/* =========================================================================
   貨架旅行 ShelfHop — 內頁樣式（深色液態玻璃，與首頁 glass.css 一致）
   沿用既有 class 名，內頁 HTML 幾乎不動即可換膚。
   ========================================================================= */

:root{
  --f-display:"Poppins",-apple-system,BlinkMacSystemFont,"Segoe UI","PingFang TC","Microsoft JhengHei","Noto Sans TC",sans-serif;
  --f-body:var(--f-display);
  --f-serif:"Source Serif 4","Songti TC","Noto Serif TC",Georgia,serif;
  --f-mono:"Space Mono",ui-monospace,Consolas,monospace;

  /* 深色玻璃調色（沿用舊變數名，給暗色值，讓殘留 inline 樣式也安全） */
  --paper:#0a0a0c;
  --paper-2:rgba(255,255,255,.05);
  --paper-3:rgba(255,255,255,.08);
  --card:rgba(255,255,255,.045);
  --card-2:rgba(255,255,255,.07);
  --ink:#ffffff;
  --ink-2:rgba(255,255,255,.74);
  --ink-3:rgba(255,255,255,.52);
  --line:rgba(255,255,255,.14);
  --line-2:rgba(255,255,255,.24);
  --accent:#ffffff;            /* 灰階一致；各頁 inline 的 --accent 不再使用 */
  --accent-soft:rgba(255,255,255,.12);

  --radius:16px;
  --radius-lg:22px;
  --shadow-sm:0 1px 2px rgba(0,0,0,.3),0 8px 20px -12px rgba(0,0,0,.5);
  --shadow:0 14px 36px -16px rgba(0,0,0,.6);
  --shadow-lg:0 30px 70px -24px rgba(0,0,0,.7);
  --wrap:1140px;
  --gutter:clamp(18px,4.2vw,44px);

  /* 玻璃描邊高光 */
  --glass-in:inset 0 1px 0 rgba(255,255,255,.12);
}

*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;scroll-padding-top:90px;background:#0a0a0c}
@media (prefers-reduced-motion:reduce){html{scroll-behavior:auto}*{animation:none!important;transition-duration:.001ms!important}}

/* 與首頁一致的暖色失焦背景（用 body 偽元素，內頁不必加 .bg） */
body{
  margin:0;font-family:var(--f-body);color:#fff;background:transparent;
  font-size:17px;line-height:1.78;-webkit-font-smoothing:antialiased;text-rendering:optimizeLegibility;
  overflow-x:hidden;position:relative;
}
body::before{content:"";position:fixed;inset:0;z-index:-2;
  background:
    radial-gradient(58vw 58vw at 10% 2%,rgba(226,74,43,.24),transparent 60%),
    radial-gradient(54vw 54vw at 94% 12%,rgba(239,124,27,.18),transparent 60%),
    radial-gradient(60vw 60vw at 82% 96%,rgba(196,44,97,.18),transparent 62%),
    radial-gradient(56vw 56vw at 14% 92%,rgba(91,162,74,.15),transparent 62%),
    radial-gradient(40vw 40vw at 50% 50%,rgba(244,180,0,.08),transparent 64%),
    #0a0a0c;
  animation:bgshift 44s ease-in-out infinite alternate}
@keyframes bgshift{0%{filter:saturate(1)}100%{filter:saturate(1.18) hue-rotate(-6deg)}}
body::after{content:"";position:fixed;inset:0;z-index:-1;pointer-events:none;
  background:
    radial-gradient(135% 125% at 50% 26%,transparent,rgba(6,6,10,.5) 66%,rgba(4,4,7,.86) 100%),
    linear-gradient(180deg,rgba(6,6,10,.5),transparent 16%,transparent 78%,rgba(6,6,10,.6))}

img{max-width:100%;display:block;height:auto}
a{color:inherit;text-decoration:none}
h1,h2,h3,h4{font-family:var(--f-display);font-weight:500;line-height:1.14;letter-spacing:0;color:#fff;margin:0;text-wrap:balance}
p{margin:0 0 1.05em;text-wrap:pretty}
strong{font-weight:600;color:#fff}
em,i,.italic{font-family:var(--f-serif);font-style:italic;color:rgba(255,255,255,.82);font-weight:400}
::selection{background:rgba(255,255,255,.85);color:#111}
:focus-visible{outline:2px solid #fff;outline-offset:3px;border-radius:4px}

.wrap{width:100%;max-width:var(--wrap);margin-inline:auto;padding-inline:var(--gutter)}
.wrap-narrow{max-width:760px}
.skip-link{position:absolute;left:-9999px;top:0;background:#fff;color:#111;padding:10px 16px;z-index:300;border-radius:0 0 10px 0}
.skip-link:focus{left:0}

