/* roulang page: index */
:root{
      --bg-deep:#07111f;
      --bg-darker:#030914;
      --bg-panel:rgba(12,28,48,.68);
      --bg-panel-strong:rgba(15,36,62,.82);
      --primary:#38bdf8;
      --primary-soft:rgba(56,189,248,.18);
      --secondary:#8b5cf6;
      --secondary-soft:rgba(139,92,246,.18);
      --accent:#f0a6c8;
      --accent-soft:rgba(240,166,200,.16);
      --amber:#f5c56f;
      --text-main:#f7fbff;
      --text-soft:#dbeafe;
      --text-muted:#9fb2c8;
      --text-faint:rgba(247,251,255,.62);
      --line:rgba(148,204,255,.18);
      --line-strong:rgba(148,204,255,.32);
      --radius-xl:30px;
      --radius-lg:24px;
      --radius-md:18px;
      --radius-sm:12px;
      --container:1220px;
      --shadow:0 24px 70px rgba(0,0,0,.38);
      --glow:0 0 34px rgba(56,189,248,.22),0 0 60px rgba(139,92,246,.13);
      --transition:all .24s ease;
      --font:system-ui,-apple-system,BlinkMacSystemFont,"Segoe UI","PingFang SC","Microsoft YaHei","Noto Sans SC",sans-serif;
    }
    *{box-sizing:border-box}
    html{scroll-behavior:smooth}
    body{
      margin:0;
      min-height:100vh;
      font-family:var(--font);
      color:var(--text-main);
      line-height:1.75;
      background:
        radial-gradient(circle at 15% 10%,rgba(56,189,248,.2),transparent 30%),
        radial-gradient(circle at 80% 16%,rgba(139,92,246,.24),transparent 34%),
        radial-gradient(circle at 64% 74%,rgba(240,166,200,.12),transparent 28%),
        linear-gradient(140deg,var(--bg-darker),var(--bg-deep) 46%,#0d1026);
      overflow-x:hidden;
    }
    body:before{
      content:"";
      position:fixed;
      inset:0;
      pointer-events:none;
      opacity:.055;
      background-image:
        linear-gradient(rgba(255,255,255,.35) 1px,transparent 1px),
        linear-gradient(90deg,rgba(255,255,255,.35) 1px,transparent 1px);
      background-size:42px 42px;
      mask-image:linear-gradient(to bottom,#000,transparent 90%);
      z-index:-1;
    }
    a{color:inherit;text-decoration:none;transition:var(--transition)}
    a:hover{color:var(--primary)}
    img{max-width:100%;display:block}
    button,input{font:inherit}
    button{cursor:pointer}
    h1,h2,h3,h4,h5,h6,p{margin-top:0}
    h1,h2,h3{letter-spacing:-.04em}
    p{color:var(--text-muted)}
    ul{margin:0;padding:0;list-style:none}
    section{position:relative}
    .grid-container{
      max-width:var(--container);
      padding-left:22px;
      padding-right:22px;
    }
    .grid-x{position:relative}
    .section-pad{padding:86px 0}
    .section-head{
      display:flex;
      align-items:flex-end;
      justify-content:space-between;
      gap:28px;
      margin-bottom:32px;
    }
    .section-kicker{
      display:inline-flex;
      align-items:center;
      gap:8px;
      margin-bottom:12px;
      padding:7px 12px;
      border:1px solid var(--line);
      border-radius:999px;
      color:var(--primary);
      background:rgba(56,189,248,.08);
      font-size:13px;
      font-weight:700;
    }
    .section-title{
      margin-bottom:0;
      font-size:clamp(28px,4vw,42px);
      line-height:1.16;
      font-weight:800;
    }
    .section-desc{
      max-width:540px;
      margin-bottom:0;
      font-size:16px;
    }
    .site-header{
      position:sticky;
      top:0;
      z-index:50;
      border-bottom:1px solid rgba(148,204,255,.14);
      background:rgba(5,13,26,.72);
      backdrop-filter:blur(22px);
      box-shadow:0 12px 30px rgba(0,0,0,.22);
    }
    .nav-wrap{
      max-width:var(--container);
      margin:0 auto;
      padding:14px 22px;
      display:flex;
      align-items:center;
      gap:18px;
    }
    .brand{
      display:flex;
      align-items:center;
      gap:11px;
      min-width:max-content;
      font-weight:800;
      letter-spacing:-.03em;
    }
    .brand-mark{
      width:42px;
      height:42px;
      display:grid;
      place-items:center;
      border-radius:14px;
      background:linear-gradient(135deg,var(--primary),var(--secondary));
      color:#06101f;
      box-shadow:var(--glow);
      font-weight:900;
    }
    .brand-text{line-height:1.05}
    .brand-text span{display:block;font-size:12px;color:var(--text-muted);font-weight:600;letter-spacing:.08em}
    .desktop-nav{
      display:flex;
      align-items:center;
      gap:6px;
      margin-left:10px;
    }
    .desktop-nav a,.mobile-panel a.nav-link{
      min-height:42px;
      display:flex;
      align-items:center;
      padding:9px 13px;
      border-radius:999px;
      color:var(--text-muted);
      font-size:14px;
      font-weight:700;
    }
    .desktop-nav a:hover,.desktop-nav a.active,.mobile-panel a.active{
      color:var(--text-main);
      background:rgba(148,204,255,.11);
      border-color:var(--line);
    }
    .nav-actions{
      margin-left:auto;
      display:flex;
      align-items:center;
      gap:10px;
    }
    .command-search{
      height:44px;
      width:250px;
      display:flex;
      align-items:center;
      gap:9px;
      padding:0 12px;
      border:1px solid var(--line);
      border-radius:999px;
      background:rgba(12,28,48,.58);
      color:var(--text-muted);
      transition:var(--transition);
    }
    .command-search:focus-within{border-color:rgba(56,189,248,.55);box-shadow:0 0 0 4px rgba(56,189,248,.1)}
    .command-search input{
      width:100%;
      border:0;
      outline:0;
      background:transparent;
      color:var(--text-main);
      min-width:0;
    }
    .command-search input::placeholder{color:rgba(159,178,200,.78)}
    .keycap{
      flex:0 0 auto;
      padding:2px 7px;
      border:1px solid var(--line);
      border-radius:8px;
      color:var(--text-faint);
      font-size:12px;
