/* roulang page: index */
:root {
            --color-brand: #d4952e;
            --color-brand-hover: #b87a22;
            --color-brand-light: #fef9f0;
            --color-dark: #1f2436;
            --color-dark-light: #2d3348;
            --color-text: #2d3348;
            --color-text-soft: #6b728a;
            --color-bg: #f8f9fb;
            --color-white: #ffffff;
            --color-border: #e5e7eb;
            --radius-sm: 8px;
            --radius-md: 12px;
            --radius-lg: 16px;
            --radius-xl: 20px;
            --shadow-sm: 0 1px 3px rgba(0,0,0,0.06), 0 1px 2px rgba(0,0,0,0.04);
            --shadow-md: 0 4px 16px rgba(0,0,0,0.08), 0 2px 4px rgba(0,0,0,0.04);
            --shadow-lg: 0 12px 32px rgba(0,0,0,0.10), 0 4px 8px rgba(0,0,0,0.05);
            --shadow-xl: 0 20px 48px rgba(0,0,0,0.12), 0 8px 16px rgba(0,0,0,0.06);
            --transition-fast: 0.18s cubic-bezier(0.4, 0, 0.2, 1);
            --transition-base: 0.28s cubic-bezier(0.4, 0, 0.2, 1);
        }

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

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

        body {
            font-family: "PingFang SC", "Microsoft YaHei", "Helvetica Neue", Arial, sans-serif;
            font-size: 16px;
            line-height: 1.65;
            color: var(--color-text);
            background-color: var(--color-bg);
            min-height: 100vh;
            padding-bottom: 80px;
        }

        @media (min-width: 1024px) {
            body {
                padding-bottom: 0;
            }
        }

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

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

        button, input, textarea, select {
            font-family: inherit;
            font-size: inherit;
        }

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

        /* 顶部导航 */
        .header-main {
            position: sticky;
            top: 0;
            z-index: 100;
            background: var(--color-white);
            border-bottom: 1px solid var(--color-border);
            box-shadow: var(--shadow-sm);
            display: none;
        }

        @media (min-width: 1024px) {
            .header-main {
                display: block;
            }
        }

        .header-inner {
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 24px;
            display: flex;
            align-items: center;
            justify-content: space-between;
            height: 64px;
        }

        .header-logo {
            font-size: 1.25rem;
            font-weight: 700;
            color: var(--color-dark);
            display: flex;
            align-items: center;
            gap: 10px;
            letter-spacing: -0.01em;
            white-space: nowrap;
        }

        .header-logo .logo-icon {
            width: 38px;
            height: 38px;
            border-radius: var(--radius-sm);
            background: linear-gradient(135deg, #d4952e 0%, #b87a22 100%);
            display: flex;
            align-items: center;
            justify-content: center;
            color: #fff;
            font-size: 1.1rem;
            flex-shrink: 0;
        }

        .nav-list {
            display: flex;
            align-items: center;
            gap: 6px;
            list-style: none;
        }

        .nav-list a {
            display: inline-flex;
            align-items: center;
            padding: 8px 18px;
            border-radius: 24px;
            font-size: 0.925rem;
            font-weight: 500;
            color: var(--color-text-soft);
            transition: all var(--transition-fast);
            white-space: nowrap;
        }

        .nav-list a:hover {
            color: var(--color-dark);
            background: #f3f4f6;
        }

        .nav-list a.nav-active {
            color: #fff;
            background: var(--color-brand);
            font-weight: 600;
            box-shadow: 0 2px 8px rgba(212,149,46,0.3);
        }

        .nav-list a.nav-active:hover {
            background: var(--color-brand-hover);
            color: #fff;
        }

        /* 移动端顶部 */
        .header-mobile {
            display: flex;
            position: sticky;
            top: 0;
            z-index: 100;
            background: var(--color-white);
            border-bottom: 1px solid var(--color-border);
            box-shadow: var(--shadow-sm);
            align-items: center;
            justify-content: center;
            height: 56px;
            padding: 0 16px;
        }

        @media (min-width: 1024px) {
            .header-mobile {
                display: none;
            }
        }

        .header-mobile .header-logo {
            font-size: 1.1rem;
        }

        .header-mobile .logo-icon {
            width: 32px;
            height: 32px;
            font-size: 0.9rem;
        }

        /* 底部 Tab 导航 */
        .bottom-tabs {
            display: flex;
            position: fixed;
            bottom: 0;
            left: 0;
            right: 0;
            z-index: 200;
            background: var(--color-white);
            border-top: 1px solid var(--color-border);
            box-shadow: 0 -4px 20px rgba(0,0,0,0.08);
            padding: 4px 0;
            padding-bottom: env(safe-area-inset-bottom, 4px);
            justify-content: space-around;
            align-items: center;
            height: 64px;
        }

        @media (min-width: 1024px) {
            .bottom-tabs {
                display: none;
            }
        }

        .bottom-tab {
            display: flex;
            flex-direction: column;
            align-items: center;
            justify-content: center;
            gap: 3px;
            padding: 4px 10px;
            border-radius: var(--radius-sm);
            color: var(--color-text-soft);
            font-size: 0.7rem;
            font-weight: 500;
            transition: all var(--transition-fast);
            min-width: 56px;
            text-align: center;
            -webkit-tap-highlight-color: transparent;
        }

        .bottom-tab i {
            font-size: 1.25rem;
            transition: all var(--transition-fast);
        }

        .bottom-tab.tab-active {
            color: var(--color-brand);
        }

        .bottom-tab.tab-active i {
            color: var(--color-brand);
            transform: translateY(-1px);
        }

        .bottom-tab:active {
            transform: scale(0.94);
            background: #f9fafb;
        }

        /* 容器 */
        .container {
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 20px;
        }

        @media (min-width: 768px) {
            .container {
                padding: 0 32px;
            }
        }

        @media (min-width: 1024px) {
            .container {
                padding: 0 40px;
            }
        }

        /* 板块间距 */
        .section {
            padding: 48px 0;
        }

        @media (min-width: 768px) {
            .section {
                padding: 64px 0;
            }
        }

        @media (min-width: 1024px) {
            .section {
                padding: 80px 0;
            }
        }

        .section-header {
            text-align: center;
            margin-bottom: 36px;
        }

        @media (min-width: 768px) {
            .section-header {
                margin-bottom: 48px;
            }
        }

        .section-header .section-tag {
            display: inline-block;
            font-size: 0.8rem;
            font-weight: 600;
            color: var(--color-brand);
            background: var(--color-brand-light);
            padding: 5px 14px;
            border-radius: 20px;
            letter-spacing: 0.03em;
            margin-bottom: 12px;
        }

        .section-header h2 {
            font-size: 1.6rem;
            font-weight: 700;
            color: var(--color-dark);
            letter-spacing: -0.01em;
        }

        @media (min-width: 768px) {
            .section-header h2 {
                font-size: 2rem;
            }
        }

        .section-header .section-subtitle {
            font-size: 0.95rem;
            color: var(--color-text-soft);
            margin-top: 8px;
            max-width: 560px;
            margin-left: auto;
            margin-right: auto;
        }

        /* Hero */
        .hero-section {
            position: relative;
            min-height: 420px;
            display: flex;
            align-items: center;
            justify-content: center;
            text-align: center;
            padding: 60px 20px;
            background: var(--color-dark);
            overflow: hidden;
        }

        @media (min-width: 768px) {
            .hero-section {
                min-height: 500px;
                padding: 80px 32px;
            }
        }

        @media (min-width: 1024px) {
            .hero-section {
                min-height: 560px;
                padding: 100px 40px;
            }
        }

        .hero-bg {
            position: absolute;
            inset: 0;
            background-image: url('/assets/images/backpic/back-1.png');
            background-size: cover;
            background-position: center;
            background-repeat: no-repeat;
            opacity: 0.35;
            z-index: 1;
        }

        .hero-overlay {
            position: absolute;
            inset: 0;
            background: linear-gradient(180deg, rgba(15,19,32,0.75) 0%, rgba(31,36,54,0.88) 100%);
            z-index: 2;
        }

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

        .hero-content h1 {
            font-size: 1.75rem;
            font-weight: 700;
            color: #ffffff;
            letter-spacing: -0.01em;
            line-height: 1.3;
            margin-bottom: 14px;
        }

        @media (min-width: 768px) {
            .hero-content h1 {
                font-size: 2.4rem;
            }
        }

        @media (min-width: 1024px) {
            .hero-content h1 {
                font-size: 2.8rem;
            }
        }

        .hero-content .hero-desc {
            font-size: 0.95rem;
            color: rgba(255,255,255,0.82);
            line-height: 1.7;
            margin-bottom: 28px;
            max-width: 520px;
            margin-left: auto;
            margin-right: auto;
        }

        @media (min-width: 768px) {
            .hero-content .hero-desc {
                font-size: 1.05rem;
            }
        }

        .hero-buttons {
            display: flex;
            flex-wrap: wrap;
            gap: 12px;
            justify-content: center;
        }

        .btn {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 8px;
            padding: 12px 28px;
            border-radius: 28px;
            font-size: 0.95rem;
            font-weight: 600;
            transition: all var(--transition-base);
            white-space: nowrap;
            letter-spacing: 0.01em;
        }

        .btn-brand {
            background: var(--color-brand);
            color: #fff;
            box-shadow: 0 4px 16px rgba(212,149,46,0.35);
        }

        .btn-brand:hover {
            background: var(--color-brand-hover);
            box-shadow: 0 6px 24px rgba(184,122,34,0.4);
            transform: translateY(-2px);
        }

        .btn-outline {
            background: transparent;
            color: #fff;
            border: 2px solid rgba(255,255,255,0.5);
        }

        .btn-outline:hover {
            border-color: #fff;
            background: rgba(255,255,255,0.08);
            transform: translateY(-2px);
        }

        .btn-sm {
            padding: 8px 18px;
            font-size: 0.85rem;
            border-radius: 22px;
        }

        .btn-lg {
            padding: 14px 36px;
            font-size: 1.05rem;
            border-radius: 32px;
        }

        /* 特色卡片 */
        .features-grid {
            display: grid;
            grid-template-columns: 1fr;
            gap: 20px;
        }

        @media (min-width: 640px) {
            .features-grid {
                grid-template-columns: repeat(2, 1fr);
            }
        }

        @media (min-width: 1024px) {
            .features-grid {
                grid-template-columns: repeat(4, 1fr);
            }
        }

        .feature-card {
            background: var(--color-white);
            border-radius: var(--radius-lg);
            padding: 28px 22px;
            border: 1px solid var(--color-border);
            transition: all var(--transition-base);
            text-align: center;
            box-shadow: var(--shadow-sm);
        }

        .feature-card:hover {
            box-shadow: var(--shadow-lg);
            transform: translateY(-4px);
            border-color: #d1d5db;
        }

        .feature-card .feature-icon {
            width: 56px;
            height: 56px;
            border-radius: var(--radius-md);
            background: var(--color-brand-light);
            display: flex;
            align-items: center;
            justify-content: center;
            margin: 0 auto 16px;
            font-size: 1.5rem;
            color: var(--color-brand);
        }

        .feature-card h3 {
            font-size: 1.05rem;
            font-weight: 700;
            color: var(--color-dark);
            margin-bottom: 6px;
        }

        .feature-card p {
            font-size: 0.875rem;
            color: var(--color-text-soft);
            line-height: 1.55;
        }