/* 共用玻璃面 */
.glass,.tldr,.product,.note,.toc,.sponsor,.related a,.table-wrap,.profile,.contact-card,.faq{
  background:var(--card);-webkit-backdrop-filter:blur(14px);backdrop-filter:blur(14px);
  border:1px solid var(--line);box-shadow:var(--glass-in),var(--shadow-sm)}

/* ---------- 招牌價簽（玻璃版） ---------- */
.ticket{display:inline-flex;align-items:center;gap:.45em;font-family:var(--f-mono);font-size:.72rem;font-weight:700;
  letter-spacing:.06em;text-transform:uppercase;color:#fff;background:rgba(255,255,255,.1);
  padding:.36em .72em;border-radius:6px;box-shadow:var(--glass-in);position:relative;white-space:nowrap;
  -webkit-backdrop-filter:blur(8px);backdrop-filter:blur(8px)}
.ticket::before{content:"";width:6px;height:6px;border-radius:50%;background:rgba(255,255,255,.6);flex:none}
.ticket--ink,.ticket--accent{background:rgba(255,255,255,.16);color:#fff}
.ticket--ghost{background:transparent;color:rgba(255,255,255,.7);box-shadow:inset 0 0 0 1.5px var(--line-2)}

.barcode{height:30px;margin:0;border:0;background:
  repeating-linear-gradient(90deg,#fff 0 2px,transparent 2px 4px,#fff 4px 5px,transparent 5px 9px,#fff 9px 12px,transparent 12px 14px);
  opacity:.18;mask-image:linear-gradient(90deg,transparent,#000 12%,#000 88%,transparent);
  -webkit-mask-image:linear-gradient(90deg,transparent,#000 12%,#000 88%,transparent)}

/* =========================================================================
   頁首（玻璃 sticky）
   ========================================================================= */
.site-head{position:sticky;top:0;z-index:100;background:rgba(12,11,15,.55);
  -webkit-backdrop-filter:blur(16px) saturate(160%);backdrop-filter:blur(16px) saturate(160%);
  border-bottom:1px solid var(--line)}
.head-bar{display:flex;align-items:center;gap:18px;height:68px}
.brand{display:flex;align-items:center;gap:11px;font-family:var(--f-display);font-weight:600;font-size:1.28rem;color:#fff;flex:none;letter-spacing:0}
.brand .mark{width:32px;height:32px;flex:none}
.brand .zh{line-height:1}
.brand .en{font-family:var(--f-mono);font-weight:700;font-size:.56rem;letter-spacing:.22em;text-transform:uppercase;color:var(--ink-3);display:block;margin-top:3px}

.nav{margin-left:auto;display:flex;align-items:center;gap:2px}
.nav a{font-family:var(--f-display);font-weight:500;font-size:.95rem;color:var(--ink-2);padding:9px 13px;border-radius:9px;min-height:44px;display:inline-flex;align-items:center;transition:.16s;position:relative}
.nav a:hover{color:#fff;background:rgba(255,255,255,.08)}
.nav a[aria-current="page"]{color:#fff}
.nav a[aria-current="page"]::after{content:"";position:absolute;left:13px;right:13px;bottom:7px;height:2px;background:#fff;border-radius:2px}
.lang{display:inline-flex;align-items:center;border:1px solid var(--line-2);border-radius:9px;overflow:hidden;margin-left:6px}
.lang a,.lang span{font-family:var(--f-mono);font-size:.7rem;font-weight:700;letter-spacing:.05em;padding:7px 9px;min-height:38px;display:inline-flex;align-items:center;color:var(--ink-3)}
.lang [aria-current="true"]{background:#fff;color:#111}
.lang [aria-disabled="true"]{opacity:.5}

.nav-toggle{display:none;margin-left:auto;width:46px;height:46px;border:1px solid var(--line-2);background:rgba(255,255,255,.06);border-radius:11px;cursor:pointer;align-items:center;justify-content:center;transition:.14s;-webkit-backdrop-filter:blur(10px);backdrop-filter:blur(10px)}
.nav-toggle:active{transform:scale(.93)}
.nav-toggle span,.nav-toggle span::before,.nav-toggle span::after{content:"";display:block;width:20px;height:2.4px;background:#fff;border-radius:2px;position:relative}
.nav-toggle span::before{position:absolute;top:-6px}
.nav-toggle span::after{position:absolute;top:6px}
@media (max-width:820px){
  .nav-toggle{display:inline-flex}
  .nav{position:fixed;inset:68px 0 auto 0;flex-direction:column;align-items:stretch;gap:2px;margin:0;
    background:rgba(12,11,15,.92);-webkit-backdrop-filter:blur(18px);backdrop-filter:blur(18px);
    border-bottom:1px solid var(--line);padding:12px var(--gutter) 20px;
    transform:translateY(-130%);visibility:hidden;pointer-events:none;
    transition:transform .26s ease,visibility 0s linear .26s;box-shadow:var(--shadow)}
  .nav.open{transform:translateY(0);visibility:visible;pointer-events:auto;transition:transform .26s ease}
  .nav a{font-size:1.05rem;padding:13px 8px}
  .lang{margin:10px 0 0;align-self:flex-start}
}

