/*
 * TronGreen 讀者頁樣式（2026-10-22 新聞前台改版；原 site.css＋site-extra.css 合併）。
 * 只用系統中文字型（不下載字型檔）、沒有前端框架。色彩都走下方 token：淺色＝暖白底、深灰文字、綠色點綴；
 * 深色＝[data-theme=dark]（主題腳本依讀者選擇或系統偏好設定），沒有 JavaScript 時由 prefers-color-scheme 決定。
 */
@charset "UTF-8";

:root{
  color-scheme:light;
  --paper:#faf8f3;--surface:#ffffff;--surface-2:#f2f0e8;
  --ink:#1b201d;--text:#2d3430;--muted:#5b645e;
  --line:#e3dfd4;--line-strong:#cdc8bb;
  --brand:#1c6a47;--brand-strong:#144f35;--brand-soft:#e4efe5;--on-brand:#ffffff;
  --accent:#d8ebad;--on-accent:#1d3a24;--badge-bg:rgba(20,28,24,.74);
  --switch-bg:#f0eee6;--switch-thumb:#ffffff;--switch-shadow:0 1px 3px rgba(27,32,29,.16),0 0 0 1px rgba(27,32,29,.05);
  --price-bg:linear-gradient(135deg,#1f7350 0%,#123f2b 100%);--price-ink:#ffffff;--price-muted:rgba(255,255,255,.8);
  --price-accent:#d8ebad;--price-line:rgba(255,255,255,.16);--price-shadow:0 22px 44px -26px rgba(18,63,43,.8);
  --card-shadow:0 10px 28px -20px rgba(27,45,35,.45);
  --font-sans:"Noto Sans TC","Noto Sans CJK TC","PingFang TC","Microsoft JhengHei","Heiti TC",system-ui,-apple-system,"Segoe UI",sans-serif;
  --font-mono:ui-monospace,SFMono-Regular,Menlo,Consolas,monospace;
  --radius:6px;--radius-lg:10px;
  --gutter:16px;--masthead-h:60px
}
:root[data-theme=dark]{
  color-scheme:dark;
  --paper:#111513;--surface:#171c19;--surface-2:#1d2420;
  --ink:#edf1ed;--text:#d2d9d3;--muted:#a0aba3;
  --line:#28302b;--line-strong:#3a443e;
  --brand:#8fd1a6;--brand-strong:#b5e3c4;--brand-soft:#1c2b22;--on-brand:#0f1a14;
  --badge-bg:rgba(0,0,0,.7);
  --switch-bg:#0b0e0c;--switch-thumb:#28332c;--switch-shadow:0 1px 3px rgba(0,0,0,.5),inset 0 0 0 1px rgba(255,255,255,.06);
  --price-bg:linear-gradient(135deg,#1f3d2c 0%,#131f18 100%);--price-ink:#f1f5f1;--price-muted:#b3c2b7;
  --price-accent:#a6dfb9;--price-line:rgba(143,209,166,.2);--price-shadow:0 22px 44px -26px rgba(0,0,0,.9);
  --card-shadow:0 10px 28px -20px rgba(0,0,0,.9)
}
@media (prefers-color-scheme:dark){
  :root:not([data-theme]){
    color-scheme:dark;
    --paper:#111513;--surface:#171c19;--surface-2:#1d2420;
    --ink:#edf1ed;--text:#d2d9d3;--muted:#a0aba3;
    --line:#28302b;--line-strong:#3a443e;
    --brand:#8fd1a6;--brand-strong:#b5e3c4;--brand-soft:#1c2b22;--on-brand:#0f1a14;
    --badge-bg:rgba(0,0,0,.7);
    --switch-bg:#0b0e0c;--switch-thumb:#28332c;--switch-shadow:0 1px 3px rgba(0,0,0,.5),inset 0 0 0 1px rgba(255,255,255,.06);
    --price-bg:linear-gradient(135deg,#1f3d2c 0%,#131f18 100%);--price-ink:#f1f5f1;--price-muted:#b3c2b7;
    --price-accent:#a6dfb9;--price-line:rgba(143,209,166,.2);--price-shadow:0 22px 44px -26px rgba(0,0,0,.9);
    --card-shadow:0 10px 28px -20px rgba(0,0,0,.9)
  }
}

/* ---------- 基礎 ---------- */
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;text-size-adjust:100%;scroll-padding-top:calc(var(--masthead-h) + 16px)}
@media (prefers-reduced-motion:no-preference){html{scroll-behavior:smooth}}
body{margin:0;background:var(--paper);color:var(--text);font:16px/1.75 var(--font-sans);-webkit-font-smoothing:antialiased;overflow-wrap:break-word}
img,svg{display:block;max-width:100%}
img{height:auto}
svg{flex-shrink:0}
a{color:inherit;text-decoration:none}
a:hover{color:var(--brand)}
a,button,input,select,summary{-webkit-tap-highlight-color:transparent;touch-action:manipulation}
:focus-visible{outline:3px solid var(--brand);outline-offset:3px;border-radius:2px}
h1,h2,h3,h4{margin:0;color:var(--ink);font-weight:700;line-height:1.4;letter-spacing:0;overflow-wrap:anywhere}
p,ol,ul,figure{margin:0}
button,input,select{font:inherit;color:inherit}
button,select,summary{cursor:pointer}
code{font-family:var(--font-mono);font-size:.92em;overflow-wrap:anywhere}
::selection{background:var(--accent);color:var(--on-accent)}
[hidden]{display:none!important}
.container{width:min(1200px,100% - 2 * var(--gutter));margin-inline:auto;min-width:0}
.sr-only{position:absolute;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;clip:rect(0,0,0,0);white-space:nowrap;border:0}
.skip{position:fixed;top:-100px;left:16px;z-index:100;padding:10px 18px;border-radius:var(--radius);background:var(--brand);color:var(--on-brand)}
.skip:focus{top:10px}
.js-only{display:none}
.js .js-only{display:flex}
.env-banner{padding:5px 16px;background:var(--accent);color:var(--on-accent);font:600 13px/1.6 var(--font-sans);text-align:center}
.preview-banner{margin:0 0 16px;padding:12px 16px;border:1px dashed var(--brand);border-radius:var(--radius);background:var(--brand-soft);color:var(--ink);font-size:14px}

/* ---------- 共用元件 ---------- */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;min-height:44px;padding:0 18px;border:1px solid transparent;border-radius:var(--radius);background:var(--ink);color:var(--paper);font-size:14px;font-weight:700;line-height:1.4}
.btn:hover{background:var(--brand);color:var(--on-brand)}
.text-link{display:inline-flex;align-items:center;gap:8px;min-height:44px;color:var(--brand);font-weight:600;text-decoration:underline;text-underline-offset:4px}
