/* roulang page: index */
:root{
      --bg:#08090f;
      --bg-2:#0d111e;
      --panel:#121722;
      --panel-2:#181f2c;
      --metal:#252d3a;
      --line:#354155;
      --line-soft:rgba(203,213,225,.16);
      --text:#ffffff;
      --muted:#cbd5e1;
      --muted-2:#93a4ba;
      --accent:#0052ff;
      --cyan:#00f0ff;
      --lime:#9dff4f;
      --warning:#ffbf35;
      --danger:#ff3b5f;
      --success:#29e98b;
      --shadow:0 24px 80px rgba(0,0,0,.45);
      --shadow-neon:0 0 26px rgba(0,240,255,.28);
      --radius:6px;
      --radius-sm:3px;
      --container:1180px;
      --font:Inter,system-ui,-apple-system,BlinkMacSystemFont,"Segoe UI",Roboto,Arial,"Helvetica Neue",sans-serif;
    }
    *{box-sizing:border-box}
    html{scroll-behavior:smooth}
    body{
      margin:0;
      font-family:var(--font);
      line-height:1.62;
      color:var(--text);
      background:
        radial-gradient(circle at 18% 0%, rgba(0,82,255,.24), transparent 34%),
        radial-gradient(circle at 92% 14%, rgba(0,240,255,.16), transparent 30%),
        linear-gradient(180deg,var(--bg),var(--bg-2) 52%,#070910);
      overflow-x:hidden;
      padding-top:86px;
    }
    body:before{
      content:"";
      position:fixed;
      inset:0;
      pointer-events:none;
      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(180deg,rgba(0,0,0,.8),rgba(0,0,0,.18));
      z-index:-2;
    }
    a{color:inherit;text-decoration:none}
    img{max-width:100%;display:block}
    button,input{font:inherit}
    button{border:0}
    .container{max-width:var(--container)}
    .site-header{
      position:fixed;
      inset:0 0 auto 0;
      z-index:1000;
      background:rgba(8,9,15,.86);
      backdrop-filter:blur(16px);
      border-bottom:1px solid rgba(0,240,255,.18);
      box-shadow:0 10px 38px rgba(0,0,0,.32);
    }
    .nav-shell{
      min-height:86px;
      display:flex;
      align-items:center;
      gap:22px;
    }
    .brand{
      display:flex;
      align-items:center;
      gap:12px;
      min-width:246px;
    }
    .brand-mark{
      width:44px;
      height:44px;
      display:grid;
      place-items:center;
      color:#06101d;
      background:linear-gradient(135deg,var(--cyan),var(--accent));
      border:1px solid rgba(255,255,255,.34);
      clip-path:polygon(12% 0,100% 0,100% 76%,86% 100%,0 100%,0 20%);
      box-shadow:var(--shadow-neon);
      font-weight:900;
    }
    .brand-text strong{
      display:block;
      font-size:1rem;
      letter-spacing:.01em;
      line-height:1.1;
    }
    .brand-text span{
      display:block;
      color:var(--muted-2);
      font-size:.78rem;
      margin-top:2px;
    }
    .nav-links{
      display:flex;
      align-items:center;
      gap:6px;
      flex:1;
      min-width:0;
    }
    .nav-links a{
      position:relative;
      padding:10px 12px;
      color:var(--muted);
      font-weight:700;
      font-size:.92rem;
      border:1px solid transparent;
      transition:.22s ease;
      white-space:nowrap;
    }
    .nav-links a:hover,
    .nav-links a:focus{
      color:#fff;
      background:rgba(0,240,255,.08);
      border-color:rgba(0,240,255,.24);
      outline:none;
    }
    .nav-links a.active{
      color:#fff;
      background:linear-gradient(90deg,rgba(0,82,255,.28),rgba(0,240,255,.12));
      border-color:rgba(0,240,255,.38);
      box-shadow:inset 0 -2px 0 var(--cyan);
    }
    .nav-actions{
      display:flex;
      align-items:center;
      gap:10px;
      margin-left:auto;
    }
    .login-link{
      padding:10px 8px;
      color:var(--muted);
      font-weight:800;
      transition:.2s ease;
      white-space:nowrap;
    }
    .login-link:hover{color:#fff}
    .btn-metal,
    .btn-neon,
    .btn-outline-neon{
      display:inline-flex;
      align-items:center;
      justify-content:center;
      gap:9px;
      min-height:44px;
      padding:12px 18px;
      border-radius:var(--radius-sm);
      font-weight:900;
      letter-spacing:.01em;
      transition:transform .18s ease, box-shadow .18s ease, border-color .18s ease, background .18s ease;
    }
    .btn-neon{
      color:#06101d;
      background:linear-gradient(135deg,var(--cyan),#69fffd 46%,var(--lime));
      box-shadow:0 0 24px rgba(0,240,255,.35);
    }
    .btn-neon:hover{transform:translateY(-2px);box-shadow:0 0 34px rgba(0,240,255,.52);color:#06101d}
    .btn-neon:active{transform:translateY(1px) scale(.98)}
    .btn-outline-neon{
      color:#fff;
      border:1px solid rgba(0,240,255,.5);
      background:rgba(18,23,34,.72);
    }
    .btn-outline-neon:hover{background:rgba(0,82,255,.18);border-color:var(--cyan);color:#fff;transform:translateY(-2px)}
    .btn-metal{
      color:#fff;
      background:linear-gradient(180deg,#2b3443,#151b25);
      border:1px solid rgba(203,213,225,.25);
    }
    .btn-metal:hover{color:#fff;border-color:rgba(0,240,255,.45);transform:translateY(-2px)}
    .badge-chip{
      display:inline-flex;
      align-items:center;
      gap:8px;
      padding:7px 10px;
      border:1px solid rgba(0,240,255,.22);
      background:rgba(0,240,255,.06);
      color:#dffcff;
      font-weight:800;
      font-size:.82rem;
      border-radius:var(--radius-sm);
    }
    .section{
      padding:82px 0;
      position:relative;
    }
    .section.compact{padding:56px 0}
    .section-kicker{
      display:inline-flex;
      align-items:center;
      gap:8px;
      color:var(--cyan);
      font-weight:900;
      font-size:.82rem;
      letter-spacing:.08em;
      text-transform:uppercase;
      margin-bottom:10px;
    }
    .section-title{
      font-size:clamp(1.8rem,3.4vw,3rem);
      line-height:1.08;
      font-weight:950;
      margin:0 0 14px;
      letter-spacing:-.04em;
    }
    .section-lead{
      max-width:780px;
      color:var(--muted);
      margin:0 0 28px;
      font-size:1.03rem;
    }
    .hero{
      padding:36px 0 72px;
      min-height:calc(100vh - 86px);
      display:flex;
      align-items:center;
      background-image:
        linear-gradient(90deg,rgba(8,9,15,.9),rgba(8,9,15,.68),rgba(8,9,15,.95)),
        url('/assets/images/backpic/back-1.jpg');
      background-size:cover;
      background-position:center;
      border-bottom:1px solid rgba(0,240,255,.16);
    }
    .flash-bar{
      display:grid;
      grid-template-columns:1.15fr auto auto;
      align-items:center;
      gap:16px;
      padding:14px;
      margin-bottom:22px;
      background:linear-gradient(90deg,rgba(255,59,95,.18),rgba(0,82,255,.18),rgba(0,240,255,.1));
      border:1px solid rgba(0,240,255,.28);
      box-shadow:inset 0 0 0 1px rgba(255,255,255,.04), var(--shadow-neon);
      clip-path:polygon(0 0,98.5% 0,100% 28%,100% 100%,1.5% 100%,0 72%);
    }
    .flash-label{
      display:flex;
      align-items:center;
      gap:12px;
      min-width:0;
    }
    .flash-label i{color:var(--warning);font-size:1.25rem}
    .flash-label strong{display:block;line-height:1.25}
    .flash-label span{display:block;color:var(--muted);font-size:.9rem}
    .countdown{
      display:flex;
      gap:8px;
    }
    .time-box{
      min-width:58px;
      padding:8px 7px;
      text-align:center;
      background:rgba(0,0,0,.42);
      border:1px solid rgba(203,213,225,.22);
    }
    .time-box b{display:block;font-size:1.08rem;line-height:1;color:#fff}
    .time-box small{display:block;color:var(--muted-2);font-size:.68rem;margin-top:4px}
    .hero-grid{
      display:grid;
      grid-template-columns:minmax(0,1fr) 360px;
      grid-template-rows:auto auto;
      gap:18px;
    }
    .hero-copy{
      padding:34px;
      background:linear-gradient(135deg,rgba(18,23,34,.92),rgba(13,17,30,.72));
      border:1px solid rgba(0,240,255,.22);
      box-shadow:var(--shadow);
      clip-path:polygon(0 0,97% 0,100% 10%,100% 100%,3% 100%,0 90%);
    }
    .hero-copy h1{
      max-width:880px;
      font-size:clamp(2.35rem,5.8vw,5.2rem);
      line-height:.98;
      font-weight:1000;
      letter-spacing:-.065em;
      margin:14px 0 18px;
    }
    .hero-copy p{
      max-width:810px;
      color:var(--muted);
      font-size:1.08rem;
      margin:0 0 24px;
    }
    .hero-actions{
      display:flex;
      flex-wrap:wrap;
      gap:12px;
      align-items:center;
    }
    .hero-metrics{
      display:grid;
      grid-template-columns:repeat(3,1fr);
      gap:10px;
      margin-top:28px;
    }
    .metric{
      padding:13px 14px;
      background:rgba(0,0,0,.28);
      border:1px solid rgba(203,213,225,.16);
    }
    .metric b{
      display:block;
      color:#fff;
      font-size:1.15rem;
      line-height:1.15;
    }
    .metric span{color:var(--muted-2);font-size:.82rem}
    .promo-card{
      grid-row:span 2;
      background:linear-gradient(180deg,rgba(37,45,58,.96),rgba(13,17,30,.98));
      border:1px solid rgba(0,240,255,.28);
      box-shadow:var(--shadow);
      padding:14px;
      position:relative;
      overflow:hidden;
    }
    .promo-card:before{
      content:"";
      position:absolute;
      inset:-60px -80px auto auto;
      width:180px;
      height:180px;
      background:radial-gradient(circle,rgba(0,240,255,.28),transparent 68%);
      pointer-events:none;
    }
    .promo-img{
      height:210px;
      overflow:hidden;
      border:1px solid rgba(255,255,255,.14);
      background:#0b0e14;
    }
    .promo-img img{width:100%;height:100%;object-fit:cover;filter:saturate(1.1) contrast(1.08)}
    .promo-body{padding:18px 6px 4px}
    .promo-tags{display:flex;flex-wrap:wrap;gap:8px;margin-bottom:12px}
    .hot-tag{
      padding:5px 8px;
      color:#06101d;
      background:var(--warning);
      font-weight:950;
      font-size:.75rem;
    }
    .new-tag{
      padding:5px 8px;
      color:#e9feff;
      background:rgba(0,82,255,.55);
      border:1px solid rgba(0,240,255,.4);
      font-weight:850;
      font-size:.75rem;
    }
    .promo-body h2{
      font-size:1.35rem;
      line-height:1.2;
      font-weight:950;
      margin:0 0 10px;
    }
    .promo-body p{color:var(--muted);font-size:.94rem;margin:0 0 14px}
    .reward-line{
      display:flex;
      align-items:center;
      justify-content:space-between;
      gap:12px;
      padding:10px 0;
      border-top:1px solid rgba(203,213,225,.14);
      color:var(--muted);
      font-size:.88rem;
    }
    .reward-line b{color:var(--lime)}
    .hero-tasks{
      display:grid;
      grid-template-columns:repeat(3,1fr);
      gap:18px;
    }
    .task-panel{
      padding:18px;
      background:rgba(18,23,34,.76);
      border:1px solid rgba(203,213,225,.16);
      min-height:132px;
    }
    .task-panel i{color:var(--cyan);font-size:1.15rem;margin-bottom:12px}
    .task-panel strong{display:block;margin-bottom:6px}
    .task-panel span{display:block;color:var(--muted-2);font-size:.9rem}
    .latest-layout{
      display:grid;
      grid-template-columns:minmax(0,1.7fr) minmax(280px,.8fr);
      gap:26px;
      align-items:start;
    }
    .news-list{
      border-top:1px solid rgba(0,240,255,.28);
      background:rgba(18,23,34,.48);
    }
    .news-row{
      display:grid;
      grid-template-columns:120px minmax(0,1fr) auto;
      gap:18px;
      align-items:center;
      padding:18px;
      border-bottom:1px solid rgba(203,213,225,.13);
      transition:.22s ease;
    }
    .news-row:hover{
      background:rgba(0,82,255,.12);
      transform:translateX(4px);
    }
    .news-meta{
      color:var(--muted-2);
      font-size:.82rem;
    }
    .news-title{
      color:#fff;
      font-weight:900;
      line-height:1.25;
      margin-bottom:5px;
      display:block;
    }
    .news-title:hover{color:var(--cyan)}
    .news-excerpt{color:var(--muted);font-size:.92rem;margin:0}
    .arrow-link{
      width:38px;height:38px;display:grid;place-items:center;
      border:1px solid rgba(0,240,255,.24);
      color:var(--cyan);
    }
    .empty-updates{
      padding:24px;
      color:var(--muted);
      border:1px solid rgba(203,213,225,.16);
      background:rgba(18,23,34,.55);
    }
    .recommend-panel{
      padding:22px;
      background:linear-gradient(180deg,rgba(37,45,58,.9),rgba(13,17,30,.95));
      border:1px solid rgba(0,240,255,.22);
      position:sticky;
      top:108px;
    }
    .recommend-panel h3{font-size:1.25rem;font-weight:950;margin:12px 0 10px}
    .recommend-panel p{color:var(--muted);margin-bottom:18px}
    .indicator{
      margin:14px 0;
    }
    .indicator-head{
      display:flex;justify-content:space-between;gap:12px;
      color:var(--muted);font-size:.86rem;margin-bottom:7px;
    }
    .bar{
      height:8px;
      background:rgba(255,255,255,.08);
      border:1px solid rgba(255,255,255,.08);
      overflow:hidden;
    }
    .bar span{
      display:block;height:100%;
      background:linear-gradient(90deg,var(--accent),var(--cyan),var(--lime));
      box-shadow:0 0 14px rgba(0,240,255,.55);
    }
    .quick-grid{
      display:grid;
      grid-template-columns:340px minmax(0,1fr);
      gap:26px;
      align-items:start;
    }
    .status-stack{
      padding:24px;
      background:
        linear-gradient(180deg,rgba(18,23,34,.88),rgba(8,9,15,.78)),
        url('/assets/images/backpic/back-2.jpg');
