/* roulang page: index */
:root{
      --bg:#090A0F;
      --bg-2:#10111A;
      --panel:#151722;
      --panel-soft:rgba(255,255,255,.045);
      --panel-strong:rgba(180,60,255,.12);
      --text:#F4F6FA;
      --muted:#A7ADBD;
      --weak:#6F7688;
      --line:rgba(255,255,255,.10);
      --line-strong:rgba(0,229,255,.38);
      --primary:#B43CFF;
      --primary-2:#9B5CFF;
      --cyan:#00E5FF;
      --danger:#FF4D6D;
      --success:#38E6B0;
      --radius:22px;
      --radius-sm:14px;
      --shadow:0 18px 60px rgba(0,0,0,.38);
      --shadow-glow:0 0 0 1px rgba(0,229,255,.22),0 24px 70px rgba(0,0,0,.42);
      --container:1220px;
    }
    *{box-sizing:border-box}
    html{scroll-behavior:smooth}
    body{
      margin:0;
      min-height:100vh;
      color:var(--text);
      background:
        radial-gradient(circle at 18% 5%, rgba(180,60,255,.20), transparent 34%),
        radial-gradient(circle at 82% 18%, rgba(0,229,255,.12), transparent 32%),
        linear-gradient(180deg, #090A0F 0%, #10111A 48%, #090A0F 100%);
      font-family: PingFang SC, Microsoft YaHei, Noto Sans SC, Helvetica Neue, Arial, sans-serif;
      line-height:1.75;
      overflow-x:hidden;
    }
    body:before{
      content:"";
      position:fixed;
      inset:0;
      pointer-events:none;
      opacity:.22;
      background-image:
        linear-gradient(rgba(255,255,255,.04) 1px, transparent 1px),
        linear-gradient(90deg, rgba(255,255,255,.04) 1px, transparent 1px);
      background-size:38px 38px;
      mask-image:linear-gradient(to bottom, black, transparent 82%);
      z-index:-2;
    }
    body:after{
      content:"";
      position:fixed;
      inset:-20%;
      pointer-events:none;
      background:
        linear-gradient(115deg, transparent 0 38%, rgba(0,229,255,.10) 39%, transparent 41%),
        linear-gradient(130deg, transparent 0 56%, rgba(180,60,255,.12) 57%, transparent 59%);
      z-index:-1;
    }
    a{color:inherit;text-decoration:none;transition:color .2s ease,border-color .2s ease,background .2s ease,transform .2s ease}
    a:hover{color:var(--cyan)}
    button,input,select,textarea{font:inherit}
    button{cursor:pointer}
    img{max-width:100%;display:block}
    .container{width:min(var(--container), calc(100% - 40px));margin-inline:auto}
    .sr-only{position:absolute;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;clip:rect(0,0,0,0);white-space:nowrap;border:0}
    .site-header{
      position:sticky;
      top:0;
      z-index:50;
      background:rgba(9,10,15,.92);
      border-bottom:1px solid rgba(255,255,255,.08);
      backdrop-filter:blur(14px);
      transition:background .2s ease, box-shadow .2s ease;
    }
    .site-header.is-scrolled{background:rgba(6,7,12,.97);box-shadow:0 16px 48px rgba(0,0,0,.38)}
    .brand-row{height:72px;display:flex;align-items:center;justify-content:space-between;gap:18px}
    .brand{
      display:flex;
      align-items:center;
      gap:12px;
      min-width:0;
      font-weight:850;
      letter-spacing:.02em;
    }
    .brand-mark{
      width:42px;height:42px;border-radius:14px;
      background:linear-gradient(135deg, rgba(180,60,255,.95), rgba(0,229,255,.78));
      position:relative;
      box-shadow:0 0 24px rgba(180,60,255,.28);
      flex:0 0 auto;
    }
    .brand-mark:before,.brand-mark:after{
      content:"";position:absolute;border:1px solid rgba(255,255,255,.75);inset:9px;transform:skew(-10deg);border-radius:8px;
    }
    .brand-mark:after{inset:15px;border-color:rgba(9,10,15,.75);background:rgba(9,10,15,.36)}
    .brand-text{font-size:18px;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
    .brand-note{
      color:var(--muted);
      font-size:13px;
      border:1px solid var(--line);
      border-radius:999px;
      padding:7px 12px;
      background:rgba(255,255,255,.035);
    }
    .top-actions{display:flex;align-items:center;gap:10px;flex:0 0 auto}
    .mini-link{
      color:var(--muted);
      min-height:38px;
      display:inline-flex;
      align-items:center;
      padding:0 12px;
      border:1px solid rgba(255,255,255,.08);
      border-radius:999px;
      background:rgba(255,255,255,.025);
      font-size:13px;
    }
    .mini-link:hover{border-color:var(--line-strong);background:rgba(0,229,255,.06)}
    .channel-row{
      height:52px;
      border-top:1px solid rgba(255,255,255,.06);
      display:flex;
      align-items:center;
      overflow-x:auto;
      scrollbar-width:none;
      gap:10px;
    }
    .channel-row::-webkit-scrollbar{display:none}
    .channel{
      position:relative;
      flex:0 0 auto;
      min-height:36px;
      display:inline-flex;
      align-items:center;
      padding:0 16px;
      color:var(--muted);
      border:1px solid rgba(255,255,255,.09);
      border-radius:999px;
      background:rgba(255,255,255,.025);
      font-size:14px;
    }
    .channel:after{
      content:"";
      position:absolute;
      left:18px;right:18px;bottom:-2px;height:1px;
      background:transparent;
      transition:background .2s ease;
    }
    .channel:hover:after{background:var(--cyan)}
    .channel.active{
      color:#fff;
      border-color:rgba(180,60,255,.72);
      background:linear-gradient(135deg, rgba(180,60,255,.25), rgba(0,229,255,.08));
      box-shadow:0 0 0 1px rgba(180,60,255,.12) inset;
    }
    .section{padding:82px 0}
    .section.compact{padding:58px 0}
    .eyebrow{
      display:inline-flex;
      align-items:center;
      gap:8px;
      color:var(--cyan);
      font-size:13px;
      font-weight:700;
      letter-spacing:.06em;
      padding:7px 12px;
      border:1px solid rgba(0,229,255,.26);
      border-radius:999px;
      background:rgba(0,229,255,.055);
    }
    .eyebrow .dot{width:7px;height:7px;border-radius:999px;background:var(--cyan);box-shadow:0 0 14px var(--cyan)}
    .section-head{display:flex;align-items:end;justify-content:space-between;gap:28px;margin-bottom:28px}
    .section-title{font-size:clamp(28px,3vw,38px);font-weight:850;line-height:1.2;margin:14px 0 0}
    .section-desc{color:var(--muted);max-width:660px;font-size:16px;margin:10px 0 0}
    .btn{
      min-height:46px;
      display:inline-flex;
      align-items:center;
      justify-content:center;
      gap:9px;
      padding:0 20px;
      border-radius:999px;
      border:1px solid rgba(255,255,255,.12);
      color:#fff;
      font-weight:750;
      transition:transform .2s ease, box-shadow .2s ease, background .2s ease, border-color .2s ease;
      user-select:none;
    }
    .btn:hover{transform:translateY(-2px)}
    .btn:focus-visible,.channel:focus-visible,.mini-link:focus-visible,input:focus-visible,select:focus-visible,textarea:focus-visible,button:focus-visible{
      outline:2px solid var(--cyan);
      outline-offset:3px;
    }
    .btn-primary{
