/* roulang page: index */
:root{
      --bg:#0b0d10;
      --bg2:#10141a;
      --panel:#121720;
      --panel-2:#0f1318;
      --line:rgba(255,255,255,.10);
      --line-2:rgba(255,255,255,.16);
      --text:#eef2f6;
      --muted:#99a4af;
      --soft:#c8d0d8;
      --accent:#63e6c6;
      --accent-2:#7db8ff;
      --accent-3:#f0c46d;
      --danger:#ff8d7a;
      --shadow:0 14px 40px rgba(0,0,0,.35);
      --shadow-soft:0 8px 24px rgba(0,0,0,.22);
      --radius:8px;
      --radius-sm:6px;
      --container:1240px;
      --gap:24px;
      --gap-sm:16px;
      --pad:24px;
      --transition:180ms ease;
      --gridline:rgba(255,255,255,.035);
    }
    *{box-sizing:border-box}
    html{scroll-behavior:smooth}
    body{
      margin:0;
      background:
        linear-gradient(180deg, rgba(255,255,255,.03), rgba(255,255,255,0) 22%),
        linear-gradient(135deg, rgba(99,230,198,.05), rgba(255,255,255,0) 34%),
        var(--bg);
      color:var(--text);
      font-family:-apple-system,BlinkMacSystemFont,"Segoe UI","PingFang SC","Hiragino Sans GB","Microsoft YaHei","Noto Sans CJK SC",sans-serif;
      line-height:1.55;
      letter-spacing:0;
      text-rendering:optimizeLegibility;
      -webkit-font-smoothing:antialiased;
      -moz-osx-font-smoothing:grayscale;
    }
    body:before{
      content:"";
      position:fixed;
      inset:0;
      pointer-events:none;
      background:
        linear-gradient(var(--gridline) 1px, transparent 1px),
        linear-gradient(90deg, var(--gridline) 1px, transparent 1px);
      background-size:32px 32px;
      opacity:.42;
      mask-image:linear-gradient(180deg, rgba(0,0,0,.9), rgba(0,0,0,.3) 72%, rgba(0,0,0,0));
    }
    a{color:inherit;text-decoration:none}
    img{max-width:100%;display:block}
    button,input,textarea,select{font:inherit}
    button{cursor:pointer}
    ::selection{background:rgba(99,230,198,.25);color:#fff}
    .container{
      width:min(var(--container), calc(100% - 32px));
      margin:0 auto;
    }
    .site-shell{
      position:relative;
      z-index:1;
    }
    .topbar{
      border-bottom:1px solid var(--line);
      background:rgba(10,13,17,.72);
      backdrop-filter:blur(12px);
    }
    .topbar-inner{
      display:flex;
      align-items:center;
      justify-content:space-between;
      gap:16px;
      min-height:68px;
      padding:12px 0;
    }
    .brand{
      display:flex;
      align-items:center;
      gap:12px;
      min-width:0;
    }
    .brand-mark{
      width:36px;
      height:36px;
      border:1px solid rgba(99,230,198,.35);
      border-radius:8px;
      display:grid;
      place-items:center;
      background:
        linear-gradient(180deg, rgba(255,255,255,.08), rgba(255,255,255,.02)),
        rgba(14,18,23,.95);
      box-shadow:inset 0 1px 0 rgba(255,255,255,.05);
      flex:0 0 auto;
      color:var(--accent);
      font-weight:700;
      letter-spacing:0;
    }
    .brand-text{
      display:flex;
      flex-direction:column;
      gap:2px;
      min-width:0;
    }
    .brand-text strong{
      font-size:1rem;
      line-height:1.1;
      letter-spacing:0;
      white-space:nowrap;
      overflow:hidden;
      text-overflow:ellipsis;
    }
    .brand-text span{
      font-size:.82rem;
      color:var(--muted);
      white-space:nowrap;
      overflow:hidden;
      text-overflow:ellipsis;
    }
    .topbar-tools{
      display:flex;
      align-items:center;
      gap:10px;
      flex:0 0 auto;
      color:var(--muted);
      font-size:.86rem;
    }
    .tool-pill{
      display:inline-flex;
      align-items:center;
      gap:8px;
      padding:8px 12px;
      border:1px solid var(--line);
      border-radius:999px;
      background:rgba(255,255,255,.02);
      color:var(--soft);
      transition:transform var(--transition), border-color var(--transition), background var(--transition);
    }
    .tool-pill:hover{
      transform:translateY(-1px);
      border-color:rgba(99,230,198,.32);
      background:rgba(99,230,198,.05);
    }
    .channelbar{
      border-bottom:1px solid var(--line);
      background:rgba(9,12,16,.85);
      backdrop-filter:blur(10px);
    }
    .channelbar-inner{
      display:flex;
      align-items:center;
      gap:14px;
      min-height:58px;
      padding:10px 0;
    }
    .channel-label{
      flex:0 0 auto;
      font-size:.82rem;
      color:var(--muted);
      text-transform:uppercase;
      letter-spacing:.04em;
    }
    .channels{
      display:flex;
      gap:10px;
      align-items:center;
      overflow-x:auto;
      scrollbar-width:none;
      flex:1 1 auto;
      padding-bottom:2px;
    }
    .channels::-webkit-scrollbar{display:none}
    .channel-link{
      flex:0 0 auto;
      padding:9px 14px;
      border-radius:999px;
      border:1px solid transparent;
      background:transparent;
      color:var(--soft);
      font-size:.92rem;
      white-space:nowrap;
      transition:transform var(--transition), color var(--transition), border-color var(--transition), background var(--transition);
    }
    .channel-link:hover{
      transform:translateY(-1px);
      color:#fff;
      border-color:rgba(255,255,255,.14);
      background:rgba(255,255,255,.04);
    }
    .channel-link.active{
      color:#0c1116;
      background:linear-gradient(180deg, rgba(99,230,198,1), rgba(80,216,188,1));
      border-color:transparent;
      box-shadow:0 8px 18px rgba(99,230,198,.18);
      font-weight:600;
    }
    .channel-cta{
      flex:0 0 auto;
      display:flex;
      gap:10px;
      align-items:center;
    }
    .btn{
      display:inline-flex;
      align-items:center;
      justify-content:center;
      gap:9px;
      min-height:44px;
      padding:0 16px;
      border-radius:8px;
      border:1px solid transparent;
      font-weight:600;
      letter-spacing:0;
      transition:transform var(--transition), border-color var(--transition), background var(--transition), color var(--transition), opacity var(--transition), box-shadow var(--transition);
      white-space:nowrap;
      user-select:none;
    }
    .btn:focus-visible,
    .channel-link:focus-visible,
    .tool-pill:focus-visible,
    input:focus-visible,
    textarea:focus-visible,
    summary:focus-visible{
      outline:2px solid rgba(99,230,198,.48);
      outline-offset:2px;
    }
    .btn:hover{transform:translateY(-1px)}
    .btn:active{transform:translateY(0)}
    .btn-primary{
      background:linear-gradient(180deg, rgba(99,230,198,1), rgba(80,216,188,1));
      color:#071012;
      box-shadow:0 10px 24px rgba(99,230,198,.18);
    }
    .btn-primary:hover{box-shadow:0 12px 28px rgba(99,230,198,.24)}
    .btn-secondary{
      border-color:var(--line-2);
      background:rgba(255,255,255,.03);
      color:var(--text);
    }
    .btn-secondary:hover{
      border-color:rgba(125,184,255,.32);
      background:rgba(125,184,255,.06);
    }
    .btn-ghost{
      background:transparent;
      color:var(--soft);
      border-color:var(--line);
    }
    .btn-ghost:hover{
      color:#fff;
      border-color:rgba(255,255,255,.20);
      background:rgba(255,255,255,.04);
    }
    .btn[disabled],
    .btn.is-disabled{
      opacity:.5;
      cursor:not-allowed;
      transform:none;
      box-shadow:none;
    }
    .hero{
      padding:34px 0 22px;
    }
    .hero-grid{
      display:grid;
      grid-template-columns:minmax(0, 1.18fr) minmax(360px, .82fr);
      gap:22px;
      align-items:stretch;
    }
    .hero-copy{
      padding:28px 0 18px;
    }
    .eyebrow{
      display:inline-flex;
      align-items:center;
      gap:8px;
      margin-bottom:18px;
      padding:7px 11px;
      border:1px solid rgba(99,230,198,.22);
      border-radius:999px;
      background:rgba(99,230,198,.06);
      color:#d9fff4;
      font-size:.84rem;
    }
    .eyebrow .dot{
      width:7px;
      height:7px;
      border-radius:50%;
      background:var(--accent);
      box-shadow:0 0 0 4px rgba(99,230,198,.10);
    }
    h1{
      margin:0;
      font-size:clamp(2.4rem, 4vw, 4.6rem);
      line-height:1.04;
      letter-spacing:0;
      max-width:11ch;
    }
    .hero-copy p{
      margin:18px 0 0;
      max-width:60ch;
      color:var(--soft);
      font-size:1rem;
    }
    .hero-actions{
      display:flex;
      flex-wrap:wrap;
      gap:12px;
      margin-top:24px;
    }
    .hero-points{
      display:flex;
      flex-wrap:wrap;
      gap:12px;
      margin-top:22px;
    }
    .point{
      min-width:150px;
      flex:0 0 auto;
      padding:14px 16px;
      border:1px solid var(--line);
      border-radius:8px;
      background:rgba(255,255,255,.03);
    }
    .point strong{
      display:block;
      font-size:1.1rem;
      color:#fff;
      margin-bottom:4px;
    }
    .point span{
      font-size:.86rem;
      color:var(--muted);
    }
    .hero-stage{
      position:relative;
      min-height:560px;
      border:1px solid rgba(255,255,255,.10);
      border-radius:10px;
      background:
        linear-gradient(180deg, rgba(255,255,255,.03), rgba(255,255,255,.01)),
        rgba(15,19,24,.98);
      overflow:hidden;
      box-shadow:var(--shadow);
    }
    .hero-stage:before{
      content:"";
      position:absolute;
      inset:0;
      background:
        radial-gradient(circle at 78% 16%, rgba(99,230,198,.16), transparent 28%),
        radial-gradient(circle at 20% 86%, rgba(125,184,255,.12), transparent 24%);
      pointer-events:none;
    }
    .stage-top{
      display:flex;
      align-items:center;
      justify-content:space-between;
      gap:12px;
      padding:16px 18px 12px;
      border-bottom:1px solid var(--line);
      color:var(--muted);
      font-size:.85rem;
    }
    .stage-status{
      display:inline-flex;
      align-items:center;
      gap:8px;
    }
    .stage-status .ring{
      width:9px;
      height:9px;
      border-radius:50%;
      background:var(--accent);
      box-shadow:0 0 0 4px rgba(99,230,198,.14);
    }
    .vertical-preview{
      display:grid;
      grid-template-columns:1fr;
      gap:14px;
      height:calc(100% - 52px);
      padding:16px;
    }
    .preview-frame{
      position:relative;
      min-height:444px;
      border-radius:10px;
      border:1px solid rgba(255,255,255,.10);
      background:
        linear-gradient(180deg, rgba(255,255,255,.06), rgba(255,255,255,.02)),
        linear-gradient(160deg, rgba(125,184,255,.07), rgba(99,230,198,.05) 52%, rgba(255,255,255,.02));
      overflow:hidden;
      box-shadow:inset 0 1px 0 rgba(255,255,255,.04);
    }
    .preview-frame:before{
      content:"";
      position:absolute;
      inset:0;
      background:
        linear-gradient(180deg, rgba(0,0,0,.00), rgba(0,0,0,.22)),
        repeating-linear-gradient(180deg, transparent 0, transparent 22px, rgba(255,255,255,.03) 23px, transparent 24px);
      opacity:.72;
      pointer-events:none;
    }
    .preview-badge{
      position:absolute;
      top:16px;
      left:16px;
      z-index:1;
      display:inline-flex;
      align-items:center;
      gap:8px;
      padding:7px 10px;
      border-radius:999px;
      border:1px solid rgba(255,255,255,.15);
      background:rgba(10,14,18,.58);
      color:#fff;
      font-size:.82rem;
      backdrop-filter:blur(10px);
    }
    .preview-badge i{
      display:inline-block;
      width:7px;
      height:7px;
      border-radius:50%;
      background:var(--accent-3);
      box-shadow:0 0 0 4px rgba(240,196,109,.14);
    }
    .preview-stack{
      position:absolute;
      inset:52px 16px 16px;
      z-index:1;
      display:grid;
      gap:12px;
      align-content:end;
    }
    .preview-card{
      border-radius:8px;
      border:1px solid rgba(255,255,255,.13);
      background:rgba(12,16,21,.68);
      backdrop-filter:blur(8px);
      padding:14px 14px 13px;
      box-shadow:0 10px 26px rgba(0,0,0,.20);
    }
    .preview-card strong{
      display:block;
      font-size:.95rem;
      margin-bottom:6px;
    }
    .preview-card p{
      margin:0;
      color:var(--muted);
      font-size:.84rem;
      line-height:1.45;
    }
    .mini-grid{
      display:grid;
      grid-template-columns:repeat(3, minmax(0, 1fr));
      gap:10px;
    }
    .mini-tile{
      min-height:72px;
      border-radius:8px;
      border:1px solid rgba(255,255,255,.10);
      background:rgba(255,255,255,.03);
      padding:12px 12px 10px;
    }
    .mini-tile .num{
      display:block;
      font-size:1.15rem;
      color:#fff;
      font-weight:700;
      line-height:1;
    }
    .mini-tile span{
      display:block;
      margin-top:7px;
      color:var(--muted);
      font-size:.78rem;
    }
    .section{
      padding:22px 0;
    }
    .section-head{
      display:flex;
      align-items:end;
      justify-content:space-between;
      gap:18px;
      margin-bottom:14px;
    }
    .section-head h2{
      margin:0;
      font-size:1.4rem;
      line-height:1.15;
      letter-spacing:0;
    }
    .section-head p{
      margin:0;
      color:var(--muted);
      max-width:68ch;
      font-size:.95rem;
    }
    .panel{
      border:1px solid var(--line);
      border-radius:10px;
      background:rgba(255,255,255,.025);
      box-shadow:var(--shadow-soft);
    }
    .panel-inner{
      padding:18px;
    }
    .meter-grid{
      display:grid;
      grid-template-columns:repeat(3, minmax(0, 1fr));
      gap:16px;
    }
    .meter{
      border:1px solid var(--line);
      border-radius:8px;
      background:rgba(255,255,255,.028);
      padding:16px;
    }
    .meter-top{
      display:flex;
      align-items:center;
      justify-content:space-between;
      gap:10px;
      margin-bottom:10px;
      font-size:.88rem;
      color:var(--muted);
    }
    .meter strong{
      display:block;
      font-size:1.6rem;
      line-height:1.1;
      margin-bottom:10px;
      color:#fff;
    }
    .track{
      width:100%;
      height:8px;
      border-radius:999px;
      background:rgba(255,255,255,.07);
      overflow:hidden;
      margin-bottom:10px;
    }
    .track > span{
      display:block;
      height:100%;
      border-radius:inherit;
      background:linear-gradient(90deg, var(--accent), var(--accent-2));
    }
    .meter small{
      display:block;
      color:var(--muted);
      font-size:.86rem;
      line-height:1.5;
    }
    .matrix-grid{
      display:grid;
      grid-template-columns:repeat(4, minmax(0, 1fr));
      gap:14px;
    }
