/* roulang page: index */
:root{
    --bg:#0A0C10;
    --bg-1:#11151B;
    --bg-2:#171C24;
    --primary:#12E29A;
    --primary-ink:#04231A;
    --accent:#FF5C7A;
    --gold:#FFC24B;
    --text-1:#F2F6F8;
    --text-2:#A8B3BE;
    --text-3:#6C7784;
    --line:rgba(255,255,255,.08);
    --line-hover:rgba(18,226,154,.45);
    --paper:#F6F5F1;
    --paper-ink:#1B1F24;
    --radius:14px;
    --radius-sm:12px;
    --shadow:0 10px 28px rgba(0,0,0,.45);
    --shadow-hover:0 18px 44px rgba(0,0,0,.6);
    --ease:cubic-bezier(.4,0,.2,1);
    --container:1280px;
  }
  *,*::before,*::after{box-sizing:border-box}
  html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
  body{
    margin:0;
    background:var(--bg);
    color:var(--text-1);
    font-family:system-ui,"PingFang SC","Microsoft YaHei","Noto Sans SC",sans-serif;
    font-size:16px;
    line-height:1.75;
    -webkit-font-smoothing:antialiased;
    overflow-x:hidden;
  }
  img{display:block;max-width:100%;height:auto}
  a{color:inherit;text-decoration:none}
  button,input,select{font:inherit;color:inherit}
  button{background:none;border:0;cursor:pointer}
  h1,h2,h3,h4,p{margin:0}
  ul{margin:0;padding:0;list-style:none}
  :focus-visible{outline:2px solid var(--primary);outline-offset:2px}

  .container{
    width:100%;
    max-width:var(--container);
    margin:0 auto;
    padding:0 16px;
  }
  @media (min-width:640px){.container{padding:0 24px}}
  @media (min-width:1024px){.container{padding:0 32px}}

  /* ---------- header ---------- */
  .site-header{
    position:sticky;
    top:0;
    z-index:60;
    background:rgba(10,12,16,.82);
    backdrop-filter:blur(14px);
    -webkit-backdrop-filter:blur(14px);
    border-bottom:1px solid var(--line);
    transition:background .2s var(--ease);
  }
  .site-header.is-scrolled{background:rgba(10,12,16,.96)}
  .header-inner{
    display:flex;
    align-items:center;
    gap:14px;
    min-height:68px;
  }
  .logo{
    display:flex;
    align-items:center;
    gap:9px;
    flex:0 0 auto;
  }
  .logo-mark{
    width:34px;height:34px;
    display:grid;place-items:center;
    border-radius:10px;
    background:linear-gradient(140deg,var(--primary),#0B9E6C);
    color:var(--primary-ink);
    font-weight:800;
    font-size:14px;
    letter-spacing:-.02em;
  }
  .logo-text{
    font-size:16px;
    font-weight:700;
    letter-spacing:-.01em;
    white-space:nowrap;
  }
  .logo-text small{
    display:block;
    font-size:10px;
    font-weight:500;
    color:var(--text-3);
    letter-spacing:.14em;
    line-height:1.2;
  }
  .nav-main{
    display:none;
    align-items:center;
    gap:2px;
    margin-left:6px;
  }
  .nav-link{
    position:relative;
    padding:8px 12px;
    border-radius:9px;
    font-size:14px;
    color:var(--text-2);
    white-space:nowrap;
    transition:color .2s var(--ease),background .2s var(--ease);
  }
  .nav-link:hover{color:var(--text-1);background:rgba(255,255,255,.05)}
  .nav-link.is-active{color:var(--primary)}
  .nav-link.is-active::after{
    content:"";
    position:absolute;
    left:12px;right:12px;bottom:2px;
    height:2px;
    border-radius:2px;
    background:var(--primary);
  }
  .search-box{
    display:none;
    flex:1 1 auto;
    max-width:440px;
    position:relative;
    align-items:center;
    background:var(--bg-2);
    border:1px solid var(--line);
    border-radius:12px;
    padding:0 10px 0 12px;
    height:42px;
    transition:border-color .2s var(--ease),box-shadow .2s var(--ease);
  }
  .search-box:focus-within{
    border-color:var(--primary);
    box-shadow:0 0 0 4px rgba(18,226,154,.14);
  }
  .search-box svg{flex:0 0 auto;color:var(--text-3)}
  .search-box input{
    flex:1 1 auto;
    min-width:0;
    background:none;
    border:0;
    outline:none;
    font-size:14px;
    padding:0 8px;
  }
  .search-box input::placeholder{color:var(--text-3)}
  .search-hot{
    flex:0 0 auto;
    font-size:12px;
    color:var(--gold);
    border:1px solid rgba(255,194,75,.35);
    border-radius:999px;
    padding:2px 9px;
    white-space:nowrap;
  }
  .header-actions{
    display:flex;
    align-items:center;
    gap:8px;
    margin-left:auto;
    flex:0 0 auto;
  }
  .burger{
    width:40px;height:40px;
    display:grid;place-items:center;
    border:1px solid var(--line);
    border-radius:10px;
    color:var(--text-2);
    transition:border-color .2s var(--ease),color .2s var(--ease);
  }
  .burger:hover{border-color:var(--line-hover);color:var(--text-1)}
  .mobile-panel{
    display:none;
    border-top:1px solid var(--line);
    background:var(--bg-1);
    padding:14px 0 18px;
  }
  .mobile-panel.is-open{display:block}
  .mobile-panel .container{display:flex;flex-direction:column;gap:10px}
  .mobile-link{
    display:flex;
    align-items:center;
    justify-content:space-between;
    padding:12px 14px;
    border:1px solid var(--line);
    border-radius:12px;
    font-size:15px;
    color:var(--text-2);
    transition:border-color .2s var(--ease),color .2s var(--ease),background .2s var(--ease);
  }
  .mobile-link:hover,.mobile-link.is-active{
    color:var(--primary);
    border-color:var(--line-hover);
    background:rgba(18,226,154,.06);
  }
  .mobile-search{
    display:flex;
    align-items:center;
    gap:8px;
    height:44px;
    padding:0 12px;
    border:1px solid var(--line);
    border-radius:12px;
    background:var(--bg-2);
  }
  .mobile-search input{
    flex:1;min-width:0;background:none;border:0;outline:none;font-size:14px;
  }
  @media (min-width:1024px){
    .nav-main{display:flex}
    .search-box{display:flex}
    .burger{display:none}
    .mobile-panel{display:none !important}
  }

  /* ---------- buttons ---------- */
  .btn{
    display:inline-flex;
    align-items:center;
    justify-content:center;
    gap:8px;
    height:44px;
    padding:0 20px;
    border-radius:11px;
    font-size:15px;
    font-weight:600;
    white-space:nowrap;
    cursor:pointer;
    transition:transform .2s var(--ease),box-shadow .2s var(--ease),
               background .2s var(--ease),border-color .2s var(--ease),color .2s var(--ease);
  }
  .btn-sm{height:38px;padding:0 16px;font-size:14px;border-radius:10px}
  .btn-primary{
    background:var(--primary);
    color:var(--primary-ink);
    box-shadow:0 8px 22px rgba(18,226,154,.22);
  }
  .btn-primary:hover{background:#20F0A8;box-shadow:0 0 0 4px rgba(18,226,154,.16),0 10px 26px rgba(18,226,154,.28)}
  .btn-primary:active{transform:translateY(1px);box-shadow:none}
  .btn-ghost{
    background:transparent;
    border:1px solid var(--line);
    color:var(--text-1);
  }
  .btn-ghost:hover{border-color:var(--line-hover);background:rgba(18,226,154,.08)}
  .btn-ghost:active{transform:translateY(1px)}
  .btn-text{
    display:inline-flex;
    align-items:center;
    gap:6px;
    color:var(--primary);
    font-size:14px;
    font-weight:600;
    position:relative;
    padding-bottom:2px;
  }
  .btn-text svg{transition:transform .2s var(--ease)}
  .btn-text::after{
    content:"";
    position:absolute;
    left:0;bottom:0;
    height:1px;width:0;
    background:var(--primary);
    transition:width .2s var(--ease);
  }
  .btn-text:hover::after{width:100%}
  .btn-text:hover svg{transform:translateX(3px)}

  /* ---------- hero ---------- */
  .hero{
    position:relative;
    min-height:58vh;
    display:flex;
    align-items:center;
    overflow:hidden;
    border-bottom:1px solid var(--line);
  }
  .hero-media{position:absolute;inset:0;z-index:0}
  .hero-media img{
    width:100%;height:100%;
    object-fit:cover;
    object-position:center 35%;
    filter:saturate(1.05);
  }
  .hero-media::after{
    content:"";
    position:absolute;inset:0;
    background:
      linear-gradient(90deg,rgba(10,12,16,.94) 0%,rgba(10,12,16,.78) 42%,rgba(10,12,16,.18) 100%),
      linear-gradient(0deg,rgba(10,12,16,.96) 0%,rgba(10,12,16,0) 46%);
  }
  .hero-inner{
    position:relative;
    z-index:1;
    padding-top:56px;
    padding-bottom:64px;
    width:100%;
  }
  .hero-copy{max-width:560px}
  .eyebrow{
    display:inline-flex;
    align-items:center;
    gap:8px;
    font-size:12px;
    letter-spacing:.14em;
    color:var(--primary);
    border:1px solid rgba(18,226,154,.32);
    background:rgba(18,226,154,.08);
    border-radius:999px;
    padding:5px 13px;
    margin-bottom:18px;
  }
  .hero h1{
    font-size:clamp(30px,4.6vw,54px);
    font-weight:800;
    letter-spacing:-.02em;
    line-height:1.18;
    margin-bottom:16px;
  }
  .hero h1 em{
    font-style:normal;
    color:var(--primary);
  }
  .hero-lead{
    font-size:15px;
    color:var(--text-2);
    max-width:52ch;
    margin-bottom:26px;
  }
  .hero-actions{display:flex;flex-wrap:wrap;gap:12px}
  .hero-note{
    display:flex;
    align-items:center;
    gap:8px;
    margin-top:24px;
    font-size:13px;
    color:var(--text-3);
  }
  .pulse-dot{
    width:7px;height:7px;border-radius:50%;
    background:var(--gold);
    box-shadow:0 0 0 4px rgba(255,194,75,.16);
    flex:0 0 auto;
  }
  @media (min-width:1024px){
    .hero{min-height:74vh}
    .hero-inner{padding-top:80px;padding-bottom:88px}
  }

  /* ---------- sections ---------- */
  .section{padding:56px 0}
  .section-tight{padding-top:40px}
  @media (min-width:768px){.section{padding:76px 0}.section-tight{padding-top:48px}}
  .section-head{
    display:flex;
    align-items:flex-end;
    justify-content:space-between;
    gap:16px;
    margin-bottom:26px;
  }
  .section-head h2{
    font-size:clamp(22px,2.6vw,32px);
    font-weight:700;
    letter-spacing:-.01em;
  }
  .section-head .sub{
    margin-top:8px;
    font-size:14px;
    color:var(--text-3);
  }
  .rail-wrap{position:relative}
  .rail{
    display:flex;
    gap:16px;
    overflow-x:auto;
    scroll-snap-type:x mandatory;
    padding-bottom:8px;
    scrollbar-width:none;
    -ms-overflow-style:none;
  }
  .rail::-webkit-scrollbar{display:none}
  .poster{
    flex:0 0 auto;
    width:140px;
    scroll-snap-align:start;
    position:relative;
    border-radius:var(--radius-sm);
    overflow:hidden;
    background:var(--bg-1);
    border:1px solid var(--line);
    transition:transform .2s var(--ease),border-color .2s var(--ease),box-shadow .2s var(--ease);
  }
  .poster:hover{transform:translateY(-2px);border-color:var(--line-hover);box-shadow:var(--shadow-hover)}
  .poster-fig{
    position:relative;
    aspect-ratio:2/3;
    background:var(--bg-2);
    overflow:hidden;
  }
  .poster-fig img{width:100%;height:100%;object-fit:cover}
  .poster-fig::after{
    content:"";
    position:absolute;inset:0;
    background:linear-gradient(to top,rgba(10,12,16,.94) 0%,rgba(10,12,16,.35) 42%,transparent 72%);
  }
  .poster-tag{
    position:absolute;
    top:8px;right:8px;
    z-index:2;
    font-size:11px;
    padding:3px 8px;
    border-radius:999px;
    background:rgba(255,92,122,.92);
    color:#2A0710;
    font-weight:700;
  }
  .poster-tag.is-gold{background:var(--gold);color:#2A1C00}
  .poster-body{
    position:absolute;
    left:0;right:0;bottom:0;
    z-index:2;
    padding:12px 12px 14px;
  }
  .poster-body h3{
    font-size:14px;
    font-weight:600;
    line-height:1.4;
    display:-webkit-box;
    -webkit-line-clamp:2;
    -webkit-box-orient:vertical;
    overflow:hidden;
  }
  .poster-body p{
    margin-top:5px;
    font-size:11.5px;
    color:var(--text-3);
    font-variant-numeric:tabular-nums;
  }
  @media (min-width:640px){.poster{width:168px}}
  @media (min-width:1024px){.poster{width:196px}}

  /* ---------- ranking ---------- */
  .rank-grid{
    display:grid;
    grid-template-columns:1fr;
    gap:20px;
  }
  @media (min-width:1024px){
    .rank-grid{grid-template-columns:3fr 2fr;align-items:stretch}
  }
  .panel{
    background:var(--bg-1);
    border:1px solid var(--line);
    border-radius:var(--radius);
    box-shadow:var(--shadow);
  }
  .rank-list{padding:6px 20px}
  .rank-row{
    display:flex;
    align-items:center;
    gap:16px;
    min-height:62px;
    padding:10px 0;
    border-bottom:1px solid var(--line);
    transition:background .2s var(--ease);
  }
  .rank-row:last-child{border-bottom:0}
  .rank-row:hover{background:rgba(255,255,255,.03)}
  .rank-no{
    flex:0 0 auto;
    width:40px;
    font-size:26px;
    font-weight:800;
    font-variant-numeric:tabular-nums;
    letter-spacing:-.03em;
    color:transparent;
    -webkit-text-stroke:1px var(--gold);
    opacity:.85;
    line-height:1;
  }
  .rank-meta{min-width:0}
  .rank-meta strong{
    display:block;
    font-size:15px;
    font-weight:600;
    white-space:nowrap;
    overflow:hidden;
    text-overflow:ellipsis;
  }
  .rank-meta span{
    display:block;
    margin-top:3px;
    font-size:12.5px;
    color:var(--text-3);
    font-variant-numeric:tabular-nums;
  }
  .rank-score{
    margin-left:auto;
    flex:0 0 auto;
    font-size:14px;
    font-weight:700;
    color:var(--gold);
    font-variant-numeric:tabular-nums;
  }
  .feature{
    position:relative;
    border-radius:var(--radius);
    overflow:hidden;
    border:1px solid var(--line);
    min-height:300px;
    display:flex;
    align-items:flex-end;
    box-shadow:var(--shadow);
  }
  .feature img{position:absolute;inset:0;width:100%;height:100%;object-fit:cover}
  .feature::after{
    content:"";
    position:absolute;inset:0;
    background:linear-gradient(to top,rgba(10,12,16,.96) 0%,rgba(10,12,16,.5) 46%,rgba(10,12,16,.05) 100%);
  }
  .feature-body{position:relative;z-index:2;padding:26px}
  .feature-body h3{
    font-size:20px;
    font-weight:700;
    margin-bottom:8px;
  }
  .feature-body p{
    font-size:13.5px;
    color:var(--text-2);
    margin-bottom:14px;
    max-width:40ch;
  }

