/* roulang page: index */
:root{
      --bg:#080b16;
      --bg-soft:#101527;
      --panel:#12192e;
      --panel-2:#17203a;
      --card:#151d34;
      --card-light:#1b2542;
      --text:#f7f8ff;
      --muted:#aeb7d3;
      --muted-2:#7f8aab;
      --line:rgba(255,255,255,.1);
      --primary:#8b5cf6;
      --primary-2:#06b6d4;
      --accent:#f472b6;
      --safe:#34d399;
      --warning:#fbbf24;
      --danger:#fb7185;
      --radius-xs:10px;
      --radius-sm:14px;
      --radius:22px;
      --radius-lg:32px;
      --shadow:0 22px 70px rgba(0,0,0,.36);
      --shadow-soft:0 16px 46px rgba(18,24,48,.42);
      --container:1160px;
      --nav-h:84px;
      --gradient:linear-gradient(135deg,var(--primary),var(--primary-2) 55%,var(--accent));
      --gradient-soft:radial-gradient(circle at 20% 20%,rgba(139,92,246,.26),transparent 34%),radial-gradient(circle at 84% 10%,rgba(6,182,212,.22),transparent 30%),radial-gradient(circle at 70% 82%,rgba(244,114,182,.18),transparent 34%);
    }
    *{box-sizing:border-box}
    html{scroll-behavior:smooth}
    body{
      margin:0;
      font-family:-apple-system,BlinkMacSystemFont,"Segoe UI","PingFang SC","Microsoft YaHei",Arial,sans-serif;
      color:var(--text);
      background:var(--bg);
      line-height:1.72;
      overflow-x:hidden;
    }
    body::before{
      content:"";
      position:fixed;
      inset:0;
      z-index:-2;
      background:var(--gradient-soft),linear-gradient(180deg,#080b16 0%,#0b1021 48%,#080b16 100%);
    }
    body::after{
      content:"";
      position:fixed;
      inset:0;
      z-index:-1;
      pointer-events:none;
      opacity:.12;
      background-image:linear-gradient(rgba(255,255,255,.08) 1px,transparent 1px),linear-gradient(90deg,rgba(255,255,255,.08) 1px,transparent 1px);
      background-size:46px 46px;
      mask-image:linear-gradient(to bottom,#000,transparent 76%);
    }
    a{color:inherit;text-decoration:none;transition:.22s ease}
    img{max-width:100%;height:auto;display:block}
    button,input,textarea,select{font:inherit}
    .container{
      width:min(100% - 32px,var(--container));
      max-width:var(--container);
      margin-inline:auto;
    }
    .site-header{
      position:sticky;
      top:0;
      z-index:1000;
      padding:14px 0;
      backdrop-filter:blur(18px);
      background:rgba(8,11,22,.76);
      border-bottom:1px solid rgba(255,255,255,.08);
    }
    .nav-panel{
      min-height:var(--nav-h);
      display:flex;
      align-items:center;
      gap:16px;
      padding:12px;
      border:1px solid rgba(255,255,255,.12);
      border-radius:26px;
      background:linear-gradient(180deg,rgba(21,29,52,.92),rgba(14,19,36,.92));
      box-shadow:0 16px 50px rgba(0,0,0,.28);
    }
    .brand{
      display:flex;
      align-items:center;
      gap:12px;
      min-width:230px;
      padding:10px 14px;
      border-radius:18px;
      background:rgba(255,255,255,.045);
      border:1px solid rgba(255,255,255,.08);
    }
    .brand-mark{
      width:42px;
      height:42px;
      border-radius:14px;
      display:grid;
      place-items:center;
      color:#fff;
      background:var(--gradient);
      box-shadow:0 12px 28px rgba(139,92,246,.36);
      flex:0 0 auto;
    }
    .brand-text{
      display:flex;
      flex-direction:column;
      line-height:1.18;
      min-width:0;
    }
    .brand-title{
      font-weight:900;
      letter-spacing:-.02em;
      font-size:15px;
      white-space:nowrap;
      overflow:hidden;
      text-overflow:ellipsis;
      max-width:220px;
    }
    .brand-sub{
      color:var(--muted-2);
      font-size:12px;
      margin-top:3px;
    }
    .nav-links{
      flex:1;
      display:flex;
      align-items:center;
      gap:10px;
      overflow-x:auto;
      scrollbar-width:none;
    }
    .nav-links::-webkit-scrollbar{display:none}
    .nav-link-card{
      display:flex;
      align-items:center;
      gap:9px;
      padding:13px 15px;
      border-radius:16px;
      color:var(--muted);
      background:rgba(255,255,255,.035);
      border:1px solid rgba(255,255,255,.07);
      white-space:nowrap;
      font-weight:800;
      font-size:14px;
    }
    .nav-link-card i{color:var(--primary-2)}
    .nav-link-card:hover,.nav-link-card:focus{
      color:#fff;
      transform:translateY(-2px);
      background:rgba(139,92,246,.16);
      border-color:rgba(139,92,246,.42);
      box-shadow:0 12px 30px rgba(0,0,0,.22);
      outline:none;
    }
    .nav-link-card.active{
      color:#fff;
      background:linear-gradient(135deg,rgba(139,92,246,.28),rgba(6,182,212,.18));
      border-color:rgba(139,92,246,.55);
    }
    .nav-cta{
      display:flex;
      align-items:center;
      gap:10px;
      flex:0 0 auto;
    }
    .quick-search{
      position:relative;
      width:210px;
    }
    .quick-search i{
      position:absolute;
      left:13px;
      top:50%;
      transform:translateY(-50%);
      color:var(--muted-2);
      font-size:13px;
    }
    .quick-search input{
      width:100%;
      height:44px;
      padding:0 14px 0 36px;
      color:var(--text);
      border-radius:15px;
      border:1px solid rgba(255,255,255,.1);
      background:rgba(0,0,0,.18);
      outline:none;
      transition:.22s ease;
    }
    .quick-search input:focus{
      border-color:rgba(6,182,212,.62);
      box-shadow:0 0 0 4px rgba(6,182,212,.13);
    }
    .btn-neon{
      display:inline-flex;
      align-items:center;
      justify-content:center;
      gap:9px;
      min-height:46px;
      padding:12px 18px;
      border-radius:16px;
      border:1px solid transparent;
      color:#fff;
      font-weight:900;
      background:var(--gradient);
      box-shadow:0 14px 34px rgba(139,92,246,.28);
      transition:.22s ease;
      cursor:pointer;
    }
    .btn-neon:hover,.btn-neon:focus{
      color:#fff;
      transform:translateY(-2px);
      box-shadow:0 18px 44px rgba(6,182,212,.28);
      outline:none;
    }
    .btn-ghost{
      display:inline-flex;
      align-items:center;
      justify-content:center;
      gap:9px;
      min-height:46px;
      padding:12px 18px;
      border-radius:16px;
      border:1px solid rgba(255,255,255,.13);
      color:var(--text);
      background:rgba(255,255,255,.045);
      font-weight:850;
      transition:.22s ease;
    }
    .btn-ghost:hover,.btn-ghost:focus{
      color:#fff;
      background:rgba(255,255,255,.08);
      border-color:rgba(255,255,255,.24);
      transform:translateY(-2px);
      outline:none;
    }
    .mobile-toggle{
      display:none;
      width:46px;
      height:46px;
      border:1px solid rgba(255,255,255,.12);
      background:rgba(255,255,255,.05);
      color:#fff;
      border-radius:15px;
    }
    .hero{
      padding:78px 0 46px;
      position:relative;
    }
    .hero-grid{
      display:grid;
      grid-template-columns:1.08fr .92fr;
      gap:28px;
      align-items:center;
    }
    .eyebrow{
      display:inline-flex;
      align-items:center;
      gap:9px;
      padding:8px 12px;
      border-radius:999px;
      color:#dbeafe;
      font-size:13px;
      font-weight:850;
      border:1px solid rgba(6,182,212,.26);
      background:rgba(6,182,212,.12);
      margin-bottom:18px;
    }
    .eyebrow .dot{
      width:8px;height:8px;border-radius:50%;
      background:var(--safe);
      box-shadow:0 0 0 6px rgba(52,211,153,.12);
    }
    h1,h2,h3,h4,p{margin-top:0}
    .hero h1{
      font-size:clamp(38px,6vw,72px);
      line-height:1.04;
      letter-spacing:-.055em;
      margin-bottom:20px;
      font-weight:950;
    }
    .gradient-text{
      background:linear-gradient(135deg,#fff 12%,#c4b5fd 42%,#67e8f9 72%,#f9a8d4);
      -webkit-background-clip:text;
      background-clip:text;
      color:transparent;
    }
    .hero-lead{
      color:var(--muted);
      font-size:18px;
      max-width:680px;
      margin-bottom:24px;
    }
    .hero-actions{
      display:flex;
      flex-wrap:wrap;
      gap:12px;
      margin-bottom:24px;
    }
    .trust-row{
      display:flex;
      flex-wrap:wrap;
      gap:10px;
    }
    .trust-badge{
      display:inline-flex;
      align-items:center;
      gap:8px;
      padding:9px 12px;
      border-radius:999px;
      color:var(--muted);
      background:rgba(255,255,255,.045);
      border:1px solid rgba(255,255,255,.08);
      font-size:13px;
      font-weight:750;
    }
    .trust-badge i{color:var(--safe)}
    .hero-board{
      position:relative;
      padding:18px;
      border-radius:34px;
      background:linear-gradient(180deg,rgba(255,255,255,.09),rgba(255,255,255,.035));
      border:1px solid rgba(255,255,255,.13);
      box-shadow:var(--shadow);
      overflow:hidden;
    }
    .hero-board::before{
      content:"";
      position:absolute;
      width:260px;height:260px;
      border-radius:50%;
      right:-72px;top:-80px;
      background:rgba(6,182,212,.22);
      filter:blur(10px);
    }
    .status-top{
      position:relative;
      display:flex;
      align-items:center;
      justify-content:space-between;
      gap:14px;
      padding:16px;
      border-radius:24px;
      background:rgba(8,11,22,.72);
      border:1px solid rgba(255,255,255,.1);
      margin-bottom:14px;
    }
    .status-title strong{display:block;font-size:18px}
    .status-title span{color:var(--muted-2);font-size:13px}
    .live-pill{
      display:inline-flex;
      align-items:center;
      gap:7px;
      padding:8px 10px;
      border-radius:999px;
      color:#bbf7d0;
      background:rgba(52,211,153,.13);
      border:1px solid rgba(52,211,153,.28);
      font-size:12px;
      font-weight:900;
    }
    .live-pill::before{
      content:"";
      width:7px;height:7px;border-radius:50%;
      background:var(--safe);
    }
    .signal-grid{
      position:relative;
      display:grid;
      grid-template-columns:1fr 1fr;
      gap:12px;
    }
    .signal-card{
      min-height:134px;
      padding:18px;
      border-radius:24px;
      background:rgba(18,25,46,.84);
      border:1px solid rgba(255,255,255,.1);
      transition:.22s ease;
    }
    .signal-card:hover{transform:translateY(-3px);border-color:rgba(6,182,212,.34)}
    .signal-icon{
      width:42px;height:42px;border-radius:15px;
      display:grid;place-items:center;
      margin-bottom:12px;
      background:rgba(139,92,246,.16);
      color:#c4b5fd;
    }
    .signal-card:nth-child(2) .signal-icon{background:rgba(6,182,212,.14);color:#67e8f9}
    .signal-card:nth-child(3) .signal-icon{background:rgba(52,211,153,.13);color:#86efac}
    .signal-card:nth-child(4) .signal-icon{background:rgba(244,114,182,.14);color:#f9a8d4}
    .signal-card h3{
      font-size:16px;
      font-weight:900;
      margin-bottom:6px;
    }
    .signal-card p{
      color:var(--muted-2);
      font-size:13px;
      margin:0;
    }
    .section{
      padding:54px 0;
    }
    .section-head{
      display:flex;
      align-items:end;
      justify-content:space-between;
      gap:22px;
      margin-bottom:24px;
    }
    .section-kicker{
      color:#67e8f9;
      font-weight:950;
      letter-spacing:.08em;
      font-size:13px;
      margin-bottom:8px;
    }
    .section-title{
      font-size:clamp(28px,3.5vw,46px);
      line-height:1.12;
      letter-spacing:-.04em;
      font-weight:950;
      margin-bottom:0;
    }
    .section-desc{
      color:var(--muted);
      max-width:530px;
      margin:0;
    }
    .glass-card{
      border-radius:var(--radius);
      background:linear-gradient(180deg,rgba(21,29,52,.86),rgba(15,21,39,.84));
      border:1px solid rgba(255,255,255,.1);
      box-shadow:var(--shadow-soft);
      overflow:hidden;
    }
    .why-grid{
      display:grid;
      grid-template-columns:repeat(3,1fr);
      gap:16px;
    }
    .why-card{
      padding:24px;
      min-height:250px;
      position:relative;
    }
    .why-card::after{
      content:"";
      position:absolute;
      inset:auto 18px 18px auto;
      width:68px;height:68px;
      border-radius:22px;
