/* roulang page: index */
:root{
    --primary:#2158E8;
    --primary-hover:#1A47C4;
    --primary-soft:#EAF0FF;
    --second:#00B8A9;
    --accent:#FF8A3D;
    --ink:#0D1B2A;
    --text:#41526B;
    --muted:#8C99AC;
    --line:#E4EAF3;
    --bg:#F5F8FC;
    --card:#FFFFFF;
    --footer:#0F1A2B;
    --success:#17A673;
    --warn:#E4573D;
    --r-card:16px;
    --r-lg:24px;
    --r-btn:10px;
    --sh-1:0 6px 24px rgba(13,27,42,.06);
    --sh-2:0 14px 34px rgba(13,27,42,.10);
    --sh-3:0 20px 48px rgba(13,27,42,.14);
    --ease:200ms ease-out;
  }
  *,*::before,*::after{box-sizing:border-box}
  html{scroll-behavior:smooth}
  body{
    margin:0;
    font-family:'Inter','PingFang SC','HarmonyOS Sans SC','Microsoft YaHei',system-ui,sans-serif;
    font-size:16px;
    line-height:1.85;
    color:var(--text);
    background:var(--bg);
    -webkit-font-smoothing:antialiased;
  }
  h1,h2,h3,h4{margin:0;color:var(--ink);font-weight:700;letter-spacing:-.01em}
  h1{font-size:clamp(30px,4.4vw,52px);line-height:1.2}
  h2{font-size:clamp(24px,2.8vw,34px);line-height:1.3}
  h3{font-size:20px;line-height:1.45;font-weight:600}
  p{margin:0 0 1.2em}
  p:last-child{margin-bottom:0}
  a{color:inherit;text-decoration:none;transition:color var(--ease)}
  img{display:block;max-width:100%}
  button,input{font:inherit;color:inherit}
  ul{margin:0;padding:0;list-style:none}
  ::selection{background:var(--primary-soft);color:var(--primary-hover)}
  :focus-visible{outline:2px solid var(--primary);outline-offset:2px;border-radius:6px}
  .container{width:100%;max-width:1200px;margin:0 auto;padding:0 20px}
  @media (min-width:1024px){.container{padding:0 32px}}
  .section{padding:56px 0}
  @media (min-width:1024px){.section{padding:92px 0}}
  .section-head{display:flex;align-items:flex-end;justify-content:space-between;gap:24px;margin-bottom:28px;flex-wrap:wrap}
  .section-head .lead{font-size:14px;color:var(--muted);margin-top:8px}
  .sec-label{display:inline-flex;align-items:center;gap:8px;font-size:13px;color:var(--primary);background:var(--primary-soft);border-radius:999px;padding:4px 12px;margin-bottom:12px;font-weight:600}
  .sec-label i{width:6px;height:6px;border-radius:50%;background:var(--second);display:inline-block}
  .text-link{display:inline-flex;align-items:center;gap:6px;color:var(--primary);font-weight:600;font-size:14.5px}
  .text-link .arw{transition:transform var(--ease)}
  .text-link:hover .arw{transform:translateX(3px)}
  .clamp-1{display:-webkit-box;-webkit-line-clamp:1;-webkit-box-orient:vertical;overflow:hidden}
  .clamp-2{display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
  .clamp-3{display:-webkit-box;-webkit-line-clamp:3;-webkit-box-orient:vertical;overflow:hidden}

  /* 按钮 */
  .btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;height:44px;padding:0 22px;border-radius:var(--r-btn);font-size:15px;font-weight:600;border:1.5px solid transparent;cursor:pointer;transition:all var(--ease);white-space:nowrap}
  .btn-primary{background:var(--primary);color:#fff;box-shadow:0 8px 20px rgba(33,88,232,.22)}
  .btn-primary:hover{background:var(--primary-hover);transform:translateY(-1px)}
  .btn-primary:active{transform:scale(.99)}
  .btn-ghost{background:#fff;color:var(--primary);border-color:#C9D8FA}
  .btn-ghost:hover{border-color:var(--primary);background:#F7FAFF;transform:translateY(-1px)}
  .btn-sm{height:38px;padding:0 16px;font-size:14px}
  .badge{display:inline-flex;align-items:center;height:24px;padding:0 10px;border-radius:999px;font-size:12px;font-weight:600;line-height:1;white-space:nowrap}
  .badge-primary{background:var(--primary-soft);color:var(--primary-hover)}
  .badge-second{background:#E2F8F6;color:#00867B}
  .badge-accent{background:#FFF0E5;color:#C25E17}
  .badge-muted{background:#EFF3F9;color:#5B6B84}
  .dot-live{width:7px;height:7px;border-radius:50%;background:var(--second);display:inline-block;margin-right:6px}

  /* 头部导航 */
  .site-header{position:sticky;top:0;z-index:60;height:68px;background:rgba(255,255,255,.92);backdrop-filter:blur(8px);border-bottom:1px solid var(--line);transition:box-shadow var(--ease)}
  .site-header.scrolled{box-shadow:0 6px 20px rgba(13,27,42,.06)}
  .hd-inner{height:68px;display:flex;align-items:center;gap:18px}
  .logo{display:flex;align-items:center;gap:10px;flex-shrink:0}
  .logo-mark{width:36px;height:36px;border-radius:11px;background:var(--primary);display:grid;place-items:center;flex-shrink:0}
  .logo-text{font-size:17px;font-weight:700;color:var(--ink);line-height:1.1;white-space:nowrap}
  .logo-badge{font-size:11px;font-weight:600;color:var(--primary);background:var(--primary-soft);border-radius:999px;padding:2px 8px;line-height:1.6;white-space:nowrap}
  .nav-links{display:none;align-items:center;gap:2px}
  .nav-links a{position:relative;font-size:14.5px;color:var(--text);padding:8px 11px;border-radius:999px;transition:all var(--ease);white-space:nowrap}
  .nav-links a:hover{color:var(--primary);background:#F3F7FF}
  .nav-links a.active{background:var(--primary-soft);color:var(--primary);font-weight:600}
  .hd-right{margin-left:auto;display:flex;align-items:center;gap:10px}
  .search-wrap{position:relative;display:none}
  .search-input{width:210px;height:40px;border-radius:12px;border:1.5px solid transparent;background:#F1F4F9;padding:0 62px 0 38px;font-size:14px;transition:all var(--ease)}
  .search-input::placeholder{color:#9AA7B8}
  .search-input:focus{outline:none;background:#fff;border-color:var(--primary);box-shadow:0 0 0 4px rgba(33,88,232,.12)}
  .search-icon{position:absolute;left:12px;top:50%;transform:translateY(-50%);color:#8C99AC;pointer-events:none}
  .search-kbd{position:absolute;right:10px;top:50%;transform:translateY(-50%);font-size:11px;color:#7C8AA0;background:#fff;border:1px solid var(--line);border-radius:6px;padding:1px 6px;line-height:1.6}
  .search-panel{position:absolute;top:52px;right:0;width:340px;background:#fff;border:1px solid var(--line);border-radius:16px;box-shadow:var(--sh-3);padding:12px;display:none}
  .search-panel.open{display:block}
  .search-panel .grp{font-size:12px;color:var(--muted);padding:6px 10px 4px;font-weight:600}
  .search-panel .row{display:flex;align-items:center;justify-content:space-between;gap:10px;padding:9px 10px;border-radius:10px;font-size:14px;color:var(--text)}
  .search-panel .row:hover,.search-panel .row.hl{background:var(--primary-soft);color:var(--primary-hover)}
  .icon-btn{width:40px;height:40px;border-radius:12px;border:1px solid var(--line);background:#fff;display:none;align-items:center;justify-content:center;cursor:pointer;transition:all var(--ease)}
  .icon-btn:hover{border-color:#C9D8FA;color:var(--primary)}
  .hamburger{width:40px;height:40px;border-radius:12px;border:1px solid var(--line);background:#fff;display:flex;align-items:center;justify-content:center;cursor:pointer}
  .drawer{position:fixed;inset:0;background:#fff;z-index:80;transform:translateX(100%);transition:transform 240ms ease-out;display:flex;flex-direction:column;padding:20px;overflow-y:auto}
  .drawer.open{transform:translateX(0)}
  .drawer a.drawer-link{display:flex;align-items:center;height:44px;padding:0 12px;border-radius:10px;font-size:15.5px;color:var(--ink)}
  .drawer a.drawer-link:hover,.drawer a.drawer-link.active{background:var(--primary-soft);color:var(--primary);font-weight:600}
  @media (min-width:1024px){
    .nav-links{display:flex}
    .search-wrap{display:block}
    .icon-btn{display:flex}
    .hamburger{display:none}
  }

  /* Hero */
  .hero{padding:40px 0 0}
  .hero-grid{display:grid;gap:32px;align-items:center}
  @media (min-width:1024px){
    .hero{padding:56px 0 0}
    .hero-grid{grid-template-columns:5fr 7fr;gap:44px;min-height:560px}
  }
  .hero-title{margin-bottom:16px}
  .hero-sub{font-size:17px;color:var(--text);max-width:520px;margin-bottom:22px}
  .tag-row{display:flex;flex-wrap:wrap;gap:10px;margin-bottom:26px}
  .tag-chip{display:inline-flex;align-items:center;gap:6px;height:32px;padding:0 14px;border-radius:999px;background:var(--primary-soft);color:var(--primary-hover);font-size:13.5px;font-weight:600;transition:all var(--ease)}
  .tag-chip:hover{background:#DCE6FF}
  .hero-cta{display:flex;flex-wrap:wrap;gap:12px;margin-bottom:32px}
  .hero-stats{display:flex;flex-wrap:wrap;gap:0;border-top:1px solid var(--line);padding-top:20px}
  .hero-stat{padding:0 22px;border-left:1px solid var(--line)}
  .hero-stat:first-child{padding-left:0;border-left:none}
  .hero-stat b{display:block;font-size:24px;color:var(--ink);font-weight:700;font-variant-numeric:tabular-nums;line-height:1.3}
  .hero-stat span{font-size:13px;color:var(--muted)}
  .hero-visual{position:relative}
  .hero-visual img{width:100%;height:280px;object-fit:cover;border-radius:var(--r-lg);border:1px solid var(--line);box-shadow:var(--sh-2)}
  @media (min-width:768px){.hero-visual img{height:400px}}
  @media (min-width:1024px){.hero-visual img{height:480px}}
  .hero-float{position:absolute;left:16px;bottom:16px;background:#fff;border-radius:14px;box-shadow:var(--sh-2);padding:12px 16px;display:flex;align-items:center;gap:12px}
  .hero-float b{font-size:20px;color:var(--ink);font-variant-numeric:tabular-nums}
  .hero-float span{font-size:12.5px;color:var(--muted);display:block}

  /* 筛选条 */
  .filter-bar{display:flex;gap:10px;overflow-x:auto;padding:28px 0 4px}
  .filter-bar::-webkit-scrollbar{display:none}
  .filter-bar{scrollbar-width:none}
  .filter-chip{flex:0 0 auto;height:38px;padding:0 18px;border-radius:999px;border:1px solid var(--line);background:#fff;color:var(--text);font-size:14px;font-weight:600;cursor:pointer;transition:all var(--ease)}
  .filter-chip:hover{border-color:#C9D8FA;color:var(--primary)}
  .filter-chip.active{background:var(--primary);border-color:var(--primary);color:#fff;box-shadow:0 8px 18px rgba(33,88,232,.2)}

  /* 横滑片库 */
  .lib-head{display:flex;align-items:center;justify-content:space-between;gap:20px;margin-bottom:22px}
  .lib-nav{display:flex;gap:10px}
  .round-btn{width:40px;height:40px;border-radius:50%;border:1px solid var(--line);background:#fff;display:grid;place-items:center;cursor:pointer;color:var(--text);transition:all var(--ease)}
  .round-btn:hover{border-color:var(--primary);color:var(--primary)}
  .lib-scroll{display:flex;gap:20px;overflow-x:auto;scroll-snap-type:x mandatory;padding-bottom:6px}
  .lib-scroll::-webkit-scrollbar{display:none}
  .lib-scroll{scrollbar-width:none}
  .lib-card{flex:0 0 250px;scroll-snap-align:start;background:#fff;border:1px solid var(--line);border-radius:var(--r-card);box-shadow:var(--sh-1);overflow:hidden;transition:transform var(--ease),box-shadow var(--ease)}
  .lib-card:hover{transform:translateY(-3px);box-shadow:var(--sh-2)}
  .lib-thumb{position:relative;aspect-ratio:16/9;overflow:hidden;background:#EDF1F7}
  .lib-thumb img{width:100%;height:100%;object-fit:cover;transition:transform 400ms ease-out}
  .lib-card:hover .lib-thumb img{transform:scale(1.04)}
  .lib-thumb .badge{position:absolute;left:10px;top:10px}
  .lib-thumb .corner{position:absolute;right:10px;top:10px}
  .lib-body{padding:14px 16px 18px}
  .lib-body h3{font-size:16px;margin-bottom:8px}
  .lib-card:hover h3{color:var(--primary)}
  .lib-meta{font-size:13px;color:var(--muted);display:flex;align-items:center;gap:8px}

  /* 热播推荐 */
  .hot-grid{display:grid;gap:24px}
  @media (min-width:1024px){.hot-grid{grid-template-columns:7fr 5fr}}
  .hot-lead{position:relative;border-radius:var(--r-card);overflow:hidden;border:1px solid var(--line);box-shadow:var(--sh-1);min-height:300px;display:block}
  .hot-lead img{width:100%;height:100%;min-height:300px;object-fit:cover;transition:transform 400ms ease-out}
  .hot-lead:hover img{transform:scale(1.04)}
  .hot-lead-info{position:absolute;left:0;right:0;bottom:0;background:#fff;padding:16px 20px;border-top:1px solid var(--line)}
  .hot-lead-info h3{font-size:19px;margin-bottom:6px}
  .hot-list{background:#fff;border:1px solid var(--line);border-radius:var(--r-card);box-shadow:var(--sh-1);padding:6px 20px}
  .hot-item{display:flex;gap:14px;padding:16px 0;border-top:1px solid var(--line);transition:background var(--ease)}
  .hot-item:first-child{border-top:none}
  .hot-item:hover{background:#F7FAFF}
  .hot-item img{width:96px;height:64px;object-fit:cover;border-radius:12px;flex-shrink:0}
  .hot-item h3{font-size:15.5px;margin-bottom:4px}
  .hot-item:hover h3{color:var(--primary)}
  .hot-item p{font-size:13.5px;color:var(--text);margin:0 0 4px}
  .hot-item .lib-meta{font-size:12.5px}
  .rank-no{font-size:13px;color:var(--accent);font-weight:700;font-variant-numeric:tabular-nums;margin-right:6px}

  /* 片单分区 */
  .list-group{margin-bottom:52px}
  .list-group:last-child{margin-bottom:0}
  .card-grid{display:grid;gap:24px}
  @media (min-width:640px){.card-grid{grid-template-columns:repeat(2,1fr)}}
  @media (min-width:1024px){.card-grid{grid-template-columns:repeat(4,1fr)}}
  .card{background:var(--card);border:1px solid var(--line);border-radius:var(--r-card);box-shadow:var(--sh-1);overflow:hidden;transition:transform var(--ease),box-shadow var(--ease);display:flex;flex-direction:column}
  .card:hover{transform:translateY(-3px);box-shadow:var(--sh-2)}
  .card-thumb{aspect-ratio:16/9;overflow:hidden;background:#EDF1F7}
  .card-thumb img{width:100%;height:100%;object-fit:cover;transition:transform 400ms ease-out}
  .card:hover .card-thumb img{transform:scale(1.04)}
  .card-body{padding:16px 18px 20px;display:flex;flex-direction:column;gap:8px;flex:1}
  .card-body h3{font-size:16.5px}
  .card:hover h3{color:var(--primary)}
  .card-body p{font-size:13.8px;color:var(--text);margin:0}
  .card-foot{margin-top:auto;display:flex;align-items:center;justify-content:space-between;font-size:12.5px;color:var(--muted);padding-top:6px}

