/* roulang page: index */
:root {
            --charcoal: #0C0F0E;
            --acid: #B7F24A;
            --teal: #2E6B5F;
            --bg: #F4F6F2;
            --surface: #FFFFFF;
            --text: #15201E;
            --text-secondary: #5A6863;
            --border: rgba(12, 15, 14, 0.08);
            --border-strong: rgba(12, 15, 14, 0.16);
            --radius-sm: 10px;
            --radius-md: 16px;
            --radius-lg: 20px;
            --radius-xl: 28px;
            --shadow-sm: 0 4px 12px rgba(0, 0, 0, 0.06);
            --shadow-md: 0 10px 30px rgba(0, 0, 0, 0.08);
            --shadow-lg: 0 20px 50px rgba(0, 0, 0, 0.12);
            --space-xs: 8px;
            --space-sm: 16px;
            --space-md: 24px;
            --space-lg: 32px;
            --space-xl: 48px;
            --space-2xl: 64px;
            --font-display: 'PingFang SC', 'Microsoft YaHei', 'Noto Sans CJK', sans-serif;
            --font-stack: 'PingFang SC', 'Microsoft YaHei', 'Noto Sans CJK', sans-serif;
            --font-mono: 'DIN Alternate', 'Roboto Mono', 'PingFang SC', 'Microsoft YaHei', sans-serif;
            --nav-height: 68px;
            --transition-fast: 0.2s ease;
            --transition-base: 0.25s ease;
            --transition-slow: 0.4s cubic-bezier(0.4, 0, 0.2, 1);
        }

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

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

        body {
            font-family: var(--font-stack);
            font-size: 16px;
            line-height: 1.65;
            color: var(--text);
            background-color: var(--bg);
            overflow-x: hidden;
        }

        img {
            max-width: 100%;
            height: auto;
            display: block;
            border-radius: var(--radius-md);
        }

        a {
            text-decoration: none;
            color: inherit;
            transition: color var(--transition-fast);
        }

        button,
        input,
        textarea {
            font-family: var(--font-stack);
            font-size: 16px;
            outline: none;
        }

        button {
            cursor: pointer;
            border: none;
            background: none;
        }

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

        .visually-hidden {
            position: absolute;
            width: 1px;
            height: 1px;
            margin: -1px;
            padding: 0;
            overflow: hidden;
            clip: rect(0, 0, 0, 0);
            white-space: nowrap;
            border: 0;
        }

        /* ============ HEADER / NAV ============ */
        .site-header {
            position: fixed;
            top: 0;
            left: 0;
            right: 0;
            z-index: 1000;
            height: var(--nav-height);
            background: rgba(12, 15, 14, 0.85);
            backdrop-filter: blur(8px);
            -webkit-backdrop-filter: blur(8px);
            border-bottom: 1px solid rgba(255, 255, 255, 0.06);
            transition: background var(--transition-base), box-shadow var(--transition-base), height var(--transition-base);
        }

        .site-header.scrolled {
            background: rgba(12, 15, 14, 0.96);
            box-shadow: 0 4px 24px rgba(0, 0, 0, 0.3);
        }

        .nav-inner {
            display: flex;
            align-items: center;
            justify-content: space-between;
            height: 100%;
            position: relative;
        }

        .nav-content-side {
            display: flex;
            align-items: center;
            gap: var(--space-lg);
            flex: 1;
        }

        .nav-visual-side {
            display: flex;
            align-items: center;
            gap: var(--space-sm);
            flex-shrink: 0;
        }

        .logo-link {
            display: flex;
            align-items: center;
            gap: 10px;
            font-weight: 800;
            font-size: 20px;
            color: #fff;
            letter-spacing: -0.3px;
            white-space: nowrap;
            flex-shrink: 0;
        }

        .logo-link .logo-mark {
            width: 36px;
            height: 36px;
            border-radius: 10px;
            background: var(--acid);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 16px;
            color: var(--charcoal);
            font-weight: 900;
            letter-spacing: -0.5px;
            transition: background var(--transition-fast), transform var(--transition-fast);
        }

        .logo-link:hover .logo-mark {
            background: var(--teal);
            color: #fff;
            transform: scale(1.05);
        }

        .desktop-nav {
            display: flex;
            align-items: center;
            gap: var(--space-md);
            list-style: none;
        }

        .desktop-nav li a {
            color: rgba(255, 255, 255, 0.72);
            font-size: 14px;
            font-weight: 500;
            padding: 8px 12px;
            border-radius: 8px;
            transition: color var(--transition-fast), background var(--transition-fast);
            position: relative;
            white-space: nowrap;
            letter-spacing: 0.2px;
        }

        .desktop-nav li a::after {
            content: '';
            position: absolute;
            bottom: 2px;
            left: 12px;
            width: 0;
            height: 2px;
            background: var(--acid);
            border-radius: 1px;
            transition: width var(--transition-base);
        }

        .desktop-nav li a:hover::after,
        .desktop-nav li a.active::after {
            width: calc(100% - 24px);
        }

        .desktop-nav li a:hover {
            color: #fff;
        }

        .desktop-nav li a.active {
            color: var(--acid);
            font-weight: 600;
        }

        .nav-search-btn {
            width: 40px;
            height: 40px;
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            color: rgba(255, 255, 255, 0.7);
            transition: background var(--transition-fast), color var(--transition-fast);
        }

        .nav-search-btn:hover {
            background: rgba(255, 255, 255, 0.1);
            color: #fff;
        }

        .nav-cta-btn {
            background: var(--acid);
            color: var(--charcoal);
            font-weight: 700;
            font-size: 14px;
            padding: 10px 20px;
            border-radius: 12px;
            transition: background var(--transition-fast), transform var(--transition-fast), box-shadow var(--transition-fast);
            white-space: nowrap;
            letter-spacing: 0.3px;
        }

        .nav-cta-btn:hover {
            background: var(--teal);
            color: #fff;
            transform: scale(1.03);
            box-shadow: 0 6px 16px rgba(46, 107, 95, 0.35);
        }

        .nav-cta-btn:active {
            transform: scale(0.97);
        }

        .hamburger {
            display: none;
            width: 40px;
            height: 40px;
            border-radius: 10px;
            align-items: center;
            justify-content: center;
            color: #fff;
            font-size: 22px;
            transition: background var(--transition-fast);
        }

        .hamburger:hover {
            background: rgba(255, 255, 255, 0.1);
        }

        .mobile-drawer {
            display: none;
            position: fixed;
            top: var(--nav-height);
            left: 0;
            right: 0;
            bottom: 0;
            background: rgba(12, 15, 14, 0.98);
            z-index: 999;
            padding: var(--space-lg) var(--space-md);
            flex-direction: column;
            gap: var(--space-xs);
            overflow-y: auto;
            transform: translateY(-100%);
            transition: transform var(--transition-slow);
        }

        .mobile-drawer.open {
            transform: translateY(0);
        }

        .mobile-drawer a {
            color: rgba(255, 255, 255, 0.85);
            font-size: 18px;
            font-weight: 600;
            padding: var(--space-sm) var(--space-sm);
            border-radius: 12px;
            transition: background var(--transition-fast), color var(--transition-fast);
            display: flex;
            align-items: center;
            gap: 12px;
        }

        .mobile-drawer a:hover,
        .mobile-drawer a.active {
            background: rgba(183, 242, 74, 0.15);
            color: var(--acid);
        }

        /* ============ HERO ============ */
        .hero-section {
            min-height: 85vh;
            display: flex;
            align-items: stretch;
            padding-top: var(--nav-height);
            position: relative;
            background: var(--charcoal);
            overflow: hidden;
        }

        .hero-content {
            width: 55%;
            padding: var(--space-2xl) var(--space-lg) var(--space-2xl) max(calc((100vw - 1200px) / 2 + var(--space-md)), var(--space-md));
            display: flex;
            flex-direction: column;
            justify-content: center;
            position: relative;
            z-index: 3;
        }

        .hero-visual {
            width: 45%;
            position: relative;
            background-image: url('/assets/images/backpic/back-1.webp');
            background-size: cover;
            background-position: center;
            overflow: hidden;
        }

        .hero-visual::before {
            content: '';
            position: absolute;
            inset: 0;
            background: radial-gradient(ellipse at 70% 40%, rgba(183, 242, 74, 0.2) 0%, rgba(12, 15, 14, 0.75) 55%, rgba(12, 15, 14, 0.92) 100%);
        }

        .hero-visual::after {
            content: '';
            position: absolute;
            inset: 0;
            background-image:
                linear-gradient(rgba(183, 242, 74, 0.12) 1px, transparent 1px),
                linear-gradient(90deg, rgba(183, 242, 74, 0.12) 1px, transparent 1px);
            background-size: 42px 42px;
            opacity: 0.5;
            animation: grid-shift 12s linear infinite;
        }

        @keyframes grid-shift {
            0% {
                background-position: 0 0;
            }
            100% {
                background-position: 42px 42px;
            }
        }

        .hero-badge-row {
            display: flex;
            align-items: center;
            gap: var(--space-sm);
            flex-wrap: wrap;
            margin-bottom: var(--space-md);
        }

        .hero-badge {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            background: rgba(183, 242, 74, 0.15);
            color: var(--acid);
            font-size: 13px;
            font-weight: 600;
            padding: 6px 14px;
            border-radius: 100px;
            border: 1px solid rgba(183, 242, 74, 0.3);
            letter-spacing: 0.3px;
        }

        .hero-badge-live {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            background: rgba(255, 80, 80, 0.2);
            color: #ff6b6b;
            font-size: 13px;
            font-weight: 600;
            padding: 6px 14px;
            border-radius: 100px;
            border: 1px solid rgba(255, 80, 80, 0.35);
        }

        .hero-badge-live .dot {
            width: 7px;
            height: 7px;
            border-radius: 50%;
            background: #ff6b6b;
            animation: pulse-dot 1.8s ease-in-out infinite;
        }

        @keyframes pulse-dot {
            0%,
            100% {
                opacity: 1;
                transform: scale(1);
            }
            50% {
                opacity: 0.4;
                transform: scale(0.7);
            }
        }

        .hero-title {
            font-size: clamp(34px, 5vw, 56px);
            font-weight: 900;
            line-height: 1.15;
            color: #fff;
            letter-spacing: -1px;
            margin-bottom: var(--space-md);
            font-family: var(--font-display);
        }

        .hero-title .accent {
            color: var(--acid);
            position: relative;
            display: inline-block;
        }

        .hero-subtitle {
            font-size: 17px;
            color: rgba(255, 255, 255, 0.72);
            line-height: 1.7;
            margin-bottom: var(--space-lg);
            max-width: 520px;
            letter-spacing: 0.2px;
        }

        .hero-cta-row {
            display: flex;
            align-items: center;
            gap: var(--space-sm);
            flex-wrap: wrap;
            margin-bottom: var(--space-lg);
        }

        .btn-primary {
            background: var(--acid);
            color: var(--charcoal);
            font-weight: 700;
            font-size: 15px;
            padding: 14px 28px;
            border-radius: 14px;
            transition: background var(--transition-fast), transform var(--transition-fast), box-shadow var(--transition-fast), color var(--transition-fast);
            letter-spacing: 0.4px;
            display: inline-flex;
            align-items: center;
            gap: 8px;
        }

        .btn-primary:hover {
            background: var(--teal);
            color: #fff;
            transform: translateY(-2px) scale(1.02);
            box-shadow: 0 12px 28px rgba(46, 107, 95, 0.4);
        }

        .btn-primary:active {
            transform: scale(0.97);
            box-shadow: 0 4px 12px rgba(46, 107, 95, 0.3);
        }

        .btn-secondary-outline {
            background: transparent;
            color: #fff;
            font-weight: 600;
            font-size: 15px;
            padding: 14px 28px;
            border-radius: 14px;
            border: 1.5px solid rgba(255, 255, 255, 0.3);
            transition: background var(--transition-fast), border-color var(--transition-fast), color var(--transition-fast), transform var(--transition-fast);
            letter-spacing: 0.3px;
            display: inline-flex;
            align-items: center;
            gap: 8px;
        }

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

        .btn-secondary-outline:active {
            transform: scale(0.97);
        }

        .hero-stats-bar {
            display: flex;
            align-items: center;
            gap: var(--space-lg);
            flex-wrap: wrap;
            padding-top: var(--space-md);
            border-top: 1px solid rgba(255, 255, 255, 0.1);
        }

        .hero-stat-item {
            display: flex;
            flex-direction: column;
            gap: 2px;
        }

        .hero-stat-value {
            font-size: 22px;
            font-weight: 800;
            color: #fff;
            font-family: var(--font-mono);
            letter-spacing: 0.3px;
        }

        .hero-stat-label {
            font-size: 12px;
            color: rgba(255, 255, 255, 0.55);
            letter-spacing: 0.5px;
        }

        /* ============ SECTION COMMON ============ */
        .section {
            padding: var(--space-2xl) 0;
            position: relative;
        }

        .section-dark {
            background: var(--charcoal);
            color: #fff;
        }

        .section-light {
            background: var(--bg);
        }

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

        .section-label {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            font-size: 13px;
            font-weight: 700;
            letter-spacing: 1.5px;
            text-transform: uppercase;
            color: var(--teal);
            margin-bottom: var(--space-sm);
        }

        .section-label--light {
            color: var(--acid);
        }

        .section-title {
            font-size: clamp(26px, 3.5vw, 36px);
            font-weight: 800;
            line-height: 1.25;
            letter-spacing: -0.5px;
            margin-bottom: var(--space-sm);
            color: var(--text);
            font-family: var(--font-display);
        }

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

        .section-desc {
            font-size: 16px;
            color: var(--text-secondary);
            line-height: 1.7;
            margin-bottom: var(--space-lg);
            max-width: 640px;
        }

        .section-dark .section-desc {
            color: rgba(255, 255, 255, 0.65);
        }

        .section-header {
            margin-bottom: var(--space-lg);
        }

        /* ============ COLLECTION SECTION ============ */
        .collection-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: var(--space-md);
        }

        .collection-card {
            background: var(--surface);
            border-radius: var(--radius-lg);
            overflow: hidden;
            border: 1px solid var(--border);
            box-shadow: var(--shadow-sm);
            transition: box-shadow var(--transition-base), transform var(--transition-base), border-color var(--transition-base);
            cursor: pointer;
        }

        .collection-card:hover {
            transform: translateY(-4px);
            box-shadow: var(--shadow-md);
            border-color: rgba(183, 242, 74, 0.5);
        }

        .collection-card-img {
            height: 160px;
            background-size: cover;
            background-position: center;
            position: relative;
        }

        .collection-card-body {
            padding: var(--space-md);
        }

        .collection-card-count {
            font-size: 12px;
            color: var(--teal);
            font-weight: 700;
            letter-spacing: 0.5px;
            margin-bottom: 4px;
        }

        .collection-card-title {
            font-size: 17px;
            font-weight: 700;
            color: var(--text);
            margin-bottom: 6px;
            letter-spacing: -0.2px;
        }

        .collection-card-link {
            font-size: 14px;
            font-weight: 600;
            color: var(--teal);
            display: inline-flex;
            align-items: center;
            gap: 4px;
            transition: color var(--transition-fast);
        }

        .collection-card:hover .collection-card-link {
            color: #1d4a41;
        }

        /* ============ CHANNEL ENTRY ============ */
        .channel-entry-grid {
            display: grid;
            grid-template-columns: 1.4fr 1fr;
            grid-template-rows: 250px 250px;
            gap: var(--space-md);
        }

        .channel-card {
            border-radius: var(--radius-lg);
            overflow: hidden;
            position: relative;
            border: 1px solid var(--border);
            box-shadow: var(--shadow-sm);
            transition: box-shadow var(--transition-base), transform var(--transition-base), border-color var(--transition-base);
            cursor: pointer;
            display: flex;
            flex-direction: column;
            justify-content: flex-end;
            background-size: cover;
            background-position: center;
        }

        .channel-card:hover {
            transform: translateY(-4px);
            box-shadow: var(--shadow-md);
            border-color: rgba(183, 242, 74, 0.4);
        }

        .channel-card::before {
            content: '';
            position: absolute;
            inset: 0;
            background: linear-gradient(to top, rgba(12, 15, 14, 0.85) 0%, rgba(12, 15, 14, 0.35) 50%, rgba(12, 15, 14, 0.15) 100%);
            border-radius: var(--radius-lg);
        }

        .channel-card-large {
            grid-row: 1 / 3;
            background-image: url('/assets/images/coverpic/cover-1.webp');
        }

        .channel-card-top {
            grid-column: 2;
            grid-row: 1;
            background-image: url('/assets/images/coverpic/cover-2.webp');
        }

        .channel-card-bottom {
            grid-column: 2;
            grid-row: 2;
            background-image: url('/assets/images/coverpic/cover-3.webp');
        }

        .channel-card-content {
            position: relative;
            z-index: 2;
            padding: var(--space-md);
            color: #fff;
        }

        .channel-card-title {
            font-size: 20px;
            font-weight: 700;
            letter-spacing: -0.3px;
            margin-bottom: 4px;
        }

        .channel-card-desc {
            font-size: 14px;
            color: rgba(255, 255, 255, 0.75);
            line-height: 1.5;
            margin-bottom: 8px;
        }

        .channel-card-arrow {
            font-size: 14px;
            font-weight: 600;
            color: var(--acid);
            display: inline-flex;
            align-items: center;
            gap: 4px;
            transition: color var(--transition-fast);
        }

        .channel-card:hover .channel-card-arrow {
            color: #fff;
        }

        /* ============ DATA BAND ============ */
        .data-band {
            background: var(--charcoal);
            padding: var(--space-xl) 0;
            color: #fff;
            position: relative;
            overflow: hidden;
        }

        .data-band::before {
            content: '';
            position: absolute;
            inset: 0;
            background: radial-gradient(ellipse at 30% 50%, rgba(46, 107, 95, 0.35) 0%, transparent 60%);
        }

        .data-band-inner {
            position: relative;
            z-index: 2;
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: var(--space-lg);
        }

        .data-item {
            text-align: left;
            padding: var(--space-md) var(--space-lg);
            position: relative;
        }

        .data-item:not(:last-child)::after {
            content: '';
            position: absolute;
            right: 0;
            top: 50%;
            transform: translateY(-50%);
            width: 1px;
            height: 60%;
            background: rgba(255, 255, 255, 0.12);
        }

        .data-value {
            font-size: 38px;
            font-weight: 900;
            color: var(--acid);
            font-family: var(--font-mono);
            letter-spacing: -0.5px;
            line-height: 1.2;
            margin-bottom: 4px;
        }

        .data-label {
            font-size: 14px;
            color: rgba(255, 255, 255, 0.6);
            letter-spacing: 0.5px;
        }

        /* ============ ENTRY MATRIX ============ */
        .matrix-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: var(--space-sm);
        }

        .matrix-item {
            display: flex;
            flex-direction: column;
            align-items: center;
            gap: 10px;
            padding: var(--space-md) var(--space-sm);
            border-radius: var(--radius-md);
            background: var(--surface);
            border: 1px solid var(--border);
            transition: border-color var(--transition-fast), transform var(--transition-fast), box-shadow var(--transition-fast);
            text-align: center;
            cursor: pointer;
        }

        .matrix-item:hover {
            border-color: var(--acid);
            transform: translateY(-3px);
            box-shadow: var(--shadow-sm);
        }

        .matrix-icon {
            width: 48px;
            height: 48px;
            border-radius: 14px;
            background: rgba(183, 242, 74, 0.2);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 20px;
            color: var(--teal);
            transition: background var(--transition-fast), color var(--transition-fast);
        }

        .matrix-item:hover .matrix-icon {
            background: var(--acid);
            color: var(--charcoal);
        }

        .matrix-label {
            font-size: 14px;
            font-weight: 600;
            color: var(--text);
            letter-spacing: 0.2px;
        }

        /* ============ NEWS SECTION ============ */
        .news-layout {
            display: grid;
            grid-template-columns: 1.5fr 1fr;
            gap: var(--space-lg);
        }

        .news-list {
            display: flex;
            flex-direction: column;
            gap: var(--space-sm);
        }

        .news-item {
            display: flex;
            gap: var(--space-md);
            padding: var(--space-sm) var(--space-md);
            border-radius: var(--radius-md);
            background: var(--surface);
            border: 1px solid var(--border);
            transition: border-color var(--transition-fast), box-shadow var(--transition-fast), transform var(--transition-fast);
            cursor: pointer;
        }

