/* roulang page: index */
:root{
    --bg:#030712;
    --bg-2:#081229;
    --panel:rgba(13,26,54,.62);
    --panel-solid:rgba(8,18,41,.86);
    --line:rgba(56,189,248,.16);
    --line-strong:rgba(56,189,248,.42);
    --volt:#2563EB;
    --cyan:#38BDF8;
    --holo:#60A5FA;
    --ice:#94A3B8;
    --text:#F8FAFC;
    --soft:#cbd5e1;
    --ok:#5eead4;
    --warn:#fbbf24;
    --radius-lg:20px;
    --radius-md:14px;
    --radius-sm:10px;
    --maxw:1200px;
    --shadow-glow:0 24px 60px -30px rgba(37,99,235,.75);
  }

  *,*::before,*::after{box-sizing:border-box;}
  html{scroll-behavior:smooth;-webkit-text-size-adjust:100%;}
  body{
    margin:0;
    font-family:"Be Vietnam Pro",system-ui,-apple-system,"Segoe UI",Roboto,sans-serif;
    font-size:16px;
    line-height:1.65;
    color:var(--text);
    background:
      radial-gradient(1100px 640px at 10% -12%, rgba(37,99,235,.38), transparent 62%),
      radial-gradient(880px 520px at 94% 3%, rgba(56,189,248,.2), transparent 58%),
      var(--bg);
    overflow-x:hidden;
  }
  img{max-width:100%;display:block;height:auto;}
  a{color:inherit;text-decoration:none;}
  button{font:inherit;color:inherit;background:none;border:0;cursor:pointer;}
  ul{margin:0;padding:0;list-style:none;}
  h1,h2,h3,h4{margin:0;font-weight:800;line-height:1.25;letter-spacing:-.01em;}
  p{margin:0;}
  :focus-visible{outline:2px solid var(--cyan);outline-offset:3px;border-radius:8px;}

  .container{width:100%;max-width:var(--maxw);margin:0 auto;padding:0 20px;}
  .section{padding:76px 0;position:relative;}
  .section--alt{background:linear-gradient(180deg,rgba(8,18,41,.55),rgba(3,7,18,0));border-top:1px solid rgba(56,189,248,.08);border-bottom:1px solid rgba(56,189,248,.08);}
  .section-head{max-width:780px;margin-bottom:36px;}
  .section-head--center{max-width:820px;margin-left:auto;margin-right:auto;text-align:center;}
  .eyebrow{display:inline-flex;align-items:center;gap:8px;font-size:11.5px;font-weight:700;letter-spacing:.15em;text-transform:uppercase;color:var(--cyan);background:rgba(56,189,248,.09);border:1px solid rgba(56,189,248,.26);padding:7px 14px;border-radius:999px;}
  .section-title{font-size:clamp(23px,3.2vw,36px);margin-top:16px;}
  .section-sub{color:var(--ice);font-size:15.5px;margin-top:14px;max-width:720px;line-height:1.7;}
  .section-head--center .section-sub{margin-left:auto;margin-right:auto;}

  /* ===== Header / Nav ===== */
  .site-header{position:sticky;top:0;z-index:60;background:rgba(3,7,18,.84);backdrop-filter:blur(16px);-webkit-backdrop-filter:blur(16px);border-bottom:1px solid rgba(56,189,248,.14);}
  .nav-wrap{display:flex;align-items:center;gap:16px;min-height:70px;}
  .logo{display:flex;align-items:center;gap:10px;flex-shrink:0;}
  .logo-mark{width:38px;height:38px;border-radius:12px;display:grid;place-items:center;font-weight:800;font-size:19px;color:#04121f;background:linear-gradient(135deg,#2563EB,#38BDF8);box-shadow:0 0 20px rgba(56,189,248,.5);}
  .logo-text{display:flex;flex-direction:column;gap:3px;font-weight:800;font-size:18px;line-height:1;}
  .logo-text em{font-style:normal;font-size:10px;font-weight:700;letter-spacing:.16em;text-transform:uppercase;color:var(--cyan);}
  .nav-main{display:flex;align-items:center;gap:4px;margin-left:auto;}
  .nav-link{padding:9px 15px;border-radius:10px;font-size:14.5px;font-weight:600;color:#c3d3e8;transition:background .2s,color .2s,box-shadow .2s;white-space:nowrap;}
  .nav-link:hover{color:#fff;background:rgba(56,189,248,.1);}
  .nav-link.active{color:#fff;background:rgba(37,99,235,.24);box-shadow:inset 0 0 0 1px rgba(56,189,248,.32);}
  .nav-actions{display:flex;align-items:center;gap:10px;flex-shrink:0;}
  .btn-ghost{display:inline-flex;align-items:center;justify-content:center;padding:9px 16px;border-radius:11px;font-size:14px;font-weight:600;color:#bae6fd;border:1px solid rgba(56,189,248,.34);transition:.2s;}
  .btn-ghost:hover{background:rgba(56,189,248,.13);color:#fff;box-shadow:0 0 16px rgba(56,189,248,.28);}
  .btn-solid{display:inline-flex;align-items:center;justify-content:center;gap:8px;padding:11px 20px;border-radius:12px;font-size:14.5px;font-weight:700;color:#04121f;background:linear-gradient(135deg,#2563EB 0%,#38BDF8 100%);box-shadow:0 0 22px rgba(56,189,248,.45),inset 0 1px 0 rgba(255,255,255,.4);transition:transform .2s,box-shadow .2s;white-space:nowrap;}
  .btn-solid:hover{transform:translateY(-2px);box-shadow:0 0 32px rgba(56,189,248,.65),inset 0 1px 0 rgba(255,255,255,.5);}
  .btn-solid:active{transform:translateY(0) scale(.98);}
  .btn-outline{display:inline-flex;align-items:center;justify-content:center;gap:8px;padding:11px 20px;border-radius:12px;font-size:14.5px;font-weight:600;color:#e0f2fe;border:1px solid rgba(56,189,248,.4);background:rgba(56,189,248,.06);transition:.2s;}
  .btn-outline:hover{background:rgba(56,189,248,.15);border-color:rgba(56,189,248,.72);transform:translateY(-2px);}
  .btn-lg{padding:14px 26px;font-size:15.5px;border-radius:14px;}
  .nav-toggle{display:none;width:42px;height:42px;border-radius:11px;border:1px solid rgba(56,189,248,.3);place-items:center;color:#bae6fd;transition:.2s;}
  .nav-toggle:hover{background:rgba(56,189,248,.12);}
  .mobile-drawer{display:none;border-top:1px solid rgba(56,189,248,.14);background:rgba(3,7,18,.98);padding:10px 20px 20px;}
  .mobile-drawer.open{display:block;}
  .mobile-drawer a{display:block;padding:13px 4px;font-weight:600;font-size:15px;color:#c3d3e8;border-bottom:1px solid rgba(148,163,184,.12);}
  .mobile-drawer a.active{color:var(--cyan);}

  /* ===== Hero ===== */
  .hero{position:relative;overflow:hidden;border-bottom:1px solid rgba(56,189,248,.14);}
  .hero-bg{position:absolute;inset:0;background:url('/assets/images/2a4c74332e4f3c5c.jpg') center/cover no-repeat;}
  .hero-bg::after{content:"";position:absolute;inset:0;background:linear-gradient(100deg,rgba(3,7,18,.97) 6%,rgba(8,18,41,.86) 48%,rgba(3,7,18,.95) 100%);}
  .hero-lines{position:absolute;inset:0;background-image:linear-gradient(rgba(56,189,248,.07) 1px,transparent 1px),linear-gradient(90deg,rgba(56,189,248,.07) 1px,transparent 1px);background-size:58px 58px;-webkit-mask-image:radial-gradient(circle at 62% 42%,#000 0%,transparent 76%);mask-image:radial-gradient(circle at 62% 42%,#000 0%,transparent 76%);}
  .hero-inner{position:relative;z-index:2;display:grid;grid-template-columns:1.12fr .88fr;gap:54px;align-items:center;padding:86px 0 74px;}
  .hero h1{font-size:clamp(27px,3.9vw,44px);line-height:1.2;margin-top:20px;max-width:16em;}
  .hero-lead{color:#c7d7ef;font-size:16.5px;margin-top:20px;max-width:620px;line-height:1.7;}
  .hero-actions{display:flex;flex-wrap:wrap;gap:14px;margin-top:30px;}
  .hero-data{display:grid;grid-template-columns:repeat(4,auto);gap:26px;margin-top:34px;padding-top:26px;border-top:1px solid rgba(56,189,248,.16);}
  .hero-data b{display:block;font-size:21px;font-weight:800;color:#fff;line-height:1.2;}
  .hero-data span{font-size:12.5px;color:var(--ice);letter-spacing:.03em;}

  .terminal{border-radius:var(--radius-lg);border:1px solid rgba(56,189,248,.28);background:linear-gradient(165deg,rgba(13,32,68,.9),rgba(4,10,26,.95));box-shadow:var(--shadow-glow),inset 0 1px 0 rgba(255,255,255,.07);overflow:hidden;backdrop-filter:blur(14px);}
  .terminal-bar{display:flex;align-items:center;gap:8px;padding:13px 16px;border-bottom:1px solid rgba(56,189,248,.16);background:rgba(8,18,41,.72);}
  .dot{width:10px;height:10px;border-radius:50%;flex-shrink:0;}
  .dot-r{background:#f87171;}
  .dot-y{background:#fbbf24;}
  .dot-g{background:#34d399;}
  .terminal-title{margin-left:8px;font-size:11.5px;font-weight:700;letter-spacing:.11em;text-transform:uppercase;color:#7dd3fc;}
  .terminal-body{padding:20px 20px 24px;font-family:ui-monospace,SFMono-Regular,Menlo,Consolas,monospace;font-size:13.5px;line-height:2.05;color:#cbd5e1;}
  .terminal-body .cmd{color:#38BDF8;}
  .terminal-body .ok{color:#34d399;}
  .terminal-body .warn{color:#fbbf24;}
  .terminal-body .muted{color:#7f93b0;}

  /* ===== Metrics ===== */
  .metric-grid{display:grid;grid-template-columns:repeat(6,1fr);gap:16px;}
  .metric{padding:22px 20px;border-radius:var(--radius-md);border:1px solid var(--line);background:linear-gradient(160deg,rgba(15,30,64,.6),rgba(5,12,30,.72));transition:border-color .25s,transform .25s,box-shadow .25s;}
  .metric:hover{border-color:var(--line-strong);transform:translateY(-4px);box-shadow:0 0 28px rgba(56,189,248,.22);}
  .metric b{display:block;font-size:26px;font-weight:800;background:linear-gradient(120deg,#38BDF8,#93c5fd);-webkit-background-clip:text;background-clip:text;color:transparent;}
  .metric span{display:block;font-size:13px;color:var(--ice);margin-top:4px;line-height:1.5;}

  /* ===== Cards / Features ===== */
  .grid-3{display:grid;grid-template-columns:repeat(3,1fr);gap:20px;}
  .grid-2{display:grid;grid-template-columns:repeat(2,1fr);gap:20px;}
  .grid-4{display:grid;grid-template-columns:repeat(4,1fr);gap:20px;}
  .feature{padding:26px 24px;border-radius:var(--radius-lg);border:1px solid rgba(56,189,248,.14);background:linear-gradient(160deg,rgba(15,30,64,.58),rgba(6,14,34,.7));transition:border-color .25s,transform .25s,box-shadow .25s;}
  .feature:hover{border-color:rgba(56,189,248,.46);transform:translateY(-5px);box-shadow:0 24px 48px -28px rgba(56,189,248,.65);}
  .feature .ico{width:46px;height:46px;border-radius:13px;display:grid;place-items:center;font-size:20px;background:rgba(37,99,235,.2);border:1px solid rgba(56,189,248,.32);color:#7dd3fc;margin-bottom:16px;}
  .feature h3{font-size:17px;margin-bottom:9px;}
  .feature p{font-size:14.5px;color:var(--ice);line-height:1.65;}

  /* ===== Game grid ===== */
  .game-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:18px;}
  .game-card{position:relative;display:block;border-radius:var(--radius-md);overflow:hidden;border:1px solid rgba(56,189,248,.16);background:#081229;transition:border-color .3s,transform .3s,box-shadow .3s;}
  .game-card:hover{border-color:rgba(56,189,248,.6);transform:translateY(-5px);box-shadow:0 0 30px rgba(56,189,248,.28);}
  .game-thumb{position:relative;overflow:hidden;height:164px;}
  .game-thumb img{width:100%;height:100%;object-fit:cover;transition:transform .5s ease;}
  .game-card:hover .game-thumb img{transform:scale(1.08);}
  .game-thumb::after{content:"";position:absolute;inset:0;background:linear-gradient(180deg,rgba(3,7,18,.05) 30%,rgba(8,18,41,.92) 100%);}
  .game-tag{position:absolute;top:12px;left:12px;z-index:3;font-size:10.5px;font-weight:700;letter-spacing:.1em;text-transform:uppercase;padding:4px 9px;border-radius:6px;background:linear-gradient(120deg,#2563EB,#38BDF8);color:#04121f;}
  .game-meta{padding:14px 16px 18px;position:relative;z-index:3;}
  .game-meta h3{font-size:15.5px;}
  .game-meta p{font-size:13px;color:var(--ice);margin-top:5px;}

  /* ===== Steps ===== */
  .steps{display:grid;grid-template-columns:repeat(3,1fr);gap:20px;}
  .step{padding:28px 24px;border-radius:var(--radius-lg);border:1px solid rgba(56,189,248,.16);background:rgba(8,18,41,.6);transition:border-color .25s,transform .25s;}
  .step:hover{border-color:var(--line-strong);transform:translateY(-4px);}
  .step-num{width:44px;height:44px;border-radius:13px;display:grid;place-items:center;font-weight:800;font-size:18px;color:#04121f;background:linear-gradient(135deg,#2563EB,#38BDF8);box-shadow:0 0 20px rgba(56,189,248,.45);margin-bottom:16px;}
  .step h3{font-size:17px;margin-bottom:9px;}
  .step p{font-size:14.5px;color:var(--ice);}

  /* ===== Compare table ===== */
  .table-wrap{overflow-x:auto;border-radius:16px;border:1px solid rgba(56,189,248,.18);}
  .compare{width:100%;min-width:640px;border-collapse:separate;border-spacing:0;}
  .compare th,.compare td{padding:16px 18px;text-align:left;font-size:14.5px;border-bottom:1px solid rgba(56,189,248,.12);}
  .compare thead th{background:rgba(37,99,235,.2);font-size:12px;font-weight:700;letter-spacing:.09em;text-transform:uppercase;color:#7dd3fc;}
  .compare tbody tr:last-child td{border-bottom:0;}
  .compare tbody tr:hover td{background:rgba(56,189,248,.05);}
  .compare td.yes{color:var(--ok);font-weight:600;}
  .compare td.no{color:#8296b3;}

  /* ===== Timeline ===== */
  .timeline{position:relative;padding-left:26px;border-left:1px solid rgba(56,189,248,.28);}
  .tl-item{position:relative;padding:0 0 30px 22px;}
  .tl-item:last-child{padding-bottom:0;}
  .tl-item::before{content:"";position:absolute;left:-33px;top:7px;width:13px;height:13px;border-radius:50%;background:#38BDF8;box-shadow:0 0 0 5px rgba(56,189,248,.16);}
  .tl-item h3{font-size:17px;margin-bottom:7px;}
  .tl-item p{font-size:14.5px;color:var(--ice);}

  /* ===== Quotes ===== */
  .quote{padding:24px;border-radius:var(--radius-lg);border:1px solid rgba(56,189,248,.15);background:rgba(8,18,41,.6);transition:border-color .25s,transform .25s;}
  .quote:hover{border-color:rgba(56,189,248,.42);transform:translateY(-4px);}
  .quote p{font-size:14.5px;color:#cbd5e1;font-style:italic;line-height:1.68;}
  .quote-author{margin-top:18px;display:flex;align-items:center;gap:11px;}
  .avatar{width:40px;height:40px;border-radius:50%;display:grid;place-items:center;font-weight:700;font-size:15px;color:#04121f;background:linear-gradient(135deg,#2563EB,#38BDF8);flex-shrink:0;}
  .quote-author b{display:block;font-size:14px;}
  .quote-author span{font-size:12.5px;color:var(--ice);}

