/* roulang page: index */
:root{
      --bg:#07111F;
      --bg-2:#081827;
      --bg-3:#0B1020;
      --card:rgba(15,30,50,.62);
      --card-2:rgba(12,24,42,.82);
      --line:rgba(148,163,184,.18);
      --line-2:rgba(96,165,250,.24);
      --text:#E5EEF9;
      --muted:#9FB3C8;
      --soft:#6F8195;
      --blue:#3B82F6;
      --cyan:#38BDF8;
      --pink:#F472B6;
      --violet:#A78BFA;
      --gold:#FBBF24;
      --shadow:0 18px 60px rgba(0,0,0,.38);
      --shadow-soft:0 10px 28px rgba(8, 24, 39, .34);
      --radius-xl:30px;
      --radius-lg:22px;
      --radius-md:16px;
      --radius-sm:12px;
      --container:1200px;
      --gap:24px;
      --trans:.28s cubic-bezier(.2,.8,.2,1);
    }
    *,*::before,*::after{box-sizing:border-box}
    html{scroll-behavior:smooth}
    body{
      margin:0;
      background:
        radial-gradient(900px 500px at 12% 10%, rgba(59,130,246,.18), transparent 60%),
        radial-gradient(700px 400px at 88% 14%, rgba(168,85,247,.14), transparent 58%),
        radial-gradient(620px 420px at 76% 68%, rgba(244,114,182,.12), transparent 54%),
        linear-gradient(180deg, #06101D 0%, #07111F 35%, #081827 100%);
      color:var(--text);
      font-family:"PingFang SC","Microsoft YaHei","Noto Sans SC","Helvetica Neue",Arial,sans-serif;
      line-height:1.7;
      min-height:100vh;
      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,.03) 1px, transparent 1px);
      background-size:46px 46px;
      mask-image:linear-gradient(180deg, rgba(0,0,0,.55), transparent 88%);
      opacity:.28;
      z-index:0;
    }
    a{color:inherit;text-decoration:none}
    img{max-width:100%;display:block}
    button,input,textarea,select{font:inherit}
    ::selection{background:rgba(59,130,246,.35);color:#fff}
    .site-shell{position:relative;z-index:1}
    .container-wide{width:min(var(--container), calc(100% - 32px)); margin:0 auto}
    .section{padding:84px 0}
    .section.tight{padding:68px 0}
    .section.more-tight{padding:56px 0}
    .eyebrow{
      display:inline-flex; align-items:center; gap:8px;
      padding:8px 14px;
      border:1px solid var(--line);
      border-radius:999px;
      background:rgba(10,20,34,.55);
      color:#CDE3FB;
      font-size:13px;
      letter-spacing:.02em;
      box-shadow:inset 0 1px 0 rgba(255,255,255,.06);
    }
    .eyebrow .dot{
      width:8px;height:8px;border-radius:50%;
      background:linear-gradient(135deg,var(--cyan),var(--violet));
      box-shadow:0 0 0 4px rgba(56,189,248,.12);
    }
    .glass{
      background:linear-gradient(180deg, rgba(18,35,57,.76), rgba(12,24,42,.58));
      border:1px solid var(--line);
      box-shadow:var(--shadow-soft);
      backdrop-filter:blur(20px);
      -webkit-backdrop-filter:blur(20px);
    }
    .glass-strong{
      background:linear-gradient(180deg, rgba(20,39,64,.84), rgba(10,20,34,.74));
      border:1px solid rgba(120,170,255,.18);
      box-shadow:var(--shadow);
      backdrop-filter:blur(20px);
      -webkit-backdrop-filter:blur(20px);
    }
    .glow-line{
      position:relative;
    }
    .glow-line::before{
      content:"";
      position:absolute;
      left:0;right:0;top:0;
      height:1px;
      background:linear-gradient(90deg, transparent, rgba(96,165,250,.8), rgba(168,85,247,.55), transparent);
      opacity:.95;
    }
    .site-dock{
      position:sticky;
      top:18px;
      z-index:40;
      padding:14px 0 0;
      pointer-events:none;
    }
    .dock-inner{
      pointer-events:auto;
      width:min(var(--container), calc(100% - 22px));
      margin:0 auto;
      border-radius:999px;
      padding:12px 16px;
      display:flex;
      align-items:center;
      gap:16px;
      justify-content:space-between;
      overflow:hidden;
    }
    .dock-brand{
      display:flex;
      align-items:center;
      gap:12px;
      flex:0 0 auto;
      min-width:0;
    }
    .brand-mark{
      width:42px;height:42px;border-radius:14px;
      background:linear-gradient(145deg, rgba(59,130,246,.95), rgba(56,189,248,.7), rgba(167,139,250,.72));
      display:grid;place-items:center;
      box-shadow:0 14px 34px rgba(59,130,246,.25), inset 0 1px 0 rgba(255,255,255,.15);
      flex:0 0 auto;
    }
    .brand-mark svg{width:22px;height:22px;fill:#fff}
    .brand-text{
      display:flex;flex-direction:column;line-height:1.15;min-width:0;
    }
    .brand-text strong{
      font-size:16px;
      letter-spacing:.01em;
      white-space:nowrap;
    }
    .brand-text span{
      font-size:12px;color:var(--muted);white-space:nowrap;
    }
    .dock-nav{
      flex:1 1 auto;
      display:flex;
      justify-content:center;
      gap:8px;
      min-width:0;
    }
    .dock-nav a{
      position:relative;
      display:inline-flex;
      align-items:center;
      justify-content:center;
      padding:10px 16px;
      border-radius:999px;
      color:#DCEAF9;
      font-size:14px;
      white-space:nowrap;
      border:1px solid transparent;
      transition:transform var(--trans), background var(--trans), box-shadow var(--trans), color var(--trans), border-color var(--trans);
    }
    .dock-nav a:hover,
    .dock-nav a:focus{
      background:rgba(59,130,246,.12);
      border-color:rgba(96,165,250,.24);
      box-shadow:0 10px 24px rgba(59,130,246,.12);
      transform:translateY(-1px);
      color:#fff;
      outline:none;
    }
    .dock-nav a.active{
      background:linear-gradient(135deg, rgba(59,130,246,.26), rgba(168,85,247,.18));
      border-color:rgba(96,165,250,.28);
      box-shadow:0 0 0 1px rgba(96,165,250,.08), 0 12px 30px rgba(59,130,246,.12);
    }
    .dock-nav a.active::after{
      content:"";
      position:absolute;
      bottom:7px;
      width:5px;height:5px;border-radius:50%;
      background:linear-gradient(135deg,var(--cyan),var(--violet));
      box-shadow:0 0 16px rgba(56,189,248,.7);
    }
    .dock-action{
      flex:0 0 auto;
      display:flex;
      align-items:center;
      gap:10px;
    }
    .pill-btn{
      display:inline-flex;
      align-items:center;
      justify-content:center;
      gap:8px;
      border-radius:999px;
      padding:11px 16px;
      border:1px solid rgba(96,165,250,.22);
      color:#fff;
      font-weight:600;
      font-size:14px;
      transition:transform var(--trans), box-shadow var(--trans), background var(--trans), border-color var(--trans), opacity var(--trans);
      cursor:pointer;
      white-space:nowrap;
      outline:none;
    }
    .pill-btn:hover,
    .pill-btn:focus{
      transform:translateY(-1px);
      color:#fff;
      outline:none;
    }
    .pill-btn.primary{
      background:linear-gradient(135deg, #3B82F6 0%, #38BDF8 100%);
      box-shadow:0 18px 28px rgba(59,130,246,.2), 0 0 0 1px rgba(255,255,255,.08) inset;
    }
    .pill-btn.primary:hover{box-shadow:0 22px 34px rgba(59,130,246,.24), 0 0 20px rgba(56,189,248,.22)}
    .pill-btn.secondary{
      background:rgba(10,20,34,.36);
      border-color:rgba(148,163,184,.18);
      backdrop-filter:blur(14px);
      -webkit-backdrop-filter:blur(14px);
    }
    .pill-btn.secondary:hover{background:rgba(16,32,54,.56); border-color:rgba(96,165,250,.34); box-shadow:0 14px 26px rgba(0,0,0,.18)}
    .pill-btn:active{transform:translateY(0)}
    .pill-btn:focus-visible,
    .dock-nav a:focus-visible,
    input:focus-visible,
    textarea:focus-visible,
    select:focus-visible{
      outline:2px solid rgba(56,189,248,.9);
      outline-offset:2px;
    }
    .hero{
      padding:28px 0 38px;
    }
    .hero-panel{
      position:relative;
      border-radius:34px;
      overflow:hidden;
      padding:34px;
      background:
        radial-gradient(900px 360px at 16% 10%, rgba(59,130,246,.18), transparent 50%),