  /* 最新信息 */
  .news-grid{display:grid;gap:20px}
  @media (min-width:1024px){.news-grid{grid-template-columns:repeat(2,1fr)}}
  .news-card{display:flex;gap:16px;background:#fff;border:1px solid var(--line);border-radius:var(--r-card);box-shadow:var(--sh-1);padding:16px;transition:all var(--ease)}
  .news-card:hover{transform:translateY(-3px);box-shadow:var(--sh-2);background:#FCFDFF}
  .news-card:hover h3{color:var(--primary)}
  .news-thumb{width:160px;height:100px;flex-shrink:0;border-radius:12px;overflow:hidden;background:#EDF1F7}
  .news-thumb img{width:100%;height:100%;object-fit:cover}
  .news-body{min-width:0;display:flex;flex-direction:column;gap:6px}
  .news-body h3{font-size:16.5px}
  .news-body p{font-size:13.8px;margin:0;color:var(--text)}
  .news-meta{display:flex;align-items:center;gap:8px;font-size:12.5px;color:var(--muted);margin-top:auto}
  .news-empty{border:1px dashed #CBD6E6;border-radius:var(--r-card);background:#fff;padding:48px 24px;text-align:center}
  .news-empty svg{margin:0 auto 14px}
  .news-empty p{color:var(--muted);font-size:14.5px;margin-bottom:16px}

  /* 信任条 */
  .trust-strip{display:grid;gap:20px}
  @media (min-width:640px){.trust-strip{grid-template-columns:repeat(2,1fr)}}
  @media (min-width:1024px){.trust-strip{grid-template-columns:repeat(4,1fr)}}
  .trust-item{background:var(--primary-soft);border-radius:var(--r-card);padding:22px 20px}
  .trust-item .ico{width:40px;height:40px;border-radius:12px;background:#fff;display:grid;place-items:center;color:var(--primary);margin-bottom:14px}
  .trust-item h3{font-size:16.5px;margin-bottom:6px}
  .trust-item p{font-size:13.8px;margin:0;color:#4E6285}

  /* FAQ */
  .faq-wrap{background:#fff;border:1px solid var(--line);border-radius:var(--r-card);box-shadow:var(--sh-1);overflow:hidden}
  .faq-item{border-top:1px solid var(--line);position:relative}
  .faq-item:first-child{border-top:none}
  .faq-item::before{content:"";position:absolute;left:0;top:0;bottom:0;width:3px;background:transparent;transition:background var(--ease)}
  .faq-item.open::before{background:var(--primary)}
  .faq-q{width:100%;display:flex;align-items:center;justify-content:space-between;gap:16px;padding:20px 24px;background:none;border:none;text-align:left;cursor:pointer;font-size:16.5px;font-weight:600;color:var(--ink);transition:color var(--ease),background var(--ease)}
  .faq-q:hover{background:#FAFCFF}
  .faq-item.open .faq-q{color:var(--primary)}
  .faq-q .chev{flex-shrink:0;transition:transform 180ms ease-out;color:var(--muted)}
  .faq-item.open .faq-q .chev{transform:rotate(180deg);color:var(--primary)}
  .faq-a{max-height:0;overflow:hidden;transition:max-height 260ms ease-out}
  .faq-item.open .faq-a{max-height:340px}
  .faq-a p{padding:0 24px 22px;font-size:14.8px;color:var(--text);margin:0}

  /* CTA */
  .cta-panel{background:var(--primary-soft);border-radius:var(--r-lg);padding:36px 28px;display:grid;gap:26px}
  @media (min-width:1024px){.cta-panel{grid-template-columns:6fr 6fr;align-items:center;padding:52px 48px;gap:40px}}
  .cta-panel h2{font-size:clamp(22px,2.4vw,30px);margin-bottom:12px}
  .cta-panel p{font-size:15px;color:#3E5480;margin:0}
  .cta-form{display:flex;gap:12px;flex-wrap:wrap}
  .cta-form input{flex:1 1 220px;height:46px;border-radius:var(--r-btn);border:1.5px solid #C9D8FA;background:#fff;padding:0 16px;font-size:14.5px;transition:all var(--ease)}
  .cta-form input:focus{outline:none;border-color:var(--primary);box-shadow:0 0 0 4px rgba(33,88,232,.14)}
  .cta-form input::placeholder{color:#9AA7B8}
  .form-note{font-size:12.5px;color:#6C82AA;margin-top:12px}

  /* 页脚 */
  .site-footer{background:var(--footer);color:#C3CDDE;margin-top:80px;padding:60px 0 28px}
  .footer-grid{display:grid;gap:36px}
  @media (min-width:768px){.footer-grid{grid-template-columns:repeat(2,1fr)}}
  @media (min-width:1024px){.footer-grid{grid-template-columns:1.4fr 1fr 1fr 1.3fr;gap:40px}}
  .site-footer h4{color:#fff;font-size:15px;margin-bottom:16px}
  .site-footer a{color:#C3CDDE;font-size:14px;line-height:2.1}
  .site-footer a:hover{color:#fff}
  .footer-brand{display:flex;align-items:center;gap:10px;margin-bottom:14px}
  .footer-brand .logo-mark{background:#fff;color:var(--primary)}
  .footer-brand b{color:#fff;font-size:16.5px}
  .footer-desc{font-size:13.8px;color:#93A1B8;margin:0}
  .footer-form{display:flex;gap:10px;margin-top:12px;flex-wrap:wrap}
  .footer-form input{flex:1 1 150px;height:42px;border-radius:10px;border:1px solid #26364F;background:#16233A;color:#E6EDF8;padding:0 14px;font-size:14px}
  .footer-form input:focus{outline:none;border-color:var(--primary);box-shadow:0 0 0 3px rgba(33,88,232,.28)}
  .footer-form input::placeholder{color:#7A8AA3}
  .footer-bottom{border-top:1px solid #22304A;margin-top:44px;padding-top:22px;display:flex;flex-wrap:wrap;gap:12px;justify-content:space-between;font-size:13px;color:#8291A8}
  .footer-bottom a{font-size:13px}

  @media (prefers-reduced-motion:reduce){
    *{transition:none!important;animation:none!important;scroll-behavior:auto!important}
  }
  @media (max-width:1023px){
    .hero-visual img{height:300px}
  }
  @media (max-width:640px){
    .hero-stat{padding:0 14px}
    .hero-stat b{font-size:20px}
    .news-card{flex-direction:column}
    .news-thumb{width:100%;height:170px}
    .cta-form{flex-direction:column}
    .cta-form input,.cta-form .btn{width:100%}
    .footer-form{flex-direction:column}
    .footer-form input,.footer-form .btn{width:100%}
  }

/* roulang page: article */
:root{
  --primary:#2158E8;
  --primary-hover:#1A47C4;
  --primary-soft:#EAF0FF;
  --second:#00B8A9;
  --second-soft:#E4F8F6;
  --accent:#FF8A3D;
  --accent-soft:#FFF1E6;
  --ink:#0D1B2A;
  --text:#41526B;
  --muted:#8C99AC;
  --line:#E4EAF3;
  --page:#F5F8FC;
  --card:#FFFFFF;
  --foot:#0F1A2B;
  --ok:#17A673;
  --warn:#E4573D;
  --r-card:16px;
  --r-hero:24px;
  --r-btn:10px;
  --sh-1:0 6px 24px rgba(13,27,42,.06);
  --sh-2:0 14px 34px rgba(13,27,42,.10);
  --sh-3:0 20px 48px rgba(13,27,42,.14);
  --t:200ms ease-out;
  --maxw:1200px;
}

*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
body{
  margin:0;
  font-family:'Inter','PingFang SC','HarmonyOS Sans SC','Microsoft YaHei',system-ui,sans-serif;
  font-size:16px;
  line-height:1.85;
  color:var(--text);
  background:var(--page);
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;}
a{color:var(--primary);text-decoration:none;transition:color var(--t),background-color var(--t),border-color var(--t),transform var(--t);}
a:hover{color:var(--primary-hover);}
button,input{font-family:inherit;font-size:inherit;}
button{cursor:pointer;border:0;background:none;color:inherit;}
h1,h2,h3,h4{margin:0;color:var(--ink);font-weight:700;line-height:1.3;}
p{margin:0 0 1.2em;}
ul,ol{margin:0 0 1.2em;padding-left:1.3em;}
:focus-visible{outline:2px solid var(--primary);outline-offset:2px;border-radius:6px;}
::selection{background:var(--primary-soft);color:var(--ink);}
.sr-only{position:absolute;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;clip:rect(0 0 0 0);white-space:nowrap;border:0;}

.container{max-width:var(--maxw);margin:0 auto;padding:0 20px;}
@media (min-width:1024px){.container{padding:0 32px;}}

/* ============ 顶部阅读进度 ============ */
.progress-track{position:fixed;top:0;left:0;right:0;height:3px;background:transparent;z-index:90;pointer-events:none;}
.progress-bar{height:100%;width:0;background:var(--primary);transition:width 120ms linear;}

/* ============ 导航 ============ */
.site-header{
  position:sticky;top:0;z-index:70;height:68px;
  background:rgba(255,255,255,.94);
  border-bottom:1px solid var(--line);
  transition:box-shadow var(--t),background-color var(--t);
}
.site-header.scrolled{box-shadow:0 6px 20px rgba(13,27,42,.06);}
.nav-wrap{display:flex;align-items:center;gap:24px;height:68px;}
.logo{display:flex;align-items:center;gap:10px;flex:none;color:var(--ink);}
.logo:hover{color:var(--ink);}
.logo-mark{
  width:34px;height:34px;border-radius:10px;flex:none;
  background:var(--primary);color:#fff;
  display:inline-flex;align-items:center;justify-content:center;
  box-shadow:0 6px 16px rgba(33,88,232,.28);
}
.logo-text{display:flex;align-items:baseline;gap:6px;white-space:nowrap;}
.logo-text b{font-size:17px;font-weight:700;letter-spacing:-.01em;color:var(--ink);}
.logo-badge{
  font-size:11px;line-height:1;padding:5px 7px;border-radius:999px;
  background:var(--primary-soft);color:var(--primary);font-weight:600;
}
.nav-links{display:flex;align-items:center;gap:4px;margin-left:8px;}
.nav-links a{
  position:relative;padding:8px 12px;border-radius:999px;
  font-size:14px;font-weight:500;color:var(--text);white-space:nowrap;
}
.nav-links a::after{
  content:"";position:absolute;left:50%;right:50%;bottom:3px;height:2px;
  background:var(--primary);border-radius:2px;transition:left var(--t),right var(--t);
}
.nav-links a:hover{color:var(--primary);background:#F1F5FF;}
.nav-links a:hover::after{left:12px;right:12px;}
.nav-links a.active{background:var(--primary-soft);color:var(--primary);font-weight:600;}
.nav-actions{display:flex;align-items:center;gap:12px;margin-left:auto;}

.search-shell{position:relative;width:248px;}
.search-box{
  display:flex;align-items:center;gap:8px;height:40px;padding:0 10px 0 12px;
  background:#F1F4F9;border:1px solid transparent;border-radius:12px;
  transition:background-color var(--t),border-color var(--t),box-shadow var(--t);
}
.search-box:focus-within{background:#fff;border-color:var(--primary);box-shadow:0 0 0 4px rgba(33,88,232,.12);}
.search-box svg{flex:none;color:var(--muted);}
.search-box input{flex:1;min-width:0;border:0;background:transparent;outline:none;font-size:14px;color:var(--ink);}
.search-box input::placeholder{color:var(--muted);}
.kbd{
  font-size:11px;line-height:1;color:var(--muted);border:1px solid var(--line);
  background:#fff;border-radius:6px;padding:4px 5px;font-weight:600;
}
.search-panel{
  position:absolute;top:50px;left:0;right:0;background:#fff;border:1px solid var(--line);
  border-radius:16px;box-shadow:var(--sh-3);padding:10px;display:none;z-index:80;
}
.search-panel.open{display:block;}
.search-group{font-size:11px;font-weight:700;color:var(--muted);letter-spacing:.08em;padding:8px 10px 4px;}
.search-row{
  display:flex;align-items:center;gap:10px;padding:9px 10px;border-radius:10px;
  font-size:14px;color:var(--text);cursor:pointer;
}
.search-row:hover,.search-row.hl{background:var(--primary-soft);color:var(--primary);}
.search-empty{padding:14px 10px;font-size:13px;color:var(--muted);}

.icon-btn{
  width:40px;height:40px;border-radius:12px;display:inline-flex;align-items:center;justify-content:center;
  background:#F1F4F9;color:var(--text);transition:background-color var(--t),color var(--t);
}
.icon-btn:hover{background:var(--primary-soft);color:var(--primary);}

.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  border-radius:var(--r-btn);font-weight:600;font-size:15px;line-height:1;
  padding:0 20px;height:44px;transition:all var(--t);border:1.5px solid transparent;
}
.btn-primary{background:var(--primary);color:#fff;box-shadow:0 8px 20px rgba(33,88,232,.24);}
.btn-primary:hover{background:var(--primary-hover);color:#fff;transform:translateY(-1px);}
.btn-primary:active{transform:scale(.99);}
.btn-outline{background:#fff;color:var(--primary);border-color:var(--primary);}
.btn-outline:hover{background:var(--primary-soft);color:var(--primary-hover);}
.btn-sm{height:38px;font-size:14px;padding:0 16px;}
.link-arrow{display:inline-flex;align-items:center;gap:6px;font-size:14px;font-weight:600;color:var(--primary);}
.link-arrow span{transition:transform var(--t);}
.link-arrow:hover span{transform:translateX(2px);}

.hamburger{display:none;width:40px;height:40px;border-radius:12px;background:#F1F4F9;color:var(--ink);align-items:center;justify-content:center;}

/* 移动抽屉 */
.drawer{
  position:fixed;inset:0 0 0 auto;width:min(86vw,380px);background:#fff;z-index:95;
  transform:translateX(100%);transition:transform 240ms ease-out;padding:22px;overflow-y:auto;
  box-shadow:var(--sh-3);
}
.drawer.open{transform:translateX(0);}
.drawer-mask{position:fixed;inset:0;background:rgba(13,27,42,.32);z-index:94;opacity:0;visibility:hidden;transition:opacity var(--t),visibility var(--t);}
.drawer-mask.open{opacity:1;visibility:visible;}
.drawer-head{display:flex;align-items:center;justify-content:space-between;margin-bottom:18px;}
.drawer-nav{display:flex;flex-direction:column;gap:4px;margin:16px 0;}
.drawer-nav a{padding:11px 12px;border-radius:10px;font-size:15px;color:var(--text);}
.drawer-nav a:hover,.drawer-nav a.active{background:var(--primary-soft);color:var(--primary);}

@media (max-width:1023px){
  .nav-links,.search-shell,.nav-actions .icon-btn,.nav-actions .btn{display:none;}
  .hamburger{display:inline-flex;}
}

/* ============ 面包屑 ============ */
.crumb{padding:22px 0 0;font-size:13px;color:var(--muted);}
.crumb ol{display:flex;flex-wrap:wrap;align-items:center;gap:8px;list-style:none;margin:0;padding:0;min-width:0;}
.crumb li{display:flex;align-items:center;gap:8px;min-width:0;}
.crumb a{color:var(--muted);}
.crumb a:hover{color:var(--primary);}
.crumb .sep{color:#C7D1E0;}
.crumb .current{
  color:var(--muted);max-width:min(60vw,520px);overflow:hidden;text-overflow:ellipsis;white-space:nowrap;
}

/* ============ 文章头 ============ */
.article-head{padding:26px 0 30px;max-width:820px;}
.badge{
  display:inline-flex;align-items:center;gap:6px;height:26px;padding:0 11px;border-radius:999px;
  font-size:12px;font-weight:600;background:var(--primary-soft);color:var(--primary);
}
.badge-second{background:var(--second-soft);color:#04756B;}
.badge-accent{background:var(--accent-soft);color:#C4611F;}
.article-title{
  font-size:clamp(28px,4vw,44px);line-height:1.22;letter-spacing:-.01em;font-weight:700;
  margin:16px 0 14px;color:var(--ink);
}
.article-meta{display:flex;flex-wrap:wrap;align-items:center;gap:6px 10px;font-size:13px;color:var(--muted);}
.article-meta .dot{color:#CBD5E3;}
.article-cover{
  border-radius:20px;overflow:hidden;border:1px solid var(--line);background:#fff;
  box-shadow:var(--sh-1);margin-bottom:8px;
}
.article-cover img{width:100%;aspect-ratio:16/8.2;object-fit:cover;}
.cover-caption{font-size:12px;color:var(--muted);text-align:center;margin:10px 0 0;}