        .news-item:hover {
            border-color: rgba(183, 242, 74, 0.5);
            box-shadow: var(--shadow-sm);
            transform: translateX(4px);
        }

        .news-item-img {
            width: 110px;
            height: 80px;
            flex-shrink: 0;
            border-radius: 10px;
            background-size: cover;
            background-position: center;
            overflow: hidden;
        }

        .news-item-body {
            flex: 1;
            display: flex;
            flex-direction: column;
            justify-content: space-between;
            min-width: 0;
        }

        .news-item-date {
            font-size: 12px;
            color: var(--text-secondary);
            font-weight: 500;
            letter-spacing: 0.3px;
        }

        .news-item-title {
            font-size: 15px;
            font-weight: 700;
            color: var(--text);
            letter-spacing: -0.2px;
            line-height: 1.4;
            margin: 2px 0 4px;
        }

        .news-item-excerpt {
            font-size: 13px;
            color: var(--text-secondary);
            line-height: 1.5;
            overflow: hidden;
            display: -webkit-box;
            -webkit-line-clamp: 2;
            -webkit-box-orient: vertical;
        }

        .news-readmore {
            font-size: 13px;
            font-weight: 700;
            color: var(--teal);
            text-align: right;
            align-self: flex-end;
            transition: color var(--transition-fast);
            white-space: nowrap;
        }

        .news-item:hover .news-readmore {
            color: var(--charcoal);
            text-decoration: underline;
            text-underline-offset: 3px;
        }

        .news-recommend {
            background: var(--surface);
            border-radius: var(--radius-lg);
            padding: var(--space-md);
            border: 1px solid var(--border);
            box-shadow: var(--shadow-sm);
        }

        .news-recommend-title {
            font-size: 16px;
            font-weight: 700;
            color: var(--text);
            margin-bottom: var(--space-sm);
            padding-bottom: var(--space-xs);
            border-bottom: 2px solid var(--acid);
        }

        .news-recommend-item {
            display: flex;
            align-items: center;
            gap: 10px;
            padding: 8px 0;
            border-bottom: 1px solid var(--border);
            transition: color var(--transition-fast);
            cursor: pointer;
        }

        .news-recommend-item:last-child {
            border-bottom: none;
        }

        .news-recommend-item:hover {
            color: var(--teal);
        }

        .news-recommend-num {
            width: 26px;
            height: 26px;
            border-radius: 8px;
            background: rgba(183, 242, 74, 0.2);
            color: var(--teal);
            font-size: 12px;
            font-weight: 700;
            display: flex;
            align-items: center;
            justify-content: center;
            flex-shrink: 0;
        }

        .news-recommend-text {
            font-size: 14px;
            font-weight: 500;
            color: var(--text);
            line-height: 1.4;
        }

        /* ============ BRAND INTRO ============ */
        .brand-intro-section {
            background: linear-gradient(135deg, var(--charcoal) 0%, #1a2421 50%, var(--charcoal) 100%);
            color: #fff;
            padding: var(--space-2xl) 0;
            position: relative;
            overflow: hidden;
        }

        .brand-intro-section::before {
            content: '';
            position: absolute;
            inset: 0;
            background: radial-gradient(circle at 20% 40%, rgba(183, 242, 74, 0.08) 0%, transparent 55%);
        }

        .brand-intro-inner {
            position: relative;
            z-index: 2;
            max-width: 800px;
        }

        .brand-intro-title {
            font-size: 28px;
            font-weight: 800;
            letter-spacing: -0.4px;
            margin-bottom: var(--space-sm);
            color: var(--acid);
        }

        .brand-intro-text {
            font-size: 16px;
            line-height: 1.85;
            color: rgba(255, 255, 255, 0.8);
            letter-spacing: 0.3px;
        }

        /* ============ USAGE MATRIX ============ */
        .usage-grid {
            display: grid;
            grid-template-columns: repeat(2, 1fr);
            gap: var(--space-md);
        }

        .usage-card {
            display: flex;
            gap: var(--space-md);
            background: var(--surface);
            border-radius: var(--radius-lg);
            overflow: hidden;
            border: 1px solid var(--border);
            box-shadow: var(--shadow-sm);
            transition: box-shadow var(--transition-base), transform var(--transition-base), border-color var(--transition-base);
            cursor: pointer;
        }

        .usage-card:hover {
            transform: translateY(-4px);
            box-shadow: var(--shadow-md);
            border-color: rgba(183, 242, 74, 0.4);
        }

        .usage-card-img {
            width: 45%;
            min-height: 180px;
            background-size: cover;
            background-position: center;
            flex-shrink: 0;
            border-radius: 0;
        }

        .usage-card-body {
            padding: var(--space-md);
            display: flex;
            flex-direction: column;
            justify-content: center;
            gap: 6px;
        }

        .usage-card-title {
            font-size: 18px;
            font-weight: 700;
            color: var(--text);
            letter-spacing: -0.2px;
        }

        .usage-card-desc {
            font-size: 14px;
            color: var(--text-secondary);
            line-height: 1.6;
        }

        .usage-card-tag {
            font-size: 12px;
            font-weight: 600;
            color: var(--teal);
            letter-spacing: 0.5px;
        }

        /* ============ SECURITY SECTION ============ */
        .security-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: var(--space-sm);
        }

        .security-item {
            display: flex;
            flex-direction: column;
            gap: 10px;
            padding: var(--space-md);
            border-radius: var(--radius-md);
            background: var(--surface);
            border: 1px solid var(--border);
            transition: border-color var(--transition-fast), transform var(--transition-fast), box-shadow var(--transition-fast);
        }

        .security-item:hover {
            border-color: rgba(183, 242, 74, 0.5);
            transform: translateY(-3px);
            box-shadow: var(--shadow-sm);
        }

        .security-icon {
            width: 44px;
            height: 44px;
            border-radius: 12px;
            background: rgba(183, 242, 74, 0.2);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 20px;
            color: var(--teal);
        }

        .security-title {
            font-size: 15px;
            font-weight: 700;
            color: var(--text);
        }

        .security-desc {
            font-size: 13px;
            color: var(--text-secondary);
            line-height: 1.5;
        }

        /* ============ FAQ ============ */
        .faq-grid {
            display: flex;
            flex-direction: column;
            gap: var(--space-xs);
            max-width: 800px;
        }

        .faq-item {
            border: 1px solid var(--border);
            border-radius: var(--radius-md);
            background: var(--surface);
            overflow: hidden;
            transition: border-color var(--transition-fast), box-shadow var(--transition-fast);
        }

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

        .faq-question {
            width: 100%;
            display: flex;
            align-items: center;
            justify-content: space-between;
            padding: var(--space-sm) var(--space-md);
            font-size: 16px;
            font-weight: 600;
            color: var(--text);
            text-align: left;
            cursor: pointer;
            background: transparent;
            transition: color var(--transition-fast), background var(--transition-fast);
            gap: 12px;
        }

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

        .faq-item.active .faq-question {
            color: var(--teal);
        }

        .faq-toggle-icon {
            flex-shrink: 0;
            display: flex;
            align-items: center;
            justify-content: center;
            width: 28px;
            height: 28px;
            border-radius: 50%;
            background: rgba(183, 242, 74, 0.2);
            color: var(--teal);
            font-size: 14px;
            transition: transform var(--transition-base), background var(--transition-fast);
        }

        .faq-item.active .faq-toggle-icon {
            transform: rotate(180deg);
            background: var(--acid);
            color: var(--charcoal);
        }

        .faq-answer {
            max-height: 0;
            overflow: hidden;
            transition: max-height var(--transition-slow);
        }

        .faq-answer-inner {
            padding: 0 var(--space-md) var(--space-md);
            font-size: 14px;
            line-height: 1.7;
            color: var(--text-secondary);
        }

        .faq-item.active .faq-answer {
            max-height: 400px;
        }

        /* ============ CONTACT / CTA ============ */
        .contact-section {
            background: var(--charcoal);
            color: #fff;
            padding: var(--space-2xl) 0;
            position: relative;
            overflow: hidden;
        }

        .contact-section::before {
            content: '';
            position: absolute;
            inset: 0;
            background: radial-gradient(ellipse at 80% 30%, rgba(46, 107, 95, 0.3) 0%, transparent 60%);
        }

        .contact-grid {
            position: relative;
            z-index: 2;
            display: grid;
            grid-template-columns: 1.2fr 1fr;
            gap: var(--space-xl);
            align-items: start;
        }

        .contact-form {
            display: flex;
            flex-direction: column;
            gap: var(--space-sm);
        }

        .form-group {
            display: flex;
            flex-direction: column;
            gap: 4px;
        }

        .form-group label {
            font-size: 13px;
            font-weight: 600;
            color: rgba(255, 255, 255, 0.75);
            letter-spacing: 0.3px;
        }

        .form-group input,
        .form-group textarea {
            background: rgba(255, 255, 255, 0.08);
            border: 1px solid rgba(255, 255, 255, 0.2);
            border-radius: 8px;
            padding: 12px 16px;
            color: #fff;
            font-size: 15px;
            transition: border-color var(--transition-fast), background var(--transition-fast), box-shadow var(--transition-fast);
            resize: vertical;
        }

        .form-group input::placeholder,
        .form-group textarea::placeholder {
            color: rgba(255, 255, 255, 0.4);
        }

        .form-group input:focus,
        .form-group textarea:focus {
            border-color: var(--acid);
            background: rgba(255, 255, 255, 0.12);
            box-shadow: 0 0 0 3px rgba(183, 242, 74, 0.15);
            outline: none;
        }

        .contact-info-side {
            display: flex;
            flex-direction: column;
            gap: var(--space-md);
        }

        .contact-info-item {
            display: flex;
            align-items: flex-start;
            gap: 12px;
        }

        .contact-info-icon {
            width: 40px;
            height: 40px;
            border-radius: 12px;
            background: rgba(183, 242, 74, 0.2);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 18px;
            color: var(--acid);
            flex-shrink: 0;
        }

        .contact-info-text h4 {
            font-size: 15px;
            font-weight: 700;
            color: #fff;
            margin-bottom: 2px;
        }

        .contact-info-text p {
            font-size: 14px;
            color: rgba(255, 255, 255, 0.65);
            line-height: 1.5;
        }

        .btn-outline-white {
            background: transparent;
            color: #fff;
            font-weight: 600;
            font-size: 15px;
            padding: 12px 24px;
            border-radius: 12px;
            border: 1px solid rgba(255, 255, 255, 0.4);
            transition: background var(--transition-fast), color var(--transition-fast), border-color var(--transition-fast);
        }

        .btn-outline-white:hover {
            background: rgba(255, 255, 255, 0.12);
            border-color: rgba(255, 255, 255, 0.7);
        }

        /* ============ FOOTER ============ */
        .site-footer {
            background: #080A09;
            color: rgba(255, 255, 255, 0.6);
            padding: var(--space-xl) 0 var(--space-md);
            border-top: 1px solid rgba(255, 255, 255, 0.06);
        }

        .footer-inner {
            display: flex;
            flex-direction: column;
            gap: var(--space-lg);
        }

        .footer-top {
            display: flex;
            justify-content: space-between;
            align-items: flex-start;
            flex-wrap: wrap;
            gap: var(--space-md);
        }

        .footer-brand {
            display: flex;
            flex-direction: column;
            gap: 8px;
        }

        .footer-logo {
            font-size: 22px;
            font-weight: 800;
            color: #fff;
            letter-spacing: -0.3px;
            display: flex;
            align-items: center;
            gap: 8px;
        }

        .footer-logo .logo-mark-sm {
            width: 28px;
            height: 28px;
            border-radius: 8px;
            background: var(--acid);
            display: inline-flex;
            align-items: center;
            justify-content: center;
            font-size: 12px;
            color: var(--charcoal);
            font-weight: 900;
        }

        .footer-desc {
            font-size: 13px;
            color: rgba(255, 255, 255, 0.5);
            max-width: 300px;
            line-height: 1.6;
        }

        .footer-links-group {
            display: flex;
            gap: var(--space-xl);
            flex-wrap: wrap;
        }

        .footer-links-col h5 {
            font-size: 13px;
            font-weight: 700;
            color: #fff;
            margin-bottom: var(--space-xs);
            letter-spacing: 0.5px;
        }

        .footer-links-col a {
            display: block;
            font-size: 13px;
            color: rgba(255, 255, 255, 0.55);
            margin-bottom: 6px;
            transition: color var(--transition-fast);
            line-height: 1.5;
        }

        .footer-links-col a:hover {
            color: var(--acid);
        }

        .footer-bottom {
            border-top: 1px solid rgba(255, 255, 255, 0.08);
            padding-top: var(--space-md);
            display: flex;
            flex-direction: column;
            gap: 8px;
            font-size: 12px;
            color: rgba(255, 255, 255, 0.45);
        }

        .footer-bottom-row {
            display: flex;
            align-items: center;
            gap: var(--space-md);
            flex-wrap: wrap;
        }

        .footer-bottom a {
            color: rgba(255, 255, 255, 0.55);
            transition: color var(--transition-fast);
            font-size: 12px;
        }

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

        .footer-bottom .separator {
            color: rgba(255, 255, 255, 0.2);
        }

        /* ============ REVEAL ANIMATION ============ */
        .reveal {
            opacity: 0;
            transform: translateY(30px);
            transition: opacity 0.6s ease, transform 0.6s ease;
        }

        .reveal.visible {
            opacity: 1;
            transform: translateY(0);
        }

        /* ============ RESPONSIVE ============ */
        @media screen and (max-width: 1024px) {
            :root {
                --space-2xl: 48px;
            }

            .hero-content {
                width: 60%;
                padding-left: var(--space-md);
                padding-right: var(--space-md);
            }
            .hero-visual {
                width: 40%;
            }

            .data-band-inner {
                grid-template-columns: repeat(2, 1fr);
                gap: var(--space-md);
            }
            .data-item:not(:last-child)::after {
                display: none;
            }
            .data-item:nth-child(odd)::after {
                display: none;
            }
            .data-item {
                border-bottom: 1px solid rgba(255, 255, 255, 0.08);
                padding-bottom: var(--space-sm);
            }
            .data-item:nth-child(3),
            .data-item:nth-child(4) {
                border-bottom: none;
            }

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

            .channel-entry-grid {
                grid-template-columns: 1fr;
                grid-template-rows: auto;
            }
            .channel-card-large {
                grid-row: auto;
                min-height: 280px;
            }
            .channel-card-top,
            .channel-card-bottom {
                grid-column: auto;
                grid-row: auto;
                min-height: 200px;
            }

            .matrix-grid {
                grid-template-columns: repeat(3, 1fr);
            }

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

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

        @media screen and (max-width: 768px) {
            :root {
                --space-2xl: 40px;
                --space-xl: 32px;
                --space-lg: 24px;
                --nav-height: 60px;
            }

            .desktop-nav {
                display: none;
            }

            .hamburger {
                display: flex;
            }

            .mobile-drawer {
                display: flex;
            }

            .hero-section {
                flex-direction: column;
                min-height: auto;
            }

            .hero-content {
                width: 100%;
                padding: var(--space-xl) var(--space-md) var(--space-lg);
            }

            .hero-visual {
                width: 100%;
                min-height: 260px;
                order: 2;
            }

            .hero-title {
                font-size: clamp(30px, 7vw, 40px);
            }

            .hero-subtitle {
                font-size: 15px;
            }

            .hero-stats-bar {
                gap: var(--space-sm);
            }

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

            .data-band-inner {
                grid-template-columns: 1fr 1fr;
                gap: var(--space-sm);
            }

            .data-value {
                font-size: 28px;
            }

            .data-label {
                font-size: 12px;
            }

            .matrix-grid {
                grid-template-columns: repeat(2, 1fr);
                gap: var(--space-xs);
            }

            .news-layout {
                grid-template-columns: 1fr;
                gap: var(--space-md);
            }

            .news-item-img {
                width: 80px;
                height: 64px;
            }

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

            .usage-card-img {
                width: 40%;
                min-height: 140px;
            }

            .security-grid {
                grid-template-columns: repeat(2, 1fr);
                gap: var(--space-xs);
            }

            .contact-grid {
                grid-template-columns: 1fr;
                gap: var(--space-lg);
            }

            .footer-top {
                flex-direction: column;
                gap: var(--space-md);
            }
            .footer-links-group {
                gap: var(--space-md);
            }
        }

        @media screen and (max-width: 520px) {
            :root {
                --space-2xl: 32px;
                --space-xl: 24px;
                --space-lg: 20px;
                --space-md: 16px;
                --space-sm: 12px;
                --space-xs: 6px;
            }

            .nav-cta-btn {
                font-size: 12px;
                padding: 8px 14px;
                border-radius: 10px;
            }
            .nav-search-btn {
                width: 34px;
                height: 34px;
                font-size: 14px;
            }
            .logo-link {
                font-size: 16px;
                gap: 6px;
            }
            .logo-link .logo-mark {
                width: 30px;
                height: 30px;
                font-size: 12px;
                border-radius: 8px;
            }
            .hamburger {
                width: 34px;
                height: 34px;
                font-size: 18px;
            }

            .hero-title {
                font-size: 28px;
                letter-spacing: -0.5px;
            }
            .hero-subtitle {
                font-size: 14px;
                line-height: 1.6;
            }
            .hero-badge {
                font-size: 11px;
                padding: 4px 10px;
            }
            .hero-badge-live {
                font-size: 11px;
                padding: 4px 10px;
            }
            .hero-cta-row {
                flex-direction: column;
                gap: var(--space-xs);
            }
            .btn-primary,
            .btn-secondary-outline {
                width: 100%;
                justify-content: center;
                font-size: 14px;
                padding: 12px 20px;
            }
            .hero-stat-value {
                font-size: 20px;
            }
            .hero-stat-label {
                font-size: 11px;
            }
            .hero-stats-bar {
                gap: var(--space-sm);
                flex-wrap: wrap;
            }

            .data-band-inner {
                grid-template-columns: 1fr;
                gap: var(--space-xs);
            }
            .data-item {
                border-bottom: 1px solid rgba(255, 255, 255, 0.08);
                padding-bottom: var(--space-xs);
                text-align: center;
            }
            .data-item:last-child {
                border-bottom: none;
            }

            .matrix-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .matrix-label {
                font-size: 12px;
            }
            .matrix-icon {
                width: 38px;
                height: 38px;
                font-size: 16px;
            }

            .news-item {
                flex-direction: column;
                gap: var(--space-xs);
            }
            .news-item-img {
                width: 100%;
                height: 140px;
                border-radius: 8px;
            }
            .news-item-title {
                font-size: 14px;
            }
            .news-item-excerpt {
                font-size: 12px;
            }

            .usage-card {
                flex-direction: column;
            }
            .usage-card-img {
                width: 100%;
                height: 140px;
            }

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

            .faq-question {
                font-size: 14px;
                padding: var(--space-xs) var(--space-sm);
            }
            .faq-answer-inner {
                font-size: 13px;
                padding: 0 var(--space-sm) var(--space-sm);
            }

            .form-group input,
            .form-group textarea {
                font-size: 14px;
                padding: 10px 12px;
            }

            .footer-bottom {
                font-size: 11px;
            }
            .footer-bottom-row {
                gap: var(--space-xs);
                flex-wrap: wrap;
            }
            .footer-logo {
                font-size: 18px;
            }
        }

/* roulang page: category1 */
:root {
            --charcoal: #0C0F0E;
            --acid: #B7F24A;
            --teal: #2E6B5F;
            --bg: #F4F6F2;
            --surface: #FFFFFF;
            --text: #15201E;
            --text-secondary: #5A6863;
            --border: rgba(12, 15, 14, 0.08);
            --border-strong: rgba(12, 15, 14, 0.16);
            --radius-sm: 10px;
            --radius-md: 16px;
            --radius-lg: 20px;
            --radius-xl: 28px;
            --shadow-sm: 0 4px 12px rgba(0, 0, 0, 0.06);
            --shadow-md: 0 10px 30px rgba(0, 0, 0, 0.08);
            --shadow-lg: 0 20px 50px rgba(0, 0, 0, 0.12);
            --space-xs: 8px;
            --space-sm: 16px;
            --space-md: 24px;
            --space-lg: 32px;
            --space-xl: 48px;
            --space-2xl: 64px;
            --font-display: 'PingFang SC', 'Microsoft YaHei', 'Noto Sans CJK', sans-serif;
            --font-stack: 'PingFang SC', 'Microsoft YaHei', 'Noto Sans CJK', sans-serif;
            --font-mono: 'DIN Alternate', 'Roboto Mono', 'PingFang SC', 'Microsoft YaHei', sans-serif;
            --nav-height: 68px;
            --transition-fast: 0.2s ease;
            --transition-base: 0.25s ease;
            --transition-slow: 0.4s cubic-bezier(0.4, 0, 0.2, 1);
        }

