/* ===========================================================================
   陸居智能窗簾 Mainland Home — 全站樣式
   主題色取自品牌 logo：金駝 #D1AF84 / 淺米金 #F9E2C6 / 中性灰 #898989
   斷點：--nav-bp（導覽，實測決定）/ 1020 / 720
   =========================================================================== */

:root{
  /* 品牌 */
  --brand:#C9A26B;          /* 主色：按鈕底、裝飾線 */
  --brand-deep:#A67C45;     /* 文字用金（白底對比 4.6:1，過 AA） */
  --brand-soft:#D1AF84;     /* logo 原色，裝飾用 */
  --brand-pale:#F9E2C6;     /* logo 淺米金 */
  --brand-wash:#FCF8F2;     /* 極淺底色 */

  /* 中性 */
  --ink:#26221E;
  --ink-2:#3A3531;
  --muted:#5C554E;
  --body:#4A443E;
  --line:#EDE9E3;
  --line-2:#DFD9D0;
  --border:#C9C1B6;
  --rule:#C9A26B;
  --bg:#ffffff;
  --bg-soft:#F8F7F5;
  --bg-beige:#F4EFE7;
  --dark:#26221E;
  --light:#FBFAF8;

  /* 狀態色（表格／圖表用） */
  --good:#4E7A5B;
  --warn:#B4832F;
  --bad:#A4483C;

  --font-serif:"Noto Serif TC", "Songti TC", serif;
  --font-sans:"Noto Sans TC","PingFang TC","Microsoft JhengHei",system-ui,sans-serif;
  --max:1440px;
  --wrap:1200px;
  --gutter:48px;
  --header-h:84px;
}

*,*::before,*::after{box-sizing:border-box}
html{scroll-behavior:smooth;scroll-padding-top:calc(var(--header-h) + 16px)}
body{
  margin:0;background:var(--bg);color:var(--ink);
  font-family:var(--font-sans);font-size:16px;line-height:1.9;
  -webkit-font-smoothing:antialiased;overflow-x:hidden;
}
img{display:block;max-width:100%}
a{color:var(--ink);text-decoration:none}
a:hover{color:var(--brand-deep)}
h1,h2,h3,h4,h5,p,figure,ul,ol{margin:0}
ul,ol{padding:0;list-style:none}
::selection{background:var(--brand-pale)}
:focus-visible{outline:2px solid var(--brand-deep);outline-offset:3px}

.wrap{max-width:var(--wrap);margin:0 auto;padding:0 var(--gutter)}
.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}

/* ---------- Header ---------- */
.header{position:fixed;top:0;left:0;right:0;z-index:60;background:rgba(255,255,255,.97);
  backdrop-filter:blur(8px);border-bottom:1px solid var(--line)}
.header__bar{max-width:var(--max);margin:0 auto;padding:0 var(--gutter);height:var(--header-h);
  display:flex;align-items:center;justify-content:space-between;gap:28px}
.logo{display:flex;align-items:center;flex:none}
.logo img{height:44px;width:auto}
.nav{display:flex;align-items:center;gap:26px;white-space:nowrap;font-size:14px;
  letter-spacing:.05em;color:var(--ink-2)}
.nav>li{position:relative}
.nav>li>a{display:inline-flex;align-items:center;gap:4px;padding:8px 0;
  border-bottom:1px solid transparent}
.nav>li>a:hover,.nav>li>a[aria-current="page"]{border-bottom-color:var(--brand)}
.nav__caret{display:inline-block;width:7px;height:7px;border-right:1px solid currentColor;
  border-bottom:1px solid currentColor;transform:rotate(45deg) translate(-2px,-2px);flex:none}
.nav__sub{position:absolute;top:100%;left:50%;transform:translateX(-50%) translateY(6px);
  min-width:184px;background:#fff;border:1px solid var(--line);
  box-shadow:0 14px 34px rgba(38,34,30,.10);padding:8px 0;
  opacity:0;visibility:hidden;transition:opacity .22s ease,transform .22s ease;z-index:5}
.nav>li:hover .nav__sub,.nav>li:focus-within .nav__sub{
  opacity:1;visibility:visible;transform:translateX(-50%) translateY(0)}
.nav__sub a{display:block;padding:9px 22px;font-size:14px;color:var(--ink-2)}
.nav__sub a:hover{background:var(--brand-wash);color:var(--brand-deep)}

