/* roulang page: index */
:root{
      --bg:#090b14;
      --bg-2:#0d1020;
      --panel:rgba(16,20,36,.84);
      --panel-2:rgba(20,25,44,.88);
      --panel-3:rgba(12,15,28,.92);
      --line:rgba(255,255,255,.08);
      --line-2:rgba(168,85,247,.24);
      --text:#edf0fb;
      --muted:#a5acc6;
      --soft:#cad0e6;
      --accent:#b25cff;
      --accent-2:#27d7ef;
      --accent-3:#ff6fb1;
      --good:#34d399;
      --warn:#f7b955;
      --danger:#fb7185;
      --shadow:0 24px 70px rgba(0,0,0,.36);
      --shadow-soft:0 12px 28px rgba(0,0,0,.22);
      --radius:18px;
      --radius-lg:26px;
      --radius-sm:12px;
      --container:1200px;
      --transition:180ms ease;
    }
    *{box-sizing:border-box}
    html{scroll-behavior:smooth}
    body{
      margin:0;
      min-height:100vh;
      font-family:Inter,"HarmonyOS Sans","PingFang SC","Hiragino Sans GB","Microsoft YaHei",system-ui,sans-serif;
      color:var(--text);
      background:
        radial-gradient(1200px 540px at 18% -10%, rgba(178,92,255,.22), transparent 48%),
        radial-gradient(900px 460px at 88% 8%, rgba(39,215,239,.12), transparent 42%),
        radial-gradient(700px 420px at 68% 28%, rgba(255,111,177,.09), transparent 42%),
        linear-gradient(180deg, #070913 0%, #090b14 42%, #080910 100%);
      line-height:1.7;
      letter-spacing:.01em;
      overflow-x:hidden;
    }
    body::before{
      content:"";
      position:fixed;
      inset:0;
      pointer-events:none;
      background:
        linear-gradient(rgba(255,255,255,.02) 1px, transparent 1px) 0 0/100% 32px,
        linear-gradient(90deg, rgba(255,255,255,.018) 1px, transparent 1px) 0 0/32px 100%;
      mask-image:radial-gradient(circle at center, black 55%, transparent 100%);
      opacity:.45;
      z-index:0;
    }
    body::after{
      content:"";
      position:fixed;
      inset:0;
      pointer-events:none;
      background:linear-gradient(180deg, rgba(255,255,255,.02), transparent 18%, transparent 82%, rgba(255,255,255,.015));
      opacity:.35;
      z-index:0;
    }
    a{color:inherit;text-decoration:none}
    img{max-width:100%;display:block}
    button,input,select,textarea{
      font:inherit;
      color:inherit;
    }
    button{
      border:0;
      background:none;
      padding:0;
      cursor:pointer;
    }
    ::selection{
      background:rgba(178,92,255,.32);
      color:#fff;
    }
    :focus-visible{
      outline:2px solid rgba(39,215,239,.8);
      outline-offset:3px;
    }
    .container{
      width:min(var(--container), calc(100% - 32px));
      margin:0 auto;
      position:relative;
      z-index:1;
    }
    .site-header{
      position:sticky;
      top:0;
      z-index:50;
      backdrop-filter:blur(18px);
      background:linear-gradient(180deg, rgba(8,10,18,.92), rgba(8,10,18,.72));
      border-bottom:1px solid rgba(255,255,255,.06);
      box-shadow:0 1px 0 rgba(255,255,255,.03) inset;
    }
    .site-header::before{
      content:"";
      position:absolute;
      left:0;
      right:0;
      top:0;
      height:1px;
      background:linear-gradient(90deg, transparent, rgba(178,92,255,.6), rgba(39,215,239,.55), transparent);
      opacity:.65;
    }
    .header-row{
      min-height:76px;
      display:flex;
      align-items:center;
      gap:16px;
      padding:12px 0;
    }
    .brand{
      display:inline-flex;
      align-items:center;
      gap:12px;
      font-weight:800;
      letter-spacing:.02em;
      white-space:nowrap;
      color:#fff;
      font-size:1.02rem;
      flex:0 0 auto;
    }
    .brand-mark{
      width:36px;
      height:36px;
      border-radius:12px;
      position:relative;
      background:
        linear-gradient(135deg, rgba(178,92,255,.95), rgba(39,215,239,.88));
      box-shadow:0 10px 30px rgba(178,92,255,.2);
      overflow:hidden;
    }
    .brand-mark::before,
    .brand-mark::after{
      content:"";
      position:absolute;
      inset:8px;
      border:1px solid rgba(255,255,255,.35);
      border-radius:10px;
      transform:rotate(12deg);
    }
    .brand-mark::after{
      inset:13px 10px 10px 13px;
      border-radius:8px;
      opacity:.55;
      transform:rotate(-8deg);
    }
    .brand-text{
      display:flex;
      flex-direction:column;
      line-height:1.15;
    }
    .brand-text small{
      color:var(--muted);
      font-weight:500;
      font-size:.78rem;
      margin-top:3px;
    }
    .main-nav{
      display:flex;
      align-items:center;
      gap:8px;
      margin-left:10px;
      padding:6px;
      border:1px solid rgba(255,255,255,.06);
      border-radius:999px;
      background:rgba(255,255,255,.03);
    }
    .nav-link{
      display:inline-flex;
      align-items:center;
      gap:8px;
      padding:10px 16px;
      border-radius:999px;
      color:var(--soft);
      font-size:.95rem;
      font-weight:600;
      border:1px solid transparent;
      transition:transform var(--transition), background var(--transition), color var(--transition), border-color var(--transition), box-shadow var(--transition);
      position:relative;
      overflow:hidden;
    }
    .nav-link:hover,
    .nav-link:focus-visible{
      color:#fff;
      background:rgba(255,255,255,.06);
      border-color:rgba(178,92,255,.22);
      box-shadow:0 0 0 1px rgba(39,215,239,.12) inset;
      transform:translateY(-1px);
    }
    .nav-link.active{
      color:#fff;
      background:linear-gradient(135deg, rgba(178,92,255,.22), rgba(39,215,239,.16));
      border-color:rgba(178,92,255,.32);
      box-shadow:0 10px 24px rgba(178,92,255,.1);
    }
    .nav-link.active::after{
      content:"";
      position:absolute;
      left:16px;
      right:16px;
      bottom:7px;
      height:1px;
      background:linear-gradient(90deg, rgba(178,92,255,0), rgba(39,215,239,.95), rgba(178,92,255,0));
      opacity:.9;
    }
    .nav-spacer{
      flex:1;
      min-width:16px;
    }
    .command-search{
      width:min(330px, 28vw);
      min-width:240px;
      display:flex;
      align-items:center;
      gap:10px;
      padding:10px 14px;
      border-radius:999px;
      border:1px solid rgba(255,255,255,.08);
      background:rgba(255,255,255,.04);
      box-shadow:0 10px 24px rgba(0,0,0,.16) inset;
      transition:border-color var(--transition), background var(--transition), box-shadow var(--transition), transform var(--transition);
    }
    .command-search:focus-within{
      border-color:rgba(39,215,239,.44);
      background:rgba(255,255,255,.06);
      box-shadow:0 0 0 1px rgba(39,215,239,.14) inset, 0 16px 26px rgba(0,0,0,.18);
      transform:translateY(-1px);
    }
    .search-icon{
      color:rgba(255,255,255,.72);
      font-size:1rem;
      opacity:.9;
    }
    .command-search input{
      flex:1;
      background:transparent;
      border:0;
      outline:none;
      min-width:0;
      color:var(--text);
    }
    .command-search input::placeholder{
      color:#8f97b2;
    }
    .kbd{
      display:inline-flex;
      align-items:center;
      justify-content:center;
      min-width:40px;
      padding:4px 8px;
      border-radius:8px;
      border:1px solid rgba(255,255,255,.1);
      background:rgba(255,255,255,.04);
      color:#cdd3ea;
      font-size:.76rem;
      line-height:1;
      white-space:nowrap;
    }
    .btn{
      display:inline-flex;
      align-items:center;
      justify-content:center;
      gap:10px;
      padding:13px 18px;
      border-radius:999px;
      font-weight:700;
      font-size:.95rem;
      border:1px solid transparent;
      transition:transform var(--transition), box-shadow var(--transition), border-color var(--transition), background var(--transition), color var(--transition), opacity var(--transition);
      user-select:none;
      white-space:nowrap;
    }
    .btn:hover,
    .btn:focus-visible{
      transform:translateY(-1px);
    }
    .btn-primary{
      color:#fff;
      background:linear-gradient(135deg, rgba(178,92,255,1), rgba(39,215,239,.95));
      box-shadow:0 14px 36px rgba(178,92,255,.18);
      border-color:rgba(255,255,255,.08);
    }
    .btn-primary:hover,
    .btn-primary:focus-visible{
      box-shadow:0 16px 40px rgba(178,92,255,.26);
    }
    .btn-secondary{
      color:#eff3ff;
      background:rgba(255,255,255,.04);
      border-color:rgba(255,255,255,.08);
    }
    .btn-secondary:hover,
    .btn-secondary:focus-visible{
      background:rgba(255,255,255,.07);
      border-color:rgba(39,215,239,.25);
    }
    .btn-ghost{
      color:var(--soft);
      background:transparent;
      border-color:rgba(255,255,255,.1);
    }
    .btn-ghost:hover,
    .btn-ghost:focus-visible{
      color:#fff;
      border-color:rgba(178,92,255,.3);
      background:rgba(255,255,255,.04);
    }
    .menu-toggle{
      display:none;
      width:44px;
      height:44px;
      border-radius:14px;
      border:1px solid rgba(255,255,255,.08);
      background:rgba(255,255,255,.04);
      color:#fff;
      align-items:center;
      justify-content:center;
      margin-left:auto;
      transition:background var(--transition), transform var(--transition), border-color var(--transition);
    }
    .menu-toggle:hover,
    .menu-toggle:focus-visible{
      background:rgba(255,255,255,.07);
      transform:translateY(-1px);
      border-color:rgba(39,215,239,.24);
    }
    .menu-icon{
      position:relative;
      width:18px;
      height:12px;
    }
    .menu-icon span{
      position:absolute;
      left:0;
      right:0;
      height:2px;
      border-radius:999px;
      background:currentColor;
      transition:transform var(--transition), top var(--transition), opacity var(--transition);
    }
    .menu-icon span:nth-child(1){top:0}
    .menu-icon span:nth-child(2){top:5px}
    .menu-icon span:nth-child(3){top:10px}

