/* roulang page: index */
:root {
            --primary: #0F1F3D;
            --primary-deep: #0A1428;
            --primary-mid: #1B3A6B;
            --accent: #00D68F;
            --accent-deep: #00B878;
            --highlight: #FF6B35;
            --highlight-soft: #FF8A5C;
            --surface: #FFFFFF;
            --surface-alt: #F4F7FB;
            --surface-dark: #0E1B30;
            --text: #1A2A3D;
            --text-strong: #0D1B2A;
            --text-weak: #5C6B7A;
            --text-muted: #8B98A8;
            --border: #E2E9F2;
            --border-strong: #C9D6E5;
            --shadow-sm: 0 2px 8px rgba(10, 20, 40, 0.06);
            --shadow-md: 0 8px 28px rgba(10, 20, 40, 0.1);
            --shadow-lg: 0 18px 50px rgba(10, 20, 40, 0.16);
            --radius-sm: 8px;
            --radius-md: 14px;
            --radius-lg: 22px;
            --radius-xl: 32px;
            --radius-full: 999px;
            --space-xs: 0.5rem;
            --space-sm: 1rem;
            --space-md: 1.75rem;
            --space-lg: 3rem;
            --space-xl: 4.5rem;
            --space-xxl: 6rem;
            --font-family: "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", "Noto Sans CJK SC", "Helvetica Neue", Arial, sans-serif;
            --transition: 0.25s cubic-bezier(0.22, 0.61, 0.36, 1);
            --transition-slow: 0.45s cubic-bezier(0.22, 0.61, 0.36, 1);
        }

        *,
        *::before,
        *::after {
            box-sizing: border-box;
            margin: 0;
            padding: 0;
        }

        html {
            scroll-behavior: smooth;
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
        }

        body {
            font-family: var(--font-family);
            font-size: 16px;
            line-height: 1.7;
            color: var(--text);
            background: var(--surface);
            overflow-x: hidden;
        }

        img {
            max-width: 100%;
            height: auto;
            display: block;
            border: 0;
        }

        a {
            color: var(--primary-mid);
            text-decoration: none;
            transition: color var(--transition);
        }

        a:hover,
        a:focus {
            color: var(--accent-deep);
            text-decoration: none;
        }

        a:focus-visible,
        button:focus-visible,
        input:focus-visible,
        select:focus-visible,
        textarea:focus-visible {
            outline: 3px solid rgba(0, 214, 143, 0.5);
            outline-offset: 2px;
            border-radius: 4px;
        }

        button {
            cursor: pointer;
            font-family: inherit;
            font-size: inherit;
            border: none;
            background: none;
        }

        h1, h2, h3, h4, h5, h6 {
            font-weight: 700;
            line-height: 1.3;
            color: var(--text-strong);
            margin: 0 0 var(--space-sm);
        }

        h1 { font-size: clamp(2.2rem, 5.5vw, 3.8rem); letter-spacing: -0.02em; }
        h2 { font-size: clamp(1.6rem, 3.5vw, 2.4rem); letter-spacing: -0.015em; }
        h3 { font-size: clamp(1.15rem, 2.2vw, 1.45rem); }
        h4 { font-size: 1.1rem; }

        p { margin-bottom: 1rem; color: var(--text); }

        ::selection {
            background: var(--accent);
            color: var(--primary-deep);
        }

        .container {
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 var(--space-md);
        }

        .container-narrow {
            max-width: 860px;
            margin: 0 auto;
            padding: 0 var(--space-md);
        }

        .section {
            padding: var(--space-xl) 0;
            position: relative;
        }

        .section--tight { padding: var(--space-lg) 0; }
        .section--alt { background: var(--surface-alt); }
        .section--dark { background: var(--surface-dark); color: #E8EDF5; }
        .section--dark h2, .section--dark h3 { color: #FFFFFF; }
        .section--dark p { color: #B8C5D8; }

        .section-label {
            display: inline-flex;
            align-items: center;
            gap: 0.5rem;
            font-size: 0.82rem;
            font-weight: 600;
            letter-spacing: 0.06em;
            text-transform: uppercase;
            color: var(--accent-deep);
            background: rgba(0, 214, 143, 0.1);
            padding: 0.4rem 1rem;
            border-radius: var(--radius-full);
            margin-bottom: var(--space-sm);
        }

        .section-title {
            font-size: clamp(1.7rem, 3.8vw, 2.5rem);
            font-weight: 800;
            margin-bottom: var(--space-sm);
            letter-spacing: -0.02em;
        }

        .section-desc {
            font-size: 1.05rem;
            color: var(--text-weak);
            max-width: 680px;
            margin-bottom: var(--space-lg);
            line-height: 1.8;
        }

        /* ============ Header / Nav ============ */
        .site-header {
            position: fixed;
            top: 0;
            left: 0;
            right: 0;
            z-index: 1000;
            padding: 0.9rem 0;
            transition: all var(--transition);
        }

        .site-header.scrolled {
            background: rgba(255, 255, 255, 0.95);
            backdrop-filter: blur(16px);
            -webkit-backdrop-filter: blur(16px);
            box-shadow: 0 4px 24px rgba(10, 20, 40, 0.1);
            padding: 0.5rem 0;
        }

        .nav-capsule {
            display: flex;
            align-items: center;
            justify-content: space-between;
            background: rgba(255, 255, 255, 0.88);
            backdrop-filter: blur(14px);
            -webkit-backdrop-filter: blur(14px);
            border: 1px solid rgba(255, 255, 255, 0.6);
            border-radius: var(--radius-full);
            padding: 0.45rem 0.6rem 0.45rem 1.4rem;
            box-shadow: var(--shadow-md);
            transition: all var(--transition);
        }

        .nav-logo {
            display: flex;
            align-items: center;
            gap: 0.6rem;
            font-weight: 800;
            font-size: 1.2rem;
            color: var(--text-strong);
            white-space: nowrap;
            letter-spacing: -0.01em;
        }

        .nav-logo:hover, .nav-logo:focus {
            color: var(--text-strong);
        }

        .nav-logo-icon {
            width: 38px;
            height: 38px;
            background: linear-gradient(135deg, var(--accent), #00A8CC);
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            color: var(--primary-deep);
            font-size: 0.95rem;
            flex-shrink: 0;
        }

        .nav-links {
            display: flex;
            align-items: center;
            gap: 0.25rem;
            list-style: none;
            margin: 0;
            padding: 0;
        }

        .nav-links li {
            margin: 0;
        }

        .nav-links a {
            display: inline-flex;
            align-items: center;
            gap: 0.35rem;
            padding: 0.55rem 1rem;
            border-radius: var(--radius-full);
            font-weight: 600;
            font-size: 0.9rem;
            color: var(--text);
            white-space: nowrap;
            transition: all var(--transition);
        }

        .nav-links a:hover {
            background: rgba(0, 214, 143, 0.12);
            color: var(--accent-deep);
        }

        .nav-links a.active {
            background: var(--primary);
            color: #FFFFFF;
            box-shadow: 0 4px 14px rgba(15, 31, 61, 0.3);
        }

        .nav-cta {
            display: inline-flex;
            align-items: center;
            gap: 0.5rem;
            background: var(--highlight);
            color: #FFFFFF !important;
            padding: 0.6rem 1.4rem;
            border-radius: var(--radius-full);
            font-weight: 700;
            font-size: 0.88rem;
            box-shadow: 0 4px 16px rgba(255, 107, 53, 0.35);
            transition: all var(--transition);
        }

        .nav-cta:hover {
            background: var(--highlight-soft);
            transform: translateY(-2px);
            box-shadow: 0 8px 24px rgba(255, 107, 53, 0.45);
        }

        .nav-toggle {
            display: none;
            width: 44px;
            height: 44px;
            border-radius: 50%;
            align-items: center;
            justify-content: center;
            color: var(--text-strong);
            font-size: 1.3rem;
            transition: all var(--transition);
        }

        .nav-toggle:hover {
            background: rgba(0, 214, 143, 0.12);
        }

        /* ============ Buttons ============ */
        .btn {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 0.55rem;
            padding: 0.85rem 1.8rem;
            border-radius: var(--radius-full);
            font-weight: 700;
            font-size: 0.95rem;
            line-height: 1.4;
            transition: all var(--transition);
            border: 2px solid transparent;
            text-align: center;
            text-decoration: none;
            cursor: pointer;
            white-space: nowrap;
        }

        .btn:hover {
            text-decoration: none;
            transform: translateY(-2px);
        }

        .btn--primary {
            background: var(--highlight);
            color: #FFFFFF !important;
            border-color: var(--highlight);
            box-shadow: 0 6px 20px rgba(255, 107, 53, 0.3);
        }

        .btn--primary:hover {
            background: var(--highlight-soft);
            border-color: var(--highlight-soft);
            box-shadow: 0 10px 30px rgba(255, 107, 53, 0.42);
        }

        .btn--accent {
            background: var(--accent);
            color: var(--primary-deep) !important;
            border-color: var(--accent);
            box-shadow: 0 6px 20px rgba(0, 214, 143, 0.28);
        }

        .btn--accent:hover {
            background: var(--accent-deep);
            border-color: var(--accent-deep);
            color: #FFFFFF !important;
            box-shadow: 0 10px 30px rgba(0, 184, 120, 0.35);
        }

        .btn--ghost {
            background: transparent;
            color: var(--text-strong) !important;
            border-color: var(--border-strong);
        }

        .btn--ghost:hover {
            border-color: var(--text-strong);
            background: rgba(15, 31, 61, 0.04);
        }

        .btn--ghost-light {
            background: transparent;
            color: #FFFFFF !important;
            border-color: rgba(255, 255, 255, 0.4);
        }

        .btn--ghost-light:hover {
            border-color: #FFFFFF;
            background: rgba(255, 255, 255, 0.1);
        }

        .btn--sm {
            padding: 0.55rem 1.2rem;
            font-size: 0.85rem;
        }

        .btn--lg {
            padding: 1.05rem 2.4rem;
            font-size: 1.05rem;
        }

        /* ============ Badges ============ */
        .badge {
            display: inline-flex;
            align-items: center;
            gap: 0.3rem;
            padding: 0.3rem 0.8rem;
            border-radius: var(--radius-full);
            font-size: 0.75rem;
            font-weight: 700;
            letter-spacing: 0.02em;
            line-height: 1.5;
        }

        .badge--green { background: rgba(0, 214, 143, 0.14); color: #008B5D; }
        .badge--blue { background: rgba(27, 58, 107, 0.12); color: #1B3A6B; }
        .badge--orange { background: rgba(255, 107, 53, 0.14); color: #D9532B; }
        .badge--dark { background: rgba(15, 31, 61, 0.08); color: #0F1F3D; }
        .badge--white { background: rgba(255,255,255,0.18); color: #FFFFFF; }

        /* ============ Cards ============ */
        .card {
            background: var(--surface);
            border-radius: var(--radius-md);
            border: 1px solid var(--border);
            box-shadow: var(--shadow-sm);
            transition: all var(--transition);
            overflow: hidden;
            position: relative;
        }

        .card:hover {
            box-shadow: var(--shadow-md);
            transform: translateY(-4px);
            border-color: var(--border-strong);
        }

        .card__body {
            padding: var(--space-md);
        }

        .card__icon {
            width: 52px;
            height: 52px;
            border-radius: var(--radius-sm);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1.3rem;
            margin-bottom: var(--space-sm);
            background: rgba(0, 214, 143, 0.12);
            color: var(--accent-deep);
        }

        .card__icon--blue { background: rgba(27, 58, 107, 0.1); color: #1B3A6B; }
        .card__icon--orange { background: rgba(255, 107, 53, 0.12); color: #D9532B; }
        .card__icon--dark { background: rgba(15, 31, 61, 0.08); color: #0F1F3D; }

        /* ============ Hero ============ */
        .hero {
            min-height: 92vh;
            display: flex;
            align-items: center;
            position: relative;
            padding: 7rem 0 4rem;
            background: var(--primary-deep);
            overflow: hidden;
        }

        .hero::before {
            content: "";
            position: absolute;
            inset: 0;
            background-image: url('/assets/images/backpic/back-1.webp');
            background-size: cover;
            background-position: center;
            opacity: 0.35;
            z-index: 0;
        }

        .hero::after {
            content: "";
            position: absolute;
            inset: 0;
            background: linear-gradient(135deg, rgba(10, 20, 40, 0.92) 0%, rgba(10, 20, 40, 0.65) 40%, rgba(15, 31, 61, 0.55) 100%);
            z-index: 1;
        }

        .hero .container {
            position: relative;
            z-index: 2;
        }

        .hero__content {
            max-width: 720px;
        }

        .hero__title {
            font-size: clamp(2.6rem, 6.5vw, 4.2rem);
            font-weight: 900;
            color: #FFFFFF;
            margin-bottom: 1.2rem;
            letter-spacing: -0.03em;
            line-height: 1.15;
        }

        .hero__title .highlight {
            color: var(--accent);
            position: relative;
        }

        .hero__subtitle {
            font-size: clamp(1.05rem, 2vw, 1.2rem);
            color: #C5D2E4;
            line-height: 1.85;
            margin-bottom: 1.8rem;
            max-width: 600px;
        }

        .hero__actions {
            display: flex;
            flex-wrap: wrap;
            gap: 1rem;
            margin-bottom: 2rem;
        }

        .hero__stats {
            display: flex;
            flex-wrap: wrap;
            gap: 2rem;
            padding-top: 1.5rem;
            border-top: 1px solid rgba(255, 255, 255, 0.15);
        }

        .hero__stat-num {
            font-size: 2rem;
            font-weight: 800;
            color: var(--accent);
            display: block;
            line-height: 1.2;
        }

        .hero__stat-label {
            font-size: 0.82rem;
            color: #94A5B8;
            letter-spacing: 0.04em;
        }

        .hero__panel {
            background: rgba(255, 255, 255, 0.06);
            backdrop-filter: blur(20px);
            -webkit-backdrop-filter: blur(20px);
            border: 1px solid rgba(255, 255, 255, 0.14);
            border-radius: var(--radius-lg);
            padding: var(--space-md);
            position: relative;
            z-index: 2;
        }

        .hero__panel-title {
            color: #FFFFFF;
            font-weight: 700;
            font-size: 1.05rem;
            margin-bottom: 0.8rem;
            display: flex;
            align-items: center;
            gap: 0.5rem;
        }

        .hero__benefit-list {
            list-style: none;
            margin: 0;
            padding: 0;
        }

        .hero__benefit-list li {
            display: flex;
            align-items: center;
            gap: 0.6rem;
            padding: 0.55rem 0;
            color: #D5E0EC;
            font-size: 0.92rem;
            border-bottom: 1px solid rgba(255,255,255,0.08);
        }

        .hero__benefit-list li:last-child {
            border-bottom: none;
        }

        .hero__benefit-list i {
            color: var(--accent);
            font-size: 0.85rem;
        }

        /* ============ Features / Benefits ============ */
        .benefit-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
            gap: var(--space-md);
        }

        /* ============ Eligibility ============ */
        .eligibility-list {
            list-style: none;
            margin: 0;
            padding: 0;
        }

        .eligibility-list li {
            display: flex;
            align-items: flex-start;
            gap: 0.8rem;
            padding: 0.9rem 0;
            border-bottom: 1px solid var(--border);
            font-size: 0.98rem;
            line-height: 1.65;
        }

        .eligibility-list li:last-child {
            border-bottom: none;
        }

        .eligibility-list .num {
            flex-shrink: 0;
            width: 30px;
            height: 30px;
            background: var(--primary);
            color: #FFFFFF;
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 0.82rem;
            font-weight: 700;
            margin-top: 0.15rem;
        }

        /* ============ Stats ============ */
        .stats-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
            gap: var(--space-md);
        }

        .stat-card {
            background: rgba(255, 255, 255, 0.06);
            border: 1px solid rgba(255, 255, 255, 0.1);
            border-radius: var(--radius-md);
            padding: var(--space-md);
            text-align: center;
            transition: all var(--transition);
        }

        .stat-card:hover {
            background: rgba(255, 255, 255, 0.1);
            transform: translateY(-4px);
        }

        .stat-card__num {
            font-size: 2.6rem;
            font-weight: 900;
            color: var(--accent);
            line-height: 1.1;
            letter-spacing: -0.02em;
            display: block;
        }

        .stat-card__unit {
            font-size: 1rem;
            color: var(--accent-deep);
            font-weight: 700;
        }

        .stat-card__label {
            display: block;
            margin-top: 0.45rem;
            color: #B8C5D8;
            font-size: 0.9rem;
            font-weight: 500;
        }

        /* ============ Hot List ============ */
        .hot-list {
            list-style: none;
            margin: 0;
            padding: 0;
            counter-reset: hot-item;
        }

        .hot-list li {
            display: flex;
            align-items: center;
            gap: 1rem;
            padding: 0.85rem 1rem;
            border-radius: var(--radius-sm);
            background: var(--surface);
            border: 1px solid var(--border);
            margin-bottom: 0.6rem;
            transition: all var(--transition);
            counter-increment: hot-item;
            position: relative;
        }

        .hot-list li:hover {
            border-color: var(--accent);
            box-shadow: var(--shadow-sm);
            transform: translateX(4px);
        }

        .hot-list li::before {
            content: counter(hot-item);
            font-size: 1.4rem;
            font-weight: 900;
            color: var(--border-strong);
            min-width: 36px;
            text-align: center;
            letter-spacing: -0.03em;
        }

        .hot-list li:nth-child(1)::before { color: #F59E0B; }
        .hot-list li:nth-child(2)::before { color: #94A3B8; }
        .hot-list li:nth-child(3)::before { color: #D97706; }

        .hot-list__info {
            flex: 1;
            min-width: 0;
        }

        .hot-list__title {
            font-weight: 700;
            font-size: 0.95rem;
            color: var(--text-strong);
            margin-bottom: 0.15rem;
        }

        .hot-list__desc {
            font-size: 0.82rem;
            color: var(--text-weak);
            margin: 0;
        }

        /* ============ News ============ */
        .news-list {
            list-style: none;
            margin: 0;
            padding: 0;
        }

        .news-list li {
            display: flex;
            align-items: center;
            gap: 1rem;
            padding: 1.1rem 0;
            border-bottom: 1px solid var(--border);
            transition: all var(--transition);
        }

        .news-list li:first-child {
            padding-top: 0;
        }

        .news-list li:last-child {
            border-bottom: none;
            padding-bottom: 0;
        }

        .news-list__date {
            flex-shrink: 0;
            text-align: center;
            background: var(--surface-alt);
            border-radius: var(--radius-sm);
            padding: 0.5rem 0.8rem;
            font-weight: 700;
            line-height: 1.2;
            min-width: 62px;
        }

        .news-list__date .day {
            font-size: 1.3rem;
            color: var(--primary);
            display: block;
        }

        .news-list__date .month {
            font-size: 0.7rem;
            color: var(--text-weak);
            letter-spacing: 0.06em;
            text-transform: uppercase;
        }

        .news-list__content {
            flex: 1;
            min-width: 0;
        }

        .news-list__title {
            font-weight: 700;
            font-size: 0.98rem;
            color: var(--text-strong);
            margin-bottom: 0.2rem;
            display: block;
            transition: color var(--transition);
        }

        .news-list__title:hover {
            color: var(--accent-deep);
        }

        .news-list__summary {
            font-size: 0.85rem;
            color: var(--text-weak);
            margin: 0;
            line-height: 1.6;
        }

        .news-list__btn {
            flex-shrink: 0;
        }

        /* ============ Reviews ============ */
        .review-card {
            background: var(--surface);
            border: 1px solid var(--border);
            border-radius: var(--radius-md);
            padding: var(--space-md);
            transition: all var(--transition);
            height: 100%;
        }

        .review-card:hover {
            box-shadow: var(--shadow-md);
            transform: translateY(-3px);
        }

        .review-card__stars {
            color: #F59E0B;
            font-size: 0.85rem;
            margin-bottom: 0.6rem;
            letter-spacing: 0.1em;
        }

        .review-card__text {
            font-size: 0.92rem;
            line-height: 1.75;
            color: var(--text);
            margin-bottom: 0.8rem;
        }

        .review-card__author {
            display: flex;
            align-items: center;
            gap: 0.6rem;
            font-size: 0.85rem;
            color: var(--text-weak);
            font-weight: 600;
        }

        .review-card__avatar {
            width: 36px;
            height: 36px;
            border-radius: 50%;
            background: var(--primary);
            color: #FFFFFF;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 0.8rem;
            font-weight: 700;
            flex-shrink: 0;
        }

        /* ============ Guarantee ============ */
        .guarantee-strip {
            display: flex;
            flex-wrap: wrap;
            gap: 1.2rem 2rem;
            align-items: center;
            justify-content: space-between;
        }

        .guarantee-item {
            display: flex;
            align-items: center;
            gap: 0.7rem;
            font-weight: 600;
            font-size: 0.95rem;
            color: var(--text-strong);
        }

        .guarantee-item i {
            font-size: 1.4rem;
            color: var(--accent);
        }

        /* ============ Topic Cards ============ */
        .topic-grid {
            display: grid;
            grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
            gap: var(--space-md);
        }

        .topic-card {
            background: var(--surface);
            border-radius: var(--radius-md);
            overflow: hidden;
            border: 1px solid var(--border);
            box-shadow: var(--shadow-sm);
            transition: all var(--transition);
            display: flex;
            flex-direction: column;
        }

        .topic-card:hover {
            box-shadow: var(--shadow-lg);
            transform: translateY(-6px);
            border-color: var(--border-strong);
        }

        .topic-card__img {
            height: 180px;
            overflow: hidden;
            background: var(--surface-alt);
        }

        .topic-card__img img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform 0.5s ease;
        }

        .topic-card:hover .topic-card__img img {
            transform: scale(1.05);
        }

        .topic-card__body {
            padding: var(--space-md);
            flex: 1;
            display: flex;
            flex-direction: column;
        }

        .topic-card__title {
            font-weight: 700;
            font-size: 1.05rem;
            color: var(--text-strong);
            margin-bottom: 0.4rem;
        }

        .topic-card__desc {
            font-size: 0.88rem;
            color: var(--text-weak);
            line-height: 1.7;
            margin-bottom: 1rem;
            flex: 1;
        }

        .topic-card__link {
            font-weight: 700;
            font-size: 0.88rem;
            color: var(--accent-deep);
            display: inline-flex;
            align-items: center;
            gap: 0.4rem;
            transition: all var(--transition);
        }

        .topic-card__link:hover {
            color: var(--primary-mid);
            gap: 0.6rem;
        }

        /* ============ Brand Intro ============ */
        .brand-intro {
            background: var(--surface-alt);
            border-radius: var(--radius-lg);
            padding: var(--space-lg);
            border-left: 6px solid var(--accent);
            position: relative;
            overflow: hidden;
        }

        .brand-intro::after {
            content: "";
            position: absolute;
            top: -40px;
            right: -40px;
            width: 180px;
            height: 180px;
            background: rgba(0, 214, 143, 0.08);
            border-radius: 50%;
        }

        .brand-intro h3 {
            position: relative;
            z-index: 1;
            font-size: 1.4rem;
            margin-bottom: 0.8rem;
        }

        .brand-intro p {
            position: relative;
            z-index: 1;
            font-size: 0.98rem;
            line-height: 1.85;
            color: var(--text);
            margin-bottom: 0.6rem;
        }

        /* ============ Form ============ */
        .apply-form-wrap {
            background: var(--surface);
            border-radius: var(--radius-lg);
            padding: var(--space-lg);
            box-shadow: var(--shadow-lg);
            border: 1px solid var(--border);
        }

        .form-group {
            margin-bottom: 1.1rem;
        }

        .form-group label {
            display: block;
            font-weight: 600;
            font-size: 0.9rem;
            color: var(--text-strong);
            margin-bottom: 0.4rem;
        }

        .form-group input,
        .form-group select,
        .form-group textarea {
            width: 100%;
            padding: 0.8rem 1rem;
            border: 2px solid var(--border);
            border-radius: var(--radius-sm);
            font-family: inherit;
            font-size: 0.95rem;
            color: var(--text);
            background: var(--surface-alt);
            transition: all var(--transition);
            line-height: 1.5;
        }

        .form-group input:focus,
        .form-group select:focus,
        .form-group textarea:focus {
            border-color: var(--accent);
            background: var(--surface);
            outline: none;
            box-shadow: 0 0 0 3px rgba(0, 214, 143, 0.15);
        }

        .form-group textarea {
            min-height: 120px;
            resize: vertical;
        }

        /* ============ FAQ ============ */
        .faq-list {
            max-width: 800px;
            margin: 0 auto;
        }

        .faq-item {
            background: var(--surface);
            border: 1px solid var(--border);
            border-radius: var(--radius-sm);
            margin-bottom: 0.7rem;
            overflow: hidden;
            transition: all var(--transition);
        }

        .faq-item:hover {
            border-color: var(--border-strong);
            box-shadow: var(--shadow-sm);
        }

        .faq-item summary {
            padding: 1.1rem 1.3rem;
            font-weight: 700;
            font-size: 0.95rem;
            color: var(--text-strong);
            cursor: pointer;
            list-style: none;
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 1rem;
            user-select: none;
            transition: all var(--transition);
        }