        /* 分类卡片 */
        .category-grid {
            display: grid;
            grid-template-columns: 1fr;
            gap: 20px;
        }

        @media (min-width: 640px) {
            .category-grid {
                grid-template-columns: repeat(2, 1fr);
            }
        }

        @media (min-width: 1024px) {
            .category-grid {
                grid-template-columns: repeat(3, 1fr);
            }
        }

        .category-card {
            position: relative;
            border-radius: var(--radius-lg);
            overflow: hidden;
            background: var(--color-white);
            border: 1px solid var(--color-border);
            transition: all var(--transition-base);
            box-shadow: var(--shadow-sm);
            cursor: pointer;
            display: block;
        }

        .category-card:hover {
            box-shadow: var(--shadow-xl);
            transform: translateY(-4px);
        }

        .category-card .cat-img-wrap {
            width: 100%;
            height: 180px;
            overflow: hidden;
            position: relative;
        }

        @media (min-width: 768px) {
            .category-card .cat-img-wrap {
                height: 210px;
            }
        }

        .category-card .cat-img-wrap img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform 0.5s ease;
        }

        .category-card:hover .cat-img-wrap img {
            transform: scale(1.06);
        }

        .category-card .cat-body {
            padding: 20px 18px;
        }

        .category-card .cat-body h3 {
            font-size: 1.1rem;
            font-weight: 700;
            color: var(--color-dark);
            margin-bottom: 5px;
        }

        .category-card .cat-body p {
            font-size: 0.85rem;
            color: var(--color-text-soft);
            line-height: 1.5;
        }

        .category-card .cat-badge {
            position: absolute;
            top: 14px;
            left: 14px;
            z-index: 2;
            background: var(--color-brand);
            color: #fff;
            font-size: 0.72rem;
            font-weight: 600;
            padding: 4px 12px;
            border-radius: 14px;
        }

        /* 最新信息列表 */
        .posts-list {
            display: flex;
            flex-direction: column;
            gap: 12px;
            max-width: 800px;
            margin: 0 auto;
        }

        .post-item {
            display: flex;
            align-items: flex-start;
            gap: 16px;
            padding: 18px 20px;
            background: var(--color-white);
            border-radius: var(--radius-md);
            border: 1px solid var(--color-border);
            transition: all var(--transition-fast);
            box-shadow: var(--shadow-sm);
        }

        .post-item:hover {
            box-shadow: var(--shadow-md);
            border-color: #d1d5db;
            transform: translateX(2px);
        }

        .post-item .post-index {
            width: 36px;
            height: 36px;
            border-radius: 50%;
            background: #f3f4f6;
            display: flex;
            align-items: center;
            justify-content: center;
            font-weight: 700;
            font-size: 0.85rem;
            color: var(--color-text-soft);
            flex-shrink: 0;
        }

        .post-item:nth-child(1) .post-index,
        .post-item:nth-child(2) .post-index,
        .post-item:nth-child(3) .post-index {
            background: var(--color-brand-light);
            color: var(--color-brand);
        }

        .post-item .post-info {
            flex: 1;
            min-width: 0;
        }

        .post-item .post-info h4 {
            font-size: 0.95rem;
            font-weight: 600;
            color: var(--color-dark);
            margin-bottom: 4px;
            line-height: 1.4;
            display: -webkit-box;
            -webkit-line-clamp: 2;
            -webkit-box-orient: vertical;
            overflow: hidden;
        }

        .post-item .post-info .post-meta {
            font-size: 0.78rem;
            color: var(--color-text-soft);
            display: flex;
            gap: 12px;
            flex-wrap: wrap;
        }

        .post-item .post-arrow {
            flex-shrink: 0;
            color: #c5c9d2;
            font-size: 1rem;
            align-self: center;
            transition: all var(--transition-fast);
        }

        .post-item:hover .post-arrow {
            color: var(--color-brand);
            transform: translateX(3px);
        }

        .posts-empty {
            text-align: center;
            color: var(--color-text-soft);
            padding: 40px 20px;
            font-size: 0.95rem;
        }

        /* 数据统计 */
        .stats-row {
            display: grid;
            grid-template-columns: repeat(2, 1fr);
            gap: 16px;
        }

        @media (min-width: 640px) {
            .stats-row {
                grid-template-columns: repeat(4, 1fr);
            }
        }

        .stat-card {
            text-align: center;
            padding: 28px 16px;
            background: var(--color-white);
            border-radius: var(--radius-lg);
            border: 1px solid var(--color-border);
            box-shadow: var(--shadow-sm);
            transition: all var(--transition-base);
        }

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

        .stat-card .stat-number {
            font-size: 2.2rem;
            font-weight: 800;
            color: var(--color-brand);
            letter-spacing: -0.02em;
            line-height: 1;
            margin-bottom: 6px;
        }

        @media (min-width: 768px) {
            .stat-card .stat-number {
                font-size: 2.8rem;
            }
        }

        .stat-card .stat-label {
            font-size: 0.85rem;
            color: var(--color-text-soft);
            font-weight: 500;
        }

        /* 攻略精选 */
        .guide-grid {
            display: grid;
            grid-template-columns: 1fr;
            gap: 20px;
        }

        @media (min-width: 640px) {
            .guide-grid {
                grid-template-columns: repeat(2, 1fr);
            }
        }

        @media (min-width: 1024px) {
            .guide-grid {
                grid-template-columns: repeat(3, 1fr);
            }
        }

        .guide-card {
            background: var(--color-white);
            border-radius: var(--radius-lg);
            overflow: hidden;
            border: 1px solid var(--color-border);
            box-shadow: var(--shadow-sm);
            transition: all var(--transition-base);
        }

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

        .guide-card .guide-img {
            width: 100%;
            height: 170px;
            object-fit: cover;
            transition: transform 0.5s ease;
        }

        @media (min-width: 768px) {
            .guide-card .guide-img {
                height: 200px;
            }
        }

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

        .guide-card .guide-body {
            padding: 18px 16px;
        }

        .guide-card .guide-body h4 {
            font-size: 1rem;
            font-weight: 700;
            color: var(--color-dark);
            margin-bottom: 5px;
            line-height: 1.4;
        }

        .guide-card .guide-body p {
            font-size: 0.83rem;
            color: var(--color-text-soft);
            line-height: 1.5;
        }

        .guide-card .guide-body .guide-tag {
            display: inline-block;
            font-size: 0.72rem;
            font-weight: 600;
            color: var(--color-brand);
            background: var(--color-brand-light);
            padding: 3px 10px;
            border-radius: 12px;
            margin-top: 10px;
        }

        /* 反馈卡片 */
        .testimonial-grid {
            display: grid;
            grid-template-columns: 1fr;
            gap: 20px;
        }

        @media (min-width: 640px) {
            .testimonial-grid {
                grid-template-columns: repeat(2, 1fr);
            }
        }

        @media (min-width: 1024px) {
            .testimonial-grid {
                grid-template-columns: repeat(3, 1fr);
            }
        }

        .testimonial-card {
            background: var(--color-white);
            border-radius: var(--radius-lg);
            padding: 24px 20px;
            border: 1px solid var(--color-border);
            box-shadow: var(--shadow-sm);
            transition: all var(--transition-base);
            position: relative;
        }

        .testimonial-card::before {
            content: '"';
            position: absolute;
            top: 14px;
            right: 20px;
            font-size: 3rem;
            color: #e5e7eb;
            line-height: 1;
            font-weight: 700;
            pointer-events: none;
        }

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

        .testimonial-card .testi-text {
            font-size: 0.9rem;
            color: var(--color-text);
            line-height: 1.6;
            margin-bottom: 14px;
            position: relative;
            z-index: 1;
        }

        .testimonial-card .testi-author {
            font-size: 0.8rem;
            color: var(--color-text-soft);
            font-weight: 600;
        }

        /* FAQ */
        .faq-list {
            max-width: 760px;
            margin: 0 auto;
            display: flex;
            flex-direction: column;
            gap: 12px;
        }

        .faq-item {
            background: var(--color-white);
            border-radius: var(--radius-md);
            border: 1px solid var(--color-border);
            padding: 20px 22px;
            transition: all var(--transition-fast);
            box-shadow: var(--shadow-sm);
            cursor: pointer;
        }

        .faq-item:hover {
            box-shadow: var(--shadow-md);
            border-color: #d1d5db;
        }

        .faq-item h4 {
            font-size: 0.95rem;
            font-weight: 700;
            color: var(--color-dark);
            margin-bottom: 6px;
            display: flex;
            align-items: center;
            gap: 10px;
        }

        .faq-item h4 .faq-q {
            color: var(--color-brand);
            flex-shrink: 0;
        }

        .faq-item p {
            font-size: 0.875rem;
            color: var(--color-text-soft);
            line-height: 1.55;
            padding-left: 26px;
        }

        /* CTA */
        .cta-section {
            background: var(--color-dark);
            border-radius: var(--radius-xl);
            padding: 48px 24px;
            text-align: center;
            position: relative;
            overflow: hidden;
        }

        @media (min-width: 768px) {
            .cta-section {
                padding: 60px 40px;
            }
        }

        .cta-section::before {
            content: '';
            position: absolute;
            inset: 0;
            background-image: url('/assets/images/backpic/back-2.png');
            background-size: cover;
            background-position: center;
            opacity: 0.15;
            z-index: 1;
        }

        .cta-section .cta-content {
            position: relative;
            z-index: 2;
        }

        .cta-section h2 {
            font-size: 1.5rem;
            font-weight: 700;
            color: #fff;
            margin-bottom: 10px;
        }

        @media (min-width: 768px) {
            .cta-section h2 {
                font-size: 2rem;
            }
        }

        .cta-section p {
            color: rgba(255,255,255,0.75);
            font-size: 0.95rem;
            margin-bottom: 24px;
            max-width: 480px;
            margin-left: auto;
            margin-right: auto;
        }

        /* 页脚 */
        .footer-main {
            background: var(--color-dark);
            color: rgba(255,255,255,0.7);
            padding: 40px 20px 100px;
            text-align: center;
        }

        @media (min-width: 1024px) {
            .footer-main {
                padding: 48px 20px 32px;
            }
        }

        .footer-main .footer-brand {
            font-size: 1.15rem;
            font-weight: 700;
            color: #fff;
            margin-bottom: 8px;
        }

        .footer-main .footer-desc {
            font-size: 0.85rem;
            max-width: 400px;
            margin: 0 auto 16px;
            line-height: 1.5;
        }

        .footer-main .footer-links {
            display: flex;
            flex-wrap: wrap;
            gap: 18px;
            justify-content: center;
            margin-bottom: 16px;
        }

        .footer-main .footer-links a {
            color: rgba(255,255,255,0.65);
            font-size: 0.85rem;
            transition: color var(--transition-fast);
        }

        .footer-main .footer-links a:hover {
            color: #fff;
        }

        .footer-main .footer-copy {
            font-size: 0.78rem;
            color: rgba(255,255,255,0.45);
        }

        /* 响应式微调 */
        @media (max-width: 639px) {
            .hero-content h1 {
                font-size: 1.5rem;
            }
            .btn {
                padding: 10px 20px;
                font-size: 0.88rem;
            }
            .section {
                padding: 36px 0;
            }
            .section-header h2 {
                font-size: 1.35rem;
            }
            .category-card .cat-img-wrap {
                height: 150px;
            }
            .guide-card .guide-img {
                height: 150px;
            }
        }

        @media (min-width: 640px) and (max-width: 1023px) {
            .hero-content h1 {
                font-size: 2rem;
            }
        }

