/* roulang page: index */
:root{
      --bg:#081018;
      --bg-2:#0d1621;
      --panel:#101b27;
      --panel-2:#132234;
      --line:rgba(255,255,255,.08);
      --text:#f4f7fb;
      --muted:#aab7c5;
      --soft:#7f90a4;
      --accent:#67f29f;
      --accent-2:#b38cff;
      --accent-3:#6bd3ff;
      --danger:#ff7a8a;
      --shadow:0 16px 40px rgba(0,0,0,.28);
      --shadow-soft:0 10px 24px rgba(0,0,0,.18);
      --radius:22px;
      --radius-sm:16px;
      --radius-xs:12px;
      --space:24px;
      --container:1200px;
      --ease:cubic-bezier(.2,.8,.2,1);
    }
    *{box-sizing:border-box}
    html{scroll-behavior:smooth}
    body{
      margin:0;
      font-family:-apple-system,BlinkMacSystemFont,"Segoe UI","PingFang SC","Hiragino Sans GB","Microsoft YaHei",sans-serif;
      background:
        radial-gradient(circle at top, rgba(103,242,159,.08), transparent 30%),
        radial-gradient(circle at 70% 10%, rgba(107,211,255,.08), transparent 24%),
        linear-gradient(180deg, #09111a 0%, #071018 46%, #060b11 100%);
      color:var(--text);
      line-height:1.7;
      letter-spacing:.2px;
      overflow-x:hidden;
    }
    body::before{
      content:"";
      position:fixed;
      inset:0;
      pointer-events:none;
      background-image:
        linear-gradient(rgba(255,255,255,.018) 1px, transparent 1px),
        linear-gradient(90deg, rgba(255,255,255,.018) 1px, transparent 1px);
      background-size:36px 36px;
      mask-image:linear-gradient(180deg, rgba(0,0,0,.85), rgba(0,0,0,.18) 70%, transparent);
      opacity:.45;
      z-index:0;
    }
    a{color:inherit;text-decoration:none}
    img{max-width:100%;display:block}
    button,input,textarea{font:inherit}
    ::selection{background:rgba(103,242,159,.24);color:#fff}
    .container{
      width:min(var(--container), calc(100% - 32px));
      margin:0 auto;
      position:relative;
      z-index:1;
    }
    .topbar{
      position:relative;
      z-index:20;
      background:rgba(7,13,20,.82);
      border-bottom:1px solid var(--line);
      backdrop-filter:blur(10px);
    }
    .topbar-inner{
      display:flex;
      align-items:center;
      justify-content:space-between;
      gap:14px;
      padding:10px 0;
      color:var(--muted);
      font-size:13px;
    }
    .topbar strong{color:#fff;font-weight:700}
    .topbar .tag{
      display:inline-flex;
      align-items:center;
      gap:8px;
      padding:6px 10px;
      border-radius:999px;
      background:rgba(103,242,159,.08);
      border:1px solid rgba(103,242,159,.18);
      color:#d8ffe9;
      white-space:nowrap;
    }
    .site-header{
      position:sticky;
      top:0;
      z-index:50;
      background:rgba(8,16,24,.84);
      border-bottom:1px solid rgba(255,255,255,.06);
      backdrop-filter:blur(14px);
    }
    .header-inner{
      display:flex;
      align-items:center;
      gap:18px;
      padding:16px 0;
      flex-wrap:wrap;
    }
    .brand{
      display:flex;
      align-items:center;
      gap:12px;
      min-width:max-content;
    }
    .brand-mark{
      width:42px;
      height:42px;
      border-radius:14px;
      background:
        linear-gradient(135deg, rgba(103,242,159,.24), rgba(107,211,255,.16)),
        linear-gradient(180deg, rgba(255,255,255,.08), rgba(255,255,255,.02));
      border:1px solid rgba(103,242,159,.28);
      box-shadow:inset 0 0 0 1px rgba(255,255,255,.05);
      position:relative;
      overflow:hidden;
    }
    .brand-mark::after{
      content:"";
      position:absolute;
      inset:10px;
      border-radius:10px;
      border:1px solid rgba(255,255,255,.22);
      transform:rotate(12deg);
    }
    .brand-text{
      display:flex;
      flex-direction:column;
      gap:2px;
    }
    .brand-text strong{
      font-size:16px;
      line-height:1.2;
      letter-spacing:.3px;
    }
    .brand-text span{
      color:var(--muted);
      font-size:12px;
    }
    .nav-toggle{
      display:none;
      margin-left:auto;
      align-items:center;
      gap:8px;
      border:1px solid rgba(255,255,255,.12);
      background:rgba(255,255,255,.04);
      color:#fff;
      padding:10px 14px;
      border-radius:12px;
      cursor:pointer;
      transition:all .24s var(--ease);
    }
    .nav-toggle:hover{
      transform:translateY(-1px);
      border-color:rgba(103,242,159,.32);
      background:rgba(103,242,159,.08);
    }
    .nav-panel{
      margin-left:auto;
      display:flex;
      align-items:center;
      gap:18px;
      flex:1;
      min-width:0;
    }
    .nav-links{
      display:flex;
      align-items:center;
      gap:8px;
      flex-wrap:wrap;
      margin-left:auto;
    }
    .nav-links a{
      color:var(--muted);
      padding:10px 14px;
      border-radius:999px;
      border:1px solid transparent;
      transition:all .24s var(--ease);
      font-size:14px;
      white-space:nowrap;
    }
    .nav-links a:hover,
    .nav-links a:focus-visible,
    .nav-links a.active{
      color:#fff;
      border-color:rgba(103,242,159,.22);
      background:rgba(103,242,159,.08);
      outline:none;
      transform:translateY(-1px);
    }
    .header-actions{
      display:flex;
      align-items:center;
      gap:10px;
      margin-left:auto;
    }
    .status-pill{
      display:inline-flex;
      align-items:center;
      gap:8px;
      padding:10px 14px;
      border-radius:999px;
      background:rgba(255,255,255,.04);
      border:1px solid rgba(255,255,255,.08);
      color:#e8f1f9;
      font-size:13px;
      white-space:nowrap;
    }
    .status-dot{
      width:8px;
      height:8px;
      border-radius:50%;
      background:var(--accent);
      box-shadow:0 0 0 6px rgba(103,242,159,.12);
    }
    .btn{
      display:inline-flex;
      align-items:center;
      justify-content:center;
      gap:8px;
      padding:12px 18px;
      border-radius:14px;
      border:1px solid transparent;
      cursor:pointer;
      transition:transform .24s var(--ease), background .24s var(--ease), border-color .24s var(--ease), box-shadow .24s var(--ease), color .24s var(--ease);
      font-weight:700;
      letter-spacing:.2px;
      text-decoration:none;
      white-space:nowrap;
    }
    .btn:hover,
    .btn:focus-visible{
      transform:translateY(-2px);
      outline:none;
    }
    .btn-primary{
      background:linear-gradient(135deg, var(--accent) 0%, #4ed78b 100%);
      color:#061018;
      box-shadow:0 12px 24px rgba(103,242,159,.15);
      border-color:rgba(255,255,255,.06);
    }
    .btn-primary:hover,
    .btn-primary:focus-visible{
      box-shadow:0 16px 30px rgba(103,242,159,.22);
    }
    .btn-secondary{
      background:rgba(255,255,255,.03);
      color:#f2f7fb;
      border-color:rgba(255,255,255,.12);
    }
    .btn-secondary:hover,
    .btn-secondary:focus-visible{
      border-color:rgba(107,211,255,.28);
      background:rgba(107,211,255,.08);
    }
    .hero{
      position:relative;
      padding:34px 0 24px;
      min-height:calc(100vh - 116px);
      display:flex;
      align-items:center;
      background:
        linear-gradient(180deg, rgba(6,11,17,.18), rgba(6,11,17,.68)),
        url('/assets/images/backpic/back-1.webp') center/cover no-repeat;
      border-bottom:1px solid rgba(255,255,255,.06);
    }
    .hero::before{
      content:"";
      position:absolute;
      inset:0;
      background:
        radial-gradient(circle at 18% 20%, rgba(103,242,159,.20), transparent 20%),
        radial-gradient(circle at 82% 18%, rgba(179,140,255,.17), transparent 18%),
        linear-gradient(180deg, rgba(7,13,20,.18), rgba(7,13,20,.82));
    }
    .hero-grid{
      display:grid;
      grid-template-columns:minmax(0,1.25fr) minmax(320px,.75fr);
      gap:28px;
      align-items:stretch;
    }
    .hero-copy{
      padding:24px 0 10px;
      max-width:760px;
    }
    .eyebrow{
      display:inline-flex;
      align-items:center;
      gap:10px;
      padding:8px 14px;
      border-radius:999px;
      background:rgba(255,255,255,.05);
      border:1px solid rgba(255,255,255,.09);
      color:#edf4fa;
      font-size:13px;
      letter-spacing:.4px;
    }
    .eyebrow .live{
      width:8px;
      height:8px;
      border-radius:50%;
      background:var(--accent);
      box-shadow:0 0 0 6px rgba(103,242,159,.12);
    }
    h1{
      margin:18px 0 14px;
      font-size:clamp(34px, 5vw, 68px);
      line-height:1.03;
      letter-spacing:-.04em;
      text-wrap:balance;
    }
    .hero-copy p{
      margin:0;
      max-width:760px;
      color:#d6e2ec;
      font-size:clamp(16px, 2vw, 19px);
      line-height:1.85;
    }
    .hero-actions{
      display:flex;
      gap:12px;
      flex-wrap:wrap;
      margin-top:26px;
    }
    .hero-points{
      display:flex;
      flex-wrap:wrap;
      gap:10px;
      margin-top:22px;
    }
    .chip{
      display:inline-flex;
      align-items:center;
      gap:8px;
      padding:9px 12px;
      border-radius:999px;
      border:1px solid rgba(255,255,255,.1);
      background:rgba(255,255,255,.04);
      color:#edf4fa;
      font-size:13px;
    }
    .chip b{color:var(--accent)}
    .hero-aside{
      align-self:stretch;
      background:linear-gradient(180deg, rgba(18,33,52,.92), rgba(11,21,31,.94));
      border:1px solid rgba(255,255,255,.09);
      border-radius:var(--radius);
      box-shadow:var(--shadow);
      padding:20px;
      position:relative;
      overflow:hidden;
    }
    .hero-aside::before{
      content:"";
      position:absolute;
      inset:-2px;
      background:
        linear-gradient(135deg, rgba(103,242,159,.18), transparent 35%),
        linear-gradient(225deg, rgba(107,211,255,.12), transparent 42%);
      pointer-events:none;
      opacity:.65;
    }
    .aside-inner{
      position:relative;
      z-index:1;
    }
    .aside-title{
      display:flex;
      align-items:center;
      justify-content:space-between;
      gap:12px;
      margin-bottom:18px;
    }
    .aside-title h2{
      margin:0;
      font-size:18px;
      line-height:1.2;
    }
    .mini-badge{
      padding:7px 10px;
      border-radius:999px;
      background:rgba(103,242,159,.1);
      border:1px solid rgba(103,242,159,.18);
      color:#d5ffe5;
      font-size:12px;
      white-space:nowrap;
    }
    .meter-list{
      display:grid;
      gap:12px;
    }
    .meter{
      background:rgba(255,255,255,.04);
      border:1px solid rgba(255,255,255,.08);
      border-radius:18px;
      padding:14px 14px 12px;
    }
    .meter-top{
      display:flex;
      justify-content:space-between;
      gap:10px;
      color:#eef5fb;
      font-size:14px;
      margin-bottom:10px;
    }
    .meter-top span:last-child{
      color:var(--accent);
      font-weight:700;
    }
    .meter-bar{
      height:8px;
      border-radius:999px;
      background:rgba(255,255,255,.06);
      overflow:hidden;
    }
    .meter-bar em{
      display:block;
      height:100%;
      border-radius:inherit;
      background:linear-gradient(90deg, var(--accent), var(--accent-3));
      box-shadow:0 0 16px rgba(103,242,159,.26);
    }
    .hero-stack{
      display:grid;
      grid-template-columns:repeat(4, minmax(0,1fr));
      gap:14px;
      margin-top:22px;
    }
    .stat-card{
      background:rgba(16,27,39,.76);
      border:1px solid rgba(255,255,255,.08);
      border-radius:20px;
      padding:16px;
      box-shadow:var(--shadow-soft);
      min-height:118px;
      display:flex;
      flex-direction:column;
      justify-content:space-between;
      transition:transform .24s var(--ease), border-color .24s var(--ease), background .24s var(--ease);
    }
    .stat-card:hover{
      transform:translateY(-3px);
      border-color:rgba(103,242,159,.22);
      background:rgba(18,31,45,.92);
    }
    .stat-card .num{
      font-size:28px;
      font-weight:800;
      line-height:1;
      letter-spacing:-.03em;
      color:#fff;
    }
    .stat-card .txt{
      color:var(--muted);
      font-size:13px;
      margin-top:8px;
    }
    .stat-card .sub{
      color:#dce8f0;
      font-size:14px;
    }
    .ticker{
      margin-top:24px;
      border-top:1px solid rgba(255,255,255,.08);
      border-bottom:1px solid rgba(255,255,255,.08);
      background:rgba(255,255,255,.03);
      overflow:hidden;
    }
    .ticker-track{
      display:flex;
      gap:12px;
      padding:12px 0;
      width:max-content;
      animation:ticker 26s linear infinite;
    }
    .ticker-item{
      display:inline-flex;
      align-items:center;
      gap:8px;
      padding:8px 12px;
      border-radius:999px;
      border:1px solid rgba(255,255,255,.08);
      color:#e8f0f8;
      background:rgba(7,13,20,.32);
      white-space:nowrap;
      font-size:13px;
    }
    .ticker-item i{
      width:7px;
      height:7px;
      border-radius:50%;
      background:var(--accent);
      display:inline-block;
      box-shadow:0 0 0 6px rgba(103,242,159,.1);
    }
    @keyframes ticker{
      from{transform:translateX(0)}
      to{transform:translateX(-50%)}
    }
    .section{
      padding:72px 0;
      position:relative;
      z-index:1;
    }
    .section-head{
      display:flex;
      align-items:flex-end;
      justify-content:space-between;
      gap:24px;
      margin-bottom:24px;
    }
    .section-title{
      max-width:740px;
    }
    .section-title .kicker{
      display:inline-flex;
      align-items:center;
      gap:8px;
      color:var(--accent);
      font-size:13px;
      text-transform:uppercase;
      letter-spacing:.14em;
      margin-bottom:10px;
    }
    .section-title h2{
      margin:0;
      font-size:clamp(26px, 3.2vw, 40px);
      line-height:1.1;
      letter-spacing:-.03em;
    }
    .section-title p{
      margin:12px 0 0;
      color:var(--muted);
      max-width:780px;
      font-size:16px;
      line-height:1.8;
    }
    .section-link{
      display:inline-flex;
      align-items:center;
      gap:8px;
      color:#dff8e8;
      padding:10px 14px;
      border-radius:999px;
      background:rgba(103,242,159,.08);
      border:1px solid rgba(103,242,159,.18);
      white-space:nowrap;
      transition:all .24s var(--ease);
    }
    .section-link:hover{
      transform:translateY(-2px);
      border-color:rgba(103,242,159,.3);
