/* 轉個好方向 5.0｜依 wen8604 設計規範 v1.0；無外部字型與框架 */
:root{
 --c-primary:#1D6B5F;--c-primary-d:#164F47;--c-secondary:#0B4A6B;--c-accent:#C2410C;--c-highlight:#F2B544;
 --c-ink:#1F2B2B;--c-muted:#5D6870;--c-border:#DCE5DD;--c-bg:#F7F5EF;--c-surface:#FFFEFA;
 --c-soft:#EAF2EC;--c-warm:#FBF0E2;--c-on-primary:#FFFFFF;--c-focus:#F2B544;
 --s-care:#0E8A70;--s-factory:#D9541E;--s-technical:#2F74C0;--s-other:#B88A12;
 --grid:#E6ECE7;--axis:#9AA6A0;
 --radius:12px;--radius-sm:8px;--radius-pill:999px;
 --shadow:0 1px 3px rgba(31,43,43,.06),0 8px 24px -12px rgba(31,43,43,.12);
 --shadow-lg:0 24px 60px -20px rgba(22,79,71,.28);
 --ease:cubic-bezier(.22,.61,.36,1);--dur:.26s;
 --header-h:68px;--maxw:1200px;--gutter:clamp(16px,4vw,40px);
 --font:"Noto Sans TC","PingFang TC","Microsoft JhengHei",system-ui,sans-serif;
 --serif:"Noto Serif TC","Source Han Serif TC","PMingLiU",Georgia,serif;
 --mono:ui-monospace,"SF Mono",Menlo,Consolas,monospace;
 color-scheme:light;font-size:16px;interpolate-size:allow-keywords
}
html[data-theme=dark]{
 --c-primary:#7CCBB6;--c-primary-d:#A6DDCD;--c-accent:#F2B544;--c-ink:#EEF2F8;--c-muted:#AEB9C8;--c-border:#2C384B;
 --c-bg:#0E1522;--c-surface:#17202F;--c-soft:#1E2B3B;--c-warm:#231F22;--c-on-primary:#0E1522;
 --s-care:#36A389;--s-factory:#DB6530;--s-technical:#5A8FE0;--s-other:#B88E1A;--grid:#243045;--axis:#6F7C8E;
 --shadow:0 1px 2px rgba(0,0,0,.3),0 10px 30px -14px rgba(0,0,0,.55);--shadow-lg:0 24px 60px -20px rgba(0,0,0,.6);color-scheme:dark
}
html[data-contrast=true]{--c-ink:#081414;--c-muted:#27333A;--c-border:#6E7D78;--c-primary:#11473F;--c-primary-d:#0A332D;--grid:#B8C4BE}
html[data-theme=dark][data-contrast=true]{--c-bg:#10212C;--c-surface:#10212C;--c-ink:#E8F1F5;--c-muted:#D5E0E6;--c-border:#7E97A6;--c-primary:#F2B544;--c-primary-d:#FFD27A;--c-on-primary:#10212C}
html[data-font=large]{font-size:18px}html[data-font=larger]{font-size:21px}
html[data-friendly=true]{font-size:20px}html[data-friendly=true][data-font=larger]{font-size:22px}
html[data-friendly=true] body{line-height:1.9}html[data-friendly=true] :is(button,.btn,select,.choice span,.mobile-nav a){min-height:48px}
html[data-spacing=true] body{line-height:2;letter-spacing:.05em}

*,*:before,*:after{box-sizing:border-box}
html{scroll-padding-top:calc(var(--header-h) + 12px);-webkit-text-size-adjust:100%}
body{margin:0;background:var(--c-bg);color:var(--c-ink);font-family:var(--font);line-height:1.75;font-feature-settings:"palt" 0;-webkit-font-smoothing:antialiased}
h1,h2,h3{margin:0;line-height:1.35;font-weight:700;overflow-wrap:anywhere}
p{margin:0 0 12px;overflow-wrap:anywhere}
a{color:var(--c-primary);text-underline-offset:4px}
button,select,input{font:inherit;color:inherit}
button{cursor:pointer}
:focus-visible{outline:3px solid var(--c-focus);outline-offset:3px;border-radius:6px}
[hidden]{display:none!important}
main:focus{outline:none}
.sr-only{position:absolute;width:1px;height:1px;overflow:hidden;clip:rect(0 0 0 0);white-space:nowrap}
.icon-sprite{position:absolute;width:0;height:0;overflow:hidden}
.icon{width:20px;height:20px;flex-shrink:0;fill:none;stroke:currentColor;stroke-width:1.7;stroke-linecap:round;stroke-linejoin:round;vertical-align:middle}
.skip{position:fixed;left:16px;top:-80px;z-index:100;background:var(--c-surface);padding:10px 16px;border-radius:var(--radius-sm);box-shadow:var(--shadow)}
.skip:focus{top:12px}
.small{font-size:.875rem}.muted{color:var(--c-muted)}
.eyebrow{display:flex;align-items:center;gap:8px;margin:0 0 10px;color:var(--c-primary);font-size:.8125rem;font-weight:600;letter-spacing:.12em}
.dot{width:7px;height:7px;border-radius:50%;background:var(--c-accent);box-shadow:0 0 0 4px color-mix(in srgb,var(--c-accent) 18%,transparent)}

