/* ============================================================
   贝趣玩具 BEQU TOYS — 全站样式表
   纯静态本地化站点：无任何外部资源依赖
   ============================================================ */

/* ---------- 字体本地化 ---------- */
@font-face {
  font-family: 'Fredoka';
  src: url('../fonts/fredoka-latin-400.woff2') format('woff2');
  font-weight: 400;
  font-style: normal;
  font-display: swap;
}
@font-face {
  font-family: 'Fredoka';
  src: url('../fonts/fredoka-latin-500.woff2') format('woff2');
  font-weight: 500;
  font-style: normal;
  font-display: swap;
}
@font-face {
  font-family: 'Fredoka';
  src: url('../fonts/fredoka-latin-600.woff2') format('woff2');
  font-weight: 600;
  font-style: normal;
  font-display: swap;
}
@font-face {
  font-family: 'Fredoka';
  src: url('../fonts/fredoka-latin-700.woff2') format('woff2');
  font-weight: 700;
  font-style: normal;
  font-display: swap;
}
@font-face {
  font-family: 'ZCOOL KuaiLe';
  src: url('../fonts/zcool-kuaile-chinese-simplified-400.woff2') format('woff2');
  font-weight: 400;
  font-style: normal;
  font-display: swap;
}

/* ---------- 设计变量 ---------- */
:root {
  --primary: #FF6B35;
  --primary-deep: #EF571F;
  --primary-soft: #FFF0E8;
  --secondary: #12A594;
  --secondary-deep: #0E8A7B;
  --secondary-soft: #E6F7F4;
  --accent: #FFC145;
  --accent-soft: #FFF4D6;
  --ink: #2A2430;
  --ink-2: #4A4455;
  --muted: #7A7584;
  --bg: #FFFBF3;
  --surface: #FFFFFF;
  --line: #F1E7DA;
  --line-2: #E5D9C6;
  --radius-lg: 22px;
  --radius-md: 14px;
  --radius-sm: 9px;
  --shadow-sm: 0 2px 10px rgba(42, 36, 48, 0.06);
  --shadow-md: 0 10px 30px rgba(42, 36, 48, 0.10);
  --shadow-lg: 0 22px 50px rgba(42, 36, 48, 0.14);
  --font-display: 'Fredoka', 'ZCOOL KuaiLe', 'PingFang SC', 'Hiragino Sans GB', 'Microsoft YaHei', sans-serif;
  --font-body: 'PingFang SC', 'Hiragino Sans GB', 'Microsoft YaHei', 'Helvetica Neue', Arial, sans-serif;
  --ease: cubic-bezier(0.22, 1, 0.36, 1);
}

/* ---------- 基础重置 ---------- */
* { margin: 0; padding: 0; box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  font-family: var(--font-body);
  font-size: 16px;
  line-height: 1.75;
  color: var(--ink);
  background: var(--bg);
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}
/* 细微颗粒质感层 */
body::after {
  content: '';
  position: fixed;
  inset: 0;
  z-index: 9999;
  pointer-events: none;
  opacity: 0.04;
  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='0.9' numOctaves='2'/%3E%3C/filter%3E%3Crect width='160' height='160' filter='url(%23n)'/%3E%3C/svg%3E");
}
img { max-width: 100%; display: block; }
a { text-decoration: none; color: inherit; }
ul, ol { list-style: none; }
button { font-family: inherit; cursor: pointer; border: none; background: none; }
h1, h2, h3, h4 { font-family: var(--font-display); line-height: 1.3; font-weight: 600; letter-spacing: 0.01em; }
:focus-visible { outline: 2px solid var(--secondary); outline-offset: 3px; border-radius: 4px; }

.container { max-width: 1200px; margin: 0 auto; padding: 0 24px; }

/* ---------- 通用组件 ---------- */
.sec { padding: 92px 0; }
.sec--tint { background: var(--surface); }
.sec--soft { background: linear-gradient(180deg, #FFF7EA 0%, var(--bg) 100%); }
.sec-head { max-width: 640px; margin-bottom: 46px; }
.sec-head--center { margin-left: auto; margin-right: auto; text-align: center; }
.eyebrow {
  display: inline-flex; align-items: center; gap: 8px;
  font-size: 14px; font-weight: 600; color: var(--primary-deep);
  background: var(--primary-soft); border: 1px solid #FFD9C7;
  padding: 5px 14px; border-radius: 999px; margin-bottom: 16px;
}
.eyebrow::before { content: ''; width: 7px; height: 7px; border-radius: 50%; background: var(--primary); }
.sec-head h2 { font-size: clamp(28px, 3.4vw, 40px); font-weight: 600; color: var(--ink); }
.sec-head p { margin-top: 14px; color: var(--muted); font-size: 16px; }

