/* 终南木作 v4.1 — 非然美学版（2026-07-05）*/
/* 参考 FaranCasa 非然美学：自然共生 · 松弛入怀 · 温润简质 */

:root {
  --wood: #7A5C35;
  --wood-dark: #5A4020;
  --wood-light: #A07848;
  --bg: #FFFFFF;
  --bg-warm: #F9F7F5;
  --bg-warm2: #F3EFE9;
  --text: #2C2C2C;
  --text-light: #7A6A58;
  --text-muted: #A09888;
  --border: #E4DDD6;
  --border-light: #EEE9E3;
  --shadow-sm: 0 2px 8px rgba(90,64,32,0.06);
  --shadow-md: 0 6px 24px rgba(90,64,32,0.10);
  --shadow-lg: 0 12px 40px rgba(90,64,32,0.14);
  --font-serif: "Noto Serif SC","Source Han Serif CN",STSong,"SimSun",serif;
  --font-sans: "Noto Sans SC",-apple-system,"PingFang SC","Microsoft YaHei",sans-serif;
  --max-width: 1080px;
  --max-width-narrow: 720px;
  --radius: 6px;
  --radius-lg: 12px;
  --transition: all 0.25s ease;
}

* { margin:0; padding:0; box-sizing:border-box; }
html { -webkit-font-smoothing:antialiased; scroll-behavior:smooth; }
body { font-family:var(--font-sans); color:var(--text); background:var(--bg); line-height:1.8; font-size:15px; }
::selection { background:var(--wood); color:#fff; }
img { max-width:100%; height:auto; display:block; }
a { color:inherit; text-decoration:none; }
a:focus-visible, button:focus-visible { outline:2px solid var(--wood); outline-offset:3px; border-radius:2px; }

/* ======== Layout ======== */
.container { max-width:var(--max-width); margin:0 auto; padding:0 40px; }
.container-narrow { max-width:var(--max-width-narrow); margin:0 auto; padding:0 40px; }

/* ======== Header ======== */
header {
  padding:22px 0;
  border-bottom:1px solid var(--border-light);
  position:sticky; top:0; background:rgba(255,255,255,0.96);
  backdrop-filter:blur(12px); -webkit-backdrop-filter:blur(12px);
  z-index:100;
}
header .container { display:flex; justify-content:space-between; align-items:center; }
.logo { font-family:var(--font-serif); font-size:22px; font-weight:600; color:var(--text); text-decoration:none; letter-spacing:5px; transition:opacity 0.3s ease; }
.logo:hover { opacity:0.8; }
.logo span { color:var(--wood); }
nav { display:flex; gap:28px; }
nav a { font-size:13px; color:var(--text-light); text-decoration:none; letter-spacing:1.5px; transition:var(--transition); padding:4px 0; border-bottom:1px solid transparent; }
nav a:hover { color:var(--text); border-bottom-color:var(--wood); }
nav a.active { color:var(--text); border-bottom-color:var(--wood); }

/* ======== Hero v3 ======== */
.hero-v3 {
  position:relative;
  min-height:620px;
  display:flex; align-items:center;
  background:url('../images/hero-bg.jpg') center/cover no-repeat;
  background-attachment:fixed;
}
.hero-v3::before {
  content:''; position:absolute; inset:0;
  background:linear-gradient(110deg, rgba(22,12,6,0.68) 0%, rgba(30,18,8,0.40) 55%, rgba(30,18,8,0.12) 100%);
}
.hero-v3 .hero-content {
  position:relative; z-index:1;
  padding:90px 0 80px;
}
.hero-v3 .tag-line {
  display:inline-block;
  font-size:11px; letter-spacing:5px; color:rgba(255,255,255,0.82);
  text-transform:uppercase; margin-bottom:24px;
  padding:6px 18px; border:1px solid rgba(255,255,255,0.22); border-radius:20px;
  backdrop-filter:blur(8px);
}
.hero-v3 h1 {
  font-family:var(--font-serif); font-size:52px; font-weight:300;
  color:#fff; margin-bottom:16px; letter-spacing:12px; line-height:1.15;
  text-shadow:0 2px 30px rgba(0,0,0,0.4);
}
.hero-v3 .subtitle {
  font-size:16px; color:rgba(255,255,255,0.82); max-width:540px;
  line-height:2.2; margin-bottom:44px; font-weight:300;
}

