/* roulang page: index */
/* ===== 设计变量 ===== */
        :root {
            --color-bg: #F7FAFC;
            --color-bg-blue: #EDF2F7;
            --color-bg-deep: #E2E8F0;
            --color-surface: #FFFFFF;
            --color-primary: #B97A4E;
            --color-primary-hover: #A06A40;
            --color-primary-light: #F5E6DC;
            --color-primary-dark: #8E5A35;
            --color-text: #1A2430;
            --color-text-weak: #5C6B7A;
            --color-text-muted: #8A96A3;
            --color-border: #E2E8F0;
            --color-accent-green: #6B8F71;
            --color-accent-gold: #C9A961;
            --radius-lg: 18px;
            --radius-md: 12px;
            --radius-sm: 8px;
            --radius-full: 999px;
            --shadow-sm: 0 2px 8px rgba(40, 70, 90, 0.06);
            --shadow-md: 0 6px 16px rgba(40, 70, 90, 0.08);
            --shadow-lg: 0 14px 30px rgba(40, 70, 90, 0.08);
            --spacer-section: 100px;
            --font-family: "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", "Helvetica Neue", Arial, sans-serif;
        }

        /* ===== Reset & Base ===== */
        *,
        *::before,
        *::after {
            box-sizing: border-box;
            margin: 0;
            padding: 0;
        }
        html {
            scroll-behavior: smooth;
        }
        body {
            font-family: var(--font-family);
            background-color: var(--color-bg);
            color: var(--color-text);
            line-height: 1.75;
            font-size: 15px;
            -webkit-font-smoothing: antialiased;
        }
        a {
            color: var(--color-primary);
            text-decoration: none;
            transition: color .2s ease;
        }
        a:hover {
            color: var(--color-primary-hover);
        }
        img {
            max-width: 100%;
            display: block;
        }
        button {
            font-family: inherit;
            cursor: pointer;
            border: none;
            background: none;
        }
        input,
        select,
        textarea {
            font-family: inherit;
            font-size: 15px;
            color: var(--color-text);
            border: 1px solid var(--color-border);
            border-radius: var(--radius-sm);
            padding: 11px 14px;
            background: var(--color-surface);
            outline: none;
            transition: border-color .2s ease, box-shadow .2s ease;
            width: 100%;
        }
        input:focus,
        select:focus,
        textarea:focus {
            border-color: var(--color-primary);
            box-shadow: 0 0 0 3px rgba(185, 122, 78, .12);
        }
        ::placeholder {
            color: var(--color-text-muted);
        }

        /* ===== 布局工具 ===== */
        .container {
            max-width: 1240px;
            margin: 0 auto;
            padding: 0 28px;
        }
        .section {
            padding: var(--spacer-section) 0;
        }
        .section-head {
            max-width: 700px;
            margin-bottom: 48px;
        }
        .section-head .section-tag {
            display: inline-block;
            font-size: 12px;
            font-weight: 600;
            color: var(--color-primary);
            background: var(--color-primary-light);
            padding: 4px 14px;
            border-radius: var(--radius-full);
            letter-spacing: .5px;
            margin-bottom: 14px;
        }
        .section-head h2 {
            font-size: 34px;
            font-weight: 800;
            line-height: 1.3;
            letter-spacing: .5px;
            color: var(--color-text);
            margin-bottom: 14px;
        }
        .section-head p {
            font-size: 15px;
            color: var(--color-text-weak);
            line-height: 1.8;
        }
        @media (max-width: 768px) {
            .section-head h2 {
                font-size: 26px;
            }
        }

        /* ===== 按钮 ===== */
        .btn {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 8px;
            padding: 12px 26px;
            border-radius: var(--radius-sm);
            font-size: 15px;
            font-weight: 600;
            line-height: 1.4;
            transition: all .25s ease;
            cursor: pointer;
            border: 2px solid transparent;
            text-align: center;
        }
        .btn-primary {
            background: var(--color-primary);
            color: #fff;
            box-shadow: 0 4px 14px rgba(185, 122, 78, .3);
        }
        .btn-primary:hover {
            background: var(--color-primary-hover);
            color: #fff;
            transform: translateY(-2px);
            box-shadow: 0 6px 20px rgba(185, 122, 78, .4);
        }
        .btn-primary:active {
            transform: translateY(0);
        }
        .btn-outline {
            background: transparent;
            border-color: var(--color-primary);
            color: var(--color-primary);
        }
        .btn-outline:hover {
            background: var(--color-primary-light);
            color: var(--color-primary-hover);
            transform: translateY(-2px);
        }
        .btn-lg {
            padding: 15px 34px;
            font-size: 16px;
        }

