:root{--a:#0f66c4;--pale:#e7f0fc;--ink:#1f2c3c;--mut:#6c7c90;--line:#e3eaf3}
*{box-sizing:border-box}
body{margin:0;background:#f4f7fb;color:var(--ink);font:15px/1.8 "PingFang SC","Microsoft YaHei","Noto Sans CJK SC",sans-serif}
a{color:inherit;text-decoration:none}ul{margin:0;padding:0;list-style:none}button{font:inherit;cursor:pointer}
.s2-top{background:#0d4f9b;color:#d9e7fa;font-size:12px}
.s2-topin{max-width:1160px;margin:auto;height:32px;display:flex;align-items:center;justify-content:space-between}
.s2-head{background:#fff;box-shadow:0 1px 6px rgba(20,60,110,.07);position:sticky;top:0;z-index:20}
.s2-headin{max-width:1160px;margin:auto;height:74px;display:flex;align-items:center;gap:36px}
.s2-logo{display:flex;align-items:center;gap:10px;font-size:22px;font-weight:700;color:var(--a);letter-spacing:.5px}
.s2-nav{display:flex;gap:4px;flex:1}.s2-nav a{padding:8px 14px;font-size:14px;border-radius:6px;color:#43546a}
.s2-nav a:first-child,.s2-nav a:hover{background:var(--pale);color:var(--a)}
.s2-btn{background:var(--a);color:#fff;border:0;border-radius:7px;padding:9px 20px;font-size:14px}
.s2-wrap{max-width:1160px;margin:22px auto 0}
.s2-hero{height:322px;border-radius:12px;overflow:hidden;position:relative;background:linear-gradient(120deg,#0b3f86,#1273d4 62%,#5aa7ee)}
.s2-slide{position:absolute;inset:0;padding:52px 62px;color:#fff;opacity:0;transition:opacity .7s;display:flex;flex-direction:column;justify-content:center}
.s2-slide.on{opacity:1}
.s2-slide:nth-child(2){background:linear-gradient(120deg,#0a4c86,#1686b5 65%,#64b8d6)}
.s2-slide:nth-child(3){background:linear-gradient(120deg,#123c8c,#3f65c9 65%,#8fa6ee)}
.s2-slide small{letter-spacing:4px;opacity:.82;font-size:13px}.s2-slide h1,.s2-slide h2{font-size:40px;margin:12px 0 10px;line-height:1.28;font-weight:700}
.s2-slide p{font-size:15px;opacity:.94;max-width:490px;margin:0 0 24px}
.s2-slide em{font-style:normal;align-self:flex-start;background:#fff;color:var(--a);border-radius:7px;padding:11px 26px;font-weight:700}
.s2-shape{position:absolute;right:70px;top:48px;width:240px;height:240px;border:2px solid rgba(255,255,255,.28);border-radius:34px;transform:rotate(18deg)}
.s2-shape:after{content:"";position:absolute;inset:44px;border:2px solid rgba(255,255,255,.32);border-radius:20px}
.s2-arrow{position:absolute;bottom:20px;right:62px;display:flex;gap:8px}
.s2-arrow i{width:9px;height:9px;border-radius:50%;background:rgba(255,255,255,.5);cursor:pointer}
.s2-arrow i.on{background:#fff;width:24px;border-radius:5px}
.s2-panel{display:grid;grid-template-columns:340px 1fr;gap:18px;margin-top:18px}
.s2-card{background:#fff;border-radius:12px;padding:22px;box-shadow:0 2px 12px rgba(20,60,110,.05)}
.s2-card h3{margin:0 0 4px;font-size:17px}.s2-card>p{color:var(--mut);font-size:12px;margin:0 0 16px}
.s2-card input{width:100%;height:40px;border:1px solid var(--line);border-radius:7px;padding:0 12px;margin-bottom:10px;outline:0;font-size:14px}
.s2-card .line{display:flex;gap:10px;margin-top:6px}
.s2-card .line button{flex:1;height:40px;border-radius:7px;border:0;background:var(--a);color:#fff}
.s2-card .line button:last-child{background:var(--pale);color:var(--a)}
.s2-notice li{padding:9px 0;border-bottom:1px dashed var(--line);font-size:13px;color:#53657c;display:flex;gap:10px}
.s2-notice li:last-child{border:0}.s2-notice li b{color:var(--a);font-weight:400;font-size:12px;white-space:nowrap}
.s2-sec{margin-top:20px}
.s2-hd{display:flex;align-items:flex-end;justify-content:space-between;margin-bottom:16px}
