/* roulang page: index */
:root{
      --color-plum:#551C46;
      --color-plum-deep:#4A183C;
      --color-rose:#E85D75;
      --color-orange:#F4A261;
      --color-cream:#FFF7F1;
      --color-mist:#FBECEF;
      --color-ink:#2B1A24;
      --color-muted:#6F5A66;
      --color-border:rgba(85,28,70,.12);
      --gradient-brand:linear-gradient(135deg,#551C46 0%,#E85D75 52%,#F4A261 100%);
      --gradient-soft:linear-gradient(180deg,#FFF7F1 0%,#FBECEF 100%);
      --shadow-card:0 18px 48px rgba(85,28,70,.12);
      --shadow-hover:0 24px 64px rgba(232,93,117,.18);
      --radius-xl:32px;
      --radius-lg:24px;
      --radius-md:18px;
      --nav-width:104px;
    }
    *{box-sizing:border-box}
    html{scroll-behavior:smooth}
    body{
      margin:0;
      font-family:'PingFang SC','Microsoft YaHei','Noto Sans SC','Helvetica Neue',Arial,sans-serif;
      color:var(--color-ink);
      background:var(--gradient-soft);
      line-height:1.7;
      overflow-x:hidden;
    }
    a{color:inherit;text-decoration:none}
    img{max-width:100%;display:block}
    button,input,select,textarea{font:inherit}
    button{cursor:pointer}
    ::selection{background:rgba(232,93,117,.22);color:var(--color-plum)}
    .site-shell{min-height:100vh}
    .side-nav{
      position:fixed;
      left:0;
      top:0;
      z-index:50;
      width:var(--nav-width);
      height:100vh;
      padding:20px 14px;
      background:rgba(255,247,241,.92);
      border-right:1px solid var(--color-border);
      box-shadow:10px 0 36px rgba(85,28,70,.08);
      backdrop-filter:blur(16px);
      display:flex;
      flex-direction:column;
      align-items:center;
      justify-content:space-between;
    }
    .brand-mark{
      display:flex;
      flex-direction:column;
      align-items:center;
      gap:10px;
      text-align:center;
    }
    .brand-icon{
      width:58px;
      height:58px;
      border-radius:22px;
      background:var(--gradient-brand);
      color:#fff;
      display:grid;
      place-items:center;
      font-weight:900;
      letter-spacing:-.04em;
      box-shadow:0 14px 34px rgba(232,93,117,.26);
    }
    .brand-text{
      writing-mode:vertical-rl;
      font-size:13px;
      line-height:1.2;
      font-weight:800;
      color:var(--color-plum);
      letter-spacing:.08em;
      max-height:190px;
    }
    .nav-list{
      width:100%;
      display:flex;
      flex-direction:column;
      gap:12px;
      align-items:center;
    }
    .nav-item{
      width:74px;
      min-height:64px;
      border-radius:22px;
      color:var(--color-muted);
      display:flex;
      flex-direction:column;
      align-items:center;
      justify-content:center;
      gap:5px;
      font-size:12px;
      font-weight:700;
      border:1px solid transparent;
      transition:transform .22s ease,box-shadow .22s ease,background .22s ease,color .22s ease,border-color .22s ease;
    }
    .nav-item .nav-ico{font-size:20px;line-height:1}
    .nav-item:hover{
      transform:translateY(-2px);
      background:rgba(232,93,117,.09);
      color:var(--color-plum);
      border-color:rgba(232,93,117,.18);
    }
    .nav-item.active{
      background:var(--gradient-brand);
      color:#fff;
      box-shadow:0 16px 34px rgba(232,93,117,.26);
    }
    .age-badge{
      width:74px;
      border-radius:999px;
      padding:9px 8px;
      text-align:center;
      color:var(--color-plum);
      background:rgba(255,255,255,.72);
      border:1px solid rgba(85,28,70,.14);
      font-size:12px;
      font-weight:800;
    }
    .mobile-top{
      display:none;
      position:sticky;
      top:0;
      z-index:60;
      padding:12px 16px;
      background:rgba(255,247,241,.94);
      border-bottom:1px solid var(--color-border);
      backdrop-filter:blur(16px);
    }
    .mobile-menu{
      display:none;
      margin-top:12px;
      padding:12px;
      border-radius:22px;
      background:#fff;
      border:1px solid var(--color-border);
      box-shadow:var(--shadow-card);
    }
    .mobile-menu.open{display:block}
    .mobile-link{
      display:flex;
      align-items:center;
      justify-content:space-between;
      padding:12px 14px;
      border-radius:16px;
      color:var(--color-muted);
      font-weight:700;
      transition:.2s ease;
    }
    .mobile-link:hover,.mobile-link.active{background:rgba(232,93,117,.1);color:var(--color-plum)}
    .page{
      margin-left:var(--nav-width);
      position:relative;
    }
    .page:before{
      content:"";
      position:absolute;
      top:0;
      right:-120px;
      width:420px;
      height:420px;
      background:radial-gradient(circle,rgba(244,162,97,.24),transparent 68%);
      pointer-events:none;
    }
    .container-custom{
      width:min(1280px,calc(100% - 72px));
      margin:0 auto;
    }
    .section{
      padding:88px 0;
      position:relative;
    }
    .section-tight{padding:64px 0}
    .eyebrow{
      display:inline-flex;
      align-items:center;
