/* ============================================================
   鼎晟控股 — 主样式表
   设计系统：深蓝(#0B1A2E) + 金色(#C9A84C) + 白 + 银灰
   风格：企业年报/白皮书，大气专业
   字体：Noto Serif SC（标题）+ Noto Sans SC（正文）Google Fonts
   ============================================================ */


/* ===== CSS 变量 ===== */
:root {
  --bg-primary: #0B1A2E;
  --bg-secondary: #0D1F35;
  --bg-tertiary: #0F2540;
  --bg-card: rgba(255, 255, 255, 0.03);
  --bg-card-hover: rgba(255, 255, 255, 0.06);
  --gold: #C9A84C;
  --gold-light: #D4B96A;
  --gold-dark: #A88D3A;
  --gold-glow: rgba(201, 168, 76, 0.15);
  --text-primary: #FFFFFF;
  --text-secondary: #B0B8C1;
  --text-muted: #6B7280;
  --border-subtle: rgba(255, 255, 255, 0.08);
  --border-medium: rgba(255, 255, 255, 0.12);
  --border-gold: rgba(201, 168, 76, 0.3);
  --border-gold-light: rgba(201, 168, 76, 0.15);
  --font-heading: 'Noto Serif SC', 'STSong', 'SimSun', 'Georgia', serif;
  --font-body: 'Noto Sans SC', 'PingFang SC', 'Microsoft YaHei', 'Hiragino Sans GB', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
  --radius-sm: 3px;
  --radius-md: 6px;
  --radius-lg: 12px;
  --container: 1200px;
  --header-height: 72px;
  --transition: 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

/* ===== Reset & Base ===== */
*, *::before, *::after { margin: 0; padding: 0; box-sizing: border-box; }
html { scroll-behavior: smooth; font-size: 16px; }
body {
  font-family: var(--font-body);
  background: var(--bg-primary);
  color: var(--text-primary);
  line-height: 1.7;
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}
a { text-decoration: none; color: inherit; transition: var(--transition); }
ul, ol { list-style: none; }
img { max-width: 100%; height: auto; display: block; }
img[data-src] { opacity: 1; transition: opacity 0.5s; }
.container { max-width: var(--container); margin: 0 auto; padding: 0 24px; }
.section { padding: 100px 0; position: relative; }

/* ===== 排版 ===== */
.section-tag {
  display: inline-block;
  font-size: 0.75rem;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--gold);
  margin-bottom: 12px;
  font-family: var(--font-body);
  font-weight: 600;
}
.section-tag::before { content: ''; display: inline-block; width: 24px; height: 1px; background: var(--gold); margin-right: 12px; vertical-align: middle; }
.section-title {
  font-family: var(--font-heading);
  font-size: 2.4rem;
  font-weight: 700;
  color: var(--text-primary);
  margin-bottom: 16px;
  line-height: 1.3;
}
.section-subtitle {
  font-size: 1rem;
  color: var(--text-secondary);
  max-width: 600px;
  line-height: 1.8;
}

/* ===== 按钮系统 ===== */
.btn {
  display: inline-flex; align-items: center; gap: 8px;
  padding: 12px 28px; font-size: 0.9rem; font-weight: 600;
  border-radius: var(--radius-sm); cursor: pointer;
  transition: var(--transition); border: 1px solid transparent;
  font-family: var(--font-body); letter-spacing: 0.02em;
}
.btn--primary {
  background: var(--gold); color: var(--bg-primary); border-color: var(--gold);
}
.btn--primary:hover { background: var(--gold-light); transform: translateY(-1px); box-shadow: 0 8px 24px var(--gold-glow); }
.btn--outline {
  background: transparent; color: var(--gold); border-color: var(--gold);
}
.btn--outline:hover { background: var(--gold); color: var(--bg-primary); }
.btn--ghost {
  background: transparent; color: var(--text-secondary); border-color: var(--border-medium);
}
.btn--ghost:hover { border-color: var(--gold); color: var(--gold); }
.btn--white {
  background: rgba(255,255,255,0.1); color: #fff; border-color: rgba(255,255,255,0.3);
}
.btn--white:hover { background: rgba(255,255,255,0.2); border-color: #fff; }

/* ===== Header ===== */
.header {
  position: fixed; top: 0; left: 0; right: 0; z-index: 100;
  background: rgba(11, 26, 46, 0.85); backdrop-filter: blur(20px);
  border-bottom: 1px solid var(--border-subtle);
  transition: var(--transition); height: var(--header-height);
}
.header.scrolled { background: rgba(11, 26, 46, 0.95); border-bottom-color: var(--border-gold); }
.header__inner {
  max-width: var(--container); margin: 0 auto; padding: 0 24px;
  height: 100%; display: flex; align-items: center; justify-content: space-between;
}
.header__logo {
  display: flex; align-items: center; gap: 12px; flex-shrink: 0;
}
.header__logo-icon {
  width: 42px; height: 42px; background: linear-gradient(135deg, var(--gold), var(--gold-dark));
  display: flex; align-items: center; justify-content: center; border-radius: var(--radius-sm);
  color: var(--bg-primary); font-size: 1.2rem; font-weight: 700;
}
.header__logo-text { line-height: 1.2; }
.header__logo-name { font-family: var(--font-heading); font-size: 1.15rem; font-weight: 700; color: var(--text-primary); display: block; }
.header__logo-sub { font-size: 0.6rem; letter-spacing: 0.18em; color: var(--gold); text-transform: uppercase; }