        .faq-item summary::-webkit-details-marker {
            display: none;
        }

        .faq-item summary::after {
            content: "\f078";
            font-family: "Font Awesome 6 Free";
            font-weight: 900;
            font-size: 0.8rem;
            color: var(--text-muted);
            transition: transform var(--transition);
            flex-shrink: 0;
        }

        .faq-item[open] summary::after {
            transform: rotate(180deg);
        }

        .faq-item summary:hover {
            color: var(--accent-deep);
            background: rgba(0, 214, 143, 0.04);
        }

        .faq-item__answer {
            padding: 0 1.3rem 1.2rem;
            font-size: 0.92rem;
            line-height: 1.85;
            color: var(--text-weak);
        }

        /* ============ CTA Banner ============ */
        .cta-banner {
            background: linear-gradient(135deg, var(--primary-deep) 0%, var(--primary-mid) 100%);
            border-radius: var(--radius-lg);
            padding: var(--space-xl) var(--space-lg);
            text-align: center;
            position: relative;
            overflow: hidden;
        }

        .cta-banner::before {
            content: "";
            position: absolute;
            inset: 0;
            background-image: url('/assets/images/backpic/back-2.webp');
            background-size: cover;
            background-position: center;
            opacity: 0.18;
        }

        .cta-banner > * {
            position: relative;
            z-index: 1;
        }

        .cta-banner h2 {
            color: #FFFFFF;
            font-size: clamp(1.8rem, 3.5vw, 2.4rem);
            margin-bottom: 0.8rem;
        }

        .cta-banner p {
            color: #C5D2E4;
            font-size: 1.05rem;
            max-width: 600px;
            margin: 0 auto 1.5rem;
            line-height: 1.8;
        }

        /* ============ Footer ============ */
        .site-footer {
            background: var(--primary-deep);
            color: #94A5B8;
            padding: var(--space-xl) 0 0;
        }

        .footer-grid {
            display: grid;
            grid-template-columns: 2fr 1fr 1fr 1.2fr;
            gap: 2.5rem;
            padding-bottom: var(--space-lg);
        }

        .footer-brand {
            font-size: 1.4rem;
            font-weight: 800;
            color: #FFFFFF;
            display: flex;
            align-items: center;
            gap: 0.6rem;
            margin-bottom: 0.8rem;
        }

        .footer-desc {
            font-size: 0.88rem;
            line-height: 1.8;
            color: #94A5B8;
            max-width: 320px;
        }

        .footer-col h4 {
            color: #FFFFFF;
            font-size: 0.95rem;
            font-weight: 700;
            margin-bottom: 1rem;
            letter-spacing: 0.02em;
        }

        .footer-col ul {
            list-style: none;
            margin: 0;
            padding: 0;
        }

        .footer-col ul li {
            margin-bottom: 0.5rem;
        }

        .footer-col ul a {
            color: #94A5B8;
            font-size: 0.88rem;
            transition: all var(--transition);
            display: inline-flex;
            align-items: center;
            gap: 0.3rem;
        }

        .footer-col ul a:hover {
            color: var(--accent);
            transform: translateX(3px);
        }

        .footer-bottom {
            border-top: 1px solid rgba(255, 255, 255, 0.1);
            padding: 1.5rem 0;
            display: flex;
            flex-wrap: wrap;
            align-items: center;
            justify-content: space-between;
            gap: 1rem;
            font-size: 0.82rem;
            color: #6B7A8C;
        }

        .footer-bottom a {
            color: #94A5B8;
            font-size: 0.82rem;
            transition: color var(--transition);
        }

        .footer-bottom a:hover {
            color: var(--accent);
        }

        .footer-links {
            display: flex;
            flex-wrap: wrap;
            gap: 1.2rem;
        }

        /* ============ Responsive ============ */
        @media (max-width: 1024px) {
            .container {
                padding: 0 var(--space-sm);
            }

            .section {
                padding: var(--space-lg) 0;
            }

            .footer-grid {
                grid-template-columns: 2fr 1fr 1fr;
                gap: 2rem;
            }
        }

        @media (max-width: 768px) {
            h1 { font-size: clamp(1.9rem, 7vw, 2.6rem); }
            h2 { font-size: clamp(1.4rem, 4.5vw, 1.9rem); }

            .nav-capsule {
                padding: 0.4rem 0.5rem 0.4rem 1rem;
                flex-wrap: wrap;
            }

            .nav-logo {
                font-size: 1rem;
            }

            .nav-logo-icon {
                width: 32px;
                height: 32px;
                font-size: 0.8rem;
            }

            .nav-toggle {
                display: flex;
            }

            .nav-links {
                display: none;
                width: 100%;
                flex-direction: column;
                gap: 0.15rem;
                padding: 0.6rem 0 0.4rem;
                border-top: 1px solid var(--border);
                margin-top: 0.4rem;
                max-height: 0;
                overflow: hidden;
                transition: max-height var(--transition-slow);
            }

            .nav-links.open {
                display: flex;
                max-height: 520px;
            }

            .nav-links a {
                width: 100%;
                justify-content: flex-start;
                padding: 0.7rem 1rem;
                font-size: 0.88rem;
            }

            .nav-cta {
                width: 100%;
                justify-content: center;
                margin-top: 0.4rem;
            }

            .hero {
                min-height: auto;
                padding: 6rem 0 3rem;
            }

            .hero__stats {
                gap: 1.2rem;
            }

            .hero__stat-num {
                font-size: 1.5rem;
            }

            .benefit-grid,
            .stats-grid,
            .topic-grid {
                grid-template-columns: 1fr;
            }

            .news-list li {
                flex-wrap: wrap;
            }

            .news-list__btn {
                width: 100%;
                margin-top: 0.5rem;
            }

            .footer-grid {
                grid-template-columns: 1fr;
                gap: 1.5rem;
            }

            .footer-bottom {
                flex-direction: column;
                text-align: center;
            }

            .guarantee-strip {
                flex-direction: column;
                align-items: flex-start;
            }

            .cta-banner {
                padding: var(--space-lg) var(--space-sm);
            }

            .apply-form-wrap {
                padding: var(--space-md);
            }

            .hot-list li {
                flex-wrap: wrap;
            }

            .hot-list__desc {
                width: 100%;
            }
        }

        @media (max-width: 520px) {
            body {
                font-size: 15px;
            }

            .section {
                padding: var(--space-md) 0;
            }

            .hero__actions {
                flex-direction: column;
            }

            .hero__actions .btn {
                width: 100%;
            }

            .hero__stats {
                flex-direction: column;
                gap: 0.8rem;
            }

            .btn {
                padding: 0.75rem 1.4rem;
                font-size: 0.88rem;
            }

            .btn--lg {
                padding: 0.9rem 1.8rem;
                font-size: 0.95rem;
            }

            .card__body {
                padding: var(--space-sm);
            }

            .topic-grid {
                grid-template-columns: 1fr;
            }

            .topic-card__img {
                height: 150px;
            }

            .brand-intro {
                padding: var(--space-md);
            }

            .site-footer {
                padding-top: var(--space-lg);
            }

            .footer-links {
                gap: 0.8rem;
                flex-wrap: wrap;
                justify-content: center;
            }
        }

/* roulang page: category2 */
:root {
      --primary: #0F1F3D;
      --primary-deep: #0A1428;
      --primary-mid: #1B3A6B;
      --accent: #00D68F;
      --accent-deep: #00B878;
      --highlight: #FF6B35;
      --highlight-soft: #FF8A5C;
      --surface: #FFFFFF;
      --surface-alt: #F4F7FB;
      --surface-dark: #0E1B30;
      --text: #1A2A3D;
      --text-strong: #0D1B2A;
      --text-weak: #5C6B7A;
      --text-muted: #8B98A8;
      --border: #E2E9F2;
      --border-strong: #C9D6E5;
      --shadow-sm: 0 2px 8px rgba(10, 20, 40, 0.06);
      --shadow-md: 0 8px 28px rgba(10, 20, 40, 0.1);
      --shadow-lg: 0 18px 50px rgba(10, 20, 40, 0.16);
      --radius-sm: 8px;
      --radius-md: 14px;
      --radius-lg: 22px;
      --radius-xl: 32px;
      --radius-full: 999px;
      --space-xs: 0.5rem;
      --space-sm: 1rem;
      --space-md: 1.75rem;
      --space-lg: 3rem;
      --space-xl: 4.5rem;
      --space-xxl: 6rem;
      --font-family: "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", "Noto Sans CJK SC", "Helvetica Neue", Arial, sans-serif;
      --transition: 0.25s cubic-bezier(0.22, 0.61, 0.36, 1);
      --transition-slow: 0.45s cubic-bezier(0.22, 0.61, 0.36, 1);
    }

    html {
      scroll-behavior: smooth;
      -webkit-font-smoothing: antialiased;
      -moz-osx-font-smoothing: grayscale;
    }

    body {
      font-family: var(--font-family);
      font-size: 16px;
      line-height: 1.7;
      color: var(--text);
      background: var(--surface);
      overflow-x: hidden;
    }

    img {
      max-width: 100%;
      height: auto;
      display: block;
      border: 0;
    }

    a {
      color: var(--primary-mid);
      text-decoration: none;
      transition: color var(--transition);
    }

    a:hover,
    a:focus {
      color: var(--accent-deep);
      text-decoration: none;
    }

    a:focus-visible,
    button:focus-visible,
    input:focus-visible,
    select:focus-visible,
    textarea:focus-visible {
      outline: 3px solid rgba(0, 214, 143, 0.5);
      outline-offset: 2px;
      border-radius: 4px;
    }

    button {
      cursor: pointer;
      font-family: inherit;
      font-size: inherit;
      border: none;
      background: none;
    }

    .container {
      max-width: 1200px;
      margin: 0 auto;
      padding: 0 var(--space-md);
    }

    .container-narrow {
      max-width: 860px;
      margin: 0 auto;
      padding: 0 var(--space-md);
    }

    .section {
      padding: var(--space-xl) 0;
      position: relative;
    }

    .section--tight { padding: var(--space-lg) 0; }
    .section--alt { background: var(--surface-alt); }
    .section--dark { background: var(--surface-dark); color: #E8EDF5; }
    .section--dark h2, .section--dark h3 { color: #FFFFFF; }
    .section--dark p { color: #B8C5D8; }

    .section-label {
      display: inline-flex;
      align-items: center;
      gap: 0.5rem;
      font-size: 0.82rem;
      font-weight: 600;
      letter-spacing: 0.06em;
      text-transform: uppercase;
      color: var(--accent-deep);
      background: rgba(0, 214, 143, 0.1);
      padding: 0.4rem 1rem;
      border-radius: var(--radius-full);
      margin-bottom: var(--space-sm);
    }

    .section-title {
      font-size: clamp(1.7rem, 3.8vw, 2.5rem);
      font-weight: 800;
      margin-bottom: var(--space-sm);
      letter-spacing: -0.02em;
      color: var(--text-strong);
      line-height: 1.35;
    }

    .section-desc {
      font-size: 1.05rem;
      color: var(--text-weak);
      max-width: 680px;
      margin-bottom: var(--space-lg);
      line-height: 1.8;
    }

    /* Header / Nav */
    .site-header {
      position: fixed;
      top: 0;
      left: 0;
      right: 0;
      z-index: 1000;
      padding: 0.9rem 0;
      transition: all var(--transition);
    }

    .site-header.scrolled {
      background: rgba(255, 255, 255, 0.95);
      backdrop-filter: blur(16px);
      -webkit-backdrop-filter: blur(16px);
      box-shadow: 0 4px 24px rgba(10, 20, 40, 0.1);
      padding: 0.5rem 0;
    }

    .nav-capsule {
      display: flex;
      align-items: center;
      justify-content: space-between;
      background: rgba(255, 255, 255, 0.88);
      backdrop-filter: blur(14px);
      -webkit-backdrop-filter: blur(14px);
      border: 1px solid rgba(255, 255, 255, 0.6);
      border-radius: var(--radius-full);
      padding: 0.45rem 0.6rem 0.45rem 1.4rem;
      box-shadow: var(--shadow-md);
      transition: all var(--transition);
    }

    .nav-logo {
      display: flex;
      align-items: center;
      gap: 0.6rem;
      font-weight: 800;
      font-size: 1.2rem;
      color: var(--text-strong);
      white-space: nowrap;
      letter-spacing: -0.01em;
    }

    .nav-logo:hover,
    .nav-logo:focus {
      color: var(--text-strong);
    }

    .nav-logo-icon {
      width: 38px;
      height: 38px;
      background: linear-gradient(135deg, var(--accent), #00A8CC);
      border-radius: 50%;
      display: flex;
      align-items: center;
      justify-content: center;
      font-size: 1rem;
      color: var(--primary-deep);
      flex-shrink: 0;
    }

    .nav-toggle {
      display: none;
      width: 42px;
      height: 42px;
      border-radius: 50%;
      background: var(--surface);
      border: 1px solid var(--border);
      align-items: center;
      justify-content: center;
      font-size: 1.1rem;
      color: var(--text-strong);
      transition: all var(--transition);
    }

    .nav-toggle:hover {
      background: var(--surface-alt);
      border-color: var(--border-strong);
    }

    .nav-links {
      display: flex;
      align-items: center;
      gap: 0.25rem;
      list-style: none;
      margin: 0;
      padding: 0;
      flex-wrap: wrap;
    }

    .nav-links li {
      margin: 0;
    }

    .nav-links a {
      display: flex;
      align-items: center;
      gap: 0.45rem;
      padding: 0.5rem 1rem;
      border-radius: var(--radius-full);
      font-size: 0.92rem;
      font-weight: 600;
      color: var(--text-weak);
      transition: all var(--transition);
      white-space: nowrap;
    }

    .nav-links a:hover {
      background: var(--surface-alt);
      color: var(--text-strong);
    }

    .nav-links a.active {
      background: var(--primary);
      color: #FFFFFF;
      box-shadow: 0 4px 14px rgba(15, 31, 61, 0.25);
    }

    .nav-links a.nav-cta {
      background: var(--accent);
      color: var(--primary-deep);
      font-weight: 700;
      padding: 0.5rem 1.25rem;
      margin-left: 0.35rem;
      box-shadow: 0 4px 14px rgba(0, 214, 143, 0.3);
    }

    .nav-links a.nav-cta:hover {
      background: var(--accent-deep);
      transform: translateY(-1px);
      box-shadow: 0 6px 18px rgba(0, 214, 143, 0.4);
      color: var(--primary-deep);
    }

    /* Page Hero */
    .page-hero {
      padding: 9rem 0 4rem;
      background: linear-gradient(165deg, var(--primary-deep) 0%, var(--primary) 45%, var(--primary-mid) 100%);
      position: relative;
      overflow: hidden;
      color: #FFFFFF;
    }

    .page-hero::before {
      content: '';
      position: absolute;
      top: -120px;
      right: -80px;
      width: 500px;
      height: 500px;
      background: radial-gradient(circle, rgba(0, 214, 143, 0.18) 0%, transparent 70%);
      pointer-events: none;
    }

    .page-hero::after {
      content: '';
      position: absolute;
      bottom: -150px;
      left: -60px;
      width: 450px;
      height: 450px;
      background: radial-gradient(circle, rgba(255, 107, 53, 0.12) 0%, transparent 70%);
      pointer-events: none;
    }

    .page-hero .container {
      position: relative;
      z-index: 1;
    }

    .page-hero h1 {
      font-size: clamp(2.1rem, 5vw, 3.2rem);
      font-weight: 800;
      color: #FFFFFF;
      letter-spacing: -0.02em;
      margin-bottom: 0.75rem;
      line-height: 1.25;
    }

    .page-hero .page-hero-desc {
      font-size: 1.1rem;
      color: #B8C5D8;
      max-width: 640px;
      line-height: 1.8;
      margin-bottom: 1.5rem;
    }

    .hero-status-bar {
      display: flex;
      flex-wrap: wrap;
      gap: 1.5rem;
      align-items: center;
      margin-bottom: 1.75rem;
    }

    .hero-status-item {
      display: flex;
      align-items: center;
      gap: 0.6rem;
      font-size: 0.9rem;
      color: #AAB8CC;
      font-weight: 500;
    }

    .hero-status-dot {
      width: 8px;
      height: 8px;
      border-radius: 50%;
      background: var(--accent);
      animation: pulseDot 2s ease-in-out infinite;
    }

    @keyframes pulseDot {
      0%, 100% { opacity: 1; transform: scale(1); }
      50% { opacity: 0.5; transform: scale(1.4); }
    }

    .hero-icon-grid {
      display: flex;
      flex-wrap: wrap;
      gap: 0.8rem;
      margin-bottom: 1.5rem;
    }

    .hero-icon-tile {
      display: inline-flex;
      align-items: center;
      gap: 0.55rem;
      background: rgba(255, 255, 255, 0.08);
      border: 1px solid rgba(255, 255, 255, 0.14);
      border-radius: var(--radius-full);
      padding: 0.45rem 1.1rem;
      font-size: 0.85rem;
      font-weight: 600;
      color: #D5E0EE;
      transition: all var(--transition);
      backdrop-filter: blur(4px);
    }

    .hero-icon-tile:hover {
      background: rgba(255, 255, 255, 0.15);
      border-color: rgba(255, 255, 255, 0.25);
      transform: translateY(-2px);
    }

    .hero-icon-tile i {
      color: var(--accent);
      font-size: 0.95rem;
    }

    /* Buttons */
    .btn {
      display: inline-flex;
      align-items: center;
      gap: 0.55rem;
      padding: 0.75rem 1.7rem;
      border-radius: var(--radius-full);
      font-weight: 700;
      font-size: 0.95rem;
      transition: all var(--transition);
      border: none;
      line-height: 1.4;
      text-align: center;
    }

    .btn-primary {
      background: var(--accent);
      color: var(--primary-deep);
      box-shadow: 0 6px 20px rgba(0, 214, 143, 0.35);
    }

    .btn-primary:hover {
      background: var(--accent-deep);
      transform: translateY(-2px);
      box-shadow: 0 10px 26px rgba(0, 214, 143, 0.42);
      color: var(--primary-deep);
    }

    .btn-outline {
      background: transparent;
      color: #FFFFFF;
      border: 2px solid rgba(255, 255, 255, 0.35);
    }

    .btn-outline:hover {
      background: rgba(255, 255, 255, 0.1);
      border-color: rgba(255, 255, 255, 0.6);
      transform: translateY(-2px);
      color: #FFFFFF;
    }

    .btn-dark {
      background: var(--primary);
      color: #FFFFFF;
      box-shadow: 0 6px 20px rgba(15, 31, 61, 0.3);
    }

    .btn-dark:hover {
      background: var(--primary-mid);
      transform: translateY(-2px);
      color: #FFFFFF;
      box-shadow: 0 10px 26px rgba(15, 31, 61, 0.38);
    }

    .btn-lg {
      padding: 0.95rem 2.2rem;
      font-size: 1.05rem;
    }

    /* Cards */
    .card {
      background: var(--surface);
      border-radius: var(--radius-lg);
      padding: 1.75rem;
      border: 1px solid var(--border);
      box-shadow: var(--shadow-sm);
      transition: all var(--transition);
      height: 100%;
    }

    .card:hover {
      transform: translateY(-4px);
      box-shadow: var(--shadow-md);
      border-color: var(--border-strong);
    }

    .card-icon {
      width: 52px;
      height: 52px;
      border-radius: var(--radius-md);
      display: flex;
      align-items: center;
      justify-content: center;
      font-size: 1.4rem;
      margin-bottom: 1rem;
      background: rgba(0, 214, 143, 0.1);
      color: var(--accent-deep);
      transition: all var(--transition);
    }

    .card:hover .card-icon {
      background: var(--accent);
      color: var(--primary-deep);
    }

    .card h3 {
      font-size: 1.2rem;
      font-weight: 700;
      color: var(--text-strong);
      margin-bottom: 0.6rem;
    }

    .card p {
      font-size: 0.95rem;
      color: var(--text-weak);
      line-height: 1.75;
      margin-bottom: 0;
    }

    /* Data Panel */
    .data-panel {
      background: var(--surface);
      border-radius: var(--radius-xl);
      border: 1px solid var(--border);
      box-shadow: var(--shadow-md);
      overflow: hidden;
    }

    .data-panel-header {
      padding: 1.5rem 2rem;
      background: var(--surface-alt);
      border-bottom: 1px solid var(--border);
      display: flex;
      align-items: center;
      justify-content: space-between;
      flex-wrap: wrap;
      gap: 1rem;
    }

    .data-panel-title {
      font-size: 1.15rem;
      font-weight: 700;
      color: var(--text-strong);
      display: flex;
      align-items: center;
      gap: 0.6rem;
    }

    .data-panel-title i {
      color: var(--accent-deep);
    }

    .data-badge {
      display: inline-flex;
      align-items: center;
      gap: 0.4rem;
      background: rgba(0, 214, 143, 0.1);
      color: var(--accent-deep);
      font-size: 0.78rem;
      font-weight: 700;
      padding: 0.35rem 0.9rem;
      border-radius: var(--radius-full);
    }

    .data-panel-body {
      padding: 1.5rem 2rem;
    }

    /* Stats Grid */
    .stats-grid-compact {
      display: grid;
      grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
      gap: 1.25rem;
    }

    .stat-box {
      background: var(--surface-alt);
      border-radius: var(--radius-md);
      padding: 1.25rem;
      text-align: center;
      border: 1px solid var(--border);
      transition: all var(--transition);
    }

    .stat-box:hover {
      border-color: var(--border-strong);
      box-shadow: var(--shadow-sm);
      transform: translateY(-3px);
    }

    .stat-box .stat-value {
      font-size: 2rem;
      font-weight: 800;
      color: var(--text-strong);
      line-height: 1.2;
    }

    .stat-box .stat-label {
      font-size: 0.85rem;
      color: var(--text-weak);
      margin-top: 0.4rem;
    }

    /* Feature Split */
    .feature-split {
      display: grid;
      grid-template-columns: 1fr 1fr;
      gap: 3rem;
      align-items: center;
    }

    .feature-visual {
      border-radius: var(--radius-xl);
      overflow: hidden;
      box-shadow: var(--shadow-lg);
      position: relative;
      min-height: 360px;
    }

    .feature-visual img {
      width: 100%;
      height: 100%;
      object-fit: cover;
      min-height: 360px;
    }

    .feature-visual::after {
      content: '';
      position: absolute;
      inset: 0;
      background: linear-gradient(120deg, rgba(15, 31, 61, 0.2) 0%, transparent 60%, rgba(0, 214, 143, 0.15) 100%);
      pointer-events: none;
    }

    .feature-list {
      list-style: none;
      margin: 1.2rem 0 0;
      padding: 0;
    }

    .feature-list li {
      display: flex;
      align-items: flex-start;
      gap: 0.8rem;
      padding: 0.7rem 0;
      font-size: 0.98rem;
      color: var(--text);
      line-height: 1.7;
      border-bottom: 1px solid var(--border);
    }

    .feature-list li:last-child {
      border-bottom: none;
    }

    .feature-list li i {
      color: var(--accent-deep);
      margin-top: 0.25rem;
      flex-shrink: 0;
    }

    /* Process */
    .process-grid {
      display: grid;
      grid-template-columns: repeat(4, 1fr);
      gap: 1.5rem;
      counter-reset: step;
    }

    .process-step {
      background: var(--surface);
      border-radius: var(--radius-lg);
      padding: 1.75rem;
      border: 1px solid var(--border);
      box-shadow: var(--shadow-sm);
      position: relative;
      transition: all var(--transition);
      overflow: hidden;
    }

    .process-step::before {
      counter-increment: step;
      content: counter(step);
      position: absolute;
      top: -0.5rem;
      right: 0.75rem;
      font-size: 4rem;
      font-weight: 800;
      color: rgba(0, 214, 143, 0.1);
      line-height: 1;
      pointer-events: none;
    }

    .process-step:hover {
      transform: translateY(-4px);
      box-shadow: var(--shadow-md);
      border-color: var(--border-strong);
    }

    .process-step h4 {
      font-size: 1.05rem;
      font-weight: 700;
      color: var(--text-strong);
      margin-bottom: 0.5rem;
    }

    .process-step p {
      font-size: 0.88rem;
      color: var(--text-weak);
      line-height: 1.7;
      margin-bottom: 0;
    }

    /* Deep Content */
    .deep-content {
      background: var(--surface-alt);
      border-radius: var(--radius-xl);
      padding: 2.5rem;
      border: 1px solid var(--border);
    }

    .deep-content h3 {
      font-size: 1.4rem;
      font-weight: 700;
      color: var(--text-strong);
      margin-bottom: 1rem;
      line-height: 1.45;
    }

    .deep-content p {
      font-size: 1rem;
      color: var(--text);
      line-height: 1.85;
      margin-bottom: 1rem;
    }

    .deep-content p:last-child {
      margin-bottom: 0;
    }

    /* FAQ */
    .faq-list {
      max-width: 860px;
      margin: 0 auto;
    }

    .faq-item {
      background: var(--surface);
      border-radius: var(--radius-md);
      border: 1px solid var(--border);
      margin-bottom: 0.8rem;
      overflow: hidden;
      transition: all var(--transition);
    }

    .faq-item:hover {
      border-color: var(--border-strong);
      box-shadow: var(--shadow-sm);
    }

