/* roulang page: index */
:root {
            --color-primary: #C27A4A;
            --color-primary-hover: #B0683A;
            --color-primary-light: rgba(194, 122, 74, 0.12);
            --color-secondary: #A3B89B;
            --color-secondary-hover: #8FA686;
            --color-bg: #F9F6F0;
            --color-bg-alt: #F1EDE6;
            --color-white: #FFFFFF;
            --color-dark: #4B3621;
            --color-text: #333333;
            --color-text-heading: #1A1A1A;
            --color-text-muted: #666666;
            --color-border: #E5E0D8;
            --color-border-light: #EEEEEE;
            --radius-sm: 8px;
            --radius-md: 12px;
            --radius-lg: 16px;
            --shadow-sm: 0 2px 8px rgba(0, 0, 0, 0.05);
            --shadow-md: 0 2px 12px rgba(0, 0, 0, 0.06);
            --shadow-lg: 0 8px 24px rgba(0, 0, 0, 0.12);
            --shadow-xl: 0 12px 36px rgba(0, 0, 0, 0.15);
            --font-family: "PingFang SC", "Microsoft YaHei", "Noto Sans SC", "Helvetica Neue", sans-serif;
            --container-max: 1200px;
            --nav-height: 64px;
            --transition: 0.25s cubic-bezier(0.4, 0, 0.2, 1);
        }

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

        html {
            scroll-behavior: smooth;
            font-size: 16px;
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
        }

        body {
            font-family: var(--font-family);
            font-size: 1rem;
            line-height: 1.7;
            color: var(--color-text);
            background-color: var(--color-bg);
            min-height: 100vh;
            overflow-x: hidden;
        }

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

        a:hover {
            color: var(--color-secondary-hover);
        }

        a:focus-visible {
            outline: 2px solid var(--color-primary);
            outline-offset: 3px;
            border-radius: 2px;
        }

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

        button {
            cursor: pointer;
            font-family: inherit;
            border: none;
            outline: none;
            transition: all var(--transition);
        }

        button:focus-visible {
            outline: 2px solid var(--color-primary);
            outline-offset: 3px;
        }

        input,
        textarea {
            font-family: inherit;
            font-size: 1rem;
            border: 1px solid var(--color-border);
            border-radius: var(--radius-sm);
            padding: 12px 16px;
            transition: all var(--transition);
            background: var(--color-white);
            color: var(--color-text);
            width: 100%;
        }

        input:focus,
        textarea:focus {
            outline: none;
            border-color: var(--color-primary);
            box-shadow: 0 0 0 3px rgba(194, 122, 74, 0.2);
        }

        .container {
            width: 100%;
            max-width: var(--container-max);
            margin: 0 auto;
            padding: 0 20px;
        }

        /* Header / Navigation */
        .site-header {
            position: fixed;
            top: 0;
            left: 0;
            right: 0;
            height: var(--nav-height);
            background: rgba(255, 255, 255, 0.92);
            backdrop-filter: blur(8px);
            -webkit-backdrop-filter: blur(8px);
            z-index: 1000;
            border-bottom: 1px solid rgba(0, 0, 0, 0.06);
            display: flex;
            align-items: center;
        }

        .site-header .container {
            display: flex;
            align-items: center;
            justify-content: space-between;
            height: 100%;
        }

        .site-logo {
            font-size: 1.5rem;
            font-weight: 700;
            color: var(--color-primary);
            text-decoration: none;
            white-space: nowrap;
            letter-spacing: 0.02em;
            transition: color var(--transition);
        }

        .site-logo:hover {
            color: var(--color-primary-hover);
        }

        .nav-links {
            display: flex;
            align-items: center;
            gap: 28px;
            list-style: none;
        }

        .nav-links a {
            color: var(--color-text);
            font-weight: 500;
            font-size: 0.95rem;
            padding: 8px 0;
            position: relative;
            transition: color var(--transition);
        }