      background:linear-gradient(135deg, #B43CFF, #7E3DFF 52%, #FF4D6D);
      box-shadow:0 14px 36px rgba(180,60,255,.28);
    }
    .btn-primary:hover{box-shadow:0 16px 46px rgba(180,60,255,.38)}
    .btn-secondary{
      background:rgba(0,229,255,.04);
      border-color:rgba(0,229,255,.48);
      color:#E9FCFF;
    }
    .btn-secondary:hover{background:rgba(0,229,255,.11);box-shadow:0 0 26px rgba(0,229,255,.12)}
    .btn-ghost{
      background:rgba(255,255,255,.035);
      color:var(--muted);
    }
    .btn-ghost:hover{border-color:rgba(255,255,255,.22);color:#fff;background:rgba(255,255,255,.065)}
    .hero{
      position:relative;
      padding:56px 0 78px;
      overflow:hidden;
    }
    .hero-stage{
      position:relative;
      min-height:560px;
      border:1px solid rgba(255,255,255,.10);
      border-radius:30px;
      background:
        radial-gradient(circle at 74% 24%, rgba(180,60,255,.24), transparent 34%),
        linear-gradient(135deg, rgba(255,255,255,.075), rgba(255,255,255,.025));
      box-shadow:var(--shadow);
      overflow:hidden;
      padding:42px;
    }
    .hero-stage:before{
      content:"";
      position:absolute;
      inset:0;
      background:
        linear-gradient(115deg, transparent 0 42%, rgba(0,229,255,.16) 43%, transparent 45%),
        radial-gradient(circle at 20% 92%, rgba(255,77,109,.12), transparent 30%);
      pointer-events:none;
    }
    .burst{
      position:absolute;
      top:30px;
      right:36px;
      width:138px;
      height:138px;
      display:grid;
      place-items:center;
      text-align:center;
      color:#fff;
      font-weight:900;
      line-height:1.15;
      background:linear-gradient(135deg, rgba(255,77,109,.96), rgba(180,60,255,.88));
      clip-path:polygon(50% 0%,61% 25%,88% 12%,75% 39%,100% 50%,75% 61%,88% 88%,61% 75%,50% 100%,39% 75%,12% 88%,25% 61%,0% 50%,25% 39%,12% 12%,39% 25%);
      box-shadow:0 0 42px rgba(255,77,109,.28);
      transform:rotate(8deg);
    }
    .hero-inner{position:relative;z-index:2;display:grid;grid-template-columns:1.18fr .82fr;gap:32px;align-items:center}
    .hero-copy{max-width:720px;padding-top:20px}
    .promo-line{
      display:flex;
      flex-wrap:wrap;
      gap:10px;
      margin-bottom:18px;
    }
    .promo-tag{
      display:inline-flex;
      align-items:center;
      min-height:32px;
      padding:0 12px;
      border-radius:9px;
      color:#fff;
      background:rgba(255,255,255,.07);
      border:1px solid rgba(255,255,255,.12);
      font-size:13px;
      font-weight:700;
    }
    .promo-tag.hot{background:rgba(255,77,109,.12);border-color:rgba(255,77,109,.36);color:#FFD8DF}
    h1{
      font-size:clamp(31px,5vw,58px);
      line-height:1.1;
      margin:0;
      font-weight:900;
      letter-spacing:-.04em;
    }
    .gradient-text{
      background:linear-gradient(90deg, #fff, #E8D4FF 38%, #00E5FF);
      -webkit-background-clip:text;
      background-clip:text;
      color:transparent;
    }
    .hero-sub{
      margin:22px 0 0;
      color:#CDD2DE;
      font-size:17px;
      max-width:680px;
    }
    .hero-actions{display:flex;flex-wrap:wrap;gap:12px;margin-top:30px}
    .data-points{
      display:grid;
      grid-template-columns:repeat(3,1fr);
      gap:12px;
      margin-top:30px;
      max-width:680px;
    }
    .point{
      border:1px solid rgba(255,255,255,.10);
      border-radius:18px;
      padding:15px;
      background:rgba(0,0,0,.22);
      position:relative;
      overflow:hidden;
    }
    .point:before{
      content:"";
      position:absolute;left:0;top:0;width:100%;height:2px;
      background:linear-gradient(90deg,var(--cyan),transparent);
    }
    .point strong{display:block;color:var(--cyan);font-size:24px;line-height:1.1}
    .point span{color:var(--muted);font-size:13px}
    .confirm-panel{
      border:1px solid rgba(255,255,255,.12);
      border-radius:26px;
      background:rgba(8,9,14,.66);
      padding:22px;
      box-shadow:0 18px 64px rgba(0,0,0,.34);
      position:relative;
      overflow:hidden;
    }
    .confirm-panel:before{
      content:"";
      position:absolute;inset:0;
      background:linear-gradient(135deg, rgba(180,60,255,.14), transparent 44%, rgba(0,229,255,.08));
      pointer-events:none;
    }
    .panel-head{position:relative;display:flex;align-items:center;justify-content:space-between;gap:14px;margin-bottom:18px}
    .panel-title{font-weight:850;font-size:19px}
    .age-badge{color:#FFDCE3;background:rgba(255,77,109,.12);border:1px solid rgba(255,77,109,.34);border-radius:999px;padding:5px 10px;font-size:12px;font-weight:800}
    .check-list{position:relative;display:grid;gap:12px}
    .check-item{
      display:flex;
      gap:12px;
      align-items:flex-start;
      padding:15px;
      background:rgba(255,255,255,.045);
      border:1px solid rgba(255,255,255,.09);
      border-radius:17px;
      transition:transform .2s ease,border-color .2s ease,background .2s ease;
    }
    .check-item:hover{transform:translateY(-2px);border-color:rgba(0,229,255,.34);background:rgba(0,229,255,.055)}
    .status{
      width:11px;height:11px;border-radius:999px;background:var(--success);box-shadow:0 0 16px rgba(56,230,176,.65);margin-top:8px;flex:0 0 auto;
    }
    .check-item h3{font-size:16px;margin:0 0 4px;font-weight:800}
    .check-item p{margin:0;color:var(--muted);font-size:13px;line-height:1.55}
    .quick-strip{
      position:relative;
      z-index:2;
      display:flex;
      gap:10px;
      overflow-x:auto;
      scrollbar-width:none;
      margin-top:28px;
      padding-bottom:2px;
    }
    .quick-strip::-webkit-scrollbar{display:none}
    .strip-pill{
      flex:0 0 auto;
      border:1px solid rgba(0,229,255,.22);
      border-radius:999px;
      padding:9px 14px;
      color:#DAFBFF;
      background:rgba(0,229,255,.055);
      font-size:13px;
      font-weight:700;
    }
    .question-grid{
      display:grid;
      grid-template-columns:repeat(5, minmax(210px,1fr));
      gap:14px;
      overflow-x:auto;
      padding-bottom:8px;
      scrollbar-color:rgba(0,229,255,.5) transparent;
    }
    .q-card,.card{
      position:relative;
      border:1px solid rgba(255,255,255,.10);
      border-radius:var(--radius);
      background:linear-gradient(145deg, rgba(255,255,255,.06), rgba(255,255,255,.025));
      padding:22px;
      box-shadow:var(--shadow);
      transition:transform .22s ease,border-color .22s ease,box-shadow .22s ease,background .22s ease;
      overflow:hidden;
    }
    .q-card:before,.card:before{
      content:"";
      position:absolute;
      right:-1px;top:-1px;
      width:46px;height:46px;
      background:linear-gradient(135deg, rgba(0,229,255,.52), rgba(180,60,255,.02));
      clip-path:polygon(100% 0,0 0,100% 100%);
      opacity:.7;
