/* GTC 老師招募站 v2 · 共用設計系統
   牛皮紙底＋墨色字＋唯一的磚紅（只用在按鈕、連結、章節號）。
   規則出處：~/.claude/skills/web-craft/SKILL.md */

:root{
  --paper:#F4EFE6; --paper-2:#EBE3D6; --sheet:#FBF8F2;
  --ink:#1C1A17; --ink-2:#3A352E; --muted:#6B645A;
  --rule:rgba(28,26,23,.16); --rule-2:rgba(28,26,23,.08);
  --accent:#B3431B; --accent-ink:#8E3313; --on-accent:#FBF8F2;
  --serif:"Newsreader",Georgia,"Times New Roman",serif;
  --sans:"Schibsted Grotesk",-apple-system,BlinkMacSystemFont,"Segoe UI",Roboto,sans-serif;
  --zh:"PingFang TC","Noto Sans TC","Microsoft JhengHei",sans-serif;
  --zh-head:"LXGW WenKai TC","PingFang TC","Noto Serif TC",serif;
  --wrap:1180px; --gut:clamp(16px,4vw,40px);
  font-synthesis:none;
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-padding-top:84px}
body{margin:0;background:var(--paper);color:var(--ink);font:400 17px/1.6 var(--sans);-webkit-font-smoothing:antialiased}
html.zh body{font-family:var(--sans),var(--zh)}
img{max-width:100%;height:auto;display:block}
a{color:var(--accent);text-decoration:underline;text-decoration-thickness:1px;text-underline-offset:.22em;transition:text-decoration-thickness .15s,color .15s}
a:hover{text-decoration-thickness:2px;color:var(--accent-ink)}
:focus-visible{outline:2px solid var(--accent);outline-offset:3px;border-radius:2px}
p{margin:0 0 1em;text-wrap:pretty}
h1,h2,h3{margin:0;font-weight:500;color:var(--ink)}

/* 語言：<html class="en|zh">。inline 用 data-lang，區塊用 data-lang-block */
html.en [data-lang="zh"],html.zh [data-lang="en"],
html.en [data-lang-block="zh"],html.zh [data-lang-block="en"]{display:none!important}

/* 中英排版 */
:lang(en) h1,:lang(en) h2,:lang(en) h3{text-wrap:balance;font-family:var(--serif);font-optical-sizing:auto}
:lang(en){hanging-punctuation:first allow-end}
:lang(zh-Hant){line-break:strict;text-autospace:normal;text-spacing-trim:trim-start}
:lang(zh-Hant) body{line-height:1.8;letter-spacing:.02em}
:lang(zh-Hant) h1,:lang(zh-Hant) h2,:lang(zh-Hant) h3{font-family:var(--zh-head);text-wrap:pretty;letter-spacing:.01em}
.num,.tab-nums{font-variant-numeric:lining-nums tabular-nums}

/* 版心 */
.wrap{width:min(var(--wrap),100% - 2*var(--gut));margin-inline:auto}
.grid{display:grid;grid-template-columns:repeat(12,minmax(0,1fr));column-gap:clamp(16px,2.4vw,32px)}
.measure{max-width:64ch}

/* ── 頂列 ── */
.top{position:sticky;top:0;z-index:40;background:var(--paper);border-bottom:1px solid var(--rule)}
.top .wrap{display:flex;align-items:center;gap:20px;min-height:64px}
.mark{display:flex;align-items:baseline;gap:10px;color:var(--ink);text-decoration:none;white-space:nowrap}
.mark:hover{color:var(--ink)}
.mark b{font:600 22px/1 var(--serif);letter-spacing:-.01em}
.mark span{font-size:13px;color:var(--muted)}
.route{display:flex;gap:22px;margin-left:auto;list-style:none;padding:0;margin-block:0}
.route a{color:var(--ink-2);text-decoration:none;font-size:15px;display:flex;gap:7px;align-items:baseline;padding:6px 0;border-bottom:1px solid transparent}
.route a i{font-style:normal;font:500 13px/1 var(--serif);color:var(--accent)}
.route a:hover{border-bottom-color:var(--ink)}
.route a[aria-current="page"]{border-bottom:2px solid var(--accent);color:var(--ink)}
.lang{display:flex;gap:2px;font-size:14px;color:var(--muted)}
.lang button{all:unset;cursor:pointer;padding:6px 7px;border-radius:3px}
.lang button[aria-pressed="true"]{color:var(--ink);text-decoration:underline;text-decoration-color:var(--accent);text-decoration-thickness:2px;text-underline-offset:6px}
.lang button:focus-visible{outline:2px solid var(--accent)}
.top .btn{padding:10px 14px;font-size:14px}

