:root{--ink: #101917;--muted: #6d7b77;--paper: #f2efe9;--white: #fdfbf6;--teal: #0d6d62;--teal-dark: #073e3a;--amber: #d7a43d;--amber-bright: #f5a51a;--border: #e4ddd2;--shadow: 0 20px 60px rgba(13,45,40,.1);--shadow-sm: 0 10px 30px rgba(13,45,40,.06);--radius: 8px;--font: "Microsoft YaHei", "PingFang SC", "Noto Sans CJK SC", sans-serif}*,*:before,*:after{margin:0;padding:0;box-sizing:border-box}html{scroll-behavior:smooth;min-height:100%}body{min-height:100%;font-family:var(--font);color:var(--ink);-webkit-font-smoothing:antialiased;line-height:1.6;background:var(--paper)}a{text-decoration:none;color:inherit}img{max-width:100%}.wrap{max-width:1100px;margin:0 auto;padding:0 clamp(20px,5vw,40px)}.content-shell{padding:clamp(42px,8vw,90px) 0}.topline{background:var(--teal-dark);color:#ffffffb3;font-size:12px;padding:6px 0}.topline .wrap{display:flex;justify-content:space-between;align-items:center}.topline a{color:#ffffffb8;margin-left:16px;transition:color .2s}.topline a:hover{color:var(--white)}.header{background:var(--white);border-bottom:1px solid var(--border);position:sticky;top:0;z-index:100}.header .wrap{display:flex;justify-content:space-between;align-items:center;height:60px}.logo{font-size:20px;font-weight:900;color:var(--teal-dark);cursor:pointer}.logo em{font-style:normal;color:var(--amber)}.nav{display:flex}.nav a{font-size:13px;color:var(--muted);padding:10px 18px;border-radius:6px;transition:all .2s;font-weight:800}.nav a:hover{background:#ede8df;color:var(--teal-dark)}.nav a.active{color:var(--amber-bright);background:transparent;box-shadow:inset 0 -2px 0 var(--amber-bright);border-radius:0}.module-hero{position:relative;min-height:220px;display:grid;place-items:center;overflow:hidden;color:var(--white);text-align:center;background:linear-gradient(90deg,#071715f0,#07171585 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