/* roulang page: index */
:root{
      --bg:#07111F;
      --bg-2:#0B1220;
      --panel:#102A4C;
      --cyan:#21D4FD;
      --cyan-soft:rgba(33,212,253,.10);
      --purple:#7C5CFF;
      --green:#35E0A1;
      --text:#F5F8FF;
      --muted:#A9B6CB;
      --weak:#6F7E95;
      --line:rgba(255,255,255,.12);
      --line-strong:rgba(33,212,253,.42);
      --card:rgba(255,255,255,.06);
      --card-2:rgba(255,255,255,.085);
      --shadow:0 22px 70px rgba(0,0,0,.34);
      --shadow-cyan:0 0 32px rgba(33,212,253,.24);
      --radius:24px;
      --radius-lg:32px;
      --container:1180px;
      --nav-h:78px;
      --ease:220ms ease;
      --font:system-ui,-apple-system,BlinkMacSystemFont,"PingFang SC","Microsoft YaHei","Noto Sans SC",sans-serif;
    }
    *{box-sizing:border-box}
    html{scroll-behavior:smooth}
    body{
      margin:0;
      font-family:var(--font);
      color:var(--text);
      background:
        radial-gradient(circle at 12% 5%, rgba(124,92,255,.24), transparent 30%),
        radial-gradient(circle at 86% 18%, rgba(33,212,253,.20), transparent 32%),
        radial-gradient(circle at 52% 82%, rgba(53,224,161,.08), transparent 26%),
        linear-gradient(180deg,#07111F 0%,#0B1220 46%,#07111F 100%);
      line-height:1.75;
      overflow-x:hidden;
    }
    body::before{
      content:"";
      position:fixed;
      inset:0;
      pointer-events:none;
      opacity:.38;
      background-image:
        linear-gradient(rgba(255,255,255,.045) 1px, transparent 1px),
        linear-gradient(90deg, rgba(255,255,255,.045) 1px, transparent 1px);
      background-size:52px 52px;
      mask-image:linear-gradient(to bottom, rgba(0,0,0,.85), transparent 82%);
      z-index:-2;
    }
    body::after{
      content:"";
      position:fixed;
      inset:0;
      pointer-events:none;
      opacity:.12;
      background-image:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='140' height='140' viewBox='0 0 140 140'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='.75' numOctaves='2' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='140' height='140' filter='url(/%23n)' opacity='.35'/%3E%3C/svg%3E");
      z-index:-1;
    }
    a{color:inherit;text-decoration:none}
    img{max-width:100%;display:block}
    button,input,textarea{font:inherit}
    button{border:0;cursor:pointer}
    :focus-visible{
      outline:3px solid rgba(33,212,253,.72);
      outline-offset:4px;
      border-radius:12px;
    }
    .container{
      width:min(100% - 40px,var(--container));
      margin-inline:auto;
    }
    .site-header{
      position:sticky;
      top:0;
      z-index:50;
      height:var(--nav-h);
      display:flex;
      align-items:center;
      background:rgba(7,17,31,.72);
      backdrop-filter:blur(18px);
      border-bottom:1px solid rgba(255,255,255,.09);
      transition:box-shadow var(--ease), background var(--ease);
    }
    .site-header.is-scrolled{
      background:rgba(7,17,31,.88);
      box-shadow:0 16px 42px rgba(0,0,0,.28);
    }
    .nav{
      display:flex;
      align-items:center;
      justify-content:space-between;
      gap:22px;
    }
    .logo{
      display:flex;
      align-items:center;
      gap:12px;
      min-width:0;
      font-weight:800;
      letter-spacing:.01em;
    }
    .logo-mark{
      width:42px;
      height:42px;
      border-radius:14px;
      position:relative;
      flex:0 0 auto;
      background:
        linear-gradient(135deg,rgba(33,212,253,.24),rgba(124,92,255,.28)),
        rgba(255,255,255,.06);
      border:1px solid rgba(255,255,255,.18);
      box-shadow:var(--shadow-cyan);
      overflow:hidden;
    }
    .logo-mark::before{
      content:"";
      position:absolute;
      inset:8px;
      border-radius:10px;
      border:1px solid rgba(156,235,255,.72);
      background:
        linear-gradient(90deg, transparent 47%, rgba(156,235,255,.45) 48% 52%, transparent 53%),
        linear-gradient(transparent 47%, rgba(156,235,255,.45) 48% 52%, transparent 53%);
    }
    .logo-mark::after{
      content:"";
      position:absolute;
      right:8px;
      bottom:8px;
      width:10px;
      height:10px;
      border-radius:999px;
      background:var(--green);
      box-shadow:0 0 18px rgba(53,224,161,.8);
    }
    .logo-text{
      display:flex;
      flex-direction:column;
      line-height:1.15;
      min-width:0;
    }
    .logo-title{
      font-size:16px;
      white-space:nowrap;
      overflow:hidden;
      text-overflow:ellipsis;
      max-width:360px;
    }
    .logo-sub{
      color:var(--muted);
      font-size:12px;
      font-weight:600;
      letter-spacing:.08em;
    }
    .nav-links{
      display:flex;
      align-items:center;
      gap:8px;
      padding:6px;
      border:1px solid rgba(255,255,255,.10);
      background:rgba(255,255,255,.045);
      border-radius:999px;
    }
    .nav-link{
      position:relative;
      padding:10px 17px;
      border-radius:999px;
      color:var(--muted);
      font-weight:700;
      font-size:14px;
      transition:color var(--ease),background var(--ease);
    }
    .nav-link:hover,.nav-link.active{
      color:var(--text);
      background:rgba(33,212,253,.10);
    }
    .nav-link.active::after{
      content:"";
      position:absolute;
      left:20px;
      right:20px;
      bottom:5px;
      height:2px;
      border-radius:999px;
      background:linear-gradient(90deg,var(--cyan),var(--purple));
    }
    .nav-actions{display:flex;align-items:center;gap:12px}
    .menu-toggle{
      display:none;
      width:44px;
      height:44px;
      border-radius:14px;
      color:var(--text);
      background:rgba(255,255,255,.06);
      border:1px solid rgba(255,255,255,.14);
    }
    .menu-toggle span{
      display:block;
      width:18px;
      height:2px;
      background:currentColor;
      margin:4px auto;
      border-radius:99px;
      transition:transform var(--ease),opacity var(--ease);
    }
    .btn{
      display:inline-flex;
      align-items:center;
      justify-content:center;
      gap:9px;
      min-height:46px;
      padding:12px 20px;
      border-radius:999px;
      font-weight:800;
      letter-spacing:.01em;
      transition:transform var(--ease),box-shadow var(--ease),border-color var(--ease),background var(--ease),color var(--ease);
      user-select:none;
      white-space:nowrap;
    }
    .btn-primary{
      color:#fff;
      background:linear-gradient(135deg,#21D4FD,#7C5CFF);
      box-shadow:0 0 28px rgba(33,212,253,.28);
    }
    .btn-primary:hover{
      transform:translateY(-2px);
      box-shadow:0 16px 42px rgba(33,212,253,.28),0 0 30px rgba(124,92,255,.22);
    }
    .btn-primary:active{transform:translateY(0) scale(.99)}
    .btn-secondary{
      color:var(--text);
      background:rgba(255,255,255,.06);
      border:1px solid rgba(255,255,255,.16);
    }
    .btn-secondary:hover{
      background:rgba(255,255,255,.10);
      border-color:rgba(33,212,253,.55);
      transform:translateY(-2px);
    }
    .section{
      padding:96px 0;
      position:relative;
    }
    .section-sm{padding:74px 0}