      background-size:cover;
      background-position:center;
      border:1px solid rgba(203,213,225,.18);
      min-height:100%;
    }
    .status-stack h3{font-weight:950;font-size:1.3rem;margin:12px 0}
    .status-stack p{color:var(--muted);margin-bottom:18px}
    .signal-list{display:grid;gap:10px}
    .signal{
      display:flex;align-items:center;justify-content:space-between;
      padding:11px 12px;
      background:rgba(0,0,0,.38);
      border-left:3px solid var(--cyan);
      color:var(--muted);
      font-size:.9rem;
    }
    .signal b{color:#fff}
    .accordion{
      --bs-accordion-bg:transparent;
      --bs-accordion-border-color:rgba(203,213,225,.16);
      --bs-accordion-btn-focus-box-shadow:0 0 0 .2rem rgba(0,240,255,.18);
      --bs-accordion-active-bg:rgba(0,82,255,.16);
      --bs-accordion-active-color:#fff;
    }
    .accordion-item{
      background:rgba(18,23,34,.62);
      border:1px solid rgba(203,213,225,.16)!important;
      border-radius:0!important;
      margin-bottom:10px;
      color:#fff;
    }
    .accordion-button{
      color:#fff;
      background:rgba(18,23,34,.78);
      font-weight:900;
      box-shadow:none!important;
    }
    .accordion-button:after{filter:invert(1)}
    .accordion-body{color:var(--muted)}
    .top-list{
      background:linear-gradient(180deg,rgba(255,255,255,.03),rgba(255,255,255,.01));
      border-top:1px solid rgba(203,213,225,.12);
      border-bottom:1px solid rgba(203,213,225,.12);
    }
    .hot-grid{
      display:grid;
      grid-template-columns:repeat(5,1fr);
      gap:14px;
    }
    .app-card{
      position:relative;
      min-height:286px;
      display:flex;
      flex-direction:column;
      background:linear-gradient(180deg,rgba(37,45,58,.88),rgba(13,17,30,.96));
      border:1px solid rgba(203,213,225,.17);
      overflow:hidden;
      transition:.24s ease;
    }
    .app-card:hover{
      transform:translateY(-6px) scale(1.015);
      border-color:rgba(0,240,255,.6);
      box-shadow:0 16px 36px rgba(0,0,0,.32),0 0 18px rgba(0,240,255,.2);
    }
    .app-card .rank{
      position:absolute;top:10px;left:10px;z-index:2;
      width:36px;height:36px;display:grid;place-items:center;
      color:#06101d;background:linear-gradient(135deg,var(--cyan),var(--lime));
      font-weight:1000;
    }
    .app-card img{height:112px;width:100%;object-fit:cover;opacity:.92}
    .app-card-body{padding:14px;display:flex;flex-direction:column;gap:8px;flex:1}
    .app-card h3{font-size:1rem;font-weight:950;margin:0}
    .app-card p{font-size:.88rem;color:var(--muted);margin:0;flex:1}
    .mini-action{
      display:inline-flex;align-items:center;gap:7px;
      color:var(--cyan);font-weight:900;font-size:.86rem;
    }
    .content-split{
      display:grid;
      grid-template-columns:minmax(0,1.08fr) minmax(320px,.92fr);
      gap:30px;
      align-items:start;
    }
    .editorial{
      padding-right:8px;
    }
    .editorial h2{
      font-size:clamp(1.7rem,3vw,2.55rem);
      line-height:1.1;
      font-weight:950;
      letter-spacing:-.035em;
      margin:0 0 14px;
    }
    .editorial p{color:var(--muted);margin-bottom:18px}
    .check-list{
      display:grid;
      gap:10px;
      padding:0;margin:22px 0 0;list-style:none;
    }
    .check-list li{
      display:grid;
      grid-template-columns:28px minmax(0,1fr);
      gap:10px;
      color:var(--muted);
    }
    .check-list i{color:var(--success);margin-top:4px}
    .category-panels{
      display:grid;
      gap:14px;
    }
    .category-panel{
      display:grid;
      grid-template-columns:118px minmax(0,1fr);
      gap:14px;
      padding:14px;
      background:rgba(18,23,34,.72);
      border:1px solid rgba(203,213,225,.16);
      transition:.22s ease;
    }
    .category-panel:hover{border-color:rgba(0,240,255,.45);transform:translateX(4px)}
    .category-panel img{width:118px;height:104px;object-fit:cover;border:1px solid rgba(255,255,255,.12)}
    .category-panel h3{font-size:1.08rem;font-weight:950;margin:0 0 6px}
    .category-panel p{font-size:.9rem;color:var(--muted);margin:0}
    .process-wrap{
      display:grid;
      grid-template-columns:repeat(4,1fr);
      gap:1px;
      background:rgba(203,213,225,.16);
      border:1px solid rgba(203,213,225,.16);
      margin-top:24px;
    }
    .process-step{
      padding:20px;
      background:linear-gradient(180deg,rgba(24,31,44,.96),rgba(13,17,30,.96));
    }
    .process-step span{
      display:inline-grid;place-items:center;
      width:34px;height:34px;
      color:#06101d;
      background:var(--cyan);
      font-weight:1000;
      margin-bottom:12px;
    }
    .process-step h3{font-size:1rem;font-weight:950;margin:0 0 8px}
    .process-step p{color:var(--muted);font-size:.9rem;margin:0}
    .tips-lane{
      display:grid;
      grid-template-columns:1fr 1fr;
      gap:16px;
      margin-top:24px;
    }
    .tip-box{
      padding:18px;
      background:rgba(0,82,255,.1);
      border-left:3px solid var(--cyan);
    }
    .tip-box strong{display:block;margin-bottom:6px}
    .tip-box span{color:var(--muted);font-size:.92rem}
    .security-grid{
      display:grid;
      grid-template-columns:repeat(4,1fr);
      gap:14px;
    }
    .security-card{
      padding:22px;
      min-height:210px;
      background:linear-gradient(180deg,rgba(37,45,58,.82),rgba(13,17,30,.9));
      border:1px solid rgba(203,213,225,.16);
      position:relative;
      overflow:hidden;
    }
    .security-card:after{
      content:"";
      position:absolute;inset:auto -35px -45px auto;
      width:100px;height:100px;
      background:radial-gradient(circle,rgba(0,240,255,.14),transparent 70%);
    }
    .security-card i{font-size:1.35rem;color:var(--cyan);margin-bottom:14px}
    .security-card h3{font-size:1.06rem;font-weight:950;margin:0 0 8px}
    .security-card p{color:var(--muted);font-size:.91rem;margin:0}
    .warning-panel{
      margin-top:18px;
      padding:20px;
      display:grid;
      grid-template-columns:auto minmax(0,1fr);
      gap:14px;
      border:1px solid rgba(255,59,95,.35);
      background:rgba(255,59,95,.08);
    }
    .warning-panel i{font-size:1.5rem;color:var(--danger);margin-top:4px}
    .warning-panel h3{margin:0 0 6px;font-weight:950}
    .warning-panel p{margin:0;color:var(--muted)}
    .app-dock{
      display:grid;
      grid-template-columns:minmax(0,.95fr) minmax(340px,1.05fr);
      gap:26px;
      align-items:center;
      padding:28px;
      background:
        linear-gradient(90deg,rgba(8,9,15,.94),rgba(13,17,30,.78)),
        url('/assets/images/backpic/back-3.jpg');
      background-size:cover;
      background-position:center;
      border:1px solid rgba(0,240,255,.24);
      box-shadow:var(--shadow);
    }
    .app-visual{
      position:relative;
      border:1px solid rgba(203,213,225,.18);
      overflow:hidden;
      min-height:330px;
      background:#0b0e14;
    }
    .app-visual img{width:100%;height:330px;object-fit:cover;filter:saturate(1.1)}
    .app-overlay{
      position:absolute;
      left:18px;right:18px;bottom:18px;
      padding:14px;
      background:rgba(8,9,15,.82);
      border:1px solid rgba(0,240,255,.28);
      backdrop-filter:blur(10px);
    }
    .payment-badges{display:flex;flex-wrap:wrap;gap:10px;margin:18px 0}
    .pay-badge{
      padding:9px 12px;
      background:rgba(255,255,255,.07);
      border:1px solid rgba(203,213,225,.16);
      color:#fff;
      font-weight:900;
      font-size:.9rem;
    }
    .lead-form{
      display:grid;
      grid-template-columns:minmax(0,1fr) auto;
      gap:10px;
      margin-top:18px;
    }
    .lead-form input{
      min-height:48px;
      padding:0 14px;
      color:#fff;
      background:rgba(0,0,0,.4);
      border:1px solid rgba(203,213,225,.22);
      border-radius:0;
      outline:none;
    }
    .lead-form input:focus{
      border-color:var(--cyan);
      box-shadow:0 0 0 .22rem rgba(0,240,255,.16);
    }
    .form-note{color:var(--muted-2);font-size:.86rem;margin-top:10px}
    .form-result{color:var(--lime);font-weight:800;margin-top:10px;min-height:22px}
    .site-footer{
      padding:54px 0 28px;
      border-top:1px solid rgba(0,240,255,.18);
      background:linear-gradient(180deg,rgba(13,17,30,.9),#05070b);
    }
    .footer-grid{
      display:grid;
      grid-template-columns:1.35fr .8fr .8fr;
      gap:28px;
      align-items:start;
    }
    .footer-brand{
      display:flex;align-items:center;gap:12px;margin-bottom:12px;
    }
    .footer-brand .brand-mark{width:38px;height:38px}
    .footer-title{font-weight:950;font-size:1.08rem}
    .footer-text{color:var(--muted);max-width:520px;margin:0}
    .footer-links{display:grid;gap:10px}
    .footer-links a{color:var(--muted);transition:.18s ease}
    .footer-links a:hover{color:var(--cyan);transform:translateX(3px)}
    .footer-col h3{font-size:1rem;font-weight:950;margin:0 0 12px}
    .footer-bottom{
      display:flex;
      flex-wrap:wrap;
      justify-content:space-between;
      gap:12px;
      padding-top:24px;
      margin-top:30px;
      border-top:1px solid rgba(203,213,225,.12);
      color:var(--muted-2);
      font-size:.9rem;
    }
    .fab{
      position:fixed;
      left:16px;
      bottom:96px;
      z-index:1050;
      min-width:58px;
      height:58px;
      display:flex;
      align-items:center;
      justify-content:center;
      gap:6px;
      padding:0 13px;
      color:#fff;
      background:rgba(0,0,0,.62);
      border:1px solid transparent;
      background-image:
        linear-gradient(rgba(0,0,0,.62),rgba(0,0,0,.62)),
        linear-gradient(135deg,var(--lime),var(--cyan),var(--accent));
      background-origin:border-box;
      background-clip:padding-box,border-box;
      box-shadow:0 0 16px rgba(0,240,255,.5);
      opacity:.68;
      clip-path:polygon(12% 0,100% 0,100% 78%,86% 100%,0 100%,0 20%);
      transition:.22s ease;
      animation:fabBreath 2.4s ease-in-out infinite;
    }
    .fab span{font-weight:1000;letter-spacing:.03em}
    .fab:hover{
      opacity:1;
      color:#fff;
      transform:scale(1.1);
      box-shadow:0 0 32px rgba(0,240,255,.74);
    }
    .fab:hover i{animation:flicker .55s linear}
    .fab:active{transform:scale(.95) translateY(2px)}
    .fab:after{
      content:"";
      position:absolute;
      right:8px;top:7px;
      width:10px;height:10px;
      background:var(--danger);
      border-radius:50%;
      box-shadow:0 0 12px rgba(255,59,95,.9);
      animation:blink 1s step-end infinite;
    }
    @keyframes fabBreath{0%,100%{filter:brightness(.92)}50%{filter:brightness(1.2)}}
    @keyframes blink{50%{opacity:.2}}
    @keyframes flicker{0%,100%{opacity:1}25%{opacity:.35}45%{opacity:1}70%{opacity:.48}}
    @media (max-width:1024px){
      body{padding-top:126px}
      .nav-shell{min-height:126px;flex-wrap:wrap;gap:10px;padding-top:12px;padding-bottom:12px}
      .brand{flex:1;min-width:220px}
      .nav-actions{order:2}
      .nav-links{
        order:3;
        width:100%;
        flex:0 0 100%;
        overflow-x:auto;
        padding-bottom:2px;
        scrollbar-width:none;
      }
      .nav-links::-webkit-scrollbar{display:none}
      .hero{min-height:auto;padding-top:28px}
      .hero-grid,.latest-layout,.quick-grid,.content-split,.app-dock{grid-template-columns:1fr}
      .promo-card{grid-row:auto}
      .hero-tasks,.hero-metrics{grid-template-columns:repeat(3,1fr)}
      .hot-grid{grid-template-columns:repeat(3,1fr)}
      .security-grid,.process-wrap{grid-template-columns:repeat(2,1fr)}
      .recommend-panel{position:static}
    }
    @media (max-width:768px){
      .section{padding:62px 0}
      .flash-bar{grid-template-columns:1fr;clip-path:none}
      .countdown{width:100%;justify-content:space-between}
      .time-box{flex:1}
      .hero-copy{padding:24px;clip-path:none}
      .hero-copy h1{font-size:2.45rem}
      .hero-actions .btn-neon,.hero-actions .btn-outline-neon,.hero-actions .btn-metal{width:100%}
      .hero-tasks,.hero-metrics,.tips-lane{grid-template-columns:1fr}
      .news-row{grid-template-columns:1fr auto;gap:8px}
      .news-meta{grid-column:1/-1}
      .hot-grid{display:flex;overflow-x:auto;scroll-snap-type:x mandatory;padding-bottom:10px}
      .app-card{min-width:245px;scroll-snap-align:start}
      .category-panel{grid-template-columns:96px minmax(0,1fr)}
      .category-panel img{width:96px;height:96px}
      .lead-form{grid-template-columns:1fr}
      .footer-grid{grid-template-columns:1fr}
      .app-dock{padding:20px}
    }
    @media (max-width:520px){
      body{padding-top:138px}
      .brand-text strong{font-size:.92rem}
      .brand-text span{font-size:.72rem}
      .nav-actions{gap:6px}
      .login-link{font-size:.88rem;padding:8px 4px}
      .nav-actions .btn-neon{padding:10px 12px;min-height:40px;font-size:.86rem}
      .nav-links a{font-size:.86rem;padding:9px 10px}
      .section-title{font-size:1.85rem}
      .promo-img,.app-visual,.app-visual img{height:260px;min-height:260px}
      .security-grid,.process-wrap{grid-template-columns:1fr}
      .warning-panel{grid-template-columns:1fr}
      .fab{bottom:86px;min-width:52px;height:52px}
      .fab span{display:none}
    }

