/* roulang page: index */
/* ===== 设计变量 ===== */
        :root {
            --primary: #FF6B35;
            --primary-light: #FF8F65;
            --primary-dark: #E55A2B;
            --primary-gradient: linear-gradient(135deg, #FF6B35 0%, #FF8F65 100%);
            --secondary: #1B2A4A;
            --secondary-light: #2C4A7C;
            --secondary-dark: #0F1A30;
            --accent: #FFD166;
            --accent-light: #FFE39E;
            --bg-body: #F5F7FA;
            --bg-white: #FFFFFF;
            --bg-dark: #1B2A4A;
            --bg-dark-alt: #0F1A30;
            --text-primary: #1A1A2E;
            --text-secondary: #4A4A6A;
            --text-light: #8E8EA0;
            --text-white: #FFFFFF;
            --border: #E8ECF1;
            --border-light: #F0F2F5;
            --radius: 16px;
            --radius-sm: 8px;
            --radius-lg: 24px;
            --shadow: 0 8px 30px rgba(0, 0, 0, 0.08);
            --shadow-hover: 0 16px 48px rgba(0, 0, 0, 0.14);
            --shadow-lg: 0 24px 64px rgba(0, 0, 0, 0.12);
            --transition: 0.35s cubic-bezier(0.4, 0, 0.2, 1);
            --font-sans: 'Noto Sans SC', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', Arial, sans-serif;
            --max-width: 1200px;
            --header-height: 72px;
        }

        /* ===== 基础重置 ===== */
        *,
        *::before,
        *::after {
            box-sizing: border-box;
            margin: 0;
            padding: 0;
        }

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

        body {
            font-family: var(--font-sans);
            font-size: 16px;
            line-height: 1.7;
            color: var(--text-primary);
            background: var(--bg-body);
            min-height: 100vh;
        }

        a {
            color: var(--primary);
            text-decoration: none;
            transition: color var(--transition);
        }
        a:hover,
        a:focus-visible {
            color: var(--primary-dark);
        }

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

        button,
        input,
        textarea,
        select {
            font-family: inherit;
            font-size: inherit;
            border: none;
            outline: none;
        }

        ul,
        ol {
            list-style: none;
        }

        h1,
        h2,
        h3,
        h4,
        h5,
        h6 {
            line-height: 1.25;
            font-weight: 700;
            color: var(--text-primary);
        }

        /* ===== 容器 ===== */
        .container {
            max-width: var(--max-width);
            margin: 0 auto;
            padding: 0 24px;
        }

        @media (max-width: 768px) {
            .container {
                padding: 0 16px;
            }
        }

        /* ===== 导航 ===== */
        .site-header {
            position: fixed;
            top: 0;
            left: 0;
            right: 0;
            z-index: 1000;
            height: var(--header-height);
            background: rgba(255, 255, 255, 0.92);
            backdrop-filter: blur(20px);
            -webkit-backdrop-filter: blur(20px);
            border-bottom: 1px solid var(--border-light);
            transition: background var(--transition), box-shadow var(--transition);
        }

        .site-header.scrolled {
            background: rgba(255, 255, 255, 0.98);
            box-shadow: 0 2px 20px rgba(0, 0, 0, 0.06);
        }

        .header-inner {
            display: flex;
            align-items: center;
            justify-content: space-between;
            height: 100%;
            max-width: var(--max-width);
            margin: 0 auto;
            padding: 0 24px;
        }

        .site-logo {
            display: flex;
            align-items: center;
            gap: 10px;
            font-size: 24px;
            font-weight: 800;
            color: var(--secondary);
            text-decoration: none;
            letter-spacing: -0.5px;
        }
        .site-logo:hover {
            color: var(--primary);
        }
        .site-logo .logo-icon {
            display: flex;
            align-items: center;
            justify-content: center;
            width: 40px;
            height: 40px;
            background: var(--primary-gradient);
            border-radius: 10px;
            color: #fff;
            font-size: 22px;
            flex-shrink: 0;
        }
        .site-logo .logo-text {
            background: var(--primary-gradient);
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
        }

        .nav-list {
            display: flex;
            align-items: center;
            gap: 4px;
        }

        .nav-list li a {
            display: inline-flex;
            align-items: center;
            padding: 8px 18px;
            border-radius: var(--radius-sm);
            font-size: 15px;
            font-weight: 500;
            color: var(--text-secondary);
            transition: all var(--transition);
            position: relative;
        }
        .nav-list li a:hover {
            color: var(--primary);
            background: rgba(255, 107, 53, 0.08);
        }
        .nav-list li a:focus-visible {
            outline: 2px solid var(--primary);
            outline-offset: 2px;
        }
        .nav-list li a.active {
            color: var(--primary);
            background: rgba(255, 107, 53, 0.12);
            font-weight: 600;
        }

        .nav-cta a {
            background: var(--primary-gradient) !important;
            color: #fff !important;
            padding: 8px 24px !important;
            border-radius: 50px !important;
            font-weight: 600 !important;
            box-shadow: 0 4px 14px rgba(255, 107, 53, 0.35);
        }
        .nav-cta a:hover {
            transform: translateY(-2px);
            box-shadow: 0 8px 24px rgba(255, 107, 53, 0.45) !important;
        }

        /* 移动端汉堡 */
        .menu-toggle {
            display: none;
            flex-direction: column;
            gap: 5px;
            cursor: pointer;
            padding: 4px;
            background: none;
            border: none;
        }
        .menu-toggle span {
            display: block;
            width: 26px;
            height: 3px;
            background: var(--secondary);
            border-radius: 3px;
            transition: all var(--transition);
        }
        .menu-toggle.active span:nth-child(1) {
            transform: rotate(45deg) translate(5px, 6px);
        }
        .menu-toggle.active span:nth-child(2) {
            opacity: 0;
        }
        .menu-toggle.active span:nth-child(3) {
            transform: rotate(-45deg) translate(5px, -6px);
        }

        @media (max-width: 820px) {
            .menu-toggle {
                display: flex;
            }
            .nav-list {
                position: fixed;
                top: var(--header-height);
                left: 0;
                right: 0;
                background: rgba(255, 255, 255, 0.98);
                backdrop-filter: blur(20px);
                flex-direction: column;
                padding: 20px 24px;
                gap: 4px;
                border-bottom: 1px solid var(--border);
                transform: translateY(-120%);
                opacity: 0;
                transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
                pointer-events: none;
                box-shadow: 0 20px 40px rgba(0, 0, 0, 0.08);
            }
            .nav-list.open {
                transform: translateY(0);
                opacity: 1;
                pointer-events: auto;
            }
            .nav-list li a {
                width: 100%;
                padding: 12px 18px;
                font-size: 16px;
            }
            .nav-cta a {
                text-align: center;
                justify-content: center;
                margin-top: 8px;
            }
        }

        @media (max-width: 520px) {
            .header-inner {
                padding: 0 16px;
            }
            .site-logo {
                font-size: 20px;
            }
            .site-logo .logo-icon {
                width: 34px;
                height: 34px;
                font-size: 18px;
            }
        }

        /* ===== 通用板块 ===== */
        .section {
            padding: 100px 0;
        }
        .section-alt {
            background: var(--bg-white);
        }
        .section-dark {
            background: var(--bg-dark);
            color: var(--text-white);
        }
        .section-dark h2,
        .section-dark h3,
        .section-dark .section-sub {
            color: var(--text-white);
        }

        .section-header {
            text-align: center;
            margin-bottom: 56px;
        }
        .section-header .section-tag {
            display: inline-block;
            padding: 6px 18px;
            background: rgba(255, 107, 53, 0.10);
            color: var(--primary);
            border-radius: 50px;
            font-size: 14px;
            font-weight: 600;
            letter-spacing: 0.5px;
            margin-bottom: 16px;
        }
        .section-header h2 {
            font-size: 36px;
            font-weight: 800;
            margin-bottom: 16px;
            letter-spacing: -0.5px;
        }
        .section-header .section-sub {
            font-size: 18px;
            color: var(--text-light);
            max-width: 640px;
            margin: 0 auto;
            line-height: 1.6;
        }

        @media (max-width: 768px) {
            .section {
                padding: 64px 0;
            }
            .section-header {
                margin-bottom: 40px;
            }
            .section-header h2 {
                font-size: 28px;
            }
            .section-header .section-sub {
                font-size: 16px;
            }
        }

        @media (max-width: 520px) {
            .section {
                padding: 48px 0;
            }
            .section-header h2 {
                font-size: 24px;
            }
        }

        /* ===== 按钮 ===== */
        .btn {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            padding: 14px 32px;
            border-radius: 50px;
            font-weight: 600;
            font-size: 16px;
            transition: all var(--transition);
            cursor: pointer;
            border: none;
            background: var(--primary-gradient);
            color: #fff;
            box-shadow: 0 4px 16px rgba(255, 107, 53, 0.30);
        }
        .btn:hover {
            transform: translateY(-3px);
            box-shadow: 0 10px 32px rgba(255, 107, 53, 0.40);
            color: #fff;
        }
        .btn:active {
            transform: translateY(0);
        }
        .btn:focus-visible {
            outline: 2px solid var(--primary);
            outline-offset: 3px;
        }

        .btn-outline {
            background: transparent;
            color: var(--text-primary);
            border: 2px solid var(--border);
            box-shadow: none;
        }
        .btn-outline:hover {
            border-color: var(--primary);
            color: var(--primary);
            background: rgba(255, 107, 53, 0.05);
            box-shadow: none;
        }

        .btn-light {
            background: #fff;
            color: var(--secondary);
            box-shadow: 0 4px 16px rgba(0, 0, 0, 0.10);
        }
        .btn-light:hover {
            background: #fff;
            color: var(--primary);
            box-shadow: 0 8px 28px rgba(0, 0, 0, 0.16);
        }

        .btn-sm {
            padding: 8px 20px;
            font-size: 14px;
        }
        .btn-lg {
            padding: 18px 42px;
            font-size: 18px;
        }

        /* ===== Hero 首屏 ===== */
        .hero {
            min-height: 100vh;
            display: flex;
            align-items: center;
            position: relative;
            background: var(--secondary);
            overflow: hidden;
            padding-top: var(--header-height);
        }

        .hero-bg {
            position: absolute;
            inset: 0;
            background: linear-gradient(135deg, #1B2A4A 0%, #0F1A30 40%, #2C4A7C 100%);
            z-index: 0;
        }
        .hero-bg::after {
            content: '';
            position: absolute;
            inset: 0;
            background: radial-gradient(ellipse at 20% 50%, rgba(255, 107, 53, 0.15) 0%, transparent 60%),
                radial-gradient(ellipse at 80% 30%, rgba(255, 209, 102, 0.10) 0%, transparent 50%);
            z-index: 1;
        }

        .hero-pattern {
            position: absolute;
            inset: 0;
            z-index: 1;
            opacity: 0.04;
            background-image: url("data:image/svg+xml,%3Csvg width='60' height='60' viewBox='0 0 60 60' xmlns='http://www.w3.org/2000/svg'%3E%3Cg fill='none' fill-rule='evenodd'%3E%3Cg fill='%23ffffff' fill-opacity='1'%3E%3Cpath d='M36 34v-4h-2v4h-4v2h4v4h2v-4h4v-2h-4zm0-30V0h-2v4h-4v2h4v4h2V6h4V4h-4zM6 34v-4H4v4H0v2h4v4h2v-4h4v-2H6zM6 4V0H4v4H0v2h4v4h2V6h4V4H6z'/%3E%3C/g%3E%3C/g%3E%3C/svg%3E");
        }