    .eyebrow{
      display:inline-flex;
      align-items:center;
      gap:9px;
      color:#9CEBFF;
      background:rgba(33,212,253,.10);
      border:1px solid rgba(33,212,253,.25);
      border-radius:999px;
      padding:7px 12px;
      font-size:13px;
      font-weight:800;
      letter-spacing:.02em;
    }
    .eyebrow.green{
      color:#B9FFE5;
      background:rgba(53,224,161,.10);
      border-color:rgba(53,224,161,.25);
    }
    .section-head{
      max-width:760px;
      margin-bottom:38px;
    }
    .section-head.center{
      text-align:center;
      margin-inline:auto;
    }
    h1,h2,h3,p{margin-top:0}
    h1{
      font-size:clamp(36px,5vw,62px);
      line-height:1.08;
      letter-spacing:-.045em;
      margin-bottom:22px;
    }
    h2{
      font-size:clamp(28px,3.4vw,40px);
      line-height:1.18;
      letter-spacing:-.03em;
      margin:14px 0 16px;
    }
    h3{
      font-size:22px;
      line-height:1.35;
      margin-bottom:12px;
    }
    .lead{
      color:var(--muted);
      font-size:18px;
      line-height:1.9;
      margin-bottom:0;
    }
    .muted{color:var(--muted)}
    .weak{color:var(--weak)}
    .gradient-text{
      background:linear-gradient(135deg,#F5F8FF 8%,#9CEBFF 48%,#BDAFFF 90%);
      -webkit-background-clip:text;
      background-clip:text;
      color:transparent;
    }
    .hero{
      padding:82px 0 56px;
      min-height:calc(100vh - var(--nav-h));
      display:flex;
      align-items:center;
    }
    .hero-grid{
      display:grid;
      grid-template-columns:minmax(0,1.02fr) minmax(390px,.82fr);
      gap:52px;
      align-items:center;
    }
    .hero-badges{
      display:flex;
      flex-wrap:wrap;
      gap:10px;
      margin-bottom:24px;
    }
    .hero-actions{
      display:flex;
      flex-wrap:wrap;
      gap:14px;
      margin:30px 0 24px;
    }
    .trust-row{
      display:grid;
      grid-template-columns:repeat(3,minmax(0,1fr));
      gap:14px;
      max-width:670px;
      margin-top:30px;
    }
    .trust-item{
      padding:16px;
      border:1px solid rgba(255,255,255,.10);
      border-radius:18px;
      background:rgba(255,255,255,.045);
    }
    .trust-item strong{
      display:block;
      font-size:15px;
      margin-bottom:4px;
    }
    .trust-item span{
      color:var(--weak);
      font-size:13px;
    }
    .dashboard-wrap{
      position:relative;
      min-height:560px;
    }
    .orb{
      position:absolute;
      border-radius:999px;
      filter:blur(18px);
      opacity:.7;
      pointer-events:none;
    }
    .orb.cyan{width:180px;height:180px;right:4%;top:2%;background:rgba(33,212,253,.22)}
    .orb.purple{width:220px;height:220px;left:0;bottom:6%;background:rgba(124,92,255,.20)}
    .dashboard{
      position:relative;
      margin-top:18px;
      padding:24px;
      border-radius:34px;
      background:
        radial-gradient(circle at 25% 0%, rgba(33,212,253,.14), transparent 36%),
        radial-gradient(circle at 90% 40%, rgba(124,92,255,.16), transparent 34%),
        rgba(255,255,255,.065);
      border:1px solid rgba(255,255,255,.14);
      backdrop-filter:blur(18px);
      box-shadow:var(--shadow);
      overflow:hidden;
    }
    .dashboard::before{
      content:"";
      position:absolute;
      inset:0;
      background:linear-gradient(120deg,transparent,rgba(255,255,255,.08),transparent);
      transform:translateX(-70%);
      animation:sweep 7s ease-in-out infinite;
    }
    @keyframes sweep{
      0%,55%{transform:translateX(-80%)}
      100%{transform:translateX(90%)}
    }
    .dash-top{
      display:flex;
      justify-content:space-between;
      align-items:center;
      gap:16px;
      margin-bottom:18px;
      position:relative;
    }
    .dash-title strong{display:block;font-size:17px}
    .dash-title span{display:block;color:var(--weak);font-size:13px}
    .status-dot{
      display:inline-flex;
      align-items:center;
      gap:8px;
      color:#B9FFE5;
      font-size:13px;
      font-weight:800;
      padding:8px 11px;
      border-radius:999px;
      background:rgba(53,224,161,.10);
      border:1px solid rgba(53,224,161,.24);
    }
    .status-dot i{
      width:8px;height:8px;border-radius:50%;background:var(--green);
      box-shadow:0 0 16px rgba(53,224,161,.8);
    }
    .zone-grid{
      display:grid;
      grid-template-columns:repeat(2,minmax(0,1fr));
      gap:14px;
      position:relative;
    }
    .zone-card{
      min-height:126px;
      padding:18px;
      border-radius:22px;
      background:rgba(11,18,32,.58);
      border:1px solid rgba(255,255,255,.12);
      position:relative;
      overflow:hidden;
      transition:transform var(--ease),border-color var(--ease),background var(--ease);
    }
    .zone-card:hover{
      transform:translateY(-4px);
      border-color:rgba(33,212,253,.48);
      background:rgba(33,212,253,.08);
    }
    .zone-card::after{
      content:"";
      position:absolute;
      right:-20px;
      bottom:-24px;
      width:92px;
      height:92px;
      border-radius:26px;
      border:1px solid rgba(33,212,253,.20);
      transform:rotate(18deg);
    }
    .zone-card b{
      display:flex;
      justify-content:space-between;
      align-items:center;
      font-size:19px;
      margin-bottom:8px;
    }
    .zone-card b small{
      color:var(--green);
      font-size:12px;
      font-weight:800;
    }
    .zone-card p{
      color:var(--muted);
      font-size:13px;
      margin:0;
      line-height:1.7;
    }
    .dash-metrics{
      display:grid;
      grid-template-columns:1.1fr .9fr;
      gap:14px;
      margin-top:14px;
      position:relative;
    }
    .metric-panel{
      padding:18px;
      border-radius:22px;
      border:1px solid rgba(255,255,255,.12);
      background:rgba(255,255,255,.055);
    }
    .bars{
      display:flex;
      align-items:end;
      gap:8px;
      height:86px;
      margin-top:8px;
    }
    .bars span{
      flex:1;
      border-radius:999px 999px 8px 8px;
      background:linear-gradient(180deg,var(--cyan),rgba(124,92,255,.48));
      opacity:.82;
      min-height:20px;
    }
    .shield{
      display:grid;
      place-items:center;
      min-height:132px;
    }
    .shield-icon{
      width:82px;
      height:94px;
      border-radius:42px 42px 22px 22px;
      background:linear-gradient(135deg,rgba(33,212,253,.22),rgba(124,92,255,.28));
      border:1px solid rgba(156,235,255,.35);
      position:relative;
      box-shadow:0 0 34px rgba(33,212,253,.16);
    }
    .shield-icon::before{
      content:"";
      position:absolute;
      left:50%;
      top:20px;
      width:26px;
      height:34px;
      transform:translateX(-50%);
      border:3px solid rgba(245,248,255,.86);
      border-radius:14px 14px 8px 8px;
      border-bottom-width:8px;
    }
    .float-card{
      position:absolute;
      z-index:2;
      padding:12px 14px;
      border-radius:18px;
      background:rgba(7,17,31,.76);
      border:1px solid rgba(255,255,255,.14);
      box-shadow:0 16px 40px rgba(0,0,0,.28);
      backdrop-filter:blur(14px);
      color:var(--text);