      background:rgba(103,242,159,.12);
    }
    .feature-grid{
      display:grid;
      grid-template-columns:minmax(0,1.15fr) minmax(0,.85fr);
      gap:18px;
      align-items:stretch;
    }
    .feature-card,
    .info-card,
    .data-card,
    .promo-card,
    .trust-card,
    .faq-card,
    .category-card,
    .cta-card{
      border-radius:var(--radius);
      background:linear-gradient(180deg, rgba(18,33,52,.95), rgba(12,20,30,.95));
      border:1px solid rgba(255,255,255,.08);
      box-shadow:var(--shadow-soft);
      overflow:hidden;
    }
    .feature-card{
      display:grid;
      grid-template-columns:1fr;
      min-height:100%;
    }
    .feature-media{
      position:relative;
      min-height:320px;
      overflow:hidden;
    }
    .feature-media img,
    .card-media img{
      width:100%;
      height:100%;
      object-fit:cover;
      transform:scale(1.02);
      transition:transform .4s var(--ease);
    }
    .feature-card:hover .feature-media img,
    .promo-card:hover .card-media img,
    .data-card:hover .card-media img{
      transform:scale(1.06);
    }
    .overlay{
      position:absolute;
      inset:0;
      background:linear-gradient(180deg, rgba(7,12,18,.08), rgba(7,12,18,.82));
    }
    .feature-content{
      padding:22px;
      display:grid;
      gap:14px;
    }
    .badge-row{
      display:flex;
      flex-wrap:wrap;
      gap:8px;
    }
    .badge{
      display:inline-flex;
      align-items:center;
      gap:7px;
      padding:7px 10px;
      border-radius:999px;
      background:rgba(255,255,255,.05);
      border:1px solid rgba(255,255,255,.08);
      color:#edf4fa;
      font-size:12px;
    }
    .badge.accent{
      background:rgba(103,242,159,.1);
      border-color:rgba(103,242,159,.18);
      color:#d8ffe9;
    }
    .feature-content h3,
    .data-card h3,
    .promo-card h3,
    .trust-card h3,
    .category-card h3,
    .faq-card h3,
    .cta-card h3{
      margin:0;
      font-size:22px;
      line-height:1.22;
    }
    .feature-content p,
    .data-card p,
    .promo-card p,
    .trust-card p,
    .category-card p,
    .cta-card p{
      margin:0;
      color:var(--muted);
      font-size:15px;
      line-height:1.8;
    }
    .feature-list{
      list-style:none;
      padding:0;
      margin:0;
      display:grid;
      gap:10px;
    }
    .feature-list li{
      display:flex;
      align-items:flex-start;
      gap:10px;
      color:#e6eef5;
      font-size:14px;
    }
    .feature-list li::before{
      content:"";
      width:9px;
      height:9px;
      border-radius:50%;
      background:var(--accent);
      margin-top:8px;
      flex:none;
      box-shadow:0 0 0 6px rgba(103,242,159,.1);
    }
    .info-stack{
      display:grid;
      gap:18px;
      align-content:stretch;
    }
    .info-card{
      padding:20px;
    }
    .info-title{
      display:flex;
      justify-content:space-between;
      align-items:center;
      gap:12px;
      margin-bottom:16px;
    }
    .info-title h3{
      margin:0;
      font-size:20px;
      line-height:1.2;
    }
    .info-title span{
      color:var(--accent);
      font-size:12px;
      padding:6px 10px;
      border-radius:999px;
      border:1px solid rgba(103,242,159,.18);
      background:rgba(103,242,159,.08);
    }
    .mini-list{
      display:grid;
      gap:12px;
      padding:0;
      margin:0;
      list-style:none;
    }
    .mini-list li{
      display:flex;
      justify-content:space-between;
      gap:14px;
      align-items:center;
      padding:12px 0;
      border-top:1px solid rgba(255,255,255,.07);
      color:#eaf1f6;
      font-size:14px;
    }
    .mini-list li:first-child{border-top:none;padding-top:0}
    .mini-list strong{
      color:#fff;
      font-size:15px;
    }
    .mini-list em{
      font-style:normal;
      color:var(--accent);
      font-weight:700;
      white-space:nowrap;
    }
    .progress-grid{
      display:grid;
      gap:10px;
      margin-top:16px;
    }
    .progress-row{
      display:grid;
      grid-template-columns:84px 1fr 58px;
      align-items:center;
      gap:10px;
      font-size:13px;
      color:var(--muted);
    }
    .progress-row .line{
      height:8px;
      border-radius:999px;
      background:rgba(255,255,255,.06);
      overflow:hidden;
    }
    .progress-row .line span{
      display:block;
      height:100%;
      border-radius:inherit;
      background:linear-gradient(90deg, var(--accent-2), var(--accent-3));
    }
    .data-grid{
      display:grid;
      grid-template-columns:repeat(4, minmax(0,1fr));
      gap:16px;
    }
    .data-card{
      padding:18px;
      display:flex;
      flex-direction:column;
      gap:14px;
      min-height:100%;
      transition:transform .24s var(--ease), border-color .24s var(--ease);
    }
    .data-card:hover{
      transform:translateY(-3px);
      border-color:rgba(107,211,255,.22);
    }
    .data-card .card-head{
      display:flex;
      align-items:center;
      justify-content:space-between;
      gap:12px;
    }
    .data-card .card-head .icon{
      width:42px;
      height:42px;
      border-radius:14px;
      display:grid;
      place-items:center;
      background:rgba(103,242,159,.12);
      border:1px solid rgba(103,242,159,.18);
      color:var(--accent);
      flex:none;
      font-size:18px;
    }
    .data-card .stats{
      display:grid;
      gap:10px;
      margin:0;
      padding:0;
      list-style:none;
    }
    .data-card .stats li{
      display:flex;
      justify-content:space-between;
      gap:10px;
      align-items:center;
      color:#e7eef5;
      font-size:14px;
      padding:10px 0;
      border-top:1px dashed rgba(255,255,255,.08);
    }
    .data-card .stats li:first-child{border-top:none;padding-top:0}
    .data-card .stats b{
      color:#fff;
    }
    .data-card .stats span{
      color:var(--accent);
      font-weight:700;
      white-space:nowrap;
    }
    .data-card .card-media{
      border-radius:16px;
      overflow:hidden;
      min-height:140px;
      position:relative;
    }
    .data-card .card-media .overlay{
      background:linear-gradient(180deg, rgba(6,11,17,.12), rgba(6,11,17,.72));
    }
    .promo-layout{
      display:grid;
      grid-template-columns:1.05fr .95fr;
      gap:18px;
      align-items:stretch;
    }
    .promo-card{
      display:grid;
      grid-template-columns:1fr;
      overflow:hidden;
    }
    .promo-card .card-media{
      position:relative;
      min-height:230px;
    }
    .promo-content{
      padding:20px;
      display:grid;
      gap:14px;
    }
    .mini-panels{
      display:grid;
      gap:14px;
    }
    .mini-panel{
      padding:18px;
      border-radius:20px;
      background:linear-gradient(180deg, rgba(19,34,52,.9), rgba(12,20,30,.95));
      border:1px solid rgba(255,255,255,.08);
      box-shadow:var(--shadow-soft);
    }
    .mini-panel h3{
      margin:0 0 10px;
      font-size:18px;
      line-height:1.25;
    }
    .mini-panel .points{
      display:grid;
      gap:10px;
      margin:0;
      padding:0;
      list-style:none;
    }
    .mini-panel .points li{
      display:flex;
      justify-content:space-between;
      gap:12px;
      color:#e7eef5;
      font-size:14px;
      padding:10px 0;
      border-top:1px solid rgba(255,255,255,.07);
    }
    .mini-panel .points li:first-child{border-top:none;padding-top:0}
    .mini-panel .points em{
      color:#dbe7f1;
      font-style:normal;
    }
    .tags-grid{
      display:flex;
      flex-wrap:wrap;
      gap:10px;
    }
    .tag-pill{
      display:inline-flex;
      align-items:center;
      padding:8px 12px;
      border-radius:999px;
      background:rgba(255,255,255,.04);
      border:1px solid rgba(255,255,255,.08);
      color:#edf4fa;
      font-size:13px;
      transition:all .24s var(--ease);
    }
    .tag-pill:hover{
      transform:translateY(-2px);
      border-color:rgba(103,242,159,.22);
      background:rgba(103,242,159,.08);
    }
    .category-card{
      display:grid;
      grid-template-columns:minmax(0,1.1fr) minmax(280px,.9fr);
      gap:0;
      align-items:stretch;
      overflow:hidden;
    }
    .category-copy{
      padding:24px;
      display:grid;
      gap:16px;
    }
    .category-copy .meta-row{
      display:flex;
      flex-wrap:wrap;
      gap:10px;
    }
    .category-side{
      padding:22px;
      background:
        linear-gradient(180deg, rgba(103,242,159,.1), rgba(19,34,52,.18)),
        url('/assets/images/backpic/back-3.webp') center/cover no-repeat;
      position:relative;
      display:flex;
      align-items:end;
      min-height:280px;
    }
    .category-side::before{
      content:"";
      position:absolute;
      inset:0;
      background:linear-gradient(180deg, rgba(6,11,17,.14), rgba(6,11,17,.8));
    }
    .category-side .side-box{
      position:relative;
      z-index:1;
      width:100%;
      padding:18px;
      border-radius:18px;
      background:rgba(8,16,24,.72);
      border:1px solid rgba(255,255,255,.1);
      backdrop-filter:blur(8px);
    }
    .category-side .side-box h3{
      margin:0 0 8px;
      font-size:20px;
    }
    .category-side .side-box p{
      margin:0;
      color:#d6e2ec;
      font-size:14px;
      line-height:1.8;
    }
    .trust-grid{
      display:grid;
      grid-template-columns:repeat(3, minmax(0,1fr));
      gap:16px;
    }
    .trust-card{
      padding:22px;
      display:grid;
      gap:12px;
    }
    .trust-card .mark{
      width:46px;
      height:46px;
      border-radius:16px;
      display:grid;
      place-items:center;
      background:rgba(103,242,159,.1);
      border:1px solid rgba(103,242,159,.18);
      color:var(--accent);
      font-size:20px;
    }
    .faq-grid{
      display:grid;
      grid-template-columns:minmax(0,1.1fr) minmax(320px,.9fr);
      gap:18px;
      align-items:start;
    }
    .faq-card{
      padding:20px;
    }
    .faq-list{
      display:grid;
      gap:12px;
      margin-top:10px;
    }
    .faq-item{
      border:1px solid rgba(255,255,255,.08);
      border-radius:18px;
      background:rgba(255,255,255,.03);
      overflow:hidden;
    }
    .faq-item summary{
      list-style:none;
      cursor:pointer;
      display:flex;
      align-items:center;
      justify-content:space-between;
      gap:14px;
      padding:16px 18px;
      color:#f4f8fc;
      font-weight:700;
      font-size:15px;
      transition:background .24s var(--ease);
    }
    .faq-item summary::-webkit-details-marker{display:none}
    .faq-item summary:hover{
      background:rgba(103,242,159,.06);
    }
    .faq-item summary span{
      color:var(--accent);
      font-size:18px;
      flex:none;
      transition:transform .24s var(--ease);
    }
    .faq-item[open] summary{
      border-bottom:1px solid rgba(255,255,255,.08);
      background:rgba(103,242,159,.06);
    }
    .faq-item[open] summary span{
      transform:rotate(45deg);
    }
    .faq-answer{
      padding:0 18px 16px;
      color:var(--muted);
      font-size:14px;
      line-height:1.8;
    }
    .faq-side{
      padding:22px;
      display:grid;
      gap:14px;
      background:
        linear-gradient(180deg, rgba(18,33,52,.94), rgba(12,20,30,.96));
      border:1px solid rgba(255,255,255,.08);
      border-radius:var(--radius);
      box-shadow:var(--shadow-soft);
    }
    .faq-side .callout{
      padding:16px;
      border-radius:18px;
      background:rgba(255,255,255,.04);
      border:1px solid rgba(255,255,255,.08);
    }
    .faq-side .callout strong{
      display:block;
      margin-bottom:6px;
      font-size:16px;
    }
    .faq-side .callout p{
      margin:0;
      color:var(--muted);
      font-size:14px;
      line-height:1.8;
    }
    .cta-card{
      position:relative;
      padding:28px;
      background:
        linear-gradient(180deg, rgba(7,13,20,.18), rgba(7,13,20,.78)),
        url('/assets/images/backpic/back-2.webp') center/cover no-repeat;
      overflow:hidden;
    }
    .cta-card::before{
      content:"";
      position:absolute;
      inset:0;
      background:linear-gradient(135deg, rgba(103,242,159,.12), rgba(179,140,255,.08) 42%, rgba(6,11,17,.78));
    }
    .cta-inner{
      position:relative;
      z-index:1;
      display:flex;
      align-items:center;
      justify-content:space-between;
      gap:22px;
      flex-wrap:wrap;
    }
    .cta-copy{
      max-width:740px;
    }
    .cta-copy h3{
      margin:0 0 10px;
      font-size:clamp(24px, 3vw, 38px);
      line-height:1.15;
      letter-spacing:-.03em;
    }
    .cta-copy p{
      margin:0;
      color:#e4edf5;
      font-size:15px;
      line-height:1.8;
      max-width:680px;
    }
    .cta-actions{
      display:flex;
      gap:12px;
      flex-wrap:wrap;
    }
    .footer{
      padding:36px 0 26px;
      border-top:1px solid rgba(255,255,255,.08);
      background:rgba(6,11,17,.75);
      margin-top:64px;
    }
    .footer-grid{
      display:grid;
      grid-template-columns:1.2fr .8fr .8fr 1fr;
      gap:18px;
    }
    .footer-col{
      display:grid;
      gap:12px;
    }
    .footer-col h4{
      margin:0;
      font-size:15px;
      color:#fff;
    }
    .footer-col p,
    .footer-col a,
    .footer-col li{
      color:var(--muted);
      font-size:14px;
      line-height:1.8;
    }
    .footer-links{
      margin:0;
      padding:0;
      list-style:none;
      display:grid;
      gap:8px;
    }
    .footer-links a{
      transition:color .24s var(--ease), transform .24s var(--ease);
    }
    .footer-links a:hover{
      color:#fff;
      transform:translateX(2px);
    }
    .footer-bottom{
      margin-top:26px;
      padding-top:16px;
      border-top:1px solid rgba(255,255,255,.08);
      display:flex;
      align-items:center;
      justify-content:space-between;
      gap:16px;
      flex-wrap:wrap;
      color:var(--soft);
      font-size:13px;
    }
    .section-spacing{
      height:1px;
      background:linear-gradient(90deg, transparent, rgba(255,255,255,.1), transparent);
      margin:4px 0;
    }
    .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;
    }
    :focus-visible{
      outline:2px solid rgba(103,242,159,.55);
      outline-offset:3px;
    }