  /* ---------- badges & chips ---------- */
  .badge{
    display:inline-flex;
    align-items:center;
    gap:6px;
    font-size:12px;
    font-weight:600;
    padding:3px 10px;
    border-radius:999px;
    border:1px solid rgba(18,226,154,.32);
    background:rgba(18,226,154,.09);
    color:var(--primary);
    white-space:nowrap;
  }
  .badge-coral{border-color:rgba(255,92,122,.34);background:rgba(255,92,122,.1);color:var(--accent)}
  .badge-gold{border-color:rgba(255,194,75,.34);background:rgba(255,194,75,.1);color:var(--gold)}
  .badge-mute{border-color:var(--line);background:rgba(255,255,255,.04);color:var(--text-3)}
  .chip{
    display:inline-flex;
    align-items:center;
    font-size:13px;
    padding:7px 15px;
    border-radius:999px;
    border:1px solid var(--line);
    background:var(--bg-2);
    color:var(--text-2);
    white-space:nowrap;
    transition:border-color .2s var(--ease),color .2s var(--ease),background .2s var(--ease);
  }
  .chip:hover{border-color:var(--line-hover);color:var(--text-1);background:rgba(18,226,154,.07)}
  .chip.is-on{border-color:rgba(18,226,154,.5);color:var(--primary);background:rgba(18,226,154,.1)}

  /* ---------- cms list ---------- */
  .news-grid{
    display:grid;
    grid-template-columns:1fr;
    gap:18px;
  }
  @media (min-width:640px){.news-grid{grid-template-columns:repeat(2,minmax(0,1fr))}}
  @media (min-width:1024px){.news-grid{grid-template-columns:repeat(3,minmax(0,1fr))}}
  .news-card{
    position:relative;
    display:flex;
    flex-direction:column;
    background:var(--bg-1);
    border:1px solid var(--line);
    border-radius:var(--radius);
    padding:22px 22px 18px;
    overflow:hidden;
    transition:transform .2s var(--ease),border-color .2s var(--ease),box-shadow .2s var(--ease);
  }
  .news-card::before{
    content:"";
    position:absolute;
    top:0;left:0;right:0;
    height:3px;
    background:linear-gradient(90deg,var(--primary),rgba(18,226,154,0));
  }
  .news-card:nth-child(3n+2)::before{background:linear-gradient(90deg,var(--accent),rgba(255,92,122,0))}
  .news-card:nth-child(3n+3)::before{background:linear-gradient(90deg,var(--gold),rgba(255,194,75,0))}
  .news-card:hover{transform:translateY(-2px);border-color:var(--line-hover);box-shadow:var(--shadow-hover)}
  .news-card h3{
    margin:12px 0 8px;
    font-size:17px;
    font-weight:600;
    line-height:1.45;
    display:-webkit-box;
    -webkit-line-clamp:2;
    -webkit-box-orient:vertical;
    overflow:hidden;
  }
  .news-card p{
    font-size:13.5px;
    color:var(--text-2);
    display:-webkit-box;
    -webkit-line-clamp:2;
    -webkit-box-orient:vertical;
    overflow:hidden;
    margin-bottom:16px;
  }
  .news-foot{
    margin-top:auto;
    display:flex;
    align-items:center;
    justify-content:space-between;
    gap:10px;
    padding-top:14px;
    border-top:1px solid var(--line);
    font-size:12.5px;
    color:var(--text-3);
    font-variant-numeric:tabular-nums;
  }
  .news-foot .go{color:var(--primary);font-weight:600;display:inline-flex;align-items:center;gap:5px}
  .empty-state{
    grid-column:1/-1;
    display:flex;
    flex-direction:column;
    align-items:center;
    gap:12px;
    padding:44px 20px;
    border:1px dashed var(--line);
    border-radius:var(--radius);
    background:rgba(255,255,255,.02);
    color:var(--text-3);
    font-size:14px;
    text-align:center;
  }

  /* ---------- category matrix ---------- */
  .cat-grid{
    display:grid;
    grid-template-columns:1fr;
    gap:18px;
  }
  @media (min-width:768px){
    .cat-grid{grid-template-columns:2fr 1fr;grid-template-rows:repeat(2,minmax(0,1fr))}
  }
  .cat-card{
    position:relative;
    display:flex;
    flex-direction:column;
    justify-content:flex-end;
    min-height:210px;
    padding:24px;
    border-radius:var(--radius);
    border:1px solid var(--line);
    overflow:hidden;
    background:var(--bg-1);
    transition:transform .2s var(--ease),border-color .2s var(--ease),box-shadow .2s var(--ease);
  }
  .cat-card:hover{transform:translateY(-2px);border-color:var(--line-hover);box-shadow:var(--shadow-hover)}
  .cat-card img{position:absolute;inset:0;width:100%;height:100%;object-fit:cover;opacity:.5}
  .cat-card::after{
    content:"";
    position:absolute;inset:0;
    background:linear-gradient(140deg,rgba(10,12,16,.94),rgba(10,12,16,.45));
  }
  .cat-card:nth-child(1)::after{background:linear-gradient(140deg,rgba(6,42,32,.95),rgba(10,12,16,.5))}
  .cat-card:nth-child(2)::after{background:linear-gradient(140deg,rgba(52,10,20,.93),rgba(10,12,16,.5))}
  .cat-card:nth-child(3)::after{background:linear-gradient(140deg,rgba(52,38,4,.93),rgba(10,12,16,.5))}
  .cat-body{position:relative;z-index:2}
  .cat-body h3{font-size:19px;font-weight:700;margin-bottom:6px}
  .cat-body p{font-size:13px;color:var(--text-2);max-width:36ch}
  .cat-foot{
    position:relative;z-index:2;
    margin-top:16px;
    display:flex;
    align-items:center;
    gap:10px;
    font-size:12.5px;
    color:var(--text-3);
    font-variant-numeric:tabular-nums;
  }
  .cat-foot .arrow{
    margin-left:auto;
    color:var(--primary);
    font-weight:700;
    transition:transform .2s var(--ease);
  }
  .cat-card:hover .cat-foot .arrow{transform:translateX(3px)}
  @media (min-width:768px){
    .cat-card:nth-child(1){grid-row:span 2;min-height:100%}
  }

  /* ---------- FAQ ---------- */
  .faq-list{border-top:1px solid var(--line)}
  .faq-item{border-bottom:1px solid var(--line)}
  .faq-item summary{
    display:flex;
    align-items:center;
    gap:16px;
    min-height:62px;
    padding:14px 4px;
    cursor:pointer;
    list-style:none;
    font-size:15.5px;
    font-weight:600;
    color:var(--text-1);
    transition:color .2s var(--ease);
  }
  .faq-item summary::-webkit-details-marker{display:none}
  .faq-item summary:hover{color:var(--primary)}
  .faq-sign{
    margin-left:auto;
    flex:0 0 auto;
    width:22px;height:22px;
    display:grid;place-items:center;
    color:var(--primary);
    font-size:18px;
    line-height:1;
  }
  .faq-item[open] .faq-sign{transform:rotate(45deg)}
  .faq-sign{transition:transform .2s var(--ease)}
  .faq-body{
    padding:0 4px 20px;
    font-size:14.5px;
    color:var(--text-2);
    max-width:78ch;
  }

  /* ---------- subscribe CTA ---------- */
  .cta-band{
    position:relative;
    overflow:hidden;
    border-top:1px solid var(--line);
    border-bottom:1px solid var(--line);
    background:
      linear-gradient(120deg,rgba(18,226,154,.09),rgba(18,226,154,.02) 60%),
      var(--bg-1);
  }
  .cta-band::before{
    content:"";
    position:absolute;inset:0;
    background-image:
      linear-gradient(rgba(255,255,255,.045) 1px,transparent 1px),
      linear-gradient(90deg,rgba(255,255,255,.045) 1px,transparent 1px);
    background-size:44px 44px;
    mask-image:linear-gradient(90deg,rgba(0,0,0,.9),transparent 85%);
    -webkit-mask-image:linear-gradient(90deg,rgba(0,0,0,.9),transparent 85%);
    pointer-events:none;
  }
  .cta-inner{
    position:relative;
    display:grid;
    grid-template-columns:1fr;
    gap:26px;
    align-items:center;
    padding:52px 0;
  }
  @media (min-width:1024px){
    .cta-inner{grid-template-columns:1fr 1fr;gap:48px;padding:64px 0}
  }
  .cta-inner h2{font-size:clamp(22px,2.6vw,30px);font-weight:700;letter-spacing:-.01em;margin-bottom:12px}
  .cta-inner p{font-size:14.5px;color:var(--text-2);max-width:46ch}
  .sub-form{display:flex;flex-direction:column;gap:12px}
  .sub-field{
    display:flex;
    align-items:center;
    gap:10px;
    background:var(--bg);
    border:1px solid var(--line);
    border-radius:12px;
    padding:0 14px;
    height:50px;
    transition:border-color .2s var(--ease),box-shadow .2s var(--ease);
  }
  .sub-field:focus-within{border-color:var(--primary);box-shadow:0 0 0 4px rgba(18,226,154,.14)}
  .sub-field svg{color:var(--text-3);flex:0 0 auto}
  .sub-field input{flex:1;min-width:0;background:none;border:0;outline:none;font-size:15px}
  .sub-field input::placeholder{color:var(--text-3)}
  .sub-row{display:flex;gap:10px;flex-wrap:wrap}
  .sub-row .btn{flex:1 1 auto}
  .form-hint{font-size:12.5px;color:var(--text-3)}

  /* ---------- footer ---------- */
  .site-footer{
    background:var(--bg);
    border-top:1px solid var(--line);
    padding:52px 0 26px;
  }
  .foot-grid{
    display:grid;
    grid-template-columns:1fr;
    gap:34px;
  }
  @media (min-width:768px){.foot-grid{grid-template-columns:2fr 1fr 1fr 1fr}}
  .foot-brand p{
    margin:14px 0 18px;
    font-size:13.5px;
    color:var(--text-3);
    max-width:38ch;
  }
  .foot-search{
    display:flex;
    align-items:center;
    gap:8px;
    max-width:280px;
    height:42px;
    padding:0 12px;
    background:var(--bg-1);
    border:1px solid var(--line);
    border-radius:11px;
    transition:border-color .2s var(--ease);
  }
  .foot-search:focus-within{border-color:var(--primary)}
  .foot-search input{flex:1;min-width:0;background:none;border:0;outline:none;font-size:13.5px}
  .foot-col h4{
    font-size:13px;
    letter-spacing:.1em;
    color:var(--text-3);
    font-weight:600;
    margin-bottom:16px;
  }
  .foot-col li + li{margin-top:11px}
  .foot-col a{
    font-size:14px;
    color:var(--text-2);
    transition:color .2s var(--ease);
  }
  .foot-col a:hover{color:var(--primary)}
  .foot-bottom{
    margin-top:40px;
    padding-top:20px;
    border-top:1px solid var(--line);
    display:flex;
    flex-wrap:wrap;
    gap:10px 24px;
    align-items:center;
    justify-content:space-between;
    font-size:12.5px;
    color:var(--text-3);
  }
  .foot-bottom nav{display:flex;flex-wrap:wrap;gap:18px}
  .foot-bottom a{color:var(--text-3);transition:color .2s var(--ease)}
  .foot-bottom a:hover{color:var(--text-1)}

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

/* roulang page: article */
:root{
  --bg:#0A0C10;
  --bg-elev-1:#11151B;
  --bg-elev-2:#171C24;
  --paper:#F6F5F1;
  --primary:#12E29A;
  --primary-ink:#04231A;
  --accent:#FF5C7A;
  --gold:#FFC24B;
  --text-1:#F2F6F8;
  --text-2:#A8B3BE;
  --text-3:#6C7784;
  --ink-1:#0E1319;
  --ink-2:#2A333B;
  --ink-3:#6C7784;
  --line:rgba(255,255,255,.08);
  --line-strong:rgba(255,255,255,.14);
  --line-hover:rgba(18,226,154,.45);
  --r-sm:10px;
  --r-md:14px;
  --r-lg:18px;
  --shadow-1:0 10px 28px rgba(0,0,0,.45);
  --shadow-2:0 18px 44px rgba(0,0,0,.6);
  --ease:cubic-bezier(.4,0,.2,1);
  --font:system-ui,"PingFang SC","Microsoft YaHei","Noto Sans SC",sans-serif;
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
img{display:block;max-width:100%;height:auto}
a{color:inherit;text-decoration:none}
button,input{font:inherit;color:inherit}
ul,ol{margin:0;padding:0;list-style:none}
.site-body{
  margin:0;
  font-family:var(--font);
  font-size:16px;
  line-height:1.75;
  color:var(--text-2);
  background:var(--bg);
  background-image:
    radial-gradient(900px 520px at 12% -8%, rgba(18,226,154,.09), transparent 70%),
    radial-gradient(760px 480px at 92% 4%, rgba(255,92,122,.07), transparent 72%);
  background-attachment:fixed;
  overflow-x:hidden;
  -webkit-font-smoothing:antialiased;
}
.site-body.is-locked{overflow:hidden}
h1,h2,h3,h4{font-family:var(--font);color:var(--text-1)}
:focus-visible{outline:2px solid var(--primary);outline-offset:2px;border-radius:6px}
.container{width:100%;max-width:1280px;margin:0 auto;padding:0 16px}
@media(min-width:640px){.container{padding:0 24px}}
@media(min-width:1024px){.container{padding:0 32px}}
.section{padding:56px 0}
@media(min-width:768px){.section{padding:80px 0}}
.section-head{display:flex;flex-wrap:wrap;align-items:flex-end;justify-content:space-between;gap:14px;margin-bottom:26px}
.section-title{font-size:clamp(22px,2.6vw,32px);font-weight:700;letter-spacing:-.01em;margin:0}
.section-sub{margin:6px 0 0;font-size:14px;color:var(--text-3)}