      gap:8px;
      padding:7px 12px;
      border-radius:999px;
      background:rgba(232,93,117,.1);
      color:var(--color-plum);
      border:1px solid rgba(232,93,117,.18);
      font-size:13px;
      font-weight:800;
      letter-spacing:.04em;
    }
    .gradient-text{
      background:var(--gradient-brand);
      -webkit-background-clip:text;
      background-clip:text;
      color:transparent;
    }
    .btn{
      display:inline-flex;
      align-items:center;
      justify-content:center;
      gap:9px;
      min-height:48px;
      padding:13px 22px;
      border-radius:999px;
      font-weight:800;
      font-size:15px;
      transition:transform .22s ease,box-shadow .22s ease,background .22s ease,border-color .22s ease;
      border:1px solid transparent;
    }
    .btn-primary{
      color:#fff;
      background:var(--gradient-brand);
      box-shadow:0 16px 34px rgba(232,93,117,.24);
    }
    .btn-primary:hover{transform:translateY(-2px);box-shadow:var(--shadow-hover)}
    .btn-secondary{
      color:var(--color-plum);
      background:rgba(255,255,255,.72);
      border-color:rgba(85,28,70,.14);
    }
    .btn-secondary:hover{transform:translateY(-2px);background:rgba(251,236,239,.95);border-color:rgba(232,93,117,.34)}
    .btn:focus-visible,.nav-item:focus-visible,.mobile-link:focus-visible,input:focus-visible,select:focus-visible,textarea:focus-visible{
      outline:3px solid rgba(244,162,97,.42);
      outline-offset:3px;
    }
    .card{
      border-radius:var(--radius-lg);
      border:1px solid var(--color-border);
      background:rgba(255,255,255,.76);
      box-shadow:0 10px 30px rgba(85,28,70,.06);
      transition:transform .24s ease,box-shadow .24s ease,border-color .24s ease;
    }
    .card:hover{
      transform:translateY(-4px);
      border-color:rgba(232,93,117,.28);
      box-shadow:var(--shadow-hover);
    }
    .tag{
      display:inline-flex;
      align-items:center;
      gap:6px;
      padding:6px 10px;
      border-radius:999px;
      font-size:12px;
      font-weight:800;
      color:var(--color-plum);
      background:rgba(251,236,239,.78);
      border:1px solid rgba(232,93,117,.16);
    }
    .hero-panel{
      border-radius:36px;
      padding:24px;
      background:linear-gradient(145deg,rgba(255,255,255,.9),rgba(251,236,239,.78));
      border:1px solid rgba(85,28,70,.12);
      box-shadow:var(--shadow-card);
      position:relative;
      overflow:hidden;
    }
    .hero-panel:before{
      content:"";
      position:absolute;
      right:-70px;
      top:-70px;
      width:210px;
      height:210px;
      border-radius:999px;
      background:radial-gradient(circle,rgba(232,93,117,.22),transparent 70%);
    }
    .dashboard-line{
      display:flex;
      align-items:center;
      justify-content:space-between;
      gap:14px;
      padding:14px;
      border-radius:20px;
      background:rgba(255,255,255,.72);
      border:1px solid rgba(85,28,70,.1);
    }
    .rank-card{
      position:relative;
      overflow:hidden;
    }
    .rank-card:after{
      content:"";
      position:absolute;
      right:-30px;
      bottom:-30px;
      width:110px;
      height:110px;
      border-radius:999px;
      background:radial-gradient(circle,rgba(244,162,97,.18),transparent 70%);
    }
    .matrix-card{
      min-height:188px;
      padding:24px;
    }
    .icon-pill{
      width:42px;
      height:42px;
      border-radius:16px;
      display:grid;
      place-items:center;
      background:rgba(232,93,117,.1);
      color:var(--color-plum);
      font-size:21px;
    }
    .stat-board{
      background:linear-gradient(135deg,#551C46 0%,#7B2A61 44%,#E85D75 100%);
      color:#fff;
      border-radius:36px;
      box-shadow:0 24px 64px rgba(85,28,70,.24);
      overflow:hidden;
      position:relative;
    }
    .stat-board:before{
      content:"";
      position:absolute;
      inset:auto -80px -120px auto;
      width:340px;
      height:340px;
      border-radius:999px;
      background:radial-gradient(circle,rgba(244,162,97,.35),transparent 70%);
    }
    .scenario-track{
      display:grid;
      grid-template-columns:1.05fr .95fr;
      gap:24px;
    }
    .scenario-card:nth-child(2){margin-top:44px}
    .step-card{
      position:relative;
      padding:24px 24px 24px 78px;
    }
    .step-number{
      position:absolute;
      left:22px;
      top:24px;
      width:40px;
      height:40px;
      border-radius:999px;
      display:grid;
      place-items:center;
      color:#fff;
      background:var(--gradient-brand);
      font-weight:900;
      box-shadow:0 12px 28px rgba(232,93,117,.22);
    }
    .faq-item{
      border-radius:22px;
      background:rgba(255,255,255,.76);
      border:1px solid var(--color-border);
      overflow:hidden;
    }
    .faq-question{
      width:100%;
      display:flex;
      align-items:center;
      justify-content:space-between;
      gap:18px;
      padding:20px 22px;
