@import"https://fonts.googleapis.com/css2?family=Poppins:wght@300;400;500;600&family=Noto+Sans+TC:wght@300;400;500;600;700&display=swap";:root{--ink:#1d1d1f;--bg:#fff;--gray:#86868b;--gray2:#aaaaaa;--line:#ececec;--alt:#f7f7f8;--soft:#f5f5f7;--accent:#1d1d1f;--maxw:1000px;--f:"Poppins","Noto Sans TC",-apple-system,BlinkMacSystemFont,"PingFang TC","Helvetica Neue",sans-serif}*{margin:0;padding:0;box-sizing:border-box}html{scroll-behavior:smooth;overflow-x:hidden}body{overflow-x:hidden}body{font-family:var(--f);color:var(--ink);background:var(--bg);-webkit-font-smoothing:antialiased;line-height:1.55;font-weight:400}a{color:inherit;text-decoration:none}.wrap{max-width:var(--maxw);margin:0 auto;padding:0 26px}svg{display:block}.logo-svg{height:26px;width:auto;fill:currentColor}nav{position:sticky;top:0;z-index:100;background:#ffffffd1;backdrop-filter:saturate(180%) blur(20px);-webkit-backdrop-filter:saturate(180%) blur(20px);border-bottom:1px solid var(--line)}.nav-in{max-width:var(--maxw);margin:0 auto;height:56px;display:flex;align-items:center;padding:0 26px;font-size:13.5px}.brand{display:flex;align-items:center;gap:6px;color:var(--ink)}.brand .sub{font-size:15px;color:var(--ink);font-weight:500;letter-spacing:.02em;line-height:1}.nav-links{display:flex;gap:30px;flex:1;justify-content:center;font-weight:400}.nav-links a{color:var(--ink);opacity:.78;transition:opacity .2s}.nav-links a:hover{opacity:1}.nav-search{opacity:.78;transition:opacity .2s}.nav-search:hover{opacity:1}.hamburger{display:none;flex-direction:column;justify-content:center;gap:5px;width:40px;height:40px;margin-left:auto;margin-right:-8px;border:none;background:none;cursor:pointer;padding:0}.hamburger span{display:block;width:20px;height:1.6px;background:var(--ink);margin:0 auto;border-radius:2px;transition:.25s}#siteNav.open .hamburger span:nth-child(1){transform:translateY(6.6px) rotate(45deg)}#siteNav.open .hamburger span:nth-child(2){opacity:0}#siteNav.open .hamburger span:nth-child(3){transform:translateY(-6.6px) rotate(-45deg)}.mobile-menu{display:none;flex-direction:column;border-top:1px solid var(--line);background:#fffffffa;padding:8px 26px 16px}.mobile-menu a{padding:13px 2px;font-size:16px;color:var(--ink);border-bottom:1px solid var(--line)}.mobile-menu a:last-child{border-bottom:none}#siteNav.open .mobile-menu{display:flex}@media (max-width:820px){.nav-links,.nav-search{display:none}.hamburger{display:flex}}@media (min-width:821px){.mobile-menu{display:none!important}}.hero{text-align:center;padding:108px 26px 94px;background:var(--bg)}.hero .eyebrow{font-size:12px;font-weight:500;color:var(--accent);letter-spacing:.26em;text-transform:uppercase;margin-bottom:30px}.hero h1{font-size:54px;line-height:1.24;font-weight:600;letter-spacing:-.005em;margin-bottom:26px}.hero h1 em{font-style:normal;font-weight:600}.hero p{font-size:18px;color:var(--gray);max-width:500px;margin:0 auto 42px;font-weight:300;line-height:1.78}.searchbar{max-width:540px;margin:0 auto;position:relative}.searchbar input{width:100%;padding:16px 20px 16px 52px;border:1px solid var(--line);border-radius:14px;font-size:16px;background:var(--soft);font-family:var(--f);transition:.2s;font-weight:300}.searchbar input:focus{outline:none;background:#fff;border-color:var(--accent);box-shadow:0 6px 24px #00000014}.searchbar .mag{position:absolute;left:21px;top:50%;transform:translateY(-50%)}.hint{margin-top:15px;font-size:13px;color:var(--gray)}.hint a{margin:0 7px;border-bottom:1px solid #ddd;padding-bottom:1px}.hint a:hover{border-color:var(--ink)}@media (max-width:700px){.hero{padding:60px 26px 50px}.hero h1{font-size:40px}.hero p{font-size:18px}}section{padding:88px 0}.alt{background:var(--alt)}.head{margin-bottom:50px;position:relative}.head .eye{font-size:12px;font-weight:500;color:var(--accent);letter-spacing:.16em;text-transform:uppercase;margin-bottom:12px}.head h2{font-size:36px;font-weight:600;letter-spacing:-.02em}.head .more{position:absolute;right:0;bottom:4px;font-size:14px;color:var(--ink);opacity:.7;border-bottom:1px solid #ccc;padding-bottom:2px}.head .more:hover{opacity:1}.devices{display:grid;grid-template-columns:repeat(4,1fr);gap:1px;background:var(--line);border:1px solid var(--line);border-radius:20px;overflow:hidden}@media (max-width:820px){.devices{grid-template-columns:repeat(2,1fr)}}.dev{background:#fff;padding:32px 22px;text-align:center;transition:.22s}.dev:hover{background:#fafafa}.alt .dev{background:var(--alt)}.alt .dev:hover{background:#eeeef0}.dev .i{height:36px;display:flex;align-items:center;justify-content:center;margin-bottom:15px;color:var(--ink)}.dev h3{font-size:16px;font-weight:600;margin-bottom:3px;letter-spacing:-.01em}.dev span{font-size:12px;color:var(--gray2);font-weight:400}.tips{display:grid;grid-template-columns:repeat(3,1fr);gap:26px}@media (max-width:820px){.tips{grid-template-columns:1fr}}.tip{transition:.2s}.tip .thumb{height:170px;border-radius:16px;background:linear-gradient(135deg,#f7f7f9,#e9e9ee);color:var(--accent);display:flex;align-items:center;justify-content:center;margin-bottom:18px;transition:.2s;overflow:hidden;position:relative}.tip:hover .thumb{transform:translateY(-4px);box-shadow:0 16px 36px #00000017}.tip .thumb svg{opacity:.9}.tip .thumb .lv{position:absolute;top:12px;left:12px;font-size:10.5px;font-weight:600;letter-spacing:.04em;padding:3px 9px;border-radius:980px;background:#ffffffd9;color:var(--ink)}.tip .tag{font-size:11.5px;font-weight:600;color:var(--accent);letter-spacing:.06em;text-transform:uppercase}.tip h3{font-size:18px;font-weight:600;line-height:1.4;margin:9px 0 7px;letter-spacing:-.015em}.tip:hover h3{opacity:.6}.tip p{font-size:14px;color:var(--gray);line-height:1.55;font-weight:300}.tip .read{font-size:12px;color:var(--gray2);margin-top:12px}.paths{display:grid;grid-template-columns:repeat(3,1fr);gap:22px}@media (max-width:820px){.paths{grid-template-columns:1fr}}.path{background:#fff;border-radius:20px;padding:30px 28px;border:1px solid var(--line);transition:.22s}.path:hover{box-shadow:0 16px 38px #00000012;transform:translateY(-3px)}.path .num{font-size:12px;font-weight:600;color:var(--gray2);letter-spacing:.04em}.path h3{font-size:22px;font-weight:600;margin:10px 0 12px;letter-spacing:-.02em}.path p{font-size:14px;color:var(--gray);line-height:1.6;margin-bottom:18px;font-weight:300}.path .meta{font-size:13px;font-weight:500;display:flex;align-items:center;gap:7px}.path .arrow{margin-top:18px;font-size:13px;font-weight:600;color:var(--accent)}.chips{display:flex;flex-wrap:wrap;gap:11px}.chip{padding:10px 20px;border:1px solid #ddd;border-radius:980px;font-size:15px;font-weight:400;background:#fff;transition:.2s}.chip:hover{border-color:var(--accent);background:var(--accent);color:#fff}button.chip{font-family:var(--f);cursor:pointer;color:var(--ink)}.chip.flt.active{border-color:var(--accent);background:var(--accent);color:#fff}.banner{background:var(--ink);color:#fff;border-radius:28px;padding:66px 40px;text-align:center}.banner .eye{font-size:13px;font-weight:500;letter-spacing:.1em;text-transform:uppercase;opacity:.55;margin-bottom:16px}.banner h2{font-size:34px;font-weight:600;letter-spacing:-.025em;margin-bottom:12px}.banner p{font-size:18px;opacity:.7;max-width:520px;margin:0 auto 28px;font-weight:300}.btn{display:inline-block;background:#fff;color:#000;padding:13px 28px;border-radius:980px;font-size:15px;font-weight:500;transition:.2s}.btn:hover{opacity:.85}.btn-dark{background:var(--ink);color:#fff}footer{border-top:1px solid var(--line);padding:48px 0 34px;font-size:12.5px;color:var(--gray);margin-top:0}.fin{display:flex;justify-content:space-between;flex-wrap:wrap;gap:28px}.fin .tagline{font-size:12px;color:var(--gray2);margin-top:12px;letter-spacing:.03em}.fin .cols{display:flex;gap:56px;flex-wrap:wrap}.fin h4{color:var(--ink);font-size:12.5px;font-weight:600;margin-bottom:12px}.fin