  /* ===== Category cards ===== */
  .cat-card{display:block;padding:26px 24px;border-radius:var(--radius-lg);border:1px solid rgba(56,189,248,.16);background:linear-gradient(160deg,rgba(15,30,64,.6),rgba(6,14,34,.74));transition:border-color .25s,transform .25s,box-shadow .25s;}
  .cat-card:hover{border-color:rgba(56,189,248,.58);transform:translateY(-5px);box-shadow:0 24px 48px -28px rgba(56,189,248,.7);}
  .cat-card .cat-num{font-size:12px;font-weight:700;letter-spacing:.14em;color:var(--cyan);text-transform:uppercase;}
  .cat-card h3{font-size:18px;margin:10px 0 9px;}
  .cat-card p{font-size:14.5px;color:var(--ice);}
  .cat-card .cat-go{margin-top:16px;display:inline-flex;align-items:center;gap:7px;font-size:13.5px;font-weight:700;color:#7dd3fc;}

  /* ===== Trust list ===== */
  .trust-item{display:flex;gap:15px;padding:22px;border-radius:var(--radius-md);border:1px solid rgba(56,189,248,.14);background:rgba(8,18,41,.55);transition:border-color .25s,transform .25s;}
  .trust-item:hover{border-color:rgba(56,189,248,.45);transform:translateY(-3px);}
  .trust-ico{width:42px;height:42px;border-radius:12px;display:grid;place-items:center;font-size:18px;background:rgba(37,99,235,.2);border:1px solid rgba(56,189,248,.3);color:#7dd3fc;flex-shrink:0;}
  .trust-item h3{font-size:16px;margin-bottom:6px;}
  .trust-item p{font-size:14px;color:var(--ice);}

  /* ===== Checklist ===== */
  .check-list{display:grid;grid-template-columns:repeat(2,1fr);gap:14px;}
  .check-item{display:flex;align-items:flex-start;gap:13px;padding:18px 20px;border-radius:var(--radius-md);border:1px solid rgba(56,189,248,.14);background:rgba(8,18,41,.5);}
  .check-mark{width:26px;height:26px;border-radius:8px;display:grid;place-items:center;font-size:13px;font-weight:700;color:#04121f;background:linear-gradient(135deg,#38BDF8,#2563EB);flex-shrink:0;margin-top:2px;}
  .check-item p{font-size:14.5px;color:var(--soft);}

  /* ===== News ===== */
  .news-layout{display:grid;grid-template-columns:1.55fr 1fr;gap:26px;align-items:start;}
  .news-list{display:grid;gap:14px;}
  .news-item{display:flex;gap:16px;padding:18px;border-radius:var(--radius-md);border:1px solid rgba(56,189,248,.13);background:linear-gradient(150deg,rgba(12,25,54,.6),rgba(5,12,30,.66));transition:border-color .22s,transform .22s,box-shadow .22s;}
  .news-item:hover{border-color:rgba(56,189,248,.48);transform:translateX(5px);box-shadow:0 0 26px rgba(56,189,248,.16);}
  .news-idx{width:44px;height:44px;border-radius:12px;display:grid;place-items:center;font-weight:800;font-size:15px;color:#7dd3fc;background:rgba(37,99,235,.18);border:1px solid rgba(56,189,248,.28);flex-shrink:0;}
  .news-body{min-width:0;}
  .news-cat{display:inline-block;font-size:11px;font-weight:700;letter-spacing:.08em;text-transform:uppercase;color:var(--cyan);margin-bottom:6px;}
  .news-body h3{font-size:16px;line-height:1.42;}
  .news-body p{font-size:13.8px;color:var(--ice);margin-top:7px;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;}
  .news-date{display:block;font-size:12.5px;color:#7f93b0;margin-top:9px;}
  .news-side{padding:24px;border-radius:var(--radius-lg);border:1px solid rgba(56,189,248,.18);background:linear-gradient(165deg,rgba(14,30,64,.75),rgba(4,10,26,.85));}
  .news-side h3{font-size:17px;margin-bottom:16px;}
  .side-item{display:block;padding:13px 0;border-bottom:1px solid rgba(56,189,248,.12);transition:padding-left .2s;}
  .side-item:last-child{border-bottom:0;padding-bottom:0;}
  .side-item:hover{padding-left:6px;}
  .side-item strong{display:block;font-size:14.5px;font-weight:600;line-height:1.45;}
  .side-item span{display:block;font-size:12px;color:#7f93b0;margin-top:5px;}

  /* ===== FAQ ===== */
  .faq-list{display:grid;gap:12px;max-width:900px;}
  .faq-item{border-radius:var(--radius-md);border:1px solid rgba(56,189,248,.16);background:rgba(8,18,41,.55);overflow:hidden;transition:border-color .25s;}
  .faq-item[open]{border-color:rgba(56,189,248,.48);}
  .faq-item summary{list-style:none;cursor:pointer;padding:19px 22px;font-size:15.5px;font-weight:700;color:#e8f2ff;display:flex;justify-content:space-between;gap:16px;align-items:center;}
  .faq-item summary::-webkit-details-marker{display:none;}
  .faq-item summary::after{content:"+";font-size:20px;font-weight:700;color:var(--cyan);line-height:1;flex-shrink:0;}
  .faq-item[open] summary::after{content:"–";}
  .faq-item p{padding:0 22px 22px;font-size:14.5px;color:var(--ice);line-height:1.7;}

  /* ===== CTA / Form ===== */
  .cta-panel{position:relative;overflow:hidden;border-radius:26px;border:1px solid rgba(56,189,248,.24);background:linear-gradient(150deg,rgba(10,24,54,.94),rgba(3,7,18,.96));box-shadow:0 40px 90px -50px rgba(37,99,235,.9);}
  .cta-bg{position:absolute;inset:0;background:url('/assets/images/d40a0df19be07a3f.jpg') center/cover no-repeat;opacity:.16;}
  .cta-inner{position:relative;z-index:2;display:grid;grid-template-columns:1fr 1fr;gap:40px;padding:46px;align-items:center;}
  .cta-inner h2{font-size:clamp(22px,2.8vw,32px);margin-top:16px;}
  .cta-inner .cta-sub{color:#c7d7ef;font-size:15.5px;margin-top:14px;}
  .cta-points{margin-top:24px;display:grid;gap:11px;}
  .cta-points li{display:flex;gap:11px;font-size:14.5px;color:var(--soft);}
  .cta-points li::before{content:"✓";color:var(--ok);font-weight:700;flex-shrink:0;}
  .form-card{padding:30px;border-radius:var(--radius-lg);border:1px solid rgba(56,189,248,.26);background:linear-gradient(165deg,rgba(15,32,70,.9),rgba(4,10,26,.94));backdrop-filter:blur(12px);}
  .field{display:block;margin-bottom:16px;}
  .field span{display:block;font-size:12.5px;font-weight:600;color:#bae6fd;margin-bottom:7px;letter-spacing:.02em;}
  .field input,.field select{width:100%;padding:13px 15px;border-radius:11px;border:1px solid rgba(56,189,248,.25);background:rgba(3,7,18,.72);color:#fff;font-size:14.5px;font-family:inherit;transition:border-color .2s,box-shadow .2s;}
  .field input::placeholder{color:#7f93b0;}
  .field input:focus,.field select:focus{outline:none;border-color:#38BDF8;box-shadow:0 0 0 3px rgba(56,189,248,.18);}
  .form-note{margin-top:14px;font-size:13.5px;color:var(--ok);line-height:1.6;}
  .form-hint{margin-top:14px;font-size:12.5px;color:#7f93b0;line-height:1.6;}

  /* ===== Footer ===== */
  .site-footer{border-top:1px solid rgba(56,189,248,.14);background:linear-gradient(180deg,rgba(4,9,24,.7),rgba(2,4,12,.99));padding:58px 0 26px;}
  .footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1.15fr;gap:32px;}
  .footer-brand p{font-size:14px;color:var(--ice);margin-top:16px;max-width:340px;}
  .pay-row{display:flex;flex-wrap:wrap;gap:8px;margin-top:18px;}
  .pay-badge{font-size:11.5px;font-weight:700;letter-spacing:.05em;padding:6px 11px;border-radius:8px;color:#bae6fd;border:1px solid rgba(56,189,248,.26);background:rgba(56,189,248,.07);}
  .footer-title{font-size:12px;font-weight:700;letter-spacing:.13em;text-transform:uppercase;color:#7dd3fc;margin-bottom:14px;}
  .footer-link{display:block;padding:6px 0;font-size:14px;color:#9fb2cd;transition:color .2s,transform .2s;}
  .footer-link:hover{color:var(--cyan);transform:translateX(3px);}
  .footer-info li{font-size:14px;color:#9fb2cd;padding:5px 0;}
  .footer-info b{color:#e8f2ff;}
  .footer-bottom{margin-top:36px;padding-top:22px;border-top:1px solid rgba(56,189,248,.12);display:flex;flex-wrap:wrap;gap:14px;justify-content:space-between;align-items:center;font-size:13px;color:#7c8db0;}
  .age-badge{display:inline-flex;align-items:center;gap:7px;font-size:12px;font-weight:700;color:#bae6fd;border:1px solid rgba(56,189,248,.3);border-radius:999px;padding:5px 12px;}

  /* ===== FAB ===== */
  .fab{position:fixed;left:16px;bottom:96px;z-index:50;display:inline-flex;align-items:center;gap:10px;min-height:56px;padding:12px 20px;border-radius:999px;font-size:14px;font-weight:700;color:#e0f2fe;border:1.5px solid transparent;background:linear-gradient(rgba(5,10,24,.88),rgba(5,10,24,.88)) padding-box,linear-gradient(120deg,#38BDF8,#2563EB) border-box;backdrop-filter:blur(14px);-webkit-backdrop-filter:blur(14px);opacity:.78;transition:opacity .25s,transform .25s,box-shadow .25s;animation:fabPulse 3.6s ease-in-out infinite;}
  .fab:hover{opacity:1;transform:translateY(-3px);box-shadow:0 0 36px rgba(56,189,248,.8);}
  .fab:active{transform:scale(.95);}
  .fab-spark{font-size:16px;}
  .fab-dot{position:absolute;top:-3px;right:-3px;width:12px;height:12px;border-radius:50%;background:#ef4444;box-shadow:0 0 0 3px rgba(3,7,18,.92);}
  @keyframes fabPulse{0%,100%{box-shadow:0 0 18px rgba(56,189,248,.35);}50%{box-shadow:0 0 34px rgba(56,189,248,.7);}}

  /* ===== Responsive ===== */
  @media (max-width:1080px){
    .nav-main{display:none;}
    .nav-toggle{display:grid;}
    .hero-inner{grid-template-columns:1fr;gap:40px;padding:58px 0 54px;}
    .hero h1{max-width:100%;}
    .metric-grid{grid-template-columns:repeat(3,1fr);}
    .game-grid{grid-template-columns:repeat(3,1fr);}
    .grid-4{grid-template-columns:repeat(2,1fr);}
    .news-layout{grid-template-columns:1fr;}
    .cta-inner{grid-template-columns:1fr;padding:34px 26px;gap:28px;}
    .footer-grid{grid-template-columns:1fr 1fr;gap:28px;}
    .hero-data{grid-template-columns:repeat(2,auto);}
  }
  @media (max-width:768px){
    .section{padding:56px 0;}
    .grid-3{grid-template-columns:1fr;}
    .grid-2{grid-template-columns:1fr;}
    .steps{grid-template-columns:1fr;}
    .check-list{grid-template-columns:1fr;}
    .game-grid{grid-template-columns:repeat(2,1fr);}
    .metric-grid{grid-template-columns:repeat(2,1fr);}
    .btn-ghost,.btn-solid{padding:8px 13px;font-size:13px;}
    .logo-text{font-size:16.5px;}
    .fab{bottom:88px;font-size:13px;padding:10px 16px;}
  }
  @media (max-width:520px){
    .container{padding:0 16px;}
    .grid-4{grid-template-columns:1fr;}
    .game-grid{grid-template-columns:1fr;}
    .logo-text em{display:none;}
    .hero-actions{gap:10px;}
    .hero-actions .btn-solid,.hero-actions .btn-outline{width:100%;}
    .news-item{flex-direction:column;gap:12px;}
    .cta-inner{padding:26px 18px;}
    .footer-grid{grid-template-columns:1fr;}
    .fab{bottom:82px;}
  }

/* roulang page: article */
:root{
  --bg:#030712;
  --bg-2:#081229;
  --panel:rgba(13,26,54,.62);
  --panel-solid:rgba(8,18,41,.86);
  --line:rgba(56,189,248,.16);
  --line-strong:rgba(56,189,248,.42);
  --volt:#2563EB;
  --cyan:#38BDF8;
  --holo:#60A5FA;
  --ice:#94A3B8;
  --text:#F8FAFC;
  --soft:#cbd5e1;
  --ok:#5eead4;
  --warn:#fbbf24;
  --radius-lg:20px;
  --radius-md:14px;
  --radius-sm:10px;
  --maxw:1200px;
  --shadow-glow:0 24px 60px -30px rgba(37,99,235,.75);
}
*{box-sizing:border-box;}
html{scroll-behavior:smooth;-webkit-text-size-adjust:100%;}
body{
  margin:0;
  font-family:"Be Vietnam Pro",system-ui,-apple-system,"Segoe UI",Roboto,sans-serif;
  font-size:16px;
  line-height:1.65;
  color:var(--text);
  background:
    radial-gradient(1100px 640px at 10% -12%, rgba(37,99,235,.38), transparent 62%),
    radial-gradient(880px 520px at 94% 3%, rgba(56,189,248,.2), transparent 58%),
    var(--bg);
  overflow-x:hidden;
}
img{max-width:100%;display:block;height:auto;}
a{color:inherit;text-decoration:none;}
button{font:inherit;color:inherit;background:none;border:0;cursor:pointer;}
h1,h2,h3,h4{margin:0;font-weight:800;letter-spacing:-.01em;}
p{margin:0;}
a:focus-visible,button:focus-visible,input:focus-visible{outline:2px solid var(--cyan);outline-offset:3px;}
.container{width:100%;max-width:var(--maxw);margin:0 auto;padding:0 20px;}
.section{padding:76px 0;position:relative;}
.section--alt{background:linear-gradient(180deg,rgba(8,18,41,.55),rgba(3,7,18,0));border-top:1px solid rgba(56,189,248,.08);border-bottom:1px solid rgba(56,189,248,.08);}
.section-head{max-width:760px;margin-bottom:34px;}
.eyebrow{display:inline-flex;align-items:center;gap:8px;font-size:11.5px;font-weight:700;letter-spacing:.15em;text-transform:uppercase;color:var(--cyan);background:rgba(56,189,248,.09);border:1px solid rgba(56,189,248,.26);padding:7px 14px;border-radius:999px;}
.section-title{font-size:clamp(23px,3.2vw,34px);margin-top:16px;line-height:1.25;}
.section-sub{color:var(--ice);font-size:15.5px;margin-top:14px;max-width:720px;line-height:1.7;}

