:root {
      --primary: #06b6d4;
      --accent: #ec4899;
      --bg-dark: #0c0a1a;
      --text-light: #e0f2fe;
      --card-radius: 24px;
      --soft-shadow: 0 12px 30px rgba(6, 182, 212, 0.12);
      --hover-shadow: 0 20px 40px rgba(236, 72, 153, 0.25);
    }
    * { box-sizing: border-box; }
    body {
      background-color: var(--bg-dark);
      color: var(--text-light);
      font-family: 'Noto Sans SC', sans-serif;
      overflow-x: hidden;
    }
    h1,h2,h3,.font-serif {
      font-family: 'Noto Serif SC', serif;
      font-weight: 900;
    }
    /* 滚动条 */
    ::-webkit-scrollbar { width: 8px; }
    ::-webkit-scrollbar-track { background: #1a172e; }
    ::-webkit-scrollbar-thumb { background: var(--primary); border-radius: 8px; }

    .navbar-custom {
      background: rgba(12, 10, 26, 0.85);
      backdrop-filter: blur(14px);
      border-bottom: 1px solid rgba(6, 182, 212, 0.25);
      padding: 12px 0;
      border-radius: 0;
    }
    .navbar-brand {
      font-size: 1.8rem;
      font-weight: 900;
      color: var(--text-light) !important;
      letter-spacing: 1px;
      font-family: 'Noto Serif SC', serif;
    }
    .navbar-brand i {
      color: var(--accent);
      margin-right: 8px;
    }
    .nav-link {
      color: #bae6fd !important;
      font-weight: 500;
      margin: 0 6px;
      border-radius: 40px;
      padding: 8px 18px !important;
      transition: all .2s;
    }
    .nav-link:hover {
      background: rgba(6, 182, 212, 0.15);
      color: #ffffff !important;
    }

    /* Hero 关键词云 */
    .keyword-cloud {
      display: flex;
      flex-wrap: wrap;
      gap: 12px 20px;
      justify-content: center;
      padding: 20px 0;
      max-width: 900px;
      margin: 0 auto;
    }
    .keyword-cloud span {
      font-size: 1.2rem;
      background: rgba(6,182,212,0.08);
      border: 1px solid rgba(6,182,212,0.3);
      padding: 8px 22px;
      border-radius: 60px;
      backdrop-filter: blur(4px);
      transition: 0.2s;
      cursor: default;
      font-weight: 300;
      color: #cffafe;
      letter-spacing: 1px;
    }
    .keyword-cloud span:nth-child(2n) { border-color: var(--accent); background: rgba(236,72,153,0.1); }
    .keyword-cloud span:hover { transform: scale(1.06); background: rgba(6,182,212,0.25); }

    /* 区块通用 */
    .section-title {
      font-size: 2.8rem;
      font-weight: 900;
      color: var(--text-light);
      margin-bottom: 20px;
      position: relative;
      display: inline-block;
    }
    .section-title i { color: var(--accent); margin-right: 12px; }
    .soft-card {
      background: rgba(30, 27, 58, 0.7);
      border-radius: var(--card-radius);
      padding: 30px;
      box-shadow: var(--soft-shadow);
      backdrop-filter: blur(6px);
      border: 1px solid rgba(6, 182, 212, 0.15);
    }

    /* 海报卡片 */
    .movie-card {
      background: #1b1730;
      border-radius: 24px;
      overflow: hidden;
      border: 1px solid rgba(6,182,212,0.2);
      box-shadow: 0 10px 20px rgba(0,0,0,0.5);
      transition: all 0.35s cubic-bezier(0.2, 0.9, 0.3, 1.2);
      height: 100%;
      cursor: pointer;
      position: relative;
    }
    .movie-card:hover {
      transform: translateY(-12px) scale(1.02);
      box-shadow: var(--hover-shadow);
      border-color: var(--accent);
    }
    .poster-wrap {
      position: relative;
      overflow: hidden;
      aspect-ratio: 2/3;
      background: #23203a;
    }
    .poster-wrap img {
      width: 100%;
      height: 100%;
      object-fit: cover;
      transition: transform .4s;
      background: #2e2a48; /* 占位渐显效果 */
    }
    .movie-card:hover .poster-wrap img { transform: scale(1.08); }
    .badge-quality {
      position: absolute;
      top: 12px;
      right: 12px;
      background: rgba(0,0,0,0.7);
      backdrop-filter: blur(6px);
      color: #fff;
      padding: 4px 10px;
      border-radius: 30px;
      font-size: 0.75rem;
      font-weight: 600;
      border: 1px solid rgba(6,182,212,0.6);
    }
    .movie-info {
      padding: 18px 16px 20px;
    }
    .movie-title {
      font-size: 1.2rem;
      font-weight: 700;
      margin-bottom: 6px;
      white-space: nowrap;
      overflow: hidden;
      text-overflow: ellipsis;
      color: #f0f9ff;
    }
    .meta-row {
      display: flex;
      justify-content: space-between;
      color: #8fb8d8;
      font-size: 0.85rem;
    }
    .rating { color: #fbbf24; font-weight: 600; }

