/* roulang page: index */
:root{
      --bg:#101012;
      --bg-soft:#17161A;
      --panel:#242128;
      --panel-2:#2B272E;
      --paper:#F4F0EA;
      --paper-2:#ECE4DA;
      --text:#F5F1EA;
      --muted:#B8B1AA;
      --dark-text:#231F20;
      --dark-muted:#6F6661;
      --primary:#8B5CF6;
      --primary-2:#7C4DFF;
      --amber:#FFB86B;
      --rose:#EFA6A6;
      --line:rgba(255,255,255,.10);
      --line-dark:rgba(35,31,32,.12);
      --radius:22px;
      --radius-lg:30px;
      --shadow:0 18px 54px rgba(0,0,0,.32);
      --shadow-soft:0 12px 34px rgba(40,30,20,.10);
      --container:1200px;
      --ease:180ms ease;
    }
    *{box-sizing:border-box}
    html{scroll-behavior:smooth}
    body{
      margin:0;
      font-family:"Noto Sans SC","PingFang SC","Microsoft YaHei",system-ui,-apple-system,BlinkMacSystemFont,"Segoe UI",sans-serif;
      background:
        radial-gradient(circle at 18% 8%,rgba(139,92,246,.22),transparent 32%),
        radial-gradient(circle at 90% 18%,rgba(239,166,166,.14),transparent 28%),
        linear-gradient(180deg,var(--bg),#161316 44%,#100f11 100%);
      color:var(--text);
      line-height:1.75;
      overflow-x:hidden;
    }
    a{color:inherit;text-decoration:none;transition:color var(--ease),background var(--ease),border-color var(--ease),transform var(--ease)}
    a:hover,a:focus{color:var(--amber)}
    img{max-width:100%;display:block}
    button,input,select,textarea{font:inherit}
    button,.button{cursor:pointer}
    :focus-visible{outline:3px solid rgba(255,184,107,.45);outline-offset:3px}
    .site-container{width:min(calc(100% - 32px),var(--container));margin:0 auto}
    .section{padding:88px 0}
    .section-tight{padding:62px 0}
    .eyebrow{
      display:inline-flex;
      align-items:center;
      gap:9px;
      padding:7px 12px;
      border:1px solid var(--line);
      border-radius:999px;
      color:var(--amber);
      background:rgba(255,255,255,.045);
      font-size:13px;
      font-weight:700;
      letter-spacing:.02em;
    }
    .dot{
      width:8px;height:8px;border-radius:50%;
      background:var(--amber);
      box-shadow:0 0 0 5px rgba(255,184,107,.12);
      display:inline-block;flex:none;
    }
    .section-head{
      display:flex;
      align-items:flex-end;
      justify-content:space-between;
      gap:28px;
      margin-bottom:28px;
    }
    .section-head .copy{max-width:720px}
    h1,h2,h3,h4,p{margin-top:0}
    h1{
      font-size:clamp(34px,5vw,52px);
      line-height:1.14;
      letter-spacing:-.045em;
      font-weight:800;
      margin:18px 0 18px;
    }
    h2{
      font-size:clamp(26px,3.4vw,36px);
      line-height:1.2;
      letter-spacing:-.035em;
      font-weight:800;
      margin:12px 0 12px;
    }
    h3{font-size:21px;line-height:1.32;font-weight:800;margin-bottom:10px}
    p{color:var(--muted);font-size:16px}
    .lead{font-size:17px;max-width:760px;color:#D6CEC5}
    .button{
      border-radius:999px;
      font-weight:800;
      padding:13px 20px;
      line-height:1;
      display:inline-flex;
      align-items:center;
      justify-content:center;
      gap:9px;
      border:1px solid transparent;
      margin:0;
      box-shadow:none;
    }
    .button.primary{
      background:linear-gradient(135deg,var(--primary),var(--primary-2));
      color:#fff;
      box-shadow:0 14px 32px rgba(124,77,255,.28);
    }
    .button.primary:hover,.button.primary:focus{
      background:linear-gradient(135deg,var(--amber),var(--rose));
      color:#211b18;
      transform:translateY(-2px);
    }
    .button.secondary{
      background:rgba(255,255,255,.055);
      color:var(--text);
      border-color:var(--line);
    }
    .button.secondary:hover,.button.secondary:focus{
      border-color:rgba(255,184,107,.55);
      background:rgba(255,184,107,.10);
      transform:translateY(-2px);
    }
    .button.small{padding:10px 14px;font-size:14px}
    .badge,.pill{
      display:inline-flex;
      align-items:center;
      gap:7px;
      padding:7px 11px;
      border-radius:999px;
      border:1px solid var(--line);
      color:var(--muted);
      background:rgba(255,255,255,.04);
      font-size:13px;
      white-space:nowrap;
    }
    .pill.active,.pill:hover{color:#221b17;background:var(--amber);border-color:var(--amber)}
    .site-header{
      position:sticky;
      top:0;
      z-index:50;
      backdrop-filter:blur(18px);
      background:rgba(16,16,18,.84);
      border-bottom:1px solid var(--line);
    }
    .topbar-wrap{
      min-height:78px;
      display:flex;
      align-items:center;
      justify-content:space-between;
      gap:18px;
    }
    .brand{
      display:flex;
      align-items:center;
      gap:11px;
      font-weight:900;
      letter-spacing:-.03em;
      color:var(--text);
      min-width:max-content;
    }
    .brand-mark{
      width:38px;height:38px;border-radius:13px;
      display:grid;place-items:center;
      background:
        linear-gradient(135deg,rgba(139,92,246,.95),rgba(255,184,107,.9)),
        #231f20;
      color:#fff;
      box-shadow:0 10px 28px rgba(139,92,246,.28);
      font-size:18px;
    }
    .nav-center{
      display:flex;
      align-items:center;
      justify-content:center;
      gap:6px;
      padding:6px;
      background:rgba(255,255,255,.035);
      border:1px solid var(--line);
      border-radius:999px;
    }
    .nav-center a{
      padding:9px 14px;
      border-radius:999px;
      color:var(--muted);
      font-weight:700;
      font-size:14px;
    }
    .nav-center a:hover,.nav-center a.active{
      color:var(--text);
      background:rgba(255,184,107,.12);
    }
    .nav-actions{display:flex;align-items:center;gap:10px}
    .cmd-search{
      width:230px;
      min-height:42px;
      border:1px solid var(--line);
      border-radius:999px;
      background:#151418;
      display:flex;
      align-items:center;
      gap:9px;
      padding:0 12px;
      color:var(--muted);
      font-size:13px;
      box-shadow:inset 0 0 0 1px rgba(255,255,255,.02);
    }
    .cmd-search kbd{
      margin-left:auto;
      border:1px solid rgba(255,255,255,.14);
      border-bottom-color:rgba(255,255,255,.25);
      background:rgba(255,255,255,.06);
      color:#D9D1C8;
      border-radius:7px;
      padding:2px 6px;
      font-size:11px;
    }
    .mobile-toggle{
      display:none;
      width:44px;height:44px;border-radius:14px;
      border:1px solid var(--line);
      background:rgba(255,255,255,.05);
      color:var(--text);
    }
    .mobile-panel{display:none;border-top:1px solid var(--line);padding:12px 0 18px}
    .mobile-panel a{display:block;padding:12px 4px;color:var(--muted);font-weight:800}
    .mobile-panel .active{color:var(--amber)}
    .dashboard{
      padding:74px 0 48px;
      position:relative;
    }
    .dashboard:before{
      content:"";
      position:absolute;
      inset:0 0 auto;
      height:420px;
      background:linear-gradient(90deg,rgba(255,184,107,.08),transparent 40%,rgba(139,92,246,.13));
      pointer-events:none;
      mask-image:linear-gradient(#000,transparent);
    }
    .hero-card{
      position:relative;
      z-index:1;
      overflow:hidden;
      border:1px solid var(--line);
      border-radius:var(--radius-lg);
      background:linear-gradient(135deg,rgba(36,33,40,.88),rgba(23,22,26,.92));
      box-shadow:var(--shadow);
      padding:34px;
    }
    .hero-copy{padding:14px 8px 14px 4px}
    .hero-cta{display:flex;flex-wrap:wrap;gap:12px;margin:24px 0 22px}
    .hero-mini{
      display:grid;
      grid-template-columns:repeat(3,minmax(0,1fr));
      gap:12px;
      margin-top:24px;
    }
    .mini-kpi{
      border:1px solid var(--line);
      background:rgba(255,255,255,.045);
      border-radius:18px;
      padding:15px;
    }
    .mini-kpi strong{
      display:block;
      font-size:28px;
      line-height:1;
      color:var(--amber);
      font-variant-numeric:tabular-nums;
      margin-bottom:8px;
    }
    .mini-kpi span{font-size:13px;color:var(--muted)}
    .dp-cover{
      min-height:500px;
      border-radius:26px;
      border:1px solid rgba(255,255,255,.12);
      background:
        linear-gradient(140deg,rgba(139,92,246,.34),transparent 38%),
        radial-gradient(circle at 72% 20%,rgba(255,184,107,.42),transparent 24%),
        linear-gradient(160deg,#211E24,#111013 64%);
      position:relative;
      overflow:hidden;
      transform:rotate(-1.2deg) translateY(10px);
      box-shadow:0 26px 70px rgba(0,0,0,.35);
    }
    .dp-cover:before{
      content:"";
      position:absolute;
      inset:20px;
      border-radius:22px;
      background-image:
        linear-gradient(rgba(255,255,255,.07) 1px,transparent 1px),
        linear-gradient(90deg,rgba(255,255,255,.06) 1px,transparent 1px);
      background-size:28px 28px;
      opacity:.7;
    }
    .command-panel{
      position:absolute;
      left:28px;right:28px;top:30px;
      display:flex;align-items:center;gap:12px;
      padding:13px 15px;
      border-radius:18px;
      background:rgba(16,16,18,.78);
      border:1px solid rgba(255,255,255,.12);
      backdrop-filter:blur(10px);
    }
    .command-panel span{color:var(--muted);font-size:14px}
    .quick-matrix{
      position:absolute;
      left:28px;right:28px;bottom:28px;
      display:grid;
      grid-template-columns:repeat(2,minmax(0,1fr));
      gap:14px;
    }
    .quick-tile{
      border:1px solid rgba(255,255,255,.12);
      background:rgba(16,16,18,.76);
      backdrop-filter:blur(10px);
      border-radius:18px;
      padding:16px;
      transition:transform var(--ease),border-color var(--ease),background var(--ease);
    }
    .quick-tile:hover{transform:translateY(-4px) scale(1.02);border-color:rgba(255,184,107,.55);background:rgba(36,33,40,.88)}
    .quick-tile b{display:block;color:var(--text);margin-bottom:4px}
    .quick-tile small{color:var(--muted);line-height:1.5;display:block}
    .status-strip{
      display:flex;
      gap:10px;
      overflow-x:auto;
      padding:18px 2px 4px;
      scrollbar-width:thin;
    }
    .stat-grid{
      margin-top:28px;
    }
    .stat-card{
      height:100%;
      padding:22px;
      border:1px solid var(--line);
      border-radius:22px;
      background:rgba(255,255,255,.045);
      transition:transform var(--ease),border-color var(--ease),background var(--ease);
    }
    .stat-card:hover{transform:translateY(-4px);border-color:rgba(255,184,107,.44);background:rgba(255,255,255,.065)}
    .stat-card .num{
      font-size:42px;
      line-height:1;
      font-weight:900;
      color:var(--amber);
      font-variant-numeric:tabular-nums;
      margin-bottom:10px;
    }
    .track-wrap{
      margin-top:26px;
      position:relative;
    }
    .track-hint{font-size:13px;color:var(--muted);margin-bottom:10px}
    .content-track{
      display:flex;
      gap:18px;
      overflow-x:auto;
      padding:6px 2px 22px;
      scroll-snap-type:x proximity;
      scrollbar-color:rgba(255,184,107,.5) rgba(255,255,255,.06);
    }
    .portal-card{
      min-width:294px;
      height:250px;
      border-radius:24px;
      border:1px solid var(--line);
      overflow:hidden;
      position:relative;
      scroll-snap-align:start;
      background:
        radial-gradient(circle at 20% 20%,rgba(255,184,107,.28),transparent 28%),
        radial-gradient(circle at 78% 36%,rgba(139,92,246,.34),transparent 30%),
