:root {
        --primary: #2563eb;
        --accent: #06b6d4;
        --bg: #f4f8ff;
        --text: #0f1e3d;
        --text-light: #5b6b8c;
        --border: #e3ecf9;
        --card-shadow: 0 2px 12px rgba(37, 99, 235, 0.06);
        --card-shadow-hover: 0 12px 32px rgba(37, 99, 235, 0.14);
    }

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

    body {
        font-family: 'Inter', -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
        background-color: var(--bg);
        color: var(--text);
        line-height: 1.6;
        overflow-x: hidden;
    }

    /* 导航栏 */
    .site-nav {
        background: rgba(255, 255, 255, 0.85);
        backdrop-filter: blur(14px);
        -webkit-backdrop-filter: blur(14px);
        border-bottom: 1px solid var(--border);
        position: sticky;
        top: 0;
        z-index: 1000;
        padding: 0.6rem 0;
    }

    .navbar-brand {
        font-weight: 900;
        font-size: 1.5rem;
        color: var(--text);
        letter-spacing: -0.02em;
        display: inline-flex;
        align-items: center;
        gap: 8px;
        text-decoration: none;
    }

    .navbar-brand i {
        color: var(--primary);
        font-size: 1.6rem;
    }

    .nav-links {
        display: flex;
        gap: 2rem;
        align-items: center;
        margin-left: auto;
    }

    .nav-links a {
        text-decoration: none;
        color: var(--text);
        font-weight: 500;
        font-size: 0.95rem;
        transition: color 0.2s;
    }

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

    .hamburger {
        display: none;
        background: none;
        border: none;
        font-size: 1.8rem;
        color: var(--text);
        cursor: pointer;
    }

    @media (max-width: 992px) {
        .nav-links {
            display: none;
            position: absolute;
            top: 100%;
            left: 0;
            right: 0;
            background: #fff;
            flex-direction: column;
            padding: 1rem 2rem;
            border-bottom: 1px solid var(--border);
            box-shadow: 0 8px 24px rgba(0,0,0,0.05);
            gap: 1rem;
            align-items: flex-start;
        }
        .nav-links.open {
            display: flex;
        }
        .hamburger {
            display: block;
        }
    }

    /* 英雄区 */
    .hero-section {
        position: relative;
        background: linear-gradient(135deg, #0b1834 0%, #1a2d5c 50%, #2563eb 100%);
        min-height: 70vh;
        display: flex;
        align-items: center;
        justify-content: center;
        overflow: hidden;
        border-radius: 0 0 32px 32px;
    }

    .hero-section::before {
        content: '';
        position: absolute;
        inset: 0;
        background: url('{随机图片}') center/cover no-repeat;
        opacity: 0.25;
        filter: blur(2px);
        transform: scale(1.1);
    }

    .hero-content {
        position: relative;
        z-index: 2;
        text-align: center;
        padding: 4rem 1.5rem;
        color: #fff;
        max-width: 900px;
    }

    .hero-content h1 {
        font-size: clamp(2.5rem, 5vw, 4rem);
        font-weight: 900;
        letter-spacing: -0.02em;
        margin-bottom: 1rem;
        text-shadow: 0 4px 24px rgba(0,0,0,0.3);
    }

    .hero-content p {
        font-size: 1.2rem;
        opacity: 0.9;
        max-width: 600px;
        margin: 0 auto 2rem;
        font-weight: 300;
        text-shadow: 0 2px 12px rgba(0,0,0,0.4);
    }

    .hero-btn {
        display: inline-block;
        padding: 0.8rem 2.2rem;
        background: #fff;
        color: var(--primary);
        font-weight: 700;
        border-radius: 50px;
        text-decoration: none;
        font-size: 1rem;
        box-shadow: 0 8px 24px rgba(0,0,0,0.2);
        transition: all 0.3s;
        border: none;
    }

    .hero-btn:hover {
        transform: translateY(-2px);
        box-shadow: 0 12px 32px rgba(0,0,0,0.3);
        color: var(--accent);
    }