/* =========================================================================
   文章
   ========================================================================= */
.article-head{padding:clamp(30px,5vw,56px) 0 8px;border-bottom:1px solid var(--line)}
.breadcrumb{font-family:var(--f-mono);font-size:.74rem;color:var(--ink-3);margin-bottom:18px;letter-spacing:.02em}
.breadcrumb a:hover{color:#fff}
.breadcrumb .sep{margin:0 .5em;opacity:.5}
.article-head h1{font-size:2.65rem;line-height:1.1;margin:14px 0 16px;max-width:20ch;text-shadow:0 2px 30px rgba(0,0,0,.4)}
.article-head .standfirst{font-size:1.18rem;color:var(--ink-2);max-width:60ch;margin-bottom:22px}
.byline{display:flex;flex-wrap:wrap;align-items:center;gap:10px 18px;padding-bottom:22px;font-size:.86rem;color:var(--ink-3)}
.byline .who{display:flex;align-items:center;gap:9px;color:var(--ink-2);font-weight:600}
.byline .who .av{width:34px;height:34px;border-radius:50%;background:rgba(255,255,255,.14);color:#fff;display:grid;place-items:center;font-family:var(--f-display);font-weight:600;font-size:.9rem;flex:none;box-shadow:var(--glass-in)}
.byline .dot{width:4px;height:4px;border-radius:50%;background:var(--line-2)}
.byline time{font-family:var(--f-mono)}

.article-body{display:grid;grid-template-columns:minmax(0,1fr) 300px;gap:clamp(28px,5vw,56px);padding:38px 0 24px;align-items:start}
.prose{min-width:0}
@media (max-width:940px){.article-body{grid-template-columns:1fr}.rail{order:2}}
@media (max-width:560px){
  .article-head h1{font-size:2rem;max-width:100%;overflow-wrap:anywhere}
  .article-head .standfirst{font-size:1.04rem}
  .page h1{font-size:2rem;overflow-wrap:anywhere}
  .prose>h2{font-size:1.55rem}
  .section-head h2{font-size:1.55rem}
}

.prose>h2{font-size:1.85rem;margin:2em 0 .7em;padding-top:.3em;scroll-margin-top:88px;text-shadow:0 2px 24px rgba(0,0,0,.4)}
.prose>h2 .num{display:inline-grid;place-items:center;width:1.7em;height:1.7em;font-family:var(--f-mono);
  font-size:.6em;color:#fff;font-weight:700;margin-right:.5em;vertical-align:.18em;
  background:rgba(255,255,255,.08);border:1px solid rgba(255,255,255,.16);border-radius:9px;
  box-shadow:inset 0 1px 0 rgba(255,255,255,.14);-webkit-backdrop-filter:blur(8px);backdrop-filter:blur(8px)}
.prose>h2 .num svg{width:1.05em;height:1.05em;stroke:#fff;fill:none;stroke-width:2;stroke-linecap:round;stroke-linejoin:round;opacity:.95}
.prose>h3{font-size:1.24rem;margin:1.7em 0 .5em;scroll-margin-top:88px}
.prose>h2+h3{margin-top:1em}
.prose p,.prose li{font-size:1.06rem;color:rgba(255,255,255,.82)}
.prose ul,.prose ol{margin:0 0 1.2em;padding-left:1.3em}
.prose li{margin-bottom:.5em}
.prose li::marker{color:rgba(255,255,255,.5)}
.prose a:not(.btn){color:#fff;text-decoration:underline;text-decoration-thickness:1.5px;text-underline-offset:3px;text-decoration-color:var(--line-2)}
.prose a:not(.btn):hover{text-decoration-color:#fff}
.lead{font-size:1.2rem !important;color:#fff !important;line-height:1.7}
.prose blockquote{margin:1.4em 0;padding:4px 0 4px 22px;border-left:3px solid rgba(255,255,255,.4);font-size:1.12rem;color:var(--ink-2)}

