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var(--color-border);background:#faf7f2d9;position:sticky;top:0}.header-inner{justify-content:space-between;align-items:center;gap:16px;height:72px;display:flex}.brand{flex-shrink:0;align-items:baseline;gap:8px;display:flex}.brand-mark{align-self:center;width:28px;height:28px}.footer-brand .brand-mark{width:34px;height:34px}.brand-cn{font-family:var(--font-serif);letter-spacing:2px;font-size:22px;font-weight:700}.brand-en{letter-spacing:2px;color:var(--color-ink-soft);text-transform:uppercase;font-size:11px}.site-nav{flex:1;justify-content:center;gap:28px;display:flex}.site-nav a{color:var(--color-ink-soft);font-size:15px;transition:color .2s}.site-nav a:hover{color:var(--color-accent-dark)}.btn{cursor:pointer;white-space:nowrap;border:1px solid #0000;border-radius:999px;justify-content:center;align-items:center;font-weight:600;transition:transform .15s,box-shadow .15s,background .2s;display:inline-flex}.btn-small{padding:8px 18px;font-size:14px}.btn-large{padding:14px 32px;font-size:16px}.btn-primary{background:var(--color-ink);color:#fff}.btn-primary:hover{background:var(--color-accent-dark);box-shadow:var(--shadow-soft);transform:translateY(-1px)}.btn-ghost{color:var(--color-ink);border-color:var(--color-border);background:0 0}.btn-ghost:hover{border-color:var(--color-ink)}.hero{background:radial-gradient(circle at 85% 0,#14b8a624,#0000 55%),radial-gradient(circle at 0 100%,#134e4a14,#0000 45%);padding:96px 0 80px}.hero-inner{text-align:center;flex-direction:column;align-items:center;gap:24px;max-width:760px;margin:0 auto;display:flex}.eyebrow{letter-spacing:3px;text-transform:uppercase;color:var(--color-accent-dark);font-size:14px;font-weight:600}.hero h1{font-size:clamp(28px,5vw,44px);line-height:1.4}.hero-sub{color:var(--color-ink-soft);max-width:620px;font-size:17px}.hero-actions{flex-wrap:wrap;justify-content:center;gap:16px;margin-top:8px;display:flex}.features{padding:88px 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#14b8a633}.form-submit{width:100%;margin-top:4px}.form-success{text-align:center;color:var(--color-accent-dark);font-size:15px;font-weight:600}.site-footer{background:var(--color-ink);color:#eef1f0;padding:56px 0 28px}.footer-inner{flex-wrap:wrap;justify-content:space-between;gap:40px;display:flex}.footer-brand .brand-cn{color:#fff}.footer-brand .brand-en{color:#fff9}.footer-brand p{color:#ffffffa6;max-width:260px;margin-top:12px;font-size:14px}.footer-links{gap:64px;display:flex}.footer-col h4{letter-spacing:1px;text-transform:uppercase;color:#ffffff80;margin-bottom:14px;font-size:13px;font-weight:600}.footer-col a,.footer-col p{color:#fffc;margin-bottom:10px;font-size:14px;display:block}.footer-col a:hover{color:var(--color-accent)}.footer-bottom{text-align:center;border-top:1px solid #ffffff1f;margin-top:40px;padding-top:24px}.footer-bottom p{color:#ffffff80;font-size:13px}@media 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