/* ── 按鈕 ── */
.btn{display:inline-flex;align-items:center;gap:10px;min-height:44px;padding:13px 20px;border-radius:4px;font:600 16px/1.2 var(--sans);text-decoration:none;cursor:pointer;border:1px solid transparent;transition:background .15s,transform .08s}
.btn:active{transform:translateY(1px)}
.btn.primary{background:var(--accent);color:var(--on-accent)}
.btn.primary:hover{background:var(--accent-ink);color:var(--on-accent)}
.btn.quiet{background:transparent;color:var(--ink);border-color:var(--ink)}
.btn.quiet:hover{background:var(--ink);color:var(--paper)}
.btn .arr{transition:transform .15s}
.btn:hover .arr{transform:translateX(3px)}
button.btn{font-family:var(--sans)}

/* ── 字級 ── */
.kicker{font-size:14px;color:var(--muted);margin:0 0 18px;display:flex;gap:10px;align-items:center;flex-wrap:wrap}
.kicker .step{color:var(--accent);font-weight:600}
.h-display{font-size:clamp(40px,6.2vw,80px);line-height:1.02;letter-spacing:-.022em}
:lang(zh-Hant) .h-display{font-size:clamp(34px,5.2vw,64px);line-height:1.22;letter-spacing:.01em;font-weight:700}
.h-sec{font-size:clamp(30px,3.6vw,46px);line-height:1.08;letter-spacing:-.015em}
:lang(zh-Hant) .h-sec{font-size:clamp(26px,3vw,38px);line-height:1.3;font-weight:700}
.lead{font-size:clamp(18px,1.6vw,21px);line-height:1.55;color:var(--ink-2);max-width:40ch}
:lang(zh-Hant) .lead{max-width:30em;line-height:1.85}
.small{font-size:14px;color:var(--muted)}

/* ── 區塊 ── */
section{padding-block:clamp(64px,9vw,128px)}
.rule-top{border-top:1px solid var(--rule)}
.band{background:var(--paper-2)}

/* 圖（真實截圖）*/
.fig{margin:0}
.fig .frame{background:#fff;border:1px solid var(--rule);border-radius:6px;overflow:hidden;box-shadow:0 1px 2px rgba(28,26,23,.05),0 18px 40px -24px rgba(28,26,23,.35)}
.fig figcaption{margin-top:12px;font-size:13.5px;color:var(--muted);display:flex;gap:8px}
.fig figcaption b{color:var(--ink);font-weight:600;white-space:nowrap}
@media (prefers-reduced-motion:no-preference){
  @supports (animation-timeline:view()){
    .rise{animation:rise linear both;animation-timeline:view();animation-range:entry 0% cover 28%}
  }
}
@keyframes rise{from{opacity:.001;translate:0 28px}}

/* 表格式清單（取代卡片網格）*/
.rows{list-style:none;margin:0;padding:0;border-top:1px solid var(--ink)}
.rows li{display:grid;grid-template-columns:minmax(0,1fr) minmax(0,1.5fr);gap:16px;padding:16px 0;border-bottom:1px solid var(--rule)}
.rows .k{font-weight:600}
.rows .v{color:var(--muted)}

/* 摺疊（原生 details）*/
.qa{border-top:1px solid var(--ink)}
.qa details{border-bottom:1px solid var(--rule)}
.qa summary{list-style:none;cursor:pointer;display:flex;justify-content:space-between;gap:20px;padding:20px 0;font-size:clamp(18px,1.6vw,21px);font-weight:500}
:lang(en) .qa summary{font-family:var(--serif)}
:lang(zh-Hant) .qa summary{font-family:var(--zh-head);font-weight:700}
.qa summary::-webkit-details-marker{display:none}
.qa summary::after{content:"+";font:300 26px/1 var(--sans);color:var(--accent);transition:transform .2s;flex:none;margin-top:-2px}
.qa details[open] summary::after{transform:rotate(45deg)}
.qa .ans{padding:0 0 24px;max-width:66ch;color:var(--ink-2)}
.qa .ans p:last-child{margin:0}
.qa .sub{display:grid;grid-template-columns:minmax(0,14em) minmax(0,1fr);gap:4px 24px;padding:10px 0;border-top:1px dashed var(--rule)}
.qa .sub:first-child{border-top:0}
.qa .sub b{font-weight:600;color:var(--ink)}
.qa .sub p{margin:0;color:var(--muted)}

/* 下一步 */
.next{display:grid;grid-template-columns:auto minmax(0,1fr) auto;gap:8px 28px;align-items:center;padding:32px 0;border-top:1px solid var(--ink);border-bottom:1px solid var(--ink)}
.next .n{font:500 clamp(44px,5vw,64px)/1 var(--serif);color:var(--accent)}
.next h3{font-size:clamp(22px,2.2vw,28px);line-height:1.2}
.next p{margin:4px 0 0;color:var(--muted)}

