/* roulang page: index */
:root{
      --bg:#07111f;
      --bg-2:#0a1628;
      --bg-3:#0d1b2f;
      --panel:rgba(15,30,52,.62);
      --panel-strong:rgba(20,39,68,.78);
      --line:rgba(148,163,184,.18);
      --line-strong:rgba(56,189,248,.42);
      --text:#e5f4ff;
      --muted:#9fb3c8;
      --soft:#6f849d;
      --cyan:#22d3ee;
      --blue:#38bdf8;
      --indigo:#6366f1;
      --violet:#8b5cf6;
      --green:#2dd4bf;
      --amber:#fbbf24;
      --danger:#f87171;
      --radius-lg:32px;
      --radius-md:24px;
      --radius-sm:16px;
      --shadow:0 24px 70px rgba(0,0,0,.38);
      --glow:0 0 42px rgba(56,189,248,.18);
      --nav-h:78px;
    }
    *{box-sizing:border-box}
    html{scroll-behavior:smooth}
    body{
      margin:0;
      min-height:100vh;
      color:var(--text);
      background:
        radial-gradient(circle at 18% 8%, rgba(34,211,238,.16), transparent 30%),
        radial-gradient(circle at 82% 16%, rgba(99,102,241,.18), transparent 34%),
        radial-gradient(circle at 50% 90%, rgba(45,212,191,.10), transparent 34%),
        linear-gradient(180deg,var(--bg),var(--bg-2) 46%,#06101d);
      font-family:system-ui,-apple-system,BlinkMacSystemFont,"PingFang SC","Microsoft YaHei","Noto Sans SC",sans-serif;
      line-height:1.75;
      overflow-x:hidden;
      padding-bottom:98px;
    }
    body::before{
      content:"";
      position:fixed;
      inset:0;
      pointer-events:none;
      opacity:.18;
      z-index:-1;
      background-image:
        linear-gradient(rgba(255,255,255,.045) 1px, transparent 1px),
        linear-gradient(90deg, rgba(255,255,255,.04) 1px, transparent 1px);
      background-size:42px 42px;
      mask-image:radial-gradient(circle at center, black, transparent 78%);
    }
    body::after{
      content:"";
      position:fixed;
      inset:0;
      pointer-events:none;
      z-index:-1;
      opacity:.14;
      background:
        repeating-linear-gradient(90deg, transparent 0 18px, rgba(34,211,238,.25) 18px 19px, transparent 19px 42px);
      transform:skewY(-8deg) translateY(40vh);
      height:170px;
      filter:blur(.3px);
    }
    a{color:inherit;text-decoration:none}
    img,svg{max-width:100%;display:block}
    button,input,select,textarea{font:inherit}
    button{cursor:pointer;border:0}
    .container{width:min(1220px,calc(100% - 40px));margin-inline:auto}
    .site-header{
      position:sticky;
      top:0;
      z-index:60;
      height:var(--nav-h);
      display:flex;
      align-items:center;
      backdrop-filter:blur(22px);
      background:rgba(7,17,31,.66);
      border-bottom:1px solid rgba(148,163,184,.12);
    }
    .nav-wrap{display:flex;align-items:center;justify-content:space-between;gap:24px}
    .brand{
      display:flex;
      align-items:center;
      gap:12px;
      min-width:max-content;
      font-weight:750;
      letter-spacing:.01em;
      color:#f5fbff;
    }
    .brand-mark{
      width:38px;height:38px;border-radius:14px;
      background:linear-gradient(135deg,rgba(34,211,238,.9),rgba(99,102,241,.75));
      box-shadow:0 0 28px rgba(34,211,238,.28);
      position:relative;
      overflow:hidden;
      border:1px solid rgba(255,255,255,.22);
    }
    .brand-mark::before,.brand-mark::after{
      content:"";
      position:absolute;
      left:8px;right:8px;
      height:2px;border-radius:99px;
      background:rgba(255,255,255,.86);
      box-shadow:0 8px 0 rgba(255,255,255,.56),0 16px 0 rgba(255,255,255,.34);
      top:9px;
    }
    .brand-mark::after{
      left:15px;right:15px;top:5px;height:28px;width:8px;
      background:rgba(255,255,255,.22);
      box-shadow:none;border-radius:999px;
    }
    .brand-text{font-size:16px}
    .desktop-nav{display:flex;align-items:center;gap:4px}
    .nav-link{
      position:relative;
      padding:10px 14px;
      color:var(--muted);
      font-size:14px;
      transition:.22s ease;
      border-radius:999px;
    }
    .nav-link:hover{color:var(--text);background:rgba(255,255,255,.055)}
    .nav-link.active{color:#fff}
    .nav-link.active::after{
      content:"";
      position:absolute;
      left:16px;right:16px;bottom:5px;
      height:2px;border-radius:99px;
      background:linear-gradient(90deg,var(--blue),var(--cyan));
      box-shadow:0 0 14px rgba(34,211,238,.62);
    }
    .nav-actions{display:flex;align-items:center;gap:12px}
    .menu-btn{
      display:none;
      width:44px;height:44px;border-radius:14px;
      background:rgba(255,255,255,.06);
      border:1px solid var(--line);
      color:var(--text);
    }
    .menu-btn span{display:block;width:18px;height:2px;background:currentColor;margin:5px auto;border-radius:99px}
    .mobile-panel{
      display:none;
      position:fixed;
      left:20px;right:20px;top:86px;
      padding:18px;
      border:1px solid var(--line);
      border-radius:24px;
      background:rgba(7,17,31,.92);
      backdrop-filter:blur(22px);
      box-shadow:var(--shadow);
      z-index:70;
    }
    .mobile-panel.open{display:block}
    .mobile-panel a{display:block;padding:14px 12px;border-radius:16px;color:var(--muted)}
    .mobile-panel a.active,.mobile-panel a:hover{background:rgba(34,211,238,.09);color:#fff}
    .btn{
      display:inline-flex;
      align-items:center;
      justify-content:center;
      gap:9px;
      min-height:46px;
      padding:12px 20px;
      border-radius:999px;
      font-weight:700;
      font-size:14px;
      transition:transform .22s ease,box-shadow .22s ease,border-color .22s ease,background .22s ease,color .22s ease;
      user-select:none;
      white-space:nowrap;
    }
    .btn-primary{
      color:#fff;
      background:linear-gradient(135deg,var(--blue),var(--cyan) 52%,var(--green));
      box-shadow:0 12px 34px rgba(34,211,238,.22), inset 0 1px 0 rgba(255,255,255,.34);
    }
    .btn-primary:hover{transform:translateY(-2px);box-shadow:0 18px 44px rgba(34,211,238,.34),0 0 0 1px rgba(255,255,255,.18) inset}
    .btn-secondary{
      color:#dff7ff;
      background:rgba(255,255,255,.055);
      border:1px solid rgba(148,163,184,.22);
      backdrop-filter:blur(14px);
    }
    .btn-secondary:hover{transform:translateY(-2px);border-color:var(--line-strong);background:rgba(34,211,238,.08)}
    .btn-small{min-height:38px;padding:9px 14px;font-size:13px}
    .badge,.tag{
      display:inline-flex;align-items:center;gap:7px;
      border-radius:999px;
      border:1px solid rgba(148,163,184,.2);
      background:rgba(255,255,255,.06);
      color:#cdeefe;
      padding:7px 11px;
      font-size:13px;
      line-height:1.2;
    }
    .badge .dot,.tag .dot{width:7px;height:7px;border-radius:50%;background:var(--green);box-shadow:0 0 12px rgba(45,212,191,.72)}
    .badge.warn{color:#ffe9a8;border-color:rgba(251,191,36,.28);background:rgba(251,191,36,.08)}
    .badge.warn .dot{background:var(--amber);box-shadow:0 0 12px rgba(251,191,36,.55)}
    .section{padding:96px 0;position:relative}
    .section-tight{padding:72px 0}
    .section-head{display:flex;align-items:flex-end;justify-content:space-between;gap:28px;margin-bottom:34px}
    .section-kicker{color:var(--cyan);font-weight:750;font-size:14px;margin-bottom:8px}
    h1,h2,h3{margin:0;color:#f6fbff;line-height:1.12}
    h1{font-size:clamp(38px,6vw,70px);font-weight:820;letter-spacing:-.035em}
    h2{font-size:clamp(28px,4vw,44px);font-weight:780;letter-spacing:-.02em}
    h3{font-size:22px;font-weight:730}
    p{margin:0;color:var(--muted)}
    .lead{font-size:17px;line-height:1.9;color:#bfd2e4}
    .gradient-text{background:linear-gradient(90deg,#fff,var(--cyan),#a5b4fc);-webkit-background-clip:text;background-clip:text;color:transparent}
    .glass{
      background:var(--panel);
      border:1px solid var(--line);
      box-shadow:var(--shadow);
      backdrop-filter:blur(18px);
    }
    .hero{
      min-height:calc(92vh - var(--nav-h));
      display:flex;
      align-items:center;
      padding:72px 0 64px;
      overflow:hidden;
    }
    .hero-grid{
      display:grid;
      grid-template-columns:1.06fr .94fr;
      gap:28px;
      align-items:stretch;
    }
    .hero-copy{
      border-radius:var(--radius-lg);
      padding:44px;
      position:relative;
      overflow:hidden;
    }
    .hero-copy::before{
      content:"";
      position:absolute;inset:-1px;
      background:radial-gradient(circle at 18% 12%,rgba(34,211,238,.22),transparent 34%),radial-gradient(circle at 90% 78%,rgba(99,102,241,.16),transparent 30%);
      pointer-events:none;
    }
    .hero-copy>*{position:relative}
    .hero-badges{display:flex;flex-wrap:wrap;gap:10px;margin-bottom:24px}
    .hero-actions{display:flex;flex-wrap:wrap;gap:14px;margin-top:28px}
    .hero-note{display:flex;gap:12px;align-items:flex-start;margin-top:20px;padding:14px 16px;border-radius:18px;background:rgba(251,191,36,.075);border:1px solid rgba(251,191,36,.22);color:#ffe9a8;font-size:14px}
    .lead-form{
      border-radius:var(--radius-lg);
      padding:24px;
      position:relative;
      overflow:hidden;
    }
    .wavebar{height:54px;display:flex;align-items:end;gap:7px;margin-bottom:22px;padding:0 4px}
    .wavebar i{display:block;flex:1;min-width:4px;border-radius:999px;background:linear-gradient(180deg,var(--cyan),rgba(99,102,241,.35));box-shadow:0 0 15px rgba(34,211,238,.22);opacity:.85}
    .wavebar i:nth-child(1){height:30%}.wavebar i:nth-child(2){height:70%}.wavebar i:nth-child(3){height:42%}.wavebar i:nth-child(4){height:92%}.wavebar i:nth-child(5){height:58%}.wavebar i:nth-child(6){height:80%}.wavebar i:nth-child(7){height:35%}.wavebar i:nth-child(8){height:66%}.wavebar i:nth-child(9){height:48%}.wavebar i:nth-child(10){height:88%}.wavebar i:nth-child(11){height:54%}.wavebar i:nth-child(12){height:72%}
    .form-card-title{display:flex;align-items:center;justify-content:space-between;gap:16px;margin-bottom:18px}
    .query-box{display:grid;gap:12px}
    .field{
      width:100%;
      border:1px solid rgba(148,163,184,.22);
      border-radius:18px;
      color:#eaf8ff;
      background:rgba(255,255,255,.055);
      outline:none;
      padding:14px 16px;
      transition:.2s ease;
    }
    .field:focus{border-color:var(--cyan);box-shadow:0 0 0 4px rgba(34,211,238,.10)}
    .checkline{display:flex;gap:10px;align-items:flex-start;color:var(--muted);font-size:13px}
    .checkline input{accent-color:var(--cyan);margin-top:7px}
    .mini-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:12px;margin-top:18px}
    .mini-entry{
      border-radius:18px;
      padding:15px;
      background:rgba(255,255,255,.052);
      border:1px solid rgba(148,163,184,.16);
      transition:.22s ease;
    }
    .mini-entry:hover{border-color:rgba(34,211,238,.4);transform:translateY(-2px);background:rgba(34,211,238,.07)}
    .mini-entry strong{display:block;color:#fff;font-size:15px;margin-bottom:4px}
    .mini-entry span{color:var(--muted);font-size:13px}
    .pain-wrap{
      display:grid;
      grid-template-columns:.85fr 1.15fr;
      gap:24px;
      align-items:stretch;
    }
    .pain-card{border-radius:var(--radius-md);padding:28px;position:relative;overflow:hidden}
    .pain-list{display:grid;gap:14px;margin-top:22px}
    .pain-item{
      display:flex;gap:14px;align-items:flex-start;
      padding:15px;border-radius:18px;
      background:rgba(255,255,255,.045);
