/* Flow paper editorial aesthetic. Design variance 5, motion 1, visual density 3.
   Static composition review; approved copy, art and repeated CTA intent preserved. */
:root{--paper:#f5f1e8;--white:#fffdf8;--ink:#173e32;--green:#145544;--muted:#53645b;--line:#d9ddce;--pale:#e8eddf;--gold:#bd944c;--radius:16px;--font:"PingFang HK","Noto Sans TC","Microsoft JhengHei",system-ui,sans-serif}
*{box-sizing:border-box}html{color-scheme:light}body{margin:0;background:var(--paper);color:var(--ink);font-family:var(--font);font-size:16px;line-height:1.85;-webkit-font-smoothing:antialiased}h1,h2,h3,p,figure{margin-top:0}a{color:var(--green);text-underline-offset:5px}img{display:block;max-width:100%;height:auto}button,summary{font:inherit}button{color:inherit}[hidden]{display:none!important}[id]{scroll-margin-top:100px}:focus-visible{outline:3px solid var(--green);outline-offset:5px}::selection{background:#d7e2c9}.fs-shell{width:min(1240px,calc(100% - 80px));margin-inline:auto}.fs-skip{position:fixed;left:16px;top:10px;z-index:100;transform:translateY(-160%);background:var(--white);padding:12px 18px}.fs-skip:focus{transform:none}.fs-anchor{display:block;height:0}
.fs-header{position:sticky;top:0;z-index:30;background:var(--paper);border-bottom:1px solid var(--line)}.fs-nav{min-height:76px;display:flex;align-items:center;gap:24px}.fs-brand{display:inline-flex;align-items:center;gap:10px;color:var(--ink);font-size:19px;font-weight:750;letter-spacing:-.5px;white-space:nowrap;text-decoration:none}.fs-brand img{width:32px;height:32px;object-fit:contain}.fs-links{display:flex;gap:26px;align-items:center;margin-left:auto}.fs-links a{text-decoration:none;font-size:14px;white-space:nowrap}.fs-links a:hover{text-decoration:underline}.fs-button{display:inline-flex;align-items:center;justify-content:center;gap:12px;min-height:54px;padding:14px 22px;border:1px solid var(--green);border-radius:10px;background:var(--green);color:var(--white);font-size:16px;font-weight:650;text-decoration:none;line-height:1.4;white-space:nowrap}.fs-button:hover{background:#0f4638}.fs-nav>.fs-button{min-height:42px;font-size:14px;padding:10px 16px}.fs-menu-button{display:none;margin-left:auto;background:transparent;border:1px solid var(--line);border-radius:10px;padding:9px 15px;min-height:44px}.fs-mobile-nav{border-top:1px solid var(--line);padding:12px 24px 22px}.fs-mobile-nav a{display:block;padding:10px 0;text-decoration:none}.fs-mobile-nav .fs-button{display:inline-flex;padding:13px 18px;margin-top:8px}
.fs-hero{display:grid;grid-template-columns:minmax(0,.95fr) minmax(0,1.12fr);grid-template-areas:"heading art" "summary art" "cta art" "actions art";column-gap:32px;align-items:start;padding:62px 0 44px}.hero-heading{grid-area:heading;align-self:end}.fs-kicker{font-size:14px;font-weight:600;color:var(--green);margin-bottom:18px}.fs-hero h1{font-size:clamp(36px,3.45vw,50px);font-weight:760;line-height:1.38;letter-spacing:-1.35px;margin-bottom:22px}.fs-hero h1 span{color:var(--green)}.hero-summary{grid-area:summary}.fs-lead{font-size:17px;line-height:1.9;color:var(--muted);max-width:35em;margin-bottom:0}.hero-art{grid-area:art;margin:0;align-self:center;min-width:0}.hero-art picture{display:block}.hero-art