/* roulang page: index */
:root{
      --bg:#080b14;
      --bg-soft:#0f1524;
      --panel:#141b2d;
      --panel-2:#101827;
      --card:#172033;
      --card-soft:#1d2940;
      --text:#f5f7fb;
      --muted:#aeb9cd;
      --weak:#7f8ba3;
      --line:rgba(255,255,255,.12);
      --line-strong:rgba(255,255,255,.2);
      --primary:#34d399;
      --primary-2:#22c55e;
      --accent:#60a5fa;
      --accent-2:#a78bfa;
      --danger:#fb7185;
      --warning:#fbbf24;
      --shadow:0 24px 70px rgba(0,0,0,.38);
      --shadow-soft:0 14px 40px rgba(0,0,0,.24);
      --radius-xs:10px;
      --radius:18px;
      --radius-lg:28px;
      --radius-xl:36px;
      --container:1180px;
      --ease:all .24s ease;
      --font:-apple-system,BlinkMacSystemFont,"Segoe UI","PingFang SC","Hiragino Sans GB","Microsoft YaHei",Arial,sans-serif;
    }
    *{box-sizing:border-box}
    html{scroll-behavior:smooth}
    body{
      margin:0;
      font-family:var(--font);
      color:var(--text);
      line-height:1.78;
      background:
        radial-gradient(circle at 10% 0%, rgba(52,211,153,.20), transparent 32%),
        radial-gradient(circle at 88% 10%, rgba(96,165,250,.22), transparent 34%),
        linear-gradient(180deg,#070a12 0%,#0b1020 42%,#090d16 100%);
      overflow-x:hidden;
    }
    body::before{
      content:"";
      position:fixed;
      inset:0;
      pointer-events:none;
      background-image:
        linear-gradient(rgba(255,255,255,.035) 1px, transparent 1px),
        linear-gradient(90deg, rgba(255,255,255,.035) 1px, transparent 1px);
      background-size:42px 42px;
      mask-image:linear-gradient(to bottom, rgba(0,0,0,.8), transparent 78%);
      z-index:-1;
    }
    a{color:inherit;text-decoration:none;transition:var(--ease)}
    a:hover,a:focus{color:var(--primary)}
    img{max-width:100%;display:block}
    button,input,textarea,select{font:inherit}
    button{cursor:pointer}
    input,textarea,select{
      width:100%;
      border:1px solid var(--line);
      border-radius:14px;
      background:rgba(255,255,255,.06);
      color:var(--text);
      outline:none;
      padding:14px 15px;
      transition:var(--ease);
    }
    input::placeholder,textarea::placeholder{color:#8c97ad}
    input:focus,textarea:focus,select:focus{
      border-color:rgba(52,211,153,.75);
      box-shadow:0 0 0 4px rgba(52,211,153,.13);
      background:rgba(255,255,255,.09);
    }
    .site-container{
      width:min(var(--container), calc(100% - 40px));
      margin:0 auto;
    }
    .skip-link{
      position:absolute;
      top:-60px;
      left:16px;
      background:var(--primary);
      color:#04100b;
      padding:10px 14px;
      border-radius:12px;
      z-index:999;
    }
    .skip-link:focus{top:14px;color:#04100b}
    .site-header{
      position:sticky;
      top:0;
      z-index:50;
      backdrop-filter:blur(18px);
      background:rgba(8,11,20,.78);
      border-bottom:1px solid var(--line);
    }
    .nav-shell{
      min-height:76px;
      display:flex;
      align-items:center;
      justify-content:space-between;
      gap:20px;
    }
    .brand{
      display:flex;
      align-items:center;
      gap:12px;
      min-width:max-content;
      font-weight:900;
      letter-spacing:-.02em;
    }
    .brand-mark{
      width:42px;
      height:42px;
      border-radius:15px;
      display:grid;
      place-items:center;
      background:linear-gradient(135deg,var(--primary),var(--accent));
      color:#061018;
      box-shadow:0 12px 35px rgba(52,211,153,.28);
    }
    .brand-text{
      display:flex;