/* 按鈕 */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:10px;min-height:46px;padding:10px 20px;border-radius:var(--radius);font-size:.9375rem;font-weight:600;text-decoration:none;border:1px solid transparent;transition:background var(--dur) var(--ease),transform var(--dur) var(--ease),box-shadow var(--dur) var(--ease),border-color var(--dur)}
.btn .icon{width:18px;height:18px}
.btn-primary{background:var(--c-primary);color:var(--c-on-primary);box-shadow:0 6px 16px -8px color-mix(in srgb,var(--c-primary) 70%,transparent)}
.btn-primary:hover{background:var(--c-primary-d);transform:translateY(-1px)}
.btn-primary:hover .icon{transform:translateX(2px)}.btn .icon{transition:transform var(--dur) var(--ease)}
.btn-secondary{background:var(--c-surface);color:var(--c-primary);border-color:var(--c-primary)}
.btn-secondary:hover{background:var(--c-soft)}
.btn-ghost{color:var(--c-primary);background:transparent;border-color:var(--c-border)}
.btn-ghost:hover{background:var(--c-surface);border-color:var(--c-primary)}
.btn-block{width:100%}
.text-link{display:inline-flex;align-items:center;gap:6px;font-weight:600;font-size:.9375rem}
.text-link .icon{width:16px;height:16px}
.tool-button{display:inline-flex;align-items:center;gap:8px;min-height:44px;padding:8px 12px;border-radius:var(--radius-pill);border:1px solid var(--c-border);background:var(--c-surface);font-size:.8125rem;font-weight:600;color:var(--c-ink);transition:background var(--dur),border-color var(--dur)}
.tool-button:hover{border-color:var(--c-primary);color:var(--c-primary)}
.tool-button.icon-only{width:44px;padding:0;justify-content:center}
.tool-button[aria-pressed=true]{background:var(--c-primary);color:var(--c-on-primary);border-color:var(--c-primary)}
#theme-quick[aria-pressed=true]{background:var(--c-surface);color:var(--c-highlight);border-color:var(--c-border)}
.sun-icon{display:none}html[data-theme=dark] .sun-icon{display:block}html[data-theme=dark] .moon-icon{display:none}

/* 頁首 */
.site-header{position:sticky;top:0;z-index:40;background:color-mix(in srgb,var(--c-bg) 86%,transparent);backdrop-filter:saturate(1.4) blur(12px);-webkit-backdrop-filter:saturate(1.4) blur(12px);border-bottom:1px solid transparent;transition:border-color var(--dur),box-shadow var(--dur)}
.site-header.is-scrolled{border-bottom-color:var(--c-border);box-shadow:0 6px 20px -16px rgba(0,0,0,.35)}
.header-inner{max-width:var(--maxw);margin:auto;height:var(--header-h);padding:0 var(--gutter);display:flex;align-items:center;gap:20px}
.brand{display:flex;align-items:center;gap:10px;text-decoration:none;color:var(--c-ink);min-width:0;margin-right:auto}
.brand-mark svg{width:40px;height:40px;display:block}
.bm-bg{fill:var(--c-primary)}.bm-ring{fill:none;stroke:var(--c-surface);stroke-width:1.8;opacity:.85}.bm-needle{fill:var(--c-highlight);stroke:var(--c-surface);stroke-width:1.2;stroke-linejoin:round}.bm-dot{fill:var(--c-primary)}
html[data-theme=dark] .bm-ring,html[data-theme=dark] .bm-needle{stroke:var(--c-bg)}
.brand-text{display:flex;flex-direction:column;line-height:1.3;min-width:0}
.brand-text strong{font-size:1.0625rem;letter-spacing:.06em}
.brand-text small{font-size:.6875rem;color:var(--c-muted);letter-spacing:.08em;white-space:nowrap}
.desktop-nav{position:relative;display:flex;gap:2px;padding:4px;border-radius:var(--radius-pill);background:var(--c-surface);border:1px solid var(--c-border)}
.desktop-nav a{position:relative;z-index:1;display:flex;align-items:center;gap:7px;min-height:40px;padding:6px 16px;border-radius:var(--radius-pill);text-decoration:none;color:var(--c-muted);font-size:.875rem;font-weight:600;white-space:nowrap;transition:color var(--dur) var(--ease)}
.desktop-nav a .icon{width:18px;height:18px}
.desktop-nav a:hover{color:var(--c-primary)}
.desktop-nav a[aria-current=page]{color:var(--c-on-primary)}
.nav-indicator{position:absolute;z-index:0;top:4px;bottom:4px;left:0;width:0;border-radius:var(--radius-pill);background:var(--c-primary);transition:transform .34s var(--ease),width .34s var(--ease);will-change:transform}
.header-tools{display:flex;align-items:center;gap:8px}

