:root {
      --bg: #050505;
      --bg-2: #0b0d12;
      --card: rgba(255,255,255,.06);
      --card-2: rgba(255,255,255,.09);
      --line: rgba(255,255,255,.12);
      --text: #f5f7fb;
      --muted: #a5adba;
      --muted-2: #707887;
      --blue: #60a5fa;
      --cyan: #67e8f9;
      --green: #34d399;
      --radius: 30px;
      --shadow: 0 30px 100px rgba(0,0,0,.45);
    }

    * { box-sizing: border-box; margin: 0; padding: 0; }
    html { scroll-behavior: smooth; }
    body {
      min-height: 100vh;
      background: var(--bg);
      color: var(--text);
      font-family: -apple-system, BlinkMacSystemFont, "SF Pro Display", "Segoe UI", "PingFang SC", "Microsoft YaHei", sans-serif;
      line-height: 1.6;
      overflow-x: hidden;
    }
    a { color: inherit; text-decoration: none; }
    .container { width: min(1200px, calc(100% - 40px)); margin: 0 auto; }
    .site-header {
      position: fixed; inset: 0 0 auto 0; height: 68px; z-index: 99;
      background: rgba(5,5,5,.68); backdrop-filter: blur(22px);
      border-bottom: 1px solid var(--line);
    }
    .header-inner { height: 68px; display: flex; align-items: center; justify-content: space-between; }
    .brand { display: flex; align-items: center; gap: 12px; }
    .brand-logo { width: 38px; height: 38px; border-radius: 13px; display: grid; place-items: center; background: #fff; color: #000; font-weight: 800; }
    .brand-title { font-size: 15px; font-weight: 700; letter-spacing: .02em; }
    .brand-subtitle { font-size: 10px; color: var(--muted-2); letter-spacing: .18em; text-transform: uppercase; }
    .nav { display: flex; align-items: center; gap: 30px; color: #c7ceda; font-size: 14px; }
    .nav a { transition: color .2s ease; }
    .nav a:hover { color: #fff; }
    .header-cta { display: inline-flex; align-items: center; height: 38px; padding: 0 18px; border-radius: 999px; background: #fff; color: #000; font-size: 14px; font-weight: 700; }
    .mobile-menu-btn { display: none; border: 1px solid var(--line); background: var(--card); color: #fff; border-radius: 999px; padding: 8px 12px; }

    .hero { position: relative; min-height: 100vh; display: flex; align-items: center; padding: 120px 0 70px; overflow: hidden; }
    .hero::before {
      content: ""; position: absolute; inset: 0;
      background:
        radial-gradient(circle at 50% 0%, rgba(59,130,246,.35), transparent 32%),
        radial-gradient(circle at 80% 40%, rgba(168,85,247,.20), transparent 28%),
        linear-gradient(180deg, #090a0f 0%, #050505 72%);
    }
    .hero::after { content: ""; position: absolute; left: 50%; top: 120px; width: 720px; height: 420px; transform: translateX(-50%); background: rgba(255,255,255,.11); filter: blur(120px); border-radius: 999px; }
    .hero-grid { position: relative; z-index: 2; display: grid; grid-template-columns: 1.08fr .92fr; gap: 64px; align-items: center; }
    .eyebrow { display: inline-flex; align-items: center; gap: 10px; padding: 9px 14px; border: 1px solid var(--line); border-radius: 999px; background: rgba(255,255,255,.06); color: #d4d9e3; font-size: 14px; margin-bottom: 28px; }
    .dot { width: 8px; height: 8px; background: var(--green); border-radius: 50%; box-shadow: 0 0 18px rgba(52,211,153,.9); }
    h1 { font-size: clamp(48px, 7vw, 92px); line-height: .98; letter-spacing: -.065em; font-weight: 800; }
    .gradient-text { background: linear-gradient(90deg, #fff 0%, #dbeafe 38%, #93c5fd 72%, #67e8f9 100%); -webkit-background-clip: text; background-clip: text; color: transparent; }
    .hero-desc { max-width: 760px; margin-top: 30px; color: #c9d0dc; font-size: clamp(18px, 2vw, 22px); line-height: 1.85; }
    .hero-actions { display: flex; gap: 14px; margin-top: 38px; flex-wrap: wrap; }
    .btn { display: inline-flex; align-items: center; justify-content: center; gap: 10px; min-height: 50px; padding: 0 24px; border-radius: 999px; font-weight: 700; transition: transform .2s ease, background .2s ease, border-color .2s ease; }
    .btn:hover { transform: translateY(-2px); }
    .btn-primary { background: #fff; color: #000; }
    .btn-secondary { background: rgba(255,255,255,.06); border: 1px solid var(--line); color: #fff; }
    .hero-panel { position: relative; padding: 20px; border-radius: 42px; border: 1px solid var(--line); background: rgba(255,255,255,.07); box-shadow: var(--shadow); backdrop-filter: blur(24px); }
    .panel-inner { border-radius: 32px; border: 1px solid var(--line); background: rgba(0,0,0,.46); padding: 28px; }
    .panel-top { display: flex; justify-content: space-between; gap: 18px; align-items: flex-start; margin-bottom: 26px; }
    .small-label { color: var(--muted-2); font-size: 13px; }
    .panel-title { margin-top: 4px; font-size: 22px; font-weight: 800; }
    .status { border-radius: 999px; background: rgba(52,211,153,.12); color: #86efac; padding: 6px 10px; font-size: 12px; white-space: nowrap; }
    .stats { display: grid; grid-template-columns: repeat(2, 1fr); gap: 14px; }
    .stat { padding: 18px; border-radius: 22px; background: rgba(255,255,255,.055); border: 1px solid rgba(255,255,255,.09); }
    .stat b { display: block; font-size: 29px; letter-spacing: -.04em; margin-top: 6px; }
    .address-card { margin-top: 14px; padding: 18px; border-radius: 22px; background: rgba(255,255,255,.055); border: 1px solid rgba(255,255,255,.09); color: #d9dee8; }