.btn{display:inline-flex;align-items:center;justify-content:center;gap:10px;height:48px;
  padding:0 26px;border:1px solid var(--border);border-radius:999px;font-size:14px;
  letter-spacing:.1em;color:var(--ink-2);transition:background .3s,color .3s,border-color .3s;
  cursor:pointer;background:none;font-family:inherit}
.btn:hover{background:var(--brand);border-color:var(--brand);color:#fff}
.btn--sm{height:42px;padding:0 20px;letter-spacing:.06em}
.btn--solid{background:var(--brand);border-color:var(--brand);color:#fff}
.btn--solid:hover{background:var(--brand-deep);border-color:var(--brand-deep)}
.btn--ghost{border-radius:0;border-color:rgba(255,255,255,.55);background:rgba(255,255,255,.10);
  color:var(--light);height:50px}
.btn--ghost:hover{background:var(--light);color:var(--ink);border-color:var(--light)}
.btn--light{border-color:rgba(255,255,255,.6);color:var(--light);height:46px}
.btn--light:hover{background:var(--light);color:var(--ink);border-color:var(--light)}
.btn__arrow{font-size:12px;line-height:1}

.burger{display:none;flex:none;width:44px;height:44px;flex-direction:column;align-items:center;
  justify-content:center;gap:6px;background:none;border:0;cursor:pointer;padding:0}
.burger span{display:block;width:22px;height:1px;background:var(--ink-2);
  transition:transform .28s ease,opacity .2s ease}
.burger[aria-expanded="true"] span:nth-child(1){transform:translateY(7px) rotate(45deg)}
.burger[aria-expanded="true"] span:nth-child(2){opacity:0}
.burger[aria-expanded="true"] span:nth-child(3){transform:translateY(-7px) rotate(-45deg)}

/* 手機選單 */
.mobile-menu{display:none;border-top:1px solid var(--line);background:#fff;
  padding:8px 24px 24px;max-height:calc(100vh - var(--header-h));overflow-y:auto}
.mobile-menu.is-open{display:block}
.mobile-menu a{display:block;padding:13px 0;font-size:15px;letter-spacing:.05em;
  border-bottom:1px solid #F2EFEA}
.mobile-menu__group>button{display:flex;width:100%;align-items:center;justify-content:space-between;
  padding:13px 0;font-size:15px;letter-spacing:.05em;background:none;border:0;
  border-bottom:1px solid #F2EFEA;color:var(--ink);font-family:inherit;cursor:pointer;text-align:left}
.mobile-menu__group>button .nav__caret{transition:transform .25s ease}
.mobile-menu__group>button[aria-expanded="true"] .nav__caret{
  transform:rotate(-135deg) translate(-3px,-3px)}
.mobile-menu__panel{display:none;padding-left:16px}
.mobile-menu__panel.is-open{display:block}
.mobile-menu__panel a{font-size:14px;color:var(--muted)}
.mobile-menu__cta{margin-top:16px;display:grid;gap:10px}
.mobile-menu__cta a{border:1px solid var(--brand);border-radius:999px;color:var(--brand-deep);
  text-align:center;height:46px;line-height:46px;padding:0}
.mobile-menu__cta a.is-solid{background:var(--brand);border-color:var(--brand);color:#fff}

/* ---------- 右側浮動聯絡鈕 ---------- */
.floatbar{position:fixed;right:18px;top:50%;transform:translateY(-50%);z-index:70;
  display:flex;flex-direction:column;gap:10px}
.floatbar a{display:flex;flex-direction:column;align-items:center;justify-content:center;gap:3px;
  width:62px;height:62px;border-radius:50%;color:#fff;font-size:11px;letter-spacing:.02em;
  line-height:1.2;box-shadow:0 6px 18px rgba(38,34,30,.22);transition:transform .25s ease}
.floatbar a:hover{transform:translateY(-3px);color:#fff}
.floatbar a svg{width:22px;height:22px;display:block}
.floatbar__line{background:#06C755}
.floatbar__tel{background:var(--brand-deep)}
.floatbar__top{background:var(--ink-2);width:44px;height:44px;align-self:center;font-size:10px}