/* 重點摘要 */
.tldr{border-radius:var(--radius);padding:20px 24px;margin:0 0 28px;border-left:4px solid rgba(255,255,255,.6)}
.tldr .nh{font-family:var(--f-mono);font-size:.74rem;font-weight:700;letter-spacing:.12em;text-transform:uppercase;color:#fff;margin-bottom:11px;display:flex;align-items:center;gap:.6em}
.tldr .nh::before{content:"";width:9px;height:9px;background:#fff;border-radius:2px;flex:none}
.tldr ul{margin:0;padding-left:1.2em}
.tldr li{font-size:1rem;margin-bottom:.45em;color:#fff}
.tldr li:last-child{margin-bottom:0}

/* 商品卡 */
.product{display:flex;flex-direction:column;border-radius:var(--radius);padding:18px 18px 16px;margin:14px 0;position:relative;transition:transform .18s ease,background-color .18s ease}
.product:hover{transform:translateY(-3px);background:var(--card-2)}
.product-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(280px,1fr));gap:14px;margin:18px 0}
.product-grid .product{margin:0}
.product .ph{display:flex;align-items:flex-start;justify-content:space-between;gap:12px;margin-bottom:8px}
.product h4{font-size:1.12rem;font-weight:600;line-height:1.2;color:#fff}
.product .zhname{font-size:.84rem;color:var(--ink-3);font-weight:500;margin-top:3px;display:block}
.product p{font-size:.96rem;color:var(--ink-2);margin:.5em 0 .8em}
.product .specs{display:flex;flex-wrap:wrap;gap:7px;margin-top:auto}
.product .specs .ticket{font-size:.66rem}
.flags{display:flex;flex-wrap:wrap;gap:6px;margin-top:10px;padding-top:10px;border-top:1px dashed var(--line-2)}
.flag-chip{font-size:.74rem;font-weight:600;padding:4px 9px;border-radius:7px;display:inline-flex;align-items:center;gap:.35em}
.flag-chip.ok{background:rgba(120,200,120,.16);color:#a9e6a0}
.flag-chip.warn{background:rgba(245,180,90,.16);color:#f3c98a}
.flag-chip.no{background:rgba(245,120,100,.16);color:#f3a99a}

/* 提示卡 */
.note{position:relative;margin:1.5em 0;padding:18px 20px 18px 22px;border-radius:14px}
.note::before{content:"";position:absolute;left:0;top:0;bottom:0;width:5px;border-radius:14px 0 0 14px;background:rgba(255,255,255,.5)}
.note .nh{font-family:var(--f-display);font-weight:600;font-size:1rem;margin-bottom:6px;display:flex;align-items:center;gap:.5em;color:#fff}
.note p:last-child{margin-bottom:0}
.note p,.note li{font-size:.98rem;color:var(--ink-2)}
.note--warn::before{background:#f3a99a}
.note--warn .nh{color:#f3b3a6}
.note--tip::before{background:#a9e6a0}
.note--tip .nh{color:#b6ecae}
.note--info::before{background:#9cc7f0}
.note--info .nh{color:#aed3f5}

/* 表格 */
.table-wrap{overflow-x:auto;margin:1.5em 0;border-radius:14px}
table{width:100%;border-collapse:collapse;font-size:.95rem;min-width:480px}
caption{text-align:left;font-size:.82rem;color:var(--ink-3);padding:11px 15px;font-family:var(--f-mono);background:rgba(255,255,255,.04)}
th,td{padding:12px 15px;text-align:left;border-bottom:1px solid var(--line);vertical-align:top;color:rgba(255,255,255,.82)}
thead th{background:rgba(255,255,255,.08);color:#fff;font-family:var(--f-display);font-weight:600;font-size:.88rem}
tbody tr:last-child td{border-bottom:0}
tbody tr{transition:background .14s ease}
tbody tr:hover{background:rgba(255,255,255,.05)}
td.price{font-family:var(--f-mono);font-weight:700;color:#fff;white-space:nowrap;background:rgba(255,255,255,.1)}
td .price{font-family:var(--f-mono);font-weight:700;color:#fff;white-space:nowrap;background:rgba(255,255,255,.14);padding:2px 8px;border-radius:4px;font-size:.84rem;display:inline-block}

/* FAQ */
.faq{margin:1.4em 0;border-radius:14px;padding:2px 18px}
.faq details{border-bottom:1px solid var(--line)}
.faq details:last-child{border-bottom:0}
.faq summary{cursor:pointer;list-style:none;padding:16px 36px 16px 2px;font-family:var(--f-display);font-weight:600;font-size:1.06rem;position:relative;color:#fff}
.faq summary::-webkit-details-marker{display:none}
.faq summary::after{content:"+";position:absolute;right:6px;top:50%;transform:translateY(-50%);font-family:var(--f-mono);font-size:1.3rem;color:rgba(255,255,255,.7);transition:.2s}
.faq details[open] summary::after{transform:translateY(-50%) rotate(45deg)}
.faq .ans{padding:0 2px 18px;color:var(--ink-2)}
.faq .ans p:last-child{margin-bottom:0}