      border:1px solid rgba(148,163,184,.14);
    }
    .pain-item .num{
      width:28px;height:28px;border-radius:50%;
      display:grid;place-items:center;
      background:rgba(248,113,113,.12);
      color:#fecaca;font-weight:800;font-size:13px;
      flex:0 0 auto;
    }
    .compare{
      display:grid;
      grid-template-columns:1fr 1fr;
      gap:16px;
    }
    .compare-box{
      border-radius:24px;
      padding:22px;
      background:rgba(255,255,255,.05);
      border:1px solid rgba(148,163,184,.14);
    }
    .compare-box.good{border-color:rgba(45,212,191,.28);box-shadow:0 0 34px rgba(45,212,191,.08)}
    .compare-row{display:flex;gap:10px;padding:11px 0;border-bottom:1px solid rgba(148,163,184,.10);color:var(--muted);font-size:14px}
    .compare-row:last-child{border-bottom:0}
    .steps-console{
      display:grid;
      grid-template-columns:repeat(3,1fr);
      gap:18px;
    }
    .step-card{
      position:relative;
      overflow:hidden;
      border-radius:var(--radius-md);
      padding:26px;
      min-height:230px;
      transition:.24s ease;
    }
    .step-card:hover{transform:translateY(-3px);border-color:rgba(34,211,238,.38);box-shadow:var(--shadow),var(--glow)}
    .step-number{
      width:44px;height:44px;border-radius:16px;
      display:grid;place-items:center;
      color:#fff;font-weight:850;
      background:linear-gradient(135deg,rgba(56,189,248,.95),rgba(99,102,241,.78));
      box-shadow:0 0 24px rgba(56,189,248,.22);
      margin-bottom:18px;
    }
    .spectrum-line{
      position:absolute;left:22px;right:22px;bottom:20px;
      height:28px;display:flex;align-items:end;gap:5px;opacity:.55;
    }
    .spectrum-line i{flex:1;border-radius:999px;background:rgba(34,211,238,.5)}
    .spectrum-line i:nth-child(odd){height:35%}.spectrum-line i:nth-child(even){height:80%}.spectrum-line i:nth-child(3n){height:55%}
    .demo-grid{
      display:grid;
      grid-template-columns:.42fr .58fr;
      gap:24px;
      align-items:stretch;
    }
    .demo-tabs{padding:20px;border-radius:var(--radius-md)}
    .demo-tab{
      width:100%;
      text-align:left;
      display:flex;align-items:center;justify-content:space-between;gap:12px;
      color:var(--muted);
      padding:15px 16px;
      border-radius:16px;
      background:transparent;
      transition:.2s ease;
      margin-bottom:8px;
    }
    .demo-tab:hover,.demo-tab.active{color:#fff;background:rgba(34,211,238,.08)}
    .demo-tab.active{box-shadow:inset 3px 0 0 var(--cyan)}
    .demo-panel{padding:28px;border-radius:var(--radius-md);min-height:420px}
    .filter-row{display:flex;flex-wrap:wrap;gap:10px;margin:18px 0}
    .status-list{display:grid;gap:12px;margin-top:20px}
    .status-item{
      display:flex;align-items:flex-start;gap:12px;
      padding:14px;border-radius:16px;
      background:rgba(255,255,255,.045);
      border:1px solid rgba(148,163,184,.13);
      color:var(--muted);
    }
    .status-dot{width:9px;height:9px;border-radius:50%;background:var(--green);box-shadow:0 0 12px rgba(45,212,191,.75);margin-top:10px;flex:0 0 auto}
    .news-layout{
      display:grid;
      grid-template-columns:1.2fr .8fr;
      gap:24px;
    }
    .news-list{border-radius:var(--radius-md);padding:12px}
    .news-item{
      display:grid;
      grid-template-columns:1fr auto;
      gap:16px;
      padding:18px;
      border-radius:18px;
      border:1px solid transparent;
      transition:.2s ease;
    }
    .news-item:hover{background:rgba(255,255,255,.052);border-color:rgba(34,211,238,.25)}
    .news-item a{font-weight:720;color:#f4fbff}
    .news-item a:hover{color:var(--cyan)}
    .news-item p{font-size:14px;margin-top:5px}
    .news-date{color:var(--soft);font-size:13px;white-space:nowrap}
    .recommend{border-radius:var(--radius-md);padding:24px;position:relative;overflow:hidden}
    .recommend::after{
      content:"";
      position:absolute;inset:auto -30px -55px auto;
      width:180px;height:180px;border-radius:50%;
      background:rgba(34,211,238,.12);
      filter:blur(16px);
    }
    .metrics{display:grid;grid-template-columns:repeat(3,1fr);gap:14px;margin-top:20px}
    .metric{padding:18px;border-radius:18px;background:rgba(255,255,255,.05);border:1px solid rgba(148,163,184,.14)}
    .metric strong{display:block;color:#fff;font-size:26px;line-height:1}
    .metric span{color:var(--muted);font-size:13px}
    .feedback-wall{
      display:grid;
      grid-template-columns:1fr 1.2fr 1fr;
      gap:18px;
      align-items:start;
    }
    .feedback-card{
      border-radius:24px;
      padding:22px;
      background:rgba(255,255,255,.055);
      border:1px solid rgba(148,163,184,.16);
      transition:.22s ease;
    }
    .feedback-card:hover{transform:translateY(-3px);border-color:rgba(34,211,238,.34)}
    .avatar{
      width:38px;height:38px;border-radius:50%;
      background:linear-gradient(135deg,var(--cyan),var(--indigo));
      box-shadow:0 0 22px rgba(34,211,238,.18);
      margin-bottom:14px;
    }
    .signal{display:flex;gap:5px;margin-top:14px}
    .signal i{width:8px;height:8px;border-radius:50%;background:rgba(34,211,238,.72);box-shadow:0 0 10px rgba(34,211,238,.35)}
    .faq-wrap{display:grid;grid-template-columns:.42fr .58fr;gap:24px;align-items:start}
    .faq-list{display:grid;gap:12px}
    .faq-item{border-radius:20px;overflow:hidden;border:1px solid rgba(148,163,184,.16);background:rgba(255,255,255,.045)}
    .faq-q{
      width:100%;
      min-height:60px;
      display:flex;justify-content:space-between;align-items:center;gap:18px;
      text-align:left;
      padding:18px 20px;
      color:#fff;
      background:transparent;
      transition:.2s ease;
      font-weight:720;
    }
    .faq-q:hover{background:rgba(34,211,238,.06)}
    .faq-icon{color:var(--cyan);font-size:20px;transition:.2s ease}
    .faq-a{
      max-height:0;
      overflow:hidden;
      transition:max-height .22s ease;
    }
    .faq-a p{
      margin:0 20px 20px;
      padding:14px 16px;
      border-left:2px solid var(--cyan);
      border-radius:0 14px 14px 0;
      background:rgba(34,211,238,.055);
      font-size:15px;
    }
    .faq-item.open .faq-a{max-height:220px}
    .faq-item.open .faq-icon{transform:rotate(45deg)}
    .cta-section{padding:76px 0 104px}
    .cta-card{
      border-radius:var(--radius-lg);
      padding:38px;
      display:grid;
      grid-template-columns:1fr auto;
      gap:24px;
      align-items:center;
      position:relative;
      overflow:hidden;
    }
    .cta-card::before{
      content:"";
      position:absolute;inset:0;
      background:linear-gradient(120deg,rgba(34,211,238,.14),transparent 36%,rgba(99,102,241,.13));
      pointer-events:none;
    }
    .cta-card>*{position:relative}
    .site-footer{
      position:relative;
      border-top:1px solid rgba(148,163,184,.14);
      background:rgba(4,12,23,.76);
      padding:54px 0 34px;
      overflow:hidden;
    }
    .site-footer::before{
      content:"";
      position:absolute;left:0;right:0;top:26px;height:80px;opacity:.10;
      background:repeating-linear-gradient(90deg,transparent 0 20px,rgba(34,211,238,.55) 20px 22px,transparent 22px 44px);
    }
    .footer-grid{
      position:relative;
      display:grid;
      grid-template-columns:1.2fr .8fr .8fr;
      gap:28px;
    }
    .footer-title{font-weight:800;color:#fff;margin-bottom:12px}
    .footer-links{display:grid;gap:9px}
    .footer-links a{color:var(--muted);font-size:14px;transition:.2s ease}
    .footer-links a:hover{color:var(--cyan);transform:translateX(2px)}
    .footer-note{color:var(--muted);font-size:14px;margin-top:14px;max-width:520px}
    .copyright{
      position:relative;
      margin-top:34px;
      padding-top:22px;
      border-top:1px solid rgba(148,163,184,.12);
      color:var(--soft);
      font-size:13px;
      display:flex;
      justify-content:space-between;
      gap:16px;
      flex-wrap:wrap;
    }
    .fixed-cta{
      position:fixed;
      left:50%;
      bottom:18px;
      transform:translateX(-50%);
      width:min(980px,calc(100% - 32px));
      z-index:80;
      border-radius:999px;
      padding:12px 14px 12px 22px;
      display:flex;
      align-items:center;
      justify-content:space-between;
      gap:18px;
      background:rgba(7,17,31,.82);
      border:1px solid rgba(56,189,248,.22);
      box-shadow:0 16px 50px rgba(0,0,0,.42),0 0 36px rgba(34,211,238,.12);
      backdrop-filter:blur(22px);
    }
    .fixed-copy{display:flex;align-items:center;gap:12px;min-width:0}
    .fixed-copy strong{color:#fff;white-space:nowrap}
    .fixed-copy span{color:var(--muted);font-size:14px;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
    .fixed-actions{display:flex;align-items:center;gap:10px}
    .close-fixed{
      width:34px;height:34px;border-radius:50%;
      background:rgba(255,255,255,.06);
      color:var(--muted);
      border:1px solid rgba(148,163,184,.16);
      transition:.2s ease;
    }
    .close-fixed:hover{color:#fff;border-color:rgba(34,211,238,.35)}
    .float-pill{
      display:none;
      position:fixed;
      right:18px;
      bottom:18px;
      z-index:82;
      border-radius:999px;
      padding:12px 16px;
      color:#fff;
      background:linear-gradient(135deg,var(--blue),var(--cyan));
      box-shadow:0 14px 34px rgba(34,211,238,.28);
    }
    .float-pill.show{display:inline-flex}
    .sr-msg{font-size:13px;margin-top:10px;color:var(--green);display:none}
    .sr-msg.error{color:var(--danger)}
    @media (max-width:1024px){
      .hero-grid,.pain-wrap,.demo-grid,.news-layout,.faq-wrap{grid-template-columns:1fr}
      .feedback-wall{grid-template-columns:1fr 1fr}
      .section{padding:76px 0}
      .hero{min-height:auto;padding:46px 0 54px}
      .desktop-nav,.nav-actions .desktop-only{display:none}
      .menu-btn{display:block}
      .steps-console{grid-template-columns:1fr}
      .cta-card{grid-template-columns:1fr}
    }
    @media (max-width:768px){
      :root{--nav-h:70px}
      body{padding-bottom:116px}
      .container{width:min(100% - 28px,1220px)}
      .site-header{height:var(--nav-h)}
      .brand-text{font-size:14px}
      .hero-copy,.lead-form,.cta-card{padding:24px;border-radius:26px}
      .hero-actions{display:grid;grid-template-columns:1fr;gap:10px}
      .btn{width:100%;min-height:50px}
      .mini-grid,.compare,.metrics,.feedback-wall,.footer-grid{grid-template-columns:1fr}
      .section-head{display:block}
      .section-head .btn{margin-top:18px}
      .news-item{grid-template-columns:1fr}
      .news-date{white-space:normal}
      .fixed-cta{
        width:calc(100% - 20px);
        bottom:10px;
        border-radius:24px;
        align-items:stretch;
        flex-direction:column;
        padding:12px;
      }
      .fixed-copy{align-items:flex-start}
      .fixed-copy span{white-space:normal}
      .fixed-actions{display:grid;grid-template-columns:1fr 1fr 34px;width:100%}
      .fixed-actions .btn{min-height:44px;padding:10px 12px}
    }
    @media (max-width:520px){
      h1{font-size:36px}
      .lead{font-size:15px}
      .hero-badges{gap:8px}
      .badge,.tag{font-size:12px}
      .demo-panel,.demo-tabs,.pain-card{padding:20px}
      .footer-grid{gap:22px}
      .fixed-actions{grid-template-columns:1fr}
      .close-fixed{width:100%}
    }