    @media (max-width: 1100px){
      .hero-grid,
      .feature-grid,
      .promo-layout,
      .faq-grid,
      .category-card{
        grid-template-columns:1fr;
      }
      .data-grid,
      .trust-grid,
      .footer-grid{
        grid-template-columns:repeat(2, minmax(0,1fr));
      }
      .hero-stack{
        grid-template-columns:repeat(2, minmax(0,1fr));
      }
      .section-head{
        align-items:flex-start;
        flex-direction:column;
      }
      .nav-panel{
        width:100%;
        margin-left:0;
        align-items:flex-start;
      }
      .header-actions{
        margin-left:0;
      }
    }
    @media (max-width: 860px){
      .nav-toggle{
        display:inline-flex;
      }
      .nav-panel{
        display:grid;
        gap:12px;
        width:100%;
        padding:0;
        max-height:0;
        opacity:0;
        overflow:hidden;
        transition:max-height .28s var(--ease), opacity .2s var(--ease), padding .28s var(--ease);
      }
      .site-header.nav-open .nav-panel{
        max-height:360px;
        opacity:1;
        padding:12px 0 4px;
      }
      .nav-links,
      .header-actions{
        width:100%;
      }
      .nav-links{
        justify-content:flex-start;
      }
      .header-actions{
        flex-wrap:wrap;
      }
      .hero{
        min-height:auto;
        padding:30px 0 16px;
      }
      .hero-copy{
        padding-top:10px;
      }
      .section{
        padding:56px 0;
      }
      .hero-stack{
        grid-template-columns:1fr;
      }
      .data-grid,
      .trust-grid,
      .footer-grid{
        grid-template-columns:1fr;
      }
    }
    @media (max-width: 560px){
      .container{
        width:min(var(--container), calc(100% - 24px));
      }
      .topbar-inner{
        flex-direction:column;
        align-items:flex-start;
        gap:8px;
      }
      .brand-text strong{
        font-size:15px;
      }
      .nav-links a{
        width:100%;
        justify-content:center;
        text-align:center;
      }
      .hero-actions,
      .cta-actions{
        width:100%;
      }
      .hero-actions .btn,
      .cta-actions .btn,
      .section-link{
        width:100%;
      }
      .stat-card,
      .data-card,
      .info-card,
      .mini-panel,
      .trust-card,
      .faq-card,
      .cta-card,
      .feature-content,
      .category-copy{
        padding:18px;
      }
      .feature-media,
      .category-side{
        min-height:220px;
      }
      h1{
        font-size:clamp(30px, 11vw, 48px);
      }
      .section-title h2{
        font-size:clamp(24px, 7vw, 34px);
      }
      .progress-row{
        grid-template-columns:72px 1fr 46px;
      }
      .ticker-track{
        animation-duration:20s;
      }
      .footer-bottom{
        flex-direction:column;
        align-items:flex-start;
      }
    }

