:root{
    --primary:#2563eb;
    --accent:#06b6d4;
    --bg:#f4f8ff;
    --ink:#0f1e3d;
    --line:#dbe6f7;
    --muted:#6b7a99;
    --radius:14px;
  }
  *{box-sizing:border-box;}
  html{scroll-behavior:smooth;}
  body{
    background:var(--bg);
    color:var(--ink);
    font-family:'Inter','PingFang SC','Microsoft YaHei',sans-serif;
    letter-spacing:.01em;
    overflow-x:hidden;
  }
  h1,h2,h3,.hand{
    font-family:'Inter','PingFang SC',sans-serif;
    font-weight:800;
    letter-spacing:-.02em;
  }
  a{text-decoration:none;color:inherit;}

  /* ============ 导航 ============ */
  .top-nav{
    background:rgba(244,248,255,.9);
    backdrop-filter:blur(10px);
    border-bottom:1px solid var(--line);
    position:sticky;top:0;z-index:1030;
  }
  .brand-mark{
    font-weight:900;font-size:1.35rem;color:var(--ink);
    display:flex;align-items:center;gap:.5rem;
  }
  .brand-mark .dot{
    width:10px;height:10px;border-radius:50%;
    background:linear-gradient(135deg,var(--primary),var(--accent));
    display:inline-block;
  }
  .nav-links{display:flex;gap:.25rem;flex-wrap:wrap;}
  .nav-links a{
    padding:.45rem .85rem;border-radius:999px;font-size:.92rem;
    color:var(--muted);font-weight:500;transition:.2s;
  }
  .nav-links a:hover,.nav-links a.active{
    color:var(--primary);background:#e6efff;
  }
  .nav-toggle{
    border:1px solid var(--line);background:#fff;border-radius:10px;
    width:42px;height:38px;color:var(--ink);
  }
  @media(max-width:991px){
    .nav-links{display:none;width:100%;padding-top:.75rem;}
    .nav-links.open{display:flex;}
  }

  /* ============ Hero ============ */
  .hero{
    position:relative;
    padding:5.5rem 0 4rem;
    overflow:hidden;
    border-bottom:1px solid var(--line);
  }
  .hero-layer{
    position:absolute;inset:0;pointer-events:none;
  }
  .blob{
    position:absolute;border-radius:50%;filter:blur(60px);opacity:.4;
  }
  .blob.b1{width:340px;height:340px;background:#93c5fd;top:-80px;left:-60px;}
  .blob.b2{width:280px;height:280px;background:#67e8f9;bottom:-90px;right:8%;opacity:.35;}
  .blob.b3{width:180px;height:180px;background:#bfdbfe;top:40%;right:30%;opacity:.3;}
  .float-chip{
    position:absolute;border:1px solid var(--line);background:#fff;
    border-radius:999px;padding:.35rem .8rem;font-size:.78rem;color:var(--muted);
    font-weight:600;
  }
  .fc1{top:18%;right:12%;}
  .fc2{bottom:20%;left:6%;}
  .fc3{top:62%;right:36%;}
  @media(max-width:767px){.float-chip{display:none;}}
  .hero h1{
    font-size:clamp(2.5rem,6vw,4rem);
    line-height:1.06;
    margin-bottom:1.25rem;
  }
  .grad-text{
    background:linear-gradient(100deg,var(--primary),var(--accent) 70%);
    -webkit-background-clip:text;background-clip:text;
    -webkit-text-fill-color:transparent;color:transparent;
  }
  .hero p.lead-sub{
    color:var(--muted);font-size:1.02rem;max-width:620px;line-height:1.85;
  }
  .hero-stats{
    display:flex;gap:2.5rem;flex-wrap:wrap;margin-top:2.5rem;
    border-top:1px solid var(--line);padding-top:1.75rem;
  }
  .hero-stats .num{
    font-size:2rem;font-weight:900;color:var(--primary);line-height:1;
  }
  .hero-stats .lbl{font-size:.82rem;color:var(--muted);margin-top:.35rem;}