/* roulang page: article */
:root {
            --color-primary: #ee5a30;
            --color-primary-hover: #dc4220;
            --color-accent: #d57c34;
            --color-dark: #1f1f1f;
            --color-soft: #fafaf8;
            --color-warm: #fdf6f0;
            --color-muted: #6d6d6d;
            --radius-lg: 0.875rem;
            --radius-xl: 1rem;
            --radius-2xl: 1.25rem;
            --shadow-card: 0 2px 16px rgba(0, 0, 0, 0.06);
            --shadow-elevated: 0 6px 28px rgba(0, 0, 0, 0.10);
            --transition-smooth: 0.25s cubic-bezier(0.4, 0, 0.2, 1);
        }

        *, *::before, *::after { box-sizing: border-box; }
        html { scroll-behavior: smooth; -webkit-font-smoothing: antialiased; }
        body {
            font-family: "Noto Sans SC", "PingFang SC", "Microsoft YaHei", system-ui, sans-serif;
            line-height: 1.7;
            color: #1f1f1f;
            background-color: #fafaf8;
            margin: 0;
            padding: 0;
            min-height: 100vh;
        }
        img { max-width: 100%; height: auto; display: block; }
        a { text-decoration: none; color: inherit; transition: color var(--transition-smooth); }
        button { cursor: pointer; font-family: inherit; }

        .header-main {
            position: sticky; top: 0; z-index: 100;
            background: rgba(255, 255, 255, 0.92);
            backdrop-filter: blur(16px);
            -webkit-backdrop-filter: blur(16px);
            border-bottom: 1px solid rgba(0,0,0,0.06);
            padding: 0 1.5rem;
        }
        .header-inner {
            max-width: 1200px; margin: 0 auto;
            display: flex; align-items: center; justify-content: space-between;
            height: 64px;
        }
        .header-logo {
            display: flex; align-items: center; gap: 0.5rem;
            font-size: 1.25rem; font-weight: 700; color: #1f1f1f;
            letter-spacing: -0.01em;
            white-space: nowrap;
        }
        .header-logo .logo-icon {
            display: flex; align-items: center; justify-content: center;
            width: 38px; height: 38px; border-radius: 0.75rem;
            background: linear-gradient(135deg, #ee5a30 0%, #d57c34 100%);
            color: #fff; font-size: 1.1rem;
        }
        .nav-list { display: flex; list-style: none; margin: 0; padding: 0; gap: 0.25rem; }
        .nav-list a {
            display: inline-flex; align-items: center;
            padding: 0.5rem 1rem; border-radius: 0.5rem;
            font-size: 0.938rem; font-weight: 500; color: #4a4a4a;
            transition: all var(--transition-smooth);
            white-space: nowrap;
        }
        .nav-list a:hover { color: #ee5a30; background: #fef3f0; }
        .nav-list a.nav-active { color: #ee5a30; background: #fef3f0; font-weight: 600; }

        .breadcrumb-wrap {
            max-width: 1200px; margin: 0 auto; padding: 1rem 1.5rem 0;
        }
        .breadcrumb {
            display: flex; flex-wrap: wrap; align-items: center; gap: 0.35rem;
            font-size: 0.875rem; color: #888;
        }
        .breadcrumb a { color: #6d6d6d; }
        .breadcrumb a:hover { color: #ee5a30; }
        .breadcrumb .sep { color: #ccc; font-size: 0.7rem; }
        .breadcrumb .current { color: #1f1f1f; font-weight: 500; }

        .article-hero {
            max-width: 1200px; margin: 0 auto; padding: 2rem 1.5rem 1rem;
        }
        .article-hero-inner {
            position: relative; border-radius: var(--radius-2xl); overflow: hidden;
            background: linear-gradient(160deg, #1f1f1f 0%, #3d1a0f 50%, #1f1f1f 100%);
            padding: 3rem 2.5rem;
            color: #fff;
            min-height: 200px;
            display: flex; flex-direction: column; justify-content: center;
        }
        .article-hero-inner::before {
            content: ''; position: absolute; inset: 0;
            background: url('/assets/images/backpic/back-1.png') center/cover no-repeat;
            opacity: 0.12;
        }
        .article-hero-content { position: relative; z-index: 1; }
        .article-cat-badge {
            display: inline-flex; align-items: center; gap: 0.35rem;
            padding: 0.35rem 0.85rem; border-radius: 999px;
            font-size: 0.8rem; font-weight: 600;
            background: rgba(255,255,255,0.18);
            color: #fff; backdrop-filter: blur(6px);
            margin-bottom: 1rem;
            border: 1px solid rgba(255,255,255,0.2);
        }
        .article-cat-badge:hover { background: rgba(255,255,255,0.28); }
        .article-hero h1 {
            font-size: 2rem; font-weight: 700; line-height: 1.35;
            margin: 0 0 1rem; letter-spacing: -0.01em;
        }
        .article-meta-row {
            display: flex; flex-wrap: wrap; align-items: center; gap: 1rem;
            font-size: 0.875rem; color: rgba(255,255,255,0.75);
        }
        .article-meta-row .meta-item {
            display: flex; align-items: center; gap: 0.35rem;
        }

        .article-main-wrap {
            max-width: 1200px; margin: 0 auto; padding: 0 1.5rem 3rem;
        }
        .article-body-card {
            background: #fff; border-radius: var(--radius-2xl);
            box-shadow: var(--shadow-card); padding: 2.5rem;
            margin-top: -1.5rem; position: relative; z-index: 2;
        }
        .article-featured-img {
            border-radius: var(--radius-xl); overflow: hidden; margin-bottom: 2rem;
        }
        .article-featured-img img { width: 100%; object-fit: cover; border-radius: var(--radius-xl); }

        .article-content { color: #3d3d3d; line-height: 1.85; font-size: 1.063rem; }
        .article-content h2 { font-size: 1.5rem; font-weight: 700; color: #1f1f1f; margin: 2.25rem 0 1rem; padding-bottom: 0.5rem; border-bottom: 2px solid #fde6df; }
        .article-content h3 { font-size: 1.25rem; font-weight: 600; color: #1f1f1f; margin: 1.75rem 0 0.75rem; }
        .article-content h4 { font-size: 1.1rem; font-weight: 600; color: #3d3d3d; margin: 1.5rem 0 0.5rem; }
        .article-content p { margin: 0 0 1.25rem; }
        .article-content ul, .article-content ol { margin: 0 0 1.25rem; padding-left: 1.5rem; }
        .article-content li { margin-bottom: 0.5rem; }
        .article-content blockquote {
            border-left: 4px solid #ee5a30; background: #fef3f0;
            margin: 1.5rem 0; padding: 1rem 1.5rem; border-radius: 0 0.75rem 0.75rem 0;
            color: #7a2a1c; font-style: italic;
        }
        .article-content img { border-radius: var(--radius-lg); margin: 1.5rem 0; }
        .article-content a { color: #ee5a30; text-decoration: underline; text-underline-offset: 2px; }
        .article-content a:hover { color: #dc4220; }
        .article-content table { width: 100%; border-collapse: collapse; margin: 1.5rem 0; font-size: 0.938rem; }
        .article-content th, .article-content td { border: 1px solid #e7e7e7; padding: 0.75rem 1rem; text-align: left; }
        .article-content th { background: #fafaf8; font-weight: 600; color: #1f1f1f; }
        .article-content code { background: #f6f6f6; padding: 0.15rem 0.4rem; border-radius: 0.35rem; font-size: 0.9em; }
        .article-content pre { background: #1f1f1f; color: #e7e7e7; padding: 1.25rem; border-radius: var(--radius-lg); overflow-x: auto; margin: 1.5rem 0; }

        .article-cta-section {
            max-width: 1200px; margin: 0 auto; padding: 0 1.5rem 3rem;
        }
        .article-cta-card {
            background: linear-gradient(135deg, #ee5a30 0%, #c56529 100%);
            border-radius: var(--radius-2xl); padding: 2.5rem;
            color: #fff; text-align: center;
            box-shadow: var(--shadow-elevated);
        }
        .article-cta-card h3 { font-size: 1.5rem; font-weight: 700; margin: 0 0 0.75rem; }
        .article-cta-card p { margin: 0 0 1.5rem; opacity: 0.9; font-size: 1.063rem; }
        .btn-cta-white {
            display: inline-flex; align-items: center; gap: 0.5rem;
            padding: 0.75rem 2rem; border-radius: 999px;
            font-size: 1rem; font-weight: 600; background: #fff; color: #ee5a30;
            transition: all var(--transition-smooth); border: none;
            box-shadow: 0 4px 14px rgba(0,0,0,0.15);
        }
        .btn-cta-white:hover { transform: translateY(-2px); box-shadow: 0 8px 24px rgba(0,0,0,0.22); color: #dc4220; }

        .not-found-wrap {
            max-width: 1200px; margin: 0 auto; padding: 3rem 1.5rem;
            text-align: center;
        }
        .not-found-card {
            background: #fff; border-radius: var(--radius-2xl); padding: 3.5rem 2rem;
            box-shadow: var(--shadow-card); max-width: 560px; margin: 0 auto;
        }
        .not-found-card .nf-icon {
            font-size: 3.5rem; color: #f7a38a; margin-bottom: 1.25rem;
        }
        .not-found-card h2 { font-size: 1.5rem; font-weight: 700; color: #1f1f1f; margin: 0 0 0.75rem; }
        .not-found-card p { color: #6d6d6d; margin: 0 0 1.75rem; }
        .btn-back-home {
            display: inline-flex; align-items: center; gap: 0.5rem;
            padding: 0.75rem 1.75rem; border-radius: 999px;
            font-size: 0.938rem; font-weight: 600; background: #ee5a30; color: #fff;
            transition: all var(--transition-smooth); border: none;
        }
        .btn-back-home:hover { background: #dc4220; transform: translateY(-1px); box-shadow: 0 6px 18px rgba(238,90,48,0.35); }

        .footer-main {
            background: #1f1f1f; color: #b0b0b0; padding: 2.5rem 1.5rem 7rem;
            text-align: center; border-top: 1px solid rgba(255,255,255,0.06);
        }
        .footer-main .container { max-width: 1200px; margin: 0 auto; }
        .footer-brand { font-size: 1.25rem; font-weight: 700; color: #fff; margin-bottom: 0.5rem; }
        .footer-desc { font-size: 0.875rem; margin: 0 auto 1.25rem; max-width: 500px; line-height: 1.6; }
        .footer-links { display: flex; flex-wrap: wrap; justify-content: center; gap: 0.25rem 1.5rem; margin-bottom: 1.25rem; }
        .footer-links a { font-size: 0.875rem; color: #b0b0b0; }
        .footer-links a:hover { color: #ee5a30; }
        .footer-copy { font-size: 0.8rem; color: #888; margin: 0; }