a{display:block;color:var(--gray);margin-bottom:8px;transition:.2s;font-weight:300}.fin a:hover{color:var(--ink)}.fnote{max-width:var(--maxw);margin:32px auto 0;padding:18px 26px 0;border-top:1px solid var(--line);font-size:11px;color:#b0b0b0;line-height:1.7}.theme-fab{position:fixed;right:22px;bottom:22px;z-index:200}.theme-fab .toggle{width:50px;height:50px;border-radius:50%;background:var(--accent);color:#fff;display:flex;align-items:center;justify-content:center;cursor:pointer;box-shadow:0 8px 24px #0003;border:none;transition:.25s}.theme-fab .toggle:hover{transform:scale(1.06)}.theme-pop{position:absolute;right:0;bottom:62px;background:#fff;border:1px solid var(--line);border-radius:18px;padding:18px;box-shadow:0 18px 50px #00000029;width:218px;opacity:0;visibility:hidden;transform:translateY(8px);transition:.22s}.theme-fab.open .theme-pop{opacity:1;visibility:visible;transform:none}.theme-pop .ttl{font-size:12.5px;font-weight:600;color:var(--ink);margin-bottom:4px}.theme-pop .sub2{font-size:11px;color:var(--gray);margin-bottom:14px}.sw-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:12px}.sw{width:34px;height:34px;border-radius:50%;cursor:pointer;border:none;box-shadow:0 0 0 1px var(--line);transition:.15s;outline:none}.sw:hover{transform:scale(1.12)}.sw.active{box-shadow:0 0 0 2px #fff,0 0 0 4px var(--ink)}.prose{max-width:680px;margin:0 auto;font-size:17px;line-height:1.85;color:#2c2c2e}.prose h2{font-size:26px;font-weight:600;letter-spacing:-.01em;margin:42px 0 14px;color:var(--ink)}.prose h3{font-size:20px;font-weight:600;margin:30px 0 10px;color:var(--ink)}.prose p{margin:0 0 18px}.prose ul,.prose ol{margin:0 0 18px 22px}.prose li{margin:0 0 8px}.prose img{max-width:100%;border-radius:14px;margin:24px 0}.prose a{color:var(--accent);border-bottom:1px solid #ddd}.prose strong{font-weight:600;color:var(--ink)}.prose code{background:var(--soft);padding:2px 6px;border-radius:6px;font-size:.9em}.answer-box{background:var(--alt);border-left:3px solid var(--accent);border-radius:12px;padding:18px 22px;margin:0 auto 34px;max-width:680px;font-size:16px;font-weight:500;line-height:1.7}.lmeta{max-width:680px;margin:0 auto 22px;display:flex;flex-wrap:wrap;align-items:center;gap:10px;color:var(--gray);font-size:14px}.badge{display:inline-flex;align-items:center;gap:5px;font-size:12px;font-weight:600;padding:4px 11px;border-radius:980px;border:1px solid var(--line)}.badge.lv-beginner{color:var(--gray);border-color:var(--line)}.badge.lv-intermediate{color:var(--accent);border-color:var(--line)}.badge.lv-advanced{color:#fff;background:var(--ink);border-color:var(--ink)}.badge.ver{color:var(--gray);background:var(--soft);border-color:transparent}.byline{max-width:680px;margin:0 auto 30px;display:flex;align-items:center;gap:12px;color:var(--ink)}.byline .ava{width:40px;height:40px;border-radius:50%;background:var(--accent);color:#fff;display:flex;align-items:center;justify-content:center;font-size:16px;font-weight:600;flex-shrink:0}.byline .who{display:flex;flex-direction:column;line-height:1.45}.byline .who b{font-size:14px;font-weight:600}.byline .who span{font-size:12.5px;color:var(--gray)}.byline:hover .who b{color:var(--accent)}.actbar{max-width:680px;margin:0 auto 30px;display:flex;flex-wrap:wrap;align-items:center;gap:9px}.actbtn{display:inline-flex;align-items:center;gap:7px;border:1px solid var(--line);border-radius:980px;padding:9px 17px;font-size:13.5px;font-weight:500;color:var(--ink);background:#fff;cursor:pointer;transition:.18s;font-family:var(--f);text-decoration:none}.actbtn:hover{border-color:var(--accent);color:var(--accent)}.actbtn.primary{background:var(--ink);color:#fff;border-color:var(--ink)}.actbtn.primary:hover{opacity:.88;color:#fff}.act-sep{flex:1}.actico{display:inline-flex;align-items:center;justify-content:center;min-width:38px;height:38px;padding:0 12px;border:1px solid