/* roulang page: index */
:root{
      --bg-dark:#07111F;
      --bg-panel:#0E1628;
      --bg-soft:#F7F9FC;
      --text:#1F2937;
      --muted:#6B7280;
      --line:#E5E7EB;
      --cyan:#28E0D6;
      --violet:#7C5CFF;
      --amber:#F6B44B;
      --radius-lg:28px;
      --radius-md:20px;
      --shadow-soft:0 18px 50px rgba(15,23,42,.10);
      --shadow-deep:0 24px 80px rgba(0,0,0,.28);
    }
    *{box-sizing:border-box}
    html{scroll-behavior:smooth}
    body{
      margin:0;
      font-family:system-ui,-apple-system,BlinkMacSystemFont,"PingFang SC","Microsoft YaHei","Noto Sans CJK SC",sans-serif;
      color:var(--text);
      background:linear-gradient(180deg,#fff 0%,var(--bg-soft) 46%,#fff 100%);
      line-height:1.75;
      overflow-x:hidden;
    }
    a{color:inherit;text-decoration:none}
    button,input,textarea,select{font:inherit}
    button{cursor:pointer}
    ::selection{background:rgba(40,224,214,.25);color:#07111F}
    .site-container{width:min(1240px,100%);margin:0 auto;padding-left:40px;padding-right:40px}
    .skip-link{position:absolute;left:-999px;top:auto;width:1px;height:1px;overflow:hidden}
    .skip-link:focus{left:20px;top:20px;width:auto;height:auto;z-index:9999;background:#fff;color:#07111F;padding:10px 14px;border-radius:999px;box-shadow:var(--shadow-soft)}
    .nav-shell{
      position:sticky;top:0;z-index:60;
      background:rgba(255,255,255,.92);
      backdrop-filter:blur(18px);
      border-bottom:1px solid rgba(229,231,235,.88);
      box-shadow:0 8px 28px rgba(15,23,42,.05);
    }
    .nav-bar{height:72px;display:flex;align-items:center;justify-content:space-between;gap:22px}
    .brand{display:flex;align-items:center;gap:12px;min-width:max-content}
    .brand-mark{
      width:42px;height:42px;border-radius:15px;
      background:
        radial-gradient(circle at 28% 24%,rgba(255,255,255,.9),rgba(255,255,255,0) 28%),
        linear-gradient(135deg,var(--cyan),var(--violet));
      box-shadow:0 12px 30px rgba(124,92,255,.24);
      display:grid;place-items:center;color:#fff;font-weight:900;letter-spacing:-.04em;
    }
    .brand-text{font-weight:850;letter-spacing:-.02em;color:#0B1220;font-size:17px;line-height:1.15}
    .brand-sub{display:block;font-size:12px;font-weight:650;color:#6B7280;letter-spacing:0}
    .nav-links{display:flex;align-items:center;gap:6px}
    .nav-link{
      padding:10px 13px;border-radius:999px;font-size:14px;font-weight:700;color:#374151;
      transition:all .22s ease;white-space:nowrap;
    }
    .nav-link:hover{color:#047c78;background:rgba(40,224,214,.10)}
    .nav-link.active{color:#061b26;background:linear-gradient(135deg,rgba(40,224,214,.20),rgba(124,92,255,.12));box-shadow:inset 0 0 0 1px rgba(40,224,214,.18)}
    .nav-actions{display:flex;align-items:center;gap:12px}
    .search-box{
      width:230px;height:42px;border-radius:999px;border:1px solid #E5E7EB;background:#F9FAFB;
      display:flex;align-items:center;gap:8px;padding:0 14px;color:#6B7280;transition:all .22s ease;
    }
    .search-box:focus-within{border-color:rgba(40,224,214,.8);box-shadow:0 0 0 4px rgba(40,224,214,.13);background:#fff}
    .search-box input{width:100%;border:0;background:transparent;outline:0;font-size:14px;color:#111827}
    .btn-primary,.btn-secondary,.btn-dark{
      min-height:44px;border-radius:999px;padding:11px 18px;font-weight:800;display:inline-flex;align-items:center;justify-content:center;gap:8px;
      transition:transform .22s ease,box-shadow .22s ease,border-color .22s ease,background .22s ease;
      border:1px solid transparent;
    }
    .btn-primary{background:linear-gradient(135deg,var(--cyan),var(--violet));color:#fff;box-shadow:0 16px 36px rgba(40,224,214,.22)}
    .btn-primary:hover{transform:translateY(-2px);box-shadow:0 22px 54px rgba(124,92,255,.28),0 10px 34px rgba(40,224,214,.20)}
    .btn-primary:active,.btn-secondary:active,.btn-dark:active{transform:translateY(0) scale(.98)}
    .btn-primary:focus,.btn-secondary:focus,.btn-dark:focus,input:focus,textarea:focus,select:focus{outline:3px solid rgba(40,224,214,.28);outline-offset:2px}
    .btn-secondary{background:rgba(255,255,255,.08);color:#E5E7EB;border-color:rgba(255,255,255,.18)}
    .btn-secondary:hover{background:rgba(255,255,255,.14);border-color:rgba(40,224,214,.42)}
    .btn-dark{background:#0B1220;color:#fff}
    .btn-dark:hover{background:#111c31;box-shadow:0 16px 36px rgba(15,23,42,.20)}
    .menu-btn{display:none;width:44px;height:44px;border-radius:14px;border:1px solid #E5E7EB;background:#fff;align-items:center;justify-content:center;color:#111827}
    .mobile-panel{display:none;border-top:1px solid #E5E7EB;background:rgba(255,255,255,.97);padding:14px 0 18px}
    .mobile-panel.open{display:block}
    .hero{
      position:relative;isolation:isolate;overflow:hidden;
      background:
        radial-gradient(circle at 16% 10%,rgba(40,224,214,.23),transparent 30%),
        radial-gradient(circle at 78% 24%,rgba(124,92,255,.24),transparent 34%),
        linear-gradient(135deg,#07111F 0%,#0B1220 48%,#11172b 100%);
      color:#fff;
      padding:86px 0 80px;
    }
    .hero:before{
      content:"";position:absolute;inset:0;z-index:-1;opacity:.33;
      background-image:linear-gradient(rgba(255,255,255,.06) 1px,transparent 1px),linear-gradient(90deg,rgba(255,255,255,.06) 1px,transparent 1px);
      background-size:44px 44px;
      mask-image:linear-gradient(to bottom,#000,transparent 85%);
    }
    .eyebrow{display:inline-flex;align-items:center;gap:8px;border:1px solid rgba(255,255,255,.16);background:rgba(255,255,255,.08);backdrop-filter:blur(14px);border-radius:999px;padding:8px 12px;font-size:13px;font-weight:800;color:#DFFDFC}
    .eyebrow.light{background:rgba(40,224,214,.10);border-color:rgba(40,224,214,.18);color:#057772}
    .hero-title{font-size:clamp(34px,5.2vw,66px);line-height:1.08;font-weight:900;letter-spacing:-.055em;max-width:680px}
    .hero-title .grad{background:linear-gradient(135deg,#B9FFF9 0%,#A99BFF 75%);-webkit-background-clip:text;background-clip:text;color:transparent}
    .hero-copy{font-size:18px;line-height:1.85;color:#C9D3E1;max-width:640px}
    .trust-row{display:flex;flex-wrap:wrap;gap:10px;margin-top:26px}
    .trust-pill{border:1px solid rgba(255,255,255,.14);background:rgba(255,255,255,.07);color:#DDE7F3;border-radius:999px;padding:8px 12px;font-size:13px;font-weight:750}
    .glass-card{
      background:rgba(255,255,255,.08);backdrop-filter:blur(18px);
      border:1px solid rgba(255,255,255,.14);border-radius:28px;box-shadow:var(--shadow-deep);
    }
    .panel-stack{position:relative;min-height:520px}
    .info-card{position:absolute;padding:22px;border-radius:26px;color:#fff;transition:transform .25s ease, border-color .25s ease}
    .info-card:hover{transform:translateY(-5px);border-color:rgba(40,224,214,.42)}
    .info-card.one{width:78%;right:0;top:0}
    .info-card.two{width:66%;left:0;top:170px}
    .info-card.three{width:72%;right:28px;bottom:0}
    .metric-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:10px;margin-top:18px}
    .metric{border-radius:18px;background:rgba(255,255,255,.07);border:1px solid rgba(255,255,255,.12);padding:14px}
    .metric strong{display:block;font-size:24px;line-height:1;font-weight:900;color:#AFFFF8}
    .metric span{display:block;margin-top:6px;font-size:12px;color:#C9D3E1}
    .section{padding:88px 0}
    .section-tight{padding:68px 0}
    .section-head{display:flex;align-items:end;justify-content:space-between;gap:30px;margin-bottom:34px}
    .section-kicker{font-size:13px;font-weight:900;letter-spacing:.08em;color:#057772;margin-bottom:8px}
    .section-title{font-size:clamp(30px,3.5vw,44px);line-height:1.16;font-weight:900;letter-spacing:-.04em;color:#111827}
    .section-desc{max-width:650px;color:#6B7280;font-size:17px}
    .card{
      border:1px solid rgba(229,231,235,.9);background:#fff;border-radius:26px;box-shadow:var(--shadow-soft);
      transition:transform .25s ease,box-shadow .25s ease,border-color .25s ease;
    }
    .card:hover{transform:translateY(-5px);box-shadow:0 24px 70px rgba(15,23,42,.13);border-color:rgba(40,224,214,.42)}
    .badge{display:inline-flex;align-items:center;gap:7px;border-radius:999px;padding:6px 10px;font-size:12px;font-weight:850;color:#066c68;background:rgba(40,224,214,.12);border:1px solid rgba(40,224,214,.18)}
    .badge.purple{color:#5b45d8;background:rgba(124,92,255,.10);border-color:rgba(124,92,255,.16)}
    .badge.amber{color:#8a5805;background:rgba(246,180,75,.14);border-color:rgba(246,180,75,.25)}
    .icon-tile{width:46px;height:46px;border-radius:17px;display:grid;place-items:center;background:linear-gradient(135deg,rgba(40,224,214,.16),rgba(124,92,255,.14));color:#07363a;font-weight:900}
    .bento{display:grid;grid-template-columns:1.15fr .85fr 1fr;grid-auto-rows:minmax(210px,auto);gap:18px}
    .bento .wide{grid-column:span 2}
    .bento .tall{grid-row:span 2}
    .masonry{columns:3 280px;column-gap:18px}
    .masonry-card{break-inside:avoid;margin-bottom:18px;padding:24px}
    .read-link{display:inline-flex;align-items:center;gap:8px;font-weight:850;color:#067b76;transition:gap .22s ease,color .22s ease}
    .read-link:hover{gap:12px;color:#5b45d8}
    .compare-wrap{display:grid;grid-template-columns:1fr 1fr;gap:20px}
    .compare-card{padding:30px;border-radius:30px;border:1px solid #E5E7EB;background:#fff}
    .compare-card.good{border-color:rgba(40,224,214,.42);background:linear-gradient(135deg,rgba(40,224,214,.10),rgba(124,92,255,.07),#fff);box-shadow:0 24px 70px rgba(40,224,214,.12)}
    .check-list{display:grid;gap:12px;margin-top:20px}
    .check-list li{display:flex;gap:10px;align-items:flex-start;color:#4B5563}
    .mark{width:24px;height:24px;border-radius:999px;display:inline-grid;place-items:center;flex:0 0 auto;font-size:13px;font-weight:900}
    .mark.ok{background:rgba(40,224,214,.16);color:#057772}
    .mark.no{background:rgba(107,114,128,.12);color:#6B7280}
    .category-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}
    .category-card{padding:26px;min-height:245px;display:flex;flex-direction:column;justify-content:space-between}
    .faq-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:16px}
    .faq-item{padding:22px;border-radius:24px;background:#fff;border:1px solid #E5E7EB;box-shadow:0 12px 32px rgba(15,23,42,.06)}
    .faq-item h3{font-size:18px;font-weight:850;color:#111827;margin-bottom:8px}
    .cta-section{
      background:
        radial-gradient(circle at 18% 15%,rgba(40,224,214,.20),transparent 32%),
        radial-gradient(circle at 82% 18%,rgba(124,92,255,.22),transparent 34%),
        linear-gradient(135deg,#07111F,#0B1220 52%,#10172a);
      color:#fff;overflow:hidden;
    }
    .cta-box{border-radius:32px;border:1px solid rgba(255,255,255,.14);background:rgba(255,255,255,.07);backdrop-filter:blur(18px);box-shadow:var(--shadow-deep);padding:34px}
    .form-field label{display:block;font-size:13px;font-weight:850;color:#DCE6F2;margin-bottom:8px}
    .form-field input,.form-field textarea,.form-field select{
      width:100%;border:1px solid rgba(255,255,255,.14);background:rgba(255,255,255,.09);color:#fff;border-radius:16px;padding:12px 14px;outline:0;
      transition:border-color .22s ease,box-shadow .22s ease,background .22s ease;
    }
    .form-field input::placeholder,.form-field textarea::placeholder{color:#9CA3AF}
    .form-field input:focus,.form-field textarea:focus,.form-field select:focus{border-color:rgba(40,224,214,.75);box-shadow:0 0 0 4px rgba(40,224,214,.12);background:rgba(255,255,255,.12)}
    .site-footer{background:#06101d;color:#D1D5DB;padding:58px 0 28px}
    .footer-grid{display:grid;grid-template-columns:1.3fr .7fr .8fr 1fr;gap:28px}
    .footer-title{color:#fff;font-weight:900;margin-bottom:12px}
    .footer-link{display:block;color:#AAB4C3;margin:8px 0;transition:color .2s ease,transform .2s ease}
    .footer-link:hover{color:#28E0D6;transform:translateX(3px)}
    .footer-note{border-top:1px solid rgba(255,255,255,.10);margin-top:36px;padding-top:20px;display:flex;justify-content:space-between;gap:18px;flex-wrap:wrap;color:#8F9BAA;font-size:13px}
    .soft-divider{height:1px;background:linear-gradient(90deg,transparent,#E5E7EB,transparent)}
    @media (max-width:1024px){
      .site-container{padding-left:32px;padding-right:32px}
      .nav-links,.nav-actions{display:none}
      .menu-btn{display:flex}
      .hero{padding:70px 0}
      .panel-stack{min-height:auto;display:grid;gap:16px;margin-top:36px}
      .info-card{position:static;width:100%!important}
      .bento{grid-template-columns:1fr 1fr}
      .bento .wide,.bento .tall{grid-column:auto;grid-row:auto}
      .compare-wrap,.category-grid{grid-template-columns:1fr}
      .footer-grid{grid-template-columns:1fr 1fr}
    }
    @media (max-width:768px){
      .site-container{padding-left:20px;padding-right:20px}
      .brand-text{font-size:15px}
      .brand-sub{font-size:11px}
      .nav-bar{height:66px}
      .hero{padding:54px 0 62px}
      .hero-copy{font-size:16px}
      .section{padding:64px 0}
      .section-tight{padding:52px 0}
      .section-head{display:block}
      .section-desc{margin-top:12px;font-size:16px}
      .bento,.faq-grid{grid-template-columns:1fr}
      .metric-grid{grid-template-columns:1fr}
      .cta-box{padding:24px;border-radius:26px}
      .footer-grid{grid-template-columns:1fr}
    }
    @media (max-width:520px){
      .hero-title{letter-spacing:-.04em}
      .btn-primary,.btn-secondary,.btn-dark{width:100%}
      .mobile-panel .btn-primary{width:100%}
      .trust-row{gap:8px}
      .masonry{columns:1}
      .card,.compare-card{border-radius:22px}
    }

