:root{
      --bg:#120815;
      --bg2:#1a1024;
      --panel:#1a1327;
      --panel2:#221934;
      --card:#f7f2fb;
      --card2:#fff9ff;
      --text:#1b1620;
      --muted:#5d5767;
      --light:#faf7fd;
      --line:rgba(255,255,255,.10);
      --brand:#ff4fd8;
      --brand2:#9d5cff;
      --brand3:#46d6ff;
      --accent:#ffd45b;
      --shadow:0 18px 50px rgba(8,4,16,.26);
      --shadow2:0 8px 24px rgba(255,79,216,.18);
      --radius:22px;
      --container:1180px;
    }
    *{box-sizing:border-box}
    html{scroll-behavior:smooth}
    body{
      margin:0;
      font-family:system-ui,-apple-system,BlinkMacSystemFont,"PingFang SC","Microsoft YaHei",sans-serif;
      color:#f7f3fb;
      background:
        radial-gradient(circle at 12% 12%, rgba(255,79,216,.20), transparent 28%),
        radial-gradient(circle at 88% 18%, rgba(70,214,255,.16), transparent 24%),
        radial-gradient(circle at 50% 0%, rgba(157,92,255,.20), transparent 30%),
        linear-gradient(180deg, #0d0714 0%, #120815 38%, #13091b 100%);
      overflow-x:hidden;
    }
    a{color:inherit;text-decoration:none}
    img{display:block;max-width:100%}
    .container{width:min(100% - 32px, var(--container)); margin:0 auto}
    header{
      position:sticky;top:0;z-index:50;
      backdrop-filter:blur(18px);
      background:rgba(14,8,20,.72);
      border-bottom:1px solid rgba(255,255,255,.08);
    }
    .nav{
      display:flex;align-items:center;justify-content:space-between;gap:16px;
      padding:14px 0;
    }
    .brand{display:flex;align-items:center;gap:12px;min-width:0}
    .brand img{width:40px;height:40px;border-radius:12px;object-fit:cover;background:#fff;padding:4px;box-shadow:0 8px 20px rgba(0,0,0,.25)}
    .brand strong{display:block;font-size:1rem;line-height:1.1}
    .brand span{display:block;font-size:.78rem;color:rgba(255,255,255,.70);margin-top:2px}
    .nav-actions{display:flex;align-items:center;gap:10px;flex-wrap:wrap;justify-content:flex-end}
    .nav-links{display:flex;align-items:center;gap:14px;flex-wrap:wrap}
    .nav-links a{font-size:.92rem;color:rgba(255,255,255,.84);padding:8px 10px;border-radius:999px;transition:.25s}
    .nav-links a:hover{background:rgba(255,255,255,.08);color:#fff}
    .menu-btn{
      display:none;border:1px solid rgba(255,255,255,.12);background:rgba(255,255,255,.05);
      color:#fff;border-radius:12px;padding:10px 12px;cursor:pointer
    }
    .cta{
      display:inline-flex;align-items:center;justify-content:center;gap:8px;
      padding:11px 16px;border-radius:999px;border:1px solid transparent;
      font-weight:700;transition:.25s;white-space:nowrap;cursor:pointer
    }
    .cta.primary{background:linear-gradient(135deg,var(--brand) 0%,var(--brand2) 100%); color:#fff; box-shadow:var(--shadow2)}
    .cta.secondary{background:rgba(255,255,255,.06);color:#fff;border-color:rgba(255,255,255,.10)}
    .cta:hover{transform:translateY(-2px);filter:saturate(1.08)}
    .hero{
      position:relative;padding:56px 0 28px;
    }
    .hero-grid{
      display:grid;grid-template-columns:1.15fr .85fr;gap:24px;align-items:stretch
    }
    .hero-copy{
      padding:30px;background:linear-gradient(180deg, rgba(255,255,255,.06), rgba(255,255,255,.03));
      border:1px solid rgba(255,255,255,.10);border-radius:30px;box-shadow:var(--shadow);
      position:relative;overflow:hidden
    }
    .hero-copy:before{
      content:"";position:absolute;inset:auto -10% -28% auto;width:260px;height:260px;border-radius:50%;
      background:radial-gradient(circle, rgba(255,79,216,.28), transparent 70%);filter:blur(12px)
    }
    .eyebrow{display:inline-flex;align-items:center;gap:8px;padding:8px 12px;border-radius:999px;
      background:rgba(255,255,255,.08);border:1px solid rgba(255,255,255,.10);font-size:.88rem;color:#f7d9ff}
    h1{margin:18px 0 14px;font-size:clamp(2rem, 4.6vw, 4.15rem);line-height:1.08;letter-spacing:-.02em}
    .hero p{margin:0;color:rgba(255,255,255,.82);font-size:1.03rem;line-height:1.8;max-width:62ch}