        radial-gradient(780px 360px at 88% 16%, rgba(244,114,182,.16), transparent 46%),
        linear-gradient(180deg, rgba(15,30,50,.8), rgba(9,18,34,.72));
      border:1px solid rgba(148,163,184,.16);
      box-shadow:var(--shadow);
    }
    .hero-panel::after{
      content:"";
      position:absolute;
      inset:0;
      background:
        linear-gradient(120deg, rgba(255,255,255,.06), transparent 35%),
        linear-gradient(180deg, transparent, rgba(255,255,255,.03));
      pointer-events:none;
    }
    .hero-grid{
      position:relative;
      display:grid;
      grid-template-columns:1.18fr .82fr;
      gap:28px;
      align-items:center;
      z-index:1;
    }
    .breadcrumb{
      display:flex;
      flex-wrap:wrap;
      align-items:center;
      gap:8px;
      color:var(--muted);
      font-size:13px;
      margin-bottom:16px;
    }
    .breadcrumb a{color:#C9D9EA}
    .breadcrumb a:hover{color:#fff}
    .breadcrumb span.sep{opacity:.42}
    h1,h2,h3,p{margin:0}
    h1{
      font-size:clamp(34px, 5vw, 58px);
      line-height:1.15;
      letter-spacing:-.02em;
      margin-bottom:18px;
    }
    h2{
      font-size:clamp(28px, 3.4vw, 38px);
      line-height:1.18;
      margin-bottom:14px;
      letter-spacing:-.015em;
    }
    h3{
      font-size:22px;
      line-height:1.22;
      margin-bottom:10px;
    }
    .lead{
      color:#D6E5F5;
      font-size:18px;
      line-height:1.88;
      max-width:60ch;
    }
    .lead strong{
      color:#fff;
      font-weight:700;
    }
    .hero-actions{
      display:flex;
      gap:14px;
      flex-wrap:wrap;
      margin-top:24px;
    }
    .mini-tags{
      display:flex;
      gap:10px;
      flex-wrap:wrap;
      margin-top:24px;
    }
    .tag{
      display:inline-flex;
      align-items:center;
      gap:7px;
      padding:8px 12px;
      border-radius:999px;
      border:1px solid rgba(148,163,184,.18);
      background:rgba(255,255,255,.03);
      color:#D9E8F8;
      font-size:13px;
      white-space:nowrap;
    }
    .tag i{
      width:8px;height:8px;border-radius:50%;
      background:var(--cyan);
      box-shadow:0 0 0 4px rgba(56,189,248,.12);
      display:inline-block;
    }
    .signal-panel{
      border-radius:28px;
      padding:22px;
      background:linear-gradient(180deg, rgba(10,20,34,.72), rgba(18,35,57,.58));
      border:1px solid rgba(148,163,184,.16);
      position:relative;
      overflow:hidden;
    }
    .signal-panel::before{
      content:"";
      position:absolute;
      inset:-1px;
      background:linear-gradient(135deg, rgba(56,189,248,.2), transparent 45%, rgba(244,114,182,.16));
      opacity:.34;
      pointer-events:none;
    }
    .signal-head{
      display:flex;
      justify-content:space-between;
      align-items:flex-start;
      gap:14px;
      margin-bottom:16px;
      position:relative;
      z-index:1;
    }
    .signal-head strong{
      font-size:18px;
      display:block;
      margin-bottom:4px;
    }
    .signal-head span{color:var(--muted);font-size:13px}
    .state-badge{
      display:inline-flex;
      align-items:center;
      gap:7px;
      padding:8px 11px;
      border-radius:999px;
      border:1px solid rgba(34,197,94,.22);
      background:rgba(34,197,94,.08);
      color:#CFF4DD;
      font-size:12px;
      white-space:nowrap;
      flex:0 0 auto;
    }
    .state-badge .pulse{
      width:8px;height:8px;border-radius:50%;
      background:#4ADE80;
      box-shadow:0 0 0 5px rgba(74,222,128,.12);
    }
    .info-grid{
      display:grid;
      grid-template-columns:repeat(2, minmax(0, 1fr));
      gap:14px;
      position:relative;
      z-index:1;
    }
    .info-card{
      padding:16px;
      border-radius:20px;
      background:rgba(6,12,22,.28);
      border:1px solid rgba(148,163,184,.14);
      min-height:102px;
    }
    .info-card .label{
      color:var(--muted);
      font-size:12px;
      margin-bottom:7px;
      display:flex;
      align-items:center;
      gap:8px;
    }
    .info-card .label .mini-dot{
      width:7px;height:7px;border-radius:50%;
      background:linear-gradient(135deg,var(--pink),var(--violet));
      box-shadow:0 0 0 4px rgba(244,114,182,.12);
      display:inline-block;
    }
    .info-card strong{
      display:block;
      font-size:17px;
      margin-bottom:6px;
    }
    .info-card p{
      color:var(--muted);
      font-size:13px;
      line-height:1.7;
    }
    .floating-note{
      margin-top:14px;
      display:flex;
      align-items:center;
      gap:12px;
      padding:13px 15px;
      border-radius:18px;
      background:linear-gradient(135deg, rgba(59,130,246,.14), rgba(168,85,247,.08));
      border:1px solid rgba(96,165,250,.18);
      color:#DDEAF8;
      font-size:13px;
      position:relative;
      z-index:1;
    }
    .floating-note svg{width:18px;height:18px;flex:0 0 auto;fill:#8CD9FF}
    .panel-grid{
      display:grid;
      grid-template-columns:1.35fr .65fr .65fr;
      gap:18px;
      align-items:stretch;
    }
    .feature-board{
      display:flex;
      flex-direction:column;
      gap:18px;
    }
    .feature-card{
      border-radius:28px;
      padding:24px;
      position:relative;
      overflow:hidden;
      background:linear-gradient(180deg, rgba(15,30,50,.74), rgba(9,18,34,.58));
      border:1px solid rgba(148,163,184,.16);
      box-shadow:var(--shadow-soft);
      transition:transform var(--trans), border-color var(--trans), box-shadow var(--trans), background var(--trans);
      height:100%;
    }
    .feature-card:hover{
      transform:translateY(-3px);
      border-color:rgba(96,165,250,.3);
      box-shadow:0 22px 40px rgba(0,0,0,.34);
    }
    .feature-card .icon{
      width:44px;height:44px;border-radius:14px;
      display:grid;place-items:center;
      margin-bottom:14px;
      background:linear-gradient(135deg, rgba(59,130,246,.22), rgba(56,189,248,.12));
      border:1px solid rgba(96,165,250,.2);
    }
    .feature-card .icon svg{width:22px;height:22px;fill:#91D8FF}
    .feature-card p{
      color:var(--muted);
      font-size:14px;
      line-height:1.8;
    }
    .feature-card .feature-list{
      list-style:none;
      margin:16px 0 0;
      padding:0;
      display:grid;
      gap:10px;
    }
    .feature-card .feature-list li{
      display:flex;
      gap:10px;
      color:#DCEAF9;
      font-size:14px;
      align-items:flex-start;
    }
    .feature-card .feature-list li::before{
      content:"";
      width:8px;height:8px;border-radius:50%;
      background:linear-gradient(135deg,var(--cyan),var(--violet));
      box-shadow:0 0 0 4px rgba(56,189,248,.1);
      margin-top:8px;
      flex:0 0 auto;
    }
    .stat-strip{
      display:grid;
      grid-template-columns:repeat(4, minmax(0,1fr));
      gap:14px;
      margin-top:18px;
    }
    .stat{
      padding:16px;
      border-radius:18px;
      background:rgba(255,255,255,.03);
      border:1px solid rgba(148,163,184,.14);
    }
    .stat strong{
      display:block;
      font-size:24px;
      line-height:1.1;
      margin-bottom:6px;
      letter-spacing:-.02em;
    }
    .stat span{
      color:var(--muted);
      font-size:13px;
    }
    .section-head{
      display:flex;
      justify-content:space-between;
      align-items:flex-end;
      gap:18px;
      margin-bottom:26px;
      flex-wrap:wrap;
    }
    .section-head p{
      color:var(--muted);
      max-width:64ch;
      line-height:1.8;
      font-size:15px;
    }
    .asym-grid{
      display:grid;
      grid-template-columns:1.18fr .82fr;
      gap:18px;
    }
    .stacked-grid{
      display:grid;
      gap:18px;
    }
    .guide-box{
      border-radius:28px;
      padding:24px;
      position:relative;
      overflow:hidden;
    }