/* ---------- Header ---------- */
.site-header{position:sticky;top:0;z-index:60;background:rgba(10,12,16,.78);backdrop-filter:blur(14px);-webkit-backdrop-filter:blur(14px);border-bottom:1px solid var(--line);transition:background .22s var(--ease),box-shadow .22s var(--ease)}
.site-header.is-scrolled{background:rgba(8,10,13,.94);box-shadow:0 12px 30px rgba(0,0,0,.45)}
.header-inner{display:flex;align-items:center;gap:16px;min-height:72px}
.logo{display:flex;align-items:center;gap:10px;flex-shrink:0}
.logo-mark{display:grid;place-items:center;width:38px;height:38px;border-radius:11px;background:linear-gradient(140deg,var(--primary),#0BB27A);color:var(--primary-ink);font-weight:800;font-size:16px;letter-spacing:-.03em}
.logo-text{display:flex;flex-direction:column;line-height:1.15;font-weight:800;font-size:16px;color:var(--text-1);letter-spacing:-.01em}
.logo-text small{font-size:10px;letter-spacing:.2em;font-weight:600;color:var(--text-3);margin-top:3px}
.nav-search{display:none;flex:1 1 auto;max-width:440px;align-items:center;gap:8px;height:44px;padding:0 8px 0 14px;border:1px solid var(--line);border-radius:999px;background:rgba(23,28,36,.85);transition:border-color .2s var(--ease),box-shadow .2s var(--ease)}
.nav-search:focus-within{border-color:var(--line-hover);box-shadow:0 0 0 4px rgba(18,226,154,.14)}
.nav-search input{flex:1;min-width:0;border:0;background:transparent;outline:none;font-size:14px;color:var(--text-1)}
.nav-search input::placeholder{color:var(--text-3)}
.nav-search .search-go{display:grid;place-items:center;width:32px;height:32px;border-radius:999px;background:var(--primary);color:var(--primary-ink);border:0;cursor:pointer;transition:filter .2s var(--ease),transform .15s var(--ease)}
.nav-search .search-go:hover{filter:brightness(1.08)}
.nav-search .search-go:active{transform:translateY(1px)}
.nav-main{display:none;align-items:center;gap:4px;margin-left:auto}
.nav-link{position:relative;padding:9px 12px;border-radius:var(--r-sm);font-size:14.5px;font-weight:600;color:var(--text-2);transition:color .18s var(--ease),background .18s var(--ease)}
.nav-link:hover{color:var(--text-1);background:rgba(255,255,255,.05)}
.nav-link.is-active{color:var(--primary)}
.nav-link.is-active::after{content:"";position:absolute;left:12px;right:12px;bottom:2px;height:2px;border-radius:2px;background:var(--primary)}
.header-cta{display:none}
.icon-btn{display:grid;place-items:center;width:42px;height:42px;border:1px solid var(--line);border-radius:12px;background:rgba(23,28,36,.7);color:var(--text-2);cursor:pointer;transition:border-color .2s var(--ease),color .2s var(--ease),background .2s var(--ease)}
.icon-btn:hover{border-color:var(--line-hover);color:var(--text-1);background:rgba(18,226,154,.08)}
.nav-toggle{display:grid;margin-left:auto}
.nav-toggle span{display:block;width:18px;height:2px;border-radius:2px;background:currentColor;position:relative;transition:transform .2s var(--ease),background .2s var(--ease)}
.nav-toggle span::before,.nav-toggle span::after{content:"";position:absolute;left:0;width:18px;height:2px;border-radius:2px;background:currentColor;transition:transform .2s var(--ease),top .2s var(--ease)}
.nav-toggle span::before{top:-6px}
.nav-toggle span::after{top:6px}
.nav-toggle.is-open span{background:transparent}
.nav-toggle.is-open span::before{top:0;transform:rotate(45deg)}
.nav-toggle.is-open span::after{top:0;transform:rotate(-45deg)}
.mobile-menu{position:fixed;inset:72px 0 auto 0;z-index:55;background:rgba(9,11,15,.98);border-bottom:1px solid var(--line);padding:18px 0 26px;transform:translateY(-12px);opacity:0;visibility:hidden;transition:opacity .22s var(--ease),transform .22s var(--ease),visibility .22s}
.mobile-menu.is-open{transform:translateY(0);opacity:1;visibility:visible}
.mobile-search{display:flex;align-items:center;gap:8px;height:46px;padding:0 8px 0 14px;border:1px solid var(--line);border-radius:999px;background:rgba(23,28,36,.9);margin-bottom:16px}
.mobile-search input{flex:1;min-width:0;border:0;background:transparent;outline:none;font-size:14.5px;color:var(--text-1)}
.mobile-links{display:grid;gap:6px}
.mobile-links a{padding:12px 14px;border-radius:12px;border:1px solid var(--line);background:rgba(23,28,36,.6);font-weight:600;color:var(--text-1);transition:border-color .2s var(--ease),background .2s var(--ease)}
.mobile-links a:hover{border-color:var(--line-hover);background:rgba(18,226,154,.08)}
@media(min-width:900px){
  .nav-search{display:flex}
  .nav-toggle{display:none}
  .mobile-menu{display:none}
}
@media(min-width:1024px){
  .nav-main{display:flex}
  .header-cta{display:inline-flex}
  .icon-btn.search-icon{display:none}
}
@media(min-width:1280px){
  .nav-search{max-width:480px}
}

/* ---------- Buttons ---------- */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;min-height:44px;padding:0 20px;border-radius:12px;font-size:14.5px;font-weight:700;letter-spacing:.01em;cursor:pointer;border:1px solid transparent;transition:background .2s var(--ease),border-color .2s var(--ease),color .2s var(--ease),box-shadow .2s var(--ease),transform .15s var(--ease)}
.btn-primary{background:var(--primary);color:var(--primary-ink)}
.btn-primary:hover{filter:brightness(1.06);box-shadow:0 0 0 4px rgba(18,226,154,.16)}
.btn-primary:active{transform:translateY(1px);box-shadow:none;filter:brightness(.98)}
.btn-ghost{background:transparent;border-color:var(--line-strong);color:var(--text-1)}
.btn-ghost:hover{border-color:var(--line-hover);background:rgba(18,226,154,.08)}
.btn-ghost:active{transform:translateY(1px)}
.link-more{display:inline-flex;align-items:center;gap:6px;font-size:14px;font-weight:700;color:var(--primary);position:relative}
.link-more svg{transition:transform .2s var(--ease)}
.link-more:hover svg{transform:translateX(3px)}
.link-more::after{content:"";position:absolute;left:0;bottom:-4px;width:0;height:1.5px;background:var(--primary);transition:width .22s var(--ease)}
.link-more:hover::after{width:100%}

/* ---------- Article hero ---------- */
.article-hero{position:relative;padding:30px 0 34px;border-bottom:1px solid var(--line);background-image:linear-gradient(100deg,rgba(10,12,16,.96) 6%,rgba(10,12,16,.78) 52%,rgba(10,12,16,.92) 100%),url("/assets/images/backpic/back-2.webp");background-size:cover;background-position:center}
.breadcrumb{display:flex;flex-wrap:wrap;align-items:center;gap:8px;font-size:13px;color:var(--text-3);margin-bottom:18px}
.breadcrumb a{color:var(--text-3);transition:color .18s var(--ease)}
.breadcrumb a:hover{color:var(--primary)}
.breadcrumb .sep{color:rgba(255,255,255,.22)}
.crumb-cur{color:var(--text-2);max-width:52ch;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
.article-title{font-size:clamp(28px,3.6vw,44px);font-weight:800;line-height:1.22;letter-spacing:-.02em;margin:0 0 16px;max-width:22ch}
.article-meta{display:flex;flex-wrap:wrap;align-items:center;gap:10px;font-size:13.5px;color:var(--text-3);font-variant-numeric:tabular-nums}
.badge-cat{display:inline-flex;align-items:center;height:26px;padding:0 12px;border-radius:999px;background:rgba(18,226,154,.14);border:1px solid rgba(18,226,154,.35);color:var(--primary);font-size:12.5px;font-weight:700}
.meta-dot{width:4px;height:4px;border-radius:999px;background:rgba(255,255,255,.22)}
.article-hero .hero-hint{display:inline-flex;align-items:center;gap:8px;margin-top:18px;font-size:13px;color:var(--text-3)}
.hero-hint i{width:7px;height:7px;border-radius:999px;background:var(--gold);box-shadow:0 0 0 4px rgba(255,194,75,.14);display:inline-block}

/* ---------- Article body ---------- */
.article-wrap{padding:38px 0 12px}
.article-layout{display:grid;grid-template-columns:1fr;gap:26px}
.paper{background:var(--paper);border:1px solid rgba(255,255,255,.06);border-radius:var(--r-lg);box-shadow:var(--shadow-1);padding:26px 20px}
@media(min-width:640px){.paper{padding:34px 32px;border-radius:20px}}
@media(min-width:1024px){.paper{padding:44px 48px}}
.article-body{max-width:760px;margin:0 auto;color:var(--ink-2);font-size:16px;line-height:1.85}
.article-body p{margin:0 0 1.2em}
.article-body h2{font-size:24px;font-weight:700;color:var(--ink-1);line-height:1.4;margin:2em 0 .8em;padding-left:14px;border-left:3px solid #0BB27A}
.article-body h3{font-size:19px;font-weight:700;color:var(--ink-1);margin:1.6em 0 .7em}
.article-body strong{color:var(--ink-1);font-weight:700}
.article-body ul,.article-body ol{margin:0 0 1.3em;padding-left:1.3em}
.article-body ul li{list-style:disc;margin:.45em 0}
.article-body ol li{list-style:decimal;margin:.45em 0}
.article-body a{color:#067A56;border-bottom:1px solid rgba(6,122,86,.35);transition:border-color .18s var(--ease),color .18s var(--ease)}
.article-body a:hover{color:#04543B;border-color:#04543B}
.article-body img{border-radius:12px;margin:1.4em 0;box-shadow:0 8px 22px rgba(24,30,36,.14)}
.article-body figure{margin:1.6em 0}
.article-body figcaption{font-size:13px;color:var(--ink-3);text-align:center;margin-top:8px}
.article-body blockquote{margin:1.6em 0;padding:14px 18px;border-left:3px solid #0BB27A;background:rgba(11,178,122,.08);border-radius:0 10px 10px 0;color:#243038}
.article-body blockquote p:last-child{margin-bottom:0}
.article-body code{font-family:ui-monospace,SFMono-Regular,Menlo,Consolas,monospace;font-size:14px;background:#EAE7DF;border:1px solid #DEDAD0;border-radius:6px;padding:2px 6px;color:#1F2A32}
.article-body pre{background:#12161C;color:#E6EDF3;padding:16px 18px;border-radius:12px;overflow-x:auto;font-size:14px;line-height:1.7;margin:1.5em 0}
.article-body pre code{background:transparent;border:0;padding:0;color:inherit}
.article-body table{width:100%;border-collapse:collapse;margin:1.6em 0;font-size:14.5px}
.article-body th,.article-body td{border:1px solid #E1DCD1;padding:10px 12px;text-align:left}
.article-body th{background:#EDEAE2;color:var(--ink-1);font-weight:700}
.article-body hr{border:0;border-top:1px solid #E1DCD1;margin:2em 0}
.article-body h2:first-child,.article-body p:first-child{margin-top:0}
.empty-state{max-width:560px;margin:8px auto;text-align:center;color:var(--ink-2)}
.empty-state .empty-ico{display:grid;place-items:center;width:56px;height:56px;margin:0 auto 16px;border-radius:16px;background:rgba(11,178,122,.12);color:#067A56}
.empty-state h2{font-size:20px;margin:0 0 8px;color:var(--ink-1);border:0;padding:0}
.empty-state p{margin:0 0 18px;font-size:14.5px;color:#5A646E}

/* ---------- Tags & pager ---------- */
.article-tags{display:flex;flex-wrap:wrap;align-items:center;gap:10px;max-width:760px;margin:26px auto 0;padding-top:20px;border-top:1px solid rgba(14,19,25,.1)}
.tag-label{font-size:13px;font-weight:700;color:var(--ink-3)}
.tag{display:inline-flex;align-items:center;height:30px;padding:0 14px;border-radius:999px;border:1px solid rgba(14,19,25,.14);background:rgba(14,19,25,.04);color:#29343C;font-size:13px;font-weight:600;transition:border-color .2s var(--ease),background .2s var(--ease),color .2s var(--ease)}
.tag:hover{border-color:#0BB27A;background:rgba(11,178,122,.12);color:#04543B}
.pager{display:grid;grid-template-columns:1fr;gap:14px;margin-top:28px}
@media(min-width:760px){.pager{grid-template-columns:1fr 1fr}}
.pager-card{display:flex;flex-direction:column;gap:6px;padding:18px 20px;border:1px solid var(--line);border-radius:var(--r-md);background:var(--bg-elev-1);transition:border-color .2s var(--ease),transform .2s var(--ease),box-shadow .2s var(--ease)}
.pager-card:hover{border-color:var(--line-hover);transform:translateY(-2px);box-shadow:var(--shadow-2)}
.pager-card .pager-label{font-size:12.5px;letter-spacing:.12em;color:var(--text-3);font-weight:700}
.pager-card .pager-title{font-size:16px;font-weight:700;color:var(--text-1)}
.pager-card .pager-desc{font-size:13.5px;color:var(--text-2)}

/* ---------- Related cards ---------- */
.card-grid{display:grid;grid-template-columns:1fr;gap:20px}
@media(min-width:640px){.card-grid{grid-template-columns:repeat(2,1fr)}}
@media(min-width:1024px){.card-grid{grid-template-columns:repeat(3,1fr)}}
.post-card{display:flex;flex-direction:column;border:1px solid var(--line);border-radius:var(--r-md);background:var(--bg-elev-1);overflow:hidden;transition:border-color .2s var(--ease),transform .2s var(--ease),box-shadow .2s var(--ease)}
.post-card:hover{border-color:var(--line-hover);transform:translateY(-3px);box-shadow:var(--shadow-2)}
.post-thumb{position:relative;aspect-ratio:16/9;overflow:hidden;background:var(--bg-elev-2)}
.post-thumb img{width:100%;height:100%;object-fit:cover;transition:transform .35s var(--ease)}
.post-card:hover .post-thumb img{transform:scale(1.05)}
.post-thumb::after{content:"";position:absolute;inset:auto 0 0 0;height:56%;background:linear-gradient(transparent,rgba(10,12,16,.86))}
.post-body{padding:16px 18px 20px;display:flex;flex-direction:column;gap:10px}
.post-cat{align-self:flex-start;display:inline-flex;align-items:center;height:24px;padding:0 11px;border-radius:999px;font-size:12px;font-weight:700;background:rgba(255,92,122,.14);border:1px solid rgba(255,92,122,.35);color:var(--accent)}
.post-title{font-size:17px;font-weight:700;line-height:1.45;color:var(--text-1);margin:0;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.post-desc{font-size:13.5px;line-height:1.7;color:var(--text-2);margin:0;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.post-foot{display:flex;align-items:center;justify-content:space-between;margin-top:2px;font-size:12.5px;color:var(--text-3);font-variant-numeric:tabular-nums}
.post-foot .go{color:var(--primary);font-weight:700;display:inline-flex;align-items:center;gap:5px}

