:root {
    --primary: #f97316;
    --accent: #facc15;
    --bg: #1a1410;
    --text: #fff7ed;
    --card-bg: #2a1f18;
    --card-hover: #35281f;
    --shadow: rgba(0,0,0,0.5);
    --radius: 14px;
    --radius-sm: 10px;
    --pill-radius: 50rem;
  }

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

  body {
    font-family: 'Inter', system-ui, -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    background-color: var(--bg);
    color: var(--text);
    line-height: 1.5;
    font-size: 0.925rem;
  }

  /* 滚动进度条 */
  #progress-bar {
    position: fixed;
    top: 0;
    left: 0;
    height: 3px;
    background: linear-gradient(90deg, var(--primary), var(--accent));
    z-index: 9999;
    width: 0%;
    transition: width 0.1s ease;
  }

  /* 导航栏 */
  .navbar-custom {
    background: rgba(26, 20, 16, 0.85);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    border-bottom: 1px solid rgba(249, 115, 22, 0.2);
    transition: all 0.4s ease;
    padding: 0.6rem 0;
  }

  .navbar-custom.scrolled {
    background: rgba(26, 20, 16, 0.98);
    box-shadow: 0 4px 20px rgba(0,0,0,0.4);
  }

  .navbar-brand {
    font-weight: 800;
    font-size: 1.4rem;
    color: var(--text) !important;
    letter-spacing: 1px;
  }

  .navbar-brand i {
    color: var(--primary);
    margin-right: 6px;
  }

  .navbar-nav .nav-link {
    color: rgba(255, 247, 237, 0.8);
    font-weight: 500;
    font-size: 0.95rem;
    padding: 0.4rem 1rem;
    border-radius: var(--pill-radius);
    transition: all 0.3s;
  }

  .navbar-nav .nav-link:hover {
    color: var(--accent);
    background: rgba(249, 115, 22, 0.15);
  }

  .navbar-toggler {
    border-color: rgba(249, 115, 22, 0.4);
  }

  .navbar-toggler-icon {
    background-image: url("data:image/svg+xml,%3csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 30 30'%3e%3cpath stroke='rgba(249, 115, 22, 0.8)' stroke-linecap='round' stroke-miterlimit='10' stroke-width='2' d='M4 7h22M4 15h22M4 23h22'/%3e%3c/svg%3e");
  }

  /* Hero 区域 */
  .hero-section {
    min-height: 75vh;
    background-image: linear-gradient(to bottom, rgba(26,20,16,0.4), var(--bg)), url('{随机图片}');
    background-size: cover;
    background-position: center;
    display: flex;
    align-items: center;
    justify-content: center;
    text-align: center;
    position: relative;
    padding: 80px 20px;
  }

  .hero-title {
    font-size: 3.5rem;
    font-weight: 900;
    color: var(--text);
    text-shadow: 0 4px 20px rgba(0,0,0,0.6);
    letter-spacing: 2px;
    margin-bottom: 1rem;
  }

  .hero-subtitle {
    font-size: 1.2rem;
    color: rgba(255, 247, 237, 0.9);
    max-width: 700px;
    margin: 0 auto 2rem;
    text-shadow: 0 2px 10px rgba(0,0,0,0.5);
  }

  .hero-btn {
    background: var(--primary);
    color: #fff;
    border: none;
    padding: 12px 36px;
    border-radius: var(--pill-radius);
    font-weight: 600;
    font-size: 1.1rem;
    transition: all 0.3s;
    box-shadow: 0 4px 15px rgba(249, 115, 22, 0.4);
  }

  .hero-btn:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 25px rgba(249, 115, 22, 0.6);
    color: #fff;
    background: #ea6a0f;
  }

  .typing-cursor {
    border-right: 3px solid var(--accent);
    animation: blink 0.8s step-end infinite;
  }

  @keyframes blink {
    0%, 100% { border-color: var(--accent); }
    50% { border-color: transparent; }
  }

  /* 区块标题 */
  .section-title {
    font-size: 1.5rem;
    font-weight: 800;
    color: var(--text);
    margin-bottom: 1.2rem;
    display: flex;
    align-items: center;
    gap: 10px;
    position: relative;
    padding-bottom: 10px;
  }