    .hero{
      padding:34px 0 18px;
    }
    .hero-shell{
      position:relative;
      overflow:hidden;
      border:1px solid rgba(255,255,255,.07);
      border-radius:32px;
      background:
        linear-gradient(180deg, rgba(13,16,31,.9), rgba(10,12,22,.92)),
        radial-gradient(circle at top right, rgba(178,92,255,.15), transparent 35%),
        radial-gradient(circle at top left, rgba(39,215,239,.1), transparent 32%);
      box-shadow:var(--shadow);
      padding:28px;
    }
    .hero-shell::before{
      content:"";
      position:absolute;
      inset:0;
      background:
        linear-gradient(120deg, transparent 0%, transparent 42%, rgba(39,215,239,.05) 50%, transparent 58%, transparent 100%);
      opacity:.8;
      pointer-events:none;
    }
    .hero-grid{
      display:grid;
      grid-template-columns:minmax(0,1.1fr) minmax(320px,.9fr);
      gap:24px;
      align-items:stretch;
      position:relative;
      z-index:1;
    }
    .hero-copy{
      display:flex;
      flex-direction:column;
      justify-content:space-between;
      gap:18px;
      min-width:0;
    }
    .eyebrow{
      display:inline-flex;
      align-items:center;
      gap:10px;
      width:fit-content;
      padding:8px 12px;
      border-radius:999px;
      border:1px solid rgba(255,255,255,.08);
      background:rgba(255,255,255,.04);
      color:#d8dcf1;
      font-size:.84rem;
      letter-spacing:.02em;
    }
    .eyebrow::before{
      content:"";
      width:8px;
      height:8px;
      border-radius:999px;
      background:linear-gradient(135deg, var(--accent), var(--accent-2));
      box-shadow:0 0 0 4px rgba(178,92,255,.14);
    }
    h1,h2,h3,p{margin:0}
    .hero-title{
      font-size:clamp(2.3rem, 5vw, 4.9rem);
      line-height:1.02;
      letter-spacing:-.04em;
      font-weight:900;
      text-wrap:balance;
      max-width:11ch;
    }
    .hero-title span{
      display:block;
      color:transparent;
      background:linear-gradient(135deg, #fff, #d6d9f2 36%, #9fb7ff 66%, #7ee7ff);
      -webkit-background-clip:text;
      background-clip:text;
    }
    .hero-desc{
      max-width:64ch;
      color:var(--soft);
      font-size:1.03rem;
      line-height:1.85;
    }
    .hero-actions{
      display:flex;
      flex-wrap:wrap;
      gap:12px;
      align-items:center;
    }
    .hero-tags{
      display:flex;
      flex-wrap:wrap;
      gap:10px;
    }
    .chip{
      display:inline-flex;
      align-items:center;
      gap:8px;
      padding:9px 12px;
      border-radius:999px;
      border:1px solid rgba(255,255,255,.09);
      background:rgba(255,255,255,.035);
      color:#d6d9ea;
      font-size:.84rem;
      line-height:1;
      transition:transform var(--transition), border-color var(--transition), background var(--transition), color var(--transition);
    }
    .chip strong{
      color:#fff;
      font-weight:800;
    }
    .chip:hover{
      transform:translateY(-1px);
      border-color:rgba(39,215,239,.24);
      background:rgba(255,255,255,.055);
      color:#fff;
    }
    .hero-stats{
      display:grid;
      grid-template-columns:repeat(4, minmax(0,1fr));
      gap:12px;
      margin-top:auto;
    }
    .stat-card{
      padding:14px 14px 12px;
      border-radius:18px;
      background:linear-gradient(180deg, rgba(255,255,255,.055), rgba(255,255,255,.03));
      border:1px solid rgba(255,255,255,.08);
      box-shadow:0 12px 24px rgba(0,0,0,.12);
      min-height:96px;
      display:flex;
      flex-direction:column;
      justify-content:space-between;
    }
    .stat-card .num{
      font-size:1.55rem;
      font-weight:900;
      line-height:1;
      letter-spacing:-.04em;
      color:#fff;
    }
    .stat-card .label{
      color:var(--muted);
      font-size:.84rem;
      margin-top:6px;
    }
    .stat-mini{
      display:flex;
      gap:4px;
      align-items:flex-end;
      height:28px;
      margin-top:8px;
    }
    .spark{
      width:100%;
      height:26px;
      display:flex;
      align-items:flex-end;
      gap:4px;
    }
    .spark span{
      flex:1;
      min-width:4px;
      border-radius:999px 999px 0 0;
      background:linear-gradient(180deg, rgba(39,215,239,.85), rgba(178,92,255,.35));
      opacity:.9;
    }
    .spark span:nth-child(1){height:34%}
    .spark span:nth-child(2){height:58%}
    .spark span:nth-child(3){height:44%}
    .spark span:nth-child(4){height:78%}
    .spark span:nth-child(5){height:66%}
    .spark span:nth-child(6){height:92%}
    .hero-stage{
      display:grid;
      gap:16px;
      align-content:stretch;
    }
    .poster-card{
      position:relative;
      overflow:hidden;
      min-height:320px;
      border-radius:26px;
      border:1px solid rgba(255,255,255,.09);
      background:
        radial-gradient(circle at 28% 22%, rgba(178,92,255,.28), transparent 28%),
        radial-gradient(circle at 75% 20%, rgba(39,215,239,.2), transparent 24%),
        linear-gradient(145deg, rgba(24,28,48,.98), rgba(11,14,24,.96));
      box-shadow:var(--shadow-soft);
      padding:20px;
      display:flex;
      flex-direction:column;
      justify-content:space-between;
    }
    .poster-card::before{
      content:"";
      position:absolute;
      inset:0;
      background:
        linear-gradient(180deg, transparent 0, rgba(255,255,255,.04) 45%, rgba(255,255,255,0) 100%),
        linear-gradient(90deg, rgba(255,255,255,.02) 1px, transparent 1px) 0 0/24px 100%;
      opacity:.65;
      pointer-events:none;
    }
    .poster-top,
    .poster-bottom{
      position:relative;
      z-index:1;
    }
    .poster-badge{
      display:inline-flex;
      align-items:center;
      gap:8px;
      width:fit-content;
      padding:8px 12px;
      border-radius:999px;
      background:rgba(255,255,255,.07);
      border:1px solid rgba(255,255,255,.09);
      color:#f3f5ff;
      font-size:.82rem;
    }
    .poster-badge .dot{
      width:8px;
      height:8px;
      border-radius:999px;
      background:var(--good);
      box-shadow:0 0 0 4px rgba(52,211,153,.12);
    }
    .poster-title{
      margin-top:14px;
      font-size:1.7rem;
      line-height:1.1;
      font-weight:850;
      letter-spacing:-.03em;
      max-width:10ch;
    }
    .poster-copy{
      margin-top:10px;
      color:#d0d5e8;
      font-size:.95rem;
      max-width:24ch;
      line-height:1.7;
    }
    .poster-footer{
      display:flex;
      align-items:flex-end;
      justify-content:space-between;
      gap:14px;
    }
    .countdown{
      display:grid;
      grid-template-columns:repeat(4, minmax(0,1fr));
      gap:10px;
      width:100%;
      margin-top:16px;
    }
    .timebox{
      padding:12px 10px;
      border-radius:16px;
      background:rgba(10,12,22,.72);
      border:1px solid rgba(255,255,255,.08);
      text-align:center;
    }
    .timebox strong{
      display:block;
      font-size:1.35rem;
      font-weight:900;
      line-height:1;
      color:#fff;
      letter-spacing:-.03em;
    }
    .timebox span{
      display:block;
      margin-top:6px;
      font-size:.78rem;
      color:var(--muted);
    }
    .poster-cta-row{
      display:flex;
      gap:10px;
      flex-wrap:wrap;
      margin-top:16px;
    }
    .poster-panel{
      padding:16px;
      border-radius:22px;
      border:1px solid rgba(255,255,255,.08);
      background:linear-gradient(180deg, rgba(255,255,255,.05), rgba(255,255,255,.025));
    }
    .poster-panel h3{
      font-size:1rem;
      margin-bottom:8px;
    }
    .poster-panel p{
      color:var(--muted);
      font-size:.9rem;
      line-height:1.7;
    }
    .poster-side{
      display:grid;
      grid-template-columns:1fr 1fr;
      gap:12px;
    }
    .micro-band{
      padding:14px;
      border-radius:18px;
      background:rgba(255,255,255,.04);
      border:1px solid rgba(255,255,255,.08);
    }
    .micro-band .head{
      display:flex;
      align-items:center;
      justify-content:space-between;
      gap:12px;
      margin-bottom:10px;
    }
    .micro-band .head strong{
      font-size:.93rem;
    }
    .micro-band .head span{
      color:var(--muted);
      font-size:.8rem;
    }
    .meter{
      height:8px;
      border-radius:999px;
      background:rgba(255,255,255,.05);
      overflow:hidden;
      position:relative;
    }
    .meter > i{
      display:block;
      height:100%;
      border-radius:inherit;
      background:linear-gradient(90deg, rgba(178,92,255,.95), rgba(39,215,239,.9));
      box-shadow:0 0 20px rgba(39,215,239,.18);
    }
    .meter.m-1 > i{width:82%}
    .meter.m-2 > i{width:63%}
    .meter.m-3 > i{width:91%}
    .meter.m-4 > i{width:74%}

    main{
      position:relative;
      z-index:1;
      padding-bottom:38px;
    }
    .section{
      padding:18px 0;
    }
    .section-head{
      display:flex;
      align-items:flex-end;
      justify-content:space-between;
      gap:18px;
      margin-bottom:18px;
    }
    .section-title-group{
      max-width:760px;
    }
    .section-kicker{
      display:inline-flex;
      align-items:center;
      gap:8px;
      padding:7px 12px;
      border-radius:999px;
      border:1px solid rgba(255,255,255,.08);
      background:rgba(255,255,255,.035);
      color:#d9def2;
      font-size:.82rem;
      margin-bottom:10px;
    }
    .section-kicker::before{
      content:"";
      width:7px;
      height:7px;
      border-radius:999px;
      background:linear-gradient(135deg, var(--accent-2), var(--accent));
      box-shadow:0 0 0 4px rgba(39,215,239,.11);
    }
    .section-head h2{
      font-size:clamp(1.5rem, 2.6vw, 2.15rem);
      line-height:1.15;
      letter-spacing:-.03em;
      font-weight:850;
    }
    .section-head p{
      margin-top:10px;
      color:var(--muted);
      max-width:70ch;
      line-height:1.8;
      font-size:.98rem;
    }
    .section-head .head-actions{
      display:flex;
      align-items:center;
      gap:10px;
      flex-wrap:wrap;
    }

    .metrics-grid{
      display:grid;
      grid-template-columns:repeat(4, minmax(0,1fr));
      gap:14px;
    }
    .metric{
      position:relative;
      overflow:hidden;
      padding:18px;
      border-radius:22px;
      background:linear-gradient(180deg, rgba(255,255,255,.05), rgba(255,255,255,.03));
      border:1px solid rgba(255,255,255,.08);
      box-shadow:var(--shadow-soft);
      min-height:156px;
      display:flex;
      flex-direction:column;
      justify-content:space-between;
    }
    .metric::after{
      content:"";
      position:absolute;
      inset:auto -20% -30% auto;
      width:120px;
      height:120px;
      background:radial-gradient(circle, rgba(39,215,239,.14), transparent 68%);
      pointer-events:none;
    }
    .metric .label{
      color:#b6bdd3;
      font-size:.86rem;
      margin-bottom:8px;
    }
    .metric .value{
      font-size:2.1rem;
      line-height:1;
      font-weight:900;
      letter-spacing:-.04em;
    }
    .metric .meta{
      display:flex;
      align-items:center;
      justify-content:space-between;
      gap:10px;
      color:var(--muted);
      font-size:.82rem;
      margin-top:12px;
    }
    .metric .pill{
      display:inline-flex;
      align-items:center;
      gap:6px;
      padding:6px 9px;
      border-radius:999px;
      border:1px solid rgba(255,255,255,.08);
      background:rgba(255,255,255,.035);
      color:#dde1f3;
      font-size:.78rem;
      white-space:nowrap;
    }
    .metric .mini-chart{
      margin-top:12px;
    }

    .matrix-grid{
      display:grid;
      grid-template-columns:minmax(0,1.35fr) minmax(240px,.8fr) minmax(240px,.8fr);
      gap:14px;
      align-items:stretch;
    }
    .card{
      position:relative;
      overflow:hidden;
      border-radius:24px;
      border:1px solid rgba(255,255,255,.08);
      background:linear-gradient(180deg, rgba(255,255,255,.05), rgba(255,255,255,.03));
      box-shadow:var(--shadow-soft);
      transition:transform var(--transition), border-color var(--transition), box-shadow var(--transition), background var(--transition);
    }
    .card:hover{
      transform:translateY(-2px);
      border-color:rgba(39,215,239,.24);
      box-shadow:0 20px 40px rgba(0,0,0,.24);
    }
    .card-cover{
      min-height:140px;
      background:
        radial-gradient(circle at 24% 24%, rgba(178,92,255,.38), transparent 26%),
        radial-gradient(circle at 82% 20%, rgba(39,215,239,.26), transparent 20%),
        linear-gradient(135deg, rgba(20,26,45,.98), rgba(8,10,18,.98));
      border-bottom:1px solid rgba(255,255,255,.06);
      position:relative;
    }
    .card-cover::before{
      content:"";
      position:absolute;
      inset:0;
      background:
        linear-gradient(180deg, rgba(255,255,255,.05), transparent 44%),
        linear-gradient(90deg, rgba(255,255,255,.02) 1px, transparent 1px) 0 0/24px 100%;
      opacity:.65;
    }
    .card-body{
      padding:18px;
    }
    .card-topline{
      display:flex;
      align-items:center;
      justify-content:space-between;
      gap:12px;
      margin-bottom:12px;
    }
    .status{
      display:inline-flex;
      align-items:center;
      gap:8px;
      padding:6px 10px;
      border-radius:999px;
      background:rgba(255,255,255,.05);
      border:1px solid rgba(255,255,255,.07);
      color:#e7eaf7;
      font-size:.76rem;
      font-weight:700;
      letter-spacing:.02em;
    }
    .status::before{
      content:"";
      width:7px;
      height:7px;
      border-radius:999px;
      background:var(--good);
      box-shadow:0 0 0 4px rgba(52,211,153,.12);
    }
    .status.hot::before{background:var(--warn); box-shadow:0 0 0 4px rgba(247,185,85,.12)}
    .status.new::before{background:var(--accent-2); box-shadow:0 0 0 4px rgba(39,215,239,.12)}
    .status.pick::before{background:var(--accent); box-shadow:0 0 0 4px rgba(178,92,255,.12)}
    .card-title{
      font-size:1.18rem;
      line-height:1.25;
      font-weight:800;
      letter-spacing:-.02em;
      margin-bottom:8px;
    }
    .card-desc{
      color:var(--muted);
      font-size:.93rem;
      line-height:1.75;
      min-height:52px;
    }
    .card-meta{
      margin-top:14px;
      display:flex;
      flex-wrap:wrap;
      gap:8px;
    }
    .tag{
      display:inline-flex;
      align-items:center;
      gap:6px;
      padding:7px 10px;
      border-radius:999px;
      border:1px solid rgba(255,255,255,.08);
      background:rgba(255,255,255,.03);
      color:#dce0f3;
      font-size:.78rem;
    }
    .card-footer{
      margin-top:16px;
      display:flex;
      align-items:center;
      justify-content:space-between;
      gap:12px;
    }
    .action-link{
      display:inline-flex;
      align-items:center;
      gap:8px;
      color:#fff;
      font-weight:700;
      font-size:.9rem;
      transition:transform var(--transition), color var(--transition);
    }
    .action-link:hover{
      color:#dffcff;
      transform:translateX(2px);
    }
    .action-link .arrow{
      transition:transform var(--transition);
    }
    .action-link:hover .arrow{
      transform:translateX(2px);
    }
    .card-large{
      grid-row:span 2;
      min-height:100%;
    }
    .card-large .card-cover{
      min-height:220px;
    }
    .card-large .card-title{
      font-size:1.45rem;
    }
    .card-large .card-desc{
      min-height:84px;
    }
    .split-note{
      margin-top:14px;
      padding:14px 16px;
      border-radius:18px;
      background:rgba(255,255,255,.035);
      border:1px solid rgba(255,255,255,.07);
      color:#dfe3f4;
      font-size:.92rem;
      line-height:1.7;
    }
    .card-mini .card-cover{
      min-height:88px;
    }
    .card-mini .card-title{
      font-size:1.04rem;
    }

    .updates-grid{
      display:grid;
      grid-template-columns:minmax(0,1.1fr) minmax(290px,.9fr);
      gap:14px;
    }
    .list-panel,
    .aside-panel{
      border-radius:24px;
      border:1px solid rgba(255,255,255,.08);
      background:linear-gradient(180deg, rgba(255,255,255,.05), rgba(255,255,255,.03));
      box-shadow:var(--shadow-soft);
      overflow:hidden;
    }
    .list-head,
    .aside-head{
      padding:18px 18px 14px;
      border-bottom:1px solid rgba(255,255,255,.06);
      display:flex;
      align-items:center;
      justify-content:space-between;
      gap:10px;
    }
    .list-head h3,
    .aside-head h3{
      font-size:1.05rem;
      font-weight:800;
    }
    .list-head p,
    .aside-head p{
      color:var(--muted);
      font-size:.88rem;
      line-height:1.6;
      margin-top:4px;
    }
    .list-body{
      padding:8px 8px 12px;
    }
    .news-item{
      display:flex;
      align-items:flex-start;
      gap:14px;
      padding:14px 12px;
      border-radius:18px;
      transition:background var(--transition), transform var(--transition), border-color var(--transition);
      border:1px solid transparent;
    }
    .news-item:hover{
      background:rgba(255,255,255,.04);
      border-color:rgba(39,215,239,.16);
      transform:translateX(2px);
    }
    .news-time{
      flex:0 0 auto;
      display:inline-flex;
      align-items:center;
      justify-content:center;
      min-width:60px;
      padding:8px 10px;
      border-radius:14px;
      background:rgba(255,255,255,.04);
      border:1px solid rgba(255,255,255,.08);
      color:#e4e8f9;
      font-size:.8rem;
      font-weight:700;
    }
    .news-main{
      min-width:0;
      flex:1;
    }
    .news-title{
      display:flex;
      align-items:center;
      gap:8px;
      font-weight:750;
      line-height:1.5;
      color:#f4f6ff;
    }
    .news-title .bullet{
      width:6px;
      height:6px;
      border-radius:999px;
      background:linear-gradient(135deg, var(--accent), var(--accent-2));
      flex:0 0 auto;
    }
    .news-title a{
      display:inline;
    }
    .news-meta{
      margin-top:6px;
      color:var(--muted);
      font-size:.86rem;
      line-height:1.6;
    }
    .aside-body{
      padding:16px 16px 18px;
    }
    .topic-cloud{
      display:flex;
      flex-wrap:wrap;
      gap:10px;
      margin-bottom:16px;
    }
    .mini-card{
      padding:14px 15px;
      border-radius:18px;
      border:1px solid rgba(255,255,255,.08);
      background:rgba(255,255,255,.04);
      margin-top:12px;
    }
    .mini-card h4{
      font-size:.96rem;
      margin-bottom:8px;
    }
    .mini-card p{
      color:var(--muted);
      font-size:.88rem;
      line-height:1.7;
    }
    .bullet-list{
      list-style:none;
      padding:0;
      margin:0;
      display:grid;
      gap:10px;
    }
    .bullet-list li{
      display:flex;
      align-items:flex-start;
      gap:10px;
      color:#dfe3f5;
      font-size:.92rem;
      line-height:1.7;
    }
    .bullet-list li::before{
      content:"";
      width:9px;
      height:9px;
      border-radius:999px;
      background:linear-gradient(135deg, var(--accent-3), var(--accent));
      box-shadow:0 0 0 4px rgba(255,111,177,.1);
      margin-top:.55em;
      flex:0 0 auto;
    }