        .nav-links a::after {
            content: '';
            position: absolute;
            bottom: 2px;
            left: 0;
            width: 0;
            height: 2px;
            background: var(--color-primary);
            border-radius: 2px;
            transition: width var(--transition);
        }

        .nav-links a:hover,
        .nav-links a.active {
            color: var(--color-primary);
        }

        .nav-links a:hover::after,
        .nav-links a.active::after {
            width: 100%;
        }

        .hamburger {
            display: none;
            flex-direction: column;
            gap: 5px;
            background: none;
            border: none;
            padding: 8px;
            cursor: pointer;
            z-index: 1001;
        }

        .hamburger span {
            display: block;
            width: 26px;
            height: 2.5px;
            background: var(--color-text-heading);
            border-radius: 2px;
            transition: all var(--transition);
        }

        .hamburger.active span:nth-child(1) {
            transform: rotate(45deg) translate(5px, 5px);
        }

        .hamburger.active span:nth-child(2) {
            opacity: 0;
        }

        .hamburger.active span:nth-child(3) {
            transform: rotate(-45deg) translate(5px, -5px);
        }

        .mobile-nav {
            display: none;
            position: fixed;
            top: var(--nav-height);
            left: 0;
            right: 0;
            background: var(--color-white);
            padding: 20px;
            border-bottom: 1px solid var(--color-border);
            box-shadow: var(--shadow-lg);
            z-index: 999;
            flex-direction: column;
            gap: 12px;
        }

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

        .mobile-nav a {
            display: block;
            padding: 12px 16px;
            color: var(--color-text);
            font-weight: 500;
            border-radius: var(--radius-sm);
            transition: all var(--transition);
        }

        .mobile-nav a:hover,
        .mobile-nav a.active {
            background: var(--color-primary-light);
            color: var(--color-primary);
        }

        /* Hero Section */
        .hero-section {
            min-height: 65vh;
            display: flex;
            align-items: center;
            position: relative;
            background: url('/assets/images/backpic/back-1.jpg') center center / cover no-repeat;
            margin-top: var(--nav-height);
            padding: 60px 0 80px;
        }

        .hero-section::before {
            content: '';
            position: absolute;
            inset: 0;
            background: rgba(0, 0, 0, 0.35);
            z-index: 1;
        }

        .hero-section .container {
            position: relative;
            z-index: 2;
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 48px;
            align-items: center;
        }

        .hero-content {
            color: #FFFFFF;
        }

        .hero-content h1 {
            font-size: 2.75rem;
            font-weight: 700;
            line-height: 1.25;
            margin-bottom: 20px;
            color: #FFFFFF;
            letter-spacing: 0.03em;
        }

        .hero-content .hero-tagline {
            font-size: 1.2rem;
            line-height: 1.7;
            margin-bottom: 16px;
            color: rgba(255, 255, 255, 0.9);
        }

        .hero-content .hero-desc {
            font-size: 1rem;
            line-height: 1.7;
            margin-bottom: 32px;
            color: rgba(255, 255, 255, 0.8);
            max-width: 520px;
        }

        .hero-buttons {
            display: flex;
            gap: 14px;
            flex-wrap: wrap;
        }

        .btn {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            padding: 13px 30px;
            border-radius: var(--radius-sm);
            font-weight: 600;
            font-size: 1rem;
            letter-spacing: 0.02em;
            transition: all var(--transition);
            min-height: 48px;
            text-decoration: none;
            white-space: nowrap;
        }

        .btn-primary {
            background: var(--color-primary);
            color: #FFFFFF;
            border: 2px solid var(--color-primary);
        }

        .btn-primary:hover {
            background: var(--color-primary-hover);
            border-color: var(--color-primary-hover);
            color: #FFFFFF;
            transform: translateY(-1px);
            box-shadow: var(--shadow-lg);
        }