.btn {
  display: inline-flex; align-items: center; gap: 10px;
  font-family: var(--font-body); font-size: 16px; font-weight: 600;
  padding: 14px 30px; border-radius: 999px; transition: all 0.25s var(--ease);
  border: 2px solid transparent;
}
.btn svg { width: 17px; height: 17px; transition: transform 0.25s var(--ease); }
.btn:hover svg { transform: translateX(4px); }
.btn-primary { background: var(--primary); color: #fff; box-shadow: 0 10px 24px rgba(255, 107, 53, 0.32); }
.btn-primary:hover { background: var(--primary-deep); transform: translateY(-2px); box-shadow: 0 14px 30px rgba(255, 107, 53, 0.4); }
.btn-ghost { border-color: var(--ink); color: var(--ink); background: transparent; }
.btn-ghost:hover { background: var(--ink); color: #fff; transform: translateY(-2px); }
.btn-light { background: #fff; color: var(--primary-deep); }
.btn-light:hover { transform: translateY(-2px); box-shadow: var(--shadow-md); }

.tag {
  display: inline-block; font-size: 13px; font-weight: 600;
  padding: 4px 12px; border-radius: 999px; letter-spacing: 0.02em;
}
.tag--primary { background: var(--primary-soft); color: var(--primary-deep); }
.tag--secondary { background: var(--secondary-soft); color: var(--secondary-deep); }
.tag--accent { background: var(--accent-soft); color: #A87A00; }

/* ---------- 顶栏 ---------- */
.topbar { background: var(--ink); color: #CFC9D6; font-size: 13.5px; }
.topbar .container { display: flex; align-items: center; justify-content: space-between; min-height: 40px; gap: 16px; }
.topbar a { display: inline-flex; align-items: center; gap: 7px; transition: color 0.2s; }
.topbar a:hover { color: #fff; }
.topbar svg { width: 14px; height: 14px; stroke: var(--accent); }
.topbar .tb-left, .topbar .tb-right { display: flex; align-items: center; gap: 26px; }

/* ---------- 头部导航 ---------- */
.header {
  position: sticky; top: 0; z-index: 100;
  background: rgba(255, 251, 243, 0.92);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border-bottom: 1px solid transparent;
  transition: box-shadow 0.3s, border-color 0.3s;
}
.header.scrolled { border-color: var(--line); box-shadow: 0 6px 24px rgba(42, 36, 48, 0.07); }
.header .container { display: flex; align-items: center; justify-content: space-between; min-height: 78px; gap: 20px; }

.brand { display: flex; align-items: center; gap: 12px; }
.brand-mark {
  width: 50px; height: 50px; border-radius: 16px; background: var(--surface);
  display: grid; place-items: center; box-shadow: var(--shadow-sm);
  border: 1px solid var(--line);
}
.brand-mark img { width: 38px; height: 38px; }
.brand-text { line-height: 1.15; }
.brand-text strong { display: block; font-family: var(--font-display); font-size: 23px; color: var(--ink); font-weight: 600; }
.brand-text small { font-family: var(--font-display); font-size: 12px; letter-spacing: 0.22em; color: var(--primary-deep); font-weight: 500; }

.nav { display: flex; align-items: center; gap: 6px; }
.nav a {
  position: relative; padding: 9px 16px; font-size: 15.5px; font-weight: 500;
  color: var(--ink-2); border-radius: 999px; transition: color 0.2s, background 0.2s;
}
.nav a:hover { color: var(--primary-deep); background: var(--primary-soft); }
.nav a.active { color: var(--primary-deep); font-weight: 600; background: var(--primary-soft); }
.nav a.active::after {
  content: ''; position: absolute; left: 16px; right: 16px; bottom: 3px;
  height: 3px; border-radius: 3px; background: var(--primary);
}
.header-cta { display: inline-flex; align-items: center; gap: 8px; font-size: 15px; font-weight: 600; color: #fff;
  background: var(--primary); padding: 11px 24px; border-radius: 999px; transition: all 0.25s var(--ease); }
.header-cta:hover { background: var(--primary-deep); transform: translateY(-1px); box-shadow: 0 10px 22px rgba(255, 107, 53, 0.35); }
.header-cta svg { width: 16px; height: 16px; }

.nav-toggle { display: none; width: 44px; height: 44px; border-radius: 12px; border: 1px solid var(--line-2); align-items: center; justify-content: center; }
.nav-toggle svg { width: 22px; height: 22px; stroke: var(--ink); }
.nav-toggle[aria-expanded="true"] .icon-open { display: none; }
.nav-toggle[aria-expanded="true"] .icon-close { display: block; }
.nav-toggle .icon-close { display: none; }