    .faq-question {
      display: flex;
      align-items: center;
      justify-content: space-between;
      padding: 1.1rem 1.5rem;
      cursor: pointer;
      font-weight: 700;
      color: var(--text-strong);
      font-size: 1rem;
      gap: 1rem;
      transition: all var(--transition);
      background: none;
      width: 100%;
      text-align: left;
    }

    .faq-question:hover {
      color: var(--accent-deep);
    }

    .faq-icon {
      width: 28px;
      height: 28px;
      border-radius: 50%;
      background: var(--surface-alt);
      display: flex;
      align-items: center;
      justify-content: center;
      font-size: 0.8rem;
      color: var(--text-weak);
      transition: all var(--transition);
      flex-shrink: 0;
    }

    .faq-item.open .faq-icon {
      background: var(--accent);
      color: var(--primary-deep);
      transform: rotate(45deg);
    }

    .faq-answer {
      max-height: 0;
      overflow: hidden;
      transition: max-height 0.35s ease;
      padding: 0 1.5rem;
    }

    .faq-item.open .faq-answer {
      max-height: 400px;
      padding: 0 1.5rem 1.25rem;
    }

    .faq-answer p {
      font-size: 0.95rem;
      color: var(--text-weak);
      line-height: 1.75;
      margin-bottom: 0;
    }

    /* CTA */
    .cta-panel {
      background: linear-gradient(135deg, var(--primary-deep) 0%, var(--primary) 60%, var(--primary-mid) 100%);
      border-radius: var(--radius-xl);
      padding: 3rem;
      position: relative;
      overflow: hidden;
    }

    .cta-panel::before {
      content: '';
      position: absolute;
      top: -80px;
      right: -60px;
      width: 300px;
      height: 300px;
      background: radial-gradient(circle, rgba(0, 214, 143, 0.2) 0%, transparent 70%);
      pointer-events: none;
    }

    .cta-panel h2 {
      color: #FFFFFF;
      font-size: clamp(1.5rem, 3vw, 2rem);
      font-weight: 800;
      margin-bottom: 0.8rem;
      position: relative;
      z-index: 1;
    }

    .cta-panel p {
      color: #B8C5D8;
      font-size: 1rem;
      line-height: 1.8;
      max-width: 540px;
      margin-bottom: 1.5rem;
      position: relative;
      z-index: 1;
    }

    .cta-panel .btn {
      position: relative;
      z-index: 1;
    }

    /* Footer */
    .site-footer {
      background: var(--primary-deep);
      color: #B8C5D8;
      padding: var(--space-lg) 0 var(--space-md);
    }

    .footer-grid {
      display: grid;
      grid-template-columns: 1.5fr 1fr 1fr 1.2fr;
      gap: 2rem;
      margin-bottom: 2rem;
    }

    .footer-brand {
      display: flex;
      align-items: center;
      gap: 0.6rem;
      font-size: 1.2rem;
      font-weight: 800;
      color: #FFFFFF;
      margin-bottom: 0.8rem;
    }

    .footer-desc {
      font-size: 0.9rem;
      color: #8B98A8;
      line-height: 1.8;
      max-width: 320px;
    }

    .footer-col h4 {
      color: #FFFFFF;
      font-size: 0.95rem;
      font-weight: 700;
      margin-bottom: 0.9rem;
    }

    .footer-col ul {
      list-style: none;
      margin: 0;
      padding: 0;
    }

    .footer-col ul li {
      margin-bottom: 0.5rem;
    }

    .footer-col ul li a {
      color: #8B98A8;
      font-size: 0.88rem;
      transition: color var(--transition);
      display: inline-flex;
      align-items: center;
      gap: 0.4rem;
    }

    .footer-col ul li a:hover {
      color: var(--accent);
    }

    .footer-bottom {
      border-top: 1px solid rgba(255, 255, 255, 0.1);
      padding-top: 1.5rem;
      display: flex;
      justify-content: space-between;
      align-items: center;
      flex-wrap: wrap;
      gap: 0.8rem;
      font-size: 0.82rem;
      color: #6C7A8A;
    }

    /* Responsive */
    @media (max-width: 1024px) {
      .feature-split {
        grid-template-columns: 1fr;
        gap: 2rem;
      }

      .process-grid {
        grid-template-columns: repeat(2, 1fr);
      }

      .footer-grid {
        grid-template-columns: 1fr 1fr;
      }
    }

    @media (max-width: 768px) {
      .nav-toggle {
        display: flex;
      }

      .nav-links {
        display: none;
        position: absolute;
        top: calc(100% + 0.8rem);
        left: 0;
        right: 0;
        background: rgba(255, 255, 255, 0.97);
        backdrop-filter: blur(16px);
        -webkit-backdrop-filter: blur(16px);
        border: 1px solid var(--border);
        border-radius: var(--radius-lg);
        padding: 0.75rem;
        flex-direction: column;
        align-items: stretch;
        box-shadow: var(--shadow-lg);
      }

      .nav-links.open {
        display: flex;
      }

      .nav-links a {
        justify-content: center;
        padding: 0.7rem 1rem;
      }

      .nav-links a.nav-cta {
        margin-left: 0;
        margin-top: 0.25rem;
      }

      .nav-capsule {
        padding: 0.4rem 0.5rem 0.4rem 1rem;
      }

      .section {
        padding: 2.5rem 0;
      }

      .hero-status-bar {
        gap: 0.8rem;
        flex-direction: column;
        align-items: flex-start;
      }

      .process-grid {
        grid-template-columns: 1fr;
      }

      .stats-grid-compact {
        grid-template-columns: repeat(2, 1fr);
      }

      .cta-panel {
        padding: 2rem;
      }

      .data-panel-header {
        padding: 1rem 1.25rem;
      }

      .data-panel-body {
        padding: 1rem 1.25rem;
      }

      .page-hero {
        padding: 7.5rem 0 3rem;
      }
    }

    @media (max-width: 520px) {
      .nav-logo {
        font-size: 1rem;
      }

      .nav-logo-icon {
        width: 32px;
        height: 32px;
        font-size: 0.85rem;
      }

      .stats-grid-compact {
        grid-template-columns: 1fr;
      }

      .hero-icon-grid {
        gap: 0.5rem;
      }

      .hero-icon-tile {
        font-size: 0.75rem;
        padding: 0.35rem 0.8rem;
      }

      .footer-grid {
        grid-template-columns: 1fr;
        gap: 1.5rem;
      }

      .footer-bottom {
        flex-direction: column;
        text-align: center;
      }

      .deep-content {
        padding: 1.5rem;
      }

      .btn-lg {
        padding: 0.8rem 1.6rem;
        font-size: 0.95rem;
      }
    }

/* roulang page: category3 */
:root {
            --primary: #0F1F3D;
            --primary-deep: #0A1428;
            --primary-mid: #1B3A6B;
            --accent: #00D68F;
            --accent-deep: #00B878;
            --highlight: #FF6B35;
            --highlight-soft: #FF8A5C;
            --surface: #FFFFFF;
            --surface-alt: #F4F7FB;
            --surface-dark: #0E1B30;
            --text: #1A2A3D;
            --text-strong: #0D1B2A;
            --text-weak: #5C6B7A;
            --text-muted: #8B98A8;
            --border: #E2E9F2;
            --border-strong: #C9D6E5;
            --shadow-sm: 0 2px 8px rgba(10, 20, 40, 0.06);
            --shadow-md: 0 8px 28px rgba(10, 20, 40, 0.1);
            --shadow-lg: 0 18px 50px rgba(10, 20, 40, 0.16);
            --radius-sm: 8px;
            --radius-md: 14px;
            --radius-lg: 22px;
            --radius-xl: 32px;
            --radius-full: 999px;
            --space-xs: 0.5rem;
            --space-sm: 1rem;
            --space-md: 1.75rem;
            --space-lg: 3rem;
            --space-xl: 4.5rem;
            --space-xxl: 6rem;
            --font-family: "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", "Noto Sans CJK SC", "Helvetica Neue", Arial, sans-serif;
            --transition: 0.25s cubic-bezier(0.22, 0.61, 0.36, 1);
            --transition-slow: 0.45s cubic-bezier(0.22, 0.61, 0.36, 1);
        }
        html {
            scroll-behavior: smooth;
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
        }
        body {
            font-family: var(--font-family);
            font-size: 16px;
            line-height: 1.7;
            color: var(--text);
            background: var(--surface);
            overflow-x: hidden;
        }
        img {
            max-width: 100%;
            height: auto;
            display: block;
            border: 0;
        }
        a {
            color: var(--primary-mid);
            text-decoration: none;
            transition: color var(--transition);
        }
        a:hover,
        a:focus {
            color: var(--accent-deep);
            text-decoration: none;
        }
        a:focus-visible,
        button:focus-visible,
        input:focus-visible,
        select:focus-visible,
        textarea:focus-visible {
            outline: 3px solid rgba(0, 214, 143, 0.5);
            outline-offset: 2px;
            border-radius: 4px;
        }
        button {
            cursor: pointer;
            font-family: inherit;
            font-size: inherit;
            border: none;
            background: none;
        }
        .container {
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 var(--space-md);
        }
        .container-narrow {
            max-width: 860px;
            margin: 0 auto;
            padding: 0 var(--space-md);
        }
        .section {
            padding: var(--space-xl) 0;
            position: relative;
        }
        .section--tight {
            padding: var(--space-lg) 0;
        }
        .section--alt {
            background: var(--surface-alt);
        }
        .section--dark {
            background: var(--surface-dark);
            color: #E8EDF5;
        }
        .section--dark h2,
        .section--dark h3 {
            color: #FFFFFF;
        }
        .section--dark p {
            color: #B8C5D8;
        }
        .section-label {
            display: inline-flex;
            align-items: center;
            gap: 0.5rem;
            font-size: 0.82rem;
            font-weight: 600;
            letter-spacing: 0.06em;
            text-transform: uppercase;
            color: var(--accent-deep);
            background: rgba(0, 214, 143, 0.1);
            padding: 0.4rem 1rem;
            border-radius: var(--radius-full);
            margin-bottom: var(--space-sm);
        }
        .section-title {
            font-size: clamp(1.7rem, 3.8vw, 2.5rem);
            font-weight: 800;
            margin-bottom: var(--space-sm);
            letter-spacing: -0.02em;
        }
        .section-desc {
            font-size: 1.05rem;
            color: var(--text-weak);
            max-width: 680px;
            margin-bottom: var(--space-lg);
            line-height: 1.8;
        }

        /* ============ Header / Nav ============ */
        .site-header {
            position: fixed;
            top: 0;
            left: 0;
            right: 0;
            z-index: 1000;
            padding: 0.9rem 0;
            transition: all var(--transition);
        }
        .site-header.scrolled {
            background: rgba(255, 255, 255, 0.95);
            backdrop-filter: blur(16px);
            -webkit-backdrop-filter: blur(16px);
            box-shadow: 0 4px 24px rgba(10, 20, 40, 0.1);
            padding: 0.5rem 0;
        }
        .nav-capsule {
            display: flex;
            align-items: center;
            justify-content: space-between;
            background: rgba(255, 255, 255, 0.88);
            backdrop-filter: blur(14px);
            -webkit-backdrop-filter: blur(14px);
            border: 1px solid rgba(255, 255, 255, 0.6);
            border-radius: var(--radius-full);
            padding: 0.45rem 0.6rem 0.45rem 1.4rem;
            box-shadow: var(--shadow-md);
            transition: all var(--transition);
        }
        .nav-logo {
            display: flex;
            align-items: center;
            gap: 0.6rem;
            font-weight: 800;
            font-size: 1.2rem;
            color: var(--text-strong);
            white-space: nowrap;
            letter-spacing: -0.01em;
        }
        .nav-logo:hover,
        .nav-logo:focus {
            color: var(--text-strong);
        }
        .nav-logo-icon {
            width: 38px;
            height: 38px;
            background: linear-gradient(135deg, var(--accent), #00A8CC);
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1rem;
            color: var(--primary-deep);
            flex-shrink: 0;
        }
        .nav-toggle {
            display: none;
            width: 44px;
            height: 44px;
            border-radius: 50%;
            align-items: center;
            justify-content: center;
            font-size: 1.2rem;
            color: var(--text-strong);
            transition: background var(--transition);
        }
        .nav-toggle:hover {
            background: var(--surface-alt);
        }
        .nav-links {
            display: flex;
            align-items: center;
            gap: 0.2rem;
            list-style: none;
            margin: 0;
            padding: 0;
            flex-wrap: nowrap;
        }
        .nav-links li {
            margin: 0;
        }
        .nav-links a {
            display: inline-flex;
            align-items: center;
            gap: 0.35rem;
            padding: 0.5rem 0.8rem;
            border-radius: var(--radius-full);
            font-size: 0.9rem;
            font-weight: 600;
            color: var(--text-weak);
            white-space: nowrap;
            transition: all var(--transition);
        }
        .nav-links a i {
            font-size: 0.8rem;
            opacity: 0.7;
        }
        .nav-links a:hover {
            background: var(--surface-alt);
            color: var(--text-strong);
        }
        .nav-links a.active {
            background: var(--primary);
            color: #fff;
        }
        .nav-links a.nav-cta {
            background: var(--accent);
            color: var(--primary-deep);
            font-weight: 700;
            padding: 0.55rem 1.2rem;
            box-shadow: 0 4px 14px rgba(0, 214, 143, 0.35);
        }
        .nav-links a.nav-cta:hover {
            background: var(--accent-deep);
            color: var(--primary-deep);
            box-shadow: 0 6px 20px rgba(0, 214, 143, 0.45);
            transform: translateY(-1px);
        }

        /* ============ Hero ============ */
        .hero-intel {
            position: relative;
            min-height: 100vh;
            display: flex;
            align-items: center;
            padding: 8rem 0 4rem;
            background: linear-gradient(180deg, #F4F7FB 0%, #EAF0F8 40%, #E2ECF5 100%);
            overflow: hidden;
        }
        .hero-intel::before {
            content: '';
            position: absolute;
            top: -20%;
            right: -10%;
            width: 50vw;
            height: 50vw;
            background: radial-gradient(circle, rgba(0, 214, 143, 0.12) 0%, transparent 65%);
            border-radius: 50%;
            pointer-events: none;
        }
        .hero-intel::after {
            content: '';
            position: absolute;
            bottom: -30%;
            left: -15%;
            width: 55vw;
            height: 55vw;
            background: radial-gradient(circle, rgba(27, 58, 107, 0.1) 0%, transparent 60%);
            border-radius: 50%;
            pointer-events: none;
        }
        .hero-intel .container {
            position: relative;
            z-index: 2;
        }
        .hero-intel-grid {
            display: grid;
            grid-template-columns: 1.1fr 0.9fr;
            gap: var(--space-xl);
            align-items: center;
        }
        .hero-badge {
            display: inline-flex;
            align-items: center;
            gap: 0.4rem;
            background: rgba(0, 214, 143, 0.12);
            color: var(--accent-deep);
            font-size: 0.85rem;
            font-weight: 600;
            padding: 0.4rem 1.1rem;
            border-radius: var(--radius-full);
            margin-bottom: var(--space-md);
            border: 1px solid rgba(0, 214, 143, 0.25);
        }
        .hero-title {
            font-size: clamp(2.2rem, 5vw, 3.6rem);
            font-weight: 900;
            line-height: 1.15;
            letter-spacing: -0.03em;
            color: var(--text-strong);
            margin-bottom: var(--space-md);
        }
        .hero-title .highlight-text {
            color: var(--accent-deep);
            position: relative;
            white-space: nowrap;
        }
        .hero-subtitle {
            font-size: 1.15rem;
            color: var(--text-weak);
            max-width: 560px;
            line-height: 1.8;
            margin-bottom: var(--space-lg);
        }
        .hero-actions {
            display: flex;
            flex-wrap: wrap;
            gap: 1rem;
            margin-bottom: var(--space-md);
        }
        .btn {
            display: inline-flex;
            align-items: center;
            gap: 0.5rem;
            padding: 0.85rem 1.8rem;
            border-radius: var(--radius-full);
            font-weight: 700;
            font-size: 0.95rem;
            transition: all var(--transition);
            border: 2px solid transparent;
        }
        .btn-primary {
            background: var(--accent);
            color: var(--primary-deep);
            box-shadow: 0 6px 24px rgba(0, 214, 143, 0.4);
        }
        .btn-primary:hover {
            background: var(--accent-deep);
            color: var(--primary-deep);
            box-shadow: 0 10px 32px rgba(0, 214, 143, 0.5);
            transform: translateY(-2px);
        }
        .btn-outline {
            border-color: var(--border-strong);
            color: var(--text-strong);
            background: rgba(255, 255, 255, 0.6);
        }
        .btn-outline:hover {
            border-color: var(--accent);
            color: var(--accent-deep);
            background: #fff;
            transform: translateY(-2px);
        }
        .countdown-wrap {
            display: flex;
            align-items: center;
            gap: 1.2rem;
            flex-wrap: wrap;
            background: rgba(255, 255, 255, 0.7);
            border: 1px solid rgba(255, 255, 255, 0.8);
            border-radius: var(--radius-md);
            padding: 1rem 1.5rem;
            box-shadow: var(--shadow-sm);
            backdrop-filter: blur(8px);
        }
        .countdown-label {
            font-size: 0.85rem;
            font-weight: 600;
            color: var(--text-weak);
            display: flex;
            align-items: center;
            gap: 0.4rem;
        }
        .countdown-label i {
            color: var(--highlight);
        }
        .countdown-timer {
            display: flex;
            gap: 0.5rem;
            align-items: center;
        }
        .countdown-seg {
            display: flex;
            flex-direction: column;
            align-items: center;
            background: var(--primary);
            color: #fff;
            border-radius: var(--radius-sm);
            padding: 0.5rem 0.7rem;
            min-width: 56px;
        }
        .countdown-seg .num {
            font-size: 1.5rem;
            font-weight: 800;
            line-height: 1.2;
            font-variant-numeric: tabular-nums;
        }
        .countdown-seg .unit {
            font-size: 0.7rem;
            opacity: 0.7;
            text-transform: uppercase;
        }
        .hero-cover-wrap {
            position: relative;
        }
        .hero-cover-card {
            border-radius: var(--radius-xl);
            overflow: hidden;
            box-shadow: var(--shadow-lg);
            background: var(--surface);
            border: 1px solid var(--border);
            transition: transform var(--transition-slow);
        }
        .hero-cover-card:hover {
            transform: translateY(-6px);
        }
        .hero-cover-card img {
            width: 100%;
            aspect-ratio: 4/3;
            object-fit: cover;
        }
        .cover-overlay {
            position: absolute;
            bottom: 1rem;
            left: 1rem;
            right: 1rem;
            background: rgba(10, 20, 40, 0.85);
            backdrop-filter: blur(10px);
            border-radius: var(--radius-md);
            padding: 1rem 1.5rem;
            color: #fff;
            display: flex;
            justify-content: space-between;
            align-items: center;
            gap: 1rem;
        }
        .cover-overlay .live-tag {
            background: #E53935;
            color: #fff;
            font-size: 0.75rem;
            font-weight: 700;
            padding: 0.25rem 0.7rem;
            border-radius: var(--radius-full);
            letter-spacing: 0.04em;
        }
        .cover-overlay .match-name {
            font-weight: 700;
            font-size: 0.95rem;
        }
        .cover-overlay .match-meta {
            font-size: 0.8rem;
            opacity: 0.75;
        }

        /* ============ Pain Section ============ */
        .pain-grid {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: var(--space-lg);
            align-items: center;
        }
        .pain-list {
            list-style: none;
            margin: 0;
            padding: 0;
            display: flex;
            flex-direction: column;
            gap: 1rem;
        }
        .pain-list li {
            display: flex;
            gap: 0.8rem;
            align-items: flex-start;
            padding: 1.1rem 1.3rem;
            background: var(--surface);
            border: 1px solid var(--border);
            border-radius: var(--radius-md);
            transition: all var(--transition);
        }
        .pain-list li:hover {
            border-color: var(--highlight-soft);
            box-shadow: var(--shadow-md);
            transform: translateX(4px);
        }
        .pain-list li i {
            color: var(--highlight);
            font-size: 1.1rem;
            margin-top: 0.2rem;
            flex-shrink: 0;
        }
        .pain-list li strong {
            display: block;
            color: var(--text-strong);
            margin-bottom: 0.2rem;
        }
        .pain-list li span {
            color: var(--text-weak);
            font-size: 0.92rem;
        }

        /* ============ Solution ============ */
        .solution-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 1.5rem;
        }
        .solution-card {
            background: var(--surface);
            border: 1px solid var(--border);
            border-radius: var(--radius-lg);
            padding: 2rem 1.5rem;
            transition: all var(--transition-slow);
            position: relative;
            overflow: hidden;
        }
        .solution-card::before {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            right: 0;
            height: 4px;
            background: linear-gradient(135deg, var(--accent), #00A8CC);
            opacity: 0;
            transition: opacity var(--transition);
        }
        .solution-card:hover {
            border-color: var(--accent);
            box-shadow: var(--shadow-lg);
            transform: translateY(-4px);
        }
        .solution-card:hover::before {
            opacity: 1;
        }
        .solution-icon {
            width: 52px;
            height: 52px;
            border-radius: var(--radius-md);
            background: rgba(0, 214, 143, 0.1);
            color: var(--accent-deep);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1.3rem;
            margin-bottom: 1.2rem;
        }
        .solution-card h3 {
            font-size: 1.15rem;
            font-weight: 700;
            color: var(--text-strong);
            margin-bottom: 0.6rem;
        }
        .solution-card p {
            color: var(--text-weak);
            font-size: 0.95rem;
            line-height: 1.7;
            margin: 0;
        }

        /* ============ Data Dashboard ============ */
        .dashboard-panel {
            background: var(--surface-dark);
            border-radius: var(--radius-xl);
            padding: 2.5rem;
            position: relative;
            overflow: hidden;
        }
        .dashboard-panel::before {
            content: '';
            position: absolute;
            top: -50%;
            right: -30%;
            width: 500px;
            height: 500px;
            background: radial-gradient(circle, rgba(0, 214, 143, 0.15) 0%, transparent 60%);
            border-radius: 50%;
        }
        .dashboard-grid {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 2.5rem;
            position: relative;
            z-index: 1;
            align-items: center;
        }
        .dashboard-text h3 {
            font-size: 1.6rem;
            font-weight: 800;
            color: #fff;
            margin-bottom: 1rem;
        }
        .dashboard-text p {
            color: #B8C5D8;
            font-size: 1rem;
            line-height: 1.8;
            margin-bottom: 1.5rem;
        }
        .stat-row {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 1rem;
        }
        .stat-block {
            background: rgba(255, 255, 255, 0.06);
            border: 1px solid rgba(255, 255, 255, 0.1);
            border-radius: var(--radius-md);
            padding: 1.2rem;
            text-align: center;
        }
        .stat-block .stat-num {
            font-size: 1.8rem;
            font-weight: 800;
            color: var(--accent);
            line-height: 1.3;
        }
        .stat-block .stat-label {
            font-size: 0.8rem;
            color: #8B98A8;
        }

        /* ============ Coverage Cards ============ */
        .coverage-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 1.2rem;
        }
        .coverage-card {
            background: var(--surface);
            border: 1px solid var(--border);
            border-radius: var(--radius-md);
            padding: 1.5rem;
            display: flex;
            flex-direction: column;
            align-items: center;
            text-align: center;
            gap: 0.6rem;
            transition: all var(--transition);
        }
        .coverage-card:hover {
            border-color: var(--accent);
            box-shadow: var(--shadow-md);
            transform: translateY(-3px);
        }
        .coverage-card img {
            width: 100%;
            border-radius: var(--radius-sm);
            aspect-ratio: 16/10;
            object-fit: cover;
            margin-bottom: 0.3rem;
        }
        .coverage-card h4 {
            font-size: 1rem;
            font-weight: 700;
            color: var(--text-strong);
            margin: 0;
        }
        .coverage-card p {
            font-size: 0.85rem;
            color: var(--text-muted);
            margin: 0;
            line-height: 1.5;
        }

        /* ============ Timeline ============ */
        .timeline-list {
            list-style: none;
            margin: 0;
            padding: 0;
            position: relative;
            display: flex;
            flex-direction: column;
            gap: 1.2rem;
        }
        .timeline-list::before {
            content: '';
            position: absolute;
            left: 20px;
            top: 30px;
            bottom: 30px;
            width: 2px;
            background: var(--border-strong);
        }
        .timeline-item {
            display: flex;
            gap: 1.5rem;
            align-items: flex-start;
            position: relative;
            padding-left: 0.5rem;
        }
        .timeline-dot {
            width: 42px;
            height: 42px;
            border-radius: 50%;
            background: var(--surface);
            border: 2px solid var(--accent);
            display: flex;
            align-items: center;
            justify-content: center;
            color: var(--accent-deep);
            font-size: 0.9rem;
            flex-shrink: 0;
            z-index: 1;
            box-shadow: 0 0 0 4px var(--surface-alt);
        }
        .timeline-content {
            background: var(--surface);
            border: 1px solid var(--border);
            border-radius: var(--radius-md);
            padding: 1.2rem 1.5rem;
            flex: 1;
            transition: all var(--transition);
        }
        .timeline-content:hover {
            border-color: var(--accent);
            box-shadow: var(--shadow-sm);
        }
        .timeline-content h4 {
            font-size: 1rem;
            font-weight: 700;
            color: var(--text-strong);
            margin-bottom: 0.3rem;
        }
        .timeline-content p {
            font-size: 0.9rem;
            color: var(--text-weak);
            margin: 0;
        }
        .timeline-content .time-badge {
            display: inline-block;
            font-size: 0.75rem;
            font-weight: 600;
            color: var(--accent-deep);
            background: rgba(0, 214, 143, 0.1);
            padding: 0.2rem 0.7rem;
            border-radius: var(--radius-full);
            margin-bottom: 0.4rem;
        }

