/* roulang page: index */
:root{
      --color-bg:#090a18;
      --color-bg-soft:#101225;
      --color-panel:#ffffff;
      --color-panel-soft:#f8fafc;
      --color-text:#111827;
      --color-muted:#64748b;
      --color-light:#f8fafc;
      --color-primary:#7c3aed;
      --color-primary-dark:#5b21b6;
      --color-accent:#f97316;
      --color-cyan:#22d3ee;
      --color-green:#22c55e;
      --color-border:rgba(148,163,184,.28);
      --radius-sm:12px;
      --radius-md:18px;
      --radius-lg:28px;
      --radius-xl:36px;
      --shadow-card:0 18px 50px rgba(15,23,42,.10);
      --shadow-deep:0 30px 90px rgba(7,10,31,.45);
      --max-width:1180px;
      --nav-height:76px;
    }
    *{box-sizing:border-box}
    html{scroll-behavior:smooth}
    body{
      margin:0;
      min-height:100vh;
      font-family:Inter,ui-sans-serif,system-ui,-apple-system,BlinkMacSystemFont,"Segoe UI","Microsoft YaHei",Arial,sans-serif;
      color:var(--color-text);
      background:
        radial-gradient(circle at 8% 0%, rgba(124,58,237,.22), transparent 28%),
        radial-gradient(circle at 92% 8%, rgba(249,115,22,.16), transparent 24%),
        linear-gradient(180deg,#0b0c1f 0%,#111328 25%,#f8fafc 25.2%,#f8fafc 100%);
      line-height:1.65;
      overflow-x:hidden;
    }
    a{color:inherit;text-decoration:none}
    img{max-width:100%;display:block}
    button,input{font:inherit}
    button{border:none;cursor:pointer}
    ::selection{background:rgba(124,58,237,.22)}
    .container{
      width:min(var(--max-width), calc(100% - 40px));
      margin:0 auto;
    }
    .site-header{
      position:sticky;
      top:0;
      z-index:50;
      backdrop-filter:saturate(160%) blur(18px);
      background:rgba(9,10,24,.76);
      border-bottom:1px solid rgba(255,255,255,.10);
    }
    .nav-shell{
      height:var(--nav-height);
      display:flex;
      align-items:center;
      justify-content:space-between;
      gap:18px;
    }
    .brand{
      display:flex;
      align-items:center;
      gap:12px;
      min-width:max-content;
      color:#fff;
      font-weight:900;
      letter-spacing:-.02em;
    }
    .brand-mark{
      width:42px;
      height:42px;
      border-radius:16px;
      display:grid;
      place-items:center;
      background:linear-gradient(135deg,var(--color-primary),var(--color-accent));
      box-shadow:0 12px 30px rgba(124,58,237,.38);
      color:#fff;
      font-size:18px;
    }
    .brand-text{font-size:17px;white-space:nowrap}
    .nav-links{
      display:flex;
      align-items:center;
      justify-content:center;
      gap:8px;
      padding:6px;
      border:1px solid rgba(255,255,255,.10);
      border-radius:999px;
      background:rgba(255,255,255,.06);
    }
    .nav-link{
      color:rgba(255,255,255,.72);
      font-size:14px;
      font-weight:700;
      padding:9px 16px;
      border-radius:999px;
      transition:background .2s ease,color .2s ease,transform .2s ease;
    }
    .nav-link:hover,.nav-link.active{
      background:rgba(255,255,255,.13);
      color:#fff;
      transform:translateY(-1px);
    }
    .nav-actions{
      display:flex;
      align-items:center;
      justify-content:flex-end;
      gap:10px;
      min-width:330px;
    }
    .command-search{
      height:42px;
      width:210px;
      display:flex;
      align-items:center;
      gap:8px;
      padding:0 12px;
      border-radius:16px;
      color:rgba(255,255,255,.72);
      background:rgba(255,255,255,.08);
      border:1px solid rgba(255,255,255,.12);
      transition:border-color .2s ease,background .2s ease,box-shadow .2s ease;
    }
    .command-search:focus-within{