        .hero-content {
            position: relative;
            z-index: 2;
            padding: 80px 0 100px;
            text-align: center;
        }

        .hero-badge {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            padding: 8px 20px;
            background: rgba(255, 255, 255, 0.10);
            backdrop-filter: blur(10px);
            border: 1px solid rgba(255, 255, 255, 0.12);
            border-radius: 50px;
            color: var(--accent);
            font-size: 14px;
            font-weight: 500;
            margin-bottom: 32px;
        }
        .hero-badge i {
            font-size: 16px;
        }

        .hero h1 {
            font-size: 56px;
            font-weight: 900;
            color: #fff;
            line-height: 1.15;
            margin-bottom: 24px;
            letter-spacing: -1px;
        }
        .hero h1 .highlight {
            background: var(--primary-gradient);
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
        }

        .hero p {
            font-size: 20px;
            color: rgba(255, 255, 255, 0.75);
            max-width: 620px;
            margin: 0 auto 40px;
            line-height: 1.7;
        }

        .hero-actions {
            display: flex;
            flex-wrap: wrap;
            gap: 16px;
            justify-content: center;
        }

        .hero-stats {
            display: flex;
            flex-wrap: wrap;
            gap: 40px;
            justify-content: center;
            margin-top: 64px;
            padding-top: 48px;
            border-top: 1px solid rgba(255, 255, 255, 0.08);
        }
        .hero-stat {
            text-align: center;
        }
        .hero-stat .num {
            font-size: 32px;
            font-weight: 800;
            color: #fff;
            display: block;
        }
        .hero-stat .label {
            font-size: 14px;
            color: rgba(255, 255, 255, 0.55);
            margin-top: 4px;
        }

        @media (max-width: 1024px) {
            .hero h1 {
                font-size: 44px;
            }
        }

        @media (max-width: 768px) {
            .hero {
                min-height: auto;
            }
            .hero-content {
                padding: 60px 0 80px;
            }
            .hero h1 {
                font-size: 34px;
            }
            .hero p {
                font-size: 17px;
            }
            .hero-stats {
                gap: 24px;
                margin-top: 40px;
                padding-top: 32px;
            }
            .hero-stat .num {
                font-size: 26px;
            }
        }

        @media (max-width: 520px) {
            .hero h1 {
                font-size: 28px;
            }
            .hero p {
                font-size: 15px;
            }
            .hero-actions .btn {
                width: 100%;
                justify-content: center;
            }
            .hero-stats {
                flex-direction: column;
                gap: 16px;
            }
        }

        /* ===== 特色卡片 ===== */
        .features-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 32px;
        }

        .feature-card {
            background: var(--bg-white);
            border-radius: var(--radius);
            padding: 40px 32px;
            text-align: center;
            box-shadow: var(--shadow);
            transition: all var(--transition);
            border: 1px solid var(--border-light);
        }
        .feature-card:hover {
            transform: translateY(-6px);
            box-shadow: var(--shadow-hover);
        }

        .feature-card .icon {
            width: 64px;
            height: 64px;
            border-radius: 16px;
            display: flex;
            align-items: center;
            justify-content: center;
            margin: 0 auto 24px;
            font-size: 28px;
            color: #fff;
        }
        .feature-card .icon.orange {
            background: var(--primary-gradient);
        }
        .feature-card .icon.blue {
            background: linear-gradient(135deg, #1B2A4A, #2C4A7C);
        }
        .feature-card .icon.gold {
            background: linear-gradient(135deg, #FFD166, #FFB84D);
        }

        .feature-card h3 {
            font-size: 20px;
            font-weight: 700;
            margin-bottom: 12px;
        }
        .feature-card p {
            color: var(--text-secondary);
            font-size: 15px;
            line-height: 1.6;
        }

        @media (max-width: 1024px) {
            .features-grid {
                gap: 24px;
            }
        }

        @media (max-width: 768px) {
            .features-grid {
                grid-template-columns: repeat(2, 1fr);
                gap: 20px;
            }
            .feature-card {
                padding: 28px 20px;
            }
        }

        @media (max-width: 520px) {
            .features-grid {
                grid-template-columns: 1fr;
            }
        }

        /* ===== 分类入口 ===== */
        .categories-grid {
            display: grid;
            grid-template-columns: repeat(2, 1fr);
            gap: 32px;
        }

        .category-card {
            position: relative;
            border-radius: var(--radius);
            overflow: hidden;
            background: var(--bg-white);
            box-shadow: var(--shadow);
            transition: all var(--transition);
            border: 1px solid var(--border-light);
            padding: 48px 40px;
            display: flex;
            flex-direction: column;
            align-items: flex-start;
        }
        .category-card:hover {
            transform: translateY(-6px);
            box-shadow: var(--shadow-hover);
        }

        .category-card .cat-icon {
            width: 56px;
            height: 56px;
            border-radius: 14px;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 24px;
            color: #fff;
            margin-bottom: 24px;
        }
        .category-card .cat-icon.strategy {
            background: linear-gradient(135deg, #FF6B35, #FF8F65);
        }
        .category-card .cat-icon.events {
            background: linear-gradient(135deg, #1B2A4A, #2C4A7C);
        }

        .category-card h3 {
            font-size: 24px;
            font-weight: 800;
            margin-bottom: 12px;
        }
        .category-card p {
            color: var(--text-secondary);
            font-size: 15px;
            line-height: 1.6;
            margin-bottom: 24px;
            flex: 1;
        }
        .category-card .cat-link {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            font-weight: 600;
            font-size: 15px;
            color: var(--primary);
            transition: gap var(--transition);
        }
        .category-card .cat-link:hover {
            gap: 14px;
        }

        @media (max-width: 768px) {
            .categories-grid {
                grid-template-columns: 1fr;
                gap: 24px;
            }
            .category-card {
                padding: 32px 28px;
            }
            .category-card h3 {
                font-size: 20px;
            }
        }

        /* ===== 资讯列表（CMS） ===== */
        .posts-grid {
            display: grid;
            grid-template-columns: repeat(2, 1fr);
            gap: 28px;
        }

        .post-card {
            background: var(--bg-white);
            border-radius: var(--radius);
            overflow: hidden;
            box-shadow: var(--shadow);
            transition: all var(--transition);
            border: 1px solid var(--border-light);
            display: flex;
            flex-direction: column;
        }
        .post-card:hover {
            transform: translateY(-4px);
            box-shadow: var(--shadow-hover);
        }

        .post-card .post-body {
            padding: 28px 28px 24px;
            flex: 1;
            display: flex;
            flex-direction: column;
        }

        .post-card .post-meta {
            display: flex;
            align-items: center;
            gap: 12px;
            margin-bottom: 12px;
            flex-wrap: wrap;
        }
        .post-card .post-cat {
            display: inline-block;
            padding: 3px 12px;
            background: rgba(255, 107, 53, 0.10);
            color: var(--primary);
            border-radius: 50px;
            font-size: 12px;
            font-weight: 600;
        }
        .post-card .post-date {
            font-size: 13px;
            color: var(--text-light);
        }

        .post-card h3 {
            font-size: 18px;
            font-weight: 700;
            margin-bottom: 10px;
            line-height: 1.4;
        }
        .post-card h3 a {
            color: var(--text-primary);
        }
        .post-card h3 a:hover {
            color: var(--primary);
        }

        .post-card .post-excerpt {
            color: var(--text-secondary);
            font-size: 14px;
            line-height: 1.6;
            flex: 1;
            display: -webkit-box;
            -webkit-line-clamp: 3;
            -webkit-box-orient: vertical;
            overflow: hidden;
        }

        .post-card .post-readmore {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            font-size: 14px;
            font-weight: 600;
            color: var(--primary);
            margin-top: 16px;
            transition: gap var(--transition);
        }
        .post-card .post-readmore:hover {
            gap: 12px;
        }

        .posts-empty {
            grid-column: 1 / -1;
            text-align: center;
            padding: 60px 20px;
            background: var(--bg-white);
            border-radius: var(--radius);
            border: 1px dashed var(--border);
            color: var(--text-light);
            font-size: 16px;
        }
        .posts-empty i {
            font-size: 40px;
            display: block;
            margin-bottom: 16px;
            color: var(--border);
        }

        @media (max-width: 768px) {
            .posts-grid {
                grid-template-columns: 1fr;
                gap: 20px;
            }
            .post-card .post-body {
                padding: 20px 20px 18px;
            }
        }

        /* ===== 数据/流程 ===== */
        .process-steps {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 28px;
            counter-reset: step;
        }

        .step-card {
            text-align: center;
            background: var(--bg-white);
            border-radius: var(--radius);
            padding: 36px 24px 32px;
            box-shadow: var(--shadow);
            border: 1px solid var(--border-light);
            transition: all var(--transition);
            position: relative;
        }
        .step-card:hover {
            transform: translateY(-4px);
            box-shadow: var(--shadow-hover);
        }

        .step-card .step-num {
            width: 48px;
            height: 48px;
            border-radius: 50%;
            background: var(--primary-gradient);
            color: #fff;
            font-size: 20px;
            font-weight: 800;
            display: flex;
            align-items: center;
            justify-content: center;
            margin: 0 auto 20px;
        }

        .step-card h4 {
            font-size: 18px;
            font-weight: 700;
            margin-bottom: 10px;
        }
        .step-card p {
            color: var(--text-secondary);
            font-size: 14px;
            line-height: 1.6;
        }

        .step-connector {
            display: none;
        }

        @media (max-width: 1024px) {
            .process-steps {
                grid-template-columns: repeat(2, 1fr);
            }
        }

        @media (max-width: 520px) {
            .process-steps {
                grid-template-columns: 1fr;
                gap: 20px;
            }
        }

        /* ===== FAQ ===== */
        .faq-list {
            max-width: 800px;
            margin: 0 auto;
            display: flex;
            flex-direction: column;
            gap: 12px;
        }

        .faq-item {
            background: var(--bg-white);
            border-radius: var(--radius-sm);
            border: 1px solid var(--border-light);
            overflow: hidden;
            transition: all var(--transition);
        }
        .faq-item:hover {
            border-color: var(--border);
        }

        .faq-question {
            display: flex;
            align-items: center;
            justify-content: space-between;
            padding: 20px 24px;
            cursor: pointer;
            font-size: 16px;
            font-weight: 600;
            color: var(--text-primary);
            background: none;
            width: 100%;
            text-align: left;
            transition: all var(--transition);
            gap: 16px;
        }
        .faq-question:hover {
            color: var(--primary);
        }
        .faq-question:focus-visible {
            outline: 2px solid var(--primary);
            outline-offset: -2px;
        }
        .faq-question .faq-icon {
            flex-shrink: 0;
            font-size: 18px;
            color: var(--text-light);
            transition: transform var(--transition);
        }
        .faq-item.open .faq-question .faq-icon {
            transform: rotate(180deg);
            color: var(--primary);
        }

        .faq-answer {
            max-height: 0;
            overflow: hidden;
            transition: max-height 0.4s ease, padding 0.4s ease;
            padding: 0 24px;
        }
        .faq-item.open .faq-answer {
            max-height: 300px;
            padding: 0 24px 20px;
        }
        .faq-answer p {
            color: var(--text-secondary);
            font-size: 15px;
            line-height: 1.7;
        }

        @media (max-width: 520px) {
            .faq-question {
                padding: 16px 18px;
                font-size: 15px;
            }
            .faq-answer {
                padding: 0 18px;
            }
            .faq-item.open .faq-answer {
                padding: 0 18px 16px;
            }
        }