    .compare-grid{
      display:grid;
      grid-template-columns:repeat(2, minmax(0,1fr));
      gap:14px;
    }
    .compare-panel{
      padding:18px;
      border-radius:24px;
      border:1px solid rgba(255,255,255,.08);
      background:linear-gradient(180deg, rgba(255,255,255,.05), rgba(255,255,255,.03));
      box-shadow:var(--shadow-soft);
    }
    .compare-panel h3{
      font-size:1.08rem;
      font-weight:800;
      margin-bottom:10px;
    }
    .compare-panel p{
      color:var(--muted);
      font-size:.9rem;
      line-height:1.75;
      margin-bottom:14px;
    }
    .compare-table{
      display:grid;
      gap:10px;
    }
    .compare-row{
      display:grid;
      grid-template-columns:1.1fr .9fr .9fr;
      gap:12px;
      align-items:center;
      padding:12px 0;
      border-top:1px solid rgba(255,255,255,.06);
    }
    .compare-row:first-child{
      border-top:0;
      padding-top:0;
    }
    .compare-row .dim{
      color:#f0f3ff;
      font-weight:700;
      font-size:.92rem;
    }
    .compare-row .bar{
      height:10px;
      border-radius:999px;
      background:rgba(255,255,255,.05);
      overflow:hidden;
      position:relative;
    }
    .compare-row .bar i{
      display:block;
      height:100%;
      border-radius:inherit;
      background:linear-gradient(90deg, rgba(178,92,255,.95), rgba(39,215,239,.92));
    }
    .compare-row .old i{width:45%}
    .compare-row .new i{width:86%}
    .compare-row .old,
    .compare-row .new{
      position:relative;
    }
    .compare-row .old span,
    .compare-row .new span{
      display:block;
      margin-top:6px;
      font-size:.78rem;
      color:var(--muted);
    }
    .score-grid{
      display:grid;
      grid-template-columns:repeat(2, minmax(0,1fr));
      gap:12px;
      margin-top:12px;
    }
    .score-card{
      padding:14px;
      border-radius:18px;
      background:rgba(255,255,255,.04);
      border:1px solid rgba(255,255,255,.08);
    }
    .score-card strong{
      display:block;
      font-size:1.42rem;
      line-height:1;
      margin-bottom:6px;
      font-weight:900;
    }
    .score-card span{
      color:var(--muted);
      font-size:.86rem;
    }
    .compare-badges{
      display:flex;
      flex-wrap:wrap;
      gap:10px;
      margin-top:14px;
    }

    .proof-grid{
      display:grid;
      grid-template-columns:1fr .95fr;
      gap:14px;
    }
    .proof-panel,
    .changelog-panel{
      padding:18px;
      border-radius:24px;
      border:1px solid rgba(255,255,255,.08);
      background:linear-gradient(180deg, rgba(255,255,255,.05), rgba(255,255,255,.03));
      box-shadow:var(--shadow-soft);
    }
    .proof-stats{
      display:grid;
      grid-template-columns:repeat(2, minmax(0,1fr));
      gap:12px;
      margin-top:10px;
    }
    .proof-stat{
      padding:16px;
      border-radius:18px;
      background:rgba(255,255,255,.04);
      border:1px solid rgba(255,255,255,.08);
    }
    .proof-stat .big{
      display:block;
      font-size:1.95rem;
      font-weight:900;
      letter-spacing:-.04em;
      line-height:1;
    }
    .proof-stat .small{
      margin-top:8px;
      color:var(--muted);
      font-size:.86rem;
      line-height:1.6;
    }
    .rank-list{
      margin-top:14px;
      display:grid;
      gap:10px;
    }
    .rank-item{
      display:grid;
      grid-template-columns:40px 1fr auto;
      gap:12px;
      align-items:center;
      padding:12px 12px;
      border-radius:16px;
      background:rgba(255,255,255,.035);
      border:1px solid rgba(255,255,255,.07);
    }
    .rank-num{
      width:40px;
      height:40px;
      border-radius:14px;
      display:grid;
      place-items:center;
      background:linear-gradient(135deg, rgba(178,92,255,.24), rgba(39,215,239,.14));
      color:#fff;
      font-weight:800;
    }
    .rank-name{
      font-weight:700;
      line-height:1.45;
    }
    .rank-meta{
      color:var(--muted);
      font-size:.84rem;
      text-align:right;
    }
    .changelog-list{
      display:grid;
      gap:12px;
      margin-top:10px;
    }
    .change-item{
      padding:14px 14px 14px 16px;
      border-radius:18px;
      border:1px solid rgba(255,255,255,.07);
      background:rgba(255,255,255,.035);
      position:relative;
    }
    .change-item::before{
      content:"";
      position:absolute;
      left:0;
      top:16px;
      bottom:16px;
      width:3px;
      border-radius:999px;
      background:linear-gradient(180deg, rgba(178,92,255,.95), rgba(39,215,239,.88));
    }
    .change-item .time{
      color:#f0f4ff;
      font-weight:800;
      font-size:.84rem;
      margin-bottom:4px;
    }
    .change-item p{
      color:var(--muted);
      font-size:.9rem;
      line-height:1.7;
      padding-left:2px;
    }

    .faq-wrap{
      display:grid;
      grid-template-columns:minmax(0,1fr) minmax(280px,.7fr);
      gap:14px;
      align-items:start;
    }
    .faq-list,
    .faq-side{
      border-radius:24px;
      border:1px solid rgba(255,255,255,.08);
      background:linear-gradient(180deg, rgba(255,255,255,.05), rgba(255,255,255,.03));
      box-shadow:var(--shadow-soft);
    }
    .faq-item{
      border-top:1px solid rgba(255,255,255,.06);
    }
    .faq-item:first-child{
      border-top:0;
    }
    .faq-q{
      width:100%;
      display:flex;
      align-items:center;
      justify-content:space-between;
      gap:18px;
      padding:18px 18px;
      text-align:left;
      color:#fff;
      font-weight:760;
      font-size:1rem;
      transition:background var(--transition);
    }
    .faq-q:hover{
      background:rgba(255,255,255,.025);
    }
    .faq-q span{
      display:inline-flex;
      align-items:center;
      gap:10px;
    }
    .faq-q span::before{
      content:"";
      width:10px;
      height:10px;
      border-radius:999px;
      background:linear-gradient(135deg, var(--accent), var(--accent-2));
      box-shadow:0 0 0 4px rgba(178,92,255,.08);
      flex:0 0 auto;
    }
    .faq-arrow{
      width:34px;
      height:34px;
      border-radius:12px;
      display:grid;
      place-items:center;
      background:rgba(255,255,255,.045);
      border:1px solid rgba(255,255,255,.08);
      color:#d8ddf0;
      transition:transform var(--transition), background var(--transition), border-color var(--transition);
      flex:0 0 auto;
    }
    .faq-item.open .faq-arrow{
      transform:rotate(180deg);
      background:rgba(178,92,255,.12);
      border-color:rgba(178,92,255,.24);
    }
    .faq-a{
      max-height:0;
      overflow:hidden;
      transition:max-height .28s ease, padding .28s ease;
      padding:0 18px;
      color:var(--muted);
      font-size:.94rem;
      line-height:1.8;
    }
    .faq-item.open .faq-a{
      padding:0 18px 18px;
      max-height:220px;
    }
    .faq-side{
      padding:18px;
      position:sticky;
      top:94px;
    }
    .faq-side h3{
      font-size:1.08rem;
      margin-bottom:10px;
      font-weight:800;
    }
    .faq-side p{
      color:var(--muted);
      font-size:.92rem;
      line-height:1.75;
      margin-bottom:14px;
    }

    .form-grid{
      display:grid;
      grid-template-columns:minmax(0,.85fr) minmax(320px,1.15fr);
      gap:14px;
    }
    .form-info,
    .form-card{
      border-radius:24px;
      border:1px solid rgba(255,255,255,.08);
      background:linear-gradient(180deg, rgba(255,255,255,.05), rgba(255,255,255,.03));
      box-shadow:var(--shadow-soft);
      overflow:hidden;
    }
    .form-info{
      padding:20px;
    }
    .form-info h2{
      font-size:1.9rem;
      line-height:1.15;
      letter-spacing:-.03em;
      font-weight:850;
      margin-bottom:12px;
    }
    .form-info p{
      color:var(--muted);
      line-height:1.8;
      font-size:.96rem;
      margin-bottom:18px;
    }
    .cta-strip{
      display:flex;
      flex-wrap:wrap;
      gap:10px;
      margin-top:14px;
      padding:14px 16px;
      border-radius:18px;
      border:1px solid rgba(255,255,255,.08);
      background:rgba(255,255,255,.04);
    }
    .cta-strip strong{
      color:#fff;
    }
    .form-card{
      padding:20px;
    }
    .form-row{
      display:grid;
      grid-template-columns:repeat(2, minmax(0,1fr));
      gap:12px;
    }
    .field{
      display:flex;
      flex-direction:column;
      gap:8px;
      margin-bottom:14px;
    }
    .field label{
      font-size:.85rem;
      color:#dbe0f2;
      font-weight:700;
    }
    .input,
    .select,
    .textarea{
      width:100%;
      appearance:none;
      border:1px solid rgba(255,255,255,.08);
      background:rgba(8,10,18,.58);
      color:#fff;
      border-radius:16px;
      padding:14px 15px;
      outline:none;
      transition:border-color var(--transition), box-shadow var(--transition), background var(--transition), transform var(--transition);
    }
    .input::placeholder,
    .textarea::placeholder{
      color:#8d94ad;
    }
    .input:focus,
    .select:focus,
    .textarea:focus{
      border-color:rgba(39,215,239,.4);
      background:rgba(10,13,24,.75);
      box-shadow:0 0 0 4px rgba(39,215,239,.1);
    }
    .textarea{
      min-height:112px;
      resize:vertical;
    }
    .form-hint{
      color:var(--muted);
      font-size:.82rem;
      line-height:1.6;
      margin-top:4px;
    }
    .radio-row{
      display:flex;
      flex-wrap:wrap;
      gap:10px;
    }
    .radio-pill{
      display:inline-flex;
      align-items:center;
      gap:8px;
      padding:10px 12px;
      border-radius:999px;
      border:1px solid rgba(255,255,255,.08);
      background:rgba(255,255,255,.035);
      color:#dce1f2;
      cursor:pointer;
      transition:transform var(--transition), border-color var(--transition), background var(--transition);
    }
    .radio-pill:hover{
      transform:translateY(-1px);
      border-color:rgba(39,215,239,.24);
      background:rgba(255,255,255,.05);
    }
    .radio-pill input{
      accent-color:var(--accent);
    }
    .submit-row{
      display:flex;
      flex-wrap:wrap;
      gap:12px;
      align-items:center;
      margin-top:16px;
    }
    .form-note{
      color:var(--muted);
      font-size:.85rem;
      line-height:1.65;
    }
    .form-message{
      margin-top:14px;
      padding:12px 14px;
      border-radius:16px;
      background:rgba(52,211,153,.1);
      border:1px solid rgba(52,211,153,.22);
      color:#d6ffee;
      display:none;
    }
    .footer{
      margin-top:18px;
      padding:30px 0 34px;
      border-top:1px solid rgba(255,255,255,.06);
      background:linear-gradient(180deg, transparent, rgba(0,0,0,.18));
    }
    .footer-shell{
      display:grid;
      grid-template-columns:1.15fr .85fr .8fr;
      gap:18px;
      padding:24px;
      border-radius:28px;
      border:1px solid rgba(255,255,255,.07);
      background:rgba(10,12,22,.78);
      box-shadow:var(--shadow-soft);
    }
    .footer-brand{
      display:flex;
      flex-direction:column;
      gap:12px;
    }
    .footer-brand strong{
      font-size:1.2rem;
      font-weight:850;
    }
    .footer-brand p{
      color:var(--muted);
      line-height:1.8;
      font-size:.92rem;
      max-width:46ch;
    }
    .footer-links{
      display:flex;
      flex-direction:column;
      gap:10px;
    }
    .footer-links a{
      color:#d9def2;
      transition:color var(--transition), transform var(--transition);
    }
    .footer-links a:hover{
      color:#fff;
      transform:translateX(2px);
    }
    .footer-title{
      color:#fff;
      font-weight:800;
      margin-bottom:12px;
    }
    .footer-tech{
      color:var(--muted);
      font-size:.86rem;
      line-height:1.7;
      margin-top:14px;
    }
    .footer-copy{
      margin-top:12px;
      color:var(--muted);
      font-size:.84rem;
      line-height:1.65;
    }

    .empty-state{
      display:none;
      padding:18px;
      margin-top:10px;
      border-radius:18px;
      border:1px dashed rgba(255,255,255,.12);
      background:rgba(255,255,255,.03);
      color:var(--muted);
      line-height:1.8;
    }