      background:rgba(255,255,255,.05);
    }
    .btn{
      min-height:44px;
      display:inline-flex;
      align-items:center;
      justify-content:center;
      gap:8px;
      padding:11px 18px;
      border:1px solid transparent;
      border-radius:999px;
      font-weight:800;
      line-height:1.1;
      transition:var(--transition);
      user-select:none;
    }
    .btn-primary{
      color:#03101e;
      background:linear-gradient(135deg,var(--primary),var(--secondary));
      box-shadow:0 12px 32px rgba(56,189,248,.22),0 10px 40px rgba(139,92,246,.18);
    }
    .btn-secondary{
      color:var(--text-main);
      background:rgba(255,255,255,.06);
      border-color:var(--line);
    }
    .btn-ghost{
      min-height:38px;
      padding:8px 12px;
      color:var(--primary);
      background:rgba(56,189,248,.08);
      border-color:rgba(56,189,248,.18);
    }
    .btn:hover{transform:translateY(-2px);box-shadow:var(--glow);color:var(--text-main)}
    .btn-primary:hover{color:#fff}
    .btn:active{transform:translateY(0);box-shadow:none}
    .btn:focus-visible,a:focus-visible,input:focus-visible,button:focus-visible{
      outline:3px solid rgba(56,189,248,.55);
      outline-offset:3px;
    }
    .menu-toggle{
      display:none;
      margin-left:auto;
      width:44px;height:44px;
      border:1px solid var(--line);
      border-radius:14px;
      background:rgba(255,255,255,.06);
      color:var(--text-main);
    }
    .mobile-panel{
      display:none;
      max-width:var(--container);
      margin:0 auto;
      padding:0 22px 18px;
    }
    .mobile-panel.is-open{display:block}
    .mobile-panel-inner{
      padding:16px;
      border:1px solid var(--line);
      border-radius:22px;
      background:rgba(12,28,48,.84);
      backdrop-filter:blur(18px);
    }
    .mobile-panel .command-search{width:100%;margin-bottom:12px}
    .mobile-panel .nav-stack{display:grid;gap:7px;margin-bottom:12px}
    .hero{padding:84px 0 54px;overflow:hidden}
    .hero:after{
      content:"01 / 02 / 03";
      position:absolute;
      right:4vw;
      top:110px;
      color:rgba(255,255,255,.035);
      font-size:96px;
      font-weight:900;
      letter-spacing:.12em;
      pointer-events:none;
    }
    .hero-card{
      position:relative;
      padding:34px;
      border:1px solid var(--line);
      border-radius:var(--radius-xl);
      background:linear-gradient(160deg,rgba(12,28,48,.78),rgba(12,20,43,.48));
      box-shadow:var(--shadow);
      backdrop-filter:blur(20px);
      overflow:hidden;
    }
    .hero-card:before{
      content:"";
      position:absolute;
      inset:-2px;
      background:radial-gradient(circle at 18% 20%,rgba(56,189,248,.18),transparent 34%),
                 radial-gradient(circle at 85% 26%,rgba(139,92,246,.18),transparent 30%);
      pointer-events:none;
    }
    .hero-content{position:relative;z-index:1}
    .hero h1{
      max-width:720px;
      margin-bottom:22px;
      font-size:clamp(38px,6vw,64px);
      line-height:1.1;
      font-weight:900;
    }
    .hero h1 .grad{
      background:linear-gradient(135deg,#fff,var(--primary),#cab8ff);
      -webkit-background-clip:text;
      background-clip:text;
      color:transparent;
    }
    .hero-sub{
      max-width:650px;
      margin-bottom:28px;
      font-size:18px;
      color:var(--text-soft);
    }
    .hero-actions{display:flex;flex-wrap:wrap;gap:12px;margin-bottom:28px}
    .signal-row{display:flex;flex-wrap:wrap;gap:10px}
    .signal{
      display:inline-flex;
      align-items:center;
      gap:8px;
      padding:9px 12px;
      border:1px solid var(--line);
      border-radius:999px;
      background:rgba(255,255,255,.05);
      color:var(--text-muted);
      font-size:13px;
      font-weight:700;
    }
    .signal i{
      width:8px;height:8px;border-radius:99px;
      background:var(--primary);
      box-shadow:0 0 14px var(--primary);
    }
    .activity-panel{
      position:relative;
      padding:24px;
      border:1px solid var(--line-strong);
      border-radius:var(--radius-lg);
      background:rgba(3,11,24,.48);
      box-shadow:inset 0 1px 0 rgba(255,255,255,.08),var(--glow);
      overflow:hidden;
    }
    .panel-top{
      display:flex;
      justify-content:space-between;
      gap:12px;
      margin-bottom:20px;
    }
    .badge{
      display:inline-flex;
      align-items:center;
      gap:6px;
      padding:7px 11px;
      border:1px solid var(--line);
      border-radius:999px;
      background:rgba(255,255,255,.06);
      color:var(--text-soft);
      font-size:13px;
      font-weight:800;
    }
    .badge.purple{border-color:rgba(139,92,246,.35);background:var(--secondary-soft);color:#d9ceff}
    .badge.cyan{border-color:rgba(56,189,248,.35);background:var(--primary-soft);color:#b8ecff}
    .badge.pink{border-color:rgba(240,166,200,.35);background:var(--accent-soft);color:#ffd8e9}
    .zone-stack{display:grid;gap:12px}
    .zone-item{
      padding:14px;
      border:1px solid var(--line);
      border-radius:18px;
      background:rgba(255,255,255,.045);
    }
    .zone-meta{display:flex;align-items:center;justify-content:space-between;margin-bottom:9px;color:var(--text-soft);font-size:14px;font-weight:800}
    .progress{
      height:9px;
      border-radius:99px;
      background:rgba(255,255,255,.07);
      overflow:hidden;
    }
    .progress span{display:block;height:100%;border-radius:inherit;background:linear-gradient(90deg,var(--primary),var(--secondary))}
    .capsule-strip{
      padding:28px 0 0;
    }
    .capsule-grid{
      display:grid;
      grid-template-columns:repeat(4,1fr);
      gap:14px;
    }
    .capsule{
      padding:18px;
      border:1px solid var(--line);