      text-align:left;
      color:var(--color-ink);
      font-weight:900;
    }
    .faq-answer{
      padding:0 22px 20px;
      color:var(--color-muted);
      display:block;
    }
    .faq-item.collapsed .faq-answer{display:none}
    .faq-sign{
      flex:0 0 auto;
      width:28px;
      height:28px;
      border-radius:999px;
      display:grid;
      place-items:center;
      background:rgba(232,93,117,.1);
      color:var(--color-plum);
      transition:transform .2s ease;
    }
    .faq-item:not(.collapsed) .faq-sign{transform:rotate(45deg)}
    .form-field label{
      display:block;
      margin-bottom:8px;
      color:var(--color-plum);
      font-size:13px;
      font-weight:800;
    }
    .form-field input,.form-field select,.form-field textarea{
      width:100%;
      border:1px solid rgba(85,28,70,.14);
      border-radius:18px;
      background:rgba(255,255,255,.78);
      padding:13px 15px;
      color:var(--color-ink);
      transition:border-color .2s ease,box-shadow .2s ease,background .2s ease;
    }
    .form-field input:focus,.form-field select:focus,.form-field textarea:focus{
      border-color:rgba(232,93,117,.48);
      box-shadow:0 0 0 4px rgba(232,93,117,.1);
      background:#fff;
      outline:none;
    }
    .site-footer{
      margin-left:var(--nav-width);
      background:#21111D;
      color:rgba(255,255,255,.82);
      position:relative;
      overflow:hidden;
    }
    .site-footer:before{
      content:"";
      position:absolute;
      right:-140px;
      top:-140px;
      width:380px;
      height:380px;
      border-radius:999px;
      background:radial-gradient(circle,rgba(232,93,117,.24),transparent 70%);
    }
    .footer-link{
      color:rgba(255,255,255,.74);
      transition:color .2s ease,transform .2s ease;
      display:inline-flex;
    }
    .footer-link:hover{color:#fff;transform:translateX(3px)}
    @media (max-width:1024px){
      .side-nav{display:none}
      .mobile-top{display:block}
      .page,.site-footer{margin-left:0}
      .container-custom{width:min(100% - 40px,960px)}
      .section{padding:72px 0}
      .scenario-track{grid-template-columns:1fr}
      .scenario-card:nth-child(2){margin-top:0}
    }
    @media (max-width:768px){
      .container-custom{width:calc(100% - 32px)}
      .section{padding:58px 0}
      .section-tight{padding:48px 0}
      .hero-panel{border-radius:28px;padding:18px}
      .dashboard-line{align-items:flex-start;flex-direction:column}
      .btn{width:100%}
      .matrix-card{min-height:auto}
      .stat-board{border-radius:28px}
    }
    @media (max-width:520px){
      .brand-icon{width:46px;height:46px;border-radius:17px}
      .container-custom{width:calc(100% - 28px)}
      .faq-question{padding:17px 18px}
      .faq-answer{padding:0 18px 18px}
      .step-card{padding:22px}
      .step-number{position:static;margin-bottom:14px}
    }

/* roulang page: category1 */
:root{
      --plum:#551C46;
      --plum-deep:#21111D;
      --rose:#E85D75;
      --orange:#F4A261;
      --cream:#FFF7F1;
      --mist:#FBECEF;
      --text:#2B1A24;
      --muted:#6F5A66;
      --line:rgba(85,28,70,.12);
      --line-strong:rgba(232,93,117,.28);
      --grad:linear-gradient(135deg,#551C46 0%,#E85D75 52%,#F4A261 100%);
      --soft-grad:linear-gradient(180deg,#FFF7F1 0%,#FBECEF 100%);
      --card-grad:linear-gradient(145deg,rgba(255,255,255,.92),rgba(251,236,239,.78));
      --shadow:0 18px 48px rgba(85,28,70,.12);
      --shadow-hover:0 24px 64px rgba(232,93,117,.18);
      --radius-xl:34px;
      --radius-lg:24px;
      --radius-md:18px;
      --nav-w:104px;
    }
    *{box-sizing:border-box}
    html{scroll-behavior:smooth}
    body{
      margin:0;
      font-family:"PingFang SC","Microsoft YaHei","Noto Sans SC","Helvetica Neue",Arial,sans-serif;
      color:var(--text);
      background:
        radial-gradient(circle at 18% 8%,rgba(244,162,97,.18),transparent 32%),
        radial-gradient(circle at 88% 22%,rgba(232,93,117,.15),transparent 28%),
        var(--soft-grad);
      line-height:1.7;
      overflow-x:hidden;
    }
    a{color:inherit;text-decoration:none}
    img{max-width:100%;display:block}
    button,input,select,textarea{font:inherit}
    button{cursor:pointer;border:0}
    ::selection{background:rgba(232,93,117,.22);color:var(--plum)}
    :focus-visible{outline:3px solid rgba(244,162,97,.56);outline-offset:3px}
    .container-custom{width:min(1280px,calc(100% - 48px));margin:0 auto}
    .main-shell{margin-left:var(--nav-w);min-height:100vh}
    .section-pad{padding:86px 0}
    .section-tight{padding:58px 0}
    .eyebrow{
      display:inline-flex;align-items:center;gap:8px;
      padding:8px 13px;border-radius:999px;
      background:rgba(255,255,255,.72);
      border:1px solid var(--line);
      color:var(--plum);
      font-size:13px;font-weight:800;letter-spacing:.03em;
      box-shadow:0 10px 26px rgba(85,28,70,.06);
    }
    .eyebrow:before{
