/* roulang page: index */
:root{
      --bg:#060A14;
      --bg-2:#08111F;
      --bg-3:#0B1020;
      --panel:rgba(15,23,42,.64);
      --panel-2:rgba(30,41,59,.48);
      --panel-3:rgba(8,17,31,.72);
      --text:#F8FAFC;
      --muted:#CBD5E1;
      --weak:#94A3B8;
      --line:rgba(148,163,184,.18);
      --line-strong:rgba(255,255,255,.12);
      --cyan:#22D3EE;
      --blue:#38BDF8;
      --purple:#8B5CF6;
      --purple-2:#A78BFA;
      --amber:#FBBF24;
      --green:#34D399;
      --danger:#FB7185;
      --radius-xl:28px;
      --radius-lg:22px;
      --radius-md:16px;
      --radius-sm:12px;
      --shadow:0 24px 80px rgba(0,0,0,.38);
      --shadow-soft:0 18px 50px rgba(0,0,0,.28);
      --glow:0 0 0 1px rgba(34,211,238,.22),0 0 28px rgba(34,211,238,.16);
      --container:1200px;
      --ease:all .24s ease;
    }
    *{box-sizing:border-box;margin:0;padding:0}
    html{scroll-behavior:smooth}
    body{
      min-height:100vh;
      font-family:system-ui,-apple-system,BlinkMacSystemFont,"PingFang SC","Microsoft YaHei","Noto Sans SC",sans-serif;
      color:var(--text);
      background:
        radial-gradient(circle at 12% 8%, rgba(34,211,238,.18), transparent 30%),
        radial-gradient(circle at 80% 5%, rgba(139,92,246,.18), transparent 28%),
        radial-gradient(circle at 52% 60%, rgba(56,189,248,.08), transparent 36%),
        linear-gradient(145deg,var(--bg),var(--bg-2) 46%,var(--bg-3));
      line-height:1.75;
      overflow-x:hidden;
    }
    body:before{
      content:"";
      position:fixed;
      inset:0;
      pointer-events:none;
      background-image:
        linear-gradient(rgba(255,255,255,.03) 1px,transparent 1px),
        linear-gradient(90deg,rgba(255,255,255,.025) 1px,transparent 1px);
      background-size:42px 42px;
      mask-image:linear-gradient(to bottom,rgba(0,0,0,.9),transparent 85%);
      z-index:-1;
    }
    a{color:inherit;text-decoration:none}
    img,svg{max-width:100%;display:block}
    button,input,select,textarea{font:inherit;color:inherit}
    button{cursor:pointer;border:none;background:none}
    ::selection{background:rgba(34,211,238,.28);color:#fff}
    .container{width:min(100% - 40px,var(--container));margin-inline:auto}
    .site-header{
      position:sticky;
      top:0;
      z-index:50;
      background:rgba(6,10,20,.78);
      backdrop-filter:blur(20px);
      border-bottom:1px solid var(--line);
      box-shadow:0 12px 40px rgba(0,0,0,.18);
    }
    .topbar{
      min-height:74px;
      display:grid;
      grid-template-columns:auto minmax(240px,1fr) auto;
      align-items:center;
      gap:18px;
    }
    .logo{
      display:flex;
      align-items:center;
      gap:12px;
      min-width:0;
      font-weight:800;
      letter-spacing:-.02em;
      color:#fff;
      white-space:nowrap;
    }
    .logo-mark{
      width:42px;height:42px;border-radius:15px;
      background:
        linear-gradient(135deg,rgba(34,211,238,.95),rgba(139,92,246,.9)),
        radial-gradient(circle at 30% 20%,#fff,transparent 32%);
      position:relative;
      box-shadow:0 0 30px rgba(34,211,238,.22);
      overflow:hidden;
      flex:0 0 auto;
    }
    .logo-mark:before,.logo-mark:after{
      content:"";position:absolute;border:1px solid rgba(255,255,255,.5);border-radius:8px;
    }
    .logo-mark:before{inset:8px 17px 8px 8px}
    .logo-mark:after{inset:17px 8px 8px 20px}
    .logo-text{font-size:17px;line-height:1.2}
    .search-wrap{
      position:relative;
      max-width:520px;
      justify-self:end;
      width:100%;
    }
    .search-wrap svg{
      position:absolute;left:16px;top:50%;transform:translateY(-50%);
      color:var(--weak);
      width:18px;height:18px;
    }
    .search-input{
      width:100%;
      height:46px;
      padding:0 16px 0 46px;
      border-radius:999px;
      border:1px solid var(--line);
      background:rgba(15,23,42,.55);
      outline:none;
      transition:var(--ease);
      color:var(--text);
    }
    .search-input::placeholder{color:rgba(203,213,225,.72)}
    .search-input:focus{
      border-color:rgba(34,211,238,.58);
      box-shadow:0 0 0 4px rgba(34,211,238,.10),0 0 32px rgba(34,211,238,.12);
      background:rgba(15,23,42,.78);
    }
    .nav-actions{display:flex;align-items:center;gap:12px;justify-self:end}
    .age-badge,.tag,.status-badge{
      display:inline-flex;align-items:center;gap:7px;
      padding:7px 11px;
      border-radius:999px;
      border:1px solid rgba(251,191,36,.28);
      color:#FDE68A;
      background:rgba(251,191,36,.09);
      font-size:13px;
      line-height:1;
      white-space:nowrap;
    }
    .age-dot{width:7px;height:7px;border-radius:50%;background:var(--amber);box-shadow:0 0 14px rgba(251,191,36,.7)}
    .btn{
      display:inline-flex;align-items:center;justify-content:center;gap:8px;
      min-height:46px;
      padding:0 18px;
      border-radius:999px;
      border:1px solid var(--line-strong);
      background:rgba(15,23,42,.62);
      color:var(--text);
      font-weight:700;
      transition:var(--ease);
      white-space:nowrap;
      outline:none;
    }
    .btn:hover{transform:translateY(-2px);border-color:rgba(34,211,238,.45);box-shadow:var(--glow)}
    .btn:focus-visible,.tab-link:focus-visible,.faq-question:focus-visible{outline:3px solid rgba(34,211,238,.32);outline-offset:3px}
    .btn-primary{
      border-color:rgba(34,211,238,.45);
      background:linear-gradient(135deg,rgba(34,211,238,.95),rgba(139,92,246,.92));
      color:#04111f;
      box-shadow:0 16px 36px rgba(34,211,238,.18);
    }
    .btn-primary:hover{filter:brightness(1.08);box-shadow:0 18px 52px rgba(34,211,238,.28),0 0 34px rgba(139,92,246,.18)}
    .btn-secondary{background:rgba(255,255,255,.055)}
    .menu-toggle{display:none;width:46px;height:46px;border-radius:15px;border:1px solid var(--line);background:rgba(15,23,42,.65)}
    .menu-toggle span{display:block;width:19px;height:2px;background:var(--text);margin:5px auto;border-radius:3px}
    .tabs-row{
      border-top:1px solid rgba(148,163,184,.10);
      padding:12px 0 14px;
      overflow:hidden;
    }
    .tabs{
      display:flex;
      gap:10px;
      overflow-x:auto;
      scrollbar-width:none;
      padding-bottom:2px;
    }
    .tabs::-webkit-scrollbar{display:none}
    .tab-link{
      display:inline-flex;align-items:center;gap:8px;
      padding:9px 14px;
      border-radius:999px;
      border:1px solid var(--line);
      background:rgba(15,23,42,.36);
      color:var(--muted);
      font-weight:700;
      font-size:14px;
      white-space:nowrap;
      transition:var(--ease);
    }
    .tab-link:hover{color:#fff;border-color:rgba(34,211,238,.42);background:rgba(34,211,238,.08)}
    .tab-link.active{
      color:#fff;
      border-color:rgba(34,211,238,.62);
      background:linear-gradient(135deg,rgba(34,211,238,.18),rgba(139,92,246,.18));
      box-shadow:0 0 24px rgba(34,211,238,.12);
    }
    main{position:relative}
    .hero{padding:76px 0 92px}
    .hero-grid{
      display:grid;
      grid-template-columns:1.02fr 1.18fr;
      gap:42px;
      align-items:center;
    }
    .eyebrow{
      display:inline-flex;align-items:center;gap:9px;
      padding:8px 12px;
      border-radius:999px;
      border:1px solid rgba(34,211,238,.28);
      background:rgba(34,211,238,.08);
      color:#BAF3FF;
      font-size:14px;
      font-weight:700;
      margin-bottom:20px;
    }
    .pulse{
      width:9px;height:9px;border-radius:50%;
      background:var(--green);
      box-shadow:0 0 0 6px rgba(52,211,153,.12),0 0 22px rgba(52,211,153,.65);
    }
    h1{
      font-size:clamp(36px,4.8vw,58px);
      line-height:1.12;
      letter-spacing:-.045em;
      font-weight:850;
      max-width:720px;
    }
    .gradient-text{
      background:linear-gradient(120deg,#fff 20%,#A5F3FC 48%,#C4B5FD 78%);
      -webkit-background-clip:text;background-clip:text;color:transparent;
    }
    .hero-lead{
      margin-top:22px;
      color:var(--muted);
      font-size:17px;
      line-height:1.85;
      max-width:620px;
    }
    .hero-tags{display:flex;flex-wrap:wrap;gap:10px;margin:26px 0 30px}
    .tag{
      border-color:rgba(148,163,184,.2);
      color:var(--muted);
      background:rgba(255,255,255,.045);
    }
    .tag.cyan{border-color:rgba(34,211,238,.28);color:#A5F3FC;background:rgba(34,211,238,.08)}
    .tag.purple{border-color:rgba(167,139,250,.28);color:#DDD6FE;background:rgba(139,92,246,.09)}
    .hero-actions{display:flex;gap:14px;flex-wrap:wrap}
    .hero-note{
      margin-top:20px;
      color:var(--weak);
      font-size:13px;
      display:flex;gap:8px;align-items:flex-start;
    }
    .console{
      position:relative;
      border:1px solid var(--line-strong);
      background:linear-gradient(145deg,rgba(15,23,42,.72),rgba(8,17,31,.56));
      border-radius:32px;
      box-shadow:var(--shadow);
      backdrop-filter:blur(22px);
      overflow:hidden;
      padding:22px;
    }
    .console:before{
      content:"";
      position:absolute;
      width:300px;height:300px;border-radius:50%;
      background:rgba(34,211,238,.13);
      filter:blur(10px);
      right:-120px;top:-110px;
      pointer-events:none;
    }
    .console-top{
      display:flex;align-items:center;justify-content:space-between;gap:16px;
      padding-bottom:18px;border-bottom:1px solid rgba(148,163,184,.12);
      position:relative;
    }
    .window-dots{display:flex;gap:7px}
    .window-dots i{width:10px;height:10px;border-radius:50%;display:block;background:var(--weak);opacity:.75}
    .window-dots i:nth-child(1){background:#FB7185}.window-dots i:nth-child(2){background:#FBBF24}.window-dots i:nth-child(3){background:#34D399}
    .console-title{font-weight:800;color:#E0F2FE}
    .privacy-switch{
      display:flex;align-items:center;gap:9px;
      padding:7px 10px;border:1px solid rgba(52,211,153,.25);border-radius:999px;background:rgba(52,211,153,.08);font-size:12px;color:#BBF7D0;
    }
    .switch-track{width:32px;height:18px;border-radius:999px;background:rgba(52,211,153,.3);position:relative}
    .switch-track:after{content:"";position:absolute;right:3px;top:3px;width:12px;height:12px;border-radius:50%;background:#D1FAE5;box-shadow:0 0 14px rgba(52,211,153,.65)}
    .console-body{position:relative;padding-top:20px;display:grid;grid-template-columns:190px 1fr;gap:18px}
    .side-panel,.main-panel,.mini-card,.metric,.glass-card{
      border:1px solid var(--line-strong);
      background:rgba(15,23,42,.52);
      border-radius:22px;
      backdrop-filter:blur(18px);
    }
    .side-panel{padding:14px;display:flex;flex-direction:column;gap:10px}
    .channel-item{
      display:flex;align-items:center;justify-content:space-between;gap:10px;
      padding:10px 11px;border-radius:14px;color:var(--muted);font-size:13px;
      background:rgba(255,255,255,.035);
      border:1px solid transparent;
    }
    .channel-item.active{background:linear-gradient(135deg,rgba(34,211,238,.14),rgba(139,92,246,.12));border-color:rgba(34,211,238,.28);color:#fff}
    .channel-item em{font-style:normal;color:var(--cyan);font-size:12px}
    .main-panel{padding:16px;min-width:0}
    .fake-search{height:38px;border-radius:999px;background:rgba(2,6,23,.5);border:1px solid rgba(148,163,184,.14);display:flex;align-items:center;padding:0 14px;color:var(--weak);font-size:13px;margin-bottom:14px}
    .resource-grid{display:grid;grid-template-columns:1.1fr .9fr;gap:12px}
    .cover{
      min-height:142px;border-radius:20px;position:relative;overflow:hidden;
      background:
        radial-gradient(circle at 28% 20%,rgba(34,211,238,.36),transparent 34%),
        radial-gradient(circle at 80% 70%,rgba(139,92,246,.32),transparent 38%),
        linear-gradient(135deg,rgba(15,23,42,.7),rgba(30,41,59,.5));
      border:1px solid rgba(255,255,255,.1);
    }
    .cover:before{
      content:"";
      position:absolute;inset:0;
      background-image:linear-gradient(90deg,rgba(255,255,255,.07) 1px,transparent 1px),linear-gradient(rgba(255,255,255,.06) 1px,transparent 1px);
      background-size:24px 24px;
      opacity:.45;
    }
    .cover strong{position:absolute;left:16px;bottom:14px;font-size:30px;letter-spacing:-.04em;color:#fff}
    .mini-list{display:flex;flex-direction:column;gap:12px}
    .mini-card{padding:12px}
    .mini-card b{display:block;font-size:13px;margin-bottom:8px}