      font-size:13px;
      font-weight:800;
    }
    .float-card.one{left:-10px;top:92px}
    .float-card.two{right:-8px;bottom:118px}
    .float-card.three{left:44px;bottom:18px}
    .card{
      background:var(--card);
      border:1px solid var(--line);
      border-radius:var(--radius);
      box-shadow:0 18px 52px rgba(0,0,0,.18);
      backdrop-filter:blur(16px);
      transition:transform var(--ease),border-color var(--ease),background var(--ease),box-shadow var(--ease);
    }
    .card:hover{
      transform:translateY(-4px);
      border-color:rgba(33,212,253,.45);
      background:var(--card-2);
      box-shadow:0 24px 70px rgba(0,0,0,.28);
    }
    .service-layout{
      display:grid;
      grid-template-columns:.84fr 1.16fr;
      gap:24px;
      align-items:stretch;
    }
    .service-list{
      padding:24px;
      display:grid;
      gap:12px;
    }
    .service-list-item{
      display:grid;
      grid-template-columns:42px 1fr;
      gap:14px;
      padding:16px;
      border-radius:20px;
      background:rgba(255,255,255,.045);
      border:1px solid rgba(255,255,255,.09);
    }
    .service-icon,.mini-icon{
      width:42px;
      height:42px;
      border-radius:14px;
      display:grid;
      place-items:center;
      background:linear-gradient(135deg,rgba(33,212,253,.16),rgba(124,92,255,.18));
      border:1px solid rgba(33,212,253,.20);
      color:#9CEBFF;
      font-weight:900;
    }
    .service-list-item h3{font-size:18px;margin:0 0 4px}
    .service-list-item p{margin:0;color:var(--muted);font-size:14px;line-height:1.7}
    .service-feature{
      padding:30px;
      position:relative;
      overflow:hidden;
    }
    .service-feature::before{
      content:"";
      position:absolute;
      inset:0 0 auto 0;
      height:3px;
      background:linear-gradient(90deg,var(--cyan),var(--purple),transparent);
    }
    .feature-grid{
      display:grid;
      grid-template-columns:repeat(2,minmax(0,1fr));
      gap:14px;
      margin-top:24px;
    }
    .feature-mini{
      padding:18px;
      border-radius:20px;
      background:rgba(11,18,32,.42);
      border:1px solid rgba(255,255,255,.10);
    }
    .feature-mini h3{font-size:17px;margin:12px 0 6px}
    .feature-mini p{color:var(--muted);font-size:14px;margin:0}
    .stats-band{
      position:relative;
      padding:30px;
      border-radius:var(--radius-lg);
      background:
        linear-gradient(90deg,rgba(33,212,253,.10),rgba(124,92,255,.10)),
        rgba(255,255,255,.055);
      border:1px solid rgba(255,255,255,.13);
      overflow:hidden;
    }
    .stats-band::before{
      content:"";
      position:absolute;
      left:7%;
      right:7%;
      top:50%;
      height:1px;
      background:linear-gradient(90deg,transparent,rgba(33,212,253,.7),rgba(124,92,255,.6),transparent);
      box-shadow:0 0 28px rgba(33,212,253,.35);
    }
    .stats-grid{
      position:relative;
      display:grid;
      grid-template-columns:repeat(4,minmax(0,1fr));
      gap:18px;
    }
    .stat{
      padding:22px;
      border-radius:22px;
      background:rgba(7,17,31,.54);
      border:1px solid rgba(255,255,255,.11);
    }
    .stat strong{
      display:block;
      font-size:34px;
      line-height:1;
      margin-bottom:10px;
      background:linear-gradient(135deg,#21D4FD,#BDAFFF);
      -webkit-background-clip:text;
      background-clip:text;
      color:transparent;
    }
    .stat span{color:var(--muted);font-size:14px}
    .scenario-wrap{
      display:grid;
      grid-template-columns:1fr 1fr;
      gap:22px;
    }
    .scenario-card{
      display:grid;
      grid-template-columns:170px 1fr;
      gap:20px;
      padding:20px;
      align-items:stretch;
    }
    .scenario-art{
      border-radius:22px;
      min-height:174px;
      border:1px solid rgba(255,255,255,.11);
      background:
        radial-gradient(circle at 35% 30%,rgba(33,212,253,.22),transparent 32%),
        radial-gradient(circle at 70% 76%,rgba(124,92,255,.25),transparent 34%),
        linear-gradient(135deg,rgba(255,255,255,.06),rgba(255,255,255,.02));
      position:relative;
      overflow:hidden;
    }
    .scenario-art::before{
      content:"";
      position:absolute;
      inset:22px;
      border-radius:18px;
      border:1px solid rgba(156,235,255,.22);
      background:
        linear-gradient(rgba(156,235,255,.13) 1px,transparent 1px),
        linear-gradient(90deg,rgba(156,235,255,.13) 1px,transparent 1px);
      background-size:22px 22px;
    }
    .scenario-content{display:flex;flex-direction:column;justify-content:center}
    .tag-row{
      display:flex;
      flex-wrap:wrap;
      gap:8px;
      margin-top:14px;
    }
    .tag{
      display:inline-flex;
      align-items:center;
      border-radius:999px;
      padding:5px 10px;
      font-size:12px;
      font-weight:800;
      color:#9CEBFF;
      background:rgba(33,212,253,.10);
      border:1px solid rgba(33,212,253,.24);
    }
    .tag.green{
      color:#B9FFE5;
      background:rgba(53,224,161,.10);
      border-color:rgba(53,224,161,.24);
    }
    .process{
      display:grid;
      grid-template-columns:repeat(4,minmax(0,1fr));
      gap:18px;
      position:relative;
    }
    .process::before{
      content:"";
      position:absolute;
      left:8%;
      right:8%;
      top:36px;
      height:1px;
      background:linear-gradient(90deg,rgba(33,212,253,.1),rgba(33,212,253,.64),rgba(124,92,255,.5),rgba(33,212,253,.1));
    }
    .step{
      padding:24px;
      position:relative;
      z-index:1;
    }
    .step-num{
      width:48px;
      height:48px;
      display:grid;
      place-items:center;
      border-radius:16px;
      margin-bottom:22px;
      color:white;
      font-weight:900;
      background:linear-gradient(135deg,var(--cyan),var(--purple));
      box-shadow:0 0 28px rgba(33,212,253,.18);
    }
    .news-layout{
      display:grid;
      grid-template-columns:.78fr 1.22fr;
      gap:28px;
      align-items:start;
    }
    .news-aside{
      padding:28px;
      position:sticky;
      top:104px;
    }
    .news-list{
      display:grid;
      grid-template-columns:1fr;
      gap:14px;
    }
    .post-card{
      position:relative;
      padding:22px 22px 22px 26px;
      overflow:hidden;
    }
    .post-card::before{
      content:"";
      position:absolute;
      left:0;
      top:20px;
      bottom:20px;
      width:3px;
      border-radius:999px;
      background:linear-gradient(180deg,var(--cyan),var(--purple));
      opacity:.86;
    }
    .post-meta{
      display:flex;
      flex-wrap:wrap;
      gap:10px;
      align-items:center;
      color:var(--weak);
      font-size:13px;
      margin-bottom:10px;
    }
    .post-card h3{
      font-size:20px;
      margin-bottom:8px;
      transition:color var(--ease);
    }
    .post-card a:hover h3{color:#9CEBFF}
    .post-card p{
      color:var(--muted);
      margin:0 0 14px;
      display:-webkit-box;
      -webkit-line-clamp:2;
      -webkit-box-orient:vertical;
      overflow:hidden;
    }
    .read-link{
      color:#9CEBFF;
