:root {
      --primary: #06b6d4;
      --accent: #ec4899;
      --bg-dark: #0c0a1a;
      --text-light: #e0f2fe;
      --card-radius: 20px;
      --soft-shadow: 0 12px 30px rgba(0, 0, 0, 0.7);
    }
    body {
      background-color: var(--bg-dark);
      color: var(--text-light);
      font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
      overflow-x: hidden;
    }
    h1, h2, h3, .brand-font {
      font-weight: 800;
      letter-spacing: -0.02em;
    }
    /* hero 渐变 */
    .hero-gradient-text {
      background: linear-gradient(135deg, #67e8f9 0%, #06b6d4 40%, #ec4899 100%);
      -webkit-background-clip: text;
      background-clip: text;
      color: transparent;
      animation: float 6s ease-in-out infinite;
    }
    @keyframes float {
      0% { transform: translateY(0); }
      50% { transform: translateY(-8px); }
      100% { transform: translateY(0); }
    }
    /* 导航吸顶 */
    .navbar-custom {
      background: rgba(12, 10, 26, 0.6);
      backdrop-filter: blur(12px);
      transition: background 0.3s, box-shadow 0.3s;
      border-bottom: 1px solid rgba(6, 182, 212, 0.1);
      padding: 12px 0;
    }
    .navbar-custom.scrolled {
      background: rgba(12, 10, 26, 0.95);
      box-shadow: 0 6px 24px rgba(0,0,0,0.6);
    }
    .navbar-brand {
      font-size: 1.8rem;
      font-weight: 800;
      color: var(--text-light) !important;
    }
    .navbar-brand i {
      color: var(--primary);
      margin-right: 8px;
    }
    .nav-link {
      color: #cbd5e1 !important;
      font-weight: 500;
      margin: 0 8px;
      border-radius: 30px;
      padding: 8px 18px !important;
      transition: 0.2s;
    }
    .nav-link:hover {
      background: rgba(6, 182, 212, 0.15);
      color: var(--primary) !important;
    }
    .btn-outline-primary {
      border-color: var(--primary);
      color: var(--primary);
    }
    .btn-outline-primary:hover {
      background: var(--primary);
      color: #000;
    }
    /* 轮播 */
    .hero-carousel {
      border-radius: 32px;
      overflow: hidden;
      margin: 30px auto;
      max-height: 450px;
      background: linear-gradient(145deg, #1e1b4b, #0c0a1a);
      box-shadow: var(--soft-shadow);
    }
    .carousel-item img {
      object-fit: cover;
      height: 450px;
      opacity: 0.5;
    }
    .carousel-caption {
      text-align: left;
      left: 5%;
      right: 50%;
      bottom: 15%;
      background: rgba(0,0,0,0.3);
      border-radius: 24px;
      padding: 30px;
      backdrop-filter: blur(4px);
    }
    .carousel-caption h2 {
      font-size: 2.4rem;
      font-weight: 800;
    }
    /* 区块 */
    .section-title {
      font-size: 2rem;
      font-weight: 800;
      margin: 50px 0 30px;
      display: flex;
      align-items: center;
      gap: 15px;
    }
    .section-title i {
      color: var(--accent);
    }
    .movie-card {
      background: rgba(30, 27, 75, 0.6);
      border-radius: var(--card-radius);
      overflow: hidden;
      transition: transform 0.2s, box-shadow 0.2s;
      border: 1px solid rgba(6, 182, 212, 0.1);
      height: 100%;
      position: relative;
      box-shadow: 0 6px 14px rgba(0,0,0,0.5);
      cursor: pointer;
    }
    .movie-card:hover {
      transform: translateY(-8px) scale(1.02);
      box-shadow: 0 16px 40px rgba(6, 182, 212, 0.2);
    }
    .poster-wrap {
      position: relative;
      overflow: hidden;
      aspect-ratio: 2 / 3;
    }
    .poster-wrap img {
      width: 100%;
      height: 100%;
      object-fit: cover;
      transition: 0.3s;
    }
    .play-overlay {
      position: absolute;
      inset: 0;
      background: rgba(0,0,0,0.4);
      display: flex;
      align-items: center;
      justify-content: center;
      opacity: 0;
      transition: opacity 0.3s;
    }
    .movie-card:hover .play-overlay {
      opacity: 1;
    }
    .play-overlay i {
      font-size: 3.5rem;
      color: white;
      text-shadow: 0 4px 20px rgba(6, 182, 212, 0.9);
    }
    .card-info {
      padding: 15px;
    }
    .card-title {
      font-weight: 700;
      font-size: 1.1rem;
      margin-bottom: 5px;