      transition:opacity .2s ease,filter .2s ease;
    }
    .q-card:hover,.card:hover{transform:translateY(-3px);border-color:rgba(0,229,255,.42);box-shadow:var(--shadow-glow)}
    .q-card:hover:before,.card:hover:before{opacity:1;filter:drop-shadow(0 0 10px rgba(0,229,255,.6))}
    .q-card h3{font-size:18px;font-weight:850;line-height:1.35;margin:0 0 10px}
    .q-card p,.card p{color:var(--muted);font-size:14px;margin:0}
    .tag{
      display:inline-flex;align-items:center;
      min-height:28px;
      padding:0 10px;
      border-radius:999px;
      color:#ECDCFF;
      background:rgba(180,60,255,.12);
      border:1px solid rgba(180,60,255,.32);
      font-size:12px;
      font-weight:800;
      margin-top:16px;
    }
    .solution-grid{display:grid;grid-template-columns:1.1fr .9fr;gap:18px;align-items:stretch}
    .solution-main{
      min-height:420px;
      display:flex;
      flex-direction:column;
      justify-content:space-between;
      background:
        radial-gradient(circle at 25% 10%, rgba(180,60,255,.22), transparent 32%),
        linear-gradient(145deg, rgba(255,255,255,.075), rgba(255,255,255,.025));
    }
    .solution-main h3{font-size:30px;line-height:1.22;margin:16px 0 14px;font-weight:900}
    .solution-main p{font-size:16px;color:#C6CBD8;max-width:620px}
    .path-list{display:grid;grid-template-columns:repeat(2,1fr);gap:12px;margin-top:26px}
    .path{
      border:1px solid rgba(255,255,255,.10);
      border-radius:18px;
      padding:15px;
      background:rgba(0,0,0,.18);
    }
    .path b{display:block;color:#fff;margin-bottom:4px}
    .path span{color:var(--muted);font-size:13px}
    .solution-side{display:grid;gap:18px}
    .small-card h3{margin:12px 0 8px;font-size:20px;font-weight:850}
    .small-card a{display:inline-flex;margin-top:16px;color:var(--cyan);font-weight:800;font-size:14px}
    .number{
      display:inline-flex;
      align-items:center;
      justify-content:center;
      width:34px;height:34px;
      border-radius:12px;
      background:rgba(0,229,255,.10);
      border:1px solid rgba(0,229,255,.28);
      color:var(--cyan);
      font-weight:900;
    }
    .dashboard{
      border:1px solid rgba(255,255,255,.10);
      border-radius:30px;
      background:
        radial-gradient(circle at 80% 10%, rgba(0,229,255,.12), transparent 30%),
        linear-gradient(145deg, rgba(255,255,255,.06), rgba(255,255,255,.025));
      padding:26px;
      box-shadow:var(--shadow);
    }
    .big-meter{
      display:grid;
      grid-template-columns:1.2fr .8fr;
      gap:18px;
      margin-bottom:18px;
    }
    .meter-main,.metric{
      border:1px solid rgba(255,255,255,.09);
      border-radius:22px;
      padding:22px;
      background:rgba(0,0,0,.19);
      overflow:hidden;
    }
    .meter-main strong{font-size:clamp(38px,6vw,72px);color:var(--cyan);line-height:1;font-weight:950}
    .meter-main span{display:block;color:var(--muted);margin-top:8px}
    .bar{height:8px;background:rgba(255,255,255,.08);border-radius:999px;overflow:hidden;margin-top:18px}
    .bar i{display:block;height:100%;border-radius:999px;background:linear-gradient(90deg,var(--cyan),var(--primary));width:86%}
    .metric-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:14px}
    .metric strong{display:block;font-size:28px;color:var(--cyan);line-height:1.2}
    .metric span{display:block;color:var(--muted);font-size:13px;margin-top:6px}
    .news-layout{display:grid;grid-template-columns:1.35fr .65fr;gap:18px}
    .news-list{
      border:1px solid rgba(255,255,255,.10);
      border-radius:26px;
      overflow:hidden;
      background:rgba(255,255,255,.035);
      box-shadow:var(--shadow);
    }
    .news-item{
      display:grid;
      grid-template-columns:116px 1fr auto;
      gap:16px;
      align-items:center;
      padding:18px 20px;
      border-bottom:1px solid rgba(255,255,255,.075);
    }
    .news-item:last-child{border-bottom:0}
    .news-date{color:var(--cyan);font-weight:900;font-size:13px}
    .news-item h3{margin:0 0 4px;font-size:17px;font-weight:850}
    .news-item p{margin:0;color:var(--muted);font-size:13px;line-height:1.55}
    .read-link{color:var(--cyan);font-size:13px;font-weight:800;white-space:nowrap}
    .rank-panel{border:1px solid rgba(255,255,255,.10);border-radius:26px;background:rgba(255,255,255,.035);padding:20px;box-shadow:var(--shadow)}
    .rank-panel h3{margin:0 0 14px;font-size:20px;font-weight:900}
    .rank-row{display:grid;grid-template-columns:32px 1fr auto;gap:12px;align-items:center;padding:13px 0;border-bottom:1px solid rgba(255,255,255,.07)}
    .rank-row:last-child{border-bottom:0}
    .rank-no{width:28px;height:28px;border-radius:10px;background:rgba(180,60,255,.15);display:grid;place-items:center;color:#fff;font-weight:900}
    .rank-row b{font-size:14px}
    .rank-row span{font-size:12px;color:var(--weak)}
    .rank-hot{color:var(--cyan);font-size:13px;font-weight:900}
    .answer-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:16px}
    .answer-card h3{font-size:19px;font-weight:850;margin:8px 0 8px}
    .safety-band{
      display:grid;
      grid-template-columns:repeat(4,1fr);
      gap:14px;
    }
    .safety-item{
      border:1px solid rgba(255,255,255,.10);
      border-radius:22px;
      padding:20px;
      background:rgba(255,255,255,.04);
      min-height:150px;
      transition:transform .2s ease,border-color .2s ease;
    }
    .safety-item:hover{transform:translateY(-3px);border-color:rgba(0,229,255,.36)}
    .icon{
      width:42px;height:42px;border-radius:15px;
      display:grid;place-items:center;
      color:var(--cyan);
      background:rgba(0,229,255,.08);
      border:1px solid rgba(0,229,255,.22);
      font-size:20px;
    }
    .safety-item h3{font-size:18px;margin:14px 0 6px;font-weight:850}
    .safety-item p{margin:0;color:var(--muted);font-size:13px}
    .lead-zone{
      border:1px solid rgba(180,60,255,.34);
      border-radius:30px;
      background:
        linear-gradient(135deg, rgba(180,60,255,.18), rgba(0,229,255,.06)),
        rgba(255,255,255,.035);
      padding:34px;
      display:grid;
      grid-template-columns:1fr auto;
      align-items:center;
      gap:26px;
      box-shadow:var(--shadow);
    }
    .lead-zone h2{font-size:clamp(26px,3vw,36px);line-height:1.2;margin:0 0 10px;font-weight:900}
    .lead-zone p{margin:0;color:#C9CEDB;max-width:720px}
    .privacy-layout{display:grid;grid-template-columns:.35fr .65fr;gap:20px;align-items:start}
    .privacy-panel{
      border:1px solid rgba(255,255,255,.10);
      border-radius:28px;
      background:linear-gradient(145deg, rgba(255,77,109,.08), rgba(255,255,255,.035));
      padding:24px;
      box-shadow:var(--shadow);
      position:sticky;
      top:144px;
    }
    .privacy-panel h3{margin:16px 0 10px;font-size:24px;font-weight:900}