/* ---------- CTA ---------- */
.cta-band{position:relative;border-top:1px solid var(--line);border-bottom:1px solid var(--line);background:linear-gradient(120deg,rgba(18,226,154,.1),rgba(255,92,122,.07));overflow:hidden}
.cta-band::before{content:"";position:absolute;inset:0;background-image:linear-gradient(rgba(255,255,255,.045) 1px,transparent 1px),linear-gradient(90deg,rgba(255,255,255,.045) 1px,transparent 1px);background-size:46px 46px;opacity:.7;pointer-events:none}
.cta-inner{position:relative;display:grid;grid-template-columns:1fr;gap:24px;align-items:center;padding:48px 0}
@media(min-width:900px){.cta-inner{grid-template-columns:1.1fr .9fr;padding:58px 0}}
.cta-inner h2{font-size:clamp(22px,2.6vw,30px);font-weight:800;margin:0 0 10px;letter-spacing:-.01em}
.cta-inner p{margin:0;font-size:14.5px;color:var(--text-2);max-width:46ch}
.subscribe{display:flex;flex-wrap:wrap;gap:10px;background:rgba(10,12,16,.55);border:1px solid var(--line);border-radius:16px;padding:10px}
.subscribe input[type="email"]{flex:1 1 200px;min-width:0;height:46px;padding:0 16px;border-radius:11px;border:1px solid var(--line);background:rgba(23,28,36,.9);color:var(--text-1);font-size:14.5px;outline:none;transition:border-color .2s var(--ease),box-shadow .2s var(--ease)}
.subscribe input[type="email"]::placeholder{color:var(--text-3)}
.subscribe input[type="email"]:focus{border-color:var(--line-hover);box-shadow:0 0 0 4px rgba(18,226,154,.14)}
.subscribe .btn{flex:0 0 auto;min-height:46px}
.subscribe-note{flex:1 1 100%;font-size:12.5px;color:var(--text-3);padding:0 6px 2px}

/* ---------- Footer ---------- */
.site-footer{border-top:1px solid var(--line);background:rgba(9,11,15,.86);padding:52px 0 22px}
.foot-grid{display:grid;grid-template-columns:1fr;gap:32px}
@media(min-width:640px){.foot-grid{grid-template-columns:1fr 1fr}}
@media(min-width:1024px){.foot-grid{grid-template-columns:1.5fr 1fr 1fr 1fr;gap:40px}}
.foot-brand p{margin:14px 0 16px;font-size:14px;color:var(--text-2);max-width:34ch}
.foot-search{display:flex;align-items:center;gap:8px;height:42px;padding:0 14px;border:1px solid var(--line);border-radius:12px;background:rgba(23,28,36,.8);max-width:300px;transition:border-color .2s var(--ease)}
.foot-search:focus-within{border-color:var(--line-hover)}
.foot-search input{flex:1;min-width:0;border:0;background:transparent;outline:none;font-size:13.5px;color:var(--text-1)}
.foot-search input::placeholder{color:var(--text-3)}
.foot-col h4{font-size:13px;letter-spacing:.14em;font-weight:700;color:var(--text-1);margin:0 0 14px;text-transform:uppercase}
.foot-col ul{display:grid;gap:10px}
.foot-col a{font-size:14px;color:var(--text-2);transition:color .18s var(--ease),padding-left .18s var(--ease)}
.foot-col a:hover{color:var(--primary);padding-left:4px}
.foot-bottom{display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:12px;margin-top:38px;padding-top:20px;border-top:1px solid var(--line);font-size:12.5px;color:var(--text-3)}
.foot-bottom nav{display:flex;flex-wrap:wrap;gap:16px}
.foot-bottom a{color:var(--text-3);transition:color .18s var(--ease)}
.foot-bottom a:hover{color:var(--primary)}
.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}
@media(prefers-reduced-motion:reduce){
  *{animation-duration:.001ms !important;transition-duration:.001ms !important}
  html{scroll-behavior:auto}
}

/* roulang page: category1 */
:root{
  --bg:#0A0C10;
  --bg-elev-1:#11151B;
  --bg-elev-2:#171C24;
  --paper:#F6F5F1;
  --primary:#12E29A;
  --primary-ink:#04231A;
  --accent:#FF5C7A;
  --gold:#FFC24B;
  --text-1:#F2F6F8;
  --text-2:#A8B3BE;
  --text-3:#6C7784;
  --line:rgba(255,255,255,.08);
  --line-strong:rgba(255,255,255,.14);
  --line-hover:rgba(18,226,154,.45);
  --radius-s:10px;
  --radius-m:14px;
  --radius-l:20px;
  --pill:999px;
  --shadow-1:0 10px 28px rgba(0,0,0,.45);
  --shadow-2:0 18px 44px rgba(0,0,0,.6);
  --ease:cubic-bezier(.4,0,.2,1);
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{
  margin:0;
  background:var(--bg);
  color:var(--text-1);
  font-family:system-ui,"PingFang SC","Microsoft YaHei","Noto Sans SC",sans-serif;
  font-size:16px;
  line-height:1.75;
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block}
a{color:inherit;text-decoration:none}
button,input,select{font:inherit;color:inherit}
h1,h2,h3,h4,p,ul,ol,li,figure{margin:0;padding:0}
ul,ol{list-style:none}
:focus-visible{outline:2px solid var(--primary);outline-offset:2px;border-radius:6px}
::selection{background:rgba(18,226,154,.32);color:#fff}
.container{width:100%;max-width:1280px;margin:0 auto;padding:0 16px}
@media(min-width:640px){.container{padding:0 24px}}
@media(min-width:1024px){.container{padding:0 32px}}

/* ---------- header / nav ---------- */
.site-header{
  position:sticky;top:0;z-index:60;
  background:rgba(10,12,16,.82);
  backdrop-filter:blur(14px);
  -webkit-backdrop-filter:blur(14px);
  border-bottom:1px solid var(--line);
  transition:background .2s var(--ease);
}
.site-header.is-scrolled{background:rgba(10,12,16,.96);box-shadow:0 8px 26px rgba(0,0,0,.5)}
.header-inner{display:flex;align-items:center;gap:16px;height:70px}
.logo{display:flex;align-items:center;gap:10px;flex:0 0 auto}
.logo-mark{
  width:38px;height:38px;border-radius:11px;display:grid;place-items:center;
  background:linear-gradient(140deg,#12E29A,#0A9E6D);
  color:var(--primary-ink);font-weight:800;font-size:15px;letter-spacing:-.02em;flex:0 0 38px;
}
.logo-text{display:flex;flex-direction:column;font-weight:800;font-size:16px;line-height:1.1;letter-spacing:-.01em}
.logo-text small{font-size:9.5px;letter-spacing:.2em;color:var(--text-3);font-weight:700;margin-top:3px}
.nav-search{
  position:relative;display:flex;align-items:center;gap:8px;
  flex:1 1 auto;max-width:420px;height:42px;padding:0 14px;
  background:var(--bg-elev-1);border:1px solid var(--line);border-radius:12px;
  transition:border-color .2s var(--ease),box-shadow .2s var(--ease);
}
.nav-search:focus-within{border-color:var(--primary);box-shadow:0 0 0 4px rgba(18,226,154,.14)}
.nav-search input{flex:1 1 auto;min-width:0;background:none;border:0;outline:none;font-size:14px;color:var(--text-1)}
.nav-search input::placeholder{color:var(--text-3)}
.nav-hot{font-size:11.5px;color:var(--text-3);border:1px solid var(--line);border-radius:var(--pill);padding:2px 9px;white-space:nowrap}
.nav-main{display:flex;align-items:center;gap:2px;margin-left:auto}
.nav-link{
  position:relative;padding:9px 12px;border-radius:9px;font-size:14.5px;font-weight:600;
  color:var(--text-2);transition:color .2s var(--ease),background .2s var(--ease);white-space:nowrap;
}
.nav-link:hover{color:var(--text-1);background:rgba(255,255,255,.05)}
.nav-link.is-active{color:var(--primary)}
.nav-link.is-active::after{
  content:"";position:absolute;left:12px;right:12px;bottom:3px;height:2px;border-radius:2px;background:var(--primary);
}
.nav-cta{margin-left:10px;flex:0 0 auto}
.menu-toggle,.search-toggle{
  display:none;align-items:center;justify-content:center;width:40px;height:40px;flex:0 0 40px;
  background:var(--bg-elev-1);border:1px solid var(--line);border-radius:11px;cursor:pointer;
  transition:border-color .2s var(--ease),background .2s var(--ease);
}
.menu-toggle:hover,.search-toggle:hover{border-color:var(--line-hover);background:var(--bg-elev-2)}
.search-toggle{margin-left:auto}
.mobile-panel{
  display:none;padding:14px 0 18px;border-top:1px solid var(--line);background:rgba(10,12,16,.98);
}
.mobile-panel.is-open{display:block}
.mobile-panel .nav-link{display:block;padding:12px 14px;font-size:15.5px;border-radius:11px}
.mobile-panel .nav-link.is-active{background:rgba(18,226,154,.1)}
.mobile-panel .nav-link.is-active::after{display:none}
.mobile-search{display:flex;align-items:center;gap:8px;height:46px;padding:0 14px;margin-bottom:12px;background:var(--bg-elev-1);border:1px solid var(--line);border-radius:12px}
.mobile-search input{flex:1;background:none;border:0;outline:none;font-size:14.5px}
.search-overlay{
  position:absolute;left:0;right:0;top:70px;padding:14px 0 18px;
  background:rgba(10,12,16,.98);border-bottom:1px solid var(--line);display:none;
}
.search-overlay.is-open{display:block}
@media(max-width:1279px){
  .nav-search{max-width:300px}
  .nav-link{padding:9px 9px;font-size:14px}
}
@media(max-width:1023px){
  .nav-search{display:none}
  .nav-main{display:none}
  .nav-cta{display:none}
  .menu-toggle{display:flex}
  .search-toggle{display:flex}
  .header-inner{gap:10px}
}
@media(max-width:400px){
  .logo-text{font-size:14.5px}
  .logo-mark{width:34px;height:34px;flex:0 0 34px}
}

/* ---------- buttons ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:44px;padding:0 20px;border-radius:11px;font-size:14.5px;font-weight:700;
  border:1px solid transparent;cursor:pointer;white-space:nowrap;
  transition:background .2s var(--ease),border-color .2s var(--ease),color .2s var(--ease),
             box-shadow .2s var(--ease),transform .15s var(--ease);
}
.btn-primary{background:var(--primary);color:var(--primary-ink)}
.btn-primary:hover{background:#25EFA9;box-shadow:0 0 0 4px rgba(18,226,154,.16)}
.btn-primary:active{transform:translateY(1px);box-shadow:none}
.btn-ghost{background:transparent;border-color:var(--line-strong);color:var(--text-1)}
.btn-ghost:hover{border-color:var(--primary);background:rgba(18,226,154,.08);color:var(--primary)}
.btn-ghost:active{transform:translateY(1px)}
.btn-sm{height:38px;padding:0 15px;font-size:13.5px;border-radius:10px}
.link-more{
  display:inline-flex;align-items:center;gap:6px;color:var(--primary);font-size:14px;font-weight:700;
  position:relative;
}
.link-more span.arrow{transition:transform .2s var(--ease)}
.link-more:hover span.arrow{transform:translateX(3px)}
.link-more::after{
  content:"";position:absolute;left:0;bottom:-3px;height:1px;width:0;background:var(--primary);
  transition:width .2s var(--ease);
}
.link-more:hover::after{width:100%}
@media(max-width:639px){.btn{height:48px;width:100%}.btn.btn-inline{width:auto}}

/* ---------- hero ---------- */
.cat-hero{position:relative;overflow:hidden;border-bottom:1px solid var(--line);min-height:36vh;display:flex;align-items:flex-end}
.cat-hero-bg{position:absolute;inset:0;background-image:url('/assets/images/backpic/back-2.webp');background-size:cover;background-position:center 35%}
.cat-hero-bg::after{
  content:"";position:absolute;inset:0;
  background:
    linear-gradient(90deg,rgba(10,12,16,.96) 0%,rgba(10,12,16,.80) 42%,rgba(10,12,16,.42) 100%),
    linear-gradient(0deg,rgba(10,12,16,.98) 0%,rgba(10,12,16,.55) 38%,rgba(10,12,16,0) 72%);
}
.cat-hero-inner{position:relative;z-index:2;padding:64px 0 44px;width:100%}
.crumb{display:flex;align-items:center;gap:8px;font-size:13px;color:var(--text-3);margin-bottom:16px;flex-wrap:wrap}
.crumb a{color:var(--text-3);transition:color .2s var(--ease)}
.crumb a:hover{color:var(--primary)}
.crumb i{font-style:normal;color:var(--text-3);opacity:.6}
.cat-hero h1{
  font-size:clamp(28px,4.2vw,48px);font-weight:800;letter-spacing:-.02em;line-height:1.16;
  max-width:760px;margin-bottom:14px;
}
.hero-lead{max-width:620px;color:var(--text-2);font-size:15.5px;line-height:1.8}
.hero-stats{display:flex;flex-wrap:wrap;gap:10px;margin-top:24px}
.stat-chip{
  display:flex;align-items:baseline;gap:7px;padding:9px 15px;border-radius:var(--pill);
  background:rgba(17,21,27,.72);border:1px solid var(--line);
}
.stat-chip b{font-size:17px;color:var(--primary);font-variant-numeric:tabular-nums;font-weight:800}
.stat-chip span{font-size:12.5px;color:var(--text-2)}
.badge{
  display:inline-flex;align-items:center;gap:6px;padding:4px 11px;border-radius:var(--pill);
  font-size:12px;font-weight:700;letter-spacing:.02em;
}
.badge-primary{background:rgba(18,226,154,.14);color:var(--primary);border:1px solid rgba(18,226,154,.32)}
.badge-accent{background:rgba(255,92,122,.16);color:#FF8CA1;border:1px solid rgba(255,92,122,.32)}
.badge-gold{background:rgba(255,194,75,.15);color:var(--gold);border:1px solid rgba(255,194,75,.32)}
.badge-muted{background:rgba(255,255,255,.06);color:var(--text-2);border:1px solid var(--line)}

