:root{
      --primary:#dc2626;
      --accent:#fb923c;
      --bg:#141013;
      --text:#fef2f2;
      --border-thick:4px solid var(--primary);
      --hard-shadow:8px 8px 0 rgba(220,38,38,0.3);
      --card-bg:#1c161c;
    }
    *{
      border-radius:0 !important;
      font-family:'Noto Sans SC',sans-serif;
    }
    body{
      background:var(--bg);
      color:var(--text);
      font-weight:300;
      letter-spacing:0.3px;
    }
    h1,h2,h3,.font-serif{
      font-family:'Noto Serif SC',serif;
      font-weight:900;
    }
    /* 导航吸顶+透明过渡 */
    .navbar-mushroom{
      position:sticky;
      top:0;
      z-index:1080;
      background:rgba(20,16,19,0.7);
      backdrop-filter: blur(8px);
      border-bottom:3px solid var(--primary);
      transition: background .3s ease, box-shadow .2s;
      padding:0.8rem 1rem;
    }
    .navbar-mushroom.scrolled{
      background:rgba(20,16,19,0.95);
      box-shadow:0 6px 14px rgba(0,0,0,0.6);
    }
    .navbar-mushroom .navbar-brand{
      font-size:2rem;
      font-weight:900;
      color:var(--text) !important;
      font-family:'Noto Serif SC',serif;
      letter-spacing:2px;
      display:flex;
      align-items:center;
      gap:10px;
    }
    .navbar-mushroom .navbar-brand i{
      color:var(--accent);
      font-size:2rem;
    }
    .nav-links a{
      color:var(--text);
      text-decoration:none;
      font-weight:500;
      margin:0 1rem;
      font-size:1.1rem;
      position:relative;
      padding-bottom:4px;
      border-bottom:2px solid transparent;
    }
    .nav-links a:hover{
      border-bottom:2px solid var(--primary);
      color:var(--accent);
    }
    /* hero */
    .hero-block{
      min-height:80vh;
      background:linear-gradient(145deg, #1f1218 0%, #141013 80%);
      display:flex;
      align-items:center;
      justify-content:center;
      text-align:center;
      border-bottom:4px solid var(--primary);
      position:relative;
    }
    .hero-block h1{
      font-size:4rem;
      font-weight:900;
      color:var(--text);
      text-shadow:6px 6px 0 var(--primary);
      letter-spacing:2px;
    }
    .hero-sub{
      font-size:1.4rem;
      color:var(--accent);
      font-weight:400;
      margin:1.2rem 0 2rem;
    }
    .btn-hard{
      background:var(--primary);
      border:3px solid var(--text);
      color:var(--text);
      padding:0.8rem 2rem;
      font-weight:700;
      font-size:1.2rem;
      box-shadow:5px 5px 0 var(--text);
      transition:all .1s ease;
      margin:0 0.5rem;
      text-transform:uppercase;
    }
    .btn-hard:hover{
      background:var(--accent);
      transform:translate(2px,2px);
      box-shadow:2px 2px 0 var(--text);
      color:#141013;
    }
    .btn-outline-hard{
      background:transparent;
      border:3px solid var(--primary);
      color:var(--primary);
      box-shadow:5px 5px 0 var(--primary);
    }
    .btn-outline-hard:hover{
      background:var(--primary);
      color:white;
    }
    /* section */
    .section-title{
      font-size:2.8rem;
      font-weight:900;
      border-left:8px solid var(--primary);
      padding-left:1.5rem;
      margin:3rem 0 2rem;
      text-transform:uppercase;
      letter-spacing:1px;
    }
    .section-title i{
      color:var(--accent);
      margin-right:0.8rem;
    }
    /* 卡片网格 */
    .poster-card{
      background:var(--card-bg);
      border:3px solid #3a2a2a;
      box-shadow:6px 6px 0 rgba(220,38,38,0.2);
      transition: transform .2s, border-color .2s, box-shadow .2s;
      height:100%;
      cursor:pointer;
      position:relative;
      display:flex;
      flex-direction:column;
      opacity:0;
      transform:translateY(20px);
      animation:cardFade .4s forwards;
    }
    .poster-card:hover{
      transform:scale(1.02);
      border-color:var(--primary);
      box-shadow:10px 10px 0 rgba(251,146,60,0.3);
      z-index:5;
    }
    @keyframes cardFade{
      to{opacity:1;transform:translateY(0);}
    }
    /* 错落延迟 */
    .poster-card:nth-child(odd){animation-delay:.1s}
    .poster-card:nth-child(3n){animation-delay:.2s}