      background:linear-gradient(135deg,rgba(139,92,246,.22),rgba(6,182,212,.12));
      opacity:.7;
    }
    .card-tag{
      display:inline-flex;
      align-items:center;
      gap:8px;
      padding:7px 10px;
      border-radius:999px;
      color:#e0e7ff;
      background:rgba(139,92,246,.14);
      border:1px solid rgba(139,92,246,.26);
      font-size:12px;
      font-weight:900;
      margin-bottom:18px;
    }
    .why-card h3{
      font-size:21px;
      font-weight:950;
      letter-spacing:-.02em;
      margin-bottom:12px;
    }
    .why-card p{
      color:var(--muted);
      margin-bottom:0;
    }
    .category-grid{
      display:grid;
      grid-template-columns:repeat(2,1fr);
      gap:18px;
    }
    .category-card{
      position:relative;
      padding:28px;
      min-height:270px;
      transition:.24s ease;
    }
    .category-card:hover{
      transform:translateY(-5px);
      border-color:rgba(6,182,212,.34);
      box-shadow:0 28px 70px rgba(0,0,0,.38);
    }
    .category-card .num{
      position:absolute;
      right:24px;
      top:20px;
      color:rgba(255,255,255,.08);
      font-size:56px;
      font-weight:950;
      line-height:1;
    }
    .category-icon{
      width:54px;height:54px;
      border-radius:18px;
      display:grid;place-items:center;
      font-size:22px;
      margin-bottom:18px;
      background:var(--gradient);
      box-shadow:0 12px 28px rgba(139,92,246,.25);
    }
    .category-card h3{
      font-size:25px;
      font-weight:950;
      margin-bottom:12px;
      letter-spacing:-.025em;
    }
    .category-card p{color:var(--muted);margin-bottom:20px}
    .arrow-link{
      display:inline-flex;
      align-items:center;
      gap:9px;
      color:#67e8f9;
      font-weight:950;
    }
    .arrow-link:hover{gap:14px;color:#f9a8d4}
    .insight-wrap{
      display:grid;
      grid-template-columns:.86fr 1.14fr;
      gap:18px;
      align-items:stretch;
    }
    .score-panel{
      padding:26px;
      background:linear-gradient(145deg,rgba(139,92,246,.16),rgba(6,182,212,.1));
    }
    .score{
      font-size:78px;
      line-height:1;
      font-weight:950;
      letter-spacing:-.06em;
      margin-bottom:10px;
    }
    .score span{
      font-size:24px;
      color:var(--muted);
      letter-spacing:0;
    }
    .meter{
      height:12px;
      border-radius:999px;
      background:rgba(255,255,255,.08);
      overflow:hidden;
      margin:20px 0;
    }
    .meter-fill{
      width:86%;
      height:100%;
      border-radius:999px;
      background:var(--gradient);
    }
    .check-list{
      display:grid;
      gap:12px;
      margin:0;
      padding:0;
      list-style:none;
    }
    .check-list li{
      display:flex;
      gap:12px;
      padding:14px;
      border-radius:16px;
      background:rgba(255,255,255,.045);
      border:1px solid rgba(255,255,255,.07);
      color:var(--muted);
    }
    .check-list i{
      color:var(--safe);
      margin-top:5px;
      flex:0 0 auto;
    }
    .bracket{
      padding:26px;
    }
    .bracket-row{
      display:grid;
      grid-template-columns:110px 1fr;
      gap:16px;
      align-items:start;
      padding:18px 0;
      border-bottom:1px solid rgba(255,255,255,.08);
    }
    .bracket-row:last-child{border-bottom:0}
    .round{
      display:inline-flex;
      justify-content:center;
      padding:8px 10px;
      border-radius:999px;
      color:#0f172a;
      background:#67e8f9;
      font-size:12px;
      font-weight:950;
    }
    .bracket-row h3{
      font-size:19px;
      font-weight:950;
      margin-bottom:6px;
    }
    .bracket-row p{
      color:var(--muted);
      margin:0;
    }
    .scenario-grid{
      display:grid;
      grid-template-columns:repeat(4,1fr);
      gap:14px;
    }
    .scenario{
      padding:20px;
      border-radius:22px;
      background:rgba(255,255,255,.045);
      border:1px solid rgba(255,255,255,.09);
      transition:.22s ease;
    }
    .scenario:hover{
      transform:translateY(-4px);
      background:rgba(255,255,255,.065);
      border-color:rgba(244,114,182,.28);
    }
    .scenario i{
      width:42px;height:42px;
      border-radius:15px;
      display:grid;place-items:center;
      color:#f9a8d4;
      background:rgba(244,114,182,.13);
      margin-bottom:14px;
    }
    .scenario h3{
      font-size:17px;
      font-weight:950;
      margin-bottom:8px;
    }
    .scenario p{
      color:var(--muted);
      font-size:14px;
      margin:0;
    }
    .content-grid{
      display:grid;
      grid-template-columns:1.1fr .9fr;
      gap:18px;
    }
    .feature-article{
      padding:30px;
      min-height:330px;
      display:flex;
      flex-direction:column;
      justify-content:space-between;
      background:radial-gradient(circle at 15% 15%,rgba(139,92,246,.24),transparent 34%),linear-gradient(180deg,rgba(21,29,52,.9),rgba(15,21,39,.9));
    }
    .article-meta{
      display:flex;
      flex-wrap:wrap;
      gap:9px;
      margin-bottom:14px;
    }
    .mini-badge{
      display:inline-flex;
      padding:6px 9px;
      border-radius:999px;
      color:#dbeafe;
      background:rgba(255,255,255,.07);
      border:1px solid rgba(255,255,255,.09);
      font-size:12px;
      font-weight:850;
    }
    .feature-article h3{
      font-size:31px;
      font-weight:950;
      letter-spacing:-.035em;
      margin-bottom:14px;
    }
    .feature-article p{color:var(--muted);font-size:16px}
    .mini-list{
      display:grid;
      gap:12px;
    }
    .mini-item{
      display:flex;
      gap:14px;
      padding:18px;
      border-radius:22px;
      background:rgba(255,255,255,.045);
      border:1px solid rgba(255,255,255,.09);
      transition:.22s ease;
    }
    .mini-item:hover{
      transform:translateX(4px);
      border-color:rgba(6,182,212,.28);
    }
    .mini-item .index{
      width:34px;height:34px;
      border-radius:12px;
      flex:0 0 auto;
      display:grid;place-items:center;
      color:#fff;
      background:rgba(6,182,212,.18);
      font-weight:950;
    }
    .mini-item h4{
      font-size:16px;
      font-weight:950;
      margin-bottom:4px;
    }
    .mini-item p{
      color:var(--muted-2);
      font-size:13px;
      margin:0;
    }
    .faq-wrap{
      display:grid;
      grid-template-columns:.82fr 1.18fr;
      gap:22px;
      align-items:start;
    }
    .faq-aside{
      padding:26px;
      position:sticky;
      top:126px;
    }
    .faq-aside p{color:var(--muted);margin-bottom:18px}
    .accordion{
      display:grid;
      gap:12px;
    }
    .accordion-item{
      border:1px solid rgba(255,255,255,.1)!important;
      border-radius:20px!important;
      overflow:hidden;
      background:rgba(21,29,52,.82)!important;
      color:var(--text);
    }
    .accordion-button{
      background:rgba(255,255,255,.035)!important;
      color:var(--text)!important;
      font-weight:950;
      padding:18px 20px;
      box-shadow:none!important;
    }
    .accordion-button:not(.collapsed){
      background:linear-gradient(135deg,rgba(139,92,246,.18),rgba(6,182,212,.1))!important;
    }
    .accordion-button:focus{
      border-color:transparent;
      box-shadow:0 0 0 4px rgba(139,92,246,.18)!important;
    }
    .accordion-button::after{
      filter:invert(1);
      opacity:.8;
    }
    .accordion-body{
      color:var(--muted);
      padding:18px 20px 22px;
      background:rgba(8,11,22,.35);
    }
    .cta{
      padding:34px;
      border-radius:34px;
      background:radial-gradient(circle at 10% 10%,rgba(244,114,182,.22),transparent 28%),radial-gradient(circle at 90% 20%,rgba(6,182,212,.2),transparent 30%),linear-gradient(135deg,rgba(139,92,246,.2),rgba(21,29,52,.94));
      border:1px solid rgba(255,255,255,.13);
      box-shadow:var(--shadow);
      display:grid;
      grid-template-columns:1fr auto;
      gap:24px;
      align-items:center;
    }
    .cta h2{
      font-size:clamp(28px,3.5vw,46px);
      line-height:1.12;
      letter-spacing:-.04em;
      font-weight:950;
      margin-bottom:12px;
    }
    .cta p{color:var(--muted);margin:0;max-width:720px}
    .contact-card{
      min-width:300px;
      padding:18px;
      border-radius:24px;
      background:rgba(8,11,22,.48);
      border:1px solid rgba(255,255,255,.11);
    }
    .contact-card label{
      display:block;
      color:var(--muted);
      font-size:13px;
      font-weight:850;
      margin-bottom:8px;
    }
    .contact-card input{
      width:100%;
      min-height:48px;
      border-radius:16px;
      border:1px solid rgba(255,255,255,.12);
      color:#fff;
      background:rgba(255,255,255,.06);
      padding:0 14px;
      margin-bottom:10px;
      outline:none;
    }
    .contact-card input:focus{
      border-color:rgba(244,114,182,.54);
      box-shadow:0 0 0 4px rgba(244,114,182,.12);
    }
    .contact-card small{
      display:block;
      color:var(--muted-2);
      margin-top:10px;
    }
    .site-footer{
      padding:42px 0 28px;
      border-top:1px solid rgba(255,255,255,.08);
      background:rgba(4,6,14,.42);
      margin-top:40px;
    }
    .footer-grid{
      display:grid;
      grid-template-columns:1.2fr .8fr .8fr;
      gap:24px;
      align-items:start;
    }
    .footer-brand{
      display:flex;
      gap:12px;
      align-items:center;
      margin-bottom:14px;
    }
    .footer-brand .brand-mark{width:40px;height:40px}
    .footer-brand strong{font-size:18px;font-weight:950}
    .footer-text{color:var(--muted);max-width:520px;margin:0}
    .footer-title{
      color:#fff;
      font-weight:950;
      margin-bottom:12px;
    }
    .footer-links{
      display:grid;
      gap:10px;
    }
    .footer-links a{
      color:var(--muted);
      font-weight:760;
    }
    .footer-links a:hover{
      color:#67e8f9;
      transform:translateX(3px);
    }
    .copyright{
      margin-top:28px;
      padding-top:18px;
      border-top:1px solid rgba(255,255,255,.08);
      color:var(--muted-2);
      display:flex;
      justify-content:space-between;
      gap:16px;
      flex-wrap:wrap;
      font-size:13px;
    }
    @media (max-width:1024px){
      .nav-panel{align-items:flex-start;flex-wrap:wrap}
      .brand{min-width:0;flex:1}
      .mobile-toggle{display:inline-grid;place-items:center}
      .nav-links,.nav-cta{
        display:none;
        width:100%;
      }
      .nav-panel.open .nav-links{
        display:grid;
        grid-template-columns:1fr 1fr;
      }
      .nav-panel.open .nav-cta{
        display:flex;
        flex-wrap:wrap;
      }
      .quick-search{width:100%;flex:1 1 260px}
      .hero-grid,.insight-wrap,.content-grid,.faq-wrap{grid-template-columns:1fr}
      .scenario-grid{grid-template-columns:repeat(2,1fr)}
      .faq-aside{position:relative;top:auto}
      .cta{grid-template-columns:1fr}
      .contact-card{min-width:0}
    }
    @media (max-width:768px){
      .container{width:min(100% - 24px,var(--container))}
      .site-header{padding:10px 0}
      .nav-panel{border-radius:22px}
      .brand-title{max-width:180px}
      .hero{padding:48px 0 30px}
      .hero-lead{font-size:16px}
      .why-grid,.category-grid{grid-template-columns:1fr}
      .section{padding:40px 0}
      .section-head{display:block}
      .section-desc{margin-top:12px}
      .signal-grid{grid-template-columns:1fr}
      .bracket-row{grid-template-columns:1fr}
      .footer-grid{grid-template-columns:1fr}
    }
    @media (max-width:520px){
      .nav-panel.open .nav-links{grid-template-columns:1fr}
      .brand{padding:8px 10px}
      .brand-title{max-width:150px;font-size:14px}
      .brand-sub{display:none}
      .hero h1{font-size:36px}
      .hero-board{padding:12px;border-radius:26px}
      .status-top{display:block}
      .live-pill{margin-top:12px}
      .hero-actions .btn-neon,.hero-actions .btn-ghost{width:100%}
      .scenario-grid{grid-template-columns:1fr}
      .score{font-size:58px}
      .feature-article h3{font-size:24px}
      .cta{padding:24px}
      .copyright{display:block}
      .copyright span{display:block;margin-bottom:8px}
    }

