:root{
      --bg:#fbf7f7;
      --surface:#ffffff;
      --text:#1f2328;
      --muted:#5a636f;
      --muted2:#7b8696;
      --line:rgba(31,35,40,.12);
      --shadow:0 16px 40px rgba(18,18,20,.08);
      --shadow2:0 10px 26px rgba(18,18,20,.10);
      --red:#c8142b;
      --red2:#ff2a4d;
      --red3:#ff4d6a;
      --focus:rgba(200,20,43,.25);
      --blue:#1e5eff;
      --ok:#0f9d58;
      --radius:18px;
      --radius2:26px;
      --container:1120px;
    }

    *{box-sizing:border-box}
    html{scroll-behavior:smooth}
    body{
      margin:0;
      font-family: ui-sans-serif, system-ui, -apple-system, Segoe UI, Roboto, Helvetica, Arial, "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", "Noto Sans CJK SC", sans-serif;
      background: radial-gradient(1100px 520px at 15% -10%, rgba(200,20,43,.10), transparent 60%),
                  radial-gradient(900px 420px at 85% 0%, rgba(255,77,106,.10), transparent 62%),
                  var(--bg);
      color:var(--text);
      line-height:1.5;
    }
    .skip-link{
      position:absolute;left:-999px;top:auto;width:1px;height:1px;overflow:hidden;
    }
    .skip-link:focus{
      left:16px;top:16px;width:auto;height:auto;z-index:10000;
      background:var(--surface);padding:10px 12px;border:1px solid var(--line);border-radius:12px;
      box-shadow:var(--shadow2);
    }

    .container{max-width:var(--container);margin:0 auto;padding:0 18px}
    @media (max-width: 820px){ .container{padding:0 14px} }

    .topbar{
      position:sticky;top:0;z-index:50;
      backdrop-filter: blur(10px);
      background: rgba(251,247,247,.72);
      border-bottom:1px solid rgba(31,35,40,.08);
    }
    .topbar-inner{
      display:flex;align-items:center;justify-content:space-between;
      gap:14px;padding:12px 0;
    }

    .brand{display:flex;align-items:center;gap:12px;min-width:260px}
    .brand-link{display:flex;align-items:center;gap:10px;text-decoration:none;color:inherit}
    .ai-page-logo{width:40px;height:auto;display:block}
    .brand-meta{display:flex;flex-direction:column;gap:2px}
    .brand-name{font-weight:860;letter-spacing:.2px}
    .brand-sub{font-size:12px;color:var(--muted)}

    .nav{display:flex;align-items:center;gap:12px}
    .nav-toggle{
      display:none;
      align-items:center;gap:10px;
      padding:10px 12px;border-radius:14px;
      border:1px solid rgba(31,35,40,.12);
      background: rgba(255,255,255,.65);
      box-shadow:0 10px 25px rgba(18,18,20,.06);
      cursor:pointer;
      color:var(--text);
      transition:transform .2s ease, box-shadow .2s ease, border-color .2s ease;
    }
    .nav-toggle:active{transform: translateY(1px)}
    .nav-toggle-lines{
      width:18px;height:12px;display:inline-block;
      background: linear-gradient(to bottom, var(--text) 0 0) left top/100% 2px no-repeat,
                  linear-gradient(to bottom, var(--text) 0 0) left center/100% 2px no-repeat,
                  linear-gradient(to bottom, var(--text) 0 0) left bottom/100% 2px no-repeat;
      border-radius:2px;
      opacity:.9;
    }
    .nav-toggle-text{font-weight:700;font-size:13px}
    .nav-panel{
      display:flex;align-items:center;gap:14px;flex-wrap:wrap;justify-content:flex-end;
    }
    .nav-link{
      color:var(--muted);
      text-decoration:none;font-size:13px;font-weight:650;
      padding:8px 10px;border-radius:12px;
      transition: background .2s ease, color .2s ease, transform .2s ease;
      white-space:nowrap;
    }
    .nav-link:hover{
      background: rgba(200,20,43,.08);
      color:var(--text);
      transform: translateY(-1px);
    }
    .nav-link-highlight{
      color: #fff;
      background: linear-gradient(135deg, var(--red), #ff3b5b);
      box-shadow: 0 14px 30px rgba(200,20,43,.20);
    }
    .nav-link-highlight:hover{
      color:#fff;background: linear-gradient(135deg, #b80f25, #ff2a4d);
      transform: translateY(-1px);
    }

    .top-cta{display:flex;align-items:center;justify-content:flex-end;min-width:160px}
    .btn{
      display:inline-flex;align-items:center;justify-content:center;gap:10px;
      padding:12px 16px;border-radius:14px;
      border:1px solid rgba(31,35,40,.14);
      background:#fff;color:var(--text);
      cursor:pointer;text-decoration:none;
      font-weight:800;letter-spacing:.2px;
      transition: transform .2s ease, box-shadow .2s ease, border-color .2s ease, background .2s ease;
      box-shadow: 0 10px 20px rgba(18,18,20,.06);
      white-space:nowrap;
    }
    .btn:active{transform: translateY(1px)}
    .btn-primary{
      background: linear-gradient(135deg, var(--red), #ff2a4d);
      border-color: rgba(255,255,255,.18);
      color:#fff;
      box-shadow: 0 18px 40px rgba(200,20,43,.25);
    }
    .btn-primary:hover{box-shadow: 0 22px 55px rgba(200,20,43,.28)}
    .btn-strong{
      background: linear-gradient(135deg, #b80f25, #ff2a4d);
      color:#fff;
      border-color: rgba(255,255,255,.18);
      box-shadow: 0 18px 40px rgba(200,20,43,.25);
    }
    .btn-strong:hover{box-shadow: 0 22px 55px rgba(200,20,43,.30); transform: translateY(-1px)}
    .btn-outline{
      background: rgba(255,255,255,.72);
      border-color: rgba(200,20,43,.22);
      box-shadow: 0 12px 28px rgba(200,20,43,.10);
    }
    .btn-outline:hover{
      transform: translateY(-1px);
      border-color: rgba(200,20,43,.32);
      box-shadow: 0 18px 40px rgba(200,20,43,.14);
    }
    .btn-block{width:100%}
    .btn-small{padding:10px 12px;border-radius:12px;font-size:13px}
    .to-top{
      position:fixed;right:16px;bottom:16px;
      width:44px;height:44px;border-radius:16px;
      border:1px solid rgba(31,35,40,.12);
      background: rgba(255,255,255,.78);
      color:var(--text);
      cursor:pointer;
      box-shadow: 0 16px 34px rgba(18,18,20,.10);
      opacity:0;pointer-events:none;
      transform: translateY(8px);
      transition: opacity .2s ease, transform .2s ease, background .2s ease;
      font-weight:900;
    }
    .to-top.show{
      opacity:1;pointer-events:auto;
      transform: translateY(0);
    }
    .to-top:hover{background: rgba(255,255,255,.92)}

    @media (max-width: 980px){
      .nav-panel{display:none}
      .nav-toggle{display:inline-flex}
      .nav-panel.open{
        display:flex;
        position:absolute;left:0;right:0;top:100%;
        background: rgba(251,247,247,.92);
        backdrop-filter: blur(12px);
        border-bottom:1px solid rgba(31,35,40,.10);
        padding:14px 18px;
        flex-direction:column;align-items:flex-start;gap:10px;
      }
      .topbar-inner{position:relative}
      .top-cta{min-width:auto}
      .brand{min-width:auto}
      .brand-sub{display:none}
    }

