/* roulang page: index */
:root{
      --bg:#08090f;
      --bg-soft:#0d111e;
      --panel:#111a2d;
      --panel-2:#15223b;
      --line:rgba(113,171,255,.19);
      --line-strong:rgba(0,240,255,.5);
      --blue:#0052ff;
      --cyan:#00f0ff;
      --cyan-soft:#9cf8ff;
      --text:#f8fbff;
      --muted:#afbdd0;
      --dim:#78889e;
      --good:#77faac;
      --warning:#ffd45e;
      --danger:#ff5977;
      --radius:20px;
      --radius-sm:12px;
      --shadow:0 24px 60px rgba(0,0,0,.32);
      --container:1180px;
      --font:Inter,ui-sans-serif,system-ui,-apple-system,BlinkMacSystemFont,"Segoe UI",Arial,sans-serif;
    }
    *{box-sizing:border-box}
    html{scroll-behavior:smooth}
    body{
      margin:0;
      color:var(--text);
      font-family:var(--font);
      font-size:16px;
      line-height:1.62;
      background:
        radial-gradient(circle at 12% 8%,rgba(0,82,255,.17),transparent 26rem),
        radial-gradient(circle at 91% 33%,rgba(0,240,255,.10),transparent 27rem),
        var(--bg);
      overflow-x:hidden;
    }
    body:before{
      content:"";
      position:fixed;
      inset:0;
      pointer-events:none;
      z-index:-1;
      opacity:.22;
      background-image:linear-gradient(rgba(115,154,210,.075) 1px,transparent 1px),linear-gradient(90deg,rgba(115,154,210,.075) 1px,transparent 1px);
      background-size:42px 42px;
      mask-image:linear-gradient(to bottom,#000,transparent 76%);
    }
    a{color:inherit;text-decoration:none}
    button,input{font:inherit}
    button{border:0;cursor:pointer}
    img{display:block;max-width:100%}
    ::selection{background:rgba(0,240,255,.28);color:#fff}
    .container{width:min(calc(100% - 48px),var(--container));margin:auto}
    .skip-link{position:absolute;left:-999px;top:8px;z-index:100;color:#06101b;background:var(--cyan);padding:9px 14px;border-radius:8px;font-weight:800}
    .skip-link:focus{left:12px}
    .topline{height:3px;background:linear-gradient(90deg,transparent,var(--blue),var(--cyan),transparent)}
    .site-header{
      position:sticky;top:0;z-index:40;
      border-bottom:1px solid rgba(112,165,255,.13);
      background:rgba(8,9,15,.83);
      backdrop-filter:blur(18px);
    }
    .nav-shell{min-height:76px;display:flex;align-items:center;gap:22px}
    .brand{display:flex;align-items:center;gap:10px;min-width:172px}
    .brand-mark{
      position:relative;width:37px;height:37px;display:grid;place-items:center;flex:0 0 37px;
      color:var(--cyan);font-weight:900;font-size:14px;letter-spacing:-1px;
      background:linear-gradient(145deg,#17376b,#071425);
      border:1px solid var(--line-strong);
      clip-path:polygon(18% 0,100% 0,100% 77%,78% 100%,0 100%,0 20%);
      box-shadow:0 0 20px rgba(0,240,255,.22);
    }
    .brand-title{max-width:163px;font-size:12px;line-height:1.23;font-weight:850;letter-spacing:.02em}
    .brand-title small{display:block;margin-top:3px;color:var(--cyan);font-size:10px;font-weight:700}
    .nav-links{display:flex;align-items:center;justify-content:center;gap:3px;flex:1}
    .nav-links a{
      padding:9px 12px;border-radius:8px;
      color:var(--muted);font-size:13px;font-weight:700;white-space:nowrap;
      transition:.22s ease;
    }
    .nav-links a:hover,.nav-links a.active{color:#fff;background:rgba(0,82,255,.18)}
    .nav-links a.active{box-shadow:inset 0 -2px 0 var(--cyan)}
    .nav-actions{display:flex;align-items:center;gap:9px}
    .login-link{padding:9px 7px;color:var(--cyan-soft);font-size:13px;font-weight:800;white-space:nowrap}
    .login-link:hover{color:#fff}
    .button{
      display:inline-flex;align-items:center;justify-content:center;gap:8px;
      min-height:44px;padding:11px 18px;border-radius:10px;
      color:#fff;font-size:14px;font-weight:850;line-height:1;
      transition:transform .2s ease,box-shadow .2s ease,background .2s ease,border-color .2s ease;
    }
    .button:focus-visible,.nav-links a:focus-visible,.login-link:focus-visible,.faq-question:focus-visible,input:focus-visible{outline:3px solid rgba(0,240,255,.58);outline-offset:3px}
    .button:hover{transform:translateY(-2px)}
    .button:active{transform:translateY(1px) scale(.98)}
    .button-primary{
      background:linear-gradient(135deg,var(--blue),#0877ff 52%,var(--cyan));
      box-shadow:0 8px 28px rgba(0,82,255,.33),0 0 18px rgba(0,240,255,.15);
    }
    .button-primary:hover{box-shadow:0 12px 32px rgba(0,82,255,.48),0 0 26px rgba(0,240,255,.32)}
    .button-outline{border:1px solid rgba(0,240,255,.52);background:rgba(1,15,29,.55);color:var(--cyan-soft)}
    .button-outline:hover{background:rgba(0,240,255,.1);border-color:var(--cyan);color:#fff}
    .menu-toggle{display:none;width:42px;height:42px;background:transparent;color:#fff;border:1px solid var(--line);border-radius:10px}
    .hero{position:relative;isolation:isolate;min-height:594px;padding:78px 0 68px;overflow:hidden}
    .hero:before{
      content:"";position:absolute;inset:0;z-index:-2;
      background:
        linear-gradient(90deg,rgba(8,9,15,.97) 0%,rgba(8,9,15,.75) 45%,rgba(8,9,15,.8) 100%),
        url("/assets/images/backpic/back-1.jpg") center/cover no-repeat;
    }
    .hero:after{
      content:"";position:absolute;z-index:-1;width:550px;height:550px;right:-130px;top:-170px;
      border-radius:50%;border:1px solid rgba(0,240,255,.27);
      box-shadow:0 0 0 42px rgba(0,82,255,.05),0 0 0 87px rgba(0,240,255,.04),0 0 120px rgba(0,240,255,.18);
    }
    .hero-grid{display:grid;grid-template-columns:minmax(0,1.27fr) minmax(300px,.73fr);gap:52px;align-items:end}
    .hero-copy{padding-top:18px}
    .eyebrow{display:inline-flex;align-items:center;gap:8px;margin-bottom:18px;color:var(--cyan);font-size:12px;font-weight:850;letter-spacing:.11em;text-transform:uppercase}
    .pulse-dot{width:8px;height:8px;border-radius:50%;background:var(--good);box-shadow:0 0 0 0 rgba(119,250,172,.65);animation:pulse 1.7s infinite}
    @keyframes pulse{70%{box-shadow:0 0 0 9px rgba(119,250,172,0)}100%{box-shadow:0 0 0 0 rgba(119,250,172,0)}}
    h1,h2,h3,p{margin-top:0}
    h1{max-width:800px;margin-bottom:20px;font-size:clamp(35px,5.2vw,67px);line-height:1.06;letter-spacing:-.052em}
    .hero h1 em{font-style:normal;color:var(--cyan);text-shadow:0 0 26px rgba(0,240,255,.27)}
    .hero-lead{max-width:745px;margin-bottom:25px;color:#d2deee;font-size:17px;line-height:1.7}
    .offer-row{display:flex;align-items:center;gap:12px;flex-wrap:wrap;margin:0 0 27px}
    .burst{
      position:relative;display:inline-flex;align-items:center;min-height:36px;padding:7px 14px;
      color:#06101b;background:var(--warning);font-size:12px;font-weight:950;letter-spacing:.04em;
      clip-path:polygon(8% 0,92% 0,100% 22%,96% 50%,100% 79%,92% 100%,8% 100%,0 79%,4% 50%,0 22%);
      transform:rotate(-2deg);
    }
    .countdown{color:var(--cyan-soft);font-size:13px;font-weight:700}
    .countdown strong{color:#fff}
    .hero-buttons{display:flex;gap:12px;flex-wrap:wrap}
    .proof-strip{display:flex;gap:24px;flex-wrap:wrap;margin-top:38px;padding-top:20px;border-top:1px solid rgba(146,182,234,.22)}
    .proof-item{display:flex;gap:10px;align-items:center;color:#d3deec;font-size:12px;font-weight:700}
    .proof-icon{width:30px;height:30px;display:grid;place-items:center;border:1px solid rgba(0,240,255,.42);border-radius:8px;color:var(--cyan);background:rgba(0,240,255,.08)}
    .hero-check{
      position:relative;align-self:center;
      padding:24px;
      background:linear-gradient(145deg,rgba(22,42,78,.86),rgba(7,14,27,.81));
      border:1px solid rgba(0,240,255,.38);
      clip-path:polygon(0 0,92% 0,100% 8%,100% 100%,8% 100%,0 92%);
      box-shadow:var(--shadow),inset 0 1px 0 rgba(255,255,255,.09),0 0 38px rgba(0,82,255,.18);
    }
    .hero-check:before{content:"";position:absolute;top:0;right:7%;width:52px;height:2px;background:var(--cyan);box-shadow:0 0 15px var(--cyan)}
    .panel-overline{margin-bottom:7px;color:var(--cyan);font-size:11px;font-weight:900;letter-spacing:.12em;text-transform:uppercase}
    .hero-check h2{margin-bottom:18px;font-size:22px;line-height:1.2;letter-spacing:-.025em}
    .check-score{display:flex;align-items:center;gap:16px;margin-bottom:20px}
    .score-ring{
      width:76px;height:76px;display:grid;place-items:center;flex:0 0 76px;border-radius:50%;
      background:conic-gradient(var(--cyan) 0 76%,rgba(255,255,255,.1) 76% 100%);
    }
    .score-ring span{display:grid;place-items:center;width:60px;height:60px;border-radius:50%;background:#0e1728;color:#fff;font-size:19px;font-weight:900}
    .score-text strong{display:block;font-size:14px}.score-text span{color:var(--muted);font-size:12px}
    .mini-checks{display:grid;gap:10px;margin:0;padding:0;list-style:none}
    .mini-checks li{display:flex;align-items:flex-start;gap:10px;padding-top:10px;border-top:1px solid rgba(162,190,233,.14);color:#d4e0ef;font-size:13px}
    .tick{color:var(--good);font-weight:900}
    .section{padding:90px 0}
    .section-heading{max-width:710px;margin-bottom:35px}
    .kicker{display:block;margin-bottom:10px;color:var(--cyan);font-size:11px;font-weight:900;letter-spacing:.12em;text-transform:uppercase}
    h2{margin-bottom:13px;font-size:clamp(27px,3vw,42px);line-height:1.16;letter-spacing:-.038em}
    .section-heading p,.section-intro{margin-bottom:0;color:var(--muted);font-size:15px}
    .catalog{padding-top:70px;padding-bottom:76px;border-bottom:1px solid var(--line);background:linear-gradient(180deg,rgba(14,25,45,.47),transparent)}
    .catalog-layout{display:grid;grid-template-columns:.84fr 1.16fr;gap:50px;align-items:start}
    .catalog-aside{position:sticky;top:100px}
    .catalog-aside h2{max-width:420px}
    .catalog-note{margin:24px 0 26px;padding-left:17px;border-left:2px solid var(--cyan);color:#cbd8e8;font-size:14px}
    .catalog-stats{display:flex;gap:27px}
    .catalog-stats strong{display:block;color:var(--cyan);font-size:25px;line-height:1}
    .catalog-stats span{display:block;margin-top:5px;color:var(--dim);font-size:11px;font-weight:800;text-transform:uppercase;letter-spacing:.07em}
    .directory{display:grid;grid-template-columns:1fr 1fr;gap:14px}
    .directory-item{
      position:relative;min-height:141px;padding:18px;overflow:hidden;
      border:1px solid var(--line);border-radius:var(--radius-sm);
      background:linear-gradient(140deg,rgba(25,42,73,.7),rgba(12,22,38,.83));
      transition:.24s ease;
    }
    .directory-item:hover{transform:translateY(-4px);border-color:rgba(0,240,255,.68);box-shadow:0 16px 30px rgba(0,0,0,.25),0 0 20px rgba(0,240,255,.1)}
    .directory-item:after{content:"";position:absolute;right:-22px;bottom:-34px;width:95px;height:95px;border:1px solid rgba(0,240,255,.2);border-radius:50%}
    .directory-number{display:block;margin-bottom:14px;color:var(--cyan);font-size:11px;font-weight:900;letter-spacing:.1em}
    .directory-item h3{margin-bottom:5px;font-size:16px;line-height:1.25}
    .directory-item p{position:relative;z-index:1;margin:0;color:var(--muted);font-size:12px;line-height:1.5}
    .value-section{position:relative;background:#0b101d;border-top:1px solid var(--line);border-bottom:1px solid var(--line)}
    .value-layout{display:grid;grid-template-columns:1.04fr .96fr;gap:58px;align-items:center}
    .photo-frame{position:relative}
    .photo-frame img{width:100%;height:455px;object-fit:cover;border-radius:18px;filter:saturate(.83) contrast(1.08)}
    .photo-frame:before{content:"";position:absolute;z-index:1;inset:0;border-radius:18px;background:linear-gradient(135deg,rgba(0,82,255,.31),transparent 55%,rgba(0,240,255,.12));pointer-events:none}