        /* ============ Testimonial ============ */
        .testimonial-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 1.5rem;
        }
        .testimonial-card {
            background: var(--surface);
            border: 1px solid var(--border);
            border-radius: var(--radius-lg);
            padding: 2rem 1.5rem;
            position: relative;
            transition: all var(--transition);
        }
        .testimonial-card:hover {
            box-shadow: var(--shadow-md);
            transform: translateY(-3px);
        }
        .testimonial-card .quote-icon {
            color: var(--accent);
            font-size: 1.8rem;
            opacity: 0.4;
            margin-bottom: 0.8rem;
        }
        .testimonial-card blockquote {
            font-size: 0.95rem;
            color: var(--text-weak);
            line-height: 1.8;
            margin: 0 0 1.2rem;
            border: none;
            padding: 0;
        }
        .testimonial-user {
            display: flex;
            align-items: center;
            gap: 0.8rem;
        }
        .testimonial-avatar {
            width: 42px;
            height: 42px;
            border-radius: 50%;
            background: linear-gradient(135deg, var(--primary-mid), var(--accent));
            color: #fff;
            display: flex;
            align-items: center;
            justify-content: center;
            font-weight: 700;
            font-size: 0.9rem;
            flex-shrink: 0;
        }
        .testimonial-user .user-name {
            font-weight: 700;
            color: var(--text-strong);
            font-size: 0.9rem;
        }
        .testimonial-user .user-role {
            font-size: 0.8rem;
            color: var(--text-muted);
        }

        /* ============ FAQ ============ */
        .faq-list {
            max-width: 800px;
            margin: 0 auto;
            display: flex;
            flex-direction: column;
            gap: 0.8rem;
        }
        .faq-item {
            background: var(--surface);
            border: 1px solid var(--border);
            border-radius: var(--radius-md);
            overflow: hidden;
            transition: all var(--transition);
        }
        .faq-item:hover {
            border-color: var(--accent);
        }
        .faq-question {
            width: 100%;
            display: flex;
            justify-content: space-between;
            align-items: center;
            padding: 1.1rem 1.5rem;
            font-weight: 700;
            color: var(--text-strong);
            font-size: 0.95rem;
            text-align: left;
            gap: 1rem;
            transition: color var(--transition);
        }
        .faq-question:hover {
            color: var(--accent-deep);
        }
        .faq-question .faq-icon {
            transition: transform var(--transition);
            color: var(--text-muted);
            flex-shrink: 0;
        }
        .faq-item.open .faq-question .faq-icon {
            transform: rotate(180deg);
            color: var(--accent-deep);
        }
        .faq-answer {
            max-height: 0;
            overflow: hidden;
            transition: max-height var(--transition-slow);
        }
        .faq-item.open .faq-answer {
            max-height: 300px;
        }
        .faq-answer-inner {
            padding: 0 1.5rem 1.2rem;
            color: var(--text-weak);
            font-size: 0.92rem;
            line-height: 1.8;
        }

        /* ============ CTA ============ */
        .cta-panel {
            background: linear-gradient(135deg, var(--primary) 0%, var(--primary-mid) 100%);
            border-radius: var(--radius-xl);
            padding: 3rem 2.5rem;
            position: relative;
            overflow: hidden;
        }
        .cta-panel::before {
            content: '';
            position: absolute;
            top: -40%;
            right: -10%;
            width: 400px;
            height: 400px;
            background: radial-gradient(circle, rgba(0, 214, 143, 0.25) 0%, transparent 60%);
            border-radius: 50%;
        }
        .cta-panel::after {
            content: '';
            position: absolute;
            bottom: -50%;
            left: -15%;
            width: 500px;
            height: 500px;
            background: radial-gradient(circle, rgba(255, 107, 53, 0.15) 0%, transparent 55%);
            border-radius: 50%;
        }
        .cta-content {
            position: relative;
            z-index: 1;
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 2rem;
            flex-wrap: wrap;
        }
        .cta-content h3 {
            color: #fff;
            font-size: 1.7rem;
            font-weight: 800;
            margin-bottom: 0.5rem;
        }
        .cta-content p {
            color: #B8C5D8;
            font-size: 1rem;
            margin: 0;
        }

        /* ============ Footer ============ */
        .site-footer {
            background: var(--surface-dark);
            color: #B8C5D8;
            padding: var(--space-xl) 0 var(--space-md);
            margin-top: 0;
        }
        .footer-grid {
            display: grid;
            grid-template-columns: 2fr 1fr 1fr 1.2fr;
            gap: 2.5rem;
            margin-bottom: 2.5rem;
        }
        .footer-brand {
            display: flex;
            align-items: center;
            gap: 0.6rem;
            font-weight: 800;
            font-size: 1.2rem;
            color: #fff;
            margin-bottom: 1rem;
        }
        .footer-desc {
            font-size: 0.9rem;
            color: #8B98A8;
            line-height: 1.7;
            max-width: 320px;
        }
        .footer-col h4 {
            color: #fff;
            font-size: 0.95rem;
            font-weight: 700;
            margin-bottom: 1rem;
        }
        .footer-col ul {
            list-style: none;
            margin: 0;
            padding: 0;
            display: flex;
            flex-direction: column;
            gap: 0.55rem;
        }
        .footer-col ul li {
            margin: 0;
        }
        .footer-col ul a {
            color: #8B98A8;
            font-size: 0.9rem;
            transition: color var(--transition);
        }
        .footer-col ul a:hover {
            color: var(--accent);
        }
        .footer-bottom {
            border-top: 1px solid rgba(255, 255, 255, 0.08);
            padding-top: 1.5rem;
            display: flex;
            flex-wrap: wrap;
            justify-content: space-between;
            align-items: center;
            gap: 0.8rem;
            font-size: 0.8rem;
            color: #6B7A8D;
        }
        .footer-bottom a {
            color: #6B7A8D;
        }
        .footer-bottom a:hover {
            color: var(--accent);
        }

        /* ============ Responsive ============ */
        @media (max-width: 1024px) {
            .hero-intel-grid {
                grid-template-columns: 1fr 1fr;
                gap: 2rem;
            }
            .solution-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .coverage-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .dashboard-grid {
                grid-template-columns: 1fr;
            }
            .testimonial-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .footer-grid {
                grid-template-columns: 1fr 1fr;
                gap: 1.5rem;
            }
            .nav-links {
                gap: 0;
            }
            .nav-links a {
                padding: 0.5rem 0.6rem;
                font-size: 0.82rem;
            }
        }
        @media (max-width: 768px) {
            .site-header {
                padding: 0.5rem 0;
            }
            .nav-capsule {
                padding: 0.3rem 0.4rem 0.3rem 1rem;
                flex-wrap: wrap;
                border-radius: var(--radius-lg);
            }
            .nav-toggle {
                display: flex;
            }
            .nav-links {
                display: none;
                width: 100%;
                flex-direction: column;
                align-items: stretch;
                gap: 0.2rem;
                padding: 0.5rem 0;
                max-height: 0;
                overflow: hidden;
                transition: max-height var(--transition-slow);
            }
            .nav-links.open {
                display: flex;
                max-height: 420px;
                overflow-y: auto;
            }
            .nav-links a {
                padding: 0.7rem 1rem;
                font-size: 0.95rem;
                border-radius: var(--radius-sm);
            }
            .hero-intel {
                padding: 7rem 0 3rem;
                min-height: auto;
            }
            .hero-intel-grid {
                grid-template-columns: 1fr;
                gap: 1.5rem;
            }
            .hero-title {
                font-size: clamp(1.8rem, 7vw, 2.6rem);
            }
            .hero-cover-card img {
                aspect-ratio: 16/9;
            }
            .countdown-wrap {
                flex-direction: column;
                align-items: flex-start;
                gap: 0.6rem;
            }
            .pain-grid {
                grid-template-columns: 1fr;
                gap: 1.5rem;
            }
            .solution-grid {
                grid-template-columns: 1fr;
            }
            .coverage-grid {
                grid-template-columns: 1fr 1fr;
                gap: 1rem;
            }
            .dashboard-panel {
                padding: 1.5rem;
            }
            .stat-row {
                grid-template-columns: repeat(3, 1fr);
                gap: 0.5rem;
            }
            .stat-block .stat-num {
                font-size: 1.3rem;
            }
            .testimonial-grid {
                grid-template-columns: 1fr;
            }
            .cta-content {
                flex-direction: column;
                text-align: center;
            }
            .cta-content .btn {
                width: 100%;
                justify-content: center;
            }
            .footer-grid {
                grid-template-columns: 1fr;
                gap: 1.5rem;
            }
            .footer-bottom {
                flex-direction: column;
                text-align: center;
            }
            .section {
                padding: var(--space-lg) 0;
            }
            .section-title {
                font-size: 1.6rem;
            }
        }
        @media (max-width: 520px) {
            .container {
                padding: 0 1rem;
            }
            .hero-actions {
                flex-direction: column;
            }
            .hero-actions .btn {
                width: 100%;
                justify-content: center;
            }
            .coverage-grid {
                grid-template-columns: 1fr;
            }
            .countdown-timer {
                gap: 0.3rem;
            }
            .countdown-seg {
                min-width: 44px;
                padding: 0.4rem 0.5rem;
            }
            .countdown-seg .num {
                font-size: 1.2rem;
            }
            .cover-overlay {
                flex-direction: column;
                align-items: flex-start;
                gap: 0.4rem;
                padding: 0.8rem 1rem;
            }
            .dashboard-panel {
                padding: 1.2rem;
                border-radius: var(--radius-lg);
            }
            .stat-row {
                grid-template-columns: 1fr;
                gap: 0.5rem;
            }
            .timeline-list::before {
                left: 16px;
            }
            .timeline-dot {
                width: 34px;
                height: 34px;
                font-size: 0.75rem;
            }
            .timeline-item {
                gap: 1rem;
            }
            .faq-question {
                padding: 1rem;
                font-size: 0.9rem;
            }
            .faq-answer-inner {
                padding: 0 1rem 1rem;
            }
            .cta-panel {
                padding: 2rem 1.5rem;
                border-radius: var(--radius-lg);
            }
        }

/* roulang page: category1 */
:root {
            --primary: #0F1F3D;
            --primary-deep: #0A1428;
            --primary-mid: #1B3A6B;
            --accent: #00D68F;
            --accent-deep: #00B878;
            --highlight: #FF6B35;
            --highlight-soft: #FF8A5C;
            --surface: #FFFFFF;
            --surface-alt: #F4F7FB;
            --surface-dark: #0E1B30;
            --text: #1A2A3D;
            --text-strong: #0D1B2A;
            --text-weak: #5C6B7A;
            --text-muted: #8B98A8;
            --border: #E2E9F2;
            --border-strong: #C9D6E5;
            --shadow-sm: 0 2px 8px rgba(10, 20, 40, 0.06);
            --shadow-md: 0 8px 28px rgba(10, 20, 40, 0.1);
            --shadow-lg: 0 18px 50px rgba(10, 20, 40, 0.16);
            --radius-sm: 8px;
            --radius-md: 14px;
            --radius-lg: 22px;
            --radius-xl: 32px;
            --radius-full: 999px;
            --space-xs: 0.5rem;
            --space-sm: 1rem;
            --space-md: 1.75rem;
            --space-lg: 3rem;
            --space-xl: 4.5rem;
            --space-xxl: 6rem;
            --font-family: "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", "Noto Sans CJK SC", "Helvetica Neue", Arial, sans-serif;
            --transition: 0.25s cubic-bezier(0.22, 0.61, 0.36, 1);
            --transition-slow: 0.45s cubic-bezier(0.22, 0.61, 0.36, 1);
        }

        html {
            scroll-behavior: smooth;
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
        }

        body {
            font-family: var(--font-family);
            font-size: 16px;
            line-height: 1.7;
            color: var(--text);
            background: var(--surface);
            overflow-x: hidden;
            padding-top: 88px;
        }

        img {
            max-width: 100%;
            height: auto;
            display: block;
            border: 0;
        }

        a {
            color: var(--primary-mid);
            text-decoration: none;
            transition: color var(--transition);
        }

        a:hover,
        a:focus {
            color: var(--accent-deep);
            text-decoration: none;
        }

        a:focus-visible,
        button:focus-visible,
        input:focus-visible,
        select:focus-visible,
        textarea:focus-visible {
            outline: 3px solid rgba(0, 214, 143, 0.5);
            outline-offset: 2px;
            border-radius: 4px;
        }

        button {
            cursor: pointer;
            font-family: inherit;
            font-size: inherit;
            border: none;
            background: none;
        }

        .container {
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 var(--space-md);
        }

        .container-narrow {
            max-width: 860px;
            margin: 0 auto;
            padding: 0 var(--space-md);
        }

        .section {
            padding: var(--space-xl) 0;
            position: relative;
        }

        .section--tight {
            padding: var(--space-lg) 0;
        }

        .section--alt {
            background: var(--surface-alt);
        }

        .section--dark {
            background: var(--surface-dark);
            color: #E8EDF5;
        }

        .section--dark h2,
        .section--dark h3 {
            color: #FFFFFF;
        }

        .section--dark p {
            color: #B8C5D8;
        }

        .section-label {
            display: inline-flex;
            align-items: center;
            gap: 0.5rem;
            font-size: 0.82rem;
            font-weight: 600;
            letter-spacing: 0.06em;
            text-transform: uppercase;
            color: var(--accent-deep);
            background: rgba(0, 214, 143, 0.1);
            padding: 0.4rem 1rem;
            border-radius: var(--radius-full);
            margin-bottom: var(--space-sm);
        }

        .section-title {
            font-size: clamp(1.7rem, 3.8vw, 2.5rem);
            font-weight: 800;
            margin-bottom: var(--space-sm);
            letter-spacing: -0.02em;
            color: var(--text-strong);
        }

        .section-desc {
            font-size: 1.05rem;
            color: var(--text-weak);
            max-width: 680px;
            margin-bottom: var(--space-lg);
            line-height: 1.8;
        }

        /* ============ Header / Nav ============ */
        .site-header {
            position: fixed;
            top: 0;
            left: 0;
            right: 0;
            z-index: 1000;
            padding: 0.9rem 0;
            transition: all var(--transition);
        }

        .site-header.scrolled {
            background: rgba(255, 255, 255, 0.95);
            backdrop-filter: blur(16px);
            -webkit-backdrop-filter: blur(16px);
            box-shadow: 0 4px 24px rgba(10, 20, 40, 0.1);
            padding: 0.5rem 0;
        }

        .nav-capsule {
            display: flex;
            align-items: center;
            justify-content: space-between;
            background: rgba(255, 255, 255, 0.88);
            backdrop-filter: blur(14px);
            -webkit-backdrop-filter: blur(14px);
            border: 1px solid rgba(255, 255, 255, 0.6);
            border-radius: var(--radius-full);
            padding: 0.45rem 0.6rem 0.45rem 1.4rem;
            box-shadow: var(--shadow-md);
            transition: all var(--transition);
            gap: 1rem;
        }

        .nav-logo {
            display: flex;
            align-items: center;
            gap: 0.6rem;
            font-weight: 800;
            font-size: 1.2rem;
            color: var(--text-strong);
            white-space: nowrap;
            letter-spacing: -0.01em;
            flex-shrink: 0;
        }

        .nav-logo:hover,
        .nav-logo:focus {
            color: var(--text-strong);
        }

        .nav-logo-icon {
            width: 38px;
            height: 38px;
            background: linear-gradient(135deg, var(--accent), #00A8CC);
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 0.95rem;
            color: var(--primary-deep);
            flex-shrink: 0;
        }

        .nav-links {
            display: flex;
            align-items: center;
            list-style: none;
            margin: 0;
            padding: 0;
            gap: 0.35rem;
            flex-wrap: nowrap;
        }

        .nav-links li {
            list-style: none;
            margin: 0;
        }

        .nav-links a {
            display: flex;
            align-items: center;
            gap: 0.35rem;
            font-size: 0.88rem;
            font-weight: 500;
            color: var(--text-weak);
            padding: 0.45rem 0.8rem;
            border-radius: var(--radius-full);
            transition: all var(--transition);
            white-space: nowrap;
        }

        .nav-links a:hover {
            color: var(--primary-deep);
            background: rgba(0, 214, 143, 0.08);
        }

        .nav-links a.active {
            color: var(--primary-deep);
            background: rgba(0, 214, 143, 0.16);
            font-weight: 600;
        }

        .nav-links a.nav-cta {
            background: linear-gradient(135deg, var(--accent), var(--accent-deep));
            color: var(--primary-deep);
            font-weight: 700;
            padding: 0.5rem 1.2rem;
            box-shadow: 0 4px 14px rgba(0, 214, 143, 0.3);
            margin-left: 0.3rem;
        }

        .nav-links a.nav-cta:hover {
            box-shadow: 0 6px 20px rgba(0, 214, 143, 0.45);
            transform: translateY(-1px);
            color: var(--primary-deep);
        }

        .nav-toggle {
            display: none;
            background: none;
            border: none;
            font-size: 1.4rem;
            color: var(--text-strong);
            padding: 0.3rem 0.5rem;
            transition: color var(--transition);
        }

        /* ============ Hero ============ */
        .hero-live {
            padding: var(--space-lg) 0 var(--space-xl);
            background: linear-gradient(160deg, #0A1428 0%, #0F1F3D 55%, #1B3A6B 100%);
            color: #E8EDF5;
            position: relative;
            overflow: hidden;
        }

        .hero-live::before {
            content: '';
            position: absolute;
            top: -120px;
            right: -80px;
            width: 480px;
            height: 480px;
            background: radial-gradient(circle, rgba(0,214,143,0.18) 0%, transparent 70%);
            pointer-events: none;
        }

        .hero-live::after {
            content: '';
            position: absolute;
            bottom: -160px;
            left: -100px;
            width: 520px;
            height: 520px;
            background: radial-gradient(circle, rgba(255,107,53,0.12) 0%, transparent 70%);
            pointer-events: none;
        }

        .hero-live .hero-grid {
            display: grid;
            grid-template-columns: 1fr 1.1fr;
            gap: 3.5rem;
            align-items: center;
            position: relative;
            z-index: 2;
        }

        .hero-live h1 {
            font-size: clamp(2rem, 4.5vw, 2.9rem);
            font-weight: 800;
            color: #FFFFFF;
            letter-spacing: -0.02em;
            margin-bottom: 1.2rem;
            line-height: 1.25;
        }

        .hero-live h1 .highlight {
            color: var(--accent);
            background: none;
        }

        .hero-live .hero-subtitle {
            font-size: 1.1rem;
            color: #B8C5D8;
            line-height: 1.8;
            margin-bottom: 1.8rem;
            max-width: 520px;
        }

        .hero-live .hero-actions {
            display: flex;
            gap: 1rem;
            flex-wrap: wrap;
            align-items: center;
        }

        .hero-live .hero-badge-row {
            display: flex;
            gap: 0.8rem;
            flex-wrap: wrap;
            margin-bottom: 1.5rem;
        }

        .hero-live .hero-badge {
            display: inline-flex;
            align-items: center;
            gap: 0.4rem;
            background: rgba(255,255,255,0.08);
            border: 1px solid rgba(255,255,255,0.16);
            color: #D4E2F0;
            font-size: 0.82rem;
            padding: 0.4rem 1rem;
            border-radius: var(--radius-full);
        }

        .hero-live .hero-badge i {
            color: var(--accent);
        }

        /* Hero form panel */
        .hero-form-panel {
            background: rgba(255,255,255,0.04);
            border: 1px solid rgba(255,255,255,0.14);
            border-radius: var(--radius-lg);
            padding: 2rem;
            backdrop-filter: blur(10px);
            -webkit-backdrop-filter: blur(10px);
            box-shadow: 0 20px 50px rgba(0,0,0,0.25);
        }

        .hero-form-panel h3 {
            color: #FFFFFF;
            font-size: 1.3rem;
            font-weight: 700;
            margin-bottom: 0.6rem;
        }

        .hero-form-panel p {
            color: #B8C5D8;
            font-size: 0.92rem;
            margin-bottom: 1.5rem;
        }

        .hero-form-panel .form-row {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 1rem;
            margin-bottom: 1rem;
        }

        .hero-form-panel input,
        .hero-form-panel select {
            width: 100%;
            padding: 0.8rem 1.2rem;
            border: 1px solid rgba(255,255,255,0.2);
            border-radius: var(--radius-md);
            background: rgba(255,255,255,0.06);
            color: #FFFFFF;
            font-size: 0.95rem;
            transition: border-color var(--transition), background var(--transition);
        }

        .hero-form-panel input::placeholder {
            color: #8B98A8;
        }

        .hero-form-panel input:focus {
            border-color: var(--accent);
            background: rgba(255,255,255,0.1);
            outline: none;
        }

        .hero-form-panel select option {
            color: var(--text-strong);
            background: #fff;
        }

        .hero-form-panel .submit-btn {
            width: 100%;
            padding: 0.9rem 1.5rem;
            background: linear-gradient(135deg, var(--accent), var(--accent-deep));
            color: var(--primary-deep);
            font-weight: 700;
            font-size: 1rem;
            border-radius: var(--radius-md);
            border: none;
            transition: all var(--transition);
            display: flex;
            align-items: center;
            justify-content: center;
            gap: 0.5rem;
        }

        .hero-form-panel .submit-btn:hover {
            box-shadow: 0 8px 24px rgba(0,214,143,0.35);
            transform: translateY(-2px);
        }

        .hero-form-panel .form-hint {
            font-size: 0.78rem;
            color: #8B98A8;
            margin-top: 0.8rem;
            text-align: center;
            margin-bottom: 0;
        }

        /* Coverage strip */
        .coverage-strip {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 1.2rem;
            margin-top: 3rem;
            padding-top: 2rem;
            border-top: 1px solid rgba(255,255,255,0.1);
        }

        .coverage-strip .cov-item {
            text-align: left;
        }

        .coverage-strip .cov-number {
            font-size: 2rem;
            font-weight: 800;
            color: var(--accent);
            line-height: 1.2;
        }

        .coverage-strip .cov-label {
            font-size: 0.82rem;
            color: #B8C5D8;
            margin-top: 0.2rem;
        }

        /* ============ Pain Points ============ */
        .pain-grid {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 2rem;
            align-items: center;
        }

        .pain-text .pain-list {
            list-style: none;
            margin: 0;
            padding: 0;
        }

        .pain-text .pain-list li {
            display: flex;
            gap: 1rem;
            padding: 1.1rem 0;
            border-bottom: 1px solid var(--border);
            align-items: flex-start;
        }

        .pain-text .pain-list li:last-child {
            border-bottom: none;
        }

        .pain-text .pain-list .pain-icon {
            width: 40px;
            height: 40px;
            flex-shrink: 0;
            border-radius: 50%;
            background: rgba(255,107,53,0.1);
            color: var(--highlight);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1.1rem;
        }

        .pain-text .pain-list h4 {
            font-size: 1.05rem;
            font-weight: 700;
            color: var(--text-strong);
            margin-bottom: 0.3rem;
        }

        .pain-text .pain-list p {
            font-size: 0.92rem;
            color: var(--text-weak);
            margin: 0;
            line-height: 1.6;
        }

        .pain-visual {
            position: relative;
            border-radius: var(--radius-lg);
            overflow: hidden;
            box-shadow: var(--shadow-lg);
            min-height: 360px;
        }

        .pain-visual img {
            width: 100%;
            height: 100%;
            object-fit: cover;
        }

        .pain-visual .visual-overlay {
            position: absolute;
            bottom: 0;
            left: 0;
            right: 0;
            padding: 2rem 1.8rem;
            background: linear-gradient(0deg, rgba(10,20,40,0.9) 0%, rgba(10,20,40,0) 100%);
            color: #FFFFFF;
        }

        .pain-visual .visual-overlay h4 {
            color: #FFFFFF;
            font-size: 1.2rem;
            font-weight: 700;
            margin-bottom: 0.3rem;
        }

        .pain-visual .visual-overlay p {
            color: #B8C5D8;
            font-size: 0.9rem;
            margin: 0;
        }

        /* ============ Solution ============ */
        .solution-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 1.5rem;
        }

        .solution-card {
            background: var(--surface);
            border: 1px solid var(--border);
            border-radius: var(--radius-md);
            padding: 1.8rem;
            transition: all var(--transition);
            position: relative;
            overflow: hidden;
        }

        .solution-card:hover {
            transform: translateY(-5px);
            box-shadow: var(--shadow-md);
            border-color: var(--accent);
        }

        .solution-card .card-icon {
            width: 50px;
            height: 50px;
            border-radius: 14px;
            background: rgba(0,214,143,0.12);
            color: var(--accent-deep);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1.3rem;
            margin-bottom: 1.2rem;
            transition: all var(--transition);
        }