    @media (max-width: 1180px){
      .hero-grid{grid-template-columns:1fr}
      .hero-stage{grid-template-columns:1fr 1fr}
      .poster-card{grid-column:1/-1}
      .hero-stats{grid-template-columns:repeat(2, minmax(0,1fr))}
      .matrix-grid{grid-template-columns:repeat(2, minmax(0,1fr))}
      .card-large{grid-column:1/-1;grid-row:auto}
      .updates-grid,
      .proof-grid,
      .faq-wrap,
      .form-grid,
      .compare-grid{grid-template-columns:1fr}
      .faq-side{position:static}
      .footer-shell{grid-template-columns:1fr 1fr}
    }
    @media (max-width: 1024px){
      .main-nav{gap:4px}
      .nav-link{padding:10px 13px}
      .command-search{width:min(270px, 24vw); min-width:200px}
      .metrics-grid{grid-template-columns:repeat(2, minmax(0,1fr))}
      .proof-stats{grid-template-columns:1fr 1fr}
      .compare-row{grid-template-columns:1fr; gap:8px}
      .compare-row .bar{height:12px}
    }
    @media (max-width: 900px){
      .header-row{flex-wrap:wrap; padding:12px 0 14px}
      .nav-spacer{display:none}
      .command-search{order:4; width:100%; min-width:0}
      .main-nav{order:3; width:100%; justify-content:flex-start; overflow:auto; -webkit-overflow-scrolling:touch; padding:6px}
      .main-nav::-webkit-scrollbar{height:0}
      .menu-toggle{display:inline-flex}
      .site-header.nav-open .main-nav{display:flex}
      .site-header .btn-primary{order:2}
      .hero-shell{padding:20px}
      .poster-side{grid-template-columns:1fr}
    }
    @media (max-width: 760px){
      .site-header.nav-open .main-nav{
        display:flex;
      }
      .main-nav{
        display:none;
        flex-direction:column;
        align-items:stretch;
        padding:8px;
        border-radius:20px;
        background:rgba(255,255,255,.04);
        width:100%;
      }
      .nav-link{
        justify-content:center;
      }
      .hero{
        padding-top:22px;
      }
      .hero-stage,
      .metrics-grid,
      .matrix-grid,
      .proof-stats,
      .form-row,
      .hero-stats{
        grid-template-columns:1fr;
      }
      .hero-title{
        max-width:none;
      }
      .poster-card{
        min-height:300px;
      }
      .countdown{
        grid-template-columns:repeat(2, minmax(0,1fr));
      }
      .footer-shell{
        grid-template-columns:1fr;
      }
      .section-head{
        flex-direction:column;
        align-items:flex-start;
      }
      .search-icon{
        display:none;
      }
      .kbd{
        display:none;
      }
    }
    @media (max-width: 520px){
      .container{width:min(calc(100% - 22px), var(--container))}
      .hero-shell,
      .form-card,
      .form-info,
      .compare-panel,
      .proof-panel,
      .changelog-panel,
      .faq-list,
      .faq-side,
      .list-panel,
      .aside-panel{
        border-radius:22px;
      }
      .hero-title{font-size:clamp(2rem, 10vw, 3.4rem)}
      .hero-desc,
      .section-head p,
      .form-info p{
        font-size:.94rem;
      }
      .hero-actions,
      .submit-row{
        flex-direction:column;
        align-items:stretch;
      }
      .btn{
        width:100%;
      }
      .stat-card,
      .metric,
      .card-body{
        padding-left:14px;
        padding-right:14px;
      }
      .news-item{
        flex-direction:column;
      }
      .news-time{
        min-width:0;
      }
      .poster-footer{
        flex-direction:column;
        align-items:flex-start;
      }
      .compare-panel,
      .proof-panel,
      .changelog-panel,
      .form-info,
      .form-card{
        padding:16px;
      }
    }

/* roulang page: category2 */
:root{
      --bg:#09080f;
      --bg-2:#0e0c17;
      --panel:#14111f;
      --panel-2:#1a1627;
      --panel-3:#201a30;
      --line:rgba(255,255,255,.105);
      --line-strong:rgba(255,255,255,.18);
      --text:#f7f3ff;
      --muted:#b4aeca;
      --soft:#817a98;
      --brand:#ff4fd8;
      --brand-2:#7c5cff;
      --cyan:#36f3ff;
      --lime:#b6ff65;
      --warn:#ffd166;
      --danger:#ff6b8b;
      --ok:#58f0b3;
      --radius-xs:10px;
      --radius-sm:14px;
      --radius-md:20px;
      --radius-lg:28px;
      --shadow:0 22px 70px rgba(0,0,0,.35);
      --glow:0 0 0 1px rgba(255,79,216,.22),0 18px 60px rgba(124,92,255,.18);
      --container:1180px;
      --ease:cubic-bezier(.2,.8,.2,1);
      --font:Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", Arial, sans-serif;
    }

    *{box-sizing:border-box}
    html{scroll-behavior:smooth}
    body{
      margin:0;
      font-family:var(--font);
      color:var(--text);
      line-height:1.7;
      background:
        radial-gradient(circle at 10% -10%, rgba(255,79,216,.20), transparent 30%),
        radial-gradient(circle at 86% 8%, rgba(54,243,255,.12), transparent 34%),
        linear-gradient(180deg,#08070d 0%,#0b0913 44%,#09080f 100%);
      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:42px 42px;
      mask-image:linear-gradient(to bottom, rgba(0,0,0,.8), rgba(0,0,0,.1) 72%, transparent);
      z-index:-2;
    }
    body::after{
      content:"";
      position:fixed;
      inset:0;
      pointer-events:none;
      background:linear-gradient(120deg, transparent 0%, rgba(255,255,255,.035) 50%, transparent 100%);
      opacity:.22;
      mix-blend-mode:screen;
      z-index:-1;
    }

    a{color:inherit;text-decoration:none}
    img{max-width:100%;display:block}
    button,input,select,textarea{font:inherit}
    button{cursor:pointer}
    ::selection{background:rgba(255,79,216,.35);color:#fff}

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

    .site-header{
      position:sticky;
      top:0;
      z-index:50;
      padding:14px 0;
      background:rgba(9,8,15,.76);
      backdrop-filter:blur(18px);
      border-bottom:1px solid var(--line);
    }
    .nav-shell{
      min-height:64px;
      display:flex;
      align-items:center;
      gap:18px;
      padding:10px 12px;
      border:1px solid var(--line);
      border-radius:22px;
      background:linear-gradient(180deg,rgba(26,22,39,.82),rgba(13,11,20,.78));
      box-shadow:0 12px 44px rgba(0,0,0,.28);
    }
    .brand{
      display:flex;
      align-items:center;
      gap:10px;
      min-width:max-content;
      color:#fff;
    }
    .brand-mark{
      width:38px;
      height:38px;
      border-radius:14px;
      background:
        linear-gradient(135deg,var(--brand),var(--brand-2) 58%,var(--cyan));
      box-shadow:0 0 24px rgba(255,79,216,.32);
      position:relative;
      overflow:hidden;
    }
    .brand-mark::before{
      content:"";
      position:absolute;
      inset:8px;
      border:1px solid rgba(255,255,255,.58);
      border-radius:9px;
    }
    .brand-mark::after{
      content:"";
      position:absolute;
      width:28px;
      height:3px;
      left:6px;
      top:18px;
      background:rgba(255,255,255,.78);
      box-shadow:0 7px 0 rgba(255,255,255,.35);
      transform:rotate(-14deg);
    }
    .brand-text{
      display:flex;
      flex-direction:column;
      line-height:1.05;
      letter-spacing:-.02em;
    }
    .brand-text span{
      font-weight:900;
      font-size:15px;
    }
    .brand-text small{
      margin-top:5px;
      color:var(--soft);
      font-size:11px;
      letter-spacing:.08em;
    }

    .main-nav{
      display:flex;
      align-items:center;
      justify-content:center;
      gap:6px;
      flex:1;
    }
    .nav-link{
      position:relative;
      display:inline-flex;
      align-items:center;
      justify-content:center;
      min-height:38px;
      padding:0 14px;
      border-radius:13px;
      color:var(--muted);
      font-size:14px;
      font-weight:700;
      transition:transform .22s var(--ease), color .22s var(--ease), background .22s var(--ease), box-shadow .22s var(--ease);
    }
    .nav-link:hover{
      color:#fff;
      transform:translateY(-1px);
      background:rgba(255,255,255,.06);
      box-shadow:inset 0 -1px 0 rgba(54,243,255,.35);
    }
    .nav-link.active{
      color:#fff;
      background:linear-gradient(135deg,rgba(255,79,216,.20),rgba(124,92,255,.16));
      border:1px solid rgba(255,255,255,.12);
      box-shadow:0 0 0 1px rgba(255,79,216,.16);
    }

    .nav-actions{
      display:flex;
      align-items:center;
      gap:10px;
    }
    .command-search{
      width:244px;
      height:42px;
      display:flex;
      align-items:center;
      gap:9px;
      padding:0 10px 0 13px;
      border:1px solid var(--line);
      border-radius:15px;
      color:var(--soft);
      background:rgba(0,0,0,.18);
      transition:border-color .2s var(--ease), box-shadow .2s var(--ease), background .2s var(--ease);
    }
    .command-search:focus-within{
      border-color:rgba(54,243,255,.52);
      box-shadow:0 0 0 4px rgba(54,243,255,.08);
      background:rgba(255,255,255,.04);
    }
    .search-icon{font-size:15px;color:var(--cyan)}
    .command-search input{
      width:100%;
      border:0;
      outline:0;
      color:#fff;
      background:transparent;
      font-size:13px;
    }
    .command-search input::placeholder{color:#77708d}
    .kbd{
      min-width:34px;
      height:22px;
      display:inline-flex;
      align-items:center;
      justify-content:center;
      border:1px solid var(--line);
      border-radius:7px;
      color:#c9c2df;
      font-size:11px;
      background:rgba(255,255,255,.05);
    }

    .btn{
      display:inline-flex;
      align-items:center;
      justify-content:center;
      gap:8px;
      min-height:44px;
      padding:0 18px;
      border-radius:15px;
      border:1px solid transparent;
      color:#fff;
      font-weight:800;
      letter-spacing:-.01em;
      transition:transform .22s var(--ease), box-shadow .22s var(--ease), border-color .22s var(--ease), background .22s var(--ease), opacity .22s var(--ease);
    }
    .btn:hover{transform:translateY(-1px)}
    .btn:active{transform:translateY(0);filter:saturate(.9)}
    .btn:focus-visible,
    .nav-link:focus-visible,
    .chip:focus-visible,
    input:focus-visible,
    select:focus-visible{
      outline:3px solid rgba(54,243,255,.28);
      outline-offset:3px;
    }
    .btn-primary{
      background:linear-gradient(135deg,var(--brand),var(--brand-2));
      box-shadow:0 16px 42px rgba(255,79,216,.23);
    }
    .btn-primary:hover{
      box-shadow:0 20px 58px rgba(255,79,216,.33);
      border-color:rgba(255,255,255,.22);
    }
    .btn-ghost{
      border-color:var(--line-strong);
      background:rgba(255,255,255,.045);
      color:#efeaff;
    }
    .btn-ghost:hover{
      background:rgba(255,255,255,.08);
      border-color:rgba(54,243,255,.35);
      box-shadow:0 12px 36px rgba(54,243,255,.10);
    }
    .btn[disabled]{
      opacity:.45;
      cursor:not-allowed;
      transform:none;
      box-shadow:none;
    }
    .menu-toggle{
      display:none;
      width:44px;
      height:44px;
      border:1px solid var(--line);
      border-radius:15px;
      background:rgba(255,255,255,.05);
      color:#fff;
    }

    main{position:relative}
    section{padding:74px 0}
    .section-kicker{
      display:inline-flex;
      align-items:center;
      gap:8px;
      margin-bottom:16px;
      padding:7px 11px;
      border-radius:999px;
      border:1px solid rgba(255,255,255,.12);
      color:#ddd7f3;
      background:rgba(255,255,255,.045);
      font-size:13px;
      font-weight:800;
    }
    .dot{
      width:8px;
      height:8px;
      border-radius:99px;
      background:var(--cyan);
      box-shadow:0 0 18px rgba(54,243,255,.88);
    }
    .section-head{
      display:grid;
      grid-template-columns:minmax(0, 1.1fr) minmax(280px,.62fr);
      gap:30px;
      align-items:end;
      margin-bottom:28px;
    }
    .section-title{
      margin:0;
      font-size:clamp(28px,4vw,48px);
      line-height:1.08;
      letter-spacing:-.05em;
    }
    .section-summary{
      margin:0;
      color:var(--muted);
      font-size:15px;
    }

    .hero{
      padding:38px 0 42px;
    }
    .deal-strip{
      display:grid;
      grid-template-columns:auto 1fr auto;
      gap:14px;
      align-items:center;
      margin-bottom:20px;
      padding:12px 14px;
      border:1px solid rgba(255,79,216,.25);
      border-radius:20px;
      background:linear-gradient(90deg,rgba(255,79,216,.14),rgba(124,92,255,.11),rgba(54,243,255,.08));
      box-shadow:inset 0 1px 0 rgba(255,255,255,.06);
      overflow:hidden;
      position:relative;
    }
    .deal-strip::after{
      content:"";
      position:absolute;
      inset:0;
      background:linear-gradient(90deg,transparent,rgba(255,255,255,.10),transparent);
      width:34%;
      transform:translateX(-120%);
      animation:sweep 4.8s infinite;
    }
    @keyframes sweep{
      0%,55%{transform:translateX(-120%)}
      100%{transform:translateX(330%)}
    }
    .deal-label{
      display:inline-flex;
      align-items:center;
      gap:8px;
      padding:8px 12px;
      border-radius:999px;
      color:#120812;
      background:linear-gradient(135deg,var(--warn),#ff8ee8);
      font-weight:900;
      font-size:13px;
      z-index:1;
    }
    .deal-text{
      color:#efeaff;
      font-weight:750;
      z-index:1;
    }
    .countdown{
      display:flex;
      gap:7px;
      z-index:1;
    }
    .timebox{
      min-width:46px;
      padding:6px 8px;
      border-radius:12px;
      border:1px solid rgba(255,255,255,.16);
      background:rgba(0,0,0,.24);
      text-align:center;
    }
    .timebox b{
      display:block;
      color:#fff;
      font-size:16px;
      line-height:1;
      font-variant-numeric:tabular-nums;
    }
    .timebox span{
      color:var(--soft);
      font-size:10px;
    }