    .progress{height:7px;background:rgba(148,163,184,.13);border-radius:999px;overflow:hidden}
    .progress span{display:block;height:100%;border-radius:inherit;background:linear-gradient(90deg,var(--cyan),var(--purple))}
    .section{padding:92px 0}
    .section-head{
      display:flex;align-items:end;justify-content:space-between;gap:28px;
      margin-bottom:34px;
    }
    .section-kicker{color:var(--cyan);font-weight:800;font-size:14px;margin-bottom:8px}
    h2{font-size:clamp(28px,3vw,40px);line-height:1.22;letter-spacing:-.035em}
    .section-desc{color:var(--muted);max-width:620px;margin-top:12px;font-size:16px}
    .metrics{
      display:grid;
      grid-template-columns:repeat(5,1fr);
      gap:14px;
    }
    .metric{
      padding:22px 18px;
      min-height:152px;
      transition:var(--ease);
      position:relative;
      overflow:hidden;
    }
    .metric:after{
      content:"";position:absolute;inset:auto -30px -50px auto;width:110px;height:110px;border-radius:50%;background:rgba(34,211,238,.08);transition:var(--ease);
    }
    .metric:hover{transform:translateY(-4px);border-color:rgba(34,211,238,.35);box-shadow:var(--shadow-soft)}
    .metric:hover:after{transform:translate(-16px,-12px);background:rgba(139,92,246,.12)}
    .metric-num{font-size:30px;font-weight:850;color:#E0F2FE;letter-spacing:-.04em}
    .metric p{color:var(--weak);font-size:14px;margin-top:8px;line-height:1.65}
    .feature-layout{
      display:grid;
      grid-template-columns:310px 1fr;
      gap:22px;
      align-items:stretch;
    }
    .feature-menu{
      padding:14px;
      border-radius:26px;
      border:1px solid var(--line-strong);
      background:rgba(15,23,42,.44);
      display:flex;
      flex-direction:column;
      gap:10px;
    }
    .feature-btn{
      text-align:left;
      padding:16px;
      border-radius:18px;
      border:1px solid transparent;
      background:rgba(255,255,255,.035);
      color:var(--muted);
      transition:var(--ease);
    }
    .feature-btn strong{display:block;color:#fff;margin-bottom:3px;font-size:16px}
    .feature-btn span{font-size:13px;color:var(--weak)}
    .feature-btn:hover,.feature-btn.active{
      border-color:rgba(34,211,238,.33);
      background:linear-gradient(135deg,rgba(34,211,238,.12),rgba(139,92,246,.10));
      transform:translateX(3px);
    }
    .feature-panel{
      position:relative;
      border-radius:30px;
      padding:30px;
      border:1px solid var(--line-strong);
      background:linear-gradient(145deg,rgba(15,23,42,.68),rgba(30,41,59,.38));
      box-shadow:var(--shadow-soft);
      overflow:hidden;
    }
    .feature-panel:before{content:"";position:absolute;right:-80px;top:-70px;width:240px;height:240px;border-radius:50%;background:rgba(139,92,246,.15);filter:blur(6px)}
    .feature-content{position:relative;display:grid;grid-template-columns:1fr 260px;gap:24px;align-items:center}
    .feature-content h3{font-size:26px;line-height:1.25;margin-bottom:12px}
    .feature-content p{color:var(--muted);max-width:560px}
    .check-list{display:grid;gap:12px;margin-top:22px}
    .check-list li{list-style:none;display:flex;gap:10px;color:var(--muted)}
    .check-list li:before{content:"✓";width:22px;height:22px;border-radius:50%;display:inline-flex;align-items:center;justify-content:center;background:rgba(52,211,153,.12);color:var(--green);font-weight:900;flex:0 0 auto;margin-top:2px}
    .panel-visual{
      border-radius:24px;
      border:1px solid rgba(255,255,255,.12);
      background:rgba(2,6,23,.34);
      padding:16px;
    }
    .tag-cloud{display:flex;flex-wrap:wrap;gap:9px;margin-top:15px}
    .scenario-map{
      display:grid;
      grid-template-columns:repeat(3,1fr);
      gap:16px;
    }
    .scenario-card,.case-card,.price-card,.faq-item,.cta-box{
      border:1px solid var(--line-strong);
      background:rgba(15,23,42,.58);
      border-radius:var(--radius-lg);
      backdrop-filter:blur(18px);
      box-shadow:0 14px 50px rgba(0,0,0,.18);
      transition:var(--ease);
    }
    .scenario-card{padding:24px;min-height:192px;position:relative;overflow:hidden}
    .scenario-card:before{content:"";position:absolute;left:24px;top:24px;width:36px;height:36px;border-radius:13px;background:linear-gradient(135deg,rgba(34,211,238,.22),rgba(139,92,246,.18));border:1px solid rgba(34,211,238,.2)}
    .scenario-card h3{font-size:20px;margin-top:54px;margin-bottom:8px}
    .scenario-card p,.case-card p,.price-card p{color:var(--muted);font-size:15px}
    .scenario-card:hover,.case-card:hover,.price-card:hover{transform:translateY(-4px);border-color:rgba(34,211,238,.34);box-shadow:var(--shadow-soft)}
    .cases-track{
      display:grid;
      grid-template-columns:repeat(3,1fr);
      gap:16px;
    }
    .case-card{padding:24px;overflow:hidden;position:relative}
    .case-num{font-size:42px;font-weight:850;color:#A5F3FC;letter-spacing:-.06em;margin:18px 0 4px;text-shadow:0 0 24px rgba(34,211,238,.22)}
    .case-meta{display:flex;gap:8px;flex-wrap:wrap;margin-top:18px}
    .pricing-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}
    .price-card{padding:26px;position:relative}
    .price-card.recommend{
      border-color:rgba(34,211,238,.42);
      background:linear-gradient(145deg,rgba(34,211,238,.12),rgba(15,23,42,.66) 42%,rgba(139,92,246,.10));
      box-shadow:0 24px 70px rgba(34,211,238,.10);
    }
    .recommend-label{
      position:absolute;right:20px;top:18px;
      color:#06121e;
      background:linear-gradient(135deg,var(--cyan),#C4B5FD);
      padding:5px 10px;
      border-radius:999px;
      font-size:12px;
      font-weight:850;
    }
    .price-card h3{font-size:22px;margin-bottom:6px}
    .price-value{margin:20px 0;font-size:34px;font-weight:850;letter-spacing:-.04em}
    .price-value small{font-size:14px;color:var(--weak);font-weight:600}
    .price-card ul{display:grid;gap:11px;margin:20px 0 24px}
    .price-card li{list-style:none;color:var(--muted);display:flex;gap:9px;font-size:15px}
    .price-card li:before{content:"";width:8px;height:8px;margin-top:10px;border-radius:50%;background:var(--cyan);box-shadow:0 0 12px rgba(34,211,238,.5);flex:0 0 auto}
    .category-strip{
      display:grid;
      grid-template-columns:1fr 1.2fr;
      gap:22px;
      align-items:center;
      border:1px solid var(--line-strong);
      border-radius:30px;
      background:linear-gradient(135deg,rgba(15,23,42,.66),rgba(34,211,238,.07),rgba(139,92,246,.08));
      padding:28px;
      box-shadow:var(--shadow-soft);
    }
    .category-preview{
      min-height:240px;
      border-radius:24px;
      border:1px solid rgba(255,255,255,.12);
      background:
        radial-gradient(circle at 18% 25%,rgba(34,211,238,.24),transparent 34%),
        radial-gradient(circle at 82% 72%,rgba(139,92,246,.22),transparent 34%),
        linear-gradient(135deg,rgba(2,6,23,.42),rgba(30,41,59,.36));
      padding:18px;
      display:grid;
      align-content:end;
      position:relative;
      overflow:hidden;
    }
    .category-preview:before{content:"";position:absolute;inset:0;background-image:linear-gradient(135deg,rgba(255,255,255,.08) 1px,transparent 1px);background-size:22px 22px;opacity:.35}
    .category-preview strong{position:relative;font-size:18px}
    .category-preview span{position:relative;color:var(--weak);font-size:13px}
    .faq-list{display:grid;gap:12px;max-width:920px;margin:0 auto}
    .faq-item{overflow:hidden}
    .faq-question{
      width:100%;
      padding:20px 22px;
      display:flex;align-items:center;justify-content:space-between;gap:18px;
      color:#fff;font-weight:800;text-align:left;
    }
    .faq-icon{width:26px;height:26px;border-radius:50%;display:inline-flex;align-items:center;justify-content:center;background:rgba(34,211,238,.10);color:var(--cyan);transition:var(--ease);flex:0 0 auto}
    .faq-answer{max-height:0;overflow:hidden;transition:max-height .28s ease}
    .faq-answer p{padding:0 22px 20px;color:var(--muted)}
    .faq-item.active{border-color:rgba(34,211,238,.38);background:rgba(34,211,238,.055)}
    .faq-item.active .faq-icon{transform:rotate(45deg);background:rgba(34,211,238,.2)}
    .cta-section{padding:88px 0 108px}
    .cta-box{
      position:relative;
      overflow:hidden;
      padding:44px;
      border-radius:34px;
      background:
        radial-gradient(circle at 18% 20%,rgba(34,211,238,.18),transparent 34%),
        radial-gradient(circle at 88% 70%,rgba(139,92,246,.22),transparent 38%),
        linear-gradient(145deg,rgba(15,23,42,.78),rgba(8,17,31,.66));
      display:grid;
      grid-template-columns:1.25fr auto;
      gap:28px;
      align-items:center;
    }
    .cta-box h2{max-width:760px}
    .cta-box p{color:var(--muted);margin-top:12px;max-width:720px}
    .cta-actions{display:flex;gap:12px;flex-wrap:wrap;justify-content:flex-end}
    .site-footer{
      border-top:1px solid var(--line);
      background:rgba(2,6,23,.48);
      position:relative;
    }
    .site-footer:before{content:"";position:absolute;top:0;left:0;right:0;height:1px;background:linear-gradient(90deg,transparent,rgba(34,211,238,.55),transparent)}
    .footer-grid{
      padding:48px 0 34px;
      display:grid;
      grid-template-columns:1.4fr .75fr .75fr 1fr;
      gap:30px;
    }
    .footer-brand p{color:var(--muted);margin-top:14px;max-width:420px}
    .footer-title{font-weight:850;margin-bottom:14px;color:#fff}
    .footer-links{display:grid;gap:9px}
    .footer-links a,.footer-links span{color:var(--weak);font-size:14px;transition:var(--ease)}
    .footer-links a:hover{color:#fff;transform:translateX(3px)}
    .footer-bottom{
      border-top:1px solid rgba(148,163,184,.12);
      padding:18px 0 24px;
      display:flex;align-items:center;justify-content:space-between;gap:16px;
      color:var(--weak);
      font-size:13px;
    }
    .divider-line{height:1px;background:linear-gradient(90deg,transparent,rgba(148,163,184,.22),transparent);margin:6px 0}
    @media (max-width:1100px){
      .topbar{grid-template-columns:auto 1fr auto}
      .age-badge{display:none}
      .hero-grid{grid-template-columns:1fr;gap:32px}
      .console{max-width:820px;margin:auto}
      .metrics{grid-template-columns:repeat(3,1fr)}
      .feature-content{grid-template-columns:1fr}
      .panel-visual{max-width:420px}
      .footer-grid{grid-template-columns:1fr 1fr}
    }
    @media (max-width:900px){
      .topbar{grid-template-columns:auto auto;justify-content:space-between}
      .search-wrap{grid-column:1/-1;max-width:none;display:none}
      .site-header.search-open .search-wrap{display:block}
      .menu-toggle{display:inline-block}
      .nav-actions .btn-primary{display:none}
      .hero{padding:54px 0 76px}
      .section{padding:70px 0}
      .section-head{display:block}
      .metrics,.scenario-map,.cases-track,.pricing-grid{grid-template-columns:1fr 1fr}
      .feature-layout{grid-template-columns:1fr}
      .feature-menu{display:grid;grid-template-columns:1fr 1fr}
      .category-strip{grid-template-columns:1fr}
      .cta-box{grid-template-columns:1fr;padding:32px}
      .cta-actions{justify-content:flex-start}
    }
    @media (max-width:680px){
      .container{width:min(100% - 28px,var(--container))}
      .topbar{min-height:66px;gap:12px}
      .logo-mark{width:38px;height:38px;border-radius:13px}
      .logo-text{font-size:15px;max-width:210px;white-space:normal}
      .console{padding:16px;border-radius:24px}
      .console-body{grid-template-columns:1fr}
      .side-panel{display:grid;grid-template-columns:1fr 1fr}
      .resource-grid{grid-template-columns:1fr}
      .metrics,.scenario-map,.cases-track,.pricing-grid{grid-template-columns:1fr}
      .feature-menu{grid-template-columns:1fr}
      .feature-panel{padding:22px;border-radius:24px}
      .hero-actions .btn,.cta-actions .btn{width:100%}
      .section{padding:58px 0}
      .hero{padding:42px 0 62px}
      .footer-grid{grid-template-columns:1fr}
      .footer-bottom{flex-direction:column;align-items:flex-start}
    }
    @media (max-width:480px){
      h1{font-size:34px}
      h2{font-size:28px}
      .nav-actions{gap:8px}
      .menu-toggle{width:42px;height:42px}
      .tabs-row{padding:10px 0 12px}
      .tab-link{padding:8px 12px;font-size:13px}
      .metric,.scenario-card,.case-card,.price-card{padding:20px}
      .cta-box{padding:24px;border-radius:26px}
      .category-strip{padding:20px;border-radius:24px}
    }

