/* roulang page: index */
:root{
      --bg:#0b0d12;
      --bg-2:#11151c;
      --card:#131922;
      --card-2:#171e29;
      --text:#f2f5f7;
      --muted:#98a3b3;
      --muted-2:#758191;
      --line:rgba(255,255,255,.08);
      --line-2:rgba(255,255,255,.14);
      --accent:#2fe0cf;
      --accent-2:#8d6dff;
      --accent-3:#ffb04d;
      --danger:#ff6a88;
      --shadow:0 20px 52px rgba(0,0,0,.34);
      --shadow-soft:0 12px 28px rgba(0,0,0,.22);
      --radius:18px;
      --radius-sm:12px;
      --container:1360px;
      --gap:24px;
      --header-h:86px;
    }

    *{box-sizing:border-box}
    html{scroll-behavior:smooth}
    body{
      margin:0;
      color:var(--text);
      background:
        radial-gradient(circle at top left, rgba(141,109,255,.16), transparent 24%),
        radial-gradient(circle at 88% 14%, rgba(47,224,207,.14), transparent 20%),
        radial-gradient(circle at 50% 100%, rgba(255,176,77,.08), transparent 22%),
        linear-gradient(180deg, #0a0d11 0%, #0d1117 44%, #090b10 100%);
      font-family:"PingFang SC","Hiragino Sans GB","Microsoft YaHei","Noto Sans SC",system-ui,-apple-system,BlinkMacSystemFont,"Segoe UI",sans-serif;
      line-height:1.7;
      letter-spacing:.2px;
      min-height:100vh;
      overflow-x:hidden;
    }
    body::before{
      content:"";
      position:fixed;
      inset:0;
      pointer-events:none;
      background:
        linear-gradient(transparent 0 97%, rgba(255,255,255,.03) 100%),
        linear-gradient(90deg, rgba(255,255,255,.02) 1px, transparent 1px);
      background-size:100% 3px, 120px 100%;
      opacity:.16;
      mix-blend-mode:screen;
      z-index:-1;
    }
    ::selection{background:rgba(47,224,207,.28);color:#fff}
    a{color:inherit;text-decoration:none}
    img{
      display:block;
      width:100%;
      height:auto;
      border:0;
    }
    button,input{
      font:inherit;
    }
    button{
      border:0;
      background:none;
      color:inherit;
      cursor:pointer;
    }
    input{
      border:0;
      outline:none;
      color:var(--text);
      background:transparent;
    }
    .container{
      width:min(var(--container), calc(100% - 40px));
      margin:0 auto;
    }
    .section{
      padding:78px 0;
      position:relative;
    }
    .section-tight{
      padding:42px 0 0;
    }
    .section-head{
      display:flex;
      justify-content:space-between;
      align-items:flex-end;
      gap:18px;
      margin-bottom:24px;
    }
    .section-head h2{
      margin:0;
      font-size:clamp(1.45rem, 2vw, 2.1rem);
      line-height:1.15;
      letter-spacing:.4px;
    }
    .section-head p{
      margin:0;
      color:var(--muted);
      max-width:62ch;
      font-size:.98rem;
    }
    .eyebrow{
      display:inline-flex;
      align-items:center;
      gap:8px;
      color:#dffef7;
      background:linear-gradient(135deg, rgba(47,224,207,.14), rgba(141,109,255,.12));
      border:1px solid rgba(47,224,207,.16);
      padding:8px 14px;
      border-radius:999px;
      font-size:.82rem;
      letter-spacing:.6px;
      margin-bottom:18px;
      box-shadow:var(--shadow-soft);
    }
    .eyebrow::before{
      content:"";
      width:8px;
      height:8px;
      border-radius:50%;
      background:var(--accent);
      box-shadow:0 0 0 6px rgba(47,224,207,.12);
    }

    .site-header{
      position:sticky;
      top:0;
      z-index:50;
      background:rgba(10,12,17,.68);
      backdrop-filter:blur(18px);
      border-bottom:1px solid rgba(255,255,255,.06);
      transition:all .25s ease;
    }
    .site-header.is-scrolled{
      background:rgba(10,12,17,.9);
      box-shadow:0 10px 30px rgba(0,0,0,.16);
    }
    .header-inner{
      min-height:var(--header-h);
      display:flex;
      align-items:center;
      gap:18px;
      padding:14px 0;
    }
    .brand{
      display:inline-flex;
      align-items:center;
      gap:12px;
      min-width:250px;
      flex:0 0 auto;
    }
    .brand-mark{
      width:46px;
      height:46px;
      border-radius:14px;
      background:
        linear-gradient(135deg, rgba(47,224,207,.16), rgba(141,109,255,.16)),
        linear-gradient(180deg, rgba(255,255,255,.06), rgba(255,255,255,.02));
      border:1px solid rgba(255,255,255,.09);
      display:grid;
      place-items:center;
      box-shadow:var(--shadow-soft);
      position:relative;
      overflow:hidden;
    }
    .brand-mark::after{
      content:"LOL";
      font-weight:800;
      font-size:.76rem;
      letter-spacing:1px;
      color:#dffef7;
    }
    .brand-text{
      display:flex;
      flex-direction:column;
      gap:2px;
      min-width:0;
    }
    .brand-text strong{
      font-size:1rem;
      line-height:1.1;
      letter-spacing:.3px;
      white-space:nowrap;
      overflow:hidden;
      text-overflow:ellipsis;
    }
    .brand-text span{
      color:var(--muted);
      font-size:.78rem;
    }
    .nav-wrap{
      display:flex;
      align-items:center;
      justify-content:space-between;
      gap:18px;
      flex:1;
    }
    .nav-list{
      list-style:none;
      display:flex;
      align-items:center;
      gap:10px;
      margin:0;
      padding:0;
    }
    .nav-list a{
      display:inline-flex;
      align-items:center;
      gap:8px;
      padding:10px 14px;
      border-radius:999px;
      color:var(--muted);
      border:1px solid transparent;
      transition:all .2s ease;
      font-size:.94rem;
      background:transparent;
    }
    .nav-list a:hover,
    .nav-list a:focus-visible{
      color:var(--text);
      border-color:rgba(255,255,255,.09);
      background:rgba(255,255,255,.03);
      transform:translateY(-1px);
      outline:none;
    }
    .nav-list a.active{
      color:#061015;
      background:linear-gradient(135deg, var(--accent), #8ff0e6);
      border-color:transparent;
      box-shadow:0 8px 20px rgba(47,224,207,.18);
      font-weight:700;
    }
    .nav-list a .mini-dot{
      width:7px;
      height:7px;
      border-radius:50%;
      background:var(--accent-2);
      box-shadow:0 0 0 4px rgba(141,109,255,.12);
    }
    .header-tools{
      display:flex;
      align-items:center;
      gap:12px;
      flex:0 0 auto;
    }
    .nav-search{
      display:flex;
      align-items:center;
      gap:8px;
      padding:8px 10px 8px 14px;
      min-width:280px;
      background:rgba(255,255,255,.03);
      border:1px solid rgba(255,255,255,.08);
      border-radius:999px;
      transition:all .2s ease;
    }
    .nav-search:focus-within{
      border-color:rgba(47,224,207,.22);
      box-shadow:0 0 0 4px rgba(47,224,207,.08);
      background:rgba(255,255,255,.045);
    }
    .nav-search input{
      width:100%;
      color:var(--text);
      font-size:.92rem;
    }
    .nav-search input::placeholder{
      color:var(--muted-2);
    }
    .btn{
      display:inline-flex;
      align-items:center;
      justify-content:center;
      gap:8px;
      border-radius:999px;
      padding:12px 18px;
      border:1px solid transparent;
      transition:all .2s ease;
      font-weight:700;
      letter-spacing:.2px;
      white-space:nowrap;
    }
    .btn:hover,
    .btn:focus-visible{
      transform:translateY(-1px);
      outline:none;
    }
    .btn-primary{
      color:#081015;
      background:linear-gradient(135deg, var(--accent), #8ff0e6);
      box-shadow:0 14px 28px rgba(47,224,207,.15);
    }
    .btn-primary:hover,
    .btn-primary:focus-visible{
      box-shadow:0 18px 34px rgba(47,224,207,.18), 0 0 0 4px rgba(47,224,207,.08);
    }
    .btn-ghost{
      color:var(--text);
      border-color:rgba(255,255,255,.1);
      background:rgba(255,255,255,.03);
    }
    .btn-ghost:hover,
    .btn-ghost:focus-visible{
      background:rgba(255,255,255,.06);
      border-color:rgba(255,255,255,.16);
    }
    .menu-toggle{
      display:none;
      width:44px;
      height:44px;
      border-radius:14px;
      border:1px solid rgba(255,255,255,.08);
      background:rgba(255,255,255,.03);
      color:var(--text);
      align-items:center;
      justify-content:center;
      padding:0;
    }
    .menu-toggle span{
      width:18px;
      height:2px;
      background:currentColor;
      position:relative;
      display:block;
      border-radius:99px;
    }
    .menu-toggle span::before,
    .menu-toggle span::after{
      content:"";
      position:absolute;
      left:0;
      width:18px;
      height:2px;
      background:currentColor;
      border-radius:99px;
    }
    .menu-toggle span::before{top:-6px}
    .menu-toggle span::after{top:6px}