/* ============ 正文布局 ============ */
.article-layout{
  display:grid;grid-template-columns:minmax(0,1fr);gap:40px;
  padding:34px 0 8px;
}
@media (min-width:1280px){
  .article-layout{grid-template-columns:minmax(0,760px) 220px;gap:56px;max-width:1040px;margin:0 auto;justify-content:center;}
}
.toc-mobile{display:block;}
@media (min-width:1280px){.toc-mobile{display:none;}}

.toc-card{
  background:#fff;border:1px solid var(--line);border-radius:var(--r-card);
  box-shadow:var(--sh-1);padding:14px 16px;
}
.toc-card summary{
  cursor:pointer;list-style:none;font-size:14px;font-weight:700;color:var(--ink);
  display:flex;align-items:center;justify-content:space-between;gap:10px;
}
.toc-card summary::-webkit-details-marker{display:none;}
.toc-card summary .chev{transition:transform var(--t);color:var(--muted);}
.toc-card[open] summary .chev{transform:rotate(180deg);}
.toc-list{margin:12px 0 0;padding:0;list-style:none;display:flex;flex-direction:column;gap:2px;}
.toc-list a{
  display:block;padding:7px 10px;border-left:2px solid transparent;border-radius:0 8px 8px 0;
  font-size:13.5px;color:var(--text);line-height:1.5;
}
.toc-list a.lv3{padding-left:22px;font-size:13px;color:var(--muted);}
.toc-list a:hover{background:#F5F8FC;color:var(--primary);}
.toc-list a.current{border-left-color:var(--primary);background:var(--primary-soft);color:var(--primary);font-weight:600;}
.toc-aside{display:none;}
@media (min-width:1280px){
  .toc-aside{display:block;}
  .toc-sticky{position:sticky;top:96px;}
}

/* 正文排版 */
.article-body{
  background:#fff;border:1px solid var(--line);border-radius:var(--r-card);
  box-shadow:var(--sh-1);padding:32px 26px;font-size:17px;line-height:1.9;color:var(--text);
  overflow-wrap:break-word;
}
@media (min-width:768px){.article-body{padding:44px 46px;}}
.article-body > *:first-child{margin-top:0;}
.article-body p{margin:0 0 1.3em;}
.article-body h2{
  position:relative;font-size:clamp(22px,2.4vw,28px);line-height:1.35;margin:40px 0 16px;padding-left:14px;
}
.article-body h2::before{
  content:"";position:absolute;left:0;top:.28em;bottom:.28em;width:3px;border-radius:3px;background:var(--primary);
}
.article-body h3{font-size:20px;line-height:1.45;margin:28px 0 12px;}
.article-body h4{font-size:17px;margin:22px 0 10px;}
.article-body ul,.article-body ol{margin:0 0 1.3em;padding-left:1.35em;}
.article-body ul li{list-style:none;position:relative;margin:0 0 .5em;padding-left:6px;}
.article-body ul li::before{
  content:"";position:absolute;left:-16px;top:.72em;width:6px;height:6px;border-radius:50%;background:var(--primary);
}
.article-body ol{list-style:decimal;}
.article-body ol li{margin:0 0 .5em;}
.article-body ol li::marker{color:var(--primary);font-weight:700;}
.article-body blockquote{
  margin:0 0 1.4em;padding:16px 20px;background:#F7F9FC;border-left:4px solid var(--second);
  border-radius:0 12px 12px 0;color:var(--text);
}
.article-body blockquote p:last-child{margin-bottom:0;}
.article-body img{border-radius:12px;margin:22px auto;width:auto;max-width:100%;}
.article-body a{font-weight:600;border-bottom:1px solid rgba(33,88,232,.3);}
.article-body a:hover{border-bottom-color:var(--primary-hover);}
.article-body code{
  background:#F1F4F9;border-radius:6px;padding:2px 6px;font-size:.92em;color:#1F3A7A;
}
.article-body pre{
  background:#0F1A2B;color:#DCE6F5;border-radius:12px;padding:18px;overflow-x:auto;font-size:14px;line-height:1.7;
}
.article-body hr{border:0;border-top:1px solid var(--line);margin:32px 0;}
.table-scroll{overflow-x:auto;margin:0 0 1.4em;border:1px solid var(--line);border-radius:12px;}
.article-body table{width:100%;border-collapse:collapse;font-size:15px;min-width:520px;}
.article-body thead th{background:#F5F8FC;color:var(--ink);text-align:left;font-weight:700;}
.article-body th,.article-body td{padding:12px 14px;border-bottom:1px solid var(--line);vertical-align:top;}
.article-body tbody tr:last-child td{border-bottom:0;}

/* 空态 */
.empty-state{
  text-align:center;padding:56px 20px;background:#fff;border:1px solid var(--line);
  border-radius:var(--r-card);box-shadow:var(--sh-1);
}
.empty-state .ring{
  width:56px;height:56px;border-radius:50%;background:var(--primary-soft);color:var(--primary);
  display:inline-flex;align-items:center;justify-content:center;margin-bottom:16px;
}
.empty-state h2{font-size:20px;margin-bottom:8px;}
.empty-state p{font-size:14px;color:var(--muted);margin-bottom:20px;}

/* 标签行 */
.tag-row{display:flex;flex-wrap:wrap;gap:10px;align-items:center;margin:26px 0 0;}
.tag-row .label{font-size:13px;color:var(--muted);}
.tag{
  display:inline-flex;align-items:center;height:32px;padding:0 14px;border-radius:999px;
  background:var(--page);border:1px solid var(--line);font-size:13.5px;color:var(--text);
}
.tag:hover{background:var(--primary-soft);border-color:#CBDAFF;color:var(--primary);}

/* 上一篇 / 下一篇 */
.pn-grid{display:grid;grid-template-columns:1fr;gap:16px;margin-top:34px;}
@media (min-width:768px){.pn-grid{grid-template-columns:1fr 1fr;}}
.pn-card{
  display:block;background:#fff;border:1px solid var(--line);border-radius:var(--r-card);
  padding:18px 20px;box-shadow:var(--sh-1);transition:all var(--t);
}
.pn-card:hover{box-shadow:var(--sh-2);transform:translateY(-3px);border-color:#D6E1F5;color:var(--text);}
.pn-card .k{font-size:12px;color:var(--muted);letter-spacing:.04em;}
.pn-card .t{font-size:15.5px;font-weight:700;color:var(--ink);margin:6px 0 4px;transition:color var(--t);}
.pn-card:hover .t{color:var(--primary);}
.pn-card .d{font-size:13px;color:var(--muted);line-height:1.7;}
.pn-card.next{text-align:right;}

/* 相关推荐 */
.related-grid{display:grid;grid-template-columns:1fr;gap:20px;}
@media (min-width:640px){.related-grid{grid-template-columns:1fr 1fr;}}
@media (min-width:1024px){.related-grid{grid-template-columns:repeat(3,1fr);}}
.card{
  display:flex;flex-direction:column;background:var(--card);border:1px solid var(--line);
  border-radius:var(--r-card);overflow:hidden;box-shadow:var(--sh-1);transition:box-shadow var(--t),transform var(--t),border-color var(--t);
}
.card:hover{box-shadow:var(--sh-2);transform:translateY(-3px);border-color:#D6E1F5;color:var(--text);}
.card-thumb{overflow:hidden;aspect-ratio:16/9;background:#EDF2F9;}
.card-thumb img{width:100%;height:100%;object-fit:cover;transition:transform 400ms ease-out;}
.card:hover .card-thumb img{transform:scale(1.04);}
.card-body{padding:16px 18px 18px;}
.card-body h3{font-size:16.5px;line-height:1.45;margin-bottom:8px;transition:color var(--t);}
.card:hover .card-body h3{color:var(--primary);}
.card-body p{font-size:13.5px;color:var(--muted);line-height:1.7;margin:0 0 10px;}
.card-meta{display:flex;align-items:center;gap:8px;font-size:12.5px;color:var(--muted);}

/* 通用板块 */
.section{padding:72px 0;}
@media (min-width:1024px){.section{padding:96px 0;}}
.section-head{display:flex;align-items:flex-end;justify-content:space-between;gap:20px;margin-bottom:28px;flex-wrap:wrap;}
.section-head h2{font-size:clamp(22px,2.6vw,30px);}
.section-head .sub{font-size:14px;color:var(--muted);margin-top:8px;}

/* CTA */
.cta-panel{
  background:var(--primary-soft);border-radius:var(--r-hero);padding:34px 26px;
  display:grid;grid-template-columns:1fr;gap:24px;align-items:center;
}
@media (min-width:900px){.cta-panel{grid-template-columns:1.1fr 1fr;padding:44px 48px;gap:40px;}}
.cta-panel h2{font-size:clamp(22px,2.6vw,30px);margin-bottom:12px;}
.cta-panel p{font-size:15px;color:var(--text);margin:0;}
.cta-form{display:flex;flex-direction:column;gap:12px;}
@media (min-width:640px){.cta-form{flex-direction:row;align-items:center;}}
.cta-form input{
  flex:1;height:46px;border-radius:var(--r-btn);border:1px solid var(--line);background:#fff;
  padding:0 16px;font-size:15px;color:var(--ink);outline:none;transition:border-color var(--t),box-shadow var(--t);
}
.cta-form input::placeholder{color:var(--muted);}
.cta-form input:focus{border-color:var(--primary);box-shadow:0 0 0 4px rgba(33,88,232,.14);}
.privacy-note{font-size:12px;color:var(--muted);margin-top:12px;}

/* 返回链接 */
.back-row{margin-top:26px;}
.back-link{display:inline-flex;align-items:center;gap:8px;font-size:14px;font-weight:600;color:var(--primary);}
.back-link span{transition:transform var(--t);}
.back-link:hover span{transform:translateX(-3px);}

/* ============ 页脚 ============ */
.site-footer{background:var(--foot);color:#C6D2E4;margin-top:80px;padding:64px 0 26px;font-size:14px;}
.footer-grid{display:grid;grid-template-columns:1fr;gap:36px;}
@media (min-width:768px){.footer-grid{grid-template-columns:1fr 1fr;gap:40px;}}
@media (min-width:1024px){.footer-grid{grid-template-columns:1.6fr 1fr 1fr 1.2fr;}}
.footer-brand{display:flex;align-items:center;gap:10px;margin-bottom:14px;}
.footer-brand b{font-size:16px;color:#fff;}
.site-footer .logo-mark{background:var(--primary);}
.footer-desc{color:#94A5BE;font-size:13.5px;line-height:1.8;margin:0 0 8px;max-width:34em;}
.site-footer h4{color:#fff;font-size:14px;margin-bottom:14px;letter-spacing:.02em;}
.site-footer a{color:#C6D2E4;font-size:13.5px;padding:5px 0;display:inline-block;}
.site-footer a:hover{color:#fff;}
.footer-form{display:flex;gap:8px;margin-top:12px;flex-wrap:wrap;}
.footer-form input{
  flex:1;min-width:150px;height:40px;border-radius:10px;border:1px solid #26364E;background:#16233A;
  color:#fff;padding:0 12px;font-size:14px;outline:none;transition:border-color var(--t),box-shadow var(--t);
}
.footer-form input::placeholder{color:#7A8CA6;}
.footer-form input:focus{border-color:var(--primary);box-shadow:0 0 0 3px rgba(33,88,232,.28);}
.footer-bottom{
  border-top:1px solid #223047;margin-top:44px;padding-top:20px;
  display:flex;flex-wrap:wrap;gap:10px;justify-content:space-between;font-size:12.5px;color:#8397B2;
}
.footer-bottom a{font-size:12.5px;color:#A9BDD8;display:inline;padding:0;}

@media (prefers-reduced-motion:reduce){
  *{animation-duration:.001ms !important;transition-duration:.001ms !important;scroll-behavior:auto !important;}
}

/* roulang page: category1 */
:root{
    --primary:#2158E8;
    --primary-hover:#1A47C4;
    --primary-soft:#EAF0FF;
    --second:#00B8A9;
    --accent:#FF8A3D;
    --ink:#0D1B2A;
    --text:#41526B;
    --muted:#8C99AC;
    --line:#E4EAF3;
    --bg:#F5F8FC;
    --card:#FFFFFF;
    --footer:#0F1A2B;
    --radius-card:16px;
    --radius-hero:24px;
    --radius-btn:10px;
    --shadow-1:0 6px 24px rgba(13,27,42,.06);
    --shadow-2:0 14px 34px rgba(13,27,42,.10);
    --shadow-3:0 20px 48px rgba(13,27,42,.14);
    --ease:200ms ease-out;
  }
  *,*::before,*::after{box-sizing:border-box}
  html{-webkit-text-size-adjust:100%}
  body{
    margin:0;
    font-family:'Inter','PingFang SC','HarmonyOS Sans SC','Microsoft YaHei',system-ui,sans-serif;
    font-size:16px;
    line-height:1.85;
    color:var(--text);
    background:var(--bg);
  }
  h1,h2,h3,h4{margin:0;color:var(--ink);font-weight:700;letter-spacing:-.01em}
  h1{font-size:clamp(30px,4.4vw,52px);line-height:1.2}
  h2{font-size:clamp(24px,2.6vw,32px);line-height:1.3}
  h3{font-size:21px;line-height:1.45;font-weight:600}
  h4{font-size:16px;line-height:1.5;font-weight:600}
  p{margin:0 0 1.2em}
  p:last-child{margin-bottom:0}
  a{color:var(--primary);text-decoration:none;transition:color var(--ease),background-color var(--ease),border-color var(--ease),transform var(--ease)}
  a:hover{color:var(--primary-hover)}
  img{max-width:100%;display:block}
  button{font:inherit;color:inherit;cursor:pointer;border:0;background:none}
  input{font:inherit}
  ul,ol{margin:0;padding:0;list-style:none}
  ::selection{background:var(--primary-soft);color:var(--primary-hover)}
  :focus-visible{outline:2px solid var(--primary);outline-offset:2px;border-radius:6px}
  .container{width:100%;max-width:1200px;margin:0 auto;padding:0 20px}
  @media (min-width:1024px){.container{padding:0 32px}}
  .sr-only{position:absolute;width:1px;height:1px;overflow:hidden;clip:rect(0 0 0 0);white-space:nowrap}
  .muted{color:var(--muted);font-size:13px}