        linear-gradient(140deg,#302B34,#17161A);
      transition:transform 220ms ease,border-color 220ms ease,box-shadow 220ms ease;
    }
    .portal-card:before{
      content:"";
      position:absolute;
      inset:0;
      background-image:linear-gradient(135deg,rgba(255,255,255,.10) 1px,transparent 1px);
      background-size:18px 18px;
      opacity:.28;
    }
    .portal-card:hover{
      transform:translateY(-5px) scale(1.035);
      border-color:rgba(255,184,107,.58);
      box-shadow:0 18px 44px rgba(0,0,0,.38);
    }
    .portal-card .overlay{
      position:absolute;
      left:0;right:0;bottom:0;
      padding:18px;
      min-height:38%;
      background:linear-gradient(180deg,rgba(16,16,18,.16),rgba(16,16,18,.94) 42%);
      transition:min-height 220ms ease,background 220ms ease;
    }
    .portal-card:hover .overlay{min-height:58%;background:linear-gradient(180deg,rgba(16,16,18,.12),rgba(16,16,18,.98) 35%)}
    .portal-card h3{font-size:18px;color:var(--text);margin:9px 0 6px}
    .portal-card p{font-size:14px;line-height:1.58;margin:0}
    .card-top{
      position:absolute;
      top:16px;left:16px;right:16px;
      display:flex;justify-content:space-between;gap:8px;align-items:center;
    }
    .arrow{
      width:34px;height:34px;border-radius:50%;
      display:grid;place-items:center;
      color:#221b17;background:var(--amber);
      font-weight:900;
    }
    .service-matrix{background:linear-gradient(180deg,transparent,rgba(244,240,234,.03),transparent)}
    .filter-bar{
      display:flex;
      gap:10px;
      flex-wrap:wrap;
      margin:18px 0 22px;
    }
    .column-card{
      height:100%;
      border-radius:24px;
      border:1px solid var(--line);
      background:linear-gradient(180deg,rgba(43,39,46,.9),rgba(36,33,40,.82));
      padding:24px;
      box-shadow:0 16px 42px rgba(0,0,0,.20);
    }
    .column-card .index{
      color:var(--rose);
      font-weight:900;
      letter-spacing:.08em;
      font-size:13px;
    }
    .feature-list{list-style:none;margin:18px 0 0;padding:0}
    .feature-list li{
      display:flex;
      gap:10px;
      padding:12px 0;
      border-top:1px solid var(--line);
      color:var(--muted);
      font-size:14px;
    }
    .feature-list li:before{content:"";width:7px;height:7px;border-radius:50%;background:var(--amber);margin-top:10px;flex:none}
    .comparison{
      background:var(--paper);
      color:var(--dark-text);
    }
    .comparison p,.comparison .section-head p{color:var(--dark-muted)}
    .compare-panel{
      border-radius:28px;
      overflow:hidden;
      background:#211F22;
      box-shadow:var(--shadow-soft);
      border:1px solid rgba(35,31,32,.10);
    }
    .compare-row{
      display:grid;
      grid-template-columns:1fr 1.2fr 1.2fr .7fr;
      gap:0;
      border-bottom:1px solid rgba(255,255,255,.09);
      transition:background var(--ease);
    }
    .compare-row:last-child{border-bottom:0}
    .compare-row:hover{background:rgba(255,184,107,.07)}
    .compare-cell{
      padding:18px;
      color:#EDE7DE;
      border-right:1px solid rgba(255,255,255,.08);
      min-height:88px;
    }
    .compare-cell:last-child{border-right:0}
    .compare-head .compare-cell{
      color:#221b17;
      background:linear-gradient(135deg,var(--amber),var(--rose));
      font-weight:900;
      min-height:auto;
    }
    .compare-cell strong{color:#fff}
    .compare-cell small{display:block;color:#B8B1AA;line-height:1.6}
    .tag-warm{
      display:inline-flex;
      border-radius:999px;
      padding:5px 9px;
      background:rgba(255,184,107,.14);
      color:var(--amber);
      font-weight:800;
      font-size:12px;
      border:1px solid rgba(255,184,107,.25);
    }
    .faq-layout{
      display:grid;
      grid-template-columns:minmax(240px,360px) 1fr;
      gap:24px;
      align-items:start;
    }
    .note-card{
      border:1px solid var(--line);
      border-radius:26px;
      padding:26px;
      background:linear-gradient(180deg,rgba(255,255,255,.06),rgba(255,255,255,.035));
      position:sticky;
      top:104px;
    }
    .accordion{
      background:transparent;
    }
    .accordion-item{
      margin-bottom:12px;
      border:1px solid var(--line);
      border-radius:18px;
      overflow:hidden;
      background:rgba(255,255,255,.045);
    }
    .accordion-title{
      border:0!important;
      color:var(--text)!important;
      font-size:17px;
      font-weight:800;
      padding:18px 52px 18px 18px;
      background:rgba(255,255,255,.03);
    }
    .accordion-title:hover,.accordion-title:focus{background:rgba(255,184,107,.09);color:var(--amber)!important}
    .is-active>.accordion-title{box-shadow:inset 0 0 0 1px rgba(139,92,246,.32)}
    .accordion-content{
      border:0!important;
      background:rgba(16,16,18,.42)!important;
      color:var(--muted)!important;
      line-height:1.75;
      padding:0 18px 18px;
    }
    .form-section{
      background:
        radial-gradient(circle at 82% 18%,rgba(239,166,166,.16),transparent 28%),
        linear-gradient(180deg,#151417,#101012);
    }
    .form-panel{
      border:1px solid var(--line);
      border-radius:30px;
      padding:30px;
      background:linear-gradient(135deg,rgba(36,33,40,.95),rgba(23,22,26,.96));
      box-shadow:var(--shadow);
    }
    label{color:#EDE6DD;font-weight:800;margin-bottom:7px}
    input[type="text"],input[type="email"],select,textarea{
      height:52px;
      border-radius:15px;
      border:1px solid rgba(255,255,255,.13);
      background:#151418;
      color:var(--text);
      box-shadow:none;
      padding:12px 14px;
      transition:border-color var(--ease),box-shadow var(--ease),background var(--ease);
    }
    textarea{min-height:128px;height:auto;resize:vertical}
    input:hover,select:hover,textarea:hover{border-color:rgba(255,184,107,.35)}
    input:focus,select:focus,textarea:focus{
      border-color:var(--primary);
      box-shadow:0 0 0 4px rgba(139,92,246,.18);
      background:#18161C;
    }
    .checkline{
      display:flex;
      gap:10px;
      align-items:flex-start;
      color:var(--muted);
      font-size:14px;
      margin:10px 0 18px;
    }
    .checkline input{margin-top:6px}
    .side-info{
      display:grid;
      gap:14px;
    }
    .info-box{
      border-radius:22px;
      border:1px solid var(--line);
      background:rgba(255,255,255,.045);
      padding:20px;
    }
    .info-box b{display:block;color:var(--text);margin-bottom:6px}
    .info-box span{color:var(--muted);font-size:14px}
    .brief-section{
      background:#17161A;
    }
    .brief-panel{
      display:grid;
      grid-template-columns:1.25fr .75fr;
      gap:22px;
    }
    .news-list,.recommend-card{
      border:1px solid var(--line);
      border-radius:26px;
      background:rgba(255,255,255,.045);
      padding:22px;
    }
    .news-item{
      display:grid;
      grid-template-columns:92px 1fr auto;
      gap:16px;
      align-items:center;
      padding:16px 0;
      border-bottom:1px solid var(--line);
    }
    .news-item:last-child{border-bottom:0}
    .news-item time{color:var(--amber);font-weight:900;font-size:13px}
    .news-item a{font-weight:900;color:var(--text)}
    .news-item a:hover{color:var(--amber)}
    .news-item p{font-size:14px;margin:4px 0 0}
    .recommend-list{display:grid;gap:12px;margin-top:14px}
    .recommend-link{
      display:flex;
      justify-content:space-between;
      gap:12px;
      padding:14px;
      border-radius:16px;
      border:1px solid var(--line);
      background:rgba(0,0,0,.12);
      font-weight:800;
    }
    .recommend-link:hover{transform:translateY(-2px);border-color:rgba(255,184,107,.45);background:rgba(255,184,107,.08)}
    .entry-section{
      padding-bottom:96px;
    }
    .entry-grid{
      display:grid;
      grid-template-columns:repeat(4,minmax(0,1fr));
      gap:16px;
    }
    .entry-card{
      min-height:170px;
      border-radius:24px;
      border:1px solid var(--line);
      background:linear-gradient(160deg,rgba(43,39,46,.84),rgba(20,19,22,.95));
      padding:20px;
      transition:transform var(--ease),border-color var(--ease),background var(--ease);
      position:relative;
      overflow:hidden;
    }
    .entry-card:after{
      content:"";
      position:absolute;
      right:-36px;top:-36px;
      width:110px;height:110px;border-radius:50%;
      background:rgba(139,92,246,.18);
    }
    .entry-card:hover{transform:translateY(-5px);border-color:rgba(255,184,107,.48);background:linear-gradient(160deg,rgba(54,47,58,.92),rgba(20,19,22,.98))}
    .entry-card h3{font-size:18px}
    .entry-card p{font-size:14px;margin-bottom:0}
    .site-footer{
      border-top:1px solid var(--line);
      background:#0E0D0F;
      padding:46px 0 28px;
    }
    .footer-grid{
      display:grid;
      grid-template-columns:1.35fr .65fr .65fr;
      gap:28px;
      align-items:start;
    }
    .footer-brand{margin-bottom:12px}
    .footer-links{display:grid;gap:10px}
    .footer-links a{color:var(--muted);font-weight:700}
    .footer-links a:hover{color:var(--amber);padding-left:3px}
    .tag-cloud{display:flex;gap:8px;flex-wrap:wrap;margin-top:14px}
    .copyright{
      margin-top:34px;
      padding-top:20px;
      border-top:1px solid var(--line);
      color:#8E8780;
      font-size:13px;
      display:flex;
      justify-content:space-between;
      gap:12px;
      flex-wrap:wrap;
    }
    @media (max-width:1023px){
      .nav-center,.cmd-search,.nav-actions .secondary{display:none}
      .mobile-toggle{display:grid;place-items:center}
      .mobile-panel.open{display:block}
      .hero-card{padding:24px}
      .dp-cover{min-height:420px;margin-top:18px;transform:none}
      .section-head{display:block}
      .compare-row{grid-template-columns:1fr}
      .compare-cell{border-right:0;border-bottom:1px solid rgba(255,255,255,.08)}
      .compare-cell:last-child{border-bottom:0}
      .compare-head{display:none}
      .compare-cell:before{
        content:attr(data-label);
        display:block;
        color:var(--amber);
        font-size:12px;
        font-weight:900;
        margin-bottom:6px;
      }
      .faq-layout{grid-template-columns:1fr}
      .note-card{position:relative;top:auto}
      .brief-panel{grid-template-columns:1fr}
      .entry-grid{grid-template-columns:repeat(2,minmax(0,1fr))}
    }
    @media (max-width:639px){
      .site-container{width:min(calc(100% - 24px),var(--container))}
      .topbar-wrap{min-height:68px}
      .brand span{font-size:15px}
      .brand-mark{width:34px;height:34px;border-radius:12px}
      .section{padding:56px 0}
      .dashboard{padding:42px 0 30px}
      .hero-card{padding:18px;border-radius:24px}
      .hero-copy{padding:4px}
      .hero-cta .button{width:100%}
      .hero-mini{grid-template-columns:1fr}
      .quick-matrix{grid-template-columns:1fr;left:18px;right:18px;bottom:18px}
      .command-panel{left:18px;right:18px;top:18px}
      .dp-cover{min-height:520px}
      .portal-card{min-width:80vw;height:238px}
      .stat-card .num{font-size:34px}
      .news-item{grid-template-columns:1fr;gap:6px}
      .news-item .arrow{display:none}
      .entry-grid{grid-template-columns:1fr}
      .footer-grid{grid-template-columns:1fr}
      .form-panel{padding:20px;border-radius:24px}
      .button{width:auto}
      .form-panel .button{width:100%}
    }