/* ---------- Hero ---------- */
.hero{position:relative;height:calc(100vh - var(--header-h));min-height:520px;max-height:780px;
  margin-top:var(--header-h);overflow:hidden;background:#2A2723}
.hero__slide{position:absolute;inset:0;opacity:0;transition:opacity 1.2s ease}
.hero__slide.is-active{opacity:1}
.hero__slide img{position:absolute;inset:0;width:100%;height:100%;object-fit:cover}
.hero__scrim{position:absolute;inset:0;pointer-events:none;
  background:linear-gradient(100deg,rgba(20,17,14,.66) 0%,rgba(20,17,14,.38) 44%,rgba(20,17,14,.08) 74%)}
.hero__inner{position:absolute;inset:0;display:flex;align-items:center;pointer-events:none}
.hero__content{max-width:var(--max);width:100%;margin:0 auto;padding:0 var(--gutter)}
.hero__eyebrow{font-size:12px;letter-spacing:.34em;color:var(--brand-pale);margin-bottom:20px}
.hero__title{font-family:var(--font-serif);font-weight:400;font-size:clamp(30px,4.4vw,58px);
  line-height:1.42;letter-spacing:.08em;color:var(--light);text-shadow:0 2px 24px rgba(0,0,0,.3)}
.hero__lead{margin-top:24px;font-size:clamp(14px,1.3vw,17px);line-height:2.1;letter-spacing:.1em;
  font-weight:300;color:rgba(251,250,248,.92);max-width:34em}
.hero__cta{margin-top:38px;display:flex;gap:14px;flex-wrap:wrap;pointer-events:auto}
.hero__count{position:absolute;right:var(--gutter);top:50%;transform:translateY(-50%);
  display:flex;flex-direction:column;align-items:center;gap:14px;color:rgba(251,250,248,.85);
  font-size:13px;letter-spacing:.16em;font-family:var(--font-serif)}
.hero__count i{display:block;width:1px;height:46px;background:rgba(251,250,248,.45)}
.hero__count .total{opacity:.65}
.hero__dots{position:absolute;left:50%;transform:translateX(-50%);bottom:28px;display:flex;gap:10px}
.hero__dots button{width:9px;height:9px;padding:0;border:1px solid rgba(255,255,255,.85);
  border-radius:50%;background:transparent;cursor:pointer}
.hero__dots button.is-active{background:var(--brand-pale);border-color:var(--brand-pale)}

/* 內頁頁首 */
.pagehead{position:relative;margin-top:var(--header-h);min-height:280px;display:flex;
  align-items:center;background:var(--bg-beige);overflow:hidden}
.pagehead>img{position:absolute;inset:0;width:100%;height:100%;object-fit:cover}
.pagehead::after{content:"";position:absolute;inset:0;background:rgba(30,26,22,.52)}
.pagehead__inner{position:relative;z-index:2;max-width:var(--wrap);width:100%;margin:0 auto;
  padding:56px var(--gutter)}
.pagehead h1{font-family:var(--font-serif);font-weight:500;font-size:clamp(24px,3.2vw,38px);
  letter-spacing:.14em;color:var(--light)}
.pagehead__lead{margin-top:14px;font-size:15px;line-height:2;letter-spacing:.06em;
  color:rgba(251,250,248,.9);font-weight:300;max-width:44em}
.crumb{position:relative;z-index:2;font-size:12.5px;letter-spacing:.06em;
  color:rgba(251,250,248,.78);margin-bottom:14px;display:flex;flex-wrap:wrap;gap:6px}
.crumb a{color:rgba(251,250,248,.78)}
.crumb a:hover{color:#fff}
.crumb span[aria-current]{color:var(--brand-pale)}