    .photo-label{
      position:absolute;z-index:2;left:19px;bottom:19px;max-width:250px;padding:14px 16px;
      border:1px solid rgba(0,240,255,.46);border-radius:10px;
      background:rgba(5,13,27,.82);backdrop-filter:blur(8px);
    }
    .photo-label strong{display:block;margin-bottom:2px;font-size:13px}.photo-label span{display:block;color:var(--cyan-soft);font-size:11px}
    .value-copy h2{max-width:510px}
    .value-copy>p{color:var(--muted)}
    .value-list{display:grid;gap:0;margin:25px 0 27px;padding:0;list-style:none}
    .value-list li{display:grid;grid-template-columns:42px 1fr;gap:13px;padding:15px 0;border-bottom:1px solid var(--line)}
    .value-list b{display:block;margin-bottom:2px;font-size:14px}.value-list span{display:block;color:var(--muted);font-size:13px}
    .value-symbol{width:32px;height:32px;display:grid;place-items:center;color:var(--cyan);border:1px solid rgba(0,240,255,.38);border-radius:8px;background:rgba(0,240,255,.07);font-size:14px;font-weight:900}
    .workflow{padding-bottom:85px}
    .workflow-top{display:flex;justify-content:space-between;align-items:end;gap:30px;margin-bottom:33px}
    .workflow-top .section-heading{margin-bottom:0}
    .workflow-alert{max-width:278px;padding:11px 14px;border-left:2px solid var(--warning);color:#e5d9b2;background:rgba(255,212,94,.06);font-size:12px}
    .flow{display:grid;grid-template-columns:repeat(4,1fr);border-top:1px solid var(--line);border-bottom:1px solid var(--line)}
    .flow-step{position:relative;min-height:248px;padding:26px 25px 25px;border-right:1px solid var(--line)}
    .flow-step:last-child{border-right:0}
    .flow-no{display:inline-block;margin-bottom:44px;color:var(--cyan);font-size:12px;font-weight:900;letter-spacing:.1em}
    .flow-step h3{margin-bottom:8px;font-size:17px}.flow-step p{margin:0;color:var(--muted);font-size:13px}
    .flow-step:after{content:"→";position:absolute;right:-9px;top:48px;z-index:2;color:var(--cyan);font-size:20px}
    .flow-step:last-child:after{display:none}
    .payments{padding-top:78px;padding-bottom:80px;background:linear-gradient(105deg,#0c1728,#0d1020 56%,#071a2c)}
    .payments-grid{display:grid;grid-template-columns:.8fr 1.2fr;gap:57px;align-items:center}
    .payment-feature{padding:29px;border:1px solid rgba(0,240,255,.26);border-radius:18px;background:rgba(5,12,25,.48)}
    .payment-feature h2{font-size:30px}.payment-feature p{color:var(--muted)}
    .pay-list{display:grid;grid-template-columns:repeat(3,1fr);gap:10px;margin-top:22px}
    .pay-badge{padding:15px 11px;border:1px solid var(--line);border-radius:10px;background:rgba(22,39,66,.68);text-align:center;font-size:12px;font-weight:900}
    .pay-badge span{display:block;margin-top:3px;color:var(--cyan);font-size:10px;letter-spacing:.07em}
    .payment-note{color:#bed0e5;font-size:13px;line-height:1.7}
    .payment-note strong{color:var(--warning)}
    .news{padding:89px 0;background:linear-gradient(180deg,rgba(15,25,43,.33),transparent)}
    .news-grid{display:grid;grid-template-columns:1.35fr .65fr;gap:48px}
    .news-list{border-top:1px solid var(--line)}
    .news-item{display:grid;grid-template-columns:98px 1fr auto;gap:18px;align-items:center;padding:19px 0;border-bottom:1px solid var(--line);transition:.2s ease}
    .news-item:hover{padding-left:10px;border-color:rgba(0,240,255,.4)}
    .news-date{color:var(--dim);font-size:11px;font-weight:800;line-height:1.45;text-transform:uppercase;letter-spacing:.08em}
    .news-item h3{margin:0 0 4px;font-size:16px;line-height:1.32}.news-item p{margin:0;color:var(--muted);font-size:12px}
    .news-arrow{color:var(--cyan);font-size:22px}
    .news-side{padding:26px;border:1px solid var(--line);border-radius:16px;background:linear-gradient(145deg,rgba(22,39,68,.67),rgba(9,15,28,.7))}
    .news-side img{width:100%;height:154px;object-fit:cover;margin-bottom:19px;border-radius:10px}
    .news-side h3{margin-bottom:9px;font-size:20px;line-height:1.27}.news-side p{color:var(--muted);font-size:13px}
    .text-link{display:inline-flex;gap:8px;align-items:center;color:var(--cyan);font-size:13px;font-weight:850}
    .text-link:hover{color:#fff}
    .faq{padding-top:80px;padding-bottom:90px}
    .faq-layout{display:grid;grid-template-columns:.75fr 1.25fr;gap:59px;align-items:start}
    .faq-intro{position:sticky;top:102px}.faq-intro p{color:var(--muted)}
    .faq-list{border-top:1px solid var(--line)}
    .faq-item{border-bottom:1px solid var(--line)}
    .faq-question{display:flex;width:100%;align-items:center;justify-content:space-between;gap:20px;padding:20px 0;color:#fff;background:transparent;text-align:left;font-weight:850;font-size:16px}
    .faq-question span:last-child{color:var(--cyan);font-size:22px;font-weight:400;transition:.2s ease}
    .faq-item.open .faq-question span:last-child{transform:rotate(45deg)}
    .faq-answer{display:none;max-width:750px;padding:0 35px 20px 0;color:var(--muted);font-size:14px}
    .faq-item.open .faq-answer{display:block}
    .download{position:relative;padding:74px 0;overflow:hidden;background:#071a2d;border-top:1px solid rgba(0,240,255,.24)}
    .download:before{content:"";position:absolute;inset:0;background:linear-gradient(90deg,rgba(0,82,255,.24),transparent 46%),url("/assets/images/backpic/back-2.jpg") center/cover;opacity:.48}
    .download-inner{position:relative;display:grid;grid-template-columns:1.12fr .88fr;gap:50px;align-items:center}
    .download h2{max-width:650px;margin-bottom:12px;font-size:clamp(30px,3.6vw,49px)}
    .download p{max-width:660px;color:#cedbec}
    .download-points{display:flex;gap:18px;flex-wrap:wrap;margin-top:25px;color:var(--cyan-soft);font-size:12px;font-weight:800}
    .download-points span:before{content:"✓";margin-right:7px;color:var(--good)}
    .lead-form{padding:22px;border:1px solid rgba(0,240,255,.48);border-radius:16px;background:rgba(5,13,26,.83);box-shadow:var(--shadow);backdrop-filter:blur(10px)}
    .lead-form h3{margin-bottom:7px;font-size:20px}.lead-form p{margin-bottom:17px;color:var(--muted);font-size:12px}
    .field{width:100%;height:46px;margin-bottom:11px;padding:0 13px;border:1px solid rgba(126,170,235,.3);border-radius:9px;color:#fff;background:rgba(255,255,255,.06)}
    .field::placeholder{color:#8292aa}.field:focus{border-color:var(--cyan);background:rgba(0,240,255,.06)}
    .lead-form .button{width:100%}.form-note{margin:10px 0 0!important;color:#8fa2ba!important;font-size:10px!important;line-height:1.45}
    .site-footer{padding:52px 0 24px;background:#06070c}
    .footer-grid{display:grid;grid-template-columns:1.25fr .7fr .9fr;gap:52px;padding-bottom:38px;border-bottom:1px solid rgba(155,185,230,.15)}
    .footer-brand .brand{margin-bottom:16px}.footer-brand p{max-width:415px;color:var(--muted);font-size:13px}
    .footer-title{margin:0 0 15px;color:#fff;font-size:13px;font-weight:900;letter-spacing:.06em;text-transform:uppercase}
    .footer-links{display:grid;gap:9px}.footer-links a{color:var(--muted);font-size:13px}.footer-links a:hover{color:var(--cyan)}
    .compliance{display:flex;gap:10px;align-items:flex-start;color:var(--muted);font-size:12px}.compliance strong{display:block;color:#dbe9f6;font-size:13px}
    .age{display:grid;place-items:center;width:38px;height:38px;flex:0 0 38px;border:1px solid var(--warning);border-radius:50%;color:var(--warning);font-size:12px;font-weight:950}
    .footer-bottom{display:flex;justify-content:space-between;gap:18px;padding-top:20px;color:#728198;font-size:11px}.footer-bottom a:hover{color:var(--cyan)}
    .fab{
      position:fixed;left:16px;bottom:96px;z-index:45;width:58px;height:58px;display:grid;place-items:center;
      color:var(--cyan);border:1px solid transparent;border-radius:17px;
      background:linear-gradient(#070d19,#070d19) padding-box,linear-gradient(135deg,var(--cyan),var(--blue),var(--cyan)) border-box;
      box-shadow:0 0 18px rgba(0,240,255,.48);opacity:.7;
      transition:.22s ease;animation:fabGlow 3s infinite;
    }
    .fab:before{content:"";position:absolute;right:7px;top:7px;width:7px;height:7px;border-radius:50%;background:var(--danger);box-shadow:0 0 10px var(--danger);animation:blink 1s infinite}
    .fab:hover{opacity:1;transform:scale(1.1);box-shadow:0 0 32px rgba(0,240,255,.75)}.fab:hover svg{animation:flicker .45s linear}
    .fab:active{transform:scale(.95)}.fab svg{width:25px;height:25px;filter:drop-shadow(0 0 5px var(--cyan))}
    @keyframes fabGlow{50%{box-shadow:0 0 26px rgba(0,240,255,.7)}}@keyframes blink{50%{opacity:.18}}@keyframes flicker{20%,60%{opacity:.25}40%,80%{opacity:1}}
    @media(max-width:1024px){
      .nav-links{gap:0}.nav-links a{padding:8px 8px;font-size:12px}.hero-grid{gap:30px}.catalog-layout,.value-layout,.payments-grid,.faq-layout{gap:35px}.flow-step{padding:22px 17px}.news-grid{gap:32px}
    }
    @media(max-width:768px){
      .container{width:min(calc(100% - 32px),var(--container))}
      .nav-shell{min-height:66px;gap:9px}.brand{min-width:0;margin-right:auto}.brand-title{max-width:134px;font-size:10px}.brand-mark{width:33px;height:33px;flex-basis:33px}
      .menu-toggle{display:grid;place-items:center;order:2}.nav-actions{order:3;gap:3px}.login-link{padding:7px 4px;font-size:11px}.nav-actions .button{min-height:37px;padding:9px 10px;font-size:11px}
      .nav-links{display:none;position:absolute;top:66px;left:0;right:0;padding:13px 16px 17px;border-bottom:1px solid var(--line);background:rgba(8,9,15,.97);box-shadow:0 16px 28px rgba(0,0,0,.3)}
      .nav-links.open{display:grid;grid-template-columns:1fr 1fr}.nav-links a{padding:11px 10px;font-size:13px}
      .hero{min-height:auto;padding:57px 0 55px}.hero-grid{grid-template-columns:1fr;gap:31px}.hero-check{max-width:520px}.hero-lead{font-size:15px}
      h1{font-size:clamp(32px,8.5vw,50px)}.section{padding:65px 0}.catalog{padding-top:61px}.catalog-layout,.value-layout,.payments-grid,.faq-layout,.download-inner{grid-template-columns:1fr}.catalog-aside,.faq-intro{position:static}.directory{max-width:650px}.photo-frame img{height:350px}.value-copy{order:-1}.workflow-top{display:block}.workflow-alert{margin-top:20px}.flow{grid-template-columns:1fr 1fr}.flow-step:nth-child(2){border-right:0}.flow-step:nth-child(-n+2){border-bottom:1px solid var(--line)}.flow-step:after{display:none}.flow-no{margin-bottom:22px}.news-grid{grid-template-columns:1fr}.news-side{max-width:530px}.footer-grid{grid-template-columns:1fr 1fr;gap:31px}.footer-brand{grid-column:1/-1}
    }
    @media(max-width:520px){
      .brand-title small{display:none}.brand-title{max-width:105px}.nav-actions .button{padding:8px 8px}.login-link{display:none}.menu-toggle{margin-left:auto}
      .hero{padding-top:43px}.eyebrow{font-size:10px}.offer-row{align-items:flex-start}.hero-buttons .button{width:100%}.proof-strip{gap:13px}.proof-item{font-size:11px}.hero-check{padding:19px}
      .section-heading{margin-bottom:26px}.directory{grid-template-columns:1fr}.directory-item{min-height:121px}.catalog-stats{gap:20px}.photo-frame img{height:280px}
      .pay-list{grid-template-columns:1fr}.payment-feature{padding:21px}.news-item{grid-template-columns:73px 1fr;gap:12px}.news-arrow{display:none}.news-item h3{font-size:14px}.news-item p{font-size:11px}
      .faq-question{font-size:14px}.faq-answer{padding-right:5px;font-size:13px}.download{padding:57px 0}.footer-grid{grid-template-columns:1fr}.footer-brand{grid-column:auto}.footer-bottom{display:block;line-height:1.9}.fab{bottom:76px;left:13px;width:52px;height:52px}
    }