/* =========================================================================
   側欄 / 目錄
   ========================================================================= */
.rail{position:sticky;top:88px;display:flex;flex-direction:column;gap:22px}
.toc{border-radius:var(--radius);padding:18px}
.toc .th{font-family:var(--f-mono);font-size:.72rem;font-weight:700;letter-spacing:.14em;text-transform:uppercase;color:var(--ink-3);margin-bottom:12px}
.toc ol{list-style:none;margin:0;padding:0;counter-reset:toc}
.toc li{counter-increment:toc;margin:0}
.toc a{display:flex;gap:9px;padding:7px 8px;border-radius:8px;font-size:.9rem;color:var(--ink-2);line-height:1.4;transition:.14s}
.toc a::before{content:counter(toc,decimal-leading-zero);font-family:var(--f-mono);font-size:.74rem;color:var(--ink-3);flex:none}
.toc a:hover{background:rgba(255,255,255,.07);color:#fff}
.toc a.active{color:#fff;background:rgba(255,255,255,.1);box-shadow:inset 3px 0 0 #fff;font-weight:600}
.toc a.active::before{color:#fff}
@media (max-width:940px){.rail{position:static}.toc{order:-1}}

/* 贊助（玻璃，明確標示） */
.sponsor{border-radius:var(--radius);padding:18px 20px;position:relative;border-style:dashed}
.sponsor .label{position:absolute;top:-10px;left:16px;font-family:var(--f-mono);font-size:.62rem;font-weight:700;letter-spacing:.14em;text-transform:uppercase;color:var(--ink-3);background:rgba(16,15,20,.85);padding:2px 9px;border:1px solid var(--line-2);border-radius:20px}
.sponsor .s-body{display:flex;align-items:center;gap:14px}
.sponsor .s-logo{width:46px;height:46px;border-radius:11px;background:rgba(255,255,255,.12);color:#fff;flex:none;display:grid;place-items:center;font-family:var(--f-display);font-weight:600;font-size:1.05rem;box-shadow:var(--glass-in)}
.sponsor .s-txt strong{display:block;font-family:var(--f-display);font-weight:500;font-size:1rem;margin-bottom:2px}
.sponsor .s-txt span{font-size:.85rem;color:var(--ink-3)}
.sponsor .s-go{margin-left:auto;font-family:var(--f-mono);font-size:.78rem;font-weight:700;color:#fff;border:1px solid var(--line-2);border-radius:9px;padding:9px 13px;min-height:44px;display:inline-flex;align-items:center;gap:.4em;white-space:nowrap;transition:.16s}
.sponsor .s-go:hover{background:rgba(255,255,255,.12)}
@media (max-width:480px){.sponsor .s-body{flex-wrap:wrap}.sponsor .s-go{margin-left:0;width:100%;justify-content:center}}

/* 相關指南 */
.related{display:grid;grid-template-columns:repeat(auto-fill,minmax(240px,1fr));gap:14px;margin-top:18px}
.related a{position:relative;display:block;border-radius:14px;padding:18px 17px;overflow:hidden;transition:transform .18s ease,background-color .18s ease}
.related a:hover{transform:translateY(-4px);background:var(--card-2)}
.related .r-k{font-family:var(--f-mono);font-size:.7rem;color:var(--ink-3);letter-spacing:.06em;text-transform:uppercase}
.related h4{font-size:1.06rem;font-weight:600;margin:7px 0 4px;color:#fff}
.related p{font-size:.86rem;color:var(--ink-3);margin:0}

/* =========================================================================
   一般內容頁
   ========================================================================= */
.page{padding:clamp(30px,5vw,56px) 0 30px}
.page .prose{max-width:760px;margin-inline:auto}
.page h1{font-size:2.45rem;margin-bottom:14px;text-shadow:0 2px 30px rgba(0,0,0,.4)}
.profile{display:flex;gap:18px;align-items:center;border-radius:var(--radius);padding:20px;margin:24px 0}
.profile .pic{width:74px;height:74px;border-radius:16px;background:rgba(255,255,255,.14);color:#fff;flex:none;display:grid;place-items:center;font-family:var(--f-display);font-weight:600;font-size:1.8rem;box-shadow:var(--glass-in)}
.profile h3{font-size:1.2rem;font-weight:600;margin-bottom:4px;color:#fff}
.profile p{font-size:.92rem;color:var(--ink-2);margin:0}
.contact-card{border-radius:var(--radius);padding:22px;margin:18px 0}
.contact-card a{color:#fff;font-family:var(--f-mono);text-decoration:underline;text-underline-offset:3px;text-decoration-color:var(--line-2)}