/* roulang page: article */
:root {
      --bg: #08090F;
      --bg-2: #0D111E;
      --bg-3: #121826;
      --panel: rgba(18, 24, 38, .88);
      --panel-solid: #121826;
      --metal: #1C2433;
      --metal-2: #283244;
      --primary: #0052FF;
      --primary-2: #00F0FF;
      --accent: #CCFF00;
      --danger: #FF3158;
      --gold: #F5C84C;
      --text: #FFFFFF;
      --text-2: #E5EEF9;
      --muted: #CBD5E1;
      --muted-2: #8EA0B8;
      --line: rgba(203, 213, 225, .16);
      --line-strong: rgba(0, 240, 255, .36);
      --shadow: 0 24px 70px rgba(0, 0, 0, .42);
      --shadow-neon: 0 0 26px rgba(0, 240, 255, .22);
      --radius: 0;
      --radius-soft: 14px;
      --container: 1180px;
      --article: 720px;
      --header-h: 78px;
      --font: "Inter", "Segoe UI", Roboto, Arial, "Helvetica Neue", sans-serif;
    }

    * {
      box-sizing: border-box;
    }

    html {
      scroll-behavior: smooth;
      scrollbar-color: var(--primary-2) var(--bg);
    }

    body {
      margin: 0;
      min-height: 100vh;
      font-family: var(--font);
      color: var(--text);
      background:
        radial-gradient(circle at 18% 6%, rgba(0, 82, 255, .22), transparent 35%),
        radial-gradient(circle at 88% 14%, rgba(0, 240, 255, .12), transparent 30%),
        linear-gradient(135deg, var(--bg) 0%, var(--bg-2) 52%, #070B13 100%);
      line-height: 1.62;
      overflow-x: hidden;
    }

    body::before {
      content: "";
      position: fixed;
      inset: 0;
      pointer-events: none;
      background:
        linear-gradient(rgba(255,255,255,.025) 1px, transparent 1px),
        linear-gradient(90deg, rgba(255,255,255,.025) 1px, transparent 1px);
      background-size: 42px 42px;
      mask-image: linear-gradient(to bottom, rgba(0,0,0,.72), transparent 82%);
      z-index: -2;
    }

    body::after {
      content: "";
      position: fixed;
      inset: 0;
      pointer-events: none;
      background-image: url("/assets/images/backpic/back-2.jpg");
      background-size: cover;
      background-position: center;
      opacity: .12;
      mix-blend-mode: screen;
      z-index: -3;
    }

    a {
      color: inherit;
      text-decoration: none;
      transition: color .22s ease, border-color .22s ease, background .22s ease, transform .22s ease, box-shadow .22s ease;
    }

    a:hover {
      color: var(--primary-2);
    }

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

    button,
    input,
    textarea,
    select {
      font: inherit;
    }

    :focus-visible {
      outline: 3px solid rgba(0, 240, 255, .48);
      outline-offset: 3px;
    }

    .container {
      width: min(100% - 32px, var(--container));
      margin-inline: auto;
      padding-inline: 0;
    }

    .site-header {
      position: sticky;
      top: 0;
      z-index: 1000;
      min-height: var(--header-h);
      background: rgba(8, 9, 15, .84);
      border-bottom: 1px solid var(--line);
      backdrop-filter: blur(18px);
      box-shadow: 0 12px 40px rgba(0, 0, 0, .32);
    }

    .nav-shell {
      min-height: var(--header-h);
      display: flex;
      align-items: center;
      gap: 22px;
    }

    .brand {
      display: inline-flex;
      align-items: center;
      gap: 12px;
      min-width: 250px;
      color: var(--text);
    }

    .brand:hover {
      color: var(--text);
      transform: translateY(-1px);
    }

    .brand-mark {
      width: 44px;
      height: 44px;
      display: inline-grid;
      place-items: center;
      flex: 0 0 44px;
      color: var(--text);
      background:
        linear-gradient(135deg, rgba(0, 82, 255, .95), rgba(0, 240, 255, .78));
      border: 1px solid rgba(255, 255, 255, .18);
      box-shadow: 0 0 26px rgba(0, 240, 255, .34);
      clip-path: polygon(14% 0, 100% 0, 86% 100%, 0 100%);
    }

    .brand-mark i {
      filter: drop-shadow(0 0 8px rgba(255,255,255,.55));
    }

    .brand-text {
      display: flex;
      flex-direction: column;
      line-height: 1.15;
    }

    .brand-text strong {
      font-size: .98rem;
      letter-spacing: -.02em;
      white-space: nowrap;
    }

    .brand-text span {
      margin-top: 4px;
      color: var(--muted-2);
      font-size: .78rem;
      white-space: nowrap;
    }

    .nav-links {
      display: flex;
      align-items: center;
      gap: 6px;
      flex: 1 1 auto;
      min-width: 0;
    }

    .nav-links a {
      position: relative;
      padding: 10px 12px;
      color: var(--muted);
      font-weight: 700;
      font-size: .92rem;
      border: 1px solid transparent;
      white-space: nowrap;
    }

    .nav-links a:hover,
    .nav-links a.active {
      color: var(--text);
      background: rgba(0, 82, 255, .12);
      border-color: rgba(0, 240, 255, .22);
      box-shadow: inset 0 -2px 0 rgba(0, 240, 255, .72);
    }

    .nav-actions {
      display: flex;
      align-items: center;
      gap: 10px;
      margin-left: auto;
      flex: 0 0 auto;
    }

    .login-link {
      color: var(--muted);
      font-weight: 800;
      font-size: .92rem;
      padding: 10px 8px;
    }

    .login-link:hover {
      color: var(--text);
    }

    .btn-neon,
    .btn-ghost,
    .btn-metal {
      display: inline-flex;
      align-items: center;
      justify-content: center;
      gap: 9px;
      min-height: 46px;
      padding: 12px 18px;
      border-radius: var(--radius);
      font-weight: 900;
      letter-spacing: -.01em;
      border: 1px solid transparent;
      transition: transform .22s ease, box-shadow .22s ease, background .22s ease, border-color .22s ease, color .22s ease;
    }

    .btn-neon {
      color: #06121F;
      background: linear-gradient(135deg, var(--primary-2), var(--accent));
      box-shadow: 0 0 0 1px rgba(255,255,255,.14) inset, 0 14px 34px rgba(0, 240, 255, .25);
    }

    .btn-neon:hover {
      color: #020617;
      transform: translateY(-2px);
      box-shadow: 0 0 0 1px rgba(255,255,255,.22) inset, 0 18px 42px rgba(0, 240, 255, .34);
    }

    .btn-neon:active,
    .btn-ghost:active,
    .btn-metal:active {
      transform: translateY(1px) scale(.99);
    }

    .btn-ghost {
      color: var(--text);
      background: rgba(255,255,255,.04);
      border-color: var(--line-strong);
      box-shadow: inset 0 0 0 1px rgba(0, 82, 255, .14);
    }

    .btn-ghost:hover {
      color: var(--primary-2);
      background: rgba(0, 240, 255, .08);
      box-shadow: var(--shadow-neon);
    }

    .btn-metal {
      color: var(--text-2);
      background: linear-gradient(135deg, rgba(40, 50, 68, .96), rgba(18, 24, 38, .96));
      border-color: rgba(203, 213, 225, .22);
    }

    .btn-metal:hover {
      color: var(--text);
      border-color: rgba(0, 240, 255, .42);
      box-shadow: 0 18px 44px rgba(0, 0, 0, .28);
    }

    .page-hero {
      position: relative;
      overflow: hidden;
      padding: 58px 0 44px;
      border-bottom: 1px solid var(--line);
    }

    .page-hero::before {
      content: "";
      position: absolute;
      inset: 0;
      background:
        linear-gradient(90deg, rgba(8,9,15,.94), rgba(8,9,15,.72) 52%, rgba(8,9,15,.92)),
        url("/assets/images/backpic/back-1.jpg") center/cover no-repeat;
      opacity: .98;
      z-index: -2;
    }

    .page-hero::after {
      content: "";
      position: absolute;
      right: -140px;
      top: -120px;
      width: 520px;
      height: 520px;
      background: radial-gradient(circle, rgba(0,240,255,.2), transparent 62%);
      z-index: -1;
    }

    .hero-grid {
      display: grid;
      grid-template-columns: minmax(0, 1fr) 360px;
      gap: 38px;
      align-items: center;
    }

    .crumbs {
      display: flex;
      flex-wrap: wrap;
      align-items: center;
      gap: 8px;
      margin-bottom: 18px;
      color: var(--muted-2);
      font-size: .9rem;
      font-weight: 700;
    }

    .crumbs a {
      color: var(--muted);
      border-bottom: 1px solid transparent;
    }

    .crumbs a:hover {
      color: var(--primary-2);
      border-color: rgba(0,240,255,.45);
    }

    .eyebrow {
      display: inline-flex;
      align-items: center;
      gap: 8px;
      width: fit-content;
      margin-bottom: 16px;
      padding: 7px 11px;
      color: var(--accent);
      background: rgba(204, 255, 0, .08);
      border: 1px solid rgba(204, 255, 0, .24);
      font-size: .82rem;
      font-weight: 900;
      letter-spacing: .02em;
    }

    .hero-title {
      max-width: 850px;
      margin: 0 0 18px;
      color: var(--text);
      font-size: clamp(2.1rem, 5vw, 4.7rem);
      line-height: .98;
      letter-spacing: -.065em;
      text-wrap: balance;
    }

    .hero-summary {
      max-width: 780px;
      margin: 0 0 22px;
      color: var(--muted);
      font-size: clamp(1rem, 1.6vw, 1.15rem);
    }

    .hero-points {
      display: grid;
      grid-template-columns: repeat(2, minmax(0, 1fr));
      gap: 10px;
      max-width: 760px;
      margin: 0 0 26px;
      padding: 0;
      list-style: none;
    }

    .hero-points li {
      display: flex;
      align-items: center;
      gap: 10px;
      padding: 12px 13px;
      color: var(--text-2);
      background: rgba(18, 24, 38, .72);
      border: 1px solid var(--line);
      font-weight: 750;
    }

    .hero-points i {
      color: var(--primary-2);
    }

    .hero-actions {
      display: flex;
      flex-wrap: wrap;
      gap: 12px;
      margin-bottom: 22px;
    }

    .trust-strip {
      display: flex;
      flex-wrap: wrap;
      gap: 10px;
      color: var(--muted-2);
      font-size: .86rem;
      font-weight: 700;
    }

    .trust-strip span {
      display: inline-flex;
      align-items: center;
      gap: 7px;
      padding: 8px 10px;
      background: rgba(255, 255, 255, .035);
      border: 1px solid rgba(203, 213, 225, .12);
    }

    .trust-strip i {
      color: var(--accent);
    }

    .hero-panel {
      position: relative;
      background: linear-gradient(145deg, rgba(28, 36, 51, .94), rgba(13, 17, 30, .96));
      border: 1px solid rgba(0, 240, 255, .28);
      box-shadow: var(--shadow), var(--shadow-neon);
      padding: 14px;
      clip-path: polygon(0 0, calc(100% - 24px) 0, 100% 24px, 100% 100%, 24px 100%, 0 calc(100% - 24px));
    }

    .hero-cover {
      position: relative;
      min-height: 220px;
      overflow: hidden;
      border: 1px solid rgba(255,255,255,.1);
    }

    .hero-cover img {
      width: 100%;
      height: 220px;
      object-fit: cover;
      opacity: .78;
      filter: saturate(1.1) contrast(1.08);
    }

    .hero-cover::after {
      content: "";
      position: absolute;
      inset: 0;
      background: linear-gradient(to top, rgba(8,9,15,.92), transparent 64%);
    }

    .ticker-box {
      margin-top: 14px;
      padding: 15px;
      background:
        linear-gradient(90deg, rgba(0,82,255,.14), transparent),
        rgba(8, 9, 15, .62);
      border: 1px solid var(--line);
    }

    .ticker-title {
      display: flex;
      justify-content: space-between;
      gap: 12px;
      color: var(--text);
      font-weight: 900;
      margin-bottom: 12px;
    }

    .pulse-dot {
      width: 10px;
      height: 10px;
      display: inline-block;
      border-radius: 999px;
      background: var(--accent);
      box-shadow: 0 0 16px rgba(204,255,0,.8);
      animation: pulseDot 1.35s infinite ease-in-out;
    }

    .metric-list {
      display: grid;
      gap: 12px;
    }

    .metric-line {
      display: grid;
      gap: 6px;
    }

    .metric-line .line-top {
      display: flex;
      justify-content: space-between;
      color: var(--muted);
      font-size: .86rem;
      font-weight: 800;
    }

    .bar {
      height: 8px;
      background: rgba(255,255,255,.07);
      border: 1px solid rgba(255,255,255,.08);
      overflow: hidden;
    }

    .bar span {
      display: block;
      height: 100%;
      background: linear-gradient(90deg, var(--primary), var(--primary-2), var(--accent));
      box-shadow: 0 0 18px rgba(0,240,255,.45);
    }

    @keyframes pulseDot {
      0%, 100% { transform: scale(.78); opacity: .65; }
      50% { transform: scale(1.15); opacity: 1; }
    }

    .main-wrap {
      padding: 44px 0 72px;
    }

    .local-flow {
      margin-bottom: 34px;
      padding: 18px;
      background: rgba(18, 24, 38, .62);
      border: 1px solid var(--line);
      box-shadow: 0 20px 60px rgba(0, 0, 0, .2);
    }

    .flow-head {
      display: flex;
      align-items: end;
      justify-content: space-between;
      gap: 18px;
      margin-bottom: 16px;
      padding-bottom: 16px;
      border-bottom: 1px solid var(--line);
    }

    .flow-head h2,
    .section-title {
      margin: 0;
      font-size: clamp(1.28rem, 2vw, 1.75rem);
      line-height: 1.18;
      letter-spacing: -.035em;
    }

    .flow-head p {
      max-width: 570px;
      margin: 0;
      color: var(--muted);
    }

    .flow-grid {
      display: grid;
      grid-template-columns: 1.08fr .92fr .9fr;
      gap: 12px;
    }

    .flow-item {
      min-height: 128px;
      padding: 17px;
      background:
        linear-gradient(135deg, rgba(0,82,255,.12), transparent 58%),
        rgba(8, 9, 15, .42);
      border: 1px solid rgba(203,213,225,.14);
      transition: transform .22s ease, border-color .22s ease, background .22s ease;
    }