img{width:100%;height:auto;aspect-ratio:3/2;border-radius:var(--radius)}.hero-cta{grid-area:cta}.hero-actions{grid-area:actions}.fs-actions{display:flex;align-items:center;gap:18px;flex-wrap:wrap;margin-top:25px}.fs-actions>a:not(.fs-button){font-size:14px}.button-art{display:block;background:var(--paper);border-radius:50%;width:32px;height:32px;flex:0 0 32px;overflow:hidden}.button-art img{width:32px;height:32px}.hero-cta .fs-button,.fs-contact .fs-button{padding:10px 17px 10px 10px;min-height:56px}.fs-offer{display:flex;flex-wrap:wrap;gap:8px 12px;align-items:baseline;margin:22px 0 0}.fs-offer strong{font-size:27px;line-height:1.25;letter-spacing:-.5px}.fs-offer span{font-size:14px;color:var(--muted)}.fs-note{font-size:14px;line-height:1.8;color:var(--muted);margin:9px 0 0}.hero-actions>.fs-note:last-child{font-size:13px}
.paper-shortcuts{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:12px;padding-bottom:68px}.paper-link{display:flex;align-items:center;gap:10px;min-height:86px;padding:10px 13px 10px 8px;border:1px solid var(--line);border-radius:var(--radius);text-decoration:none;color:var(--ink);background:var(--paper);box-shadow:0 3px 0 #e8e5da}.paper-link img{width:52px;height:52px;flex:0 0 52px;border-radius:10px}.paper-link span{font-size:15px;font-weight:650;line-height:1.45}.paper-link b{margin-left:auto;font-size:18px;font-weight:400}.paper-link:hover{border-color:var(--green)}.paper-link-contact{border-color:var(--green)}
.fs-section{padding:82px 0}.fs-section h2{font-size:clamp(29px,3vw,42px);font-weight:720;line-height:1.5;letter-spacing:-.8px;margin:0 0 20px}.fs-intro{max-width:780px;color:var(--muted);font-size:17px;margin-bottom:32px}.fs-section+.fs-section{border-top:1px solid var(--line)}#confidence{padding-top:0}.fs-questions{margin:34px 0}.fs-questions article{display:grid;grid-template-columns:minmax(0,.9fr) minmax(0,1.4fr);gap:40px;padding:23px 0;border-bottom:1px solid var(--line)}.fs-questions article:first-child{border-top:1px solid var(--line)}.fs-questions h3{font-size:23px;font-weight:650;margin:0;line-height:1.65}.fs-questions p{font-size:17px;color:var(--muted);margin:0;align-self:center}.fs-example{display:grid;grid-template-columns:minmax(0,.8fr) minmax(0,1.5fr);gap:30px;border-left:3px solid var(--gold);padding:22px 26px;background:var(--white);border-radius:0 var(--radius) var(--radius) 0}.fs-example h3{font-size:18px;margin:0 0 7px}.fs-example small{font-size:14px;color:var(--muted)}.fs-example p{margin:0;font-size:16px;color:var(--muted)}
.fs-steps{display:grid;grid-template-columns:minmax(0,1fr) minmax(0,1fr);gap:62px;align-items:start}.fs-steps>div>p{color:var(--muted);max-width:36em}.fs-steps>div>a{font-size:15px}.method-art{margin:30px 0 0}.method-art img{width:100%;border-radius:var(--radius)}.fs-step{display:grid;grid-template-columns:44px minmax(0,1fr);gap:18px;padding:26px 0}.fs-step+.fs-step{border-top:1px solid var(--line)}.fs-step>span{font-size:28px;color:var(--green);line-height:1.6;font-weight:500}.fs-step h3{font-size:22px;line-height:1.5;font-weight:650;margin-bottom:12px}.fs-step p{color:var(--muted);font-size:16px;line-height:1.85;margin-bottom:0}.delivery-peek{margin-top:36px;background:var(--white);border:1px solid var(--line);border-radius:var(--radius);overflow:hidden}.delivery-peek>summary{display:flex;align-items:center;gap:16px;list-style:none;cursor:pointer;padding:14px 22px}.delivery-peek>summary::-webkit-details-marker{display:none}.delivery-peek>summary