/* roulang page: category1 */
:root{
      --bg:#101012;
      --bg-2:#17161A;
      --panel:#242128;
      --panel-2:#2B272E;
      --paper:#F4F0EA;
      --paper-2:#EDE5DD;
      --text:#F5F1EA;
      --muted:#B8B1AA;
      --ink:#231F20;
      --ink-muted:#6F6661;
      --primary:#8B5CF6;
      --primary-2:#7C4DFF;
      --amber:#FFB86B;
      --rose:#EFA6A6;
      --line:rgba(255,255,255,.10);
      --line-dark:rgba(35,31,32,.12);
      --shadow:0 18px 54px rgba(0,0,0,.32);
      --shadow-soft:0 12px 34px rgba(40,30,20,.10);
      --radius-xl:26px;
      --radius-lg:20px;
      --radius-md:15px;
      --radius-pill:999px;
      --container:1200px;
      --ease:220ms ease;
    }

    *{box-sizing:border-box}
    html{scroll-behavior:smooth}
    body{
      margin:0;
      font-family:"Noto Sans SC","PingFang SC","Microsoft YaHei",system-ui,-apple-system,BlinkMacSystemFont,"Segoe UI",sans-serif;
      color:var(--text);
      background:
        radial-gradient(circle at 12% 8%, rgba(139,92,246,.22), transparent 34%),
        radial-gradient(circle at 86% 18%, rgba(255,184,107,.12), transparent 28%),
        linear-gradient(180deg, var(--bg) 0%, #151316 45%, #100f11 100%);
      line-height:1.75;
      overflow-x:hidden;
    }

    body.is-menu-open{overflow:hidden}

    a{color:inherit;text-decoration:none;transition:color var(--ease),background var(--ease),border-color var(--ease),transform var(--ease)}
    a:hover,a:focus{color:var(--amber)}
    img{max-width:100%;height:auto;display:block}
    button,input,select,textarea{font:inherit}
    button{cursor:pointer}
    ::selection{background:rgba(255,184,107,.32);color:var(--text)}

    .site-container{
      width:min(calc(100% - 40px), var(--container));
      margin:0 auto;
    }

    .section{
      padding:82px 0;
      position:relative;
    }

    .section.compact{padding:58px 0}
    .section-paper{
      background:linear-gradient(180deg, var(--paper) 0%, #EFE7DF 100%);
      color:var(--ink);
    }

    .eyebrow{
      display:inline-flex;
      align-items:center;
      gap:8px;
      padding:7px 12px;
      border:1px solid rgba(255,255,255,.12);
      border-radius:var(--radius-pill);
      background:rgba(255,255,255,.055);
      color:var(--amber);
      font-size:13px;
      font-weight:700;
      letter-spacing:.02em;
    }
    .section-paper .eyebrow{
      border-color:rgba(35,31,32,.12);
      background:rgba(255,255,255,.62);
      color:#7A4C12;
    }

    .badge{
      display:inline-flex;
      align-items:center;
      gap:6px;
      padding:7px 11px;
      border-radius:var(--radius-pill);
      border:1px solid rgba(255,255,255,.11);
      background:rgba(255,255,255,.06);
      color:var(--muted);
      font-size:13px;
      line-height:1;
      white-space:nowrap;
    }
    .badge.hot{color:#2A1B0B;background:var(--amber);border-color:var(--amber);font-weight:800}
    .badge.purple{color:#EFE7FF;background:rgba(139,92,246,.18);border-color:rgba(139,92,246,.34)}
    .badge.rose{color:#FFE9E9;background:rgba(239,166,166,.16);border-color:rgba(239,166,166,.34)}
    .section-paper .badge{border-color:rgba(35,31,32,.12);background:rgba(255,255,255,.72);color:var(--ink-muted)}

    .btn{
      display:inline-flex;
      align-items:center;
      justify-content:center;
      gap:9px;
      min-height:46px;
      padding:13px 18px;
      border-radius:var(--radius-pill);
      border:1px solid transparent;
      font-weight:800;
      line-height:1;
      transition:transform var(--ease),box-shadow var(--ease),background var(--ease),border-color var(--ease),color var(--ease);
    }
    .btn:hover,.btn:focus{
      transform:translateY(-2px);
      outline:none;
    }
    .btn-primary{
      color:#21150A;
      background:linear-gradient(135deg, var(--amber), #FFD09C);
      box-shadow:0 14px 34px rgba(255,184,107,.18);
    }
    .btn-primary:hover,.btn-primary:focus{
      color:#180F07;
      background:linear-gradient(135deg, var(--rose), var(--amber));
      box-shadow:0 18px 42px rgba(239,166,166,.22);
    }
    .btn-secondary{
      color:var(--text);
      border-color:rgba(255,255,255,.14);
      background:rgba(255,255,255,.06);
    }
    .btn-secondary:hover,.btn-secondary:focus{
      color:var(--text);
      border-color:rgba(255,184,107,.44);
      background:rgba(255,184,107,.10);
    }
    .section-paper .btn-secondary{
      color:var(--ink);
      border-color:rgba(35,31,32,.16);
      background:rgba(255,255,255,.66);
    }