      border-radius:22px;
      background:rgba(12,28,48,.52);
      backdrop-filter:blur(14px);
      transition:var(--transition);
    }
    .capsule:hover{transform:translateY(-4px);border-color:rgba(56,189,248,.45);box-shadow:var(--glow)}
    .capsule strong{display:block;margin-bottom:4px;font-size:18px}
    .capsule span{color:var(--text-muted);font-size:14px}
    .glass-card{
      border:1px solid var(--line);
      border-radius:var(--radius-lg);
      background:var(--bg-panel);
      backdrop-filter:blur(18px);
      box-shadow:0 18px 48px rgba(0,0,0,.26);
      transition:var(--transition);
      overflow:hidden;
    }
    .glass-card:hover{transform:translateY(-5px);border-color:rgba(56,189,248,.42);box-shadow:var(--shadow),var(--glow)}
    .step-card{height:100%;padding:24px}
    .step-num{
      width:46px;height:46px;
      display:grid;place-items:center;
      margin-bottom:18px;
      border-radius:16px;
      background:linear-gradient(135deg,rgba(56,189,248,.18),rgba(139,92,246,.2));
      color:var(--primary);
      border:1px solid var(--line);
      font-weight:900;
    }
    .step-card h3,.reward-card h3,.content-card h3{margin-bottom:10px;font-size:22px;font-weight:850}
    .step-card p,.reward-card p,.content-card p{margin-bottom:0}
    .reward-layout{
      display:grid;
      grid-template-columns:1.25fr .75fr;
      gap:18px;
    }
    .reward-main{padding:30px;min-height:320px;display:flex;flex-direction:column;justify-content:space-between}
    .reward-side{display:grid;gap:18px}
    .reward-card{padding:24px}
    .status-line{
      display:flex;
      align-items:center;
      gap:10px;
      margin-top:18px;
      color:var(--text-soft);
      font-size:14px;
      font-weight:700;
    }
    .status-dot{width:10px;height:10px;border-radius:50%;background:var(--primary);box-shadow:0 0 18px var(--primary)}
    .content-grid{
      display:grid;
      grid-template-columns:repeat(3,1fr);
      gap:18px;
    }
    .content-card{min-height:100%;display:flex;flex-direction:column}
    .cover{
      height:150px;
      position:relative;
      border-bottom:1px solid var(--line);
      background:
        radial-gradient(circle at 30% 24%,rgba(56,189,248,.34),transparent 28%),
        radial-gradient(circle at 70% 64%,rgba(139,92,246,.32),transparent 30%),
        linear-gradient(135deg,rgba(255,255,255,.08),rgba(255,255,255,.02));
      overflow:hidden;
    }
    .cover:before{
      content:attr(data-no);
      position:absolute;
      right:18px;bottom:4px;
      color:rgba(255,255,255,.12);
      font-size:56px;
      font-weight:900;
    }
    .card-body{padding:20px;display:flex;flex:1;flex-direction:column}
    .card-body p{flex:1}
    .meta{
      display:flex;
      flex-wrap:wrap;
      gap:8px;
      margin:12px 0 16px;
      color:var(--text-faint);
      font-size:13px;
    }
    .meta span{padding:4px 8px;border-radius:999px;background:rgba(255,255,255,.055);border:1px solid rgba(255,255,255,.08)}
    .progress-panel{
      display:grid;
      grid-template-columns:1fr 360px;
      gap:20px;
      align-items:stretch;
    }
    .track-card{padding:28px}
    .track{
      position:relative;
      display:grid;
      grid-template-columns:repeat(4,1fr);
      gap:10px;
      margin-top:26px;
    }
    .track:before{
      content:"";
      position:absolute;
      left:8%;
      right:8%;
      top:22px;
      height:3px;
      border-radius:99px;
      background:linear-gradient(90deg,var(--primary),var(--secondary),rgba(255,255,255,.12));
      z-index:0;
    }
    .track-node{position:relative;z-index:1;text-align:center}
    .node-dot{
      width:46px;height:46px;
      display:grid;place-items:center;
      margin:0 auto 12px;
      border-radius:50%;
      background:#071326;
      border:1px solid rgba(56,189,248,.5);
      box-shadow:0 0 28px rgba(56,189,248,.24);
      color:var(--primary);
      font-weight:900;
    }
    .track-node strong{display:block;margin-bottom:4px}
    .track-node span{font-size:13px;color:var(--text-muted)}
    .score-card{padding:26px;background:linear-gradient(160deg,rgba(139,92,246,.16),rgba(56,189,248,.08))}
    .meter{
      width:150px;height:150px;
      display:grid;place-items:center;
      margin:12px auto 20px;
      border-radius:50%;
      background:conic-gradient(var(--primary) 0 70%,rgba(255,255,255,.08) 70% 100%);
      box-shadow:var(--glow);
    }
    .meter-inner{
      width:112px;height:112px;
      display:grid;place-items:center;
      border-radius:50%;
      background:#071326;
      border:1px solid var(--line);
      text-align:center;
      font-weight:900;
      color:var(--text-main);
    }
    .notice-band{
      padding:22px;
      border:1px solid rgba(245,197,111,.28);
      border-radius:var(--radius-lg);
      background:linear-gradient(135deg,rgba(245,197,111,.08),rgba(56,189,248,.05));
      color:var(--text-soft);
    }
    .notice-band strong{color:var(--amber)}
    .faq-list{display:grid;gap:14px}
    .faq-item{
      border:1px solid var(--line);
      border-radius:20px;
      background:rgba(12,28,48,.58);
      overflow:hidden;
    }
    .faq-question{
      width:100%;
      min-height:58px;
      display:flex;
      align-items:center;
      justify-content:space-between;
      gap:16px;
      padding:18px 20px;
      border:0;
      background:transparent;
      color:var(--text-main);
      text-align:left;
      font-weight:850;
    }
    .faq-question span:last-child{
      width:28px;height:28px;
      display:grid;place-items:center;
      border-radius:50%;
      background:rgba(255,255,255,.07);
      color:var(--primary);
      flex:0 0 auto;
    }