  /* ============ 通用区块 ============ */
  section{padding:4rem 0;border-bottom:1px solid var(--line);}
  .sec-head{margin-bottom:2.25rem;}
  .sec-kicker{
    font-size:.78rem;letter-spacing:.22em;text-transform:uppercase;
    color:var(--accent);font-weight:700;
  }
  .sec-title{
    font-size:clamp(1.8rem,3.6vw,2.6rem);margin:.5rem 0 .6rem;
  }
  .sec-desc{color:var(--muted);max-width:640px;line-height:1.8;font-size:.95rem;}

  /* ============ 榜单 ============ */
  .rank-item{
    display:flex;gap:1.1rem;align-items:center;
    padding:1rem 1.1rem;border:1px solid var(--line);border-radius:var(--radius);
    background:#fff;transition:.22s;margin-bottom:.85rem;
  }
  .rank-item:hover{border-color:var(--primary);transform:translateX(4px);}
  .rank-num{
    width:38px;height:38px;flex:0 0 38px;border-radius:10px;
    display:flex;align-items:center;justify-content:center;
    font-weight:900;font-size:1.05rem;border:1px solid var(--line);color:var(--muted);
  }
  .rank-num.gold{background:#fff6d9;border-color:#f2cf6b;color:#b8860b;}
  .rank-num.silver{background:#eef2f7;border-color:#c3cfe0;color:#8296b3;}
  .rank-num.bronze{background:#fdeee1;border-color:#e6b183;color:#b5713a;}
  .rank-thumb{
    width:56px;height:74px;flex:0 0 56px;border-radius:10px;overflow:hidden;
    border:1px solid var(--line);background:#e8effb;
  }
  .rank-thumb img{width:100%;height:100%;object-fit:cover;display:block;}
  .rank-meta h4{font-size:1rem;margin:0 0 .2rem;font-weight:700;}
  .rank-meta p{margin:0;font-size:.8rem;color:var(--muted);}
  .rank-score{
    margin-left:auto;font-weight:900;color:var(--accent);font-size:1.05rem;white-space:nowrap;
  }

  /* ============ 卡片 / 海报墙 ============ */
  .card-flip{
    perspective:1200px;
    height:100%;
  }
  .card-inner{
    position:relative;
    width:100%;
    height:100%;
    transition:transform .62s cubic-bezier(.4,.2,.2,1);
    transform-style:preserve-3d;
  }
  .card-flip.flipped .card-inner{transform:rotateY(180deg);}
  .card-face{
    backface-visibility:hidden;
    -webkit-backface-visibility:hidden;
    border:1px solid var(--line);
    border-radius:var(--radius);
    background:#fff;
    overflow:hidden;
    display:flex;flex-direction:column;
    height:100%;
  }
  .poster-card .card-face{transition:.25s;}
  .poster-card:not(.flipped):hover .card-face{
    transform:scale(1.025);
    border-color:var(--primary);
  }
  .poster-img{
    width:100%;aspect-ratio:2/3;object-fit:cover;display:block;
    background:#e6eefb;
  }
  .poster-body{padding:.75rem .8rem .9rem;flex:1;display:flex;flex-direction:column;}
  .poster-title{
    font-size:.95rem;font-weight:700;margin:0 0 .35rem;
    display:-webkit-box;-webkit-line-clamp:1;-webkit-box-orient:vertical;overflow:hidden;
  }
  .poster-sub{font-size:.76rem;color:var(--muted);margin:0;line-height:1.5;}
  .poster-tags{margin-top:.5rem;display:flex;gap:.35rem;flex-wrap:wrap;}
  .chip{
    font-size:.68rem;padding:.14rem .5rem;border-radius:999px;
    border:1px solid var(--line);color:var(--muted);background:#f8fbff;
  }
  .score-badge{
    position:absolute;top:.55rem;right:.55rem;z-index:3;
    background:rgba(37,99,235,.92);color:#fff;font-size:.72rem;font-weight:800;
    padding:.16rem .45rem;border-radius:8px;
  }
  /* 背面详情 */
  .card-back{
    transform:rotateY(180deg);
    padding:1rem .9rem;
    justify-content:flex-start;
    overflow:auto;
  }
  .card-back h4{font-size:.95rem;font-weight:800;margin:0 0 .5rem;}
  .card-back .row-line{
    font-size:.75rem;color:var(--muted);line-height:1.65;margin:0 0 .18rem;
  }
  .card-back .row-line b{color:var(--ink);font-weight:600;}
  .card-back .plot{
    font-size:.75rem;color:#3a4a68;line-height:1.7;margin:.55rem 0 .7rem;
    max-height:5.6em;overflow:hidden;
  }
  .close-flip{
    position:absolute;top:.5rem;right:.55rem;
    width:26px;height:26px;border-radius:50%;border:1px solid var(--line);
    background:#fff;color:var(--ink);font-size:.8rem;line-height:1;
    display:flex;align-items:center;justify-content:center;cursor:pointer;
  }
  .close-flip:hover{border-color:var(--primary);color:var(--primary);}