    .flow-item:hover {
      transform: translateY(-3px);
      border-color: rgba(0,240,255,.44);
      background:
        linear-gradient(135deg, rgba(0,240,255,.13), transparent 58%),
        rgba(8, 9, 15, .58);
    }

    .flow-item .icon {
      width: 36px;
      height: 36px;
      display: inline-grid;
      place-items: center;
      margin-bottom: 12px;
      color: var(--primary-2);
      border: 1px solid rgba(0,240,255,.38);
      background: rgba(0,240,255,.08);
    }

    .flow-item h3 {
      margin: 0 0 8px;
      font-size: 1.02rem;
      font-weight: 900;
    }

    .flow-item p {
      margin: 0;
      color: var(--muted);
      font-size: .94rem;
    }

    .content-layout {
      display: grid;
      grid-template-columns: minmax(0, var(--article)) minmax(280px, 1fr);
      gap: 34px;
      align-items: start;
    }

    .article-column {
      min-width: 0;
    }

    .article-meta {
      display: flex;
      flex-wrap: wrap;
      gap: 10px;
      margin-bottom: 18px;
    }

    .badge-tech {
      display: inline-flex;
      align-items: center;
      gap: 7px;
      padding: 8px 10px;
      color: var(--muted);
      background: rgba(255,255,255,.04);
      border: 1px solid var(--line);
      font-size: .84rem;
      font-weight: 800;
    }

    .badge-tech strong {
      color: var(--text);
    }

    .article-card {
      background: rgba(13, 17, 30, .76);
      border: 1px solid rgba(203, 213, 225, .16);
      box-shadow: var(--shadow);
    }

    .article-intro {
      padding: 24px 24px 0;
    }

    .article-intro .lead {
      margin: 0 0 22px;
      color: var(--text-2);
      font-size: 1.08rem;
      border-left: 3px solid var(--primary-2);
      padding-left: 16px;
    }

    .article-body {
      padding: 0 24px 28px;
      color: var(--text-2);
      font-size: 1.02rem;
    }

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

    .article-body p {
      margin: 0 0 1.05rem;
      color: var(--text-2);
    }

    .article-body h2,
    .article-body h3,
    .article-body h4 {
      color: var(--text);
      letter-spacing: -.025em;
      line-height: 1.22;
      margin: 2rem 0 .85rem;
    }

    .article-body h2 {
      font-size: 1.7rem;
      padding-bottom: 10px;
      border-bottom: 1px solid var(--line);
    }

    .article-body h3 {
      font-size: 1.32rem;
    }

    .article-body ul,
    .article-body ol {
      padding-left: 1.25rem;
      margin: 0 0 1.15rem;
    }

    .article-body li {
      margin-bottom: .55rem;
    }

    .article-body a {
      color: var(--primary-2);
      border-bottom: 1px solid rgba(0,240,255,.35);
      font-weight: 800;
    }

    .article-body a:hover {
      color: var(--accent);
      border-color: rgba(204,255,0,.55);
    }

    .article-body blockquote {
      margin: 1.4rem 0;
      padding: 18px 18px 18px 20px;
      background: rgba(0, 82, 255, .08);
      border-left: 4px solid var(--primary-2);
      color: var(--text);
    }

    .article-body table {
      width: 100%;
      border-collapse: collapse;
      margin: 1.35rem 0;
      color: var(--text-2);
      overflow: hidden;
    }

    .article-body th,
    .article-body td {
      padding: 12px;
      border: 1px solid var(--line);
      vertical-align: top;
    }

    .article-body th {
      color: var(--text);
      background: rgba(0,82,255,.12);
    }

    .not-found-box {
      padding: 26px;
      border: 1px solid rgba(255, 49, 88, .32);
      background: rgba(255, 49, 88, .06);
    }

    .not-found-box h2 {
      margin: 0 0 10px;
      color: var(--text);
      font-size: 1.55rem;
      border: 0;
      padding: 0;
    }

    .sidebar {
      position: sticky;
      top: calc(var(--header-h) + 22px);
      display: grid;
      gap: 18px;
    }

    .side-block {
      background: rgba(18, 24, 38, .76);
      border: 1px solid var(--line);
      box-shadow: 0 18px 50px rgba(0,0,0,.22);
    }

    .side-block.media {
      overflow: hidden;
    }

    .side-image {
      height: 166px;
      position: relative;
      overflow: hidden;
      border-bottom: 1px solid var(--line);
    }

    .side-image img {
      width: 100%;
      height: 100%;
      object-fit: cover;
      opacity: .72;
      transition: transform .35s ease, opacity .35s ease;
    }

    .side-block:hover .side-image img {
      transform: scale(1.04);
      opacity: .9;
    }

    .side-inner {
      padding: 18px;
    }

    .side-title {
      margin: 0 0 12px;
      font-size: 1.08rem;
      font-weight: 950;
      letter-spacing: -.025em;
    }

    .quick-list {
      display: grid;
      gap: 10px;
      margin: 0;
      padding: 0;
      list-style: none;
    }

    .quick-list li {
      display: flex;
      gap: 10px;
      align-items: flex-start;
      color: var(--muted);
      font-size: .94rem;
    }

    .quick-list i {
      margin-top: 4px;
      color: var(--accent);
    }

    .rank-list {
      display: grid;
      gap: 12px;
    }

    .rank-item {
      display: grid;
      grid-template-columns: 34px 1fr;
      gap: 12px;
      align-items: center;
      padding: 11px;
      background: rgba(8, 9, 15, .42);
      border: 1px solid rgba(203,213,225,.12);
    }

    .rank-no {
      width: 34px;
      height: 34px;
      display: grid;
      place-items: center;
      background: linear-gradient(135deg, var(--primary), var(--primary-2));
      color: white;
      font-weight: 950;
    }

    .rank-item strong {
      display: block;
      color: var(--text);
      font-size: .95rem;
      line-height: 1.25;
    }

    .rank-item span {
      display: block;
      color: var(--muted-2);
      font-size: .82rem;
      margin-top: 3px;
    }

    .category-entrance {
      display: grid;
      gap: 10px;
    }

    .category-link {
      display: flex;
      align-items: center;
      justify-content: space-between;
      gap: 12px;
      padding: 13px 14px;
      background: rgba(255,255,255,.035);
      border: 1px solid rgba(203,213,225,.12);
      color: var(--text-2);
      font-weight: 900;
    }

    .category-link:hover {
      color: var(--text);
      border-color: rgba(0,240,255,.42);
      background: rgba(0,240,255,.07);
      transform: translateX(3px);
    }

    .regional-section,
    .faq-section,
    .article-cta {
      margin-top: 34px;
    }

    .regional-section {
      display: grid;
      grid-template-columns: .9fr 1.1fr;
      gap: 18px;
      align-items: stretch;
      padding: 20px;
      background:
        linear-gradient(135deg, rgba(0,82,255,.11), transparent 55%),
        rgba(18, 24, 38, .58);
      border: 1px solid var(--line);
    }

    .regional-copy p {
      margin: 10px 0 0;
      color: var(--muted);
    }

    .nearby-grid {
      display: grid;
      grid-template-columns: repeat(2, minmax(0, 1fr));
      gap: 12px;
    }

    .nearby-card {
      padding: 15px;
      min-height: 126px;
      background: rgba(8,9,15,.48);
      border: 1px solid rgba(203,213,225,.13);
    }

    .nearby-card h3 {
      margin: 0 0 8px;
      color: var(--text);
      font-size: 1rem;
      font-weight: 950;
    }

    .nearby-card p {
      margin: 0;
      color: var(--muted);
      font-size: .92rem;
    }

    .nearby-card i {
      color: var(--primary-2);
      margin-bottom: 10px;
    }

    .faq-section {
      background: rgba(13, 17, 30, .7);
      border: 1px solid var(--line);
      padding: 24px;
    }

    .faq-section .section-title {
      margin-bottom: 16px;
    }

    .accordion {
      --bs-accordion-bg: transparent;
      --bs-accordion-border-color: rgba(203,213,225,.14);
      --bs-accordion-border-radius: 0;
      --bs-accordion-inner-border-radius: 0;
      --bs-accordion-btn-focus-box-shadow: 0 0 0 .2rem rgba(0,240,255,.18);
      --bs-accordion-active-bg: rgba(0,82,255,.12);
      --bs-accordion-active-color: #fff;
      display: grid;
      gap: 10px;
    }

    .accordion-item {
      color: var(--text-2);
      border: 1px solid rgba(203,213,225,.14) !important;
      background: rgba(255,255,255,.025);
    }

    .accordion-button {
      color: var(--text);
      font-weight: 900;
      background: rgba(255,255,255,.025);
      box-shadow: none !important;
    }

    .accordion-button:not(.collapsed) {
      color: var(--text);
      background: rgba(0,82,255,.12);
    }

    .accordion-button::after {
      filter: invert(1) grayscale(1);
    }

    .accordion-body {
      color: var(--muted);
      padding-top: 0;
    }

    .article-cta {
      position: relative;
      overflow: hidden;
      padding: 28px;
      background:
        linear-gradient(135deg, rgba(0, 240, 255, .12), rgba(204, 255, 0, .08)),
        rgba(18, 24, 38, .82);
      border: 1px solid rgba(0, 240, 255, .32);
      box-shadow: var(--shadow-neon);
    }

    .article-cta::after {
      content: "PLAY";
      position: absolute;
      right: 18px;
      bottom: -22px;
      color: rgba(255,255,255,.04);
      font-size: 5.4rem;
      font-weight: 950;
      letter-spacing: -.08em;
      pointer-events: none;
    }

    .article-cta h2 {
      position: relative;
      margin: 0 0 10px;
      font-size: clamp(1.45rem, 2.4vw, 2.1rem);
      letter-spacing: -.045em;
      z-index: 1;
    }

    .article-cta p {
      position: relative;
      max-width: 640px;
      margin: 0 0 18px;
      color: var(--muted);
      z-index: 1;
    }

    .article-cta .cta-actions {
      position: relative;
      display: flex;
      flex-wrap: wrap;
      gap: 12px;
      z-index: 1;
    }

    .site-footer {
      padding: 52px 0 26px;
      background:
        linear-gradient(180deg, rgba(8,9,15,.78), rgba(8,9,15,.98)),
        linear-gradient(90deg, rgba(0,82,255,.08), rgba(0,240,255,.05));
      border-top: 1px solid var(--line);
    }

    .footer-grid {
      display: grid;
      grid-template-columns: minmax(0, 1.35fr) .75fr .85fr;
      gap: 30px;
      align-items: start;
    }

    .footer-brand {
      display: flex;
      align-items: center;
      gap: 12px;
      margin-bottom: 14px;
    }

    .footer-title {
      color: var(--text);
      font-weight: 950;
      letter-spacing: -.02em;
      font-size: 1.02rem;
    }

    .footer-text {
      max-width: 560px;
      color: var(--muted);
      margin: 0;
    }

    .footer-col h3 {
      margin: 0 0 13px;
      color: var(--text);
      font-size: 1rem;
      font-weight: 950;
    }

    .footer-links {
      display: grid;
      gap: 9px;
    }

    .footer-links a {
      color: var(--muted);
      width: fit-content;
      border-bottom: 1px solid transparent;
    }

    .footer-links a:hover {
      color: var(--primary-2);
      border-color: rgba(0,240,255,.42);
    }

    .footer-bottom {
      display: flex;
      justify-content: space-between;
      gap: 16px;
      margin-top: 34px;
      padding-top: 18px;
      border-top: 1px solid var(--line);
      color: var(--muted-2);
      font-size: .9rem;
    }

    .fab-support {
      position: fixed;
      left: 16px;
      bottom: 96px;
      z-index: 1050;
      min-width: 58px;
      min-height: 58px;
      display: inline-flex;
      align-items: center;
      justify-content: center;
      padding: 0 15px;
      color: var(--text);
      background: rgba(0, 0, 0, .62);
      border: 1px solid transparent;
      clip-path: polygon(12px 0, 100% 0, calc(100% - 12px) 100%, 0 100%, 0 12px);
      box-shadow: 0 0 18px rgba(0,240,255,.5);
      opacity: .68;
      backdrop-filter: blur(12px);
      isolation: isolate;
      animation: fabBreathe 2.4s infinite ease-in-out;
    }

    .fab-support::before {
      content: "";
      position: absolute;
      inset: 0;
      padding: 2px;
      background: linear-gradient(135deg, var(--accent), var(--primary-2), var(--primary));
      -webkit-mask: linear-gradient(#000 0 0) content-box, linear-gradient(#000 0 0);
      -webkit-mask-composite: xor;
      mask-composite: exclude;
      z-index: -1;
      animation: borderFlow 2.6s linear infinite;
    }

    .fab-support i {
      color: var(--primary-2);
      font-size: 1.28rem;
      text-shadow: 0 0 12px rgba(0,240,255,.8);
      transition: transform .35s ease, color .22s ease;
    }

    .fab-support span {
      margin-left: 8px;
      color: var(--accent);
      font-size: .74rem;
      font-weight: 950;
      letter-spacing: .05em;
      text-shadow: 0 0 10px rgba(204,255,0,.7);
    }

    .fab-support .notify {
      position: absolute;
      top: -4px;
      right: -4px;
      width: 14px;
      height: 14px;
      border-radius: 999px;
      background: var(--danger);
      box-shadow: 0 0 16px rgba(255,49,88,.85);
      animation: pulseDot 1.15s infinite ease-in-out;
    }

    .fab-support:hover {
      opacity: 1;
      color: var(--text);
      transform: translateY(-3px) scale(1.06);
      box-shadow: 0 0 30px rgba(0,240,255,.68);
    }

    .fab-support:hover i {
      color: var(--accent);
      transform: rotate(8deg) scale(1.12);
    }

    .fab-support:active {
      transform: translateY(1px) scale(.96);
    }

    @keyframes fabBreathe {
      0%, 100% { opacity: .62; }
      50% { opacity: .86; }
    }

    @keyframes borderFlow {
      0% { filter: hue-rotate(0deg); }
      100% { filter: hue-rotate(360deg); }
    }

    @media (max-width: 1024px) {
      :root {
        --header-h: auto;
      }

      .nav-shell {
        min-height: 74px;
        flex-wrap: wrap;
        padding: 12px 0;
        gap: 12px;
      }

      .brand {
        min-width: auto;
        flex: 1 1 280px;
      }

      .nav-links {
        order: 3;
        width: 100%;
        overflow-x: auto;
        padding-bottom: 4px;
        scrollbar-width: thin;
      }