    .site-header{
      position:sticky;
      top:0;
      z-index:50;
      background:rgba(16,16,18,.84);
      border-bottom:1px solid var(--line);
      backdrop-filter:blur(18px);
    }
    .nav-shell{
      min-height:78px;
      display:flex;
      align-items:center;
      gap:22px;
      justify-content:space-between;
    }
    .brand{
      display:inline-flex;
      align-items:center;
      gap:11px;
      font-weight:900;
      color:var(--text);
      letter-spacing:-.02em;
      white-space:nowrap;
    }
    .brand:hover,.brand:focus{color:var(--text);transform:translateY(-1px)}
    .brand-mark{
      width:38px;
      height:38px;
      border-radius:13px;
      display:grid;
      place-items:center;
      color:#23150B;
      background:
        radial-gradient(circle at 30% 24%, #FFE0B8 0 18%, transparent 19%),
        linear-gradient(135deg, var(--amber), var(--primary));
      box-shadow:0 12px 28px rgba(139,92,246,.24);
      font-weight:950;
    }
    .nav-center{
      display:flex;
      align-items:center;
      gap:6px;
      padding:6px;
      border:1px solid rgba(255,255,255,.08);
      border-radius:var(--radius-pill);
      background:rgba(255,255,255,.045);
    }
    .nav-center a{
      position:relative;
      display:inline-flex;
      align-items:center;
      min-height:36px;
      padding:8px 14px;
      border-radius:var(--radius-pill);
      color:var(--muted);
      font-size:14px;
      font-weight:700;
    }
    .nav-center a:hover,.nav-center a:focus{
      color:var(--text);
      background:rgba(255,255,255,.07);
      outline:none;
    }
    .nav-center a.active{
      color:#23150B;
      background:var(--amber);
    }
    .nav-actions{
      display:flex;
      align-items:center;
      gap:10px;
    }
    .command-search{
      width:238px;
      min-height:42px;
      padding:0 10px 0 14px;
      border:1px solid rgba(255,255,255,.10);
      border-radius:var(--radius-pill);
      background:rgba(255,255,255,.055);
      display:flex;
      align-items:center;
      gap:9px;
      color:var(--muted);
      transition:border-color var(--ease),background var(--ease);
    }
    .command-search:hover,.command-search:focus-within{
      border-color:rgba(255,184,107,.36);
      background:rgba(255,255,255,.08);
    }
    .command-search input{
      width:100%;
      min-width:0;
      border:0;
      outline:0;
      color:var(--text);
      background:transparent;
      font-size:13px;
    }
    .command-search input::placeholder{color:#928A84}
    .keycap{
      padding:2px 7px;
      border-radius:8px;
      border:1px solid rgba(255,255,255,.12);
      color:var(--muted);
      font-size:12px;
      line-height:1.4;
      background:rgba(0,0,0,.16);
    }
    .menu-toggle{
      display:none;
      width:44px;
      height:44px;
      border-radius:14px;
      border:1px solid rgba(255,255,255,.12);
      background:rgba(255,255,255,.06);
      color:var(--text);
    }
    .menu-toggle:focus{outline:3px solid rgba(255,184,107,.28);outline-offset:2px}

    .category-hero{
      padding:82px 0 34px;
      overflow:hidden;
    }
    .hero-wrap{
      position:relative;
      padding:34px;
      border-radius:32px;
      border:1px solid rgba(255,255,255,.10);
      background:
        linear-gradient(120deg, rgba(36,33,40,.96), rgba(20,18,23,.98)),
        radial-gradient(circle at 70% 20%, rgba(255,184,107,.18), transparent 32%);
      box-shadow:var(--shadow);
      overflow:hidden;
    }
    .hero-wrap::before{
      content:"";
      position:absolute;
      inset:-80px -100px auto auto;
      width:360px;
      height:360px;
      background:radial-gradient(circle, rgba(139,92,246,.34), transparent 64%);
      filter:blur(6px);
      pointer-events:none;
    }
    .hero-wrap::after{
      content:"";
      position:absolute;
      inset:0;
      background-image:
        linear-gradient(rgba(255,255,255,.045) 1px, transparent 1px),
        linear-gradient(90deg, rgba(255,255,255,.04) 1px, transparent 1px);
      background-size:38px 38px;
      mask-image:linear-gradient(90deg, rgba(0,0,0,.8), transparent 72%);
      pointer-events:none;
    }
    .hero-content{position:relative;z-index:1}
    .hero-labels{
      display:flex;
      flex-wrap:wrap;
      gap:10px;
      margin-bottom:22px;
    }
    h1{
      margin:0 0 18px;
      max-width:840px;
      font-size:clamp(32px, 4.6vw, 52px);
      line-height:1.14;
      letter-spacing:-.045em;
      font-weight:900;
      color:var(--text);
    }
    .hero-summary{
      max-width:760px;
      margin:0;
      color:var(--muted);
      font-size:17px;
    }
    .hero-actions{
      display:flex;
      flex-wrap:wrap;
      gap:12px;
      margin-top:26px;
    }
    .recommend-card{
      position:relative;
      z-index:1;
      height:100%;
      padding:24px;
      border-radius:24px;
      border:1px solid rgba(255,184,107,.28);
      background:
        linear-gradient(180deg, rgba(255,184,107,.16), rgba(255,255,255,.055)),
        rgba(0,0,0,.16);
      box-shadow:0 18px 40px rgba(0,0,0,.22);
    }
    .recommend-card .topline{
      display:flex;
      justify-content:space-between;
      align-items:center;
      gap:12px;
      margin-bottom:16px;
    }
    .recommend-card h2{
      margin:0 0 12px;
      font-size:25px;
      line-height:1.25;
      font-weight:900;
    }
    .check-list{
      margin:18px 0 0;
      padding:0;
      list-style:none;
      display:grid;
      gap:11px;
    }
    .check-list li{
      display:flex;
      gap:9px;
      align-items:flex-start;
      color:var(--muted);
      font-size:14px;
    }
    .check-list i{
      color:var(--amber);
      margin-top:5px;
    }

    .mini-dashboard{
      margin-top:22px;
    }
    .metric-card{
      height:100%;
      padding:21px;
      border-radius:22px;
      border:1px solid rgba(255,255,255,.09);
      background:linear-gradient(180deg, rgba(255,255,255,.075), rgba(255,255,255,.035));
      box-shadow:0 14px 36px rgba(0,0,0,.18);
      transition:transform var(--ease),border-color var(--ease),background var(--ease);
    }
    .metric-card:hover{
      transform:translateY(-4px);
      border-color:rgba(255,184,107,.30);
      background:linear-gradient(180deg, rgba(255,255,255,.10), rgba(255,255,255,.045));
    }
    .metric-number{
      display:block;
      font-size:38px;
      line-height:1;
      font-weight:950;
      color:var(--amber);
      font-variant-numeric:tabular-nums;
      letter-spacing:-.04em;
      margin-bottom:10px;
    }
    .metric-card h3{
      margin:0 0 7px;
      color:var(--text);
      font-size:18px;
      font-weight:850;
    }
    .metric-card p{
      margin:0;
      color:var(--muted);
      font-size:14px;
      line-height:1.7;
    }

    .section-head{
      display:flex;
      align-items:flex-end;
      justify-content:space-between;
      gap:24px;
      margin-bottom:26px;
    }
    .section-title{
      margin:10px 0 0;
      font-size:clamp(26px, 3.2vw, 36px);
      line-height:1.2;
      font-weight:900;
      letter-spacing:-.035em;
    }
    .section-desc{
      max-width:620px;
      margin:10px 0 0;
      color:var(--muted);
      font-size:16px;
    }
    .section-paper .section-desc{color:var(--ink-muted)}

    .filter-pills{
      display:flex;
      flex-wrap:wrap;
      gap:10px;
      margin-bottom:22px;
    }
    .filter-pills button{
      border:1px solid rgba(255,255,255,.11);
      border-radius:var(--radius-pill);
      background:rgba(255,255,255,.055);
      color:var(--muted);
      padding:10px 14px;
      font-weight:750;
      transition:background var(--ease),border-color var(--ease),transform var(--ease),color var(--ease);
    }
    .filter-pills button:hover,.filter-pills button:focus{
      outline:none;
      transform:translateY(-2px);
      color:var(--text);
      border-color:rgba(255,184,107,.36);
      background:rgba(255,184,107,.10);
    }
    .filter-pills button.is-active{
      color:#23150B;
      background:var(--amber);
      border-color:var(--amber);
    }

    .horizontal-track{
      display:flex;
      gap:18px;
      overflow-x:auto;
      padding:8px 4px 20px;
      scroll-snap-type:x proximity;
      scrollbar-color:rgba(255,184,107,.44) rgba(255,255,255,.08);
      scrollbar-width:thin;
    }
    .horizontal-track::-webkit-scrollbar{height:9px}
    .horizontal-track::-webkit-scrollbar-track{background:rgba(255,255,255,.07);border-radius:999px}
    .horizontal-track::-webkit-scrollbar-thumb{background:rgba(255,184,107,.45);border-radius:999px}
    .track-card{
      position:relative;
      flex:0 0 312px;
      min-height:238px;
      border-radius:24px;
      border:1px solid rgba(255,255,255,.10);
      overflow:hidden;
      background:
        radial-gradient(circle at 24% 22%, rgba(255,184,107,.24), transparent 28%),
        radial-gradient(circle at 82% 8%, rgba(139,92,246,.26), transparent 34%),
        linear-gradient(150deg, #2B272E, #17161A);
      box-shadow:0 16px 42px rgba(0,0,0,.25);
      scroll-snap-align:start;
      transition:transform var(--ease),border-color var(--ease),box-shadow var(--ease);
    }
    .track-card:hover,.track-card:focus-within{
      transform:translateY(-4px) scale(1.03);
      border-color:rgba(255,184,107,.35);
      box-shadow:0 22px 58px rgba(0,0,0,.38);
    }
    .track-art{
      position:absolute;
      inset:0;
      opacity:.92;
      background-image:
        linear-gradient(135deg, rgba(255,255,255,.08) 0 1px, transparent 1px),
        linear-gradient(45deg, rgba(255,255,255,.04), transparent 45%);
      background-size:18px 18px, auto;
    }
    .track-card:nth-child(2n) .track-art{
      background:
        repeating-linear-gradient(135deg, rgba(255,255,255,.08) 0 1px, transparent 1px 16px),
        radial-gradient(circle at 60% 30%, rgba(239,166,166,.18), transparent 34%);
    }
    .track-info{
      position:absolute;
      left:0;
      right:0;
      bottom:0;
      min-height:42%;
      padding:18px;
      display:flex;
      flex-direction:column;
      justify-content:flex-end;
      background:linear-gradient(180deg, rgba(16,16,18,.18), rgba(16,16,18,.92) 38%, rgba(16,16,18,.98));
      transition:min-height var(--ease),background var(--ease);
    }
    .track-card:hover .track-info{min-height:58%}
    .status{
      display:inline-flex;
      align-items:center;
      gap:7px;
      color:var(--amber);
      font-size:12px;
      font-weight:800;
      margin-bottom:8px;
    }
    .status::before{
      content:"";
      width:7px;
      height:7px;
      border-radius:50%;
      background:var(--amber);
      box-shadow:0 0 0 4px rgba(255,184,107,.12);
    }
    .track-info h3{
      margin:0 0 7px;
      font-size:19px;
      line-height:1.25;
      font-weight:900;
    }
    .track-info p{
      margin:0;
      color:var(--muted);
      font-size:14px;
      line-height:1.65;
    }
    .track-meta{
      display:flex;
      gap:8px;
      flex-wrap:wrap;
      margin-top:13px;
    }

