/* roulang page: index */
:root{
      --bg-main:#080608;
      --bg-panel:#121017;
      --bg-panel-2:#18121f;
      --bg-panel-3:#211827;
      --gold:#d6aa52;
      --gold-2:#f1d38b;
      --rose:#b94b6a;
      --violet:#6c4bd8;
      --green:#76b982;
      --text-main:#f7f0e6;
      --text-muted:#b8a99b;
      --text-soft:#d8cbbd;
      --line:rgba(214,170,82,.28);
      --line-soft:rgba(247,240,230,.10);
      --shadow:0 24px 80px rgba(0,0,0,.48);
      --shadow-soft:0 14px 40px rgba(0,0,0,.28);
      --radius-xl:28px;
      --radius-lg:22px;
      --radius-md:16px;
      --radius-sm:12px;
      --container:1200px;
    }
    *{box-sizing:border-box}
    html{scroll-behavior:smooth}
    body{
      margin:0;
      font-family:system-ui,-apple-system,BlinkMacSystemFont,"PingFang SC","Microsoft YaHei","Noto Sans SC",sans-serif;
      color:var(--text-main);
      background:
        radial-gradient(circle at 18% 8%, rgba(108,75,216,.20), transparent 30%),
        radial-gradient(circle at 82% 18%, rgba(185,75,106,.18), transparent 34%),
        radial-gradient(circle at 50% 78%, rgba(214,170,82,.10), transparent 36%),
        var(--bg-main);
      line-height:1.75;
      overflow-x:hidden;
    }
    body:before{
      content:"";
      position:fixed;
      inset:0;
      pointer-events:none;
      opacity:.28;
      z-index:-1;
      background-image:
        linear-gradient(rgba(255,255,255,.025) 1px, transparent 1px),
        linear-gradient(90deg, rgba(255,255,255,.018) 1px, transparent 1px);
      background-size:34px 34px;
      mask-image:linear-gradient(to bottom, #000, transparent 88%);
    }
    a{color:inherit;text-decoration:none}
    img{max-width:100%;display:block}
    button,input,select,textarea{font:inherit}
    button{cursor:pointer}
    ::selection{background:rgba(214,170,82,.35);color:#fff}
    .container{
      width:min(var(--container), calc(100% - 48px));
      margin:0 auto;
    }
    .site-header{
      position:sticky;
      top:0;
      z-index:50;
      backdrop-filter:blur(18px);
      background:rgba(8,6,8,.86);
      border-bottom:1px solid var(--line-soft);
    }
    .nav-shell{
      min-height:78px;
      display:grid;
      grid-template-columns:auto 1fr auto;
      align-items:center;
      gap:22px;
    }
    .brand{
      display:flex;
      align-items:center;
      gap:12px;
      min-width:max-content;
    }
    .brand-mark{
      width:42px;
      height:42px;
      border-radius:14px;
      display:grid;
      place-items:center;
      color:#1a1109;
      font-weight:900;
      background:linear-gradient(135deg,var(--gold-2),var(--gold) 48%,#8a6330);
      box-shadow:0 10px 24px rgba(214,170,82,.18), inset 0 1px 0 rgba(255,255,255,.35);
    }
    .brand-text{
      display:flex;
      flex-direction:column;
      line-height:1.18;
    }
    .brand-name{font-weight:800;letter-spacing:.02em;font-size:16px}
    .brand-sub{font-size:12px;color:var(--text-muted)}
    .seg-nav{
      justify-self:center;
      display:flex;
      align-items:center;
      gap:8px;
      padding:7px;
      border:1px solid var(--line-soft);
      border-radius:999px;
      background:rgba(18,16,23,.72);
      overflow:auto;
      scrollbar-width:none;
      max-width:100%;
    }
    .seg-nav::-webkit-scrollbar{display:none}
    .seg-link{
      min-height:40px;
      padding:9px 16px;
      display:inline-flex;
      align-items:center;
      justify-content:center;
      border-radius:999px;
      color:var(--text-soft);
      border:1px solid transparent;
      white-space:nowrap;
      transition:.22s ease;
      font-size:14px;
      font-weight:650;
    }
    .seg-link:hover{
      color:var(--text-main);
      background:rgba(255,255,255,.045);
      border-color:rgba(214,170,82,.34);
    }
    .seg-link.active{
      color:#fff4da;
      border-color:rgba(214,170,82,.58);
      background:linear-gradient(135deg,rgba(108,75,216,.38),rgba(214,170,82,.16));
      box-shadow:inset 0 0 0 1px rgba(255,255,255,.04);
    }
    .header-cta{
      display:inline-flex;
      align-items:center;
      justify-content:center;
      min-height:42px;
      padding:10px 18px;
      border-radius:999px;
      font-weight:800;
      color:#160f08;
      background:linear-gradient(135deg,var(--gold-2),var(--gold));
      box-shadow:0 12px 26px rgba(214,170,82,.18);
      transition:.22s ease;
      border:0;
      white-space:nowrap;
    }
    .header-cta:hover{transform:translateY(-2px);filter:brightness(1.06)}
    .header-cta:active{transform:translateY(0)}
    .btn{
      display:inline-flex;
      align-items:center;
      justify-content:center;
      gap:8px;
      min-height:46px;
      padding:12px 20px;
      border-radius:999px;
      border:1px solid transparent;
      font-weight:800;
      transition:.22s ease;
      user-select:none;
    }
    .btn-primary{
      background:linear-gradient(135deg,var(--gold-2),var(--gold));
      color:#15100b;
      box-shadow:0 16px 36px rgba(214,170,82,.18);
    }
    .btn-primary:hover{transform:translateY(-2px);filter:brightness(1.06)}
    .btn-secondary{
      color:var(--text-main);
      background:rgba(18,16,23,.75);
      border-color:var(--line);
    }
    .btn-secondary:hover{border-color:rgba(214,170,82,.62);background:rgba(214,170,82,.08)}
    .btn-ghost{
      color:var(--gold-2);
      border-color:rgba(214,170,82,.28);
      background:rgba(214,170,82,.06);
    }
    .btn-ghost:hover{background:rgba(214,170,82,.12);transform:translateY(-1px)}
    .btn:focus-visible,.seg-link:focus-visible,.header-cta:focus-visible,input:focus-visible,select:focus-visible,textarea:focus-visible{
      outline:3px solid rgba(214,170,82,.38);
      outline-offset:3px;
    }
    .section{
      padding:76px 0;
      position:relative;
    }
    .section-tight{padding:54px 0}
    .section-head{
      max-width:760px;
      margin-bottom:28px;
    }
    .eyebrow{
      display:inline-flex;
      align-items:center;
      gap:8px;
      border:1px solid var(--line);
      color:var(--gold-2);
      background:rgba(214,170,82,.07);
      border-radius:999px;
      padding:7px 12px;
      font-size:13px;
      font-weight:750;
      margin-bottom:14px;
    }
    .eyebrow:before{
      content:"";
      width:8px;height:8px;border-radius:999px;
      background:var(--gold);
      box-shadow:0 0 0 5px rgba(214,170,82,.12);
    }
    h1,h2,h3,p{margin:0}
    h1{
      font-size:clamp(32px,5vw,58px);
      line-height:1.12;
      letter-spacing:-.045em;
      font-weight:900;
    }
    h2{
      font-size:clamp(25px,3.2vw,38px);
      line-height:1.18;
      letter-spacing:-.03em;
      font-weight:880;
    }
    h3{
      font-size:20px;
      line-height:1.35;
      font-weight:820;
    }
    .lead{
      margin-top:18px;
      color:var(--text-soft);
      font-size:17px;
      line-height:1.9;
    }
    .muted{color:var(--text-muted)}
    .hero{
      padding:34px 0 78px;
    }
    .flash-bar{
      margin:22px auto 24px;
      display:flex;
      align-items:center;
      justify-content:space-between;
      gap:18px;
      padding:14px 18px;
      border-radius:22px;
      background:linear-gradient(90deg,rgba(214,170,82,.16),rgba(108,75,216,.13),rgba(185,75,106,.12));
      border:1px solid rgba(214,170,82,.32);
      box-shadow:var(--shadow-soft);
    }
    .flash-left{
      display:flex;
      align-items:center;
      gap:12px;
      flex-wrap:wrap;
      color:#fff0d1;
      font-weight:760;
    }
    .countdown{
      display:flex;
      gap:8px;
      align-items:center;
    }
    .time-box{
      min-width:42px;
      height:34px;
      border-radius:10px;
      display:grid;
      place-items:center;
      color:#190f07;
      background:linear-gradient(135deg,var(--gold-2),var(--gold));
      font-weight:900;
      box-shadow:inset 0 1px 0 rgba(255,255,255,.28);
    }
    .hero-stage{
      position:relative;
      overflow:hidden;
      border-radius:34px;
      min-height:560px;
      padding:34px;
      background:
        linear-gradient(135deg,rgba(18,16,23,.95),rgba(24,18,31,.78)),
        radial-gradient(circle at 72% 28%, rgba(214,170,82,.18), transparent 34%);
      border:1px solid rgba(214,170,82,.30);
      box-shadow:var(--shadow);
    }
    .hero-stage:after{
      content:"";
      position:absolute;
      inset:1px;
