:root{--ink:#17343b;--muted:#526b73;--teal:#176e79;--deep:#103e48;--line:#dce7eb;--ice:#edf5f7;--sun:#ffd277;--white:#fff;--radius:20px;font-family:system-ui,-apple-system,BlinkMacSystemFont,"Segoe UI","Noto Sans TC","PingFang TC","Microsoft JhengHei",sans-serif;color:var(--ink);background:#fbfdfe;font-size:16px;line-height:1.7;scroll-padding-top:2rem}*{box-sizing:border-box}body{margin:0}a{color:var(--teal);text-underline-offset:.22em}a:hover{text-decoration-thickness:2px}img{display:block;max-width:100%}button{font:inherit;cursor:pointer}h1,h2,h3,p{margin-top:0}h1,h2,h3{line-height:1.25;letter-spacing:-.025em}h1{font-size:clamp(2.3rem,5vw,4rem);margin-bottom:1.4rem}h2{font-size:clamp(1.6rem,3vw,2.25rem);margin-bottom:1rem}h3{font-size:1.25rem}p{margin-bottom:1rem}.wrap{width:min(1120px,calc(100% - 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22px}.weather-metrics{display:grid;grid-template-columns:repeat(3,1fr);font-size:.8rem;color:var(--muted);gap:4px}.weather-metrics b{display:block;color:var(--ink);font-size:1rem;font-weight:650;margin-top:4px}.preview-forecast{margin-top:22px;border-top:1px solid var(--line);padding-top:16px}.preview-forecast p{font-size:.9rem;font-weight:650;margin-bottom:12px}.hours{display:grid;grid-template-columns:repeat(4,1fr);gap:8px;text-align:center;font-size:.8rem}.hours i{display:block;font-style:normal;font-size:1.75rem;color:#526f7b;margin:5px 0;line-height:1.3}.hours b{font-size:1rem;font-weight:550}.preview-day{border-top:1px solid var(--line);margin-top:20px;padding-top:15px;display:flex;justify-content:space-between;font-size:.8rem}.preview-day b{font-weight:550}.preview-caption{text-align:center;color:var(--muted);font-size:.75rem;margin:16px 0 19px}.principles{border-block:1px solid var(--line);background:#f3f8fa}.principles>.wrap{display:grid;grid-template-columns:repeat(4,1fr);gap:18px;padding-block:22px;font-size:.94rem;text-align:center}.principles span+span{border-left:1px solid #ccdee3}.section{padding-top:80px;padding-bottom:80px}.section-heading{max-width:720px}.section-heading>p:last-child{color:var(--muted)}.features-grid{display:grid;grid-template-columns:repeat(3,1fr);column-gap:44px;row-gap:30px;margin-top:42px}.features-grid article{padding-top:22px;border-top:1px solid #bcd4db}.feature-mark{display:block;color:var(--teal);font-size:1.75rem;letter-spacing:-.04em;font-weight:700;margin-bottom:17px}.feature-mark span{font-size:1rem;margin-left:4px}.features-grid p{color:var(--muted);margin:0}.start-section{background:var(--deep);color:white;padding-block:64px}.start-grid{display:grid;grid-template-columns:1fr 1.1fr;gap:80px}.start-section .eyebrow,.start-section a{color:var(--sun)}.start-section h2{margin-bottom:28px}.quick-steps{margin:0;padding:0;list-style:none;counter-reset:steps}.quick-steps li{counter-increment:steps;position:relative;padding-left:58px;margin-bottom:24px}.quick-steps li:last-child{margin:0}.quick-steps li:before{content:counter(steps,decimal-leading-zero);position:absolute;left:0;color:var(--sun);font-size:1.2rem;font-weight:600}.quick-steps b{font-size:1.125rem;font-weight:650}.quick-steps p{color:#c4d9df;margin:6px 0 