/* 預約區（全站唯一深色帶）*/
.talk{background:var(--ink);color:var(--paper)}
.talk h2{color:var(--paper)}
.talk .lead{color:#D9D1C3}
.talk .btn.primary{background:var(--accent);color:var(--on-accent)}
.talk .btn.quiet{color:var(--paper);border-color:rgba(244,239,230,.5)}
.talk .btn.quiet:hover{background:var(--paper);color:var(--ink)}
.talk a:not(.btn){color:#F0C9B5}
.talk .facts{list-style:none;margin:28px 0 0;padding:0;border-top:1px solid rgba(244,239,230,.22)}
.talk .facts li{display:flex;gap:16px;padding:12px 0;border-bottom:1px solid rgba(244,239,230,.14);font-size:16px}
.talk .facts b{min-width:7.5em;font-weight:600;color:var(--paper)}
.talk .facts span{color:#CFC6B7}
.talk .quote{font:400 clamp(22px,2.4vw,30px)/1.35 var(--serif);color:var(--paper);margin:0}
:lang(zh-Hant) .talk .quote{font-family:var(--zh-head)}
.talk .who{margin-top:14px;font-size:14px;color:#B9B0A1}

/* 頁尾 */
.foot{padding:40px 0 calc(40px + env(safe-area-inset-bottom));border-top:1px solid var(--rule);font-size:14px;color:var(--muted)}
.foot .wrap{display:flex;flex-wrap:wrap;gap:12px 28px;justify-content:space-between}
.foot a{color:var(--ink-2)}

/* 手機底部預約列 */
.dock{display:none}
@media (max-width:760px){
  .route{display:none}
  .top .wrap{gap:10px;min-height:56px}
  .mark span{display:none}
  .lang{margin-left:auto}
  .top .btn{display:none}
  .dock{display:flex;position:fixed;inset:auto 0 0 0;z-index:45;background:var(--paper);border-top:1px solid var(--rule);padding:10px 16px calc(10px + env(safe-area-inset-bottom));gap:12px;align-items:center;justify-content:space-between;transform:translateY(0);transition:transform .25s}
  .dock.hide{transform:translateY(110%)}
  .dock .small{line-height:1.3}
  .dock .btn{padding:11px 16px;font-size:15px;white-space:nowrap}
  body{padding-bottom:76px}
  .rows li{grid-template-columns:1fr;gap:2px}
  .qa .sub{grid-template-columns:1fr}
  .next{grid-template-columns:1fr}
  .next .n{font-size:40px}
}
/* 子頁手機版路線條 */
.route-strip{display:none;gap:18px;overflow-x:auto;scrollbar-width:none;padding:10px var(--gut);border-bottom:1px solid var(--rule);font-size:14px;white-space:nowrap}
.route-strip::-webkit-scrollbar{display:none}
.route-strip a{color:var(--ink-2);text-decoration:none}
.route-strip a i{font-style:normal;color:var(--accent);margin-right:5px;font-family:var(--serif)}
.route-strip a[aria-current="page"]{color:var(--ink);font-weight:600;text-decoration:underline;text-decoration-color:var(--accent);text-decoration-thickness:2px;text-underline-offset:6px}

@media (max-width:760px){.route-strip{display:flex}}
[hidden]{display:none!important}

/* 語言切換淡入 */
::view-transition-old(root),::view-transition-new(root){animation-duration:.22s}
@media (prefers-reduced-motion:reduce){*{scroll-behavior:auto!important}}

/* ═════ 首頁 ═════ */
.hero{padding-top:clamp(40px,7vw,96px);padding-bottom:0}
.hero-l{grid-column:1/span 6;align-self:center}
.hero-fig{grid-column:7/span 6;align-self:center}
.hero-cta{margin:36px 0 14px}
.hero-alt a{color:var(--ink-2)}
.frame.crop img{aspect-ratio:16/11;object-fit:cover;object-position:top left;width:100%}
.facts-line{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:24px;margin:clamp(56px,7vw,96px) 0 0;padding:28px 0 clamp(64px,8vw,104px);border-top:1px solid var(--ink)}
.facts-line div{margin:0}
.facts-line dt{font:500 clamp(34px,3.6vw,48px)/1 var(--serif);letter-spacing:-.02em}
.facts-line dt small{font-size:.45em;color:var(--muted);margin-left:3px;letter-spacing:0}
.facts-line dd{margin:10px 0 0;color:var(--muted);font-size:15px;max-width:22ch}