/* roulang page: category1 */
:root {
      --bg-0: #060A14;
      --bg-1: #08111F;
      --bg-2: #0B1020;
      --panel: rgba(15, 23, 42, 0.66);
      --panel-2: rgba(30, 41, 59, 0.48);
      --panel-3: rgba(8, 17, 31, 0.78);
      --text: #F8FAFC;
      --muted: #CBD5E1;
      --soft: #94A3B8;
      --line: rgba(148, 163, 184, 0.18);
      --line-strong: rgba(255, 255, 255, 0.12);
      --cyan: #22D3EE;
      --blue: #38BDF8;
      --purple: #8B5CF6;
      --purple-soft: #A78BFA;
      --amber: #FBBF24;
      --green: #34D399;
      --danger-soft: #FB7185;
      --radius-xl: 28px;
      --radius-lg: 22px;
      --radius-md: 16px;
      --radius-pill: 999px;
      --shadow: 0 24px 80px rgba(0, 0, 0, 0.35);
      --shadow-soft: 0 16px 44px rgba(0, 0, 0, 0.26);
      --glow: 0 0 0 1px rgba(34, 211, 238, 0.18), 0 0 34px rgba(34, 211, 238, 0.18);
      --container: 1200px;
      --ease: 180ms ease;
      --font: system-ui, -apple-system, BlinkMacSystemFont, "PingFang SC", "Microsoft YaHei", "Noto Sans SC", sans-serif;
    }