.more{display:inline-flex;align-items:center;gap:6px;min-height:44px;color:var(--brand);font-size:14px;font-weight:600;white-space:nowrap}
.more:hover{text-decoration:underline;text-underline-offset:4px}
.tag{display:inline-block;padding:1px 8px;border-radius:4px;background:var(--brand-soft);color:var(--brand);font-size:12px;font-weight:700;line-height:1.7}
.eyebrow,.section-eyebrow{margin:0 0 8px;color:var(--muted);font-size:11.5px;font-weight:700;letter-spacing:1.6px}
.lead{color:var(--muted);font-size:16px;line-height:1.85;overflow-wrap:anywhere}
.empty-state{padding:28px 0 44px}
.empty-state h2{font-size:21px;margin-bottom:8px}
.empty-state p{color:var(--muted);margin-bottom:6px}
.topic-links{display:flex;flex-wrap:wrap;gap:8px;margin:0 0 20px}
.topic-links a{display:inline-flex;align-items:center;min-height:44px;padding:0 16px;border:1px solid var(--line);border-radius:999px;background:var(--surface);color:var(--ink);font-size:14px;font-weight:600}
.topic-links a:hover,.topic-links a[aria-current=page]{border-color:var(--brand);background:var(--brand-soft);color:var(--brand)}
.search-box{display:flex;flex-wrap:wrap;align-items:center;gap:10px;margin:0 0 16px}
.search-box label{color:var(--ink);font-weight:700}
.search-box input{flex:1 1 240px;min-width:0;max-width:560px;height:46px;padding:0 14px;border:1px solid var(--line-strong);border-radius:var(--radius);background:var(--surface);font-size:16px}
.search-summary{margin:0 0 4px;color:var(--muted);font-size:14px}

/* ---------- 版頭與導覽 ---------- */
.masthead{position:sticky;top:0;z-index:40;background:var(--paper);border-bottom:1px solid var(--line)}
.masthead-inner{display:flex;align-items:center;gap:22px;min-height:var(--masthead-h)}
.brand{display:inline-flex;align-items:center;gap:9px;color:var(--ink);font:700 21px/1 var(--font-sans);letter-spacing:-.2px;white-space:nowrap}
.brand:hover{color:var(--ink)}
.brandmark{display:grid;place-items:center;width:32px;height:32px;border:1.5px solid currentColor;border-radius:50%;font:italic 20px/1 Georgia,serif;letter-spacing:-1.5px;padding-right:2px}
.nav{display:flex;align-items:center;gap:18px;margin-left:auto;min-width:0}
.nav-group{display:flex;align-items:center;gap:18px}
.nav a{position:relative;display:inline-flex;align-items:center;min-height:44px;color:var(--ink);font-size:15px;font-weight:600;white-space:nowrap}
.nav a:hover,.nav a.active{color:var(--brand)}
.nav a.active::after{content:"";position:absolute;left:0;right:0;bottom:4px;height:2px;background:var(--brand)}
.nav-more{padding-left:18px;border-left:1px solid var(--line)}
.nav-more a{color:var(--muted);font-size:14px;font-weight:500}
.nav-search{display:none}
.header-actions{display:flex;align-items:center;gap:8px;flex-shrink:0}
/* 主題切換：自動／淺色／深色三格，滑塊跟著 <html data-theme-mode>（主題腳本在第一次繪製前設定）。 */
.theme-switch{--seg:34px;position:relative;align-items:center;padding:3px;border:1px solid var(--line);border-radius:999px;background:var(--switch-bg)}
.theme-switch::before{content:"";position:absolute;top:3px;left:3px;width:var(--seg);height:var(--seg);border-radius:50%;background:var(--switch-thumb);box-shadow:var(--switch-shadow);transition:transform .28s cubic-bezier(.3,.7,.3,1)}
:root[data-theme-mode=light] .theme-switch::before{transform:translateX(100%)}
:root[data-theme-mode=dark] .theme-switch::before{transform:translateX(200%)}
.theme-switch label{position:relative;display:grid;place-items:center;width:var(--seg);height:var(--seg);border-radius:50%;color:var(--muted);cursor:pointer;transition:color .2s}
.theme-switch label:hover{color:var(--ink)}
:root[data-theme-mode=auto] .theme-switch [data-mode=auto],
:root[data-theme-mode=light] .theme-switch [data-mode=light],
:root[data-theme-mode=dark] .theme-switch [data-mode=dark]{color:var(--brand)}
.theme-switch input:focus-visible+label{outline:2px solid var(--brand);outline-offset:1px}
.search-link,.menu-toggle{display:flex;align-items:center;justify-content:center;width:44px;height:44px;border:1px solid var(--line);border-radius:var(--radius);background:transparent;color:var(--ink)}
.menu-toggle{display:none}
@media (max-width:1099px){
  .masthead-inner{flex-wrap:wrap;gap:0 10px}
  .brand{margin-right:auto}
  .nav{order:3;flex-basis:100%;flex-direction:column;align-items:stretch;gap:14px;margin:0;padding:12px 0 18px;border-top:1px solid var(--line)}
  .js .nav{display:none}
  .js .nav.open{display:flex}
  .js .menu-toggle{display:flex}
  .nav-group{flex-wrap:wrap;gap:8px}
  .nav-group a{padding:0 15px;border:1px solid var(--line);border-radius:999px;background:var(--surface);font-size:15px}
  .nav a.active{border-color:var(--brand);background:var(--brand-soft)}
  .nav a.active::after{display:none}
  .nav-more{padding-left:0;border-left:0}
  .nav-more a{color:var(--ink)}
  .nav-search{display:flex;gap:8px}
