:root {
  --primary: #06b6d4;
  --accent: #ec4899;
  --bg: #0c0a1a;
  --text: #e0f2fe;
  --card-bg: #17152b;
  --shadow: rgba(0, 0, 0, 0.5);
  --card-radius: 16px;
  --font-display: 'Inter', sans-serif;
}
body {
  font-family: var(--font-display);
  background-color: var(--bg);
  color: var(--text);
  letter-spacing: 0.2px;
}
h1, h2, h3, h4, h5 {
  font-weight: 800;
  letter-spacing: -0.5px;
}
a { text-decoration: none; color: inherit; }
.navbar {
  background: rgba(12, 10, 26, 0.9) !important;
  backdrop-filter: blur(12px);
  border-bottom: 1px solid rgba(6, 182, 212, 0.15);
  padding: 12px 0;
  z-index: 1030;
}
.navbar-brand {
  font-weight: 900;
  font-size: 1.6rem;
  color: var(--primary) !important;
}
.navbar-brand i { margin-right: 6px; color: var(--accent); }
.nav-link {
  color: var(--text) !important;
  font-weight: 500;
  margin: 0 6px;
  border-radius: 50px;
  padding: 6px 16px !important;
  transition: all 0.2s;
}
.nav-link:hover { background: rgba(6, 182, 212, 0.15); color: var(--primary) !important; }
.navbar-toggler { border-color: var(--primary); color: var(--primary); }
.navbar-toggler:focus { box-shadow: none; }

.hero-section {
  padding: 40px 0 24px;
  background: linear-gradient(180deg, rgba(6, 182, 212, 0.08) 0%, transparent 100%);
}
.hero-stats {
  display: flex;
  gap: 24px;
  flex-wrap: wrap;
  justify-content: center;
  margin-bottom: 32px;
}
.stat-item {
  text-align: center;
  padding: 16px 28px;
  background: rgba(255,255,255,0.04);
  border-radius: 24px;
  border: 1px solid rgba(255,255,255,0.08);
}
.stat-number {
  font-family: 'Courier New', monospace;
  font-size: 2.6rem;
  font-weight: 900;
  color: var(--primary);
  line-height: 1;
}
.stat-label { font-size: 0.85rem; opacity: 0.7; margin-top: 4px; }
.section-title {
  font-size: 1.5rem;
  font-weight: 800;
  margin: 24px 0 16px;
  display: flex;
  align-items: center;
  gap: 10px;
}
.section-title i { color: var(--accent); }
.section-title .badge { font-size: 0.8rem; vertical-align: middle; }
.poster-card {
  border: none;
  border-radius: var(--card-radius);
  overflow: hidden;
  background: var(--card-bg);
  transition: transform 0.3s ease, box-shadow 0.3s ease;
  cursor: pointer;
  height: 100%;
  position: relative;
  box-shadow: 0 4px 20px rgba(0,0,0,0.3);
}
.poster-card:hover {
  transform: translateY(-8px);
  box-shadow: 0 12px 28px rgba(6, 182, 212, 0.2);
}
.poster-card .poster-img {
  width: 100%;
  aspect-ratio: 2/3;
  object-fit: cover;
  background: #221f3a;
}
.poster-card .overlay {
  position: absolute;
  top: 0; left: 0; right: 0; bottom: 0;
  background: linear-gradient(180deg, transparent 40%, rgba(0,0,0,0.85) 100%);
  opacity: 0.9;
  transition: opacity 0.3s;
}
.poster-card:hover .overlay { opacity: 1; }
.poster-card .play-btn {
  position: absolute;
  top: 50%; left: 50%;
  transform: translate(-50%, -50%) scale(0.9);
  width: 48px; height: 48px;
  background: rgba(6, 182, 212, 0.9);
  border-radius: 50%;
  display: flex; align-items: center; justify-content: center;
  color: #fff;
  font-size: 1.1rem;
  opacity: 0;
  transition: all 0.3s;
  z-index: 5;
  border: 2px solid rgba(255,255,255,0.3);
}
.poster-card:hover .play-btn { opacity: 1; transform: translate(-50%, -50%) scale(1); }
.poster-card .card-body {
  padding: 12px;
  position: relative;
  z-index: 2;
}
.poster-card .card-title {
  font-size: 0.95rem;
  font-weight: 700;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
  margin-bottom: 4px;
}
.poster-card .card-meta {
  font-size: 0.75rem;
  color: rgba(224, 242, 254, 0.6);
  display: flex;
  justify-content: space-between;
  align-items: center;
}
.rating-badge {
  background: rgba(236, 72, 153, 0.15);
  color: var(--accent);
  font-weight: 700;
  padding: 2px 8px;
  border-radius: 50px;