    * {
      box-sizing: border-box;
      margin: 0;
      padding: 0;
    }

    html {
      scroll-behavior: smooth;
    }

    body {
      min-height: 100vh;
      font-family: var(--font);
      color: var(--text);
      line-height: 1.75;
      background:
        radial-gradient(circle at 12% 8%, rgba(34, 211, 238, 0.16), transparent 34%),
        radial-gradient(circle at 84% 16%, rgba(139, 92, 246, 0.18), transparent 30%),
        radial-gradient(circle at 50% 92%, rgba(56, 189, 248, 0.11), transparent 32%),
        linear-gradient(135deg, var(--bg-0) 0%, var(--bg-1) 46%, var(--bg-2) 100%);
      overflow-x: hidden;
    }

    body::before {
      content: "";
      position: fixed;
      inset: 0;
      pointer-events: none;
      background-image:
        linear-gradient(rgba(255,255,255,0.025) 1px, transparent 1px),
        linear-gradient(90deg, rgba(255,255,255,0.025) 1px, transparent 1px);
      background-size: 42px 42px;
      mask-image: linear-gradient(to bottom, rgba(0,0,0,0.7), transparent 82%);
      z-index: -2;
    }

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

    button,
    input,
    select {
      font: inherit;
    }

    button {
      border: 0;
      cursor: pointer;
    }

    input,
    select {
      border: 0;
      outline: none;
      color: var(--text);
    }