/* 导航 */
.header__nav { display: flex; align-items: center; gap: 4px; }
.header__nav-link, .header__nav-item > .header__nav-link {
  display: inline-flex; align-items: center; gap: 4px;
  padding: 10px 16px; font-size: 0.88rem; color: var(--text-secondary);
  border-radius: var(--radius-sm); cursor: pointer; white-space: nowrap;
  transition: var(--transition);
}
.header__nav-link:hover, .header__nav-link.active { color: var(--gold); background: var(--gold-glow); }
.header__nav-item { position: relative; }

/* 下拉菜单 (13.3: z-index=100) */
.header__dropdown {
  position: absolute; top: 100%; left: 0; min-width: 160px;
  background: var(--bg-secondary); border: 1px solid var(--border-gold);
  border-radius: var(--radius-md); padding: 8px 0;
  opacity: 0; visibility: hidden; transform: translateY(8px);
  transition: var(--transition); z-index: 100;
}
.header__nav-item:hover .header__dropdown { opacity: 1; visibility: visible; transform: translateY(0); }
.header__dropdown a {
  display: block; padding: 10px 20px; font-size: 0.85rem; color: var(--text-secondary);
  transition: var(--transition);
}
.header__dropdown a:hover { color: var(--gold); background: var(--gold-glow); }

/* 右侧操作 */
.header__actions { display: flex; align-items: center; gap: 12px; }
.header__cta {
  padding: 8px 20px; font-size: 0.82rem; font-weight: 600;
  color: var(--gold); border: 1px solid var(--gold); border-radius: var(--radius-sm);
  transition: var(--transition);
}
.header__cta:hover { background: var(--gold); color: var(--bg-primary); }

/* 汉堡菜单 (13.4: 独立元素) */
.hamburger {
  display: none; flex-direction: column; gap: 5px; padding: 8px;
  background: none; border: none; cursor: pointer; z-index: 110;
}
.hamburger span {
  display: block; width: 24px; height: 2px; background: var(--text-primary);
  transition: var(--transition); border-radius: 2px;
}
.hamburger.active span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
.hamburger.active span:nth-child(2) { opacity: 0; }
.hamburger.active span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }

/* ===== Hero Banner ===== */
.hero {
  position: relative; height: 100vh; min-height: 600px;
  display: flex; align-items: center; justify-content: center;
  overflow: hidden;
}
.hero__swiper { position: absolute; inset: 0; }
.hero__slide { width: 100%; height: 100%; background-size: cover; background-position: center; }
.hero__overlay {
  position: absolute; inset: 0;
  background: linear-gradient(180deg, rgba(11,26,46,0.4) 0%, rgba(11,26,46,0.7) 60%, var(--bg-primary) 100%);
}
.hero__content {
  position: relative; z-index: 2; text-align: center; max-width: 800px; padding: 0 24px;
}
.hero__title {
  font-family: var(--font-heading); font-size: 3.5rem; font-weight: 700;
  color: #fff; margin-bottom: 20px; line-height: 1.2; letter-spacing: 0.04em;
}
.hero__title .gold { color: var(--gold); }
.hero__subtitle {
  font-size: 1.15rem; color: var(--text-secondary); margin-bottom: 36px; line-height: 1.8;
}
.hero__actions { display: flex; gap: 16px; justify-content: center; flex-wrap: wrap; }
.hero__pagination { position: absolute; bottom: 80px; left: 50%; transform: translateX(-50%); z-index: 2; display: flex; gap: 10px; }
.hero__pagination .swiper-pagination-bullet { width: 10px; height: 10px; background: rgba(255,255,255,0.4); border-radius: 50%; opacity: 1; transition: var(--transition); }
.hero__pagination .swiper-pagination-bullet-active { background: var(--gold); width: 28px; border-radius: 5px; }
.hero__scroll { position: absolute; bottom: 32px; left: 50%; transform: translateX(-50%); z-index: 2; display: flex; flex-direction: column; align-items: center; gap: 8px; }
.hero__scroll span { font-size: 0.7rem; letter-spacing: 0.2em; color: var(--text-muted); text-transform: uppercase; }
.hero__scroll-line { width: 1px; height: 40px; background: linear-gradient(to bottom, var(--gold), transparent); animation: scrollLine 2s ease-in-out infinite; }
@keyframes scrollLine { 0%, 100% { transform: scaleY(1); opacity: 1; } 50% { transform: scaleY(0.4); opacity: 0.3; } }