        /* ===== CTA ===== */
        .cta-section {
            background: var(--secondary);
            position: relative;
            overflow: hidden;
        }
        .cta-section .cta-bg {
            position: absolute;
            inset: 0;
            background: radial-gradient(ellipse at 30% 50%, rgba(255, 107, 53, 0.12) 0%, transparent 60%),
                radial-gradient(ellipse at 70% 50%, rgba(255, 209, 102, 0.08) 0%, transparent 50%);
            z-index: 0;
        }
        .cta-section .container {
            position: relative;
            z-index: 1;
        }

        .cta-content {
            text-align: center;
            padding: 40px 0;
        }
        .cta-content h2 {
            font-size: 36px;
            font-weight: 800;
            color: #fff;
            margin-bottom: 16px;
        }
        .cta-content p {
            font-size: 18px;
            color: rgba(255, 255, 255, 0.70);
            max-width: 560px;
            margin: 0 auto 32px;
        }

        @media (max-width: 768px) {
            .cta-content h2 {
                font-size: 28px;
            }
            .cta-content p {
                font-size: 16px;
            }
        }

        /* ===== 页脚 ===== */
        .site-footer {
            background: var(--bg-dark-alt);
            color: rgba(255, 255, 255, 0.70);
            padding: 60px 0 32px;
        }

        .footer-grid {
            display: grid;
            grid-template-columns: 2fr 1fr 1fr 1fr;
            gap: 40px;
            margin-bottom: 48px;
        }

        .footer-brand .site-logo {
            margin-bottom: 16px;
        }
        .footer-brand .site-logo .logo-text {
            color: #fff;
            -webkit-text-fill-color: #fff;
        }
        .footer-brand p {
            font-size: 14px;
            line-height: 1.7;
            max-width: 320px;
        }

        .footer-col h4 {
            font-size: 16px;
            font-weight: 700;
            color: #fff;
            margin-bottom: 20px;
        }
        .footer-col ul li {
            margin-bottom: 10px;
        }
        .footer-col ul li a {
            color: rgba(255, 255, 255, 0.60);
            font-size: 14px;
            transition: color var(--transition);
        }
        .footer-col ul li a:hover {
            color: var(--primary);
        }

        .footer-bottom {
            border-top: 1px solid rgba(255, 255, 255, 0.06);
            padding-top: 24px;
            display: flex;
            flex-wrap: wrap;
            justify-content: space-between;
            align-items: center;
            gap: 16px;
            font-size: 13px;
            color: rgba(255, 255, 255, 0.40);
        }
        .footer-bottom a {
            color: rgba(255, 255, 255, 0.50);
        }
        .footer-bottom a:hover {
            color: var(--primary);
        }

        @media (max-width: 1024px) {
            .footer-grid {
                grid-template-columns: 1fr 1fr;
                gap: 32px;
            }
        }

        @media (max-width: 520px) {
            .site-footer {
                padding: 40px 0 24px;
            }
            .footer-grid {
                grid-template-columns: 1fr;
                gap: 28px;
            }
            .footer-bottom {
                flex-direction: column;
                text-align: center;
            }
        }

        /* ===== 滚动动画 ===== */
        .reveal {
            opacity: 0;
            transform: translateY(30px);
            transition: opacity 0.7s ease, transform 0.7s ease;
        }
        .reveal.visible {
            opacity: 1;
            transform: translateY(0);
        }

        /* ===== 基础布局覆盖 ===== */
        .grid-x {
            margin: 0;
        }
        .cell {
            padding: 0;
        }

        /* ===== 顶部进度条 ===== */
        .scroll-progress {
            position: fixed;
            top: 0;
            left: 0;
            height: 3px;
            background: var(--primary-gradient);
            z-index: 1001;
            width: 0%;
            transition: width 0.1s ease;
        }

/* roulang page: category1 */
/* ===== 设计变量 ===== */
        :root {
            --primary: #1a7a7a;
            --primary-dark: #0e5c5c;
            --primary-light: #e8f5f5;
            --primary-glow: rgba(26, 122, 122, 0.15);
            --secondary: #f5a623;
            --secondary-light: #fff3e0;
            --accent: #ff6b6b;
            --bg-body: #fafbfc;
            --bg-card: #ffffff;
            --bg-section-alt: #f0f7f7;
            --bg-dark: #1a2a2a;
            --text-primary: #1a2a2a;
            --text-secondary: #5a6a6a;
            --text-light: #8a9a9a;
            --text-white: #ffffff;
            --border-color: #e2e8f0;
            --border-light: #f0f4f4;
            --radius-sm: 8px;
            --radius-md: 16px;
            --radius-lg: 24px;
            --radius-xl: 32px;
            --shadow-sm: 0 2px 8px rgba(0, 0, 0, 0.06);
            --shadow-md: 0 8px 30px rgba(0, 0, 0, 0.08);
            --shadow-lg: 0 20px 60px rgba(0, 0, 0, 0.10);
            --shadow-primary: 0 8px 30px rgba(26, 122, 122, 0.20);
            --transition: 0.3s cubic-bezier(0.4, 0, 0.2, 1);
            --font-sans: 'Segoe UI', 'PingFang SC', 'Microsoft YaHei', 'Helvetica Neue', Arial, sans-serif;
            --container-max: 1200px;
            --header-height: 80px;
        }

        /* ===== Reset & Base ===== */
        *, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
        html { scroll-behavior: smooth; -webkit-font-smoothing: antialiased; }
        body {
            font-family: var(--font-sans);
            font-size: 16px;
            line-height: 1.7;
            color: var(--text-primary);
            background: var(--bg-body);
        }
        a { color: var(--primary); text-decoration: none; transition: var(--transition); }
        a:hover { color: var(--primary-dark); }
        a:focus-visible { outline: 3px solid var(--primary); outline-offset: 2px; border-radius: 4px; }
        img { max-width: 100%; height: auto; display: block; }
        ul, ol { list-style: none; }
        h1, h2, h3, h4, h5, h6 { line-height: 1.3; font-weight: 700; color: var(--text-primary); }
        h1 { font-size: 2.8rem; letter-spacing: -0.02em; }
        h2 { font-size: 2.0rem; letter-spacing: -0.01em; }
        h3 { font-size: 1.4rem; }
        h4 { font-size: 1.15rem; }
        p { margin-bottom: 1rem; color: var(--text-secondary); }
        .container { max-width: var(--container-max); margin: 0 auto; padding: 0 24px; width: 100%; }

        /* ===== Foundation 覆盖 ===== */
        .grid-container { max-width: var(--container-max); padding-left: 24px; padding-right: 24px; }
        .grid-x { margin-left: -12px; margin-right: -12px; }
        .cell { padding-left: 12px; padding-right: 12px; }
        .button { font-family: var(--font-sans); border-radius: var(--radius-md); transition: var(--transition); }

        /* ===== Header / Nav ===== */
        .site-header {
            position: fixed; top: 0; left: 0; right: 0; z-index: 1000;
            background: rgba(255, 255, 255, 0.92);
            backdrop-filter: blur(20px);
            -webkit-backdrop-filter: blur(20px);
            border-bottom: 1px solid var(--border-light);
            height: var(--header-height);
            transition: var(--transition);
        }
        .site-header.scrolled { box-shadow: var(--shadow-md); }
        .header-inner {
            display: flex; align-items: center; justify-content: space-between;
            height: var(--header-height); max-width: var(--container-max);
            margin: 0 auto; padding: 0 24px;
        }
        .site-logo {
            display: flex; align-items: center; gap: 10px;
            font-size: 1.5rem; font-weight: 800; color: var(--primary);
            transition: var(--transition);
        }
        .site-logo:hover { color: var(--primary-dark); transform: scale(1.02); }
        .logo-icon { font-size: 1.8rem; color: var(--secondary); }
        .logo-text { letter-spacing: -0.02em; }
        .nav-list { display: flex; align-items: center; gap: 8px; }
        .nav-list li a {
            display: inline-block; padding: 8px 20px;
            font-size: 0.95rem; font-weight: 500; color: var(--text-secondary);
            border-radius: var(--radius-sm); transition: var(--transition);
            position: relative;
        }
        .nav-list li a::after {
            content: ''; position: absolute; bottom: 2px; left: 50%; transform: translateX(-50%);
            width: 0; height: 3px; background: var(--primary);
            border-radius: 4px; transition: var(--transition);
        }
        .nav-list li a:hover { color: var(--primary); background: var(--primary-light); }
        .nav-list li a:hover::after { width: 60%; }
        .nav-list li a.active { color: var(--primary); font-weight: 600; background: var(--primary-light); }
        .nav-list li a.active::after { width: 60%; }
        .nav-cta a {
            background: var(--primary) !important; color: var(--text-white) !important;
            padding: 10px 28px !important; border-radius: var(--radius-md) !important;
            font-weight: 600 !important; box-shadow: var(--shadow-primary);
        }
        .nav-cta a::after { display: none !important; }
        .nav-cta a:hover { background: var(--primary-dark) !important; transform: translateY(-2px); box-shadow: 0 12px 40px rgba(26, 122, 122, 0.30) !important; }
        .nav-cta a i { margin-left: 6px; font-size: 0.85rem; transition: var(--transition); }
        .nav-cta a:hover i { transform: translateX(4px); }

        /* Mobile menu toggle */
        .menu-toggle { display: none; background: none; border: none; font-size: 1.6rem; color: var(--text-primary); cursor: pointer; padding: 8px; border-radius: var(--radius-sm); transition: var(--transition); }
        .menu-toggle:hover { background: var(--primary-light); color: var(--primary); }
        .menu-toggle:focus-visible { outline: 3px solid var(--primary); outline-offset: 2px; }

        /* ===== Hero ===== */
        .hero-section {
            padding: 140px 0 80px; background: linear-gradient(135deg, var(--bg-section-alt) 0%, #ffffff 100%);
            position: relative; overflow: hidden;
        }
        .hero-section::before {
            content: ''; position: absolute; top: -40%; right: -20%; width: 600px; height: 600px;
            background: radial-gradient(circle, var(--primary-glow) 0%, transparent 70%);
            border-radius: 50%; pointer-events: none;
        }
        .hero-section::after {
            content: ''; position: absolute; bottom: -30%; left: -10%; width: 400px; height: 400px;
            background: radial-gradient(circle, rgba(245, 166, 35, 0.08) 0%, transparent 70%);
            border-radius: 50%; pointer-events: none;
        }
        .hero-inner { position: relative; z-index: 1; display: flex; align-items: center; gap: 60px; }
        .hero-content { flex: 1.2; }
        .hero-badge {
            display: inline-flex; align-items: center; gap: 8px;
            background: var(--primary-light); color: var(--primary); font-size: 0.85rem;
            font-weight: 600; padding: 6px 16px; border-radius: 50px;
            margin-bottom: 20px; letter-spacing: 0.3px;
        }
        .hero-badge i { font-size: 0.8rem; }
        .hero-content h1 { font-size: 3.2rem; line-height: 1.2; margin-bottom: 20px; }
        .hero-content h1 span { color: var(--primary); position: relative; }
        .hero-content h1 span::after {
            content: ''; position: absolute; bottom: 4px; left: 0; right: 0; height: 8px;
            background: var(--primary-glow); border-radius: 4px; z-index: -1;
        }
        .hero-content p { font-size: 1.15rem; color: var(--text-secondary); max-width: 540px; margin-bottom: 32px; }
        .hero-actions { display: flex; gap: 16px; flex-wrap: wrap; }
        .hero-image { flex: 1; position: relative; }
        .hero-image-card {
            background: var(--bg-card); border-radius: var(--radius-lg);
            box-shadow: var(--shadow-lg); padding: 40px; text-align: center;
            border: 1px solid var(--border-light); position: relative;
        }
        .hero-image-card .big-icon { font-size: 5rem; color: var(--primary); opacity: 0.15; position: absolute; top: 20px; right: 30px; }
        .hero-image-card .stat-row { display: flex; justify-content: center; gap: 40px; margin-top: 20px; }
        .hero-image-card .stat-item { text-align: center; }
        .hero-image-card .stat-number { font-size: 2.4rem; font-weight: 800; color: var(--primary); line-height: 1.2; }
        .hero-image-card .stat-label { font-size: 0.9rem; color: var(--text-light); margin-top: 4px; }
        .hero-image-card .icon-list { display: flex; justify-content: center; gap: 12px; margin-top: 24px; }
        .hero-image-card .icon-list span {
            width: 48px; height: 48px; border-radius: 50%;
            background: var(--primary-light); color: var(--primary);
            display: flex; align-items: center; justify-content: center;
            font-size: 1.3rem; transition: var(--transition);
        }
        .hero-image-card .icon-list span:hover { background: var(--primary); color: var(--text-white); transform: translateY(-4px); }