      font-weight:800;
      font-size:14px;
    }
    .read-link:hover{text-decoration:underline;text-underline-offset:4px}
    .empty-state{
      padding:34px;
      text-align:center;
      border-style:dashed;
    }
    .empty-icon{
      width:56px;
      height:56px;
      display:grid;
      place-items:center;
      margin:0 auto 14px;
      border-radius:18px;
      color:#9CEBFF;
      background:rgba(33,212,253,.10);
      border:1px solid rgba(33,212,253,.25);
      font-size:26px;
    }
    .faq{
      max-width:920px;
      margin-inline:auto;
      display:grid;
      gap:12px;
    }
    .faq-item{
      border-radius:22px;
      background:rgba(255,255,255,.055);
      border:1px solid rgba(255,255,255,.12);
      overflow:hidden;
      transition:border-color var(--ease),background var(--ease);
    }
    .faq-item.active{
      border-color:rgba(33,212,253,.45);
      background:rgba(33,212,253,.07);
    }
    .faq-q{
      width:100%;
      display:flex;
      justify-content:space-between;
      gap:18px;
      align-items:center;
      padding:20px 22px;
      color:var(--text);
      background:transparent;
      text-align:left;
      font-weight:850;
    }
    .faq-q .plus{
      width:28px;
      height:28px;
      display:grid;
      place-items:center;
      border-radius:10px;
      color:#9CEBFF;
      background:rgba(33,212,253,.10);
      flex:0 0 auto;
      transition:transform var(--ease);
    }
    .faq-item.active .plus{transform:rotate(45deg)}
    .faq-a{
      max-height:0;
      overflow:hidden;
      transition:max-height 260ms ease;
    }
    .faq-a p{
      padding:0 22px 20px;
      margin:0;
      color:var(--muted);
    }
    .cta-panel{
      display:grid;
      grid-template-columns:1fr .88fr;
      gap:28px;
      padding:34px;
      border-radius:34px;
      background:
        radial-gradient(circle at 12% 12%,rgba(33,212,253,.15),transparent 32%),
        radial-gradient(circle at 88% 70%,rgba(124,92,255,.16),transparent 32%),
        rgba(255,255,255,.06);
      border:1px solid rgba(255,255,255,.14);
      box-shadow:var(--shadow);
    }
    .contact-card{
      padding:24px;
      border-radius:26px;
      background:rgba(7,17,31,.62);
      border:1px solid rgba(255,255,255,.12);
    }
    .form-grid{
      display:grid;
      gap:14px;
    }
    .field label{
      display:block;
      margin-bottom:7px;
      color:var(--muted);
      font-size:14px;
      font-weight:700;
    }
    .field input,.field textarea{
      width:100%;
      color:var(--text);
      background:rgba(255,255,255,.055);
      border:1px solid rgba(255,255,255,.14);
      border-radius:16px;
      padding:13px 14px;
      outline:0;
      transition:border-color var(--ease),box-shadow var(--ease),background var(--ease);
    }
    .field textarea{min-height:112px;resize:vertical}
    .field input::placeholder,.field textarea::placeholder{color:#7D8BA1}
    .field input:focus,.field textarea:focus{
      border-color:rgba(33,212,253,.74);
      box-shadow:0 0 0 4px rgba(33,212,253,.10);
      background:rgba(255,255,255,.075);
    }
    .site-footer{
      position:relative;
      padding:56px 0 28px;
      border-top:1px solid rgba(255,255,255,.10);
      background:
        linear-gradient(rgba(255,255,255,.035) 1px,transparent 1px),
        linear-gradient(90deg,rgba(255,255,255,.035) 1px,transparent 1px),
        rgba(4,10,20,.72);
      background-size:42px 42px;
    }
    .footer-grid{
      display:grid;
      grid-template-columns:1.25fr .75fr .9fr;
      gap:34px;
      align-items:start;
    }
    .footer-logo{margin-bottom:14px}
    .footer-title{
      font-weight:900;
      font-size:18px;
    }
    .footer-desc{
      color:var(--muted);
      max-width:480px;
      margin:12px 0 0;
    }
    .footer-col h3{
      font-size:16px;
      margin-bottom:14px;
    }
    .footer-links{
      display:grid;
      gap:10px;
      color:var(--muted);
    }
    .footer-links a:hover{color:#9CEBFF}
    .compliance-box{
      padding:16px;
      border-radius:20px;
      background:rgba(53,224,161,.075);
      border:1px solid rgba(53,224,161,.20);
      color:#C9FFE9;
      font-size:14px;
    }
    .copyright{
      display:flex;
      flex-wrap:wrap;
      gap:10px;
      justify-content:space-between;
      margin-top:34px;
      padding-top:22px;
      border-top:1px solid rgba(255,255,255,.09);
      color:var(--weak);
      font-size:13px;
    }
    .mobile-panel{
      display:none;
    }
    @media (max-width:1024px){
      .logo-title{max-width:270px}
      .nav-links{display:none}
      .menu-toggle{display:inline-block}
      .mobile-panel{
        display:block;
        position:fixed;
        left:20px;
        right:20px;
        top:calc(var(--nav-h) + 10px);
        z-index:49;
        padding:16px;
        border-radius:24px;
        background:rgba(7,17,31,.94);
        border:1px solid rgba(255,255,255,.14);
        box-shadow:var(--shadow);
        backdrop-filter:blur(18px);
        transform:translateY(-16px);
        opacity:0;
        pointer-events:none;
        transition:opacity var(--ease),transform var(--ease);
      }
      .mobile-panel.open{
        opacity:1;
        transform:translateY(0);
        pointer-events:auto;
      }
      .mobile-panel a{width:100%;margin-bottom:10px}
      .hero-grid,.service-layout,.news-layout,.cta-panel{
        grid-template-columns:1fr;
      }
      .dashboard-wrap{min-height:auto}
      .news-aside{position:relative;top:auto}
      .stats-grid{grid-template-columns:repeat(2,minmax(0,1fr))}
      .scenario-wrap{grid-template-columns:1fr}
      .process{grid-template-columns:repeat(2,minmax(0,1fr))}
      .process::before{display:none}
    }
    @media (max-width:768px){
      .container{width:min(100% - 28px,var(--container))}
      .section{padding:68px 0}
      .section-sm{padding:54px 0}
      .site-header{height:72px}
      :root{--nav-h:72px}
      .logo-mark{width:38px;height:38px}
      .logo-title{max-width:210px;font-size:14px}
      .nav-actions .btn-primary{display:none}
      .hero{padding:48px 0 36px;min-height:auto}
      .hero-actions .btn{width:100%}
      .trust-row,.feature-grid,.dash-metrics,.zone-grid{
        grid-template-columns:1fr;
      }
      .dashboard{padding:18px;border-radius:26px}
      .float-card{display:none}
      .stats-grid{grid-template-columns:1fr}
      .scenario-card{grid-template-columns:1fr}
      .process{grid-template-columns:1fr}
      .cta-panel{padding:22px;border-radius:26px}
      .footer-grid{grid-template-columns:1fr}
      .copyright{display:block}
      .copyright span{display:block;margin-top:8px}
    }
    @media (max-width:520px){
      h1{font-size:34px}
      .lead{font-size:16px}
      .logo-title{max-width:170px}
      .logo-sub{display:none}
      .hero-badges{gap:8px}
      .eyebrow{font-size:12px}
      .card,.service-feature,.service-list,.news-aside,.post-card{border-radius:20px}
      .dash-top{align-items:flex-start;flex-direction:column}
      .btn{min-height:44px;padding:11px 16px}
    }