  /* ============ 分类区:左筛选 + 右瀑布 ============ */
  .filter-panel{
    position:sticky;top:88px;
    border:1px solid var(--line);border-radius:var(--radius);
    background:#fff;padding:1.1rem 1rem;
  }
  @media(max-width:991px){.filter-panel{position:static;margin-bottom:1.5rem;}}
  .filter-title{font-size:.78rem;letter-spacing:.18em;text-transform:uppercase;color:var(--muted);font-weight:700;margin-bottom:.75rem;}
  .filter-group{display:flex;flex-wrap:wrap;gap:.4rem;margin-bottom:1.1rem;}
  .pill{
    font-size:.8rem;padding:.34rem .78rem;border-radius:999px;
    border:1px solid var(--line);background:#fff;color:var(--muted);
    cursor:pointer;transition:.18s;font-weight:600;
  }
  .pill:hover{border-color:var(--accent);color:var(--accent);}
  .pill.on{background:var(--primary);border-color:var(--primary);color:#fff;}
  .masonry{
    column-count:4;column-gap:1rem;
  }
  @media(max-width:1199px){.masonry{column-count:3;}}
  @media(max-width:767px){.masonry{column-count:2;}}
  @media(max-width:430px){.masonry{column-count:1;}}
  .masonry .m-item{
    break-inside:avoid;margin-bottom:1rem;display:block;
  }

  /* ============ 标签页(特色) ============ */
  .tab-head{display:flex;gap:.5rem;flex-wrap:wrap;margin-bottom:1.75rem;}
  .tab-btn{
    padding:.5rem 1.05rem;border-radius:999px;border:1px solid var(--line);
    background:#fff;color:var(--muted);font-weight:600;font-size:.88rem;cursor:pointer;transition:.2s;
  }
  .tab-btn.on{background:var(--ink);color:#fff;border-color:var(--ink);}
  .tab-pane{display:none;}
  .tab-pane.on{display:block;animation:fadeUp .45s ease;}
  @keyframes fadeUp{from{opacity:0;transform:translateY(10px);}to{opacity:1;transform:none;}}

  /* ============ 时间线 ============ */
  .timeline{position:relative;padding-left:1.6rem;border-left:1px solid var(--line);}
  .tl-item{position:relative;padding-bottom:1.6rem;}
  .tl-item:last-child{padding-bottom:0;}
  .tl-item::before{
    content:"";position:absolute;left:-1.98rem;top:.35rem;
    width:10px;height:10px;border-radius:50%;background:var(--bg);
    border:2px solid var(--primary);
  }
  .tl-item h5{font-size:.98rem;font-weight:700;margin:0 0 .3rem;}
  .tl-item p{font-size:.86rem;color:var(--muted);line-height:1.75;margin:0;}

  /* ============ 互动推荐 ============ */
  .pick-box{
    border:1px solid var(--line);border-radius:var(--radius);background:#fff;
    padding:2rem 1.75rem;
  }
  .pick-result{
    border:1px dashed var(--line);border-radius:12px;background:#f8fbff;
    padding:1.1rem 1.2rem;min-height:96px;
  }
  .btn-main{
    background:linear-gradient(100deg,var(--primary),var(--accent));
    color:#fff;border:none;border-radius:999px;padding:.6rem 1.5rem;font-weight:700;
    font-size:.9rem;transition:.22s;
  }
  .btn-main:hover{filter:brightness(1.08);transform:translateY(-1px);}
  .btn-ghost{
    background:#fff;border:1px solid var(--line);border-radius:999px;
    padding:.6rem 1.35rem;font-weight:600;font-size:.9rem;color:var(--ink);transition:.2s;
  }
  .btn-ghost:hover{border-color:var(--primary);color:var(--primary);}