.patch-l{grid-column:1/span 5}
.tools{grid-column:6/span 7}
.tools li{grid-template-columns:minmax(0,11em) minmax(0,1fr);align-items:baseline}
.tools .k{font-weight:500;color:var(--ink-2)}
.tools li.one{border-top:2px solid var(--ink);border-bottom:0;margin-top:-1px;padding-top:22px}
.tools li.one .k{font:600 26px/1 var(--serif);color:var(--ink)}
.tools li.one .v{color:var(--ink);font-weight:500}

.why-l{grid-column:1/span 4;align-self:start;position:sticky;top:100px}
.why-r{grid-column:6/span 7}
.thesis{font:400 clamp(26px,2.6vw,34px)/1.28 var(--serif);letter-spacing:-.01em;margin:0}
:lang(zh-Hant) .thesis{font-family:var(--zh-head);line-height:1.5}

.path-l{grid-column:1/span 4}
.steps{grid-column:6/span 7;list-style:none;margin:0;padding:0;border-top:1px solid var(--ink)}
.steps li{display:grid;grid-template-columns:4.2rem minmax(0,1fr) auto;gap:8px 20px;padding:28px 0;border-bottom:1px solid var(--rule);align-items:start}
.steps .n{font:500 clamp(34px,3.4vw,46px)/.95 var(--serif);color:var(--accent)}
.steps h3{font-size:clamp(22px,2.2vw,28px);line-height:1.2;margin-bottom:8px}
.steps h3 a{color:var(--ink);text-decoration-color:var(--rule)}
.steps h3 a:hover{text-decoration-color:var(--accent)}
.steps p{margin:0;color:var(--muted);max-width:52ch}
.steps .t{color:var(--muted);font-size:14px;padding-top:8px;white-space:nowrap}

.cost-l,.faq-l{grid-column:1/span 4}
.cost-r,.faq-r{grid-column:6/span 7}
.cost-r li{grid-template-columns:minmax(0,10em) minmax(0,1fr);align-items:baseline}
.cost-r .k{font:500 22px/1.2 var(--serif)}
:lang(zh-Hant) .cost-r .k{font-family:var(--serif),var(--zh-head)}
.cost-r .v{color:var(--ink-2)}

.letter-k{grid-column:1/span 2}
.letter-body{grid-column:3/span 7}
.letter-p{font:400 clamp(21px,2vw,26px)/1.5 var(--serif);color:var(--ink-2)}
:lang(zh-Hant) .letter-p{font-family:var(--zh-head);line-height:1.8}
.sig{font:italic 400 30px/1 var(--serif);margin-top:28px}

.talk-l{grid-column:1/span 7}
.talk-r{grid-column:9/span 4;align-self:end;margin:0;padding-top:32px;border-top:1px solid rgba(244,239,230,.22)}

@media (max-width:900px){
  .hero-l,.hero-fig,.patch-l,.tools,.why-l,.why-r,.path-l,.steps,.cost-l,.cost-r,.faq-l,.faq-r,.letter-k,.letter-body,.talk-l,.talk-r{grid-column:1/-1}
  .hero-fig{margin-top:40px}
  .why-l{position:static;margin-bottom:28px}
  .patch-l,.path-l,.cost-l,.faq-l{margin-bottom:32px}
  .talk-r{margin-top:48px}
}
@media (max-width:560px){
  .facts-line{grid-template-columns:1fr;gap:18px}
  .facts-line div{display:flex;gap:16px;align-items:baseline}
  .facts-line dd{margin:0}
  .steps li{grid-template-columns:3rem minmax(0,1fr)}
  .steps .t{grid-column:2;padding-top:0}
  .tools li,.cost-r li{grid-template-columns:1fr}
}
.nb{white-space:nowrap}
:lang(zh-Hant) h3{font-weight:700}
.letter-k{align-self:start;padding-top:10px}
.talk-k{display:inline-block;margin:0 0 22px;padding:6px 12px;border:1px solid rgba(244,239,230,.35);border-radius:3px;font-size:14px;color:var(--paper);letter-spacing:.02em}
.h-talk{font-size:clamp(38px,5.4vw,68px);line-height:1.04;letter-spacing:-.02em;color:var(--paper)}
:lang(zh-Hant) .h-talk{font-size:clamp(32px,4.4vw,54px);line-height:1.3;font-weight:700}

/* ═════ 子頁共用 ═════ */
.page-head{padding:clamp(40px,6vw,88px) 0 clamp(28px,4vw,48px)}
.page-head .lead{max-width:48ch}
.after{padding-top:0}
a.next:hover .btn.primary{background:var(--accent-ink)}
a.next:hover h3{text-decoration:underline;text-decoration-color:var(--accent);text-underline-offset:.2em}