        /* ===== 通用板块 ===== */
        .section { padding: 80px 0; }
        .section-alt { background: var(--bg-section-alt); }
        .section-dark { background: var(--bg-dark); color: var(--text-white); }
        .section-dark h2, .section-dark h3, .section-dark p { color: var(--text-white); }
        .section-header { text-align: center; max-width: 700px; margin: 0 auto 48px; }
        .section-header h2 { margin-bottom: 12px; }
        .section-header p { font-size: 1.1rem; }
        .section-badge {
            display: inline-flex; align-items: center; gap: 6px;
            background: var(--primary-light); color: var(--primary);
            font-size: 0.8rem; font-weight: 600; padding: 4px 14px;
            border-radius: 50px; margin-bottom: 12px; letter-spacing: 0.3px;
        }
        .section-badge i { font-size: 0.75rem; }

        /* ===== 分类卡片网格 ===== */
        .category-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 24px; }
        .category-card {
            background: var(--bg-card); border-radius: var(--radius-md);
            padding: 32px 24px; text-align: center;
            border: 1px solid var(--border-color); transition: var(--transition);
            cursor: default; position: relative; overflow: hidden;
        }
        .category-card::before {
            content: ''; position: absolute; top: 0; left: 0; right: 0; height: 4px;
            background: var(--primary); transform: scaleX(0); transform-origin: left;
            transition: var(--transition);
        }
        .category-card:hover { transform: translateY(-6px); box-shadow: var(--shadow-md); border-color: var(--primary); }
        .category-card:hover::before { transform: scaleX(1); }
        .category-card .cat-icon {
            width: 64px; height: 64px; border-radius: 50%;
            background: var(--primary-light); color: var(--primary);
            display: flex; align-items: center; justify-content: center;
            margin: 0 auto 16px; font-size: 1.6rem; transition: var(--transition);
        }
        .category-card:hover .cat-icon { background: var(--primary); color: var(--text-white); transform: scale(1.05); }
        .category-card h3 { font-size: 1.15rem; margin-bottom: 8px; }
        .category-card p { font-size: 0.9rem; color: var(--text-light); margin-bottom: 0; }
        .category-card .cat-count {
            display: inline-block; margin-top: 12px;
            font-size: 0.8rem; color: var(--text-light); background: var(--bg-body);
            padding: 2px 12px; border-radius: 50px;
        }

        /* ===== 攻略卡片列表 ===== */
        .guide-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 28px; }
        .guide-card {
            background: var(--bg-card); border-radius: var(--radius-md);
            overflow: hidden; border: 1px solid var(--border-color);
            transition: var(--transition); display: flex; flex-direction: column;
        }
        .guide-card:hover { transform: translateY(-6px); box-shadow: var(--shadow-md); border-color: var(--primary); }
        .guide-card-image {
            height: 200px; background: var(--bg-section-alt);
            display: flex; align-items: center; justify-content: center;
            font-size: 3rem; color: var(--primary-light); position: relative; overflow: hidden;
        }
        .guide-card-image .image-placeholder {
            font-size: 3.5rem; color: var(--primary); opacity: 0.15;
        }
        .guide-card-image .tag {
            position: absolute; top: 16px; left: 16px;
            background: var(--primary); color: var(--text-white);
            font-size: 0.75rem; font-weight: 600; padding: 4px 14px;
            border-radius: 50px; letter-spacing: 0.3px;
        }
        .guide-card-image .tag.hot { background: var(--accent); }
        .guide-card-image .tag.new { background: var(--secondary); color: var(--text-primary); }
        .guide-card-body { padding: 24px; flex: 1; display: flex; flex-direction: column; }
        .guide-card-body h3 { font-size: 1.1rem; margin-bottom: 8px; line-height: 1.4; }
        .guide-card-body h3 a { color: var(--text-primary); }
        .guide-card-body h3 a:hover { color: var(--primary); }
        .guide-card-body p { font-size: 0.9rem; color: var(--text-light); margin-bottom: 16px; flex: 1; }
        .guide-card-meta {
            display: flex; justify-content: space-between; align-items: center;
            padding-top: 16px; border-top: 1px solid var(--border-light);
            font-size: 0.85rem; color: var(--text-light);
        }
        .guide-card-meta .author { display: flex; align-items: center; gap: 8px; }
        .guide-card-meta .author i { font-size: 0.9rem; color: var(--primary); }
        .guide-card-meta .views i { margin-right: 4px; }

        /* ===== 数据统计 ===== */
        .stats-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 24px; }
        .stat-card {
            background: var(--bg-card); border-radius: var(--radius-md);
            padding: 36px 24px; text-align: center;
            border: 1px solid var(--border-color); transition: var(--transition);
        }
        .stat-card:hover { transform: translateY(-4px); box-shadow: var(--shadow-sm); }
        .stat-card .stat-icon { font-size: 2rem; color: var(--primary); margin-bottom: 12px; }
        .stat-card .stat-number { font-size: 2.8rem; font-weight: 800; color: var(--primary); line-height: 1.2; }
        .stat-card .stat-label { font-size: 0.95rem; color: var(--text-light); margin-top: 4px; }

        /* ===== 使用流程 ===== */
        .steps-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 32px; position: relative; }
        .steps-grid::before {
            content: ''; position: absolute; top: 48px; left: 15%; right: 15%;
            height: 2px; background: linear-gradient(to right, var(--primary), var(--secondary), var(--primary));
            opacity: 0.2; z-index: 0;
        }
        .step-card {
            background: var(--bg-card); border-radius: var(--radius-md);
            padding: 40px 28px; text-align: center;
            border: 1px solid var(--border-color); position: relative; z-index: 1;
            transition: var(--transition);
        }
        .step-card:hover { transform: translateY(-6px); box-shadow: var(--shadow-md); }
        .step-number {
            width: 56px; height: 56px; border-radius: 50%;
            background: var(--primary); color: var(--text-white);
            display: flex; align-items: center; justify-content: center;
            margin: 0 auto 20px; font-size: 1.5rem; font-weight: 700;
            box-shadow: 0 8px 24px rgba(26, 122, 122, 0.25);
        }
        .step-card h3 { font-size: 1.15rem; margin-bottom: 10px; }
        .step-card p { font-size: 0.9rem; color: var(--text-light); margin-bottom: 0; }

        /* ===== FAQ ===== */
        .faq-grid { max-width: 800px; margin: 0 auto; display: flex; flex-direction: column; gap: 12px; }
        .faq-item {
            background: var(--bg-card); border-radius: var(--radius-md);
            border: 1px solid var(--border-color); overflow: hidden;
            transition: var(--transition);
        }
        .faq-item:hover { border-color: var(--primary); }
        .faq-question {
            display: flex; justify-content: space-between; align-items: center;
            padding: 20px 24px; cursor: pointer; font-weight: 600;
            font-size: 1.05rem; color: var(--text-primary);
            background: none; border: none; width: 100%; text-align: left;
            font-family: var(--font-sans); transition: var(--transition);
        }
        .faq-question:hover { color: var(--primary); }
        .faq-question:focus-visible { outline: 3px solid var(--primary); outline-offset: -3px; }
        .faq-question i { color: var(--primary); font-size: 0.9rem; transition: var(--transition); }
        .faq-item.active .faq-question i { transform: rotate(180deg); }
        .faq-answer {
            max-height: 0; overflow: hidden; transition: var(--transition);
            padding: 0 24px; color: var(--text-secondary); font-size: 0.95rem;
            line-height: 1.7;
        }
        .faq-item.active .faq-answer { max-height: 300px; padding: 0 24px 20px; }

        /* ===== CTA ===== */
        .cta-box {
            background: linear-gradient(135deg, var(--primary) 0%, var(--primary-dark) 100%);
            border-radius: var(--radius-lg); padding: 64px 48px;
            text-align: center; position: relative; overflow: hidden;
            box-shadow: var(--shadow-lg);
        }
        .cta-box::before {
            content: ''; position: absolute; top: -50%; right: -20%;
            width: 400px; height: 400px; background: rgba(255,255,255,0.05); border-radius: 50%;
        }
        .cta-box h2 { color: var(--text-white); font-size: 2.2rem; margin-bottom: 12px; }
        .cta-box p { color: rgba(255,255,255,0.85); font-size: 1.1rem; max-width: 600px; margin: 0 auto 32px; }
        .cta-box .button-group { display: flex; gap: 16px; justify-content: center; flex-wrap: wrap; }
        .cta-box .button {
            padding: 14px 40px; border-radius: var(--radius-md); font-weight: 600;
            font-size: 1rem; transition: var(--transition); border: none; cursor: pointer;
        }
        .cta-box .button-primary {
            background: var(--text-white); color: var(--primary);
        }
        .cta-box .button-primary:hover { background: var(--secondary); color: var(--text-primary); transform: translateY(-2px); box-shadow: 0 12px 40px rgba(0,0,0,0.15); }
        .cta-box .button-outline {
            background: transparent; color: var(--text-white);
            border: 2px solid rgba(255,255,255,0.4);
        }
        .cta-box .button-outline:hover { background: rgba(255,255,255,0.1); border-color: var(--text-white); transform: translateY(-2px); }

        /* ===== Footer ===== */
        .site-footer {
            background: var(--bg-dark); color: rgba(255,255,255,0.8);
            padding: 64px 0 32px;
        }
        .site-footer .site-logo { color: var(--text-white); margin-bottom: 16px; }
        .site-footer .site-logo:hover { color: var(--secondary); }
        .site-footer p { color: rgba(255,255,255,0.6); font-size: 0.9rem; max-width: 360px; }
        .footer-grid { display: grid; grid-template-columns: 1.5fr 1fr 1fr 1.2fr; gap: 40px; margin-bottom: 40px; }
        .footer-col h4 { color: var(--text-white); font-size: 1rem; margin-bottom: 16px; }
        .footer-col ul li { margin-bottom: 10px; }
        .footer-col ul li a { color: rgba(255,255,255,0.6); font-size: 0.9rem; transition: var(--transition); }
        .footer-col ul li a:hover { color: var(--secondary); padding-left: 4px; }
        .footer-col ul li a i { margin-right: 8px; width: 16px; }
        .footer-bottom {
            border-top: 1px solid rgba(255,255,255,0.08);
            padding-top: 24px; display: flex; justify-content: space-between;
            flex-wrap: wrap; gap: 12px; font-size: 0.85rem; color: rgba(255,255,255,0.4);
        }
        .footer-bottom a { color: rgba(255,255,255,0.5); }
        .footer-bottom a:hover { color: var(--secondary); }