      border-color:rgba(34,211,238,.65);
      background:rgba(255,255,255,.12);
      box-shadow:0 0 0 4px rgba(34,211,238,.10);
    }
    .command-search input{
      width:100%;
      background:transparent;
      border:0;
      outline:0;
      color:#fff;
      font-size:13px;
    }
    .command-search input::placeholder{color:rgba(255,255,255,.50)}
    .kbd{
      font-size:11px;
      padding:2px 6px;
      border-radius:8px;
      background:rgba(255,255,255,.10);
      border:1px solid rgba(255,255,255,.10);
    }
    .btn{
      display:inline-flex;
      align-items:center;
      justify-content:center;
      gap:8px;
      min-height:46px;
      padding:12px 18px;
      border-radius:16px;
      font-weight:850;
      line-height:1;
      transition:transform .18s ease, box-shadow .18s ease, background .18s ease, border-color .18s ease, color .18s ease;
      outline:none;
      white-space:nowrap;
    }
    .btn:focus-visible,.nav-link:focus-visible,.mobile-toggle:focus-visible,a:focus-visible,input:focus-visible{
      outline:3px solid rgba(34,211,238,.45);
      outline-offset:3px;
    }
    .btn-primary{
      color:#fff;
      background:linear-gradient(135deg,var(--color-primary),#9f5cff 52%,var(--color-accent));
      box-shadow:0 14px 34px rgba(124,58,237,.34);
    }
    .btn-primary:hover{transform:translateY(-2px);box-shadow:0 20px 42px rgba(124,58,237,.42)}
    .btn-ghost{
      color:#fff;
      border:1px solid rgba(255,255,255,.16);
      background:rgba(255,255,255,.08);
    }
    .btn-ghost:hover{background:rgba(255,255,255,.14);transform:translateY(-2px)}
    .btn-light{
      color:#22143c;
      background:#fff;
      box-shadow:0 14px 34px rgba(15,23,42,.12);
    }
    .btn-light:hover{transform:translateY(-2px);box-shadow:0 18px 46px rgba(15,23,42,.18)}
    .btn-outline{
      color:var(--color-primary-dark);
      border:1px solid rgba(124,58,237,.26);
      background:rgba(124,58,237,.06);
    }
    .btn-outline:hover{background:rgba(124,58,237,.10);transform:translateY(-2px)}
    .mobile-toggle{
      display:none;
      width:44px;
      height:44px;
      border-radius:15px;
      color:#fff;
      background:rgba(255,255,255,.09);
      border:1px solid rgba(255,255,255,.12);
    }
    .mobile-menu{
      display:none;
      padding:0 0 16px;
    }
    .mobile-menu.open{display:block}
    .mobile-menu-inner{
      display:grid;
      gap:10px;
      padding:14px;
      border-radius:22px;
      background:rgba(255,255,255,.08);
      border:1px solid rgba(255,255,255,.12);
    }
    .section{
      padding:84px 0;
      position:relative;
    }
    .section-tight{padding:62px 0}
    .eyebrow{
      display:inline-flex;
      align-items:center;
      gap:8px;
      padding:8px 12px;
      border-radius:999px;
      font-size:13px;
      font-weight:850;
      color:var(--color-primary-dark);
      background:rgba(124,58,237,.10);
      border:1px solid rgba(124,58,237,.18);
    }
    .eyebrow.dark{
      color:#fff;
      background:rgba(255,255,255,.10);
      border-color:rgba(255,255,255,.14);
    }
    .section-title{
      margin:14px 0 12px;
      font-size:clamp(28px,4vw,46px);
      line-height:1.12;
      letter-spacing:-.04em;
      font-weight:950;
      color:#101827;
    }
    .section-desc{
      margin:0;
      max-width:760px;
      color:var(--color-muted);
      font-size:17px;
    }
    .hero{
      min-height:650px;
      padding:70px 0 76px;
      color:#fff;
      overflow:hidden;
    }
    .hero::before{
      content:"";
      position:absolute;
      inset:0;
      background:
        linear-gradient(90deg, rgba(255,255,255,.05) 1px, transparent 1px),
        linear-gradient(0deg, rgba(255,255,255,.04) 1px, transparent 1px);
      background-size:52px 52px;
      mask-image:linear-gradient(180deg,rgba(0,0,0,.7),transparent 80%);
      pointer-events:none;
    }
    .hero-band{
      position:relative;
      display:grid;
      grid-template-columns:1.05fr .95fr;
      gap:28px;
      align-items:stretch;
    }
    .hero-copy{
      min-height:520px;
      display:flex;
      flex-direction:column;
      justify-content:center;
      padding:40px;
      border-radius:var(--radius-xl);
      background:
        linear-gradient(145deg,rgba(255,255,255,.13),rgba(255,255,255,.05)),
        radial-gradient(circle at 8% 16%,rgba(34,211,238,.20),transparent 32%);
      border:1px solid rgba(255,255,255,.16);
      box-shadow:var(--shadow-deep);
      overflow:hidden;
    }
    .hero h1{
      margin:20px 0 18px;
      max-width:820px;
      font-size:clamp(40px,6.8vw,76px);
      line-height:.98;
      letter-spacing:-.07em;
      font-weight:1000;
    }
    .hero-lead{
      max-width:760px;
      margin:0;
      color:rgba(255,255,255,.78);
      font-size:18px;
      line-height:1.85;
    }
    .hero-points{
      display:grid;
      grid-template-columns:repeat(3,minmax(0,1fr));
      gap:12px;
      margin:26px 0 28px;
      padding:0;
      list-style:none;
    }
    .hero-points li{
      padding:14px;
      border-radius:18px;
      background:rgba(255,255,255,.08);
      border:1px solid rgba(255,255,255,.12);
      color:rgba(255,255,255,.88);
      font-size:14px;
      font-weight:750;
    }
    .hero-actions{display:flex;flex-wrap:wrap;gap:12px;align-items:center}
    .trust-strip{
      margin-top:24px;
      display:flex;
      flex-wrap:wrap;
      gap:10px;
      color:rgba(255,255,255,.68);
      font-size:13px;
      font-weight:700;
    }
    .trust-strip span{
      display:inline-flex;
      align-items:center;
      gap:6px;
      padding:8px 10px;
      border-radius:999px;
      background:rgba(255,255,255,.07);
      border:1px solid rgba(255,255,255,.10);
    }
    .stage-panel{
      position:relative;
      min-height:520px;
      border-radius:var(--radius-xl);
      border:1px solid rgba(255,255,255,.16);
      background:
        radial-gradient(circle at 70% 12%,rgba(249,115,22,.30),transparent 28%),
        linear-gradient(145deg,rgba(15,16,36,.96),rgba(35,22,62,.82));
      box-shadow:var(--shadow-deep);
      padding:24px;
      overflow:hidden;
    }
    .stage-panel::after{
      content:"";
      position:absolute;
      width:260px;
      height:260px;
      right:-80px;
      bottom:-90px;
      background:rgba(34,211,238,.18);
      border-radius:50%;
      filter:blur(4px);
    }
    .status-line{
      height:10px;
      border-radius:999px;
      overflow:hidden;
      background:rgba(255,255,255,.09);
      margin:12px 0 20px;
    }
    .status-line b{
      display:block;
      width:76%;
      height:100%;
      border-radius:999px;
      background:linear-gradient(90deg,var(--color-cyan),var(--color-accent));
    }
    .stage-grid{
      display:grid;
      grid-template-columns:1fr 1fr;
      gap:14px;
      position:relative;
      z-index:1;
    }
    .stage-card{
      padding:18px;
      border-radius:22px;
      background:rgba(255,255,255,.08);
      border:1px solid rgba(255,255,255,.12);
    }
    .stage-card.big{grid-column:span 2;padding:22px}
    .stage-label{font-size:13px;color:rgba(255,255,255,.58);font-weight:800}
    .stage-num{
      display:block;
      margin-top:6px;
      font-size:34px;
      line-height:1;
