/* roulang page: index */
:root{
      --bg:#120A0F;
      --bg-2:#181014;
      --panel:#21131A;
      --panel-soft:rgba(255,255,255,.045);
      --text:#F8EEF2;
      --muted:#B9A8AF;
      --weak:#8F7D85;
      --primary:#B8325A;
      --primary-2:#C23A63;
      --accent:#7A3FFC;
      --warm:#E08A3E;
      --border:rgba(255,255,255,.10);
      --border-strong:rgba(244,194,215,.25);
      --radius:24px;
      --radius-lg:32px;
      --shadow:0 18px 60px rgba(0,0,0,.36);
      --shadow-soft:0 16px 42px rgba(184,50,90,.16);
    }

    *{box-sizing:border-box}
    html{scroll-behavior:smooth}
    body{
      margin:0;
      min-height:100vh;
      font-family:-apple-system,BlinkMacSystemFont,"PingFang SC","Microsoft YaHei","Noto Sans SC",Arial,sans-serif;
      color:var(--text);
      background:
        radial-gradient(circle at 12% 8%, rgba(194,58,99,.30), transparent 34%),
        radial-gradient(circle at 86% 14%, rgba(122,63,252,.18), transparent 36%),
        radial-gradient(circle at 50% 88%, rgba(224,138,62,.10), transparent 32%),
        linear-gradient(180deg,#120A0F 0%,#181014 48%,#10080C 100%);
      line-height:1.7;
      overflow-x:hidden;
    }
    body:before{
      content:"";
      position:fixed;
      inset:0;
      pointer-events:none;
      opacity:.34;
      background-image:
        linear-gradient(rgba(255,255,255,.035) 1px, transparent 1px),
        linear-gradient(90deg, rgba(255,255,255,.025) 1px, transparent 1px);
      background-size:46px 46px;
      mask-image:linear-gradient(to bottom, rgba(0,0,0,.9), rgba(0,0,0,.35), transparent);
      z-index:-1;
    }
    a{color:inherit;text-decoration:none}
    button,input,select,textarea{font:inherit}
    button{border:0;cursor:pointer}
    img{max-width:100%;display:block}
    ::selection{background:rgba(194,58,99,.48);color:#fff}

    .container-max{
      width:min(100% - 40px, 1200px);
      margin-inline:auto;
    }
    .section{
      padding:92px 0;
      position:relative;
    }
    .section-tight{padding:70px 0}
    .eyebrow{
      display:inline-flex;
      align-items:center;
      gap:8px;
      padding:8px 12px;
      border:1px solid var(--border);
      border-radius:999px;
      color:#FFDDEA;
      background:rgba(255,255,255,.055);
      font-size:13px;
      letter-spacing:.02em;
      box-shadow:inset 0 1px 0 rgba(255,255,255,.06);
    }
    .eyebrow .dot{
      width:8px;height:8px;border-radius:50%;
      background:linear-gradient(135deg,var(--primary),var(--warm));
      box-shadow:0 0 16px rgba(194,58,99,.8);
    }
    .section-title{
      margin:16px 0 12px;
      font-size:clamp(28px,4vw,38px);
      line-height:1.16;
      letter-spacing:-.04em;
      color:#fff;
    }
    .section-desc{
      max-width:760px;
      color:var(--muted);
      font-size:16px;
      margin:0;
    }

    .site-header{
      position:sticky;
      top:0;
      z-index:50;
      border-bottom:1px solid var(--border);
      background:rgba(18,10,15,.78);
      backdrop-filter:blur(18px);
    }
    .nav-wrap{
      height:76px;
      display:flex;
      align-items:center;
      justify-content:space-between;
      gap:18px;
    }
    .brand{
      display:flex;
      align-items:center;
      gap:12px;
      min-width:max-content;
    }
    .brand-mark{
      width:42px;height:42px;border-radius:15px;
      display:grid;place-items:center;
      background:
        radial-gradient(circle at 35% 25%, rgba(255,214,165,.55), transparent 28%),
        linear-gradient(135deg,#B8325A,#7A3FFC 72%);
      box-shadow:0 12px 36px rgba(184,50,90,.35);
      position:relative;
      overflow:hidden;
    }
    .brand-mark:after{
      content:"";
      width:0;height:0;
      border-top:8px solid transparent;
      border-bottom:8px solid transparent;
      border-left:12px solid #fff;
      transform:translateX(2px);
      opacity:.92;
    }
    .brand-text{
      display:flex;
      flex-direction:column;
      line-height:1.15;
    }
    .brand-title{
      font-weight:800;
      letter-spacing:-.03em;
      color:#fff;
      font-size:17px;
    }
    .brand-sub{
      font-size:12px;
      color:var(--weak);
      margin-top:3px;
    }
    .seg-nav{
      display:flex;
      align-items:center;
      gap:6px;
      padding:6px;
      border:1px solid var(--border);
      border-radius:999px;
      background:rgba(255,255,255,.045);
      box-shadow:inset 0 1px 0 rgba(255,255,255,.05);
    }
    .seg-nav a{
      display:inline-flex;
      align-items:center;
      justify-content:center;
      min-height:38px;
      padding:0 18px;
      border-radius:999px;
      color:var(--muted);
      font-size:14px;
      font-weight:650;
      transition:transform .22s ease, background .22s ease, color .22s ease, box-shadow .22s ease;
    }
    .seg-nav a:hover{
      color:#fff;
      background:rgba(255,255,255,.07);
      transform:translateY(-1px);
    }
    .seg-nav a.active{
      color:#fff;
      background:linear-gradient(135deg,var(--primary),var(--primary-2));
      box-shadow:0 10px 28px rgba(184,50,90,.28);
    }
    .nav-actions{
      display:flex;
      align-items:center;
      gap:10px;
      min-width:max-content;
    }
    .age-pill{
      display:inline-flex;
      align-items:center;
      gap:7px;
      height:40px;
      padding:0 12px;
      border-radius:999px;
      border:1px solid rgba(255,214,165,.22);
      color:#FFD6A5;
      background:rgba(255,214,165,.055);
      font-size:13px;
      font-weight:700;
    }