    /* 横向滚动行 */
    .hscroll-row {
      display: flex;
      gap: 20px;
      overflow-x: auto;
      padding: 10px 0 30px;
      scroll-snap-type: x mandatory;
    }
    .hscroll-row > * { flex: 0 0 200px; scroll-snap-align: start; }
    .hscroll-row::-webkit-scrollbar { height: 8px; }
    .hscroll-row::-webkit-scrollbar-thumb { background: var(--primary); border-radius: 8px; }

    /* 分类网格卡片 */
    .grid-cards {
      display: grid;
      grid-template-columns: repeat(auto-fill, minmax(180px, 1fr));
      gap: 24px;
    }

    /* 步骤条 (说明用) */
    .step-item {
      display: flex;
      gap: 16px;
      padding: 18px 0;
      border-bottom: 1px dashed rgba(6,182,212,0.2);
    }
    .step-num {
      font-size: 2rem;
      font-weight: 900;
      color: var(--accent);
      min-width: 60px;
      text-shadow: 0 0 10px rgba(236,72,153,0.5);
    }

    /* 心情标签 */
    .mood-tag {
      background: rgba(6,182,212,0.12);
      border-radius: 60px;
      padding: 8px 22px;
      cursor: pointer;
      transition: 0.2s;
      border: 1px solid var(--primary);
      color: var(--text-light);
      font-weight: 500;
    }
    .mood-tag:hover { background: var(--primary); color: #000; }

    /* 弹窗样式 */
    .modal-custom-overlay {
      position: fixed;
      inset: 0;
      background: rgba(0,0,0,0.7);
      backdrop-filter: blur(6px);
      z-index: 9999;
      display: flex;
      align-items: center;
      justify-content: center;
      visibility: hidden;
      opacity: 0;
      transition: 0.25s;
    }
    .modal-custom-overlay.show {
      visibility: visible;
      opacity: 1;
    }
    .modal-card {
      background: #1f1b36;
      max-width: 700px;
      width: 92%;
      border-radius: 32px;
      padding: 20px;
      border: 1px solid rgba(6,182,212,0.3);
      box-shadow: 0 20px 50px rgba(0,0,0,0.8);
      display: flex;
      gap: 20px;
      transform: scale(0.95);
      transition: 0.25s;
    }
    .modal-card img {
      width: 200px;
      border-radius: 18px;
      object-fit: cover;
    }
    .modal-info { flex: 1; color: var(--text-light); }
    .modal-close {
      position: absolute;
      top: 10px;
      right: 18px;
      font-size: 2rem;
      color: var(--accent);
      cursor: pointer;
      background: none;
      border: none;
    }

    /* 页脚友链 */
    .friend-links a {
      color: #a5f3fc;
      margin: 0 12px;
      text-decoration: none;
      font-size: 0.9rem;
      border-bottom: 1px dotted var(--primary);
    }

    footer {
      border-top: 1px solid rgba(6,182,212,0.3);
      margin-top: 60px;
    }
    /* 滚动渐显动效 */
    .reveal-card {
      opacity: 0;
      transform: translateY(30px);
      transition: opacity .5s, transform .5s;
    }
    .reveal-card.visible {
      opacity: 1;
      transform: translateY(0);
    }
    /* 延迟工具 */
    .delay-1 { transition-delay: .1s; }
    .delay-2 { transition-delay: .2s; }
    .delay-3 { transition-delay: .3s; }
    .delay-4 { transition-delay: .4s; }
    .delay-5 { transition-delay: .5s; }

    @media (max-width: 768px) {
      .section-title { font-size: 2rem; }
      .modal-card { flex-direction: column; align-items: center; text-align: center; }
      .modal-card img { width: 160px; }
    }