    .hero{
      position:relative;
      padding:54px 0 22px;
      overflow:hidden;
    }
    .hero-bg{position:absolute;inset:-220px -120px auto -120px;height:760px;pointer-events:none;z-index:0}
    .bg-grad{
      position:absolute;inset:0;
      background: radial-gradient(700px 400px at 20% 10%, rgba(200,20,43,.18), transparent 62%),
                  radial-gradient(620px 360px at 80% 20%, rgba(255,77,106,.16), transparent 62%),
                  radial-gradient(520px 320px at 60% 60%, rgba(30,94,255,.08), transparent 65%);
      filter:saturate(1.1);
    }
    .bg-grid{
      position:absolute;inset:0;
      background-image: linear-gradient(to right, rgba(31,35,40,.06) 1px, transparent 1px),
                        linear-gradient(to bottom, rgba(31,35,40,.06) 1px, transparent 1px);
      background-size: 44px 44px;
      mask-image: radial-gradient(circle at 30% 30%, rgba(0,0,0,1), transparent 62%);
      opacity:.55;
      transform: translateZ(0);
    }
    .bg-orbit{
      position:absolute;border-radius:999px;border:1px solid rgba(200,20,43,.28);
      width:560px;height:560px;
      left:55%;top:20%;
      transform: translate(-50%,-50%);
      opacity:.55;
      animation: orbit 18s linear infinite;
    }
    .orbit-1{border-color: rgba(200,20,43,.22); width:620px;height:620px; opacity:.35}
    .orbit-2{border-color: rgba(255,77,106,.18); width:480px;height:480px; left:20%; top:30%; opacity:.35; animation-duration:22s}
    @keyframes orbit{ from{transform: translate(-50%,-50%) rotate(0deg)} to{transform: translate(-50%,-50%) rotate(360deg)} }

    .hero-inner{
      position:relative;z-index:1;
      display:grid;grid-template-columns: 1.08fr .92fr;gap:26px;align-items:start;
    }
    @media (max-width: 980px){
      .hero-inner{grid-template-columns:1fr;gap:16px}
    }

    .hero-left{padding:6px 0}
    .pill-row{display:flex;flex-wrap:wrap;gap:10px;margin-bottom:14px}
    .pill{
      font-size:12px;font-weight:800;
      padding:8px 10px;border-radius:999px;
      border:1px solid rgba(31,35,40,.12);
      background: rgba(255,255,255,.7);
      color:var(--text);
      box-shadow: 0 12px 26px rgba(18,18,20,.06);
    }
    .pill-red{border-color: rgba(200,20,43,.22); background: rgba(200,20,43,.08); color: #a50f23}
    .pill-signal{border-color: rgba(30,94,255,.18); background: rgba(30,94,255,.07); color:#1a4fe8}
    .pill-ghost{border-color: rgba(31,35,40,.10); background: rgba(255,255,255,.65); color: var(--muted)}
    .hero-title{
      margin:0 0 12px;
      font-size:40px;line-height:1.15;
      letter-spacing:-.6px;
      font-weight:930;
    }
    @media (max-width: 520px){ .hero-title{font-size:30px} }

    .hero-desc{
      margin:0 0 18px;
      color:var(--muted);
      font-size:15px;
      max-width:58ch;
    }

    .hero-actions{display:flex;gap:12px;flex-wrap:wrap;margin-bottom:16px}
    .hero-mini{
      display:grid;grid-template-columns: repeat(3, minmax(0,1fr));gap:12px;
      margin-top:10px;
    }
    @media (max-width: 680px){ .hero-mini{grid-template-columns:1fr;gap:10px} }

    .mini-item{
      padding:14px 14px;border-radius:16px;
      border:1px solid rgba(31,35,40,.10);
      background: rgba(255,255,255,.66);
      box-shadow: 0 14px 30px rgba(18,18,20,.06);
      transition: transform .2s ease, box-shadow .2s ease, border-color .2s ease;
    }
    .mini-item:hover{
      transform: translateY(-2px);
      border-color: rgba(200,20,43,.18);
      box-shadow: 0 20px 45px rgba(200,20,43,.12);
    }
    .mini-k{font-size:12px;font-weight:900;color:#a50f23;margin-bottom:6px}
    .mini-v{font-size:13px;color:var(--text);font-weight:760}

    .hero-right{display:flex;flex-direction:column;gap:12px}
    .hero-card{
      background: rgba(255,255,255,.74);
      border:1px solid rgba(31,35,40,.10);
      border-radius: var(--radius2);
      box-shadow: var(--shadow);
      padding:16px;
      position:relative;
      overflow:hidden;
      transform: translateZ(0);
    }
    .deck-card{padding:18px}
    .deck-card:before{
      content:"";
      position:absolute;inset:-1px;
      background: radial-gradient(620px 260px at 20% 0%, rgba(200,20,43,.20), transparent 60%),
                  radial-gradient(420px 220px at 95% 10%, rgba(255,77,106,.16), transparent 56%);
      opacity:.7;
      pointer-events:none;
    }
    .deck-top{position:relative;z-index:1}
    .deck-title{font-weight:940;letter-spacing:-.2px;font-size:16px}
    .deck-sub{color:var(--muted);font-weight:730;margin-top:4px;font-size:13px}

    .metrics{
      position:relative;z-index:1;
      display:grid;grid-template-columns: repeat(2, minmax(0,1fr));
      gap:12px;margin-top:14px;
    }
    .metric{
      padding:12px 12px;border-radius:16px;
      border:1px solid rgba(31,35,40,.10);
      background: rgba(255,255,255,.58);
      transition: transform .2s ease, box-shadow .2s ease;
    }
    .metric:hover{transform: translateY(-2px); box-shadow: 0 18px 45px rgba(18,18,20,.10)}
    .metric-num{font-weight:950;font-size:20px;letter-spacing:-.4px}
    .metric-num .count{display:inline-block}
    .metric-label{margin-top:6px;color:var(--muted);font-weight:700;font-size:12.5px}

    .deck-badges{
      position:relative;z-index:1;
      display:flex;flex-wrap:wrap;gap:8px;margin-top:14px;
    }
    .tag{
      display:inline-flex;align-items:center;
      padding:7px 10px;border-radius:999px;
      border:1px solid rgba(31,35,40,.10);
      background: rgba(255,255,255,.70);
      font-size:12px;font-weight:820;color:var(--text);
    }
    .tag-soft{
      border-color: rgba(200,20,43,.14);
      background: rgba(200,20,43,.06);
      color:#a50f23;
    }
    .deck-foot{
      position:relative;z-index:1;
      margin-top:14px;
      display:flex;align-items:center;gap:10px;flex-wrap:wrap;
      color:var(--muted);
      font-weight:740;
      font-size:13px;
    }
    .link-cta{text-decoration:none;color:#a50f23;font-weight:900}
    .dot{opacity:.4}

    .subtle-card{padding:16px}
    .subtle-row{display:flex;gap:12px;align-items:flex-start}
    .subtle-title{font-weight:940}
    .subtle-desc{color:var(--muted);font-weight:720;font-size:13px;margin-top:4px}
    .icon-badge{
      width:40px;height:40px;border-radius:14px;
      border:1px solid rgba(200,20,43,.18);
      background: rgba(200,20,43,.07);
      display:flex;align-items:center;justify-content:center;
      color: #a50f23;
      flex: 0 0 auto;
      box-shadow: 0 14px 32px rgba(200,20,43,.14);
    }
    .subtle-divider{height:1px;background: rgba(31,35,40,.10);margin:14px 0}

    .hero-strip{
      padding:14px 0 4px;
      position:relative;z-index:1;
    }
    .strip-inner{
      display:flex;flex-wrap:wrap;gap:10px;justify-content:center;
      padding:12px;
      border-radius: 999px;
      border: 1px solid rgba(31,35,40,.10);
      background: rgba(255,255,255,.62);
      box-shadow: 0 18px 55px rgba(18,18,20,.06);
    }
    .strip-link{
      text-decoration:none;
      padding:8px 12px;border-radius:999px;
      font-weight:880;font-size:13px;
      color:var(--muted);
      transition: background .2s ease, transform .2s ease, color .2s ease;
    }
    .strip-link:hover{transform: translateY(-2px); background: rgba(200,20,43,.08); color: var(--text)}
    .strip-link-hot{
      color:#fff;background: linear-gradient(135deg, var(--red), #ff2a4d);
      box-shadow: 0 16px 40px rgba(200,20,43,.25);
    }