img{width:60px;height:60px;border-radius:12px}.delivery-peek>summary>span{font-size:18px;font-weight:600;line-height:1.55}.delivery-peek small{display:block;font-size:14px;color:var(--muted);font-weight:400}.delivery-peek .disclosure-sign{margin-left:auto;font-size:26px}.delivery-peek[open] .disclosure-sign{transform:rotate(45deg)}.delivery-body{padding:8px 30px 30px}.fs-work-head{display:flex;justify-content:space-between;gap:18px;flex-wrap:wrap;font-size:14px;color:var(--muted);margin-bottom:14px}.delivery-body h2{font-size:27px}.fs-work-row{display:grid;grid-template-columns:32px minmax(0,1fr);gap:14px;margin:22px 0}.fs-work-row>span{font-size:16px;color:var(--green)}.fs-work-row h3{font-size:18px;margin:0 0 5px}.fs-work-row p{color:var(--muted);margin:0}.delivery-body>a{display:inline-block;margin-top:10px}
.fs-founder{display:grid;grid-template-columns:120px minmax(0,760px);gap:28px;align-items:center;margin:26px 0 34px}.fs-founder img{width:120px;height:120px;border-radius:var(--radius);object-fit:cover}.fs-founder p{font-size:17px;color:var(--muted);margin:0}.fs-founder strong{display:block;font-size:19px;font-weight:650;color:var(--ink);margin-bottom:8px}.fs-records{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:42px;margin:32px 0}.fs-record{min-width:0}.work-image{width:100%;height:auto;aspect-ratio:48/35;object-fit:cover;object-position:top;border:1px solid var(--line);border-radius:var(--radius)}.work-date{font-size:13px;color:var(--muted);margin:9px 0 21px}.fs-record h3{font-size:24px;font-weight:650;line-height:1.45;margin:0 0 14px}.fs-record p:not(.work-date){font-size:16px;color:var(--muted);line-height:1.85;margin-bottom:15px}.fs-record a{font-size:15px;display:inline-block;min-height:40px}.fs-disclosure{border:1px solid var(--line);border-radius:var(--radius);padding:0 22px;margin-top:28px;background:var(--white)}.fs-disclosure>summary{cursor:pointer;font-size:16px;font-weight:600;padding:20px 0;line-height:1.7}.fs-disclosure p,.fs-disclosure blockquote{font-size:15px;color:var(--muted)}.fs-disclosure blockquote{margin:0 0 20px;padding:12px 20px;border-left:3px solid var(--gold)}.fs-disclosure .proof-note{font-size:14px}.fs-table-wrap{overflow-x:auto;max-width:100%;margin:20px 0}.fs-table{width:100%;border-collapse:collapse;text-align:left;font-size:14px;line-height:1.7}.fs-table caption{text-align:left;font-size:14px;padding-bottom:10px;color:var(--muted)}.fs-table th,.fs-table td{padding:12px 14px;border-bottom:1px solid var(--line);vertical-align:top}.fs-table thead th{background:var(--pale);white-space:nowrap}.fs-table tbody th{min-width:240px;font-weight:500}.fs-table td{min-width:100px;color:var(--muted)}.plain-links{display:flex;flex-wrap:wrap;gap:15px;font-size:14px;margin:20px 0}
.fs-fit-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:48px;margin:30px 0 35px}.fs-fit-grid h3{font-size:20px;margin-bottom:10px}.fs-fit-grid p{color:var(--muted);font-size:17px;margin:0}.fs-contact{display:grid;grid-template-columns:minmax(0,1fr) minmax(0,1fr);gap:54px;padding:42px;border:1px solid var(--line);border-radius:var(--radius);background:var(--white);box-shadow:0 8px 0 #e7e7da}.fs-status{font-size:15px;font-weight:600;color:var(--green)}.fs-price{font-size:52px;font-weight:650;letter-spacing:-1.2px;line-height:1.35;margin:10px 0 14px}.fs-contact p{font-size:15px;line-height:1.85;color:var(--muted);margin-bottom:14px}.fs-contact>div+div{padding-left:30px;border-left:1px solid var(--line)}.fs-contact h3{font-size:29px;line-height:1.5;margin:0 0 18px}.fs-contact>div>a:not(.fs-button){font-size:14px}.fs-contact-links{display:flex;flex-direction:column;gap:8px;font-size:15px;margin-top:22px}.fs-contact .fs-actions{margin:22px 0 15px}.fs-contact .fs-note{font-size:14px}