        .mobile-bottom-nav {
            display: none;
            position: fixed; bottom: 0; left: 0; right: 0; z-index: 200;
            background: rgba(255,255,255,0.96);
            backdrop-filter: blur(16px);
            -webkit-backdrop-filter: blur(16px);
            border-top: 1px solid rgba(0,0,0,0.07);
            padding: 0.4rem 0.5rem calc(0.4rem + env(safe-area-inset-bottom));
        }
        .mobile-bottom-nav .mb-nav-list {
            display: flex; justify-content: space-around; align-items: center;
            list-style: none; margin: 0; padding: 0;
        }
        .mobile-bottom-nav .mb-nav-list a {
            display: flex; flex-direction: column; align-items: center; gap: 0.2rem;
            font-size: 0.7rem; font-weight: 500; color: #888;
            padding: 0.3rem 0.6rem; border-radius: 0.5rem;
            transition: all var(--transition-smooth);
        }
        .mobile-bottom-nav .mb-nav-list a i { font-size: 1.2rem; }
        .mobile-bottom-nav .mb-nav-list a.mb-active { color: #ee5a30; }
        .mobile-bottom-nav .mb-nav-list a:hover { color: #ee5a30; }

        @media (max-width: 1023px) {
            .mobile-bottom-nav { display: block; }
            .header-inner { height: 56px; }
            .header-logo { font-size: 1.1rem; }
            .header-logo .logo-icon { width: 32px; height: 32px; font-size: 0.9rem; border-radius: 0.6rem; }
            .nav-list a { font-size: 0.8rem; padding: 0.4rem 0.6rem; }
            .article-hero-inner { padding: 2rem 1.25rem; }
            .article-hero h1 { font-size: 1.5rem; }
            .article-body-card { padding: 1.5rem; border-radius: var(--radius-xl); }
            .article-content { font-size: 1rem; }
            .article-content h2 { font-size: 1.3rem; }
            .article-content h3 { font-size: 1.15rem; }
            .article-cta-card { padding: 2rem 1.25rem; }
            .article-cta-card h3 { font-size: 1.25rem; }
        }
        @media (max-width: 640px) {
            .header-inner { padding: 0 0.25rem; }
            .nav-list { gap: 0; }
            .nav-list a { font-size: 0.75rem; padding: 0.35rem 0.5rem; }
            .header-logo { font-size: 1rem; gap: 0.35rem; }
            .header-logo .logo-icon { width: 28px; height: 28px; font-size: 0.8rem; border-radius: 0.5rem; }
            .article-hero { padding: 1.5rem 1rem 0.75rem; }
            .article-hero-inner { padding: 1.5rem 1rem; border-radius: var(--radius-xl); }
            .article-hero h1 { font-size: 1.3rem; }
            .article-meta-row { font-size: 0.8rem; gap: 0.6rem; }
            .article-main-wrap { padding: 0 0.75rem 2rem; }
            .article-body-card { padding: 1.25rem; margin-top: -0.75rem; border-radius: var(--radius-lg); }
            .article-content { font-size: 0.938rem; }
            .breadcrumb-wrap { padding: 0.75rem 1rem 0; }
            .breadcrumb { font-size: 0.8rem; }
            .article-cta-section { padding: 0 0.75rem 2rem; }
            .footer-main { padding: 2rem 1rem 8rem; }
            .mobile-bottom-nav .mb-nav-list a { font-size: 0.65rem; padding: 0.25rem 0.4rem; }
            .mobile-bottom-nav .mb-nav-list a i { font-size: 1.05rem; }
        }
        @media (min-width: 1024px) {
            .mobile-bottom-nav { display: none !important; }
        }

/* roulang page: category1 */
:root {
            --brand-500: #f85a41;
            --brand-600: #e63d22;
            --brand-700: #c12e18;
            --accent-500: #f98b07;
            --accent-400: #ffa81e;
            --surface-50: #fafafa;
            --surface-100: #f5f5f5;
            --surface-200: #e8e8e8;
            --surface-700: #525252;
            --surface-800: #3d3d3d;
            --surface-900: #292929;
            --surface-950: #141414;
            --radius-sm: 8px;
            --radius-md: 12px;
            --radius-lg: 18px;
            --radius-xl: 24px;
            --radius-2xl: 32px;
            --shadow-sm: 0 1px 3px rgba(0, 0, 0, 0.06), 0 1px 2px rgba(0, 0, 0, 0.04);
            --shadow-md: 0 4px 16px rgba(0, 0, 0, 0.08), 0 2px 6px rgba(0, 0, 0, 0.04);
            --shadow-lg: 0 12px 32px rgba(0, 0, 0, 0.1), 0 4px 12px rgba(0, 0, 0, 0.05);
            --shadow-xl: 0 20px 48px rgba(0, 0, 0, 0.14), 0 8px 20px rgba(0, 0, 0, 0.06);
            --transition-fast: 180ms cubic-bezier(0.4, 0, 0.2, 1);
            --transition-base: 260ms cubic-bezier(0.4, 0, 0.2, 1);
            --transition-slow: 380ms cubic-bezier(0.4, 0, 0.2, 1);
        }

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

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

        body {
            margin: 0;
            padding: 0;
            font-family: "Inter", "PingFang SC", "Microsoft YaHei", "Helvetica Neue", Arial, sans-serif;
            font-size: 16px;
            line-height: 1.7;
            color: var(--surface-800);
            background-color: #fefefe;
            min-height: 100vh;
            overflow-x: hidden;
        }

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

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

        button {
            cursor: pointer;
            font-family: inherit;
        }

        input,
        textarea {
            font-family: inherit;
        }

        .container-custom {
            max-width: 1200px;
            margin-left: auto;
            margin-right: auto;
            padding-left: 20px;
            padding-right: 20px;
        }

        @media (min-width: 1280px) {
            .container-custom {
                padding-left: 32px;
                padding-right: 32px;
            }
        }

        /* ========== Header ========== */
        .header-main {
            position: sticky;
            top: 0;
            z-index: 100;
            background: rgba(255, 255, 255, 0.92);
            backdrop-filter: blur(18px);
            -webkit-backdrop-filter: blur(18px);
            border-bottom: 1px solid rgba(0, 0, 0, 0.06);
            box-shadow: 0 1px 8px rgba(0, 0, 0, 0.04);
            transition: all var(--transition-base);
        }

        .header-inner {
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 20px;
            display: flex;
            align-items: center;
            justify-content: space-between;
            height: 64px;
        }

        @media (min-width: 1280px) {
            .header-inner {
                padding: 0 32px;
                height: 68px;
            }
        }

        .header-logo {
            display: flex;
            align-items: center;
            gap: 10px;
            font-size: 1.25rem;
            font-weight: 700;
            color: var(--surface-950);
            letter-spacing: -0.01em;
            white-space: nowrap;
            transition: opacity var(--transition-fast);
        }

        .header-logo:hover {
            opacity: 0.82;
        }

        .logo-icon {
            display: flex;
            align-items: center;
            justify-content: center;
            width: 38px;
            height: 38px;
            background: linear-gradient(135deg, var(--brand-500), var(--brand-700));
            color: #fff;
            border-radius: var(--radius-md);
            font-size: 1.1rem;
            box-shadow: 0 2px 10px rgba(248, 90, 65, 0.3);
        }

        .nav-list {
            display: flex;
            align-items: center;
            list-style: none;
            margin: 0;
            padding: 0;
            gap: 4px;
        }

        .nav-list li a {
            display: inline-flex;
            align-items: center;
            padding: 8px 16px;
            border-radius: 999px;
            font-size: 0.925rem;
            font-weight: 500;
            color: var(--surface-700);
            transition: all var(--transition-fast);
            white-space: nowrap;
            position: relative;
        }

        .nav-list li a:hover {
            color: var(--surface-950);
        }

        .nav-list li a.nav-active {
            color: #fff;
            background: var(--brand-500);
            font-weight: 600;
            box-shadow: 0 2px 12px rgba(248, 90, 65, 0.35);
        }

        .nav-list li a.nav-active:hover {
            color: #fff;
            background: var(--brand-600);
        }

        /* 移动端顶部导航隐藏桌面导航项中的文字（保留logo），改用底部Tab */
        @media (max-width: 767px) {
            .header-inner {
                height: 56px;
                justify-content: center;
            }

            .nav-list {
                display: none;
            }

            .header-logo {
                font-size: 1.1rem;
            }

            .logo-icon {
                width: 32px;
                height: 32px;
                font-size: 0.95rem;
                border-radius: 8px;
            }

            body {
                padding-bottom: 72px;
            }
        }

        /* ========== 底部Tab导航（移动端） ========== */
        .bottom-tab-nav {
            display: none;
            position: fixed;
            bottom: 0;
            left: 0;
            right: 0;
            z-index: 200;
            background: rgba(255, 255, 255, 0.94);
            backdrop-filter: blur(20px);
            -webkit-backdrop-filter: blur(20px);
            border-top: 1px solid rgba(0, 0, 0, 0.07);
            box-shadow: 0 -2px 16px rgba(0, 0, 0, 0.06);
            padding: 6px 8px;
            padding-bottom: max(6px, env(safe-area-inset-bottom));
        }

        @media (max-width: 767px) {
            .bottom-tab-nav {
                display: flex;
                align-items: center;
                justify-content: space-around;
            }
        }

        .bottom-tab-item {
            display: flex;
            flex-direction: column;
            align-items: center;
            justify-content: center;
            gap: 3px;
            padding: 6px 10px;
            border-radius: 10px;
            font-size: 0.7rem;
            font-weight: 500;
            color: var(--surface-500);
            transition: all var(--transition-fast);
            min-width: 56px;
            text-align: center;
            cursor: pointer;
            text-decoration: none;
            -webkit-tap-highlight-color: transparent;
            user-select: none;
        }

        .bottom-tab-item i {
            font-size: 1.25rem;
            transition: all var(--transition-fast);
        }

        .bottom-tab-item.tab-active {
            color: var(--brand-500);
            font-weight: 600;
        }

        .bottom-tab-item.tab-active i {
            color: var(--brand-500);
            transform: scale(1.08);
        }

        .bottom-tab-item:active {
            transform: scale(0.94);
            transition: transform 100ms;
        }

        /* ========== Hero ========== */
        .hero-category {
            position: relative;
            background: linear-gradient(160deg, #1a1a2e 0%, #16213e 40%, #0f3460 100%);
            overflow: hidden;
            padding: 80px 0 90px;
        }

        @media (max-width: 767px) {
            .hero-category {
                padding: 48px 0 56px;
            }
        }

        .hero-category .hero-bg-img {
            position: absolute;
            inset: 0;
            width: 100%;
            height: 100%;
            object-fit: cover;
            opacity: 0.22;
            pointer-events: none;
            mix-blend-mode: soft-light;
        }

        .hero-category .hero-overlay {
            position: absolute;
            inset: 0;
            background: radial-gradient(ellipse at 30% 50%, rgba(248, 90, 65, 0.18) 0%, transparent 60%),
                radial-gradient(ellipse at 70% 30%, rgba(249, 139, 7, 0.12) 0%, transparent 55%);
            pointer-events: none;
        }

        .hero-category-content {
            position: relative;
            z-index: 2;
            text-align: center;
            max-width: 720px;
            margin: 0 auto;
            padding: 0 20px;
        }

        .hero-category-badge {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            background: rgba(255, 255, 255, 0.1);
            border: 1px solid rgba(255, 255, 255, 0.18);
            color: #ffc8a0;
            padding: 6px 18px;
            border-radius: 999px;
            font-size: 0.85rem;
            font-weight: 500;
            letter-spacing: 0.02em;
            margin-bottom: 20px;
            animation: fadeUp 0.55s ease-out forwards;
        }

        .hero-category h1 {
            font-size: 2.8rem;
            font-weight: 800;
            color: #fff;
            margin: 0 0 18px;
            letter-spacing: -0.02em;
            line-height: 1.2;
            animation: fadeUp 0.6s ease-out 0.08s forwards;
            opacity: 0;
        }