      flex-direction:column;
      line-height:1.15;
    }
    .brand-text strong{font-size:16px}
    .brand-text span{font-size:12px;color:var(--muted);font-weight:700}
    .nav-main{
      display:flex;
      align-items:center;
      justify-content:center;
      gap:8px;
      flex:1;
    }
    .nav-link{
      padding:10px 16px;
      border-radius:999px;
      color:var(--muted);
      font-weight:800;
      font-size:14px;
    }
    .nav-link:hover,.nav-link:focus{
      color:var(--text);
      background:rgba(255,255,255,.07);
    }
    .nav-link.active{
      color:#07120d;
      background:linear-gradient(135deg,var(--primary),#bef264);
      box-shadow:0 10px 28px rgba(52,211,153,.22);
    }
    .nav-actions{
      display:flex;
      align-items:center;
      gap:10px;
      min-width:350px;
      justify-content:flex-end;
    }
    .nav-search{
      width:190px;
      position:relative;
    }
    .nav-search i{
      position:absolute;
      left:13px;
      top:50%;
      transform:translateY(-50%);
      color:var(--weak);
      font-size:13px;
    }
    .nav-search input{
      height:42px;
      border-radius:999px;
      padding:9px 12px 9px 36px;
      font-size:13px;
      background:rgba(255,255,255,.05);
    }
    .nav-small-btn{
      height:42px;
      display:inline-flex;
      align-items:center;
      gap:8px;
      padding:0 14px;
      border:1px solid var(--line);
      border-radius:999px;
      color:var(--muted);
      font-weight:800;
      background:rgba(255,255,255,.04);
    }
    .nav-small-btn:hover{
      color:var(--text);
      border-color:var(--line-strong);
      background:rgba(255,255,255,.08);
      transform:translateY(-1px);
    }
    .nav-cta{
      height:42px;
      display:inline-flex;
      align-items:center;
      gap:8px;
      padding:0 16px;
      border-radius:999px;
      color:#07120d;
      background:linear-gradient(135deg,var(--primary),#bef264);
      font-weight:950;
      box-shadow:0 14px 36px rgba(52,211,153,.23);
    }
    .nav-cta:hover{color:#07120d;transform:translateY(-2px);box-shadow:0 18px 42px rgba(52,211,153,.32)}
    .nav-toggle{
      display:none;
      border:1px solid var(--line);
      background:rgba(255,255,255,.05);
      color:var(--text);
      width:44px;
      height:44px;
      border-radius:14px;
    }
    .btn{
      display:inline-flex;
      align-items:center;
      justify-content:center;
      gap:10px;
      border:1px solid transparent;
      border-radius:999px;
      padding:13px 20px;
      min-height:48px;
      font-weight:950;
      letter-spacing:.01em;
      transition:var(--ease);
      user-select:none;
    }
    .btn-primary{
      color:#06120d;
      background:linear-gradient(135deg,var(--primary),#bef264);
      box-shadow:0 18px 44px rgba(52,211,153,.25);
    }
    .btn-primary:hover,.btn-primary:focus{
      color:#06120d;
      transform:translateY(-2px);
      box-shadow:0 24px 58px rgba(52,211,153,.35);
    }
    .btn-secondary{
      color:var(--text);
      background:rgba(255,255,255,.07);
      border-color:var(--line);
    }
    .btn-secondary:hover,.btn-secondary:focus{
      color:var(--text);
      background:rgba(255,255,255,.12);
      border-color:var(--line-strong);
      transform:translateY(-2px);
    }
    .btn-ghost{
      color:var(--muted);
      background:transparent;
      border-color:var(--line);
    }
    .btn-ghost:hover{color:var(--text);background:rgba(255,255,255,.06)}
    .badge{
      display:inline-flex;
      align-items:center;
      gap:8px;