    .service-card{
      border:1px solid var(--line);
      border-radius:8px;
      background:rgba(255,255,255,.03);
      padding:16px;
      min-height:162px;
      transition:transform var(--transition), border-color var(--transition), background var(--transition);
    }
    .service-card:hover{
      transform:translateY(-2px);
      border-color:rgba(99,230,198,.26);
      background:rgba(99,230,198,.04);
    }
    .service-icon{
      width:38px;
      height:38px;
      border-radius:8px;
      display:grid;
      place-items:center;
      border:1px solid rgba(255,255,255,.10);
      background:rgba(255,255,255,.04);
      color:var(--accent);
      font-size:1rem;
      margin-bottom:12px;
    }
    .service-card h3{
      margin:0 0 8px;
      font-size:1.02rem;
      line-height:1.25;
    }
    .service-card p{
      margin:0 0 12px;
      color:var(--muted);
      font-size:.89rem;
      line-height:1.55;
    }
    .tag-row{
      display:flex;
      flex-wrap:wrap;
      gap:8px;
    }
    .tag{
      display:inline-flex;
      align-items:center;
      min-height:28px;
      padding:0 10px;
      border-radius:999px;
      border:1px solid var(--line);
      background:rgba(255,255,255,.03);
      color:#dbe4ea;
      font-size:.78rem;
      white-space:nowrap;
    }
    .compare-grid{
      display:grid;
      grid-template-columns:1.08fr .92fr;
      gap:16px;
    }
    .compare-table{
      display:grid;
      gap:10px;
    }
    .compare-row{
      display:grid;
      grid-template-columns:minmax(0, 1.1fr) minmax(0, .8fr) minmax(0, .8fr);
      gap:10px;
      align-items:center;
      padding:14px 16px;
      border:1px solid var(--line);
      border-radius:8px;
      background:rgba(255,255,255,.025);
    }
    .compare-row.head{
      background:rgba(255,255,255,.035);
      color:#fff;
      font-weight:600;
    }
    .compare-row .label{
      color:#fff;
      font-weight:600;
    }
    .compare-row .muted{
      color:var(--muted);
      font-size:.9rem;
    }
    .score-board{
      display:grid;
      gap:12px;
      padding:18px;
    }
    .score-item{
      display:grid;
      grid-template-columns:110px 1fr 46px;
      gap:12px;
      align-items:center;
    }
    .score-item span{
      color:#e9eef2;
      font-size:.92rem;
    }
    .score-item .bar{
      width:100%;
      height:8px;
      border-radius:999px;
      background:rgba(255,255,255,.07);
      overflow:hidden;
    }
    .score-item .bar i{
      display:block;
      height:100%;
      border-radius:inherit;
      background:linear-gradient(90deg, var(--accent-3), var(--accent));
    }
    .score-item b{
      text-align:right;
      font-size:.92rem;
      color:#fff;
    }
    .tier-grid{
      display:grid;
      grid-template-columns:repeat(3, minmax(0, 1fr));
      gap:14px;
    }
    .tier-card{
      border:1px solid var(--line);
      border-radius:8px;
      background:
        linear-gradient(180deg, rgba(255,255,255,.05), rgba(255,255,255,.02)),
        rgba(255,255,255,.025);
      padding:18px;
      min-height:204px;
      position:relative;
      overflow:hidden;
    }
    .tier-card.featured{
      border-color:rgba(99,230,198,.24);
      box-shadow:0 14px 32px rgba(99,230,198,.10);
    }
    .tier-badge{
      display:inline-flex;
      align-items:center;
      gap:8px;
      margin-bottom:14px;
      padding:7px 10px;
      border-radius:999px;
      border:1px solid rgba(255,255,255,.11);
      background:rgba(255,255,255,.03);
      color:#fff;
      font-size:.8rem;
    }
    .tier-badge i{
      width:7px;
      height:7px;
      border-radius:50%;
      background:var(--accent);
    }
    .tier-card h3{
      margin:0 0 10px;
      font-size:1.08rem;
    }
    .tier-card p{
      margin:0 0 14px;
      color:var(--muted);
      font-size:.9rem;
      line-height:1.6;
    }
    .tier-list{
      display:grid;
      gap:8px;
      margin:0;
      padding:0;
      list-style:none;
      color:#dfe5ea;
      font-size:.88rem;
    }
    .tier-list li{
      display:flex;
      align-items:flex-start;
      gap:8px;
    }
    .tier-list li:before{
      content:"";
      width:8px;
      height:8px;
      margin-top:6px;
      border-radius:50%;
      background:var(--accent-2);
      flex:0 0 auto;
    }
    .wall-grid{
      display:grid;
      grid-template-columns:repeat(4, minmax(0, 1fr));
      gap:12px;
    }
    .wall-card{
      border:1px solid var(--line);
      border-radius:8px;
      background:rgba(255,255,255,.03);
      padding:14px;
      min-height:124px;
    }
    .wall-card strong{
      display:block;
      margin-bottom:8px;
      font-size:.98rem;
    }
    .wall-card p{
      margin:0;
      color:var(--muted);
      font-size:.86rem;
      line-height:1.55;
    }
    .info-grid{
      display:grid;
      grid-template-columns:1fr .92fr;
      gap:16px;
    }
    .news-list{
      display:grid;
      gap:10px;
    }
    .news-item{
      display:grid;
      grid-template-columns:auto 1fr auto;
      gap:12px;
      align-items:center;
      padding:14px 16px;
      border:1px solid var(--line);
      border-radius:8px;
      background:rgba(255,255,255,.025);
      transition:border-color var(--transition), transform var(--transition), background var(--transition);
    }
    .news-item:hover{
      transform:translateY(-1px);
      border-color:rgba(125,184,255,.26);
      background:rgba(125,184,255,.04);
    }
    .news-index{
      width:30px;
      height:30px;
      border-radius:8px;
      display:grid;
      place-items:center;
      border:1px solid rgba(255,255,255,.10);
      background:rgba(255,255,255,.04);
      color:var(--accent-3);
      font-size:.86rem;
      flex:0 0 auto;
    }
    .news-item strong{
      display:block;
      margin-bottom:3px;
      font-size:.95rem;
      line-height:1.3;
    }
    .news-item span{
      color:var(--muted);
      font-size:.84rem;
    }
    .news-item em{
      font-style:normal;
      color:#d8e0e7;
      font-size:.8rem;
      padding-left:12px;
    }
    .side-note{
      display:grid;
      gap:12px;
    }
    .side-note .note{
      border:1px solid var(--line);
      border-radius:8px;
      background:rgba(255,255,255,.025);
      padding:16px;
    }
    .note strong{
      display:block;
      margin-bottom:8px;
      font-size:1rem;
    }
    .note p{
      margin:0;
      color:var(--muted);
      font-size:.88rem;
      line-height:1.6;
    }
    .faq-list{
      display:grid;
      gap:10px;
    }
    details{
      border:1px solid var(--line);
      border-radius:8px;
      background:rgba(255,255,255,.024);
      overflow:hidden;
    }
    summary{
      list-style:none;
      cursor:pointer;
      padding:16px 18px;
      display:flex;
      align-items:center;
      justify-content:space-between;
      gap:12px;
      font-weight:600;
      color:#fff;
    }
    summary::-webkit-details-marker{display:none}
    summary .chev{
      width:28px;
      height:28px;
      border-radius:50%;
      border:1px solid var(--line);
      display:grid;
      place-items:center;
      color:var(--muted);
      flex:0 0 auto;
      transition:transform var(--transition), background var(--transition), color var(--transition);
    }
    details[open] summary .chev{
      transform:rotate(180deg);
      color:#fff;
      background:rgba(255,255,255,.05);
    }
    details .answer{
      padding:0 18px 16px;
      color:var(--soft);
      font-size:.92rem;
      line-height:1.75;
    }
    .contact-grid{
      display:grid;
      grid-template-columns:.9fr 1.1fr;
      gap:16px;
      align-items:stretch;
    }
    .contact-card{
      border:1px solid var(--line);
      border-radius:10px;
      background:rgba(255,255,255,.03);
      padding:18px;
    }
    .contact-card h3{
      margin:0 0 10px;
      font-size:1.1rem;
    }
    .contact-card p{
      margin:0 0 14px;
      color:var(--muted);
      font-size:.9rem;
      line-height:1.6;
    }
    .contact-points{
      display:grid;
      gap:10px;
    }
    .contact-point{
      display:flex;
      gap:10px;
      align-items:flex-start;
      color:#dde5ec;
      font-size:.89rem;
      line-height:1.6;
    }
    .contact-point i{
      width:18px;
      height:18px;
      border-radius:50%;
      background:rgba(99,230,198,.14);
      border:1px solid rgba(99,230,198,.28);
      flex:0 0 auto;
      margin-top:4px;
      position:relative;
    }
    .contact-point i:before{
      content:"";
      position:absolute;
      inset:4px;
      border-radius:50%;
      background:var(--accent);
    }
    .form{
      display:grid;
      gap:12px;
    }
    .field-grid{
      display:grid;
      grid-template-columns:repeat(3, minmax(0, 1fr));
      gap:12px;
    }
    .field{
      display:grid;
      gap:8px;
    }
    .field label{
      font-size:.88rem;
      color:#dfe6ec;
    }
    .field input,
    .field textarea{
      width:100%;
      border:1px solid var(--line);
      border-radius:8px;
      background:rgba(255,255,255,.03);
      color:var(--text);
      padding:13px 14px;
      transition:border-color var(--transition), background var(--transition), box-shadow var(--transition);
    }
    .field input::placeholder,
    .field textarea::placeholder{color:#778390}
    .field input:hover,
    .field textarea:hover{
      border-color:rgba(255,255,255,.16);
      background:rgba(255,255,255,.04);
    }
    .field textarea{
      min-height:118px;
      resize:vertical;
    }
    .submit-row{
      display:flex;
      flex-wrap:wrap;
      align-items:center;
      gap:12px;
      justify-content:space-between;
      margin-top:2px;
    }
    .submit-row small{
      color:var(--muted);
      font-size:.84rem;
    }
    .floating-cta{
      position:fixed;
      right:18px;
      bottom:18px;
      z-index:20;
      display:flex;
      gap:10px;
      align-items:center;
      padding:10px;
      border:1px solid rgba(255,255,255,.12);
      border-radius:12px;
      background:rgba(12,16,21,.84);
      backdrop-filter:blur(12px);
      box-shadow:var(--shadow);
    }
    .floating-cta .btn{
      min-height:40px;
      padding:0 14px;
    }
    .footer{
      margin-top:22px;
      border-top:1px solid var(--line);
      background:rgba(8,11,15,.86);
    }
    .footer-inner{
      display:grid;
      grid-template-columns:1.1fr .9fr;
      gap:18px;
      padding:22px 0 28px;
    }
    .footer-brand strong{
      display:block;
      margin-bottom:8px;
      font-size:1.05rem;
    }
    .footer-brand p{
      margin:0;
      color:var(--muted);
      font-size:.9rem;
      line-height:1.7;
      max-width:60ch;
    }
    .footer-links{
      display:grid;
      grid-template-columns:repeat(2, minmax(0, 1fr));
      gap:10px;
      align-content:start;
    }
    .footer-link{
      display:flex;
      align-items:center;
      justify-content:space-between;
      gap:10px;
      border:1px solid var(--line);
      border-radius:8px;
      padding:12px 14px;
      color:#dfe6ec;
      background:rgba(255,255,255,.02);
      transition:border-color var(--transition), background var(--transition), transform var(--transition);
    }
    .footer-link:hover{
      transform:translateY(-1px);
      border-color:rgba(99,230,198,.24);
      background:rgba(99,230,198,.04);
    }
    .copyright{
      grid-column:1 / -1;
      color:var(--muted);
      font-size:.84rem;
      padding-top:8px;
      border-top:1px solid var(--line);
      margin-top:8px;
    }
    .section-foot{
      display:flex;
      gap:10px;
      flex-wrap:wrap;
      margin-top:14px;
    }
    .kicker{
      color:var(--muted);
      font-size:.84rem;
    }
    .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;
    }
    @media (max-width: 1280px){
      .hero-grid{grid-template-columns:1.08fr .92fr}
      .matrix-grid{grid-template-columns:repeat(3, minmax(0, 1fr))}
      .wall-grid{grid-template-columns:repeat(3, minmax(0, 1fr))}
    }
    @media (max-width: 1024px){
      .hero-grid,
      .compare-grid,
      .info-grid,
      .contact-grid,
      .footer-inner{
        grid-template-columns:1fr;
      }
      .matrix-grid,
      .tier-grid{
        grid-template-columns:repeat(2, minmax(0, 1fr));
      }
      .wall-grid{
        grid-template-columns:repeat(2, minmax(0, 1fr));
      }
      .meter-grid{
        grid-template-columns:1fr;
      }
      .field-grid{
        grid-template-columns:1fr;
      }
      .hero-stage{min-height:auto}
      .preview-frame{min-height:420px}
      .topbar-inner{
        flex-wrap:wrap;
      }
      .channelbar-inner{
        flex-wrap:wrap;
      }
    }
    @media (max-width: 768px){
      .container{width:min(var(--container), calc(100% - 24px))}
      .hero{padding-top:22px}
      .hero-copy{padding-top:8px}
      .hero-actions,.hero-points,.section-foot,.submit-row,.topbar-tools,.channel-cta{
        width:100%;
      }
      .topbar-inner{gap:10px}
      .topbar-tools{justify-content:flex-start;flex-wrap:wrap}
      .channelbar-inner{gap:10px}
      .channel-label{width:100%}
      .channel-cta{justify-content:flex-start;flex-wrap:wrap}
      .compare-row{
        grid-template-columns:1fr;
      }
      .compare-row.head{
        display:none;
      }
      .news-item{
        grid-template-columns:auto 1fr;
      }
      .news-item em{
        grid-column:2 / -1;
        padding-left:0;
      }
      .floating-cta{
        left:12px;
        right:12px;
        justify-content:space-between;
      }
      .floating-cta .btn{
        flex:1 1 0;
      }
    }
    @media (max-width: 520px){
      .brand-text span{display:none}
      h1{max-width:12ch}
      .hero{
        padding-bottom:12px;
      }
      .matrix-grid,
      .tier-grid,
      .wall-grid{
        grid-template-columns:1fr;
      }
      .mini-grid{
        grid-template-columns:1fr;
      }
      .hero-points{
        display:grid;
        grid-template-columns:1fr;
      }
      .point{min-width:0}
      .preview-stack{
        inset:52px 12px 12px;
      }
      .preview-card p,
      .service-card p,
      .tier-card p,
      .wall-card p,
      .news-item span,
      .news-item em{
        font-size:.84rem;
      }
      .btn{
        width:100%;
      }
      .floating-cta{
        padding:8px;
      }
      .floating-cta .btn{
        min-height:42px;
      }
    }

