/* roulang page: index */
:root{
      --bg:#09070D;
      --bg-2:#120812;
      --bg-3:#171018;
      --panel:rgba(25, 15, 28, .82);
      --panel-2:rgba(38, 22, 42, .72);
      --text:#F8F3F7;
      --muted:#B8A9B6;
      --weak:#766B78;
      --primary:#FF2D75;
      --primary-2:#E235FF;
      --accent:#FFB020;
      --safe:#2EE6A6;
      --violet:#8B5CF6;
      --line:rgba(255,45,117,.24);
      --line-2:rgba(255,255,255,.10);
      --radius-lg:28px;
      --radius-md:20px;
      --radius-sm:14px;
      --shadow:0 28px 80px rgba(255,45,117,.16);
      --shadow-soft:0 18px 50px rgba(0,0,0,.38);
      --container:1220px;
    }
    *{box-sizing:border-box}
    html{scroll-behavior:smooth}
    body{
      margin:0;
      font-family:PingFang SC,Microsoft YaHei,Noto Sans SC,system-ui,-apple-system,BlinkMacSystemFont,sans-serif;
      color:var(--text);
      background:
        radial-gradient(circle at 50% -10%, rgba(255,45,117,.30), transparent 38%),
        radial-gradient(circle at 88% 18%, rgba(226,53,255,.18), transparent 32%),
        radial-gradient(circle at 10% 40%, rgba(255,176,32,.10), transparent 24%),
        linear-gradient(180deg,#09070D 0%,#120812 48%,#09070D 100%);
      line-height:1.65;
      overflow-x:hidden;
    }
    body:before{
      content:"";
      position:fixed;
      inset:0;
      pointer-events:none;
      z-index:-1;
      background:
        linear-gradient(rgba(255,255,255,.025) 1px, transparent 1px),
        linear-gradient(90deg, rgba(255,255,255,.018) 1px, transparent 1px);
      background-size:48px 48px;
      mask-image:linear-gradient(to bottom, rgba(0,0,0,.8), rgba(0,0,0,.15));
    }
    body:after{
      content:"";
      position:fixed;
      inset:0;
      pointer-events:none;
      z-index:-1;
      opacity:.18;
      background-image:url("data:image/svg+xml,%3Csvg viewBox='0 0 240 240' xmlns='http://www.w3.org/2000/svg'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='.9' numOctaves='2' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='240' height='240' filter='url(/%23n)' opacity='.35'/%3E%3C/svg%3E");
    }
    a{color:inherit;text-decoration:none}
    button,input{font:inherit}
    button{cursor:pointer}
    .container{width:min(var(--container), calc(100% - 32px));margin:0 auto}
    .age-strip{
      position:relative;
      z-index:50;
      border-bottom:1px solid var(--line-2);
      background:rgba(9,7,13,.86);
      backdrop-filter:blur(16px);
    }
    .age-strip-inner{
      min-height:38px;
      display:flex;
      align-items:center;
      justify-content:center;
      gap:12px;
      color:var(--muted);
      font-size:13px;
      text-align:center;
    }
    .dot{width:8px;height:8px;border-radius:99px;background:var(--safe);box-shadow:0 0 18px rgba(46,230,166,.8)}
    .site-header{
      position:sticky;
      top:0;
      z-index:40;
      border-bottom:1px solid rgba(255,255,255,.08);
      background:rgba(9,7,13,.76);
      backdrop-filter:blur(22px);
      transition:background .25s ease,border-color .25s ease;
    }
    .nav-wrap{
      height:76px;
      display:flex;
      align-items:center;
      justify-content:space-between;
      gap:22px;
    }
    .brand{
      display:flex;
      align-items:center;
      gap:12px;
      min-width:max-content;
      font-weight:900;
      letter-spacing:-.03em;
    }
    .brand-icon{
      width:42px;height:42px;border-radius:16px;
      display:grid;place-items:center;
      background:
        radial-gradient(circle at 70% 20%, rgba(255,176,32,.9), transparent 24%),
        linear-gradient(135deg,var(--primary),var(--primary-2));
      box-shadow:0 0 34px rgba(255,45,117,.36);
      position:relative;
      overflow:hidden;
    }
    .brand-icon:before{
      content:"";
      width:0;height:0;
      border-top:8px solid transparent;
      border-bottom:8px solid transparent;
      border-left:13px solid #fff;
      transform:translateX(2px);
      filter:drop-shadow(0 0 10px rgba(255,255,255,.45));
    }
    .brand-text{font-size:16px;line-height:1.18}
    .nav-links{display:flex;align-items:center;gap:6px}
    .nav-links a{
      padding:10px 14px;
      border:1px solid transparent;
      border-radius:999px;
      color:var(--muted);
      font-size:14px;
      transition:all .2s ease;
    }
    .nav-links a:hover,.nav-links a.active{
      color:var(--text);
      border-color:var(--line);
      background:rgba(255,45,117,.10);
    }
    .nav-actions{display:flex;align-items:center;gap:10px}
    .search-box{
      width:260px;height:42px;
      display:flex;align-items:center;gap:8px;
      padding:0 14px;
      border:1px solid rgba(255,255,255,.12);
      border-radius:999px;
      background:rgba(255,255,255,.05);
      color:var(--muted);
      transition:all .2s ease;
    }
    .search-box:focus-within{border-color:rgba(255,45,117,.55);box-shadow:0 0 0 4px rgba(255,45,117,.12)}
    .search-box input{width:100%;border:0;outline:0;background:transparent;color:var(--text);font-size:13px}
