:root{--brand:#0e7490;--brand-dark:#155e75;--brand-light:#cffafe;--accent:#f59e0b;--accent-dark:#d97706;--ink:#0f172a;--muted:#64748b;--line:#e2e8f0;--bg:#fff;--bg-soft:#f8fafc;--bg-tint:#f0fdfa;--radius:14px;--shadow:0 1px 2px #0f172a0a, 0 8px 24px #0f172a0f;--maxw:1140px}*{box-sizing:border-box}html,body{background:var(--bg);color:var(--ink);-webkit-font-smoothing:antialiased;margin:0;padding:0;font-family:-apple-system,BlinkMacSystemFont,Segoe UI,PingFang SC,Hiragino Sans GB,Microsoft YaHei,Roboto,Helvetica,Arial,sans-serif;line-height:1.6}a{color:inherit;text-decoration:none}.container{max-width:var(--maxw);margin:0 auto;padding:0 20px}.header{z-index:50;-webkit-backdrop-filter:saturate(180%)blur(10px);backdrop-filter:saturate(180%)blur(10px);border-bottom:1px solid var(--line);background:#ffffffeb;position:sticky;top:0}.header-inner{justify-content:space-between;align-items:center;height:64px;display:flex}.logo{color:var(--brand-dark);align-items:center;gap:10px;font-size:18px;font-weight:800;display:flex}.logo .mark{background:linear-gradient(135deg, var(--brand), #06b6d4);color:#fff;border-radius:8px;place-items:center;width:30px;height:30px;font-size:16px;display:grid}.nav{align-items:center;gap:22px;display:flex}.nav a{color:var(--muted);font-size:14px;font-weight:600;transition:color .15s}.nav a:hover,.nav a.active{color:var(--brand-dark)}.nav-links{gap:22px;display:flex}.nav-toggle{border:1px solid var(--line);cursor:pointer;width:42px;height:38px;color:var(--ink);background:0 0;border-radius:10px;justify-content:center;align-items:center;font-size:20px;display:none}.lang-switch{border:1px solid var(--line);border-radius:999px;gap:6px;padding:3px;display:flex}.lang-switch button{cursor:pointer;color:var(--muted);background:0 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28px}.jstep:not(:last-child):after{content:"↓";top:auto;bottom:2px;right:50%;transform:translate(50%)}.sticky-cta{z-index:60;background:var(--accent);color:#fff;justify-content:space-between;align-items:center;padding:14px 20px;display:flex;position:fixed;bottom:0;left:0;right:0;box-shadow:0 -6px 20px #0f172a33}.footer{padding-bottom:84px}.net-cta{text-align:left;flex-direction:column;align-items:stretch}.net-cta .btn{justify-content:center;width:100%}}