      .nav-actions {
        margin-left: 0;
      }

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

      .hero-panel {
        max-width: 560px;
      }

      .content-layout {
        grid-template-columns: 1fr;
      }

      .article-column {
        max-width: var(--article);
      }

      .sidebar {
        position: static;
        grid-template-columns: repeat(2, minmax(0, 1fr));
      }

      .side-block.media {
        grid-column: 1 / -1;
      }

      .regional-section {
        grid-template-columns: 1fr;
      }
    }

    @media (max-width: 768px) {
      .container {
        width: min(100% - 24px, var(--container));
      }

      .page-hero {
        padding: 38px 0 34px;
      }

      .hero-title {
        letter-spacing: -.05em;
      }

      .hero-points {
        grid-template-columns: 1fr;
      }

      .flow-head {
        display: block;
      }

      .flow-head p {
        margin-top: 8px;
      }

      .flow-grid,
      .footer-grid,
      .nearby-grid,
      .sidebar {
        grid-template-columns: 1fr;
      }

      .article-intro,
      .article-body,
      .faq-section,
      .article-cta {
        padding-left: 18px;
        padding-right: 18px;
      }

      .footer-bottom {
        flex-direction: column;
      }
    }

    @media (max-width: 520px) {
      .brand-mark {
        width: 40px;
        height: 40px;
        flex-basis: 40px;
      }

      .brand-text strong {
        font-size: .9rem;
      }

      .brand-text span {
        font-size: .72rem;
      }

      .nav-actions {
        width: 100%;
        justify-content: space-between;
      }

      .login-link {
        padding-left: 0;
      }

      .btn-neon,
      .btn-ghost,
      .btn-metal {
        min-height: 42px;
        padding: 10px 12px;
        font-size: .9rem;
      }

      .hero-actions,
      .article-cta .cta-actions {
        flex-direction: column;
        align-items: stretch;
      }

      .hero-panel {
        clip-path: none;
      }

      .local-flow {
        padding: 14px;
      }

      .article-card,
      .side-block,
      .faq-section,
      .article-cta,
      .regional-section {
        border-left-width: 1px;
        border-right-width: 1px;
      }

      .fab-support {
        left: 12px;
        bottom: 88px;
        min-width: 52px;
        min-height: 52px;
      }

      .fab-support span {
        display: none;
      }
    }

/* roulang page: category2 */
:root{
      --bg:#08090F;
      --bg-2:#0D111E;
      --bg-3:#11192A;
      --panel:#101826;
      --panel-2:#0C1320;
      --panel-3:#131D2E;
      --line:rgba(203,213,225,.10);
      --line-2:rgba(0,82,255,.35);
      --text:#FFFFFF;
      --muted:#CBD5E1;
      --muted-2:#94A3B8;
      --accent:#0052FF;
      --accent-2:#00F0FF;
      --accent-3:#27D5FF;
      --success:#22C55E;
      --warn:#F59E0B;
      --danger:#FF3B57;
      --shadow:0 20px 50px rgba(0,0,0,.42);
      --shadow-soft:0 12px 30px rgba(0,0,0,.24);
      --radius:18px;
      --radius-sm:12px;
      --radius-xs:10px;
      --header-h:96px;
    }

    *{box-sizing:border-box}
    html{scroll-behavior:smooth}
    body{
      margin:0;
      font-family:Inter, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
      color:var(--text);
      background:
        linear-gradient(180deg, rgba(8,9,15,.96), rgba(8,9,15,.98)),
        radial-gradient(circle at 20% 0%, rgba(0,82,255,.18), transparent 34%),
        radial-gradient(circle at 80% 8%, rgba(0,240,255,.12), transparent 28%),
        url('/assets/images/backpic/back-1.jpg') center/cover fixed;
      padding-top:var(--header-h);
      overflow-x:hidden;
    }

    a{color:inherit;text-decoration:none}
    img{max-width:100%;display:block}
    button,input,textarea,select{font:inherit}
    ::selection{background:rgba(0,82,255,.45);color:#fff}
    :focus-visible{outline:2px solid var(--accent-2);outline-offset:3px}

    .container{
      width:min(1180px, calc(100% - 32px));
    }

    .site-header{
      position:fixed;
      inset:0 0 auto 0;
      z-index:1030;
      background:rgba(7,10,18,.88);
      backdrop-filter:blur(14px);
      border-bottom:1px solid var(--line);
      box-shadow:0 10px 30px rgba(0,0,0,.18);
    }

    .nav-shell{
      min-height:var(--header-h);
      display:grid;
      grid-template-columns:auto 1fr auto;
      grid-template-areas:"brand nav actions";
      gap:16px;
      align-items:center;
      padding-top:12px;
      padding-bottom:12px;
    }

    .brand{
      grid-area:brand;
      display:flex;
      align-items:center;
      gap:12px;
      min-width:0;
    }

    .brand-mark{
      width:48px;
      height:48px;
      display:grid;
      place-items:center;
      border-radius:14px;
      background:
        linear-gradient(145deg, rgba(0,82,255,.96), rgba(0,240,255,.96));
      color:#06101D;
      box-shadow:0 12px 28px rgba(0,82,255,.35);
      border:1px solid rgba(255,255,255,.14);
      flex:0 0 auto;
      font-size:1.02rem;
    }

    .brand-text{
      display:flex;
      flex-direction:column;
      line-height:1.1;
      min-width:0;
    }

    .brand-text strong{
      font-size:1rem;
      font-weight:800;
      color:#fff;
      white-space:nowrap;
      overflow:hidden;
      text-overflow:ellipsis;
    }

    .brand-text span{
      font-size:.82rem;
      color:var(--muted-2);
      white-space:nowrap;
      overflow:hidden;
      text-overflow:ellipsis;
    }

    .nav-links{
      grid-area:nav;
      display:flex;
      align-items:center;
      justify-content:center;
      gap:10px;
      flex-wrap:wrap;
      min-width:0;
    }

    .nav-links a{
      position:relative;
      padding:10px 14px;
      border-radius:12px;
      color:var(--muted);
      font-weight:600;
      border:1px solid transparent;
      transition:transform .2s ease, background-color .2s ease, border-color .2s ease, color .2s ease, box-shadow .2s ease;
    }

    .nav-links a:hover{
      color:#fff;
      border-color:rgba(255,255,255,.08);
      background:rgba(255,255,255,.04);
      transform:translateY(-1px);
    }

    .nav-links a.active{
      color:#fff;
      background:linear-gradient(135deg, rgba(0,82,255,.24), rgba(0,240,255,.12));
      border-color:rgba(0,240,255,.34);
      box-shadow:0 0 0 1px rgba(0,82,255,.12) inset;
    }

    .nav-actions{
      grid-area:actions;
      display:flex;
      align-items:center;
      gap:10px;
      justify-content:flex-end;
      flex-wrap:nowrap;
    }

    .login-link{
      color:var(--muted);
      font-weight:600;
      padding:10px 6px;
      transition:color .2s ease, opacity .2s ease;
      white-space:nowrap;
    }

    .login-link:hover{
      color:#fff;
      opacity:.92;
    }

    .btn-neon{
      display:inline-flex;
      align-items:center;
      justify-content:center;
      gap:8px;
      min-height:44px;
      padding:11px 18px;
      border-radius:14px;
      border:1px solid rgba(0,240,255,.42);
      background:linear-gradient(135deg, #0052FF 0%, #00F0FF 100%);
      color:#07101D;
      font-weight:800;
      box-shadow:0 12px 26px rgba(0,82,255,.26), 0 0 0 1px rgba(255,255,255,.05) inset;
      transition:transform .2s ease, box-shadow .2s ease, filter .2s ease;
      white-space:nowrap;
    }

    .btn-neon:hover{
      color:#07101D;
      transform:translateY(-1px);
      box-shadow:0 16px 30px rgba(0,82,255,.32), 0 0 18px rgba(0,240,255,.22);
      filter:saturate(1.05);
    }

    .btn-neon:active{
      transform:translateY(1px);
    }

    .btn-ghost{
      display:inline-flex;
      align-items:center;
      justify-content:center;
      gap:8px;
      min-height:44px;
      padding:11px 18px;
      border-radius:14px;
      border:1px solid rgba(203,213,225,.16);
      background:rgba(255,255,255,.03);
      color:#fff;
      font-weight:700;
      transition:transform .2s ease, background-color .2s ease, border-color .2s ease;
      white-space:nowrap;
    }

    .btn-ghost:hover{
      color:#fff;
      border-color:rgba(0,240,255,.22);
      background:rgba(255,255,255,.06);
      transform:translateY(-1px);
    }

    .hero-section{
      position:relative;
      padding:34px 0 28px;
      background:
        linear-gradient(180deg, rgba(6,10,18,.68), rgba(8,9,15,.94)),
        url('/assets/images/backpic/back-2.jpg') center/cover no-repeat;
      border-bottom:1px solid var(--line);
    }

    .hero-section::before{
      content:"";
      position:absolute;
      inset:0;
      background:
        linear-gradient(90deg, rgba(0,0,0,.16) 0%, rgba(0,0,0,.06) 48%, rgba(0,0,0,.20) 100%),
        repeating-linear-gradient(90deg, rgba(255,255,255,.035) 0 1px, transparent 1px 96px),
        repeating-linear-gradient(180deg, rgba(255,255,255,.025) 0 1px, transparent 1px 84px);
      pointer-events:none;
      opacity:.45;
    }

    .hero-grid{
      position:relative;
      z-index:1;
      display:grid;
      grid-template-columns:minmax(0, 1.15fr) minmax(320px, .85fr);
      gap:28px;
      align-items:center;
    }

    .hero-copy{
      padding:14px 0;
    }

    .hero-kicker{
      display:inline-flex;
      align-items:center;
      gap:8px;
      padding:8px 12px;
      margin-bottom:16px;
      border-radius:999px;
      background:rgba(0,82,255,.12);
      border:1px solid rgba(0,240,255,.24);
      color:#DFF6FF;
      font-size:.9rem;
      font-weight:700;
      box-shadow:0 0 0 1px rgba(255,255,255,.02) inset;
    }

    .hero-kicker::before{
      content:"";
      width:8px;
      height:8px;
      border-radius:50%;
      background:var(--success);
      box-shadow:0 0 0 5px rgba(34,197,94,.12);
      flex:0 0 auto;
    }

    .hero-copy h1{
      margin:0;
      font-size:3rem;
      line-height:1.06;
      font-weight:900;
      letter-spacing:0;
      max-width:14ch;
    }

    .hero-copy .lead{
      margin:18px 0 0;
      max-width:64ch;
      color:var(--muted);
      line-height:1.65;
      font-size:1.06rem;
    }

    .hero-chips{
      display:flex;
      flex-wrap:wrap;
      gap:10px;
      margin-top:22px;
    }

    .chip{
      display:inline-flex;
      align-items:center;
      gap:8px;
      padding:8px 12px;
      border-radius:999px;
      border:1px solid rgba(203,213,225,.14);
      background:rgba(255,255,255,.04);
      color:#E9F4FF;
      font-size:.92rem;
      line-height:1;
    }

    .chip i{
      color:var(--accent-2);
    }

    .hero-actions{
      display:flex;
      flex-wrap:wrap;
      gap:12px;
      margin-top:24px;
    }

    .search-strip{
      display:flex;
      flex-wrap:wrap;
      gap:10px;
      align-items:center;
      margin-top:18px;
      max-width:740px;
    }

    .search-strip .form-control{
      min-height:52px;
      background:rgba(5,10,18,.68);
      border:1px solid rgba(203,213,225,.16);
      color:#fff;
      border-radius:14px;
      box-shadow:none;
    }

    .search-strip .form-control::placeholder{
      color:#8FA3BD;
    }

    .search-strip .form-control:focus{
      border-color:rgba(0,240,255,.55);
      background:rgba(7,13,22,.9);
      box-shadow:0 0 0 .2rem rgba(0,240,255,.12);
      color:#fff;
    }

    .hero-note{
      margin-top:14px;
      color:var(--muted-2);
      font-size:.94rem;
      line-height:1.6;
    }

    .poster-frame{
      position:relative;
      min-height:520px;
      border-radius:22px;
      overflow:hidden;
      background:linear-gradient(180deg, rgba(16,24,38,.98), rgba(8,12,20,.92));
      border:1px solid rgba(203,213,225,.12);
      box-shadow:var(--shadow);
      isolation:isolate;
    }

    .poster-frame::before{
      content:"";
      position:absolute;
      inset:0;
      background:linear-gradient(180deg, rgba(0,0,0,.02), rgba(0,0,0,.42));
      z-index:1;
      pointer-events:none;
    }

    .poster-frame::after{
      content:"";
      position:absolute;
      inset:16px;
      border:1px solid rgba(0,240,255,.12);
      border-radius:18px;
      pointer-events:none;
      z-index:2;
      box-shadow:inset 0 0 0 1px rgba(0,82,255,.08);
    }

    .poster-bg{
      position:absolute;
      inset:0;
      width:100%;
      height:100%;
      object-fit:cover;
      filter:saturate(1.08) contrast(1.08) brightness(.72);
      transform:scale(1.03);
    }

    .poster-content{
      position:relative;
      z-index:3;
      display:flex;
      flex-direction:column;
      justify-content:space-between;
      min-height:520px;
      padding:22px;
    }

    .hot-tag{
      align-self:flex-start;
      display:inline-flex;
      align-items:center;
      gap:8px;
      padding:8px 12px;
      border-radius:999px;
      background:rgba(255,59,87,.14);
      border:1px solid rgba(255,59,87,.38);
      color:#FFE6EB;
      font-size:.88rem;
      font-weight:800;
      box-shadow:0 10px 22px rgba(0,0,0,.15);
    }

    .poster-thumb{
      width:100%;
      max-width:280px;
      margin-top:auto;
      margin-bottom:16px;
      border-radius:18px;
      border:1px solid rgba(255,255,255,.12);
      box-shadow:0 18px 38px rgba(0,0,0,.36);
      overflow:hidden;
      aspect-ratio:4/5;
      object-fit:cover;
      background:#0e1422;
    }

    .poster-stack{
      display:grid;
      gap:12px;
      grid-template-columns:repeat(3, minmax(0, 1fr));
    }

    .signal-card{
      padding:14px 14px 12px;
      border-radius:16px;
      background:rgba(8,12,20,.68);
      border:1px solid rgba(203,213,225,.12);
      backdrop-filter:blur(10px);
      box-shadow:var(--shadow-soft);
    }

    .signal-card .label{
      color:var(--muted-2);
      font-size:.84rem;
      margin-bottom:8px;
      line-height:1.35;
    }