  font-size: 0.75rem;
}
.scroll-row {
  display: flex;
  gap: 16px;
  overflow-x: auto;
  padding-bottom: 12px;
  scroll-snap-type: x mandatory;
}
.scroll-row .poster-card {
  flex: 0 0 160px;
  scroll-snap-align: start;
}
@media (max-width: 768px) {
  .scroll-row .poster-card { flex-basis: 130px; }
}
.category-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(180px, 1fr));
  gap: 16px;
}
.rank-section {
  background: linear-gradient(135deg, rgba(6,182,212,0.05), rgba(236,72,153,0.05));
  border-radius: 24px;
  padding: 20px;
  margin-top: 24px;
}
.rank-item {
  display: flex;
  align-items: center;
  gap: 14px;
  padding: 10px 0;
  border-bottom: 1px solid rgba(255,255,255,0.05);
}
.rank-number {
  font-family: 'Courier New', monospace;
  font-weight: 900;
  font-size: 1.4rem;
  color: var(--accent);
  width: 40px;
  text-align: center;
}
.rank-item img { width: 48px; height: 64px; object-fit: cover; border-radius: 8px; background: #221f3a; }
.rank-info { flex: 1; }
.rank-info .title { font-weight: 700; font-size: 0.95rem; }
.rank-info .desc { font-size: 0.8rem; opacity: 0.6; }
.btn-round {
  border-radius: 50px !important;
  font-weight: 600;
}
.btn-primary-custom {
  background: var(--primary);
  color: #0c0a1a;
  border: none;
  padding: 8px 24px;
  transition: all 0.3s;
}
.btn-primary-custom:hover { background: #0891b2; color: #fff; }
.btn-accent-custom {
  background: var(--accent);
  color: #fff;
  border: none;
  padding: 8px 24px;
  transition: all 0.3s;
}
.btn-accent-custom:hover { background: #db2777; }
.footer {
  background: rgba(0,0,0,0.3);
  padding: 32px 0 16px;
  margin-top: 48px;
  border-top: 1px solid rgba(255,255,255,0.05);
}
.friend-links {
  padding: 16px 0;
  border-bottom: 1px solid rgba(255,255,255,0.05);
  margin-bottom: 16px;
}
.friend-links a {
  color: rgba(224,242,254,0.6);
  margin: 0 12px;
  font-size: 0.9rem;
}
.friend-links a:hover { color: var(--primary); }
.flip-card {
  perspective: 1000px;
  position: fixed;
  top: 50%; left: 50%;
  transform: translate(-50%, -50%);
  z-index: 1050;
  display: none;
}
.flip-card.show { display: block; }
.flip-inner {
  position: relative;
  width: 340px;
  height: 520px;
  transform-style: preserve-3d;
  transition: transform 0.6s;
}
.flip-card.flipped .flip-inner { transform: rotateY(180deg); }
.flip-front, .flip-back {
  position: absolute;
  width: 100%; height: 100%;
  backface-visibility: hidden;
  border-radius: 20px;
  overflow: hidden;
}
.flip-front { background: var(--card-bg); }
.flip-front img { width: 100%; height: 100%; object-fit: cover; }
.flip-back {
  background: var(--card-bg);
  transform: rotateY(180deg);
  padding: 24px;
  display: flex;
  flex-direction: column;
  gap: 12px;
  border: 1px solid rgba(255,255,255,0.1);
}
.close-btn {
  position: absolute;
  top: 12px; right: 12px;
  background: rgba(0,0,0,0.5);
  border: none;
  color: #fff;
  width: 32px; height: 32px;
  border-radius: 50%;
  z-index: 10;
}
.backdrop {
  position: fixed;
  top: 0; left: 0; right: 0; bottom: 0;
  background: rgba(0,0,0,0.7);
  z-index: 1040;
  display: none;
  backdrop-filter: blur(4px);
}
.backdrop.show { display: block; }
.step-card {
  background: rgba(255,255,255,0.03);
  border-radius: 16px;
  padding: 16px;
  text-align: center;
  height: 100%;
}
.step-card i {
  font-size: 1.8rem;
  color: var(--primary);
  margin-bottom: 12px;
}
.step-card h6 { font-weight: 700; margin-bottom: 8px; }
.step-card p { font-size: 0.85rem; opacity: 0.7; }
.back-to-top {
  position: fixed;
  bottom: 30px; right: 30px;
  width: 44px; height: 44px;
  background: var(--primary);
  color: #0c0a1a;
  border: none;
  border-radius: 50%;
  font-size: 1.2rem;
  z-index: 999;
  opacity: 0;
  visibility: hidden;
  transition: all 0.3s;