    .guide-box h3{margin-bottom:8px}
    .guide-box p{color:var(--muted);font-size:14px;line-height:1.85}
    .guide-row{
      display:grid;
      grid-template-columns:1.1fr .9fr;
      gap:18px;
      margin-top:18px;
    }
    .compact-card{
      border-radius:24px;
      padding:20px;
      background:rgba(255,255,255,.03);
      border:1px solid rgba(148,163,184,.14);
      min-height:100%;
    }
    .compact-card .title-line{
      display:flex;align-items:center;justify-content:space-between;gap:10px;margin-bottom:12px;
    }
    .compact-card .title-line strong{font-size:18px}
    .marker{
      display:inline-flex;
      align-items:center;
      gap:6px;
      color:#CFE5FA;
      font-size:12px;
      padding:7px 10px;
      border-radius:999px;
      border:1px solid rgba(148,163,184,.16);
      background:rgba(10,20,34,.36);
    }
    .marker .k{
      width:7px;height:7px;border-radius:50%;
      background:var(--gold);
      box-shadow:0 0 0 4px rgba(251,191,36,.12);
      display:inline-block;
    }
    .dash-list{
      list-style:none;
      padding:0;
      margin:0;
      display:grid;
      gap:12px;
    }
    .dash-list li{
      display:flex;
      gap:12px;
      align-items:flex-start;
      padding:12px 0;
      border-top:1px solid rgba(148,163,184,.12);
    }
    .dash-list li:first-child{border-top:none;padding-top:0}
    .dash-idx{
      width:28px;height:28px;border-radius:10px;
      display:grid;place-items:center;
      background:linear-gradient(135deg, rgba(59,130,246,.22), rgba(168,85,247,.16));
      border:1px solid rgba(96,165,250,.18);
      color:#DBEEFF;
      font-weight:700;
      font-size:13px;
      flex:0 0 auto;
    }
    .dash-list strong{display:block;font-size:15px;margin-bottom:4px}
    .dash-list span{display:block;color:var(--muted);font-size:13px;line-height:1.8}
    .comparison{
      border-radius:28px;
      overflow:hidden;
      border:1px solid rgba(148,163,184,.16);
      background:linear-gradient(180deg, rgba(15,30,50,.62), rgba(10,20,34,.52));
    }
    .comparison-header{
      padding:20px 22px;
      border-bottom:1px solid rgba(148,163,184,.12);
      display:flex;
      justify-content:space-between;
      gap:12px;
      align-items:center;
      flex-wrap:wrap;
    }
    .comparison-header strong{font-size:18px}
    .comparison-header span{color:var(--muted);font-size:13px}
    .comparison-grid{
      display:grid;
      grid-template-columns:repeat(3, minmax(0,1fr));
    }
    .plan{
      padding:22px;
      border-right:1px solid rgba(148,163,184,.12);
      min-height:100%;
    }
    .plan:last-child{border-right:none}
    .plan .plan-tag{
      display:inline-flex;
      align-items:center;
      gap:7px;
      padding:7px 11px;
      border-radius:999px;
      border:1px solid rgba(148,163,184,.16);
      background:rgba(255,255,255,.03);
      color:#DCEAF9;
      font-size:12px;
      margin-bottom:14px;
    }
    .plan .plan-tag .p{width:7px;height:7px;border-radius:50%;background:var(--cyan);box-shadow:0 0 0 4px rgba(56,189,248,.12)}
    .plan .price{
      font-size:24px;
      font-weight:800;
      letter-spacing:-.02em;
      margin-bottom:6px;
    }
    .plan .price small{font-size:13px;color:var(--muted);font-weight:500}
    .plan ul{
      list-style:none;
      margin:14px 0 0;
      padding:0;
      display:grid;
      gap:10px;
    }
    .plan li{
      display:flex;
      gap:10px;
      color:#DDEAF8;
      font-size:14px;
      line-height:1.7;
    }
    .plan li::before{
      content:"";
      width:8px;height:8px;border-radius:50%;
      background:linear-gradient(135deg,var(--cyan),var(--violet));
      box-shadow:0 0 0 4px rgba(56,189,248,.1);
      margin-top:7px;
      flex:0 0 auto;
    }
    .plan .plan-actions{margin-top:18px}
    .timeline{
      display:grid;
      gap:14px;
    }
    .step{
      display:grid;
      grid-template-columns:58px 1fr;
      gap:14px;
      padding:18px;
      border-radius:22px;
      background:rgba(255,255,255,.03);
      border:1px solid rgba(148,163,184,.14);
      align-items:flex-start;
    }
    .step .num{
      width:58px;height:58px;border-radius:18px;
      display:grid;place-items:center;
      font-size:20px;
      font-weight:800;
      background:linear-gradient(135deg, rgba(59,130,246,.24), rgba(244,114,182,.14));
      border:1px solid rgba(96,165,250,.18);
      color:#fff;
      box-shadow:0 12px 24px rgba(59,130,246,.08);
    }
    .step strong{display:block;font-size:16px;margin-bottom:5px}
    .step p{color:var(--muted);font-size:14px;line-height:1.8}
    .faq-wrap{
      border-radius:28px;
      overflow:hidden;
      border:1px solid rgba(148,163,184,.16);
      background:linear-gradient(180deg, rgba(15,30,50,.64), rgba(10,20,34,.5));
    }
    .accordion{
      margin:0;
      background:transparent;
      border:none;
    }
    .accordion-title{
      color:var(--text);
      font-size:16px;
      line-height:1.5;
      padding:18px 22px;
      border-bottom:1px solid rgba(148,163,184,.1);
      background:transparent;
      transition:background var(--trans), color var(--trans);
    }
    .accordion-title:hover{background:rgba(59,130,246,.08);color:#fff}
    .accordion-title::before{
      margin-top:-2px;
      border-color:#CDE4F9 transparent transparent;
    }
    .accordion-content{
      color:var(--muted);
      font-size:14px;
      line-height:1.86;
      padding:0 22px 18px;
      background:rgba(255,255,255,.015);
      border-bottom:1px solid rgba(148,163,184,.1);
    }
    .accordion-item:last-child .accordion-title,
    .accordion-item:last-child .accordion-content{border-bottom:none}
    .bottom-cta{
      border-radius:32px;
      padding:30px;
      background:
        radial-gradient(540px 260px at 18% 20%, rgba(59,130,246,.2), transparent 52%),
        radial-gradient(520px 220px at 84% 16%, rgba(244,114,182,.16), transparent 48%),
        linear-gradient(135deg, rgba(15,30,50,.9), rgba(9,18,34,.78));
      border:1px solid rgba(96,165,250,.18);
      box-shadow:var(--shadow);
      display:flex;
      justify-content:space-between;
      gap:24px;
      align-items:center;
      flex-wrap:wrap;
    }
    .bottom-cta p{
      color:#D4E5F7;
      margin-top:10px;
      line-height:1.85;
      max-width:62ch;
    }
    .footer{
      padding:44px 0 34px;
      border-top:1px solid rgba(148,163,184,.12);
      background:linear-gradient(180deg, rgba(6,12,22,.4), rgba(6,12,22,.72));
      margin-top:50px;
    }
    .footer-grid{
      display:grid;
      grid-template-columns:1.1fr .7fr .7fr 1fr;
      gap:20px;
      align-items:flex-start;
    }
    .footer h4{
      font-size:15px;
      margin-bottom:14px;
      color:#EEF6FF;
    }
    .footer p,.footer a,.footer li{
      color:var(--muted);
      font-size:14px;
      line-height:1.8;
    }
    .footer a:hover{color:#fff}
    .footer ul{
      list-style:none;
      margin:0;
      padding:0;
      display:grid;
      gap:8px;
    }
    .footer .brand-bloc{
      display:flex;
      flex-direction:column;
      gap:14px;
    }
    .footer .copyright{
      margin-top:22px;
      padding-top:18px;
      border-top:1px solid rgba(148,163,184,.1);
      color:#8092A7;
      font-size:13px;
      display:flex;
      justify-content:space-between;
      gap:12px;
      flex-wrap:wrap;
    }
    .mobile-only{display:none}
    .chip-row{
      display:flex;
      flex-wrap:wrap;
      gap:10px;
      margin-top:14px;
    }
    .chip{
      display:inline-flex;
      align-items:center;
      gap:8px;
      padding:8px 11px;
      border-radius:999px;
      background:rgba(255,255,255,.03);
      border:1px solid rgba(148,163,184,.14);