      font-weight:1000;
      letter-spacing:-.04em;
    }
    .mini-list{display:grid;gap:10px;margin-top:16px}
    .mini-row{
      display:flex;
      justify-content:space-between;
      gap:12px;
      padding:12px;
      border-radius:16px;
      background:rgba(255,255,255,.07);
      color:rgba(255,255,255,.80);
      font-size:13px;
      font-weight:750;
    }
    .cards-grid{
      display:grid;
      grid-template-columns:repeat(4,minmax(0,1fr));
      gap:16px;
      margin-top:30px;
    }
    .entry-card,.feature-card,.bubble,.faq-item,.download-card{
      border:1px solid var(--color-border);
      background:#fff;
      box-shadow:var(--shadow-card);
      border-radius:var(--radius-lg);
      transition:transform .2s ease, box-shadow .2s ease, border-color .2s ease;
    }
    .entry-card:hover,.feature-card:hover,.download-card:hover{
      transform:translateY(-5px);
      box-shadow:0 24px 70px rgba(15,23,42,.14);
      border-color:rgba(124,58,237,.28);
    }
    .entry-card{padding:22px}
    .icon-badge{
      width:44px;
      height:44px;
      border-radius:16px;
      display:grid;
      place-items:center;
      margin-bottom:18px;
      color:#fff;
      background:linear-gradient(135deg,var(--color-primary),var(--color-accent));
      box-shadow:0 12px 26px rgba(124,58,237,.20);
      font-weight:950;
    }
    .card-title{
      margin:0 0 8px;
      font-size:18px;
      font-weight:950;
      letter-spacing:-.02em;
      color:#111827;
    }
    .card-text{
      margin:0;
      color:var(--color-muted);
      font-size:14px;
      line-height:1.75;
    }
    .tag-row{display:flex;flex-wrap:wrap;gap:8px;margin-top:16px}
    .tag{
      display:inline-flex;
      align-items:center;
      padding:6px 9px;
      border-radius:999px;
      font-size:12px;
      font-weight:850;
      color:#5b21b6;
      background:rgba(124,58,237,.08);
      border:1px solid rgba(124,58,237,.14);
    }
    .timeline-wrap{
      display:grid;
      grid-template-columns:.78fr 1.22fr;
      gap:30px;
      align-items:start;
      margin-top:34px;
    }
    .milestone-card{
      padding:28px;
      border-radius:var(--radius-xl);
      color:#fff;
      background:
        radial-gradient(circle at 18% 14%,rgba(34,211,238,.22),transparent 30%),
        linear-gradient(145deg,#161834,#2b174f 72%,#321c20);
      box-shadow:var(--shadow-deep);
      border:1px solid rgba(255,255,255,.10);
    }
    .milestone-card strong{
      display:block;
      font-size:54px;
      line-height:1;
      letter-spacing:-.06em;
      margin:8px 0;
    }
    .progress{
      margin-top:22px;
      height:12px;
      border-radius:999px;
      background:rgba(255,255,255,.10);
      overflow:hidden;
    }
    .progress span{
      display:block;
      height:100%;
      width:68%;
      background:linear-gradient(90deg,var(--color-cyan),var(--color-accent));
      border-radius:999px;
    }
    .timeline{
      display:grid;
      gap:14px;
    }
    .timeline-item{
      display:grid;
      grid-template-columns:92px 1fr;
      gap:18px;
      padding:18px;
      border-radius:24px;
      background:#fff;
      border:1px solid var(--color-border);
      box-shadow:0 12px 34px rgba(15,23,42,.06);
    }
    .time-pill{
      align-self:start;
      text-align:center;
      padding:8px 10px;
      border-radius:14px;
      color:#fff;
      background:#111827;
      font-size:13px;
      font-weight:900;
    }
    .timeline-item h3{margin:0 0 6px;font-size:17px;font-weight:950}
    .timeline-item p{margin:0;color:var(--color-muted);font-size:14px}
    .news-layout{