    .hero{
      padding:44px 0 72px;
    }
    .hero-grid{
      display:grid;
      grid-template-columns:1.08fr .92fr;
      gap:26px;
      align-items:stretch;
      min-height:calc(100vh - var(--header-h) - 64px);
    }
    .hero-copy,
    .hero-visual{
      position:relative;
      overflow:hidden;
      border:1px solid rgba(255,255,255,.08);
      border-radius:calc(var(--radius) + 6px);
      background:
        linear-gradient(180deg, rgba(255,255,255,.04), rgba(255,255,255,.02)),
        rgba(255,255,255,.02);
      box-shadow:var(--shadow);
    }
    .hero-copy{
      padding:34px;
      display:flex;
      flex-direction:column;
      justify-content:space-between;
      gap:26px;
      background:
        linear-gradient(145deg, rgba(19,25,34,.96), rgba(16,20,27,.94)),
        url('/assets/images/backpic/back-1.webp') center/cover no-repeat;
    }
    .hero-copy::before,
    .hero-visual::before,
    .banner::before{
      content:"";
      position:absolute;
      inset:0;
      background:
        linear-gradient(180deg, rgba(8,10,14,.34), rgba(8,10,14,.8)),
        linear-gradient(90deg, rgba(10,14,20,.72), rgba(10,14,20,.18));
      pointer-events:none;
      z-index:0;
    }
    .hero-copy > *,
    .hero-visual > *,
    .banner > *{
      position:relative;
      z-index:1;
    }
    .hero-copy h1{
      margin:0;
      font-size:clamp(2.3rem, 4.4vw, 5.2rem);
      line-height:1.02;
      letter-spacing:-.7px;
      max-width:12ch;
    }
    .hero-copy p{
      margin:18px 0 0;
      max-width:56ch;
      color:#d8dfe8;
      font-size:1.05rem;
    }
    .hero-actions{
      display:flex;
      flex-wrap:wrap;
      gap:12px;
      margin-top:8px;
    }
    .hero-metrics{
      display:grid;
      grid-template-columns:repeat(4, minmax(0, 1fr));
      gap:12px;
    }
    .metric{
      padding:16px 16px 15px;
      border-radius:16px;
      border:1px solid rgba(255,255,255,.08);
      background:rgba(255,255,255,.03);
      box-shadow:inset 0 1px 0 rgba(255,255,255,.04);
    }
    .metric strong{
      display:block;
      font-size:1.1rem;
      line-height:1.1;
      margin-bottom:6px;
      color:#ffffff;
    }
    .metric span{
      color:var(--muted);
      font-size:.86rem;
    }
    .hero-visual{
      display:flex;
      flex-direction:column;
      min-height:100%;
      background:
        linear-gradient(180deg, rgba(15,19,25,.6), rgba(15,19,25,.88)),
        url('/assets/images/backpic/back-3.webp') center/cover no-repeat;
    }
    .visual-top{
      padding:18px 18px 0;
      display:flex;
      justify-content:space-between;
      align-items:flex-start;
      gap:10px;
    }
    .visual-badge{
      display:inline-flex;
      align-items:center;
      gap:8px;
      padding:8px 12px;
      border-radius:999px;
      background:rgba(255,255,255,.06);
      border:1px solid rgba(255,255,255,.09);
      color:#eef6fb;
      font-size:.82rem;
    }
    .visual-badge i{
      width:8px;
      height:8px;
      border-radius:50%;
      background:var(--accent-3);
      box-shadow:0 0 0 5px rgba(255,176,77,.14);
      display:inline-block;
    }
    .hero-frame{
      margin:16px 18px 18px;
      border-radius:24px;
      overflow:hidden;
      border:1px solid rgba(255,255,255,.08);
      position:relative;
      flex:1;
      min-height:480px;
      background:#111722;
      box-shadow:var(--shadow-soft);
    }
    .hero-frame img{
      width:100%;
      height:100%;
      object-fit:cover;
      object-position:center;
      filter:saturate(.95) contrast(1.03) brightness(.88);
      transform:scale(1.02);
    }
    .hero-frame::after{
      content:"";
      position:absolute;
      inset:0;
      background:
        linear-gradient(180deg, rgba(10,13,18,.08), rgba(10,13,18,.66)),
        radial-gradient(circle at 70% 20%, rgba(141,109,255,.18), transparent 26%),
        linear-gradient(90deg, rgba(10,13,18,.34), transparent 50%);
      pointer-events:none;
    }
    .hero-panel{
      position:absolute;
      left:18px;
      right:18px;
      bottom:18px;
      display:grid;
      grid-template-columns:1fr auto;
      gap:14px;
      align-items:end;
    }
    .hero-panel-card{
      padding:18px;
      border-radius:18px;
      border:1px solid rgba(255,255,255,.09);
      background:rgba(10,13,18,.72);
      backdrop-filter:blur(10px);
    }
    .hero-panel-card h3{
      margin:0 0 8px;
      font-size:1.05rem;
      line-height:1.2;
    }
    .hero-panel-card p{
      margin:0;
      color:#c8d0db;
      font-size:.94rem;
    }
    .chip-row{
      display:flex;
      flex-wrap:wrap;
      gap:8px;
    }
    .chip{
      display:inline-flex;
      align-items:center;
      gap:6px;
      padding:7px 11px;
      border-radius:999px;
      background:rgba(255,255,255,.05);
      border:1px solid rgba(255,255,255,.08);
      color:#eef4f8;
      font-size:.8rem;
      line-height:1;
    }
    .chip.accent{
      background:rgba(47,224,207,.12);
      border-color:rgba(47,224,207,.16);
      color:#dffef7;
    }
    .chip.purple{
      background:rgba(141,109,255,.12);
      border-color:rgba(141,109,255,.18);
      color:#f0eaff;
    }
    .chip.orange{
      background:rgba(255,176,77,.12);
      border-color:rgba(255,176,77,.18);
      color:#fff0de;
    }
    .mini-metrics{
      display:grid;
      gap:8px;
      min-width:178px;
    }
    .mini-box{
      padding:12px 14px;
      border-radius:16px;
      border:1px solid rgba(255,255,255,.09);
      background:rgba(255,255,255,.04);
      backdrop-filter:blur(10px);
    }
    .mini-box strong{
      display:block;
      font-size:1rem;
      margin-bottom:4px;
    }
    .mini-box span{
      color:var(--muted);
      font-size:.82rem;
    }