/* roulang page: category1 */
:root{
      --bg-dark:#07111F;
      --bg-deep:#0B1220;
      --bg-mid:#0E1628;
      --bg-soft:#F7F9FC;
      --surface:#FFFFFF;
      --text:#1F2937;
      --muted:#6B7280;
      --muted-2:#94A3B8;
      --line:#E5E7EB;
      --cyan:#28E0D6;
      --purple:#7C5CFF;
      --amber:#F6B44B;
      --radius-xl:28px;
      --radius-lg:22px;
      --radius-md:16px;
      --shadow-soft:0 18px 55px rgba(15,23,42,.10);
      --shadow-card:0 12px 35px rgba(15,23,42,.08);
      --shadow-glow:0 0 0 1px rgba(40,224,214,.18),0 20px 55px rgba(40,224,214,.22);
    }
    *{box-sizing:border-box}
    html{scroll-behavior:smooth}
    body{
      margin:0;
      font-family:system-ui,-apple-system,BlinkMacSystemFont,"PingFang SC","Microsoft YaHei","Noto Sans CJK SC",sans-serif;
      color:var(--text);
      background:
        radial-gradient(circle at 8% 12%,rgba(40,224,214,.08),transparent 26%),
        radial-gradient(circle at 88% 18%,rgba(124,92,255,.08),transparent 28%),
        var(--bg-soft);
      line-height:1.75;
      overflow-x:hidden;
    }
    a{color:inherit;text-decoration:none}
    button,input,textarea,select{font:inherit}
    button{cursor:pointer}
    input,textarea,select{outline:none}
    ::selection{background:rgba(40,224,214,.25)}
    .site-container{
      width:min(100% - 40px,1180px);
      margin-inline:auto;
    }
    .nav-shell{
      position:sticky;
      top:0;
      z-index:60;
      background:rgba(255,255,255,.92);
      backdrop-filter:blur(18px);
      border-bottom:1px solid rgba(229,231,235,.88);
      box-shadow:0 10px 30px rgba(15,23,42,.04);
    }
    .nav-bar{
      min-height:72px;
      display:flex;
      align-items:center;
      justify-content:space-between;
      gap:22px;
    }
    .brand{
      display:inline-flex;
      align-items:center;
      gap:12px;
      min-width:max-content;
      transition:transform .25s ease;
    }
    .brand:hover{transform:translateY(-1px)}
    .brand-mark{
      width:42px;
      height:42px;
      border-radius:14px;
      display:grid;
      place-items:center;
      color:white;
      font-weight:800;
      letter-spacing:.02em;
      background:
        linear-gradient(135deg,var(--cyan),var(--purple));
      box-shadow:0 12px 30px rgba(40,224,214,.28);
    }
    .brand-text{
      font-weight:800;
      color:#0F172A;
      letter-spacing:-.02em;
      line-height:1.15;
      font-size:17px;
    }
    .brand-sub{
      display:block;
      font-size:12px;
      color:#64748B;
      font-weight:650;
      margin-top:2px;
      letter-spacing:.04em;
    }
    .nav-links{
      display:flex;
      align-items:center;
      gap:6px;
      padding:6px;
      background:rgba(247,249,252,.78);
      border:1px solid rgba(229,231,235,.82);
      border-radius:999px;
    }
    .nav-link{
      display:inline-flex;
      align-items:center;
      justify-content:center;
      height:38px;
      padding:0 15px;
      border-radius:999px;
      color:#334155;
      font-size:14px;
      font-weight:700;
      transition:color .22s ease,background .22s ease,transform .22s ease;
    }
    .nav-link:hover{
      color:#0F766E;
      background:rgba(40,224,214,.12);
      transform:translateY(-1px);
    }
    .nav-link.active{
      color:#073B3A;
      background:linear-gradient(135deg,rgba(40,224,214,.22),rgba(124,92,255,.12));
      box-shadow:inset 0 0 0 1px rgba(40,224,214,.18);
    }
    .nav-actions{
      display:flex;
      align-items:center;
      gap:12px;
    }
    .search-box{
      height:42px;
      min-width:210px;
      display:flex;
      align-items:center;
      gap:8px;
      padding:0 14px;
      background:#F1F5F9;
      border:1px solid transparent;
      border-radius:999px;
      color:#64748B;
      transition:border-color .22s ease,box-shadow .22s ease,background .22s ease;
    }
    .search-box:focus-within{
      background:#fff;
      border-color:rgba(40,224,214,.65);
      box-shadow:0 0 0 4px rgba(40,224,214,.13);
    }
    .search-box input{
      width:100%;
      border:0;
      background:transparent;
      color:#0F172A;
      font-size:14px;
    }
    .search-box input::placeholder{color:#94A3B8}
    .btn-primary,.btn-secondary,.btn-ghost{
      min-height:44px;
      display:inline-flex;
      align-items:center;
      justify-content:center;
      gap:8px;
      border-radius:999px;
      padding:0 20px;
      font-size:14px;
      font-weight:800;
      transition:transform .22s ease,box-shadow .22s ease,border-color .22s ease,background .22s ease,color .22s ease;
      border:1px solid transparent;
      white-space:nowrap;
    }
    .btn-primary{
      color:white;
      background:linear-gradient(135deg,var(--cyan),var(--purple));
      box-shadow:0 14px 32px rgba(124,92,255,.22);
    }
    .btn-primary:hover{
      transform:translateY(-2px);
      box-shadow:var(--shadow-glow);
    }
    .btn-primary:active,.btn-secondary:active,.btn-ghost:active{transform:translateY(0) scale(.98)}
    .btn-primary:focus-visible,.btn-secondary:focus-visible,.btn-ghost:focus-visible,.menu-btn:focus-visible{
      outline:3px solid rgba(40,224,214,.34);
      outline-offset:3px;
    }
    .btn-secondary{
      background:#fff;
      color:#0F172A;
      border-color:rgba(226,232,240,.9);
      box-shadow:0 10px 30px rgba(15,23,42,.07);
    }
    .btn-secondary:hover{
      color:#0F766E;
      border-color:rgba(40,224,214,.5);
      background:rgba(240,253,250,.9);
      transform:translateY(-2px);
    }
    .btn-ghost{
      color:#DDEAFE;
      background:rgba(255,255,255,.08);
      border-color:rgba(255,255,255,.16);
    }
    .btn-ghost:hover{
      color:#fff;
      background:rgba(255,255,255,.13);
      border-color:rgba(40,224,214,.38);
      transform:translateY(-2px);
    }
    .menu-btn{
      display:none;
      width:44px;
      height:44px;
      border:1px solid rgba(226,232,240,.9);
      border-radius:14px;
      background:#fff;
      color:#0F172A;
      align-items:center;
      justify-content:center;
      box-shadow:0 10px 25px rgba(15,23,42,.06);
    }
    .mobile-panel{
      display:none;
      padding:0 0 18px;
    }
    .mobile-panel.open{display:block}
    .inner-hero{
      position:relative;
      overflow:hidden;
      padding:72px 0 42px;
      background:
        radial-gradient(circle at 15% 18%,rgba(40,224,214,.22),transparent 28%),
        radial-gradient(circle at 82% 10%,rgba(124,92,255,.18),transparent 31%),
        linear-gradient(135deg,#F8FAFC 0%,#FFFFFF 46%,#EFF6FF 100%);
      border-bottom:1px solid rgba(226,232,240,.9);
    }
    .inner-hero:before{
      content:"";
      position:absolute;
      inset:auto -8% -40% auto;
      width:520px;
      height:520px;
      background:linear-gradient(135deg,rgba(40,224,214,.16),rgba(124,92,255,.12));
      border-radius:50%;
      filter:blur(12px);
    }
    .hero-grid{
      position:relative;
      display:grid;
      grid-template-columns:minmax(0,1.08fr) minmax(330px,.92fr);
      gap:34px;
      align-items:center;
    }
    .eyebrow{
      display:inline-flex;
      align-items:center;
      gap:8px;
      min-height:34px;
      padding:6px 12px;
      border-radius:999px;
      color:#0F766E;
      background:rgba(40,224,214,.12);
      border:1px solid rgba(40,224,214,.26);
      font-size:13px;
      font-weight:800;
      letter-spacing:.03em;
    }
    .hero-title{
      margin:18px 0 18px;
      max-width:780px;
      font-size:clamp(36px,5vw,62px);
      line-height:1.08;
      font-weight:900;
      letter-spacing:-.055em;
      color:#07111F;
    }
    .hero-title .accent{
      background:linear-gradient(135deg,#0F766E,var(--purple));
      -webkit-background-clip:text;
      background-clip:text;
      color:transparent;
    }
    .lead{
      max-width:700px;
      color:#475569;
      font-size:18px;
      line-height:1.85;
    }
    .hero-actions{
      display:flex;
      flex-wrap:wrap;
      gap:12px;
      margin-top:28px;
    }
    .hero-meta{
      display:flex;
      flex-wrap:wrap;
      gap:10px;
      margin-top:26px;
    }
    .meta-chip{
      display:inline-flex;
      align-items:center;
      gap:7px;
      padding:8px 12px;
      border-radius:999px;
      background:rgba(255,255,255,.78);
      border:1px solid rgba(226,232,240,.95);
      color:#475569;
      font-size:13px;
      font-weight:750;
      box-shadow:0 8px 26px rgba(15,23,42,.05);
    }
    .hero-panel{
      position:relative;
      padding:22px;
      border-radius:32px;
      background:linear-gradient(180deg,rgba(7,17,31,.96),rgba(14,22,40,.96));
      border:1px solid rgba(255,255,255,.12);
      box-shadow:0 30px 90px rgba(15,23,42,.24);
      color:#E5E7EB;
    }
    .panel-top{
      display:flex;
      justify-content:space-between;
      align-items:center;
      gap:12px;
      padding-bottom:18px;
      border-bottom:1px solid rgba(255,255,255,.12);
      margin-bottom:18px;
    }
    .status-dot{
      width:10px;
      height:10px;
      border-radius:50%;
      background:var(--cyan);
      box-shadow:0 0 0 6px rgba(40,224,214,.14);
    }
    .grade-stack{
      display:grid;
      gap:12px;
    }
    .grade-card{
      padding:16px;
      border-radius:20px;
      background:rgba(255,255,255,.07);
      border:1px solid rgba(255,255,255,.13);
      backdrop-filter:blur(14px);
      transition:transform .22s ease,border-color .22s ease,background .22s ease;
    }
    .grade-card:hover{
      transform:translateY(-3px);
      border-color:rgba(40,224,214,.42);
      background:rgba(255,255,255,.1);
    }
    .grade-card strong{
      color:#fff;
      display:block;
      font-size:16px;
      margin-bottom:5px;
    }
    .grade-card p{
      margin:0;
      color:#CBD5E1;
      font-size:14px;
      line-height:1.65;
    }
    .grade-row{
      display:flex;
      align-items:center;
      justify-content:space-between;
      gap:12px;
    }
    .score{
      min-width:54px;
      height:34px;
      border-radius:999px;
      display:grid;
      place-items:center;
      font-size:13px;
      font-weight:900;
      color:#07111F;
      background:linear-gradient(135deg,var(--cyan),#C4B5FD);
    }
    .section{
      padding:78px 0;
    }
    .section-tight{padding:54px 0}
    .section-dark{
      background:
        radial-gradient(circle at 10% 10%,rgba(40,224,214,.16),transparent 30%),
        radial-gradient(circle at 90% 20%,rgba(124,92,255,.14),transparent 32%),
        linear-gradient(180deg,var(--bg-dark),var(--bg-deep));
      color:#E5E7EB;
    }
    .section-head{
      margin-bottom:30px;
    }
    .kicker{
      color:#0F766E;
      font-size:13px;
      font-weight:900;
      letter-spacing:.1em;
      text-transform:uppercase;
    }
    .section-title{
      margin:8px 0 12px;
      font-size:clamp(30px,4vw,44px);
      line-height:1.18;
      font-weight:900;
      letter-spacing:-.04em;
      color:#0F172A;
    }
    .section-dark .section-title{color:#fff}
    .section-desc{
      max-width:760px;
      color:#64748B;
      font-size:17px;
      line-height:1.8;
    }
    .section-dark .section-desc{color:#CBD5E1}
    .content-layout{
      display:grid;
      grid-template-columns:280px minmax(0,1fr);
      gap:28px;
      align-items:start;
    }
    .toc{
      position:sticky;
      top:96px;
      border-radius:24px;
      background:rgba(255,255,255,.86);
      border:1px solid rgba(226,232,240,.95);
      box-shadow:var(--shadow-card);
      padding:18px;
    }
    .toc-title{
      display:flex;
      align-items:center;
      justify-content:space-between;
      gap:10px;
      color:#0F172A;
      font-size:15px;
      font-weight:900;
      margin-bottom:12px;
    }
    .toc-title span:last-child{
      width:30px;
      height:30px;
      display:grid;
      place-items:center;
      border-radius:10px;
      color:#0F766E;
      background:rgba(40,224,214,.12);
    }
    .toc-link{
      display:flex;
      align-items:center;
      gap:10px;
      padding:11px 12px;
      border-radius:14px;
      color:#475569;
      font-size:14px;
      font-weight:750;
      transition:background .2s ease,color .2s ease,transform .2s ease;