/* roulang page: article */
:root{
      --bg:#08090f;
      --bg-soft:#0d111e;
      --panel:#111a2d;
      --panel-2:#15223b;
      --line:rgba(113,171,255,.19);
      --line-strong:rgba(0,240,255,.5);
      --blue:#0052ff;
      --cyan:#00f0ff;
      --cyan-soft:#9cf8ff;
      --text:#f8fbff;
      --muted:#afbdd0;
      --dim:#78889e;
      --good:#77faac;
      --warning:#ffd45e;
      --danger:#ff5977;
      --radius:20px;
      --radius-sm:12px;
      --shadow:0 24px 60px rgba(0,0,0,.32);
      --container:1180px;
      --font:Inter,ui-sans-serif,system-ui,-apple-system,BlinkMacSystemFont,"Segoe UI",Arial,sans-serif;
    }
    *{box-sizing:border-box}
    html{scroll-behavior:smooth}
    body{
      margin:0;color:var(--text);font-family:var(--font);font-size:16px;line-height:1.62;
      background:
        radial-gradient(circle at 12% 8%,rgba(0,82,255,.17),transparent 26rem),
        radial-gradient(circle at 91% 33%,rgba(0,240,255,.10),transparent 27rem),
        var(--bg);
      overflow-x:hidden;
    }
    body:before{
      content:"";position:fixed;inset:0;pointer-events:none;z-index:-1;opacity:.22;
      background-image:linear-gradient(rgba(115,154,210,.075) 1px,transparent 1px),linear-gradient(90deg,rgba(115,154,210,.075) 1px,transparent 1px);
      background-size:42px 42px;mask-image:linear-gradient(to bottom,#000,transparent 76%);
    }
    a{color:inherit;text-decoration:none}
    button,input{font:inherit}
    button{border:0;cursor:pointer}
    img{display:block;max-width:100%}
    h1,h2,h3,p{margin-top:0}
    h1,h2,h3{line-height:1.18;letter-spacing:-.028em}
    .container{width:min(calc(100% - 48px),var(--container));margin:auto}
    .site-header{
      position:sticky;top:0;z-index:40;border-bottom:1px solid rgba(112,165,255,.13);
      background:rgba(8,9,15,.83);backdrop-filter:blur(18px);
    }
    .nav-shell{min-height:76px;display:flex;align-items:center;gap:22px}
    .brand{display:flex;align-items:center;gap:10px;min-width:172px}
    .brand-mark{
      position:relative;width:37px;height:37px;display:grid;place-items:center;flex:0 0 37px;
      color:var(--cyan);font-weight:900;font-size:14px;letter-spacing:-1px;
      background:linear-gradient(145deg,#17376b,#071425);border:1px solid var(--line-strong);
      clip-path:polygon(18% 0,100% 0,100% 77%,78% 100%,0 100%,0 20%);
      box-shadow:0 0 20px rgba(0,240,255,.22);
    }
    .brand-title{max-width:163px;font-size:12px;line-height:1.23;font-weight:850;letter-spacing:.02em}
    .brand-title small{display:block;margin-top:3px;color:var(--cyan);font-size:10px;font-weight:700}
    .nav-links{display:flex;align-items:center;justify-content:center;gap:3px;flex:1}
    .nav-links a{
      padding:9px 12px;border-radius:8px;color:var(--muted);font-size:13px;font-weight:700;
      white-space:nowrap;transition:.22s ease;
    }
    .nav-links a:hover,.nav-links a.active{color:#fff;background:rgba(0,82,255,.18)}
    .nav-links a.active{box-shadow:inset 0 -2px 0 var(--cyan)}
    .nav-actions{display:flex;align-items:center;gap:9px}
    .login-link{padding:8px 5px;color:var(--muted);font-size:13px;font-weight:800;white-space:nowrap;transition:color .2s ease}
    .login-link:hover{color:var(--cyan)}
    .button{
      display:inline-flex;align-items:center;justify-content:center;gap:8px;min-height:44px;padding:11px 18px;
      border-radius:10px;color:#fff;font-size:14px;font-weight:850;line-height:1;transition:transform .2s ease,box-shadow .2s ease,background .2s ease,border-color .2s ease;
    }
    .button:focus-visible,.nav-links a:focus-visible,.login-link:focus-visible,.faq-question:focus-visible,.gallery-control:focus-visible{outline:3px solid rgba(0,240,255,.58);outline-offset:3px}
    .button:hover{transform:translateY(-2px)}
    .button:active{transform:translateY(1px) scale(.98)}
    .button-primary{background:linear-gradient(135deg,var(--blue),#0877ff 52%,var(--cyan));box-shadow:0 8px 28px rgba(0,82,255,.33),0 0 18px rgba(0,240,255,.15)}
    .button-primary:hover{box-shadow:0 12px 32px rgba(0,82,255,.48),0 0 26px rgba(0,240,255,.32)}
    .button-outline{border:1px solid rgba(0,240,255,.52);background:rgba(1,15,29,.55);color:var(--cyan-soft)}
    .button-outline:hover{background:rgba(0,240,255,.1);border-color:var(--cyan);color:#fff}
    .menu-toggle{display:none;width:42px;height:42px;background:transparent;color:#fff;border:1px solid var(--line);border-radius:10px}
    .article-hero{
      position:relative;isolation:isolate;overflow:hidden;padding:74px 0 60px;border-bottom:1px solid var(--line);
      background:linear-gradient(100deg,rgba(8,9,15,.97),rgba(8,9,15,.72)),url("/assets/images/backpic/back-2.jpg") center/cover no-repeat;
    }
    .article-hero:after{
      content:"";position:absolute;width:570px;height:570px;right:-210px;top:-280px;z-index:-1;border:1px solid rgba(0,240,255,.24);border-radius:50%;
      box-shadow:0 0 0 48px rgba(0,82,255,.06),0 0 0 105px rgba(0,240,255,.035),0 0 110px rgba(0,240,255,.16);
    }
    .crumbs{display:flex;align-items:center;flex-wrap:wrap;gap:9px;margin-bottom:23px;color:var(--muted);font-size:13px;font-weight:700}
    .crumbs a:hover{color:var(--cyan)}
    .crumbs i{width:5px;height:5px;border-radius:50%;background:var(--cyan);opacity:.7}
    .article-hero-grid{display:grid;grid-template-columns:minmax(0,1.2fr) minmax(310px,.8fr);gap:50px;align-items:end}
    .eyebrow{display:inline-flex;align-items:center;gap:8px;margin-bottom:16px;color:var(--cyan);font-size:12px;font-weight:850;letter-spacing:.11em;text-transform:uppercase}
    .eyebrow:before{content:"";width:20px;height:2px;background:var(--cyan);box-shadow:0 0 10px var(--cyan)}
    .article-hero h1{max-width:770px;margin-bottom:18px;font-size:clamp(32px,4vw,55px)}
    .article-hero h1 strong{color:var(--cyan);font-weight:inherit}
    .hero-summary{max-width:740px;margin-bottom:24px;color:#d3deec;font-size:17px;line-height:1.7}
    .hero-meta{display:flex;gap:18px;flex-wrap:wrap;color:var(--muted);font-size:13px;font-weight:700}
    .meta-dot{display:inline-flex;align-items:center;gap:8px}
    .meta-dot:before{content:"";width:7px;height:7px;border-radius:50%;background:var(--good);box-shadow:0 0 10px rgba(119,250,172,.8)}
    .support-panel{
      position:relative;padding:26px;overflow:hidden;background:linear-gradient(145deg,rgba(22,42,78,.9),rgba(7,14,27,.86));
      border:1px solid rgba(0,240,255,.38);clip-path:polygon(0 0,92% 0,100% 9%,100% 100%,8% 100%,0 91%);
      box-shadow:var(--shadow),inset 0 1px 0 rgba(255,255,255,.09),0 0 38px rgba(0,82,255,.18);
    }
    .support-panel:before{content:"";position:absolute;right:7%;top:0;width:60px;height:2px;background:var(--cyan);box-shadow:0 0 15px var(--cyan)}
    .support-label{margin-bottom:12px;color:var(--cyan);font-size:11px;font-weight:850;letter-spacing:.1em;text-transform:uppercase}
    .progress-cluster{display:flex;align-items:center;gap:19px}
    .progress-ring{
      width:94px;height:94px;display:grid;place-items:center;flex:0 0 94px;border-radius:50%;
      background:conic-gradient(var(--cyan) 0 72%,rgba(107,154,223,.16) 72% 100%);
      box-shadow:0 0 24px rgba(0,240,255,.18);
    }
    .progress-ring:before{content:"";position:absolute;width:76px;height:76px;border-radius:50%;background:var(--panel)}
    .progress-ring b{z-index:1;font-size:20px}
    .support-panel h2{margin:0 0 3px;font-size:21px}
    .support-panel p{margin:0;color:var(--muted);font-size:13px;line-height:1.55}
    .tier-list{display:grid;gap:8px;margin:21px 0}
    .tier{display:flex;align-items:center;justify-content:space-between;gap:10px;padding:9px 11px;border:1px solid var(--line);background:rgba(8,15,29,.47);font-size:12px}
    .tier strong{color:#fff}.tier span{color:var(--cyan-soft);font-weight:800}.tier.hot{border-color:rgba(0,240,255,.5)}
    .tier.hot:after{content:"Đang ưu tiên";color:var(--good);font-size:10px;font-weight:850}
    .section{padding:82px 0}
    .section-kicker{margin-bottom:10px;color:var(--cyan);font-size:12px;font-weight:850;letter-spacing:.1em;text-transform:uppercase}
    .section-heading{max-width:730px;margin-bottom:32px}
    .section-heading h2{margin-bottom:12px;font-size:clamp(27px,3.2vw,40px)}
    .section-heading p{margin-bottom:0;color:var(--muted)}
    .article-layout{display:grid;grid-template-columns:minmax(0,1fr) 300px;gap:58px;align-items:start}
    .article-content{min-width:0;font-size:16px;color:#d8e2ef}
    .article-content>*:last-child{margin-bottom:0}
    .article-content h2{margin:42px 0 16px;color:#fff;font-size:29px}
    .article-content h3{margin:30px 0 12px;color:var(--cyan-soft);font-size:21px}
    .article-content p{margin-bottom:18px}
    .article-content a{color:var(--cyan);font-weight:750;text-decoration:underline;text-decoration-color:rgba(0,240,255,.4);text-underline-offset:3px}
    .article-content ul,.article-content ol{padding-left:22px;margin:0 0 21px}
    .article-content li{margin:9px 0;padding-left:4px}
    .article-content blockquote{margin:29px 0;padding:17px 20px;border-left:3px solid var(--cyan);background:rgba(0,82,255,.1);color:#e8f7ff;font-weight:650}
    .article-content img{margin:28px 0;border:1px solid var(--line);border-radius:var(--radius-sm)}
    .article-content table{width:100%;margin:25px 0;border-collapse:collapse;overflow:hidden;border:1px solid var(--line);font-size:14px}
    .article-content th,.article-content td{padding:12px;text-align:left;border:1px solid var(--line)}
    .article-content th{color:var(--cyan-soft);background:rgba(0,82,255,.15)}
    .article-aside{position:sticky;top:100px}
    .aside-box{padding:20px;border:1px solid var(--line);background:rgba(17,26,45,.78);box-shadow:var(--shadow)}
    .aside-box h2{margin-bottom:13px;font-size:18px}
    .aside-links{display:grid}
    .aside-links a{padding:11px 0;border-top:1px solid var(--line);color:var(--muted);font-size:13px;font-weight:700;transition:.2s ease}
    .aside-links a:hover{padding-left:6px;color:var(--cyan)}
    .aside-note{margin-top:15px;padding-top:14px;border-top:1px solid var(--line);color:var(--dim);font-size:12px;line-height:1.55}
    .audit-section{padding-top:30px}
    .signal-grid{display:grid;grid-template-columns:.95fr 1.05fr;gap:55px;align-items:start}
    .signal-list{margin:0;padding:0;list-style:none;border-top:1px solid var(--line)}
    .signal-list li{display:grid;grid-template-columns:38px 1fr;gap:15px;padding:17px 0;border-bottom:1px solid var(--line)}
    .signal-number{display:grid;place-items:center;width:32px;height:32px;color:var(--cyan);font-size:12px;font-weight:900;background:rgba(0,82,255,.17);border:1px solid rgba(0,240,255,.37);clip-path:polygon(20% 0,100% 0,100% 76%,78% 100%,0 100%,0 20%)}
    .signal-list strong{display:block;margin-bottom:4px;color:#fff;font-size:16px}
    .signal-list p{margin:0;color:var(--muted);font-size:14px}
    .parameter-panel{padding:24px;border:1px solid var(--line);background:linear-gradient(150deg,rgba(20,37,67,.78),rgba(10,15,27,.74));box-shadow:var(--shadow)}
    .parameter-panel h3{margin-bottom:4px;font-size:22px}
    .parameter-panel>p{margin-bottom:18px;color:var(--muted);font-size:14px}
    .parameter-table{width:100%;border-collapse:collapse;font-size:14px}
    .parameter-table th,.parameter-table td{padding:13px 0;text-align:left;border-bottom:1px solid var(--line)}
    .parameter-table th{width:46%;color:var(--muted);font-weight:650}
    .parameter-table td{color:#fff;font-weight:800}
    .status-good{display:inline-flex;align-items:center;gap:6px;color:var(--good)}
    .status-good:before{content:"";width:7px;height:7px;border-radius:50%;background:currentColor;box-shadow:0 0 9px currentColor}
    .warning-strip{display:flex;gap:11px;align-items:flex-start;margin-top:19px;padding:13px 14px;border-left:2px solid var(--warning);background:rgba(255,212,94,.08);color:#f7df94;font-size:13px;line-height:1.5}
    .warning-strip b{color:var(--warning)}
    .visual-section{padding:34px 0 82px}
    .gallery-wrap{position:relative;overflow:hidden;border:1px solid var(--line);background:#0b1220;box-shadow:var(--shadow)}
    .gallery-track{display:flex;transition:transform .48s cubic-bezier(.2,.7,.2,1)}
    .gallery-slide{position:relative;min-width:100%;height:390px}
    .gallery-slide img{width:100%;height:100%;object-fit:cover;opacity:.7}
    .gallery-slide:after{content:"";position:absolute;inset:0;background:linear-gradient(90deg,rgba(5,9,17,.86),rgba(5,9,17,.1) 70%)}
    .slide-copy{position:absolute;z-index:1;left:38px;bottom:31px;max-width:485px}
    .slide-copy span{display:inline-block;margin-bottom:8px;color:var(--cyan);font-size:11px;font-weight:900;letter-spacing:.11em;text-transform:uppercase}
    .slide-copy h3{margin-bottom:5px;font-size:26px}.slide-copy p{margin:0;color:#d6e2f2;font-size:14px}
    .gallery-controls{position:absolute;right:18px;bottom:18px;z-index:2;display:flex;gap:8px}
    .gallery-control{display:grid;place-items:center;width:41px;height:41px;color:#fff;background:rgba(8,16,32,.8);border:1px solid rgba(0,240,255,.43);font-size:19px;transition:.2s ease}
    .gallery-control:hover{color:var(--cyan);background:rgba(0,82,255,.3);transform:translateY(-2px)}
    .gallery-dots{position:absolute;z-index:2;top:19px;right:21px;display:flex;gap:7px}
    .gallery-dot{width:7px;height:7px;padding:0;border-radius:50%;background:#7e91aa;transition:.2s ease}
    .gallery-dot.active{width:22px;border-radius:8px;background:var(--cyan);box-shadow:0 0 11px var(--cyan)}
    .faq-section{border-top:1px solid var(--line);background:linear-gradient(180deg,rgba(10,20,38,.35),transparent)}
    .faq-grid{display:grid;grid-template-columns:.7fr 1.3fr;gap:70px}
    .faq-intro h2{margin-bottom:14px;font-size:clamp(28px,3vw,39px)}
    .faq-intro p{color:var(--muted)}
    .faq-list{border-top:1px solid var(--line)}
    .faq-item{border-bottom:1px solid var(--line)}
    .faq-question{display:flex;align-items:center;justify-content:space-between;width:100%;padding:20px 0;color:#fff;background:transparent;text-align:left;font-size:16px;font-weight:800}
    .faq-question span:last-child{color:var(--cyan);font-size:23px;font-weight:400;transition:transform .2s ease}
    .faq-item.open .faq-question span:last-child{transform:rotate(45deg)}
    .faq-answer{display:none;padding:0 34px 19px 0;color:var(--muted);font-size:14px}
    .faq-item.open .faq-answer{display:block}
    .cta-section{padding:0 0 88px}
    .cta-box{
      position:relative;overflow:hidden;padding:48px;display:flex;align-items:center;justify-content:space-between;gap:30px;
      border:1px solid rgba(0,240,255,.37);background:linear-gradient(125deg,rgba(0,45,136,.45),rgba(13,24,44,.94) 57%,rgba(0,240,255,.1));
      box-shadow:var(--shadow),0 0 45px rgba(0,82,255,.17);
    }
    .cta-box:after{content:"";position:absolute;right:-70px;bottom:-120px;width:270px;height:270px;border:1px solid rgba(0,240,255,.25);border-radius:50%;box-shadow:0 0 0 33px rgba(0,240,255,.05)}
    .cta-box h2{max-width:670px;margin-bottom:9px;font-size:clamp(26px,3.1vw,39px)}
    .cta-box p{max-width:670px;margin:0;color:#cbd9eb}
    .cta-actions{position:relative;z-index:1;display:flex;gap:10px;flex-shrink:0;flex-wrap:wrap}
    .site-footer{padding:55px 0 0;border-top:1px solid var(--line);background:#070a11}
    .footer-grid{display:grid;grid-template-columns:1.25fr .65fr 1fr;gap:55px;padding-bottom:42px}
    .footer-brand p{max-width:430px;margin:18px 0 0;color:var(--muted);font-size:13px}
    .footer-title{margin:6px 0 15px;color:#fff;font-size:14px;letter-spacing:.02em}
    .footer-links{display:grid;gap:9px}
    .footer-links a{color:var(--muted);font-size:13px;font-weight:650;transition:.2s ease}
    .footer-links a:hover{color:var(--cyan);padding-left:4px}
    .compliance{display:flex;align-items:flex-start;gap:12px;color:var(--muted);font-size:12px;line-height:1.55}
    .compliance strong{display:block;margin-bottom:3px;color:#fff;font-size:13px}
    .age{display:grid;place-items:center;width:38px;height:38px;flex:0 0 38px;color:var(--warning);font-weight:900;border:1px solid rgba(255,212,94,.48);background:rgba(255,212,94,.08)}
    .footer-bottom{display:flex;justify-content:space-between;gap:20px;padding:19px 0;border-top:1px solid var(--line);color:var(--dim);font-size:11px}
    .fab{
      position:fixed;left:16px;bottom:96px;z-index:50;display:flex;align-items:center;justify-content:center;width:58px;height:58px;
      color:var(--cyan);background:rgba(3,11,24,.78);border:1px solid transparent;border-radius:18px;
      background-image:linear-gradient(rgba(3,11,24,.9),rgba(3,11,24,.9)),linear-gradient(135deg,var(--cyan),var(--blue),#8a37ff);
      background-origin:border-box;background-clip:padding-box,border-box;box-shadow:0 0 16px rgba(0,240,255,.45);opacity:.7;
      animation:fabBreath 2.8s ease-in-out infinite;transition:.25s ease;
    }
    .fab:before{content:"";position:absolute;top:8px;right:9px;width:7px;height:7px;border-radius:50%;background:var(--danger);box-shadow:0 0 10px var(--danger);animation:blink 1s infinite}
    .fab svg{width:27px;height:27px;filter:drop-shadow(0 0 7px var(--cyan))}
    .fab:hover{opacity:1;transform:scale(1.1);box-shadow:0 0 28px rgba(0,240,255,.78)}
    .fab:active{transform:scale(.95)}
    @keyframes fabBreath{50%{opacity:1;box-shadow:0 0 25px rgba(0,240,255,.68)}}
    @keyframes blink{50%{opacity:.25}}
    @media (max-width:1024px){
      .nav-shell{gap:12px}.brand{min-width:152px}.nav-links a{padding:9px 8px;font-size:12px}
      .article-layout{gap:35px;grid-template-columns:minmax(0,1fr) 260px}.article-hero-grid{gap:30px}
      .signal-grid,.faq-grid{gap:40px}.footer-grid{gap:35px}
    }
    @media (max-width:768px){
      .container{width:min(calc(100% - 32px),var(--container))}
      .nav-shell{min-height:68px;flex-wrap:wrap;padding:12px 0}
      .brand{margin-right:auto}.menu-toggle{display:grid;place-items:center;order:2}
      .nav-actions{order:1}.login-link{display:none}
      .nav-links{display:none;order:3;flex-basis:100%;justify-content:flex-start;overflow:auto;padding:4px 0 2px}
      .nav-links.show{display:flex}.nav-links a{padding:9px 11px}
      .article-hero{padding:52px 0 48px}.article-hero-grid,.article-layout,.signal-grid,.faq-grid{grid-template-columns:1fr}
      .support-panel{max-width:500px}.article-aside{position:static;display:none}
      .section{padding:62px 0}.visual-section{padding-bottom:62px}.cta-section{padding-bottom:62px}
      .footer-grid{grid-template-columns:1fr 1fr}.footer-brand{grid-column:1/-1}.cta-box{padding:35px;display:block}.cta-actions{margin-top:23px}
      .gallery-slide{height:345px}
    }
    @media (max-width:520px){
      body{font-size:15px}.container{width:min(calc(100% - 28px),var(--container))}
      .brand-title{max-width:142px;font-size:10px}.brand-title small{font-size:9px}
      .nav-actions .button{min-height:38px;padding:9px 11px;font-size:12px}.menu-toggle{width:39px;height:39px}
      .article-hero h1{font-size:31px}.hero-summary{font-size:15px}.progress-cluster{gap:14px}.progress-ring{width:78px;height:78px;flex-basis:78px}.progress-ring:before{width:63px;height:63px}
      .support-panel{padding:20px}.section-heading h2,.faq-intro h2{font-size:28px}.article-content h2{font-size:25px}.article-content table{font-size:12px}.article-content th,.article-content td{padding:9px}
      .parameter-panel{padding:18px}.gallery-slide{height:320px}.slide-copy{left:21px;right:18px;bottom:20px}.slide-copy h3{font-size:22px}.gallery-controls{right:12px;bottom:12px}
      .footer-grid{grid-template-columns:1fr;gap:28px}.footer-brand{grid-column:auto}.footer-bottom{display:grid;gap:7px}.cta-box{padding:26px 22px}.cta-actions .button{width:100%}
      .fab{bottom:78px;width:52px;height:52px}.fab svg{width:24px;height:24px}
    }