  /* ============ 头部导航 ============ */
  .site-header{
    position:sticky;top:0;z-index:60;
    background:rgba(255,255,255,.92);
    border-bottom:1px solid var(--line);
    backdrop-filter:saturate(180%) blur(8px);
    transition:box-shadow var(--ease);
  }
  .site-header.is-scrolled{box-shadow:var(--shadow-1)}
  .header-inner{display:flex;align-items:center;gap:24px;height:68px}
  .brand{display:flex;align-items:center;gap:10px;color:var(--ink);flex-shrink:0}
  .brand:hover{color:var(--ink)}
  .logo-mark{
    width:36px;height:36px;border-radius:11px;
    display:inline-flex;align-items:center;justify-content:center;
    background:var(--primary);color:#fff;flex-shrink:0;
    box-shadow:0 6px 16px rgba(33,88,232,.24);
  }
  .brand-text{display:flex;align-items:center;gap:8px;font-size:17px;font-weight:700;letter-spacing:-.01em;white-space:nowrap}
  .brand-badge{
    font-size:11px;font-weight:600;font-style:normal;line-height:1;
    padding:5px 8px;border-radius:999px;
    background:var(--primary-soft);color:var(--primary-hover);
    border:1px solid #D6E2FF;
  }
  .nav-links{display:flex;align-items:center;gap:4px;margin-left:8px}
  .nav-links a{
    position:relative;display:inline-flex;align-items:center;
    height:38px;padding:0 12px;border-radius:999px;
    font-size:14.5px;color:var(--text);font-weight:500;
  }
  .nav-links a::after{
    content:"";position:absolute;left:50%;bottom:4px;height:2px;width:0;
    background:var(--primary);border-radius:2px;transform:translateX(-50%);
    transition:width var(--ease);
  }
  .nav-links a:hover{color:var(--primary);background:#F3F6FC}
  .nav-links a:hover::after{width:18px}
  .nav-links a.active{background:var(--primary-soft);color:var(--primary-hover);font-weight:600}
  .nav-links a.active::after{width:0}
  .header-actions{display:flex;align-items:center;gap:10px;margin-left:auto}
  .search-wrap{position:relative}
  .search-box{
    display:flex;align-items:center;gap:8px;width:250px;height:40px;
    padding:0 12px;border-radius:12px;background:#F1F4F9;
    border:1px solid transparent;transition:all var(--ease);
  }
  .search-box:focus-within{background:#fff;border-color:var(--primary);box-shadow:0 0 0 4px rgba(33,88,232,.12)}
  .search-box svg{flex-shrink:0;color:var(--muted)}
  .search-box input{flex:1;min-width:0;border:0;background:transparent;outline:none;font-size:14px;color:var(--ink)}
  .search-box input::placeholder{color:var(--muted)}
  .kbd{
    font-size:11px;color:var(--muted);background:#fff;border:1px solid var(--line);
    border-radius:6px;padding:2px 6px;line-height:1.4;white-space:nowrap;
  }
  .search-panel{
    position:absolute;top:48px;right:0;width:340px;background:#fff;
    border:1px solid var(--line);border-radius:16px;box-shadow:var(--shadow-3);
    padding:10px;display:none;
  }
  .search-panel.is-open{display:block}
  .search-panel .group-title{font-size:12px;color:var(--muted);padding:8px 10px 4px}
  .search-panel a{display:flex;align-items:center;justify-content:space-between;gap:12px;padding:9px 10px;border-radius:10px;font-size:14px;color:var(--ink)}
  .search-panel a:hover{background:var(--bg);color:var(--primary)}
  .search-panel .empty{padding:14px 10px;font-size:13px;color:var(--muted)}
  .icon-btn{
    width:40px;height:40px;border-radius:12px;display:inline-flex;align-items:center;justify-content:center;
    background:#F1F4F9;color:var(--text);transition:all var(--ease);
  }
  .icon-btn:hover{background:var(--primary-soft);color:var(--primary)}
  .hamburger{display:none;width:40px;height:40px;border-radius:12px;background:#F1F4F9;align-items:center;justify-content:center;color:var(--ink)}
  .hamburger:hover{background:var(--primary-soft);color:var(--primary)}

  /* 按钮 */
  .btn{
    display:inline-flex;align-items:center;justify-content:center;gap:8px;
    height:44px;padding:0 20px;border-radius:var(--radius-btn);
    font-size:15px;font-weight:600;white-space:nowrap;
    transition:transform var(--ease),background-color var(--ease),box-shadow var(--ease),color var(--ease),border-color var(--ease);
  }
  .btn-primary{background:var(--primary);color:#fff;box-shadow:0 8px 20px rgba(33,88,232,.22)}
  .btn-primary:hover{background:var(--primary-hover);color:#fff;transform:translateY(-1px);box-shadow:0 12px 26px rgba(33,88,232,.26)}
  .btn-primary:active{transform:scale(.99)}
  .btn-ghost{background:#fff;color:var(--primary);border:1.5px solid var(--primary)}
  .btn-ghost:hover{background:var(--primary-soft);color:var(--primary-hover);transform:translateY(-1px)}
  .btn-ghost:active{transform:scale(.99)}
  .btn-sm{height:38px;padding:0 16px;font-size:14px;border-radius:10px}
  .btn-link{display:inline-flex;align-items:center;gap:6px;font-weight:600;color:var(--primary);font-size:14.5px}
  .btn-link .arrow{transition:transform var(--ease)}
  .btn-link:hover .arrow{transform:translateX(2px)}

  /* 移动抽屉 */
  .drawer{
    position:fixed;inset:0;background:#fff;z-index:80;
    transform:translateX(100%);transition:transform 240ms ease-out;
    display:flex;flex-direction:column;padding:20px;overflow-y:auto;
  }
  .drawer.is-open{transform:translateX(0)}
  .drawer-head{display:flex;align-items:center;justify-content:space-between;margin-bottom:18px}
  .drawer nav{display:flex;flex-direction:column;gap:4px;margin-top:16px}
  .drawer nav a{height:44px;display:flex;align-items:center;padding:0 14px;border-radius:12px;color:var(--ink);font-weight:600;font-size:15px}
  .drawer nav a:hover{background:var(--bg);color:var(--primary)}
  .drawer nav a.active{background:var(--primary-soft);color:var(--primary-hover)}
  .drawer .search-box{width:100%}

  /* ============ 页面头部 ============ */
  .breadcrumb{display:flex;align-items:center;gap:8px;font-size:13px;color:var(--muted);padding:22px 0 16px;flex-wrap:wrap}
  .breadcrumb a{color:var(--muted)}
  .breadcrumb a:hover{color:var(--primary)}
  .breadcrumb .current{color:var(--text)}
  .page-hero{
    position:relative;overflow:hidden;
    min-height:260px;border-radius:var(--radius-hero);
    background:linear-gradient(180deg,#EEF3FF 0%,#F7FAFF 100%);
    border:1px solid #DCE6FB;
    display:grid;grid-template-columns:1.4fr .9fr;align-items:center;
    padding:32px;box-shadow:var(--shadow-1);
  }
  .page-hero-text{position:relative;z-index:2;max-width:620px}
  .page-hero-text h1{margin:12px 0 14px}
  .page-hero-text .lead{font-size:17px;color:var(--text);max-width:560px}
  .page-hero-media{
    position:relative;height:210px;border-radius:18px;overflow:hidden;
    border:1px solid rgba(33,88,232,.18);box-shadow:var(--shadow-1);
  }
  .page-hero-media img{width:100%;height:100%;object-fit:cover}
  .head-actions{display:flex;gap:12px;flex-wrap:wrap;margin-top:22px}

  .badge{
    display:inline-flex;align-items:center;height:24px;padding:0 10px;
    border-radius:999px;font-size:12px;font-weight:600;line-height:1;
  }
  .badge-soft{background:var(--primary-soft);color:var(--primary-hover)}
  .badge-second{background:#E2F7F4;color:#00857B}
  .badge-accent{background:#FFF1E5;color:#C25A15}
  .badge-line{background:#F1F4F9;color:var(--text)}

  .statbar{
    display:flex;flex-wrap:wrap;align-items:center;gap:10px 22px;
    margin-top:20px;padding:14px 18px;border-radius:14px;
    background:#fff;border:1px solid var(--line);box-shadow:var(--shadow-1);
  }
  .statbar .item{display:flex;align-items:baseline;gap:8px;font-size:14px;color:var(--text)}
  .statbar b{font-size:20px;color:var(--ink);font-variant-numeric:tabular-nums}
  .statbar .divider{width:1px;height:22px;background:var(--line)}
  .statbar .state{display:inline-flex;align-items:center;gap:6px;margin-left:auto;font-size:13px;color:var(--muted)}
  .dot{width:8px;height:8px;border-radius:999px;background:var(--second);display:inline-block}

  /* ============ 板块 ============ */
  .section{padding:56px 0}
  @media (min-width:1024px){.section{padding:88px 0}}
  .section-head{display:flex;align-items:flex-end;justify-content:space-between;gap:20px;margin-bottom:28px;flex-wrap:wrap}
  .section-head p{margin:10px 0 0;color:var(--text);font-size:15px;max-width:620px}

  /* 双列大卡瀑布 */
  .card-pool{display:grid;grid-template-columns:1fr;gap:24px}
  @media (min-width:768px){.card-pool{grid-template-columns:repeat(2,1fr)}}
  .big-card{
    background:var(--card);border:1px solid var(--line);border-radius:var(--radius-card);
    box-shadow:var(--shadow-1);overflow:hidden;display:flex;flex-direction:column;
    transition:transform var(--ease),box-shadow var(--ease);
  }
  .big-card:hover{transform:translateY(-3px);box-shadow:var(--shadow-2)}
  .big-card .thumb{position:relative;aspect-ratio:16/9;overflow:hidden;background:#EDF1F7}
  .big-card .thumb img{width:100%;height:100%;object-fit:cover;transition:transform 400ms ease-out}
  .big-card:hover .thumb img{transform:scale(1.04)}
  .big-card .thumb .tag-left{position:absolute;left:12px;top:12px}
  .big-card .thumb .tag-right{position:absolute;right:12px;top:12px}
  .big-card .body{padding:20px 22px 22px;display:flex;flex-direction:column;gap:10px;flex:1}
  .big-card .body p{margin:0;font-size:14.5px;line-height:1.8;color:var(--text)}
  .big-card h3 a{color:var(--ink)}
  .big-card h3 a:hover{color:var(--primary)}
  .meta-row{display:flex;flex-wrap:wrap;align-items:center;gap:8px;font-size:13px;color:var(--muted);margin-top:auto}
  .meta-row .sep{width:3px;height:3px;border-radius:999px;background:#CBD5E4}

  .load-more{
    margin-top:36px;display:flex;flex-direction:column;align-items:center;gap:12px;
    padding:26px;border-radius:16px;background:#fff;border:1px dashed #CFDCF5;
  }
  .load-more .count{font-size:13px;color:var(--muted);font-variant-numeric:tabular-nums}

  /* 上架节奏信息条 */
  .rhythm{display:flex;flex-direction:column;border-top:1px solid var(--line)}
  .rhythm .row{
    display:grid;grid-template-columns:200px 1fr auto;gap:20px;align-items:center;
    padding:22px 0;border-bottom:1px solid var(--line);
  }
  .rhythm .row h3{font-size:18px}
  .rhythm .row p{margin:0;font-size:14.5px}
  .rhythm .row .pill{height:26px;padding:0 12px;border-radius:999px;background:#E2F7F4;color:#00857B;font-size:12.5px;font-weight:600;display:inline-flex;align-items:center;white-space:nowrap}

  /* 内链卡组 */
  .link-cards{display:grid;grid-template-columns:1fr;gap:16px}
  @media (min-width:640px){.link-cards{grid-template-columns:repeat(2,1fr)}}
  @media (min-width:1024px){.link-cards{grid-template-columns:repeat(4,1fr)}}
  .link-card{
    display:flex;flex-direction:column;gap:8px;padding:20px;border-radius:14px;
    background:#fff;border:1px solid var(--line);box-shadow:var(--shadow-1);
    transition:transform var(--ease),box-shadow var(--ease);
  }
  .link-card:hover{transform:translateY(-3px);box-shadow:var(--shadow-2);color:var(--ink)}
  .link-card b{color:var(--ink);font-size:16px}
  .link-card span{font-size:13.5px;color:var(--text);line-height:1.7}

  /* FAQ */
  .faq-group{background:#fff;border:1px solid var(--line);border-radius:16px;box-shadow:var(--shadow-1);overflow:hidden}
  .faq-item + .faq-item{border-top:1px solid var(--line)}
  .faq-q{
    width:100%;display:flex;align-items:center;justify-content:space-between;gap:16px;
    padding:20px 22px;text-align:left;font-size:16px;font-weight:600;color:var(--ink);
    transition:color var(--ease),background-color var(--ease);
  }
  .faq-q:hover{background:var(--bg);color:var(--primary)}
  .faq-item.is-open .faq-q{color:var(--primary);box-shadow:inset 3px 0 0 var(--primary)}
  .faq-q .chev{flex-shrink:0;transition:transform var(--ease);color:var(--muted)}
  .faq-item.is-open .chev{transform:rotate(180deg);color:var(--primary)}
  .faq-a{max-height:0;overflow:hidden;transition:max-height 260ms ease-out}
  .faq-a .inner{padding:0 22px 22px;font-size:15px;color:var(--text)}

  /* CTA */
  .cta-panel{
    background:var(--primary-soft);border:1px solid #D6E2FF;border-radius:24px;
    padding:32px;display:grid;grid-template-columns:1fr;gap:24px;align-items:center;
  }
  @media (min-width:1024px){.cta-panel{grid-template-columns:1.1fr 1fr;padding:44px}}
  .cta-panel h2{margin-bottom:10px}
  .cta-form{display:flex;flex-direction:column;gap:12px}
  .cta-form .row{display:flex;gap:12px;flex-direction:column}
  @media (min-width:520px){.cta-form .row{flex-direction:row}}
  .field label{display:block;font-size:13px;font-weight:600;color:var(--ink);margin-bottom:6px}
  .field input{
    width:100%;height:44px;padding:0 14px;border-radius:10px;border:1px solid #C9D6F2;
    background:#fff;color:var(--ink);outline:none;transition:all var(--ease);
  }
  .field input::placeholder{color:var(--muted)}
  .field input:focus{border-color:var(--primary);box-shadow:0 0 0 4px rgba(33,88,232,.14)}
  .privacy{font-size:12px;color:#6C7A92}

  /* ============ 页脚 ============ */
  .site-footer{background:var(--footer);color:#C9D3E2;margin-top:8px;padding:64px 0 24px}
  .footer-grid{display:grid;grid-template-columns:1fr;gap:32px}
  @media (min-width:768px){.footer-grid{grid-template-columns:repeat(2,1fr)}}
  @media (min-width:1024px){.footer-grid{grid-template-columns:1.4fr 1fr 1fr 1.2fr;gap:40px}}
  .site-footer h4{color:#fff;font-size:15px;margin-bottom:14px}
  .site-footer a{display:block;color:#AEBACE;font-size:14px;padding:5px 0}
  .site-footer a:hover{color:#fff}
  .footer-brand{display:flex;align-items:center;gap:10px;color:#fff;font-size:16.5px;margin-bottom:14px}
  .footer-brand b{font-weight:700}
  .footer-desc{font-size:13.5px;color:#9FAEC4;line-height:1.8;max-width:340px}
  .footer-form{display:flex;gap:10px;margin-top:14px;flex-wrap:wrap}
  .footer-form input{
    flex:1;min-width:150px;height:40px;padding:0 12px;border-radius:10px;
    border:1px solid #2A3A52;background:#152238;color:#E7EDF7;outline:none;font-size:14px;
  }
  .footer-form input::placeholder{color:#7E8DA4}
  .footer-form input:focus{border-color:var(--primary);box-shadow:0 0 0 4px rgba(33,88,232,.22)}
  .footer-bottom{
    margin-top:44px;padding-top:20px;border-top:1px solid #22314A;
    display:flex;flex-wrap:wrap;gap:10px 24px;justify-content:space-between;
    font-size:13px;color:#8C9AB0;
  }
  .footer-bottom a{display:inline;color:#AEBACE;padding:0}
  .footer-bottom a:hover{color:#fff}

  /* 响应式导航 */
  @media (max-width:1199px){
    .search-box{width:200px}
    .nav-links a{padding:0 10px;font-size:14px}
  }
  @media (max-width:1023px){
    .nav-links{display:none}
    .search-wrap{display:none}
    .header-actions .btn{display:none}
    .hamburger{display:inline-flex}
    .page-hero{grid-template-columns:1fr;padding:24px;gap:20px}
    .page-hero-media{height:180px;order:-1}
    .rhythm .row{grid-template-columns:1fr;gap:8px;align-items:flex-start}
  }
  @media (max-width:520px){
    h3{font-size:19px}
    .statbar{gap:10px 16px;padding:14px}
    .statbar .divider{display:none}
    .statbar .state{margin-left:0}
    .cta-panel{padding:24px}
    .head-actions .btn{width:100%}
  }
  @media (prefers-reduced-motion:reduce){
    *{transition:none !important;animation:none !important}
  }

