* {
            margin: 0;
            padding: 0;
            box-sizing: border-box;
        }
        :root {
            --primary: #4f46e5;
            --bg: #fafafa;
            --card-bg: #ffffff;
            --text-primary: #18181b;
            --text-secondary: #71717a;
            --border: #e4e4e7;
            --shadow: 0 1px 3px 0 rgb(0 0 0 / 0.1);
        }
        body {
            font-family: system-ui, -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
            background-color: var(--bg);
            color: var(--text-primary);
            line-height: 1.6;
        }
        /* 导航栏样式 */
        .navbar {
            position: fixed;
            top: 0;
            left: 0;
            right: 0;
            height: 60px;
            background-color: rgba(255, 255, 255, 0.95);
            backdrop-filter: blur(10px);
            border-bottom: 1px solid var(--border);
            z-index: 1000;
            display: flex;
            align-items: center;
            padding: 0 5%;
            justify-content: space-between;
            transition: all 0.3s ease;
        }
        .navbar.scrolled {
            box-shadow: var(--shadow);
        }
        .navbar.pure-mode {
            transform: translateY(-100%);
        }
        .logo {
            font-size: 24px;
            font-weight: 700;
            color: var(--primary);
            text-decoration: none;
        }
        .search-box {
            flex: 0 1 400px;
            position: relative;
        }
        .search-input {
            width: 100%;
            height: 40px;
            padding: 0 16px 0 40px;
            border: 1px solid var(--border);
            border-radius: 20px;
            background-color: #f4f4f5;
            font-size: 14px;
            outline: none;
            transition: all 0.2s;
        }
        .search-input:focus {
            background-color: #fff;
            border-color: var(--primary);
        }
        .search-icon {
            position: absolute;
            left: 12px;
            top: 50%;
            transform: translateY(-50%);
            width: 18px;
            height: 18px;
            fill: var(--text-secondary);
        }
        .nav-actions {
            display: flex;
            gap: 16px;
            align-items: center;
        }
        .nav-btn {
            padding: 8px 16px;
            border: none;
            border-radius: 20px;
            background-color: transparent;
            color: var(--text-primary);
            font-size: 14px;
            cursor: pointer;
            transition: all 0.2s;
            text-decoration: none;
            display: flex;
            align-items: center;
            gap: 6px;
        }
        .nav-btn:hover {
            background-color: #f4f4f5;
        }
        .nav-btn.primary {
            background-color: var(--primary);
            color: white;
        }
        .nav-btn.primary:hover {
            background-color: #4338ca;
        }
        /* 主容器 */
        .container {
            max-width: 1200px;
            margin: 0 auto;
            padding: 80px 5% 40px;
        }
        /* 首屏区域 */
        .hero-section {
            display: grid;
            grid-template-columns: 2fr 1fr;
            gap: 20px;
            margin-bottom: 40px;
            height: 500px;
        }
        .hero-main {
            border-radius: 16px;
            overflow: hidden;
            position: relative;
            cursor: pointer;
            background-color: #e4e4e7;
        }
        .hero-main img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform 0.3s ease;
        }
        .hero-main:hover img {
            transform: scale(1.03);
        }
        .hero-main-info {
            position: absolute;
            bottom: 0;
            left: 0;
            right: 0;
            padding: 30px;
            background: linear-gradient(transparent, rgba(0,0,0,0.7));
            color: white;
        }
        .hero-main-title {
            font-size: 28px;
            font-weight: 600;
            margin-bottom: 8px;
        }
        .hero-side {
            display: grid;
            grid-template-columns: 1fr 1fr;
            grid-template-rows: 1fr 1fr;
            gap: 20px;
        }
        .hero-side-card {
            border-radius: 12px;
            overflow: hidden;
            position: relative;
            cursor: pointer;
            background-color: #e4e4e7;
        }
        .hero-side-card img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform 0.3s ease;
        }
        .hero-side-card:hover img {
            transform: scale(1.03);
        }
        .hero-side-info {
            position: absolute;
            bottom: 0;
            left: 0;
            right: 0;
            padding: 12px;
            background: linear-gradient(transparent, rgba(0,0,0,0.6));
            color: white;
            font-size: 14px;
        }
        /* 分类区域 */
        .categories-section {
            margin-bottom: 40px;
        }
        .section-title {
            font-size: 22px;
            font-weight: 600;
            margin-bottom: 20px;
        }
        .categories-grid {
            display: grid;
            grid-template-columns: repeat(5, 1fr);
            gap: 16px;
        }
        .category-card {