/* Data badges */
.hero-stats {
  display:flex; gap:0; margin-bottom:36px; flex-wrap:wrap;
}
.hero-stat {
  padding:14px 24px;
  background:rgba(255,255,255,0.10);
  backdrop-filter:blur(8px); -webkit-backdrop-filter:blur(8px);
  border:1px solid rgba(255,255,255,0.18);
  text-align:center; min-width:100px;
}
.hero-stat:first-child { border-radius:var(--radius) 0 0 var(--radius); }
.hero-stat:last-child { border-radius:0 var(--radius) var(--radius) 0; }
.hero-stat .num {
  font-family:var(--font-serif); font-size:26px; font-weight:400;
  color:#fff; display:block; line-height:1; margin-bottom:4px;
}
.hero-stat .label { font-size:11px; color:rgba(255,255,255,0.65); letter-spacing:2px; }

/* CTA buttons */
.hero-cta { display:flex; gap:12px; flex-wrap:wrap; margin-bottom:24px; }
.btn-hero-primary {
  display:inline-flex; align-items:center; gap:8px;
  padding:13px 28px; background:var(--wood); color:#fff;
  border-radius:var(--radius); font-size:13px; letter-spacing:2px;
  transition:var(--transition); box-shadow:var(--shadow-sm);
}
.btn-hero-primary:hover { background:var(--wood-dark); box-shadow:var(--shadow-md); transform:translateY(-2px); }
.btn-hero-primary:active { transform:translateY(0); }
.btn-hero-secondary {
  display:inline-flex; align-items:center; gap:8px;
  padding:12px 26px; background:rgba(255,255,255,0.12);
  color:#fff; border:1px solid rgba(255,255,255,0.35);
  border-radius:var(--radius); font-size:13px; letter-spacing:2px;
  backdrop-filter:blur(4px); transition:var(--transition);
}
.btn-hero-secondary:hover { background:rgba(255,255,255,0.22); transform:translateY(-2px); }
.btn-hero-secondary:active { transform:translateY(0); }

/* Store badge */
.hero-store-badge {
  display:inline-flex; align-items:center; gap:6px;
  font-size:12px; color:rgba(255,255,255,0.75); letter-spacing:1px;
  padding:8px 16px;
  background:rgba(0,0,0,0.25); border:1px solid rgba(255,255,255,0.2);
  border-radius:20px; backdrop-filter:blur(4px);
}
.hero-store-badge svg { flex-shrink:0; }
.hero-store-badge:hover { background:rgba(0,0,0,0.35); transform:translateY(-1px); transition:var(--transition); }

/* Hero text block — semi-transparent backdrop for readability */
.hero-text-block {
  background:rgba(20,10,5,0.52);
  backdrop-filter:blur(12px); -webkit-backdrop-filter:blur(12px);
  border-radius:16px;
  padding:40px 44px 36px;
  border:1px solid rgba(255,255,255,0.06);
  max-width:620px;
}
.hero-text-block h1 { margin-bottom:14px; }
.hero-text-block .subtitle { margin-bottom:36px; }

/* ======== Sections ======== */
section { padding:88px 0; }
section.alt { background:var(--bg-warm); }
section.alt2 { background:var(--bg-warm2); }

/* 品牌故事段：文字上方通栏大图 */
.story-banner { margin-bottom:36px; border-radius:var(--radius-lg); overflow:hidden; background:var(--bg-warm2); }
.story-banner img { width:100%; height:auto; display:block; }

.section-label {
  font-size:11px; letter-spacing:3px; color:var(--wood); text-transform:uppercase;
  margin-bottom:8px;
}
.section-title {
  font-family:var(--font-serif); font-size:28px; font-weight:400;
  color:var(--text); margin-bottom:10px; letter-spacing:3px;
}
.section-sub {
  font-size:14px; color:var(--text-light); margin-bottom:52px; letter-spacing:0.5px;
  max-width:520px;
}