    .search-box input::placeholder{color:var(--weak)}
    .btn{
      display:inline-flex;align-items:center;justify-content:center;gap:8px;
      min-height:44px;
      padding:0 18px;
      border-radius:999px;
      border:1px solid rgba(255,255,255,.14);
      background:rgba(255,255,255,.06);
      color:var(--text);
      font-weight:800;
      font-size:14px;
      transition:transform .2s ease,border-color .2s ease,box-shadow .2s ease,background .2s ease;
      white-space:nowrap;
    }
    .btn:hover{transform:translateY(-2px);border-color:rgba(255,45,117,.5);box-shadow:0 16px 36px rgba(255,45,117,.18)}
    .btn-primary{
      border:0;
      background:linear-gradient(135deg,var(--primary),var(--primary-2) 55%,var(--accent));
      box-shadow:0 16px 44px rgba(255,45,117,.34);
    }
    .btn-primary:hover{box-shadow:0 20px 58px rgba(255,45,117,.46)}
    .btn-ghost{background:rgba(255,255,255,.04)}
    .menu-btn{display:none;width:44px;height:44px;border-radius:14px;border:1px solid rgba(255,255,255,.12);background:rgba(255,255,255,.05);color:var(--text)}
    .mobile-panel{display:none;border-top:1px solid rgba(255,255,255,.08);padding:14px 0 20px}
    .mobile-panel.open{display:block}
    .mobile-panel a{display:flex;min-height:46px;align-items:center;border-radius:14px;padding:0 14px;color:var(--muted)}
    .mobile-panel a.active,.mobile-panel a:hover{background:rgba(255,45,117,.12);color:var(--text)}
    .section{padding:88px 0;position:relative}
    .hero{
      padding:86px 0 72px;
      position:relative;
      overflow:hidden;
    }
    .hero:before{
      content:"";
      position:absolute;
      left:50%;top:38px;
      width:min(900px,90vw);height:420px;
      transform:translateX(-50%) skewY(-5deg);
      background:radial-gradient(ellipse at center,rgba(255,45,117,.28),rgba(226,53,255,.12) 42%,transparent 72%);
      filter:blur(6px);
      pointer-events:none;
    }
    .stage-layout{
      position:relative;
      display:grid;
      grid-template-columns:1fr minmax(420px,560px) 1fr;
      align-items:center;
      gap:26px;
    }
    .hero-side{
      display:grid;
      gap:16px;
    }
    .side-note,.stage-card,.card,.panel{
      border:1px solid var(--line-2);
      background:linear-gradient(180deg,rgba(255,255,255,.075),rgba(255,255,255,.035));
      box-shadow:var(--shadow-soft);
      backdrop-filter:blur(16px);
    }
    .side-note{
      border-radius:22px;
      padding:18px;
      position:relative;
      overflow:hidden;
    }
    .side-note:hover,.card:hover,.entry-card:hover,.news-item:hover{
      border-color:rgba(255,45,117,.52);
      transform:translateY(-3px);
      box-shadow:0 24px 70px rgba(255,45,117,.14);
    }
    .eyebrow,.badge{
      display:inline-flex;align-items:center;gap:7px;
      min-height:28px;
      padding:4px 10px;
      border-radius:999px;
      border:1px solid rgba(255,255,255,.12);
      background:rgba(255,255,255,.06);
      color:var(--muted);
      font-size:12px;
      font-weight:800;
      letter-spacing:.04em;
    }
    .badge.hot{border-color:rgba(255,45,117,.42);background:rgba(255,45,117,.12);color:#ffd5e3}
    .badge.safe{border-color:rgba(46,230,166,.38);background:rgba(46,230,166,.10);color:#bafce6}
    .badge.amber{border-color:rgba(255,176,32,.42);background:rgba(255,176,32,.10);color:#ffe1a2}
    .side-note h3{font-size:18px;font-weight:900;margin:12px 0 6px}
    .side-note p{color:var(--muted);font-size:14px;margin:0}
    .stage-card{
      border-radius:34px;
      min-height:560px;
      padding:26px;
      position:relative;
      overflow:hidden;
      isolation:isolate;
    }
    .stage-card:before{
      content:"";
      position:absolute;
      inset:-2px;
      background:
        linear-gradient(120deg,rgba(255,45,117,.16),transparent 30%,rgba(255,176,32,.12) 70%,transparent),
        radial-gradient(circle at 50% 0%,rgba(226,53,255,.28),transparent 40%);
      z-index:-1;
    }
    .stage-top{display:flex;justify-content:space-between;align-items:center;gap:12px;margin-bottom:22px}
    .h1{
      margin:0;
      font-size:clamp(36px,5vw,64px);
      line-height:1.08;
      letter-spacing:-.06em;
      font-weight:950;
      text-align:center;
    }
    .hero-desc{
      max-width:720px;
      margin:18px auto 0;
      text-align:center;
      color:var(--muted);
      font-size:17px;
    }
    .stage-screen{
      margin:28px 0;
      border-radius:26px;
      border:1px solid rgba(255,45,117,.28);
      background:
        linear-gradient(135deg,rgba(255,45,117,.18),transparent 35%),
        linear-gradient(180deg,rgba(255,255,255,.08),rgba(255,255,255,.025));
      min-height:210px;
      display:grid;
      place-items:center;
      box-shadow:inset 0 0 0 1px rgba(255,255,255,.05),0 0 56px rgba(255,45,117,.18);
      position:relative;
      overflow:hidden;
    }
    .stage-screen:after{
      content:"";
      position:absolute;
      inset:0;
      background:repeating-linear-gradient(110deg,transparent 0 18px,rgba(255,255,255,.035) 19px 20px);