/* ---------- Sections ---------- */
.section{padding:106px var(--gutter)}
.section--soft{background:var(--bg-soft)}
.section--beige{background:var(--bg-beige)}
.section--dark{background:var(--dark);color:rgba(251,250,248,.82)}
.section__inner{max-width:var(--wrap);margin:0 auto}
.section__eyebrow{text-align:center;font-family:var(--font-serif);font-size:12px;
  letter-spacing:.32em;color:var(--brand-deep);text-transform:uppercase;margin-bottom:12px}
.section__title{text-align:center;font-family:var(--font-serif);font-weight:500;
  font-size:clamp(22px,2.6vw,32px);letter-spacing:.2em;padding-left:.2em;line-height:1.6}
.section__rule{display:block;width:48px;height:1px;background:var(--rule);margin:24px auto 56px}
.section__lead{text-align:center;max-width:46em;margin:-28px auto 56px;font-size:15.5px;
  line-height:2.1;letter-spacing:.05em;color:var(--muted);font-weight:300;text-wrap:pretty}

/* grid 工具類別 — 欄數一律用類別，不寫 inline style */
.g2,.g3,.g4,.g5{display:grid;gap:28px}
.g2{grid-template-columns:repeat(2,minmax(0,1fr))}
.g3{grid-template-columns:repeat(3,minmax(0,1fr))}
.g4{grid-template-columns:repeat(4,minmax(0,1fr))}
.g5{grid-template-columns:repeat(5,minmax(0,1fr))}

/* ---------- 內容區塊元件 ---------- */
.split{display:grid;grid-template-columns:minmax(0,1.15fr) minmax(0,.85fr);gap:72px;
  align-items:center;max-width:var(--wrap);margin:0 auto}
.split--flip .split__media{order:-1}
.split__text .section__title{text-align:left;padding-left:0}
.split__text .section__eyebrow{text-align:left}
.split__text .section__rule{margin:22px 0 30px}
.split__body{font-size:16px;line-height:2.2;letter-spacing:.05em;font-weight:300;
  color:var(--body);text-wrap:pretty}
.split__body p+p{margin-top:1.1em}
.split__media{position:relative;min-width:0;aspect-ratio:4/5;overflow:hidden;
  background:var(--bg-beige)}
.split__media img{position:absolute;inset:0;width:100%;height:100%;object-fit:cover}
.split__media--arch{border-radius:200px 200px 0 0}

.ticks{margin-top:26px;display:grid;gap:12px}
.ticks li{position:relative;padding-left:28px;font-size:15px;line-height:1.9;color:var(--body);
  letter-spacing:.04em}
.ticks li::before{content:"";position:absolute;left:2px;top:.72em;width:12px;height:6px;
  border-left:1.5px solid var(--brand);border-bottom:1.5px solid var(--brand);
  transform:rotate(-45deg)}

.service{padding:0 32px;text-align:center;border-right:1px solid var(--line-2)}
.service:last-child{border-right:0}
.service__icon{width:44px;height:44px;margin:0 auto 22px;display:block}
.service h3{margin-bottom:14px;font-family:var(--font-serif);font-size:18px;font-weight:500;
  letter-spacing:.12em}
.service p{font-size:14px;line-height:2.05;letter-spacing:.03em;font-weight:300;color:var(--muted)}
.service a{display:inline-block;margin-top:18px;font-size:13px;letter-spacing:.1em;
  color:var(--brand-deep)}

.card{position:relative;display:block;background:#fff;border:1px solid var(--line);
  overflow:hidden;transition:box-shadow .35s ease,transform .35s ease}
.card:hover{box-shadow:0 16px 38px rgba(38,34,30,.10);transform:translateY(-3px)}
.card__media{position:relative;aspect-ratio:600/430;overflow:hidden;background:var(--bg-beige)}
.card__media img{position:absolute;inset:0;width:100%;height:100%;object-fit:cover;
  transition:transform .8s ease}
.card:hover .card__media img{transform:scale(1.05)}
.card__body{padding:22px 24px 26px}
.card__tag{font-size:11.5px;letter-spacing:.16em;color:var(--brand-deep);
  text-transform:uppercase;display:block;margin-bottom:10px}
.card__title{font-family:var(--font-serif);font-size:16.5px;font-weight:500;line-height:1.75;
  letter-spacing:.05em;color:var(--ink)}
.card__meta{margin-top:12px;font-size:12.5px;letter-spacing:.05em;color:#8A837B}
.card__excerpt{margin-top:10px;font-size:14px;line-height:1.95;color:var(--muted);font-weight:300}