/* ======== About preview ======== */
.about-preview { max-width:600px; margin:0 auto; }
.about-preview p { margin-bottom:20px; color:var(--text-light); line-height:2; font-size:14px; }
.more-link {
  display:inline-block; font-size:13px; color:var(--wood); text-decoration:none;
  letter-spacing:2px; border-bottom:1px solid transparent; transition:var(--transition);
  padding-bottom:2px;
}
.more-link:hover { border-bottom-color:var(--wood); }

/* ======== Product showcase (homepage) ======== */
.showcase-grid {
  display:grid; grid-template-columns:repeat(4,1fr); gap:20px;
}
.showcase-card {
  border-radius:var(--radius-lg); overflow:hidden;
  background:var(--bg); border:1px solid var(--border-light);
  transition:var(--transition); cursor:pointer; display:block;
  text-decoration:none; color:inherit;
}
.showcase-card:hover {
  box-shadow:0 16px 48px rgba(90,64,32,0.13); transform:translateY(-6px);
  border-color:var(--wood-light);
}
.showcase-card .sc-img {
  aspect-ratio:1/1; overflow:hidden; background:var(--bg-warm);
  position:relative;
}
.showcase-card .sc-img img {
  width:100%; height:100%; object-fit:cover;
  transition:transform 0.4s ease;
}
.showcase-card:hover .sc-img img { transform:scale(1.05); }
.showcase-card .sc-tag {
  position:absolute; top:10px; left:10px;
  font-size:10px; letter-spacing:1.5px; color:#fff;
  background:rgba(30,18,8,0.55); backdrop-filter:blur(4px);
  padding:3px 10px; border-radius:12px;
}
.showcase-card .sc-info { padding:16px 18px 18px; }
.showcase-card .sc-name {
  font-family:var(--font-serif); font-size:14px; letter-spacing:1px;
  color:var(--text); margin-bottom:4px; font-weight:400;
}
.showcase-card .sc-meta {
  font-size:11px; color:var(--text-muted); letter-spacing:0.5px;
  display:flex; justify-content:space-between; align-items:center;
}
.showcase-card .sc-link {
  font-size:11px; color:var(--wood); letter-spacing:1px;
  opacity:0; transform:translateX(-4px);
  transition:var(--transition);
}
.showcase-card:hover .sc-link { opacity:1; transform:translateX(0); }

.section-footer {
  text-align:center; margin-top:40px;
}
.section-footer a {
  display:inline-flex; align-items:center; gap:6px;
  font-size:13px; color:var(--wood); letter-spacing:2px;
  border-bottom:1px solid var(--border); padding-bottom:2px;
  transition:var(--transition);
}
.section-footer a:hover { border-bottom-color:var(--wood); }

/* ======== Why us v3 ======== */
.why-v3-grid {
  display:grid; grid-template-columns:repeat(2,1fr); gap:20px;
}
.why-v3-item {
  padding:32px 28px; background:var(--bg);
  border:1px solid var(--border-light); border-radius:var(--radius-lg);
  display:flex; gap:20px; align-items:flex-start;
  transition:var(--transition);
}
.why-v3-item:hover { box-shadow:var(--shadow-md); border-color:var(--border); }
.why-v3-item .why-icon {
  flex-shrink:0; width:48px; height:48px;
  background:var(--bg-warm); border-radius:var(--radius);
  display:flex; align-items:center; justify-content:center;
  font-size:20px;
}
.why-v3-item .why-text h3 {
  font-family:var(--font-serif); font-size:15px; font-weight:400;
  color:var(--text); margin-bottom:6px; letter-spacing:2px;
}
.why-v3-item .why-text p { font-size:13px; color:var(--text-light); line-height:1.8; }
.why-v3-item .why-num {
  font-family:var(--font-serif); font-size:36px; font-weight:400;
  color:var(--wood); opacity:0.3; line-height:1; flex-shrink:0; margin-left:auto;
}