  box-shadow: 0 4px 15px rgba(6,182,212,0.4);
}
.back-to-top.visible { opacity: 1; visibility: visible; }
html { scroll-behavior: smooth; }
.poster-card .card-body .btn-sm { font-size: 0.7rem; padding: 2px 8px; }

/* --- 子页面追加 --- */
/* 页面专属微调：仅补充少量细节，不影响全局 */
    .about-hero {
      background: linear-gradient(135deg, rgba(6,182,212,.15) 0%, rgba(236,72,153,.1) 100%);
      border-bottom: 1px solid rgba(255,255,255,.05);
      padding: 4rem 0 2.5rem;
    }
.about-card {
      background: var(--card-bg);
      border-radius: var(--card-radius);
      padding: 2rem 1.8rem;
      height: 100%;
      box-shadow: 0 8px 30px var(--shadow);
      transition: transform .2s ease;
    }
.about-card:hover { transform: translateY(-6px); }
.about-card h3 {
      color: var(--primary);
      font-weight: 700;
      font-size: 1.35rem;
      letter-spacing: -.3px;
      margin-bottom: 1.1rem;
    }
.about-card p {
      color: rgba(224, 242, 254, .82);
      font-size: .96rem;
      line-height: 1.7;
      margin-bottom: 0;
    }
.about-card i {
      color: var(--accent);
      font-size: 1.8rem;
      margin-bottom: 1.2rem;
      display: inline-block;
    }
.highlight-text {
      background: linear-gradient(120deg, rgba(6,182,212,.15), rgba(236,72,153,.1));
      padding: 2rem 2.2rem;
      border-radius: 20px;
      border-left: 4px solid var(--primary);
      margin: 2.5rem 0;
    }
.highlight-text h2 {
      color: var(--text);
      font-weight: 800;
      font-size: 1.8rem;
      letter-spacing: -.5px;
      margin-bottom: .8rem;
    }
.highlight-text p {
      color: rgba(224, 242, 254, .9);
      max-width: 800px;
      font-size: 1rem;
    }
.values-list {
      list-style: none;
      padding: 0;
      margin: 1.5rem 0 0;
    }
.values-list li {
      color: var(--text);
      padding: .65rem 0 .65rem 2rem;
      position: relative;
      border-bottom: 1px dashed rgba(255,255,255,.06);
      font-size: .98rem;
    }
.values-list li:last-child { border-bottom: none; }
.values-list li::before {
      content: "◆";
      position: absolute;
      left: 0;
      color: var(--accent);
      font-size: .8rem;
      top: .7rem;
    }
.inline-icon {
      margin-right: 8px;
      color: var(--accent);
    }

/* --- 子页面追加 --- */
/* 本页专属样式，仅补充必要部分，主体颜色沿用站点全局CSS */
        .disclaimer-hero {
            padding: 120px 0 60px;
            background: linear-gradient(135deg, rgba(6, 182, 212, 0.15) 0%, rgba(236, 72, 153, 0.1) 100%);
            border-bottom: 1px solid rgba(255, 255, 255, 0.06);
        }
.disclaimer-section {
            padding: 50px 0;
            border-bottom: 1px solid rgba(255, 255, 255, 0.05);
        }
.disclaimer-section:last-child {
            border-bottom: none;
        }
.disclaimer-section h2 {
            font-size: 1.6rem;
            font-weight: 700;
            color: var(--primary);
            margin-bottom: 20px;
            letter-spacing: -0.02em;
        }
.disclaimer-section p {
            color: var(--text);
            line-height: 1.8;
            font-size: 1rem;
            margin-bottom: 15px;
        }
.disclaimer-section ul {
            margin: 15px 0 20px;
            padding-left: 20px;
        }
.disclaimer-section li {
            color: var(--text);
            line-height: 1.8;
            margin-bottom: 8px;
        }
.notice-box {
            background: rgba(6, 182, 212, 0.08);
            border-left: 4px solid var(--primary);
            padding: 20px 25px;
            border-radius: 0 12px 12px 0;
            margin: 25px 0;
        }
.notice-box p {
            margin-bottom: 5px;
        }
.notice-box .notice-icon {
            color: var(--primary);
            margin-right: 10px;
        }
.update-date {
            color: rgba(224, 242, 254, 0.6);