    .btn{
      display:inline-flex;
      align-items:center;
      justify-content:center;
      gap:8px;
      min-height:46px;
      padding:0 20px;
      border-radius:999px;
      font-weight:800;
      letter-spacing:-.01em;
      transition:transform .22s ease, box-shadow .22s ease, background .22s ease, border-color .22s ease, color .22s ease;
      white-space:nowrap;
    }
    .btn-primary{
      color:#fff;
      background:linear-gradient(135deg,var(--primary),var(--primary-2));
      box-shadow:0 16px 34px rgba(184,50,90,.28);
    }
    .btn-primary:hover{transform:translateY(-2px);box-shadow:0 22px 48px rgba(184,50,90,.36)}
    .btn-secondary{
      color:#FFE7F0;
      border:1px solid var(--border-strong);
      background:rgba(255,255,255,.05);
    }
    .btn-secondary:hover{transform:translateY(-2px);background:rgba(244,194,215,.09);border-color:rgba(244,194,215,.42)}
    .btn-ghost{
      color:var(--muted);
      border:1px solid var(--border);
      background:rgba(255,255,255,.035);
    }
    .btn-ghost:hover{color:#fff;border-color:rgba(255,255,255,.22);background:rgba(255,255,255,.065)}
    .btn:focus-visible,
    .seg-nav a:focus-visible,
    .footer-link:focus-visible,
    input:focus-visible,
    textarea:focus-visible,
    summary:focus-visible{
      outline:3px solid rgba(244,194,215,.38);
      outline-offset:3px;
    }

    .hero{
      padding:88px 0 78px;
      position:relative;
    }
    .hero-grid{
      display:grid;
      grid-template-columns:1.05fr .95fr;
      gap:44px;
      align-items:center;
    }
    .hero h1{
      margin:18px 0 18px;
      max-width:760px;
      font-size:clamp(34px,5.2vw,58px);
      line-height:1.08;
      letter-spacing:-.065em;
      color:#fff;
    }
    .hero h1 .shine{
      color:#F4C2D7;
      text-shadow:0 0 36px rgba(244,194,215,.18);
    }
    .hero-lead{
      max-width:680px;
      margin:0;
      color:#CBB9C1;
      font-size:17px;
      line-height:1.85;
    }
    .hero-actions{
      display:flex;
      align-items:center;
      gap:12px;
      flex-wrap:wrap;
      margin-top:28px;
    }
    .trust-row{
      display:grid;
      grid-template-columns:repeat(3, minmax(0,1fr));
      gap:12px;
      margin-top:30px;
      max-width:720px;
    }
    .trust-item{
      padding:14px 16px;
      border:1px solid var(--border);
      border-radius:18px;
      background:rgba(255,255,255,.04);
      color:#EADDE2;
      font-size:14px;
    }
    .trust-item strong{
      display:block;
      color:#fff;
      margin-bottom:3px;
      font-size:15px;
    }

    .console{
      position:relative;
      border:1px solid rgba(255,255,255,.12);
      border-radius:34px;
      padding:18px;
      background:
        linear-gradient(180deg, rgba(255,255,255,.08), rgba(255,255,255,.035)),
        radial-gradient(circle at 80% 10%, rgba(194,58,99,.24), transparent 34%);
      box-shadow:var(--shadow), inset 0 1px 0 rgba(255,255,255,.08);
      overflow:hidden;
    }
    .console:before{
      content:"";
      position:absolute;
      inset:-80px auto auto -80px;
      width:210px;height:210px;
      border-radius:50%;
      background:rgba(184,50,90,.24);
      filter:blur(30px);
    }
    .console-top{
      position:relative;
      display:flex;
      align-items:center;
      justify-content:space-between;
      gap:12px;
      padding:8px 6px 18px;
    }
    .search-bar{
      flex:1;
      min-height:44px;
      border-radius:999px;
      border:1px solid var(--border);
      background:rgba(18,10,15,.72);
      display:flex;
      align-items:center;
      gap:10px;
      padding:0 14px;
      color:var(--weak);
      font-size:14px;
    }
    .status-chip{
      min-height:36px;
      padding:0 12px;
      border-radius:999px;
      display:inline-flex;
      align-items:center;
      border:1px solid rgba(255,214,165,.20);
      background:rgba(255,214,165,.07);
      color:#FFD6A5;
      font-size:12px;
      font-weight:800;
    }
    .cover-grid{
      position:relative;
      display:grid;
      grid-template-columns:1.1fr .9fr;
      gap:14px;
    }
    .cover-main,
    .cover-card{
      min-height:250px;
      border-radius:26px;
      border:1px solid var(--border);
      background:
        linear-gradient(145deg, rgba(194,58,99,.28), rgba(122,63,252,.12)),
        repeating-linear-gradient(135deg, rgba(255,255,255,.045) 0 1px, transparent 1px 12px);
      padding:18px;
      display:flex;
      flex-direction:column;
      justify-content:space-between;
      overflow:hidden;
      position:relative;
    }
    .cover-main:after,
    .cover-card:after{
      content:"";
      position:absolute;
      width:110px;height:110px;
      border-radius:50%;
      right:-30px;bottom:-30px;
      background:rgba(244,194,215,.13);
      filter:blur(2px);
    }
    .cover-card{
      min-height:118px;
      background:
        linear-gradient(145deg, rgba(224,138,62,.14), rgba(194,58,99,.18)),
        repeating-linear-gradient(90deg, rgba(255,255,255,.035) 0 1px, transparent 1px 10px);
    }
    .cover-stack{
      display:grid;
      gap:14px;
    }
    .mini-tags{
      display:flex;
      gap:8px;
      flex-wrap:wrap;
      position:relative;
      z-index:2;
    }
    .tag{
      display:inline-flex;
      align-items:center;
      min-height:28px;
      padding:0 10px;
      border-radius:999px;
      background:rgba(255,255,255,.08);
      border:1px solid rgba(255,255,255,.10);
      color:#F7DCE8;
      font-size:12px;
      font-weight:700;
    }
    .cover-title{
      position:relative;
      z-index:2;
      font-size:20px;
      font-weight:850;
      letter-spacing:-.03em;
      color:#fff;
    }
    .meter{
      height:8px;
      border-radius:999px;
      background:rgba(255,255,255,.10);
      overflow:hidden;
      margin-top:12px;
      position:relative;
      z-index:2;
    }
    .meter span{
      display:block;height:100%;
      border-radius:999px;
      background:linear-gradient(90deg,var(--primary),#FFD6A5);
    }
    .console-foot{
      display:grid;
      grid-template-columns:repeat(3,1fr);
      gap:10px;
      margin-top:14px;
    }
    .console-foot div{
      padding:12px;
      border-radius:18px;
      border:1px solid var(--border);
      background:rgba(18,10,15,.50);
      color:var(--muted);
      font-size:12px;
    }
    .console-foot b{display:block;color:#fff;font-size:14px;margin-bottom:2px}