/* ---------- 首页 Hero ---------- */
.hero {
  position: relative;
  display: flex; align-items: center;
  min-height: 620px;
  padding: 118px 0 96px;
  background:
    linear-gradient(100deg, var(--bg) 0%, rgba(255, 251, 243, 0.95) 34%, rgba(255, 251, 243, 0.62) 58%, rgba(255, 251, 243, 0.14) 82%, rgba(255, 251, 243, 0) 100%),
    url('../images/hero.jpg') center / cover no-repeat;
  overflow: hidden;
}
.hero-inner { max-width: 700px; position: relative; z-index: 2; }
.hero-chip {
  display: inline-flex; align-items: center; gap: 9px;
  background: rgba(255, 255, 255, 0.85); border: 1px solid var(--line-2);
  padding: 7px 16px; border-radius: 999px; font-size: 14px; font-weight: 600; color: var(--secondary-deep);
  box-shadow: var(--shadow-sm); margin-bottom: 22px;
}
.hero-chip .dot { width: 8px; height: 8px; border-radius: 50%; background: var(--secondary); }
.hero h1 { font-size: clamp(32px, 4.2vw, 48px); font-weight: 600; color: var(--ink); letter-spacing: 0.01em; text-wrap: balance; }
.hero h1 em { font-style: normal; color: var(--primary-deep); position: relative; }
.hero h1 em::after {
  content: ''; position: absolute; left: 0; right: 0; bottom: 4px; height: 12px;
  background: var(--accent); opacity: 0.5; border-radius: 6px; z-index: -1;
}
.hero-desc { margin: 22px 0 34px; font-size: 17px; color: var(--ink-2); max-width: 540px; }
.hero-actions { display: flex; flex-wrap: wrap; gap: 16px; }
.hero-trust { display: flex; flex-wrap: wrap; gap: 26px; margin-top: 44px; }
.hero-trust li { display: flex; align-items: center; gap: 9px; font-size: 14px; font-weight: 500; color: var(--ink-2); }
.hero-trust svg { width: 18px; height: 18px; color: var(--secondary); flex: none; }

/* ---------- 数据条 ---------- */
.stats { background: var(--ink); color: #fff; }
.stats .container { display: grid; grid-template-columns: repeat(4, 1fr); gap: 40px; padding-top: 56px; padding-bottom: 56px; }
.stat { text-align: center; position: relative; }
.stat + .stat::before { content: ''; position: absolute; left: -20px; top: 12%; bottom: 12%; width: 1px; background: rgba(255,255,255,0.14); }
.stat-num { font-family: var(--font-display); font-size: clamp(34px, 4vw, 48px); font-weight: 600; color: var(--accent); line-height: 1.1; }
.stat-num .unit { font-size: 0.55em; color: #fff; margin-left: 2px; }
.stat-label { margin-top: 8px; font-size: 15px; color: #B9B3C4; }

/* ---------- 首页分类卡片 ---------- */
.cat-grid { display: grid; grid-template-columns: repeat(5, 1fr); gap: 22px; }
.cat-card {
  position: relative; border-radius: var(--radius-lg); overflow: hidden;
  background: var(--surface); box-shadow: var(--shadow-sm);
  border: 1px solid var(--line); transition: transform 0.35s var(--ease), box-shadow 0.35s var(--ease);
  display: block;
}
.cat-card:hover { transform: translateY(-8px); box-shadow: var(--shadow-md); }
.cat-card .thumb { aspect-ratio: 1 / 1; overflow: hidden; }
.cat-card .thumb img { width: 100%; height: 100%; object-fit: cover; transition: transform 0.6s var(--ease); }
.cat-card:hover .thumb img { transform: scale(1.07); }
.cat-card .body { padding: 18px 18px 20px; display: flex; flex-direction: column; align-items: flex-start; }
.cat-card h3 { font-size: 19px; color: var(--ink); margin-bottom: 4px; }
.cat-card .cnt { font-size: 13px; color: var(--muted); display: block; }
.cat-card .more { display: inline-flex; align-items: center; gap: 6px; margin-top: 12px; font-size: 14px; font-weight: 600; color: var(--primary-deep); }
.cat-card .more svg { width: 15px; height: 15px; transition: transform 0.25s var(--ease); }
.cat-card:hover .more svg { transform: translateX(4px); }
.cat-num { position: absolute; top: 14px; right: 14px; background: rgba(255,255,255,0.92); color: var(--primary-deep);
  font-family: var(--font-display); font-size: 13px; font-weight: 600; padding: 4px 10px; border-radius: 999px; z-index: 2; }

/* ---------- 首页优势卡片 ---------- */
.feat-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 24px; }
.feat-card {
  background: var(--surface); border: 1px solid var(--line); border-radius: var(--radius-lg);
  padding: 32px 26px; transition: transform 0.3s var(--ease), box-shadow 0.3s var(--ease), border-color 0.3s;
}
.feat-card:hover { transform: translateY(-6px); box-shadow: var(--shadow-md); border-color: #F5C9B6; }
.feat-ico {
  width: 56px; height: 56px; border-radius: 17px; display: grid; place-items: center; margin-bottom: 20px;
}
.feat-ico svg { width: 28px; height: 28px; }
.feat-ico--1 { background: var(--primary-soft); color: var(--primary-deep); }
.feat-ico--2 { background: var(--secondary-soft); color: var(--secondary-deep); }
.feat-ico--3 { background: var(--accent-soft); color: #B07E00; }
.feat-ico--4 { background: #EFE8FF; color: #6C4FD8; }
.feat-card h3 { font-size: 20px; margin-bottom: 10px; }
.feat-card p { font-size: 14.5px; color: var(--muted); }
.feat-card .feat-stat { margin-top: 16px; font-family: var(--font-display); font-size: 15px; font-weight: 600; color: var(--ink-2); }
.feat-card .feat-stat b { color: var(--primary-deep); font-weight: 600; }