      opacity:.45;
    }
    .screen-mark{
      position:relative;
      z-index:1;
           width:132px;height:132px;border-radius:34px;
      display:grid;place-items:center;
      background:linear-gradient(135deg,rgba(255,45,117,.94),rgba(226,53,255,.88) 58%,rgba(255,176,32,.92));
      box-shadow:0 24px 80px rgba(255,45,117,.42);
    }
    .screen-mark:before{
      content:"";
      width:0;height:0;border-top:22px solid transparent;border-bottom:22px solid transparent;border-left:34px solid #fff;
      transform:translateX(5px);
      filter:drop-shadow(0 0 14px rgba(255,255,255,.5));
    }
    .hero-ctas{display:flex;justify-content:center;gap:12px;flex-wrap:wrap}
    .metric-row{display:grid;grid-template-columns:repeat(3,1fr);gap:12px;margin-top:22px}
    .metric{
      border:1px solid rgba(255,255,255,.10);
      background:rgba(0,0,0,.18);
      border-radius:18px;
      padding:14px;
      text-align:center;
    }
    .metric strong{display:block;font-size:22px;line-height:1;color:var(--text)}
    .metric span{display:block;margin-top:6px;color:var(--muted);font-size:12px}
    .section-head{display:flex;align-items:end;justify-content:space-between;gap:24px;margin-bottom:30px}
    .section-head h2{font-size:clamp(26px,3.2vw,42px);line-height:1.12;margin:0;font-weight:950;letter-spacing:-.045em}
    .section-head p{max-width:610px;color:var(--muted);margin:0;font-size:16px}
    .band{
      background:linear-gradient(180deg,rgba(255,45,117,.055),rgba(255,255,255,.015));
      border-top:1px solid rgba(255,255,255,.08);
      border-bottom:1px solid rgba(255,255,255,.08);
    }
    .entry-grid{
      display:grid;
      grid-template-columns:1.18fr .82fr;
      gap:22px;
    }
    .entry-main,.entry-stack,.milestone-panel,.guarantee-panel,.app-card,.cta-card{
      border:1px solid var(--line-2);
      background:linear-gradient(180deg,rgba(255,255,255,.07),rgba(255,255,255,.03));
      border-radius:var(--radius-lg);
      box-shadow:var(--shadow-soft);
    }
    .entry-main{padding:28px;min-height:360px;position:relative;overflow:hidden}
    .entry-main:before{
      content:"";
      position:absolute;right:-80px;top:-90px;width:280px;height:280px;border-radius:999px;
      background:radial-gradient(circle,rgba(255,45,117,.35),transparent 68%);
    }
    .entry-main h3{font-size:30px;line-height:1.15;margin:18px 0 10px;font-weight:950}
    .entry-main p{color:var(--muted);max-width:680px;margin:0 0 22px}
    .entry-chips{display:flex;gap:10px;flex-wrap:wrap;margin:18px 0 0}
    .entry-stack{padding:18px;display:grid;gap:14px}
    .entry-card{
      border:1px solid rgba(255,255,255,.10);
      border-radius:22px;
      padding:18px;
      background:rgba(0,0,0,.16);
      transition:all .22s ease;
    }
    .entry-card h4{margin:10px 0 6px;font-size:18px;font-weight:900}
    .entry-card p{margin:0;color:var(--muted);font-size:14px}
    .story-wrap{
      display:grid;
      grid-template-columns:.95fr 1.05fr;
      gap:24px;
      align-items:stretch;
    }
    .review-panel{
      border:1px solid rgba(255,45,117,.22);
      border-radius:var(--radius-lg);
      padding:28px;
      background:
        linear-gradient(135deg,rgba(255,45,117,.12),transparent 38%),
        rgba(255,255,255,.04);
      position:relative;
      overflow:hidden;
    }
    .review-panel h3{font-size:28px;font-weight:950;margin:16px 0 12px;letter-spacing:-.03em}
    .review-panel p{color:var(--muted);margin:0}
    .param-list{display:grid;gap:12px;margin-top:26px}
    .param{
      display:flex;align-items:center;justify-content:space-between;gap:14px;
      border:1px solid rgba(255,255,255,.10);
      border-radius:16px;
      padding:13px 14px;
      background:rgba(0,0,0,.18);
    }
    .param span{color:var(--muted);font-size:14px}
    .param b{font-size:13px;color:var(--safe)}
    .idea-list{display:grid;gap:16px}
    .idea{
      display:grid;grid-template-columns:52px 1fr;gap:16px;
      border:1px solid rgba(255,255,255,.10);
      border-radius:24px;
      padding:20px;
      background:rgba(255,255,255,.045);
      transition:all .2s ease;
    }
    .idea:hover{border-color:rgba(255,176,32,.38);transform:translateX(4px)}
    .num{
      width:52px;height:52px;border-radius:18px;display:grid;place-items:center;
      background:rgba(255,176,32,.12);
      border:1px solid rgba(255,176,32,.28);
      color:#ffe0a0;font-weight:950;
    }
    .idea h3{margin:0 0 6px;font-size:20px;font-weight:900}
    .idea p{margin:0;color:var(--muted);font-size:15px}
    .cards-grid{
      display:grid;
      grid-template-columns:1.15fr .85fr;
      gap:22px;
    }
    .feature-big,.feature-card{
      position:relative;
      overflow:hidden;
      border:1px solid rgba(255,255,255,.10);
      background:linear-gradient(180deg,rgba(255,255,255,.07),rgba(255,255,255,.028));
      border-radius:var(--radius-lg);
      padding:24px;
      transition:all .22s ease;
    }
    .feature-big{min-height:388px}
    .feature-big:before,.feature-card:before{