.fs-footer{border-top:1px solid var(--line);padding:44px 0 25px}.fs-footer-top{display:grid;grid-template-columns:minmax(0,1fr) minmax(0,1fr);gap:60px}.fs-footer-top p{font-size:15px;color:var(--muted);max-width:420px;margin:16px 0 10px}.fs-footer-top>div>a:not(.fs-brand){font-size:15px}.fs-footer-links{display:flex;gap:10px 25px;flex-wrap:wrap;align-content:start}.fs-footer-links a{font-size:14px;min-height:38px}.fs-footer-bottom{display:flex;flex-wrap:wrap;justify-content:space-between;gap:15px;border-top:1px solid var(--line);margin-top:30px;padding-top:20px;font-size:13px;color:var(--muted)}
@media(min-width:1001px){.fs-mobile-nav{display:none!important}}@media(max-width:1120px){.fs-shell{width:calc(100% - 48px)}.fs-nav{gap:16px}.fs-links{gap:16px}.fs-hero h1{font-size:38px}.fs-hero{column-gap:25px}.paper-link{gap:7px;padding-right:10px}.paper-link img{width:44px;height:44px;flex-basis:44px}.paper-link span{font-size:14px}.fs-steps{gap:36px}.fs-contact{gap:32px;padding:32px}.fs-contact>div+div{padding-left:24px}.fs-contact .fs-button{font-size:15px;gap:8px;padding-right:12px}}
@media(max-width:1000px){.fs-links,.fs-nav>.fs-button{display:none}.fs-menu-button{display:block}.fs-nav{min-height:68px}.fs-hero{grid-template-columns:minmax(0,1fr) minmax(0,1fr);padding-top:38px}.fs-hero h1{font-size:34px;letter-spacing:-1px}.fs-lead{font-size:16px}.fs-actions{gap:14px}.fs-offer{gap:8px}.fs-offer strong{font-size:25px}.fs-section{padding:64px 0}.fs-step h3{font-size:20px}.fs-step{gap:14px;grid-template-columns:32px minmax(0,1fr)}.fs-contact{grid-template-columns:1fr;gap:28px}.fs-contact>div+div{border-left:0;border-top:1px solid var(--line);padding:28px 0 0}.fs-contact .fs-button{font-size:16px}.fs-founder{grid-template-columns:100px minmax(0,1fr)}.fs-founder img{width:100px;height:100px}}
@media(max-width:700px){.fs-shell{width:calc(100% - 36px)}[id]{scroll-margin-top:84px}.fs-brand{font-size:18px;gap:8px}.fs-brand img{width:29px;height:29px}.fs-hero{grid-template-columns:1fr;grid-template-areas:"heading" "summary" "cta" "art" "actions";padding:28px 0 30px;gap:0}.fs-kicker{font-size:13px;line-height:1.6;margin-bottom:13px}.fs-hero h1{font-size:clamp(28px,7.5vw,36px);line-height:1.42;letter-spacing:-.8px;margin-bottom:15px}.fs-lead{font-size:16px;line-height:1.8}.hero-art{margin:17px -5px 0}.hero-art img{max-height:270px;object-fit:contain;object-position:center}.hero-cta{margin-top:17px;gap:12px}.hero-cta .fs-button{font-size:15px;gap:9px;min-height:52px}.hero-cta>a:not(.fs-button){font-size:14px}.hero-actions .fs-offer{margin-top:20px}.hero-actions .fs-note{font-size:13px;margin-top:7px}.paper-shortcuts{grid-template-columns:repeat(2,minmax(0,1fr));gap:10px;padding-bottom:46px}.paper-link{min-height:74px;gap:8px;padding:8px 9px 8px 5px;border-radius:12px}.paper-link img{width:42px;height:42px;flex-basis:42px}.paper-link span{font-size:14px;line-height:1.5}.paper-link