      color:#DCEAF8;
      font-size:13px;
    }
    .chip b{
      color:#fff;
      font-weight:700;
    }
    .right-slim{
      border-radius:24px;
      padding:20px;
      background:rgba(255,255,255,.03);
      border:1px solid rgba(148,163,184,.14);
      height:100%;
    }
    .right-slim h3{font-size:20px}
    .right-slim .tiny{
      color:var(--muted);
      font-size:13px;
      line-height:1.8;
    }
    .search-plate{
      margin-top:18px;
      display:flex;
      gap:10px;
      align-items:center;
      flex-wrap:wrap;
    }
    .search-plate input{
      flex:1 1 240px;
      min-width:0;
      height:48px;
      border-radius:999px;
      padding:0 18px;
      border:1px solid rgba(148,163,184,.2);
      background:rgba(6,12,22,.42);
      color:#fff;
      box-shadow:inset 0 1px 0 rgba(255,255,255,.04);
    }
    .search-plate input::placeholder{color:#7F92A7}
    .search-plate button{
      height:48px;
      border:none;
      padding:0 18px;
    }
    .notice{
      margin-top:18px;
      padding:16px;
      border-radius:20px;
      background:rgba(96,165,250,.08);
      border:1px solid rgba(96,165,250,.18);
      color:#DCEAF8;
      font-size:13px;
      line-height:1.8;
    }
    .tabs-shell{
      display:grid;
      grid-template-columns:1fr 1fr;
      gap:18px;
    }
    .split-callout{
      display:grid;
      grid-template-columns:1fr;
      gap:18px;
    }
    .metric-card{
      display:flex;
      align-items:flex-start;
      justify-content:space-between;
      gap:14px;
      padding:20px;
      border-radius:22px;
      background:rgba(255,255,255,.03);
      border:1px solid rgba(148,163,184,.14);
    }
    .metric-card strong{display:block;font-size:18px;margin-bottom:5px}
    .metric-card span{color:var(--muted);font-size:13px;line-height:1.8}
    .metric{
      min-width:76px;
      text-align:right;
      color:#F5FAFF;
      font-weight:800;
      font-size:28px;
      line-height:1;
    }
    .metric small{
      display:block;
      font-size:12px;
      font-weight:600;
      color:var(--muted);
      margin-top:6px;
    }
    .route{
      border-radius:26px;
      padding:22px;
      background:linear-gradient(180deg, rgba(15,30,50,.72), rgba(10,20,34,.56));
      border:1px solid rgba(148,163,184,.14);
    }
    .route strong{font-size:18px}
    .route p{margin-top:10px;color:var(--muted);font-size:14px;line-height:1.84}
    .route .row{
      margin-top:16px;
      display:flex;
      flex-wrap:wrap;
      gap:10px;
    }
    .route .row .tag{background:rgba(255,255,255,.04)}
    .long-list{
      display:grid;
      gap:12px;
      margin-top:16px;
    }
    .long-item{
      display:flex;
      gap:12px;
      align-items:flex-start;
      padding:13px 0;
      border-top:1px solid rgba(148,163,184,.12);
    }
    .long-item:first-child{border-top:none;padding-top:0}
    .long-item .bullet{
      width:18px;height:18px;border-radius:6px;
      background:linear-gradient(135deg, rgba(59,130,246,.24), rgba(244,114,182,.16));
      border:1px solid rgba(96,165,250,.18);
      margin-top:3px;
      flex:0 0 auto;
    }
    .long-item strong{display:block;font-size:15px;margin-bottom:4px}
    .long-item p{color:var(--muted);font-size:13px;line-height:1.8}
    .tiny-note{
      margin-top:12px;
      font-size:12px;
      color:#87A0B7;
      line-height:1.7;
    }
    @media (max-width: 1180px){
      .hero-grid,.asym-grid,.guide-row,.footer-grid,.panel-grid,.tabs-shell{grid-template-columns:1fr}
      .comparison-grid{grid-template-columns:1fr}
      .plan{border-right:none;border-bottom:1px solid rgba(148,163,184,.12)}
      .plan:last-child{border-bottom:none}
      .stat-strip{grid-template-columns:repeat(2,minmax(0,1fr))}
      .dock-inner{border-radius:26px;gap:10px}
      .dock-nav{justify-content:flex-start;overflow:auto;padding-bottom:4px}
      .dock-nav::-webkit-scrollbar{height:0}
      .dock-action{display:none}
      .footer-grid{grid-template-columns:1fr 1fr}
    }
    @media (max-width: 760px){
      .section{padding:60px 0}
      .section.tight,.section.more-tight{padding:46px 0}
      .hero{padding-top:18px}
      .hero-panel{padding:22px;border-radius:28px}
      .site-dock{top:10px;padding-top:8px}
      .dock-inner{padding:12px 12px}
      .brand-text span{display:none}
      .dock-nav{justify-content:flex-start;gap:6px}
      .dock-nav a{padding:9px 13px;font-size:13px}
      h1{font-size:clamp(32px,8vw,40px)}
      h2{font-size:clamp(24px,6vw,30px)}
      .lead{font-size:16px;line-height:1.84}
      .hero-actions{flex-direction:column}
      .hero-actions .pill-btn{width:100%}
      .info-grid,.stat-strip{grid-template-columns:1fr}
      .signal-head{flex-direction:column;align-items:flex-start}
      .float-note{font-size:12px}
      .feature-card,.guide-box,.route,.right-slim,.comparison,.faq-wrap,.bottom-cta{border-radius:24px}
      .step{grid-template-columns:1fr}
      .step .num{width:48px;height:48px;border-radius:14px;font-size:18px}
      .footer-grid{grid-template-columns:1fr}
      .footer .copyright{flex-direction:column}
      .mobile-only{display:inline-flex}
      .dock-brand{gap:10px}
    }
    @media (max-width: 520px){
      .container-wide{width:min(var(--container), calc(100% - 20px))}
      .hero-panel{padding:18px}
      .brand-mark{width:38px;height:38px}
      .brand-text strong{font-size:15px}
      .feature-card,.compact-card,.metric-card,.route,.right-slim{padding:18px}
      .dock-nav a{padding:8px 11px}
      .accordion-title{padding:16px 18px;font-size:15px}
      .accordion-content{padding:0 18px 16px}
      .bottom-cta{padding:22px}
    }
    @media (prefers-reduced-motion: reduce){
      html{scroll-behavior:auto}
      *,*::before,*::after{animation:none !important;transition:none !important}
    }

/* roulang page: category2 */
:root{
      --bg:#07111F;
      --bg-deep:#050B14;
      --panel:rgba(15,30,50,.58);
      --panel-strong:rgba(10,22,38,.78);
      --panel-soft:rgba(24,43,70,.46);
      --line:rgba(148,163,184,.18);
      --line-bright:rgba(56,189,248,.42);
      --text:#E5EEF9;
      --muted:#9FB3C8;
      --weak:#6F8195;
      --blue:#3B82F6;
      --cyan:#38BDF8;
      --pink:#F472B6;
      --violet:#A78BFA;
      --amber:#FBBF24;
      --green:#34D399;
      --radius-xl:30px;
      --radius-lg:24px;
      --radius-md:18px;
      --radius-sm:14px;
      --shadow:0 24px 80px rgba(0,0,0,.38);
      --glow:0 0 34px rgba(56,189,248,.26);
      --font:PingFang SC,Microsoft YaHei,Noto Sans SC,Helvetica Neue,Arial,sans-serif;
      --mono:ui-monospace,SFMono-Regular,Menlo,Monaco,Consolas,monospace;
    }
    *{box-sizing:border-box}
    html{scroll-behavior:smooth}
    body{
      margin:0;
      font-family:var(--font);
      color:var(--text);
      line-height:1.72;
      background:
        radial-gradient(circle at 15% 8%, rgba(59,130,246,.22), transparent 34%),
        radial-gradient(circle at 84% 18%, rgba(244,114,182,.18), transparent 28%),
        radial-gradient(circle at 45% 100%, rgba(167,139,250,.12), transparent 34%),
        linear-gradient(180deg,#07111F 0%,#081827 48%,#050B14 100%);
      min-height:100vh;
      overflow-x:hidden;
    }
    body:before{
      content:"";
      position:fixed;
      inset:0;
      pointer-events:none;
      background-image:
        linear-gradient(rgba(255,255,255,.025) 1px, transparent 1px),
        linear-gradient(90deg, rgba(255,255,255,.025) 1px, transparent 1px);
      background-size:44px 44px;
      mask-image:linear-gradient(to bottom, rgba(0,0,0,.8), rgba(0,0,0,.05));
      z-index:-2;
    }
    body:after{
      content:"";
      position:fixed;
      inset:0;
      pointer-events:none;