      content:"";width:8px;height:8px;border-radius:999px;background:var(--grad);
      box-shadow:0 0 0 5px rgba(232,93,117,.12);
    }
    .gradient-text{
      background:var(--grad);
      -webkit-background-clip:text;background-clip:text;color:transparent;
    }
    .brand-icon{
      width:42px;height:42px;display:inline-flex;align-items:center;justify-content:center;
      flex:0 0 auto;border-radius:15px;
      background:var(--grad);
      color:#fff;font-weight:950;letter-spacing:-.04em;
      box-shadow:0 12px 28px rgba(232,93,117,.24);
    }
    .side-nav{
      position:fixed;z-index:50;left:0;top:0;width:var(--nav-w);height:100vh;
      padding:18px 12px;
      background:rgba(255,247,241,.92);
      border-right:1px solid var(--line);
      backdrop-filter:blur(16px);
      display:flex;flex-direction:column;align-items:center;justify-content:space-between;
      box-shadow:10px 0 40px rgba(85,28,70,.06);
    }
    .brand-mark{display:flex;flex-direction:column;align-items:center;gap:10px;text-align:center}
    .brand-text{
      writing-mode:vertical-rl;
      font-size:12px;font-weight:900;line-height:1.1;color:var(--plum);letter-spacing:.08em;
      max-height:150px;
    }
    .nav-list{display:flex;flex-direction:column;gap:12px;width:100%;align-items:center}
    .nav-item{
      width:76px;min-height:68px;border-radius:22px;
      display:flex;flex-direction:column;align-items:center;justify-content:center;gap:5px;
      color:var(--muted);font-size:12px;font-weight:800;
      border:1px solid transparent;
      transition:.25s ease;
    }
    .nav-ico{
      width:28px;height:28px;border-radius:11px;
      display:flex;align-items:center;justify-content:center;
      background:rgba(85,28,70,.07);
      color:var(--plum);
      font-size:14px;
    }
    .nav-item:hover{
      transform:translateY(-2px);
      color:var(--plum);
      background:rgba(251,236,239,.85);
      border-color:var(--line);
      box-shadow:0 12px 26px rgba(85,28,70,.08);
    }
    .nav-item.active{
      background:var(--grad);
      color:#fff;
      box-shadow:0 16px 34px rgba(232,93,117,.25);
    }
    .nav-item.active .nav-ico{background:rgba(255,255,255,.22);color:#fff}
    .age-badge{
      width:74px;border-radius:20px;padding:10px 6px;
      text-align:center;font-size:12px;font-weight:900;line-height:1.25;
      color:var(--plum);
      background:rgba(255,255,255,.76);
      border:1px solid var(--line);
    }
    .mobile-header{
      display:none;position:sticky;top:0;z-index:60;
      padding:12px 16px;
      background:rgba(255,247,241,.92);
      backdrop-filter:blur(18px);
      border-bottom:1px solid var(--line);
      box-shadow:0 12px 32px rgba(85,28,70,.06);
    }
    .mobile-menu-panel{
      display:none;margin-top:12px;padding:12px;
      border:1px solid var(--line);
      border-radius:22px;background:rgba(255,255,255,.9);
      box-shadow:var(--shadow);
    }
    .mobile-menu-panel.open{display:block}
    .mobile-link{
      display:flex;align-items:center;justify-content:space-between;
      padding:13px 14px;border-radius:16px;color:var(--plum);font-weight:900;
    }
    .mobile-link.active,.mobile-link:hover{background:rgba(232,93,117,.12)}
    .btn-primary,.btn-secondary{
      display:inline-flex;align-items:center;justify-content:center;gap:9px;
      min-height:48px;padding:13px 20px;border-radius:999px;
      font-weight:900;font-size:15px;transition:.25s ease;
    }
    .btn-primary{
      background:var(--grad);color:white;box-shadow:0 16px 34px rgba(232,93,117,.24);
    }
    .btn-primary:hover{transform:translateY(-2px);box-shadow:var(--shadow-hover);filter:saturate(1.05)}
    .btn-secondary{
      background:rgba(255,255,255,.78);
      color:var(--plum);
      border:1px solid var(--line);
    }
    .btn-secondary:hover{transform:translateY(-2px);border-color:var(--line-strong);background:rgba(251,236,239,.86)}
    .hero{
      position:relative;overflow:hidden;padding:58px 0 38px;
    }
    .hero:before{
      content:"";position:absolute;inset:24px 22px auto auto;width:320px;height:320px;
      border-radius:999px;background:radial-gradient(circle,rgba(232,93,117,.22),transparent 68%);
      pointer-events:none;
    }
    .breadcrumb{
      display:flex;flex-wrap:wrap;gap:9px;align-items:center;
      color:var(--muted);font-size:14px;font-weight:700;
    }
    .breadcrumb a{color:var(--plum)}
    .breadcrumb a:hover{text-decoration:underline;text-decoration-color:var(--rose);text-underline-offset:4px}
    .hero-card,.panel-card,.bento-card,.list-card,.faq-item,.cta-box{
      background:var(--card-grad);
      border:1px solid var(--line);
      box-shadow:var(--shadow);
      border-radius:var(--radius-xl);
    }
    .hero-card{
      position:relative;overflow:hidden;padding:28px;
    }
    .hero-card:after{
      content:"";position:absolute;right:-60px;bottom:-80px;width:210px;height:210px;border-radius:999px;