/* ═════ 第 1 步 · 導覽 ═════ */
.tour{padding-top:0}
.tour-nav{grid-column:1/span 3;align-self:start;position:sticky;top:88px}
.tour-nav ol{list-style:none;margin:0;padding:0;border-top:1px solid var(--ink)}
.tour-nav button{all:unset;box-sizing:border-box;width:100%;cursor:pointer;display:flex;justify-content:space-between;gap:12px;align-items:baseline;padding:14px 2px;border-bottom:1px solid var(--rule);font-size:16px;color:var(--ink-2)}
.tour-nav button:hover .nm{text-decoration:underline;text-underline-offset:.2em}
.tour-nav button:focus-visible{outline:2px solid var(--accent);outline-offset:-2px}
.tour-nav button[aria-current="true"]{color:var(--ink);font-weight:600;box-shadow:inset 3px 0 0 var(--accent);padding-left:14px}
.tour-nav button.seen .nm::after{content:" ✓";color:var(--muted);font-weight:400}
.tour-nav .ct{font-size:13px;color:var(--muted)}
.tour-card{grid-column:5/span 8;min-height:60vh}
.tc-meta{display:flex;justify-content:space-between;font-size:14px;color:var(--muted);margin:0 0 10px}
.tc-bar{height:2px;background:var(--rule);margin-bottom:34px}
.tc-bar i{display:block;height:100%;background:var(--accent);transition:width .3s}
.tc-h{font-size:clamp(28px,3.2vw,42px);line-height:1.1;letter-spacing:-.015em;outline:none}
:lang(zh-Hant) .tc-h{font-size:clamp(24px,2.6vw,34px);line-height:1.35;font-weight:700}
.tc-d{margin:16px 0 28px;font-size:18px;color:var(--ink-2);max-width:62ch}
.tfig{margin:8px 0 28px}
.tfig .frame img{width:100%}
.tc-li{list-style:none;margin:0 0 8px;padding:0;border-top:1px solid var(--rule)}
.tc-li li{padding:12px 0 12px 22px;border-bottom:1px solid var(--rule);position:relative;color:var(--ink-2)}
.tc-li li::before{content:"";position:absolute;left:3px;top:.95em;width:5px;height:5px;background:var(--accent)}
.tc-nav{display:flex;justify-content:space-between;gap:12px;flex-wrap:wrap;margin-top:36px;padding-top:24px;border-top:1px solid var(--ink)}
.tc-nav .btn.primary{margin-left:auto}
/* 導覽裡的示意 */
.mock{border:1px solid var(--rule);border-radius:6px;overflow:hidden;background:#fff;margin:8px 0 28px}
.mock-bar{display:flex;gap:6px;padding:10px 12px;background:var(--paper-2);border-bottom:1px solid var(--rule)}
.mock-bar i{width:9px;height:9px;border-radius:50%;background:rgba(28,26,23,.18)}
.mock-brand{display:flex;align-items:center;gap:10px;padding:14px 16px;border-bottom:1px solid var(--rule-2)}
.mock-brand .lg{width:28px;height:28px;border-radius:5px;background:var(--ink);color:var(--paper);display:grid;place-items:center;font:600 14px/1 var(--serif)}
.mock-brand .yours{margin-left:auto;font-size:12px;color:var(--accent);border:1px solid currentColor;padding:2px 8px;border-radius:3px}
.mock-tabs{display:flex;gap:4px;flex-wrap:wrap;padding:10px 12px;border-bottom:1px solid var(--rule-2);font-size:13px;color:var(--muted)}
.mock-tabs span{padding:5px 10px;border-radius:3px}
.mock-tabs .on{background:var(--ink);color:var(--paper)}
.mock-body{padding:18px 16px;display:grid;gap:10px}
.mock-body i{height:10px;border-radius:2px;background:var(--paper-2)}
.mock-body .m{width:72%}.mock-body .s{width:48%}
.price-v{display:flex;gap:28px;align-items:center;flex-wrap:wrap;margin:8px 0 28px;padding:24px 0;border-top:1px solid var(--ink);border-bottom:1px solid var(--rule)}
.price-v .amt{font:500 72px/1 var(--serif);letter-spacing:-.03em}
.price-v .amt span{font-size:22px;color:var(--muted);margin-left:4px}
.price-v p{margin:6px 0 0;color:var(--muted)}
.pairs{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:0 28px;margin:8px 0 28px;border-top:1px solid var(--rule)}
.pairs div{padding:14px 0;border-bottom:1px solid var(--rule)}
.pairs dt{font-weight:600}
.pairs dd{margin:4px 0 0;color:var(--muted);font-size:15px}
.tv{margin:8px 0 28px}
.seq{list-style:none;margin:8px 0 28px;padding:0}
.seq-h{display:flex;gap:12px;align-items:baseline;font-weight:600;margin:0 0 12px}
.seq-h .n{font:500 22px/1 var(--serif);color:var(--accent);flex:none}
.seq-then{margin:-6px 0 26px 34px;font-size:14px;color:var(--muted);font-style:italic}
:lang(zh-Hant) .seq-then{font-style:normal}
.cmp{margin:8px 0 20px;border-top:1px solid var(--ink)}
.cmp .r{display:grid;grid-template-columns:minmax(0,.8fr) minmax(0,1.2fr) minmax(0,1.2fr);gap:16px;padding:14px 0;border-bottom:1px solid var(--rule);font-size:15px}
.cmp .hd{font-weight:600;color:var(--ink)}
.cmp .r span{color:var(--ink-2)}
@media (max-width:900px){
  .tour-nav{grid-column:1/-1;position:sticky;top:56px;z-index:5;background:var(--paper);margin:0 calc(-1*var(--gut)) 28px;padding:0 var(--gut)}
  .tour-nav ol{display:flex;gap:4px;overflow-x:auto;border-top:0;border-bottom:1px solid var(--rule);scrollbar-width:none}
  .tour-nav ol::-webkit-scrollbar{display:none}
  .tour-nav li{flex:none}
  .tour-nav button{padding:12px 10px;border-bottom:0;font-size:15px}
  .tour-nav button[aria-current="true"]{box-shadow:inset 0 -2px 0 var(--accent);padding-left:10px}
  .tour-nav button.seen .nm::after{content:""}
  .tour-card{grid-column:1/-1}
  .pairs,.cmp .r{grid-template-columns:1fr}
  .cmp .hd{display:none}
  .cmp .r b{margin-bottom:-6px}
}
@media (max-width:760px){.tour-nav{top:0}}