    .privacy-panel p{color:var(--muted);margin:0 0 18px}
    .privacy-badges{display:flex;flex-wrap:wrap;gap:9px}
    .warn-tag{border-color:rgba(255,77,109,.35);background:rgba(255,77,109,.10);color:#FFDCE3}
    .faq-list{display:grid;gap:12px}
    .faq-item{
      border:1px solid rgba(255,255,255,.10);
      border-radius:20px;
      background:rgba(255,255,255,.035);
      overflow:hidden;
      transition:border-color .2s ease,background .2s ease;
    }
    .faq-item.active{border-color:rgba(0,229,255,.45);background:rgba(0,229,255,.035)}
    .faq-q{
      width:100%;
      min-height:58px;
      border:0;
      background:transparent;
      color:#fff;
      text-align:left;
      padding:18px 50px 18px 20px;
      font-weight:850;
      position:relative;
    }
    .faq-q:after{
      content:"⌄";
      position:absolute;
      right:20px;top:50%;
      transform:translateY(-50%);
      color:var(--cyan);
      transition:transform .22s ease;
      font-size:22px;
    }
    .faq-item.active .faq-q:after{transform:translateY(-50%) rotate(180deg)}
    .faq-a{
      max-height:0;
      overflow:hidden;
      transition:max-height .22s ease;
      color:var(--muted);
      padding:0 20px;
      position:relative;
    }
    .faq-item.active .faq-a{max-height:180px;padding:0 20px 18px 24px}
    .faq-item.active .faq-a:before{
      content:"";
      position:absolute;left:12px;top:4px;bottom:22px;width:2px;background:var(--cyan);border-radius:999px;
    }
    .app-panel{
      border:1px solid rgba(255,255,255,.10);
      border-radius:30px;
      padding:30px;
      background:
        radial-gradient(circle at 92% 22%, rgba(0,229,255,.14), transparent 34%),
        linear-gradient(135deg, rgba(255,255,255,.055), rgba(255,255,255,.025));
      display:grid;
      grid-template-columns:1fr 1fr;
      gap:24px;
      align-items:center;
      box-shadow:var(--shadow);
    }
    .app-features{display:grid;gap:12px}
    .app-feature{display:flex;align-items:center;gap:12px;padding:13px 14px;border:1px solid rgba(255,255,255,.09);border-radius:16px;background:rgba(0,0,0,.16);color:var(--muted)}
    .app-feature b{color:#fff}
    .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-box{
      width:min(660px,100%);
      border:1px solid rgba(180,60,255,.45);
      border-radius:28px;
      background:#11131D;
      box-shadow:0 28px 90px rgba(0,0,0,.65),0 0 0 1px rgba(0,229,255,.12) inset;
      overflow:hidden;
      animation:pop .18s ease both;
    }
    @keyframes pop{from{transform:translateY(14px);opacity:.6}to{transform:translateY(0);opacity:1}}
    .modal-head{display:flex;align-items:center;justify-content:space-between;gap:16px;padding:22px 24px;border-bottom:1px solid rgba(255,255,255,.08)}
    .modal-head h2{font-size:22px;margin:0;font-weight:900}
    .close-btn{width:42px;height:42px;border-radius:14px;border:1px solid rgba(255,255,255,.12);background:rgba(255,255,255,.04);color:#fff}
    .pref-form{padding:24px;display:grid;gap:16px}
    .field label{display:block;color:#E9ECF5;font-weight:800;margin-bottom:8px;font-size:14px}
    .field input,.field select,.field textarea{
      width:100%;
      border:1px solid rgba(255,255,255,.12);
      border-radius:14px;
      background:rgba(255,255,255,.055);
      color:#fff;
      min-height:46px;
      padding:11px 13px;
      transition:border-color .2s ease,background .2s ease,box-shadow .2s ease;
    }
    .field textarea{min-height:96px;resize:vertical}
    .field input:focus,.field select:focus,.field textarea:focus{border-color:var(--cyan);background:rgba(0,229,255,.05);box-shadow:0 0 0 3px rgba(0,229,255,.08);outline:none}
    .checkbox{
      display:flex;gap:10px;align-items:flex-start;color:var(--muted);font-size:14px;
      padding:12px;border:1px solid rgba(255,255,255,.10);border-radius:14px;background:rgba(255,255,255,.035)
    }
    .checkbox input{width:18px;height:18px;margin-top:4px;accent-color:var(--primary)}
    .error-msg{display:none;color:var(--danger);font-size:13px;margin-top:8px}
    .field.error input,.field.error select,.field.error textarea,.checkbox.error{border-color:rgba(255,77,109,.72)}
    .field.error .error-msg,.checkbox.error + .error-msg{display:block}
    .success-msg{
      display:none;
      border:1px solid rgba(56,230,176,.32);
      color:#D7FFF3;
      background:rgba(56,230,176,.09);
      border-radius:14px;
      padding:12px 14px;
      font-size:14px;
    }
    .success-msg.show{display:block}
    .form-actions{display:flex;gap:12px;justify-content:flex-end;flex-wrap:wrap}
    .site-footer{
      background:#05060A;
      border-top:1px solid rgba(255,255,255,.09);
      padding:54px 0 28px;
      position:relative;
      overflow:hidden;
    }
    .site-footer:before{
      content:"";position:absolute;inset:0;opacity:.18;
      background-image:linear-gradient(rgba(255,255,255,.05) 1px, transparent 1px),linear-gradient(90deg, rgba(255,255,255,.05) 1px, transparent 1px);
      background-size:42px 42px;
      pointer-events:none;
    }
    .footer-grid{position:relative;display:grid;grid-template-columns:1.1fr .9fr;gap:32px}
    .footer-brand{font-size:20px;font-weight:900;margin-bottom:12px}
    .footer-text{color:var(--muted);max-width:650px;margin:0}
    .footer-links{display:grid;grid-template-columns:repeat(2,1fr);gap:10px}
    .footer-links a{color:var(--muted);border-bottom:1px solid transparent;width:max-content}
    .footer-links a:hover{color:var(--cyan);border-bottom-color:var(--cyan)}
    .copyright{position:relative;margin-top:34px;padding-top:20px;border-top:1px solid rgba(255,255,255,.08);color:var(--weak);font-size:13px;display:flex;justify-content:space-between;gap:16px;flex-wrap:wrap}
    @media (max-width:1024px){
      .hero-inner,.solution-grid,.big-meter,.news-layout,.privacy-layout,.app-panel{grid-template-columns:1fr}
      .burst{width:112px;height:112px;right:24px;top:24px;font-size:14px}
      .hero-stage{padding:30px;min-height:auto}
      .confirm-panel{max-width:680px}
      .metric-grid,.safety-band{grid-template-columns:repeat(2,1fr)}
      .privacy-panel{position:relative;top:auto}
      .section-head{align-items:flex-start;flex-direction:column}
    }
    @media (max-width:768px){
      .container{width:min(100% - 28px, var(--container))}
      .brand-row{height:66px}
      .brand-note{display:none}
      .top-actions .mini-link:nth-child(1){display:none}
      .hero{padding:34px 0 54px}
      .hero-stage{border-radius:24px;padding:24px}
      .burst{position:relative;top:auto;right:auto;margin:0 0 16px auto;width:96px;height:96px}
      .data-points,.path-list,.answer-grid,.metric-grid,.safety-band,.footer-grid{grid-template-columns:1fr}
      .question-grid{grid-template-columns:repeat(5, 250px)}
      .news-item{grid-template-columns:1fr;gap:8px}
