/* ============================================
   掼韵文化 · 掼蛋牌品牌官网
   UI 设计规范 v1.1 合规版 · 新中式雅集风格
   字体：霞鹜文楷（标题/文化）· 系统黑体栈（正文/UI）
   ============================================ */
@import url('https://cdn.jsdelivr.net/npm/lxgw-wenkai-webfont@1.7.0/style.css');

/* ---------- 设计令牌 ---------- */
:root {
  /* 品牌色 */
  --color-primary: #1E3A5F;
  --color-primary-dark: #16304F;
  --color-primary-light: #2A4A70;
  --color-primary-lighter: #3A5580;
  --color-brand-red: #B03A2E;
  --color-brand-red-light: #C95048;
  --color-gold: #C9A86A;
  --color-gold-light: #D4BC8A;
  --color-gold-dark: #A9854B;
  --color-bg: #F7F5F0;
  --color-bg-alt: #EFEDE7;
  --color-ink: #2B2B2B;
  --color-card: #FFFFFF;

  /* 功能色 */
  --color-success: #2E9E5B;
  --color-warning: #D9822B;
  --color-destructive: #C0392B;

  /* 声明条 */
  --color-notice-bg: #F7EFE0;
  --color-notice-border: #A9854B;
  --color-notice-text: #6E5633;

  /* 文字层级 */
  --text-primary: rgba(0,0,0,.8);
  --text-secondary: rgba(0,0,0,.52);
  --text-tertiary: rgba(0,0,0,.36);
  --text-on-dark-primary: rgba(255,255,255,.9);
  --text-on-dark-secondary: rgba(255,255,255,.62);
  --text-on-dark-tertiary: rgba(255,255,255,.4);

  /* 透明度阶梯 */
  --alpha-3: rgba(0,0,0,.03);
  --alpha-4: rgba(0,0,0,.04);
  --alpha-6: rgba(0,0,0,.06);
  --alpha-8: rgba(0,0,0,.08);
  --alpha-12: rgba(0,0,0,.12);
  --alpha-16: rgba(0,0,0,.16);
  --alpha-20: rgba(0,0,0,.2);

  /* 圆角（中式：偏方正） */
  --radius-sm: 4px;
  --radius-md: 6px;
  --radius-lg: 10px;
  --radius-xl: 14px;
  --radius-pill: 999px;

  /* 间距 */
  --space-xs: 4px;
  --space-sm: 8px;
  --space-md: 16px;
  --space-lg: 24px;
  --space-xl: 40px;
  --space-2xl: 64px;
  --space-3xl: 96px;

  /* 字体 */
  --font-serif: "LXGW WenKai", "STKaiti", "KaiTi", "Noto Serif SC", ui-serif, Georgia, serif;
  --font-sans: "Noto Sans SC", -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC", "Microsoft YaHei", sans-serif;
  --font-mono: ui-monospace, "SF Mono", "Cascadia Code", monospace;

  /* 阴影（克制的细投影，主用描边） */
  --shadow-sm: 0 1px 2px rgba(30,58,95,.04);
  --shadow-md: 0 3px 10px rgba(30,58,95,.06);
  --shadow-lg: 0 8px 24px rgba(30,58,95,.08);
  --shadow-xl: 0 16px 48px rgba(30,58,95,.1);
  --shadow-focus: 0 0 0 3px rgba(30,58,95,.15);
  --shadow-gold: 0 4px 16px rgba(201,168,106,.18);

  /* 过渡 */
  --transition-fast: .15s ease;
  --transition-base: .25s ease;
  --transition-slow: .5s ease;

  /* 布局 */
  --header-h: 64px;
  --container-w: 1200px;
}

/* ---------- 重置 ---------- */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { font-size: 16px; scroll-behavior: smooth; -webkit-text-size-adjust: 100%; text-size-adjust: 100%; }
body {
  font-family: var(--font-sans);
  font-size: 15px;
  line-height: 1.73;
  color: var(--text-primary);
  background: var(--color-bg);
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='160' height='160'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.85' numOctaves='2' stitchTiles='stitch'/%3E%3CfeColorMatrix type='saturate' values='0'/%3E%3C/filter%3E%3Crect width='160' height='160' filter='url(%23n)' opacity='0.028'/%3E%3C/svg%3E");
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  text-rendering: optimizeLegibility;
  overflow-x: hidden;
  -webkit-tap-highlight-color: transparent;
}
a { color: inherit; text-decoration: none; transition: color var(--transition-fast); }
a:hover { color: var(--color-primary); }
button { font-family: inherit; border: none; background: none; cursor: pointer; }
img { max-width: 100%; display: block; }
ul, ol { list-style: none; }

/* 无障碍 */
:focus-visible { outline: 2px solid var(--color-primary); outline-offset: 2px; }
.skip-link {
  position: absolute; top: -40px; left: 0; z-index: 999;
  background: var(--color-primary); color: #fff;
  padding: 8px 16px; border-radius: 0 0 var(--radius-sm) 0;
  font-size: 13px; transition: top var(--transition-fast);
}
.skip-link:focus { top: 0; }
@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after { animation-duration: .01ms !important; transition-duration: .01ms !important; }
}

/* ---------- 布局容器 ---------- */
.container { max-width: var(--container-w); margin: 0 auto; padding: 0 20px; }
.container--narrow { max-width: 820px; }
.section { padding: var(--space-2xl) 0; }
.section--tight { padding: var(--space-xl) 0; }
.section--alt { background: var(--color-bg-alt); background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='160' height='160'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.85' numOctaves='2' stitchTiles='stitch'/%3E%3CfeColorMatrix type='saturate' values='0'/%3E%3C/filter%3E%3Crect width='160' height='160' filter='url(%23n)' opacity='0.03'/%3E%3C/svg%3E");
}
.page-main { min-height: 60vh; }

/* ---------- 区块标题（杂志式眉题 + 中线菱形） ---------- */
.section-head { text-align: center; margin-bottom: var(--space-xl); }
.section-head h2 {
  font-family: var(--font-serif); font-size: 30px; font-weight: 500;
  color: var(--color-ink); letter-spacing: 6px;
}
.section-head .subtitle { font-size: 12px; color: var(--text-tertiary); margin-top: 10px; letter-spacing: 3px; }
.section-head .divider {
  width: 120px; height: 1px; background: var(--alpha-16);
  border-radius: 0; margin: 16px auto 0; position: relative;
}
.section-head .divider::before {
  content: ''; position: absolute; left: 50%; top: 50%;
  transform: translate(-50%,-50%) rotate(45deg);
  width: 7px; height: 7px; background: var(--color-gold);
}

/* ---------- 头部导航 ---------- */
.site-header {
  position: fixed; top: 0; left: 0; right: 0; z-index: 100;
  height: var(--header-h);
  background: rgba(247,245,240,.92);
  backdrop-filter: blur(16px); -webkit-backdrop-filter: blur(16px);
  border-bottom: 1px solid var(--alpha-8);
  transition: background var(--transition-base), box-shadow var(--transition-base);
}
.site-header.scrolled { background: rgba(247,245,240,.97); box-shadow: var(--shadow-sm); }
.site-header .container { height: 100%; display: flex; align-items: center; justify-content: space-between; }
.logo { display: flex; align-items: center; gap: 10px; font-family: var(--font-serif); font-size: 18px; font-weight: 500; color: var(--color-primary); letter-spacing: 4px; }
.logo-mark {
  width: 34px; height: 34px; border-radius: var(--radius-sm);
  background: var(--color-primary); color: var(--color-gold);
  display: flex; align-items: center; justify-content: center;
  font-size: 15px; font-weight: 400; letter-spacing: 0;
  box-shadow: inset 0 0 0 1px rgba(201,168,106,.35);
}
.main-nav { display: flex; align-items: center; gap: 2px; }
.main-nav a {
  padding: 8px 14px; font-size: 14px; font-weight: 400;
  color: var(--text-primary); border-radius: var(--radius-sm);
  transition: all var(--transition-fast); position: relative; letter-spacing: 1px;
}
.main-nav a:hover, .main-nav a.active { color: var(--color-primary); background: var(--alpha-6); }
.main-nav a.active::after {
  content: ''; position: absolute; left: 14px; right: 14px; bottom: 4px;
  height: 1px; background: var(--color-gold-dark);
}
.header-cta {
  height: 34px; padding: 0 16px; border: 1px solid var(--color-primary); color: var(--color-primary);
  border-radius: var(--radius-sm); font-size: 13px;
  display: inline-flex; align-items: center; gap: 6px; letter-spacing: 2px;
  transition: all var(--transition-fast);
}
.header-cta:hover { background: var(--color-primary); color: #fff; }
.nav-toggle {
  display: none; font-size: 22px; color: var(--color-primary);
  width: 40px; height: 40px; border-radius: var(--radius-sm);
  align-items: center; justify-content: center;
  transition: background var(--transition-fast);
}
.nav-toggle:hover { background: var(--alpha-6); }
.nav-toggle:active { background: var(--alpha-12); }