        /* ===== 响应式 ===== */
        @media (max-width: 1024px) {
            .hero-inner { flex-direction: column; gap: 40px; }
            .hero-content h1 { font-size: 2.6rem; }
            .hero-image-card { padding: 28px; }
            .category-grid { grid-template-columns: repeat(2, 1fr); }
            .guide-grid { grid-template-columns: repeat(2, 1fr); }
            .stats-grid { grid-template-columns: repeat(2, 1fr); }
            .steps-grid { grid-template-columns: repeat(2, 1fr); }
            .steps-grid::before { display: none; }
            .footer-grid { grid-template-columns: 1fr 1fr; gap: 32px; }
        }

        @media (max-width: 768px) {
            :root { --header-height: 68px; }
            h1 { font-size: 2.0rem; }
            h2 { font-size: 1.6rem; }
            .menu-toggle { display: block; }
            .nav-list {
                position: fixed; top: var(--header-height); left: 0; right: 0;
                background: rgba(255,255,255,0.98); backdrop-filter: blur(20px);
                flex-direction: column; padding: 16px 24px 24px;
                box-shadow: var(--shadow-md); transform: translateY(-120%);
                opacity: 0; transition: var(--transition); border-bottom: 1px solid var(--border-light);
                gap: 4px; z-index: 999;
            }
            .nav-list.open { transform: translateY(0); opacity: 1; }
            .nav-list li a { width: 100%; padding: 12px 16px; }
            .nav-list li a::after { display: none; }
            .nav-cta { margin-top: 8px; }
            .nav-cta a { text-align: center; width: 100%; }
            .hero-section { padding: 100px 0 48px; }
            .hero-content h1 { font-size: 2.0rem; }
            .hero-content p { font-size: 1rem; }
            .hero-image-card .stat-row { gap: 20px; }
            .hero-image-card .stat-number { font-size: 1.8rem; }
            .category-grid { grid-template-columns: repeat(2, 1fr); gap: 16px; }
            .guide-grid { grid-template-columns: 1fr; gap: 20px; }
            .stats-grid { grid-template-columns: repeat(2, 1fr); gap: 16px; }
            .section { padding: 48px 0; }
            .steps-grid { grid-template-columns: 1fr; gap: 20px; }
            .cta-box { padding: 40px 24px; }
            .cta-box h2 { font-size: 1.6rem; }
            .footer-grid { grid-template-columns: 1fr; gap: 24px; }
            .footer-bottom { flex-direction: column; text-align: center; }
            .stats-grid .stat-number { font-size: 2.0rem; }
        }

        @media (max-width: 520px) {
            .container { padding: 0 16px; }
            .category-grid { grid-template-columns: 1fr; }
            .stats-grid { grid-template-columns: 1fr; }
            .hero-content h1 { font-size: 1.7rem; }
            .hero-actions { flex-direction: column; }
            .hero-actions .button { width: 100%; text-align: center; }
            .section-header { margin-bottom: 32px; }
            .cta-box .button-group { flex-direction: column; }
            .cta-box .button { width: 100%; }
            .guide-card-image { height: 160px; }
            .stat-card { padding: 24px 16px; }
        }

        /* ===== 工具类 ===== */
        .text-center { text-align: center; }
        .mt-1 { margin-top: 8px; }
        .mt-2 { margin-top: 16px; }
        .mt-3 { margin-top: 24px; }
        .mt-4 { margin-top: 32px; }
        .mb-1 { margin-bottom: 8px; }
        .mb-2 { margin-bottom: 16px; }
        .mb-3 { margin-bottom: 24px; }
        .gap-1 { gap: 8px; }
        .gap-2 { gap: 16px; }
        .flex-center { display: flex; align-items: center; justify-content: center; }
        .button.primary { background: var(--primary); color: var(--text-white); padding: 14px 36px; border-radius: var(--radius-md); font-weight: 600; border: none; cursor: pointer; transition: var(--transition); }
        .button.primary:hover { background: var(--primary-dark); transform: translateY(-2px); box-shadow: var(--shadow-primary); }
        .button.outline { background: transparent; color: var(--primary); padding: 14px 36px; border-radius: var(--radius-md); font-weight: 600; border: 2px solid var(--primary); cursor: pointer; transition: var(--transition); }
        .button.outline:hover { background: var(--primary); color: var(--text-white); transform: translateY(-2px); }

/* roulang page: article */
/* ===== 设计变量 ===== */
        :root {
            --primary: #0d9488;
            --primary-dark: #0f766e;
            --primary-light: #14b8a6;
            --secondary: #f59e0b;
            --secondary-light: #fbbf24;
            --accent: #f97316;
            --dark: #0f172a;
            --text: #1e293b;
            --text-light: #64748b;
            --text-white: #f8fafc;
            --bg: #f8fafc;
            --bg-card: #ffffff;
            --bg-dark: #0f172a;
            --border: #e2e8f0;
            --border-light: #f1f5f9;
            --radius: 16px;
            --radius-sm: 10px;
            --radius-xs: 6px;
            --shadow: 0 4px 20px rgba(0, 0, 0, 0.06);
            --shadow-lg: 0 12px 40px rgba(0, 0, 0, 0.10);
            --shadow-hover: 0 20px 50px rgba(0, 0, 0, 0.12);
            --transition: 0.3s cubic-bezier(0.4, 0, 0.2, 1);
            --font-sans: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', Arial, sans-serif;
            --max-width: 1200px;
            --content-width: 780px;
        }

        /* ===== 基础 Reset ===== */
        *, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
        html { scroll-behavior: smooth; -webkit-font-smoothing: antialiased; }
        body {
            font-family: var(--font-sans);
            color: var(--text);
            background: var(--bg);
            line-height: 1.7;
            font-size: 16px;
        }
        img { max-width: 100%; height: auto; display: block; border-radius: var(--radius-sm); }
        a { color: var(--primary); text-decoration: none; transition: var(--transition); }
        a:hover { color: var(--primary-dark); }
        a:focus-visible { outline: 3px solid var(--primary-light); outline-offset: 2px; border-radius: 4px; }
        button, input, textarea { font-family: inherit; font-size: 1rem; }
        ul, ol { list-style: none; }
        h1, h2, h3, h4, h5, h6 { line-height: 1.3; font-weight: 700; color: var(--dark); }
        p { margin-bottom: 1.2rem; }
        .container { max-width: var(--max-width); margin: 0 auto; padding: 0 24px; }
        .content-container { max-width: var(--content-width); margin: 0 auto; padding: 0 24px; }

        /* ===== 导航 ===== */
        .site-header {
            background: rgba(255, 255, 255, 0.92);
            backdrop-filter: blur(16px);
            -webkit-backdrop-filter: blur(16px);
            border-bottom: 1px solid var(--border-light);
            position: sticky;
            top: 0;
            z-index: 100;
            padding: 0 24px;
            transition: var(--transition);
        }
        .site-header .container {
            display: flex;
            align-items: center;
            justify-content: space-between;
            height: 72px;
            max-width: var(--max-width);
            margin: 0 auto;
        }
        .site-logo {
            display: flex;
            align-items: center;
            gap: 10px;
            font-weight: 800;
            font-size: 1.5rem;
            color: var(--dark);
            text-decoration: none;
            transition: var(--transition);
        }
        .site-logo:hover { color: var(--primary); }
        .site-logo .logo-icon {
            width: 40px;
            height: 40px;
            background: linear-gradient(135deg, var(--primary), var(--primary-light));
            border-radius: 12px;
            display: flex;
            align-items: center;
            justify-content: center;
            color: #fff;
            font-size: 1.2rem;
            box-shadow: 0 4px 12px rgba(13, 148, 136, 0.30);
        }
        .site-logo .logo-text { color: var(--dark); }
        .nav-list {
            display: flex;
            align-items: center;
            gap: 6px;
            list-style: none;
            margin: 0;
        }
        .nav-list li a {
            display: block;
            padding: 8px 18px;
            border-radius: 10px;
            font-weight: 600;
            font-size: 0.95rem;
            color: var(--text);
            transition: var(--transition);
            text-decoration: none;
            position: relative;
        }
        .nav-list li a:hover {
            background: rgba(13, 148, 136, 0.08);
            color: var(--primary);
        }
        .nav-list li a.active {
            background: var(--primary);
            color: #fff;
            box-shadow: 0 4px 14px rgba(13, 148, 136, 0.30);
        }
        .nav-list li a.active:hover {
            background: var(--primary-dark);
            color: #fff;
        }
        .nav-list li.nav-cta a {
            background: linear-gradient(135deg, var(--secondary), var(--accent));
            color: #fff;
            padding: 10px 24px;
            border-radius: 30px;
            box-shadow: 0 4px 16px rgba(245, 158, 11, 0.35);
            font-weight: 700;
            display: flex;
            align-items: center;
            gap: 8px;
        }
        .nav-list li.nav-cta a:hover {
            transform: translateY(-2px);
            box-shadow: 0 8px 24px rgba(245, 158, 11, 0.45);
            background: linear-gradient(135deg, #f59e0b, #ea580c);
        }
        .nav-list li.nav-cta a i { font-size: 0.85rem; transition: var(--transition); }
        .nav-list li.nav-cta a:hover i { transform: translateX(4px); }

        /* 移动端菜单按钮 */
        .menu-toggle {
            display: none;
            background: none;
            border: none;
            font-size: 1.6rem;
            color: var(--dark);
            cursor: pointer;
            padding: 8px;
            border-radius: 8px;
            transition: var(--transition);
        }
        .menu-toggle:hover { background: rgba(0,0,0,0.04); }

        /* ===== 面包屑 ===== */
        .breadcrumb {
            padding: 20px 0 4px;
            font-size: 0.9rem;
            color: var(--text-light);
        }
        .breadcrumb a { color: var(--text-light); text-decoration: none; }
        .breadcrumb a:hover { color: var(--primary); }
        .breadcrumb .sep { margin: 0 8px; color: #cbd5e1; }
        .breadcrumb .current { color: var(--text); font-weight: 600; }

        /* ===== 文章头部 ===== */
        .article-header {
            padding: 32px 0 24px;
        }
        .article-header .category-badge {
            display: inline-block;
            background: rgba(13, 148, 136, 0.10);
            color: var(--primary-dark);
            font-weight: 700;
            font-size: 0.85rem;
            padding: 6px 16px;
            border-radius: 30px;
            margin-bottom: 16px;
            border: 1px solid rgba(13, 148, 136, 0.18);
            letter-spacing: 0.3px;
        }
        .article-header h1 {
            font-size: 2.6rem;
            font-weight: 800;
            line-height: 1.25;
            margin-bottom: 20px;
            color: var(--dark);
            letter-spacing: -0.5px;
        }
        .article-meta {
            display: flex;
            flex-wrap: wrap;
            gap: 20px 32px;
            align-items: center;
            color: var(--text-light);
            font-size: 0.95rem;
            padding-bottom: 24px;
            border-bottom: 1px solid var(--border);
        }
        .article-meta span { display: flex; align-items: center; gap: 6px; }
        .article-meta i { color: var(--primary-light); }
        .article-meta .author-avatar {
            width: 32px;
            height: 32px;
            border-radius: 50%;
            background: linear-gradient(135deg, var(--primary), var(--primary-light));
            color: #fff;
            display: flex;
            align-items: center;
            justify-content: center;
            font-weight: 700;
            font-size: 0.85rem;
        }