    section { position: relative; padding: 110px 0; }
    .section-head { max-width: 760px; }
    .section-head.center { margin: 0 auto; text-align: center; }
    .kicker { color: var(--blue); text-transform: uppercase; letter-spacing: .28em; font-size: 13px; font-weight: 800; }
    h2 { margin-top: 18px; font-size: clamp(36px, 5vw, 66px); line-height: 1.05; letter-spacing: -.045em; font-weight: 800; }
    .section-desc { margin-top: 24px; color: var(--muted); font-size: 18px; line-height: 1.85; }
    .about-grid { display: grid; grid-template-columns: .9fr 1.1fr; gap: 70px; align-items: end; }
    .value-grid { margin-top: 56px; display: grid; grid-template-columns: repeat(3, 1fr); gap: 20px; }
    .card { border: 1px solid var(--line); background: var(--card); border-radius: var(--radius); padding: 30px; box-shadow: 0 20px 60px rgba(0,0,0,.20); }
    .card h3 { font-size: 25px; line-height: 1.25; letter-spacing: -.02em; margin-top: 12px; }
    .card p { color: var(--muted); margin-top: 16px; }
    .services-grid { margin-top: 58px; display: grid; grid-template-columns: repeat(4, 1fr); gap: 18px; }
    .service-card { min-height: 390px; display: flex; flex-direction: column; transition: transform .25s ease, background .25s ease, border-color .25s ease; }
    .service-card:hover { transform: translateY(-8px); background: var(--card-2); border-color: rgba(255,255,255,.22); }
    .icon { width: 52px; height: 52px; display: grid; place-items: center; border-radius: 18px; background: #fff; color: #000; font-size: 22px; margin-bottom: 26px; }
    .points { margin-top: auto; padding-top: 24px; display: grid; gap: 10px; color: #d7dce5; font-size: 14px; }
    .points span::before { content: "✓"; color: var(--green); margin-right: 8px; }
    .qual-grid { display: grid; grid-template-columns: .78fr 1.22fr; gap: 54px; }
    .qual-cards { display: grid; grid-template-columns: repeat(2, 1fr); gap: 18px; }
    .qual-card strong { display: block; font-size: 20px; margin-top: 10px; }
    .ip-wrap { border-radius: 44px; border: 1px solid var(--line); background: linear-gradient(135deg, rgba(255,255,255,.09), rgba(255,255,255,.035)); padding: 58px; }
    .ip-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 46px; align-items: start; }
    .list-box { display: grid; gap: 14px; margin-top: 26px; }
    .list-box div, .tag { border: 1px solid rgba(255,255,255,.10); background: rgba(0,0,0,.24); border-radius: 18px; padding: 14px 16px; color: #dce2ec; }
    .tags { margin-top: 26px; display: flex; flex-wrap: wrap; gap: 10px; }
    .tag { display: inline-flex; padding: 10px 14px; border-radius: 999px; }
    .contact-grid { display: grid; grid-template-columns: 1fr; gap: 28px; max-width: 880px; margin: 0 auto; }
    .contact-link, .contact-item { display: flex; gap: 16px; align-items: center; margin-top: 14px; padding: 18px; border-radius: 24px; border: 1px solid var(--line); background: rgba(0,0,0,.26); transition: background .2s ease; }
    .contact-link:hover { background: rgba(255,255,255,.08); }

    .site-footer { border-top: 1px solid var(--line); background: #030303; }
    .footer-main { padding: 34px 0 20px; display: flex; justify-content: space-between; gap: 30px; color: var(--muted); font-size: 14px; }
    .footer-company { color: #eef2f8; font-weight: 800; font-size: 16px; margin-bottom: 6px; }
    .filing-bar { border-top: 1px solid rgba(255,255,255,.08); padding: 14px 0 18px; text-align: center; font-size: 13px; color: #9ca3af; }
    .filing-links { display: inline-flex; align-items: center; justify-content: center; gap: 16px; flex-wrap: wrap; }
    .filing-links a { color: #aeb6c5; transition: color .2s ease; }
    .filing-links a:hover { color: #fff; }

    .reveal { opacity: 0; transform: translateY(22px); transition: opacity .7s ease, transform .7s ease; }
    .reveal.visible { opacity: 1; transform: translateY(0); }

    @media (max-width: 980px) {
      .nav, .header-cta { display: none; }
      .mobile-menu-btn { display: inline-flex; }
      .nav.open { position: absolute; display: grid; top: 68px; left: 20px; right: 20px; gap: 8px; padding: 18px; background: rgba(8,8,10,.95); border: 1px solid var(--line); border-radius: 24px; backdrop-filter: blur(18px); }
      .nav.open a { padding: 10px 6px; }
      .hero-grid, .about-grid, .qual-grid, .ip-grid, .contact-grid { grid-template-columns: 1fr; }
      .services-grid { grid-template-columns: repeat(2, 1fr); }
      .value-grid, .qual-cards { grid-template-columns: 1fr; }
      .footer-main { flex-direction: column; }
    }
    @media (max-width: 640px) {
      .container { width: min(100% - 28px, 1200px); }
      .hero { padding-top: 105px; }
      .hero-actions { flex-direction: column; }
      .btn { width: 100%; }
      .stats, .services-grid { grid-template-columns: 1fr; }
      .ip-wrap { padding: 28px; border-radius: 32px; }
      section { padding: 80px 0; }
      .brand-subtitle { display: none; }
      .filing-links { gap: 8px 12px; }
    }