/* ===== 数字统计模块 ===== */
.stats { display: grid; grid-template-columns: repeat(4, 1fr); gap: 2px; }
.stats__item { text-align: center; padding: 48px 20px; background: var(--bg-secondary); border: 1px solid var(--border-subtle); border-radius: var(--radius-md); transition: var(--transition); }
.stats__item:hover { border-color: var(--border-gold); }
.stats__number { font-family: var(--font-heading); font-size: 3rem; font-weight: 700; color: var(--gold); margin-bottom: 8px; line-height: 1; }
.stats__label { font-size: 0.9rem; color: var(--text-secondary); }

/* ===== 业务板块卡片 ===== */
.business-grid {
  display: grid; grid-template-columns: repeat(4, 1fr); gap: 24px;
}
.business-card {
  background: var(--bg-card); border: 1px solid var(--border-subtle);
  border-radius: var(--radius-md); padding: 40px 28px; text-align: center;
  transition: var(--transition); position: relative; overflow: hidden;
}
.business-card::before {
  content: ''; position: absolute; top: 0; left: 0; right: 0; height: 2px;
  background: linear-gradient(90deg, transparent, var(--gold), transparent);
  opacity: 0; transition: var(--transition);
}
.business-card:hover { border-color: var(--border-gold); transform: translateY(-4px); box-shadow: 0 16px 48px rgba(0,0,0,0.3); }
.business-card:hover::before { opacity: 1; }
.business-card__icon {
  font-size: 2.4rem; color: var(--gold); margin-bottom: 20px;
}
.business-card__title {
  font-family: var(--font-heading); font-size: 1.15rem; margin-bottom: 12px; color: var(--text-primary);
}
.business-card__desc { font-size: 0.88rem; color: var(--text-secondary); line-height: 1.7; }

/* ===== 关于我们 / 图文混排 ===== */
.about-grid {
  display: grid; grid-template-columns: 1fr 1fr; gap: 80px; align-items: center;
}
.about-image { position: relative; border-radius: var(--radius-lg); overflow: hidden; }
.about-image img { width: 100%; height: 480px; object-fit: cover; }
.about-image::after {
  content: ''; position: absolute; inset: 0;
  border: 1px solid var(--border-gold); border-radius: var(--radius-lg);
  pointer-events: none;
}
.about-text .section-title { margin-bottom: 24px; }
.about-text p { color: var(--text-secondary); margin-bottom: 16px; line-height: 1.9; }
.about-features { display: grid; grid-template-columns: repeat(3, 1fr); gap: 20px; margin-top: 32px; }
.about-feature { text-align: center; padding: 20px; }
.about-feature__num { font-family: var(--font-heading); font-size: 2rem; color: var(--gold); font-weight: 700; }
.about-feature__label { font-size: 0.82rem; color: var(--text-muted); margin-top: 4px; }

/* ===== 发展历程时间线 ===== */
.timeline { position: relative; padding: 20px 0; }
.timeline::before {
  content: ''; position: absolute; left: 50%; top: 0; bottom: 0;
  width: 1px; background: linear-gradient(to bottom, var(--border-gold), var(--border-subtle));
  transform: translateX(-50%);
}
.timeline__item {
  display: flex; align-items: flex-start; margin-bottom: 48px;
  position: relative;
}
.timeline__item:nth-child(odd) { flex-direction: row; }
.timeline__item:nth-child(even) { flex-direction: row-reverse; }
.timeline__dot {
  position: absolute; left: 50%; top: 8px; transform: translateX(-50%);
  width: 12px; height: 12px; background: var(--gold); border-radius: 50%;
  border: 2px solid var(--bg-primary); z-index: 2;
}
.timeline__content {
  width: 45%; padding: 24px; background: var(--bg-card);
  border: 1px solid var(--border-subtle); border-radius: var(--radius-md);
  transition: var(--transition);
}
.timeline__content:hover { border-color: var(--border-gold); }
.timeline__year { font-family: var(--font-heading); font-size: 1.5rem; color: var(--gold); margin-bottom: 8px; }
.timeline__title { font-size: 1.05rem; font-weight: 600; margin-bottom: 8px; }
.timeline__desc { font-size: 0.85rem; color: var(--text-secondary); }

/* ===== 新闻列表卡片 ===== */
.news-list { display: flex; flex-direction: column; gap: 0; }
.news-item {
  display: flex; gap: 32px; padding: 28px 0;
  border-bottom: 1px solid var(--border-subtle); transition: var(--transition);
  align-items: center;
}
.news-item:hover { border-bottom-color: var(--border-gold); }
.news-item__image { width: 240px; height: 160px; flex-shrink: 0; border-radius: var(--radius-md); overflow: hidden; }
.news-item__image img { width: 100%; height: 100%; object-fit: cover; transition: transform 0.6s; }
.news-item:hover .news-item__image img { transform: scale(1.05); }
.news-item__info { flex: 1; }
.news-item__date { font-size: 0.8rem; color: var(--gold); margin-bottom: 8px; }
.news-item__title { font-family: var(--font-heading); font-size: 1.15rem; margin-bottom: 10px; transition: var(--transition); }
.news-item:hover .news-item__title { color: var(--gold); }
.news-item__desc { font-size: 0.88rem; color: var(--text-secondary); line-height: 1.7; }