        .btn-primary:active {
            transform: translateY(0);
            box-shadow: var(--shadow-sm);
        }

        .btn-ghost {
            background: transparent;
            color: #FFFFFF;
            border: 2px solid rgba(255, 255, 255, 0.7);
        }

        .btn-ghost:hover {
            background: rgba(255, 255, 255, 0.15);
            border-color: #FFFFFF;
            color: #FFFFFF;
            transform: translateY(-1px);
        }

        .btn-outline {
            background: transparent;
            color: var(--color-primary);
            border: 1px solid var(--color-primary);
        }

        .btn-outline:hover {
            background: var(--color-primary-light);
            color: var(--color-primary-hover);
            border-color: var(--color-primary-hover);
        }

        .hero-demo-cards {
            display: flex;
            flex-direction: column;
            gap: 16px;
        }

        .hero-demo-card {
            background: rgba(255, 255, 255, 0.95);
            border-radius: var(--radius-md);
            padding: 20px 24px;
            box-shadow: var(--shadow-md);
            display: flex;
            align-items: center;
            gap: 16px;
            transition: all var(--transition);
        }

        .hero-demo-card:hover {
            transform: translateY(-2px);
            box-shadow: var(--shadow-lg);
        }

        .hero-demo-card .demo-icon {
            width: 48px;
            height: 48px;
            border-radius: var(--radius-sm);
            background: var(--color-primary-light);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1.4rem;
            color: var(--color-primary);
            flex-shrink: 0;
        }

        .hero-demo-card .demo-info h3 {
            font-size: 0.95rem;
            font-weight: 600;
            color: var(--color-text-heading);
            margin-bottom: 4px;
        }

        .hero-demo-card .demo-info p {
            font-size: 0.85rem;
            color: var(--color-text-muted);
            line-height: 1.4;
        }

        /* Section Common */
        .section {
            padding: 72px 0;
        }

        .section-header {
            text-align: center;
            margin-bottom: 44px;
        }

        .section-header h2 {
            font-size: 1.75rem;
            font-weight: 700;
            color: var(--color-text-heading);
            margin-bottom: 12px;
            letter-spacing: 0.02em;
        }

        .section-header p {
            font-size: 1rem;
            color: var(--color-text-muted);
            max-width: 640px;
            margin: 0 auto;
            line-height: 1.7;
        }

        .section-label {
            display: inline-block;
            font-size: 0.85rem;
            font-weight: 600;
            color: var(--color-primary);
            background: var(--color-primary-light);
            padding: 6px 16px;
            border-radius: 20px;
            margin-bottom: 12px;
            letter-spacing: 0.04em;
        }

        /* Vertical Cards Section (竖屏种草) */
        .vertical-cards-section {
            background: var(--color-white);
        }

        .vertical-cards-scroll {
            display: flex;
            gap: 20px;
            overflow-x: auto;
            padding: 8px 4px 16px;
            scroll-snap-type: x mandatory;
            -webkit-overflow-scrolling: touch;
            scrollbar-width: thin;
            scrollbar-color: var(--color-border) transparent;
        }

        .vertical-cards-scroll::-webkit-scrollbar {
            height: 6px;
        }

        .vertical-cards-scroll::-webkit-scrollbar-track {
            background: transparent;
        }

        .vertical-cards-scroll::-webkit-scrollbar-thumb {
            background: var(--color-border);
            border-radius: 3px;
        }

        .v-card {
            flex: 0 0 260px;
            scroll-snap-align: start;
            background: var(--color-white);
            border-radius: var(--radius-lg);
            overflow: hidden;
            border: 1px solid var(--color-border-light);
            box-shadow: var(--shadow-sm);
            transition: all var(--transition);
            cursor: pointer;
        }

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

        .v-card-img {
            width: 100%;
            aspect-ratio: 3 / 4;
            object-fit: cover;
            display: block;
        }