      width:max-content;
      max-width:100%;
      padding:8px 12px;
      border-radius:999px;
      border:1px solid rgba(52,211,153,.25);
      color:#c7f9dc;
      background:rgba(52,211,153,.09);
      font-size:13px;
      font-weight:850;
    }
    .section{
      padding:88px 0;
      position:relative;
    }
    .section.compact{padding:62px 0}
    .section-head{
      display:flex;
      justify-content:space-between;
      gap:28px;
      align-items:flex-end;
      margin-bottom:34px;
    }
    .section-kicker{
      color:var(--primary);
      font-size:13px;
      font-weight:950;
      letter-spacing:.16em;
      text-transform:uppercase;
      margin-bottom:10px;
    }
    .section-title{
      margin:0;
      font-weight:950;
      line-height:1.18;
      letter-spacing:-.04em;
      font-size:clamp(28px,4vw,46px);
    }
    .section-desc{
      color:var(--muted);
      max-width:680px;
      margin:14px 0 0;
      font-size:16px;
    }
    .muted{color:var(--muted)}
    .hero{
      padding:48px 0 72px;
    }
    .invite-stage{
      overflow:hidden;
      position:relative;
      border:1px solid var(--line);
      border-radius:var(--radius-xl);
      background:
        linear-gradient(135deg, rgba(52,211,153,.18), transparent 36%),
        radial-gradient(circle at 80% 22%, rgba(96,165,250,.26), transparent 35%),
        linear-gradient(180deg, rgba(255,255,255,.08), rgba(255,255,255,.035));
      box-shadow:var(--shadow);
      padding:34px;
    }
    .invite-stage::after{
      content:"";
      position:absolute;
      right:-90px;
      top:-120px;
      width:360px;
      height:360px;
      border-radius:50%;
      border:1px solid rgba(255,255,255,.12);
      background:radial-gradient(circle, rgba(52,211,153,.16), transparent 62%);
    }
    .hero-grid{
      position:relative;
      z-index:1;
      display:grid;
      grid-template-columns:1.05fr .95fr;
      gap:26px;
      align-items:stretch;
    }
    .hero-copy{
      padding:16px 6px 10px;
    }
    .hero h1{
      margin:18px 0 18px;
      font-size:clamp(36px,7vw,76px);
      line-height:1.02;
      letter-spacing:-.06em;
      max-width:840px;
    }
    .hero-intro{
      color:#d2d9e8;
      font-size:18px;
      max-width:790px;
      margin:0 0 24px;
    }
    .hero-actions{
      display:flex;
      gap:12px;
      flex-wrap:wrap;
      margin:26px 0;
    }
    .hero-metrics{
      display:grid;
      grid-template-columns:repeat(3,1fr);
      gap:12px;
      margin-top:24px;
    }
    .metric{
      border:1px solid var(--line);
      border-radius:18px;
      background:rgba(9,14,25,.58);
      padding:15px;
    }
    .metric strong{
      display:block;
      font-size:24px;
      line-height:1;
      letter-spacing:-.03em;
    }
    .metric span{
      display:block;
      margin-top:8px;
      font-size:13px;
      color:var(--muted);
      line-height:1.45;
    }
    .reward-panel{
      border:1px solid rgba(255,255,255,.14);
      border-radius:28px;
      background:rgba(7,11,20,.70);
      box-shadow:inset 0 1px 0 rgba(255,255,255,.06);
      padding:24px;
      display:flex;
      flex-direction:column;
      justify-content:space-between;
      min-height:420px;
    }
    .reward-top{
      display:flex;
      justify-content:space-between;
      gap:12px;
      align-items:flex-start;
    }
    .reward-title{
      margin:0;
      font-size:22px;
      font-weight:950;
      letter-spacing:-.02em;
    }
    .reward-chip{
      color:#07120d;
      background:linear-gradient(135deg,#fbbf24,#fde68a);