/* ===== 合作伙伴 Logo 墙 ===== */
.partners { display: flex; flex-wrap: wrap; justify-content: center; align-items: center; gap: 40px; }
.partners__item {
  padding: 20px 30px; filter: grayscale(100%) brightness(0.7);
  opacity: 0.5; transition: var(--transition);
}
.partners__item:hover { filter: grayscale(0%) brightness(1); opacity: 1; }
.partners__item img { max-height: 48px; }

/* ===== 内页 Banner ===== */
.page-banner {
  position: relative; height: 320px; display: flex; align-items: center; justify-content: center;
  background: var(--bg-secondary); overflow: hidden;
}
.page-banner__bg { position: absolute; inset: 0; background-size: cover; background-position: center; opacity: 0.3; }
.page-banner__overlay { position: absolute; inset: 0; background: linear-gradient(to bottom, rgba(11,26,46,0.8), var(--bg-primary)); }
.page-banner__content { position: relative; z-index: 1; text-align: center; padding-top: 40px; }
.page-banner__title { font-family: var(--font-heading); font-size: 2.4rem; font-weight: 700; }
.page-banner__subtitle { font-size: 1rem; color: var(--gold); margin-top: 8px; }

/* 面包屑 */
.breadcrumb {
  max-width: var(--container); margin: 0 auto; padding: 16px 24px;
  font-size: 0.82rem; color: var(--text-muted);
}
.breadcrumb a { color: var(--text-secondary); }
.breadcrumb a:hover { color: var(--gold); }
.breadcrumb .separator { margin: 0 8px; color: var(--text-muted); }

/* ===== 内容详情 ===== */
.content-detail { max-width: 860px; margin: 0 auto; padding: 60px 24px; }
.content-detail h1 { font-family: var(--font-heading); font-size: 2rem; margin-bottom: 16px; }
.content-detail .meta {
  display: flex; gap: 20px; font-size: 0.85rem; color: var(--text-muted);
  margin-bottom: 40px; padding-bottom: 24px; border-bottom: 1px solid var(--border-subtle);
}
.content-detail .meta span { display: flex; align-items: center; gap: 6px; }
.content-body { font-size: 1rem; color: var(--text-secondary); line-height: 2; }
.content-body p { margin-bottom: 20px; }
.content-body img { border-radius: var(--radius-md); margin: 24px 0; }
.content-body h2, .content-body h3 { color: var(--text-primary); margin: 32px 0 16px; font-family: var(--font-heading); }

/* ===== 业务详情页 ===== */
.biz-detail {
  display: grid; grid-template-columns: 1fr 1fr; gap: 60px; padding: 60px 0; align-items: start;
}
.biz-detail__image { border-radius: var(--radius-lg); overflow: hidden; }
.biz-detail__image img { width: 100%; height: 440px; object-fit: cover; }
.biz-detail__info h1 { font-family: var(--font-heading); font-size: 2rem; margin-bottom: 20px; }
.biz-detail__info .info-block { margin-bottom: 28px; }
.biz-detail__info .info-block h3 { font-size: 1rem; color: var(--gold); margin-bottom: 10px; display: flex; align-items: center; gap: 8px; }
.biz-detail__info .info-block p, .biz-detail__info .info-block div { color: var(--text-secondary); line-height: 1.9; }

/* ===== 通用列表页 ===== */
.list-page { padding: 60px 0; }
.list-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px; }

/* 通用卡片 */
.card {
  background: var(--bg-card); border: 1px solid var(--border-subtle);
  border-radius: var(--radius-md); overflow: hidden;
  transition: var(--transition); display: block;
}
.card:hover { border-color: var(--border-gold); transform: translateY(-4px); box-shadow: 0 16px 48px rgba(0,0,0,0.3); }
.card__image { height: 240px; overflow: hidden; position: relative; }
.card__image img { width: 100%; height: 100%; object-fit: cover; transition: transform 0.6s; }
.card:hover .card__image img { transform: scale(1.05); }
.card__body { padding: 24px; }
.card__tag { font-size: 0.75rem; color: var(--gold); margin-bottom: 8px; }
.card__title { font-family: var(--font-heading); font-size: 1.1rem; margin-bottom: 10px; transition: var(--transition); }
.card:hover .card__title { color: var(--gold); }
.card__desc { font-size: 0.85rem; color: var(--text-secondary); line-height: 1.7; }
.card__meta { font-size: 0.8rem; color: var(--text-muted); margin-top: 12px; display: flex; gap: 16px; }