      border-radius:33px;
      pointer-events:none;
      background:linear-gradient(135deg,rgba(255,255,255,.08),transparent 36%,rgba(214,170,82,.08));
      mask:linear-gradient(#000,transparent 70%);
    }
    .hero-grid{
      position:relative;
      z-index:2;
      display:grid;
      grid-template-columns:1.05fr .95fr;
      gap:34px;
      align-items:stretch;
    }
    .hero-copy{
      display:flex;
      flex-direction:column;
      justify-content:center;
      padding:26px 0;
    }
    .hero-actions{
      display:flex;
      align-items:center;
      gap:12px;
      flex-wrap:wrap;
      margin-top:26px;
    }
    .hero-points{
      display:grid;
      grid-template-columns:repeat(3,1fr);
      gap:12px;
      margin-top:26px;
    }
    .point{
      padding:13px 14px;
      border-radius:16px;
      border:1px solid var(--line-soft);
      background:rgba(8,6,8,.35);
    }
    .point b{
      display:block;
      color:var(--gold-2);
      font-size:18px;
      line-height:1.2;
    }
    .point span{font-size:12px;color:var(--text-muted)}
    .product-card{
      align-self:center;
      position:relative;
      border-radius:30px;
      padding:24px;
      min-height:470px;
      background:
        radial-gradient(circle at 35% 15%,rgba(214,170,82,.28),transparent 28%),
        radial-gradient(circle at 82% 66%,rgba(108,75,216,.22),transparent 34%),
        linear-gradient(160deg,#1f1728,#0f0d12);
      border:1px solid rgba(214,170,82,.34);
      box-shadow:0 26px 70px rgba(0,0,0,.45);
      overflow:hidden;
    }
    .product-card:before{
      content:"";
      position:absolute;
      width:220px;height:220px;
      border-radius:999px;
      border:1px solid rgba(214,170,82,.18);
      right:-64px;top:-64px;
    }
    .product-top{
      display:flex;
      justify-content:space-between;
      align-items:flex-start;
      gap:14px;
      position:relative;
      z-index:1;
    }
    .badge{
      display:inline-flex;
      align-items:center;
      border-radius:999px;
      padding:6px 11px;
      border:1px solid rgba(214,170,82,.34);
      color:var(--gold-2);
      background:rgba(214,170,82,.08);
      font-size:12px;
      font-weight:780;
    }
    .seal{
      width:72px;height:72px;
      border-radius:22px;
      display:grid;
      place-items:center;
      text-align:center;
      color:#1a1108;
      font-weight:900;
      line-height:1.1;
      background:linear-gradient(135deg,var(--gold-2),var(--gold));
      transform:rotate(7deg);
      box-shadow:0 18px 36px rgba(214,170,82,.2);
    }
    .product-main{
      position:relative;
      z-index:1;
      margin-top:58px;
    }
    .product-main h3{
      font-size:28px;
      letter-spacing:-.03em;
    }
    .price-row{
      display:flex;
      align-items:flex-end;
      gap:12px;
      margin:18px 0 18px;
    }
    .price{
      font-size:44px;
      line-height:1;
      font-weight:950;
      color:var(--gold-2);
      letter-spacing:-.04em;
    }
    .price-note{
      color:var(--text-muted);
      font-size:13px;
      padding-bottom:5px;
    }
    .matrix{
      display:grid;
      grid-template-columns:repeat(2,1fr);
      gap:10px;
      margin-top:20px;
    }
    .matrix-item{
      min-height:82px;
      padding:13px;
      border-radius:16px;
      background:rgba(8,6,8,.42);
      border:1px solid var(--line-soft);
    }
    .matrix-item strong{display:block;color:#fff3d7}
    .matrix-item span{font-size:13px;color:var(--text-muted)}
    .hero-card-actions{display:flex;gap:10px;flex-wrap:wrap;margin-top:24px}
    .triple-grid{
      display:grid;
      grid-template-columns:1.1fr .9fr 1fr;
      gap:18px;
      align-items:stretch;
    }
    .feature-card,.panel-card,.info-card,.quote-card,.news-card,.form-card,.privacy-card,.faq-item{
      background:linear-gradient(180deg,rgba(24,18,31,.88),rgba(18,16,23,.88));
      border:1px solid var(--line-soft);
      border-radius:var(--radius-lg);
      box-shadow:var(--shadow-soft);
      transition:.24s ease;
      position:relative;
      overflow:hidden;
    }
    .feature-card:hover,.panel-card:hover,.info-card:hover,.quote-card:hover,.news-card:hover{
      transform:translateY(-2px);
      border-color:rgba(214,170,82,.45);
    }
    .feature-card{
      padding:24px;
      min-height:230px;
    }
    .feature-card.large{
      background:
        radial-gradient(circle at 82% 0%,rgba(214,170,82,.18),transparent 30%),
        linear-gradient(180deg,rgba(33,24,39,.95),rgba(18,16,23,.9));
    }
    .icon-geo{
      width:42px;height:42px;border-radius:14px;
      display:grid;place-items:center;
      color:var(--gold-2);
      background:rgba(214,170,82,.08);
      border:1px solid rgba(214,170,82,.24);
      margin-bottom:16px;
      font-weight:900;
    }
    .feature-card p{margin-top:10px;color:var(--text-muted)}
    .mini-list{margin:16px 0 0;padding:0;list-style:none;display:grid;gap:10px}
    .mini-list li{
      display:flex;gap:10px;align-items:flex-start;color:var(--text-soft);font-size:14px;
    }
    .mini-list li:before{
      content:"";
      flex:0 0 8px;width:8px;height:8px;margin-top:9px;border-radius:99px;background:var(--gold);
    }
    .demo-wrap{
      display:grid;
      grid-template-columns:.92fr 1.08fr;
      gap:22px;
      align-items:stretch;
    }
    .step-panel{
      display:grid;
      gap:13px;
    }
    .step{
      padding:18px;
      border-radius:18px;
      background:rgba(8,6,8,.35);
      border:1px solid var(--line-soft);
      display:grid;
      grid-template-columns:44px 1fr auto;
      gap:14px;
      align-items:center;
    }
    .step-num{
      width:44px;height:44px;border-radius:14px;
      display:grid;place-items:center;
      font-weight:900;color:#1b1208;
      background:linear-gradient(135deg,var(--gold-2),var(--gold));
    }
    .status-dot{
      width:10px;height:10px;border-radius:999px;background:var(--green);box-shadow:0 0 0 6px rgba(118,185,130,.12)
    }
    .panel-card{padding:24px}
    .entry-matrix{
      display:grid;
      grid-template-columns:repeat(4,1fr);
      gap:14px;
    }
    .entry{
      padding:18px;
      min-height:144px;
      border-radius:20px;
      border:1px solid var(--line-soft);
      background:rgba(18,16,23,.72);
      transition:.22s ease;
    }
    .entry:hover{border-color:rgba(214,170,82,.46);background:rgba(214,170,82,.06);transform:translateY(-2px)}
    .entry .badge{margin-bottom:12px}
    .stats-band{
      padding:28px;
      border-radius:var(--radius-xl);
      background:
        linear-gradient(90deg,rgba(214,170,82,.12),rgba(108,75,216,.12)),
        rgba(18,16,23,.92);
      border:1px solid rgba(214,170,82,.28);
      box-shadow:var(--shadow-soft);
    }
    .stats-grid{
      display:grid;
      grid-template-columns:repeat(4,1fr);
      gap:18px;
    }
    .stat{
      padding:18px;
      border-radius:18px;
      background:rgba(8,6,8,.34);
      border:1px solid var(--line-soft);
    }
    .stat strong{
      display:block;
      font-size:34px;
      color:var(--gold-2);
      line-height:1.05;
      letter-spacing:-.04em;
      margin-bottom:8px;
    }
    .bar{
      height:7px;border-radius:999px;background:rgba(255,255,255,.08);overflow:hidden;margin-top:14px;
    }
    .bar span{
      display:block;height:100%;border-radius:999px;background:linear-gradient(90deg,var(--gold),var(--violet));
    }
    .quotes-grid{
      display:grid;
      grid-template-columns:1.1fr .9fr;
      gap:18px;
    }
    .quote-card{padding:24px}
    .quote-card blockquote{margin:0;color:var(--text-soft);font-size:16px}
    .quote-author{margin-top:16px;color:var(--gold-2);font-weight:800}
    .calendar{
      display:grid;
      gap:12px;
      margin-top:4px;
    }
    .calendar-row{
      display:grid;
      grid-template-columns:86px 1fr;
      gap:14px;
      align-items:center;
      padding:14px;
      border-radius:16px;
      background:rgba(8,6,8,.36);
      border:1px solid var(--line-soft);
    }
    .date-pill{
      text-align:center;
      border-radius:14px;
      padding:8px;
      background:rgba(214,170,82,.08);
      color:var(--gold-2);
      border:1px solid rgba(214,170,82,.20);
      font-weight:850;
    }
    .news-layout{
      display:grid;
      grid-template-columns:1.15fr .85fr;
      gap:20px;
    }
    .news-list{
      display:grid;