        /* ===== 标签 / 徽章 ===== */
        .badge {
            display: inline-flex;
            align-items: center;
            gap: 5px;
            font-size: 12px;
            font-weight: 600;
            padding: 4px 14px;
            border-radius: var(--radius-full);
            letter-spacing: .5px;
        }
        .badge-primary {
            background: var(--color-primary);
            color: #fff;
        }
        .badge-light {
            background: var(--color-primary-light);
            color: var(--color-primary);
        }
        .badge-green {
            background: rgba(107, 143, 113, .12);
            color: var(--color-accent-green);
        }
        .badge-gold {
            background: rgba(201, 169, 97, .14);
            color: #A3843C;
        }

        /* ===== Header ===== */
        .site-header {
            background: var(--color-surface);
            border-bottom: 1px solid var(--color-border);
            position: sticky;
            top: 0;
            z-index: 100;
        }
        .header-inner {
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 24px;
            padding-top: 16px;
            padding-bottom: 16px;
        }
        .logo {
            flex-shrink: 0;
        }
        .logo a {
            font-size: 30px;
            font-weight: 800;
            letter-spacing: 1px;
            color: var(--color-text);
            line-height: 1.2;
            display: block;
        }
        .logo a span {
            color: var(--color-primary);
        }
        .main-nav {
            display: flex;
            align-items: center;
            gap: 0;
        }
        .main-nav a {
            font-size: 14px;
            font-weight: 500;
            color: var(--color-text-weak);
            padding: 6px 20px;
            border-left: 1px solid var(--color-border);
            transition: color .2s ease, background .2s ease;
            line-height: 1.4;
        }
        .main-nav a:first-child {
            border-left: none;
        }
        .main-nav a:hover {
            color: var(--color-primary);
        }
        .main-nav a.active {
            color: var(--color-primary);
            font-weight: 700;
        }
        .nav-cta {
            padding: 10px 22px;
            font-size: 14px;
            flex-shrink: 0;
        }
        .nav-toggle {
            display: none;
            width: 42px;
            height: 42px;
            border-radius: var(--radius-sm);
            border: 1px solid var(--color-border);
            background: var(--color-surface);
            align-items: center;
            justify-content: center;
            font-size: 20px;
            color: var(--color-text);
            transition: background .2s;
        }
        .nav-toggle:hover {
            background: var(--color-bg-blue);
        }

        /* ===== Hero ===== */
        .hero {
            background: linear-gradient(145deg, #EAF2F8 0%, #F0F5F9 50%, #F7FAFC 100%);
            padding: 72px 0 88px;
            position: relative;
            overflow: hidden;
        }
        .hero::before {
            content: "";
            position: absolute;
            width: 300px;
            height: 300px;
            border-radius: 50%;
            background: radial-gradient(circle, rgba(185, 122, 78, .07) 0%, transparent 70%);
            top: -80px;
            right: 6%;
            pointer-events: none;
        }
        .hero::after {
            content: "";
            position: absolute;
            width: 180px;
            height: 180px;
            border-radius: 50%;
            background: radial-gradient(circle, rgba(107, 143, 113, .06) 0%, transparent 70%);
            bottom: -40px;
            left: 4%;
            pointer-events: none;
        }
        .hero-inner {
            display: grid;
            grid-template-columns: 1.1fr .9fr;
            gap: 48px;
            align-items: center;
            position: relative;
            z-index: 2;
        }
        .hero-badge {
            margin-bottom: 20px;
        }
        .hero h1 {
            font-size: 46px;
            font-weight: 800;
            line-height: 1.3;
            letter-spacing: 1px;
            color: var(--color-text);
            margin-bottom: 20px;
        }
        .hero h1 .highlight {
            color: var(--color-primary);
        }
        .hero-sub {
            font-size: 16px;
            color: var(--color-text-weak);
            line-height: 1.8;
            max-width: 540px;
            margin-bottom: 32px;
        }
        .hero-actions {
            display: flex;
            gap: 14px;
            flex-wrap: wrap;
        }
        .hero-cover {
            border-radius: var(--radius-lg);
            overflow: hidden;
            box-shadow: var(--shadow-lg);
            background: var(--color-bg-blue);
            position: relative;
        }
        .hero-cover img {
            width: 100%;
            aspect-ratio: 3 / 4;
            object-fit: cover;
            display: block;
        }
        .hero-cover .cover-placeholder {
            display: flex;
            align-items: center;
            justify-content: center;
            aspect-ratio: 3 / 4;
            background: linear-gradient(135deg, var(--color-bg-blue), #DCE6EE);
            color: var(--color-text-muted);
            font-size: 18px;
            font-weight: 600;
        }
        .hero-cover .cover-caption {
            position: absolute;
            bottom: 0;
            left: 0;
            right: 0;
            padding: 30px 20px 16px;
            background: linear-gradient(to top, rgba(26, 36, 48, .55), transparent);
            color: #fff;
            font-size: 13px;
            font-weight: 500;
            letter-spacing: .5px;
        }