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

    .container {
      width: min(var(--container), calc(100% - 40px));
      margin: 0 auto;
    }

    .site-header {
      position: sticky;
      top: 0;
      z-index: 50;
      background: rgba(6, 10, 20, 0.78);
      border-bottom: 1px solid var(--line);
      backdrop-filter: blur(20px);
      box-shadow: 0 16px 48px rgba(0,0,0,0.22);
    }

    .topbar {
      min-height: 74px;
      display: flex;
      align-items: center;
      gap: 22px;
      justify-content: space-between;
      padding: 13px 0;
    }

    .logo {
      display: inline-flex;
      align-items: center;
      gap: 12px;
      min-width: 0;
      font-weight: 800;
      letter-spacing: -0.02em;
    }

    .logo-mark {
      width: 38px;
      height: 38px;
      flex: 0 0 auto;
      border-radius: 14px;
      position: relative;
      background:
        linear-gradient(135deg, rgba(34,211,238,0.94), rgba(139,92,246,0.86)),
        linear-gradient(45deg, transparent 35%, rgba(255,255,255,0.3));
      box-shadow: 0 0 28px rgba(34, 211, 238, 0.26);
      overflow: hidden;
    }

    .logo-mark::before,
    .logo-mark::after {
      content: "";
      position: absolute;
      border: 1px solid rgba(255,255,255,0.42);
      border-radius: 9px;
      inset: 8px;
      transform: rotate(12deg);
    }

    .logo-mark::after {
      inset: 14px 7px 7px 14px;
      background: rgba(6, 10, 20, 0.28);
    }

    .logo-text {
      font-size: 18px;
      line-height: 1.25;
      white-space: nowrap;
      overflow: hidden;
      text-overflow: ellipsis;
      max-width: 340px;
    }

    .header-actions {
      display: flex;
      align-items: center;
      gap: 12px;
      flex: 1;
      justify-content: flex-end;
      min-width: 0;
    }

    .search-box {
      width: min(420px, 100%);
      display: flex;
      align-items: center;
      gap: 10px;
      padding: 11px 14px;
      border-radius: var(--radius-pill);
      background: rgba(15, 23, 42, 0.62);
      border: 1px solid var(--line);
      color: var(--soft);
      transition: border-color var(--ease), box-shadow var(--ease), background var(--ease);
    }

    .search-box:focus-within {
      border-color: rgba(34,211,238,0.68);
      box-shadow: var(--glow);
      background: rgba(15, 23, 42, 0.82);
    }

    .search-box svg {
      width: 18px;
      height: 18px;
      color: var(--cyan);
      flex: 0 0 auto;
    }

    .search-box input {
      width: 100%;
      background: transparent;
      font-size: 14px;
    }

    .search-box input::placeholder {
      color: rgba(203, 213, 225, 0.62);
    }

    .compliance-badge,
    .badge {
      display: inline-flex;
      align-items: center;
      gap: 7px;
      border-radius: var(--radius-pill);
      padding: 7px 11px;
      border: 1px solid rgba(251, 191, 36, 0.28);
      background: rgba(251, 191, 36, 0.08);
      color: #FDE68A;
      font-size: 13px;
      white-space: nowrap;
    }

    .btn {
      display: inline-flex;
      align-items: center;
      justify-content: center;
      gap: 9px;
      min-height: 44px;
      padding: 12px 18px;
      border-radius: var(--radius-pill);
      border: 1px solid transparent;
      color: var(--text);
      font-weight: 700;
      line-height: 1;
      white-space: nowrap;
      transition: transform var(--ease), box-shadow var(--ease), background var(--ease), border-color var(--ease), color var(--ease);
    }

    .btn-primary {
      background: linear-gradient(135deg, var(--cyan), var(--purple));
      box-shadow: 0 14px 42px rgba(34, 211, 238, 0.24);
    }

    .btn-primary:hover {
      transform: translateY(-2px);
      box-shadow: 0 18px 54px rgba(34, 211, 238, 0.34), 0 0 0 1px rgba(255,255,255,0.12) inset;
    }

    .btn-secondary {
      background: rgba(15, 23, 42, 0.66);
      border-color: var(--line-strong);
      color: var(--muted);
    }

    .btn-secondary:hover {
      color: var(--text);
      border-color: rgba(34,211,238,0.52);
      box-shadow: var(--glow);
      transform: translateY(-2px);
    }

    .menu-toggle {
      display: none;
      width: 44px;
      height: 44px;
      border-radius: 15px;
      background: rgba(15, 23, 42, 0.68);
      border: 1px solid var(--line);
      color: var(--text);
      align-items: center;
      justify-content: center;
    }

    .menu-toggle span,
    .menu-toggle span::before,
    .menu-toggle span::after {
      display: block;
      width: 18px;
      height: 2px;
      background: var(--text);
      border-radius: 99px;
      position: relative;
      transition: transform var(--ease), opacity var(--ease);
    }

    .menu-toggle span::before,
    .menu-toggle span::after {
      content: "";
      position: absolute;
      left: 0;
    }

    .menu-toggle span::before {
      top: -6px;
    }

    .menu-toggle span::after {
      top: 6px;
    }

    .site-header.menu-open .menu-toggle span {
      background: transparent;
    }

    .site-header.menu-open .menu-toggle span::before {
      transform: translateY(6px) rotate(45deg);
    }

    .site-header.menu-open .menu-toggle span::after {
      transform: translateY(-6px) rotate(-45deg);
    }

    .tabs-row {
      border-top: 1px solid rgba(148, 163, 184, 0.10);
      padding: 10px 0 12px;
      overflow-x: auto;
      scrollbar-width: none;
    }

    .tabs-row::-webkit-scrollbar {
      display: none;
    }

    .tabs {
      width: min(var(--container), calc(100% - 40px));
      margin: 0 auto;
      display: flex;
      align-items: center;
      gap: 10px;
      min-width: max-content;
    }

    .tab-link {
      display: inline-flex;
      align-items: center;
      justify-content: center;
      padding: 9px 16px;
      border-radius: var(--radius-pill);
      border: 1px solid var(--line);
      background: rgba(15, 23, 42, 0.38);
      color: var(--muted);
      font-size: 14px;
      font-weight: 700;
    }

    .tab-link:hover {
      color: var(--text);
      border-color: rgba(34,211,238,0.42);
      background: rgba(34,211,238,0.08);
    }

    .tab-link.active {
      color: #E0F2FE;
      border-color: rgba(34,211,238,0.68);
      background: linear-gradient(135deg, rgba(34,211,238,0.18), rgba(139,92,246,0.20));
      box-shadow: 0 0 24px rgba(34,211,238,0.13);
    }

    main {
      position: relative;
      z-index: 1;
    }

    .section {
      padding: 92px 0;
    }

    .section-tight {
      padding: 66px 0;
    }

    .section-head {
      max-width: 760px;
      margin-bottom: 34px;
    }

    .eyebrow {
      display: inline-flex;
      align-items: center;
      gap: 8px;
      padding: 7px 12px;
      border-radius: var(--radius-pill);
      color: #CFFAFE;
      background: rgba(34, 211, 238, 0.08);
      border: 1px solid rgba(34, 211, 238, 0.18);
      font-size: 13px;
      font-weight: 700;
      margin-bottom: 16px;
    }