/* ---------- filter bar ---------- */
.filter-bar{position:sticky;top:70px;z-index:40;background:rgba(10,12,16,.93);backdrop-filter:blur(12px);-webkit-backdrop-filter:blur(12px);border-bottom:1px solid var(--line)}
.filter-inner{display:flex;align-items:center;gap:14px;padding:12px 0;overflow-x:auto;scrollbar-width:none}
.filter-inner::-webkit-scrollbar{display:none}
.pill-group{display:flex;align-items:center;gap:8px;flex:0 0 auto}
.pill{
  padding:7px 15px;border-radius:var(--pill);font-size:13.5px;font-weight:600;color:var(--text-2);
  background:var(--bg-elev-1);border:1px solid var(--line);cursor:pointer;white-space:nowrap;
  transition:color .2s var(--ease),border-color .2s var(--ease),background .2s var(--ease);
}
.pill:hover{color:var(--text-1);border-color:var(--line-strong)}
.pill.is-active{background:rgba(18,226,154,.14);border-color:rgba(18,226,154,.4);color:var(--primary)}
.filter-right{display:flex;align-items:center;gap:10px;margin-left:auto;flex:0 0 auto}
.select-look{
  display:inline-flex;align-items:center;gap:8px;height:36px;padding:0 13px;border-radius:10px;
  background:var(--bg-elev-1);border:1px solid var(--line);font-size:13.5px;color:var(--text-2);
  cursor:pointer;white-space:nowrap;transition:border-color .2s var(--ease),color .2s var(--ease);
}
.select-look:hover{border-color:var(--line-hover);color:var(--text-1)}
.view-toggle{display:flex;align-items:center;gap:4px;background:var(--bg-elev-1);border:1px solid var(--line);border-radius:10px;padding:4px}
.view-toggle button{width:30px;height:28px;border:0;background:none;border-radius:7px;cursor:pointer;display:grid;place-items:center;transition:background .2s var(--ease)}
.view-toggle button:hover{background:rgba(255,255,255,.06)}
.view-toggle button.is-on{background:rgba(18,226,154,.16)}

/* ---------- sections ---------- */
.section{padding:56px 0}
@media(min-width:768px){.section{padding:72px 0}}
.sec-head{display:flex;align-items:flex-end;justify-content:space-between;gap:20px;margin-bottom:28px;flex-wrap:wrap}
.sec-head h2{font-size:clamp(21px,2.6vw,30px);font-weight:800;letter-spacing:-.02em}
.sec-head p{color:var(--text-2);font-size:14.5px;margin-top:8px;max-width:60ch}
.sec-eyebrow{display:inline-flex;align-items:center;gap:7px;font-size:12.5px;font-weight:700;color:var(--primary);letter-spacing:.06em;margin-bottom:10px}
.sec-eyebrow::before{content:"";width:16px;height:2px;border-radius:2px;background:var(--primary)}

/* ---------- card grid ---------- */
.card-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:20px}
@media(max-width:1023px){.card-grid{grid-template-columns:repeat(2,minmax(0,1fr));gap:18px}}
@media(max-width:639px){.card-grid{grid-template-columns:1fr;gap:16px}}
.g-card{
  background:var(--bg-elev-1);border:1px solid var(--line);border-radius:var(--radius-m);
  overflow:hidden;box-shadow:var(--shadow-1);height:100%;
  transition:transform .2s var(--ease),border-color .2s var(--ease),box-shadow .2s var(--ease);
}
.g-card:hover{transform:translateY(-3px);border-color:var(--line-hover);box-shadow:var(--shadow-2)}
.g-card-link{display:flex;flex-direction:column;height:100%}
.g-card-media{position:relative;aspect-ratio:16/9;overflow:hidden;background:var(--bg-elev-2)}
.g-card-media img{width:100%;height:100%;object-fit:cover;transition:transform .45s var(--ease)}
.g-card:hover .g-card-media img{transform:scale(1.05)}
.g-card-media::after{content:"";position:absolute;inset:0;background:linear-gradient(180deg,rgba(10,12,16,.05),rgba(10,12,16,.62))}
.g-card-media .badge{position:absolute;left:12px;top:12px;z-index:2}
.g-card-time{position:absolute;right:12px;bottom:11px;z-index:2;font-size:11.5px;color:var(--text-2);font-variant-numeric:tabular-nums;letter-spacing:.02em}
.g-card-body{padding:16px 17px 18px;display:flex;flex-direction:column;gap:9px;flex:1 1 auto}
.g-card-body h3{font-size:16.5px;font-weight:700;line-height:1.4;letter-spacing:-.01em}
.g-card-body p{font-size:13.5px;color:var(--text-2);line-height:1.6;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.g-card-foot{display:flex;align-items:center;justify-content:space-between;gap:10px;margin-top:auto;padding-top:12px;border-top:1px solid var(--line)}
.g-card-foot span{font-size:12.5px;color:var(--text-3);font-variant-numeric:tabular-nums}
.g-card-foot em{font-style:normal;color:var(--primary);font-size:13px;font-weight:700;transition:transform .2s var(--ease)}
.g-card:hover .g-card-foot em{transform:translateX(3px)}

/* ---------- rank list ---------- */
.rank-wrap{display:grid;grid-template-columns:1.25fr .95fr;gap:26px;align-items:stretch}
@media(max-width:1023px){.rank-wrap{grid-template-columns:1fr;gap:22px}}
.rank-list{border-top:1px solid var(--line)}
.rank-item{display:flex;align-items:center;gap:16px;padding:15px 4px;border-bottom:1px solid var(--line);transition:background .2s var(--ease)}
.rank-item:hover{background:rgba(255,255,255,.03)}
.rank-num{
  font-size:32px;font-weight:800;line-height:1;min-width:58px;font-variant-numeric:tabular-nums;
  color:transparent;-webkit-text-stroke:1px rgba(255,194,75,.75);
}
.rank-item:hover .rank-num{color:rgba(255,194,75,.14)}
.rank-info h3{font-size:15.5px;font-weight:700;line-height:1.4}
.rank-info p{font-size:13px;color:var(--text-3);margin-top:3px}
.rank-right{margin-left:auto;text-align:right;flex:0 0 auto}
.rank-right .delta{font-size:13px;color:var(--primary);font-variant-numeric:tabular-nums;font-weight:700}
.rank-right .delta.down{color:var(--accent)}
.rank-right small{display:block;font-size:11.5px;color:var(--text-3);margin-top:2px}
.rank-feature{
  position:relative;border-radius:var(--radius-l);overflow:hidden;border:1px solid var(--line);
  min-height:300px;display:flex;align-items:flex-end;box-shadow:var(--shadow-1);
}
.rank-feature img{position:absolute;inset:0;width:100%;height:100%;object-fit:cover}
.rank-feature::after{content:"";position:absolute;inset:0;background:linear-gradient(0deg,rgba(10,12,16,.96) 8%,rgba(10,12,16,.45) 52%,rgba(10,12,16,.12) 100%)}
.rank-feature-body{position:relative;z-index:2;padding:24px}
.rank-feature-body h3{font-size:22px;font-weight:800;margin:12px 0 8px;letter-spacing:-.01em}
.rank-feature-body p{font-size:14px;color:var(--text-2);line-height:1.7}

/* ---------- faq ---------- */
.faq-list{border-top:1px solid var(--line);max-width:900px}
.faq-item{border-bottom:1px solid var(--line)}
.faq-item summary{
  list-style:none;cursor:pointer;display:flex;align-items:center;justify-content:space-between;gap:16px;
  padding:19px 2px;font-size:15.5px;font-weight:600;color:var(--text-1);
  transition:color .2s var(--ease);
}
.faq-item summary::-webkit-details-marker{display:none}
.faq-item summary:hover{color:var(--primary)}
.faq-icon{position:relative;width:18px;height:18px;flex:0 0 18px}
.faq-icon::before,.faq-icon::after{content:"";position:absolute;background:var(--primary);border-radius:2px;transition:transform .2s var(--ease),opacity .2s var(--ease)}
.faq-icon::before{left:0;top:8px;width:18px;height:2px}
.faq-icon::after{left:8px;top:0;width:2px;height:18px}
.faq-item[open] .faq-icon::after{transform:rotate(90deg);opacity:0}
.faq-body{padding:0 2px 22px}
.faq-body p{font-size:14.5px;color:var(--text-2);line-height:1.85;max-width:72ch}

/* ---------- pagination ---------- */
.pager{display:flex;align-items:center;justify-content:center;gap:8px;margin-top:40px;flex-wrap:wrap}
.pager a,.pager span{
  min-width:40px;height:40px;padding:0 13px;display:inline-flex;align-items:center;justify-content:center;
  border-radius:10px;background:var(--bg-elev-1);border:1px solid var(--line);font-size:13.5px;
  color:var(--text-2);font-variant-numeric:tabular-nums;
  transition:color .2s var(--ease),border-color .2s var(--ease),background .2s var(--ease);
}
.pager a:hover{color:var(--text-1);border-color:var(--line-hover)}
.pager .is-current{background:var(--primary);border-color:var(--primary);color:var(--primary-ink);font-weight:700}
.pager .is-disabled{opacity:.42;cursor:not-allowed}

/* ---------- cta ---------- */
.cta-band{
  position:relative;overflow:hidden;border-radius:var(--radius-l);border:1px solid rgba(18,226,154,.28);
  background:rgba(18,226,154,.08);padding:38px 32px;
  display:grid;grid-template-columns:1.05fr .95fr;gap:28px;align-items:center;
}
.cta-band::before{
  content:"";position:absolute;inset:0;pointer-events:none;opacity:.45;
  background-image:linear-gradient(rgba(255,255,255,.055) 1px,transparent 1px),
                   linear-gradient(90deg,rgba(255,255,255,.055) 1px,transparent 1px);
  background-size:34px 34px;
}
.cta-band h2{position:relative;font-size:clamp(21px,2.6vw,29px);font-weight:800;letter-spacing:-.02em;line-height:1.3}
.cta-band p{position:relative;color:var(--text-2);font-size:14.5px;margin-top:12px;max-width:52ch}
.cta-form{position:relative;display:flex;gap:10px;align-items:center;flex-wrap:wrap}
.cta-form .field{flex:1 1 240px;display:flex;align-items:center;gap:9px;height:48px;padding:0 15px;background:rgba(10,12,16,.72);border:1px solid var(--line-strong);border-radius:12px;transition:border-color .2s var(--ease),box-shadow .2s var(--ease)}
.cta-form .field:focus-within{border-color:var(--primary);box-shadow:0 0 0 4px rgba(18,226,154,.14)}
.cta-form .field input{flex:1;min-width:0;background:none;border:0;outline:none;font-size:14.5px}
.cta-form .field input::placeholder{color:var(--text-3)}
.form-note{position:relative;flex:1 1 100%;font-size:12.5px;color:var(--text-3);margin-top:2px}
@media(max-width:1023px){.cta-band{grid-template-columns:1fr;gap:22px;padding:32px 24px}}
@media(max-width:639px){.cta-band{padding:26px 18px}.cta-form .btn{width:100%}}

/* ---------- footer ---------- */
.site-footer{margin-top:64px;border-top:1px solid var(--line);background:var(--bg-elev-1);padding:56px 0 22px}
.foot-grid{display:grid;grid-template-columns:1.7fr 1fr 1fr 1fr;gap:36px}
@media(max-width:1023px){.foot-grid{grid-template-columns:1fr 1fr;gap:30px}}
@media(max-width:639px){.foot-grid{grid-template-columns:1fr;gap:26px}}
.foot-brand p{color:var(--text-2);font-size:14px;margin:16px 0 18px;max-width:38ch;line-height:1.75}
.foot-search{display:flex;align-items:center;gap:9px;height:42px;max-width:320px;padding:0 14px;background:rgba(10,12,16,.7);border:1px solid var(--line);border-radius:11px;transition:border-color .2s var(--ease)}
.foot-search:focus-within{border-color:var(--primary)}
.foot-search input{flex:1;min-width:0;background:none;border:0;outline:none;font-size:13.5px}
.foot-search input::placeholder{color:var(--text-3)}
.foot-col h4{font-size:14px;font-weight:700;letter-spacing:.02em;margin-bottom:16px}
.foot-col ul{display:flex;flex-direction:column;gap:11px}
.foot-col a{font-size:13.8px;color:var(--text-2);transition:color .2s var(--ease)}
.foot-col a:hover{color:var(--primary)}
.foot-bottom{
  margin-top:40px;padding-top:20px;border-top:1px solid var(--line);
  display:flex;align-items:center;justify-content:space-between;gap:16px;flex-wrap:wrap;
  font-size:12.8px;color:var(--text-3);
}
.foot-bottom nav{display:flex;gap:16px;flex-wrap:wrap}
.foot-bottom nav a{color:var(--text-3);transition:color .2s var(--ease)}
.foot-bottom nav a:hover{color:var(--primary)}

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

/* roulang page: category2 */
:root{
  --bg:#0A0C10;
  --bg-elev-1:#11151B;
  --bg-elev-2:#171C24;
  --bg-paper:#F6F5F1;
  --primary:#12E29A;
  --primary-ink:#04231A;
  --accent:#FF5C7A;
  --gold:#FFC24B;
  --text-1:#F2F6F8;
  --text-2:#A8B3BE;
  --text-3:#6C7784;
  --line:rgba(255,255,255,.08);
  --line-hover:rgba(18,226,154,.45);
  --radius:14px;
  --radius-sm:11px;
  --shadow:0 10px 28px rgba(0,0,0,.45);
  --shadow-hover:0 18px 44px rgba(0,0,0,.6);
  --ease:cubic-bezier(.4,0,.2,1);
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{
  margin:0;
  background:var(--bg);
  color:var(--text-1);
  font-family:system-ui,"PingFang SC","Microsoft YaHei","Noto Sans SC",sans-serif;
  font-size:16px;
  line-height:1.75;
  -webkit-font-smoothing:antialiased;
  overflow-x:hidden;
}
img{max-width:100%;display:block;border:0}
a{color:inherit;text-decoration:none}
button,input{font-family:inherit}
h1,h2,h3,h4,p,ul,ol,figure{margin:0}
ul{list-style:none;padding:0}
a:focus-visible,button:focus-visible,input:focus-visible,summary:focus-visible{
  outline:2px solid var(--primary);
  outline-offset:2px;
  border-radius:6px;
}
body .container{width:100%;max-width:1280px;margin:0 auto;padding:0 16px}
@media(min-width:640px){body .container{padding:0 24px}}
@media(min-width:1024px){body .container{padding:0 32px}}