/* roulang page: category1 */
:root{
  --bg:#071018;
  --bg-2:#0b1520;
  --panel:#0f1b27;
  --panel-2:#122231;
  --line:rgba(255,255,255,.08);
  --line-2:rgba(160,255,117,.22);
  --text:#ecf5ff;
  --muted:#9db0c3;
  --soft:#6d8094;
  --green:#9efc72;
  --green-2:#5ddc7a;
  --cyan:#6be6ff;
  --purple:#8c7bff;
  --danger:#ff6d7a;
  --shadow:0 18px 50px rgba(0,0,0,.34);
  --shadow-soft:0 10px 30px rgba(0,0,0,.22);
  --radius:20px;
  --radius-sm:14px;
  --radius-xs:10px;
  --gap:24px;
  --container:1180px;
  --header-h:84px;
}

*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{
  margin:0;
  font-family:-apple-system,BlinkMacSystemFont,"Segoe UI","PingFang SC","Hiragino Sans GB","Microsoft YaHei",Arial,sans-serif;
  color:var(--text);
  background:
    radial-gradient(circle at 20% 10%, rgba(94,220,122,.10), transparent 28%),
    radial-gradient(circle at 80% 0%, rgba(107,230,255,.10), transparent 24%),
    linear-gradient(180deg, #071018 0%, #08111a 38%, #09131c 100%);
  line-height:1.65;
  min-height:100vh;
  padding-top:var(--header-h);
  overflow-x:hidden;
}
body::before{
  content:"";
  position:fixed;
  inset:0;
  pointer-events:none;
  background-image:
    linear-gradient(rgba(255,255,255,.03) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255,255,255,.03) 1px, transparent 1px);
  background-size:48px 48px;
  mask-image:linear-gradient(180deg, rgba(0,0,0,.55), transparent 88%);
  opacity:.18;
  z-index:0;
}
a{color:inherit;text-decoration:none}
img{max-width:100%;display:block}
button,input{
  font:inherit;
}
button{
  border:none;
  background:none;
  color:inherit;
}
:focus-visible{
  outline:2px solid var(--green);
  outline-offset:3px;
}
.container{
  width:min(var(--container), calc(100% - 32px));
  margin:0 auto;
  position:relative;
  z-index:1;
}
.section{
  padding:24px 0 12px;
}
.section-head{
  display:flex;
  align-items:end;
  justify-content:space-between;
  gap:16px;
  margin-bottom:18px;
}
.section-head h2{
  margin:0;
  font-size:clamp(22px, 2vw, 32px);
  line-height:1.15;
  letter-spacing:.01em;
}
.section-head p{
  margin:0;
  color:var(--muted);
  max-width:52ch;
}

