:root{--ink:#1a1a1a;--mut:#8a8a8a;--coral:#E5543D;--line:#e6e2dc;--line2:#efece7;--paper:#faf8f5;--max:1060px}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
*{box-sizing:border-box}
body{margin:0;background:var(--paper);color:var(--ink);font-family:"Songti SC","STSong","SimSun",Georgia,serif;font-size:17px;line-height:1.9;-webkit-font-smoothing:antialiased}
img,svg{max-width:100%;height:auto}
a{color:inherit;text-decoration:none;transition:color .15s}
a:hover{color:var(--coral)}
::selection{background:#f7d9d1}
:focus-visible{outline:2px solid var(--coral);outline-offset:2px}
/* ---------- header ---------- */
.head{border-bottom:1px solid var(--line);background:var(--paper);position:sticky;top:0;z-index:20}
.head .in{max-width:var(--max);margin:0 auto;padding:18px clamp(16px,3vw,24px);display:flex;align-items:center;gap:18px;flex-wrap:wrap}
.brand{font-size:20px;line-height:1.2}
.brand a{display:flex;align-items:center;gap:10px;flex-wrap:wrap}
.brand .logo{height:clamp(26px,3.1vw,32px);width:auto;display:block}
.brand .bn-cn{font-family:"Microsoft YaHei","PingFang SC",sans-serif;font-weight:800;letter-spacing:1px}
.brand .bn-en{font-family:Georgia,serif;color:var(--coral)}
.nav{margin-left:auto;display:flex;gap:14px;flex-wrap:wrap;font-family:"Microsoft YaHei",sans-serif;font-size:13px}
.nav a{color:#555;padding:3px 0;border-bottom:1.5px solid transparent}
.nav a:hover{color:var(--coral)}
.nav a.on{color:var(--coral);border-bottom-color:var(--coral)}
.nav .cta{border:1px solid var(--coral);color:var(--coral);padding:6px 14px}
.nav .cta:hover{background:var(--coral);color:#fff}
.menu-toggle{display:none;margin-left:auto;background:none;border:1px solid var(--line);color:var(--ink);font-size:14px;padding:7px 13px;cursor:pointer;font-family:"Microsoft YaHei",sans-serif}
.subnav{border-bottom:1px solid var(--line)}
.subnav .in{max-width:var(--max);margin:0 auto;padding:10px clamp(16px,3vw,24px);display:flex;gap:18px;flex-wrap:wrap;font-family:"Microsoft YaHei",sans-serif;font-size:13px}
.subnav b{font-family:"Microsoft YaHei",sans-serif;font-size:11px;color:#c3bcb4;letter-spacing:1.5px}
.subnav a{color:#8a8a8a}.subnav a:hover{color:var(--coral)}
.subnav a.on{color:var(--ink);font-weight:700}
/* ---------- layout ---------- */
.hero{max-width:var(--max);margin:0 auto;padding:clamp(36px,6vw,64px) clamp(16px,3vw,24px) 14px}
.kicker{font-family:"Microsoft YaHei",sans-serif;font-size:11px;letter-spacing:4px;color:var(--coral);text-transform:uppercase}
.hero h1{font-size:clamp(27px,4.4vw,44px);line-height:1.34;margin:14px 0 18px;font-weight:400;letter-spacing:.2px}
.hero h1 i{color:var(--coral);font-style:normal}
.hero .lead,.hero p{font-size:clamp(16px,1.7vw,18px);color:#444;max-width:760px;margin:0}
.btn{display:inline-block;font-family:"Microsoft YaHei",sans-serif;font-size:13.5px;letter-spacing:1px;border:1px solid var(--ink);padding:12px 26px;margin:20px 10px 0 0}
.btn:hover{border-color:var(--coral);color:var(--coral)}
.btn.g{border-color:var(--line);color:#8a8a8a}.btn.g:hover{color:var(--coral)}
.hr{max-width:var(--max);margin:clamp(20px,3vw,28px) auto;border-top:1px solid var(--line)}
.wrap{max-width:var(--max);margin:0 auto;padding:6px clamp(16px,3vw,24px) clamp(40px,6vw,56px)}
h2{font-family:"Microsoft YaHei",sans-serif;font-size:12.5px;letter-spacing:3px;color:var(--coral);margin:44px 0 12px;font-weight:700}
.wrap>h2:first-child,.wrap>p:first-child+h2{margin-top:6px}
h3{font-size:clamp(17px,1.9vw,19px);font-weight:400;margin:0 0 5px;line-height:1.5}
p{margin:0 0 14px}
.lead{font-size:clamp(16px,1.7vw,18px);color:#444}
/* ---------- components ---------- */
.item{display:flex;gap:clamp(14px,2.4vw,22px);padding:17px 0;border-bottom:1px solid var(--line)}
.item:last-child{border-bottom:0}
.item .no{font-family:Georgia,serif;font-size:22px;color:var(--coral);min-width:38px;line-height:1.4}