/* ---------- 顶部导航 ---------- */
.site-header{
  position:sticky;top:0;z-index:60;
  background:rgba(10,12,16,.82);
  backdrop-filter:blur(14px);
  -webkit-backdrop-filter:blur(14px);
  border-bottom:1px solid var(--line);
  transition:background .2s var(--ease),box-shadow .2s var(--ease);
}
.site-header.is-scrolled{background:rgba(7,9,13,.96);box-shadow:0 8px 24px rgba(0,0,0,.5)}
.header-inner{display:flex;align-items:center;gap:18px;min-height:68px}
.logo{display:flex;align-items:center;gap:10px;flex:none}
.logo-mark{
  width:38px;height:38px;border-radius:11px;flex:none;
  background:linear-gradient(150deg,#12E29A,#0BAE78);
  color:var(--primary-ink);font-weight:800;font-size:15px;
  display:grid;place-items:center;letter-spacing:.02em;
}
.logo-text{display:flex;flex-direction:column;line-height:1.15;font-size:17px;font-weight:800;letter-spacing:-.01em}
.logo-text small{font-size:10px;font-weight:600;letter-spacing:.22em;color:var(--text-3)}
.nav-search{
  flex:1 1 auto;max-width:520px;height:44px;display:flex;align-items:center;gap:8px;
  background:var(--bg-elev-1);border:1px solid var(--line);border-radius:12px;
  padding:0 6px 0 12px;transition:border-color .2s var(--ease),box-shadow .2s var(--ease);
}
.nav-search:focus-within{border-color:var(--primary);box-shadow:0 0 0 4px rgba(18,226,154,.16)}
.nav-search input{flex:1;height:100%;background:transparent;border:0;outline:none;color:var(--text-1);font-size:14px;min-width:0}
.nav-search input::placeholder{color:var(--text-3)}
.nav-search-btn{
  flex:none;height:34px;padding:0 14px;border:0;border-radius:9px;cursor:pointer;
  background:rgba(18,226,154,.14);color:var(--primary);font-size:13px;font-weight:600;
  transition:background .2s var(--ease);
}
.nav-search-btn:hover{background:rgba(18,226,154,.24)}
.nav-main{display:flex;align-items:center;gap:2px;flex:none}
.nav-link{
  position:relative;padding:8px 12px;border-radius:9px;font-size:14px;font-weight:500;
  color:var(--text-2);transition:color .2s var(--ease),background .2s var(--ease);white-space:nowrap;
}
.nav-link:hover{color:var(--text-1);background:rgba(255,255,255,.05)}
.nav-link.is-active{color:var(--primary)}
.nav-link.is-active::after{
  content:"";position:absolute;left:12px;right:12px;bottom:1px;height:2px;border-radius:2px;background:var(--primary);
}
.header-actions{display:flex;align-items:center;gap:10px;flex:none}
.menu-toggle{
  display:none;width:42px;height:42px;border-radius:11px;border:1px solid var(--line);
  background:var(--bg-elev-1);color:var(--text-1);cursor:pointer;place-items:center;
  transition:border-color .2s var(--ease),background .2s var(--ease);
}
.menu-toggle:hover{border-color:var(--line-hover);background:rgba(18,226,154,.08)}
.mobile-drawer{
  display:none;flex-direction:column;gap:8px;padding:14px 16px 20px;
  border-top:1px solid var(--line);background:rgba(7,9,13,.98);
}
.mobile-drawer.open{display:flex}
.drawer-link{padding:11px 12px;border-radius:10px;font-size:15px;color:var(--text-2);border:1px solid transparent}
.drawer-link:hover{color:var(--text-1);background:rgba(255,255,255,.05)}
.drawer-link.is-active{color:var(--primary);border-color:var(--line-hover);background:rgba(18,226,154,.08);font-weight:600}
.nav-search--drawer{max-width:none;width:100%;margin-bottom:4px}

/* ---------- 按钮 ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:44px;padding:0 20px;border-radius:var(--radius-sm);border:1px solid transparent;
  font-size:14.5px;font-weight:600;cursor:pointer;white-space:nowrap;
  transition:transform .2s var(--ease),box-shadow .2s var(--ease),background .2s var(--ease),border-color .2s var(--ease),color .2s var(--ease);
}
.btn-sm{height:38px;padding:0 16px;font-size:13.5px;border-radius:10px}
.btn-primary{background:var(--primary);color:var(--primary-ink)}
.btn-primary:hover{background:#2BEBAB;box-shadow:0 0 0 4px rgba(18,226,154,.16)}
.btn-primary:active{transform:translateY(1px);box-shadow:none}
.btn-ghost{background:transparent;border-color:var(--line);color:var(--text-1)}
.btn-ghost:hover{border-color:var(--line-hover);background:rgba(18,226,154,.08)}
.btn-block{width:100%}

/* ---------- 分类 Hero ---------- */
.page-hero{
  position:relative;display:flex;align-items:center;
  min-height:36vh;padding:60px 0 54px;
  background-image:url('/assets/images/backpic/back-2.webp');
  background-size:cover;background-position:center;
}
.page-hero::before{
  content:"";position:absolute;inset:0;
  background:linear-gradient(90deg,rgba(10,12,16,.95) 6%,rgba(10,12,16,.74) 48%,rgba(10,12,16,.56) 100%),
             linear-gradient(180deg,rgba(10,12,16,.55),rgba(10,12,16,.97));
}
.page-hero .container{position:relative;z-index:2}
.hero-inner{max-width:780px}
.hero-inner h1{
  margin:18px 0 0;font-size:clamp(28px,4.2vw,48px);font-weight:800;
  letter-spacing:-.02em;line-height:1.18;
}
.hero-sub{margin-top:16px;font-size:16px;color:var(--text-2);max-width:64ch}
.hero-meta{display:flex;flex-wrap:wrap;gap:8px 26px;margin-top:22px;font-size:13.5px;color:var(--text-3)}
.hero-meta strong{color:var(--text-1);font-weight:700;font-variant-numeric:tabular-nums}
.hero-actions{display:flex;flex-wrap:wrap;gap:12px;margin-top:26px}

/* ---------- 徽章 / 标签 ---------- */
.badge{
  display:inline-flex;align-items:center;gap:7px;height:30px;padding:0 13px;border-radius:999px;
  font-size:12.5px;font-weight:600;color:var(--text-2);
  border:1px solid var(--line);background:rgba(255,255,255,.04);
}
.badge-gold{color:var(--gold);border-color:rgba(255,194,75,.35);background:rgba(255,194,75,.09)}
.badge-gold::before{content:"";width:6px;height:6px;border-radius:50%;background:var(--gold)}
.tag{
  display:inline-flex;align-items:center;height:26px;padding:0 11px;border-radius:999px;
  font-size:12px;font-weight:600;letter-spacing:.01em;
  background:rgba(255,92,122,.16);color:#FF9AAC;border:1px solid rgba(255,92,122,.35);
}
.tag-mint{background:rgba(18,226,154,.14);color:var(--primary);border-color:rgba(18,226,154,.32)}
.tag-gold{background:rgba(255,194,75,.14);color:var(--gold);border-color:rgba(255,194,75,.32)}

/* ---------- 筛选条 ---------- */
.filter-bar{
  position:sticky;top:68px;z-index:50;
  background:rgba(10,12,16,.92);backdrop-filter:blur(10px);-webkit-backdrop-filter:blur(10px);
  border-top:1px solid var(--line);border-bottom:1px solid var(--line);
}
.filter-inner{display:flex;align-items:center;gap:12px;min-height:62px;overflow-x:auto;scrollbar-width:none}
.filter-inner::-webkit-scrollbar{display:none}
.pill{
  flex:none;height:34px;padding:0 15px;border-radius:999px;display:inline-flex;align-items:center;
  font-size:13px;color:var(--text-2);background:var(--bg-elev-1);border:1px solid var(--line);
}
.pill.is-on{background:rgba(18,226,154,.14);border-color:var(--line-hover);color:var(--primary);font-weight:600}
.filter-tail{display:flex;align-items:center;gap:10px;margin-left:auto;flex:none;padding-left:12px}
.select-look{
  display:inline-flex;align-items:center;gap:8px;height:34px;padding:0 14px;border-radius:10px;
  background:var(--bg-elev-1);border:1px solid var(--line);color:var(--text-2);font-size:13px;white-space:nowrap;
}
.view-tools{display:inline-flex;gap:6px}
.view-tools span{
  width:34px;height:34px;border-radius:10px;display:grid;place-items:center;
  background:var(--bg-elev-1);border:1px solid var(--line);color:var(--text-3);
}
.view-tools span.is-on{color:var(--primary);border-color:var(--line-hover)}

/* ---------- 板块 ---------- */
.section{padding:54px 0}
@media(min-width:768px){.section{padding:78px 0}}
.section-alt{background:linear-gradient(180deg,rgba(23,28,36,.55),rgba(10,12,16,0))}
.section-head{display:flex;align-items:flex-end;justify-content:space-between;gap:20px;flex-wrap:wrap;margin-bottom:26px}
.eyebrow{display:inline-block;font-size:12px;font-weight:700;letter-spacing:.18em;color:var(--primary);text-transform:uppercase}
.section-head h2{margin-top:10px;font-size:clamp(22px,2.6vw,32px);font-weight:700;letter-spacing:-.01em}
.section-lead{margin-top:12px;font-size:15px;color:var(--text-2);max-width:72ch}
.link-more{display:inline-flex;align-items:center;gap:6px;font-size:14px;font-weight:600;color:var(--primary)}
.link-more span{transition:transform .2s var(--ease)}
.link-more:hover span{transform:translateX(3px)}
.link-more:hover{text-decoration:underline;text-underline-offset:4px}

/* ---------- 首条大卡 ---------- */
.feature-card{
  display:grid;grid-template-columns:1fr;overflow:hidden;
  background:var(--bg-elev-1);border:1px solid var(--line);border-radius:var(--radius);
  box-shadow:var(--shadow);
  transition:border-color .2s var(--ease),transform .2s var(--ease),box-shadow .2s var(--ease);
}
.feature-card:hover{border-color:var(--line-hover);transform:translateY(-2px);box-shadow:var(--shadow-hover)}
@media(min-width:900px){.feature-card{grid-template-columns:1.15fr 1fr}}
.feature-media{position:relative;aspect-ratio:16/9;overflow:hidden;background:var(--bg-elev-2)}
.feature-media img{width:100%;height:100%;object-fit:cover;transition:transform .45s var(--ease)}
.feature-card:hover .feature-media img{transform:scale(1.03)}
.feature-media .tag{position:absolute;top:14px;left:14px}
.feature-body{padding:26px 24px;display:flex;flex-direction:column;gap:14px}
.feature-body h3{font-size:clamp(19px,2vw,24px);font-weight:700;letter-spacing:-.01em;line-height:1.35}
.feature-body p{font-size:14.5px;color:var(--text-2)}
.dot-list{display:flex;flex-direction:column;gap:8px}
.dot-list li{position:relative;padding-left:18px;font-size:14px;color:var(--text-2)}
.dot-list li::before{content:"";position:absolute;left:0;top:11px;width:6px;height:6px;border-radius:50%;background:var(--primary)}
.feature-foot{
  margin-top:auto;display:flex;align-items:center;justify-content:space-between;gap:14px;flex-wrap:wrap;
  padding-top:16px;border-top:1px solid var(--line);
}
.meta{font-size:13px;color:var(--text-3);font-variant-numeric:tabular-nums}

/* ---------- 卡片网格 ---------- */
.card-grid{display:grid;gap:20px;grid-template-columns:1fr}
@media(min-width:640px){.card-grid{grid-template-columns:repeat(2,1fr)}}
@media(min-width:1024px){.card-grid{grid-template-columns:repeat(3,1fr)}}
.card{
  display:flex;flex-direction:column;overflow:hidden;
  background:var(--bg-elev-1);border:1px solid var(--line);border-radius:var(--radius);
  box-shadow:var(--shadow);
  transition:border-color .2s var(--ease),transform .2s var(--ease),box-shadow .2s var(--ease);
}
.card:hover{border-color:var(--line-hover);transform:translateY(-2px);box-shadow:var(--shadow-hover)}
.card-media{position:relative;aspect-ratio:16/9;overflow:hidden;background:var(--bg-elev-2)}
.card-media img{width:100%;height:100%;object-fit:cover;transition:transform .45s var(--ease)}
.card:hover .card-media img{transform:scale(1.04)}
.card-media .tag{position:absolute;top:12px;left:12px}
.card-body{padding:18px;display:flex;flex-direction:column;gap:10px;flex:1}
.card-body h3{font-size:17.5px;font-weight:600;line-height:1.45}
.card-body p{font-size:14px;color:var(--text-2);line-height:1.65}
.card-foot{
  margin-top:auto;display:flex;align-items:center;justify-content:space-between;gap:10px;
  padding-top:12px;border-top:1px solid var(--line);font-size:12.5px;color:var(--text-3);
  font-variant-numeric:tabular-nums;
}
.card-foot i{font-style:normal;color:var(--primary);font-weight:700}

/* ---------- 流程 ---------- */
.steps{display:grid;gap:18px;grid-template-columns:1fr}
@media(min-width:640px){.steps{grid-template-columns:repeat(2,1fr)}}
@media(min-width:1024px){.steps{grid-template-columns:repeat(4,1fr)}}
.step{
  background:var(--bg-elev-1);border:1px solid var(--line);border-radius:var(--radius);
  padding:22px 20px;transition:border-color .2s var(--ease),transform .2s var(--ease);
}
.step:hover{border-color:var(--line-hover);transform:translateY(-2px)}
.step-num{
  display:block;font-size:28px;font-weight:800;line-height:1;
  color:transparent;-webkit-text-stroke:1px rgba(255,194,75,.8);
  font-variant-numeric:tabular-nums;margin-bottom:12px;
}
.step h3{font-size:16.5px;font-weight:600;margin-bottom:8px}
.step p{font-size:14px;color:var(--text-2)}

/* ---------- 适用场景 ---------- */
.audience{display:grid;gap:20px;grid-template-columns:1fr}
@media(min-width:768px){.audience{grid-template-columns:repeat(3,1fr)}}
.audience-card{
  background:var(--bg-elev-1);border:1px solid var(--line);border-radius:var(--radius);
  padding:24px 22px;display:flex;flex-direction:column;gap:12px;
}
.audience-card h3{font-size:17px;font-weight:600}
.audience-card p{font-size:14px;color:var(--text-2)}
.audience-icon{
  width:44px;height:44px;border-radius:12px;display:grid;place-items:center;
  background:rgba(18,226,154,.12);border:1px solid rgba(18,226,154,.28);color:var(--primary);
}
.audience-card:nth-child(2) .audience-icon{background:rgba(255,92,122,.12);border-color:rgba(255,92,122,.3);color:#FF9AAC}
.audience-card:nth-child(3) .audience-icon{background:rgba(255,194,75,.12);border-color:rgba(255,194,75,.3);color:var(--gold)}
.audience-card ul{display:flex;flex-direction:column;gap:6px;margin-top:2px}
.audience-card ul li{font-size:13.5px;color:var(--text-3);position:relative;padding-left:16px}
.audience-card ul li::before{content:"›";position:absolute;left:2px;color:var(--primary)}