      gap:12px;
    }
    .news-link{
      display:grid;
      grid-template-columns:auto 1fr auto;
      gap:12px;
      align-items:center;
      padding:16px 18px;
      border-radius:18px;
      border:1px solid var(--line-soft);
      background:rgba(18,16,23,.72);
      transition:.22s ease;
    }
    .news-link:hover{border-color:rgba(214,170,82,.44);background:rgba(214,170,82,.06)}
    .news-link time{color:var(--gold-2);font-weight:800;font-size:13px}
    .news-link span{color:var(--text-muted);font-size:13px}
    .recommend-card{
      padding:24px;
      border-radius:var(--radius-lg);
      background:
        radial-gradient(circle at 20% 10%,rgba(185,75,106,.15),transparent 32%),
        rgba(18,16,23,.88);
      border:1px solid rgba(214,170,82,.22);
    }
    .form-section-grid{
      display:grid;
      grid-template-columns:.9fr 1.1fr;
      gap:22px;
      align-items:stretch;
    }
    .form-card{padding:26px}
    .inline-form{
      display:grid;
      grid-template-columns:1fr 1fr;
      gap:14px;
      margin-top:20px;
    }
    .field{display:grid;gap:8px}
    .field.full{grid-column:1/-1}
    label{font-size:14px;color:#eadcc9;font-weight:750}
    input,select,textarea{
      width:100%;
      color:var(--text-main);
      background:rgba(8,6,8,.62);
      border:1px solid var(--line-soft);
      border-radius:14px;
      padding:12px 13px;
      min-height:46px;
      transition:.2s ease;
    }
    textarea{min-height:108px;resize:vertical}
    input::placeholder,textarea::placeholder{color:rgba(184,169,155,.65)}
    input:focus,select:focus,textarea:focus{
      outline:none;
      border-color:rgba(214,170,82,.62);
      box-shadow:0 0 0 4px rgba(214,170,82,.12);
    }
    .check-row{
      display:flex;
      gap:10px;
      align-items:flex-start;
      color:var(--text-muted);
      font-size:14px;
      grid-column:1/-1;
    }
    .check-row input{
      width:18px;height:18px;min-height:18px;margin-top:4px;accent-color:var(--gold);
    }
    .form-note{
      margin-top:12px;
      color:var(--text-muted);
      font-size:13px;
    }
    .privacy-grid{
      display:grid;
      grid-template-columns:.82fr 1.18fr;
      gap:20px;
    }
    .privacy-card{padding:26px}
    .shield{
      width:58px;height:58px;border-radius:20px;
      display:grid;place-items:center;
      background:rgba(214,170,82,.09);
      border:1px solid rgba(214,170,82,.30);
      color:var(--gold-2);
      font-size:26px;
      margin-bottom:18px;
    }
    .privacy-tags{display:flex;gap:9px;flex-wrap:wrap;margin-top:18px}
    .faq-wrap{
      display:grid;
      grid-template-columns:.82fr 1.18fr;
      gap:22px;
      align-items:start;
    }
    .faq-list{display:grid;gap:12px}
    .faq-item{border-radius:18px}
    .faq-question{
      width:100%;
      min-height:54px;
      padding:17px 18px;
      display:flex;
      justify-content:space-between;
      align-items:center;
      color:var(--text-main);
      background:transparent;
      border:0;
      text-align:left;
      font-weight:820;
    }
    .faq-question span:last-child{transition:.25s ease;color:var(--gold-2)}
    .faq-answer{
      max-height:0;
      overflow:hidden;
      transition:max-height .28s ease;
      color:var(--text-muted);
      padding:0 18px;
    }
    .faq-item.open{
      border-color:rgba(214,170,82,.45);
      background:linear-gradient(180deg,rgba(33,24,39,.92),rgba(18,16,23,.92));
    }
    .faq-item.open .faq-question span:last-child{transform:rotate(45deg)}
    .faq-item.open .faq-answer{
      max-height:220px;
      padding:0 18px 18px;
    }
    .cta-band{
      display:flex;
      justify-content:space-between;
      align-items:center;
      gap:22px;
      padding:28px;
      border-radius:var(--radius-xl);
      background:
        radial-gradient(circle at 82% 16%,rgba(214,170,82,.18),transparent 30%),
        linear-gradient(135deg,rgba(33,24,39,.94),rgba(12,10,14,.95));
      border:1px solid rgba(214,170,82,.34);
      box-shadow:var(--shadow-soft);
    }
    .site-footer{
      padding:44px 0 28px;
      border-top:1px solid rgba(214,170,82,.24);
      background:rgba(8,6,8,.66);
    }
    .footer-grid{
      display:grid;
      grid-template-columns:1.1fr .9fr;
      gap:28px;
      align-items:start;
    }
    .footer-links{
      display:flex;
      flex-wrap:wrap;
      gap:10px;
      justify-content:flex-end;
    }
    .footer-chip{
      padding:9px 13px;
      border-radius:999px;
      border:1px solid var(--line-soft);
      color:var(--text-soft);
      transition:.22s ease;
    }
    .footer-chip:hover{border-color:rgba(214,170,82,.42);color:var(--gold-2)}
    .copyright{
      margin-top:24px;
      padding-top:20px;
      border-top:1px solid var(--line-soft);
      color:rgba(184,169,155,.78);
      font-size:13px;
      display:flex;
      justify-content:space-between;
      gap:14px;
      flex-wrap:wrap;
    }
    .modal{
      position:fixed;
      inset:0;
      z-index:100;
      display:none;
      align-items:center;
      justify-content:center;
      padding:24px;
      background:rgba(0,0,0,.72);
    }
    .modal.open{display:flex}
    .modal-card{
      width:min(640px,100%);
      border-radius:26px;
      border:1px solid rgba(214,170,82,.32);
      background:linear-gradient(180deg,#18121f,#0f0d12);
      box-shadow:0 40px 120px rgba(0,0,0,.62);
      padding:24px;
      transform:translateY(10px);
      animation:modalIn .22s ease forwards;
    }
    @keyframes modalIn{to{transform:translateY(0)}}
    .modal-head{
      display:flex;
      justify-content:space-between;
      align-items:flex-start;
      gap:16px;
      margin-bottom:16px;
    }
    .close-btn{
      width:42px;height:42px;border-radius:14px;
      border:1px solid var(--line-soft);
      background:rgba(8,6,8,.52);
      color:var(--text-main);
      transition:.2s ease;
    }
    .close-btn:hover{border-color:rgba(214,170,82,.45);color:var(--gold-2)}
    .error-text{display:none;color:#e1849b;font-size:13px;margin-top:8px}
    .success-text{display:none;color:#bfe3c4;font-size:14px;margin-top:12px}
    .has-error input,.has-error select,.has-error textarea{border-color:rgba(185,75,106,.78)}
    .has-error .error-text{display:block}
    button:disabled{
      opacity:.46;
      cursor:not-allowed;
      transform:none!important;
      filter:none!important;
    }
    @media (max-width:1024px){
      .container{width:min(var(--container), calc(100% - 36px))}
      .nav-shell{grid-template-columns:1fr auto;gap:14px;padding:12px 0}
      .seg-nav{grid-column:1/-1;justify-self:stretch;justify-content:flex-start;border-radius:18px}
      .hero-grid,.demo-wrap,.form-section-grid,.privacy-grid,.faq-wrap,.news-layout,.quotes-grid{grid-template-columns:1fr}
      .hero-stage{min-height:auto}
      .entry-matrix,.stats-grid{grid-template-columns:repeat(2,1fr)}
      .triple-grid{grid-template-columns:1fr 1fr}
      .feature-card.large{grid-column:1/-1}
    }
    @media (max-width:768px){
      .container{width:min(var(--container), calc(100% - 28px))}
      .section{padding:56px 0}
      .hero{padding:20px 0 54px}
      .hero-stage{padding:22px;border-radius:26px}
      .flash-bar{align-items:flex-start;flex-direction:column}
      .hero-points{grid-template-columns:1fr}
      .product-card{min-height:auto;border-radius:24px}
      .matrix,.inline-form,.triple-grid{grid-template-columns:1fr}
      .entry-matrix,.stats-grid{grid-template-columns:1fr}
      .step{grid-template-columns:42px 1fr}
      .status-dot{display:none}
      .news-link{grid-template-columns:1fr}
      .cta-band{flex-direction:column;align-items:flex-start}
      .footer-grid{grid-template-columns:1fr}
      .footer-links{justify-content:flex-start}
      .modal{align-items:flex-end;padding:0}
      .modal-card{border-radius:26px 26px 0 0;max-height:92vh;overflow:auto}
    }
    @media (max-width:520px){
      .brand-name{font-size:14px}
      .brand-sub{display:none}
      .header-cta{padding:9px 12px;font-size:13px}
      .hero-actions,.hero-card-actions{display:grid;grid-template-columns:1fr;width:100%}
      .btn{width:100%}
      .product-top{flex-direction:column}
      .price{font-size:38px}
      .calendar-row{grid-template-columns:1fr}
      .copyright{display:block}
      .copyright span{display:block;margin-top:8px}
    }

