:root {
            --primary: #e50914;
            --accent: #f5c518;
            --bg-dark: #0b0b0f;
            --text-light: #f5f5f7;
            --border-thick: 3px solid #1f1f2e;
            --hard-shadow: 8px 8px 0px 0px rgba(0, 0, 0, 0.8);
            --radius: 0px;
            --font-head: 'Inter', 'Source Han Serif SC', serif;
            --font-body: 'Inter', 'Source Han Sans SC', sans-serif;
        }

        body {
            background-color: var(--bg-dark);
            color: var(--text-light);
            font-family: var(--font-body);
            letter-spacing: 0.02em;
            line-height: 1.7;
        }

        h1, h2, h3, h4, h5, .navbar-brand, .display-title {
            font-family: var(--font-head);
            font-weight: 700;
            color: var(--text-light);
        }

        /* 直角、粗边框、硬阴影 */
        .sharp-card, .navbar, .hero-section, .section-box, .movie-card, .rank-item, .genre-tag, .accordion-item, .footer-block {
            border-radius: var(--radius) !important;
            border: var(--border-thick);
        }

        .sharp-card {
            box-shadow: var(--hard-shadow);
            background: #14141e;
            transition: transform 0.15s ease, box-shadow 0.2s;
        }

        .sharp-card:hover {
            transform: translate(-2px, -4px);
            box-shadow: 12px 12px 0px 0px rgba(0, 0, 0, 0.9);
        }

        /* 导航 */
        .navbar-custom {
            background: #0b0b0f;
            border-bottom: 3px solid #1f1f2e;
            border-radius: 0;
        }
        .navbar-custom .nav-link {
            color: var(--text-light);
            font-weight: 600;
            margin: 0 0.2rem;
            border-bottom: 2px solid transparent;
        }
        .navbar-custom .nav-link:hover {
            color: var(--accent);
            border-bottom-color: var(--accent);
        }
        .navbar-brand {
            font-size: 1.8rem;
            font-weight: 900;
            color: var(--accent) !important;
        }

        /* Hero 视差 */
        .hero-section {
            background: linear-gradient(135deg, #0b0b0f 0%, #1a1a2e 100%);
            position: relative;
            overflow: hidden;
            border-bottom: 4px solid #1f1f2e;
            border-radius: 0;
        }
        .hero-bg-parallax {
            background-image: url('{随机图片}');
            background-size: cover;
            background-position: center 20%;
            background-attachment: fixed;
            position: absolute;
            inset: 0;
            opacity: 0.25;
            z-index: 1;
            transform: scale(1.1);
        }
        .hero-content {
            position: relative;
            z-index: 3;
            padding: 5rem 0;
        }
        .hero-title {
            font-size: 4rem;
            font-weight: 900;
            background: linear-gradient(135deg, var(--accent) 0%, #fff 60%, var(--primary) 100%);
            -webkit-background-clip: text;
            background-clip: text;
            color: transparent;
            text-shadow: 6px 6px 0 rgba(0,0,0,0.7);
        }
        .float-icon {
            position: absolute;
            font-size: 3rem;
            opacity: 0.2;
            color: var(--accent);
            z-index: 2;
            animation: float 6s ease-in-out infinite;
        }
        @keyframes float {
            0% { transform: translateY(0px) rotate(-3deg); }
            50% { transform: translateY(-15px) rotate(3deg); }
            100% { transform: translateY(0px) rotate(-3deg); }
        }

        /* 区块通用 */
        .section-box {
            background: #101018;
            padding: 2rem 1.5rem;
            margin-top: 2.5rem;
            border: 3px solid #1f1f2e;
            box-shadow: var(--hard-shadow);
        }
        .section-title {
            border-left: 8px solid var(--primary);
            padding-left: 1rem;
            margin-bottom: 2rem;
            font-weight: 800;
            display: inline-block;
        }

        /* 影片卡片 */
        .movie-card {
            background: #1a1a28;
            transition: transform 0.2s, box-shadow 0.2s;
            cursor: pointer;
            box-shadow: 4px 4px 0 0 #000;
            border: 2px solid #2a2a3a;
            transform-style: preserve-3d;
            position: relative;
            min-height: 360px;
        }
        .movie-card:hover {
            transform: translateY(-6px);
            box-shadow: 8px 8px 0 0 #000;
        }
        .movie-poster {
            width: 100%;
            height: 240px;
            object-fit: cover;
            background: #2a2a3a;
            border-bottom: 2px solid #2a2a3a;
        }
        .movie-info {
            padding: 0.75rem;
        }
        .rating-badge {
            background: var(--primary);
            color: #fff;
            font-weight: 700;
            padding: 0.1rem 0.5rem;
            font-size: 0.8rem;
        }