var(--line);border-radius:980px;background:#fff;color:var(--ink);cursor:pointer;transition:.18s;font-size:13px;font-weight:600;font-family:var(--f)}.actico:hover{border-color:var(--accent);color:var(--accent)}.actico.done{background:var(--accent);color:#fff;border-color:var(--accent)}@media (max-width:600px){.act-sep{flex-basis:100%;height:0}}.prereq{max-width:680px;margin:0 auto 30px;border:1px solid var(--line);border-radius:14px;padding:20px 22px}.prereq h3{font-size:14px;font-weight:600;letter-spacing:.02em;margin:0 0 12px;color:var(--ink)}.prereq .row{display:flex;gap:10px;margin-bottom:8px;font-size:14px;color:#3a3a3c;line-height:1.6}.prereq .row:last-child{margin-bottom:0}.prereq .row b{min-width:64px;color:var(--gray);font-weight:500;flex-shrink:0}.prereq ul{margin:0;padding-left:18px}.steps{max-width:680px;margin:0 auto 36px;counter-reset:step}.steps h3{font-size:20px;font-weight:600;margin:0 0 18px}.steps .step{display:flex;gap:16px;padding:16px 0;border-top:1px solid var(--line)}.steps .step:last-child{border-bottom:1px solid var(--line)}.steps .step .num{counter-increment:step;flex-shrink:0;width:30px;height:30px;border-radius:50%;background:var(--accent);color:#fff;display:flex;align-items:center;justify-content:center;font-size:14px;font-weight:600}.steps .step .num:before{content:counter(step)}.steps .step .body{font-size:16px;line-height:1.7;color:#2c2c2e;padding-top:3px}.steps .step .body b{font-weight:600;color:var(--ink)}.prose .callout{border-radius:12px;padding:16px 20px;margin:24px 0;font-size:15.5px;line-height:1.7}.prose .callout .ct{display:block;font-weight:600;font-size:13px;letter-spacing:.04em;margin-bottom:6px;text-transform:uppercase}.prose .callout.pro{background:var(--alt);border:1px solid var(--line);border-left:3px solid var(--accent)}.prose .callout.pro .ct{color:var(--accent)}.prose .callout.note{background:var(--alt);border:1px solid var(--line)}.prose .callout.note .ct{color:var(--gray)}.prose .callout.warn{background:#fbf3f2;border:1px solid #efd6d2;border-left:3px solid #c0473f}.prose .callout.warn .ct{color:#b23b33}.prose pre{position:relative;background:#1d1d1f;color:#f5f5f7;padding:16px 18px;border-radius:12px;overflow-x:auto;margin:20px 0;font-size:14px;line-height:1.6}.copy-btn{position:absolute;top:9px;right:9px;background:#ffffff1a;color:#f5f5f7;border:1px solid rgba(255,255,255,.2);border-radius:8px;padding:4px 11px;font-size:12px;font-weight:500;font-family:var(--f);cursor:pointer;transition:.15s;opacity:.55}.prose pre:hover .copy-btn,.copy-btn:focus{opacity:1}.copy-btn:hover{background:#ffffff38}.copy-btn.done{background:var(--accent);border-color:var(--accent);opacity:1}.prose pre code{background:none;padding:0;color:inherit;font-size:14px}.prose kbd{background:var(--soft);border:1px solid var(--line);border-bottom-width:2px;border-radius:6px;padding:2px 7px;font-size:.85em;font-family:var(--f)}.toc{max-width:680px;margin:0 auto 34px;border:1px solid var(--line);border-radius:14px;padding:18px 22px;background:var(--bg)}.toc h3{font-size:12px;font-weight:600;letter-spacing:.08em;text-transform:uppercase;color:var(--gray2);margin:0 0 12px}.toc ol{margin:0;padding-left:20px;counter-reset:toc}.toc li{margin:0 0 8px;font-size:15px}.toc a{color:#3a3a3c;border-bottom:1px solid transparent}.toc a:hover{color:var(--accent);border-color:var(--accent)}.prose :is(h2,h3){scroll-margin-top:72px}.br-desktop{display:inline}@media (max-width:700px){.br-desktop{display:none}}@media (max-width:820px){section{padding:60px 0}.head{margin-bottom:34px}.head h2{font-size:28px}.head .more{position:static;display:inline-block;margin-top:10px;float:none}.fin{flex-direction:column;gap:24px}.fin .cols{gap:40px}.prose{font-size:16px}}@media (max-width:700px){.hero .eyebrow{letter-spacing:.18em;font-size:11px}.hero h1{font-size:34px;line-height:1.28}.hero p{font-size:16px}.devices{grid-template-columns:repeat(2,1fr)}.banner{padding:48px 24px}.banner h2{font-size:26px}}@media (max-width:380px){.devices{grid-template-columns:1fr}}