/* ======== Product grid v3 (分类页) ======== */
.cat-grid {
  display:grid; grid-template-columns:repeat(3,1fr); gap:24px;
}
.cat-card {
  border-radius:var(--radius-lg); overflow:hidden;
  background:var(--bg); border:1px solid var(--border-light);
  text-decoration:none; color:inherit; display:block;
  transition:var(--transition);
  position:relative;
}
.cat-card:hover { box-shadow:0 16px 48px rgba(90,64,32,0.13); transform:translateY(-5px); border-color:var(--wood-light); }
.cat-card .cc-img {
  aspect-ratio:4/3; overflow:hidden; background:var(--bg-warm);
  position:relative;
}
.cat-card .cc-img img {
  width:100%; height:100%; object-fit:cover;
  transition:transform 0.45s ease;
}
.cat-card:hover .cc-img img { transform:scale(1.06); }
.cat-card .cc-badge {
  position:absolute; top:12px; right:12px;
  font-size:10px; letter-spacing:1px; color:#fff;
  background:var(--wood); padding:3px 10px; border-radius:10px;
}
.cat-card .cc-info { padding:20px 22px 22px; }
.cat-card .cc-name {
  font-family:var(--font-serif); font-size:17px; font-weight:400;
  color:var(--text); margin-bottom:6px; letter-spacing:2px;
}
.cat-card .cc-count { font-size:12px; color:var(--text-muted); letter-spacing:0.5px; margin-bottom:12px; }
.cat-card .cc-tags { display:flex; gap:6px; flex-wrap:wrap; margin-bottom:14px; }
.cat-tag {
  font-size:10px; letter-spacing:1px; color:var(--text-light);
  background:var(--bg-warm); border:1px solid var(--border-light);
  padding:3px 10px; border-radius:10px;
}
.cat-card .cc-cta {
  font-size:12px; color:var(--wood); letter-spacing:1.5px;
  opacity:0; transform:translateY(4px);
  transition:var(--transition);
}
.cat-card:hover .cc-cta { opacity:1; transform:translateY(0); }

/* ======== Image placeholder ======== */
.img-block { background:var(--bg-warm); border:1px solid var(--border); display:flex; align-items:center; justify-content:center; min-height:300px; color:var(--text-muted); font-size:13px; letter-spacing:1px; margin-bottom:24px; }
.img-block.small { min-height:180px; }

/* ======== Prose ======== */
.content { font-size:14px; line-height:2; color:var(--text-light); }
.content p { margin-bottom:20px; }
.content h2 { font-family:var(--font-serif); font-size:20px; font-weight:400; margin:48px 0 16px; color:var(--text); letter-spacing:2px; }
.content h3 { font-size:15px; font-weight:500; margin:32px 0 12px; color:var(--text); }
.content .highlight { background:var(--bg-warm); border-left:2px solid var(--wood); padding:20px 24px; margin:24px 0; border-radius:0 4px 4px 0; }
.content .highlight strong { display:block; margin-bottom:6px; }
.content ul { padding-left:20px; margin-bottom:20px; }
.content ul li { margin-bottom:8px; color:var(--text-light); }
.content blockquote { margin:24px 0; padding:16px 24px; border-left:2px solid var(--wood); background:var(--bg-warm); font-size:14px; color:var(--text-light); line-height:1.9; border-radius:0 4px 4px 0; }

/* ======== FAQ ======== */
.faq-list { display:flex; flex-direction:column; gap:0; border-top:1px solid var(--border); }
.faq-item { padding:24px 0; border-bottom:1px solid var(--border); }
.faq-item h3 { font-family:var(--font-serif); font-size:16px; font-weight:400; color:var(--text); margin-bottom:8px; line-height:1.5; letter-spacing:1px; }
.faq-item p { font-size:14px; color:var(--text-light); line-height:1.9; }
.faq-item .tags { margin-top:8px; font-size:11px; color:var(--text-muted); letter-spacing:0.5px; }
.faq-item { transition:var(--transition); border-radius:4px; padding:24px 0; }
.faq-item:hover { background:var(--bg-warm); padding-left:16px; margin-left:-16px; padding-right:16px; margin-right:-16px; }