      border-radius:999px;
      padding:7px 11px;
      font-weight:950;
      font-size:12px;
      white-space:nowrap;
    }
    .reward-list{
      list-style:none;
      padding:0;
      margin:22px 0;
      display:grid;
      gap:12px;
    }
    .reward-list li{
      display:flex;
      gap:12px;
      align-items:flex-start;
      color:#dce3ef;
      padding:13px;
      border-radius:16px;
      background:rgba(255,255,255,.055);
      border:1px solid rgba(255,255,255,.08);
    }
    .reward-list i{color:var(--primary);margin-top:6px}
    .progress-wrap{
      margin-top:4px;
      padding:16px;
      border-radius:20px;
      background:linear-gradient(180deg, rgba(96,165,250,.12), rgba(52,211,153,.08));
      border:1px solid rgba(255,255,255,.1);
    }
    .progress-row{
      display:flex;
      justify-content:space-between;
      color:var(--muted);
      font-weight:850;
      font-size:13px;
      margin-bottom:10px;
    }
    .progress-track{
      height:12px;
      border-radius:999px;
      background:rgba(255,255,255,.1);
      overflow:hidden;
    }
    .progress-fill{
      width:68%;
      height:100%;
      border-radius:999px;
      background:linear-gradient(90deg,var(--primary),var(--accent));
      box-shadow:0 0 24px rgba(52,211,153,.5);
    }
    .reward-code{
      margin-top:14px;
      display:flex;
      align-items:center;
      justify-content:space-between;
      gap:12px;
      border:1px dashed rgba(255,255,255,.22);
      border-radius:16px;
      padding:12px 14px;
      color:var(--muted);
      font-size:13px;
    }
    .reward-code strong{color:var(--text);letter-spacing:.08em}
    .feature-layout{
      display:grid;
      grid-template-columns:.8fr 1.2fr;
      gap:24px;
      align-items:start;
    }
    .side-panel{
      position:sticky;
      top:98px;
      border:1px solid var(--line);
      border-radius:var(--radius-lg);
      background:linear-gradient(180deg, rgba(255,255,255,.08), rgba(255,255,255,.035));
      padding:24px;
      box-shadow:var(--shadow-soft);
    }
    .signal-card{
      margin-top:20px;
      border-radius:22px;
      padding:18px;
      background:#071019;
      border:1px solid rgba(52,211,153,.18);
    }
    .signal-line{
      display:flex;
      align-items:center;
      justify-content:space-between;
      gap:12px;
      padding:11px 0;
      border-bottom:1px solid rgba(255,255,255,.08);
      color:var(--muted);
      font-size:14px;
    }
    .signal-line:last-child{border-bottom:0}
    .signal-line strong{color:var(--text)}
    .feature-grid{
      display:grid;
      grid-template-columns:repeat(2,1fr);
      gap:16px;
    }
    .card{
      border:1px solid var(--line);
      border-radius:var(--radius-lg);
      background:linear-gradient(180deg, rgba(255,255,255,.075), rgba(255,255,255,.035));
      padding:24px;
      box-shadow:0 10px 34px rgba(0,0,0,.18);
      transition:var(--ease);
      min-height:100%;
    }
    .card:hover{
      transform:translateY(-4px);
      border-color:rgba(52,211,153,.3);
      box-shadow:0 20px 50px rgba(0,0,0,.28);
    }
    .icon-box{
      width:48px;
      height:48px;
      border-radius:16px;
      display:grid;
      place-items:center;
      background:rgba(52,211,153,.12);
      color:var(--primary);
      margin-bottom:18px;
      font-size:20px;
    }
    .card h3{
      margin:0 0 10px;
      font-size:20px;
      font-weight:950;
      letter-spacing:-.02em;
    }
    .card p{
      margin:0;
      color:var(--muted);
      font-size:15px;
    }
    .scenario-band{