        /* ===== 频道入口 ===== */
        .channels-section {
            background: var(--color-bg);
        }
        .channels-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 24px;
        }
        .channel-card {
            background: var(--color-surface);
            border-radius: var(--radius-lg);
            padding: 30px;
            box-shadow: var(--shadow-sm);
            border: 1px solid rgba(226, 232, 240, .7);
            transition: box-shadow .3s ease, transform .3s ease;
            display: flex;
            flex-direction: column;
            gap: 10px;
            position: relative;
        }
        .channel-card:hover {
            box-shadow: var(--shadow-lg);
            transform: translateY(-4px);
        }
        .channel-card.is-wide {
            grid-column: span 2;
        }
        .channel-card.is-tall {
            grid-row: span 1;
        }
        .channel-tag {
            font-size: 11px;
            font-weight: 700;
            color: var(--color-primary);
            letter-spacing: 1px;
            text-transform: uppercase;
            background: var(--color-primary-light);
            display: inline-block;
            padding: 3px 10px;
            border-radius: var(--radius-full);
            align-self: flex-start;
        }
        .channel-card h3 {
            font-size: 21px;
            font-weight: 700;
            color: var(--color-text);
            margin-bottom: 2px;
        }
        .channel-card p {
            font-size: 14px;
            color: var(--color-text-weak);
            line-height: 1.7;
            flex: 1;
        }
        .channel-meta {
            display: flex;
            align-items: center;
            gap: 12px;
            font-size: 12px;
            color: var(--color-text-muted);
            padding-top: 12px;
            border-top: 1px solid var(--color-bg-deep);
            margin-top: auto;
        }
        .channel-meta .dot {
            width: 5px;
            height: 5px;
            border-radius: 50%;
            background: var(--color-accent-green);
            display: inline-block;
        }

        /* ===== 数据墙 ===== */
        .stats-section {
            background: var(--color-bg-blue);
            padding: 56px 0;
        }
        .stats-grid {
            display: grid;
            grid-template-columns: repeat(5, 1fr);
            gap: 32px;
        }
        .stat-item {
            text-align: center;
            padding: 16px 8px;
        }
        .stat-icon {
            width: 44px;
            height: 44px;
            border-radius: 50%;
            display: inline-flex;
            align-items: center;
            justify-content: center;
            font-size: 18px;
            background: var(--color-surface);
            box-shadow: var(--shadow-sm);
            margin-bottom: 12px;
            color: var(--color-primary);
        }
        .stat-number {
            font-size: 36px;
            font-weight: 800;
            color: var(--color-text);
            line-height: 1.2;
            letter-spacing: -1px;
        }
        .stat-label {
            font-size: 14px;
            color: var(--color-text-weak);
            margin-top: 6px;
        }