      display:grid;
      grid-template-columns:1.25fr .75fr;
      gap:22px;
      margin-top:30px;
    }
    .news-list{
      background:#fff;
      border:1px solid var(--color-border);
      border-radius:var(--radius-xl);
      box-shadow:var(--shadow-card);
      overflow:hidden;
    }
    .news-item{
      display:grid;
      grid-template-columns:112px 1fr auto;
      align-items:center;
      gap:18px;
      padding:20px 22px;
      border-bottom:1px solid rgba(148,163,184,.20);
      transition:background .2s ease;
    }
    .news-item:last-child{border-bottom:0}
    .news-item:hover{background:#faf5ff}
    .news-date{
      color:#7c3aed;
      font-weight:950;
      font-size:13px;
    }
    .news-item a{
      display:block;
      color:#101827;
      font-size:17px;
      font-weight:900;
      line-height:1.4;
    }
    .news-item a:hover{color:var(--color-primary-dark)}
    .news-item p{margin:5px 0 0;color:var(--color-muted);font-size:14px}
    .arrow{
      color:#94a3b8;
      font-weight:950;
    }
    .side-stack{display:grid;gap:16px}
    .rank-card,.dynamic-card{
      padding:22px;
      border-radius:var(--radius-xl);
      background:#fff;
      border:1px solid var(--color-border);
      box-shadow:var(--shadow-card);
    }
    .rank-card h3,.dynamic-card h3{margin:0 0 16px;font-size:20px;font-weight:950}
    .rank-list{display:grid;gap:10px;margin:0;padding:0;list-style:none}
    .rank-list li{
      display:grid;
      grid-template-columns:32px 1fr auto;
      gap:10px;
      align-items:center;
      padding:10px;
      border-radius:16px;
      background:#f8fafc;
    }
    .rank-no{
      width:28px;
      height:28px;
      display:grid;
      place-items:center;
      border-radius:10px;
      background:#111827;
      color:#fff;
      font-size:12px;
      font-weight:950;
    }
    .rank-title{font-size:14px;font-weight:900;color:#111827}
    .rank-meta{font-size:12px;color:#ef4444;font-weight:950}
    .kpi-row{
      display:grid;
      grid-template-columns:repeat(3,1fr);
      gap:10px;
      margin-top:16px;
    }
    .kpi{
      padding:12px;
      border-radius:16px;
      background:#f8fafc;
      text-align:center;
    }
    .kpi strong{display:block;font-size:20px;font-weight:1000;color:#111827}
    .kpi span{font-size:12px;color:var(--color-muted);font-weight:800}
    .guarantee{
      background:
        radial-gradient(circle at 12% 0%,rgba(124,58,237,.12),transparent 24%),
        linear-gradient(180deg,#fff,#f8fafc);
    }
    .feature-grid{
      display:grid;
      grid-template-columns:1fr 1fr 1fr;
      gap:18px;
      margin-top:30px;
    }
    .feature-card{padding:24px}
    .feature-card h3{margin:0 0 8px;font-size:19px;font-weight:950}
    .check-list{
      display:grid;
      gap:12px;
      margin:18px 0 0;
      padding:0;
      list-style:none;
    }
    .check-list li{
      display:flex;
      gap:10px;
      color:var(--color-muted);
      font-size:14px;
    }
    .check-list li::before{
      content:"✓";
      flex:0 0 22px;
      width:22px;
      height:22px;
      border-radius:50%;
      display:grid;
      place-items:center;
      color:#fff;
      background:var(--color-green);
      font-size:12px;
      font-weight:950;
      margin-top:1px;
    }
    .bubble-wall{
      display:grid;
      grid-template-columns:repeat(3,minmax(0,1fr));
      gap:16px;
      margin-top:30px;
    }
    .bubble{padding:22px;background:#fff}
    .bubble-head{display:flex;align-items:center;gap:12px;margin-bottom:12px}
    .avatar{
      width:42px;
      height:42px;
      border-radius:50%;
      display:grid;