      border:1px solid var(--line);
      border-radius:var(--radius-xl);
      padding:30px;
      background:
        linear-gradient(90deg, rgba(52,211,153,.12), transparent 38%),
        rgba(255,255,255,.04);
      overflow:hidden;
    }
    .guide-grid{
      display:grid;
      grid-template-columns:repeat(4,1fr);
      gap:14px;
      counter-reset:step;
    }
    .guide-item{
      position:relative;
      padding:22px;
      border-radius:24px;
      border:1px solid var(--line);
      background:rgba(255,255,255,.055);
      min-height:210px;
    }
    .guide-item::before{
      counter-increment:step;
      content:"0" counter(step);
      display:inline-flex;
      width:42px;
      height:42px;
      align-items:center;
      justify-content:center;
      border-radius:14px;
      color:#07120d;
      background:linear-gradient(135deg,var(--primary),#bef264);
      font-weight:950;
      margin-bottom:18px;
    }
    .guide-item h3{font-size:18px;margin:0 0 9px;font-weight:950}
    .guide-item p{margin:0;color:var(--muted);font-size:14px}
    .security-wrap{
      display:grid;
      grid-template-columns:1fr 1fr;
      gap:22px;
      align-items:stretch;
    }
    .security-list{
      list-style:none;
      margin:0;
      padding:0;
      display:grid;
      gap:12px;
    }
    .security-list li{
      display:flex;
      gap:12px;
      padding:15px;
      border-radius:18px;
      background:rgba(255,255,255,.055);
      border:1px solid var(--line);
      color:#d6deec;
    }
    .security-list i{color:var(--primary);margin-top:6px}
    .compare-panel{
      border:1px solid var(--line);
      border-radius:var(--radius-lg);
      background:#0a101d;
      padding:20px;
    }
    .compare-row{
      display:grid;
      grid-template-columns:1fr auto;
      gap:16px;
      align-items:center;
      padding:15px 0;
      border-bottom:1px solid rgba(255,255,255,.09);
    }
    .compare-row:last-child{border-bottom:0}
    .compare-row span{color:var(--muted)}
    .status{
      padding:7px 11px;
      border-radius:999px;
      font-size:12px;
      font-weight:950;
      white-space:nowrap;
    }
    .status.good{background:rgba(52,211,153,.13);color:#a7f3d0}
    .status.warn{background:rgba(251,191,36,.13);color:#fde68a}
    .stage-grid{
      display:grid;
      grid-template-columns:1fr .86fr;
      gap:22px;
      align-items:center;
    }
    .screen-stage{
      border:1px solid var(--line);
      border-radius:var(--radius-xl);
      background:
        radial-gradient(circle at 20% 20%, rgba(96,165,250,.18), transparent 34%),
        linear-gradient(180deg, rgba(255,255,255,.08), rgba(255,255,255,.035));
      padding:24px;
      box-shadow:var(--shadow-soft);
    }
    .browser-frame{
      overflow:hidden;
      border-radius:24px;
      border:1px solid rgba(255,255,255,.14);
      background:#070b13;
    }
    .browser-top{
      height:46px;
      display:flex;
      align-items:center;
      gap:8px;
      padding:0 16px;
      border-bottom:1px solid rgba(255,255,255,.1);
      background:rgba(255,255,255,.045);
    }
    .dot{width:10px;height:10px;border-radius:50%;background:#fb7185}
    .dot:nth-child(2){background:#fbbf24}
    .dot:nth-child(3){background:#34d399}
    .browser-body{padding:18px;display:grid;gap:14px}
    .ui-row{
      display:grid;
      grid-template-columns:86px 1fr auto;
      gap:12px;
      align-items:center;
      padding:14px;
      border-radius:18px;
      background:rgba(255,255,255,.06);
      border:1px solid rgba(255,255,255,.08);
    }
    .ui-thumb{