.tile{position:relative;display:block;aspect-ratio:1/.78;overflow:hidden;background:var(--bg-beige)}
.tile img{position:absolute;inset:0;width:100%;height:100%;object-fit:cover;
  transition:transform .8s ease}
.tile:hover img{transform:scale(1.05)}
.tile span{position:absolute;left:0;right:0;bottom:0;pointer-events:none;padding:56px 22px 18px;
  background:linear-gradient(to top,rgba(20,17,14,.74),rgba(20,17,14,0));color:var(--light);
  font-size:14px;letter-spacing:.1em}

.stats{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:24px;text-align:center}
.stat__num{font-family:var(--font-serif);font-size:clamp(30px,3.6vw,44px);color:var(--brand-deep);
  line-height:1.2;letter-spacing:.04em}
.stat__label{margin-top:8px;font-size:12.5px;letter-spacing:.14em;color:var(--muted);
  text-transform:uppercase}

.mosaic{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:12px}
.mosaic__cell{position:relative;aspect-ratio:345/351;overflow:hidden;background:var(--bg-beige)}
.mosaic__cell img{position:absolute;inset:0;width:100%;height:100%;object-fit:cover;
  transition:transform .8s ease}
.mosaic__cell:hover img{transform:scale(1.06)}
.tile__cap{position:absolute;left:0;right:0;bottom:0;pointer-events:none;padding:48px 18px 14px;
  background:linear-gradient(to top,rgba(20,17,14,.76),rgba(20,17,14,0));color:var(--light);
  font-size:13.5px;letter-spacing:.12em}

.washstep{text-align:center}
.washstep__media{position:relative;aspect-ratio:1/1;overflow:hidden;border-radius:50%;
  background:var(--bg-beige);margin:0 auto 18px;max-width:220px;width:100%}
.washstep__media img{position:absolute;inset:0;width:100%;height:100%;object-fit:cover}
.washstep h3{font-family:var(--font-serif);font-size:16px;font-weight:500;letter-spacing:.1em}
.washstep p{margin-top:8px;font-size:13.5px;line-height:1.95;color:var(--muted);font-weight:300}

/* CTA 橫幅 */
.ctaband{position:relative;overflow:hidden;background:#3A3229}
.ctaband>img{position:absolute;inset:0;width:100%;height:100%;object-fit:cover}
.ctaband__overlay{position:relative;z-index:2;background:rgba(42,35,28,.72);
  padding:76px var(--gutter);text-align:center}
.ctaband__title{font-family:var(--font-serif);font-weight:500;font-size:clamp(20px,2.6vw,32px);
  letter-spacing:.16em;color:var(--light);padding-left:.16em;line-height:1.7}
.ctaband__lead{margin:18px auto 0;max-width:44em;font-size:15px;line-height:2;letter-spacing:.06em;
  font-weight:300;color:rgba(251,250,248,.86)}
.ctaband__row{margin-top:30px;display:flex;align-items:center;gap:18px;flex-wrap:wrap;
  justify-content:center}
.ctaband__tel{font-family:var(--font-serif);font-size:26px;letter-spacing:.1em;color:var(--brand-pale)}

/* ---------- 文章內文（改寫後的窗簾知識） ---------- */
.article{max-width:820px;margin:0 auto;padding:72px var(--gutter) 96px}
.article__meta{display:flex;flex-wrap:wrap;gap:8px 20px;font-size:13px;letter-spacing:.05em;
  color:#8A837B;padding-bottom:22px;border-bottom:1px solid var(--line);margin-bottom:40px}
.prose{font-size:17px;line-height:1.95;color:var(--body);letter-spacing:.02em}
.prose>*+*{margin-top:1.25em}
.prose h2{font-family:var(--font-serif);font-size:24px;font-weight:500;letter-spacing:.06em;
  color:var(--ink);margin-top:2.4em;padding-bottom:14px;border-bottom:1px solid var(--line);
  line-height:1.6}
.prose h3{font-family:var(--font-serif);font-size:19px;font-weight:500;letter-spacing:.05em;
  color:var(--ink-2);margin-top:1.9em;line-height:1.7}
.prose h4{font-size:16.5px;font-weight:500;color:var(--ink-2);margin-top:1.6em}
.prose p{text-wrap:pretty}
.prose strong{font-weight:500;color:var(--ink)}
.prose a{color:var(--brand-deep);border-bottom:1px solid var(--brand-pale)}
.prose a:hover{border-bottom-color:var(--brand-deep)}
.prose ul,.prose ol{padding-left:1.4em;display:grid;gap:.5em}
.prose ul li{list-style:disc}
.prose ol li{list-style:decimal}
.prose li::marker{color:var(--brand)}
.prose figure{margin:2em 0}
.prose figure img{width:100%;height:auto}
.prose figcaption{margin-top:10px;font-size:13px;color:#8A837B;text-align:center;line-height:1.8}
.prose blockquote{margin:1.8em 0;padding:20px 26px;background:var(--brand-wash);
  border-left:3px solid var(--brand);font-size:16px;line-height:1.95;color:var(--ink-2)}