      place-items:center;
      color:#fff;
      font-weight:950;
      background:linear-gradient(135deg,#111827,var(--color-primary));
    }
    .bubble-name{font-weight:950;color:#111827}
    .bubble-time{font-size:12px;color:var(--color-muted);font-weight:750}
    .bubble p{margin:0;color:#475569;font-size:14px;line-height:1.8}
    .app-stage{
      display:grid;
      grid-template-columns:.92fr 1.08fr;
      gap:28px;
      align-items:center;
      padding:34px;
      border-radius:var(--radius-xl);
      background:
        radial-gradient(circle at 70% 16%,rgba(249,115,22,.22),transparent 28%),
        linear-gradient(145deg,#111827,#24123f);
      color:#fff;
      box-shadow:var(--shadow-deep);
      overflow:hidden;
      position:relative;
    }
    .app-stage .section-title{color:#fff}
    .app-stage .section-desc{color:rgba(255,255,255,.72)}
    .device-frame{
      position:relative;
      border-radius:34px;
      padding:18px;
      background:rgba(255,255,255,.10);
      border:1px solid rgba(255,255,255,.16);
      box-shadow:inset 0 0 0 1px rgba(255,255,255,.08),0 30px 80px rgba(0,0,0,.30);
    }
    .screen{
      border-radius:26px;
      overflow:hidden;
      background:#f8fafc;
      color:#111827;
      padding:18px;
    }
    .screen-top{display:flex;justify-content:space-between;align-items:center;margin-bottom:16px}
    .screen-title{font-weight:1000;letter-spacing:-.03em}
    .pill-dot{display:flex;gap:5px}
    .pill-dot span{width:8px;height:8px;border-radius:50%;background:#cbd5e1}
    .screen-row{
      display:grid;
      grid-template-columns:1fr auto;
      gap:12px;
      align-items:center;
      padding:14px;
      border-radius:18px;
      background:#fff;
      border:1px solid rgba(148,163,184,.22);
      margin-top:10px;
    }
    .screen-row b{font-size:14px}
    .screen-row small{display:block;color:var(--color-muted);margin-top:2px}
    .state{
      padding:6px 8px;
      border-radius:999px;
      color:#166534;
      background:#dcfce7;
      font-size:12px;
      font-weight:950;
    }
    .download-cards{
      display:grid;
      grid-template-columns:repeat(2,minmax(0,1fr));
      gap:12px;
      margin:22px 0;
    }
    .download-card{
      padding:16px;
      background:rgba(255,255,255,.09);
      border-color:rgba(255,255,255,.13);
      box-shadow:none;
      color:#fff;
    }
    .download-card p{margin:6px 0 0;color:rgba(255,255,255,.64);font-size:13px}
    .faq-layout{
      display:grid;
      grid-template-columns:.78fr 1.22fr;
      gap:24px;
      align-items:start;
    }
    .faq-list{display:grid;gap:14px}
    .faq-item{overflow:hidden}
    .faq-question{
      width:100%;
      display:flex;
      align-items:center;
      justify-content:space-between;
      gap:16px;
      padding:20px 22px;
      background:#fff;
      color:#111827;
      font-size:16px;
      font-weight:950;
      text-align:left;
    }
    .faq-question span:last-child{
      width:28px;
      height:28px;
      display:grid;
      place-items:center;
      border-radius:50%;
      background:#f1f5f9;
      color:#7c3aed;
      transition:transform .2s ease;
    }
    .faq-answer{
      display:none;
      padding:0 22px 20px;
      color:var(--color-muted);
      font-size:14px;
      line-height:1.85;
      background:#fff;
    }
    .faq-item.open .faq-answer{display:block}
    .faq-item.open .faq-question span:last-child{transform:rotate(45deg)}
    .cta-card{
      padding:28px;
      border-radius:var(--radius-xl);
      color:#fff;
      background:linear-gradient(145deg,var(--color-primary),#21112e 72%,#0f1024);