    }
    .toc-link:before{
      content:"";
      width:6px;
      height:6px;
      border-radius:50%;
      background:#CBD5E1;
      transition:background .2s ease,box-shadow .2s ease;
    }
    .toc-link:hover{
      color:#0F766E;
      background:rgba(40,224,214,.1);
      transform:translateX(2px);
    }
    .toc-link:hover:before{
      background:var(--cyan);
      box-shadow:0 0 0 5px rgba(40,224,214,.14);
    }
    .notice-box{
      margin-top:16px;
      padding:14px;
      border-radius:18px;
      color:#92400E;
      background:rgba(246,180,75,.12);
      border:1px solid rgba(246,180,75,.32);
      font-size:13px;
      line-height:1.7;
    }
    .module-stack{
      display:grid;
      gap:22px;
    }
    .info-card{
      position:relative;
      overflow:hidden;
      border-radius:28px;
      background:#fff;
      border:1px solid rgba(226,232,240,.95);
      box-shadow:var(--shadow-card);
      padding:28px;
      transition:transform .25s ease,box-shadow .25s ease,border-color .25s ease;
    }
    .info-card:hover{
      transform:translateY(-4px);
      border-color:rgba(40,224,214,.46);
      box-shadow:0 22px 60px rgba(15,23,42,.12);
    }
    .info-card:after{
      content:"";
      position:absolute;
      inset:auto -70px -90px auto;
      width:190px;
      height:190px;
      border-radius:50%;
      background:radial-gradient(circle,rgba(40,224,214,.12),transparent 68%);
      pointer-events:none;
    }
    .card-head{
      display:flex;
      align-items:flex-start;
      justify-content:space-between;
      gap:18px;
      margin-bottom:18px;
      position:relative;
      z-index:1;
    }
    .num-icon{
      width:48px;
      height:48px;
      border-radius:18px;
      display:grid;
      place-items:center;
      color:#073B3A;
      font-weight:900;
      background:linear-gradient(135deg,rgba(40,224,214,.24),rgba(124,92,255,.14));
      border:1px solid rgba(40,224,214,.22);
    }
    .info-card h2,.info-card h3{
      color:#0F172A;
      letter-spacing:-.03em;
      line-height:1.22;
    }
    .info-card h2{
      font-size:28px;
      font-weight:900;
      margin:0;
    }
    .info-card h3{
      font-size:21px;
      font-weight:850;
      margin:0 0 8px;
    }
    .info-card p{
      color:#64748B;
      margin:0;
      line-height:1.85;
      position:relative;
      z-index:1;
    }
    .tag-row{
      display:flex;
      flex-wrap:wrap;
      gap:9px;
      margin-top:18px;
      position:relative;
      z-index:1;
    }
    .tag{
      display:inline-flex;
      align-items:center;
      gap:6px;
      min-height:30px;
      padding:5px 10px;
      border-radius:999px;
      font-size:13px;
      font-weight:800;
      color:#0F766E;
      background:rgba(40,224,214,.1);
      border:1px solid rgba(40,224,214,.2);
    }
    .tag.purple{
      color:#5B21B6;
      background:rgba(124,92,255,.1);
      border-color:rgba(124,92,255,.22);
    }
    .tag.amber{
      color:#92400E;
      background:rgba(246,180,75,.12);
      border-color:rgba(246,180,75,.28);
    }
    .principle-grid{
      display:grid;
      grid-template-columns:repeat(3,minmax(0,1fr));
      gap:14px;
      margin-top:22px;
      position:relative;
      z-index:1;
    }
    .principle{
      min-height:144px;
      padding:18px;
      border-radius:20px;
      background:#F8FAFC;
      border:1px solid rgba(226,232,240,.92);
    }
    .principle b{
      display:block;
      color:#0F172A;
      font-size:16px;
      margin-bottom:6px;
    }
    .principle span{
      color:#64748B;
      font-size:14px;
      line-height:1.65;
    }
    .steps{
      display:grid;
      gap:14px;
      margin-top:22px;
      position:relative;
      z-index:1;
    }
    .step{
      display:grid;
      grid-template-columns:52px minmax(0,1fr);
      gap:14px;
      align-items:start;
      padding:16px;
      border-radius:20px;
      background:linear-gradient(135deg,#F8FAFC,#FFFFFF);
      border:1px solid rgba(226,232,240,.95);
    }
    .step-no{
      width:44px;
      height:44px;
      border-radius:16px;
      display:grid;
      place-items:center;
      color:white;
      font-weight:900;
      background:linear-gradient(135deg,var(--cyan),var(--purple));
      box-shadow:0 12px 28px rgba(124,92,255,.17);
    }
    .step strong{
      display:block;
      color:#0F172A;
      font-size:17px;
      margin-bottom:4px;
    }
    .step span{
      color:#64748B;
      font-size:14px;
      line-height:1.7;
    }
    .label-cloud{
      display:grid;
      grid-template-columns:repeat(2,minmax(0,1fr));
      gap:14px;
      margin-top:22px;
      position:relative;
      z-index:1;
    }
    .label-item{
      padding:18px;
      border-radius:20px;
      background:#F8FAFC;
      border:1px solid rgba(226,232,240,.92);
      transition:transform .22s ease,border-color .22s ease,background .22s ease;
    }
    .label-item:hover{
      transform:translateY(-3px);
      border-color:rgba(124,92,255,.35);
      background:#fff;
    }
    .label-item .label-title{
      display:flex;
      align-items:center;
      justify-content:space-between;
      gap:10px;
      margin-bottom:8px;
    }
    .label-item b{color:#0F172A;font-size:16px}
    .label-item small{
      color:#64748B;
      font-size:13px;
      line-height:1.65;
      display:block;
    }
    .alert-panel{
      display:grid;
      grid-template-columns:minmax(0,1fr) 240px;
      gap:22px;
      align-items:center;
      padding:24px;
      border-radius:26px;
      background:
        radial-gradient(circle at 84% 20%,rgba(246,180,75,.2),transparent 34%),
        linear-gradient(135deg,#111827,#0B1220);
      border:1px solid rgba(255,255,255,.12);
      color:#E5E7EB;
      position:relative;
      z-index:1;
    }
    .alert-panel h3{color:#fff;margin:0 0 8px;font-size:23px;font-weight:900}
    .alert-panel p{color:#CBD5E1}
    .age-card{
      padding:18px;
      border-radius:22px;
      background:rgba(255,255,255,.08);
      border:1px solid rgba(255,255,255,.14);
      text-align:center;
    }
    .age-card .big{
      display:block;
      color:var(--amber);
      font-size:44px;
      line-height:1;
      font-weight:950;
      margin-bottom:8px;
    }
    .check-list{
      display:grid;
      grid-template-columns:repeat(2,minmax(0,1fr));
      gap:12px;
      margin-top:18px;
    }
    .check-item{
      display:flex;
      align-items:flex-start;
      gap:10px;
      color:#CBD5E1;
      font-size:14px;
      line-height:1.65;
    }
    .check-item:before{
      content:"✓";
      flex:0 0 22px;
      width:22px;
      height:22px;
      display:grid;
      place-items:center;
      border-radius:50%;
      color:#07111F;
      background:var(--cyan);
      font-size:12px;
      font-weight:900;
      margin-top:2px;
    }
    .faq-grid{
      display:grid;
      grid-template-columns:repeat(2,minmax(0,1fr));
      gap:16px;
      margin-top:26px;
    }
    .faq-item{
      padding:22px;
      border-radius:22px;
      background:#fff;
      border:1px solid rgba(226,232,240,.95);
      box-shadow:0 12px 30px rgba(15,23,42,.06);
      transition:transform .22s ease,border-color .22s ease;
    }
    .faq-item:hover{
      transform:translateY(-3px);
      border-color:rgba(40,224,214,.42);
    }
    .faq-item h3{
      display:flex;
      gap:10px;
      align-items:flex-start;
      color:#0F172A;
      font-size:18px;
      line-height:1.4;
      margin:0 0 9px;
      font-weight:900;
    }
    .faq-item h3 span{
      flex:0 0 28px;
      width:28px;
      height:28px;
      border-radius:10px;
      display:grid;
      place-items:center;
      color:#0F766E;
      background:rgba(40,224,214,.12);
      font-size:14px;
    }
    .faq-item p{margin:0;color:#64748B;font-size:15px;line-height:1.75}
    .cta-box{
      display:grid;
      grid-template-columns:minmax(0,1fr) 360px;
      gap:26px;
      align-items:center;
      padding:34px;
      border-radius:32px;
      background:rgba(255,255,255,.08);
      border:1px solid rgba(255,255,255,.14);
      backdrop-filter:blur(18px);
      box-shadow:0 28px 80px rgba(0,0,0,.22);
    }
    .cta-box h2{
      color:#fff;
      font-size:clamp(28px,4vw,42px);
      line-height:1.16;
      font-weight:950;
      letter-spacing:-.04em;
      margin:0 0 12px;
    }
    .cta-box p{color:#CBD5E1;margin:0;max-width:680px}
    .mini-form{
      display:grid;
      gap:12px;
      padding:16px;
      border-radius:24px;
      background:rgba(7,17,31,.46);
      border:1px solid rgba(255,255,255,.12);
    }
    .form-control{
      display:grid;
      gap:6px;
    }
    .form-control label{
      color:#E5E7EB;
      font-size:13px;
      font-weight:800;
    }
    .form-control input,.form-control select,.form-control textarea{
      width:100%;
      min-height:44px;
      border-radius:15px;
      border:1px solid rgba(255,255,255,.14);
      background:rgba(255,255,255,.08);
      color:#fff;
      padding:10px 13px;
      transition:border-color .2s ease,box-shadow .2s ease,background .2s ease;
    }
    .form-control textarea{min-height:90px;resize:vertical}
    .form-control input::placeholder,.form-control textarea::placeholder{color:#94A3B8}
    .form-control select option{color:#0F172A}
    .form-control input:focus,.form-control select:focus,.form-control textarea:focus{
      border-color:rgba(40,224,214,.66);
      box-shadow:0 0 0 4px rgba(40,224,214,.13);
      background:rgba(255,255,255,.12);
    }
    .privacy-note{
      color:#94A3B8;
      font-size:12px;
      line-height:1.6;
      margin:0;
    }
    .site-footer{
      background:#07111F;
      color:#E5E7EB;
      padding:64px 0 28px;
      border-top:1px solid rgba(255,255,255,.1);
    }
    .footer-grid{
      display:grid;
      grid-template-columns:1.4fr .7fr .7fr 1fr;
      gap:34px;
    }
    .footer-title{
      color:#fff;
      font-size:15px;
      font-weight:900;
      margin-bottom:14px;
    }
    .footer-link{
      display:block;
      width:max-content;
      max-width:100%;
      color:#94A3B8;
      font-size:14px;
      margin:8px 0;
      transition:color .2s ease,transform .2s ease;
    }
    a.footer-link:hover{
      color:var(--cyan);
      transform:translateX(3px);
    }
    .footer-note{
      display:flex;
      align-items:center;
      justify-content:space-between;
      gap:16px;
      margin-top:42px;
      padding-top:22px;
      border-top:1px solid rgba(255,255,255,.1);
      color:#94A3B8;
      font-size:13px;
      line-height:1.6;
    }
    @media (max-width:1024px){
      .nav-links,.nav-actions{display:none}
      .menu-btn{display:flex}
      .mobile-panel .nav-link{
        justify-content:flex-start;
        width:100%;
        background:#F8FAFC;
        border:1px solid rgba(226,232,240,.9);
      }
      .hero-grid,.content-layout,.cta-box{
        grid-template-columns:1fr;
      }
      .toc{
        position:relative;
        top:auto;
      }
      .principle-grid,.faq-grid{
        grid-template-columns:repeat(2,minmax(0,1fr));
      }
      .footer-grid{
        grid-template-columns:1fr 1fr;
      }
    }
    @media (max-width:768px){
      .site-container{width:min(100% - 32px,1180px)}
      .inner-hero{padding:52px 0 34px}
      .section{padding:58px 0}
      .hero-panel,.info-card,.cta-box{border-radius:24px}
      .principle-grid,.label-cloud,.alert-panel,.check-list,.faq-grid{
        grid-template-columns:1fr;
      }
      .footer-note{
        flex-direction:column;
        align-items:flex-start;
      }
      .footer-grid{
        grid-template-columns:1fr;
      }
    }
    @media (max-width:520px){
      .site-container{width:min(100% - 24px,1180px)}
      .brand-mark{width:38px;height:38px;border-radius:13px}
      .brand-text{font-size:15px}
      .hero-title{font-size:34px}
      .lead{font-size:16px}
      .hero-actions .btn-primary,.hero-actions .btn-secondary,.hero-actions .btn-ghost{
        width:100%;
      }
      .info-card{padding:22px}
      .step{grid-template-columns:1fr}
      .card-head{flex-direction:column}
      .cta-box{padding:22px}
    }