/* ---------- 按钮（方正 + 字距） ---------- */
.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: 6px;
  height: 40px; padding: 0 20px; border-radius: var(--radius-sm);
  font-size: 14px; letter-spacing: 2px; transition: all var(--transition-fast); white-space: nowrap;
}
.btn--primary { background: var(--color-primary); color: #fff; }
.btn--primary:hover { background: var(--color-primary-dark); color: #fff; box-shadow: var(--shadow-md); }
.btn--outline { border: 1px solid var(--alpha-20); background: transparent; color: var(--text-primary); }
.btn--outline:hover { border-color: var(--color-primary); color: var(--color-primary); }
.btn--text { padding: 0 8px; height: auto; color: var(--color-primary); }
.btn--text:hover { color: var(--color-primary-light); }
.btn--gold { background: var(--color-gold-dark); color: #fff; }
.btn--gold:hover { background: var(--color-gold); color: var(--color-primary-dark); }
.btn--sm { height: 28px; padding: 0 12px; font-size: 12px; letter-spacing: 1px; }
.btn--lg { height: 46px; padding: 0 30px; font-size: 14px; }
.btn:disabled { opacity: .55; cursor: not-allowed; }

/* ---------- 标签 ---------- */
.tag { display: inline-flex; align-items: center; height: 20px; padding: 0 8px; border-radius: var(--radius-pill); font-size: 10px; font-weight: 400; letter-spacing: .5px; }
.tag--neutral { background: var(--alpha-4); color: rgba(0,0,0,.6); }
.tag--success { border: 1px solid rgba(46,158,91,.35); background: rgba(46,158,91,.1); color: var(--color-success); }
.tag--warning { border: 1px solid rgba(217,130,43,.35); background: rgba(217,130,43,.1); color: var(--color-warning); }
.tag--info { border: 1px solid rgba(30,58,95,.3); background: rgba(30,58,95,.06); color: var(--color-primary); }
.tag--gold { border: 1px solid rgba(169,133,75,.35); background: rgba(169,133,75,.08); color: var(--color-gold-dark); }

/* ---------- 卡片 ---------- */
.card { background: #fff; border: 1px solid var(--alpha-12); border-radius: var(--radius-lg); padding: var(--space-md); }

/* ---------- 商品卡片 ---------- */
.product-card {
  position: relative; background: #fff; border: 1px solid var(--alpha-12);
  border-radius: var(--radius-lg); overflow: hidden;
  transition: box-shadow var(--transition-base), transform var(--transition-base), border-color var(--transition-base);
  display: flex; flex-direction: column;
}
.product-card::before {
  content: ''; position: absolute; top: 0; left: 0; right: 0; height: 2px;
  background: linear-gradient(90deg, var(--color-gold-dark), var(--color-gold-light));
  transform: scaleX(0); transform-origin: left; transition: transform var(--transition-base); z-index: 2;
}
.product-card:hover { box-shadow: var(--shadow-md); transform: translateY(-2px); border-color: var(--alpha-20); }
.product-card:hover::before { transform: scaleX(1); }
.product-card__image {
  height: 200px; background: var(--color-bg);
  display: flex; align-items: center; justify-content: center;
  position: relative; overflow: hidden;
}
.product-card__image::after {
  content: ''; position: absolute; inset: 0;
  background: linear-gradient(135deg, transparent 0%, rgba(201,168,106,.05) 100%);
  pointer-events: none;
}
.product-card__badge { position: absolute; top: 10px; left: 10px; display: flex; gap: 4px; flex-wrap: wrap; z-index: 1; }
.product-card__body { padding: 14px 16px; flex: 1; display: flex; flex-direction: column; }
.product-card__name { font-size: 14px; font-weight: 500; color: var(--color-ink); margin-bottom: 6px; }
.product-card__desc { font-size: 12px; color: var(--text-secondary); line-height: 1.5; margin-bottom: 8px; }
.product-card__tags { display: flex; gap: 6px; flex-wrap: wrap; margin-bottom: 10px; }
.product-card__footer { margin-top: auto; display: flex; align-items: baseline; justify-content: space-between; }
.product-card__price { display: flex; align-items: baseline; gap: 2px; }
.product-card__price-symbol { font-size: 12px; color: var(--color-brand-red); font-weight: 500; }
.product-card__price-value { font-size: 20px; font-weight: 700; color: var(--color-brand-red); }
.product-card__price-note { font-size: 10px; color: var(--text-tertiary); margin-left: 4px; }

/* 卡片占位图通用 */
.placeholder-card {
  width: 80px; height: 56px; border-radius: 6px;
  transform: rotate(-8deg);
  display: flex; align-items: center; justify-content: center;
  font-family: var(--font-serif);
  font-size: 12px; font-weight: 400; letter-spacing: 2px;
}

/* ---------- 健康娱乐声明条 M1 ---------- */
.health-notice {
  background: var(--color-notice-bg); border-left: 2px solid var(--color-notice-border);
  border-radius: 0 var(--radius-sm) var(--radius-sm) 0;
  padding: 12px 16px; font-size: 13px; color: var(--color-notice-text); line-height: 1.7;
}

/* ---------- 页脚 M2 ---------- */
.site-footer {
  background: var(--color-primary); color: var(--text-on-dark-secondary);
  border-top: 2px solid rgba(201,168,106,.45);
  padding: var(--space-xl) 0 var(--space-lg);
}
.site-footer .container { text-align: center; }
.footer-brand { color: var(--color-gold); font-family: var(--font-serif); font-size: 16px; font-weight: 400; letter-spacing: 6px; margin-bottom: 4px; }
.footer-tagline { font-size: 12px; color: var(--text-on-dark-tertiary); margin-bottom: var(--space-md); letter-spacing: 2px; }
.footer-licenses { display: flex; justify-content: center; gap: 12px; flex-wrap: wrap; margin-bottom: var(--space-sm); }
.footer-licenses a { font-size: 12px; color: var(--text-on-dark-secondary); border-bottom: 1px dashed rgba(255,255,255,.3); padding-bottom: 1px; transition: color var(--transition-fast); }
.footer-licenses a:hover { color: var(--color-gold); border-bottom-color: var(--color-gold); }
.footer-links { display: flex; justify-content: center; gap: 12px; flex-wrap: wrap; font-size: 12px; color: var(--text-on-dark-tertiary); }
.footer-links a { transition: color var(--transition-fast); }
.footer-links a:hover { color: var(--text-on-dark-secondary); }
.footer-copyright { margin-top: var(--space-md); padding-top: var(--space-md); border-top: 1px solid rgba(255,255,255,.08); font-size: 11px; color: var(--text-on-dark-tertiary); }

/* ---------- 适龄提示 M5 ---------- */
.age-hint { display: inline-flex; align-items: center; height: 26px; padding: 0 10px; background: var(--alpha-4); border-radius: var(--radius-pill); font-size: 11px; color: var(--text-secondary); }

/* ---------- 产品网格 ---------- */
.product-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(240px, 1fr)); gap: var(--space-md); }

/* ---------- 系列入口卡片 ---------- */
.series-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(280px, 1fr)); gap: var(--space-md); }
.series-card {
  position: relative; border-radius: var(--radius-lg); overflow: hidden;
  height: 240px; display: flex; align-items: flex-end;
  color: #fff; transition: transform var(--transition-base), box-shadow var(--transition-base);
  border: 1px solid rgba(255,255,255,.08);
}
.series-card:hover { transform: translateY(-3px); box-shadow: var(--shadow-lg); }
.series-card::before {
  content: ''; position: absolute; inset: 0;
  background: linear-gradient(180deg, transparent 30%, rgba(0,0,0,.55) 100%); z-index: 1;
}
.series-card__deco {
  position: absolute; top: 50%; left: 50%; transform: translate(-50%,-50%);
  font-family: var(--font-serif); font-size: 72px; font-weight: 400;
  color: rgba(255,255,255,.07); z-index: 0; letter-spacing: 8px; user-select: none;
}
.series-card__content { position: relative; z-index: 2; padding: var(--space-md); width: 100%; }
.series-card__title { font-family: var(--font-serif); font-size: 20px; font-weight: 400; margin-bottom: 4px; letter-spacing: 3px; }
.series-card__desc { font-size: 12px; color: rgba(255,255,255,.7); margin-bottom: 8px; }
.series-card__link { font-size: 12px; color: var(--color-gold-light); display: inline-flex; align-items: center; gap: 4px; letter-spacing: 1px; }