    .signal-card strong{
      display:block;
      font-size:1.1rem;
      line-height:1.2;
      margin-bottom:10px;
    }

    .progress{
      height:8px;
      background:rgba(255,255,255,.08);
      border-radius:999px;
    }

    .progress-bar{
      border-radius:999px;
      background:linear-gradient(90deg, var(--accent), var(--accent-2));
    }

    .section{
      padding:78px 0;
      position:relative;
    }

    .section.alt{
      background:linear-gradient(180deg, rgba(255,255,255,.015), rgba(255,255,255,0));
      border-top:1px solid rgba(255,255,255,.04);
      border-bottom:1px solid rgba(255,255,255,.04);
    }

    .section-head{
      display:flex;
      align-items:flex-end;
      justify-content:space-between;
      gap:18px;
      margin-bottom:26px;
    }

    .section-head .copy{
      max-width:760px;
    }

    .section-kicker{
      display:inline-flex;
      align-items:center;
      gap:8px;
      padding:7px 11px;
      border-radius:999px;
      border:1px solid rgba(0,240,255,.18);
      background:rgba(0,82,255,.09);
      color:#DFF6FF;
      font-size:.86rem;
      font-weight:700;
      margin-bottom:12px;
    }

    .section-title{
      margin:0;
      font-size:2rem;
      line-height:1.16;
      font-weight:850;
      letter-spacing:0;
    }

    .section-lead{
      margin:12px 0 0;
      color:var(--muted);
      line-height:1.66;
      max-width:72ch;
    }

    .section-link{
      color:#DFF6FF;
      font-weight:700;
      display:inline-flex;
      align-items:center;
      gap:8px;
      white-space:nowrap;
      padding:10px 0;
      transition:transform .2s ease, color .2s ease;
    }

    .section-link:hover{
      color:#fff;
      transform:translateX(2px);
    }

    .feature-grid{
      display:grid;
      grid-template-columns:repeat(3, minmax(0, 1fr));
      gap:18px;
    }

    .metal-card{
      position:relative;
      padding:22px;
      min-height:220px;
      background:linear-gradient(180deg, rgba(17,25,42,.94), rgba(10,14,23,.95));
      border:1px solid rgba(203,213,225,.1);
      border-radius:16px;
      box-shadow:var(--shadow-soft);
      overflow:hidden;
      transition:transform .2s ease, border-color .2s ease, box-shadow .2s ease;
    }

    .metal-card::before{
      content:"";
      position:absolute;
      inset:0;
      background:
        linear-gradient(135deg, rgba(0,240,255,.08), transparent 35%),
        linear-gradient(180deg, rgba(255,255,255,.04), transparent 28%);
      pointer-events:none;
    }

    .metal-card:hover{
      transform:translateY(-4px);
      border-color:rgba(0,240,255,.22);
      box-shadow:0 20px 38px rgba(0,0,0,.34);
    }

    .metal-icon{
      width:52px;
      height:52px;
      display:grid;
      place-items:center;
      border-radius:14px;
      background:linear-gradient(135deg, rgba(0,82,255,.20), rgba(0,240,255,.14));
      border:1px solid rgba(0,240,255,.16);
      color:#DFF6FF;
      box-shadow:0 10px 20px rgba(0,0,0,.16);
      margin-bottom:16px;
      font-size:1.15rem;
    }

    .metal-card h3{
      margin:0 0 10px;
      font-size:1.08rem;
      line-height:1.35;
      font-weight:800;
    }

    .metal-card p{
      margin:0;
      color:var(--muted);
      line-height:1.65;
      font-size:.98rem;
    }

    .bar-row{
      margin-top:18px;
    }

    .bar-row .top{
      display:flex;
      align-items:center;
      justify-content:space-between;
      gap:10px;
      font-size:.86rem;
      color:var(--muted-2);
      margin-bottom:8px;
    }

    .bar-row .top strong{
      color:#fff;
      font-size:.95rem;
    }

    .bar-row .progress{
      height:10px;
      background:rgba(255,255,255,.06);
    }

    .app-grid{
      display:grid;
      grid-template-columns:repeat(4, minmax(0, 1fr));
      gap:18px;
    }

    .app-card{
      display:flex;
      flex-direction:column;
      min-height:100%;
      background:linear-gradient(180deg, rgba(17,25,42,.96), rgba(10,14,23,.96));
      border:1px solid rgba(203,213,225,.09);
      border-radius:16px;
      overflow:hidden;
      box-shadow:var(--shadow-soft);
      transition:transform .2s ease, border-color .2s ease, box-shadow .2s ease;
      position:relative;
    }

    .app-card:hover{
      transform:translateY(-5px);
      border-color:rgba(0,240,255,.26);
      box-shadow:0 24px 42px rgba(0,0,0,.36);
    }

    .app-image{
      position:relative;
      aspect-ratio:16/10;
      overflow:hidden;
      background:#0d1524;
      border-bottom:1px solid rgba(203,213,225,.08);
    }

    .app-image img{
      width:100%;
      height:100%;
      object-fit:cover;
      filter:saturate(1.05) contrast(1.02) brightness(.95);
      transition:transform .4s ease;
    }

    .app-card:hover .app-image img{
      transform:scale(1.04);
    }

    .app-badge{
      position:absolute;
      top:14px;
      left:14px;
      z-index:2;
      display:inline-flex;
      align-items:center;
      gap:6px;
      padding:7px 10px;
      border-radius:999px;
      background:rgba(0,0,0,.68);
      border:1px solid rgba(0,240,255,.22);
      color:#fff;
      font-size:.8rem;
      font-weight:800;
      backdrop-filter:blur(8px);
    }

    .app-badge::before{
      content:"";
      width:7px;
      height:7px;
      border-radius:50%;
      background:var(--warn);
      box-shadow:0 0 0 4px rgba(245,158,11,.14);
    }

    .app-body{
      padding:18px 18px 20px;
      display:flex;
      flex-direction:column;
      gap:14px;
      flex:1 1 auto;
    }

    .app-body h3{
      margin:0;
      font-size:1.06rem;
      line-height:1.35;
      font-weight:800;
    }

    .app-body p{
      margin:0;
      color:var(--muted);
      line-height:1.6;
      font-size:.95rem;
    }

    .mini-list{
      display:grid;
      gap:8px;
      margin:0;
      padding:0;
      list-style:none;
    }

    .mini-list li{
      display:flex;
      align-items:flex-start;
      gap:10px;
      color:#E5EEF9;
      font-size:.9rem;
      line-height:1.5;
    }

    .mini-list i{
      color:var(--accent-2);
      margin-top:2px;
      flex:0 0 auto;
    }

    .app-foot{
      margin-top:auto;
      display:flex;
      flex-wrap:wrap;
      gap:10px;
      justify-content:space-between;
      align-items:center;
      padding-top:4px;
    }

    .app-rate{
      color:#fff;
      font-weight:800;
      font-size:.95rem;
    }

    .app-sub{
      color:var(--muted-2);
      font-size:.86rem;
      line-height:1.35;
    }

    .app-action{
      display:inline-flex;
      align-items:center;
      gap:8px;
      color:#DFF6FF;
      font-weight:700;
      transition:transform .2s ease, color .2s ease;
    }

    .app-action:hover{
      color:#fff;
      transform:translateX(2px);
    }

    .flow-grid{
      display:grid;
      grid-template-columns:1.05fr .95fr;
      gap:20px;
      align-items:stretch;
    }

    .flow-panel{
      padding:24px;
      border-radius:18px;
      background:linear-gradient(180deg, rgba(17,25,42,.96), rgba(10,14,23,.96));
      border:1px solid rgba(203,213,225,.1);
      box-shadow:var(--shadow-soft);
    }

    .step-list{
      display:grid;
      gap:14px;
      margin-top:18px;
    }

    .step-item{
      display:grid;
      grid-template-columns:auto 1fr;
      gap:14px;
      align-items:flex-start;
      padding:16px;
      border-radius:14px;
      background:rgba(255,255,255,.03);
      border:1px solid rgba(203,213,225,.08);
    }

    .step-num{
      width:42px;
      height:42px;
      border-radius:12px;
      display:grid;
      place-items:center;
      background:linear-gradient(135deg, rgba(0,82,255,.92), rgba(0,240,255,.92));
      color:#07101D;
      font-weight:900;
      box-shadow:0 12px 22px rgba(0,82,255,.22);
      flex:0 0 auto;
    }

    .step-item h3{
      margin:0 0 6px;
      font-size:1rem;
      font-weight:800;
    }

    .step-item p{
      margin:0;
      color:var(--muted);
      line-height:1.62;
      font-size:.95rem;
    }

    .flow-visual{
      position:relative;
      overflow:hidden;
      border-radius:18px;
      border:1px solid rgba(203,213,225,.1);
      background:
        linear-gradient(180deg, rgba(16,24,38,.78), rgba(10,14,23,.96)),
        url('/assets/images/coverpic/cover-7.jpeg') center/cover no-repeat;
      min-height:100%;
      box-shadow:var(--shadow-soft);
      isolation:isolate;
    }

    .flow-visual::before{
      content:"";
      position:absolute;
      inset:0;
      background:
        linear-gradient(180deg, rgba(0,0,0,.12), rgba(0,0,0,.54)),
        linear-gradient(135deg, rgba(0,240,255,.10), transparent 42%);
      z-index:0;
    }

    .flow-visual-inner{
      position:relative;
      z-index:1;
      min-height:100%;
      padding:24px;
      display:flex;
      flex-direction:column;
      justify-content:space-between;
      gap:18px;
    }

    .check-box{
      padding:18px;
      background:rgba(8,12,20,.68);
      border:1px solid rgba(203,213,225,.12);
      border-radius:16px;
      backdrop-filter:blur(8px);
      box-shadow:0 10px 24px rgba(0,0,0,.16);
    }

    .check-box h3{
      margin:0 0 14px;
      font-size:1.02rem;
      line-height:1.35;
      font-weight:800;
    }

    .check-list{
      display:grid;
      gap:12px;
      margin:0;
      padding:0;
      list-style:none;
    }

    .check-list li{
      display:flex;
      gap:10px;
      align-items:flex-start;
      color:#E7F1FB;
      line-height:1.55;
      font-size:.95rem;
    }

    .check-list i{
      color:var(--success);
      margin-top:3px;
      flex:0 0 auto;
    }

    .trust-strip{
      display:grid;
      grid-template-columns:repeat(4, minmax(0, 1fr));
      gap:14px;
      margin-top:18px;
    }

    .trust-item{
      padding:16px;
      border-radius:14px;
      background:rgba(255,255,255,.03);
      border:1px solid rgba(203,213,225,.08);
      text-align:left;
    }

    .trust-item .num{
      display:block;
      color:#fff;
      font-weight:900;
      font-size:1.2rem;
      margin-bottom:4px;
    }

    .trust-item span{
      color:var(--muted-2);
      font-size:.88rem;
      line-height:1.45;
    }

    .faq-wrap .accordion-item{
      background:transparent;
      border:1px solid rgba(203,213,225,.1);
      border-radius:16px;
      overflow:hidden;
      margin-bottom:12px;
      box-shadow:var(--shadow-soft);
    }

    .faq-wrap .accordion-button{
      background:linear-gradient(180deg, rgba(17,25,42,.96), rgba(10,14,23,.96));
      color:#fff;
      font-weight:700;
      box-shadow:none;
      padding:18px 20px;
    }

    .faq-wrap .accordion-button:not(.collapsed){
      color:#fff;
      background:linear-gradient(180deg, rgba(17,25,42,.99), rgba(10,14,23,.98));
      box-shadow:none;
    }

    .faq-wrap .accordion-button::after{
      filter:brightness(1.8) contrast(1.1);
    }

    .faq-wrap .accordion-body{
      background:rgba(255,255,255,.03);
      color:var(--muted);
      line-height:1.7;
      padding:18px 20px 20px;
    }

    .cta-band{
      padding:28px 0 84px;
    }

    .cta-panel{
      position:relative;
      overflow:hidden;
      border-radius:24px;
      border:1px solid rgba(203,213,225,.1);
      background:
        linear-gradient(180deg, rgba(8,12,20,.72), rgba(8,12,20,.94)),
        url('/assets/images/backpic/back-3.jpg') center/cover no-repeat;
      box-shadow:var(--shadow);
    }

    .cta-panel::before{
      content:"";
      position:absolute;
      inset:0;
      background:linear-gradient(135deg, rgba(0,82,255,.18), rgba(0,240,255,.10));
      pointer-events:none;
    }

    .cta-inner{
      position:relative;
      z-index:1;
      padding:34px 24px;
      text-align:center;
      max-width:900px;
      margin:0 auto;
    }

    .cta-inner h2{
      margin:0;
      font-size:2rem;
      line-height:1.18;
      font-weight:900;
    }

    .cta-inner p{
      margin:14px auto 0;
      max-width:62ch;
      color:var(--muted);
      line-height:1.66;
    }

    .cta-actions{
      display:flex;
      flex-wrap:wrap;
      justify-content:center;
      gap:12px;
      margin-top:24px;
    }

    .site-footer{
      background:linear-gradient(180deg, rgba(10,14,23,.95), rgba(7,10,18,.98));
      border-top:1px solid var(--line);
      padding:42px 0 20px;
      color:var(--text);
    }

    .footer-grid{
      display:grid;
      grid-template-columns:1.3fr .85fr .85fr;
      gap:24px;
      align-items:start;
    }

    .footer-brand{
      display:flex;
      align-items:flex-start;
      gap:12px;
      margin-bottom:14px;
    }

    .footer-title{
      font-size:1.03rem;
      font-weight:900;
      line-height:1.25;
    }

    .footer-text{
      color:var(--muted);
      line-height:1.68;
      margin:0;
      max-width:52ch;
      font-size:.96rem;
    }

    .footer-col h3{
      margin:0 0 12px;
      font-size:1rem;
      font-weight:800;
      line-height:1.35;
    }

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

    .footer-links a,
    .footer-links span{
      color:var(--muted);
      line-height:1.55;
      transition:color .2s ease;
    }

    .footer-links a:hover{
      color:#fff;
    }

    .footer-bottom{
      display:flex;
      justify-content:space-between;
      gap:14px;
      flex-wrap:wrap;
      padding-top:18px;
      margin-top:24px;
      border-top:1px solid rgba(203,213,225,.08);
      color:var(--muted-2);
      font-size:.9rem;
      line-height:1.6;
    }