/* roulang page: category1 */
:root{
      --bg:#08090f;
      --bg-soft:#0d111e;
      --panel:#111a2d;
      --panel-2:#15223b;
      --panel-glass:rgba(17,26,45,.72);
      --line:rgba(113,171,255,.19);
      --line-strong:rgba(0,240,255,.5);
      --blue:#0052ff;
      --cyan:#00f0ff;
      --cyan-soft:#9cf8ff;
      --text:#f8fbff;
      --muted:#afbdd0;
      --dim:#78889e;
      --good:#77faac;
      --warning:#ffd45e;
      --danger:#ff5977;
      --radius:20px;
      --radius-sm:12px;
      --shadow:0 24px 60px rgba(0,0,0,.32);
      --container:1180px;
      --font:Inter,ui-sans-serif,system-ui,-apple-system,BlinkMacSystemFont,"Segoe UI",Arial,sans-serif;
    }
    *{box-sizing:border-box}
    html{scroll-behavior:smooth}
    body{
      margin:0;
      color:var(--text);
      font-family:var(--font);
      font-size:16px;
      line-height:1.62;
      background:
        radial-gradient(circle at 12% 8%,rgba(0,82,255,.17),transparent 26rem),
        radial-gradient(circle at 91% 33%,rgba(0,240,255,.10),transparent 27rem),
        var(--bg);
      overflow-x:hidden;
    }
    body:before{
      content:"";
      position:fixed;
      inset:0;
      pointer-events:none;
      z-index:-1;
      opacity:.22;
      background-image:linear-gradient(rgba(115,154,210,.075) 1px,transparent 1px),linear-gradient(90deg,rgba(115,154,210,.075) 1px,transparent 1px);
      background-size:42px 42px;
      mask-image:linear-gradient(to bottom,#000,transparent 76%);
    }
    a{color:inherit;text-decoration:none}
    button,input{font:inherit}
    button{border:0;cursor:pointer}
    img{display:block;max-width:100%}
    h1,h2,h3,p{margin-top:0}
    h1,h2,h3{letter-spacing:-.035em;line-height:1.15}
    .container{width:min(calc(100% - 48px),var(--container));margin:auto}