      white-space: nowrap;
      overflow: hidden;
      text-overflow: ellipsis;
    }
    .meta {
      color: #94a3b8;
      font-size: 0.8rem;
      display: flex;
      justify-content: space-between;
    }
    .rating-badge {
      background: rgba(236, 72, 153, 0.2);
      color: var(--accent);
      padding: 4px 10px;
      border-radius: 30px;
      font-weight: 700;
      font-size: 0.8rem;
    }
    /* 标签胶囊 */
    .genre-chip {
      background: rgba(6, 182, 212, 0.15);
      border: 1px solid rgba(6, 182, 212, 0.4);
      padding: 6px 16px;
      border-radius: 40px;
      font-weight: 600;
      color: #a5f3fc;
      transition: 0.2s;
      cursor: default;
    }
    .genre-chip:hover {
      background: rgba(6, 182, 212, 0.3);
    }
    /* 排行榜 */
    .rank-list {
      background: rgba(15, 23, 42, 0.6);
      border-radius: 24px;
      padding: 20px;
    }
    .rank-item {
      display: flex;
      align-items: center;
      padding: 12px 15px;
      border-radius: 16px;
      background: rgba(30, 27, 75, 0.5);
      margin-bottom: 10px;
    }
    .rank-medal {
      font-size: 1.8rem;
      width: 45px;
      text-align: center;
    }
    .gold { color: #fbbf24; }
    .silver { color: #cbd5e1; }
    .bronze { color: #b45309; }
    /* 时间线 */
    .timeline {
      border-left: 3px solid var(--primary);
      padding-left: 24px;
      margin-left: 10px;
    }
    .timeline-item {
      margin-bottom: 20px;
      position: relative;
    }
    .timeline-item::before {
      content: '';
      width: 14px;
      height: 14px;
      background: var(--accent);
      border-radius: 50%;
      position: absolute;
      left: -31px;
      top: 5px;
    }
    /* 弹窗沉浸式 */
    .modal-immersive {
      background: rgba(0,0,0,0.7);
      backdrop-filter: blur(20px);
    }
    .modal-content {
      background: transparent;
      border: none;
    }
    .modal-body {
      background: rgba(12,10,26,0.6);
      border-radius: 32px;
      padding: 40px;
      border: 1px solid rgba(6,182,212,0.2);
    }
    .modal-backdrop {
      background: rgba(0,0,0,0.6);
      backdrop-filter: blur(4px);
    }
    /* 数字滚动 */
    .stat-number {
      font-size: 2.5rem;
      font-weight: 800;
      color: var(--primary);
    }
    footer a {
      color: #94a3b8;
      text-decoration: none;
    }
    footer a:hover {
      color: var(--primary);
    }
    .friend-links a {
      margin: 0 10px;
    }
    /* 工具类 */
    .rounded-4 { border-radius: 24px !important; }

/* --- 子页面追加 --- */
/* 本页小范围样式，合并进站点 CSS */
    .about-hero {
      background: radial-gradient(ellipse at 30% 20%, rgba(6, 182, 212, 0.15) 0%, transparent 60%),
                  radial-gradient(ellipse at 80% 80%, rgba(236, 72, 153, 0.1) 0%, transparent 50%);
      padding: 100px 0 60px;
      border-bottom: 1px solid rgba(6, 182, 212, 0.1);
    }
.about-section {
      padding: 70px 0;
      border-bottom: 1px solid rgba(255, 255, 255, 0.04);
    }
.about-section:last-of-type {
      border-bottom: none;
    }
.about-card {
      background: rgba(255, 255, 255, 0.04);
      border: 1px solid rgba(255, 255, 255, 0.08);
      border-radius: var(--card-radius);
      padding: 30px;
      height: 100%;
      transition: transform 0.3s ease, box-shadow 0.3s ease;
    }
.about-card:hover {
      transform: translateY(-6px);
      box-shadow: var(--soft-shadow);
      border-color: rgba(6, 182, 212, 0.3);
    }
.about-card i {
      font-size: 2rem;
      color: var(--primary);
      margin-bottom: 15px;
    }
.about-card.accent i {
      color: var(--accent);
    }
.stat-label {
      color: rgba(224, 242, 254, 0.6);
      font-size: 0.9rem;
      text-transform: uppercase;
      letter-spacing: 1px;
      margin-top: 5px;
    }
.timeline-about {
      position: relative;
      padding-left: 30px;
      border-left: 2px solid rgba(6, 182, 212, 0.3);
      margin-left: 10px;
    }
.timeline-about .tl-item {
      position: relative;
      margin-bottom: 30px;
    }
.timeline-about .tl-item::before {
      content: '';
      position: absolute;