    .faq-answer{display:none;padding:0 20px 20px}
    .faq-item.is-open .faq-answer{display:block}
    .faq-answer p{margin-bottom:0}
    .cta-panel{
      position:relative;
      padding:36px;
      border:1px solid var(--line-strong);
      border-radius:var(--radius-xl);
      background:
        radial-gradient(circle at 82% 24%,rgba(56,189,248,.2),transparent 30%),
        radial-gradient(circle at 14% 74%,rgba(139,92,246,.2),transparent 34%),
        rgba(12,28,48,.76);
      box-shadow:var(--shadow),var(--glow);
      overflow:hidden;
    }
    .cta-panel h2{font-size:clamp(28px,4vw,44px);line-height:1.15;margin-bottom:14px;font-weight:900}
    .cta-panel p{max-width:680px;color:var(--text-soft);font-size:17px}
    .cta-actions{display:flex;gap:12px;flex-wrap:wrap;margin-top:22px}
    .cta-status{
      position:absolute;
      right:32px;
      bottom:28px;
      display:grid;
      gap:8px;
      width:220px;
      opacity:.9;
    }
    .mini-bar{height:8px;border-radius:99px;background:rgba(255,255,255,.08);overflow:hidden}
    .mini-bar span{display:block;height:100%;background:linear-gradient(90deg,var(--primary),var(--secondary));border-radius:inherit}
    .site-footer{
      margin-top:70px;
      border-top:1px solid var(--line);
      background:rgba(3,9,20,.72);
    }
    .footer-grid{
      padding:48px 0 28px;
      display:grid;
      grid-template-columns:1.35fr .8fr .8fr 1fr;
      gap:26px;
    }
    .footer-title{margin-bottom:12px;color:var(--text-main);font-weight:900}
    .footer-links{display:grid;gap:9px}
    .footer-links a{color:var(--text-muted);font-size:14px}
    .footer-links a:hover{color:var(--primary);padding-left:3px}
    .footer-note{font-size:14px;color:var(--text-muted)}
    .copyright{
      padding:18px 0 28px;
      border-top:1px solid rgba(148,204,255,.12);
      color:rgba(159,178,200,.78);
      font-size:13px;
      display:flex;
      justify-content:space-between;
      gap:16px;
      flex-wrap:wrap;
    }
    @media (max-width:1024px){
      .desktop-nav,.nav-actions{display:none}
      .menu-toggle{display:grid;place-items:center}
      .hero{padding-top:54px}
      .hero-card{padding:26px}
      .capsule-grid{grid-template-columns:repeat(2,1fr)}
      .reward-layout,.progress-panel{grid-template-columns:1fr}
      .content-grid{grid-template-columns:repeat(2,1fr)}
      .cta-status{position:relative;right:auto;bottom:auto;margin-top:24px}
      .footer-grid{grid-template-columns:repeat(2,1fr)}
    }
    @media (max-width:768px){
      .section-pad{padding:64px 0}
      .section-head{display:block}
      .section-desc{margin-top:12px}
      .hero-card{border-radius:24px}
      .hero-actions .btn{width:100%}
      .track{grid-template-columns:1fr;gap:16px;margin-top:20px}
      .track:before{left:22px;right:auto;top:22px;bottom:22px;width:3px;height:auto;background:linear-gradient(180deg,var(--primary),var(--secondary))}
      .track-node{text-align:left;display:grid;grid-template-columns:56px 1fr;align-items:start}
      .node-dot{margin:0}
      .content-grid{grid-template-columns:1fr}
      .footer-grid{grid-template-columns:1fr}
      .copyright{display:block}
      .copyright span{display:block;margin-top:8px}
    }
    @media (max-width:480px){
      .grid-container,.nav-wrap,.mobile-panel{padding-left:16px;padding-right:16px}
      .brand-text{font-size:14px}
      .brand-mark{width:38px;height:38px}
      .hero h1{font-size:36px}
      .hero-sub{font-size:16px}
      .hero-card,.activity-panel,.cta-panel{padding:20px}
      .capsule-grid{grid-template-columns:1fr}
      .panel-top{display:block}
      .panel-top .badge{margin-bottom:8px}
      .btn{width:100%}
    }

/* roulang page: category1 */
:root{
      --bg-deep:#07111f;
      --bg-deeper:#040914;
      --bg-panel:rgba(12,28,48,.68);
      --bg-panel-strong:rgba(17,38,66,.86);
      --primary:#38bdf8;
      --primary-soft:rgba(56,189,248,.16);
      --secondary:#8b5cf6;
      --secondary-soft:rgba(139,92,246,.18);
      --accent:#f0a6c8;
      --accent-soft:rgba(240,166,200,.14);
      --amber:#f6c76f;
      --text-main:#f7fbff;
      --text-muted:#9fb2c8;
      --text-soft:rgba(247,251,255,.72);
      --line:rgba(148,204,255,.18);
      --line-strong:rgba(148,204,255,.32);
      --radius-xl:30px;
      --radius-lg:24px;
      --radius-md:18px;
      --radius-sm:12px;
      --container:1240px;
      --shadow-card:0 24px 70px rgba(0,0,0,.34);
      --shadow-glow:0 0 36px rgba(56,189,248,.18),0 0 58px rgba(139,92,246,.14);
      --transition:220ms ease;
      --font:system-ui,-apple-system,BlinkMacSystemFont,"Segoe UI","PingFang SC","Microsoft YaHei","Noto Sans SC",sans-serif;
    }
    *{box-sizing:border-box}
    html{scroll-behavior:smooth}
    body{
      margin:0;
      min-width:320px;
      font-family:var(--font);
      color:var(--text-main);
      line-height:1.75;
      background:
        radial-gradient(circle at 9% 4%,rgba(56,189,248,.22),transparent 28%),
        radial-gradient(circle at 78% 10%,rgba(139,92,246,.22),transparent 30%),
        radial-gradient(circle at 55% 64%,rgba(240,166,200,.08),transparent 28%),
        linear-gradient(145deg,#07111f 0%,#08182b 44%,#060817 100%);
      overflow-x:hidden;
    }
    body:before{
      content:"";
      position:fixed;
      inset:0;
      pointer-events:none;
      z-index:-1;
      opacity:.52;
      background-image:
        linear-gradient(rgba(148,204,255,.055) 1px,transparent 1px),
        linear-gradient(90deg,rgba(148,204,255,.055) 1px,transparent 1px);
      background-size:42px 42px;
      mask-image:linear-gradient(to bottom,rgba(0,0,0,.9),rgba(0,0,0,.15));
    }
    body:after{
      content:"";