        .solution-card:hover .card-icon {
            background: var(--accent);
            color: var(--primary-deep);
            transform: scale(1.05);
        }

        .solution-card h3 {
            font-size: 1.15rem;
            font-weight: 700;
            color: var(--text-strong);
            margin-bottom: 0.7rem;
        }

        .solution-card p {
            font-size: 0.92rem;
            color: var(--text-weak);
            margin-bottom: 1rem;
            line-height: 1.65;
        }

        .solution-card .card-list {
            list-style: none;
            margin: 0;
            padding: 0;
        }

        .solution-card .card-list li {
            font-size: 0.85rem;
            color: var(--text-weak);
            padding-left: 1.4rem;
            position: relative;
            margin-bottom: 0.45rem;
        }

        .solution-card .card-list li::before {
            content: '\f00c';
            font-family: 'Font Awesome 6 Free';
            font-weight: 900;
            position: absolute;
            left: 0;
            top: 0.1rem;
            color: var(--accent-deep);
            font-size: 0.72rem;
        }

        /* ============ Feature Highlight ============ */
        .feature-highlight {
            display: grid;
            grid-template-columns: 1.1fr 1fr;
            gap: 3rem;
            align-items: center;
        }

        .feature-image {
            border-radius: var(--radius-lg);
            overflow: hidden;
            box-shadow: var(--shadow-lg);
        }

        .feature-image img {
            width: 100%;
            height: auto;
            object-fit: cover;
        }

        .feature-detail .feature-metrics {
            display: grid;
            grid-template-columns: repeat(2, 1fr);
            gap: 1rem;
            margin: 1.5rem 0;
        }

        .feature-metrics .metric-box {
            background: var(--surface-alt);
            border: 1px solid var(--border);
            border-radius: var(--radius-md);
            padding: 1.2rem;
            text-align: center;
        }

        .feature-metrics .metric-box .metric-number {
            font-size: 1.6rem;
            font-weight: 800;
            color: var(--accent-deep);
            line-height: 1.2;
        }

        .feature-metrics .metric-box .metric-label {
            font-size: 0.82rem;
            color: var(--text-weak);
            margin-top: 0.3rem;
        }

        /* ============ Data Coverage ============ */
        .coverage-section {
            background: var(--surface-dark);
            color: #E8EDF5;
        }

        .coverage-section h2 {
            color: #FFFFFF;
        }

        .coverage-section .section-desc {
            color: #B8C5D8;
        }

        .coverage-cards {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 1.2rem;
        }

        .coverage-card {
            background: rgba(255,255,255,0.04);
            border: 1px solid rgba(255,255,255,0.12);
            border-radius: var(--radius-md);
            padding: 1.5rem;
            transition: all var(--transition);
        }

        .coverage-card:hover {
            background: rgba(255,255,255,0.08);
            border-color: rgba(0,214,143,0.4);
            transform: translateY(-3px);
        }

        .coverage-card h4 {
            color: #FFFFFF;
            font-size: 1.05rem;
            font-weight: 700;
            margin-bottom: 0.5rem;
        }

        .coverage-card p {
            color: #B8C5D8;
            font-size: 0.85rem;
            margin: 0;
            line-height: 1.6;
        }

        .coverage-card .cov-icon {
            font-size: 1.5rem;
            color: var(--accent);
            margin-bottom: 0.8rem;
        }

        /* ============ Process Timeline ============ */
        .process-steps {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 1.5rem;
            counter-reset: step;
        }

        .process-step {
            position: relative;
            padding-top: 3rem;
        }

        .process-step::before {
            counter-increment: step;
            content: counter(step);
            position: absolute;
            top: 0;
            left: 0;
            width: 44px;
            height: 44px;
            border-radius: 50%;
            background: linear-gradient(135deg, var(--accent), var(--accent-deep));
            color: var(--primary-deep);
            font-weight: 800;
            font-size: 1.2rem;
            display: flex;
            align-items: center;
            justify-content: center;
            box-shadow: 0 6px 16px rgba(0,214,143,0.3);
        }

        .process-step h4 {
            font-size: 1.05rem;
            font-weight: 700;
            color: var(--text-strong);
            margin-bottom: 0.5rem;
        }

        .process-step p {
            font-size: 0.88rem;
            color: var(--text-weak);
            margin: 0;
            line-height: 1.6;
        }

        /* ============ Stats/Results ============ */
        .results-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 1.2rem;
        }

        .result-stat {
            background: var(--surface-alt);
            border-radius: var(--radius-md);
            padding: 1.8rem 1.5rem;
            text-align: center;
            border: 1px solid var(--border);
            transition: all var(--transition);
        }

        .result-stat:hover {
            box-shadow: var(--shadow-md);
            border-color: var(--accent);
            transform: translateY(-3px);
        }

        .result-stat .stat-value {
            font-size: 2.2rem;
            font-weight: 800;
            color: var(--primary);
            line-height: 1.2;
        }

        .result-stat .stat-label {
            font-size: 0.88rem;
            color: var(--text-weak);
            margin-top: 0.5rem;
        }

        .result-stat .stat-trend {
            font-size: 0.82rem;
            color: var(--accent-deep);
            font-weight: 600;
            display: inline-flex;
            align-items: center;
            gap: 0.3rem;
            margin-top: 0.4rem;
        }

        /* ============ Testimonials ============ */
        .testimonial-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 1.5rem;
        }

        .testimonial-card {
            background: var(--surface);
            border: 1px solid var(--border);
            border-radius: var(--radius-md);
            padding: 1.8rem;
            transition: all var(--transition);
        }

        .testimonial-card:hover {
            box-shadow: var(--shadow-md);
            border-color: var(--border-strong);
        }

        .testimonial-card .quote-icon {
            font-size: 1.8rem;
            color: var(--accent);
            margin-bottom: 0.8rem;
            opacity: 0.6;
        }

        .testimonial-card blockquote {
            font-size: 0.95rem;
            color: var(--text);
            line-height: 1.7;
            margin: 0 0 1.2rem;
            border: none;
            padding: 0;
            font-style: italic;
        }

        .testimonial-card .testimonial-author {
            display: flex;
            align-items: center;
            gap: 0.8rem;
        }

        .testimonial-card .author-avatar {
            width: 42px;
            height: 42px;
            border-radius: 50%;
            background: linear-gradient(135deg, var(--primary-mid), var(--accent));
            display: flex;
            align-items: center;
            justify-content: center;
            color: #FFFFFF;
            font-weight: 700;
            font-size: 0.9rem;
            flex-shrink: 0;
        }

        .testimonial-card .author-info h5 {
            font-size: 0.92rem;
            font-weight: 700;
            color: var(--text-strong);
            margin: 0;
        }

        .testimonial-card .author-info span {
            font-size: 0.78rem;
            color: var(--text-muted);
        }

        /* ============ FAQ ============ */
        .faq-list {
            max-width: 800px;
            margin: 0 auto;
        }

        .faq-item {
            background: var(--surface);
            border: 1px solid var(--border);
            border-radius: var(--radius-md);
            margin-bottom: 0.8rem;
            overflow: hidden;
            transition: all var(--transition);
        }

        .faq-item:hover {
            border-color: var(--border-strong);
        }

        .faq-item.active {
            border-color: var(--accent);
            box-shadow: var(--shadow-sm);
        }

        .faq-question {
            width: 100%;
            display: flex;
            align-items: center;
            justify-content: space-between;
            padding: 1.2rem 1.5rem;
            font-size: 1rem;
            font-weight: 600;
            color: var(--text-strong);
            background: none;
            border: none;
            text-align: left;
            transition: color var(--transition);
            gap: 1rem;
        }

        .faq-question:hover {
            color: var(--accent-deep);
        }

        .faq-question .faq-toggle {
            flex-shrink: 0;
            width: 28px;
            height: 28px;
            border-radius: 50%;
            background: var(--surface-alt);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 0.8rem;
            transition: all var(--transition);
        }

        .faq-item.active .faq-question .faq-toggle {
            background: var(--accent);
            color: var(--primary-deep);
            transform: rotate(45deg);
        }

        .faq-answer {
            max-height: 0;
            overflow: hidden;
            transition: max-height 0.35s ease, padding 0.35s ease;
            padding: 0 1.5rem;
        }

        .faq-item.active .faq-answer {
            max-height: 300px;
            padding: 0 1.5rem 1.2rem;
        }

        .faq-answer p {
            font-size: 0.92rem;
            color: var(--text-weak);
            margin: 0;
            line-height: 1.7;
        }

        /* ============ CTA ============ */
        .cta-band {
            background: linear-gradient(135deg, var(--primary-deep) 0%, var(--primary-mid) 60%, #1B3A6B 100%);
            color: #FFFFFF;
            border-radius: var(--radius-lg);
            overflow: hidden;
            position: relative;
        }

        .cta-band::before {
            content: '';
            position: absolute;
            top: -80px;
            right: -40px;
            width: 350px;
            height: 350px;
            border-radius: 50%;
            background: radial-gradient(circle, rgba(0,214,143,0.2) 0%, transparent 70%);
            pointer-events: none;
        }

        .cta-content {
            position: relative;
            z-index: 2;
            padding: 3.5rem;
            text-align: center;
        }

        .cta-content h2 {
            color: #FFFFFF;
            font-size: clamp(1.7rem, 3.5vw, 2.3rem);
            font-weight: 800;
            margin-bottom: 1rem;
            letter-spacing: -0.02em;
        }

        .cta-content p {
            color: #B8C5D8;
            font-size: 1.05rem;
            max-width: 560px;
            margin: 0 auto 2rem;
            line-height: 1.7;
        }

        .cta-buttons {
            display: flex;
            gap: 1rem;
            justify-content: center;
            flex-wrap: wrap;
        }

        .btn-primary {
            display: inline-flex;
            align-items: center;
            gap: 0.6rem;
            padding: 0.9rem 2rem;
            background: linear-gradient(135deg, var(--accent), var(--accent-deep));
            color: var(--primary-deep);
            font-weight: 700;
            font-size: 1rem;
            border-radius: var(--radius-full);
            transition: all var(--transition);
            box-shadow: 0 6px 20px rgba(0,214,143,0.3);
            border: none;
        }

        .btn-primary:hover {
            transform: translateY(-3px);
            box-shadow: 0 10px 30px rgba(0,214,143,0.45);
            color: var(--primary-deep);
        }

        .btn-secondary {
            display: inline-flex;
            align-items: center;
            gap: 0.6rem;
            padding: 0.9rem 2rem;
            background: rgba(255,255,255,0.08);
            color: #FFFFFF;
            font-weight: 600;
            font-size: 1rem;
            border-radius: var(--radius-full);
            border: 1px solid rgba(255,255,255,0.25);
            transition: all var(--transition);
        }

        .btn-secondary:hover {
            background: rgba(255,255,255,0.16);
            color: #FFFFFF;
            border-color: rgba(255,255,255,0.4);
            transform: translateY(-3px);
        }

        /* ============ Footer ============ */
        .site-footer {
            background: var(--primary-deep);
            color: #B8C5D8;
            padding: 3.5rem 0 1.5rem;
            margin-top: 0;
        }

        .footer-grid {
            display: grid;
            grid-template-columns: 2fr 1fr 1fr 1.2fr;
            gap: 2.5rem;
            margin-bottom: 2.5rem;
        }

        .footer-brand {
            display: flex;
            align-items: center;
            gap: 0.6rem;
            font-size: 1.2rem;
            font-weight: 700;
            color: #FFFFFF;
            margin-bottom: 1rem;
        }

        .footer-desc {
            font-size: 0.9rem;
            line-height: 1.7;
            max-width: 300px;
            margin: 0;
        }

        .footer-col h4 {
            color: #FFFFFF;
            font-size: 0.95rem;
            font-weight: 700;
            margin-bottom: 1.2rem;
        }

        .footer-col ul {
            list-style: none;
            margin: 0;
            padding: 0;
        }

        .footer-col ul li {
            margin-bottom: 0.6rem;
        }

        .footer-col ul li a {
            color: #B8C5D8;
            font-size: 0.88rem;
            transition: color var(--transition);
            display: inline-flex;
            align-items: center;
            gap: 0.3rem;
        }

        .footer-col ul li a:hover {
            color: var(--accent);
        }

        .footer-bottom {
            border-top: 1px solid rgba(255,255,255,0.1);
            padding-top: 1.2rem;
            display: flex;
            justify-content: space-between;
            align-items: center;
            flex-wrap: wrap;
            gap: 0.8rem;
            font-size: 0.8rem;
            color: #8B98A8;
        }

        .footer-bottom a {
            color: #B8C5D8;
            font-size: 0.8rem;
            transition: color var(--transition);
        }

        .footer-bottom a:hover {
            color: var(--accent);
        }

        /* ============ Responsive ============ */
        @media (max-width: 1024px) {
            .hero-live .hero-grid {
                grid-template-columns: 1fr;
                gap: 2.5rem;
            }
            .coverage-strip {
                grid-template-columns: repeat(2, 1fr);
                gap: 1.5rem;
            }
            .coverage-cards {
                grid-template-columns: repeat(2, 1fr);
            }
            .process-steps {
                grid-template-columns: repeat(2, 1fr);
                gap: 2rem;
            }
            .results-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .testimonial-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .solution-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .footer-grid {
                grid-template-columns: 1fr 1fr;
                gap: 2rem;
            }
        }

        @media (max-width: 768px) {
            body {
                padding-top: 76px;
            }
            .nav-toggle {
                display: block;
                font-size: 1.2rem;
            }
            .nav-capsule {
                padding: 0.4rem 0.5rem 0.4rem 1rem;
            }
            .nav-links {
                display: none;
                position: absolute;
                top: calc(100% + 0.5rem);
                left: 0;
                right: 0;
                background: #FFFFFF;
                border-radius: var(--radius-md);
                box-shadow: var(--shadow-lg);
                padding: 1rem;
                flex-direction: column;
                align-items: flex-start;
                gap: 0.3rem;
                z-index: 1001;
            }
            .nav-links.is-open {
                display: flex;
            }
            .nav-links a {
                width: 100%;
                padding: 0.7rem 1rem;
                font-size: 0.95rem;
            }
            .nav-links a.nav-cta {
                width: 100%;
                text-align: center;
                justify-content: center;
                margin-left: 0;
                margin-top: 0.5rem;
            }
            .section {
                padding: var(--space-lg) 0;
            }
            .pain-grid {
                grid-template-columns: 1fr;
                gap: 1.5rem;
            }
            .feature-highlight {
                grid-template-columns: 1fr;
                gap: 2rem;
            }
            .coverage-cards {
                grid-template-columns: 1fr;
            }
            .process-steps {
                grid-template-columns: 1fr;
                gap: 2.2rem;
            }
            .results-grid {
                grid-template-columns: repeat(2, 1fr);
                gap: 1rem;
            }
            .testimonial-grid {
                grid-template-columns: 1fr;
            }
            .solution-grid {
                grid-template-columns: 1fr;
            }
            .hero-form-panel .form-row {
                grid-template-columns: 1fr;
            }
            .cta-content {
                padding: 2.5rem 1.5rem;
            }
            .footer-grid {
                grid-template-columns: 1fr;
                gap: 1.5rem;
            }
            .footer-bottom {
                flex-direction: column;
                text-align: center;
                justify-content: center;
            }
        }

        @media (max-width: 520px) {
            .hero-live .hero-actions {
                flex-direction: column;
                align-items: flex-start;
            }
            .coverage-strip {
                grid-template-columns: 1fr 1fr;
            }
            .results-grid {
                grid-template-columns: 1fr;
            }
            .hero-form-panel {
                padding: 1.5rem;
            }
            .hero-live h1 {
                font-size: 1.7rem;
            }
            .section-title {
                font-size: 1.5rem;
            }
            .cta-content h2 {
                font-size: 1.5rem;
            }
        }

