*{margin:0;padding:0;box-sizing:border-box}
:root{--lv-a:#f59e0b;--lv-bg:#171310;--lv-panel:#211a15;--lv-line:#382d24;--lv-ink:#f2ece5;--lv-mute:#a89887}
body{font-family:"Optima","Palatino Linotype","PingFang SC","Microsoft YaHei",serif;background:var(--lv-bg);color:var(--lv-ink);line-height:1.9;font-size:16px}
a{color:var(--lv-a);text-decoration:none}a:hover{color:#fbbf24}
.lv-c{max-width:880px;margin:0 auto;padding:0 24px}
.lv-bar{border-bottom:1px solid var(--lv-line)}
.lv-bar-in{max-width:880px;margin:0 auto;padding:0 24px;height:66px;display:flex;align-items:center;justify-content:space-between}
.lv-logo{font-size:20px;letter-spacing:2px;color:var(--lv-ink)}.lv-logo b{color:var(--lv-a);font-weight:400}
.lv-menu{display:flex;gap:26px;font-size:15px}.lv-menu a{color:var(--lv-mute)}.lv-menu a.on,.lv-menu a:hover{color:var(--lv-a)}
.lv-hero{padding:64px 0 52px;background:linear-gradient(160deg,#2a1f14 0%,#171310 68%);border-bottom:1px solid var(--lv-line)}
.lv-hero h1{font-size:34px;line-height:1.4;font-weight:400;letter-spacing:1px}
.lv-hero p{margin-top:18px;color:var(--lv-mute);max-width:620px}
.lv-tl{margin-top:44px;border-left:1px solid var(--lv-line);padding-left:26px}
.lv-node{position:relative;padding:0 0 30px}
.lv-node::before{content:"";position:absolute;left:-31px;top:9px;width:9px;height:9px;border-radius:50%;background:var(--lv-a)}
.lv-node h3{font-size:19px;font-weight:400;line-height:1.6;margin-bottom:8px}
.lv-node p{color:var(--lv-mute);font-size:15px}
.lv-node .lv-d{font-size:12.5px;color:#7d6e5e;letter-spacing:1px;margin-top:9px}
.lv-bc{font-size:13px;color:var(--lv-mute);padding:22px 0 0}
.lv-art{padding:14px 0 40px}
.lv-art h1{font-size:29px;font-weight:400;line-height:1.5;letter-spacing:.5px;margin-bottom:13px}
.lv-art .lv-d{font-size:13px;color:#7d6e5e;padding-bottom:20px;border-bottom:1px solid var(--lv-line);margin-bottom:26px}
.lv-art h2{font-size:20px;font-weight:400;margin:30px 0 12px;color:#fbbf24}
.lv-art p{margin-bottom:16px;color:#ddd2c6}
.lv-art ul{margin:0 0 16px 22px;color:#ddd2c6}.lv-art li{margin-bottom:8px}
.lv-note{border-left:2px solid var(--lv-a);padding:8px 0 8px 18px;margin:22px 0;color:#c9bba9;font-size:15px}
.lv-foot{border-top:1px solid var(--lv-line);margin-top:48px;padding:24px 0}
.lv-foot-in{max-width:880px;margin:0 auto;padding:0 24px;font-size:13px;color:var(--lv-mute);display:flex;justify-content:space-between;flex-wrap:wrap;gap:8px}
@media(max-width:720px){.lv-hero h1,.lv-art h1{font-size:24px}.lv-menu{gap:16px;font-size:14px}}