      position:fixed;
      inset:0;
      pointer-events:none;
      z-index:-1;
      opacity:.055;
      background:repeating-linear-gradient(0deg,transparent 0,transparent 6px,rgba(255,255,255,.55) 7px);
    }
    a{color:inherit;text-decoration:none;transition:color var(--transition),border-color var(--transition),background var(--transition),transform var(--transition)}
    a:hover{color:var(--primary)}
    button,input{font:inherit}
    button{cursor:pointer;border:0}
    img{max-width:100%;height:auto;display:block}
    h1,h2,h3,h4,h5,h6,p,ul{margin-top:0}
    ul{padding-left:1.2rem}
    section{position:relative}
    ::selection{background:rgba(56,189,248,.32);color:#fff}
    :focus-visible{outline:3px solid rgba(56,189,248,.78);outline-offset:3px;border-radius:12px}
    .grid-container{
      max-width:var(--container);
      padding-left:24px;
      padding-right:24px;
    }
    .grid-x{margin-left:-12px;margin-right:-12px}
    .grid-x>.cell{padding-left:12px;padding-right:12px}
    .section{
      padding:76px 0;
    }
    .section-sm{
      padding:54px 0;
    }
    .section-head{
      display:flex;
      justify-content:space-between;
      align-items:flex-end;
      gap:24px;
      margin-bottom:30px;
    }
    .eyebrow{
      display:inline-flex;
      align-items:center;
      gap:8px;
      min-height:34px;
      padding:6px 12px;
      border-radius:999px;
      color:#dff6ff;
      font-size:13px;
      font-weight:700;
      letter-spacing:.04em;
      background:rgba(56,189,248,.12);
      border:1px solid rgba(56,189,248,.26);
      box-shadow:inset 0 1px 0 rgba(255,255,255,.08);
    }
    .eyebrow:before{
      content:"";
      width:8px;
      height:8px;
      border-radius:50%;
      background:linear-gradient(135deg,var(--primary),var(--secondary));
      box-shadow:0 0 18px rgba(56,189,248,.8);
    }
    h1{
      font-size:clamp(36px,5vw,58px);
      line-height:1.12;
      letter-spacing:-.055em;
      font-weight:800;
      margin:18px 0 18px;
    }
    h2{
      font-size:clamp(28px,3.3vw,40px);
      line-height:1.18;
      letter-spacing:-.035em;
      font-weight:800;
      margin-bottom:12px;
    }
    h3{
      font-size:22px;
      line-height:1.32;
      font-weight:760;
      margin-bottom:10px;
    }
    p{
      color:var(--text-muted);
      font-size:16px;
    }
    .lead{
      font-size:18px;
      color:var(--text-soft);
      max-width:760px;
    }
    .site-header{
      position:sticky;
      top:0;
      z-index:1000;
      padding:14px 18px;
      backdrop-filter:blur(18px);
      background:linear-gradient(180deg,rgba(6,13,25,.88),rgba(6,13,25,.68));
      border-bottom:1px solid var(--line);
      box-shadow:0 12px 40px rgba(0,0,0,.22);
    }
    .nav-wrap{
      max-width:var(--container);
      margin:0 auto;
      min-height:64px;
      display:flex;
      align-items:center;
      gap:18px;
    }
    .brand{
      display:inline-flex;
      align-items:center;
      gap:12px;
      min-width:max-content;
      color:var(--text-main);
    }
    .brand:hover{color:var(--text-main);transform:translateY(-1px)}
    .brand-mark{
      display:grid;
      place-items:center;
      width:44px;
      height:44px;
      border-radius:16px;
      font-weight:900;
      color:#04111d;
      background:linear-gradient(135deg,var(--primary),var(--secondary) 68%,var(--accent));
      box-shadow:0 0 28px rgba(56,189,248,.3);
    }
    .brand-text{
      display:flex;
      flex-direction:column;
      font-size:17px;
      font-weight:800;
      letter-spacing:-.02em;
      line-height:1.15;
    }
    .brand-text span{
      font-size:12px;
      font-weight:600;
      color:var(--text-muted);
      letter-spacing:0;
      margin-top:3px;
    }
    .desktop-nav{
      display:flex;
      align-items:center;
      justify-content:center;
      gap:6px;
      margin-left:auto;
      padding:6px;
      border:1px solid rgba(148,204,255,.14);
      background:rgba(255,255,255,.035);
      border-radius:999px;
    }
    .desktop-nav a{
      min-height:40px;
      display:inline-flex;
      align-items:center;
      padding:9px 15px;
      border-radius:999px;
      color:var(--text-muted);
      font-weight:700;
      font-size:14px;
    }
    .desktop-nav a:hover,
    .desktop-nav a.active{
      color:#fff;
      background:rgba(56,189,248,.12);
      box-shadow:inset 0 0 0 1px rgba(56,189,248,.16);
    }
    .nav-actions{
      display:flex;
      align-items:center;
      gap:10px;
    }
    .command-search{
      min-height:44px;
      width:250px;
      display:flex;
      align-items:center;
      gap:9px;
      padding:8px 10px 8px 14px;
      border-radius:999px;
      color:var(--text-muted);
      border:1px solid rgba(148,204,255,.18);
      background:rgba(4,12,23,.55);
      box-shadow:inset 0 1px 0 rgba(255,255,255,.05);
      transition:border-color var(--transition),box-shadow var(--transition),background var(--transition);
    }
    .command-search:focus-within{
      border-color:rgba(56,189,248,.58);
      background:rgba(8,20,36,.82);
      box-shadow:0 0 0 4px rgba(56,189,248,.12);
    }
    .command-search input{
      width:100%;
      min-width:0;
      border:0;
      outline:0;
      background:transparent;
      color:var(--text-main);
      height:26px;
      font-size:14px;
    }
    .command-search input::placeholder{color:rgba(159,178,200,.8)}
    .keycap{
      flex:0 0 auto;
      padding:3px 7px;
      border-radius:8px;
      font-size:11px;
      color:#cdeaff;
      border:1px solid rgba(148,204,255,.22);
      background:rgba(255,255,255,.06);
    }
    .btn{
      min-height:44px;
      display:inline-flex;
      align-items:center;