/* 按鈕 / 標籤 */
.btn{display:inline-flex;align-items:center;gap:.5em;font-family:var(--f-display);font-weight:600;font-size:1rem;padding:13px 23px;min-height:48px;border-radius:12px;cursor:pointer;border:0;text-align:center;transition:transform .16s ease,background-color .16s ease,box-shadow .16s ease}
.btn--primary{background:#fff;color:#111}
.btn--primary:hover{transform:translateY(-2px);box-shadow:var(--shadow)}
.btn--accent{background:rgba(255,255,255,.16);color:#fff;box-shadow:var(--glass-in);-webkit-backdrop-filter:blur(10px);backdrop-filter:blur(10px)}
.btn--accent:hover{background:rgba(255,255,255,.24);transform:translateY(-2px)}
.btn--ghost{background:rgba(255,255,255,.05);color:#fff;box-shadow:inset 0 0 0 1.5px var(--line-2)}
.btn--ghost:hover{box-shadow:inset 0 0 0 1.5px #fff;transform:translateY(-2px)}
.btn:active{transform:translateY(0) scale(.99)}
.tag{display:inline-flex;align-items:center;gap:.4em;font-size:.8rem;font-weight:500;color:var(--ink-2);background:rgba(255,255,255,.07);border:1px solid var(--line);padding:5px 11px;border-radius:20px}

/* 區塊 */
.section{padding:clamp(40px,6vw,72px) 0}
.section-head{display:flex;align-items:flex-end;justify-content:space-between;gap:18px;margin-bottom:28px;flex-wrap:wrap}
.section-head h2{font-size:1.95rem}
.section-head .sub{color:var(--ink-2);max-width:52ch;margin-top:8px}
.kicker{font-family:var(--f-mono);font-size:.74rem;font-weight:700;letter-spacing:.16em;text-transform:uppercase;color:var(--ink-3);display:inline-flex;align-items:center;gap:.65em;margin-bottom:11px}
.kicker::before{content:"";width:22px;height:2px;background:rgba(255,255,255,.6);border-radius:2px;flex:none}

/* =========================================================================
   頁尾
   ========================================================================= */
.footer-sponsor{background:rgba(255,255,255,.04);border-top:1px solid var(--line);-webkit-backdrop-filter:blur(12px);backdrop-filter:blur(12px)}
.footer-sponsor .fs-in{display:flex;align-items:center;gap:14px;padding:16px 0;font-size:.86rem;color:var(--ink-3)}
.footer-sponsor .fs-tag{font-family:var(--f-mono);font-size:.62rem;font-weight:700;letter-spacing:.12em;text-transform:uppercase;color:var(--ink-3);border:1px solid var(--line-2);border-radius:20px;padding:3px 9px;flex:none}
.footer-sponsor a{color:#fff;font-weight:600;text-decoration:underline;text-underline-offset:3px;text-decoration-color:var(--line-2)}
.footer-sponsor a:hover{text-decoration-color:#fff}

.site-foot{background:rgba(8,8,11,.6);border-top:1px solid var(--line);-webkit-backdrop-filter:blur(12px);backdrop-filter:blur(12px);color:var(--ink-2);padding:48px 0 30px}
.foot-grid{display:grid;grid-template-columns:1.4fr 1fr 1fr 1fr;gap:28px}
.site-foot .brand{color:#fff}
.foot-about{font-size:.9rem;color:var(--ink-3);max-width:34ch;margin-top:14px;line-height:1.7}
.foot-col h4{font-family:var(--f-mono);font-size:.72rem;letter-spacing:.1em;text-transform:uppercase;color:var(--ink-3);margin-bottom:14px;font-weight:700}
.foot-col a{display:block;color:var(--ink-2);font-size:.92rem;padding:5px 0;transition:.14s}
.foot-col a:hover{color:#fff}
.foot-bottom{display:flex;flex-wrap:wrap;gap:12px;justify-content:space-between;align-items:center;margin-top:38px;padding-top:22px;border-top:1px solid var(--line);font-size:.82rem;color:var(--ink-3);font-family:var(--f-mono)}
.foot-bottom .lang span{color:var(--ink-2)}
@media (max-width:760px){.foot-grid{grid-template-columns:1fr 1fr}.foot-about{grid-column:1/-1}}
@media (max-width:440px){.foot-grid{grid-template-columns:1fr}}