/* 版面 */
main{max-width:var(--maxw);margin:auto;padding:0 var(--gutter);min-height:calc(100vh - var(--header-h) - 120px)}
.page{padding:28px 0 32px}
.page-head{display:flex;align-items:flex-end;justify-content:space-between;gap:16px;margin-bottom:20px}
.page-head h1{font-family:var(--serif);font-size:clamp(1.625rem,3vw,2.25rem);letter-spacing:-.01em}
.badge{display:inline-flex;align-items:center;gap:6px;padding:6px 12px;border-radius:var(--radius-pill);background:var(--c-soft);color:var(--c-primary);font-size:.8125rem;font-weight:600;white-space:nowrap}
.badge .icon{width:16px;height:16px}
.card{background:var(--c-surface);border:1px solid var(--c-border);border-radius:var(--radius);padding:24px;box-shadow:var(--shadow);min-width:0}
.card h2{font-size:1.125rem}
.card-head{display:flex;align-items:baseline;justify-content:space-between;gap:12px;flex-wrap:wrap;margin-bottom:12px}
.hint{font-size:.8125rem;color:var(--c-muted)}
.caveat{display:flex;gap:10px;align-items:flex-start;margin:16px 0 0;font-size:.875rem;color:var(--c-muted)}
.caveat .icon{width:18px;height:18px;margin-top:3px;color:var(--c-primary)}
.notice{padding:16px 20px;background:var(--c-soft);border-radius:var(--radius);margin:20px 0}

/* 首頁 */
.hero{display:grid;grid-template-columns:1fr 1.05fr;gap:clamp(24px,4vw,56px);align-items:center;padding:8px 0 24px}
.hero h1{font-family:var(--serif);font-size:clamp(2rem,4.2vw,3.25rem);line-height:1.3;letter-spacing:-.02em;margin-bottom:16px}
.hero h1 em{font-style:normal;color:var(--c-primary);background:linear-gradient(transparent 68%,color-mix(in srgb,var(--c-highlight) 45%,transparent) 68%)}
.lead{font-size:1.0625rem;color:var(--c-muted);max-width:30em;margin-bottom:24px}
.actions{display:flex;flex-wrap:wrap;gap:12px}
.trust{list-style:none;display:flex;flex-wrap:wrap;gap:8px 20px;padding:0;margin:20px 0 0;font-size:.875rem;color:var(--c-muted)}
.trust li{display:flex;align-items:center;gap:6px}.trust .icon{width:18px;height:18px;color:var(--c-primary)}
.hero-art{margin:0;position:relative}
.hero-art img{display:block;width:100%;height:auto;border-radius:28px 28px 28px 8px;box-shadow:var(--shadow-lg);background:var(--c-warm)}
.hero-art:before{content:"";position:absolute;inset:auto -14px -14px auto;width:44%;height:44%;border-radius:28px;background:radial-gradient(circle at 30% 30%,color-mix(in srgb,var(--c-highlight) 35%,transparent),transparent 70%);z-index:-1}
html[data-theme=dark] .hero-art img{filter:brightness(.88) saturate(.95)}
.kpis{display:grid;grid-template-columns:1.2fr repeat(3,1fr);gap:12px;margin-top:8px}
.kpi{display:flex;flex-direction:column;gap:4px;padding:18px 20px;background:var(--c-surface);border:1px solid var(--c-border);border-radius:var(--radius);box-shadow:var(--shadow)}
.kpi-lead{background:var(--c-primary);border-color:var(--c-primary);color:var(--c-on-primary)}
.kpi-lead .kpi-label,.kpi-lead .kpi-note{color:inherit;opacity:.85}
.kpi-label{display:flex;align-items:center;gap:6px;font-size:.8125rem;color:var(--c-muted);font-weight:600}
.kpi-label .icon{width:17px;height:17px}
.kpi[data-tone=care] .kpi-label .icon{color:var(--s-care)}.kpi[data-tone=factory] .kpi-label .icon{color:var(--s-factory)}.kpi[data-tone=technical] .kpi-label .icon{color:var(--s-technical)}
.kpi strong{font-family:var(--mono);font-size:clamp(1.5rem,2.6vw,2rem);font-weight:600;letter-spacing:-.03em;line-height:1.25;font-variant-numeric:tabular-nums}
.kpi strong small{font-family:var(--font);font-size:.8125rem;font-weight:500;margin-left:4px}
.kpi-note{font-size:.75rem;color:var(--c-muted)}
.kpi-bar{height:6px;border-radius:3px;background:var(--grid);overflow:hidden;margin:4px 0 2px}
.kpi-bar span{display:block;height:100%;border-radius:3px;transform-origin:left;animation:grow .9s var(--ease) both}
.kpi[data-tone=care] .kpi-bar span{background:var(--s-care)}.kpi[data-tone=factory] .kpi-bar span{background:var(--s-factory)}.kpi[data-tone=technical] .kpi-bar span{background:var(--s-technical)}
.w58{width:57.7%}.w31{width:30.9%}.w4{width:3.9%;min-width:4px}
@keyframes grow{from{transform:scaleX(0)}}
.entry-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:12px;margin-top:20px}
.entry{position:relative;display:grid;grid-template-columns:auto 1fr;gap:4px 14px;padding:18px 44px 18px 18px;border-radius:var(--radius);border:1px solid var(--c-border);background:color-mix(in srgb,var(--c-surface) 70%,transparent);text-decoration:none;color:var(--c-ink);transition:transform var(--dur) var(--ease),border-color var(--dur),box-shadow var(--dur)}
.entry:hover{transform:translateY(-2px);border-color:var(--c-primary);box-shadow:var(--shadow)}
.entry-icon{grid-row:span 2;display:grid;place-items:center;width:44px;height:44px;border-radius:12px;background:var(--c-soft);color:var(--c-primary)}
.entry-icon .icon{width:24px;height:24px}
.entry strong{font-size:1rem}.entry span:not(.entry-icon){font-size:.8125rem;color:var(--c-muted);line-height:1.6}
.entry-go{position:absolute;right:16px;top:50%;margin-top:-9px;width:18px;height:18px;color:var(--c-muted);transition:transform var(--dur) var(--ease),color var(--dur)}
.entry:hover .entry-go{transform:translateX(3px);color:var(--c-primary)}
.footnote{display:flex;align-items:center;gap:8px;flex-wrap:wrap;margin:20px 0 0;font-size:.8125rem;color:var(--c-muted)}
.footnote .icon{width:16px;height:16px;color:var(--c-accent)}