/* ===== Header / Nav ===== */
.site-header{position:sticky;top:0;z-index:60;background:rgba(3,7,18,.84);backdrop-filter:blur(16px);-webkit-backdrop-filter:blur(16px);border-bottom:1px solid rgba(56,189,248,.14);}
.nav-wrap{display:flex;align-items:center;gap:16px;min-height:70px;}
.logo{display:flex;align-items:center;gap:10px;flex-shrink:0;}
.logo-mark{width:38px;height:38px;border-radius:12px;display:grid;place-items:center;font-weight:800;font-size:19px;color:#04121f;background:linear-gradient(135deg,#2563EB,#38BDF8);box-shadow:0 0 20px rgba(56,189,248,.5);}
.logo-text{display:flex;flex-direction:column;gap:3px;font-weight:800;font-size:18px;line-height:1;}
.logo-text em{font-style:normal;font-size:10px;font-weight:700;letter-spacing:.16em;text-transform:uppercase;color:var(--cyan);}
.nav-main{display:flex;align-items:center;gap:4px;margin-left:auto;}
.nav-link{padding:9px 15px;border-radius:10px;font-size:14.5px;font-weight:600;color:#c3d3e8;transition:background .2s,color .2s,box-shadow .2s;white-space:nowrap;}
.nav-link:hover{color:#fff;background:rgba(56,189,248,.1);}
.nav-link.active{color:#fff;background:rgba(37,99,235,.24);box-shadow:inset 0 0 0 1px rgba(56,189,248,.32);}
.nav-actions{display:flex;align-items:center;gap:10px;flex-shrink:0;margin-left:12px;}
.btn-ghost{display:inline-flex;align-items:center;justify-content:center;padding:9px 16px;border-radius:11px;font-size:14px;font-weight:600;color:#bae6fd;border:1px solid rgba(56,189,248,.34);transition:.2s;white-space:nowrap;}
.btn-ghost:hover{background:rgba(56,189,248,.13);color:#fff;box-shadow:0 0 16px rgba(56,189,248,.28);}
.btn-solid{display:inline-flex;align-items:center;justify-content:center;gap:8px;padding:11px 20px;border-radius:12px;font-size:14.5px;font-weight:700;color:#04121f;background:linear-gradient(135deg,#2563EB 0%,#38BDF8 100%);box-shadow:0 0 22px rgba(56,189,248,.45),inset 0 1px 0 rgba(255,255,255,.4);transition:transform .2s,box-shadow .2s;white-space:nowrap;}
.btn-solid:hover{transform:translateY(-2px);box-shadow:0 0 32px rgba(56,189,248,.65),inset 0 1px 0 rgba(255,255,255,.5);}
.btn-solid:active{transform:translateY(0) scale(.98);}
.btn-outline{display:inline-flex;align-items:center;justify-content:center;gap:8px;padding:11px 20px;border-radius:12px;font-size:14.5px;font-weight:600;color:#e0f2fe;border:1px solid rgba(56,189,248,.4);background:rgba(56,189,248,.06);transition:.2s;}
.btn-outline:hover{background:rgba(56,189,248,.15);border-color:rgba(56,189,248,.72);transform:translateY(-2px);}
.btn-lg{padding:14px 26px;font-size:15.5px;border-radius:14px;}
.nav-toggle{display:none;width:42px;height:42px;border-radius:11px;border:1px solid rgba(56,189,248,.3);place-items:center;color:#bae6fd;font-size:18px;transition:.2s;}
.nav-toggle:hover{background:rgba(56,189,248,.12);}
.mobile-drawer{display:none;border-top:1px solid rgba(56,189,248,.14);background:rgba(3,7,18,.98);padding:10px 20px 20px;}
.mobile-drawer.open{display:block;}
.mobile-drawer a{display:block;padding:13px 4px;font-weight:600;font-size:15px;color:#c3d3e8;border-bottom:1px solid rgba(148,163,184,.12);}
.mobile-drawer a.active{color:var(--cyan);}

/* ===== Article hero ===== */
.art-hero{position:relative;overflow:hidden;border-bottom:1px solid rgba(56,189,248,.14);}
.art-hero-bg{position:absolute;inset:0;background:url('/assets/images/3f6a36890395a894.jpg') center/cover no-repeat;}
.art-hero-bg::after{content:"";position:absolute;inset:0;background:linear-gradient(105deg,rgba(3,7,18,.97) 8%,rgba(8,18,41,.9) 52%,rgba(3,7,18,.95) 100%);}
.art-hero-grid{position:absolute;inset:0;background-image:linear-gradient(rgba(56,189,248,.07) 1px,transparent 1px),linear-gradient(90deg,rgba(56,189,248,.07) 1px,transparent 1px);background-size:58px 58px;-webkit-mask-image:radial-gradient(circle at 68% 40%,#000 0%,transparent 74%);mask-image:radial-gradient(circle at 68% 40%,#000 0%,transparent 74%);}
.art-hero-inner{position:relative;z-index:2;padding:56px 0 60px;display:grid;grid-template-columns:1.35fr .65fr;gap:46px;align-items:start;}
.crumb{display:flex;flex-wrap:wrap;align-items:center;gap:8px;font-size:13px;color:var(--ice);}
.crumb a{color:#9fd6f5;transition:color .2s;}
.crumb a:hover{color:#fff;text-decoration:underline;}
.crumb span.sep{opacity:.5;}
.art-title{font-size:clamp(26px,3.6vw,40px);line-height:1.22;margin-top:18px;max-width:20em;}
.art-lead{color:#c7d7ef;font-size:16.5px;margin-top:18px;max-width:680px;line-height:1.72;}
.art-meta{display:flex;flex-wrap:wrap;gap:10px;margin-top:24px;}
.chip{display:inline-flex;align-items:center;gap:7px;font-size:12.5px;font-weight:600;color:#cfe6ff;background:rgba(56,189,248,.09);border:1px solid rgba(56,189,248,.25);padding:6px 13px;border-radius:999px;}
.chip--gold{color:#fde68a;background:rgba(251,191,36,.1);border-color:rgba(251,191,36,.32);}
.art-cover{margin-top:26px;border-radius:var(--radius-lg);overflow:hidden;border:1px solid var(--line);box-shadow:var(--shadow-glow);}
.art-cover img{width:100%;aspect-ratio:16/9;object-fit:cover;}
.quick-panel{background:var(--panel-solid);border:1px solid var(--line);border-radius:var(--radius-lg);padding:24px;backdrop-filter:blur(12px);box-shadow:var(--shadow-glow);}
.quick-panel h3{font-size:16px;letter-spacing:.02em;color:#e2f2ff;}
.quick-list{margin-top:16px;display:grid;gap:14px;}
.quick-item{display:flex;gap:12px;align-items:flex-start;padding-bottom:14px;border-bottom:1px dashed rgba(56,189,248,.18);}
.quick-item:last-child{border-bottom:0;padding-bottom:0;}
.quick-item i{flex:0 0 34px;height:34px;border-radius:10px;display:grid;place-items:center;font-style:normal;font-size:15px;background:rgba(37,99,235,.22);border:1px solid rgba(56,189,248,.3);color:var(--cyan);}
.quick-item b{display:block;font-size:14.5px;color:#fff;}
.quick-item p{font-size:13.5px;color:var(--ice);line-height:1.6;margin-top:3px;}

/* ===== Summary strip ===== */
.strip{display:grid;grid-template-columns:repeat(4,1fr);gap:1px;background:rgba(56,189,248,.14);border:1px solid var(--line);border-radius:var(--radius-lg);overflow:hidden;}
.strip-cell{background:rgba(5,12,28,.9);padding:24px 20px;transition:background .25s;}
.strip-cell:hover{background:rgba(12,28,58,.95);}
.strip-cell b{display:block;font-size:23px;font-weight:800;color:#fff;letter-spacing:-.02em;}
.strip-cell span{display:block;font-size:13px;color:var(--ice);margin-top:6px;line-height:1.55;}

/* ===== Article body ===== */
.art-layout{display:grid;grid-template-columns:minmax(0,1fr) 320px;gap:44px;align-items:start;}
.article-body{font-size:16.5px;line-height:1.78;color:#dae6f6;max-width:74ch;text-align:left;}
.article-body h2{font-size:clamp(21px,2.6vw,28px);line-height:1.3;margin:38px 0 14px;padding-left:16px;border-left:3px solid var(--cyan);color:#fff;}
.article-body h2:first-child{margin-top:0;}
.article-body h3{font-size:19px;margin:28px 0 10px;color:#eaf4ff;}
.article-body h4{font-size:16.5px;margin:22px 0 8px;color:#eaf4ff;}
.article-body p{margin:0 0 17px;}
.article-body ul,.article-body ol{margin:0 0 20px;padding-left:24px;}
.article-body ul{list-style:disc;}
.article-body ol{list-style:decimal;}
.article-body li{margin-bottom:9px;}
.article-body li::marker{color:var(--cyan);}
.article-body strong{color:#fff;}
.article-body a{color:var(--cyan);text-decoration:underline;text-underline-offset:3px;}
.article-body a:hover{color:#fff;}
.article-body img{border-radius:var(--radius-md);margin:22px 0;border:1px solid var(--line);}
.article-body blockquote{margin:24px 0;padding:18px 22px;border-left:3px solid var(--cyan);background:rgba(56,189,248,.07);border-radius:0 var(--radius-md) var(--radius-md) 0;color:#e2f2ff;}
.article-body table{width:100%;border-collapse:collapse;margin:22px 0;font-size:15px;border:1px solid var(--line);border-radius:var(--radius-md);overflow:hidden;}
.article-body th,.article-body td{padding:12px 14px;border-bottom:1px solid rgba(56,189,248,.14);text-align:left;}
.article-body th{background:rgba(37,99,235,.18);color:#fff;font-weight:700;}
.article-body hr{border:0;border-top:1px solid var(--line);margin:32px 0;}
.side-box{background:var(--panel);border:1px solid var(--line);border-radius:var(--radius-lg);padding:22px;backdrop-filter:blur(10px);}
.side-box + .side-box{margin-top:20px;}
.side-box h3{font-size:15.5px;color:#fff;}
.side-box p{font-size:13.8px;color:var(--ice);margin-top:10px;line-height:1.65;}
.side-list{margin-top:14px;display:grid;gap:10px;}
.side-list li{display:flex;gap:10px;font-size:14px;color:#d6e4f5;}
.side-list li::before{content:"›";color:var(--cyan);font-weight:800;}

/* ===== Inline CTA ===== */
.inline-cta{display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:20px;margin:34px 0;padding:26px 28px;border-radius:var(--radius-lg);background:linear-gradient(120deg,rgba(37,99,235,.3),rgba(56,189,248,.14));border:1px solid var(--line-strong);box-shadow:var(--shadow-glow);}
.inline-cta h3{font-size:19px;color:#fff;}
.inline-cta p{font-size:14.5px;color:#cfe0f3;margin-top:6px;max-width:560px;}

/* ===== Key points ===== */
.kp-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:20px;}
.kp-card{background:var(--panel);border:1px solid var(--line);border-radius:var(--radius-lg);padding:24px;transition:transform .25s,border-color .25s,box-shadow .25s;}
.kp-card:hover{transform:translateY(-4px);border-color:var(--line-strong);box-shadow:0 18px 44px -26px rgba(56,189,248,.6);}
.kp-card i{display:grid;place-items:center;width:42px;height:42px;border-radius:12px;font-style:normal;font-size:18px;background:rgba(37,99,235,.22);border:1px solid rgba(56,189,248,.3);color:var(--cyan);}
.kp-card h3{font-size:17px;margin-top:16px;color:#fff;}
.kp-card p{font-size:14.5px;color:var(--ice);margin-top:10px;line-height:1.7;}

/* ===== Payment ===== */
.pay-grid{display:grid;grid-template-columns:1.1fr .9fr;gap:36px;align-items:center;}
.pay-list{display:grid;gap:14px;}
.pay-row{display:flex;align-items:center;justify-content:space-between;gap:18px;padding:16px 20px;border-radius:var(--radius-md);background:rgba(8,18,41,.8);border:1px solid var(--line);transition:border-color .2s,transform .2s;}
.pay-row:hover{border-color:var(--line-strong);transform:translateX(4px);}
.pay-row b{font-size:15.5px;color:#fff;}
.pay-row span{font-size:13.5px;color:var(--ice);display:block;margin-top:4px;}
.pay-tag{font-size:12px;font-weight:700;color:#04121f;background:linear-gradient(135deg,#38BDF8,#5eead4);padding:6px 12px;border-radius:999px;white-space:nowrap;}
.pay-visual{border-radius:var(--radius-lg);overflow:hidden;border:1px solid var(--line);box-shadow:var(--shadow-glow);}
.pay-visual img{width:100%;aspect-ratio:4/3;object-fit:cover;transition:transform .5s;}
.pay-visual:hover img{transform:scale(1.05);}

/* ===== Channel matrix ===== */
.chan-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:22px;}
.chan-card{position:relative;display:flex;flex-direction:column;justify-content:space-between;min-height:250px;padding:26px;border-radius:var(--radius-lg);background:
  linear-gradient(160deg,rgba(13,26,54,.92),rgba(5,12,28,.94));
  border:1px solid var(--line);overflow:hidden;transition:transform .25s,border-color .25s,box-shadow .25s;}
.chan-card::after{content:"";position:absolute;right:-40px;top:-40px;width:150px;height:150px;border-radius:50%;background:radial-gradient(circle,rgba(56,189,248,.24),transparent 68%);}
.chan-card:hover{transform:translateY(-5px);border-color:var(--line-strong);box-shadow:0 22px 52px -30px rgba(56,189,248,.8);}
.chan-card h3{font-size:19px;color:#fff;position:relative;z-index:2;}
.chan-card p{font-size:14.3px;color:var(--ice);margin-top:12px;line-height:1.68;position:relative;z-index:2;}
.chan-more{display:inline-flex;align-items:center;gap:8px;margin-top:22px;font-size:14px;font-weight:700;color:var(--cyan);position:relative;z-index:2;}
.chan-card:hover .chan-more{color:#fff;}

/* ===== FAQ ===== */
.faq-list{max-width:900px;display:grid;gap:12px;}
.faq-item{border:1px solid var(--line);border-radius:var(--radius-md);background:rgba(8,18,41,.72);overflow:hidden;transition:border-color .2s;}
.faq-item[open]{border-color:var(--line-strong);}
.faq-item summary{cursor:pointer;list-style:none;padding:18px 22px;font-size:15.8px;font-weight:700;color:#eef6ff;display:flex;justify-content:space-between;gap:16px;align-items:center;}
.faq-item summary::-webkit-details-marker{display:none;}
.faq-item summary::after{content:"+";font-size:20px;font-weight:700;color:var(--cyan);transition:transform .25s;}
.faq-item[open] summary::after{transform:rotate(45deg);}
.faq-item p{padding:0 22px 20px;font-size:14.8px;color:var(--ice);line-height:1.72;}

/* ===== Convert form ===== */
.convert{background:linear-gradient(130deg,rgba(37,99,235,.24),rgba(3,7,18,.96) 62%),url('/assets/images/7bc67876ca324365.jpg') center/cover no-repeat;border:1px solid var(--line-strong);border-radius:24px;padding:46px;display:grid;grid-template-columns:1fr 1fr;gap:40px;align-items:center;box-shadow:var(--shadow-glow);}
.convert h2{font-size:clamp(23px,3vw,32px);color:#fff;line-height:1.28;}
.convert p{color:#cfe0f3;font-size:15.3px;margin-top:14px;line-height:1.72;}
.convert-stats{display:flex;flex-wrap:wrap;gap:26px;margin-top:24px;}
.convert-stats b{display:block;font-size:20px;color:#fff;}
.convert-stats span{font-size:12.6px;color:var(--ice);}
.form-card{background:rgba(4,10,24,.86);border:1px solid var(--line);border-radius:var(--radius-lg);padding:26px;backdrop-filter:blur(10px);}
.form-card h3{font-size:17px;color:#fff;}
.form-card p{font-size:13.8px;color:var(--ice);margin-top:8px;}
.form-grid{display:grid;gap:13px;margin-top:18px;}
.form-grid input{width:100%;padding:13px 15px;border-radius:12px;background:rgba(3,7,18,.9);border:1px solid rgba(56,189,248,.24);color:#fff;font-size:14.6px;transition:border-color .2s,box-shadow .2s;}
.form-grid input::placeholder{color:#7f96b3;}
.form-grid input:focus{border-color:var(--cyan);box-shadow:0 0 0 3px rgba(56,189,248,.16);outline:none;}
.form-grid button{width:100%;justify-content:center;}
.form-note{font-size:12.4px;color:#7f96b3;margin-top:12px;}

/* ===== Footer ===== */
.site-footer{background:linear-gradient(180deg,rgba(3,7,18,.4),#030712);border-top:1px solid rgba(56,189,248,.16);padding:60px 0 26px;margin-top:20px;}
.footer-top{display:grid;grid-template-columns:1.6fr 1fr 1fr 1fr;gap:36px;}
.footer-logo{display:block;font-size:17.5px;font-weight:800;color:#fff;line-height:1.4;}
.footer-brand p{color:var(--ice);font-size:14px;margin-top:14px;line-height:1.72;max-width:420px;}
.footer-pay{display:flex;flex-wrap:wrap;gap:9px;margin-top:18px;}
.footer-pay span{font-size:12.4px;font-weight:600;color:#bae6fd;border:1px solid rgba(56,189,248,.28);background:rgba(56,189,248,.07);padding:6px 12px;border-radius:999px;}
.footer-col h4{font-size:14px;color:#fff;letter-spacing:.03em;margin-bottom:14px;}
.footer-col ul{display:grid;gap:10px;}
.footer-col a{font-size:14px;color:var(--ice);transition:color .2s,padding-left .2s;}
.footer-col a:hover{color:var(--cyan);padding-left:4px;}
.footer-bottom{display:flex;flex-wrap:wrap;justify-content:space-between;gap:12px;margin-top:44px;padding-top:22px;border-top:1px solid rgba(56,189,248,.14);}
.footer-bottom p{font-size:13px;color:#8ca0b8;}
.footer-note{max-width:560px;}