/* roulang page: category2 */
:root{
      --bg:#F7F9FC;
      --panel:#FFFFFF;
      --night:#07111F;
      --ink:#0B1220;
      --muted:#6B7280;
      --text:#1F2937;
      --line:#E5E7EB;
      --cyan:#28E0D6;
      --violet:#7C5CFF;
      --amber:#F6B44B;
      --radius-xl:28px;
      --radius-lg:22px;
      --radius-md:16px;
      --shadow-soft:0 18px 60px rgba(15,23,42,.10);
      --shadow-card:0 12px 36px rgba(15,23,42,.08);
      --container:1180px;
    }

    *{box-sizing:border-box}
    html{scroll-behavior:smooth}
    body{
      margin:0;
      font-family:system-ui,-apple-system,BlinkMacSystemFont,"PingFang SC","Microsoft YaHei","Noto Sans CJK SC",sans-serif;
      color:var(--text);
      background:
        radial-gradient(circle at 8% 12%, rgba(40,224,214,.10), transparent 28%),
        radial-gradient(circle at 92% 18%, rgba(124,92,255,.10), transparent 26%),
        var(--bg);
      line-height:1.75;
      overflow-x:hidden;
    }
    a{color:inherit;text-decoration:none}
    button,input,textarea,select{font:inherit}
    input,textarea,select{outline:none}
    ::selection{background:rgba(40,224,214,.28)}

    .site-container{
      width:min(var(--container), calc(100% - 40px));
      margin-inline:auto;
    }