/* roulang page: category1 */
:root {
      --bg: #0b0f14;
      --bg-alt: #10161d;
      --surface: #141b23;
      --surface-2: #18212b;
      --surface-3: #1d2732;
      --line: #263243;
      --line-soft: rgba(255, 255, 255, 0.08);
      --text: #eef3f8;
      --muted: #9ba7b5;
      --subtle: #768395;
      --accent: #76e0bf;
      --accent-2: #59d7ff;
      --accent-3: #f1c46b;
      --danger: #ff7d7d;
      --success: #7ee08a;
      --shadow: 0 18px 50px rgba(0, 0, 0, 0.34);
      --shadow-soft: 0 8px 24px rgba(0, 0, 0, 0.2);
      --radius: 8px;
      --radius-sm: 6px;
      --gap: 24px;
      --container: 1200px;
      --focus: 0 0 0 3px rgba(89, 215, 255, 0.22);
    }

    * {
      box-sizing: border-box;
    }

    html {
      scroll-behavior: smooth;
    }

    body {
      margin: 0;
      min-width: 320px;
      background:
        linear-gradient(rgba(255,255,255,0.028) 1px, transparent 1px),
        linear-gradient(90deg, rgba(255,255,255,0.028) 1px, transparent 1px),
        radial-gradient(circle at top, rgba(89, 215, 255, 0.06), transparent 36%),
        linear-gradient(180deg, #0b0f14 0%, #0c1117 100%);
      background-size: 42px 42px, 42px 42px, 100% 100%, 100% 100%;
      color: var(--text);
      font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", sans-serif;
      line-height: 1.6;
      letter-spacing: 0;
      text-rendering: optimizeLegibility;
      -webkit-font-smoothing: antialiased;
    }