/* roulang page: article */
:root {
      --bg: #07111F;
      --bg-deep: #050B14;
      --bg-soft: #0B1220;
      --panel: rgba(255,255,255,.06);
      --panel-strong: rgba(255,255,255,.09);
      --panel-dark: rgba(7,17,31,.78);
      --border: rgba(255,255,255,.12);
      --border-strong: rgba(33,212,253,.42);
      --text: #F5F8FF;
      --muted: #A9B6CB;
      --weak: #6F7E95;
      --cyan: #21D4FD;
      --cyan-soft: rgba(33,212,253,.12);
      --purple: #7C5CFF;
      --green: #35E0A1;
      --green-soft: rgba(53,224,161,.12);
      --danger: #FF6B6B;
      --shadow: 0 24px 80px rgba(0,0,0,.34);
      --shadow-soft: 0 18px 48px rgba(0,0,0,.24);
      --radius-xl: 28px;
      --radius-lg: 22px;
      --radius-md: 16px;
      --radius-pill: 999px;
      --container: 1180px;
      --font: system-ui, -apple-system, BlinkMacSystemFont, "PingFang SC", "Microsoft YaHei", "Noto Sans SC", sans-serif;
      --ease: 220ms ease;
    }

    * {
      box-sizing: border-box;
      margin: 0;
      padding: 0;
    }

    html {
      scroll-behavior: smooth;
      background: var(--bg);
    }

    body {
      min-height: 100vh;
      color: var(--text);
      font-family: var(--font);
      line-height: 1.75;
      background:
        radial-gradient(circle at 16% 6%, rgba(33,212,253,.18), transparent 32%),
        radial-gradient(circle at 86% 8%, rgba(124,92,255,.22), transparent 34%),
        radial-gradient(circle at 50% 70%, rgba(16,42,76,.52), transparent 45%),
        linear-gradient(180deg, #07111F 0%, #081425 46%, #050B14 100%);
      overflow-x: hidden;
    }

    body::before {
      content: "";
      position: fixed;
      inset: 0;
      pointer-events: none;
      z-index: -2;
      background-image:
        linear-gradient(rgba(255,255,255,.035) 1px, transparent 1px),
        linear-gradient(90deg, rgba(255,255,255,.035) 1px, transparent 1px);
      background-size: 42px 42px;
      mask-image: linear-gradient(to bottom, rgba(0,0,0,.72), transparent 78%);
    }

    body::after {
      content: "";
      position: fixed;
      inset: 0;
      pointer-events: none;
      z-index: -1;
      opacity: .35;
      background:
        repeating-radial-gradient(circle at 20% 20%, rgba(255,255,255,.06) 0 1px, transparent 1px 6px);
      mix-blend-mode: overlay;
    }

    a {
      color: inherit;
      text-decoration: none;
      transition: color var(--ease), border-color var(--ease), background var(--ease), transform var(--ease), box-shadow var(--ease);
    }

    img, svg {
      max-width: 100%;
      display: block;
    }

    button, input, textarea {
      font: inherit;
    }

    button {
      border: 0;
      cursor: pointer;
    }

    ::selection {
      color: #06111F;
      background: var(--cyan);
    }

    :focus-visible {
      outline: 3px solid rgba(33,212,253,.55);
      outline-offset: 4px;
      border-radius: 12px;
    }

    .container {
      width: min(var(--container), calc(100% - 40px));
      margin-inline: auto;
    }

    .site-header {
      position: sticky;
      top: 0;
      z-index: 60;
      border-bottom: 1px solid rgba(255,255,255,.09);
      background: rgba(7,17,31,.74);
      backdrop-filter: blur(18px);
      box-shadow: 0 10px 40px rgba(0,0,0,.16);
    }

    .nav-wrap {
      min-height: 78px;
      display: flex;
      align-items: center;
      justify-content: space-between;
      gap: 24px;
    }

    .logo {
      display: inline-flex;
      align-items: center;
      gap: 12px;
      min-width: 0;
    }

    .logo-mark {
      position: relative;
      width: 44px;
      height: 44px;
      flex: 0 0 auto;
      border-radius: 15px;
      background:
        linear-gradient(135deg, rgba(33,212,253,.92), rgba(124,92,255,.86)),
        radial-gradient(circle at 30% 28%, rgba(255,255,255,.72), transparent 26%);
      box-shadow: 0 0 34px rgba(33,212,253,.22);
    }

    .logo-mark::before,
    .logo-mark::after {
      content: "";
      position: absolute;
      inset: 10px;
      border: 1px solid rgba(255,255,255,.72);
      border-radius: 9px;
    }

    .logo-mark::after {
      inset: 15px 11px 11px 15px;
      border-color: rgba(255,255,255,.42);
      border-left-width: 3px;
      border-bottom-width: 3px;
    }

    .logo-text {
      display: grid;
      gap: 1px;
      min-width: 0;
    }

    .brand-title,
    .footer-title {
      color: var(--text);
      font-weight: 800;
      letter-spacing: -.02em;
      white-space: nowrap;
    }

    .logo-sub {
      color: var(--muted);
      font-size: 12px;
      letter-spacing: .08em;
    }

    .nav-links {
      display: flex;
      align-items: center;
      gap: 8px;
      padding: 6px;
      border: 1px solid rgba(255,255,255,.09);
      border-radius: var(--radius-pill);
      background: rgba(255,255,255,.04);
    }

    .nav-link {
      position: relative;
      display: inline-flex;
      align-items: center;
      justify-content: center;
      min-height: 40px;
      padding: 0 18px;
      color: var(--muted);
      font-size: 14px;
      font-weight: 650;
      border-radius: var(--radius-pill);
    }

    .nav-link::after {
      content: "";
      position: absolute;
      left: 50%;
      bottom: 6px;
      width: 0;
      height: 2px;
      transform: translateX(-50%);
      border-radius: var(--radius-pill);
      background: linear-gradient(90deg, var(--cyan), var(--purple));
      transition: width var(--ease);
    }

    .nav-link:hover {
      color: var(--text);
      background: rgba(33,212,253,.08);
    }

    .nav-link:hover::after,
    .nav-link.active::after {
      width: 18px;
    }

    .nav-link.active {
      color: var(--text);
      background: rgba(255,255,255,.08);
    }

    .nav-actions {
      display: flex;
      align-items: center;
      gap: 12px;
    }

    .nav-cta,
    .btn-primary {
      display: inline-flex;
      align-items: center;
      justify-content: center;
      gap: 9px;
      min-height: 46px;
      padding: 0 22px;
      border-radius: var(--radius-pill);
      color: #fff;
      font-weight: 800;
      background: linear-gradient(135deg, var(--cyan), var(--purple));
      box-shadow: 0 0 28px rgba(33,212,253,.28);
      border: 1px solid rgba(255,255,255,.18);
      white-space: nowrap;
    }

    .nav-cta:hover,
    .btn-primary:hover {
      transform: translateY(-2px);
      box-shadow: 0 18px 44px rgba(33,212,253,.30);
    }

    .nav-cta:active,
    .btn-primary:active {
      transform: translateY(0);
    }

    .btn-secondary {
      display: inline-flex;
      align-items: center;
      justify-content: center;
      gap: 9px;
      min-height: 46px;
      padding: 0 22px;
      border-radius: var(--radius-pill);
      color: var(--text);
      font-weight: 750;
      background: rgba(255,255,255,.06);
      border: 1px solid rgba(255,255,255,.16);
    }