  .nav-search input{flex:1;min-width:0;height:44px;padding:0 14px;border:1px solid var(--line-strong);border-radius:var(--radius);background:var(--surface);font-size:16px}
  .search-link{display:none}
}

/* ---------- 首頁 ---------- */
.front-head{display:flex;flex-wrap:wrap;align-items:baseline;gap:2px 14px;padding:18px 0 14px;margin-bottom:22px;border-bottom:1px solid var(--line)}
.front-head h1{font-size:19px;line-height:1.45}
.front-tagline{flex:1 1 auto;color:var(--muted);font-size:14px}
.front-updated{color:var(--muted);font-size:13px;white-space:nowrap}
.top-stories{display:grid;grid-template-columns:minmax(0,1fr);gap:28px;padding-bottom:32px;border-bottom:1px solid var(--line)}
.top-secondary{display:grid;gap:24px;align-content:start}
.top-stories:not(.has-secondary) .top-lead{max-width:760px}
.rail-head{display:flex;align-items:center;justify-content:space-between;gap:12px;padding-bottom:4px;border-bottom:2px solid var(--ink)}
.rail-head h2{font-size:17px}
.rail-list{list-style:none;margin:0;padding:0}
.rail-list>li{border-bottom:1px solid var(--line)}
.rail-list>li:last-child{border-bottom:0}
@media (min-width:760px){
  .top-stories.has-secondary{grid-template-columns:minmax(0,7fr) minmax(0,5fr)}
  .top-stories.has-secondary .top-latest{grid-column:1/-1}
  .top-stories.has-secondary .top-latest .rail-list{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));column-gap:32px}
  .top-stories.has-secondary .top-latest .rail-list>li:nth-last-child(2):nth-child(odd){border-bottom:0}
}
@media (min-width:1100px){
  .top-stories{gap:32px}
  .top-stories.has-secondary.has-latest{grid-template-columns:minmax(0,6fr) minmax(0,3fr) minmax(0,3fr)}
  .top-stories.has-secondary.has-latest .top-latest{grid-column:auto;padding-left:24px;border-left:1px solid var(--line)}
  .top-stories.has-secondary.has-latest .top-latest .rail-list{display:block}
}
.home-section{padding:36px 0 4px}
.section-head{display:flex;align-items:center;justify-content:space-between;gap:16px;padding-bottom:4px;margin-bottom:20px;border-bottom:2px solid var(--ink)}
.section-head h2{font-size:20px}
.section-head h2 a:hover{color:var(--brand)}
.card-grid{display:grid;grid-template-columns:minmax(0,1fr);gap:32px 24px}
@media (min-width:600px){.card-grid{grid-template-columns:repeat(2,minmax(0,1fr))}}
@media (min-width:1000px){.card-grid{grid-template-columns:repeat(3,minmax(0,1fr))}}
.topic-blocks{display:grid;grid-template-columns:minmax(0,1fr);gap:36px 32px}
@media (min-width:760px){.topic-blocks{grid-template-columns:repeat(2,minmax(0,1fr))}}
@media (min-width:1100px){.topic-blocks{grid-template-columns:repeat(3,minmax(0,1fr))}}
.topic-block .section-head{margin-bottom:16px}
.topic-block .rail-list{margin-top:6px;border-top:1px solid var(--line)}

/* ---------- 文章卡片 ---------- */
.story{position:relative;display:flex;flex-direction:column;gap:12px;min-width:0}
.story-media{position:relative;display:block;overflow:hidden;aspect-ratio:16/9;border-radius:var(--radius);background:var(--surface-2)}
.story-media img{width:100%;height:100%;object-fit:cover}
.story-badge{position:absolute;left:8px;bottom:8px;padding:0 7px;border-radius:4px;background:var(--badge-bg);color:#fff;font-size:11px;line-height:1.9}
.story-fallback{display:flex;flex-direction:column;justify-content:flex-end;gap:2px;width:100%;height:100%;padding:12px 14px;border:1px solid var(--line);border-radius:inherit;background:var(--brand-soft);color:var(--brand)}
.story-fallback span{font-size:clamp(18px,2.4vw,28px);font-weight:700;line-height:1.2}
.story-fallback small{color:var(--muted);font-size:11px;letter-spacing:.5px}
.story-body{display:flex;flex-direction:column;gap:6px;min-width:0}
.story-kicker{display:flex;flex-wrap:wrap;align-items:center;gap:2px 8px;color:var(--muted);font-size:12.5px;line-height:1.6}
.story-kicker>*+*::before{content:"·";margin-right:8px;color:var(--muted);font-weight:400}
.story-kicker a{color:var(--brand);font-weight:700}
.story-kicker a:hover{text-decoration:underline;text-underline-offset:3px}
.story-label{padding:0 6px;border-radius:4px;background:var(--accent);color:var(--on-accent);font-weight:700}
.story-title{font-size:18px;line-height:1.5;text-wrap:pretty}
.story-title a:hover{color:var(--brand)}
.story-dek{display:-webkit-box;-webkit-box-orient:vertical;-webkit-line-clamp:3;overflow:hidden;color:var(--muted);font-size:14.5px;line-height:1.75}
.story-meta{color:var(--muted);font-size:12.5px;line-height:1.6}
.story--lead{gap:16px}
.story--lead .story-title{font-size:clamp(23px,1.3vw + 15px,31px);line-height:1.4}
.story--lead .story-dek{-webkit-line-clamp:4;color:var(--text);font-size:16px;line-height:1.8}
.story--secondary .story-title{font-size:17px}
.story--compact{gap:2px;padding:12px 0}
.story--compact .story-title{font-size:15.5px;line-height:1.55;font-weight:600}
.story--compact .story-kicker{font-size:12px}
.story-list{list-style:none;margin:0;padding:0;border-top:1px solid var(--line)}