/* roulang page: category2 */
:root {
      --bg: #07111f;
      --bg-2: #0a1628;
      --bg-3: #0d1b2f;
      --panel: rgba(15, 30, 52, 0.62);
      --panel-strong: rgba(18, 38, 68, 0.78);
      --panel-soft: rgba(255, 255, 255, 0.06);
      --text: #eef7ff;
      --muted: #9fb2c8;
      --muted-2: #6f849e;
      --line: rgba(148, 163, 184, 0.18);
      --line-bright: rgba(56, 189, 248, 0.46);
      --cyan: #22d3ee;
      --blue: #38bdf8;
      --indigo: #6366f1;
      --violet: #8b5cf6;
      --teal: #2dd4bf;
      --amber: #fbbf24;
      --danger: #fb7185;
      --radius-lg: 32px;
      --radius-md: 24px;
      --radius-sm: 16px;
      --shadow: 0 24px 70px rgba(0, 0, 0, 0.36);
      --glow: 0 0 40px rgba(56, 189, 248, 0.16);
      --font: system-ui, -apple-system, BlinkMacSystemFont, "PingFang SC", "Microsoft YaHei", "Noto Sans SC", sans-serif;
    }

    * {
      box-sizing: border-box;
    }

    html {
      scroll-behavior: smooth;
    }

    body {
      margin: 0;
      min-height: 100vh;
      font-family: var(--font);
      color: var(--text);
      background:
        radial-gradient(circle at 10% 0%, rgba(56, 189, 248, 0.18), transparent 34rem),
        radial-gradient(circle at 88% 18%, rgba(139, 92, 246, 0.16), transparent 32rem),
        linear-gradient(180deg, var(--bg), var(--bg-2) 48%, #06101d);
      line-height: 1.75;
      overflow-x: hidden;
      padding-bottom: 96px;
    }

    body::before {
      content: "";
      position: fixed;
      inset: 0;
      pointer-events: none;
      opacity: 0.33;
      background-image:
        linear-gradient(rgba(255,255,255,0.035) 1px, transparent 1px),
        linear-gradient(90deg, rgba(255,255,255,0.025) 1px, transparent 1px);
      background-size: 54px 54px;
      mask-image: radial-gradient(circle at center, black 20%, transparent 78%);
      z-index: -2;
    }

    body::after {
      content: "";
      position: fixed;
      left: -10vw;
      right: -10vw;
      top: 18vh;
      height: 220px;
      pointer-events: none;
      opacity: 0.16;
      background:
        repeating-linear-gradient(90deg,
          transparent 0 18px,
          rgba(34, 211, 238, 0.3) 18px 20px,
          transparent 20px 46px
        );
      transform: skewY(-7deg);
      filter: blur(0.3px);
      z-index: -1;
    }

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

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

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

    button {
      border: 0;
      cursor: pointer;
    }

    .container {
      width: min(100% - 40px, 1200px);
      margin-inline: auto;
      padding-inline: 0;
    }

    .site-header {
      position: sticky;
      top: 0;
      z-index: 50;
      backdrop-filter: blur(22px);
      background: rgba(7, 17, 31, 0.72);
      border-bottom: 1px solid rgba(148, 163, 184, 0.12);
    }

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

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

    .brand:hover .brand-mark {
      box-shadow: 0 0 34px rgba(34, 211, 238, 0.46);
      transform: scale(1.04);
    }

    .brand-mark {
      width: 34px;
      height: 34px;
      flex: 0 0 auto;
      border-radius: 50%;
      position: relative;
      background:
        radial-gradient(circle at 38% 36%, #ffffff 0 2px, transparent 3px),
        radial-gradient(circle at 60% 58%, rgba(45, 212, 191, .95) 0 4px, transparent 5px),
        linear-gradient(135deg, rgba(56, 189, 248, .95), rgba(99, 102, 241, .85));
      box-shadow: 0 0 24px rgba(56, 189, 248, 0.28);
      transition: transform .22s ease, box-shadow .22s ease;
    }

    .brand-mark::after {
      content: "";
      position: absolute;
      inset: 8px 7px;
      background:
        linear-gradient(90deg, transparent 0 10%, rgba(255,255,255,.86) 10% 16%, transparent 16% 30%, rgba(255,255,255,.7) 30% 37%, transparent 37% 50%, rgba(255,255,255,.85) 50% 56%, transparent 56% 72%, rgba(255,255,255,.6) 72% 79%, transparent 79%);
      border-radius: 999px;
      opacity: .72;
    }

    .brand-text {
      font-size: 17px;
      font-weight: 700;
      letter-spacing: .01em;
      color: #f8fbff;
      white-space: nowrap;
      overflow: hidden;
      text-overflow: ellipsis;
    }

    .desktop-nav {
      display: flex;
      align-items: center;
      justify-content: center;
      gap: 30px;
      flex: 1;
    }

    .nav-link {
      position: relative;
      font-size: 14px;
      color: var(--muted);
      padding: 26px 0 23px;
    }

    .nav-link::after {
      content: "";
      position: absolute;
      left: 0;
      right: 0;
      bottom: 18px;
      height: 2px;
      border-radius: 999px;
      background: linear-gradient(90deg, var(--cyan), var(--blue));
      transform: scaleX(0);
      transform-origin: center;
      transition: transform .22s ease;
    }

    .nav-link:hover,
    .nav-link.active {
      color: var(--text);
    }

    .nav-link:hover::after,
    .nav-link.active::after {
      transform: scaleX(1);
    }

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

    .btn {
      display: inline-flex;
      align-items: center;
      justify-content: center;
      gap: 8px;
      min-height: 50px;
      padding: 0 22px;
      border-radius: 999px;
      font-weight: 700;
      font-size: 15px;
      letter-spacing: .01em;
      border: 1px solid transparent;
      transition: transform .22s ease, box-shadow .22s ease, background .22s ease, border-color .22s ease, color .22s ease;
      white-space: nowrap;
    }

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

    .btn:focus-visible,
    .nav-link:focus-visible,
    .mobile-panel a:focus-visible,
    input:focus-visible,
    textarea:focus-visible,
    select:focus-visible,
    .faq-toggle:focus-visible,
    .menu-btn:focus-visible {
      outline: 3px solid rgba(34, 211, 238, 0.36);
      outline-offset: 3px;
    }

    .btn-primary {
      color: #ffffff;
      background: linear-gradient(135deg, var(--blue), var(--cyan) 48%, var(--teal));
      box-shadow: 0 0 26px rgba(34, 211, 238, 0.28), inset 0 1px 0 rgba(255,255,255,0.22);
    }

    .btn-primary:hover {
      color: #ffffff;
      box-shadow: 0 0 38px rgba(34, 211, 238, 0.42), 0 16px 36px rgba(0,0,0,0.24);
    }

    .btn-secondary {
      color: var(--text);
      background: rgba(255,255,255,0.06);
      border-color: rgba(148, 163, 184, 0.2);
      backdrop-filter: blur(16px);
    }

    .btn-secondary:hover {
      color: #ffffff;
      border-color: rgba(34, 211, 238, 0.56);
      background: rgba(34, 211, 238, 0.09);
    }

    .btn-small {
      min-height: 40px;
      padding: 0 16px;
      font-size: 13px;
    }

    .menu-btn {
      display: none;
      width: 44px;
      height: 44px;
      border-radius: 14px;
      background: rgba(255,255,255,0.06);
      border: 1px solid var(--line);
      align-items: center;
      justify-content: center;
      flex-direction: column;
      gap: 5px;
    }

    .menu-btn span {
      width: 18px;
      height: 2px;
      border-radius: 999px;
      background: var(--text);
      transition: transform .22s ease, opacity .22s ease;
    }

    .menu-btn.is-open span:nth-child(1) {
      transform: translateY(7px) rotate(45deg);
    }

    .menu-btn.is-open span:nth-child(2) {
      opacity: 0;
    }

    .menu-btn.is-open span:nth-child(3) {
      transform: translateY(-7px) rotate(-45deg);
    }

    .mobile-panel {
      display: none;
      width: min(100% - 32px, 480px);
      margin: 0 auto 16px;
      padding: 16px;
      border: 1px solid var(--line);
      border-radius: 22px;
      background: rgba(10, 22, 40, 0.92);
      backdrop-filter: blur(22px);
      box-shadow: var(--shadow);
    }

    .mobile-panel a {
      display: flex;
      align-items: center;
      justify-content: space-between;
      min-height: 48px;
      padding: 0 14px;
      border-radius: 14px;
      color: var(--muted);
      border: 1px solid transparent;
    }

    .mobile-panel a:hover,
    .mobile-panel a.active {
      color: var(--text);
      background: rgba(34, 211, 238, 0.08);
      border-color: rgba(34, 211, 238, 0.26);
    }

    .mobile-panel.show {
      display: grid;
      gap: 8px;
    }

    main {
      position: relative;
    }

    .section {
      padding: 92px 0;
      position: relative;
    }

    .section-tight {
      padding: 68px 0;
    }

    .hero {
      padding: 72px 0 86px;
    }

    .hero-grid {
      display: grid;
      grid-template-columns: minmax(0, 1.08fr) minmax(360px, .92fr);
      gap: 28px;
      align-items: stretch;
    }

    .glass {
      border: 1px solid var(--line);
      background: var(--panel);
      backdrop-filter: blur(18px);
      box-shadow: var(--shadow);
    }

    .hero-card {
      border-radius: var(--radius-lg);
      padding: clamp(28px, 4vw, 54px);
      position: relative;
      overflow: hidden;
      min-height: 580px;
      display: flex;
      flex-direction: column;
      justify-content: center;
    }

    .hero-card::before {
      content: "";
      position: absolute;
      inset: -1px;
      background:
        radial-gradient(circle at 12% 18%, rgba(34, 211, 238, .18), transparent 28%),
        radial-gradient(circle at 82% 72%, rgba(99, 102, 241, .18), transparent 30%);
      pointer-events: none;
    }

    .hero-content {
      position: relative;
      z-index: 1;
    }

    .eyebrow-row {
      display: flex;
      flex-wrap: wrap;
      gap: 10px;
      margin-bottom: 24px;
    }

    .badge-pill {
      display: inline-flex;
      align-items: center;
      gap: 8px;
      min-height: 32px;
      padding: 0 12px;
      border-radius: 999px;
      color: #dffaff;
      font-size: 13px;
      border: 1px solid rgba(34, 211, 238, 0.25);
      background: rgba(34, 211, 238, 0.08);
    }

    .badge-pill.warn {
      color: #ffe7ad;
      border-color: rgba(251, 191, 36, 0.32);
      background: rgba(251, 191, 36, 0.08);
    }

    .dot {
      width: 8px;
      height: 8px;
      flex: 0 0 auto;
      border-radius: 50%;
      background: var(--teal);
      box-shadow: 0 0 18px rgba(45, 212, 191, .62);
    }

    .dot.amber {
      background: var(--amber);
      box-shadow: 0 0 18px rgba(251, 191, 36, .42);
    }

    h1 {
      margin: 0;
      font-size: clamp(38px, 6vw, 70px);
      line-height: 1.08;
      font-weight: 800;
      letter-spacing: -0.03em;
    }

    .gradient-text {
      background: linear-gradient(120deg, #ffffff, #b9f3ff 42%, #8df4e8);
      -webkit-background-clip: text;
      background-clip: text;
      color: transparent;
    }

    .hero-lead {
      margin: 24px 0 0;
      max-width: 690px;
      color: #c4d5e8;
      font-size: 17px;
      line-height: 1.9;
    }

    .hero-actions {
      display: flex;
      flex-wrap: wrap;
      gap: 14px;
      margin-top: 34px;
    }

    .qualification {
      margin-top: 28px;
      display: grid;
      grid-template-columns: repeat(3, minmax(0, 1fr));
      gap: 12px;
    }