        /* ===== 文章正文 ===== */
        .article-body {
            padding: 32px 0 40px;
        }
        .article-body .content {
            font-size: 1.1rem;
            line-height: 1.9;
            color: var(--text);
        }
        .article-body .content p { margin-bottom: 1.6rem; }
        .article-body .content h2 {
            font-size: 1.8rem;
            margin: 2rem 0 1rem;
            color: var(--dark);
        }
        .article-body .content h3 {
            font-size: 1.4rem;
            margin: 1.6rem 0 0.8rem;
            color: var(--dark);
        }
        .article-body .content blockquote {
            border-left: 4px solid var(--primary);
            padding: 16px 24px;
            margin: 24px 0;
            background: rgba(13, 148, 136, 0.05);
            border-radius: 0 var(--radius-sm) var(--radius-sm) 0;
            font-style: italic;
            color: var(--text-light);
        }
        .article-body .content ul, .article-body .content ol {
            padding-left: 24px;
            margin-bottom: 1.6rem;
        }
        .article-body .content ul { list-style: disc; }
        .article-body .content ol { list-style: decimal; }
        .article-body .content li { margin-bottom: 0.4rem; }
        .article-body .content img {
            border-radius: var(--radius);
            margin: 24px 0;
            box-shadow: var(--shadow);
        }
        .article-body .content a { text-decoration: underline; text-underline-offset: 3px; }
        .article-body .content a:hover { color: var(--primary-dark); }

        /* ===== 文章标签与分享 ===== */
        .article-footer-meta {
            padding: 24px 0;
            border-top: 1px solid var(--border);
            display: flex;
            flex-wrap: wrap;
            justify-content: space-between;
            align-items: center;
            gap: 16px;
        }
        .article-tags {
            display: flex;
            flex-wrap: wrap;
            gap: 8px;
        }
        .article-tags .tag {
            display: inline-block;
            background: var(--border-light);
            color: var(--text-light);
            padding: 6px 16px;
            border-radius: 30px;
            font-size: 0.85rem;
            font-weight: 500;
            transition: var(--transition);
            text-decoration: none;
        }
        .article-tags .tag:hover {
            background: var(--primary);
            color: #fff;
        }
        .share-links {
            display: flex;
            gap: 10px;
            align-items: center;
        }
        .share-links span { font-size: 0.9rem; color: var(--text-light); font-weight: 500; }
        .share-links a {
            width: 40px;
            height: 40px;
            border-radius: 50%;
            background: var(--border-light);
            color: var(--text-light);
            display: flex;
            align-items: center;
            justify-content: center;
            transition: var(--transition);
            text-decoration: none;
            font-size: 1rem;
        }
        .share-links a:hover {
            background: var(--primary);
            color: #fff;
            transform: translateY(-2px);
        }

        /* ===== 相关文章 ===== */
        .related-section {
            padding: 56px 0 40px;
            background: var(--bg);
        }
        .related-section .section-title {
            font-size: 1.8rem;
            font-weight: 800;
            margin-bottom: 32px;
            color: var(--dark);
            position: relative;
            display: inline-block;
        }
        .related-section .section-title::after {
            content: '';
            position: absolute;
            bottom: -8px;
            left: 0;
            width: 60px;
            height: 4px;
            border-radius: 4px;
            background: linear-gradient(90deg, var(--primary), var(--primary-light));
        }
        .related-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 24px;
        }
        .related-card {
            background: var(--bg-card);
            border-radius: var(--radius);
            overflow: hidden;
            box-shadow: var(--shadow);
            transition: var(--transition);
            border: 1px solid var(--border-light);
            display: flex;
            flex-direction: column;
        }
        .related-card:hover {
            transform: translateY(-6px);
            box-shadow: var(--shadow-hover);
        }
        .related-card .card-img {
            height: 180px;
            background: linear-gradient(135deg, #e0f2fe, #ccfbf1);
            display: flex;
            align-items: center;
            justify-content: center;
            color: var(--primary);
            font-size: 2.4rem;
            position: relative;
            overflow: hidden;
        }
        .related-card .card-img .overlay {
            position: absolute;
            inset: 0;
            background: linear-gradient(180deg, transparent 60%, rgba(0,0,0,0.06));
        }
        .related-card .card-body {
            padding: 20px;
            flex: 1;
            display: flex;
            flex-direction: column;
        }
        .related-card .card-body .cat {
            font-size: 0.8rem;
            font-weight: 600;
            color: var(--primary);
            text-transform: uppercase;
            letter-spacing: 0.5px;
            margin-bottom: 6px;
        }
        .related-card .card-body h3 {
            font-size: 1.1rem;
            font-weight: 700;
            line-height: 1.4;
            margin-bottom: 8px;
            color: var(--dark);
            display: -webkit-box;
            -webkit-line-clamp: 2;
            -webkit-box-orient: vertical;
            overflow: hidden;
        }
        .related-card .card-body p {
            font-size: 0.9rem;
            color: var(--text-light);
            margin-bottom: 12px;
            display: -webkit-box;
            -webkit-line-clamp: 2;
            -webkit-box-orient: vertical;
            overflow: hidden;
            flex: 1;
        }
        .related-card .card-body .meta {
            font-size: 0.8rem;
            color: #94a3b8;
            display: flex;
            align-items: center;
            gap: 12px;
        }
        .related-card .card-body .meta i { margin-right: 4px; }

        /* ===== CTA 区域 ===== */
        .cta-section {
            padding: 64px 0;
            background: linear-gradient(135deg, var(--dark) 0%, #1e293b 100%);
            color: #fff;
            text-align: center;
            position: relative;
            overflow: hidden;
        }
        .cta-section::before {
            content: '';
            position: absolute;
            top: -50%;
            right: -30%;
            width: 600px;
            height: 600px;
            background: radial-gradient(circle, rgba(13,148,136,0.15), transparent 70%);
            border-radius: 50%;
            pointer-events: none;
        }
        .cta-section .container { position: relative; z-index: 1; }
        .cta-section h2 {
            font-size: 2.4rem;
            font-weight: 800;
            color: #fff;
            margin-bottom: 16px;
        }
        .cta-section p {
            font-size: 1.15rem;
            color: rgba(255,255,255,0.75);
            max-width: 640px;
            margin: 0 auto 32px;
        }
        .cta-section .cta-btn {
            display: inline-flex;
            align-items: center;
            gap: 10px;
            background: linear-gradient(135deg, var(--secondary), var(--accent));
            color: #fff;
            padding: 16px 40px;
            border-radius: 50px;
            font-weight: 700;
            font-size: 1.05rem;
            box-shadow: 0 8px 28px rgba(245, 158, 11, 0.40);
            transition: var(--transition);
            text-decoration: none;
        }
        .cta-section .cta-btn:hover {
            transform: translateY(-3px);
            box-shadow: 0 12px 36px rgba(245, 158, 11, 0.55);
            color: #fff;
        }
        .cta-section .cta-btn i { transition: var(--transition); }
        .cta-section .cta-btn:hover i { transform: translateX(4px); }

        /* ===== 内容未找到 ===== */
        .not-found-box {
            text-align: center;
            padding: 60px 24px;
            background: var(--bg-card);
            border-radius: var(--radius);
            box-shadow: var(--shadow);
            border: 1px solid var(--border-light);
        }
        .not-found-box .icon {
            font-size: 3.6rem;
            color: var(--text-light);
            margin-bottom: 16px;
        }
        .not-found-box h2 {
            font-size: 1.8rem;
            color: var(--dark);
            margin-bottom: 12px;
        }
        .not-found-box p {
            color: var(--text-light);
            font-size: 1.05rem;
            margin-bottom: 24px;
        }
        .not-found-box .back-home {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            background: var(--primary);
            color: #fff;
            padding: 12px 28px;
            border-radius: 30px;
            font-weight: 600;
            transition: var(--transition);
            text-decoration: none;
        }
        .not-found-box .back-home:hover {
            background: var(--primary-dark);
            color: #fff;
            transform: translateY(-2px);
        }

        /* ===== 页脚 ===== */
        .site-footer {
            background: var(--bg-dark);
            color: rgba(255,255,255,0.7);
            padding: 56px 0 24px;
        }
        .site-footer .container { max-width: var(--max-width); margin: 0 auto; padding: 0 24px; }
        .footer-grid {
            display: grid;
            grid-template-columns: 1.8fr 1fr 1fr 1.2fr;
            gap: 40px;
            margin-bottom: 40px;
        }
        .footer-brand .site-logo { color: #fff; margin-bottom: 16px; display: inline-flex; }
        .footer-brand .site-logo .logo-text { color: #fff; }
        .footer-brand p { font-size: 0.95rem; line-height: 1.7; color: rgba(255,255,255,0.6); max-width: 360px; }
        .footer-col h4 {
            color: #fff;
            font-size: 1.05rem;
            font-weight: 700;
            margin-bottom: 16px;
        }
        .footer-col ul { list-style: none; }
        .footer-col ul li { margin-bottom: 10px; }
        .footer-col ul li a {
            color: rgba(255,255,255,0.6);
            text-decoration: none;
            font-size: 0.95rem;
            transition: var(--transition);
            display: inline-flex;
            align-items: center;
            gap: 6px;
        }
        .footer-col ul li a:hover { color: var(--primary-light); padding-left: 4px; }
        .footer-col ul li a i { width: 18px; text-align: center; color: var(--primary-light); }
        .footer-bottom {
            border-top: 1px solid rgba(255,255,255,0.08);
            padding-top: 24px;
            display: flex;
            flex-wrap: wrap;
            justify-content: space-between;
            align-items: center;
            font-size: 0.9rem;
            color: rgba(255,255,255,0.4);
            gap: 12px;
        }
        .footer-bottom a { color: rgba(255,255,255,0.5); text-decoration: none; }
        .footer-bottom a:hover { color: var(--primary-light); }

        /* ===== 响应式 ===== */
        @media (max-width: 1024px) {
            .footer-grid { grid-template-columns: 1fr 1fr; gap: 32px; }
            .related-grid { grid-template-columns: repeat(2, 1fr); }
            .article-header h1 { font-size: 2.2rem; }
        }

        @media (max-width: 768px) {
            .site-header .container { height: 64px; }
            .menu-toggle { display: block; }
            .nav-list {
                display: none;
                position: absolute;
                top: 64px;
                left: 0;
                right: 0;
                background: rgba(255,255,255,0.98);
                backdrop-filter: blur(16px);
                -webkit-backdrop-filter: blur(16px);
                flex-direction: column;
                padding: 16px 24px 24px;
                gap: 4px;
                box-shadow: 0 20px 40px rgba(0,0,0,0.08);
                border-bottom: 1px solid var(--border-light);
            }
            .nav-list.open { display: flex; }
            .nav-list li a { padding: 12px 16px; width: 100%; border-radius: 10px; }
            .nav-list li.nav-cta a { width: 100%; justify-content: center; margin-top: 8px; }
            .article-header h1 { font-size: 1.8rem; }
            .article-body .content { font-size: 1rem; }
            .related-grid { grid-template-columns: 1fr; }
            .footer-grid { grid-template-columns: 1fr; gap: 24px; }
            .footer-bottom { flex-direction: column; text-align: center; }
            .cta-section h2 { font-size: 1.8rem; }
            .cta-section .cta-btn { padding: 14px 32px; font-size: 0.95rem; }
            .article-meta { gap: 12px 20px; font-size: 0.85rem; }
            .article-footer-meta { flex-direction: column; align-items: flex-start; }
            .breadcrumb { font-size: 0.8rem; }
        }

        @media (max-width: 520px) {
            .container { padding: 0 16px; }
            .content-container { padding: 0 16px; }
            .article-header h1 { font-size: 1.5rem; }
            .related-card .card-img { height: 140px; }
            .cta-section { padding: 48px 0; }
            .cta-section h2 { font-size: 1.5rem; }
            .site-footer { padding: 40px 0 20px; }
            .not-found-box { padding: 40px 16px; }
        }