.story-list>li{padding:20px 0;border-bottom:1px solid var(--line)}
.story--row,.story--mini{display:grid;grid-template-columns:minmax(0,1fr) 112px;gap:14px;align-items:start}
.story--row .story-media,.story--mini .story-media{grid-column:2;grid-row:1}
.story--row .story-body,.story--mini .story-body{grid-column:1;grid-row:1}
.story--row .story-title{font-size:17px}
.story--row .story-dek{display:none}
.story--mini .story-title{font-size:16px;line-height:1.55}
@media (min-width:600px){
  .story--row{grid-template-columns:240px minmax(0,1fr);gap:24px}
  .story--row .story-media{grid-column:1}
  .story--row .story-body{grid-column:2}
  .story--row .story-title{font-size:20px}
  .story--row .story-dek{display:-webkit-box}
}
@media (min-width:1000px){.story--row{grid-template-columns:280px minmax(0,1fr)}}
@media (max-width:599px){
  /* 手機：次要新聞、更多報導與主題區塊改為「文字＋右側小圖」，一屏看得到更多標題。 */
  .top-secondary{gap:0}
  .card-grid{gap:0}
  .top-secondary>.story--secondary,.card-grid>.story--standard,.topic-block>.story--standard{display:grid;grid-template-columns:minmax(0,1fr) 112px;gap:14px;padding:16px 0;border-bottom:1px solid var(--line)}
  .top-secondary>.story--secondary .story-media,.card-grid>.story--standard .story-media,.topic-block>.story--standard .story-media{grid-column:2;grid-row:1}
  .top-secondary>.story--secondary .story-body,.card-grid>.story--standard .story-body,.topic-block>.story--standard .story-body{grid-column:1;grid-row:1}
  .card-grid>.story--standard .story-dek,.topic-block>.story--standard .story-dek{display:none}
  .top-secondary>.story--secondary .story-title,.card-grid>.story--standard .story-title,.topic-block>.story--standard .story-title{font-size:16.5px}
  .story-fallback span{font-size:15px}
  .story-fallback small{display:none}
}

/* ---------- 列表頁 ---------- */
.page-head{padding:22px 0 18px;margin-bottom:20px;border-bottom:1px solid var(--line)}
.breadcrumbs{display:flex;flex-wrap:wrap;gap:4px 10px;margin:0 0 12px;color:var(--muted);font-size:13px;line-height:1.7}
.breadcrumbs a{text-decoration:underline;text-underline-offset:3px}
.page-head h1{margin-bottom:8px;font-size:clamp(26px,1.5vw + 18px,36px);line-height:1.35}
.page-head .eyebrow{margin-bottom:6px}
.page-count{margin-top:8px;color:var(--muted);font-size:13px}
.page-section{margin:8px auto 56px}
.list-page{max-width:960px;padding-bottom:40px}
.pagination{display:flex;flex-wrap:wrap;align-items:center;justify-content:center;gap:8px;margin:28px 0 8px}
.page-numbers{display:flex;flex-wrap:wrap;gap:6px;list-style:none;margin:0;padding:0}
.page-numbers a,.page-step{display:inline-flex;align-items:center;justify-content:center;min-width:44px;min-height:44px;padding:0 12px;border:1px solid var(--line);border-radius:var(--radius);background:var(--surface);color:var(--ink);font-weight:600}
.page-numbers a:hover,.page-step:hover{border-color:var(--brand);color:var(--brand)}
.page-numbers a[aria-current=page]{border-color:var(--ink);background:var(--ink);color:var(--paper)}
.page-gap{display:inline-flex;align-items:center;min-height:44px;padding:0 4px;color:var(--muted)}

/* ---------- 文章頁 ---------- */
.article-layout{display:grid;grid-template-columns:minmax(0,1fr);padding:20px 0 56px}
.article{min-width:0}
.article-head{padding-bottom:20px;margin-bottom:24px;border-bottom:1px solid var(--line)}
.article-head .breadcrumbs{margin-bottom:14px}
.article-kicker{display:flex;flex-wrap:wrap;align-items:center;gap:6px 10px;margin-bottom:12px;color:var(--muted);font-size:13px}
.article-head h1{margin-bottom:16px;font-size:clamp(25px,1.7vw + 17px,36px);line-height:1.42}
.article-head .lead{color:var(--text);font-size:17px;line-height:1.9}
.article-meta{display:grid;gap:2px;margin-top:16px;color:var(--muted);font-size:13px;line-height:1.8}
.article-meta a{text-decoration:underline;text-underline-offset:3px}
.byline a{color:var(--ink);font-weight:700;text-decoration:none}
.tz{white-space:nowrap}
.article-figure{min-width:0;margin:0 0 28px}
.article-figure img{width:auto;max-width:100%;height:auto;max-height:540px;margin-inline:auto;border-radius:var(--radius);background:var(--surface-2)}
.article-figure figcaption{margin-top:10px;color:var(--muted);font-size:13px;line-height:1.75;overflow-wrap:anywhere}
.article-intro{margin:0 0 24px;color:var(--text);font-size:17.5px;line-height:1.95;overflow-wrap:anywhere}
.key-takeaway{margin:0 0 28px;padding:18px 20px;border-left:3px solid var(--brand);border-radius:0 var(--radius) var(--radius) 0;background:var(--brand-soft)}
.key-takeaway b{display:block;margin-bottom:6px;color:var(--brand);font-size:13px;letter-spacing:1px}
.key-takeaway p{color:var(--ink);font-size:17px;line-height:1.85;font-weight:600;overflow-wrap:anywhere}
.mobile-toc{margin:0 0 24px;border:1px solid var(--line);border-radius:var(--radius);background:var(--surface)}
.mobile-toc summary{min-height:48px;padding:12px 16px;color:var(--ink);font-size:15px;font-weight:700}
