:root{
--bg:#F4F2EE;--bg2:#E9E6E0;--card:#FFFFFF;
--ink:#241C16;--ink2:#5C4C40;--ink3:#8A7B70;
--primary:#7B4A28;--primary-d:#4A2A12;--primary-l:#C58A54;
--navy:#274B63;--navy-d:#18313F;--navy-l:#3E6E8C;
--amber:#F0B429;--amber-d:#C98F12;
--line:#DBD6CD;--line2:#EDE9E2;
}
*{box-sizing:border-box}
html{-webkit-text-size-adjust:100%}
body{margin:0;background:var(--bg);color:var(--ink);font-family:"Microsoft YaHei","PingFang SC","Hiragino Sans GB","Source Han Sans SC",sans-serif;font-size:16px;line-height:1.85}
img{max-width:100%;height:auto;display:block}
a{color:var(--primary)}
.wrap{max-width:1140px;margin:0 auto;padding:0 20px}
.top{position:sticky;top:0;z-index:60;background:#F4F2EE;border-bottom:1px solid var(--line)}
.top__in{display:flex;align-items:center;gap:14px;min-height:66px;padding-top:8px;padding-bottom:8px}
.brand{display:flex;align-items:center;gap:10px;text-decoration:none;color:var(--ink);font-weight:800;font-size:19px;letter-spacing:.5px;flex:0 0 auto}
.brand img{width:38px;height:38px;flex:0 0 38px}
.nav{display:flex;gap:4px;margin-left:auto;flex-wrap:wrap;align-items:center}
.nav a{display:block;padding:7px 11px;font-size:15px;color:var(--ink2);text-decoration:none;border-radius:3px;white-space:nowrap}
.nav a:hover{color:var(--primary);background:#fff}
.nav a[aria-current="page"]{color:var(--primary);font-weight:700;background:#fff;box-shadow:inset 0 -2px 0 var(--navy)}
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;padding:12px 22px;border-radius:4px;background:linear-gradient(135deg,var(--primary),var(--primary-d));color:#fff;font-weight:700;font-size:15px;line-height:1.4;text-decoration:none;border:0;cursor:pointer}
.btn:hover{background:linear-gradient(135deg,#8C5530,var(--primary-d));color:#fff}
.btn--sm{padding:9px 16px;font-size:14px}
.btn--ghost{background:#fff;color:var(--ink);box-shadow:inset 0 0 0 1.5px var(--line)}
.btn--ghost:hover{background:#fff;color:var(--primary);box-shadow:inset 0 0 0 1.5px var(--primary)}
.btn--amber{background:linear-gradient(135deg,var(--amber),var(--amber-d));color:#3A2600}
.btn--amber:hover{background:linear-gradient(135deg,#F6C44F,var(--amber));color:#3A2600}
.top .btn{flex:0 0 auto;color:#fff}
.top .btn:hover{color:#fff}
.top .btn--ghost{color:var(--ink)}
.hero{position:relative;padding:56px 0 48px;border-bottom:8px solid var(--navy);background-image:repeating-linear-gradient(0deg,rgba(39,75,99,.06) 0 1px,transparent 1px 26px),repeating-linear-gradient(90deg,rgba(39,75,99,.06) 0 1px,transparent 1px 26px)}
.hero::before{content:"";position:absolute;left:0;top:0;bottom:0;width:6px;background:var(--navy)}
.hero__in{display:grid;grid-template-columns:1.12fr .88fr;gap:44px;align-items:center}
.hero h1{font-size:42px;line-height:1.24;letter-spacing:.5px;margin:0 0 16px;color:var(--ink)}
.hero .lead{margin:0 0 22px;font-size:16.5px;line-height:2;color:var(--ink2)}
.hero__btns{display:flex;gap:12px;flex-wrap:wrap;margin-bottom:14px}
.hero__note{font-size:14px;color:var(--ink3);line-height:1.8}
.hero__shot{margin:0;max-width:312px;margin-left:auto}
.hero__shot img{width:100%;height:auto;border-radius:6px;box-shadow:0 0 0 5px #fff,0 18px 36px rgba(36,28,22,.18)}
.band{background:linear-gradient(135deg,var(--navy-d),var(--navy));color:#F3EFE8;padding:28px 0}