/* 重點框 */
.keybox{background:var(--brand-wash);border:1px solid var(--brand-pale);padding:24px 28px;
  margin:2em 0}
.keybox__title{font-family:var(--font-serif);font-size:16px;font-weight:500;letter-spacing:.08em;
  color:var(--brand-deep);margin-bottom:12px;display:flex;align-items:center;gap:8px}
.keybox__title::before{content:"";width:16px;height:1px;background:var(--brand);flex:none}
.keybox p,.keybox li{font-size:15px;line-height:1.95;color:var(--body)}

/* 表格 — 一律包在 .tablewrap 內橫向捲動 */
.tablewrap{overflow-x:auto;margin:2em 0;border:1px solid var(--line);
  -webkit-overflow-scrolling:touch}
.tablewrap table{width:100%;min-width:560px;border-collapse:collapse;font-size:14.5px;
  line-height:1.75}
.tablewrap caption{caption-side:top;text-align:left;padding:14px 18px;font-size:13.5px;
  letter-spacing:.05em;color:var(--muted);background:var(--bg-soft);
  border-bottom:1px solid var(--line)}
.tablewrap th,.tablewrap td{padding:13px 16px;text-align:left;vertical-align:top;
  border-bottom:1px solid var(--line)}
.tablewrap thead th{background:var(--brand-wash);font-weight:500;color:var(--ink);
  letter-spacing:.05em;white-space:nowrap;border-bottom:1px solid var(--brand-pale)}
.tablewrap tbody tr:last-child td{border-bottom:0}
.tablewrap tbody tr:nth-child(even){background:#FCFBF9}
.tablewrap td:first-child{font-weight:500;color:var(--ink-2);white-space:nowrap}
.t-good{color:var(--good);font-weight:500}
.t-warn{color:var(--warn);font-weight:500}
.t-bad{color:var(--bad);font-weight:500}

/* SVG 圖表容器 */
.figchart{margin:2.4em 0;border:1px solid var(--line);background:#fff;padding:26px 24px 20px}
.figchart__title{font-family:var(--font-serif);font-size:16px;font-weight:500;letter-spacing:.06em;
  color:var(--ink);margin-bottom:4px}
.figchart__sub{font-size:13px;color:#8A837B;margin-bottom:20px;line-height:1.7}
/* 圖表在窄螢幕不縮小、改為橫向捲動，否則字級會被壓到看不清 */
.figchart__body{overflow-x:auto;-webkit-overflow-scrolling:touch}
.figchart svg{display:block;width:100%;min-width:680px;height:auto}
.figchart__scrollhint{display:none;margin-top:10px;font-size:12px;color:#8A837B}
@media (max-width:760px){.figchart__scrollhint{display:block}}
.figchart__note{margin-top:14px;font-size:12.5px;color:#8A837B;line-height:1.75}
.chart-label{font-family:var(--font-sans);font-size:12px;fill:var(--muted)}
.chart-value{font-family:var(--font-sans);font-size:12px;fill:var(--ink-2);font-weight:500}
.chart-axis{stroke:var(--line-2);stroke-width:1}
.chart-grid{stroke:var(--line);stroke-width:1;stroke-dasharray:3 3}