    .section{padding:48px 0}
    .section-spot{padding-top:44px}
    .section-soft{background: linear-gradient(180deg, rgba(255,255,255,.18), rgba(255,255,255,.60)); border-top:1px solid rgba(31,35,40,.06); border-bottom:1px solid rgba(31,35,40,.06)}
    .section-grad{
      background: radial-gradient(900px 420px at 20% 0%, rgba(200,20,43,.14), transparent 60%),
                  radial-gradient(900px 420px at 80% 10%, rgba(255,77,106,.12), transparent 60%),
                  rgba(255,255,255,.32);
      border-top:1px solid rgba(31,35,40,.06);
      border-bottom:1px solid rgba(31,35,40,.06);
    }
    .section-grad2{
      background: radial-gradient(880px 420px at 20% 0%, rgba(200,20,43,.18), transparent 58%),
                  radial-gradient(840px 420px at 90% 20%, rgba(30,94,255,.10), transparent 60%),
                  rgba(255,255,255,.35);
      border-top:1px solid rgba(31,35,40,.06);
      border-bottom:1px solid rgba(31,35,40,.06);
    }

    .section-head{margin-bottom:22px}
    .h2{
      margin:0;
      font-size:28px;
      font-weight:950;
      letter-spacing:-.3px;
    }
    .lead{
      margin:10px 0 0;
      color:var(--muted);
      font-weight:720;
      max-width:78ch;
      font-size:14.5px;
    }

    .two-col{
      display:grid;grid-template-columns: 1.05fr .95fr;gap:16px;align-items:start;
    }
    @media (max-width: 980px){ .two-col{grid-template-columns:1fr} }

    .panel{
      background: rgba(255,255,255,.74);
      border:1px solid rgba(31,35,40,.10);
      border-radius: var(--radius2);
      box-shadow: var(--shadow);
      padding:16px;
    }
    .panel-hot{
      background: linear-gradient(180deg, rgba(200,20,43,.06), rgba(255,255,255,.72));
      border-color: rgba(200,20,43,.18);
    }

    .panel-title{font-weight:950;font-size:16px;margin-bottom:12px}
    .panel-body{color:var(--muted);font-weight:720}
    .bullet-grid{display:flex;flex-direction:column;gap:14px}
    .bullet{display:flex;gap:12px;align-items:flex-start}
    .bullet-icon{
      width:38px;height:38px;border-radius:14px;
      background: rgba(200,20,43,.07);
      border:1px solid rgba(200,20,43,.18);
      color:#a50f23;
      display:flex;align-items:center;justify-content:center;
      flex:0 0 auto;
      box-shadow: 0 14px 30px rgba(200,20,43,.12);
    }
    .bullet-title{font-weight:950;color:var(--text);margin-bottom:4px}
    .bullet-desc{color:var(--muted);font-weight:720;font-size:13px}

    .callout{
      margin-top:12px;
      border-radius: 18px;
      border:1px solid rgba(31,35,40,.10);
      background: rgba(255,255,255,.60);
      padding:14px;
      box-shadow: 0 12px 26px rgba(18,18,20,.06);
    }
    .callout-title{font-weight:950}
    .callout-desc{margin-top:6px;color:var(--muted);font-weight:720}

    .ability-list{display:flex;flex-direction:column;gap:12px}
    .ability{
      padding:14px;border-radius:18px;
      border:1px solid rgba(31,35,40,.10);
      background: rgba(255,255,255,.62);
      transition: transform .2s ease, box-shadow .2s ease, border-color .2s ease;
    }
    .ability:hover{transform: translateY(-2px);border-color: rgba(200,20,43,.18);box-shadow: 0 18px 45px rgba(18,18,20,.10)}
    .ability-head{display:flex;align-items:center;gap:10px;margin-bottom:6px}
    .ability-icon{
      width:40px;height:40px;border-radius:16px;
      border:1px solid rgba(200,20,43,.18);
      background: rgba(200,20,43,.07);
      color:#a50f23;
      display:flex;align-items:center;justify-content:center;
      flex:0 0 auto;
    }
    .ability-title{font-weight:950}
    .ability-desc{color:var(--muted);font-weight:720;font-size:13px}

    .panel-actions{margin-top:14px}
    .mini-note{margin-top:10px;color:var(--muted2);font-weight:700;font-size:12.5px}

    .cards-3{
      display:grid;grid-template-columns: repeat(3, minmax(0,1fr));gap:14px;
    }
    @media (max-width: 980px){ .cards-3{grid-template-columns:1fr} }

    .card{
      background: rgba(255,255,255,.74);
      border:1px solid rgba(31,35,40,.10);
      border-radius: var(--radius2);
      box-shadow: var(--shadow);
      padding:16px;
      transition: transform .2s ease, box-shadow .2s ease, border-color .2s ease;
      position:relative;overflow:hidden;
    }
    .card:before{
      content:"";
      position:absolute;inset:-1px;
      background: radial-gradient(520px 220px at 15% 0%, rgba(200,20,43,.15), transparent 55%),
                  radial-gradient(460px 180px at 90% 20%, rgba(255,77,106,.12), transparent 55%);
      opacity:.55;pointer-events:none;
    }
    .card > *{position:relative;z-index:1}
    .card:hover{
      transform: translateY(-3px);
      border-color: rgba(200,20,43,.18);
      box-shadow: 0 22px 60px rgba(200,20,43,.12);
    }
    .card-top{display:flex;align-items:center;gap:12px;margin-bottom:10px}
    .card-icon{
      width:44px;height:44px;border-radius:18px;
      border:1px solid rgba(200,20,43,.20);
      background: rgba(200,20,43,.07);
      display:flex;align-items:center;justify-content:center;
      color:#a50f23;
      box-shadow: 0 16px 40px rgba(200,20,43,.12);
      flex:0 0 auto;
    }
    .h3{margin:0;font-size:16px;font-weight:960}
    .card-desc{margin:0;color:var(--muted);font-weight:720;font-size:13.5px;min-height:46px}
    .card-foot{margin-top:14px;display:flex;align-items:center;gap:12px;flex-wrap:wrap}
    .sep{width:1px;height:14px;background: rgba(31,35,40,.10)}
    .text-link{
      color:#a50f23;text-decoration:none;font-weight:900;
      transition: opacity .2s ease, transform .2s ease;
    }
    .text-link:hover{transform: translateY(-1px);opacity:.95}

    .model-wall{margin-top:18px}
    .model-title{font-weight:950;margin-bottom:10px}
    .tag-cloud{display:flex;flex-wrap:wrap;gap:8px}
    .model-note{margin-top:10px;color:var(--muted2);font-weight:700;font-size:12.5px}

    .timeline-grid{
      display:grid;grid-template-columns: repeat(4, minmax(0,1fr));gap:12px;
    }
    @media (max-width: 980px){ .timeline-grid{grid-template-columns:1fr;gap:10px} }
    .timeline-item{position:relative}
    .timeline-item:before{
      content:"";position:absolute;left:18px;top:34px;bottom:-14px;width:2px;
      background: linear-gradient(180deg, rgba(200,20,43,.40), rgba(200,20,43,.06));
      opacity:.65;
    }
    @media (min-width:981px){
      .timeline-item:before{left:50%;transform: translateX(-50%);top:58px;bottom:auto;right:auto; display:none}
    }
    .t-dot{width:14px;height:14px;border-radius:999px;background: rgba(200,20,43,.85);box-shadow:0 12px 28px rgba(200,20,43,.30);margin:2px auto 10px}
    @media (min-width:981px){ .timeline-item .t-dot{margin:2px 0 10px} .timeline-item:before{display:none} }
    .t-card{
      padding:14px;border-radius:20px;
      border:1px solid rgba(31,35,40,.10);
      background: rgba(255,255,255,.68);
      box-shadow: 0 14px 30px rgba(18,18,20,.05);
      transition: transform .2s ease, box-shadow .2s ease, border-color .2s ease;
    }
    .timeline-item:hover .t-card{transform: translateY(-2px);border-color: rgba(200,20,43,.18);box-shadow: 0 22px 55px rgba(18,18,20,.10)}
    .t-title{font-weight:960;margin-bottom:6px}
    .t-desc{color:var(--muted);font-weight:720;font-size:13.3px}