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

        body {
            font-family: var(--font-stack);
            font-size: 16px;
            line-height: 1.65;
            color: var(--text);
            background-color: var(--bg);
            overflow-x: hidden;
            margin: 0;
        }

        img {
            max-width: 100%;
            height: auto;
            display: block;
            border-radius: var(--radius-md);
        }

        a {
            text-decoration: none;
            color: inherit;
            transition: color var(--transition-fast);
        }

        button,
        input,
        textarea,
        select {
            font-family: var(--font-stack);
            font-size: 16px;
            outline: none;
        }

        button {
            cursor: pointer;
            border: none;
            background: none;
        }

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

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

        /* ============ HEADER / NAV ============ */
        .site-header {
            position: fixed;
            top: 0;
            left: 0;
            right: 0;
            z-index: 1000;
            height: var(--nav-height);
            background: rgba(12, 15, 14, 0.85);
            backdrop-filter: blur(8px);
            -webkit-backdrop-filter: blur(8px);
            border-bottom: 1px solid rgba(255, 255, 255, 0.06);
            transition: background var(--transition-base), box-shadow var(--transition-base), height var(--transition-base);
        }

        .site-header.scrolled {
            background: rgba(12, 15, 14, 0.96);
            box-shadow: 0 4px 24px rgba(0, 0, 0, 0.3);
        }

        .nav-inner {
            display: flex;
            align-items: center;
            justify-content: space-between;
            height: 100%;
            position: relative;
        }

        .nav-content-side {
            display: flex;
            align-items: center;
            gap: var(--space-lg);
            flex: 1;
        }

        .nav-visual-side {
            display: flex;
            align-items: center;
            gap: var(--space-sm);
            flex-shrink: 0;
        }

        .logo-link {
            display: flex;
            align-items: center;
            gap: 10px;
            font-weight: 800;
            font-size: 20px;
            color: #fff;
            letter-spacing: -0.3px;
            white-space: nowrap;
            flex-shrink: 0;
        }

        .logo-link .logo-mark {
            width: 36px;
            height: 36px;
            border-radius: 10px;
            background: var(--acid);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 16px;
            color: var(--charcoal);
            font-weight: 900;
            letter-spacing: -0.5px;
            transition: background var(--transition-fast), transform var(--transition-fast);
        }

        .logo-link:hover .logo-mark {
            background: var(--teal);
            color: #fff;
            transform: scale(1.05);
        }

        .desktop-nav {
            display: flex;
            align-items: center;
            gap: var(--space-md);
            list-style: none;
            margin: 0;
            padding: 0;
        }

        .desktop-nav li a {
            color: rgba(255, 255, 255, 0.72);
            font-size: 14px;
            font-weight: 500;
            padding: 8px 12px;
            border-radius: 8px;
            transition: color var(--transition-fast), background var(--transition-fast);
            position: relative;
            white-space: nowrap;
            letter-spacing: 0.2px;
        }

        .desktop-nav li a::after {
            content: '';
            position: absolute;
            bottom: 2px;
            left: 12px;
            width: 0;
            height: 2px;
            background: var(--acid);
            border-radius: 1px;
            transition: width var(--transition-base);
        }

        .desktop-nav li a:hover {
            color: #fff;
        }

        .desktop-nav li a:hover::after {
            width: calc(100% - 24px);
        }

        .desktop-nav li a.active {
            color: #fff;
        }

        .desktop-nav li a.active::after {
            width: calc(100% - 24px);
        }

        .hamburger {
            display: none;
            color: #fff;
            font-size: 20px;
            width: 40px;
            height: 40px;
            border-radius: 8px;
            align-items: center;
            justify-content: center;
            transition: background var(--transition-fast), color var(--transition-fast);
        }

        .hamburger:hover {
            background: rgba(255, 255, 255, 0.12);
            color: var(--acid);
        }

        .nav-search-btn {
            color: rgba(255, 255, 255, 0.72);
            font-size: 16px;
            width: 40px;
            height: 40px;
            border-radius: 8px;
            display: flex;
            align-items: center;
            justify-content: center;
            transition: background var(--transition-fast), color var(--transition-fast);
        }

        .nav-search-btn:hover {
            background: rgba(255, 255, 255, 0.12);
            color: var(--acid);
        }

        .nav-cta-btn {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            padding: 10px 20px;
            border-radius: 10px;
            background: var(--acid);
            color: var(--charcoal);
            font-weight: 700;
            font-size: 14px;
            white-space: nowrap;
            transition: background var(--transition-fast), transform var(--transition-fast);
        }

        .nav-cta-btn:hover {
            background: var(--teal);
            color: #fff;
            transform: scale(1.03);
        }

        .mobile-nav {
            display: none;
            position: fixed;
            top: var(--nav-height);
            left: 0;
            right: 0;
            background: rgba(12, 15, 14, 0.97);
            backdrop-filter: blur(12px);
            -webkit-backdrop-filter: blur(12px);
            border-bottom: 1px solid rgba(255, 255, 255, 0.08);
            z-index: 999;
            padding: var(--space-md) var(--space-md) var(--space-lg);
            transform: translateY(-120%);
            transition: transform var(--transition-slow);
        }

        .mobile-nav.open {
            transform: translateY(0);
        }

        .mobile-nav ul {
            list-style: none;
            margin: 0;
            padding: 0;
            display: flex;
            flex-direction: column;
            gap: var(--space-xs);
        }

        .mobile-nav ul li a {
            display: block;
            padding: 14px 16px;
            color: rgba(255, 255, 255, 0.8);
            font-size: 15px;
            font-weight: 500;
            border-radius: 10px;
        }

        .mobile-nav ul li a:hover,
        .mobile-nav ul li a.active {
            background: rgba(183, 242, 74, 0.12);
            color: var(--acid);
        }

        /* ============ BREADCRUMB ============ */
        .breadcrumb-section {
            padding-top: calc(var(--nav-height) + 32px);
            padding-bottom: 0;
            background: var(--surface);
            border-bottom: 1px solid var(--border);
        }

        .breadcrumb {
            display: flex;
            align-items: center;
            gap: 8px;
            flex-wrap: wrap;
            font-size: 13px;
            color: var(--text-secondary);
            padding: 14px 0;
        }

        .breadcrumb a {
            color: var(--text-secondary);
            transition: color var(--transition-fast);
        }

        .breadcrumb a:hover {
            color: var(--teal);
        }

        .breadcrumb .separator {
            color: var(--border-strong);
            user-select: none;
        }

        .breadcrumb .current {
            color: var(--text);
            font-weight: 600;
        }

        /* ============ PAGE HERO ============ */
        .page-hero {
            background: var(--charcoal);
            padding: var(--space-xl) 0 var(--space-2xl);
            position: relative;
            overflow: hidden;
        }

        .page-hero::before {
            content: '';
            position: absolute;
            top: -80px;
            right: -80px;
            width: 420px;
            height: 420px;
            border-radius: 50%;
            background: radial-gradient(circle, rgba(183, 242, 74, 0.08), transparent 70%);
            pointer-events: none;
        }

        .page-hero::after {
            content: '';
            position: absolute;
            bottom: -100px;
            left: 10%;
            width: 300px;
            height: 300px;
            border-radius: 50%;
            background: radial-gradient(circle, rgba(46, 107, 95, 0.15), transparent 70%);
            pointer-events: none;
        }

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

        .page-hero h1 {
            font-size: 38px;
            font-weight: 800;
            letter-spacing: -0.8px;
            color: #fff;
            margin: 0 0 var(--space-sm);
            line-height: 1.2;
        }

        .page-hero .hero-sub {
            font-size: 17px;
            color: rgba(255, 255, 255, 0.72);
            max-width: 680px;
            line-height: 1.7;
            margin: 0 0 var(--space-md);
        }

        .page-hero .hero-stats {
            display: flex;
            gap: var(--space-lg);
            flex-wrap: wrap;
            margin-top: var(--space-md);
        }

        .hero-stat-item {
            display: flex;
            align-items: baseline;
            gap: 8px;
            color: rgba(255, 255, 255, 0.65);
            font-size: 13px;
        }

        .hero-stat-item .stat-number {
            font-family: var(--font-mono);
            font-size: 28px;
            font-weight: 700;
            color: var(--acid);
            letter-spacing: -0.5px;
        }

        .hero-stat-item .stat-label {
            white-space: nowrap;
        }

        /* ============ SECTION COMMON ============ */
        .section {
            padding: var(--space-2xl) 0;
        }

        .section-header {
            margin-bottom: var(--space-xl);
        }

        .section-header h2 {
            font-size: 30px;
            font-weight: 800;
            letter-spacing: -0.5px;
            color: var(--charcoal);
            margin: 0 0 var(--space-xs);
            line-height: 1.2;
        }

        .section-header p {
            font-size: 16px;
            color: var(--text-secondary);
            margin: 0;
            max-width: 600px;
        }

        .section-header .section-tag {
            display: inline-block;
            padding: 4px 12px;
            border-radius: 20px;
            background: rgba(183, 242, 74, 0.15);
            color: var(--teal);
            font-size: 12px;
            font-weight: 700;
            letter-spacing: 0.3px;
            margin-bottom: var(--space-sm);
            text-transform: uppercase;
        }

        /* ============ FILTER TAGS ============ */
        .filter-bar {
            display: flex;
            align-items: center;
            gap: var(--space-xs);
            flex-wrap: wrap;
            padding: var(--space-sm) 0;
            border-bottom: 1px solid var(--border);
            margin-bottom: var(--space-lg);
        }

        .filter-bar .filter-label {
            font-size: 13px;
            font-weight: 600;
            color: var(--text-secondary);
            margin-right: var(--space-xs);
            white-space: nowrap;
        }

        .filter-tag {
            padding: 8px 16px;
            border-radius: 20px;
            font-size: 13px;
            font-weight: 500;
            color: var(--text-secondary);
            background: var(--surface);
            border: 1px solid var(--border-strong);
            transition: all var(--transition-fast);
            white-space: nowrap;
        }

        .filter-tag:hover {
            border-color: var(--teal);
            color: var(--teal);
        }

        .filter-tag.active {
            background: var(--acid);
            color: var(--charcoal);
            border-color: var(--acid);
            font-weight: 700;
        }

        .filter-tag:focus-visible {
            outline: 2px solid var(--teal);
            outline-offset: 2px;
        }

        /* ============ NEWS LIST ============ */
        .news-list-section {
            background: var(--bg);
        }

        .news-featured-card {
            display: grid;
            grid-template-columns: 1.2fr 1fr;
            gap: var(--space-lg);
            background: var(--surface);
            border-radius: var(--radius-lg);
            overflow: hidden;
            box-shadow: var(--shadow-md);
            margin-bottom: var(--space-lg);
            transition: box-shadow var(--transition-base), transform var(--transition-base);
        }

        .news-featured-card:hover {
            box-shadow: var(--shadow-lg);
            transform: translateY(-4px);
        }

        .news-featured-image {
            min-height: 280px;
            overflow: hidden;
            background: var(--charcoal);
        }

        .news-featured-image img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            border-radius: 0;
        }

        .news-featured-content {
            display: flex;
            flex-direction: column;
            justify-content: center;
            padding: var(--space-lg);
        }

        .news-date {
            font-size: 13px;
            color: var(--text-secondary);
            font-weight: 500;
            margin-bottom: var(--space-xs);
            display: flex;
            align-items: center;
            gap: 6px;
        }

        .news-date .date-icon {
            color: var(--teal);
            font-size: 13px;
        }

        .news-featured-content h3 {
            font-size: 22px;
            font-weight: 700;
            color: var(--charcoal);
            margin: 0 0 var(--space-sm);
            letter-spacing: -0.3px;
            line-height: 1.35;
        }

        .news-featured-content .news-summary {
            font-size: 15px;
            color: var(--text-secondary);
            line-height: 1.7;
            margin: 0 0 var(--space-sm);
        }

        .news-tag {
            display: inline-block;
            padding: 3px 10px;
            border-radius: 12px;
            font-size: 11px;
            font-weight: 600;
            letter-spacing: 0.3px;
            margin-bottom: var(--space-xs);
            background: rgba(46, 107, 95, 0.1);
            color: var(--teal);
        }

        .read-more-btn {
            align-self: flex-end;
            display: inline-flex;
            align-items: center;
            gap: 6px;
            font-size: 14px;
            font-weight: 600;
            color: var(--text-secondary);
            transition: color var(--transition-fast);
            position: relative;
            padding-bottom: 2px;
        }

        .read-more-btn::after {
            content: '';
            position: absolute;
            bottom: 0;
            left: 0;
            width: 0;
            height: 2px;
            background: var(--teal);
            border-radius: 1px;
            transition: width var(--transition-base);
        }

        .read-more-btn:hover {
            color: var(--teal);
        }

        .read-more-btn:hover::after {
            width: 100%;
        }

        .read-more-btn .arrow-icon {
            font-size: 12px;
            transition: transform var(--transition-fast);
        }

        .read-more-btn:hover .arrow-icon {
            transform: translateX(4px);
        }

        .news-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: var(--space-md);
        }

        .news-card {
            background: var(--surface);
            border-radius: var(--radius-md);
            overflow: hidden;
            box-shadow: var(--shadow-sm);
            transition: box-shadow var(--transition-base), transform var(--transition-base);
            display: flex;
            flex-direction: column;
        }

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

        .news-card-image {
            height: 180px;
            overflow: hidden;
            background: var(--charcoal);
            position: relative;
        }

        .news-card-image img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            border-radius: 0;
            transition: transform var(--transition-slow);
        }

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

        .news-card-body {
            padding: var(--space-md);
            display: flex;
            flex-direction: column;
            flex: 1;
        }

        .news-card-body .news-date {
            margin-bottom: var(--space-xs);
        }

        .news-card-body h4 {
            font-size: 16px;
            font-weight: 700;
            color: var(--charcoal);
            margin: 0 0 var(--space-xs);
            line-height: 1.45;
        }

        .news-card-body .news-summary {
            font-size: 13px;
            color: var(--text-secondary);
            line-height: 1.6;
            margin: 0 0 var(--space-sm);
            flex: 1;
        }

        .news-card-body .read-more-btn {
            align-self: flex-end;
            font-size: 13px;
        }

        /* ============ LOAD MORE ============ */
        .load-more-section {
            text-align: center;
            padding: var(--space-lg) 0 var(--space-xs);
        }

        .load-more-btn {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            padding: 14px 32px;
            border-radius: 12px;
            background: var(--surface);
            color: var(--text);
            font-weight: 600;
            font-size: 15px;
            border: 1px solid var(--border-strong);
            transition: all var(--transition-fast);
        }

        .load-more-btn:hover {
            border-color: var(--teal);
            color: var(--teal);
            background: rgba(46, 107, 95, 0.04);
            transform: translateY(-2px);
        }

        .load-more-btn .loader-icon {
            font-size: 14px;
            animation: spin 1.2s linear infinite;
        }

        @keyframes spin {
            0% {
                transform: rotate(0deg);
            }
            100% {
                transform: rotate(360deg);
            }
        }

        .load-hint {
            font-size: 13px;
            color: var(--text-secondary);
            margin-top: var(--space-sm);
        }

        /* ============ BRAND INTRO ============ */
        .brand-intro-section {
            background: var(--charcoal);
            padding: var(--space-2xl) 0;
            position: relative;
            overflow: hidden;
        }

        .brand-intro-section::before {
            content: '';
            position: absolute;
            top: -120px;
            left: 20%;
            width: 500px;
            height: 500px;
            border-radius: 50%;
            background: radial-gradient(circle, rgba(46, 107, 95, 0.2), transparent 70%);
            pointer-events: none;
        }

        .brand-intro-section .container {
            position: relative;
            z-index: 1;
        }

        .brand-intro-grid {
            display: grid;
            grid-template-columns: 1fr 1.2fr;
            gap: var(--space-xl);
            align-items: center;
        }

        .brand-intro-image {
            height: 320px;
            border-radius: var(--radius-lg);
            overflow: hidden;
            background: rgba(255, 255, 255, 0.04);
            border: 1px solid rgba(255, 255, 255, 0.08);
        }

        .brand-intro-image img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            border-radius: 0;
            opacity: 0.9;
        }

        .brand-intro-content h2 {
            font-size: 26px;
            font-weight: 800;
            color: #fff;
            letter-spacing: -0.5px;
            margin: 0 0 var(--space-sm);
        }

        .brand-intro-content p {
            color: rgba(255, 255, 255, 0.7);
            font-size: 15px;
            line-height: 1.8;
            margin: 0 0 var(--space-sm);
        }

        .brand-intro-content p:last-of-type {
            margin-bottom: 0;
        }

        .brand-highlight {
            color: var(--acid);
            font-weight: 600;
        }

        /* ============ DATA SNAPSHOT ============ */
        .data-snapshot-section {
            background: var(--surface);
            border-top: 1px solid var(--border);
            border-bottom: 1px solid var(--border);
            padding: var(--space-xl) 0;
        }

        .snapshot-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: var(--space-md);
        }

        .snapshot-item {
            text-align: center;
            padding: var(--space-md);
            background: var(--bg);
            border-radius: var(--radius-md);
            border: 1px solid var(--border);
            transition: transform var(--transition-fast), box-shadow var(--transition-fast);
        }

        .snapshot-item:hover {
            transform: translateY(-3px);
            box-shadow: var(--shadow-sm);
        }

        .snapshot-number {
            font-family: var(--font-mono);
            font-size: 34px;
            font-weight: 700;
            color: var(--teal);
            letter-spacing: -0.5px;
            display: block;
            line-height: 1;
            margin-bottom: var(--space-xs);
        }

        .snapshot-number .unit {
            font-size: 16px;
            font-weight: 600;
            color: var(--text-secondary);
        }

        .snapshot-label {
            font-size: 13px;
            color: var(--text-secondary);
            font-weight: 500;
        }

        /* ============ FAQ ============ */
        .faq-section {
            background: var(--bg);
            padding: var(--space-2xl) 0;
        }

        .faq-list {
            display: flex;
            flex-direction: column;
            gap: var(--space-sm);
            max-width: 820px;
            margin: 0 auto;
        }

        .faq-item {
            background: var(--surface);
            border-radius: var(--radius-md);
            border: 1px solid var(--border);
            overflow: hidden;
            transition: border-color var(--transition-base), box-shadow var(--transition-base);
        }

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

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

        .faq-question {
            display: flex;
            align-items: center;
            justify-content: space-between;
            width: 100%;
            padding: 16px 20px;
            font-size: 16px;
            font-weight: 600;
            color: var(--text);
            gap: var(--space-sm);
            text-align: left;
            transition: color var(--transition-fast), background var(--transition-fast);
        }

        .faq-question:hover {
            background: rgba(46, 107, 95, 0.04);
        }

        .faq-question:focus-visible {
            outline: 2px solid var(--teal);
            outline-offset: -2px;
            border-radius: var(--radius-md);
        }

        .faq-icon {
            flex-shrink: 0;
            width: 28px;
            height: 28px;
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 13px;
            color: var(--text-secondary);
            background: var(--bg);
            transition: transform var(--transition-base), background var(--transition-base), color var(--transition-base);
        }

        .faq-item.active .faq-icon {
            background: var(--teal);
            color: #fff;
            transform: rotate(45deg);
        }

        .faq-answer {
            max-height: 0;
            overflow: hidden;
            transition: max-height var(--transition-slow), padding var(--transition-base);
        }

        .faq-item.active .faq-answer {
            max-height: 300px;
        }

        .faq-answer-inner {
            padding: 0 20px 16px;
            color: var(--text-secondary);
            font-size: 14px;
            line-height: 1.75;
        }

        /* ============ CTA SECTION ============ */
        .cta-section {
            background: var(--charcoal);
            padding: var(--space-2xl) 0;
            position: relative;
            overflow: hidden;
        }