.site-header{
  position:fixed;
  left:0;
  right:0;
  top:0;
  z-index:20;
  backdrop-filter:blur(18px);
  background:rgba(5,10,16,.82);
  border-bottom:1px solid rgba(255,255,255,.06);
}
.site-header::after{
  content:"";
  position:absolute;
  left:0;
  right:0;
  bottom:0;
  height:1px;
  background:linear-gradient(90deg, transparent, rgba(158,252,114,.55), transparent);
  opacity:.7;
}
.header-inner{
  min-height:var(--header-h);
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:16px;
}
.brand{
  display:flex;
  align-items:center;
  gap:14px;
  min-width:0;
}
.brand-mark{
  width:42px;
  height:42px;
  border-radius:14px;
  background:
    radial-gradient(circle at 30% 30%, rgba(255,255,255,.9), rgba(255,255,255,.12) 24%, transparent 25%),
    linear-gradient(145deg, rgba(158,252,114,1), rgba(93,220,122,.2));
  box-shadow:0 10px 24px rgba(94,220,122,.28), inset 0 0 0 1px rgba(255,255,255,.16);
  position:relative;
  flex:0 0 auto;
}
.brand-mark::after{
  content:"";
  position:absolute;
  inset:10px;
  border-radius:10px;
  border:1px solid rgba(4,13,19,.58);
  transform:rotate(12deg);
}
.brand-text{
  display:flex;
  flex-direction:column;
  line-height:1.1;
  min-width:0;
}
.brand-text strong{
  font-size:15px;
  letter-spacing:.01em;
  white-space:nowrap;
  overflow:hidden;
  text-overflow:ellipsis;
}
.brand-text span{
  font-size:12px;
  color:var(--muted);
  margin-top:6px;
  white-space:nowrap;
  overflow:hidden;
  text-overflow:ellipsis;
}