      content:"";
      position:absolute;left:0;right:0;top:0;height:3px;
      background:linear-gradient(90deg,var(--primary),var(--primary-2),var(--accent));
      opacity:.75;
    }
    .feature-big:hover,.feature-card:hover{transform:translateY(-4px);border-color:rgba(255,45,117,.50);box-shadow:var(--shadow)}
    .feature-big h3{font-size:32px;font-weight:950;line-height:1.14;margin:18px 0 12px}
    .feature-big p,.feature-card p{color:var(--muted);margin:0}
    .feature-aside{display:grid;gap:22px}
    .mini-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:16px;margin-top:22px}
    .mini{
      border:1px solid rgba(255,255,255,.10);
      border-radius:20px;
      padding:16px;
      background:rgba(0,0,0,.18);
    }
    .mini h4{margin:10px 0 6px;font-size:16px;font-weight:900}
    .mini p{font-size:13px;color:var(--muted);margin:0}
    .milestone-panel{padding:26px}
    .timeline{display:grid;gap:16px;position:relative}
    .timeline-item{
      display:grid;
      grid-template-columns:120px 1fr;
      gap:18px;
      padding:18px;
      border:1px solid rgba(255,255,255,.10);
      border-radius:22px;
      background:rgba(0,0,0,.16);
    }
    .timeline-item time{font-weight:950;color:#ffd2df}
    .timeline-item h3{margin:0 0 6px;font-weight:900;font-size:19px}
    .timeline-item p{margin:0;color:var(--muted);font-size:14px}
    .news-layout{
      display:grid;
      grid-template-columns:1fr 360px;
      gap:24px;
    }
    .news-list{display:grid;gap:14px}
    .news-item{
      display:grid;
      grid-template-columns:auto 1fr auto;
      gap:16px;
      align-items:center;
      padding:18px;
      border:1px solid rgba(255,255,255,.10);
      border-radius:22px;
      background:rgba(255,255,255,.045);
      transition:all .22s ease;
    }
    .news-index{
      width:42px;height:42px;border-radius:14px;display:grid;place-items:center;
      background:rgba(255,45,117,.12);
      border:1px solid rgba(255,45,117,.28);
      font-weight:950;
    }
    .news-item h3{margin:0 0 4px;font-size:18px;font-weight:900}
    .news-item p{margin:0;color:var(--muted);font-size:14px}
    .arrow{color:var(--accent);font-weight:950}
    .recommend{
      border:1px solid rgba(255,176,32,.22);
      border-radius:var(--radius-lg);
      padding:24px;
      background:linear-gradient(180deg,rgba(255,176,32,.09),rgba(255,255,255,.03));
      align-self:start;
      position:sticky;
      top:100px;
    }
    .recommend h3{margin:14px 0 10px;font-size:23px;font-weight:950}
    .recommend p{margin:0 0 18px;color:var(--muted)}
    .progress-list{display:grid;gap:14px;margin-top:18px}
    .progress-item{
      border:1px solid rgba(255,255,255,.10);
      border-radius:18px;
      padding:16px;
      background:rgba(0,0,0,.18);
    }
    .progress-top{display:flex;justify-content:space-between;gap:12px;margin-bottom:10px;font-size:14px}
    .progress-track{height:8px;border-radius:99px;background:rgba(255,255,255,.09);overflow:hidden}
    .progress-fill{height:100%;border-radius:99px;background:linear-gradient(90deg,var(--primary),var(--accent))}
    .guarantee-grid{
      display:grid;
      grid-template-columns:repeat(4,1fr);
      gap:16px;
    }
    .guarantee-panel{padding:22px;transition:all .22s ease}
    .guarantee-panel:hover{border-color:rgba(46,230,166,.42);transform:translateY(-3px)}
    .guarantee-panel h3{margin:14px 0 7px;font-size:18px;font-weight:900}
    .guarantee-panel p{margin:0;color:var(--muted);font-size:14px}
    .faq-wrap{
      display:grid;
      grid-template-columns:.9fr 1.1fr;
      gap:24px;
      align-items:start;
    }
    .faq-intro{
      border:1px solid rgba(255,255,255,.10);
      border-radius:var(--radius-lg);
      padding:26px;
      background:rgba(255,255,255,.045);
    }
    .faq-intro h2{font-size:34px;line-height:1.12;font-weight:950;margin:14px 0 10px;letter-spacing:-.04em}
    .faq-intro p{color:var(--muted);margin:0}
    .faq-list{display:grid;gap:12px}
    .faq-item{
      border:1px solid rgba(255,255,255,.10);
      border-radius:20px;
      background:rgba(0,0,0,.18);
      overflow:hidden;
    }
    .faq-q{
      width:100%;
      display:flex;align-items:center;justify-content:space-between;gap:16px;
      padding:18px 20px;
      border:0;background:transparent;color:var(--text);
      font-weight:900;text-align:left;
    }
    .faq-a{display:none;padding:0 20px 18px;color:var(--muted);font-size:15px}
    .faq-item.open{border-color:rgba(255,45,117,.35);background:rgba(255,45,117,.055)}
    .faq-item.open .faq-a{display:block}
    .app-card{
      padding:30px;
      display:grid;
      grid-template-columns:1.1fr .9fr;
      gap:24px;
      align-items:center;
      position:relative;
      overflow:hidden;
    }
    .app-card:before{
      content:"";
      position:absolute;right:-120px;bottom:-140px;width:420px;height:420px;border-radius:999px;
      background:radial-gradient(circle,rgba(255,45,117,.28),transparent 68%);
    }