/* ===== CSR 社会责任 ===== */
.csr-modules { display: grid; grid-template-columns: repeat(3, 1fr); gap: 32px; }
.csr-module {
  background: var(--bg-card); border: 1px solid var(--border-subtle);
  border-radius: var(--radius-md); padding: 40px 28px; transition: var(--transition);
}
.csr-module:hover { border-color: var(--border-gold); transform: translateY(-4px); }
.csr-module__icon { font-size: 2.2rem; color: var(--gold); margin-bottom: 20px; }
.csr-module__title { font-family: var(--font-heading); font-size: 1.2rem; margin-bottom: 14px; }
.csr-module__desc { font-size: 0.88rem; color: var(--text-secondary); line-height: 1.8; }
.csr-hero-img { max-height: 400px; margin-bottom: 48px; }

/* ===== 联系我们 ===== */
.contact-grid {
  display: grid; grid-template-columns: 1fr 1fr; gap: 60px; padding: 60px 0;
}
.contact-info h2 { font-family: var(--font-heading); font-size: 2rem; margin-bottom: 32px; }
.contact-info__item {
  display: flex; gap: 16px; margin-bottom: 28px; padding: 20px;
  background: var(--bg-card); border: 1px solid var(--border-subtle);
  border-radius: var(--radius-md); transition: var(--transition);
}
.contact-info__item:hover { border-color: var(--border-gold); }
.contact-info__icon { font-size: 1.4rem; color: var(--gold); flex-shrink: 0; margin-top: 2px; }
.contact-info__text h4 { font-size: 0.95rem; margin-bottom: 4px; }
.contact-info__text p { font-size: 0.85rem; color: var(--text-secondary); }

/* 联系表单 */
.contact-form { background: var(--bg-card); border: 1px solid var(--border-subtle); border-radius: var(--radius-lg); padding: 40px; }
.contact-form h3 { font-family: var(--font-heading); font-size: 1.3rem; margin-bottom: 28px; }
.form-group { margin-bottom: 20px; }
.form-group label { display: block; font-size: 0.85rem; color: var(--text-secondary); margin-bottom: 6px; }
.form-group input, .form-group textarea, .form-group select {
  width: 100%; padding: 12px 16px; font-size: 0.9rem;
  background: var(--bg-tertiary); border: 1px solid var(--border-medium);
  border-radius: var(--radius-sm); color: var(--text-primary);
  font-family: var(--font-body); transition: var(--transition);
}
.form-group input:focus, .form-group textarea:focus, .form-group select:focus {
  outline: none; border-color: var(--gold); box-shadow: 0 0 0 3px var(--gold-glow);
}
.form-group textarea { min-height: 140px; resize: vertical; }

/* ===== 搜索 ===== */
.search-page { padding: 60px 0; }
.search-form { display: flex; gap: 12px; margin-bottom: 48px; max-width: 600px; }
.search-form input {
  flex: 1; padding: 14px 20px; font-size: 1rem;
  background: var(--bg-card); border: 1px solid var(--border-medium);
  border-radius: var(--radius-sm); color: var(--text-primary);
  font-family: var(--font-body);
}
.search-form input:focus { outline: none; border-color: var(--gold); }
.search-form button { padding: 14px 28px; }

/* ===== 分页 ===== */
.pagination { display: flex; align-items: center; gap: 8px; margin-top: 48px; justify-content: center; }
.pagination a {
  padding: 8px 16px; font-size: 0.88rem; color: var(--text-secondary);
  border: 1px solid var(--border-medium); border-radius: var(--radius-sm);
  transition: var(--transition);
}
.pagination a:hover, .pagination a.active { background: var(--gold); color: var(--bg-primary); border-color: var(--gold); }
.pagination span { padding: 8px 4px; color: var(--text-muted); }
.no-data { text-align: center; padding: 60px 20px; color: var(--text-muted); font-size: 0.95rem; }

/* ===== CTA 区块 ===== */
.cta-section {
  position: relative; padding: 100px 0; text-align: center;
  background: linear-gradient(180deg, var(--bg-secondary) 0%, var(--bg-primary) 100%);
  border-top: 1px solid var(--border-gold-light);
}
.cta-section::before {
  content: ''; position: absolute; top: 0; left: 50%; transform: translateX(-50%);
  width: 120px; height: 1px; background: var(--gold);
}