.nav-toggle{
  display:none;
  align-items:center;
  gap:8px;
  height:42px;
  padding:0 14px;
  border:1px solid rgba(255,255,255,.12);
  border-radius:12px;
  background:rgba(255,255,255,.03);
  color:var(--text);
  cursor:pointer;
  transition:transform .2s ease, background .2s ease, border-color .2s ease;
}
.nav-toggle:hover{
  transform:translateY(-1px);
  background:rgba(255,255,255,.06);
  border-color:rgba(158,252,114,.24);
}
.nav-panel{
  display:flex;
  align-items:center;
  gap:20px;
}
.nav-links{
  display:flex;
  align-items:center;
  gap:8px;
  flex-wrap:wrap;
}
.nav-links a{
  position:relative;
  display:inline-flex;
  align-items:center;
  min-height:40px;
  padding:0 14px;
  color:var(--muted);
  border-radius:12px;
  border:1px solid transparent;
  transition:transform .2s ease, background .2s ease, border-color .2s ease, color .2s ease;
}
.nav-links a:hover,
.nav-links a:focus-visible{
  color:var(--text);
  background:rgba(255,255,255,.05);
  border-color:rgba(255,255,255,.08);
  transform:translateY(-1px);
}
.nav-links a.active{
  color:#051018;
  background:linear-gradient(135deg, var(--green), #d6ffb8);
  border-color:rgba(158,252,114,.5);
  box-shadow:0 10px 24px rgba(158,252,114,.18);
}
.header-actions{
  display:flex;
  align-items:center;
  gap:12px;
}
.status-pill{
  display:inline-flex;
  align-items:center;
  gap:8px;
  height:40px;
  padding:0 12px;
  border-radius:999px;
  color:#cbe7d5;
  background:rgba(25, 48, 33, .68);
  border:1px solid rgba(158,252,114,.18);
  font-size:13px;
}
.status-dot{
  width:8px;
  height:8px;
  border-radius:50%;
  background:var(--green);
  box-shadow:0 0 0 4px rgba(158,252,114,.14);
}
.btn{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  gap:8px;
  min-height:42px;
  padding:0 16px;
  border-radius:12px;
  border:1px solid transparent;
  cursor:pointer;
  transition:transform .2s ease, box-shadow .2s ease, background .2s ease, border-color .2s ease, color .2s ease;
  white-space:nowrap;
}
.btn:hover,
.btn:focus-visible{
  transform:translateY(-2px);
}
.btn-primary{
  color:#071018;
  background:linear-gradient(135deg, var(--green), #dafec0);
  border-color:rgba(158,252,114,.42);
  box-shadow:0 14px 30px rgba(94,220,122,.18);
}
.btn-primary:hover,
.btn-primary:focus-visible{
  box-shadow:0 18px 34px rgba(94,220,122,.26);
}
.btn-secondary{
  color:var(--text);
  background:rgba(255,255,255,.03);
  border-color:rgba(255,255,255,.13);
}
.btn-secondary:hover,
.btn-secondary:focus-visible{
  background:rgba(255,255,255,.07);
  border-color:rgba(158,252,114,.25);
}
.btn-xs{
  min-height:36px;
  padding:0 14px;
  border-radius:11px;
  font-size:14px;
}

.hero{
  margin-top:14px;
  position:relative;
  border:1px solid rgba(255,255,255,.08);
  border-radius:28px;
  overflow:hidden;
  box-shadow:var(--shadow);
  background:
    linear-gradient(135deg, rgba(7,16,24,.72), rgba(7,16,24,.42)),
    url('/assets/images/backpic/back-1.webp') center/cover no-repeat;
}
.hero::before{
  content:"";
  position:absolute;
  inset:0;
  background:
    linear-gradient(90deg, rgba(5,9,14,.9) 0%, rgba(5,9,14,.78) 52%, rgba(5,9,14,.55) 100%),
    radial-gradient(circle at 20% 20%, rgba(93,220,122,.15), transparent 35%);
}
.hero-inner{
  position:relative;
  z-index:1;
  display:grid;
  grid-template-columns:1.3fr .9fr;
  gap:24px;
  padding:42px;
}
.hero-copy{
  max-width:720px;
}
.hero-kicker{
  display:inline-flex;
  align-items:center;
  gap:8px;
  padding:8px 12px;
  border-radius:999px;
  background:rgba(255,255,255,.05);
  border:1px solid rgba(158,252,114,.16);
  color:#d8ffd7;
  font-size:13px;
  margin-bottom:16px;
}
.hero-kicker::before{
  content:"";
  width:8px;
  height:8px;
  border-radius:50%;
  background:var(--green);
  box-shadow:0 0 0 4px rgba(158,252,114,.14);
}
.hero h1{
  margin:0;
  font-size:clamp(34px, 4vw, 58px);
  line-height:1.02;
  letter-spacing:-.03em;
  text-wrap:balance;
}
.hero p{
  margin:18px 0 0;
  color:#c9d7e4;
  max-width:62ch;
  font-size:16px;
}
.hero-actions{
  display:flex;
  gap:12px;
  flex-wrap:wrap;
  margin-top:28px;
}
.tag-rail{
  display:flex;
  gap:10px;
  flex-wrap:wrap;
  margin-top:24px;
}
.tag-rail span,
.badge{
  display:inline-flex;
  align-items:center;
  gap:6px;
  min-height:30px;
  padding:0 11px;
  border-radius:999px;
  background:rgba(255,255,255,.05);
  border:1px solid rgba(255,255,255,.09);
  color:#d5e2ee;
  font-size:12px;
}
.badge.accent{
  background:rgba(158,252,114,.14);
  border-color:rgba(158,252,114,.24);
  color:#dfffcb;
}
.hero-panel{
  display:flex;
  align-items:stretch;
}
.snapshot-card{
  width:100%;
  border-radius:24px;
  border:1px solid rgba(255,255,255,.08);
  background:linear-gradient(180deg, rgba(15,27,39,.96), rgba(10,18,27,.9));
  box-shadow:var(--shadow-soft);
  padding:22px;
  align-self:end;
}
.snapshot-card h3{
  margin:0 0 14px;
  font-size:18px;
}
.snapshot-list{
  list-style:none;
  padding:0;
  margin:0;
  display:grid;
  gap:12px;
}
.snapshot-list li{
  display:flex;
  gap:12px;
  align-items:flex-start;
  padding:12px 0;
  border-top:1px solid rgba(255,255,255,.06);
}
.snapshot-list li:first-child{
  border-top:none;
  padding-top:0;
}
.snapshot-list strong{
  display:block;
  color:#edf8ff;
  font-size:14px;
  margin-bottom:4px;
}
.snapshot-list span{
  color:var(--muted);
  font-size:13px;
}