/* roulang page: category1 */
:root {
      --bg: #070912;
      --bg-soft: #0d1224;
      --panel: rgba(17, 24, 48, 0.86);
      --panel-strong: #121a35;
      --card: rgba(255, 255, 255, 0.075);
      --card-hover: rgba(255, 255, 255, 0.115);
      --text: #f7f9ff;
      --muted: #aab5d6;
      --muted-2: #7682a8;
      --line: rgba(255, 255, 255, 0.13);
      --line-strong: rgba(111, 231, 255, 0.28);
      --primary: #67e8f9;
      --primary-2: #8b5cf6;
      --accent: #ff4fd8;
      --green: #45f2a7;
      --warning: #ffd166;
      --danger: #ff6b8a;
      --radius-sm: 12px;
      --radius: 20px;
      --radius-lg: 30px;
      --shadow: 0 24px 80px rgba(0, 0, 0, 0.42);
      --shadow-soft: 0 14px 42px rgba(0, 0, 0, 0.26);
      --glow: 0 0 34px rgba(103, 232, 249, 0.24);
      --max: 1180px;
    }

    * {
      box-sizing: border-box;
    }

    html {
      scroll-behavior: smooth;
    }

    body {
      margin: 0;
      font-family: "Inter", "PingFang SC", "Microsoft YaHei", system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
      color: var(--text);
      background:
        radial-gradient(circle at 10% 0%, rgba(139, 92, 246, 0.34), transparent 34%),
        radial-gradient(circle at 90% 12%, rgba(103, 232, 249, 0.23), transparent 36%),
        radial-gradient(circle at 45% 88%, rgba(255, 79, 216, 0.16), transparent 42%),
        linear-gradient(180deg, #060814 0%, #090d1d 45%, #070912 100%);
      line-height: 1.7;
      overflow-x: hidden;
    }

    body::before {
      content: "";
      position: fixed;
      inset: 0;
      pointer-events: none;
      background-image:
        linear-gradient(rgba(255,255,255,.035) 1px, transparent 1px),
        linear-gradient(90deg, rgba(255,255,255,.035) 1px, transparent 1px);
      background-size: 48px 48px;
      mask-image: linear-gradient(to bottom, rgba(0,0,0,.85), rgba(0,0,0,.12));
      z-index: -1;
    }

    a {
      color: inherit;
      text-decoration: none;
      transition: color .22s ease, background .22s ease, border-color .22s ease, transform .22s ease, box-shadow .22s ease;
    }

    img {
      max-width: 100%;
      display: block;
    }

    button,
    input {
      font: inherit;
    }

    input:focus,
    button:focus,
    a:focus {
      outline: 3px solid rgba(103, 232, 249, .34);
      outline-offset: 3px;
    }

    .container {
      width: min(100% - 32px, var(--max));
      max-width: var(--max);
      margin-inline: auto;
      padding-inline: 0;
    }

    .site-header {
      position: sticky;
      top: 0;
      z-index: 1000;
      padding: 16px 0;
      backdrop-filter: blur(18px);
      background: linear-gradient(180deg, rgba(7, 9, 18, .88), rgba(7, 9, 18, .46));
      border-bottom: 1px solid rgba(255, 255, 255, .06);
    }

    .nav-panel {
      display: flex;
      align-items: center;
      gap: 14px;
      padding: 12px;
      border: 1px solid var(--line);
      border-radius: 26px;
      background: linear-gradient(135deg, rgba(18, 26, 53, .92), rgba(12, 17, 36, .78));
      box-shadow: var(--shadow-soft);
    }