      background:rgba(244,162,97,.22);
    }
    .search-mock{
      position:relative;z-index:1;
      border-radius:20px;padding:15px 16px;
      background:#fff;border:1px solid var(--line);
      display:flex;align-items:center;gap:12px;color:var(--muted);font-size:14px;font-weight:700;
    }
    .search-dot{width:12px;height:12px;border-radius:999px;background:var(--rose);box-shadow:18px 0 0 rgba(244,162,97,.8),36px 0 0 rgba(85,28,70,.35)}
    .pill{
      display:inline-flex;align-items:center;gap:7px;
      padding:9px 13px;border-radius:999px;
      background:rgba(255,255,255,.74);
      border:1px solid var(--line);
      color:var(--plum);
      font-size:13px;font-weight:850;
      transition:.22s ease;
      white-space:nowrap;
    }
    .pill:hover{transform:translateY(-2px);border-color:var(--line-strong);box-shadow:0 12px 24px rgba(232,93,117,.1)}
    .pill.hot{background:var(--grad);color:#fff;border-color:transparent}
    .tag{
      display:inline-flex;align-items:center;padding:6px 10px;border-radius:999px;
      background:rgba(232,93,117,.1);color:var(--plum);font-size:12px;font-weight:900;
    }
    .dark-rank{
      background:linear-gradient(145deg,#21111D,#551C46 62%,#7b294d);
      color:#fff;border-radius:30px;padding:24px;position:relative;overflow:hidden;
    }
    .dark-rank:before{
      content:"";position:absolute;inset:auto -50px -70px auto;width:190px;height:190px;border-radius:999px;
      background:rgba(244,162,97,.24);
    }
    .rank-row{
      position:relative;z-index:1;display:grid;grid-template-columns:42px 1fr auto;gap:12px;align-items:center;
      padding:13px 0;border-bottom:1px solid rgba(255,255,255,.12);
    }
    .rank-row:last-child{border-bottom:0}
    .rank-num{
      width:34px;height:34px;border-radius:13px;display:flex;align-items:center;justify-content:center;
      background:rgba(255,255,255,.13);font-weight:950;color:#fff;
    }
    .card-hover{transition:.25s ease}
    .card-hover:hover{transform:translateY(-5px);box-shadow:var(--shadow-hover);border-color:var(--line-strong)}
    .bento-card{padding:24px}
    .icon-box{
      width:46px;height:46px;border-radius:17px;display:flex;align-items:center;justify-content:center;
      background:rgba(85,28,70,.08);color:var(--plum);font-weight:950;
    }
    .progress-line{
      height:10px;border-radius:999px;background:rgba(85,28,70,.08);overflow:hidden;
    }
    .progress-line span{display:block;height:100%;border-radius:999px;background:var(--grad)}
    .list-card{padding:20px;border-radius:24px}
    .list-index{
      width:36px;height:36px;border-radius:14px;display:flex;align-items:center;justify-content:center;
      background:rgba(232,93,117,.11);color:var(--plum);font-weight:950;
    }
    .faq-item{border-radius:22px;overflow:hidden}
    .faq-button{
      width:100%;padding:18px 20px;display:flex;align-items:center;justify-content:space-between;gap:16px;
      background:rgba(255,255,255,.62);color:var(--text);font-weight:950;text-align:left;
    }
    .faq-button:hover{background:rgba(251,236,239,.86)}
    .faq-answer{padding:0 20px 18px;color:var(--muted);font-size:15px}
    .faq-item.collapsed .faq-answer{display:none}
    .faq-icon{transition:.2s ease;color:var(--rose);font-weight:950}
    .faq-item.collapsed .faq-icon{transform:rotate(45deg)}
    .cta-box{
      position:relative;overflow:hidden;
      background:linear-gradient(135deg,rgba(85,28,70,.96),rgba(232,93,117,.9) 58%,rgba(244,162,97,.86));
      color:#fff;
    }
    .cta-box:before{
      content:"";position:absolute;left:-80px;bottom:-100px;width:260px;height:260px;border-radius:999px;background:rgba(255,255,255,.12);
    }
    .site-footer{
      position:relative;
      margin-left:var(--nav-w);
      background:linear-gradient(145deg,#21111D 0%,#3a1631 52%,#551C46 100%);
      overflow:hidden;
    }
    .site-footer:before{
      content:"";position:absolute;right:8%;top:-120px;width:300px;height:300px;border-radius:999px;background:rgba(232,93,117,.2);
    }
    .footer-link{
      color:rgba(255,255,255,.72);transition:.2s ease;
    }
    .footer-link:hover{color:#fff;text-decoration:underline;text-decoration-color:var(--orange);text-underline-offset:4px}
    @media (max-width:1024px){
      :root{--nav-w:0px}
      .side-nav{display:none}
      .mobile-header{display:block}
      .main-shell,.site-footer{margin-left:0}
      .container-custom{width:min(100% - 36px,960px)}
      .section-pad{padding:68px 0}
      .hero{padding-top:38px}
    }
    @media (max-width:768px){
      .container-custom{width:min(100% - 32px,720px)}
      .section-pad{padding:56px 0}
      .section-tight{padding:42px 0}
      .hero-card,.panel-card,.cta-box{border-radius:28px}
      .btn-primary,.btn-secondary{width:100%}
    }
    @media (max-width:520px){
      .container-custom{width:min(100% - 28px,520px)}
      .brand-icon{width:38px;height:38px;border-radius:14px}
      .pill{font-size:12px;padding:8px 11px}