    .poster-card:nth-child(5n){animation-delay:.3s}
    .poster-card .card-img-wrap{
      aspect-ratio:2/3;
      background:#2b1d24;
      overflow:hidden;
      border-bottom:3px solid #3a2a2a;
    }
    .poster-card img{
      width:100%;
      height:100%;
      object-fit:cover;
      display:block;
    }
    .card-badge{
      position:absolute;
      top:8px;
      left:8px;
      background:var(--primary);
      color:#fff;
      font-weight:700;
      padding:2px 10px;
      border:2px solid var(--text);
      font-size:0.8rem;
      z-index:3;
      box-shadow:2px 2px 0 #000;
    }
    .card-score{
      position:absolute;
      right:8px;
      top:8px;
      background:var(--accent);
      color:#141013;
      font-weight:900;
      padding:2px 8px;
      border:2px solid #141013;
      font-size:1rem;
      z-index:3;
    }
    .card-info{
      padding:0.8rem 0.8rem 1rem;
      border-top:2px solid #2e1f26;
    }
    .card-info h5{
      font-weight:700;
      margin-bottom:4px;
      font-size:1.1rem;
      font-family:'Noto Sans SC';
    }
    .card-info .meta{
      font-size:0.8rem;
      color:#bbb;
    }
    /* 分类入口 */
    .cat-entry{
      background:var(--card-bg);
      border:3px solid #3a2a2a;
      padding:1rem;
      text-align:center;
      font-weight:700;
      font-size:1.3rem;
      box-shadow:4px 4px 0 rgba(220,38,38,0.4);
      transition: .1s;
      color:var(--text);
      display:block;
      text-decoration:none;
    }
    .cat-entry i{
      color:var(--accent);
      margin-right:0.5rem;
    }
    .cat-entry:hover{
      background:var(--primary);
      border-color:var(--text);
      color:white;
    }
    /* 排行榜 */
    .rank-list{
      background:var(--card-bg);
      border:3px solid #3a2a2a;
      padding:0;
      list-style:none;
      box-shadow:5px 5px 0 rgba(0,0,0,0.5);
    }
    .rank-item{
      display:flex;
      justify-content:space-between;
      padding:0.8rem 1rem;
      border-bottom:2px solid #2e1f26;
      align-items:center;
    }
    .rank-item .rank-num{
      background:var(--primary);
      color:white;
      font-weight:900;
      width:2rem;
      height:2rem;
      display:inline-flex;
      align-items:center;
      justify-content:center;
      margin-right:1rem;
    }
    /* 专题 + FAQ */
    .topic-block{
      border:3px solid var(--primary);
      background:#1a1318;
      padding:2rem;
      box-shadow:8px 8px 0 rgba(251,146,60,0.15);
    }
    .faq-q{
      font-weight:700;
      font-size:1.2rem;
      border-left:4px solid var(--accent);
      padding-left:1rem;
      margin:1.5rem 0 0.5rem;
    }
    /* footer */
    .footer-mushroom{
      border-top:4px solid var(--primary);
      background:#0f0b0e;
      padding:2rem 0;
      margin-top:3rem;
    }
    .friend-links{
      border-top:2px solid #3a2a2a;
      margin-top:1rem;
      padding-top:1.5rem;
      font-size:1rem;
    }
    /* 翻转卡片弹窗(直接展示于卡片内,我们采用flip效果,隐藏真实卡片,显示背面详情) */
    .flip-card{
      position: relative;
      transform-style: preserve-3d;
      transition: transform 0.4s;
    }
    .flip-card.flipped{
      transform: rotateY(180deg);
    }
    .flip-front, .flip-back{
      backface-visibility: hidden;
    }
    /* 但我们用JS控制添加一个overlay做详情? 这里简化: 点击卡片弹出模态框实现翻转效果 —— 但要求是卡片原地翻转。所以我们在卡片内增加一个隐藏的back-face,但为了不影响现有布局,用模态框模拟翻转卡片: 我们采用点击卡片后模态框内容翻转展示详情。原卡片不变。细节：卡片正面保持不变，点击后弹窗内部呈现翻转卡片样式。我们用css实现弹窗内部翻转。
    但用户要求“点击时海报卡片原地翻转”，所以我们卡片自身包含正反面，默认正面可见，背面隐藏，点击后添加flip类。为保证多卡片不影响，每个卡片都含正反结构。
    */
    .poster-card{
      perspective: 1000px;
    }
    .poster-card-inner{
      position: relative;
      width: 100%;
      height: 100%;
      transition: transform 0.5s;
      transform-style: preserve-3d;
    }
    .poster-card.flipped .poster-card-inner{
      transform: rotateY(180deg);
    }
    .flip-front, .flip-back{
      position: absolute;
      width: 100%;
      height: 100%;
      backface-visibility: hidden;
    }
    .flip-front{
      /* 原卡片内容 */
      display: flex;
      flex-direction: column;
    }
    .flip-back{
      transform: rotateY(180deg);
      background: var(--card-bg);