        @media (max-width: 767px) {
            .hero-category h1 {
                font-size: 1.8rem;
            }
        }

        .hero-category p {
            font-size: 1.15rem;
            color: rgba(255, 255, 255, 0.78);
            margin: 0 auto 32px;
            max-width: 560px;
            line-height: 1.75;
            animation: fadeUp 0.6s ease-out 0.16s forwards;
            opacity: 0;
        }

        @media (max-width: 767px) {
            .hero-category p {
                font-size: 0.98rem;
            }
        }

        .hero-category .hero-cta-group {
            display: flex;
            flex-wrap: wrap;
            gap: 12px;
            justify-content: center;
            animation: fadeUp 0.6s ease-out 0.24s forwards;
            opacity: 0;
        }

        .btn-brand {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            padding: 13px 28px;
            background: var(--brand-500);
            color: #fff;
            font-weight: 600;
            font-size: 1rem;
            border-radius: 999px;
            border: none;
            box-shadow: 0 6px 22px rgba(248, 90, 65, 0.38);
            transition: all var(--transition-base);
            cursor: pointer;
            text-decoration: none;
        }

        .btn-brand:hover {
            background: var(--brand-600);
            box-shadow: 0 10px 28px rgba(248, 90, 65, 0.48);
            transform: translateY(-2px);
        }

        .btn-brand:active {
            transform: translateY(0);
            box-shadow: 0 4px 14px rgba(248, 90, 65, 0.3);
        }

        .btn-outline-light {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            padding: 13px 28px;
            background: transparent;
            color: #fff;
            font-weight: 600;
            font-size: 1rem;
            border-radius: 999px;
            border: 2px solid rgba(255, 255, 255, 0.45);
            transition: all var(--transition-base);
            cursor: pointer;
            text-decoration: none;
        }

        .btn-outline-light:hover {
            border-color: rgba(255, 255, 255, 0.8);
            background: rgba(255, 255, 255, 0.08);
            transform: translateY(-2px);
        }

        .btn-outline-light:active {
            transform: translateY(0);
        }

        /* ========== Section通用 ========== */
        .section-py {
            padding: 72px 0;
        }

        @media (max-width: 767px) {
            .section-py {
                padding: 44px 0;
            }
        }

        .section-label {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            font-size: 0.85rem;
            font-weight: 600;
            color: var(--brand-500);
            text-transform: uppercase;
            letter-spacing: 0.04em;
            margin-bottom: 8px;
        }

        .section-title {
            font-size: 2rem;
            font-weight: 750;
            color: var(--surface-950);
            margin: 0 0 12px;
            letter-spacing: -0.015em;
            line-height: 1.25;
        }

        @media (max-width: 767px) {
            .section-title {
                font-size: 1.5rem;
            }
        }

        .section-desc {
            font-size: 1.05rem;
            color: var(--surface-600);
            margin: 0 auto 40px;
            max-width: 600px;
            line-height: 1.7;
        }

        /* ========== 特色卡片网格 ========== */
        .features-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 24px;
        }

        @media (max-width: 1023px) {
            .features-grid {
                grid-template-columns: repeat(2, 1fr);
                gap: 18px;
            }
        }

        @media (max-width: 639px) {
            .features-grid {
                grid-template-columns: 1fr;
                gap: 14px;
            }
        }

        .feature-card {
            background: #fff;
            border-radius: var(--radius-lg);
            padding: 28px 24px;
            border: 1px solid var(--surface-200);
            box-shadow: var(--shadow-sm);
            transition: all var(--transition-base);
            position: relative;
            overflow: hidden;
        }

        .feature-card::before {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            right: 0;
            height: 4px;
            background: linear-gradient(90deg, var(--brand-500), var(--accent-400));
            opacity: 0;
            transition: opacity var(--transition-base);
            border-radius: var(--radius-lg) var(--radius-lg) 0 0;
        }

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

        .feature-card:hover::before {
            opacity: 1;
        }

        .feature-card .feature-icon-wrap {
            width: 52px;
            height: 52px;
            border-radius: var(--radius-md);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1.4rem;
            margin-bottom: 16px;
            background: #fef3f2;
            color: var(--brand-500);
        }

        .feature-card h3 {
            font-size: 1.15rem;
            font-weight: 650;
            color: var(--surface-950);
            margin: 0 0 8px;
        }

        .feature-card p {
            font-size: 0.925rem;
            color: var(--surface-600);
            margin: 0;
            line-height: 1.65;
        }

        /* ========== 攻略卡片（带封面图） ========== */
        .guide-cards-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 24px;
        }

        @media (max-width: 1023px) {
            .guide-cards-grid {
                grid-template-columns: repeat(2, 1fr);
                gap: 18px;
            }
        }

        @media (max-width: 639px) {
            .guide-cards-grid {
                grid-template-columns: 1fr;
                gap: 16px;
            }
        }

        .guide-card {
            background: #fff;
            border-radius: var(--radius-lg);
            overflow: hidden;
            border: 1px solid var(--surface-200);
            box-shadow: var(--shadow-sm);
            transition: all var(--transition-base);
            display: flex;
            flex-direction: column;
        }

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

        .guide-card-img-wrap {
            position: relative;
            aspect-ratio: 16 / 10;
            overflow: hidden;
            background: var(--surface-100);
        }

        .guide-card-img-wrap img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform var(--transition-slow);
        }

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

        .guide-card-tag {
            position: absolute;
            top: 12px;
            left: 12px;
            background: var(--brand-500);
            color: #fff;
            font-size: 0.75rem;
            font-weight: 600;
            padding: 4px 12px;
            border-radius: 999px;
            letter-spacing: 0.02em;
            z-index: 2;
        }

        .guide-card-body {
            padding: 20px 18px 22px;
            flex: 1;
            display: flex;
            flex-direction: column;
        }

        .guide-card-body h3 {
            font-size: 1.08rem;
            font-weight: 650;
            color: var(--surface-950);
            margin: 0 0 8px;
            line-height: 1.35;
        }

        .guide-card-body p {
            font-size: 0.875rem;
            color: var(--surface-600);
            margin: 0 0 16px;
            line-height: 1.6;
            flex: 1;
        }

        .guide-card-meta {
            display: flex;
            align-items: center;
            gap: 12px;
            font-size: 0.78rem;
            color: var(--surface-400);
        }

        .guide-card-meta span {
            display: inline-flex;
            align-items: center;
            gap: 4px;
        }

        /* ========== 流程步骤 ========== */
        .steps-list {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 20px;
            counter-reset: step-counter;
        }

        @media (max-width: 1023px) {
            .steps-list {
                grid-template-columns: repeat(2, 1fr);
                gap: 16px;
            }
        }

        @media (max-width: 639px) {
            .steps-list {
                grid-template-columns: 1fr;
                gap: 14px;
            }
        }

        .step-item {
            background: #fff;
            border-radius: var(--radius-lg);
            padding: 26px 20px;
            border: 1px solid var(--surface-200);
            box-shadow: var(--shadow-sm);
            text-align: center;
            position: relative;
            transition: all var(--transition-base);
            counter-increment: step-counter;
        }

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

        .step-item .step-number {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            width: 48px;
            height: 48px;
            border-radius: 50%;
            background: linear-gradient(135deg, var(--brand-500), var(--brand-700));
            color: #fff;
            font-weight: 700;
            font-size: 1.2rem;
            margin-bottom: 14px;
            box-shadow: 0 4px 14px rgba(248, 90, 65, 0.3);
        }

        .step-item h4 {
            font-size: 1.05rem;
            font-weight: 650;
            color: var(--surface-950);
            margin: 0 0 6px;
        }

        .step-item p {
            font-size: 0.875rem;
            color: var(--surface-600);
            margin: 0;
            line-height: 1.6;
        }

        /* ========== 场景标签区 ========== */
        .scene-tags-wrap {
            display: flex;
            flex-wrap: wrap;
            gap: 10px;
            justify-content: center;
            margin-top: 8px;
        }

        .scene-tag {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            padding: 10px 20px;
            background: #fff;
            border: 1px solid var(--surface-200);
            border-radius: 999px;
            font-size: 0.9rem;
            font-weight: 500;
            color: var(--surface-700);
            transition: all var(--transition-fast);
            cursor: default;
            box-shadow: var(--shadow-sm);
        }

        .scene-tag:hover {
            border-color: var(--brand-300);
            color: var(--brand-600);
            box-shadow: var(--shadow-md);
            transform: translateY(-2px);
        }

        .scene-tag i {
            color: var(--brand-500);
            font-size: 0.9rem;
        }

        /* ========== 数据展示条 ========== */
        .stats-strip {
            background: linear-gradient(135deg, #1a1a2e 0%, #16213e 50%, #0f3460 100%);
            padding: 48px 0;
            position: relative;
            overflow: hidden;
        }

        .stats-strip::before {
            content: '';
            position: absolute;
            inset: 0;
            background: radial-gradient(ellipse at center, rgba(248, 90, 65, 0.12) 0%, transparent 70%);
            pointer-events: none;
        }

        .stats-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 20px;
            position: relative;
            z-index: 2;
        }

        @media (max-width: 767px) {
            .stats-grid {
                grid-template-columns: repeat(2, 1fr);
                gap: 16px;
            }
        }

        .stat-item {
            text-align: center;
            padding: 16px;
        }

        .stat-number {
            font-size: 2.4rem;
            font-weight: 800;
            color: #fff;
            letter-spacing: -0.02em;
            line-height: 1.1;
        }

        @media (max-width: 767px) {
            .stat-number {
                font-size: 1.8rem;
            }
        }

        .stat-label {
            font-size: 0.9rem;
            color: rgba(255, 255, 255, 0.7);
            margin-top: 6px;
            font-weight: 500;
        }

        /* ========== FAQ ========== */
        .faq-list {
            max-width: 760px;
            margin: 0 auto;
            display: flex;
            flex-direction: column;
            gap: 12px;
        }

        .faq-item {
            background: #fff;
            border: 1px solid var(--surface-200);
            border-radius: var(--radius-md);
            overflow: hidden;
            box-shadow: var(--shadow-sm);
            transition: all var(--transition-base);
        }

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

        .faq-question {
            width: 100%;
            background: none;
            border: none;
            padding: 18px 20px;
            font-size: 1rem;
            font-weight: 600;
            color: var(--surface-900);
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 12px;
            cursor: pointer;
            text-align: left;
            transition: color var(--transition-fast);
        }

        .faq-question:hover {
            color: var(--brand-500);
        }

        .faq-question i {
            font-size: 0.85rem;
            color: var(--surface-400);
            transition: all var(--transition-base);
            flex-shrink: 0;
        }

        .faq-item.open .faq-question i {
            transform: rotate(180deg);
            color: var(--brand-500);
        }

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

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

        .faq-answer-inner {
            padding: 0 20px 18px;
            font-size: 0.925rem;
            color: var(--surface-600);
            line-height: 1.7;
        }

        /* ========== CTA区域 ========== */
        .cta-section {
            background: linear-gradient(160deg, #fef3f2 0%, #fff8eb 50%, #fef3f2 100%);
            border-radius: var(--radius-2xl);
            padding: 52px 40px;
            text-align: center;
            position: relative;
            overflow: hidden;
        }

        @media (max-width: 767px) {
            .cta-section {
                padding: 36px 20px;
                border-radius: var(--radius-xl);
            }
        }