    .topic-grid{
      display:grid;
      grid-template-columns:repeat(12, minmax(0, 1fr));
      gap:var(--gap);
    }
    .topic-card{
      position:relative;
      overflow:hidden;
      border-radius:var(--radius);
      border:1px solid rgba(255,255,255,.08);
      background:linear-gradient(180deg, rgba(255,255,255,.04), rgba(255,255,255,.02));
      box-shadow:var(--shadow-soft);
      transition:transform .22s ease, border-color .22s ease, box-shadow .22s ease;
      min-height:210px;
    }
    .topic-card:hover{
      transform:translateY(-4px);
      border-color:rgba(47,224,207,.2);
      box-shadow:0 20px 40px rgba(0,0,0,.28);
    }
    .topic-card::before{
      content:"";
      position:absolute;
      inset:0;
      background:linear-gradient(180deg, rgba(10,13,18,.12), rgba(10,13,18,.82));
      z-index:1;
      pointer-events:none;
    }
    .topic-card .cover{
      position:absolute;
      inset:0;
      width:100%;
      height:100%;
      object-fit:cover;
      filter:brightness(.84) contrast(1.05) saturate(.92);
      transform:scale(1.02);
      transition:transform .3s ease;
    }
    .topic-card:hover .cover{
      transform:scale(1.07);
    }
    .topic-card .content{
      position:relative;
      z-index:2;
      height:100%;
      display:flex;
      flex-direction:column;
      justify-content:flex-end;
      padding:22px;
      gap:12px;
    }
    .topic-card h3{
      margin:0;
      font-size:1.35rem;
      line-height:1.18;
      max-width:14ch;
    }
    .topic-card p{
      margin:0;
      color:#d7dee7;
      font-size:.95rem;
      max-width:42ch;
    }
    .topic-card .meta{
      display:flex;
      flex-wrap:wrap;
      gap:8px;
      align-items:center;
    }
    .topic-card .meta .chip{
      background:rgba(6,9,13,.42);
    }
    .topic-large{grid-column:span 6; min-height:444px;}
    .topic-small{grid-column:span 3; min-height:210px;}
    .topic-small h3{font-size:1.14rem; max-width:10ch;}
    .topic-small p{font-size:.88rem}
    .topic-wide{
      grid-column:span 12;
      min-height:220px;
      display:grid;
      align-items:end;
    }
    .topic-wide .content{
      max-width:720px;
    }

    .cards-grid{
      display:grid;
      grid-template-columns:repeat(3, minmax(0, 1fr));
      gap:var(--gap);
    }
    .news-card{
      overflow:hidden;
      border-radius:var(--radius);
      border:1px solid rgba(255,255,255,.08);
      background:linear-gradient(180deg, rgba(255,255,255,.04), rgba(255,255,255,.02));
      box-shadow:var(--shadow-soft);
      transition:transform .22s ease, border-color .22s ease, box-shadow .22s ease;
    }
    .news-card:hover{
      transform:translateY(-4px);
      border-color:rgba(141,109,255,.18);
      box-shadow:0 20px 40px rgba(0,0,0,.28);
    }
    .news-card .thumb{
      position:relative;
      aspect-ratio:16/10;
      overflow:hidden;
      background:#111722;
    }
    .news-card .thumb::after{
      content:"";
      position:absolute;
      inset:0;
      background:linear-gradient(180deg, rgba(10,13,18,.02), rgba(10,13,18,.36));
      pointer-events:none;
    }
    .news-card .thumb img{
      width:100%;
      height:100%;
      object-fit:cover;
      filter:brightness(.88) contrast(1.03);
      transform:scale(1.02);
      transition:transform .32s ease;
    }
    .news-card:hover .thumb img{
      transform:scale(1.07);
    }
    .news-card .body{
      padding:22px;
      display:flex;
      flex-direction:column;
      gap:14px;
    }
    .news-card h3{
      margin:0;
      font-size:1.2rem;
      line-height:1.3;
      min-height:3.2em;
    }
    .news-card p{
      margin:0;
      color:var(--muted);
      font-size:.94rem;
      line-height:1.8;
      display:-webkit-box;
      -webkit-line-clamp:3;
      -webkit-box-orient:vertical;
      overflow:hidden;
      min-height:5.4em;
    }
    .card-meta{
      display:flex;
      flex-wrap:wrap;
      gap:10px;
      align-items:center;
      color:var(--muted-2);
      font-size:.85rem;
    }
    .card-meta span{
      display:inline-flex;
      align-items:center;
      gap:6px;
    }
    .card-actions{
      display:flex;
      gap:10px;
      margin-top:2px;
      flex-wrap:wrap;
    }
    .card-actions .btn{
      padding:10px 14px;
      font-size:.92rem;
    }

    .split-layout{
      display:grid;
      grid-template-columns:1.1fr .9fr;
      gap:var(--gap);
      align-items:start;
    }
    .faq-area,
    .info-area{
      border:1px solid rgba(255,255,255,.08);
      border-radius:var(--radius);
      background:linear-gradient(180deg, rgba(255,255,255,.04), rgba(255,255,255,.02));
      box-shadow:var(--shadow-soft);
      overflow:hidden;
    }
    .faq-area{
      padding:22px;
    }
    .faq-area .section-head{
      margin-bottom:18px;
    }
    details{
      border-top:1px solid rgba(255,255,255,.08);
      padding:16px 0;
    }
    details:first-of-type{
      border-top:0;
      padding-top:4px;
    }
    summary{
      list-style:none;
      cursor:pointer;
      display:flex;
      align-items:flex-start;
      justify-content:space-between;
      gap:18px;
      font-weight:700;
      line-height:1.45;
      color:#f6f8fb;
    }
    summary::-webkit-details-marker{display:none}
    summary::after{
      content:"+";
      width:28px;
      height:28px;
      flex:0 0 auto;
      border-radius:50%;
      display:grid;
      place-items:center;
      border:1px solid rgba(255,255,255,.08);
      color:var(--muted);
      background:rgba(255,255,255,.03);
      transition:transform .2s ease, background .2s ease, border-color .2s ease;
    }
    details[open] summary::after{
      content:"−";
      transform:rotate(180deg);
      background:rgba(47,224,207,.1);
      border-color:rgba(47,224,207,.16);
      color:#dffef7;
    }
    details p{
      margin:10px 0 0;
      color:var(--muted);
      font-size:.94rem;
      line-height:1.85;
      max-width:70ch;
    }
    .info-area{
      padding:22px;
      display:grid;
      gap:14px;
    }
    .info-box{
      padding:18px;
      border-radius:16px;
      border:1px solid rgba(255,255,255,.08);
      background:rgba(255,255,255,.03);
    }
    .info-box h3{
      margin:0 0 10px;
      font-size:1.02rem;
    }
    .info-box ul{
      margin:0;
      padding:0;
      list-style:none;
      display:grid;
      gap:10px;
    }
    .info-box li{
      display:flex;
      gap:10px;
      color:var(--muted);
      font-size:.94rem;
      line-height:1.6;
    }
    .info-box li::before{
      content:"";
      width:8px;
      height:8px;
      border-radius:50%;
      margin-top:.55em;
      background:var(--accent);
      box-shadow:0 0 0 4px rgba(47,224,207,.12);
      flex:0 0 auto;
    }
    .info-cta{
      display:grid;
      gap:12px;
      margin-top:4px;
    }