    .cta-row{
      margin-top:16px;
      display:flex;align-items:center;justify-content:space-between;gap:14px;
      padding:16px;border-radius: var(--radius2);
      border:1px solid rgba(31,35,40,.10);
      background: rgba(255,255,255,.70);
      box-shadow: 0 16px 40px rgba(18,18,20,.06);
    }
    @media (max-width: 980px){ .cta-row{flex-direction:column;align-items:flex-start} }
    .cta-title{font-weight:980;font-size:16px}
    .cta-desc{color:var(--muted);font-weight:720;margin-top:6px}
    .cta-right{display:flex;gap:10px;flex-wrap:wrap}

    .grid-2{display:grid;grid-template-columns: 1.08fr .92fr;gap:14px;align-items:start}
    @media (max-width:980px){ .grid-2{grid-template-columns:1fr} }

    .list-panel{
      background: rgba(255,255,255,.74);
      border:1px solid rgba(31,35,40,.10);
      border-radius: var(--radius2);
      box-shadow: var(--shadow);
      padding:16px;
    }
    .list-panel-head{margin-bottom:10px}
    .list-panel-title{font-weight:960}
    .list-panel-sub{color:var(--muted);font-weight:720;margin-top:6px;font-size:13px}

    .chip-list{display:flex;flex-wrap:wrap;gap:10px}
    .chip{
      cursor:pointer;border-radius:999px;
      border:1px solid rgba(31,35,40,.12);
      background: rgba(255,255,255,.70);
      padding:10px 12px;
      font-weight:900;
      font-size:13px;color:var(--muted);
      transition: transform .2s ease, border-color .2s ease, background .2s ease, color .2s ease;
      user-select:none;
    }
    .chip:hover{transform: translateY(-2px);border-color: rgba(200,20,43,.22);color:var(--text)}
    .chip[aria-pressed="true"]{
      color:#fff;border-color: rgba(255,255,255,.18);
      background: linear-gradient(135deg, var(--red), #ff2a4d);
      box-shadow: 0 18px 45px rgba(200,20,43,.25);
    }

    .chip-detail{
      margin-top:12px;
      padding:14px;border-radius:22px;
      border:1px solid rgba(31,35,40,.10);
      background: linear-gradient(180deg, rgba(200,20,43,.06), rgba(255,255,255,.70));
      box-shadow: 0 14px 30px rgba(18,18,20,.06);
    }
    .chip-detail-title{font-weight:980;margin-bottom:6px}
    .chip-detail-desc{color:var(--muted);font-weight:720;font-size:13.5px}
    .chip-detail-tags{margin-top:10px;display:flex;flex-wrap:wrap;gap:8px}

    .list-panel-foot{margin-top:12px}
    .small-muted{margin-top:10px;color:var(--muted2);font-weight:700;font-size:12.5px}

    .side-cards{display:flex;flex-direction:column;gap:12px}
    .side-card{
      background: rgba(255,255,255,.74);
      border:1px solid rgba(31,35,40,.10);
      border-radius: var(--radius2);
      box-shadow: var(--shadow);
      padding:16px;
      transition: transform .2s ease, box-shadow .2s ease, border-color .2s ease;
    }
    .side-card:hover{transform: translateY(-3px);border-color: rgba(200,20,43,.18);box-shadow: 0 22px 60px rgba(200,20,43,.12)}
    .side-card-head{display:flex;align-items:baseline;gap:10px;margin-bottom:8px}
    .side-card-kicker{
      font-size:12px;font-weight:950;
      color:#a50f23;
      background: rgba(200,20,43,.08);
      border:1px solid rgba(200,20,43,.18);
      padding:6px 10px;border-radius:999px;
    }
    .side-card-title{font-weight:980;font-size:16px}
    .side-card-desc{color:var(--muted);font-weight:720;font-size:13.5px}
    .side-card-actions{margin-top:12px}

    .net-grid{display:grid;grid-template-columns: repeat(4, minmax(0,1fr));gap:12px}
    @media (max-width:980px){ .net-grid{grid-template-columns:1fr 1fr} }
    @media (max-width:560px){ .net-grid{grid-template-columns:1fr} }

    .net-card{
      padding:16px;border-radius: var(--radius2);
      border:1px solid rgba(31,35,40,.10);
      background: rgba(255,255,255,.72);
      box-shadow: 0 14px 30px rgba(18,18,20,.06);
      transition: transform .2s ease, box-shadow .2s ease, border-color .2s ease;
    }
    .net-card:hover{transform: translateY(-3px);border-color: rgba(200,20,43,.18);box-shadow: 0 22px 60px rgba(18,18,20,.10)}
    .net-title{font-weight:980;margin-bottom:8px}
    .net-desc{color:var(--muted);font-weight:720;font-size:13.5px}
    .net-foot{margin-top:14px}

    .network-footnote{
      margin-top:14px;display:flex;gap:10px;align-items:flex-start;
      padding:12px 14px;border-radius:18px;
      border:1px solid rgba(31,35,40,.10);
      background: rgba(255,255,255,.62);
      box-shadow: 0 14px 30px rgba(18,18,20,.05);
    }
    .note-dot{
      width:12px;height:12px;border-radius:999px;background: rgba(200,20,43,.85);
      box-shadow:0 12px 30px rgba(200,20,43,.30);margin-top:4px;
    }
    .note-text{color:var(--muted);font-weight:740;font-size:13px}

    .steps{display:grid;grid-template-columns: repeat(5, minmax(0,1fr));gap:12px}
    @media (max-width:980px){ .steps{grid-template-columns:1fr;gap:10px} }
    .step{
      padding:16px;border-radius: var(--radius2);
      border:1px solid rgba(31,35,40,.10);
      background: rgba(255,255,255,.72);
      box-shadow: 0 14px 30px rgba(18,18,20,.06);
      transition: transform .2s ease, border-color .2s ease, box-shadow .2s ease;
    }
    .step:hover{transform: translateY(-3px);border-color: rgba(200,20,43,.18);box-shadow: 0 22px 60px rgba(200,20,43,.12)}
    .step-num{
      width:44px;height:44px;border-radius:16px;
      display:flex;align-items:center;justify-content:center;
      background: rgba(200,20,43,.10);
      border:1px solid rgba(200,20,43,.18);
      color:#a50f23;
      font-weight:980;margin-bottom:10px;
      box-shadow: 0 14px 35px rgba(200,20,43,.12);
    }
    .step-title{font-weight:980;margin-bottom:6px}
    .step-desc{color:var(--muted);font-weight:720;font-size:13.3px}

    .compare-strip{
      margin-top:14px;
      border-radius: var(--radius2);
      border:1px solid rgba(31,35,40,.10);
      background: linear-gradient(135deg, rgba(200,20,43,.08), rgba(255,255,255,.75));
      box-shadow: 0 16px 40px rgba(18,18,20,.06);
      padding:16px;
    }
    .compare-strip-inner{
      display:flex;align-items:center;justify-content:space-between;gap:14px;flex-wrap:wrap;
    }
    .compare-strip-title{font-weight:980}
    .compare-strip-desc{color:var(--muted);font-weight:720;margin-top:6px}
    .compare-strip-right{display:flex;gap:10px;flex-wrap:wrap}

    .case-grid{display:grid;grid-template-columns: repeat(4, minmax(0,1fr));gap:12px}
    @media (max-width:980px){ .case-grid{grid-template-columns:1fr 1fr} }
    @media (max-width:560px){ .case-grid{grid-template-columns:1fr} }