      .lead-zone{grid-template-columns:1fr;padding:24px}
      .section{padding:58px 0}
      .section.compact{padding:42px 0}
      .modal{align-items:flex-end;padding:0}
      .modal-box{border-radius:22px 22px 0 0;width:100%}
      .form-actions .btn{width:100%}
    }
    @media (max-width:520px){
      .brand-text{font-size:15px}
      .brand-mark{width:38px;height:38px}
      .mini-link{padding:0 10px;font-size:12px}
      h1{font-size:30px}
      .hero-sub{font-size:15px}
      .hero-actions .btn{width:100%}
      .point{padding:13px}
      .channel{padding:0 13px}
      .footer-links{grid-template-columns:1fr}
      .app-panel,.dashboard,.card,.q-card{border-radius:20px}
    }

/* roulang page: category1 */
:root{
      --bg:#090A0F;
      --bg-2:#10111A;
      --panel:#151722;
      --panel-soft:rgba(255,255,255,.045);
      --panel-strong:rgba(180,60,255,.12);
      --text:#F4F6FA;
      --muted:#A7ADBD;
      --weak:#6F7688;
      --line:rgba(255,255,255,.10);
      --line-strong:rgba(0,229,255,.42);
      --primary:#B43CFF;
      --primary-2:#9B5CFF;
      --cyan:#00E5FF;
      --warn:#FF4D6D;
      --ok:#25D7A1;
      --shadow:0 18px 60px rgba(0,0,0,.36);
      --shadow-cyan:0 0 0 1px rgba(0,229,255,.18),0 18px 60px rgba(0,229,255,.08);
      --radius:22px;
      --radius-sm:14px;
      --max:1200px;
      --font:PingFang SC,Microsoft YaHei,Noto Sans SC,Helvetica Neue,Arial,sans-serif;
    }
    *{box-sizing:border-box}
    html{scroll-behavior:smooth}
    body{
      margin:0;
      font-family:var(--font);
      color:var(--text);
      background:
        radial-gradient(circle at 16% 8%, rgba(180,60,255,.18), transparent 34%),
        radial-gradient(circle at 82% 18%, rgba(0,229,255,.12), transparent 30%),
        linear-gradient(180deg,var(--bg) 0%,#0B0C12 48%,#07080D 100%);
      line-height:1.75;
      overflow-x:hidden;
    }
    body::before{
      content:"";
      position:fixed;
      inset:0;
      pointer-events:none;
      opacity:.34;
      background-image:
        linear-gradient(rgba(255,255,255,.04) 1px, transparent 1px),
        linear-gradient(90deg, rgba(255,255,255,.04) 1px, transparent 1px),
        linear-gradient(135deg, transparent 0 45%, rgba(0,229,255,.08) 45% 46%, transparent 46% 100%);
      background-size:36px 36px,36px 36px,240px 240px;
      mask-image:linear-gradient(180deg,rgba(0,0,0,.9),rgba(0,0,0,.22));
      z-index:-2;
    }
    a{color:inherit;text-decoration:none}
    img,svg{max-width:100%;display:block}
    button,input,textarea,select{font:inherit}
    button{cursor:pointer}
    .container{width:min(calc(100% - 40px),var(--max));margin:0 auto}
    .site-header{
      position:sticky;
      top:0;
      z-index:50;
      background:rgba(9,10,15,.88);
      border-bottom:1px solid rgba(255,255,255,.08);
      backdrop-filter:blur(14px);
      transition:background .22s ease, box-shadow .22s ease;
    }
    .site-header.scrolled{background:rgba(7,8,13,.96);box-shadow:0 12px 36px rgba(0,0,0,.34)}
    .brand-row{
      min-height:70px;
      display:flex;
      align-items:center;
      justify-content:space-between;
      gap:18px;
      border-bottom:1px solid rgba(0,229,255,.12);
      position:relative;
    }
    .brand-row::after{
      content:"";
      position:absolute;
      left:0;
      right:0;
      bottom:-1px;
      height:1px;
      background:linear-gradient(90deg,transparent,var(--primary),var(--cyan),transparent);
      opacity:.52;
    }
    .brand{display:flex;align-items:center;gap:12px;min-width:0}
    .brand-mark{
      width:38px;height:38px;border-radius:12px;
      background:
        linear-gradient(135deg,rgba(180,60,255,.95),rgba(0,229,255,.72)),
        radial-gradient(circle at 70% 22%,#fff,transparent 18%);
      box-shadow:0 0 28px rgba(180,60,255,.36);
      position:relative;
      transform:skewX(-8deg);
      flex:0 0 auto;
    }
    .brand-mark::before,.brand-mark::after{
      content:"";
      position:absolute;
      border:1px solid rgba(255,255,255,.7);
      inset:8px;
      border-radius:8px;
      opacity:.55;
    }
    .brand-mark::after{
      inset:13px 9px;
      border-color:rgba(0,0,0,.48);
      transform:skewX(16deg);
    }
    .brand-text{font-weight:850;letter-spacing:-.02em;font-size:19px;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
    .brand-note{
      color:var(--muted);
      border:1px solid rgba(255,255,255,.1);
      background:rgba(255,255,255,.04);
      border-radius:999px;
      padding:7px 12px;
      font-size:13px;
      white-space:nowrap;
    }
    .top-actions{display:flex;align-items:center;gap:10px;flex:0 0 auto}
    .mini-link{
      min-height:36px;
      display:inline-flex;
      align-items:center;
      justify-content:center;
      padding:7px 12px;
      color:var(--muted);
      background:rgba(255,255,255,.035);
      border:1px solid rgba(255,255,255,.1);
      border-radius:999px;
      transition:.2s ease;
    }
    button.mini-link{color:var(--muted)}
    .mini-link:hover,.mini-link:focus-visible{
      color:var(--cyan);
      border-color:rgba(0,229,255,.5);
      background:rgba(0,229,255,.08);
      outline:none;
    }
    .channel-row{
      min-height:52px;
      display:flex;
      gap:10px;
      align-items:center;
      overflow-x:auto;
      scrollbar-width:none;
      padding:9px 0;
    }
    .channel-row::-webkit-scrollbar{display:none}
    .channel{
      flex:0 0 auto;
      min-height:36px;
      display:inline-flex;
      align-items:center;
      padding:8px 15px;
      color:var(--muted);
      border:1px solid rgba(255,255,255,.1);
      border-radius:999px;
      background:linear-gradient(180deg,rgba(255,255,255,.05),rgba(255,255,255,.02));
      position:relative;
      transition:transform .2s ease,border-color .2s ease,color .2s ease,background .2s ease;
    }
    .channel::after{
      content:"";
      position:absolute;
      left:16px;right:16px;bottom:4px;height:1px;
      background:var(--cyan);
      transform:scaleX(0);
      transform-origin:left;
      transition:transform .2s ease;
    }
    .channel:hover{color:var(--cyan);border-color:rgba(0,229,255,.42);transform:translateY(-1px)}
    .channel:hover::after{transform:scaleX(1)}
    .channel.active{
      color:#fff;
      border-color:rgba(180,60,255,.72);
      background:linear-gradient(135deg,rgba(180,60,255,.42),rgba(0,229,255,.13));
      box-shadow:0 0 24px rgba(180,60,255,.18);
    }
    main{position:relative}
    .section{padding:78px 0}
    .section-tight{padding:54px 0}
    .eyebrow{
      display:inline-flex;
      align-items:center;
      gap:8px;
      color:var(--cyan);
      background:rgba(0,229,255,.08);
      border:1px solid rgba(0,229,255,.22);
      border-radius:999px;
      padding:7px 12px;