/* ---------- 首页制造实力 ---------- */
.factory { display: grid; grid-template-columns: 1.06fr 1fr; gap: 64px; align-items: center; }
.factory-media { position: relative; }
.factory-media .main-img { border-radius: var(--radius-lg); box-shadow: var(--shadow-md); width: 100%; aspect-ratio: 16 / 10; object-fit: cover; }
.factory-badge {
  position: absolute; right: -18px; bottom: 34px; background: var(--surface);
  border-radius: var(--radius-md); box-shadow: var(--shadow-lg); padding: 16px 22px;
  border: 1px solid var(--line); display: flex; align-items: center; gap: 14px;
}
.factory-badge .bd-ico { width: 44px; height: 44px; border-radius: 13px; background: var(--secondary-soft); color: var(--secondary-deep); display: grid; place-items: center; }
.factory-badge .bd-ico svg { width: 24px; height: 24px; }
.factory-badge b { display: block; font-family: var(--font-display); font-size: 17px; }
.factory-badge span { font-size: 12.5px; color: var(--muted); }
.factory-body h2 { font-size: clamp(26px, 3vw, 36px); margin-bottom: 18px; }
.factory-body > p { color: var(--muted); margin-bottom: 24px; }
.factory-list { display: grid; gap: 14px; margin-bottom: 30px; }
.factory-list li { display: flex; gap: 12px; align-items: flex-start; font-size: 15px; color: var(--ink-2); }
.factory-list svg { width: 21px; height: 21px; color: var(--secondary); flex: none; margin-top: 2px; }

/* ---------- 首页新闻卡片 ---------- */
.news-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px; }
.news-card {
  background: var(--surface); border: 1px solid var(--line); border-radius: var(--radius-lg);
  overflow: hidden; transition: transform 0.3s var(--ease), box-shadow 0.3s var(--ease); display: flex; flex-direction: column;
}
.news-card:hover { transform: translateY(-6px); box-shadow: var(--shadow-md); }
.news-card .thumb { position: relative; aspect-ratio: 4 / 2.6; overflow: hidden; }
.news-card .thumb img { width: 100%; height: 100%; object-fit: cover; transition: transform 0.6s var(--ease); }
.news-card:hover .thumb img { transform: scale(1.06); }
.news-card .date {
  position: absolute; left: 16px; bottom: 14px; background: rgba(42,36,48,0.82); color: #fff;
  font-size: 13px; font-weight: 500; padding: 5px 12px; border-radius: 999px; letter-spacing: 0.03em;
}
.news-card .body { padding: 22px 24px 24px; display: flex; flex-direction: column; flex: 1; }
.news-card h3 { font-size: 18.5px; line-height: 1.45; margin: 10px 0 10px; }
.news-card .body p { font-size: 14px; color: var(--muted); flex: 1; }
.news-card .more { margin-top: 16px; display: inline-flex; align-items: center; gap: 6px; font-size: 14px; font-weight: 600; color: var(--primary-deep); }
.news-card .more svg { width: 15px; height: 15px; transition: transform 0.25s var(--ease); }
.news-card:hover .more svg { transform: translateX(4px); }

/* ---------- CTA 横幅 ---------- */
.cta-band {
  position: relative; overflow: hidden;
  background: linear-gradient(115deg, var(--primary) 0%, #FF8A5C 55%, var(--accent) 130%);
  border-radius: var(--radius-lg); padding: 58px 60px; color: #fff;
  display: flex; align-items: center; justify-content: space-between; gap: 32px; flex-wrap: wrap;
}
.cta-band::before {
  content: ''; position: absolute; width: 320px; height: 320px; right: -90px; top: -130px;
  border-radius: 50%; background: rgba(255,255,255,0.14);
}
.cta-band::after {
  content: ''; position: absolute; width: 180px; height: 180px; right: 160px; bottom: -110px;
  border-radius: 50%; background: rgba(255,255,255,0.1);
}
.cta-band h2 { font-size: clamp(24px, 3vw, 34px); font-weight: 600; margin-bottom: 10px; }
.cta-band p { font-size: 15.5px; opacity: 0.92; }
.cta-band .btn { position: relative; z-index: 2; }