.s2-hd h2{margin:0;font-size:23px}.s2-hd h2:before{content:"";display:inline-block;width:6px;height:21px;background:var(--a);border-radius:3px;vertical-align:-3px;margin-right:10px}
.s2-hd span{font-size:13px;color:var(--mut)}
.s2-goods{display:grid;grid-template-columns:repeat(3,1fr);gap:16px}
.s2-item{background:#fff;border-radius:11px;overflow:hidden;transition:transform .2s,box-shadow .2s}
.s2-item:hover{transform:translateY(-4px);box-shadow:0 10px 26px rgba(20,70,140,.13)}
.s2-thumb{height:150px;display:flex;align-items:center;justify-content:center;color:#fff;position:relative}
.s2-thumb:after{content:"";position:absolute;inset:26px;border:1px dashed rgba(255,255,255,.55);border-radius:12px}
.s2-thumb.c1{background:#6da0d8}.s2-thumb.c2{background:#7fb3c9}.s2-thumb.c3{background:#8e9fd0}
.s2-thumb.c4{background:#6fb2a6}.s2-thumb.c5{background:#c39a7d}.s2-thumb.c6{background:#9d8fc4}
.s2-thumb svg{width:40px;height:40px;z-index:1;position:relative}
.s2-meta{padding:14px 16px 17px}
.s2-meta h3{margin:0 0 6px;font-size:15px;font-weight:600}
.s2-meta .tag{font-size:11px;color:var(--a);background:var(--pale);padding:2px 8px;border-radius:4px}
.s2-meta .pr{margin:11px 0 0;display:flex;align-items:baseline;justify-content:space-between}
.s2-meta .pr b{color:#e0552f;font-size:21px}.s2-meta .pr i{font-style:normal;color:var(--mut);font-size:12px}
.s2-meta .pr button{border:0;background:var(--a);color:#fff;border-radius:6px;padding:7px 15px;font-size:12px}
.s2-new{display:grid;grid-template-columns:repeat(6,1fr);gap:12px}
.s2-new div{background:#fff;border-radius:9px;padding:15px 10px;text-align:center;font-size:13px;color:#42546b}
.s2-new div span{display:block;color:var(--mut);font-size:11px;margin-top:5px}
.s2-svc{display:grid;grid-template-columns:repeat(4,1fr);gap:16px;margin-top:20px}
.s2-svc div{background:#fff;border-radius:11px;padding:24px 18px;text-align:center}
.s2-svc svg{color:var(--a)}.s2-svc b{display:block;margin:9px 0 4px;font-size:15px}.s2-svc p{margin:0;color:var(--mut);font-size:12px;line-height:1.7}
.s2-faq{background:#fff;border-radius:12px;padding:26px;margin-top:20px}
.s2-faq .qa{border-bottom:1px solid var(--line)}.s2-faq .qa:last-child{border:0}
.s2-faq .qa>button{width:100%;display:flex;align-items:center;gap:14px;background:none;border:0;text-align:left;padding:16px 2px;font-size:15px;font-weight:600;color:var(--ink)}
.s2-faq .qi{color:var(--a);font-size:13px}.s2-faq .qt{flex:1}.s2-faq .qs{color:var(--a);font-size:20px;font-weight:400}
.s2-faq .qb{padding:0 20px 16px 34px;color:#5c6d83;font-size:13px;line-height:1.9}
.ft{background:#16283f;color:#b9c9dc;margin-top:30px}
.fw{max-width:1160px;margin:auto;display:grid;grid-template-columns:1.5fr 1fr 1fr 1.3fr;gap:28px;padding:40px 0 26px}
.fname{display:inline-block;font-size:19px;font-weight:700;color:#fff;margin-left:9px;vertical-align:middle}
.fbrand p{font-size:12px;color:#90a6bf;line-height:1.9;margin:12px 0 0}
.fcol h4{color:#fff;font-size:14px;margin:0 0 12px}.fcol li{font-size:12px;line-height:2.1;color:#90a6bf}
.fb{border-top:1px solid #2b4059;text-align:center;padding:16px;font-size:12px;color:#7f96b0}.fb a{color:#a9c3e0}
@media(max-width:900px){.s2-panel{grid-template-columns:1fr}.s2-goods{grid-template-columns:repeat(2,1fr)}.s2-new{grid-template-columns:repeat(3,1fr)}.s2-svc,.fw{grid-template-columns:1fr 1fr}.s2-nav{display:none}.s2-slide h1,.s2-slide h2{font-size:28px}.s2-shape{display:none}}