/* ============================================
   Hero 轮播区（3 帧）
   ============================================ */
.hero {
  margin-top: var(--header-h); background: var(--color-primary); color: #fff;
  position: relative; overflow: hidden;
}
.hero::before {
  content: ''; position: absolute; top: -40%; right: -8%;
  width: 640px; height: 640px; border-radius: 50%;
  background: radial-gradient(circle, rgba(201,168,106,.07) 0%, transparent 70%);
  pointer-events: none;
}
.hero::after {
  content: ''; position: absolute; bottom: -45%; left: -12%;
  width: 460px; height: 460px; border-radius: 50%;
  background: radial-gradient(circle, rgba(255,255,255,.03) 0%, transparent 70%);
  pointer-events: none;
}
.hero .container { position: relative; z-index: 1; }

.hero-slider { position: relative; min-height: 540px; }
.hero-slide {
  position: absolute; inset: 0;
  display: flex; align-items: center;
  opacity: 0; visibility: hidden; transition: opacity .7s ease;
}
.hero-slide.active { opacity: 1; visibility: visible; z-index: 1; }

.hero-slide .inner { display: flex; align-items: center; justify-content: space-between; gap: 48px; width: 100%; }
.hero-slide .inner--center { justify-content: center; text-align: center; }
.hero-slide .text { flex: 1; max-width: 620px; }
.hero-slide .inner--center .text { max-width: 720px; }

/* 帧内逐条渐入 */
.hero-slide .reveal { opacity: 0; transform: translateY(22px); transition: opacity .6s ease, transform .6s ease; }
.hero-slide.active .reveal { opacity: 1; transform: none; }
.hero-slide.active .reveal:nth-child(1) { transition-delay: .15s; }
.hero-slide.active .reveal:nth-child(2) { transition-delay: .3s; }
.hero-slide.active .reveal:nth-child(3) { transition-delay: .45s; }
.hero-slide.active .reveal:nth-child(4) { transition-delay: .6s; }

/* 眉题 */
.hero-kicker {
  font-size: 13px; letter-spacing: 6px; color: var(--color-gold-light);
  margin-bottom: 18px; display: flex; align-items: center; gap: 12px;
}
.hero-kicker::before { content: ''; width: 28px; height: 1px; background: var(--color-gold-dark); }
.inner--center .hero-kicker { justify-content: center; }
.inner--center .hero-kicker::before { display: none; }

.hero-slide h1 {
  font-family: var(--font-serif); font-size: 46px; font-weight: 400;
  letter-spacing: 8px; margin-bottom: 18px; line-height: 1.4;
}
.hero-slide h1 .hl { color: var(--color-gold-light); font-size: 54px; letter-spacing: 2px; }
.hero-slide .subtitle {
  font-size: 15px; color: rgba(255,255,255,.6); max-width: 520px; line-height: 1.9; letter-spacing: 1px;
}
.inner--center .subtitle { margin: 0 auto; }
.hero-actions { display: flex; gap: 14px; margin-top: 30px; }
.inner--center .hero-actions { justify-content: center; }
.hero .btn--gold { background: var(--color-gold-dark); color: #fff; }
.hero .btn--gold:hover { background: var(--color-gold-light); color: var(--color-primary-dark); box-shadow: var(--shadow-gold); }
.hero .btn--outline { border-color: rgba(255,255,255,.3); color: rgba(255,255,255,.9); }
.hero .btn--outline:hover { border-color: var(--color-gold-light); color: var(--color-gold-light); background: rgba(255,255,255,.04); }

/* 右侧装饰：印章 + 竖排文字 */
.hero-side { display: flex; flex-direction: column; align-items: center; gap: 28px; flex-shrink: 0; }
.seal {
  width: 58px; height: 58px; border-radius: 6px;
  background: var(--color-brand-red); color: #F5EFE4;
  font-family: var(--font-serif); font-size: 19px; letter-spacing: 2px;
  display: flex; align-items: center; justify-content: center;
  transform: rotate(-4deg);
  box-shadow: 0 2px 8px rgba(176,58,46,.35), inset 0 0 0 2px rgba(255,255,255,.12);
  user-select: none;
}
.v-text {
  writing-mode: vertical-rl; font-family: var(--font-serif);
  letter-spacing: 10px; font-size: 13px; color: rgba(255,255,255,.3);
  border-right: 1px solid rgba(201,168,106,.35); padding-right: 14px; line-height: 1.6;
}

/* 轮播箭头 */
.slide-arrow {
  position: absolute; top: 50%; transform: translateY(-50%);
  width: 40px; height: 40px; border: 1px solid rgba(255,255,255,.22);
  color: rgba(255,255,255,.7); border-radius: 50%;
  display: flex; align-items: center; justify-content: center;
  font-size: 18px; z-index: 6; transition: all var(--transition-base);
}
.slide-arrow:hover { border-color: var(--color-gold-light); color: var(--color-gold-light); }
.slide-arrow.prev { left: 18px; }
.slide-arrow.next { right: 18px; }

/* 轮播指示点 */
.slide-dots {
  position: absolute; bottom: 26px; left: 0; right: 0;
  display: flex; justify-content: center; gap: 8px; z-index: 6;
}
.slide-dot {
  width: 22px; height: 3px; border-radius: 2px;
  background: rgba(255,255,255,.22); cursor: pointer; padding: 0;
  transition: all var(--transition-base);
}
.slide-dot:hover { background: rgba(255,255,255,.5); }
.slide-dot.active { background: var(--color-gold-light); width: 36px; }

/* ---------- 数据统计区 ---------- */
.stats-bar { background: var(--color-primary-dark); color: #fff; padding: var(--space-lg) 0; }
.stats-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: var(--space-md); text-align: center; }
.stat-item { position: relative; }
.stat-item + .stat-item::before {
  content: ''; position: absolute; left: -8px; top: 50%; transform: translateY(-50%);
  width: 1px; height: 32px; background: rgba(255,255,255,.1);
}
.stat-value { font-family: var(--font-serif); font-size: 30px; font-weight: 400; color: var(--color-gold-light); }
.stat-label { font-size: 12px; color: rgba(255,255,255,.5); margin-top: 2px; letter-spacing: 1px; }

/* ---------- 工艺特色区 ---------- */
.feature-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(240px, 1fr)); gap: var(--space-lg); }
.feature-card {
  text-align: center; padding: var(--space-lg) var(--space-md);
  background: #fff; border: 1px solid var(--alpha-12); border-radius: var(--radius-lg);
  transition: box-shadow var(--transition-base), transform var(--transition-base);
}
.feature-card:hover { box-shadow: var(--shadow-md); transform: translateY(-2px); }
.feature-card__icon {
  width: 44px; height: 44px; margin: 0 auto var(--space-sm);
  border: 1px solid rgba(30,58,95,.2); border-radius: 4px; background: rgba(30,58,95,.03);
  display: flex; align-items: center; justify-content: center;
  font-family: var(--font-serif); font-size: 20px; color: var(--color-primary);
  transform: rotate(-3deg);
}
.feature-card__title { font-size: 15px; font-weight: 500; color: var(--color-ink); margin-bottom: 6px; letter-spacing: 2px; }
.feature-card__desc { font-size: 13px; color: var(--text-secondary); line-height: 1.6; }

/* ---------- 时间线 ---------- */
.timeline { position: relative; padding-left: 28px; }
.timeline::before {
  content: ''; position: absolute; left: 7px; top: 4px; bottom: 4px;
  width: 1px; background: var(--alpha-12);
}
.timeline-item { position: relative; margin-bottom: var(--space-lg); }
.timeline-item:last-child { margin-bottom: 0; }
.timeline-item::before {
  content: ''; position: absolute; left: -28px; top: 4px;
  width: 15px; height: 15px; border-radius: 50%;
  background: #fff; border: 2px solid var(--color-gold-dark);
  z-index: 1;
}
.timeline-item__date { font-size: 12px; color: var(--color-gold-dark); font-weight: 600; margin-bottom: 4px; letter-spacing: 1px; }
.timeline-item__title { font-size: 15px; font-weight: 500; color: var(--color-ink); margin-bottom: 4px; }
.timeline-item__desc { font-size: 13px; color: var(--text-secondary); line-height: 1.7; }