/* ═════ 第 2 步 · 建置指南 ═════ */
.gh-l{grid-column:1/span 7}
.gh-r{grid-column:9/span 4;align-self:end}
.gprog{padding:18px 0;border-top:1px solid var(--ink)}
.gprog-top{display:flex;justify-content:space-between;align-items:baseline;margin:0 0 10px;font-size:15px}
.gprog-top b{font:500 26px/1 var(--serif)}
.gprog .tc-bar{margin-bottom:10px}
.gplan{border-top:1px solid var(--rule);border-bottom:1px solid var(--rule)}
.gplan summary{cursor:pointer;padding:14px 0;font-size:15px;color:var(--ink-2);list-style:none;display:flex;justify-content:space-between}
.gplan summary::-webkit-details-marker{display:none}
.gplan summary::after{content:"+";color:var(--accent);font-size:20px;line-height:1}
.gplan[open] summary::after{content:"−"}
.gplan p{font-size:15px;color:var(--ink-2)}
.guide{padding-top:0}
.g-nav{grid-column:1/span 3;align-self:start;position:sticky;top:88px}
.g-nav ol{list-style:none;margin:0;padding:0;border-top:1px solid var(--ink)}
.g-nav button{all:unset;box-sizing:border-box;width:100%;cursor:pointer;display:grid;grid-template-columns:1.6rem minmax(0,1fr) auto;gap:8px;align-items:baseline;padding:13px 2px;border-bottom:1px solid var(--rule);font-size:15px;color:var(--ink-2)}
.g-nav button:hover .nm{text-decoration:underline;text-underline-offset:.2em}
.g-nav button:focus-visible{outline:2px solid var(--accent);outline-offset:-2px}
.g-nav .no{font:500 15px/1 var(--serif);color:var(--accent)}
.g-nav .nm em{font-style:normal;font-size:12px;color:var(--muted);margin-left:4px}
.g-nav .ct{font-size:13px;color:var(--muted)}
.g-nav button.done .ct{color:var(--ink);font-weight:600}
.g-nav button[aria-current="true"]{color:var(--ink);font-weight:600;box-shadow:inset 3px 0 0 var(--accent);padding-left:12px}
.g-mod{grid-column:5/span 8}
.g-eye{font-size:14px;color:var(--muted);margin:0 0 12px;display:flex;gap:10px;align-items:center}
.badge{font-size:12px;padding:2px 8px;border:1px solid var(--ink);border-radius:3px;color:var(--ink)}
.badge.opt{border-style:dashed;color:var(--muted);border-color:var(--muted)}
.g-h{font-size:clamp(28px,3.2vw,42px);line-height:1.1;letter-spacing:-.015em;outline:none}
:lang(zh-Hant) .g-h{font-size:clamp(24px,2.6vw,34px);line-height:1.35;font-weight:700}
.g-intro{margin:16px 0 20px;font-size:18px;color:var(--ink-2);max-width:62ch}
.g-out{margin:0 0 28px;padding:14px 0 14px 18px;border-left:3px solid var(--ink);color:var(--ink-2);max-width:62ch}
.g-out b{display:block;font-size:13px;color:var(--muted);font-weight:600;margin-bottom:2px}
.gsteps{list-style:none;margin:0;padding:0;border-top:1px solid var(--ink)}
.gstep{display:grid;grid-template-columns:2.2rem minmax(0,1fr) auto;gap:0 18px;padding:24px 0;border-bottom:1px solid var(--rule)}
.gcheck{all:unset;box-sizing:border-box;width:26px;height:26px;border:1.5px solid var(--ink);border-radius:3px;cursor:pointer;margin-top:3px;display:grid;place-items:center;background:var(--sheet)}
.gcheck:focus-visible{outline:2px solid var(--accent);outline-offset:3px}
.gcheck:hover{background:var(--paper-2)}
.gstep.on .gcheck{background:var(--ink)}