    .column-layout{
      align-items:flex-start;
    }
    .anchor-panel{
      position:sticky;
      top:106px;
      padding:22px;
      border-radius:24px;
      background:#fffaf4;
      border:1px solid var(--line-dark);
      box-shadow:var(--shadow-soft);
    }
    .anchor-panel h3{
      margin:0 0 14px;
      font-size:20px;
      font-weight:900;
    }
    .anchor-list{
      margin:0;
      padding:0;
      list-style:none;
      display:grid;
      gap:8px;
    }
    .anchor-list a{
      display:flex;
      align-items:center;
      justify-content:space-between;
      gap:10px;
      padding:11px 12px;
      border-radius:14px;
      color:var(--ink-muted);
      background:rgba(35,31,32,.035);
      border:1px solid transparent;
      font-weight:750;
    }
    .anchor-list a:hover,.anchor-list a:focus{
      outline:none;
      color:var(--ink);
      background:#fff;
      border-color:rgba(139,92,246,.20);
      transform:translateX(3px);
    }

    .article-stack{
      display:grid;
      gap:18px;
    }
    .article-card{
      padding:26px;
      border-radius:26px;
      background:#fffaf4;
      border:1px solid var(--line-dark);
      box-shadow:var(--shadow-soft);
    }
    .article-card h3{
      margin:0 0 12px;
      font-size:23px;
      line-height:1.32;
      font-weight:900;
      letter-spacing:-.02em;
    }
    .article-card p{
      margin:0 0 14px;
      color:var(--ink-muted);
      font-size:16px;
    }
    .article-card p:last-child{margin-bottom:0}
    .quote-note{
      margin:18px 0 0;
      padding:16px 18px;
      border-left:4px solid var(--amber);
      border-radius:16px;
      background:rgba(255,184,107,.13);
      color:#4B3A2D;
      font-weight:650;
    }
    .step-grid{
      display:grid;
      gap:12px;
      margin-top:18px;
    }
    .step-item{
      display:flex;
      gap:13px;
      padding:14px;
      border-radius:18px;
      border:1px solid rgba(35,31,32,.10);
      background:rgba(255,255,255,.66);
    }
    .step-no{
      flex:0 0 34px;
      width:34px;
      height:34px;
      display:grid;
      place-items:center;
      border-radius:12px;
      color:#23150B;
      background:var(--amber);
      font-weight:950;
    }
    .step-item strong{display:block;margin-bottom:2px;color:var(--ink)}
    .step-item span{display:block;color:var(--ink-muted);font-size:14px;line-height:1.65}

    .compare-panel{
      border-radius:28px;
      border:1px solid rgba(255,255,255,.10);
      background:linear-gradient(180deg, rgba(255,255,255,.065), rgba(255,255,255,.025));
      overflow:hidden;
      box-shadow:var(--shadow);
    }
    .compare-row{
      display:grid;
      grid-template-columns:1.05fr 1.4fr 1.4fr;
      gap:0;
      border-bottom:1px solid rgba(255,255,255,.08);
      transition:background var(--ease);
    }
    .compare-row:last-child{border-bottom:0}
    .compare-row:hover{background:rgba(255,184,107,.065)}
    .compare-cell{
      padding:18px 20px;
      border-right:1px solid rgba(255,255,255,.08);
      color:var(--muted);
      font-size:14px;
    }
    .compare-cell:last-child{border-right:0}
    .compare-head .compare-cell{
      color:var(--text);
      font-weight:900;
      background:rgba(0,0,0,.18);
    }
    .compare-dim{
      color:var(--amber);
      font-weight:900;
    }

    .faq-layout{
      align-items:flex-start;
    }
    .faq-side{
      padding:24px;
      border-radius:24px;
      border:1px solid rgba(255,255,255,.10);
      background:rgba(255,255,255,.055);
      box-shadow:0 16px 38px rgba(0,0,0,.18);
    }
    .faq-side h2{
      margin:10px 0 10px;
      font-size:31px;
      line-height:1.22;
      font-weight:900;
    }
    .faq-side p{
      color:var(--muted);
      margin:0;
    }
    .accordion{
      margin:0;
      border:0;
      background:transparent;
    }
    .accordion-item{
      margin-bottom:12px;
      border:1px solid rgba(255,255,255,.10);
      border-radius:20px;
      overflow:hidden;
      background:rgba(255,255,255,.045);
      transition:border-color var(--ease),background var(--ease);
    }
    .accordion-item.is-active{
      border-color:rgba(139,92,246,.50);
      background:rgba(139,92,246,.08);
    }
    .accordion-title{
      padding:18px 54px 18px 20px;
      border:0;
      color:var(--text);
      font-size:17px;
      font-weight:850;
      line-height:1.45;
    }
    .accordion-title:hover,.accordion-title:focus{
      background:rgba(255,255,255,.045);
      color:var(--amber);
      outline:none;
    }
    .accordion-title::before{
      right:21px;
      font-size:22px;
      color:var(--amber);
      margin-top:-13px;
    }
    .accordion-content{
      padding:0 20px 20px;
      border:0;
      background:transparent;
      color:var(--muted);
      font-size:15px;
      line-height:1.8;
    }

    .cta-panel{
      position:relative;
      overflow:hidden;
      padding:34px;
      border-radius:30px;
      border:1px solid rgba(255,255,255,.11);
      background:
        radial-gradient(circle at 88% 14%, rgba(255,184,107,.18), transparent 32%),
        linear-gradient(135deg, rgba(43,39,46,.96), rgba(19,18,22,.98));
      box-shadow:var(--shadow);
    }
    .cta-panel::before{
      content:"";
      position:absolute;
      inset:auto auto -140px -120px;
      width:320px;
      height:320px;
      background:radial-gradient(circle, rgba(139,92,246,.26), transparent 66%);
      pointer-events:none;
    }
    .cta-panel h2{
      margin:0 0 12px;
      font-size:clamp(26px,3.3vw,38px);
      line-height:1.2;
      font-weight:950;
      letter-spacing:-.035em;
    }
    .cta-panel p{
      margin:0;
      color:var(--muted);
      max-width:660px;
    }
    .quick-form{
      position:relative;
      z-index:1;
      margin-top:24px;
      padding:18px;
      border-radius:22px;
      background:rgba(255,255,255,.06);
      border:1px solid rgba(255,255,255,.10);
    }
    .quick-form label{
      color:var(--text);
      font-weight:800;
      font-size:14px;
      margin-bottom:8px;
    }
    .quick-form input,.quick-form select,.quick-form textarea{
      width:100%;
      min-height:50px;
      border-radius:15px;
      border:1px solid rgba(255,255,255,.12);
      background:rgba(16,16,18,.78);
      color:var(--text);
      padding:12px 14px;
      box-shadow:none;
      transition:border-color var(--ease),box-shadow var(--ease),background var(--ease);
    }
    .quick-form textarea{min-height:96px;resize:vertical}
    .quick-form input:hover,.quick-form select:hover,.quick-form textarea:hover{
      border-color:rgba(255,255,255,.22);
    }
    .quick-form input:focus,.quick-form select:focus,.quick-form textarea:focus{
      outline:none;
      border-color:var(--primary);
      background:rgba(16,16,18,.92);
      box-shadow:0 0 0 4px rgba(139,92,246,.20);
    }
    .privacy-line{
      display:flex;
      align-items:flex-start;
      gap:10px;
      color:var(--muted);
      font-size:13px;
      line-height:1.6;
      margin:6px 0 18px;
    }
    .privacy-line input{
      width:18px;
      height:18px;
      min-height:18px;
      margin-top:3px;
      accent-color:var(--amber);
    }

    .site-footer{
      padding:56px 0 26px;
      background:#0D0C0E;
      border-top:1px solid rgba(255,255,255,.09);
      color:var(--muted);
    }
    .footer-grid{
      display:grid;
      grid-template-columns:1.5fr .75fr .75fr;
      gap:32px;
    }
    .footer-brand{
      margin-bottom:14px;
      font-size:18px;
    }
    .site-footer p{
      max-width:520px;
      margin:0 0 16px;
      color:var(--muted);
      font-size:14px;
    }
    .tag-cloud{
      display:flex;
      flex-wrap:wrap;
      gap:8px;
    }
    .site-footer h3{
      margin:4px 0 14px;
      color:var(--text);
      font-size:16px;
      font-weight:900;
    }
    .footer-links{
      display:grid;
      gap:9px;
    }
    .footer-links a{
      color:var(--muted);
      font-size:14px;
    }
    .footer-links a:hover,.footer-links a:focus{
      color:var(--amber);
      transform:translateX(2px);
      outline:none;
    }
    .copyright{
      margin-top:34px;
      padding-top:20px;
      border-top:1px solid rgba(255,255,255,.09);
      display:flex;
      justify-content:space-between;
      gap:14px;
      flex-wrap:wrap;
      color:#918A84;
      font-size:13px;
    }

    @media (max-width: 1080px){
      .nav-shell{gap:14px}
      .command-search{display:none}
      .nav-center a{padding:8px 11px}
      .hero-wrap{padding:28px}
      .compare-row{grid-template-columns:1fr}
      .compare-cell{border-right:0;border-bottom:1px solid rgba(255,255,255,.07)}
      .compare-cell:last-child{border-bottom:0}
    }