/* roulang page: category1 */
:root {
      --bg-main: #080608;
      --bg-panel: #121017;
      --bg-panel-2: #18121f;
      --bg-panel-3: #211725;
      --gold: #d6aa52;
      --gold-soft: rgba(214, 170, 82, .16);
      --rose: #b94b6a;
      --rose-soft: rgba(185, 75, 106, .16);
      --violet: #6c4bd8;
      --violet-soft: rgba(108, 75, 216, .18);
      --text-main: #f7f0e6;
      --text-muted: #b8a99b;
      --text-dim: #8d7f74;
      --line: rgba(214, 170, 82, .28);
      --line-soft: rgba(247, 240, 230, .08);
      --success: #88c79a;
      --danger: #d05b7a;
      --shadow: 0 24px 80px rgba(0, 0, 0, .38);
      --shadow-gold: 0 18px 42px rgba(214, 170, 82, .12);
      --radius-xl: 28px;
      --radius-lg: 22px;
      --radius-md: 16px;
      --radius-sm: 12px;
      --container: 1200px;
      --ease: cubic-bezier(.2, .8, .2, 1);
    }

    * {
      box-sizing: border-box;
    }

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

    body {
      margin: 0;
      min-height: 100vh;
      color: var(--text-main);
      font-family: system-ui, -apple-system, BlinkMacSystemFont, "PingFang SC", "Microsoft YaHei", "Noto Sans SC", sans-serif;
      line-height: 1.8;
      background:
        radial-gradient(circle at 18% 10%, rgba(108, 75, 216, .24), transparent 28%),
        radial-gradient(circle at 84% 8%, rgba(185, 75, 106, .18), transparent 30%),
        radial-gradient(circle at 50% 95%, rgba(214, 170, 82, .08), transparent 34%),
        linear-gradient(180deg, #080608 0%, #0d090f 46%, #080608 100%);
      overflow-x: hidden;
    }

    body::before {
      content: "";
      position: fixed;
      inset: 0;
      pointer-events: none;
      z-index: -1;
      opacity: .33;
      background-image:
        linear-gradient(rgba(255,255,255,.025) 1px, transparent 1px),
        linear-gradient(90deg, rgba(255,255,255,.02) 1px, transparent 1px);
      background-size: 36px 36px;
      mask-image: radial-gradient(circle at center, black 0, transparent 78%);
    }

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

    a:hover {
      color: var(--text-main);
    }

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

    button {
      cursor: pointer;
      border: 0;
    }

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

    ::selection {
      background: rgba(214, 170, 82, .28);
      color: var(--text-main);
    }

    .container {
      width: min(100% - 48px, var(--container));
      margin-inline: auto;
    }

    .site-header {
      position: sticky;
      top: 0;
      z-index: 80;
      border-bottom: 1px solid rgba(214, 170, 82, .18);
      background: rgba(8, 6, 8, .82);
      backdrop-filter: blur(18px);
    }

    .nav-shell {
      min-height: 78px;
      display: grid;
      grid-template-columns: auto 1fr auto;
      align-items: center;
      gap: 22px;
      padding-block: 14px;
    }