    .fab-support{
      position:fixed;
      left:16px;
      bottom:96px;
      z-index:1040;
      display:inline-flex;
      align-items:center;
      gap:10px;
      min-width:64px;
      min-height:64px;
      padding:0 16px 0 14px;
      border-radius:18px;
      background:rgba(0,0,0,.56);
      backdrop-filter:blur(12px);
      border:1px solid transparent;
      color:#fff;
      box-shadow:0 0 0 1px rgba(0,240,255,.26) inset, 0 0 16px rgba(0,240,255,.25);
      isolation:isolate;
      transition:transform .2s ease, opacity .2s ease, box-shadow .2s ease;
      opacity:.78;
    }

    .fab-support::before{
      content:"";
      position:absolute;
      inset:0;
      padding:1px;
      border-radius:18px;
      background:linear-gradient(135deg, rgba(0,240,255,.95), rgba(0,82,255,.95));
      -webkit-mask:linear-gradient(#fff 0 0) content-box, linear-gradient(#fff 0 0);
      -webkit-mask-composite:xor;
      mask-composite:exclude;
      pointer-events:none;
    }

    .fab-support:hover{
      opacity:1;
      transform:translateY(-2px);
      box-shadow:0 0 20px rgba(0,240,255,.34), 0 0 0 1px rgba(255,255,255,.04) inset;
    }

    .fab-support .icon{
      width:42px;
      height:42px;
      display:grid;
      place-items:center;
      border-radius:14px;
      background:linear-gradient(135deg, rgba(0,82,255,.95), rgba(0,240,255,.95));
      color:#07101D;
      font-size:1.08rem;
      box-shadow:0 10px 18px rgba(0,82,255,.26);
      flex:0 0 auto;
    }

    .fab-support .text{
      display:flex;
      flex-direction:column;
      line-height:1.1;
    }

    .fab-support .text strong{
      font-size:.92rem;
      font-weight:800;
    }

    .fab-support .text span{
      font-size:.76rem;
      color:#D5EFFF;
    }

    .fab-dot{
      position:absolute;
      top:8px;
      right:8px;
      width:10px;
      height:10px;
      border-radius:50%;
      background:var(--danger);
      box-shadow:0 0 0 5px rgba(255,59,87,.14);
      animation:pulse 1.8s ease-in-out infinite;
    }

    @keyframes pulse{
      0%,100%{transform:scale(.92);opacity:.78}
      50%{transform:scale(1.15);opacity:1}
    }

    @media (min-width: 992px){
      .hero-copy{
        padding-right:16px;
      }
    }

    @media (max-width: 1199.98px){
      .app-grid{
        grid-template-columns:repeat(3, minmax(0, 1fr));
      }
      .feature-grid{
        grid-template-columns:repeat(3, minmax(0, 1fr));
      }
    }

    @media (max-width: 991.98px){
      :root{
        --header-h:126px;
      }
      body{
        padding-top:var(--header-h);
      }
      .nav-shell{
        grid-template-columns:1fr auto;
        grid-template-areas:
          "brand actions"
          "nav nav";
        align-items:center;
      }
      .nav-links{
        justify-content:flex-start;
        overflow-x:auto;
        padding-bottom:2px;
        scrollbar-width:none;
      }
      .nav-links::-webkit-scrollbar{display:none}
      .hero-grid,
      .flow-grid{
        grid-template-columns:1fr;
      }
      .poster-frame{
        min-height:460px;
      }
      .poster-content{
        min-height:460px;
      }
      .feature-grid{
        grid-template-columns:1fr;
      }
      .app-grid{
        grid-template-columns:repeat(2, minmax(0, 1fr));
      }
      .trust-strip{
        grid-template-columns:repeat(2, minmax(0, 1fr));
      }
      .footer-grid{
        grid-template-columns:1fr 1fr;
      }
      .footer-grid > :first-child{
        grid-column:1 / -1;
      }
      .section-head{
        align-items:flex-start;
        flex-direction:column;
      }
    }

    @media (max-width: 767.98px){
      :root{
        --header-h:154px;
      }
      body{
        padding-top:var(--header-h);
      }
      .nav-shell{
        gap:12px;
        padding-top:10px;
        padding-bottom:10px;
      }
      .brand-mark{
        width:42px;
        height:42px;
        border-radius:12px;
      }
      .brand-text strong{
        font-size:.96rem;
      }
      .brand-text span{
        font-size:.8rem;
      }
      .nav-links{
        width:100%;
      }
      .nav-links a{
        padding:9px 12px;
        font-size:.93rem;
      }
      .nav-actions{
        gap:8px;
      }
      .login-link{
        padding:10px 4px;
      }
      .btn-neon,
      .btn-ghost{
        min-height:42px;
        padding:10px 14px;
        border-radius:12px;
      }
      .hero-section{
        padding:24px 0 20px;
      }
      .hero-copy h1{
        font-size:2.32rem;
        max-width:none;
      }
      .hero-copy .lead{
        font-size:1rem;
      }
      .poster-frame{
        min-height:400px;
      }
      .poster-content{
        min-height:400px;
        padding:18px;
      }
      .poster-thumb{
        max-width:100%;
      }
      .poster-stack{
        grid-template-columns:1fr;
      }
      .section{
        padding:58px 0;
      }
      .section-title{
        font-size:1.62rem;
      }
      .app-grid{
        grid-template-columns:1fr;
      }
      .trust-strip{
        grid-template-columns:1fr;
      }
      .cta-inner{
        padding:28px 18px;
      }
      .cta-inner h2{
        font-size:1.62rem;
      }
      .footer-grid{
        grid-template-columns:1fr;
      }
      .footer-grid > :first-child{
        grid-column:auto;
      }
      .footer-bottom{
        flex-direction:column;
      }
      .fab-support{
        left:12px;
        bottom:86px;
        min-width:60px;
        min-height:60px;
        padding:0 14px 0 12px;
      }
      .fab-support .text{
        display:none;
      }
    }

    @media (max-width: 520px){
      :root{
        --header-h:160px;
      }
      .container{
        width:min(100% - 24px, 1180px);
      }
      .brand{
        gap:10px;
      }
      .hero-actions,
      .search-strip{
        width:100%;
      }
      .search-strip .form-control{
        width:100%;
      }
      .search-strip .btn-neon{
        width:100%;
      }
      .signal-card,
      .metal-card,
      .flow-panel,
      .check-box,
      .app-body{
        padding-left:16px;
        padding-right:16px;
      }
      .app-foot{
        gap:8px;
      }
    }

/* roulang page: category1 */
:root {
      --bg: #08090f;
      --bg-2: #0d111e;
      --panel: #141822;
      --panel-2: #191f2d;
      --metal: #252b36;
      --line: rgba(203, 213, 225, .18);
      --line-strong: rgba(0, 240, 255, .38);
      --text: #ffffff;
      --muted: #cbd5e1;
      --muted-2: #8ea0b8;
      --blue: #0052ff;
      --cyan: #00f0ff;
      --lime: #ccff00;
      --gold: #f3c969;
      --danger: #ff4d5e;
      --radius: 2px;
      --shadow: 0 18px 55px rgba(0, 0, 0, .42);
      --shadow-neon: 0 0 28px rgba(0, 240, 255, .25);
      --container: 1180px;
    }

    * {
      box-sizing: border-box;
    }

    html {
      scroll-behavior: smooth;
    }

    body {
      margin: 0;
      min-width: 320px;
      font-family: Inter, "Segoe UI", Roboto, Arial, sans-serif;
      color: var(--text);
      line-height: 1.6;
      background:
        linear-gradient(rgba(8, 9, 15, .91), rgba(8, 9, 15, .95)),
        radial-gradient(circle at 20% 0%, rgba(0, 82, 255, .22), transparent 34%),
        radial-gradient(circle at 85% 12%, rgba(0, 240, 255, .12), transparent 30%),
        var(--bg);
      overflow-x: hidden;
    }

    body::before {
      content: "";
      position: fixed;
      inset: 0;
      pointer-events: none;
      opacity: .18;
      background-image:
        linear-gradient(rgba(255,255,255,.055) 1px, transparent 1px),
        linear-gradient(90deg, rgba(255,255,255,.055) 1px, transparent 1px);
      background-size: 44px 44px;
      z-index: -1;
    }

    a {
      color: inherit;
      text-decoration: none;
      transition: color .2s ease, border-color .2s ease, background .2s ease, transform .2s ease;
    }

    img {
      display: block;
      max-width: 100%;
      height: auto;
    }

    button,
    input,
    select {
      font: inherit;
    }

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

    .site-header {
      position: sticky;
      top: 0;
      z-index: 100;
      background: rgba(8, 9, 15, .88);
      border-bottom: 1px solid var(--line);
      backdrop-filter: blur(16px);
    }

    .nav-shell {
      min-height: 76px;
      display: flex;
      align-items: center;
      gap: 18px;
      justify-content: space-between;
    }

    .brand {
      display: inline-flex;
      align-items: center;
      gap: 12px;
      min-width: 250px;
    }

    .brand-mark {
      width: 42px;
      height: 42px;
      display: grid;
      place-items: center;
      color: var(--cyan);
      background: linear-gradient(135deg, rgba(0, 82, 255, .28), rgba(0, 240, 255, .08));
      border: 1px solid var(--line-strong);
      box-shadow: var(--shadow-neon);
      clip-path: polygon(10% 0, 100% 0, 90% 100%, 0 100%);
    }

    .brand-text {
      display: grid;
      line-height: 1.15;
    }

    .brand-text strong {
      font-size: .98rem;
      font-weight: 800;
      letter-spacing: 0;
      color: var(--text);
    }

    .brand-text span {
      color: var(--muted-2);
      font-size: .78rem;
      margin-top: 3px;
    }

    .nav-links {
      display: flex;
      align-items: center;
      gap: 4px;
      padding: 7px;
      background: rgba(255, 255, 255, .035);
      border: 1px solid var(--line);
    }

    .nav-links a {
      padding: 10px 12px;
      color: var(--muted);
      font-size: .92rem;
      border: 1px solid transparent;
      white-space: nowrap;
    }

    .nav-links a:hover,
    .nav-links a:focus {
      color: var(--text);
      border-color: rgba(0, 240, 255, .3);
      background: rgba(0, 82, 255, .12);
      outline: none;
    }

    .nav-links a.active {
      color: var(--cyan);
      background: rgba(0, 240, 255, .08);
      border-color: rgba(0, 240, 255, .45);
    }

    .nav-actions {
      display: flex;
      align-items: center;
      gap: 10px;
      flex-shrink: 0;
    }

    .login-link {
      color: var(--muted);
      font-weight: 700;
      padding: 10px 8px;
    }

    .login-link:hover,
    .login-link:focus {
      color: var(--text);
      outline: none;
    }

    .btn-neon,
    .btn-metal,
    .btn-ghost {
      min-height: 44px;
      display: inline-flex;
      align-items: center;
      justify-content: center;
      gap: 9px;
      padding: 12px 18px;
      border: 1px solid transparent;
      border-radius: var(--radius);
      font-weight: 800;
      line-height: 1.1;
      transition: transform .18s ease, box-shadow .18s ease, background .18s ease, border-color .18s ease;
    }

    .btn-neon {
      color: #06111d;
      background: linear-gradient(135deg, var(--cyan), var(--lime));
      box-shadow: 0 0 22px rgba(0, 240, 255, .28);
    }

    .btn-neon:hover,
    .btn-neon:focus {
      color: #020617;
      transform: translateY(-2px);
      box-shadow: 0 0 34px rgba(0, 240, 255, .42);
      outline: none;
    }

    .btn-metal {
      color: var(--text);
      background: linear-gradient(135deg, rgba(255,255,255,.12), rgba(255,255,255,.04));
      border-color: var(--line);
    }

    .btn-metal:hover,
    .btn-metal:focus {
      border-color: var(--line-strong);
      transform: translateY(-2px);
      outline: none;
    }

    .btn-ghost {
      color: var(--cyan);
      border-color: rgba(0, 240, 255, .28);
      background: rgba(0, 240, 255, .04);
    }

    .btn-ghost:hover,
    .btn-ghost:focus {
      color: var(--text);
      background: rgba(0, 82, 255, .16);
      outline: none;
    }

    .page-hero {
      position: relative;
      padding: 78px 0 56px;
      background:
        linear-gradient(90deg, rgba(8,9,15,.94), rgba(13,17,30,.86)),
        url("/assets/images/backpic/back-2.jpg") center/cover no-repeat;
      border-bottom: 1px solid var(--line);
      overflow: hidden;
    }

    .page-hero::after {
      content: "";
      position: absolute;
      right: -120px;
      top: 40px;
      width: 420px;
      height: 420px;
      background: radial-gradient(circle, rgba(0, 240, 255, .16), transparent 64%);
      pointer-events: none;
    }

    .eyebrow {
      display: inline-flex;
      align-items: center;
      gap: 8px;
      color: var(--cyan);
      padding: 7px 11px;
      border: 1px solid rgba(0, 240, 255, .32);
      background: rgba(0, 240, 255, .06);
      font-size: .83rem;
      font-weight: 800;
      margin-bottom: 18px;
    }

    h1,
    h2,
    h3 {
      letter-spacing: 0;
      line-height: 1.12;
    }

    h1 {
      max-width: 760px;
      font-size: clamp(2.15rem, 5vw, 4.65rem);
      font-weight: 900;
      margin: 0 0 20px;
    }

    h2 {
      font-size: clamp(1.72rem, 3vw, 2.85rem);
      font-weight: 900;
      margin: 0;
    }

    h3 {
      font-size: 1.15rem;
      font-weight: 850;
      margin: 0;
    }

    .hero-summary {
      max-width: 710px;
      color: var(--muted);
      font-size: 1.08rem;
      margin: 0 0 26px;
    }

    .hero-actions {
      display: flex;
      flex-wrap: wrap;
      gap: 12px;
      align-items: center;
      margin-bottom: 26px;
    }

    .hero-metrics {
      display: grid;
      grid-template-columns: repeat(3, minmax(0, 1fr));
      gap: 10px;
      max-width: 720px;
    }

    .metric-tile {
      padding: 14px;
      background: rgba(20, 24, 34, .78);
      border: 1px solid var(--line);
      border-left: 3px solid var(--cyan);
    }

    .metric-tile strong {
      display: block;
      font-size: 1.45rem;
      color: var(--text);
      line-height: 1;
      margin-bottom: 7px;
    }

    .metric-tile span {
      color: var(--muted-2);
      font-size: .86rem;
    }

    .download-unit {
      position: relative;
      background: rgba(12, 15, 24, .88);
      border: 1px solid rgba(0, 240, 255, .28);
      box-shadow: var(--shadow);
      padding: 16px;
    }

    .cover-frame {
      position: relative;
      overflow: hidden;
      border: 1px solid var(--line);
      background: var(--panel);
      min-height: 280px;
    }

