:root{--bg: #fff1e2;--bg-soft: #ffe6cc;--surface: #ffffff;--text: #0f172a;--muted: #52606d;--primary: #1e40af;--primary-strong: #1e3a8a;--accent: #3b82f6;--accent-strong: #2563eb;--border: #e2e8f0;--radius: 14px;--shadow: 0 10px 30px rgba(15, 23, 42, .08);--container: 1080px}*{box-sizing:border-box}html{scroll-behavior:smooth;scroll-padding-top:80px}body{margin:0;font-family:system-ui,-apple-system,PingFang SC,Hiragino Sans GB,Microsoft YaHei,Segoe UI,Roboto,sans-serif;color:var(--text);background:var(--bg);line-height:1.7;-webkit-font-smoothing:antialiased}img,svg{display:block;max-width:100%}.container{width:100%;max-width:var(--container);margin:0 auto;padding:0 20px}a{color:inherit;text-decoration:none}:focus-visible{outline:3px solid var(--primary);outline-offset:2px;border-radius:4px}@media(prefers-reduced-motion:reduce){html{scroll-behavior:auto}*{transition:none!important;animation:none!important}}.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;font-weight:600;border:1px solid transparent;border-radius:999px;cursor:pointer;transition:background-color .2s,border-color .2s,transform .15s;padding:10px 22px;font-size:.95rem}.btn:active{transform:translateY(1px)}.btn-primary{background:linear-gradient(135deg,var(--primary),var(--accent-strong));color:#fff;box-shadow:0 6px 18px #1e40af59}.btn-primary:hover{background:linear-gradient(135deg,var(--primary-strong),var(--accent-strong))}.btn-ghost{background:transparent;border-color:var(--border);color:var(--text)}.btn-ghost:hover{border-color:var(--primary);color:var(--primary)}.btn-sm{padding:8px 16px;font-size:.875rem}.btn-lg{padding:14px 28px;font-size:1.05rem}.btn-block{width:100%}.site-header{position:sticky;top:0;z-index:50;background:#fff1e2d9;backdrop-filter:blur(10px);-webkit-backdrop-filter:blur(10px);border-bottom:1px solid transparent;transition:border-color .2s,box-shadow .2s}.site-header.scrolled{border-bottom-color:var(--border);box-shadow:0 4px 20px #0f172a0f}.header-inner{display:flex;align-items:center;justify-content:space-between;height:64px}.brand{display:inline-flex;align-items:center;gap:8px;font-weight:700;font-size:1.15rem}.brand-mark{display:inline-flex;align-items:center;justify-content:center;width:28px;height:28px;border-radius:8px;background:linear-gradient(135deg,var(--primary),var(--accent));color:#fff;font-size:.9rem}.header-nav{display:flex;align-items:center;gap:20px}.nav-link{font-size:.95rem;color:var(--muted);transition:color .2s}.nav-link:hover{color:var(--text)}.hero{position:relative;overflow:hidden;padding:96px 0 110px;background:radial-gradient(600px 300px at 15% 0%,rgba(234,88,12,.1),transparent 70%),radial-gradient(600px 300px at 85% 10%,rgba(251,146,60,.14),transparent 70%),var(--bg)}.hero-inner{max-width:760px;text-align:center}.badge{display:inline-block;margin:0 0 20px;padding:6px 14px;font-size:.85rem;font-weight:600;color:var(--primary);background:#1e40af14;border:1px solid rgba(30,64,175,.2);border-radius:999px}.hero h1{margin:0 0 20px;font-size:clamp(2rem,5vw + .5rem,3.4rem);line-height:1.25;letter-spacing:-.02em}.grad{background:linear-gradient(135deg,var(--primary),var(--accent));-webkit-background-clip:text;background-clip:text;color:transparent}.hero-sub{margin:0 auto 36px;max-width:560px;font-size:clamp(1rem,1vw + .75rem,1.15rem);color:var(--muted)}.hero-actions{display:flex;flex-wrap:wrap;justify-content:center;gap:14px}.features{padding:90px 0;background:var(--bg-soft)}.section-title{margin:0 0 10px;font-size:clamp(1.5rem,2.5vw + .5rem,2.1rem);text-align:center;letter-spacing:-.01em}.section-sub{margin:0 auto 48px;max-width:520px;text-align:center;color:var(--muted)}.feature-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}.card{background:var(--surface);border:1px solid var(--border);border-radius:var(--radius);padding:28px 24px;transition:transform .2s,box-shadow .2s}@media(hover:hover)and (pointer:fine){.card:hover{transform:translateY(-4px);box-shadow:var(--shadow)}}.card-icon{display:inline-flex;align-items:center;justify-content:center;width:48px;height:48px;margin-bottom:18px;border-radius:12px;background:#1e40af14;color:var(--primary)}.card-icon svg{width:24px;height:24px}.card h3{margin:0 0 10px;font-size:1.15rem}.card p{margin:0;color:var(--muted);font-size:.95rem}.contact{padding:90px 0}.contact-inner{display:grid;grid-template-columns:1fr 1.15fr;gap:56px;align-items:start}.contact-copy .section-title,.contact-copy .section-sub{text-align:left;margin-left:0}.contact-points{margin:0;padding:0;list-style:none;color:var(--muted)}.contact-points li{position:relative;padding-left:26px;margin-bottom:10px}.contact-points li:before{content:"✓";position:absolute;left:0;color:var(--primary);font-weight:700}.contact-form-wrap{background:var(--surface);border:1px solid var(--border);border-radius:var(--radius);padding:32px 28px;box-shadow:var(--shadow)}.field{margin-bottom:18px}.field label{display:block;margin-bottom:6px;font-weight:600;font-size:.92rem}.req{color:#dc2626;margin-left:2px}.field input,.field textarea{width:100%;padding:12px 14px;font:inherit;color:var(--text);background:var(--surface);border:1px solid var(--border);border-radius:10px;transition:border-color .2s,box-shadow .2s}.field input::placeholder,.field textarea::placeholder{color:#64748b}.field input:focus,.field textarea:focus{outline:none;border-color:var(--primary);box-shadow:0 0 0 3px #1e40af26}.field textarea{resize:vertical;min-height:88px}.form-error{margin:0 0 14px;color:#dc2626;font-size:.9rem}.form-note{margin:12px 0 0;text-align:center;font-size:.8rem;color:var(--muted)}.form-success{text-align:center;padding:24px 8px}.success-title{margin:0 0 8px;font-size:1.3rem;font-weight:700;color:var(--primary)}.form-success p:not(.success-title){color:var(--muted);margin:0 0 20px}.site-footer{border-top:1px solid var(--border);background:var(--bg-soft);padding:48px 0 24px}.footer-inner{display:flex;flex-wrap:wrap;gap:24px;justify-content:space-between;align-items:flex-start}.footer-brand p{margin:10px 0 0;color:var(--muted);font-size:.92rem}.footer-nav{display:flex;gap:24px}.footer-nav a{color:var(--muted);font-size:.92rem;transition:color .2s}.footer-nav a:hover{color:var(--text)}.footer-copy{margin-top:32px;padding-top:20px;border-top:1px solid var(--border)}.footer-copy p{margin:0;color:var(--muted);font-size:.85rem;text-align:center}@media(max-width:860px){.feature-grid{grid-template-columns:1fr;max-width:480px;margin:0 auto}.contact-inner{grid-template-columns:1fr;gap:36px}}@media(max-width:560px){.hero{padding:64px 0 72px}.hero-actions .btn{width:100%}.features,.contact{padding:64px 0}.contact-form-wrap{padding:24px 18px}.footer-inner{flex-direction:column}}