    .site-header{
      position:sticky;
      top:0;
      z-index:40;
      border-bottom:1px solid rgba(112,165,255,.13);
      background:rgba(8,9,15,.83);
      backdrop-filter:blur(18px);
    }
    .nav-shell{min-height:76px;display:flex;align-items:center;gap:22px}
    .brand{display:flex;align-items:center;gap:10px;min-width:172px}
    .brand-mark{
      position:relative;
      width:37px;
      height:37px;
      display:grid;
      place-items:center;
      flex:0 0 37px;
      color:var(--cyan);
      font-weight:900;
      font-size:14px;
      letter-spacing:-1px;
      background:linear-gradient(145deg,#17376b,#071425);
      border:1px solid var(--line-strong);
      clip-path:polygon(18% 0,100% 0,100% 77%,78% 100%,0 100%,0 20%);
      box-shadow:0 0 20px rgba(0,240,255,.22);
    }
    .brand-title{max-width:163px;font-size:12px;line-height:1.23;font-weight:850;letter-spacing:.02em}
    .brand-title small{display:block;margin-top:3px;color:var(--cyan);font-size:10px;font-weight:700}
    .nav-links{display:flex;align-items:center;justify-content:center;gap:3px;flex:1}
    .nav-links a{
      padding:9px 12px;
      border-radius:8px;
      color:var(--muted);
      font-size:13px;
      font-weight:700;
      white-space:nowrap;
      transition:.22s ease;
    }
    .nav-links a:hover,.nav-links a.active{color:#fff;background:rgba(0,82,255,.18)}
    .nav-links a.active{box-shadow:inset 0 -2px 0 var(--cyan)}
    .nav-actions{display:flex;align-items:center;gap:9px}
    .login-link{
      padding:9px 4px;
      color:var(--muted);
      font-size:13px;
      font-weight:800;
      white-space:nowrap;
      transition:color .2s ease;
    }
    .login-link:hover{color:var(--cyan)}
    .button{
      display:inline-flex;
      align-items:center;
      justify-content:center;
      gap:8px;
      min-height:44px;
      padding:11px 18px;
      border-radius:10px;
      color:#fff;
      font-size:14px;
      font-weight:850;
      line-height:1;
      transition:transform .2s ease,box-shadow .2s ease,background .2s ease,border-color .2s ease;
    }
    .button:focus-visible,.nav-links a:focus-visible,.login-link:focus-visible,.faq-question:focus-visible,.check-form input:focus-visible{outline:3px solid rgba(0,240,255,.58);outline-offset:3px}
    .button:hover{transform:translateY(-2px)}
    .button:active{transform:translateY(1px) scale(.98)}
    .button-primary{
      background:linear-gradient(135deg,var(--blue),#0877ff 52%,var(--cyan));
      box-shadow:0 8px 28px rgba(0,82,255,.33),0 0 18px rgba(0,240,255,.15);
    }
    .button-primary:hover{box-shadow:0 12px 32px rgba(0,82,255,.48),0 0 26px rgba(0,240,255,.32)}
    .button-outline{border:1px solid rgba(0,240,255,.52);background:rgba(1,15,29,.55);color:var(--cyan-soft)}
    .button-outline:hover{background:rgba(0,240,255,.1);border-color:var(--cyan);color:#fff}
    .menu-toggle{display:none;width:42px;height:42px;background:transparent;color:#fff;border:1px solid var(--line);border-radius:10px}
    .menu-toggle span,.menu-toggle:before,.menu-toggle:after{content:"";display:block;width:18px;height:2px;margin:4px auto;background:currentColor;transition:.2s}

    .hero{
      position:relative;
      isolation:isolate;
      overflow:hidden;
      padding:72px 0 64px;
      border-bottom:1px solid var(--line);
      min-height:530px;
    }
    .hero:before{
      content:"";
      position:absolute;
      inset:0;
      z-index:-2;
      background:
        linear-gradient(90deg,rgba(8,9,15,.96) 0%,rgba(8,9,15,.75) 52%,rgba(8,9,15,.86) 100%),
        url("/assets/images/backpic/back-2.jpg") center/cover no-repeat;
    }
    .hero:after{
      content:"";
      position:absolute;
      z-index:-1;
      width:520px;
      height:520px;
      right:-130px;
      top:-180px;
      border-radius:50%;
      border:1px solid rgba(0,240,255,.25);
      box-shadow:0 0 0 42px rgba(0,82,255,.05),0 0 0 87px rgba(0,240,255,.04),0 0 120px rgba(0,240,255,.18);
    }
    .hero-grid{display:grid;grid-template-columns:minmax(0,1.18fr) minmax(320px,.82fr);align-items:center;gap:58px}
    .eyebrow{display:inline-flex;align-items:center;gap:8px;margin-bottom:16px;color:var(--cyan);font-size:12px;font-weight:850;letter-spacing:.11em;text-transform:uppercase}
    .eyebrow:before{content:"";width:8px;height:8px;border-radius:50%;background:var(--good);box-shadow:0 0 12px var(--good)}
    h1{max-width:745px;margin-bottom:20px;font-size:clamp(33px,4.4vw,58px)}
    h1 em{font-style:normal;color:var(--cyan);text-shadow:0 0 26px rgba(0,240,255,.27)}
    .hero-lead{max-width:700px;margin-bottom:24px;color:#d2deee;font-size:17px;line-height:1.7}
    .hero-buttons{display:flex;gap:12px;flex-wrap:wrap}
    .proof-row{display:flex;flex-wrap:wrap;gap:14px 22px;margin-top:25px}
    .proof-item{display:flex;gap:9px;align-items:center;color:#d3deec;font-size:12px;font-weight:700}
    .proof-dot{width:8px;height:8px;border-radius:50%;background:var(--cyan);box-shadow:0 0 12px var(--cyan)}

    .launch-panel{
      position:relative;
      overflow:hidden;
      padding:27px;
      background:linear-gradient(145deg,rgba(22,42,78,.88),rgba(7,14,27,.84));
      border:1px solid rgba(0,240,255,.38);
      clip-path:polygon(0 0,92% 0,100% 8%,100% 100%,8% 100%,0 92%);
      box-shadow:var(--shadow),inset 0 1px 0 rgba(255,255,255,.09),0 0 38px rgba(0,82,255,.18);
    }
    .launch-panel:before{content:"";position:absolute;top:0;right:7%;width:58px;height:2px;background:var(--cyan);box-shadow:0 0 15px var(--cyan)}
    .panel-top{display:flex;align-items:center;justify-content:space-between;gap:16px;margin-bottom:21px}
    .panel-label{margin:0;color:var(--cyan-soft);font-size:12px;font-weight:850;letter-spacing:.08em;text-transform:uppercase}
    .live-state{display:flex;align-items:center;gap:6px;color:var(--good);font-size:11px;font-weight:850}
    .live-state:before{content:"";width:7px;height:7px;border-radius:50%;background:var(--good);box-shadow:0 0 12px var(--good);animation:pulse 1.6s infinite}
    .timer-wrap{display:flex;align-items:center;gap:21px}
    .count-ring{
      width:112px;
      height:112px;
      display:grid;
      place-items:center;
      flex:0 0 112px;
      border-radius:50%;
      background:conic-gradient(var(--cyan) 0 74%,rgba(0,240,255,.11) 74% 100%);
      box-shadow:0 0 26px rgba(0,240,255,.2);
    }
    .count-ring:before{
      content:"";
      width:94px;
      height:94px;
      position:absolute;
      border-radius:50%;
      background:var(--bg-soft);
      border:1px solid rgba(0,240,255,.18);
    }
    .count-ring strong,.count-ring span{position:relative;z-index:1;text-align:center}
    .count-ring strong{display:block;font-size:25px;line-height:1;color:#fff}
    .count-ring span{display:block;margin-top:4px;color:var(--muted);font-size:10px;font-weight:750}
    .timer-copy h2{margin-bottom:8px;font-size:22px}
    .timer-copy p{margin:0;color:var(--muted);font-size:13px;line-height:1.52}
    .benefit-slider{margin:24px 0 20px;padding:16px 0;border-top:1px solid var(--line);border-bottom:1px solid var(--line)}
    .benefit-slide{display:flex;gap:11px;align-items:flex-start}
    .benefit-icon{width:33px;height:33px;display:grid;place-items:center;flex:0 0 33px;border:1px solid rgba(0,240,255,.35);border-radius:9px;color:var(--cyan);background:rgba(0,240,255,.07);font-weight:900}
    .benefit-slide strong{display:block;margin-bottom:2px;font-size:13px}
    .benefit-slide span{display:block;color:var(--muted);font-size:12px;line-height:1.45}
    .slider-dots{display:flex;gap:6px;margin-top:12px}
    .slider-dots i{width:7px;height:7px;border-radius:10px;background:#48607d}
    .slider-dots i.active{width:22px;background:var(--cyan);box-shadow:0 0 12px var(--cyan)}
    .launch-panel .button{width:100%}

    .section{padding:88px 0}
    .section-heading{max-width:720px;margin-bottom:36px}
    .section-heading h2{margin-bottom:13px;font-size:clamp(27px,3.1vw,40px)}
    .section-heading p,.section-intro{margin-bottom:0;color:var(--muted);font-size:15px}
    .section-kicker{display:block;margin-bottom:10px;color:var(--cyan);font-size:12px;font-weight:850;letter-spacing:.1em;text-transform:uppercase}