      border:3px solid var(--primary);
      padding:1rem;
      overflow-y:auto;
      display:flex;
      flex-direction:column;
    }
    .flip-back h6{ font-weight:700; border-bottom:2px solid var(--primary);}
    .flip-back .close-flip{
      background:none;
      border:2px solid var(--primary);
      color:var(--primary);
      align-self:flex-end;
      font-weight:900;
      padding:0 8px;
      cursor:pointer;
    }
    .poster-card .card-img-wrap{ position: relative;}
    /* 修复卡片高度 */
    .poster-card{ min-height: 320px; }
    .poster-card .flip-back{
      position:absolute;
      top:0; left:0; right:0; bottom:0;
    }

/* --- 子页面追加 --- */
/* 页面专属少量样式 */
        .about-hero {
            background: linear-gradient(135deg, rgba(220,38,38,0.15) 0%, rgba(251,146,60,0.08) 50%, rgba(20,16,19,0.3) 100%);
            border-bottom: 2px solid rgba(220,38,38,0.3);
        }
.about-section {
            background: var(--card-bg);
            border: 1px solid rgba(220,38,38,0.25);
            border-radius: 12px;
            padding: 2rem;
            margin-bottom: 2rem;
            transition: transform 0.2s ease, box-shadow 0.2s ease;
        }
.about-section:hover {
            transform: translateY(-3px);
            box-shadow: var(--hard-shadow);
        }
.about-section h2 {
            color: var(--primary);
            font-weight: 800;
            font-size: 1.5rem;
            margin-bottom: 1.2rem;
            border-left: 4px solid var(--accent);
            padding-left: 1rem;
        }
.about-section p {
            color: var(--text);
            line-height: 1.9;
            font-weight: 300;
            opacity: 0.95;
        }
.about-section ul {
            color: var(--text);
            font-weight: 300;
            line-height: 2;
            padding-left: 1.5rem;
        }
.about-section li::marker {
            color: var(--accent);
        }
.stat-number {
            font-size: 2.8rem;
            font-weight: 900;
            color: var(--primary);
            text-shadow: 2px 2px 0 rgba(251,146,60,0.3);
        }
.stat-label {
            color: var(--text);
            opacity: 0.8;
            font-weight: 400;
            letter-spacing: 0.05em;
        }
.feature-icon {
            font-size: 2.2rem;
            color: var(--accent);
            margin-bottom: 1rem;
        }
.highlight-text {
            color: var(--accent);
            font-weight: 600;
        }
.timeline-item {
            position: relative;
            padding-left: 2rem;
            border-left: 2px solid rgba(220,38,38,0.3);
            margin-bottom: 1.8rem;
        }
.timeline-item::before {
            content: '';
            position: absolute;
            left: -8px;
            top: 5px;
            width: 14px;
            height: 14px;
            background: var(--primary);
            border-radius: 50%;
            border: 2px solid var(--accent);
        }
.timeline-date {
            color: var(--accent);
            font-weight: 600;
            font-size: 0.9rem;
            letter-spacing: 0.05em;
        }

/* --- 子页面追加 --- */
/* 帮助页专属样式 */
        .help-hero { padding: 80px 0 40px; background: linear-gradient(180deg, var(--bg) 0%, var(--card-bg) 100%); border-bottom: var(--border-thick); }
.help-search { max-width: 600px; margin: 30px auto 0; }
.help-search input { background: rgba(0,0,0,.4); border: 2px solid var(--primary); color: var(--text); padding: 12px 20px; border-radius: 0; width: 100%; }
.help-search input:focus { outline: none; border-color: var(--accent); box-shadow: 0 0 0 3px rgba(220,38,38,.2); }
.help-search input::placeholder { color: rgba(254,242,242,.5); }
.help-section { padding: 50px 0; border-bottom: 1px solid rgba(220,38,38,.2); }
.help-section:last-child { border-bottom: none; }
.help-card { background: var(--card-bg); border: 2px solid rgba(220,38,38,.3); padding: 25px; margin-bottom: 20px; transition: all .3s; }
.help-card:hover { border-color: var(--primary); transform: translateY(-3px); box-shadow: var(--hard-shadow); }
.help-card i { color: var(--primary); font-size: 2rem; margin-bottom: 15px; }