    /* 区块通用 */
    .section-block {
        padding: 4rem 0;
    }

    .section-header {
        display: flex;
        align-items: center;
        justify-content: space-between;
        margin-bottom: 2.5rem;
    }

    .section-title {
        font-size: 1.8rem;
        font-weight: 800;
        letter-spacing: -0.02em;
        display: flex;
        align-items: center;
        gap: 10px;
    }

    .section-title i {
        color: var(--primary);
        font-size: 1.6rem;
    }

    .section-more {
        color: var(--primary);
        text-decoration: none;
        font-weight: 600;
        font-size: 0.9rem;
        transition: all 0.2s;
    }

    .section-more:hover {
        color: var(--accent);
        transform: translateX(4px);
    }

    /* 影片卡片 */
    .movie-card {
        background: #fff;
        border-radius: 8px;
        overflow: hidden;
        box-shadow: var(--card-shadow);
        transition: transform 0.3s ease, box-shadow 0.3s ease, border-color 0.3s;
        border: 2px solid transparent;
        cursor: pointer;
        height: 100%;
        display: flex;
        flex-direction: column;
    }

    .movie-card:hover {
        transform: translateY(-6px) scale(1.02);
        box-shadow: var(--card-shadow-hover);
        border-color: var(--primary);
    }

    .movie-poster {
        position: relative;
        aspect-ratio: 2/3;
        overflow: hidden;
        background: linear-gradient(145deg, #eef4ff, #dfe9ff);
    }

    .movie-poster img {
        width: 100%;
        height: 100%;
        object-fit: cover;
        transition: transform 0.4s ease;
        opacity: 0;
        animation: imgFadeIn 0.6s forwards;
    }

    @keyframes imgFadeIn {
        to { opacity: 1; }
    }

    .badge-quality {
        position: absolute;
        top: 10px;
        right: 10px;
        background: rgba(15, 30, 61, 0.85);
        color: #fff;
        padding: 0.25rem 0.6rem;
        border-radius: 4px;
        font-size: 0.7rem;
        font-weight: 700;
        backdrop-filter: blur(4px);
        letter-spacing: 0.05em;
    }

    .badge-4k {
        background: linear-gradient(135deg, #2563eb, #06b6d4);
    }

    .movie-info {
        padding: 0.9rem;
        flex-grow: 1;
        display: flex;
        flex-direction: column;
        gap: 0.3rem;
    }

    .movie-name {
        font-weight: 700;
        font-size: 0.95rem;
        color: var(--text);
        line-height: 1.3;
        white-space: nowrap;
        overflow: hidden;
        text-overflow: ellipsis;
    }

    .movie-meta {
        display: flex;
        justify-content: space-between;
        align-items: center;
        font-size: 0.8rem;
        color: var(--text-light);
    }

    .movie-rating {
        color: #f59e0b;
        font-weight: 700;
        display: flex;
        align-items: center;
        gap: 3px;
    }

    .movie-type {
        background: rgba(37, 99, 235, 0.08);
        color: var(--primary);
        padding: 0.15rem 0.5rem;
        border-radius: 4px;
        font-size: 0.7rem;
        font-weight: 600;
    }

    /* 轮播区 */
    .carousel-section {
        padding-top: 3rem;
        padding-bottom: 1rem;
    }

    .carousel-card {
        padding: 0 0.5rem;
    }

    /* 今日更新 */
    .update-section {
        background: #fff;
        border-radius: 16px;
        padding: 2rem;
        box-shadow: var(--card-shadow);
    }

    .update-badge {
        background: var(--accent);
        color: #fff;
        border-radius: 4px;
        padding: 0.2rem 0.6rem;
        font-size: 0.75rem;
        font-weight: 600;
        margin-left: 8px;
    }

    /* 榜单 */
    .rank-section {
        background: linear-gradient(180deg, #f0f6ff, #fff);
        border-radius: 16px;
        padding: 2rem;
    }