        /* 翻转卡片弹窗 (使用CSS翻转) */
        .flip-card {
            position: relative;
            width: 100%;
            height: 100%;
            min-height: 360px;
            transition: transform 0.5s ease;
            transform-style: preserve-3d;
        }
        .flip-card.flipped {
            transform: rotateY(180deg);
        }
        .flip-front, .flip-back {
            position: absolute;
            width: 100%;
            height: 100%;
            backface-visibility: hidden;
            border-radius: 0;
            background: #1a1a28;
        }
        .flip-back {
            transform: rotateY(180deg);
            background: #0f0f18;
            border: 2px solid #2a2a3a;
            padding: 1rem;
            overflow-y: auto;
            display: flex;
            flex-direction: column;
        }

        /* 胶囊标签 */
        .genre-tag {
            background: #2a2a3a;
            color: var(--accent);
            padding: 0.2rem 0.8rem;
            display: inline-block;
            margin-right: 0.3rem;
            border: 2px solid #3a3a4a;
            font-weight: 600;
            font-size: 0.75rem;
            text-transform: uppercase;
        }

        /* 奖牌 */
        .rank-medal {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            width: 28px;
            height: 28px;
            font-weight: 900;
            background: #2a2a3a;
            color: var(--accent);
            margin-right: 8px;
        }
        .rank-1 { background: #ffd700; color: #111; }
        .rank-2 { background: #c0c0c0; color: #111; }
        .rank-3 { background: #cd7f32; color: #111; }

        /* 滚动淡入 */
        .fade-up {
            opacity: 0;
            transform: translateY(30px);
            transition: opacity 0.7s ease, transform 0.7s ease;
        }
        .fade-up.visible {
            opacity: 1;
            transform: translateY(0);
        }

        /* 手风琴 */
        .accordion-button {
            background: #1a1a28;
            color: var(--text-light);
            border-radius: 0 !important;
            border: 2px solid #2a2a3a;
            font-weight: 600;
        }
        .accordion-button:not(.collapsed) {
            background: var(--primary);
            color: #fff;
        }

        /* 友链 */
        .friend-links a {
            color: var(--accent);
            text-decoration: none;
            margin-right: 1rem;
            border-bottom: 1px dashed;
        }

        /* footer */
        footer {
            border-top: 3px solid #1f1f2e;
            background: #07070a;
            color: #aaa;
            padding: 2rem 0;
            margin-top: 3rem;
        }

/* --- 子页面追加 --- */
background: linear-gradient(135deg, rgba(229,9,20,0.15) 0%, rgba(11,11,15,0.9) 70%), 
                        url(' {随机图片}
.about-hero::after {
            content: '';
            position: absolute;
            bottom: -2px;
            left: 0;
            right: 0;
            height: 4px;
            background: var(--primary);
        }
.about-section {
            padding: 70px 0;
            border-bottom: 1px solid #1f1f2e;
        }
.about-section:last-of-type {
            border-bottom: none;
        }
.about-card {
            background: rgba(255,255,255,0.03);
            border: 1px solid #1f1f2e;
            padding: 30px;
            margin-bottom: 30px;
            transition: transform 0.3s ease, box-shadow 0.3s ease;
        }
.about-card:hover {
            transform: translateY(-5px);
            box-shadow: var(--hard-shadow);
        }
.about-card .icon-circle {
            width: 60px;
            height: 60px;
            background: var(--primary);
            color: #fff;
            font-size: 24px;
            display: flex;
            align-items: center;
            justify-content: center;
            margin-bottom: 20px;
            border: 2px solid #fff;
            box-shadow: 4px 4px 0 rgba(0,0,0,0.6);
        }
.stat-number {
            font-size: 3rem;
            font-weight: 900;
            color: var(--accent);
            font-family: var(--font-head);
        }
.stat-label {
            color: rgba(255,255,255,0.7);
            font-size: 0.9rem;
            text-transform: uppercase;
            letter-spacing: 2px;
        }
.timeline-item {
            position: relative;
            padding-left: 30px;
            padding-bottom: 40px;
            border-left: 2px solid #1f1f2e;
        }
.timeline-item::before {
            content: '';
            position: absolute;
            left: -8px;
            top: 0;
            width: 14px;
            height: 14px;
            background: var(--primary);
            border: 2px solid #fff;
        }
.timeline-item:last-child {
            border-left: 2px solid transparent;
        }
.timeline-year {
            font-family: var(--font-head);
            font-weight: 800;
            color: var(--accent);
            font-size: 1.2rem;
        }
.feature-list {
            list-style: none;
            padding: 0;
        }
.feature-list li {
            padding: 10px 0;
            border-bottom: 1px dashed #1f1f2e;
            display: flex;
            align-items: center;
            gap: 12px;
        }
.feature-list li:last-child {
            border-bottom: none;
        }
.feature-list i {
            color: var(--accent);
            width: 24px;
            text-align: center;
        }
.about-cta {
            background: var(--primary);
            color: #fff;
            padding: 50px 0;
            text-align: center;
            border-top: var(--border-thick);
            border-bottom: var(--border-thick);
        }
.about-cta h2 {
            font-family: var(--font-head);
            font-weight: 900;
            font-size: 2rem;
        }
.about-cta .btn-custom {
            background: #fff;
            color: var(--primary);
            border: 2px solid #fff;
            padding: 12px 40px;
            font-weight: 700;
            text-transform: uppercase;
            letter-spacing: 2px;
            transition: all 0.3s;
            text-decoration: none;
            display: inline-block;
        }
.about-cta .btn-custom:hover {
            background: transparent;
            color: #fff;
        }