    .brand {
      display: flex;
      align-items: center;
      gap: 12px;
      min-width: 260px;
      padding: 8px 10px;
      border-radius: 18px;
    }

    .brand:hover {
      background: rgba(255, 255, 255, .06);
      transform: translateY(-1px);
    }

    .brand-mark {
      width: 44px;
      height: 44px;
      flex: 0 0 44px;
      display: inline-flex;
      align-items: center;
      justify-content: center;
      border-radius: 16px;
      color: #051019;
      background: linear-gradient(135deg, var(--primary), var(--green));
      box-shadow: 0 0 28px rgba(103, 232, 249, .38);
      font-size: 20px;
    }

    .brand-text {
      display: flex;
      flex-direction: column;
      line-height: 1.15;
    }

    .brand-title {
      font-weight: 900;
      letter-spacing: .01em;
      color: var(--text);
      font-size: 16px;
    }

    .brand-sub {
      margin-top: 4px;
      color: var(--muted);
      font-size: 12px;
    }

    .mobile-toggle {
      display: none;
      margin-left: auto;
      border: 1px solid var(--line);
      color: var(--text);
      background: rgba(255,255,255,.07);
      width: 44px;
      height: 44px;
      border-radius: 15px;
    }

    .nav-links {
      display: flex;
      align-items: center;
      gap: 8px;
      flex: 1;
      min-width: 0;
    }

    .nav-link-card {
      display: inline-flex;
      align-items: center;
      gap: 8px;
      min-height: 44px;
      padding: 10px 13px;
      border: 1px solid rgba(255, 255, 255, .1);
      border-radius: 16px;
      color: var(--muted);
      background: rgba(255, 255, 255, .045);
      font-weight: 700;
      font-size: 14px;
      white-space: nowrap;
    }

    .nav-link-card:hover,
    .nav-link-card.active {
      color: var(--text);
      border-color: var(--line-strong);
      background: linear-gradient(135deg, rgba(103, 232, 249, .14), rgba(139, 92, 246, .16));
      box-shadow: var(--glow);
      transform: translateY(-1px);
    }

    .nav-link-card.active i {
      color: var(--primary);
    }

    .nav-cta {
      display: flex;
      align-items: center;
      gap: 10px;
    }

    .quick-search {
      height: 44px;
      display: flex;
      align-items: center;
      gap: 8px;
      padding: 0 12px;
      border: 1px solid rgba(255,255,255,.1);
      border-radius: 16px;
      background: rgba(0, 0, 0, .16);
      color: var(--muted);
    }

    .quick-search input {
      width: 165px;
      border: 0;
      outline: 0;
      color: var(--text);
      background: transparent;
      font-size: 13px;
    }

    .quick-search input::placeholder {
      color: var(--muted-2);
    }

    .btn-neon,
    .btn-ghost,
    .btn-soft {
      display: inline-flex;
      align-items: center;
      justify-content: center;
      gap: 9px;
      min-height: 46px;
      padding: 12px 18px;
      border-radius: 999px;
      font-weight: 850;
      letter-spacing: .01em;
      border: 1px solid transparent;
      cursor: pointer;
      white-space: nowrap;
    }

    .btn-neon {
      color: #061018;
      background: linear-gradient(135deg, var(--primary), var(--green));
      box-shadow: 0 16px 42px rgba(69, 242, 167, .2), 0 0 30px rgba(103, 232, 249, .22);
    }

    .btn-neon:hover {
      color: #061018;
      transform: translateY(-2px);
      box-shadow: 0 22px 56px rgba(69, 242, 167, .28), 0 0 42px rgba(103, 232, 249, .32);
    }

    .btn-ghost {
      color: var(--text);
      border-color: var(--line);
      background: rgba(255,255,255,.055);
    }

    .btn-ghost:hover {
      border-color: var(--primary);
      background: rgba(103, 232, 249, .12);
      color: var(--text);
      transform: translateY(-2px);
    }

    .btn-soft {
      color: var(--primary);
      border-color: rgba(103,232,249,.22);
      background: rgba(103,232,249,.08);
    }

    .btn-soft:hover {
      color: var(--text);
      background: rgba(103,232,249,.16);
      transform: translateY(-2px);
    }

    .hero {
      position: relative;
      padding: 86px 0 42px;
    }

    .hero-grid {
      display: grid;
      grid-template-columns: 1.05fr .95fr;
      gap: 34px;
      align-items: center;
    }

    .eyebrow {
      display: inline-flex;
      align-items: center;
      gap: 9px;
      padding: 8px 12px;
      border-radius: 999px;
      color: var(--primary);
      background: rgba(103, 232, 249, .095);
      border: 1px solid rgba(103, 232, 249, .22);
      font-weight: 800;
      font-size: 13px;
      margin-bottom: 18px;
    }

    h1,
    h2,
    h3,
    p {
      margin-top: 0;
    }

    .hero h1 {
      font-size: clamp(36px, 5.2vw, 68px);
      line-height: 1.04;
      letter-spacing: -.045em;
      margin-bottom: 20px;
      font-weight: 950;
    }

    .text-gradient {
      background: linear-gradient(135deg, #fff 0%, var(--primary) 45%, var(--accent) 100%);
      -webkit-background-clip: text;
      background-clip: text;
      color: transparent;
    }

    .hero-lead {
      color: var(--muted);
      font-size: 18px;
      max-width: 680px;
      margin-bottom: 26px;
    }

    .hero-actions {
      display: flex;
      flex-wrap: wrap;
      gap: 12px;
      margin-bottom: 26px;
    }

    .trust-row {
      display: flex;
      flex-wrap: wrap;
      gap: 10px;
    }

    .badge-chip {
      display: inline-flex;
      align-items: center;
      gap: 8px;
      padding: 8px 11px;
      border-radius: 999px;
      border: 1px solid rgba(255,255,255,.11);
      color: var(--muted);
      background: rgba(255,255,255,.05);
      font-size: 13px;
      font-weight: 700;
    }

    .badge-chip i {
      color: var(--green);
    }

    .hero-console {
      border: 1px solid var(--line);
      border-radius: var(--radius-lg);
      background:
        linear-gradient(145deg, rgba(255,255,255,.095), rgba(255,255,255,.035)),
        rgba(13, 18, 36, .86);
      box-shadow: var(--shadow);
      overflow: hidden;
    }

    .console-top {
      display: flex;
      align-items: center;
      justify-content: space-between;
      padding: 16px 18px;
      border-bottom: 1px solid var(--line);
      background: rgba(0,0,0,.16);
    }

    .dots {
      display: flex;
      gap: 7px;
    }

    .dots span {
      width: 10px;
      height: 10px;
      border-radius: 50%;
      background: var(--danger);
      box-shadow: 17px 0 0 var(--warning), 34px 0 0 var(--green);
    }

    .status {
      display: inline-flex;
      align-items: center;
      gap: 8px;
      color: var(--green);
      font-weight: 800;
      font-size: 13px;
    }

    .status::before {
      content: "";
      width: 8px;
      height: 8px;
      border-radius: 50%;
      background: var(--green);
      box-shadow: 0 0 18px var(--green);
    }

    .console-body {
      padding: 22px;
    }

    .intent-card {
      padding: 18px;
      border: 1px solid rgba(255,255,255,.11);
      border-radius: 22px;
      background: rgba(255,255,255,.055);
      margin-bottom: 14px;
    }

    .intent-label {
      color: var(--muted-2);
      font-size: 12px;
      font-weight: 800;
      letter-spacing: .08em;
      text-transform: uppercase;
      margin-bottom: 8px;
    }

    .intent-text {
      font-size: 20px;
      font-weight: 900;
      line-height: 1.35;
    }

    .intent-text .mask {
      color: var(--primary);
    }

    .score-grid {
      display: grid;
      grid-template-columns: repeat(3, 1fr);
      gap: 10px;
      margin-top: 16px;
    }

    .score {
      padding: 14px 10px;
      border-radius: 18px;
      text-align: center;
      background: rgba(0,0,0,.18);
      border: 1px solid rgba(255,255,255,.09);
    }

    .score strong {
      display: block;
      color: var(--text);
      font-size: 22px;
      line-height: 1.1;
    }

    .score span {
      color: var(--muted);
      font-size: 12px;
      font-weight: 700;
    }

    main {
      padding-bottom: 70px;
    }

    .section {
      padding: 58px 0;
    }

    .section-head {
      display: flex;
      align-items: end;
      justify-content: space-between;
      gap: 24px;
      margin-bottom: 26px;
    }

    .section-kicker {
      display: inline-flex;
      align-items: center;
      gap: 8px;
      color: var(--primary);
      font-size: 13px;
      font-weight: 850;
      margin-bottom: 10px;
    }

    .section-title {
      font-size: clamp(28px, 3.4vw, 44px);
      line-height: 1.12;
      letter-spacing: -.035em;
      font-weight: 950;
      margin-bottom: 0;
    }

    .section-desc {
      color: var(--muted);
      max-width: 520px;
      margin-bottom: 0;
    }

    .glass-card {
      height: 100%;
      padding: 24px;
      border-radius: var(--radius);
      border: 1px solid var(--line);
      background: linear-gradient(145deg, rgba(255,255,255,.082), rgba(255,255,255,.035));
      box-shadow: var(--shadow-soft);
      transition: transform .22s ease, box-shadow .22s ease, border-color .22s ease, background .22s ease;
    }

    .glass-card:hover {
      transform: translateY(-5px);
      border-color: var(--line-strong);
      background: var(--card-hover);
      box-shadow: var(--shadow);
    }

    .icon-box {
      width: 52px;
      height: 52px;
      border-radius: 18px;
      display: inline-flex;
      align-items: center;
      justify-content: center;
      margin-bottom: 18px;
      color: #061018;
      font-size: 21px;
      background: linear-gradient(135deg, var(--primary), var(--green));
      box-shadow: 0 0 30px rgba(103,232,249,.22);
    }

