* {
            margin: 0;
            padding: 0;
            box-sizing: border-box;
        }
        :root {
            --primary: #FF6B35;
            --primary-light: #FF8A5B;
            --bg-main: #FFF8F0;
            --bg-card: #FFFFFF;
            --text-primary: #2D3142;
            --text-secondary: #6B7280;
            --radius: 16px;
            --transition: all 0.3s cubic-bezier(0.25, 0.46, 0.45, 0.94);
        }
        html {
            scroll-behavior: smooth;
        }
        body {
            background-color: var(--bg-main);
            color: var(--text-primary);
            font-family: "PingFang SC", "Microsoft YaHei", sans-serif;
            line-height: 1.6;
            overflow-x: hidden;
        }
        /* 渐变背景装饰 */
        body::before {
            content: '';
            position: fixed;
            top: -20%;
            right: -10%;
            width: 600px;
            height: 600px;
            background: radial-gradient(circle, rgba(255, 107, 53, 0.1) 0%, transparent 70%);
            border-radius: 50%;
            z-index: -1;
        }
        /* 固定导航栏（清新活力） */
        .site-header {
            position: fixed;
            top: 0;
            left: 0;
            width: 100%;
            z-index: 99;
            background-color: rgba(255, 248, 240, 0.95);
            backdrop-filter: blur(10px);
            border-bottom: 1px solid rgba(255, 107, 53, 0.1);
            transition: var(--transition);
        }
        .site-header.scrolled {
            box-shadow: 0 4px 20px rgba(255, 107, 53, 0.1);
        }
        /* 面包屑导航 */
        .breadcrumb {
            font-size: 14px;
            color: var(--text-secondary);
            margin-bottom: 24px;
        }
        .breadcrumb a {
            color: var(--primary);
            transition: var(--transition);
        }
        .breadcrumb a:hover {
            opacity: 0.8;
        }
        /* 影视卡片（清新活力渐变） */
        .film-card {
            position: relative;
            border-radius: var(--radius);
            overflow: hidden;
            background: linear-gradient(135deg, #FFFFFF 0%, #FFF8F0 100%);
            border: 1px solid rgba(255, 107, 53, 0.1);
            transition: var(--transition);
            cursor: pointer;
        }
        .film-card:hover {
            transform: translateY(-8px);
            box-shadow: 0 12px 30px rgba(255, 107, 53, 0.15);
            border-color: var(--primary-light);
        }
        /* 活力播放特效 */
        .play-icon {
            position: absolute;
            top: 50%;
            left: 50%;
            transform: translate(-50%, -50%) scale(0);
            width: 52px;
            height: 52px;
            background: linear-gradient(135deg, var(--primary), var(--primary-light));
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            z-index: 10;
            transition: var(--transition);
        }
        .play-icon::after {
            content: '';
            width: 0;
            height: 0;
            border-top: 9px solid transparent;
            border-bottom: 9px solid transparent;
            border-left: 14px solid #fff;
            margin-left: 2px;
        }
        .film-card:hover .play-icon {
            transform: translate(-50%, -50%) scale(1);
        }
        /* 柔和遮罩 */
        .film-card::before {
            content: '';
            position: absolute;
            inset: 0;
            background: linear-gradient(to top, rgba(45, 49, 66, 0.8) 0%, transparent 60%);
            opacity: 0;
            transition: var(--transition);
            z-index: 5;
        }
        .film-card:hover::before {
            opacity: 1;
        }
        /* 图片懒加载 */
        .film-poster {
            display: block;
            width: 100%;
            aspect-ratio: 2/3;
            object-fit: cover;
        }
        img[loading="lazy"] {
            opacity: 0;
            transition: opacity 0.4s ease;
        }
        img.loaded {
            opacity: 1;
        }
        /* SEO分类标题（活力渐变） */
        .section-title {
            font-size: 22px;
            font-weight: 600;
            color: var(--text-primary);
            margin-bottom: 24px;
            display: flex;
            align-items: center;
        }
        .section-title::before {
            content: '';
            width: 6px;
            height: 24px;
            background: linear-gradient(180deg, var(--primary), var(--primary-light));
            margin-right: 12px;
            border-radius: 4px;
        }
        /* 快捷分类按钮（活力渐变） */
        .category-btn {
            background: linear-gradient(135deg, #FFFFFF 0%, #FFF8F0 100%);
            border: 1px solid rgba(255, 107, 53, 0.2);
            color: var(--text-primary);
            padding: 10px 20px;
            border-radius: 12px;
            transition: var(--transition);
            cursor: pointer;
            text-align: center;
        }
        .category-btn:hover {
            background: linear-gradient(135deg, var(--primary), var(--primary-light));
            color: #006400;
            border-color: transparent;
            transform: translateY(-2px);
        }
        /* 移动端适配 */
        @media (max-width: 768px) {
            .section-title {
                font-size: 18px;
            }
            .breadcrumb {
                font-size: 12px;
            }
        }