b{display:none}.fs-section{padding:46px 0}.fs-section h2{font-size:30px;line-height:1.45;letter-spacing:-.5px;margin-bottom:17px}.fs-intro{font-size:16px;line-height:1.85;margin-bottom:24px}.fs-questions{margin:25px 0}.fs-questions article{grid-template-columns:1fr;gap:7px;padding:20px 0}.fs-questions h3{font-size:21px}.fs-questions p{font-size:16px}.fs-example{grid-template-columns:1fr;gap:16px;padding:22px 20px}.fs-example p{font-size:15px}.fs-example small{font-size:13px}.fs-note{font-size:14px}.fs-steps{grid-template-columns:1fr;gap:20px}.fs-steps>div>h2 br{display:none}.fs-steps>div>p{font-size:16px}.method-art{margin-top:24px}.method-art img{max-height:290px;object-fit:contain}.fs-step{padding:22px 0;grid-template-columns:32px minmax(0,1fr);gap:13px}.fs-step h3{font-size:21px;margin-bottom:10px}.fs-step p{font-size:16px}.delivery-peek{margin-top:20px}.delivery-peek>summary{padding:12px 13px;gap:11px}.delivery-peek>summary img{width:46px;height:46px}.delivery-peek>summary>span{font-size:16px}.delivery-peek small{font-size:13px}.delivery-peek .disclosure-sign{font-size:22px}.delivery-body{padding:8px 20px 24px}.delivery-body h2{font-size:24px}.fs-work-head{font-size:13px}.fs-work-row p{font-size:15px}.fs-founder{grid-template-columns:76px minmax(0,1fr);gap:17px;margin:25px 0}.fs-founder img{width:76px;height:76px}.fs-founder p{font-size:15px}.fs-founder strong{font-size:17px;line-height:1.6}.fs-records{grid-template-columns:1fr;gap:34px;margin:25px 0}.fs-record h3{font-size:23px}.fs-record p:not(.work-date){font-size:16px}.work-date{font-size:12px;margin-bottom:15px}.fs-disclosure{padding:0 16px}.fs-disclosure>summary{font-size:15px;padding:17px 0}.fs-disclosure p,.fs-disclosure blockquote{font-size:14px}.fs-disclosure blockquote{padding:10px 15px}.plain-links{flex-direction:column;gap:10px}.fs-fit-grid{grid-template-columns:1fr;gap:26px;margin:27px 0}.fs-fit-grid p{font-size:16px}.fs-contact{padding:25px 21px;gap:25px}.fs-price{font-size:45px}.fs-contact h3{font-size:27px}.fs-contact>div+div{padding-top:25px}.fs-contact .fs-button{font-size:15px;padding-right:13px;gap:8px}.fs-contact .fs-note{font-size:13px}.fs-footer{padding:32px 0 22px}.fs-footer-top{grid-template-columns:1fr;gap:25px}.fs-footer-links{gap:8px 20px}.fs-footer-bottom{font-size:12px;margin-top:22px;padding-top:20px}}
@media(max-width:360px){.fs-shell{width:calc(100% - 28px)}.fs-brand{font-size:17px}.fs-hero h1{font-size:27px}.fs-contact{padding:23px 17px}.fs-contact .fs-button{font-size:14px}.hero-cta .fs-button{font-size:14px}.paper-link span{font-size:13px}}
/* Browser review: keep mobile action visible, tablet labels intact and tables discoverable. */
a,button,summary{touch-action:manipulation}.fs-mobile-nav{max-height:calc(100svh - 69px);overflow-y:auto;overscroll-behavior:contain}.paper-link span{min-width:0}.table-hint{display:none}
@media(max-width:1000px){.paper-shortcuts{grid-template-columns:repeat(2,minmax(0,1fr))}.paper-link{min-height:74px}.fs-disclosure .table-hint{display:block;font-size:13px;color:var(--green);margin:20px 0 8px}}
@media(prefers-reduced-motion:reduce){*{scroll-behavior:auto!important;transition:none!important}}@media print{.fs-header,.fs-footer,.fs-actions,.paper-shortcuts{display:none}.fs-shell{width:100%}.fs-contact,.fs-steps{display:block}.fs-section{padding:25px 0}.fs-disclosure{break-inside:avoid}}