    .brand {
      display: inline-flex;
      align-items: center;
      gap: 12px;
      min-width: 0;
      outline: none;
    }

    .brand:focus-visible,
    .seg-link:focus-visible,
    .header-cta:focus-visible,
    .btn:focus-visible,
    .footer-chip:focus-visible,
    .chip:focus-visible,
    .faq-question:focus-visible,
    .modal-close:focus-visible,
    input:focus-visible,
    select:focus-visible,
    textarea:focus-visible {
      outline: 2px solid rgba(214, 170, 82, .82);
      outline-offset: 3px;
    }

    .brand-mark {
      width: 44px;
      height: 44px;
      border-radius: 14px;
      display: grid;
      place-items: center;
      flex: 0 0 auto;
      color: #1a1207;
      font-weight: 900;
      letter-spacing: -.02em;
      background:
        linear-gradient(135deg, #f2d089 0%, var(--gold) 48%, #9f7432 100%);
      box-shadow: inset 0 1px 0 rgba(255,255,255,.42), 0 12px 28px rgba(214,170,82,.18);
    }

    .brand-text {
      display: grid;
      gap: 0;
      line-height: 1.25;
    }

    .brand-name {
      font-weight: 800;
      letter-spacing: -.02em;
      font-size: 17px;
      white-space: nowrap;
    }

    .brand-sub {
      color: var(--text-muted);
      font-size: 12px;
      white-space: nowrap;
    }

    .seg-nav {
      justify-self: center;
      max-width: 100%;
      display: flex;
      align-items: center;
      gap: 8px;
      padding: 6px;
      border: 1px solid rgba(247, 240, 230, .08);
      border-radius: 999px;
      background: rgba(18, 16, 23, .72);
      overflow-x: auto;
      scrollbar-width: none;
    }

    .seg-nav::-webkit-scrollbar {
      display: none;
    }

    .seg-link {
      min-height: 40px;
      display: inline-flex;
      align-items: center;
      justify-content: center;
      padding: 0 18px;
      border-radius: 999px;
      color: var(--text-muted);
      font-size: 14px;
      font-weight: 700;
      border: 1px solid transparent;
      white-space: nowrap;
      transition: color .2s var(--ease), border-color .2s var(--ease), background .2s var(--ease), transform .2s var(--ease);
    }

    .seg-link:hover {
      color: var(--text-main);
      border-color: rgba(214, 170, 82, .32);
      background: rgba(214, 170, 82, .08);
    }

    .seg-link.active {
      color: #fff6df;
      border-color: rgba(214, 170, 82, .48);
      background:
        linear-gradient(135deg, rgba(108, 75, 216, .26), rgba(214, 170, 82, .14)),
        rgba(18, 16, 23, .88);
      box-shadow: inset 0 1px 0 rgba(255,255,255,.08);
    }

    .header-cta,
    .btn-primary {
      color: #1b1207;
      font-weight: 800;
      background: linear-gradient(135deg, #f3d899 0%, var(--gold) 55%, #b98639 100%);
      border: 1px solid rgba(255, 236, 184, .45);
      box-shadow: 0 14px 32px rgba(214,170,82,.16), inset 0 1px 0 rgba(255,255,255,.36);
    }

    .header-cta {
      min-height: 44px;
      padding: 0 20px;
      border-radius: 999px;
      transition: transform .2s var(--ease), filter .2s var(--ease), box-shadow .2s var(--ease);
      white-space: nowrap;
    }

    .header-cta:hover,
    .btn-primary:hover {
      filter: brightness(1.06);
      transform: translateY(-2px);
      box-shadow: 0 18px 42px rgba(214,170,82,.22), inset 0 1px 0 rgba(255,255,255,.42);
    }

    .header-cta:active,
    .btn:active {
      transform: translateY(0);
    }

    main {
      overflow: hidden;
    }

    .section {
      padding: 86px 0;
    }

    .section-tight {
      padding: 64px 0;
    }

    .eyebrow {
      display: inline-flex;
      align-items: center;
      gap: 8px;
      padding: 7px 12px;
      border-radius: 999px;
      color: #f5dca5;
      font-size: 13px;
      font-weight: 800;
      background: rgba(214, 170, 82, .1);
      border: 1px solid rgba(214, 170, 82, .26);
    }

    .eyebrow::before {
      content: "";
      width: 8px;
      height: 8px;
      border-radius: 999px;
      background: var(--gold);
      box-shadow: 0 0 0 5px rgba(214, 170, 82, .12);
    }

    .hero {
      padding: 78px 0 72px;
    }

    .category-hero {
      display: grid;
      grid-template-columns: minmax(0, 1.04fr) minmax(360px, .96fr);
      gap: 34px;
      align-items: stretch;
    }

    .hero-copy {
      min-height: 520px;
      display: flex;
      flex-direction: column;
      justify-content: center;
      padding: 42px;
      border-radius: var(--radius-xl);
      border: 1px solid rgba(214, 170, 82, .24);
      background:
        linear-gradient(145deg, rgba(18, 16, 23, .86), rgba(8, 6, 8, .86)),
        radial-gradient(circle at 90% 10%, rgba(214,170,82,.14), transparent 36%);
      box-shadow: var(--shadow);
      position: relative;
      overflow: hidden;
    }

    .hero-copy::after {
      content: "";
      position: absolute;
      right: -70px;
      top: -70px;
      width: 220px;
      height: 220px;
      border-radius: 999px;
      border: 1px solid rgba(214,170,82,.16);
      background: rgba(214,170,82,.04);
    }

    h1,
    h2,
    h3,
    p {
      margin-top: 0;
    }

    h1 {
      margin-bottom: 20px;
      max-width: 780px;
      font-size: clamp(32px, 5vw, 56px);
      line-height: 1.12;
      letter-spacing: -.055em;
      font-weight: 900;
    }

    h2 {
      margin-bottom: 14px;
      font-size: clamp(26px, 3vw, 36px);
      line-height: 1.2;
      letter-spacing: -.04em;
      font-weight: 900;
    }

    h3 {
      margin-bottom: 10px;
      font-size: 20px;
      line-height: 1.35;
      font-weight: 850;
      letter-spacing: -.02em;
    }

    .lead {
      max-width: 760px;
      margin-bottom: 0;
      color: var(--text-muted);
      font-size: 17px;
      line-height: 1.9;
    }

    .hero-tags,
    .filter-row,
    .badge-row {
      display: flex;
      flex-wrap: wrap;
      gap: 10px;
      margin-top: 24px;
    }

    .chip {
      display: inline-flex;
      align-items: center;
      min-height: 36px;
      padding: 0 13px;
      border-radius: 999px;
      color: var(--text-muted);
      font-size: 13px;
      font-weight: 750;
      background: rgba(18, 16, 23, .72);
      border: 1px solid rgba(247, 240, 230, .09);
      transition: border-color .2s var(--ease), color .2s var(--ease), background .2s var(--ease), transform .2s var(--ease);
    }

    .chip:hover,
    .chip.active {
      color: #ffe7ae;
      border-color: rgba(214, 170, 82, .42);
      background: rgba(214, 170, 82, .1);
    }

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

    .btn {
      min-height: 48px;
      display: inline-flex;
      align-items: center;
      justify-content: center;
      gap: 10px;
      padding: 0 22px;
      border-radius: 999px;
      font-weight: 850;
      font-size: 15px;
      transition: transform .2s var(--ease), border-color .2s var(--ease), background .2s var(--ease), color .2s var(--ease), box-shadow .2s var(--ease), filter .2s var(--ease);
    }

    .btn-secondary {
      color: var(--text-main);
      background: rgba(18, 16, 23, .72);
      border: 1px solid rgba(214, 170, 82, .26);
    }