.help-card h3 { color: var(--text); font-size: 1.2rem; font-weight: 700; margin-bottom: 12px; }
.help-card p { color: rgba(254,242,242,.7); font-size: .95rem; line-height: 1.7; }
.faq-item { background: var(--card-bg); border: 1px solid rgba(220,38,38,.2); margin-bottom: 15px; }
.faq-item summary { padding: 18px 20px; cursor: pointer; font-weight: 600; color: var(--text); list-style: none; display: flex; justify-content: space-between; align-items: center; }
.faq-item summary::after { content: '+'; font-size: 1.5rem; color: var(--primary); transition: transform .3s; }
.faq-item[open] summary::after { transform: rotate(45deg); }
.faq-item summary::-webkit-details-marker { display: none; }
.faq-item .faq-answer { padding: 0 20px 18px; color: rgba(254,242,242,.7); line-height: 1.7; }
.help-tip { background: rgba(220,38,38,.1); border-left: 4px solid var(--primary); padding: 15px 20px; margin: 20px 0; }
.help-tip i { color: var(--accent); margin-right: 10px; }
.quick-links { display: flex; flex-wrap: wrap; gap: 10px; margin-top: 15px; }
.quick-links a { background: rgba(220,38,38,.15); color: var(--text); padding: 8px 15px; text-decoration: none; border: 1px solid rgba(220,38,38,.3); transition: all .3s; font-size: .9rem; }
.quick-links a:hover { background: var(--primary); color: #fff; }
.step-number { display: inline-block; width: 30px; height: 30px; background: var(--primary); color: #fff; text-align: center; line-height: 30px; font-weight: 700; margin-right: 10px; }

/* --- 子页面追加 --- */
.collection-hero {
            background: linear-gradient(135deg, var(--bg) 0%, #2a1218 100%);
            border-bottom: var(--border-thick);
            padding: 80px 0 60px;
            position: relative;
            overflow: hidden;
        }
.collection-hero::before {
            content: '';
            position: absolute;
            top: -50%;
            right: -20%;
            width: 600px;
            height: 600px;
            background: radial-gradient(circle, rgba(220,38,38,0.15) 0%, transparent 70%);
            border-radius: 50%;
        }
.collection-hero h1 {
            font-size: 3rem;
            font-weight: 900;
            color: var(--text);
            margin-bottom: 16px;
            position: relative;
            z-index: 1;
        }
.collection-hero p {
            color: rgba(254,242,242,0.75);
            font-size: 1.1rem;
            max-width: 720px;
            position: relative;
            z-index: 1;
        }
.collection-hero .badge-mushroom {
            display: inline-block;
            background: var(--primary);
            color: #fff;
            padding: 4px 14px;
            border-radius: 30px;
            font-size: 0.85rem;
            font-weight: 600;
            margin-bottom: 20px;
            position: relative;
            z-index: 1;
        }
.collection-card {
            background: var(--card-bg);
            border: 2px solid rgba(220,38,38,0.25);
            border-radius: 12px;
            padding: 24px;
            transition: all 0.3s ease;
            height: 100%;
            margin-bottom: 24px;
        }
.collection-card:hover {
            border-color: var(--primary);
            transform: translateY(-4px);
            box-shadow: var(--hard-shadow);
        }
.collection-card .card-tag {
            display: inline-block;
            background: rgba(220,38,38,0.15);
            color: var(--accent);
            padding: 3px 12px;
            border-radius: 20px;
            font-size: 0.8rem;
            font-weight: 600;
            margin-bottom: 14px;
        }
.collection-card h3 {
            color: var(--text);
            font-size: 1.3rem;
            font-weight: 700;
            margin-bottom: 10px;
        }
.collection-card p {
            color: rgba(254,242,242,0.7);
            font-size: 0.92rem;
            line-height: 1.7;
        }
.collection-card .count {
            color: var(--primary);
            font-weight: 700;
            font-size: 0.9rem;
            margin-top: 12px;
        }
.collection-card .count i {