    .app-card h2{font-size:clamp(28px,3.2vw,44px);line-height:1.12;font-weight:950;margin:14px 0 12px;letter-spacing:-.045em}
    .app-card p{color:var(--muted);margin:0 0 22px}
    .subscribe{
      display:flex;
      gap:10px;
      padding:8px;
      border:1px solid rgba(255,255,255,.12);
      background:rgba(0,0,0,.24);
      border-radius:999px;
      max-width:560px;
    }
    .subscribe input{flex:1;min-width:0;border:0;outline:0;background:transparent;color:var(--text);padding:0 14px}
    .subscribe input::placeholder{color:var(--weak)}
    .app-panel{
      position:relative;
      z-index:1;
      display:grid;
      gap:14px;
    }
    .check{
      display:flex;align-items:center;gap:12px;
      padding:15px;
      border:1px solid rgba(255,255,255,.10);
      border-radius:18px;
      background:rgba(255,255,255,.045);
      color:var(--muted);
    }
    .check b{color:var(--text)}
    .site-footer{
      padding:48px 0 28px;
      border-top:1px solid rgba(255,255,255,.09);
      background:linear-gradient(180deg,rgba(9,7,13,.62),rgba(0,0,0,.72));
    }
    .footer-grid{
      display:grid;
      grid-template-columns:1.2fr .8fr .8fr;
      gap:28px;
      align-items:start;
    }
    .footer-brand{display:flex;align-items:center;gap:12px;font-weight:950;margin-bottom:14px}
    .footer-text{color:var(--muted);margin:0;max-width:520px}
    .footer-title{font-weight:900;margin-bottom:12px}
    .footer-links{display:grid;gap:10px}
    .footer-links a{color:var(--muted);font-size:14px;transition:color .2s ease}
    .footer-links a:hover{color:var(--text)}
    .copyright{
      display:flex;justify-content:space-between;gap:16px;flex-wrap:wrap;
      margin-top:34px;padding-top:22px;border-top:1px solid rgba(255,255,255,.08);
      color:var(--weak);font-size:13px;
    }
    .focus-ring:focus-visible,.btn:focus-visible,.faq-q:focus-visible,.menu-btn:focus-visible{
      outline:3px solid rgba(255,45,117,.42);
      outline-offset:3px;
    }
    @media (max-width:1100px){
      .stage-layout{grid-template-columns:1fr;max-width:820px;margin:0 auto}
      .hero-side{grid-template-columns:repeat(2,1fr)}
      .stage-card{order:-1;min-height:auto}
      .nav-links,.search-box,.nav-actions .btn-ghost{display:none}
      .menu-btn{display:inline-grid;place-items:center}
      .entry-grid,.story-wrap,.cards-grid,.news-layout,.faq-wrap,.app-card{grid-template-columns:1fr}
      .recommend{position:relative;top:auto}
      .guarantee-grid{grid-template-columns:repeat(2,1fr)}
    }
    @media (max-width:768px){
      .container{width:min(100% - 28px,var(--container))}
      .nav-wrap{height:68px}
      .brand-text{font-size:14px;max-width:190px}
      .hero{padding:56px 0 48px}
      .section{padding:62px 0}
      .section-head{display:block}
      .section-head p{margin-top:12px}
      .hero-side{grid-template-columns:1fr}
      .stage-card{padding:18px;border-radius:24px}
      .stage-screen{min-height:170px;margin:20px 0}
      .screen-mark{width:104px;height:104px;border-radius:28px}
      .metric-row,.mini-grid,.guarantee-grid{grid-template-columns:1fr}
      .timeline-item{grid-template-columns:1fr;gap:8px}
      .news-item{grid-template-columns:1fr;align-items:start}
      .subscribe{border-radius:22px;display:grid}
      .subscribe .btn{width:100%}
      .footer-grid{grid-template-columns:1fr}
      .copyright{display:block}
      .copyright span{display:block;margin-top:8px}
    }
    @media (max-width:520px){
      .age-strip-inner{font-size:12px;line-height:1.45;padding:8px 0}
      .brand-icon{width:38px;height:38px;border-radius:14px}
      .nav-actions .btn-primary{display:none}
      .h1{text-align:left;font-size:34px}
      .hero-desc{text-align:left;font-size:15px}
      .hero-ctas{justify-content:flex-start}
      .btn{width:100%}
      .stage-top{display:grid}
      .entry-main,.review-panel,.milestone-panel,.app-card{padding:20px;border-radius:22px}
      .feature-big h3{font-size:25px}
    }

/* roulang page: category1 */
:root{
      --bg:#09070d;
      --bg2:#120812;
      --panel:#15101a;
      --panel2:#1b1220;
      --line:rgba(255,255,255,.10);
      --line2:rgba(255,45,117,.26);
      --text:#f8f3f7;
      --muted:#b8a9b6;
      --weak:#766b78;
      --accent:#ff2d75;
      --accent2:#e235ff;
      --accent3:#8b5cf6;
      --ok:#2ee6a6;
      --warn:#ffb020;
      --shadow:0 24px 80px rgba(0,0,0,.45);
      --radius:24px;
    }
    *{box-sizing:border-box}
    html{scroll-behavior:smooth}
    body{
      margin:0;
      color:var(--text);
      background:
        radial-gradient(1200px 600px at 15% 0%, rgba(226,53,255,.16), transparent 60%),
        radial-gradient(900px 520px at 85% 8%, rgba(255,45,117,.13), transparent 56%),
        radial-gradient(900px 620px at 50% 100%, rgba(139,92,246,.10), transparent 60%),
        linear-gradient(180deg, #09070d 0%, #120812 54%, #09070d 100%);
      font-family:PingFang SC, Microsoft YaHei, Noto Sans SC, system-ui, sans-serif;
      line-height:1.65;
      overflow-x:hidden;
    }
    body::before{