.stats{
  margin-top:18px;
}
.stats-grid{
  display:grid;
  grid-template-columns:repeat(4, minmax(0,1fr));
  gap:14px;
}
.stat-card{
  background:linear-gradient(180deg, rgba(16,27,38,.92), rgba(12,21,31,.96));
  border:1px solid rgba(255,255,255,.08);
  border-radius:20px;
  padding:20px;
  box-shadow:var(--shadow-soft);
  transition:transform .2s ease, border-color .2s ease, box-shadow .2s ease;
}
.stat-card:hover{
  transform:translateY(-3px);
  border-color:rgba(158,252,114,.22);
  box-shadow:0 16px 34px rgba(0,0,0,.28);
}
.stat-card .num{
  display:block;
  font-size:28px;
  font-weight:800;
  letter-spacing:-.03em;
  color:var(--green);
  line-height:1;
}
.stat-card .label{
  display:block;
  margin-top:10px;
  font-size:14px;
  color:#dce8f2;
}
.stat-card .desc{
  display:block;
  margin-top:8px;
  color:var(--muted);
  font-size:13px;
}

.toolbar{
  margin-top:18px;
  background:linear-gradient(180deg, rgba(17,29,42,.92), rgba(12,21,31,.96));
  border:1px solid rgba(255,255,255,.08);
  border-radius:24px;
  padding:18px;
  box-shadow:var(--shadow-soft);
}
.toolbar-top{
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:18px;
  flex-wrap:wrap;
}
.toolbar-note{
  color:var(--muted);
  font-size:13px;
}
.search-bar{
  display:flex;
  gap:10px;
  align-items:center;
  width:min(520px,100%);
}
.search-bar input{
  flex:1;
  min-width:0;
  height:46px;
  border-radius:14px;
  border:1px solid rgba(255,255,255,.1);
  background:rgba(255,255,255,.03);
  color:var(--text);
  padding:0 14px;
  box-shadow:inset 0 1px 0 rgba(255,255,255,.03);
}
.search-bar input::placeholder{
  color:#7f93a6;
}
.search-bar input:focus{
  border-color:rgba(158,252,114,.28);
  outline:none;
  box-shadow:0 0 0 4px rgba(158,252,114,.08);
}
.filter-row{
  display:flex;
  gap:10px;
  flex-wrap:wrap;
  margin-top:16px;
}
.filter-chip{
  display:inline-flex;
  align-items:center;
  gap:8px;
  min-height:36px;
  padding:0 14px;
  border-radius:999px;
  border:1px solid rgba(255,255,255,.1);
  color:#cfe0ee;
  background:rgba(255,255,255,.03);
  cursor:pointer;
  transition:transform .2s ease, background .2s ease, border-color .2s ease, color .2s ease;
}
.filter-chip:hover{
  transform:translateY(-1px);
  border-color:rgba(158,252,114,.2);
  background:rgba(255,255,255,.06);
}
.filter-chip.active{
  color:#061017;
  background:linear-gradient(135deg, var(--green), #d6ffbf);
  border-color:rgba(158,252,114,.55);
}

.content-section{
  padding-top:24px;
}
.content-layout{
  display:grid;
  grid-template-columns:minmax(0,1.6fr) minmax(280px,.8fr);
  gap:20px;
}
.topic-grid{
  display:grid;
  grid-template-columns:repeat(2, minmax(0,1fr));
  gap:18px;
}
.topic-card{
  overflow:hidden;
  border-radius:22px;
  border:1px solid rgba(255,255,255,.08);
  background:linear-gradient(180deg, rgba(15,27,39,.96), rgba(9,17,26,.96));
  box-shadow:var(--shadow-soft);
  display:flex;
  flex-direction:column;
  min-height:100%;
  transition:transform .2s ease, border-color .2s ease, box-shadow .2s ease;
}
.topic-card:hover{
  transform:translateY(-4px);
  border-color:rgba(158,252,114,.2);
  box-shadow:0 18px 34px rgba(0,0,0,.3);
}
.card-media{
  position:relative;
  aspect-ratio:16/9;
  overflow:hidden;
  background:#0b1219;
}
.card-media::after{
  content:"";
  position:absolute;
  inset:0;
  background:linear-gradient(180deg, transparent 40%, rgba(6,12,18,.74) 100%);
}
.card-media img{
  width:100%;
  height:100%;
  object-fit:cover;
  transform:scale(1.02);
  transition:transform .4s ease;
}
.topic-card:hover .card-media img{
  transform:scale(1.07);
}
.card-body{
  padding:18px 18px 20px;
  display:flex;
  flex-direction:column;
  gap:12px;
  flex:1;
}
.card-topline{
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:10px;
  flex-wrap:wrap;
}
.card-title{
  margin:0;
  font-size:20px;
  line-height:1.25;
  letter-spacing:-.01em;
}
.card-text{
  margin:0;
  color:var(--muted);
  font-size:14px;
}
.card-meta{
  display:flex;
  align-items:center;
  gap:8px;
  flex-wrap:wrap;
  color:#bfd0df;
  font-size:12px;
}
.card-actions{
  margin-top:auto;
  display:flex;
  justify-content:space-between;
  align-items:center;
  gap:12px;
  padding-top:6px;
}
.card-link{
  display:inline-flex;
  align-items:center;
  gap:8px;
  color:var(--green);
  font-weight:600;
}
.card-link::after{
  content:"→";
  transition:transform .2s ease;
}
.topic-card:hover .card-link::after{
  transform:translateX(2px);
}

.side-rail{
  display:grid;
  gap:16px;
}
.side-card{
  background:linear-gradient(180deg, rgba(15,27,39,.96), rgba(9,17,26,.96));
  border:1px solid rgba(255,255,255,.08);
  border-radius:22px;
  box-shadow:var(--shadow-soft);
  padding:18px;
}
.side-card h3{
  margin:0 0 12px;
  font-size:18px;
}
.side-card p{
  margin:0;
  color:var(--muted);
  font-size:14px;
}
.mini-list{
  list-style:none;
  margin:0;
  padding:0;
  display:grid;
  gap:12px;
}
.mini-list li{
  display:flex;
  gap:10px;
  align-items:flex-start;
  color:#d8e5ef;
  font-size:14px;
}
.mini-list li::before{
  content:"";
  width:10px;
  height:10px;
  margin-top:6px;
  border-radius:50%;
  background:linear-gradient(135deg, var(--green), var(--cyan));
  box-shadow:0 0 0 3px rgba(158,252,114,.1);
  flex:0 0 auto;
}
.keyword-grid{
  display:flex;
  gap:10px;
  flex-wrap:wrap;
}
.side-note{
  margin-top:14px;
  padding-top:14px;
  border-top:1px solid rgba(255,255,255,.08);
  color:#bfd0df;
  font-size:13px;
}
.side-highlight{
  display:flex;
  flex-direction:column;
  gap:10px;
}
.side-highlight strong{
  color:#f1fbff;
}
.side-highlight span{
  color:var(--muted);
  font-size:13px;
}