0}.release-strip{display:flex;align-items:center;justify-content:space-between;gap:32px}.muted-title{font-size:1.05rem;font-weight:450;color:var(--muted);letter-spacing:0;display:inline-block;margin-left:10px}.release-strip p:last-child{margin:0;color:var(--muted)}.site-footer{border-top:1px solid var(--line);padding:38px 0;background:#f3f8fa}.footer-inner{display:flex;align-items:center;justify-content:space-between;gap:24px;flex-wrap:wrap}.footer-brand{font-size:1.125rem;font-weight:700;color:var(--ink);text-decoration:none}.footer-inner p{color:var(--muted);font-size:.8rem;margin:8px 0 0}.footer-inner nav{display:flex;gap:22px;flex-wrap:wrap;font-size:.875rem}.footer-inner nav a{color:var(--muted);text-decoration:none}.copyright{width:100%;padding-top:16px;border-top:1px solid var(--line)}.page-intro{padding:66px 0 38px;max-width:810px}.page-intro h1{font-size:clamp(2rem,4vw,3.3rem)}.page-intro .lead{max-width:680px}.download-layout{display:grid;grid-template-columns:1.1fr 1fr;gap:68px;align-items:center}.download-card{background:var(--white);border:1px solid var(--line);border-radius:var(--radius);padding:30px}.app-heading{display:flex;gap:16px;align-items:center}.app-heading img{width:60px;height:60px;border-radius:16px}.app-heading h2{font-size:1.6rem;margin:0 0 5px}.app-heading p{margin:0;color:var(--muted);font-size:.94rem}.file-specs{margin:26px 0}.file-specs>div{display:flex;gap:20px;justify-content:space-between;border-top:1px solid var(--line);padding:12px 0}.file-specs dt{color:var(--muted);font-size:.94rem;white-space:nowrap}.file-specs dd{margin:0;text-align:right;font-size:.94rem}.file-specs small{display:block;color:var(--muted)}.download-card .button{width:100%}.download-card>.small{text-align:center;margin:12px 0 0}.download-notes p{color:var(--muted)}.download-notes .text-link{display:flex;margin-top:18px}.checksum-panel{background:var(--ice);padding:32px;border-radius:var(--radius);margin-top:48px}.checksum-panel h2{font-size:1.5rem}.checksum-panel p{color:var(--muted)}.checksum{font:500 .95rem/1.9 ui-monospace,SFMono-Regular,Consolas,monospace;word-break:break-all;display:block;background:#fff;border:1px solid #d1e1e6;padding:16px;border-radius:8px;user-select:all}.copy-row{display:flex;align-items:center;flex-wrap:wrap;gap:16px;margin-top:18px;font-size:.9rem}#copy-status{color:var(--teal)}.section-tail{margin:24px 0 64px}.guide-layout{display:grid;grid-template-columns:230px 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0;font-size:1.125rem;font-weight:650;display:flex;gap:20px;justify-content:space-between;align-items:center}summary::-webkit-details-marker{display:none}summary>span{font-weight:400;color:var(--teal);font-size:1.5rem}details[open] summary>span{transform:rotate(45deg)}.faq-answer{padding:0 44px 24px 0;color:var(--muted)}.faq-answer p{margin:0}.faq-answer a{display:inline-block;margin-top:12px}.help-link{margin:50px 0 70px}.help-link h2{font-size:1.6rem}.release-entry{padding:0 0 34px 26px;border-left:2px solid #d8e7eb;position:relative;margin-left:4px}.release-entry:before{content:"";position:absolute;width:10px;height:10px;background:var(--teal);border-radius:50%;top:9px;left:-6px}.release-date{display:flex;align-items:center;gap:14px;margin-bottom:16px;color:var(--muted);font-size:.875rem}.release-entry h2{font-size:1.4rem}.release-entry h2>span{color:var(--teal);margin-right:8px}.release-entry ul{padding-left:1.2rem;color:var(--muted)}.prose{padding-bottom:60px;color:var(--muted)}.prose h2{font-size:1.5rem;margin:26px 0 12px;color:var(--ink)}code{overflow-wrap:anywhere}button[hidden]{display:none}