.band__g{display:grid;grid-template-columns:repeat(4,1fr);gap:18px;text-align:center}
.band__i{padding:2px 10px}
.band__i+.band__i{border-left:1px solid rgba(255,255,255,.16)}
.band b{display:block;font-size:28px;line-height:1.3;color:var(--amber);letter-spacing:.5px}
.band span{font-size:14px;opacity:.86}
section{padding:64px 0}
.sec--alt{background:var(--bg2)}
.sh{margin-bottom:32px;max-width:780px}
.sh h2{position:relative;margin:0 0 14px;padding:0 0 14px 30px;font-size:30px;line-height:1.35;color:var(--ink);border-bottom:2px solid var(--line)}
.sh h2::before{content:"";position:absolute;left:0;top:7px;width:14px;height:14px;background:var(--navy)}
.sh .sub{margin:0;font-size:16px;line-height:1.95;color:var(--ink2)}
.cards{display:grid;grid-template-columns:repeat(3,1fr);gap:22px}
.card{position:relative;background:var(--card);border:1px solid var(--line);border-radius:3px;padding:22px 20px 20px 28px}
.card::before{content:"";position:absolute;left:0;top:0;bottom:0;width:3px;background:var(--navy)}
.card::after{content:"";position:absolute;left:11px;top:12px;width:11px;height:11px;border:1.5px solid var(--line);border-radius:50%;background:var(--bg)}
.card h3{margin:0 0 10px;font-size:18px;line-height:1.5;color:var(--ink)}
.card p{margin:0;font-size:15px;line-height:1.95;color:var(--ink2)}
.card:hover::before{width:7px}
.card:hover h3{color:var(--primary)}
.steps{counter-reset:s;display:grid;grid-template-columns:repeat(4,1fr);gap:22px;margin:0;padding:0;list-style:none}
.steps li{counter-increment:s;position:relative;background:var(--card);border-radius:3px;padding:20px 18px 20px 22px;box-shadow:inset 3px 0 0 var(--amber)}
.steps li::before{content:counter(s,decimal-leading-zero);display:block;margin-bottom:8px;font-size:13px;font-weight:800;letter-spacing:1px;color:var(--amber-d)}
.steps li::after{content:"";position:absolute;right:-13px;top:50%;width:14px;height:2px;background:var(--line)}
.steps li:last-child::after{display:none}
.steps h3{margin:0 0 8px;font-size:17px;color:var(--ink)}
.steps p{margin:0;font-size:14.5px;line-height:1.9;color:var(--ink2)}
.split{display:grid;grid-template-columns:1fr 1fr;gap:44px;align-items:center}
.split+.split{margin-top:56px}
.split__fig{margin:0}
.split__fig img{width:100%;height:auto;max-width:336px;margin:0 auto;border-radius:6px;box-shadow:0 0 0 5px #fff,0 14px 30px rgba(36,28,22,.15)}
.split__tx h3{margin:0 0 12px;font-size:22px;line-height:1.5;color:var(--ink)}
.split__tx p{margin:0 0 14px;font-size:15.5px;line-height:2.05;color:var(--ink2)}
.split__tx ul{margin:0 0 16px;padding-left:20px}
.split__tx li{font-size:15.5px;line-height:2;color:var(--ink2)}
.rail{display:grid;grid-template-columns:repeat(5,1fr);gap:16px}
.rail figure{margin:0}
.rail img{width:100%;height:auto;border-radius:5px;box-shadow:0 0 0 4px #fff,0 10px 22px rgba(36,28,22,.14)}
.rail figcaption{margin-top:10px;font-size:13.5px;line-height:1.7;color:var(--ink3)}
.trio{display:grid;grid-template-columns:repeat(3,1fr);gap:22px}
.quote{position:relative;background:var(--card);border:1px solid var(--line);border-radius:3px;padding:20px 20px 18px 26px}
.quote::before{content:"";position:absolute;left:0;top:0;bottom:0;width:3px;background:var(--amber)}
.quote p{margin:0 0 12px;font-size:15px;line-height:1.95;color:var(--ink2)}