/* roulang page: category4 */
:root {
      --primary: #0F1F3D;
      --primary-deep: #0A1428;
      --primary-mid: #1B3A6B;
      --accent: #00D68F;
      --accent-deep: #00B878;
      --highlight: #FF6B35;
      --highlight-soft: #FF8A5C;
      --surface: #FFFFFF;
      --surface-alt: #F4F7FB;
      --surface-dark: #0E1B30;
      --text: #1A2A3D;
      --text-strong: #0D1B2A;
      --text-weak: #5C6B7A;
      --text-muted: #8B98A8;
      --border: #E2E9F2;
      --border-strong: #C9D6E5;
      --shadow-sm: 0 2px 8px rgba(10, 20, 40, 0.06);
      --shadow-md: 0 8px 28px rgba(10, 20, 40, 0.1);
      --shadow-lg: 0 18px 50px rgba(10, 20, 40, 0.16);
      --radius-sm: 8px;
      --radius-md: 14px;
      --radius-lg: 22px;
      --radius-xl: 32px;
      --radius-full: 999px;
      --space-xs: 0.5rem;
      --space-sm: 1rem;
      --space-md: 1.75rem;
      --space-lg: 3rem;
      --space-xl: 4.5rem;
      --space-xxl: 6rem;
      --font-family: "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", "Noto Sans CJK SC", "Helvetica Neue", Arial, sans-serif;
      --transition: 0.25s cubic-bezier(0.22, 0.61, 0.36, 1);
      --transition-slow: 0.45s cubic-bezier(0.22, 0.61, 0.36, 1);
    }
    html {
      scroll-behavior: smooth;
      -webkit-font-smoothing: antialiased;
      -moz-osx-font-smoothing: grayscale;
    }
    body {
      font-family: var(--font-family);
      font-size: 16px;
      line-height: 1.7;
      color: var(--text);
      background: var(--surface);
      overflow-x: hidden;
      padding-top: 6.2rem;
    }
    img {
      max-width: 100%;
      height: auto;
      display: block;
      border: 0;
    }
    a {
      color: var(--primary-mid);
      text-decoration: none;
      transition: color var(--transition);
    }
    a:hover,
    a:focus {
      color: var(--accent-deep);
      text-decoration: none;
    }
    a:focus-visible,
    button:focus-visible,
    input:focus-visible,
    select:focus-visible,
    textarea:focus-visible {
      outline: 3px solid rgba(0, 214, 143, 0.5);
      outline-offset: 2px;
      border-radius: 4px;
    }
    button {
      cursor: pointer;
      font-family: inherit;
      font-size: inherit;
      border: none;
      background: none;
    }
    .container {
      max-width: 1200px;
      margin: 0 auto;
      padding: 0 var(--space-md);
    }
    .container-narrow {
      max-width: 860px;
      margin: 0 auto;
      padding: 0 var(--space-md);
    }
    .section {
      padding: var(--space-xl) 0;
      position: relative;
    }
    .section--tight { padding: var(--space-lg) 0; }
    .section--alt { background: var(--surface-alt); }
    .section--dark { background: var(--surface-dark); color: #E8EDF5; }
    .section--dark h2, .section--dark h3 { color: #FFFFFF; }
    .section--dark p { color: #B8C5D8; }
    .section-label {
      display: inline-flex;
      align-items: center;
      gap: 0.5rem;
      font-size: 0.82rem;
      font-weight: 600;
      letter-spacing: 0.06em;
      text-transform: uppercase;
      color: var(--accent-deep);
      background: rgba(0, 214, 143, 0.1);
      padding: 0.4rem 1rem;
      border-radius: var(--radius-full);
      margin-bottom: var(--space-sm);
    }
    .section-title,
    .hero-title,
    .section-head h2,
    .cta-panel h2 {
      font-size: clamp(1.7rem, 3.8vw, 2.5rem);
      font-weight: 800;
      margin-bottom: var(--space-sm);
      letter-spacing: -0.02em;
      color: var(--text-strong);
    }
    .section-desc {
      font-size: 1.05rem;
      color: var(--text-weak);
      max-width: 680px;
      margin-bottom: var(--space-lg);
      line-height: 1.8;
    }
    .section-head {
      max-width: 760px;
      margin-bottom: var(--space-lg);
    }
    .section-head.light h2 { color: #fff; }
    .section-head.light .section-desc { color: #B8C5D8; }
    .section-label.inverted {
      color: #00EAA5;
      background: rgba(0, 214, 143, 0.15);
    }
    .text-center { text-align: center; }
    /* ============ Header / Nav ============ */
    .site-header {
      position: fixed;
      top: 0;
      left: 0;
      right: 0;
      z-index: 1000;
      padding: 0.9rem 0;
      transition: all var(--transition);
    }
    .site-header.scrolled {
      background: rgba(255, 255, 255, 0.96);
      backdrop-filter: blur(16px);
      -webkit-backdrop-filter: blur(16px);
      box-shadow: 0 4px 24px rgba(10, 20, 40, 0.1);
      padding: 0.5rem 0;
    }
    .nav-capsule {
      display: flex;
      align-items: center;
      justify-content: space-between;
      background: rgba(255, 255, 255, 0.88);
      backdrop-filter: blur(14px);
      -webkit-backdrop-filter: blur(14px);
      border: 1px solid rgba(255, 255, 255, 0.6);
      border-radius: var(--radius-full);
      padding: 0.45rem 0.6rem 0.45rem 1.4rem;
      box-shadow: var(--shadow-md);
      transition: all var(--transition);
      gap: 0.6rem;
    }
    .nav-logo {
      display: flex;
      align-items: center;
      gap: 0.6rem;
      font-weight: 800;
      font-size: 1.2rem;
      color: var(--text-strong);
      white-space: nowrap;
      letter-spacing: -0.01em;
    }
    .nav-logo:hover, .nav-logo:focus { color: var(--text-strong); }
    .nav-logo-icon {
      width: 38px;
      height: 38px;
      background: linear-gradient(135deg, var(--accent), #00A8CC);
      border-radius: 50%;
      display: flex;
      align-items: center;
      justify-content: center;
      color: #fff;
      font-size: 1.1rem;
      box-shadow: 0 4px 12px rgba(0, 168, 204, 0.22);
    }
    .nav-links {
      display: flex;
      align-items: center;
      gap: 0.25rem;
      list-style: none;
      margin: 0;
      padding: 0;
    }
    .nav-links li a {
      display: inline-flex;
      align-items: center;
      gap: 0.35rem;
      padding: 0.5rem 0.9rem;
      border-radius: var(--radius-full);
      font-size: 0.94rem;
      font-weight: 500;
      color: var(--text);
      transition: all var(--transition);
      white-space: nowrap;
    }
    .nav-links li a:hover,
    .nav-links li a:focus {
      background: rgba(15, 31, 61, 0.05);
      color: var(--primary-mid);
    }
    .nav-links li a.active {
      background: var(--primary);
      color: #fff;
      box-shadow: 0 6px 14px rgba(15, 31, 61, 0.2);
    }
    .nav-cta {
      background: linear-gradient(135deg, var(--accent), #00B894);
      color: #fff !important;
      font-weight: 700;
      margin-left: 0.4rem;
      box-shadow: 0 8px 20px rgba(0, 214, 143, 0.25);
    }
    .nav-cta:hover, .nav-cta:focus {
      background: linear-gradient(135deg, var(--accent-deep), #00A07A) !important;
      color: #fff !important;
      transform: translateY(-1px);
    }
    .nav-toggle {
      display: none;
      width: 42px;
      height: 42px;
      border-radius: 50%;
      background: var(--primary);
      color: #fff;
      font-size: 1.1rem;
      align-items: center;
      justify-content: center;
    }
    /* ============ Buttons ============ */
    .btn {
      display: inline-flex;
      align-items: center;
      justify-content: center;
      gap: 0.5rem;
      font-weight: 700;
      font-size: 1rem;
      padding: 0.8rem 1.5rem;
      border-radius: var(--radius-full);
      transition: all var(--transition);
      border: none;
      text-align: center;
      white-space: normal;
    }
    .btn-primary {
      background: var(--primary);
      color: #fff;
      box-shadow: 0 8px 20px rgba(15, 31, 61, 0.18);
    }
    .btn-primary:hover, .btn-primary:focus {
      background: var(--primary-mid);
      color: #fff;
      transform: translateY(-2px);
      box-shadow: 0 12px 26px rgba(15, 31, 61, 0.25);
    }
    .btn-ghost {
      background: transparent;
      color: var(--primary-mid);
      border: 1.5px solid var(--border-strong);
      box-shadow: none;
    }
    .btn-ghost:hover, .btn-ghost:focus {
      background: rgba(15, 31, 61, 0.04);
      color: var(--primary-mid);
      border-color: var(--primary-mid);
    }
    .btn-highlight {
      background: linear-gradient(135deg, var(--highlight), var(--highlight-soft));
      color: #fff;
      box-shadow: 0 10px 22px rgba(255, 107, 53, 0.22);
    }
    .btn-highlight:hover, .btn-highlight:focus {
      background: linear-gradient(135deg, #E9541F, #FF7A45);
      color: #fff;
      transform: translateY(-2px);
    }
    .btn-lg {
      padding: 1rem 1.9rem;
      font-size: 1.05rem;
    }
    .btn-block {
      width: 100%;
      display: flex;
    }
    /* ============ Hero ============ */
    .hero-section {
      padding: 4.5rem 0 5rem;
      background: radial-gradient(circle at 80% 20%, rgba(0, 214, 143, 0.06), transparent 30%),
        radial-gradient(circle at 20% 80%, rgba(27, 58, 107, 0.06), transparent 30%),
        var(--surface);
      overflow: hidden;
    }
    .hero-copy {
      padding-right: 1rem;
    }
    .hero-copy .section-label {
      margin-bottom: 1rem;
    }
    .hero-copy h1 {
      font-size: clamp(2.2rem, 5vw, 3.4rem);
      line-height: 1.2;
      margin-bottom: 1.5rem;
      color: var(--text-strong);
      font-weight: 800;
    }
    .hero-lead {
      font-size: 1.1rem;
      color: var(--text-weak);
      line-height: 1.85;
      max-width: 600px;
      margin-bottom: 1.8rem;
    }
    .hero-actions {
      display: flex;
      flex-wrap: wrap;
      gap: 0.9rem;
      margin-bottom: 2rem;
    }
    .hero-meta {
      display: flex;
      flex-wrap: wrap;
      gap: 0.7rem 1.2rem;
      color: var(--text-weak);
      font-size: 0.95rem;
    }
    .hero-meta span {
      display: inline-flex;
      align-items: center;
      gap: 0.35rem;
      white-space: nowrap;
    }
    .hero-meta i {
      color: var(--accent-deep);
    }
    .hero-voucher-wrap {
      position: relative;
      max-width: 420px;
      margin: 0 auto;
    }
    .voucher-card {
      background: #fff;
      border-radius: var(--radius-lg);
      box-shadow: var(--shadow-lg);
      padding: 1.8rem;
      border: 1px solid rgba(0, 214, 143, 0.2);
      position: relative;
      transition: transform var(--transition-slow);
    }
    .voucher-card:hover {
      transform: translateY(-5px);
      box-shadow: 0 24px 60px rgba(10, 20, 40, 0.18);
    }
    .voucher-tag {
      display: inline-block;
      background: rgba(0, 214, 143, 0.12);
      color: #008C5E;
      font-weight: 700;
      font-size: 0.8rem;
      padding: 0.3rem 0.9rem;
      border-radius: var(--radius-full);
      letter-spacing: 0.04em;
      margin-bottom: 1.2rem;
    }
    .voucher-head {
      display: flex;
      align-items: center;
      gap: 1rem;
      margin-bottom: 1.4rem;
    }
    .voucher-icon {
      width: 58px;
      height: 58px;
      background: linear-gradient(135deg, #FF6B35, #FFA96C);
      border-radius: var(--radius-md);
      display: flex;
      align-items: center;
      justify-content: center;
      color: #fff;
      font-size: 1.5rem;
    }
    .voucher-title {
      font-size: 1.3rem;
      font-weight: 800;
      color: var(--text-strong);
      line-height: 1.3;
    }
    .voucher-body p {
      color: var(--text-weak);
      margin-bottom: 0.8rem;
      font-weight: 600;
    }
    .voucher-body ul {
      list-style: none;
      margin: 0 0 1.5rem;
      padding: 0;
    }
    .voucher-body li {
      display: flex;
      align-items: center;
      gap: 0.5rem;
      color: var(--text);
      padding: 0.45rem 0;
      border-bottom: 1px dashed var(--border);
    }
    .voucher-body li:last-child {
      border-bottom: none;
    }
    .voucher-body li i {
      color: var(--accent-deep);
      font-size: 0.9rem;
    }
    .voucher-badge {
      position: absolute;
      top: -12px;
      right: 18px;
      background: var(--highlight);
      color: #fff;
      font-weight: 700;
      font-size: 0.75rem;
      padding: 0.35rem 0.9rem;
      border-radius: var(--radius-full);
      box-shadow: 0 8px 18px rgba(255, 107, 53, 0.3);
      letter-spacing: 0.03em;
    }
    /* ============ Pain Section ============ */
    .pain-card,
    .feature-card,
    .testimonial-card,
    .process-card {
      background: #fff;
      border-radius: var(--radius-md);
      padding: 1.8rem;
      height: 100%;
      box-shadow: var(--shadow-sm);
      border: 1px solid var(--border);
      transition: all var(--transition);
    }
    .pain-card:hover,
    .feature-card:hover,
    .process-card:hover {
      box-shadow: var(--shadow-md);
      transform: translateY(-3px);
    }
    .pain-icon,
    .feature-icon,
    .process-icon {
      width: 54px;
      height: 54px;
      border-radius: var(--radius-md);
      display: flex;
      align-items: center;
      justify-content: center;
      font-size: 1.4rem;
      margin-bottom: 1.2rem;
    }
    .pain-icon {
      background: rgba(255, 107, 53, 0.12);
      color: var(--highlight);
    }
    .feature-icon {
      background: rgba(0, 214, 143, 0.12);
      color: #009E6C;
    }
    .process-icon {
      background: rgba(27, 58, 107, 0.1);
      color: var(--primary-mid);
    }
    .pain-card h3,
    .feature-card h3,
    .testimonial-card h3,
    .process-card h3 {
      font-size: 1.2rem;
      font-weight: 700;
      color: var(--text-strong);
      margin-bottom: 0.7rem;
    }
    .pain-card p,
    .feature-card p,
    .process-card p {
      color: var(--text-weak);
      margin-bottom: 0;
    }
    /* ============ Solution ============ */
    .solution-figure {
      margin: 0;
      position: relative;
      border-radius: var(--radius-lg);
      overflow: hidden;
      box-shadow: var(--shadow-lg);
    }
    .solution-figure img {
      width: 100%;
      object-fit: cover;
      aspect-ratio: 4/3;
    }
    .solution-figure figcaption {
      position: absolute;
      left: 0;
      right: 0;
      bottom: 0;
      padding: 1.2rem 1.5rem;
      background: linear-gradient(to top, rgba(10, 20, 40, 0.85), rgba(10, 20, 40, 0));
      color: #E8EDF5;
      font-size: 0.9rem;
    }
    .check-list {
      list-style: none;
      margin: 1.5rem 0 0;
      padding: 0;
    }
    .check-list li {
      display: flex;
      align-items: flex-start;
      gap: 0.7rem;
      margin-bottom: 0.9rem;
      color: var(--text-weak);
      line-height: 1.7;
    }
    .check-list li i {
      color: var(--accent-deep);
      margin-top: 0.2rem;
    }
    /* ============ Capability / Feature ============ */
    .feature-grid .cell,
    .pain-grid .cell,
    .testimonial-grid .cell,
    .process-grid .cell,
    .report-grid .cell {
      margin-bottom: 1.5rem;
    }
    /* ============ Report Deep ============ */
    .report-copy {
      margin-bottom: 1.5rem;
    }
    .report-card {
      background: #fff;
      border-radius: var(--radius-lg);
      box-shadow: var(--shadow-md);
      padding: 1.8rem;
      border: 1px solid var(--border);
      height: 100%;
    }
    .report-card h3 {
      font-size: 1.3rem;
      font-weight: 700;
      color: var(--text-strong);
      margin-bottom: 1rem;
    }
    .report-card ul {
      list-style: none;
      margin: 0 0 1.5rem;
      padding: 0;
    }
    .report-card li {
      display: flex;
      justify-content: space-between;
      align-items: center;
      gap: 1rem;
      padding: 0.7rem 0;
      border-bottom: 1px dashed var(--border);
      color: var(--text-weak);
    }
    .report-card li strong {
      color: var(--text-strong);
      font-weight: 700;
    }
    .report-tag {
      background: rgba(0, 214, 143, 0.1);
      color: #009E6C;
      font-weight: 700;
      font-size: 0.8rem;
      padding: 0.3rem 0.8rem;
      border-radius: var(--radius-full);
    }
    /* ============ Stats / Outcome ============ */
    .stats-block {
      margin-bottom: 1.5rem;
    }
    .stat-number {
      font-size: 2.4rem;
      font-weight: 800;
      color: #00D68F;
      line-height: 1.2;
    }
    .stat-label {
      color: #B8C5D8;
      font-weight: 500;
      margin-top: 0.4rem;
    }
    /* ============ Testimonial ============ */
    .testimonial-card {
      background: #fff;
      border-radius: var(--radius-md);
      padding: 1.8rem;
      box-shadow: var(--shadow-sm);
      border: 1px solid var(--border);
      transition: all var(--transition);
      height: 100%;
    }
    .testimonial-card:hover {
      box-shadow: var(--shadow-md);
      transform: translateY(-3px);
    }
    .testimonial-head {
      display: flex;
      align-items: center;
      gap: 0.9rem;
      margin-bottom: 1.2rem;
    }
    .testimonial-avatar {
      width: 48px;
      height: 48px;
      border-radius: 50%;
      background: linear-gradient(135deg, var(--primary-mid), #334D80);
      color: #fff;
      display: flex;
      align-items: center;
      justify-content: center;
      font-weight: 700;
      font-size: 1.1rem;
    }
    .testimonial-info strong {
      display: block;
      color: var(--text-strong);
      font-weight: 700;
    }
    .testimonial-info span {
      color: var(--text-muted);
      font-size: 0.85rem;
    }
    .testimonial-card p {
      color: var(--text-weak);
      margin-bottom: 0;
      line-height: 1.75;
    }
    /* ============ Process ============ */
    .process-step-num {
      display: inline-flex;
      width: 32px;
      height: 32px;
      border-radius: 50%;
      background: var(--primary);
      color: #fff;
      align-items: center;
      justify-content: center;
      font-weight: 800;
      font-size: 0.95rem;
      margin-bottom: 1rem;
    }
    /* ============ FAQ ============ */
    .faq-list {
      max-width: 860px;
      margin: 0 auto;
    }
    .faq-item {
      background: #fff;
      border: 1px solid var(--border);
      border-radius: var(--radius-md);
      margin-bottom: 0.8rem;
      overflow: hidden;
      box-shadow: var(--shadow-sm);
      transition: all var(--transition);
    }
    .faq-item:hover {
      border-color: var(--border-strong);
    }
    .faq-item summary {
      cursor: pointer;
      padding: 1.3rem 1.5rem;
      font-weight: 700;
      color: var(--text-strong);
      display: flex;
      justify-content: space-between;
      align-items: center;
      list-style: none;
    }
    .faq-item summary::marker,
    .faq-item summary::-webkit-details-marker {
      display: none;
    }
    .faq-item summary i {
      color: var(--accent-deep);
      transition: transform var(--transition);
    }
    .faq-item[open] summary i {
      transform: rotate(180deg);
    }
    .faq-item .faq-answer {
      padding: 0 1.5rem 1.3rem;
      color: var(--text-weak);
      line-height: 1.8;
    }
    /* ============ CTA / Form ============ */
    .cta-panel {
      background: var(--surface-dark);
      color: #E8EDF5;
      border-radius: var(--radius-xl);
      padding: 3rem;
      box-shadow: var(--shadow-lg);
      position: relative;
      overflow: hidden;
    }
    .cta-panel::after {
      content: "";
      position: absolute;
      right: -40px;
      top: -40px;
      width: 260px;
      height: 260px;
      background: radial-gradient(circle, rgba(0, 214, 143, 0.15), transparent 65%);
      border-radius: 50%;
      pointer-events: none;
    }
    .cta-panel h2 {
      color: #fff;
      margin-bottom: 1rem;
    }
    .cta-panel p {
      color: #B8C5D8;
      margin-bottom: 2rem;
    }
    .apply-form label {
      color: #B8C5D8;
      font-weight: 600;
      font-size: 0.9rem;
      margin-bottom: 0.4rem;
    }
    .apply-form input,
    .apply-form select {
      background: rgba(255, 255, 255, 0.06);
      border: 1px solid rgba(255, 255, 255, 0.15);
      border-radius: var(--radius-sm);
      color: #fff;
      padding: 0.8rem 1rem;
      font-size: 0.98rem;
      width: 100%;
      margin-bottom: 1rem;
      transition: all var(--transition);
    }
    .apply-form input::placeholder {
      color: #8B98A8;
    }
    .apply-form input:focus,
    .apply-form select:focus {
      outline: none;
      border-color: rgba(0, 214, 143, 0.6);
      background: rgba(255, 255, 255, 0.1);
      box-shadow: 0 0 0 3px rgba(0, 214, 143, 0.15);
    }
    .form-note {
      margin-top: 1rem;
      font-size: 0.85rem;
      color: #7D8CA0;
    }
    /* ============ Footer ============ */
    .site-footer {
      background: var(--surface-dark);
      color: #B8C5D8;
      padding: 4rem 0 2rem;
      border-top: 1px solid rgba(255, 255, 255, 0.05);
    }
    .footer-grid {
      display: grid;
      grid-template-columns: 1.5fr 1fr 1fr 1.2fr;
      gap: 2rem;
      margin-bottom: 2.5rem;
    }
    .footer-brand {
      display: flex;
      align-items: center;
      gap: 0.7rem;
      font-size: 1.2rem;
      font-weight: 800;
      color: #fff;
      margin-bottom: 1rem;
    }
    .footer-desc {
      font-size: 0.95rem;
      color: #8B98A8;
      max-width: 320px;
      line-height: 1.8;
    }
    .footer-col h4 {
      color: #fff;
      font-weight: 700;
      font-size: 1rem;
      margin-bottom: 1rem;
    }
    .footer-col ul {
      list-style: none;
      margin: 0;
      padding: 0;
    }
    .footer-col li {
      margin-bottom: 0.6rem;
    }
    .footer-col a {
      color: #B8C5D8;
      font-size: 0.95rem;
      transition: color var(--transition);
    }
    .footer-col a:hover,
    .footer-col a:focus {
      color: #00D68F;
    }
    .footer-bottom {
      border-top: 1px solid rgba(255, 255, 255, 0.08);
      padding-top: 1.5rem;
      display: flex;
      flex-wrap: wrap;
      justify-content: space-between;
      align-items: center;
      gap: 0.8rem;
      font-size: 0.85rem;
      color: #7D8CA0;
    }
    .footer-bottom a {
      color: #7D8CA0;
      margin-left: 0.4rem;
    }
    .footer-bottom a:hover {
      color: #00D68F;
    }
    /* ============ Responsive ============ */
    @media screen and (max-width: 1024px) {
      .nav-links li a {
        padding: 0.45rem 0.6rem;
        font-size: 0.88rem;
      }
      .footer-grid {
        grid-template-columns: 1fr 1fr;
      }
    }
    @media screen and (max-width: 768px) {
      body {
        padding-top: 5.2rem;
      }
      .hero-section {
        padding: 3rem 0 4rem;
      }
      .hero-copy h1 {
        font-size: 2rem;
      }
      .hero-copy {
        margin-bottom: 2rem;
      }
      .nav-links {
        display: none;
        position: absolute;
        top: 74px;
        left: 1rem;
        right: 1rem;
        background: #fff;
        border-radius: var(--radius-md);
        box-shadow: var(--shadow-lg);
        flex-direction: column;
        align-items: stretch;
        padding: 1rem;
        border: 1px solid var(--border);
      }
      .nav-links.show {
        display: flex;
      }
      .nav-links li a {
        padding: 0.7rem 1rem;
        font-size: 1rem;
        border-radius: var(--radius-sm);
      }
      .nav-toggle {
        display: flex;
      }
      .nav-capsule {
        padding: 0.4rem 0.5rem 0.4rem 1rem;
      }
      .cta-panel {
        padding: 2rem 1.2rem;
      }
      .footer-grid {
        grid-template-columns: 1fr;
      }
    }
    @media screen and (max-width: 520px) {
      .hero-actions .btn {
        width: 100%;
      }
      .hero-meta {
        flex-direction: column;
        gap: 0.4rem;
      }
      .cta-panel {
        padding: 1.5rem 0.9rem;
      }
      .apply-form .cell {
        margin-bottom: 0.4rem;
      }
    }

/* roulang page: category5 */
:root {
        --primary: #0F1F3D;
        --primary-deep: #0A1428;
        --primary-mid: #1B3A6B;
        --accent: #00D68F;
        --accent-deep: #00B878;
        --highlight: #FF6B35;
        --highlight-soft: #FF8A5C;
        --surface: #FFFFFF;
        --surface-alt: #F4F7FB;
        --surface-dark: #0E1B30;
        --text: #1A2A3D;
        --text-strong: #0D1B2A;
        --text-weak: #5C6B7A;
        --text-muted: #8B98A8;
        --border: #E2E9F2;
        --border-strong: #C9D6E5;
        --shadow-sm: 0 2px 8px rgba(10, 20, 40, 0.06);
        --shadow-md: 0 8px 28px rgba(10, 20, 40, 0.1);
        --shadow-lg: 0 18px 50px rgba(10, 20, 40, 0.16);
        --radius-sm: 8px;
        --radius-md: 14px;
        --radius-lg: 22px;
        --radius-xl: 32px;
        --radius-full: 999px;
        --space-xs: 0.5rem;
        --space-sm: 1rem;
        --space-md: 1.75rem;
        --space-lg: 3rem;
        --space-xl: 4.5rem;
        --space-xxl: 6rem;
        --font-family: "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", "Noto Sans CJK SC", "Helvetica Neue", Arial, sans-serif;
        --transition: 0.25s cubic-bezier(0.22, 0.61, 0.36, 1);
        --transition-slow: 0.45s cubic-bezier(0.22, 0.61, 0.36, 1);
    }

    html {
        scroll-behavior: smooth;
        -webkit-font-smoothing: antialiased;
        -moz-osx-font-smoothing: grayscale;
    }

    body {
        font-family: var(--font-family);
        font-size: 16px;
        line-height: 1.7;
        color: var(--text);
        background: var(--surface);
        overflow-x: hidden;
    }

    img {
        max-width: 100%;
        height: auto;
        display: block;
        border: 0;
    }

    a {
        color: var(--primary-mid);
        text-decoration: none;
        transition: color var(--transition);
    }

    a:hover,
    a:focus {
        color: var(--accent-deep);
        text-decoration: none;
    }

    a:focus-visible,
    button:focus-visible,
    input:focus-visible,
    select:focus-visible,
    textarea:focus-visible {
        outline: 3px solid rgba(0, 214, 143, 0.5);
        outline-offset: 2px;
        border-radius: 4px;
    }

    button {
        cursor: pointer;
        font-family: inherit;
        font-size: inherit;
        border: none;
        background: none;
    }

    .container {
        max-width: 1200px;
        margin: 0 auto;
        padding: 0 var(--space-md);
    }

    .container-narrow {
        max-width: 860px;
        margin: 0 auto;
        padding: 0 var(--space-md);
    }

    .section {
        padding: var(--space-xl) 0;
        position: relative;
    }

    .section--tight {
        padding: var(--space-lg) 0;
    }

    .section--alt {
        background: var(--surface-alt);
    }

    .section--dark {
        background: var(--surface-dark);
        color: #E8EDF5;
    }

    .section--dark h2,
    .section--dark h3 {
        color: #FFFFFF;
    }

    .section--dark p {
        color: #B8C5D8;
    }

    .section-label {
        display: inline-flex;
        align-items: center;
        gap: 0.5rem;
        font-size: 0.82rem;
        font-weight: 600;
        letter-spacing: 0.06em;
        text-transform: uppercase;
        color: var(--accent-deep);
        background: rgba(0, 214, 143, 0.1);
        padding: 0.4rem 1rem;
        border-radius: var(--radius-full);
        margin-bottom: var(--space-sm);
    }

    .section-title {
        font-size: clamp(1.7rem, 3.8vw, 2.5rem);
        font-weight: 800;
        margin-bottom: var(--space-sm);
        letter-spacing: -0.02em;
    }

    .section-desc {
        font-size: 1.05rem;
        color: var(--text-weak);
        max-width: 680px;
        margin-bottom: var(--space-lg);
        line-height: 1.8;
    }

    /* ============ Header / Nav ============ */
    .site-header {
        position: fixed;
        top: 0;
        left: 0;
        right: 0;
        z-index: 1000;
        padding: 0.9rem 0;
        transition: all var(--transition);
    }

    .site-header.scrolled {
        background: rgba(255, 255, 255, 0.95);
        backdrop-filter: blur(16px);
        -webkit-backdrop-filter: blur(16px);
        box-shadow: 0 4px 24px rgba(10, 20, 40, 0.1);
        padding: 0.5rem 0;
    }

    .nav-capsule {
        display: flex;
        align-items: center;
        justify-content: space-between;
        background: rgba(255, 255, 255, 0.88);
        backdrop-filter: blur(14px);
        -webkit-backdrop-filter: blur(14px);
        border: 1px solid rgba(255, 255, 255, 0.6);
        border-radius: var(--radius-full);
        padding: 0.45rem 0.6rem 0.45rem 1.4rem;
        box-shadow: var(--shadow-md);
        transition: all var(--transition);
    }

    .nav-logo {
        display: flex;
        align-items: center;
        gap: 0.6rem;
        font-weight: 800;
        font-size: 1.2rem;
        color: var(--text-strong);
        white-space: nowrap;
        letter-spacing: -0.01em;
    }

    .nav-logo:hover,
    .nav-logo:focus {
        color: var(--text-strong);
    }

    .nav-logo-icon {
        width: 38px;
        height: 38px;
        background: linear-gradient(135deg, var(--accent), #00A8CC);
        border-radius: 50%;
        display: flex;
        align-items: center;
        justify-content: center;
        font-size: 0.85rem;
        color: var(--primary-deep);
        flex-shrink: 0;
    }

    .nav-toggle {
        display: none;
        width: 42px;
        height: 42px;
        border-radius: 50%;
        background: var(--surface-alt);
        align-items: center;
        justify-content: center;
        font-size: 1.1rem;
        color: var(--primary);
        transition: all var(--transition);
    }

    .nav-toggle:hover {
        background: rgba(0, 214, 143, 0.15);
        color: var(--accent-deep);
    }

    .nav-links {
        display: flex;
        align-items: center;
        gap: 0.25rem;
        list-style: none;
        margin: 0;
        padding: 0;
    }

    .nav-links li a {
        display: flex;
        align-items: center;
        gap: 0.4rem;
        padding: 0.5rem 0.9rem;
        border-radius: var(--radius-full);
        font-size: 0.92rem;
        font-weight: 500;
        color: var(--text-weak);
        white-space: nowrap;
        transition: all var(--transition);
    }

    .nav-links li a:hover {
        color: var(--primary);
        background: rgba(15, 31, 61, 0.06);
    }

    .nav-links li a.active {
        color: #fff;
        background: linear-gradient(135deg, var(--primary), var(--primary-mid));
        box-shadow: 0 4px 14px rgba(15, 31, 61, 0.25);
    }

    .nav-links li a.nav-cta {
        background: linear-gradient(135deg, var(--accent), var(--accent-deep));
        color: var(--primary-deep);
        font-weight: 700;
        box-shadow: 0 4px 14px rgba(0, 214, 143, 0.3);
    }

    .nav-links li a.nav-cta:hover {
        transform: translateY(-1px);
        box-shadow: 0 6px 20px rgba(0, 214, 143, 0.4);
        color: var(--primary-deep);
    }

    /* ============ Hero ============ */
    .hero-expert {
        padding: calc(var(--space-xxl) + 4rem) 0 var(--space-xl);
        background: var(--surface);
        position: relative;
        overflow: hidden;
    }

    .hero-expert::before {
        content: "";
        position: absolute;
        top: -20%;
        right: -15%;
        width: 500px;
        height: 500px;
        background: radial-gradient(circle, rgba(0, 214, 143, 0.12), transparent 70%);
        border-radius: 50%;
        pointer-events: none;
    }

    .hero-expert::after {
        content: "";
        position: absolute;
        bottom: -30%;
        left: -15%;
        width: 400px;
        height: 400px;
        background: radial-gradient(circle, rgba(27, 58, 107, 0.1), transparent 70%);
        border-radius: 50%;
        pointer-events: none;
    }

    .hero-expert .container {
        position: relative;
        z-index: 2;
    }

    .hero-grid {
        display: grid;
        grid-template-columns: 1.05fr 0.95fr;
        gap: 3.5rem;
        align-items: center;
    }

    .hero-content .hero-label {
        display: inline-flex;
        align-items: center;
        gap: 0.5rem;
        background: rgba(0, 214, 143, 0.12);
        color: var(--primary);
        font-weight: 600;
        font-size: 0.85rem;
        padding: 0.45rem 1.1rem;
        border-radius: var(--radius-full);
        margin-bottom: 1.4rem;
        letter-spacing: 0.04em;
    }

    .hero-content h1 {
        font-size: clamp(2rem, 5vw, 3.4rem);
        font-weight: 800;
        letter-spacing: -0.03em;
        color: var(--text-strong);
        line-height: 1.18;
        margin-bottom: 1rem;
    }

    .hero-content h1 .highlight-text {
        background: linear-gradient(135deg, var(--accent-deep), #00A8CC);
        -webkit-background-clip: text;
        background-clip: text;
        color: transparent;
    }

    .hero-subtitle {
        font-size: 1.1rem;
        color: var(--text-weak);
        line-height: 1.85;
        margin-bottom: 1.5rem;
        max-width: 520px;
    }

    .hero-points {
        list-style: none;
        margin: 0 0 2rem;
        padding: 0;
        display: grid;
        gap: 0.7rem;
    }

    .hero-points li {
        display: flex;
        align-items: flex-start;
        gap: 0.7rem;
        font-size: 0.98rem;
        color: var(--text);
        line-height: 1.6;
    }

    .hero-points li i {
        color: var(--accent-deep);
        font-size: 1.05rem;
        margin-top: 0.15rem;
        flex-shrink: 0;
    }