            padding: 24px 16px;
            border-radius: 12px;
            background-color: var(--card-bg);
            border: 1px solid var(--border);
            text-align: center;
            cursor: pointer;
            transition: all 0.2s;
            text-decoration: none;
            color: inherit;
        }
        .category-card:hover {
            transform: translateY(-4px);
            box-shadow: var(--shadow);
            border-color: var(--primary);
        }
        .category-icon {
            width: 48px;
            height: 48px;
            margin: 0 auto 12px;
            fill: var(--primary);
        }
        .category-name {
            font-size: 16px;
            font-weight: 500;
            margin-bottom: 4px;
        }
        .category-desc {
            font-size: 12px;
            color: var(--text-secondary);
        }
        /* 内容瀑布流 */
        .content-section {
            margin-bottom: 40px;
        }
        .waterfall {
            columns: 3;
            column-gap: 20px;
        }
        .content-card {
            break-inside: avoid;
            margin-bottom: 20px;
            border-radius: 12px;
            overflow: hidden;
            background-color: var(--card-bg);
            border: 1px solid var(--border);
            cursor: pointer;
            transition: all 0.2s;
        }
        .content-card:hover {
            transform: translateY(-2px);
            box-shadow: var(--shadow);
        }
        .card-cover {
            width: 100%;
            display: block;
            background-color: #f4f4f5;
        }
        .card-info {
            padding: 16px;
        }
        .card-title {
            font-size: 15px;
            font-weight: 500;
            margin-bottom: 8px;
            line-height: 1.5;
        }
        .card-meta {
            display: flex;
            justify-content: space-between;
            align-items: center;
            font-size: 12px;
            color: var(--text-secondary);
        }
        .card-actions {
            display: flex;
            gap: 12px;
        }
        .action-btn {
            background: none;
            border: none;
            cursor: pointer;
            padding: 4px;
            display: flex;
            align-items: center;
            gap: 4px;
            color: var(--text-secondary);
            font-size: 12px;
            transition: all 0.2s;
        }
        .action-btn:hover {
            color: var(--primary);
        }
        .action-btn.active svg {
            fill: var(--primary);
            color: var(--primary);
        }
        .action-btn svg {
            width: 16px;
            height: 16px;
            fill: none;
            stroke: currentColor;
            stroke-width: 2;
        }
        /* 加载更多 */
        .load-more {
            text-align: center;
            padding: 20px;
        }
        .load-more-btn {
            padding: 10px 32px;
            border: 1px solid var(--border);
            border-radius: 20px;
            background-color: var(--card-bg);
            cursor: pointer;
            font-size: 14px;
            transition: all 0.2s;
        }
        .load-more-btn:hover {
            border-color: var(--primary);
            color: var(--primary);
        }
        /* 页脚 */
        .footer {
            border-top: 1px solid var(--border);
            padding: 30px 5%;
            text-align: center;
            font-size: 13px;
            color: var(--text-secondary);
        }
        .footer-links {
            display: flex;
            justify-content: center;
            gap: 24px;
            margin-bottom: 12px;
        }
        .footer-links a {
            color: var(--text-secondary);
            text-decoration: none;
        }
        .footer-links a:hover {
            color: var(--primary);
        }
        /* Toast提示 */
        .toast {
            position: fixed;
            top: 80px;
            left: 50%;
            transform: translateX(-50%) translateY(-20px);
            padding: 12px 24px;
            background-color: rgba(0,0,0,0.8);
            color: white;
            border-radius: 8px;
            font-size: 14px;
            z-index: 9999;
            opacity: 0;
            pointer-events: none;
            transition: all 0.3s;
        }
        .toast.show {
            opacity: 1;
            transform: translateX(-50%) translateY(0);
        }
        /* 响应式适配 */
        @media (max-width: 1024px) {
            .waterfall {
                columns: 2;
            }
            .categories-grid {
                grid-template-columns: repeat(3, 1fr);
            }
            .hero-section {
                grid-template-columns: 1fr;
                height: auto;
            }
            .hero-main {
                height: 300px;
            }
        }
        @media (max-width: 768px) {
            .waterfall {
                columns: 1;
            }
            .categories-grid {
                grid-template-columns: repeat(2, 1fr);
                overflow-x: auto;
            }
            .search-box {
                display: none;
            }
            .hero-side {
                gap: 10px;
            }
            .container {
                padding: 70px 20px 30px;
            }
        }