      background:linear-gradient(180deg, transparent 0%, rgba(56,189,248,.035) 50%, transparent 100%);
      background-size:100% 8px;
      opacity:.38;
      z-index:-1;
    }
    a{color:inherit;text-decoration:none;transition:color .2s ease,background .2s ease,border-color .2s ease,transform .2s ease,box-shadow .2s ease}
    img,svg{max-width:100%;display:block}
    button,input{font:inherit}
    button:focus-visible,a:focus-visible,input:focus-visible{
      outline:2px solid rgba(56,189,248,.9);
      outline-offset:4px;
    }
    .container-wide{
      width:min(1200px, calc(100% - 40px));
      margin:0 auto;
    }
    .section{
      padding:86px 0;
      position:relative;
    }
    .section-tight{padding:58px 0}
    .glass-strong{
      background:linear-gradient(180deg, rgba(20,38,62,.82), rgba(8,18,32,.68));
      border:1px solid var(--line);
      box-shadow:var(--shadow), inset 0 1px 0 rgba(255,255,255,.08);
      backdrop-filter:blur(18px);
      -webkit-backdrop-filter:blur(18px);
    }
    .site-dock{
      position:sticky;
      top:18px;
      z-index:50;
      padding:18px 0 0;
    }
    .dock-inner{
      width:min(1180px, calc(100% - 32px));
      margin:0 auto;
      border-radius:999px;
      display:flex;
      align-items:center;
      justify-content:space-between;
      gap:18px;
      padding:10px 12px 10px 14px;
    }
    .dock-brand{
      display:flex;
      align-items:center;
      gap:11px;
      min-width:0;
    }
    .brand-mark{
      width:42px;
      height:42px;
      border-radius:15px;
      display:grid;
      place-items:center;
      color:#DFF7FF;
      flex:0 0 auto;
      background:
        radial-gradient(circle at 30% 20%, rgba(255,255,255,.28), transparent 28%),
        linear-gradient(135deg, rgba(59,130,246,.95), rgba(56,189,248,.72) 52%, rgba(244,114,182,.78));
      box-shadow:0 12px 30px rgba(56,189,248,.22);
    }
    .brand-mark svg{width:25px;height:25px;fill:currentColor}
    .brand-text{display:flex;flex-direction:column;line-height:1.2;min-width:0}
    .brand-text strong{
      font-size:15px;
      letter-spacing:.01em;
      white-space:nowrap;
      overflow:hidden;
      text-overflow:ellipsis;
      max-width:310px;
    }
    .brand-text span{
      color:var(--muted);
      font-size:12px;
      margin-top:3px;
      white-space:nowrap;
    }
    .dock-nav{
      display:flex;
      align-items:center;
      justify-content:center;
      gap:6px;
      padding:4px;
      border-radius:999px;
      background:rgba(3,10,20,.24);
      border:1px solid rgba(148,163,184,.10);
    }
    .dock-nav a{
      position:relative;
      padding:10px 15px;
      border-radius:999px;
      color:var(--muted);
      font-size:14px;
      font-weight:700;
      white-space:nowrap;
    }
    .dock-nav a:hover{
      color:var(--text);
      background:rgba(56,189,248,.10);
      transform:translateY(-1px);
    }
    .dock-nav a.active{
      color:#fff;
      background:linear-gradient(135deg, rgba(59,130,246,.92), rgba(167,139,250,.58));
      box-shadow:0 10px 30px rgba(59,130,246,.28);
    }
    .dock-nav a.active:after{
      content:"";
      position:absolute;
      left:50%;
      bottom:4px;
      width:5px;
      height:5px;
      border-radius:50%;
      background:var(--cyan);
      box-shadow:0 0 10px var(--cyan);
      transform:translateX(-50%);
    }
    .dock-action{
      display:flex;
      align-items:center;
      gap:9px;
      flex:0 0 auto;
    }
    .pill-btn{
      display:inline-flex;
      align-items:center;
      justify-content:center;
      min-height:42px;
      padding:11px 17px;
      border-radius:999px;
      font-size:14px;
      font-weight:800;
      border:1px solid transparent;
      cursor:pointer;
      white-space:nowrap;
    }
    .pill-btn.primary{
      color:#04111F;
      background:linear-gradient(135deg, #38BDF8, #60A5FA 50%, #A78BFA);
      box-shadow:0 14px 35px rgba(56,189,248,.28);
    }
    .pill-btn.secondary{
      color:var(--text);
      background:rgba(255,255,255,.045);
      border-color:var(--line);
    }
    .pill-btn:hover{
      transform:translateY(-2px);
      box-shadow:0 18px 44px rgba(56,189,248,.26);
    }
    .pill-btn.secondary:hover{
      border-color:rgba(56,189,248,.45);
      background:rgba(56,189,248,.10);
    }
    .pill-btn:active{transform:translateY(0) scale(.98)}
    .hero{
      padding:106px 0 60px;
      position:relative;
      overflow:hidden;
    }
    .hero:before{
      content:"";
      position:absolute;
      right:-120px;
      top:30px;
      width:470px;
      height:470px;
      border-radius:50%;
      background:radial-gradient(circle, rgba(56,189,248,.23), rgba(167,139,250,.12) 38%, transparent 70%);
      filter:blur(2px);
      pointer-events:none;
    }
    .breadcrumbs{
      display:flex;
      flex-wrap:wrap;
      align-items:center;
      gap:8px;
      margin-bottom:18px;
      color:var(--weak);
      font-size:14px;
    }
    .breadcrumbs a{color:var(--muted)}
    .breadcrumbs a:hover{color:var(--cyan)}
    .crumb-sep{color:rgba(159,179,200,.45)}
    .eyebrow{
      display:inline-flex;
      align-items:center;
      gap:8px;
      padding:8px 12px;
      border-radius:999px;
      color:#DDF7FF;
      background:rgba(56,189,248,.10);
      border:1px solid rgba(56,189,248,.25);
      font-size:13px;
      font-weight:800;
      margin-bottom:18px;
    }
    .eyebrow .dot{
      width:8px;
      height:8px;
      border-radius:50%;
      background:var(--green);
      box-shadow:0 0 14px rgba(52,211,153,.8);
    }
    h1,h2,h3,h4,p{margin-top:0}
    h1{
      max-width:780px;
      font-size:clamp(34px,5vw,50px);
      line-height:1.15;
      letter-spacing:-.035em;
      margin-bottom:18px;
    }
    .hero-lead{
      max-width:760px;
      color:var(--muted);
      font-size:18px;
      margin-bottom:26px;
    }
    .hero-actions{
      display:flex;
      flex-wrap:wrap;
      gap:12px;
      margin-top:26px;
    }
    .hero-panel{
      position:relative;
      border-radius:var(--radius-xl);
      padding:24px;
      overflow:hidden;
    }
    .hero-panel:before,.card:before,.news-card:before,.timeline:before{
      content:"";
      position:absolute;
      left:20px;
      right:20px;
      top:0;
      height:1px;
      background:linear-gradient(90deg, transparent, rgba(255,255,255,.32), transparent);
    }
    .file-head{
      display:flex;
      justify-content:space-between;
      align-items:flex-start;
      gap:16px;
      margin-bottom:18px;
    }
    .file-code{
      font-family:var(--mono);
      color:var(--cyan);
      font-size:13px;
      letter-spacing:.08em;
    }
    .status-badge{
      display:inline-flex;
      border-radius:999px;
      padding:6px 10px;
      font-size:12px;
      font-weight:800;
      color:#05111D;
      background:linear-gradient(135deg, var(--amber), #FDE68A);
      white-space:nowrap;
    }
    .hero-stat-grid{
      display:grid;
      grid-template-columns:repeat(2, minmax(0,1fr));
      gap:12px;
      margin:18px 0;
    }
    .stat-box{
      padding:15px;
      border-radius:18px;
      border:1px solid rgba(148,163,184,.14);
      background:rgba(255,255,255,.04);
    }
    .stat-box b{
      display:block;
      font-size:23px;
      line-height:1.1;
      color:#fff;
      margin-bottom:6px;
    }
    .stat-box span{font-size:13px;color:var(--muted)}
    .mini-list{
      display:flex;
      flex-direction:column;
      gap:10px;
      margin:0;
      padding:0;
      list-style:none;
    }
    .mini-list li{
      display:flex;
      justify-content:space-between;
      gap:12px;
      padding:11px 12px;
      border:1px solid rgba(148,163,184,.12);