    .glass-card h3 {
      font-size: 20px;
      font-weight: 900;
      margin-bottom: 10px;
    }

    .glass-card p {
      color: var(--muted);
      margin-bottom: 0;
    }

    .split-panel {
      display: grid;
      grid-template-columns: .9fr 1.1fr;
      gap: 24px;
      align-items: stretch;
    }

    .signal-board {
      position: relative;
      min-height: 430px;
      border-radius: var(--radius-lg);
      border: 1px solid var(--line);
      background:
        radial-gradient(circle at 30% 25%, rgba(103,232,249,.22), transparent 30%),
        radial-gradient(circle at 72% 75%, rgba(255,79,216,.18), transparent 34%),
        linear-gradient(145deg, rgba(255,255,255,.08), rgba(255,255,255,.03));
      box-shadow: var(--shadow);
      overflow: hidden;
    }

    .signal-board::before {
      content: "";
      position: absolute;
      inset: 18px;
      border-radius: 24px;
      border: 1px dashed rgba(255,255,255,.16);
    }

    .radar {
      position: absolute;
      inset: 64px;
      border-radius: 50%;
      border: 1px solid rgba(103,232,249,.24);
      background:
        linear-gradient(90deg, transparent 49.7%, rgba(103,232,249,.14) 50%, transparent 50.3%),
        linear-gradient(0deg, transparent 49.7%, rgba(103,232,249,.14) 50%, transparent 50.3%);
      box-shadow: inset 0 0 46px rgba(103,232,249,.1);
      animation: pulse 4.5s ease-in-out infinite;
    }

    @keyframes pulse {
      0%, 100% { transform: scale(.96); opacity: .75; }
      50% { transform: scale(1.02); opacity: 1; }
    }

    .floating-note {
      position: absolute;
      left: 28px;
      right: 28px;
      bottom: 28px;
      padding: 18px;
      border-radius: 22px;
      background: rgba(7,9,18,.72);
      border: 1px solid rgba(255,255,255,.13);
      backdrop-filter: blur(14px);
    }

    .floating-note strong {
      display: block;
      margin-bottom: 8px;
      font-size: 18px;
    }

    .floating-note p {
      color: var(--muted);
      margin: 0;
      font-size: 14px;
    }

    .framework-list {
      display: grid;
      gap: 14px;
    }

    .framework-item {
      display: grid;
      grid-template-columns: 54px 1fr;
      gap: 16px;
      padding: 18px;
      border-radius: 22px;
      border: 1px solid var(--line);
      background: rgba(255,255,255,.055);
    }

    .step-num {
      width: 54px;
      height: 54px;
      border-radius: 18px;
      display: inline-flex;
      align-items: center;
      justify-content: center;
      color: var(--primary);
      font-weight: 950;
      border: 1px solid rgba(103,232,249,.25);
      background: rgba(103,232,249,.08);
    }

    .framework-item h3 {
      margin-bottom: 6px;
      font-size: 19px;
      font-weight: 900;
    }

    .framework-item p {
      color: var(--muted);
      margin-bottom: 0;
    }

    .scenario-card {
      position: relative;
      overflow: hidden;
    }

    .scenario-card::after {
      content: "";
      position: absolute;
      width: 120px;
      height: 120px;
      right: -42px;
      top: -42px;
      border-radius: 50%;
      background: radial-gradient(circle, rgba(103,232,249,.2), transparent 70%);
      pointer-events: none;
    }

    .tag-row {
      display: flex;
      flex-wrap: wrap;
      gap: 8px;
      margin-top: 18px;
    }

    .tag {
      display: inline-flex;
      align-items: center;
      gap: 6px;
      padding: 7px 10px;
      border-radius: 999px;
      color: var(--muted);
      background: rgba(255,255,255,.055);
      border: 1px solid rgba(255,255,255,.1);
      font-size: 12px;
      font-weight: 800;
    }

    .process-wrap {
      position: relative;
      padding: 28px;
      border-radius: var(--radius-lg);
      border: 1px solid var(--line);
      background: linear-gradient(135deg, rgba(18,26,53,.82), rgba(9,13,29,.72));
      box-shadow: var(--shadow-soft);
    }

    .process-grid {
      display: grid;
      grid-template-columns: repeat(4, 1fr);
      gap: 14px;
    }

    .process-step {
      position: relative;
      padding: 20px;
      border-radius: 22px;
      background: rgba(255,255,255,.055);
      border: 1px solid rgba(255,255,255,.1);
      min-height: 210px;
    }

    .process-step:not(:last-child)::after {
      content: "";
      position: absolute;
      right: -14px;
      top: 42px;
      width: 14px;
      height: 2px;
      background: linear-gradient(90deg, var(--primary), transparent);
    }

    .process-step .mini {
      width: 36px;
      height: 36px;
      border-radius: 13px;
      display: inline-flex;
      align-items: center;
      justify-content: center;
      background: rgba(103,232,249,.12);
      color: var(--primary);
      border: 1px solid rgba(103,232,249,.2);
      margin-bottom: 14px;
    }

    .process-step h3 {
      font-size: 18px;
      font-weight: 900;
      margin-bottom: 8px;
    }

    .process-step p {
      color: var(--muted);
      margin: 0;
      font-size: 14px;
    }

    .quote-panel {
      padding: 30px;
      border-radius: var(--radius-lg);
      background:
        linear-gradient(135deg, rgba(103,232,249,.13), rgba(139,92,246,.11)),
        rgba(255,255,255,.045);
      border: 1px solid rgba(103,232,249,.21);
    }

    .quote-panel blockquote {
      margin: 0;
      font-size: clamp(22px, 3vw, 34px);
      line-height: 1.35;
      letter-spacing: -.025em;
      font-weight: 900;
    }

    .quote-panel p {
      color: var(--muted);
      margin: 18px 0 0;
    }

    .accordion {
      --bs-accordion-bg: transparent;
      --bs-accordion-border-color: rgba(255,255,255,.12);
      --bs-accordion-btn-focus-box-shadow: 0 0 0 .25rem rgba(103,232,249,.18);
      --bs-accordion-active-bg: rgba(103,232,249,.08);
      --bs-accordion-active-color: #fff;
      display: grid;
      gap: 12px;
    }

    .accordion-item {
      overflow: hidden;
      color: var(--text);
      border-radius: 20px !important;
      border: 1px solid var(--line) !important;
      background: rgba(255,255,255,.055);
    }

    .accordion-button {
      color: var(--text);
      background: rgba(255,255,255,.045);
      font-weight: 900;
      padding: 18px 20px;
      box-shadow: none !important;
    }

    .accordion-button:not(.collapsed) {
      color: var(--text);
      background: rgba(103,232,249,.1);
    }

    .accordion-button::after {
      filter: invert(1);
      opacity: .75;
    }

    .accordion-body {
      color: var(--muted);
      padding: 18px 20px 22px;
      background: rgba(0,0,0,.08);
    }

    .cta-panel {
      position: relative;
      overflow: hidden;
      padding: 40px;
      border-radius: 34px;
      border: 1px solid rgba(103,232,249,.22);
      background:
        radial-gradient(circle at 15% 20%, rgba(103,232,249,.22), transparent 28%),
        radial-gradient(circle at 88% 35%, rgba(255,79,216,.16), transparent 30%),
        linear-gradient(135deg, rgba(18,26,53,.92), rgba(10,14,31,.86));
      box-shadow: var(--shadow);
    }

    .cta-panel::before {
      content: "";
      position: absolute;
      inset: auto -80px -140px auto;
      width: 320px;
      height: 320px;
      border-radius: 50%;
      background: radial-gradient(circle, rgba(69,242,167,.18), transparent 70%);
    }

    .cta-grid {
      position: relative;
      display: grid;
      grid-template-columns: 1fr auto;
      gap: 24px;
      align-items: center;
      z-index: 1;
    }

    .cta-panel h2 {
      font-size: clamp(28px, 3.5vw, 46px);
      line-height: 1.12;
      font-weight: 950;
      letter-spacing: -.035em;
      margin-bottom: 12px;
    }

    .cta-panel p {
      color: var(--muted);
      max-width: 720px;
      margin-bottom: 0;
    }

    .cta-actions {
      display: flex;
      gap: 12px;
      flex-wrap: wrap;
      justify-content: flex-end;
    }

    .site-footer {
      padding: 54px 0 28px;
      border-top: 1px solid rgba(255,255,255,.09);
      background: rgba(2, 4, 12, .44);
    }

    .footer-grid {
      display: grid;
      grid-template-columns: 1.5fr .75fr .75fr;
      gap: 28px;
      padding-bottom: 30px;
    }

    .footer-brand {
      display: flex;
      align-items: center;
      gap: 12px;
      margin-bottom: 14px;
    }

    .footer-brand strong {
      font-size: 18px;
      font-weight: 950;
    }

    .footer-text {
      color: var(--muted);
      max-width: 620px;
      margin: 0;
    }

    .footer-title {
      color: var(--text);
      font-weight: 900;
      margin-bottom: 14px;
    }

    .footer-links {
      display: grid;
      gap: 9px;
    }

    .footer-links a {
      color: var(--muted);
      font-weight: 700;
    }

    .footer-links a:hover {
      color: var(--primary);
      transform: translateX(3px);
    }

    .copyright {
      display: flex;
      justify-content: space-between;
      gap: 14px;
      padding-top: 22px;
      border-top: 1px solid rgba(255,255,255,.09);
      color: var(--muted-2);
      font-size: 13px;
    }

    @media (max-width: 1100px) {
      .nav-panel {
        flex-wrap: wrap;
      }

      .brand {
        min-width: auto;
        flex: 1;
      }

      .nav-links {
        order: 3;
        width: 100%;
        overflow-x: auto;
        padding-top: 4px;
        scrollbar-width: none;
      }