            font-size: 0.9rem;
            margin-bottom: 30px;
        }

/* --- 子页面追加 --- */
.privacy-wrap { max-width: 900px; margin: 0 auto; padding: 40px 20px 60px; }
.privacy-wrap h1 { font-size: 2rem; font-weight: 800; margin-bottom: 10px; color: var(--text); }
.privacy-updated { color: rgba(224,242,254,.6); font-size: .9rem; margin-bottom: 40px; border-bottom: 1px solid rgba(255,255,255,.08); padding-bottom: 20px; }
.privacy-block { background: var(--card-bg); border-radius: var(--card-radius); padding: 28px 30px; margin-bottom: 24px; border: 1px solid rgba(255,255,255,.05); box-shadow: 0 4px 20px var(--shadow); }
.privacy-block h2 { font-size: 1.35rem; font-weight: 700; color: var(--primary); margin-bottom: 14px; display: flex; align-items: center; gap: 10px; }
.privacy-block h2 i { color: var(--accent); }
.privacy-block p { color: rgba(224,242,254,.8); line-height: 1.8; font-size: .95rem; margin-bottom: 12px; }
.privacy-block ul { padding-left: 20px; margin-bottom: 12px; }
.privacy-block li { color: rgba(224,242,254,.75); line-height: 1.8; font-size: .93rem; margin-bottom: 6px; }
.privacy-block strong { color: var(--text); }
.privacy-tag { display: inline-block; background: rgba(6,182,212,.15); color: var(--primary); font-size: .78rem; font-weight: 600; padding: 3px 12px; border-radius: 20px; margin-bottom: 15px; letter-spacing: .5px; }
.privacy-wrap { padding: 20px 14px 40px; }
.privacy-block { padding: 20px 18px; }
.privacy-block h2 { font-size: 1.1rem; }

/* --- 子页面追加 --- */
/* 确保Bootstrap组件与深色主题一致 */
    .card, .card-body, .card-title, .card-text, .card-header, .card-footer {
      background: var(--card-bg) !important;
      color: var(--text) !important;
      border-color: rgba(255,255,255,0.08) !important;
    }
.form-control, .form-select, .form-label, .input-group-text {
      background: rgba(12, 10, 26, 0.7) !important;
      color: var(--text) !important;
      border-color: rgba(255,255,255,0.15) !important;
    }
.form-control::placeholder {
      color: rgba(224, 242, 254, 0.5) !important;
    }
.list-group-item, .accordion-item, .accordion-button, .accordion-body {
      background: var(--card-bg) !important;
      color: var(--text) !important;
      border-color: rgba(255,255,255,0.08) !important;
    }
.accordion-button:not(.collapsed) {
      background: rgba(6, 182, 212, 0.15) !important;
      color: var(--primary) !important;
    }
.nav-link, .navbar, .navbar-brand, .dropdown-menu, .dropdown-item {
      background: transparent !important;
      color: var(--text) !important;
    }
.nav-link:hover, .nav-link.active {
      color: var(--primary) !important;
    }
/* 榜单专属样式 */
    .rank-section .rank-item {
      background: rgba(23, 21, 43, 0.65);
      backdrop-filter: blur(6px);
      border-radius: var(--card-radius);
      padding: 1.25rem 1.5rem;
      transition: transform .2s ease, box-shadow .2s ease;
      border: 1px solid rgba(255,255,255,0.04);
    }
.rank-section .rank-item:hover {
      transform: translateY(-4px);
      box-shadow: 0 12px 28px var(--shadow);
      border-color: rgba(6, 182, 212, 0.25);
    }
.rank-info h3 {
      font-size: 1.25rem;
      font-weight: 600;
      color: var(--text);
      margin-bottom: 0.25rem;
    }
.rank-meta {
      font-size: 0.85rem;
      color: rgba(224, 242, 254, 0.6);
      letter-spacing: 0.3px;
    }
.rank-tag {
      background: rgba(6, 182, 212, 0.12);
      color: var(--primary);
      padding: 0.15rem 0.8rem;
      border-radius: 30px;
      font-size: 0.75rem;
      font-weight: 600;
      display: inline-block;
    }
.rank-score {
      font-weight: 700;
      color: var(--accent);
      font-size: 1.2rem;
    }
.section-title span.underline {
      background: linear-gradient(90deg, var(--primary), var(--accent));