  .section-title::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 50px;
    height: 3px;
    background: linear-gradient(90deg, var(--primary), var(--accent));
    border-radius: 10px;
  }

  .section-title i {
    color: var(--primary);
  }

  .section-subtitle {
    color: rgba(255, 247, 237, 0.6);
    font-size: 0.85rem;
    margin-bottom: 1.5rem;
  }

  /* 影片卡片 */
  .movie-card {
    background: var(--card-bg);
    border-radius: var(--radius);
    overflow: hidden;
    border: none;
    box-shadow: 0 4px 12px rgba(0,0,0,0.3);
    transition: all 0.35s ease;
    position: relative;
    cursor: pointer;
    height: 100%;
    display: block;
    text-decoration: none;
    color: inherit;
  }

  .movie-card:hover {
    transform: translateY(-8px);
    box-shadow: 0 12px 28px rgba(0,0,0,0.5);
    color: inherit;
  }

  .movie-poster {
    position: relative;
    overflow: hidden;
    aspect-ratio: 2/3;
    background: #2d221b;
  }

  .movie-poster img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.4s ease;
  }

  .movie-card:hover .movie-poster img {
    transform: scale(1.05);
  }

  .movie-poster::after {
    content: '';
    position: absolute;
    inset: 0;
    background: linear-gradient(to top, rgba(26,20,16,0.9) 0%, transparent 60%);
    pointer-events: none;
  }

  .play-overlay {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    width: 50px;
    height: 50px;
    background: rgba(249, 115, 22, 0.9);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    opacity: 0;
    transition: all 0.3s ease;
    z-index: 2;
  }

  .movie-card:hover .play-overlay {
    opacity: 1;
  }

  .play-overlay i {
    color: #fff;
    font-size: 1.2rem;
    margin-left: 3px;
  }

  .movie-info {
    padding: 12px;
    position: relative;
    z-index: 3;
  }

  .movie-title {
    font-weight: 700;
    font-size: 0.9rem;
    margin-bottom: 4px;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
    color: var(--text);
  }

  .movie-meta {
    display: flex;
    justify-content: space-between;
    align-items: center;
    font-size: 0.75rem;
    color: rgba(255, 247, 237, 0.6);
  }

  .movie-rating {
    color: var(--accent);
    font-weight: 700;
    font-size: 0.85rem;
  }

  .movie-rating i {
    color: var(--accent);
    margin-right: 2px;
  }

  /* 翻转卡片 */
  .flip-container {
    perspective: 1000px;
    height: 100%;
  }

  .flip-inner {
    position: relative;
    width: 100%;
    height: 100%;
    transition: transform 0.6s;
    transform-style: preserve-3d;
  }

  .flip-container.flipped .flip-inner {
    transform: rotateY(180deg);
  }

  .flip-front, .flip-back {
    position: absolute;
    width: 100%;
    height: 100%;
    backface-visibility: hidden;
    border-radius: var(--radius);
    overflow: hidden;
  }

  .flip-back {
    transform: rotateY(180deg);
    background: var(--card-bg);
    padding: 16px;
    display: flex;
    flex-direction: column;
    justify-content: center;
    gap: 8px;
    border: 1px solid rgba(249, 115, 22, 0.2);
  }

  .flip-back .detail-type {
    color: var(--primary);
    font-weight: 700;
    font-size: 0.8rem;
    text-transform: uppercase;
    letter-spacing: 1px;
  }

  .flip-back .detail-title {
    font-weight: 800;
    font-size: 1.1rem;
    color: var(--text);
  }

  .flip-back .detail-info {
    font-size: 0.8rem;
    color: rgba(255, 247, 237, 0.8);
  }

  .flip-back .detail-info span {
    color: var(--accent);
    font-weight: 600;
  }

  .flip-back .detail-plot {
    font-size: 0.8rem;
    color: rgba(255, 247, 237, 0.7);
    line-height: 1.4;
    max-height: 90px;
    overflow-y: auto;
  }