        /* ===== 辅助工具 ===== */
        .text-center { text-align: center; }
        .mt-1 { margin-top: 8px; }
        .mt-2 { margin-top: 16px; }
        .mt-3 { margin-top: 24px; }
        .mb-2 { margin-bottom: 16px; }
        .mb-3 { margin-bottom: 24px; }
        .gap-2 { gap: 16px; }
        .flex-center { display: flex; align-items: center; justify-content: center; }

/* roulang page: category2 */
/* ===== :root 设计变量 ===== */
        :root {
            --primary: #E67E22;
            --primary-dark: #D35400;
            --primary-light: #FAD7A0;
            --primary-bg: #FFF8F0;
            --secondary: #2C3E50;
            --secondary-light: #34495E;
            --accent: #1ABC9C;
            --accent-dark: #16A085;
            --bg-light: #FDFDFD;
            --bg-gray: #F7F9FC;
            --bg-dark: #1A1A2E;
            --text-dark: #1A1A2E;
            --text-body: #3D3D5C;
            --text-muted: #8892A4;
            --text-white: #FFFFFF;
            --border-color: #E8ECF1;
            --border-light: #F0F2F5;
            --radius-sm: 8px;
            --radius-md: 14px;
            --radius-lg: 20px;
            --radius-xl: 28px;
            --shadow-sm: 0 2px 8px rgba(0,0,0,0.04), 0 1px 2px rgba(0,0,0,0.02);
            --shadow-md: 0 8px 24px rgba(0,0,0,0.06), 0 2px 6px rgba(0,0,0,0.03);
            --shadow-lg: 0 20px 48px rgba(0,0,0,0.08), 0 6px 16px rgba(0,0,0,0.04);
            --shadow-xl: 0 32px 64px rgba(0,0,0,0.10);
            --transition: 0.25s cubic-bezier(0.4, 0, 0.2, 1);
            --font-sans: 'Segoe UI', 'PingFang SC', 'Microsoft YaHei', 'Helvetica Neue', Arial, sans-serif;
            --max-width: 1200px;
            --header-h: 72px;
        }

        /* ===== Reset & Base ===== */
        *, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
        html { scroll-behavior: smooth; -webkit-text-size-adjust: 100%; }
        body {
            font-family: var(--font-sans);
            color: var(--text-body);
            background: var(--bg-light);
            line-height: 1.7;
            font-size: 16px;
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
        }
        img { max-width: 100%; height: auto; display: block; }
        a { color: var(--primary); text-decoration: none; transition: color var(--transition); }
        a:hover, a:focus { color: var(--primary-dark); }
        a:focus-visible { outline: 3px solid var(--primary); outline-offset: 2px; border-radius: 4px; }
        ul, ol { list-style: none; }
        button, input, select, textarea { font-family: inherit; font-size: inherit; }
        button { cursor: pointer; border: none; background: none; }
        .container { max-width: var(--max-width); margin: 0 auto; padding: 0 24px; }
        .section-title { font-size: 2rem; font-weight: 700; color: var(--text-dark); margin-bottom: 0.5rem; letter-spacing: -0.02em; }
        .section-subtitle { font-size: 1.1rem; color: var(--text-muted); margin-bottom: 2.5rem; max-width: 640px; }
        .text-center { text-align: center; }
        .text-center .section-subtitle { margin-left: auto; margin-right: auto; }

        /* ===== Foundation Overrides ===== */
        .grid-container { max-width: var(--max-width); padding-left: 24px; padding-right: 24px; }
        .grid-x { margin-left: -12px; margin-right: -12px; }
        .cell { padding: 12px; }
        .button { 
            border-radius: var(--radius-md); 
            padding: 12px 28px; 
            font-weight: 600; 
            font-size: 0.95rem; 
            transition: all var(--transition); 
            border: none;
            line-height: 1.4;
        }
        .button.primary { background: var(--primary); color: #fff; }
        .button.primary:hover, .button.primary:focus { background: var(--primary-dark); transform: translateY(-2px); box-shadow: 0 8px 20px rgba(230,126,34,0.3); }
        .button.secondary { background: var(--secondary); color: #fff; }
        .button.secondary:hover, .button.secondary:focus { background: #1A2A3A; transform: translateY(-2px); box-shadow: 0 8px 20px rgba(44,62,80,0.25); }
        .button.hollow { background: transparent; border: 2px solid var(--primary); color: var(--primary); }
        .button.hollow:hover, .button.hollow:focus { background: var(--primary); color: #fff; border-color: var(--primary); transform: translateY(-2px); }
        .button.small { padding: 8px 20px; font-size: 0.85rem; }
        .button.large { padding: 16px 36px; font-size: 1.1rem; }

        /* ===== Header & Nav ===== */
        .site-header {
            background: rgba(255,255,255,0.96);
            backdrop-filter: blur(14px);
            -webkit-backdrop-filter: blur(14px);
            border-bottom: 1px solid var(--border-light);
            position: sticky;
            top: 0;
            z-index: 1000;
            height: var(--header-h);
            display: flex;
            align-items: center;
            box-shadow: 0 1px 4px rgba(0,0,0,0.02);
        }
        .site-header .container {
            display: flex;
            align-items: center;
            justify-content: space-between;
            width: 100%;
        }
        .site-logo {
            display: flex;
            align-items: center;
            gap: 10px;
            font-size: 1.5rem;
            font-weight: 800;
            color: var(--text-dark);
            letter-spacing: -0.03em;
            flex-shrink: 0;
        }
        .site-logo .logo-icon {
            width: 38px;
            height: 38px;
            background: var(--primary);
            color: #fff;
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1.2rem;
            transition: transform var(--transition);
        }
        .site-logo:hover .logo-icon { transform: rotate(-8deg) scale(1.05); }
        .site-logo .logo-text { color: var(--text-dark); }
        .site-logo:hover .logo-text { color: var(--primary); }

        .nav-list {
            display: flex;
            align-items: center;
            gap: 6px;
            margin: 0;
        }
        .nav-list li { margin: 0; }
        .nav-list a {
            display: block;
            padding: 8px 18px;
            font-size: 0.9rem;
            font-weight: 500;
            color: var(--text-body);
            border-radius: var(--radius-sm);
            transition: all var(--transition);
            position: relative;
        }
        .nav-list a:hover { color: var(--primary); background: var(--primary-bg); }
        .nav-list a.active {
            color: var(--primary);
            background: var(--primary-bg);
            font-weight: 600;
        }
        .nav-list a.active::after {
            content: '';
            position: absolute;
            bottom: 2px;
            left: 50%;
            transform: translateX(-50%);
            width: 20px;
            height: 3px;
            background: var(--primary);
            border-radius: 4px;
        }
        .nav-list .nav-cta a {
            background: var(--primary);
            color: #fff;
            padding: 8px 22px;
            border-radius: var(--radius-md);
            font-weight: 600;
        }
        .nav-list .nav-cta a:hover { background: var(--primary-dark); color: #fff; transform: translateY(-1px); box-shadow: 0 6px 16px rgba(230,126,34,0.25); }

        /* Mobile toggle */
        .nav-toggle {
            display: none;
            font-size: 1.5rem;
            color: var(--text-dark);
            padding: 8px;
            background: none;
            border: none;
            cursor: pointer;
        }
        .nav-toggle:focus-visible { outline: 3px solid var(--primary); outline-offset: 2px; border-radius: 4px; }

        /* ===== Hero ===== */
        .category-hero {
            background: linear-gradient(135deg, #1A1A2E 0%, #2C3E50 50%, #1A1A2E 100%);
            padding: 80px 0 64px;
            position: relative;
            overflow: hidden;
        }
        .category-hero::before {
            content: '';
            position: absolute;
            top: -40%;
            right: -20%;
            width: 600px;
            height: 600px;
            background: radial-gradient(circle, rgba(230,126,34,0.12) 0%, transparent 70%);
            border-radius: 50%;
            pointer-events: none;
        }
        .category-hero::after {
            content: '';
            position: absolute;
            bottom: -30%;
            left: -10%;
            width: 400px;
            height: 400px;
            background: radial-gradient(circle, rgba(26,188,156,0.08) 0%, transparent 70%);
            border-radius: 50%;
            pointer-events: none;
        }
        .category-hero .container { position: relative; z-index: 2; }
        .category-hero h1 {
            font-size: 3rem;
            font-weight: 800;
            color: var(--text-white);
            margin-bottom: 0.75rem;
            letter-spacing: -0.03em;
        }
        .category-hero h1 i { color: var(--primary); margin-right: 8px; }
        .category-hero p {
            font-size: 1.15rem;
            color: rgba(255,255,255,0.75);
            max-width: 600px;
            line-height: 1.8;
        }
        .category-hero .hero-tags {
            display: flex;
            flex-wrap: wrap;
            gap: 10px;
            margin-top: 28px;
        }
        .category-hero .hero-tags span {
            background: rgba(255,255,255,0.10);
            border: 1px solid rgba(255,255,255,0.15);
            padding: 6px 18px;
            border-radius: 50px;
            font-size: 0.85rem;
            color: rgba(255,255,255,0.85);
            backdrop-filter: blur(4px);
        }

        /* ===== Section Spacing ===== */
        .section-pad { padding: 80px 0; }
        .section-pad-sm { padding: 56px 0; }

        /* ===== Category Tabs ===== */
        .category-tabs {
            background: var(--bg-gray);
            border-bottom: 1px solid var(--border-color);
            padding: 16px 0;
        }
        .category-tabs .tabs-list {
            display: flex;
            flex-wrap: wrap;
            gap: 8px;
            justify-content: center;
        }
        .category-tabs .tabs-list a {
            display: inline-block;
            padding: 8px 24px;
            border-radius: 50px;
            font-size: 0.9rem;
            font-weight: 500;
            color: var(--text-body);
            background: #fff;
            border: 1px solid var(--border-color);
            transition: all var(--transition);
        }
        .category-tabs .tabs-list a:hover { border-color: var(--primary); color: var(--primary); background: var(--primary-bg); }
        .category-tabs .tabs-list a.active { background: var(--primary); color: #fff; border-color: var(--primary); }