/* ===== Footer ===== */
.footer {
  background: #081220; border-top: 1px solid var(--border-subtle); padding: 72px 0 0;
}
.footer__grid {
  max-width: var(--container); margin: 0 auto; padding: 0 24px;
  display: grid; grid-template-columns: 2fr 1fr 1.2fr 1fr; gap: 48px;
}
.footer__brand { margin-bottom: 16px; }
.footer__brand-desc { font-size: 0.85rem; color: var(--text-muted); line-height: 1.8; margin-bottom: 20px; }
.footer__col-title { font-family: var(--font-heading); font-size: 1.05rem; margin-bottom: 20px; color: var(--text-primary); }
.footer__links { display: flex; flex-direction: column; gap: 10px; }
.footer__links a { font-size: 0.85rem; color: var(--text-secondary); transition: var(--transition); }
.footer__links a:hover { color: var(--gold); padding-left: 4px; }
.footer__contact-item { display: flex; gap: 10px; font-size: 0.85rem; color: var(--text-secondary); margin-bottom: 12px; align-items: flex-start; }
.footer__contact-item i { color: var(--gold); margin-top: 4px; flex-shrink: 0; }
.footer__qrcode {
  width: 100px; height: 100px; background: var(--bg-card);
  border: 1px solid var(--border-subtle); display: flex;
  align-items: center; justify-content: center; font-size: 0.7rem;
  color: var(--text-muted); text-align: center;
}
.footer__bottom {
  margin-top: 48px; padding: 20px 0; border-top: 1px solid var(--border-subtle);
  background: rgba(0,0,0,0.3);
}
.footer__bottom-inner {
  max-width: var(--container); margin: 0 auto; padding: 0 24px;
  display: flex; justify-content: space-between; align-items: center;
  font-size: 0.82rem; color: var(--text-muted); flex-wrap: wrap; gap: 12px;
}
.friend-links {
  max-width: var(--container); margin: 0 auto; padding: 32px 24px;
  display: flex; flex-wrap: wrap; align-items: center; gap: 16px;
  border-bottom: 1px solid var(--border-subtle);
}
.friend-links__label { font-size: 0.82rem; color: var(--gold); white-space: nowrap; }
.friend-links a { font-size: 0.8rem; color: var(--text-muted); transition: var(--transition); }
.friend-links a:hover { color: var(--gold); }

/* ===== 客服按钮 ===== */
.kefu-btn {
  position: fixed; bottom: 32px; right: 32px; z-index: 90;
  width: 52px; height: 52px; background: var(--gold); color: var(--bg-primary);
  border-radius: 50%; display: flex; align-items: center; justify-content: center;
  font-size: 1.3rem; box-shadow: 0 8px 24px rgba(201,168,76,0.3);
  transition: var(--transition); cursor: pointer; border: none;
}
.kefu-btn:hover { transform: scale(1.1); box-shadow: 0 12px 32px rgba(201,168,76,0.5); }

/* 返回顶部 */
.back-top {
  position: fixed; bottom: 96px; right: 32px; z-index: 90;
  width: 40px; height: 40px; background: var(--bg-card); color: var(--gold);
  border: 1px solid var(--border-gold); border-radius: 50%;
  display: flex; align-items: center; justify-content: center;
  font-size: 0.9rem; cursor: pointer; opacity: 0; visibility: hidden;
  transition: var(--transition); border: 1px solid var(--border-subtle);
}
.back-top.visible { opacity: 1; visibility: visible; }
.back-top:hover { border-color: var(--gold); background: var(--gold); color: var(--bg-primary); }

/* ===== 移动端导航 (桌面端隐藏) ===== */
.mobile-nav { display: none; }
.mobile-nav__overlay { display: none; }

/* ===== AOS 微调 ===== */
[data-aos] { transition-timing-function: cubic-bezier(0.4, 0, 0.2, 1); }

/* ===== 动画 ===== */
@keyframes fadeUp { from { opacity: 0; transform: translateY(30px); } to { opacity: 1; transform: translateY(0); } }
@keyframes numberCount { from { opacity: 0; transform: translateY(10px); } to { opacity: 1; transform: translateY(0); } }
.animate-fade-up { animation: fadeUp 0.8s ease both; }

/* ===== 招聘列表特殊样式 ===== */
.career-list { max-width: 800px; margin: 0 auto; }
.career-item {
  display: flex; justify-content: space-between; align-items: center;
  padding: 24px 28px; background: var(--bg-card); border: 1px solid var(--border-subtle);
  border-radius: var(--radius-md); margin-bottom: 16px; transition: var(--transition);
}
.career-item:hover { border-color: var(--border-gold); }
.career-item__info h3 { font-size: 1.05rem; margin-bottom: 8px; }
.career-item__info p { font-size: 0.82rem; color: var(--text-muted); display: flex; gap: 16px; }

/* ===== 表单验证码 ===== */
.captcha-row { display: flex; gap: 12px; align-items: center; }
.captcha-row input { flex: 1; }
.captcha-row img { height: 42px; border-radius: var(--radius-sm); }

/* ===== 响应式 (768px断点) ===== */
@media (max-width: 768px) {
  html { font-size: 15px; }
  body { overflow-x: hidden; }