      font-size:13px;
      font-weight:700;
    }
    .eyebrow::before{
      content:"";
      width:7px;height:7px;border-radius:50%;
      background:var(--cyan);
      box-shadow:0 0 16px var(--cyan);
    }
    .category-hero{
      padding:72px 0 44px;
      position:relative;
      overflow:hidden;
    }
    .category-hero::before{
      content:"";
      position:absolute;
      inset:24px max(20px,calc((100vw - var(--max))/2)) 0;
      border:1px solid rgba(255,255,255,.08);
      border-radius:30px;
      background:
        linear-gradient(120deg,rgba(180,60,255,.16),transparent 34%),
        linear-gradient(300deg,rgba(0,229,255,.12),transparent 38%),
        rgba(255,255,255,.025);
      clip-path:polygon(0 0,97% 0,100% 10%,100% 100%,3% 100%,0 90%);
      z-index:-1;
    }
    .hero-grid{
      display:grid;
      grid-template-columns:minmax(0,1.15fr) minmax(340px,.85fr);
      gap:34px;
      align-items:center;
    }
    .breadcrumb{
      display:flex;
      align-items:center;
      gap:8px;
      color:var(--weak);
      font-size:13px;
      margin-bottom:18px;
      flex-wrap:wrap;
    }
    .breadcrumb a:hover{color:var(--cyan)}
    h1,h2,h3,p{margin-top:0}
    h1{
      font-size:clamp(30px,5vw,54px);
      line-height:1.12;
      letter-spacing:-.045em;
      margin:18px 0 20px;
      font-weight:900;
    }
    .gradient-text{
      background:linear-gradient(90deg,#fff 0%,#DDB9FF 35%,var(--cyan) 100%);
      -webkit-background-clip:text;
      background-clip:text;
      color:transparent;
    }
    .lead{
      color:var(--muted);
      font-size:17px;
      max-width:760px;
      margin-bottom:24px;
    }
    .hero-actions{display:flex;gap:12px;flex-wrap:wrap;margin-top:28px}
    .btn{
      min-height:46px;
      display:inline-flex;
      align-items:center;
      justify-content:center;
      gap:9px;
      padding:12px 18px;
      border-radius:999px;
      border:1px solid transparent;
      font-weight:760;
      transition:transform .2s ease,box-shadow .2s ease,border-color .2s ease,background .2s ease,color .2s ease;
    }
    .btn-primary{
      color:#fff;
      background:linear-gradient(135deg,#7E1FE9,var(--primary),#FF4D6D);
      border-color:rgba(255,255,255,.18);
      box-shadow:0 12px 34px rgba(180,60,255,.25);
    }
    .btn-secondary{
      color:var(--cyan);
      background:rgba(0,229,255,.04);
      border-color:rgba(0,229,255,.42);
    }
    .btn-ghost{
      color:var(--muted);
      background:rgba(255,255,255,.035);
      border-color:rgba(255,255,255,.12);
    }
    .btn:hover{transform:translateY(-2px)}
    .btn-primary:hover{box-shadow:0 18px 44px rgba(180,60,255,.34)}
    .btn-secondary:hover{background:rgba(0,229,255,.1);box-shadow:var(--shadow-cyan)}
    .btn:focus-visible{outline:3px solid rgba(0,229,255,.35);outline-offset:3px}
    .trust-strip{
      margin-top:26px;
      display:flex;
      flex-wrap:wrap;
      gap:10px;
    }
    .trust-item{
      display:inline-flex;
      align-items:center;
      gap:8px;
      padding:8px 11px;
      border:1px solid rgba(255,255,255,.1);
      border-radius:12px;
      color:var(--muted);
      background:rgba(255,255,255,.035);
      font-size:13px;
    }
    .trust-item i{
      width:8px;height:8px;border-radius:50%;
      background:var(--ok);
      box-shadow:0 0 16px rgba(37,215,161,.6);
    }
    .hud-panel{
      border:1px solid rgba(255,255,255,.12);
      background:
        linear-gradient(135deg,rgba(180,60,255,.14),transparent 38%),
        linear-gradient(180deg,rgba(255,255,255,.065),rgba(255,255,255,.025));
      border-radius:var(--radius);
      box-shadow:var(--shadow);
      padding:22px;
      position:relative;
      overflow:hidden;
      clip-path:polygon(0 0,94% 0,100% 9%,100% 100%,6% 100%,0 91%);
    }
    .hud-panel::before{
      content:"";
      position:absolute;
      left:0;right:0;top:0;height:3px;
      background:linear-gradient(90deg,var(--primary),var(--cyan),transparent);
    }
    .panel-title{
      display:flex;
      align-items:center;
      justify-content:space-between;
      gap:12px;
      margin-bottom:18px;
    }
    .panel-title h2,.panel-title h3{font-size:20px;margin:0}
    .status-badge{
      color:#fff;
      background:rgba(255,77,109,.14);
      border:1px solid rgba(255,77,109,.38);
      border-radius:999px;
      padding:5px 9px;
      font-size:12px;
      font-weight:800;
    }
    .check-list{display:grid;gap:12px}
    .check-item{
      display:grid;
      grid-template-columns:38px 1fr auto;
      gap:12px;
      align-items:center;
      padding:13px;
      border:1px solid rgba(255,255,255,.1);
      background:rgba(0,0,0,.18);
      border-radius:16px;
    }
    .icon-box{
      width:38px;height:38px;border-radius:13px;
      display:grid;place-items:center;
      color:var(--cyan);
      background:rgba(0,229,255,.09);
      border:1px solid rgba(0,229,255,.24);
    }
    .check-item strong{display:block;line-height:1.3}
    .check-item span{display:block;color:var(--weak);font-size:13px;line-height:1.45;margin-top:3px}
    .state-dot{
      width:10px;height:10px;border-radius:50%;
      background:var(--cyan);
      box-shadow:0 0 16px rgba(0,229,255,.7);
    }
    .section-head{
      display:flex;
      justify-content:space-between;
      gap:24px;
      align-items:flex-end;
      margin-bottom:26px;
    }
    .section-head h2{
      font-size:clamp(26px,3.2vw,36px);
      line-height:1.2;
      letter-spacing:-.03em;
      margin:10px 0 0;
    }
    .section-head p{color:var(--muted);max-width:640px;margin:10px 0 0}
    .filter-zone{
      border:1px solid rgba(255,255,255,.1);
      background:rgba(255,255,255,.035);
      border-radius:24px;
      padding:18px;
      box-shadow:var(--shadow);
    }
    .tag-scroll{
      display:flex;
      gap:10px;
      overflow-x:auto;
      scrollbar-width:thin;
      scrollbar-color:rgba(0,229,255,.5) transparent;
      padding-bottom:8px;
    }
    .filter-tag{
      flex:0 0 auto;
      border:1px solid rgba(255,255,255,.12);
      color:var(--muted);
      background:rgba(0,0,0,.18);
      border-radius:999px;
      min-height:40px;
      padding:9px 14px;
      transition:.2s ease;
    }
    .filter-tag:hover,.filter-tag:focus-visible{
      color:var(--cyan);
      border-color:rgba(0,229,255,.42);
      outline:none;
    }
    .filter-tag.active{
      color:#fff;
      background:linear-gradient(135deg,rgba(180,60,255,.72),rgba(0,229,255,.16));
      border-color:rgba(180,60,255,.72);
    }
    .fold-panel{
      margin-top:14px;
      padding:16px;
      border-radius:18px;
      border:1px solid rgba(255,255,255,.09);
      background:rgba(0,0,0,.16);
      display:grid;
      grid-template-columns:repeat(4,1fr);
      gap:12px;
    }