/* ===== FAB ===== */
.fab{position:fixed;left:16px;bottom:96px;z-index:50;display:inline-flex;align-items:center;gap:10px;padding:12px 18px;border-radius:999px;background:rgba(7,7,13,.82);backdrop-filter:blur(14px);border:1px solid transparent;background-image:linear-gradient(rgba(7,7,13,.9),rgba(7,7,13,.9)),linear-gradient(135deg,#A3E635,#06B6D4);background-origin:border-box;background-clip:padding-box,border-box;color:#e8f7ff;font-size:13.4px;font-weight:700;box-shadow:0 0 22px rgba(6,182,212,.45);transition:transform .22s,box-shadow .22s,opacity .22s;opacity:.85;}
.fab:hover{transform:scale(1.05);opacity:1;box-shadow:0 0 34px rgba(6,182,212,.7);}
.fab:active{transform:scale(.96);}
.fab i{font-style:normal;font-size:16px;display:grid;place-items:center;width:24px;height:24px;border-radius:50%;background:rgba(163,230,53,.16);color:#A3E635;animation:fabPulse 2.4s ease-in-out infinite;}
.fab .dot{position:absolute;top:-2px;right:-2px;width:11px;height:11px;border-radius:50%;background:#f43f5e;box-shadow:0 0 10px rgba(244,63,94,.9);animation:dotPulse 1.4s infinite;}
@keyframes fabPulse{0%,100%{color:#A3E635;}50%{color:#06B6D4;}}
@keyframes dotPulse{0%,100%{opacity:1;}50%{opacity:.35;}}

/* ===== Not found ===== */
.notfound{max-width:720px;padding:34px;border:1px solid var(--line);border-radius:var(--radius-lg);background:var(--panel);}
.notfound h2{font-size:24px;}
.notfound p{color:var(--ice);margin-top:12px;}

/* ===== Responsive ===== */
@media (max-width:1080px){
  .art-hero-inner{grid-template-columns:1fr;gap:32px;padding:44px 0 52px;}
  .art-layout{grid-template-columns:1fr;gap:32px;}
  .strip{grid-template-columns:repeat(2,1fr);}
  .kp-grid{grid-template-columns:repeat(2,1fr);}
  .chan-grid{grid-template-columns:1fr;}
  .pay-grid{grid-template-columns:1fr;}
  .convert{grid-template-columns:1fr;padding:34px;}
  .footer-top{grid-template-columns:1fr 1fr;gap:30px;}
}
@media (max-width:1024px){
  .nav-main{display:none;}
  .nav-toggle{display:grid;}
}
@media (max-width:768px){
  .section{padding:56px 0;}
  .art-hero-inner{padding:34px 0 44px;}
  .article-body{font-size:16px;}
  .kp-grid{grid-template-columns:1fr;}
  .inline-cta{padding:22px;}
  .convert{padding:26px;border-radius:20px;}
  .footer-top{grid-template-columns:1fr;gap:26px;}
  .footer-bottom{flex-direction:column;}
  .logo-text{font-size:15.5px;}
  .logo-text em{font-size:9px;}
}
@media (max-width:520px){
  .container{padding:0 16px;}
  .strip{grid-template-columns:1fr;}
  .art-title{font-size:24px;}
  .btn-ghost{padding:8px 12px;font-size:13px;}
  .btn-solid{padding:9px 14px;font-size:13px;}
  .fab{left:14px;bottom:84px;padding:11px 15px;font-size:12.4px;}
  .convert-stats{gap:18px;}
}

/* roulang page: category1 */
:root{
  --bg:#030712;
  --bg-2:#081229;
  --panel:rgba(13,26,54,.62);
  --panel-solid:rgba(8,18,41,.86);
  --line:rgba(56,189,248,.16);
  --line-strong:rgba(56,189,248,.42);
  --volt:#2563EB;
  --cyan:#38BDF8;
  --holo:#60A5FA;
  --ice:#94A3B8;
  --text:#F8FAFC;
  --soft:#cbd5e1;
  --ok:#5eead4;
  --warn:#fbbf24;
  --radius-lg:20px;
  --radius-md:14px;
  --radius-sm:10px;
  --maxw:1200px;
  --shadow-glow:0 24px 60px -30px rgba(37,99,235,.75);
}
*,*::before,*::after{box-sizing:border-box;}
html{scroll-behavior:smooth;-webkit-text-size-adjust:100%;}
body{
  margin:0;
  font-family:"Be Vietnam Pro",system-ui,-apple-system,"Segoe UI",Roboto,sans-serif;
  font-size:16px;
  line-height:1.65;
  color:var(--text);
  background:
    radial-gradient(1100px 640px at 10% -12%, rgba(37,99,235,.38), transparent 62%),
    radial-gradient(880px 520px at 94% 3%, rgba(56,189,248,.2), transparent 58%),
    var(--bg);
  overflow-x:hidden;
}
img{max-width:100%;display:block;height:auto;}
a{color:inherit;text-decoration:none;}
ul{margin:0;padding:0;list-style:none;}
button{font:inherit;color:inherit;background:none;border:0;cursor:pointer;}
h1,h2,h3,h4,p{margin:0;}
:focus-visible{outline:2px solid var(--cyan);outline-offset:3px;border-radius:6px;}
.container{width:100%;max-width:var(--maxw);margin:0 auto;padding:0 20px;}
.section{padding:76px 0;position:relative;}
.section--alt{background:linear-gradient(180deg,rgba(8,18,41,.55),rgba(3,7,18,0));border-top:1px solid rgba(56,189,248,.08);border-bottom:1px solid rgba(56,189,248,.08);}
.section-head{max-width:790px;margin-bottom:38px;}
.section-head--center{max-width:830px;margin-left:auto;margin-right:auto;text-align:center;}
.eyebrow{display:inline-flex;align-items:center;gap:8px;font-size:11.5px;font-weight:700;letter-spacing:.15em;text-transform:uppercase;color:var(--cyan);background:rgba(56,189,248,.09);border:1px solid rgba(56,189,248,.26);padding:7px 14px;border-radius:999px;}
.section-title{font-size:clamp(23px,3.2vw,36px);font-weight:800;line-height:1.25;margin-top:16px;}
.section-sub{color:var(--ice);font-size:15.5px;margin-top:14px;max-width:730px;line-height:1.7;}
.section-head--center .section-sub{margin-left:auto;margin-right:auto;}

/* ===== Header / Nav ===== */
.site-header{position:sticky;top:0;z-index:60;background:rgba(3,7,18,.84);backdrop-filter:blur(16px);-webkit-backdrop-filter:blur(16px);border-bottom:1px solid rgba(56,189,248,.14);}
.nav-wrap{display:flex;align-items:center;gap:16px;min-height:70px;}
.logo{display:flex;align-items:center;gap:10px;flex-shrink:0;}
.logo-mark{width:38px;height:38px;border-radius:12px;display:grid;place-items:center;font-weight:800;font-size:19px;color:#04121f;background:linear-gradient(135deg,#2563EB,#38BDF8);box-shadow:0 0 20px rgba(56,189,248,.5);}
.logo-text{display:flex;flex-direction:column;gap:3px;font-weight:800;font-size:18px;line-height:1;color:#fff;}
.logo-text em{font-style:normal;font-size:10px;font-weight:700;letter-spacing:.16em;text-transform:uppercase;color:var(--cyan);}
.nav-main{display:flex;align-items:center;gap:4px;margin-left:auto;}
.nav-link{padding:9px 15px;border-radius:10px;font-size:14.5px;font-weight:600;color:#c3d3e8;transition:background .2s,color .2s,box-shadow .2s;white-space:nowrap;}
.nav-link:hover{color:#fff;background:rgba(56,189,248,.1);}
.nav-link.active{color:#fff;background:rgba(37,99,235,.24);box-shadow:inset 0 0 0 1px rgba(56,189,248,.32);}
.nav-actions{display:flex;align-items:center;gap:10px;flex-shrink:0;}
.btn-ghost{display:inline-flex;align-items:center;justify-content:center;padding:9px 16px;border-radius:11px;font-size:14px;font-weight:600;color:#bae6fd;border:1px solid rgba(56,189,248,.34);transition:.2s;background:transparent;}
.btn-ghost:hover{background:rgba(56,189,248,.13);color:#fff;box-shadow:0 0 16px rgba(56,189,248,.28);}
.btn-solid{display:inline-flex;align-items:center;justify-content:center;gap:8px;padding:11px 20px;border-radius:12px;font-size:14.5px;font-weight:700;color:#04121f;background:linear-gradient(135deg,#2563EB 0%,#38BDF8 100%);box-shadow:0 0 22px rgba(56,189,248,.45),inset 0 1px 0 rgba(255,255,255,.4);transition:transform .2s,box-shadow .2s;white-space:nowrap;}
.btn-solid:hover{transform:translateY(-2px);box-shadow:0 0 32px rgba(56,189,248,.65),inset 0 1px 0 rgba(255,255,255,.5);}
.btn-solid:active{transform:translateY(0) scale(.98);}
.btn-outline{display:inline-flex;align-items:center;justify-content:center;gap:8px;padding:11px 20px;border-radius:12px;font-size:14.5px;font-weight:600;color:#e0f2fe;border:1px solid rgba(56,189,248,.4);background:rgba(56,189,248,.06);transition:.2s;}
.btn-outline:hover{background:rgba(56,189,248,.15);border-color:rgba(56,189,248,.72);transform:translateY(-2px);}
.btn-lg{padding:14px 26px;font-size:15.5px;border-radius:14px;}
.nav-toggle{display:none;width:42px;height:42px;border-radius:11px;border:1px solid rgba(56,189,248,.3);place-items:center;color:#bae6fd;transition:.2s;}
.nav-toggle:hover{background:rgba(56,189,248,.12);}
.mobile-drawer{display:none;border-top:1px solid rgba(56,189,248,.14);background:rgba(3,7,18,.98);padding:10px 20px 20px;}
.mobile-drawer.open{display:block;}
.mobile-drawer a{display:block;padding:13px 4px;font-weight:600;font-size:15px;color:#c3d3e8;border-bottom:1px solid rgba(148,163,184,.12);}
.mobile-drawer a.active{color:var(--cyan);}
.mobile-drawer .drawer-cta{margin-top:16px;display:block;text-align:center;border:0;}

/* ===== Hero ===== */
.hero{position:relative;overflow:hidden;border-bottom:1px solid rgba(56,189,248,.14);}
.hero-bg{position:absolute;inset:0;background:url('/assets/images/d40a0df19be07a3f.jpg') center/cover no-repeat;}
.hero-bg::after{content:"";position:absolute;inset:0;background:linear-gradient(100deg,rgba(3,7,18,.97) 6%,rgba(8,18,41,.88) 48%,rgba(3,7,18,.96) 100%);}
.hero-lines{position:absolute;inset:0;background-image:linear-gradient(rgba(56,189,248,.07) 1px,transparent 1px),linear-gradient(90deg,rgba(56,189,248,.07) 1px,transparent 1px);background-size:58px 58px;-webkit-mask-image:radial-gradient(circle at 62% 42%,#000 0%,transparent 76%);mask-image:radial-gradient(circle at 62% 42%,#000 0%,transparent 76%);}
.hero-inner{position:relative;z-index:2;display:grid;grid-template-columns:1.1fr .9fr;gap:50px;align-items:center;padding:80px 0 72px;}
.hero h1{font-size:clamp(26px,3.8vw,43px);font-weight:800;line-height:1.2;margin-top:20px;max-width:16.5em;letter-spacing:-.01em;}
.hero-lead{color:#c7d7ef;font-size:16.5px;margin-top:20px;max-width:620px;line-height:1.7;}
.hero-badges{display:flex;flex-wrap:wrap;gap:9px;margin-top:24px;}
.hero-badges li{font-size:12.5px;font-weight:600;color:#bae6fd;padding:7px 13px;border-radius:999px;border:1px solid rgba(56,189,248,.28);background:rgba(56,189,248,.08);}
.hero-actions{display:flex;flex-wrap:wrap;gap:14px;margin-top:30px;}
.hero-note{font-size:13px;color:#8296b0;margin-top:16px;}

/* Hero panel */
.panel-glass{position:relative;background:linear-gradient(180deg,rgba(13,26,54,.88),rgba(8,18,41,.74));border:1px solid var(--line);border-radius:var(--radius-lg);padding:28px;backdrop-filter:blur(14px);-webkit-backdrop-filter:blur(14px);box-shadow:0 34px 74px -42px rgba(37,99,235,.95);}
.panel-glass::before{content:"";position:absolute;top:0;left:22px;right:22px;height:2px;border-radius:2px;background:linear-gradient(90deg,transparent,#38BDF8,transparent);opacity:.75;}
.panel-tag{display:inline-block;font-size:11px;font-weight:700;letter-spacing:.14em;text-transform:uppercase;color:var(--cyan);background:rgba(56,189,248,.1);border:1px solid rgba(56,189,248,.28);padding:6px 12px;border-radius:999px;}
.panel-title{font-size:20px;font-weight:700;margin-top:16px;line-height:1.4;}
.panel-list{display:grid;gap:14px;margin-top:20px;}
.panel-list li{display:flex;gap:12px;align-items:flex-start;font-size:14.5px;color:var(--soft);line-height:1.6;}
.panel-list .tick{flex:0 0 22px;width:22px;height:22px;border-radius:50%;display:grid;place-items:center;font-size:12px;font-weight:800;color:#04121f;background:linear-gradient(135deg,#38BDF8,#5eead4);margin-top:2px;}
.panel-btn{width:100%;margin-top:24px;}
.panel-note{font-size:12.5px;color:#8296b0;margin-top:14px;line-height:1.6;}

/* ===== Metric bar ===== */
.metric-bar{display:grid;grid-template-columns:repeat(4,1fr);gap:1px;background:var(--line);border:1px solid var(--line);border-radius:var(--radius-lg);overflow:hidden;}
.metric{background:rgba(8,18,41,.74);padding:28px 24px;}
.metric b{display:block;font-size:clamp(23px,3vw,33px);font-weight:800;line-height:1.15;background:linear-gradient(135deg,#ffffff,#38BDF8);-webkit-background-clip:text;background-clip:text;color:transparent;}
.metric span{display:block;margin-top:9px;color:var(--ice);font-size:13.5px;line-height:1.6;}

/* ===== Cards ===== */
.glass-card{background:linear-gradient(180deg,rgba(13,26,54,.72),rgba(8,18,41,.55));border:1px solid var(--line);border-radius:var(--radius-md);padding:26px 24px;transition:transform .25s,border-color .25s,box-shadow .25s;}
.glass-card:hover{transform:translateY(-4px);border-color:var(--line-strong);box-shadow:0 24px 48px -32px rgba(56,189,248,.9);}
.benefit-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:20px;}
.card-icon{width:46px;height:46px;border-radius:13px;display:grid;place-items:center;font-size:20px;background:rgba(56,189,248,.12);border:1px solid rgba(56,189,248,.3);margin-bottom:18px;}
.card-title{font-size:17px;font-weight:700;line-height:1.4;}
.card-text{color:var(--ice);font-size:14.5px;margin-top:10px;line-height:1.68;}
.card-value{display:inline-block;margin-top:16px;font-size:13px;font-weight:700;color:#04121f;background:linear-gradient(135deg,#38BDF8,#5eead4);padding:6px 14px;border-radius:999px;}

/* ===== Compare ===== */
.compare{display:grid;grid-template-columns:1fr 1fr;gap:22px;}
.compare-col{border-radius:var(--radius-lg);padding:30px 28px;border:1px solid var(--line);background:rgba(8,18,41,.6);}
.compare-col--on{border-color:var(--line-strong);background:linear-gradient(180deg,rgba(37,99,235,.26),rgba(8,18,41,.76));box-shadow:var(--shadow-glow);position:relative;}
.compare-col h3{font-size:19px;font-weight:700;line-height:1.4;}
.compare-tag{display:inline-block;font-size:11px;font-weight:700;letter-spacing:.12em;text-transform:uppercase;color:#04121f;background:linear-gradient(135deg,#5eead4,#38BDF8);padding:5px 12px;border-radius:999px;margin-bottom:14px;}
.compare-list{display:grid;gap:14px;margin-top:22px;}
.compare-list li{display:flex;gap:12px;font-size:14.5px;line-height:1.65;color:var(--soft);}
.compare-list .mark{flex:0 0 20px;font-weight:800;line-height:1.65;}
.compare-col--off .mark{color:#f87171;}
.compare-col--on .mark{color:var(--ok);}