.mobile-toc ol{margin:0;padding:0 16px 12px 36px}
.mobile-toc li{padding:6px 0;font-size:15px;line-height:1.6}
.mobile-toc a{color:var(--brand)}
.article-content{font-size:17.5px;line-height:1.95}
.article-content section{margin-bottom:34px;scroll-margin-top:calc(var(--masthead-h) + 16px)}
.article-content h2{margin-bottom:14px;font-size:23px;line-height:1.5}
.article-content p{margin:0 0 18px;color:var(--text);overflow-wrap:anywhere}
.article-content ul{margin:0 0 18px;padding-left:22px}
.article-content li{padding:2px 0;color:var(--text);overflow-wrap:anywhere}
.article-content table,.prose table{display:block;max-width:100%;overflow-x:auto}
.article-content .ai-opinion{padding:20px 22px;border:1px solid var(--line);border-left:3px solid var(--brand);border-radius:0 var(--radius-lg) var(--radius-lg) 0;background:var(--surface)}
.article-content .opinion-label{display:flex;flex-wrap:wrap;align-items:center;gap:10px;margin:0 0 10px;color:var(--brand);font-size:13px;font-weight:700;line-height:1.8}
.opinion-label span{color:var(--muted);font-weight:400}
.ai-opinion>:last-child{margin-bottom:0}
.ref-links{display:flex;flex-wrap:wrap;gap:4px 14px;font-size:13px}
.ref-links a{display:inline-flex;align-items:center;min-height:32px;color:var(--brand);text-decoration:underline;text-underline-offset:3px}
.article-tags{display:flex;flex-wrap:wrap;align-items:center;gap:8px;margin:4px 0 24px}
.article-tags-label{margin-right:4px;color:var(--muted);font-size:13px;font-weight:700}
.article-tags a{display:inline-flex;align-items:center;min-height:36px;padding:0 12px;border:1px solid var(--line);border-radius:999px;background:var(--surface);color:var(--ink);font-size:13px}
.article-tags a:hover{border-color:var(--brand);color:var(--brand)}
.source-list{padding:22px;border-radius:var(--radius-lg);background:var(--surface-2)}
.source-list h2{margin-bottom:12px;font-size:19px}
.source-list ol{margin:0;padding-left:20px}
.source-list li{padding:6px 0;font-size:14.5px;line-height:1.8;overflow-wrap:anywhere}
.source-list a{color:var(--brand);text-decoration:underline;text-underline-offset:3px;overflow-wrap:anywhere}
.source-list small{display:block;color:var(--muted);font-size:12px}
.article-corrections{margin-top:24px;padding-top:18px;border-top:1px solid var(--line);color:var(--muted);font-size:14px}
.article-corrections h2{margin-bottom:6px;font-size:16px}
.article-corrections p{margin-bottom:6px}
.article-corrections a{color:var(--brand);text-decoration:underline;text-underline-offset:3px;overflow-wrap:anywhere}
.share{margin-top:22px;padding:18px 0;border-top:1px solid var(--line);border-bottom:1px solid var(--line)}
.share h2{margin-bottom:12px;font-size:16px}
.share-actions{display:flex;flex-wrap:wrap;gap:8px}
.share-btn{display:inline-flex;align-items:center;justify-content:center;min-height:44px;padding:0 16px;border:1px solid var(--line-strong);border-radius:999px;background:var(--surface);color:var(--ink);font-size:14px;font-weight:600}
.share-btn:hover{border-color:var(--brand);color:var(--brand)}
.share-status{min-height:1.5em;margin-top:8px;color:var(--brand);font-size:13px}
.reading{margin-top:32px}
.reading>h2{padding-bottom:4px;margin-bottom:4px;border-bottom:2px solid var(--ink);font-size:20px}
.reading-list{list-style:none;margin:0 0 4px;padding:0}
.reading-list>li{padding:14px 0;border-bottom:1px solid var(--line)}
@media (min-width:760px){.reading-list{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));column-gap:28px}}
.article-side{display:none}
.toc{padding-left:18px;border-left:1px solid var(--line)}
.toc h2{margin-bottom:10px;font-size:14px}
.toc ol{margin:0;padding-left:18px;color:var(--muted)}
.toc li{padding:5px 0;font-size:13.5px;line-height:1.7}
.toc a:hover{color:var(--brand)}
@media (min-width:1000px){
  .article-layout{grid-template-columns:minmax(0,720px) 240px;justify-content:center;gap:56px;padding-top:28px}
  .article-layout.no-toc{grid-template-columns:minmax(0,720px)}
  .article-side{display:block;position:sticky;top:calc(var(--masthead-h) + 24px);align-self:start;margin-top:8px}
  .mobile-toc{display:none}
}

/* ---------- 一般內容頁（關於、編輯原則、隱私） ---------- */
.prose{max-width:760px;margin-bottom:56px}
.prose h2{margin:30px 0 10px;font-size:22px}
.prose p,.prose li{color:var(--text);font-size:16.5px;line-height:1.95}
.prose p{margin-bottom:12px}
.prose ul{margin:0 0 12px;padding-left:22px}
.prose a{color:var(--brand);text-decoration:underline;text-underline-offset:4px;overflow-wrap:anywhere}
.page-updated{margin-top:24px;color:var(--muted);font-size:13px!important}

/* ---------- 學堂、生態（新手版：頁面上直接用白話回答，文章公開後再連過去） ---------- */
.learn-page,.eco-page{max-width:960px}
.learn-block+.learn-block{margin-top:44px}
.learn-title{margin-bottom:16px;font-size:21px}
.start-grid{display:grid;grid-template-columns:minmax(0,1fr);gap:12px;list-style:none;margin:0;padding:0}
@media (min-width:760px){.start-grid{grid-template-columns:repeat(3,minmax(0,1fr))}}