@media(max-width:900px){.header-inner{min-height:90px}.main-nav{gap:20px}.hero{gap:30px;padding-block:54px}.hero h1{font-size:4rem}.preview-area{padding-inline:14px}.weather-preview{padding:18px}.preview-top{flex-wrap:wrap;gap:7px}.features-grid{gap:30px}.start-grid{gap:36px}.download-layout{gap:32px}.guide-layout{grid-template-columns:175px 1fr;gap:32px}}
@media(max-width:680px){.wrap{width:calc(100% - 36px)}.header-inner{padding-block:18px;flex-wrap:wrap;gap:14px;min-height:0}.brand{font-size:1.16rem}.brand small{font-size:.75rem}.main-nav{width:100%;gap:0;justify-content:space-between}.main-nav a{font-size:.875rem}.main-nav .nav-download{padding:8px 14px;gap:8px}.hero{grid-template-columns:1fr;gap:30px;padding-top:40px;padding-bottom:36px}.hero h1{font-size:3.7rem;line-height:1.15}.hero .lead{font-size:1.08rem}.actions{gap:18px}.setup-note{max-width:none;font-size:.85rem}.preview-area{padding:22px 18px 0;border-radius:28px 28px 16px 16px;max-width:430px;width:100%;margin:auto}.weather-preview{padding:22px}.preview-top{flex-wrap:nowrap}.principles>.wrap{grid-template-columns:1fr 1fr;gap:14px;font-size:.85rem;padding-block:22px}.principles span+span{border:0}.principles span:nth-child(even){border-left:1px solid #ccdee3}.section{padding-block:48px}.section-heading h2{font-size:1.85rem}.features-grid{grid-template-columns:1fr 1fr;gap:28px 22px;margin-top:26px}.features-grid h3{font-size:1.125rem}.features-grid p{font-size:.94rem}.feature-mark{font-size:1.6rem;margin-bottom:13px}.start-grid{grid-template-columns:1fr;gap:30px}.start-section{padding-block:44px}.start-section h2{margin-bottom:20px}.release-strip{display:block}.release-strip .button{margin-top:24px}.muted-title{margin:0;display:block;margin-top:10px}.footer-inner{gap:25px}.footer-inner nav{gap:20px}.page-intro{padding-top:40px;padding-bottom:25px}.page-intro h1{font-size:2.4rem}.page-intro .lead{font-size:1.06rem}.download-layout{grid-template-columns:1fr;gap:32px}.download-card{padding:24px 20px}.download-notes h2{font-size:1.6rem}.checksum-panel{padding:24px 20px;margin-top:30px}.checksum{font-size:.875rem}.copy-row{gap:16px}.guide-layout{grid-template-columns:1fr;gap:30px}.guide-toc{display:flex;flex-wrap:wrap;gap:12px 20px}.guide-toc p{width:100%;margin-bottom:0}.guide-toc a{font-size:.875rem;margin:0}.guide-step{padding-top:23px}.guide-step h2{font-size:1.5rem}summary{font-size:1.05rem}.faq-answer{padding-right:16px}.release-entry h2{font-size:1.3rem}.release-date{flex-wrap:wrap;gap:8px}.help-link{margin:36px 0 50px}}
@media(prefers-reduced-motion:reduce){*,*:before,*:after{scroll-behavior:auto!important;transition:none!important;animation:none!important}}@media(max-width:360px){.hero h1{font-size:3.25rem}.features-grid{grid-template-columns:1fr}.preview-top{flex-wrap:wrap}.file-specs>div{flex-direction:column;gap:4px}.file-specs dd{text-align:left}.actions{align-items:stretch}.actions .button{width:100%}.main-nav{flex-wrap:wrap;gap:6px 12px}}