.item p{margin:0;color:#555}
.quote{border-left:2px solid var(--coral);padding:4px 0 4px 22px;color:#444;font-size:clamp(15px,1.7vw,16.5px);margin:16px 0;line-height:1.9}
.cards{display:grid;grid-template-columns:repeat(auto-fit,minmax(230px,1fr));gap:16px;margin:16px 0 4px}
.card{border:1px solid var(--line);background:#fff;padding:22px 22px 20px;transition:border-color .15s}
.card:hover{border-color:var(--coral)}
.card h3{margin:0 0 6px}.card p{color:#666;font-size:14.5px;margin:0}
.grid2{display:grid;grid-template-columns:repeat(auto-fill,minmax(330px,1fr));gap:0 clamp(18px,3vw,34px)}
.bl{border-bottom:1px solid var(--line);padding:15px 0}
.bl .nm{display:flex;justify-content:space-between;align-items:baseline;gap:12px}
.bl .nm h3{margin:0}
.bl .sub{font-family:"Microsoft YaHei",sans-serif;font-size:12px;color:var(--mut);margin-top:2px}
.bl .sc{font-family:Georgia,serif;font-size:20px;white-space:nowrap}
.bl .bd{font-family:"Microsoft YaHei",sans-serif;font-size:12px;color:var(--coral)}
.tag{font-family:"Microsoft YaHei",sans-serif;font-size:11px;color:var(--coral);border:1px solid var(--coral);padding:1px 7px;margin-left:8px;white-space:nowrap}
.pill{display:inline-block;font-family:"Microsoft YaHei",sans-serif;font-size:11.5px;color:#666;border:1px solid var(--line);border-radius:999px;padding:3px 11px;margin:4px 8px 0 0}
table{width:100%;border-collapse:collapse;font-size:14.5px;margin:10px 0}
th,td{padding:10px 12px;border-bottom:1px solid var(--line);text-align:left;vertical-align:top}
th{font-family:"Microsoft YaHei",sans-serif;font-size:12px;letter-spacing:1px;color:var(--coral);white-space:nowrap}
.subtabs{display:flex;gap:22px;margin:16px 0;border-bottom:1px solid var(--line)}
.subtabs button{background:none;border:0;font-family:"Microsoft YaHei",sans-serif;font-size:14px;color:#8a8a8a;padding:11px 0;cursor:pointer;border-bottom:2px solid transparent}
.subtabs button:hover{color:var(--ink)}
.subtabs button.on{color:var(--ink);border-bottom-color:var(--coral);font-weight:700}
.panel{display:none}.panel.on{display:block}
.ph{border:1px dashed var(--line);color:var(--mut);padding:20px 22px;font-family:"Microsoft YaHei",sans-serif;font-size:13.5px;margin:14px 0;background:#fffdfb}
.q{border-bottom:1px solid var(--line);padding:15px 0}
.q .qt{font-size:clamp(15px,1.8vw,16.5px);margin-bottom:9px}
.q label{font-family:"Microsoft YaHei",sans-serif;font-size:13.5px;color:#555;margin-right:20px;cursor:pointer;display:inline-block;padding:2px 0}
.res{border:1px solid var(--coral);padding:22px;margin-top:18px;display:none;background:#fff}
.res b{font-family:Georgia,serif;font-size:34px;color:var(--coral)}
.foot{max-width:var(--max);margin:22px auto 0;padding:24px clamp(16px,3vw,24px);border-top:2px solid var(--ink);font-family:"Microsoft YaHei",sans-serif;font-size:12px;color:var(--mut);line-height:2}
img.st{height:1.12em;width:auto;vertical-align:-.22em;margin:0 2px}
/* ---------- responsive (fluid above; these handle reflow) ---------- */
@media(max-width:1200px){.grid2{grid-template-columns:repeat(auto-fill,minmax(300px,1fr))}}
/* 页首：窄屏收起为汉堡菜单（logo 与栏目同行需 ≥1020px；此前修正了品牌+栏目宽于容器导致换行的问题） */
@media(max-width:1020px){
 .head .in{padding:14px 18px;gap:12px}
 .menu-toggle{display:inline-block}
 .nav{display:none;width:100%;flex-direction:column;gap:0;margin-left:0;padding:4px 0 10px}
 body.nav-open .nav{display:flex}
 .nav a{padding:12px 2px;border-bottom:1px solid var(--line2)}
 .nav a.on{border-bottom-color:var(--line2)}
 .nav .cta{border:0;padding:12px 2px;color:var(--coral)}
}
@media(max-width:860px){
 .subnav .in{flex-wrap:nowrap;overflow-x:auto;white-space:nowrap;-webkit-overflow-scrolling:touch}
 .subnav b{display:none}
 .grid2{grid-template-columns:1fr}
 .cards{grid-template-columns:1fr}
 table{display:block;overflow-x:auto;white-space:nowrap}
 .wrap>h2:first-child{margin-top:2px}
}