/* roulang page: category2 */
:root{
    --primary:#2158E8;
    --primary-hover:#1A47C4;
    --primary-soft:#EAF0FF;
    --second:#00B8A9;
    --second-soft:#E3F8F6;
    --accent:#FF8A3D;
    --accent-soft:#FFF1E7;
    --ink:#0D1B2A;
    --body:#41526B;
    --muted:#8C99AC;
    --line:#E4EAF3;
    --page:#F5F8FC;
    --card:#FFFFFF;
    --foot:#0F1A2B;
    --radius:16px;
    --radius-lg:24px;
    --radius-sm:10px;
    --shadow-1:0 6px 24px rgba(13,27,42,.06);
    --shadow-2:0 14px 34px rgba(13,27,42,.10);
    --shadow-3:0 20px 48px rgba(13,27,42,.14);
    --ease:200ms ease-out;
  }
  *,*::before,*::after{box-sizing:border-box;}
  html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
  body{
    margin:0;
    font-family:'Inter','PingFang SC','HarmonyOS Sans SC','Microsoft YaHei',system-ui,sans-serif;
    font-size:16px;
    line-height:1.85;
    color:var(--body);
    background:var(--page);
  }
  img{max-width:100%;display:block;}
  a{color:inherit;text-decoration:none;}
  button{font-family:inherit;font-size:inherit;cursor:pointer;}
  input{font-family:inherit;}
  h1,h2,h3,h4{color:var(--ink);margin:0;letter-spacing:-.01em;}
  p{margin:0 0 1.2em;}
  p:last-child{margin-bottom:0;}
  ul{margin:0;padding:0;list-style:none;}
  ::selection{background:var(--primary-soft);color:var(--ink);}
  :focus-visible{outline:2px solid var(--primary);outline-offset:2px;border-radius:6px;}
  .container{width:100%;max-width:1200px;margin:0 auto;padding:0 20px;}
  @media (min-width:1024px){ .container{padding:0 32px;} }
  .no-scrollbar{scrollbar-width:none;-ms-overflow-style:none;}
  .no-scrollbar::-webkit-scrollbar{display:none;}

  /* ---------- Buttons ---------- */
  .btn{
    display:inline-flex;align-items:center;justify-content:center;gap:8px;
    height:44px;padding:0 20px;border-radius:var(--radius-sm);
    border:1.5px solid transparent;font-weight:600;font-size:15px;
    transition:background var(--ease),color var(--ease),box-shadow var(--ease),transform var(--ease),border-color var(--ease);
    white-space:nowrap;
  }
  .btn-sm{height:38px;padding:0 16px;font-size:14px;}
  .btn-primary{background:var(--primary);color:#fff;box-shadow:0 8px 20px rgba(33,88,232,.22);}
  .btn-primary:hover{background:var(--primary-hover);transform:translateY(-1px);box-shadow:0 12px 26px rgba(33,88,232,.28);}
  .btn-primary:active{transform:scale(.99);}
  .btn-ghost{background:#fff;color:var(--primary);border-color:var(--primary);}
  .btn-ghost:hover{background:var(--primary-soft);transform:translateY(-1px);}
  .btn-ghost:active{transform:scale(.99);}
  .text-link{display:inline-flex;align-items:center;gap:6px;color:var(--primary);font-weight:600;font-size:14px;transition:color var(--ease);}
  .text-link .arrow{transition:transform var(--ease);}
  .text-link:hover{color:var(--primary-hover);}
  .text-link:hover .arrow{transform:translateX(2px);}

  /* ---------- Badges ---------- */
  .badge{display:inline-flex;align-items:center;height:24px;padding:0 10px;border-radius:999px;font-size:12.5px;font-weight:600;line-height:1;}
  .badge-blue{background:var(--primary-soft);color:var(--primary-hover);}
  .badge-green{background:var(--second-soft);color:#0E8579;}
  .badge-orange{background:var(--accent-soft);color:#C25E19;}
  .badge-grey{background:#F1F4F9;color:#63748E;}

  /* ---------- Header / Nav ---------- */
  .site-header{
    position:sticky;top:0;z-index:60;
    background:rgba(255,255,255,.92);
    backdrop-filter:blur(6px);
    border-bottom:1px solid var(--line);
    transition:box-shadow var(--ease);
  }
  .site-header.is-scrolled{box-shadow:0 6px 22px rgba(13,27,42,.08);}
  .header-inner{height:68px;display:flex;align-items:center;gap:24px;}
  .brand{display:flex;align-items:center;gap:10px;flex-shrink:0;}
  .logo-mark{
    width:36px;height:36px;border-radius:10px;background:var(--primary);color:#fff;
    display:inline-flex;align-items:center;justify-content:center;flex-shrink:0;
    box-shadow:0 6px 16px rgba(33,88,232,.25);
  }
  .brand-text{display:flex;align-items:baseline;gap:8px;}
  .brand-text b{font-size:17px;color:var(--ink);font-weight:700;letter-spacing:-.01em;}
  .brand-text i{
    font-style:normal;font-size:11px;font-weight:600;color:var(--primary-hover);
    background:var(--primary-soft);padding:2px 7px;border-radius:999px;line-height:1.4;
  }
  .nav-links{display:flex;align-items:center;gap:4px;flex:1;min-width:0;}
  .nav-links a{
    position:relative;display:inline-flex;align-items:center;height:38px;padding:0 12px;
    border-radius:999px;font-size:14.5px;font-weight:500;color:var(--body);white-space:nowrap;
    transition:color var(--ease),background var(--ease);
  }
  .nav-links a::after{
    content:"";position:absolute;left:50%;bottom:5px;height:2px;width:0;background:var(--primary);
    transform:translateX(-50%);transition:width var(--ease);border-radius:2px;
  }
  .nav-links a:hover{color:var(--primary);background:#F7F9FE;}
  .nav-links a:hover::after{width:18px;}
  .nav-links a.active{color:var(--primary-hover);background:var(--primary-soft);font-weight:600;}
  .nav-links a.active::after{width:0;}
  .header-actions{display:flex;align-items:center;gap:10px;margin-left:auto;}
  .search-wrap{position:relative;}
  .search-box{
    display:flex;align-items:center;gap:8px;height:40px;width:250px;padding:0 12px;
    background:#F1F4F9;border:1px solid transparent;border-radius:12px;
    transition:background var(--ease),border-color var(--ease),box-shadow var(--ease);
  }
  .search-box:focus-within{background:#fff;border-color:var(--primary);box-shadow:0 0 0 4px rgba(33,88,232,.12);}
  .search-box svg{flex-shrink:0;color:var(--muted);}
  .search-box input{
    flex:1;min-width:0;border:0;background:transparent;outline:none;
    font-size:14px;color:var(--ink);
  }
  .search-box input::placeholder{color:var(--muted);}
  .search-box kbd{
    font-family:inherit;font-size:11px;color:var(--muted);background:#fff;
    border:1px solid var(--line);border-radius:6px;padding:1px 6px;line-height:1.5;
  }
  .search-panel{
    position:absolute;top:52px;right:0;width:340px;background:#fff;border-radius:16px;
    box-shadow:var(--shadow-3);border:1px solid var(--line);padding:12px;
    opacity:0;visibility:hidden;transform:translateY(-6px);
    transition:opacity var(--ease),transform var(--ease),visibility var(--ease);
  }
  .search-wrap.is-open .search-panel{opacity:1;visibility:visible;transform:translateY(0);}
  .search-panel .group-title{font-size:12px;color:var(--muted);padding:6px 8px;font-weight:600;}
  .search-row{display:flex;align-items:center;gap:10px;padding:9px 10px;border-radius:10px;font-size:14px;color:var(--body);transition:background var(--ease);}
  .search-row:hover,.search-row.is-hl{background:var(--primary-soft);color:var(--primary-hover);}
  .search-row .dot{width:6px;height:6px;border-radius:50%;background:var(--second);flex-shrink:0;}
  .search-empty{padding:10px;font-size:13px;color:var(--muted);}
  .icon-btn{
    width:40px;height:40px;border-radius:12px;border:1px solid var(--line);background:#fff;color:var(--body);
    display:inline-flex;align-items:center;justify-content:center;transition:color var(--ease),border-color var(--ease),background var(--ease);
  }
  .icon-btn:hover{color:var(--primary);border-color:var(--primary);background:var(--primary-soft);}
  .menu-toggle{display:none;width:40px;height:40px;border-radius:12px;border:1px solid var(--line);background:#fff;color:var(--ink);align-items:center;justify-content:center;}
  .menu-toggle:hover{border-color:var(--primary);color:var(--primary);}
  @media (max-width:1279px){ .search-box{width:190px;} }
  @media (max-width:1023px){
    .nav-links{display:none;}
    .menu-toggle{display:inline-flex;}
    .search-wrap,.header-cta,.icon-btn{display:none;}
    .header-inner{gap:16px;}
  }

  /* mobile drawer */
  .drawer-mask{
    position:fixed;inset:0;background:rgba(13,27,42,.34);opacity:0;visibility:hidden;
    transition:opacity 240ms ease-out,visibility 240ms ease-out;z-index:70;
  }
  .drawer-mask.is-open{opacity:1;visibility:visible;}
  .mobile-drawer{
    position:fixed;top:0;right:0;height:100%;width:min(88vw,360px);background:#fff;z-index:80;
    transform:translateX(102%);transition:transform 240ms ease-out;
    padding:20px;display:flex;flex-direction:column;gap:16px;overflow-y:auto;
    box-shadow:-18px 0 40px rgba(13,27,42,.14);
  }
  .mobile-drawer.is-open{transform:translateX(0);}
  .drawer-head{display:flex;align-items:center;justify-content:space-between;}
  .drawer-nav{display:flex;flex-direction:column;gap:4px;}
  .drawer-nav a{
    display:flex;align-items:center;height:44px;padding:0 12px;border-radius:10px;
    font-size:15px;color:var(--body);transition:background var(--ease),color var(--ease);
  }
  .drawer-nav a:hover{background:var(--primary-soft);color:var(--primary-hover);}
  .drawer-nav a.active{background:var(--primary-soft);color:var(--primary-hover);font-weight:600;}
  .drawer-search{display:flex;align-items:center;gap:8px;height:44px;padding:0 12px;background:#F1F4F9;border-radius:12px;}
  .drawer-search input{flex:1;border:0;background:transparent;outline:none;font-size:14px;color:var(--ink);}

  /* ---------- Breadcrumb ---------- */
  .breadcrumb-bar{background:#fff;border-bottom:1px solid var(--line);}
  .breadcrumb{display:flex;align-items:center;gap:8px;height:52px;font-size:13.5px;color:var(--muted);overflow:hidden;white-space:nowrap;}
  .breadcrumb a{color:var(--body);transition:color var(--ease);}
  .breadcrumb a:hover{color:var(--primary);}
  .breadcrumb .sep{color:#C3CDDC;}
  .breadcrumb .current{color:var(--muted);}

  /* ---------- Page hero ---------- */
  .page-hero{padding:44px 0 36px;background:#fff;border-bottom:1px solid var(--line);}
  .hero-grid{display:grid;grid-template-columns:1.55fr 1fr;gap:40px;align-items:center;}
  .page-hero h1{
    font-size:clamp(28px,3.6vw,44px);line-height:1.22;font-weight:700;letter-spacing:-.02em;
    margin:14px 0 14px;
  }
  .page-hero h1 span{color:var(--primary);}
  .hero-lead{font-size:16.5px;color:var(--body);max-width:640px;margin-bottom:18px;}
  .hero-tags{display:flex;flex-wrap:wrap;gap:8px;margin-bottom:22px;}
  .hero-stats{display:flex;gap:28px;flex-wrap:wrap;border-top:1px solid var(--line);padding-top:18px;}
  .hero-stats .stat b{display:block;font-size:22px;font-weight:700;color:var(--ink);font-variant-numeric:tabular-nums;line-height:1.3;}
  .hero-stats .stat span{font-size:13px;color:var(--muted);}
  .hero-media{
    border-radius:var(--radius-lg);overflow:hidden;border:1px solid var(--line);
    box-shadow:var(--shadow-1);aspect-ratio:16/11;background:#EBF0F9;
  }
  .hero-media img{width:100%;height:100%;object-fit:cover;}
  @media (max-width:900px){
    .hero-grid{grid-template-columns:1fr;gap:24px;}
    .hero-media{aspect-ratio:16/9;order:-1;}
  }

  /* ---------- Anchor nav (mobile chips) ---------- */
  .anchor-chips{display:none;gap:8px;overflow-x:auto;padding:14px 0 4px;}
  .anchor-chips a{
    display:inline-flex;align-items:center;height:36px;padding:0 14px;border-radius:999px;
    background:#fff;border:1px solid var(--line);font-size:13.5px;color:var(--body);white-space:nowrap;
    transition:background var(--ease),color var(--ease),border-color var(--ease);
  }
  .anchor-chips a:hover{background:var(--primary-soft);color:var(--primary-hover);border-color:#C9D8FF;}
  @media (max-width:1023px){ .anchor-chips{display:flex;} }

  /* ---------- Main layout ---------- */
  .section-pad{padding:64px 0;}
  @media (min-width:1024px){ .section-pad{padding:92px 0;} }
  .guide-layout{display:grid;grid-template-columns:240px 1fr;gap:48px;align-items:start;}
  @media (max-width:1023px){ .guide-layout{grid-template-columns:1fr;gap:28px;} }

  .anchor-panel{
    position:sticky;top:92px;background:#fff;border:1px solid var(--line);border-radius:var(--radius);
    padding:20px;box-shadow:var(--shadow-1);
  }
  .anchor-panel h2{font-size:13px;letter-spacing:.08em;color:var(--muted);font-weight:600;text-transform:uppercase;margin-bottom:14px;}
  .anchor-panel a{
    display:flex;align-items:center;gap:10px;padding:9px 10px;border-radius:10px;font-size:14.5px;color:var(--body);
    transition:background var(--ease),color var(--ease);
  }
  .anchor-panel a .idx{font-size:12px;color:var(--muted);font-variant-numeric:tabular-nums;}
  .anchor-panel a:hover{background:#F7F9FE;color:var(--primary-hover);}
  .anchor-panel .hint{margin-top:16px;padding-top:16px;border-top:1px solid var(--line);font-size:13px;color:var(--muted);line-height:1.7;}
  @media (max-width:1023px){ .anchor-panel{display:none;} }

  .guide-group{margin-bottom:44px;scroll-margin-top:96px;}
  .guide-group:last-child{margin-bottom:0;}
  .group-head{display:flex;align-items:flex-end;justify-content:space-between;gap:16px;margin-bottom:10px;}
  .group-head h2{font-size:24px;font-weight:700;}
  .group-head .group-note{font-size:14px;color:var(--muted);}
  .group-sub{font-size:14.5px;color:var(--muted);margin-bottom:8px;}

  .guide-list{border-top:1px solid var(--line);}
  .guide-item{
    display:flex;align-items:flex-start;gap:20px;padding:22px 12px 22px 8px;
    border-bottom:1px solid var(--line);transition:background var(--ease);
  }
  .guide-item:hover{background:#F5F8FC;}
  .guide-index{
    flex-shrink:0;width:46px;font-size:26px;font-weight:700;color:var(--second);
    font-variant-numeric:tabular-nums;line-height:1.25;letter-spacing:-.02em;
  }
  .guide-body{flex:1;min-width:0;}
  .guide-body h3{font-size:18px;font-weight:600;line-height:1.45;margin-bottom:6px;}
  .guide-body h3 a{transition:color var(--ease);}
  .guide-body h3 a:hover{color:var(--primary);}
  .guide-body p{
    font-size:14.5px;color:var(--body);line-height:1.75;margin:0 0 10px;
    display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;
  }
  .guide-meta{display:flex;flex-wrap:wrap;align-items:center;gap:12px;font-size:13px;color:var(--muted);}
  .guide-meta .sep{color:#D3DBE7;}
  .guide-arrow{
    flex-shrink:0;align-self:center;width:32px;height:32px;border-radius:50%;
    border:1px solid var(--line);color:var(--muted);display:inline-flex;align-items:center;justify-content:center;
    transition:transform var(--ease),color var(--ease),border-color var(--ease),background var(--ease);
  }
  .guide-item:hover .guide-arrow{color:var(--primary);border-color:var(--primary);background:#fff;transform:translateX(2px);}
  @media (max-width:639px){
    .guide-item{gap:14px;padding:18px 4px;}
    .guide-index{width:36px;font-size:21px;}
    .guide-body h3{font-size:16.5px;}
  }