    .hero-actions{display:flex;flex-wrap:wrap;gap:12px;margin-top:22px}
    .hero-stats{
      display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:14px;margin-top:22px
    }
    .stat{
      background:rgba(255,255,255,.06);border:1px solid rgba(255,255,255,.10);border-radius:22px;
      padding:18px;min-height:112px
    }
    .stat b{display:block;font-size:1.55rem;color:#fff}
    .stat span{display:block;margin-top:8px;color:rgba(255,255,255,.78);line-height:1.6;font-size:.92rem}
    .hero-side{
      display:grid;gap:14px
    }
    .side-card{
      background:linear-gradient(180deg, rgba(255,255,255,.97), rgba(252,246,255,.94));
      color:var(--text);border-radius:28px;padding:22px;border:1px solid rgba(255,255,255,.5);box-shadow:var(--shadow)
    }
    .side-card h2,.section-title h2{margin:0}
    .mini-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:12px;margin-top:14px}
    .mini{
      background:linear-gradient(180deg,#fff,#f8f1ff);border:1px solid rgba(157,92,255,.15);border-radius:18px;padding:14px
    }
    .mini strong{display:block;font-size:1rem;color:#20152b}
    .mini p{margin:6px 0 0;color:var(--muted);font-size:.9rem;line-height:1.6}
    .section{
      padding:22px 0 0
    }
    .section-title{
      display:flex;align-items:flex-end;justify-content:space-between;gap:18px;margin-bottom:16px
    }
    .section-title p{margin:0;color:rgba(255,255,255,.72);max-width:72ch;line-height:1.7}
    .section-title h2{font-size:clamp(1.55rem,2.8vw,2.35rem)}
    .light-section{
      background:linear-gradient(180deg, rgba(255,255,255,.96), rgba(247,242,251,.98));
      color:var(--text);
      margin-top:28px;padding:28px 0;border-top:1px solid rgba(255,255,255,.1);
    }
    .light-section .section-title p{color:var(--muted)}
    .grid-3{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:16px}
    .grid-4{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:16px}
    .card{
      background:linear-gradient(180deg,#fff 0%, #f8f2ff 100%);
      color:var(--text);border-radius:24px;padding:20px;border:1px solid rgba(157,92,255,.14);box-shadow:0 12px 28px rgba(34,18,50,.08);
      transition:.28s ease;position:relative;overflow:hidden
    }
    .card:hover{transform:translateY(-4px);box-shadow:0 18px 34px rgba(34,18,50,.12)}
    .card.dark{
      background:linear-gradient(180deg, rgba(255,255,255,.08), rgba(255,255,255,.04));
      color:#fff;border-color:rgba(255,255,255,.10)
    }
    .card h3{margin:0 0 10px;font-size:1.05rem}
    .card p{margin:0;color:var(--muted);line-height:1.75;font-size:.95rem}
    .card.dark p{color:rgba(255,255,255,.76)}
    .chip-row{display:flex;flex-wrap:wrap;gap:8px;margin-top:14px}
    .chip{
      padding:7px 10px;border-radius:999px;background:rgba(255,79,216,.10);color:#6b1f58;border:1px solid rgba(255,79,216,.12);
      font-size:.84rem
    }
    .timeline{display:grid;gap:14px}
    .step{
      display:grid;grid-template-columns:auto 1fr;gap:14px;align-items:flex-start;
      background:linear-gradient(180deg,#fff,#faf6ff);border:1px solid rgba(157,92,255,.14);border-radius:22px;padding:18px
    }
    .step .num{
      width:42px;height:42px;border-radius:14px;display:grid;place-items:center;
      background:linear-gradient(135deg,var(--brand),var(--brand2));color:#fff;font-weight:800
    }
    .step b{display:block;margin-bottom:6px}
    .table-wrap{overflow-x:auto;border-radius:24px;border:1px solid rgba(157,92,255,.16);box-shadow:0 10px 30px rgba(32,15,49,.08)}
    table{width:100%;border-collapse:collapse;min-width:860px;background:#fff;color:var(--text)}
    th,td{padding:16px 14px;border-bottom:1px solid #ece4f5;text-align:left;vertical-align:top}
    th{background:linear-gradient(180deg,#251737,#1a1128);color:#fff;font-weight:700}
    tr:nth-child(even) td{background:#fcf9ff}
    .compare-badge{
      display:inline-flex;padding:6px 10px;border-radius:999px;background:rgba(255,212,91,.18);color:#7d5a00;font-weight:700
    }
    details{