      .nav-links::-webkit-scrollbar {
        display: none;
      }

      .nav-cta {
        margin-left: auto;
      }

      .quick-search input {
        width: 135px;
      }

      .hero-grid,
      .split-panel {
        grid-template-columns: 1fr;
      }

      .process-grid {
        grid-template-columns: repeat(2, 1fr);
      }

      .process-step::after {
        display: none;
      }
    }

    @media (max-width: 768px) {
      .site-header {
        padding: 10px 0;
      }

      .nav-panel {
        border-radius: 22px;
      }

      .mobile-toggle {
        display: inline-flex;
        align-items: center;
        justify-content: center;
      }

      .nav-links,
      .nav-cta {
        display: none;
        width: 100%;
      }

      .nav-panel.open .nav-links,
      .nav-panel.open .nav-cta {
        display: grid;
      }

      .nav-panel.open .nav-links {
        grid-template-columns: 1fr;
      }

      .nav-panel.open .nav-cta {
        grid-template-columns: 1fr;
      }

      .nav-link-card,
      .quick-search,
      .btn-neon {
        width: 100%;
      }

      .quick-search input {
        width: 100%;
      }

      .hero {
        padding: 56px 0 24px;
      }

      .section {
        padding: 42px 0;
      }

      .section-head {
        display: block;
      }

      .section-desc {
        margin-top: 12px;
      }

      .score-grid {
        grid-template-columns: 1fr;
      }

      .process-grid {
        grid-template-columns: 1fr;
      }

      .cta-grid {
        grid-template-columns: 1fr;
      }

      .cta-actions {
        justify-content: flex-start;
      }

      .footer-grid {
        grid-template-columns: 1fr;
      }

      .copyright {
        flex-direction: column;
      }
    }

    @media (max-width: 520px) {
      .container {
        width: min(100% - 22px, var(--max));
      }

      .brand-title {
        font-size: 14px;
      }

      .brand-sub {
        display: none;
      }

      .brand-mark {
        width: 40px;
        height: 40px;
        flex-basis: 40px;
      }

      .hero h1 {
        font-size: 34px;
      }

      .hero-lead {
        font-size: 16px;
      }

      .hero-actions .btn-neon,
      .hero-actions .btn-ghost {
        width: 100%;
      }

      .console-body,
      .glass-card,
      .process-wrap,
      .quote-panel,
      .cta-panel {
        padding: 20px;
      }

      .framework-item {
        grid-template-columns: 1fr;
      }

      .signal-board {
        min-height: 360px;
      }

      .radar {
        inset: 50px;
      }
    }

/* roulang page: category2 */
:root {
      --bg: #080b16;
      --bg-soft: #101527;
      --panel: rgba(18, 24, 45, 0.88);
      --panel-strong: rgba(24, 32, 58, 0.96);
      --card: rgba(255, 255, 255, 0.075);
      --card-hover: rgba(255, 255, 255, 0.12);
      --text: #f4f7ff;
      --muted: #aeb9d7;
      --weak: #7f8aa8;
      --line: rgba(255, 255, 255, 0.13);
      --line-strong: rgba(125, 249, 255, 0.35);
      --primary: #6ee7ff;
      --primary-strong: #22d3ee;
      --secondary: #a78bfa;
      --accent: #fb7185;
      --success: #4ade80;
      --warning: #fbbf24;
      --radius-sm: 12px;
      --radius: 20px;
      --radius-lg: 30px;
      --shadow: 0 24px 70px rgba(0, 0, 0, 0.42);
      --shadow-soft: 0 16px 42px rgba(0, 0, 0, 0.28);
      --container: 1180px;
      --header-height: 92px;
      --trans: 180ms ease;
    }

    * {
      box-sizing: border-box;
    }

    html {
      scroll-behavior: smooth;
    }

    body {
      margin: 0;
      font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", sans-serif;
      line-height: 1.75;
      color: var(--text);
      background:
        radial-gradient(circle at 12% 8%, rgba(34, 211, 238, 0.24), transparent 30%),
        radial-gradient(circle at 88% 16%, rgba(167, 139, 250, 0.24), transparent 30%),
        radial-gradient(circle at 50% 86%, rgba(251, 113, 133, 0.12), transparent 34%),
        linear-gradient(180deg, #080b16 0%, #0c1020 44%, #070a13 100%);
      min-height: 100vh;
      overflow-x: hidden;
    }

    body::before {
      content: "";
      position: fixed;
      inset: 0;
      pointer-events: none;
      background-image:
        linear-gradient(rgba(255,255,255,0.035) 1px, transparent 1px),
        linear-gradient(90deg, rgba(255,255,255,0.035) 1px, transparent 1px);
      background-size: 46px 46px;
      mask-image: linear-gradient(to bottom, rgba(0,0,0,0.86), transparent 82%);
      z-index: -1;
    }

    a {
      color: inherit;
      text-decoration: none;
      transition: color var(--trans), background var(--trans), border-color var(--trans), transform var(--trans), box-shadow var(--trans);
    }

    img {
      max-width: 100%;
      display: block;
    }

    button,
    input {
      font: inherit;
    }

    button:focus-visible,
    input:focus-visible,
    a:focus-visible {
      outline: 3px solid rgba(110, 231, 255, 0.55);
      outline-offset: 3px;
      border-radius: 12px;
    }

    .container {
      width: min(100% - 32px, var(--container));
      max-width: var(--container);
      margin-inline: auto;
      padding-left: 0;
      padding-right: 0;
    }

    .site-header {
      position: sticky;
      top: 0;
      z-index: 1000;
      padding: 16px 0;
      background: linear-gradient(180deg, rgba(8, 11, 22, 0.92), rgba(8, 11, 22, 0.68));
      backdrop-filter: blur(18px);
      border-bottom: 1px solid rgba(255,255,255,0.06);
    }

    .nav-panel {
      display: flex;
      align-items: center;
      gap: 14px;
      padding: 12px;
      border: 1px solid var(--line);
      border-radius: var(--radius-lg);
      background: linear-gradient(135deg, rgba(15, 21, 39, 0.95), rgba(20, 28, 54, 0.82));
      box-shadow: var(--shadow-soft);
    }

    .brand {
      display: flex;
      align-items: center;
      gap: 12px;
      min-width: 255px;
      padding: 8px 10px;
      border-radius: 18px;
    }

    .brand:hover {
      background: rgba(255,255,255,0.06);
      transform: translateY(-1px);
    }

    .brand-mark {
      width: 44px;
      height: 44px;
      flex: 0 0 44px;
      display: inline-flex;
      align-items: center;
      justify-content: center;
      border-radius: 16px;
      color: #07111e;
      background: linear-gradient(135deg, var(--primary), var(--secondary));
      box-shadow: 0 0 24px rgba(110, 231, 255, 0.35);
    }

    .brand-title {
      display: block;
      font-weight: 900;
      letter-spacing: -0.03em;
      color: #fff;
      font-size: 1.02rem;
      line-height: 1.15;
    }

    .brand-sub {
      display: block;
      color: var(--muted);
      font-size: 0.76rem;
      margin-top: 2px;
      line-height: 1.2;
    }

    .mobile-toggle {
      display: none;
      width: 44px;
      height: 44px;
      border: 1px solid var(--line);
      color: var(--text);
      background: rgba(255,255,255,0.06);
      border-radius: 14px;
    }

    .mobile-toggle:hover,
    .mobile-toggle.active {
      border-color: var(--line-strong);
      background: rgba(110, 231, 255, 0.13);
    }

    .nav-links {
      display: flex;
      align-items: center;
      gap: 8px;
      flex: 1;
    }

    .nav-link-card {
      display: inline-flex;
      align-items: center;
      gap: 8px;
      min-height: 44px;
      padding: 10px 13px;
      border: 1px solid rgba(255,255,255,0.09);
      border-radius: 16px;
      color: var(--muted);
      background: rgba(255,255,255,0.045);
      white-space: nowrap;
      font-weight: 700;
      font-size: 0.92rem;
    }

    .nav-link-card i {
      color: var(--primary);
    }

    .nav-link-card:hover,
    .nav-link-card.active {
      color: #fff;
      transform: translateY(-1px);
      background: linear-gradient(135deg, rgba(34, 211, 238, 0.17), rgba(167, 139, 250, 0.14));
      border-color: var(--line-strong);
      box-shadow: 0 12px 26px rgba(34, 211, 238, 0.12);
    }

    .nav-cta {
      display: flex;
      align-items: center;
      gap: 10px;
    }

    .quick-search {
      display: flex;
      align-items: center;
      gap: 8px;
      min-width: 220px;
      height: 44px;
      padding: 0 12px;
      border: 1px solid rgba(255,255,255,0.1);
      border-radius: 16px;
      background: rgba(0,0,0,0.2);
      color: var(--weak);
    }

    .quick-search input {
      width: 100%;
      min-width: 0;
      border: 0;
      outline: 0;
      color: var(--text);
      background: transparent;
      font-size: 0.9rem;
    }

    .quick-search input::placeholder {
      color: var(--weak);
    }

    .btn-neon,
    .btn-ghost,
    .btn-soft {
      display: inline-flex;
      align-items: center;
      justify-content: center;
      gap: 9px;
      min-height: 46px;
      padding: 12px 18px;
      border-radius: 999px;
      border: 1px solid transparent;
      font-weight: 850;
      line-height: 1;
      transition: transform var(--trans), box-shadow var(--trans), background var(--trans), border-color var(--trans), color var(--trans);
    }

    .btn-neon {
      color: #06101c;
      background: linear-gradient(135deg, var(--primary), var(--secondary));
      box-shadow: 0 0 28px rgba(110, 231, 255, 0.28);
    }

    .btn-neon:hover {
      color: #06101c;
      transform: translateY(-2px);
      box-shadow: 0 18px 40px rgba(110, 231, 255, 0.26);
    }