        /* ===== 茶友笔记 ===== */
        .notes-section {
            background: var(--color-bg);
        }
        .notes-list {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 24px;
        }
        .note-card {
            background: var(--color-surface);
            border-radius: var(--radius-lg);
            box-shadow: var(--shadow-sm);
            border: 1px solid rgba(226, 232, 240, .6);
            overflow: hidden;
            display: flex;
            gap: 0;
            transition: box-shadow .3s ease, transform .3s ease;
        }
        .note-card:hover {
            box-shadow: var(--shadow-md);
            transform: translateY(-3px);
        }
        .note-thumb {
            width: 180px;
            flex-shrink: 0;
            min-height: 100%;
        }
        .note-thumb img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            min-height: 176px;
        }
        .note-thumb .thumb-placeholder {
            width: 100%;
            height: 100%;
            min-height: 176px;
            display: flex;
            align-items: center;
            justify-content: center;
            background: var(--color-bg-blue);
            color: var(--color-text-muted);
            font-size: 14px;
            font-weight: 600;
        }
        .note-body {
            padding: 22px 24px;
            flex: 1;
        }
        .note-body h3 {
            font-size: 18px;
            font-weight: 700;
            color: var(--color-text);
            line-height: 1.4;
            margin-bottom: 8px;
        }
        .note-body p {
            font-size: 14px;
            color: var(--color-text-weak);
            line-height: 1.7;
            margin-bottom: 12px;
            display: -webkit-box;
            -webkit-line-clamp: 3;
            -webkit-box-orient: vertical;
            overflow: hidden;
        }
        .note-meta {
            display: flex;
            align-items: center;
            gap: 10px;
            font-size: 12px;
            color: var(--color-text-muted);
        }
        .note-author {
            color: var(--color-accent-green);
            font-weight: 600;
        }
        .note-meta .sep {
            color: var(--color-bg-deep);
        }

        /* ===== 方案榜单 ===== */
        .ranking-section {
            background: var(--color-surface);
            border-top: 1px solid var(--color-border);
            border-bottom: 1px solid var(--color-border);
        }
        .rank-list {
            border: 1px solid var(--color-border);
            border-radius: var(--radius-lg);
            overflow: hidden;
            background: var(--color-surface);
            box-shadow: var(--shadow-sm);
        }
        .rank-item {
            display: flex;
            align-items: center;
            gap: 20px;
            padding: 26px 28px;
            border-bottom: 1px solid var(--color-border);
            transition: background .2s ease;
        }
        .rank-item:last-child {
            border-bottom: none;
        }
        .rank-item:hover {
            background: #FAFCFE;
        }
        .rank-number {
            font-size: 34px;
            font-weight: 800;
            color: var(--color-primary-light);
            width: 56px;
            text-align: center;
            line-height: 1;
            flex-shrink: 0;
        }
        .rank-info {
            flex: 1;
        }
        .rank-name {
            font-size: 19px;
            font-weight: 700;
            color: var(--color-text);
            margin-bottom: 4px;
        }
        .rank-meta {
            font-size: 13px;
            color: var(--color-text-weak);
            display: flex;
            gap: 16px;
            flex-wrap: wrap;
        }
        .rank-meta span {
            display: inline-flex;
            align-items: center;
            gap: 4px;
        }
        .rank-meta .price {
            color: var(--color-primary-dark);
            font-weight: 700;
        }
        .rank-right {
            display: flex;
            align-items: center;
            gap: 18px;
            flex-shrink: 0;
        }
        .rank-count {
            font-size: 13px;
            color: var(--color-text-muted);
            white-space: nowrap;
        }
        .rank-link {
            font-size: 14px;
            font-weight: 600;
            color: var(--color-primary);
            white-space: nowrap;
        }
        .rank-link:hover {
            text-decoration: underline;
        }