/* 工具 */
.center{text-align:center}.mt-0{margin-top:0}.muted{color:var(--ink-3)}
.divider{height:1px;background:var(--line);border:0;margin:0}
.cluster{display:flex;flex-wrap:wrap;gap:10px;align-items:center}
.updated{font-family:var(--f-mono);font-size:.82rem;color:var(--ink-3);display:inline-flex;align-items:center;gap:.5em}
.updated b{color:#fff;font-weight:700}

@supports(padding:max(0px)){.wrap{padding-left:max(var(--gutter),env(safe-area-inset-left));padding-right:max(var(--gutter),env(safe-area-inset-right))}}

/* === 內頁環境：飄浮的超市物件剪影（與首頁呼應） === */
html::before{content:"";position:fixed;inset:0;z-index:-1;pointer-events:none;background-repeat:no-repeat;
  background-image:
    url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='%23fff' stroke-opacity='0.06' stroke-width='1' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpath d='M10 2h4v3l1.6 2.6a3 3 0 0 1 .4 1.5V20a2 2 0 0 1-2 2h-4a2 2 0 0 1-2-2V9.1a3 3 0 0 1 .4-1.5L10 5z'/%3E%3Cpath d='M9 13h6'/%3E%3C/svg%3E"),
    url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='%23fff' stroke-opacity='0.06' stroke-width='1'%3E%3Crect x='4' y='6' width='16' height='14' rx='2'/%3E%3Cpath d='M4 10h16'/%3E%3C/svg%3E"),
    url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='%23fff' stroke-opacity='0.06' stroke-width='1' stroke-linejoin='round'%3E%3Cpath d='M3 9h18l-1.5 11a2 2 0 0 1-2 1.8H6.5a2 2 0 0 1-2-1.8z'/%3E%3Cpath d='M3 9 8 3M21 9 16 3'/%3E%3C/svg%3E"),
    url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='%23fff' stroke-opacity='0.06' stroke-width='1' stroke-linecap='round'%3E%3Cpath d='M4 8h12v5a5 5 0 0 1-5 5H9a5 5 0 0 1-5-5z'/%3E%3Cpath d='M16 9h2.5a2.5 2.5 0 0 1 0 5H16'/%3E%3C/svg%3E");
  background-position:6% 24%, 92% 16%, 86% 84%, 11% 88%;
  background-size:122px,108px,150px,100px}
@media (max-width:760px){html::before{background-image:none}}

/* === 內頁滾動進場（漸進增強；html.js 由 site.js 加上） === */
html.js .reveal{opacity:0;transform:translateY(20px);transition:opacity .6s ease,transform .6s cubic-bezier(.2,.7,.3,1)}
html.js .reveal.in{opacity:1;transform:none}
@media (prefers-reduced-motion:reduce){html.js .reveal{opacity:1!important;transform:none!important;transition:none!important}}

/* === 文章首圖（線描貨架帶） === */
.article-hero{position:relative;margin:20px 0 6px;padding:clamp(16px,3vw,26px) clamp(18px,3vw,30px);border-radius:var(--radius);
  background:rgba(255,255,255,.03);-webkit-backdrop-filter:blur(8px);backdrop-filter:blur(8px);
  box-shadow:var(--glass-in),var(--shadow-sm);overflow:hidden;display:flex;justify-content:center}
.article-hero svg{width:100%;max-width:620px;height:auto;display:block}
.article-hero .ah-cap{position:absolute;left:clamp(18px,3vw,30px);bottom:10px;font-family:var(--f-mono);
  font-size:.64rem;letter-spacing:.13em;text-transform:uppercase;color:rgba(255,255,255,.42)}

/* === 真實照片主圖：放入 assets/img/guides/ 後自動顯示；無檔時隱藏、維持上方線稿 hero === */
.guide-hero{margin:20px 0 6px;border-radius:var(--radius);overflow:hidden;position:relative;
  border:1px solid var(--line);background:rgba(255,255,255,.03);box-shadow:var(--glass-in),0 22px 50px rgba(0,0,0,.42)}
.guide-hero[hidden]{display:none}
.guide-hero img{display:block;width:100%;height:auto;aspect-ratio:64/27;object-fit:cover;
  filter:saturate(.94) contrast(1.03) brightness(.96)}
.guide-hero::after{content:"";position:absolute;inset:0;pointer-events:none;
  background:linear-gradient(180deg,rgba(10,10,12,.14),transparent 28%,transparent 60%,rgba(10,10,12,.68))}
.guide-hero figcaption{position:absolute;left:clamp(16px,3vw,26px);right:clamp(16px,3vw,26px);bottom:11px;z-index:1;font-family:var(--f-mono);
  font-size:.6rem;letter-spacing:.08em;color:rgba(255,255,255,.6);text-align:right;line-height:1.3}
.guide-hero figcaption a{color:inherit;text-decoration:none;border-bottom:1px solid rgba(255,255,255,.28)}
.guide-hero figcaption a:hover{color:#fff}
@media (max-width:760px){.guide-hero img{aspect-ratio:3/2}}