      justify-content:center;
      gap:8px;
      border-radius:999px;
      padding:11px 18px;
      font-weight:800;
      font-size:14px;
      border:1px solid transparent;
      transition:transform var(--transition),box-shadow var(--transition),background var(--transition),border-color var(--transition),opacity var(--transition);
      user-select:none;
      white-space:nowrap;
    }
    .btn:hover{transform:translateY(-2px)}
    .btn:active{transform:translateY(0);box-shadow:none}
    .btn[disabled]{opacity:.45;cursor:not-allowed;transform:none}
    .btn-primary{
      color:#03111f;
      background:linear-gradient(135deg,var(--primary),#78e2ff 38%,var(--secondary));
      box-shadow:0 16px 36px rgba(56,189,248,.22),0 0 30px rgba(139,92,246,.2);
    }
    .btn-primary:hover{color:#020b14;box-shadow:0 20px 48px rgba(56,189,248,.34),0 0 42px rgba(139,92,246,.28)}
    .btn-secondary{
      color:#e8f7ff;
      background:rgba(255,255,255,.055);
      border-color:rgba(148,204,255,.22);
    }
    .btn-secondary:hover{color:#fff;background:rgba(56,189,248,.12);border-color:rgba(56,189,248,.38)}
    .btn-ghost{
      min-height:38px;
      padding:8px 12px;
      color:#cceeff;
      background:rgba(56,189,248,.08);
      border-color:rgba(56,189,248,.18);
      font-size:13px;
    }
    .menu-toggle{
      display:none;
      margin-left:auto;
      width:46px;
      height:46px;
      border-radius:14px;
      color:var(--text-main);
      background:rgba(255,255,255,.07);
      border:1px solid var(--line);
    }
    .mobile-panel{
      display:none;
      max-width:var(--container);
      margin:12px auto 0;
    }
    .mobile-panel-inner{
      padding:16px;
      border:1px solid var(--line);
      border-radius:22px;
      background:rgba(8,20,36,.94);
      box-shadow:var(--shadow-card);
    }
    .nav-stack{
      display:grid;
      gap:8px;
      margin:12px 0;
    }
    .nav-stack a{
      min-height:44px;
      display:flex;
      align-items:center;
      padding:10px 12px;
      border-radius:14px;
      color:var(--text-muted);
      border:1px solid rgba(148,204,255,.12);
      background:rgba(255,255,255,.035);
      font-weight:700;
    }
    .nav-stack a.active,
    .nav-stack a:hover{
      color:#fff;
      border-color:rgba(56,189,248,.28);
      background:rgba(56,189,248,.12);
    }
    .page-hero{
      padding:76px 0 44px;
    }
    .hero-shell{
      position:relative;
      overflow:hidden;
      padding:34px;
      border-radius:var(--radius-xl);
      border:1px solid var(--line);
      background:
        linear-gradient(135deg,rgba(12,28,48,.86),rgba(8,17,34,.72)),
        radial-gradient(circle at 85% 18%,rgba(139,92,246,.34),transparent 36%);
      box-shadow:var(--shadow-card),var(--shadow-glow);
    }
    .hero-shell:before{
      content:"";
      position:absolute;
      inset:auto -80px -140px auto;
      width:360px;
      height:360px;
      border-radius:50%;
      background:radial-gradient(circle,rgba(56,189,248,.28),transparent 68%);
      filter:blur(8px);
    }
    .hero-shell:after{
      content:"INDEX";
      position:absolute;
      right:34px;
      top:22px;
      color:rgba(255,255,255,.035);
      font-size:110px;
      line-height:1;
      font-weight:900;
      letter-spacing:.04em;
      pointer-events:none;
    }
    .hero-content{
      position:relative;
      z-index:2;
    }
    .hero-actions{
      display:flex;
      flex-wrap:wrap;
      align-items:center;
      gap:12px;
      margin-top:24px;
    }
    .status-panel{
      position:relative;
      z-index:2;
      padding:22px;
      border-radius:24px;
      border:1px solid rgba(148,204,255,.18);
      background:rgba(4,12,23,.48);
      backdrop-filter:blur(16px);
      box-shadow:inset 0 1px 0 rgba(255,255,255,.07);
    }
    .status-top{
      display:flex;
      justify-content:space-between;
      align-items:center;
      gap:16px;
      margin-bottom:18px;
    }
    .status-title{
      font-weight:850;
      letter-spacing:-.02em;
    }
    .status-badge{
      padding:5px 9px;
      border-radius:999px;
      font-size:12px;
      color:#d8fbff;
      background:rgba(56,189,248,.12);
      border:1px solid rgba(56,189,248,.24);
    }
    .status-list{
      display:grid;
      gap:12px;
    }
    .status-item{
      display:flex;
      align-items:center;
      justify-content:space-between;
      gap:14px;
      padding:12px;
      border-radius:16px;
      background:rgba(255,255,255,.045);
      border:1px solid rgba(148,204,255,.12);
    }
    .status-item span:first-child{
      color:var(--text-soft);
      font-weight:700;
    }
    .status-item span:last-child{
      color:#c7f6ff;
      font-size:13px;
      white-space:nowrap;
    }
    .progress-track{
      height:10px;
      border-radius:999px;
      overflow:hidden;
      background:rgba(148,204,255,.12);
      border:1px solid rgba(148,204,255,.14);
      margin:18px 0 6px;
    }
    .progress-fill{
      height:100%;
      width:72%;
      border-radius:999px;
      background:linear-gradient(90deg,var(--primary),var(--secondary));
      box-shadow:0 0 22px rgba(56,189,248,.45);
    }
    .filter-card,
    .glass-card{
      border-radius:var(--radius-lg);
      border:1px solid var(--line);
      background:var(--bg-panel);
      backdrop-filter:blur(18px);
      box-shadow:var(--shadow-card);
      transition:transform var(--transition),border-color var(--transition),box-shadow var(--transition),background var(--transition);
    }
    .glass-card:hover{
      transform:translateY(-4px);
      border-color:rgba(56,189,248,.34);
      box-shadow:var(--shadow-card),var(--shadow-glow);