    .verification-layout{display:grid;grid-template-columns:minmax(0,.92fr) minmax(390px,1.08fr);gap:68px;align-items:center}
    .image-frame{position:relative;min-height:470px;overflow:hidden;border:1px solid var(--line);border-radius:var(--radius);background:var(--panel);box-shadow:var(--shadow)}
    .image-frame:after{content:"";position:absolute;inset:0;background:linear-gradient(135deg,rgba(0,82,255,.21),transparent 50%,rgba(0,240,255,.12))}
    .image-frame img{width:100%;height:470px;object-fit:cover;opacity:.82}
    .image-note{
      position:absolute;
      z-index:2;
      bottom:18px;
      left:18px;
      right:18px;
      padding:16px;
      border:1px solid rgba(156,248,255,.27);
      border-radius:12px;
      background:rgba(6,14,27,.74);
      backdrop-filter:blur(12px);
    }
    .image-note strong{display:block;margin-bottom:4px;color:var(--cyan-soft);font-size:13px}
    .image-note span{color:#d2deee;font-size:12px;line-height:1.5}
    .check-list{display:grid;gap:0;margin:27px 0 28px;border-top:1px solid var(--line)}
    .check-item{display:grid;grid-template-columns:42px 1fr;gap:14px;padding:17px 0;border-bottom:1px solid var(--line)}
    .check-num{width:31px;height:31px;display:grid;place-items:center;border-radius:50%;color:var(--cyan);font-size:12px;font-weight:900;background:rgba(0,82,255,.17);border:1px solid rgba(0,240,255,.27)}
    .check-item h3{margin:1px 0 5px;font-size:16px;letter-spacing:-.01em}
    .check-item p{margin:0;color:var(--muted);font-size:13px;line-height:1.55}

    .signal-section{position:relative;border-top:1px solid var(--line);border-bottom:1px solid var(--line);background:linear-gradient(105deg,rgba(10,20,40,.82),rgba(8,9,15,.65))}
    .signal-grid{display:grid;grid-template-columns:.9fr 1.1fr;gap:64px;align-items:start}
    .signal-title{position:sticky;top:104px}
    .signal-title h2{margin-bottom:15px;font-size:clamp(28px,3vw,40px)}
    .signal-title p{max-width:440px;color:var(--muted)}
    .notice{display:flex;gap:11px;margin-top:23px;padding:14px;border-left:2px solid var(--warning);background:rgba(255,212,94,.06);color:#ded6b7;font-size:13px;line-height:1.55}
    .signal-list{border-top:1px solid var(--line)}
    .signal{
      display:grid;
      grid-template-columns:47px 1fr auto;
      gap:15px;
      align-items:center;
      padding:19px 0;
      border-bottom:1px solid var(--line);
    }
    .signal-icon{width:38px;height:38px;display:grid;place-items:center;border-radius:10px;background:rgba(0,82,255,.15);border:1px solid rgba(74,151,255,.25);color:var(--cyan);font-size:18px}
    .signal h3{margin:0 0 4px;font-size:16px;letter-spacing:-.01em}
    .signal p{margin:0;color:var(--muted);font-size:13px;line-height:1.5}
    .tag{display:inline-flex;align-items:center;justify-content:center;padding:5px 9px;border-radius:999px;font-size:10px;font-weight:850;white-space:nowrap}
    .tag-good{color:var(--good);background:rgba(119,250,172,.09);border:1px solid rgba(119,250,172,.23)}
    .tag-alert{color:var(--warning);background:rgba(255,212,94,.08);border:1px solid rgba(255,212,94,.25)}

    .scenario-layout{display:grid;grid-template-columns:minmax(0,1.03fr) minmax(300px,.7fr);gap:33px;align-items:stretch}
    .scenario-main{padding:35px;border:1px solid var(--line);border-radius:var(--radius);background:linear-gradient(145deg,rgba(21,34,59,.8),rgba(12,18,32,.84));box-shadow:var(--shadow)}
    .scenario-main h2{max-width:650px;margin-bottom:13px;font-size:clamp(27px,3vw,39px)}
    .scenario-main>p{max-width:680px;color:var(--muted)}
    .scenario-columns{display:grid;grid-template-columns:1fr 1fr;gap:24px;margin-top:30px}
    .scenario-group{padding-top:18px;border-top:1px solid var(--line)}
    .scenario-group h3{margin-bottom:12px;font-size:16px;color:var(--cyan-soft)}
    .scenario-group ul{padding:0;margin:0;list-style:none}
    .scenario-group li{position:relative;padding:8px 0 8px 20px;color:#d4dfed;font-size:13px}
    .scenario-group li:before{content:"";position:absolute;left:0;top:16px;width:8px;height:8px;border:1px solid var(--cyan);transform:rotate(45deg)}
    .side-stat{display:flex;flex-direction:column;justify-content:space-between;overflow:hidden;padding:31px;min-height:350px;border:1px solid rgba(0,240,255,.32);border-radius:var(--radius);background:linear-gradient(155deg,rgba(0,82,255,.24),rgba(9,19,36,.94) 55%,rgba(0,240,255,.1));box-shadow:0 0 38px rgba(0,82,255,.13)}
    .side-stat .mini-label{margin-bottom:8px;color:var(--cyan);font-size:11px;font-weight:850;letter-spacing:.1em;text-transform:uppercase}
    .side-stat strong{display:block;font-size:44px;line-height:1;letter-spacing:-.06em}
    .side-stat p{margin:9px 0 0;color:var(--muted);font-size:13px}
    .stat-bars{display:grid;gap:12px;margin-top:30px}
    .stat-line{display:grid;grid-template-columns:1fr auto;gap:8px;color:#d5e6f7;font-size:12px;font-weight:750}
    .bar{grid-column:1/-1;height:5px;overflow:hidden;border-radius:10px;background:rgba(127,165,211,.14)}
    .bar i{display:block;height:100%;border-radius:inherit;background:linear-gradient(90deg,var(--blue),var(--cyan));box-shadow:0 0 10px var(--cyan)}

    .steps-wrap{display:grid;grid-template-columns:.77fr 1.23fr;gap:58px;align-items:start}
    .steps-intro h2{margin-bottom:16px;font-size:clamp(28px,3vw,40px)}
    .steps-intro p{color:var(--muted)}
    .payment-badges{display:flex;flex-wrap:wrap;gap:9px;margin-top:26px}
    .payment-badge{padding:8px 10px;border:1px solid var(--line);border-radius:8px;color:#d9e8f7;font-size:11px;font-weight:850;background:rgba(14,28,50,.68)}
    .payment-badge b{color:var(--cyan)}
    .steps{display:grid;gap:3px}
    .step{position:relative;display:grid;grid-template-columns:56px 1fr;gap:17px;padding:19px 0 20px;border-bottom:1px solid var(--line)}
    .step:first-child{padding-top:0}
    .step-number{position:relative;width:42px;height:42px;display:grid;place-items:center;color:var(--cyan);font-size:14px;font-weight:900;border:1px solid var(--line-strong);background:rgba(0,82,255,.13);clip-path:polygon(20% 0,100% 0,100% 80%,80% 100%,0 100%,0 20%)}
    .step h3{margin:3px 0 5px;font-size:17px}
    .step p{margin:0;color:var(--muted);font-size:13px;line-height:1.57}

    .review-section{padding-top:88px}
    .review-grid{display:grid;grid-template-columns:1fr 1fr;gap:22px}
    .review-card{
      position:relative;
      padding:27px;
      border:1px solid var(--line);
      border-radius:var(--radius);
      background:rgba(17,26,45,.68);
      backdrop-filter:blur(8px);
      transition:transform .22s ease,border-color .22s ease,box-shadow .22s ease;
    }
    .review-card:hover{transform:translateY(-5px);border-color:rgba(0,240,255,.45);box-shadow:0 18px 44px rgba(0,0,0,.24)}
    .quote-mark{color:var(--cyan);font-size:38px;line-height:.7}
    .review-card p{margin:12px 0 20px;color:#d6e0ee;font-size:15px}
    .review-meta{display:flex;align-items:center;justify-content:space-between;gap:12px;padding-top:14px;border-top:1px solid var(--line)}
    .review-meta strong{display:block;font-size:13px}
    .review-meta span{display:block;color:var(--dim);font-size:11px}
    .review-score{color:var(--warning);font-size:12px;font-weight:900;letter-spacing:.06em}

    .faq-layout{display:grid;grid-template-columns:.75fr 1.25fr;gap:65px;align-items:start}
    .faq-copy h2{margin-bottom:16px;font-size:clamp(28px,3vw,40px)}
    .faq-copy p{color:var(--muted)}
    .faq-copy .button{margin-top:10px}
    .faq-list{border-top:1px solid var(--line)}
    .faq-item{border-bottom:1px solid var(--line)}
    .faq-question{
      width:100%;
      display:flex;
      align-items:center;
      justify-content:space-between;
      gap:16px;
      padding:20px 0;
      color:var(--text);
      text-align:left;
      font-size:16px;
      font-weight:800;
      background:transparent;
    }
    .faq-question span:last-child{width:25px;height:25px;display:grid;place-items:center;flex:0 0 25px;color:var(--cyan);font-size:20px;font-weight:400;border:1px solid var(--line);border-radius:7px}
    .faq-answer{display:none;padding:0 38px 20px 0;color:var(--muted);font-size:14px;line-height:1.65}
    .faq-item.open .faq-answer{display:block}
    .faq-item.open .faq-question span:last-child{background:rgba(0,240,255,.12);transform:rotate(45deg)}

    .cta{padding:90px 0}
    .cta-box{
      position:relative;
      overflow:hidden;
      padding:55px min(7vw,76px);
      border:1px solid rgba(0,240,255,.42);
      border-radius:var(--radius);
      text-align:center;
      background:
        linear-gradient(90deg,rgba(5,18,47,.92),rgba(10,28,56,.75)),
        url("/assets/images/backpic/back-3.jpg") center/cover no-repeat;
      box-shadow:var(--shadow),0 0 42px rgba(0,82,255,.17);
    }
    .cta-box:before,.cta-box:after{content:"";position:absolute;border:1px solid rgba(0,240,255,.21);border-radius:50%;pointer-events:none}
    .cta-box:before{width:320px;height:320px;left:-170px;top:-190px}
    .cta-box:after{width:240px;height:240px;right:-115px;bottom:-145px}
    .cta-box>*{position:relative;z-index:1}
    .cta-box h2{max-width:760px;margin:0 auto 14px;font-size:clamp(29px,3.6vw,46px)}
    .cta-box p{max-width:700px;margin:0 auto 26px;color:#d1dff1}
    .cta-actions{display:flex;justify-content:center;gap:12px;flex-wrap:wrap}
    .cta-note{margin-top:19px!important;color:var(--dim)!important;font-size:12px}

    .site-footer{padding:55px 0 0;border-top:1px solid var(--line);background:rgba(5,8,15,.76)}
    .footer-grid{display:grid;grid-template-columns:1.35fr .75fr 1fr;gap:48px;padding-bottom:42px}
    .footer-brand p{max-width:435px;margin:19px 0 0;color:var(--muted);font-size:13px;line-height:1.65}
    .footer-title{margin:3px 0 16px;color:#e5f8ff;font-size:14px;letter-spacing:0}
    .footer-links{display:grid;gap:10px}
    .footer-links a{color:var(--muted);font-size:13px;font-weight:650;transition:color .2s ease,transform .2s ease}
    .footer-links a:hover{color:var(--cyan);transform:translateX(3px)}
    .compliance{display:flex;gap:13px;color:var(--muted);font-size:12px;line-height:1.56}
    .compliance strong{display:block;margin-bottom:3px;color:#e4edf7;font-size:13px}
    .age{width:38px;height:38px;display:grid;place-items:center;flex:0 0 38px;border:1px solid rgba(255,212,94,.42);border-radius:50%;color:var(--warning);font-weight:900}
    .footer-bottom{display:flex;justify-content:space-between;gap:24px;padding:18px 0;border-top:1px solid var(--line);color:var(--dim);font-size:11px}

    .support-fab{
      position:fixed;
      left:16px;
      bottom:96px;
      z-index:50;
      width:56px;
      height:56px;
      display:grid;
      place-items:center;
      color:var(--cyan);
      background:rgba(2,10,22,.78);
      border:1px solid transparent;
      border-radius:15px;
      background-clip:padding-box;
      box-shadow:0 0 18px rgba(0,240,255,.44);
      opacity:.72;
      transition:transform .2s ease,opacity .2s ease,box-shadow .2s ease;
      animation:fabFloat 3s ease-in-out infinite;
    }
    .support-fab:before{
      content:"";
      position:absolute;
      inset:-2px;
      z-index:-1;
      border-radius:17px;
      background:linear-gradient(135deg,var(--cyan),var(--blue),var(--cyan));
      background-size:200% 200%;
      animation:flow 3s linear infinite;
    }
    .support-fab:after{content:"MỚI";position:absolute;right:-8px;top:-9px;padding:2px 5px;color:#07101d;font-size:8px;font-weight:950;border-radius:4px;background:var(--cyan);box-shadow:0 0 11px var(--cyan);animation:blink 1.2s infinite}
    .support-fab:hover{opacity:1;transform:scale(1.1);box-shadow:0 0 28px rgba(0,240,255,.76)}
    .support-fab:active{transform:scale(.95)}
    .support-fab svg{width:27px;height:27px;filter:drop-shadow(0 0 7px var(--cyan))}

    @keyframes pulse{50%{opacity:.35;transform:scale(.72)}}
    @keyframes fabFloat{50%{transform:translateY(-7px)}}
    @keyframes flow{to{background-position:200% 200%}}
    @keyframes blink{50%{opacity:.35}}
    @media (max-width:1024px){
      .nav-shell{gap:12px}
      .brand{min-width:152px}
      .nav-links a{padding:9px 8px;font-size:12px}
      .hero-grid{gap:35px}
      .verification-layout,.signal-grid,.steps-wrap,.faq-layout{gap:40px}
      .footer-grid{gap:30px}
    }
    @media (max-width:768px){
      .container{width:min(calc(100% - 32px),var(--container))}
      .nav-shell{min-height:67px;gap:9px}
      .brand{min-width:0;flex:1}
      .brand-title{max-width:145px;font-size:10px}
      .brand-title small{font-size:9px}
      .nav-links{
        position:absolute;
        top:67px;
        left:0;
        right:0;
        display:none;
        padding:12px 16px 16px;
        border-bottom:1px solid var(--line);
        background:rgba(8,9,15,.98);
      }
      .nav-links.open{display:grid;grid-template-columns:1fr 1fr;gap:6px}
      .nav-links a{padding:10px;font-size:12px}
      .menu-toggle{display:block}
      .nav-actions{gap:4px}
      .login-link{display:none}
      .nav-actions .button{min-height:38px;padding:9px 10px;font-size:11px}
      .hero{padding:55px 0 52px;min-height:auto}
      .hero-grid,.verification-layout,.signal-grid,.scenario-layout,.steps-wrap,.faq-layout{grid-template-columns:1fr}
      .hero-grid{gap:34px}
      h1{font-size:clamp(32px,9vw,47px)}
      .hero-lead{font-size:16px}
      .launch-panel{max-width:570px}
      .signal-title{position:static}
      .scenario-main{padding:27px}
      .side-stat{min-height:260px}
      .review-grid{grid-template-columns:1fr}
      .section{padding:66px 0}
      .review-section{padding-top:66px}
      .cta{padding:66px 0}
      .footer-grid{grid-template-columns:1fr 1fr}
      .footer-brand{grid-column:1/-1}
      .footer-bottom{flex-direction:column;gap:6px}
    }
    @media (max-width:520px){
      body{font-size:15px}
      .container{width:min(calc(100% - 28px),var(--container))}
      .brand-mark{width:33px;height:33px;flex-basis:33px;font-size:12px}
      .brand-title{max-width:128px;font-size:9px}
      .nav-actions .button{padding:9px 8px}
      .menu-toggle{width:38px;height:38px}
      .hero{padding-top:43px}
      .hero-buttons,.cta-actions{display:grid;grid-template-columns:1fr}
      .hero-buttons .button,.cta-actions .button{width:100%}
      .proof-row{display:grid;gap:8px}
      .launch-panel{padding:21px}
      .timer-wrap{gap:14px}
      .count-ring{width:91px;height:91px;flex-basis:91px}
      .count-ring:before{width:76px;height:76px}
      .count-ring strong{font-size:20px}
      .timer-copy h2{font-size:19px}
      .image-frame,.image-frame img{min-height:350px;height:350px}
      .scenario-main{padding:23px 20px}
      .scenario-columns{grid-template-columns:1fr;gap:10px}
      .signal{grid-template-columns:42px 1fr;gap:11px}
      .signal .tag{grid-column:2;justify-self:start}
      .review-card{padding:22px}
      .faq-question{font-size:15px}
      .faq-answer{padding-right:5px}
      .cta-box{padding:42px 21px}
      .footer-grid{grid-template-columns:1fr;gap:29px}
      .footer-brand{grid-column:auto}
      .support-fab{bottom:78px}
    }