      .bento-card,.hero-card{padding:20px}
      .rank-row{grid-template-columns:36px 1fr;align-items:start}
      .rank-row .tag{grid-column:2}
    }

/* roulang page: category2 */
:root{
      --plum:#551C46;
      --plum-deep:#21111D;
      --rose:#E85D75;
      --orange:#F4A261;
      --cream:#FFF7F1;
      --mist:#FBECEF;
      --text:#2B1A24;
      --muted:#6F5A66;
      --line:rgba(85,28,70,.12);
      --line-strong:rgba(232,93,117,.22);
      --green:#4E9C72;
      --warn:#B75B64;
      --radius-xl:34px;
      --radius-lg:24px;
      --radius-md:18px;
      --shadow:0 18px 48px rgba(85,28,70,.12);
      --shadow-hover:0 24px 64px rgba(232,93,117,.18);
      --grad:linear-gradient(135deg,#551C46 0%,#E85D75 52%,#F4A261 100%);
      --soft-grad:linear-gradient(180deg,#FFF7F1 0%,#FBECEF 100%);
    }
    *{box-sizing:border-box}
    html{scroll-behavior:smooth}
    body{
      margin:0;
      font-family:PingFang SC,Microsoft YaHei,Noto Sans SC,Helvetica Neue,Arial,sans-serif;
      color:var(--text);
      background:
        radial-gradient(circle at 18% 8%,rgba(244,162,97,.24),transparent 34%),
        radial-gradient(circle at 82% 20%,rgba(232,93,117,.18),transparent 32%),
        var(--soft-grad);
      line-height:1.75;
      overflow-x:hidden;
    }
    a{color:inherit;text-decoration:none}
    img{max-width:100%;display:block}
    button,input,textarea,select{font:inherit}
    button{cursor:pointer}
    ::selection{background:rgba(232,93,117,.25);color:var(--plum)}
    .container-custom{width:min(1180px,calc(100% - 64px));margin:0 auto}
    .page-shell{padding-left:104px;min-height:100vh}
    .side-nav{
      position:fixed;
      inset:0 auto 0 0;
      width:104px;
      z-index:50;
      padding:20px 14px;
      display:flex;
      flex-direction:column;
      align-items:center;
      justify-content:space-between;
      background:rgba(255,247,241,.88);
      border-right:1px solid var(--line);
      box-shadow:10px 0 40px rgba(85,28,70,.08);
      backdrop-filter:blur(18px);
    }
    .brand-mark{display:flex;flex-direction:column;align-items:center;gap:10px;outline:none}
    .brand-icon{
      width:48px;height:48px;border-radius:16px;
      display:inline-flex;align-items:center;justify-content:center;
      background:var(--grad);
      color:#fff;
      font-weight:900;
      letter-spacing:-.04em;
      box-shadow:0 14px 30px rgba(232,93,117,.28);
      flex:0 0 auto;
    }
    .brand-text{
      writing-mode:vertical-rl;
      font-size:13px;
      font-weight:900;
      color:var(--plum);
      letter-spacing:.08em;
      line-height:1.15;
    }
    .nav-list{display:flex;flex-direction:column;gap:12px;width:100%;align-items:center}
    .nav-item{
      width:76px;
      min-height:70px;
      border-radius:22px;
      display:flex;
      flex-direction:column;
      align-items:center;
      justify-content:center;
      gap:6px;
      font-size:12px;
      font-weight:800;
      color:var(--muted);
      border:1px solid transparent;
      transition:transform .25s ease,box-shadow .25s ease,background .25s ease,color .25s ease,border-color .25s ease;
      outline:none;
    }
    .nav-ico{font-size:18px;line-height:1}
    .nav-item:hover,.nav-item:focus-visible{
      transform:translateY(-2px);
      color:var(--plum);
      background:#fff;
      border-color:var(--line-strong);
      box-shadow:var(--shadow);
    }
    .nav-item.active{
      color:#fff;
      background:var(--grad);
      box-shadow:0 16px 34px rgba(232,93,117,.28);
    }
    .age-badge{
      width:72px;
      border-radius:20px;
      padding:10px 8px;
      text-align:center;
      font-size:12px;
      font-weight:900;
      color:var(--plum);
      background:rgba(255,255,255,.76);
      border:1px solid var(--line);
    }
    .mobile-topbar{display:none}
    .mobile-menu-panel{
      display:none;
      position:fixed;
      left:16px;right:16px;top:76px;
      z-index:70;
      padding:14px;
      border-radius:24px;
      background:rgba(255,247,241,.96);
      border:1px solid var(--line);
      box-shadow:var(--shadow);
      backdrop-filter:blur(18px);
    }
    .mobile-menu-panel.open{display:block}
    .section-pad{padding:88px 0}
    .hero{
      position:relative;
      padding:56px 0 76px;
      overflow:hidden;
    }
    .hero:before{
      content:"";
      position:absolute;
      width:520px;height:520px;border-radius:50%;
      right:-210px;top:-170px;
      background:radial-gradient(circle,rgba(232,93,117,.2),transparent 68%);
      pointer-events:none;
    }
    .eyebrow{
      display:inline-flex;
      align-items:center;
      gap:8px;
      padding:8px 13px;
      border-radius:999px;
      background:rgba(255,255,255,.72);
      border:1px solid var(--line);
      color:var(--plum);
      font-size:13px;
      font-weight:900;
      box-shadow:0 10px 26px rgba(85,28,70,.07);
    }
    .grad-text{
      background:var(--grad);