/* 資料洞察工具列 */
.toolbar{display:flex;align-items:flex-end;gap:12px;flex-wrap:wrap;padding:12px;border-radius:var(--radius);background:var(--c-surface);border:1px solid var(--c-border);box-shadow:var(--shadow)}
.segmented{display:inline-flex;padding:4px;border-radius:var(--radius);background:var(--c-soft);gap:4px}
.segmented label{position:relative;cursor:pointer}
.segmented input{position:absolute;opacity:0;inset:0;margin:0;cursor:pointer}
.segmented span{display:flex;flex-direction:column;justify-content:center;min-height:44px;padding:4px 16px;border-radius:var(--radius-sm);font-size:.875rem;font-weight:600;line-height:1.25;color:var(--c-muted);transition:background var(--dur) var(--ease),color var(--dur),box-shadow var(--dur)}
.segmented small{font-size:.6875rem;font-weight:500}
.segmented input:checked+span{background:var(--c-surface);color:var(--c-primary);box-shadow:var(--shadow)}
.segmented input:focus-visible+span{outline:3px solid var(--c-focus);outline-offset:2px}
.select-field{display:flex;flex-direction:column;gap:4px;flex:1;min-width:180px;font-size:.75rem;color:var(--c-muted);font-weight:600}
select{appearance:none;width:100%;min-height:44px;padding:8px 36px 8px 12px;border:1px solid var(--c-border);border-radius:var(--radius-sm);background:var(--c-surface) no-repeat right 12px center/12px url("chevron.svg");font-size:.9375rem;color:var(--c-ink)}
.status-line{margin:10px 2px 0;font-size:.8125rem;color:var(--c-muted)}
.subtabs{display:flex;gap:4px;margin:18px 0 16px;padding:4px;border-radius:var(--radius-pill);background:var(--c-soft);width:max-content;max-width:100%;overflow-x:auto;scrollbar-width:none}
.subtabs::-webkit-scrollbar{display:none}
.subtabs button{display:flex;align-items:center;gap:7px;min-height:42px;padding:6px 16px;border:0;border-radius:var(--radius-pill);background:transparent;color:var(--c-muted);font-size:.875rem;font-weight:600;white-space:nowrap;transition:background var(--dur) var(--ease),color var(--dur)}
.subtabs button .icon{width:17px;height:17px}
.subtabs button:hover{color:var(--c-primary)}
.subtabs button[aria-selected=true]{background:var(--c-surface);color:var(--c-primary);box-shadow:var(--shadow)}
.tabpanel{animation:rise .32s var(--ease) both}
@keyframes rise{from{opacity:0;transform:translateY(6px)}}
.analysis{display:grid;grid-template-columns:minmax(0,1.7fr) minmax(0,1fr);gap:16px}
.analysis.two{grid-template-columns:repeat(2,minmax(0,1fr))}
.insight-card{display:flex;flex-direction:column;gap:8px;background:linear-gradient(160deg,var(--c-surface),var(--c-soft))}
.big-number{font-family:var(--mono);font-size:2.25rem;font-weight:600;letter-spacing:-.04em;line-height:1.2;color:var(--c-primary);font-variant-numeric:tabular-nums}
.big-number small{font-family:var(--font);font-size:.875rem;margin-left:4px;color:var(--c-muted)}
.insight-list{margin:4px 0 8px;padding:0;list-style:none;display:flex;flex-direction:column;gap:10px}
.insight-list li{position:relative;padding-left:18px;font-size:.9375rem;line-height:1.65}
.insight-list li:before{content:"";position:absolute;left:0;top:.62em;width:8px;height:8px;border-radius:2px;background:var(--c-accent);transform:rotate(45deg)}
.insight-list strong{color:var(--c-primary);font-family:var(--mono);font-weight:600}