      width:86px;
      height:54px;
      border-radius:14px;
      background:linear-gradient(135deg,rgba(52,211,153,.6),rgba(96,165,250,.55));
    }
    .ui-title{height:12px;width:75%;border-radius:999px;background:rgba(255,255,255,.28);margin-bottom:10px}
    .ui-sub{height:10px;width:52%;border-radius:999px;background:rgba(255,255,255,.16)}
    .ui-tag{
      color:#07120d;
      background:var(--primary);
      border-radius:999px;
      padding:6px 9px;
      font-size:12px;
      font-weight:950;
    }
    .stage-notes{
      display:grid;
      gap:14px;
    }
    .note-card{
      border:1px solid var(--line);
      border-radius:22px;
      padding:18px;
      background:rgba(255,255,255,.055);
    }
    .note-card strong{display:block;margin-bottom:6px;font-size:17px}
    .note-card span{color:var(--muted);font-size:14px}
    .testimonial-wrap{
      display:grid;
      grid-template-columns:.95fr 1.05fr;
      gap:22px;
      align-items:stretch;
    }
    .quote-feature{
      border-radius:var(--radius-xl);
      border:1px solid rgba(52,211,153,.22);
      background:
        linear-gradient(135deg, rgba(52,211,153,.15), rgba(96,165,250,.08)),
        rgba(255,255,255,.04);
      padding:30px;
      min-height:100%;
    }
    .quote-mark{
      font-size:56px;
      line-height:1;
      color:var(--primary);
      font-weight:950;
    }
    .quote-feature p{
      font-size:21px;
      color:#e7edf8;
      margin:14px 0 24px;
      line-height:1.65;
    }
    .avatar-line{
      display:flex;
      align-items:center;
      gap:12px;
    }
    .avatar{
      width:46px;
      height:46px;
      border-radius:50%;
      background:linear-gradient(135deg,var(--accent),var(--accent-2));
      display:grid;
      place-items:center;
      color:#fff;
      font-weight:950;
    }
    .quote-list{
      display:grid;
      gap:14px;
    }
    .quote-mini{
      border:1px solid var(--line);
      border-radius:24px;
      background:rgba(255,255,255,.055);
      padding:20px;
    }
    .quote-mini p{margin:0 0 12px;color:#d8e0ee}
    .quote-mini span{font-size:13px;color:var(--muted);font-weight:850}
    .news-layout{
      display:grid;
      grid-template-columns:1fr 340px;
      gap:24px;
      align-items:start;
    }
    .news-list{
      border:1px solid var(--line);
      border-radius:var(--radius-lg);
      overflow:hidden;
      background:rgba(255,255,255,.045);
    }
    .news-item{
      display:grid;
      grid-template-columns:120px 1fr auto;
      gap:18px;
      align-items:center;
      padding:18px 20px;
      border-bottom:1px solid rgba(255,255,255,.09);
    }
    .news-item:last-child{border-bottom:0}
    .news-date{
      color:var(--primary);
      font-weight:950;
      font-size:13px;
      letter-spacing:.08em;
    }
    .news-item a{
      font-size:17px;
      font-weight:950;
      color:#eef3fb;
    }
    .news-item a:hover{color:var(--primary)}
    .news-item p{
      grid-column:2 / 4;
      margin:-8px 0 0;
      color:var(--muted);
      font-size:14px;
    }
    .news-arrow{
      color:var(--weak);
      width:34px;
      height:34px;
      display:grid;
      place-items:center;
      border-radius:50%;
      border:1px solid var(--line);
    }
    .recommend{
      border:1px solid var(--line);
      border-radius:var(--radius-lg);
      background:linear-gradient(180deg, rgba(255,255,255,.08), rgba(255,255,255,.035));
      padding:22px;
      position:sticky;
      top:98px;
    }
    .tag-cloud{
      display:flex;
      flex-wrap:wrap;
      gap:10px;