  .flip-close {
    position: absolute;
    top: 8px;
    right: 8px;
    background: rgba(255,255,255,0.1);
    border: none;
    color: var(--text);
    width: 28px;
    height: 28px;
    border-radius: 50%;
    font-size: 0.9rem;
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    z-index: 4;
    transition: background 0.2s;
  }

  .flip-close:hover {
    background: rgba(255,255,255,0.2);
  }

  /* 榜单 */
  .rank-card {
    background: var(--card-bg);
    border-radius: var(--radius-sm);
    padding: 12px 16px;
    display: flex;
    align-items: center;
    gap: 14px;
    margin-bottom: 10px;
    transition: all 0.3s;
    cursor: pointer;
    border: 1px solid transparent;
  }

  .rank-card:hover {
    border-color: rgba(249, 115, 22, 0.3);
    background: var(--card-hover);
    transform: translateX(4px);
  }

  .rank-number {
    font-size: 1.2rem;
    font-weight: 900;
    color: var(--primary);
    min-width: 32px;
    text-align: center;
  }

  .rank-number.top-1 { color: var(--accent); }
  .rank-number.top-2 { color: #e0a800; }
  .rank-number.top-3 { color: #cd7f32; }

  .rank-info {
    flex: 1;
  }

  .rank-info .rank-title {
    font-weight: 600;
    font-size: 0.9rem;
  }

  .rank-info .rank-sub {
    font-size: 0.75rem;
    color: rgba(255, 247, 237, 0.5);
  }

  .rank-score {
    font-weight: 700;
    color: var(--accent);
    font-size: 0.9rem;
  }

  .rank-tag {
    background: rgba(249, 115, 22, 0.2);
    color: var(--primary);
    font-size: 0.7rem;
    padding: 2px 8px;
    border-radius: 10px;
    font-weight: 600;
  }

  /* 手风琴 */
  .accordion-item {
    background: var(--card-bg);
    border: 1px solid rgba(249, 115, 22, 0.15);
    border-radius: var(--radius-sm) !important;
    overflow: hidden;
    margin-bottom: 10px;
  }

  .accordion-button {
    background: var(--card-bg);
    color: var(--text);
    font-weight: 600;
    font-size: 0.9rem;
    padding: 14px 18px;
    border: none;
  }

  .accordion-button:not(.collapsed) {
    background: rgba(249, 115, 22, 0.15);
    color: var(--accent);
    box-shadow: none;
  }

  .accordion-button:focus {
    box-shadow: none;
    border-color: transparent;
  }

  .accordion-button::after {
    filter: invert(0.8);
  }

  .accordion-body {
    color: rgba(255, 247, 237, 0.8);
    font-size: 0.85rem;
    line-height: 1.6;
    padding: 14px 18px;
  }

  /* 心情标签 */
  .mood-tag {
    background: rgba(255,255,255,0.08);
    border: 1px solid rgba(255,255,255,0.1);
    color: var(--text);
    border-radius: var(--pill-radius);
    padding: 8px 20px;
    font-size: 0.85rem;
    font-weight: 500;
    cursor: pointer;
    transition: all 0.3s;
    margin-right: 8px;
    display: inline-block;
    margin-bottom: 8px;
  }

  .mood-tag:hover, .mood-tag.active {
    background: var(--primary);
    border-color: var(--primary);
    color: #fff;
    box-shadow: 0 4px 12px rgba(249, 115, 22, 0.3);
  }

  .mood-result {
    margin-top: 16px;
    padding: 16px;
    background: rgba(249, 115, 22, 0.1);
    border-radius: var(--radius-sm);
    border-left: 3px solid var(--primary);
    font-size: 0.9rem;
    min-height: 60px;
    display: none;
  }

  .mood-result.show { display: block; }

  /* 小贴士 */
  .tip-card {
    background: var(--card-bg);
    border-radius: var(--radius-sm);
    padding: 18px;
    height: 100%;
    border: 1px solid rgba(255,255,255,0.05);
    transition: all 0.3s;
  }

  .tip-card:hover {
    border-color: rgba(249, 115, 22, 0.3);
    transform: translateY(-4px);
  }