        .v-card-body {
            padding: 16px;
        }

        .v-card-body h3 {
            font-size: 1rem;
            font-weight: 600;
            color: var(--color-text-heading);
            margin-bottom: 6px;
            line-height: 1.4;
        }

        .v-card-body p {
            font-size: 0.85rem;
            color: var(--color-text-muted);
            line-height: 1.5;
            display: -webkit-box;
            -webkit-line-clamp: 2;
            -webkit-box-orient: vertical;
            overflow: hidden;
        }

        .v-card-tag {
            display: inline-block;
            font-size: 0.75rem;
            color: var(--color-secondary);
            background: rgba(163, 184, 155, 0.15);
            padding: 3px 10px;
            border-radius: 12px;
            margin-top: 8px;
        }

        /* Hot List Section (爆款清单) */
        .hot-list-section {
            background: var(--color-bg);
        }

        .hot-list-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 20px;
        }

        .hot-item {
            display: flex;
            align-items: flex-start;
            gap: 16px;
            background: var(--color-white);
            border-radius: var(--radius-md);
            padding: 20px 24px;
            border: 1px solid var(--color-border-light);
            box-shadow: var(--shadow-sm);
            transition: all var(--transition);
            cursor: pointer;
        }

        .hot-item:hover {
            box-shadow: var(--shadow-lg);
            transform: translateY(-2px);
        }

        .hot-rank {
            flex-shrink: 0;
            width: 40px;
            height: 40px;
            border-radius: 50%;
            background: var(--color-primary-light);
            color: var(--color-primary);
            font-weight: 700;
            font-size: 1.1rem;
            display: flex;
            align-items: center;
            justify-content: center;
        }

        .hot-rank.top1 {
            background: var(--color-primary);
            color: #FFF;
        }

        .hot-rank.top2 {
            background: rgba(194, 122, 74, 0.4);
            color: #FFF;
        }

        .hot-rank.top3 {
            background: rgba(194, 122, 74, 0.25);
            color: var(--color-primary);
        }

        .hot-info h3 {
            font-size: 1rem;
            font-weight: 600;
            color: var(--color-text-heading);
            margin-bottom: 4px;
            line-height: 1.4;
        }

        .hot-info p {
            font-size: 0.85rem;
            color: var(--color-text-muted);
            line-height: 1.5;
        }

        .hot-meta {
            font-size: 0.78rem;
            color: var(--color-text-muted);
            margin-top: 6px;
            display: flex;
            gap: 16px;
        }

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

        /* Reviews Wall (评价墙) */
        .reviews-section {
            background: var(--color-white);
        }

        .reviews-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 20px;
        }

        .review-card {
            background: var(--color-bg);
            border-radius: var(--radius-md);
            padding: 24px;
            border: 1px solid var(--color-border-light);
            transition: all var(--transition);
            position: relative;
        }

        .review-card:hover {
            box-shadow: var(--shadow-md);
            transform: translateY(-2px);
        }

        .review-card::before {
            content: '"';
            position: absolute;
            top: 12px;
            right: 20px;
            font-size: 3rem;
            color: var(--color-border);
            line-height: 1;
            font-family: Georgia, serif;
        }

        .review-stars {
            color: #E8A84C;
            font-size: 1rem;
            letter-spacing: 2px;
            margin-bottom: 10px;
        }

        .review-text {
            font-size: 0.95rem;
            color: var(--color-text);
            line-height: 1.7;
            margin-bottom: 14px;
        }

        .review-author {
            display: flex;
            align-items: center;
            gap: 10px;
        }

        .review-avatar {
            width: 36px;
            height: 36px;
            border-radius: 50%;
            background: var(--color-secondary);
            display: flex;
            align-items: center;
            justify-content: center;
            color: #FFF;
            font-weight: 600;
            font-size: 0.85rem;
            flex-shrink: 0;
        }