    .glass-card,
    .soft-card{
      border:1px solid var(--border);
      border-radius:var(--radius);
      background:linear-gradient(180deg, rgba(255,255,255,.065), rgba(255,255,255,.035));
      box-shadow:var(--shadow-soft);
      transition:transform .25s ease, border-color .25s ease, background .25s ease, box-shadow .25s ease;
      overflow:hidden;
      position:relative;
    }
    .glass-card:hover,
    .soft-card:hover{
      transform:translateY(-6px);
      border-color:rgba(244,194,215,.28);
      background:linear-gradient(180deg, rgba(255,255,255,.085), rgba(255,255,255,.042));
      box-shadow:0 22px 70px rgba(0,0,0,.34),0 18px 42px rgba(184,50,90,.16);
    }
    .bento-grid{
      margin-top:34px;
      display:grid;
      grid-template-columns:1.2fr .8fr .8fr;
      gap:18px;
    }
    .bento-card{
      padding:26px;
      min-height:230px;
    }
    .bento-card.large{
      grid-row:span 2;
      min-height:478px;
      background:
        radial-gradient(circle at 80% 20%, rgba(194,58,99,.22), transparent 34%),
        linear-gradient(180deg, rgba(255,255,255,.075), rgba(255,255,255,.035));
    }
    .icon-badge{
      width:46px;height:46px;
      border-radius:16px;
      display:grid;place-items:center;
      background:rgba(184,50,90,.16);
      border:1px solid rgba(244,194,215,.18);
      color:#FFDDEA;
      font-size:21px;
      margin-bottom:18px;
    }
    .card-title{
      margin:0 0 10px;
      font-size:21px;
      line-height:1.25;
      letter-spacing:-.03em;
      color:#fff;
    }
    .card-text{
      margin:0;
      color:var(--muted);
      font-size:15px;
    }
    .feature-list{
      margin:24px 0 0;
      padding:0;
      list-style:none;
      display:grid;
      gap:12px;
    }
    .feature-list li{
      display:flex;
      align-items:flex-start;
      gap:10px;
      color:#DDCDD4;
      padding:12px;
      border-radius:16px;
      background:rgba(18,10,15,.36);
      border:1px solid rgba(255,255,255,.07);
      font-size:14px;
    }
    .feature-list li:before{
      content:"✓";
      width:22px;height:22px;
      flex:0 0 22px;
      border-radius:50%;
      display:grid;place-items:center;
      background:rgba(194,58,99,.24);
      color:#F4C2D7;
      font-size:13px;
      font-weight:900;
    }

    .timeline{
      margin-top:36px;
      display:grid;
      grid-template-columns:repeat(4,1fr);
      gap:16px;
    }
    .step-card{
      padding:24px;
      border-radius:24px;
      border:1px solid var(--border);
      background:rgba(255,255,255,.045);
      position:relative;
    }
    .step-num{
      display:inline-grid;
      place-items:center;
      width:38px;height:38px;
      border-radius:14px;
      background:linear-gradient(135deg,var(--primary),rgba(122,63,252,.88));
      color:#fff;
      font-weight:900;
      margin-bottom:18px;
      box-shadow:0 12px 30px rgba(184,50,90,.25);
    }
    .step-card h3{
      margin:0 0 8px;
      font-size:18px;
      color:#fff;
      letter-spacing:-.02em;
    }
    .step-card p{margin:0;color:var(--muted);font-size:14px}

    .compare-wrap{
      margin-top:34px;
      display:grid;
      grid-template-columns:.95fr 1.05fr;
      gap:20px;
      align-items:stretch;
    }
    .panel-list{
      padding:26px;
    }
    .panel-list h3{font-size:22px;color:#fff;margin:0 0 16px;letter-spacing:-.03em}
    .compare-items{
      display:grid;
      gap:12px;
      margin:0;
      padding:0;
      list-style:none;
    }
    .compare-items li{
      display:flex;
      justify-content:space-between;
      gap:16px;
      padding:14px 0;
      border-bottom:1px solid rgba(255,255,255,.08);
      color:#E9DCE2;
    }
    .compare-items li:last-child{border-bottom:0}
    .compare-items span{color:var(--muted)}
    .device-card{
      padding:24px;
      min-height:360px;
      display:flex;
      flex-direction:column;
      justify-content:space-between;
      background:
        radial-gradient(circle at 15% 20%, rgba(122,63,252,.16), transparent 30%),
        radial-gradient(circle at 85% 75%, rgba(194,58,99,.18), transparent 32%),
        rgba(255,255,255,.045);
    }
    .phone-shell{
      max-width:300px;
      margin:auto;
      width:100%;
      border-radius:32px;
      padding:14px;
      border:1px solid rgba(255,255,255,.16);
      background:#120A0F;
      box-shadow:inset 0 0 0 6px rgba(255,255,255,.025),0 20px 60px rgba(0,0,0,.40);
    }
    .phone-line{
      height:12px;
      border-radius:999px;
      background:rgba(255,255,255,.08);
      margin-bottom:12px;
    }
    .phone-card{
      border-radius:20px;
      min-height:132px;
      padding:14px;
      background:linear-gradient(135deg, rgba(194,58,99,.24), rgba(122,63,252,.12));
      border:1px solid rgba(255,255,255,.09);
    }