    @media (max-width: 820px){
      .site-container{width:min(calc(100% - 28px), var(--container))}
      .nav-shell{min-height:68px}
      .menu-toggle{display:inline-grid;place-items:center}
      .nav-center{
        position:fixed;
        left:14px;
        right:14px;
        top:76px;
        display:none;
        padding:12px;
        border-radius:22px;
        background:rgba(23,22,26,.98);
        box-shadow:var(--shadow);
        flex-direction:column;
        align-items:stretch;
      }
      .nav-center.is-open{display:flex}
      .nav-center a{
        justify-content:center;
        min-height:44px;
      }
      .nav-actions .btn{display:none}
      .category-hero{padding:52px 0 22px}
      .section{padding:60px 0}
      .section-head{display:block}
      .recommend-card{margin-top:20px}
      .track-card{flex-basis:80vw}
      .anchor-panel{position:relative;top:auto;margin-bottom:18px}
      .footer-grid{grid-template-columns:1fr}
      .copyright{display:grid}
      .hero-actions .btn,.cta-panel .btn{width:100%}
    }

    @media (max-width: 520px){
      .brand span:last-child{max-width:146px;overflow:hidden;text-overflow:ellipsis}
      .brand-mark{width:36px;height:36px}
      .hero-wrap,.cta-panel{padding:22px;border-radius:24px}
      .metric-number{font-size:34px}
      .article-card{padding:20px;border-radius:22px}
      .quick-form{padding:14px}
      .accordion-title{font-size:16px}
      .track-card{flex-basis:84vw;min-height:232px}
    }

/* roulang page: category2 */
:root {
      --bg: #101012;
      --bg-soft: #17161a;
      --panel: #242128;
      --panel-2: #2b272e;
      --paper: #f4f0ea;
      --paper-soft: #ebe3da;
      --text: #f5f1ea;
      --muted: #b8b1aa;
      --paper-text: #231f20;
      --paper-muted: #6f6661;
      --primary: #8b5cf6;
      --primary-deep: #6d3fe4;
      --accent: #efa6a6;
      --amber: #ffb86b;
      --line: rgba(255,255,255,.10);
      --paper-line: rgba(35,31,32,.10);
      --shadow: 0 18px 56px rgba(0,0,0,.34);
      --soft-shadow: 0 12px 34px rgba(40,30,20,.10);
      --radius-xl: 28px;
      --radius-lg: 22px;
      --radius-md: 16px;
      --radius-sm: 12px;
      --container: 1200px;
      --ease: 220ms ease;
    }

    * {
      box-sizing: border-box;
    }

    html {
      scroll-behavior: smooth;
    }

    body {
      margin: 0;
      font-family: "Noto Sans SC", "PingFang SC", "Microsoft YaHei", system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
      background:
        radial-gradient(circle at 8% 0%, rgba(139,92,246,.16), transparent 32%),
        radial-gradient(circle at 92% 10%, rgba(239,166,166,.13), transparent 30%),
        linear-gradient(180deg, #101012 0%, #17161a 46%, #101012 100%);
      color: var(--text);
      line-height: 1.75;
      overflow-x: hidden;
    }

    a {
      color: inherit;
      text-decoration: none;
      transition: color var(--ease), background var(--ease), border-color var(--ease), transform var(--ease), opacity var(--ease);
    }

    a:hover,
    a:focus {
      color: var(--amber);
    }

    img {
      max-width: 100%;
      height: auto;
      display: block;
    }

    button,
    input,
    select,
    textarea {
      font: inherit;
    }

    button,
    .button {
      cursor: pointer;
    }

    :focus-visible {
      outline: 3px solid rgba(255,184,107,.42);
      outline-offset: 3px;
      border-radius: 12px;
    }

    .site-container {
      width: min(calc(100% - 32px), var(--container));
      margin: 0 auto;
    }

    .site-header {
      position: sticky;
      top: 0;
      z-index: 50;
      border-bottom: 1px solid var(--line);
      background: rgba(16,16,18,.84);
      backdrop-filter: blur(18px);
    }

    .top-command {
      min-height: 78px;
      display: flex;
      align-items: center;
      gap: 22px;
      justify-content: space-between;
    }

    .brand {
      display: inline-flex;
      align-items: center;
      gap: 10px;
      font-weight: 800;
      letter-spacing: -.02em;
      color: var(--text);
      white-space: nowrap;
    }

    .brand:hover {
      color: var(--text);
      transform: translateY(-1px);
    }

    .brand-mark {
      width: 38px;
      height: 38px;
      border-radius: 13px;
      display: inline-grid;
      place-items: center;
      color: #1b1218;
      background:
        linear-gradient(135deg, var(--amber), var(--accent) 45%, var(--primary));
      box-shadow: 0 12px 28px rgba(139,92,246,.26);
      font-weight: 900;
    }

    .nav-center {
      display: flex;
      align-items: center;
      gap: 6px;
      padding: 6px;
      border: 1px solid var(--line);
      border-radius: 999px;
      background: rgba(255,255,255,.035);
    }

    .nav-center a {
      position: relative;
      padding: 9px 14px;
      border-radius: 999px;
      color: var(--muted);
      font-size: 14px;
      font-weight: 650;
      line-height: 1;
    }

    .nav-center a:hover {
      color: var(--text);
      background: rgba(255,255,255,.06);
    }

    .nav-center a.active {
      color: #191317;
      background: linear-gradient(135deg, var(--amber), var(--accent));
      box-shadow: 0 8px 18px rgba(239,166,166,.18);
    }

    .nav-actions {
      display: flex;
      align-items: center;
      gap: 10px;
    }

    .command-search {
      min-width: 235px;
      height: 42px;
      display: flex;
      align-items: center;
      gap: 9px;
      padding: 0 12px;
      border: 1px solid var(--line);
      border-radius: 999px;
      color: var(--muted);
      background: rgba(255,255,255,.045);
      font-size: 13px;
    }

    .command-search .key {
      margin-left: auto;
      padding: 2px 7px;
      border: 1px solid var(--line);
      border-radius: 8px;
      color: var(--text);
      background: rgba(0,0,0,.22);
      font-size: 12px;
    }

    .btn,
    .button.btn {
      display: inline-flex;
      align-items: center;
      justify-content: center;
      gap: 8px;
      min-height: 44px;
      padding: 12px 18px;
      border: 1px solid transparent;
      border-radius: 999px;
      font-weight: 750;
      line-height: 1.1;
      margin: 0;
      transition: transform var(--ease), box-shadow var(--ease), background var(--ease), border-color var(--ease), color var(--ease);
    }

    .btn-primary {
      color: #181116;
      background: linear-gradient(135deg, var(--accent), var(--amber));
      box-shadow: 0 14px 32px rgba(255,184,107,.18);
    }

    .btn-primary:hover,
    .btn-primary:focus {
      color: #161012;
      background: linear-gradient(135deg, var(--amber), #ffd09c);
      transform: translateY(-2px);
      box-shadow: 0 18px 42px rgba(255,184,107,.24);
    }

    .btn-secondary {
      color: var(--text);
      border-color: rgba(255,255,255,.14);
      background: rgba(255,255,255,.045);
    }

    .btn-secondary:hover,
    .btn-secondary:focus {
      color: var(--text);
      border-color: rgba(255,184,107,.42);
      background: rgba(255,255,255,.075);
      transform: translateY(-2px);
    }

    .mobile-menu-btn {
      display: none;
      width: 44px;
      height: 44px;
      border: 1px solid var(--line);
      border-radius: 999px;
      color: var(--text);
      background: rgba(255,255,255,.045);
    }

    .mobile-panel {
      display: none;
      padding: 0 0 18px;
    }

    .mobile-panel.is-open {
      display: block;
    }

    .mobile-panel .nav-center {
      width: 100%;
      flex-direction: column;
      align-items: stretch;
      border-radius: 20px;
    }

    .mobile-panel .nav-center a {
      text-align: center;
      padding: 13px 14px;
    }

    .hero-cover {
      position: relative;
      padding: 76px 0 46px;
      overflow: hidden;
      border-bottom: 1px solid var(--line);
    }

    .hero-cover::before {
      content: "";
      position: absolute;
      inset: 22px auto auto 50%;
      width: 760px;
      height: 360px;
      transform: translateX(-50%);
      background:
        linear-gradient(90deg, rgba(255,255,255,.06) 1px, transparent 1px),
        linear-gradient(180deg, rgba(255,255,255,.05) 1px, transparent 1px);
      background-size: 42px 42px;
      mask-image: radial-gradient(circle, #000 0%, transparent 72%);
      opacity: .48;
      pointer-events: none;
    }

    .hero-panel {
      position: relative;
      padding: 34px;
      border: 1px solid var(--line);
      border-radius: var(--radius-xl);
      background:
        linear-gradient(145deg, rgba(36,33,40,.94), rgba(16,16,18,.86)),
        radial-gradient(circle at 78% 22%, rgba(239,166,166,.16), transparent 34%);
      box-shadow: var(--shadow);
      overflow: hidden;
    }

    .hero-panel::after {
      content: "";
      position: absolute;
      right: -130px;
      bottom: -140px;
      width: 360px;
      height: 360px;
      border-radius: 50%;
      background: radial-gradient(circle, rgba(139,92,246,.26), transparent 65%);
      pointer-events: none;
    }

    .eyebrow {
      display: inline-flex;
      align-items: center;
      gap: 8px;
      color: var(--amber);
      font-size: 13px;
      font-weight: 800;
      letter-spacing: .08em;
      text-transform: uppercase;
      margin-bottom: 18px;
    }

    .eyebrow::before {
      content: "";
      width: 8px;
      height: 8px;
      border-radius: 50%;
      background: var(--accent);
      box-shadow: 0 0 0 6px rgba(239,166,166,.12);
    }

    h1,
    h2,
    h3,
    p {
      margin-top: 0;
    }

    h1 {
      max-width: 880px;
      font-size: clamp(2rem, 5vw, 3.25rem);
      line-height: 1.15;
      letter-spacing: -.055em;
      font-weight: 850;
      margin-bottom: 18px;
    }

    .hero-lead {
      max-width: 760px;
      color: var(--muted);
      font-size: 17px;
      margin-bottom: 26px;
    }