        /* ===== Event Cards ===== */
        .event-card {
            background: #fff;
            border-radius: var(--radius-md);
            overflow: hidden;
            box-shadow: var(--shadow-sm);
            transition: all var(--transition);
            height: 100%;
            display: flex;
            flex-direction: column;
            border: 1px solid var(--border-light);
        }
        .event-card:hover { transform: translateY(-6px); box-shadow: var(--shadow-lg); border-color: transparent; }
        .event-card .card-img {
            position: relative;
            height: 200px;
            background: var(--bg-gray);
            overflow: hidden;
            flex-shrink: 0;
        }
        .event-card .card-img .img-placeholder {
            width: 100%;
            height: 100%;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 3rem;
            color: var(--text-muted);
            background: linear-gradient(135deg, #F0F2F5 0%, #E8ECF1 100%);
        }
        .event-card .card-img .badge-date {
            position: absolute;
            top: 12px;
            left: 12px;
            background: var(--primary);
            color: #fff;
            padding: 4px 14px;
            border-radius: 50px;
            font-size: 0.8rem;
            font-weight: 600;
            box-shadow: 0 4px 12px rgba(230,126,34,0.3);
        }
        .event-card .card-img .badge-tag {
            position: absolute;
            top: 12px;
            right: 12px;
            background: rgba(0,0,0,0.5);
            backdrop-filter: blur(6px);
            color: #fff;
            padding: 4px 12px;
            border-radius: 50px;
            font-size: 0.75rem;
            font-weight: 500;
        }
        .event-card .card-body {
            padding: 20px 22px 22px;
            flex: 1;
            display: flex;
            flex-direction: column;
        }
        .event-card .card-body h3 {
            font-size: 1.2rem;
            font-weight: 700;
            color: var(--text-dark);
            margin-bottom: 8px;
            line-height: 1.4;
        }
        .event-card .card-body .meta {
            display: flex;
            flex-wrap: wrap;
            gap: 12px;
            font-size: 0.85rem;
            color: var(--text-muted);
            margin-bottom: 12px;
        }
        .event-card .card-body .meta i { width: 16px; margin-right: 4px; color: var(--primary); }
        .event-card .card-body p {
            font-size: 0.92rem;
            color: var(--text-body);
            line-height: 1.7;
            flex: 1;
            margin-bottom: 14px;
        }
        .event-card .card-body .card-footer-bar {
            display: flex;
            align-items: center;
            justify-content: space-between;
            padding-top: 12px;
            border-top: 1px solid var(--border-light);
        }
        .event-card .card-body .card-footer-bar .price {
            font-weight: 700;
            color: var(--primary);
            font-size: 1.05rem;
        }
        .event-card .card-body .card-footer-bar .price small {
            font-weight: 400;
            font-size: 0.8rem;
            color: var(--text-muted);
        }
        .event-card .card-body .card-footer-bar .btn-link {
            color: var(--primary);
            font-weight: 600;
            font-size: 0.9rem;
            display: inline-flex;
            align-items: center;
            gap: 6px;
            transition: gap var(--transition);
        }
        .event-card .card-body .card-footer-bar .btn-link:hover { gap: 10px; color: var(--primary-dark); }

        /* ===== Featured Event (Large) ===== */
        .featured-event {
            background: #fff;
            border-radius: var(--radius-lg);
            overflow: hidden;
            box-shadow: var(--shadow-md);
            display: flex;
            flex-wrap: wrap;
            border: 1px solid var(--border-light);
            transition: box-shadow var(--transition);
        }
        .featured-event:hover { box-shadow: var(--shadow-lg); }
        .featured-event .feat-img {
            flex: 1 1 45%;
            min-height: 320px;
            background: linear-gradient(135deg, #2C3E50 0%, #1A1A2E 100%);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 4rem;
            color: rgba(255,255,255,0.15);
            position: relative;
        }
        .featured-event .feat-img .play-badge {
            position: absolute;
            width: 72px;
            height: 72px;
            background: rgba(230,126,34,0.9);
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            color: #fff;
            font-size: 1.8rem;
            box-shadow: 0 12px 32px rgba(230,126,34,0.35);
            transition: transform var(--transition);
        }
        .featured-event .feat-img .play-badge:hover { transform: scale(1.08); }
        .featured-event .feat-body {
            flex: 1 1 55%;
            padding: 36px 40px;
            display: flex;
            flex-direction: column;
            justify-content: center;
        }
        .featured-event .feat-body .feat-label {
            display: inline-block;
            background: var(--primary-bg);
            color: var(--primary);
            padding: 4px 16px;
            border-radius: 50px;
            font-size: 0.8rem;
            font-weight: 600;
            margin-bottom: 12px;
            width: fit-content;
        }
        .featured-event .feat-body h2 {
            font-size: 1.8rem;
            font-weight: 800;
            color: var(--text-dark);
            margin-bottom: 12px;
            letter-spacing: -0.02em;
        }
        .featured-event .feat-body .meta-line {
            display: flex;
            flex-wrap: wrap;
            gap: 20px;
            font-size: 0.92rem;
            color: var(--text-muted);
            margin-bottom: 16px;
        }
        .featured-event .feat-body .meta-line i { color: var(--primary); width: 18px; margin-right: 4px; }
        .featured-event .feat-body p { font-size: 0.98rem; line-height: 1.8; margin-bottom: 20px; }

        /* ===== Timeline / Calendar ===== */
        .timeline-section { background: var(--bg-gray); }
        .timeline-grid {
            display: flex;
            flex-wrap: wrap;
            gap: 20px;
            justify-content: center;
        }
        .timeline-card {
            background: #fff;
            border-radius: var(--radius-md);
            padding: 24px 28px;
            flex: 1 1 180px;
            max-width: 220px;
            text-align: center;
            box-shadow: var(--shadow-sm);
            border: 1px solid var(--border-light);
            transition: all var(--transition);
        }
        .timeline-card:hover { transform: translateY(-4px); box-shadow: var(--shadow-md); border-color: var(--primary-light); }
        .timeline-card .day { font-size: 2.2rem; font-weight: 800; color: var(--primary); line-height: 1.2; }
        .timeline-card .month { font-size: 0.9rem; color: var(--text-muted); margin-bottom: 8px; }
        .timeline-card .event-name { font-weight: 600; color: var(--text-dark); font-size: 0.95rem; }
        .timeline-card .event-count { font-size: 0.8rem; color: var(--text-muted); margin-top: 4px; }

        /* ===== FAQ ===== */
        .faq-list { max-width: 780px; margin: 0 auto; }
        .faq-item {
            background: #fff;
            border: 1px solid var(--border-light);
            border-radius: var(--radius-md);
            padding: 0;
            margin-bottom: 12px;
            overflow: hidden;
            transition: box-shadow var(--transition);
        }
        .faq-item:hover { box-shadow: var(--shadow-sm); }
        .faq-item summary {
            padding: 18px 24px;
            font-weight: 600;
            font-size: 1rem;
            color: var(--text-dark);
            cursor: pointer;
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 16px;
            list-style: none;
            transition: background var(--transition);
        }
        .faq-item summary::-webkit-details-marker { display: none; }
        .faq-item summary::after {
            content: '\f107';
            font-family: 'Font Awesome 6 Free';
            font-weight: 900;
            font-size: 1.2rem;
            color: var(--primary);
            transition: transform var(--transition);
            flex-shrink: 0;
        }
        .faq-item[open] summary::after { transform: rotate(180deg); }
        .faq-item[open] summary { background: var(--primary-bg); border-bottom: 1px solid var(--border-light); }
        .faq-item .faq-answer {
            padding: 16px 24px 20px;
            font-size: 0.95rem;
            color: var(--text-body);
            line-height: 1.8;
        }

        /* ===== CTA ===== */
        .cta-section {
            background: linear-gradient(135deg, var(--primary) 0%, var(--primary-dark) 100%);
            padding: 72px 0;
            text-align: center;
            color: #fff;
        }
        .cta-section h2 { font-size: 2.2rem; font-weight: 800; margin-bottom: 12px; letter-spacing: -0.02em; }
        .cta-section p { font-size: 1.1rem; opacity: 0.9; margin-bottom: 28px; max-width: 560px; margin-left: auto; margin-right: auto; }
        .cta-section .button.hollow { border-color: #fff; color: #fff; }
        .cta-section .button.hollow:hover { background: #fff; color: var(--primary); border-color: #fff; }
        .cta-section .button.white { background: #fff; color: var(--primary); }
        .cta-section .button.white:hover { background: rgba(255,255,255,0.9); transform: translateY(-2px); box-shadow: 0 12px 28px rgba(0,0,0,0.15); }

        /* ===== Footer ===== */
        .site-footer {
            background: var(--bg-dark);
            color: rgba(255,255,255,0.7);
            padding: 60px 0 0;
            font-size: 0.92rem;
        }
        .site-footer .footer-grid {
            display: grid;
            grid-template-columns: 1.8fr 1fr 1fr 1.2fr;
            gap: 40px;
            margin-bottom: 40px;
        }
        .site-footer .site-logo { color: #fff; margin-bottom: 16px; }
        .site-footer .site-logo .logo-text { color: #fff; }
        .site-footer .site-logo:hover .logo-text { color: var(--primary); }
        .site-footer .footer-brand p { font-size: 0.9rem; line-height: 1.8; max-width: 320px; }
        .site-footer h4 { font-size: 1rem; font-weight: 700; color: #fff; margin-bottom: 18px; letter-spacing: 0.02em; }
        .site-footer ul li { margin-bottom: 10px; }
        .site-footer ul a { color: rgba(255,255,255,0.6); transition: color var(--transition); display: inline-flex; align-items: center; gap: 8px; }
        .site-footer ul a:hover { color: var(--primary); }
        .site-footer .footer-bottom {
            border-top: 1px solid rgba(255,255,255,0.08);
            padding: 20px 0;
            display: flex;
            justify-content: space-between;
            flex-wrap: wrap;
            gap: 12px;
            font-size: 0.85rem;
            color: rgba(255,255,255,0.4);
        }
        .site-footer .footer-bottom a { color: rgba(255,255,255,0.5); }
        .site-footer .footer-bottom a:hover { color: var(--primary); }

        /* ===== Responsive ===== */
        @media (max-width: 1024px) {
            .category-hero h1 { font-size: 2.4rem; }
            .featured-event .feat-body { padding: 28px 32px; }
            .featured-event .feat-body h2 { font-size: 1.5rem; }
            .site-footer .footer-grid { grid-template-columns: 1fr 1fr; gap: 32px; }
        }

        @media (max-width: 768px) {
            .site-header .container { padding: 0 16px; }
            .nav-toggle { display: block; }
            .nav-list {
                display: none;
                position: absolute;
                top: var(--header-h);
                left: 0;
                right: 0;
                background: rgba(255,255,255,0.98);
                backdrop-filter: blur(14px);
                flex-direction: column;
                padding: 16px 24px 24px;
                gap: 4px;
                box-shadow: 0 20px 40px rgba(0,0,0,0.08);
                border-bottom: 1px solid var(--border-light);
            }
            .nav-list.open { display: flex; }
            .nav-list a { padding: 12px 18px; width: 100%; border-radius: var(--radius-sm); }
            .nav-list a.active::after { display: none; }
            .nav-list a.active { background: var(--primary-bg); }
            .nav-list .nav-cta a { text-align: center; margin-top: 6px; }

            .category-hero { padding: 56px 0 48px; }
            .category-hero h1 { font-size: 1.8rem; }
            .category-hero p { font-size: 1rem; }

            .section-pad { padding: 48px 0; }
            .section-pad-sm { padding: 36px 0; }
            .section-title { font-size: 1.6rem; }

            .featured-event .feat-img { min-height: 220px; flex: 1 1 100%; }
            .featured-event .feat-body { flex: 1 1 100%; padding: 24px 24px 28px; }
            .featured-event .feat-body h2 { font-size: 1.3rem; }

            .timeline-card { flex: 1 1 140px; max-width: 160px; padding: 18px 16px; }
            .timeline-card .day { font-size: 1.8rem; }

            .site-footer .footer-grid { grid-template-columns: 1fr; gap: 28px; }
            .site-footer .footer-bottom { flex-direction: column; text-align: center; }

            .cta-section h2 { font-size: 1.6rem; }
            .cta-section p { font-size: 1rem; }
        }

        @media (max-width: 520px) {
            .category-hero h1 { font-size: 1.5rem; }
            .category-hero .hero-tags span { font-size: 0.78rem; padding: 4px 14px; }
            .event-card .card-img { height: 160px; }
            .event-card .card-body { padding: 16px 18px 20px; }
            .event-card .card-body h3 { font-size: 1.05rem; }
            .featured-event .feat-body { padding: 20px 18px 24px; }
            .featured-event .feat-body h2 { font-size: 1.15rem; }
            .faq-item summary { padding: 14px 18px; font-size: 0.92rem; }
            .faq-item .faq-answer { padding: 12px 18px 16px; font-size: 0.88rem; }
            .cta-section { padding: 48px 0; }
            .cta-section h2 { font-size: 1.3rem; }
            .timeline-card { flex: 1 1 120px; max-width: 140px; }
        }