  .tip-card i {
    font-size: 1.5rem;
    color: var(--primary);
    margin-bottom: 10px;
  }

  .tip-card h6 {
    font-weight: 700;
    font-size: 0.95rem;
    margin-bottom: 6px;
  }

  .tip-card p {
    font-size: 0.8rem;
    color: rgba(255, 247, 237, 0.7);
    margin: 0;
  }

  /* 页脚 */
  .footer {
    background: #120e0b;
    padding: 50px 0 20px;
    border-top: 1px solid rgba(249, 115, 22, 0.15);
  }

  .footer h5 {
    font-weight: 700;
    font-size: 1rem;
    margin-bottom: 16px;
    color: var(--text);
  }

  .footer a {
    color: rgba(255, 247, 237, 0.6);
    text-decoration: none;
    font-size: 0.85rem;
    display: block;
    padding: 3px 0;
    transition: color 0.2s;
  }

  .footer a:hover {
    color: var(--accent);
  }

  .footer-bottom {
    border-top: 1px solid rgba(255,255,255,0.08);
    padding-top: 20px;
    margin-top: 30px;
    font-size: 0.8rem;
    color: rgba(255, 247, 237, 0.5);
    text-align: center;
  }

  /* 友情链接 */
  .friend-links {
    background: var(--card-bg);
    border-radius: var(--radius-sm);
    padding: 18px 20px;
    margin-top: 30px;
  }

  .friend-links h6 {
    font-weight: 700;
    font-size: 0.9rem;
    color: var(--accent);
    margin-bottom: 10px;
  }

  .friend-links a {
    color: rgba(255, 247, 237, 0.6);
    text-decoration: none;
    font-size: 0.8rem;
    margin-right: 16px;
    line-height: 2;
  }

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

  /* 即将上线 */
  .upcoming-card {
    background: var(--card-bg);
    border-radius: var(--radius-sm);
    overflow: hidden;
    transition: all 0.3s;
    height: 100%;
  }

  .upcoming-card:hover {
    transform: scale(1.02);
    box-shadow: 0 8px 20px rgba(0,0,0,0.4);
  }

  .upcoming-date {
    background: linear-gradient(135deg, var(--primary), #ea6a0f);
    color: #fff;
    font-size: 0.75rem;
    font-weight: 700;
    padding: 3px 10px;
    border-radius: 10px;
    display: inline-block;
  }

  /* 响应式 */
  @media (max-width: 768px) {
    .hero-title { font-size: 2.2rem; }
    .hero-subtitle { font-size: 1rem; }
    .section-title { font-size: 1.3rem; }
    .navbar-brand { font-size: 1.1rem; }
    .movie-meta { flex-direction: column; align-items: flex-start; gap: 2px; }
  }

  /* 滚动条 */
  ::-webkit-scrollbar {
    width: 8px;
    height: 8px;
  }
  ::-webkit-scrollbar-track {
    background: var(--bg);
  }
  ::-webkit-scrollbar-thumb {
    background: var(--primary);
    border-radius: 10px;
  }