    .case-card{
      border-radius: var(--radius2);
      border:1px solid rgba(31,35,40,.10);
      background: rgba(255,255,255,.72);
      box-shadow: 0 14px 30px rgba(18,18,20,.06);
      padding:16px;
      transition: transform .2s ease, box-shadow .2s ease, border-color .2s ease;
      display:flex;flex-direction:column;
      min-height:200px;
    }
    .case-card:hover{transform: translateY(-3px);border-color: rgba(200,20,43,.18);box-shadow: 0 22px 60px rgba(18,18,20,.10)}
    .case-top{margin-bottom:12px}
    .case-badge{
      display:inline-flex;align-items:center;
      padding:7px 10px;border-radius:999px;
      background: rgba(200,20,43,.07);
      border:1px solid rgba(200,20,43,.18);
      color:#a50f23;font-weight:950;font-size:12.5px;
      margin-bottom:10px;
    }
    .case-badge-red{
      background: rgba(255,77,106,.10);
      border-color: rgba(255,77,106,.22);
      color:#a50f23;
    }
    .case-title{font-weight:980;letter-spacing:-.2px}
    .case-body{flex:1}
    .case-line{margin-top:8px;color:var(--muted);font-weight:720;font-size:13px}
    .case-k{color:var(--text);font-weight:900}
    .case-foot{margin-top:12px}

    .cases-row-cta{
      margin-top:14px;
      border-radius: var(--radius2);
      border:1px solid rgba(31,35,40,.10);
      background: rgba(255,255,255,.70);
      box-shadow: 0 16px 40px rgba(18,18,20,.06);
      padding:16px;
      display:flex;align-items:center;justify-content:space-between;gap:14px;flex-wrap:wrap;
    }
    .cases-row-title{font-weight:980}
    .cases-row-desc{color:var(--muted);font-weight:720;margin-top:6px}
    .cases-row-right{display:flex;gap:10px;flex-wrap:wrap}

    .review-top{display:grid;grid-template-columns: 1.1fr .9fr;gap:12px;align-items:start}
    @media (max-width:980px){ .review-top{grid-template-columns:1fr} }
    .stars-card{
      border-radius: var(--radius2);
      border:1px solid rgba(31,35,40,.10);
      background: linear-gradient(135deg, rgba(200,20,43,.10), rgba(255,255,255,.76));
      box-shadow: 0 16px 40px rgba(18,18,20,.06);
      padding:16px;
    }
    .stars-row{display:flex;align-items:center;justify-content:space-between;gap:14px;flex-wrap:wrap}
    .stars-kicker{color:var(--muted);font-weight:800}
    .stars-value{font-weight:980;font-size:22px;color:#a50f23;margin-top:6px}
    .score-wrap{
      border-radius: 22px;
      padding:12px 14px;
      border:1px solid rgba(200,20,43,.18);
      background: rgba(200,20,43,.08);
      box-shadow: 0 16px 40px rgba(200,20,43,.14);
      text-align:right;
    }
    .score-num{font-weight:1000;font-size:26px;letter-spacing:-.4px;color:#a50f23}
    .score-sub{color:var(--muted);font-weight:900;font-size:13px;margin-top:2px}
    .stars-note{margin-top:10px;color:var(--muted);font-weight:720;font-size:13.2px}

    .compare-mini{
      border-radius: var(--radius2);
      border:1px solid rgba(31,35,40,.10);
      background: rgba(255,255,255,.74);
      box-shadow: 0 14px 30px rgba(18,18,20,.06);
      padding:16px;
    }
    .compare-mini-title{font-weight:980;margin-bottom:10px}
    .compare-mini-list{display:flex;flex-direction:column;gap:10px}
    .mini-bullet{color:var(--muted);font-weight:760}
    .mini-check{color:#a50f23;font-weight:1000;margin-right:8px}

    .compare-table-wrap{
      margin-top:14px;
      border-radius: var(--radius2);
      border:1px solid rgba(31,35,40,.10);
      background: rgba(255,255,255,.74);
      box-shadow: 0 16px 40px rgba(18,18,20,.06);
      padding:16px;
    }
    .compare-table-head{display:flex;align-items:flex-start;justify-content:space-between;gap:14px;flex-wrap:wrap;margin-bottom:12px}
    .compare-table-title{font-weight:980;font-size:16px}
    .compare-table-sub{margin-top:6px;color:var(--muted);font-weight:720;font-size:13px}
    .table-scroll{overflow:auto;border-radius:18px;border:1px solid rgba(31,35,40,.08)}
    .compare-table{width:100%;border-collapse:collapse;min-width:860px;background:#fff}
    .compare-table th, .compare-table td{padding:14px 12px;border-bottom:1px solid rgba(31,35,40,.08);vertical-align:top}
    .compare-table th{
      text-align:left;color:var(--text);font-weight:1000;background: linear-gradient(180deg, rgba(200,20,43,.08), rgba(255,255,255,.92));
      position:sticky;top:0;z-index:1;
    }
    .compare-table td{color:var(--muted);font-weight:740}
    .badge{
      display:inline-flex;align-items:center;justify-content:center;
      padding:6px 10px;border-radius:999px;font-weight:980;font-size:12.5px;border:1px solid rgba(31,35,40,.12);
      background: rgba(255,255,255,.74);color:var(--text);
    }
    .badge-good{
      border-color: rgba(15,157,88,.25);
      background: rgba(15,157,88,.08);
      color:#0f7a44;
    }

    .compare-action-row{
      margin-top:14px;
      border-radius: var(--radius2);
      border:1px solid rgba(31,35,40,.10);
      background: linear-gradient(135deg, rgba(200,20,43,.10), rgba(255,255,255,.76));
      box-shadow: 0 16px 40px rgba(18,18,20,.06);
      padding:16px;
      display:flex;align-items:center;justify-content:space-between;gap:14px;flex-wrap:wrap;
    }
    .compare-action-title{font-weight:980}
    .compare-action-desc{color:var(--muted);font-weight:720;margin-top:6px}
    .compare-action-right{display:flex;gap:10px;flex-wrap:wrap}

    .match-grid{
      display:grid;grid-template-columns: 1.02fr .98fr;gap:14px;align-items:start;
    }
    @media (max-width:980px){ .match-grid{grid-template-columns:1fr} }

    .match-form-card, .match-side .info-card, .match-side .contact-card{
      border-radius: var(--radius2);
      border:1px solid rgba(31,35,40,.10);
      background: rgba(255,255,255,.74);
      box-shadow: var(--shadow);
      padding:16px;
    }
    .match-side{display:flex;flex-direction:column;gap:12px}
    .form-head{margin-bottom:12px}
    .form-title{font-weight:1000;font-size:16px}
    .form-sub{color:var(--muted);font-weight:720;margin-top:6px;font-size:13px}

    .form{display:flex;flex-direction:column;gap:12px}
    .form-row{display:grid;grid-template-columns: 1fr 1fr;gap:12px}
    @media (max-width:560px){ .form-row{grid-template-columns:1fr} }
    .field{display:flex;flex-direction:column;gap:8px}
    .label{font-weight:900;color:var(--text);font-size:13px}
    input, select, textarea{
      width:100%;
      border-radius:16px;
      border:1px solid rgba(31,35,40,.14);
      background: rgba(255,255,255,.85);
      padding:12px 12px;
      font-size:14px;
      color:var(--text);
      outline:none;
      transition: box-shadow .2s ease, border-color .2s ease, transform .2s ease;
    }
    textarea{resize:vertical;min-height:120px}
    input:focus, select:focus, textarea:focus{
      border-color: rgba(200,20,43,.35);
      box-shadow: 0 0 0 4px var(--focus);
    }

    .form-actions{display:flex;align-items:center;justify-content:space-between;gap:12px;flex-wrap:wrap;margin-top:2px}
    .form-privacy{color:var(--muted2);font-weight:720;font-size:12.5px;max-width:52ch}
    .form-link-row{display:flex;align-items:center;gap:12px;flex-wrap:wrap;margin-top:2px}

    .info-card .info-title{font-weight:1000;font-size:16px;margin-bottom:8px}
    .info-card .info-desc{color:var(--muted);font-weight:720;font-size:13.6px;margin-bottom:12px}
    .step-mini{display:flex;flex-direction:column;gap:10px;margin:12px 0}
    .step-mini-item{display:flex;gap:12px;align-items:flex-start}
    .step-mini-num{
      width:30px;height:30px;border-radius:12px;
      display:flex;align-items:center;justify-content:center;
      font-weight:1000;color:#a50f23;
      background: rgba(200,20,43,.08);
      border:1px solid rgba(200,20,43,.18);
      flex:0 0 auto;
    }
    .step-mini-text{color:var(--text);font-weight:850}
    .info-tags{display:flex;flex-wrap:wrap;gap:8px;margin-top:12px}