.start-card{display:flex;flex-direction:column;justify-content:space-between;gap:10px;height:100%;padding:18px 20px;border:1px solid var(--line);border-radius:var(--radius-lg);background:var(--surface);color:var(--ink)}
.start-card:hover{border-color:var(--brand);color:var(--ink)}
.start-situation{font-size:16.5px;font-weight:700;line-height:1.6}
.start-action{color:var(--brand);font-size:14px;font-weight:600}
/* 路線：左側圓圈編號用一條直線串起來；從「你現在是哪種情況？」跳過來的那一步加框。 */
.learn-path{position:relative;display:grid;gap:20px;list-style:none;margin:0;padding:0}
.learn-path::before{content:"";position:absolute;left:19px;top:20px;bottom:20px;width:2px;background:var(--line)}
.learn-step{position:relative;display:grid;grid-template-columns:40px minmax(0,1fr);gap:16px}
.learn-step-no{display:grid;place-items:center;width:40px;height:40px;border-radius:50%;background:var(--brand-soft);color:var(--brand);font:italic 700 17px/1 Georgia,serif;box-shadow:0 0 0 5px var(--paper)}
.learn-step-body{min-width:0;padding:16px 20px;border:1px solid var(--line);border-radius:var(--radius-lg);background:var(--surface)}
.learn-step:target .learn-step-body{border-color:var(--brand);box-shadow:0 0 0 1px var(--brand)}
.learn-step h3{margin-bottom:6px;font-size:18px;line-height:1.5}
.learn-step p{color:var(--text);font-size:15.5px;line-height:1.85}
.learn-step .learn-step-note{margin-top:8px;color:var(--muted);font-size:12.5px}
.learn-step-more{display:inline-flex;align-items:center;gap:4px;min-height:44px;margin-top:2px;color:var(--brand);font-size:14px;font-weight:600}
/* 轉帳流程：手機直排、寬螢幕橫排；方塊之間的箭頭用框線畫，不給螢幕閱讀器讀出。 */
.transfer-flow{display:grid;grid-template-columns:minmax(0,1fr);gap:30px;list-style:none;margin:0;padding:0}
.transfer-flow li{position:relative;display:flex;flex-direction:column;gap:4px;min-width:0;padding:18px 20px;border:1px solid var(--line);border-radius:var(--radius-lg);background:var(--surface);text-align:center}
.transfer-flow li+li::before{content:"";position:absolute;left:50%;top:-22px;width:11px;height:11px;border-right:2px solid var(--brand);border-bottom:2px solid var(--brand);transform:translateX(-50%) rotate(45deg)}
.transfer-flow b{color:var(--ink);font-size:16.5px}
.transfer-flow span{color:var(--muted);font-size:14.5px;line-height:1.75}
@media (min-width:760px){
  .transfer-flow{grid-template-columns:repeat(3,minmax(0,1fr));gap:36px}
  .transfer-flow li+li::before{left:-25px;top:50%;transform:translateY(-50%) rotate(-45deg)}
}
.transfer-note{margin-top:16px;padding:14px 18px;border-left:3px solid var(--brand);border-radius:0 var(--radius) var(--radius) 0;background:var(--brand-soft);color:var(--ink);font-size:15px;line-height:1.85}
.glossary{display:grid;grid-template-columns:minmax(0,1fr);gap:12px;margin:0}
@media (min-width:600px){.glossary{grid-template-columns:repeat(2,minmax(0,1fr))}}
@media (min-width:900px){.glossary{grid-template-columns:repeat(3,minmax(0,1fr))}}
.glossary>div{min-width:0;padding:14px 18px;border:1px solid var(--line);border-radius:var(--radius-lg);background:var(--surface)}
.glossary>div:target{border-color:var(--brand);box-shadow:0 0 0 1px var(--brand)}
.glossary dt{margin-bottom:2px;color:var(--ink);font-size:16px;font-weight:700}
.glossary dd{margin:0;color:var(--muted);font-size:14.5px;line-height:1.8}
/* TRON 地圖：四層由上（讀者直接碰到的）往下（網路本身），最底層用品牌底色當地基。 */
.eco-map{display:grid;gap:14px;list-style:none;margin:0;padding:0}
.eco-layer{min-width:0;padding:20px 22px;border:1px solid var(--line);border-radius:var(--radius-lg);background:var(--surface)}
.eco-layer:last-child{border-color:transparent;background:var(--brand-soft)}
.eco-layer-head{display:grid;grid-template-columns:40px minmax(0,1fr);gap:0 14px;align-items:center;margin-bottom:14px}
.eco-layer-no{grid-row:span 2;display:grid;place-items:center;width:40px;height:40px;border-radius:50%;background:var(--brand-soft);color:var(--brand);font:italic 700 17px/1 Georgia,serif}
.eco-layer:last-child .eco-layer-no{background:var(--surface)}
.eco-layer h2{font-size:20px;line-height:1.4}
.eco-layer-head p{color:var(--muted);font-size:14px;line-height:1.7}
.eco-items{display:grid;grid-template-columns:minmax(0,1fr);gap:10px;margin:0}
/* 寬螢幕：同一層的項目排成一列、等寬（2 項或 3 項都不會出現 2＋1 的斷行）。 */
@media (min-width:760px){.eco-items{grid-template-columns:none;grid-auto-flow:column;grid-auto-columns:minmax(0,1fr)}}
.eco-items>div{min-width:0;padding:12px 14px;border-radius:var(--radius);background:var(--surface-2)}
.eco-layer:last-child .eco-items>div{background:var(--surface)}
.eco-items dt{margin-bottom:2px;color:var(--ink);font-size:15.5px;font-weight:700}
.eco-items dd{margin:0;color:var(--muted);font-size:14px;line-height:1.75}
.eco-links{display:flex;flex-wrap:wrap;gap:0 22px;margin-top:8px}
.eco-links a{display:inline-flex;align-items:center;gap:4px;min-height:44px;color:var(--brand);font-size:14px;font-weight:600}