/* ===== Timeline ===== */
.timeline{display:grid;grid-template-columns:repeat(4,1fr);gap:22px;}
.tl-step{position:relative;padding-top:2px;}
.tl-num{width:52px;height:52px;border-radius:50%;display:grid;place-items:center;font-weight:800;font-size:18px;color:#04121f;background:linear-gradient(135deg,#2563EB,#38BDF8);box-shadow:0 0 22px rgba(56,189,248,.5);margin-bottom:18px;}
.tl-step h3{font-size:16.5px;font-weight:700;line-height:1.4;}
.tl-step p{color:var(--ice);font-size:14.5px;margin-top:10px;line-height:1.68;}

/* ===== Split / Trust ===== */
.split{display:grid;grid-template-columns:.95fr 1.05fr;gap:46px;align-items:center;}
.split-media{position:relative;border-radius:var(--radius-lg);overflow:hidden;border:1px solid var(--line);box-shadow:0 34px 70px -40px rgba(37,99,235,.9);}
.split-media img{width:100%;height:100%;object-fit:cover;aspect-ratio:4/3;}
.split-media::after{content:"";position:absolute;inset:0;background:linear-gradient(180deg,rgba(3,7,18,.12),rgba(3,7,18,.6));}
.trust-list{display:grid;gap:18px;margin-top:26px;}
.trust-item{display:flex;gap:14px;align-items:flex-start;padding:18px 20px;border-radius:var(--radius-md);border:1px solid var(--line);background:rgba(8,18,41,.55);transition:.25s;}
.trust-item:hover{border-color:var(--line-strong);background:rgba(13,26,54,.7);}
.trust-ico{flex:0 0 40px;width:40px;height:40px;border-radius:12px;display:grid;place-items:center;font-size:18px;background:rgba(56,189,248,.12);border:1px solid rgba(56,189,248,.28);}
.trust-item h3{font-size:15.5px;font-weight:700;}
.trust-item p{color:var(--ice);font-size:14px;margin-top:6px;line-height:1.65;}

/* ===== Category grid ===== */
.cat-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:20px;}
.cat-card{display:block;padding:26px 24px;border-radius:var(--radius-md);border:1px solid var(--line);background:linear-gradient(180deg,rgba(13,26,54,.7),rgba(8,18,41,.5));transition:transform .25s,border-color .25s,box-shadow .25s;}
.cat-card:hover{transform:translateY(-4px);border-color:var(--line-strong);box-shadow:0 24px 48px -32px rgba(56,189,248,.9);}
.cat-card span.cat-kicker{font-size:11.5px;font-weight:700;letter-spacing:.14em;text-transform:uppercase;color:var(--cyan);}
.cat-card h3{font-size:17.5px;font-weight:700;margin-top:12px;}
.cat-card p{color:var(--ice);font-size:14.5px;margin-top:10px;line-height:1.68;}
.cat-card.is-current{border-color:var(--line-strong);box-shadow:inset 0 0 0 1px rgba(56,189,248,.28);}

/* ===== FAQ ===== */
.faq-wrap{max-width:900px;}
.faq-item{border:1px solid var(--line);border-radius:var(--radius-md);background:rgba(8,18,41,.6);margin-bottom:12px;overflow:hidden;transition:border-color .2s;}
.faq-item:hover{border-color:rgba(56,189,248,.3);}
.faq-item summary{cursor:pointer;list-style:none;padding:18px 22px;font-weight:600;font-size:15.5px;display:flex;justify-content:space-between;gap:16px;align-items:center;line-height:1.5;}
.faq-item summary::-webkit-details-marker{display:none;}
.faq-item summary::after{content:"+";font-size:20px;font-weight:700;color:var(--cyan);transition:transform .25s;flex-shrink:0;}
.faq-item[open] summary::after{transform:rotate(45deg);}
.faq-item p{padding:0 22px 20px;color:var(--ice);font-size:14.5px;line-height:1.7;}

/* ===== Form ===== */
.form-panel{background:linear-gradient(180deg,rgba(13,26,54,.82),rgba(8,18,41,.68));border:1px solid var(--line);border-radius:var(--radius-lg);padding:34px;box-shadow:0 34px 74px -44px rgba(37,99,235,.9);}
.form-grid{display:grid;grid-template-columns:1fr 1fr;gap:16px;margin-top:26px;}
.field{display:grid;gap:8px;}
.field label{font-size:13px;font-weight:600;color:#cbd5e1;}
.field input,.field select{width:100%;padding:13px 15px;border-radius:12px;border:1px solid rgba(56,189,248,.24);background:rgba(3,7,18,.78);color:#fff;font-size:15px;font-family:inherit;outline:none;transition:.2s;}
.field input::placeholder{color:#64748b;}
.field input:focus,.field select:focus{border-color:var(--cyan);box-shadow:0 0 0 3px rgba(56,189,248,.18);}
.form-actions{display:flex;flex-wrap:wrap;gap:16px;align-items:center;margin-top:26px;}
.form-note{font-size:12.5px;color:#8296b0;line-height:1.6;max-width:330px;}

/* ===== FAB ===== */
.fab{position:fixed;left:16px;bottom:96px;z-index:50;display:inline-flex;align-items:center;gap:8px;padding:12px 18px;min-height:56px;border-radius:999px;background:rgba(7,7,13,.86);backdrop-filter:blur(16px);-webkit-backdrop-filter:blur(16px);border:1px solid rgba(56,189,248,.55);font-weight:700;font-size:14px;color:#e0f2fe;opacity:.8;transition:transform .25s,box-shadow .25s,opacity .25s;animation:fabPulse 3s ease-in-out infinite;}
.fab:hover{opacity:1;transform:scale(1.06);box-shadow:0 0 34px rgba(56,189,248,.75);}
.fab:active{transform:scale(.95);}
.fab-ico{font-size:18px;display:inline-block;transition:transform .35s;}
.fab:hover .fab-ico{transform:rotate(360deg);}
.fab-dot{position:absolute;top:-3px;right:-3px;width:12px;height:12px;border-radius:50%;background:#f43f5e;box-shadow:0 0 10px rgba(244,63,94,.9);}
@keyframes fabPulse{0%,100%{box-shadow:0 0 20px rgba(56,189,248,.35),inset 0 0 16px rgba(37,99,235,.2);}50%{box-shadow:0 0 32px rgba(56,189,248,.6),inset 0 0 22px rgba(37,99,235,.35);}}

/* ===== Footer ===== */
.site-footer{border-top:1px solid rgba(56,189,248,.14);background:linear-gradient(180deg,rgba(8,18,41,.7),rgba(3,7,18,.97));padding:60px 0 28px;}
.footer-top{display:grid;grid-template-columns:1.6fr 1fr 1fr 1fr;gap:36px;}
.footer-logo{display:block;font-size:17px;font-weight:800;color:#fff;line-height:1.4;margin-bottom:14px;}
.footer-brand p{color:var(--ice);font-size:14px;line-height:1.7;max-width:400px;}
.footer-pay{display:flex;flex-wrap:wrap;gap:8px;margin-top:18px;}
.footer-pay span{font-size:12px;font-weight:600;padding:6px 12px;border-radius:999px;border:1px solid rgba(56,189,248,.3);color:#bae6fd;background:rgba(56,189,248,.07);}
.footer-col h4{font-size:12.5px;font-weight:700;text-transform:uppercase;letter-spacing:.13em;color:#fff;margin-bottom:16px;}
.footer-col ul{display:grid;gap:11px;}
.footer-col a{font-size:14px;color:var(--ice);transition:.2s;}
.footer-col a:hover{color:var(--cyan);}
.footer-bottom{margin-top:44px;padding-top:22px;border-top:1px solid rgba(148,163,184,.14);display:flex;flex-wrap:wrap;gap:10px;justify-content:space-between;align-items:flex-start;}
.footer-bottom p{font-size:13px;color:#8296b0;line-height:1.65;}
.footer-note{max-width:520px;}

/* ===== Responsive ===== */
@media (max-width:1024px){
  .hero-inner{grid-template-columns:1fr;gap:36px;padding:64px 0 58px;}
  .hero h1{max-width:100%;}
  .benefit-grid{grid-template-columns:repeat(2,1fr);}
  .timeline{grid-template-columns:repeat(2,1fr);gap:28px;}
  .metric-bar{grid-template-columns:repeat(2,1fr);}
  .split{grid-template-columns:1fr;gap:32px;}
  .footer-top{grid-template-columns:1fr 1fr;gap:30px;}
  .nav-main{display:none;}
  .nav-toggle{display:grid;margin-left:auto;}
  .nav-actions .btn-ghost{display:inline-flex;}
}
@media (max-width:768px){
  .section{padding:58px 0;}
  .cat-grid{grid-template-columns:1fr;}
  .compare{grid-template-columns:1fr;}
  .form-grid{grid-template-columns:1fr;}
  .form-panel{padding:26px 22px;}
  .footer-top{grid-template-columns:1fr;}
  .nav-actions .btn-ghost{display:none;}
}
@media (max-width:520px){
  .container{padding:0 16px;}
  .benefit-grid{grid-template-columns:1fr;}
  .timeline{grid-template-columns:1fr;}
  .metric-bar{grid-template-columns:1fr;}
  .hero-actions{flex-direction:column;align-items:stretch;}
  .hero-actions .btn-solid,.hero-actions .btn-outline{width:100%;}
  .logo-text{font-size:15.5px;}
  .logo-text em{font-size:9px;letter-spacing:.1em;}
  .fab{bottom:84px;left:12px;padding:10px 14px;font-size:13px;min-height:52px;}
  .footer-bottom{flex-direction:column;}
}

/* roulang page: category2 */
:root{
  --bg:#030712;
  --bg-2:#081229;
  --panel:rgba(13,26,54,.62);
  --panel-solid:rgba(8,18,41,.86);
  --line:rgba(56,189,248,.16);
  --line-strong:rgba(56,189,248,.42);
  --volt:#2563EB;
  --cyan:#38BDF8;
  --holo:#60A5FA;
  --ice:#94A3B8;
  --text:#F8FAFC;
  --soft:#cbd5e1;
  --ok:#5eead4;
  --warn:#fbbf24;
  --radius-lg:20px;
  --radius-md:14px;
  --radius-sm:10px;
  --maxw:1200px;
  --shadow-glow:0 24px 60px -30px rgba(37,99,235,.75);
}
*,*::before,*::after{box-sizing:border-box;}
html{scroll-behavior:smooth;-webkit-text-size-adjust:100%;}
html body{
  margin:0;
  font-family:"Be Vietnam Pro",system-ui,-apple-system,"Segoe UI",Roboto,sans-serif;
  font-size:16px;
  line-height:1.65;
  color:var(--text);
  background:
    radial-gradient(1100px 640px at 10% -12%, rgba(37,99,235,.38), transparent 62%),
    radial-gradient(880px 520px at 94% 3%, rgba(56,189,248,.2), transparent 58%),
    var(--bg);
  overflow-x:hidden;
}
img{max-width:100%;display:block;height:auto;}
a{color:inherit;text-decoration:none;}
button{font:inherit;color:inherit;background:none;border:0;cursor:pointer;}
ul,ol{margin:0;padding:0;list-style:none;}
h1,h2,h3,h4{margin:0;line-height:1.25;}
p{margin:0;}
:focus-visible{outline:2px solid var(--cyan);outline-offset:3px;border-radius:8px;}
.container{width:100%;max-width:var(--maxw);margin:0 auto;padding:0 20px;}
.section{padding:76px 0;position:relative;}
.section--alt{background:linear-gradient(180deg,rgba(8,18,41,.55),rgba(3,7,18,0));border-top:1px solid rgba(56,189,248,.08);border-bottom:1px solid rgba(56,189,248,.08);}
.section-head{max-width:800px;margin-bottom:36px;}
.eyebrow{display:inline-flex;align-items:center;gap:8px;font-size:11.5px;font-weight:700;letter-spacing:.15em;text-transform:uppercase;color:var(--cyan);background:rgba(56,189,248,.09);border:1px solid rgba(56,189,248,.26);padding:7px 14px;border-radius:999px;}
.section-title{font-size:clamp(23px,3.2vw,34px);margin-top:16px;}
.section-sub{color:var(--ice);font-size:15.5px;margin-top:14px;max-width:720px;line-height:1.7;}
.glass{background:var(--panel);backdrop-filter:blur(14px);-webkit-backdrop-filter:blur(14px);border:1px solid var(--line);border-radius:var(--radius-lg);}
.divider{height:1px;background:linear-gradient(90deg,transparent,rgba(56,189,248,.34),transparent);margin:44px 0;}

/* ===== Buttons ===== */
.btn-solid{display:inline-flex;align-items:center;justify-content:center;gap:8px;padding:11px 20px;border-radius:12px;font-size:14.5px;font-weight:700;color:#04121f;background:linear-gradient(135deg,#2563EB 0%,#38BDF8 100%);box-shadow:0 0 22px rgba(56,189,248,.45),inset 0 1px 0 rgba(255,255,255,.4);transition:transform .2s,box-shadow .2s;white-space:nowrap;}
.btn-solid:hover{transform:translateY(-2px);box-shadow:0 0 32px rgba(56,189,248,.65),inset 0 1px 0 rgba(255,255,255,.5);}
.btn-solid:active{transform:translateY(0) scale(.98);}
.btn-ghost{display:inline-flex;align-items:center;justify-content:center;padding:9px 16px;border-radius:11px;font-size:14px;font-weight:600;color:#bae6fd;border:1px solid rgba(56,189,248,.34);transition:.2s;background:transparent;}
.btn-ghost:hover{background:rgba(56,189,248,.13);color:#fff;box-shadow:0 0 16px rgba(56,189,248,.28);}
.btn-outline{display:inline-flex;align-items:center;justify-content:center;gap:8px;padding:11px 20px;border-radius:12px;font-size:14.5px;font-weight:600;color:#e0f2fe;border:1px solid rgba(56,189,248,.4);background:rgba(56,189,248,.06);transition:.2s;}
.btn-outline:hover{background:rgba(56,189,248,.15);border-color:rgba(56,189,248,.72);transform:translateY(-2px);}
.btn-lg{padding:14px 26px;font-size:15.5px;border-radius:14px;}

/* ===== Header / Nav ===== */
.site-header{position:sticky;top:0;z-index:60;background:rgba(3,7,18,.84);backdrop-filter:blur(16px);-webkit-backdrop-filter:blur(16px);border-bottom:1px solid rgba(56,189,248,.14);}
.nav-wrap{display:flex;align-items:center;gap:16px;min-height:70px;}
.logo{display:flex;align-items:center;gap:10px;flex-shrink:0;}
.logo-mark{width:38px;height:38px;border-radius:12px;display:grid;place-items:center;font-weight:800;font-size:18px;color:#04121f;background:linear-gradient(135deg,#2563EB,#38BDF8);box-shadow:0 0 20px rgba(56,189,248,.5);}
.logo-text{display:flex;flex-direction:column;gap:3px;font-weight:800;font-size:18px;line-height:1;color:#fff;}
.logo-text em{font-style:normal;font-size:10px;font-weight:700;letter-spacing:.16em;text-transform:uppercase;color:var(--cyan);}
.nav-main{display:flex;align-items:center;gap:4px;margin-left:auto;}
.nav-link{padding:9px 15px;border-radius:10px;font-size:14.5px;font-weight:600;color:#c3d3e8;transition:background .2s,color .2s,box-shadow .2s;white-space:nowrap;}
.nav-link:hover{color:#fff;background:rgba(56,189,248,.1);}
.nav-link.active{color:#fff;background:rgba(37,99,235,.24);box-shadow:inset 0 0 0 1px rgba(56,189,248,.32);}
.nav-actions{display:flex;align-items:center;gap:10px;flex-shrink:0;margin-left:12px;}
.nav-toggle{display:none;width:42px;height:42px;border-radius:11px;border:1px solid rgba(56,189,248,.3);place-items:center;color:#bae6fd;transition:.2s;}
.nav-toggle:hover{background:rgba(56,189,248,.12);}
.mobile-drawer{display:none;border-top:1px solid rgba(56,189,248,.14);background:rgba(3,7,18,.98);padding:10px 20px 20px;}
.mobile-drawer.open{display:block;}
.mobile-drawer a{display:block;padding:13px 4px;font-weight:600;font-size:15px;color:#c3d3e8;border-bottom:1px solid rgba(148,163,184,.12);}
.mobile-drawer a.active{color:var(--cyan);}