    .contact-card{padding:16px}
    .contact-head{margin-bottom:10px}
    .contact-title{font-weight:1000}
    .contact-sub{color:var(--muted);font-weight:720;margin-top:6px;font-size:13px}
    .contact-lines{display:flex;flex-direction:column;gap:10px;margin-top:10px}
    .contact-line{display:flex;justify-content:space-between;gap:12px;border:1px solid rgba(31,35,40,.08);padding:10px 12px;border-radius:16px;background: rgba(255,255,255,.68)}
    .contact-k{color:var(--muted2);font-weight:860}
    .contact-v{font-weight:950;color:var(--text)}
    .contact-qrcode{margin-top:12px;display:grid;grid-template-columns: 96px 1fr;gap:12px;align-items:center}
    .qrcode-wrap{
      width:96px;height:96px;border-radius:22px;border:1px solid rgba(31,35,40,.10);
      background: rgba(255,255,255,.76);
      display:flex;align-items:center;justify-content:center;
      overflow:hidden;
      box-shadow: 0 16px 40px rgba(18,18,20,.06);
    }
    .contact-qrcode img{width:100%;height:auto;display:block}
    .qrcode-text{color:var(--muted);font-weight:750;font-size:13px}

    .pricing-grid{display:grid;grid-template-columns: repeat(3, minmax(0,1fr));gap:12px}
    @media (max-width:980px){ .pricing-grid{grid-template-columns:1fr} }
    .price-card{
      border-radius: var(--radius2);
      border:1px solid rgba(31,35,40,.10);
      background: rgba(255,255,255,.74);
      box-shadow: var(--shadow);
      padding:16px;
      transition: transform .2s ease, box-shadow .2s ease, border-color .2s ease;
      position:relative;overflow:hidden;
    }
    .price-card:hover{transform: translateY(-3px);border-color: rgba(200,20,43,.18);box-shadow: 0 22px 60px rgba(18,18,20,.10)}
    .price-card-hot{
      border-color: rgba(200,20,43,.24);
      background: linear-gradient(180deg, rgba(200,20,43,.08), rgba(255,255,255,.76));
    }
    .price-head{display:flex;align-items:baseline;justify-content:space-between;gap:12px}
    .price-name{font-weight:1000;font-size:16px}
    .price-tag{
      font-size:12px;font-weight:1000;
      border:1px solid rgba(200,20,43,.20);
      background: rgba(200,20,43,.08);
      color:#a50f23;padding:6px 10px;border-radius:999px;
    }
    .price-value{margin-top:10px;color:var(--muted);font-weight:900}
    .price-feats{margin:12px 0 0;padding-left:18px;color:var(--muted);font-weight:740}
    .price-feats li{margin:8px 0}
    .price-actions{margin-top:14px}
    .price-pick{transition: transform .2s ease}
    .price-pick:active{transform: translateY(1px)}
    .price-note-card{
      margin-top:14px;
      border-radius: var(--radius2);
      border:1px solid rgba(31,35,40,.10);
      background: rgba(255,255,255,.70);
      box-shadow: 0 16px 40px rgba(18,18,20,.06);
      padding:16px;
    }
    .price-note-title{font-weight:1000;margin-bottom:8px}
    .price-note-desc{color:var(--muted);font-weight:720;font-size:13.6px}
    .price-note-actions{margin-top:14px;display:flex;gap:10px;flex-wrap:wrap}

    .training-grid{display:grid;grid-template-columns: 1.05fr .95fr;gap:14px;align-items:start}
    @media (max-width:980px){ .training-grid{grid-template-columns:1fr} }
    .train-card{
      border-radius: var(--radius2);
      border:1px solid rgba(31,35,40,.10);
      background: rgba(255,255,255,.74);
      box-shadow: var(--shadow);
      padding:16px;
    }
    .train-title{font-weight:1000;font-size:16px}
    .train-desc{margin-top:8px;color:var(--muted);font-weight:720;font-size:13.6px;margin-bottom:12px}
    .train-list{display:flex;flex-direction:column;gap:10px}
    .train-item{
      padding:12px 12px;border-radius:18px;
      border:1px solid rgba(31,35,40,.08);
      background: rgba(255,255,255,.68);
      color:var(--text);font-weight:900;
      transition: transform .2s ease, border-color .2s ease;
    }
    .train-item:hover{transform: translateY(-2px);border-color: rgba(200,20,43,.18)}
    .train-badges{display:flex;flex-wrap:wrap;gap:8px;margin-top:14px}
    .train-actions{margin-top:14px}

    .train-graph-card{
      margin-top:12px;
      border-radius: var(--radius2);
      border:1px solid rgba(31,35,40,.10);
      background: rgba(255,255,255,.70);
      box-shadow: 0 16px 40px rgba(18,18,20,.06);
      padding:16px;
    }
    .train-graph-title{font-weight:1000}
    .train-graph-desc{margin-top:8px;color:var(--muted);font-weight:720;font-size:13.6px}
    .mini-grid-3{display:grid;grid-template-columns: repeat(3, minmax(0,1fr));gap:12px;margin-top:14px}
    @media (max-width:560px){ .mini-grid-3{grid-template-columns:1fr} }
    .mini-stat{
      padding:14px;border-radius:20px;
      border:1px solid rgba(31,35,40,.10);
      background: rgba(255,255,255,.74);
      box-shadow: 0 14px 30px rgba(18,18,20,.05);
    }
    .mini-stat-k{color:#a50f23;font-weight:1000}
    .mini-stat-v{margin-top:6px;font-weight:950}

    .reviewers, .training-right-cta{
      border-radius: var(--radius2);
      border:1px solid rgba(31,35,40,.10);
      background: rgba(255,255,255,.74);
      box-shadow: var(--shadow);
      padding:16px;
    }
    .reviewers-head{margin-bottom:12px}
    .reviewers-title{font-weight:1000;font-size:16px}
    .reviewers-sub{margin-top:6px;color:var(--muted);font-weight:720;font-size:13px}
    .review-list{display:grid;grid-template-columns: 1fr;gap:12px}
    .quote-card{
      border-radius: 22px;
      border:1px solid rgba(31,35,40,.10);
      background: rgba(255,255,255,.70);
      padding:14px;
      box-shadow: 0 14px 30px rgba(18,18,20,.05);
      transition: transform .2s ease, box-shadow .2s ease, border-color .2s ease;
    }
    .quote-card:hover{transform: translateY(-2px);border-color: rgba(200,20,43,.18);box-shadow: 0 22px 60px rgba(18,18,20,.10)}
    .quote-top{display:flex;align-items:flex-start;justify-content:space-between;gap:12px}
    .avatar{
      width:42px;height:42px;border-radius:18px;
      border:1px solid rgba(200,20,43,.18);
      background: rgba(200,20,43,.08);
      color:#a50f23;font-weight:1000;
      display:flex;align-items:center;justify-content:center;
      flex:0 0 auto;
      box-shadow: 0 14px 30px rgba(200,20,43,.12);
    }
    .quote-name{font-weight:1000}
    .quote-meta{color:var(--muted);font-weight:800;font-size:12.6px;margin-top:4px}
    .quote-stars{color:#a50f23;letter-spacing:1px;font-weight:1000}
    .quote-text{margin-top:10px;color:var(--muted);font-weight:740;font-size:13.6px}

    .training-right-cta{margin-top:12px}
    .training-right-cta-title{font-weight:1000;font-size:16px}
    .training-right-cta-desc{margin-top:8px;color:var(--muted);font-weight:720}
    .training-right-cta .btn{margin-top:14px}