    .fold-item{
      padding:13px;
      border-radius:16px;
      border:1px solid rgba(255,255,255,.08);
      background:rgba(255,255,255,.035);
    }
    .fold-item b{display:block;margin-bottom:4px}
    .fold-item small{color:var(--weak);line-height:1.5;display:block}
    .content-layout{
      display:grid;
      grid-template-columns:minmax(0,1fr) 340px;
      gap:24px;
      align-items:start;
    }
    .info-list{display:grid;gap:16px}
    .info-card{
      position:relative;
      overflow:hidden;
      border:1px solid rgba(255,255,255,.1);
      border-radius:22px;
      background:
        linear-gradient(135deg,rgba(180,60,255,.08),transparent 38%),
        rgba(255,255,255,.04);
      padding:20px;
      transition:transform .22s ease,border-color .22s ease,box-shadow .22s ease,background .22s ease;
    }
    .info-card::before{
      content:"";
      position:absolute;
      top:0;left:0;width:92px;height:3px;
      background:linear-gradient(90deg,var(--primary),var(--cyan));
      box-shadow:0 0 22px rgba(0,229,255,.35);
    }
    .info-card::after{
      content:"";
      position:absolute;
      top:0;right:0;
      border-style:solid;
      border-width:0 32px 32px 0;
      border-color:transparent rgba(0,229,255,.16) transparent transparent;
      transition:border-color .22s ease;
    }
    .info-card:hover{
      transform:translateY(-3px);
      border-color:rgba(0,229,255,.38);
      box-shadow:var(--shadow-cyan);
      background:
        linear-gradient(135deg,rgba(180,60,255,.13),transparent 38%),
        rgba(255,255,255,.052);
    }
    .info-card:hover::after{border-color:transparent rgba(0,229,255,.36) transparent transparent}
    .card-top{
      display:flex;
      justify-content:space-between;
      align-items:center;
      gap:12px;
      margin-bottom:10px;
      flex-wrap:wrap;
    }
    .badge{
      display:inline-flex;
      align-items:center;
      gap:7px;
      border-radius:999px;
      padding:6px 10px;
      font-size:12px;
      font-weight:800;
      color:var(--cyan);
      background:rgba(0,229,255,.08);
      border:1px solid rgba(0,229,255,.22);
    }
    .badge.purple{color:#E8D5FF;background:rgba(180,60,255,.12);border-color:rgba(180,60,255,.3)}
    .badge.warn{color:#FFD4DC;background:rgba(255,77,109,.1);border-color:rgba(255,77,109,.28)}
    .update{
      display:inline-flex;
      align-items:center;
      gap:7px;
      color:var(--weak);
      font-size:13px;
    }
    .update::before{
      content:"";
      width:8px;height:8px;border-radius:50%;
      background:var(--ok);
      box-shadow:0 0 12px rgba(37,215,161,.45);
    }
    .info-card h3{
      font-size:22px;
      line-height:1.32;
      margin:0 0 8px;
      letter-spacing:-.02em;
    }
    .info-card p{color:var(--muted);margin:0 0 16px}
    .card-actions{display:flex;gap:10px;flex-wrap:wrap;align-items:center}
    .text-link{
      display:inline-flex;
      align-items:center;
      gap:7px;
      color:var(--cyan);
      font-weight:760;
      border-bottom:1px solid rgba(0,229,255,.35);
      padding-bottom:2px;
      transition:.2s ease;
    }
    .text-link:hover{color:#fff;border-color:#fff}
    .side-stack{display:grid;gap:16px;position:sticky;top:138px}
    .side-card{
      border:1px solid rgba(255,255,255,.1);
      border-radius:22px;
      background:rgba(255,255,255,.045);
      padding:18px;
      box-shadow:0 12px 44px rgba(0,0,0,.26);
      overflow:hidden;
      position:relative;
    }
    .side-card::before{
      content:"";
      position:absolute;
      inset:0 auto 0 0;
      width:3px;
      background:linear-gradient(180deg,var(--primary),var(--cyan));
      opacity:.8;
    }
    .side-card h3{font-size:18px;margin:0 0 10px;padding-left:2px}
    .side-card p{color:var(--muted);font-size:14px;margin:0 0 12px}
    .side-tags{display:flex;gap:8px;flex-wrap:wrap}
    .side-tags span{
      color:var(--muted);
      font-size:12px;
      border:1px solid rgba(255,255,255,.1);
      background:rgba(0,0,0,.18);
      border-radius:999px;
      padding:6px 9px;
    }
    .age-box{
      padding:14px;
      border-radius:16px;
      border:1px solid rgba(255,77,109,.24);
      background:rgba(255,77,109,.08);
      color:#FFDCE3;
      font-size:14px;
    }
    .mini-form{display:grid;gap:10px;margin-top:12px}
    .field label{
      display:block;
      color:var(--muted);
      font-size:13px;
      margin-bottom:6px;
    }
    .field input,.field textarea,.field select{
      width:100%;
      color:var(--text);
      border:1px solid rgba(255,255,255,.12);
      background:rgba(0,0,0,.24);
      border-radius:14px;
      padding:11px 12px;
      outline:none;
      transition:.2s ease;
    }
    .field textarea{min-height:92px;resize:vertical}
    .field input:focus,.field textarea:focus,.field select:focus{
      border-color:rgba(0,229,255,.6);
      box-shadow:0 0 0 3px rgba(0,229,255,.1);
      background:rgba(0,229,255,.035);
    }
    .hint{font-size:12px;color:var(--weak);margin-top:6px}
    .pagination{
      display:flex;
      gap:10px;
      flex-wrap:wrap;
      justify-content:center;
      margin-top:28px;
    }
    .page-btn{
      min-width:42px;
      min-height:42px;
      display:inline-flex;
      align-items:center;
      justify-content:center;
      color:var(--muted);
      border:1px solid rgba(255,255,255,.12);
      border-radius:999px;
      background:rgba(255,255,255,.035);
      transition:.2s ease;
    }
    .page-btn:hover{color:var(--cyan);border-color:rgba(0,229,255,.45)}
    .page-btn.active{color:#fff;background:linear-gradient(135deg,var(--primary),rgba(0,229,255,.18));border-color:rgba(180,60,255,.62)}
    .process-grid{
      display:grid;
      grid-template-columns:1.05fr .95fr;
      gap:24px;
      align-items:stretch;
    }
    .steps{
      counter-reset:step;
      display:grid;
      gap:14px;
    }
    .step{
      counter-increment:step;
      display:grid;
      grid-template-columns:48px 1fr;
      gap:14px;
      padding:17px;
      border:1px solid rgba(255,255,255,.1);
      border-radius:20px;
      background:rgba(255,255,255,.04);
    }
    .step::before{
      content:counter(step,decimal-leading-zero);
      width:48px;height:48px;border-radius:16px;
      display:grid;place-items:center;
      color:#fff;
      font-weight:900;
      background:linear-gradient(135deg,rgba(180,60,255,.92),rgba(0,229,255,.25));
      border:1px solid rgba(255,255,255,.14);
    }
    .step h3{font-size:18px;margin:0 0 4px}
    .step p{color:var(--muted);margin:0;font-size:14px}
    .cta-panel{
      border:1px solid rgba(0,229,255,.18);
      border-radius:26px;
      padding:26px;
      background:
        radial-gradient(circle at 88% 18%,rgba(0,229,255,.14),transparent 32%),