  /* ===== 全宽 / 防左偏护栏：移动端任何内容都占满屏宽、杜绝横向溢出 ===== */
  html, body { width: 100%; max-width: 100%; margin: 0 auto; }
  .container, .friend-links, .breadcrumb {
    width: 100%; max-width: 100%;
    margin-left: auto; margin-right: auto;
    box-sizing: border-box;
    padding-left: 16px; padding-right: 16px;
  }
  .header__inner, .footer__grid, .footer__bottom-inner, .search-form, .career-list {
    width: 100%; max-width: 100%; box-sizing: border-box;
  }
  .friend-links { padding-top: 24px; padding-bottom: 24px; }
  /* 富文本/表格内容防溢出 */
  .content-body, .content-detail { overflow-wrap: break-word; word-break: break-word; }
  .content-body img, .content-body video, .content-body iframe,
  .content-body table, .content-detail img { max-width: 100% !important; height: auto; }
  .content-body table { display: block; width: 100%; overflow-x: auto; -webkit-overflow-scrolling: touch; }
  /* 图文标题行统一纵向排布，右侧按钮不再挤压 */
  .hero__content { width: 100%; padding-left: 16px; padding-right: 16px; }

  /* 模块间距整体收紧（上下留白 60→44） */
  .section { padding: 44px 0; }
  .cta-section { padding: 56px 0; }
  .header__inner { padding: 0 16px; }

  /* Header */
  .header__nav { display: none; }
  .header__actions { display: none; }
  .hamburger { display: flex; }

  /* 移动端侧滑菜单 */
  .mobile-nav {
    display: none;
    position: fixed; top: 0; right: 0; width: 280px; height: 100vh;
    background: var(--bg-secondary); z-index: 105; padding: 80px 24px 40px;
    transition: transform 0.35s cubic-bezier(0.4, 0, 0.2, 1);
    overflow-y: auto; border-left: 1px solid var(--border-subtle); transform: translateX(100%);
  }
  .mobile-nav.active { display: block; transform: translateX(0); }
  .mobile-nav__link {
    display: block; padding: 14px 16px; font-size: 1rem; color: var(--text-secondary);
    border-radius: var(--radius-sm); margin-bottom: 4px; transition: var(--transition);
  }
  .mobile-nav__link:hover { color: var(--gold); background: var(--gold-glow); }
  .mobile-nav__sub { padding-left: 20px; margin-bottom: 8px; }
  .mobile-nav__sub a { display: block; padding: 10px 16px; font-size: 0.9rem; color: var(--text-muted); border-radius: var(--radius-sm); }
  .mobile-nav__sub a:hover { color: var(--gold); }
  .mobile-nav__overlay {
    position: fixed; inset: 0; background: rgba(0,0,0,0.5); z-index: 99;
    opacity: 0; visibility: hidden; transition: var(--transition);
  }
  .mobile-nav__overlay { display: block; }
  .mobile-nav__overlay.active { opacity: 1; visibility: visible; }

  /* Hero（压缩移动端轮播高度） */
  .hero { height: auto; min-height: 440px; }
  .hero__title { font-size: 2rem; }
  .hero__subtitle { font-size: 0.9rem; }
  .hero__actions { flex-direction: column; align-items: center; }
  .hero__pagination { bottom: 56px; }
  .hero__scroll { display: none; }

  /* Stats */
  .stats { grid-template-columns: repeat(2, 1fr); }
  .stats__item { padding: 20px 12px; }
  .stats__number { font-size: 1.6rem; margin-bottom: 4px; }
  .stats__label { font-size: 0.8rem; }

  /* Business grid（手机端四个一排） */
  .business-grid { grid-template-columns: repeat(4, 1fr); gap: 8px; }
  .business-card { padding: 20px 6px; }
  .business-card__icon { font-size: 1.6rem; margin-bottom: 10px; }
  .business-card__title { font-size: 0.95rem; margin-bottom: 6px; }
  .business-card__desc {
    display: block; overflow: hidden; text-overflow: ellipsis;
    white-space: nowrap; font-size: 0.72rem; line-height: 1.6;
  }

  /* About grid（首页“关于我们”压缩） */
  .about-grid { grid-template-columns: 1fr; gap: 20px; }
  .about-image img { height: 210px; }
  .about-text .section-title { font-size: 1.5rem; margin-bottom: 10px; }
  .about-text > p {
    display: -webkit-box; -webkit-line-clamp: 3; -webkit-box-orient: vertical;
    overflow: hidden; font-size: 0.92rem; margin-bottom: 10px;
  }
  .about-features { grid-template-columns: repeat(3, 1fr); gap: 8px; margin-top: 18px; }
  .about-feature { padding: 12px 4px; }
  .about-feature__num { font-size: 1.3rem; }
  .about-feature__label { font-size: 0.75rem; }

  /* Timeline（发展历程压缩） */
  .timeline { padding: 0 0 8px; }
  .timeline::before { left: 20px; }
  .timeline__item, .timeline__item:nth-child(even) { flex-direction: row; margin-bottom: 16px; }
  .timeline__dot { left: 20px; }
  .timeline__content { width: calc(100% - 48px); margin-left: 48px; padding: 14px 16px; }
  .timeline__year { font-size: 1.1rem; margin-bottom: 4px; }
  .timeline__title { font-size: 0.95rem; margin-bottom: 4px; }
  .timeline__desc { font-size: 0.8rem; line-height: 1.6; }

