/* laowanghouse.com v3（2026-10-28 設計會議後）：米白、黑灰字、只用深藍點綴；照片直角；段落靠留白分隔 */
:root { --paper:#F4F2EE; --paper2:#EAE6DF; --ink:#1B1F24; --muted:#5E636B; --navy:#1F3A5F; --line:#E2DED7; --green:#06C755;
        --serif:"Noto Serif TC","PMingLiU",serif; --sans:"Noto Sans TC","PingFang TC","Microsoft JhengHei",system-ui,sans-serif; }
* { box-sizing:border-box; }
html { scroll-behavior:smooth; }
body { margin:0; background:var(--paper); color:var(--ink); font:16px/1.85 var(--sans); padding-bottom:calc(68px + env(safe-area-inset-bottom, 0px)); }
img, video { max-width:100%; display:block; }
figure { margin:0; }
a { color:inherit; }
.wrap { max-width:1120px; margin:0 auto; padding-inline:max(18px, env(safe-area-inset-left, 0px)) max(18px, env(safe-area-inset-right, 0px)); }
h1 { font-family:var(--serif); font-weight:700; margin:0; text-wrap:balance; letter-spacing:.02em; }
h2, h3 { font-family:var(--sans); font-weight:700; margin:0; text-wrap:balance; }
.kicker { font-size:13px; letter-spacing:.12em; color:var(--muted); margin:0 0 10px; }

/* 頁首 */
.nav { border-bottom:1px solid var(--line); background:var(--paper); position:sticky; top:env(safe-area-inset-top, 0px); z-index:20; }
.nav .wrap { display:flex; flex-wrap:wrap; align-items:center; justify-content:space-between; gap:6px 12px; padding-block:10px; }
.brand { text-decoration:none; font-weight:700; font-size:17px; letter-spacing:.04em; }
.menu { display:flex; gap:18px; font-size:14px; overflow-x:auto; }
.menu a { text-decoration:none; color:var(--muted); white-space:nowrap; }
.menu a[aria-current] { color:var(--ink); border-bottom:2px solid var(--navy); }
@media (max-width:899px) { .menu { width:100%; gap:16px; padding-bottom:2px; } }

/* 首屏：手機照片滿版在上，電腦左字右圖 */
.hero .wrap { display:grid; gap:20px; padding-block:0 40px; }
.hero h1 { font-size:30px; line-height:1.35; }
.hero .sub { font-size:17px; color:var(--muted); margin:14px 0 0; }
.hero .photo { aspect-ratio:5/4; margin-inline:-18px; }
.hero .photo img { object-position:50% 25%; }
.photo { position:relative; overflow:hidden; background:var(--paper2); }
.photo img, .photo video { width:100%; height:100%; object-fit:cover; }
figcaption { font-size:13px; color:var(--muted); margin-top:8px; }
.cta { display:flex; flex-wrap:wrap; gap:10px; margin-top:22px; }
.btn { display:inline-flex; align-items:center; justify-content:center; min-height:50px; padding:0 22px; border-radius:999px; text-decoration:none; font-weight:700; }
.btn-line { background:var(--green); color:#fff; }
.btn-tel { border:1.5px solid var(--ink); }
.hint { font-size:14px; color:var(--muted); margin:10px 0 0; }

/* 段落：靠留白分隔，不畫線 */
section.sec { padding-block:56px; }
.sec h2 { font-size:24px; line-height:1.4; margin-bottom:18px; }
.sec h1 { font-size:32px; margin-bottom:16px; }
.lead { font-size:17px; max-width:36em; }
.prose p { max-width:34em; margin:0 0 1em; }
.more { display:inline-block; margin-top:6px; font-weight:700; color:var(--navy); text-decoration:none; border-bottom:1px solid var(--navy); }
.alt { background:var(--paper2); }

/* 影片：直式 9:16，點了才載入 */
.videos { display:grid; grid-auto-flow:column; grid-auto-columns:64%; gap:12px; overflow-x:auto; scroll-snap-type:x mandatory; padding-bottom:6px; }
.video { scroll-snap-align:start; }
.video .photo { aspect-ratio:9/16; cursor:pointer; }
.video button { all:unset; display:block; width:100%; height:100%; cursor:pointer; }
.video .play { position:absolute; left:50%; top:50%; width:56px; height:56px; margin:-28px 0 0 -28px; border-radius:50%; background:rgba(0,0,0,.6); }
.video .play::after { content:""; position:absolute; left:22px; top:17px; border-style:solid; border-width:11px 0 11px 18px; border-color:transparent transparent transparent #fff; }
.video iframe { width:100%; height:100%; border:0; }
.video p { margin:8px 0 0; font-size:14px; line-height:1.5; }
.video .tag { font-size:12px; color:var(--muted); }