            margin-right: 6px;
        }
.featured-list {
            background: var(--card-bg);
            border: 2px solid var(--primary);
            border-radius: 16px;
            padding: 36px;
            margin: 50px 0;
            position: relative;
            overflow: hidden;
        }
.featured-list::before {
            content: '🔥';
            position: absolute;
            top: 20px;
            right: 30px;
            font-size: 2.5rem;
            opacity: 0.3;
        }
.featured-list .list-title {
            color: var(--primary);
            font-weight: 800;
            font-size: 1.6rem;
            margin-bottom: 20px;
        }
.featured-list .movie-item {
            display: flex;
            align-items: center;
            padding: 12px 0;
            border-bottom: 1px solid rgba(220,38,38,0.15);
        }
.featured-list .movie-item:last-child {
            border-bottom: none;
        }
.featured-list .movie-rank {
            width: 36px;
            height: 36px;
            background: var(--primary);
            color: #fff;
            border-radius: 8px;
            display: flex;
            align-items: center;
            justify-content: center;
            font-weight: 800;
            margin-right: 16px;
            flex-shrink: 0;
        }
.featured-list .movie-name {
            color: var(--text);
            font-weight: 600;
            font-size: 1rem;
        }
.featured-list .movie-desc {
            color: rgba(254,242,242,0.6);
            font-size: 0.85rem;
            margin-left: auto;
            text-align: right;
            padding-left: 20px;
        }
.theme-section {
            margin: 50px 0;
        }
.theme-section .section-title {
            color: var(--text);
            font-weight: 800;
            font-size: 1.8rem;
            margin-bottom: 30px;
            border-left: 4px solid var(--primary);
            padding-left: 18px;
        }
.theme-card {
            background: var(--card-bg);
            border: 1px solid rgba(220,38,38,0.2);
            border-radius: 12px;
            padding: 20px;
            margin-bottom: 20px;
            transition: all 0.3s ease;
        }
.theme-card:hover {
            border-color: var(--accent);
            box-shadow: 0 4px 20px rgba(220,38,38,0.1);
        }
.theme-card .theme-icon {
            font-size: 2rem;
            margin-bottom: 12px;
            display: block;
        }
.theme-card h4 {
            color: var(--text);
            font-weight: 700;
            font-size: 1.1rem;
            margin-bottom: 8px;
        }
.theme-card p {
            color: rgba(254,242,242,0.7);
            font-size: 0.88rem;
            line-height: 1.6;
            margin-bottom: 10px;
        }
.theme-card .link-more {
            color: var(--accent);
            font-size: 0.85rem;
            font-weight: 600;
            text-decoration: none;
        }
.theme-card .link-more:hover {
            color: var(--primary);
            text-decoration: underline;
        }
.note-box {
            background: rgba(220,38,38,0.08);
            border-left: 4px solid var(--primary);
            padding: 20px 24px;
            border-radius: 0 12px 12px 0;
            margin: 40px 0;
        }
.note-box p {
            color: rgba(254,242,242,0.8);
            font-size: 0.95rem;
            line-height: 1.7;
            margin: 0;
        }
.note-box i {
            color: var(--accent);
            margin-right: 8px;
        }
.collection-hero h1 {
                font-size: 2rem;
            }
.featured-list {
                padding: 24px;
            }
.featured-list .movie-desc {
                display: none;
            }
.collection-card {
                padding: 18px;
            }

/* --- 子页面追加 --- */
.disclaimer-page { max-width: 900px; margin: 0 auto; padding: 40px 20px; }
.disclaimer-title { font-size: 2.5rem; font-weight: 900; color: var(--text); margin-bottom: 30px; text-align: center; }
.disclaimer-title span { color: var(--primary); }