    .nav-shell{
      position:sticky;
      top:0;
      z-index:50;
      background:rgba(255,255,255,.88);
      backdrop-filter:blur(18px);
      border-bottom:1px solid rgba(229,231,235,.88);
      box-shadow:0 8px 28px rgba(15,23,42,.05);
    }
    .nav-bar{
      height:72px;
      display:flex;
      align-items:center;
      justify-content:space-between;
      gap:22px;
    }
    .brand{
      display:inline-flex;
      align-items:center;
      gap:12px;
      min-width:max-content;
      font-weight:800;
      letter-spacing:-.02em;
    }
    .brand-mark{
      width:42px;
      height:42px;
      border-radius:14px;
      display:grid;
      place-items:center;
      color:#fff;
      font-weight:900;
      background:
        linear-gradient(135deg, var(--cyan), var(--violet));
      box-shadow:0 12px 30px rgba(40,224,214,.26);
    }
    .brand-text{
      color:#111827;
      font-size:17px;
      line-height:1.15;
      white-space:nowrap;
    }
    .brand-sub{
      display:block;
      margin-top:3px;
      font-size:12px;
      color:#6B7280;
      font-weight:700;
      letter-spacing:.08em;
    }
    .nav-links{
      display:flex;
      align-items:center;
      gap:6px;
      padding:6px;
      border:1px solid rgba(229,231,235,.76);
      border-radius:999px;
      background:rgba(247,249,252,.72);
    }
    .nav-link{
      display:inline-flex;
      align-items:center;
      justify-content:center;
      height:38px;
      padding:0 15px;
      border-radius:999px;
      color:#374151;
      font-size:14px;
      font-weight:700;
      transition:all .22s ease;
      white-space:nowrap;
    }
    .nav-link:hover{
      color:#0f766e;
      background:rgba(40,224,214,.10);
    }
    .nav-link.active{
      color:#062f35;
      background:linear-gradient(135deg, rgba(40,224,214,.18), rgba(124,92,255,.12));
      box-shadow:inset 0 0 0 1px rgba(40,224,214,.22);
    }
    .nav-actions{
      display:flex;
      align-items:center;
      gap:12px;
    }
    .search-box{
      height:42px;
      width:220px;
      display:flex;
      align-items:center;
      gap:8px;
      padding:0 14px;
      border:1px solid rgba(229,231,235,.90);
      border-radius:999px;
      background:#F8FAFC;
      color:#64748B;
      transition:all .22s ease;
    }
    .search-box:focus-within{
      border-color:rgba(40,224,214,.72);
      box-shadow:0 0 0 4px rgba(40,224,214,.14);
      background:#fff;
    }
    .search-box input{
      width:100%;
      border:0;
      background:transparent;
      color:#111827;
      font-size:14px;
    }
    .search-box input::placeholder{color:#94A3B8}
    .btn-primary,.btn-secondary,.btn-dark,.btn-ghost{
      min-height:44px;
      display:inline-flex;
      align-items:center;
      justify-content:center;
      gap:8px;
      border-radius:999px;
      font-weight:800;
      transition:transform .2s ease, box-shadow .2s ease, border-color .2s ease, background .2s ease;
      cursor:pointer;
    }
    .btn-primary{
      padding:0 20px;
      color:#fff;
      background:linear-gradient(135deg, var(--cyan), var(--violet));
      box-shadow:0 14px 32px rgba(40,224,214,.24);
    }
    .btn-primary:hover{transform:translateY(-2px);box-shadow:0 18px 44px rgba(124,92,255,.30)}
    .btn-primary:active,.btn-secondary:active,.btn-dark:active,.btn-ghost:active{transform:scale(.98)}
    .btn-primary:focus-visible,.btn-secondary:focus-visible,.btn-dark:focus-visible,.btn-ghost:focus-visible,.menu-btn:focus-visible{
      outline:3px solid rgba(40,224,214,.34);
      outline-offset:3px;
    }
    .btn-secondary{
      padding:0 20px;
      color:#E5E7EB;
      border:1px solid rgba(255,255,255,.20);
      background:rgba(255,255,255,.08);
      backdrop-filter:blur(14px);
    }
    .btn-secondary:hover{background:rgba(255,255,255,.13);border-color:rgba(40,224,214,.35)}
    .btn-dark{
      padding:0 20px;
      color:#07111F;
      background:#fff;
      border:1px solid rgba(255,255,255,.70);
    }
    .btn-dark:hover{transform:translateY(-2px);box-shadow:0 18px 36px rgba(255,255,255,.12)}
    .btn-ghost{
      padding:0 18px;
      color:#0F766E;
      border:1px solid rgba(40,224,214,.32);
      background:rgba(40,224,214,.07);
    }
    .btn-ghost:hover{background:rgba(40,224,214,.13);transform:translateY(-2px)}
    .menu-btn{
      display:none;
      width:44px;
      height:44px;
      border:1px solid var(--line);
      border-radius:14px;
      background:#fff;
      color:#111827;
      transition:all .2s ease;
    }
    .menu-btn:hover{border-color:rgba(40,224,214,.55);box-shadow:0 10px 24px rgba(15,23,42,.08)}
    .mobile-panel{
      display:none;
      padding:0 0 18px;
    }

    .inner-hero{
      position:relative;
      padding:72px 0 42px;
      overflow:hidden;
      background:
        linear-gradient(135deg, rgba(255,255,255,.86), rgba(247,249,252,.74)),
        radial-gradient(circle at 76% 18%, rgba(40,224,214,.22), transparent 26%),
        radial-gradient(circle at 18% 76%, rgba(124,92,255,.18), transparent 30%);
      border-bottom:1px solid rgba(229,231,235,.8);
    }
    .inner-hero:before{
      content:"";
      position:absolute;
      inset:auto -8% -38% auto;
      width:520px;
      height:520px;
      border-radius:50%;
      background:radial-gradient(circle, rgba(40,224,214,.15), transparent 68%);
      pointer-events:none;
    }
    .hero-grid{
      position:relative;
      display:grid;
      grid-template-columns:minmax(0,1.04fr) minmax(360px,.76fr);
      gap:36px;
      align-items:center;
    }
    .eyebrow{
      display:inline-flex;
      align-items:center;
      gap:9px;
      width:max-content;
      max-width:100%;
      padding:8px 12px;
      border-radius:999px;
      border:1px solid rgba(40,224,214,.32);
      background:rgba(40,224,214,.10);
      color:#0f766e;
      font-size:13px;
      font-weight:850;
      letter-spacing:.04em;
    }
    h1{
      margin:20px 0 18px;
      max-width:780px;
      color:#0F172A;
      font-size:clamp(36px,5vw,64px);
      line-height:1.08;
      letter-spacing:-.055em;
      font-weight:900;
    }
    .hero-lead{
      max-width:720px;
      color:#475569;
      font-size:18px;
      line-height:1.9;
    }
    .hero-actions{
      display:flex;
      flex-wrap:wrap;
      gap:12px;
      margin-top:28px;
    }
    .micro-row{
      display:flex;
      flex-wrap:wrap;
      gap:10px;
      margin-top:26px;
    }
    .micro-tag{
      display:inline-flex;
      align-items:center;
      gap:7px;
      padding:8px 11px;
      border-radius:999px;
      background:#fff;
      border:1px solid rgba(229,231,235,.9);
      color:#64748B;
      font-size:13px;
      font-weight:750;
      box-shadow:0 8px 24px rgba(15,23,42,.05);
    }
    .privacy-panel{
      position:relative;
      border-radius:32px;
      padding:22px;
      color:#E5E7EB;
      background:
        radial-gradient(circle at 20% 0%, rgba(40,224,214,.28), transparent 32%),
        radial-gradient(circle at 100% 60%, rgba(124,92,255,.25), transparent 34%),
        linear-gradient(145deg, #07111F, #0E1628);
      border:1px solid rgba(255,255,255,.14);
      box-shadow:0 30px 90px rgba(2,8,23,.28);
      overflow:hidden;
    }
    .privacy-panel:after{
      content:"";
      position:absolute;
      inset:18px;
      border:1px solid rgba(255,255,255,.07);
      border-radius:26px;
      pointer-events:none;
    }
    .panel-top{
      position:relative;
      display:flex;
      justify-content:space-between;
      gap:16px;
      align-items:flex-start;
      z-index:1;
    }
    .shield{
      width:62px;
      height:62px;
      border-radius:22px;
      display:grid;
      place-items:center;
      color:#07111F;
      font-size:28px;
      background:linear-gradient(135deg, var(--cyan), #fff);
      box-shadow:0 16px 42px rgba(40,224,214,.26);
    }
    .status-pill{
      display:inline-flex;
      align-items:center;
      gap:7px;
      padding:7px 10px;
      border-radius:999px;
      border:1px solid rgba(255,255,255,.14);
      background:rgba(255,255,255,.08);
      color:#CFFAFE;
      font-size:12px;
      font-weight:800;
    }
    .check-stack{
      position:relative;
      z-index:1;
      display:grid;
      gap:12px;
      margin-top:22px;
    }
    .check-item{
      display:grid;
      grid-template-columns:28px 1fr auto;
      gap:12px;
      align-items:center;
      padding:14px;
      border-radius:18px;
      background:rgba(255,255,255,.08);
      border:1px solid rgba(255,255,255,.12);
      backdrop-filter:blur(14px);
    }
    .check-dot{
      width:28px;
      height:28px;
      display:grid;
      place-items:center;
      border-radius:50%;
      color:#07111F;
      background:var(--cyan);
      font-weight:900;
      font-size:13px;
    }
    .check-item strong{display:block;color:#fff;line-height:1.25}
    .check-item span{color:#94A3B8;font-size:12px}
    .level{
      color:#CFFAFE;
      font-size:12px;
      font-weight:850;
    }

    .section{
      padding:84px 0;
    }
    .section-tight{padding:64px 0}
    .section-dark{
      color:#E5E7EB;
      background:
        radial-gradient(circle at 10% 0%, rgba(40,224,214,.18), transparent 28%),
        radial-gradient(circle at 90% 20%, rgba(124,92,255,.18), transparent 30%),
        linear-gradient(145deg, #07111F, #0B1220 60%, #0E1628);
    }
    .section-head{
      display:flex;
      justify-content:space-between;
      gap:24px;
      align-items:end;
      margin-bottom:34px;
    }
    .section-kicker{
      color:#0f766e;
      font-size:13px;
      font-weight:900;
      letter-spacing:.12em;
      margin-bottom:8px;
    }
    .section-dark .section-kicker{color:#67E8F9}
    h2{
      margin:0;
      max-width:780px;
      color:#0F172A;
      font-size:clamp(30px,3.7vw,44px);
      line-height:1.16;
      letter-spacing:-.04em;
      font-weight:900;
    }
    .section-dark h2{color:#fff}
    .section-summary{
      max-width:520px;
      color:#64748B;
      font-size:16px;
      margin:0;
    }
    .section-dark .section-summary{color:#CBD5E1}

    .layout-two{
      display:grid;
      grid-template-columns:310px minmax(0,1fr);
      gap:28px;
      align-items:start;
    }
    .side-index{
      position:sticky;
      top:96px;
      padding:18px;
      border-radius:24px;
      background:#fff;
      border:1px solid rgba(229,231,235,.9);
      box-shadow:var(--shadow-card);
    }
    .side-title{
      font-size:14px;
      font-weight:900;
      color:#0F172A;
      margin-bottom:12px;
    }
    .side-index a{
      display:flex;
      align-items:center;
      justify-content:space-between;
      gap:10px;
      padding:11px 12px;
      border-radius:14px;
      color:#475569;
      font-size:14px;
      font-weight:750;
      transition:all .2s ease;
    }
    .side-index a:hover{
      color:#0f766e;
      background:rgba(40,224,214,.09);
      transform:translateX(3px);
    }
    .side-note{
      margin-top:14px;
      padding:14px;
      border-radius:16px;
      background:rgba(246,180,75,.12);
      border:1px solid rgba(246,180,75,.26);
      color:#92400E;
      font-size:13px;
      line-height:1.65;
    }