/* 目錄 */
.toc{background:var(--bg-soft);border:1px solid var(--line);padding:22px 26px;margin:0 0 2.4em}
.toc__title{font-family:var(--font-serif);font-size:15px;font-weight:500;letter-spacing:.1em;
  color:var(--ink);margin-bottom:12px}
.toc ol{display:grid;gap:8px;counter-reset:toc;padding-left:0}
/* 目錄自己用 counter 編號，必須蓋掉 .prose ol li 的 decimal，否則會雙重編號 */
.toc ol li{list-style:none}
.toc li{counter-increment:toc;font-size:14.5px;line-height:1.7;padding-left:26px;position:relative}
.toc li::before{content:counter(toc,decimal-leading-zero);position:absolute;left:0;
  font-family:var(--font-serif);font-size:12px;color:var(--brand);top:.2em}
.toc a{color:var(--body)}
.toc a:hover{color:var(--brand-deep)}

/* FAQ */
.faq{display:grid;gap:0;border-top:1px solid var(--line)}
.faq details{border-bottom:1px solid var(--line)}
.faq summary{list-style:none;cursor:pointer;padding:20px 40px 20px 0;position:relative;
  font-size:16px;font-weight:500;color:var(--ink-2);line-height:1.75}
.faq summary::-webkit-details-marker{display:none}
.faq summary::after{content:"";position:absolute;right:8px;top:28px;width:9px;height:9px;
  border-right:1.5px solid var(--brand);border-bottom:1.5px solid var(--brand);
  transform:rotate(45deg);transition:transform .25s ease}
.faq details[open] summary::after{transform:rotate(-135deg);top:31px}
.faq details>div{padding:0 0 22px;font-size:15px;line-height:1.95;color:var(--body)}
.faq details>div>*+*{margin-top:.9em}

/* 相關文章 */
.related{border-top:1px solid var(--line);margin-top:64px;padding-top:40px}
.related__title{font-family:var(--font-serif);font-size:17px;font-weight:500;letter-spacing:.1em;
  margin-bottom:24px}

/* ---------- 表單 ---------- */
.formcard{background:#fff;border:1px solid var(--line);padding:36px 38px}
.field{display:grid;gap:8px;margin-bottom:20px}
.field label{font-size:14px;letter-spacing:.05em;color:var(--ink-2)}
.field label .req{color:var(--bad);margin-left:4px}
.field input,.field select,.field textarea{width:100%;padding:12px 14px;border:1px solid var(--border);
  border-radius:2px;font-family:inherit;font-size:15px;color:var(--ink);background:#fff;
  transition:border-color .25s}
.field input:focus,.field select:focus,.field textarea:focus{border-color:var(--brand);outline:none}
.field textarea{min-height:140px;resize:vertical;line-height:1.8}
.field__hint{font-size:12.5px;color:#8A837B}
.formnote{margin-top:16px;font-size:13px;line-height:1.9;color:#8A837B}
.form-embed{margin:0}
.form-embed iframe{width:100%;border:0;display:block;min-height:900px}

/* 聯絡資訊列 */
.infolist{display:grid;gap:18px}
.infolist li{display:grid;grid-template-columns:22px minmax(0,1fr);gap:14px;
  font-size:15px;line-height:1.9;color:var(--body)}
.infolist svg{width:20px;height:20px;margin-top:4px;stroke:var(--brand-deep);fill:none;
  stroke-width:1.4}
.infolist b{display:block;font-weight:500;font-size:13px;letter-spacing:.1em;color:var(--muted);
  margin-bottom:2px}

/* ---------- Footer ---------- */
.footer{background:var(--dark);color:rgba(251,250,248,.76);padding:72px var(--gutter) 32px}
.footer__grid{max-width:var(--wrap);margin:0 auto;display:grid;
  grid-template-columns:minmax(0,1.3fr) minmax(0,1fr) minmax(0,1.1fr);gap:56px;align-items:start}
.footer__brand img{height:42px;width:auto}
.footer__about{margin-top:22px;font-size:14px;line-height:2.05;letter-spacing:.05em;
  font-weight:300;max-width:34em}
.footer h2{font-family:var(--font-serif);font-size:15px;font-weight:500;letter-spacing:.14em;
  color:var(--light);margin-bottom:20px}
.footer__nav{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:12px 24px;
  font-size:14px;letter-spacing:.04em}
.footer a{color:rgba(251,250,248,.76)}
.footer a:hover{color:var(--brand-pale)}
.footer__contact{display:grid;gap:14px;font-size:14px;line-height:1.9}
.footer__contact b{display:block;font-size:12px;letter-spacing:.14em;color:rgba(251,250,248,.5);
  margin-bottom:2px;font-weight:400}
.footer__bottom{max-width:var(--wrap);margin:52px auto 0;padding-top:22px;
  border-top:1px solid rgba(251,250,248,.14);display:flex;justify-content:space-between;gap:20px;
  flex-wrap:wrap;font-size:12px;letter-spacing:.06em;color:rgba(251,250,248,.5)}