    .help-grid{display:grid;grid-template-columns: .7fr 1fr .7fr;gap:12px;align-items:start}
    @media (max-width:980px){ .help-grid{grid-template-columns:1fr} }
    .help-card{
      border-radius: var(--radius2);
      border:1px solid rgba(31,35,40,.10);
      background: rgba(255,255,255,.74);
      box-shadow: var(--shadow);
      padding:16px;
    }
    .help-card-hot{
      background: linear-gradient(135deg, rgba(200,20,43,.10), rgba(255,255,255,.78));
      border-color: rgba(200,20,43,.18);
    }
    .help-title{font-weight:1000;font-size:16px;margin-bottom:10px}
    .help-desc{color:var(--muted);font-weight:720;font-size:13.6px;line-height:1.6}
    .help-links{display:flex;flex-direction:column;gap:10px}
    .help-link{
      text-decoration:none;color:#a50f23;font-weight:950;
      border:1px solid rgba(200,20,43,.16);
      background: rgba(200,20,43,.06);
      border-radius:18px;padding:12px 12px;
      transition: transform .2s ease, background .2s ease, border-color .2s ease;
    }
    .help-link:hover{transform: translateY(-2px);background: rgba(200,20,43,.09);border-color: rgba(200,20,43,.22)}
    .help-ul{margin:10px 0 0;padding-left:18px;color:var(--muted);font-weight:740}
    .help-ul li{margin:10px 0}

    .platform-list{margin-top:12px;display:flex;flex-direction:column;gap:10px}
    .platform-item{color:var(--text);font-weight:880}
    .platform-check{color:#a50f23;font-weight:1000;margin-right:8px}

    .faq-accordion{display:flex;flex-direction:column;gap:10px}
    .faq{
      border-radius: var(--radius2);
      border:1px solid rgba(31,35,40,.10);
      background: rgba(255,255,255,.74);
      box-shadow: 0 14px 30px rgba(18,18,20,.05);
      padding:0 12px;
      overflow:hidden;
      transition: transform .2s ease, border-color .2s ease, box-shadow .2s ease;
    }
    .faq[open]{border-color: rgba(200,20,43,.18); box-shadow: 0 22px 60px rgba(18,18,20,.10)}
    .faq-summary{
      list-style:none;
      cursor:pointer;
      padding:14px 8px;
      display:flex;align-items:center;justify-content:space-between;gap:12px;
      font-weight:980;
      user-select:none;
    }
    .faq-summary::-webkit-details-marker{display:none}
    .faq-icon{
      width:28px;height:28px;border-radius:12px;
      border:1px solid rgba(31,35,40,.10);
      background: rgba(255,255,255,.70);
      position:relative;flex:0 0 auto;
      transition: transform .2s ease, border-color .2s ease, background .2s ease;
    }
    .faq-icon:before, .faq-icon:after{
      content:"";position:absolute;left:50%;top:50%;
      background: rgba(31,35,40,.62);
      transform: translate(-50%,-50%);
      border-radius:2px;
    }
    .faq-icon:before{width:14px;height:2px}
    .faq-icon:after{width:2px;height:14px;transition: transform .2s ease}
    .faq[open] .faq-icon:after{transform: translate(-50%,-50%) rotate(90deg)}
    .faq-body{
      padding:0 8px 14px;
      color:var(--muted);
      font-weight:740;
      font-size:13.8px;
    }
    details.faq > summary:focus{
      outline:none;
    }
    details.faq > summary:focus-visible{
      box-shadow: 0 0 0 4px var(--focus);
      border-radius: 14px;
    }

    .wiki-grid{
      display:grid;grid-template-columns: repeat(3, minmax(0,1fr));gap:12px;
    }
    @media (max-width:980px){ .wiki-grid{grid-template-columns:1fr} }
    .wiki-card{
      border-radius: var(--radius2);
      border:1px solid rgba(31,35,40,.10);
      background: rgba(255,255,255,.74);
      box-shadow: var(--shadow);
      padding:16px;
      transition: transform .2s ease, border-color .2s ease, box-shadow .2s ease;
    }
    .wiki-card:hover{transform: translateY(-3px);border-color: rgba(200,20,43,.18);box-shadow: 0 22px 60px rgba(18,18,20,.10)}
    .wiki-top{display:flex;align-items:center;gap:10px;margin-bottom:10px}
    .wiki-icon{
      width:40px;height:40px;border-radius:16px;
      border:1px solid rgba(200,20,43,.18);
      background: rgba(200,20,43,.08);
      color:#a50f23;font-weight:1000;
      display:flex;align-items:center;justify-content:center;
      box-shadow: 0 16px 40px rgba(200,20,43,.12);
      flex:0 0 auto;
    }
    .wiki-title{font-weight:1000;font-size:16px}
    .wiki-desc{color:var(--muted);font-weight:720;font-size:13.6px;line-height:1.6}

    .wiki-bottom-row{
      margin-top:14px;
      border-radius: var(--radius2);
      border:1px solid rgba(31,35,40,.10);
      background: rgba(255,255,255,.70);
      box-shadow: 0 16px 40px rgba(18,18,20,.06);
      padding:16px;
      display:flex;align-items:center;justify-content:space-between;gap:14px;flex-wrap:wrap;
    }
    .wiki-bottom-title{font-weight:1000}
    .wiki-bottom-desc{margin-top:6px;color:var(--muted);font-weight:720}
    .wiki-bottom-right{display:flex;gap:10px;flex-wrap:wrap}

    .article-grid{display:grid;grid-template-columns: repeat(3, minmax(0,1fr));gap:12px}
    @media (max-width:980px){ .article-grid{grid-template-columns:1fr} }
    .article-card{
      border-radius: var(--radius2);
      border:1px solid rgba(31,35,40,.10);
      background: rgba(255,255,255,.74);
      box-shadow: var(--shadow);
      padding:16px;
      transition: transform .2s ease, box-shadow .2s ease, border-color .2s ease;
    }
    .article-card:hover{transform: translateY(-3px);border-color: rgba(200,20,43,.18);box-shadow: 0 22px 60px rgba(18,18,20,.10)}
    .article-top{display:flex;flex-direction:column;gap:10px}
    .article-badge{
      align-self:flex-start;
      font-size:12px;font-weight:1000;
      color:#a50f23;
      background: rgba(200,20,43,.08);
      border:1px solid rgba(200,20,43,.18);
      padding:7px 10px;border-radius:999px;
    }
    .article-title{font-weight:1000;font-size:16px;letter-spacing:-.2px}
    .article-desc{margin-top:10px;color:var(--muted);font-weight:720;font-size:13.6px;line-height:1.7}
    .article-foot{margin-top:12px}

    .latest-list-card{
      margin-top:14px;
      border-radius: var(--radius2);
      border:1px solid rgba(31,35,40,.10);
      background: rgba(255,255,255,.74);
      box-shadow: 0 16px 40px rgba(18,18,20,.06);
      padding:16px;
    }
    .latest-head{display:flex;align-items:flex-start;justify-content:space-between;gap:14px;flex-wrap:wrap;margin-bottom:12px}
    .latest-title{font-weight:1000;font-size:16px}
    .latest-sub{margin-top:6px;color:var(--muted);font-weight:720;font-size:13px}
    .latest-links{display:flex;flex-wrap:wrap;gap:10px}
    .latest-link{
      text-decoration:none;
      border-radius:999px;
      border:1px solid rgba(31,35,40,.12);
      background: rgba(255,255,255,.70);
      padding:10px 12px;
      color:var(--muted);
      font-weight:920;
      transition: transform .2s ease, border-color .2s ease, background .2s ease;
    }
    .latest-link:hover{transform: translateY(-2px);border-color: rgba(200,20,43,.22);background: rgba(200,20,43,.07);color:var(--text)}
    .latest-note{margin-top:10px;color:var(--muted2);font-weight:720;font-size:12.5px}

    .contact-grid{display:grid;grid-template-columns: .92fr 1.08fr;gap:14px;align-items:start}
    @media (max-width:980px){ .contact-grid{grid-template-columns:1fr} }
    .contact-left-card, .contact-right-card{
      border-radius: var(--radius2);
      border:1px solid rgba(31,35,40,.10);
      background: rgba(255,255,255,.74);
      box-shadow: var(--shadow);
      padding:16px;
    }
    .contact-left-title{font-weight:1000;font-size:16px;margin-bottom:8px}
    .contact-left-desc{color:var(--muted);font-weight:720}
    .contact-methods{display:flex;flex-direction:column;gap:10px;margin-top:14px}
    .method{
      border-radius:18px;border:1px solid rgba(31,35,40,.08);
      background: rgba(255,255,255,.68);
      padding:12px;
      display:flex;justify-content:space-between;gap:12px;
    }
    .method-k{color:var(--muted2);font-weight:860}
    .method-v{font-weight:1000;color:var(--text)}