    .hero-grid{
      display:grid;
      grid-template-columns:minmax(0, .98fr) minmax(360px,.72fr);
      gap:22px;
      align-items:stretch;
    }
    .hero-copy{
      position:relative;
      min-height:520px;
      padding:42px;
      border:1px solid var(--line);
      border-radius:var(--radius-lg);
      background:
        linear-gradient(135deg,rgba(32,26,48,.90),rgba(14,12,23,.92)),
        radial-gradient(circle at 20% 20%,rgba(255,79,216,.18),transparent 36%);
      box-shadow:var(--shadow);
      overflow:hidden;
    }
    .hero-copy::before{
      content:"";
      position:absolute;
      right:-100px;
      top:30px;
      width:270px;
      height:270px;
      border:1px solid rgba(54,243,255,.14);
      border-radius:50%;
      box-shadow:0 0 60px rgba(54,243,255,.07);
    }
    .hero-copy::after{
      content:"";
      position:absolute;
      left:42px;
      right:42px;
      bottom:28px;
      height:1px;
      background:linear-gradient(90deg,rgba(255,79,216,.6),rgba(54,243,255,.16),transparent);
    }
    .hero-badges{
      display:flex;
      flex-wrap:wrap;
      gap:10px;
      margin-bottom:18px;
      position:relative;
      z-index:1;
    }
    .badge{
      display:inline-flex;
      align-items:center;
      gap:7px;
      padding:7px 10px;
      border-radius:999px;
      border:1px solid rgba(255,255,255,.12);
      background:rgba(255,255,255,.052);
      color:#dcd6ef;
      font-size:12px;
      font-weight:800;
    }
    .badge.hot{
      color:#fff;
      border-color:rgba(255,79,216,.32);
      background:rgba(255,79,216,.12);
    }
    .hero h1{
      margin:0;
      max-width:760px;
      font-size:clamp(36px,6.1vw,78px);
      line-height:.96;
      letter-spacing:-.075em;
      position:relative;
      z-index:1;
    }
    .hero-lead{
      position:relative;
      z-index:1;
      max-width:700px;
      margin:22px 0 0;
      color:#cec7e4;
      font-size:17px;
    }
    .hero-actions{
      position:relative;
      z-index:1;
      display:flex;
      flex-wrap:wrap;
      gap:12px;
      margin-top:30px;
    }
    .mini-board{
      position:relative;
      z-index:1;
      display:grid;
      grid-template-columns:repeat(4,1fr);
      gap:12px;
      margin-top:42px;
    }
    .metric{
      padding:16px;
      border:1px solid var(--line);
      border-radius:18px;
      background:rgba(0,0,0,.18);
      overflow:hidden;
    }
    .metric strong{
      display:block;
      font-size:26px;
      line-height:1;
      letter-spacing:-.04em;
      color:#fff;
      font-variant-numeric:tabular-nums;
    }
    .metric span{
      display:block;
      margin-top:8px;
      color:var(--soft);
      font-size:12px;
      font-weight:700;
    }
    .spark{
      height:4px;
      margin-top:14px;
      border-radius:99px;
      background:linear-gradient(90deg,var(--brand) 0 42%,rgba(255,255,255,.11) 42% 100%);
    }
    .spark.cyan{background:linear-gradient(90deg,var(--cyan) 0 68%,rgba(255,255,255,.11) 68% 100%)}
    .spark.purple{background:linear-gradient(90deg,var(--brand-2) 0 55%,rgba(255,255,255,.11) 55% 100%)}
    .spark.green{background:linear-gradient(90deg,var(--ok) 0 76%,rgba(255,255,255,.11) 76% 100%)}

    .feature-card{
      padding:22px;
      border:1px solid rgba(255,255,255,.12);
      border-radius:var(--radius-lg);
      background:
        radial-gradient(circle at 24% 16%,rgba(255,79,216,.20),transparent 31%),
        linear-gradient(180deg,rgba(26,22,39,.96),rgba(11,9,18,.98));
      box-shadow:var(--shadow);
      position:relative;
      overflow:hidden;
    }
    .feature-card::before{
      content:"";
      position:absolute;
      inset:14px;
      border:1px solid rgba(255,255,255,.05);
      border-radius:22px;
      pointer-events:none;
    }
    .cover{
      min-height:250px;
      border-radius:22px;
      border:1px solid rgba(255,255,255,.10);
      background:
        linear-gradient(135deg,rgba(255,79,216,.22),transparent 38%),
        linear-gradient(45deg,rgba(54,243,255,.14),transparent 62%),
        repeating-linear-gradient(90deg,rgba(255,255,255,.045) 0 1px,transparent 1px 16px),
        #130f1d;
      position:relative;
      overflow:hidden;
    }
    .cover::after{
      content:"主题精选";
      position:absolute;
      right:18px;
      bottom:18px;
      padding:8px 11px;
      border-radius:999px;
      color:#fff;
      background:rgba(0,0,0,.36);
      border:1px solid rgba(255,255,255,.16);
      font-size:12px;
      font-weight:900;
    }
    .cover-lines{
      position:absolute;
      inset:30px;
      border-radius:18px;
      border:1px solid rgba(54,243,255,.20);
    }
    .cover-lines::before,
    .cover-lines::after{
      content:"";
      position:absolute;
      height:2px;
      border-radius:99px;
      background:linear-gradient(90deg,var(--brand),transparent);
    }
    .cover-lines::before{left:20px;right:65px;top:54px}
    .cover-lines::after{left:70px;right:20px;bottom:64px;background:linear-gradient(90deg,var(--cyan),transparent)}
    .feature-card h2{
      margin:22px 0 8px;
      font-size:28px;
      line-height:1.15;
      letter-spacing:-.04em;
    }
    .feature-card p{margin:0;color:var(--muted)}
    .feature-meta{
      display:flex;
      flex-wrap:wrap;
      gap:10px;
      margin:18px 0 22px;
    }

    .info-bar{
      padding:0 0 18px;
    }
    .info-shell{
      display:grid;
      grid-template-columns:repeat(4,1fr);
      gap:12px;
      padding:14px;
      border:1px solid var(--line);
      border-radius:22px;
      background:linear-gradient(180deg,rgba(20,17,31,.88),rgba(12,10,18,.9));
    }
    .info-item{
      padding:14px;
      border-radius:16px;
      background:rgba(255,255,255,.04);
      border:1px solid rgba(255,255,255,.07);
    }
    .info-item b{
      display:block;
      color:#fff;
      font-size:15px;
    }
    .info-item span{
      display:block;
      margin-top:4px;
      color:var(--soft);
      font-size:12px;
    }

    .filters{
      padding-top:28px;
    }
    .filter-shell{
      display:grid;
      grid-template-columns:1fr auto auto;
      gap:14px;
      align-items:center;
      padding:16px;
      border:1px solid var(--line);
      border-radius:24px;
      background:rgba(20,17,31,.72);
    }
    .chips{
      display:flex;
      flex-wrap:wrap;
      gap:9px;
    }
    .chip{
      display:inline-flex;
      align-items:center;
      justify-content:center;
      min-height:34px;
      padding:0 12px;
      border-radius:999px;
      border:1px solid rgba(255,255,255,.13);
      background:rgba(255,255,255,.035);
      color:#d5cee8;
      font-size:13px;
      font-weight:800;
      transition:transform .2s var(--ease), border-color .2s var(--ease), background .2s var(--ease), color .2s var(--ease);
    }
    .chip:hover{
      transform:translateY(-1px);
      color:#fff;
      border-color:rgba(54,243,255,.34);
      background:rgba(54,243,255,.08);
    }
    .chip.active{
      color:#fff;
      background:linear-gradient(135deg,rgba(255,79,216,.22),rgba(124,92,255,.15));
      border-color:rgba(255,79,216,.34);
    }
    .select-wrap,
    .inline-search{
      display:flex;
      align-items:center;
      min-height:42px;
      border-radius:15px;
      border:1px solid var(--line);
      background:rgba(0,0,0,.18);
      color:#fff;
    }
    .select-wrap select{
      border:0;
      outline:0;
      background:transparent;
      color:#fff;
      padding:0 12px;
      appearance:none;
    }
    .select-wrap option{background:#171322;color:#fff}
    .inline-search{
      width:220px;
      padding:0 12px;
      gap:8px;
    }
    .inline-search input{
      width:100%;
      border:0;
      outline:0;
      color:#fff;
      background:transparent;
      font-size:13px;
    }

    .matrix{
      padding-top:54px;
    }
    .matrix-layout{
      display:grid;
      grid-template-columns:minmax(0,1.3fr) minmax(330px,.72fr);
      gap:22px;
      align-items:start;
    }
    .topic-grid{
      display:grid;
      grid-template-columns:repeat(6,1fr);
      gap:14px;
    }
    .topic-card{
      position:relative;
      min-height:210px;
      padding:18px;
      border:1px solid var(--line);
      border-radius:22px;
      background:linear-gradient(180deg,rgba(26,22,39,.82),rgba(12,10,18,.92));
      overflow:hidden;
      transition:transform .25s var(--ease), border-color .25s var(--ease), box-shadow .25s var(--ease), background .25s var(--ease);
    }
    .topic-card:hover{
      transform:translateY(-3px);
      border-color:rgba(255,79,216,.35);
      box-shadow:0 18px 54px rgba(0,0,0,.28),0 0 0 1px rgba(255,79,216,.10);
      background:linear-gradient(180deg,rgba(32,26,48,.95),rgba(12,10,18,.95));
    }
    .topic-card.large{
      grid-column:span 4;
      min-height:290px;
    }
    .topic-card.medium{grid-column:span 3}
    .topic-card.small{grid-column:span 2}
    .topic-visual{
      height:110px;
      margin:-2px -2px 16px;
      border-radius:18px;
      border:1px solid rgba(255,255,255,.08);
      background:
        radial-gradient(circle at 18% 28%,rgba(255,79,216,.28),transparent 28%),
        radial-gradient(circle at 80% 42%,rgba(54,243,255,.17),transparent 30%),
        linear-gradient(135deg,rgba(255,255,255,.055),rgba(255,255,255,.015));
      overflow:hidden;
      transition:transform .3s var(--ease);
    }
    .topic-card:hover .topic-visual{transform:scale(1.025)}
    .topic-card.large .topic-visual{height:148px}
    .topic-top{
      display:flex;
      justify-content:space-between;
      align-items:center;
      gap:10px;
      margin-bottom:12px;
    }
    .status{
      display:inline-flex;
      align-items:center;
      gap:6px;
      padding:5px 9px;
      border-radius:999px;
      color:#fff;
      background:rgba(255,79,216,.12);
      border:1px solid rgba(255,79,216,.26);
      font-size:12px;
      font-weight:900;
    }
    .status.cyan{background:rgba(54,243,255,.10);border-color:rgba(54,243,255,.28)}
    .status.green{background:rgba(88,240,179,.10);border-color:rgba(88,240,179,.25)}
    .topic-card h3{
      margin:0 0 8px;
      font-size:20px;
      line-height:1.22;
      letter-spacing:-.03em;
    }
    .topic-card p{
      margin:0;
      color:var(--muted);
      font-size:14px;
    }
    .card-action{
      display:flex;
      align-items:center;
      justify-content:space-between;
      gap:10px;
      margin-top:18px;
      padding-top:14px;
      border-top:1px solid rgba(255,255,255,.08);
      color:#efeaff;
      font-size:13px;
      font-weight:900;
    }
    .card-action span:last-child{color:var(--cyan);transition:transform .2s var(--ease)}
    .topic-card:hover .card-action span:last-child{transform:translateX(3px)}
    .aside-panel{
      position:sticky;
      top:104px;
      display:grid;
      gap:14px;
    }
    .side-card{
      padding:20px;
      border:1px solid var(--line);
      border-radius:24px;
      background:linear-gradient(180deg,rgba(26,22,39,.84),rgba(12,10,18,.92));
    }
    .side-card h3{
      margin:0 0 14px;
      font-size:18px;
      letter-spacing:-.02em;
    }
    .side-list{
      display:grid;
      gap:10px;
      margin:0;
      padding:0;
      list-style:none;
    }
    .side-list li{
      display:flex;
      justify-content:space-between;
      gap:12px;
      padding:11px 0;
      border-bottom:1px solid rgba(255,255,255,.075);
      color:#ddd6ef;
      font-size:14px;
    }
    .side-list li:last-child{border-bottom:0}
    .side-list em{
      color:var(--soft);
      font-style:normal;
      font-size:12px;
    }
    .load-row{
      display:flex;
      align-items:center;
      justify-content:space-between;
      gap:16px;
      margin-top:18px;
      padding:14px;
      border:1px dashed rgba(255,255,255,.16);
      border-radius:18px;
      background:rgba(255,255,255,.035);
    }
    .load-row p{margin:0;color:var(--muted);font-size:14px}

    .compare{
      background:linear-gradient(180deg,rgba(255,255,255,.025),transparent);
    }
    .compare-board{
      display:grid;
      grid-template-columns:1fr 1fr;
      gap:18px;
    }
    .compare-card{
      padding:24px;
      border:1px solid var(--line);
      border-radius:26px;
      background:linear-gradient(180deg,rgba(26,22,39,.85),rgba(12,10,18,.94));
    }
    .compare-card.highlight{
      border-color:rgba(54,243,255,.25);
      box-shadow:0 0 0 1px rgba(54,243,255,.10),0 20px 60px rgba(54,243,255,.07);
    }
    .compare-card h3{
      margin:0 0 16px;
      font-size:22px;
      letter-spacing:-.03em;
    }
    .score-line{
      display:grid;
      grid-template-columns:112px 1fr 44px;
      gap:12px;
      align-items:center;
      margin:14px 0;
      color:#d7d0e8;
      font-size:14px;
    }
    .bar{
      height:9px;
      border-radius:999px;
      background:rgba(255,255,255,.08);
      overflow:hidden;
    }
    .bar span{
      display:block;
      height:100%;
      width:var(--w);
      border-radius:inherit;
      background:linear-gradient(90deg,var(--brand),var(--cyan));
      box-shadow:0 0 18px rgba(54,243,255,.25);
    }
    .score-line b{
      text-align:right;
      color:#fff;
      font-variant-numeric:tabular-nums;
    }

    .steps-wrap{
      display:grid;
      grid-template-columns:.62fr 1fr;
      gap:22px;
      align-items:start;
    }
    .step-intro{
      padding:28px;
      border:1px solid var(--line);
      border-radius:26px;
      background:radial-gradient(circle at 0 0,rgba(255,79,216,.18),transparent 36%),rgba(20,17,31,.78);
    }
    .step-intro h2{
      margin:0 0 12px;
      font-size:34px;
      line-height:1.1;
      letter-spacing:-.04em;
    }
    .step-intro p{margin:0;color:var(--muted)}
    .step-list{
      display:grid;
      gap:14px;
    }
    .step-item{
      display:grid;
      grid-template-columns:58px 1fr auto;
      gap:16px;
      align-items:center;
      padding:18px;
      border:1px solid var(--line);
      border-radius:22px;
      background:linear-gradient(90deg,rgba(26,22,39,.88),rgba(12,10,18,.92));
    }
    .step-num{
      width:48px;
      height:48px;
      display:grid;
      place-items:center;
      border-radius:16px;
      color:#fff;
      font-weight:950;
      background:linear-gradient(135deg,var(--brand-2),rgba(54,243,255,.62));
      box-shadow:0 12px 34px rgba(124,92,255,.20);
    }
    .step-item h3{
      margin:0 0 4px;
      font-size:18px;
    }
    .step-item p{
      margin:0;
      color:var(--muted);
      font-size:14px;
    }
    .step-tag{
      color:var(--cyan);
      font-size:12px;
      font-weight:900;
    }