    .feedback-grid{
      margin-top:34px;
      display:grid;
      grid-template-columns:repeat(3,1fr);
      gap:18px;
    }
    .feedback{
      padding:24px;
    }
    .quote{
      color:#EADDE2;
      margin:0 0 20px;
      font-size:15px;
    }
    .person{
      display:flex;
      align-items:center;
      gap:12px;
      padding-top:16px;
      border-top:1px solid rgba(255,255,255,.08);
    }
    .avatar{
      width:42px;height:42px;border-radius:50%;
      background:linear-gradient(135deg,var(--primary),rgba(224,138,62,.76));
      display:grid;place-items:center;
      font-weight:900;
      color:#fff;
    }
    .person b{display:block;color:#fff}
    .person span{font-size:13px;color:var(--weak)}

    .plans{
      margin-top:34px;
      display:grid;
      grid-template-columns:repeat(3,1fr);
      gap:18px;
    }
    .plan{
      padding:28px;
    }
    .plan.recommend{
      border-color:rgba(244,194,215,.38);
      background:
        radial-gradient(circle at 80% 0%, rgba(194,58,99,.24), transparent 28%),
        linear-gradient(180deg, rgba(255,255,255,.085), rgba(255,255,255,.04));
    }
    .plan-kicker{
      display:flex;
      align-items:center;
      justify-content:space-between;
      gap:10px;
      color:#F4C2D7;
      font-weight:850;
      margin-bottom:12px;
    }
    .plan h3{
      margin:0 0 8px;
      color:#fff;
      font-size:24px;
      letter-spacing:-.04em;
    }
    .price{
      font-size:34px;
      line-height:1;
      font-weight:900;
      color:#fff;
      margin:18px 0 18px;
      letter-spacing:-.05em;
    }
    .price small{font-size:14px;color:var(--muted);font-weight:650;letter-spacing:0}
    .plan ul{
      list-style:none;
      margin:18px 0 24px;
      padding:0;
      display:grid;
      gap:11px;
      color:#DCCED5;
      font-size:14px;
    }
    .plan li{display:flex;gap:9px}
    .plan li:before{content:"•";color:#F4C2D7;font-weight:900}

    .faq-grid{
      margin-top:34px;
      display:grid;
      grid-template-columns:1fr 1fr;
      gap:16px;
    }
    details.faq-item{
      border:1px solid var(--border);
      border-radius:22px;
      background:rgba(255,255,255,.045);
      overflow:hidden;
      transition:border-color .22s ease, background .22s ease;
    }
    details.faq-item[open]{
      border-color:rgba(244,194,215,.28);
      background:rgba(255,255,255,.065);
    }
    .faq-item summary{
      list-style:none;
      cursor:pointer;
      padding:20px 22px;
      color:#fff;
      font-weight:850;
      display:flex;
      align-items:center;
      justify-content:space-between;
      gap:16px;
    }
    .faq-item summary::-webkit-details-marker{display:none}
    .faq-item summary:after{
      content:"+";
      width:28px;height:28px;
      border-radius:50%;
      display:grid;place-items:center;
      background:rgba(184,50,90,.18);
      color:#F4C2D7;
      flex:0 0 28px;
      transition:transform .2s ease;
    }
    .faq-item[open] summary:after{content:"–";transform:rotate(180deg)}
    .faq-item p{
      margin:0;
      padding:0 22px 22px;
      color:var(--muted);
      font-size:15px;
    }

    .cta-band{
      padding:42px;
      border-radius:34px;
      border:1px solid rgba(244,194,215,.20);
      background:
        radial-gradient(circle at 18% 0%, rgba(244,194,215,.20), transparent 32%),
        radial-gradient(circle at 85% 85%, rgba(122,63,252,.15), transparent 34%),
        linear-gradient(135deg, rgba(184,50,90,.22), rgba(255,255,255,.045));
      box-shadow:var(--shadow);
      display:grid;
      grid-template-columns:1fr auto;
      gap:28px;
      align-items:center;
    }
    .cta-band h2{
      margin:0 0 10px;
      font-size:clamp(26px,4vw,40px);
      line-height:1.15;
      color:#fff;
      letter-spacing:-.05em;
    }
    .cta-band p{margin:0;color:#D9CAD1;max-width:720px}

    .site-footer{
      padding:54px 0 30px;
      background:#0D070A;
      border-top:1px solid rgba(255,255,255,.09);
      position:relative;
    }
    .site-footer:before{
      content:"";
      position:absolute;
      inset:0 0 auto;
      height:1px;
      background:linear-gradient(90deg, transparent, rgba(244,194,215,.42), transparent);
    }
    .footer-grid{
      display:grid;
      grid-template-columns:1.2fr .8fr .8fr 1fr;
      gap:28px;
    }
    .footer-title{
      color:#fff;
      font-size:17px;
      font-weight:850;
      margin:0 0 14px;
    }
    .footer-text{
      color:var(--muted);
      margin:14px 0 0;
      font-size:14px;
    }
    .footer-links{
      display:grid;
      gap:10px;
    }
    .footer-link{
      color:var(--muted);
      font-size:14px;
      transition:color .2s ease, transform .2s ease;
      width:max-content;
    }
    .footer-link:hover{
      color:#fff;
      transform:translateX(3px);
    }
    .copyright{
      margin-top:34px;
      padding-top:22px;
      border-top:1px solid rgba(255,255,255,.08);
      display:flex;
      justify-content:space-between;
      gap:16px;
      flex-wrap:wrap;
      color:#8F7D85;
      font-size:13px;
    }

    .mobile-scroll{
      scrollbar-width:none;
    }
    .mobile-scroll::-webkit-scrollbar{display:none}

