:root{color-scheme:light;--ink:#162237;--muted:#607087;--blue:#1478f8;--blue-dark:#075de0;--line:#e7edf5;--paper:#fff;--wash:#f5f8ff;--mint:#dcf8ef;--violet:#eee8ff;--amber:#fff3dc}*{box-sizing:border-box}html{scroll-behavior:smooth}body{margin:0;background:var(--paper);color:var(--ink);font:16px/1.65 -apple-system,BlinkMacSystemFont,"Segoe UI","PingFang SC","Noto Sans CJK SC",sans-serif}a{color:inherit;text-decoration:none}.topbar{height:78px;padding:0 max(6vw,24px);display:flex;align-items:center;justify-content:space-between;border-bottom:1px solid rgba(218,227,239,.7);background:rgba(255,255,255,.9)}.brand,.footer-brand{display:inline-flex;align-items:center;gap:12px;font-weight:750;letter-spacing:-.02em}.brand img{width:38px;height:38px;border-radius:22.4%;object-fit:cover}.topbar nav{display:flex;gap:34px;align-items:center;color:#526278;font-size:14px;font-weight:600}.topbar nav a:hover,footer a:hover{color:var(--blue)}.nav-contact{padding:9px 17px;border:1px solid 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20px}.agreement-card a{color:var(--blue);font-weight:750;font-size:13px}.page-footer{margin-top:44px;padding-top:20px;border-top:1px solid var(--line);display:flex;gap:18px;flex-wrap:wrap;color:#8492a5;font-size:12px}.page-footer a{color:var(--blue)}@media(max-width:850px){.topbar{height:auto;min-height:64px;padding:8px 24px;flex-wrap:wrap;gap:8px}.topbar nav{width:100%;justify-content:space-between;gap:12px;font-size:13px}.hero{grid-template-columns:1fr;padding-top:54px}.hero-art{height:330px}.feature-grid{grid-template-columns:repeat(2,1fr)}.agreement-grid{grid-template-columns:1fr}.trust-section,.legal-callout{align-items:flex-start;flex-direction:column}}@media(max-width:560px){.topbar{height:auto;min-height:64px;padding:8px 18px;flex-wrap:wrap;gap:8px}.brand{font-size:14px}.brand img{width:31px;height:31px}.topbar nav{width:100%;justify-content:space-between;gap:8px;font-size:12px}.topbar nav a:first-child{display:none}.nav-contact{padding:7px 10px}.language-picker 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