/* 圖表 */
.chart{position:relative;min-height:220px}
.chart svg{display:block;width:100%;height:auto;overflow:visible}
.chart-loading{color:var(--c-muted);font-size:.875rem}
.chart text{font-family:var(--font);fill:var(--c-ink)}
.chart .t-muted{fill:var(--c-muted)}.chart .t-num{font-family:var(--mono);font-variant-numeric:tabular-nums}
.chart .grid{stroke:var(--grid);stroke-width:1}.chart .axis{stroke:var(--axis);stroke-width:1}
.chart .m-care{fill:var(--s-care)}.chart .m-factory{fill:var(--s-factory)}.chart .m-technical{fill:var(--s-technical)}.chart .m-other{fill:var(--s-other)}
.chart .l-care{stroke:var(--s-care)}.chart .l-factory{stroke:var(--s-factory)}.chart .l-technical{stroke:var(--s-technical)}.chart .l-other{stroke:var(--s-other)}
.chart .m-rest{fill:var(--axis)}
.chart .mark{transition:opacity .2s}
.chart .hit{fill:transparent;cursor:pointer}
.chart .hit:focus{outline:none}
.chart .is-dim .mark{opacity:.35}
.chart .is-dim .is-active .mark{opacity:1}
.chart .bar-grow{transform-box:fill-box;transform-origin:left center;animation:grow .7s var(--ease) both}
.chart .col-grow{transform-box:fill-box;transform-origin:center bottom;animation:growY .7s var(--ease) both}
@keyframes growY{from{transform:scaleY(0)}}
.chart .arc{transition:transform .25s var(--ease);transform-origin:center;transform-box:view-box}
.chart .seg-gap{stroke:var(--c-surface);stroke-width:2}
.chart .nodata{fill:none;stroke:var(--axis);stroke-width:1.5;stroke-dasharray:4 4}
.chart .slope{fill:none;stroke-width:2.5;stroke-linecap:round}
.chart .dot{stroke:var(--c-surface);stroke-width:2}
.tooltip{position:absolute;z-index:5;pointer-events:none;min-width:150px;max-width:240px;padding:10px 12px;border-radius:var(--radius-sm);background:var(--c-ink);color:var(--c-bg);font-size:.8125rem;line-height:1.5;box-shadow:var(--shadow-lg);opacity:0;transform:translate(-50%,calc(-100% - 10px)) scale(.97);transition:opacity .15s,transform .15s}
.tooltip.is-on{opacity:1;transform:translate(-50%,calc(-100% - 12px)) scale(1)}
.tooltip strong{display:block;font-family:var(--mono);font-size:1rem}
.tooltip .swatch{display:inline-block;width:10px;height:10px;border-radius:3px;margin-right:6px;vertical-align:-1px}
.legend{display:flex;flex-wrap:wrap;gap:6px 16px;margin:8px 0 0;padding:0;list-style:none;font-size:.8125rem;color:var(--c-muted)}
.legend li{display:flex;align-items:center;gap:6px}
.legend i{width:12px;height:12px;border-radius:3px;display:inline-block}
.legend .k-care{background:var(--s-care)}.legend .k-factory{background:var(--s-factory)}.legend .k-technical{background:var(--s-technical)}.legend .k-other{background:var(--s-other)}
.compare-fallback{font-size:.8125rem;color:var(--c-muted)}
.chart-ready .compare-fallback{display:none}
.quality-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:12px;margin-bottom:16px}
.q-tile{padding:18px;border-radius:var(--radius);background:var(--c-surface);border:1px solid var(--c-border);box-shadow:var(--shadow)}
.q-tile span{display:block;font-size:.8125rem;color:var(--c-muted);font-weight:600}
.q-tile strong{display:block;font-family:var(--mono);font-size:1.625rem;font-weight:600;letter-spacing:-.03em;margin:4px 0}
.q-tile small{font-size:.75rem;color:var(--c-muted);line-height:1.5;display:block}
.q-tile .q-ok{color:var(--c-primary)}
.ring{width:44px;height:44px;float:right;margin:-4px -4px 0 6px}
.ring circle{fill:none;stroke-width:5}.ring .r-bg{stroke:var(--grid)}.ring .r-fg{stroke:var(--c-primary);stroke-linecap:round;transform:rotate(-90deg);transform-origin:center}