/* ---------- 内页横幅 ---------- */
.page-hero {
  position: relative; padding: 86px 0 72px; overflow: hidden;
  background: linear-gradient(115deg, #FFF3E3 0%, var(--bg) 55%, #FFF6E8 100%);
  border-bottom: 1px solid var(--line);
}
.page-hero::before {
  content: ''; position: absolute; width: 460px; height: 460px; right: -140px; top: -200px;
  border-radius: 50%; background: radial-gradient(circle, rgba(255,193,69,0.35) 0%, rgba(255,193,69,0) 70%);
}
.page-hero::after {
  content: ''; position: absolute; width: 300px; height: 300px; left: -110px; bottom: -160px;
  border-radius: 50%; background: radial-gradient(circle, rgba(18,165,148,0.22) 0%, rgba(18,165,148,0) 70%);
}
.page-hero h1 { font-size: clamp(30px, 4vw, 44px); color: var(--ink); position: relative; z-index: 2; }
.page-hero .crumb { display: flex; align-items: center; gap: 10px; margin-top: 14px; font-size: 14px; color: var(--muted); position: relative; z-index: 2; }
.page-hero .crumb a { transition: color 0.2s; }
.page-hero .crumb a:hover { color: var(--primary-deep); }
.page-hero .crumb .sep { color: var(--line-2); }
.page-hero .crumb .cur { color: var(--primary-deep); font-weight: 600; }

/* ---------- 产品筛选 ---------- */
.filter-bar { display: flex; flex-wrap: wrap; gap: 12px; margin-bottom: 40px; }
.filter-chip {
  font-size: 14.5px; font-weight: 600; color: var(--ink-2); padding: 10px 22px;
  border-radius: 999px; border: 1.5px solid var(--line-2); background: var(--surface);
  transition: all 0.22s var(--ease);
}
.filter-chip:hover { border-color: var(--primary); color: var(--primary-deep); }
.filter-chip.active { background: var(--primary); border-color: var(--primary); color: #fff; box-shadow: 0 8px 18px rgba(255,107,53,0.3); }

/* ---------- 产品卡片 ---------- */
.prod-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 26px; }
.prod-card {
  background: var(--surface); border: 1px solid var(--line); border-radius: var(--radius-lg);
  overflow: hidden; transition: transform 0.3s var(--ease), box-shadow 0.3s var(--ease);
}
.prod-card:hover { transform: translateY(-6px); box-shadow: var(--shadow-md); }
.prod-card .thumb { aspect-ratio: 4 / 3; overflow: hidden; position: relative; }
.prod-card .thumb img { width: 100%; height: 100%; object-fit: cover; transition: transform 0.6s var(--ease); }
.prod-card:hover .thumb img { transform: scale(1.06); }
.prod-card .thumb .tag { position: absolute; left: 14px; top: 14px; background: rgba(255,255,255,0.94); color: var(--primary-deep); box-shadow: var(--shadow-sm); }
.prod-card .body { padding: 22px 24px 24px; }
.prod-card h3 { font-size: 19px; margin-bottom: 8px; }
.prod-card .body > p { font-size: 14px; color: var(--muted); margin-bottom: 16px; }
.prod-specs { border-top: 1px dashed var(--line-2); padding-top: 14px; display: grid; gap: 7px; }
.prod-specs li { display: flex; justify-content: space-between; font-size: 13.5px; }
.prod-specs li span { color: var(--muted); }
.prod-specs li b { font-weight: 600; color: var(--ink-2); }
.prod-foot { margin-top: 16px; display: flex; align-items: center; justify-content: space-between; }
.prod-foot .tag { font-size: 12px; }
.prod-foot .sku { font-size: 13px; color: var(--muted); }

/* ---------- 步骤流程 ---------- */
.steps { display: grid; grid-template-columns: repeat(4, 1fr); gap: 26px; counter-reset: step; }
.step {
  position: relative; background: var(--surface); border: 1px solid var(--line);
  border-radius: var(--radius-lg); padding: 30px 26px 28px; transition: transform 0.3s var(--ease), box-shadow 0.3s var(--ease);
}
.step:hover { transform: translateY(-6px); box-shadow: var(--shadow-md); }
.step .num {
  width: 46px; height: 46px; border-radius: 14px; display: grid; place-items: center;
  background: var(--ink); color: var(--accent); font-family: var(--font-display); font-size: 19px; font-weight: 600;
  margin-bottom: 18px;
}
.step:nth-child(2) .num { background: var(--primary); color: #fff; }
.step:nth-child(3) .num { background: var(--secondary); color: #fff; }
.step:nth-child(4) .num { background: var(--accent); color: #7A5A00; }
.step h3 { font-size: 18.5px; margin-bottom: 8px; }
.step p { font-size: 14px; color: var(--muted); }