    .banner{
      position:relative;
      overflow:hidden;
      border-radius:calc(var(--radius) + 6px);
      border:1px solid rgba(255,255,255,.08);
      min-height:280px;
      box-shadow:var(--shadow);
      background:
        linear-gradient(180deg, rgba(10,13,18,.18), rgba(10,13,18,.82)),
        url('/assets/images/backpic/back-2.webp') center/cover no-repeat;
      display:grid;
      align-items:end;
    }
    .banner .banner-inner{
      padding:28px;
      display:flex;
      flex-wrap:wrap;
      justify-content:space-between;
      align-items:end;
      gap:16px;
    }
    .banner h2{
      margin:0 0 10px;
      font-size:clamp(1.5rem, 2.6vw, 2.4rem);
      line-height:1.1;
      max-width:18ch;
    }
    .banner p{
      margin:0;
      color:#dde5ef;
      max-width:58ch;
    }

    .trust-grid{
      display:grid;
      grid-template-columns:repeat(3, minmax(0, 1fr));
      gap:var(--gap);
    }
    .trust-card{
      padding:24px;
      border-radius:var(--radius);
      border:1px solid rgba(255,255,255,.08);
      background:linear-gradient(180deg, rgba(255,255,255,.04), rgba(255,255,255,.02));
      box-shadow:var(--shadow-soft);
    }
    .trust-card .num{
      display:block;
      font-size:2rem;
      font-weight:800;
      line-height:1;
      margin-bottom:10px;
      color:#fff;
    }
    .trust-card h3{
      margin:0 0 10px;
      font-size:1.05rem;
    }
    .trust-card p{
      margin:0;
      color:var(--muted);
      font-size:.94rem;
      line-height:1.85;
    }
    .notice{
      margin-top:var(--gap);
      padding:18px 20px;
      border-radius:18px;
      border:1px solid rgba(255,176,77,.18);
      background:linear-gradient(135deg, rgba(255,176,77,.08), rgba(141,109,255,.08));
      color:#f6f1e8;
      box-shadow:var(--shadow-soft);
    }
    .notice strong{
      color:#fff;
    }

    .site-footer{
      padding:34px 0 40px;
      border-top:1px solid rgba(255,255,255,.08);
      background:linear-gradient(180deg, rgba(10,12,17,.2), rgba(10,12,17,.86));
    }
    .footer-grid{
      display:grid;
      grid-template-columns:1.2fr .8fr .8fr;
      gap:24px;
      align-items:start;
    }
    .footer-brand{
      display:grid;
      gap:14px;
    }
    .footer-brand h3{
      margin:0;
      font-size:1.12rem;
    }
    .footer-brand p{
      margin:0;
      color:var(--muted);
      max-width:58ch;
      font-size:.94rem;
      line-height:1.8;
    }
    .footer-links{
      display:grid;
      gap:10px;
    }
    .footer-links h4{
      margin:0 0 6px;
      font-size:.98rem;
    }
    .footer-links a{
      display:inline-flex;
      width:fit-content;
      color:var(--muted);
      transition:color .2s ease, transform .2s ease;
    }
    .footer-links a:hover,
    .footer-links a:focus-visible{
      color:#fff;
      transform:translateX(2px);
      outline:none;
    }
    .footer-note{
      color:var(--muted);
      font-size:.9rem;
      line-height:1.8;
    }
    .copyright{
      margin-top:24px;
      padding-top:18px;
      border-top:1px solid rgba(255,255,255,.08);
      color:var(--muted-2);
      font-size:.88rem;
      display:flex;
      justify-content:space-between;
      gap:12px;
      flex-wrap:wrap;
    }

    .empty-state{
      display:none;
      margin-top:18px;
      padding:18px 20px;
      border-radius:16px;
      border:1px dashed rgba(255,255,255,.14);
      background:rgba(255,255,255,.02);
      color:var(--muted);
    }

    .label-row{
      display:flex;
      align-items:center;
      gap:10px;
      flex-wrap:wrap;
    }
    .label{
      display:inline-flex;
      align-items:center;
      gap:6px;
      padding:7px 11px;
      border-radius:999px;
      border:1px solid rgba(255,255,255,.08);
      background:rgba(255,255,255,.03);
      color:#eef4f8;
      font-size:.8rem;
    }
    .label::before{
      content:"";
      width:7px;
      height:7px;
      border-radius:50%;
      background:var(--accent-2);
      box-shadow:0 0 0 4px rgba(141,109,255,.12);
    }

    .subtle-divider{
      height:1px;
      background:linear-gradient(90deg, transparent, rgba(255,255,255,.12), transparent);
      margin:28px 0;
    }

    @media (max-width: 1280px){
      .hero-grid{grid-template-columns:1fr}
      .hero-frame{min-height:420px}
      .topic-large{grid-column:span 12}
      .topic-small{grid-column:span 4}
    }
    @media (max-width: 1024px){
      .cards-grid{grid-template-columns:repeat(2, minmax(0, 1fr))}
      .split-layout{grid-template-columns:1fr}
      .trust-grid{grid-template-columns:1fr}
      .footer-grid{grid-template-columns:1fr 1fr}
      .nav-search{min-width:220px}
      .hero-metrics{grid-template-columns:repeat(2, minmax(0, 1fr))}
    }
    @media (max-width: 900px){
      :root{--header-h:76px}
      .header-inner{flex-wrap:wrap}
      .nav-wrap{order:3; width:100%; flex-direction:column; align-items:stretch; display:none}
      .nav-wrap.open{display:flex}
      .nav-list{
        flex-wrap:wrap;
        gap:8px;
      }
      .nav-list a{width:100%; justify-content:center}
      .nav-search{width:100%; min-width:0}
      .header-tools{
        margin-left:auto;
      }
      .menu-toggle{
        display:inline-flex;
      }
      .brand{
        min-width:0;
      }
      .hero-copy{padding:24px}
      .topic-small{grid-column:span 6}
      .topic-grid{gap:18px}
    }
    @media (max-width: 768px){
      .section{padding:62px 0}
      .hero{padding-top:28px}
      .hero-copy h1{max-width:100%}
      .hero-actions .btn{flex:1 1 210px}
      .hero-metrics{grid-template-columns:1fr 1fr}
      .hero-panel{
        grid-template-columns:1fr;
      }
      .mini-metrics{
        min-width:0;
        grid-template-columns:repeat(2, minmax(0, 1fr));
      }
      .cards-grid{grid-template-columns:1fr}
      .footer-grid{grid-template-columns:1fr}
      .topic-large,
      .topic-small,
      .topic-wide{grid-column:span 12}
      .topic-card h3{max-width:100%}
      .section-head{
        align-items:flex-start;
        flex-direction:column;
      }
      .banner .banner-inner{
        padding:22px;
      }
    }
    @media (max-width: 520px){
      .container{width:min(var(--container), calc(100% - 28px))}
      .hero-copy{padding:20px}
      .hero-copy h1{font-size:clamp(2rem, 10vw, 3rem)}
      .hero-copy p{font-size:.98rem}
      .hero-metrics{grid-template-columns:1fr}
      .mini-metrics{grid-template-columns:1fr}
      .btn{width:100%}
      .hero-actions{flex-direction:column}
      .topic-card .content,
      .news-card .body,
      .trust-card,
      .info-area,
      .faq-area{padding:18px}
      .visual-top{padding:14px 14px 0}
      .hero-frame{margin:12px 14px 14px; min-height:360px}
      .banner h2{max-width:100%}
      .copyright{flex-direction:column}
    }