/* ---------- 资质公示区 ---------- */
.qualifications {
  background: var(--color-notice-bg); border: 1px solid rgba(169,133,75,.25);
  border-radius: var(--radius-md);
  padding: var(--space-md) var(--space-lg);
  display: flex; align-items: center; gap: var(--space-lg); flex-wrap: wrap;
}
.qualifications__label {
  font-size: 13px; font-weight: 500; color: var(--color-notice-text);
  display: flex; align-items: center; gap: 8px; letter-spacing: 2px;
}
.qualifications__label::before {
  content: ''; width: 8px; height: 8px; background: var(--color-brand-red);
  border-radius: 1px; transform: rotate(45deg); flex-shrink: 0;
}
.qualifications__items { display: flex; gap: var(--space-md); flex-wrap: wrap; flex: 1; }
.qualifications__item { font-size: 12px; color: var(--text-secondary); }
.qualifications__item a { border-bottom: 1px dashed var(--alpha-20); padding-bottom: 1px; }

/* ---------- 面包屑 ---------- */
.breadcrumb { display: flex; align-items: center; gap: 8px; font-size: 12px; color: var(--text-tertiary); padding: var(--space-md) 0; }
.breadcrumb a:hover { color: var(--color-primary); }
.breadcrumb span.sep { color: var(--alpha-20); }

/* ---------- 产品详情页 ---------- */
.detail-layout { display: grid; grid-template-columns: 1fr 1fr; gap: var(--space-xl); align-items: start; }
.detail-gallery {
  background: #fff; border: 1px solid var(--alpha-12); border-radius: var(--radius-lg);
  overflow: hidden; display: flex; flex-direction: column; gap: var(--space-sm);
}
.detail-gallery__main {
  aspect-ratio: 1; display: flex; align-items: center; justify-content: center;
  background: var(--color-bg); position: relative;
}
.detail-gallery__main::after {
  content: ''; position: absolute; inset: 0;
  background: linear-gradient(135deg, transparent 0%, rgba(201,168,106,.05) 100%);
  pointer-events: none;
}
.detail-gallery__thumbs { display: flex; gap: var(--space-sm); padding: 0 var(--space-sm) var(--space-sm); }
.detail-gallery__thumb {
  width: 64px; height: 64px; border-radius: var(--radius-sm);
  border: 2px solid var(--alpha-8); background: var(--color-bg);
  display: flex; align-items: center; justify-content: center;
  font-family: var(--font-serif); font-size: 10px; letter-spacing: 1px;
  cursor: pointer; transition: border-color var(--transition-fast);
}
.detail-gallery__thumb:hover, .detail-gallery__thumb.active { border-color: var(--color-primary); }

.detail-info h1 { font-family: var(--font-serif); font-size: 26px; font-weight: 400; color: var(--color-ink); margin-bottom: var(--space-sm); letter-spacing: 2px; }
.detail-info__subtitle { font-size: 13px; color: var(--text-secondary); margin-bottom: var(--space-md); letter-spacing: 1px; }
.detail-info__tags { display: flex; gap: 6px; flex-wrap: wrap; margin-bottom: var(--space-md); }
.detail-info__price {
  display: flex; align-items: baseline; gap: 4px;
  padding: var(--space-md) 0; border-bottom: 1px solid var(--alpha-8); margin-bottom: var(--space-md);
}
.detail-info__price .symbol { font-size: 14px; color: var(--color-brand-red); font-weight: 500; }
.detail-info__price .value { font-size: 32px; font-weight: 700; color: var(--color-brand-red); }
.detail-info__price .note { font-size: 12px; color: var(--text-tertiary); margin-left: 8px; }
.detail-specs { margin-bottom: var(--space-md); }
.detail-specs dt { font-size: 12px; color: var(--text-tertiary); margin-bottom: 4px; }
.detail-specs dd { font-size: 14px; color: var(--text-primary); margin-bottom: 12px; padding-bottom: 12px; border-bottom: 1px solid var(--alpha-6); }
.detail-specs dl > div:last-child dt, .detail-specs dl > div:last-child dd { border-bottom: none; margin-bottom: 0; padding-bottom: 0; }
.detail-actions { display: flex; gap: 12px; margin: var(--space-lg) 0; }
.detail-section { margin-top: var(--space-2xl); }
.detail-section h3 { font-family: var(--font-serif); font-size: 18px; font-weight: 500; margin-bottom: var(--space-md); color: var(--color-ink); letter-spacing: 2px; padding-bottom: var(--space-sm); border-bottom: 1px solid var(--alpha-8); }

/* 标签页 */
.tabs { display: flex; gap: 2px; border-bottom: 2px solid var(--alpha-8); margin-bottom: var(--space-lg); }
.tab {
  padding: 10px 20px; font-size: 14px; font-weight: 400; color: var(--text-secondary);
  border-bottom: 2px solid transparent; margin-bottom: -2px; transition: all var(--transition-fast);
  cursor: pointer; background: none; letter-spacing: 1px;
}
.tab:hover { color: var(--color-primary); }
.tab.active { color: var(--color-primary); border-bottom-color: var(--color-gold-dark); }
.tab-panel { display: none; }
.tab-panel.active { display: block; animation: fadeIn .3s ease; }
@keyframes fadeIn { from { opacity: 0; } to { opacity: 1; } }

/* 相关推荐 */
.related-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(200px, 1fr)); gap: var(--space-md); }

/* ---------- 文化页 ---------- */
.culture-hero {
  margin-top: var(--header-h);
  background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-primary-dark) 100%);
  color: #fff; padding: var(--space-2xl) 0; text-align: center; position: relative; overflow: hidden;
}
.culture-hero::before {
  content: '雅'; position: absolute; right: 5%; top: 50%; transform: translateY(-50%);
  font-family: var(--font-serif); font-size: 200px; font-weight: 400;
  color: rgba(201,168,106,.05); pointer-events: none;
}
.culture-hero .container { position: relative; z-index: 1; }
.culture-hero h1 { font-family: var(--font-serif); font-size: 32px; font-weight: 400; letter-spacing: 8px; margin-bottom: var(--space-sm); }
.culture-hero .subtitle { font-size: 14px; color: rgba(255,255,255,.55); letter-spacing: 3px; }

.culture-content { max-width: 760px; margin: 0 auto; }
.culture-content h2 { font-family: var(--font-serif); font-size: 22px; font-weight: 500; color: var(--color-ink); margin: var(--space-xl) 0 var(--space-md); padding-left: 12px; border-left: 3px solid var(--color-gold-dark); letter-spacing: 2px; }
.culture-content h3 { font-size: 16px; font-weight: 500; color: var(--color-ink); margin: var(--space-lg) 0 var(--space-sm); }
.culture-content p { font-size: 15px; line-height: 2; color: var(--text-primary); margin-bottom: var(--space-md); }
.culture-content blockquote {
  margin: var(--space-md) 0; padding: var(--space-md) var(--space-lg);
  background: var(--color-notice-bg); border-left: 2px solid var(--color-gold-dark);
  border-radius: 0 var(--radius-sm) var(--radius-sm) 0;
  font-family: var(--font-serif); font-size: 15px; color: var(--color-notice-text); line-height: 1.8;
}

.rules-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(240px, 1fr)); gap: var(--space-md); margin: var(--space-lg) 0; }
.rules-card { background: #fff; border: 1px solid var(--alpha-12); border-radius: var(--radius-md); padding: var(--space-md); transition: box-shadow var(--transition-fast); position: relative; }
.rules-card:hover { box-shadow: var(--shadow-md); }
.rules-card h4 { font-size: 14px; font-weight: 500; color: var(--color-primary); margin-bottom: 8px; letter-spacing: 1px; }
.rules-card h4::before { content: '◆'; font-size: 9px; color: var(--color-gold-dark); margin-right: 6px; vertical-align: 1px; }
.rules-card p { font-size: 13px; line-height: 1.7; color: var(--text-secondary); }