  /* ============ 友链 & 页脚 ============ */
  .friend-links{
    padding:2.5rem 0;border-top:1px solid var(--line);background:#fff;
  }
  .friend-links .fl-title{font-size:.85rem;font-weight:800;letter-spacing:.12em;text-transform:uppercase;color:var(--muted);margin-bottom:.9rem;}
  .friend-links .fl-body{font-size:.86rem;color:var(--muted);line-height:2;}
  footer{background:#fff;padding:3rem 0 2rem;border-top:1px solid var(--line);}
  footer h6{font-size:.82rem;font-weight:800;letter-spacing:.14em;text-transform:uppercase;color:var(--muted);margin-bottom:1rem;}
  footer a{display:block;font-size:.88rem;color:#41527a;padding:.24rem 0;transition:.18s;}
  footer a:hover{color:var(--primary);}
  .foot-brand{font-size:1.5rem;font-weight:900;color:var(--ink);}
  .foot-note{font-size:.82rem;color:var(--muted);line-height:1.85;}

  .divider-soft{height:1px;background:var(--line);margin:0;}
  .count-up{font-variant-numeric:tabular-nums;}

/* --- 子页面追加 --- */
/* 本页专属少量补充，全部沿用站点配色变量 */
  .about-lead {font-size:1.06rem;line-height:1.9;color:var(--ink);}
.about-lead strong {color:var(--primary);font-weight:700;}
.value-grid {display:grid;grid-template-columns:repeat(3,1fr);gap:18px;}
.value-card {
    background:#fff;border:1px solid var(--line);border-radius:var(--radius);
    padding:26px 22px;height:100%;transition:.25s;position:relative;overflow:hidden;
  }
.value-card::before {
    content:"";position:absolute;left:0;top:0;width:4px;height:100%;
    background:linear-gradient(180deg,var(--primary),var(--accent));
    opacity:0;transition:.25s;
  }
.value-card:hover {transform:translateY(-4px);box-shadow:0 16px 34px rgba(37,99,235,.12);border-color:#c9dcfb;}
.value-card:hover::before {opacity:1;}
.value-icon {
    width:46px;height:46px;border-radius:12px;display:flex;align-items:center;justify-content:center;
    background:linear-gradient(135deg,rgba(37,99,235,.12),rgba(6,182,212,.14));
    color:var(--primary);font-size:1.15rem;margin-bottom:14px;
  }
.value-card h3 {font-size:1.06rem;font-weight:700;color:var(--ink);margin-bottom:10px;}
.value-card p {font-size:.92rem;line-height:1.8;color:var(--muted);margin:0;}
.timeline::before {
    content:"";position:absolute;left:8px;top:6px;bottom:6px;width:2px;
    background:linear-gradient(180deg,var(--primary),var(--accent));
    border-radius:2px;opacity:.35;
  }
.tl-year {font-weight:800;color:var(--primary);font-size:.95rem;letter-spacing:.02em;}
.tl-item h4 {font-size:1rem;font-weight:700;color:var(--ink);margin:6px 0 6px;}
.fact-strip {
    background:linear-gradient(135deg,var(--primary),var(--accent));
    border-radius:var(--radius);color:#fff;padding:30px 26px;
  }
.fact-strip .fact-num {font-size:1.9rem;font-weight:900;line-height:1.1;}
.fact-strip .fact-label {font-size:.85rem;opacity:.9;margin-top:6px;}
.faq-mini {border:1px solid var(--line);border-radius:var(--radius);overflow:hidden;background:#fff;}
.faq-mini details {border-bottom:1px solid var(--line);}
.faq-mini details:last-child {border-bottom:none;}
.faq-mini summary {
    cursor:pointer;list-style:none;padding:16px 20px;font-weight:600;color:var(--ink);
    font-size:.96rem;display:flex;justify-content:space-between;align-items:center;gap:12px;
  }
.faq-mini summary::-webkit-details-marker {display:none;}
.faq-mini summary::after {content:"\f067";font-family:"Font Awesome 6 Free";font-weight:900;color:var(--primary);font-size:.8rem;}
.faq-mini details[open] summary::after {content:"\f068";}
.faq-mini .faq-body {padding:0 20px 18px;font-size:.9rem;line-height:1.85;color:var(--muted);}
.value-grid {grid-template-columns:1fr 1fr;}
.value-grid {grid-template-columns:1fr;}
.fact-strip {padding:24px 20px;}