    .btn-secondary:hover {
      border-color: rgba(214, 170, 82, .56);
      background: rgba(214, 170, 82, .08);
      transform: translateY(-2px);
    }

    .btn-ghost {
      color: #f1d69a;
      background: rgba(214, 170, 82, .08);
      border: 1px solid rgba(214, 170, 82, .22);
      min-height: 40px;
      padding: 0 14px;
      font-size: 13px;
    }

    .btn-ghost:hover {
      background: rgba(214, 170, 82, .13);
      border-color: rgba(214, 170, 82, .45);
    }

    .demo-panel {
      border-radius: var(--radius-xl);
      border: 1px solid rgba(214, 170, 82, .24);
      background:
        radial-gradient(circle at 12% 0%, rgba(185, 75, 106, .18), transparent 30%),
        linear-gradient(160deg, rgba(24, 18, 31, .96), rgba(13, 9, 15, .98));
      box-shadow: var(--shadow), inset 0 1px 0 rgba(255,255,255,.06);
      padding: 24px;
      position: relative;
      overflow: hidden;
    }

    .demo-panel::before {
      content: "";
      position: absolute;
      inset: 0;
      pointer-events: none;
      border-radius: inherit;
      background: linear-gradient(90deg, transparent, rgba(214,170,82,.11), transparent);
      height: 1px;
    }

    .demo-top {
      display: flex;
      align-items: center;
      justify-content: space-between;
      gap: 16px;
      padding-bottom: 18px;
      margin-bottom: 18px;
      border-bottom: 1px solid rgba(247, 240, 230, .08);
    }

    .status-pill {
      display: inline-flex;
      align-items: center;
      gap: 8px;
      min-height: 32px;
      padding: 0 11px;
      border-radius: 999px;
      font-size: 12px;
      font-weight: 800;
      color: #d8f1df;
      background: rgba(136, 199, 154, .1);
      border: 1px solid rgba(136, 199, 154, .24);
      white-space: nowrap;
    }

    .status-pill::before {
      content: "";
      width: 7px;
      height: 7px;
      border-radius: 999px;
      background: var(--success);
    }

    .demo-title {
      color: var(--text-main);
      font-weight: 900;
      letter-spacing: -.02em;
    }

    .step-stack {
      display: grid;
      gap: 12px;
    }

    .step-card {
      display: grid;
      grid-template-columns: 42px 1fr auto;
      gap: 13px;
      align-items: center;
      padding: 16px;
      border-radius: 18px;
      background: rgba(8, 6, 8, .46);
      border: 1px solid rgba(247, 240, 230, .08);
      transition: transform .2s var(--ease), border-color .2s var(--ease), background .2s var(--ease);
    }

    .step-card:hover {
      transform: translateY(-2px);
      border-color: rgba(214, 170, 82, .32);
      background: rgba(214, 170, 82, .06);
    }

    .step-no {
      width: 42px;
      height: 42px;
      display: grid;
      place-items: center;
      border-radius: 14px;
      color: #f4d48c;
      font-weight: 900;
      background: rgba(214, 170, 82, .09);
      border: 1px solid rgba(214, 170, 82, .24);
    }

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

    .step-card span {
      display: block;
      margin-top: 2px;
      color: var(--text-muted);
      font-size: 13px;
      line-height: 1.5;
    }

    .mini-badge {
      display: inline-flex;
      align-items: center;
      justify-content: center;
      min-height: 28px;
      padding: 0 10px;
      border-radius: 999px;
      color: #f8dc9c;
      background: rgba(214, 170, 82, .1);
      border: 1px solid rgba(214, 170, 82, .22);
      font-size: 12px;
      font-weight: 850;
      white-space: nowrap;
    }

    .demo-metrics {
      margin-top: 16px;
      display: grid;
      grid-template-columns: 1fr 1fr;
      gap: 12px;
    }

    .metric-tile {
      padding: 16px;
      border-radius: 18px;
      border: 1px solid rgba(247, 240, 230, .08);
      background: rgba(18, 16, 23, .72);
    }

    .metric-tile b {
      display: block;
      color: #f3d081;
      font-size: 26px;
      line-height: 1;
      letter-spacing: -.03em;
    }

    .metric-tile span {
      margin-top: 8px;
      display: block;
      color: var(--text-muted);
      font-size: 13px;
      line-height: 1.55;
    }

    .section-head {
      display: grid;
      grid-template-columns: minmax(0, .78fr) minmax(260px, .42fr);
      align-items: end;
      gap: 32px;
      margin-bottom: 30px;
    }

    .section-head .lead {
      font-size: 15px;
    }

    .mixed-grid {
      display: grid;
      grid-template-columns: repeat(12, 1fr);
      gap: 18px;
    }

    .card {
      position: relative;
      border-radius: var(--radius-lg);
      border: 1px solid rgba(247, 240, 230, .08);
      background:
        linear-gradient(180deg, rgba(255,255,255,.025), transparent 30%),
        rgba(18, 16, 23, .82);
      box-shadow: 0 16px 38px rgba(0,0,0,.22);
      transition: transform .22s var(--ease), border-color .22s var(--ease), background .22s var(--ease), box-shadow .22s var(--ease);
      overflow: hidden;
    }

    .card::before {
      content: "";
      position: absolute;
      left: 0;
      right: 0;
      top: 0;
      height: 1px;
      background: linear-gradient(90deg, transparent, rgba(214,170,82,.42), rgba(108,75,216,.34), transparent);
      opacity: .75;
    }

    .card:hover {
      transform: translateY(-2px);
      border-color: rgba(214, 170, 82, .34);
      box-shadow: var(--shadow-gold);
    }

    .feature-main {
      grid-column: span 7;
      min-height: 380px;
      padding: 30px;
      display: flex;
      flex-direction: column;
      justify-content: space-between;
      background:
        radial-gradient(circle at 90% 10%, rgba(214, 170, 82, .14), transparent 32%),
        linear-gradient(145deg, rgba(24,18,31,.92), rgba(18,16,23,.88));
    }

    .feature-side {
      grid-column: span 5;
      display: grid;
      gap: 18px;
    }

    .compact-card {
      padding: 24px;
      min-height: 181px;
    }

    .wide-note {
      grid-column: span 12;
      display: grid;
      grid-template-columns: minmax(0, 1fr) auto;
      gap: 24px;
      align-items: center;
      padding: 26px 28px;
      background:
        linear-gradient(135deg, rgba(108,75,216,.15), rgba(214,170,82,.08)),
        rgba(18, 16, 23, .86);
    }

    .card p {
      margin-bottom: 0;
      color: var(--text-muted);
      font-size: 15px;
    }

    .bullet-list {
      display: grid;
      gap: 11px;
      margin: 22px 0 0;
      padding: 0;
      list-style: none;
    }

    .bullet-list li {
      display: flex;
      gap: 10px;
      align-items: flex-start;
      color: var(--text-muted);
      font-size: 15px;
    }

    .bullet-list li::before {
      content: "";
      width: 8px;
      height: 8px;
      margin-top: 10px;
      flex: 0 0 auto;
      border-radius: 999px;
      background: var(--gold);
      box-shadow: 0 0 0 5px rgba(214,170,82,.08);
    }

    .rights-board {
      display: grid;
      grid-template-columns: .9fr 1.1fr;
      gap: 20px;
      align-items: start;
    }

    .score-panel {
      padding: 28px;
      border-radius: var(--radius-xl);
      background:
        radial-gradient(circle at 20% 0%, rgba(214,170,82,.16), transparent 28%),
        rgba(18, 16, 23, .82);
      border: 1px solid rgba(214,170,82,.22);
      box-shadow: var(--shadow);
    }