      height: 3px;
      width: 70px;
      display: block;
      margin-top: 6px;
      border-radius: 3px;
    }
.filter-tabs a {
      color: var(--text);
      background: rgba(255,255,255,0.02);
      border: 1px solid rgba(255,255,255,0.05);
      padding: 0.4rem 1.2rem;
      border-radius: 40px;
      font-size: 0.9rem;
      font-weight: 500;
      transition: 0.2s;
    }
.filter-tabs a:hover, .filter-tabs a.active {
      background: var(--primary);
      color: #fff;
      border-color: var(--primary);
    }

/* --- 子页面追加 --- */
/* 本页专属样式 */
    .guide-hero {
      background: linear-gradient(135deg, rgba(6, 182, 212, 0.15) 0%, rgba(236, 72, 153, 0.1) 100%);
      padding: 60px 0 40px;
      text-align: center;
      border-bottom: 1px solid rgba(6, 182, 212, 0.2);
    }
.guide-hero h1 {
      font-size: 2.8rem;
      font-weight: 800;
      margin-bottom: 15px;
      color: var(--text);
    }
.guide-hero p {
      font-size: 1.1rem;
      color: rgba(224, 242, 254, 0.7);
      max-width: 700px;
      margin: 0 auto;
      line-height: 1.8;
    }
.guide-section {
      padding: 50px 0;
      border-bottom: 1px solid rgba(255, 255, 255, 0.06);
    }
.guide-section:last-child {
      border-bottom: none;
    }
.guide-section h2 {
      font-size: 1.8rem;
      font-weight: 700;
      margin-bottom: 25px;
      color: var(--text);
      position: relative;
      padding-left: 18px;
    }
.guide-section h2::before {
      content: '';
      position: absolute;
      left: 0;
      top: 6px;
      width: 4px;
      height: 28px;
      background: linear-gradient(180deg, var(--primary), var(--accent));
      border-radius: 2px;
    }
.guide-section h3 {
      font-size: 1.2rem;
      font-weight: 600;
      color: var(--primary);
      margin: 20px 0 12px;
    }
.guide-card {
      background: var(--card-bg);
      border-radius: var(--card-radius);
      padding: 24px;
      margin-bottom: 20px;
      border: 1px solid rgba(255, 255, 255, 0.05);
      box-shadow: 0 4px 15px var(--shadow);
      transition: transform 0.3s ease, box-shadow 0.3s ease;
    }
.guide-card:hover {
      transform: translateY(-4px);
      box-shadow: 0 8px 25px var(--shadow);
    }
.guide-card .step-num {
      display: inline-flex;
      align-items: center;
      justify-content: center;
      width: 36px;
      height: 36px;
      border-radius: 50%;
      background: linear-gradient(135deg, var(--primary), var(--accent));
      color: #fff;
      font-weight: 700;
      margin-bottom: 12px;
    }
.guide-card p {
      color: rgba(224, 242, 254, 0.75);
      line-height: 1.8;
      font-size: 0.95rem;
    }
.guide-card ul {
      list-style: none;
      padding: 0;
      margin: 12px 0 0;
    }
.guide-card ul li {
      padding: 6px 0 6px 20px;
      position: relative;
      color: rgba(224, 242, 254, 0.8);
      font-size: 0.93rem;
    }
.guide-card ul li::before {
      content: '▸';
      position: absolute;
      left: 0;
      color: var(--primary);
      font-size: 1rem;
    }
.tip-box {
      background: rgba(6, 182, 212, 0.08);
      border-left: 3px solid var(--primary);
      border-radius: 8px;
      padding: 16px 20px;
      margin: 20px 0;
    }
.tip-box p {
      margin: 0;
      color: rgba(224, 242, 254, 0.85);
      font-size: 0.95rem;
      line-height: 1.7;
    }
.tip-box i {
      color: var(--primary);
      margin-right: 8px;
    }
.step-grid {
      display: grid;
      grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
      gap: 20px;
      margin-top: 20px;
    }
.guide-hero h1 {
        font-size: 2rem;
      }
.guide-section h2 {
        font-size: 1.4rem;
      }
.guide-card {
        padding: 18px;
      }

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