  /* ---------- Related links ---------- */
  .related-wrap{background:#fff;border-top:1px solid var(--line);}
  .related-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:20px;margin-top:28px;}
  .related-card{
    display:flex;flex-direction:column;gap:10px;padding:20px;border-radius:var(--radius);
    background:#fff;border:1px solid var(--line);box-shadow:var(--shadow-1);
    transition:transform var(--ease),box-shadow var(--ease),border-color var(--ease);
  }
  .related-card:hover{transform:translateY(-3px);box-shadow:var(--shadow-2);border-color:#D5E1F5;}
  .related-card h3{font-size:16px;font-weight:600;}
  .related-card p{font-size:13.5px;color:var(--muted);margin:0;line-height:1.7;}
  .related-card .go{font-size:13px;color:var(--primary);font-weight:600;display:inline-flex;align-items:center;gap:5px;}
  .related-card:hover .go{color:var(--primary-hover);}
  @media (max-width:1023px){ .related-grid{grid-template-columns:repeat(2,1fr);} }
  @media (max-width:639px){ .related-grid{grid-template-columns:1fr;} }

  /* ---------- CTA ---------- */
  .cta-panel{
    background:var(--primary-soft);border-radius:var(--radius-lg);
    padding:40px;display:grid;grid-template-columns:1.1fr 1fr;gap:40px;align-items:center;
    border:1px solid #D9E3FF;
  }
  .cta-panel h2{font-size:26px;font-weight:700;margin-bottom:10px;}
  .cta-panel p{font-size:15px;color:#3C5488;margin:0;}
  .cta-form{display:flex;flex-direction:column;gap:12px;}
  .cta-form label{font-size:13.5px;font-weight:600;color:#2A3F6B;}
  .cta-row{display:flex;gap:12px;}
  .cta-row input{
    flex:1;height:44px;padding:0 14px;border-radius:var(--radius-sm);
    border:1.5px solid #C9D8FF;background:#fff;font-size:15px;color:var(--ink);outline:none;
    transition:border-color var(--ease),box-shadow var(--ease);
  }
  .cta-row input::placeholder{color:var(--muted);}
  .cta-row input:focus{border-color:var(--primary);box-shadow:0 0 0 4px rgba(33,88,232,.14);}
  .cta-note{font-size:12px;color:#6C7FA5;margin:0;}
  @media (max-width:900px){
    .cta-panel{grid-template-columns:1fr;padding:28px;gap:22px;}
    .cta-row{flex-direction:column;}
    .cta-row .btn{width:100%;}
  }

  /* ---------- Footer ---------- */
  .site-footer{background:var(--foot);color:#C6D0E0;margin-top:0;padding:64px 0 28px;}
  .footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1.4fr;gap:40px;}
  .footer-brand{display:flex;align-items:center;gap:10px;margin-bottom:14px;}
  .footer-brand b{color:#fff;font-size:16px;}
  .footer-brand .logo-mark{background:var(--primary);}
  .footer-desc{font-size:13.5px;line-height:1.8;color:#93A2BA;margin:0;}
  .site-footer h4{color:#fff;font-size:14px;margin-bottom:14px;font-weight:600;}
  .site-footer a{color:#9FB0C8;font-size:14px;line-height:2.1;transition:color var(--ease);}
  .site-footer a:hover{color:#fff;}
  .footer-form{display:flex;gap:10px;margin-top:12px;}
  .footer-form input{
    flex:1;min-width:0;height:40px;padding:0 12px;border-radius:10px;border:1px solid #2A3B55;
    background:#16233A;color:#fff;font-size:14px;outline:none;transition:border-color var(--ease);
  }
  .footer-form input::placeholder{color:#7C8CA6;}
  .footer-form input:focus{border-color:var(--primary);}
  .footer-bottom{
    margin-top:48px;padding-top:20px;border-top:1px solid #22304A;
    display:flex;justify-content:space-between;gap:16px;flex-wrap:wrap;
    font-size:13px;color:#7F8FA9;
  }
  .footer-bottom a{color:#B9C6DA;}
  @media (max-width:1023px){
    .footer-grid{grid-template-columns:1fr 1fr;gap:32px;}
  }
  @media (max-width:639px){
    .footer-grid{grid-template-columns:1fr;gap:26px;}
    .footer-bottom{flex-direction:column;gap:8px;}
  }

  @media (prefers-reduced-motion:reduce){
    *{animation-duration:.001ms !important;transition-duration:.001ms !important;scroll-behavior:auto !important;}
  }

/* roulang page: category3 */
:root{
    --primary:#2158E8;
    --primary-hover:#1A47C4;
    --primary-soft:#EAF0FF;
    --second:#00B8A9;
    --second-soft:#E3F8F6;
    --accent:#FF8A3D;
    --accent-soft:#FFF0E5;
    --ink:#0D1B2A;
    --body:#41526B;
    --muted:#8C99AC;
    --line:#E4EAF3;
    --page:#F5F8FC;
    --card:#FFFFFF;
    --footer:#0F1A2B;
    --ok:#17A673;
    --r-card:16px;
    --r-lg:24px;
    --r-btn:10px;
    --sh1:0 6px 24px rgba(13,27,42,.06);
    --sh2:0 14px 34px rgba(13,27,42,.10);
    --sh3:0 20px 48px rgba(13,27,42,.14);
    --ease:200ms ease-out;
  }

  *,*::before,*::after{box-sizing:border-box;}
  html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
  body{
    margin:0;
    font-family:'Inter','PingFang SC','HarmonyOS Sans SC','Microsoft YaHei',system-ui,sans-serif;
    font-size:16px;line-height:1.85;color:var(--body);background:var(--page);
    -webkit-font-smoothing:antialiased;
  }
  h1,h2,h3,h4{margin:0;color:var(--ink);font-weight:700;letter-spacing:-.01em;}
  h1{font-size:clamp(30px,4.4vw,52px);line-height:1.2;}
  h2{font-size:clamp(24px,2.6vw,32px);line-height:1.3;}
  h3{font-size:20px;line-height:1.45;font-weight:600;}
  h4{font-size:16px;line-height:1.5;font-weight:600;}
  p{margin:0 0 1.2em;}
  p:last-child{margin-bottom:0;}
  a{color:var(--primary);text-decoration:none;transition:color var(--ease),background var(--ease),border-color var(--ease);}
  a:hover{color:var(--primary-hover);}
  img{max-width:100%;display:block;}
  button,input{font:inherit;color:inherit;}
  button{cursor:pointer;border:0;background:none;}
  ul,ol{margin:0;padding:0;list-style:none;}
  ::selection{background:var(--primary-soft);color:var(--ink);}
  :focus-visible{outline:2px solid var(--primary);outline-offset:2px;border-radius:4px;}

  .container{width:100%;max-width:1200px;margin:0 auto;padding:0 20px;}
  @media (min-width:1024px){.container{padding:0 32px;}}

  .section{padding:56px 0;}
  @media (min-width:1024px){.section{padding:92px 0;}}
  .section-tight{padding-top:36px;}
  .section-head{display:flex;flex-wrap:wrap;align-items:flex-end;justify-content:space-between;gap:16px;margin-bottom:28px;}
  .section-head p{margin:8px 0 0;color:var(--body);font-size:15px;max-width:640px;}
  .eyebrow{display:inline-flex;align-items:center;gap:8px;font-size:13px;font-weight:600;color:var(--primary);background:var(--primary-soft);border-radius:999px;padding:5px 14px;letter-spacing:.02em;}
  .link-more{display:inline-flex;align-items:center;gap:6px;font-size:14px;font-weight:600;color:var(--primary);}
  .link-more span{transition:transform var(--ease);}
  .link-more:hover span{transform:translateX(3px);}

  /* ---------- 顶部导航 ---------- */
  .site-header{
    position:sticky;top:0;z-index:60;height:68px;
    background:rgba(255,255,255,.92);
    border-bottom:1px solid var(--line);
    backdrop-filter:blur(4px);
    transition:box-shadow var(--ease);
  }
  .site-header.is-scrolled{box-shadow:var(--sh1);}
  .header-inner{height:68px;display:flex;align-items:center;gap:24px;}
  .brand{display:flex;align-items:center;gap:10px;flex-shrink:0;}
  .logo-mark{
    width:38px;height:38px;border-radius:11px;flex-shrink:0;
    background:var(--primary);color:#fff;display:grid;place-items:center;
    box-shadow:0 6px 16px rgba(33,88,232,.28);
  }
  .brand-text{display:flex;flex-direction:column;line-height:1.15;}
  .brand-text b{font-size:16px;color:var(--ink);font-weight:700;letter-spacing:-.01em;}
  .brand-badge{font-size:10.5px;color:var(--primary);background:var(--primary-soft);border-radius:999px;padding:1px 7px;align-self:flex-start;font-weight:600;letter-spacing:.04em;}
  .nav-links{display:none;align-items:center;gap:2px;}
  .nav-links a{
    position:relative;display:inline-flex;align-items:center;height:34px;padding:0 12px;
    border-radius:999px;font-size:14px;font-weight:500;color:var(--body);
  }
  .nav-links a::after{
    content:"";position:absolute;left:50%;right:50%;bottom:2px;height:2px;border-radius:2px;background:var(--primary);
    transition:left var(--ease),right var(--ease);
  }
  .nav-links a:hover{color:var(--primary);}
  .nav-links a:hover::after{left:12px;right:12px;}
  .nav-links a.active{background:var(--primary-soft);color:var(--primary);font-weight:600;}
  .nav-links a.active::after{left:50%;right:50%;}
  .header-actions{margin-left:auto;display:flex;align-items:center;gap:12px;}
  .search-wrap{position:relative;display:none;}
  .search-box{
    display:flex;align-items:center;gap:10px;width:264px;height:40px;padding:0 12px;
    background:#F1F4F9;border:1px solid transparent;border-radius:12px;transition:var(--ease);
  }
  .search-box:focus-within{background:#fff;border-color:var(--primary);box-shadow:0 0 0 4px rgba(33,88,232,.12);}
  .search-box input{border:0;background:none;outline:none;flex:1;font-size:14px;color:var(--ink);min-width:0;}
  .search-box input::placeholder{color:var(--muted);}
  .kbd{font-size:11px;color:var(--muted);border:1px solid var(--line);background:#fff;border-radius:6px;padding:1px 6px;line-height:1.5;}
  .search-panel{
    position:absolute;top:50px;left:0;width:340px;background:#fff;border:1px solid var(--line);
    border-radius:16px;box-shadow:var(--sh3);padding:12px;display:none;
  }
  .search-panel.is-open{display:block;}
  .search-panel h5{margin:6px 8px;font-size:11.5px;color:var(--muted);font-weight:600;letter-spacing:.06em;}
  .search-panel a{display:flex;align-items:center;justify-content:space-between;gap:12px;padding:9px 10px;border-radius:10px;font-size:14px;color:var(--body);}
  .search-panel a:hover{background:var(--page);color:var(--primary);}
  .search-panel .empty{padding:12px 10px;font-size:13px;color:var(--muted);}
  .icon-btn{
    width:40px;height:40px;border-radius:11px;display:none;place-items:center;
    background:#fff;border:1px solid var(--line);color:var(--body);transition:var(--ease);
  }
  .icon-btn:hover{color:var(--primary);border-color:#C9D8FF;transform:translateY(-1px);}

  .btn{
    display:inline-flex;align-items:center;justify-content:center;gap:8px;
    height:44px;padding:0 20px;border-radius:var(--r-btn);font-size:15px;font-weight:600;
    border:1.5px solid transparent;transition:var(--ease);white-space:nowrap;
  }
  .btn-sm{height:38px;padding:0 16px;font-size:14px;}
  .btn-primary{background:var(--primary);color:#fff;box-shadow:0 6px 18px rgba(33,88,232,.24);}
  .btn-primary:hover{background:var(--primary-hover);color:#fff;transform:translateY(-1px);box-shadow:0 10px 24px rgba(33,88,232,.28);}
  .btn-primary:active{transform:scale(.99);}
  .btn-ghost{background:#fff;border-color:rgba(33,88,232,.55);color:var(--primary);}
  .btn-ghost:hover{background:var(--primary-soft);border-color:var(--primary);transform:translateY(-1px);}
  .btn-ghost:active{transform:scale(.99);}
  .btn-block{width:100%;}

  .hamburger{
    width:42px;height:42px;border-radius:12px;border:1px solid var(--line);background:#fff;
    display:grid;place-items:center;color:var(--ink);
  }
  .hamburger:hover{border-color:#C9D8FF;color:var(--primary);}
  .drawer{
    position:fixed;inset:0;z-index:80;background:#fff;transform:translateX(100%);
    transition:transform 240ms ease-out;display:flex;flex-direction:column;padding:20px;overflow-y:auto;
  }
  .drawer.is-open{transform:translateX(0);}
  .drawer-head{display:flex;align-items:center;justify-content:space-between;margin-bottom:20px;}
  .drawer nav{display:flex;flex-direction:column;gap:4px;margin-top:8px;}
  .drawer nav a{padding:11px 12px;border-radius:12px;font-size:16px;color:var(--body);line-height:44px;padding-top:0;padding-bottom:0;}
  .drawer nav a.active{background:var(--primary-soft);color:var(--primary);font-weight:600;}
  .drawer .drawer-foot{margin-top:auto;padding-top:24px;display:flex;flex-direction:column;gap:12px;}

  @media (min-width:1024px){
    .nav-links{display:flex;}
    .search-wrap{display:block;}
    .icon-btn{display:grid;}
    .hamburger{display:none;}
  }
  @media (max-width:1023px){
    .header-cta{display:none;}
  }

  /* ---------- 面包屑 ---------- */
  .breadcrumb{display:flex;align-items:center;gap:8px;font-size:13px;color:var(--muted);flex-wrap:wrap;}
  .breadcrumb a{color:var(--muted);}
  .breadcrumb a:hover{color:var(--primary);}
  .breadcrumb .sep{color:#C3CCDA;}
  .breadcrumb .current{color:var(--body);font-weight:600;}

  /* ---------- 分类头部 ---------- */
  .cat-hero{
    background:linear-gradient(180deg,#FFFFFF 0%, #F7FAFF 100%);
    border-bottom:1px solid var(--line);
    padding:28px 0 40px;
  }
  .cat-hero-grid{display:grid;gap:32px;align-items:center;}
  @media (min-width:1024px){
    .cat-hero-grid{grid-template-columns:1.45fr .95fr;gap:48px;}
  }
  .cat-hero h1{margin:18px 0 14px;}
  .cat-hero .lead{font-size:16px;color:var(--body);max-width:640px;}
  .hero-figure{
    position:relative;border-radius:var(--r-lg);overflow:hidden;border:1px solid var(--line);
    box-shadow:var(--sh2);aspect-ratio:16/10;background:#EAF0FF;
  }
  .hero-figure img{width:100%;height:100%;object-fit:cover;}
  .hero-figure figcaption{
    position:absolute;left:16px;bottom:16px;right:16px;background:rgba(255,255,255,.94);
    border-radius:14px;padding:12px 16px;font-size:13px;color:var(--body);box-shadow:var(--sh1);
  }
  .stat-bar{display:flex;flex-wrap:wrap;gap:12px;align-items:center;margin-top:24px;}
  .stat{
    background:#fff;border:1px solid var(--line);border-radius:14px;padding:10px 16px;
    display:flex;align-items:baseline;gap:8px;box-shadow:var(--sh1);
  }
  .stat b{font-size:20px;color:var(--ink);font-variant-numeric:tabular-nums;}
  .stat span{font-size:13px;color:var(--muted);}