    .hero-actions {
      display: flex;
      gap: 12px;
      flex-wrap: wrap;
      margin-bottom: 30px;
    }

    .demo-board {
      position: relative;
      z-index: 1;
      border: 1px solid rgba(255,255,255,.12);
      border-radius: 24px;
      background: rgba(11,10,12,.58);
      overflow: hidden;
    }

    .demo-toolbar {
      display: flex;
      align-items: center;
      gap: 10px;
      justify-content: space-between;
      padding: 14px 16px;
      border-bottom: 1px solid var(--line);
      color: var(--muted);
      font-size: 13px;
    }

    .dots {
      display: flex;
      gap: 7px;
    }

    .dots span {
      width: 9px;
      height: 9px;
      border-radius: 999px;
      background: rgba(255,255,255,.18);
    }

    .dots span:nth-child(1) { background: var(--accent); }
    .dots span:nth-child(2) { background: var(--amber); }
    .dots span:nth-child(3) { background: var(--primary); }

    .demo-content {
      padding: 18px;
    }

    .status-grid {
      display: grid;
      grid-template-columns: repeat(3, 1fr);
      gap: 12px;
      margin-bottom: 16px;
    }

    .status-card {
      padding: 16px;
      border-radius: 18px;
      border: 1px solid var(--line);
      background: rgba(255,255,255,.05);
    }

    .status-card strong {
      display: block;
      font-size: 28px;
      line-height: 1;
      color: var(--amber);
      font-variant-numeric: tabular-nums;
      margin-bottom: 8px;
    }

    .status-card span {
      color: var(--muted);
      font-size: 13px;
    }

    .quick-list {
      display: grid;
      gap: 10px;
    }

    .quick-row {
      display: flex;
      align-items: center;
      gap: 10px;
      padding: 12px;
      border: 1px solid var(--line);
      border-radius: 16px;
      background: rgba(255,255,255,.035);
      color: var(--muted);
      font-size: 14px;
    }

    .quick-row b {
      color: var(--text);
      margin-right: auto;
    }

    .pulse-dot {
      width: 9px;
      height: 9px;
      border-radius: 50%;
      background: var(--accent);
      box-shadow: 0 0 0 6px rgba(239,166,166,.12);
      flex: 0 0 auto;
    }

    .section {
      padding: 82px 0;
    }

    .section.alt {
      background: var(--paper);
      color: var(--paper-text);
    }

    .section.compact {
      padding-top: 54px;
    }

    .section-head {
      display: flex;
      align-items: end;
      justify-content: space-between;
      gap: 28px;
      margin-bottom: 28px;
    }

    .section-kicker {
      display: inline-flex;
      align-items: center;
      gap: 8px;
      color: var(--accent);
      font-weight: 800;
      font-size: 13px;
      letter-spacing: .08em;
      margin-bottom: 10px;
    }

    .section.alt .section-kicker {
      color: #8d4d61;
    }

    .section-title {
      font-size: clamp(1.65rem, 3vw, 2.35rem);
      line-height: 1.18;
      letter-spacing: -.04em;
      font-weight: 820;
      margin-bottom: 10px;
    }

    .section-desc {
      max-width: 720px;
      color: var(--muted);
      margin: 0;
      font-size: 16px;
    }

    .section.alt .section-desc {
      color: var(--paper-muted);
    }

    .filter-command {
      padding: 18px;
      border-radius: 24px;
      border: 1px solid var(--line);
      background: linear-gradient(135deg, rgba(36,33,40,.96), rgba(43,39,46,.86));
      box-shadow: var(--shadow);
    }

    .filter-line {
      display: flex;
      align-items: center;
      gap: 12px;
      flex-wrap: wrap;
    }

    .filter-search {
      flex: 1 1 260px;
      min-height: 52px;
      display: flex;
      align-items: center;
      gap: 10px;
      padding: 0 16px;
      border: 1px solid var(--line);
      border-radius: 999px;
      background: rgba(0,0,0,.24);
      color: var(--muted);
    }

    .filter-pill,
    .badge {
      display: inline-flex;
      align-items: center;
      gap: 7px;
      min-height: 34px;
      padding: 7px 12px;
      border-radius: 999px;
      border: 1px solid rgba(255,255,255,.12);
      background: rgba(255,255,255,.055);
      color: var(--muted);
      font-size: 13px;
      font-weight: 680;
      white-space: nowrap;
    }

    .filter-pill.is-selected {
      color: #191317;
      border-color: transparent;
      background: linear-gradient(135deg, var(--accent), var(--amber));
    }

    .filter-pill:hover {
      color: var(--text);
      border-color: rgba(255,184,107,.34);
      transform: translateY(-1px);
    }

    .track-block {
      margin-top: 34px;
    }

    .track-title-row {
      display: flex;
      align-items: center;
      justify-content: space-between;
      gap: 18px;
      margin-bottom: 15px;
    }

    .track-title-row h3 {
      margin: 0;
      font-size: 21px;
      letter-spacing: -.02em;
    }

    .track-title-row p {
      margin: 0;
      color: var(--muted);
      font-size: 14px;
    }

    .scroll-hint {
      color: var(--amber);
      font-size: 13px;
      font-weight: 700;
      white-space: nowrap;
    }

    .card-track {
      display: flex;
      gap: 18px;
      overflow-x: auto;
      padding: 4px 4px 18px;
      scroll-snap-type: x proximity;
      scrollbar-width: thin;
      scrollbar-color: rgba(255,184,107,.45) rgba(255,255,255,.08);
    }

    .card-track::-webkit-scrollbar {
      height: 8px;
    }

    .card-track::-webkit-scrollbar-thumb {
      border-radius: 999px;
      background: rgba(255,184,107,.45);
    }

    .portal-card {
      position: relative;
      flex: 0 0 310px;
      min-height: 235px;
      border-radius: 24px;
      border: 1px solid var(--line);
      background:
        linear-gradient(135deg, rgba(139,92,246,.20), transparent 48%),
        linear-gradient(160deg, rgba(255,255,255,.09), rgba(255,255,255,.025));
      overflow: hidden;
      scroll-snap-align: start;
      box-shadow: 0 16px 46px rgba(0,0,0,.23);
      transition: transform var(--ease), border-color var(--ease), box-shadow var(--ease);
    }

    .portal-card::before {
      content: "";
      position: absolute;
      inset: 0;
      background:
        radial-gradient(circle at 74% 18%, rgba(239,166,166,.28), transparent 32%),
        linear-gradient(90deg, rgba(255,255,255,.06) 1px, transparent 1px),
        linear-gradient(180deg, rgba(255,255,255,.05) 1px, transparent 1px);
      background-size: auto, 34px 34px, 34px 34px;
      opacity: .72;
    }

    .portal-card:hover {
      transform: translateY(-5px) scale(1.028);
      border-color: rgba(255,184,107,.36);
      box-shadow: 0 24px 64px rgba(0,0,0,.36);
    }

    .portal-meta {
      position: absolute;
      top: 15px;
      left: 15px;
      right: 15px;
      display: flex;
      align-items: center;
      justify-content: space-between;
      z-index: 1;
    }

    .region-tag {
      display: inline-flex;
      align-items: center;
      gap: 6px;
      padding: 6px 10px;
      border-radius: 999px;
      background: rgba(16,16,18,.55);
      border: 1px solid rgba(255,255,255,.12);
      color: var(--text);
      font-size: 12px;
      font-weight: 750;
    }

    .status-text {
      color: var(--amber);
      font-size: 12px;
      font-weight: 750;
    }

    .card-overlay {
      position: absolute;
      left: 0;
      right: 0;
      bottom: 0;
      min-height: 42%;
      padding: 20px;
      z-index: 1;
      background: linear-gradient(180deg, rgba(16,16,18,.35), rgba(16,16,18,.96) 44%);
      transition: min-height var(--ease), background var(--ease);
    }

    .portal-card:hover .card-overlay {
      min-height: 58%;
      background: linear-gradient(180deg, rgba(16,16,18,.20), rgba(16,16,18,.98) 36%);
    }

    .card-overlay h4 {
      margin: 0 0 8px;
      color: var(--text);
      font-size: 18px;
      line-height: 1.35;
      letter-spacing: -.02em;
    }

    .card-overlay p {
      margin: 0 0 12px;
      color: var(--muted);
      font-size: 14px;
      line-height: 1.65;
    }

    .mini-tags {
      display: flex;
      flex-wrap: wrap;
      gap: 7px;
    }

    .mini-tags span {
      padding: 4px 8px;
      border-radius: 999px;
      color: #1c1216;
      background: rgba(255,184,107,.86);
      font-size: 12px;
      font-weight: 760;
    }

    .compare-grid {
      display: grid;
      grid-template-columns: 0.82fr 1.18fr;
      gap: 24px;
      align-items: start;
    }

    .quote-card {
      position: sticky;
      top: 104px;
      padding: 28px;
      border-radius: 26px;
      background: linear-gradient(145deg, #2b272e, #1d1b20);
      border: 1px solid var(--line);
      box-shadow: var(--shadow);
    }

    .quote-card h2 {
      font-size: clamp(1.55rem, 3vw, 2.1rem);
      line-height: 1.2;
      letter-spacing: -.04em;
      margin-bottom: 14px;
    }

    .quote-card p {
      color: var(--muted);
      margin-bottom: 18px;
    }

    .quote-note {
      padding: 16px;
      border-left: 3px solid var(--accent);
      border-radius: 0 16px 16px 0;
      background: rgba(239,166,166,.09);
      color: var(--text);
      font-size: 14px;
    }

    .compare-list {
      display: grid;
      gap: 14px;
    }

    .compare-row {
      display: grid;
      grid-template-columns: 150px 1fr 1fr;
      gap: 14px;
      align-items: stretch;
      padding: 14px;
      border-radius: 22px;
      border: 1px solid var(--line);
      background: rgba(255,255,255,.045);
      transition: background var(--ease), transform var(--ease), border-color var(--ease);
    }

    .compare-row:hover {
      background: rgba(255,255,255,.075);
      transform: translateY(-2px);
      border-color: rgba(255,184,107,.22);
    }