      left: -37px;
      top: 5px;
      width: 14px;
      height: 14px;
      border-radius: 50%;
      background: var(--primary);
      border: 3px solid var(--bg-dark);
      box-shadow: 0 0 0 2px rgba(6, 182, 212, 0.4);
    }
.quote-box {
      background: linear-gradient(135deg, rgba(6, 182, 212, 0.08) 0%, rgba(236, 72, 153, 0.05) 100%);
      border-left: 4px solid var(--primary);
      border-radius: 0 var(--card-radius) var(--card-radius) 0;
      padding: 25px 30px;
      font-style: italic;
      font-size: 1.05rem;
      color: var(--text-light);
      margin: 30px 0;
    }
.list-check {
      list-style: none;
      padding-left: 0;
    }
.list-check li {
      padding: 6px 0;
      padding-left: 30px;
      position: relative;
    }
.list-check li::before {
      content: '\f00c';
      font-family: 'Font Awesome 6 Free';
      font-weight: 900;
      color: var(--primary);
      position: absolute;
      left: 0;
      top: 6px;
      font-size: 0.85rem;
    }
.about-hero {
        padding: 70px 0 40px;
      }
.about-section {
        padding: 50px 0;
      }

/* --- 子页面追加 --- */
/* 登录页专属样式 */
    .login-hero {
      padding: 6rem 0 3rem;
      background: linear-gradient(180deg, rgba(12,10,26,0.9) 0%, rgba(12,10,26,0.6) 60%, var(--bg-dark) 100%);
    }
.login-wrapper {
      max-width: 480px;
      margin: 0 auto;
    }
.login-card {
      background: rgba(255,255,255,0.04);
      border: 1px solid rgba(6,182,212,0.2);
      border-radius: var(--card-radius);
      padding: 2.5rem;
      box-shadow: var(--soft-shadow);
      backdrop-filter: blur(12px);
    }
.login-tabs {
      display: flex;
      gap: 0.5rem;
      margin-bottom: 2rem;
      padding: 0.25rem;
      background: rgba(0,0,0,0.3);
      border-radius: 12px;
    }
.login-tab {
      flex: 1;
      text-align: center;
      padding: 0.75rem;
      border-radius: 8px;
      color: var(--text-light);
      opacity: 0.7;
      cursor: pointer;
      transition: all 0.3s ease;
      font-size: 0.95rem;
      font-weight: 500;
    }
.login-tab.active {
      background: rgba(6,182,212,0.15);
      color: var(--primary);
      opacity: 1;
      font-weight: 600;
    }
.login-form .form-group {
      margin-bottom: 1.25rem;
    }
.login-form label {
      display: block;
      margin-bottom: 0.4rem;
      font-size: 0.9rem;
      color: var(--text-light);
      opacity: 0.8;
    }
.login-form input {
      width: 100%;
      padding: 0.85rem 1rem;
      background: rgba(0,0,0,0.35);
      border: 1px solid rgba(6,182,212,0.25);
      border-radius: 12px;
      color: var(--text-light);
      font-size: 0.95rem;
      transition: all 0.3s ease;
    }
.login-form input:focus {
      outline: none;
      border-color: var(--primary);
      box-shadow: 0 0 0 3px rgba(6,182,212,0.15);
    }
.login-form input::placeholder {
      color: rgba(224,242,254,0.35);
    }
.login-options {
      display: flex;
      justify-content: space-between;
      align-items: center;
      margin-bottom: 1.5rem;
      font-size: 0.85rem;
    }
.remember-me {
      display: flex;
      align-items: center;
      gap: 0.4rem;
      color: var(--text-light);
      opacity: 0.8;
    }
.remember-me input {
      accent-color: var(--primary);
    }
.forgot-link {
      color: var(--primary);
      text-decoration: none;
      opacity: 0.9;
    }
.forgot-link:hover {
      opacity: 1;
      text-decoration: underline;
    }
.login-btn {
      width: 100%;
      padding: 0.9rem;
      background: linear-gradient(135deg, var(--primary) 0%, #0891b2 100%);
      border: none;
      border-radius: 12px;
      color: #fff;
      font-size: 1rem;
      font-weight: 600;
      cursor: pointer;
      transition: all 0.3s ease;
      box-shadow: 0 4px 15px rgba(6,182,212,0.3);
    }
.login-btn:hover {
      transform: translateY(-2px);
      box-shadow: 0 6px 20px rgba(6,182,212,0.4);
    }
.social-login {
      margin-top: 2rem;
      padding-top: 1.5rem;
      border-top: 1px solid rgba(6,182,212,0.15);
    }
.social-login p {
      text-align: center;
      font-size: 0.85rem;