/* ======== Timeline ======== */
.timeline { position:relative; padding-left:32px; }
.timeline::before { content:''; position:absolute; left:11px; top:4px; bottom:4px; width:1px; background:var(--border); }
.timeline-item { position:relative; padding:0 0 36px 28px; }
.timeline-item:last-child { padding-bottom:0; }
.timeline-item::before { content:''; position:absolute; left:-28px; top:6px; width:8px; height:8px; border-radius:50%; background:var(--wood); border:2px solid var(--bg); }
.timeline-item .year { font-family:var(--font-serif); font-size:14px; color:var(--wood); font-weight:400; margin-bottom:4px; letter-spacing:2px; }
.timeline-item p { font-size:14px; color:var(--text-light); line-height:1.9; }

/* ======== Info grid ======== */
.info-grid { display:grid; grid-template-columns:1fr 1fr; gap:1px; background:var(--border); border:1px solid var(--border); }
.info-card { background:var(--bg); padding:32px 28px; }
.info-card h3 { font-family:var(--font-serif); font-size:14px; font-weight:400; color:var(--wood); margin-bottom:12px; letter-spacing:2px; }
.info-card p { font-size:14px; color:var(--text); line-height:1.8; }
.info-card .label { font-size:11px; color:var(--text-muted); letter-spacing:1px; margin-top:8px; }
.info-card .phone { font-size:20px; font-weight:400; font-family:var(--font-serif); color:var(--text); letter-spacing:1px; }

/* ======== Footer v3 ======== */
footer { padding:56px 0 40px; border-top:2px solid var(--wood); background:var(--bg-warm); }
.footer-v3 { display:grid; grid-template-columns:2fr 1fr 1fr 1fr; gap:40px; }
.footer-brand .footer-logo { font-family:var(--font-serif); font-size:20px; letter-spacing:4px; margin-bottom:12px; }
.footer-brand .footer-logo span { color:var(--wood); }
.footer-brand .footer-desc { font-size:13px; color:var(--text-light); line-height:1.8; margin-bottom:0; }
.footer-brand .footer-phone { font-family:var(--font-serif); font-size:18px; letter-spacing:1px; color:var(--text); }
.footer-col h4 { font-family:var(--font-serif); font-size:13px; letter-spacing:2px; color:var(--text); margin-bottom:16px; font-weight:400; }
.footer-col ul { list-style:none; }
.footer-col ul li { margin-bottom:8px; }
.footer-col ul li a { font-size:13px; color:var(--text-light); transition:var(--transition); letter-spacing:0.5px; }
.footer-col ul li a:hover { color:var(--wood); }
.footer-bottom { margin-top:40px; padding-top:20px; border-top:1px solid var(--border-light); display:flex; justify-content:space-between; align-items:center; }
.footer-bottom p { font-size:11px; color:var(--text-muted); letter-spacing:1px; }
.footer-bottom-links { display:flex; gap:20px; }
.footer-bottom-links a { font-size:11px; color:var(--text-muted); transition:var(--transition); letter-spacing:1px; }
.footer-bottom-links a:hover { color:var(--wood); }

/* ======== Page header ======== */
.page-header { padding:72px 0 56px; background:var(--bg-warm); text-align:center; }
.page-header h1 { font-family:var(--font-serif); font-size:34px; font-weight:400; color:var(--text); letter-spacing:5px; margin-bottom:12px; }
.page-header p { font-size:14px; color:var(--text-light); letter-spacing:1px; }

/* ======== Floating buttons ======== */
.floating-btns { position:fixed; bottom:40px; right:28px; z-index:999; display:flex; flex-direction:column; gap:10px; align-items:flex-end; }
.btn-primary { display:inline-flex; align-items:center; gap:6px; padding:11px 22px; background:var(--wood); color:#fff; border:none; border-radius:24px; font-size:13px; letter-spacing:1px; text-decoration:none; white-space:nowrap; box-shadow:var(--shadow-md); transition:var(--transition); cursor:pointer; }
.btn-primary:hover { background:var(--wood-dark); box-shadow:var(--shadow-lg); transform:translateY(-1px); }
.btn-primary:active { transform:scale(0.97); }
.btn-secondary { display:inline-flex; align-items:center; gap:6px; padding:10px 20px; background:var(--bg); color:var(--text); border:1px solid var(--border); border-radius:22px; font-size:12px; letter-spacing:1px; text-decoration:none; white-space:nowrap; box-shadow:var(--shadow-sm); transition:var(--transition); cursor:pointer; }
.btn-secondary:hover { border-color:var(--wood); color:var(--wood); box-shadow:var(--shadow-md); transform:translateY(-1px); }
.btn-secondary:active { transform:scale(0.97); }