    .faq{
      padding-top:68px;
      background:linear-gradient(180deg,rgba(20,17,31,.40),rgba(9,8,15,0));
    }
    .faq-shell{
      display:grid;
      grid-template-columns:.72fr 1fr;
      gap:26px;
      align-items:start;
    }
    .faq-copy{
      padding:26px;
      border-radius:26px;
      border:1px solid var(--line);
      background:rgba(255,255,255,.035);
    }
    .faq-copy h2{
      margin:0 0 12px;
      font-size:36px;
      line-height:1.1;
      letter-spacing:-.04em;
    }
    .faq-copy p{margin:0;color:var(--muted)}
    .faq-list{
      display:grid;
      gap:12px;
    }
    .faq-item{
      border:1px solid var(--line);
      border-radius:20px;
      background:rgba(20,17,31,.74);
      overflow:hidden;
      transition:border-color .22s var(--ease), background .22s var(--ease);
    }
    .faq-item.open{
      border-color:rgba(54,243,255,.28);
      background:rgba(26,22,39,.92);
    }
    .faq-question{
      width:100%;
      display:flex;
      justify-content:space-between;
      align-items:center;
      gap:18px;
      padding:18px 20px;
      border:0;
      background:transparent;
      color:#fff;
      text-align:left;
      font-weight:900;
    }
    .faq-arrow{
      width:28px;
      height:28px;
      border-radius:10px;
      display:grid;
      place-items:center;
      color:var(--cyan);
      background:rgba(54,243,255,.08);
      transition:transform .22s var(--ease);
    }
    .faq-item.open .faq-arrow{transform:rotate(45deg)}
    .faq-answer{
      max-height:0;
      overflow:hidden;
      transition:max-height .28s var(--ease);
    }
    .faq-answer p{
      margin:0;
      padding:0 20px 20px;
      color:var(--muted);
      font-size:14px;
    }

    .cta{
      padding:78px 0 86px;
    }
    .cta-shell{
      display:grid;
      grid-template-columns:.92fr 1fr;
      gap:28px;
      align-items:stretch;
      padding:28px;
      border:1px solid rgba(255,79,216,.22);
      border-radius:32px;
      background:
        radial-gradient(circle at 8% 20%,rgba(255,79,216,.18),transparent 34%),
        radial-gradient(circle at 90% 20%,rgba(54,243,255,.10),transparent 30%),
        linear-gradient(135deg,rgba(26,22,39,.92),rgba(10,8,16,.97));
      box-shadow:var(--shadow);
    }
    .cta-copy{
      padding:12px;
      align-self:center;
    }
    .cta-copy h2{
      margin:0 0 12px;
      font-size:clamp(30px,4vw,52px);
      line-height:1.04;
      letter-spacing:-.055em;
    }
    .cta-copy p{
      margin:0;
      color:var(--muted);
    }
    .form-panel{
      padding:20px;
      border:1px solid var(--line);
      border-radius:26px;
      background:rgba(0,0,0,.22);
    }
    .form-grid{
      display:grid;
      grid-template-columns:1fr 1fr;
      gap:14px;
    }
    .field{
      display:grid;
      gap:7px;
    }
    .field.full{grid-column:1/-1}
    .field label{
      color:#efeaff;
      font-size:13px;
      font-weight:900;
    }
    .field input,
    .field select{
      width:100%;
      min-height:46px;
      padding:0 13px;
      border:1px solid rgba(255,255,255,.13);
      border-radius:15px;
      outline:0;
      color:#fff;
      background:rgba(255,255,255,.045);
      transition:border-color .2s var(--ease), box-shadow .2s var(--ease), background .2s var(--ease);
    }
    .field input::placeholder{color:#77708d}
    .field input:focus,
    .field select:focus{
      border-color:rgba(54,243,255,.52);
      box-shadow:0 0 0 4px rgba(54,243,255,.08);
      background:rgba(255,255,255,.07);
    }
    .field select option{background:#171322;color:#fff}
    .form-note{
      margin:12px 0 0;
      color:var(--soft);
      font-size:12px;
    }
    .form-message{
      display:none;
      margin-top:12px;
      padding:10px 12px;
      border-radius:14px;
      border:1px solid rgba(88,240,179,.25);
      color:#d8fff0;
      background:rgba(88,240,179,.08);
      font-size:13px;
    }
    .form-message.show{display:block}
    .error-hint{
      display:none;
      color:#ffadc0;
      font-size:12px;
    }
    .field.error .error-hint{display:block}
    .field.error input{border-color:rgba(255,107,139,.62)}
    .confirm-strip{
      grid-column:1/-1;
      display:flex;
      justify-content:space-between;
      align-items:center;
      gap:16px;
      margin-top:16px;
      padding:14px 16px;
      border-radius:18px;
      border:1px solid rgba(255,255,255,.12);
      background:rgba(255,255,255,.045);
      color:#dcd6ef;
      font-size:13px;
    }

    .empty-state{
      display:flex;
      align-items:center;
      justify-content:space-between;
      gap:14px;
      margin-top:14px;
      padding:16px;
      border-radius:18px;
      border:1px solid rgba(255,255,255,.10);
      background:rgba(255,255,255,.035);
      color:var(--muted);
      font-size:14px;
    }
    .pulse{
      display:inline-flex;
      gap:5px;
      align-items:center;
    }
    .pulse i{
      width:6px;
      height:6px;
      border-radius:50%;
      background:var(--cyan);
      animation:pulse 1.2s infinite ease-in-out;
    }
    .pulse i:nth-child(2){animation-delay:.15s}
    .pulse i:nth-child(3){animation-delay:.3s}
    @keyframes pulse{
      0%,80%,100%{opacity:.25;transform:scale(.82)}
      40%{opacity:1;transform:scale(1)}
    }

    .footer{
      padding:42px 0;
      border-top:1px solid var(--line);
      background:#07060b;
    }
    .footer-shell{
      display:grid;
      grid-template-columns:1.15fr .55fr .9fr;
      gap:28px;
      padding:24px;
      border:1px solid rgba(255,255,255,.08);
      border-radius:26px;
      background:linear-gradient(180deg,rgba(20,17,31,.72),rgba(9,8,15,.92));
    }
    .footer-brand p,
    .footer-tech{
      margin:14px 0 0;
      color:var(--soft);
      font-size:13px;
    }
    .footer-copy{
      margin-top:14px;
      color:#706985;
      font-size:12px;
    }
    .footer-title{
      margin-bottom:12px;
      color:#fff;
      font-weight:950;
    }
    .footer-links{
      display:grid;
      gap:10px;
    }
    .footer-links a{
      color:var(--muted);
      font-size:14px;
      transition:color .2s var(--ease), transform .2s var(--ease);
    }
    .footer-links a:hover{
      color:#fff;
      transform:translateX(3px);
    }

    @media (max-width:1180px){
      .command-search{width:190px}
      .hero-grid{grid-template-columns:1fr}
      .hero-copy{min-height:auto}
      .feature-card{display:grid;grid-template-columns:.85fr 1fr;gap:22px;align-items:center}
      .cover{min-height:310px}
      .mini-board{grid-template-columns:repeat(2,1fr)}
      .matrix-layout{grid-template-columns:1fr}
      .aside-panel{position:static;grid-template-columns:1fr 1fr}
    }

    @media (max-width:1024px){
      section{padding:58px 0}
      .nav-shell{flex-wrap:wrap}
      .main-nav{order:3;width:100%;justify-content:flex-start;overflow-x:auto;padding-top:4px}
      .nav-actions{margin-left:auto}
      .section-head,
      .steps-wrap,
      .faq-shell,
      .cta-shell,
      .compare-board{grid-template-columns:1fr}
      .filter-shell{grid-template-columns:1fr}
      .inline-search{width:100%}
      .info-shell{grid-template-columns:repeat(2,1fr)}
    }

    @media (max-width:768px){
      .container{width:min(100% - 28px, var(--container))}
      .site-header{padding:10px 0}
      .nav-shell{border-radius:18px}
      .menu-toggle{display:inline-grid;place-items:center}
      .main-nav{
        display:none;
        order:5;
        flex-direction:column;
        align-items:stretch;
        overflow:visible;
      }
      .main-nav.open{display:flex}
      .nav-link{justify-content:flex-start}
      .command-search{
        order:4;
        width:100%;
        display:none;
      }
      .command-search.open{display:flex}
      .nav-actions{display:flex;flex-wrap:wrap;justify-content:flex-end}
      .nav-actions .btn-primary{display:none}
      .deal-strip{grid-template-columns:1fr;align-items:start}
      .deal-text{font-size:14px}
      .hero-copy{padding:28px}
      .feature-card{grid-template-columns:1fr}
      .cover{min-height:220px}
      .topic-grid{grid-template-columns:1fr}
      .topic-card.large,
      .topic-card.medium,
      .topic-card.small{grid-column:auto}
      .aside-panel{grid-template-columns:1fr}
      .score-line{grid-template-columns:92px 1fr 40px}
      .step-item{grid-template-columns:48px 1fr}
      .step-tag{grid-column:2}
      .form-grid{grid-template-columns:1fr}
      .footer-shell{grid-template-columns:1fr}
      .confirm-strip,
      .empty-state{align-items:flex-start;flex-direction:column}
    }

    @media (max-width:520px){
      .brand-text span{font-size:13px}
      .brand-text small{display:none}
      .nav-shell{gap:10px;padding:9px}
      .hero{padding-top:24px}
      .hero h1{font-size:40px}
      .hero-lead{font-size:15px}
      .hero-actions .btn{width:100%}
      .mini-board{grid-template-columns:1fr}
      .info-shell{grid-template-columns:1fr}
      .countdown{width:100%;justify-content:space-between}
      .timebox{flex:1}
      .section-title{font-size:30px}
      .cta-shell{padding:18px;border-radius:24px}
      .form-panel{padding:16px}
      .filter-shell{padding:12px}
      .chips{flex-wrap:nowrap;overflow-x:auto;padding-bottom:4px}
      .chip{white-space:nowrap}
    }