/* ===== Hero ===== */
.hero{position:relative;overflow:hidden;border-bottom:1px solid rgba(56,189,248,.14);}
.hero-bg{position:absolute;inset:0;background:url('/assets/images/2a4c74332e4f3c5c.jpg') center/cover no-repeat;}
.hero-bg::after{content:"";position:absolute;inset:0;background:linear-gradient(100deg,rgba(3,7,18,.97) 6%,rgba(8,18,41,.88) 48%,rgba(3,7,18,.96) 100%);}
.hero-lines{position:absolute;inset:0;background-image:linear-gradient(rgba(56,189,248,.07) 1px,transparent 1px),linear-gradient(90deg,rgba(56,189,248,.07) 1px,transparent 1px);background-size:58px 58px;-webkit-mask-image:radial-gradient(circle at 62% 42%,#000 0%,transparent 76%);mask-image:radial-gradient(circle at 62% 42%,#000 0%,transparent 76%);}
.hero-inner{position:relative;z-index:2;display:grid;grid-template-columns:1.1fr .9fr;gap:52px;align-items:center;padding:82px 0 72px;}
.hero h1{font-size:clamp(26px,3.7vw,42px);line-height:1.22;margin-top:20px;}
.hero-lead{color:#c7d7ef;font-size:16.5px;margin-top:20px;max-width:620px;line-height:1.7;}
.hero-actions{display:flex;flex-wrap:wrap;gap:14px;margin-top:30px;}
.hero-data{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:22px;margin-top:34px;padding-top:26px;border-top:1px solid rgba(56,189,248,.16);}
.hero-data b{display:block;font-size:21px;font-weight:800;color:#fff;}
.hero-data span{display:block;font-size:12.5px;color:var(--ice);margin-top:4px;line-height:1.5;}

.hero-board{padding:22px;}
.board-head{display:flex;align-items:center;gap:10px;padding-bottom:14px;border-bottom:1px solid rgba(56,189,248,.16);}
.board-head h2{font-size:15px;font-weight:700;}
.board-dot{width:9px;height:9px;border-radius:50%;background:var(--ok);box-shadow:0 0 12px var(--ok);animation:pulse 1.8s infinite;flex-shrink:0;}
.board-live{margin-left:auto;font-size:11px;font-weight:700;letter-spacing:.1em;text-transform:uppercase;color:var(--cyan);background:rgba(56,189,248,.1);border:1px solid rgba(56,189,248,.28);padding:4px 9px;border-radius:999px;}
@keyframes pulse{0%,100%{opacity:1;}50%{opacity:.35;}}
.board-list{margin-top:6px;}
.board-list li{display:flex;align-items:center;gap:12px;padding:12px 0;border-bottom:1px dashed rgba(148,163,184,.16);}
.board-list li:last-child{border-bottom:0;}
.board-list .rank{font-size:12px;font-weight:800;color:var(--cyan);width:24px;flex-shrink:0;}
.board-list b{display:block;font-size:14.5px;font-weight:600;color:#e8f2ff;}
.board-list em{font-style:normal;display:block;font-size:12px;color:var(--ice);margin-top:2px;}
.board-list .amount{margin-left:auto;font-size:13.5px;font-weight:700;color:var(--ok);white-space:nowrap;}
.board-foot{display:grid;grid-template-columns:1fr 1fr;gap:14px;margin-top:16px;padding-top:16px;border-top:1px solid rgba(56,189,248,.16);}
.board-foot b{display:block;font-size:18px;font-weight:800;color:#fff;}
.board-foot span{display:block;font-size:12px;color:var(--ice);margin-top:2px;}

/* ===== Metrics ===== */
.metrics-grid{display:grid;grid-template-columns:repeat(5,minmax(0,1fr));gap:18px;}
.metric{padding:22px 20px;border-radius:var(--radius-md);background:var(--panel-solid);border:1px solid var(--line);transition:border-color .25s,transform .25s;}
.metric:hover{border-color:var(--line-strong);transform:translateY(-3px);}
.metric i{font-size:17px;color:var(--cyan);}
.metric b{display:block;font-size:24px;font-weight:800;color:#fff;margin-top:12px;}
.metric span{display:block;font-size:13px;color:var(--ice);margin-top:6px;line-height:1.55;}

/* ===== Matrix ===== */
.matrix-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:22px;}
.matrix-card{padding:26px 24px;border-radius:var(--radius-lg);background:linear-gradient(180deg,rgba(13,26,54,.78),rgba(8,18,41,.5));border:1px solid var(--line);transition:transform .25s,box-shadow .25s,border-color .25s;}
.matrix-card:hover{transform:translateY(-4px);border-color:var(--line-strong);box-shadow:var(--shadow-glow);}
.matrix-card i{font-size:19px;color:var(--cyan);width:44px;height:44px;border-radius:12px;display:grid;place-items:center;background:rgba(56,189,248,.1);border:1px solid rgba(56,189,248,.24);}
.matrix-card h3{font-size:17.5px;margin-top:18px;font-weight:700;}
.matrix-card p{font-size:14.5px;color:var(--ice);margin-top:10px;line-height:1.7;}
.chips{display:flex;flex-wrap:wrap;gap:8px;margin-top:16px;}
.chip{font-size:11.5px;font-weight:700;letter-spacing:.04em;color:#bae6fd;background:rgba(56,189,248,.09);border:1px solid rgba(56,189,248,.24);padding:5px 10px;border-radius:999px;}
.feature-figure{position:relative;border-radius:var(--radius-lg);overflow:hidden;border:1px solid var(--line);margin-bottom:30px;}
.feature-figure img{width:100%;height:340px;object-fit:cover;opacity:.85;}
.feature-figure figcaption{position:absolute;left:0;right:0;bottom:0;padding:22px 24px;background:linear-gradient(180deg,transparent,rgba(3,7,18,.94));font-size:14px;color:#dbeafe;}

/* ===== Compare table ===== */
.table-wrap{overflow-x:auto;border-radius:var(--radius-lg);border:1px solid var(--line);background:var(--panel-solid);}
table.compare{width:100%;border-collapse:collapse;min-width:640px;}
table.compare th,table.compare td{padding:16px 20px;text-align:left;font-size:14.5px;border-bottom:1px solid rgba(148,163,184,.14);}
table.compare thead th{font-size:12.5px;text-transform:uppercase;letter-spacing:.1em;color:var(--cyan);background:rgba(56,189,248,.07);}
table.compare td:first-child{color:#e2e8f0;font-weight:600;}
table.compare tbody tr:hover{background:rgba(56,189,248,.05);}
table.compare tbody tr:last-child td{border-bottom:0;}
.tag-ok{display:inline-flex;align-items:center;gap:6px;font-size:12.5px;font-weight:700;color:var(--ok);}
.tag-neutral{font-size:12.5px;color:var(--ice);}

/* ===== Timeline ===== */
.timeline{position:relative;padding-left:30px;}
.timeline::before{content:"";position:absolute;left:7px;top:6px;bottom:6px;width:2px;background:linear-gradient(180deg,rgba(56,189,248,.6),rgba(56,189,248,.05));}
.timeline-item{position:relative;padding:0 0 26px 6px;}
.timeline-item:last-child{padding-bottom:0;}
.timeline-item::before{content:"";position:absolute;left:-30px;top:6px;width:14px;height:14px;border-radius:50%;background:#04121f;border:2px solid var(--cyan);box-shadow:0 0 12px rgba(56,189,248,.6);}
.timeline-item b{font-size:15px;font-weight:700;color:#fff;display:block;}
.timeline-item .ver{font-size:11.5px;font-weight:800;letter-spacing:.1em;text-transform:uppercase;color:var(--cyan);}
.timeline-item p{font-size:14.5px;color:var(--ice);margin-top:8px;line-height:1.7;}

/* ===== Trust ===== */
.trust-grid{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:20px;}
.trust-item{padding:24px 22px;border-radius:var(--radius-md);border:1px solid var(--line);background:rgba(8,18,41,.6);transition:.25s;}
.trust-item:hover{border-color:var(--line-strong);background:rgba(13,26,54,.7);}
.trust-item i{font-size:18px;color:var(--ok);}
.trust-item h3{font-size:16px;margin-top:14px;font-weight:700;}
.trust-item p{font-size:14px;color:var(--ice);margin-top:8px;line-height:1.7;}

/* ===== Category channels ===== */
.channel-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:18px;}
.channel{display:flex;align-items:center;gap:14px;padding:20px 22px;border-radius:var(--radius-md);border:1px solid var(--line);background:rgba(8,18,41,.62);transition:.25s;}
.channel:hover{border-color:var(--line-strong);transform:translateY(-3px);background:rgba(13,26,54,.78);}
.channel i{font-size:16px;color:var(--cyan);}
.channel b{display:block;font-size:15.5px;font-weight:700;color:#fff;}
.channel span{display:block;font-size:13px;color:var(--ice);margin-top:3px;}
.channel .arrow{margin-left:auto;color:var(--cyan);font-size:14px;}

/* ===== FAQ ===== */
.faq-list{display:grid;gap:14px;max-width:900px;}
.faq-item{border:1px solid var(--line);border-radius:var(--radius-md);background:rgba(8,18,41,.62);overflow:hidden;transition:border-color .25s;}
.faq-item[open]{border-color:var(--line-strong);}
.faq-item summary{list-style:none;cursor:pointer;padding:19px 22px;font-size:15.5px;font-weight:700;color:#eaf3ff;display:flex;align-items:center;gap:14px;}
.faq-item summary::-webkit-details-marker{display:none;}
.faq-item summary::after{content:"+";margin-left:auto;font-size:20px;font-weight:600;color:var(--cyan);transition:transform .25s;}
.faq-item[open] summary::after{content:"–";transform:rotate(180deg);}
.faq-item .faq-body{padding:0 22px 20px;font-size:14.5px;color:var(--ice);line-height:1.75;}

/* ===== CTA form ===== */
.cta-panel{display:grid;grid-template-columns:1fr 1fr;gap:44px;padding:44px;border-radius:var(--radius-lg);border:1px solid rgba(56,189,248,.26);background:linear-gradient(140deg,rgba(13,26,54,.9),rgba(3,7,18,.9));box-shadow:var(--shadow-glow);}
.cta-copy h2{font-size:clamp(22px,2.8vw,30px);}
.cta-copy p{font-size:15px;color:var(--ice);margin-top:16px;line-height:1.75;max-width:520px;}
.cta-benefits{margin-top:24px;display:grid;gap:12px;}
.cta-benefits li{display:flex;gap:10px;font-size:14.5px;color:#dbeafe;align-items:flex-start;}
.cta-benefits i{color:var(--ok);font-size:14px;margin-top:4px;}
.cta-form{display:grid;gap:16px;}
.field{display:grid;gap:7px;}
.field label{font-size:13px;font-weight:700;color:#c7d7ef;letter-spacing:.02em;}
.field input,.field select{width:100%;padding:12px 14px;border-radius:12px;border:1px solid rgba(56,189,248,.24);background:rgba(3,7,18,.7);color:#fff;font-size:14.5px;font-family:inherit;transition:border-color .2s,box-shadow .2s;}
.field input::placeholder{color:#64748b;}
.field input:focus,.field select:focus{outline:none;border-color:var(--cyan);box-shadow:0 0 0 3px rgba(56,189,248,.16);}
.form-note{font-size:12.5px;color:var(--ice);line-height:1.6;}
.form-note.ok{color:var(--ok);}

/* ===== Footer ===== */
.site-footer{border-top:1px solid rgba(56,189,248,.16);background:linear-gradient(180deg,rgba(8,18,41,.7),rgba(3,7,18,.98));padding:60px 0 28px;margin-top:20px;}
.footer-top{display:grid;grid-template-columns:1.5fr 1fr 1fr 1fr;gap:36px;}
.footer-logo{display:block;font-size:17px;font-weight:800;color:#fff;line-height:1.4;margin-bottom:14px;}
.footer-brand p{font-size:13.8px;color:var(--ice);line-height:1.75;max-width:420px;}
.footer-pay{display:flex;flex-wrap:wrap;gap:8px;margin-top:18px;}
.footer-pay span{font-size:11.5px;font-weight:700;letter-spacing:.05em;color:#bae6fd;background:rgba(56,189,248,.09);border:1px solid rgba(56,189,248,.24);padding:5px 11px;border-radius:999px;}
.footer-col h4{font-size:13px;text-transform:uppercase;letter-spacing:.11em;color:var(--cyan);margin-bottom:16px;}
.footer-col ul{display:grid;gap:11px;}
.footer-col a{font-size:14px;color:#c3d3e8;transition:color .2s;}
.footer-col a:hover{color:#fff;}
.footer-bottom{margin-top:44px;padding-top:22px;border-top:1px solid rgba(148,163,184,.14);display:flex;flex-wrap:wrap;gap:10px;align-items:center;justify-content:space-between;}
.footer-bottom p{font-size:13px;color:var(--ice);}
.footer-note{font-size:12.5px;color:#7f8ea3;}

/* ===== FAB ===== */
.fab{position:fixed;left:16px;bottom:96px;z-index:50;display:inline-flex;align-items:center;gap:10px;padding:12px 18px;border-radius:999px;background:rgba(7,7,13,.8);backdrop-filter:blur(12px);-webkit-backdrop-filter:blur(12px);border:1px solid transparent;background-image:linear-gradient(rgba(7,7,13,.86),rgba(7,7,13,.86)),linear-gradient(135deg,#38BDF8,#2563EB);background-origin:border-box;background-clip:padding-box,border-box;box-shadow:0 0 20px rgba(6,182,212,.45);font-size:13.5px;font-weight:700;color:#e0f2fe;opacity:.78;transition:opacity .25s,transform .25s,box-shadow .25s;min-height:48px;}
.fab i{color:var(--cyan);font-size:15px;}
.fab:hover{opacity:1;transform:translateY(-3px) scale(1.03);box-shadow:0 0 30px rgba(6,182,212,.7);}
.fab:active{transform:translateY(0) scale(.96);}
.fab .badge{position:absolute;top:-4px;right:-4px;width:12px;height:12px;border-radius:50%;background:#22d3ee;box-shadow:0 0 12px #22d3ee;animation:pulse 1.6s infinite;}

/* ===== Responsive ===== */
@media (max-width:1080px){
  .nav-main{display:none;}
  .nav-toggle{display:grid;}
  .nav-actions{margin-left:auto;}
  .hero-inner{grid-template-columns:1fr;gap:40px;padding:66px 0 58px;}
  .metrics-grid{grid-template-columns:repeat(3,minmax(0,1fr));}
  .trust-grid{grid-template-columns:repeat(2,minmax(0,1fr));}
  .footer-top{grid-template-columns:1fr 1fr;gap:30px;}
  .cta-panel{grid-template-columns:1fr;gap:30px;padding:34px;}
}
@media (max-width:860px){
  .matrix-grid{grid-template-columns:1fr 1fr;}
  .channel-grid{grid-template-columns:1fr;}
  .feature-figure img{height:260px;}
}
@media (max-width:640px){
  .section{padding:56px 0;}
  .hero-inner{padding:52px 0 46px;}
  .hero-data{grid-template-columns:1fr 1fr;gap:18px;}
  .metrics-grid{grid-template-columns:1fr 1fr;}
  .matrix-grid{grid-template-columns:1fr;}
  .trust-grid{grid-template-columns:1fr;}
  .board-list .amount{font-size:12.5px;}
  .logo-text{font-size:16px;}
  .btn-ghost,.btn-solid{padding:9px 13px;font-size:13px;}
  .footer-top{grid-template-columns:1fr;}
  .footer-bottom{flex-direction:column;align-items:flex-start;}
  .cta-panel{padding:24px 20px;}
  .fab{bottom:84px;padding:11px 15px;font-size:12.5px;}
}
@media (max-width:420px){
  .metrics-grid{grid-template-columns:1fr;}
  .hero-data{grid-template-columns:1fr;}
  .board-foot{grid-template-columns:1fr;}
}