.qr-overlay { display:none; position:fixed; top:0; left:0; width:100%; height:100%; z-index:1000; background:rgba(0,0,0,0.35); backdrop-filter:blur(4px); -webkit-backdrop-filter:blur(4px); }
.qr-overlay.show { display:block; }
.qr-popup { display:none; position:fixed; top:50%; left:50%; transform:translate(-50%,-50%); background:var(--bg); padding:32px; text-align:center; z-index:1001; box-shadow:var(--shadow-lg); max-width:320px; width:90%; border-radius:var(--radius-lg); }
.qr-popup.show { display:block; }
.qr-popup img { width:180px; height:180px; display:block; margin:0 auto; }
.qr-popup .title { font-family:var(--font-serif); font-size:16px; letter-spacing:2px; color:var(--text); margin-bottom:16px; }
.qr-popup .phone { font-size:13px; color:var(--text-light); margin-top:12px; }
.qr-popup .close { position:absolute; top:8px; right:10px; font-size:20px; color:var(--text-muted); cursor:pointer; background:none; border:none; padding:12px 14px; min-width:44px; min-height:44px; line-height:1; }
.qr-popup .close:hover { color:var(--text); }

/* ======== Product detail (现有，保持兼容) ======== */
.product-detail-grid { display:grid; grid-template-columns:repeat(2,1fr); gap:2px; background:var(--border); border:1px solid var(--border); }
.product-item { background:var(--bg); }
.product-item .photo { aspect-ratio:1/1; background:var(--bg-warm); overflow:hidden; border-bottom:1px solid var(--border); }
.product-item .photo img { width:100%; height:100%; object-fit:cover; display:block; }
.product-item .info { padding:12px; }
.product-item .info h3 { font-family:var(--font-serif); font-size:13px; font-weight:400; letter-spacing:1px; color:var(--text); margin-bottom:2px; overflow:hidden; text-overflow:ellipsis; white-space:nowrap; }
.product-item .info p { font-size:11px; color:var(--text-light); line-height:1.5; overflow:hidden; text-overflow:ellipsis; white-space:nowrap; }
.product-item .info .sales { font-size:10px; color:var(--wood); letter-spacing:0.5px; margin-top:4px; display:block; }

/* ======== Store detail ======== */
.store-list { display:flex; flex-direction:column; gap:48px; }
.store-item { display:grid; grid-template-columns:1fr 1fr; gap:40px; align-items:center; }
.store-item .info h3 { font-family:var(--font-serif); font-size:20px; font-weight:400; color:var(--text); margin-bottom:8px; letter-spacing:2px; }
.store-item .info .sub { font-size:12px; color:var(--wood); letter-spacing:2px; margin-bottom:16px; }
.store-item .info p { font-size:14px; color:var(--text-light); line-height:1.8; margin-bottom:12px; }

/* ======== Legacy footer (fallback, 兼容旧页面) ======== */
.footer-links { display:flex; flex-wrap:wrap; gap:14px; justify-content:center; margin-bottom:18px; }
.footer-links a { font-size:12px; color:var(--text-light); letter-spacing:1px; transition:var(--transition); }
.footer-links a:hover { color:var(--wood); }
.footer-meta { text-align:center; }
.footer-meta p { font-size:11px; color:var(--text-muted); letter-spacing:1px; margin-bottom:4px; }
/* ===== 移动端汉堡菜单（默认隐藏，媒体查询中打开） ===== */
.nav-toggle {
  display: none;
  margin-left: auto;
  background: none;
  border: none;
  padding: 6px 10px;
  font-size: 26px;
  line-height: 1;
  color: var(--text);
  cursor: pointer;
}
.nav-toggle:focus-visible { outline: 2px solid var(--wood); outline-offset: 2px; border-radius: 6px; }