        .cta-section::before {
            content: '';
            position: absolute;
            top: -40px;
            right: -40px;
            width: 160px;
            height: 160px;
            background: radial-gradient(circle, rgba(248, 90, 65, 0.12) 0%, transparent 70%);
            border-radius: 50%;
            pointer-events: none;
        }

        .cta-section h2 {
            font-size: 1.8rem;
            font-weight: 750;
            color: var(--surface-950);
            margin: 0 0 10px;
            position: relative;
            z-index: 1;
        }

        @media (max-width: 767px) {
            .cta-section h2 {
                font-size: 1.4rem;
            }
        }

        .cta-section p {
            font-size: 1.05rem;
            color: var(--surface-600);
            margin: 0 auto 24px;
            max-width: 500px;
            position: relative;
            z-index: 1;
        }

        .btn-accent {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            padding: 14px 32px;
            background: var(--accent-500);
            color: #fff;
            font-weight: 600;
            font-size: 1rem;
            border-radius: 999px;
            border: none;
            box-shadow: 0 6px 22px rgba(249, 139, 7, 0.38);
            transition: all var(--transition-base);
            cursor: pointer;
            text-decoration: none;
            position: relative;
            z-index: 1;
        }

        .btn-accent:hover {
            background: #e07d04;
            box-shadow: 0 10px 28px rgba(249, 139, 7, 0.48);
            transform: translateY(-2px);
        }

        .btn-accent:active {
            transform: translateY(0);
        }

        /* ========== Footer ========== */
        .footer-main {
            background: var(--surface-950);
            color: rgba(255, 255, 255, 0.7);
            padding: 48px 0 32px;
            text-align: center;
        }

        .footer-brand {
            font-size: 1.3rem;
            font-weight: 700;
            color: #fff;
            margin-bottom: 8px;
        }

        .footer-desc {
            font-size: 0.9rem;
            color: rgba(255, 255, 255, 0.55);
            margin: 0 auto 20px;
            max-width: 420px;
            line-height: 1.6;
        }

        .footer-links {
            display: flex;
            flex-wrap: wrap;
            gap: 16px;
            justify-content: center;
            margin-bottom: 20px;
        }

        .footer-links a {
            color: rgba(255, 255, 255, 0.6);
            font-size: 0.9rem;
            transition: color var(--transition-fast);
        }

        .footer-links a:hover {
            color: #fff;
        }

        .footer-copy {
            font-size: 0.8rem;
            color: rgba(255, 255, 255, 0.4);
            margin: 0;
        }

        /* 占位确保底部Tab不遮挡内容 */
        @media (max-width: 767px) {
            .footer-main {
                padding-bottom: 88px;
            }
        }

/* roulang page: category3 */
:root {
            --primary: #f59e0b;
            --primary-hover: #d97706;
            --primary-soft: rgba(245, 158, 11, 0.08);
            --dark: #1e293b;
            --gray-800: #1e293b;
            --gray-700: #334155;
            --gray-600: #475569;
            --gray-400: #94a3b8;
            --gray-200: #e2e8f0;
            --gray-100: #f1f5f9;
            --gray-50: #f8fafc;
            --white: #ffffff;
            --shadow-card: 0 4px 20px rgba(0,0,0,0.06);
            --shadow-lg: 0 12px 40px rgba(0,0,0,0.08);
            --radius-xl: 1rem;
            --radius-2xl: 1.5rem;
            --radius-full: 9999px;
        }

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

        body {
            font-family: 'Inter', system-ui, -apple-system, 'Segoe UI', Roboto, sans-serif;
            background: var(--gray-50);
            color: var(--dark);
            line-height: 1.6;
            -webkit-font-smoothing: antialiased;
        }

        a {
            text-decoration: none;
            color: inherit;
        }

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

        /* 导航 */
        .header-main {
            background: var(--white);
            box-shadow: 0 1px 0 var(--gray-200), 0 4px 12px rgba(0,0,0,0.03);
            position: sticky;
            top: 0;
            z-index: 50;
            backdrop-filter: blur(8px);
        }
        .header-inner {
            max-width: 1280px;
            margin: 0 auto;
            display: flex;
            align-items: center;
            justify-content: space-between;
            padding: 0 24px;
            height: 64px;
        }
        .header-logo {
            font-size: 1.5rem;
            font-weight: 700;
            color: var(--dark);
            display: flex;
            align-items: center;
            gap: 8px;
            letter-spacing: -0.3px;
            white-space: nowrap;
        }
        .logo-icon {
            color: var(--primary);
            font-size: 1.8rem;
        }
        .nav-list {
            list-style: none;
            display: flex;
            gap: 4px;
            align-items: center;
        }
        .nav-list li a {
            padding: 8px 16px;
            border-radius: var(--radius-full);
            font-weight: 500;
            font-size: 0.95rem;
            color: var(--gray-600);
            transition: all 0.2s;
        }
        .nav-list li a:hover {
            background: var(--primary-soft);
            color: var(--primary-hover);
        }
        .nav-active {
            background: var(--primary-soft) !important;
            color: var(--primary) !important;
            font-weight: 600 !important;
        }

        /* 底部导航 (移动) */
        .mobile-bottom-nav {
            display: none;
        }

        /* 通用容器 */
        .section-container {
            max-width: 1280px;
            margin: 0 auto;
            padding: 64px 24px;
        }
        .section-title {
            font-size: 2.2rem;
            font-weight: 700;
            letter-spacing: -0.5px;
            color: var(--gray-800);
            margin-bottom: 16px;
        }
        .section-sub {
            font-size: 1.1rem;
            color: var(--gray-600);
            max-width: 680px;
            margin: 0 auto 48px;
        }

        /* Hero */
        .hero-community {
            background: linear-gradient(135deg, #1e293b 0%, #0f172a 100%);
            position: relative;
            overflow: hidden;
            display: flex;
            align-items: center;
            justify-content: center;
            text-align: center;
            padding: 100px 24px;
        }
        .hero-community::before {
            content: "";
            position: absolute;
            inset: 0;
            background: url('/assets/images/backpic/back-1.png') center/cover no-repeat;
            opacity: 0.12;
            z-index: 0;
        }
        .hero-content {
            position: relative;
            z-index: 2;
            max-width: 800px;
        }
        .hero-title {
            font-size: 3rem;
            font-weight: 800;
            color: white;
            line-height: 1.2;
            margin-bottom: 20px;
        }
        .hero-title span {
            color: var(--primary);
        }
        .hero-desc {
            font-size: 1.25rem;
            color: rgba(255,255,255,0.8);
            margin-bottom: 32px;
        }
        .btn-primary {
            background: var(--primary);
            color: white;
            font-weight: 600;
            padding: 12px 32px;
            border-radius: var(--radius-full);
            display: inline-flex;
            align-items: center;
            gap: 8px;
            transition: all 0.25s;
            border: none;
            cursor: pointer;
            font-size: 1rem;
            box-shadow: 0 8px 20px -8px rgba(245,158,11,0.4);
        }
        .btn-primary:hover {
            background: var(--primary-hover);
            transform: translateY(-2px);
            box-shadow: 0 12px 28px -8px rgba(245,158,11,0.5);
        }
        .btn-outline-light {
            background: transparent;
            border: 1px solid rgba(255,255,255,0.35);
            color: white;
            font-weight: 500;
            padding: 10px 28px;
            border-radius: var(--radius-full);
            transition: 0.25s;
            display: inline-flex;
            align-items: center;
            gap: 6px;
        }
        .btn-outline-light:hover {
            background: rgba(255,255,255,0.1);
            border-color: rgba(255,255,255,0.7);
        }

        /* 特性卡片 */
        .feature-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
            gap: 28px;
            margin-top: 20px;
        }
        .feature-card {
            background: var(--white);
            border-radius: var(--radius-2xl);
            padding: 32px 24px;
            box-shadow: var(--shadow-card);
            transition: all 0.3s;
            text-align: center;
        }
        .feature-card:hover {
            transform: translateY(-6px);
            box-shadow: var(--shadow-lg);
        }
        .feature-icon {
            font-size: 2.6rem;
            color: var(--primary);
            margin-bottom: 20px;
        }
        .feature-card h3 {
            font-size: 1.3rem;
            font-weight: 650;
            margin-bottom: 10px;
            color: var(--gray-800);
        }
        .feature-card p {
            color: var(--gray-600);
            font-size: 0.95rem;
            line-height: 1.7;
        }

        /* 统计条 */
        .stats-bar {
            background: var(--white);
            border-radius: var(--radius-2xl);
            padding: 32px 24px;
            display: flex;
            flex-wrap: wrap;
            justify-content: space-around;
            gap: 20px;
            box-shadow: var(--shadow-card);
            margin-top: 20px;
            text-align: center;
        }
        .stat-item h4 {
            font-size: 2rem;
            font-weight: 700;
            color: var(--primary);
        }
        .stat-item p {
            color: var(--gray-600);
            margin-top: 4px;
            font-weight: 500;
        }

        /* 步骤 */
        .steps-row {
            display: flex;
            flex-wrap: wrap;
            justify-content: center;
            gap: 32px;
            margin-top: 28px;
        }
        .step {
            background: var(--white);
            border-radius: var(--radius-2xl);
            padding: 28px 24px;
            flex: 1 1 220px;
            max-width: 260px;
            box-shadow: var(--shadow-card);
            text-align: center;
            position: relative;
        }
        .step-number {
            width: 44px;
            height: 44px;
            background: var(--primary);
            color: white;
            border-radius: 50%;
            display: inline-flex;
            align-items: center;
            justify-content: center;
            font-weight: 700;
            font-size: 1.2rem;
            margin-bottom: 16px;
        }
        .step h4 {
            font-weight: 650;
            margin-bottom: 8px;
        }
        .step p {
            color: var(--gray-600);
            font-size: 0.9rem;
        }

        /* FAQ */
        .faq-item {
            background: var(--white);
            border-radius: var(--radius-xl);
            padding: 20px 24px;
            margin-bottom: 12px;
            box-shadow: 0 2px 10px rgba(0,0,0,0.02);
            border: 1px solid var(--gray-200);
            transition: 0.2s;
        }
        .faq-item:hover {
            border-color: var(--primary);
        }
        .faq-question {
            font-weight: 650;
            font-size: 1.05rem;
            display: flex;
            justify-content: space-between;
            align-items: center;
            cursor: default;
        }
        .faq-answer {
            margin-top: 12px;
            color: var(--gray-600);
            line-height: 1.7;
            display: none;
        }
        .faq-item.open .faq-answer {
            display: block;
        }

        /* CTA 区块 */
        .cta-block {
            background: linear-gradient(105deg, #f59e0b 0%, #d97706 100%);
            border-radius: var(--radius-2xl);
            padding: 60px 36px;
            text-align: center;
            color: white;
            margin-top: 20px;
            box-shadow: 0 20px 40px -12px rgba(245,158,11,0.3);
        }
        .cta-block h3 {
            font-size: 2rem;
            font-weight: 700;
        }
        .cta-block p {
            margin: 16px 0 28px;
            font-size: 1.1rem;
            opacity: 0.9;
        }
        .btn-white {
            background: white;
            color: var(--primary);
            font-weight: 700;
            padding: 12px 36px;
            border-radius: var(--radius-full);
            transition: 0.2s;
        }
        .btn-white:hover {
            background: #f8fafc;
            transform: translateY(-1px);
        }