    .btn-secondary:hover {
      border-color: rgba(33,212,253,.5);
      background: rgba(33,212,253,.10);
      transform: translateY(-2px);
    }

    .menu-toggle {
      display: none;
      width: 46px;
      height: 46px;
      border-radius: 15px;
      color: var(--text);
      background: rgba(255,255,255,.07);
      border: 1px solid rgba(255,255,255,.13);
    }

    .menu-toggle span {
      display: block;
      width: 20px;
      height: 2px;
      margin: 5px auto;
      border-radius: 2px;
      background: currentColor;
      transition: transform var(--ease), opacity var(--ease);
    }

    .mobile-panel {
      display: none;
      border-top: 1px solid rgba(255,255,255,.09);
      background: rgba(7,17,31,.95);
      backdrop-filter: blur(18px);
    }

    .mobile-panel-inner {
      padding: 16px 0 22px;
      display: grid;
      gap: 12px;
    }

    .mobile-panel a {
      min-height: 48px;
    }

    .article-hero {
      position: relative;
      padding: 82px 0 54px;
      overflow: hidden;
    }

    .article-hero::before {
      content: "";
      position: absolute;
      inset: 28px auto auto 58%;
      width: 560px;
      height: 320px;
      border-radius: 999px;
      background: radial-gradient(circle, rgba(33,212,253,.22), transparent 62%);
      filter: blur(18px);
      transform: rotate(-18deg);
      pointer-events: none;
    }

    .article-shell {
      position: relative;
      display: grid;
      grid-template-columns: minmax(0, 1fr) 330px;
      gap: 34px;
      align-items: stretch;
    }

    .article-title-card {
      padding: 34px;
      border: 1px solid var(--border);
      border-radius: var(--radius-xl);
      background:
        linear-gradient(135deg, rgba(255,255,255,.08), rgba(255,255,255,.035)),
        radial-gradient(circle at 12% 16%, rgba(33,212,253,.13), transparent 36%),
        radial-gradient(circle at 92% 12%, rgba(124,92,255,.18), transparent 36%);
      box-shadow: var(--shadow);
      backdrop-filter: blur(18px);
    }

    .breadcrumb {
      display: flex;
      flex-wrap: wrap;
      align-items: center;
      gap: 9px;
      margin-bottom: 18px;
      color: var(--muted);
      font-size: 14px;
    }

    .breadcrumb a {
      color: #CDE7F8;
    }

    .breadcrumb a:hover {
      color: var(--cyan);
      text-decoration: underline;
      text-underline-offset: 4px;
    }

    .crumb-sep {
      color: var(--weak);
    }

    .badge-row {
      display: flex;
      flex-wrap: wrap;
      gap: 10px;
      margin-bottom: 20px;
    }

    .badge {
      display: inline-flex;
      align-items: center;
      gap: 7px;
      min-height: 30px;
      padding: 0 12px;
      border-radius: var(--radius-pill);
      color: #9CEBFF;
      font-size: 13px;
      font-weight: 750;
      border: 1px solid rgba(33,212,253,.25);
      background: rgba(33,212,253,.10);
    }

    .badge.green {
      color: #B6FFE4;
      border-color: rgba(53,224,161,.28);
      background: rgba(53,224,161,.10);
    }

    .article-title {
      max-width: 920px;
      color: var(--text);
      font-size: clamp(34px, 5vw, 50px);
      line-height: 1.16;
      letter-spacing: -.04em;
      font-weight: 850;
    }

    .article-summary {
      max-width: 780px;
      margin-top: 20px;
      color: var(--muted);
      font-size: 17px;
      line-height: 1.85;
      display: -webkit-box;
      -webkit-line-clamp: 2;
      -webkit-box-orient: vertical;
      overflow: hidden;
    }

    .article-meta {
      display: flex;
      flex-wrap: wrap;
      gap: 12px 18px;
      margin-top: 24px;
      padding-top: 22px;
      border-top: 1px solid rgba(255,255,255,.11);
      color: var(--muted);
      font-size: 14px;
    }

    .article-meta span {
      display: inline-flex;
      align-items: center;
      gap: 8px;
    }

    .article-meta span::before {
      content: "";
      width: 7px;
      height: 7px;
      border-radius: 50%;
      background: linear-gradient(135deg, var(--cyan), var(--purple));
      box-shadow: 0 0 12px rgba(33,212,253,.45);
    }

    .hero-side-card {
      position: relative;
      padding: 26px;
      border-radius: var(--radius-xl);
      border: 1px solid var(--border);
      background: rgba(255,255,255,.055);
      box-shadow: var(--shadow-soft);
      backdrop-filter: blur(16px);
      overflow: hidden;
    }

    .hero-side-card::before {
      content: "";
      position: absolute;
      inset: 0;
      background:
        linear-gradient(90deg, rgba(33,212,253,.7), rgba(124,92,255,.7)) top / 100% 2px no-repeat,
        radial-gradient(circle at 86% 20%, rgba(124,92,255,.20), transparent 34%);
      pointer-events: none;
    }

    .side-title {
      font-size: 18px;
      font-weight: 800;
      margin-bottom: 16px;
    }

    .partition-mini {
      display: grid;
      grid-template-columns: repeat(2, 1fr);
      gap: 10px;
      margin-bottom: 18px;
    }

    .partition-mini div {
      min-height: 70px;
      padding: 13px;
      border-radius: 16px;
      border: 1px solid rgba(255,255,255,.11);
      background: rgba(255,255,255,.055);
    }

    .partition-mini strong {
      display: block;
      font-size: 18px;
      color: var(--text);
    }

    .partition-mini small {
      color: var(--muted);
      font-size: 12px;
    }

    .side-status {
      display: grid;
      gap: 10px;
    }

    .status-line {
      display: flex;
      justify-content: space-between;
      gap: 14px;
      padding: 12px 0;
      border-top: 1px solid rgba(255,255,255,.09);
      color: var(--muted);
      font-size: 14px;
    }

    .status-line b {
      color: var(--green);
    }

    .main-area {
      padding: 26px 0 104px;
    }

    .article-layout {
      display: grid;
      grid-template-columns: minmax(0, 860px) 280px;
      gap: 38px;
      align-items: start;
    }

    .content-card {
      position: relative;
      border-radius: var(--radius-xl);
      border: 1px solid var(--border);
      background: rgba(255,255,255,.055);
      box-shadow: var(--shadow-soft);
      backdrop-filter: blur(16px);
      overflow: hidden;
    }

    .content-card::before {
      content: "";
      position: absolute;
      inset: 0 0 auto;
      height: 3px;
      background: linear-gradient(90deg, var(--cyan), var(--purple), var(--green));
    }

    .article-content {
      padding: 42px;
      color: #E8EEF9;
      font-size: 17px;
      line-height: 1.88;
      overflow-wrap: break-word;
    }

    .article-content > *:first-child {
      margin-top: 0;
    }

    .article-content p {
      margin: 0 0 22px;
    }

    .article-content h2,
    .article-content h3,
    .article-content h4 {
      color: var(--text);
      line-height: 1.35;
      letter-spacing: -.02em;
    }

    .article-content h2 {
      position: relative;
      margin: 42px 0 18px;
      padding-left: 18px;
      font-size: 30px;
      font-weight: 850;
    }

    .article-content h2::before {
      content: "";
      position: absolute;
      left: 0;
      top: .28em;
      width: 5px;
      height: 1.15em;
      border-radius: var(--radius-pill);
      background: linear-gradient(180deg, var(--cyan), var(--purple));
      box-shadow: 0 0 18px rgba(33,212,253,.34);
    }