    @media (max-width:1024px){
      .nav-wrap{height:auto;min-height:76px;flex-wrap:wrap;padding:12px 0}
      .seg-nav{order:3;width:100%;overflow:auto;justify-content:flex-start}
      .hero-grid,.compare-wrap{grid-template-columns:1fr}
      .bento-grid{grid-template-columns:1fr 1fr}
      .bento-card.large{grid-row:auto;grid-column:span 2;min-height:360px}
      .timeline{grid-template-columns:1fr 1fr}
      .plans,.feedback-grid{grid-template-columns:1fr}
      .footer-grid{grid-template-columns:1fr 1fr}
      .cta-band{grid-template-columns:1fr}
    }
    @media (max-width:768px){
      .container-max{width:min(100% - 28px, 1200px)}
      .section{padding:64px 0}
      .hero{padding:56px 0 58px}
      .nav-actions{width:100%;justify-content:space-between;order:2}
      .brand{width:100%;justify-content:space-between}
      .hero-actions .btn{width:100%}
      .trust-row{grid-template-columns:1fr}
      .bento-grid{grid-template-columns:1fr}
      .bento-card.large{grid-column:auto;min-height:auto}
      .cover-grid{grid-template-columns:1fr}
      .console-foot{grid-template-columns:1fr}
      .timeline{grid-template-columns:1fr}
      .faq-grid{grid-template-columns:1fr}
      .footer-grid{grid-template-columns:1fr}
      .copyright{display:grid}
      .seg-nav a{padding:0 16px}
      .cta-band{padding:28px}
    }
    @media (max-width:520px){
      .brand-title{font-size:16px}
      .brand-sub{display:none}
      .age-pill{font-size:12px;padding:0 10px}
      .btn{min-height:44px;padding:0 16px}
      .console{border-radius:26px;padding:14px}
      .section-title{letter-spacing:-.035em}
      .bento-card,.step-card,.feedback,.plan,.panel-list{padding:20px}
      .cover-main{min-height:210px}
    }