      background:rgba(15,35,61,.76);
    }
    .filter-card{
      padding:20px;
      position:sticky;
      top:104px;
      z-index:20;
    }
    .filter-row{
      display:flex;
      flex-wrap:wrap;
      gap:10px;
      align-items:center;
    }
    .chip{
      min-height:38px;
      display:inline-flex;
      align-items:center;
      gap:7px;
      padding:8px 13px;
      border-radius:999px;
      color:var(--text-soft);
      font-size:14px;
      font-weight:750;
      border:1px solid rgba(148,204,255,.16);
      background:rgba(255,255,255,.045);
      transition:transform var(--transition),border-color var(--transition),background var(--transition),color var(--transition);
    }
    .chip:hover,
    .chip.active{
      color:#fff;
      transform:translateY(-1px);
      border-color:rgba(56,189,248,.34);
      background:rgba(56,189,248,.13);
    }
    .filter-search{
      flex:1 1 260px;
      min-height:46px;
      display:flex;
      align-items:center;
      gap:10px;
      padding:8px 14px;
      border-radius:999px;
      border:1px solid rgba(148,204,255,.18);
      background:rgba(4,12,23,.45);
    }
    .filter-search input{
      width:100%;
      min-width:0;
      border:0;
      outline:0;
      background:transparent;
      color:#fff;
    }
    .filter-search:focus-within{
      border-color:rgba(56,189,248,.55);
      box-shadow:0 0 0 4px rgba(56,189,248,.12);
    }
    .content-layout{
      align-items:flex-start;
    }
    .card-grid{
      display:grid;
      grid-template-columns:repeat(2,minmax(0,1fr));
      gap:18px;
    }
    .topic-card{
      overflow:hidden;
      min-height:100%;
    }
    .topic-cover{
      position:relative;
      height:164px;
      padding:16px;
      display:flex;
      align-items:flex-end;
      justify-content:space-between;
      background:
        radial-gradient(circle at 18% 20%,rgba(56,189,248,.42),transparent 34%),
        radial-gradient(circle at 85% 12%,rgba(139,92,246,.42),transparent 34%),
        linear-gradient(135deg,rgba(16,46,78,.86),rgba(13,15,35,.94));
      border-bottom:1px solid rgba(148,204,255,.16);
    }
    .topic-cover:before{
      content:"";
      position:absolute;
      inset:0;
      opacity:.22;
      background-image:linear-gradient(135deg,transparent 0 44%,rgba(255,255,255,.16) 45%,transparent 46%),
      linear-gradient(90deg,rgba(255,255,255,.07) 1px,transparent 1px);
      background-size:100% 100%,18px 18px;
    }
    .zone-code{
      position:relative;
      z-index:1;
      color:rgba(247,251,255,.62);
      font-size:46px;
      line-height:1;
      font-weight:900;
      letter-spacing:-.08em;
    }
    .rarity{
      position:relative;
      z-index:1;
      padding:6px 10px;
      border-radius:999px;
      color:#fff;
      font-size:12px;
      font-weight:800;
      border:1px solid rgba(255,255,255,.16);
      background:rgba(4,12,23,.42);
      backdrop-filter:blur(10px);
    }
    .topic-body{
      padding:20px;
    }
    .tag-line{
      display:flex;
      flex-wrap:wrap;
      gap:8px;
      margin-bottom:12px;
    }
    .mini-tag{
      display:inline-flex;
      min-height:26px;
      align-items:center;
      padding:4px 9px;
      border-radius:999px;
      font-size:12px;
      font-weight:750;
      color:#cdecff;
      border:1px solid rgba(56,189,248,.18);
      background:rgba(56,189,248,.08);
    }
    .mini-tag.purple{
      color:#eadfff;
      border-color:rgba(139,92,246,.24);
      background:rgba(139,92,246,.1);
    }
    .mini-tag.pink{
      color:#ffe1ef;
      border-color:rgba(240,166,200,.24);
      background:rgba(240,166,200,.09);
    }
    .meta{
      display:flex;
      flex-wrap:wrap;
      gap:10px;
      color:rgba(159,178,200,.88);
      font-size:13px;
      margin:14px 0 16px;
    }
    .meta span{
      display:inline-flex;
      align-items:center;
      gap:5px;
    }
    .sidebar{
      display:grid;
      gap:18px;
    }
    .side-card{
      padding:20px;
    }
    .side-title{
      display:flex;
      justify-content:space-between;
      align-items:center;
      gap:12px;
      margin-bottom:14px;
      font-weight:850;
      color:#fff;
    }
    .rank-list{
      list-style:none;
      padding:0;
      margin:0;
      display:grid;
      gap:10px;
    }
    .rank-list li{
      display:grid;
      grid-template-columns:32px 1fr auto;
      gap:10px;
      align-items:center;
      padding:10px;
      border-radius:14px;
      border:1px solid rgba(148,204,255,.12);
      background:rgba(255,255,255,.04);
    }
    .rank-no{
      display:grid;
      place-items:center;
      width:28px;
      height:28px;
      border-radius:10px;
      color:#061423;
      font-weight:900;
      background:linear-gradient(135deg,var(--primary),var(--secondary));
    }
    .rank-name{
      font-size:14px;
      color:var(--text-soft);
      font-weight:760;
    }
    .rank-state{
      font-size:12px;
      color:var(--text-muted);
      white-space:nowrap;
    }
    .timeline{
      display:grid;
      gap:0;
      margin-top:8px;
    }
    .time-step{
      position:relative;
      display:grid;
      grid-template-columns:28px 1fr;
      gap:12px;
      padding-bottom:18px;
    }
    .time-step:not(:last-child):before{
      content:"";
      position:absolute;
      left:13px;
      top:28px;
      bottom:0;
      width:2px;
      background:linear-gradient(var(--primary),rgba(139,92,246,.28));
    }
    .dot{
      width:28px;
      height:28px;
      display:grid;
      place-items:center;
      border-radius:50%;
      color:#061423;
      font-size:12px;
      font-weight:900;
      background:linear-gradient(135deg,var(--primary),var(--secondary));