.eco-links a:hover{text-decoration:underline;text-underline-offset:4px}
.eco-news{margin-top:44px}
@media (min-width:760px){
  .eco-news-list{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));column-gap:32px}
  .eco-news-list>li:nth-last-child(2):nth-child(odd){border-bottom:0}
}

/* ---------- 服務、能量租借 ---------- */
.services-grid{display:grid;grid-template-columns:minmax(0,1fr);gap:20px}
@media (min-width:760px){.services-grid{grid-template-columns:repeat(2,minmax(0,1fr))}}
.service-card{min-width:0;padding:28px;border:1px solid var(--line);border-radius:var(--radius-lg);background:var(--surface)}
.service-card.primary{background:var(--brand-soft)}
.service-card h2{margin:8px 0;font-size:26px;line-height:1.5}
.service-card p{margin-bottom:22px;color:var(--muted);font-size:15px}
.contact-email{display:flex;align-items:center;min-height:44px;color:var(--brand);font-size:14px;overflow-wrap:anywhere}
.service-guide{display:flex;align-items:center;justify-content:space-between;gap:20px;min-height:60px;padding:18px 0;margin-top:22px;border-top:1px solid var(--line);color:var(--brand);font-size:15px}
.service-card .service-price{display:inline-block;margin-bottom:12px;padding:4px 14px;border-radius:999px;background:var(--surface);color:var(--ink);font-size:15px;font-weight:700;font-variant-numeric:tabular-nums}
/* 能量租借：頁首左邊標題、右邊價格卡；下面依序是地址、步驟、注意事項與客服。 */
.rental-page{max-width:1000px}
.rental-hero{padding-bottom:32px;margin-bottom:8px}
.rental-hero h1{font-size:clamp(30px,1.6vw + 22px,42px)}
.rental-hero .lead{font-size:17px}
.rental-hero-grid{display:grid;grid-template-columns:minmax(0,1fr);gap:26px;align-items:center}
@media (min-width:900px){.rental-hero-grid{grid-template-columns:minmax(0,1fr) minmax(0,420px);gap:48px}}
.rental-points{display:flex;flex-wrap:wrap;gap:8px;list-style:none;margin:18px 0 0;padding:0}
.rental-points li{display:inline-flex;align-items:center;gap:6px;min-height:34px;padding:0 14px 0 10px;border:1px solid var(--line);border-radius:999px;background:var(--surface);color:var(--ink);font-size:13.5px;font-weight:600;line-height:1.4}
.rental-points svg{color:var(--brand)}
.rental-price{position:relative;overflow:hidden;isolation:isolate;min-width:0;padding:26px 28px 24px;border:1px solid var(--price-line);border-radius:16px;background:var(--price-bg);color:var(--price-ink);box-shadow:var(--price-shadow)}
.rental-price h2{color:var(--price-muted);font-size:13px;font-weight:700;letter-spacing:1.5px}
/* 手機 360px 起「2.2 TRX = 65,000 能量」排成一行；更窄時「=」跟著能量換到第二行。 */
.rental-price-value{display:flex;flex-wrap:wrap;align-items:baseline;gap:0 12px;margin:8px 0 12px;color:var(--price-accent);font-size:16px;font-weight:700;line-height:1.25;font-variant-numeric:tabular-nums}
.rental-price-value b{color:var(--price-ink);font-size:clamp(32px,1.8vw + 26px,52px);font-weight:800;letter-spacing:-1px}
.rental-price-eq{margin-right:4px;color:var(--price-muted);font-size:28px;font-weight:400}
.rental-price-term{display:inline-flex;align-items:center;gap:6px;margin-bottom:18px;padding:3px 12px 3px 10px;border-radius:999px;background:var(--price-line);color:var(--price-ink);font-size:13.5px;font-weight:600}
.rental-price-term svg{color:var(--price-accent)}
.rental-price-note{padding-top:14px;border-top:1px solid var(--price-line);color:var(--price-muted);font-size:14px;line-height:1.75}
.rental-price-bolt{position:absolute;right:-30px;bottom:-40px;z-index:-1;width:180px;height:180px;fill:currentColor;opacity:.08}
.rental-section{margin-top:44px}
.rental-section:first-child{margin-top:20px}
.rental-section-head{display:flex;flex-wrap:wrap;align-items:baseline;justify-content:space-between;gap:2px 16px;margin-bottom:16px}
.rental-section-head h2{font-size:22px}
.rental-section-head p{color:var(--muted);font-size:14px}
.rental-addresses{display:grid;grid-template-columns:repeat(auto-fit,minmax(min(100%,340px),1fr));gap:16px}
.address-card{position:relative;display:flex;flex-direction:column;min-width:0;padding:22px;border:1px solid var(--line);border-radius:var(--radius-lg);background:var(--surface);box-shadow:var(--card-shadow)}
.address-card-head{display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:6px 10px}
.address-card h3{font-size:17px}
.address-card code{display:block;max-width:100%;margin:14px 0 16px;padding:14px 16px;border:1px dashed var(--line-strong);border-radius:var(--radius);background:var(--surface-2);color:var(--ink);font:600 15px/1.75 var(--font-mono);overflow-wrap:anywhere;word-break:break-all;text-wrap:balance;user-select:all}
.address-actions{display:flex;flex-wrap:wrap;align-items:center;gap:8px 12px;margin-top:auto}
.rental-copy{min-width:128px}
.rental-copy .icon-check{display:none}
.rental-copy.is-copied,.rental-copy.is-copied:hover{background:var(--brand);color:var(--on-brand)}
.rental-copy.is-copied .icon-copy{display:none}
.rental-copy.is-copied .icon-check{display:block}
/* 複製成功只給螢幕閱讀器（按鈕本身會變成「已複製」）；失敗才顯示文字。不用 display:none，live region 才會被讀出。 */