/* ---------- FAQ ---------- */
.faq{max-width:880px;margin:0 auto;border-top:1px solid var(--line)}
.faq-item{border-bottom:1px solid var(--line)}
.faq-item summary{
  list-style:none;cursor:pointer;display:flex;align-items:center;justify-content:space-between;gap:16px;
  padding:20px 4px;font-size:16px;font-weight:600;color:var(--text-1);min-height:60px;
}
.faq-item summary::-webkit-details-marker{display:none}
.faq-item summary::after{
  content:"+";flex:none;color:var(--primary);font-size:20px;font-weight:600;line-height:1;
  transition:transform .2s var(--ease);
}
.faq-item[open] summary::after{content:"−"}
.faq-item summary:hover{color:var(--primary)}
.faq-item p{padding:0 4px 22px;font-size:15px;color:var(--text-2);max-width:72ch}

/* ---------- CTA ---------- */
.cta-band{
  position:relative;overflow:hidden;border-radius:18px;border:1px solid var(--line);
  background:rgba(18,226,154,.07);padding:34px 26px;
}
.cta-band::before{
  content:"";position:absolute;inset:0;pointer-events:none;opacity:.5;
  background-image:linear-gradient(rgba(255,255,255,.05) 1px,transparent 1px),
                   linear-gradient(90deg,rgba(255,255,255,.05) 1px,transparent 1px);
  background-size:32px 32px;
}
.cta-grid{position:relative;z-index:2;display:grid;gap:26px;grid-template-columns:1fr;align-items:center}
@media(min-width:960px){.cta-grid{grid-template-columns:1fr 1fr}}
.cta-grid h2{font-size:clamp(21px,2.5vw,30px);font-weight:700;letter-spacing:-.01em}
.cta-grid p{margin-top:12px;font-size:14.5px;color:var(--text-2);max-width:52ch}
.sub-form{display:flex;gap:10px;flex-wrap:wrap}
.sub-form input{
  flex:1 1 240px;height:48px;padding:0 16px;border-radius:var(--radius-sm);
  background:rgba(10,12,16,.85);border:1px solid var(--line);color:var(--text-1);
  font-size:14.5px;outline:none;transition:border-color .2s var(--ease),box-shadow .2s var(--ease);
}
.sub-form input::placeholder{color:var(--text-3)}
.sub-form input:focus{border-color:var(--primary);box-shadow:0 0 0 4px rgba(18,226,154,.16)}
.form-hint{margin-top:10px;font-size:12.5px;color:var(--text-3)}
.form-msg{margin-top:10px;font-size:13px;color:var(--primary);min-height:18px}

/* ---------- 页脚 ---------- */
.site-footer{border-top:1px solid var(--line);background:#080A0E;margin-top:20px}
.foot-grid{display:grid;gap:30px;grid-template-columns:1fr;padding:52px 0 34px}
@media(min-width:768px){.foot-grid{grid-template-columns:1.6fr 1fr 1fr 1fr;gap:26px}}
.foot-brand p{margin-top:14px;font-size:14px;color:var(--text-2);max-width:36ch}
.foot-search{
  margin-top:18px;height:42px;max-width:320px;display:flex;align-items:center;gap:8px;
  background:var(--bg-elev-1);border:1px solid var(--line);border-radius:11px;padding:0 12px;
  transition:border-color .2s var(--ease),box-shadow .2s var(--ease);
}
.foot-search:focus-within{border-color:var(--primary);box-shadow:0 0 0 4px rgba(18,226,154,.14)}
.foot-search input{flex:1;background:transparent;border:0;outline:none;color:var(--text-1);font-size:13.5px;min-width:0}
.foot-search input::placeholder{color:var(--text-3)}
.foot-col h4{font-size:14px;font-weight:700;letter-spacing:.02em;margin-bottom:14px}
.foot-col ul{display:flex;flex-direction:column;gap:10px}
.foot-col a{font-size:14px;color:var(--text-2);transition:color .2s var(--ease)}
.foot-col a:hover{color:var(--primary)}
.foot-bottom{
  display:flex;align-items:center;justify-content:space-between;gap:14px;flex-wrap:wrap;
  padding:18px 0 26px;border-top:1px solid var(--line);font-size:12.5px;color:var(--text-3);
  font-variant-numeric:tabular-nums;
}
.foot-bottom nav{display:flex;gap:16px;flex-wrap:wrap}
.foot-bottom nav a:hover{color:var(--primary)}

/* ---------- 响应式导航 ---------- */
@media(max-width:1023px){
  .header-inner{gap:12px}
  .nav-search{display:none}
  .nav-main{display:none}
  .header-actions{margin-left:auto}
  .menu-toggle{display:grid}
}
@media(min-width:1024px){
  .mobile-drawer{display:none!important}
}
@media(max-width:520px){
  .logo-text{font-size:15px}
  .logo-text small{letter-spacing:.16em}
  .header-inner{min-height:62px}
  .filter-bar{top:62px}
  .hero-actions .btn{flex:1 1 auto}
  .feature-body{padding:20px 18px}
  .cta-band{padding:26px 18px;border-radius:14px}
  .foot-grid{padding:40px 0 26px}
}
@media(prefers-reduced-motion:reduce){
  html{scroll-behavior:auto}
  *,*::before,*::after{transition:none!important;animation:none!important}
  .card:hover,.feature-card:hover,.step:hover{transform:none}
}

/* roulang page: category3 */
:root{
    --bg:#0A0C10;
    --bg-elev-1:#11151B;
    --bg-elev-2:#171C24;
    --paper:#F6F5F1;
    --primary:#12E29A;
    --primary-ink:#04231A;
    --accent:#FF5C7A;
    --gold:#FFC24B;
    --text-1:#F2F6F8;
    --text-2:#A8B3BE;
    --text-3:#6C7784;
    --line:rgba(255,255,255,.08);
    --line-hover:rgba(18,226,154,.45);
    --radius:14px;
    --radius-sm:12px;
    --shadow:0 10px 28px rgba(0,0,0,.45);
    --shadow-lg:0 18px 44px rgba(0,0,0,.6);
    --ease:cubic-bezier(.4,0,.2,1);
    --nav-h:68px;
  }

  *,*::before,*::after{box-sizing:border-box}
  html{-webkit-text-size-adjust:100%}
  body{
    margin:0;
    background:var(--bg);
    color:var(--text-1);
    font-family:system-ui,"PingFang SC","Microsoft YaHei","Noto Sans SC",sans-serif;
    font-size:16px;
    line-height:1.75;
    -webkit-font-smoothing:antialiased;
    overflow-x:hidden;
  }
  a{color:inherit;text-decoration:none}
  img{display:block;max-width:100%;height:auto}
  button,input,select{font:inherit;color:inherit}
  h1,h2,h3,h4,p,ul,ol,figure{margin:0}
  ul,ol{padding:0;list-style:none}
  :focus-visible{outline:2px solid var(--primary);outline-offset:2px;border-radius:6px}
  ::selection{background:rgba(18,226,154,.3)}

  .container{width:100%;max-width:1280px;margin:0 auto;padding-left:16px;padding-right:16px}
  @media (min-width:640px){.container{padding-left:24px;padding-right:24px}}
  @media (min-width:1024px){.container{padding-left:32px;padding-right:32px}}

  /* ---------- header ---------- */
  .site-header{
    position:sticky;top:0;z-index:60;
    background:rgba(10,12,16,.74);
    backdrop-filter:blur(14px);
    -webkit-backdrop-filter:blur(14px);
    border-bottom:1px solid var(--line);
    transition:background .25s var(--ease);
  }
  .site-header.is-scrolled{background:rgba(10,12,16,.95)}
  .header-inner{position:relative;display:flex;align-items:center;gap:16px;min-height:var(--nav-h)}
  .logo{display:inline-flex;align-items:center;gap:10px;flex:0 0 auto}
  .logo-mark{
    width:36px;height:36px;border-radius:11px;
    display:grid;place-items:center;
    background:linear-gradient(135deg,var(--primary),#0BAE79);
    color:var(--primary-ink);font-weight:800;font-size:15px;letter-spacing:-.03em;
    box-shadow:0 6px 18px rgba(18,226,154,.24);
  }
  .logo-text{display:flex;flex-direction:column;font-weight:700;font-size:15px;line-height:1.15;letter-spacing:-.01em;white-space:nowrap}
  .logo-text small{font-size:9.5px;letter-spacing:.18em;color:var(--text-3);font-weight:600;margin-top:2px}

  .nav-search{
    position:relative;display:flex;align-items:center;gap:8px;
    flex:1 1 auto;max-width:440px;margin:0 auto;
    background:var(--bg-elev-1);
    border:1px solid var(--line);
    border-radius:12px;
    padding:9px 12px;
    transition:border-color .2s var(--ease),box-shadow .2s var(--ease);
  }
  .nav-search:focus-within{border-color:var(--primary);box-shadow:0 0 0 4px rgba(18,226,154,.14)}
  .nav-search input{flex:1 1 auto;min-width:0;background:none;border:0;outline:none;font-size:14px;color:var(--text-1)}
  .nav-search input::placeholder{color:var(--text-3)}
  .nav-search-hot{
    flex:0 0 auto;font-size:11.5px;font-weight:700;color:var(--primary);
    border:1px solid rgba(18,226,154,.35);background:rgba(18,226,154,.1);
    border-radius:999px;padding:2px 9px;cursor:default;
  }

  .nav-main{display:flex;align-items:center;gap:2px;flex:0 0 auto}
  .nav-link{
    position:relative;display:inline-block;
    padding:9px 12px;border-radius:10px;
    font-size:14.5px;font-weight:600;color:var(--text-2);
    transition:color .2s var(--ease),background .2s var(--ease);
    white-space:nowrap;
  }
  .nav-link:hover{color:var(--text-1);background:rgba(255,255,255,.06)}
  .nav-link::after{
    content:"";position:absolute;left:12px;right:12px;bottom:2px;height:2px;border-radius:2px;
    background:var(--primary);transform:scaleX(0);transform-origin:left;
    transition:transform .2s var(--ease);
  }
  .nav-link.is-active{color:var(--primary)}
  .nav-link.is-active::after{transform:scaleX(1)}

  .btn{
    display:inline-flex;align-items:center;justify-content:center;gap:8px;
    height:44px;padding:0 20px;border-radius:12px;
    font-size:14.5px;font-weight:700;cursor:pointer;border:1px solid transparent;
    transition:all .2s var(--ease);text-align:center;white-space:nowrap;
  }
  .btn-primary{background:var(--primary);color:var(--primary-ink)}
  .btn-primary:hover{filter:brightness(1.06);box-shadow:0 0 0 4px rgba(18,226,154,.16)}
  .btn-primary:active{transform:translateY(1px);box-shadow:none;filter:none}
  .btn-ghost{background:transparent;border-color:var(--line);color:var(--text-1)}
  .btn-ghost:hover{border-color:var(--line-hover);background:rgba(18,226,154,.08)}
  .btn-ghost:active{transform:translateY(1px)}

  .header-cta{flex:0 0 auto}
  .nav-toggle,.nav-search-toggle{
    display:none;width:42px;height:42px;flex:0 0 auto;
    align-items:center;justify-content:center;gap:4px;flex-direction:column;
    background:var(--bg-elev-1);border:1px solid var(--line);border-radius:11px;cursor:pointer;
    transition:border-color .2s var(--ease),background .2s var(--ease);
  }
  .nav-toggle:hover,.nav-search-toggle:hover{border-color:var(--line-hover);background:rgba(18,226,154,.08)}
  .nav-toggle span{display:block;width:16px;height:1.8px;border-radius:2px;background:var(--text-1);transition:transform .2s var(--ease),opacity .2s var(--ease)}
  .nav-toggle[aria-expanded="true"] span:nth-child(1){transform:translateY(5.8px) rotate(45deg)}
  .nav-toggle[aria-expanded="true"] span:nth-child(2){opacity:0}
  .nav-toggle[aria-expanded="true"] span:nth-child(3){transform:translateY(-5.8px) rotate(-45deg)}

  /* ---------- hero ---------- */
  .cat-hero{position:relative;overflow:hidden;border-bottom:1px solid var(--line)}
  .cat-hero-bg{
    position:absolute;inset:0;
    background-image:url("/assets/images/backpic/back-3.webp");
    background-size:cover;background-position:center;
    transform:scale(1.02);
  }
  .cat-hero-bg::after{
    content:"";position:absolute;inset:0;
    background:
      linear-gradient(90deg,rgba(10,12,16,.95) 0%,rgba(10,12,16,.82) 40%,rgba(10,12,16,.42) 100%),
      linear-gradient(0deg,rgba(10,12,16,.96) 0%,rgba(10,12,16,0) 62%);
  }
  .cat-hero-inner{position:relative;z-index:1;max-width:800px;padding:88px 0 40px}
  .cat-hero h1{
    font-size:clamp(28px,4.2vw,46px);
    font-weight:800;letter-spacing:-.02em;line-height:1.2;margin:16px 0 14px;
  }
  .cat-hero-sub{color:var(--text-2);font-size:15.5px;max-width:62ch}
  .hero-stats{
    display:flex;flex-wrap:wrap;gap:34px;
    margin-top:28px;padding-top:20px;border-top:1px solid var(--line);
  }
  .hero-stats li{display:flex;flex-direction:column;gap:3px}
  .hero-stats strong{font-size:20px;font-weight:800;font-variant-numeric:tabular-nums;letter-spacing:-.01em}
  .hero-stats span{font-size:13px;color:var(--text-3)}

  .badge{
    display:inline-flex;align-items:center;gap:6px;
    font-size:12.5px;font-weight:700;padding:4px 11px;border-radius:999px;
    border:1px solid var(--line);background:rgba(255,255,255,.04);color:var(--text-2);
    letter-spacing:.01em;
  }
  .badge-primary{color:var(--primary);border-color:rgba(18,226,154,.35);background:rgba(18,226,154,.1)}
  .badge-gold{color:var(--gold);border-color:rgba(255,194,75,.35);background:rgba(255,194,75,.1)}
  .badge-accent{color:var(--accent);border-color:rgba(255,92,122,.35);background:rgba(255,92,122,.1)}