/* ---------- 文章资讯列表 ---------- */
.news-layout { display: grid; grid-template-columns: minmax(0,1fr) 280px; gap: var(--space-xl); align-items: start; }
.news-list { display: flex; flex-direction: column; gap: var(--space-md); }
.news-item {
  display: flex; gap: var(--space-md); padding: var(--space-md);
  background: #fff; border: 1px solid var(--alpha-12); border-left: 2px solid transparent;
  border-radius: var(--radius-md);
  transition: box-shadow var(--transition-fast), border-color var(--transition-fast);
}
.news-item:hover { box-shadow: var(--shadow-md); border-color: var(--alpha-16); border-left-color: var(--color-gold-dark); }
.news-item__date { flex-shrink: 0; width: 64px; text-align: center; padding-top: 4px; }
.news-item__date .day { font-size: 24px; font-weight: 700; color: var(--color-primary); line-height: 1.2; font-family: var(--font-serif); font-weight: 400; }
.news-item__date .month { font-size: 11px; color: var(--text-tertiary); margin-top: 2px; }
.news-item__body { flex: 1; min-width: 0; }
.news-item__tag { margin-bottom: 6px; }
.news-item__title { font-size: 15px; font-weight: 500; color: var(--color-ink); margin-bottom: 6px; transition: color var(--transition-fast); }
.news-item:hover .news-item__title { color: var(--color-primary); }
.news-item__excerpt { font-size: 13px; color: var(--text-secondary); line-height: 1.7; margin-bottom: 8px; }
.news-item__meta { display: flex; gap: 12px; font-size: 11px; color: var(--text-tertiary); }

/* 文章侧边栏 */
.news-sidebar { position: sticky; top: calc(var(--header-h) + var(--space-md)); display: flex; flex-direction: column; gap: var(--space-md); }
.sidebar-block { background: #fff; border: 1px solid var(--alpha-12); border-radius: var(--radius-lg); padding: var(--space-md); }
.sidebar-block h4 { font-size: 14px; font-weight: 500; color: var(--color-ink); margin-bottom: var(--space-sm); padding-bottom: var(--space-sm); border-bottom: 1px solid var(--alpha-8); letter-spacing: 2px; }
.sidebar-tags { display: flex; flex-wrap: wrap; gap: 6px; }
.sidebar-tags a { display: inline-flex; align-items: center; height: 28px; padding: 0 12px; border-radius: var(--radius-pill); border: 1px solid var(--alpha-12); font-size: 12px; color: var(--text-secondary); transition: all var(--transition-fast); }
.sidebar-tags a:hover, .sidebar-tags a.active { border-color: var(--color-primary); color: var(--color-primary); background: rgba(30,58,95,.04); }

.sidebar-hot { display: flex; flex-direction: column; gap: 10px; }
.sidebar-hot-item { display: flex; gap: 10px; align-items: flex-start; }
.sidebar-hot-item__num { flex-shrink: 0; width: 20px; height: 20px; border-radius: 50%; background: var(--alpha-6); color: var(--text-secondary); font-size: 11px; font-weight: 600; display: flex; align-items: center; justify-content: center; }
.sidebar-hot-item:nth-child(1) .sidebar-hot-item__num { background: var(--color-brand-red); color: #fff; }
.sidebar-hot-item:nth-child(2) .sidebar-hot-item__num { background: var(--color-gold-dark); color: #fff; }
.sidebar-hot-item:nth-child(3) .sidebar-hot-item__num { background: var(--color-primary-lighter); color: #fff; }
.sidebar-hot-item__title { font-size: 13px; color: var(--text-primary); line-height: 1.5; transition: color var(--transition-fast); }
.sidebar-hot-item:hover .sidebar-hot-item__title { color: var(--color-primary); }

/* ---------- 文章详情页 ---------- */
.article-header { text-align: center; margin-bottom: var(--space-xl); }
.article-header__category { display: inline-block; font-size: 12px; color: var(--color-gold-dark); font-weight: 600; letter-spacing: 3px; margin-bottom: var(--space-sm); }
.article-header h1 { font-family: var(--font-serif); font-size: 28px; font-weight: 400; color: var(--color-ink); margin-bottom: var(--space-sm); line-height: 1.4; letter-spacing: 2px; }
.article-header__meta { display: flex; justify-content: center; gap: 16px; font-size: 12px; color: var(--text-tertiary); }
.article-body { font-size: 16px; line-height: 2; color: var(--text-primary); }
.article-body h2 { font-family: var(--font-serif); font-size: 20px; font-weight: 500; color: var(--color-ink); margin: var(--space-xl) 0 var(--space-md); padding-left: 10px; border-left: 3px solid var(--color-gold-dark); letter-spacing: 1px; }
.article-body h3 { font-size: 17px; font-weight: 500; color: var(--color-ink); margin: var(--space-lg) 0 var(--space-sm); }
.article-body p { margin-bottom: var(--space-md); }
.article-body blockquote {
  margin: var(--space-md) 0; padding: var(--space-md) var(--space-lg);
  background: var(--color-notice-bg); border-left: 2px solid var(--color-gold-dark);
  border-radius: 0 var(--radius-sm) var(--radius-sm) 0;
  font-family: var(--font-serif); font-size: 15px; color: var(--color-notice-text); line-height: 1.8;
}
.article-body ul, .article-body ol { margin: var(--space-md) 0; padding-left: 24px; }
.article-body ul li, .article-body ol li { margin-bottom: 8px; line-height: 1.8; }
.article-body ul li { list-style: disc; }
.article-body ol li { list-style: decimal; }
.article-body img { border-radius: var(--radius-md); margin: var(--space-md) 0; }
.article-footer { margin-top: var(--space-xl); padding-top: var(--space-lg); border-top: 1px solid var(--alpha-8); }
.article-nav { display: flex; justify-content: space-between; gap: var(--space-md); margin-top: var(--space-lg); }
.article-nav a { font-size: 13px; color: var(--text-secondary); }
.article-nav a:hover { color: var(--color-primary); }

/* ---------- 关于我们 ---------- */
.about-hero {
  margin-top: var(--header-h); background: var(--color-primary); color: #fff;
  padding: var(--space-2xl) 0; text-align: center; position: relative; overflow: hidden;
}
.about-hero::before {
  content: '掼'; position: absolute; left: 50%; top: 50%; transform: translate(-50%,-50%);
  font-family: var(--font-serif); font-size: 280px; font-weight: 400;
  color: rgba(201,168,106,.04); pointer-events: none;
}
.about-hero .container { position: relative; z-index: 1; }
.about-hero h1 { font-family: var(--font-serif); font-size: 32px; font-weight: 400; letter-spacing: 8px; margin-bottom: var(--space-sm); }
.about-hero .subtitle { font-size: 14px; color: rgba(255,255,255,.55); max-width: 560px; margin: 0 auto; line-height: 1.8; letter-spacing: 1px; }

.about-content { max-width: 820px; margin: 0 auto; }
.about-content h2 { font-family: var(--font-serif); font-size: 22px; font-weight: 500; color: var(--color-ink); margin: var(--space-xl) 0 var(--space-md); padding-left: 12px; border-left: 3px solid var(--color-gold-dark); letter-spacing: 2px; }
.about-content p { font-size: 15px; line-height: 2; color: var(--text-primary); margin-bottom: var(--space-md); }

/* 价值观卡片 */
.values-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(200px, 1fr)); gap: var(--space-md); margin: var(--space-lg) 0; }
.value-card { text-align: center; padding: var(--space-lg) var(--space-md); background: #fff; border: 1px solid var(--alpha-12); border-radius: var(--radius-lg); }
.value-card__icon { width: 40px; height: 40px; margin: 0 auto var(--space-sm); border: 1px solid rgba(169,133,75,.35); border-radius: 4px; background: rgba(169,133,75,.06); display: flex; align-items: center; justify-content: center; font-family: var(--font-serif); font-size: 18px; color: var(--color-gold-dark); }
.value-card__title { font-size: 14px; font-weight: 500; color: var(--color-ink); margin-bottom: 4px; letter-spacing: 2px; }
.value-card__desc { font-size: 12px; color: var(--text-secondary); line-height: 1.6; }