.gstep.on .gcheck::after{content:"";width:11px;height:6px;border:2px solid var(--paper);border-top:0;border-right:0;transform:rotate(-45deg) translate(1px,-1px)}
.gbody h3{font-size:20px;line-height:1.3;margin-bottom:8px;cursor:pointer}
:lang(zh-Hant) .gbody h3{font-size:19px}
.gstep.on .gbody h3{color:var(--muted);text-decoration:line-through;text-decoration-color:rgba(28,26,23,.35)}
.snum{font:500 15px/1 var(--serif);color:var(--accent);margin-right:10px;text-decoration:none;display:inline-block}
.gbody p{color:var(--ink-2);max-width:60ch}
.gbody code{font:13.5px/1.4 ui-monospace,SFMono-Regular,Menlo,monospace;background:var(--paper-2);padding:1px 6px;border-radius:3px;color:var(--ink)}
.gchips{list-style:none;margin:4px 0 12px;padding:0;display:flex;flex-wrap:wrap;gap:6px 16px;font-size:14px;color:var(--muted)}
.gchips li::before{content:"";display:inline-block;width:5px;height:5px;background:var(--muted);margin:0 8px 2px 0;vertical-align:middle}
.gnote{font-size:15px;padding:10px 14px;background:var(--paper-2);border-radius:3px}
.gcopy{margin:8px 0 12px;border:1px solid var(--rule);border-radius:4px;background:var(--sheet);padding:16px}
.gcopy-h{font-size:14px;font-weight:600;margin:0 0 8px}
.gcopy-t{white-space:pre-wrap;font:14.5px/1.65 var(--sans),var(--zh);margin:0 0 14px;color:var(--ink-2);max-height:220px;overflow:auto}
.glink{margin:10px 0 4px}
.gshots{display:flex;flex-direction:column;gap:10px;width:148px}
.gshot{all:unset;cursor:zoom-in;position:relative;border:1px solid var(--rule);border-radius:4px;overflow:hidden;background:#fff}
.gshot img{width:100%;height:96px;object-fit:cover;object-position:top left}
.gshot span{position:absolute;right:6px;bottom:6px;font-size:11px;background:var(--ink);color:var(--paper);padding:2px 6px;border-radius:2px;opacity:0;transition:opacity .15s}
.gshot:hover span,.gshot:focus-visible span{opacity:1}
.gshot:focus-visible{outline:2px solid var(--accent);outline-offset:2px}
.g-tip{margin:28px 0 0;padding:14px 0 14px 18px;border-left:3px solid var(--accent);color:var(--ink-2);max-width:62ch}
.g-tip b{display:block;font-size:13px;color:var(--accent);margin-bottom:2px}
.gfin{padding:32px 0 8px}
.zoom{border:0;padding:0;max-width:min(1200px,94vw);max-height:92vh;background:transparent}
.zoom::backdrop{background:rgba(28,26,23,.82)}
.zoom img{max-height:92vh;width:auto;border-radius:4px;cursor:zoom-out}
@media (max-width:900px){
  .gh-l,.gh-r,.g-mod{grid-column:1/-1}
  .gh-r{margin-top:28px}
  .g-nav{grid-column:1/-1;position:sticky;top:56px;z-index:5;background:var(--paper);margin:0 calc(-1*var(--gut)) 28px;padding:0 var(--gut)}
  .g-nav ol{display:flex;overflow-x:auto;border-top:0;border-bottom:1px solid var(--rule);scrollbar-width:none}
  .g-nav ol::-webkit-scrollbar{display:none}
  .g-nav li{flex:none}
  .g-nav button{display:flex;gap:6px;padding:12px 10px;border-bottom:0}
  .g-nav .ct{display:none}
  .g-nav button[aria-current="true"]{box-shadow:inset 0 -2px 0 var(--accent);padding-left:10px}
  .gstep{grid-template-columns:2.2rem minmax(0,1fr)}
  .gshots{grid-column:2;flex-direction:row;width:auto;overflow-x:auto;margin-top:6px}
  .gshot{flex:none;width:132px}
}
@media (max-width:760px){.g-nav{top:0}}