        .cta-section::before {
            content: '';
            position: absolute;
            bottom: -100px;
            right: -60px;
            width: 350px;
            height: 350px;
            border-radius: 50%;
            background: radial-gradient(circle, rgba(183, 242, 74, 0.1), transparent 70%);
            pointer-events: none;
        }

        .cta-section .container {
            position: relative;
            z-index: 1;
        }

        .cta-grid {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: var(--space-xl);
            align-items: start;
        }

        .cta-form-wrapper {
            background: rgba(255, 255, 255, 0.04);
            border: 1px solid rgba(255, 255, 255, 0.1);
            border-radius: var(--radius-lg);
            padding: var(--space-lg);
        }

        .cta-form-wrapper h3 {
            color: #fff;
            font-size: 20px;
            font-weight: 700;
            margin: 0 0 var(--space-sm);
            letter-spacing: -0.3px;
        }

        .cta-form-wrapper p {
            color: rgba(255, 255, 255, 0.65);
            font-size: 14px;
            margin: 0 0 var(--space-md);
        }

        .form-group {
            margin-bottom: var(--space-sm);
        }

        .form-group label {
            display: block;
            color: rgba(255, 255, 255, 0.7);
            font-size: 13px;
            font-weight: 500;
            margin-bottom: 6px;
        }

        .form-group input,
        .form-group textarea {
            width: 100%;
            padding: 12px 16px;
            border-radius: 8px;
            border: 1px solid rgba(255, 255, 255, 0.15);
            background: rgba(12, 15, 14, 0.6);
            color: #fff;
            font-size: 14px;
            font-family: var(--font-stack);
            transition: border-color var(--transition-fast), box-shadow var(--transition-fast);
        }

        .form-group input::placeholder,
        .form-group textarea::placeholder {
            color: rgba(255, 255, 255, 0.35);
        }

        .form-group input:focus,
        .form-group textarea:focus {
            border-color: var(--acid);
            box-shadow: 0 0 0 3px rgba(183, 242, 74, 0.15);
        }

        .form-group textarea {
            resize: vertical;
            min-height: 90px;
        }

        .cta-form-btn {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            padding: 13px 28px;
            border-radius: 10px;
            background: var(--acid);
            color: var(--charcoal);
            font-weight: 700;
            font-size: 15px;
            transition: background var(--transition-fast), transform var(--transition-fast);
        }

        .cta-form-btn:hover {
            background: var(--teal);
            color: #fff;
            transform: scale(1.02);
        }

        .cta-form-btn:focus-visible {
            outline: 2px solid var(--acid);
            outline-offset: 2px;
        }

        .cta-contact-info {
            color: rgba(255, 255, 255, 0.8);
        }

        .cta-contact-info h3 {
            color: #fff;
            font-size: 20px;
            font-weight: 700;
            margin: 0 0 var(--space-sm);
            letter-spacing: -0.3px;
        }

        .cta-contact-info p {
            font-size: 15px;
            line-height: 1.7;
            margin: 0 0 var(--space-md);
        }

        .cta-contact-list {
            list-style: none;
            margin: 0 0 var(--space-md);
            padding: 0;
            display: flex;
            flex-direction: column;
            gap: var(--space-sm);
        }

        .cta-contact-list li {
            display: flex;
            align-items: center;
            gap: 10px;
            font-size: 14px;
            color: rgba(255, 255, 255, 0.7);
        }

        .cta-contact-list li .contact-icon {
            width: 32px;
            height: 32px;
            border-radius: 50%;
            background: rgba(183, 242, 74, 0.12);
            color: var(--acid);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 13px;
            flex-shrink: 0;
        }

        .cta-alt-btn {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            padding: 12px 24px;
            border-radius: 10px;
            border: 1px solid rgba(255, 255, 255, 0.25);
            color: #fff;
            font-weight: 600;
            font-size: 14px;
            transition: background var(--transition-fast), border-color var(--transition-fast);
        }

        .cta-alt-btn:hover {
            background: rgba(255, 255, 255, 0.08);
            border-color: rgba(255, 255, 255, 0.4);
        }

        /* ============ FOOTER ============ */
        .site-footer {
            background: var(--charcoal);
            border-top: 1px solid rgba(255, 255, 255, 0.06);
            padding: var(--space-xl) 0 var(--space-md);
            color: rgba(255, 255, 255, 0.7);
        }

        .footer-inner {
            display: flex;
            flex-direction: column;
            gap: var(--space-lg);
        }

        .footer-top {
            display: flex;
            justify-content: space-between;
            gap: var(--space-xl);
            flex-wrap: wrap;
        }

        .footer-brand {
            max-width: 320px;
        }

        .footer-logo {
            display: flex;
            align-items: center;
            gap: 10px;
            font-weight: 800;
            font-size: 18px;
            color: #fff;
            letter-spacing: -0.3px;
            margin-bottom: var(--space-sm);
        }

        .logo-mark-sm {
            width: 32px;
            height: 32px;
            border-radius: 8px;
            background: var(--acid);
            display: inline-flex;
            align-items: center;
            justify-content: center;
            font-size: 14px;
            color: var(--charcoal);
            font-weight: 900;
            flex-shrink: 0;
        }

        .footer-desc {
            font-size: 13px;
            line-height: 1.7;
            margin: 0;
            color: rgba(255, 255, 255, 0.55);
        }

        .footer-links-group {
            display: flex;
            gap: var(--space-xl);
            flex-wrap: wrap;
        }

        .footer-links-col h5 {
            color: #fff;
            font-size: 13px;
            font-weight: 700;
            margin: 0 0 var(--space-sm);
            letter-spacing: 0.3px;
        }

        .footer-links-col {
            display: flex;
            flex-direction: column;
            gap: 8px;
        }

        .footer-links-col a {
            color: rgba(255, 255, 255, 0.55);
            font-size: 13px;
            transition: color var(--transition-fast);
        }

        .footer-links-col a:hover {
            color: var(--acid);
        }

        .footer-bottom {
            display: flex;
            flex-direction: column;
            gap: var(--space-xs);
            padding-top: var(--space-md);
            border-top: 1px solid rgba(255, 255, 255, 0.08);
            font-size: 12px;
            color: rgba(255, 255, 255, 0.45);
        }

        .footer-bottom-row {
            display: flex;
            align-items: center;
            gap: 10px;
            flex-wrap: wrap;
        }

        .footer-bottom-row a {
            color: rgba(255, 255, 255, 0.55);
            font-size: 12px;
            transition: color var(--transition-fast);
        }

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

        .separator {
            color: rgba(255, 255, 255, 0.25);
            user-select: none;
        }

        /* ============ RESPONSIVE ============ */
        @media (max-width: 1024px) {
            .news-grid {
                grid-template-columns: repeat(2, 1fr);
            }

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

            .cta-grid {
                grid-template-columns: 1fr;
                gap: var(--space-lg);
            }

            .brand-intro-grid {
                grid-template-columns: 1fr;
                gap: var(--space-lg);
            }

            .brand-intro-image {
                height: 240px;
            }

            .page-hero h1 {
                font-size: 32px;
            }
        }

        @media (max-width: 768px) {
            :root {
                --nav-height: 60px;
                --space-2xl: 48px;
                --space-xl: 32px;
                --space-lg: 24px;
                --space-md: 16px;
            }

            .desktop-nav {
                display: none;
            }

            .hamburger {
                display: flex;
            }

            .mobile-nav {
                display: block;
            }

            .news-featured-card {
                grid-template-columns: 1fr;
            }

            .news-featured-image {
                min-height: 200px;
            }

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

            .snapshot-grid {
                grid-template-columns: repeat(2, 1fr);
                gap: var(--space-sm);
            }

            .snapshot-number {
                font-size: 26px;
            }

            .footer-top {
                flex-direction: column;
                gap: var(--space-md);
            }

            .footer-links-group {
                gap: var(--space-md);
            }

            .page-hero {
                padding: var(--space-lg) 0 var(--space-xl);
            }

            .page-hero h1 {
                font-size: 26px;
            }

            .page-hero .hero-sub {
                font-size: 15px;
            }

            .hero-stat-item .stat-number {
                font-size: 22px;
            }

            .breadcrumb-section {
                padding-top: calc(var(--nav-height) + 16px);
            }

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

        @media (max-width: 520px) {
            :root {
                --space-2xl: 32px;
                --space-xl: 24px;
                --space-lg: 20px;
                --space-md: 16px;
                --space-sm: 12px;
                --space-xs: 6px;
            }

            .page-hero h1 {
                font-size: 22px;
                letter-spacing: -0.3px;
            }

            .hero-stat-item {
                flex-direction: column;
                align-items: flex-start;
                gap: 2px;
            }

            .hero-stat-item .stat-number {
                font-size: 20px;
            }

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

            .snapshot-number {
                font-size: 22px;
            }

            .nav-cta-btn {
                padding: 8px 16px;
                font-size: 13px;
            }

            .logo-link {
                font-size: 17px;
            }

            .logo-link .logo-mark {
                width: 30px;
                height: 30px;
                font-size: 14px;
                border-radius: 8px;
            }

            .section-header h2 {
                font-size: 24px;
            }

            .news-featured-content {
                padding: var(--space-md);
            }

            .news-featured-content h3 {
                font-size: 18px;
            }

            .footer-bottom-row {
                flex-direction: column;
                align-items: flex-start;
                gap: 4px;
            }

            .separator {
                display: none;
            }

            .footer-bottom-row {
                gap: 2px;
            }
        }

/* roulang page: category2 */
:root {
            --charcoal: #0C0F0E;
            --acid: #B7F24A;
            --teal: #2E6B5F;
            --bg: #F4F6F2;
            --surface: #FFFFFF;
            --text: #15201E;
            --text-secondary: #5A6863;
            --border: rgba(12, 15, 14, 0.08);
            --border-strong: rgba(12, 15, 14, 0.16);
            --radius-sm: 10px;
            --radius-md: 16px;
            --radius-lg: 20px;
            --radius-xl: 28px;
            --shadow-sm: 0 4px 12px rgba(0, 0, 0, 0.06);
            --shadow-md: 0 10px 30px rgba(0, 0, 0, 0.08);
            --shadow-lg: 0 20px 50px rgba(0, 0, 0, 0.12);
            --space-xs: 8px;
            --space-sm: 16px;
            --space-md: 24px;
            --space-lg: 32px;
            --space-xl: 48px;
            --space-2xl: 64px;
            --font-display: 'PingFang SC', 'Microsoft YaHei', 'Noto Sans CJK', sans-serif;
            --font-stack: 'PingFang SC', 'Microsoft YaHei', 'Noto Sans CJK', sans-serif;
            --font-mono: 'DIN Alternate', 'Roboto Mono', 'PingFang SC', 'Microsoft YaHei', sans-serif;
            --nav-height: 68px;
            --transition-fast: 0.2s ease;
            --transition-base: 0.25s ease;
            --transition-slow: 0.4s cubic-bezier(0.4, 0, 0.2, 1);
        }

        @media (max-width: 1024px) {
            :root {
                --space-2xl: 48px;
            }
        }
        @media (max-width: 768px) {
            :root {
                --space-2xl: 40px;
                --space-xl: 32px;
                --space-lg: 24px;
                --nav-height: 60px;
            }
        }
        @media (max-width: 520px) {
            :root {
                --space-2xl: 32px;
                --space-xl: 24px;
                --space-lg: 20px;
                --space-md: 16px;
                --space-sm: 12px;
                --space-xs: 6px;
            }
        }

        html {
            scroll-behavior: smooth;
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
            text-rendering: optimizeLegibility;
        }
        *,
        *::before,
        *::after {
            box-sizing: border-box;
            margin: 0;
            padding: 0;
        }
        body {
            font-family: var(--font-stack);
            font-size: 16px;
            line-height: 1.65;
            color: var(--text);
            background-color: var(--bg);
            overflow-x: hidden;
            min-height: 100vh;
        }
        img {
            max-width: 100%;
            height: auto;
            display: block;
            border-radius: var(--radius-md);
        }
        a {
            text-decoration: none;
            color: inherit;
            transition: color var(--transition-fast);
        }
        button,
        input,
        textarea,
        select {
            font-family: var(--font-stack);
            font-size: 16px;
            outline: none;
            border: none;
        }
        button {
            cursor: pointer;
            background: none;
        }
        ul,
        ol {
            list-style: none;
        }
        .container {
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 var(--space-md);
        }

        /* ============ HEADER / NAV ============ */
        .site-header {
            position: fixed;
            top: 0;
            left: 0;
            right: 0;
            z-index: 1000;
            height: var(--nav-height);
            background: rgba(12, 15, 14, 0.85);
            backdrop-filter: blur(8px);
            -webkit-backdrop-filter: blur(8px);
            border-bottom: 1px solid rgba(255, 255, 255, 0.06);
            transition: background var(--transition-base), box-shadow var(--transition-base), height var(--transition-base);
        }
        .site-header.scrolled {
            background: rgba(12, 15, 14, 0.96);
            box-shadow: 0 4px 24px rgba(0, 0, 0, 0.3);
        }
        .nav-inner {
            display: flex;
            align-items: center;
            justify-content: space-between;
            height: 100%;
            position: relative;
        }
        .nav-content-side {
            display: flex;
            align-items: center;
            gap: var(--space-lg);
            flex: 1;
            min-width: 0;
        }
        .nav-visual-side {
            display: flex;
            align-items: center;
            gap: var(--space-sm);
            flex-shrink: 0;
        }
        .logo-link {
            display: flex;
            align-items: center;
            gap: 10px;
            font-weight: 800;
            font-size: 20px;
            color: #fff;
            letter-spacing: -0.3px;
            white-space: nowrap;
            flex-shrink: 0;
        }
        .logo-link .logo-mark {
            width: 36px;
            height: 36px;
            border-radius: 10px;
            background: var(--acid);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 16px;
            color: var(--charcoal);
            font-weight: 900;
            letter-spacing: -0.5px;
            transition: background var(--transition-fast), transform var(--transition-fast);
        }
        .logo-link:hover .logo-mark {
            background: var(--teal);
            color: #fff;
            transform: scale(1.05);
        }
        .desktop-nav {
            display: flex;
            align-items: center;
            gap: var(--space-sm);
            list-style: none;
            flex-wrap: nowrap;
        }
        .desktop-nav li a {
            color: rgba(255, 255, 255, 0.72);
            font-size: 14px;
            font-weight: 500;
            padding: 8px 14px;
            border-radius: 8px;
            transition: color var(--transition-fast), background var(--transition-fast);
            position: relative;
            white-space: nowrap;
            letter-spacing: 0.2px;
        }
        .desktop-nav li a::after {
            content: '';
            position: absolute;
            bottom: 2px;
            left: 12px;
            width: 0;
            height: 2px;
            background: var(--acid);
            border-radius: 1px;
            transition: width var(--transition-base);
        }
        .desktop-nav li a:hover {
            color: #fff;
            background: rgba(255, 255, 255, 0.06);
        }
        .desktop-nav li a:hover::after {
            width: calc(100% - 24px);
        }
        .desktop-nav li a.active {
            color: #fff;
            background: rgba(183, 242, 74, 0.12);
            font-weight: 600;
        }
        .desktop-nav li a.active::after {
            width: calc(100% - 24px);
            background: var(--acid);
        }
        .hamburger {
            display: none;
            color: #fff;
            font-size: 22px;
            padding: 8px;
            border-radius: 8px;
            transition: background var(--transition-fast), color var(--transition-fast);
            flex-shrink: 0;
        }
        .hamburger:hover {
            background: rgba(255, 255, 255, 0.08);
            color: var(--acid);
        }
        .nav-search-btn {
            display: flex;
            align-items: center;
            justify-content: center;
            width: 40px;
            height: 40px;
            border-radius: 10px;
            color: rgba(255, 255, 255, 0.75);
            font-size: 16px;
            transition: color var(--transition-fast), background var(--transition-fast);
            flex-shrink: 0;
        }
        .nav-search-btn:hover {
            color: #fff;
            background: rgba(255, 255, 255, 0.08);
        }
        .nav-cta-btn {
            background: var(--acid);
            color: var(--charcoal);
            font-weight: 700;
            font-size: 14px;
            padding: 10px 20px;
            border-radius: 10px;
            transition: background var(--transition-fast), transform var(--transition-fast);
            white-space: nowrap;
            flex-shrink: 0;
            letter-spacing: 0.2px;
        }
        .nav-cta-btn:hover {
            background: var(--teal);
            color: #fff;
            transform: scale(1.03);
        }
        .nav-cta-btn:focus-visible,
        .nav-search-btn:focus-visible,
        .hamburger:focus-visible,
        .desktop-nav li a:focus-visible {
            outline: 2px solid var(--acid);
            outline-offset: 2px;
        }

        /* Mobile Nav */
        .mobile-nav {
            display: none;
            position: fixed;
            top: var(--nav-height);
            left: 0;
            right: 0;
            z-index: 999;
            background: rgba(12, 15, 14, 0.97);
            backdrop-filter: blur(12px);
            -webkit-backdrop-filter: blur(12px);
            border-bottom: 1px solid rgba(255, 255, 255, 0.08);
            padding: var(--space-md) var(--space-md) var(--space-lg);
            transform: translateY(-100%);
            transition: transform var(--transition-slow);
            overflow-y: auto;
            max-height: calc(100vh - var(--nav-height));
        }
        .mobile-nav.open {
            transform: translateY(0);
        }
        .mobile-nav a {
            display: block;
            color: rgba(255, 255, 255, 0.8);
            font-size: 17px;
            font-weight: 500;
            padding: 14px 12px;
            border-radius: 10px;
            transition: color var(--transition-fast), background var(--transition-fast);
            border-bottom: 1px solid rgba(255, 255, 255, 0.05);
        }
        .mobile-nav a:last-child {
            border-bottom: none;
        }
        .mobile-nav a:hover {
            color: #fff;
            background: rgba(255, 255, 255, 0.06);
        }
        .mobile-nav a.active {
            color: var(--acid);
            font-weight: 600;
            background: rgba(183, 242, 74, 0.08);
        }

        /* ============ BREADCRUMB ============ */
        .breadcrumb-section {
            padding-top: calc(var(--nav-height) + var(--space-md));
            padding-bottom: 0;
            background: var(--bg);
        }
        .breadcrumb {
            display: flex;
            align-items: center;
            gap: 8px;
            font-size: 13px;
            color: var(--text-secondary);
            flex-wrap: wrap;
            padding: var(--space-sm) 0;
        }
        .breadcrumb a {
            color: var(--text-secondary);
            transition: color var(--transition-fast);
        }
        .breadcrumb a:hover {
            color: var(--teal);
        }
        .breadcrumb .separator {
            color: var(--border-strong);
            font-size: 11px;
        }
        .breadcrumb .current {
            color: var(--text);
            font-weight: 600;
        }