    .eyebrow::before {
      content: "";
      width: 7px;
      height: 7px;
      border-radius: 50%;
      background: var(--green);
      box-shadow: 0 0 18px rgba(52, 211, 153, 0.6);
    }

    h1,
    h2,
    h3 {
      letter-spacing: -0.035em;
      line-height: 1.16;
    }

    h1 {
      font-size: clamp(34px, 5vw, 58px);
      max-width: 900px;
      margin-bottom: 18px;
      font-weight: 850;
    }

    h2 {
      font-size: clamp(28px, 3.2vw, 40px);
      margin-bottom: 14px;
      font-weight: 820;
    }

    h3 {
      font-size: 22px;
      margin-bottom: 10px;
      font-weight: 780;
    }

    p {
      color: var(--muted);
    }

    .lead {
      font-size: 17px;
      max-width: 760px;
      color: var(--muted);
      line-height: 1.85;
    }

    .category-hero {
      padding: 58px 0 38px;
    }

    .hero-panel {
      position: relative;
      overflow: hidden;
      border-radius: 34px;
      border: 1px solid var(--line-strong);
      background:
        linear-gradient(135deg, rgba(15,23,42,0.76), rgba(8,17,31,0.52)),
        radial-gradient(circle at 82% 12%, rgba(34,211,238,0.18), transparent 32%),
        radial-gradient(circle at 70% 86%, rgba(139,92,246,0.18), transparent 34%);
      box-shadow: var(--shadow);
      backdrop-filter: blur(18px);
      padding: 34px;
    }

    .hero-panel::after {
      content: "";
      position: absolute;
      inset: auto -10% -45% 48%;
      height: 280px;
      background: radial-gradient(circle, rgba(34,211,238,0.20), transparent 60%);
      pointer-events: none;
    }

    .breadcrumbs {
      display: flex;
      align-items: center;
      flex-wrap: wrap;
      gap: 9px;
      font-size: 13px;
      color: var(--soft);
      margin-bottom: 20px;
    }

    .breadcrumbs a:hover {
      color: var(--cyan);
    }

    .breadcrumbs span:not(:last-child)::after {
      content: "/";
      margin-left: 9px;
      color: rgba(148,163,184,0.45);
    }

    .hero-content-row {
      display: grid;
      grid-template-columns: minmax(0, 1.1fr) 360px;
      gap: 28px;
      align-items: stretch;
      position: relative;
      z-index: 1;
    }

    .hero-tags {
      display: flex;
      flex-wrap: wrap;
      gap: 10px;
      margin-top: 24px;
    }

    .tag {
      display: inline-flex;
      align-items: center;
      gap: 7px;
      padding: 8px 12px;
      border-radius: var(--radius-pill);
      border: 1px solid var(--line);
      background: rgba(15,23,42,0.44);
      color: var(--muted);
      font-size: 13px;
      font-weight: 650;
    }

    .tag.cyan {
      color: #CFFAFE;
      border-color: rgba(34,211,238,0.22);
      background: rgba(34,211,238,0.08);
    }

    .tag.purple {
      color: #EDE9FE;
      border-color: rgba(139,92,246,0.26);
      background: rgba(139,92,246,0.09);
    }

    .tag.green {
      color: #D1FAE5;
      border-color: rgba(52,211,153,0.26);
      background: rgba(52,211,153,0.08);
    }

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

    .status-console {
      border-radius: 26px;
      border: 1px solid var(--line);
      background: rgba(6,10,20,0.42);
      padding: 18px;
      min-height: 100%;
      box-shadow: inset 0 1px 0 rgba(255,255,255,0.05);
    }

    .console-top {
      display: flex;
      justify-content: space-between;
      align-items: center;
      margin-bottom: 16px;
      color: var(--soft);
      font-size: 13px;
    }

    .dot-row {
      display: flex;
      gap: 6px;
    }

    .dot-row i {
      width: 9px;
      height: 9px;
      border-radius: 50%;
      background: var(--line);
    }

    .dot-row i:nth-child(1) { background: var(--danger-soft); }
    .dot-row i:nth-child(2) { background: var(--amber); }
    .dot-row i:nth-child(3) { background: var(--green); }

    .console-search {
      padding: 12px 14px;
      border-radius: 16px;
      background: rgba(15,23,42,0.70);
      border: 1px solid rgba(34,211,238,0.16);
      color: var(--muted);
      font-size: 13px;
      margin-bottom: 16px;
    }

    .mini-metrics {
      display: grid;
      grid-template-columns: repeat(2, 1fr);
      gap: 10px;
      margin-bottom: 16px;
    }

    .mini-metric {
      padding: 13px;
      border-radius: 18px;
      border: 1px solid var(--line);
      background: rgba(15,23,42,0.52);
    }

    .mini-metric strong {
      display: block;
      color: var(--text);
      font-size: 22px;
      line-height: 1;
      margin-bottom: 6px;
    }

    .mini-metric span {
      color: var(--soft);
      font-size: 12px;
    }

    .switch-row {
      display: flex;
      align-items: center;
      justify-content: space-between;
      padding: 13px;
      border-radius: 18px;
      border: 1px solid rgba(52,211,153,0.2);
      background: rgba(52,211,153,0.06);
      color: #D1FAE5;
      font-size: 13px;
    }

    .switch {
      width: 42px;
      height: 23px;
      border-radius: 999px;
      background: rgba(52,211,153,0.26);
      position: relative;
      box-shadow: inset 0 0 0 1px rgba(52,211,153,0.24);
    }

    .switch::after {
      content: "";
      width: 17px;
      height: 17px;
      border-radius: 50%;
      background: var(--green);
      position: absolute;
      right: 3px;
      top: 3px;
      box-shadow: 0 0 16px rgba(52,211,153,0.52);
    }

    .filter-shell {
      border-radius: 30px;
      border: 1px solid var(--line-strong);
      background: rgba(15,23,42,0.50);
      backdrop-filter: blur(18px);
      box-shadow: var(--shadow-soft);
      padding: 20px;
    }

    .filter-toolbar {
      display: grid;
      grid-template-columns: 1fr auto auto;
      gap: 14px;
      align-items: center;
      margin-bottom: 16px;
    }

    .filter-search {
      display: flex;
      align-items: center;
      gap: 10px;
      border-radius: 18px;
      border: 1px solid var(--line);
      background: rgba(6,10,20,0.44);
      padding: 12px 14px;
      transition: border-color var(--ease), box-shadow var(--ease);
    }

    .filter-search:focus-within {
      border-color: rgba(34,211,238,0.58);
      box-shadow: var(--glow);
    }

    .filter-search svg {
      width: 18px;
      color: var(--cyan);
    }

    .filter-search input {
      width: 100%;
      background: transparent;
      font-size: 14px;
    }

    .select-wrap select {
      appearance: none;
      min-width: 150px;
      padding: 12px 38px 12px 14px;
      border-radius: 18px;
      border: 1px solid var(--line);
      background:
        linear-gradient(45deg, transparent 50%, var(--soft) 50%) calc(100% - 18px) 52% / 6px 6px no-repeat,
        linear-gradient(135deg, rgba(15,23,42,0.82), rgba(8,17,31,0.72));
      color: var(--muted);
    }

    .filter-pills {
      display: flex;
      gap: 10px;
      overflow-x: auto;
      padding-bottom: 4px;
      scrollbar-width: thin;
    }

    .filter-btn {
      flex: 0 0 auto;
      padding: 9px 14px;
      border-radius: var(--radius-pill);
      border: 1px solid var(--line);
      background: rgba(15,23,42,0.48);
      color: var(--muted);
      font-size: 13px;
      font-weight: 700;
      transition: background var(--ease), border-color var(--ease), color var(--ease), transform var(--ease);
    }

    .filter-btn:hover,
    .filter-btn.active {
      color: var(--text);
      border-color: rgba(34,211,238,0.58);
      background: linear-gradient(135deg, rgba(34,211,238,0.14), rgba(139,92,246,0.13));
      transform: translateY(-1px);
    }