      margin-top:16px;
    }
    .tag{
      display:inline-flex;
      padding:8px 11px;
      border-radius:999px;
      background:rgba(255,255,255,.065);
      border:1px solid var(--line);
      color:var(--muted);
      font-size:13px;
      font-weight:800;
    }
    .tag:hover{background:rgba(52,211,153,.12);color:#c7f9dc;border-color:rgba(52,211,153,.22)}
    .timeline{
      display:grid;
      gap:14px;
      position:relative;
    }
    .timeline-item{
      display:grid;
      grid-template-columns:160px 1fr auto;
      gap:18px;
      align-items:center;
      border:1px solid var(--line);
      border-radius:24px;
      padding:18px;
      background:rgba(255,255,255,.052);
    }
    .time{
      color:#07120d;
      background:linear-gradient(135deg,var(--primary),#bef264);
      border-radius:16px;
      padding:12px;
      text-align:center;
      font-weight:950;
    }
    .timeline-item h3{margin:0 0 6px;font-size:18px;font-weight:950}
    .timeline-item p{margin:0;color:var(--muted);font-size:14px}
    .faq-grid{
      display:grid;
      grid-template-columns:1fr 1fr;
      gap:16px;
    }
    .faq-card{
      border:1px solid var(--line);
      border-radius:24px;
      background:rgba(255,255,255,.055);
      padding:22px;
    }
    .faq-card h3{
      margin:0 0 10px;
      font-size:18px;
      font-weight:950;
    }
    .faq-card p{
      margin:0;
      color:var(--muted);
      font-size:15px;
    }
    .cta-section{
      padding-bottom:96px;
    }
    .trial-wrap{
      border:1px solid rgba(52,211,153,.22);
      border-radius:var(--radius-xl);
      background:
        radial-gradient(circle at 12% 18%, rgba(52,211,153,.22), transparent 34%),
        radial-gradient(circle at 92% 24%, rgba(96,165,250,.18), transparent 32%),
        linear-gradient(180deg, rgba(255,255,255,.08), rgba(255,255,255,.04));
      box-shadow:var(--shadow);
      overflow:hidden;
    }
    .trial-grid{
      display:grid;
      grid-template-columns:1fr .95fr;
      gap:0;
    }
    .trial-info{
      padding:34px;
    }
    .benefit-grid{
      display:grid;
      grid-template-columns:repeat(3,1fr);
      gap:12px;
      margin-top:24px;
    }
    .benefit{
      padding:16px;
      border-radius:18px;
      background:rgba(7,11,20,.45);
      border:1px solid rgba(255,255,255,.1);
    }
    .benefit strong{display:block;font-size:18px;margin-bottom:6px}
    .benefit span{color:var(--muted);font-size:13px}
    .price-line{
      display:flex;
      flex-wrap:wrap;
      gap:12px;
      margin-top:22px;
    }
    .price-pill{
      border:1px solid rgba(255,255,255,.13);
      border-radius:999px;
      padding:9px 13px;
      background:rgba(255,255,255,.055);
      color:#dce4f2;
      font-weight:850;
      font-size:13px;
    }
    .trial-form{
      padding:34px;
      background:rgba(7,10,18,.62);
      border-left:1px solid rgba(255,255,255,.1);
    }
    .form-grid{
      display:grid;
      gap:14px;
    }
    .form-row{
      display:grid;
      grid-template-columns:1fr 1fr;
      gap:12px;
    }
    .form-note{
      color:var(--muted);
      font-size:13px;
      margin:12px 0 0;
    }
    .form-message{
      display:none;
      margin-top:12px;
      padding:12px 14px;
      border-radius:14px;
      background:rgba(52,211,153,.12);
      border:1px solid rgba(52,211,153,.25);
      color:#c7f9dc;
      font-weight:850;
      font-size:14px;
    }
    .site-footer{
      border-top:1px solid var(--line);
      background:rgba(4,7,13,.72);
      padding:44px 0 26px;
    }
    .footer-grid{
