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:root{--bg-deep:#071D22;--bg-main:#0C2B31;--bg-surface:#12383D;--bg-surface2:#1B474B;--teal:#0C7778;--mint:#48C9BA;--mint-soft:#BCEBE4;--paper:#F4F9F7;--cream:#FFFCF6;--border-light:#D8E9E5;--text-light:#F7FCFA;--body-light:#D5E7E4;--text-dark:#17343A;--body-dark:#355159;--muted-dark:#526C72;--coral:#E8907E;--amber:#E5BB76;--blue:#87ACC6}*{box-sizing:border-box}html{scroll-behavior:smooth}body{margin:0;background:var(--paper);color:var(--text-dark);font:16px/1.78 system-ui,-apple-system,"Microsoft YaHei",sans-serif}a{color:inherit;text-decoration:none}button,input,textarea{font:inherit}button{cursor:pointer}a:focus-visible,button:focus-visible,input:focus-visible,textarea:focus-visible{outline:3px solid var(--teal);outline-offset:3px}img{max-width:100%;height:auto}h1,h2,h3,p{margin-top:0}h1{font-size:clamp(27px,3.4vw,40px);line-height:1.3;letter-spacing:-.025em}h2{font-size:clamp(21px,2.5vw,27px);line-height:1.35}h3{font-size:19px;line-height:1.4}.container{width:calc(100% - 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