    a {
      color: inherit;
      text-decoration: none;
    }

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

    button,
    input,
    textarea,
    select {
      font: inherit;
      color: inherit;
    }

    button {
      cursor: pointer;
    }

    ::selection {
      background: rgba(118, 224, 191, 0.28);
      color: #fff;
    }

    .container {
      width: min(100% - 32px, var(--container));
      margin: 0 auto;
    }

    .topbar {
      position: sticky;
      top: 0;
      z-index: 50;
      background: rgba(11, 15, 20, 0.84);
      backdrop-filter: blur(14px);
      border-bottom: 1px solid var(--line-soft);
    }

    .topbar-inner {
      min-height: 76px;
      display: flex;
      align-items: center;
      justify-content: space-between;
      gap: 16px;
    }

    .brand {
      display: inline-flex;
      align-items: center;
      gap: 14px;
      min-width: 0;
    }

    .brand-mark {
      width: 42px;
      height: 42px;
      display: inline-flex;
      align-items: center;
      justify-content: center;
      border-radius: var(--radius);
      background: linear-gradient(135deg, rgba(118, 224, 191, 0.18), rgba(89, 215, 255, 0.16));
      color: var(--accent);
      border: 1px solid rgba(118, 224, 191, 0.22);
      font-weight: 800;
      font-size: 1rem;
      flex: none;
    }

    .brand-text {
      display: grid;
      gap: 2px;
      min-width: 0;
    }

    .brand-text strong {
      font-size: 1rem;
      line-height: 1.2;
      white-space: nowrap;
      overflow: hidden;
      text-overflow: ellipsis;
    }

    .brand-text span {
      color: var(--muted);
      font-size: 0.86rem;
      white-space: nowrap;
      overflow: hidden;
      text-overflow: ellipsis;
    }

    .topbar-tools {
      display: flex;
      align-items: center;
      gap: 10px;
      flex-wrap: wrap;
      justify-content: flex-end;
    }

    .tool-pill {
      display: inline-flex;
      align-items: center;
      min-height: 34px;
      padding: 0 12px;
      border-radius: 999px;
      border: 1px solid var(--line);
      background: rgba(255, 255, 255, 0.03);
      color: var(--muted);
      font-size: 0.84rem;
      white-space: nowrap;
    }

    .channel-nav {
      position: sticky;
      top: 76px;
      z-index: 40;
      background: rgba(12, 17, 23, 0.88);
      backdrop-filter: blur(14px);
      border-bottom: 1px solid var(--line-soft);
    }

    .channel-nav-row {
      display: flex;
      align-items: center;
      justify-content: space-between;
      gap: 16px;
      min-height: 60px;
    }

    .channel-tabs {
      display: flex;
      gap: 8px;
      overflow-x: auto;
      padding: 10px 0;
      scrollbar-width: none;
    }

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

    .channel-tab {
      flex: none;
      display: inline-flex;
      align-items: center;
      min-height: 38px;
      padding: 0 14px;
      border-radius: 999px;
      border: 1px solid transparent;
      color: var(--muted);
      background: rgba(255, 255, 255, 0.02);
      transition: transform 160ms ease, border-color 160ms ease, background 160ms ease, color 160ms ease, box-shadow 160ms ease;
      white-space: nowrap;
    }

    .channel-tab:hover {
      color: var(--text);
      border-color: rgba(255, 255, 255, 0.12);
      transform: translateY(-1px);
    }

    .channel-tab.active,
    .channel-tab[aria-current="page"] {
      color: #eafbf5;
      background: rgba(118, 224, 191, 0.12);
      border-color: rgba(118, 224, 191, 0.28);
      box-shadow: inset 0 -2px 0 var(--accent);
    }

    .channel-tools {
      display: flex;
      align-items: center;
      gap: 10px;
      flex: none;
    }

    .channel-note {
      color: var(--subtle);
      font-size: 0.85rem;
      white-space: nowrap;
    }

    .mini-link {
      display: inline-flex;
      align-items: center;
      min-height: 36px;
      padding: 0 12px;
      border-radius: 999px;
      border: 1px solid var(--line);
      color: var(--text);
      background: rgba(255, 255, 255, 0.02);
      transition: transform 160ms ease, border-color 160ms ease, background 160ms ease;
      white-space: nowrap;
    }

    .mini-link:hover {
      transform: translateY(-1px);
      border-color: rgba(89, 215, 255, 0.28);
      background: rgba(89, 215, 255, 0.08);
    }

    main {
      padding: 28px 0 42px;
    }

    .hero {
      padding: 18px 0 12px;
    }

    .hero-shell {
      position: relative;
      overflow: hidden;
      padding: 28px;
      border: 1px solid var(--line-soft);
      border-radius: 12px;
      background:
        linear-gradient(180deg, rgba(255,255,255,0.025), transparent 72%),
        linear-gradient(135deg, rgba(24, 33, 43, 0.96), rgba(17, 22, 29, 0.96));
      box-shadow: var(--shadow);
    }

    .hero-shell::before {
      content: "";
      position: absolute;
      inset: 0;
      background:
        linear-gradient(115deg, transparent 0 28%, rgba(118, 224, 191, 0.06) 34%, transparent 40%),
        linear-gradient(28deg, transparent 0 62%, rgba(89, 215, 255, 0.06) 68%, transparent 74%);
      pointer-events: none;
    }

    .hero-grid {
      position: relative;
      display: grid;
      grid-template-columns: minmax(0, 1.1fr) minmax(320px, 0.9fr);
      gap: 24px;
      align-items: start;
    }

    .eyebrow {
      display: inline-flex;
      align-items: center;
      gap: 8px;
      min-height: 30px;
      padding: 0 12px;
      border-radius: 999px;
      border: 1px solid rgba(118, 224, 191, 0.24);
      background: rgba(118, 224, 191, 0.08);
      color: #d9fff3;
      font-size: 0.82rem;
      letter-spacing: 0;
    }

    .hero h1 {
      margin: 16px 0 12px;
      font-size: clamp(2rem, 3.3vw, 3.45rem);
      line-height: 1.08;
      letter-spacing: 0;
    }

    .hero-copy p {
      max-width: 58ch;
      margin: 0;
      color: var(--muted);
      font-size: 1rem;
    }

    .hero-actions {
      display: flex;
      gap: 12px;
      flex-wrap: wrap;
      margin-top: 22px;
    }

    .btn {
      display: inline-flex;
      align-items: center;
      justify-content: center;
      gap: 8px;
      min-height: 44px;
      padding: 0 16px;
      border-radius: 8px;
      border: 1px solid transparent;
      background: transparent;
      color: var(--text);
      transition: transform 160ms ease, border-color 160ms ease, background 160ms ease, box-shadow 160ms ease, opacity 160ms ease;
      white-space: nowrap;
      outline: none;
    }

    .btn:hover {
      transform: translateY(-1px);
    }

    .btn:focus-visible,
    .channel-tab:focus-visible,
    .mini-link:focus-visible,
    .chip:focus-visible,
    .filter-pill:focus-visible,
    input:focus-visible,
    textarea:focus-visible {
      box-shadow: var(--focus);
      outline: none;
    }

    .btn-primary {
      background: linear-gradient(135deg, rgba(118, 224, 191, 0.96), rgba(89, 215, 255, 0.92));
      color: #071018;
      border-color: transparent;
      box-shadow: 0 12px 26px rgba(89, 215, 255, 0.16);
    }

    .btn-primary:hover {
      background: linear-gradient(135deg, rgba(128, 232, 199, 1), rgba(107, 222, 255, 1));
    }

    .btn-secondary {
      background: rgba(255, 255, 255, 0.03);
      border-color: var(--line);
      color: var(--text);
    }

    .btn-secondary:hover {
      border-color: rgba(255, 255, 255, 0.18);
      background: rgba(255, 255, 255, 0.05);
    }

    .search-panel {
      margin-top: 24px;
      padding: 18px;
      border-radius: 10px;
      border: 1px solid var(--line);
      background: rgba(8, 12, 17, 0.5);
    }

    .search-form {
      display: grid;
      grid-template-columns: minmax(0, 1fr) auto;
      gap: 12px;
      align-items: center;
    }

    .search-input {
      width: 100%;
      min-height: 48px;
      border-radius: 8px;
      border: 1px solid var(--line);
      background: var(--bg-alt);
      color: var(--text);
      padding: 0 14px;
    }

    .search-input::placeholder {
      color: #7c8997;
    }

    .hot-tags {
      display: flex;
      gap: 10px;
      flex-wrap: wrap;
      margin-top: 14px;
    }

    .chip {
      display: inline-flex;
      align-items: center;
      min-height: 32px;
      padding: 0 12px;
      border-radius: 999px;
      border: 1px solid var(--line);
      background: rgba(255, 255, 255, 0.02);
      color: var(--muted);
      transition: transform 160ms ease, border-color 160ms ease, background 160ms ease, color 160ms ease;
    }