    .index-layout {
      display: grid;
      grid-template-columns: 260px minmax(0, 1fr);
      gap: 24px;
      align-items: start;
    }

    .sidebar {
      position: sticky;
      top: 150px;
      border-radius: 26px;
      border: 1px solid var(--line-strong);
      background: rgba(15,23,42,0.52);
      backdrop-filter: blur(18px);
      padding: 20px;
      box-shadow: var(--shadow-soft);
    }

    .sidebar-title {
      font-weight: 780;
      margin-bottom: 14px;
      color: var(--text);
    }

    .side-group + .side-group {
      margin-top: 22px;
      padding-top: 18px;
      border-top: 1px solid var(--line);
    }

    .side-list {
      display: grid;
      gap: 9px;
    }

    .side-item {
      display: flex;
      justify-content: space-between;
      align-items: center;
      gap: 10px;
      padding: 10px 12px;
      border-radius: 15px;
      color: var(--muted);
      border: 1px solid transparent;
      background: rgba(6,10,20,0.22);
      font-size: 14px;
    }

    .side-item:hover,
    .side-item.active {
      color: var(--text);
      border-color: rgba(34,211,238,0.28);
      background: rgba(34,211,238,0.07);
    }

    .side-item em {
      font-style: normal;
      color: var(--soft);
      font-size: 12px;
    }

    .safety-note {
      margin-top: 18px;
      padding: 14px;
      border-radius: 18px;
      border: 1px solid rgba(251,191,36,0.20);
      background: rgba(251,191,36,0.07);
      color: #FDE68A;
      font-size: 13px;
      line-height: 1.65;
    }

    .content-flow {
      display: grid;
      gap: 18px;
    }

    .featured-card,
    .resource-card,
    .info-card,
    .faq-item,
    .cta-box {
      border: 1px solid var(--line-strong);
      background: var(--panel);
      backdrop-filter: blur(18px);
      box-shadow: var(--shadow-soft);
      transition: transform var(--ease), border-color var(--ease), box-shadow var(--ease), background var(--ease);
      overflow: hidden;
    }

    .featured-card:hover,
    .resource-card:hover,
    .info-card:hover {
      transform: translateY(-4px);
      border-color: rgba(34,211,238,0.38);
      box-shadow: 0 28px 78px rgba(0,0,0,0.38), 0 0 32px rgba(34,211,238,0.08);
    }

    .featured-card {
      display: grid;
      grid-template-columns: 310px minmax(0, 1fr);
      gap: 0;
      border-radius: 30px;
    }

    .abstract-cover {
      position: relative;
      min-height: 250px;
      background:
        radial-gradient(circle at 28% 26%, rgba(34,211,238,0.52), transparent 28%),
        radial-gradient(circle at 72% 72%, rgba(139,92,246,0.52), transparent 34%),
        linear-gradient(135deg, rgba(15,23,42,1), rgba(6,10,20,0.96));
      overflow: hidden;
    }

    .abstract-cover::before {
      content: "";
      position: absolute;
      inset: 18px;
      border-radius: 22px;
      border: 1px solid rgba(255,255,255,0.12);
      background-image:
        linear-gradient(rgba(255,255,255,0.07) 1px, transparent 1px),
        linear-gradient(90deg, rgba(255,255,255,0.07) 1px, transparent 1px);
      background-size: 22px 22px;
      opacity: 0.55;
    }

    .cover-code {
      position: absolute;
      left: 22px;
      bottom: 22px;
      right: 22px;
      display: flex;
      justify-content: space-between;
      align-items: end;
    }

    .cover-code strong {
      font-size: 44px;
      line-height: 1;
      color: rgba(248,250,252,0.92);
      text-shadow: 0 0 28px rgba(34,211,238,0.36);
    }

    .cover-code span {
      color: var(--muted);
      font-size: 12px;
      padding: 6px 9px;
      border-radius: 999px;
      border: 1px solid rgba(255,255,255,0.14);
      background: rgba(6,10,20,0.34);
    }

    .featured-body {
      padding: 28px;
      display: flex;
      flex-direction: column;
      justify-content: space-between;
      gap: 22px;
    }

    .meta-row {
      display: flex;
      flex-wrap: wrap;
      gap: 9px;
      align-items: center;
      color: var(--soft);
      font-size: 13px;
      margin-bottom: 12px;
    }

    .status {
      display: inline-flex;
      align-items: center;
      gap: 7px;
      color: #D1FAE5;
      border: 1px solid rgba(52,211,153,0.24);
      background: rgba(52,211,153,0.08);
      border-radius: var(--radius-pill);
      padding: 6px 10px;
      font-size: 12px;
      font-weight: 700;
    }

    .status::before {
      content: "";
      width: 7px;
      height: 7px;
      border-radius: 50%;
      background: var(--green);
      box-shadow: 0 0 12px rgba(52,211,153,0.72);
    }

    .card-tags {
      display: flex;
      flex-wrap: wrap;
      gap: 8px;
      margin-top: 16px;
    }

    .resource-grid {
      display: grid;
      grid-template-columns: repeat(2, minmax(0, 1fr));
      gap: 18px;
    }

    .resource-card {
      border-radius: 26px;
      padding: 18px;
      display: grid;
      grid-template-columns: 96px minmax(0, 1fr);
      gap: 16px;
      align-items: stretch;
    }

    .thumb {
      min-height: 116px;
      border-radius: 20px;
      position: relative;
      overflow: hidden;
      border: 1px solid rgba(255,255,255,0.10);
      background:
        linear-gradient(135deg, rgba(34,211,238,0.28), rgba(139,92,246,0.28)),
        linear-gradient(180deg, rgba(15,23,42,1), rgba(8,17,31,1));
    }

    .thumb::before {
      content: "";
      position: absolute;
      inset: 10px;
      border-radius: 16px;
      background:
        linear-gradient(90deg, rgba(255,255,255,0.10) 1px, transparent 1px),
        linear-gradient(rgba(255,255,255,0.10) 1px, transparent 1px);
      background-size: 14px 14px;
      opacity: 0.45;
    }

    .thumb::after {
      content: attr(data-no);
      position: absolute;
      left: 12px;
      bottom: 10px;
      font-weight: 850;
      font-size: 24px;
      color: rgba(248,250,252,0.88);
    }

    .resource-body {
      min-width: 0;
      display: flex;
      flex-direction: column;
      gap: 9px;
    }

    .resource-body h3 {
      font-size: 19px;
      margin-bottom: 0;
    }

    .resource-body p {
      font-size: 14px;
      line-height: 1.65;
      display: -webkit-box;
      -webkit-line-clamp: 2;
      -webkit-box-orient: vertical;
      overflow: hidden;
    }

    .card-bottom {
      display: flex;
      justify-content: space-between;
      align-items: center;
      gap: 12px;
      margin-top: auto;
      color: var(--soft);
      font-size: 12px;
    }

    .mini-link {
      display: inline-flex;
      align-items: center;
      justify-content: center;
      padding: 8px 11px;
      border-radius: 12px;
      color: #CFFAFE;
      border: 1px solid rgba(34,211,238,0.26);
      background: rgba(34,211,238,0.08);
      font-weight: 750;
      white-space: nowrap;
    }

    .mini-link:hover {
      border-color: rgba(34,211,238,0.58);
      box-shadow: var(--glow);
    }

    .info-grid {
      display: grid;
      grid-template-columns: repeat(3, minmax(0, 1fr));
      gap: 18px;
    }

    .info-card {
      border-radius: 26px;
      padding: 24px;
      position: relative;
    }