      box-shadow:0 0 22px rgba(56,189,248,.4);
    }
    .time-step strong{
      display:block;
      color:#fff;
      margin-bottom:2px;
    }
    .time-step p{
      font-size:14px;
      line-height:1.55;
      margin:0;
    }
    .banner{
      overflow:hidden;
      padding:28px;
      border-radius:var(--radius-xl);
      border:1px solid rgba(56,189,248,.22);
      background:
        radial-gradient(circle at 12% 20%,rgba(56,189,248,.22),transparent 28%),
        radial-gradient(circle at 92% 70%,rgba(139,92,246,.22),transparent 30%),
        rgba(12,28,48,.68);
      box-shadow:var(--shadow-card);
    }
    .banner-inner{
      display:flex;
      justify-content:space-between;
      align-items:center;
      gap:24px;
    }
    .banner p{max-width:760px;margin-bottom:0}
    .feature-strip{
      display:grid;
      grid-template-columns:repeat(4,minmax(0,1fr));
      gap:14px;
      margin-top:22px;
    }
    .feature-item{
      padding:16px;
      border-radius:20px;
      border:1px solid rgba(148,204,255,.14);
      background:rgba(255,255,255,.04);
    }
    .feature-item strong{
      display:block;
      color:#fff;
      font-size:15px;
      margin-bottom:4px;
    }
    .feature-item span{
      color:var(--text-muted);
      font-size:13px;
    }
    .faq-grid{
      display:grid;
      grid-template-columns:repeat(2,minmax(0,1fr));
      gap:16px;
    }
    .faq-item{
      padding:22px;
    }
    .faq-item h3{
      display:flex;
      align-items:flex-start;
      gap:10px;
      font-size:19px;
    }
    .faq-item h3:before{
      content:"?";
      flex:0 0 auto;
      display:grid;
      place-items:center;
      width:28px;
      height:28px;
      border-radius:10px;
      color:#061423;
      background:linear-gradient(135deg,var(--primary),var(--secondary));
      font-weight:900;
    }
    .faq-item p{margin-bottom:0}
    .cta-panel{
      padding:34px;
      border-radius:var(--radius-xl);
      border:1px solid rgba(148,204,255,.18);
      background:
        linear-gradient(135deg,rgba(56,189,248,.12),rgba(139,92,246,.13)),
        rgba(8,20,36,.76);
      box-shadow:var(--shadow-card),var(--shadow-glow);
      overflow:hidden;
    }
    .cta-panel .grid-x{align-items:center}
    .cta-deco{
      min-height:180px;
      border-radius:26px;
      border:1px solid rgba(148,204,255,.18);
      background:
        radial-gradient(circle at 50% 50%,rgba(56,189,248,.28),transparent 28%),
        conic-gradient(from 210deg,rgba(56,189,248,.18),rgba(139,92,246,.28),rgba(240,166,200,.14),rgba(56,189,248,.18));
      position:relative;
      overflow:hidden;
    }
    .cta-deco:before{
      content:"";
      position:absolute;
      inset:28px;
      border-radius:22px;
      border:1px dashed rgba(255,255,255,.24);
    }
    .cta-deco:after{
      content:"精选分区";
      position:absolute;
      inset:0;
      display:grid;
      place-items:center;
      color:#fff;
      font-size:24px;
      font-weight:900;
      letter-spacing:.08em;
      text-shadow:0 0 22px rgba(56,189,248,.55);
    }
    .site-footer{
      padding:56px 0 28px;
      border-top:1px solid var(--line);
      background:linear-gradient(180deg,rgba(4,9,20,.2),rgba(4,9,20,.88));
    }
    .footer-grid{
      display:grid;
      grid-template-columns:1.35fr .8fr .8fr 1fr;
      gap:28px;
    }
    .footer-title{
      color:#fff;
      font-weight:850;
      margin-bottom:12px;
    }
    .footer-links{
      display:grid;
      gap:9px;
    }
    .footer-links a{
      color:var(--text-muted);
      font-size:14px;
    }
    .footer-links a:hover{color:var(--primary)}
    .footer-note{
      color:var(--text-muted);
      font-size:14px;
      line-height:1.75;
      margin-bottom:0;
    }
    .copyright{
      display:flex;
      justify-content:space-between;
      gap:16px;
      padding-top:24px;
      margin-top:28px;
      border-top:1px solid rgba(148,204,255,.12);
      color:rgba(159,178,200,.75);
      font-size:13px;
    }
    @media (max-width:1180px){
      .nav-actions .btn-secondary{display:none}
      .command-search{width:210px}
    }
    @media (max-width:1024px){
      .desktop-nav,.nav-actions{display:none}
      .menu-toggle{display:grid;place-items:center}
      .mobile-panel.is-open{display:block}
      .mobile-panel .command-search{width:100%}
      .page-hero{padding-top:44px}
      .filter-card{position:relative;top:auto}
      .feature-strip{grid-template-columns:repeat(2,minmax(0,1fr))}
      .footer-grid{grid-template-columns:repeat(2,minmax(0,1fr))}
      .copyright{flex-direction:column}
    }
    @media (max-width:768px){
      .grid-container{padding-left:18px;padding-right:18px}
      .section{padding:58px 0}
      .section-head{display:block}
      .hero-shell{padding:24px}
      .hero-shell:after{font-size:72px;right:16px;top:18px}
      .status-panel{margin-top:24px}
      .card-grid{grid-template-columns:1fr}
      .banner-inner{display:block}
      .banner .btn{margin-top:18px}
      .faq-grid{grid-template-columns:1fr}
      .cta-panel{padding:24px}
      .cta-deco{margin-top:22px}
    }
    @media (max-width:520px){
      .site-header{padding:10px 12px}
      .brand-mark{width:40px;height:40px;border-radius:14px}
      .brand-text{font-size:15px}
      .brand-text span{font-size:11px}
      h1{font-size:34px;letter-spacing:-.045em}
      h2{font-size:27px}
      .hero-actions,.filter-row{display:grid;grid-template-columns:1fr}
      .btn{width:100%}
      .chip{justify-content:center}
      .topic-cover{height:138px}
      .feature-strip{grid-template-columns:1fr}
      .footer-grid{grid-template-columns:1fr}
      .copyright{font-size:12px}
    }