  /* ---------- 筛选 ---------- */
  .filter-bar{display:flex;gap:10px;overflow-x:auto;padding-bottom:6px;}
  .chip{
    flex-shrink:0;height:38px;padding:0 18px;border-radius:999px;font-size:14px;font-weight:600;
    background:#fff;border:1px solid var(--line);color:var(--body);transition:var(--ease);
  }
  .chip:hover{border-color:#C9D8FF;color:var(--primary);}
  .chip.is-active{background:var(--primary);border-color:var(--primary);color:#fff;box-shadow:0 6px 16px rgba(33,88,232,.22);}
  .no-scrollbar{scrollbar-width:none;-ms-overflow-style:none;}
  .no-scrollbar::-webkit-scrollbar{display:none;}

  /* ---------- 时间轴 ---------- */
  .timeline{position:relative;padding-left:34px;}
  .timeline::before{
    content:"";position:absolute;left:9px;top:10px;bottom:14px;width:2px;background:var(--line);border-radius:2px;
  }
  .tl-item{position:relative;margin-bottom:24px;}
  .tl-item:last-child{margin-bottom:0;}
  .tl-item::before{
    content:"";position:absolute;left:-30px;top:22px;width:12px;height:12px;border-radius:50%;
    background:#fff;border:3px solid var(--primary);box-shadow:0 0 0 4px #fff;
  }
  .tl-item[data-type="activity"]::before{border-color:var(--second);}
  .tl-item[data-type="notice"]::before{border-color:var(--accent);}
  .tl-card{
    background:#fff;border:1px solid var(--line);border-radius:var(--r-card);
    padding:20px 22px;box-shadow:var(--sh1);transition:var(--ease);max-width:820px;
  }
  .tl-card:hover{transform:translateY(-3px);box-shadow:var(--sh2);}
  .tl-card h3{margin:12px 0 8px;font-size:19px;}
  .tl-card:hover h3{color:var(--primary);}
  .tl-card p{font-size:14.5px;line-height:1.8;color:var(--body);margin-bottom:12px;}
  .tl-meta{display:flex;flex-wrap:wrap;align-items:center;gap:10px;}
  .tl-date{
    display:inline-flex;align-items:center;gap:6px;font-size:13px;font-weight:600;color:var(--ink);
    background:var(--page);border:1px solid var(--line);border-radius:999px;padding:3px 12px;
    font-variant-numeric:tabular-nums;
  }
  .tag-row{display:flex;flex-wrap:wrap;gap:8px;}
  .tag{
    display:inline-flex;align-items:center;height:26px;padding:0 12px;border-radius:999px;
    font-size:12.5px;font-weight:600;background:var(--page);color:var(--body);border:1px solid var(--line);
  }
  .badge{
    display:inline-flex;align-items:center;height:24px;padding:0 10px;border-radius:999px;
    font-size:12px;font-weight:600;letter-spacing:.02em;
  }
  .badge-primary{background:var(--primary-soft);color:var(--primary);}
  .badge-second{background:var(--second-soft);color:#00857A;}
  .badge-accent{background:var(--accent-soft);color:#C2601B;}

  /* ---------- 排期表 ---------- */
  .schedule-card{
    background:#fff;border:1px solid var(--line);border-radius:var(--r-card);overflow:hidden;box-shadow:var(--sh1);
  }
  .schedule-scroll{overflow-x:auto;}
  table.schedule{width:100%;min-width:640px;border-collapse:collapse;font-size:14.5px;}
  table.schedule thead th{
    background:var(--page);color:var(--ink);font-weight:600;text-align:left;
    padding:14px 18px;font-size:13.5px;white-space:nowrap;border-bottom:1px solid var(--line);
  }
  table.schedule td{padding:15px 18px;border-bottom:1px solid var(--line);color:var(--body);vertical-align:middle;}
  table.schedule tbody tr:last-child td{border-bottom:0;}
  table.schedule tbody tr:hover{background:#FAFCFF;}
  .dot-live{display:inline-flex;align-items:center;gap:7px;font-weight:600;color:#00857A;font-size:13px;}
  .dot-live i{width:8px;height:8px;border-radius:50%;background:var(--second);display:inline-block;}
  .dot-soon{display:inline-flex;align-items:center;gap:7px;font-weight:600;color:var(--primary);font-size:13px;}
  .dot-soon i{width:8px;height:8px;border-radius:50%;background:var(--primary);display:inline-block;}

  /* ---------- 通用卡片 / 内链 ---------- */
  .grid-3{display:grid;gap:24px;grid-template-columns:1fr;}
  @media (min-width:640px){.grid-3{grid-template-columns:repeat(2,1fr);}}
  @media (min-width:1024px){.grid-3{grid-template-columns:repeat(3,1fr);}}
  .card{
    background:#fff;border:1px solid var(--line);border-radius:var(--r-card);padding:24px;
    box-shadow:var(--sh1);transition:var(--ease);display:flex;flex-direction:column;gap:10px;
  }
  .card:hover{transform:translateY(-3px);box-shadow:var(--sh2);}
  .card h3{font-size:17px;}
  .card:hover h3{color:var(--primary);}
  .card p{font-size:14px;color:var(--body);margin:0;}
  .card-thumb{border-radius:12px;overflow:hidden;aspect-ratio:16/9;border:1px solid var(--line);}
  .card-thumb img{width:100%;height:100%;object-fit:cover;transition:transform 400ms ease-out;}
  .card:hover .card-thumb img{transform:scale(1.04);}
  .card .card-link{margin-top:auto;font-size:13.5px;font-weight:600;color:var(--primary);display:inline-flex;gap:6px;align-items:center;}
  .card .card-link span{transition:transform var(--ease);}
  .card:hover .card-link span{transform:translateX(3px);}

  /* ---------- 信息条 ---------- */
  .info-strip{
    display:flex;flex-wrap:wrap;gap:20px;align-items:center;justify-content:space-between;
    background:var(--primary-soft);border-radius:var(--r-card);padding:22px 26px;
  }
  .info-strip .info-main{display:flex;align-items:center;gap:16px;flex:1 1 320px;}
  .info-strip h3{font-size:17px;}
  .info-strip p{font-size:14px;margin:2px 0 0;color:var(--body);}
  .count-block{display:flex;gap:10px;}
  .count-cell{
    background:#fff;border:1px solid #D8E2FA;border-radius:12px;padding:8px 14px;text-align:center;min-width:78px;
  }
  .count-cell b{display:block;font-size:20px;color:var(--primary);font-variant-numeric:tabular-nums;line-height:1.3;}
  .count-cell span{font-size:12px;color:var(--muted);}

  /* ---------- FAQ ---------- */
  .faq-wrap{background:#fff;border:1px solid var(--line);border-radius:var(--r-card);box-shadow:var(--sh1);overflow:hidden;}
  .faq-item{border-bottom:1px solid var(--line);position:relative;}
  .faq-item:last-child{border-bottom:0;}
  .faq-item::before{
    content:"";position:absolute;left:0;top:0;bottom:0;width:3px;background:var(--primary);
    transform:scaleY(0);transform-origin:top;transition:transform var(--ease);
  }
  .faq-item.is-open::before{transform:scaleY(1);}
  .faq-q{
    width:100%;display:flex;align-items:center;justify-content:space-between;gap:16px;
    padding:20px 24px;text-align:left;font-size:16px;font-weight:600;color:var(--ink);transition:var(--ease);
  }
  .faq-q:hover{color:var(--primary);}
  .faq-item.is-open .faq-q{color:var(--primary);}
  .faq-q i{flex-shrink:0;transition:transform var(--ease);color:var(--muted);display:inline-flex;}
  .faq-item.is-open .faq-q i{transform:rotate(180deg);color:var(--primary);}
  .faq-a{max-height:0;overflow:hidden;transition:max-height 280ms ease-out;}
  .faq-a p{padding:0 24px 20px;font-size:14.5px;color:var(--body);margin:0;}

  /* ---------- CTA ---------- */
  .cta-panel{
    background:var(--primary-soft);border-radius:var(--r-lg);
    padding:36px 28px;display:grid;gap:24px;align-items:center;
  }
  @media (min-width:1024px){
    .cta-panel{grid-template-columns:1.05fr .95fr;padding:48px 48px;gap:48px;}
  }
  .cta-panel h2{font-size:clamp(22px,2.4vw,30px);}
  .cta-panel p{font-size:15px;margin-top:10px;color:var(--body);}
  .form-row{display:flex;flex-direction:column;gap:12px;}
  @media (min-width:640px){.form-row{flex-direction:row;}}
  .field{flex:1;}
  .field label{display:block;font-size:13px;font-weight:600;color:var(--ink);margin-bottom:7px;}
  .field input{
    width:100%;height:44px;border-radius:var(--r-btn);border:1px solid #CFDBEE;background:#fff;
    padding:0 14px;font-size:14.5px;color:var(--ink);outline:none;transition:var(--ease);
  }
  .field input::placeholder{color:var(--muted);}
  .field input:focus{border-color:var(--primary);box-shadow:0 0 0 4px rgba(33,88,232,.14);}
  .form-note{font-size:12px;color:var(--muted);margin-top:12px;}

  /* ---------- 页脚 ---------- */
  .site-footer{background:var(--footer);color:#C6D0DE;margin-top:0;}
  .footer-grid{
    display:grid;gap:32px;padding:56px 0 40px;
    grid-template-columns:1fr;
  }
  @media (min-width:768px){.footer-grid{grid-template-columns:repeat(2,1fr);gap:40px;}}
  @media (min-width:1024px){.footer-grid{grid-template-columns:1.4fr 1fr 1fr 1.2fr;gap:40px;padding:72px 0 48px;}}
  .footer-brand{display:flex;align-items:center;gap:10px;margin-bottom:14px;}
  .footer-brand .logo-mark{box-shadow:none;background:#2158E8;}
  .footer-brand b{color:#fff;font-size:16.5px;}
  .footer-desc{font-size:13.5px;line-height:1.8;color:#94A3B8;margin:0 0 4px;max-width:340px;}
  .site-footer h4{color:#fff;font-size:14.5px;margin-bottom:16px;letter-spacing:.02em;}
  .site-footer a{color:#C6D0DE;font-size:14px;padding:5px 0;display:inline-block;}
  .site-footer a:hover{color:#fff;}
  .footer-form{display:flex;gap:10px;margin-top:14px;}
  .footer-form input{
    flex:1;min-width:0;height:38px;border-radius:var(--r-btn);border:1px solid #2A3A52;background:#16233A;
    color:#E6EDF7;padding:0 12px;font-size:14px;outline:none;transition:var(--ease);
  }
  .footer-form input::placeholder{color:#6B7C93;}
  .footer-form input:focus{border-color:var(--primary);box-shadow:0 0 0 4px rgba(33,88,232,.22);}
  .footer-bottom{
    border-top:1px solid #22314A;padding:20px 0 28px;display:flex;flex-wrap:wrap;gap:12px;
    align-items:center;justify-content:space-between;font-size:13px;color:#8899AD;
  }
  .footer-bottom a{font-size:13px;}

  @media (prefers-reduced-motion:reduce){
    *,*::before,*::after{transition:none !important;animation:none !important;scroll-behavior:auto !important;}
  }
  @media (max-width:768px){
    .timeline{padding-left:0;padding-top:6px;}
    .timeline::before{display:none;}
    .tl-item::before{display:none;}
    .tl-card{max-width:none;}
  }

/* roulang page: category4 */
:root{
    --primary:#2158E8;
    --primary-hover:#1A47C4;
    --primary-soft:#EAF0FF;
    --second:#00B8A9;
    --second-soft:#E3F8F6;
    --accent:#FF8A3D;
    --accent-soft:#FFF1E6;
    --ink:#0D1B2A;
    --body:#41526B;
    --muted:#8C99AC;
    --line:#E4EAF3;
    --page:#F5F8FC;
    --card:#FFFFFF;
    --foot:#0F1A2B;
    --success:#17A673;
    --radius-card:16px;
    --radius-hero:24px;
    --radius-btn:10px;
    --shadow-1:0 6px 24px rgba(13,27,42,.06);
    --shadow-2:0 14px 34px rgba(13,27,42,.10);
    --shadow-3:0 20px 48px rgba(13,27,42,.14);
    --ease:200ms ease-out;
  }
  *,*::before,*::after{box-sizing:border-box;}
  html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
  body{
    margin:0;
    font-family:'Inter','PingFang SC','HarmonyOS Sans SC','Microsoft YaHei',system-ui,sans-serif;
    font-size:16px;
    line-height:1.85;
    color:var(--body);
    background:var(--page);
    -webkit-font-smoothing:antialiased;
  }
  h1,h2,h3,h4,p,ul,ol,figure{margin:0;}
  h1,h2,h3,h4{color:var(--ink);font-weight:700;}
  h1{font-size:clamp(30px,4.4vw,52px);line-height:1.2;letter-spacing:-.01em;}
  h2{font-size:clamp(24px,2.6vw,34px);line-height:1.3;}
  h3{font-size:clamp(18px,1.6vw,21px);line-height:1.45;font-weight:600;}
  p{margin-top:0;margin-bottom:1.2em;}
  a{color:var(--primary);text-decoration:none;transition:color var(--ease),background-color var(--ease),border-color var(--ease);}
  a:hover{color:var(--primary-hover);}
  img{max-width:100%;display:block;border-radius:12px;}
  button{font-family:inherit;cursor:pointer;}
  input,button{font-size:inherit;}
  ::selection{background:var(--primary-soft);color:var(--primary-hover);}
  :focus-visible{outline:2px solid var(--primary);outline-offset:2px;border-radius:6px;}

  .container{width:100%;max-width:1200px;margin:0 auto;padding:0 20px;}
  @media (min-width:1024px){.container{padding:0 32px;}}
  .section{padding:56px 0;}
  @media (min-width:1024px){.section{padding:92px 0;}}
  .section-tight{padding:44px 0;}
  @media (min-width:1024px){.section-tight{padding:64px 0;}}
  .eyebrow{font-size:13px;letter-spacing:.08em;color:var(--muted);font-weight:600;text-transform:uppercase;}
  .lead{font-size:17px;color:var(--body);}
  .muted{color:var(--muted);font-size:14px;}
  .sr-only{position:absolute;width:1px;height:1px;overflow:hidden;clip:rect(0 0 0 0);white-space:nowrap;}
  .no-scrollbar{scrollbar-width:none;-ms-overflow-style:none;}
  .no-scrollbar::-webkit-scrollbar{display:none;}
  .line-clamp-2{display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;}
  .line-clamp-1{display:-webkit-box;-webkit-line-clamp:1;-webkit-box-orient:vertical;overflow:hidden;}

  /* 按钮 */
  .btn{
    display:inline-flex;align-items:center;justify-content:center;gap:8px;
    height:44px;padding:0 20px;border-radius:var(--radius-btn);
    font-weight:600;font-size:15px;border:1.5px solid transparent;
    transition:transform var(--ease),background-color var(--ease),color var(--ease),border-color var(--ease),box-shadow var(--ease);
    white-space:nowrap;
  }
  .btn-sm{height:38px;padding:0 16px;font-size:14px;}
  .btn-primary{background:var(--primary);color:#fff;box-shadow:0 6px 18px rgba(33,88,232,.22);}
  .btn-primary:hover{background:var(--primary-hover);color:#fff;transform:translateY(-1px);box-shadow:0 10px 24px rgba(33,88,232,.26);}
  .btn-primary:active{transform:scale(.99) translateY(0);}
  .btn-outline{background:#fff;color:var(--primary);border-color:var(--primary);}
  .btn-outline:hover{background:var(--primary-soft);color:var(--primary-hover);transform:translateY(-1px);}
  .btn-outline:active{transform:scale(.99);}
  .link-more{display:inline-flex;align-items:center;gap:6px;font-size:14px;font-weight:600;color:var(--primary);}
  .link-more svg{transition:transform var(--ease);}
  .link-more:hover svg{transform:translateX(3px);}

  /* 徽章 */
  .badge{
    display:inline-flex;align-items:center;gap:6px;height:24px;padding:0 10px;border-radius:999px;
    font-size:12px;font-weight:600;line-height:1;background:var(--primary-soft);color:var(--primary-hover);
  }
  .badge-second{background:var(--second-soft);color:#077F75;}
  .badge-accent{background:var(--accent-soft);color:#C05A16;}
  .badge-plain{background:#F1F4F9;color:var(--body);}