    .qual-item {
      border-radius: 18px;
      padding: 14px;
      background: rgba(255,255,255,0.055);
      border: 1px solid rgba(148, 163, 184, 0.14);
    }

    .qual-item strong {
      display: block;
      font-size: 16px;
      color: #ffffff;
    }

    .qual-item span {
      display: block;
      margin-top: 4px;
      color: var(--muted);
      font-size: 13px;
      line-height: 1.55;
    }

    .console-card {
      border-radius: var(--radius-lg);
      padding: 26px;
      position: relative;
      overflow: hidden;
    }

    .console-head {
      display: flex;
      align-items: center;
      justify-content: space-between;
      gap: 16px;
      margin-bottom: 18px;
    }

    .console-title {
      font-size: 18px;
      font-weight: 750;
    }

    .signal {
      display: inline-flex;
      gap: 4px;
      align-items: end;
      height: 22px;
    }

    .signal span {
      width: 4px;
      border-radius: 999px;
      background: linear-gradient(180deg, var(--cyan), var(--indigo));
      opacity: .9;
      animation: wave 1.7s ease-in-out infinite;
    }

    .signal span:nth-child(1) { height: 9px; animation-delay: .05s; }
    .signal span:nth-child(2) { height: 17px; animation-delay: .18s; }
    .signal span:nth-child(3) { height: 12px; animation-delay: .31s; }
    .signal span:nth-child(4) { height: 21px; animation-delay: .44s; }
    .signal span:nth-child(5) { height: 14px; animation-delay: .57s; }

    @keyframes wave {
      0%, 100% { transform: scaleY(.72); opacity: .55; }
      50% { transform: scaleY(1); opacity: 1; }
    }

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

    .index-card {
      display: grid;
      grid-template-columns: 52px 1fr auto;
      gap: 14px;
      align-items: center;
      padding: 16px;
      border-radius: 20px;
      background: rgba(255,255,255,0.055);
      border: 1px solid rgba(148, 163, 184, 0.14);
      transition: transform .22s ease, border-color .22s ease, background .22s ease, box-shadow .22s ease;
    }

    .index-card:hover {
      transform: translateY(-3px);
      border-color: rgba(34, 211, 238, .42);
      background: rgba(34, 211, 238, 0.08);
      box-shadow: var(--glow);
    }

    .abstract-thumb {
      width: 52px;
      height: 52px;
      border-radius: 17px;
      background:
        linear-gradient(0deg, transparent 18%, rgba(255,255,255,.62) 19% 22%, transparent 23% 38%, rgba(255,255,255,.42) 39% 42%, transparent 43% 64%, rgba(255,255,255,.72) 65% 68%, transparent 69%),
        linear-gradient(135deg, rgba(56,189,248,.92), rgba(99,102,241,.82));
      box-shadow: inset 0 1px 0 rgba(255,255,255,.22);
    }

    .index-card h2,
    .index-card h3 {
      margin: 0;
      font-size: 17px;
      line-height: 1.35;
    }

    .index-card p {
      margin: 4px 0 0;
      color: var(--muted);
      font-size: 13px;
      line-height: 1.55;
    }

    .arrow {
      width: 34px;
      height: 34px;
      border-radius: 50%;
      display: inline-grid;
      place-items: center;
      color: #cff9ff;
      background: rgba(34, 211, 238, .1);
      border: 1px solid rgba(34, 211, 238, .22);
      transition: transform .22s ease, background .22s ease;
    }

    .index-card:hover .arrow {
      transform: translateX(3px);
      background: rgba(34, 211, 238, .18);
    }

    .summary-strip {
      margin-top: 18px;
      padding: 16px;
      border-radius: 22px;
      border: 1px solid rgba(251, 191, 36, 0.24);
      background: rgba(251, 191, 36, 0.07);
      color: #fbe6b7;
      font-size: 14px;
    }

    .section-kicker {
      display: inline-flex;
      align-items: center;
      gap: 8px;
      min-height: 34px;
      padding: 0 13px;
      border-radius: 999px;
      color: #d9faff;
      border: 1px solid rgba(34, 211, 238, 0.22);
      background: rgba(34, 211, 238, 0.07);
      font-size: 13px;
      margin-bottom: 18px;
    }

    .section-title {
      margin: 0;
      font-size: clamp(28px, 4vw, 46px);
      line-height: 1.18;
      font-weight: 780;
      letter-spacing: -0.02em;
    }

    .section-desc {
      margin: 16px 0 0;
      max-width: 760px;
      color: var(--muted);
      font-size: 16px;
      line-height: 1.85;
    }

    .split-head {
      display: grid;
      grid-template-columns: minmax(0, .8fr) minmax(320px, .42fr);
      gap: 28px;
      align-items: end;
      margin-bottom: 30px;
    }

    .side-note {
      border-radius: 24px;
      padding: 20px;
      background: rgba(255,255,255,0.055);
      border: 1px solid var(--line);
      color: var(--muted);
      font-size: 14px;
    }

    .side-note strong {
      color: #ffffff;
      display: block;
      margin-bottom: 6px;
      font-size: 16px;
    }

    .category-grid {
      display: grid;
      grid-template-columns: repeat(6, 1fr);
      gap: 16px;
    }

    .category-tile {
      min-height: 210px;
      grid-column: span 2;
      border-radius: 26px;
      padding: 22px;
      background: rgba(255,255,255,0.055);
      border: 1px solid var(--line);
      backdrop-filter: blur(18px);
      position: relative;
      overflow: hidden;
      transition: transform .22s ease, border-color .22s ease, background .22s ease, box-shadow .22s ease;
    }

    .category-tile:nth-child(1),
    .category-tile:nth-child(4) {
      grid-column: span 3;
    }

    .category-tile:hover {
      transform: translateY(-3px);
      border-color: rgba(34, 211, 238, .42);
      background: rgba(34, 211, 238, .075);
      box-shadow: var(--glow);
    }

    .category-tile::after {
      content: "";
      position: absolute;
      left: 22px;
      right: 22px;
      bottom: 18px;
      height: 34px;
      opacity: .26;
      background:
        linear-gradient(90deg,
          rgba(34,211,238,.2) 0 8%,
          transparent 8% 12%,
          rgba(34,211,238,.58) 12% 18%,
          transparent 18% 22%,
          rgba(99,102,241,.5) 22% 34%,
          transparent 34% 38%,
          rgba(45,212,191,.58) 38% 46%,
          transparent 46% 52%,
          rgba(34,211,238,.32) 52% 72%,
          transparent 72%
        );
      border-radius: 999px;
    }

    .tile-top {
      display: flex;
      align-items: center;
      justify-content: space-between;
      gap: 14px;
      margin-bottom: 18px;
    }

    .tile-no {
      width: 42px;
      height: 42px;
      display: inline-grid;
      place-items: center;
      border-radius: 50%;
      color: #fff;
      font-weight: 800;
      background: linear-gradient(135deg, rgba(56,189,248,.9), rgba(99,102,241,.9));
      box-shadow: 0 0 22px rgba(56,189,248,.22);
    }

    .tag-row {
      display: flex;
      flex-wrap: wrap;
      gap: 8px;
    }

    .tag {
      display: inline-flex;
      align-items: center;
      min-height: 28px;
      padding: 0 10px;
      border-radius: 999px;
      background: rgba(255,255,255,0.06);
      border: 1px solid rgba(148, 163, 184, 0.16);
      color: #c8d8e8;
      font-size: 12px;
    }

    .category-tile h3 {
      margin: 0 0 10px;
      font-size: 21px;
      line-height: 1.3;
    }

    .category-tile p {
      margin: 0;
      color: var(--muted);
      font-size: 14px;
      line-height: 1.75;
      padding-bottom: 48px;
    }

    .timeline-wrap {
      display: grid;
      grid-template-columns: minmax(280px, .42fr) minmax(0, .58fr);
      gap: 24px;
      align-items: start;
    }

    .timeline {
      border-radius: var(--radius-lg);
      padding: 26px;
      background: var(--panel-strong);
      border: 1px solid var(--line);
      backdrop-filter: blur(18px);
      box-shadow: var(--shadow);
    }

    .step {
      position: relative;
      display: grid;
      grid-template-columns: 38px 1fr;
      gap: 14px;
      padding-bottom: 24px;
    }

    .step:not(:last-child)::after {
      content: "";
      position: absolute;
      left: 18px;
      top: 42px;
      bottom: 8px;
      width: 1px;
      background: linear-gradient(180deg, rgba(34,211,238,.55), rgba(148,163,184,.08));
    }

    .step-dot {
      width: 38px;
      height: 38px;
      border-radius: 50%;
      display: grid;
      place-items: center;
      color: #ffffff;
      font-weight: 800;
      background: rgba(34,211,238,.12);
      border: 1px solid rgba(34,211,238,.35);
      box-shadow: 0 0 20px rgba(34,211,238,.12);
    }

    .step h3 {
      margin: 2px 0 5px;
      font-size: 18px;
    }

    .step p {
      margin: 0;
      color: var(--muted);
      font-size: 14px;
      line-height: 1.7;
    }

    .detail-panel {
      border-radius: var(--radius-lg);
      padding: 28px;
      background: rgba(255,255,255,0.055);
      border: 1px solid var(--line);
      backdrop-filter: blur(18px);
      box-shadow: var(--shadow);
    }

    .detail-panel h3 {
      margin: 0 0 18px;
      font-size: 24px;
    }

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

    .check-list li {
      display: grid;
      grid-template-columns: 28px 1fr;
      gap: 12px;
      align-items: start;
      padding: 14px;
      border-radius: 18px;
      background: rgba(255,255,255,0.045);
      border: 1px solid rgba(148, 163, 184, 0.12);
      color: #c7d8ea;
      font-size: 14px;
    }

    .check-icon {
      width: 28px;
      height: 28px;
      border-radius: 50%;
      display: grid;
      place-items: center;
      color: #06201d;
      background: var(--teal);
      font-weight: 900;
      line-height: 1;
    }

    .device-layout {
      display: grid;
      grid-template-columns: minmax(0, .9fr) minmax(320px, .5fr);
      gap: 24px;
      align-items: stretch;
    }

    .device-stack {
      display: grid;
      gap: 16px;
    }

    .device-card {
      display: grid;
      grid-template-columns: 84px 1fr;
      gap: 18px;
      align-items: center;
      padding: 20px;
      border-radius: 26px;
      background: rgba(255,255,255,0.055);
      border: 1px solid var(--line);
      backdrop-filter: blur(18px);
      transition: transform .22s ease, border-color .22s ease, background .22s ease;
    }

    .device-card:hover {
      transform: translateX(3px);
      border-color: rgba(34,211,238,.42);
      background: rgba(34,211,238,.075);
    }

    .device-icon {
      height: 70px;
      border-radius: 20px;
      border: 1px solid rgba(34, 211, 238, .24);
      background:
        linear-gradient(90deg, transparent 0 16%, rgba(255,255,255,.55) 16% 19%, transparent 19% 30%, rgba(255,255,255,.36) 30% 34%, transparent 34%),
        linear-gradient(135deg, rgba(15, 30, 52, .9), rgba(56, 189, 248, .18));
      box-shadow: inset 0 1px 0 rgba(255,255,255,.12);
    }

    .device-card h3 {
      margin: 0 0 5px;
      font-size: 20px;
    }

    .device-card p {
      margin: 0;
      color: var(--muted);
      font-size: 14px;
      line-height: 1.7;
    }

    .request-card {
      border-radius: var(--radius-lg);
      padding: 26px;
      background: var(--panel-strong);
      border: 1px solid var(--line);
      backdrop-filter: blur(18px);
      box-shadow: var(--shadow);
    }

    .request-card h3 {
      margin: 0 0 8px;
      font-size: 24px;
    }

    .request-card p {
      margin: 0 0 18px;
      color: var(--muted);
      font-size: 14px;
    }

    .form-grid {
      display: grid;
      gap: 12px;
    }

    .field {
      display: grid;
      gap: 8px;
    }

    .field label {
      color: #dbeafe;
      font-size: 13px;
      font-weight: 650;
    }

    .field input,
    .field textarea,
    .field select {
      width: 100%;
      color: var(--text);
      background: rgba(7, 17, 31, .62);
      border: 1px solid rgba(148, 163, 184, .2);
      border-radius: 16px;
      padding: 13px 14px;
      transition: border-color .22s ease, box-shadow .22s ease, background .22s ease;
    }