        .review-author-name {
            font-size: 0.85rem;
            font-weight: 600;
            color: var(--color-text-heading);
        }

        .review-author-role {
            font-size: 0.75rem;
            color: var(--color-text-muted);
        }

        /* Scenario Demo Section (场景演示) */
        .scenario-section {
            background: var(--color-bg);
        }

        .scenario-steps {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 24px;
            position: relative;
        }

        .scenario-steps::before {
            content: '';
            position: absolute;
            top: 36px;
            left: 12%;
            right: 12%;
            height: 2px;
            background: var(--color-border);
            z-index: 0;
        }

        .scenario-step {
            text-align: center;
            position: relative;
            z-index: 1;
            background: var(--color-white);
            border-radius: var(--radius-md);
            padding: 28px 20px;
            border: 1px solid var(--color-border-light);
            box-shadow: var(--shadow-sm);
            transition: all var(--transition);
        }

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

        .step-number {
            width: 56px;
            height: 56px;
            border-radius: 50%;
            background: var(--color-primary);
            color: #FFF;
            font-weight: 700;
            font-size: 1.3rem;
            display: flex;
            align-items: center;
            justify-content: center;
            margin: 0 auto 16px;
            position: relative;
            z-index: 2;
        }

        .scenario-step h3 {
            font-size: 1.05rem;
            font-weight: 600;
            color: var(--color-text-heading);
            margin-bottom: 8px;
        }

        .scenario-step p {
            font-size: 0.88rem;
            color: var(--color-text-muted);
            line-height: 1.6;
        }

        .scenario-step .step-img {
            width: 100%;
            aspect-ratio: 16 / 10;
            object-fit: cover;
            border-radius: var(--radius-sm);
            margin-top: 12px;
        }

        /* Pricing Comparison (套餐对比) */
        .pricing-section {
            background: var(--color-white);
        }

        .pricing-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 24px;
            align-items: stretch;
        }

        .pricing-card {
            background: var(--color-bg);
            border-radius: var(--radius-lg);
            padding: 32px 28px;
            border: 2px solid var(--color-border-light);
            text-align: center;
            transition: all var(--transition);
            position: relative;
            display: flex;
            flex-direction: column;
        }

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

        .pricing-card.featured {
            border-color: var(--color-primary);
            background: var(--color-white);
            box-shadow: var(--shadow-md);
            transform: scale(1.03);
            z-index: 2;
        }

        .pricing-card.featured:hover {
            transform: scale(1.03) translateY(-4px);
        }

        .pricing-badge {
            position: absolute;
            top: -14px;
            left: 50%;
            transform: translateX(-50%);
            background: var(--color-primary);
            color: #FFF;
            font-size: 0.8rem;
            font-weight: 600;
            padding: 5px 18px;
            border-radius: 20px;
            white-space: nowrap;
        }

        .pricing-card h3 {
            font-size: 1.2rem;
            font-weight: 700;
            color: var(--color-text-heading);
            margin-bottom: 8px;
        }

        .pricing-card .price {
            font-size: 2.5rem;
            font-weight: 700;
            color: var(--color-primary);
            margin: 12px 0 4px;
        }

        .pricing-card .price-period {
            font-size: 0.85rem;
            color: var(--color-text-muted);
            margin-bottom: 20px;
        }

        .pricing-features {
            list-style: none;
            text-align: left;
            flex-grow: 1;
            margin-bottom: 24px;
        }

        .pricing-features li {
            padding: 8px 0;
            font-size: 0.9rem;
            color: var(--color-text);
            border-bottom: 1px solid var(--color-border-light);
            display: flex;
            align-items: center;
            gap: 8px;
        }

        .pricing-features li::before {
            content: '✓';
            color: var(--color-secondary);
            font-weight: 700;
            flex-shrink: 0;
        }

        .pricing-card .btn {
            width: 100%;
        }

        /* News Section (资讯) */
        .news-section {
            background: var(--color-bg);
        }