/* roulang page: category1 */
:root{
      --bg:#0b1016;
      --bg-soft:#0f141c;
      --panel:#121923;
      --panel-2:#171f2b;
      --panel-3:#1d2633;
      --text:#edf2f7;
      --muted:#97a6b8;
      --weak:#6f7c8d;
      --line:rgba(148,163,184,.18);
      --line-strong:rgba(148,163,184,.3);
      --primary:#17e6d1;
      --primary-2:#a06bff;
      --accent:#ffb347;
      --success:#42d392;
      --danger:#ff7a90;
      --shadow:0 18px 50px rgba(0,0,0,.28);
      --shadow-soft:0 12px 24px rgba(0,0,0,.16);
      --radius:18px;
      --radius-sm:12px;
      --container:1320px;
      --gap:24px;
      --header-h:88px;
    }

    *{box-sizing:border-box}
    html{scroll-behavior:smooth}
    body{
      margin:0;
      font-family: "PingFang SC","Hiragino Sans GB","Microsoft YaHei",Arial,sans-serif;
      background:
        radial-gradient(1200px 600px at 10% 0%, rgba(160,107,255,.14), transparent 55%),
        radial-gradient(900px 500px at 90% 10%, rgba(23,230,209,.12), transparent 52%),
        linear-gradient(180deg, #0b1016 0%, #0d1218 100%);
      color:var(--text);
      line-height:1.7;
      overflow-x:hidden;
      min-height:100vh;
    }
    body::before{
      content:"";
      position:fixed;
      inset:0;
      pointer-events:none;
      background:
        linear-gradient(rgba(255,255,255,.02), rgba(255,255,255,0)),
        radial-gradient(circle at 20% 20%, rgba(255,255,255,.03) 0 1px, transparent 1px 100%);
      background-size:100% 100%, 18px 18px;
      opacity:.45;
      mix-blend-mode:screen;
      z-index:-1;
    }

    img{max-width:100%;display:block}
    a{color:inherit;text-decoration:none}
    button,input{font:inherit}
    button{cursor:pointer}
    ::selection{background:rgba(23,230,209,.28);color:#fff}

    .container{
      width:min(var(--container), calc(100% - 32px));
      margin-inline:auto;
    }

    .site-header{
      position:sticky;
      top:0;
      z-index:1000;
      background:rgba(11,16,22,.78);
      border-bottom:1px solid rgba(148,163,184,.12);
      backdrop-filter: blur(16px);
      transition:all .24s ease;
    }
    .site-header.compact{
      background:rgba(11,16,22,.92);
      box-shadow:0 10px 40px rgba(0,0,0,.24);
    }
    .header-inner{
      min-height:var(--header-h);
      display:flex;
      align-items:center;
      gap:18px;
      padding:16px 0;
    }
    .brand{
      display:flex;
      align-items:center;
      gap:14px;
      min-width:0;
      flex:0 0 auto;
    }
    .brand-mark{
      width:44px;
      height:44px;
      border-radius:14px;
      background:
        linear-gradient(135deg, rgba(23,230,209,.95), rgba(160,107,255,.92));
      position:relative;
      box-shadow:0 0 0 1px rgba(255,255,255,.12) inset, 0 10px 25px rgba(23,230,209,.18);
    }
    .brand-mark::before,
    .brand-mark::after{
      content:"";
      position:absolute;
      inset:10px;
      border-radius:10px;
      border:1.5px solid rgba(255,255,255,.8);
      transform:skew(-10deg);
      opacity:.9;
    }
    .brand-mark::after{
      inset:15px 12px;
      opacity:.5;
    }
    .brand-text{
      display:flex;
      flex-direction:column;
      gap:3px;
      min-width:0;
    }
    .brand-text strong{
      font-size:15px;
      line-height:1.15;
      letter-spacing:.2px;
      white-space:nowrap;
      overflow:hidden;
      text-overflow:ellipsis;
    }
    .brand-text span{
      font-size:12px;
      color:var(--muted);
      white-space:nowrap;
      overflow:hidden;
      text-overflow:ellipsis;
    }

    .nav-wrap{
      display:flex;
      align-items:center;
      justify-content:space-between;
      gap:18px;
      flex:1 1 auto;
      min-width:0;
    }
    .nav-list{
      display:flex;
      align-items:center;
      gap:12px;
      list-style:none;
      margin:0;
      padding:0;
      flex-wrap:wrap;
    }
    .nav-list a{
      display:inline-flex;
      align-items:center;
      gap:8px;
      padding:11px 14px;
      border-radius:999px;
      color:var(--muted);
      border:1px solid transparent;
      transition:all .2s ease;
      white-space:nowrap;
    }
    .nav-list a:hover,
    .nav-list a:focus-visible{
      color:var(--text);
      border-color:var(--line);
      background:rgba(255,255,255,.03);
      outline:none;
      transform:translateY(-1px);
    }
    .nav-list a.active{
      color:#0b1016;
      background:linear-gradient(135deg, rgba(23,230,209,.98), rgba(160,107,255,.9));
      box-shadow:0 8px 20px rgba(23,230,209,.12);
    }
    .mini-dot{
      width:7px;
      height:7px;
      border-radius:50%;
      background:currentColor;
      display:inline-block;
      opacity:.95;
      box-shadow:0 0 12px currentColor;
    }
    .nav-list a.active .mini-dot{background:#0b1016; box-shadow:none; opacity:.7}

    .nav-search{
      display:flex;
      align-items:center;
      gap:10px;
      flex:0 0 auto;
      min-width:0;
    }
    .nav-search input{
      width:min(320px, 32vw);
      min-width:220px;
      height:44px;
      padding:0 14px;
      border-radius:14px;
      border:1px solid rgba(148,163,184,.22);
      background:rgba(18,25,35,.88);
      color:var(--text);
      outline:none;
      transition:all .2s ease;
    }
    .nav-search input::placeholder{color:#7e8a99}
    .nav-search input:focus{
      border-color:rgba(23,230,209,.72);
      box-shadow:0 0 0 4px rgba(23,230,209,.12);
    }

    .header-tools{
      display:flex;
      align-items:center;
      gap:10px;
      flex:0 0 auto;
    }
    .btn,
    .chip,
    .menu-toggle{
      border:0;
      outline:none;
      transition:all .2s ease;
    }
    .btn{
      display:inline-flex;
      align-items:center;
      justify-content:center;
      gap:8px;
      min-height:44px;
      padding:0 18px;
      border-radius:14px;
      font-weight:700;
      letter-spacing:.1px;
      border:1px solid transparent;
      white-space:nowrap;
    }
    .btn:hover,
    .btn:focus-visible{
      transform:translateY(-1px);
      outline:none;
    }
    .btn:active{transform:translateY(0)}
    .btn-primary{
      color:#081018;
      background:linear-gradient(135deg, rgba(23,230,209,1), rgba(160,107,255,.96));
      box-shadow:0 10px 24px rgba(23,230,209,.14);
    }
    .btn-primary:hover,
    .btn-primary:focus-visible{
      box-shadow:0 14px 28px rgba(23,230,209,.2), 0 0 0 4px rgba(23,230,209,.08);
    }
    .btn-ghost{
      color:var(--text);
      background:rgba(255,255,255,.03);
      border-color:rgba(148,163,184,.2);
    }
    .btn-ghost:hover,
    .btn-ghost:focus-visible{
      background:rgba(255,255,255,.06);
      border-color:rgba(23,230,209,.3);
    }