    .rank-item {
        display: flex;
        align-items: center;
        gap: 1rem;
        padding: 0.8rem 0;
        border-bottom: 1px solid var(--border);
        transition: all 0.2s;
    }

    .rank-item:hover {
        background: rgba(37, 99, 235, 0.03);
        padding-left: 0.5rem;
        border-radius: 8px;
    }

    .rank-num {
        font-size: 1.4rem;
        font-weight: 900;
        color: var(--primary);
        min-width: 36px;
        text-align: center;
    }

    .rank-num.top1 { color: #f59e0b; }
    .rank-num.top2 { color: #94a3b8; }
    .rank-num.top3 { color: #d97706; }

    .rank-info {
        flex-grow: 1;
    }

    .rank-title {
        font-weight: 600;
        font-size: 0.95rem;
    }

    .rank-sub {
        font-size: 0.8rem;
        color: var(--text-light);
    }

    .rank-heat {
        font-size: 0.85rem;
        color: var(--accent);
        font-weight: 600;
        white-space: nowrap;
    }

    /* 手风琴 */
    .accordion-item {
        border: 1px solid var(--border);
        border-radius: 8px !important;
        margin-bottom: 0.8rem;
        overflow: hidden;
        background: #fff;
    }

    .accordion-button {
        font-weight: 600;
        color: var(--text);
        background: #fff;
        padding: 1rem 1.2rem;
    }

    .accordion-button:not(.collapsed) {
        background: rgba(37, 99, 235, 0.04);
        color: var(--primary);
    }

    .accordion-body {
        color: var(--text-light);
        line-height: 1.7;
        padding: 1rem 1.2rem;
    }

    /* 类型科普 */
    .type-chip {
        display: inline-block;
        padding: 0.4rem 1.2rem;
        background: #fff;
        border: 1px solid var(--border);
        border-radius: 50px;
        font-size: 0.85rem;
        font-weight: 500;
        margin: 0.3rem;
        transition: all 0.2s;
        cursor: pointer;
        color: var(--text);
        text-decoration: none;
    }

    .type-chip:hover {
        background: var(--primary);
        color: #fff;
        border-color: var(--primary);
    }

    /* 心情选片 */
    .mood-card {
        background: #fff;
        border-radius: 8px;
        padding: 1.5rem;
        text-align: center;
        border: 1px solid var(--border);
        transition: all 0.3s;
        height: 100%;
        cursor: pointer;
        text-decoration: none;
        color: var(--text);
        display: block;
    }

    .mood-card:hover {
        transform: translateY(-4px);
        box-shadow: var(--card-shadow-hover);
        color: var(--primary);
    }

    .mood-icon {
        font-size: 2.5rem;
        margin-bottom: 0.8rem;
        color: var(--primary);
    }

    .mood-card h5 {
        font-weight: 700;
        font-size: 1.1rem;
        margin-bottom: 0.3rem;
    }

    .mood-card p {
        font-size: 0.85rem;
        color: var(--text-light);
        margin: 0;
    }

    /* 友链 */
    .friend-links {
        background: #fff;
        border-radius: 16px;
        padding: 2rem;
        margin-top: 2rem;
    }

    .friend-links a {
        color: var(--text-light);
        text-decoration: none;
        font-size: 0.9rem;
        margin: 0 0.8rem 0.5rem 0;
        display: inline-block;
    }

    .friend-links a:hover {
        color: var(--primary);
    }

    /* 页脚 */
    .site-footer {
        background: #0b1834;
        color: rgba(255,255,255,0.7);
        padding: 3rem 0 2rem;
        margin-top: 4rem;
    }

    .site-footer h5 {
        color: #fff;
        font-weight: 700;
        margin-bottom: 1.2rem;
    }

    .site-footer a {
        color: rgba(255,255,255,0.6);
        text-decoration: none;
        display: block;
        margin-bottom: 0.5rem;
        font-size: 0.9rem;
    }

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

    .footer-bottom {
        border-top: 1px solid rgba(255,255,255,0.1);
        padding-top: 1.5rem;
        margin-top: 2rem;
        text-align: center;
        font-size: 0.85rem;
    }