        /* ===== FAQ ===== */
        .faq-section {
            background: var(--color-bg);
        }
        .faq-list {
            max-width: 900px;
            margin: 0 auto;
        }
        .faq-item {
            background: var(--color-surface);
            border-radius: var(--radius-md);
            border: 1px solid var(--color-border);
            margin-bottom: 14px;
            overflow: hidden;
            transition: box-shadow .25s ease;
        }
        .faq-item.is-active {
            box-shadow: var(--shadow-sm);
            border-color: rgba(185, 122, 78, .35);
        }
        .faq-question {
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 16px;
            padding: 20px 24px;
            cursor: pointer;
            background: var(--color-surface);
            transition: background .2s;
            font-size: 16px;
            font-weight: 600;
            color: var(--color-text);
            line-height: 1.5;
        }
        .faq-question:hover {
            background: #F9FBFC;
        }
        .faq-question .q-icon {
            font-size: 13px;
            color: var(--color-primary);
            background: var(--color-primary-light);
            border-radius: 50%;
            width: 28px;
            height: 28px;
            display: inline-flex;
            align-items: center;
            justify-content: center;
            flex-shrink: 0;
        }
        .faq-question .arrow {
            font-size: 14px;
            color: var(--color-text-muted);
            transition: transform .3s ease;
            flex-shrink: 0;
        }
        .faq-item.is-active .faq-question .arrow {
            transform: rotate(180deg);
        }
        .faq-answer {
            max-height: 0;
            overflow: hidden;
            transition: max-height .3s ease, padding .3s ease;
            padding: 0 24px;
        }
        .faq-item.is-active .faq-answer {
            max-height: 600px;
            padding: 0 24px 22px;
        }
        .faq-answer-inner {
            font-size: 14px;
            color: var(--color-text-weak);
            line-height: 1.8;
            padding: 16px 18px;
            background: #F9FBFC;
            border-radius: var(--radius-sm);
            border-left: 3px solid var(--color-primary);
        }

        /* ===== 联系 / 表单 ===== */
        .contact-section {
            background: linear-gradient(135deg, var(--color-bg-blue) 0%, var(--color-bg) 60%);
            position: relative;
            overflow: hidden;
        }
        .contact-section::before {
            content: "";
            position: absolute;
            inset: 0;
            background-image: url('/assets/images/backpic/back-1.jpg');
            background-size: cover;
            background-position: center;
            opacity: .12;
            pointer-events: none;
        }
        .contact-inner {
            position: relative;
            z-index: 2;
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 48px;
            align-items: start;
        }
        .contact-info {
            padding-top: 8px;
        }
        .contact-info h3 {
            font-size: 22px;
            font-weight: 700;
            margin-bottom: 16px;
            color: var(--color-text);
        }
        .info-list {
            list-style: none;
            margin-bottom: 28px;
        }
        .info-list li {
            display: flex;
            gap: 12px;
            padding: 10px 0;
            font-size: 14px;
            color: var(--color-text-weak);
            border-bottom: 1px dashed rgba(226, 232, 240, .8);
        }
        .info-list li:last-child {
            border-bottom: none;
        }
        .info-list .info-label {
            font-weight: 600;
            color: var(--color-text);
            min-width: 60px;
            flex-shrink: 0;
        }
        .process-steps {
            display: flex;
            gap: 12px;
            margin-top: 10px;
            flex-wrap: wrap;
        }
        .process-step {
            display: flex;
            align-items: center;
            gap: 8px;
            background: var(--color-surface);
            border: 1px solid var(--color-border);
            border-radius: var(--radius-full);
            padding: 8px 18px;
            font-size: 13px;
            color: var(--color-text-weak);
        }
        .process-step .step-num {
            width: 22px;
            height: 22px;
            border-radius: 50%;
            background: var(--color-primary);
            color: #fff;
            font-size: 12px;
            font-weight: 700;
            display: inline-flex;
            align-items: center;
            justify-content: center;
        }
        .contact-form-wrap {
            background: var(--color-surface);
            border-radius: var(--radius-lg);
            padding: 36px;
            box-shadow: var(--shadow-lg);
            border: 1px solid rgba(226, 232, 240, .6);
        }
        .form-group {
            margin-bottom: 18px;
        }
        .form-group label {
            display: block;
            font-size: 14px;
            font-weight: 600;
            color: var(--color-text);
            margin-bottom: 6px;
        }
        .form-row {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 14px;
        }
        .form-tip {
            font-size: 13px;
            color: var(--color-text-muted);
            margin-top: 14px;
            text-align: center;
            line-height: 1.6;
        }

