:root{--ink:#273d34;--green:#2d594b;--paper:#faf8f1;--line:#dedfd5;--muted:#747c70;--orange:#d89664;--serif:Georgia,'Noto Serif TC','Songti TC',serif}*{box-sizing:border-box}html{scroll-behavior:smooth;scroll-padding-top:30px}body{margin:0;background:var(--paper);color:var(--ink);font-family:'Noto Sans TC',system-ui,-apple-system,sans-serif;font-size:15px;line-height:1.7}button,input,select,textarea{font:inherit}button,a,input,select{touch-action:manipulation}button{cursor:pointer}button:disabled{cursor:not-allowed;opacity:.5}a{color:inherit;text-decoration:none}button:focus-visible,a:focus-visible,input:focus-visible,select:focus-visible,textarea:focus-visible{outline:3px solid #ca8d5e;outline-offset:4px}.announcement{background:var(--green);color:#faf8ed;text-align:center;font-size:12px;padding:8px 15px;letter-spacing:2px}header{max-width:1256px;margin:auto;display:flex;justify-content:space-between;align-items:center;padding:28px 38px;border-bottom:1px solid 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