/* roulang page: category2 */
:root{
      --bg:#08090f;
      --bg-soft:#0d111e;
      --panel:#111a2d;
      --panel-2:#15223b;
      --line:rgba(113,171,255,.19);
      --line-strong:rgba(0,240,255,.5);
      --blue:#0052ff;
      --cyan:#00f0ff;
      --cyan-soft:#9cf8ff;
      --text:#f8fbff;
      --muted:#afbdd0;
      --dim:#78889e;
      --good:#77faac;
      --warning:#ffd45e;
      --danger:#ff5977;
      --radius:20px;
      --radius-sm:12px;
      --shadow:0 24px 60px rgba(0,0,0,.32);
      --container:1180px;
      --font:Inter,ui-sans-serif,system-ui,-apple-system,BlinkMacSystemFont,"Segoe UI",Arial,sans-serif;
    }
    *{box-sizing:border-box}
    html{scroll-behavior:smooth}
    body{
      margin:0;color:var(--text);font-family:var(--font);font-size:16px;line-height:1.62;
      background:
        radial-gradient(circle at 12% 8%,rgba(0,82,255,.17),transparent 26rem),
        radial-gradient(circle at 91% 33%,rgba(0,240,255,.10),transparent 27rem),
        var(--bg);
      overflow-x:hidden;
    }
    body:before{
      content:"";position:fixed;inset:0;pointer-events:none;z-index:-1;opacity:.22;
      background-image:linear-gradient(rgba(115,154,210,.075) 1px,transparent 1px),linear-gradient(90deg,rgba(115,154,210,.075) 1px,transparent 1px);
      background-size:42px 42px;mask-image:linear-gradient(to bottom,#000,transparent 76%);
    }
    a{color:inherit;text-decoration:none}
    img{display:block;max-width:100%}
    button,input{font:inherit}
    button{border:0;cursor:pointer}
    h1,h2,h3,p{margin-top:0}
    h1,h2,h3{letter-spacing:-.035em;line-height:1.18}
    .container{width:min(calc(100% - 48px),var(--container));margin:auto}
    .site-header{
      position:sticky;top:0;z-index:40;border-bottom:1px solid rgba(112,165,255,.13);
      background:rgba(8,9,15,.83);backdrop-filter:blur(18px);
    }
    .nav-shell{min-height:76px;display:flex;align-items:center;gap:22px}
    .brand{display:flex;align-items:center;gap:10px;min-width:172px}
    .brand-mark{
      position:relative;width:37px;height:37px;display:grid;place-items:center;flex:0 0 37px;
      color:var(--cyan);font-weight:900;font-size:14px;letter-spacing:-1px;
      background:linear-gradient(145deg,#17376b,#071425);border:1px solid var(--line-strong);
      clip-path:polygon(18% 0,100% 0,100% 77%,78% 100%,0 100%,0 20%);
      box-shadow:0 0 20px rgba(0,240,255,.22);
    }
    .brand-title{max-width:163px;font-size:12px;line-height:1.23;font-weight:850;letter-spacing:.02em}
    .brand-title small{display:block;margin-top:3px;color:var(--cyan);font-size:10px;font-weight:700}
    .nav-links{display:flex;align-items:center;justify-content:center;gap:3px;flex:1}
    .nav-links a{
      padding:9px 12px;border-radius:8px;color:var(--muted);font-size:13px;font-weight:700;
      white-space:nowrap;transition:.22s ease;
    }
    .nav-links a:hover,.nav-links a.active{color:#fff;background:rgba(0,82,255,.18)}
    .nav-links a.active{box-shadow:inset 0 -2px 0 var(--cyan)}
    .nav-actions{display:flex;align-items:center;gap:9px}
    .login-link{padding:9px 4px;color:var(--muted);font-size:13px;font-weight:800;white-space:nowrap;transition:color .2s ease}
    .login-link:hover{color:#fff}
    .button{
      display:inline-flex;align-items:center;justify-content:center;gap:8px;min-height:44px;padding:11px 18px;
      border-radius:10px;color:#fff;font-size:14px;font-weight:850;line-height:1;text-align:center;
      transition:transform .2s ease,box-shadow .2s ease,background .2s ease,border-color .2s ease;
    }
    .button:focus-visible,.nav-links a:focus-visible,.login-link:focus-visible,.faq-question:focus-visible{outline:3px solid rgba(0,240,255,.58);outline-offset:3px}
    .button:hover{transform:translateY(-2px)}
    .button:active{transform:translateY(1px) scale(.98)}
    .button-primary{
      background:linear-gradient(135deg,var(--blue),#0877ff 52%,var(--cyan));
      box-shadow:0 8px 28px rgba(0,82,255,.33),0 0 18px rgba(0,240,255,.15);
    }
    .button-primary:hover{box-shadow:0 12px 32px rgba(0,82,255,.48),0 0 26px rgba(0,240,255,.32)}
    .button-outline{border:1px solid rgba(0,240,255,.52);background:rgba(1,15,29,.55);color:var(--cyan-soft)}
    .button-outline:hover{background:rgba(0,240,255,.1);border-color:var(--cyan);color:#fff}
    .menu-toggle{display:none;width:42px;height:42px;background:transparent;color:#fff;border:1px solid var(--line);border-radius:10px}
    .menu-toggle span,.menu-toggle:before,.menu-toggle:after{content:"";display:block;width:18px;height:2px;margin:4px auto;background:currentColor;transition:.2s ease}
    .breadcrumb{padding:20px 0 0;color:var(--dim);font-size:13px}
    .breadcrumb a{color:var(--muted);transition:color .2s ease}
    .breadcrumb a:hover{color:var(--cyan)}
    .breadcrumb span{padding:0 7px;color:#53627c}
    .inner-hero{
      position:relative;overflow:hidden;padding:42px 0 78px;isolation:isolate;
      border-bottom:1px solid rgba(113,171,255,.12);
    }
    .inner-hero:before{
      content:"";position:absolute;inset:0;z-index:-2;
      background:linear-gradient(90deg,rgba(8,9,15,.97) 0%,rgba(8,9,15,.82) 48%,rgba(8,9,15,.92) 100%),url("/assets/images/backpic/back-2.jpg") center/cover no-repeat;
    }
    .inner-hero:after{
      content:"";position:absolute;z-index:-1;width:500px;height:500px;right:-130px;top:-120px;border:1px solid rgba(0,240,255,.25);border-radius:50%;
      box-shadow:0 0 0 48px rgba(0,82,255,.055),0 0 0 105px rgba(0,240,255,.035),0 0 110px rgba(0,240,255,.13);
    }
    .hero-layout{display:grid;grid-template-columns:minmax(0,1.08fr) minmax(340px,.72fr);gap:50px;align-items:center;padding-top:38px}
    .eyebrow{display:inline-flex;align-items:center;gap:8px;margin-bottom:17px;color:var(--cyan);font-size:12px;font-weight:850;letter-spacing:.11em;text-transform:uppercase}
    .eyebrow:before{content:"";width:8px;height:8px;border-radius:50%;background:var(--good);box-shadow:0 0 12px var(--good)}
    h1{max-width:740px;margin-bottom:20px;font-size:clamp(35px,4.2vw,57px)}
    h1 em{font-style:normal;color:var(--cyan);text-shadow:0 0 25px rgba(0,240,255,.24)}
    .hero-copy>p{max-width:700px;margin-bottom:27px;color:#d0dced;font-size:17px;line-height:1.72}
    .hero-actions{display:flex;flex-wrap:wrap;gap:12px}
    .hero-note{display:flex;align-items:flex-start;gap:10px;margin-top:20px;color:var(--muted);font-size:13px}
    .hero-note svg{flex:0 0 18px;margin-top:3px;color:var(--cyan)}
    .recommend-card{
      position:relative;overflow:hidden;padding:28px;background:linear-gradient(145deg,rgba(21,39,73,.94),rgba(7,15,29,.88));
      border:1px solid rgba(0,240,255,.48);border-radius:var(--radius);
      box-shadow:var(--shadow),0 0 42px rgba(0,82,255,.17),inset 0 1px 0 rgba(255,255,255,.09);
    }
    .recommend-card:before{content:"";position:absolute;width:150px;height:150px;right:-60px;top:-62px;border:1px solid rgba(0,240,255,.45);border-radius:50%;box-shadow:0 0 0 18px rgba(0,240,255,.04)}
    .recommend-label{display:inline-flex;padding:5px 9px;border:1px solid rgba(0,240,255,.38);border-radius:999px;background:rgba(0,240,255,.09);color:var(--cyan);font-size:11px;font-weight:850;letter-spacing:.08em;text-transform:uppercase}
    .recommend-card h2{position:relative;margin:15px 0 12px;font-size:25px}
    .recommend-card>p{position:relative;margin-bottom:18px;color:var(--muted);font-size:14px}
    .check-list{display:grid;gap:12px;margin:0;padding:0;list-style:none}
    .check-list li{display:flex;gap:10px;align-items:flex-start;color:#dbe7f5;font-size:14px}
    .check-list b{display:grid;place-items:center;width:20px;height:20px;flex:0 0 20px;border-radius:50%;background:rgba(119,250,172,.13);color:var(--good);font-size:12px}
    .recommend-foot{margin-top:22px;padding-top:16px;border-top:1px solid var(--line);color:var(--cyan-soft);font-size:12px;font-weight:750}
    .signal-bar{position:relative;z-index:2;margin-top:-27px}
    .signal-grid{
      display:grid;grid-template-columns:repeat(4,1fr);background:rgba(14,24,43,.92);border:1px solid var(--line);border-radius:16px;
      box-shadow:0 16px 40px rgba(0,0,0,.26);backdrop-filter:blur(14px);
    }
    .signal{display:flex;gap:11px;align-items:center;padding:18px 20px;border-right:1px solid var(--line)}
    .signal:last-child{border-right:0}
    .signal-icon{display:grid;place-items:center;width:33px;height:33px;flex:0 0 33px;border-radius:10px;background:rgba(0,82,255,.16);color:var(--cyan)}
    .signal strong{display:block;font-size:13px;line-height:1.2}
    .signal small{display:block;margin-top:2px;color:var(--dim);font-size:11px;line-height:1.35}
    .section{padding:92px 0}
    .section-dark{background:linear-gradient(180deg,rgba(13,17,30,.32),rgba(13,17,30,.86));border-top:1px solid rgba(113,171,255,.09);border-bottom:1px solid rgba(113,171,255,.09)}
    .section-heading{max-width:745px;margin-bottom:38px}
    .section-kicker{margin-bottom:10px;color:var(--cyan);font-size:12px;font-weight:850;letter-spacing:.1em;text-transform:uppercase}
    .section-heading h2{margin-bottom:13px;font-size:clamp(28px,3vw,42px)}
    .section-heading p,.section-intro{margin-bottom:0;color:var(--muted);font-size:15px}
    .method-layout{display:grid;grid-template-columns:minmax(0,.92fr) minmax(400px,1.08fr);gap:62px;align-items:center}
    .visual-frame{position:relative}
    .visual-frame:before{content:"";position:absolute;inset:17px -17px -17px 17px;border:1px solid rgba(0,240,255,.3);border-radius:var(--radius);pointer-events:none}
    .visual-frame img{position:relative;width:100%;height:420px;object-fit:cover;border:1px solid var(--line);border-radius:var(--radius);filter:saturate(.86) contrast(1.05)}
    .visual-caption{position:absolute;left:20px;bottom:20px;max-width:280px;padding:13px 15px;border:1px solid rgba(0,240,255,.26);border-radius:12px;background:rgba(4,11,23,.81);backdrop-filter:blur(10px);color:#deedf9;font-size:13px;font-weight:700}
    .method-copy h2{margin-bottom:16px;font-size:clamp(28px,3vw,40px)}
    .method-copy>p{margin-bottom:26px;color:var(--muted)}
    .payment-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:11px}
    .payment-item{display:flex;align-items:center;gap:11px;padding:14px;border:1px solid var(--line);border-radius:12px;background:rgba(17,26,45,.65);transition:.2s ease}
    .payment-item:hover{transform:translateX(4px);border-color:rgba(0,240,255,.45);background:rgba(0,82,255,.11)}
    .payment-icon{display:grid;place-items:center;width:33px;height:33px;border-radius:9px;background:linear-gradient(145deg,#164a98,#0c1e3b);color:var(--cyan);font-size:12px;font-weight:900}
    .payment-item strong{display:block;font-size:13px;line-height:1.2}
    .payment-item small{display:block;color:var(--dim);font-size:11px;line-height:1.3}
    .rule-line{display:flex;align-items:flex-start;gap:10px;margin-top:25px;padding-top:20px;border-top:1px solid var(--line);color:#cfdeed;font-size:13px}
    .rule-line b{color:var(--warning)}
    .process-wrap{display:grid;grid-template-columns:minmax(240px,.7fr) minmax(0,1.3fr);gap:52px;align-items:start}
    .process-side{position:sticky;top:104px}
    .process-side h2{margin-bottom:15px;font-size:clamp(28px,3vw,40px)}
    .process-side p{color:var(--muted)}
    .process-side .button{margin-top:12px}
    .process-list{position:relative;display:grid;gap:0}
    .process-list:before{content:"";position:absolute;top:29px;bottom:29px;left:28px;width:1px;background:linear-gradient(var(--cyan),rgba(0,240,255,.04))}
    .step{position:relative;display:grid;grid-template-columns:58px 1fr;gap:19px;padding:0 0 29px}
    .step:last-child{padding-bottom:0}
    .step-num{position:relative;z-index:1;display:grid;place-items:center;width:57px;height:57px;border:1px solid rgba(0,240,255,.55);border-radius:15px;background:#0c1b33;color:var(--cyan);font-size:18px;font-weight:900;box-shadow:0 0 20px rgba(0,240,255,.12)}
    .step-content{padding:4px 0 0;border-bottom:1px solid var(--line)}
    .step:last-child .step-content{border-bottom:0}
    .step-content h3{margin-bottom:7px;font-size:20px}
    .step-content p{margin-bottom:16px;color:var(--muted);font-size:14px}
    .step-tags{display:flex;flex-wrap:wrap;gap:7px;padding-bottom:18px}
    .tag{display:inline-flex;padding:4px 8px;border-radius:6px;border:1px solid rgba(113,171,255,.22);background:rgba(20,40,76,.38);color:#c6d8ec;font-size:11px;font-weight:750}
    .scenario-layout{display:grid;grid-template-columns:minmax(0,1.02fr) minmax(330px,.98fr);gap:47px;align-items:center}
    .scenario-copy h2{margin-bottom:15px;font-size:clamp(28px,3vw,40px)}
    .scenario-copy>p{color:var(--muted)}
    .scenario-list{margin:25px 0 0;padding:0;list-style:none}
    .scenario-list li{display:grid;grid-template-columns:30px 1fr;gap:12px;padding:14px 0;border-bottom:1px solid var(--line)}
    .scenario-list li:first-child{border-top:1px solid var(--line)}
    .scenario-list span{display:grid;place-items:center;width:29px;height:29px;border-radius:8px;background:rgba(0,82,255,.15);color:var(--cyan);font-size:12px;font-weight:900}
    .scenario-list strong{display:block;margin-bottom:3px;font-size:14px}
    .scenario-list p{margin:0;color:var(--muted);font-size:13px;line-height:1.55}
    .case-board{position:relative;overflow:hidden;padding:29px;border:1px solid var(--line);border-radius:var(--radius);background:linear-gradient(145deg,rgba(17,31,56,.88),rgba(10,16,29,.9));box-shadow:var(--shadow)}
    .case-board:after{content:"";position:absolute;width:220px;height:220px;right:-100px;bottom:-105px;border:1px solid rgba(0,240,255,.2);border-radius:50%}
    .case-board img{width:100%;height:178px;object-fit:cover;border-radius:12px;opacity:.66;filter:saturate(.75)}
    .case-board h3{position:relative;margin:22px 0 9px;font-size:23px}
    .case-board p{position:relative;margin-bottom:18px;color:var(--muted);font-size:14px}
    .mini-stats{position:relative;display:grid;grid-template-columns:1fr 1fr;gap:10px}
    .mini-stat{padding:12px;border:1px solid var(--line);border-radius:11px;background:rgba(5,12,24,.49)}
    .mini-stat b{display:block;color:var(--cyan);font-size:13px}
    .mini-stat span{display:block;margin-top:3px;color:var(--dim);font-size:11px;line-height:1.35}
    .safe-box{display:grid;grid-template-columns:57px 1fr auto;gap:20px;align-items:center;padding:25px 28px;border:1px solid rgba(255,212,94,.28);border-radius:var(--radius);background:linear-gradient(100deg,rgba(71,55,17,.28),rgba(14,23,38,.68))}
    .safe-icon{display:grid;place-items:center;width:55px;height:55px;border-radius:15px;background:rgba(255,212,94,.13);color:var(--warning)}
    .safe-box h2{margin-bottom:6px;font-size:22px}
    .safe-box p{margin:0;color:var(--muted);font-size:14px}
    .faq-layout{display:grid;grid-template-columns:minmax(270px,.75fr) minmax(0,1.25fr);gap:58px;align-items:start}
    .faq-copy{position:sticky;top:105px}
    .faq-copy h2{margin-bottom:15px;font-size:clamp(28px,3vw,40px)}
    .faq-copy p{color:var(--muted)}
    .faq-list{border-top:1px solid var(--line)}
    .faq-item{border-bottom:1px solid var(--line)}
    .faq-question{display:flex;width:100%;align-items:center;justify-content:space-between;gap:20px;padding:20px 0;background:transparent;color:var(--text);text-align:left;font-weight:800;font-size:16px}
    .faq-question span:last-child{display:grid;place-items:center;width:25px;height:25px;flex:0 0 25px;border:1px solid var(--line);border-radius:50%;color:var(--cyan);font-size:20px;font-weight:400;transition:.2s ease}
    .faq-item.open .faq-question span:last-child{transform:rotate(45deg);background:rgba(0,240,255,.09)}
    .faq-answer{display:none;max-width:790px;padding:0 40px 20px 0;color:var(--muted);font-size:14px}
    .faq-item.open .faq-answer{display:block}
    .cta-section{padding:0 0 92px}
    .cta-panel{position:relative;overflow:hidden;padding:50px;display:grid;grid-template-columns:minmax(0,1fr) auto;gap:28px;align-items:center;border:1px solid rgba(0,240,255,.35);border-radius:var(--radius);background:linear-gradient(120deg,rgba(0,45,114,.66),rgba(12,26,49,.91) 48%,rgba(4,13,27,.94));box-shadow:var(--shadow)}
    .cta-panel:before{content:"";position:absolute;width:330px;height:330px;right:-90px;top:-220px;border:1px solid rgba(0,240,255,.32);border-radius:50%;box-shadow:0 0 0 34px rgba(0,240,255,.04),0 0 80px rgba(0,240,255,.16)}
    .cta-panel h2{position:relative;max-width:670px;margin-bottom:10px;font-size:clamp(27px,3vw,39px)}
    .cta-panel p{position:relative;max-width:700px;margin:0;color:#c5d5e6}
    .cta-buttons{position:relative;display:flex;gap:11px;flex-wrap:wrap}
    .site-footer{padding:65px 0 0;border-top:1px solid rgba(113,171,255,.14);background:rgba(4,7,13,.58)}
    .footer-grid{display:grid;grid-template-columns:1.4fr .65fr 1fr;gap:54px;padding-bottom:48px}
    .footer-brand p{max-width:430px;margin:20px 0 0;color:var(--muted);font-size:13px}
    .footer-title{margin:4px 0 17px;font-size:14px;letter-spacing:0}
    .footer-links{display:grid;gap:9px}
    .footer-links a{color:var(--muted);font-size:13px;transition:color .2s ease,transform .2s ease}
    .footer-links a:hover{color:var(--cyan);transform:translateX(3px)}
    .compliance{display:flex;gap:12px;color:var(--muted);font-size:12px;line-height:1.55}
    .age{display:grid;place-items:center;width:38px;height:38px;flex:0 0 38px;border:1px solid rgba(255,212,94,.55);border-radius:50%;color:var(--warning);font-weight:900}
    .compliance strong{display:block;color:var(--text);font-size:13px}
    .footer-bottom{display:flex;justify-content:space-between;gap:20px;padding:18px 0;border-top:1px solid var(--line);color:var(--dim);font-size:11px}
    .support-fab{
      position:fixed;left:16px;bottom:96px;z-index:50;display:grid;place-items:center;width:54px;height:54px;
      border:1px solid transparent;border-radius:15px;background:linear-gradient(#07101e,#07101e) padding-box,linear-gradient(135deg,var(--cyan),var(--blue)) border-box;
      box-shadow:0 0 15px rgba(0,240,255,.48);color:var(--cyan);opacity:.7;transition:.25s ease;animation:neonPulse 2.4s ease-in-out infinite;
    }
    .support-fab:after{content:"MỚI";position:absolute;right:-9px;top:-8px;padding:2px 4px;border-radius:4px;background:var(--blue);color:#fff;font-size:8px;font-weight:900;letter-spacing:.04em}
    .support-fab svg{filter:drop-shadow(0 0 7px rgba(0,240,255,.8));transition:transform .3s ease}
    .support-fab:hover{opacity:1;transform:scale(1.1);box-shadow:0 0 28px rgba(0,240,255,.72)}
    .support-fab:hover svg{animation:flicker .35s linear 2}
    .support-fab:active{transform:scale(.95)}
    @keyframes neonPulse{50%{opacity:1;box-shadow:0 0 23px rgba(0,240,255,.72)}}
    @keyframes flicker{50%{opacity:.25;transform:scale(1.12)}}
    @media(max-width:1024px){
      .nav-shell{gap:13px}.brand{min-width:153px}.nav-links a{padding:9px 8px;font-size:12px}
      .hero-layout{gap:30px}.method-layout{gap:40px}.process-wrap,.faq-layout{gap:38px}
      .footer-grid{gap:32px}.signal{padding:15px 13px}
    }
    @media(max-width:768px){
      .container{width:min(calc(100% - 32px),var(--container))}
      .nav-shell{min-height:68px;gap:10px}.brand{min-width:0;flex:1}.brand-title{max-width:175px}
      .menu-toggle{display:block;order:3}.nav-actions{order:2;gap:5px}.nav-actions .button{min-height:38px;padding:9px 10px;font-size:12px}.login-link{font-size:12px}
      .nav-links{
        display:none;position:absolute;top:68px;left:0;right:0;padding:12px 16px 17px;border-bottom:1px solid var(--line);
        background:rgba(8,9,15,.98);box-shadow:0 14px 30px rgba(0,0,0,.35);flex-direction:column;align-items:stretch;
      }
      .nav-links.open{display:flex}.nav-links a{padding:11px 12px}
      .inner-hero{padding-bottom:62px}.hero-layout{grid-template-columns:1fr;padding-top:28px}.recommend-card{max-width:560px}
      .signal-grid{grid-template-columns:1fr 1fr}.signal:nth-child(2){border-right:0}.signal:nth-child(-n+2){border-bottom:1px solid var(--line)}
      .section{padding:70px 0}.method-layout,.scenario-layout,.process-wrap,.faq-layout{grid-template-columns:1fr;gap:34px}
      .process-side,.faq-copy{position:static}.visual-frame{max-width:610px}.visual-frame img{height:330px}
      .safe-box{grid-template-columns:48px 1fr}.safe-box .button{grid-column:2}.cta-panel{grid-template-columns:1fr;padding:35px}.footer-grid{grid-template-columns:1fr 1fr}.footer-brand{grid-column:1/-1}
    }
    @media(max-width:520px){
      body{font-size:15px}.container{width:min(calc(100% - 28px),var(--container))}
      .brand-title{font-size:10px;max-width:124px}.brand-title small{font-size:9px}.brand-mark{width:33px;height:33px;flex-basis:33px}
      .nav-actions .login-link{display:none}.nav-actions .button{padding:9px 9px;font-size:11px}.menu-toggle{width:39px;height:39px}
      h1{font-size:34px}.hero-copy>p{font-size:15px}.hero-actions,.cta-buttons{flex-direction:column;align-items:stretch}.hero-actions .button,.cta-buttons .button{width:100%}
      .recommend-card{padding:22px}.signal-bar{margin-top:-17px}.signal-grid{grid-template-columns:1fr}.signal{border-right:0;border-bottom:1px solid var(--line)}.signal:last-child{border-bottom:0}
      .payment-grid{grid-template-columns:1fr}.visual-frame:before{display:none}.visual-frame img{height:250px}.section-heading{margin-bottom:28px}
      .step{grid-template-columns:46px 1fr;gap:14px}.step-num{width:46px;height:46px;border-radius:12px}.process-list:before{left:23px}.step-content h3{font-size:18px}
      .case-board{padding:21px}.safe-box{padding:21px;gap:14px}.safe-box h2{font-size:19px}.faq-question{font-size:15px}.faq-answer{padding-right:10px}
      .cta-section{padding-bottom:70px}.cta-panel{padding:27px 22px}.footer-grid{grid-template-columns:1fr;gap:28px}.footer-brand{grid-column:auto}.footer-bottom{flex-direction:column;gap:5px;padding:16px 0}.support-fab{left:14px;bottom:74px}
    }

