/* 宿雲 SUYUN — 寢具品牌官網樣式
   調色：暖米白底、炭灰文字、霧藍點綴。 */
:root {
  --bg: #f7f3ec;
  --bg-soft: #efe8dd;
  --card: #fffdf9;
  --ink: #2a2826;
  --ink-soft: #5c5751;
  --muted: #8b847b;
  --line: #e2d9cc;
  --accent: #6c879a;
  --accent-dark: #4f6b7e;
  --radius: 14px;
  --maxw: 1120px;
  --serif: "Noto Serif TC", "Songti TC", "PMingLiU", serif;
  --sans: "Noto Sans TC", "PingFang TC", "Microsoft JhengHei", system-ui, sans-serif;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; -webkit-text-size-adjust: 100%; }
body {
  margin: 0;
  background: var(--bg);
  color: var(--ink);
  font-family: var(--sans);
  font-size: 16px;
  line-height: 1.8;
  letter-spacing: 0.01em;
}
img { display: block; max-width: 100%; }
a { color: inherit; text-decoration: none; }
h1, h2, h3, h4 { font-family: var(--serif); font-weight: 600; line-height: 1.3; margin: 0 0 0.6em; letter-spacing: 0.02em; }
h1 { font-size: clamp(2rem, 5vw, 3.4rem); }
h2 { font-size: clamp(1.6rem, 3.4vw, 2.3rem); }
h3 { font-size: 1.25rem; }
p { margin: 0 0 1em; }
.wrap { width: min(var(--maxw), 100% - 32px); margin-inline: auto; }
.eyebrow { font-size: 0.8rem; letter-spacing: 0.25em; color: var(--accent-dark); text-transform: uppercase; margin-bottom: 0.8em; }
.lead { font-size: 1.1rem; color: var(--ink-soft); }
.muted { color: var(--muted); }
.btn {
  display: inline-block; padding: 0.75em 1.6em; border-radius: 999px;
  border: 1px solid var(--ink); font-size: 0.95rem; letter-spacing: 0.08em;
  transition: background .2s, color .2s;
}
.btn:hover { background: var(--ink); color: var(--bg); }
.btn.ghost { border-color: rgba(255,255,255,.7); color: #fff; }
.btn.ghost:hover { background: #fff; color: var(--ink); }

/* 導覽列 */
.nav {
  position: sticky; top: 0; z-index: 50;
  background: rgba(247,243,236,.92); backdrop-filter: blur(8px);
  border-bottom: 1px solid var(--line);
}
.nav .wrap { display: flex; align-items: center; justify-content: space-between; height: 64px; }
.brand { display: flex; align-items: baseline; gap: 10px; font-family: var(--serif); }
.brand .zh { font-size: 1.45rem; font-weight: 700; letter-spacing: 0.3em; }
.brand .en { font-size: 0.75rem; letter-spacing: 0.3em; color: var(--muted); }
.nav-links { display: flex; gap: 28px; font-size: 0.95rem; }
.nav-links a { padding: 6px 0; border-bottom: 1px solid transparent; }
.nav-links a:hover, .nav-links a.active { border-bottom-color: var(--ink); }
.nav-toggle { display: none; background: none; border: 0; padding: 8px; cursor: pointer; }
.nav-toggle span { display: block; width: 24px; height: 2px; background: var(--ink); margin: 5px 0; }
@media (max-width: 720px) {
  .nav-toggle { display: block; }
  .nav-links {
    display: none; position: absolute; left: 0; right: 0; top: 64px;
    flex-direction: column; gap: 0; background: var(--bg);
    border-bottom: 1px solid var(--line); padding: 8px 16px 16px;
  }
  .nav-links a { padding: 12px 0; border-bottom: 1px solid var(--line); }
  .nav.open .nav-links { display: flex; }
}

/* Hero */
.hero {
  position: relative; min-height: 78vh; display: grid; place-items: center;
  color: #fff; text-align: center; overflow: hidden;
}
.hero img { position: absolute; inset: 0; width: 100%; height: 100%; object-fit: cover; }
.hero::after {
  content: ""; position: absolute; inset: 0;
  background: linear-gradient(180deg, rgba(20,20,20,.25), rgba(20,20,20,.5));
}
.hero .wrap { position: relative; z-index: 1; padding: 96px 0; }
.hero h1 { color: #fff; text-shadow: 0 2px 20px rgba(0,0,0,.35); }
.hero p { font-size: 1.1rem; max-width: 36em; margin: 0 auto 2em; text-shadow: 0 1px 12px rgba(0,0,0,.4); }
.hero .eyebrow { color: rgba(255,255,255,.85); }

/* 區塊 */
section { padding: 88px 0; }
section.alt { background: var(--bg-soft); }
.section-head { max-width: 40em; margin-bottom: 48px; }

/* 品牌理念 */
.story { display: grid; gap: 40px; align-items: center; }
.story img { border-radius: var(--radius); aspect-ratio: 4/3; object-fit: cover; }
@media (min-width: 820px) { .story { grid-template-columns: 1.1fr 1fr; gap: 64px; } }