    .btn-ghost {
      color: var(--text);
      border-color: var(--line);
      background: rgba(255,255,255,0.06);
    }

    .btn-ghost:hover {
      color: #fff;
      border-color: var(--line-strong);
      background: rgba(110, 231, 255, 0.12);
      transform: translateY(-2px);
    }

    .btn-soft {
      color: var(--primary);
      border-color: rgba(110, 231, 255, 0.25);
      background: rgba(110, 231, 255, 0.1);
    }

    .btn-soft:hover {
      color: #fff;
      background: rgba(110, 231, 255, 0.18);
      transform: translateY(-2px);
    }

    .main {
      position: relative;
    }

    .section {
      padding: 76px 0;
    }

    .section-tight {
      padding: 48px 0;
    }

    .hero {
      padding: 74px 0 52px;
      position: relative;
    }

    .hero-grid {
      display: grid;
      grid-template-columns: minmax(0, 1.08fr) minmax(320px, 0.92fr);
      gap: 34px;
      align-items: center;
    }

    .eyebrow {
      display: inline-flex;
      align-items: center;
      gap: 8px;
      padding: 7px 12px;
      border: 1px solid rgba(110, 231, 255, 0.24);
      border-radius: 999px;
      color: var(--primary);
      background: rgba(110, 231, 255, 0.09);
      font-size: 0.86rem;
      font-weight: 800;
      margin-bottom: 18px;
    }

    .hero-title {
      margin: 0;
      font-size: clamp(2.2rem, 5.2vw, 4.9rem);
      line-height: 1.04;
      letter-spacing: -0.065em;
      font-weight: 950;
    }

    .gradient-text {
      color: transparent;
      background: linear-gradient(135deg, #fff 5%, var(--primary) 42%, var(--secondary) 80%);
      -webkit-background-clip: text;
      background-clip: text;
    }

    .hero-lead {
      margin: 22px 0 0;
      max-width: 690px;
      color: var(--muted);
      font-size: 1.08rem;
    }

    .keyword-note {
      margin-top: 18px;
      padding: 16px 18px;
      border-radius: var(--radius);
      border: 1px solid rgba(251, 113, 133, 0.22);
      color: #ffd3dc;
      background: linear-gradient(135deg, rgba(251,113,133,0.12), rgba(110,231,255,0.06));
    }

    .hero-actions {
      display: flex;
      flex-wrap: wrap;
      gap: 12px;
      margin-top: 28px;
    }

    .hero-panel {
      position: relative;
      padding: 22px;
      border: 1px solid var(--line);
      border-radius: var(--radius-lg);
      background: linear-gradient(160deg, rgba(255,255,255,0.09), rgba(255,255,255,0.035));
      box-shadow: var(--shadow);
      overflow: hidden;
    }

    .hero-panel::before {
      content: "";
      position: absolute;
      width: 260px;
      height: 260px;
      right: -90px;
      top: -90px;
      border-radius: 999px;
      background: radial-gradient(circle, rgba(110,231,255,0.28), transparent 64%);
    }

    .monitor-card {
      position: relative;
      padding: 20px;
      border-radius: 24px;
      border: 1px solid rgba(255,255,255,0.12);
      background: rgba(7, 10, 19, 0.72);
    }

    .monitor-top {
      display: flex;
      justify-content: space-between;
      gap: 14px;
      align-items: center;
      margin-bottom: 18px;
    }

    .status-badge {
      display: inline-flex;
      align-items: center;
      gap: 8px;
      padding: 7px 10px;
      border-radius: 999px;
      color: var(--success);
      background: rgba(74, 222, 128, 0.1);
      border: 1px solid rgba(74, 222, 128, 0.18);
      font-size: 0.82rem;
      font-weight: 800;
    }

    .signal {
      width: 8px;
      height: 8px;
      border-radius: 999px;
      background: var(--success);
      box-shadow: 0 0 0 6px rgba(74, 222, 128, 0.11);
    }

    .score-ring {
      width: 138px;
      height: 138px;
      margin: 12px auto 20px;
      border-radius: 999px;
      display: grid;
      place-items: center;
      background:
        radial-gradient(circle at center, #0b1020 58%, transparent 59%),
        conic-gradient(var(--primary) 0 78%, rgba(255,255,255,0.12) 78% 100%);
      box-shadow: inset 0 0 28px rgba(110,231,255,0.12), 0 0 42px rgba(110,231,255,0.13);
    }

    .score-ring strong {
      display: block;
      font-size: 2rem;
      line-height: 1;
      letter-spacing: -0.04em;
    }

    .score-ring span {
      display: block;
      color: var(--muted);
      font-size: 0.78rem;
      text-align: center;
      margin-top: 5px;
    }

    .health-list {
      display: grid;
      gap: 10px;
      margin: 0;
      padding: 0;
      list-style: none;
    }

    .health-list li {
      display: flex;
      align-items: center;
      gap: 10px;
      padding: 12px;
      border-radius: 16px;
      background: rgba(255,255,255,0.055);
      color: var(--muted);
      border: 1px solid rgba(255,255,255,0.07);
    }

    .health-list i {
      color: var(--primary);
    }

    .section-head {
      display: flex;
      align-items: end;
      justify-content: space-between;
      gap: 24px;
      margin-bottom: 28px;
    }

    .section-kicker {
      color: var(--primary);
      font-weight: 900;
      letter-spacing: 0.08em;
      font-size: 0.82rem;
      text-transform: uppercase;
      margin-bottom: 8px;
    }

    .section-title {
      margin: 0;
      max-width: 820px;
      font-size: clamp(1.8rem, 3.4vw, 3.1rem);
      line-height: 1.12;
      letter-spacing: -0.045em;
      font-weight: 950;
    }

    .section-desc {
      max-width: 440px;
      color: var(--muted);
      margin: 0;
    }

    .glass-card {
      height: 100%;
      padding: 24px;
      border-radius: var(--radius);
      border: 1px solid var(--line);
      background: linear-gradient(160deg, rgba(255,255,255,0.085), rgba(255,255,255,0.035));
      box-shadow: 0 12px 34px rgba(0,0,0,0.18);
      transition: transform var(--trans), box-shadow var(--trans), border-color var(--trans), background var(--trans);
    }

    .glass-card:hover {
      transform: translateY(-5px);
      border-color: var(--line-strong);
      background: linear-gradient(160deg, rgba(255,255,255,0.12), rgba(255,255,255,0.045));
      box-shadow: 0 22px 52px rgba(0,0,0,0.26);
    }

    .icon-box {
      width: 50px;
      height: 50px;
      display: inline-flex;
      align-items: center;
      justify-content: center;
      border-radius: 18px;
      color: #07111e;
      background: linear-gradient(135deg, var(--primary), var(--secondary));
      box-shadow: 0 12px 30px rgba(110,231,255,0.16);
      margin-bottom: 18px;
      font-size: 1.1rem;
    }

    .card-title {
      margin: 0 0 10px;
      color: #fff;
      font-weight: 900;
      letter-spacing: -0.02em;
      font-size: 1.16rem;
    }

    .card-text {
      margin: 0;
      color: var(--muted);
    }

    .pill-row {
      display: flex;
      flex-wrap: wrap;
      gap: 9px;
      margin-top: 16px;
    }

    .tag-pill {
      display: inline-flex;
      align-items: center;
      gap: 6px;
      padding: 7px 10px;
      border-radius: 999px;
      color: var(--muted);
      background: rgba(255,255,255,0.065);
      border: 1px solid rgba(255,255,255,0.09);
      font-size: 0.82rem;
      font-weight: 750;
    }

    .tag-pill.hot {
      color: #ffd9e0;
      border-color: rgba(251,113,133,0.25);
      background: rgba(251,113,133,0.11);
    }

    .framework {
      border-radius: var(--radius-lg);
      border: 1px solid var(--line);
      background: linear-gradient(135deg, rgba(14, 20, 38, 0.94), rgba(18, 26, 52, 0.72));
      box-shadow: var(--shadow);
      overflow: hidden;
    }

    .framework-grid {
      display: grid;
      grid-template-columns: 0.9fr 1.1fr;
      gap: 0;
    }

    .framework-side {
      padding: 34px;
      background:
        radial-gradient(circle at 22% 15%, rgba(110,231,255,0.19), transparent 32%),
        rgba(255,255,255,0.035);
      border-right: 1px solid var(--line);
    }

    .framework-side h2 {
      margin: 0 0 12px;
      font-size: clamp(1.7rem, 3vw, 2.7rem);
      line-height: 1.1;
      letter-spacing: -0.04em;
      font-weight: 950;
    }

    .framework-side p {
      margin: 0;
      color: var(--muted);
    }

    .metrics {
      display: grid;
      grid-template-columns: repeat(2, 1fr);
      gap: 12px;
      margin-top: 24px;
    }

    .metric {
      padding: 16px;
      border: 1px solid rgba(255,255,255,0.09);
      border-radius: 18px;
      background: rgba(0,0,0,0.18);
    }

    .metric strong {
      display: block;
      color: #fff;
      font-size: 1.55rem;
      line-height: 1;
    }

    .metric span {
      display: block;
      color: var(--weak);
      font-size: 0.82rem;
      margin-top: 6px;
    }

    .framework-list {
      padding: 28px;
      display: grid;
      gap: 14px;
    }

    .check-item {
      display: grid;
      grid-template-columns: 38px 1fr;
      gap: 12px;
      padding: 16px;
      border-radius: 18px;
      border: 1px solid rgba(255,255,255,0.08);
      background: rgba(255,255,255,0.045);
    }

    .check-item i {
      width: 38px;
      height: 38px;
      display: inline-flex;
      align-items: center;
      justify-content: center;
      border-radius: 14px;
      color: var(--primary);
      background: rgba(110,231,255,0.11);
    }

    .check-item h3 {
      margin: 0 0 4px;
      font-size: 1.02rem;
      font-weight: 900;
    }