    .menu-toggle{
      display:none;
      width:46px;
      height:46px;
      border-radius:14px;
      background:rgba(255,255,255,.04);
      border:1px solid rgba(148,163,184,.18);
      padding:0;
      align-items:center;
      justify-content:center;
      flex-direction:column;
      gap:5px;
    }
    .menu-toggle span,
    .menu-toggle span::before,
    .menu-toggle span::after{
      display:block;
      width:18px;
      height:2px;
      border-radius:2px;
      background:var(--text);
      position:relative;
      transition:all .2s ease;
      content:"";
    }
    .menu-toggle span::before,
    .menu-toggle span::after{
      position:absolute;
      left:0;
    }
    .menu-toggle span::before{top:-6px}
    .menu-toggle span::after{top:6px}

    main{display:block}
    .section{
      padding:72px 0;
      position:relative;
    }
    .section:first-of-type{padding-top:44px}

    .eyebrow{
      display:inline-flex;
      align-items:center;
      gap:8px;
      padding:7px 12px;
      border-radius:999px;
      background:rgba(23,230,209,.1);
      border:1px solid rgba(23,230,209,.16);
      color:#8cf3ea;
      font-size:12px;
      font-weight:700;
      letter-spacing:.18em;
      text-transform:uppercase;
    }
    .eyebrow::before{
      content:"";
      width:8px;
      height:8px;
      border-radius:50%;
      background:var(--primary);
      box-shadow:0 0 10px rgba(23,230,209,.75);
    }

    .hero{
      padding-top:34px;
    }
    .hero-grid{
      display:grid;
      grid-template-columns:minmax(0, 1.05fr) minmax(320px, .95fr);
      gap:28px;
      align-items:stretch;
    }
    .hero-copy{
      padding:14px 0 10px;
    }
    .crumbs{
      display:flex;
      flex-wrap:wrap;
      align-items:center;
      gap:8px;
      color:var(--muted);
      font-size:13px;
      margin-bottom:18px;
    }
    .crumbs a{
      color:var(--muted);
      transition:color .2s ease;
    }
    .crumbs a:hover{color:var(--text)}
    .crumbs .slash{color:#566171}
    .hero-badges{
      display:flex;
      flex-wrap:wrap;
      gap:10px;
      margin-bottom:18px;
    }
    .tag{
      display:inline-flex;
      align-items:center;
      gap:7px;
      min-height:32px;
      padding:0 12px;
      border-radius:999px;
      background:rgba(255,255,255,.04);
      border:1px solid rgba(148,163,184,.16);
      color:var(--text);
      font-size:13px;
      white-space:nowrap;
    }
    .tag.primary{
      color:#091119;
      background:linear-gradient(135deg, rgba(23,230,209,1), rgba(160,107,255,.95));
      border-color:transparent;
    }
    .tag.accent{
      background:rgba(255,179,71,.12);
      border-color:rgba(255,179,71,.22);
      color:#ffd08b;
    }

    .hero h1{
      margin:0;
      font-size:clamp(34px, 4.5vw, 58px);
      line-height:1.08;
      letter-spacing:-.03em;
      max-width:12ch;
    }
    .hero-lead{
      margin:18px 0 0;
      color:#c9d4e1;
      font-size:16px;
      line-height:1.9;
      max-width:62ch;
    }
    .hero-actions{
      display:flex;
      flex-wrap:wrap;
      gap:12px;
      margin-top:26px;
    }
    .hero-metrics{
      display:grid;
      grid-template-columns:repeat(4, minmax(0, 1fr));
      gap:14px;
      margin-top:26px;
      max-width:760px;
    }
    .metric{
      background:linear-gradient(180deg, rgba(18,25,35,.95), rgba(15,20,28,.92));
      border:1px solid rgba(148,163,184,.16);
      border-radius:16px;
      padding:16px 16px 15px;
      box-shadow:var(--shadow-soft);
    }
    .metric strong{
      display:block;
      font-size:22px;
      line-height:1;
      margin-bottom:8px;
      color:#f7fbff;
      letter-spacing:-.02em;
    }
    .metric span{
      display:block;
      color:var(--muted);
      font-size:13px;
      line-height:1.6;
    }

    .hero-visual{
      position:relative;
      min-height:460px;
    }
    .visual-card{
      position:relative;
      height:100%;
      overflow:hidden;
      border-radius:var(--radius);
      border:1px solid rgba(148,163,184,.18);
      background:var(--panel);
      box-shadow:var(--shadow);
      isolation:isolate;
    }
    .visual-card::before{
      content:"";
      position:absolute;
      inset:0;
      background:
        linear-gradient(180deg, rgba(10,14,18,.08) 0%, rgba(10,14,18,.5) 100%),
        linear-gradient(135deg, rgba(23,230,209,.16), rgba(160,107,255,.16));
      z-index:1;
    }
    .visual-card img{
      width:100%;
      height:100%;
      object-fit:cover;
      filter:contrast(1.02) saturate(1.04) brightness(.76);
      transform:scale(1.01);
    }
    .visual-overlay{
      position:absolute;
      inset:auto 18px 18px 18px;
      z-index:2;
      display:grid;
      gap:12px;
    }
    .overlay-top{
      display:flex;
      flex-wrap:wrap;
      gap:10px;
    }
    .overlay-stats{
      display:grid;
      grid-template-columns:repeat(3, minmax(0, 1fr));
      gap:10px;
    }
    .overlay-stat{
      background:rgba(9,14,20,.72);
      border:1px solid rgba(255,255,255,.1);
      border-radius:14px;
      padding:12px 12px 11px;
      backdrop-filter:blur(8px);
    }
    .overlay-stat strong{
      display:block;
      font-size:18px;
      line-height:1.1;
      margin-bottom:5px;
    }
    .overlay-stat span{
      color:#c3cfdb;
      font-size:12px;
      line-height:1.5;
    }

    .section-head{
      display:flex;
      flex-direction:column;
      gap:12px;
      margin-bottom:24px;
      max-width:860px;
    }
    .section-head h2{
      margin:0;
      font-size:clamp(24px, 2.8vw, 38px);
      line-height:1.15;
      letter-spacing:-.02em;
    }
    .section-head p{
      margin:0;
      color:var(--muted);
      font-size:15px;
      line-height:1.85;
      max-width:70ch;
    }

    .topic-grid{
      display:grid;
      grid-template-columns:minmax(0, 1.3fr) minmax(320px, .7fr);
      gap:20px;
      align-items:stretch;
    }
    .topic-feature,
    .topic-mini,
    .feed-toolbar,
    .story-card,
    .sidebar-card,
    .info-card,
    .cta-card,
    .banner-card{
      background:linear-gradient(180deg, rgba(18,25,35,.96), rgba(15,20,28,.96));
      border:1px solid rgba(148,163,184,.16);
      box-shadow:var(--shadow-soft);
    }
    .topic-feature{
      position:relative;
      min-height:360px;
      border-radius:var(--radius);
      overflow:hidden;
    }
    .topic-feature::before{
      content:"";
      position:absolute;
      inset:0;
      background:
        linear-gradient(180deg, rgba(7,10,14,.08), rgba(7,10,14,.82)),
        linear-gradient(135deg, rgba(23,230,209,.06), rgba(160,107,255,.1));
      z-index:1;
    }
    .topic-feature img{
      width:100%;
      height:100%;
      object-fit:cover;
      filter:brightness(.72) contrast(1.04) saturate(1.03);
      transform:scale(1.01);
      transition:transform .5s ease;
    }
    .topic-feature:hover img{transform:scale(1.05)}
    .topic-content{
      position:absolute;
      inset:auto 0 0 0;
      z-index:2;
      padding:24px;
      display:grid;
      gap:14px;
    }
    .topic-content h3{
      margin:0;
      font-size:28px;
      line-height:1.18;
      max-width:15ch;
    }
    .topic-content p{
      margin:0;
      color:#dbe6f3;
      max-width:56ch;
      font-size:15px;
      line-height:1.8;
    }
    .topic-meta{
      display:flex;
      flex-wrap:wrap;
      gap:10px;
    }
    .topic-meta .tag{background:rgba(9,14,20,.58);border-color:rgba(255,255,255,.08)}
    .topic-stack{
      display:grid;
      gap:14px;
    }
    .topic-mini{
      display:grid;
      grid-template-columns:112px 1fr;
      gap:14px;
      align-items:center;
      border-radius:var(--radius);
      overflow:hidden;
      padding:12px;
      transition:transform .2s ease, border-color .2s ease, box-shadow .2s ease;
    }
    .topic-mini:hover{
      transform:translateY(-2px);
      border-color:rgba(23,230,209,.22);
      box-shadow:0 16px 30px rgba(0,0,0,.18);
    }
    .topic-mini figure{
      margin:0;
      border-radius:14px;
      overflow:hidden;
      height:100%;
      min-height:96px;
      position:relative;
    }
    .topic-mini figure::before{
      content:"";
      position:absolute;
      inset:0;
      background:linear-gradient(180deg, rgba(0,0,0,.06), rgba(0,0,0,.2));
      z-index:1;
    }
    .topic-mini img{
      width:100%;
      height:100%;
      object-fit:cover;
      filter:brightness(.82) contrast(1.02);
    }
    .topic-mini h4{
      margin:0 0 8px;
      font-size:18px;
      line-height:1.35;
    }
    .topic-mini p{
      margin:0;
      color:var(--muted);
      font-size:13px;
      line-height:1.75;
    }
    .topic-mini .tag{margin-bottom:10px; font-size:12px}