.quote cite{display:block;font-size:13.5px;font-style:normal;color:var(--ink3)}
.faq{display:grid;grid-template-columns:1fr 1fr;gap:16px;align-items:start}
.grp h2{margin:0 0 20px;padding-bottom:10px;font-size:26px;line-height:1.45;color:var(--ink);border-bottom:1px solid var(--line)}
.grp figure{margin:0 auto 26px;max-width:380px}
.grp figure img{width:100%;height:auto;border-radius:5px;box-shadow:0 0 0 4px #fff,0 10px 24px rgba(36,28,22,.14)}
.grp figcaption{margin-top:10px;font-size:13.5px;line-height:1.75;color:var(--ink3);text-align:center}
details{background:var(--card);border:1px solid var(--line);border-radius:3px}
summary{cursor:pointer;padding:15px 18px;font-size:15.5px;font-weight:700;line-height:1.7;color:var(--ink);list-style:none}
summary::-webkit-details-marker{display:none}
summary::after{content:"＋";float:right;color:var(--primary);font-weight:400}
details[open] summary::after{content:"－"}
details p{margin:0;padding:0 18px 16px;font-size:15px;line-height:1.95;color:var(--ink2)}
.entries{display:grid;grid-template-columns:repeat(2,1fr);gap:20px}
.entry{position:relative;display:block;background:var(--card);border:1px solid var(--line);border-radius:3px;padding:22px 22px 20px 28px;text-decoration:none}
.entry::before{content:"";position:absolute;left:0;top:0;bottom:0;width:3px;background:var(--primary-l)}
.entry h3{margin:0 0 9px;font-size:19px;color:var(--ink)}
.entry p{margin:0 0 10px;font-size:15px;line-height:1.9;color:var(--ink2)}
.entry b{font-size:14px;color:var(--navy)}
.entry:hover{box-shadow:0 12px 26px rgba(36,28,22,.1)}
.entry:hover::before{width:7px}
.entry:hover h3{color:var(--primary)}
.page-hero{background:var(--bg2);border-bottom:6px solid var(--navy);padding:44px 0 38px}
.page-hero h1{margin:0 0 16px;font-size:34px;line-height:1.32;color:var(--ink)}
.page-hero .lead{margin:0;max-width:860px;font-size:16px;line-height:2.05;color:var(--ink2)}
.crumb{margin:0 0 16px;font-size:14px;color:var(--ink3)}
.crumb a{color:var(--ink3);text-decoration:none}
.crumb a:hover{color:var(--primary)}
.prose{max-width:920px}
.prose h2{margin:40px 0 16px;padding-bottom:10px;font-size:26px;line-height:1.45;color:var(--ink);border-bottom:1px solid var(--line)}
.prose h2:first-child{margin-top:0}
.prose h3{margin:26px 0 10px;font-size:19px;line-height:1.55;color:var(--ink)}
.prose p{margin:0 0 18px;font-size:16px;line-height:2.1;color:var(--ink2)}
.prose ul,.prose ol{margin:0 0 18px;padding-left:22px}
.prose li{margin-bottom:8px;font-size:16px;line-height:2;color:var(--ink2)}
.prose a{color:var(--primary);text-decoration:underline}
.prose strong{color:var(--ink)}
.prose figure{margin:28px auto;max-width:400px}
.prose figure img{width:100%;height:auto;border-radius:5px;box-shadow:0 0 0 4px #fff,0 10px 24px rgba(36,28,22,.14)}
.prose figcaption{margin-top:10px;font-size:13.5px;line-height:1.75;color:var(--ink3);text-align:center}
.prose table{width:100%;border-collapse:collapse;margin:0 0 20px;font-size:15px}
.prose th,.prose td{border:1px solid var(--line);padding:10px 12px;text-align:left;line-height:1.8}
.prose th{background:var(--bg2);color:var(--ink);font-weight:700}
.aside{margin:0 0 22px;border-left:4px solid var(--navy);padding:4px 0 4px 18px}
.aside h3{margin:0 0 8px;font-size:17px}
.aside p{margin:0;font-size:15px;line-height:1.95}