        /* 页脚 */
        .footer-main {
            background: var(--gray-800);
            color: #cbd5e1;
            padding: 48px 24px 32px;
            text-align: center;
        }
        .footer-brand {
            font-size: 1.5rem;
            font-weight: 700;
            color: white;
            margin-bottom: 12px;
        }
        .footer-desc {
            max-width: 500px;
            margin: 0 auto 24px;
            font-size: 0.9rem;
        }
        .footer-links {
            display: flex;
            justify-content: center;
            gap: 24px;
            flex-wrap: wrap;
            margin-bottom: 28px;
        }
        .footer-links a {
            color: #94a3b8;
            font-weight: 500;
            transition: 0.2s;
        }
        .footer-links a:hover {
            color: white;
        }
        .footer-copy {
            font-size: 0.85rem;
            color: #64748b;
        }

        /* 响应式 */
        @media (max-width: 1024px) {
            .hero-title { font-size: 2.4rem; }
        }
        @media (max-width: 768px) {
            .header-inner { padding: 0 16px; }
            .nav-list { gap: 2px; }
            .nav-list li a { padding: 6px 12px; font-size: 0.85rem; }
            .hero-title { font-size: 2rem; }
            .section-container { padding: 48px 16px; }
            .section-title { font-size: 1.8rem; }
            .feature-grid { grid-template-columns: 1fr; }
            .steps-row { flex-direction: column; align-items: center; }
            .step { max-width: 320px; }
            .mobile-bottom-nav {
                display: flex;
                justify-content: space-around;
                background: white;
                position: fixed;
                bottom: 0;
                left: 0;
                right: 0;
                border-top: 1px solid var(--gray-200);
                padding: 8px 0 10px;
                z-index: 40;
            }
            .mobile-bottom-nav a {
                display: flex;
                flex-direction: column;
                align-items: center;
                font-size: 0.7rem;
                color: var(--gray-600);
                gap: 4px;
            }
            .mobile-bottom-nav a i { font-size: 1.2rem; }
            .mobile-bottom-nav a.active { color: var(--primary); }
        }

/* roulang page: category2 */
:root {
            --color-brand: #f97316;
            --color-brand-deep: #c2410c;
            --color-brand-light: #fff7ed;
            --color-accent-gold: #d4a853;
            --color-surface: #fafaf9;
            --color-text: #1c1917;
            --color-text-soft: #78716c;
            --color-text-muted: #a8a29e;
            --color-border: #e7e5e4;
            --color-border-light: #f0efed;
            --radius-sm: 0.5rem;
            --radius-md: 0.75rem;
            --radius-lg: 1rem;
            --radius-xl: 1.25rem;
            --shadow-card: 0 1px 3px rgba(0, 0, 0, 0.06), 0 4px 16px rgba(0, 0, 0, 0.04);
            --shadow-card-hover: 0 2px 8px rgba(0, 0, 0, 0.08), 0 8px 32px rgba(0, 0, 0, 0.06);
            --transition-fast: 180ms ease;
            --transition-smooth: 280ms cubic-bezier(0.4, 0, 0.2, 1);
        }

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

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

        body {
            margin: 0;
            padding: 0;
            font-family: "Inter", "Noto Sans SC", system-ui, -apple-system, sans-serif;
            font-size: 16px;
            line-height: 1.65;
            color: var(--color-text);
            background-color: #fdfdfc;
            min-height: 100vh;
            padding-bottom: 0;
        }

        @media (max-width: 767px) {
            body {
                padding-bottom: 72px;
            }
        }

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

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

        button,
        input {
            font-family: inherit;
        }

        /* ========== HEADER ========== */
        .header-main {
            position: sticky;
            top: 0;
            z-index: 100;
            background: rgba(255, 255, 255, 0.92);
            backdrop-filter: blur(16px);
            -webkit-backdrop-filter: blur(16px);
            border-bottom: 1px solid var(--color-border-light);
            box-shadow: var(--shadow-card);
            transition: background var(--transition-smooth);
        }

        .header-inner {
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 20px;
            height: 60px;
            display: flex;
            align-items: center;
            justify-content: space-between;
        }

        .header-logo {
            display: flex;
            align-items: center;
            gap: 10px;
            font-weight: 700;
            font-size: 1.25rem;
            color: var(--color-text);
            letter-spacing: -0.01em;
            white-space: nowrap;
            transition: opacity var(--transition-fast);
        }
        .header-logo:hover {
            opacity: 0.82;
        }

        .logo-icon {
            display: flex;
            align-items: center;
            justify-content: center;
            width: 38px;
            height: 38px;
            border-radius: var(--radius-md);
            background: linear-gradient(135deg, #f97316, #ea580c);
            color: #fff;
            font-size: 1.1rem;
            flex-shrink: 0;
        }

        .nav-list {
            display: flex;
            list-style: none;
            margin: 0;
            padding: 0;
            gap: 4px;
            align-items: center;
        }

        .nav-list li a {
            display: inline-flex;
            align-items: center;
            padding: 8px 18px;
            border-radius: 999px;
            font-size: 0.9rem;
            font-weight: 500;
            color: var(--color-text-soft);
            transition: all var(--transition-fast);
            white-space: nowrap;
            letter-spacing: 0.01em;
            position: relative;
        }
        .nav-list li a:hover {
            color: var(--color-brand);
            background: var(--color-brand-light);
        }
        .nav-list li a.nav-active {
            color: #fff;
            background: var(--color-brand);
            font-weight: 600;
            box-shadow: 0 2px 8px rgba(249, 115, 22, 0.35);
        }
        .nav-list li a.nav-active:hover {
            background: var(--color-brand-deep);
            color: #fff;
        }

        @media (max-width: 767px) {
            .nav-list {
                display: none;
            }
            .header-inner {
                height: 52px;
                padding: 0 16px;
            }
            .header-logo {
                font-size: 1.05rem;
                gap: 7px;
            }
            .logo-icon {
                width: 32px;
                height: 32px;
                font-size: 0.9rem;
                border-radius: 0.6rem;
            }
        }

        /* ========== BOTTOM TAB NAV (Mobile) ========== */
        .bottom-tab-nav {
            display: none;
            position: fixed;
            bottom: 0;
            left: 0;
            right: 0;
            z-index: 200;
            background: rgba(255, 255, 255, 0.95);
            backdrop-filter: blur(18px);
            -webkit-backdrop-filter: blur(18px);
            border-top: 1px solid var(--color-border-light);
            box-shadow: 0 -2px 12px rgba(0, 0, 0, 0.08);
            padding: 6px 8px;
            padding-bottom: max(6px, env(safe-area-inset-bottom));
        }

        @media (max-width: 767px) {
            .bottom-tab-nav {
                display: flex;
            }
        }

        .bottom-tab-inner {
            display: flex;
            width: 100%;
            max-width: 500px;
            margin: 0 auto;
            justify-content: space-around;
            align-items: center;
        }

        .bottom-tab-item {
            display: flex;
            flex-direction: column;
            align-items: center;
            justify-content: center;
            gap: 3px;
            padding: 6px 10px;
            border-radius: 12px;
            font-size: 0.68rem;
            font-weight: 500;
            color: var(--color-text-muted);
            transition: all var(--transition-fast);
            min-width: 56px;
            text-align: center;
            cursor: pointer;
            user-select: none;
            -webkit-tap-highlight-color: transparent;
        }
        .bottom-tab-item i {
            font-size: 1.25rem;
            transition: color var(--transition-fast);
        }
        .bottom-tab-item:hover {
            color: var(--color-brand);
        }
        .bottom-tab-item.tab-active {
            color: var(--color-brand);
            font-weight: 700;
        }
        .bottom-tab-item.tab-active i {
            color: var(--color-brand);
        }

        /* ========== HERO ========== */
        .hero-section {
            position: relative;
            background: linear-gradient(160deg, #1c1917 0%, #2d2218 35%, #3d2a14 70%, #1c1917 100%);
            min-height: 440px;
            display: flex;
            align-items: center;
            overflow: hidden;
        }
        .hero-section::before {
            content: '';
            position: absolute;
            inset: 0;
            background-image: url('/assets/images/backpic/back-1.png');
            background-size: cover;
            background-position: center;
            opacity: 0.28;
            z-index: 0;
        }
        .hero-section::after {
            content: '';
            position: absolute;
            inset: 0;
            background: radial-gradient(ellipse at 60% 40%, rgba(249, 115, 22, 0.18) 0%, transparent 60%),
                radial-gradient(ellipse at 30% 70%, rgba(212, 168, 83, 0.1) 0%, transparent 50%);
            z-index: 0;
        }
        .hero-content {
            position: relative;
            z-index: 2;
            max-width: 1200px;
            margin: 0 auto;
            padding: 50px 20px;
            width: 100%;
        }
        .hero-badge {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            background: rgba(249, 115, 22, 0.2);
            border: 1px solid rgba(249, 115, 22, 0.35);
            color: #fdba74;
            padding: 6px 16px;
            border-radius: 999px;
            font-size: 0.85rem;
            font-weight: 600;
            letter-spacing: 0.02em;
            margin-bottom: 20px;
        }
        .hero-title {
            font-size: clamp(2rem, 5vw, 3.2rem);
            font-weight: 800;
            color: #fff;
            line-height: 1.2;
            letter-spacing: -0.02em;
            margin: 0 0 16px;
        }
        .hero-title span {
            color: #fdba74;
            position: relative;
        }
        .hero-subtitle {
            font-size: 1.1rem;
            color: #d6d3d1;
            max-width: 560px;
            line-height: 1.7;
            margin: 0 0 28px;
        }
        .hero-cta-group {
            display: flex;
            flex-wrap: wrap;
            gap: 12px;
        }
        .btn-hero-primary {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            padding: 14px 28px;
            background: linear-gradient(135deg, #f97316, #ea580c);
            color: #fff;
            font-weight: 700;
            font-size: 1rem;
            border-radius: 999px;
            border: none;
            cursor: pointer;
            transition: all var(--transition-smooth);
            box-shadow: 0 4px 18px rgba(249, 115, 22, 0.4);
            letter-spacing: 0.01em;
            white-space: nowrap;
        }
        .btn-hero-primary:hover {
            transform: translateY(-2px);
            box-shadow: 0 8px 28px rgba(249, 115, 22, 0.5);
            background: linear-gradient(135deg, #fb923c, #f97316);
        }
        .btn-hero-outline {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            padding: 14px 28px;
            background: transparent;
            color: #fff;
            font-weight: 600;
            font-size: 1rem;
            border-radius: 999px;
            border: 2px solid rgba(255, 255, 255, 0.35);
            cursor: pointer;
            transition: all var(--transition-smooth);
            white-space: nowrap;
        }
        .btn-hero-outline:hover {
            border-color: #fff;
            background: rgba(255, 255, 255, 0.08);
        }

        @media (max-width: 767px) {
            .hero-section {
                min-height: 360px;
            }
            .hero-content {
                padding: 36px 16px;
            }
            .hero-title {
                font-size: 1.7rem;
            }
            .hero-subtitle {
                font-size: 0.95rem;
            }
            .btn-hero-primary,
            .btn-hero-outline {
                padding: 11px 22px;
                font-size: 0.9rem;
            }
        }