        /* ============ PAGE HERO ============ */
        .page-hero {
            background: var(--surface);
            border: 1px solid var(--border);
            border-radius: var(--radius-lg);
            padding: var(--space-xl) var(--space-lg);
            margin: var(--space-md) 0 var(--space-xl);
            position: relative;
            overflow: hidden;
            box-shadow: var(--shadow-sm);
        }
        .page-hero::after {
            content: '';
            position: absolute;
            top: 0;
            right: 0;
            width: 35%;
            height: 100%;
            background: linear-gradient(135deg, rgba(183, 242, 74, 0.06) 0%, rgba(46, 107, 95, 0.05) 100%);
            pointer-events: none;
        }
        .page-hero-inner {
            display: flex;
            align-items: center;
            gap: var(--space-xl);
            position: relative;
            z-index: 1;
        }
        .page-hero-content {
            flex: 1.2;
            min-width: 0;
        }
        .page-hero-content h1 {
            font-size: 38px;
            font-weight: 800;
            letter-spacing: -0.5px;
            line-height: 1.25;
            color: var(--charcoal);
            margin-bottom: var(--space-md);
        }
        .page-hero-content h1 .highlight {
            color: var(--teal);
            position: relative;
            display: inline-block;
        }
        .page-hero-content h1 .highlight::after {
            content: '';
            position: absolute;
            bottom: 4px;
            left: 0;
            width: 100%;
            height: 6px;
            background: rgba(183, 242, 74, 0.35);
            border-radius: 3px;
            z-index: -1;
        }
        .page-hero-subtitle {
            font-size: 17px;
            color: var(--text-secondary);
            line-height: 1.7;
            max-width: 560px;
            margin-bottom: var(--space-lg);
        }
        .page-hero-actions {
            display: flex;
            align-items: center;
            gap: var(--space-sm);
            flex-wrap: wrap;
        }
        .btn-primary {
            background: var(--charcoal);
            color: #fff;
            font-weight: 600;
            font-size: 15px;
            padding: 14px 28px;
            border-radius: 12px;
            transition: background var(--transition-fast), transform var(--transition-fast);
            letter-spacing: 0.2px;
            display: inline-flex;
            align-items: center;
            gap: 8px;
        }
        .btn-primary:hover {
            background: var(--teal);
            transform: translateY(-2px);
        }
        .btn-primary:focus-visible {
            outline: 2px solid var(--acid);
            outline-offset: 2px;
        }
        .btn-secondary {
            background: transparent;
            color: var(--charcoal);
            font-weight: 600;
            font-size: 15px;
            padding: 14px 24px;
            border-radius: 12px;
            border: 1.5px solid var(--border-strong);
            transition: border-color var(--transition-fast), background var(--transition-fast), color var(--transition-fast);
            letter-spacing: 0.2px;
            display: inline-flex;
            align-items: center;
            gap: 8px;
        }
        .btn-secondary:hover {
            border-color: var(--teal);
            background: rgba(46, 107, 95, 0.06);
            color: var(--teal);
        }
        .btn-secondary:focus-visible {
            outline: 2px solid var(--teal);
            outline-offset: 2px;
        }
        .page-hero-visual {
            flex: 0.8;
            min-width: 0;
            border-radius: var(--radius-md);
            overflow: hidden;
            position: relative;
        }
        .page-hero-visual img {
            width: 100%;
            height: 260px;
            object-fit: cover;
            border-radius: var(--radius-md);
            box-shadow: var(--shadow-md);
        }
        .page-hero-visual .overlay-badge {
            position: absolute;
            bottom: 16px;
            left: 16px;
            background: rgba(12, 15, 14, 0.85);
            color: #fff;
            font-size: 13px;
            font-weight: 500;
            padding: 8px 16px;
            border-radius: 8px;
            backdrop-filter: blur(6px);
            -webkit-backdrop-filter: blur(6px);
        }

        /* ============ FILTER TAGS ============ */
        .filter-section {
            margin-bottom: var(--space-xl);
        }
        .filter-tags-bar {
            display: flex;
            align-items: center;
            gap: var(--space-xs);
            flex-wrap: wrap;
            background: var(--surface);
            border: 1px solid var(--border);
            border-radius: var(--radius-md);
            padding: var(--space-sm);
            box-shadow: var(--shadow-sm);
        }
        .filter-label {
            font-size: 13px;
            color: var(--text-secondary);
            font-weight: 600;
            padding: 0 var(--space-xs);
            flex-shrink: 0;
        }
        .filter-tag {
            padding: 8px 16px;
            border-radius: 8px;
            font-size: 13px;
            font-weight: 500;
            color: var(--text-secondary);
            background: transparent;
            transition: all var(--transition-fast);
            white-space: nowrap;
            border: 1px solid transparent;
        }
        .filter-tag:hover {
            color: var(--charcoal);
            background: rgba(12, 15, 14, 0.05);
        }
        .filter-tag.active {
            color: var(--charcoal);
            background: var(--acid);
            font-weight: 600;
            border-color: transparent;
        }
        .filter-tag:focus-visible {
            outline: 2px solid var(--teal);
            outline-offset: 2px;
        }

        /* ============ DATA CARDS ============ */
        .data-cards-section {
            margin-bottom: var(--space-xl);
        }
        .section-title {
            font-size: 28px;
            font-weight: 700;
            letter-spacing: -0.3px;
            color: var(--charcoal);
            margin-bottom: var(--space-xs);
            line-height: 1.3;
        }
        .section-desc {
            font-size: 16px;
            color: var(--text-secondary);
            margin-bottom: var(--space-lg);
            max-width: 680px;
            line-height: 1.7;
        }
        .data-cards-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: var(--space-md);
        }
        .data-card {
            background: var(--surface);
            border: 1px solid var(--border);
            border-radius: var(--radius-md);
            padding: var(--space-md);
            transition: transform var(--transition-base), box-shadow var(--transition-base), border-color var(--transition-base);
            position: relative;
            overflow: hidden;
        }
        .data-card::before {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            width: 100%;
            height: 3px;
            background: var(--teal);
            opacity: 0;
            transition: opacity var(--transition-base);
        }
        .data-card:hover {
            transform: translateY(-4px);
            box-shadow: var(--shadow-md);
            border-color: var(--border-strong);
        }
        .data-card:hover::before {
            opacity: 1;
        }
        .data-card .icon-badge {
            width: 44px;
            height: 44px;
            border-radius: 12px;
            background: rgba(46, 107, 95, 0.08);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 18px;
            color: var(--teal);
            margin-bottom: var(--space-sm);
        }
        .data-card .data-value {
            font-family: var(--font-mono);
            font-size: 30px;
            font-weight: 700;
            color: var(--charcoal);
            letter-spacing: -0.5px;
            line-height: 1.2;
            margin-bottom: 4px;
        }
        .data-card .data-label {
            font-size: 14px;
            color: var(--text-secondary);
            font-weight: 500;
            margin-bottom: 4px;
        }
        .data-card .data-trend {
            font-size: 12px;
            font-weight: 600;
            display: inline-flex;
            align-items: center;
            gap: 4px;
            padding: 3px 10px;
            border-radius: 6px;
        }
        .data-card .data-trend.up {
            color: var(--teal);
            background: rgba(46, 107, 95, 0.1);
        }
        .data-card .data-trend.down {
            color: #c0392b;
            background: rgba(192, 57, 43, 0.08);
        }
        .data-card .data-trend.stable {
            color: var(--text-secondary);
            background: rgba(12, 15, 14, 0.06);
        }

        /* ============ DEEP DATA SECTION ============ */
        .deep-data-section {
            margin-bottom: var(--space-xl);
            background: var(--surface);
            border: 1px solid var(--border);
            border-radius: var(--radius-lg);
            padding: var(--space-xl) var(--space-lg);
            box-shadow: var(--shadow-sm);
        }
        .deep-data-header {
            display: flex;
            align-items: flex-start;
            justify-content: space-between;
            gap: var(--space-md);
            margin-bottom: var(--space-lg);
            flex-wrap: wrap;
        }
        .deep-data-header .section-title {
            margin-bottom: 4px;
        }
        .data-table-wrapper {
            overflow-x: auto;
            border-radius: var(--radius-sm);
            border: 1px solid var(--border);
            background: var(--surface);
        }
        .data-table {
            width: 100%;
            border-collapse: collapse;
            font-size: 14px;
            min-width: 600px;
        }
        .data-table thead {
            background: var(--charcoal);
            color: #fff;
        }
        .data-table thead th {
            padding: 14px 16px;
            text-align: left;
            font-weight: 600;
            font-size: 13px;
            letter-spacing: 0.3px;
            white-space: nowrap;
        }
        .data-table tbody tr {
            border-bottom: 1px solid var(--border);
            transition: background var(--transition-fast);
        }
        .data-table tbody tr:last-child {
            border-bottom: none;
        }
        .data-table tbody tr:hover {
            background: rgba(46, 107, 95, 0.04);
        }
        .data-table tbody td {
            padding: 14px 16px;
            color: var(--text);
            white-space: nowrap;
        }
        .data-table tbody td.team-cell {
            font-weight: 600;
            display: flex;
            align-items: center;
            gap: 10px;
            white-space: nowrap;
        }
        .data-table tbody td .team-dot {
            width: 10px;
            height: 10px;
            border-radius: 50%;
            flex-shrink: 0;
        }
        .data-table .rank-badge {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            min-width: 28px;
            height: 28px;
            border-radius: 8px;
            font-weight: 700;
            font-size: 13px;
        }
        .rank-badge.top {
            background: var(--acid);
            color: var(--charcoal);
        }
        .rank-badge.mid {
            background: rgba(46, 107, 95, 0.1);
            color: var(--teal);
        }
        .rank-badge.low {
            background: rgba(12, 15, 14, 0.06);
            color: var(--text-secondary);
        }

        /* ============ MATCH LIST ============ */
        .match-list-section {
            margin-bottom: var(--space-xl);
        }
        .match-list-grid {
            display: grid;
            grid-template-columns: repeat(2, 1fr);
            gap: var(--space-md);
        }
        .match-card {
            background: var(--surface);
            border: 1px solid var(--border);
            border-radius: var(--radius-md);
            padding: var(--space-md);
            display: flex;
            align-items: center;
            gap: var(--space-md);
            transition: transform var(--transition-base), box-shadow var(--transition-base), border-color var(--transition-base);
        }
        .match-card:hover {
            transform: translateY(-3px);
            box-shadow: var(--shadow-md);
            border-color: var(--border-strong);
        }
        .match-card .match-img {
            width: 80px;
            height: 80px;
            border-radius: var(--radius-sm);
            overflow: hidden;
            flex-shrink: 0;
        }
        .match-card .match-img img {
            width: 100%;
            height: 100%;
            object-fit: cover;
        }
        .match-card .match-info {
            flex: 1;
            min-width: 0;
        }
        .match-card .match-league {
            font-size: 11px;
            font-weight: 600;
            color: var(--teal);
            text-transform: uppercase;
            letter-spacing: 0.6px;
            margin-bottom: 4px;
        }
        .match-card .match-teams {
            font-size: 16px;
            font-weight: 700;
            color: var(--charcoal);
            margin-bottom: 6px;
            line-height: 1.4;
        }
        .match-card .match-meta {
            font-size: 13px;
            color: var(--text-secondary);
            display: flex;
            align-items: center;
            gap: 12px;
            flex-wrap: wrap;
        }
        .match-card .match-meta i {
            font-size: 12px;
            color: var(--teal);
        }
        .match-status {
            display: inline-block;
            padding: 4px 10px;
            border-radius: 6px;
            font-size: 11px;
            font-weight: 600;
            letter-spacing: 0.3px;
            flex-shrink: 0;
        }
        .match-status.live {
            background: #fef3e2;
            color: #e67e22;
        }
        .match-status.upcoming {
            background: rgba(46, 107, 95, 0.08);
            color: var(--teal);
        }
        .match-status.finished {
            background: rgba(12, 15, 14, 0.06);
            color: var(--text-secondary);
        }

        /* ============ SERVICE ROW ============ */
        .service-row {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: var(--space-md);
            margin-bottom: var(--space-xl);
        }
        .service-item {
            background: var(--surface);
            border: 1px solid var(--border);
            border-radius: var(--radius-md);
            padding: var(--space-md);
            transition: transform var(--transition-base), box-shadow var(--transition-base);
            display: flex;
            align-items: flex-start;
            gap: var(--space-sm);
        }
        .service-item:hover {
            transform: translateY(-3px);
            box-shadow: var(--shadow-md);
        }
        .service-item .si-icon {
            width: 42px;
            height: 42px;
            border-radius: 10px;
            background: rgba(183, 242, 74, 0.15);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 17px;
            color: var(--charcoal);
            flex-shrink: 0;
        }
        .service-item .si-content h4 {
            font-size: 15px;
            font-weight: 700;
            color: var(--charcoal);
            margin-bottom: 4px;
        }
        .service-item .si-content p {
            font-size: 14px;
            color: var(--text-secondary);
            line-height: 1.6;
            margin: 0;
        }

        /* ============ FAQ ============ */
        .faq-section {
            margin-bottom: var(--space-xl);
        }
        .faq-list {
            display: flex;
            flex-direction: column;
            gap: var(--space-sm);
        }
        .faq-item {
            background: var(--surface);
            border: 1px solid var(--border);
            border-radius: var(--radius-md);
            overflow: hidden;
            transition: border-color var(--transition-fast), box-shadow var(--transition-fast);
        }
        .faq-item:hover {
            border-color: var(--border-strong);
        }
        .faq-item.active {
            border-color: var(--charcoal);
            box-shadow: var(--shadow-sm);
        }
        .faq-question {
            width: 100%;
            display: flex;
            align-items: center;
            justify-content: space-between;
            padding: 18px 20px;
            font-size: 16px;
            font-weight: 600;
            color: var(--charcoal);
            text-align: left;
            gap: var(--space-sm);
            transition: background var(--transition-fast);
        }
        .faq-question:hover {
            background: rgba(12, 15, 14, 0.03);
        }
        .faq-question .faq-icon {
            flex-shrink: 0;
            width: 28px;
            height: 28px;
            border-radius: 8px;
            background: rgba(12, 15, 14, 0.05);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 13px;
            transition: transform var(--transition-base), background var(--transition-base), color var(--transition-base);
            color: var(--text-secondary);
        }
        .faq-item.active .faq-question .faq-icon {
            transform: rotate(45deg);
            background: var(--acid);
            color: var(--charcoal);
        }
        .faq-answer {
            max-height: 0;
            overflow: hidden;
            transition: max-height var(--transition-slow);
        }
        .faq-answer-inner {
            padding: 0 20px 18px;
            font-size: 15px;
            color: var(--text-secondary);
            line-height: 1.75;
        }
        .faq-item.active .faq-answer {
            max-height: 300px;
        }

        /* ============ CTA / CONTACT ============ */
        .cta-section {
            background: var(--charcoal);
            border-radius: var(--radius-lg);
            padding: var(--space-xl) var(--space-lg);
            margin-bottom: var(--space-xl);
            position: relative;
            overflow: hidden;
        }
        .cta-section::before {
            content: '';
            position: absolute;
            top: -50%;
            right: -20%;
            width: 60%;
            height: 200%;
            background: radial-gradient(circle, rgba(183, 242, 74, 0.08) 0%, transparent 70%);
            pointer-events: none;
        }
        .cta-inner {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: var(--space-xl);
            position: relative;
            z-index: 1;
        }
        .cta-form h3 {
            color: #fff;
            font-size: 24px;
            font-weight: 700;
            margin-bottom: var(--space-sm);
            letter-spacing: -0.3px;
        }
        .cta-form p {
            color: rgba(255, 255, 255, 0.65);
            font-size: 15px;
            margin-bottom: var(--space-lg);
            line-height: 1.7;
        }
        .form-row {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: var(--space-sm);
            margin-bottom: var(--space-sm);
        }
        .form-group {
            margin-bottom: var(--space-sm);
        }
        .form-group label {
            display: block;
            color: rgba(255, 255, 255, 0.75);
            font-size: 13px;
            font-weight: 500;
            margin-bottom: 6px;
            letter-spacing: 0.2px;
        }
        .form-group input,
        .form-group textarea {
            width: 100%;
            padding: 12px 16px;
            border-radius: 8px;
            border: 1px solid rgba(255, 255, 255, 0.15);
            background: rgba(255, 255, 255, 0.06);
            color: #fff;
            font-size: 15px;
            transition: border-color var(--transition-fast), background var(--transition-fast);
        }
        .form-group input::placeholder,
        .form-group textarea::placeholder {
            color: rgba(255, 255, 255, 0.35);
        }
        .form-group input:focus,
        .form-group textarea:focus {
            border-color: var(--acid);
            background: rgba(255, 255, 255, 0.1);
            outline: none;
        }
        .form-group textarea {
            resize: vertical;
            min-height: 100px;
        }
        .cta-info {
            display: flex;
            flex-direction: column;
            justify-content: center;
            gap: var(--space-md);
        }
        .cta-info-item {
            display: flex;
            align-items: flex-start;
            gap: var(--space-sm);
            color: rgba(255, 255, 255, 0.8);
            font-size: 15px;
            line-height: 1.6;
        }
        .cta-info-item i {
            color: var(--acid);
            font-size: 17px;
            margin-top: 2px;
            flex-shrink: 0;
        }
        .cta-info-item strong {
            color: #fff;
            font-weight: 600;
        }
        .btn-acid {
            background: var(--acid);
            color: var(--charcoal);
            font-weight: 700;
            font-size: 15px;
            padding: 14px 32px;
            border-radius: 12px;
            transition: background var(--transition-fast), transform var(--transition-fast);
            letter-spacing: 0.2px;
            display: inline-flex;
            align-items: center;
            gap: 8px;
            width: auto;
            align-self: flex-start;
        }
        .btn-acid:hover {
            background: var(--teal);
            color: #fff;
            transform: translateY(-2px);
        }
        .btn-acid:focus-visible {
            outline: 2px solid #fff;
            outline-offset: 2px;
        }

        /* ============ FOOTER ============ */
        .site-footer {
            background: var(--charcoal);
            padding: var(--space-xl) 0 var(--space-md);
            margin-top: var(--space-xl);
        }
        .footer-inner {
            display: flex;
            flex-direction: column;
            gap: var(--space-lg);
        }
        .footer-top {
            display: grid;
            grid-template-columns: 1fr 2fr;
            gap: var(--space-xl);
        }
        .footer-brand {
            max-width: 320px;
        }
        .footer-logo {
            display: flex;
            align-items: center;
            gap: 10px;
            font-weight: 800;
            font-size: 20px;
            color: #fff;
            letter-spacing: -0.3px;
            margin-bottom: var(--space-sm);
        }
        .logo-mark-sm {
            width: 32px;
            height: 32px;
            border-radius: 8px;
            background: var(--acid);
            display: inline-flex;
            align-items: center;
            justify-content: center;
            font-size: 14px;
            color: var(--charcoal);
            font-weight: 900;
        }
        .footer-desc {
            color: rgba(255, 255, 255, 0.6);
            font-size: 14px;
            line-height: 1.7;
            margin: 0;
        }
        .footer-links-group {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: var(--space-md);
        }
        .footer-links-col h5 {
            color: #fff;
            font-size: 14px;
            font-weight: 700;
            margin-bottom: var(--space-sm);
            letter-spacing: 0.3px;
        }
        .footer-links-col a {
            display: block;
            color: rgba(255, 255, 255, 0.6);
            font-size: 14px;
            padding: 4px 0;
            transition: color var(--transition-fast);
            line-height: 1.6;
        }
        .footer-links-col a:hover {
            color: var(--acid);
        }
        .footer-bottom {
            border-top: 1px solid rgba(255, 255, 255, 0.08);
            padding-top: var(--space-md);
            display: flex;
            flex-direction: column;
            gap: var(--space-xs);
        }
        .footer-bottom-row {
            display: flex;
            align-items: center;
            flex-wrap: wrap;
            gap: 6px;
            font-size: 13px;
            color: rgba(255, 255, 255, 0.5);
        }
        .footer-bottom-row a {
            color: rgba(255, 255, 255, 0.6);
            transition: color var(--transition-fast);
        }
        .footer-bottom-row a:hover {
            color: var(--acid);
        }
        .footer-bottom-row .separator {
            color: rgba(255, 255, 255, 0.25);
            margin: 0 4px;
        }

        /* ============ RESPONSIVE ============ */
        @media (max-width: 1024px) {
            .data-cards-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .service-row {
                grid-template-columns: repeat(2, 1fr);
            }
            .cta-inner {
                grid-template-columns: 1fr;
                gap: var(--space-lg);
            }
            .footer-top {
                grid-template-columns: 1fr;
                gap: var(--space-lg);
            }
            .page-hero-inner {
                flex-direction: column;
                align-items: stretch;
            }
            .page-hero-visual img {
                height: 200px;
            }
        }
        @media (max-width: 768px) {
            .desktop-nav {
                display: none;
            }
            .hamburger {
                display: flex;
                align-items: center;
                justify-content: center;
            }
            .mobile-nav {
                display: block;
            }
            .nav-content-side {
                gap: var(--space-sm);
                flex: 1;
            }
            .nav-visual-side .nav-search-btn {
                display: none;
            }
            .page-hero-content h1 {
                font-size: 28px;
            }
            .match-list-grid {
                grid-template-columns: 1fr;
            }
            .footer-links-group {
                grid-template-columns: 1fr;
                gap: var(--space-sm);
            }
            .footer-top {
                grid-template-columns: 1fr;
            }
            .form-row {
                grid-template-columns: 1fr;
            }
            .section-title {
                font-size: 24px;
            }
            .page-hero {
                padding: var(--space-lg) var(--space-md);
            }
            .deep-data-section {
                padding: var(--space-lg) var(--space-md);
            }
            .cta-section {
                padding: var(--space-lg) var(--space-md);
            }
        }
        @media (max-width: 520px) {
            .data-cards-grid {
                grid-template-columns: 1fr;
            }
            .service-row {
                grid-template-columns: 1fr;
            }
            .filter-tags-bar {
                padding: var(--space-xs);
                gap: 4px;
            }
            .filter-tag {
                font-size: 12px;
                padding: 6px 12px;
            }
            .page-hero-content h1 {
                font-size: 24px;
            }
            .page-hero-subtitle {
                font-size: 15px;
            }
            .match-card {
                flex-direction: column;
                align-items: flex-start;
            }
            .match-card .match-img {
                width: 100%;
                height: 140px;
            }
            .data-table {
                font-size: 12px;
            }
            .data-table thead th,
            .data-table tbody td {
                padding: 10px 12px;
            }
            .faq-question {
                font-size: 15px;
                padding: 16px;
            }
            .faq-answer-inner {
                padding: 0 16px 16px;
                font-size: 14px;
            }
            .btn-primary,
            .btn-secondary {
                font-size: 14px;
                padding: 12px 20px;
                width: 100%;
                justify-content: center;
            }
            .btn-acid {
                width: 100%;
                justify-content: center;
            }
        }