/* --- 子页面追加 --- */
background: linear-gradient(135deg, rgba(26,20,16,.92) 0%, rgba(42,31,24,.88) 100%), url(' {随机图片}
.about-hero .hero-title {
            font-size: 2.4rem;
            font-weight: 900;
            color: var(--text);
            margin-bottom: 12px;
        }
.about-hero .hero-title span {
            color: var(--primary);
        }
.about-hero .hero-subtitle {
            font-size: 1.15rem;
            color: rgba(255,247,237,.75);
            max-width: 720px;
            margin: 0 auto;
            font-weight: 400;
            letter-spacing: .3px;
        }
.about-section {
            padding: 48px 0 30px;
        }
.about-section .section-title {
            font-size: 1.65rem;
            font-weight: 800;
            color: var(--primary);
            margin-bottom: 20px;
            position: relative;
            padding-bottom: 12px;
        }
.about-section .section-title::after {
            content: '';
            position: absolute;
            bottom: 0;
            left: 0;
            width: 60px;
            height: 3px;
            background: var(--accent);
            border-radius: 4px;
        }
.about-section .section-title i {
            margin-right: 8px;
            color: var(--accent);
        }
.about-content {
            color: rgba(255,247,237,.88);
            font-size: 1.02rem;
            line-height: 1.8;
            font-weight: 400;
        }
.about-content p {
            margin-bottom: 16px;
        }
.about-content strong {
            color: var(--accent);
            font-weight: 600;
        }
.about-highlight {
            background: var(--card-bg);
            border: 1px solid rgba(249,115,22,.25);
            border-radius: var(--radius);
            padding: 22px 26px;
            margin: 28px 0;
            box-shadow: 0 4px 20px var(--shadow);
        }
.about-highlight h4 {
            color: var(--primary);
            font-size: 1.1rem;
            font-weight: 700;
            margin-bottom: 12px;
        }
.about-highlight ul {
            padding-left: 20px;
            margin: 0;
        }
.about-highlight li {
            margin-bottom: 10px;
            color: rgba(255,247,237,.85);
            font-size: .98rem;
        }
.about-highlight li i {
            color: var(--accent);
            margin-right: 8px;
            width: 18px;
        }
.about-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
            gap: 24px;
            margin: 30px 0;
        }
.about-card {
            background: var(--card-bg);
            border: 1px solid rgba(249,115,22,.18);
            border-radius: var(--radius);
            padding: 28px 24px;
            transition: all .3s ease;
        }
.about-card:hover {
            transform: translateY(-6px);
            background: var(--card-hover);
            border-color: var(--primary);
            box-shadow: 0 8px 30px var(--shadow);
        }
.about-card-icon {
            width: 56px;
            height: 56px;
            background: rgba(249,115,22,.15);
            border-radius: 14px;
            display: flex;
            align-items: center;
            justify-content: center;
            margin-bottom: 18px;
        }
.about-card-icon i {
            font-size: 24px;
            color: var(--primary);
        }
.about-card h3 {
            font-size: 1.12rem;
            font-weight: 700;
            color: var(--text);
            margin-bottom: 10px;
        }
.about-card p {
            font-size: .95rem;
            color: rgba(255,247,237,.7);
            line-height: 1.65;
            margin: 0;
        }
.about-quote {
            border-left: 4px solid var(--primary);
            background: rgba(249,115,22,.08);
            padding: 20px 24px;
            border-radius: 0 var(--radius-sm) var(--radius-sm) 0;
            margin: 30px 0;
            font-style: italic;
            font-size: 1.05rem;
            color: rgba(255,247,237,.9);
        }
.about-quote .quote-author {
            display: block;
            margin-top: 10px;
            font-style: normal;
            font-size: .9rem;
            color: var(--accent);
            font-weight: 600;
        }
.about-cta {
            text-align: center;
            margin: 40px 0 20px;
            padding: 30px;
            background: var(--card-bg);
            border-radius: var(--radius);
            border: 1px solid rgba(249,115,22,.2);
        }
.about-cta h3 {
            font-size: 1.3rem;
            font-weight: 800;
            color: var(--text);
            margin-bottom: 10px;
        }
.about-cta p {
            color: rgba(255,247,237,.7);
            margin-bottom: 20px;
        }
.about-cta .btn-about {
            display: inline-block;
            padding: 12px 32px;
            background: var(--primary);
            color: #1a1410;
            font-weight: 700;
            border-radius: var(--pill-radius);
            text-decoration: none;
            transition: all .3s ease;
            border: 2px solid var(--primary);
        }
.about-cta .btn-about:hover {
            background: transparent;
            color: var(--primary);
        }