/* roulang page: category1 */
:root{
  --bg: #070913;
  --bg-soft: #0c1020;
  --panel: rgba(15, 19, 34, 0.88);
  --panel-2: rgba(20, 25, 43, 0.92);
  --line: rgba(153, 170, 214, 0.18);
  --line-strong: rgba(177, 122, 255, 0.38);
  --text: #eef2ff;
  --muted: #a6b0ca;
  --soft: #7882a6;
  --accent: #c15cff;
  --accent-2: #31d4ff;
  --accent-3: #7c8cff;
  --ok: #49df9a;
  --warn: #ffbf69;
  --danger: #ff7070;
  --shadow: 0 18px 50px rgba(0,0,0,.34);
  --shadow-soft: 0 10px 28px rgba(0,0,0,.22);
  --radius: 22px;
  --radius-sm: 16px;
  --radius-xs: 12px;
  --container: 1240px;
  --gap: 24px;
  --gap-sm: 14px;
  --trans: 0.28s cubic-bezier(.2,.8,.2,1);
  --trans-fast: 0.18s ease;
  color-scheme: dark;
}
*,
*::before,
*::after{ box-sizing:border-box; }
html{ scroll-behavior:smooth; }
body{
  margin:0;
  min-height:100vh;
  font-family: "PingFang SC","Hiragino Sans GB","Microsoft YaHei","HarmonyOS Sans SC","Source Han Sans SC",system-ui,-apple-system,sans-serif;
  color:var(--text);
  background:
    radial-gradient(1000px 500px at 12% 0%, rgba(193,92,255,.16), transparent 60%),
    radial-gradient(900px 420px at 85% 15%, rgba(49,212,255,.11), transparent 55%),
    radial-gradient(800px 500px at 50% 100%, rgba(124,140,255,.10), transparent 65%),
    linear-gradient(180deg, #070913 0%, #090b15 38%, #070913 100%);
  letter-spacing: .01em;
  text-rendering: optimizeLegibility;
  -webkit-font-smoothing: antialiased;
}
body::before{
  content:"";
  position:fixed;
  inset:0;
  pointer-events:none;
  background:
    linear-gradient(rgba(255,255,255,.028) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255,255,255,.028) 1px, transparent 1px);
  background-size: 42px 42px;
  mask-image: linear-gradient(180deg, rgba(0,0,0,.7), transparent 86%);
  opacity:.35;
}
a{ color:inherit; text-decoration:none; }
button, input, select, textarea{
  font:inherit;
  color:inherit;
}
img{ max-width:100%; display:block; }
button{
  border:0;
  background:none;
  cursor:pointer;
}
:focus-visible{
  outline:2px solid rgba(49,212,255,.9);
  outline-offset:3px;
}
::selection{
  background: rgba(193,92,255,.28);
  color: #fff;
}
.container{
  width:min(var(--container), calc(100% - 32px));
  margin:0 auto;
}
.sr-only{
  position:absolute;
  width:1px;
  height:1px;
  padding:0;
  margin:-1px;
  overflow:hidden;
  clip:rect(0,0,0,0);
  white-space:nowrap;
  border:0;
}
.site-header{
  position:sticky;
  top:0;
  z-index:1000;
  backdrop-filter: blur(18px);
  -webkit-backdrop-filter: blur(18px);
  background: linear-gradient(180deg, rgba(8,10,19,.9), rgba(8,10,19,.72));
  border-bottom:1px solid rgba(170,186,230,.12);
  box-shadow: 0 1px 0 rgba(255,255,255,.03) inset;
}
.nav-shell{
  min-height:74px;
  display:flex;
  align-items:center;
  gap:18px;
  padding: 12px 0;
}
.brand{
  display:flex;
  align-items:center;
  gap:12px;
  flex:0 0 auto;
  min-width:0;
}
.brand-mark{
  width:40px;
  height:40px;
  border-radius:14px;
  background:
    radial-gradient(circle at 30% 30%, rgba(255,255,255,.9), rgba(255,255,255,.1) 18%, transparent 19%),
    linear-gradient(135deg, rgba(193,92,255,1), rgba(49,212,255,1));
  box-shadow: 0 0 0 1px rgba(255,255,255,.13) inset, 0 12px 28px rgba(193,92,255,.22);
  position:relative;
}
.brand-mark::after{
  content:"";
  position:absolute;
  inset:8px;
  border-radius:10px;
  border:1px solid rgba(255,255,255,.28);
  transform: rotate(12deg);
}
.brand-text{
  display:flex;
  flex-direction:column;
  line-height:1.08;
  min-width:0;
}
.brand-text span{
  font-size:1.05rem;
  font-weight:800;
  letter-spacing:.02em;
  white-space:nowrap;
}
.brand-text small{
  margin-top:4px;
  font-size:.76rem;
  color:var(--muted);
  white-space:nowrap;
}
.main-nav{
  display:flex;
  align-items:center;
  gap:4px;
  padding:6px;
  border:1px solid rgba(164,178,223,.12);
  border-radius:999px;
  background: rgba(14, 18, 31, .68);
  box-shadow: 0 10px 30px rgba(0,0,0,.14);
  margin-left:auto;
}
.nav-link{
  position:relative;
  display:inline-flex;
  align-items:center;
  gap:8px;
  height:38px;
  padding:0 16px;
  border-radius:999px;
  color:var(--muted);
  font-size:.95rem;
  font-weight:650;
  transition: color var(--trans), background var(--trans), transform var(--trans), box-shadow var(--trans), border-color var(--trans);
}
.nav-link::after{
  content:"";
  position:absolute;
  left:14px;
  right:14px;
  bottom:7px;
  height:1px;
  background: linear-gradient(90deg, transparent, rgba(49,212,255,.85), transparent);
  transform: scaleX(0);
  transform-origin:center;
  transition: transform var(--trans);
  opacity:.8;
}
.nav-link:hover,
.nav-link:focus-visible{
  color:var(--text);
  background: rgba(255,255,255,.04);
  transform: translateY(-1px);
}
.nav-link:hover::after,
.nav-link:focus-visible::after,
.nav-link.active::after{
  transform: scaleX(1);
}
.nav-link.active{
  color:#fff;
  background: linear-gradient(135deg, rgba(193,92,255,.22), rgba(49,212,255,.16));
  box-shadow: 0 0 0 1px rgba(193,92,255,.22) inset;
}
.nav-search{
  display:flex;
  align-items:center;
  gap:10px;
  min-width: 280px;
  max-width: 360px;
  padding:0 14px;
  height:42px;
  border:1px solid rgba(164,178,223,.14);
  border-radius:999px;
  background: rgba(12, 15, 27, .82);
  box-shadow: var(--shadow-soft);
  transition: border-color var(--trans), box-shadow var(--trans), transform var(--trans);
}
.nav-search:hover,
.nav-search:focus-within{
  border-color: rgba(49,212,255,.38);
  box-shadow: 0 0 0 1px rgba(49,212,255,.14) inset, 0 14px 30px rgba(0,0,0,.24);
  transform: translateY(-1px);
}
.nav-search svg{
  width:16px;
  height:16px;
  flex:none;
  color:var(--soft);
}
.nav-search input{
  width:100%;
  border:0;
  outline:0;
  background:transparent;
  color:var(--text);
  font-size:.92rem;
}
.nav-search input::placeholder{ color:#8d97b8; }
.kbd{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  height:24px;
  padding:0 8px;
  border-radius:8px;
  border:1px solid rgba(164,178,223,.18);
  background: rgba(255,255,255,.03);
  color: #d9def0;
  font-size:.72rem;
  letter-spacing:.02em;
  white-space:nowrap;
}
.nav-cta{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  min-width:110px;
  height:42px;
  padding:0 16px;
  border-radius:999px;
  color:#0c1020;
  font-weight:800;
  background: linear-gradient(135deg, #a8f2ff, #d7a7ff 55%, #ff8fca);
  box-shadow: 0 12px 28px rgba(193,92,255,.22);
  transition: transform var(--trans), box-shadow var(--trans), filter var(--trans);
  white-space:nowrap;
}
.nav-cta:hover,
.nav-cta:focus-visible{
  transform: translateY(-1px);
  box-shadow: 0 18px 34px rgba(193,92,255,.26);
  filter: saturate(1.06);
}
main{
  position:relative;
  padding-bottom:28px;
}
.hero{
  position:relative;
  padding: 36px 0 18px;
  overflow:hidden;
}
.hero::before{
  content:"";
  position:absolute;
  inset:0;
  background:
    radial-gradient(700px 280px at 18% 12%, rgba(193,92,255,.18), transparent 62%),
    radial-gradient(520px 220px at 82% 30%, rgba(49,212,255,.12), transparent 60%);
  pointer-events:none;
}
.hero-shell{
  position:relative;
  display:grid;
  grid-template-columns: minmax(0, 1.25fr) minmax(340px, .95fr);
  gap: 28px;
  align-items:stretch;
}
.hero-copy,
.hero-board,
.section-card,
.compare-card,
.faq-card,
.form-card,
.band{
  border:1px solid var(--line);
  background: linear-gradient(180deg, rgba(19,24,42,.92), rgba(11,15,28,.92));
  box-shadow: var(--shadow);
  border-radius: var(--radius);
}
.hero-copy{
  padding: 34px;
  position:relative;
  overflow:hidden;
}
.hero-copy::after{
  content:"";
  position:absolute;
  inset:auto -40px -70px auto;
  width:180px;
  height:180px;
  border-radius:50%;
  background: radial-gradient(circle, rgba(49,212,255,.14), transparent 65%);
  filter: blur(4px);
  pointer-events:none;
}
.hero-kicker{
  display:flex;
  align-items:center;
  gap:10px;
  flex-wrap:wrap;
  margin-bottom:18px;
}
.pill{
  display:inline-flex;
  align-items:center;
  gap:6px;
  height:30px;
  padding:0 12px;
  border-radius:999px;
  border:1px solid rgba(164,178,223,.16);
  background: rgba(255,255,255,.03);
  color:#dce3ff;
  font-size:.82rem;
  font-weight:700;
}
.pill--accent{
  border-color: rgba(193,92,255,.32);
  background: linear-gradient(135deg, rgba(193,92,255,.22), rgba(49,212,255,.10));
  color:#fff;
}
.hero h1{
  margin:0;
  font-size: clamp(2.4rem, 5vw, 5rem);
  line-height:1.02;
  letter-spacing:-.03em;
  font-weight:900;
  text-wrap: balance;
}
.hero-subtitle{
  margin:18px 0 0;
  max-width: 44rem;
  color: #c7d1ea;
  font-size: 1.04rem;
  line-height:1.8;
}
.hero-actions{
  display:flex;
  align-items:center;
  flex-wrap:wrap;
  gap:12px;
  margin-top:26px;
}
.btn{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  gap:9px;
  min-height:48px;
  padding:0 18px;
  border-radius:14px;
  border:1px solid transparent;
  font-weight:800;
  transition: transform var(--trans), box-shadow var(--trans), border-color var(--trans), background var(--trans), color var(--trans), opacity var(--trans);
}
.btn:hover,
.btn:focus-visible{
  transform: translateY(-1px);
}
.btn-primary{
  color:#0c1020;
  background: linear-gradient(135deg, #a6f6ff, #d4a1ff 48%, #ff9cc5);
  box-shadow: 0 14px 30px rgba(193,92,255,.22);
}
.btn-primary:hover,
.btn-primary:focus-visible{
  box-shadow: 0 18px 36px rgba(193,92,255,.28);
}
.btn-secondary{
  color:#eff3ff;
  background: rgba(255,255,255,.03);
  border-color: rgba(164,178,223,.18);
}
.btn-secondary:hover,
.btn-secondary:focus-visible{
  border-color: rgba(49,212,255,.38);
  background: rgba(255,255,255,.05);
}
.hero-trust{
  display:flex;
  align-items:center;
  gap:14px;
  flex-wrap:wrap;
  margin-top:22px;
  padding-top:20px;
  border-top:1px solid rgba(164,178,223,.12);
}
.trust-item{
  display:flex;
  align-items:center;
  gap:10px;
  color:var(--muted);
  font-size:.9rem;
}
.trust-dot{
  width:8px;
  height:8px;
  border-radius:50%;
  background: linear-gradient(135deg, #7bf6ff, #c15cff);
  box-shadow: 0 0 0 5px rgba(49,212,255,.08);
}
.hero-board{
  padding: 22px;
  position:relative;
  overflow:hidden;
}
.hero-board::before{
  content:"";
  position:absolute;
  inset:0;
  background:
    linear-gradient(120deg, rgba(193,92,255,.06), transparent 30%),
    linear-gradient(180deg, transparent, rgba(255,255,255,.02));
  pointer-events:none;
}
.board-head{
  display:flex;
  align-items:flex-start;
  justify-content:space-between;
  gap:16px;
  margin-bottom:16px;
}
.board-title{
  display:flex;
  flex-direction:column;
  gap:4px;
}
.board-title strong{
  font-size:1.02rem;
}
.board-title span{
  color:var(--muted);
  font-size:.86rem;
}
.board-status{
  display:inline-flex;
  align-items:center;
  gap:8px;
  padding:8px 12px;
  border-radius:999px;
  border:1px solid rgba(73,223,154,.26);
  background: rgba(73,223,154,.09);
  color:#d6ffef;
  font-size:.8rem;
  white-space:nowrap;
}
.board-status i{
  width:8px;
  height:8px;
  border-radius:50%;
  background:var(--ok);
  box-shadow: 0 0 0 5px rgba(73,223,154,.12);
}
.metrics-grid{
  display:grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap:14px;
}
.metric{
  border:1px solid rgba(164,178,223,.12);
  border-radius:18px;
  background: linear-gradient(180deg, rgba(255,255,255,.035), rgba(255,255,255,.02));
  padding:16px;
  position:relative;
  overflow:hidden;
}
.metric::after{
  content:"";
  position:absolute;
  inset:auto -20% -40% auto;
  width:120px;
  height:120px;
  background: radial-gradient(circle, rgba(49,212,255,.16), transparent 68%);
  pointer-events:none;
}
.metric-label{
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:10px;
  color:var(--muted);
  font-size:.83rem;
}
.metric-value{
  margin-top:12px;
  font-size:1.9rem;
  line-height:1;
  font-weight:900;
  letter-spacing:-.03em;
}
.metric-sub{
  margin-top:8px;
  color:#cdd6ef;
  font-size:.86rem;
}
.spark{
  margin-top:12px;
  height:8px;
  border-radius:999px;
  background: rgba(255,255,255,.06);
  overflow:hidden;
}
.spark span{
  display:block;
  height:100%;
  border-radius:inherit;
  background: linear-gradient(90deg, #4ce7ff, #c15cff 72%, #ff8ac5);
  box-shadow: 0 0 18px rgba(193,92,255,.22);
}
.hero-mini{
  margin-top:14px;
  display:grid;
  grid-template-columns: 1.18fr .82fr;
  gap:14px;
}
.mini-panel{
  border-radius:18px;
  border:1px solid rgba(164,178,223,.12);
  background: rgba(255,255,255,.03);
  padding:16px;
}
.mini-panel h3{
  margin:0 0 10px;
  font-size:.92rem;
}
.mini-list{
  display:grid;
  gap:10px;
}
.mini-row{
  display:flex;
  align-items:center;
  gap:10px;
  justify-content:space-between;
  color:#dfe6ff;
  font-size:.87rem;
}
.progress{
  width:100%;
  height:8px;
  border-radius:999px;
  background: rgba(255,255,255,.06);
  overflow:hidden;
  margin-top:10px;
}
.progress span{
  display:block;
  height:100%;
  border-radius:inherit;
  background: linear-gradient(90deg, rgba(49,212,255,.96), rgba(193,92,255,.96));
}
.band{
  margin-top:22px;
  padding: 18px 20px;
}
.band-grid{
  display:grid;
  grid-template-columns: repeat(4, minmax(0,1fr));
  gap:14px;
}
.band-item{
  display:flex;
  flex-direction:column;
  gap:7px;
  padding: 6px 2px;
}
.band-item strong{
  font-size:1.15rem;
  letter-spacing:-.02em;
}
.band-item span{
  color:var(--muted);
  font-size:.86rem;
  line-height:1.5;
}
.band-item .band-line{
  width:100%;
  height:1px;
  background: linear-gradient(90deg, rgba(49,212,255,.65), transparent);
  opacity:.65;
}
.section{
  padding: 26px 0 0;
}
.section-head{
  display:flex;
  align-items:flex-end;
  justify-content:space-between;
  gap:20px;
  margin-bottom:16px;
}
.section-head h2{
  margin:0;
  font-size: clamp(1.45rem, 2.4vw, 2.1rem);
  line-height:1.15;
  letter-spacing:-.02em;
}
.section-head p{
  margin:0;
  max-width:42rem;
  color:var(--muted);
  line-height:1.7;
  font-size:.98rem;
}
.section-card{
  padding: 22px;
}
.matrix-grid{
  display:grid;
  grid-template-columns: minmax(0, 1.25fr) minmax(0, .95fr);
  gap: 18px;
}
.feature-card{
  position:relative;
  min-height: 420px;
  border-radius: 24px;
  border:1px solid rgba(193,92,255,.18);
  background:
    radial-gradient(900px 360px at 8% 8%, rgba(193,92,255,.18), transparent 38%),
    radial-gradient(500px 280px at 90% 20%, rgba(49,212,255,.14), transparent 40%),