      -webkit-background-clip:text;
      background-clip:text;
      color:transparent;
    }
    .hero-title{
      margin-top:22px;
      font-size:clamp(34px,5.2vw,58px);
      line-height:1.1;
      letter-spacing:-.05em;
      font-weight:900;
      color:var(--text);
    }
    .hero-desc{
      margin-top:22px;
      color:var(--muted);
      font-size:17px;
      max-width:680px;
    }
    .btn{
      display:inline-flex;
      align-items:center;
      justify-content:center;
      gap:8px;
      min-height:48px;
      padding:13px 22px;
      border-radius:999px;
      border:1px solid transparent;
      font-weight:900;
      font-size:15px;
      transition:transform .25s ease,box-shadow .25s ease,background .25s ease,border-color .25s ease,color .25s ease;
      outline:none;
      white-space:nowrap;
    }
    .btn-primary{background:var(--grad);color:white;box-shadow:0 16px 34px rgba(232,93,117,.26)}
    .btn-primary:hover,.btn-primary:focus-visible{transform:translateY(-2px);box-shadow:var(--shadow-hover)}
    .btn-secondary{background:rgba(255,255,255,.76);color:var(--plum);border-color:var(--line)}
    .btn-secondary:hover,.btn-secondary:focus-visible{transform:translateY(-2px);background:var(--mist);border-color:var(--line-strong)}
    .hero-board{
      position:relative;
      border-radius:var(--radius-xl);
      background:linear-gradient(145deg,rgba(255,255,255,.92),rgba(251,236,239,.82));
      border:1px solid var(--line);
      box-shadow:var(--shadow);
      padding:26px;
      overflow:hidden;
    }
    .hero-board:after{
      content:"";
      position:absolute;
      width:220px;height:220px;border-radius:50%;
      right:-80px;bottom:-80px;
      background:radial-gradient(circle,rgba(244,162,97,.28),transparent 70%);
    }
    .status-pill{
      display:inline-flex;
      align-items:center;
      gap:8px;
      padding:8px 12px;
      border-radius:999px;
      background:#fff;
      border:1px solid var(--line);
      color:var(--muted);
      font-size:12px;
      font-weight:800;
    }
    .dot{width:8px;height:8px;border-radius:50%;background:var(--rose);box-shadow:0 0 0 5px rgba(232,93,117,.12)}
    .safe-meter{
      height:12px;
      border-radius:999px;
      background:rgba(85,28,70,.08);
      overflow:hidden;
    }
    .safe-meter span{
      display:block;
      height:100%;
      width:82%;
      border-radius:999px;
      background:var(--grad);
    }
    .card{
      border-radius:var(--radius-lg);
      background:rgba(255,255,255,.78);
      border:1px solid var(--line);
      box-shadow:0 12px 34px rgba(85,28,70,.08);
      transition:transform .25s ease,box-shadow .25s ease,border-color .25s ease,background .25s ease;
    }
    .card:hover{
      transform:translateY(-4px);
      border-color:var(--line-strong);
      box-shadow:var(--shadow-hover);
      background:rgba(255,255,255,.94);
    }
    .section-kicker{
      color:var(--rose);
      font-size:13px;
      font-weight:900;
      letter-spacing:.12em;
    }
    .section-title{
      margin-top:10px;
      font-size:clamp(28px,3.6vw,42px);
      line-height:1.18;
      font-weight:900;
      letter-spacing:-.04em;
      color:var(--text);
    }
    .section-desc{margin-top:14px;color:var(--muted);font-size:16px;max-width:760px}
    .tag{
      display:inline-flex;
      align-items:center;
      gap:6px;
      padding:7px 11px;
      border-radius:999px;
      background:rgba(251,236,239,.78);
      border:1px solid var(--line);
      color:var(--plum);
      font-size:12px;
      font-weight:900;
    }
    .check-card{
      position:relative;
      padding:22px;
      min-height:168px;
      overflow:hidden;
    }
    .check-icon{
      width:44px;height:44px;border-radius:16px;
      display:flex;align-items:center;justify-content:center;
      color:#fff;
      background:var(--grad);
      font-weight:900;
      box-shadow:0 12px 24px rgba(232,93,117,.22);
    }
    .contrast-card{padding:28px;border-radius:30px;border:1px solid var(--line);box-shadow:var(--shadow)}
    .contrast-bad{background:linear-gradient(145deg,rgba(255,255,255,.78),rgba(255,235,237,.66))}
    .contrast-good{background:linear-gradient(145deg,rgba(255,255,255,.86),rgba(241,251,244,.72));border-color:rgba(78,156,114,.22)}
    .list-row{
      display:flex;
      gap:14px;
      padding:15px 0;
      border-bottom:1px solid var(--line);
      color:var(--muted);
    }
    .list-row:last-child{border-bottom:0}
    .list-mark{
      width:26px;height:26px;border-radius:999px;
      flex:0 0 auto;
      display:flex;align-items:center;justify-content:center;
      font-size:13px;font-weight:900;
      margin-top:2px;
    }
    .mark-warn{background:rgba(183,91,100,.12);color:var(--warn)}
    .mark-good{background:rgba(78,156,114,.13);color:var(--green)}
    .timeline{
      position:relative;
      display:grid;
      grid-template-columns:repeat(4,1fr);
      gap:18px;
    }