      border-radius:16px;
      background:rgba(3,10,20,.22);
      color:var(--muted);
      font-size:14px;
    }
    .mini-list strong{color:var(--text)}
    .section-head{
      display:flex;
      align-items:flex-end;
      justify-content:space-between;
      gap:24px;
      margin-bottom:28px;
    }
    .section-head h2{
      font-size:clamp(28px,4vw,38px);
      line-height:1.18;
      letter-spacing:-.025em;
      margin-bottom:8px;
    }
    .section-head p{
      color:var(--muted);
      max-width:670px;
      margin-bottom:0;
    }
    .badge-row{
      display:flex;
      flex-wrap:wrap;
      gap:9px;
    }
    .tag{
      display:inline-flex;
      align-items:center;
      gap:6px;
      padding:7px 10px;
      border-radius:999px;
      border:1px solid rgba(148,163,184,.18);
      background:rgba(255,255,255,.045);
      color:var(--muted);
      font-size:13px;
      font-weight:700;
      white-space:nowrap;
    }
    .tag.blue{color:#C9F2FF;border-color:rgba(56,189,248,.30);background:rgba(56,189,248,.10)}
    .tag.pink{color:#FFD9EF;border-color:rgba(244,114,182,.30);background:rgba(244,114,182,.10)}
    .tag.violet{color:#E8DDFF;border-color:rgba(167,139,250,.30);background:rgba(167,139,250,.10)}
    .card,.news-card,.side-card,.topic-card,.index-panel,.cta-band{
      position:relative;
      border-radius:var(--radius-lg);
      background:var(--panel);
      border:1px solid var(--line);
      box-shadow:0 18px 55px rgba(0,0,0,.26);
      backdrop-filter:blur(16px);
      -webkit-backdrop-filter:blur(16px);
      overflow:hidden;
      transition:transform .22s ease,border-color .22s ease,background .22s ease,box-shadow .22s ease;
    }
    .card:hover,.news-card:hover,.topic-card:hover,.side-card:hover{
      transform:translateY(-3px);
      border-color:rgba(56,189,248,.34);
      background:rgba(18,37,62,.68);
      box-shadow:0 22px 70px rgba(0,0,0,.32),0 0 28px rgba(56,189,248,.10);
    }
    .timeline{
      position:relative;
      padding:28px;
      border-radius:var(--radius-xl);
      background:linear-gradient(180deg, rgba(15,30,50,.66), rgba(7,17,31,.56));
      border:1px solid var(--line);
      box-shadow:var(--shadow);
      backdrop-filter:blur(16px);
    }
    .timeline-list{
      position:relative;
      display:flex;
      flex-direction:column;
      gap:16px;
      margin:0;
      padding:0;
      list-style:none;
    }
    .timeline-item{
      position:relative;
      display:grid;
      grid-template-columns:90px 1fr;
      gap:18px;
      padding:18px;
      border-radius:20px;
      background:rgba(255,255,255,.04);
      border:1px solid rgba(148,163,184,.13);
    }
    .timeline-item:after{
      content:"";
      position:absolute;
      left:63px;
      top:48px;
      bottom:-17px;
      width:1px;
      background:linear-gradient(to bottom, rgba(56,189,248,.45), transparent);
    }
    .timeline-item:last-child:after{display:none}
    .episode-no{
      font-family:var(--mono);
      font-size:13px;
      color:var(--cyan);
      padding-top:3px;
      letter-spacing:.08em;
    }
    .timeline-item h3{
      font-size:20px;
      margin-bottom:8px;
      letter-spacing:-.01em;
    }
    .timeline-item p{color:var(--muted);margin-bottom:12px}
    .timeline-meta{
      display:flex;
      flex-wrap:wrap;
      gap:8px;
      color:var(--weak);
      font-size:13px;
    }
    .content-layout{
      display:grid;
      grid-template-columns:minmax(0,1fr) 330px;
      gap:28px;
      align-items:start;
    }
    .news-stack{
      display:grid;
      gap:16px;
    }
    .news-card{
      padding:22px;
      display:grid;
      grid-template-columns:130px 1fr auto;
      gap:18px;
      align-items:center;
    }
    .news-date{
      border-radius:18px;
      padding:16px;
      text-align:center;
      background:linear-gradient(180deg, rgba(56,189,248,.12), rgba(167,139,250,.08));
      border:1px solid rgba(56,189,248,.18);
      min-width:0;
    }
    .news-date b{
      display:block;
      color:#fff;
      font-size:24px;
      line-height:1;
      font-family:var(--mono);
    }
    .news-date span{font-size:12px;color:var(--muted)}
    .news-card h3{
      font-size:21px;
      margin-bottom:6px;
    }
    .news-card p{
      color:var(--muted);
      margin-bottom:12px;
    }
    .read-link{
      display:inline-flex;
      align-items:center;
      gap:8px;
      color:#C9F2FF;
      font-weight:800;
      white-space:nowrap;
    }
    .read-link:hover{color:#fff;text-decoration:underline;text-decoration-color:rgba(56,189,248,.65);text-underline-offset:5px}
    .side-rail{
      position:sticky;
      top:106px;
      display:grid;
      gap:16px;
    }
    .side-card{
      padding:20px;
    }
    .side-card h3{
      font-size:18px;
      margin-bottom:12px;
    }
    .side-nav{
      display:grid;
      gap:9px;
    }
    .side-nav a{
      display:flex;
      justify-content:space-between;
      gap:10px;
      padding:11px 12px;
      border-radius:14px;
      color:var(--muted);
      border:1px solid rgba(148,163,184,.11);
      background:rgba(255,255,255,.035);
      font-size:14px;
    }
    .side-nav a:hover{
      color:#fff;
      border-color:rgba(56,189,248,.28);
      background:rgba(56,189,248,.09);
    }
    .topic-strip{
      display:grid;
      grid-template-columns:1.15fr .85fr;
      gap:18px;
    }
    .topic-card{
      min-height:210px;
      padding:24px;
    }
    .topic-card.large{
      min-height:260px;
      background:
        radial-gradient(circle at 18% 10%, rgba(244,114,182,.16), transparent 32%),
        radial-gradient(circle at 88% 20%, rgba(56,189,248,.17), transparent 34%),
        var(--panel);
    }
    .topic-number{
      font-family:var(--mono);
      color:rgba(56,189,248,.88);
      font-size:42px;
      line-height:1;
      margin-bottom:12px;
      letter-spacing:-.06em;
    }
    .topic-card h3{
      font-size:24px;
      line-height:1.25;
      margin-bottom:12px;
    }
    .topic-card p{color:var(--muted);margin-bottom:18px}
    .topic-mini{
      display:grid;
      gap:18px;
    }
    .index-panel{
      padding:26px;
    }
    .index-grid{
      display:grid;
      grid-template-columns:repeat(4, minmax(0,1fr));
      gap:12px;
      margin-top:18px;
    }
    .index-item{
      padding:17px;
      border-radius:18px;
      border:1px solid rgba(148,163,184,.13);
      background:rgba(255,255,255,.04);
    }
    .index-item b{
      display:block;
      font-family:var(--mono);
      color:var(--cyan);
      margin-bottom:8px;
    }
    .index-item span{
      display:block;
      color:var(--text);
      font-weight:800;
      margin-bottom:5px;
    }
    .index-item p{
      font-size:14px;
      color:var(--muted);
      margin:0;
    }
    .notice-line{
      margin-top:18px;
      padding:15px 16px;
      border-radius:18px;
      background:rgba(251,191,36,.08);
      border:1px solid rgba(251,191,36,.20);
      color:#FFE7A8;
      font-size:14px;
    }
    .accordion{
      background:transparent;
      display:grid;
      gap:12px;
    }
    .accordion-item{
      border-radius:20px!important;
      overflow:hidden;
      border:1px solid var(--line);
      background:rgba(15,30,50,.52);
      backdrop-filter:blur(12px);
    }
    .accordion-title{
      border:0!important;
      background:transparent!important;
      color:var(--text)!important;
      font-size:16px;
      font-weight:900;
      padding:18px 52px 18px 20px;
    }
    .accordion-title:hover,.accordion-title:focus{
      background:rgba(56,189,248,.08)!important;
    }
    .accordion-title:before{color:var(--cyan);font-size:22px;margin-top:-13px}
    .accordion-content{