    .article-content h3 {
      margin: 32px 0 14px;
      font-size: 23px;
      font-weight: 800;
    }

    .article-content h4 {
      margin: 26px 0 12px;
      font-size: 19px;
      font-weight: 780;
    }

    .article-content a {
      color: #8EEBFF;
      border-bottom: 1px solid rgba(33,212,253,.34);
    }

    .article-content a:hover {
      color: var(--text);
      border-color: var(--cyan);
      text-shadow: 0 0 16px rgba(33,212,253,.28);
    }

    .article-content ul,
    .article-content ol {
      margin: 0 0 24px 1.3em;
      padding-left: 1em;
    }

    .article-content li {
      margin: 9px 0;
      padding-left: 4px;
    }

    .article-content blockquote {
      margin: 30px 0;
      padding: 22px 24px;
      border-left: 4px solid var(--cyan);
      border-radius: 18px;
      color: #DCE8F7;
      background:
        linear-gradient(135deg, rgba(33,212,253,.11), rgba(124,92,255,.07)),
        rgba(255,255,255,.045);
      box-shadow: inset 0 0 0 1px rgba(255,255,255,.08);
    }

    .article-content img {
      width: auto;
      height: auto;
      margin: 30px auto;
      border-radius: 18px;
      border: 1px solid rgba(255,255,255,.12);
      box-shadow: 0 16px 44px rgba(0,0,0,.26);
    }

    .article-content table {
      width: 100%;
      margin: 30px 0;
      border-collapse: collapse;
      border-radius: 18px;
      overflow: hidden;
      background: rgba(255,255,255,.04);
      border: 1px solid rgba(255,255,255,.12);
    }

    .article-content th,
    .article-content td {
      padding: 14px 16px;
      border-bottom: 1px solid rgba(255,255,255,.10);
      text-align: left;
      vertical-align: top;
    }

    .article-content th {
      color: var(--text);
      background: rgba(33,212,253,.10);
      font-weight: 800;
    }

    .article-content tr:last-child td {
      border-bottom: 0;
    }

    .article-content pre,
    .article-content code {
      font-family: ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, "Liberation Mono", monospace;
    }

    .article-content code {
      padding: .15em .45em;
      border-radius: 8px;
      color: #B6FFE4;
      background: rgba(53,224,161,.12);
      border: 1px solid rgba(53,224,161,.16);
    }

    .article-content pre {
      margin: 28px 0;
      padding: 20px;
      overflow-x: auto;
      border-radius: 18px;
      color: #DCE8F7;
      background: rgba(3,8,15,.86);
      border: 1px solid rgba(255,255,255,.11);
    }

    .article-content pre code {
      padding: 0;
      border: 0;
      background: transparent;
      color: inherit;
    }

    .empty-state {
      padding: 70px 34px;
      text-align: center;
    }

    .empty-icon {
      width: 68px;
      height: 68px;
      margin: 0 auto 20px;
      border-radius: 22px;
      background:
        linear-gradient(135deg, rgba(33,212,253,.22), rgba(124,92,255,.18)),
        rgba(255,255,255,.06);
      border: 1px solid rgba(255,255,255,.14);
      position: relative;
    }

    .empty-icon::before {
      content: "";
      position: absolute;
      inset: 17px;
      border: 2px solid rgba(156,235,255,.82);
      border-radius: 10px;
    }

    .empty-state h2 {
      font-size: 28px;
      line-height: 1.3;
      margin-bottom: 10px;
    }

    .empty-state p {
      color: var(--muted);
      margin-bottom: 24px;
    }

    .sidebar {
      position: sticky;
      top: 104px;
      display: grid;
      gap: 18px;
    }

    .side-panel {
      padding: 22px;
      border-radius: 22px;
      border: 1px solid var(--border);
      background: rgba(255,255,255,.055);
      box-shadow: 0 16px 46px rgba(0,0,0,.20);
      backdrop-filter: blur(16px);
    }

    .side-panel h2 {
      margin-bottom: 14px;
      font-size: 18px;
      line-height: 1.35;
    }

    .toc-list {
      display: grid;
      gap: 10px;
      color: var(--muted);
      font-size: 14px;
    }

    .toc-list a {
      padding: 10px 12px;
      border-radius: 14px;
      border: 1px solid rgba(255,255,255,.08);
      background: rgba(255,255,255,.035);
    }

    .toc-list a:hover {
      color: var(--text);
      border-color: rgba(33,212,253,.38);
      background: rgba(33,212,253,.08);
      transform: translateX(2px);
    }

    .reading-tip {
      color: var(--muted);
      font-size: 14px;
    }

    .reading-tip strong {
      color: var(--green);
    }

    .article-after {
      width: min(860px, 100%);
      margin-top: 24px;
      display: grid;
      gap: 22px;
    }

    .compliance-card {
      display: flex;
      gap: 16px;
      padding: 22px;
      border-radius: 22px;
      border: 1px solid rgba(53,224,161,.22);
      background: rgba(53,224,161,.08);
      color: #DDFEF1;
    }

    .compliance-icon {
      width: 44px;
      height: 44px;
      flex: 0 0 auto;
      border-radius: 15px;
      background: rgba(53,224,161,.14);
      border: 1px solid rgba(53,224,161,.28);
      position: relative;
      box-shadow: 0 0 22px rgba(53,224,161,.13);
    }

    .compliance-icon::before {
      content: "";
      position: absolute;
      left: 14px;
      top: 10px;
      width: 16px;
      height: 20px;
      border: 2px solid var(--green);
      border-radius: 10px 10px 7px 7px;
    }

    .compliance-card h2 {
      font-size: 18px;
      margin-bottom: 4px;
    }

    .compliance-card p {
      color: #BDEEDB;
      font-size: 14px;
      line-height: 1.75;
    }

    .return-card {
      padding: 24px;
      border-radius: 24px;
      border: 1px solid var(--border);
      background:
        radial-gradient(circle at 92% 18%, rgba(124,92,255,.16), transparent 34%),
        rgba(255,255,255,.055);
      display: flex;
      align-items: center;
      justify-content: space-between;
      gap: 18px;
    }

    .return-card h2 {
      font-size: 22px;
      margin-bottom: 4px;
    }

    .return-card p {
      color: var(--muted);
      font-size: 14px;
    }

    .recommend-section {
      margin-top: 78px;
    }

    .section-head {
      display: flex;
      justify-content: space-between;
      align-items: end;
      gap: 20px;
      margin-bottom: 24px;
    }

    .section-kicker {
      display: inline-flex;
      align-items: center;
      gap: 8px;
      margin-bottom: 10px;
      color: #9CEBFF;
      font-size: 13px;
      font-weight: 800;
      letter-spacing: .08em;
    }

    .section-kicker::before {
      content: "";
      width: 22px;
      height: 2px;
      border-radius: var(--radius-pill);
      background: linear-gradient(90deg, var(--cyan), var(--purple));
    }

    .section-title {
      font-size: clamp(26px, 3vw, 36px);
      line-height: 1.22;
      letter-spacing: -.03em;
      font-weight: 850;
    }

    .section-desc {
      max-width: 560px;
      margin-top: 10px;
      color: var(--muted);
    }

    .recommend-grid {
      display: grid;
      grid-template-columns: repeat(3, 1fr);
      gap: 18px;
    }

    .recommend-card {
      position: relative;
      min-height: 190px;
      padding: 24px;
      border-radius: 24px;
      border: 1px solid var(--border);
      background: rgba(255,255,255,.055);
      overflow: hidden;
      transition: transform var(--ease), border-color var(--ease), background var(--ease), box-shadow var(--ease);
    }

