:root{--oc-navy:#0b2344;--oc-gold:#c6a03a;--oc-paper:#f7f5ef;--oc-line:#ddd4bf;--oc-ink:#0c2546;--oc-text:#505967}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{margin:0;padding-top:0;padding-bottom:60px;background:#e9edf1;color:var(--oc-text);font-family:"Noto Serif SC","Songti SC","STSong","PingFang SC","Microsoft YaHei",serif;letter-spacing:0}
a{color:inherit;text-decoration:none}
button,input,select,textarea{font:inherit;letter-spacing:0}
.ph,.ph:before{font-family:"Phosphor"!important}
.oc-shell{width:100%;max-width:760px;min-height:100vh;margin:auto;background:#fff;box-shadow:0 0 35px rgba(8,31,59,.1)}
.oc-header{display:flex;align-items:center;justify-content:space-between;min-height:68px;padding:10px 15px;border-bottom:1px solid #e7ebef;background:#fff}
.oc-header>a:first-child{min-width:0}.oc-header img{display:block;width:min(76vw,330px);height:auto}
.oc-menu-button{display:flex;flex:0 0 43px;align-items:center;justify-content:center;flex-direction:column;gap:1px;width:43px;height:45px;padding:0;border:0;background:transparent;color:var(--oc-navy);font-size:9px}.oc-menu-button i{font-size:23px}.oc-nav{top:68px}.oc-nav-backdrop{top:68px}
.oc-intro{padding:54px 22px 46px;border-top:5px solid var(--oc-gold);background:var(--oc-navy);color:#fff}
.oc-intro>p,.oc-quote header>p{margin:0 0 15px;color:var(--oc-gold);font:10px/1.4 Georgia,serif;letter-spacing:4px}
.oc-intro h1{margin:0 0 12px;color:#fff;font-size:36px;font-weight:600}
.oc-intro>span{color:rgba(255,255,255,.58);font-size:13px}
.oc-trust{display:flex;flex-wrap:wrap;gap:9px 18px;margin-top:29px;padding-top:20px;border-top:1px solid rgba(255,255,255,.15)}
.oc-trust b{display:flex;align-items:center;gap:6px;color:rgba(255,255,255,.76);font-size:11px;font-weight:400}.oc-trust i{color:var(--oc-gold);font-size:17px}
.oc-panel,.oc-quote{padding:28px 18px 34px}
.oc-assistant{display:grid;grid-template-columns:46px minmax(0,1fr) auto;gap:11px;align-items:center}
.oc-avatar{display:grid;place-items:center;width:46px;height:46px;background:var(--oc-navy);color:var(--oc-gold);font-size:23px}
.oc-assistant strong,.oc-assistant span{display:block}.oc-assistant strong{color:var(--oc-ink);font-size:15px}.oc-assistant span{margin-top:3px;color:#89919d;font-size:10px}
.oc-assistant em{color:#28845a;font-size:10px;font-style:normal}.oc-assistant em:before{display:inline-block;width:6px;height:6px;margin-right:5px;border-radius:50%;background:#36a873;content:""}
.oc-quick{display:flex;gap:7px;margin:20px -18px 0;padding:0 18px 10px;overflow-x:auto;scrollbar-width:none}.oc-quick::-webkit-scrollbar{display:none}
.oc-quick button{flex:0 0 auto;padding:8px 11px;border:1px solid var(--oc-line);border-radius:0;background:#fff;color:var(--oc-ink);font-size:11px}
.oc-chat{display:flex;flex-direction:column;gap:14px;min-height:260px;max-height:520px;margin-top:12px;padding:19px 0;overflow-y:auto;border-top:1px solid #e7e1d5}
.oc-message{display:flex;gap:9px;align-items:flex-start}.oc-message>i{display:grid;flex:0 0 31px;place-items:center;width:31px;height:31px;background:var(--oc-navy);color:var(--oc-gold);font-size:16px}
.oc-message>div{max-width:86%;padding:12px 14px;background:var(--oc-paper);color:#3f4956;font-size:13px;line-height:1.85;white-space:pre-wrap;overflow-wrap:anywhere}
.oc-message.is-user{justify-content:flex-end}.oc-message.is-user>i{display:none}.oc-message.is-user>div{background:var(--oc-navy);color:#fff}
.oc-message.is-loading>div{color:#8a929d}.oc-message.is-error>div{border-left:3px solid #b34b44;background:#fff3f1;color:#8d3530}
.oc-form{display:grid;grid-template-columns:minmax(0,1fr) 50px;border:1px solid var(--oc-line)}