    .check-item p {
      margin: 0;
      color: var(--muted);
      font-size: 0.94rem;
    }

    .scenario-card {
      display: flex;
      gap: 16px;
      padding: 20px;
      border-radius: var(--radius);
      border: 1px solid var(--line);
      background: rgba(255,255,255,0.055);
      height: 100%;
    }

    .scenario-index {
      width: 42px;
      height: 42px;
      flex: 0 0 42px;
      display: inline-flex;
      align-items: center;
      justify-content: center;
      border-radius: 15px;
      color: #07111e;
      font-weight: 950;
      background: linear-gradient(135deg, var(--primary), var(--secondary));
    }

    .scenario-card h3 {
      margin: 0 0 6px;
      font-size: 1.1rem;
      font-weight: 900;
    }

    .scenario-card p {
      margin: 0;
      color: var(--muted);
    }

    .process {
      display: grid;
      grid-template-columns: repeat(4, 1fr);
      gap: 14px;
      position: relative;
    }

    .process-step {
      position: relative;
      padding: 22px;
      border-radius: var(--radius);
      border: 1px solid var(--line);
      background: rgba(255,255,255,0.06);
      overflow: hidden;
    }

    .process-step::after {
      content: "";
      position: absolute;
      inset: auto -30px -50px auto;
      width: 110px;
      height: 110px;
      border-radius: 50%;
      background: radial-gradient(circle, rgba(110,231,255,0.15), transparent 68%);
    }

    .step-num {
      display: inline-flex;
      align-items: center;
      justify-content: center;
      width: 36px;
      height: 36px;
      margin-bottom: 16px;
      border-radius: 14px;
      color: var(--primary);
      border: 1px solid rgba(110,231,255,0.25);
      background: rgba(110,231,255,0.09);
      font-weight: 950;
    }

    .process-step h3 {
      margin: 0 0 8px;
      font-size: 1.04rem;
      font-weight: 900;
    }

    .process-step p {
      margin: 0;
      color: var(--muted);
      font-size: 0.94rem;
    }

    .warning-panel {
      padding: 26px;
      border-radius: var(--radius-lg);
      border: 1px solid rgba(251, 191, 36, 0.26);
      background:
        linear-gradient(135deg, rgba(251,191,36,0.12), rgba(255,255,255,0.04)),
        rgba(12,16,32,0.78);
      box-shadow: var(--shadow-soft);
    }

    .warning-panel h2 {
      margin: 0 0 12px;
      font-size: clamp(1.55rem, 2.8vw, 2.5rem);
      font-weight: 950;
      letter-spacing: -0.04em;
    }

    .warning-panel p {
      margin: 0;
      color: var(--muted);
    }

    .do-dont {
      display: grid;
      grid-template-columns: repeat(2, 1fr);
      gap: 18px;
      margin-top: 22px;
    }

    .do-box,
    .dont-box {
      padding: 20px;
      border-radius: var(--radius);
      border: 1px solid var(--line);
      background: rgba(255,255,255,0.052);
    }

    .do-box h3,
    .dont-box h3 {
      margin: 0 0 14px;
      font-size: 1.08rem;
      font-weight: 900;
    }

    .do-box h3 {
      color: #b8ffd0;
    }

    .dont-box h3 {
      color: #ffd3dc;
    }

    .clean-list {
      list-style: none;
      padding: 0;
      margin: 0;
      display: grid;
      gap: 10px;
    }

    .clean-list li {
      display: flex;
      gap: 10px;
      color: var(--muted);
    }

    .clean-list i {
      margin-top: 5px;
      color: var(--primary);
    }

    .dont-box .clean-list i {
      color: var(--accent);
    }

    .accordion {
      display: grid;
      gap: 12px;
    }

    .accordion-item {
      color: var(--text);
      border: 1px solid var(--line) !important;
      border-radius: var(--radius) !important;
      overflow: hidden;
      background: rgba(255,255,255,0.055) !important;
    }

    .accordion-button {
      color: var(--text);
      background: rgba(255,255,255,0.04);
      border: 0;
      box-shadow: none !important;
      padding: 18px 20px;
      font-weight: 900;
    }

    .accordion-button:not(.collapsed) {
      color: #fff;
      background: linear-gradient(135deg, rgba(110,231,255,0.14), rgba(167,139,250,0.11));
    }

    .accordion-button::after {
      filter: invert(1) grayscale(1);
      opacity: 0.75;
    }

    .accordion-body {
      color: var(--muted);
      padding: 0 20px 20px;
      background: transparent;
    }

    .cta-panel {
      position: relative;
      overflow: hidden;
      padding: 34px;
      border-radius: var(--radius-lg);
      border: 1px solid var(--line-strong);
      background:
        radial-gradient(circle at 16% 20%, rgba(110,231,255,0.23), transparent 34%),
        radial-gradient(circle at 90% 20%, rgba(167,139,250,0.22), transparent 32%),
        linear-gradient(135deg, rgba(255,255,255,0.1), rgba(255,255,255,0.045));
      box-shadow: var(--shadow);
    }

    .cta-panel h2 {
      margin: 0 0 12px;
      font-size: clamp(1.8rem, 3.6vw, 3.4rem);
      line-height: 1.08;
      font-weight: 950;
      letter-spacing: -0.05em;
    }

    .cta-panel p {
      max-width: 760px;
      color: var(--muted);
      margin: 0;
    }

    .ask-box {
      display: grid;
      grid-template-columns: 1fr auto;
      gap: 12px;
      margin-top: 24px;
      padding: 10px;
      border-radius: 22px;
      border: 1px solid rgba(255,255,255,0.12);
      background: rgba(0,0,0,0.22);
    }

    .ask-box input {
      min-width: 0;
      border: 0;
      outline: 0;
      background: transparent;
      color: var(--text);
      padding: 0 12px;
    }

    .ask-box input::placeholder {
      color: var(--weak);
    }

    .site-footer {
      padding: 58px 0 26px;
      background: linear-gradient(180deg, rgba(7,10,19,0.2), rgba(4,6,12,0.92));
      border-top: 1px solid rgba(255,255,255,0.08);
    }

    .footer-grid {
      display: grid;
      grid-template-columns: 1.4fr 0.8fr 0.8fr;
      gap: 28px;
      padding: 28px;
      border-radius: var(--radius-lg);
      border: 1px solid var(--line);
      background: rgba(255,255,255,0.045);
    }

    .footer-brand {
      display: flex;
      align-items: center;
      gap: 12px;
      margin-bottom: 14px;
    }

    .footer-brand strong {
      color: #fff;
      font-size: 1.12rem;
      font-weight: 950;
    }

    .footer-text {
      max-width: 560px;
      color: var(--muted);
      margin: 0;
    }

    .footer-title {
      color: #fff;
      font-weight: 900;
      margin-bottom: 12px;
    }

    .footer-links {
      display: grid;
      gap: 9px;
    }

    .footer-links a {
      color: var(--muted);
      width: fit-content;
    }

    .footer-links a:hover {
      color: var(--primary);
      transform: translateX(3px);
    }

    .copyright {
      display: flex;
      justify-content: space-between;
      gap: 16px;
      color: var(--weak);
      font-size: 0.88rem;
      padding-top: 20px;
      margin-top: 20px;
      border-top: 1px solid rgba(255,255,255,0.08);
    }

    @media (max-width: 1100px) {
      .nav-panel {
        flex-wrap: wrap;
      }

      .brand {
        flex: 1;
      }

      .nav-links {
        order: 3;
        width: 100%;
        overflow-x: auto;
        padding-bottom: 2px;
      }

      .nav-cta {
        margin-left: auto;
      }

      .quick-search {
        min-width: 190px;
      }

      .hero-grid,
      .framework-grid {
        grid-template-columns: 1fr;
      }

      .framework-side {
        border-right: 0;
        border-bottom: 1px solid var(--line);
      }

      .process {
        grid-template-columns: repeat(2, 1fr);
      }
    }

    @media (max-width: 768px) {
      .site-header {
        padding: 10px 0;
      }

      .nav-panel {
        border-radius: 22px;
      }

      .brand {
        min-width: 0;
      }

      .brand-title {
        font-size: 0.96rem;
      }

      .brand-sub {
        display: none;
      }

      .mobile-toggle {
        display: inline-flex;
        align-items: center;
        justify-content: center;
      }

      .nav-links,
      .nav-cta {
        display: none;
        width: 100%;
      }

      .nav-panel.menu-open .nav-links,
      .nav-panel.menu-open .nav-cta {
        display: grid;
      }

      .nav-links {
        grid-template-columns: 1fr;
        overflow: visible;
      }

      .nav-link-card {
        width: 100%;
        justify-content: flex-start;
      }

      .nav-cta {
        grid-template-columns: 1fr;
      }

      .quick-search {
        width: 100%;
      }

      .hero {
        padding-top: 46px;
      }

      .section {
        padding: 56px 0;
      }

      .section-head {
        display: block;
      }

      .section-desc {
        margin-top: 12px;
      }

      .metrics,
      .do-dont,
      .footer-grid {
        grid-template-columns: 1fr;
      }

      .copyright {
        flex-direction: column;
      }

      .ask-box {
        grid-template-columns: 1fr;
      }

      .ask-box input {
        min-height: 44px;
      }
    }

    @media (max-width: 520px) {
      .container {
        width: min(100% - 22px, var(--container));
      }

      .hero-title {
        font-size: clamp(2.1rem, 12vw, 3.25rem);
      }

      .hero-actions {
        display: grid;
      }

      .btn-neon,
      .btn-ghost,
      .btn-soft {
        width: 100%;
      }

      .hero-panel,
      .cta-panel,
      .warning-panel,
      .framework-side,
      .framework-list {
        padding: 20px;
      }

      .process {
        grid-template-columns: 1fr;
      }

      .scenario-card {
        flex-direction: column;
      }
    }