      content:"";
      position:fixed;
      inset:0;
      pointer-events:none;
      background:
        linear-gradient(rgba(255,255,255,.02), rgba(255,255,255,0)),
        repeating-linear-gradient(90deg, rgba(255,255,255,.018) 0 1px, transparent 1px 120px),
        repeating-linear-gradient(0deg, rgba(255,255,255,.014) 0 1px, transparent 1px 120px);
      mask-image: radial-gradient(circle at center, black 35%, transparent 100%);
      opacity:.22;
      z-index:0;
    }
    body::after{
      content:"";
      position:fixed;
      inset:-20%;
      pointer-events:none;
      background:
        radial-gradient(circle at 20% 20%, rgba(255,45,117,.12), transparent 18%),
        radial-gradient(circle at 80% 30%, rgba(226,53,255,.09), transparent 16%),
        radial-gradient(circle at 50% 70%, rgba(46,230,166,.06), transparent 18%);
      filter:blur(30px);
      opacity:.55;
      z-index:0;
    }
    a,button,input,summary{transition:all .22s ease}
    a{text-decoration:none;color:inherit}
    img{max-width:100%;display:block}
    .site-shell{position:relative;z-index:1}
    .container{
      width:min(1280px, calc(100% - 32px));
      margin:0 auto;
    }
    .top-strip{
      background:linear-gradient(90deg, rgba(255,45,117,.12), rgba(226,53,255,.08), rgba(46,230,166,.10));
      border-bottom:1px solid rgba(255,255,255,.08);
      backdrop-filter:blur(14px);
    }
    .status-badge{
      display:inline-flex;
      align-items:center;
      gap:.45rem;
      padding:.45rem .8rem;
      border-radius:999px;
      font-size:.78rem;
      letter-spacing:.04em;
      border:1px solid rgba(255,255,255,.10);
      background:rgba(255,255,255,.04);
      color:var(--text);
      white-space:nowrap;
    }
    .status-dot{
      width:.5rem;height:.5rem;border-radius:999px;
      background:var(--ok);
      box-shadow:0 0 0 4px rgba(46,230,166,.14);
    }
    .status-dot.pink{background:var(--accent);box-shadow:0 0 0 4px rgba(255,45,117,.14);}
    .status-dot.orange{background:var(--warn);box-shadow:0 0 0 4px rgba(255,176,32,.14);}
    .site-header{
      position:sticky;
      top:0;
      z-index:40;
      backdrop-filter:blur(18px);
      background:rgba(9,7,13,.82);
      border-bottom:1px solid rgba(255,255,255,.07);
    }
    .nav-links a{
      display:inline-flex;
      align-items:center;
      min-height:42px;
      padding:.55rem .95rem;
      border-radius:999px;
      font-size:.95rem;
      color:var(--muted);
      border:1px solid transparent;
    }
    .nav-links a:hover{
      color:var(--text);
      border-color:rgba(255,255,255,.10);
      background:rgba(255,255,255,.04);
      transform:translateY(-1px);
    }
    .nav-links a.active{
      color:var(--text);
      background:linear-gradient(135deg, rgba(255,45,117,.18), rgba(226,53,255,.18));
      border-color:rgba(255,45,117,.28);
      box-shadow:0 0 0 1px rgba(255,45,117,.10) inset;
    }
    .brand{
      display:inline-flex;
      align-items:center;
      gap:.78rem;
      font-weight:800;
      letter-spacing:.01em;
      color:var(--text);
      line-height:1.1;
    }
    .brand-icon{
      width:2.05rem;height:2.05rem;border-radius:.7rem;
      display:grid;place-items:center;
      background:linear-gradient(135deg, rgba(255,45,117,.9), rgba(226,53,255,.75));
      box-shadow:0 12px 30px rgba(255,45,117,.25);
      position:relative;
      flex:0 0 auto;
    }
    .brand-icon::before{
      content:"";
      position:absolute;
      inset:.42rem .55rem .42rem .55rem;
      border:1px solid rgba(255,255,255,.36);
      border-radius:.45rem;
    }
    .brand-icon::after{
      content:"";
      position:absolute;
      left:50%;top:50%;
      transform:translate(-36%,-50%);
      width:0;height:0;
      border-left:.48rem solid #fff;
      border-top:.3rem solid transparent;
      border-bottom:.3rem solid transparent;
      filter:drop-shadow(0 0 8px rgba(255,255,255,.2));
    }
    .search-box{
      display:flex;
      align-items:center;
      gap:.55rem;
      min-width:min(350px, 100%);
      padding:.55rem .85rem;
      border-radius:999px;
      background:rgba(255,255,255,.04);
      border:1px solid rgba(255,255,255,.10);
      box-shadow:inset 0 1px 0 rgba(255,255,255,.04);
    }
    .search-box svg{flex:0 0 auto;opacity:.72}
    .search-box input{
      width:100%;
      background:transparent;
      outline:none;
      border:none;
      color:var(--text);
      font-size:.95rem;
    }
    .search-box input::placeholder{color:#8e7f8c}
    .search-box:focus-within{
      border-color:rgba(255,45,117,.42);
      box-shadow:0 0 0 4px rgba(255,45,117,.12);
      background:rgba(255,255,255,.055);
    }
    .btn-ghost,.btn-primary{
      display:inline-flex;
      align-items:center;
      justify-content:center;
      min-height:44px;
      padding:.72rem 1.05rem;
      border-radius:999px;
      font-weight:700;
      font-size:.95rem;
      border:1px solid transparent;
      white-space:nowrap;
    }
    .btn-ghost{
      color:var(--text);