/* --- 子页面追加 --- */
.disclaimer-section { padding: 60px 0; }
.disclaimer-container { max-width: 960px; margin: 0 auto; }
.disclaimer-card {
            background: var(--card-bg);
            border-radius: var(--radius);
            padding: 32px;
            margin-bottom: 28px;
            border-left: 4px solid var(--primary);
            transition: all 0.3s ease;
        }
.disclaimer-card:hover { background: var(--card-hover); }
.disclaimer-card h2 { color: var(--primary); font-size: 1.5rem; font-weight: 700; margin-bottom: 16px; display: flex; align-items: center; gap: 10px; }
.disclaimer-card h2 i { font-size: 1.3rem; }
.disclaimer-card p { color: var(--text); line-height: 1.8; font-size: 0.95rem; margin-bottom: 12px; }
.disclaimer-card p:last-child { margin-bottom: 0; }
.disclaimer-card ul { padding-left: 20px; margin-bottom: 12px; }
.disclaimer-card ul li { color: var(--text); line-height: 1.8; font-size: 0.95rem; margin-bottom: 6px; }
.disclaimer-card strong { color: var(--accent); }
.disclaimer-page-title { text-align: center; padding: 50px 0 20px; }
.disclaimer-page-title h1 { color: var(--text); font-size: 2.2rem; font-weight: 800; }
.disclaimer-page-title h1 span { color: var(--primary); }
.disclaimer-page-title .subtitle { color: rgba(255,247,237,0.7); font-size: 1rem; margin-top: 12px; }
.last-updated { text-align: center; color: rgba(255,247,237,0.5); font-size: 0.85rem; margin-bottom: 40px; }
.back-home { text-align: center; margin: 40px 0 60px; }
.back-home a { color: var(--primary); text-decoration: none; font-weight: 600; transition: all 0.3s ease; }
.back-home a:hover { color: var(--accent); }