  /* ---------- filter bar ---------- */
  .filter-bar{
    position:sticky;top:var(--nav-h);z-index:50;
    background:rgba(10,12,16,.92);
    backdrop-filter:blur(10px);-webkit-backdrop-filter:blur(10px);
    border-bottom:1px solid var(--line);
  }
  .filter-inner{display:flex;align-items:center;gap:16px;padding:12px 0;overflow-x:auto;scrollbar-width:none}
  .filter-inner::-webkit-scrollbar{display:none}
  .chips{display:flex;align-items:center;gap:8px;flex:0 0 auto}
  .chip{
    border:1px solid var(--line);background:transparent;color:var(--text-2);
    border-radius:999px;padding:7px 15px;font-size:13.5px;font-weight:600;
    white-space:nowrap;cursor:pointer;transition:all .2s var(--ease);
  }
  .chip:hover{color:var(--text-1);border-color:var(--line-hover)}
  .chip.is-on{background:var(--primary);border-color:var(--primary);color:var(--primary-ink)}
  .filter-tools{display:flex;align-items:center;gap:10px;margin-left:auto;flex:0 0 auto}
  .select-wrap{position:relative;display:inline-flex;align-items:center}
  .select-wrap select{
    appearance:none;-webkit-appearance:none;
    background:var(--bg-elev-1);border:1px solid var(--line);border-radius:10px;
    color:var(--text-1);font-size:13.5px;padding:9px 34px 9px 13px;cursor:pointer;
    transition:border-color .2s var(--ease);
  }
  .select-wrap select:hover{border-color:var(--line-hover)}
  .select-wrap::after{
    content:"";position:absolute;right:13px;top:50%;width:7px;height:7px;
    border-right:1.6px solid var(--text-3);border-bottom:1.6px solid var(--text-3);
    transform:translateY(-70%) rotate(45deg);pointer-events:none;
  }
  .view-switch{display:flex;gap:4px;background:var(--bg-elev-1);border:1px solid var(--line);border-radius:11px;padding:4px}
  .view-btn{
    width:32px;height:30px;display:grid;place-items:center;border:0;border-radius:8px;
    background:transparent;color:var(--text-3);cursor:pointer;transition:all .2s var(--ease);
  }
  .view-btn:hover{color:var(--text-1);background:rgba(255,255,255,.06)}
  .view-btn.is-on{background:rgba(18,226,154,.14);color:var(--primary)}

  /* ---------- sections ---------- */
  .sec{padding:56px 0}
  @media (min-width:768px){.sec{padding:76px 0}}
  .sec-tight{padding-top:44px}
  .sec-alt{background:var(--bg-elev-1);border-top:1px solid var(--line);border-bottom:1px solid var(--line)}
  .sec-head{display:flex;align-items:flex-end;justify-content:space-between;gap:20px;margin-bottom:26px;flex-wrap:wrap}
  .sec-title{font-size:clamp(22px,2.6vw,30px);font-weight:700;letter-spacing:-.015em;line-height:1.3}
  .sec-sub{color:var(--text-2);font-size:14.5px;margin-top:8px;max-width:64ch}

  .link-arrow{display:inline-flex;align-items:center;gap:6px;color:var(--primary);font-size:14px;font-weight:700;position:relative;padding-bottom:3px}
  .link-arrow svg{transition:transform .2s var(--ease)}
  .link-arrow::after{content:"";position:absolute;left:0;right:0;bottom:0;height:1px;background:currentColor;transform:scaleX(0);transform-origin:left;transition:transform .2s var(--ease)}
  .link-arrow:hover svg{transform:translateX(3px)}
  .link-arrow:hover::after{transform:scaleX(1)}

  /* ---------- guide list (compact rows) ---------- */
  .guide-list{display:flex;flex-direction:column}
  .guide-row{
    display:grid;grid-template-columns:228px 1fr;gap:22px;align-items:start;
    padding:20px 14px;margin:0 -14px;border-radius:14px;
    transition:background .2s var(--ease);
  }
  .guide-list > .guide-row + .guide-row{border-top:1px solid var(--line);border-radius:14px}
  .guide-row:hover{background:rgba(255,255,255,.03)}
  .guide-row:hover .guide-title{color:var(--primary)}
  .guide-thumb{
    position:relative;aspect-ratio:16/9;border-radius:12px;overflow:hidden;
    background:var(--bg-elev-2);border:1px solid var(--line);
  }
  .guide-thumb img{width:100%;height:100%;object-fit:cover;transition:transform .45s var(--ease)}
  .guide-row:hover .guide-thumb img{transform:scale(1.05)}
  .guide-body{min-width:0}
  .guide-title{font-size:18px;font-weight:600;line-height:1.42;letter-spacing:-.01em;transition:color .2s var(--ease)}
  .guide-desc{
    color:var(--text-2);font-size:14.5px;line-height:1.7;margin-top:7px;
    display:-webkit-box;-webkit-line-clamp:1;-webkit-box-orient:vertical;overflow:hidden;
  }
  .guide-meta{display:flex;flex-wrap:wrap;align-items:center;gap:8px 16px;margin-top:12px;font-size:13px;color:var(--text-3);font-variant-numeric:tabular-nums}
  .guide-meta .dot{width:3px;height:3px;border-radius:50%;background:var(--text-3);display:inline-block}

  .pager{display:flex;flex-wrap:wrap;align-items:center;gap:8px;justify-content:center;margin-top:36px}
  .page-num,.page-btn{
    min-width:40px;height:40px;display:inline-flex;align-items:center;justify-content:center;
    padding:0 12px;border-radius:10px;border:1px solid var(--line);
    background:var(--bg-elev-1);color:var(--text-2);font-size:14px;font-weight:600;
    transition:all .2s var(--ease);
  }
  .page-num:hover,.page-btn:hover{color:var(--text-1);border-color:var(--line-hover);background:rgba(18,226,154,.07)}
  .page-num.is-on{background:var(--primary);border-color:var(--primary);color:var(--primary-ink)}
  .page-btn[aria-disabled="true"]{opacity:.45;pointer-events:none}
  .page-dots{color:var(--text-3);padding:0 2px}

  /* ---------- roadmap ---------- */
  .roadmap{display:grid;gap:18px;grid-template-columns:repeat(4,minmax(0,1fr))}
  .road-step{
    position:relative;background:var(--bg-elev-1);
    border:1px solid var(--line);border-radius:16px;padding:22px 20px 20px;
    transition:border-color .2s var(--ease),transform .2s var(--ease),box-shadow .2s var(--ease);
  }
  .sec-alt .road-step{background:var(--bg)}
  .road-step:hover{border-color:var(--line-hover);transform:translateY(-2px);box-shadow:var(--shadow)}
  .road-num{
    display:inline-block;font-size:26px;font-weight:800;letter-spacing:-.03em;
    color:transparent;-webkit-text-stroke:1px rgba(255,194,75,.65);line-height:1;margin-bottom:12px;
  }
  .road-step h3{font-size:16.5px;font-weight:700;letter-spacing:-.01em}
  .road-step p{color:var(--text-2);font-size:14px;margin-top:8px;min-height:72px}
  .road-bar{height:5px;border-radius:3px;background:rgba(255,255,255,.08);margin-top:14px;overflow:hidden}
  .road-bar span{display:block;height:100%;border-radius:3px;width:var(--p,50%);background:var(--c,var(--primary))}
  .road-time{display:inline-block;margin-top:10px;font-size:12.5px;color:var(--text-3);font-variant-numeric:tabular-nums}

  /* ---------- scene cards ---------- */
  .scene-grid{display:grid;gap:16px;grid-template-columns:repeat(4,minmax(0,1fr))}
  .scene-card{
    display:flex;flex-direction:column;gap:12px;
    background:var(--bg-elev-1);border:1px solid var(--line);border-radius:16px;
    padding:22px 20px;
    transition:border-color .2s var(--ease),transform .2s var(--ease),box-shadow .2s var(--ease);
  }
  .scene-card:hover{border-color:var(--line-hover);transform:translateY(-2px);box-shadow:var(--shadow)}
  .scene-icon{
    width:40px;height:40px;border-radius:12px;display:grid;place-items:center;
    background:rgba(18,226,154,.12);color:var(--primary);
  }
  .scene-card h3{font-size:16px;font-weight:700;letter-spacing:-.01em}
  .scene-card p{color:var(--text-2);font-size:13.5px;line-height:1.7}
  .scene-card .link-arrow{margin-top:auto;font-size:13.5px}

  /* ---------- FAQ ---------- */
  .faq-wrap{max-width:900px}
  .faq-list{border-top:1px solid var(--line);margin-top:8px}
  .faq-item{border-bottom:1px solid var(--line)}
  .faq-item summary{
    list-style:none;cursor:pointer;display:flex;align-items:center;justify-content:space-between;gap:18px;
    padding:19px 2px;font-size:16.5px;font-weight:600;letter-spacing:-.01em;
    transition:color .2s var(--ease);
  }
  .faq-item summary::-webkit-details-marker{display:none}
  .faq-item summary:hover{color:var(--primary)}
  .faq-icon{
    flex:0 0 auto;width:26px;height:26px;border-radius:50%;
    border:1px solid var(--line);display:grid;place-items:center;
    color:var(--primary);font-size:15px;line-height:1;
    transition:all .2s var(--ease);
  }
  .faq-item[open] .faq-icon{background:var(--primary);border-color:var(--primary);color:var(--primary-ink);transform:rotate(45deg)}
  .faq-body{padding:0 2px 20px;color:var(--text-2);font-size:14.5px;max-width:78ch}

  /* ---------- CTA ---------- */
  .cta-band{
    position:relative;overflow:hidden;
    border:1px solid rgba(18,226,154,.3);border-radius:18px;
    background:rgba(18,226,154,.08);
    padding:34px 32px;
    display:grid;grid-template-columns:1.05fr 1fr;gap:30px;align-items:center;
  }
  .cta-band::before{
    content:"";position:absolute;inset:0;opacity:.55;pointer-events:none;
    background-image:linear-gradient(rgba(255,255,255,.05) 1px,transparent 1px),linear-gradient(90deg,rgba(255,255,255,.05) 1px,transparent 1px);
    background-size:32px 32px;
  }
  .cta-copy,.cta-form{position:relative;z-index:1}
  .cta-copy h2{font-size:clamp(21px,2.3vw,27px);font-weight:700;letter-spacing:-.015em}
  .cta-copy p{color:var(--text-2);font-size:14.5px;margin-top:10px;max-width:46ch}
  .cta-field{display:flex;gap:10px}
  .cta-field input{
    flex:1 1 auto;min-width:0;height:48px;padding:0 16px;
    background:rgba(10,12,16,.62);border:1px solid var(--line);border-radius:12px;
    color:var(--text-1);font-size:14.5px;outline:none;
    transition:border-color .2s var(--ease),box-shadow .2s var(--ease);
  }
  .cta-field input::placeholder{color:var(--text-3)}
  .cta-field input:focus{border-color:var(--primary);box-shadow:0 0 0 4px rgba(18,226,154,.16)}
  .cta-field .btn{height:48px;flex:0 0 auto}
  .cta-note{font-size:12.5px;color:var(--text-3);margin-top:10px}

  /* ---------- footer ---------- */
  .site-footer{background:#080A0D;border-top:1px solid var(--line);padding-top:52px}
  .foot-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1fr;gap:32px;padding-bottom:38px}
  .foot-brand p{color:var(--text-2);font-size:14px;margin:16px 0 18px;max-width:34ch;line-height:1.7}
  .foot-search{
    display:flex;align-items:center;gap:8px;max-width:286px;
    background:var(--bg-elev-1);border:1px solid var(--line);border-radius:11px;
    padding:9px 12px;transition:border-color .2s var(--ease);
  }
  .foot-search:focus-within{border-color:var(--primary)}
  .foot-search input{flex:1 1 auto;min-width:0;background:none;border:0;outline:none;font-size:13.5px;color:var(--text-1)}
  .foot-search input::placeholder{color:var(--text-3)}
  .foot-col h4{font-size:14px;font-weight:700;letter-spacing:.01em;margin-bottom:14px}
  .foot-col ul{display:flex;flex-direction:column;gap:10px}
  .foot-col a{color:var(--text-2);font-size:14px;transition:color .2s var(--ease)}
  .foot-col a:hover{color:var(--primary)}
  .foot-bottom{
    display:flex;flex-wrap:wrap;justify-content:space-between;gap:14px;
    border-top:1px solid var(--line);padding:18px 0 26px;
    color:var(--text-3);font-size:13px;
  }
  .foot-bottom nav{display:flex;flex-wrap:wrap;gap:18px}
  .foot-bottom nav a{transition:color .2s var(--ease)}
  .foot-bottom nav a:hover{color:var(--primary)}

  /* ---------- reveal ---------- */
  .reveal.reveal-init{opacity:0;transform:translateY(14px)}
  .reveal.reveal-init.is-in{opacity:1;transform:none;transition:opacity .5s ease-out,transform .5s ease-out}

  /* ---------- responsive ---------- */
  @media (max-width:1023px){
    .nav-search{display:none}
    .nav-main{display:none}
    .nav-search-toggle{display:grid}
    .header-inner{gap:10px}
    .header-cta{margin-left:auto}
    .nav-toggle{display:flex}
    .nav-main.is-open{
      display:flex;flex-direction:column;align-items:stretch;gap:4px;
      position:absolute;top:100%;left:-16px;right:-16px;
      background:var(--bg-elev-1);border-bottom:1px solid var(--line);
      padding:12px 16px 16px;box-shadow:var(--shadow-lg);
    }
    .nav-main.is-open .nav-link{padding:12px 14px;font-size:15px}
    .nav-main.is-open .nav-link::after{display:none}
    .nav-main.is-open .nav-link.is-active{background:rgba(18,226,154,.1)}
    .site-header.search-open .nav-search{
      display:flex;position:absolute;top:100%;left:-16px;right:-16px;
      max-width:none;margin:0;border-radius:0;border-left:0;border-right:0;
      padding:12px 16px;background:var(--bg-elev-1);box-shadow:var(--shadow-lg);
    }
    .roadmap{grid-template-columns:repeat(2,minmax(0,1fr))}
    .scene-grid{grid-template-columns:repeat(2,minmax(0,1fr))}
    .cta-band{grid-template-columns:1fr;padding:28px 24px}
    .foot-grid{grid-template-columns:1.4fr 1fr 1fr;gap:26px}
    .foot-brand{grid-column:1 / -1}
  }
  @media (max-width:767px){
    .cat-hero-inner{padding:64px 0 32px}
    .hero-stats{gap:22px 30px}
    .guide-row{grid-template-columns:1fr;gap:14px;padding:18px 12px;margin:0 -12px}
    .guide-desc{-webkit-line-clamp:2}
    .road-step p{min-height:0}
  }
  @media (max-width:600px){
    .roadmap{grid-template-columns:1fr}
    .scene-grid{grid-template-columns:1fr}
    .foot-grid{grid-template-columns:1fr 1fr}
    .sec-head{flex-direction:column;align-items:flex-start;gap:12px}
    .cta-field{flex-direction:column}
    .cta-field .btn{width:100%}
    .btn{height:48px}
    .cta-field input,.cta-field .btn{height:48px}
  }
  @media (max-width:420px){
    .logo-text{font-size:13.5px}
    .logo-text small{display:none}
    .foot-grid{grid-template-columns:1fr}
    .hero-stats{gap:18px 24px}
    .hero-stats strong{font-size:18px}
  }
  @media (prefers-reduced-motion: reduce){
    .reveal.reveal-init{opacity:1;transform:none}
    .guide-thumb img,.road-step,.scene-card,.btn,.chip{transition:none}
    .guide-row:hover .guide-thumb img{transform:none}
    .road-step:hover,.scene-card:hover{transform:none}
  }