/* 特色三欄 */
.features { display: grid; gap: 24px; }
@media (min-width: 720px) { .features { grid-template-columns: repeat(3, 1fr); } }
.feature { padding: 28px; background: var(--card); border: 1px solid var(--line); border-radius: var(--radius); }
.feature .num { font-family: var(--serif); font-size: 2rem; color: var(--accent); line-height: 1; margin-bottom: 12px; }

/* 商品卡 */
.products { display: grid; gap: 28px; }
@media (min-width: 640px) { .products { grid-template-columns: repeat(2, 1fr); } }
@media (min-width: 1000px) { .products { grid-template-columns: repeat(4, 1fr); } }
.product { background: var(--card); border: 1px solid var(--line); border-radius: var(--radius); overflow: hidden; display: flex; flex-direction: column; }
.product img { aspect-ratio: 4/5; object-fit: cover; width: 100%; transition: transform .5s; }
.product:hover img { transform: scale(1.03); }
.product .body { padding: 20px 22px 24px; display: flex; flex-direction: column; flex: 1; }
.product .tag { font-size: 0.75rem; letter-spacing: 0.2em; color: var(--accent-dark); margin-bottom: 6px; }
.product h3 { margin-bottom: 0.4em; }
.product p { color: var(--ink-soft); font-size: 0.95rem; flex: 1; }
.product .more { font-size: 0.9rem; letter-spacing: 0.1em; border-bottom: 1px solid var(--ink); align-self: flex-start; }

/* 文章列表 */
.posts { display: grid; gap: 28px; }
@media (min-width: 720px) { .posts { grid-template-columns: repeat(2, 1fr); } }
.post { display: grid; grid-template-columns: 120px 1fr; gap: 18px; align-items: center; background: var(--card); border: 1px solid var(--line); border-radius: var(--radius); padding: 16px; }
.post img { width: 120px; height: 120px; object-fit: cover; border-radius: 10px; }
.post h3 { font-size: 1.1rem; margin-bottom: 0.3em; }
.post p { font-size: 0.9rem; color: var(--ink-soft); margin: 0; }
.post .meta { font-size: 0.78rem; color: var(--muted); letter-spacing: 0.1em; }

/* 關於 / 聯絡 */
.about-grid { display: grid; gap: 40px; }
@media (min-width: 820px) { .about-grid { grid-template-columns: 1fr 1fr; gap: 64px; } }
.contact-list { list-style: none; padding: 0; margin: 0; }
.contact-list li { padding: 14px 0; border-bottom: 1px solid var(--line); display: flex; gap: 16px; }
.contact-list li span:first-child { color: var(--muted); min-width: 5em; font-size: 0.9rem; }

/* 文章頁 */
.article-hero { padding: 72px 0 40px; }
.article-hero .wrap { max-width: 760px; }
.article-cover { width: min(var(--maxw), 100% - 32px); margin: 0 auto 48px; border-radius: var(--radius); aspect-ratio: 16/8; object-fit: cover; }
.article-body { max-width: 720px; margin-inline: auto; padding: 0 16px 80px; font-size: 1.05rem; }
.article-body h2 { font-size: 1.5rem; margin-top: 2.2em; }
.article-body h3 { font-size: 1.15rem; margin-top: 1.8em; }
.article-body ul, .article-body ol { padding-left: 1.4em; }
.article-body li { margin-bottom: 0.4em; }
.article-body blockquote { margin: 1.6em 0; padding: 1em 1.4em; border-left: 3px solid var(--accent); background: var(--bg-soft); border-radius: 0 10px 10px 0; color: var(--ink-soft); }
.spec { width: 100%; border-collapse: collapse; margin: 1.5em 0; font-size: 0.95rem; }
.spec th, .spec td { text-align: left; padding: 10px 12px; border-bottom: 1px solid var(--line); vertical-align: top; }
.spec th { color: var(--muted); font-weight: 500; width: 32%; }
.article-nav { display: flex; justify-content: space-between; gap: 16px; flex-wrap: wrap; margin-top: 48px; padding-top: 24px; border-top: 1px solid var(--line); font-size: 0.95rem; }
.article-nav a { border-bottom: 1px solid var(--ink); }

/* 頁尾 */
footer { background: var(--ink); color: #d9d2c7; padding: 56px 0 32px; font-size: 0.9rem; }
footer .cols { display: grid; gap: 32px; margin-bottom: 40px; }
@media (min-width: 720px) { footer .cols { grid-template-columns: 1.4fr 1fr 1fr; } }
footer .brand { color: #fff; }
footer .brand .en { color: #a9a196; }
footer a:hover { color: #fff; }
footer ul { list-style: none; padding: 0; margin: 0; }
footer li { margin-bottom: 8px; }
footer .fine { border-top: 1px solid rgba(255,255,255,.12); padding-top: 20px; font-size: 0.8rem; color: #a9a196; display: flex; justify-content: space-between; flex-wrap: wrap; gap: 8px; }
.photo-credit { font-size: 0.72rem; color: #8d867c; }

/* 僅在桌機顯示的換行 */
.desk-only { display: none; }
@media (min-width: 720px) { .desk-only { display: inline; } }