      color: var(--text-light);
      opacity: 0.6;
      margin-bottom: 1rem;
    }
.social-icons {
      display: flex;
      justify-content: center;
      gap: 1rem;
    }
.social-icon {
      width: 48px;
      height: 48px;
      display: flex;
      align-items: center;
      justify-content: center;
      border-radius: 50%;
      background: rgba(0,0,0,0.3);
      border: 1px solid rgba(6,182,212,0.2);
      color: var(--text-light);
      font-size: 1.2rem;
      transition: all 0.3s ease;
      text-decoration: none;
    }
.social-icon:hover {
      transform: translateY(-3px);
      border-color: var(--accent);
      color: var(--accent);
      box-shadow: 0 4px 12px rgba(236,72,153,0.2);
    }
.register-link {
      text-align: center;
      margin-top: 1.5rem;
      font-size: 0.9rem;
      color: var(--text-light);
      opacity: 0.7;
    }
.register-link a {
      color: var(--accent);
      text-decoration: none;
      font-weight: 600;
    }
.register-link a:hover {
      text-decoration: underline;
    }
.login-features {
      margin-top: 4rem;
    }
.feature-item {
      text-align: center;
      padding: 1.5rem;
      background: rgba(255,255,255,0.03);
      border: 1px solid rgba(6,182,212,0.1);
      border-radius: var(--card-radius);
      transition: all 0.3s ease;
      height: 100%;
    }
.feature-item:hover {
      transform: translateY(-4px);
      border-color: var(--primary);
      box-shadow: var(--soft-shadow);
    }
.feature-icon {
      font-size: 2rem;
      color: var(--primary);
      margin-bottom: 1rem;
      display: block;
    }
.feature-item h4 {
      font-size: 1.1rem;
      font-weight: 600;
      margin-bottom: 0.5rem;
      color: var(--text-light);
    }
.feature-item p {
      font-size: 0.9rem;
      color: var(--text-light);
      opacity: 0.7;
      line-height: 1.6;
    }

/* --- 子页面追加 --- */
/* 本页专属微调 —— 不另造体系，仅补充细节 */
        .disclaimer-section {
            background: rgba(255,255,255,0.02);
            border-radius: var(--card-radius);
            padding: 2.2rem 1.8rem;
            margin-bottom: 2rem;
            border: 1px solid rgba(6,182,212,0.15);
        }
.disclaimer-section h2 {
            color: var(--primary);
            font-weight: 700;
            font-size: 1.65rem;
            letter-spacing: -0.02em;
            margin-bottom: 1.2rem;
            display: flex;
            align-items: center;
            gap: 0.5rem;
        }
.disclaimer-section h2 i {
            font-size: 1.4rem;
            color: var(--accent);
        }
.disclaimer-section p, .disclaimer-section li {
            color: rgba(224,242,254,0.85);
            line-height: 1.8;
            font-size: 0.98rem;
        }
.disclaimer-section ul {
            padding-left: 1.2rem;
            margin-bottom: 1rem;
        }
.disclaimer-section li {
            margin-bottom: 0.5rem;
        }
.disclaimer-section strong {
            color: var(--text-light);
            font-weight: 600;
        }
.highlight-box {
            background: rgba(6,182,212,0.08);
            border-left: 4px solid var(--primary);
            padding: 1rem 1.5rem;
            border-radius: 0 12px 12px 0;
            margin: 1.5rem 0;
        }
.highlight-box p {
            margin-bottom: 0;
            font-weight: 500;
        }
.back-home-link {
            display: inline-flex;
            align-items: center;
            gap: 0.4rem;
            color: var(--primary);
            font-weight: 500;
            text-decoration: none;
            margin-top: 1rem;
            transition: all 0.2s;
        }
.back-home-link:hover {
            color: var(--accent);
            gap: 0.7rem;
        }
.footer-links a {
            color: rgba(224,242,254,0.7);
            text-decoration: none;
            margin: 0 0.8rem;
            transition: color 0.2s;
        }
.footer-links a:hover {
            color: var(--primary);
        }
.small-meta {
            font-size: 0.85rem;
            color: rgba(224,242,254,0.5);
            margin-top: 0.8rem;
        }