    .score-number {
      margin: 18px 0 10px;
      color: #f0cd7b;
      font-size: clamp(44px, 7vw, 76px);
      line-height: 1;
      letter-spacing: -.07em;
      font-weight: 950;
    }

    .score-number small {
      color: var(--text-muted);
      font-size: 18px;
      letter-spacing: 0;
    }

    .bar {
      width: 100%;
      height: 9px;
      border-radius: 999px;
      overflow: hidden;
      background: rgba(247, 240, 230, .08);
      margin-top: 18px;
    }

    .bar span {
      display: block;
      height: 100%;
      border-radius: inherit;
      background: linear-gradient(90deg, var(--violet), var(--gold));
    }

    .check-table {
      border-radius: var(--radius-xl);
      overflow: hidden;
      border: 1px solid rgba(247, 240, 230, .08);
      background: rgba(18, 16, 23, .78);
    }

    .check-row {
      display: grid;
      grid-template-columns: .8fr 1fr .9fr;
      gap: 0;
      border-bottom: 1px solid rgba(247, 240, 230, .08);
    }

    .check-row:last-child {
      border-bottom: 0;
    }

    .check-row.head {
      background: rgba(214,170,82,.08);
      color: #f5dca5;
      font-weight: 900;
    }

    .check-cell {
      padding: 18px;
      min-width: 0;
      color: var(--text-muted);
      font-size: 14px;
      border-right: 1px solid rgba(247, 240, 230, .08);
    }

    .check-cell:last-child {
      border-right: 0;
    }

    .check-row:not(.head) .check-cell:first-child {
      color: var(--text-main);
      font-weight: 800;
    }

    .process-band {
      padding: 28px;
      border-radius: var(--radius-xl);
      border: 1px solid rgba(214,170,82,.22);
      background:
        linear-gradient(135deg, rgba(214,170,82,.08), rgba(108,75,216,.1)),
        rgba(18,16,23,.82);
      display: grid;
      grid-template-columns: repeat(4, 1fr);
      gap: 14px;
    }

    .process-item {
      padding: 18px;
      border-radius: 18px;
      border: 1px solid rgba(247,240,230,.08);
      background: rgba(8,6,8,.34);
    }

    .process-item b {
      display: block;
      color: #f4d48c;
      font-size: 22px;
      line-height: 1;
      margin-bottom: 12px;
    }

    .process-item strong {
      display: block;
      margin-bottom: 5px;
      font-size: 15px;
    }

    .process-item span {
      display: block;
      color: var(--text-muted);
      font-size: 13px;
      line-height: 1.6;
    }

    .cta-banner {
      position: relative;
      padding: 34px;
      border-radius: var(--radius-xl);
      border: 1px solid rgba(214,170,82,.3);
      background:
        radial-gradient(circle at 85% 0%, rgba(214,170,82,.18), transparent 34%),
        linear-gradient(135deg, rgba(108,75,216,.18), rgba(185,75,106,.08)),
        rgba(18, 16, 23, .9);
      box-shadow: var(--shadow);
      display: grid;
      grid-template-columns: 1fr auto;
      gap: 28px;
      align-items: center;
      overflow: hidden;
    }

    .cta-banner::after {
      content: "";
      position: absolute;
      right: 26px;
      bottom: -58px;
      width: 170px;
      height: 170px;
      border-radius: 999px;
      border: 1px solid rgba(214,170,82,.16);
      pointer-events: none;
    }

    .privacy-card {
      border-radius: var(--radius-xl);
      border: 1px solid rgba(214,170,82,.32);
      background:
        linear-gradient(135deg, rgba(8,6,8,.82), rgba(18,16,23,.92)),
        radial-gradient(circle at 18% 0%, rgba(214,170,82,.14), transparent 30%);
      padding: 28px;
      display: grid;
      grid-template-columns: 64px minmax(0, 1fr);
      gap: 22px;
      align-items: start;
    }

    .lock-icon {
      width: 64px;
      height: 64px;
      border-radius: 20px;
      display: grid;
      place-items: center;
      color: #1b1207;
      font-size: 30px;
      background: linear-gradient(135deg, #f4d99a, var(--gold));
      box-shadow: inset 0 1px 0 rgba(255,255,255,.42);
    }

    .privacy-grid {
      margin-top: 22px;
      display: grid;
      grid-template-columns: repeat(3, 1fr);
      gap: 12px;
    }

    .privacy-point {
      padding: 16px;
      border-radius: 16px;
      border: 1px solid rgba(247,240,230,.08);
      background: rgba(8,6,8,.38);
    }

    .privacy-point strong {
      display: block;
      margin-bottom: 4px;
      font-size: 14px;
    }

    .privacy-point span {
      color: var(--text-muted);
      font-size: 13px;
      line-height: 1.6;
    }

    .faq-wrap {
      display: grid;
      gap: 12px;
      max-width: 920px;
      margin: 30px auto 0;
    }

    .faq-item {
      border-radius: 18px;
      border: 1px solid rgba(247, 240, 230, .08);
      background: rgba(18, 16, 23, .8);
      overflow: hidden;
      transition: border-color .2s var(--ease), background .2s var(--ease);
    }

    .faq-item.open {
      border-color: rgba(214, 170, 82, .36);
      background: rgba(24, 18, 31, .92);
    }

    .faq-question {
      width: 100%;
      min-height: 58px;
      padding: 18px 20px;
      display: flex;
      align-items: center;
      justify-content: space-between;
      gap: 18px;
      color: var(--text-main);
      background: transparent;
      text-align: left;
      font-weight: 850;
    }

    .faq-arrow {
      width: 28px;
      height: 28px;
      border-radius: 999px;
      display: grid;
      place-items: center;
      flex: 0 0 auto;
      color: var(--gold);
      border: 1px solid rgba(214,170,82,.24);
      transition: transform .2s var(--ease), background .2s var(--ease);
    }

    .faq-item.open .faq-arrow {
      transform: rotate(45deg);
      background: rgba(214,170,82,.1);
    }

    .faq-answer {
      max-height: 0;
      overflow: hidden;
      transition: max-height .28s var(--ease);
    }

    .faq-answer p {
      margin: 0;
      padding: 0 20px 20px;
      color: var(--text-muted);
      font-size: 15px;
    }

    .site-footer {
      margin-top: 48px;
      padding: 48px 0 28px;
      border-top: 1px solid rgba(214,170,82,.24);
      background:
        linear-gradient(180deg, rgba(18,16,23,.74), rgba(8,6,8,.96)),
        radial-gradient(circle at 80% 0%, rgba(214,170,82,.08), transparent 26%);
    }

    .footer-grid {
      display: grid;
      grid-template-columns: minmax(0, 1fr) minmax(280px, auto);
      gap: 30px;
      align-items: start;
    }

    .muted {
      color: var(--text-muted);
    }

    .footer-links {
      display: flex;
      flex-wrap: wrap;
      justify-content: flex-end;
      gap: 10px;
    }

    .footer-chip {
      min-height: 38px;
      display: inline-flex;
      align-items: center;
      padding: 0 13px;
      border-radius: 999px;
      color: var(--text-muted);
      font-size: 13px;
      font-weight: 750;
      border: 1px solid rgba(247,240,230,.08);
      background: rgba(18,16,23,.72);
      transition: color .2s var(--ease), border-color .2s var(--ease), background .2s var(--ease);
    }

    .footer-chip:hover {
      color: #f5dca5;
      border-color: rgba(214,170,82,.35);
      background: rgba(214,170,82,.08);
    }