/* ======== Tablet landscape (1024px) ======== */
@media (max-width: 1024px) {
  .container, .container-narrow { padding: 0 32px; }
  .cat-grid { grid-template-columns: repeat(3, 1fr); gap: 18px; }
}

@media (max-width: 900px) {
  .showcase-grid { grid-template-columns:repeat(2,1fr); }
  .footer-v3 { grid-template-columns:1fr 1fr; gap:32px; }
}
@media (max-width: 768px) {
  .container, .container-narrow { padding:0 20px; }
  header { padding:14px 0; }
  header .container { flex-direction:column; gap:10px; }
  .logo { font-size:20px; letter-spacing:4px; }
  .nav-toggle { display:block; background:none; border:none; font-size:24px; cursor:pointer; color:var(--wood-dark); padding:4px 8px; }
  nav { display:none; flex-direction:column; align-items:center; width:100%; gap:8px; }
  nav.open { display:flex; }
  nav a { font-size:12px; letter-spacing:1px; }

  .hero-v3 { min-height:480px; }
  .hero-v3 .hero-content { padding:60px 0 52px; }
  .hero-v3 h1 { font-size:32px; letter-spacing:5px; }
  .hero-stats { gap:0; }
  .hero-stat { padding:10px 16px; min-width:80px; }
  .hero-stat .num { font-size:22px; }
  .hero-cta { flex-direction:column; align-items:flex-start; }

  .hero-text-block { padding:28px 24px 24px; border-radius:14px; max-width:100%; }
  .hero-text-block .subtitle { margin-bottom:28px; }

  section { padding:56px 0; }
  .section-title { font-size:22px; }
  .section-sub { margin-bottom:36px; }

  .showcase-grid { grid-template-columns:repeat(2,1fr); gap:14px; }
  .cat-grid { grid-template-columns:1fr 1fr; gap:16px; }

  .why-v3-grid { grid-template-columns:1fr; gap:14px; }
  .why-v3-item { padding:24px 20px; }

  .footer-v3 { grid-template-columns:1fr 1fr 1fr; gap:18px; align-items:start; }
  .footer-brand { grid-column:1/-1; }
  .footer-bottom { flex-direction:column; gap:12px; text-align:center; }

  .page-header { padding:56px 0 40px; }
  .page-header h1 { font-size:26px; letter-spacing:3px; }

  .floating-btns { right:16px; bottom:24px; gap:6px; }
  .btn-primary, .btn-secondary { padding:8px 14px; font-size:11px; }
  .qr-popup { padding:24px 20px; max-width:280px; }
  .qr-popup img { width:150px; height:150px; }
  .style-grid { grid-template-columns: 1fr; }
}
@media (max-width: 480px) {
  .container, .container-narrow { padding:0 16px; }
  header { padding:10px 0; }
  header .container { gap:8px; }
  .logo { font-size:17px; letter-spacing:3px; }
  nav { gap:6px; width:100%; justify-content:flex-start; overflow-x:auto; flex-wrap:nowrap; padding-bottom:2px; }
  nav a { font-size:10px; letter-spacing:0.5px; white-space:nowrap; }

  .hero-v3 { min-height:420px; background-attachment:scroll; }
  .hero-v3 .hero-content { padding:48px 0 40px; }
  .hero-v3 h1 { font-size:26px; letter-spacing:4px; }
  .hero-v3 .subtitle { font-size:13px; max-width:100%; }
  .hero-text-block { padding:22px 18px 20px; border-radius:12px; }
  .hero-text-block .subtitle { margin-bottom:24px; }
  .hero-stats { flex-wrap:wrap; }
  .hero-stat { min-width:70px; padding:8px 12px; }
  .hero-stat .num { font-size:20px; }
  .hero-stat .label { font-size:10px; }

  section { padding:40px 0; }
  .section-title { font-size:20px; letter-spacing:2px; }
  .section-sub { font-size:13px; margin-bottom:28px; }