/* roulang page: category1 */
:root{
      --bg:#120A0F;
      --bg-2:#181014;
      --panel:#1F141A;
      --panel-soft:rgba(255,255,255,.045);
      --primary:#B8325A;
      --primary-2:#C23A63;
      --accent:#E08A3E;
      --purple:#7A3FFC;
      --text:#F8EEF2;
      --muted:#B9A8AF;
      --line:rgba(255,255,255,.10);
      --line-strong:rgba(244,194,215,.28);
      --radius:24px;
      --radius-lg:32px;
      --shadow:0 22px 80px rgba(0,0,0,.34);
      --shadow-soft:0 18px 60px rgba(184,50,90,.18);
      --container:1200px;
    }
    *{box-sizing:border-box}
    html{scroll-behavior:smooth}
    body{
      margin:0;
      font-family:-apple-system,BlinkMacSystemFont,"PingFang SC","Microsoft YaHei","Noto Sans SC",Arial,sans-serif;
      color:var(--text);
      line-height:1.7;
      background:
        radial-gradient(circle at 12% 10%, rgba(184,50,90,.26), transparent 28%),
        radial-gradient(circle at 84% 18%, rgba(122,63,252,.16), transparent 32%),
        radial-gradient(circle at 72% 76%, rgba(224,138,62,.10), transparent 25%),
        linear-gradient(180deg,#120A0F 0%,#181014 44%,#10080D 100%);
      min-height:100vh;
      overflow-x:hidden;
    }
    body:before{
      content:"";
      position:fixed;
      inset:0;
      pointer-events:none;
      opacity:.26;
      background-image:
        linear-gradient(rgba(255,255,255,.035) 1px, transparent 1px),
        linear-gradient(90deg, rgba(255,255,255,.028) 1px, transparent 1px);
      background-size:42px 42px;
      mask-image:linear-gradient(to bottom, black, transparent 78%);
      z-index:-1;
    }
    a{color:inherit;text-decoration:none}
    button,input,select,textarea{font:inherit}
    button{border:0;cursor:pointer}
    img,svg{max-width:100%;display:block}
    ::selection{background:rgba(194,58,99,.55);color:#fff}
    .container-max{
      width:min(var(--container), calc(100% - 40px));
      margin-inline:auto;
    }
    .section{
      padding:86px 0;
      position:relative;
    }
    .section-tight{padding:58px 0}
    .eyebrow{
      display:inline-flex;
      align-items:center;
      gap:8px;
      padding:8px 13px;
      border:1px solid var(--line);
      border-radius:999px;
      color:#F4C2D7;
      background:rgba(255,255,255,.055);
      font-size:13px;
      letter-spacing:.02em;
    }
    .eyebrow:before{
      content:"";
      width:8px;
      height:8px;
      border-radius:999px;
      background:linear-gradient(135deg,var(--primary),var(--accent));
      box-shadow:0 0 16px rgba(184,50,90,.75);
    }
    .site-header{
      position:sticky;
      top:0;
      z-index:50;
      border-bottom:1px solid var(--line);
      background:rgba(18,10,15,.76);
      backdrop-filter:blur(18px);
    }
    .nav-wrap{
      min-height:76px;
      display:flex;
      align-items:center;
      justify-content:space-between;
      gap:20px;
    }
    .brand{
      display:inline-flex;
      align-items:center;
      gap:12px;
      min-width:max-content;
    }
    .brand-mark{
      width:42px;
      height:42px;
      border-radius:15px;
      position:relative;
      background:
        radial-gradient(circle at 72% 25%, rgba(255,214,165,.75), transparent 22%),
        linear-gradient(135deg,var(--primary),#4B1728 58%,#21131A);
      box-shadow:inset 0 1px 0 rgba(255,255,255,.26), 0 16px 35px rgba(184,50,90,.28);
    }
    .brand-mark:after{
      content:"";
      position:absolute;
      left:16px;
      top:12px;
      width:0;
      height:0;
      border-top:9px solid transparent;
      border-bottom:9px solid transparent;
      border-left:13px solid rgba(255,255,255,.86);
      filter:drop-shadow(0 3px 8px rgba(0,0,0,.28));
    }
    .brand-text{display:flex;flex-direction:column;line-height:1.15}
    .brand-title{font-weight:800;font-size:18px;letter-spacing:.01em}
    .brand-sub{font-size:12px;color:var(--muted);margin-top:3px}
    .seg-nav{
      display:flex;
      align-items:center;
      gap:6px;
      padding:6px;
      border:1px solid var(--line);
      border-radius:999px;
      background:rgba(255,255,255,.045);
      box-shadow:inset 0 1px 0 rgba(255,255,255,.05);
    }
    .seg-nav a{
      display:inline-flex;
      align-items:center;
      justify-content:center;
      min-height:38px;
      padding:0 18px;
      border-radius:999px;
      color:var(--muted);
      font-size:14px;
      font-weight:650;
      transition:transform .22s ease, background .22s ease, color .22s ease, box-shadow .22s ease;
      white-space:nowrap;
    }
    .seg-nav a:hover{
      color:var(--text);
      background:rgba(255,255,255,.075);
    }
    .seg-nav a.active{
      color:#fff;
      background:linear-gradient(135deg,var(--primary),var(--primary-2));
      box-shadow:0 12px 30px rgba(184,50,90,.28);
    }
    .nav-actions{
      display:flex;
      align-items:center;
      gap:12px;
      min-width:max-content;
    }
    .age-pill{
      display:inline-flex;
      align-items:center;
      gap:7px;
      min-height:34px;
      padding:0 12px;
      border-radius:999px;
      border:1px solid rgba(244,194,215,.22);
      color:#FFD6A5;
      background:rgba(224,138,62,.08);
      font-size:12px;
      font-weight:700;
    }
    .btn{
      display:inline-flex;
      align-items:center;
      justify-content:center;
      gap:9px;
      min-height:44px;
      padding:0 20px;
      border-radius:999px;
      font-weight:800;
      transition:transform .22s ease, box-shadow .22s ease, border-color .22s ease, background .22s ease, color .22s ease;
      outline:none;
      white-space:nowrap;
    }
    .btn:focus-visible,
    .seg-nav a:focus-visible,
    .footer-link:focus-visible,
    .brand:focus-visible,
    summary:focus-visible,
    input:focus-visible,
    textarea:focus-visible,
    select:focus-visible{
      outline:3px solid rgba(244,194,215,.48);
      outline-offset:3px;
    }
    .btn-primary{
      color:#fff;
      background:linear-gradient(135deg,var(--primary),var(--primary-2));
      box-shadow:0 18px 45px rgba(184,50,90,.30);
    }
    .btn-primary:hover{transform:translateY(-2px);box-shadow:0 24px 58px rgba(184,50,90,.42)}
    .btn-secondary{
      color:var(--text);
      border:1px solid var(--line-strong);
      background:rgba(255,255,255,.055);
    }
    .btn-secondary:hover{transform:translateY(-2px);border-color:rgba(244,194,215,.48);background:rgba(255,255,255,.085)}
    .btn-ghost{
      color:#F4C2D7;
      border:1px solid rgba(244,194,215,.18);
      background:rgba(244,194,215,.055);
    }
    .btn-ghost:hover{border-color:rgba(244,194,215,.4);transform:translateY(-1px)}
    .hero{
      padding:70px 0 44px;
      position:relative;
    }
    .hero-grid{
      display:grid;
      grid-template-columns:1.02fr .98fr;
