:root{--text:#111;--muted:#6b7280;--primary:#0052d9;--surface:#ffffff;--surface-2:#f6f6f6;--border:#eaeaea}
*{box-sizing:border-box}
html,body{padding:0;margin:0}
body{font-family:'Noto Sans SC',system-ui,-apple-system,Segoe UI,Roboto,Helvetica,Arial,"PingFang SC","Hiragino Sans GB","Microsoft YaHei",sans-serif;color:var(--text);background:#fff}
img{max-width:100%;display:block}
.container{width:100%;max-width:1120px;margin:0 auto;padding:0 20px}
.btn{display:inline-block;padding:12px 18px;border-radius:8px;border:1px solid var(--border);text-decoration:none;color:var(--text);background:var(--surface);transition:.2s}
.btn:hover{transform:translateY(-1px)}
.btn.primary{background:var(--primary);color:#fff;border-color:var(--primary)}
.site-header{position:sticky;top:0;background:#fff;border-bottom:1px solid var(--border);z-index:10}
.topbar{background:var(--primary);color:#fff}
.topbar-inner{display:flex;align-items:center;justify-content:space-between;height:36px}
.topbar a{color:#fff;text-decoration:none}
.header-inner{display:flex;align-items:center;justify-content:space-between;min-height:77px}
.brand{display:flex;align-items:center;gap:12px;color:inherit;text-decoration:none}
.brand-logo{width:68px;height:68px;object-fit:contain}
.brand-text{display:flex;flex-direction:column;line-height:1}
.brand-text strong{font-weight:700;font-size:28px}
.brand-text span{font-size:15px;color:var(--muted)}
.nav{display:flex;gap:19px;align-items:center}
.nav a{color:var(--text);text-decoration:none;padding:10px 13px;border-radius:8px;font-size:21px}
.nav .cta{background:var(--primary);border:1px solid var(--primary);color:#fff}
.hero{background:#fff}
.hero-inner{display:grid;grid-template-columns:1.2fr .8fr;gap:32px;padding:77px 0}
.hero-content h1{font-size:51px;margin:0 0 12px}
.hero-content p{color:var(--muted);margin:0 0 24px;font-size:18px}
.hero-img{border-radius:12px;border:1px solid var(--border);background:var(--surface-2)}
.section{padding:56px 0}
.section h2{font-size:26px;margin:0 0 16px}
.section.alt{background:var(--surface-2)}
.cards{display:grid;grid-template-columns:repeat(2,1fr);gap:24px}
.card{background:#fff;border:1px solid var(--border);border-radius:12px;overflow:hidden;display:flex;flex-direction:column}
.card-img{height:200px;object-fit:cover;background:var(--surface-2)}
.card-body{padding:18px}
.card-body h3{margin:0 0 8px;font-size:26px}
.card-body p{margin:0 0 14px;color:var(--muted);font-size:18px}
.features{display:grid;gap:6px;padding:0;margin:0}
.features li{list-style:none;position:relative;padding-left:18px}
.features li::before{content:"";position:absolute;left:0;top:8px;width:8px;height:8px;border-radius:50%;background:var(--primary)}
.gallery{display:grid;grid-template-columns:repeat(3,1fr);gap:16px}
.gallery-item{border-radius:12px;overflow:hidden;border:1px solid var(--border);background:#fff}
.gallery-item img{height:180px;object-fit:cover}
.gallery-item figcaption{padding:12px;color:var(--muted);font-size:18px}
.about{display:grid;grid-template-columns:1.2fr .8fr;gap:24px}
.stats{display:flex;gap:24px;margin-top:18px}
.stat{display:flex;flex-direction:column;align-items:flex-start}
.num{font-size:24px;font-weight:700}
.label{color:var(--muted)}
.placeholder{width:100%;height:auto}
.contact{display:flex;flex-direction:column;gap:18px}
.contact-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:16px}
.contact-card{background:#fff;border:1px solid var(--border);border-radius:12px;padding:16px}
.contact-form{grid-column:1/-1;display:grid;gap:12px}
.contact-form input,.contact-form textarea{padding:12px;border:1px solid var(--border);border-radius:8px;font:inherit}
.site-footer{border-top:1px solid var(--border);background:#fff}
.footer-inner{display:flex;align-items:center;justify-content:space-between;min-height:77px;font-size:18px}
.values-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:20px}
.value{background:#fff;border:1px solid var(--border);border-radius:12px;padding:16px;display:flex;flex-direction:column;gap:8px}
.value-title{font-weight:600}
.value-desc{color:var(--muted)}
.value-icon{width:36px;height:36px;border-radius:4px;background:var(--primary);opacity:.85}
.values-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:20px}
.value{background:#fff;border:1px solid var(--border);border-radius:12px;padding:16px;display:flex;flex-direction:column;gap:8px}
.value-title{font-weight:600}
.value-desc{color:var(--muted)}
.value-icon{width:36px;height:36px;border-radius:4px;background:var(--primary);opacity:.85}
@media (max-width:900px){.hero-inner{grid-template-columns:1fr}.cards{grid-template-columns:1fr}.gallery{grid-template-columns:1fr 1fr}.about{grid-template-columns:1fr}.contact-grid{grid-template-columns:1fr}}
@media (max-width:900px){.tiles{grid-template-columns:1fr 1fr}.tile-cover{height:180px}}
@media (max-width:768px){.container{padding:0 16px}.header-inner{min-height:64px}.brand-logo{width:48px;height:48px}.brand-text strong{font-size:22px}.brand-text span{font-size:12px}.nav{gap:10px;overflow-x:auto;white-space:nowrap;-webkit-overflow-scrolling:touch;padding-bottom:6px}.nav a{font-size:16px;padding:8px 10px}.hero-inner{grid-template-columns:1fr;padding:56px 0}.hero-content h1{font-size:34px}.hero-content p{font-size:16px}.cards{grid-template-columns:1fr}.gallery{grid-template-columns:1fr}.tiles{grid-template-columns:1fr}.tile-cover{height:160px}.section{padding:40px 0}.footer-inner{min-height:64px;font-size:16px}}
.tiles{display:grid;grid-template-columns:repeat(3,1fr);gap:16px}
.tile{position:relative;border-radius:14px;overflow:hidden;border:1px solid var(--border);background:#000}
.tile-cover{width:100%;height:220px;object-fit:cover;filter:saturate(1.05)}
.tile::after{content:"";position:absolute;inset:0;background:linear-gradient(180deg,rgba(0,0,0,.0),rgba(0,0,0,.55))}
.tile-content{position:absolute;left:0;right:0;bottom:0;padding:16px;color:#fff;display:flex;align-items:center;justify-content:space-between}
.tile-title{font-size:23px;font-weight:700}
.tile-cta{background:rgba(255,255,255,.15);padding:10px 13px;border-radius:10px;border:1px solid rgba(255,255,255,.35);backdrop-filter:saturate(1.2);font-size:14px}
.tile:hover .tile-cover{transform:scale(1.04);transition:.3s}