    /* 弹窗 */
    .movie-modal {
        display: none;
        position: fixed;
        inset: 0;
        z-index: 2000;
        background: rgba(11, 24, 52, 0.9);
        backdrop-filter: blur(12px);
        overflow-y: auto;
    }

    .movie-modal.open {
        display: block;
    }

    .modal-content-wrapper {
        min-height: 100%;
        display: flex;
        align-items: center;
        justify-content: center;
        padding: 2rem;
    }

    .modal-inner {
        background: rgba(255,255,255,0.08);
        border: 1px solid rgba(255,255,255,0.2);
        border-radius: 16px;
        padding: 2rem;
        max-width: 640px;
        width: 100%;
        color: #fff;
        position: relative;
    }

    .modal-close {
        position: absolute;
        top: 1rem;
        right: 1rem;
        background: rgba(255,255,255,0.15);
        border: none;
        color: #fff;
        width: 36px;
        height: 36px;
        border-radius: 50%;
        font-size: 1.2rem;
        cursor: pointer;
        transition: all 0.2s;
        display: flex;
        align-items: center;
        justify-content: center;
    }

    .modal-close:hover {
        background: rgba(255,255,255,0.3);
        transform: rotate(90deg);
    }

    .modal-title {
        font-size: 1.8rem;
        font-weight: 800;
        margin-bottom: 0.5rem;
    }

    .modal-badge {
        display: inline-block;
        padding: 0.3rem 0.8rem;
        background: rgba(37, 99, 235, 0.3);
        border-radius: 6px;
        font-size: 0.85rem;
        font-weight: 600;
        margin-right: 0.5rem;
        margin-bottom: 0.5rem;
    }

    .modal-rating {
        color: #f59e0b;
        font-size: 1.6rem;
        font-weight: 800;
        display: flex;
        align-items: center;
        gap: 8px;
        margin: 1rem 0;
    }

    .modal-info {
        margin-bottom: 0.8rem;
        font-size: 0.95rem;
        line-height: 1.6;
    }

    .modal-info strong {
        color: #fff;
        margin-right: 6px;
    }

    .modal-plot {
        background: rgba(255,255,255,0.08);
        padding: 1rem;
        border-radius: 8px;
        font-size: 0.9rem;
        line-height: 1.7;
        margin-top: 1rem;
    }

    /* 数字滚动 */
    .stat-item {
        text-align: center;
        padding: 1rem;
    }

    .stat-num {
        font-size: 2.2rem;
        font-weight: 900;
        color: var(--primary);
    }

    .stat-label {
        font-size: 0.9rem;
        color: var(--text-light);
        margin-top: 0.3rem;
    }

    /* 图片懒加载占位 */
    .img-placeholder {
        background: linear-gradient(135deg, #e8f0fe, #d4e4ff);
        position: relative;
    }

    /* 响应式 */
    @media (max-width: 768px) {
        .section-block {
            padding: 2.5rem 0;
        }
        .section-title {
            font-size: 1.4rem;
        }
        .hero-content h1 {
            font-size: 2.5rem;
        }
        .hero-content p {
            font-size: 1rem;
        }
    }