    .contact-quick{margin-top:14px;padding:14px;border-radius:22px;border:1px solid rgba(31,35,40,.10);background: rgba(255,255,255,.68)}
    .quick-title{font-weight:1000;margin-bottom:10px}
    .quick-qrcode{
      width:140px;height:140px;border-radius:28px;
      border:1px solid rgba(31,35,40,.10);
      background: rgba(255,255,255,.76);
      box-shadow: 0 16px 40px rgba(18,18,20,.06);
      overflow:hidden;
      margin-bottom:10px;
      display:flex;align-items:center;justify-content:center;
    }
    .quick-qrcode img{width:100%;height:auto;display:block}
    .quick-desc{color:var(--muted);font-weight:720;font-size:13.4px;line-height:1.6}

    .form-actions .btn{flex:0 0 auto}
    .form-actions{align-items:flex-start}

    .partner-grid{display:grid;grid-template-columns: 1.08fr .92fr;gap:14px;align-items:start}
    @media (max-width:980px){ .partner-grid{grid-template-columns:1fr} }
    .partner-main{display:flex;flex-direction:column;gap:12px}
    .partner-card, .partner-case{
      border-radius: var(--radius2);
      border:1px solid rgba(31,35,40,.10);
      background: rgba(255,255,255,.74);
      box-shadow: var(--shadow);
      padding:16px;
    }
    .partner-title{font-weight:1000;font-size:16px}
    .partner-desc{margin-top:8px;color:var(--muted);font-weight:720;font-size:13.6px;line-height:1.7}
    .partner-list{margin-top:12px;display:flex;flex-direction:column;gap:10px}
    .partner-item{color:var(--text);font-weight:900}
    .platform-check{display:inline-block}

    .partner-action-row{margin-top:14px;display:flex;gap:10px;flex-wrap:wrap}
    .partner-case-title{font-weight:1000}
    .partner-case-desc{margin-top:8px;color:var(--muted);font-weight:720;font-size:13.6px;line-height:1.7;margin-bottom:14px}
    .partner-type-grid{display:grid;grid-template-columns: repeat(2, minmax(0,1fr));gap:12px}
    @media (max-width:560px){ .partner-type-grid{grid-template-columns:1fr} }
    .ptype{
      border-radius:22px;border:1px solid rgba(31,35,40,.10);
      background: rgba(255,255,255,.70);
      padding:14px;box-shadow: 0 14px 30px rgba(18,18,20,.05);
    }
    .ptype-icon{
      width:40px;height:40px;border-radius:16px;
      display:flex;align-items:center;justify-content:center;
      border:1px solid rgba(200,20,43,.18);
      background: rgba(200,20,43,.08);
      color:#a50f23;font-weight:1000;box-shadow: 0 16px 40px rgba(200,20,43,.12);
      margin-bottom:10px;
    }
    .ptype-title{font-weight:980}

    .partner-aside{display:flex;flex-direction:column;gap:12px}
    .aside-card{
      border-radius: var(--radius2);
      border:1px solid rgba(31,35,40,.10);
      background: rgba(255,255,255,.74);
      box-shadow: var(--shadow);
      padding:16px;
    }
    .aside-title{font-weight:1000;font-size:16px;margin-bottom:10px}
    .aside-desc{color:var(--muted);font-weight:720;font-size:13.6px;line-height:1.7}
    .aside-bullets{margin-top:12px;display:flex;flex-direction:column;gap:10px;color:var(--muted);font-weight:750}
    .aside-links .friend-links{margin-top:10px;display:flex;flex-direction:column;gap:10px}
    .friend-link{
      text-decoration:none;color:#a50f23;font-weight:980;
      border:1px solid rgba(200,20,43,.16);
      background: rgba(200,20,43,.06);
      border-radius:18px;padding:12px 12px;
      transition: transform .2s ease, background .2s ease, border-color .2s ease;
    }
    .friend-link:hover{transform: translateY(-2px);background: rgba(200,20,43,.09);border-color: rgba(200,20,43,.22)}

    .footer{
      background: #14161a;
      color:#e8eaee;
      border-top:1px solid rgba(255,255,255,.08);
      padding:34px 0 26px;
    }
    .footer-inner{max-width:var(--container);margin:0 auto;padding:0 18px}
    @media (max-width: 820px){ .footer-inner{padding:0 14px} }
    .footer-top{
      display:flex;align-items:flex-start;justify-content:space-between;gap:18px;flex-wrap:wrap;
      margin-bottom:18px;
    }
    .footer-brand{display:flex;gap:12px;align-items:flex-start}
    .footer-logo-row .ai-page-logo{width:44px}
    .footer-title{font-weight:1000}
    .footer-sub{color: rgba(232,234,238,.78);font-weight:720;margin-top:6px;font-size:13px}
    .footer-cols{display:grid;grid-template-columns: repeat(3, minmax(0,1fr));gap:14px;min-width:520px}
    @media (max-width:980px){ .footer-cols{grid-template-columns:1fr;min-width:auto} }
    .footer-col{
      border:1px solid rgba(255,255,255,.08);
      background: rgba(255,255,255,.03);
      border-radius:22px;
      padding:14px;
    }
    .footer-col-title{font-weight:1000;margin-bottom:12px}
    .footer-link{
      display:block;text-decoration:none;color: rgba(232,234,238,.86);
      font-weight:850;margin-top:10px;
      transition: transform .2s ease, color .2s ease;
    }
    .footer-link:first-of-type{margin-top:0}
    .footer-link:hover{transform: translateY(-1px);color:#fff}

    .footer-line{display:flex;justify-content:space-between;gap:12px;margin-top:10px;color: rgba(232,234,238,.86);font-weight:820}
    .footer-k{color: rgba(232,234,238,.66)}
    .footer-v{color:#fff}
    .footer-bottom{
      display:flex;justify-content:space-between;align-items:center;gap:12px;flex-wrap:wrap;
      border-top: 1px solid rgba(255,255,255,.08);
      padding-top:14px;
    }
    .copy{color: rgba(232,234,238,.76);font-weight:740;font-size:13px}
    .footer-mini-links{display:flex;align-items:center;gap:10px;flex-wrap:wrap}
    .footer-mini-link{color: rgba(232,234,238,.86);text-decoration:none;font-weight:900}
    .footer-mini-link:hover{color:#fff}
    .footer-mini-sep{opacity:.45}

    .float-biz{
      position:fixed;left:16px;bottom:16px;z-index:60;
    }
    @media (max-width: 520px){
      .float-biz{left:12px;bottom:12px}
      .to-top{right:12px;bottom:12px}
    }
    .float-btn{
      display:flex;align-items:center;gap:10px;
      padding:12px 14px;border-radius:18px;
      border:1px solid rgba(31,35,40,.12);
      background: rgba(255,255,255,.82);
      box-shadow: 0 18px 45px rgba(18,18,20,.14);
      text-decoration:none;color:var(--text);
      font-weight:980;
      transition: transform .2s ease, background .2s ease, box-shadow .2s ease;
    }
    .float-btn:hover{transform: translateY(-2px);background: rgba(255,255,255,.95);box-shadow: 0 22px 60px rgba(18,18,20,.18)}
    .float-icon{color:#a50f23}
    .float-text{font-size:13.5px}

    .reveal{
      opacity:0;transform: translateY(10px);
      transition: opacity .6s ease, transform .6s ease;
    }
    .reveal.in{
      opacity:1;transform: translateY(0);
    }

    @media (prefers-reduced-motion: reduce){
      html{scroll-behavior:auto}
      .bg-orbit{animation:none}
      .reveal{transition:none}
    }