      border:0!important;
      background:rgba(255,255,255,.025)!important;
      color:var(--muted)!important;
      padding:0 20px 19px;
    }
    .cta-band{
      padding:32px;
      display:flex;
      justify-content:space-between;
      align-items:center;
      gap:24px;
      background:
        radial-gradient(circle at 12% 10%, rgba(56,189,248,.22), transparent 34%),
        radial-gradient(circle at 88% 30%, rgba(244,114,182,.15), transparent 30%),
        linear-gradient(135deg, rgba(15,30,50,.74), rgba(8,18,32,.80));
    }
    .cta-band h2{
      font-size:30px;
      margin-bottom:9px;
    }
    .cta-band p{
      color:var(--muted);
      margin-bottom:0;
      max-width:720px;
    }
    .footer{
      padding:54px 0 26px;
      background:linear-gradient(180deg, rgba(5,11,20,.12), rgba(5,11,20,.88));
      border-top:1px solid rgba(148,163,184,.14);
    }
    .footer-grid{
      display:grid;
      grid-template-columns:1.45fr .75fr .75fr 1fr;
      gap:28px;
      align-items:start;
    }
    .brand-bloc p{
      color:var(--muted);
      margin:16px 0 0;
      max-width:430px;
      font-size:14px;
    }
    .footer h4{
      color:#fff;
      font-size:15px;
      margin-bottom:13px;
    }
    .footer ul{
      list-style:none;
      margin:0;
      padding:0;
      display:grid;
      gap:9px;
    }
    .footer a{
      color:var(--muted);
      font-size:14px;
    }
    .footer a:hover{color:var(--cyan)}
    .footer p{color:var(--muted);font-size:14px;margin:0}
    .copyright{
      margin-top:30px;
      padding-top:18px;
      border-top:1px solid rgba(148,163,184,.12);
      display:flex;
      justify-content:space-between;
      gap:14px;
      flex-wrap:wrap;
      color:var(--weak);
      font-size:13px;
    }
    @media (max-width:1024px){
      .dock-inner{
        flex-wrap:wrap;
        border-radius:28px;
      }
      .dock-brand{flex:1 1 340px}
      .dock-nav{
        order:3;
        width:100%;
        justify-content:flex-start;
        overflow-x:auto;
        scrollbar-width:none;
      }
      .dock-nav::-webkit-scrollbar{display:none}
      .dock-action{margin-left:auto}
      .content-layout{grid-template-columns:1fr}
      .side-rail{position:static;grid-template-columns:repeat(2,minmax(0,1fr))}
      .index-grid{grid-template-columns:repeat(2,minmax(0,1fr))}
      .footer-grid{grid-template-columns:1fr 1fr}
      .section{padding:70px 0}
    }
    @media (max-width:768px){
      .container-wide{width:min(100% - 28px, 1200px)}
      .site-dock{top:8px;padding-top:8px}
      .dock-inner{width:calc(100% - 18px);padding:10px;border-radius:24px}
      .brand-text strong{max-width:230px;font-size:14px}
      .brand-text span{display:none}
      .dock-action{width:100%;display:grid;grid-template-columns:1fr 1fr}
      .pill-btn{min-height:40px;padding:10px 13px}
      .hero{padding:70px 0 40px}
      .hero-stat-grid{grid-template-columns:1fr}
      .section-head{display:block}
      .section-head .badge-row{margin-top:18px}
      .timeline{padding:18px}
      .timeline-item{grid-template-columns:1fr;gap:8px}
      .timeline-item:after{display:none}
      .news-card{grid-template-columns:1fr;gap:14px}
      .news-date{text-align:left}
      .topic-strip{grid-template-columns:1fr}
      .side-rail{grid-template-columns:1fr}
      .cta-band{display:block}
      .cta-band .hero-actions{margin-top:20px}
      .footer-grid{grid-template-columns:1fr}
      .copyright{display:grid}
    }
    @media (max-width:520px){
      h1{font-size:32px}
      .hero-lead{font-size:16px}
      .hero-actions{display:grid}
      .dock-nav a{padding:9px 12px;font-size:13px}
      .index-grid{grid-template-columns:1fr}
      .topic-card,.index-panel,.cta-band{padding:20px}
      .section{padding:54px 0}
      .brand-mark{width:38px;height:38px;border-radius:14px}
    }
    @media (prefers-reduced-motion:reduce){
      *,*:before,*:after{
        animation-duration:.01ms!important;
        animation-iteration-count:1!important;
        scroll-behavior:auto!important;
        transition-duration:.01ms!important;
      }
    }

/* roulang page: category1 */
:root{
  --bg:#07111f;--bg-soft:#0b1829;--panel:rgba(15,30,50,.68);--panel-strong:rgba(12,27,47,.9);
  --line:rgba(148,163,184,.18);--line-bright:rgba(56,189,248,.45);--text:#e8f1fb;
  --muted:#9fb3c8;--faint:#6f8195;--blue:#3b82f6;--cyan:#38bdf8;--purple:#a78bfa;
  --pink:#f472b6;--yellow:#fbbf24;--radius:24px;--shadow:0 20px 70px rgba(0,0,0,.32);
}
*{box-sizing:border-box}html{scroll-behavior:smooth}body{margin:0;background:var(--bg);color:var(--text);font-family:"PingFang SC","Microsoft YaHei","Noto Sans SC","Helvetica Neue",Arial,sans-serif;font-size:16px;line-height:1.7;overflow-x:hidden}
body:before{content:"";position:fixed;inset:0;z-index:-2;background:radial-gradient(circle at 12% 8%,rgba(59,130,246,.2),transparent 30%),radial-gradient(circle at 88% 18%,rgba(167,139,250,.14),transparent 25%),linear-gradient(155deg,#07111f 0%,#081827 52%,#0b1020 100%)}
body:after{content:"";position:fixed;inset:0;z-index:-1;opacity:.16;pointer-events:none;background-image:linear-gradient(rgba(56,189,248,.08) 1px,transparent 1px),linear-gradient(90deg,rgba(56,189,248,.08) 1px,transparent 1px);background-size:48px 48px;mask-image:linear-gradient(to bottom,black,transparent 72%)}
a{color:inherit;text-decoration:none;transition:.25s ease}button,input{font:inherit}ul{margin:0;padding:0;list-style:none}.container-wide{width:min(1220px,calc(100% - 48px));margin:auto}.section{padding:88px 0}.eyebrow,.tag{display:inline-flex;align-items:center;gap:7px;border:1px solid rgba(56,189,248,.28);background:rgba(56,189,248,.08);color:#8ddcff;border-radius:999px;padding:6px 12px;font-size:12px;letter-spacing:.04em}.tag.pink{color:#f9a8d4;border-color:rgba(244,114,182,.3);background:rgba(244,114,182,.08)}.tag.gold{color:#fcd34d;border-color:rgba(251,191,36,.3);background:rgba(251,191,36,.08)}
.glass-strong,.glass-card{background:var(--panel);border:1px solid var(--line);backdrop-filter:blur(18px);-webkit-backdrop-filter:blur(18px);box-shadow:var(--shadow),inset 0 1px 0 rgba(255,255,255,.06)}
.site-dock{position:relative;padding:22px 0 0;z-index:10}.dock-inner{width:min(1180px,calc(100% - 32px));margin:auto;border-radius:22px;padding:10px 14px;display:flex;align-items:center;gap:24px;box-shadow:0 10px 40px rgba(0,0,0,.25),0 0 28px rgba(59,130,246,.08)}
.dock-brand{display:flex;align-items:center;gap:10px;min-width:270px}.brand-mark{width:37px;height:37px;border-radius:12px;display:grid;place-items:center;background:linear-gradient(135deg,var(--blue),var(--purple));box-shadow:0 0 20px rgba(59,130,246,.42)}.brand-mark svg{width:23px;fill:white}.brand-text{display:flex;flex-direction:column;line-height:1.2}.brand-text strong{font-size:14px;white-space:nowrap}.brand-text span{font-size:11px;color:var(--muted);margin-top:4px}.dock-nav{display:flex;align-items:center;gap:5px;flex:1}.dock-nav a{color:var(--muted);font-size:14px;padding:9px 13px;border-radius:13px;white-space:nowrap}.dock-nav a:hover,.dock-nav a:focus,.dock-nav a.active{color:var(--text);background:linear-gradient(135deg,rgba(59,130,246,.24),rgba(167,139,250,.18));box-shadow:inset 0 0 0 1px rgba(56,189,248,.14)}.dock-nav a.active:before{content:"";display:inline-block;width:5px;height:5px;border-radius:50%;background:var(--cyan);margin:0 7px 2px 0;box-shadow:0 0 9px var(--cyan)}.dock-action{display:flex;gap:8px}.pill-btn{display:inline-flex;justify-content:center;align-items:center;border-radius:999px;padding:10px 17px;font-size:13px;font-weight:600;border:1px solid transparent;white-space:nowrap}.pill-btn.primary{background:linear-gradient(110deg,var(--blue),var(--cyan));color:#fff;box-shadow:0 8px 25px rgba(56,189,248,.23)}.pill-btn.secondary{border-color:var(--line-bright);background:rgba(8,24,40,.5);color:#bdeeff}.pill-btn:hover{transform:translateY(-2px);filter:brightness(1.12)}.pill-btn:focus,input:focus{outline:3px solid rgba(56,189,248,.3);outline-offset:3px}