/* --- 子页面追加 --- */
/* 本页专属样式 —— 关于页 */
        .about-hero {
            padding: 80px 0 60px;
            background: linear-gradient(135deg, rgba(37,99,235,0.05) 0%, rgba(6,182,212,0.08) 100%);
            border-bottom: 1px solid var(--border);
        }
.about-hero h1 {
            font-size: 2.5rem;
            font-weight: 800;
            color: var(--text);
            margin-bottom: 16px;
            line-height: 1.3;
        }
.about-hero .lead {
            font-size: 1.15rem;
            color: var(--text-light);
            max-width: 720px;
            margin: 0 auto;
            line-height: 1.8;
        }
.about-section {
            padding: 70px 0;
            border-bottom: 1px solid var(--border);
        }
.about-section:last-child {
            border-bottom: none;
        }
.about-section .section-inner {
            max-width: 860px;
            margin: 0 auto;
        }
.about-section h2 {
            font-size: 1.75rem;
            font-weight: 700;
            color: var(--text);
            margin-bottom: 20px;
            position: relative;
            padding-left: 18px;
        }
.about-section h2::before {
            content: '';
            position: absolute;
            left: 0;
            top: 6px;
            bottom: 6px;
            width: 4px;
            border-radius: 4px;
            background: linear-gradient(180deg, var(--primary), var(--accent));
        }
.about-section p {
            color: var(--text-light);
            line-height: 1.9;
            font-size: 1rem;
            margin-bottom: 16px;
        }
.about-section p strong {
            color: var(--text);
            font-weight: 600;
        }
.feature-grid {
            display: grid;
            grid-template-columns: repeat(auto-fill, minmax(240px, 1fr));
            gap: 20px;
            margin-top: 30px;
        }
.feature-item {
            background: #fff;
            border: 1px solid var(--border);
            border-radius: 14px;
            padding: 24px 20px;
            transition: box-shadow 0.3s ease, transform 0.3s ease;
        }
.feature-item:hover {
            box-shadow: var(--card-shadow-hover);
            transform: translateY(-4px);
        }
.feature-item i {
            font-size: 1.8rem;
            color: var(--primary);
            margin-bottom: 14px;
            display: inline-block;
        }
.feature-item h3 {
            font-size: 1.05rem;
            font-weight: 600;
            color: var(--text);
            margin-bottom: 8px;
        }
.feature-item p {
            font-size: 0.9rem;
            color: var(--text-light);
            line-height: 1.6;
            margin-bottom: 0;
        }
.timeline {
            margin-top: 30px;
            position: relative;
            padding-left: 28px;
        }
.timeline::before {
            content: '';
            position: absolute;
            left: 8px;
            top: 8px;
            bottom: 8px;
            width: 2px;
            background: linear-gradient(180deg, var(--primary), var(--accent));
            border-radius: 2px;
            opacity: 0.4;
        }
.timeline-item {
            position: relative;
            margin-bottom: 28px;
        }
.timeline-item:last-child {
            margin-bottom: 0;
        }
.timeline-item::before {
            content: '';
            position: absolute;
            left: -24px;
            top: 6px;
            width: 12px;
            height: 12px;
            border-radius: 50%;
            background: var(--primary);
            border: 3px solid #fff;
            box-shadow: 0 0 0 2px var(--primary);
        }
.timeline-item .year {
            font-size: 0.9rem;
            font-weight: 600;
            color: var(--primary);
            margin-bottom: 6px;
        }
.timeline-item p {
            margin-bottom: 0;
        }
.stat-row {
            display: flex;
            flex-wrap: wrap;
            gap: 24px;
            margin-top: 30px;
        }
.stat-item .num {
            font-size: 2.2rem;
            font-weight: 800;
            color: var(--primary);
            line-height: 1;
            margin-bottom: 8px;
        }
.stat-item .label {
            font-size: 0.9rem;
            color: var(--text-light);
            font-weight: 500;
        }
.note-box {
            background: rgba(37,99,235,0.04);
            border: 1px solid var(--border);
            border-radius: 12px;
            padding: 20px 24px;
            margin-top: 28px;
            display: flex;
            gap: 14px;
            align-items: flex-start;
        }
.note-box i {
            color: var(--primary);
            font-size: 1.3rem;
            margin-top: 2px;
        }
.note-box p {
            margin-bottom: 0;
            font-size: 0.95rem;
        }
.about-hero { padding: 50px 0 40px; }
.about-hero h1 { font-size: 1.9rem; }
.about-section { padding: 50px 0; }
.about-section h2 { font-size: 1.45rem; }
.feature-grid { grid-template-columns: 1fr; }
.stat-row { flex-direction: column; gap: 14px; }

/* --- Bootstrap 组件配色适配(程序自动补,避免白底黑字) --- */
.accordion-header { background:transparent !important; }