/* 团队 */
.team-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(200px, 1fr)); gap: var(--space-md); margin: var(--space-lg) 0; }
.team-card { text-align: center; }
.team-card__avatar { width: 80px; height: 80px; border-radius: 50%; margin: 0 auto var(--space-sm); background: var(--color-primary); display: flex; align-items: center; justify-content: center; color: var(--color-gold); font-family: var(--font-serif); font-size: 24px; font-weight: 400; }
.team-card__name { font-size: 15px; font-weight: 500; color: var(--color-ink); margin-bottom: 2px; }
.team-card__role { font-size: 12px; color: var(--text-tertiary); margin-bottom: 6px; }
.team-card__bio { font-size: 12px; color: var(--text-secondary); line-height: 1.6; }

/* 联系信息 */
.contact-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(220px, 1fr)); gap: var(--space-md); margin: var(--space-lg) 0; }
.contact-card { padding: var(--space-md); background: #fff; border: 1px solid var(--alpha-12); border-radius: var(--radius-lg); }
.contact-card__label { font-size: 12px; color: var(--text-tertiary); margin-bottom: 4px; letter-spacing: 1px; }
.contact-card__value { font-size: 15px; color: var(--color-ink); font-weight: 500; }
.contact-card__note { font-size: 12px; color: var(--text-secondary); margin-top: 4px; }

/* FAQ 手风琴 */
.faq-list { display: flex; flex-direction: column; gap: var(--space-sm); }
.faq-item { background: #fff; border: 1px solid var(--alpha-12); border-radius: var(--radius-md); overflow: hidden; transition: border-color var(--transition-fast); }
.faq-item:hover { border-color: var(--alpha-16); }
.faq-item__head { display: flex; align-items: center; justify-content: space-between; padding: 14px 16px; cursor: pointer; font-size: 14px; font-weight: 500; color: var(--color-ink); }
.faq-item__head:hover { color: var(--color-primary); }
.faq-item__icon { flex-shrink: 0; font-size: 16px; color: var(--text-tertiary); transition: transform var(--transition-fast); }
.faq-item.open .faq-item__icon { transform: rotate(45deg); color: var(--color-primary); }
.faq-item__body { max-height: 0; overflow: hidden; transition: max-height var(--transition-base); }
.faq-item.open .faq-item__body { max-height: 300px; }
.faq-item__body-inner { padding: 0 16px 14px; font-size: 13px; color: var(--text-secondary); line-height: 1.7; }

/* ---------- 定制确认弹窗 M3 ---------- */
.modal-overlay {
  position: fixed; inset: 0; z-index: 200;
  background: rgba(22,48,79,.5); backdrop-filter: blur(4px);
  display: flex; align-items: center; justify-content: center;
  opacity: 0; visibility: hidden; transition: opacity var(--transition-base);
}
.modal-overlay.open { opacity: 1; visibility: visible; }
.modal {
  background: #fff; border-radius: var(--radius-lg);
  border-top: 2px solid var(--color-gold-dark);
  padding: var(--space-lg); max-width: 440px; width: calc(100% - 40px);
  transform: scale(.95); transition: transform var(--transition-base);
}
.modal-overlay.open .modal { transform: scale(1); }
.modal h3 { font-size: 16px; font-weight: 500; margin-bottom: var(--space-sm); color: var(--color-ink); letter-spacing: 1px; }
.modal p { font-size: 12px; color: var(--text-secondary); line-height: 1.7; margin-bottom: var(--space-md); }
.modal-check { display: flex; gap: 8px; font-size: 12px; color: var(--text-primary); margin-bottom: 8px; align-items: flex-start; }
.modal-check input { margin-top: 2px; width: 14px; height: 14px; accent-color: var(--color-gold-dark); flex-shrink: 0; }
.modal .btn { width: 100%; margin-top: var(--space-sm); }

/* ---------- 注册协议勾选 M4 ---------- */
.reg-check { display: flex; gap: 8px; font-size: 13px; align-items: flex-start; }
.reg-check input { margin-top: 2px; width: 15px; height: 15px; accent-color: var(--color-gold-dark); flex-shrink: 0; }
.reg-check a { color: var(--color-primary); font-weight: 500; }

/* ---------- 页面通用 ---------- */
.page-title { font-family: var(--font-serif); font-size: 28px; font-weight: 400; color: var(--color-ink); text-align: center; letter-spacing: 6px; margin-bottom: var(--space-xs); }
.page-subtitle { text-align: center; font-size: 12px; color: var(--text-tertiary); margin-bottom: var(--space-xl); letter-spacing: 3px; }

/* 过滤栏 */
.filter-bar { display: flex; align-items: center; gap: 8px; flex-wrap: wrap; padding: var(--space-md) 0; margin-bottom: var(--space-lg); border-bottom: 1px solid var(--alpha-8); }
.filter-pill {
  display: inline-flex; align-items: center; height: 30px; padding: 0 14px;
  border-radius: var(--radius-pill); border: 1px solid var(--alpha-12);
  background: #fff; color: var(--text-secondary); font-size: 12px; font-weight: 400;
  transition: all var(--transition-fast); letter-spacing: 1px;
}
.filter-pill:hover { border-color: var(--color-primary); color: var(--color-primary); }
.filter-pill.active { background: rgba(176,58,46,.08); color: var(--color-brand-red); border-color: rgba(176,58,46,.25); }

/* 分页 */
.pagination { display: flex; justify-content: center; gap: 6px; margin-top: var(--space-xl); }
.pagination a {
  display: inline-flex; align-items: center; justify-content: center;
  min-width: 34px; height: 34px; padding: 0 8px; border-radius: var(--radius-sm); font-size: 13px;
  border: 1px solid var(--alpha-12); background: #fff; color: var(--text-secondary); transition: all var(--transition-fast);
}
.pagination a:hover { border-color: var(--color-primary); color: var(--color-primary); }
.pagination a.active { background: var(--color-primary); color: #fff; border-color: var(--color-primary); }
.pagination a.disabled { opacity: .4; pointer-events: none; }

/* ---------- 滚动渐入 ---------- */
.fade-in { opacity: 0; transform: translateY(20px); transition: opacity .6s ease, transform .6s ease; }
.fade-in.in-view { opacity: 1; transform: translateY(0); }
.fade-in:nth-child(2) { transition-delay: .1s; }
.fade-in:nth-child(3) { transition-delay: .2s; }
.fade-in:nth-child(4) { transition-delay: .3s; }

/* ---------- CTA 横幅 ---------- */
.cta-banner {
  background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-primary-dark) 100%);
  border: 1px solid rgba(201,168,106,.3);
  border-radius: var(--radius-lg); padding: var(--space-xl) var(--space-lg);
  text-align: center; color: #fff; position: relative; overflow: hidden;
}
.cta-banner::before {
  content: '定制'; position: absolute; right: 4%; top: 50%; transform: translateY(-50%);
  font-family: var(--font-serif); font-size: 120px; color: rgba(201,168,106,.04);
  pointer-events: none; letter-spacing: 8px;
}
.cta-banner h3 { font-family: var(--font-serif); font-size: 22px; font-weight: 400; margin-bottom: var(--space-sm); letter-spacing: 4px; position: relative; z-index: 1; }
.cta-banner p { font-size: 14px; color: rgba(255,255,255,.6); margin-bottom: var(--space-lg); position: relative; z-index: 1; }
.cta-banner .btn { position: relative; z-index: 1; }

/* ---------- 响应式 ---------- */
/* ============================================
   平板断点 768px–1199px
   ============================================ */
@media (max-width: 1199px) {
  .container { padding: 0 16px; }
  .detail-layout { grid-template-columns: 1fr; gap: var(--space-lg); }
  .news-layout { grid-template-columns: 1fr; gap: var(--space-lg); }
  .news-sidebar { position: static; }
  .stats-grid { grid-template-columns: repeat(2, 1fr); gap: var(--space-md); }
  .stat-item + .stat-item::before { display: none; }
  .hero-slider { min-height: 480px; }
  .hero-side { display: none; }
  .hero-slide .inner { justify-content: center; text-align: center; }
  .hero-slide .inner .text { max-width: 560px; }
  .hero-actions { justify-content: center; }
  .section-head h2 { font-size: 26px; }
}

/* ============================================
   手机断点 ≤768px
   ============================================ */
@media (max-width: 768px) {
  :root {
    --header-h: 56px;
    --space-2xl: 40px;
    --space-3xl: 56px;
    --space-lg: 20px;
    --space-xl: 28px;
  }