/* 收合文章：支援的瀏覽器會平滑展開 */
details{border-bottom:1px solid var(--c-border)}
details:last-child{border-bottom:0}
summary{position:relative;display:flex;align-items:center;min-height:52px;padding:12px 40px 12px 0;cursor:pointer;list-style:none;font-weight:600;font-size:.9375rem;transition:color var(--dur)}
summary::-webkit-details-marker{display:none}
summary:hover{color:var(--c-primary)}
summary:after{content:"";position:absolute;right:6px;top:50%;width:9px;height:9px;margin-top:-7px;border-right:2px solid var(--c-muted);border-bottom:2px solid var(--c-muted);transform:rotate(45deg);transition:transform var(--dur) var(--ease)}
details[open]>summary{color:var(--c-primary)}
details[open]>summary:after{transform:rotate(225deg);margin-top:-2px;border-color:var(--c-primary)}
details::details-content{block-size:0;overflow:hidden;opacity:0;transition:block-size .3s var(--ease),opacity .3s var(--ease),content-visibility .3s allow-discrete}
details[open]::details-content{block-size:auto;opacity:1}
.details-body{padding:0 4px 16px 0;color:var(--c-muted);font-size:.9375rem}
.details-body p:last-child{margin-bottom:0}
.accordion-card{padding:4px 24px}
.accordion-card.narrow{max-width:820px}
.table-details{margin-top:12px;border-top:1px solid var(--c-border)}
.table-wrap{overflow-x:auto}
table{width:100%;border-collapse:collapse;font-size:.875rem}
caption{text-align:left;color:var(--c-muted);padding:4px 0 8px;font-size:.8125rem}
th,td{padding:10px 8px;border-bottom:1px solid var(--c-border);text-align:left}
th{font-size:.8125rem;color:var(--c-muted);font-weight:600}
td:not(:first-child),th:not(:first-child){text-align:right;font-family:var(--mono);font-variant-numeric:tabular-nums}
code{font-family:var(--mono);font-size:.75rem;word-break:break-all}

/* 轉換導引 */
.stepper{list-style:none;display:flex;gap:8px;margin:0 0 16px;padding:0;counter-reset:s}
.stepper li{flex:1;display:flex;align-items:center;gap:8px;padding:10px 12px;border-radius:var(--radius-sm);background:var(--c-surface);border:1px solid var(--c-border);font-size:.875rem;color:var(--c-muted);font-weight:600;transition:all var(--dur) var(--ease)}
.stepper span{display:grid;place-items:center;width:26px;height:26px;border-radius:50%;background:var(--c-soft);color:var(--c-primary);font-size:.8125rem;flex-shrink:0}
.stepper .is-active{border-color:var(--c-primary);color:var(--c-primary)}
.stepper .is-active span,.stepper .is-done span{background:var(--c-primary);color:var(--c-on-primary)}
.guide-grid{display:grid;grid-template-columns:1fr 1fr;gap:16px}
.field{display:flex;flex-direction:column;gap:8px;margin:0 0 18px;border:0;padding:0}
.field-label{font-weight:600;font-size:.9375rem;padding:0}
.choice-list{display:flex;flex-direction:column;gap:8px}
.choice{position:relative;cursor:pointer}
.choice input{position:absolute;opacity:0;inset:0;margin:0;cursor:pointer}
.choice span{display:grid;grid-template-columns:auto 1fr;gap:0 12px;align-items:center;padding:12px 14px;border:1px solid var(--c-border);border-radius:var(--radius);transition:border-color var(--dur),background var(--dur),box-shadow var(--dur)}
.choice .icon{grid-row:span 2;width:22px;height:22px;color:var(--c-muted)}
.choice strong{font-size:.9375rem}.choice small{font-size:.8125rem;color:var(--c-muted)}
.choice:hover span{border-color:var(--c-primary)}
.choice input:checked+span{border-color:var(--c-primary);background:var(--c-soft);box-shadow:inset 0 0 0 1px var(--c-primary)}
.choice input:checked+span .icon{color:var(--c-primary)}
.choice input:focus-visible+span{outline:3px solid var(--c-focus);outline-offset:2px}
.result{display:flex;flex-direction:column;justify-content:center;align-items:flex-start;background:linear-gradient(160deg,var(--c-surface),var(--c-warm));scroll-margin-top:calc(var(--header-h) + 16px)}
.result:focus{outline:2px solid var(--c-primary);outline-offset:3px}
.result h2{font-family:var(--serif);font-size:1.5rem;margin-bottom:8px}
.result>p{color:var(--c-muted)}
.result .small .icon{width:16px;height:16px;margin-right:4px;color:var(--c-primary)}
.result .btn{margin-top:6px}
.result-art svg{width:110px;height:92px;margin-bottom:8px}
.ra-bg{fill:var(--c-soft)}.ra-ring{fill:none;stroke:var(--c-primary);stroke-width:1.5;stroke-dasharray:3 5}.ra-needle{fill:var(--c-highlight);stroke:var(--c-primary);stroke-width:1.5;stroke-linejoin:round}.ra-dot{fill:var(--c-primary)}.ra-leaf{fill:var(--s-care);opacity:.7}
.result.is-new{animation:rise .35s var(--ease) both}
.subtabs.compact{margin-top:24px}
.flow-steps{list-style:none;counter-reset:step;margin:0 0 12px;padding:0}
.flow-steps li{counter-increment:step;position:relative;padding:0 0 18px 44px;margin-left:14px;border-left:2px dashed var(--c-border)}
.flow-steps li:last-child{border-left-color:transparent;padding-bottom:6px}
.flow-steps li:before{content:counter(step);position:absolute;left:-15px;top:-2px;width:28px;height:28px;border-radius:50%;display:grid;place-items:center;background:var(--c-primary);color:var(--c-on-primary);font-size:.8125rem;font-weight:700}
.flow-steps strong{display:block}.flow-steps span{display:block;font-size:.875rem;color:var(--c-muted)}
.help-grid{display:grid;grid-template-columns:1.1fr 1fr 1fr;gap:12px}
.help-card{display:flex;flex-direction:column;gap:4px;padding:18px;border:1px solid var(--c-border);border-radius:var(--radius);background:var(--c-surface);text-decoration:none;color:var(--c-ink);box-shadow:var(--shadow);transition:transform var(--dur) var(--ease),border-color var(--dur)}
.help-card:hover{transform:translateY(-2px);border-color:var(--c-primary)}
.help-card .icon{width:24px;height:24px;color:var(--c-primary);margin-bottom:4px}
.help-card strong{font-size:1rem;color:var(--c-primary)}
.help-card span{font-size:.8125rem;color:var(--c-muted)}
.help-call{background:var(--c-primary);border-color:var(--c-primary);color:var(--c-on-primary)}
.help-call .icon,.help-call strong,.help-call span{color:inherit}
.help-call strong{font-family:var(--mono);font-size:2rem;letter-spacing:.08em;line-height:1.2}
.help-call span{opacity:.9}