      border-color:rgba(255,255,255,.12);
      background:rgba(255,255,255,.03);
    }
    .btn-ghost:hover{
      background:rgba(255,255,255,.06);
      border-color:rgba(255,255,255,.22);
      transform:translateY(-1px);
    }
    .btn-primary{
      color:#fff;
      background:linear-gradient(135deg, var(--accent) 0%, var(--accent2) 60%, #ff7a2f 100%);
      box-shadow:0 16px 36px rgba(255,45,117,.24);
    }
    .btn-primary:hover{
      transform:translateY(-1px);
      filter:saturate(1.06) brightness(1.02);
      box-shadow:0 20px 42px rgba(255,45,117,.32);
    }
    .menu-btn{
      display:inline-flex;
      align-items:center;
      justify-content:center;
      width:44px;height:44px;
      border-radius:999px;
      background:rgba(255,255,255,.04);
      border:1px solid rgba(255,255,255,.10);
      color:var(--text);
    }
    .panel{
      background:linear-gradient(180deg, rgba(27,18,32,.98), rgba(18,10,23,.94));
      border:1px solid rgba(255,255,255,.09);
      box-shadow:var(--shadow), inset 0 1px 0 rgba(255,255,255,.03);
      border-radius:var(--radius);
    }
    .panel-soft{
      background:linear-gradient(180deg, rgba(255,255,255,.04), rgba(255,255,255,.02));
      border:1px solid rgba(255,255,255,.08);
      border-radius:22px;
    }
    .section-title{
      font-size:clamp(1.5rem, 2.8vw, 2.35rem);
      line-height:1.1;
      font-weight:900;
      letter-spacing:-.02em;
      color:var(--text);
    }
    .section-sub{
      color:var(--muted);
      font-size:1rem;
      max-width:68ch;
    }
    .hero-banner{
      position:relative;
      overflow:hidden;
      padding:1.2rem;
      border-radius:30px;
      border:1px solid rgba(255,255,255,.09);
      background:
        radial-gradient(800px 260px at 20% 0%, rgba(255,45,117,.22), transparent 50%),
        radial-gradient(680px 240px at 85% 8%, rgba(226,53,255,.16), transparent 50%),
        linear-gradient(180deg, rgba(24,15,28,.95), rgba(13,10,18,.95));
      box-shadow:0 34px 100px rgba(0,0,0,.44);
    }
    .hero-banner::before{
      content:"";
      position:absolute;
      inset:auto -15% -30% auto;
      width:360px;height:360px;
      background:radial-gradient(circle, rgba(255,45,117,.16), transparent 65%);
      filter:blur(14px);
      pointer-events:none;
    }
    .hero-banner::after{
      content:"";
      position:absolute;
      inset:-1px;
      border-radius:inherit;
      border:1px solid rgba(255,255,255,.04);
      pointer-events:none;
    }
    .hero-copy h1{
      font-size:clamp(2rem, 4.4vw, 4.05rem);
      line-height:1.06;
      letter-spacing:-.04em;
      font-weight:900;
    }
    .hero-copy p{
      color:var(--muted);
      font-size:1rem;
      max-width:60ch;
    }
    .hero-actions{
      display:flex;
      flex-wrap:wrap;
      gap:.8rem;
      margin-top:1.4rem;
    }
    .chip-row{
      display:flex;
      flex-wrap:wrap;
      gap:.55rem;
    }
    .chip{
      display:inline-flex;
      align-items:center;
      gap:.45rem;
      min-height:36px;
      padding:.45rem .8rem;
      border-radius:999px;
      font-size:.9rem;
      color:var(--muted);
      border:1px solid rgba(255,255,255,.10);
      background:rgba(255,255,255,.03);
      cursor:pointer;
    }
    .chip:hover{
      color:var(--text);
      border-color:rgba(255,45,117,.32);
      background:rgba(255,45,117,.08);
      transform:translateY(-1px);
    }
    .chip.active{
      color:#fff;
      background:linear-gradient(135deg, rgba(255,45,117,.20), rgba(226,53,255,.20));
      border-color:rgba(255,45,117,.30);
      box-shadow:0 0 0 1px rgba(255,45,117,.08) inset;
    }
    .glow-line{
      height:1px;
      background:linear-gradient(90deg, transparent, rgba(255,45,117,.65), rgba(226,53,255,.55), transparent);
      opacity:.85;
    }
    .entry-card{
      position:relative;
      overflow:hidden;
      height:100%;
      border-radius:24px;
      background:linear-gradient(180deg, rgba(24,16,29,.96), rgba(18,11,22,.95));
      border:1px solid rgba(255,255,255,.08);
      box-shadow:0 18px 52px rgba(0,0,0,.30);
    }
    .entry-card::before{
      content:"";
      position:absolute;
      inset:0 auto auto 0;
      width:100%;
      height:4px;
      background:linear-gradient(90deg, rgba(255,45,117,.95), rgba(226,53,255,.92), rgba(255,176,32,.82));
      opacity:.85;
    }
    .entry-card:hover{
      transform:translateY(-2px);
      border-color:rgba(255,45,117,.24);
      box-shadow:0 22px 60px rgba(0,0,0,.38), 0 0 0 1px rgba(255,45,117,.06) inset;
    }
    .entry-title{
      font-weight:800;
      font-size:1.1rem;
      line-height:1.25;
      color:var(--text);
    }
    .entry-text{
      color:var(--muted);
      font-size:.95rem;
    }
    .mini-kv{
      display:flex;
      flex-wrap:wrap;
      gap:.45rem;
      margin-top:.85rem;
    }
    .kv{
      padding:.34rem .62rem;
      border-radius:999px;
      font-size:.78rem;
      color:#f6eff4;
      background:rgba(255,255,255,.04);
      border:1px solid rgba(255,255,255,.08);
