:root{--green:#163d34;--green2:#235949;--jade:#b7d6bc;--cream:#f5f0e6;--paper:#fbfaf6;--ink:#17201d;--muted:#63706a;--line:#d6ddd7;--orange:#e76332;--sans:"Noto Sans TC",system-ui,sans-serif;--serif:"Playfair Display",serif}*{box-sizing:border-box}html{scroll-behavior:smooth}body{margin:0;background:var(--paper);color:var(--ink);font-family:var(--sans);line-height:1.8}a{color:inherit;text-decoration:none}.skip{position:fixed;top:-5rem;left:1rem;z-index:9;background:#fff;padding:.6rem 1rem}.skip:focus{top:1rem}.header{height:76px;padding:0 clamp(1.25rem,5vw,5rem);display:flex;align-items:center;justify-content:space-between;background:var(--green);color:#fff;position:sticky;top:0;z-index:5}.brand strong{display:block;letter-spacing:.18em;font-size:1.15rem}.brand small{display:block;font-size:.58rem;opacity:.7}.header-right,.main-nav{display:flex;align-items:center;gap:clamp(1rem,2vw,2rem)}.main-nav{font-size:.82rem}.lang{display:flex;align-items:center;gap:.45rem;border:0;background:transparent;color:#ffffff90;font:600 .72rem var(--sans);cursor:pointer}.lang .active{color:#fff}.lang i{height:13px;border-left:1px solid #ffffff55}.back{border:1px solid #ffffff55;padding:.45rem .8rem}.hero{background:var(--green);color:#fff;padding:clamp(4rem,8vw,7.5rem) clamp(1.5rem,10vw,10rem) clamp(3rem,6vw,5rem);display:grid;grid-template-columns:100px minmax(0,800px);gap:clamp(1rem,4vw,4rem)}.number{font:700 1rem var(--serif);color:var(--jade);padding-top:.5rem}.eyebrow{color:var(--jade);font-size:.68rem;letter-spacing:.2em;font-weight:700;margin:0 0 .7rem}.hero h1{font-size:clamp(2.8rem,6vw,5.8rem);letter-spacing:-.05em;line-height:1.15;margin:0 0 1rem}.hero p:last-child{color:#c8d5d0;max-width:650px;margin:0;font-size:1.05rem}.guide-layout{max-width:1240px;margin:auto;padding:clamp(3rem,7vw,6rem) clamp(1.25rem,5vw,4rem);display:grid;grid-template-columns:270px minmax(0,760px);gap:clamp(3rem,8vw,8rem)}.side-label{font-size:.64rem;letter-spacing:.2em;color:var(--muted);margin-bottom:1rem}.side-nav{border-top:1px solid var(--line)}.side-nav a{display:flex;justify-content:space-between;padding:1rem 0;border-bottom:1px solid var(--line);font-size:.85rem}.side-nav a.active{color:var(--orange);font-weight:700}.notice{background:var(--cream);border-left:4px solid var(--orange);padding:1.1rem 1.3rem;margin-bottom:2.5rem;font-size:.82rem;color:#555}.article h2{font-size:clamp(1.6rem,3vw,2.3rem);line-height:1.3;margin:2.5rem 0 1rem}.article h2:first-of-type{margin-top:0}.article p,.article li{color:#4f5c57}.article ul,.article ol{padding-left:1.4rem}.article li{margin-bottom:.75rem}.article a{color:var(--green2);text-decoration:underline;text-underline-offset:3px}.next{margin-top:3.5rem;border-top:1px solid var(--line);padding-top:1.5rem;display:flex;justify-content:space-between;gap:2rem}.next a{color:var(--green);font-weight:700}.footer{background:#0d2a24;color:#fff;padding:2.5rem clamp(1.25rem,5vw,5rem);display:flex;justify-content:space-between;gap:2rem;align-items:end}.footer p{margin:0;color:#aebdb8;font-size:.72rem}.menu{display:none;border:0;background:transparent;color:#fff;font-size:1.4rem}@media(max-width:760px){.menu{display:block}.header-right{gap:.7rem}.main-nav{display:none;position:absolute;top:76px;left:0;right:0;background:var(--green);padding:1rem 1.25rem 1.5rem;flex-direction:column;align-items:stretch}.main-nav.open{display:flex}.back{text-align:center}.hero{grid-template-columns:1fr}.number{padding:0}.guide-layout{grid-template-columns:1fr}.footer{display:block}.footer p{margin-top:1rem}}@media(max-width:460px){.brand small{display:none}.hero h1{font-size:2.7rem}.header{height:68px}.main-nav{top:68px}}