    .chip:hover,
    .chip.is-active {
      transform: translateY(-1px);
      color: #f4fffb;
      border-color: rgba(118, 224, 191, 0.26);
      background: rgba(118, 224, 191, 0.1);
    }

    .hero-panel {
      display: grid;
      gap: 12px;
    }

    .panel-card {
      padding: 18px;
      border: 1px solid var(--line);
      border-radius: 10px;
      background: linear-gradient(180deg, rgba(255,255,255,0.03), rgba(255,255,255,0.015));
      box-shadow: var(--shadow-soft);
    }

    .panel-head {
      display: flex;
      align-items: center;
      justify-content: space-between;
      gap: 12px;
      margin-bottom: 14px;
    }

    .panel-head h2,
    .section-title {
      margin: 0;
      font-size: 1.08rem;
      line-height: 1.2;
      letter-spacing: 0;
    }

    .panel-head span {
      color: var(--subtle);
      font-size: 0.84rem;
    }

    .metric-grid {
      display: grid;
      grid-template-columns: repeat(3, minmax(0, 1fr));
      gap: 12px;
    }

    .metric {
      padding: 14px;
      border-radius: 8px;
      border: 1px solid var(--line);
      background: rgba(10, 14, 19, 0.38);
      min-height: 114px;
    }

    .metric .label {
      color: var(--muted);
      font-size: 0.82rem;
    }

    .metric .value {
      display: block;
      margin-top: 8px;
      font-size: 1.7rem;
      line-height: 1;
      font-weight: 800;
      letter-spacing: 0;
    }

    .metric .delta {
      display: inline-flex;
      align-items: center;
      gap: 6px;
      margin-top: 10px;
      color: var(--accent);
      font-size: 0.84rem;
    }

    .progress {
      margin-top: 12px;
      height: 8px;
      border-radius: 999px;
      background: rgba(255, 255, 255, 0.06);
      overflow: hidden;
    }

    .progress > span {
      display: block;
      height: 100%;
      border-radius: inherit;
      background: linear-gradient(90deg, var(--accent), var(--accent-2));
    }

    .status-list {
      display: grid;
      gap: 10px;
    }

    .status-row {
      display: flex;
      justify-content: space-between;
      gap: 12px;
      align-items: center;
      padding: 12px 14px;
      border-radius: 8px;
      border: 1px solid var(--line);
      background: rgba(255, 255, 255, 0.02);
    }

    .status-row strong {
      font-size: 0.94rem;
      font-weight: 600;
    }

    .status-row span {
      color: var(--muted);
      font-size: 0.84rem;
    }

    .state-dot {
      width: 8px;
      height: 8px;
      border-radius: 50%;
      background: var(--success);
      box-shadow: 0 0 0 5px rgba(126, 224, 138, 0.12);
      flex: none;
    }

    .section {
      padding: 20px 0;
    }

    .section-shell {
      padding: 22px;
      border: 1px solid var(--line-soft);
      border-radius: 12px;
      background: rgba(13, 18, 24, 0.72);
      box-shadow: var(--shadow-soft);
    }

    .section-top {
      display: flex;
      align-items: end;
      justify-content: space-between;
      gap: 16px;
      margin-bottom: 18px;
    }

    .section-top p {
      margin: 6px 0 0;
      color: var(--muted);
      max-width: 68ch;
    }

    .section-tools {
      display: flex;
      gap: 8px;
      flex-wrap: wrap;
      justify-content: flex-end;
    }

    .filter-pill {
      display: inline-flex;
      align-items: center;
      min-height: 36px;
      padding: 0 12px;
      border-radius: 999px;
      border: 1px solid var(--line);
      background: rgba(255, 255, 255, 0.02);
      color: var(--muted);
      transition: transform 160ms ease, border-color 160ms ease, background 160ms ease, color 160ms ease;
    }

    .filter-pill.is-active {
      color: #f3fffb;
      border-color: rgba(89, 215, 255, 0.26);
      background: rgba(89, 215, 255, 0.1);
    }

    .split-layout {
      display: grid;
      grid-template-columns: 300px minmax(0, 1fr);
      gap: 18px;
      align-items: start;
    }

    .side-panel {
      position: sticky;
      top: 152px;
      padding: 18px;
      border-radius: 10px;
      border: 1px solid var(--line);
      background: rgba(255, 255, 255, 0.02);
    }

    .side-panel h3 {
      margin: 0 0 10px;
      font-size: 0.98rem;
    }

    .side-note {
      color: var(--muted);
      font-size: 0.88rem;
      margin: 0 0 16px;
    }

    .stack-list {
      display: grid;
      gap: 10px;
    }

    .stack-item {
      display: flex;
      justify-content: space-between;
      gap: 12px;
      align-items: center;
      padding: 11px 12px;
      border-radius: 8px;
      border: 1px solid var(--line);
      background: rgba(255, 255, 255, 0.02);
    }

    .stack-item .key {
      color: var(--text);
      font-size: 0.92rem;
    }

    .stack-item .value {
      color: var(--muted);
      font-size: 0.84rem;
      white-space: nowrap;
    }

    .feed-panel {
      display: grid;
      gap: 12px;
    }

    .feed-head {
      display: flex;
      align-items: center;
      justify-content: space-between;
      gap: 12px;
      padding: 0 0 4px;
    }

    .feed-head h3 {
      margin: 0;
      font-size: 1rem;
    }

    .feed-head .count {
      color: var(--subtle);
      font-size: 0.84rem;
    }

    .entry-card {
      display: grid;
      grid-template-columns: minmax(0, 1fr) 180px;
      gap: 16px;
      align-items: stretch;
      padding: 18px;
      border-radius: 10px;
      border: 1px solid var(--line);
      background: rgba(255, 255, 255, 0.02);
      transition: transform 160ms ease, border-color 160ms ease, background 160ms ease, box-shadow 160ms ease;
    }

    .entry-card:hover {
      transform: translateY(-2px);
      border-color: rgba(118, 224, 191, 0.22);
      background: rgba(255, 255, 255, 0.03);
      box-shadow: 0 12px 24px rgba(0, 0, 0, 0.16);
    }

    .entry-main {
      min-width: 0;
    }

    .entry-main h4 {
      margin: 0 0 8px;
      font-size: 1.02rem;
      line-height: 1.3;
    }

    .entry-main p {
      margin: 0;
      color: var(--muted);
      font-size: 0.92rem;
    }

    .tag-row {
      display: flex;
      flex-wrap: wrap;
      gap: 8px;
      margin-top: 14px;
    }

    .tag {
      display: inline-flex;
      align-items: center;
      min-height: 28px;
      padding: 0 10px;
      border-radius: 999px;
      border: 1px solid rgba(255, 255, 255, 0.09);
      background: rgba(255, 255, 255, 0.03);
      color: #dfe8f0;
      font-size: 0.8rem;
    }

    .tag.tag-accent {
      border-color: rgba(118, 224, 191, 0.22);
      background: rgba(118, 224, 191, 0.09);
      color: #dafcf1;
    }

    .tag.tag-warm {
      border-color: rgba(241, 196, 107, 0.22);
      background: rgba(241, 196, 107, 0.08);
      color: #ffe8ba;
    }

    .entry-meta {
      display: grid;
      align-content: space-between;
      gap: 12px;
      padding-left: 16px;
      border-left: 1px solid var(--line);
      min-height: 100%;
    }

    .entry-meta .time {
      color: var(--muted);
      font-size: 0.84rem;
    }

    .entry-meta .flag {
      display: inline-flex;
      align-items: center;
      justify-content: center;
      min-height: 32px;
      padding: 0 10px;
      border-radius: 999px;
      border: 1px solid rgba(126, 224, 138, 0.2);
      background: rgba(126, 224, 138, 0.08);
      color: #d8ffe0;
      font-size: 0.82rem;
      white-space: nowrap;
    }

    .entry-meta .action {
      display: inline-flex;
      align-items: center;
      justify-content: center;
      min-height: 38px;
      padding: 0 12px;
      border-radius: 8px;
      border: 1px solid var(--line);
      background: rgba(255, 255, 255, 0.03);
      color: var(--text);
      transition: transform 160ms ease, border-color 160ms ease, background 160ms ease;
      white-space: nowrap;
    }

    .entry-meta .action:hover {
      transform: translateY(-1px);
      border-color: rgba(89, 215, 255, 0.24);
      background: rgba(89, 215, 255, 0.08);
    }

    .compare-grid {
      display: grid;
      grid-template-columns: repeat(3, minmax(0, 1fr));
      gap: 14px;
    }

    .compare-card {
      padding: 18px;
      border-radius: 10px;
      border: 1px solid var(--line);
      background: rgba(255, 255, 255, 0.02);
    }

    .compare-card h4 {
      margin: 0 0 8px;
      font-size: 1rem;
    }

    .compare-card p {
      margin: 0 0 14px;
      color: var(--muted);
      font-size: 0.9rem;
    }

    .score-line {
      display: flex;
      align-items: center;
      justify-content: space-between;
      gap: 10px;
      margin-bottom: 8px;
      color: #d9e4ee;
      font-size: 0.84rem;
    }

    .score-bar {
      height: 8px;
      border-radius: 999px;
      overflow: hidden;
      background: rgba(255, 255, 255, 0.06);
    }

    .score-bar > span {
      display: block;
      height: 100%;
      border-radius: inherit;
      background: linear-gradient(90deg, var(--accent), var(--accent-2));
    }

    .bullet-list {
      margin: 14px 0 0;
      padding: 0;
      list-style: none;
      display: grid;
      gap: 8px;
    }

    .bullet-list li {
      position: relative;
      padding-left: 18px;
      color: var(--muted);
      font-size: 0.9rem;
    }

    .bullet-list li::before {
      content: "";
      position: absolute;
      left: 0;
      top: 0.72em;
      width: 8px;
      height: 8px;
      border-radius: 999px;
      background: var(--accent-3);
      transform: translateY(-50%);
    }