/* ---------- 关于：公司简介 ---------- */
.about-intro { display: grid; grid-template-columns: 1fr 1.04fr; gap: 60px; align-items: center; }
.about-intro .media { position: relative; }
.about-intro .media img { border-radius: var(--radius-lg); box-shadow: var(--shadow-md); width: 100%; aspect-ratio: 4 / 3; object-fit: cover; }
.about-intro .media .exp-badge {
  position: absolute; left: -16px; bottom: 30px; background: var(--primary); color: #fff;
  border-radius: var(--radius-md); padding: 16px 24px; box-shadow: var(--shadow-lg);
}
.about-intro .media .exp-badge b { display: block; font-family: var(--font-display); font-size: 30px; line-height: 1; }
.about-intro .media .exp-badge span { font-size: 13px; opacity: 0.92; }
.about-intro h2 { font-size: clamp(26px, 3vw, 36px); margin-bottom: 18px; }
.about-intro .lead { font-size: 17px; color: var(--ink-2); margin-bottom: 18px; }
.about-intro p { color: var(--muted); margin-bottom: 14px; }
.about-intro .quote {
  border-left: 4px solid var(--primary); background: var(--primary-soft);
  padding: 16px 20px; border-radius: 0 var(--radius-md) var(--radius-md) 0; margin-top: 20px;
  font-size: 15px; color: var(--ink-2);
}

/* ---------- 发展历程时间轴 ---------- */
.timeline { display: grid; grid-template-columns: 128px 48px 1fr; max-width: 860px; }
.tl-item { display: contents; }
.tl-year { padding-top: 7px; text-align: right; font-family: var(--font-display); font-weight: 600; font-size: 19px; color: var(--primary-deep); }
.tl-axis { position: relative; display: grid; justify-items: center; }
.tl-axis::before { content: ''; position: absolute; top: 0; bottom: 0; left: 50%; width: 2px; transform: translateX(-50%); background: var(--line-2); }
.tl-dot { width: 15px; height: 15px; border-radius: 50%; background: var(--surface); border: 3px solid var(--primary); align-self: center; z-index: 1; box-shadow: 0 0 0 3px var(--bg); }
.tl-content { padding: 0 0 34px 14px; }
.tl-content h3 { font-size: 17.5px; margin-bottom: 6px; }
.tl-content p { font-size: 14px; color: var(--muted); }
.tl-item:last-child .tl-content { padding-bottom: 0; }

/* ---------- 关于：工厂图集 ---------- */
.gal-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 26px; }
.gal-card { border-radius: var(--radius-lg); overflow: hidden; background: var(--surface); border: 1px solid var(--line); box-shadow: var(--shadow-sm); transition: transform 0.3s var(--ease), box-shadow 0.3s var(--ease); }
.gal-card:hover { transform: translateY(-6px); box-shadow: var(--shadow-md); }
.gal-card .thumb { aspect-ratio: 4 / 3; overflow: hidden; }
.gal-card .thumb img { width: 100%; height: 100%; object-fit: cover; transition: transform 0.6s var(--ease); }
.gal-card:hover .thumb img { transform: scale(1.06); }
.gal-card .body { padding: 18px 22px 20px; }
.gal-card h3 { font-size: 17px; margin-bottom: 6px; }
.gal-card p { font-size: 13.5px; color: var(--muted); }

/* ---------- 资质认证 ---------- */
.cert-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 22px; }
.cert-card {
  background: var(--surface); border: 1px solid var(--line); border-radius: var(--radius-lg);
  padding: 28px 24px; text-align: center; transition: transform 0.3s var(--ease), box-shadow 0.3s var(--ease), border-color 0.3s;
}
.cert-card:hover { transform: translateY(-6px); box-shadow: var(--shadow-md); border-color: #BFE7E0; }
.cert-ico { width: 54px; height: 54px; margin: 0 auto 16px; border-radius: 16px; display: grid; place-items: center; background: var(--secondary-soft); color: var(--secondary-deep); }
.cert-ico svg { width: 28px; height: 28px; }
.cert-card h3 { font-size: 17.5px; margin-bottom: 6px; }
.cert-card p { font-size: 13px; color: var(--muted); }

/* ---------- 企业文化 ---------- */
.culture-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px; }
.culture-card { border-radius: var(--radius-lg); padding: 36px 30px; color: #fff; position: relative; overflow: hidden; }
.culture-card::after { content: ''; position: absolute; width: 180px; height: 180px; right: -60px; top: -70px; border-radius: 50%; background: rgba(255,255,255,0.12); }
.culture-card--1 { background: linear-gradient(135deg, var(--primary) 0%, #FF8A5C 100%); }
.culture-card--2 { background: linear-gradient(135deg, var(--secondary) 0%, #2BC0AE 100%); }
.culture-card--3 { background: linear-gradient(135deg, #5B4BC4 0%, #7C6BE0 100%); }
.culture-card .c-ico { width: 48px; height: 48px; border-radius: 14px; background: rgba(255,255,255,0.18); display: grid; place-items: center; margin-bottom: 18px; }
.culture-card .c-ico svg { width: 26px; height: 26px; }
.culture-card h3 { font-size: 21px; margin-bottom: 10px; }
.culture-card p { font-size: 14.5px; opacity: 0.92; }