.disclaimer-section { background: var(--card-bg); border-left: 4px solid var(--primary); padding: 25px 30px; margin-bottom: 25px; border-radius: 0 12px 12px 0; box-shadow: 4px 4px 0 rgba(220,38,38,0.15); }
.disclaimer-section h2 { font-size: 1.4rem; font-weight: 800; color: var(--accent); margin-bottom: 15px; display: flex; align-items: center; gap: 10px; }
.disclaimer-section h2 i { color: var(--primary); font-size: 1.2rem; }
.disclaimer-section p, .disclaimer-section li { color: rgba(254,242,242,0.85); line-height: 1.8; font-size: 0.95rem; }
.disclaimer-section ul { padding-left: 20px; margin-bottom: 10px; }
.disclaimer-section li { margin-bottom: 8px; }
.disclaimer-updated { text-align: center; color: rgba(254,242,242,0.6); font-size: 0.85rem; margin-top: 40px; padding: 15px; border-top: 1px solid rgba(254,242,242,0.1); }
.disclaimer-title { font-size: 1.8rem; }
.disclaimer-section { padding: 20px; }

/* --- 子页面追加 --- */
/* 页面专属补充样式 */
        .sitemap-section {
            padding: 70px 0;
        }
.sitemap-section:nth-child(even) {
            background: rgba(0,0,0,0.15);
        }
.sitemap-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
            gap: 24px;
            margin-top: 30px;
        }
.sitemap-card {
            background: var(--card-bg);
            border: 1px solid rgba(220,38,38,0.25);
            border-radius: 12px;
            padding: 28px 24px;
            transition: all 0.3s ease;
            text-decoration: none;
            display: block;
            color: var(--text);
        }
.sitemap-card:hover {
            transform: translateY(-4px);
            border-color: var(--primary);
            box-shadow: var(--hard-shadow);
            color: var(--text);
        }
.sitemap-card i {
            font-size: 28px;
            color: var(--primary);
            margin-bottom: 14px;
            display: inline-block;
        }
.sitemap-card h3 {
            font-size: 1.25rem;
            font-weight: 700;
            margin-bottom: 10px;
            color: var(--text);
        }
.sitemap-card p {
            font-size: 0.9rem;
            opacity: 0.75;
            margin-bottom: 0;
            line-height: 1.6;
        }
.sitemap-card .go-link {
            display: inline-block;
            margin-top: 16px;
            font-size: 0.85rem;
            color: var(--accent);
            font-weight: 600;
        }
.sitemap-card .go-link i {
            font-size: 12px;
            margin-left: 6px;
            color: var(--accent);
        }
.sitemap-index {
            background: var(--card-bg);
            border: 1px solid rgba(220,38,38,0.2);
            border-radius: 12px;
            padding: 32px;
            margin-bottom: 40px;
        }
.sitemap-index ul {
            list-style: none;
            padding: 0;
            margin: 0;
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
            gap: 12px;
        }
.sitemap-index ul li a {
            color: var(--text);
            text-decoration: none;
            font-size: 0.95rem;
            padding: 8px 14px;
            border-radius: 8px;
            display: inline-block;
            transition: all 0.2s;
            border: 1px solid transparent;
        }
.sitemap-index ul li a:hover {
            background: rgba(220,38,38,0.15);
            border-color: rgba(220,38,38,0.3);
            color: var(--accent);
        }
.sitemap-index ul li a i {
            margin-right: 8px;
            font-size: 0.85rem;
            color: var(--primary);
        }
.sitemap-note {
            background: rgba(251,146,60,0.08);
            border-left: 4px solid var(--accent);
            border-radius: 0 12px 12px 0;
            padding: 20px 24px;
            margin-top: 40px;
        }
.sitemap-note p {
            margin-bottom: 0;
            font-size: 0.95rem;
            opacity: 0.85;
            line-height: 1.7;
        }
.sitemap-note i {
            color: var(--accent);
            margin-right: 10px;
        }
.sitemap-section {
                padding: 50px 0;
            }
.sitemap-index {
                padding: 24px;
            }