/* --- 子页面追加 --- */
/* 排行榜页面专属样式 */
        .rank-hero {
            padding: 60px 0 30px;
            text-align: center;
            background: linear-gradient(135deg, rgba(249,115,22,0.12) 0%, transparent 50%, rgba(250,204,21,0.08) 100%);
            border-bottom: 1px solid rgba(249,115,22,0.15);
        }
.rank-hero .section-title {
            margin-bottom: 10px;
        }
.rank-hero p {
            color: rgba(255,247,237,0.65);
            font-size: 0.95rem;
            max-width: 700px;
            margin: 0 auto;
        }
.rank-tabs {
            display: flex;
            justify-content: center;
            flex-wrap: wrap;
            gap: 8px;
            margin: 30px 0 10px;
        }
.rank-tab-btn {
            background: var(--card-bg);
            color: var(--text);
            border: 1px solid rgba(249,115,22,0.25);
            border-radius: var(--pill-radius);
            padding: 8px 20px;
            font-size: 0.9rem;
            font-weight: 500;
            cursor: pointer;
            transition: all 0.25s ease;
        }
.rank-tab-btn:hover {
            background: var(--card-hover);
            border-color: var(--primary);
        }
.rank-tab-btn.active {
            background: var(--primary);
            color: #fff;
            border-color: var(--primary);
            box-shadow: 0 4px 15px rgba(249,115,22,0.35);
        }
.rank-section {
            padding: 20px 0 50px;
        }
.rank-section-header {
            display: flex;
            align-items: center;
            gap: 12px;
            margin-bottom: 25px;
            padding-top: 15px;
        }
.rank-section-header .icon-badge {
            width: 40px;
            height: 40px;
            border-radius: var(--radius-sm);
            background: linear-gradient(135deg, var(--primary), var(--accent));
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1.1rem;
            color: #fff;
            flex-shrink: 0;
        }
.rank-section-header h2 {
            font-size: 1.4rem;
            font-weight: 800;
            margin: 0;
            color: var(--text);
            letter-spacing: -0.02em;
        }
.rank-section-header .update-info {
            margin-left: auto;
            font-size: 0.78rem;
            color: rgba(255,247,237,0.45);
            background: rgba(249,115,22,0.1);
            padding: 4px 12px;
            border-radius: var(--pill-radius);
            border: 1px solid rgba(249,115,22,0.15);
            white-space: nowrap;
        }
.rank-list {
            display: flex;
            flex-direction: column;
            gap: 10px;
        }
.rank-item {
            display: flex;
            align-items: center;
            background: var(--card-bg);
            border-radius: var(--radius-sm);
            padding: 12px 16px;
            border: 1px solid rgba(255,255,255,0.04);
            transition: all 0.25s ease;
            position: relative;
            overflow: hidden;
        }
.rank-item:hover {
            background: var(--card-hover);
            transform: translateX(6px);
            border-color: rgba(249,115,22,0.3);
        }
.rank-item .rank-number {
            width: 36px;
            height: 36px;
            border-radius: var(--radius-sm);
            display: flex;
            align-items: center;
            justify-content: center;
            font-weight: 800;
            font-size: 1rem;
            background: rgba(255,255,255,0.06);
            color: rgba(255,247,237,0.7);
            margin-right: 14px;
            flex-shrink: 0;
        }
.rank-item:nth-child(1) .rank-number {
            background: linear-gradient(135deg, #fbbf24, #f59e0b);
            color: #1a1410;
            box-shadow: 0 4px 12px rgba(245,158,11,0.35);
        }
.rank-item:nth-child(2) .rank-number {
            background: linear-gradient(135deg, #c0c0c0, #9ca3af);
            color: #1a1410;
            box-shadow: 0 4px 12px rgba(156,163,175,0.3);
        }
.rank-item:nth-child(3) .rank-number {
            background: linear-gradient(135deg, #cd7f32, #b45309);
            color: #fff;
            box-shadow: 0 4px 12px rgba(180,83,9,0.3);
        }
.rank-item .rank-info {
            flex: 1;
            min-width: 0;
        }
.rank-item .rank-title {
            font-weight: 600;
            font-size: 0.95rem;
            color: var(--text);
            white-space: nowrap;
            overflow: hidden;
            text-overflow: ellipsis;
            margin-bottom: 2px;
        }
.rank-item .rank-meta {
            font-size: 0.78rem;
            color: rgba(255,247,237,0.5);
            display: flex;
            align-items: center;
            gap: 10px;
            flex-wrap: wrap;
        }
.rank-item .rank-meta .tag {
            background: rgba(249,115,22,0.15);
            color: var(--primary);
            padding: 1px 8px;
            border-radius: var(--pill-radius);
            font-size: 0.7rem;
            font-weight: 600;
        }
.rank-item .rank-heat {
            text-align: right;
            margin-left: 10px;
            flex-shrink: 0;
        }
.rank-item .rank-heat .heat-num {
            font-weight: 700;
            font-size: 0.9rem;
            color: var(--accent);
        }
.rank-item .rank-heat .heat-label {
            font-size: 0.68rem;
            color: rgba(255,247,237,0.4);
            display: block;
        }
.rank-item .trend-up {
            color: #34d399;
            font-size: 0.7rem;
            margin-left: 6px;
        }
.rank-item .trend-down {
            color: #f87171;
            font-size: 0.7rem;
            margin-left: 6px;
        }
.rank-item .trend-flat {
            color: rgba(255,247,237,0.4);
            font-size: 0.7rem;
            margin-left: 6px;
        }
.rank-note {
            background: rgba(249,115,22,0.08);
            border-left: 3px solid var(--primary);
            border-radius: 0 var(--radius-sm) var(--radius-sm) 0;
            padding: 16px 20px;
            margin-top: 35px;
            font-size: 0.85rem;
            color: rgba(255,247,237,0.75);
            line-height: 1.7;
        }
.rank-note strong {
            color: var(--accent);
        }
.rank-note i {
            color: var(--primary);
            margin-right: 6px;
        }
.rank-hero { padding: 40px 0 20px; }
.rank-section-header { flex-wrap: wrap; }
.rank-section-header .update-info { margin-left: 0; width: 100%; text-align: left; }
.rank-item { padding: 10px 12px; }
.rank-item .rank-number { width: 30px; height: 30px; font-size: 0.85rem; margin-right: 10px; }
.rank-item .rank-title { font-size: 0.88rem; }
.rank-item .rank-meta { font-size: 0.72rem; }
.rank-tab-btn { padding: 6px 14px; font-size: 0.82rem; }