    .field textarea {
      min-height: 94px;
      resize: vertical;
    }

    .field input::placeholder,
    .field textarea::placeholder {
      color: rgba(159, 178, 200, .62);
    }

    .field input:focus,
    .field textarea:focus,
    .field select:focus {
      border-color: rgba(34, 211, 238, .58);
      box-shadow: 0 0 0 4px rgba(34, 211, 238, .1);
      background: rgba(7, 17, 31, .78);
    }

    .form-hint {
      min-height: 24px;
      color: var(--teal);
      font-size: 13px;
      margin-top: 6px;
    }

    .notice-grid {
      display: grid;
      grid-template-columns: repeat(2, minmax(0, 1fr));
      gap: 16px;
    }

    .notice-card {
      border-radius: 24px;
      padding: 22px;
      background: rgba(255,255,255,0.055);
      border: 1px solid var(--line);
      transition: transform .22s ease, border-color .22s ease;
    }

    .notice-card:hover {
      transform: translateY(-3px);
      border-color: rgba(34,211,238,.38);
    }

    .notice-card h3 {
      margin: 0 0 8px;
      font-size: 20px;
    }

    .notice-card p {
      margin: 0;
      color: var(--muted);
      font-size: 14px;
      line-height: 1.75;
    }

    .feedback-wall {
      display: grid;
      grid-template-columns: minmax(260px, .8fr) minmax(0, 1.2fr);
      gap: 24px;
      align-items: start;
    }

    .feedback-summary {
      position: sticky;
      top: 106px;
      border-radius: var(--radius-lg);
      padding: 26px;
      background: var(--panel-strong);
      border: 1px solid var(--line);
      backdrop-filter: blur(18px);
      box-shadow: var(--shadow);
    }

    .signal-dots {
      display: flex;
      gap: 7px;
      margin: 18px 0;
    }

    .signal-dots span {
      width: 11px;
      height: 11px;
      border-radius: 50%;
      background: rgba(34,211,238,.35);
      box-shadow: 0 0 12px rgba(34,211,238,.12);
    }

    .signal-dots span:nth-child(1),
    .signal-dots span:nth-child(2),
    .signal-dots span:nth-child(3),
    .signal-dots span:nth-child(4) {
      background: var(--teal);
    }

    .feedback-list {
      display: grid;
      gap: 16px;
    }

    .feedback-card {
      padding: 20px;
      border-radius: 26px;
      background: rgba(255,255,255,0.055);
      border: 1px solid var(--line);
      backdrop-filter: blur(18px);
    }

    .feedback-card:nth-child(even) {
      transform: translateX(26px);
    }

    .feedback-user {
      display: flex;
      align-items: center;
      gap: 12px;
      margin-bottom: 12px;
    }

    .avatar {
      width: 38px;
      height: 38px;
      border-radius: 50%;
      background: linear-gradient(135deg, var(--blue), var(--violet));
      box-shadow: 0 0 20px rgba(99,102,241,.2);
    }

    .feedback-user strong {
      display: block;
      font-size: 15px;
    }

    .feedback-user span {
      display: block;
      color: var(--muted-2);
      font-size: 12px;
    }

    .feedback-card p {
      margin: 0;
      color: #c7d8ea;
      font-size: 14px;
      line-height: 1.78;
    }

    .faq-wrap {
      display: grid;
      grid-template-columns: minmax(260px, .42fr) minmax(0, .58fr);
      gap: 26px;
      align-items: start;
    }

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

    .faq-item {
      border-radius: 22px;
      border: 1px solid var(--line);
      background: rgba(255,255,255,0.055);
      overflow: hidden;
      backdrop-filter: blur(18px);
      transition: border-color .22s ease, background .22s ease;
    }

    .faq-item.open {
      border-color: rgba(34, 211, 238, .42);
      background: rgba(34, 211, 238, .07);
    }

    .faq-toggle {
      width: 100%;
      min-height: 62px;
      padding: 0 20px;
      display: flex;
      align-items: center;
      justify-content: space-between;
      gap: 18px;
      color: var(--text);
      background: transparent;
      text-align: left;
      font-weight: 720;
    }

    .faq-toggle .plus {
      width: 28px;
      height: 28px;
      flex: 0 0 auto;
      border-radius: 50%;
      display: grid;
      place-items: center;
      color: var(--cyan);
      border: 1px solid rgba(34, 211, 238, .26);
      transition: transform .22s ease, background .22s ease;
    }

    .faq-item.open .plus {
      transform: rotate(45deg);
      background: rgba(34, 211, 238, .12);
    }

    .faq-answer {
      display: none;
      padding: 0 20px 20px 20px;
      color: var(--muted);
      font-size: 14px;
      line-height: 1.85;
    }

    .faq-answer p {
      margin: 0;
      padding-left: 14px;
      border-left: 2px solid var(--cyan);
    }

    .faq-item.open .faq-answer {
      display: block;
      animation: faqIn .2s ease both;
    }

    @keyframes faqIn {
      from { opacity: 0; transform: translateY(-4px); }
      to { opacity: 1; transform: translateY(0); }
    }

    .cta-panel {
      position: relative;
      overflow: hidden;
      border-radius: 36px;
      padding: clamp(26px, 4vw, 46px);
      background:
        radial-gradient(circle at 20% 30%, rgba(34,211,238,.19), transparent 34%),
        radial-gradient(circle at 82% 70%, rgba(139,92,246,.16), transparent 36%),
        rgba(15,30,52,.72);
      border: 1px solid rgba(34,211,238,.23);
      box-shadow: var(--shadow), var(--glow);
    }

    .cta-panel::after {
      content: "";
      position: absolute;
      right: -80px;
      top: 34px;
      width: 420px;
      height: 160px;
      opacity: .18;
      background: repeating-linear-gradient(90deg, rgba(34,211,238,.8) 0 3px, transparent 3px 16px);
      transform: rotate(-10deg);
    }

    .cta-content {
      position: relative;
      z-index: 1;
      display: grid;
      grid-template-columns: minmax(0, 1fr) auto;
      gap: 24px;
      align-items: center;
    }

    .cta-content h2 {
      margin: 0;
      font-size: clamp(26px, 4vw, 42px);
      line-height: 1.2;
    }

    .cta-content p {
      margin: 12px 0 0;
      color: var(--muted);
      max-width: 720px;
    }

    .cta-actions {
      display: flex;
      flex-wrap: wrap;
      gap: 12px;
      justify-content: flex-end;
    }

    .site-footer {
      position: relative;
      padding: 58px 0 30px;
      border-top: 1px solid rgba(148, 163, 184, 0.14);
      background:
        radial-gradient(circle at 15% 0%, rgba(56, 189, 248, 0.10), transparent 28rem),
        rgba(5, 13, 24, 0.82);
      overflow: hidden;
    }

    .site-footer::before {
      content: "";
      position: absolute;
      left: -5%;
      right: -5%;
      top: 20px;
      height: 70px;
      opacity: .12;
      background: repeating-linear-gradient(90deg, rgba(34,211,238,.6) 0 2px, transparent 2px 18px);
    }

    .footer-grid {
      position: relative;
      z-index: 1;
      display: grid;
      grid-template-columns: minmax(0, 1.25fr) repeat(2, minmax(180px, .45fr));
      gap: 34px;
    }

    .footer-note {
      margin: 18px 0 0;
      max-width: 560px;
      color: var(--muted);
      font-size: 14px;
      line-height: 1.85;
    }

    .footer-title {
      color: #ffffff;
      font-weight: 760;
      margin-bottom: 14px;
    }

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

    .footer-links a {
      color: var(--muted);
      font-size: 14px;
    }

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

    .copyright {
      position: relative;
      z-index: 1;
      margin-top: 36px;
      padding-top: 22px;
      border-top: 1px solid rgba(148, 163, 184, 0.12);
      display: flex;
      justify-content: space-between;
      gap: 16px;
      color: var(--muted-2);
      font-size: 13px;
    }

    .sticky-cta {
      position: fixed;
      left: 50%;
      bottom: 18px;
      transform: translateX(-50%);
      width: min(100% - 32px, 1120px);
      min-height: 78px;
      z-index: 60;
      display: grid;
      grid-template-columns: 1fr auto auto;
      align-items: center;
      gap: 14px;
      padding: 14px 16px 14px 22px;
      border-radius: 999px;
      border: 1px solid rgba(34, 211, 238, 0.22);
      background: rgba(7, 17, 31, 0.82);
      backdrop-filter: blur(22px);
      box-shadow: 0 18px 60px rgba(0,0,0,.38), 0 0 34px rgba(34,211,238,.16);
    }

    .sticky-cta.is-hidden {
      display: none;
    }

    .sticky-title {
      font-weight: 800;
      color: #ffffff;
      line-height: 1.35;
    }

    .sticky-title span {
      display: block;
      color: var(--muted);
      font-size: 13px;
      font-weight: 500;
      margin-top: 2px;
    }

    .sticky-close {
      width: 36px;
      height: 36px;
      border-radius: 50%;
      color: var(--muted);
      background: rgba(255,255,255,.06);
      border: 1px solid var(--line);
      display: grid;
      place-items: center;
      transition: color .22s ease, border-color .22s ease, background .22s ease;
    }

    .sticky-close:hover {
      color: #fff;
      border-color: rgba(34,211,238,.4);
      background: rgba(34,211,238,.1);
    }

    .floating-return {
      position: fixed;
      right: 18px;
      bottom: 18px;
      z-index: 59;
      display: none;
      min-height: 48px;
      padding: 0 16px;
      border-radius: 999px;
      border: 1px solid rgba(34,211,238,.3);
      background: rgba(7,17,31,.82);
      color: #dffaff;
      backdrop-filter: blur(18px);
      box-shadow: 0 12px 36px rgba(0,0,0,.3);
      align-items: center;
      gap: 8px;
    }

    .floating-return.show {
      display: inline-flex;
    }

    @media (max-width: 1100px) {
      .desktop-nav {
        gap: 20px;
      }

      .desktop-only {
        display: none !important;
      }

      .hero-grid,
      .timeline-wrap,
      .device-layout,
      .feedback-wall,
      .faq-wrap,
      .split-head {
        grid-template-columns: 1fr;
      }

      .hero-card {
        min-height: auto;
      }

      .feedback-summary {
        position: static;
      }

      .category-tile,
      .category-tile:nth-child(1),
      .category-tile:nth-child(4) {
        grid-column: span 3;
      }

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

      .cta-actions {
        justify-content: flex-start;
      }
    }

    @media (max-width: 860px) {
      body {
        padding-bottom: 120px;
      }

      .container {
        width: min(100% - 28px, 1200px);
      }

      .desktop-nav {
        display: none;
      }

      .menu-btn {
        display: inline-flex;
      }

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

      .brand-text {
        max-width: 210px;
      }

      .hero {
        padding: 44px 0 60px;
      }

      .section,
      .section-tight {
        padding: 58px 0;
      }

      .qualification,
      .notice-grid {
        grid-template-columns: 1fr;
      }

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

      .category-tile,
      .category-tile:nth-child(1),
      .category-tile:nth-child(4) {
        grid-column: span 1;
      }

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

      .copyright {
        flex-direction: column;
      }

      .sticky-cta {
        width: calc(100% - 24px);
        bottom: 12px;
        grid-template-columns: 1fr 44px;
        border-radius: 24px;
        padding: 12px;
      }

      .sticky-cta .btn {
        grid-column: 1 / -1;
        width: 100%;
      }

      .sticky-title {
        font-size: 14px;
      }
    }

    @media (max-width: 560px) {
      h1 {
        font-size: 36px;
      }

      .hero-actions,
      .cta-actions {
        flex-direction: column;
      }

      .btn {
        width: 100%;
        min-height: 52px;
      }

      .index-card,
      .device-card {
        grid-template-columns: 1fr;
      }

      .abstract-thumb {
        width: 100%;
        height: 72px;
      }

      .feedback-card:nth-child(even) {
        transform: none;
      }

      .hero-card,
      .console-card,
      .timeline,
      .detail-panel,
      .request-card,
      .cta-panel {
        border-radius: 26px;
      }