/* roulang page: category3 */
:root{
    --bg:#030712;
    --bg-2:#081229;
    --panel:rgba(13,26,54,.62);
    --panel-solid:rgba(8,18,41,.86);
    --line:rgba(56,189,248,.16);
    --line-strong:rgba(56,189,248,.42);
    --volt:#2563EB;
    --cyan:#38BDF8;
    --holo:#60A5FA;
    --ice:#94A3B8;
    --text:#F8FAFC;
    --soft:#cbd5e1;
    --ok:#5eead4;
    --warn:#fbbf24;
    --radius-lg:20px;
    --radius-md:14px;
    --radius-sm:10px;
    --maxw:1200px;
    --shadow-glow:0 24px 60px -30px rgba(37,99,235,.75);
  }
  *{box-sizing:border-box;}
  html{scroll-behavior:smooth;-webkit-text-size-adjust:100%;}
  body{
    margin:0;
    font-family:"Be Vietnam Pro",system-ui,-apple-system,"Segoe UI",Roboto,sans-serif;
    font-size:16px;
    line-height:1.65;
    color:var(--text);
    background:
      radial-gradient(1100px 640px at 10% -12%, rgba(37,99,235,.38), transparent 62%),
      radial-gradient(880px 520px at 94% 3%, rgba(56,189,248,.2), transparent 58%),
      var(--bg);
    overflow-x:hidden;
  }
  img{max-width:100%;display:block;height:auto;border-style:none;}
  a{color:inherit;text-decoration:none;}
  button{font:inherit;color:inherit;background:none;border:0;cursor:pointer;}
  .container{width:100%;max-width:var(--maxw);margin:0 auto;padding:0 20px;}
  .section{padding:76px 0;position:relative;}
  .section--alt{background:linear-gradient(180deg,rgba(8,18,41,.55),rgba(3,7,18,0));border-top:1px solid rgba(56,189,248,.08);border-bottom:1px solid rgba(56,189,248,.08);}
  .section-head{max-width:820px;margin-bottom:38px;}
  .eyebrow{display:inline-flex;align-items:center;gap:8px;font-size:11.5px;font-weight:700;letter-spacing:.15em;text-transform:uppercase;color:var(--cyan);background:rgba(56,189,248,.09);border:1px solid rgba(56,189,248,.26);padding:7px 14px;border-radius:999px;}
  .section-title{font-size:clamp(23px,3.2vw,34px);line-height:1.28;font-weight:800;margin:16px 0 0;letter-spacing:-.01em;}
  .section-sub{color:var(--ice);font-size:15.5px;margin:14px 0 0;max-width:760px;line-height:1.7;}
  /* ===== Header / Nav ===== */
  .site-header{position:sticky;top:0;z-index:60;background:rgba(3,7,18,.84);backdrop-filter:blur(16px);-webkit-backdrop-filter:blur(16px);border-bottom:1px solid rgba(56,189,248,.14);}
  .nav-wrap{display:flex;align-items:center;gap:14px;min-height:70px;}
  .logo{display:flex;align-items:center;gap:10px;flex-shrink:0;}
  .logo-mark{width:38px;height:38px;border-radius:12px;display:grid;place-items:center;font-weight:800;font-size:17px;color:#04121f;background:linear-gradient(135deg,#2563EB,#38BDF8);box-shadow:0 0 20px rgba(56,189,248,.5);flex-shrink:0;}
  .logo-text{display:flex;flex-direction:column;gap:3px;font-weight:800;font-size:17px;line-height:1.05;white-space:nowrap;}
  .logo-text em{font-style:normal;font-size:10px;font-weight:700;letter-spacing:.14em;text-transform:uppercase;color:var(--cyan);}
  .nav-main{display:flex;align-items:center;gap:4px;margin-left:auto;}
  .nav-link{padding:9px 15px;border-radius:10px;font-size:14.5px;font-weight:600;color:#c3d3e8;transition:background .2s,color .2s,box-shadow .2s;white-space:nowrap;}
  .nav-link:hover{color:#fff;background:rgba(56,189,248,.1);}
  .nav-link.active{color:#fff;background:rgba(37,99,235,.24);box-shadow:inset 0 0 0 1px rgba(56,189,248,.32);}
  .nav-actions{display:flex;align-items:center;gap:10px;flex-shrink:0;}
  .btn-ghost{display:inline-flex;align-items:center;justify-content:center;padding:9px 16px;border-radius:11px;font-size:14px;font-weight:600;color:#bae6fd;border:1px solid rgba(56,189,248,.34);transition:.2s;white-space:nowrap;}
  .btn-ghost:hover{background:rgba(56,189,248,.13);color:#fff;box-shadow:0 0 16px rgba(56,189,248,.28);}
  .btn-solid{display:inline-flex;align-items:center;justify-content:center;gap:8px;padding:11px 20px;border-radius:12px;font-size:14.5px;font-weight:700;color:#04121f;background:linear-gradient(135deg,#2563EB 0%,#38BDF8 100%);box-shadow:0 0 22px rgba(56,189,248,.45),inset 0 1px 0 rgba(255,255,255,.4);transition:transform .2s,box-shadow .2s;white-space:nowrap;text-align:center;}
  .btn-solid:hover{transform:translateY(-2px);box-shadow:0 0 32px rgba(56,189,248,.65),inset 0 1px 0 rgba(255,255,255,.5);}
  .btn-solid:active{transform:translateY(0) scale(.98);}
  .btn-outline{display:inline-flex;align-items:center;justify-content:center;gap:8px;padding:11px 20px;border-radius:12px;font-size:14.5px;font-weight:600;color:#e0f2fe;border:1px solid rgba(56,189,248,.4);background:rgba(56,189,248,.06);transition:.2s;text-align:center;}
  .btn-outline:hover{background:rgba(56,189,248,.15);border-color:rgba(56,189,248,.72);transform:translateY(-2px);}
  .btn-lg{padding:14px 26px;font-size:15.5px;border-radius:14px;}
  .nav-toggle{display:none;width:42px;height:42px;border-radius:11px;border:1px solid rgba(56,189,248,.3);place-items:center;color:#bae6fd;transition:.2s;flex-shrink:0;}
  .nav-toggle:hover{background:rgba(56,189,248,.12);}
  .mobile-drawer{display:none;border-top:1px solid rgba(56,189,248,.14);background:rgba(3,7,18,.98);padding:10px 20px 20px;}
  .mobile-drawer.open{display:block;}
  .mobile-drawer a{display:block;padding:13px 4px;font-weight:600;font-size:15px;color:#c3d3e8;border-bottom:1px solid rgba(148,163,184,.12);}
  .mobile-drawer a.active{color:var(--cyan);}
  /* ===== Hero ===== */
  .hero{position:relative;overflow:hidden;border-bottom:1px solid rgba(56,189,248,.14);}
  .hero-bg{position:absolute;inset:0;background:url('/assets/images/3f6a36890395a894.jpg') center/cover no-repeat;}
  .hero-bg::after{content:"";position:absolute;inset:0;background:linear-gradient(100deg,rgba(3,7,18,.97) 6%,rgba(8,18,41,.88) 48%,rgba(3,7,18,.96) 100%);}
  .hero-lines{position:absolute;inset:0;background-image:linear-gradient(rgba(56,189,248,.07) 1px,transparent 1px),linear-gradient(90deg,rgba(56,189,248,.07) 1px,transparent 1px);background-size:58px 58px;-webkit-mask-image:radial-gradient(circle at 62% 42%,#000 0%,transparent 76%);mask-image:radial-gradient(circle at 62% 42%,#000 0%,transparent 76%);}
  .hero-inner{position:relative;z-index:2;display:grid;grid-template-columns:1.08fr .92fr;gap:52px;align-items:center;padding:74px 0 70px;}
  .breadcrumb{display:flex;flex-wrap:wrap;gap:8px;font-size:13px;color:var(--ice);margin-bottom:18px;}
  .breadcrumb a{color:#bae6fd;}
  .breadcrumb a:hover{color:#fff;text-decoration:underline;}
  .hero h1{font-size:clamp(27px,3.9vw,43px);line-height:1.2;font-weight:800;margin:0;letter-spacing:-.015em;}
  .hero h1 .hl{background:linear-gradient(120deg,#38BDF8,#2563EB 70%);-webkit-background-clip:text;background-clip:text;color:transparent;}
  .hero-lead{color:#c7d7ef;font-size:16.5px;margin:20px 0 0;max-width:620px;line-height:1.7;}
  .hero-actions{display:flex;flex-wrap:wrap;gap:14px;margin-top:30px;}
  .hero-tags{display:flex;flex-wrap:wrap;gap:10px;margin-top:26px;}
  .chip{display:inline-flex;align-items:center;gap:7px;font-size:12.5px;font-weight:600;padding:7px 13px;border-radius:999px;background:rgba(56,189,248,.08);border:1px solid rgba(56,189,248,.24);color:#bfe3ff;}
  .chip i{width:6px;height:6px;border-radius:50%;background:var(--cyan);box-shadow:0 0 10px var(--cyan);}
  .hero-panel{background:var(--panel);border:1px solid var(--line);border-radius:var(--radius-lg);backdrop-filter:blur(14px);-webkit-backdrop-filter:blur(14px);padding:16px;box-shadow:var(--shadow-glow);}
  .hero-shot{position:relative;border-radius:var(--radius-md);overflow:hidden;border:1px solid rgba(56,189,248,.22);}
  .hero-shot img{width:100%;aspect-ratio:16/10;object-fit:cover;}
  .hero-badge{position:absolute;top:12px;left:12px;font-size:11.5px;font-weight:800;letter-spacing:.08em;text-transform:uppercase;padding:7px 12px;border-radius:999px;color:#04121f;background:linear-gradient(135deg,#5eead4,#38BDF8);box-shadow:0 0 18px rgba(56,189,248,.55);}
  .hero-rows{display:grid;gap:10px;margin-top:14px;}
  .hero-row{display:flex;align-items:center;justify-content:space-between;gap:12px;padding:11px 14px;border-radius:var(--radius-sm);background:rgba(3,7,18,.55);border:1px solid rgba(56,189,248,.14);}
  .hero-row span{font-size:13.5px;color:var(--ice);}
  .hero-row b{font-size:15px;color:#7dd3fc;font-weight:800;}
  /* ===== Metrics ===== */
  .metric-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:18px;}
  .metric{padding:24px 22px;border-radius:var(--radius-lg);background:var(--panel);border:1px solid var(--line);backdrop-filter:blur(12px);-webkit-backdrop-filter:blur(12px);transition:.25s;}
  .metric:hover{border-color:var(--line-strong);transform:translateY(-4px);box-shadow:var(--shadow-glow);}
  .metric b{display:block;font-size:clamp(24px,3vw,32px);font-weight:800;color:#fff;letter-spacing:-.02em;line-height:1.1;}
  .metric span{display:block;margin-top:9px;font-size:13.5px;color:var(--ice);line-height:1.5;}
  /* ===== Channel grid ===== */
  .channel-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:20px;}
  .channel{display:flex;flex-direction:column;gap:14px;padding:26px;border-radius:var(--radius-lg);background:linear-gradient(160deg,rgba(13,26,54,.78),rgba(3,7,18,.72));border:1px solid var(--line);transition:.25s;}
  .channel:hover{border-color:var(--line-strong);transform:translateY(-4px);box-shadow:var(--shadow-glow);}
  .channel h3{font-size:18px;font-weight:800;margin:0;}
  .channel p{font-size:14px;color:var(--ice);margin:0;line-height:1.65;}
  .channel .go{font-size:13.5px;font-weight:700;color:var(--cyan);margin-top:auto;}
  .channel-thumb{border-radius:var(--radius-md);overflow:hidden;border:1px solid rgba(56,189,248,.18);}
  .channel-thumb img{width:100%;aspect-ratio:16/9;object-fit:cover;transition:transform .35s;}
  .channel:hover .channel-thumb img{transform:scale(1.05);}
  /* ===== Cards ===== */
  .grid-3{display:grid;grid-template-columns:repeat(3,1fr);gap:20px;}
  .grid-2{display:grid;grid-template-columns:repeat(2,1fr);gap:22px;}
  .card{padding:26px;border-radius:var(--radius-lg);background:var(--panel);border:1px solid var(--line);backdrop-filter:blur(12px);-webkit-backdrop-filter:blur(12px);transition:.25s;}
  .card:hover{border-color:var(--line-strong);transform:translateY(-4px);box-shadow:var(--shadow-glow);}
  .card h3{font-size:17.5px;font-weight:800;margin:14px 0 0;line-height:1.4;}
  .card p{font-size:14.5px;color:var(--ice);margin:10px 0 0;line-height:1.68;}
  .card-ico{width:46px;height:46px;border-radius:13px;display:grid;place-items:center;font-size:20px;background:rgba(56,189,248,.1);border:1px solid rgba(56,189,248,.28);}
  .num{font-size:12px;font-weight:800;letter-spacing:.14em;color:var(--cyan);}
  .list-check{list-style:none;margin:16px 0 0;padding:0;display:grid;gap:10px;}
  .list-check li{position:relative;padding-left:26px;font-size:14.5px;color:var(--soft);line-height:1.6;}
  .list-check li::before{content:"";position:absolute;left:0;top:8px;width:12px;height:12px;border-radius:4px;background:linear-gradient(135deg,#2563EB,#38BDF8);box-shadow:0 0 10px rgba(56,189,248,.5);}
  /* ===== Scenario section ===== */
  .scenario{display:grid;grid-template-columns:.95fr 1.05fr;gap:44px;align-items:center;}
  .scenario-media{border-radius:var(--radius-lg);overflow:hidden;border:1px solid rgba(56,189,248,.22);box-shadow:var(--shadow-glow);}
  .scenario-media img{width:100%;aspect-ratio:4/3;object-fit:cover;}
  .scenario-list{display:grid;gap:14px;margin-top:26px;}
  .scenario-item{display:grid;grid-template-columns:auto 1fr;gap:16px;padding:18px 20px;border-radius:var(--radius-md);background:rgba(8,18,41,.6);border:1px solid rgba(56,189,248,.14);transition:.22s;}
  .scenario-item:hover{border-color:var(--line-strong);background:rgba(13,26,54,.75);}
  .scenario-item strong{font-size:15.5px;font-weight:700;display:block;}
  .scenario-item span{font-size:14px;color:var(--ice);display:block;margin-top:5px;line-height:1.6;}
  .scenario-item .idx{width:34px;height:34px;border-radius:10px;display:grid;place-items:center;font-weight:800;font-size:14px;color:#04121f;background:linear-gradient(135deg,#38BDF8,#2563EB);}
  /* ===== Compare table ===== */
  .table-wrap{overflow-x:auto;border-radius:var(--radius-lg);border:1px solid var(--line);background:rgba(8,18,41,.6);}
  table{width:100%;border-collapse:collapse;min-width:680px;}
  thead th{text-align:left;font-size:13px;letter-spacing:.08em;text-transform:uppercase;color:#bfe3ff;font-weight:700;padding:18px 20px;background:rgba(37,99,235,.16);border-bottom:1px solid var(--line);}
  tbody td{padding:16px 20px;font-size:14.5px;color:var(--soft);border-bottom:1px solid rgba(148,163,184,.1);vertical-align:top;}
  tbody tr:last-child td{border-bottom:0;}
  tbody tr:hover td{background:rgba(56,189,248,.05);}
  td.good{color:#a7f3d0;font-weight:600;}
  td.bad{color:#fca5a5;font-weight:600;}
  /* ===== Timeline ===== */
  .timeline{display:grid;gap:0;position:relative;margin-top:12px;}
  .tl-item{display:grid;grid-template-columns:auto 1fr;gap:22px;padding-bottom:32px;position:relative;}
  .tl-item:last-child{padding-bottom:0;}
  .tl-item::before{content:"";position:absolute;left:19px;top:44px;bottom:0;width:2px;background:linear-gradient(180deg,rgba(56,189,248,.5),rgba(56,189,248,0));}
  .tl-item:last-child::before{display:none;}
  .tl-dot{width:40px;height:40px;border-radius:12px;display:grid;place-items:center;font-weight:800;font-size:14px;color:#04121f;background:linear-gradient(135deg,#5eead4,#38BDF8);box-shadow:0 0 18px rgba(56,189,248,.5);z-index:1;}
  .tl-body h3{font-size:17.5px;font-weight:800;margin:6px 0 0;}
  .tl-body p{font-size:14.5px;color:var(--ice);margin:9px 0 0;line-height:1.68;max-width:760px;}
  /* ===== Safety ===== */
  .safety-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:18px;}
  .safety{padding:24px 22px;border-radius:var(--radius-lg);border:1px solid var(--line);background:linear-gradient(165deg,rgba(13,26,54,.7),rgba(3,7,18,.6));transition:.25s;}
  .safety:hover{border-color:var(--line-strong);transform:translateY(-3px);}
  .safety h3{font-size:16px;font-weight:800;margin:14px 0 0;}
  .safety p{font-size:14px;color:var(--ice);margin:9px 0 0;line-height:1.62;}
  /* ===== FAQ ===== */
  .faq{display:grid;gap:14px;max-width:900px;}
  .faq-item{border:1px solid var(--line);border-radius:var(--radius-md);background:rgba(8,18,41,.6);overflow:hidden;transition:.2s;}
  .faq-item:hover{border-color:var(--line-strong);}
  .faq-item summary{list-style:none;cursor:pointer;padding:19px 22px;font-size:15.5px;font-weight:700;display:flex;align-items:center;justify-content:space-between;gap:16px;}
  .faq-item summary::-webkit-details-marker{display:none;}
  .faq-item summary::after{content:"+";font-size:20px;font-weight:700;color:var(--cyan);line-height:1;flex-shrink:0;}
  .faq-item[open] summary::after{content:"–";}
  .faq-item p{margin:0;padding:0 22px 20px;font-size:14.5px;color:var(--ice);line-height:1.7;}
  /* ===== CTA form ===== */
  .cta-box{display:grid;grid-template-columns:1fr .9fr;gap:40px;align-items:center;padding:44px;border-radius:26px;background:linear-gradient(135deg,rgba(37,99,235,.28),rgba(8,18,41,.9));border:1px solid rgba(56,189,248,.34);box-shadow:var(--shadow-glow);}
  .cta-box h2{font-size:clamp(22px,3vw,32px);font-weight:800;margin:14px 0 0;line-height:1.28;}
  .cta-box p{color:#cbd5e1;font-size:15px;margin:14px 0 0;line-height:1.7;}
  .form-grid{display:grid;gap:12px;}
  .field{display:grid;gap:7px;}
  .field label{font-size:12.5px;font-weight:600;color:#bfe3ff;letter-spacing:.04em;text-transform:uppercase;}
  .field input,.field select,.field textarea{width:100%;padding:13px 15px;border-radius:12px;background:rgba(3,7,18,.72);border:1px solid rgba(56,189,248,.24);color:var(--text);font-family:inherit;font-size:14.5px;transition:.2s;}
  .field input:focus,.field select:focus,.field textarea:focus{outline:none;border-color:rgba(56,189,248,.75);box-shadow:0 0 0 3px rgba(56,189,248,.18);}
  .field input::placeholder,.field textarea::placeholder{color:#64748b;}
  .form-note{font-size:12.5px;color:var(--ice);line-height:1.6;}
  .form-msg{display:none;margin-top:12px;padding:13px 16px;border-radius:12px;background:rgba(94,234,212,.12);border:1px solid rgba(94,234,212,.4);color:#a7f3d0;font-size:13.8px;font-weight:600;}
  /* ===== Footer ===== */
  .site-footer{margin-top:10px;background:linear-gradient(180deg,rgba(8,18,41,.78),rgba(3,7,18,.99));border-top:1px solid var(--line);padding:58px 0 30px;}
  .footer-top{display:grid;grid-template-columns:1.6fr 1fr 1fr 1fr;gap:34px;}
  .footer-logo{font-weight:800;font-size:16.5px;line-height:1.45;display:block;margin-bottom:14px;color:#fff;}
  .footer-brand p{color:var(--ice);font-size:14px;line-height:1.7;max-width:430px;margin:0;}
  .footer-pay{display:flex;flex-wrap:wrap;gap:8px;margin-top:16px;}
  .footer-pay span{font-size:12px;font-weight:600;padding:6px 12px;border-radius:999px;border:1px solid var(--line);background:rgba(56,189,248,.07);color:#bae6fd;}
  .footer-col h4{font-size:13.5px;text-transform:uppercase;letter-spacing:.08em;color:#e2e8f0;margin:0 0 14px;font-weight:700;}
  .footer-col ul{list-style:none;margin:0;padding:0;display:grid;gap:10px;}
  .footer-col a{color:var(--ice);font-size:14px;transition:color .2s;}
  .footer-col a:hover{color:var(--cyan);}
  .footer-bottom{margin-top:42px;padding-top:22px;border-top:1px solid rgba(148,163,184,.14);display:flex;justify-content:space-between;gap:16px;flex-wrap:wrap;}
  .footer-bottom p{font-size:13px;color:#8ea3bd;margin:0;line-height:1.6;}
  .footer-note{max-width:520px;}
  /* ===== FAB ===== */
  .fab{position:fixed;left:16px;bottom:96px;z-index:50;display:inline-flex;align-items:center;gap:10px;padding:11px 16px 11px 12px;border-radius:999px;background:rgba(7,7,13,.82);backdrop-filter:blur(14px);-webkit-backdrop-filter:blur(14px);border:1px solid rgba(56,189,248,.55);box-shadow:0 0 20px rgba(6,182,212,.45);color:#e0f2fe;font-size:13.5px;font-weight:700;transition:transform .25s,box-shadow .25s,opacity .25s;opacity:.82;}
  .fab:hover{transform:scale(1.06);opacity:1;box-shadow:0 0 32px rgba(6,182,212,.72);}
  .fab:active{transform:scale(.94);}
  .fab-ico{width:32px;height:32px;border-radius:50%;display:grid;place-items:center;background:linear-gradient(135deg,#2563EB,#38BDF8);color:#04121f;flex-shrink:0;}
  .fab-dot{position:absolute;top:-5px;right:-5px;width:12px;height:12px;border-radius:50%;background:#ef4444;box-shadow:0 0 10px rgba(239,68,68,.9);border:2px solid #030712;animation:pulse 1.8s infinite;}
  @keyframes pulse{0%,100%{opacity:1;transform:scale(1);}50%{opacity:.55;transform:scale(.85);}}
  a:focus-visible,button:focus-visible,summary:focus-visible{outline:2px solid var(--cyan);outline-offset:3px;border-radius:8px;}
  /* ===== Responsive ===== */
  @media (max-width:1080px){
    .hero-inner{grid-template-columns:1fr;gap:38px;padding:60px 0 56px;}
    .scenario{grid-template-columns:1fr;gap:32px;}
    .cta-box{grid-template-columns:1fr;padding:32px;}
    .metric-grid,.safety-grid{grid-template-columns:repeat(2,1fr);}
    .grid-3,.channel-grid{grid-template-columns:repeat(2,1fr);}
    .footer-top{grid-template-columns:1fr 1fr;gap:28px;}
  }
  @media (max-width:1023px){
    .nav-main{display:none;}
    .nav-toggle{display:grid;}
    .nav-wrap{gap:10px;}
  }
  @media (max-width:768px){
    .section{padding:58px 0;}
    .logo-text{font-size:14.5px;}
    .logo-text em{font-size:9px;letter-spacing:.1em;}
    .logo-mark{width:34px;height:34px;font-size:15px;}
    .btn-ghost{padding:8px 11px;font-size:12.5px;}
    .btn-solid{padding:9px 13px;font-size:12.5px;}
    .grid-2,.grid-3,.channel-grid{grid-template-columns:1fr;}
    .metric-grid,.safety-grid{grid-template-columns:1fr 1fr;}
    .hero-data{gap:18px;}
    .footer-top{grid-template-columns:1fr;}
    .footer-bottom{flex-direction:column;}
    .fab{bottom:84px;}
  }
  @media (max-width:520px){
    .container{padding:0 16px;}
    .metric-grid,.safety-grid{grid-template-columns:1fr;}
    .hero-actions .btn-solid,.hero-actions .btn-outline{width:100%;}
    .hero-row{flex-direction:column;align-items:flex-start;gap:4px;}
    .cta-box{padding:24px 18px;}
    .fab{left:12px;bottom:78px;padding:10px;}
    .fab span{display:none;}
  }
/* =========================================================
   💥 修复 Bay789：时间线文字严重竖排挤压 + 承诺保障网格丢失
   ========================================================= */