      gap:34px;
      align-items:center;
    }
    h1{
      margin:18px 0 18px;
      font-size:clamp(34px,5vw,56px);
      line-height:1.1;
      letter-spacing:-.045em;
      max-width:860px;
    }
    .lead{
      color:var(--muted);
      font-size:17px;
      max-width:720px;
    }
    .hero-actions{
      margin-top:30px;
      display:flex;
      flex-wrap:wrap;
      gap:14px;
      align-items:center;
    }
    .quick-points{
      margin:28px 0 0;
      display:flex;
      flex-wrap:wrap;
      gap:10px;
    }
    .point{
      display:inline-flex;
      align-items:center;
      gap:8px;
      padding:9px 13px;
      border:1px solid var(--line);
      border-radius:999px;
      background:rgba(255,255,255,.04);
      color:#D8C9CF;
      font-size:13px;
    }
    .point i{
      width:8px;height:8px;border-radius:999px;background:#F4C2D7;display:inline-block;
      box-shadow:0 0 15px rgba(244,194,215,.55);
    }
    .filter-panel,.glass-card,.soft-card{
      border:1px solid var(--line);
      background:linear-gradient(180deg,rgba(255,255,255,.07),rgba(255,255,255,.035));
      box-shadow:var(--shadow);
      border-radius:var(--radius-lg);
      position:relative;
      overflow:hidden;
    }
    .filter-panel:before,.glass-card:before{
      content:"";
      position:absolute;
      inset:0;
      pointer-events:none;
      background:
        radial-gradient(circle at 14% 0%, rgba(244,194,215,.18), transparent 28%),
        radial-gradient(circle at 92% 20%, rgba(122,63,252,.16), transparent 25%);
    }
    .panel-inner{position:relative;padding:24px}
    .search-mock{
      height:50px;
      border:1px solid var(--line);
      border-radius:18px;
      background:rgba(0,0,0,.18);
      display:flex;
      align-items:center;
      justify-content:space-between;
      padding:0 14px 0 18px;
      color:var(--muted);
      font-size:14px;
    }
    .search-mock span:last-child{
      color:#fff;
      padding:8px 12px;
      border-radius:999px;
      background:rgba(184,50,90,.36);
    }
    .panel-tags,.chips-row{
      display:flex;
      flex-wrap:wrap;
      gap:10px;
    }
    .panel-tags{margin-top:16px}
    .chip,.tag{
      display:inline-flex;
      align-items:center;
      gap:7px;
      padding:8px 12px;
      border-radius:999px;
      border:1px solid var(--line);
      color:#D8C9CF;
      background:rgba(255,255,255,.045);
      font-size:13px;
      transition:background .22s ease,border-color .22s ease,transform .22s ease;
    }
    .chip:hover,.tag:hover{background:rgba(255,255,255,.08);border-color:rgba(244,194,215,.28);transform:translateY(-1px)}
    .chip.active{
      color:#fff;
      border-color:rgba(194,58,99,.65);
      background:rgba(184,50,90,.24);
    }
    .mini-stats{
      margin-top:18px;
      display:grid;
      grid-template-columns:repeat(3,1fr);
      gap:12px;
    }
    .mini-stat{
      padding:14px;
      border-radius:18px;
      border:1px solid var(--line);
      background:rgba(0,0,0,.16);
    }
    .mini-stat strong{display:block;font-size:20px;line-height:1.1}
    .mini-stat span{display:block;margin-top:5px;color:var(--muted);font-size:12px}
    .section-head{
      display:flex;
      justify-content:space-between;
      gap:24px;
      align-items:end;
      margin-bottom:28px;
    }
    .section-head h2{
      margin:12px 0 0;
      font-size:clamp(26px,3.3vw,38px);
      line-height:1.18;
      letter-spacing:-.03em;
    }
    .section-head p{margin:0;color:var(--muted);max-width:620px}
    .filter-strip{
      padding:18px;
      border:1px solid var(--line);
      border-radius:26px;
      background:rgba(255,255,255,.045);
      box-shadow:0 14px 45px rgba(0,0,0,.20);
    }
    .filter-group{
      display:grid;
      grid-template-columns:92px 1fr;
      gap:14px;
      align-items:start;
      padding:14px 0;
      border-bottom:1px solid rgba(255,255,255,.075);
    }
    .filter-group:last-child{border-bottom:0}
    .filter-label{
      color:#F4C2D7;
      font-size:13px;
      font-weight:800;
      padding-top:8px;
    }
    .bento-grid{
      display:grid;
      grid-template-columns:1.15fr .85fr;
      gap:20px;
    }
    .bento-side{
      display:grid;
      gap:20px;
    }
    .overview-card{
      min-height:260px;
      padding:26px;
      border-radius:28px;
      border:1px solid var(--line);
      background:linear-gradient(145deg,rgba(255,255,255,.07),rgba(255,255,255,.035));
      overflow:hidden;
      position:relative;
      transition:transform .24s ease,border-color .24s ease,box-shadow .24s ease;
    }
    .overview-card:hover,.content-card:hover{
      transform:translateY(-6px);
      border-color:rgba(244,194,215,.32);
      box-shadow:var(--shadow-soft);
    }
    .overview-card.large{min-height:540px}
    .overview-card:after{
      content:"";
      position:absolute;
      width:220px;height:220px;
      border-radius:999px;
      right:-80px;bottom:-80px;
      background:radial-gradient(circle,rgba(184,50,90,.28),transparent 64%);
      pointer-events:none;
    }
    .card-icon{
      width:48px;height:48px;border-radius:18px;
      display:grid;place-items:center;
      background:linear-gradient(135deg,rgba(184,50,90,.7),rgba(122,63,252,.45));
      box-shadow:inset 0 1px 0 rgba(255,255,255,.20);
      margin-bottom:18px;
      font-size:22px;
    }
    .overview-card h3,.content-card h3,.rule-card h3{
      margin:0 0 10px;
      font-size:21px;
      line-height:1.35;
      letter-spacing:-.01em;
    }
    .overview-card p,.content-card p,.rule-card p,.faq-answer{
      color:var(--muted);
      margin:0;
      font-size:15px;
    }
    .progress-list{margin-top:28px;display:grid;gap:16px}
    .progress-item{
      padding:16px;
      border:1px solid var(--line);
      border-radius:20px;
      background:rgba(0,0,0,.14);
    }
    .progress-top{display:flex;justify-content:space-between;gap:12px;font-size:13px;color:#E8DCE1;margin-bottom:9px}
    .bar{height:8px;border-radius:999px;background:rgba(255,255,255,.08);overflow:hidden}
    .bar span{display:block;height:100%;border-radius:inherit;background:linear-gradient(90deg,var(--primary),var(--accent))}
    .content-toolbar{
      display:flex;
      align-items:center;
      justify-content:space-between;
      gap:18px;
      padding:16px 18px;
      border:1px solid var(--line);
      border-radius:24px;
      background:rgba(255,255,255,.045);
      margin-bottom:22px;
    }
    .toolbar-note{color:var(--muted);font-size:14px}
    .content-grid{
      display:grid;
      grid-template-columns:repeat(4,1fr);
      gap:18px;
    }
    .content-card{
      border:1px solid var(--line);
      border-radius:26px;
      background:rgba(255,255,255,.045);