    .info-card::before {
      content: "";
      position: absolute;
      top: 18px;
      right: 18px;
      width: 42px;
      height: 42px;
      border-radius: 16px;
      background: linear-gradient(135deg, rgba(34,211,238,0.20), rgba(139,92,246,0.18));
      border: 1px solid rgba(255,255,255,0.10);
    }

    .info-card strong {
      display: inline-flex;
      color: var(--cyan);
      margin-bottom: 12px;
      font-size: 13px;
    }

    .info-card h3 {
      font-size: 20px;
    }

    .info-card p {
      font-size: 15px;
    }

    .timeline {
      border-radius: 30px;
      border: 1px solid var(--line-strong);
      background: rgba(15,23,42,0.46);
      padding: 26px;
      display: grid;
      gap: 16px;
      backdrop-filter: blur(18px);
    }

    .timeline-item {
      display: grid;
      grid-template-columns: 118px minmax(0, 1fr) auto;
      gap: 18px;
      align-items: center;
      padding: 16px;
      border-radius: 22px;
      border: 1px solid var(--line);
      background: rgba(6,10,20,0.28);
    }

    .timeline-item time {
      color: var(--cyan);
      font-weight: 800;
      font-size: 14px;
    }

    .timeline-item h3 {
      font-size: 18px;
      margin-bottom: 3px;
    }

    .timeline-item p {
      font-size: 14px;
      line-height: 1.6;
    }

    .faq-wrap {
      display: grid;
      gap: 12px;
      max-width: 920px;
    }

    .faq-item {
      border-radius: 22px;
      background: rgba(15,23,42,0.54);
    }

    .faq-question {
      width: 100%;
      display: flex;
      justify-content: space-between;
      gap: 20px;
      align-items: center;
      text-align: left;
      padding: 20px 22px;
      color: var(--text);
      background: transparent;
      font-weight: 780;
      font-size: 16px;
    }

    .faq-question::after {
      content: "+";
      flex: 0 0 auto;
      width: 28px;
      height: 28px;
      border-radius: 50%;
      display: inline-flex;
      align-items: center;
      justify-content: center;
      border: 1px solid var(--line);
      color: var(--cyan);
      transition: transform var(--ease), background var(--ease);
    }

    .faq-answer {
      max-height: 0;
      overflow: hidden;
      transition: max-height 220ms ease;
    }

    .faq-answer p {
      padding: 0 22px 20px;
      max-width: 780px;
      font-size: 15px;
    }

    .faq-item.open {
      border-color: rgba(34,211,238,0.46);
      background: rgba(34,211,238,0.06);
      box-shadow: var(--glow);
    }

    .faq-item.open .faq-question::after {
      content: "−";
      background: rgba(34,211,238,0.12);
      transform: rotate(180deg);
    }

    .cta-box {
      border-radius: 32px;
      padding: 34px;
      display: grid;
      grid-template-columns: minmax(0, 1fr) auto;
      gap: 24px;
      align-items: center;
      background:
        radial-gradient(circle at 12% 20%, rgba(34,211,238,0.18), transparent 32%),
        radial-gradient(circle at 88% 70%, rgba(139,92,246,0.18), transparent 36%),
        rgba(15,23,42,0.62);
    }

    .cta-box h2 {
      margin-bottom: 8px;
    }

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

    .site-footer {
      margin-top: 70px;
      padding: 58px 0 28px;
      background:
        linear-gradient(180deg, rgba(6,10,20,0.10), rgba(6,10,20,0.78)),
        rgba(6,10,20,0.62);
      border-top: 1px solid rgba(34,211,238,0.18);
      position: relative;
    }

    .site-footer::before {
      content: "";
      position: absolute;
      left: 0;
      right: 0;
      top: -1px;
      height: 1px;
      background: linear-gradient(90deg, transparent, rgba(34,211,238,0.72), rgba(139,92,246,0.52), transparent);
    }

    .footer-grid {
      display: grid;
      grid-template-columns: 1.5fr 0.8fr 0.9fr 1.1fr;
      gap: 30px;
      align-items: start;
    }

    .footer-brand p {
      margin-top: 14px;
      max-width: 440px;
      font-size: 14px;
      color: var(--soft);
    }

    .footer-title {
      color: var(--text);
      font-weight: 800;
      margin-bottom: 14px;
    }

    .footer-links {
      display: grid;
      gap: 9px;
      color: var(--soft);
      font-size: 14px;
    }

    .footer-links a:hover {
      color: var(--cyan);
    }

    .footer-bottom {
      margin-top: 36px;
      padding-top: 22px;
      border-top: 1px solid var(--line);
      display: flex;
      justify-content: space-between;
      gap: 18px;
      flex-wrap: wrap;
      color: rgba(203,213,225,0.70);
      font-size: 13px;
    }

    :focus-visible {
      outline: 3px solid rgba(34,211,238,0.44);
      outline-offset: 3px;
    }

    @media (max-width: 1100px) {
      .hero-content-row {
        grid-template-columns: 1fr;
      }

      .status-console {
        max-width: 620px;
      }

      .index-layout {
        grid-template-columns: 220px minmax(0, 1fr);
      }

      .featured-card {
        grid-template-columns: 260px minmax(0, 1fr);
      }

      .resource-grid,
      .info-grid {
        grid-template-columns: 1fr;
      }

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

    @media (max-width: 900px) {
      .topbar {
        flex-wrap: wrap;
      }

      .header-actions {
        order: 3;
        width: 100%;
        display: none;
        grid-template-columns: 1fr;
        justify-content: stretch;
      }

      .site-header.menu-open .header-actions {
        display: grid;
      }

      .search-box {
        width: 100%;
      }

      .menu-toggle {
        display: inline-flex;
      }

      .index-layout {
        grid-template-columns: 1fr;
      }

      .sidebar {
        position: static;
      }

      .side-list {
        grid-template-columns: repeat(2, minmax(0, 1fr));
      }

      .featured-card {
        grid-template-columns: 1fr;
      }

      .abstract-cover {
        min-height: 210px;
      }

      .filter-toolbar {
        grid-template-columns: 1fr;
      }

      .select-wrap select,
      .compliance-badge {
        width: 100%;
      }

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

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

    @media (max-width: 640px) {
      .container,
      .tabs {
        width: min(100% - 28px, var(--container));
      }

      .site-header {
        position: relative;
      }

      .logo-text {
        max-width: 220px;
        font-size: 16px;
      }

      .hero-panel {
        padding: 22px;
        border-radius: 26px;
      }

      .category-hero {
        padding-top: 34px;
      }

      .section,
      .section-tight {
        padding: 56px 0;
      }

      h1 {
        font-size: 34px;
      }

      h2 {
        font-size: 28px;
      }

      .hero-actions,
      .cta-actions {
        flex-direction: column;
      }

      .btn {
        width: 100%;
      }

      .mini-metrics {
        grid-template-columns: 1fr;
      }

      .filter-shell {
        padding: 15px;
        border-radius: 24px;
      }

      .side-list {
        display: flex;
        overflow-x: auto;
        padding-bottom: 4px;
      }

      .side-item {
        flex: 0 0 auto;
      }

      .resource-card {
        grid-template-columns: 1fr;
      }

      .thumb {
        min-height: 150px;
      }

      .timeline-item {
        grid-template-columns: 1fr;
        gap: 8px;
      }

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

      .footer-bottom {
        display: grid;
      }
    }

    @media (max-width: 420px) {
      .logo-mark {
        width: 34px;
        height: 34px;
        border-radius: 12px;
      }

      .logo-text {
        max-width: 178px;
      }

      .topbar {
        min-height: 66px;
      }

      .hero-panel,
      .cta-box {
        padding: 18px;
      }

      .featured-body,
      .info-card {
        padding: 20px;
      }

      .cover-code strong {
        font-size: 36px;
      }
    }