      .faq-toggle {
        padding: 0 16px;
        font-size: 15px;
      }

      .faq-answer {
        padding: 0 16px 16px;
      }
    }

/* roulang page: category1 */
:root {
      --bg: #07111f;
      --bg-2: #0a1628;
      --panel: rgba(15, 30, 52, .64);
      --panel-strong: rgba(18, 38, 66, .78);
      --panel-soft: rgba(255, 255, 255, .055);
      --line: rgba(148, 163, 184, .18);
      --line-bright: rgba(56, 189, 248, .46);
      --text: #e5f2ff;
      --muted: #9fb3c8;
      --muted-2: #71859d;
      --blue: #38bdf8;
      --cyan: #22d3ee;
      --teal: #2dd4bf;
      --violet: #6366f1;
      --amber: #fbbf24;
      --danger: #f87171;
      --radius-xl: 32px;
      --radius-lg: 24px;
      --radius-md: 18px;
      --radius-pill: 999px;
      --shadow: 0 24px 70px rgba(0, 0, 0, .38);
      --glow: 0 0 42px rgba(56, 189, 248, .16);
      --container: 1200px;
      --header-h: 78px;
      --ease: 180ms ease;
    }

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

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

    body {
      min-height: 100vh;
      font-family: system-ui, -apple-system, BlinkMacSystemFont, "PingFang SC", "Microsoft YaHei", "Noto Sans SC", sans-serif;
      color: var(--text);
      line-height: 1.75;
      background:
        radial-gradient(circle at 12% 6%, rgba(56, 189, 248, .16), transparent 34%),
        radial-gradient(circle at 88% 12%, rgba(99, 102, 241, .18), transparent 35%),
        radial-gradient(circle at 70% 88%, rgba(45, 212, 191, .10), transparent 34%),
        linear-gradient(180deg, #07111f 0%, #0a1628 44%, #07111f 100%);
      overflow-x: hidden;
      padding-bottom: 104px;
    }

    body::before {
      content: "";
      position: fixed;
      inset: 0;
      pointer-events: none;
      z-index: -1;
      opacity: .23;
      background-image:
        linear-gradient(rgba(255,255,255,.045) 1px, transparent 1px),
        linear-gradient(90deg, rgba(255,255,255,.035) 1px, transparent 1px);
      background-size: 42px 42px;
      mask-image: radial-gradient(circle at center, #000 0%, transparent 78%);
    }

    a {
      color: inherit;
      text-decoration: none;
    }

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

    button {
      border: 0;
      cursor: pointer;
    }

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

    ::selection {
      background: rgba(34, 211, 238, .28);
      color: #fff;
    }

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

    .site-header {
      position: sticky;
      top: 0;
      z-index: 80;
      height: var(--header-h);
      border-bottom: 1px solid rgba(148, 163, 184, .12);
      background: rgba(7, 17, 31, .74);
      backdrop-filter: blur(20px);
    }

    .nav-wrap {
      height: var(--header-h);
      display: flex;
      align-items: center;
      justify-content: space-between;
      gap: 26px;
    }

    .brand {
      display: inline-flex;
      align-items: center;
      gap: 12px;
      min-width: 0;
      transition: transform var(--ease), opacity var(--ease);
    }

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

    .brand-mark {
      width: 34px;
      height: 34px;
      border-radius: 14px;
      position: relative;
      background:
        linear-gradient(135deg, rgba(56, 189, 248, .95), rgba(45, 212, 191, .82)),
        radial-gradient(circle, rgba(255,255,255,.7), transparent 55%);
      box-shadow: 0 0 34px rgba(34, 211, 238, .35);
      flex: 0 0 auto;
      overflow: hidden;
    }

    .brand-mark::before,
    .brand-mark::after {
      content: "";
      position: absolute;
      left: 8px;
      right: 8px;
      height: 2px;
      border-radius: 99px;
      background: rgba(7, 17, 31, .72);
      box-shadow: 0 6px 0 rgba(7,17,31,.58), 0 12px 0 rgba(7,17,31,.38);
      top: 10px;
    }

    .brand-mark::after {
      left: 15px;
      right: 7px;
      top: 13px;
      transform: rotate(90deg);
      opacity: .42;
    }

    .brand-text {
      font-weight: 760;
      letter-spacing: .01em;
      color: #f4fbff;
      white-space: nowrap;
      overflow: hidden;
      text-overflow: ellipsis;
    }

    .desktop-nav {
      display: flex;
      align-items: center;
      gap: 8px;
      margin-left: auto;
    }

    .nav-link {
      position: relative;
      padding: 10px 14px;
      color: var(--muted);
      font-size: 14px;
      line-height: 1.2;
      border-radius: var(--radius-pill);
      transition: color var(--ease), background var(--ease), transform var(--ease);
    }

    .nav-link:hover {
      color: #f8fdff;
      background: rgba(255,255,255,.055);
      transform: translateY(-1px);
    }

    .nav-link.active {
      color: #ffffff;
    }

    .nav-link.active::after {
      content: "";
      position: absolute;
      left: 16px;
      right: 16px;
      bottom: 4px;
      height: 2px;
      border-radius: 99px;
      background: linear-gradient(90deg, var(--blue), var(--teal));
      box-shadow: 0 0 14px rgba(34, 211, 238, .58);
    }

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

    .btn {
      display: inline-flex;
      align-items: center;
      justify-content: center;
      gap: 8px;
      min-height: 48px;
      padding: 0 22px;
      border-radius: var(--radius-pill);
      font-weight: 700;
      color: #fff;
      line-height: 1;
      transition: transform var(--ease), box-shadow var(--ease), border-color var(--ease), background var(--ease), opacity var(--ease);
      user-select: none;
      white-space: nowrap;
    }

    .btn:focus-visible,
    .menu-btn:focus-visible,
    .faq-question:focus-visible,
    input:focus-visible,
    textarea:focus-visible,
    select:focus-visible {
      outline: 3px solid rgba(34, 211, 238, .35);
      outline-offset: 3px;
    }

    .btn-primary {
      background: linear-gradient(135deg, var(--blue), var(--cyan) 48%, var(--teal));
      box-shadow: 0 14px 34px rgba(34, 211, 238, .23), inset 0 1px 0 rgba(255,255,255,.28);
    }

    .btn-primary:hover {
      transform: translateY(-2px);
      box-shadow: 0 20px 50px rgba(34, 211, 238, .34), 0 0 34px rgba(45, 212, 191, .20);
    }

    .btn-secondary {
      border: 1px solid rgba(148, 163, 184, .24);
      background: rgba(255,255,255,.055);
      color: #dff7ff;
      backdrop-filter: blur(16px);
    }

    .btn-secondary:hover {
      transform: translateY(-2px);
      border-color: rgba(34, 211, 238, .58);
      background: rgba(56,189,248,.10);
      box-shadow: 0 10px 28px rgba(0,0,0,.22);
    }

    .btn-small {
      min-height: 40px;
      padding: 0 16px;
      font-size: 14px;
    }

    .menu-btn {
      display: none;
      width: 44px;
      height: 44px;
      border-radius: 16px;
      background: rgba(255,255,255,.06);
      border: 1px solid rgba(148,163,184,.18);
      align-items: center;
      justify-content: center;
      flex-direction: column;
      gap: 5px;
    }

    .menu-btn span {
      width: 18px;
      height: 2px;
      border-radius: 99px;
      background: #dff7ff;
      transition: transform var(--ease), opacity var(--ease);
    }

    .menu-btn[aria-expanded="true"] span:nth-child(1) {
      transform: translateY(7px) rotate(45deg);
    }

    .menu-btn[aria-expanded="true"] span:nth-child(2) {
      opacity: 0;
    }

    .menu-btn[aria-expanded="true"] span:nth-child(3) {
      transform: translateY(-7px) rotate(-45deg);
    }

    .mobile-panel {
      display: none;
      position: fixed;
      top: var(--header-h);
      left: 20px;
      right: 20px;
      padding: 16px;
      border: 1px solid rgba(148,163,184,.18);
      border-radius: 24px;
      background: rgba(8, 20, 37, .92);
      backdrop-filter: blur(22px);
      box-shadow: var(--shadow);
    }

    .mobile-panel a {
      display: block;
      padding: 14px 16px;
      border-radius: 16px;
      color: var(--muted);
      font-weight: 700;
    }

    .mobile-panel a:hover,
    .mobile-panel a.active {
      color: #fff;
      background: rgba(56,189,248,.10);
    }

    .top-strip {
      background:
        linear-gradient(90deg, rgba(229, 242, 255, .94), rgba(214, 245, 255, .88)),
        radial-gradient(circle at 22% 0%, rgba(56,189,248,.22), transparent 42%);
      color: #0a1628;
      border-bottom: 1px solid rgba(255,255,255,.24);
    }

    .strip-inner {
      min-height: 64px;
      display: flex;
      align-items: center;
      justify-content: space-between;
      gap: 18px;
      padding: 14px 0;
    }

    .strip-note {
      display: flex;
      align-items: center;
      gap: 10px;
      font-size: 14px;
      color: rgba(10,22,40,.78);
      font-weight: 650;
    }

    .strip-dot {
      width: 10px;
      height: 10px;
      border-radius: 999px;
      background: #0f766e;
      box-shadow: 0 0 0 6px rgba(45, 212, 191, .18);
      flex: 0 0 auto;
    }

    .strip-links {
      display: flex;
      gap: 10px;
      flex-wrap: wrap;
    }

    .strip-links a {
      color: #0f2a3e;
      border: 1px solid rgba(15,42,62,.16);
      border-radius: 999px;
      padding: 7px 12px;
      background: rgba(255,255,255,.42);
      font-size: 13px;
      font-weight: 750;
      transition: transform var(--ease), background var(--ease);
    }

    .strip-links a:hover {
      transform: translateY(-1px);
      background: rgba(255,255,255,.72);
    }

    .hero {
      position: relative;
      padding: 54px 0 34px;
      overflow: hidden;
    }

    .hero::before {
      content: "";
      position: absolute;
      inset: 0;
      pointer-events: none;
      background:
        linear-gradient(90deg, transparent 0 8%, rgba(56,189,248,.12) 8.2% 8.5%, transparent 8.8% 16%),
        radial-gradient(circle at 86% 20%, rgba(34, 211, 238, .14), transparent 30%);
      opacity: .65;
    }

    .hero-grid {
      position: relative;
      display: grid;
      grid-template-columns: minmax(0, 1.05fr) minmax(340px, .72fr);
      gap: 28px;
      align-items: stretch;
    }

    .hero-copy {
      min-height: 330px;
      display: flex;
      flex-direction: column;
      justify-content: center;
      padding: 36px;
      border-radius: var(--radius-xl);
      background: linear-gradient(135deg, rgba(15,30,52,.76), rgba(15,30,52,.46));
      border: 1px solid rgba(148,163,184,.18);
      box-shadow: var(--shadow), var(--glow);
      backdrop-filter: blur(18px);
      overflow: hidden;
      position: relative;
    }

    .hero-copy::after {
      content: "";
      position: absolute;
      left: 28px;
      right: 28px;
      bottom: 22px;
      height: 42px;
      opacity: .20;
      background:
        linear-gradient(90deg, transparent 0 2%, var(--cyan) 2% 2.5%, transparent 2.5% 5%),
        repeating-linear-gradient(90deg, rgba(56,189,248,.7) 0 3px, transparent 3px 16px);
      mask-image: linear-gradient(180deg, transparent, #000 42%, transparent);
    }

    .eyebrow {
      display: inline-flex;
      align-items: center;
      gap: 8px;
      width: fit-content;
      border-radius: var(--radius-pill);
      padding: 8px 12px;
      background: rgba(56,189,248,.10);
      border: 1px solid rgba(56,189,248,.24);
      color: #c8f6ff;
      font-size: 13px;
      font-weight: 750;
      margin-bottom: 18px;
    }

    .eyebrow::before {
      content: "";
      width: 8px;
      height: 8px;
      border-radius: 50%;
      background: var(--teal);
      box-shadow: 0 0 16px rgba(45,212,191,.78);
    }

    h1 {
      max-width: 820px;
      font-size: clamp(34px, 5vw, 64px);
      line-height: 1.08;
      letter-spacing: -.03em;
      font-weight: 820;
      margin-bottom: 18px;
    }

    .gradient-text {
      color: transparent;
      background: linear-gradient(100deg, #ffffff, #a7f3ff 36%, #67e8f9 72%, #c4b5fd);
      -webkit-background-clip: text;
      background-clip: text;
    }