    .recommend-card::before {
      content: "";
      position: absolute;
      left: 0;
      top: 22px;
      bottom: 22px;
      width: 3px;
      border-radius: var(--radius-pill);
      background: linear-gradient(180deg, var(--cyan), var(--purple));
    }

    .recommend-card:hover {
      transform: translateY(-4px);
      border-color: rgba(33,212,253,.42);
      background: rgba(33,212,253,.075);
      box-shadow: 0 18px 50px rgba(0,0,0,.22);
    }

    .recommend-card small {
      color: var(--weak);
      font-size: 13px;
    }

    .recommend-card h3 {
      margin: 12px 0 10px;
      font-size: 19px;
      line-height: 1.45;
    }

    .recommend-card p {
      color: var(--muted);
      font-size: 14px;
      line-height: 1.7;
    }

    .cta-strip {
      margin-top: 78px;
      padding: 34px;
      border-radius: 28px;
      border: 1px solid rgba(33,212,253,.20);
      background:
        radial-gradient(circle at 12% 18%, rgba(33,212,253,.18), transparent 36%),
        radial-gradient(circle at 86% 20%, rgba(124,92,255,.20), transparent 40%),
        rgba(255,255,255,.055);
      display: grid;
      grid-template-columns: 1fr auto;
      gap: 24px;
      align-items: center;
      box-shadow: var(--shadow-soft);
    }

    .cta-strip h2 {
      font-size: clamp(24px, 3vw, 34px);
      line-height: 1.28;
      margin-bottom: 8px;
    }

    .cta-strip p {
      color: var(--muted);
      max-width: 680px;
    }

    .site-footer {
      position: relative;
      padding: 70px 0 28px;
      border-top: 1px solid rgba(255,255,255,.10);
      background:
        linear-gradient(180deg, rgba(5,11,20,.25), rgba(5,11,20,.88)),
        radial-gradient(circle at 18% 0%, rgba(33,212,253,.10), transparent 32%);
      overflow: hidden;
    }

    .site-footer::before {
      content: "";
      position: absolute;
      inset: 0;
      pointer-events: none;
      background-image:
        linear-gradient(rgba(255,255,255,.026) 1px, transparent 1px),
        linear-gradient(90deg, rgba(255,255,255,.026) 1px, transparent 1px);
      background-size: 38px 38px;
      opacity: .65;
    }

    .footer-grid {
      position: relative;
      display: grid;
      grid-template-columns: 1.35fr .75fr 1fr;
      gap: 44px;
      align-items: start;
    }

    .footer-logo {
      margin-bottom: 18px;
    }

    .footer-desc {
      max-width: 470px;
      color: var(--muted);
      font-size: 15px;
    }

    .footer-col h3 {
      margin-bottom: 16px;
      font-size: 16px;
    }

    .footer-links {
      display: grid;
      gap: 10px;
    }

    .footer-links a {
      color: var(--muted);
      font-size: 15px;
    }

    .footer-links a:hover {
      color: var(--cyan);
      transform: translateX(2px);
    }

    .compliance-box {
      padding: 16px;
      border-radius: 18px;
      color: #CFE7DF;
      font-size: 14px;
      line-height: 1.75;
      border: 1px solid rgba(53,224,161,.18);
      background: rgba(53,224,161,.08);
    }

    .copyright {
      position: relative;
      display: flex;
      justify-content: space-between;
      gap: 18px;
      margin-top: 46px;
      padding-top: 22px;
      border-top: 1px solid rgba(255,255,255,.09);
      color: var(--weak);
      font-size: 13px;
    }

    .backtop {
      position: fixed;
      right: 20px;
      bottom: 22px;
      z-index: 50;
      width: 46px;
      height: 46px;
      border-radius: 16px;
      display: grid;
      place-items: center;
      color: var(--text);
      background: rgba(255,255,255,.08);
      border: 1px solid rgba(255,255,255,.14);
      backdrop-filter: blur(14px);
      box-shadow: 0 14px 34px rgba(0,0,0,.24);
      opacity: 0;
      pointer-events: none;
      transform: translateY(10px);
      transition: opacity var(--ease), transform var(--ease), border-color var(--ease), background var(--ease);
    }

    .backtop.visible {
      opacity: 1;
      pointer-events: auto;
      transform: translateY(0);
    }

    .backtop:hover {
      border-color: rgba(33,212,253,.45);
      background: rgba(33,212,253,.12);
    }

    @media (max-width: 1024px) {
      .nav-links,
      .nav-actions {
        display: none;
      }

      .menu-toggle {
        display: inline-block;
      }

      .mobile-panel.open {
        display: block;
      }

      .article-shell,
      .article-layout {
        grid-template-columns: 1fr;
      }

      .sidebar {
        position: static;
        grid-template-columns: repeat(2, 1fr);
      }

      .recommend-grid {
        grid-template-columns: repeat(2, 1fr);
      }

      .footer-grid {
        grid-template-columns: 1fr 1fr;
      }

      .footer-grid > div:first-child {
        grid-column: 1 / -1;
      }
    }

    @media (max-width: 768px) {
      .container {
        width: min(100% - 32px, var(--container));
      }

      .nav-wrap {
        min-height: 70px;
      }

      .brand-title,
      .footer-title {
        max-width: 230px;
        white-space: normal;
        line-height: 1.18;
        font-size: 14px;
      }

      .article-hero {
        padding: 50px 0 34px;
      }

      .article-title-card {
        padding: 24px;
      }

      .article-summary {
        font-size: 16px;
        -webkit-line-clamp: 3;
      }

      .article-meta {
        display: grid;
        gap: 10px;
      }

      .hero-side-card {
        padding: 22px;
      }

      .partition-mini {
        grid-template-columns: 1fr 1fr;
      }

      .main-area {
        padding-bottom: 74px;
      }

      .article-content {
        padding: 28px 22px;
        font-size: 16px;
        line-height: 1.86;
      }

      .article-content h2 {
        font-size: 25px;
      }

      .article-content h3 {
        font-size: 21px;
      }

      .article-content table {
        display: block;
        overflow-x: auto;
        white-space: nowrap;
      }

      .sidebar {
        grid-template-columns: 1fr;
      }

      .return-card,
      .cta-strip {
        grid-template-columns: 1fr;
        align-items: stretch;
      }

      .return-card .btn-secondary,
      .cta-strip .btn-primary {
        width: 100%;
      }

      .recommend-grid {
        grid-template-columns: 1fr;
      }

      .section-head {
        display: block;
      }

      .footer-grid {
        grid-template-columns: 1fr;
        gap: 30px;
      }

      .copyright {
        flex-direction: column;
      }
    }

    @media (max-width: 520px) {
      .container {
        width: min(100% - 24px, var(--container));
      }

      .logo-mark {
        width: 40px;
        height: 40px;
        border-radius: 14px;
      }

      .brand-title,
      .footer-title {
        max-width: 190px;
        font-size: 13px;
      }

      .logo-sub {
        font-size: 11px;
      }

      .article-title-card {
        border-radius: 22px;
      }

      .article-title {
        font-size: 32px;
      }

      .badge-row {
        gap: 8px;
      }

      .badge {
        font-size: 12px;
      }

      .partition-mini {
        grid-template-columns: 1fr;
      }

      .article-content {
        padding: 24px 18px;
      }

      .compliance-card {
        flex-direction: column;
      }

      .cta-strip {
        padding: 24px;
      }

      .backtop {
        right: 14px;
        bottom: 14px;
      }
    }