        /* ========== SECTIONS ========== */
        .section-container {
            max-width: 1200px;
            margin: 0 auto;
            padding: 60px 20px;
        }
        @media (max-width: 767px) {
            .section-container {
                padding: 40px 16px;
            }
        }
        .section-header {
            text-align: center;
            margin-bottom: 40px;
        }
        .section-label {
            display: inline-block;
            font-size: 0.8rem;
            font-weight: 700;
            text-transform: uppercase;
            letter-spacing: 0.06em;
            color: var(--color-brand);
            background: var(--color-brand-light);
            padding: 5px 14px;
            border-radius: 999px;
            margin-bottom: 12px;
        }
        .section-title {
            font-size: clamp(1.5rem, 3vw, 2rem);
            font-weight: 800;
            color: var(--color-text);
            letter-spacing: -0.01em;
            margin: 0 0 8px;
        }
        .section-desc {
            font-size: 1rem;
            color: var(--color-text-soft);
            max-width: 600px;
            margin: 0 auto;
            line-height: 1.7;
        }

        /* ========== CARDS ========== */
        .card-grid {
            display: grid;
            grid-template-columns: repeat(auto-fill, minmax(320px, 1fr));
            gap: 24px;
        }
        @media (max-width: 520px) {
            .card-grid {
                grid-template-columns: 1fr;
                gap: 16px;
            }
        }
        .promo-card {
            background: #fff;
            border-radius: var(--radius-xl);
            overflow: hidden;
            box-shadow: var(--shadow-card);
            transition: all var(--transition-smooth);
            border: 1px solid var(--color-border-light);
            display: flex;
            flex-direction: column;
            height: 100%;
        }
        .promo-card:hover {
            box-shadow: var(--shadow-card-hover);
            transform: translateY(-3px);
            border-color: #fed7aa;
        }
        .promo-card-img-wrap {
            position: relative;
            overflow: hidden;
            aspect-ratio: 16 / 10;
            background: #f5f5f4;
        }
        .promo-card-img-wrap img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform 0.5s ease;
        }
        .promo-card:hover .promo-card-img-wrap img {
            transform: scale(1.04);
        }
        .promo-card-badge {
            position: absolute;
            top: 14px;
            left: 14px;
            background: #ef4444;
            color: #fff;
            font-size: 0.72rem;
            font-weight: 700;
            padding: 5px 11px;
            border-radius: 999px;
            letter-spacing: 0.03em;
            z-index: 3;
            box-shadow: 0 2px 8px rgba(239, 68, 68, 0.35);
        }
        .promo-card-badge.hot {
            background: linear-gradient(135deg, #f97316, #ef4444);
        }
        .promo-card-badge.new {
            background: #22c55e;
            box-shadow: 0 2px 8px rgba(34, 197, 94, 0.35);
        }
        .promo-card-body {
            padding: 20px 20px 24px;
            flex: 1;
            display: flex;
            flex-direction: column;
        }
        .promo-card-title {
            font-size: 1.1rem;
            font-weight: 700;
            color: var(--color-text);
            margin: 0 0 8px;
            letter-spacing: -0.01em;
            line-height: 1.35;
        }
        .promo-card-desc {
            font-size: 0.9rem;
            color: var(--color-text-soft);
            line-height: 1.6;
            margin: 0 0 16px;
            flex: 1;
        }
        .promo-card-meta {
            display: flex;
            align-items: center;
            gap: 8px;
            font-size: 0.78rem;
            color: var(--color-text-muted);
            margin-bottom: 14px;
        }
        .promo-card-meta i {
            font-size: 0.7rem;
            color: var(--color-brand);
        }
        .btn-card {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 6px;
            width: 100%;
            padding: 11px 20px;
            font-weight: 600;
            font-size: 0.9rem;
            border-radius: 999px;
            border: 2px solid var(--color-brand);
            color: var(--color-brand);
            background: #fff;
            cursor: pointer;
            transition: all var(--transition-fast);
            letter-spacing: 0.01em;
        }
        .btn-card:hover {
            background: var(--color-brand);
            color: #fff;
            box-shadow: 0 4px 14px rgba(249, 115, 22, 0.3);
        }
        .btn-card:active {
            transform: scale(0.97);
        }

        /* ========== BENEFIT LIST ========== */
        .benefit-grid {
            display: grid;
            grid-template-columns: repeat(auto-fill, minmax(260px, 1fr));
            gap: 20px;
        }
        @media (max-width: 520px) {
            .benefit-grid {
                grid-template-columns: 1fr;
            }
        }
        .benefit-item {
            display: flex;
            align-items: flex-start;
            gap: 14px;
            padding: 20px;
            background: #fff;
            border-radius: var(--radius-lg);
            border: 1px solid var(--color-border-light);
            transition: all var(--transition-smooth);
        }
        .benefit-item:hover {
            box-shadow: var(--shadow-card-hover);
            border-color: #fed7aa;
        }
        .benefit-icon-circle {
            flex-shrink: 0;
            width: 46px;
            height: 46px;
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1.2rem;
            background: var(--color-brand-light);
            color: var(--color-brand);
        }
        .benefit-text h4 {
            margin: 0 0 4px;
            font-size: 0.95rem;
            font-weight: 700;
            color: var(--color-text);
            letter-spacing: -0.01em;
        }
        .benefit-text p {
            margin: 0;
            font-size: 0.82rem;
            color: var(--color-text-soft);
            line-height: 1.55;
        }

        /* ========== STEPS ========== */
        .steps-row {
            display: flex;
            flex-wrap: wrap;
            gap: 0;
            counter-reset: step;
            position: relative;
        }
        .steps-row::before {
            content: '';
            position: absolute;
            top: 36px;
            left: 40px;
            right: 40px;
            height: 2px;
            background: #e7e5e4;
            z-index: 0;
        }
        @media (max-width: 767px) {
            .steps-row::before {
                display: none;
            }
            .steps-row {
                flex-direction: column;
                gap: 16px;
            }
        }
        .step-item {
            flex: 1;
            min-width: 200px;
            text-align: center;
            position: relative;
            z-index: 1;
            padding: 0 16px;
        }
        .step-num {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            width: 48px;
            height: 48px;
            border-radius: 50%;
            background: #fff;
            border: 3px solid var(--color-brand);
            color: var(--color-brand);
            font-weight: 800;
            font-size: 1.2rem;
            margin-bottom: 14px;
            position: relative;
            z-index: 2;
            transition: all var(--transition-smooth);
        }
        .step-item:hover .step-num {
            background: var(--color-brand);
            color: #fff;
            box-shadow: 0 6px 20px rgba(249, 115, 22, 0.35);
            transform: scale(1.08);
        }
        .step-item h4 {
            font-size: 0.95rem;
            font-weight: 700;
            color: var(--color-text);
            margin: 0 0 6px;
        }
        .step-item p {
            font-size: 0.82rem;
            color: var(--color-text-soft);
            margin: 0;
            line-height: 1.5;
        }

        /* ========== FAQ ========== */
        .faq-list {
            max-width: 760px;
            margin: 0 auto;
            display: flex;
            flex-direction: column;
            gap: 12px;
        }
        .faq-item {
            background: #fff;
            border: 1px solid var(--color-border-light);
            border-radius: var(--radius-lg);
            overflow: hidden;
            transition: all var(--transition-smooth);
            cursor: pointer;
        }
        .faq-item:hover {
            border-color: #fed7aa;
        }
        .faq-item summary {
            padding: 18px 22px;
            font-weight: 700;
            font-size: 0.95rem;
            color: var(--color-text);
            list-style: none;
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 12px;
            letter-spacing: -0.01em;
            user-select: none;
            -webkit-tap-highlight-color: transparent;
        }
        .faq-item summary::-webkit-details-marker {
            display: none;
        }
        .faq-item summary .faq-arrow {
            flex-shrink: 0;
            width: 28px;
            height: 28px;
            border-radius: 50%;
            background: var(--color-brand-light);
            color: var(--color-brand);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 0.7rem;
            transition: transform var(--transition-smooth);
        }
        .faq-item[open] summary .faq-arrow {
            transform: rotate(180deg);
            background: var(--color-brand);
            color: #fff;
        }
        .faq-answer {
            padding: 0 22px 20px;
            font-size: 0.88rem;
            color: var(--color-text-soft);
            line-height: 1.7;
        }

        /* ========== CTA BANNER ========== */
        .cta-banner {
            background: linear-gradient(150deg, #1c1917 0%, #2d1f12 40%, #3d220d 100%);
            border-radius: var(--radius-2xl, 1rem);
            padding: 48px 32px;
            text-align: center;
            position: relative;
            overflow: hidden;
        }
        .cta-banner::before {
            content: '';
            position: absolute;
            inset: 0;
            background: radial-gradient(ellipse at 50% 30%, rgba(249, 115, 22, 0.25) 0%, transparent 60%);
            z-index: 0;
        }
        .cta-banner>* {
            position: relative;
            z-index: 1;
        }
        .cta-banner h3 {
            font-size: clamp(1.4rem, 3vw, 1.8rem);
            font-weight: 800;
            color: #fff;
            margin: 0 0 10px;
            letter-spacing: -0.01em;
        }
        .cta-banner p {
            color: #d6d3d1;
            font-size: 0.95rem;
            margin: 0 0 24px;
            max-width: 500px;
            margin-left: auto;
            margin-right: auto;
            line-height: 1.6;
        }
        .btn-cta-large {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            padding: 15px 34px;
            background: linear-gradient(135deg, #f97316, #ea580c);
            color: #fff;
            font-weight: 700;
            font-size: 1.05rem;
            border-radius: 999px;
            border: none;
            cursor: pointer;
            transition: all var(--transition-smooth);
            box-shadow: 0 6px 22px rgba(249, 115, 22, 0.4);
            letter-spacing: 0.01em;
            white-space: nowrap;
        }
        .btn-cta-large:hover {
            transform: translateY(-3px);
            box-shadow: 0 10px 32px rgba(249, 115, 22, 0.5);
        }
        .btn-cta-large:active {
            transform: scale(0.96);
        }

        /* ========== FOOTER ========== */
        .footer-main {
            background: #1c1917;
            color: #d6d3d1;
            padding: 40px 20px 30px;
            text-align: center;
            border-top: 1px solid #292524;
        }
        @media (max-width: 767px) {
            .footer-main {
                padding: 32px 16px 90px;
            }
        }
        .footer-brand {
            font-size: 1.3rem;
            font-weight: 700;
            color: #fff;
            margin-bottom: 8px;
            letter-spacing: -0.01em;
        }
        .footer-desc {
            font-size: 0.85rem;
            color: #a8a29e;
            max-width: 480px;
            margin: 0 auto 20px;
            line-height: 1.6;
        }
        .footer-links {
            display: flex;
            flex-wrap: wrap;
            justify-content: center;
            gap: 20px;
            margin-bottom: 18px;
        }
        .footer-links a {
            color: #d6d3d1;
            font-size: 0.85rem;
            transition: color var(--transition-fast);
        }
        .footer-links a:hover {
            color: #fdba74;
        }
        .footer-copy {
            font-size: 0.75rem;
            color: #78716c;
            margin: 0;
            letter-spacing: 0.02em;
        }

        /* ========== UTILITY ========== */
        .text-brand {
            color: var(--color-brand);
        }
        .bg-brand-light {
            background: var(--color-brand-light);
        }
        .sr-only {
            position: absolute;
            width: 1px;
            height: 1px;
            padding: 0;
            margin: -1px;
            overflow: hidden;
            clip: rect(0, 0, 0, 0);
            white-space: nowrap;
            border: 0;
        }
        @media (max-width: 767px) {
            .hide-mobile {
                display: none !important;
            }
        }
        @media (min-width: 768px) {
            .hide-desktop {
                display: none !important;
            }
        }