/* --- 子页面追加 --- */
/* 关于页面专属微调 */
        .about-hero {
            background: linear-gradient(135deg, rgba(6, 182, 212, 0.15) 0%, rgba(236, 72, 153, 0.1) 100%);
            border-radius: var(--card-radius);
            padding: 3rem 2rem;
            margin-bottom: 3rem;
            border: 1px solid rgba(6, 182, 212, 0.3);
        }
.about-hero h1 {
            font-size: 2.2rem;
            font-weight: 900;
            color: var(--text-light);
            margin-bottom: 1rem;
        }
.about-hero p {
            color: rgba(224, 242, 254, 0.8);
            font-size: 1.05rem;
            line-height: 1.8;
            max-width: 800px;
            margin: 0 auto;
        }
.section-block {
            margin-bottom: 3.5rem;
        }
.section-block h2 {
            color: var(--primary);
            font-size: 1.6rem;
            font-weight: 700;
            margin-bottom: 1.2rem;
            position: relative;
            padding-bottom: 0.5rem;
        }
.section-block h2::after {
            content: '';
            position: absolute;
            bottom: 0;
            left: 0;
            width: 50px;
            height: 3px;
            background: var(--accent);
            border-radius: 3px;
        }
.section-block p {
            color: rgba(224, 242, 254, 0.85);
            line-height: 1.9;
            font-size: 0.95rem;
        }
.feature-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
            gap: 1.5rem;
            margin-top: 1.5rem;
        }
.feature-item {
            background: rgba(12, 10, 26, 0.6);
            border: 1px solid rgba(6, 182, 212, 0.2);
            border-radius: 16px;
            padding: 1.8rem 1.5rem;
            transition: all 0.3s ease;
        }
.feature-item:hover {
            border-color: var(--accent);
            box-shadow: var(--hover-shadow);
            transform: translateY(-5px);
        }
.feature-item i {
            font-size: 2rem;
            color: var(--primary);
            margin-bottom: 1rem;
            display: block;
        }
.feature-item h3 {
            color: var(--text-light);
            font-size: 1.1rem;
            font-weight: 700;
            margin-bottom: 0.6rem;
        }
.feature-item p {
            color: rgba(224, 242, 254, 0.7);
            font-size: 0.85rem;
            line-height: 1.6;
        }
.timeline {
            position: relative;
            padding-left: 2rem;
            margin-top: 1.5rem;
        }
.timeline::before {
            content: '';
            position: absolute;
            left: 0;
            top: 0;
            bottom: 0;
            width: 2px;
            background: linear-gradient(to bottom, var(--primary), var(--accent));
            border-radius: 2px;
        }
.timeline-item {
            position: relative;
            margin-bottom: 2rem;
        }
.timeline-item::before {
            content: '';
            position: absolute;
            left: -2rem;
            top: 0.3rem;
            width: 12px;
            height: 12px;
            border-radius: 50%;
            background: var(--accent);
            border: 2px solid var(--bg-dark);
            box-shadow: 0 0 10px rgba(236, 72, 153, 0.5);
        }
.timeline-item h4 {
            color: var(--text-light);
            font-size: 1rem;
            font-weight: 700;
            margin-bottom: 0.3rem;
        }
.timeline-item .date {
            color: var(--primary);
            font-size: 0.8rem;
            font-weight: 500;
            display: block;
            margin-bottom: 0.5rem;
        }
.timeline-item p {
            color: rgba(224, 242, 254, 0.75);
            font-size: 0.88rem;
            line-height: 1.7;
        }
.stats-row {
            display: flex;
            flex-wrap: wrap;
            gap: 2rem;
            justify-content: center;
            margin: 2rem 0;
            padding: 2rem;
            background: rgba(6, 182, 212, 0.05);
            border-radius: var(--card-radius);
            border: 1px solid rgba(6, 182, 212, 0.15);
        }
.stat-item {
            text-align: center;
        }
.stat-item .number {
            font-size: 2.5rem;
            font-weight: 900;
            color: var(--primary);
            display: block;
        }
.stat-item .label {
            color: rgba(224, 242, 254, 0.7);
            font-size: 0.85rem;
            margin-top: 0.3rem;
        }
.about-cta {
            background: linear-gradient(135deg, rgba(236, 72, 153, 0.15) 0%, rgba(6, 182, 212, 0.15) 100%);
            border-radius: var(--card-radius);
            padding: 2.5rem;
            text-align: center;
            border: 1px solid rgba(236, 72, 153, 0.3);
        }
.about-cta h3 {
            color: var(--text-light);
            font-size: 1.4rem;
            font-weight: 700;
            margin-bottom: 0.8rem;
        }
.about-cta p {
            color: rgba(224, 242, 254, 0.8);
            margin-bottom: 1.5rem;
            max-width: 600px;
            margin-left: auto;
            margin-right: auto;
        }
.btn-about {
            background: var(--primary);
            color: #fff;
            padding: 0.7rem 2rem;
            border-radius: 50px;
            font-weight: 600;
            text-decoration: none;
            display: inline-block;
            transition: all 0.3s ease;
            border: none;
        }
.btn-about:hover {
            background: var(--accent);
            color: #fff;
            transform: translateY(-2px);
            box-shadow: var(--hover-shadow);
        }
.about-hero {
                padding: 2rem 1.5rem;
            }
.about-hero h1 {
                font-size: 1.6rem;
            }
.section-block h2 {
                font-size: 1.3rem;
            }
.stats-row {
                gap: 1.5rem;
                padding: 1.5rem;
            }
.stat-item .number {
                font-size: 1.8rem;
            }
.feature-grid {
                grid-template-columns: 1fr;
            }