    .feed-toolbar{
      display:flex;
      flex-wrap:wrap;
      align-items:center;
      justify-content:space-between;
      gap:14px;
      padding:18px;
      border-radius:var(--radius);
      margin-bottom:20px;
    }
    .toolbar-group{
      display:flex;
      flex-wrap:wrap;
      gap:10px;
      align-items:center;
    }
    .toolbar-title{
      color:var(--muted);
      font-size:13px;
      margin-right:4px;
    }
    .chip{
      display:inline-flex;
      align-items:center;
      gap:6px;
      min-height:36px;
      padding:0 14px;
      border-radius:999px;
      background:rgba(255,255,255,.03);
      color:var(--text);
      border:1px solid rgba(148,163,184,.16);
      font-size:13px;
    }
    .chip:hover,
    .chip:focus-visible{
      background:rgba(255,255,255,.06);
      border-color:rgba(23,230,209,.26);
      box-shadow:0 0 0 4px rgba(23,230,209,.08);
      transform:translateY(-1px);
    }

    .content-grid{
      display:grid;
      grid-template-columns:minmax(0, 1.12fr) 340px;
      gap:22px;
      align-items:start;
    }
    .feed-list{
      display:grid;
      gap:16px;
    }
    .story-card{
      border-radius:var(--radius);
      overflow:hidden;
      display:grid;
      grid-template-columns:240px 1fr;
      gap:0;
      transition:transform .2s ease, border-color .2s ease, box-shadow .2s ease;
    }
    .story-card:hover{
      transform:translateY(-3px);
      border-color:rgba(23,230,209,.24);
      box-shadow:0 18px 36px rgba(0,0,0,.2);
    }
    .story-cover{
      position:relative;
      min-height:220px;
      overflow:hidden;
    }
    .story-cover::before{
      content:"";
      position:absolute;
      inset:0;
      background:linear-gradient(180deg, rgba(0,0,0,.05), rgba(0,0,0,.22));
      z-index:1;
    }
    .story-cover img{
      width:100%;
      height:100%;
      object-fit:cover;
      filter:brightness(.82) contrast(1.03) saturate(1.02);
      transition:transform .5s ease;
    }
    .story-card:hover .story-cover img{transform:scale(1.05)}
    .story-body{
      padding:22px 22px 20px;
      display:flex;
      flex-direction:column;
      gap:14px;
    }
    .story-tags{
      display:flex;
      flex-wrap:wrap;
      gap:8px;
    }
    .story-body h3{
      margin:0;
      font-size:22px;
      line-height:1.28;
      letter-spacing:-.01em;
      display:-webkit-box;
      -webkit-line-clamp:2;
      -webkit-box-orient:vertical;
      overflow:hidden;
    }
    .story-body p{
      margin:0;
      color:var(--muted);
      font-size:14px;
      line-height:1.82;
      display:-webkit-box;
      -webkit-line-clamp:3;
      -webkit-box-orient:vertical;
      overflow:hidden;
    }
    .story-meta{
      display:flex;
      flex-wrap:wrap;
      gap:10px 14px;
      color:#8ea0b3;
      font-size:12px;
      margin-top:auto;
    }
    .story-meta span{
      display:inline-flex;
      align-items:center;
      gap:6px;
    }
    .story-meta span::before{
      content:"";
      width:5px;
      height:5px;
      border-radius:50%;
      background:rgba(23,230,209,.9);
      box-shadow:0 0 8px rgba(23,230,209,.5);
    }

    .sidebar{
      display:grid;
      gap:16px;
      position:sticky;
      top:100px;
    }
    .sidebar-card{
      border-radius:var(--radius);
      padding:20px;
    }
    .sidebar-card h3{
      margin:0 0 14px;
      font-size:18px;
      line-height:1.3;
    }
    .quick-list{
      list-style:none;
      padding:0;
      margin:0;
      display:grid;
      gap:10px;
    }
    .quick-list li{
      display:flex;
      align-items:flex-start;
      gap:10px;
      padding:10px 0;
      border-bottom:1px solid rgba(148,163,184,.12);
      color:#d9e3ee;
      font-size:14px;
      line-height:1.7;
    }
    .quick-list li:last-child{border-bottom:0;padding-bottom:0}
    .quick-list li::before{
      content:"";
      flex:0 0 8px;
      width:8px;
      height:8px;
      border-radius:50%;
      margin-top:9px;
      background:linear-gradient(135deg, var(--primary), var(--primary-2));
      box-shadow:0 0 10px rgba(23,230,209,.35);
    }
    .tag-cloud{
      display:flex;
      flex-wrap:wrap;
      gap:10px;
    }
    .tag-cloud .tag{
      font-size:12px;
      background:rgba(255,255,255,.035);
    }
    .sidebar-note{
      margin:0;
      color:var(--muted);
      font-size:13px;
      line-height:1.8;
    }
    .sidebar-link{
      display:inline-flex;
      align-items:center;
      gap:8px;
      margin-top:14px;
      color:#91f0e7;
      font-weight:700;
      font-size:13px;
    }
    .sidebar-link::after{
      content:"→";
      transition:transform .2s ease;
    }
    .sidebar-link:hover::after{transform:translateX(3px)}

    .info-grid{
      display:grid;
      grid-template-columns:minmax(0, 1.05fr) minmax(0, .95fr);
      gap:22px;
      align-items:start;
    }
    .info-card{
      border-radius:var(--radius);
      padding:24px;
    }
    .info-card h3{
      margin:0 0 14px;
      font-size:22px;
      line-height:1.3;
    }
    .info-card p{
      margin:0;
      color:var(--muted);
      font-size:14px;
      line-height:1.85;
    }
    .info-list{
      list-style:none;
      padding:0;
      margin:18px 0 0;
      display:grid;
      gap:12px;
    }
    .info-list li{
      display:flex;
      gap:12px;
      align-items:flex-start;
      padding:14px 14px;
      border-radius:16px;
      background:rgba(255,255,255,.03);
      border:1px solid rgba(148,163,184,.12);
    }
    .info-list b{
      flex:0 0 auto;
      display:inline-flex;
      align-items:center;
      justify-content:center;
      width:28px;
      height:28px;
      border-radius:10px;
      background:rgba(23,230,209,.1);
      color:#8cf3ea;
      font-size:13px;
      margin-top:1px;
    }
    .info-list span{
      color:#d7e2ee;
      font-size:14px;
      line-height:1.8;
    }
    .note-strip{
      margin-top:18px;
      display:grid;
      grid-template-columns:repeat(3, minmax(0, 1fr));
      gap:12px;
    }
    .note{
      padding:14px;
      border-radius:16px;
      background:rgba(255,255,255,.03);
      border:1px solid rgba(148,163,184,.12);
    }
    .note strong{
      display:block;
      margin-bottom:6px;
      font-size:15px;
    }
    .note span{
      display:block;
      color:var(--muted);
      font-size:12px;
      line-height:1.7;
    }