/* roulang page: category3 */
:root{
      --bg:#08090f;
      --bg-soft:#0d111e;
      --panel:#111a2d;
      --panel-2:#15223b;
      --line:rgba(113,171,255,.19);
      --line-strong:rgba(0,240,255,.5);
      --blue:#0052ff;
      --cyan:#00f0ff;
      --cyan-soft:#9cf8ff;
      --text:#f8fbff;
      --muted:#afbdd0;
      --dim:#78889e;
      --good:#77faac;
      --warning:#ffd45e;
      --danger:#ff5977;
      --radius:20px;
      --radius-sm:12px;
      --shadow:0 24px 60px rgba(0,0,0,.32);
      --container:1180px;
      --font:Inter,ui-sans-serif,system-ui,-apple-system,BlinkMacSystemFont,"Segoe UI",Arial,sans-serif;
    }
    *{box-sizing:border-box}
    html{scroll-behavior:smooth}
    body{
      margin:0;color:var(--text);font-family:var(--font);font-size:16px;line-height:1.62;
      background:radial-gradient(circle at 12% 8%,rgba(0,82,255,.17),transparent 26rem),radial-gradient(circle at 91% 33%,rgba(0,240,255,.10),transparent 27rem),var(--bg);
      overflow-x:hidden;
    }
    body:before{
      content:"";position:fixed;inset:0;pointer-events:none;z-index:-1;opacity:.22;
      background-image:linear-gradient(rgba(115,154,210,.075) 1px,transparent 1px),linear-gradient(90deg,rgba(115,154,210,.075) 1px,transparent 1px);
      background-size:42px 42px;mask-image:linear-gradient(to bottom,#000,transparent 76%);
    }
    a{color:inherit;text-decoration:none}
    img{display:block;max-width:100%}
    button,input{font:inherit}
    button{border:0;cursor:pointer}
    h1,h2,h3,p{margin-top:0}
    h1,h2,h3{letter-spacing:-.03em;line-height:1.16}
    .container{width:min(calc(100% - 48px),var(--container));margin:auto}
    .site-header{position:sticky;top:0;z-index:40;border-bottom:1px solid rgba(112,165,255,.13);background:rgba(8,9,15,.83);backdrop-filter:blur(18px)}
    .nav-shell{min-height:76px;display:flex;align-items:center;gap:22px}
    .brand{display:flex;align-items:center;gap:10px;min-width:172px}
    .brand-mark{
      position:relative;width:37px;height:37px;display:grid;place-items:center;flex:0 0 37px;color:var(--cyan);font-weight:900;font-size:14px;letter-spacing:-1px;
      background:linear-gradient(145deg,#17376b,#071425);border:1px solid var(--line-strong);
      clip-path:polygon(18% 0,100% 0,100% 77%,78% 100%,0 100%,0 20%);box-shadow:0 0 20px rgba(0,240,255,.22);
    }
    .brand-title{max-width:163px;font-size:12px;line-height:1.23;font-weight:850;letter-spacing:.02em}
    .brand-title small{display:block;margin-top:3px;color:var(--cyan);font-size:10px;font-weight:700}
    .nav-links{display:flex;align-items:center;justify-content:center;gap:3px;flex:1}
    .nav-links a{padding:9px 12px;border-radius:8px;color:var(--muted);font-size:13px;font-weight:700;white-space:nowrap;transition:.22s ease}
    .nav-links a:hover,.nav-links a.active{color:#fff;background:rgba(0,82,255,.18)}
    .nav-links a.active{box-shadow:inset 0 -2px 0 var(--cyan)}
    .nav-actions{display:flex;align-items:center;gap:9px}
    .login-link{padding:9px 5px;color:var(--muted);font-size:13px;font-weight:750;white-space:nowrap;transition:color .2s ease}
    .login-link:hover{color:var(--cyan)}
    .button{
      display:inline-flex;align-items:center;justify-content:center;gap:8px;min-height:44px;padding:11px 18px;border-radius:10px;color:#fff;font-size:14px;font-weight:850;line-height:1;
      transition:transform .2s ease,box-shadow .2s ease,background .2s ease,border-color .2s ease;
    }
    .button:focus-visible,.nav-links a:focus-visible,.login-link:focus-visible,.faq-question:focus-visible{outline:3px solid rgba(0,240,255,.58);outline-offset:3px}
    .button:hover{transform:translateY(-2px)}
    .button:active{transform:translateY(1px) scale(.98)}
    .button-primary{background:linear-gradient(135deg,var(--blue),#0877ff 52%,var(--cyan));box-shadow:0 8px 28px rgba(0,82,255,.33),0 0 18px rgba(0,240,255,.15)}
    .button-primary:hover{box-shadow:0 12px 32px rgba(0,82,255,.48),0 0 26px rgba(0,240,255,.32)}
    .button-outline{border:1px solid rgba(0,240,255,.52);background:rgba(1,15,29,.55);color:var(--cyan-soft)}
    .button-outline:hover{background:rgba(0,240,255,.1);border-color:var(--cyan);color:#fff}
    .menu-toggle{display:none;width:42px;height:42px;background:transparent;color:#fff;border:1px solid var(--line);border-radius:10px}
    .inner-hero{position:relative;overflow:hidden;padding:82px 0 76px;border-bottom:1px solid var(--line)}
    .inner-hero:before{
      content:"";position:absolute;inset:0;background:linear-gradient(90deg,rgba(8,9,15,.97),rgba(8,9,15,.64)),url("/assets/images/backpic/back-3.jpg") center/cover no-repeat;z-index:-2
    }
    .inner-hero:after{content:"";position:absolute;right:8%;top:8%;width:260px;height:260px;border:1px solid rgba(0,240,255,.35);border-radius:50%;box-shadow:0 0 0 38px rgba(0,82,255,.06),0 0 70px rgba(0,240,255,.16);z-index:-1}
    .breadcrumb{display:flex;gap:9px;align-items:center;color:var(--muted);font-size:13px;margin-bottom:24px}
    .breadcrumb span{color:var(--cyan)}
    .hero-layout{display:grid;grid-template-columns:minmax(0,1.25fr) minmax(280px,.75fr);gap:48px;align-items:end}
    .eyebrow{display:inline-flex;align-items:center;gap:8px;margin-bottom:16px;color:var(--cyan);font-size:12px;font-weight:850;letter-spacing:.11em;text-transform:uppercase}
    .eyebrow:before{content:"";width:8px;height:8px;border-radius:50%;background:var(--cyan);box-shadow:0 0 14px var(--cyan)}
    h1{max-width:820px;margin-bottom:19px;font-size:clamp(34px,4.4vw,58px)}
    h1 em{font-style:normal;color:var(--cyan);text-shadow:0 0 26px rgba(0,240,255,.25)}
    .hero-lead{max-width:740px;margin-bottom:26px;color:#d2deee;font-size:17px;line-height:1.7}
    .hero-buttons{display:flex;gap:12px;flex-wrap:wrap}
    .trust-strip{display:flex;gap:17px;flex-wrap:wrap;margin-top:28px;color:#c9d7e8;font-size:12px;font-weight:750}
    .trust-strip span{display:flex;align-items:center;gap:7px}
    .trust-strip i{width:8px;height:8px;border-radius:50%;background:var(--good);box-shadow:0 0 12px var(--good)}
    .security-panel{
      padding:25px;background:linear-gradient(145deg,rgba(22,42,78,.87),rgba(7,14,27,.84));border:1px solid rgba(0,240,255,.38);
      clip-path:polygon(0 0,92% 0,100% 8%,100% 100%,8% 100%,0 92%);box-shadow:var(--shadow),inset 0 1px 0 rgba(255,255,255,.09)
    }
    .security-panel h2{font-size:21px;margin-bottom:19px}
    .panel-score{display:flex;align-items:center;gap:15px;padding-bottom:17px;margin-bottom:17px;border-bottom:1px solid var(--line)}
    .score-ring{width:62px;height:62px;border:5px solid var(--cyan);border-left-color:rgba(0,240,255,.2);border-radius:50%;display:grid;place-items:center;color:var(--cyan);font-size:16px;font-weight:900}
    .panel-score strong{display:block;font-size:14px}
    .panel-score span{display:block;color:var(--muted);font-size:12px;line-height:1.45}
    .mini-checks{padding:0;margin:0;list-style:none}
    .mini-checks li{position:relative;padding:7px 0 7px 24px;color:#cdd9e9;font-size:13px}
    .mini-checks li:before{content:"✓";position:absolute;left:0;color:var(--good);font-weight:900}
    .section{padding:88px 0}
    .section-heading{max-width:730px;margin-bottom:34px}
    .section-heading h2{font-size:clamp(28px,3.2vw,40px);margin-bottom:13px}
    .section-heading p,.section-intro{color:var(--muted);margin-bottom:0}
    .signals{display:grid;grid-template-columns:.9fr 1.1fr;gap:30px;align-items:stretch}
    .feature-image{min-height:410px;position:relative;overflow:hidden;border-radius:var(--radius);border:1px solid var(--line);background:#101a2c}
    .feature-image img{width:100%;height:100%;object-fit:cover;opacity:.78}
    .feature-image:after{content:"";position:absolute;inset:0;background:linear-gradient(180deg,transparent 20%,rgba(6,10,20,.9))}
    .image-caption{position:absolute;z-index:1;left:25px;right:25px;bottom:22px}
    .image-caption strong{display:block;font-size:20px;margin-bottom:5px}
    .image-caption span{font-size:13px;color:#d0dceb}
    .signal-list{display:grid;align-content:center;gap:0}
    .signal{
      display:grid;grid-template-columns:50px 1fr;gap:16px;padding:20px 0;border-bottom:1px solid var(--line)
    }
    .signal:first-child{padding-top:0}
    .signal:last-child{border-bottom:0;padding-bottom:0}
    .signal-icon{width:44px;height:44px;display:grid;place-items:center;border-radius:12px;color:var(--cyan);background:rgba(0,82,255,.16);border:1px solid rgba(0,240,255,.28)}
    .signal h3{font-size:18px;margin:0 0 6px}
    .signal p{margin:0;color:var(--muted);font-size:14px}
    .dark-band{background:linear-gradient(110deg,rgba(12,23,43,.91),rgba(7,11,21,.84));border-top:1px solid var(--line);border-bottom:1px solid var(--line)}
    .steps-layout{display:grid;grid-template-columns:minmax(260px,.8fr) minmax(0,1.2fr);gap:58px}
    .sticky-copy{align-self:start;position:sticky;top:108px}
    .sticky-copy h2{font-size:clamp(29px,3vw,40px);margin-bottom:17px}
    .sticky-copy p{color:var(--muted);margin-bottom:24px}
    .step-list{counter-reset:step}
    .step{position:relative;padding:0 0 28px 72px;min-height:86px}
    .step:last-child{padding-bottom:0}
    .step:before{counter-increment:step;content:"0" counter(step);position:absolute;left:0;top:0;width:45px;height:45px;display:grid;place-items:center;border:1px solid var(--line-strong);color:var(--cyan);font-size:13px;font-weight:900;background:rgba(0,82,255,.16);border-radius:11px}
    .step:not(:last-child):after{content:"";position:absolute;left:22px;top:51px;bottom:3px;width:1px;background:linear-gradient(var(--cyan),transparent)}
    .step h3{font-size:19px;margin-bottom:7px}
    .step p{margin:0;color:var(--muted);font-size:14px}
    .alerts-grid{display:grid;grid-template-columns:1fr 1fr;gap:22px}
    .alert-card{position:relative;padding:28px;border:1px solid var(--line);border-radius:var(--radius);background:rgba(17,26,45,.66);overflow:hidden;transition:transform .25s ease,border-color .25s ease,box-shadow .25s ease}
    .alert-card:hover{transform:translateY(-5px);border-color:rgba(0,240,255,.55);box-shadow:0 20px 42px rgba(0,0,0,.27)}
    .alert-card:before{content:"";position:absolute;left:0;top:0;width:100%;height:3px;background:linear-gradient(90deg,var(--blue),var(--cyan))}
    .alert-card.danger:before{background:linear-gradient(90deg,#ff3659,var(--warning))}
    .card-kicker{display:inline-block;margin-bottom:14px;color:var(--cyan);font-size:11px;font-weight:900;letter-spacing:.1em;text-transform:uppercase}
    .danger .card-kicker{color:#ff8095}
    .alert-card h3{font-size:22px;margin-bottom:12px}
    .alert-card p{color:var(--muted);font-size:14px;margin-bottom:17px}
    .plain-list{padding:0;margin:0;list-style:none}
    .plain-list li{position:relative;padding:6px 0 6px 21px;color:#d4dfed;font-size:13px}
    .plain-list li:before{content:"";position:absolute;left:0;top:14px;width:7px;height:7px;border-radius:50%;background:var(--cyan)}
    .danger .plain-list li:before{background:var(--danger)}
    .payment-zone{display:grid;grid-template-columns:1fr .95fr;gap:44px;align-items:center}
    .payment-zone h2{font-size:clamp(28px,3.2vw,40px);margin-bottom:15px}
    .payment-zone p{color:var(--muted)}
    .payment-badges{display:flex;flex-wrap:wrap;gap:10px;margin:23px 0}
    .pay-badge{padding:9px 13px;border:1px solid var(--line);border-radius:9px;color:#dce8f7;font-size:13px;font-weight:850;background:rgba(10,22,41,.72)}
    .transaction-box{padding:25px;border-radius:var(--radius);background:linear-gradient(145deg,rgba(0,82,255,.14),rgba(0,240,255,.04));border:1px solid rgba(0,240,255,.3)}
    .transaction-box h3{font-size:21px;margin-bottom:16px}
    .transaction-row{display:flex;justify-content:space-between;gap:18px;padding:13px 0;border-bottom:1px solid var(--line);font-size:14px}
    .transaction-row:last-child{border:0;padding-bottom:0}
    .transaction-row span{color:var(--muted)}
    .transaction-row strong{color:var(--good);white-space:nowrap}
    .faq-layout{display:grid;grid-template-columns:.72fr 1.28fr;gap:55px;align-items:start}
    .faq-layout h2{font-size:clamp(29px,3.2vw,40px);margin-bottom:16px}
    .faq-layout p{color:var(--muted)}
    .faq-list{border-top:1px solid var(--line)}
    .faq-item{border-bottom:1px solid var(--line)}
    .faq-question{width:100%;display:flex;justify-content:space-between;align-items:center;gap:15px;padding:21px 0;background:none;color:var(--text);font-size:16px;font-weight:800;text-align:left}
    .faq-question span:last-child{color:var(--cyan);font-size:23px;font-weight:400;transition:transform .2s ease}
    .faq-answer{display:none;padding:0 35px 20px 0;color:var(--muted);font-size:14px}
    .faq-item.open .faq-answer{display:block}
    .faq-item.open .faq-question span:last-child{transform:rotate(45deg)}
    .final-cta{padding:38px 0 92px}
    .cta-box{position:relative;overflow:hidden;padding:46px 52px;border:1px solid rgba(0,240,255,.38);border-radius:var(--radius);background:linear-gradient(120deg,rgba(0,82,255,.25),rgba(8,20,40,.93) 52%,rgba(0,240,255,.12));box-shadow:var(--shadow)}
    .cta-box:after{content:"";position:absolute;width:260px;height:260px;right:-85px;top:-100px;border:1px solid rgba(0,240,255,.3);border-radius:50%;box-shadow:0 0 0 30px rgba(0,240,255,.04)}
    .cta-content{position:relative;z-index:1;max-width:720px}
    .cta-box h2{font-size:clamp(28px,3.3vw,42px);margin-bottom:13px}
    .cta-box p{color:#c7d8ec;margin-bottom:24px}
    .site-footer{border-top:1px solid var(--line);background:#070a12;padding-top:56px}
    .footer-grid{display:grid;grid-template-columns:1.35fr .75fr 1fr;gap:48px;padding-bottom:46px}
    .footer-brand p{max-width:420px;margin:18px 0 0;color:var(--muted);font-size:13px}
    .footer-title{font-size:14px;letter-spacing:.02em;margin:6px 0 16px}
    .footer-links{display:grid;gap:10px}
    .footer-links a{color:var(--muted);font-size:13px;transition:color .2s ease,transform .2s ease}
    .footer-links a:hover{color:var(--cyan);transform:translateX(3px)}
    .compliance{display:flex;gap:12px;color:var(--muted);font-size:12px;line-height:1.55}
    .compliance strong{display:block;color:#e5edf8;font-size:13px}
    .age{width:38px;height:38px;flex:0 0 38px;display:grid;place-items:center;border-radius:50%;border:1px solid var(--warning);color:var(--warning);font-weight:900}
    .footer-bottom{display:flex;justify-content:space-between;gap:22px;padding:19px 0;border-top:1px solid var(--line);color:var(--dim);font-size:11px}
    .fab{
      position:fixed;left:16px;bottom:96px;z-index:50;width:54px;height:54px;display:grid;place-items:center;color:var(--cyan);background:rgba(2,10,21,.72);
      border:1px solid var(--cyan);clip-path:polygon(17% 0,83% 0,100% 20%,100% 80%,83% 100%,17% 100%,0 80%,0 20%);
      box-shadow:0 0 18px rgba(0,240,255,.55);opacity:.72;animation:power 2.7s ease-in-out infinite;transition:.2s ease
    }
    .fab:hover{opacity:1;transform:scale(1.1);box-shadow:0 0 32px rgba(0,240,255,.8)}
    .fab span{font-size:20px;font-weight:900;text-shadow:0 0 12px var(--cyan)}
    @keyframes power{50%{opacity:1;box-shadow:0 0 26px rgba(0,240,255,.8)}}
    @media(max-width:1024px){
      .nav-shell{gap:12px}.brand{min-width:150px}.nav-links a{padding:9px 8px;font-size:12px}.hero-layout{gap:27px}.section{padding:72px 0}
      .footer-grid{gap:28px}
    }
    @media(max-width:768px){
      .container{width:min(calc(100% - 32px),var(--container))}
      .nav-shell{min-height:68px;flex-wrap:wrap;padding:10px 0}
      .brand{margin-right:auto}.nav-actions{gap:7px}.nav-actions .button{min-height:38px;padding:10px 11px;font-size:12px}
      .login-link{font-size:12px}.menu-toggle{display:grid;place-items:center;order:4}
      .nav-links{display:none;order:5;flex:0 0 100%;padding:8px 0 2px;justify-content:flex-start;overflow-x:auto}
      .nav-links.show{display:flex}.nav-links a{font-size:12px}
      .inner-hero{padding:58px 0}.hero-layout,.signals,.steps-layout,.payment-zone,.faq-layout{grid-template-columns:1fr;gap:32px}
      .security-panel{max-width:520px}.sticky-copy{position:static}.alerts-grid{gap:16px}.footer-grid{grid-template-columns:1fr 1fr}
      .footer-brand{grid-column:1/-1}.cta-box{padding:37px 30px}
    }
    @media(max-width:520px){
      body{font-size:15px}.container{width:min(calc(100% - 28px),var(--container))}
      .brand-title{max-width:134px;font-size:10px}.brand-title small{font-size:9px}.brand-mark{width:34px;height:34px;flex-basis:34px}
      .nav-actions .button{padding:9px 9px}.login-link{display:none}.inner-hero{padding:49px 0 55px}.breadcrumb{font-size:12px}
      h1{font-size:33px}.hero-lead{font-size:15px}.hero-buttons .button{width:100%}.trust-strip{gap:10px}
      .section{padding:58px 0}.alerts-grid{grid-template-columns:1fr}.feature-image{min-height:310px}.alert-card{padding:23px}
      .step{padding-left:61px}.cta-box{padding:31px 23px}.footer-grid{grid-template-columns:1fr;gap:30px}.footer-brand{grid-column:auto}
      .footer-bottom{display:block;line-height:1.7}.footer-bottom span{display:block}.footer-bottom span+span{margin-top:7px}.fab{bottom:78px}
    }