    .compare-dim {
      color: var(--amber);
      font-weight: 820;
      display: flex;
      align-items: center;
    }

    .compare-box {
      padding: 14px;
      border-radius: 16px;
      background: rgba(0,0,0,.18);
      color: var(--muted);
      font-size: 14px;
    }

    .compare-box strong {
      display: block;
      color: var(--text);
      margin-bottom: 4px;
      font-size: 15px;
    }

    .light-grid {
      display: grid;
      grid-template-columns: 270px 1fr;
      gap: 24px;
      align-items: start;
    }

    .toc-card {
      position: sticky;
      top: 104px;
      padding: 22px;
      border-radius: 24px;
      background: #fffaf4;
      border: 1px solid var(--paper-line);
      box-shadow: var(--soft-shadow);
    }

    .toc-card h3 {
      font-size: 18px;
      margin-bottom: 14px;
    }

    .toc-card a {
      display: flex;
      justify-content: space-between;
      gap: 12px;
      padding: 11px 0;
      border-bottom: 1px solid var(--paper-line);
      color: var(--paper-muted);
      font-weight: 650;
    }

    .toc-card a:last-child {
      border-bottom: 0;
    }

    .toc-card a:hover {
      color: #8d4d61;
      transform: translateX(3px);
    }

    .article-stack {
      display: grid;
      gap: 18px;
    }

    .article-card {
      padding: 26px;
      border-radius: 26px;
      background: #fffaf4;
      border: 1px solid var(--paper-line);
      box-shadow: var(--soft-shadow);
    }

    .article-card h3 {
      display: flex;
      align-items: center;
      gap: 10px;
      font-size: 22px;
      letter-spacing: -.02em;
      margin-bottom: 10px;
    }

    .article-card h3 span {
      width: 31px;
      height: 31px;
      border-radius: 11px;
      display: inline-grid;
      place-items: center;
      color: #231716;
      background: linear-gradient(135deg, var(--accent), var(--amber));
      font-size: 14px;
      font-weight: 850;
    }

    .article-card p {
      color: var(--paper-muted);
      margin-bottom: 12px;
    }

    .article-list {
      display: grid;
      gap: 10px;
      margin: 0;
      padding: 0;
      list-style: none;
    }

    .article-list li {
      position: relative;
      padding-left: 18px;
      color: var(--paper-muted);
    }

    .article-list li::before {
      content: "";
      position: absolute;
      left: 0;
      top: .72em;
      width: 7px;
      height: 7px;
      border-radius: 50%;
      background: #8d4d61;
    }

    .faq-wrap {
      display: grid;
      grid-template-columns: 0.78fr 1.22fr;
      gap: 24px;
      align-items: start;
    }

    .faq-side {
      padding: 26px;
      border-radius: 26px;
      border: 1px solid var(--line);
      background:
        radial-gradient(circle at 88% 10%, rgba(255,184,107,.14), transparent 36%),
        rgba(255,255,255,.045);
    }

    .faq-side h2 {
      font-size: clamp(1.55rem, 3vw, 2.15rem);
      line-height: 1.2;
      letter-spacing: -.04em;
      margin-bottom: 12px;
    }

    .faq-side p {
      color: var(--muted);
      margin-bottom: 0;
    }

    .accordion {
      background: transparent;
    }

    .accordion-item {
      margin-bottom: 12px;
      border: 1px solid var(--line);
      border-radius: 20px;
      background: rgba(255,255,255,.045);
      overflow: hidden;
      transition: border-color var(--ease), background var(--ease);
    }

    .accordion-item.is-active {
      border-color: rgba(239,166,166,.45);
      background: rgba(239,166,166,.06);
    }

    .accordion-title {
      border: 0;
      padding: 18px 48px 18px 18px;
      color: var(--text);
      font-size: 16px;
      font-weight: 750;
      line-height: 1.45;
      background: transparent;
    }

    .accordion-title:hover,
    .accordion-title:focus {
      color: var(--amber);
      background: rgba(255,255,255,.04);
    }

    .accordion-title::before {
      color: var(--amber);
      right: 18px;
      margin-top: -11px;
      font-size: 22px;
    }

    .accordion-content {
      border: 0;
      padding: 0 18px 18px;
      color: var(--muted);
      background: transparent;
      line-height: 1.75;
    }

    .submit-panel {
      position: relative;
      padding: 30px;
      border-radius: 30px;
      border: 1px solid var(--line);
      background:
        radial-gradient(circle at 12% 10%, rgba(139,92,246,.18), transparent 34%),
        linear-gradient(145deg, #242128, #17161a);
      box-shadow: var(--shadow);
      overflow: hidden;
    }

    .submit-panel::after {
      content: "";
      position: absolute;
      right: -80px;
      top: -100px;
      width: 280px;
      height: 280px;
      border-radius: 50%;
      background: radial-gradient(circle, rgba(239,166,166,.2), transparent 66%);
      pointer-events: none;
    }

    .form-card {
      position: relative;
      z-index: 1;
    }

    .field-group {
      margin-bottom: 16px;
    }

    label {
      display: block;
      color: var(--text);
      font-weight: 720;
      margin-bottom: 7px;
      font-size: 14px;
    }

    input[type="text"],
    input[type="email"],
    select,
    textarea {
      width: 100%;
      min-height: 50px;
      border-radius: 16px;
      border: 1px solid rgba(255,255,255,.13);
      background: rgba(255,255,255,.07);
      color: var(--text);
      padding: 12px 14px;
      box-shadow: none;
      transition: border-color var(--ease), box-shadow var(--ease), background var(--ease);
    }

    select {
      color-scheme: dark;
    }

    textarea {
      min-height: 116px;
      resize: vertical;
    }

    input::placeholder,
    textarea::placeholder {
      color: rgba(245,241,234,.45);
    }

    input:hover,
    select:hover,
    textarea:hover {
      border-color: rgba(255,255,255,.24);
      background: rgba(255,255,255,.09);
    }

    input:focus,
    select:focus,
    textarea:focus {
      border-color: rgba(139,92,246,.78);
      box-shadow: 0 0 0 4px rgba(139,92,246,.16);
      background: rgba(255,255,255,.10);
      outline: none;
    }

    .check-row {
      display: flex;
      gap: 10px;
      align-items: flex-start;
      color: var(--muted);
      font-size: 14px;
      margin: 8px 0 18px;
    }

    .check-row input {
      margin-top: 7px;
    }

    .side-notes {
      display: grid;
      gap: 14px;
    }

    .note-card {
      padding: 18px;
      border-radius: 20px;
      border: 1px solid var(--line);
      background: rgba(255,255,255,.045);
    }

    .note-card strong {
      display: block;
      color: var(--amber);
      margin-bottom: 6px;
    }

    .note-card p {
      color: var(--muted);
      margin: 0;
      font-size: 14px;
    }

    .site-footer {
      padding: 58px 0 26px;
      border-top: 1px solid var(--line);
      background:
        radial-gradient(circle at 14% 8%, rgba(139,92,246,.14), transparent 28%),
        #101012;
      color: var(--muted);
    }

    .footer-grid {
      display: grid;
      grid-template-columns: minmax(0, 1.4fr) .7fr .7fr;
      gap: 42px;
      margin-bottom: 34px;
    }

    .footer-brand {
      margin-bottom: 14px;
    }

    .site-footer p {
      max-width: 500px;
      color: var(--muted);
      margin-bottom: 18px;
    }

    .tag-cloud {
      display: flex;
      gap: 8px;
      flex-wrap: wrap;
    }

    .site-footer h3 {
      color: var(--text);
      font-size: 16px;
      margin-bottom: 14px;
    }

    .footer-links {
      display: grid;
      gap: 10px;
    }

    .footer-links a {
      color: var(--muted);
      font-weight: 620;
    }

    .footer-links a:hover {
      color: var(--amber);
      transform: translateX(3px);
    }

    .copyright {
      display: flex;
      align-items: center;
      justify-content: space-between;
      gap: 14px;
      padding-top: 22px;
      border-top: 1px solid var(--line);
      color: rgba(245,241,234,.58);
      font-size: 13px;
    }

    @media (max-width: 1023px) {
      .top-command {
        min-height: 70px;
      }

      .desktop-nav,
      .command-search,
      .nav-actions .btn-secondary {
        display: none;
      }

      .mobile-menu-btn {
        display: inline-grid;
        place-items: center;
      }

      .hero-cover {
        padding-top: 48px;
      }

      .hero-panel {
        padding: 26px;
      }

      .status-grid {
        grid-template-columns: 1fr;
      }

      .section-head,
      .compare-grid,
      .light-grid,
      .faq-wrap {
        grid-template-columns: 1fr;
        display: grid;
      }

      .quote-card,
      .toc-card {
        position: static;
      }

      .compare-row {
        grid-template-columns: 1fr;
      }

      .footer-grid {
        grid-template-columns: 1fr 1fr;
      }
    }

    @media (max-width: 640px) {
      .site-container {
        width: min(calc(100% - 24px), var(--container));
      }

      .brand span:last-child {
        font-size: 15px;
      }

      .brand-mark {
        width: 34px;
        height: 34px;
        border-radius: 12px;
      }

      .nav-actions .btn-primary {
        min-height: 38px;
        padding: 10px 12px;
        font-size: 13px;
      }

      .hero-cover {
        padding: 34px 0 34px;
      }

      .hero-panel,
      .submit-panel {
        padding: 20px;
        border-radius: 24px;
      }

      .hero-actions .btn,
      .form-card .btn {
        width: 100%;
      }

      .section {
        padding: 56px 0;
      }

      .section-head {
        gap: 12px;
      }

      .filter-line {
        align-items: stretch;
      }

      .filter-search,
      .filter-pill {
        width: 100%;
        justify-content: center;
      }

      .track-title-row {
        display: block;
      }

      .scroll-hint {
        display: inline-block;
        margin-top: 6px;
      }

      .portal-card {
        flex-basis: 82vw;
        min-height: 250px;
      }

      .article-card {
        padding: 20px;
        border-radius: 22px;
      }

      .footer-grid {
        grid-template-columns: 1fr;
        gap: 26px;
      }

      .copyright {
        flex-direction: column;
        align-items: flex-start;
      }
    }