/* roulang page: category4 */
:root {
            --charcoal: #0C0F0E;
            --acid: #B7F24A;
            --teal: #2E6B5F;
            --bg: #F4F6F2;
            --surface: #FFFFFF;
            --text: #15201E;
            --text-secondary: #5A6863;
            --border: rgba(12, 15, 14, 0.08);
            --border-strong: rgba(12, 15, 14, 0.16);
            --radius-sm: 10px;
            --radius-md: 16px;
            --radius-lg: 20px;
            --radius-xl: 28px;
            --shadow-sm: 0 4px 12px rgba(0, 0, 0, 0.06);
            --shadow-md: 0 10px 30px rgba(0, 0, 0, 0.08);
            --shadow-lg: 0 20px 50px rgba(0, 0, 0, 0.12);
            --space-xs: 8px;
            --space-sm: 16px;
            --space-md: 24px;
            --space-lg: 32px;
            --space-xl: 48px;
            --space-2xl: 64px;
            --font-display: 'PingFang SC', 'Microsoft YaHei', 'Noto Sans CJK', sans-serif;
            --font-stack: 'PingFang SC', 'Microsoft YaHei', 'Noto Sans CJK', sans-serif;
            --font-mono: 'DIN Alternate', 'Roboto Mono', 'PingFang SC', 'Microsoft YaHei', sans-serif;
            --nav-height: 68px;
            --transition-fast: 0.2s ease;
            --transition-base: 0.25s ease;
            --transition-slow: 0.4s cubic-bezier(0.4, 0, 0.2, 1);
        }

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

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

        body {
            font-family: var(--font-stack);
            font-size: 16px;
            line-height: 1.65;
            color: var(--text);
            background-color: var(--bg);
            overflow-x: hidden;
        }

        img {
            max-width: 100%;
            height: auto;
            display: block;
            border-radius: var(--radius-md);
        }

        a {
            text-decoration: none;
            color: inherit;
            transition: color var(--transition-fast), opacity var(--transition-fast);
        }

        button,
        input,
        textarea,
        select {
            font-family: var(--font-stack);
            font-size: 16px;
            outline: none;
            border: none;
        }

        button {
            cursor: pointer;
            background: none;
        }

        ul,
        ol {
            list-style: none;
        }

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

        /* ============ HEADER / NAV ============ */
        .site-header {
            position: fixed;
            top: 0;
            left: 0;
            right: 0;
            z-index: 1000;
            height: var(--nav-height);
            background: rgba(12, 15, 14, 0.85);
            backdrop-filter: blur(8px);
            -webkit-backdrop-filter: blur(8px);
            border-bottom: 1px solid rgba(255, 255, 255, 0.06);
            transition: background var(--transition-base), box-shadow var(--transition-base), height var(--transition-base);
        }

        .site-header.scrolled {
            background: rgba(12, 15, 14, 0.96);
            box-shadow: 0 4px 24px rgba(0, 0, 0, 0.3);
        }

        .nav-inner {
            display: flex;
            align-items: center;
            justify-content: space-between;
            height: 100%;
            position: relative;
        }

        .nav-content-side {
            display: flex;
            align-items: center;
            gap: var(--space-lg);
            flex: 1;
        }

        .nav-visual-side {
            display: flex;
            align-items: center;
            gap: var(--space-sm);
            flex-shrink: 0;
        }

        .logo-link {
            display: flex;
            align-items: center;
            gap: 10px;
            font-weight: 800;
            font-size: 20px;
            color: #fff;
            letter-spacing: -0.3px;
            white-space: nowrap;
            flex-shrink: 0;
        }

        .logo-link .logo-mark {
            width: 36px;
            height: 36px;
            border-radius: 10px;
            background: var(--acid);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 16px;
            color: var(--charcoal);
            font-weight: 900;
            letter-spacing: -0.5px;
            transition: background var(--transition-fast), transform var(--transition-fast);
        }

        .logo-link:hover .logo-mark {
            background: var(--teal);
            color: #fff;
            transform: scale(1.05);
        }

        .desktop-nav {
            display: flex;
            align-items: center;
            gap: var(--space-md);
            list-style: none;
        }

        .desktop-nav li a {
            color: rgba(255, 255, 255, 0.72);
            font-size: 14px;
            font-weight: 500;
            padding: 8px 12px;
            border-radius: 8px;
            transition: color var(--transition-fast), background var(--transition-fast);
            position: relative;
            white-space: nowrap;
            letter-spacing: 0.2px;
        }

        .desktop-nav li a::after {
            content: '';
            position: absolute;
            bottom: 2px;
            left: 12px;
            width: 0;
            height: 2px;
            background: var(--acid);
            border-radius: 1px;
            transition: width var(--transition-base);
        }

        .desktop-nav li a:hover {
            color: #fff;
        }

        .desktop-nav li a:hover::after {
            width: calc(100% - 24px);
        }

        .desktop-nav li a.active {
            color: #fff;
            background: rgba(255, 255, 255, 0.08);
        }

        .desktop-nav li a.active::after {
            width: calc(100% - 24px);
        }

        .hamburger {
            display: none;
            font-size: 22px;
            color: #fff;
            padding: 8px;
            border-radius: 8px;
            transition: background var(--transition-fast);
        }

        .hamburger:hover {
            background: rgba(255, 255, 255, 0.1);
        }

        .nav-search-btn {
            width: 40px;
            height: 40px;
            border-radius: 10px;
            display: flex;
            align-items: center;
            justify-content: center;
            color: rgba(255, 255, 255, 0.7);
            font-size: 16px;
            transition: background var(--transition-fast), color var(--transition-fast);
        }

        .nav-search-btn:hover {
            background: rgba(255, 255, 255, 0.1);
            color: #fff;
        }

        .nav-cta-btn {
            padding: 10px 18px;
            border-radius: 10px;
            background: var(--acid);
            color: var(--charcoal);
            font-size: 14px;
            font-weight: 700;
            letter-spacing: 0.2px;
            white-space: nowrap;
            transition: background var(--transition-fast), transform var(--transition-fast);
        }

        .nav-cta-btn:hover {
            background: var(--teal);
            color: #fff;
            transform: scale(1.03);
        }

        .nav-cta-btn:active {
            transform: scale(0.98);
        }

        /* Mobile nav drawer */
        .mobile-nav-drawer {
            display: none;
            position: fixed;
            top: var(--nav-height);
            left: 0;
            right: 0;
            bottom: 0;
            background: rgba(12, 15, 14, 0.98);
            z-index: 999;
            padding: var(--space-lg);
            flex-direction: column;
            gap: var(--space-sm);
            opacity: 0;
            pointer-events: none;
            transition: opacity var(--transition-base);
        }

        .mobile-nav-drawer.open {
            opacity: 1;
            pointer-events: auto;
        }

        .mobile-nav-drawer a {
            color: rgba(255, 255, 255, 0.85);
            font-size: 18px;
            font-weight: 600;
            padding: 14px 16px;
            border-radius: 12px;
            transition: background var(--transition-fast), color var(--transition-fast);
        }

        .mobile-nav-drawer a:hover {
            background: rgba(255, 255, 255, 0.08);
            color: #fff;
        }

        .mobile-nav-drawer a.active {
            background: rgba(183, 242, 74, 0.12);
            color: var(--acid);
        }

        .mobile-nav-drawer .drawer-cta {
            background: var(--acid);
            color: var(--charcoal);
            text-align: center;
            margin-top: var(--space-sm);
            font-weight: 700;
        }

        .mobile-nav-drawer .drawer-cta:hover {
            background: var(--teal);
            color: #fff;
        }

        /* ============ BREADCRUMB ============ */
        .breadcrumb-section {
            padding-top: calc(var(--nav-height) + var(--space-md));
            padding-bottom: var(--space-sm);
            background: var(--bg);
        }

        .breadcrumb {
            display: flex;
            align-items: center;
            gap: var(--space-xs);
            font-size: 13px;
            color: var(--text-secondary);
            flex-wrap: wrap;
        }

        .breadcrumb a {
            color: var(--text-secondary);
            transition: color var(--transition-fast);
        }

        .breadcrumb a:hover {
            color: var(--teal);
        }

        .breadcrumb .separator {
            color: var(--border-strong);
            font-size: 11px;
        }

        .breadcrumb .current {
            color: var(--text);
            font-weight: 600;
        }

        /* ============ PAGE HERO ============ */
        .page-hero {
            padding: var(--space-xl) 0 var(--space-2xl);
            background: var(--charcoal);
            position: relative;
            overflow: hidden;
        }

        .page-hero::before {
            content: '';
            position: absolute;
            top: -30%;
            right: -10%;
            width: 60%;
            height: 160%;
            background: radial-gradient(circle, rgba(46, 107, 95, 0.35) 0%, transparent 70%);
            pointer-events: none;
        }

        .page-hero::after {
            content: '';
            position: absolute;
            bottom: -40%;
            left: -15%;
            width: 50%;
            height: 120%;
            background: radial-gradient(circle, rgba(183, 242, 74, 0.06) 0%, transparent 70%);
            pointer-events: none;
        }

        .page-hero-inner {
            display: flex;
            gap: var(--space-2xl);
            align-items: center;
            position: relative;
            z-index: 1;
        }

        .page-hero-text {
            flex: 1 1 55%;
        }

        .page-hero-text h1 {
            font-size: clamp(30px, 5vw, 52px);
            font-weight: 900;
            color: #fff;
            line-height: 1.2;
            letter-spacing: -1px;
            margin-bottom: var(--space-md);
        }

        .page-hero-text .hero-subtitle {
            font-size: 18px;
            color: rgba(255, 255, 255, 0.7);
            line-height: 1.7;
            margin-bottom: var(--space-lg);
            max-width: 560px;
        }

        .hero-actions {
            display: flex;
            gap: var(--space-sm);
            flex-wrap: wrap;
        }

        .btn-primary-lg {
            padding: 14px 28px;
            border-radius: 12px;
            background: var(--acid);
            color: var(--charcoal);
            font-size: 16px;
            font-weight: 700;
            letter-spacing: 0.3px;
            transition: background var(--transition-fast), transform var(--transition-fast);
        }

        .btn-primary-lg:hover {
            background: var(--teal);
            color: #fff;
            transform: translateY(-2px);
        }

        .btn-secondary-lg {
            padding: 14px 28px;
            border-radius: 12px;
            background: transparent;
            color: #fff;
            border: 1px solid rgba(255, 255, 255, 0.3);
            font-size: 16px;
            font-weight: 600;
            letter-spacing: 0.3px;
            transition: border-color var(--transition-fast), background var(--transition-fast);
        }

        .btn-secondary-lg:hover {
            border-color: var(--acid);
            background: rgba(183, 242, 74, 0.08);
            color: var(--acid);
        }

        .page-hero-visual {
            flex: 0 0 35%;
            position: relative;
        }

        .page-hero-visual img {
            width: 100%;
            border-radius: var(--radius-xl);
            box-shadow: 0 20px 60px rgba(0, 0, 0, 0.4);
            aspect-ratio: 4/3;
            object-fit: cover;
            transition: transform var(--transition-slow);
        }

        .page-hero-visual:hover img {
            transform: scale(1.02);
        }

        .hero-community-stats {
            display: flex;
            gap: var(--space-md);
            margin-top: var(--space-md);
            flex-wrap: wrap;
        }

        .hero-stat-chip {
            display: flex;
            align-items: center;
            gap: 8px;
            color: rgba(255, 255, 255, 0.65);
            font-size: 13px;
            font-weight: 500;
        }

        .hero-stat-chip i {
            color: var(--acid);
            font-size: 14px;
        }

        /* ============ SECTION COMMON ============ */
        .section {
            padding: var(--space-2xl) 0;
        }

        .section-header {
            margin-bottom: var(--space-xl);
            display: flex;
            align-items: flex-end;
            justify-content: space-between;
            gap: var(--space-md);
            flex-wrap: wrap;
        }

        .section-header h2 {
            font-size: clamp(24px, 3.5vw, 36px);
            font-weight: 800;
            color: var(--charcoal);
            letter-spacing: -0.5px;
            line-height: 1.25;
        }

        .section-header .section-sub {
            font-size: 15px;
            color: var(--text-secondary);
            line-height: 1.6;
            max-width: 460px;
        }

        .section-tag {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            font-size: 12px;
            font-weight: 700;
            letter-spacing: 0.5px;
            color: var(--teal);
            text-transform: uppercase;
            margin-bottom: var(--space-sm);
        }

        .section-tag::before {
            content: '';
            width: 20px;
            height: 2px;
            background: var(--acid);
            border-radius: 1px;
        }

        /* ============ TOPICS GRID ============ */
        .topics-section {
            background: var(--bg);
        }

        .topics-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: var(--space-lg);
        }

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

        .topic-card:hover {
            transform: translateY(-4px);
            box-shadow: var(--shadow-md);
            border-color: rgba(46, 107, 95, 0.25);
        }

        .topic-card-image {
            aspect-ratio: 16/10;
            overflow: hidden;
            position: relative;
        }

        .topic-card-image img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            border-radius: 0;
            transition: transform var(--transition-slow);
        }

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

        .topic-card-body {
            padding: var(--space-md);
            display: flex;
            flex-direction: column;
            gap: var(--space-xs);
            flex: 1;
        }

        .topic-card-tag {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            font-size: 11px;
            font-weight: 700;
            letter-spacing: 0.4px;
            color: var(--teal);
            background: rgba(46, 107, 95, 0.08);
            padding: 4px 10px;
            border-radius: 20px;
            width: fit-content;
            margin-bottom: var(--space-xs);
        }

        .topic-card-body h3 {
            font-size: 17px;
            font-weight: 700;
            color: var(--text);
            line-height: 1.4;
            letter-spacing: -0.2px;
        }

        .topic-card-body p {
            font-size: 14px;
            color: var(--text-secondary);
            line-height: 1.6;
            flex: 1;
        }

        .topic-card-meta {
            display: flex;
            align-items: center;
            justify-content: space-between;
            padding-top: var(--space-sm);
            border-top: 1px solid var(--border);
            font-size: 12px;
            color: var(--text-secondary);
        }

        .topic-card-meta .meta-left {
            display: flex;
            align-items: center;
            gap: var(--space-xs);
        }

        .topic-card-meta .meta-left i {
            color: var(--teal);
        }

        .topic-card-link {
            font-size: 13px;
            font-weight: 600;
            color: var(--teal);
            transition: color var(--transition-fast);
            display: flex;
            align-items: center;
            gap: 4px;
        }

        .topic-card-link:hover {
            color: var(--charcoal);
        }

        .topic-card-link i {
            font-size: 11px;
            transition: transform var(--transition-fast);
        }

        .topic-card-link:hover i {
            transform: translateX(3px);
        }

        /* ============ COMMUNITY GUIDELINES ============ */
        .guidelines-section {
            background: var(--charcoal);
            padding: var(--space-2xl) 0;
            position: relative;
            overflow: hidden;
        }

        .guidelines-section::before {
            content: '';
            position: absolute;
            top: 10%;
            right: -5%;
            width: 40%;
            height: 80%;
            background: radial-gradient(circle, rgba(46, 107, 95, 0.3) 0%, transparent 70%);
            pointer-events: none;
        }

        .guidelines-section .section-header h2 {
            color: #fff;
        }

        .guidelines-section .section-header .section-sub {
            color: rgba(255, 255, 255, 0.6);
        }

        .guidelines-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: var(--space-md);
            position: relative;
            z-index: 1;
        }

        .guideline-card {
            background: rgba(255, 255, 255, 0.04);
            border: 1px solid rgba(255, 255, 255, 0.08);
            border-radius: var(--radius-md);
            padding: var(--space-lg);
            transition: background var(--transition-base), border-color var(--transition-base), transform var(--transition-base);
        }

        .guideline-card:hover {
            background: rgba(255, 255, 255, 0.07);
            border-color: rgba(183, 242, 74, 0.3);
            transform: translateY(-3px);
        }

        .guideline-card .guideline-icon {
            width: 44px;
            height: 44px;
            border-radius: 12px;
            background: rgba(183, 242, 74, 0.12);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 20px;
            color: var(--acid);
            margin-bottom: var(--space-sm);
        }

        .guideline-card h3 {
            font-size: 15px;
            font-weight: 700;
            color: #fff;
            margin-bottom: var(--space-xs);
        }

        .guideline-card p {
            font-size: 13px;
            color: rgba(255, 255, 255, 0.55);
            line-height: 1.6;
        }

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

        .faq-container {
            max-width: 820px;
            margin: 0 auto;
        }

        .faq-item {
            background: var(--surface);
            border: 1px solid var(--border);
            border-radius: var(--radius-sm);
            margin-bottom: var(--space-sm);
            overflow: hidden;
            transition: border-color var(--transition-base), box-shadow var(--transition-base);
        }

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

        .faq-item.open {
            border-color: var(--charcoal);
            background: #F0F4ED;
            box-shadow: var(--shadow-sm);
        }

        .faq-question {
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: var(--space-sm);
            padding: var(--space-md) var(--space-lg);
            cursor: pointer;
            font-size: 16px;
            font-weight: 600;
            color: var(--text);
            line-height: 1.5;
            transition: background var(--transition-fast);
            width: 100%;
            text-align: left;
        }

        .faq-question:hover {
            background: rgba(46, 107, 95, 0.04);
        }

        .faq-question .faq-icon {
            flex-shrink: 0;
            width: 28px;
            height: 28px;
            border-radius: 8px;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 13px;
            color: var(--text-secondary);
            transition: transform var(--transition-base), background var(--transition-fast), color var(--transition-fast);
        }

        .faq-item.open .faq-question .faq-icon {
            transform: rotate(180deg);
            background: var(--acid);
            color: var(--charcoal);
        }

        .faq-answer {
            max-height: 0;
            overflow: hidden;
            transition: max-height var(--transition-slow), padding var(--transition-base);
            padding: 0 var(--space-lg);
            font-size: 14px;
            color: var(--text-secondary);
            line-height: 1.75;
        }

        .faq-item.open .faq-answer {
            max-height: 500px;
            padding: 0 var(--space-lg) var(--space-lg);
        }

        /* ============ CTA SECTION ============ */
        .cta-section {
            padding: var(--space-2xl) 0;
            background: var(--bg);
        }

        .cta-container {
            background: var(--charcoal);
            border-radius: var(--radius-xl);
            padding: var(--space-2xl);
            display: flex;
            gap: var(--space-xl);
            align-items: center;
            position: relative;
            overflow: hidden;
        }

        .cta-container::before {
            content: '';
            position: absolute;
            top: -30%;
            right: -5%;
            width: 40%;
            height: 160%;
            background: radial-gradient(circle, rgba(183, 242, 74, 0.1) 0%, transparent 70%);
            pointer-events: none;
        }

        .cta-container::after {
            content: '';
            position: absolute;
            bottom: -20%;
            left: -5%;
            width: 35%;
            height: 140%;
            background: radial-gradient(circle, rgba(46, 107, 95, 0.3) 0%, transparent 70%);
            pointer-events: none;
        }

        .cta-text {
            flex: 1;
            position: relative;
            z-index: 1;
        }