        .news-layout {
            display: grid;
            grid-template-columns: 1fr 340px;
            gap: 32px;
        }

        .news-list {
            display: flex;
            flex-direction: column;
            gap: 0;
        }

        .news-item {
            display: flex;
            align-items: center;
            gap: 16px;
            padding: 16px 0;
            border-bottom: 1px solid var(--color-border-light);
            transition: all var(--transition);
            cursor: pointer;
        }

        .news-item:hover {
            background: rgba(255, 255, 255, 0.5);
            padding-left: 8px;
            border-radius: var(--radius-sm);
        }

        .news-item-date {
            flex-shrink: 0;
            width: 56px;
            text-align: center;
            font-size: 0.8rem;
            color: var(--color-text-muted);
            line-height: 1.4;
        }

        .news-item-date strong {
            display: block;
            font-size: 1.3rem;
            color: var(--color-primary);
        }

        .news-item-content h3 {
            font-size: 1rem;
            font-weight: 600;
            color: var(--color-text-heading);
            margin-bottom: 4px;
            line-height: 1.4;
        }

        .news-item-content p {
            font-size: 0.85rem;
            color: var(--color-text-muted);
            line-height: 1.5;
            display: -webkit-box;
            -webkit-line-clamp: 1;
            -webkit-box-orient: vertical;
            overflow: hidden;
        }

        .news-sidebar {
            background: var(--color-white);
            border-radius: var(--radius-md);
            padding: 24px;
            border: 1px solid var(--color-border-light);
            box-shadow: var(--shadow-sm);
            align-self: flex-start;
            position: sticky;
            top: calc(var(--nav-height) + 20px);
        }

        .news-sidebar h3 {
            font-size: 1.1rem;
            font-weight: 700;
            color: var(--color-text-heading);
            margin-bottom: 16px;
            padding-bottom: 10px;
            border-bottom: 2px solid var(--color-primary);
        }

        .sidebar-topic {
            display: flex;
            align-items: center;
            gap: 10px;
            padding: 10px 0;
            border-bottom: 1px solid var(--color-border-light);
            transition: all var(--transition);
            cursor: pointer;
        }

        .sidebar-topic:hover {
            color: var(--color-primary);
        }

        .sidebar-topic .topic-count {
            flex-shrink: 0;
            background: var(--color-primary-light);
            color: var(--color-primary);
            font-size: 0.75rem;
            font-weight: 600;
            padding: 2px 10px;
            border-radius: 12px;
        }

        .sidebar-topic span:last-child {
            font-size: 0.9rem;
            font-weight: 500;
            color: var(--color-text);
        }

        /* CTA Section (加购引导) */
        .cta-section {
            background: linear-gradient(135deg, var(--color-dark) 0%, #5C4530 100%);
            padding: 64px 0;
            text-align: center;
            color: #FFFFFF;
        }

        .cta-section h2 {
            font-size: 1.75rem;
            font-weight: 700;
            margin-bottom: 12px;
            color: #FFFFFF;
        }

        .cta-section p {
            font-size: 1rem;
            color: rgba(255, 255, 255, 0.8);
            max-width: 560px;
            margin: 0 auto 28px;
            line-height: 1.7;
        }

        .cta-section .btn-primary {
            font-size: 1.05rem;
            padding: 15px 40px;
        }

        .cta-section .btn-ghost {
            border-color: rgba(255, 255, 255, 0.6);
            color: #FFF;
            margin-left: 12px;
        }

        .cta-section .btn-ghost:hover {
            background: rgba(255, 255, 255, 0.12);
            border-color: #FFF;
        }

        /* Footer */
        .site-footer {
            background: var(--color-dark);
            color: rgba(255, 255, 255, 0.75);
            padding: 48px 0 24px;
        }

        .footer-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 36px;
            margin-bottom: 32px;
        }