/* 承諾 */
.promises { list-style:none; margin:0; padding:0; counter-reset:p; }
.promises li { counter-increment:p; display:grid; grid-template-columns:36px 1fr; gap:8px; padding:16px 0; border-bottom:1px solid var(--line); }
.promises li::before { content:counter(p); font-weight:700; color:var(--navy); font-size:20px; }
.promises b { display:block; font-size:18px; }

/* 社區 */
.areas { display:grid; gap:28px; }
.area { text-decoration:none; display:block; }
.area .photo { aspect-ratio:4/5; }
.area h3 { font-size:21px; margin-top:12px; }
.area p { margin:4px 0 0; color:var(--muted); }

/* 並排段 */
.split { display:grid; gap:22px; }
.gallery { display:grid; grid-template-columns:1fr 1fr; gap:12px; }
.gallery .photo { aspect-ratio:3/4; }
.small { max-width:240px; }

/* FAQ */
details { border-bottom:1px solid var(--line); padding:14px 0; }
summary { cursor:pointer; font-weight:700; }
details p { margin:8px 0 0; color:var(--muted); }

/* 結尾名片 */
.card { border-top:1px solid var(--ink); border-bottom:1px solid var(--ink); padding:24px 0; display:grid; grid-template-columns:88px 1fr; gap:16px 18px; align-items:center; }
.card .photo { width:88px; height:88px; }
.card .name { font-weight:700; font-size:18px; margin:0; }
.card .tel { font:700 26px/1.2 var(--sans); font-variant-numeric:tabular-nums; letter-spacing:.04em; text-decoration:none; display:block; margin:4px 0 0; }
.card .meta { font-size:13px; color:var(--muted); margin:2px 0 0; }
.card .cta { grid-column:1 / -1; margin-top:4px; }

footer { padding-block:30px 26px; font-size:13px; color:var(--muted); }
footer .socials { display:flex; flex-wrap:wrap; gap:10px 16px; margin-bottom:14px; }
footer .socials a { text-decoration:none; }
details.privacy { border:0; padding:0; }
details.privacy summary { font-weight:400; text-decoration:underline; font-size:12px; }
details.privacy p { font-size:12px; line-height:1.8; }

/* 手機固定 LINE 列 */
.stickybar { position:fixed; left:0; right:0; bottom:0; display:grid; grid-template-columns:2fr 1fr; gap:8px; padding:8px max(12px, env(safe-area-inset-left, 0px)) calc(8px + env(safe-area-inset-bottom, 0px)) max(12px, env(safe-area-inset-right, 0px)); background:var(--paper); border-top:1px solid var(--line); z-index:30; }
.stickybar .btn { min-height:46px; }
a:focus-visible, summary:focus-visible, button:focus-visible { outline:3px solid var(--navy); outline-offset:2px; }

@media (min-width:900px) {
  body { padding-bottom:0; font-size:17px; }
  .stickybar { display:none; }
  .hero .wrap { grid-template-columns:6fr 5fr; align-items:center; gap:56px; padding-block:56px 72px; }
  .hero h1 { font-size:50px; }
  .hero figure { order:2; }
  .hero .photo { aspect-ratio:4/5; margin-inline:0; }
  section.sec { padding-block:96px; }
  .sec h2 { font-size:34px; }
  .sec h1 { font-size:44px; }
  .videos { grid-auto-flow:row; grid-template-columns:repeat(4,1fr); overflow:visible; }
  .areas { grid-template-columns:1fr 1fr; }
  .split { grid-template-columns:5fr 6fr; gap:56px; align-items:start; }
  .split.flip > :first-child { order:2; }
  .card { grid-template-columns:96px 1fr auto; }
  .card .photo { width:96px; height:96px; }
  .card .cta { grid-column:auto; margin:0; }
}
@media (prefers-reduced-motion:reduce) { html { scroll-behavior:auto; } video[autoplay] { display:none; } .reduced-poster { display:block !important; } }
.reduced-poster { display:none; }