    .hero-desc {
      max-width: 760px;
      color: var(--muted);
      font-size: 17px;
      margin-bottom: 22px;
    }

    .hero-tags {
      display: flex;
      flex-wrap: wrap;
      gap: 10px;
      margin-bottom: 26px;
    }

    .tag,
    .badge {
      display: inline-flex;
      align-items: center;
      gap: 7px;
      border-radius: var(--radius-pill);
      padding: 7px 11px;
      font-size: 13px;
      color: #d8f7ff;
      background: rgba(255,255,255,.065);
      border: 1px solid rgba(148,163,184,.17);
    }

    .tag::before {
      content: "";
      width: 6px;
      height: 6px;
      border-radius: 50%;
      background: var(--blue);
      box-shadow: 0 0 12px rgba(56,189,248,.7);
    }

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

    .compliance-line {
      display: flex;
      align-items: flex-start;
      gap: 10px;
      margin-top: 18px;
      color: #f8ddb0;
      font-size: 13px;
      max-width: 720px;
    }

    .warning-dot {
      width: 9px;
      height: 9px;
      border-radius: 99px;
      background: var(--amber);
      box-shadow: 0 0 16px rgba(251,191,36,.48);
      margin-top: 8px;
      flex: 0 0 auto;
    }

    .filter-console {
      border-radius: var(--radius-xl);
      background: rgba(12, 27, 48, .74);
      border: 1px solid rgba(148,163,184,.18);
      box-shadow: var(--shadow);
      backdrop-filter: blur(18px);
      padding: 22px;
      overflow: hidden;
      position: relative;
    }

    .filter-console::before {
      content: "";
      position: absolute;
      top: -80px;
      right: -80px;
      width: 190px;
      height: 190px;
      border-radius: 50%;
      background: rgba(99,102,241,.24);
      filter: blur(30px);
    }

    .console-head {
      position: relative;
      display: flex;
      justify-content: space-between;
      gap: 14px;
      align-items: center;
      margin-bottom: 18px;
    }

    .console-title {
      font-weight: 800;
      font-size: 18px;
    }

    .status-pill {
      display: inline-flex;
      align-items: center;
      gap: 8px;
      padding: 8px 11px;
      border-radius: 999px;
      color: #bffcf2;
      background: rgba(45,212,191,.10);
      border: 1px solid rgba(45,212,191,.22);
      font-size: 12px;
      font-weight: 750;
      white-space: nowrap;
    }

    .status-pill::before {
      content: "";
      width: 7px;
      height: 7px;
      border-radius: 50%;
      background: var(--teal);
    }

    .wave-bars {
      height: 58px;
      display: grid;
      grid-template-columns: repeat(24, 1fr);
      gap: 5px;
      align-items: center;
      padding: 12px 0 18px;
      border-bottom: 1px solid rgba(148,163,184,.14);
      margin-bottom: 18px;
    }

    .wave-bars span {
      display: block;
      border-radius: 999px;
      background: linear-gradient(180deg, rgba(56,189,248,.95), rgba(45,212,191,.35));
      min-height: 8px;
      box-shadow: 0 0 14px rgba(56,189,248,.18);
    }

    .wave-bars span:nth-child(3n) { height: 38px; }
    .wave-bars span:nth-child(3n+1) { height: 22px; }
    .wave-bars span:nth-child(3n+2) { height: 46px; }

    .quick-filter {
      display: grid;
      gap: 12px;
    }

    .filter-row {
      display: flex;
      justify-content: space-between;
      align-items: center;
      gap: 12px;
      padding: 13px 14px;
      border-radius: 18px;
      background: rgba(255,255,255,.055);
      border: 1px solid rgba(148,163,184,.14);
      transition: transform var(--ease), border-color var(--ease), background var(--ease);
    }

    .filter-row:hover {
      transform: translateY(-2px);
      border-color: rgba(56,189,248,.42);
      background: rgba(56,189,248,.08);
    }

    .filter-row strong {
      display: block;
      font-size: 15px;
      line-height: 1.35;
    }

    .filter-row span {
      display: block;
      color: var(--muted);
      font-size: 12px;
      margin-top: 2px;
    }

    .filter-row .arrow {
      color: var(--cyan);
      font-size: 22px;
      transition: transform var(--ease);
    }

    .filter-row:hover .arrow {
      transform: translateX(4px);
    }

    .section {
      padding: 78px 0;
    }

    .section-tight {
      padding: 52px 0;
    }

    .section-head {
      display: grid;
      grid-template-columns: minmax(0, .75fr) minmax(280px, .45fr);
      gap: 28px;
      align-items: end;
      margin-bottom: 28px;
    }

    .section-kicker {
      color: var(--cyan);
      font-weight: 800;
      font-size: 13px;
      margin-bottom: 8px;
      letter-spacing: .08em;
    }

    h2 {
      font-size: clamp(26px, 4vw, 44px);
      line-height: 1.16;
      letter-spacing: -.02em;
      font-weight: 800;
    }

    .section-intro {
      color: var(--muted);
      font-size: 15px;
    }

    .glass {
      border: 1px solid rgba(148,163,184,.18);
      background: var(--panel);
      backdrop-filter: blur(18px);
      box-shadow: 0 20px 60px rgba(0,0,0,.28);
    }

    .filter-layout {
      display: grid;
      grid-template-columns: 340px minmax(0, 1fr);
      gap: 24px;
      align-items: start;
    }

    .filter-sidebar {
      border-radius: var(--radius-xl);
      padding: 22px;
      position: sticky;
      top: calc(var(--header-h) + 20px);
    }

    .sidebar-title {
      font-size: 18px;
      font-weight: 800;
      margin-bottom: 14px;
    }

    .subtitle-meter {
      height: 10px;
      border-radius: 999px;
      overflow: hidden;
      background: rgba(255,255,255,.07);
      margin: 8px 0 18px;
      border: 1px solid rgba(148,163,184,.12);
    }

    .subtitle-meter span {
      display: block;
      height: 100%;
      width: 76%;
      border-radius: inherit;
      background: linear-gradient(90deg, var(--blue), var(--teal));
      box-shadow: 0 0 22px rgba(34,211,238,.36);
    }

    .chip-group {
      display: flex;
      flex-wrap: wrap;
      gap: 10px;
      margin: 14px 0 18px;
    }

    .chip {
      border-radius: 999px;
      border: 1px solid rgba(148,163,184,.18);
      background: rgba(255,255,255,.055);
      color: #dcefff;
      padding: 8px 11px;
      font-size: 13px;
      font-weight: 700;
      transition: color var(--ease), border-color var(--ease), background var(--ease), transform var(--ease);
    }

    .chip:hover,
    .chip.active {
      color: #fff;
      border-color: rgba(34,211,238,.50);
      background: rgba(34,211,238,.12);
      transform: translateY(-1px);
    }

    .side-list {
      list-style: none;
      display: grid;
      gap: 12px;
      margin-top: 16px;
    }

    .side-list li {
      display: flex;
      gap: 10px;
      color: var(--muted);
      font-size: 14px;
    }

    .side-list li::before {
      content: "";
      width: 7px;
      height: 7px;
      border-radius: 99px;
      background: var(--teal);
      margin-top: 10px;
      box-shadow: 0 0 12px rgba(45,212,191,.6);
      flex: 0 0 auto;
    }

    .entry-list {
      display: grid;
      gap: 16px;
    }

    .entry-card {
      display: grid;
      grid-template-columns: 142px minmax(0, 1fr) auto;
      gap: 18px;
      align-items: center;
      border-radius: var(--radius-lg);
      padding: 18px;
      border: 1px solid rgba(148,163,184,.18);
      background: rgba(15,30,52,.58);
      backdrop-filter: blur(18px);
      box-shadow: 0 16px 44px rgba(0,0,0,.24);
      transition: transform var(--ease), border-color var(--ease), background var(--ease), box-shadow var(--ease);
    }

    .entry-card:hover {
      transform: translateY(-3px);
      border-color: rgba(34,211,238,.50);
      background: rgba(18,38,66,.76);
      box-shadow: 0 22px 58px rgba(0,0,0,.30), 0 0 34px rgba(56,189,248,.12);
    }

    .abstract-thumb {
      height: 112px;
      border-radius: 20px;
      background:
        linear-gradient(135deg, rgba(56,189,248,.24), rgba(99,102,241,.22)),
        repeating-linear-gradient(0deg, rgba(255,255,255,.20) 0 4px, transparent 4px 13px);
      border: 1px solid rgba(255,255,255,.10);
      position: relative;
      overflow: hidden;
    }

    .abstract-thumb::before {
      content: "";
      position: absolute;
      left: 16px;
      right: 16px;
      top: 20px;
      height: 8px;
      border-radius: 999px;
      background: rgba(255,255,255,.62);
      box-shadow: 0 22px 0 rgba(255,255,255,.34), 0 44px 0 rgba(34,211,238,.28);
    }

    .abstract-thumb::after {
      content: "";
      position: absolute;
      inset: auto 18px 16px 18px;
      height: 24px;
      background: repeating-linear-gradient(90deg, rgba(45,212,191,.82) 0 3px, transparent 3px 10px);
      opacity: .55;
      border-radius: 999px;
    }

    .entry-title {
      font-size: 20px;
      line-height: 1.35;
      font-weight: 800;
      margin-bottom: 8px;
    }

    .entry-desc {
      color: var(--muted);
      font-size: 14px;
      margin-bottom: 12px;
    }

    .entry-meta {
      display: flex;
      flex-wrap: wrap;
      gap: 8px;
    }

    .entry-action {
      display: flex;
      flex-direction: column;
      gap: 10px;
      align-items: flex-end;
      min-width: 150px;
    }

    .update {
      color: var(--muted-2);
      font-size: 12px;
    }

    .info-panel {
      display: grid;
      grid-template-columns: minmax(0, .86fr) minmax(320px, .52fr);
      gap: 24px;
      align-items: stretch;
    }

    .steps-card,
    .notice-card,
    .feedback-card {
      border-radius: var(--radius-xl);
      padding: 28px;
    }

    .step-list {
      list-style: none;
      display: grid;
      gap: 16px;
      margin-top: 18px;
    }

    .step-item {
      display: grid;
      grid-template-columns: 42px minmax(0, 1fr);
      gap: 14px;
      align-items: start;
      padding: 16px;
      border-radius: 20px;
      background: rgba(255,255,255,.045);
      border: 1px solid rgba(148,163,184,.13);
    }

    .step-num {
      width: 42px;
      height: 42px;
      border-radius: 16px;
      display: grid;
      place-items: center;
      color: #06111f;
      font-weight: 900;
      background: linear-gradient(135deg, var(--blue), var(--teal));
      box-shadow: 0 0 22px rgba(34,211,238,.22);
    }

    .step-item h3 {
      font-size: 17px;
      margin-bottom: 3px;
    }

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

    .notice-card {
      background:
        linear-gradient(180deg, rgba(251,191,36,.10), rgba(15,30,52,.60)),
        rgba(15,30,52,.62);
      border-color: rgba(251,191,36,.24);
    }

    .notice-card h3 {
      font-size: 22px;
      margin-bottom: 10px;
    }

    .notice-card p {
      color: #f4d9a8;
      font-size: 14px;
      margin-bottom: 16px;
    }

    .notice-grid {
      display: grid;
      gap: 10px;
    }

    .notice-item {
      padding: 12px 13px;
      border-radius: 16px;
      background: rgba(255,255,255,.055);
      border: 1px solid rgba(255,255,255,.10);
      color: #fff3d4;
      font-size: 13px;
    }

    .scenario-wrap {
      display: grid;
      grid-template-columns: minmax(0, .54fr) minmax(0, .88fr);
      gap: 24px;
      align-items: stretch;
    }

    .scenario-tabs {
      border-radius: var(--radius-xl);
      padding: 18px;
    }

    .scenario-tab {
      width: 100%;
      text-align: left;
      padding: 16px;
      border-radius: 18px;
      color: var(--muted);
      background: transparent;
      border: 1px solid transparent;
      margin-bottom: 8px;
      transition: background var(--ease), color var(--ease), border-color var(--ease), transform var(--ease);
    }

    .scenario-tab:hover,
    .scenario-tab.active {
      color: #fff;
      background: rgba(56,189,248,.09);
      border-color: rgba(56,189,248,.25);
      transform: translateX(2px);
    }

