:root{--bg:#060b16;--bg2:#0a1322;--card:#0e1a2e;--card2:#122238;--line:#1c3049;--blue:#3aa0ff;--cyan:#4dd8ff;--txt:#dbe7f5;--sub:#8fa6c0;--r:14px}
*{margin:0;padding:0;box-sizing:border-box}
body{font-family:"PingFang SC","Microsoft YaHei",system-ui,sans-serif;background:var(--bg);color:var(--txt);line-height:1.75}
a{color:inherit;text-decoration:none}
img{max-width:100%;display:block}
.wrap{max-width:1200px;margin:0 auto;padding:0 24px}
.hdr{position:sticky;top:0;z-index:100;background:rgba(6,11,22,.85);backdrop-filter:blur(12px);border-bottom:1px solid var(--line)}
.hdr .wrap{display:flex;align-items:center;justify-content:space-between;height:72px}
.logo{display:flex;align-items:center;gap:12px}
.logo img{height:42px}
.logo .brand{font-size:22px;font-weight:800;letter-spacing:4px;color:#fff}
.logo .brand span{color:var(--cyan)}
.nav{display:flex;gap:6px}
.nav a{padding:8px 16px;border-radius:8px;font-size:15px;color:var(--sub);transition:.2s}
.nav a:hover,.nav a.on{color:#fff;background:rgba(58,160,255,.12)}
.nav a.on{color:var(--cyan)}
.search{display:flex;align-items:center;gap:8px;background:var(--card);border:1px solid var(--line);border-radius:20px;padding:6px 14px;color:var(--sub);font-size:13px}
.btn{display:inline-flex;align-items:center;gap:8px;padding:13px 30px;border-radius:10px;font-size:15px;font-weight:600;transition:.25s;cursor:pointer;border:none}
.btn-p{background:linear-gradient(135deg,#2f8dff,#4dd8ff);color:#04121f;box-shadow:0 4px 24px rgba(58,160,255,.35)}
.btn-p:hover{transform:translateY(-2px);box-shadow:0 8px 32px rgba(58,160,255,.5)}
.btn-o{background:transparent;color:#fff;border:1px solid rgba(255,255,255,.35)}
.btn-o:hover{border-color:var(--cyan);color:var(--cyan)}
.hero{position:relative;min-height:640px;display:flex;align-items:center;overflow:hidden}
.hero img.bg{position:absolute;inset:0;width:100%;height:100%;object-fit:cover;opacity:.9}
.hero .mask{position:absolute;inset:0;background:linear-gradient(90deg,rgba(4,9,18,.92) 0%,rgba(4,9,18,.55) 55%,rgba(4,9,18,.25) 100%)}
.hero .inner{position:relative;z-index:2;max-width:640px}
.hero .tag{color:var(--cyan);letter-spacing:6px;font-size:14px;margin-bottom:18px}
.hero h1{font-size:52px;line-height:1.2;color:#fff;margin-bottom:22px;font-weight:800}
.hero p{color:#b9cbe0;font-size:17px;margin-bottom:34px;max-width:560px}
.hero .btns{display:flex;gap:16px}
.dots{position:absolute;bottom:28px;right:40px;z-index:3;display:flex;gap:8px}
.dots i{width:26px;height:3px;background:rgba(255,255,255,.3);border-radius:2px;cursor:pointer}
.dots i.on{background:var(--cyan)}
.sec{padding:88px 0}
.sec-hd{display:flex;align-items:flex-end;justify-content:space-between;margin-bottom:44px}
.sec-hd h2{font-size:34px;color:#fff}
.sec-hd h2::after{content:"";display:block;width:56px;height:3px;background:linear-gradient(90deg,#2f8dff,#4dd8ff);border-radius:2px;margin-top:12px}
.sec-hd .more{color:var(--cyan);font-size:14px}
.sec-hd p{color:var(--sub);margin-top:10px;max-width:720px}
.grid{display:grid;gap:24px}
.g2{grid-template-columns:repeat(2,1fr)}
.g3{grid-template-columns:repeat(3,1fr)}
.g4{grid-template-columns:repeat(4,1fr)}
.card{background:var(--card);border:1px solid var(--line);border-radius:var(--r);overflow:hidden;transition:.25s}
.card:hover{transform:translateY(-5px);border-color:rgba(77,216,255,.45);box-shadow:0 12px 40px rgba(0,0,0,.45)}
.card .im{height:200px;overflow:hidden}
.card .im img{width:100%;height:100%;object-fit:cover;transition:.4s}
.card:hover .im img{transform:scale(1.06)}
.card .bd{padding:22px}
.card .bd h3{font-size:19px;color:#fff;margin-bottom:10px}
.card .bd p{font-size:14px;color:var(--sub)}
.card .lk{display:inline-block;margin-top:14px;color:var(--cyan);font-size:14px}
.feat{display:grid;grid-template-columns:1.05fr 1fr;gap:40px;align-items:center;background:var(--card);border:1px solid var(--line);border-radius:var(--r);overflow:hidden}
.feat .im{height:100%;min-height:300px}
.feat .im img{width:100%;height:100%;object-fit:cover}
.feat .bd{padding:36px}
.feat h3{font-size:24px;color:#fff;margin-bottom:14px}
.feat p{color:var(--sub);font-size:15px}
.tl{position:relative;padding-left:34px}
.tl::before{content:"";position:absolute;left:9px;top:6px;bottom:6px;width:2px;background:linear-gradient(#2f8dff,#4dd8ff55)}
.tl-i{position:relative;padding:0 0 30px 16px}
.tl-i::before{content:"";position:absolute;left:-32px;top:7px;width:12px;height:12px;border-radius:50%;background:var(--bg);border:2px solid var(--cyan);box-shadow:0 0 10px rgba(77,216,255,.7)}