    .hero-actions {
        display: flex;
        flex-wrap: wrap;
        gap: 0.9rem;
        margin-bottom: 1.6rem;
    }

    .btn {
        display: inline-flex;
        align-items: center;
        justify-content: center;
        gap: 0.6rem;
        font-weight: 700;
        font-size: 0.98rem;
        padding: 0.85rem 1.8rem;
        border-radius: var(--radius-full);
        transition: all var(--transition);
        border: none;
        white-space: nowrap;
    }

    .btn-primary {
        background: linear-gradient(135deg, var(--primary), var(--primary-mid));
        color: #fff;
        box-shadow: 0 8px 22px rgba(15, 31, 61, 0.28);
    }

    .btn-primary:hover,
    .btn-primary:focus {
        transform: translateY(-2px);
        box-shadow: 0 12px 30px rgba(15, 31, 61, 0.35);
        color: #fff;
    }

    .btn-accent {
        background: linear-gradient(135deg, var(--accent), var(--accent-deep));
        color: var(--primary-deep);
        box-shadow: 0 8px 22px rgba(0, 214, 143, 0.3);
    }

    .btn-accent:hover,
    .btn-accent:focus {
        transform: translateY(-2px);
        box-shadow: 0 12px 30px rgba(0, 214, 143, 0.42);
        color: var(--primary-deep);
    }

    .btn-outline {
        background: transparent;
        color: var(--primary);
        border: 1.5px solid var(--border-strong);
    }

    .btn-outline:hover,
    .btn-outline:focus {
        border-color: var(--accent);
        color: var(--accent-deep);
        background: rgba(0, 214, 143, 0.06);
    }

    .trust-strip {
        display: flex;
        flex-wrap: wrap;
        align-items: center;
        gap: 1.4rem;
        font-size: 0.85rem;
        color: var(--text-muted);
    }

    .trust-strip span {
        display: inline-flex;
        align-items: center;
        gap: 0.45rem;
    }

    .trust-strip i {
        color: var(--accent-deep);
    }

    .hero-visual {
        position: relative;
    }

    .hero-image-card {
        position: relative;
        border-radius: var(--radius-lg);
        overflow: hidden;
        box-shadow: var(--shadow-lg);
        border: 4px solid #fff;
        height: 100%;
        min-height: 380px;
    }

    .hero-image-card img {
        width: 100%;
        height: 100%;
        object-fit: cover;
        transition: transform 0.7s ease;
    }

    .hero-image-card::after {
        content: "";
        position: absolute;
        inset: 0;
        background: linear-gradient(180deg, rgba(10, 20, 40, 0.05) 0%, rgba(10, 20, 40, 0.55) 100%);
        pointer-events: none;
    }

    .hero-image-card:hover img {
        transform: scale(1.04);
    }

    .hero-stat-float {
        position: absolute;
        bottom: 1.4rem;
        left: 1.4rem;
        right: 1.4rem;
        display: flex;
        gap: 1rem;
        align-items: center;
        background: rgba(255, 255, 255, 0.94);
        backdrop-filter: blur(12px);
        -webkit-backdrop-filter: blur(12px);
        border-radius: var(--radius-md);
        padding: 1rem 1.4rem;
        box-shadow: var(--shadow-md);
        z-index: 3;
    }

    .hero-stat-float .stat-item {
        flex: 1;
        text-align: center;
    }

    .hero-stat-float .stat-value {
        font-size: 1.35rem;
        font-weight: 800;
        color: var(--primary);
        line-height: 1.2;
    }

    .hero-stat-float .stat-label {
        font-size: 0.75rem;
        color: var(--text-muted);
        white-space: nowrap;
    }

    .hero-stat-float .stat-divider {
        width: 1px;
        height: 36px;
        background: var(--border);
    }

    /* ============ Pain Section ============ */
    .pain-section {
        background: var(--surface-alt);
        position: relative;
    }

    .pain-layout {
        display: grid;
        grid-template-columns: 1fr 1.4fr;
        gap: 3.5rem;
        align-items: center;
    }

    .pain-intro h2 {
        font-size: clamp(1.6rem, 3vw, 2.2rem);
        font-weight: 800;
        letter-spacing: -0.02em;
        margin-bottom: 1rem;
        color: var(--text-strong);
    }

    .pain-intro p {
        font-size: 1.05rem;
        color: var(--text-weak);
        line-height: 1.85;
        margin-bottom: 1.4rem;
    }

    .pain-number {
        font-size: 4.5rem;
        font-weight: 800;
        color: rgba(15, 31, 61, 0.08);
        line-height: 1;
        margin-bottom: 0.5rem;
        letter-spacing: -0.05em;
    }

    .pain-list {
        display: grid;
        gap: 1rem;
    }

    .pain-card {
        background: var(--surface);
        border-radius: var(--radius-md);
        padding: 1.5rem 1.7rem;
        box-shadow: var(--shadow-sm);
        border-left: 4px solid var(--highlight);
        transition: all var(--transition);
        display: flex;
        gap: 1rem;
        align-items: flex-start;
    }

    .pain-card:nth-child(2) {
        border-left-color: var(--accent);
    }

    .pain-card:nth-child(3) {
        border-left-color: var(--primary-mid);
    }

    .pain-card:hover {
        transform: translateX(4px);
        box-shadow: var(--shadow-md);
    }

    .pain-card .icon-box {
        width: 42px;
        height: 42px;
        border-radius: var(--radius-sm);
        background: rgba(255, 107, 53, 0.1);
        display: flex;
        align-items: center;
        justify-content: center;
        color: var(--highlight);
        font-size: 1.1rem;
        flex-shrink: 0;
    }

    .pain-card h3 {
        font-size: 1.05rem;
        font-weight: 700;
        margin-bottom: 0.4rem;
        color: var(--text-strong);
    }

    .pain-card p {
        font-size: 0.93rem;
        color: var(--text-weak);
        line-height: 1.7;
        margin: 0;
    }

    /* ============ Solution Section ============ */
    .solution-section {
        background: var(--surface);
    }

    .solution-grid {
        display: grid;
        grid-template-columns: 1.1fr 0.9fr;
        gap: 3rem;
        align-items: center;
    }

    .solution-visual img {
        border-radius: var(--radius-lg);
        box-shadow: var(--shadow-lg);
        object-fit: cover;
        aspect-ratio: 4/3;
    }

    .solution-content h2 {
        font-size: clamp(1.6rem, 3vw, 2.2rem);
        font-weight: 800;
        letter-spacing: -0.02em;
        margin-bottom: 1rem;
        color: var(--text-strong);
    }

    .solution-content>p {
        font-size: 1.05rem;
        color: var(--text-weak);
        line-height: 1.85;
        margin-bottom: 1.8rem;
    }

    .solution-features {
        display: grid;
        gap: 1.1rem;
    }

    .solution-feature-item {
        display: flex;
        gap: 1rem;
        align-items: flex-start;
        padding-bottom: 1.1rem;
        border-bottom: 1px solid var(--border);
    }

    .solution-feature-item:last-child {
        border-bottom: none;
        padding-bottom: 0;
    }

    .solution-feature-item .num {
        font-size: 0.8rem;
        font-weight: 800;
        color: var(--accent-deep);
        background: rgba(0, 214, 143, 0.12);
        width: 32px;
        height: 32px;
        border-radius: 50%;
        display: flex;
        align-items: center;
        justify-content: center;
        flex-shrink: 0;
    }

    .solution-feature-item h4 {
        font-size: 1rem;
        font-weight: 700;
        margin-bottom: 0.25rem;
        color: var(--text-strong);
    }

    .solution-feature-item p {
        font-size: 0.92rem;
        color: var(--text-weak);
        line-height: 1.7;
        margin: 0;
    }

    /* ============ Process Section ============ */
    .process-section {
        background: var(--primary-deep);
        color: #E8EDF5;
        position: relative;
        overflow: hidden;
    }

    .process-section::before {
        content: "";
        position: absolute;
        top: -30%;
        right: -10%;
        width: 400px;
        height: 400px;
        background: radial-gradient(circle, rgba(0, 214, 143, 0.08), transparent 70%);
        border-radius: 50%;
        pointer-events: none;
    }

    .process-section .section-label {
        background: rgba(0, 214, 143, 0.15);
        color: var(--accent);
    }

    .process-section .section-title {
        color: #fff;
    }

    .process-section .section-desc {
        color: #9DAEC4;
    }

    .process-timeline {
        display: grid;
        grid-template-columns: repeat(4, 1fr);
        gap: 1.5rem;
        margin-top: 2rem;
        position: relative;
        z-index: 2;
    }

    .process-step {
        background: rgba(255, 255, 255, 0.04);
        border: 1px solid rgba(255, 255, 255, 0.08);
        border-radius: var(--radius-md);
        padding: 1.6rem 1.5rem;
        transition: all var(--transition);
    }

    .process-step:hover {
        background: rgba(255, 255, 255, 0.07);
        border-color: rgba(0, 214, 143, 0.4);
        transform: translateY(-4px);
        box-shadow: 0 12px 30px rgba(0, 0, 0, 0.3);
    }

    .process-step .step-indicator {
        font-size: 0.8rem;
        font-weight: 800;
        color: var(--accent);
        letter-spacing: 0.06em;
        text-transform: uppercase;
        margin-bottom: 0.7rem;
        display: block;
    }

    .process-step h3 {
        font-size: 1.08rem;
        font-weight: 700;
        color: #fff;
        margin-bottom: 0.6rem;
    }

    .process-step p {
        font-size: 0.9rem;
        color: #9DAEC4;
        line-height: 1.7;
        margin: 0;
    }

    .process-step .step-icon {
        font-size: 1.6rem;
        color: var(--accent);
        margin-bottom: 0.9rem;
    }

    /* ============ Results Section ============ */
    .results-section {
        background: var(--surface);
    }

    .results-bar-grid {
        display: grid;
        grid-template-columns: 1fr 1.2fr;
        gap: 3rem;
        align-items: center;
    }

    .results-stats {
        display: grid;
        gap: 1.5rem;
    }

    .result-stat-block {
        background: var(--surface-alt);
        border-radius: var(--radius-md);
        padding: 1.5rem 1.7rem;
        display: flex;
        align-items: center;
        gap: 1.4rem;
        transition: all var(--transition);
    }

    .result-stat-block:hover {
        transform: translateX(4px);
        box-shadow: var(--shadow-md);
    }

    .result-stat-block .big-num {
        font-size: 2.8rem;
        font-weight: 800;
        color: var(--primary);
        letter-spacing: -0.04em;
        line-height: 1;
        min-width: 90px;
    }

    .result-stat-block .big-num small {
        font-size: 1rem;
        font-weight: 600;
        color: var(--text-muted);
        letter-spacing: 0;
    }

    .result-stat-block .info h4 {
        font-size: 1rem;
        font-weight: 700;
        margin-bottom: 0.25rem;
        color: var(--text-strong);
    }

    .result-stat-block .info p {
        font-size: 0.88rem;
        color: var(--text-weak);
        margin: 0;
        line-height: 1.6;
    }

    .results-explanation h2 {
        font-size: clamp(1.6rem, 3vw, 2.2rem);
        font-weight: 800;
        letter-spacing: -0.02em;
        margin-bottom: 1rem;
        color: var(--text-strong);
    }

    .results-explanation>p {
        font-size: 1.05rem;
        color: var(--text-weak);
        line-height: 1.85;
        margin-bottom: 1.5rem;
    }

    .results-note {
        background: rgba(0, 214, 143, 0.06);
        border: 1px solid rgba(0, 214, 143, 0.2);
        border-radius: var(--radius-md);
        padding: 1.1rem 1.4rem;
        font-size: 0.92rem;
        color: var(--text-weak);
        line-height: 1.7;
    }

    .results-note i {
        color: var(--accent-deep);
        margin-right: 0.4rem;
    }

    /* ============ Types Section ============ */
    .types-section {
        background: var(--surface-alt);
    }

    .types-grid {
        display: grid;
        grid-template-columns: repeat(3, 1fr);
        gap: 1.5rem;
        margin-top: 1rem;
    }

    .type-card {
        background: var(--surface);
        border-radius: var(--radius-md);
        padding: 1.7rem 1.6rem;
        box-shadow: var(--shadow-sm);
        transition: all var(--transition);
        border: 1px solid transparent;
    }

    .type-card:hover {
        transform: translateY(-6px);
        box-shadow: var(--shadow-lg);
        border-color: rgba(0, 214, 143, 0.3);
    }

    .type-card .type-icon {
        width: 48px;
        height: 48px;
        border-radius: var(--radius-sm);
        background: linear-gradient(135deg, rgba(15, 31, 61, 0.08), rgba(27, 58, 107, 0.15));
        display: flex;
        align-items: center;
        justify-content: center;
        font-size: 1.3rem;
        color: var(--primary-mid);
        margin-bottom: 1rem;
    }

    .type-card h3 {
        font-size: 1.1rem;
        font-weight: 700;
        margin-bottom: 0.5rem;
        color: var(--text-strong);
    }

    .type-card p {
        font-size: 0.92rem;
        color: var(--text-weak);
        line-height: 1.7;
        margin: 0;
    }

    .type-card .type-meta {
        margin-top: 1rem;
        padding-top: 1rem;
        border-top: 1px solid var(--border);
        font-size: 0.82rem;
        color: var(--text-muted);
        display: flex;
        justify-content: space-between;
        align-items: center;
    }

    .type-card .type-meta span {
        display: inline-flex;
        align-items: center;
        gap: 0.4rem;
    }

    .type-card .type-meta i {
        color: var(--accent-deep);
    }

    /* ============ Testimonials ============ */
    .testimonials-section {
        background: var(--surface);
    }

    .testimonial-grid {
        display: grid;
        grid-template-columns: 1fr 1fr;
        gap: 1.5rem;
        margin-top: 1rem;
    }

    .testimonial-card {
        background: var(--surface-alt);
        border-radius: var(--radius-md);
        padding: 1.8rem 1.8rem 1.5rem;
        position: relative;
        transition: all var(--transition);
    }

    .testimonial-card:hover {
        box-shadow: var(--shadow-md);
        transform: translateY(-3px);
    }

    .testimonial-card .quote-mark {
        font-size: 2.8rem;
        color: rgba(0, 214, 143, 0.25);
        position: absolute;
        top: 0.8rem;
        right: 1.2rem;
        font-family: Georgia, serif;
        line-height: 1;
    }

    .testimonial-card blockquote {
        font-size: 0.98rem;
        color: var(--text);
        line-height: 1.8;
        margin: 0 0 1.2rem;
        font-style: italic;
    }

    .testimonial-card .author {
        display: flex;
        align-items: center;
        gap: 0.8rem;
        font-size: 0.88rem;
        color: var(--text-muted);
    }

    .testimonial-card .author-avatar {
        width: 36px;
        height: 36px;
        border-radius: 50%;
        background: linear-gradient(135deg, var(--primary), var(--primary-mid));
        display: flex;
        align-items: center;
        justify-content: center;
        color: #fff;
        font-size: 0.8rem;
        font-weight: 700;
    }

    /* ============ FAQ ============ */
    .faq-section {
        background: var(--surface-alt);
    }

    .faq-list {
        max-width: 800px;
        margin: 0 auto;
    }

    .faq-item {
        background: var(--surface);
        border-radius: var(--radius-md);
        margin-bottom: 0.9rem;
        overflow: hidden;
        box-shadow: var(--shadow-sm);
        transition: all var(--transition);
    }

    .faq-item:hover {
        box-shadow: var(--shadow-md);
    }

    .faq-question {
        width: 100%;
        display: flex;
        align-items: center;
        justify-content: space-between;
        gap: 1rem;
        padding: 1.2rem 1.5rem;
        text-align: left;
        font-size: 1rem;
        font-weight: 700;
        color: var(--text-strong);
        transition: all var(--transition);
    }

    .faq-question i {
        color: var(--accent-deep);
        font-size: 0.9rem;
        transition: transform var(--transition);
        flex-shrink: 0;
    }

    .faq-item.active .faq-question i {
        transform: rotate(180deg);
    }

    .faq-answer {
        max-height: 0;
        overflow: hidden;
        transition: max-height 0.4s ease;
    }

    .faq-item.active .faq-answer {
        max-height: 250px;
    }

    .faq-answer-inner {
        padding: 0 1.5rem 1.3rem;
        font-size: 0.95rem;
        color: var(--text-weak);
        line-height: 1.8;
    }

    /* ============ CTA ============ */
    .cta-section {
        background: var(--primary-deep);
        position: relative;
        overflow: hidden;
    }

    .cta-section::before {
        content: "";
        position: absolute;
        top: -50%;
        left: 50%;
        transform: translateX(-50%);
        width: 700px;
        height: 700px;
        background: radial-gradient(circle, rgba(0, 214, 143, 0.1), transparent 70%);
        border-radius: 50%;
        pointer-events: none;
    }

    .cta-inner {
        display: flex;
        align-items: center;
        justify-content: space-between;
        gap: 2.5rem;
        flex-wrap: wrap;
        position: relative;
        z-index: 2;
    }

    .cta-text h2 {
        font-size: clamp(1.6rem, 3vw, 2.2rem);
        font-weight: 800;
        color: #fff;
        margin-bottom: 0.7rem;
        letter-spacing: -0.02em;
    }

    .cta-text p {
        font-size: 1.05rem;
        color: #9DAEC4;
        line-height: 1.8;
        margin: 0;
        max-width: 480px;
    }

    .cta-actions {
        display: flex;
        gap: 0.9rem;
        flex-wrap: wrap;
    }

    /* ============ Footer ============ */
    .site-footer {
        background: var(--primary-deep);
        color: #B8C5D8;
        padding: var(--space-xl) 0 0;
    }

    .footer-grid {
        display: grid;
        grid-template-columns: 1.4fr 0.8fr 0.8fr 1fr;
        gap: 2.5rem;
        padding-bottom: 2.5rem;
        border-bottom: 1px solid rgba(255, 255, 255, 0.08);
    }

    .footer-brand {
        display: flex;
        align-items: center;
        gap: 0.6rem;
        font-weight: 800;
        font-size: 1.2rem;
        color: #fff;
        margin-bottom: 1rem;
    }

    .footer-desc {
        font-size: 0.92rem;
        line-height: 1.8;
        color: #8DA0B8;
        max-width: 320px;
    }

    .footer-col h4 {
        font-size: 0.95rem;
        font-weight: 700;
        color: #fff;
        margin-bottom: 1rem;
    }

    .footer-col ul {
        list-style: none;
        margin: 0;
        padding: 0;
    }

    .footer-col ul li {
        margin-bottom: 0.55rem;
    }

    .footer-col ul li a {
        font-size: 0.9rem;
        color: #8DA0B8;
        transition: color var(--transition);
    }

    .footer-col ul li a:hover {
        color: var(--accent);
    }

    .footer-bottom {
        display: flex;
        flex-wrap: wrap;
        align-items: center;
        justify-content: space-between;
        gap: 0.8rem;
        padding: 1.4rem 0;
        font-size: 0.82rem;
        color: #6E829A;
    }

    .footer-bottom a {
        color: #8DA0B8;
        transition: color var(--transition);
    }

    .footer-bottom a:hover {
        color: var(--accent);
    }

    /* ============ Responsive ============ */
    @media (max-width: 1024px) {
        .hero-grid {
            grid-template-columns: 1fr;
            gap: 2.5rem;
        }

        .hero-visual {
            max-width: 600px;
            margin: 0 auto;
        }

        .pain-layout {
            grid-template-columns: 1fr;
            gap: 2rem;
        }

        .solution-grid {
            grid-template-columns: 1fr;
            gap: 2rem;
        }

        .solution-visual {
            order: -1;
        }

        .results-bar-grid {
            grid-template-columns: 1fr;
            gap: 2rem;
        }

        .types-grid {
            grid-template-columns: repeat(2, 1fr);
        }

        .process-timeline {
            grid-template-columns: repeat(2, 1fr);
        }

        .footer-grid {
            grid-template-columns: repeat(2, 1fr);
            gap: 2rem;
        }
    }

    @media (max-width: 768px) {
        .nav-toggle {
            display: flex;
        }

        .nav-links {
            display: none;
            position: absolute;
            top: calc(100% + 0.6rem);
            right: 0;
            left: 0;
            background: #fff;
            border-radius: var(--radius-md);
            box-shadow: var(--shadow-lg);
            padding: 1rem;
            flex-direction: column;
            align-items: stretch;
            gap: 0.3rem;
        }

        .nav-links.open {
            display: flex;
        }

        .nav-links li a {
            padding: 0.75rem 1rem;
            border-radius: var(--radius-sm);
        }

        .nav-capsule {
            padding: 0.4rem 0.5rem 0.4rem 1rem;
        }

        .section {
            padding: var(--space-lg) 0;
        }

        .testimonial-grid {
            grid-template-columns: 1fr;
        }

        .cta-inner {
            flex-direction: column;
            text-align: center;
        }

        .cta-text p {
            margin: 0 auto;
        }

        .cta-actions {
            justify-content: center;
        }

        .hero-content h1 {
            font-size: clamp(1.7rem, 7vw, 2.4rem);
        }

        .hero-stat-float {
            flex-wrap: wrap;
            gap: 0.5rem;
        }

        .hero-stat-float .stat-divider {
            display: none;
        }

        .hero-stat-float .stat-item {
            flex-basis: 45%;
        }
    }

    @media (max-width: 520px) {
        .container {
            padding: 0 1.1rem;
        }

        .types-grid {
            grid-template-columns: 1fr;
        }

        .process-timeline {
            grid-template-columns: 1fr;
        }

        .footer-grid {
            grid-template-columns: 1fr;
            gap: 1.5rem;
        }

        .btn {
            width: 100%;
            justify-content: center;
        }

        .hero-actions {
            flex-direction: column;
        }

        .trust-strip {
            gap: 0.8rem;
            font-size: 0.78rem;
        }

        .hero-stat-float {
            padding: 0.8rem 1rem;
            border-radius: var(--radius-sm);
        }

        .hero-stat-float .stat-value {
            font-size: 1.1rem;
        }

        .result-stat-block {
            flex-direction: column;
            align-items: flex-start;
            gap: 0.8rem;
        }