/* ---------------------------------------------------------
   1. 彻底修复 .timeline（时间线与手机端指南）：消除极窄竖排
   --------------------------------------------------------- */
.timeline {
  display: grid !important;
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr)) !important;
  gap: 24px !important;
  width: 100% !important;
  margin-top: 32px !important;
  box-sizing: border-box !important;
}

/* 单个时间线卡片：强制上下垂直排列（标题在上，整段正文在下） */
.tl-item {
  display: flex !important;
  flex-direction: column !important; /* 关键：改为纵向排列，彻底根治左右横向挤压 */
  align-items: flex-start !important;
  text-align: left !important;
  padding: 24px 20px !important;
  background: rgba(8, 18, 41, 0.75) !important;
  border: 1px solid rgba(56, 189, 248, 0.25) !important;
  border-radius: 16px !important;
  box-sizing: border-box !important;
  height: 100% !important;
  min-width: 0 !important;
}

/* 标题样式：独占整行 */
.tl-item h3 {
  display: block !important;
  width: 100% !important;
  font-size: 16px !important;
  font-weight: 700 !important;
  color: #60a5fa !important; /* 亮蓝色高亮 */
  line-height: 1.4 !important;
  margin: 0 0 12px 0 !important;
  white-space: normal !important;
}

/* 描述文本：占满卡片全宽，恢复舒展流畅的段落流动 */
.tl-item p {
  display: block !important;
  width: 100% !important;
  font-size: 13.5px !important;
  line-height: 1.65 !important;
  color: #cbd5e1 !important;
  margin: 0 !important;
  white-space: normal !important; /* 彻底恢复自然换行，告别竖排 */
  word-break: normal !important;
}

/* ---------------------------------------------------------
   2. 彻底修复 .guarantee（承诺保障模块）：恢复 4 列精致卡片
   --------------------------------------------------------- */
.guarantee {
  display: grid !important;
  grid-template-columns: repeat(4, minmax(0, 1fr)) !important; /* 4 列横排分布 */
  gap: 20px !important;
  width: 100% !important;
  margin-top: 24px !important;
  box-sizing: border-box !important;
}

.guarantee-item {
  display: flex !important;
  flex-direction: column !important;
  align-items: flex-start !important;
  padding: 24px 20px !important;
  background: rgba(8, 18, 41, 0.6) !important;
  border: 1px solid rgba(56, 189, 248, 0.2) !important;
  border-radius: 14px !important;
  box-sizing: border-box !important;
  min-width: 0 !important;
}

.guarantee-item .g-ico {
  font-size: 28px !important;
  margin-bottom: 14px !important;
  display: inline-block !important;
  line-height: 1 !important;
}

.guarantee-item h3 {
  font-size: 16px !important;
  font-weight: 700 !important;
  color: #ffffff !important;
  margin: 0 0 8px 0 !important;
  line-height: 1.35 !important;
  white-space: normal !important;
}

.guarantee-item p {
  font-size: 13.5px !important;
  line-height: 1.6 !important;
  color: #94a3b8 !important;
  margin: 0 !important;
  white-space: normal !important;
}

/* ---------------------------------------------------------
   3. 移动端与平板响应式适配
   --------------------------------------------------------- */
@media (max-width: 1024px) {
  .timeline {
    grid-template-columns: repeat(2, 1fr) !important;
  }
  .guarantee {
    grid-template-columns: repeat(2, 1fr) !important;
  }
}

@media (max-width: 640px) {
  .timeline,
  .guarantee {
    grid-template-columns: 1fr !important;
  }
}
/* =========================================================
   💥 修复 #bat-dau 转化面板：排版错乱 + 按钮无样式无法点击
   ========================================================= */

/* 1. 整个卡片面板容器：规范为居中的高质感毛玻璃大卡片 */
#bat-dau .cta-panel {
  display: flex !important;
  flex-direction: column !important;
  align-items: center !important;
  text-align: center !important;
  max-width: 860px !important;
  margin: 0 auto !important;
  padding: 48px 36px !important;
  background: linear-gradient(160deg, rgba(8, 18, 41, 0.95), rgba(3, 7, 18, 0.98)) !important;
  border: 1px solid rgba(56, 189, 248, 0.35) !important;
  border-radius: 24px !important;
  box-shadow: 0 20px 50px rgba(0, 0, 0, 0.7) !important;
  position: relative !important;
  z-index: 10 !important;
  box-sizing: border-box !important;
}

/* 2. 徽章、大标题、副标题从上至下整齐排布 */
#bat-dau .cta-panel .eyebrow {
  margin-bottom: 16px !important;
  display: inline-block !important;
}

#bat-dau .cta-panel h2 {
  font-size: clamp(22px, 2.6vw, 32px) !important;
  font-weight: 800 !important;
  color: #ffffff !important;
  line-height: 1.35 !important;
  margin: 0 0 16px 0 !important;
  max-width: 720px !important;
}

#bat-dau .cta-panel > p {
  font-size: 15px !important;
  line-height: 1.75 !important;
  color: #94a3b8 !important;
  max-width: 700px !important;
  margin: 0 0 32px 0 !important;
}

/* 3. 表单网格：标准双列排布 */
#bat-dau .form-grid {
  display: grid !important;
  grid-template-columns: 1fr 1fr !important;
  gap: 20px 24px !important;
  width: 100% !important;
  max-width: 680px !important;
  text-align: left !important;
}

/* 单个字段 */
#bat-dau .field {
  display: flex !important;
  flex-direction: column !important;
  gap: 8px !important;
  width: 100% !important;
}

/* 占满整行的字段（只读码和提交按钮） */
#bat-dau .field.full {
  grid-column: 1 / -1 !important;
}

/* 输入框标签 */
#bat-dau .field label {
  font-size: 12px !important;
  font-weight: 700 !important;
  letter-spacing: 0.8px !important;
  text-transform: uppercase !important;
  color: #38bdf8 !important; /* 科技蓝提示 */
}

/* 输入框与下拉选择框样式 */
#bat-dau .field input,
#bat-dau .field select {
  width: 100% !important;
  height: 50px !important;
  padding: 0 16px !important;
  border-radius: 12px !important;
  background: rgba(3, 7, 18, 0.75) !important;
  border: 1px solid rgba(56, 189, 248, 0.3) !important;
  color: #ffffff !important;
  font-size: 15px !important;
  box-sizing: border-box !important;
  transition: all 0.2s ease !important;
}

#bat-dau .field input:focus,
#bat-dau .field select:focus {
  outline: none !important;
  border-color: #38bdf8 !important;
  box-shadow: 0 0 0 3px rgba(56, 189, 248, 0.2) !important;
}

/* 只读的礼包码输入框加特殊高亮 */
#bat-dau #f-code {
  background: rgba(37, 99, 235, 0.15) !important;
  border-color: rgba(56, 189, 248, 0.5) !important;
  color: #fbbf24 !important;
  font-weight: 800 !important;
  letter-spacing: 1px !important;
}

/* 4. 核心修复：金黄色提交大按钮，恢复点击与最高优先级 */
#bat-dau .btn-gold {
  display: flex !important;
  align-items: center !important;
  justify-content: center !important;
  width: 100% !important;
  height: 54px !important;
  background: linear-gradient(135deg, #fbbf24 0%, #f59e0b 50%, #d97706 100%) !important;
  color: #030712 !important;
  font-size: 16px !important;
  font-weight: 800 !important;
  letter-spacing: 0.5px !important;
  border: none !important;
  border-radius: 12px !important;
  cursor: pointer !important;
  pointer-events: auto !important; /* 关键：强制恢复鼠标交互 */
  position: relative !important;
  z-index: 20 !important;
  box-shadow: 0 10px 25px rgba(245, 158, 11, 0.45) !important;
  transition: transform 0.18s ease, box-shadow 0.18s ease !important;
  margin-top: 8px !important;
}

#bat-dau .btn-gold:hover {
  transform: translateY(-2px) !important;
  box-shadow: 0 15px 35px rgba(245, 158, 11, 0.6) !important;
}

#bat-dau .btn-gold:active {
  transform: translateY(0) scale(0.98) !important;
}

/* 按钮完成状态 */
#bat-dau .btn-gold.is-done {
  background: linear-gradient(135deg, #10b981 0%, #059669 100%) !important;
  color: #ffffff !important;
}

/* 5. 底部提示文本 */
#bat-dau .form-note {
  grid-column: 1 / -1 !important;
  font-size: 13px !important;
  line-height: 1.6 !important;
  color: #64748b !important;
  text-align: center !important;
  margin-top: 10px !important;
}

/* 6. 移动端自适应 */
@media (max-width: 640px) {
  #bat-dau .cta-panel {
    padding: 32px 20px !important;
  }
  #bat-dau .form-grid {
    grid-template-columns: 1fr !important;
  }
}