    .faq-list {
      display: grid;
      gap: 10px;
    }

    details.faq-item {
      border-radius: 10px;
      border: 1px solid var(--line);
      background: rgba(255, 255, 255, 0.02);
      overflow: hidden;
    }

    details.faq-item[open] {
      background: rgba(255, 255, 255, 0.03);
    }

    details.faq-item summary {
      list-style: none;
      cursor: pointer;
      padding: 16px 18px;
      display: flex;
      align-items: center;
      justify-content: space-between;
      gap: 16px;
      font-weight: 600;
      outline: none;
    }

    details.faq-item summary::-webkit-details-marker {
      display: none;
    }

    details.faq-item summary::after {
      content: "+";
      color: var(--accent);
      font-size: 1.2rem;
      line-height: 1;
      flex: none;
    }

    details.faq-item[open] summary::after {
      content: "−";
    }

    .faq-body {
      padding: 0 18px 16px;
      color: var(--muted);
      border-top: 1px solid var(--line-soft);
    }

    .faq-body p {
      margin: 14px 0 0;
    }

    .faq-body p:first-child {
      margin-top: 12px;
    }

    .cta-shell {
      display: grid;
      grid-template-columns: minmax(0, 0.9fr) minmax(340px, 1.1fr);
      gap: 18px;
      align-items: start;
    }

    .cta-copy {
      padding: 22px;
      border: 1px solid var(--line-soft);
      border-radius: 12px;
      background:
        linear-gradient(180deg, rgba(118, 224, 191, 0.08), transparent 52%),
        rgba(255, 255, 255, 0.02);
    }

    .cta-copy h2 {
      margin: 0 0 10px;
      font-size: 1.28rem;
      line-height: 1.2;
    }

    .cta-copy p {
      margin: 0;
      color: var(--muted);
    }

    .cta-points {
      display: grid;
      gap: 10px;
      margin-top: 18px;
    }

    .cta-point {
      display: flex;
      gap: 10px;
      align-items: flex-start;
      color: #dfe7ef;
      font-size: 0.92rem;
    }

    .cta-point .mark {
      width: 18px;
      height: 18px;
      border-radius: 50%;
      background: rgba(118, 224, 191, 0.15);
      border: 1px solid rgba(118, 224, 191, 0.28);
      flex: none;
      margin-top: 0.18em;
    }

    .contact-panel {
      padding: 22px;
      border: 1px solid var(--line-soft);
      border-radius: 12px;
      background: rgba(14, 19, 26, 0.9);
      box-shadow: var(--shadow-soft);
    }

    .form-grid {
      display: grid;
      grid-template-columns: repeat(2, minmax(0, 1fr));
      gap: 12px;
    }

    .field {
      display: grid;
      gap: 8px;
    }

    .field.full {
      grid-column: 1 / -1;
    }

    .field label {
      color: #dce6ef;
      font-size: 0.86rem;
    }

    .field input,
    .field textarea {
      width: 100%;
      border: 1px solid var(--line);
      background: var(--bg-alt);
      border-radius: 8px;
      padding: 12px 13px;
      min-height: 46px;
      transition: border-color 160ms ease, background 160ms ease, box-shadow 160ms ease;
    }

    .field textarea {
      min-height: 118px;
      resize: vertical;
    }

    .field input::placeholder,
    .field textarea::placeholder {
      color: #7c8997;
    }

    .field input:focus,
    .field textarea:focus {
      border-color: rgba(89, 215, 255, 0.26);
      box-shadow: var(--focus);
      outline: none;
    }

    .submit-row {
      display: flex;
      align-items: center;
      justify-content: space-between;
      gap: 12px;
      margin-top: 14px;
      flex-wrap: wrap;
    }

    .submit-note {
      color: var(--subtle);
      font-size: 0.84rem;
    }

    .footer {
      margin-top: 20px;
      padding: 22px 0 32px;
      border-top: 1px solid var(--line-soft);
      background: linear-gradient(180deg, transparent, rgba(0, 0, 0, 0.16));
    }

    .footer-inner {
      display: grid;
      grid-template-columns: minmax(0, 1fr) auto;
      gap: 20px;
      align-items: start;
    }

    .footer-brand strong {
      display: block;
      margin-bottom: 8px;
      font-size: 1rem;
    }

    .footer-brand p {
      margin: 0;
      max-width: 70ch;
      color: var(--muted);
      font-size: 0.92rem;
    }

    .footer-links {
      display: grid;
      justify-items: end;
      gap: 8px;
    }

    .footer-link {
      display: inline-flex;
      align-items: center;
      gap: 8px;
      color: #dfe7ef;
      transition: transform 160ms ease, color 160ms ease;
    }

    .footer-link span {
      color: var(--accent);
      transition: transform 160ms ease;
    }

    .footer-link:hover {
      transform: translateX(2px);
      color: #fff;
    }

    .footer-link:hover span {
      transform: translateX(2px);
    }

    .copyright {
      color: var(--subtle);
      font-size: 0.84rem;
      text-align: right;
    }

    .empty-state,
    .skeleton {
      display: none;
    }

    @media (max-width: 1280px) {
      .hero-grid,
      .cta-shell {
        grid-template-columns: 1fr;
      }

      .side-panel {
        position: static;
      }
    }

    @media (max-width: 1024px) {
      .split-layout {
        grid-template-columns: 1fr;
      }

      .entry-card {
        grid-template-columns: 1fr 160px;
      }

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

    @media (max-width: 768px) {
      .topbar-inner,
      .channel-nav-row,
      .section-top,
      .submit-row,
      .footer-inner {
        grid-template-columns: 1fr;
        display: grid;
      }

      .topbar-inner {
        padding: 14px 0;
      }

      .topbar-tools,
      .channel-tools,
      .section-tools,
      .footer-links {
        justify-content: flex-start;
      }

      .channel-nav {
        top: 73px;
      }

      .hero-shell,
      .section-shell,
      .cta-copy,
      .contact-panel {
        padding: 18px;
      }

      .metric-grid,
      .form-grid {
        grid-template-columns: 1fr;
      }

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

      .entry-meta {
        padding-left: 0;
        border-left: 0;
        border-top: 1px solid var(--line);
        padding-top: 14px;
      }

      .search-form {
        grid-template-columns: 1fr;
      }

      .hero h1 {
        font-size: clamp(1.8rem, 9vw, 2.6rem);
      }
    }

    @media (max-width: 520px) {
      .container {
        width: min(100% - 22px, var(--container));
      }

      .brand-text span,
      .channel-note,
      .tool-pill {
        white-space: normal;
      }

      .hero-actions,
      .hot-tags,
      .topbar-tools,
      .channel-tools {
        gap: 8px;
      }

      .btn,
      .mini-link,
      .filter-pill,
      .channel-tab,
      .chip {
        width: auto;
      }

      .hero-shell {
        border-radius: 10px;
      }

      .section-shell,
      .contact-panel,
      .cta-copy,
      .panel-card,
      .compare-card,
      .entry-card,
      details.faq-item {
        border-radius: 8px;
      }
    }

    @media (prefers-reduced-motion: reduce) {
      html {
        scroll-behavior: auto;
      }

      *,
      *::before,
      *::after {
        animation-duration: 0.01ms !important;
        animation-iteration-count: 1 !important;
        transition-duration: 0.01ms !important;
        scroll-behavior: auto !important;
      }
    }