    .content-stack{
      display:grid;
      gap:22px;
    }
    .card{
      border-radius:var(--radius-lg);
      background:#fff;
      border:1px solid rgba(229,231,235,.9);
      box-shadow:var(--shadow-card);
      transition:transform .22s ease, box-shadow .22s ease, border-color .22s ease;
    }
    .card:hover{
      transform:translateY(-4px);
      border-color:rgba(40,224,214,.42);
      box-shadow:0 22px 56px rgba(15,23,42,.12);
    }
    .guide-card{
      padding:28px;
    }
    .guide-title-row{
      display:flex;
      align-items:flex-start;
      justify-content:space-between;
      gap:18px;
      margin-bottom:14px;
    }
    .number-badge{
      flex:0 0 auto;
      width:42px;
      height:42px;
      border-radius:15px;
      display:grid;
      place-items:center;
      color:#07111F;
      font-weight:950;
      background:linear-gradient(135deg, rgba(40,224,214,.92), rgba(255,255,255,.95));
      box-shadow:0 12px 24px rgba(40,224,214,.18);
    }
    h3{
      margin:0;
      color:#111827;
      font-size:22px;
      line-height:1.28;
      font-weight:900;
      letter-spacing:-.02em;
    }
    .guide-card p{
      margin:0;
      color:#64748B;
      font-size:16px;
    }
    .tag-row{
      display:flex;
      flex-wrap:wrap;
      gap:8px;
      margin-top:18px;
    }
    .tag{
      display:inline-flex;
      align-items:center;
      gap:6px;
      padding:6px 10px;
      border-radius:999px;
      border:1px solid rgba(229,231,235,.92);
      background:#F8FAFC;
      color:#64748B;
      font-size:12px;
      font-weight:850;
    }
    .tag.hot{
      color:#6D28D9;
      border-color:rgba(124,92,255,.22);
      background:rgba(124,92,255,.08);
    }
    .tag.safe{
      color:#0f766e;
      border-color:rgba(40,224,214,.28);
      background:rgba(40,224,214,.09);
    }

    .checklist-grid{
      display:grid;
      grid-template-columns:1fr 1fr;
      gap:18px;
    }
    .mini-check{
      display:flex;
      gap:13px;
      padding:18px;
      border-radius:20px;
      background:#fff;
      border:1px solid rgba(229,231,235,.9);
      box-shadow:0 10px 28px rgba(15,23,42,.06);
      transition:all .2s ease;
    }
    .mini-check:hover{
      transform:translateY(-3px);
      border-color:rgba(40,224,214,.35);
    }
    .mini-icon{
      width:38px;
      height:38px;
      flex:0 0 auto;
      display:grid;
      place-items:center;
      border-radius:14px;
      background:linear-gradient(135deg, rgba(40,224,214,.16), rgba(124,92,255,.12));
      color:#0f766e;
      font-weight:950;
    }
    .mini-check strong{display:block;color:#0F172A;font-weight:900;line-height:1.35}
    .mini-check span{display:block;margin-top:4px;color:#64748B;font-size:14px;line-height:1.65}

    .risk-grid{
      display:grid;
      grid-template-columns:repeat(3,1fr);
      gap:18px;
    }
    .risk-card{
      min-height:230px;
      padding:24px;
      border-radius:24px;
      background:rgba(255,255,255,.08);
      border:1px solid rgba(255,255,255,.13);
      backdrop-filter:blur(16px);
      transition:all .22s ease;
    }
    .risk-card:hover{
      transform:translateY(-5px);
      border-color:rgba(40,224,214,.42);
      box-shadow:0 24px 70px rgba(0,0,0,.20);
    }
    .risk-icon{
      width:44px;
      height:44px;
      border-radius:16px;
      display:grid;
      place-items:center;
      background:rgba(40,224,214,.14);
      color:#67E8F9;
      font-weight:950;
      margin-bottom:18px;
    }
    .risk-card h3{color:#fff;font-size:20px}
    .risk-card p{color:#CBD5E1;margin:10px 0 0;font-size:15px}
    .risk-card.warning .risk-icon{
      background:rgba(246,180,75,.16);
      color:#FCD34D;
    }

    .device-board{
      display:grid;
      grid-template-columns:1fr 1fr;
      gap:22px;
    }
    .device-card{
      padding:26px;
      border-radius:26px;
      background:#fff;
      border:1px solid rgba(229,231,235,.9);
      box-shadow:var(--shadow-card);
    }
    .device-list{
      display:grid;
      gap:12px;
      margin:18px 0 0;
      padding:0;
      list-style:none;
    }
    .device-list li{
      position:relative;
      padding-left:32px;
      color:#475569;
      font-size:15px;
    }
    .device-list li:before{
      content:"";
      position:absolute;
      left:0;
      top:.55em;
      width:18px;
      height:18px;
      border-radius:50%;
      background:linear-gradient(135deg, var(--cyan), var(--violet));
      box-shadow:0 6px 16px rgba(40,224,214,.22);
    }
    .device-list li:after{
      content:"✓";
      position:absolute;
      left:4px;
      top:.22em;
      color:#fff;
      font-size:11px;
      font-weight:900;
    }

    .report-panel{
      display:grid;
      grid-template-columns:.85fr 1.15fr;
      gap:24px;
      align-items:stretch;
      padding:28px;
      border-radius:32px;
      background:
        radial-gradient(circle at 0% 0%, rgba(40,224,214,.20), transparent 30%),
        radial-gradient(circle at 100% 100%, rgba(124,92,255,.18), transparent 34%),
        #fff;
      border:1px solid rgba(229,231,235,.9);
      box-shadow:var(--shadow-soft);
    }
    .report-info{
      padding:26px;
      border-radius:24px;
      color:#E5E7EB;
      background:linear-gradient(145deg, #07111F, #0E1628);
      border:1px solid rgba(255,255,255,.12);
    }
    .report-info p{color:#CBD5E1;margin:14px 0 0}
    .report-form{
      display:grid;
      grid-template-columns:1fr 1fr;
      gap:14px;
    }
    .field.full{grid-column:1/-1}
    .field label{
      display:block;
      margin-bottom:7px;
      color:#334155;
      font-size:13px;
      font-weight:850;
    }
    .field input,.field select,.field textarea{
      width:100%;
      min-height:46px;
      border:1px solid rgba(203,213,225,.9);
      border-radius:16px;
      background:#fff;
      padding:11px 13px;
      color:#111827;
      transition:all .2s ease;
    }
    .field textarea{min-height:116px;resize:vertical}
    .field input:focus,.field select:focus,.field textarea:focus{
      border-color:rgba(40,224,214,.76);
      box-shadow:0 0 0 4px rgba(40,224,214,.13);
    }
    .form-note{
      grid-column:1/-1;
      color:#64748B;
      font-size:13px;
      margin:0;
    }

    .faq-grid{
      display:grid;
      grid-template-columns:1fr 1fr;
      gap:18px;
    }
    .faq-item{
      padding:24px;
      border-radius:24px;
      background:#fff;
      border:1px solid rgba(229,231,235,.9);
      box-shadow:0 12px 32px rgba(15,23,42,.06);
      transition:all .2s ease;
    }
    .faq-item:hover{
      transform:translateY(-3px);
      border-color:rgba(124,92,255,.26);
    }
    .faq-item h3{
      display:flex;
      gap:10px;
      align-items:flex-start;
      font-size:18px;
    }
    .faq-item h3 span{
      flex:0 0 auto;
      width:28px;
      height:28px;
      display:grid;
      place-items:center;
      border-radius:10px;
      color:#0f766e;
      background:rgba(40,224,214,.12);
      font-size:14px;
    }
    .faq-item p{
      color:#64748B;
      margin:12px 0 0;
      font-size:15px;
    }

    .cta-wrap{
      padding:42px;
      border-radius:32px;
      background:
        radial-gradient(circle at 12% 10%, rgba(40,224,214,.22), transparent 24%),
        radial-gradient(circle at 88% 72%, rgba(124,92,255,.22), transparent 28%),
        rgba(255,255,255,.08);
      border:1px solid rgba(255,255,255,.14);
      backdrop-filter:blur(18px);
      box-shadow:0 24px 80px rgba(0,0,0,.24);
      display:flex;
      align-items:center;
      justify-content:space-between;
      gap:24px;
    }
    .cta-wrap h2{color:#fff}
    .cta-wrap p{color:#CBD5E1;max-width:660px;margin:14px 0 0}

    .site-footer{
      padding:64px 0 28px;
      color:#E5E7EB;
      background:#07111F;
    }
    .footer-grid{
      display:grid;
      grid-template-columns:1.25fr .72fr .72fr .95fr;
      gap:36px;
      padding-bottom:34px;
      border-bottom:1px solid rgba(255,255,255,.10);
    }
    .footer-title{
      color:#fff;
      font-weight:900;
      margin-bottom:14px;
      font-size:15px;
    }
    .footer-link{
      display:block;
      width:max-content;
      max-width:100%;
      color:#94A3B8;
      margin:9px 0;
      font-size:14px;
      transition:all .2s ease;
    }
    a.footer-link:hover{
      color:#67E8F9;
      transform:translateX(3px);
    }
    .footer-note{
      display:flex;
      justify-content:space-between;
      gap:20px;
      flex-wrap:wrap;
      padding-top:22px;
      color:#94A3B8;
      font-size:13px;
    }

    @media (max-width:1024px){
      .nav-links,.nav-actions{display:none}
      .menu-btn{display:grid;place-items:center}
      .mobile-panel.is-open{display:block}
      .mobile-panel .nav-link{
        justify-content:flex-start;
        width:100%;
        background:#fff;
        border:1px solid rgba(229,231,235,.85);
      }
      .hero-grid,.layout-two,.report-panel{
        grid-template-columns:1fr;
      }
      .side-index{position:relative;top:auto}
      .risk-grid{grid-template-columns:1fr 1fr}
      .footer-grid{grid-template-columns:1fr 1fr}
    }
    @media (max-width:768px){
      .site-container{width:min(100% - 32px, var(--container))}
      .inner-hero{padding:54px 0 34px}
      .section{padding:62px 0}
      .section-tight{padding:50px 0}
      .section-head{
        display:block;
      }
      .section-summary{margin-top:12px}
      .privacy-panel{border-radius:26px;padding:18px}
      .check-item{grid-template-columns:28px 1fr}
      .level{grid-column:2}
      .checklist-grid,.device-board,.faq-grid,.risk-grid,.report-form{
        grid-template-columns:1fr;
      }
      .field.full{grid-column:auto}
      .cta-wrap{
        padding:28px;
        display:block;
      }
      .cta-wrap .hero-actions{margin-top:22px}
    }
    @media (max-width:520px){
      .nav-bar{height:66px}
      .brand-mark{width:38px;height:38px;border-radius:13px}
      .brand-text{font-size:15px}
      h1{font-size:36px;letter-spacing:-.04em}
      h2{font-size:29px}
      .hero-actions .btn-primary,.hero-actions .btn-secondary,.hero-actions .btn-dark,.hero-actions .btn-ghost{
        width:100%;
      }
      .guide-card,.report-panel{padding:20px}
      .footer-grid{grid-template-columns:1fr}
      .footer-note{display:block}
      .footer-note span{display:block;margin-top:8px}
    }