/* --- 子页面追加 --- */
.disclaimer-hero {
            background: linear-gradient(135deg, rgba(11,11,15,.95) 0%, rgba(229,9,20,.15) 100%), var(--bg-dark);
            padding: 80px 0 60px;
            border-bottom: var(--border-thick);
            position: relative;
        }
.disclaimer-hero h1 {
            font-size: 2.8rem;
            font-weight: 900;
            color: var(--text-light);
            font-family: var(--font-head);
            letter-spacing: -0.5px;
        }
.disclaimer-hero .hero-tagline {
            color: var(--accent);
            font-size: 1.1rem;
            margin-top: 12px;
            font-weight: 500;
        }
.disclaimer-section {
            background: var(--bg-dark);
            padding: 40px 0;
        }
.disclaimer-card {
            background: #13131a;
            border: 2px solid #1f1f2e;
            padding: 30px;
            margin-bottom: 25px;
            box-shadow: var(--hard-shadow);
            transition: transform .2s ease;
        }
.disclaimer-card:hover {
            transform: translateY(-3px);
        }
.disclaimer-card h2 {
            font-family: var(--font-head);
            font-size: 1.5rem;
            font-weight: 700;
            color: var(--accent);
            margin-bottom: 15px;
            padding-bottom: 10px;
            border-bottom: 2px solid #1f1f2e;
            position: relative;
        }
.disclaimer-card h2::after {
            content: '';
            position: absolute;
            bottom: -2px;
            left: 0;
            width: 60px;
            height: 2px;
            background: var(--primary);
        }
.disclaimer-card p {
            color: #b8b8c0;
            line-height: 1.8;
            font-size: 0.95rem;
            margin-bottom: 12px;
        }
.disclaimer-card ul {
            color: #b8b8c0;
            padding-left: 20px;
        }
.disclaimer-card ul li {
            margin-bottom: 8px;
            line-height: 1.7;
        }
.disclaimer-card ul li strong {
            color: var(--text-light);
        }
.disclaimer-highlight {
            background: rgba(229, 9, 20, 0.08);
            border-left: 4px solid var(--primary);
            padding: 15px 20px;
            margin: 20px 0;
            font-style: italic;
            color: var(--text-light);
        }
.disclaimer-footer-note {
            text-align: center;
            padding: 30px 0;
            color: #888;
            font-size: 0.9rem;
            border-top: 1px solid #1f1f2e;
            margin-top: 40px;
        }
.back-home-btn {
            display: inline-block;
            background: var(--primary);
            color: #fff;
            padding: 10px 30px;
            font-weight: 600;
            text-decoration: none;
            border: 2px solid var(--primary);
            transition: all .3s ease;
            margin-top: 20px;
        }
.back-home-btn:hover {
            background: transparent;
            color: var(--primary);
        }

/* --- Bootstrap 组件配色适配(程序自动补,避免白底黑字) --- */
.accordion-body { background:transparent !important; color:#f5f5f7 !important; }
.accordion-header { background:transparent !important; }