/* ---------- 新闻列表 ---------- */
.news-list { display: grid; gap: 22px; max-width: 900px; }
.news-item {
  background: var(--surface); border: 1px solid var(--line); border-radius: var(--radius-lg);
  overflow: hidden; transition: box-shadow 0.3s var(--ease);
}
.news-item:hover { box-shadow: var(--shadow-md); }
.news-item .top { display: grid; grid-template-columns: 250px 1fr; }
.news-item .thumb { position: relative; min-height: 168px; }
.news-item .thumb img { position: absolute; inset: 0; width: 100%; height: 100%; object-fit: cover; }
.news-item .head { padding: 22px 28px 4px; }
.news-item .meta { display: flex; align-items: center; gap: 14px; font-size: 13px; color: var(--muted); }
.news-item .meta time { font-family: var(--font-display); font-weight: 500; }
.news-item h3 { font-size: 20px; margin-top: 10px; cursor: pointer; transition: color 0.2s; }
.news-item h3:hover { color: var(--primary-deep); }
.news-item .summary { padding: 8px 28px 0; font-size: 14.5px; color: var(--muted); }
.news-item .news-body { padding: 0 28px; max-height: 0; overflow: hidden; transition: max-height 0.45s var(--ease), padding 0.45s var(--ease), opacity 0.35s; opacity: 0; }
.news-item.open .news-body { max-height: 620px; padding: 16px 28px 6px; opacity: 1; }
.news-item .news-body p { font-size: 14.5px; color: var(--ink-2); margin-bottom: 10px; }
.news-item .news-body ul { margin: 4px 0 12px; padding-left: 4px; display: grid; gap: 6px; }
.news-item .news-body li { position: relative; padding-left: 20px; font-size: 14px; color: var(--ink-2); }
.news-item .news-body li::before { content: ''; position: absolute; left: 4px; top: 10px; width: 6px; height: 6px; border-radius: 50%; background: var(--primary); }
.news-item .toggle { display: inline-flex; align-items: center; gap: 8px; margin: 14px 28px 22px; font-size: 14px; font-weight: 600; color: var(--primary-deep); }
.news-item .toggle svg { width: 16px; height: 16px; transition: transform 0.3s var(--ease); }
.news-item.open .toggle svg { transform: rotate(180deg); }

/* ---------- 联系我们 ---------- */
.contact-cards { display: grid; grid-template-columns: repeat(4, 1fr); gap: 22px; }
.contact-card {
  background: var(--surface); border: 1px solid var(--line); border-radius: var(--radius-lg);
  padding: 30px 26px; transition: transform 0.3s var(--ease), box-shadow 0.3s var(--ease);
}
.contact-card:hover { transform: translateY(-6px); box-shadow: var(--shadow-md); }
.contact-card .c-ico { width: 52px; height: 52px; border-radius: 15px; display: grid; place-items: center; background: var(--primary-soft); color: var(--primary-deep); margin-bottom: 16px; }
.contact-card .c-ico svg { width: 26px; height: 26px; }
.contact-card h3 { font-size: 17px; margin-bottom: 8px; }
.contact-card p, .contact-card a { font-size: 14px; color: var(--muted); line-height: 1.8; display: block; }
.contact-card a:hover { color: var(--primary-deep); }
.contact-card .sub { font-size: 12.5px; color: var(--muted); margin-top: 10px; padding-top: 10px; border-top: 1px dashed var(--line-2); }

.coop-wrap { display: grid; grid-template-columns: 1fr 1.15fr; gap: 60px; align-items: start; }
.coop-wrap .sec-head { margin-bottom: 30px; }
.coop-wrap .sec-head h2 { font-size: clamp(24px, 2.8vw, 32px); }
.coop-wrap p { color: var(--muted); font-size: 15px; margin-bottom: 16px; }
.coop-list { display: grid; gap: 12px; }
.coop-list li { display: flex; gap: 12px; font-size: 14.5px; color: var(--ink-2); }
.coop-list svg { width: 20px; height: 20px; color: var(--secondary); flex: none; margin-top: 3px; }

/* ---------- 页脚 ---------- */
.footer { background: var(--ink); color: #C9C3D4; margin-top: 92px; }
.footer .container { padding-top: 64px; padding-bottom: 0; }
.footer-grid { display: grid; grid-template-columns: 1.5fr 1fr 1fr 1.3fr; gap: 48px; padding-bottom: 48px; }
.footer h4 { font-size: 16.5px; color: #fff; margin-bottom: 20px; font-weight: 600; }
.footer .f-brand { display: flex; align-items: center; gap: 12px; margin-bottom: 18px; }
.footer .f-brand .brand-mark { background: #332D3C; border-color: #453E52; }
.footer .f-brand strong { display: block; font-family: var(--font-display); font-size: 22px; color: #fff; }
.footer .f-brand small { font-family: var(--font-display); font-size: 12px; letter-spacing: 0.22em; color: var(--accent); }
.footer .f-desc { font-size: 14px; line-height: 1.9; max-width: 320px; }
.footer ul { display: grid; gap: 11px; }
.footer ul a { font-size: 14.5px; transition: color 0.2s, padding-left 0.2s; }
.footer ul a:hover { color: var(--accent); padding-left: 5px; }
.footer .f-contact li { display: flex; gap: 10px; font-size: 14px; align-items: flex-start; }
.footer .f-contact svg { width: 17px; height: 17px; color: var(--accent); flex: none; margin-top: 4px; }
.footer-bottom { border-top: 1px solid rgba(255,255,255,0.1); padding: 22px 0; display: flex; align-items: center; justify-content: space-between; gap: 16px; flex-wrap: wrap; font-size: 13px; color: #8F899C; }
.footer-bottom a { color: #B9B3C4; }
.footer-bottom a:hover { color: #fff; }