/* --- 子页面追加 --- */
.doc-wrap {max-width:900px;margin:0 auto;}
.doc-card {
    background:#fff;border:1px solid var(--line);border-radius:var(--radius);
    padding:28px 26px;box-shadow:0 10px 30px rgba(37,99,235,.06);
  }
.doc-card + .doc-card {margin-top:20px;}
.doc-card h2 {
    font-size:1.28rem;font-weight:800;color:var(--ink);
    display:flex;align-items:center;gap:10px;margin-bottom:12px;line-height:1.4;
  }
.doc-card h2 i {color:var(--primary);font-size:1.05rem;}
.doc-card p,.doc-card li {color:var(--muted);font-size:.95rem;line-height:1.85;}
.doc-card ul {padding-left:0;list-style:none;margin:0;}
.doc-card ul li {position:relative;padding-left:20px;margin-top:8px;}
.doc-card ul li::before {
    content:"";position:absolute;left:2px;top:11px;width:7px;height:7px;border-radius:50%;
    background:linear-gradient(135deg,var(--primary),var(--accent));
  }
.doc-card strong {color:var(--ink);font-weight:600;}
.notice-strip {
    border-left:4px solid var(--primary);
    background:linear-gradient(90deg,rgba(37,99,235,.08),rgba(6,182,212,.05));
    border-radius:10px;padding:14px 18px;margin-top:14px;
  }
.notice-strip p {margin:0;color:var(--ink);font-size:.92rem;}
.meta-line {font-size:.82rem;color:var(--muted);letter-spacing:.02em;}
.toc-list a {
    display:block;color:var(--muted);text-decoration:none;font-size:.9rem;
    padding:7px 0;border-bottom:1px dashed var(--line);transition:.2s;
  }
.toc-list a:hover {color:var(--primary);padding-left:5px;}
.toc-list a:last-child {border-bottom:none;}
.doc-card {padding:20px 16px;}
.doc-card h2 {font-size:1.1rem;}

/* --- 子页面追加 --- */
.legal-wrap {max-width:860px;margin:0 auto;}
.legal-card {
    background:#fff;border:1px solid var(--line);border-radius:var(--radius);
    padding:34px 32px;box-shadow:0 10px 30px rgba(37,99,235,.06);
  }
.legal-card + .legal-card {margin-top:22px;}
.legal-card h2 {
    font-size:1.22rem;font-weight:800;color:var(--ink);margin-bottom:14px;
    display:flex;align-items:flex-start;gap:10px;line-height:1.5;
  }
.legal-card h2 i {color:var(--primary);font-size:1rem;margin-top:.35rem;}
.legal-card h3 {font-size:1.02rem;font-weight:700;color:var(--ink);margin:18px 0 8px;}
.legal-card p,.legal-card li {color:var(--muted);font-size:.95rem;line-height:1.9;}
.legal-card ul {padding-left:20px;margin:8px 0;}
.legal-card strong {color:var(--ink);}
.legal-meta {
    display:inline-flex;align-items:center;gap:8px;font-size:.82rem;color:var(--primary);
    background:rgba(37,99,235,.08);border:1px solid rgba(37,99,235,.18);
    padding:5px 14px;border-radius:999px;font-weight:600;margin-bottom:18px;
  }
.legal-toc {
    background:linear-gradient(135deg,rgba(37,99,235,.06),rgba(6,182,212,.08));
    border:1px solid var(--line);border-radius:var(--radius);padding:22px 24px;
  }
.legal-toc h3 {font-size:1rem;font-weight:800;color:var(--ink);margin-bottom:12px;}
.legal-toc a {
    display:block;color:var(--muted);text-decoration:none;font-size:.9rem;
    padding:6px 0;border-bottom:1px dashed var(--line);transition:.2s;
  }
.legal-toc a:last-child {border-bottom:none;}
.legal-toc a:hover {color:var(--primary);padding-left:6px;}
.legal-note {
    border-left:4px solid var(--accent);background:rgba(6,182,212,.07);
    padding:14px 18px;border-radius:0 var(--radius) var(--radius) 0;margin-top:14px;
  }
.legal-note p {margin:0;color:var(--ink);font-size:.9rem;}