    .faq-wrap{
      display:grid;
      gap:12px;
    }
    details{
      border-radius:16px;
      border:1px solid rgba(148,163,184,.14);
      background:rgba(255,255,255,.03);
      overflow:hidden;
    }
    summary{
      list-style:none;
      cursor:pointer;
      padding:18px 20px;
      display:flex;
      align-items:center;
      justify-content:space-between;
      gap:16px;
      font-weight:700;
      color:var(--text);
      transition:background .2s ease;
    }
    summary:hover{background:rgba(255,255,255,.03)}
    summary::-webkit-details-marker{display:none}
    summary::after{
      content:"+";
      font-size:20px;
      color:#8cf3ea;
      transition:transform .2s ease;
      flex:0 0 auto;
    }
    details[open] summary::after{
      content:"–";
      transform:rotate(0deg);
    }
    details .answer{
      padding:0 20px 18px;
      color:var(--muted);
      font-size:14px;
      line-height:1.9;
    }

    .banner-card{
      position:relative;
      border-radius:calc(var(--radius) + 4px);
      overflow:hidden;
      min-height:280px;
      background-size:cover;
      background-position:center;
    }
    .banner-card::before{
      content:"";
      position:absolute;
      inset:0;
      background:
        linear-gradient(90deg, rgba(8,12,16,.82) 0%, rgba(8,12,16,.48) 52%, rgba(8,12,16,.74) 100%),
        linear-gradient(135deg, rgba(23,230,209,.08), rgba(160,107,255,.11));
    }
    .banner-inner{
      position:relative;
      z-index:1;
      padding:34px;
      display:grid;
      gap:18px;
      max-width:760px;
    }
    .banner-inner h2{
      margin:0;
      font-size:clamp(26px, 3vw, 40px);
      line-height:1.15;
    }
    .banner-inner p{
      margin:0;
      color:#d8e3ee;
      font-size:15px;
      line-height:1.9;
      max-width:62ch;
    }
    .banner-chips{
      display:flex;
      flex-wrap:wrap;
      gap:10px;
    }

    .cta-card{
      border-radius:calc(var(--radius) + 2px);
      padding:28px;
      display:flex;
      flex-wrap:wrap;
      justify-content:space-between;
      gap:20px;
      align-items:center;
    }
    .cta-card h2{
      margin:10px 0 10px;
      font-size:clamp(24px, 2.8vw, 36px);
      line-height:1.15;
    }
    .cta-card p{
      margin:0;
      color:var(--muted);
      font-size:15px;
      line-height:1.8;
      max-width:60ch;
    }
    .cta-actions{
      display:flex;
      flex-wrap:wrap;
      gap:12px;
      align-items:center;
      justify-content:flex-end;
    }

    .site-footer{
      margin-top:18px;
      padding:44px 0 26px;
      border-top:1px solid rgba(148,163,184,.12);
      background:linear-gradient(180deg, rgba(11,16,22,.2), rgba(9,13,18,.7));
    }
    .footer-grid{
      display:grid;
      grid-template-columns:minmax(0, 1.2fr) 180px 260px;
      gap:24px;
      align-items:start;
      padding-bottom:22px;
    }
    .footer-brand h3,
    .footer-links h4{
      margin:0 0 12px;
      font-size:18px;
      line-height:1.3;
    }
    .footer-brand p{
      margin:0;
      color:var(--muted);
      font-size:14px;
      line-height:1.9;
      max-width:56ch;
    }
    .footer-links{
      display:grid;
      gap:10px;
      align-content:start;
    }
    .footer-links a,
    .footer-note{
      color:var(--muted);
      font-size:14px;
      line-height:1.7;
    }
    .footer-links a{
      width:fit-content;
      transition:color .2s ease, transform .2s ease;
    }
    .footer-links a:hover{
      color:var(--text);
      transform:translateX(2px);
    }
    .copyright{
      display:flex;
      flex-wrap:wrap;
      justify-content:space-between;
      gap:10px;
      padding-top:18px;
      border-top:1px solid rgba(148,163,184,.12);
      color:#7f8d9f;
      font-size:13px;
    }

    .anchor-offset{scroll-margin-top:110px}

    @media (max-width: 1280px){
      .content-grid{grid-template-columns:minmax(0, 1fr) 320px}
      .hero-grid{grid-template-columns:minmax(0, 1fr) 430px}
    }

    @media (max-width: 1024px){
      :root{--header-h:82px}
      .header-inner{
        flex-wrap:wrap;
        gap:14px;
      }
      .nav-wrap{
        order:3;
        width:100%;
        display:none;
        flex-direction:column;
        align-items:stretch;
        padding:14px 0 2px;
      }
      .nav-wrap.open{display:flex}
      .nav-list{
        width:100%;
        gap:8px;
      }
      .nav-list a{width:calc(50% - 4px); justify-content:center}
      .nav-search{
        width:100%;
      }
      .nav-search input{
        width:100%;
        min-width:0;
      }
      .header-tools{
        margin-left:auto;
      }
      .menu-toggle{display:inline-flex}
      .hero-grid,
      .topic-grid,
      .content-grid,
      .info-grid,
      .footer-grid{
        grid-template-columns:1fr;
      }
      .hero-visual{min-height:380px}
      .sidebar{position:static}
      .note-strip{grid-template-columns:1fr}
      .footer-grid{gap:18px}
    }

    @media (max-width: 768px){
      .section{padding:56px 0}
      .hero{padding-top:24px}
      .hero-metrics{grid-template-columns:repeat(2, minmax(0, 1fr))}
      .overlay-stats{grid-template-columns:1fr}
      .topic-feature{min-height:330px}
      .topic-content{padding:20px}
      .topic-content h3{max-width:100%; font-size:24px}
      .story-card{grid-template-columns:1fr}
      .story-cover{min-height:200px}
      .cta-card{padding:22px}
      .banner-inner{padding:24px}
      .nav-list a{width:100%}
      .brand-text span{display:none}
      .header-tools .btn-ghost{display:none}
    }

    @media (max-width: 520px){
      .container{width:min(var(--container), calc(100% - 22px))}
      .section-head h2{font-size:24px}
      .hero h1{font-size:32px; max-width:100%}
      .hero-lead,
      .section-head p,
      .story-body p,
      .info-card p,
      .banner-inner p,
      .cta-card p,
      .footer-brand p{
        font-size:14px;
        line-height:1.8;
      }
      .hero-actions,
      .cta-actions,
      .banner-chips{
        width:100%;
      }
      .btn{
        width:100%;
      }
      .hero-metrics{
        grid-template-columns:1fr;
      }
      .feed-toolbar{
        padding:16px;
      }
      .toolbar-group{
        width:100%;
      }
      .chip{width:fit-content}
      .story-body{
        padding:18px;
      }
      .sidebar-card,
      .info-card{
        padding:18px;
      }
      .copyright{
        flex-direction:column;
      }
    }