:root{--color-primary: #1d4ed8;--color-primary-dark: #1e40af;--color-primary-soft: #eff6ff;--color-text: #0f172a;--color-text-muted: #475569;--color-bg: #ffffff;--color-bg-alt: #f8fafc;--color-border: #e2e8f0;--color-white: #ffffff;--max-width: 1120px;--radius: 12px;--shadow-sm: 0 1px 3px rgba(15, 23, 42, .08);--shadow-md: 0 8px 24px rgba(15, 23, 42, .08);--header-h: 68px;--font-stack: -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", "Helvetica Neue", Arial, sans-serif}*{box-sizing:border-box}html{scroll-behavior:smooth;scroll-padding-top:calc(var(--header-h) + 12px)}body{margin:0;font-family:var(--font-stack);color:var(--color-text);background:var(--color-bg);line-height:1.7;font-size:16px;-webkit-font-smoothing:antialiased}h1,h2,h3{line-height:1.3;color:var(--color-text);margin:0 0 .6em;font-weight:700}p{margin:0 0 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var(--color-border)}.header-inner{display:flex;align-items:center;justify-content:space-between;height:var(--header-h)}.brand{display:inline-flex;align-items:center;font-weight:700;color:var(--color-text)}.brand:hover{color:var(--color-text)}.brand-logo{display:block;height:40px;width:auto}.brand-name{letter-spacing:.5px}.footer-brand-text .brand-name{font-size:20px;font-weight:700}.site-nav{display:flex;align-items:center;gap:26px}.site-nav a{color:var(--color-text-muted);font-size:15px;font-weight:500}.site-nav a:hover{color:var(--color-primary)}.site-nav .lang-switch{border:1px solid var(--color-border);border-radius:6px;padding:5px 12px;font-weight:600;color:var(--color-primary)}.nav-toggle{display:none;background:none;border:0;cursor:pointer;padding:8px}.nav-toggle span{display:block;width:24px;height:2px;background:var(--color-text);margin:5px 0;transition:.2s}.hero{background:linear-gradient(160deg,var(--color-primary-soft) 0%,#fff 70%);padding:96px 0 88px;text-align:center}.hero-eyebrow{display:inline-block;color:var(--color-primary);font-weight:600;font-size:14px;letter-spacing:1px;background:#fff;border:1px solid var(--color-border);padding:6px 16px;border-radius:999px;margin-bottom:24px}.hero-slogan{font-size:clamp(28px,5vw,46px);max-width:880px;margin:0 auto 20px}.hero-subtitle{font-size:clamp(15px,2vw,18px);color:var(--color-text-muted);max-width:760px;margin:0 auto 36px}.hero-actions{display:flex;gap:16px;justify-content:center;flex-wrap:wrap}.section{padding:84px 0}.section-alt{background:var(--color-bg-alt)}.section-eyebrow{color:var(--color-primary);font-weight:700;font-size:14px;letter-spacing:1.5px;text-transform:uppercase;margin-bottom:10px}.section-title{font-size:clamp(24px,3.4vw,34px);margin-bottom:18px}.section-lead{color:var(--color-text-muted);max-width:720px}.about-grid{display:grid;grid-template-columns:1.6fr 1fr;gap:48px;align-items:start;margin-top:24px}.about-text p{color:var(--color-text-muted)}.about-facts{list-style:none;margin:0;padding:0}.about-facts li{background:var(--color-bg-alt);border:1px solid var(--color-border);border-radius:var(--radius);padding:16px 18px;margin-bottom:12px;display:flex;flex-direction:column;gap:4px}.fact-label{font-size:13px;color:var(--color-text-muted)}.fact-value{font-weight:600;word-break:break-all}.card-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:22px;margin-top:32px}.card-grid-2{grid-template-columns:repeat(2,1fr)}.card{background:#fff;border:1px solid var(--color-border);border-radius:var(--radius);padding:28px 24px;box-shadow:var(--shadow-sm);transition:transform .2s,box-shadow .2s}.card:hover{transform:translateY(-3px);box-shadow:var(--shadow-md)}.card-flat{box-shadow:none}.card-index{display:block;color:var(--color-primary);font-weight:800;font-size:14px;margin-bottom:12px;letter-spacing:1px}.card h3{font-size:19px}.card p{color:var(--color-text-muted);font-size:15px;margin:0}.contact-list{display:grid;grid-template-columns:repeat(2,1fr);gap:20px;margin-top:32px}.contact-list>div{background:#fff;border:1px solid var(--color-border);border-radius:var(--radius);padding:22px 24px}.contact-list dt{font-size:13px;color:var(--color-text-muted);margin-bottom:6px;font-weight:600}.contact-list dd{margin:0;font-weight:500;word-break:break-word}.site-footer{background:#0f172a;color:#cbd5e1;margin-top:40px}.footer-grid{display:grid;grid-template-columns:1fr 1.4fr;gap:48px;padding-top:56px;padding-bottom:40px}.site-footer .brand-name,.site-footer h3{color:#fff}.site-footer h3{font-size:16px}.footer-tagline{color:#94a3b8;font-size:14px;margin-top:14px}.footer-contact{list-style:none;padding:0;margin:0}.footer-contact li{display:grid;grid-template-columns:96px 1fr;gap:12px;padding:7px 0;font-size:14px}.footer-contact .label{color:#94a3b8}.footer-contact a{color:#e2e8f0;word-break:break-all}.footer-bottom{border-top:1px solid #1e293b}.footer-bottom-inner{display:flex;justify-content:space-between;align-items:center;padding-top:20px;padding-bottom:20px;font-size:13px;color:#94a3b8;flex-wrap:wrap;gap:10px}.footer-links{display:flex;gap:20px;align-items:center}.footer-links a{color:#cbd5e1}.footer-links .icp{color:#94a3b8}.section-legal{padding:72px 0 96px}.legal-title{font-size:clamp(26px,4vw,36px)}.legal-updated{color:var(--color-text-muted);font-size:14px}.legal-intro{background:var(--color-primary-soft);border-radius:var(--radius);padding:18px 22px}.legal-block{margin-top:32px}.legal-block h2{font-size:20px}.legal-block p{color:var(--color-text-muted)}.section-404{text-align:center;padding:120px 0}.code-404{font-size:72px;font-weight:800;color:var(--color-primary);margin:0;line-height:1}@media (max-width: 900px){.card-grid{grid-template-columns:repeat(2,1fr)}.about-grid{grid-template-columns:1fr;gap:28px}.footer-grid{grid-template-columns:1fr;gap:32px}}@media (max-width: 768px){.nav-toggle{display:block}.site-nav{position:absolute;top:var(--header-h);left:0;right:0;background:#fff;border-bottom:1px solid var(--color-border);flex-direction:column;align-items:stretch;gap:0;padding:8px 24px 18px;display:none;box-shadow:var(--shadow-md)}.site-nav.is-open{display:flex}.site-nav a{padding:12px 0;border-bottom:1px solid var(--color-border)}.site-nav .lang-switch{text-align:center;margin-top:14px;border-bottom:0}.hero{padding:64px 0 56px}.section{padding:60px 0}.brand-logo{height:34px}.card-grid,.card-grid-2,.contact-list{grid-template-columns:1fr}.footer-contact li{grid-template-columns:1fr;gap:2px}.footer-bottom-inner{flex-direction:column;align-items:flex-start}}