/* --- 子页面追加 --- */
.faq-hero {position:relative;overflow:hidden;padding:64px 0 40px}
.faq-hero .blob {position:absolute;z-index:0}
.faq-hero .container {position:relative;z-index:2}
.faq-title {font-size:clamp(1.9rem,4vw,2.9rem);font-weight:900;line-height:1.2;letter-spacing:-.5px;margin:0 0 14px}
.faq-sub {color:var(--muted);font-size:1.02rem;max-width:720px;line-height:1.8}
.faq-wrap {display:grid;grid-template-columns:220px 1fr;gap:28px;align-items:start;padding:12px 0 72px}
.faq-aside {position:sticky;top:88px;background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:16px}
.faq-aside h4 {font-size:.82rem;letter-spacing:1.4px;text-transform:uppercase;color:var(--muted);margin:0 0 12px;font-weight:700}
.faq-aside a {display:block;color:var(--ink);text-decoration:none;padding:8px 10px;border-radius:10px;font-size:.92rem;font-weight:500;transition:.2s}
.faq-aside a:hover {background:var(--bg);color:var(--primary)}
.faq-group {margin-bottom:34px}
.faq-group-title {font-size:1.28rem;font-weight:800;color:var(--ink);margin:0 0 6px;display:flex;align-items:center;gap:10px}
.faq-group-title i {color:var(--primary)}
.faq-group-desc {color:var(--muted);font-size:.94rem;margin:0 0 16px}
.faq-item {background:#fff;border:1px solid var(--line);border-radius:var(--radius);margin-bottom:12px;overflow:hidden;transition:.22s}
.faq-item:hover {border-color:#c3d5f5;box-shadow:0 8px 22px rgba(37,99,235,.08)}
.faq-q {width:100%;display:flex;align-items:center;gap:12px;background:none;border:0;padding:17px 18px;cursor:pointer;text-align:left;font-size:1rem;font-weight:700;color:var(--ink);font-family:inherit}
.faq-q .qmark {flex:0 0 26px;height:26px;border-radius:8px;background:linear-gradient(135deg,var(--primary),var(--accent));color:#fff;font-size:.8rem;display:flex;align-items:center;justify-content:center;font-weight:800}
.faq-q .chev {margin-left:auto;color:var(--muted);transition:transform .25s;font-size:.85rem}
.faq-item.open .faq-q .chev {transform:rotate(180deg)}
.faq-a {max-height:0;overflow:hidden;transition:max-height .3s ease;padding:0 18px}
.faq-item.open .faq-a {max-height:520px}
.faq-a p {margin:0 0 16px;color:var(--muted);line-height:1.85;font-size:.95rem}
.faq-a p:first-child {padding-top:2px}
.faq-a strong {color:var(--ink)}
.faq-cta {margin-top:8px;background:linear-gradient(135deg,#eaf1ff,#e6fbff);border:1px solid var(--line);border-radius:var(--radius);padding:26px 24px;display:flex;gap:18px;align-items:center;flex-wrap:wrap;justify-content:space-between}
.faq-cta h3 {margin:0 0 6px;font-size:1.15rem;font-weight:800;color:var(--ink)}
.faq-cta p {margin:0;color:var(--muted);font-size:.92rem}
.faq-cta .btn-go {background:linear-gradient(135deg,var(--primary),var(--accent));color:#fff;border:0;padding:12px 24px;border-radius:12px;font-weight:700;text-decoration:none;display:inline-flex;align-items:center;gap:8px;transition:.2s}
.faq-cta .btn-go:hover {transform:translateY(-2px);box-shadow:0 10px 24px rgba(37,99,235,.28)}
.faq-wrap {grid-template-columns:1fr}
.faq-aside {position:static;top:auto}