        .footer-col h3 {
            font-size: 1.05rem;
            font-weight: 700;
            color: #FFFFFF;
            margin-bottom: 16px;
            letter-spacing: 0.02em;
        }

        .footer-col p {
            font-size: 0.875rem;
            line-height: 1.7;
            margin-bottom: 8px;
        }

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

        .footer-col ul li {
            margin-bottom: 8px;
        }

        .footer-col ul li a {
            color: rgba(255, 255, 255, 0.7);
            font-size: 0.875rem;
            transition: color var(--transition);
        }

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

        .footer-bottom {
            border-top: 1px solid rgba(255, 255, 255, 0.12);
            padding-top: 20px;
            text-align: center;
            font-size: 0.8rem;
            color: rgba(255, 255, 255, 0.5);
        }

        .footer-bottom a {
            color: rgba(255, 255, 255, 0.6);
        }

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

        /* Responsive */
        @media (max-width: 1024px) {
            .hero-section .container {
                grid-template-columns: 1fr;
                gap: 32px;
            }

            .hero-content h1 {
                font-size: 2.2rem;
            }

            .hero-demo-cards {
                flex-direction: row;
                flex-wrap: wrap;
            }

            .hero-demo-card {
                flex: 1 1 200px;
            }

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

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

            .scenario-steps {
                grid-template-columns: repeat(2, 1fr);
                gap: 16px;
            }

            .scenario-steps::before {
                display: none;
            }

            .pricing-grid {
                grid-template-columns: repeat(2, 1fr);
                gap: 16px;
            }

            .pricing-card.featured {
                transform: none;
            }

            .pricing-card.featured:hover {
                transform: translateY(-4px);
            }

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

            .news-sidebar {
                position: static;
            }
        }

        @media (max-width: 768px) {
            .nav-links {
                display: none;
            }

            .hamburger {
                display: flex;
            }

            .hero-section {
                min-height: 55vh;
                padding: 40px 0 56px;
            }

            .hero-content h1 {
                font-size: 1.75rem;
            }

            .hero-content .hero-tagline {
                font-size: 1.05rem;
            }

            .hero-demo-cards {
                flex-direction: column;
            }

            .hero-demo-card {
                flex: 1 1 auto;
            }

            .section {
                padding: 48px 0;
            }

            .section-header h2 {
                font-size: 1.45rem;
            }

            .vertical-cards-scroll {
                gap: 14px;
            }

            .v-card {
                flex: 0 0 220px;
            }

            .hot-list-grid {
                grid-template-columns: 1fr;
            }

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

            .scenario-steps {
                grid-template-columns: 1fr;
            }

            .pricing-grid {
                grid-template-columns: 1fr;
                max-width: 420px;
                margin: 0 auto;
            }

            .pricing-card.featured {
                transform: none;
            }

            .pricing-card.featured:hover {
                transform: translateY(-4px);
            }

            .news-item {
                flex-direction: column;
                align-items: flex-start;
                gap: 8px;
            }

            .news-item-date {
                width: auto;
                text-align: left;
            }

            .news-item-date strong {
                display: inline;
                font-size: 1rem;
            }

            .footer-grid {
                grid-template-columns: 1fr;
                gap: 24px;
            }

            .cta-section .btn-ghost {
                margin-left: 0;
                margin-top: 10px;
            }

            .btn {
                padding: 12px 22px;
                font-size: 0.95rem;
                min-height: 44px;
            }

            .container {
                padding: 0 14px;
            }
        }

        @media (max-width: 520px) {
            .hero-content h1 {
                font-size: 1.5rem;
            }

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

            .hero-buttons .btn {
                width: 100%;
            }

            .v-card {
                flex: 0 0 180px;
            }

            .section-header h2 {
                font-size: 1.3rem;
            }

            .pricing-card {
                padding: 24px 18px;
            }

            .pricing-card .price {
                font-size: 2rem;
            }
        }