:root{--ink:#202b30;--muted:#59666b;--paper:#f6f3ed;--white:#fffefa;--line:#dcd8d0;--orange:#f39910;--forest:#262c32;--max:1040px}
*{box-sizing:border-box}html{scroll-behavior:smooth}body{margin:0;background:var(--paper);color:var(--ink);font:16px/1.8 Arial,"PingFang SC","Microsoft YaHei",sans-serif;-webkit-font-smoothing:antialiased}a{color:inherit;text-underline-offset:4px}a:focus-visible{outline:3px solid var(--orange);outline-offset:3px}.wrap{width:min(var(--max),calc(100% - 48px));margin:auto}.site-head{height:76px;display:flex;align-items:center;justify-content:space-between;border-bottom:1px solid var(--line)}.logo{width:172px;height:auto}.site-head a:last-child{font-size:13px;font-weight:700;text-decoration:none}.crumb{font-size:12px;color:var(--muted);padding:25px 0}.crumb a{color:#825000}.article{max-width:790px;margin:0 auto 72px;background:var(--white);padding:clamp(26px,6vw,64px)}.eyebrow{color:#9b5b00;font-size:12px;font-weight:750;letter-spacing:.08em}.article h1{font-size:clamp(32px,5vw,48px);line-height:1.25;letter-spacing:-.04em;margin:12px 0 18px}.meta{font-size:12px;color:var(--muted);border-bottom:1px solid var(--line);padding-bottom:22px}.intro{font-size:18px;line-height:1.9;color:#3d4b4f;margin:26px 0 34px}.article h2{font-size:24px;line-height:1.45;margin:38px 0 12px}.article h3{font-size:18px;margin:25px 0 8px}.article p,.article li{font-size:15px;color:#354247}.article ul,.article ol{padding-left:1.4em}.note{border-left:3px solid var(--orange);padding:14px 18px;background:#fbf1df;color:#4b4538;font-size:14px;margin:22px 0}.source{font-size:12px;color:var(--muted)}.source a{color:#805000}.contact{background:var(--forest);color:#fff;padding:30px;margin-top:42px}.contact p{color:#d8dce0;font-size:13px}.contact a{display:inline-block;background:var(--orange);color:var(--ink);padding:11px 16px;text-decoration:none;font-weight:750;font-size:13px;margin:0 8px 8px 0}.site-foot{background:#1e2328;color:#e6eae5;padding:22px 0;font-size:12px}.site-foot .wrap{display:flex;justify-content:space-between;gap:20px;flex-wrap:wrap}.site-foot a{color:#fff}.cards{display:grid;grid-template-columns:repeat(2,1fr);gap:16px}.card{background:var(--white);border:1px solid var(--line);padding:24px;text-decoration:none}.card:hover{border-color:var(--orange)}.card small{color:#9b5b00;font-weight:700}.card h2{font-size:20px;margin:12px 0 7px}.card p{font-size:13px;color:var(--muted);margin:0}
@media(max-width:650px){.wrap{width:calc(100% - 32px)}.site-head{height:66px}.logo{width:140px}.site-head a:last-child{font-size:12px}.crumb{padding:18px 0}.article{margin-bottom:40px;padding:26px 20px}.intro{font-size:16px}.article h2{font-size:21px}.article p,.article li{font-size:14px}.cards{grid-template-columns:1fr}.site-foot .wrap{display:block}.site-foot .wrap span{display:block;margin-top:5px}}
.site-nav{display:flex;align-items:center;gap:16px;font-size:11px;white-space:nowrap}.site-nav a{text-decoration:none}.site-nav a:hover{color:#855000}.phone{background:var(--orange);padding:8px 10px;font-size:10px;font-weight:750;text-decoration:none;white-space:nowrap}.mobile-menu{display:none;position:relative}.mobile-menu summary{list-style:none;cursor:pointer;border:1px solid var(--line);padding:6px 8px;font-size:11px}.mobile-menu summary::-webkit-details-marker{display:none}.mobile-menu nav{position:absolute;right:0;top:38px;z-index:5;min-width:175px;padding:8px;background:var(--white);box-shadow:0 8px 24px #202b3020;border:1px solid var(--line)}.mobile-menu nav a{display:block;padding:9px 10px;border-bottom:1px solid var(--line);font-size:12px;text-decoration:none}.mobile-menu nav a:last-child{border:0}
@media(max-width:850px){.site-nav{gap:9px}.site-nav a{font-size:10px}.logo{width:145px}}
@media(max-width:720px){.site-nav{display:none}.mobile-menu{display:block}.site-head{gap:8px}.logo{width:120px}.phone{font-size:9px;padding:8px 7px}}

.site-nav details{position:relative}.site-nav summary{list-style:none;cursor:pointer;white-space:nowrap}.site-nav summary::-webkit-details-marker{display:none}.site-nav summary::after{content:"⌄";margin-left:4px;color:#98600d}.nav-dropdown-menu{display:none;position:absolute;z-index:20;left:-12px;top:calc(100% + 12px);min-width:185px;padding:7px;background:var(--white);border:1px solid var(--line);box-shadow:0 12px 30px #202b3020}.nav-dropdown[open] .nav-dropdown-menu{display:grid}.nav-dropdown-menu a{padding:9px 11px;border-bottom:1px solid var(--line);font-size:12px!important}.nav-dropdown-menu a:last-child{border:0}.mobile-menu nav details{border-bottom:1px solid var(--line)}.mobile-menu nav details>summary{display:block;padding:9px 10px;font-size:12px}.mobile-menu nav details>summary::after{content:"＋";float:right}.mobile-menu nav details[open]>summary::after{content:"−"}.mobile-menu nav .mobile-submenu{padding-left:10px}.mobile-menu nav .mobile-submenu a{border:0}.
@media(max-width:850px){.site-nav{display:none}.mobile-menu{display:block;margin-left:auto}.mobile-menu nav{max-height:calc(100vh - 80px);overflow:auto}}