.oc-form textarea{width:100%;min-height:82px;padding:12px;border:0;outline:0;resize:none;color:var(--oc-ink);font-size:13px;line-height:1.7}
.oc-form button{border:0;background:var(--oc-gold);color:var(--oc-navy);font-size:22px}
.oc-form button:disabled{opacity:.55}.oc-disclaimer,.oc-policy-note{margin:11px 0 0;color:#9299a3;font-size:9px;line-height:1.7}
.oc-quote{background:var(--oc-paper)}
.oc-quote header h2{margin:0;color:var(--oc-ink);font-size:28px;font-weight:600}.oc-quote header>span{display:block;margin-top:7px;color:#7d8590;font-size:11px}
.oc-quote form{display:grid;gap:16px;margin-top:25px}.oc-quote label>span{display:block;margin-bottom:7px;color:var(--oc-ink);font-size:12px;font-weight:600}
.oc-quote select,.oc-quote input[type=number]{width:100%;height:48px;padding:0 12px;border:1px solid var(--oc-line);border-radius:0;outline:0;background:#fff;color:var(--oc-ink);font-size:13px}
.oc-options{display:grid;grid-template-columns:1fr 1fr;gap:8px}.oc-options label{display:flex;align-items:center;gap:6px;padding:10px;border:1px solid var(--oc-line);background:#fff;font-size:10px}
.oc-quote form>button{display:flex;align-items:center;justify-content:center;gap:7px;height:50px;border:0;background:var(--oc-navy);color:#fff;font-size:13px}
.oc-quote-result{margin-top:18px;padding:18px;border-left:4px solid var(--oc-gold);background:#fff;color:#4d5662;font-size:12px;line-height:1.8}
.oc-quote-result strong{display:block;color:var(--oc-ink);font-size:17px}.oc-quote-result b{color:var(--oc-gold)}
.oc-human{display:grid;grid-template-columns:42px minmax(0,1fr);gap:12px;padding:30px 20px 105px;background:#fff}
.oc-human>i{display:grid;place-items:center;width:42px;height:42px;border:1px solid var(--oc-gold);color:var(--oc-gold);font-size:21px}
.oc-human strong{color:var(--oc-ink);font-size:15px}.oc-human p{margin:5px 0 0;font-size:11px;line-height:1.7}
.oc-human>a{grid-column:1/-1;padding:13px 14px;border:1px solid var(--oc-line);color:var(--oc-ink);font-size:12px}.oc-human>a:first-of-type{border-color:var(--oc-gold);background:var(--oc-gold);text-align:center;font-weight:700}
.oc-pc-header,.oc-pc-footer,.oc-pc-go-top{display:none}
@media(min-width:600px){.oc-panel,.oc-quote{padding-right:40px;padding-left:40px}.oc-quick{margin-right:-40px;margin-left:-40px;padding-right:40px;padding-left:40px}.oc-human{padding-right:40px;padding-left:40px}}
@media(min-width:768px){
body{padding-top:88px;padding-bottom:0;background:#f5f7fa}
.oc-pc-header,.oc-pc-footer,.oc-pc-go-top{display:block}
.oc-header,.mb-bottom-bar{display:none!important}
.oc-shell{max-width:none;min-height:0;background:#f5f7fa;box-shadow:none}
.oc-shell main{display:grid;grid-template-columns:minmax(0,1.15fr) minmax(350px,.85fr);gap:24px;width:1170px;max-width:calc(100% - 30px);margin:auto;padding:48px 0 70px}
.oc-intro{grid-column:1/-1;padding:50px 52px 44px;border-top-width:4px}
.oc-intro h1{font-size:42px}.oc-intro>span{font-size:14px}.oc-trust{margin-top:24px}
.oc-panel,.oc-quote{padding:34px 36px;border:1px solid #dfe5ec;background:#fff}
.oc-quote{align-self:start;background:#fff}
.oc-quick{margin-right:-36px;margin-left:-36px;padding-right:36px;padding-left:36px}
.oc-chat{min-height:330px}
.oc-human{grid-column:1/-1;grid-template-columns:48px minmax(0,1fr) 210px 220px;align-items:center;padding:26px 30px;border:1px solid #dfe5ec}
.oc-human>a{grid-column:auto;text-align:center}
.oc-human>a:first-of-type{height:46px}
.oc-pc-footer{padding-top:88px}
}
@media(min-width:768px) and (max-width:1199px){
.oc-shell main{grid-template-columns:minmax(0,1fr) 360px}
.oc-pc-footer .pc-footer-main{gap:55px}
}