.aside ul{margin:0;padding-left:20px}
.aside li{font-size:15px;line-height:1.95;margin-bottom:6px}
.cta{background:linear-gradient(135deg,var(--navy-d),var(--primary-d));padding:56px 0}
.cta h2{margin:0 0 14px;font-size:30px;line-height:1.4;color:#fff}
.cta p{margin:0 0 24px;max-width:760px;font-size:16px;line-height:1.95;color:rgba(243,239,232,.88)}
.cta__btns{display:flex;gap:12px;flex-wrap:wrap}
.cta .btn{color:#fff}
.cta .btn:hover{color:#fff}
.cta .btn--ghost{background:#FFF6E4;color:var(--ink);box-shadow:none}
.cta .btn--ghost:hover{background:#fff;color:var(--primary);box-shadow:none}
.foot{background:var(--navy-d);color:#C8D6DF;padding:46px 0 26px;font-size:14.5px}
.foot__g{display:grid;grid-template-columns:1.5fr 1fr 1fr;gap:30px}
.foot h4{margin:0 0 12px;font-size:16px;color:#fff}
.foot p{margin:0 0 12px;line-height:1.95;color:#A9BDC9}
.foot a{display:block;padding:4px 0;color:#C8D6DF;text-decoration:none}
.foot a:hover{color:var(--amber)}
.foot__brand{display:flex;align-items:center;gap:10px;margin-bottom:14px}
.foot__brand img{width:34px;height:34px}
.foot__brand b{font-size:17px;color:#fff}
.foot .btn{display:inline-flex;padding:9px 16px;font-size:14px;color:#fff;background:linear-gradient(135deg,var(--primary),var(--primary-d));box-shadow:none}
.foot .btn:hover{color:#fff;background:linear-gradient(135deg,#8C5530,var(--primary-d))}
.copy{margin-top:28px;padding-top:18px;border-top:1px solid rgba(255,255,255,.14);font-size:13.5px;line-height:1.95;color:#93A9B7}
@keyframes wipe{from{clip-path:inset(0 100% 0 0);opacity:.3}to{clip-path:inset(0 0 0 0);opacity:1}}
@keyframes fade{from{opacity:0}to{opacity:1}}
.wipe{animation:wipe .62s cubic-bezier(.25,.8,.3,1) both}
.fade{animation:fade .72s ease both}
.d1{animation-delay:.1s}
.d2{animation-delay:.2s}
.d3{animation-delay:.32s}
@media (prefers-reduced-motion:reduce){.wipe,.fade{animation:none;opacity:1;clip-path:none}}
@media (max-width:980px){
.hero{padding:44px 0 40px}
.hero__in{grid-template-columns:1fr;gap:30px}
.hero h1{font-size:34px}
.hero__shot{max-width:296px;margin:0 auto}
.top__in{gap:10px}
.nav{flex-wrap:nowrap;overflow-x:auto;gap:2px}
.nav a{padding:7px 9px;font-size:14.5px}
.band__g{grid-template-columns:1fr 1fr;gap:16px}
.band__i+.band__i{border-left:0}
.cards,.trio,.entries,.faq,.steps{grid-template-columns:1fr 1fr}
.steps li::after{display:none}
.rail{grid-template-columns:repeat(3,1fr)}
.split{grid-template-columns:1fr;gap:28px}
.split+.split{margin-top:44px}
.foot__g{grid-template-columns:1fr 1fr}
section{padding:52px 0}
}
@media (max-width:620px){
.hero{padding:34px 0 30px}
.hero h1{font-size:29px}
.hero .lead{font-size:15.5px}
.hero__shot{max-width:272px}
.top__in{flex-wrap:wrap;min-height:0;padding-top:8px;padding-bottom:0}
.brand{order:1}
.top .btn{order:2;margin-left:auto}
.nav{order:3;flex:0 0 100%;margin-left:0;padding:2px 0 8px;gap:0}
.nav a{padding:6px 6px;font-size:13px}
.wrap{padding:0 16px}
.cards,.trio,.entries,.faq,.steps,.split,.foot__g{grid-template-columns:1fr}
.rail{grid-template-columns:repeat(2,1fr)}
.sh h2,.page-hero h1{font-size:24px}
.cta h2{font-size:24px}
.page-hero{padding:32px 0 28px}
.prose figure{max-width:320px}
.split__fig img{max-width:300px}
section{padding:44px 0}
.brand{font-size:17px}
.brand img{width:34px;height:34px;flex:0 0 34px}
}