        .cta-text h2 {
            font-size: clamp(24px, 3.5vw, 34px);
            font-weight: 800;
            color: #fff;
            letter-spacing: -0.5px;
            margin-bottom: var(--space-sm);
            line-height: 1.3;
        }

        .cta-text p {
            font-size: 15px;
            color: rgba(255, 255, 255, 0.6);
            line-height: 1.7;
            max-width: 520px;
        }

        .cta-actions {
            display: flex;
            gap: var(--space-sm);
            flex-shrink: 0;
            position: relative;
            z-index: 1;
        }

        .cta-actions .btn-primary-lg {
            white-space: nowrap;
        }

        .cta-actions .btn-outline-light {
            padding: 14px 24px;
            border-radius: 12px;
            background: transparent;
            color: #fff;
            border: 1px solid rgba(255, 255, 255, 0.3);
            font-size: 15px;
            font-weight: 600;
            white-space: nowrap;
            transition: background var(--transition-fast), border-color var(--transition-fast);
        }

        .cta-actions .btn-outline-light:hover {
            background: rgba(255, 255, 255, 0.08);
            border-color: rgba(255, 255, 255, 0.5);
        }

        /* ============ FOOTER ============ */
        .site-footer {
            background: var(--charcoal);
            color: rgba(255, 255, 255, 0.7);
            padding: var(--space-2xl) 0 var(--space-lg);
            margin-top: 0;
        }

        .footer-inner {
            display: flex;
            flex-direction: column;
            gap: var(--space-xl);
        }

        .footer-top {
            display: flex;
            gap: var(--space-2xl);
            justify-content: space-between;
            flex-wrap: wrap;
        }

        .footer-brand {
            flex: 0 0 30%;
            min-width: 220px;
        }

        .footer-logo {
            display: flex;
            align-items: center;
            gap: 8px;
            font-size: 18px;
            font-weight: 800;
            color: #fff;
            letter-spacing: -0.2px;
            margin-bottom: var(--space-sm);
        }

        .logo-mark-sm {
            width: 28px;
            height: 28px;
            border-radius: 8px;
            background: var(--acid);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 13px;
            color: var(--charcoal);
            font-weight: 900;
        }

        .footer-desc {
            font-size: 13px;
            color: rgba(255, 255, 255, 0.5);
            line-height: 1.7;
            max-width: 280px;
        }

        .footer-links-group {
            display: flex;
            gap: var(--space-2xl);
            flex-wrap: wrap;
            flex: 1;
            justify-content: flex-end;
        }

        .footer-links-col h5 {
            font-size: 13px;
            font-weight: 700;
            color: #fff;
            margin-bottom: var(--space-sm);
            letter-spacing: 0.3px;
        }

        .footer-links-col a {
            display: block;
            font-size: 13px;
            color: rgba(255, 255, 255, 0.55);
            margin-bottom: var(--space-xs);
            transition: color var(--transition-fast);
        }

        .footer-links-col a:hover {
            color: var(--acid);
        }

        .footer-bottom {
            border-top: 1px solid rgba(255, 255, 255, 0.08);
            padding-top: var(--space-md);
            display: flex;
            flex-direction: column;
            gap: var(--space-sm);
        }

        .footer-bottom-row {
            display: flex;
            align-items: center;
            gap: var(--space-xs);
            flex-wrap: wrap;
            font-size: 12px;
            color: rgba(255, 255, 255, 0.45);
        }

        .footer-bottom-row .separator {
            color: rgba(255, 255, 255, 0.2);
        }

        .footer-bottom-row a {
            color: rgba(255, 255, 255, 0.55);
            transition: color var(--transition-fast);
        }

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

        /* ============ RESPONSIVE ============ */
        @media (max-width: 1024px) {
            .desktop-nav {
                gap: var(--space-sm);
            }

            .desktop-nav li a {
                padding: 6px 8px;
                font-size: 13px;
            }

            .page-hero-inner {
                gap: var(--space-xl);
            }

            .page-hero-visual {
                flex-basis: 40%;
            }

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

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

            .cta-container {
                flex-direction: column;
                align-items: flex-start;
                gap: var(--space-lg);
                padding: var(--space-xl);
            }

            .cta-actions {
                width: 100%;
                flex-wrap: wrap;
            }
        }

        @media (max-width: 768px) {
            :root {
                --nav-height: 60px;
                --space-2xl: 40px;
                --space-xl: 32px;
                --space-lg: 24px;
            }

            .hamburger {
                display: flex;
            }

            .desktop-nav {
                display: none;
            }

            .mobile-nav-drawer {
                display: flex;
            }

            .nav-visual-side .nav-search-btn {
                display: none;
            }

            .nav-cta-btn {
                padding: 8px 14px;
                font-size: 13px;
            }

            .page-hero-inner {
                flex-direction: column;
                gap: var(--space-lg);
            }

            .page-hero-visual {
                flex: 1;
                width: 100%;
                order: 2;
            }

            .page-hero-text {
                order: 1;
                width: 100%;
            }

            .page-hero-text h1 {
                font-size: 28px;
            }

            .page-hero-text .hero-subtitle {
                font-size: 15px;
            }

            .hero-community-stats {
                gap: var(--space-sm);
            }

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

            .section-header {
                flex-direction: column;
                align-items: flex-start;
            }

            .footer-top {
                flex-direction: column;
                gap: var(--space-lg);
            }

            .footer-links-group {
                justify-content: flex-start;
                gap: var(--space-lg);
            }

            .footer-links-col {
                flex: 1;
                min-width: 120px;
            }

            .cta-actions {
                flex-direction: column;
                width: 100%;
            }

            .cta-actions .btn-primary-lg,
            .cta-actions .btn-outline-light {
                text-align: center;
                width: 100%;
            }

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

            .faq-question {
                padding: var(--space-sm) var(--space-md);
                font-size: 14px;
            }

            .faq-answer {
                padding: 0 var(--space-md);
                font-size: 13px;
            }

            .faq-item.open .faq-answer {
                padding: 0 var(--space-md) var(--space-sm);
            }
        }

        @media (max-width: 520px) {
            :root {
                --space-2xl: 32px;
                --space-xl: 24px;
                --space-lg: 20px;
                --space-md: 16px;
                --space-sm: 12px;
                --space-xs: 6px;
                --nav-height: 56px;
            }

            .logo-link {
                font-size: 16px;
                gap: 6px;
            }

            .logo-link .logo-mark {
                width: 28px;
                height: 28px;
                font-size: 13px;
                border-radius: 8px;
            }

            .nav-cta-btn {
                padding: 6px 10px;
                font-size: 12px;
                border-radius: 8px;
            }

            .page-hero-text h1 {
                font-size: 22px;
                letter-spacing: -0.3px;
            }

            .page-hero-text .hero-subtitle {
                font-size: 14px;
                line-height: 1.65;
            }

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

            .btn-primary-lg,
            .btn-secondary-lg {
                padding: 12px 20px;
                font-size: 14px;
                text-align: center;
                width: 100%;
            }

            .topic-card-body h3 {
                font-size: 15px;
            }

            .cta-container {
                padding: var(--space-lg);
                border-radius: var(--radius-lg);
            }

            .cta-text h2 {
                font-size: 20px;
            }

            .footer-bottom-row {
                font-size: 11px;
            }
        }

/* roulang page: category3 */
:root {
            --charcoal: #0C0F0E;
            --acid: #B7F24A;
            --teal: #2E6B5F;
            --bg: #F4F6F2;
            --surface: #FFFFFF;
            --text: #15201E;
            --text-secondary: #5A6863;
            --border: rgba(12, 15, 14, 0.08);
            --border-strong: rgba(12, 15, 14, 0.16);
            --radius-sm: 10px;
            --radius-md: 16px;
            --radius-lg: 20px;
            --radius-xl: 28px;
            --shadow-sm: 0 4px 12px rgba(0, 0, 0, 0.06);
            --shadow-md: 0 10px 30px rgba(0, 0, 0, 0.08);
            --shadow-lg: 0 20px 50px rgba(0, 0, 0, 0.12);
            --space-xs: 8px;
            --space-sm: 16px;
            --space-md: 24px;
            --space-lg: 32px;
            --space-xl: 48px;
            --space-2xl: 64px;
            --font-display: 'PingFang SC', 'Microsoft YaHei', 'Noto Sans CJK', sans-serif;
            --font-stack: 'PingFang SC', 'Microsoft YaHei', 'Noto Sans CJK', sans-serif;
            --font-mono: 'DIN Alternate', 'Roboto Mono', 'PingFang SC', 'Microsoft YaHei', sans-serif;
            --nav-height: 68px;
            --transition-fast: 0.2s ease;
            --transition-base: 0.25s ease;
            --transition-slow: 0.4s cubic-bezier(0.4, 0, 0.2, 1);
        }

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

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

        body {
            font-family: var(--font-stack);
            font-size: 16px;
            line-height: 1.65;
            color: var(--text);
            background-color: var(--bg);
            overflow-x: hidden;
            padding-top: var(--nav-height);
        }

        img {
            max-width: 100%;
            height: auto;
            display: block;
            border-radius: var(--radius-md);
        }

        a {
            text-decoration: none;
            color: inherit;
            transition: color var(--transition-fast);
        }

        button,
        input,
        textarea {
            font-family: var(--font-stack);
            font-size: 16px;
            outline: none;
            border: none;
        }

        button {
            cursor: pointer;
            background: none;
        }

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

        /* ============ HEADER / NAV ============ */
        .site-header {
            position: fixed;
            top: 0;
            left: 0;
            right: 0;
            z-index: 1000;
            height: var(--nav-height);
            background: rgba(12, 15, 14, 0.85);
            backdrop-filter: blur(8px);
            -webkit-backdrop-filter: blur(8px);
            border-bottom: 1px solid rgba(255, 255, 255, 0.06);
            transition: background var(--transition-base), box-shadow var(--transition-base), height var(--transition-base);
        }

        .site-header.scrolled {
            background: rgba(12, 15, 14, 0.96);
            box-shadow: 0 4px 24px rgba(0, 0, 0, 0.3);
        }

        .nav-inner {
            display: flex;
            align-items: center;
            justify-content: space-between;
            height: 100%;
            position: relative;
        }

        .nav-content-side {
            display: flex;
            align-items: center;
            gap: var(--space-lg);
            flex: 1;
            min-width: 0;
        }

        .nav-visual-side {
            display: flex;
            align-items: center;
            gap: var(--space-sm);
            flex-shrink: 0;
        }

        .logo-link {
            display: flex;
            align-items: center;
            gap: 10px;
            font-weight: 800;
            font-size: 20px;
            color: #fff;
            letter-spacing: -0.3px;
            white-space: nowrap;
            flex-shrink: 0;
        }

        .logo-link .logo-mark {
            width: 36px;
            height: 36px;
            border-radius: 10px;
            background: var(--acid);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 16px;
            color: var(--charcoal);
            font-weight: 900;
            letter-spacing: -0.5px;
            transition: background var(--transition-fast), transform var(--transition-fast);
            flex-shrink: 0;
        }

        .logo-link:hover .logo-mark {
            background: var(--teal);
            color: #fff;
            transform: scale(1.05);
        }

        .desktop-nav {
            display: flex;
            align-items: center;
            gap: var(--space-sm);
            list-style: none;
            margin-left: var(--space-sm);
            flex-wrap: nowrap;
        }

        .desktop-nav li a {
            color: rgba(255, 255, 255, 0.72);
            font-size: 14px;
            font-weight: 500;
            padding: 8px 12px;
            border-radius: 8px;
            transition: color var(--transition-fast), background var(--transition-fast);
            position: relative;
            white-space: nowrap;
            letter-spacing: 0.2px;
        }

        .desktop-nav li a::after {
            content: '';
            position: absolute;
            bottom: 2px;
            left: 12px;
            width: 0;
            height: 2px;
            background: var(--acid);
            border-radius: 1px;
            transition: width var(--transition-base);
        }

        .desktop-nav li a:hover,
        .desktop-nav li a.active {
            color: #fff;
            background: rgba(255, 255, 255, 0.06);
        }

        .desktop-nav li a.active::after,
        .desktop-nav li a:hover::after {
            width: calc(100% - 24px);
        }

        .desktop-nav li a.active {
            color: var(--acid);
        }

        .hamburger {
            display: none;
            color: #fff;
            font-size: 24px;
            padding: 6px;
            border-radius: 8px;
            transition: background var(--transition-fast);
            margin-left: auto;
        }

        .hamburger:hover {
            background: rgba(255, 255, 255, 0.1);
        }

        .nav-search-btn {
            color: rgba(255, 255, 255, 0.72);
            font-size: 16px;
            width: 40px;
            height: 40px;
            border-radius: 10px;
            display: flex;
            align-items: center;
            justify-content: center;
            transition: color var(--transition-fast), background var(--transition-fast);
        }

        .nav-search-btn:hover {
            color: #fff;
            background: rgba(255, 255, 255, 0.08);
        }

        .nav-cta-btn {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            padding: 10px 20px;
            border-radius: 10px;
            background: var(--acid);
            color: var(--charcoal);
            font-weight: 600;
            font-size: 14px;
            white-space: nowrap;
            transition: background var(--transition-fast), transform var(--transition-fast);
        }

        .nav-cta-btn:hover {
            background: var(--teal);
            color: #fff;
            transform: translateY(-1px);
        }

        /* Mobile Nav Drawer */
        .mobile-drawer {
            position: fixed;
            top: 0;
            right: -100%;
            width: 300px;
            height: 100vh;
            background: var(--charcoal);
            z-index: 1001;
            padding: var(--space-xl) var(--space-md);
            transition: right var(--transition-slow);
            display: flex;
            flex-direction: column;
            gap: var(--space-sm);
            box-shadow: -10px 0 40px rgba(0, 0, 0, 0.4);
        }

        .mobile-drawer.open {
            right: 0;
        }

        .mobile-drawer-overlay {
            position: fixed;
            top: 0;
            left: 0;
            right: 0;
            bottom: 0;
            background: rgba(0, 0, 0, 0.5);
            z-index: 1000;
            opacity: 0;
            pointer-events: none;
            transition: opacity var(--transition-base);
        }

        .mobile-drawer-overlay.open {
            opacity: 1;
            pointer-events: auto;
        }

        .mobile-drawer-close {
            position: absolute;
            top: 16px;
            right: 16px;
            color: #fff;
            font-size: 24px;
            padding: 4px 8px;
            border-radius: 8px;
        }

        .mobile-drawer-close:hover {
            background: rgba(255, 255, 255, 0.1);
        }

        .mobile-drawer .mobile-nav-link {
            color: rgba(255, 255, 255, 0.8);
            font-size: 18px;
            font-weight: 600;
            padding: 12px 16px;
            border-radius: 10px;
            transition: background var(--transition-fast), color var(--transition-fast);
        }

        .mobile-drawer .mobile-nav-link:hover,
        .mobile-drawer .mobile-nav-link.active {
            background: rgba(183, 242, 74, 0.1);
            color: var(--acid);
        }

        .mobile-drawer .mobile-cta {
            margin-top: var(--space-md);
            display: flex;
            align-items: center;
            justify-content: center;
            gap: 8px;
            padding: 14px 20px;
            border-radius: 12px;
            background: var(--acid);
            color: var(--charcoal);
            font-weight: 700;
            font-size: 16px;
        }

        /* ============ BREADCRUMB ============ */
        .breadcrumb-wrap {
            background: var(--bg);
            padding: 88px 0 0;
        }

        .breadcrumb {
            display: flex;
            align-items: center;
            gap: var(--space-xs);
            font-size: 13px;
            color: var(--text-secondary);
            padding: var(--space-sm) 0;
            flex-wrap: wrap;
        }

        .breadcrumb a {
            color: var(--text-secondary);
            transition: color var(--transition-fast);
        }

        .breadcrumb a:hover {
            color: var(--teal);
        }

        .breadcrumb .separator {
            color: var(--border-strong);
        }

        .breadcrumb .current {
            color: var(--text);
            font-weight: 600;
        }

        /* ============ HERO ============ */
        .category-hero {
            position: relative;
            background: var(--charcoal);
            padding: var(--space-2xl) 0;
            overflow: hidden;
            min-height: 420px;
            display: flex;
            align-items: center;
        }

        .category-hero::before {
            content: '';
            position: absolute;
            inset: 0;
            background-image: url('/assets/images/backpic/back-1.webp');
            background-size: cover;
            background-position: center;
            opacity: 0.25;
            z-index: 1;
        }

        .category-hero::after {
            content: '';
            position: absolute;
            inset: 0;
            background: radial-gradient(ellipse at 30% 50%, rgba(46, 107, 95, 0.45) 0%, rgba(12, 15, 14, 0.92) 70%);
            z-index: 2;
        }

        .category-hero .hero-content {
            position: relative;
            z-index: 3;
            max-width: 700px;
        }

        .category-hero .hero-badge {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            background: rgba(183, 242, 74, 0.12);
            border: 1px solid rgba(183, 242, 74, 0.3);
            color: var(--acid);
            padding: 6px 16px;
            border-radius: 20px;
            font-size: 13px;
            font-weight: 600;
            margin-bottom: var(--space-md);
            letter-spacing: 0.3px;
        }

        .category-hero h1 {
            font-family: var(--font-display);
            font-size: 42px;
            font-weight: 800;
            color: #fff;
            line-height: 1.25;
            letter-spacing: -0.8px;
            margin-bottom: var(--space-md);
        }

        .category-hero h1 .highlight {
            color: var(--acid);
        }

        .category-hero .hero-desc {
            font-size: 17px;
            color: rgba(255, 255, 255, 0.75);
            line-height: 1.75;
            margin-bottom: var(--space-lg);
            max-width: 600px;
        }

        .category-hero .hero-actions {
            display: flex;
            align-items: center;
            gap: var(--space-sm);
            flex-wrap: wrap;
        }

        .btn-primary {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            padding: 14px 28px;
            border-radius: 12px;
            background: var(--acid);
            color: var(--charcoal);
            font-weight: 700;
            font-size: 15px;
            letter-spacing: 0.2px;
            transition: background var(--transition-fast), transform var(--transition-fast), box-shadow var(--transition-base);
            box-shadow: 0 4px 16px rgba(183, 242, 74, 0.25);
        }

        .btn-primary:hover {
            background: var(--teal);
            color: #fff;
            transform: translateY(-2px);
            box-shadow: 0 8px 24px rgba(46, 107, 95, 0.4);
        }

        .btn-secondary-outline {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            padding: 14px 28px;
            border-radius: 12px;
            background: transparent;
            color: #fff;
            font-weight: 600;
            font-size: 15px;
            border: 1px solid rgba(255, 255, 255, 0.4);
            transition: background var(--transition-fast), border-color var(--transition-fast), color var(--transition-fast);
        }

        .btn-secondary-outline:hover {
            background: rgba(255, 255, 255, 0.1);
            border-color: rgba(255, 255, 255, 0.6);
            color: #fff;
        }

        .hero-stats-row {
            display: flex;
            align-items: center;
            gap: var(--space-lg);
            margin-top: var(--space-xl);
            flex-wrap: wrap;
        }

        .hero-stat-item {
            display: flex;
            flex-direction: column;
            gap: 2px;
        }

        .hero-stat-item .stat-number {
            font-family: var(--font-mono);
            font-size: 28px;
            font-weight: 800;
            color: var(--acid);
            letter-spacing: -0.5px;
        }

        .hero-stat-item .stat-label {
            font-size: 13px;
            color: rgba(255, 255, 255, 0.55);
        }

        .hero-stat-divider {
            width: 1px;
            height: 40px;
            background: rgba(255, 255, 255, 0.15);
        }

        /* ============ MAIN CONTENT ============ */
        .page-main {
            background: var(--bg);
        }

        .section-padding {
            padding: var(--space-2xl) 0;
        }

        .section-header {
            margin-bottom: var(--space-xl);
        }

        .section-header .section-label {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            font-size: 13px;
            font-weight: 600;
            color: var(--teal);
            letter-spacing: 0.5px;
            text-transform: uppercase;
            margin-bottom: var(--space-xs);
        }

        .section-header .section-label::before {
            content: '';
            width: 24px;
            height: 2px;
            background: var(--acid);
            border-radius: 2px;
        }

        .section-header h2 {
            font-family: var(--font-display);
            font-size: 32px;
            font-weight: 800;
            color: var(--text);
            letter-spacing: -0.5px;
            line-height: 1.3;
        }