/* roulang page: category3 */
:root{
      --bg-dark:#07111F;
      --bg-deep:#0B1220;
      --bg-soft:#F7F9FC;
      --card:#FFFFFF;
      --text:#1F2937;
      --muted:#6B7280;
      --line:#E5E7EB;
      --cyan:#28E0D6;
      --purple:#7C5CFF;
      --amber:#F6B44B;
      --radius-xl:28px;
      --radius-lg:22px;
      --radius-md:16px;
      --shadow-soft:0 18px 55px rgba(15,23,42,.10);
      --shadow-glow:0 18px 54px rgba(40,224,214,.25);
      --container:1240px;
    }

    *{box-sizing:border-box}
    html{scroll-behavior:smooth}
    body{
      margin:0;
      font-family:system-ui,-apple-system,BlinkMacSystemFont,"PingFang SC","Microsoft YaHei","Noto Sans CJK SC",sans-serif;
      color:var(--text);
      background:
        radial-gradient(circle at 12% 8%, rgba(40,224,214,.10), transparent 28%),
        radial-gradient(circle at 90% 12%, rgba(124,92,255,.10), transparent 30%),
        var(--bg-soft);
      line-height:1.75;
      overflow-x:hidden;
    }
    a{color:inherit;text-decoration:none}
    button,input,select,textarea{font:inherit}
    input,textarea,select{outline:none}
    ::selection{background:rgba(40,224,214,.28)}
    .site-container{
      width:min(var(--container), calc(100% - 40px));
      margin-inline:auto;
    }

    .nav-shell{
      position:sticky;
      top:0;
      z-index:50;
      background:rgba(255,255,255,.92);
      backdrop-filter:blur(18px);
      border-bottom:1px solid rgba(229,231,235,.9);
      box-shadow:0 10px 35px rgba(15,23,42,.05);
    }
    .nav-bar{
      height:72px;
      display:flex;
      align-items:center;
      justify-content:space-between;
      gap:22px;
    }
    .brand{
      display:inline-flex;
      align-items:center;
      gap:12px;
      min-width:max-content;
    }
    .brand-mark{
      width:42px;
      height:42px;
      border-radius:14px;
      display:grid;
      place-items:center;
      color:#fff;
      font-weight:900;
      background:linear-gradient(135deg,var(--cyan),var(--purple));
      box-shadow:0 12px 28px rgba(124,92,255,.24);
    }
    .brand-text{
      font-weight:850;
      letter-spacing:-.02em;
      color:#111827;
      line-height:1.1;
      font-size:16px;
    }
    .brand-sub{
      display:block;
      margin-top:3px;
      font-size:12px;
      color:#64748B;
      font-weight:650;
      letter-spacing:.08em;
    }
    .nav-links{
      display:flex;
      align-items:center;
      gap:6px;
      padding:6px;
      background:#F8FAFC;
      border:1px solid #EEF2F7;
      border-radius:999px;
    }
    .nav-link{
      display:inline-flex;
      align-items:center;
      justify-content:center;
      min-height:38px;
      padding:0 15px;
      border-radius:999px;
      font-size:14px;
      font-weight:750;
      color:#475569;
      transition:.22s ease;
      white-space:nowrap;
    }
    .nav-link:hover{
      color:#0891B2;
      background:rgba(40,224,214,.10);
    }
    .nav-link.active{
      color:#0F766E;
      background:linear-gradient(135deg, rgba(40,224,214,.18), rgba(124,92,255,.10));
      box-shadow:inset 0 0 0 1px rgba(40,224,214,.18);
    }
    .nav-actions{
      display:flex;
      align-items:center;
      gap:12px;
    }
    .search-box{
      display:flex;
      align-items:center;
      gap:8px;
      height:42px;
      width:220px;
      padding:0 14px;
      border-radius:999px;
      background:#F1F5F9;
      border:1px solid transparent;
      color:#64748B;
      transition:.22s ease;
    }
    .search-box:focus-within{
      background:#fff;
      border-color:rgba(40,224,214,.65);
      box-shadow:0 0 0 4px rgba(40,224,214,.12);
    }
    .search-box input{
      width:100%;
      border:0;
      background:transparent;
      color:#0F172A;
      font-size:14px;
    }
    .search-box input::placeholder{color:#94A3B8}
    .btn-primary,.btn-secondary{
      display:inline-flex;
      align-items:center;
      justify-content:center;
      gap:8px;
      min-height:44px;
      padding:0 20px;
      border-radius:999px;
      font-weight:800;
      transition:.22s ease;
      border:1px solid transparent;
      white-space:nowrap;
    }
    .btn-primary{
      color:#fff;
      background:linear-gradient(135deg,var(--cyan),var(--purple));
      box-shadow:0 12px 32px rgba(40,224,214,.24);
    }
    .btn-primary:hover{
      transform:translateY(-2px);
      box-shadow:0 18px 48px rgba(124,92,255,.30),0 12px 34px rgba(40,224,214,.24);
    }
    .btn-primary:active,.btn-secondary:active{transform:scale(.98)}
    .btn-primary:focus-visible,.btn-secondary:focus-visible,.menu-btn:focus-visible{
      outline:3px solid rgba(40,224,214,.45);
      outline-offset:3px;
    }
    .btn-secondary{
      color:#0F766E;
      background:#fff;
      border-color:rgba(40,224,214,.34);
    }
    .btn-secondary:hover{
      background:rgba(40,224,214,.08);
      transform:translateY(-2px);
    }
    .menu-btn{
      display:none;
      width:44px;
      height:44px;
      border:1px solid #E2E8F0;
      border-radius:14px;
      background:#fff;
      color:#0F172A;
      font-size:20px;
      transition:.2s ease;
    }
    .menu-btn:hover{background:#F8FAFC}
    .mobile-panel{
      display:none;
      padding:0 0 18px;
    }
    .mobile-panel.open{display:block}

    .page-hero{
      position:relative;
      padding:76px 0 54px;
      overflow:hidden;
      background:
        linear-gradient(135deg, rgba(255,255,255,.94), rgba(247,249,252,.88)),
        radial-gradient(circle at 18% 24%, rgba(40,224,214,.20), transparent 32%),
        radial-gradient(circle at 88% 18%, rgba(124,92,255,.16), transparent 30%);
      border-bottom:1px solid rgba(229,231,235,.78);
    }
    .page-hero:before{
      content:"";
      position:absolute;
      inset:0;
      background-image:linear-gradient(rgba(15,23,42,.04) 1px, transparent 1px),linear-gradient(90deg, rgba(15,23,42,.04) 1px, transparent 1px);
      background-size:34px 34px;
      mask-image:linear-gradient(to bottom, rgba(0,0,0,.75), transparent 78%);
      pointer-events:none;
    }
    .hero-layout{
      position:relative;
      display:grid;
      grid-template-columns:1.04fr .96fr;
      gap:42px;
      align-items:center;
    }
    .eyebrow{
      display:inline-flex;
      align-items:center;
      gap:9px;
      padding:7px 12px;
      border-radius:999px;
      background:rgba(7,17,31,.06);
      color:#0F766E;
      font-weight:850;
      font-size:13px;
      letter-spacing:.06em;
      border:1px solid rgba(40,224,214,.20);
    }
    h1{
      margin:18px 0 18px;
      font-size:clamp(36px, 5vw, 64px);
      line-height:1.08;
      font-weight:900;
      letter-spacing:-.045em;
      color:#0B1220;
    }
    .hero-lead{
      max-width:700px;
      color:#536173;
      font-size:18px;
      line-height:1.85;
    }
    .hero-actions{
      margin-top:28px;
      display:flex;
      flex-wrap:wrap;
      gap:14px;
    }
    .hero-panel{
      position:relative;
      border-radius:32px;
      padding:22px;
      background:linear-gradient(145deg, #07111F, #0E1628);
      box-shadow:0 28px 90px rgba(7,17,31,.28);
      border:1px solid rgba(255,255,255,.10);
      overflow:hidden;
    }
    .hero-panel:before{
      content:"";
      position:absolute;
      width:260px;
      height:260px;
      right:-90px;
      top:-80px;
      border-radius:999px;
      background:radial-gradient(circle, rgba(40,224,214,.34), transparent 68%);
    }
    .hero-panel:after{
      content:"";
      position:absolute;
      width:220px;
      height:220px;
      left:-80px;
      bottom:-90px;
      border-radius:999px;
      background:radial-gradient(circle, rgba(124,92,255,.32), transparent 70%);
    }
    .panel-inner{position:relative;z-index:1}
    .feature-article{
      padding:24px;
      border-radius:26px;
      background:rgba(255,255,255,.09);
      border:1px solid rgba(255,255,255,.14);
      backdrop-filter:blur(16px);
    }
    .mini-grid{
      display:grid;
      grid-template-columns:1fr 1fr;
      gap:12px;
      margin-top:14px;
    }
    .metric-card{
      padding:16px;
      border-radius:20px;
      background:rgba(255,255,255,.08);
      border:1px solid rgba(255,255,255,.12);
      color:#E5E7EB;
    }
    .metric-card strong{
      display:block;
      color:#fff;
      font-size:26px;
      line-height:1.1;
      font-weight:900;
    }

    main{background:var(--bg-soft)}
    .section{padding:76px 0}
    .section-tight{padding:54px 0}
    .section-head{
      display:flex;
      justify-content:space-between;
      align-items:end;
      gap:24px;
      margin-bottom:30px;
    }
    .section-kicker{
      color:#0F766E;
      font-size:13px;
      letter-spacing:.10em;
      font-weight:900;
      margin-bottom:8px;
    }
    h2{
      margin:0;
      font-size:clamp(28px, 3.6vw, 42px);
      line-height:1.18;
      font-weight:900;
      letter-spacing:-.035em;
      color:#0F172A;
    }
    .section-desc{
      max-width:620px;
      color:var(--muted);
      font-size:16px;
      margin-top:10px;
    }