      box-shadow:var(--shadow-deep);
    }
    .cta-card h2{margin:0 0 12px;font-size:30px;line-height:1.15;font-weight:1000;letter-spacing:-.04em}
    .cta-card p{margin:0 0 20px;color:rgba(255,255,255,.74)}
    .input-line{
      display:flex;
      gap:10px;
      padding:8px;
      border-radius:18px;
      background:rgba(255,255,255,.10);
      border:1px solid rgba(255,255,255,.14);
    }
    .input-line input{
      min-width:0;
      flex:1;
      border:0;
      outline:0;
      background:transparent;
      color:#fff;
      padding:0 10px;
    }
    .input-line input::placeholder{color:rgba(255,255,255,.54)}
    .site-footer{
      padding:48px 0 30px;
      color:rgba(255,255,255,.74);
      background:#090a18;
      border-top:1px solid rgba(255,255,255,.10);
    }
    .footer-grid{
      display:grid;
      grid-template-columns:1.2fr .8fr .8fr;
      gap:24px;
      align-items:start;
    }
    .footer-logo{
      display:flex;
      align-items:center;
      gap:12px;
      color:#fff;
      font-size:18px;
      font-weight:950;
      margin-bottom:12px;
    }
    .footer-logo span:first-child{
      width:38px;
      height:38px;
      border-radius:14px;
      display:grid;
      place-items:center;
      background:linear-gradient(135deg,var(--color-primary),var(--color-accent));
    }
    .footer-title{color:#fff;font-weight:950;margin:0 0 12px}
    .footer-links{display:grid;gap:9px}
    .footer-links a{color:rgba(255,255,255,.66);font-size:14px;transition:color .2s ease}
    .footer-links a:hover{color:#fff}
    .footer-bottom{
      display:flex;
      justify-content:space-between;
      gap:18px;
      flex-wrap:wrap;
      margin-top:34px;
      padding-top:22px;
      border-top:1px solid rgba(255,255,255,.10);
      font-size:13px;
      color:rgba(255,255,255,.54);
    }
    @media (max-width:1024px){
      .nav-actions{min-width:auto}
      .command-search{display:none}
      .hero-band,.timeline-wrap,.news-layout,.app-stage,.faq-layout{grid-template-columns:1fr}
      .hero-copy,.stage-panel{min-height:auto}
      .cards-grid{grid-template-columns:repeat(2,minmax(0,1fr))}
      .feature-grid,.bubble-wall{grid-template-columns:1fr 1fr}
      .stage-panel{order:-1}
    }
    @media (max-width:768px){
      :root{--nav-height:68px}
      .container{width:min(100% - 28px,var(--max-width))}
      .nav-links,.nav-actions{display:none}
      .mobile-toggle{display:grid;place-items:center}
      .brand-text{font-size:15px;max-width:210px;overflow:hidden;text-overflow:ellipsis}
      .hero{padding:38px 0 52px;min-height:auto}
      .hero-copy,.stage-panel,.app-stage,.cta-card{padding:22px;border-radius:26px}
      .hero-points{grid-template-columns:1fr}
      .stage-grid{grid-template-columns:1fr}
      .stage-card.big{grid-column:auto}
      .section{padding:58px 0}
      .section-tight{padding:46px 0}
      .cards-grid,.feature-grid,.bubble-wall,.download-cards{grid-template-columns:1fr}
      .news-item{grid-template-columns:1fr;gap:8px}
      .news-date{font-size:12px}
      .arrow{display:none}
      .timeline-item{grid-template-columns:1fr}
      .footer-grid{grid-template-columns:1fr}
      .input-line{flex-direction:column}
      .input-line .btn{width:100%}
    }
    @media (max-width:520px){
      body{background:linear-gradient(180deg,#0b0c1f 0%,#111328 18%,#f8fafc 18.2%,#f8fafc 100%)}
      .hero h1{font-size:38px}
      .hero-lead,.section-desc{font-size:15px}
      .hero-actions .btn{width:100%}
      .trust-strip span{width:100%;justify-content:center}
      .kpi-row{grid-template-columns:1fr}
      .section-title{font-size:30px}
    }