    linear-gradient(180deg, rgba(21,28,50,.94), rgba(11,14,26,.96));
  overflow:hidden;
  padding:24px;
  box-shadow: var(--shadow-soft);
}
.feature-card::before{
  content:"";
  position:absolute;
  inset:0;
  background:
    linear-gradient(130deg, rgba(255,255,255,.05), transparent 38%),
    linear-gradient(180deg, transparent, rgba(255,255,255,.02));
  pointer-events:none;
}
.feature-visual{
  position:absolute;
  inset:auto 18px 18px auto;
  width:min(42%, 250px);
  aspect-ratio: 1 / 1;
  border-radius: 26px;
  border:1px solid rgba(255,255,255,.09);
  background:
    radial-gradient(circle at 35% 35%, rgba(255,255,255,.16), transparent 26%),
    linear-gradient(145deg, rgba(49,212,255,.10), rgba(193,92,255,.12) 58%, rgba(255,255,255,.02));
  box-shadow: 0 0 0 1px rgba(255,255,255,.03) inset, 0 24px 50px rgba(0,0,0,.28);
}
.feature-visual::after{
  content:"";
  position:absolute;
  inset:18px;
  border-radius:18px;
  border:1px solid rgba(255,255,255,.14);
  background:
    linear-gradient(90deg, transparent 0 46%, rgba(255,255,255,.08) 46% 47%, transparent 47%),
    linear-gradient(180deg, transparent 0 46%, rgba(255,255,255,.08) 46% 47%, transparent 47%);
  opacity:.65;
}
.feature-top{
  position:relative;
  display:flex;
  align-items:center;
  gap:10px;
  flex-wrap:wrap;
}
.chip{
  display:inline-flex;
  align-items:center;
  gap:6px;
  height:30px;
  padding:0 12px;
  border-radius:999px;
  border:1px solid rgba(164,178,223,.16);
  background: rgba(255,255,255,.03);
  color:#dbe2fa;
  font-size:.8rem;
  font-weight:700;
  transition: transform var(--trans), border-color var(--trans), background var(--trans), color var(--trans);
}
.chip:hover{
  transform: translateY(-1px);
  border-color: rgba(49,212,255,.28);
  color:#fff;
}
.chip.is-active{
  border-color: rgba(49,212,255,.34);
  background: linear-gradient(135deg, rgba(49,212,255,.16), rgba(193,92,255,.14));
  color:#fff;
}
.feature-card h3{
  position:relative;
  margin:18px 0 0;
  font-size: clamp(1.5rem, 2.4vw, 2.3rem);
  line-height:1.12;
  letter-spacing:-.03em;
  max-width: 11ch;
}
.feature-card p{
  position:relative;
  margin:14px 0 0;
  max-width: 31rem;
  color:#d6def6;
  line-height:1.8;
}
.feature-list{
  position:relative;
  margin:18px 0 0;
  padding:0;
  list-style:none;
  display:grid;
  gap:10px;
  max-width: 30rem;
}
.feature-list li{
  display:flex;
  align-items:flex-start;
  gap:10px;
  color:#dce3ff;
  line-height:1.7;
}
.feature-list li::before{
  content:"";
  width:8px;
  height:8px;
  margin-top:9px;
  border-radius:50%;
  background: linear-gradient(135deg, #7cf6ff, #c15cff);
  box-shadow: 0 0 0 5px rgba(49,212,255,.08);
  flex:none;
}
.feature-bottom{
  position:relative;
  margin-top:24px;
  display:flex;
  align-items:center;
  gap:12px;
  flex-wrap:wrap;
}
.feature-bottom .btn{
  min-height:44px;
}
.feature-meta{
  display:flex;
  align-items:center;
  gap:10px;
  color:var(--muted);
  font-size:.88rem;
}
.mini-stack{
  display:grid;
  grid-template-columns: repeat(2, minmax(0,1fr));
  gap:14px;
}
.mini-card{
  position:relative;
  min-height: 202px;
  border-radius: 22px;
  padding:18px;
  border:1px solid rgba(164,178,223,.12);
  background:
    linear-gradient(180deg, rgba(255,255,255,.04), rgba(255,255,255,.02)),
    linear-gradient(135deg, rgba(10,14,25,.9), rgba(18,23,41,.94));
  overflow:hidden;
  transition: transform var(--trans), border-color var(--trans), box-shadow var(--trans), background var(--trans);
}
.mini-card::before{
  content:"";
  position:absolute;
  inset:auto -24px -18px auto;
  width:120px;
  height:120px;
  border-radius:50%;
  background: radial-gradient(circle, rgba(49,212,255,.16), transparent 66%);
  pointer-events:none;
}
.mini-card:hover{
  transform: translateY(-2px);
  border-color: rgba(49,212,255,.24);
  box-shadow: 0 18px 36px rgba(0,0,0,.26);
}
.mini-card .card-head{
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:10px;
}
.badge{
  display:inline-flex;
  align-items:center;
  gap:6px;
  height:28px;
  padding:0 10px;
  border-radius:999px;
  font-size:.75rem;
  font-weight:800;
  letter-spacing:.03em;
  border:1px solid rgba(164,178,223,.16);
  background: rgba(255,255,255,.03);
  color:#dfe6ff;
}
.badge.hot{
  border-color: rgba(255,180,102,.28);
  background: rgba(255,180,102,.09);
  color:#ffd9ab;
}
.badge.new{
  border-color: rgba(73,223,154,.28);
  background: rgba(73,223,154,.09);
  color:#d9ffef;
}
.badge.live{
  border-color: rgba(49,212,255,.28);
  background: rgba(49,212,255,.08);
  color:#d9f7ff;
}
.mini-card h4{
  margin:18px 0 10px;
  font-size:1.08rem;
  line-height:1.35;
  letter-spacing:-.02em;
}
.mini-card p{
  margin:0;
  color:var(--muted);
  line-height:1.72;
  font-size:.92rem;
}
.card-foot{
  position:absolute;
  left:18px;
  right:18px;
  bottom:16px;
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:10px;
}
.card-link{
  display:inline-flex;
  align-items:center;
  gap:7px;
  color:#eff3ff;
  font-weight:800;
  font-size:.9rem;
  transition: transform var(--trans-fast), color var(--trans-fast);
}
.card-link:hover{
  transform: translateX(2px);
  color:#fff;
}
.small-meta{
  color:var(--soft);
  font-size:.8rem;
}
.grid-strip{
  margin-top:16px;
  padding-top:16px;
  border-top:1px solid rgba(164,178,223,.12);
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:18px;
  flex-wrap:wrap;
}
.grid-strip strong{
  font-size:1rem;
}
.grid-strip span{
  color:var(--muted);
  font-size:.9rem;
}
.compare-grid{
  display:grid;
  grid-template-columns: minmax(0, .95fr) minmax(0, 1.05fr);
  gap:18px;
}
.compare-card{
  padding:22px;
}
.compare-card h3{
  margin:0;
  font-size:1.18rem;
}
.compare-card p{
  margin:10px 0 0;
  color:var(--muted);
  line-height:1.72;
}
.compare-list{
  margin:18px 0 0;
  display:grid;
  gap:12px;
}
.compare-row{
  display:grid;
  grid-template-columns: 92px minmax(0,1fr) 52px;
  gap:10px;
  align-items:center;
  font-size:.9rem;
}
.compare-row span:first-child{
  color:#dfe5fb;
}
.compare-row .bar{
  height:10px;
  border-radius:999px;
  background: rgba(255,255,255,.05);
  overflow:hidden;
}
.compare-row .bar i{
  display:block;
  height:100%;
  border-radius:inherit;
  background: linear-gradient(90deg, rgba(49,212,255,.96), rgba(193,92,255,.96));
}
.compare-row em{
  font-style:normal;
  color:#eef2ff;
  text-align:right;
  font-variant-numeric: tabular-nums;
}
.compare-note{
  margin-top:18px;
  padding:16px;
  border-radius:18px;
  border:1px solid rgba(164,178,223,.12);
  background: rgba(255,255,255,.03);
  display:grid;
  gap:8px;
}
.compare-note strong{
  font-size:1rem;
}
.compare-note span{
  color:var(--muted);
  font-size:.92rem;
  line-height:1.7;
}
.efficiency-board{
  display:grid;
  gap:14px;
}
.score-card{
  padding:18px;
  border-radius:20px;
  border:1px solid rgba(164,178,223,.12);
  background:
    linear-gradient(180deg, rgba(255,255,255,.04), rgba(255,255,255,.02));
}
.score-top{
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:10px;
}
.score-top strong{
  font-size:1rem;
}
.score-num{
  font-size:1.8rem;
  font-weight:900;
  letter-spacing:-.03em;
}
.score-sub{
  margin-top:8px;
  color:var(--muted);
  line-height:1.7;
  font-size:.9rem;
}
.score-bars{
  display:grid;
  gap:10px;
  margin-top:14px;
}
.score-bars .row{
  display:grid;
  grid-template-columns: 108px minmax(0,1fr) 40px;
  gap:10px;
  align-items:center;
  color:#d9e1f7;
  font-size:.84rem;
}
.score-bars .track{
  height:8px;
  border-radius:999px;
  background: rgba(255,255,255,.06);
  overflow:hidden;
}
.score-bars .track i{
  display:block;
  height:100%;
  border-radius:inherit;
  background: linear-gradient(90deg, rgba(73,223,154,.95), rgba(49,212,255,.95));
}
.faq{
  display:grid;
  gap:12px;
}
.faq-card{
  padding: 4px;
}
details{
  border-bottom:1px solid rgba(164,178,223,.12);
}
details:last-child{
  border-bottom:0;
}
summary{
  list-style:none;
  cursor:pointer;
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:16px;
  padding:18px 18px;
  font-size:1rem;
  font-weight:750;
  color:#f3f6ff;
  transition: color var(--trans), background var(--trans);
}
summary:hover{
  color:#fff;
  background: rgba(255,255,255,.02);
}
summary::-webkit-details-marker{ display:none; }
summary .arrow{
  width:28px;
  height:28px;
  border-radius:10px;
  border:1px solid rgba(164,178,223,.14);
  display:inline-flex;
  align-items:center;
  justify-content:center;
  color:#dbe2fb;
  transition: transform var(--trans), border-color var(--trans), background var(--trans);
  flex:none;
}
details[open] summary{
  background: rgba(255,255,255,.02);
  border-bottom:1px solid rgba(164,178,223,.12);
}
details[open] summary .arrow{
  transform: rotate(180deg);
  border-color: rgba(49,212,255,.34);
  background: rgba(49,212,255,.08);
}
.faq-body{
  padding: 0 18px 18px;
  color:var(--muted);
  line-height:1.82;
  max-width: 60rem;
}
.cta-area{
  padding: 26px 0 0;
}
.form-card{
  padding: 24px;
  display:grid;
  grid-template-columns: minmax(0, .92fr) minmax(0, 1.08fr);
  gap: 18px;
}
.form-copy h2{
  margin:0;
  font-size: clamp(1.45rem, 2.2vw, 2.05rem);
  line-height:1.16;
}
.form-copy p{
  margin:12px 0 0;
  color:var(--muted);
  line-height:1.8;
  max-width: 34rem;
}
.form-stack{
  display:grid;
  gap:14px;
}
.field-grid{
  display:grid;
  grid-template-columns: repeat(2, minmax(0,1fr));
  gap:12px;
}
.field{
  display:grid;
  gap:8px;
}
.field label{
  color:#dfe6ff;
  font-size:.88rem;
  font-weight:700;
}
.control{
  width:100%;
  height:48px;
  padding:0 14px;
  border-radius:14px;
  border:1px solid rgba(164,178,223,.16);
  background: rgba(255,255,255,.03);
  color:#f6f8ff;
  outline:none;
  transition: border-color var(--trans), box-shadow var(--trans), background var(--trans), transform var(--trans);
}
.control::placeholder{ color:#8f98b7; }
.control:hover{
  border-color: rgba(49,212,255,.24);
}
.control:focus{
  border-color: rgba(49,212,255,.48);
  box-shadow: 0 0 0 4px rgba(49,212,255,.10);
  background: rgba(255,255,255,.045);
}
textarea.control{
  min-height: 110px;
  padding:14px;
  resize:vertical;
}
.form-actions{
  display:flex;
  align-items:center;
  gap:12px;
  flex-wrap:wrap;
}
.form-note{
  color:var(--muted);
  font-size:.88rem;
  line-height:1.7;
}
.form-result{
  min-height: 1.2em;
  color:#d6ffef;
  font-size:.9rem;
}
.confirm-bar{
  margin-top:14px;
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:16px;
  padding:14px 16px;
  border-radius:18px;
  border:1px solid rgba(164,178,223,.12);
  background: linear-gradient(135deg, rgba(49,212,255,.08), rgba(193,92,255,.08));
  color:#eaf0ff;
  flex-wrap:wrap;
}
.confirm-bar span{
  color:var(--muted);
}
.footer{
  margin-top: 32px;
  padding: 0 0 24px;
}
.footer-shell{
  border:1px solid rgba(164,178,223,.12);
  border-radius: 24px;
  background: linear-gradient(180deg, rgba(11,15,26,.94), rgba(10,12,22,.98));
  box-shadow: var(--shadow);
  padding: 24px;
  display:grid;
  grid-template-columns: 1.4fr .9fr 1fr;
  gap: 22px;
}
.footer-brand p{
  margin:14px 0 0;
  color:var(--muted);
  line-height:1.8;
  max-width: 30rem;
}
.footer-title{
  font-size:.94rem;
  font-weight:800;
  margin-bottom:14px;
  color:#f3f6ff;
}
.footer-links{
  display:grid;
  gap:10px;
}
.footer-links a{
  color:var(--muted);
  transition: color var(--trans), transform var(--trans);
}
.footer-links a:hover,
.footer-links a:focus-visible{
  color:#fff;
  transform: translateX(2px);
}
.footer-tech,
.footer-copy{
  margin:0;
  color:var(--muted);
  line-height:1.8;
}
.footer-copy{
  margin-top:12px;
  font-size:.88rem;
}
@media (max-width: 1200px){
  .hero-shell,
  .matrix-grid,
  .compare-grid,
  .form-card{
    grid-template-columns:1fr;
  }
  .hero-board{
    order:-1;
  }
  .feature-card{
    min-height: 360px;
  }
}
@media (max-width: 1024px){
  .nav-shell{
    flex-wrap:wrap;
  }
  .main-nav{
    order:3;
    width:100%;
    overflow:auto hidden;
    scrollbar-width:none;
  }
  .main-nav::-webkit-scrollbar{ display:none; }
  .nav-search{
    margin-left:auto;
    min-width: 240px;
  }
  .band-grid{
    grid-template-columns: repeat(2, minmax(0,1fr));
  }
  .footer-shell{
    grid-template-columns:1fr 1fr;
  }
  .footer-shell > div:last-child{
    grid-column:1 / -1;
  }
}
@media (max-width: 768px){
  .container{
    width:min(var(--container), calc(100% - 20px));
  }
  .nav-shell{
    gap:10px;
  }
  .brand-text small{
    display:none;
  }
  .nav-search{
    width:100%;
    order:4;
    min-width:0;
    max-width:none;
  }
  .nav-cta{
    margin-left:auto;
  }
  .hero{
    padding-top:18px;
  }
  .hero-copy,
  .hero-board,
  .section-card,
  .compare-card,
  .faq-card,
  .form-card,
  .footer-shell{
    border-radius:20px;
  }
  .hero-copy{
    padding:24px;
  }
  .hero h1{
    max-width:12ch;
  }
  .hero-subtitle{
    font-size:.99rem;
  }
  .hero-mini{
    grid-template-columns:1fr;
  }
  .metrics-grid,
  .band-grid,
  .field-grid,
  .mini-stack{
    grid-template-columns:1fr;
  }
  .feature-card{
    min-height:auto;
    padding-bottom:200px;
  }
  .feature-visual{
    width:200px;
    inset:auto 12px 12px auto;
  }
  .compare-row,
  .score-bars .row{
    grid-template-columns: 76px minmax(0,1fr) 40px;
  }
  .footer-shell{
    grid-template-columns:1fr;
  }
}
@media (max-width: 560px){
  .nav-shell{
    align-items:stretch;
  }
  .brand{
    width:100%;
  }
  .nav-cta{
    min-width:0;
    padding:0 14px;
  }
  .hero-copy{
    padding:20px;
  }
  .hero-actions,
  .form-actions,
  .confirm-bar,
  .section-head{
    align-items:flex-start;
  }
  .section-head{
    flex-direction:column;
  }
  .hero-actions .btn,
  .form-actions .btn{
    width:100%;
  }
  .btn,
  .nav-cta{
    height:46px;
  }
  .feature-list{
    max-width:none;
  }
  .compare-row,
  .score-bars .row{
    grid-template-columns: 1fr;
    gap:6px;
  }
  .compare-row em,
  .score-bars .row span:last-child{
    text-align:left;
  }
  .feature-card{
    padding:20px;
    padding-bottom:180px;
  }
  .mini-card{
    min-height: 194px;
  }
  .summary-meta{
    display:none;
  }
}
@media (prefers-reduced-motion: reduce){
  html{ scroll-behavior:auto; }
  *,
  *::before,
  *::after{
    animation-duration:.01ms !important;
    animation-iteration-count:1 !important;
    transition-duration:.01ms !important;
  }
}