/* ═════ 第 3 步 · GTC ═════ */
.gt-l{grid-column:1/span 8}
.now-l,.mk-l{grid-column:1/span 4}
.now-r{grid-column:6/span 7}
.cols{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:28px;border-top:1px solid var(--ink);padding-top:22px}
.cols h3{font-size:21px;line-height:1.25;margin-bottom:10px}
.cols p{color:var(--muted);font-size:15.5px;margin:0}
.mk-r{grid-column:6/span 7}
.eco-k{grid-column:1/span 2;align-self:start;padding-top:10px}
.eco-body{grid-column:3/span 8}

/* ═════ 找 KC 聊聊 ═════ */
.talk-page{padding-top:clamp(56px,8vw,112px)}
.btn.big{padding:17px 26px;font-size:18px}
.book{margin-top:36px}
.cover-h{font-size:14px;color:#B9B0A1;margin:0 0 10px}
.talk-page .talk-r{border-top:0;padding-top:0;align-self:start}
.talk-page .facts li{display:block}
.talk-page .facts li span{color:var(--paper)}
.wr-l{grid-column:1/span 4}
.wr-r{grid-column:6/span 7}
.form{display:grid;gap:26px}
.f{border:0;margin:0;padding:0;min-width:0}
.f > label,.f legend{display:block;font-weight:600;margin-bottom:8px;padding:0}
.f .req{color:var(--accent)}
.f .opt{font-weight:400;color:var(--muted);font-size:14px;margin-left:6px}
.form input[type=text],.form input[type=email],.form textarea,.form select{width:100%;font:inherit;font-size:16px;color:var(--ink);background:var(--sheet);border:1px solid rgba(28,26,23,.3);border-radius:4px;padding:12px 14px;min-height:46px}
.form textarea{resize:vertical;line-height:1.6}
.form input:focus,.form textarea:focus,.form select:focus{outline:2px solid var(--accent);outline-offset:1px;border-color:transparent}
.opts{display:flex;flex-wrap:wrap;gap:8px}
.opts label{position:relative;cursor:pointer}
.opts input{position:absolute;opacity:0;inset:0;cursor:pointer}
.opts input + span{display:inline-flex;align-items:center;min-height:42px;padding:9px 16px;border:1px solid rgba(28,26,23,.3);border-radius:4px;background:var(--sheet);font-size:15px}
.opts.sm input + span{min-height:38px;padding:7px 12px;font-size:14px}
.opts input:checked + span{background:var(--ink);color:var(--paper);border-color:var(--ink)}
.opts input:focus-visible + span{outline:2px solid var(--accent);outline-offset:2px}
.tgroup{display:grid;grid-template-columns:6.5em minmax(0,1fr);gap:8px 14px;align-items:start;padding:10px 0;border-top:1px dashed var(--rule)}
.tgroup .gl{font-size:14px;color:var(--muted);padding-top:9px}
.crow{display:grid;grid-template-columns:9em minmax(0,1fr);gap:8px;margin-bottom:8px}
.linkbtn{all:unset;cursor:pointer;color:var(--accent);font-size:15px;text-decoration:underline;text-underline-offset:.2em}
.linkbtn:focus-visible{outline:2px solid var(--accent)}
.hp{position:absolute;left:-9999px;width:1px;height:1px;opacity:0}
.ferr{color:var(--accent-ink);font-weight:600;margin:0}
.form .btn{justify-self:start}
.fdone{padding:40px 0;outline:none}
@media (max-width:900px){
  .gt-l,.now-l,.now-r,.mk-l,.mk-r,.eco-k,.eco-body,.wr-l,.wr-r{grid-column:1/-1}
  .now-l,.mk-l,.eco-k,.wr-l{margin-bottom:28px}
  .cols{grid-template-columns:1fr}
}
@media (max-width:560px){.tgroup{grid-template-columns:1fr}.tgroup .gl{padding-top:0}.crow{grid-template-columns:1fr}}

body.no-dock .dock{display:none!important}
body.no-dock{padding-bottom:0}