.hero-inner{padding:72px 0 58px}.breadcrumb{color:var(--faint);font-size:13px;margin-bottom:25px}.breadcrumb a{color:#8bdcff}.hero-grid{display:grid;grid-template-columns:minmax(0,1.1fr) minmax(360px,.9fr);gap:52px;align-items:center}.hero h1{font-size:clamp(36px,5vw,58px);line-height:1.14;letter-spacing:-.04em;margin:18px 0 22px;max-width:720px}.hero h1 em{font-style:normal;color:#8bdcff}.hero-copy{font-size:17px;color:var(--muted);max-width:680px;margin:0 0 28px}.hero-actions{display:flex;gap:12px;flex-wrap:wrap}.intel-panel{border-radius:30px;padding:24px;position:relative;overflow:hidden}.intel-panel:before{content:"";position:absolute;inset:0;background:linear-gradient(130deg,rgba(56,189,248,.12),transparent 42%,rgba(167,139,250,.12));pointer-events:none}.panel-top,.panel-title{display:flex;justify-content:space-between;align-items:center;position:relative}.panel-title{font-size:18px;font-weight:700;margin:20px 0 18px}.status{font-size:12px;color:#86efac;background:rgba(34,197,94,.11);border:1px solid rgba(34,197,94,.25);padding:5px 9px;border-radius:999px}.metric-grid{display:grid;grid-template-columns:1fr 1fr;gap:10px;position:relative}.metric{background:rgba(4,15,29,.5);border:1px solid var(--line);padding:15px;border-radius:17px}.metric small{display:block;color:var(--faint);font-size:12px}.metric strong{display:block;font-size:17px;margin-top:4px}.notice{position:relative;margin-top:12px;padding:13px 15px;border-radius:15px;background:rgba(251,191,36,.09);border:1px solid rgba(251,191,36,.23);color:#fbdc82;font-size:13px}
.section-head{display:flex;justify-content:space-between;align-items:end;gap:24px;margin-bottom:28px}.section-head h2{font-size:32px;line-height:1.25;margin:10px 0 0;letter-spacing:-.03em}.section-head p{color:var(--muted);max-width:470px;margin:0}.guide-layout{display:grid;grid-template-columns:minmax(0,1fr) 310px;gap:24px}.guide-list{display:grid;gap:16px}.guide-card{padding:24px;border-radius:var(--radius);position:relative;overflow:hidden}.guide-card:hover,.side-card:hover,.compare-card:hover{border-color:var(--line-bright);transform:translateY(-3px)}.guide-card:after{content:"";position:absolute;right:-45px;top:-55px;width:150px;height:150px;border-radius:50%;background:rgba(59,130,246,.09);filter:blur(3px)}.card-heading{display:flex;justify-content:space-between;gap:18px;align-items:flex-start}.card-heading h3{font-size:20px;margin:10px 0 7px}.guide-card p{color:var(--muted);margin:0 0 14px;font-size:15px}.facts{display:flex;gap:18px;flex-wrap:wrap;color:#bfd0df;font-size:13px;border-top:1px solid var(--line);padding-top:14px}.facts span:before{content:"·";color:var(--cyan);margin-right:7px}.card-link{color:#8bdcff;font-size:13px;font-weight:600}.card-link:hover{text-decoration:underline}.side-stack{display:grid;gap:16px;align-content:start;position:sticky;top:24px}.side-card{padding:22px;border-radius:22px}.side-card h3{font-size:17px;margin:0 0 14px}.side-card p{font-size:14px;color:var(--muted);margin:0}.side-nav li{border-bottom:1px solid var(--line)}.side-nav li:last-child{border:0}.side-nav a{display:flex;justify-content:space-between;padding:11px 0;color:var(--muted);font-size:14px}.side-nav a:hover{color:var(--cyan);padding-left:4px}.side-nav a span{color:var(--faint)}
.filter-bar{padding:15px 18px;border-radius:20px;display:flex;gap:10px;align-items:center;flex-wrap:wrap;margin-bottom:22px}.filter-label{color:var(--faint);font-size:13px}.filter-chip{border:1px solid var(--line);color:var(--muted);background:rgba(255,255,255,.025);border-radius:999px;padding:7px 13px;font-size:13px}.filter-chip.active,.filter-chip:hover{color:#fff;border-color:rgba(56,189,248,.5);background:rgba(56,189,248,.12)}
.compare-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:16px}.compare-card{padding:23px;border-radius:22px;min-height:220px}.compare-card h3{font-size:19px;margin:16px 0 7px}.compare-card p{font-size:14px;color:var(--muted);margin:0 0 15px}.check-list{display:grid;gap:9px}.check-list li{font-size:13px;color:#c9d8e7}.check-list li:before{content:"✓";color:#7dd3fc;margin-right:8px}.timeline{display:grid;gap:0;max-width:900px}.step{display:grid;grid-template-columns:75px 1fr;gap:20px;position:relative;padding:0 0 28px}.step:not(:last-child):before{content:"";position:absolute;left:23px;top:40px;bottom:0;width:1px;background:linear-gradient(var(--cyan),rgba(56,189,248,.08))}.step-no{width:48px;height:48px;border-radius:16px;display:grid;place-items:center;background:rgba(59,130,246,.14);border:1px solid rgba(56,189,248,.35);color:#8bdcff;font-weight:700}.step h3{font-size:19px;margin:0 0 4px}.step p{color:var(--muted);margin:0;font-size:15px}
.faq-list{display:grid;gap:10px;max-width:920px}.faq-item{border:1px solid var(--line);border-radius:17px;background:rgba(15,30,50,.5);overflow:hidden}.faq-item summary{cursor:pointer;padding:18px 20px;font-weight:600;list-style:none}.faq-item summary::-webkit-details-marker{display:none}.faq-item summary:after{content:"＋";float:right;color:var(--cyan);font-size:20px;line-height:1}.faq-item[open] summary{color:#8bdcff;background:rgba(56,189,248,.06)}.faq-item[open] summary:after{content:"－"}.faq-answer{padding:0 20px 18px;color:var(--muted);font-size:15px}
.cta{border-radius:28px;padding:34px 38px;display:flex;align-items:center;justify-content:space-between;gap:24px;background:linear-gradient(110deg,rgba(30,84,160,.7),rgba(49,34,94,.7));border:1px solid rgba(125,211,252,.3);box-shadow:0 0 45px rgba(59,130,246,.12)}.cta h2{margin:0 0 7px;font-size:28px}.cta p{margin:0;color:#c4d6e8}.footer{border-top:1px solid var(--line);padding:58px 0 22px;background:rgba(3,10,19,.55)}.footer-grid{display:grid;grid-template-columns:1.5fr .8fr .9fr 1.2fr;gap:42px}.brand-bloc p,.footer p{color:var(--muted);font-size:14px;margin:18px 0 0}.footer h4{font-size:14px;margin:4px 0 14px;color:#d7e6f5}.footer li{margin:8px 0}.footer li a{color:var(--muted);font-size:14px}.footer li a:hover{color:var(--cyan)}.copyright{display:flex;justify-content:space-between;gap:15px;border-top:1px solid var(--line);margin-top:40px;padding-top:18px;color:var(--faint);font-size:12px}
@media(max-width:1024px){.hero-grid{gap:28px}.dock-action .secondary{display:none}.footer-grid{grid-template-columns:1fr 1fr}.section{padding:70px 0}}
@media(max-width:760px){.container-wide{width:min(100% - 30px,620px)}.site-dock{padding-top:14px}.dock-inner{width:calc(100% - 20px);display:block;padding:12px}.dock-brand{min-width:0;margin-bottom:12px}.dock-nav{overflow-x:auto;padding-bottom:2px}.dock-nav::-webkit-scrollbar{display:none}.dock-action{display:none}.hero-inner{padding:48px 0 35px}.hero-grid,.guide-layout{grid-template-columns:1fr}.hero h1{font-size:39px}.intel-panel{border-radius:23px}.side-stack{position:static}.compare-grid{grid-template-columns:1fr}.section-head{display:block}.section-head p{margin-top:14px}.cta{display:block;padding:28px 23px}.cta .pill-btn{margin-top:20px}.footer-grid{grid-template-columns:1fr 1fr;gap:28px}}
@media(max-width:520px){.footer-grid{grid-template-columns:1fr}.copyright{display:block}.copyright span{display:block;margin-top:5px}.hero-actions .pill-btn{width:100%}.metric-grid{grid-template-columns:1fr 1fr}.step{grid-template-columns:58px 1fr;gap:13px}.section{padding:58px 0}.section-head h2{font-size:27px}}
@media(prefers-reduced-motion:reduce){*,*:before,*:after{scroll-behavior:auto!important;transition:none!important}}