/* roulang page: category2 */
:root{
  --bg:#0b0d10;
  --bg-soft:#10141a;
  --panel:#121821;
  --panel-2:#161d27;
  --panel-3:#1b2430;
  --line:rgba(255,255,255,.10);
  --line-strong:rgba(255,255,255,.16);
  --text:#eef2f6;
  --muted:#98a4b3;
  --muted-2:#7d8896;
  --accent:#67e6c2;
  --accent-2:#8ef2de;
  --amber:#f2c56e;
  --danger:#f38b8b;
  --success:#7be09a;
  --shadow:0 18px 50px rgba(0,0,0,.28);
  --shadow-soft:0 10px 24px rgba(0,0,0,.18);
  --radius:12px;
  --radius-sm:8px;
  --radius-xs:6px;
  --container:1180px;
  --space:clamp(18px,2vw,28px);
  --space-lg:clamp(28px,4vw,44px);
  --focus:0 0 0 3px rgba(103,230,194,.22);
  --transition:180ms cubic-bezier(.2,.8,.2,1);
  --font: ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", "Noto Sans CJK SC", "Segoe UI", sans-serif;
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{
  margin:0;
  font-family:var(--font);
  color:var(--text);
  background:
    radial-gradient(circle at top left, rgba(103,230,194,.06), transparent 30%),
    radial-gradient(circle at top right, rgba(242,197,110,.05), transparent 28%),
    linear-gradient(180deg, #090b0f 0%, #0b0d10 22%, #0b0d10 100%);
  min-height:100vh;
  line-height:1.72;
  letter-spacing:.01em;
}
body::before{
  content:"";
  position:fixed;
  inset:0;
  pointer-events:none;
  opacity:.35;
  background-image:
    linear-gradient(rgba(255,255,255,.035) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255,255,255,.025) 1px, transparent 1px);
  background-size:32px 32px;
  mask-image:linear-gradient(180deg, rgba(0,0,0,.7), rgba(0,0,0,.15) 70%, transparent 100%);
}
a{color:inherit;text-decoration:none;transition:color var(--transition), border-color var(--transition), transform var(--transition), background var(--transition), opacity var(--transition)}
img{max-width:100%;display:block}
button,input,textarea{font:inherit}
button{border:0;background:none;color:inherit}
::selection{background:rgba(103,230,194,.22);color:#fff}
.container{
  width:min(calc(100% - 32px), var(--container));
  margin-inline:auto;
}
.topbar{
  position:sticky;
  top:0;
  z-index:60;
  backdrop-filter:blur(12px);
  background:rgba(10,12,16,.86);
  border-bottom:1px solid var(--line);
}
.topbar-inner{
  min-height:78px;
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:18px;
  padding:14px 0;
}
.brand{
  display:flex;
  align-items:center;
  gap:14px;
  min-width:0;
}
.brand-mark{
  width:46px;
  height:46px;
  border-radius:12px;
  display:grid;
  place-items:center;
  font-weight:800;
  font-size:18px;
  color:#0b0d10;
  background:linear-gradient(135deg, var(--accent), var(--accent-2));
  box-shadow:0 10px 24px rgba(103,230,194,.22);
  flex:none;
}
.brand-text{display:grid;gap:2px;min-width:0}
.brand-text strong{
  font-size:18px;
  letter-spacing:.04em;
  white-space:nowrap;
  overflow:hidden;
  text-overflow:ellipsis;
}
.brand-text span{
  color:var(--muted);
  font-size:13px;
  white-space:nowrap;
  overflow:hidden;
  text-overflow:ellipsis;
}
.topbar-tools{
  display:flex;
  flex-wrap:wrap;
  justify-content:flex-end;
  gap:10px;
}
.tool-pill{
  display:inline-flex;
  align-items:center;
  gap:8px;
  padding:9px 12px;
  border-radius:999px;
  border:1px solid var(--line);
  background:rgba(255,255,255,.03);
  color:var(--muted);
  font-size:12px;
  letter-spacing:.02em;
}
.channelbar{
  border-top:1px solid var(--line);
  background:rgba(255,255,255,.02);
}
.channelbar-inner{
  display:flex;
  align-items:center;
  gap:12px;
  padding:12px 0;
}
.channel-label{
  color:var(--muted);
  font-size:12px;
  letter-spacing:.18em;
  text-transform:uppercase;
  flex:none;
}
.channel-nav{
  display:flex;
  align-items:center;
  gap:10px;
  overflow:auto;
  scrollbar-width:thin;
  scrollbar-color:rgba(255,255,255,.22) transparent;
  padding-bottom:4px;
  width:100%;
}
.channel-nav::-webkit-scrollbar{height:6px}
.channel-nav::-webkit-scrollbar-thumb{background:rgba(255,255,255,.18);border-radius:999px}
.channel-link{
  position:relative;
  flex:none;
  display:inline-flex;
  align-items:center;
  gap:8px;
  padding:10px 14px;
  border-radius:999px;
  border:1px solid transparent;
  background:rgba(255,255,255,.02);
  color:var(--muted);
  font-size:13px;
  white-space:nowrap;
}
.channel-link:hover,
.channel-link:focus-visible{
  color:var(--text);
  border-color:rgba(103,230,194,.28);
  background:rgba(103,230,194,.06);
  transform:translateY(-1px);
  outline:none;
}
.channel-link.active{
  color:#f8fbfc;
  background:linear-gradient(135deg, rgba(103,230,194,.18), rgba(255,255,255,.04));
  border-color:rgba(103,230,194,.42);
  box-shadow:0 8px 20px rgba(0,0,0,.14);
}
.channel-link.active::after{
  content:"";
  position:absolute;
  left:14px;
  right:14px;
  bottom:-10px;
  height:2px;
  border-radius:999px;
  background:linear-gradient(90deg, var(--accent), transparent);
}
.hero-strip{
  padding:20px 0 0;
}
.hero-panel{
  position:relative;
  overflow:hidden;
  border:1px solid var(--line);
  border-radius:16px;
  background:
    linear-gradient(180deg, rgba(255,255,255,.05), rgba(255,255,255,.02)),
    linear-gradient(135deg, rgba(103,230,194,.06), transparent 38%);
  box-shadow:var(--shadow-soft);
}
.hero-panel::before{
  content:"";
  position:absolute;
  inset:0;
  background:radial-gradient(circle at top right, rgba(255,255,255,.08), transparent 30%);
  pointer-events:none;
}
.hero-inner{
  position:relative;
  display:grid;
  grid-template-columns:minmax(0,1.25fr) minmax(290px,.95fr);
  gap:var(--space);
  padding:clamp(22px,3vw,34px);
  align-items:stretch;
}
.kicker{
  display:inline-flex;
  align-items:center;
  gap:8px;
  color:var(--accent-2);
  font-size:12px;
  font-weight:700;
  letter-spacing:.14em;
  text-transform:uppercase;
}
.kicker::before{
  content:"";
  width:34px;
  height:1px;
  background:linear-gradient(90deg, var(--accent), transparent);
}
.hero-title{
  margin:12px 0 12px;
  font-size:clamp(32px,4.4vw,54px);
  line-height:1.05;
  letter-spacing:-.03em;
}
.hero-lead{
  margin:0;
  color:var(--muted);
  font-size:16px;
  max-width:58ch;
}
.hero-actions{
  display:flex;
  flex-wrap:wrap;
  gap:12px;
  margin-top:22px;
}
.btn{
  position:relative;
  display:inline-flex;
  align-items:center;
  justify-content:center;
  gap:10px;
  min-height:46px;
  padding:0 18px;
  border-radius:10px;
  border:1px solid transparent;
  font-weight:700;
  letter-spacing:.02em;
  cursor:pointer;
  transition:transform var(--transition), border-color var(--transition), background var(--transition), box-shadow var(--transition), color var(--transition), opacity var(--transition);
}
.btn:hover{transform:translateY(-1px)}
.btn:active{transform:translateY(0)}
.btn:focus-visible{
  outline:none;
  box-shadow:var(--focus);
}
.btn-primary{
  color:#08110f;
  background:linear-gradient(135deg, var(--accent), var(--accent-2));
  box-shadow:0 14px 32px rgba(103,230,194,.18);
}
.btn-primary:hover{box-shadow:0 18px 38px rgba(103,230,194,.24)}
.btn-secondary{
  color:var(--text);
  border-color:var(--line-strong);
  background:rgba(255,255,255,.02);
}
.btn-secondary:hover{
  border-color:rgba(103,230,194,.36);
  background:rgba(103,230,194,.06);
}
.btn[disabled],
.btn.is-disabled{
  opacity:.45;
  cursor:not-allowed;
  pointer-events:none;
}
.btn.is-loading{
  pointer-events:none;
  opacity:.85;
}
.btn.is-loading::after{
  content:"";
  width:14px;
  height:14px;
  border-radius:50%;
  border:2px solid rgba(8,17,15,.25);
  border-top-color:rgba(8,17,15,.8);
  animation:spin 1s linear infinite;
}
@keyframes spin{to{transform:rotate(360deg)}}
.hero-side{
  display:grid;
  gap:12px;
}
.stat-board{
  height:100%;
  border:1px solid var(--line);
  border-radius:14px;
  padding:16px;
  background:linear-gradient(180deg, rgba(255,255,255,.045), rgba(255,255,255,.02));
}
.stat-board-head{
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:10px;
  margin-bottom:14px;
}
.stat-board-head strong{
  font-size:14px;
  letter-spacing:.06em;
}
.stat-board-head span{
  color:var(--muted);
  font-size:12px;
}
.stat-grid{
  display:grid;
  grid-template-columns:repeat(2,minmax(0,1fr));
  gap:10px;
}
.stat-card{
  padding:14px;
  border-radius:12px;
  border:1px solid var(--line);
  background:rgba(10,14,19,.68);
}
.stat-card .label{
  color:var(--muted);
  font-size:12px;
}
.stat-card .value{
  display:block;
  margin-top:8px;
  font-size:24px;
  line-height:1;
  font-weight:800;
  letter-spacing:-.03em;
}
.stat-card .trend{
  display:inline-flex;
  align-items:center;
  gap:6px;
  margin-top:10px;
  color:var(--success);
  font-size:12px;
}
.bar-list{
  display:grid;
  gap:10px;
  margin-top:12px;
}
.bar-row{
  display:grid;
  gap:6px;
}
.bar-head{
  display:flex;
  justify-content:space-between;
  gap:10px;
  color:var(--muted);
  font-size:12px;
}
.bar{
  height:8px;
  border-radius:999px;
  background:rgba(255,255,255,.06);
  overflow:hidden;
  border:1px solid rgba(255,255,255,.04);
}
.bar > span{
  display:block;
  height:100%;
  border-radius:inherit;
  background:linear-gradient(90deg, var(--accent), var(--amber));
}
.meta-line{
  display:flex;
  flex-wrap:wrap;
  gap:8px;
  margin-top:16px;
}
.tag,
.badge{
  display:inline-flex;
  align-items:center;
  gap:6px;
  padding:7px 10px;
  border-radius:999px;
  border:1px solid var(--line);
  background:rgba(255,255,255,.02);
  color:var(--muted);
  font-size:12px;
}
.badge.emph{
  color:#0b0d10;
  background:linear-gradient(135deg, var(--accent), var(--accent-2));
  border-color:transparent;
}
.page{
  padding:var(--space-lg) 0 0;
}
.section{
  padding:0 0 var(--space-lg);
}
.section-head{
  display:flex;
  align-items:flex-end;
  justify-content:space-between;
  gap:16px;
  margin-bottom:16px;
}
.section-head h2{
  margin:0;
  font-size:clamp(22px,2.5vw,30px);
  line-height:1.12;
  letter-spacing:-.02em;
}
.section-head p{
  margin:0;
  max-width:56ch;
