:root{--bg:#0b1020;--card:#131a30;--line:#222c4a;--text:#e8ecf8;--mute:#9aa6c7;--accent:#6366f1;--accent2:#06b6d4}
@media (prefers-color-scheme:light){:root{--bg:#f6f8fc;--card:#fff;--line:#e0e6f2;--text:#10162b;--mute:#5b6787}}
*{box-sizing:border-box}html{scroll-behavior:smooth}
body{margin:0;background:var(--bg);color:var(--text);font:16px/1.6 -apple-system,"PingFang SC","Microsoft YaHei",Segoe UI,Roboto,sans-serif}
a{color:inherit}.wrap{max-width:1100px;margin:0 auto;padding:0 16px}
header{position:sticky;top:0;z-index:10;background:color-mix(in srgb,var(--bg) 85%,transparent);backdrop-filter:blur(10px);border-bottom:1px solid var(--line)}
.nav{display:flex;align-items:center;justify-content:space-between;height:60px;gap:12px}
.logo{font-weight:700;text-decoration:none}nav a{margin-left:18px;text-decoration:none;color:var(--mute);font-size:15px}nav a:hover{color:var(--text)}
.lang{margin-left:18px;border:1px solid var(--line);background:none;color:var(--text);border-radius:8px;padding:4px 10px;cursor:pointer}
.hero{padding:88px 0 64px;text-align:center}
.hero h1{font-size:clamp(30px,6vw,52px);line-height:1.2;margin:0 0 16px;background:linear-gradient(90deg,var(--accent),var(--accent2));-webkit-background-clip:text;background-clip:text;color:transparent}
.hero p{color:var(--mute);max-width:640px;margin:0 auto 28px;font-size:18px}
.btn{display:inline-block;padding:12px 24px;border-radius:10px;background:linear-gradient(90deg,var(--accent),var(--accent2));color:#fff;text-decoration:none;font-weight:600;border:0;cursor:pointer;font-size:16px}
.btn.ghost{background:none;border:1px solid var(--line);color:var(--text);margin-left:10px}
section{padding:56px 0}h2{font-size:28px;margin:0 0 24px}
.filters{display:flex;gap:8px;flex-wrap:wrap;margin-bottom:22px}
.chip{border:1px solid var(--line);background:var(--card);color:var(--text);padding:6px 16px;border-radius:99px;cursor:pointer;font-size:14px}
.chip.on{background:var(--accent);border-color:var(--accent);color:#fff}
.grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(250px,1fr));gap:20px}
.card{background:var(--card);border:1px solid var(--line);border-radius:14px;overflow:hidden;cursor:pointer;transition:.2s;text-align:left;padding:0;color:inherit;font:inherit}
.card:hover{transform:translateY(-4px);border-color:var(--accent)}
.card img{width:100%;aspect-ratio:16/9;object-fit:cover;display:block}
.card .b{padding:16px}.card h3{margin:6px 0;font-size:18px}.card p{margin:0;color:var(--mute);font-size:14px}
.tag{font-size:12px;color:var(--accent2);text-transform:uppercase;letter-spacing:.05em}
.cols{display:grid;grid-template-columns:repeat(auto-fit,minmax(220px,1fr));gap:18px}
.box{background:var(--card);border:1px solid var(--line);border-radius:14px;padding:20px}
.box h3{margin:0 0 8px}.box p{margin:0;color:var(--mute);font-size:15px}.num{color:var(--accent);font-weight:700;font-size:22px}
.contact{display:grid;gap:10px;font-size:17px}
footer{border-top:1px solid var(--line);padding:24px 0;color:var(--mute);text-align:center;font-size:14px}
.modal{position:fixed;inset:0;background:rgba(0,0,0,.6);display:none;align-items:center;justify-content:center;padding:16px;z-index:20}
.modal.open{display:flex}.sheet{background:var(--card);border-radius:16px;max-width:640px;width:100%;max-height:90vh;overflow:auto;position:relative}
.sheet img{width:100%;display:block}.sheet .b{padding:22px}.x{position:absolute;top:10px;right:12px;background:rgba(0,0,0,.5);color:#fff;border:0;border-radius:50%;width:34px;height:34px;font-size:20px;cursor:pointer}
.pills span{display:inline-block;border:1px solid var(--line);border-radius:99px;padding:2px 12px;margin:4px 6px 0 0;font-size:13px;color:var(--mute)}
@media(max-width:640px){nav a{display:none}.hero{padding:56px 0 40px}}