        .section-header .section-sub {
            font-size: 16px;
            color: var(--text-secondary);
            line-height: 1.7;
            margin-top: var(--space-sm);
            max-width: 600px;
        }

        /* ============ CHANNEL GRID ============ */
        .channel-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: var(--space-md);
            margin-top: var(--space-md);
        }

        .channel-card {
            background: var(--surface);
            border-radius: var(--radius-lg);
            overflow: hidden;
            box-shadow: var(--shadow-md);
            transition: transform var(--transition-base), box-shadow var(--transition-base), border-color var(--transition-base);
            border: 1px solid var(--border);
            display: flex;
            flex-direction: column;
            position: relative;
        }

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

        .channel-card .card-img {
            width: 100%;
            height: 180px;
            overflow: hidden;
            position: relative;
            background: #e8ece6;
            border-radius: 0;
        }

        .channel-card .card-img img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            border-radius: 0;
            transition: transform var(--transition-slow);
        }

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

        .channel-card .card-img .img-tag {
            position: absolute;
            top: 12px;
            left: 12px;
            background: rgba(12, 15, 14, 0.85);
            color: var(--acid);
            padding: 4px 12px;
            border-radius: 6px;
            font-size: 12px;
            font-weight: 600;
            letter-spacing: 0.3px;
            z-index: 2;
        }

        .channel-card .card-body {
            padding: var(--space-md);
            display: flex;
            flex-direction: column;
            flex: 1;
        }

        .channel-card .card-title {
            font-size: 18px;
            font-weight: 700;
            color: var(--text);
            letter-spacing: -0.2px;
            margin-bottom: var(--space-xs);
        }

        .channel-card .card-desc {
            font-size: 14px;
            color: var(--text-secondary);
            line-height: 1.6;
            margin-bottom: var(--space-md);
            flex: 1;
        }

        .channel-card .card-link {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            color: var(--teal);
            font-weight: 600;
            font-size: 14px;
            transition: color var(--transition-fast), gap var(--transition-fast);
            align-self: flex-start;
        }

        .channel-card .card-link:hover {
            color: var(--charcoal);
            gap: 10px;
        }

        .channel-card.featured {
            grid-column: span 2;
            display: flex;
            flex-direction: row;
            min-height: 240px;
        }

        .channel-card.featured .card-img {
            width: 45%;
            height: auto;
            min-height: 240px;
            flex-shrink: 0;
        }

        .channel-card.featured .card-body {
            padding: var(--space-lg);
            justify-content: center;
        }

        /* ============ DEEP CONTENT ============ */
        .deep-content-section {
            background: var(--surface);
            border-radius: var(--radius-xl);
            padding: var(--space-2xl);
            box-shadow: var(--shadow-md);
            border: 1px solid var(--border);
            margin-bottom: var(--space-xl);
        }

        .deep-content-grid {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: var(--space-xl);
            align-items: center;
        }

        .deep-content-grid.reverse {
            direction: rtl;
        }

        .deep-content-grid.reverse>* {
            direction: ltr;
        }

        .deep-content-text .deep-label {
            display: inline-block;
            font-size: 12px;
            font-weight: 700;
            color: var(--teal);
            letter-spacing: 1px;
            text-transform: uppercase;
            margin-bottom: var(--space-xs);
        }

        .deep-content-text h3 {
            font-size: 24px;
            font-weight: 700;
            color: var(--text);
            letter-spacing: -0.3px;
            line-height: 1.4;
            margin-bottom: var(--space-sm);
        }

        .deep-content-text p {
            font-size: 15px;
            color: var(--text-secondary);
            line-height: 1.8;
            margin-bottom: var(--space-sm);
        }

        .deep-content-text ul {
            list-style: none;
            padding: 0;
            margin: var(--space-sm) 0 0;
        }

        .deep-content-text ul li {
            font-size: 14px;
            color: var(--text-secondary);
            line-height: 1.7;
            padding: 8px 0;
            padding-left: 28px;
            position: relative;
            border-bottom: 1px solid var(--border);
        }

        .deep-content-text ul li:last-child {
            border-bottom: none;
        }

        .deep-content-text ul li::before {
            content: '▸';
            position: absolute;
            left: 4px;
            color: var(--acid);
            font-weight: 700;
        }

        .deep-content-img {
            border-radius: var(--radius-lg);
            overflow: hidden;
            box-shadow: var(--shadow-md);
        }

        .deep-content-img img {
            width: 100%;
            height: 280px;
            object-fit: cover;
            border-radius: var(--radius-lg);
        }

        /* ============ STATS BAND ============ */
        .stats-band {
            background: var(--charcoal);
            padding: var(--space-xl) var(--space-md);
            border-radius: var(--radius-xl);
            margin: var(--space-md) 0;
            position: relative;
            overflow: hidden;
        }

        .stats-band::before {
            content: '';
            position: absolute;
            top: -50%;
            right: -20%;
            width: 400px;
            height: 400px;
            background: radial-gradient(circle, rgba(46, 107, 95, 0.35) 0%, transparent 70%);
            border-radius: 50%;
            pointer-events: none;
        }

        .stats-band-inner {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: var(--space-lg);
            position: relative;
            z-index: 1;
        }

        .stat-cell {
            text-align: center;
            padding: var(--space-sm);
            border-right: 1px solid rgba(255, 255, 255, 0.1);
        }

        .stat-cell:last-child {
            border-right: none;
        }

        .stat-cell .stat-value {
            font-family: var(--font-mono);
            font-size: 40px;
            font-weight: 800;
            color: var(--acid);
            letter-spacing: -1px;
            line-height: 1.2;
        }

        .stat-cell .stat-unit {
            font-size: 16px;
            color: rgba(255, 255, 255, 0.6);
            font-weight: 500;
        }

        .stat-cell .stat-name {
            font-size: 14px;
            color: rgba(255, 255, 255, 0.55);
            margin-top: 4px;
            letter-spacing: 0.3px;
        }

        /* ============ PROCESS STEPS ============ */
        .process-steps {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: var(--space-md);
            margin-top: var(--space-md);
        }

        .process-step {
            background: var(--surface);
            border-radius: var(--radius-lg);
            padding: var(--space-lg) var(--space-md);
            box-shadow: var(--shadow-sm);
            border: 1px solid var(--border);
            text-align: center;
            transition: transform var(--transition-base), box-shadow var(--transition-base);
            position: relative;
        }

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

        .process-step .step-number {
            width: 48px;
            height: 48px;
            border-radius: 50%;
            background: var(--charcoal);
            color: var(--acid);
            font-family: var(--font-mono);
            font-size: 20px;
            font-weight: 800;
            display: flex;
            align-items: center;
            justify-content: center;
            margin: 0 auto var(--space-sm);
            letter-spacing: -0.5px;
        }

        .process-step .step-icon {
            font-size: 22px;
            color: var(--teal);
            margin-bottom: var(--space-xs);
        }

        .process-step .step-title {
            font-size: 16px;
            font-weight: 700;
            color: var(--text);
            margin-bottom: var(--space-xs);
        }

        .process-step .step-desc {
            font-size: 13px;
            color: var(--text-secondary);
            line-height: 1.6;
        }

        .step-arrow {
            position: absolute;
            top: 50%;
            right: -20px;
            transform: translateY(-50%);
            color: var(--border-strong);
            font-size: 20px;
            z-index: 2;
            pointer-events: none;
        }

        /* ============ FAQ ============ */
        .faq-section {
            background: var(--surface);
            border-radius: var(--radius-xl);
            padding: var(--space-2xl);
            box-shadow: var(--shadow-md);
            border: 1px solid var(--border);
        }

        .faq-list {
            display: flex;
            flex-direction: column;
            gap: var(--space-sm);
            margin-top: var(--space-md);
        }

        .faq-item {
            border: 1px solid var(--border);
            border-radius: var(--radius-md);
            overflow: hidden;
            transition: border-color var(--transition-fast), box-shadow var(--transition-fast);
            background: var(--surface);
        }

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

        .faq-item.active {
            border-color: var(--charcoal);
            box-shadow: var(--shadow-sm);
            background: #f9fbf7;
        }

        .faq-question {
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: var(--space-sm);
            padding: var(--space-md) var(--space-lg);
            cursor: pointer;
            width: 100%;
            text-align: left;
            background: none;
            transition: background var(--transition-fast);
            font-size: 16px;
            font-weight: 600;
            color: var(--text);
            letter-spacing: -0.2px;
        }

        .faq-question:hover {
            background: rgba(12, 15, 14, 0.03);
        }

        .faq-question .faq-icon {
            flex-shrink: 0;
            width: 28px;
            height: 28px;
            border-radius: 50%;
            background: var(--bg);
            color: var(--text-secondary);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 13px;
            transition: transform var(--transition-base), background var(--transition-base), color var(--transition-base);
        }

        .faq-item.active .faq-icon {
            transform: rotate(45deg);
            background: var(--charcoal);
            color: var(--acid);
        }

        .faq-answer {
            max-height: 0;
            overflow: hidden;
            transition: max-height var(--transition-slow), padding var(--transition-slow);
            padding: 0 var(--space-lg);
            color: var(--text-secondary);
            font-size: 15px;
            line-height: 1.75;
        }

        .faq-item.active .faq-answer {
            max-height: 300px;
            padding-bottom: var(--space-md);
        }

        /* ============ CTA / CONTACT ============ */
        .cta-section {
            background: var(--charcoal);
            border-radius: var(--radius-xl);
            padding: var(--space-2xl);
            color: #fff;
            position: relative;
            overflow: hidden;
        }

        .cta-section::before {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            width: 100%;
            height: 100%;
            background: radial-gradient(ellipse at 70% 20%, rgba(46, 107, 95, 0.4) 0%, transparent 60%);
            pointer-events: none;
        }

        .cta-grid {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: var(--space-xl);
            position: relative;
            z-index: 1;
            align-items: start;
        }

        .cta-info h2 {
            font-size: 28px;
            font-weight: 800;
            color: #fff;
            letter-spacing: -0.4px;
            margin-bottom: var(--space-sm);
            line-height: 1.35;
        }

        .cta-info p {
            color: rgba(255, 255, 255, 0.7);
            font-size: 15px;
            line-height: 1.7;
            margin-bottom: var(--space-lg);
        }

        .cta-contact-list {
            list-style: none;
            padding: 0;
            display: flex;
            flex-direction: column;
            gap: var(--space-sm);
        }

        .cta-contact-list li {
            display: flex;
            align-items: center;
            gap: 12px;
            color: rgba(255, 255, 255, 0.75);
            font-size: 14px;
        }

        .cta-contact-list li i {
            color: var(--acid);
            width: 20px;
            text-align: center;
            flex-shrink: 0;
        }

        .cta-form {
            display: flex;
            flex-direction: column;
            gap: var(--space-sm);
        }

        .cta-form .form-row {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: var(--space-sm);
        }

        .cta-form input,
        .cta-form textarea {
            background: rgba(255, 255, 255, 0.06);
            border: 1px solid rgba(255, 255, 255, 0.15);
            border-radius: 8px;
            padding: 14px 16px;
            color: #fff;
            font-size: 14px;
            transition: border-color var(--transition-fast), background var(--transition-fast);
            width: 100%;
        }

        .cta-form input::placeholder,
        .cta-form textarea::placeholder {
            color: rgba(255, 255, 255, 0.4);
        }

        .cta-form input:focus,
        .cta-form textarea:focus {
            border-color: var(--acid);
            background: rgba(255, 255, 255, 0.08);
            outline: 2px solid rgba(183, 242, 74, 0.2);
            outline-offset: 0;
        }

        .cta-form textarea {
            min-height: 100px;
            resize: vertical;
        }

        .cta-form .btn-submit {
            padding: 14px 28px;
            border-radius: 10px;
            background: var(--acid);
            color: var(--charcoal);
            font-weight: 700;
            font-size: 15px;
            letter-spacing: 0.2px;
            transition: background var(--transition-fast), transform var(--transition-fast);
            align-self: flex-start;
        }

        .cta-form .btn-submit:hover {
            background: var(--teal);
            color: #fff;
            transform: translateY(-2px);
        }

        .cta-form .btn-outline-white {
            padding: 14px 28px;
            border-radius: 10px;
            background: transparent;
            color: #fff;
            font-weight: 600;
            font-size: 15px;
            border: 1px solid rgba(255, 255, 255, 0.4);
            transition: background var(--transition-fast), border-color var(--transition-fast);
            align-self: flex-start;
        }

        .cta-form .btn-outline-white:hover {
            background: rgba(255, 255, 255, 0.08);
            border-color: rgba(255, 255, 255, 0.6);
        }

        .form-actions {
            display: flex;
            gap: var(--space-sm);
            flex-wrap: wrap;
        }

        /* ============ FOOTER ============ */
        .site-footer {
            background: var(--charcoal);
            color: rgba(255, 255, 255, 0.7);
            padding: var(--space-2xl) 0 var(--space-xl);
            margin-top: var(--space-2xl);
        }

        .footer-inner {
            display: flex;
            flex-direction: column;
            gap: var(--space-xl);
        }

        .footer-top {
            display: grid;
            grid-template-columns: 1.5fr 2fr;
            gap: var(--space-xl);
        }

        .footer-brand {
            display: flex;
            flex-direction: column;
            gap: var(--space-sm);
        }

        .footer-logo {
            display: flex;
            align-items: center;
            gap: 10px;
            font-weight: 800;
            font-size: 20px;
            color: #fff;
            letter-spacing: -0.3px;
        }

        .logo-mark-sm {
            width: 32px;
            height: 32px;
            border-radius: 8px;
            background: var(--acid);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 14px;
            color: var(--charcoal);
            font-weight: 900;
        }

        .footer-desc {
            font-size: 14px;
            color: rgba(255, 255, 255, 0.55);
            line-height: 1.7;
            max-width: 350px;
        }

        .footer-links-group {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: var(--space-lg);
        }

        .footer-links-col {
            display: flex;
            flex-direction: column;
            gap: 10px;
        }

        .footer-links-col h5 {
            font-size: 14px;
            font-weight: 700;
            color: #fff;
            letter-spacing: 0.5px;
            margin-bottom: var(--space-xs);
        }

        .footer-links-col a {
            font-size: 14px;
            color: rgba(255, 255, 255, 0.55);
            transition: color var(--transition-fast), padding-left var(--transition-fast);
        }

        .footer-links-col a:hover {
            color: var(--acid);
            padding-left: 4px;
        }

        .footer-bottom {
            display: flex;
            flex-direction: column;
            gap: var(--space-xs);
            border-top: 1px solid rgba(255, 255, 255, 0.1);
            padding-top: var(--space-md);
        }

        .footer-bottom-row {
            display: flex;
            align-items: center;
            gap: var(--space-xs);
            flex-wrap: wrap;
            font-size: 13px;
            color: rgba(255, 255, 255, 0.45);
        }

        .footer-bottom-row a {
            color: rgba(255, 255, 255, 0.55);
            transition: color var(--transition-fast);
        }

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

        .footer-bottom-row .separator {
            color: rgba(255, 255, 255, 0.2);
            font-size: 12px;
        }

        /* ============ ANIMATION UTILITIES ============ */
        .reveal {
            opacity: 0;
            transform: translateY(24px);
            transition: opacity var(--transition-slow), transform var(--transition-slow);
        }

        .reveal.visible {
            opacity: 1;
            transform: translateY(0);
        }

        /* ============ RESPONSIVE ============ */
        @media (max-width: 1024px) {
            .channel-grid {
                grid-template-columns: repeat(2, 1fr);
            }

            .channel-card.featured {
                grid-column: span 2;
                flex-direction: column;
            }

            .channel-card.featured .card-img {
                width: 100%;
                height: 200px;
                min-height: auto;
            }

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

            .step-arrow {
                display: none;
            }

            .cta-grid {
                grid-template-columns: 1fr;
                gap: var(--space-lg);
            }

            .footer-top {
                grid-template-columns: 1fr;
                gap: var(--space-lg);
            }

            .category-hero h1 {
                font-size: 34px;
            }

            .deep-content-grid {
                grid-template-columns: 1fr;
                gap: var(--space-md);
            }

            .deep-content-grid.reverse {
                direction: ltr;
            }

            .deep-content-img img {
                height: 220px;
            }

            .stats-band-inner {
                grid-template-columns: repeat(2, 1fr);
                gap: var(--space-md);
            }

            .stat-cell:nth-child(2) {
                border-right: none;
            }

            .stat-cell:nth-child(1),
            .stat-cell:nth-child(2) {
                border-bottom: 1px solid rgba(255, 255, 255, 0.1);
                padding-bottom: var(--space-md);
            }
        }

        @media (max-width: 768px) {
            :root {
                --nav-height: 60px;
                --space-2xl: 40px;
                --space-xl: 32px;
                --space-lg: 24px;
            }

            .desktop-nav {
                display: none;
            }

            .hamburger {
                display: flex;
                align-items: center;
                justify-content: center;
            }

            .nav-visual-side .nav-search-btn {
                display: none;
            }

            .nav-cta-btn {
                padding: 8px 14px;
                font-size: 13px;
            }

            .category-hero {
                min-height: 360px;
                padding: var(--space-xl) 0;
            }

            .category-hero h1 {
                font-size: 28px;
                letter-spacing: -0.5px;
            }

            .category-hero .hero-desc {
                font-size: 15px;
            }

            .hero-stats-row {
                gap: var(--space-md);
            }

            .hero-stat-item .stat-number {
                font-size: 22px;
            }

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

            .channel-card.featured {
                grid-column: span 1;
                flex-direction: column;
            }

            .channel-card.featured .card-img {
                width: 100%;
                height: 180px;
                min-height: auto;
            }

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

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

            .faq-question {
                padding: var(--space-sm) var(--space-md);
                font-size: 14px;
            }

            .faq-answer {
                padding: 0 var(--space-md);
                font-size: 14px;
            }

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

            .cta-form .form-row {
                grid-template-columns: 1fr;
            }

            .footer-links-group {
                grid-template-columns: 1fr 1fr;
                gap: var(--space-md);
            }

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

            .section-header h2 {
                font-size: 26px;
            }

            .breadcrumb-wrap {
                padding-top: 64px;
            }
        }

        @media (max-width: 520px) {
            :root {
                --space-2xl: 32px;
                --space-xl: 24px;
                --space-lg: 20px;
                --space-md: 16px;
                --space-sm: 12px;
                --space-xs: 6px;
                --nav-height: 56px;
            }

            .logo-link {
                font-size: 17px;
            }

            .logo-link .logo-mark {
                width: 30px;
                height: 30px;
                font-size: 13px;
                border-radius: 8px;
            }

            .nav-cta-btn {
                padding: 6px 12px;
                font-size: 12px;
                border-radius: 8px;
            }

            .category-hero h1 {
                font-size: 22px;
            }

            .category-hero .hero-desc {
                font-size: 14px;
            }

            .btn-primary,
            .btn-secondary-outline {
                padding: 12px 20px;
                font-size: 14px;
                border-radius: 10px;
            }

            .hero-stats-row {
                flex-direction: column;
                align-items: flex-start;
                gap: var(--space-sm);
            }

            .hero-stat-divider {
                width: 100%;
                height: 1px;
                background: rgba(255, 255, 255, 0.1);
            }

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

            .footer-links-group {
                grid-template-columns: 1fr;
                gap: var(--space-sm);
            }

            .footer-bottom-row {
                flex-direction: column;
                align-items: flex-start;
                gap: 4px;
            }

            .footer-bottom-row .separator {
                display: none;
            }

            .deep-content-section {
                padding: var(--space-md);
                border-radius: var(--radius-lg);
            }

            .faq-section {
                padding: var(--space-md);
                border-radius: var(--radius-lg);
            }

            .cta-section {
                padding: var(--space-md);
                border-radius: var(--radius-lg);
            }

            .section-header h2 {
                font-size: 22px;
            }

            .stats-band-inner {
                grid-template-columns: 1fr;
                gap: var(--space-sm);
            }

            .stat-cell,
            .stat-cell:nth-child(2) {
                border-right: none;
                border-bottom: 1px solid rgba(255, 255, 255, 0.08);
                padding-bottom: var(--space-sm);
            }

            .stat-cell:last-child {
                border-bottom: none;
                padding-bottom: 0;
            }

            .stat-cell .stat-value {
                font-size: 32px;
            }
        }