    }
    .kv.pink{border-color:rgba(255,45,117,.24);background:rgba(255,45,117,.10);}
    .kv.green{border-color:rgba(46,230,166,.22);background:rgba(46,230,166,.09);}
    .kv.orange{border-color:rgba(255,176,32,.22);background:rgba(255,176,32,.10);}
    .kv.purple{border-color:rgba(226,53,255,.22);background:rgba(226,53,255,.10);}
    .card-link{
      display:inline-flex;
      align-items:center;
      gap:.4rem;
      color:#fff;
      font-weight:700;
      font-size:.92rem;
    }
    .card-link span{
      display:inline-block;
      transition:transform .22s ease;
    }
    .entry-card:hover .card-link span{transform:translateX(3px);}
    .trust-item{
      border-radius:20px;
      border:1px solid rgba(255,255,255,.08);
      background:rgba(255,255,255,.03);
      padding:1rem 1rem 1.05rem;
      min-height:100%;
    }
    .trust-icon{
      width:2.5rem;height:2.5rem;border-radius:.9rem;
      display:grid;place-items:center;
      background:linear-gradient(135deg, rgba(255,45,117,.16), rgba(226,53,255,.16));
      border:1px solid rgba(255,255,255,.08);
      margin-bottom:.8rem;
      color:#fff;
    }
    .trust-title{
      font-weight:800;
      margin-bottom:.25rem;
    }
    .trust-text{
      color:var(--muted);
      font-size:.92rem;
    }
    .faq details{
      border-radius:18px;
      border:1px solid rgba(255,255,255,.08);
      background:rgba(255,255,255,.03);
      overflow:hidden;
    }
    .faq details + details{margin-top:.85rem;}
    .faq summary{
      list-style:none;
      cursor:pointer;
      display:flex;
      align-items:center;
      justify-content:space-between;
      gap:1rem;
      padding:1rem 1rem 1rem 1.1rem;
      color:var(--text);
      font-weight:700;
    }
    .faq summary::-webkit-details-marker{display:none}
    .faq .faq-body{
      padding:0 1.1rem 1rem;
      color:var(--muted);
      font-size:.95rem;
    }
    .cta-box{
      position:relative;
      overflow:hidden;
      border-radius:30px;
      background:
        radial-gradient(700px 260px at 20% 0%, rgba(255,45,117,.22), transparent 50%),
        radial-gradient(620px 240px at 95% 8%, rgba(255,176,32,.14), transparent 55%),
        linear-gradient(180deg, rgba(27,17,30,.96), rgba(14,9,18,.96));
      border:1px solid rgba(255,255,255,.10);
      box-shadow:0 30px 90px rgba(0,0,0,.38);
    }
    .cta-box::before{
      content:"";
      position:absolute;
      inset:0;
      background:linear-gradient(135deg, rgba(255,255,255,.05), transparent 35%);
      pointer-events:none;
    }
    .form-field{
      width:100%;
      min-height:48px;
      padding:.8rem 1rem;
      border-radius:16px;
      border:1px solid rgba(255,255,255,.10);
      background:rgba(0,0,0,.18);
      color:var(--text);
      outline:none;
    }
    .form-field::placeholder{color:#8f8291}
    .form-field:focus{
      border-color:rgba(255,45,117,.44);
      box-shadow:0 0 0 4px rgba(255,45,117,.12);
      background:rgba(255,255,255,.04);
    }
    .footer-links a{
      display:inline-flex;
      color:var(--muted);
      padding:.2rem 0;
    }
    .footer-links a:hover{color:var(--text)}
    .site-footer{
      margin-top:4rem;
      padding:3rem 0 2.2rem;
      border-top:1px solid rgba(255,255,255,.08);
      background:linear-gradient(180deg, rgba(9,7,13,.2), rgba(9,7,13,.55));
    }
    .footer-grid{
      display:grid;
      grid-template-columns:1.2fr .9fr .9fr;
      gap:1.6rem;
    }
    .footer-brand{
      display:flex;
      align-items:center;
      gap:.75rem;
      font-weight:800;
      margin-bottom:.8rem;
    }
    .footer-brand .brand-icon{width:1.95rem;height:1.95rem;border-radius:.65rem}
    .footer-text{color:var(--muted);max-width:42ch}
    .footer-title{
      font-weight:800;
      margin-bottom:.7rem;
    }
    .footer-links{
      display:flex;
      flex-direction:column;
      gap:.45rem;
    }
    .copyright{
      margin-top:1.8rem;
      padding-top:1.2rem;
      border-top:1px solid rgba(255,255,255,.08);
      display:flex;
      flex-wrap:wrap;
      justify-content:space-between;
      gap:.6rem 1rem;
      color:var(--weak);
      font-size:.92rem;
    }
    .mobile-drawer{
      display:none;
    }
    @media (max-width: 1024px){
      .container{width:min(1280px, calc(100% - 24px));}
      .search-box{min-width:240px}
      .footer-grid{grid-template-columns:1fr 1fr}
    }
    @media (max-width: 768px){
      .container{width:min(1280px, calc(100% - 20px));}
      .hero-banner{padding:1rem}
      .footer-grid{grid-template-columns:1fr}
      .copyright{flex-direction:column}
      .search-box{display:none}
      .nav-links{display:none}
      .mobile-drawer.open{display:block}
    }
    @media (max-width: 520px){
      .container{width:min(1280px, calc(100% - 16px));}
      .hero-actions{flex-direction:column}
      .hero-actions a{width:100%}
      .status-badge{font-size:.73rem}
      .chip-row{gap:.45rem}
      .chip{font-size:.84rem}
      .menu-btn{width:42px;height:42px}
    }