    .scenario-tab strong {
      display: block;
      font-size: 16px;
      margin-bottom: 2px;
    }

    .scenario-tab span {
      font-size: 13px;
      color: inherit;
      opacity: .78;
    }

    .scenario-panel {
      border-radius: var(--radius-xl);
      padding: 28px;
      min-height: 360px;
      overflow: hidden;
      position: relative;
    }

    .scenario-panel::before {
      content: "";
      position: absolute;
      inset: 22px 22px auto 22px;
      height: 72px;
      opacity: .22;
      background: repeating-linear-gradient(90deg, rgba(56,189,248,.85) 0 4px, transparent 4px 18px);
      mask-image: linear-gradient(180deg, transparent, #000 35%, transparent);
    }

    .panel-content {
      position: relative;
      padding-top: 84px;
    }

    .panel-title {
      font-size: 24px;
      font-weight: 850;
      margin-bottom: 10px;
    }

    .panel-text {
      color: var(--muted);
      margin-bottom: 18px;
    }

    .compare-grid {
      display: grid;
      grid-template-columns: repeat(2, minmax(0, 1fr));
      gap: 12px;
      margin-top: 18px;
    }

    .compare-card {
      border-radius: 18px;
      padding: 15px;
      background: rgba(255,255,255,.052);
      border: 1px solid rgba(148,163,184,.14);
    }

    .compare-card strong {
      display: block;
      margin-bottom: 4px;
    }

    .compare-card span {
      color: var(--muted);
      font-size: 13px;
    }

    .trust-row {
      display: grid;
      grid-template-columns: 1fr 1.25fr 1fr;
      gap: 18px;
      align-items: stretch;
    }

    .trust-card {
      border-radius: var(--radius-lg);
      padding: 22px;
      min-height: 190px;
      transition: transform var(--ease), border-color var(--ease), background var(--ease);
    }

    .trust-card:hover {
      transform: translateY(-3px);
      border-color: rgba(34,211,238,.38);
      background: rgba(18,38,66,.74);
    }

    .avatar-dot {
      width: 42px;
      height: 42px;
      border-radius: 50%;
      margin-bottom: 16px;
      background: linear-gradient(135deg, rgba(56,189,248,.95), rgba(99,102,241,.82), rgba(45,212,191,.75));
      box-shadow: 0 0 24px rgba(56,189,248,.20);
    }

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

    .signal {
      display: flex;
      gap: 5px;
      margin-top: 14px;
    }

    .signal i {
      display: block;
      width: 7px;
      height: 7px;
      border-radius: 50%;
      background: var(--cyan);
      box-shadow: 0 0 12px rgba(34,211,238,.44);
    }

    .feedback-layout {
      display: grid;
      grid-template-columns: minmax(0, .82fr) minmax(320px, .58fr);
      gap: 24px;
      align-items: stretch;
    }

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

    .form-row {
      display: grid;
      grid-template-columns: 1fr 1fr;
      gap: 14px;
    }

    .field label {
      display: block;
      color: #dff7ff;
      font-size: 13px;
      font-weight: 750;
      margin-bottom: 7px;
    }

    .field input,
    .field textarea,
    .field select {
      width: 100%;
      border-radius: 16px;
      border: 1px solid rgba(148,163,184,.18);
      background: rgba(255,255,255,.055);
      color: #fff;
      padding: 13px 14px;
      transition: border-color var(--ease), box-shadow var(--ease), background var(--ease);
    }

    .field textarea {
      min-height: 118px;
      resize: vertical;
    }

    .field input:focus,
    .field textarea:focus,
    .field select:focus {
      border-color: rgba(34,211,238,.58);
      box-shadow: 0 0 0 4px rgba(34,211,238,.10);
      background: rgba(56,189,248,.08);
    }

    .field input::placeholder,
    .field textarea::placeholder {
      color: rgba(159,179,200,.72);
    }

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

    .faq-item {
      border-radius: 22px;
      overflow: hidden;
      border: 1px solid rgba(148,163,184,.18);
      background: rgba(15,30,52,.58);
      backdrop-filter: blur(18px);
    }

    .faq-question {
      width: 100%;
      min-height: 62px;
      padding: 18px 20px;
      display: flex;
      align-items: center;
      justify-content: space-between;
      gap: 16px;
      background: transparent;
      color: #eefaff;
      text-align: left;
      font-weight: 800;
    }

    .faq-icon {
      flex: 0 0 auto;
      width: 28px;
      height: 28px;
      border-radius: 50%;
      display: grid;
      place-items: center;
      background: rgba(56,189,248,.10);
      color: var(--cyan);
      transition: transform var(--ease), background var(--ease);
    }

    .faq-answer {
      max-height: 0;
      overflow: hidden;
      transition: max-height 220ms ease;
    }

    .faq-answer-inner {
      margin: 0 20px 20px;
      padding: 16px 18px;
      border-left: 2px solid var(--cyan);
      border-radius: 16px;
      background: rgba(56,189,248,.075);
      color: var(--muted);
      font-size: 14px;
    }

    .faq-item.open .faq-icon {
      transform: rotate(45deg);
      background: rgba(45,212,191,.14);
    }

    .faq-item.open .faq-answer {
      max-height: 240px;
    }

    .cta-band {
      border-radius: 34px;
      padding: 34px;
      display: grid;
      grid-template-columns: minmax(0, 1fr) auto;
      gap: 24px;
      align-items: center;
      background:
        radial-gradient(circle at 12% 0%, rgba(56,189,248,.24), transparent 34%),
        linear-gradient(135deg, rgba(18,38,66,.82), rgba(12,27,48,.66));
      border: 1px solid rgba(56,189,248,.24);
      box-shadow: var(--shadow), 0 0 44px rgba(56,189,248,.12);
    }

    .cta-band h2 {
      font-size: clamp(25px, 3vw, 38px);
      margin-bottom: 8px;
    }

    .cta-band p {
      color: var(--muted);
    }

    .cta-actions {
      display: flex;
      gap: 12px;
      flex-wrap: wrap;
      justify-content: flex-end;
    }

    .site-footer {
      position: relative;
      padding: 58px 0 26px;
      border-top: 1px solid rgba(148,163,184,.14);
      background:
        linear-gradient(180deg, rgba(7,17,31,.60), rgba(5,12,22,.96)),
        radial-gradient(circle at 50% 0%, rgba(56,189,248,.12), transparent 34%);
      overflow: hidden;
    }

    .site-footer::before {
      content: "";
      position: absolute;
      left: 0;
      right: 0;
      top: 22px;
      height: 70px;
      opacity: .08;
      background: repeating-linear-gradient(90deg, rgba(56,189,248,.9) 0 4px, transparent 4px 17px);
      pointer-events: none;
    }

    .footer-grid {
      position: relative;
      display: grid;
      grid-template-columns: minmax(0, 1.2fr) .55fr .65fr;
      gap: 34px;
      align-items: start;
    }

    .footer-note {
      color: var(--muted);
      margin-top: 14px;
      max-width: 520px;
      font-size: 14px;
    }

    .footer-title {
      font-weight: 850;
      margin-bottom: 12px;
      color: #f4fbff;
    }

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

    .footer-links a {
      color: var(--muted);
      font-size: 14px;
      transition: color var(--ease), transform var(--ease);
    }

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

    .copyright {
      position: relative;
      margin-top: 34px;
      padding-top: 18px;
      border-top: 1px solid rgba(148,163,184,.12);
      display: flex;
      justify-content: space-between;
      gap: 16px;
      color: var(--muted-2);
      font-size: 13px;
      flex-wrap: wrap;
    }

    .bottom-bar {
      position: fixed;
      left: 50%;
      bottom: 18px;
      transform: translateX(-50%);
      z-index: 90;
      width: min(calc(100% - 40px), 1040px);
      border-radius: 999px;
      border: 1px solid rgba(148,163,184,.20);
      background: rgba(7, 17, 31, .82);
      backdrop-filter: blur(22px);
      box-shadow: 0 18px 56px rgba(0,0,0,.42), 0 0 34px rgba(56,189,248,.14);
      padding: 12px 14px 12px 22px;
      display: flex;
      align-items: center;
      justify-content: space-between;
      gap: 18px;
      transition: opacity var(--ease), transform var(--ease);
    }

    .bottom-bar.hidden {
      opacity: 0;
      pointer-events: none;
      transform: translateX(-50%) translateY(20px);
    }

    .bar-copy {
      min-width: 0;
    }

    .bar-copy strong {
      display: block;
      line-height: 1.2;
    }

    .bar-copy span {
      display: block;
      color: var(--muted);
      font-size: 13px;
      white-space: nowrap;
      overflow: hidden;
      text-overflow: ellipsis;
      max-width: 520px;
    }

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

    .bar-close {
      width: 38px;
      height: 38px;
      border-radius: 50%;
      color: var(--muted);
      background: rgba(255,255,255,.06);
      border: 1px solid rgba(148,163,184,.15);
      transition: color var(--ease), background var(--ease);
    }

    .bar-close:hover {
      color: #fff;
      background: rgba(248,113,113,.14);
    }

    .float-pill {
      position: fixed;
      right: 18px;
      bottom: 18px;
      z-index: 89;
      display: none;
      border-radius: 999px;
      padding: 12px 16px;
      background: linear-gradient(135deg, var(--blue), var(--teal));
      color: #06111f;
      font-weight: 900;
      box-shadow: 0 16px 38px rgba(34,211,238,.25);
    }

    .float-pill.show {
      display: inline-flex;
    }

    @media (max-width: 1024px) {
      :root {
        --header-h: 72px;
      }

      .desktop-nav,
      .desktop-only {
        display: none;
      }

      .menu-btn {
        display: inline-flex;
      }

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

      .hero-grid,
      .filter-layout,
      .info-panel,
      .scenario-wrap,
      .feedback-layout,
      .section-head {
        grid-template-columns: 1fr;
      }

      .filter-sidebar {
        position: static;
      }

      .entry-card {
        grid-template-columns: 120px minmax(0, 1fr);
      }

      .entry-action {
        grid-column: 2;
        flex-direction: row;
        justify-content: space-between;
        align-items: center;
        min-width: 0;
      }

      .trust-row {
        grid-template-columns: 1fr 1fr;
      }

      .cta-band {
        grid-template-columns: 1fr;
      }

      .cta-actions {
        justify-content: flex-start;
      }

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

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

    @media (max-width: 768px) {
      body {
        padding-bottom: 126px;
      }

      .container {
        width: min(calc(100% - 28px), var(--container));
      }

      .strip-inner {
        align-items: flex-start;
        flex-direction: column;
      }

      .hero {
        padding-top: 34px;
      }

      .hero-copy,
      .filter-console,
      .steps-card,
      .notice-card,
      .feedback-card,
      .scenario-panel,
      .scenario-tabs {
        padding: 20px;
        border-radius: 24px;
      }

      .hero-copy {
        min-height: auto;
      }

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

      .btn {
        width: 100%;
      }

      .entry-card {
        grid-template-columns: 1fr;
      }

      .abstract-thumb {
        height: 118px;
      }

      .entry-action {
        grid-column: auto;
        flex-direction: column;
        align-items: stretch;
      }

      .entry-action .btn {
        width: 100%;
      }

      .compare-grid,
      .form-row,
      .trust-row,
      .footer-grid {
        grid-template-columns: 1fr;
      }

      .section {
        padding: 58px 0;
      }

      .bottom-bar {
        width: calc(100% - 22px);
        bottom: 10px;
        border-radius: 26px;
        flex-direction: column;
        align-items: stretch;
        padding: 14px;
      }

      .bar-copy span {
        white-space: normal;
        max-width: none;
      }

      .bar-actions {
        width: 100%;
        display: grid;
        grid-template-columns: 1fr 1fr 40px;
      }

      .bar-actions .btn {
        width: 100%;
        padding-inline: 10px;
      }
    }

    @media (max-width: 520px) {
      .brand-text {
        max-width: 210px;
      }

      h1 {
        font-size: 34px;
      }

      .hero-desc {
        font-size: 15px;
      }

      .wave-bars {
        grid-template-columns: repeat(16, 1fr);
      }

      .wave-bars span:nth-child(n+17) {
        display: none;
      }

      .section-head {
        gap: 12px;
      }

      .bar-actions {
        grid-template-columns: 1fr;
      }

      .bar-close {
        width: 100%;
        border-radius: 999px;
      }
    }