        linear-gradient(135deg,rgba(180,60,255,.15),rgba(255,255,255,.035));
      box-shadow:var(--shadow);
      position:relative;
      overflow:hidden;
    }
    .cta-panel::after{
      content:"";
      position:absolute;
      width:160px;height:160px;border-radius:50%;
      right:-70px;bottom:-70px;
      border:1px solid rgba(0,229,255,.28);
      box-shadow:0 0 60px rgba(0,229,255,.09) inset;
    }
    .cta-panel h2{font-size:30px;line-height:1.22;margin:10px 0}
    .cta-panel p{color:var(--muted)}
    .faq-wrap{
      display:grid;
      grid-template-columns:.35fr .65fr;
      gap:24px;
      align-items:start;
    }
    .privacy-card{
      border:1px solid rgba(255,255,255,.11);
      border-radius:24px;
      padding:22px;
      background:
        linear-gradient(135deg,rgba(255,77,109,.09),transparent 42%),
        rgba(255,255,255,.04);
      box-shadow:var(--shadow);
    }
    .privacy-card h2{font-size:28px;line-height:1.2;margin:12px 0}
    .privacy-card p{color:var(--muted)}
    .privacy-list{display:grid;gap:10px;margin-top:16px}
    .privacy-list div{
      display:flex;gap:9px;align-items:flex-start;
      color:var(--muted);
      font-size:14px;
      padding:10px;
      border-radius:14px;
      background:rgba(0,0,0,.18);
      border:1px solid rgba(255,255,255,.08);
    }
    .privacy-list i{
      width:8px;height:8px;border-radius:50%;background:var(--warn);
      margin-top:9px;flex:0 0 auto;
      box-shadow:0 0 12px rgba(255,77,109,.5);
    }
    .faq-list{display:grid;gap:12px}
    .faq-item{
      border:1px solid rgba(255,255,255,.1);
      border-radius:18px;
      background:rgba(255,255,255,.04);
      overflow:hidden;
      transition:border-color .2s ease,background .2s ease;
    }
    .faq-question{
      width:100%;
      min-height:58px;
      display:flex;
      align-items:center;
      justify-content:space-between;
      gap:14px;
      color:var(--text);
      border:0;
      background:transparent;
      padding:16px 18px;
      text-align:left;
      font-weight:800;
    }
    .faq-question .arrow{
      width:28px;height:28px;border-radius:50%;
      display:grid;place-items:center;
      color:var(--cyan);
      border:1px solid rgba(0,229,255,.24);
      transition:transform .2s ease,background .2s ease;
      flex:0 0 auto;
    }
    .faq-answer{
      max-height:0;
      overflow:hidden;
      transition:max-height .22s ease;
    }
    .faq-answer p{
      margin:0 18px 18px;
      padding-left:14px;
      color:var(--muted);
      border-left:3px solid var(--cyan);
    }
    .faq-item.active{
      border-color:rgba(0,229,255,.42);
      background:rgba(0,229,255,.045);
    }
    .faq-item.active .faq-answer{max-height:180px}
    .faq-item.active .arrow{transform:rotate(180deg);background:rgba(0,229,255,.1)}
    .site-footer{
      background:#05060A;
      border-top:1px solid rgba(255,255,255,.08);
      padding:54px 0 26px;
      position:relative;
      overflow:hidden;
    }
    .site-footer::before{
      content:"";
      position:absolute;
      inset:0;
      opacity:.18;
      background-image:
        linear-gradient(rgba(0,229,255,.12) 1px,transparent 1px),
        linear-gradient(90deg,rgba(180,60,255,.10) 1px,transparent 1px);
      background-size:42px 42px;
      pointer-events:none;
    }
    .footer-grid{
      position:relative;
      display:grid;
      grid-template-columns:minmax(0,1fr) 420px;
      gap:36px;
      align-items:start;
    }
    .footer-brand{font-size:22px;font-weight:900;margin-bottom:10px}
    .footer-text{color:var(--muted);max-width:690px;margin:0}
    .footer-links{
      display:grid;
      grid-template-columns:repeat(2,1fr);
      gap:10px;
    }
    .footer-links a{
      color:var(--muted);
      border:1px solid rgba(255,255,255,.09);
      border-radius:14px;
      padding:10px 12px;
      background:rgba(255,255,255,.03);
      transition:.2s ease;
    }
    .footer-links a:hover{
      color:var(--cyan);
      border-color:rgba(0,229,255,.35);
      transform:translateY(-1px);
    }
    .copyright{
      position:relative;
      display:flex;
      justify-content:space-between;
      gap:18px;
      flex-wrap:wrap;
      color:var(--weak);
      font-size:13px;
      padding-top:24px;
      margin-top:30px;
      border-top:1px solid rgba(255,255,255,.08);
    }
    .modal-mask{
      position:fixed;
      inset:0;
      background:rgba(0,0,0,.72);
      z-index:100;
      display:none;
      align-items:center;
      justify-content:center;
      padding:20px;
    }
    .modal-mask.open{display:flex}
    .modal{
      width:min(640px,100%);
      border:1px solid rgba(180,60,255,.45);
      border-radius:24px;
      background:
        linear-gradient(135deg,rgba(180,60,255,.18),transparent 36%),
        #11131D;
      box-shadow:0 26px 90px rgba(0,0,0,.55);
      padding:22px;
      position:relative;
    }
    .modal-head{display:flex;justify-content:space-between;gap:14px;align-items:flex-start;margin-bottom:16px}
    .modal-head h2{font-size:24px;margin:0 0 4px}
    .modal-head p{color:var(--muted);margin:0;font-size:14px}
    .close-btn{
      width:42px;height:42px;border-radius:50%;
      border:1px solid rgba(255,255,255,.12);
      background:rgba(255,255,255,.04);
      color:var(--text);
      transition:.2s ease;
      flex:0 0 auto;
    }
    .close-btn:hover{color:var(--cyan);border-color:rgba(0,229,255,.45)}
    @media (max-width:1024px){
      .brand-note{display:none}
      .hero-grid,.content-layout,.process-grid,.faq-wrap,.footer-grid{grid-template-columns:1fr}
      .side-stack{position:static}
      .fold-panel{grid-template-columns:repeat(2,1fr)}
      .section{padding:62px 0}
    }
    @media (max-width:768px){
      .container{width:min(calc(100% - 28px),var(--max))}
      .brand-row{min-height:64px}
      .brand-text{font-size:16px;max-width:58vw}
      .top-actions .mini-link:not(button){display:none}
      .category-hero{padding:44px 0 30px}
      .category-hero::before{inset:12px 10px 0;border-radius:22px}
      .hero-actions .btn{width:100%}
      .section-head{display:block}
      .fold-panel{grid-template-columns:1fr}
      .check-item{grid-template-columns:36px 1fr}
      .check-item .state-dot{display:none}
      .footer-links{grid-template-columns:1fr}
      .copyright{display:block}
      .copyright span{display:block;margin-top:8px}
      .modal-mask{align-items:flex-end;padding:0}
      .modal{border-radius:22px 22px 0 0;padding:20px 16px;max-height:88vh;overflow:auto}
    }
    @media (max-width:520px){
      .channel{padding:8px 12px}
      .trust-strip{display:grid;grid-template-columns:1fr}
      .info-card{padding:18px}
      .info-card h3{font-size:20px}
      .cta-panel h2{font-size:25px}
      .pagination{justify-content:flex-start}
    }