  color:var(--muted);
  font-size:14px;
}
.section-note{
  display:inline-flex;
  align-items:center;
  gap:8px;
  color:var(--muted);
  font-size:12px;
  white-space:nowrap;
}
.surface{
  border:1px solid var(--line);
  border-radius:16px;
  background:linear-gradient(180deg, rgba(255,255,255,.03), rgba(255,255,255,.015));
  box-shadow:var(--shadow-soft);
}
.summary-strip{
  display:grid;
  grid-template-columns:repeat(4,minmax(0,1fr));
  gap:12px;
  padding:16px;
}
.summary-item{
  padding:16px;
  border-radius:12px;
  border:1px solid var(--line);
  background:rgba(8,10,14,.55);
}
.summary-item strong{
  display:block;
  font-size:20px;
  line-height:1;
  margin-bottom:8px;
}
.summary-item span{
  color:var(--muted);
  font-size:13px;
}
.matrix-grid{
  display:grid;
  grid-template-columns:minmax(0,1.2fr) repeat(2,minmax(0,1fr));
  gap:12px;
}
.matrix-card{
  min-height:180px;
  padding:18px;
  border-radius:14px;
  border:1px solid var(--line);
  background:rgba(9,12,17,.62);
  position:relative;
  overflow:hidden;
}
.matrix-card::after{
  content:"";
  position:absolute;
  inset:auto 0 0 0;
  height:1px;
  background:linear-gradient(90deg, transparent, rgba(103,230,194,.24), transparent);
}
.matrix-card.featured{
  grid-row:span 2;
  min-height:372px;
  background:
    radial-gradient(circle at top right, rgba(103,230,194,.08), transparent 30%),
    linear-gradient(180deg, rgba(255,255,255,.05), rgba(255,255,255,.015));
}
.matrix-card h3{
  margin:12px 0 8px;
  font-size:20px;
  line-height:1.18;
}
.matrix-card p{
  margin:0;
  color:var(--muted);
  font-size:14px;
}
.matrix-card .card-footer{
  display:flex;
  flex-wrap:wrap;
  gap:8px;
  margin-top:16px;
}
.stack{
  display:grid;
  gap:10px;
  margin-top:16px;
}
.stack-row{
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:12px;
  padding:10px 12px;
  border-radius:12px;
  border:1px solid rgba(255,255,255,.08);
  background:rgba(255,255,255,.02);
}
.stack-row span{
  color:var(--muted);
  font-size:13px;
}
.stack-row strong{
  font-size:14px;
}
.dual-grid{
  display:grid;
  grid-template-columns:repeat(2,minmax(0,1fr));
  gap:12px;
}
.compare-panel{
  padding:18px;
  border-radius:14px;
  border:1px solid var(--line);
  background:rgba(9,12,17,.62);
}
.compare-panel h3{
  margin:0 0 10px;
  font-size:18px;
}
.compare-list{
  display:grid;
  gap:12px;
}
.compare-item{
  display:grid;
  gap:8px;
}
.compare-item-head{
  display:flex;
  justify-content:space-between;
  gap:12px;
  font-size:13px;
}
.compare-item-head span:first-child{color:var(--text);font-weight:700}
.compare-item-head span:last-child{color:var(--muted)}
.compare-track{
  height:10px;
  border-radius:999px;
  background:rgba(255,255,255,.06);
  overflow:hidden;
  border:1px solid rgba(255,255,255,.05);
}
.compare-track > i{
  display:block;
  height:100%;
  border-radius:inherit;
  background:linear-gradient(90deg, var(--amber), var(--accent));
}
.feature-list{
  display:grid;
  gap:10px;
}
.feature-item{
  display:flex;
  align-items:flex-start;
  gap:10px;
  padding:12px 14px;
  border-radius:12px;
  border:1px solid rgba(255,255,255,.08);
  background:rgba(255,255,255,.02);
}
.feature-dot{
  width:10px;
  height:10px;
  margin-top:6px;
  border-radius:999px;
  background:linear-gradient(135deg, var(--accent), var(--amber));
  flex:none;
}
.feature-item strong{
  display:block;
  margin-bottom:4px;
  font-size:14px;
}
.feature-item p{
  margin:0;
  color:var(--muted);
  font-size:13px;
}
.faq-wrap{
  display:grid;
  gap:12px;
}
details.faq{
  border:1px solid var(--line);
  border-radius:14px;
  background:rgba(255,255,255,.02);
  overflow:hidden;
  box-shadow:var(--shadow-soft);
}
details.faq[open]{
  border-color:rgba(103,230,194,.22);
  background:rgba(103,230,194,.04);
}
details.faq summary{
  list-style:none;
  cursor:pointer;
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:12px;
  padding:18px;
  font-weight:700;
  font-size:15px;
}
details.faq summary::-webkit-details-marker{display:none}
details.faq summary::after{
  content:"+";
  color:var(--accent-2);
  font-size:20px;
  line-height:1;
  transition:transform var(--transition), color var(--transition);
}
details.faq[open] summary::after{
  content:"–";
  transform:translateY(-1px);
}
.faq-body{
  padding:0 18px 18px;
  color:var(--muted);
  font-size:14px;
}
.faq-body p{margin:0 0 10px}
.faq-body p:last-child{margin-bottom:0}
.cta-panel{
  padding:18px;
  border-radius:16px;
  border:1px solid var(--line);
  background:
    linear-gradient(180deg, rgba(255,255,255,.035), rgba(255,255,255,.018)),
    radial-gradient(circle at top right, rgba(103,230,194,.08), transparent 28%);
}
.cta-grid{
  display:grid;
  grid-template-columns:1.05fr .95fr;
  gap:12px;
  align-items:start;
}
.cta-copy h2{
  margin:0 0 10px;
  font-size:clamp(22px,2.4vw,30px);
}
.cta-copy p{
  margin:0;
  color:var(--muted);
  max-width:60ch;
}
.form-grid{
  display:grid;
  gap:10px;
}
.form-row{
  display:grid;
  grid-template-columns:repeat(2,minmax(0,1fr));
  gap:10px;
}
.field{
  display:grid;
  gap:8px;
}
.field label{
  font-size:12px;
  color:var(--muted);
  letter-spacing:.08em;
}
.field input,
.field textarea{
  width:100%;
  border:1px solid var(--line);
  background:rgba(7,10,15,.72);
  color:var(--text);
  border-radius:10px;
  padding:13px 14px;
  min-height:46px;
  transition:border-color var(--transition), box-shadow var(--transition), background var(--transition);
}
.field textarea{
  min-height:116px;
  resize:vertical;
}
.field input::placeholder,
.field textarea::placeholder{color:#6f7a88}
.field input:hover,
.field textarea:hover{
  border-color:rgba(103,230,194,.22);
}
.field input:focus,
.field textarea:focus{
  outline:none;
  border-color:rgba(103,230,194,.45);
  box-shadow:var(--focus);
  background:rgba(10,14,19,.88);
}
.help-row{
  display:flex;
  flex-wrap:wrap;
  gap:8px;
  margin-top:4px;
}
.help-row .tag{
  background:rgba(255,255,255,.03);
}
.form-actions{
  display:flex;
  flex-wrap:wrap;
  gap:10px;
  align-items:center;
  justify-content:space-between;
  margin-top:6px;
}
.note{
  color:var(--muted);
  font-size:12px;
}
.footer{
  margin-top:var(--space-lg);
  border-top:1px solid var(--line);
  background:rgba(8,10,14,.82);
}
.footer-inner{
  display:grid;
  grid-template-columns:minmax(0,1.2fr) minmax(0,.8fr);
  gap:20px;
  padding:28px 0;
}
.footer-brand strong{
  display:block;
  font-size:18px;
  margin-bottom:10px;
}
.footer-brand p{
  margin:0;
  color:var(--muted);
  max-width:58ch;
}
.footer-links{
  display:grid;
  gap:10px;
  align-content:start;
}
.footer-link{
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:12px;
  padding:12px 14px;
  border-radius:12px;
  border:1px solid var(--line);
  background:rgba(255,255,255,.02);
  color:var(--text);
}
.footer-link span{color:var(--accent-2)}
.footer-link:hover,
.footer-link:focus-visible{
  border-color:rgba(103,230,194,.30);
  background:rgba(103,230,194,.06);
  transform:translateY(-1px);
  outline:none;
}
.copyright{
  color:var(--muted);
  font-size:12px;
  padding:4px 2px 0;
}
.separator{
  height:1px;
  background:linear-gradient(90deg, transparent, rgba(255,255,255,.12), transparent);
  margin:16px 0;
}
.empty-state,
.skeleton{
  border:1px dashed rgba(255,255,255,.12);
  background:rgba(255,255,255,.015);
  border-radius:14px;
}
.empty-state{
  padding:22px;
  color:var(--muted);
}
.skeleton{
  position:relative;
  overflow:hidden;
}
.skeleton::before{
  content:"";
  position:absolute;
  inset:0;
  transform:translateX(-120%);
  background:linear-gradient(90deg, transparent, rgba(255,255,255,.08), transparent);
  animation:sweep 1.7s infinite;
}
@keyframes sweep{to{transform:translateX(120%)}}
.loading-line{
  height:10px;
  width:70%;
  margin-bottom:10px;
  border-radius:999px;
  background:rgba(255,255,255,.08);
}
.loading-line.short{width:48%}
.loading-line.tiny{width:34%}
.icon-chip{
  width:32px;
  height:32px;
  display:grid;
  place-items:center;
  border-radius:10px;
  border:1px solid rgba(255,255,255,.08);
  background:rgba(255,255,255,.03);
  color:var(--accent-2);
  flex:none;
}
.hide-on-mobile{display:inline-flex}
.mobile-only{display:none}
@media (max-width: 1280px){
  .hero-inner{grid-template-columns:1.1fr .9fr}
  .matrix-grid{grid-template-columns:minmax(0,1.1fr) repeat(2,minmax(0,.95fr))}
}
@media (max-width: 1024px){
  .hero-inner,
  .cta-grid,
  .footer-inner{
    grid-template-columns:1fr;
  }
  .summary-strip,
  .dual-grid{
    grid-template-columns:repeat(2,minmax(0,1fr));
  }
  .matrix-grid{
    grid-template-columns:repeat(2,minmax(0,1fr));
  }
  .matrix-card.featured{
    grid-row:auto;
    min-height:auto;
  }
}
@media (max-width: 768px){
  .topbar-inner{
    min-height:auto;
    flex-direction:column;
    align-items:flex-start;
  }
  .topbar-tools{
    width:100%;
    justify-content:flex-start;
  }
  .channelbar-inner{
    align-items:flex-start;
    flex-direction:column;
  }
  .channel-label{
    padding-top:2px;
  }
  .hero-strip{padding-top:14px}
  .hero-title{font-size:clamp(30px,8vw,42px)}
  .summary-strip,
  .matrix-grid,
  .dual-grid,
  .form-row{
    grid-template-columns:1fr;
  }
  .stat-grid{
    grid-template-columns:1fr 1fr;
  }
  .section-head{
    flex-direction:column;
    align-items:flex-start;
  }
  .section-note{
    white-space:normal;
  }
}
@media (max-width: 520px){
  .container{width:min(calc(100% - 22px), var(--container))}
  .brand-mark{width:40px;height:40px;border-radius:10px}
  .brand-text strong{font-size:16px}
  .tool-pill{padding:8px 10px}
  .hero-panel,
  .cta-panel,
  .stat-board,
  .matrix-card,
  .compare-panel,
  details.faq summary,
  .footer-link{
    border-radius:12px;
  }
  .hero-actions{
    display:grid;
    grid-template-columns:1fr;
  }
  .btn{
    width:100%;
  }
  .hide-on-mobile{display:none}
  .mobile-only{display:inline-flex}
}