      background:linear-gradient(180deg,#fff,#f8f2ff);border:1px solid rgba(157,92,255,.14);border-radius:18px;padding:0 18px;box-shadow:0 10px 24px rgba(32,15,49,.06)
    }
    details+details{margin-top:12px}
    summary{list-style:none;cursor:pointer;padding:16px 0;font-weight:700;color:var(--text)}
    summary::-webkit-details-marker{display:none}
    details p{padding:0 0 18px;margin:0;color:var(--muted);line-height:1.8}
    .review{
      display:flex;flex-direction:column;gap:12px
    }
    .review .meta{display:flex;justify-content:space-between;gap:10px;align-items:center;color:#fff}
    .stars{color:#ffd45b;font-size:1.02rem;letter-spacing:.08em}
    .review .who{font-weight:800}
    .review p{color:rgba(255,255,255,.82);line-height:1.8;margin:0}
    .tags{
      display:flex;flex-wrap:wrap;gap:10px
    }
    .tag{
      padding:9px 12px;border-radius:999px;background:rgba(255,255,255,.08);border:1px solid rgba(255,255,255,.10);color:#fff
    }
    .form{
      display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:14px
    }
    .field{display:flex;flex-direction:column;gap:8px}
    .field.full{grid-column:1 / -1}
    label{font-size:.93rem;color:var(--text);font-weight:700}
    input,select,textarea{
      width:100%;border-radius:16px;border:1px solid rgba(157,92,255,.18);padding:13px 14px;
      font:inherit;background:#fff;color:var(--text);outline:none;transition:.2s
    }
    textarea{min-height:130px;resize:vertical}
    input:focus,select:focus,textarea:focus{border-color:rgba(255,79,216,.55);box-shadow:0 0 0 4px rgba(255,79,216,.08)}
    .form-actions{display:flex;flex-wrap:wrap;gap:12px;align-items:center}
    .note{font-size:.9rem;color:var(--muted);line-height:1.7}
    .footer{
      padding:20px 0 28px;color:#e9ddf7
    }
    .footer-top{
      display:grid;grid-template-columns:1.1fr .9fr;gap:16px;align-items:start
    }
    .footer-panel{
      background:rgba(255,255,255,.05);border:1px solid rgba(255,255,255,.10);border-radius:24px;padding:20px
    }
    .footer-links{display:flex;flex-wrap:wrap;gap:10px}
    .footer-links a,.ai-page-home-link{display:inline-flex;align-items:center;gap:6px}
    .footer-links a{padding:9px 11px;border-radius:999px;background:rgba(255,255,255,.06);border:1px solid rgba(255,255,255,.08);color:#fff}
    .copyright{margin-top:16px;color:rgba(255,255,255,.72);font-size:.9rem}
    .float-bar{
      position:fixed;right:16px;bottom:16px;z-index:60;display:grid;gap:10px
    }
    .float-bar a,.float-bar button{
      width:52px;height:52px;border-radius:18px;border:none;cursor:pointer;
      display:grid;place-items:center;background:linear-gradient(135deg,var(--brand),var(--brand2));color:#fff;
      box-shadow:0 12px 26px rgba(255,79,216,.28)
    }
    .float-bar .small{background:rgba(255,255,255,.10);border:1px solid rgba(255,255,255,.12)}
    .badge-row{display:flex;flex-wrap:wrap;gap:10px;margin-top:14px}
    .badge{padding:8px 11px;border-radius:999px;background:rgba(70,214,255,.12);color:#bfefff;border:1px solid rgba(70,214,255,.16);font-size:.84rem}
    .scroll-reveal{opacity:0;transform:translateY(16px);transition:.65s ease}
    .scroll-reveal.in-view{opacity:1;transform:translateY(0)}
    @media (max-width: 980px){
      .hero-grid,.footer-top{grid-template-columns:1fr}
      .grid-4,.grid-3{grid-template-columns:repeat(2,minmax(0,1fr))}
      .section-title{flex-direction:column;align-items:flex-start}
    }
    @media (max-width: 760px){
      .nav-links{display:none;position:absolute;left:16px;right:16px;top:68px;flex-direction:column;align-items:stretch;
        background:rgba(18,8,26,.98);padding:12px;border-radius:18px;border:1px solid rgba(255,255,255,.10);box-shadow:var(--shadow)}
      .nav-links.open{display:flex}
      .menu-btn{display:inline-flex}
      .nav-actions .secondary{display:none}
      .hero{padding-top:26px}
      .hero-copy{padding:22px;border-radius:24px}
      .hero-stats,.grid-3,.grid-4,.form{grid-template-columns:1fr}
      .stat{min-height:auto}
      .mini-grid{grid-template-columns:1fr}
    }