.band{
  margin-top:22px;
  border-radius:24px;
  border:1px solid rgba(255,255,255,.08);
  background:linear-gradient(135deg, rgba(17,28,40,.96), rgba(10,17,25,.98));
  box-shadow:var(--shadow-soft);
  overflow:hidden;
}
.band-inner{
  display:grid;
  grid-template-columns:1.1fr .9fr;
  gap:18px;
  align-items:center;
  padding:24px;
}
.band-copy h2{
  margin:0 0 10px;
  font-size:26px;
  line-height:1.15;
}
.band-copy p{
  margin:0;
  color:var(--muted);
  max-width:60ch;
}
.band-badges{
  display:flex;
  gap:10px;
  flex-wrap:wrap;
  justify-content:flex-end;
}
.band-badges .badge{
  border-color:rgba(158,252,114,.16);
  background:rgba(255,255,255,.04);
}

.faq{
  padding-top:28px;
}
.faq-list{
  display:grid;
  gap:12px;
}
.faq-item{
  background:linear-gradient(180deg, rgba(15,27,39,.96), rgba(9,17,26,.96));
  border:1px solid rgba(255,255,255,.08);
  border-radius:18px;
  overflow:hidden;
  box-shadow:var(--shadow-soft);
}
.faq-btn{
  width:100%;
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:16px;
  text-align:left;
  padding:18px 18px;
  cursor:pointer;
  background:none;
  color:var(--text);
}
.faq-btn strong{
  font-size:16px;
  line-height:1.35;
}
.faq-icon{
  width:32px;
  height:32px;
  border-radius:10px;
  display:grid;
  place-items:center;
  background:rgba(255,255,255,.05);
  border:1px solid rgba(255,255,255,.09);
  flex:0 0 auto;
  transition:transform .2s ease, background .2s ease;
}
.faq-item.open .faq-icon{
  transform:rotate(45deg);
  background:rgba(158,252,114,.12);
  border-color:rgba(158,252,114,.2);
}
.faq-panel{
  display:none;
  padding:0 18px 18px;
  color:var(--muted);
  font-size:14px;
}
.faq-item.open .faq-panel{
  display:block;
}

.cta{
  padding:28px 0 36px;
}
.cta-box{
  display:grid;
  grid-template-columns:1.05fr .95fr;
  gap:20px;
  align-items:center;
  padding:28px;
  border-radius:28px;
  border:1px solid rgba(255,255,255,.08);
  background:
    linear-gradient(135deg, rgba(15,27,39,.98), rgba(9,17,26,.98)),
    url('/assets/images/backpic/back-2.webp') center/cover no-repeat;
  box-shadow:var(--shadow);
  overflow:hidden;
}
.cta-copy h2{
  margin:0 0 10px;
  font-size:28px;
  line-height:1.15;
}
.cta-copy p{
  margin:0;
  color:#cdd9e4;
  max-width:60ch;
}
.cta-form{
  display:flex;
  gap:10px;
  align-items:center;
  justify-content:flex-end;
  flex-wrap:wrap;
}
.cta-form input{
  width:min(360px,100%);
  flex:1 1 260px;
  min-height:46px;
  border-radius:14px;
  border:1px solid rgba(255,255,255,.1);
  background:rgba(255,255,255,.04);
  color:var(--text);
  padding:0 14px;
}
.cta-form input::placeholder{
  color:#8698a9;
}
.cta-form input:focus{
  outline:none;
  border-color:rgba(158,252,114,.28);
  box-shadow:0 0 0 4px rgba(158,252,114,.08);
}
.cta-note{
  margin-top:10px;
  color:var(--muted);
  font-size:12px;
}

.footer{
  margin-top:10px;
  padding:28px 0 18px;
  border-top:1px solid rgba(255,255,255,.08);
  background:rgba(4,9,14,.76);
}
.footer-grid{
  display:grid;
  grid-template-columns:1.2fr .8fr .8fr .9fr;
  gap:20px;
}
.footer-col h4{
  margin:0 0 14px;
  font-size:16px;
}
.footer-col p{
  margin:0;
  color:var(--muted);
  font-size:14px;
}
.footer-links{
  list-style:none;
  margin:0;
  padding:0;
  display:grid;
  gap:10px;
  color:var(--muted);
  font-size:14px;
}
.footer-links a{
  color:#cdd9e4;
}
.footer-links a:hover,
.footer-links a:focus-visible{
  color:var(--green);
}
.footer-bottom{
  margin-top:22px;
  padding-top:16px;
  border-top:1px solid rgba(255,255,255,.08);
  display:flex;
  justify-content:space-between;
  gap:16px;
  flex-wrap:wrap;
  color:var(--soft);
  font-size:13px;
}

@media (max-width: 1080px){
  .hero-inner,
  .band-inner,
  .cta-box,
  .content-layout,
  .footer-grid{
    grid-template-columns:1fr;
  }
  .topic-grid{
    grid-template-columns:1fr;
  }
  .stats-grid{
    grid-template-columns:repeat(2, minmax(0,1fr));
  }
  .band-badges{
    justify-content:flex-start;
  }
}

@media (max-width: 768px){
  body{
    padding-top:72px;
  }
  :root{
    --header-h:72px;
  }
  .header-inner{
    min-height:72px;
  }
  .nav-toggle{
    display:inline-flex;
  }
  .nav-panel{
    position:absolute;
    left:16px;
    right:16px;
    top:calc(100% + 10px);
    display:none;
    flex-direction:column;
    align-items:stretch;
    gap:14px;
    padding:16px;
    border-radius:20px;
    background:rgba(7,16,24,.96);
    border:1px solid rgba(255,255,255,.08);
    box-shadow:var(--shadow);
  }
  .nav-panel.open{
    display:flex;
  }
  .nav-links{
    flex-direction:column;
    align-items:stretch;
  }
  .nav-links a{
    justify-content:center;
  }
  .header-actions{
    justify-content:space-between;
    flex-wrap:wrap;
  }
  .hero-inner{
    padding:28px 18px;
  }
  .section-head{
    align-items:flex-start;
    flex-direction:column;
  }
  .stats-grid{
    grid-template-columns:1fr;
  }
  .toolbar-top,
  .search-bar,
  .cta-form{
    width:100%;
  }
  .search-bar{
    flex-direction:column;
    align-items:stretch;
  }
  .search-bar .btn,
  .cta-form .btn{
    width:100%;
  }
  .faq-btn{
    padding:16px;
  }
  .faq-panel{
    padding:0 16px 16px;
  }
  .footer-grid{
    grid-template-columns:1fr 1fr;
  }
}

@media (max-width: 520px){
  .container{
    width:min(var(--container), calc(100% - 22px));
  }
  .hero{
    border-radius:22px;
  }
  .hero h1{
    font-size:30px;
  }
  .hero p,
  .card-text,
  .side-card p,
  .footer-col p{
    font-size:13px;
  }
  .snapshot-card,
  .toolbar,
  .stat-card,
  .side-card,
  .topic-card,
  .cta-box{
    border-radius:18px;
  }
  .card-title{
    font-size:18px;
  }
  .footer-grid{
    grid-template-columns:1fr;
  }
}