    .cover-frame img {
      width: 100%;
      height: 280px;
      object-fit: cover;
      filter: saturate(1.05) contrast(1.08);
    }

    .cover-badge {
      position: absolute;
      left: 14px;
      top: 14px;
      display: inline-flex;
      gap: 8px;
      align-items: center;
      padding: 7px 10px;
      background: rgba(8, 9, 15, .78);
      border: 1px solid rgba(204, 255, 0, .42);
      color: var(--lime);
      font-size: .78rem;
      font-weight: 900;
      backdrop-filter: blur(8px);
    }

    .toc-box {
      padding: 18px 0 6px;
    }

    .toc-box h2 {
      font-size: 1.2rem;
      margin-bottom: 12px;
    }

    .toc-list {
      display: grid;
      gap: 9px;
      margin: 0;
      padding: 0;
      list-style: none;
      color: var(--muted);
    }

    .toc-list li {
      display: flex;
      gap: 10px;
      align-items: flex-start;
      padding-bottom: 9px;
      border-bottom: 1px solid rgba(203, 213, 225, .11);
    }

    .toc-list i {
      color: var(--cyan);
      margin-top: 4px;
    }

    .lead-form {
      display: grid;
      gap: 10px;
      margin-top: 14px;
    }

    .form-control,
    .form-select {
      border-radius: var(--radius);
      color: var(--text);
      background-color: rgba(255, 255, 255, .06);
      border: 1px solid var(--line);
      min-height: 48px;
    }

    .form-control::placeholder {
      color: rgba(203, 213, 225, .62);
    }

    .form-control:focus,
    .form-select:focus {
      color: var(--text);
      background-color: rgba(255, 255, 255, .08);
      border-color: var(--cyan);
      box-shadow: 0 0 0 .22rem rgba(0, 240, 255, .14);
    }

    section {
      padding: 70px 0;
    }

    .section-head {
      display: grid;
      grid-template-columns: minmax(0, .95fr) minmax(280px, .55fr);
      gap: 30px;
      align-items: end;
      margin-bottom: 34px;
    }

    .section-head p {
      color: var(--muted);
      margin: 0;
    }

    .divider-line {
      height: 1px;
      background: linear-gradient(90deg, transparent, rgba(0, 240, 255, .52), transparent);
      margin: 0;
    }

    .category-strip {
      display: grid;
      grid-template-columns: 1.2fr .8fr;
      gap: 18px;
    }

    .category-main,
    .steel-panel,
    .ranking-panel,
    .faq-panel {
      background: linear-gradient(135deg, rgba(25,31,45,.94), rgba(12,15,24,.94));
      border: 1px solid var(--line);
      box-shadow: var(--shadow);
    }

    .category-main {
      padding: 28px;
      display: grid;
      grid-template-columns: .82fr 1fr;
      gap: 22px;
      align-items: center;
    }

    .category-main img {
      width: 100%;
      height: 290px;
      object-fit: cover;
      border: 1px solid var(--line);
    }

    .tag-row {
      display: flex;
      flex-wrap: wrap;
      gap: 8px;
      margin: 14px 0 18px;
    }

    .tag {
      display: inline-flex;
      align-items: center;
      gap: 7px;
      padding: 7px 10px;
      color: var(--muted);
      border: 1px solid rgba(203, 213, 225, .18);
      background: rgba(255, 255, 255, .035);
      font-size: .82rem;
      font-weight: 750;
    }

    .tag.hot {
      color: #081018;
      background: var(--lime);
      border-color: var(--lime);
    }

    .category-side {
      display: grid;
      gap: 18px;
    }

    .mini-entry {
      padding: 20px;
      background: rgba(20, 24, 34, .78);
      border: 1px solid var(--line);
      border-left: 3px solid var(--blue);
      transition: transform .2s ease, border-color .2s ease;
    }

    .mini-entry:hover {
      transform: translateY(-3px);
      border-color: rgba(0, 240, 255, .38);
    }

    .mini-entry p,
    .category-main p,
    .steel-panel p,
    .ranking-panel p,
    .faq-panel p {
      color: var(--muted);
      margin-bottom: 0;
    }

    .area-grid {
      display: grid;
      grid-template-columns: .8fr 1.2fr;
      gap: 20px;
      align-items: stretch;
    }

    .map-panel {
      min-height: 420px;
      background:
        linear-gradient(rgba(8, 9, 15, .52), rgba(8, 9, 15, .78)),
        url("/assets/images/coverpic/cover-3.jpg") center/cover no-repeat;
      border: 1px solid var(--line);
      position: relative;
      overflow: hidden;
    }

    .map-panel::before {
      content: "";
      position: absolute;
      inset: 22px;
      border: 1px solid rgba(0, 240, 255, .28);
      clip-path: polygon(0 0, 88% 0, 100% 13%, 100% 100%, 12% 100%, 0 88%);
    }

    .map-label {
      position: absolute;
      left: 28px;
      bottom: 28px;
      right: 28px;
      padding: 18px;
      background: rgba(8, 9, 15, .76);
      border: 1px solid var(--line-strong);
      backdrop-filter: blur(10px);
    }

    .area-list {
      display: grid;
      gap: 12px;
    }

    .area-item {
      display: grid;
      grid-template-columns: 1fr 132px;
      gap: 16px;
      align-items: center;
      padding: 18px;
      background: rgba(255, 255, 255, .045);
      border: 1px solid var(--line);
    }

    .area-item strong {
      display: block;
      margin-bottom: 4px;
    }

    .area-item span {
      color: var(--muted-2);
      font-size: .92rem;
    }

    .bar {
      height: 9px;
      background: rgba(255, 255, 255, .08);
      overflow: hidden;
    }

    .bar i {
      display: block;
      height: 100%;
      background: linear-gradient(90deg, var(--blue), var(--cyan), var(--lime));
    }

    .recommend-grid {
      display: grid;
      grid-template-columns: repeat(3, minmax(0, 1fr));
      gap: 18px;
    }

    .rec-card {
      min-height: 100%;
      border: 1px solid var(--line);
      background: linear-gradient(180deg, rgba(255,255,255,.06), rgba(255,255,255,.025));
      transition: transform .2s ease, box-shadow .2s ease, border-color .2s ease;
    }

    .rec-card:hover {
      transform: translateY(-5px) scale(1.01);
      border-color: rgba(0, 240, 255, .46);
      box-shadow: 0 0 26px rgba(0, 240, 255, .16);
    }

    .rec-card img {
      width: 100%;
      height: 174px;
      object-fit: cover;
      border-bottom: 1px solid var(--line);
    }

    .rec-body {
      padding: 20px;
    }

    .rec-body p {
      color: var(--muted);
      margin: 10px 0 16px;
    }

    .check-list {
      list-style: none;
      padding: 0;
      margin: 0;
      display: grid;
      gap: 9px;
      color: var(--muted);
    }

    .check-list li {
      display: flex;
      gap: 10px;
      align-items: flex-start;
    }

    .check-list i {
      color: var(--lime);
      margin-top: 5px;
    }

    .ranking-layout {
      display: grid;
      grid-template-columns: 1fr .72fr;
      gap: 20px;
    }

    .ranking-panel {
      padding: 24px;
    }

    .rank-row {
      display: grid;
      grid-template-columns: 44px 1fr 92px;
      gap: 14px;
      align-items: center;
      padding: 16px 0;
      border-bottom: 1px solid rgba(203, 213, 225, .12);
    }

    .rank-row:last-child {
      border-bottom: 0;
    }

    .rank-num {
      width: 36px;
      height: 36px;
      display: grid;
      place-items: center;
      color: #07111a;
      font-weight: 950;
      background: var(--cyan);
    }

    .score {
      color: var(--lime);
      font-weight: 900;
      text-align: right;
    }

    .process {
      display: grid;
      gap: 12px;
      counter-reset: steps;
    }

    .step {
      position: relative;
      padding: 20px 20px 20px 62px;
      border: 1px solid var(--line);
      background: rgba(255, 255, 255, .04);
      counter-increment: steps;
    }

    .step::before {
      content: counter(steps);
      position: absolute;
      left: 18px;
      top: 20px;
      width: 30px;
      height: 30px;
      display: grid;
      place-items: center;
      color: var(--bg);
      background: var(--lime);
      font-weight: 950;
    }

    .faq-panel {
      padding: 8px;
    }

    .accordion-item {
      color: var(--text);
      background: transparent;
      border: 0;
      border-bottom: 1px solid rgba(203, 213, 225, .12);
    }

    .accordion-item:last-child {
      border-bottom: 0;
    }

    .accordion-button {
      color: var(--text);
      background: transparent;
      box-shadow: none;
      padding: 18px;
      font-weight: 850;
    }

    .accordion-button:not(.collapsed) {
      color: var(--cyan);
      background: rgba(0, 240, 255, .055);
      box-shadow: none;
    }

    .accordion-button:focus {
      border-color: transparent;
      box-shadow: 0 0 0 .22rem rgba(0, 240, 255, .12);
    }

    .accordion-button::after {
      filter: invert(1);
    }

    .accordion-body {
      color: var(--muted);
      padding: 0 18px 20px;
    }

    .cta-band {
      padding: 58px 0;
      background:
        linear-gradient(90deg, rgba(0,82,255,.18), rgba(0,240,255,.08)),
        linear-gradient(135deg, rgba(20,24,34,.98), rgba(8,9,15,.98));
      border-top: 1px solid var(--line);
      border-bottom: 1px solid var(--line);
    }

    .cta-panel {
      display: grid;
      grid-template-columns: 1fr auto;
      gap: 24px;
      align-items: center;
    }

    .cta-panel p {
      color: var(--muted);
      max-width: 740px;
      margin: 12px 0 0;
    }

    .fab-support {
      position: fixed;
      left: 16px;
      bottom: 96px;
      z-index: 50;
      width: 58px;
      height: 58px;
      display: grid;
      place-items: center;
      color: var(--cyan);
      background: rgba(0, 0, 0, .6);
      border: 1px solid transparent;
      opacity: .68;
      clip-path: polygon(13% 0, 100% 0, 87% 100%, 0 100%);
      box-shadow: 0 0 18px rgba(0, 240, 255, .5);
      backdrop-filter: blur(12px);
      transition: transform .2s ease, opacity .2s ease, box-shadow .2s ease;
      animation: neonBreath 2.8s ease-in-out infinite;
    }

    .fab-support::before {
      content: "";
      position: absolute;
      inset: -2px;
      background: linear-gradient(135deg, var(--lime), var(--cyan), var(--blue));
      z-index: -1;
      opacity: .8;
    }

    .fab-support::after {
      content: "NEW";
      position: absolute;
      right: -8px;
      top: -8px;
      padding: 2px 5px;
      color: #081018;
      background: var(--lime);
      font-size: .62rem;
      font-weight: 950;
      animation: blinkSign 1.1s step-end infinite;
    }

    .fab-support:hover,
    .fab-support:focus {
      opacity: 1;
      transform: scale(1.08);
      box-shadow: 0 0 34px rgba(0, 240, 255, .75);
      outline: none;
    }

    .fab-support:active {
      transform: scale(.95) translateY(2px);
      color: var(--lime);
    }

    .site-footer {
      padding: 58px 0 0;
      background: #06070b;
      border-top: 1px solid var(--line);
    }

    .footer-grid {
      display: grid;
      grid-template-columns: 1.3fr .7fr .8fr;
      gap: 34px;
      padding-bottom: 34px;
    }

    .footer-brand {
      display: flex;
      align-items: center;
      gap: 12px;
      margin-bottom: 16px;
    }

    .footer-title {
      font-weight: 900;
      font-size: 1.05rem;
    }

    .footer-text {
      color: var(--muted);
      max-width: 560px;
      margin: 0;
    }

    .footer-col h3 {
      font-size: .98rem;
      margin-bottom: 14px;
      color: var(--text);
    }

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

    .footer-links a {
      color: var(--muted);
      width: fit-content;
    }

    .footer-links a:hover,
    .footer-links a:focus {
      color: var(--cyan);
      outline: none;
    }

    .footer-bottom {
      display: flex;
      justify-content: space-between;
      gap: 16px;
      padding: 18px 0;
      color: var(--muted-2);
      font-size: .88rem;
      border-top: 1px solid rgba(203, 213, 225, .11);
    }

    @keyframes neonBreath {
      0%, 100% { opacity: .62; }
      50% { opacity: .9; }
    }

    @keyframes blinkSign {
      0%, 49% { opacity: 1; }
      50%, 100% { opacity: .25; }
    }

    @media (max-width: 1100px) {
      .nav-shell {
        flex-wrap: wrap;
        padding: 12px 0;
      }

      .brand {
        min-width: 0;
      }

      .nav-links {
        order: 3;
        width: 100%;
        overflow-x: auto;
        justify-content: flex-start;
      }

      .nav-links a {
        flex: 0 0 auto;
      }

      .category-strip,
      .ranking-layout,
      .area-grid {
        grid-template-columns: 1fr;
      }
    }

    @media (max-width: 768px) {
      .container {
        width: min(100% - 24px, var(--container));
      }

      .nav-shell {
        gap: 10px;
      }

      .brand-text strong {
        font-size: .9rem;
      }

      .brand-text span {
        display: none;
      }

      .nav-actions {
        margin-left: auto;
      }

      .login-link {
        padding: 8px 4px;
        font-size: .9rem;
      }

      .btn-neon,
      .btn-metal,
      .btn-ghost {
        padding: 11px 13px;
        font-size: .9rem;
      }

      .page-hero {
        padding: 48px 0 44px;
      }

      .hero-metrics,
      .section-head,
      .category-main,
      .recommend-grid,
      .footer-grid,
      .cta-panel {
        grid-template-columns: 1fr;
      }

      section {
        padding: 52px 0;
      }

      .category-main {
        padding: 18px;
      }

      .area-item {
        grid-template-columns: 1fr;
      }

      .rank-row {
        grid-template-columns: 38px 1fr 70px;
      }

      .footer-bottom {
        flex-direction: column;
      }
    }

    @media (max-width: 520px) {
      h1 {
        font-size: 2rem;
      }

      .nav-actions {
        width: 100%;
        justify-content: space-between;
      }

      .nav-actions .btn-neon {
        flex: 1;
      }

      .brand-mark {
        width: 38px;
        height: 38px;
      }

      .cover-frame img {
        height: 230px;
      }

      .hero-actions {
        align-items: stretch;
      }

      .hero-actions a {
        width: 100%;
      }

      .fab-support {
        left: 16px;
        bottom: 88px;
        width: 54px;
        height: 54px;
      }
    }