    .timeline:before{
      content:"";
      position:absolute;
      left:8%;right:8%;top:38px;
      height:2px;
      background:linear-gradient(90deg,rgba(85,28,70,.08),rgba(232,93,117,.34),rgba(244,162,97,.26));
    }
    .step-card{position:relative;padding:22px;z-index:1}
    .step-no{
      width:54px;height:54px;border-radius:20px;
      display:flex;align-items:center;justify-content:center;
      color:#fff;background:var(--grad);
      font-weight:900;font-size:18px;
      box-shadow:0 14px 28px rgba(232,93,117,.22);
    }
    .faq-item{
      border-radius:22px;
      background:rgba(255,255,255,.76);
      border:1px solid var(--line);
      overflow:hidden;
      box-shadow:0 10px 28px rgba(85,28,70,.06);
    }
    .faq-question{
      width:100%;
      padding:18px 20px;
      display:flex;
      align-items:center;
      justify-content:space-between;
      gap:18px;
      text-align:left;
      color:var(--text);
      font-weight:900;
      background:transparent;
      border:0;
      outline:none;
    }
    .faq-question:focus-visible{box-shadow:inset 0 0 0 3px rgba(232,93,117,.22)}
    .faq-answer{
      padding:0 20px 18px;
      color:var(--muted);
      font-size:15px;
      display:block;
    }
    .faq-item.collapsed .faq-answer{display:none}
    .faq-toggle{color:var(--rose);font-size:20px;transition:transform .2s ease}
    .faq-item:not(.collapsed) .faq-toggle{transform:rotate(45deg)}
    .cta-panel{
      position:relative;
      overflow:hidden;
      border-radius:36px;
      padding:42px;
      background:var(--grad);
      color:#fff;
      box-shadow:0 24px 70px rgba(85,28,70,.2);
    }
    .cta-panel:before{
      content:"";
      position:absolute;
      width:360px;height:360px;border-radius:50%;
      right:-120px;top:-150px;
      background:rgba(255,255,255,.16);
    }
    .site-footer{
      position:relative;
      margin-left:104px;
      background:
        radial-gradient(circle at 18% 10%,rgba(232,93,117,.22),transparent 34%),
        linear-gradient(145deg,#21111D 0%,#551C46 100%);
      overflow:hidden;
    }
    .footer-link{
      color:rgba(255,255,255,.72);
      transition:color .2s ease,transform .2s ease;
      display:inline-block;
    }
    .footer-link:hover,.footer-link:focus-visible{
      color:#fff;
      transform:translateX(3px);
      outline:none;
      text-decoration:underline;
      text-decoration-color:rgba(244,162,97,.8);
      text-underline-offset:4px;
    }
    .rank-card{
      padding:22px;
      border-radius:24px;
      background:linear-gradient(145deg,rgba(255,255,255,.86),rgba(251,236,239,.64));
      border:1px solid var(--line);
      box-shadow:0 12px 32px rgba(85,28,70,.07);
    }
    .rank-num{
      width:42px;height:42px;border-radius:16px;
      display:flex;align-items:center;justify-content:center;
      background:rgba(85,28,70,.08);
      color:var(--plum);
      font-weight:900;
    }
    .mini-input{
      width:100%;
      border:1px solid var(--line);
      background:rgba(255,255,255,.72);
      border-radius:16px;
      padding:13px 15px;
      color:var(--text);
      outline:none;
      transition:border-color .2s ease,box-shadow .2s ease,background .2s ease;
    }
    .mini-input:focus{
      border-color:rgba(232,93,117,.55);
      box-shadow:0 0 0 4px rgba(232,93,117,.14);
      background:#fff;
    }
    @media (max-width:1024px){
      .side-nav{display:none}
      .mobile-topbar{
        display:flex;
        position:sticky;
        top:0;
        z-index:60;
        align-items:center;
        justify-content:space-between;
        padding:12px 18px;
        background:rgba(255,247,241,.92);
        border-bottom:1px solid var(--line);
        backdrop-filter:blur(18px);
      }
      .mobile-brand{display:flex;align-items:center;gap:10px;font-weight:900;color:var(--plum)}
      .menu-btn{
        border:1px solid var(--line);
        background:#fff;
        color:var(--plum);
        border-radius:16px;
        padding:10px 13px;
        font-weight:900;
      }
      .page-shell{padding-left:0}
      .site-footer{margin-left:0}
      .container-custom{width:min(100% - 40px,1180px)}
      .section-pad{padding:68px 0}
      .timeline{grid-template-columns:repeat(2,1fr)}
      .timeline:before{display:none}
    }
    @media (max-width:768px){
      .hero{padding:38px 0 58px}
      .container-custom{width:min(100% - 32px,1180px)}
      .hero-board{padding:20px;border-radius:28px}
      .section-pad{padding:56px 0}
      .timeline{grid-template-columns:1fr}
      .cta-panel{padding:28px;border-radius:28px}
      .btn{width:100%}
      .contrast-card{padding:22px}
    }
    @media (max-width:520px){
      .mobile-menu-panel{left:12px;right:12px;top:72px}
      .brand-icon{width:42px;height:42px;border-radius:14px}
      .hero-title{letter-spacing:-.04em}
      .section-title{letter-spacing:-.03em}
      .tag{font-size:11px}
      .check-card{min-height:auto}
    }