  /* 头部 */
  .main-nav { display: none; }
  .nav-toggle { display: flex; }
  .main-nav.open {
    display: flex; position: absolute; top: var(--header-h); left: 0; right: 0;
    flex-direction: column; background: #fff; padding: var(--space-sm) 0;
    box-shadow: var(--shadow-lg); z-index: 99;
  }
  .main-nav.open a {
    display: block; padding: 13px 20px; font-size: 15px;
    border-top: 1px solid var(--alpha-6); color: var(--text-primary);
  }
  .main-nav.open a:first-child { border-top: none; }
  .main-nav.open a.active { color: var(--color-primary); }
  .main-nav.open a.active::after { display: none; }
  .header-cta { display: none; }

  /* Hero 轮播 */
  .hero { margin-top: var(--header-h); }
  .hero-slider { min-height: 420px; }
  .hero-slide .inner { flex-direction: column; justify-content: center; gap: 0; text-align: center; }
  .hero-side { display: none; }
  .hero-slide .text { max-width: 100% !important; padding: 0 4px; }
  .hero-kicker { font-size: 11px; letter-spacing: 4px; justify-content: center; }
  .hero-kicker::before { display: none; }
  .hero-slide h1 { font-size: 26px; letter-spacing: 4px; line-height: 1.4; }
  .hero-slide h1 .hl { font-size: 30px; letter-spacing: 2px; }
  .hero-slide .subtitle { font-size: 13px; max-width: 100% !important; line-height: 1.7; padding: 0 8px; }
  .hero-actions { flex-direction: column; gap: 10px; align-items: center; margin-top: 20px; }
  .hero-actions .btn { width: 180px; justify-content: center; }
  .hero-actions .btn--lg { height: 42px; padding: 0 16px; }
  .slide-arrow { display: none; }
  .slide-dots { bottom: 16px; }
  .slide-dot { width: 24px; height: 4px; min-width: 24px; border-radius: 2px; }
  .slide-dot.active { width: 32px; }

  /* 统计条 */
  .stats-bar { padding: var(--space-md) 0; }
  .stats-grid { grid-template-columns: repeat(2, 1fr); gap: var(--space-sm); }
  .stat-item { padding: var(--space-sm) 0; }
  .stat-value { font-size: 22px; }
  .stat-label { font-size: 11px; }

  /* 区块标题 */
  .section-head h2 { font-size: 20px; letter-spacing: 4px; }
  .section-head .subtitle { font-size: 11px; letter-spacing: 2px; }
  .section-head .divider { width: 80px; }

  /* 产品网格 */
  .product-grid { grid-template-columns: repeat(2, 1fr); gap: 10px; }
  .product-card__image { height: 130px; }
  .product-card__body { padding: 10px 12px; }
  .product-card__name { font-size: 12px; line-height: 1.4; margin-bottom: 4px; }
  .product-card__desc { display: none; }
  .product-card__tags { display: none; }
  .product-card__footer { flex-direction: column; align-items: flex-start; gap: 6px; }
  .product-card__price { align-items: baseline; }
  .product-card__price-value { font-size: 18px; }
  .product-card .btn--sm { width: 100%; justify-content: center; font-size: 12px; }

  /* 系列卡片 */
  .series-grid { grid-template-columns: 1fr; gap: 10px; }
  .series-card { height: 160px; }
  .series-card__deco { font-size: 48px; }
  .series-card__title { font-size: 17px; }
  .series-card__desc { font-size: 11px; }

  /* 工艺特色 */
  .feature-grid { grid-template-columns: repeat(2, 1fr); gap: 10px; }
  .feature-card { padding: var(--space-md) var(--space-sm); }
  .feature-card__title { font-size: 13px; letter-spacing: 1px; }
  .feature-card__desc { font-size: 11px; line-height: 1.5; }

  /* 资讯列表 */
  .news-item { flex-direction: row; gap: var(--space-sm); padding: var(--space-sm); }
  .news-item__date { width: 48px; flex-shrink: 0; padding-top: 0; }
  .news-item__date .day { font-size: 20px; }
  .news-item__date .month { font-size: 10px; }
  .news-item__title { font-size: 13px; line-height: 1.4; margin-bottom: 4px; }
  .news-item__excerpt { display: none; }
  .news-item__meta { display: none; }

  /* 侧边栏 */
  .news-sidebar { display: grid; grid-template-columns: 1fr 1fr; gap: 10px; }
  .sidebar-block { padding: var(--space-sm); }
  .sidebar-block h4 { font-size: 12px; margin-bottom: 8px; }
  .sidebar-tags { gap: 4px; }
  .sidebar-tags a { height: 26px; padding: 0 10px; font-size: 11px; }
  .sidebar-hot { gap: 8px; }
  .sidebar-hot-item__title { font-size: 12px; line-height: 1.4; }

  /* 资质公示 */
  .qualifications { flex-direction: column; align-items: flex-start; gap: var(--space-sm); padding: var(--space-sm) var(--space-md); }
  .qualifications__items { flex-direction: column; gap: 4px; }
  .qualifications__item { font-size: 11px; }

  /* 产品详情 */
  .detail-gallery__main { aspect-ratio: 4/3; }
  .detail-gallery__thumbs { gap: 6px; padding: 0 8px 8px; }
  .detail-gallery__thumb { width: 56px; height: 56px; font-size: 9px; }
  .detail-info h1 { font-size: 18px; letter-spacing: 1px; }
  .detail-info__subtitle { font-size: 12px; }
  .detail-info__price .value { font-size: 26px; }
  .detail-specs { display: none; }
  .detail-actions { flex-direction: column; gap: 8px; }
  .detail-actions .btn { width: 100%; justify-content: center; }
  .age-hint { font-size: 10px; }

  /* 标签页 */
  .tabs { overflow-x: auto; -webkit-overflow-scrolling: touch; scrollbar-width: none; }
  .tabs::-webkit-scrollbar { display: none; }
  .tab { white-space: nowrap; padding: 8px 14px; font-size: 13px; }
  .tab-panel p { font-size: 13px; }

  /* 相关推荐 */
  .related-grid { grid-template-columns: repeat(2, 1fr); gap: 10px; }

  /* 文化页 */
  .culture-hero { padding: var(--space-xl) 0; }
  .culture-hero::before { font-size: 140px; }
  .culture-hero h1 { font-size: 22px; letter-spacing: 4px; }
  .culture-hero .subtitle { font-size: 12px; }
  .culture-content h2 { font-size: 18px; }
  .culture-content p { font-size: 13px; line-height: 1.9; }
  .rules-grid { grid-template-columns: 1fr; gap: 8px; }
  .timeline { padding-left: 20px; }

  /* 关于我们 */
  .about-hero { padding: var(--space-xl) 0; }
  .about-hero::before { font-size: 180px; }
  .about-hero h1 { font-size: 22px; letter-spacing: 4px; }
  .about-hero .subtitle { font-size: 12px; }
  .about-content h2 { font-size: 18px; }
  .about-content p { font-size: 13px; line-height: 1.9; }
  .values-grid { grid-template-columns: repeat(2, 1fr); gap: 8px; }
  .team-grid { grid-template-columns: 1fr; gap: var(--space-md); }
  .contact-grid { grid-template-columns: 1fr; gap: 8px; }
  .contact-card { padding: var(--space-sm); }

  /* FAQ */
  .faq-item__head { font-size: 13px; padding: 12px 14px; }
  .faq-item__body-inner { font-size: 12px; padding: 0 14px 12px; }

  /* 文章详情 */
  .article-header h1 { font-size: 20px; letter-spacing: 1px; line-height: 1.4; }
  .article-header__meta { font-size: 11px; gap: 10px; }
  .article-body { font-size: 14px; line-height: 1.9; }
  .article-body h2 { font-size: 17px; }
  .article-body blockquote { font-size: 13px; padding: var(--space-sm) var(--space-md); }
  .article-nav { flex-direction: column; gap: 6px; }
  .article-nav a { font-size: 12px; }

  /* CTA 横幅 */
  .cta-banner { padding: var(--space-lg) var(--space-md); }
  .cta-banner::before { display: none; }
  .cta-banner h3 { font-size: 18px; }
  .cta-banner p { font-size: 12px; }
  .cta-banner .btn { font-size: 13px; height: 38px; }

  /* 弹窗 */
  .modal { padding: var(--space-md); }
  .modal h3 { font-size: 15px; }
  .modal p { font-size: 11px; }
  .modal .btn { height: 38px; font-size: 13px; }

  /* 面包屑 */
  .breadcrumb { font-size: 11px; padding: var(--space-sm) 0; overflow: hidden; }