/* === 頁面平滑轉場 === */
@view-transition{navigation:auto}
::view-transition-old(root),::view-transition-new(root){animation-duration:.32s;animation-timing-function:cubic-bezier(.2,.7,.3,1)}
@media (prefers-reduced-motion:reduce){::view-transition-old(root),::view-transition-new(root){animation:none!important}}

/* === 克制的品牌暖色焦點 === */
:root{--brand:#ff7a52}
.scroll-progress{position:fixed;top:0;left:0;right:0;height:3px;z-index:200;background:var(--brand);transform:scaleX(0);transform-origin:left;will-change:transform;transition:transform .08s linear}
.product .ph{align-items:center}
.product .ph .p-ic{width:34px;height:34px;border-radius:10px;background:rgba(255,255,255,.07);display:grid;place-items:center;flex:none;box-shadow:inset 0 1px 0 rgba(255,255,255,.14)}
.product .ph .p-ic svg{width:19px;height:19px;stroke:var(--brand);fill:none;stroke-width:1.6;stroke-linecap:round;stroke-linejoin:round;opacity:.95}
.kicker{color:var(--brand)}
.kicker::before{background:var(--brand)}
.breadcrumb a:hover{color:var(--brand)}
.prose>h2 .num{border-color:rgba(255,122,82,.42)}
.prose>h2 .num svg{stroke:var(--brand)}
.toc a.active{color:var(--brand);box-shadow:inset 3px 0 0 var(--brand)}
.prose a:not(.btn):hover{text-decoration-color:var(--brand)}
.article-head .ticket--accent{color:var(--brand);box-shadow:inset 0 0 0 1.5px rgba(255,122,82,.5)}

/* === 回到頂部 === */
.to-top{position:fixed;right:clamp(16px,3vw,30px);bottom:clamp(16px,3vw,30px);z-index:120;width:48px;height:48px;
  border-radius:50%;border:0;cursor:pointer;display:grid;place-items:center;color:#fff;
  background:rgba(255,255,255,.08);-webkit-backdrop-filter:blur(14px);backdrop-filter:blur(14px);
  box-shadow:inset 0 1px 0 rgba(255,255,255,.2),0 10px 28px -8px rgba(0,0,0,.55);
  opacity:0;transform:translateY(14px) scale(.9);pointer-events:none;
  transition:opacity .25s ease,transform .25s cubic-bezier(.2,.7,.3,1),background-color .15s ease}
.to-top.show{opacity:1;transform:none;pointer-events:auto}
.to-top:hover{background:rgba(255,255,255,.18)}
.to-top:active{transform:scale(.92)}
.to-top svg{width:21px;height:21px;stroke:#fff;fill:none;stroke-width:2.2;stroke-linecap:round;stroke-linejoin:round}
@media (prefers-reduced-motion:reduce){.to-top{transition:opacity .25s ease}}

/* === 提示卡標題小圖標 === */
.note .nh::before{content:"";width:18px;height:18px;flex:none;background-repeat:no-repeat;background-position:center;background-size:contain}
.note--warn .nh::before{background-image:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='%23f3b3a6' stroke-width='2' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpath d='M10.3 3.3 1.8 18a2 2 0 0 0 1.7 3h17a2 2 0 0 0 1.7-3L13.7 3.3a2 2 0 0 0-3.4 0z'/%3E%3Cpath d='M12 9v4M12 17h.01'/%3E%3C/svg%3E")}
.note--tip .nh::before{background-image:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='%23b6ecae' stroke-width='2' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpath d='M9 18h6M10 21h4'/%3E%3Cpath d='M12 2a7 7 0 0 0-4 12.7c.6.5 1 1.3 1 2.3h6c0-1 .4-1.8 1-2.3A7 7 0 0 0 12 2z'/%3E%3C/svg%3E")}
.note--info .nh::before{background-image:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='%23aed3f5' stroke-width='2' stroke-linecap='round' stroke-linejoin='round'%3E%3Ccircle cx='12' cy='12' r='9'/%3E%3Cpath d='M12 11v5M12 8h.01'/%3E%3C/svg%3E")}