/* --- 子页面追加 --- */
.guide-hero {
            background: linear-gradient(135deg, rgba(249,115,22,0.15) 0%, rgba(26,20,16,0.8) 50%, rgba(250,204,21,0.1) 100%);
            padding: 80px 0 60px;
            border-bottom: 1px solid rgba(249,115,22,0.2);
        }
.guide-section {
            padding: 50px 0;
            border-bottom: 1px solid rgba(255,255,255,0.06);
        }
.guide-section:last-of-type {
            border-bottom: none;
        }
.guide-card {
            background: var(--card-bg);
            border-radius: var(--radius);
            padding: 28px;
            height: 100%;
            transition: transform 0.3s ease, background 0.3s ease;
            border: 1px solid rgba(249,115,22,0.12);
        }
.guide-card:hover {
            background: var(--card-hover);
            transform: translateY(-4px);
        }
.guide-icon {
            width: 52px;
            height: 52px;
            border-radius: 12px;
            background: rgba(249,115,22,0.15);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 22px;
            color: var(--primary);
            margin-bottom: 18px;
        }
.guide-steps {
            position: relative;
            padding-left: 40px;
        }
.guide-steps::before {
            content: '';
            position: absolute;
            left: 15px;
            top: 8px;
            bottom: 8px;
            width: 2px;
            background: linear-gradient(to bottom, var(--primary), var(--accent));
            opacity: 0.3;
            border-radius: 2px;
        }
.step-item {
            position: relative;
            margin-bottom: 28px;
        }
.step-item::before {
            content: attr(data-step);
            position: absolute;
            left: -40px;
            top: 0;
            width: 32px;
            height: 32px;
            border-radius: 50%;
            background: var(--primary);
            color: #fff;
            font-size: 14px;
            font-weight: 700;
            display: flex;
            align-items: center;
            justify-content: center;
            box-shadow: 0 4px 12px rgba(249,115,22,0.3);
        }
.step-item h4 {
            margin-bottom: 8px;
        }
.tip-box {
            background: rgba(250,204,21,0.08);
            border: 1px solid rgba(250,204,21,0.2);
            border-radius: var(--radius-sm);
            padding: 16px 20px;
            margin-top: 20px;
            display: flex;
            gap: 12px;
            align-items: flex-start;
        }
.tip-box i {
            color: var(--accent);
            font-size: 18px;
            margin-top: 2px;
        }
.faq-item {
            background: var(--card-bg);
            border-radius: var(--radius-sm);
            padding: 20px 24px;
            margin-bottom: 14px;
            border-left: 3px solid var(--primary);
        }
.faq-item h5 {
            color: var(--accent);
            margin-bottom: 8px;
            font-size: 16px;
        }
.faq-item p {
            margin: 0;
            color: rgba(255,247,237,0.8);
            font-size: 15px;
            line-height: 1.7;
        }
.device-grid {
            display: grid;
            grid-template-columns: repeat(auto-fill, minmax(200px, 1fr));
            gap: 16px;
        }
.device-item {
            background: var(--card-bg);
            border-radius: var(--radius-sm);
            padding: 20px;
            text-align: center;
            border: 1px solid rgba(255,255,255,0.06);
        }
.device-item i {
            font-size: 32px;
            color: var(--primary);
            margin-bottom: 12px;
        }
.device-item p {
            margin: 0;
            font-size: 14px;
            color: rgba(255,247,237,0.8);
        }
.nav-link.active {
            color: var(--primary) !important;
            font-weight: 600;
        }
.navbar-custom .nav-link {
            color: rgba(255,247,237,0.8);
        }
.navbar-custom .nav-link:hover {
            color: var(--primary);
        }
.guide-cta {
            background: linear-gradient(135deg, rgba(249,115,22,0.12), rgba(250,204,21,0.08));
            border-radius: var(--radius);
            padding: 40px;
            text-align: center;
            margin-top: 40px;
            border: 1px solid rgba(249,115,22,0.2);
        }
.guide-cta h3 {
            color: var(--accent);
            margin-bottom: 12px;
        }
.guide-hero {
                padding: 50px 0 40px;
            }
.guide-section {
                padding: 40px 0;
            }
.guide-card {
                padding: 22px;
            }
.guide-cta {
                padding: 30px 20px;
            }

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