.copy-status{position:absolute;width:1px;height:1px;margin:-1px;overflow:hidden;clip:rect(0,0,0,0);white-space:nowrap}
.copy-status.is-error{position:static;width:auto;height:auto;margin:0;overflow:visible;clip:auto;white-space:normal;color:var(--muted);font-size:13px}
.rental-steps{display:grid;grid-template-columns:minmax(0,1fr);gap:12px;list-style:none;margin:0;padding:0}
.rental-steps li{display:grid;grid-template-columns:42px minmax(0,1fr);gap:2px 14px;align-content:start;min-width:0;padding:18px 20px;border:1px solid var(--line);border-radius:var(--radius-lg);background:var(--surface)}
.rental-step-no{grid-row:span 2;display:grid;place-items:center;width:42px;height:42px;border-radius:50%;background:var(--brand-soft);color:var(--brand);font:italic 700 17px/1 Georgia,serif}
.rental-steps h3{align-self:center;font-size:17px;line-height:1.5}
.rental-steps p{color:var(--muted);font-size:14.5px;line-height:1.75}
@media (min-width:760px){
  .rental-steps{grid-template-columns:repeat(3,minmax(0,1fr));gap:16px}
  .rental-steps li{grid-template-columns:minmax(0,1fr);padding:22px}
  .rental-step-no{grid-row:auto;margin-bottom:12px}
}
.rental-info{display:grid;grid-template-columns:minmax(0,1fr);gap:16px;margin-top:44px}
@media (min-width:760px){.rental-info{grid-template-columns:repeat(2,minmax(0,1fr))}}
.rental-notes,.rental-help{min-width:0;padding:24px;border:1px solid var(--line);border-radius:var(--radius-lg)}
.rental-notes{background:var(--surface)}
.rental-help{border-color:transparent;background:var(--brand-soft)}
.rental-notes h2,.rental-help h2{font-size:20px}
.rental-notes ul{display:grid;gap:10px;list-style:none;margin:14px 0 0;padding:0}
.rental-notes li{position:relative;padding-left:20px;color:var(--text);font-size:15px;line-height:1.75}
.rental-notes li::before{content:"";position:absolute;left:2px;top:.64em;width:7px;height:7px;border-radius:50%;background:var(--brand)}
.rental-help p{margin-top:8px;color:var(--text);font-size:15px}
.rental-contact{display:flex;flex-wrap:wrap;gap:8px;margin-top:16px}
.rental-contact a{display:inline-flex;align-items:center;gap:8px;min-width:0;min-height:44px;padding:0 16px;border:1px solid var(--line-strong);border-radius:999px;background:var(--surface);color:var(--ink);font-size:14px;font-weight:600;overflow-wrap:anywhere}
.rental-contact a:hover{border-color:var(--brand);color:var(--brand)}
.rental-contact svg{color:var(--brand)}
.rental-help .small-note{margin-top:14px;color:var(--muted);font-size:12.5px}
.rental-page .service-guide{margin-top:36px}
.gone-note{color:var(--muted)}

/* ---------- 頁尾 ---------- */
.site-footer{margin-top:40px;padding:36px 0 24px;border-top:1px solid var(--line);background:var(--surface-2)}
.footer-top{display:grid;gap:28px}
@media (min-width:760px){.footer-top{grid-template-columns:minmax(0,1fr) minmax(0,2fr)}}
.footer-brand p{max-width:360px;margin-top:12px;color:var(--muted);font-size:14px}
.footer-links{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:20px}
@media (min-width:760px){.footer-links{grid-template-columns:repeat(3,minmax(0,1fr))}}
.footer-links h2{margin-bottom:4px;color:var(--muted);font-size:13px;letter-spacing:1px}
.footer-links a{display:flex;align-items:center;min-height:40px;color:var(--ink);font-size:14px}
.footer-links a:hover{color:var(--brand)}
.footer-bottom{display:flex;flex-wrap:wrap;justify-content:space-between;gap:6px 24px;margin-top:28px;padding-top:16px;border-top:1px solid var(--line);color:var(--muted);font-size:12.5px}
.footer-bottom a{text-decoration:underline;text-underline-offset:3px}

/* ---------- 寬度 ---------- */
@media (min-width:600px){:root{--gutter:24px}}
@media (min-width:1000px){:root{--gutter:32px;--masthead-h:64px}}
@media (max-width:599px){
  .front-head{padding:14px 0 12px;margin-bottom:18px}
  .front-head h1{font-size:17px}
  .front-tagline{display:none}
  .top-stories{gap:22px;padding-bottom:24px}
  .home-section{padding-top:28px}
  .section-head h2{font-size:19px}
  .article-content{font-size:17px;line-height:1.9}
  .article-content h2{font-size:21px}
  .source-list{padding:18px 16px}
  .page-head h1{font-size:26px}
}
@media (max-width:360px){
  .brand{font-size:19px;gap:7px}
  .brandmark{width:28px;height:28px;font-size:18px}
  .theme-switch{--seg:30px}
  .header-actions{gap:6px}
}
@media (max-width:340px){.theme-switch{--seg:28px}}
@media (prefers-reduced-motion:reduce){*,*::before,*::after{transition:none!important;animation:none!important}}
@media print{
  .masthead,.article-side,.mobile-toc,.share,.reading,.site-footer,.env-banner,.js-only,.topic-links,.search-box,.pagination{display:none!important}
  :root{--paper:#fff;--surface:#fff;--surface-2:#f3f3f3;--ink:#000;--text:#000;--muted:#444;--line:#ccc;--brand:#000;--brand-soft:#eee}
  .container{width:100%;max-width:none}
  .article-layout{display:block}
  .article-content{font-size:12pt}
  a{text-decoration:underline}
}