    .copyright {
      margin-top: 34px;
      padding-top: 20px;
      border-top: 1px solid rgba(247,240,230,.08);
      color: var(--text-dim);
      font-size: 13px;
      display: flex;
      justify-content: space-between;
      gap: 18px;
      flex-wrap: wrap;
    }

    .modal-backdrop {
      position: fixed;
      inset: 0;
      z-index: 120;
      display: none;
      align-items: center;
      justify-content: center;
      padding: 24px;
      background: rgba(0,0,0,.72);
      backdrop-filter: blur(8px);
    }

    .modal-backdrop.show {
      display: flex;
    }

    .modal {
      width: min(100%, 640px);
      max-height: min(92vh, 820px);
      overflow: auto;
      border-radius: 26px;
      border: 1px solid rgba(214,170,82,.34);
      background:
        radial-gradient(circle at 85% 0%, rgba(214,170,82,.16), transparent 32%),
        linear-gradient(160deg, #18121f, #0e0a11);
      box-shadow: 0 32px 90px rgba(0,0,0,.62);
      padding: 24px;
    }

    .modal-head {
      display: flex;
      align-items: flex-start;
      justify-content: space-between;
      gap: 18px;
      margin-bottom: 20px;
    }

    .modal-head h2 {
      font-size: 24px;
      margin-bottom: 6px;
    }

    .modal-head p {
      margin: 0;
      color: var(--text-muted);
      font-size: 14px;
    }

    .modal-close {
      width: 40px;
      height: 40px;
      display: grid;
      place-items: center;
      border-radius: 999px;
      color: var(--text-main);
      background: rgba(247,240,230,.06);
      border: 1px solid rgba(247,240,230,.1);
      transition: background .2s var(--ease), border-color .2s var(--ease);
    }

    .modal-close:hover {
      background: rgba(214,170,82,.1);
      border-color: rgba(214,170,82,.32);
    }

    .form-grid {
      display: grid;
      gap: 15px;
    }

    .field label {
      display: block;
      margin-bottom: 7px;
      color: #f4dca6;
      font-size: 13px;
      font-weight: 850;
    }

    .field input,
    .field select,
    .field textarea {
      width: 100%;
      border-radius: 14px;
      border: 1px solid rgba(247,240,230,.12);
      background: rgba(8,6,8,.58);
      color: var(--text-main);
      padding: 13px 14px;
      outline: none;
      transition: border-color .2s var(--ease), box-shadow .2s var(--ease), background .2s var(--ease);
    }

    .field textarea {
      min-height: 112px;
      resize: vertical;
    }

    .field input::placeholder,
    .field textarea::placeholder {
      color: rgba(184,169,155,.58);
    }

    .field input:focus,
    .field select:focus,
    .field textarea:focus {
      border-color: rgba(214,170,82,.58);
      box-shadow: 0 0 0 4px rgba(214,170,82,.12);
      background: rgba(8,6,8,.78);
    }

    .privacy-check {
      display: flex;
      gap: 10px;
      align-items: flex-start;
      padding: 14px;
      border-radius: 14px;
      background: rgba(214,170,82,.06);
      border: 1px solid rgba(214,170,82,.16);
      color: var(--text-muted);
      font-size: 13px;
      line-height: 1.7;
    }

    .privacy-check input {
      width: 18px;
      height: 18px;
      margin-top: 3px;
      accent-color: var(--gold);
      flex: 0 0 auto;
    }

    .form-message {
      display: none;
      padding: 12px 14px;
      border-radius: 14px;
      font-size: 14px;
      line-height: 1.6;
    }

    .form-message.error {
      display: block;
      color: #ffdce6;
      background: rgba(208,91,122,.12);
      border: 1px solid rgba(208,91,122,.34);
    }

    .form-message.success {
      display: block;
      color: #def4e4;
      background: rgba(136,199,154,.1);
      border: 1px solid rgba(136,199,154,.28);
    }

    .modal-actions {
      display: flex;
      gap: 12px;
      justify-content: flex-end;
      margin-top: 4px;
    }

    .btn[disabled] {
      opacity: .52;
      cursor: not-allowed;
      transform: none !important;
      filter: grayscale(.18);
    }

    @media (max-width: 1024px) {
      .nav-shell {
        grid-template-columns: 1fr auto;
      }

      .seg-nav {
        grid-column: 1 / -1;
        justify-self: stretch;
        justify-content: flex-start;
      }

      .category-hero,
      .rights-board {
        grid-template-columns: 1fr;
      }

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

      .feature-main,
      .feature-side,
      .wide-note {
        grid-column: span 12;
      }

      .section-head {
        grid-template-columns: 1fr;
        gap: 14px;
      }

      .process-band {
        grid-template-columns: repeat(2, 1fr);
      }
    }

    @media (max-width: 768px) {
      .container {
        width: min(100% - 32px, var(--container));
      }

      .site-header {
        position: sticky;
      }

      .nav-shell {
        min-height: auto;
        gap: 12px;
        padding-block: 12px;
      }

      .brand-mark {
        width: 40px;
        height: 40px;
      }

      .brand-name {
        font-size: 15px;
        max-width: 190px;
        overflow: hidden;
        text-overflow: ellipsis;
      }

      .brand-sub {
        font-size: 11px;
      }

      .header-cta {
        min-height: 40px;
        padding: 0 14px;
        font-size: 13px;
      }

      .seg-link {
        min-height: 38px;
        padding: 0 15px;
      }

      .hero {
        padding: 44px 0 50px;
      }

      .section {
        padding: 62px 0;
      }

      .section-tight {
        padding: 48px 0;
      }

      .hero-copy,
      .demo-panel,
      .feature-main,
      .compact-card,
      .wide-note,
      .score-panel,
      .privacy-card,
      .cta-banner {
        padding: 22px;
        border-radius: 22px;
      }

      .wide-note,
      .cta-banner {
        grid-template-columns: 1fr;
      }

      .step-card {
        grid-template-columns: 38px 1fr;
      }

      .step-card .mini-badge {
        grid-column: 2;
        justify-self: start;
      }

      .demo-metrics,
      .privacy-grid {
        grid-template-columns: 1fr;
      }

      .check-row,
      .check-row.head {
        grid-template-columns: 1fr;
      }

      .check-row.head {
        display: none;
      }

      .check-cell {
        border-right: 0;
        border-bottom: 1px solid rgba(247,240,230,.08);
        padding: 14px 16px;
      }

      .check-cell:last-child {
        border-bottom: 0;
      }

      .check-row:not(.head) {
        padding: 8px 0;
      }

      .check-row:not(.head) .check-cell:nth-child(1)::before {
        content: "关注点：";
        color: #f4d48c;
      }

      .check-row:not(.head) .check-cell:nth-child(2)::before {
        content: "建议处理：";
        color: #f4d48c;
        font-weight: 800;
      }

      .check-row:not(.head) .check-cell:nth-child(3)::before {
        content: "隐私提示：";
        color: #f4d48c;
        font-weight: 800;
      }

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

      .modal-backdrop {
        align-items: flex-end;
        padding: 0;
      }

      .modal {
        width: 100%;
        max-height: 88vh;
        border-radius: 24px 24px 0 0;
        padding: 20px;
      }

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

      .footer-links {
        justify-content: flex-start;
      }
    }

    @media (max-width: 520px) {
      h1 {
        font-size: 32px;
      }

      .lead {
        font-size: 15px;
      }

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

      .btn,
      .header-cta {
        width: 100%;
      }

      .nav-shell {
        grid-template-columns: 1fr;
      }

      .header-cta {
        justify-self: stretch;
      }

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

      .copyright {
        flex-direction: column;
        gap: 8px;
      }

      .modal-head h2 {
        font-size: 21px;
      }
    }