        /* ===== Footer ===== */
        .site-footer {
            background: #1F2A37;
            color: rgba(255, 255, 255, .75);
            padding: 60px 0 30px;
        }
        .footer-top {
            display: grid;
            grid-template-columns: 2fr 1fr 1fr;
            gap: 40px;
            padding-bottom: 36px;
            border-bottom: 1px solid rgba(255, 255, 255, .08);
        }
        .footer-brand {
            font-size: 24px;
            font-weight: 800;
            color: #fff;
            line-height: 1.3;
            margin-bottom: 10px;
            letter-spacing: .5px;
        }
        .footer-brand span {
            color: var(--color-primary);
        }
        .footer-desc {
            font-size: 14px;
            line-height: 1.7;
            color: rgba(255, 255, 255, .6);
            max-width: 360px;
        }
        .footer-col h4 {
            font-size: 15px;
            font-weight: 700;
            color: #fff;
            margin-bottom: 14px;
        }
        .footer-col a {
            display: block;
            font-size: 14px;
            color: rgba(255, 255, 255, .6);
            padding: 5px 0;
            transition: color .2s;
        }
        .footer-col a:hover {
            color: #fff;
        }
        .footer-bottom {
            padding-top: 22px;
            font-size: 13px;
            color: rgba(255, 255, 255, .4);
            text-align: center;
        }

        /* ===== 响应式 ===== */
        @media (max-width: 1024px) {
            .hero h1 {
                font-size: 38px;
            }
            .stats-grid {
                grid-template-columns: repeat(3, 1fr);
                gap: 20px;
            }
            .channels-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .channel-card.is-wide {
                grid-column: span 1;
            }
            .notes-list {
                grid-template-columns: 1fr;
            }
            .contact-inner {
                grid-template-columns: 1fr;
            }
            .footer-top {
                grid-template-columns: 1fr 1fr;
            }
            .rank-item {
                flex-wrap: wrap;
                gap: 12px;
            }
            .rank-right {
                margin-left: auto;
            }
        }
        @media (max-width: 768px) {
            :root {
                --spacer-section: 72px;
            }
            .header-inner {
                flex-wrap: wrap;
                padding-top: 14px;
                padding-bottom: 14px;
            }
            .logo a {
                font-size: 24px;
            }
            .main-nav {
                display: none;
                width: 100%;
                flex-direction: column;
                background: var(--color-surface);
                border-top: 1px solid var(--color-border);
                padding: 10px 0;
                gap: 0;
            }
            .main-nav.is-open {
                display: flex;
            }
            .main-nav a {
                width: 100%;
                text-align: left;
                padding: 12px 20px;
                border-left: none;
                border-bottom: 1px solid var(--color-bg-deep);
                font-size: 15px;
            }
            .main-nav a:last-child {
                border-bottom: none;
            }
            .nav-toggle {
                display: flex;
                margin-left: auto;
            }
            .nav-cta {
                display: none;
            }
            .hero-inner {
                grid-template-columns: 1fr;
                gap: 32px;
            }
            .hero h1 {
                font-size: 32px;
            }
            .hero-cover img {
                aspect-ratio: 16 / 10;
            }
            .hero-cover .cover-placeholder {
                aspect-ratio: 16 / 10;
            }
            .channels-grid {
                grid-template-columns: 1fr;
            }
            .stats-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .stats-section {
                padding: 44px 0;
            }
            .note-card {
                flex-direction: column;
            }
            .note-thumb {
                width: 100%;
            }
            .note-thumb img {
                min-height: 160px;
            }
            .note-thumb .thumb-placeholder {
                min-height: 160px;
            }
            .rank-item {
                flex-direction: column;
                align-items: flex-start;
            }
            .rank-number {
                width: auto;
                font-size: 28px;
            }
            .rank-right {
                margin-left: 0;
                width: 100%;
                justify-content: space-between;
            }
            .contact-form-wrap {
                padding: 26px 22px;
            }
            .form-row {
                grid-template-columns: 1fr;
            }
            .footer-top {
                grid-template-columns: 1fr;
                gap: 30px;
            }
            .section {
                padding: 60px 0;
            }
            .section-head h2 {
                font-size: 26px;
            }
        }
        @media (max-width: 520px) {
            .container {
                padding: 0 18px;
            }
            .hero {
                padding: 48px 0 60px;
            }
            .hero h1 {
                font-size: 27px;
                line-height: 1.35;
            }
            .hero-actions {
                flex-direction: column;
                gap: 12px;
            }
            .hero-actions .btn {
                width: 100%;
            }
            .stats-grid {
                grid-template-columns: 1fr 1fr;
                gap: 12px;
            }
            .stat-number {
                font-size: 28px;
            }
            .channel-card {
                padding: 24px 20px;
            }
            .rank-item {
                padding: 20px 18px;
            }
            .section-head {
                margin-bottom: 32px;
            }
        }