/* ---------- 入场动画 ---------- */
.reveal { opacity: 0; transform: translateY(22px); transition: opacity 0.7s var(--ease), transform 0.7s var(--ease); }
.reveal.in-view { opacity: 1; transform: none; }
.reveal-delay-1 { transition-delay: 0.08s; }
.reveal-delay-2 { transition-delay: 0.16s; }
.reveal-delay-3 { transition-delay: 0.24s; }

/* ---------- 响应式 ---------- */
@media (max-width: 1024px) {
  .cat-grid { grid-template-columns: repeat(3, 1fr); }
  .feat-grid { grid-template-columns: repeat(2, 1fr); }
  .cert-grid { grid-template-columns: repeat(3, 1fr); }
  .prod-grid { grid-template-columns: repeat(2, 1fr); }
  .footer-grid { grid-template-columns: 1fr 1fr; gap: 36px; }
  .factory { grid-template-columns: 1fr; gap: 40px; }
  .factory-media .main-img { max-height: 420px; }
  .steps { grid-template-columns: repeat(2, 1fr); }
  .contact-cards { grid-template-columns: repeat(2, 1fr); }
  .coop-wrap { grid-template-columns: 1fr; gap: 44px; }
  .news-item .top { grid-template-columns: 200px 1fr; }
}

@media (max-width: 768px) {
  .sec { padding: 64px 0; }
  .topbar .tb-right { display: none; }
  .header .container { min-height: 68px; }
  .nav-toggle { display: flex; }
  .header-cta { display: none; }
  .nav {
    position: fixed; top: 68px; left: 0; right: 0; z-index: 99;
    flex-direction: column; align-items: stretch; gap: 4px;
    background: var(--surface); border-bottom: 1px solid var(--line);
    box-shadow: var(--shadow-md); padding: 16px 24px 22px;
    transform: translateY(-12px); opacity: 0; visibility: hidden;
    transition: all 0.3s var(--ease);
  }
  .nav.open { transform: none; opacity: 1; visibility: visible; }
  .nav a { padding: 13px 16px; font-size: 16px; }
  .nav a.active::after { display: none; }
  .hero { min-height: 0; padding: 84px 0 72px; background: linear-gradient(180deg, var(--bg) 0%, rgba(255,251,243,0.9) 55%, rgba(255,251,243,0.55) 100%), url('../images/hero.jpg') center / cover no-repeat; }
  .hero-inner { max-width: 100%; }
  .hero-trust { gap: 16px; }
  .stats .container { grid-template-columns: repeat(2, 1fr); gap: 30px; }
  .stat + .stat::before { display: none; }
  .cat-grid { grid-template-columns: repeat(2, 1fr); }
  .news-grid { grid-template-columns: 1fr; }
  .feat-grid { grid-template-columns: 1fr; }
  .gal-grid { grid-template-columns: 1fr; }
  .cert-grid { grid-template-columns: repeat(2, 1fr); }
  .culture-grid { grid-template-columns: 1fr; }
  .prod-grid { grid-template-columns: 1fr; }
  .steps { grid-template-columns: 1fr; }
  .contact-cards { grid-template-columns: 1fr; }
  .cta-band { padding: 40px 28px; }
  .factory-badge { right: 12px; bottom: 16px; }
  .about-intro { grid-template-columns: 1fr; gap: 40px; }
  .about-intro .media .exp-badge { left: 12px; }
  .timeline { grid-template-columns: 82px 36px 1fr; }
  .news-item .top { grid-template-columns: 1fr; }
  .news-item .thumb { min-height: 200px; }
  .footer { margin-top: 64px; }
  .footer-grid { grid-template-columns: 1fr; gap: 32px; }
  .footer-bottom { flex-direction: column; text-align: center; }
}

@media (max-width: 480px) {
  .cat-grid { grid-template-columns: 1fr; }
  .cert-grid { grid-template-columns: 1fr 1fr; gap: 14px; }
  .hero-actions .btn { width: 100%; justify-content: center; }
  .topbar { font-size: 12.5px; }
  .topbar .tb-left { gap: 14px; }
}

/* 减弱动效偏好 */
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after { animation-duration: 0.001s !important; transition-duration: 0.001s !important; }
  .reveal { opacity: 1; transform: none; }
}