/* 使用指南 */
.about-grid{display:grid;grid-template-columns:minmax(0,.9fr) minmax(0,1.2fr);gap:16px;align-items:start}
.source-card dl{display:grid;grid-template-columns:auto 1fr;gap:8px 16px;margin:14px 0 16px;font-size:.875rem}
.source-card dt{color:var(--c-muted)}.source-card dd{margin:0;font-weight:600}

/* 頁尾 */
.site-footer{max-width:var(--maxw);margin:16px auto 0;padding:16px var(--gutter) 28px;font-size:.875rem;color:var(--c-muted)}
.footer-row{display:flex;justify-content:space-between;gap:8px 24px;flex-wrap:wrap;padding-top:12px;border-top:1px solid var(--c-border)}
.footer-sub{border-top:0;padding-top:6px;font-size:.8125rem}
.footer-brand{color:var(--c-ink);font-weight:600}
.visits strong{font-family:var(--mono);font-weight:600;color:var(--c-primary)}
.mobile-nav{display:none}

/* 設定對話框 */
dialog{width:min(440px,calc(100vw - 32px));max-height:88dvh;overflow:auto;padding:24px;border:1px solid var(--c-border);border-radius:18px;background:var(--c-surface);color:var(--c-ink);box-shadow:var(--shadow-lg)}
dialog[open]{animation:pop .24s var(--ease) both}
@keyframes pop{from{opacity:0;transform:translateY(8px) scale(.98)}}
dialog::backdrop{background:rgba(14,21,34,.45);backdrop-filter:blur(4px)}
.dialog-head{display:flex;align-items:center;justify-content:space-between;margin-bottom:4px}
.dialog-head h2{display:flex;align-items:center;gap:8px;font-size:1.25rem}
.switch{display:flex;align-items:center;gap:12px;min-height:44px;margin:4px 0;font-size:.9375rem;cursor:pointer}
.switch input{appearance:none;flex-shrink:0;width:42px;height:24px;border-radius:12px;background:var(--c-border);position:relative;cursor:pointer;transition:background var(--dur);margin:0}
.switch input:before{content:"";position:absolute;top:3px;left:3px;width:18px;height:18px;border-radius:50%;background:#fff;box-shadow:0 1px 3px rgba(0,0,0,.25);transition:transform var(--dur) var(--ease)}
.switch input:checked{background:var(--c-primary)}
.switch input:checked:before{transform:translateX(18px)}
dialog .btn-block{margin-top:12px}

/* 換頁轉場（View Transitions；不支援時以 CSS 進場） */
.page:not([hidden]){animation:rise .3s var(--ease) both}
::view-transition-old(main-content){animation:vt-out .18s var(--ease) both}
::view-transition-new(main-content){animation:vt-in .28s var(--ease) both}
main{view-transition-name:main-content}
@keyframes vt-out{to{opacity:0;transform:translateY(-4px)}}
@keyframes vt-in{from{opacity:0;transform:translateY(8px)}}

/* 減少動態 */
html[data-motion=true] *,html[data-motion=true] *:before,html[data-motion=true] *:after,html[data-motion=true] ::details-content{animation:none!important;transition:none!important;scroll-behavior:auto!important}
@media (prefers-reduced-motion:reduce){*,*:before,*:after,::details-content{animation:none!important;transition:none!important;scroll-behavior:auto!important}}
@media (forced-colors:active){.card,.kpi,.entry,.toolbar{border:1px solid CanvasText}.nav-indicator{background:Highlight}.chart .mark{forced-color-adjust:none}}