/* ---------- 響應式 ----------
   導覽斷點由實測決定（python _build/audit.py）：
   導覽自然寬 = logo 213 + nav 763 + CTA 131 + gap 28×2 + padding 96 = 1259px。
   因此 1300px 起就先縮 gap/font（縮完為 1151px），1180px 以下才切漢堡，
   避免 1241–1258px 這段「規則還沒生效、但已經放不下」的破版區間。 */
@media (max-width:1300px){
  :root{--gutter:32px}
  .nav{gap:18px;font-size:13.5px}
  .split{gap:48px}
}
@media (max-width:1180px){
  .nav,.header .btn{display:none}
  .burger{display:flex}
  :root{--gutter:24px}
  .hero__count{display:none}
  .section{padding:80px var(--gutter)}
  .split{grid-template-columns:minmax(0,1fr);gap:44px}
  .split--flip .split__media{order:0}
  .split__media{aspect-ratio:4/3;max-width:520px;margin:0 auto;width:100%}
  .split__text .section__title,.split__text .section__eyebrow{text-align:center}
  .split__text .section__rule{margin:22px auto 30px}
  .g4{grid-template-columns:repeat(2,minmax(0,1fr));row-gap:44px}
  .g3{grid-template-columns:repeat(2,minmax(0,1fr))}
  .g5{grid-template-columns:repeat(3,minmax(0,1fr));row-gap:36px}
  .service{border-right:0;padding:0 12px}
  .footer__grid{grid-template-columns:minmax(0,1fr) minmax(0,1fr);gap:40px}
  .footer__brand{grid-column:1 / -1}
  .article{padding:56px var(--gutter) 72px}
}
@media (max-width:720px){
  body{font-size:15.5px}
  .header__bar{height:68px}
  :root{--header-h:68px}
  .logo img{height:36px}
  .hero{min-height:460px;max-height:none;height:calc(100svh - var(--header-h))}
  .hero__dots{bottom:20px}
  .section{padding:60px var(--gutter)}
  .section__rule{margin:20px auto 40px}
  .section__lead{margin:-20px auto 40px;font-size:14.5px}
  .g2,.g3,.g4{grid-template-columns:minmax(0,1fr);row-gap:32px}
  .g5{grid-template-columns:repeat(2,minmax(0,1fr))}
  .stats{grid-template-columns:repeat(2,minmax(0,1fr));gap:32px 16px}
  .mosaic{grid-template-columns:repeat(2,minmax(0,1fr));gap:8px}
  .ctaband__overlay{padding:56px var(--gutter)}
  .footer{padding:56px var(--gutter) 28px}
  .footer__grid{grid-template-columns:minmax(0,1fr);gap:36px}
  .footer__bottom{flex-direction:column;gap:8px;margin-top:36px}
  .article{padding:40px var(--gutter) 60px}
  .prose{font-size:16px}
  .prose h2{font-size:21px}
  .prose h3{font-size:18px}
  .formcard{padding:26px 20px}
  .floatbar{top:auto;bottom:16px;transform:none;right:14px;gap:8px}
  .floatbar a{width:52px;height:52px;font-size:10px}
  .floatbar a svg{width:19px;height:19px}
  .floatbar__top{width:38px;height:38px}
}
@media (max-width:400px){
  .g5{grid-template-columns:minmax(0,1fr)}
  .stats{grid-template-columns:minmax(0,1fr)}
}

@media (prefers-reduced-motion:reduce){
  html{scroll-behavior:auto}
  *,*::before,*::after{animation-duration:.01ms !important;transition-duration:.01ms !important}
}

@media print{
  .header,.floatbar,.footer,.hero,.ctaband{display:none}
  .article{padding:0;max-width:none}
}