:root{--brand:#F45132;--hover:#FF684E;--gold:#D7A84B;--ink:#1A1A1A;--body:#333;--muted:#666;--line:rgba(0,0,0,.08);--soft:#F6F7F9}*{box-sizing:border-box}html{scroll-behavior:smooth}body{margin:0;background:#fff;color:var(--body);font:16px/1.78 system-ui,"PingFang SC","Microsoft YaHei",sans-serif}a{color:inherit;text-decoration:none}a:hover{color:var(--brand)}button{font:inherit;cursor:pointer}img{max-width:100%}.container{max-width:1100px;margin:0 auto;padding:0 24px}.site-header{background:#fff;border-bottom:1px solid var(--line)}.header-inner{min-height:72px;display:flex;align-items:center;gap:25px}.brand{flex:0 0 auto;display:flex;align-items:center;min-width:112px}.brand img{height:36px;width:auto;max-width:144px;object-fit:contain}.brand-text{font-size:25px;font-weight:900;color:var(--brand);letter-spacing:-1px}.brand-text span{color:var(--ink)}.desktop-nav{display:flex;align-items:center;justify-content:center;gap:21px;flex:1;white-space:nowrap}.desktop-nav 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