/* 平板（701–1024px）：導覽改為圖示＋短文字，工具精簡 */
@media (max-width:1024px){
 .desktop-nav a{padding:6px 12px;gap:6px}
 .desktop-nav a span{font-size:.8125rem}
 #friendly-quick span{display:none}#friendly-quick{width:44px;padding:0;justify-content:center}
 .brand-text small{display:none}
 .hero{grid-template-columns:1fr 1fr}
 .kpis{grid-template-columns:repeat(2,1fr)}
 .analysis{grid-template-columns:1fr}
 .insight-card{display:grid;grid-template-columns:auto 1fr;align-items:start;gap:4px 24px}
 .insight-card .eyebrow,.insight-card .big-number{grid-column:1}.insight-card .insight-list{grid-column:2;grid-row:1/span 3}.insight-card>p{grid-column:1}
 .quality-grid{grid-template-columns:repeat(2,1fr)}
 .help-grid{grid-template-columns:1fr 1fr}.help-call{grid-column:1/-1}
}
@media (max-width:860px){
 .desktop-nav a span{display:none}.desktop-nav a{padding:6px 14px}
 .desktop-nav a .icon{width:20px;height:20px}
 .entry-grid{grid-template-columns:1fr}
 .analysis.two{grid-template-columns:1fr}
 .about-grid{grid-template-columns:1fr}
}
/* 手機（≤700px）：底部分頁列、單欄、緊湊間距 */
@media (max-width:700px){
 :root{--header-h:58px}
 .desktop-nav{display:none}
 .brand-mark svg{width:34px;height:34px}
 .brand-text strong{font-size:1rem}
 .tool-button{min-height:40px}.tool-button.icon-only,#friendly-quick{width:40px}
 .header-tools{gap:6px}
 .page{padding:18px 0 24px}
 .hero{grid-template-columns:1fr;gap:18px;padding-top:0}
 .hero-art{order:-1}
 .hero-art img{border-radius:20px 20px 20px 6px;aspect-ratio:16/10;object-fit:cover;object-position:50% 62%}
 .hero h1{font-size:1.75rem}
 .lead{font-size:.9375rem;margin-bottom:18px}
 .actions .btn{flex:1}
 .kpis{gap:8px}.kpi{padding:14px}.kpi-lead{grid-column:1/-1}
 .entry{padding:14px 40px 14px 14px}
 .page-head{margin-bottom:14px;align-items:flex-start;flex-direction:column;gap:8px}
 .page-head h1{font-size:1.5rem}
 .toolbar{padding:10px}
 .segmented{width:100%}.segmented label{flex:1}.segmented span{padding:4px 10px;align-items:center;text-align:center}
 .toolbar .btn{flex:1}
 .subtabs{width:100%;border-radius:var(--radius)}.subtabs button{flex:1;justify-content:center;padding:6px 10px;font-size:.8125rem}
 .subtabs button .icon{display:none}
 .card{padding:18px}.accordion-card{padding:2px 18px}
 .insight-card{display:flex}
 .big-number{font-size:1.875rem}
 .quality-grid{gap:8px}.q-tile{padding:14px}.q-tile strong{font-size:1.375rem}
 .stepper li{flex-direction:column;align-items:flex-start;gap:4px;font-size:.75rem;padding:8px}
 .guide-grid{grid-template-columns:1fr}
 .result{min-height:0}.result-art svg{width:84px;height:70px}
 .help-grid{grid-template-columns:1fr}
 .site-footer{padding-bottom:calc(92px + env(safe-area-inset-bottom))}
 .footer-row{flex-direction:column}
 .mobile-nav{display:flex;position:fixed;left:12px;right:12px;bottom:calc(10px + env(safe-area-inset-bottom));z-index:50;padding:6px;gap:4px;border-radius:20px;background:color-mix(in srgb,var(--c-surface) 92%,transparent);backdrop-filter:blur(14px);-webkit-backdrop-filter:blur(14px);border:1px solid var(--c-border);box-shadow:0 12px 32px -12px rgba(0,0,0,.35)}
 .mobile-nav a{flex:1;display:flex;flex-direction:column;align-items:center;justify-content:center;gap:2px;min-height:52px;border-radius:14px;text-decoration:none;color:var(--c-muted);font-size:.75rem;font-weight:600;transition:background var(--dur) var(--ease),color var(--dur)}
 .mobile-nav .icon{width:22px;height:22px;transition:transform var(--dur) var(--ease)}
 .mobile-nav a[aria-current=page]{background:var(--c-soft);color:var(--c-primary)}
 .mobile-nav a[aria-current=page] .icon{transform:translateY(-1px) scale(1.06)}
}
@media (max-width:420px){.subtabs{flex-wrap:wrap}.subtabs button{flex:1 1 calc(50% - 4px)}}
@media (max-width:360px){
 .brand-text strong{font-size:.9375rem}.header-tools{gap:4px}
 .tool-button.icon-only,#friendly-quick{width:36px}
 .kpis{grid-template-columns:1fr}
}
@media print{
 .site-header,.mobile-nav,.toolbar,dialog,.skip,.subtabs,.hero-art{display:none!important}
 .page[hidden],.tabpanel[hidden]{display:block!important}
 body{background:#fff;color:#000}.card{box-shadow:none;break-inside:avoid}
 details::details-content{block-size:auto;opacity:1}
}