      overflow:hidden;
      transition:transform .24s ease,border-color .24s ease,box-shadow .24s ease;
    }
    .cover{
      height:168px;
      position:relative;
      overflow:hidden;
      background:
        radial-gradient(circle at 28% 22%, rgba(255,214,165,.35), transparent 22%),
        radial-gradient(circle at 76% 62%, rgba(122,63,252,.28), transparent 28%),
        linear-gradient(135deg,rgba(184,50,90,.62),rgba(31,20,26,.96));
    }
    .cover:before{
      content:"";
      position:absolute;
      inset:16px;
      border:1px solid rgba(255,255,255,.16);
      border-radius:18px;
      background:linear-gradient(135deg,rgba(255,255,255,.08),transparent);
      transition:transform .25s ease;
    }
    .cover:after{
      content:"";
      position:absolute;
      left:20px;
      bottom:20px;
      width:42px;height:42px;
      border-radius:16px;
      background:rgba(255,255,255,.12);
      backdrop-filter:blur(8px);
      clip-path:polygon(32% 22%,32% 78%,78% 50%);
    }
    .content-card:hover .cover:before{transform:scale(1.04)}
    .content-body{padding:18px}
    .meta-row{
      display:flex;
      flex-wrap:wrap;
      gap:8px;
      margin:12px 0 16px;
    }
    .meta{
      color:#FFD6A5;
      background:rgba(224,138,62,.08);
      border:1px solid rgba(224,138,62,.20);
      border-radius:999px;
      padding:5px 9px;
      font-size:12px;
      font-weight:700;
    }
    .card-link{
      display:inline-flex;
      align-items:center;
      gap:6px;
      color:#F4C2D7;
      font-weight:800;
      font-size:14px;
      transition:gap .22s ease,color .22s ease;
    }
    .content-card:hover .card-link{gap:10px;color:#fff}
    .rules-grid{
      display:grid;
      grid-template-columns:repeat(3,1fr);
      gap:18px;
    }
    .rule-card{
      padding:22px;
      border:1px solid var(--line);
      border-radius:26px;
      background:rgba(255,255,255,.045);
      transition:transform .22s ease,border-color .22s ease;
    }
    .rule-card:hover{transform:translateY(-4px);border-color:rgba(244,194,215,.30)}
    .notice-card{
      padding:28px;
      border:1px solid rgba(224,138,62,.28);
      border-radius:30px;
      background:
        radial-gradient(circle at 8% 0%,rgba(224,138,62,.18),transparent 30%),
        rgba(224,138,62,.055);
    }
    .faq-grid{
      display:grid;
      grid-template-columns:.8fr 1.2fr;
      gap:28px;
      align-items:start;
    }
    .faq-list{display:grid;gap:12px}
    details{
      border:1px solid var(--line);
      border-radius:22px;
      background:rgba(255,255,255,.045);
      overflow:hidden;
      transition:border-color .22s ease,background .22s ease;
    }
    details[open]{border-color:rgba(244,194,215,.30);background:rgba(255,255,255,.065)}
    summary{
      list-style:none;
      cursor:pointer;
      padding:18px 20px;
      display:flex;
      justify-content:space-between;
      gap:20px;
      font-weight:800;
    }
    summary::-webkit-details-marker{display:none}
    summary:after{
      content:"+";
      color:#F4C2D7;
      font-size:22px;
      line-height:1;
    }
    details[open] summary:after{content:"–"}
    .faq-answer{padding:0 20px 20px}
    .cta-band{
      border-radius:36px;
      border:1px solid var(--line-strong);
      background:
        radial-gradient(circle at 16% 0%,rgba(244,194,215,.22),transparent 28%),
        radial-gradient(circle at 86% 80%,rgba(122,63,252,.16),transparent 32%),
        linear-gradient(135deg,rgba(184,50,90,.22),rgba(255,255,255,.045));
      padding:44px;
      display:grid;
      grid-template-columns:1fr auto;
      gap:28px;
      align-items:center;
      box-shadow:var(--shadow);
    }
    .cta-band h2{margin:0 0 10px;font-size:clamp(26px,3.4vw,40px);line-height:1.16;letter-spacing:-.03em}
    .cta-band p{margin:0;color:var(--muted);max-width:720px}
    .site-footer{
      background:linear-gradient(180deg,rgba(18,10,15,.35),#0B0609);
      border-top:1px solid var(--line);
      padding:58px 0 26px;
      position:relative;
    }
    .site-footer:before{
      content:"";
      position:absolute;
      top:0;left:0;right:0;height:1px;
      background:linear-gradient(90deg,transparent,var(--primary),transparent);
      opacity:.7;
    }
    .footer-grid{
      display:grid;
      grid-template-columns:1.3fr .8fr .8fr 1fr;
      gap:34px;
    }
    .footer-text{color:var(--muted);font-size:14px;margin:16px 0 0}
    .footer-title{
      font-size:15px;
      margin:0 0 14px;
      color:#F4C2D7;
    }
    .footer-links{display:grid;gap:10px}
    .footer-link{
      color:var(--muted);
      font-size:14px;
      transition:color .2s ease,transform .2s ease;
    }
    .footer-link:hover{color:#fff;transform:translateX(3px)}
    .copyright{
      margin-top:34px;
      padding-top:20px;
      border-top:1px solid var(--line);
      display:flex;
      justify-content:space-between;
      gap:16px;
      color:#8F7E86;
      font-size:13px;
    }
    @media (max-width:1100px){
      .nav-wrap{flex-wrap:wrap;padding:12px 0}
      .seg-nav{order:3;width:100%;justify-content:flex-start}
      .mobile-scroll{overflow-x:auto;scrollbar-width:none}
      .mobile-scroll::-webkit-scrollbar{display:none}
      .hero-grid,.faq-grid{grid-template-columns:1fr}
      .content-grid{grid-template-columns:repeat(3,1fr)}
      .footer-grid{grid-template-columns:repeat(2,1fr)}
      .cta-band{grid-template-columns:1fr}
    }
    @media (max-width:820px){
      .section{padding:64px 0}
      .container-max{width:min(100% - 28px,var(--container))}
      .nav-actions{width:100%;justify-content:space-between}
      .hero{padding-top:46px}
      .bento-grid{grid-template-columns:1fr}
      .overview-card.large{min-height:360px}
      .content-grid{grid-template-columns:repeat(2,1fr)}
      .rules-grid{grid-template-columns:1fr}
      .section-head{display:block}
      .filter-group{grid-template-columns:1fr;gap:8px}
      .filter-label{padding-top:0}
      .content-toolbar{align-items:flex-start;flex-direction:column}
    }
    @media (max-width:560px){
      .brand-title{font-size:16px}
      .brand-sub{font-size:11px}
      .brand-mark{width:38px;height:38px;border-radius:14px}
      .age-pill{display:none}
      .btn{width:100%;min-height:46px}
      .nav-actions .btn{width:auto;padding-inline:14px;font-size:13px}
      .hero-actions{display:grid}
      .quick-points{display:grid}
      .mini-stats{grid-template-columns:1fr}
      .content-grid{grid-template-columns:1fr}
      .cover{height:190px}
      .footer-grid{grid-template-columns:1fr}
      .copyright{flex-direction:column}
      .cta-band{padding:28px;border-radius:28px}
      summary{padding:16px}
      .faq-answer{padding:0 16px 16px}
    }