        .result-stat-block .big-num {
            min-width: auto;
        }
    }

/* roulang page: category6 */
:root {
            --primary: #0F1F3D;
            --primary-deep: #0A1428;
            --primary-mid: #1B3A6B;
            --accent: #00D68F;
            --accent-deep: #00B878;
            --highlight: #FF6B35;
            --highlight-soft: #FF8A5C;
            --surface: #FFFFFF;
            --surface-alt: #F4F7FB;
            --surface-dark: #0E1B30;
            --text: #1A2A3D;
            --text-strong: #0D1B2A;
            --text-weak: #5C6B7A;
            --text-muted: #8B98A8;
            --border: #E2E9F2;
            --border-strong: #C9D6E5;
            --shadow-sm: 0 2px 8px rgba(10, 20, 40, 0.06);
            --shadow-md: 0 8px 28px rgba(10, 20, 40, 0.1);
            --shadow-lg: 0 18px 50px rgba(10, 20, 40, 0.16);
            --radius-sm: 8px;
            --radius-md: 14px;
            --radius-lg: 22px;
            --radius-xl: 32px;
            --radius-full: 999px;
            --space-xs: 0.5rem;
            --space-sm: 1rem;
            --space-md: 1.75rem;
            --space-lg: 3rem;
            --space-xl: 4.5rem;
            --space-xxl: 6rem;
            --font-family: "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", "Noto Sans CJK SC", "Helvetica Neue", Arial, sans-serif;
            --transition: 0.25s cubic-bezier(0.22, 0.61, 0.36, 1);
            --transition-slow: 0.45s cubic-bezier(0.22, 0.61, 0.36, 1);
        }
        html {
            scroll-behavior: smooth;
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
            box-sizing: border-box;
        }
        *,
        *::before,
        *::after {
            box-sizing: inherit;
        }
        body {
            font-family: var(--font-family);
            font-size: 16px;
            line-height: 1.7;
            color: var(--text);
            background: var(--surface);
            overflow-x: hidden;
            margin: 0;
        }
        img {
            max-width: 100%;
            height: auto;
            display: block;
            border: 0;
        }
        a {
            color: var(--primary-mid);
            text-decoration: none;
            transition: color var(--transition);
        }
        a:hover,
        a:focus {
            color: var(--accent-deep);
            text-decoration: none;
        }
        a:focus-visible,
        button:focus-visible,
        input:focus-visible,
        select:focus-visible,
        textarea:focus-visible {
            outline: 3px solid rgba(0, 214, 143, 0.5);
            outline-offset: 2px;
            border-radius: 4px;
        }
        button {
            cursor: pointer;
            font-family: inherit;
            font-size: inherit;
            border: none;
            background: none;
        }
        .container {
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 var(--space-md);
        }
        .container-narrow {
            max-width: 860px;
            margin: 0 auto;
            padding: 0 var(--space-md);
        }
        .section {
            padding: var(--space-xl) 0;
            position: relative;
        }
        .section--tight {
            padding: var(--space-lg) 0;
        }
        .section--alt {
            background: var(--surface-alt);
        }
        .section--dark {
            background: var(--surface-dark);
            color: #E8EDF5;
        }
        .section--dark h2,
        .section--dark h3 {
            color: #FFFFFF;
        }
        .section--dark p {
            color: #B8C5D8;
        }
        .section-label {
            display: inline-flex;
            align-items: center;
            gap: 0.5rem;
            font-size: 0.82rem;
            font-weight: 600;
            letter-spacing: 0.06em;
            text-transform: uppercase;
            color: var(--accent-deep);
            background: rgba(0, 214, 143, 0.1);
            padding: 0.4rem 1rem;
            border-radius: var(--radius-full);
            margin-bottom: var(--space-sm);
        }
        .section-title {
            font-size: clamp(1.7rem, 3.8vw, 2.5rem);
            font-weight: 800;
            margin-bottom: var(--space-sm);
            letter-spacing: -0.02em;
            line-height: 1.3;
            color: var(--text-strong);
        }
        .section-desc {
            font-size: 1.05rem;
            color: var(--text-weak);
            max-width: 680px;
            margin-bottom: var(--space-lg);
            line-height: 1.8;
        }
        /* ============ Header / Nav ============ */
        .site-header {
            position: fixed;
            top: 0;
            left: 0;
            right: 0;
            z-index: 1000;
            padding: 0.9rem 0;
            transition: all var(--transition);
        }
        .site-header.scrolled {
            background: rgba(255, 255, 255, 0.95);
            backdrop-filter: blur(16px);
            -webkit-backdrop-filter: blur(16px);
            box-shadow: 0 4px 24px rgba(10, 20, 40, 0.1);
            padding: 0.5rem 0;
        }
        .nav-capsule {
            display: flex;
            align-items: center;
            justify-content: space-between;
            background: rgba(255, 255, 255, 0.88);
            backdrop-filter: blur(14px);
            -webkit-backdrop-filter: blur(14px);
            border: 1px solid rgba(255, 255, 255, 0.6);
            border-radius: var(--radius-full);
            padding: 0.45rem 0.6rem 0.45rem 1.4rem;
            box-shadow: var(--shadow-md);
            transition: all var(--transition);
            flex-wrap: wrap;
            gap: 0.4rem;
        }
        .nav-logo {
            display: flex;
            align-items: center;
            gap: 0.6rem;
            font-weight: 800;
            font-size: 1.15rem;
            color: var(--text-strong);
            white-space: nowrap;
            letter-spacing: -0.01em;
        }
        .nav-logo:hover,
        .nav-logo:focus {
            color: var(--text-strong);
        }
        .nav-logo-icon {
            width: 38px;
            height: 38px;
            background: linear-gradient(135deg, var(--accent), #00A8CC);
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 0.85rem;
            color: var(--primary-deep);
        }
        .nav-toggle {
            display: none;
            width: 42px;
            height: 42px;
            border-radius: 50%;
            background: var(--surface-alt);
            align-items: center;
            justify-content: center;
            font-size: 1.2rem;
            color: var(--text-strong);
            border: 1px solid var(--border);
            transition: all var(--transition);
        }
        .nav-toggle:hover {
            background: var(--border);
        }
        .nav-links {
            display: flex;
            align-items: center;
            gap: 0.1rem;
            list-style: none;
            margin: 0;
            padding: 0;
            flex-wrap: wrap;
        }
        .nav-links li {
            margin: 0;
        }
        .nav-links a {
            display: inline-flex;
            align-items: center;
            gap: 0.4rem;
            padding: 0.5rem 0.9rem;
            border-radius: var(--radius-full);
            font-size: 0.92rem;
            font-weight: 600;
            color: var(--text-weak);
            transition: all var(--transition);
            white-space: nowrap;
        }
        .nav-links a:hover {
            color: var(--text-strong);
            background: rgba(15, 31, 61, 0.06);
        }
        .nav-links a.active {
            color: var(--text-strong);
            background: rgba(0, 214, 143, 0.14);
            font-weight: 700;
        }
        .nav-links a.nav-cta {
            background: var(--primary);
            color: #FFFFFF;
            padding: 0.5rem 1.2rem;
            margin-left: 0.4rem;
            font-weight: 700;
            box-shadow: 0 4px 14px rgba(15, 31, 61, 0.28);
        }
        .nav-links a.nav-cta:hover {
            background: var(--primary-mid);
            color: #FFFFFF;
            transform: translateY(-1px);
            box-shadow: 0 6px 20px rgba(15, 31, 61, 0.35);
        }
        @media (max-width: 1024px) {
            .nav-capsule {
                padding: 0.4rem 0.6rem 0.4rem 1rem;
                border-radius: var(--radius-lg);
            }
            .nav-links a {
                padding: 0.4rem 0.6rem;
                font-size: 0.82rem;
            }
            .nav-links a.nav-cta {
                padding: 0.4rem 0.85rem;
                margin-left: 0.2rem;
            }
        }
        @media (max-width: 860px) {
            .nav-toggle {
                display: flex;
            }
            .nav-links {
                display: none;
                flex-basis: 100%;
                flex-direction: column;
                align-items: stretch;
                padding: 0.8rem 0;
                gap: 0.3rem;
                max-height: 0;
                overflow: hidden;
                transition: max-height 0.35s ease;
            }
            .nav-links.open {
                display: flex;
                max-height: 480px;
            }
            .nav-links a {
                padding: 0.7rem 1rem;
                font-size: 0.95rem;
                justify-content: flex-start;
            }
            .nav-links a.nav-cta {
                margin-left: 0;
                justify-content: center;
                margin-top: 0.4rem;
            }
            .nav-capsule {
                border-radius: var(--radius-lg);
            }
        }
        /* ============ Hero ============ */
        .hero-crowdfund {
            padding: 8rem 0 4rem;
            background: linear-gradient(160deg, #0F1F3D 0%, #0A1428 55%, #0E1B30 100%);
            color: #E8EDF5;
            position: relative;
            overflow: hidden;
        }
        .hero-crowdfund::before {
            content: "";
            position: absolute;
            top: -15%;
            right: -8%;
            width: 420px;
            height: 420px;
            background: radial-gradient(circle, rgba(0, 214, 143, 0.18), transparent 65%);
            border-radius: 50%;
            pointer-events: none;
        }
        .hero-crowdfund::after {
            content: "";
            position: absolute;
            bottom: -18%;
            left: -6%;
            width: 380px;
            height: 380px;
            background: radial-gradient(circle, rgba(255, 107, 53, 0.12), transparent 65%);
            border-radius: 50%;
            pointer-events: none;
        }
        .hero-crowdfund .container {
            position: relative;
            z-index: 2;
        }
        .hero-crowdfund h1 {
            font-size: clamp(2rem, 4.5vw, 3.2rem);
            font-weight: 800;
            color: #FFFFFF;
            letter-spacing: -0.03em;
            line-height: 1.25;
            margin-bottom: 1rem;
        }
        .hero-crowdfund .hero-sub {
            font-size: 1.1rem;
            color: #B8C5D8;
            max-width: 620px;
            line-height: 1.8;
            margin-bottom: 1.8rem;
        }
        .progress-ring-wrap {
            display: flex;
            align-items: center;
            gap: 1.4rem;
            margin-bottom: 1.8rem;
            flex-wrap: wrap;
        }
        .progress-ring {
            width: 130px;
            height: 130px;
            position: relative;
            flex-shrink: 0;
        }
        .progress-ring svg {
            transform: rotate(-90deg);
            width: 100%;
            height: 100%;
        }
        .progress-ring .ring-bg {
            fill: none;
            stroke: rgba(255, 255, 255, 0.1);
            stroke-width: 10;
        }
        .progress-ring .ring-fg {
            fill: none;
            stroke: var(--accent);
            stroke-width: 10;
            stroke-linecap: round;
            stroke-dasharray: 283;
            stroke-dashoffset: calc(283 * (1 - 0.87));
            transition: stroke-dashoffset 1.2s ease;
        }
        .progress-ring .ring-label {
            position: absolute;
            inset: 0;
            display: flex;
            flex-direction: column;
            align-items: center;
            justify-content: center;
            font-weight: 800;
            font-size: 1.7rem;
            color: #FFFFFF;
            line-height: 1.1;
        }
        .progress-ring .ring-label small {
            font-size: 0.7rem;
            font-weight: 500;
            color: #8B98A8;
        }
        .progress-info h3 {
            color: #FFFFFF;
            font-weight: 700;
            font-size: 1.15rem;
            margin-bottom: 0.3rem;
        }
        .progress-info p {
            color: #8B98A8;
            font-size: 0.95rem;
            margin-bottom: 0;
        }
        .progress-info strong {
            color: var(--accent);
            font-weight: 700;
        }
        .hero-btn-row {
            display: flex;
            gap: 1rem;
            flex-wrap: wrap;
            align-items: center;
        }
        .btn-primary {
            display: inline-flex;
            align-items: center;
            gap: 0.5rem;
            padding: 0.85rem 2rem;
            border-radius: var(--radius-full);
            background: linear-gradient(135deg, var(--accent), #00A8CC);
            color: var(--primary-deep);
            font-weight: 700;
            font-size: 1rem;
            transition: all var(--transition);
            box-shadow: 0 6px 22px rgba(0, 214, 143, 0.35);
            border: none;
        }
        .btn-primary:hover {
            transform: translateY(-2px);
            box-shadow: 0 10px 30px rgba(0, 214, 143, 0.5);
            color: var(--primary-deep);
        }
        .btn-ghost-light {
            display: inline-flex;
            align-items: center;
            gap: 0.5rem;
            padding: 0.85rem 1.8rem;
            border-radius: var(--radius-full);
            background: rgba(255, 255, 255, 0.08);
            color: #FFFFFF;
            font-weight: 600;
            font-size: 1rem;
            transition: all var(--transition);
            border: 1px solid rgba(255, 255, 255, 0.25);
        }
        .btn-ghost-light:hover {
            background: rgba(255, 255, 255, 0.16);
            color: #FFFFFF;
            transform: translateY(-2px);
        }
        .tier-preview-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 1.2rem;
            margin-top: 2.4rem;
        }
        .tier-preview-card {
            background: rgba(255, 255, 255, 0.06);
            backdrop-filter: blur(10px);
            border: 1px solid rgba(255, 255, 255, 0.12);
            border-radius: var(--radius-md);
            padding: 1.4rem;
            transition: all var(--transition);
        }
        .tier-preview-card:hover {
            background: rgba(255, 255, 255, 0.1);
            border-color: rgba(0, 214, 143, 0.4);
            transform: translateY(-4px);
            box-shadow: 0 12px 30px rgba(0, 0, 0, 0.35);
        }
        .tier-preview-card .tier-badge {
            display: inline-block;
            font-size: 0.72rem;
            font-weight: 700;
            text-transform: uppercase;
            letter-spacing: 0.05em;
            padding: 0.25rem 0.7rem;
            border-radius: var(--radius-full);
            background: rgba(0, 214, 143, 0.2);
            color: var(--accent);
            margin-bottom: 0.7rem;
        }
        .tier-preview-card h4 {
            color: #FFFFFF;
            font-weight: 700;
            font-size: 1.15rem;
            margin-bottom: 0.3rem;
        }
        .tier-preview-card .tier-price {
            font-size: 1.6rem;
            font-weight: 800;
            color: var(--accent);
            margin-bottom: 0.6rem;
        }
        .tier-preview-card .tier-price small {
            font-size: 0.8rem;
            font-weight: 500;
            color: #8B98A8;
        }
        .tier-preview-card p {
            color: #B8C5D8;
            font-size: 0.88rem;
            line-height: 1.6;
            margin-bottom: 0;
        }
        @media (max-width: 768px) {
            .hero-crowdfund {
                padding: 6.5rem 0 3rem;
            }
            .tier-preview-grid {
                grid-template-columns: 1fr;
                gap: 1rem;
            }
            .progress-ring-wrap {
                flex-direction: column;
                align-items: flex-start;
            }
        }
        /* ============ Pain Points ============ */
        .pain-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 1.5rem;
        }
        .pain-card {
            background: var(--surface);
            border: 1px solid var(--border);
            border-radius: var(--radius-md);
            padding: 1.8rem;
            transition: all var(--transition);
        }
        .pain-card:hover {
            border-color: var(--highlight-soft);
            box-shadow: var(--shadow-md);
            transform: translateY(-3px);
        }
        .pain-card .pain-icon {
            width: 48px;
            height: 48px;
            border-radius: 12px;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1.3rem;
            background: rgba(255, 107, 53, 0.12);
            color: var(--highlight);
            margin-bottom: 1rem;
        }
        .pain-card h3 {
            font-weight: 700;
            color: var(--text-strong);
            font-size: 1.1rem;
            margin-bottom: 0.6rem;
        }
        .pain-card p {
            color: var(--text-weak);
            font-size: 0.92rem;
            line-height: 1.7;
            margin-bottom: 0;
        }
        @media (max-width: 768px) {
            .pain-grid {
                grid-template-columns: 1fr;
            }
        }
        /* ============ Solution ============ */
        .solution-layout {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 3rem;
            align-items: center;
        }
        .solution-visual img {
            border-radius: var(--radius-lg);
            box-shadow: var(--shadow-lg);
            width: 100%;
            object-fit: cover;
        }
        .solution-list {
            list-style: none;
            padding: 0;
            margin: 1.5rem 0 0;
        }
        .solution-list li {
            display: flex;
            gap: 1rem;
            padding: 0.8rem 0;
            border-bottom: 1px solid var(--border);
        }
        .solution-list li:last-child {
            border-bottom: none;
        }
        .solution-list .sol-check {
            width: 28px;
            height: 28px;
            border-radius: 50%;
            background: rgba(0, 214, 143, 0.15);
            color: var(--accent-deep);
            display: flex;
            align-items: center;
            justify-content: center;
            flex-shrink: 0;
            font-size: 0.8rem;
        }
        .solution-list h4 {
            font-weight: 700;
            color: var(--text-strong);
            font-size: 0.98rem;
            margin-bottom: 0.2rem;
        }
        .solution-list p {
            color: var(--text-weak);
            font-size: 0.88rem;
            margin-bottom: 0;
        }
        @media (max-width: 768px) {
            .solution-layout {
                grid-template-columns: 1fr;
                gap: 2rem;
            }
        }
        /* ============ Deep Content ============ */
        .report-deep {
            display: grid;
            grid-template-columns: 1.2fr 0.8fr;
            gap: 2.5rem;
            align-items: start;
        }
        .report-deep-card {
            background: var(--surface);
            border: 1px solid var(--border);
            border-radius: var(--radius-lg);
            padding: 2rem;
            box-shadow: var(--shadow-sm);
            transition: all var(--transition);
        }
        .report-deep-card:hover {
            box-shadow: var(--shadow-md);
            border-color: var(--border-strong);
        }
        .report-deep-card h3 {
            font-weight: 700;
            color: var(--text-strong);
            font-size: 1.25rem;
            margin-bottom: 1rem;
        }
        .report-deep-card p {
            color: var(--text-weak);
            line-height: 1.85;
            font-size: 0.95rem;
            margin-bottom: 0.8rem;
        }
        .report-meta {
            display: flex;
            flex-wrap: wrap;
            gap: 0.8rem;
            margin-top: 1.2rem;
        }
        .report-meta .badge-tag {
            display: inline-flex;
            align-items: center;
            gap: 0.35rem;
            padding: 0.35rem 0.85rem;
            border-radius: var(--radius-full);
            background: var(--surface-alt);
            color: var(--text-weak);
            font-size: 0.78rem;
            font-weight: 600;
            border: 1px solid var(--border);
        }
        .report-stats-row {
            display: grid;
            grid-template-columns: repeat(2, 1fr);
            gap: 1.2rem;
            margin-top: 1rem;
        }
        .stat-box {
            background: var(--surface-alt);
            border-radius: var(--radius-md);
            padding: 1.2rem;
            text-align: center;
            border: 1px solid var(--border);
        }
        .stat-box .stat-num {
            font-size: 1.8rem;
            font-weight: 800;
            color: var(--primary);
            letter-spacing: -0.02em;
        }
        .stat-box .stat-label {
            font-size: 0.82rem;
            color: var(--text-muted);
            font-weight: 500;
        }
        @media (max-width: 768px) {
            .report-deep {
                grid-template-columns: 1fr;
            }
            .report-stats-row {
                grid-template-columns: 1fr 1fr;
            }
        }
        /* ============ Testimonials ============ */
        .testi-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 1.5rem;
        }
        .testi-card {
            background: var(--surface);
            border: 1px solid var(--border);
            border-radius: var(--radius-md);
            padding: 1.8rem;
            box-shadow: var(--shadow-sm);
            transition: all var(--transition);
        }
        .testi-card:hover {
            box-shadow: var(--shadow-md);
            transform: translateY(-3px);
        }
        .testi-card .testi-quote {
            font-size: 2.2rem;
            color: var(--accent);
            opacity: 0.6;
            line-height: 1;
            margin-bottom: 0.8rem;
        }
        .testi-card p {
            color: var(--text-weak);
            font-size: 0.92rem;
            line-height: 1.75;
            margin-bottom: 1.2rem;
        }
        .testi-author {
            display: flex;
            align-items: center;
            gap: 0.8rem;
        }
        .testi-avatar {
            width: 42px;
            height: 42px;
            border-radius: 50%;
            background: linear-gradient(135deg, var(--primary-mid), var(--accent));
            display: flex;
            align-items: center;
            justify-content: center;
            color: #FFFFFF;
            font-weight: 700;
            font-size: 0.9rem;
        }
        .testi-author h5 {
            font-weight: 700;
            color: var(--text-strong);
            font-size: 0.92rem;
            margin-bottom: 0.1rem;
        }
        .testi-author span {
            font-size: 0.78rem;
            color: var(--text-muted);
        }
        @media (max-width: 768px) {
            .testi-grid {
                grid-template-columns: 1fr;
            }
        }
        /* ============ Tier Table ============ */
        .tier-compare {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 1.5rem;
            align-items: stretch;
        }
        .tier-compare-card {
            background: var(--surface);
            border: 2px solid var(--border);
            border-radius: var(--radius-lg);
            padding: 2rem 1.6rem;
            display: flex;
            flex-direction: column;
            transition: all var(--transition);
            position: relative;
        }
        .tier-compare-card.featured {
            border-color: var(--accent);
            box-shadow: var(--shadow-lg);
            transform: scale(1.02);
        }
        .tier-compare-card:hover {
            transform: translateY(-5px);
            box-shadow: var(--shadow-md);
        }
        .tier-compare-card.featured:hover {
            transform: translateY(-5px) scale(1.02);
        }
        .tier-compare-card .feat-flag {
            position: absolute;
            top: -14px;
            left: 50%;
            transform: translateX(-50%);
            background: var(--accent);
            color: var(--primary-deep);
            padding: 0.3rem 1.2rem;
            border-radius: var(--radius-full);
            font-size: 0.78rem;
            font-weight: 700;
        }
        .tier-compare-card h3 {
            font-weight: 700;
            font-size: 1.2rem;
            color: var(--text-strong);
            margin-bottom: 0.5rem;
            text-align: center;
        }
        .tier-compare-card .tc-price {
            text-align: center;
            font-size: 2.2rem;
            font-weight: 800;
            color: var(--primary);
            margin-bottom: 1.2rem;
        }
        .tier-compare-card .tc-price small {
            font-size: 0.85rem;
            font-weight: 500;
            color: var(--text-muted);
        }
        .tier-compare-card ul {
            list-style: none;
            padding: 0;
            margin: 0 0 1.8rem;
            flex: 1;
        }
        .tier-compare-card ul li {
            padding: 0.55rem 0;
            border-bottom: 1px solid var(--border);
            font-size: 0.88rem;
            color: var(--text-weak);
            display: flex;
            align-items: center;
            gap: 0.5rem;
        }
        .tier-compare-card ul li i {
            color: var(--accent-deep);
            font-size: 0.75rem;
            width: 16px;
            text-align: center;
        }
        .tier-compare-card ul li.disabled {
            color: var(--text-muted);
        }
        .tier-compare-card ul li.disabled i {
            color: var(--border-strong);
        }
        .tier-compare-card .btn-primary {
            justify-content: center;
            width: 100%;
        }
        @media (max-width: 768px) {
            .tier-compare {
                grid-template-columns: 1fr;
            }
            .tier-compare-card.featured {
                transform: none;
            }
            .tier-compare-card.featured:hover {
                transform: translateY(-5px);
            }
        }
        /* ============ FAQ ============ */
        .faq-list {
            max-width: 760px;
            margin: 0 auto;
        }
        .faq-item {
            background: var(--surface);
            border: 1px solid var(--border);
            border-radius: var(--radius-md);
            margin-bottom: 0.8rem;
            overflow: hidden;
            transition: all var(--transition);
        }
        .faq-item:hover {
            border-color: var(--border-strong);
            box-shadow: var(--shadow-sm);
        }
        .faq-question {
            display: flex;
            align-items: center;
            justify-content: space-between;
            width: 100%;
            padding: 1.2rem 1.5rem;
            font-weight: 700;
            color: var(--text-strong);
            font-size: 1rem;
            text-align: left;
            background: transparent;
            transition: all var(--transition);
            gap: 1rem;
        }
        .faq-question i {
            color: var(--accent-deep);
            font-size: 0.85rem;
            transition: transform var(--transition);
            flex-shrink: 0;
        }
        .faq-item.open .faq-question i {
            transform: rotate(180deg);
        }
        .faq-answer {
            max-height: 0;
            overflow: hidden;
            transition: max-height 0.4s ease, padding 0.4s ease;
            padding: 0 1.5rem;
        }
        .faq-item.open .faq-answer {
            max-height: 260px;
            padding: 0 1.5rem 1.3rem;
        }
        .faq-answer p {
            color: var(--text-weak);
            font-size: 0.92rem;
            line-height: 1.8;
            margin-bottom: 0;
        }
        /* ============ CTA ============ */
        .cta-band {
            background: linear-gradient(135deg, var(--primary-deep) 0%, var(--primary-mid) 60%, #1B3A6B 100%);
            border-radius: var(--radius-xl);
            padding: 3rem 2.5rem;
            display: grid;
            grid-template-columns: 1.3fr 0.7fr;
            gap: 2rem;
            align-items: center;
            position: relative;
            overflow: hidden;
        }
        .cta-band::before {
            content: "";
            position: absolute;
            top: -40%;
            right: -5%;
            width: 300px;
            height: 300px;
            background: radial-gradient(circle, rgba(0, 214, 143, 0.25), transparent 65%);
            border-radius: 50%;
            pointer-events: none;
        }
        .cta-band h2 {
            color: #FFFFFF;
            font-weight: 800;
            font-size: 1.7rem;
            margin-bottom: 0.8rem;
            position: relative;
            z-index: 1;
        }
        .cta-band p {
            color: #B8C5D8;
            font-size: 0.98rem;
            margin-bottom: 0;
            position: relative;
            z-index: 1;
        }
        .cta-band .btn-primary {
            justify-self: end;
            position: relative;
            z-index: 1;
        }
        @media (max-width: 768px) {
            .cta-band {
                grid-template-columns: 1fr;
                padding: 2rem 1.5rem;
            }
            .cta-band .btn-primary {
                justify-self: start;
            }
        }
        /* ============ Footer ============ */
        .site-footer {
            background: var(--surface-dark);
            color: #B8C5D8;
            padding: var(--space-xl) 0 0;
            margin-top: var(--space-xl);
        }
        .footer-grid {
            display: grid;
            grid-template-columns: 1.5fr 1fr 1fr 1.2fr;
            gap: 2rem;
            padding-bottom: var(--space-lg);
        }
        .footer-brand {
            display: flex;
            align-items: center;
            gap: 0.7rem;
            font-weight: 800;
            font-size: 1.1rem;
            color: #FFFFFF;
            margin-bottom: 1rem;
        }
        .footer-desc {
            font-size: 0.9rem;
            line-height: 1.8;
            color: #8B98A8;
            margin-bottom: 0;
        }
        .footer-col h4 {
            color: #FFFFFF;
            font-weight: 700;
            font-size: 1rem;
            margin-bottom: 1rem;
        }
        .footer-col ul {
            list-style: none;
            padding: 0;
            margin: 0;
        }
        .footer-col ul li {
            margin-bottom: 0.5rem;
        }
        .footer-col ul li a {
            color: #8B98A8;
            font-size: 0.9rem;
            transition: all var(--transition);
        }
        .footer-col ul li a:hover {
            color: var(--accent);
        }
        .footer-bottom {
            border-top: 1px solid rgba(255, 255, 255, 0.08);
            padding: 1.2rem 0;
            display: flex;
            align-items: center;
            justify-content: space-between;
            flex-wrap: wrap;
            gap: 0.8rem;
            font-size: 0.82rem;
            color: #8B98A8;
        }
        .footer-bottom a {
            color: #8B98A8;
            font-size: 0.82rem;
        }
        .footer-bottom a:hover {
            color: var(--accent);
        }
        @media (max-width: 860px) {
            .footer-grid {
                grid-template-columns: 1fr 1fr;
                gap: 1.5rem;
            }
        }
        @media (max-width: 520px) {
            .footer-grid {
                grid-template-columns: 1fr;
            }
            .footer-bottom {
                flex-direction: column;
                align-items: flex-start;
            }
        }
        /* ============ Utility ============ */
        .text-center { text-align: center; }
        .mt-lg { margin-top: var(--space-lg); }
        .mb-lg { margin-bottom: var(--space-lg); }
        .gap-sm { gap: 0.8rem; }