    .magazine-layout{
      display:grid;
      grid-template-columns:1.12fr .88fr;
      gap:24px;
      align-items:stretch;
    }
    .card{
      border-radius:var(--radius-xl);
      background:#fff;
      border:1px solid rgba(226,232,240,.92);
      box-shadow:var(--shadow-soft);
      transition:.24s ease;
      overflow:hidden;
    }
    .card:hover{
      transform:translateY(-5px);
      border-color:rgba(40,224,214,.40);
      box-shadow:0 24px 72px rgba(15,23,42,.13);
    }
    .main-story{
      padding:30px;
      min-height:520px;
      display:flex;
      flex-direction:column;
      justify-content:space-between;
      background:
        linear-gradient(180deg, rgba(255,255,255,.96), rgba(255,255,255,.92)),
        radial-gradient(circle at 12% 8%, rgba(40,224,214,.22), transparent 34%),
        radial-gradient(circle at 90% 88%, rgba(124,92,255,.16), transparent 36%);
    }
    .abstract-cover{
      height:210px;
      border-radius:26px;
      background:
        linear-gradient(135deg, rgba(40,224,214,.95), rgba(124,92,255,.88)),
        repeating-linear-gradient(45deg, rgba(255,255,255,.18) 0 2px, transparent 2px 12px);
      position:relative;
      overflow:hidden;
      margin-bottom:26px;
    }
    .abstract-cover:before,.abstract-cover:after{
      content:"";
      position:absolute;
      border-radius:999px;
      border:1px solid rgba(255,255,255,.45);
    }
    .abstract-cover:before{
      width:210px;height:210px;right:-58px;top:-52px;
      background:rgba(255,255,255,.10);
    }
    .abstract-cover:after{
      width:130px;height:130px;left:26px;bottom:-46px;
      background:rgba(7,17,31,.10);
    }
    .tag{
      display:inline-flex;
      align-items:center;
      min-height:28px;
      padding:0 10px;
      border-radius:999px;
      font-size:12px;
      font-weight:850;
      color:#0F766E;
      background:rgba(40,224,214,.12);
      border:1px solid rgba(40,224,214,.20);
      width:max-content;
    }
    .tag-purple{
      color:#5B45D6;
      background:rgba(124,92,255,.10);
      border-color:rgba(124,92,255,.18);
    }
    .tag-amber{
      color:#A16207;
      background:rgba(246,180,75,.14);
      border-color:rgba(246,180,75,.24);
    }
    .article-title{
      margin:14px 0 10px;
      font-size:clamp(26px, 3vw, 38px);
      line-height:1.18;
      font-weight:900;
      letter-spacing:-.03em;
      color:#0F172A;
    }
    .article-meta{
      display:flex;
      flex-wrap:wrap;
      gap:10px 16px;
      margin-top:18px;
      color:#64748B;
      font-size:14px;
      font-weight:650;
    }
    .side-list{
      display:grid;
      gap:16px;
    }
    .news-item{
      padding:22px;
      border-radius:24px;
      background:#fff;
      border:1px solid rgba(226,232,240,.9);
      box-shadow:0 14px 45px rgba(15,23,42,.07);
      transition:.22s ease;
    }
    .news-item:hover{
      transform:translateY(-4px);
      border-color:rgba(124,92,255,.32);
      box-shadow:0 20px 58px rgba(15,23,42,.11);
    }
    .news-item h3{
      margin:10px 0 8px;
      color:#111827;
      font-size:21px;
      line-height:1.3;
      font-weight:900;
    }
    .news-item p{color:#64748B;margin:0}

    .topic-grid{
      display:grid;
      grid-template-columns:repeat(3,1fr);
      gap:18px;
    }
    .topic-card{
      padding:24px;
      border-radius:26px;
      background:#fff;
      border:1px solid rgba(226,232,240,.9);
      box-shadow:0 16px 48px rgba(15,23,42,.075);
      transition:.24s ease;
      position:relative;
      overflow:hidden;
    }
    .topic-card:before{
      content:"";
      position:absolute;
      inset:0;
      background:linear-gradient(135deg, rgba(40,224,214,.08), transparent 45%, rgba(124,92,255,.06));
      opacity:0;
      transition:.24s ease;
    }
    .topic-card:hover{
      transform:translateY(-5px);
      border-color:rgba(40,224,214,.35);
    }
    .topic-card:hover:before{opacity:1}
    .topic-card > *{position:relative}
    .icon-chip{
      width:48px;
      height:48px;
      border-radius:17px;
      display:grid;
      place-items:center;
      font-weight:900;
      color:#fff;
      background:linear-gradient(135deg,var(--cyan),var(--purple));
      box-shadow:0 14px 28px rgba(40,224,214,.22);
      margin-bottom:16px;
    }
    .topic-card h3{
      font-size:22px;
      line-height:1.28;
      font-weight:900;
      color:#0F172A;
      margin:0 0 10px;
    }
    .topic-card p{color:#64748B;margin:0}

    .trend-board{
      display:grid;
      grid-template-columns:.85fr 1.15fr;
      gap:24px;
      align-items:stretch;
    }
    .dark-card{
      border-radius:32px;
      padding:30px;
      background:
        radial-gradient(circle at 20% 8%, rgba(40,224,214,.22), transparent 34%),
        radial-gradient(circle at 82% 80%, rgba(124,92,255,.20), transparent 36%),
        linear-gradient(145deg,#07111F,#0B1220);
      color:#E5E7EB;
      border:1px solid rgba(255,255,255,.12);
      box-shadow:0 28px 90px rgba(7,17,31,.24);
    }
    .dark-card h2,.dark-card h3{color:#fff}
    .dark-card p{color:#CBD5E1}
    .signal-list{
      display:grid;
      gap:14px;
    }
    .signal{
      display:grid;
      grid-template-columns:44px 1fr;
      gap:14px;
      align-items:start;
      padding:18px;
      border-radius:22px;
      background:rgba(255,255,255,.08);
      border:1px solid rgba(255,255,255,.13);
      backdrop-filter:blur(12px);
    }
    .signal-num{
      width:44px;
      height:44px;
      border-radius:16px;
      display:grid;
      place-items:center;
      color:#07111F;
      font-weight:950;
      background:var(--cyan);
    }
    .timeline{
      display:grid;
      gap:14px;
    }
    .timeline-item{
      padding:20px 22px;
      border-radius:24px;
      background:#fff;
      border:1px solid rgba(226,232,240,.9);
      box-shadow:0 14px 42px rgba(15,23,42,.07);
      display:grid;
      grid-template-columns:130px 1fr;
      gap:16px;
    }
    .timeline-date{
      color:#0F766E;
      font-weight:900;
      font-size:14px;
    }
    .timeline-item h3{
      margin:0 0 6px;
      font-size:20px;
      font-weight:900;
      color:#0F172A;
    }
    .timeline-item p{margin:0;color:#64748B}

    .quote-strip{
      border-radius:32px;
      padding:30px;
      background:#fff;
      border:1px solid rgba(226,232,240,.9);
      box-shadow:var(--shadow-soft);
      display:grid;
      grid-template-columns:.9fr 1.1fr;
      gap:26px;
      align-items:center;
    }
    .quote-box{
      padding:24px;
      border-radius:26px;
      background:linear-gradient(135deg, rgba(40,224,214,.13), rgba(124,92,255,.10));
      border:1px solid rgba(40,224,214,.22);
    }
    .quote-box p{
      font-size:22px;
      line-height:1.55;
      color:#0F172A;
      font-weight:850;
      margin:0;
    }
    .principle-list{
      display:grid;
      gap:12px;
    }
    .principle{
      display:flex;
      gap:12px;
      align-items:flex-start;
      padding:14px 0;
      border-bottom:1px solid #EEF2F7;
    }
    .principle:last-child{border-bottom:0}
    .check{
      flex:0 0 auto;
      width:28px;height:28px;
      border-radius:999px;
      display:grid;
      place-items:center;
      background:rgba(40,224,214,.13);
      color:#0F766E;
      font-weight:900;
    }

    .faq-grid{
      display:grid;
      grid-template-columns:repeat(2,1fr);
      gap:18px;
    }
    .faq-item{
      padding:24px;
      border-radius:24px;
      background:#fff;
      border:1px solid rgba(226,232,240,.92);
      box-shadow:0 14px 42px rgba(15,23,42,.065);
    }
    .faq-item h3{
      margin:0 0 10px;
      font-size:20px;
      color:#0F172A;
      font-weight:900;
    }
    .faq-item p{
      margin:0;
      color:#64748B;
    }

    .cta-panel{
      border-radius:34px;
      padding:34px;
      background:
        radial-gradient(circle at 15% 20%, rgba(40,224,214,.24), transparent 32%),
        radial-gradient(circle at 86% 78%, rgba(124,92,255,.22), transparent 34%),
        linear-gradient(145deg,#07111F,#0E1628);
      color:#E5E7EB;
      border:1px solid rgba(255,255,255,.12);
      box-shadow:0 28px 92px rgba(7,17,31,.28);
      display:grid;
      grid-template-columns:1fr auto;
      gap:26px;
      align-items:center;
    }
    .cta-panel h2{color:#fff}
    .cta-panel p{color:#CBD5E1;margin-top:12px;max-width:720px}

    .site-footer{
      background:#07111F;
      color:#E5E7EB;
      padding:58px 0 26px;
    }
    .footer-grid{
      display:grid;
      grid-template-columns:1.45fr .7fr .7fr .95fr;
      gap:34px;
      padding-bottom:34px;
      border-bottom:1px solid rgba(255,255,255,.10);
    }
    .footer-title{
      color:#fff;
      font-weight:900;
      margin-bottom:14px;
    }
    .footer-link{
      display:block;
      color:#94A3B8;
      margin:9px 0;
      transition:.2s ease;
      font-size:15px;
    }
    a.footer-link:hover{
      color:var(--cyan);
      transform:translateX(3px);
    }
    .footer-note{
      padding-top:22px;
      display:flex;
      justify-content:space-between;
      gap:18px;
      flex-wrap:wrap;
      color:#94A3B8;
      font-size:14px;
    }

    @media (max-width:1100px){
      .nav-links,.nav-actions{display:none}
      .menu-btn{display:grid;place-items:center}
      .mobile-panel .nav-link{
        justify-content:flex-start;
        border-radius:16px;
        background:#F8FAFC;
      }
      .mobile-panel .nav-link.active{
        background:linear-gradient(135deg, rgba(40,224,214,.18), rgba(124,92,255,.10));
      }
      .hero-layout,.magazine-layout,.trend-board,.quote-strip,.cta-panel{
        grid-template-columns:1fr;
      }
      .topic-grid{grid-template-columns:repeat(2,1fr)}
      .footer-grid{grid-template-columns:1fr 1fr}
    }
    @media (max-width:768px){
      .site-container{width:min(100% - 32px, var(--container))}
      .page-hero{padding:54px 0 38px}
      .section{padding:56px 0}
      .section-head{display:block}
      .hero-actions .btn-primary,.hero-actions .btn-secondary{width:100%}
      .topic-grid,.faq-grid{grid-template-columns:1fr}
      .timeline-item{grid-template-columns:1fr}
      .mini-grid{grid-template-columns:1fr}
      .main-story{min-height:auto;padding:22px}
      .abstract-cover{height:170px}
      .cta-panel{padding:26px}
      .footer-grid{grid-template-columns:1fr}
      .footer-note{display:grid}
    }
    @media (max-width:520px){
      .brand-text{font-size:14px}
      .brand-mark{width:38px;height:38px;border-radius:13px}
      .nav-bar{height:66px}
      h1{font-size:34px}
      .hero-lead{font-size:16px}
      .card,.topic-card,.news-item,.faq-item{border-radius:22px}
      .hero-panel,.dark-card,.quote-strip{border-radius:26px}
    }