      display:grid;
      grid-template-columns:1.2fr .8fr .8fr;
      gap:28px;
      align-items:start;
    }
    .footer-brand{
      display:flex;
      align-items:center;
      gap:12px;
      font-weight:950;
      margin-bottom:14px;
    }
    .footer-brand .brand-mark{width:38px;height:38px;border-radius:14px}
    .footer-title{
      margin:0 0 12px;
      font-size:15px;
      font-weight:950;
      color:#eef3fb;
    }
    .footer-links{
      display:grid;
      gap:9px;
      color:var(--muted);
      font-size:14px;
    }
    .footer-links a:hover{color:var(--primary);padding-left:3px}
    .footer-bottom{
      margin-top:32px;
      padding-top:20px;
      border-top:1px solid rgba(255,255,255,.09);
      display:flex;
      justify-content:space-between;
      gap:18px;
      color:var(--weak);
      font-size:13px;
      flex-wrap:wrap;
    }
    @media (max-width:1024px){
      .site-container{width:min(100% - 32px,var(--container))}
      .nav-actions{min-width:auto}
      .nav-search{display:none}
      .hero-grid,.feature-layout,.stage-grid,.testimonial-wrap,.news-layout,.trial-grid{grid-template-columns:1fr}
      .reward-panel{min-height:auto}
      .side-panel,.recommend{position:relative;top:auto}
      .guide-grid{grid-template-columns:repeat(2,1fr)}
      .security-wrap{grid-template-columns:1fr}
      .benefit-grid{grid-template-columns:repeat(3,1fr)}
    }
    @media (max-width:768px){
      .nav-shell{min-height:68px;flex-wrap:wrap;padding:12px 0}
      .brand-text strong{font-size:14px}
      .brand-text span{display:none}
      .nav-toggle{display:inline-grid;place-items:center}
      .nav-main,.nav-actions{
        display:none;
        width:100%;
        flex:0 0 100%;
        justify-content:flex-start;
      }
      .site-header.nav-open .nav-main,
      .site-header.nav-open .nav-actions{
        display:flex;
      }
      .nav-main{
        order:3;
        overflow-x:auto;
        padding:8px 0;
      }
      .nav-actions{
        order:4;
        flex-wrap:wrap;
        padding-bottom:8px;
      }
      .nav-search{display:block;width:100%}
      .nav-small-btn,.nav-cta{flex:1;justify-content:center}
      .invite-stage{padding:22px;border-radius:26px}
      .hero{padding-top:28px}
      .hero-metrics{grid-template-columns:1fr}
      .section{padding:64px 0}
      .section-head{display:block}
      .feature-grid,.faq-grid{grid-template-columns:1fr}
      .guide-grid{grid-template-columns:1fr}
      .news-item{grid-template-columns:1fr auto;gap:8px 14px}
      .news-date{grid-column:1 / 2}
      .news-item a{grid-column:1 / 2}
      .news-item p{grid-column:1 / 3;margin:0}
      .news-arrow{grid-column:2 / 3;grid-row:1 / 3;align-self:center}
      .timeline-item{grid-template-columns:1fr}
      .benefit-grid{grid-template-columns:1fr}
      .trial-info,.trial-form{padding:24px}
      .trial-form{border-left:0;border-top:1px solid rgba(255,255,255,.1)}
      .form-row{grid-template-columns:1fr}
      .footer-grid{grid-template-columns:1fr}
    }
    @media (max-width:520px){
      .site-container{width:min(100% - 24px,var(--container))}
      .hero h1{font-size:38px;letter-spacing:-.045em}
      .hero-intro{font-size:16px}
      .btn{width:100%}
      .reward-top{display:block}
      .reward-chip{margin-top:12px;display:inline-flex}
      .ui-row{grid-template-columns:64px 1fr}
      .ui-thumb{width:64px;height:46px}
      .ui-tag{grid-column:1 / 3;width:max-content}
      .footer-bottom{display:block}
      .footer-bottom span{display:block;margin-top:8px}
    }