  .showcase-grid { grid-template-columns:repeat(2,1fr); gap:10px; }
  .showcase-card .sc-info { padding:12px 14px 14px; }
  .showcase-card .sc-name { font-size:13px; }
  .showcase-card .sc-link { display:none; }

  .cat-grid { grid-template-columns:1fr 1fr; gap:12px; }
  .cat-card .cc-info { padding:14px 16px 16px; }
  .cat-card .cc-name { font-size:15px; }
  .cat-card .cc-tags { display:none; }
  .cat-card .cc-cta { display:none; }

  .why-v3-item { padding:20px 18px; flex-direction:column; gap:12px; }
  .why-v3-item .why-num { display:none; }
  .why-v3-item .why-text h3 { font-size:14px; }
  .why-v3-item .why-text p { font-size:12px; }

  .page-header { padding:44px 0 32px; }
  .page-header h1 { font-size:22px; letter-spacing:3px; }
  .page-header p { font-size:13px; }

  .footer-v3 { grid-template-columns:1fr 1fr 1fr; gap:18px; align-items:start; }
  .footer-brand { grid-column:1/-1; }
  .footer-brand .footer-logo { font-size:18px; }
  .footer-bottom { margin-top:28px; }
  .footer-bottom-links { flex-wrap:wrap; justify-content:center; }

  .floating-btns { right:0; bottom:0; left:0; flex-direction:row; justify-content:center; gap:0; padding:10px 12px calc(10px + env(safe-area-inset-bottom,0px)); background:linear-gradient(180deg,transparent,var(--bg) 40%); }
  .btn-primary, .btn-secondary { flex:1; max-width:160px; justify-content:center; padding:10px 12px; font-size:12px; border-radius:20px; }
  .btn-primary { margin-right:4px; }
  .btn-secondary { margin-left:4px; }
  .qr-popup { padding:20px 16px; max-width:280px; width:88%; }
  .qr-popup img { width:140px; height:140px; }
  .qr-popup .title { font-size:14px; }
  .qr-popup .close { top:6px; right:8px; font-size:18px; padding:14px 16px; min-width:48px; min-height:48px; }

  body { padding-bottom:80px; }

  /* 图标手机端自适应 */
  .info-card h3 img { width:64px; height:auto; }
  .feature-icon img { width:100px; height:auto; }
}

/* ================================================
   认识中古风 · 风格指南模块
   ================================================ */
.style-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
  margin-top: 32px;
}

.style-card {
  background: #fff;
  border: 1px solid rgba(139, 90, 43, 0.15);
  border-radius: 12px;
  padding: 28px 24px;
  transition: box-shadow 0.3s ease, transform 0.3s ease;
}
.style-card:hover {
  box-shadow: 0 8px 24px rgba(139, 90, 43, 0.12);
  transform: translateY(-3px);
}
.style-icon {
  font-size: 32px;
  margin-bottom: 12px;
  line-height: 1;
}
.style-card h3 {
  font-size: 17px;
  font-weight: 600;
  color: #3d2b1f;
  margin-bottom: 10px;
  letter-spacing: 1px;
}
.style-card p {
  font-size: 14px;
  color: #5a4a3a;
  line-height: 1.8;
  margin: 0;
}
.style-tip {
  margin-top: 32px;
  padding: 20px 24px;
  background: linear-gradient(135deg, #faf6f0, #f5ede0);
  border-left: 4px solid #8b5a2b;
  border-radius: 8px;
}
.style-tip p {
  font-size: 14px;
  color: #5a4a3a;
  line-height: 1.9;
  margin: 0;
}
.why-section .section-header .subtitle {
  font-size: 15px;
  color: #8b6f5c;
  margin-top: 4px;
  letter-spacing: 1px;
}
#style-guide {
  background: #fff;
  padding: 64px 0;
}


/* 极窄屏：产品网格转单列 */
@media (max-width: 360px) {
  .showcase-grid,
  .cat-grid,
  .product-detail-grid { grid-template-columns: 1fr !important; }
}