.tl-i .yr{color:var(--cyan);font-weight:700;font-size:16px}
.tl-i h4{color:#fff;font-size:17px;margin:4px 0 6px}
.tl-i p{color:var(--sub);font-size:14px;max-width:640px}
.stats{display:grid;grid-template-columns:repeat(4,1fr);gap:24px;text-align:center}
.stat{background:linear-gradient(180deg,var(--card2),var(--card));border:1px solid var(--line);border-radius:var(--r);padding:34px 16px}
.stat b{display:block;font-size:40px;color:var(--cyan);font-weight:800}
.stat span{color:var(--sub);font-size:14px}
.art{max-width:860px;margin:0 auto}
.art h2{font-size:28px;color:#fff;margin:48px 0 18px}
.art h2:first-child{margin-top:0}
.art h3{font-size:20px;color:var(--cyan);margin:32px 0 12px}
.art p{color:#c3d3e6;font-size:16px;margin-bottom:16px}
.art ul{margin:0 0 16px 22px;color:#c3d3e6;font-size:15px}
.art li{margin-bottom:8px}
.art blockquote{border-left:3px solid var(--cyan);background:var(--card);padding:16px 22px;border-radius:0 10px 10px 0;color:var(--sub);margin:20px 0;font-style:italic}
.art figure{margin:26px 0}
.art figure img{border-radius:var(--r);width:100%}
.art figcaption{color:#6f87a3;font-size:13px;text-align:center;margin-top:10px}
.art table{width:100%;border-collapse:collapse;margin:20px 0;font-size:14px}
.art th,.art table td{border:1px solid var(--line);padding:10px 14px;text-align:left}
.art th{background:var(--card2);color:#fff}
.art table td{color:var(--sub)}
.faq{max-width:860px;margin:0 auto}
.faq details{background:var(--card);border:1px solid var(--line);border-radius:10px;margin-bottom:14px;padding:18px 24px}
.faq summary{cursor:pointer;color:#fff;font-size:16px;font-weight:600}
.faq details p{color:var(--sub);margin-top:12px;font-size:15px}
.band{background:linear-gradient(180deg,#0a1830,#060b16);border-top:1px solid var(--line);border-bottom:1px solid var(--line)}
.band .wrap{display:grid;grid-template-columns:1.2fr 1fr;gap:50px;align-items:center;padding:70px 24px}
.band h2{font-size:30px;color:#fff;margin-bottom:16px}
.band p{color:var(--sub);margin-bottom:10px}
.icon-cards{display:grid;grid-template-columns:1fr 1fr;gap:18px}
.ic{background:var(--card);border:1px solid var(--line);border-radius:12px;padding:20px;display:flex;gap:14px;align-items:flex-start}
.ic .e{font-size:26px}
.ic h4{color:#fff;font-size:16px;margin-bottom:4px}
.ic p{font-size:13px;color:var(--sub);margin:0}
.ftr{border-top:1px solid var(--line);background:#04080f;padding:56px 0 30px}
.ftr .top{display:grid;grid-template-columns:1.4fr 1fr 1fr 1fr;gap:40px;margin-bottom:40px}
.ftr h5{color:#fff;font-size:15px;margin-bottom:14px}
.ftr a{display:block;color:var(--sub);font-size:13px;margin-bottom:9px}
.ftr a:hover{color:var(--cyan)}
.ftr .bot{border-top:1px solid var(--line);padding-top:22px;text-align:center;color:#5f7590;font-size:13px}
.phero{padding:90px 0 60px;text-align:center;position:relative;overflow:hidden}
.phero h1{font-size:42px;color:#fff;margin-bottom:14px}
.phero p{color:var(--sub);max-width:700px;margin:0 auto}
.phero .bg{position:absolute;inset:0;object-fit:cover;width:100%;height:100%;opacity:.22}
.phero .wrap{position:relative;z-index:2}
.crumbs{color:#5f7590;font-size:13px;margin-bottom:18px}
.crumbs a{color:var(--cyan)}
@media(max-width:960px){.g3,.g4,.stats{grid-template-columns:repeat(2,1fr)}.feat,.band .wrap,.ftr .top{grid-template-columns:1fr}.nav{display:none}.hero h1{font-size:36px}.hero .inner{padding:0 8px}}

/* ---- 语言切换 / 图库 / 视频 ---- */
.hdr-right{display:flex;align-items:center;gap:14px}
.lang{padding:6px 14px;border:1px solid var(--line);border-radius:18px;font-size:13px;color:var(--sub);white-space:nowrap}
.lang:hover{color:var(--cyan);border-color:var(--cyan)}
.gal{display:grid;grid-template-columns:repeat(4,1fr);gap:16px}
.gal figure{position:relative;border-radius:12px;overflow:hidden;margin:0}
.gal img{width:100%;height:170px;object-fit:cover;transition:.4s;display:block}
.gal figure:hover img{transform:scale(1.08)}
.gal figcaption{position:absolute;left:0;right:0;bottom:0;background:linear-gradient(transparent,rgba(4,9,18,.92));padding:26px 12px 10px;font-size:13px;color:#dbe7f5}
.vwrap{display:grid;grid-template-columns:repeat(2,1fr);gap:24px}
.vcard{background:var(--card);border:1px solid var(--line);border-radius:var(--r);overflow:hidden}
.vcard video{width:100%;display:block;background:#000}
.vcard .bd{padding:18px}
.vcard h3{color:#fff;font-size:17px;margin-bottom:6px}
.vcard p{color:var(--sub);font-size:13px}
@media(max-width:960px){.gal{grid-template-columns:repeat(2,1fr)}.vwrap{grid-template-columns:1fr}.search{display:none}}