  /* 头部 */
  .site-header{
    position:sticky;top:0;z-index:60;height:68px;
    background:rgba(255,255,255,.92);
    backdrop-filter:blur(6px);-webkit-backdrop-filter:blur(6px);
    border-bottom:1px solid var(--line);
    transition:box-shadow var(--ease);
  }
  .site-header.is-scrolled{box-shadow:0 6px 22px rgba(13,27,42,.07);}
  .header-inner{height:68px;display:flex;align-items:center;gap:20px;}
  .logo{display:flex;align-items:center;gap:10px;color:var(--ink);flex-shrink:0;}
  .logo:hover{color:var(--ink);}
  .logo-mark{
    width:34px;height:34px;border-radius:10px;background:var(--primary);color:#fff;
    display:flex;align-items:center;justify-content:center;flex-shrink:0;
    box-shadow:0 6px 16px rgba(33,88,232,.24);
  }
  .logo-text{display:flex;align-items:center;gap:8px;}
  .logo-text b{font-size:17px;font-weight:700;letter-spacing:-.01em;color:var(--ink);}
  .logo-badge{
    display:none;font-size:11px;font-weight:600;color:var(--primary-hover);
    background:var(--primary-soft);border-radius:999px;padding:2px 8px;line-height:1.5;
  }
  @media (min-width:520px){.logo-badge{display:inline-block;}}
  .nav-links{display:none;align-items:center;gap:4px;margin-left:12px;}
  .nav-links a{
    position:relative;padding:8px 12px;border-radius:8px;font-size:14.5px;font-weight:500;color:var(--body);
  }
  .nav-links a::after{
    content:"";position:absolute;left:50%;bottom:2px;height:2px;width:0;background:var(--primary);
    transform:translateX(-50%);transition:width var(--ease);border-radius:2px;
  }
  .nav-links a:hover{color:var(--primary);}
  .nav-links a:hover::after{width:56%;}
  .nav-links a.active{background:var(--primary-soft);color:var(--primary-hover);font-weight:600;}
  @media (min-width:1024px){.nav-links{display:flex;}}
  .header-actions{margin-left:auto;display:flex;align-items:center;gap:10px;}
  .search-wrap{position:relative;display:none;}
  @media (min-width:1024px){.search-wrap{display:block;}}
  .search-box{
    display:flex;align-items:center;gap:8px;width:240px;height:40px;padding:0 10px;
    background:#F1F4F9;border:1.5px solid transparent;border-radius:12px;transition:all var(--ease);
  }
  .search-box:focus-within{background:#fff;border-color:var(--primary);box-shadow:0 0 0 4px rgba(33,88,232,.12);}
  .search-box svg{color:var(--muted);flex-shrink:0;}
  .search-box input{border:0;background:transparent;outline:none;width:100%;color:var(--ink);font-size:14px;}
  .kbd{
    font-size:11px;color:var(--muted);background:#fff;border:1px solid var(--line);
    border-radius:6px;padding:2px 6px;line-height:1.4;flex-shrink:0;
  }
  .search-panel{
    position:absolute;top:48px;left:0;width:340px;background:#fff;border:1px solid var(--line);
    border-radius:16px;box-shadow:var(--shadow-3);padding:10px;display:none;
  }
  .search-panel.open{display:block;}
  .search-panel h5{margin:6px 8px;font-size:12px;color:var(--muted);font-weight:600;letter-spacing:.04em;}
  .search-panel a{display:flex;align-items:center;justify-content:space-between;gap:10px;padding:9px 10px;border-radius:10px;color:var(--body);font-size:14px;}
  .search-panel a:hover{background:var(--primary-soft);color:var(--primary-hover);}
  .search-panel .empty{padding:14px 10px;font-size:13px;color:var(--muted);}
  .icon-btn{
    width:40px;height:40px;border-radius:12px;border:1px solid var(--line);background:#fff;color:var(--body);
    display:none;align-items:center;justify-content:center;transition:all var(--ease);
  }
  .icon-btn:hover{border-color:var(--primary);color:var(--primary);}
  @media (min-width:768px){.icon-btn{display:inline-flex;}}
  .burger{
    width:40px;height:40px;border-radius:12px;border:1px solid var(--line);background:#fff;color:var(--ink);
    display:inline-flex;align-items:center;justify-content:center;
  }
  @media (min-width:1024px){.burger{display:none;}}
  .drawer{
    position:fixed;inset:0;z-index:80;background:#fff;padding:22px 20px 32px;overflow-y:auto;
    transform:translateX(100%);transition:transform 240ms ease-out;
  }
  .drawer.open{transform:translateX(0);}
  .drawer-head{display:flex;align-items:center;justify-content:space-between;margin-bottom:20px;}
  .drawer a.d-link{display:block;line-height:44px;padding:0 12px;border-radius:10px;color:var(--body);font-weight:500;}
  .drawer a.d-link:hover{background:var(--page);color:var(--primary);}
  .drawer a.d-link.active{background:var(--primary-soft);color:var(--primary-hover);font-weight:600;}

  /* 面包屑 */
  .breadcrumb{display:flex;flex-wrap:wrap;align-items:center;gap:8px;font-size:13px;color:var(--muted);padding-top:22px;}
  .breadcrumb a{color:var(--muted);}
  .breadcrumb a:hover{color:var(--primary);}
  .breadcrumb .sep{color:#C6D0DE;}
  .breadcrumb .current{color:var(--body);font-weight:500;}

  /* 分类头 */
  .cat-head{
    background:#fff;border:1px solid var(--line);border-radius:var(--radius-hero);
    box-shadow:var(--shadow-1);padding:28px 24px;margin-top:18px;
  }
  @media (min-width:1024px){.cat-head{padding:40px 44px;}}
  .cat-head h1{margin-bottom:14px;}
  .cat-head .desc{font-size:16px;color:var(--body);max-width:820px;}
  .stat-bar{display:flex;flex-wrap:wrap;align-items:center;gap:10px;margin-top:20px;padding-top:18px;border-top:1px solid var(--line);}
  .chip{
    display:inline-flex;align-items:center;gap:6px;height:30px;padding:0 12px;border-radius:999px;
    font-size:13px;font-weight:500;background:var(--page);color:var(--body);border:1px solid var(--line);
  }
  .chip strong{color:var(--ink);font-weight:700;font-variant-numeric:tabular-nums;}

  /* 评测卡 */
  .review-grid{display:grid;grid-template-columns:1fr;gap:24px;}
  @media (min-width:768px){.review-grid{grid-template-columns:1fr 1fr;}}
  .review-card{
    background:var(--card);border:1px solid var(--line);border-radius:var(--radius-card);
    box-shadow:var(--shadow-1);overflow:hidden;transition:transform var(--ease),box-shadow var(--ease);
    display:flex;flex-direction:column;
  }
  .review-card:hover{transform:translateY(-3px);box-shadow:var(--shadow-2);}
  .review-media{position:relative;aspect-ratio:16/9;overflow:hidden;background:#EEF2F8;}
  .review-media img{width:100%;height:100%;object-fit:cover;border-radius:0;transition:transform 400ms ease-out;}
  .review-card:hover .review-media img{transform:scale(1.04);}
  .review-media .tag-left{position:absolute;top:12px;left:12px;}
  .review-media .tag-right{position:absolute;top:12px;right:12px;}
  .review-body{padding:22px 22px 24px;display:flex;flex-direction:column;flex:1;}
  .review-title{font-size:20px;font-weight:700;color:var(--ink);margin-bottom:8px;}
  .review-card:hover .review-title{color:var(--primary);}
  .review-summary{font-size:14.5px;color:var(--body);margin-bottom:18px;}
  .score-list{display:flex;flex-direction:column;gap:12px;margin-bottom:18px;}
  .score-row{display:grid;grid-template-columns:78px 1fr 44px;align-items:center;gap:12px;}
  .score-label{font-size:13px;color:var(--muted);}
  .score-track{height:8px;border-radius:999px;background:#EDF1F7;overflow:hidden;}
  .score-fill{display:block;height:100%;border-radius:999px;background:var(--second);}
  .score-fill.warm{background:var(--accent);}
  .score-num{font-size:14px;font-weight:700;color:var(--ink);text-align:right;font-variant-numeric:tabular-nums;}
  .review-foot{margin-top:auto;display:flex;align-items:center;justify-content:space-between;gap:12px;padding-top:16px;border-top:1px solid var(--line);}
  .overall{display:flex;align-items:baseline;gap:6px;}
  .overall b{font-size:28px;color:var(--primary);font-variant-numeric:tabular-nums;line-height:1;}
  .overall span{font-size:12px;color:var(--muted);}

  /* 对比表 */
  .table-card{
    background:var(--card);border:1px solid var(--line);border-radius:var(--radius-card);
    box-shadow:var(--shadow-1);overflow:hidden;
  }
  .table-scroll{overflow-x:auto;}
  table.compare{width:100%;min-width:760px;border-collapse:collapse;font-size:14.5px;}
  table.compare thead th{
    background:#F3F6FB;color:var(--ink);font-weight:600;text-align:left;
    padding:14px 18px;border-bottom:1px solid var(--line);white-space:nowrap;font-size:14px;
  }
  table.compare tbody td{padding:15px 18px;border-bottom:1px solid var(--line);color:var(--body);}
  table.compare tbody tr:last-child td{border-bottom:0;}
  table.compare tbody tr:hover{background:var(--page);}
  table.compare .name{color:var(--ink);font-weight:600;}
  .dot{display:inline-block;width:8px;height:8px;border-radius:50%;background:var(--second);margin-right:7px;vertical-align:middle;}
  .dot.warn{background:var(--accent);}
  .dot.gray{background:#C6D0DE;}

  /* 社区列表 */
  .topic-list{display:flex;flex-direction:column;border-top:1px solid var(--line);}
  .topic-item{
    display:flex;gap:18px;align-items:flex-start;padding:20px 4px;border-bottom:1px solid var(--line);
    transition:background-color var(--ease);
  }
  .topic-item:hover{background:var(--page);}
  .topic-thumb{width:120px;height:76px;flex-shrink:0;border-radius:12px;overflow:hidden;background:#EEF2F8;}
  .topic-thumb img{width:100%;height:100%;object-fit:cover;border-radius:12px;transition:transform 400ms ease-out;}
  .topic-item:hover .topic-thumb img{transform:scale(1.04);}
  .topic-main{flex:1;min-width:0;}
  .topic-main h3{font-size:17px;margin:6px 0 6px;}
  .topic-item:hover .topic-main h3{color:var(--primary);}
  .topic-main p{font-size:14px;color:var(--body);margin-bottom:8px;}
  .topic-meta{font-size:13px;color:var(--muted);}
  .arrow{color:#C6D0DE;transition:transform var(--ease),color var(--ease);flex-shrink:0;margin-top:12px;}
  .topic-item:hover .arrow{color:var(--primary);transform:translateX(3px);}
  @media (max-width:640px){
    .topic-item{gap:12px;}
    .topic-thumb{width:96px;height:64px;}
  }

  /* FAQ */
  .faq-wrap{border:1px solid var(--line);border-radius:var(--radius-card);background:#fff;box-shadow:var(--shadow-1);overflow:hidden;}
  .faq-item{border-bottom:1px solid var(--line);position:relative;}
  .faq-item:last-child{border-bottom:0;}
  .faq-item::before{
    content:"";position:absolute;left:0;top:0;bottom:0;width:3px;background:var(--primary);
    opacity:0;transition:opacity var(--ease);
  }
  .faq-item.open::before{opacity:1;}
  .faq-q{
    width:100%;background:transparent;border:0;text-align:left;padding:20px 22px;
    display:flex;align-items:center;justify-content:space-between;gap:16px;
    font-size:16.5px;font-weight:600;color:var(--ink);transition:color var(--ease);
  }
  .faq-item.open .faq-q{color:var(--primary);}
  .faq-q .chev{transition:transform var(--ease);color:var(--muted);flex-shrink:0;}
  .faq-item.open .chev{transform:rotate(180deg);color:var(--primary);}
  .faq-a{max-height:0;overflow:hidden;transition:max-height 260ms ease-out;}
  .faq-a-inner{padding:0 22px 22px;font-size:15px;color:var(--body);}

  /* 内链卡组 */
  .link-cards{display:grid;grid-template-columns:1fr;gap:20px;}
  @media (min-width:640px){.link-cards{grid-template-columns:1fr 1fr;}}
  @media (min-width:1024px){.link-cards{grid-template-columns:repeat(4,1fr);}}
  .link-card{
    display:block;background:#fff;border:1px solid var(--line);border-radius:var(--radius-card);
    padding:20px;box-shadow:var(--shadow-1);color:var(--body);
    transition:transform var(--ease),box-shadow var(--ease),border-color var(--ease);
  }
  .link-card:hover{transform:translateY(-3px);box-shadow:var(--shadow-2);border-color:#D3DEEE;color:var(--body);}
  .link-card h3{font-size:16.5px;margin:12px 0 8px;}
  .link-card:hover h3{color:var(--primary);}
  .link-card p{font-size:13.5px;color:var(--muted);margin-bottom:14px;}

  /* CTA */
  .cta-panel{
    background:var(--primary-soft);border-radius:var(--radius-hero);padding:36px 24px;
    display:grid;grid-template-columns:1fr;gap:26px;
  }
  @media (min-width:1024px){.cta-panel{padding:52px 56px;grid-template-columns:1.05fr .95fr;align-items:center;gap:48px;}}
  .cta-form{display:grid;grid-template-columns:1fr;gap:12px;}
  @media (min-width:520px){.cta-form{grid-template-columns:1fr auto;}}
  .cta-form input{
    height:44px;width:100%;border-radius:var(--radius-btn);border:1.5px solid #CFDCF7;background:#fff;
    padding:0 14px;color:var(--ink);outline:none;transition:all var(--ease);
  }
  .cta-form input::placeholder{color:var(--muted);}
  .cta-form input:focus{border-color:var(--primary);box-shadow:0 0 0 4px rgba(33,88,232,.14);}
  .cta-form input.error{border-color:#E4573D;box-shadow:0 0 0 4px rgba(228,87,61,.12);}
  .form-hint{font-size:12.5px;color:var(--muted);grid-column:1/-1;}
  .err-text{font-size:12px;color:#E4573D;grid-column:1/-1;display:none;}
  .err-text.show{display:block;}

  /* 页脚 */
  .site-footer{background:var(--foot);color:#B9C4D6;padding:56px 0 26px;margin-top:8px;}
  .footer-grid{display:grid;grid-template-columns:1fr;gap:36px;}
  @media (min-width:768px){.footer-grid{grid-template-columns:1fr 1fr;}}
  @media (min-width:1024px){.footer-grid{grid-template-columns:1.4fr .8fr .8fr 1.2fr;gap:40px;}}
  .footer-brand{display:flex;align-items:center;gap:10px;color:#fff;margin-bottom:14px;}
  .footer-brand b{font-size:16px;font-weight:700;color:#fff;}
  .site-footer h4{color:#fff;font-size:15px;margin-bottom:14px;font-weight:600;}
  .footer-desc{font-size:13.5px;line-height:1.9;color:#93A2B8;margin-bottom:0;}
  .site-footer a{color:#C4CFE0;font-size:14px;line-height:2;}
  .site-footer a:hover{color:#fff;}
  .footer-form{display:grid;grid-template-columns:1fr auto;gap:10px;margin-top:14px;}
  .footer-form input{
    height:40px;border-radius:10px;border:1px solid #2A3A55;background:#16233A;color:#fff;padding:0 12px;outline:none;
    min-width:0;
  }
  .footer-form input::placeholder{color:#7C8CA6;}
  .footer-form input:focus{border-color:var(--primary);box-shadow:0 0 0 3px rgba(33,88,232,.28);}
  .footer-bottom{
    margin-top:40px;padding-top:20px;border-top:1px solid #22304A;
    display:flex;flex-wrap:wrap;gap:10px;justify-content:space-between;font-size:13px;color:#8C9BB3;
  }
  .footer-bottom a{font-size:13px;}

  @media (prefers-reduced-motion:reduce){
    *{transition:none !important;animation:none !important;scroll-behavior:auto !important;}
  }