  /* 页面标题 */
  .page-title { font-size: 20px; letter-spacing: 4px; }
  .page-subtitle { font-size: 11px; letter-spacing: 2px; }

  /* 过滤栏 */
  .filter-bar { gap: 6px; padding: var(--space-sm) 0; }
  .filter-pill { height: 28px; padding: 0 12px; font-size: 11px; }

  /* 分页 */
  .pagination { gap: 4px; }
  .pagination a { min-width: 30px; height: 30px; font-size: 12px; }

  /* 页脚 */
  .footer-licenses, .footer-links { flex-direction: column; gap: 6px; align-items: center; }
  .footer-copyright { font-size: 10px; }
  .footer-brand { font-size: 14px; letter-spacing: 4px; }
}

/* ============================================
   超小屏断点 ≤480px
   ============================================ */
@media (max-width: 480px) {
  :root { --header-h: 52px; }
  .hero-slider { min-height: 380px; }
  .hero-slide h1 { font-size: 22px; letter-spacing: 3px; }
  .hero-slide h1 .hl { font-size: 26px; }
  .hero-slide .subtitle { font-size: 12px; }
  .hero-actions .btn { width: 160px; }
  .slide-dot { width: 20px; height: 3px; min-width: 20px; }
  .slide-dot.active { width: 28px; }

  .stats-grid { gap: 4px; }
  .stat-value { font-size: 20px; }
  .stat-label { font-size: 10px; }

  .product-grid { gap: 8px; }
  .product-card__image { height: 110px; }
  .product-card__body { padding: 8px 10px; }
  .product-card__name { font-size: 11px; }
  .product-card__price-value { font-size: 16px; }

  .product-card .btn--sm { font-size: 11px; }

  .detail-gallery__thumb { width: 48px; height: 48px; }
  .detail-gallery__main { aspect-ratio: 1; }

  .news-sidebar { grid-template-columns: 1fr; }

  .news-item { flex-direction: column; }
  .news-item__date { width: auto; display: flex; gap: 6px; align-items: baseline; }
  .news-item__date .day { font-size: 16px; }
  .news-item__date .month { font-size: 10px; }
}

/* ============================================
   联系我们 · 表单（新主题补充）
   ============================================ */
.contact-page { display: grid; grid-template-columns: 340px 1fr; gap: var(--space-xl); align-items: start; }
.contact-form { background: #fff; border: 1px solid var(--alpha-12); border-radius: var(--radius-lg); padding: var(--space-lg); }
.form-row { display: grid; grid-template-columns: 1fr 1fr; gap: var(--space-md); }
.form-group { margin-bottom: var(--space-md); }
.form-group:last-of-type { margin-bottom: 0; }
.form-label { display: block; font-size: 13px; color: var(--text-primary); margin-bottom: 6px; letter-spacing: 1px; }
.form-label .req { color: var(--color-brand-red); margin-left: 2px; }
.form-input, .form-textarea {
  width: 100%; height: 40px; padding: 0 12px;
  border: 1px solid var(--alpha-16); border-radius: var(--radius-sm);
  background: var(--color-bg); color: var(--text-primary);
  font-family: inherit; font-size: 14px; transition: border-color var(--transition-fast), box-shadow var(--transition-fast);
}
.form-textarea { height: 120px; padding: 10px 12px; resize: vertical; line-height: 1.7; }
.form-input:focus, .form-textarea:focus { outline: none; border-color: var(--color-primary); box-shadow: var(--shadow-focus); background: #fff; }
.form-hint { font-size: 12px; color: var(--text-tertiary); margin-top: 6px; }
.form-alert { padding: 10px 14px; border-radius: var(--radius-sm); font-size: 13px; margin-bottom: var(--space-md); line-height: 1.6; }
.form-alert--error { background: rgba(192,57,43,.08); border: 1px solid rgba(192,57,43,.3); color: var(--color-destructive); }
.form-alert--success { background: rgba(46,158,91,.08); border: 1px solid rgba(46,158,91,.3); color: var(--color-success); }
.contact-aside .contact-grid { grid-template-columns: 1fr; margin: 0; }
.contact-aside .section-head { text-align: left; margin-bottom: var(--space-md); }
.contact-aside .section-head .divider { margin-left: 0; }

@media (max-width: 768px) {
  .contact-page { grid-template-columns: 1fr; gap: var(--space-lg); }
  .form-row { grid-template-columns: 1fr; gap: 0; }
}

/* ============================================
   错误页 404 / 500（新主题补充）
   ============================================ */
.error-page {
  margin-top: var(--header-h);
  min-height: 60vh;
  display: flex; flex-direction: column; align-items: center; justify-content: center;
  text-align: center; padding: var(--space-2xl) 20px;
  background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-primary-dark) 100%);
  color: #fff; position: relative; overflow: hidden;
}
.error-page::before {
  content: '掼'; position: absolute; left: 50%; top: 50%; transform: translate(-50%,-50%);
  font-family: var(--font-serif); font-size: 320px; font-weight: 400;
  color: rgba(201,168,106,.04); pointer-events: none;
}
.error-page .container { position: relative; z-index: 1; }
.error-page__code { font-family: var(--font-serif); font-size: 96px; font-weight: 400; color: var(--color-gold-light); line-height: 1; letter-spacing: 8px; }
.error-page__title { font-family: var(--font-serif); font-size: 24px; font-weight: 400; letter-spacing: 4px; margin: var(--space-md) 0 var(--space-sm); }
.error-page__desc { font-size: 14px; color: rgba(255,255,255,.55); max-width: 480px; margin: 0 auto var(--space-lg); line-height: 1.8; }
.error-page__actions { display: flex; gap: 12px; justify-content: center; flex-wrap: wrap; }
.error-page .btn--outline { border-color: rgba(255,255,255,.3); color: rgba(255,255,255,.9); }
.error-page .btn--outline:hover { border-color: var(--color-gold-light); color: var(--color-gold-light); background: rgba(255,255,255,.04); }
.error-page .btn--gold { background: var(--color-gold-dark); color: #fff; }
.error-page .btn--gold:hover { background: var(--color-gold-light); color: var(--color-primary-dark); }

@media (max-width: 768px) {
  .error-page__code { font-size: 64px; letter-spacing: 4px; }
  .error-page::before { font-size: 200px; }
}

/* ===== 动态导航（后台 nav 表渲染） ===== */
.main-nav { display: flex; align-items: center; gap: 4px; }
.main-nav > a, .main-nav .nav-item > a { display: inline-block; padding: 8px 14px; color: var(--color-text, #333); text-decoration: none; font-size: 15px; border-radius: 6px; transition: color .2s, background .2s; }
.main-nav > a:hover, .main-nav .nav-item > a:hover { color: var(--color-primary, #1E3A5F); background: rgba(30,58,95,.06); }
.nav-item { position: relative; }
.nav-item.has-children > a::after { content: "▾"; margin-left: 4px; font-size: 11px; opacity: .7; }
.nav-submenu { position: absolute; top: 100%; left: 0; min-width: 180px; background: #fff; border: 1px solid #eee; border-radius: 8px; box-shadow: 0 8px 24px rgba(0,0,0,.1); padding: 8px 0; opacity: 0; visibility: hidden; transform: translateY(8px); transition: all .2s; z-index: 100; }
.nav-item.has-children:hover .nav-submenu, .nav-item.has-children:focus-within .nav-submenu { opacity: 1; visibility: visible; transform: translateY(0); }
.nav-submenu a { display: block; padding: 9px 18px; color: #444; text-decoration: none; font-size: 14px; white-space: nowrap; }
.nav-submenu a:hover { background: #f5f6f8; color: var(--color-primary, #1E3A5F); }
@media (max-width: 860px) {
  .main-nav { display: none; }
}

/* 友情链接 */
.footer-friendly-links {
  margin-top: 14px; padding-top: 12px;
  border-top: 1px solid rgba(255,255,255,.08);
  font-size: 13px; line-height: 2; color: rgba(255,255,255,.5);
  display: flex; flex-wrap: wrap; align-items: center; justify-content: center; gap: 6px;
}
.footer-friendly-links__label { color: rgba(255,255,255,.65); font-weight: 500; }
.footer-friendly-links a { color: rgba(255,255,255,.5); text-decoration: none; transition: color .2s; white-space: nowrap; }
.footer-friendly-links a:hover { color: var(--color-gold, #c9a227); }
.footer-friendly-links__sep { color: rgba(255,255,255,.18); }