  /* News（新闻中心：一条一行 + 压缩） */
  .news-item { flex-direction: row; align-items: center; gap: 14px; padding: 14px 0; }
  .news-item__image { width: 128px; height: 90px; flex-shrink: 0; }
  .news-item__info { min-width: 0; }
  .news-item__date { font-size: 0.72rem; margin-bottom: 3px; }
  .news-item__title { font-size: 0.95rem; margin-bottom: 0; line-height: 1.5;
    display: -webkit-box; -webkit-line-clamp: 2; -webkit-box-orient: vertical; overflow: hidden; }
  .news-item__desc { display: none; }

  /* CSR（默认单列堆叠，内页保留全文可读） */
  .csr-modules { grid-template-columns: 1fr; }
  /* 首页“社会责任”压缩为紧凑横排（图标徽章 + 标题/两行描述） */
  .csr-modules--home { display: grid; grid-template-columns: 1fr; gap: 12px; }
  .csr-modules--home .csr-module {
    display: grid; grid-template-columns: 44px minmax(0, 1fr);
    grid-template-rows: auto auto; column-gap: 14px; align-items: center;
    padding: 14px 16px;
  }
  .csr-modules--home .csr-module__icon {
    grid-area: 1 / 1 / 3 / 2; align-self: center; justify-self: center;
    width: 44px; height: 44px; border-radius: 50%;
    background: var(--bg-secondary); color: var(--gold);
    display: flex; align-items: center; justify-content: center;
    font-size: 1.25rem; margin-bottom: 0;
  }
  .csr-modules--home .csr-module__title {
    grid-area: 1 / 2; align-self: end; font-size: 0.95rem; margin: 0 0 2px;
  }
  .csr-modules--home .csr-module__desc {
    grid-area: 2 / 2; align-self: start; font-size: 0.78rem; line-height: 1.5;
    color: var(--text-secondary); margin: 0;
    display: -webkit-box; -webkit-line-clamp: 2; -webkit-box-orient: vertical;
    overflow: hidden;
  }
  /* 社会责任内页（csr.html）压缩：顶部图限高 + 长文卡片横排 + 内文收紧 */
  .page-csr .csr-hero-img { max-height: 170px; margin-bottom: 20px; }
  .page-csr .csr-modules { display: grid; grid-template-columns: 1fr; gap: 12px; }
  .page-csr .csr-module {
    display: grid; grid-template-columns: 46px minmax(0, 1fr); grid-template-rows: auto auto;
    column-gap: 14px; padding: 14px 16px; align-items: center;
  }
  .page-csr .csr-module__icon {
    grid-area: 1 / 1 / 3 / 2; align-self: center; justify-self: center;
    width: 46px; height: 46px; border-radius: 50%;
    background: var(--bg-secondary); color: var(--gold);
    display: flex; align-items: center; justify-content: center;
    font-size: 1.3rem; margin-bottom: 0;
  }
  .page-csr .csr-module__title { grid-area: 1 / 2; align-self: end; font-size: 1.02rem; margin: 0 0 3px; }
  .page-csr .csr-module__desc { grid-area: 2 / 2; align-self: start; font-size: 0.84rem; line-height: 1.6; color: var(--text-secondary); margin: 0; }
  .page-csr .content-body { font-size: 0.95rem; line-height: 1.8; }
  .page-csr .content-body p { margin-bottom: 14px; }
  /* 关于我们·企业文化（about.html）压缩：三张卡片横排紧凑 */
  .page-about .csr-modules { display: grid; grid-template-columns: 1fr; gap: 12px; }
  .page-about .csr-module {
    display: grid; grid-template-columns: 46px minmax(0, 1fr); grid-template-rows: auto auto;
    column-gap: 14px; padding: 12px 16px; align-items: center;
  }
  .page-about .csr-module__icon {
    grid-area: 1 / 1 / 3 / 2; align-self: center; justify-self: center;
    width: 46px; height: 46px; border-radius: 50%;
    background: var(--bg-secondary); color: var(--gold);
    display: flex; align-items: center; justify-content: center;
    font-size: 1.25rem; margin-bottom: 0;
  }
  .page-about .csr-module__title { grid-area: 1 / 2; align-self: end; font-size: 1rem; margin: 0 0 2px; }
  .page-about .csr-module__desc { grid-area: 2 / 2; align-self: start; font-size: 0.8rem; line-height: 1.5; color: var(--text-secondary); margin: 0; }

  /* Contact */
  .contact-grid { grid-template-columns: 1fr; gap: 40px; }
  .contact-form { padding: 24px; }

  /* Biz detail */
  .biz-detail { grid-template-columns: 1fr; gap: 32px; }

  /* List */
  .list-grid { grid-template-columns: repeat(2, 1fr); gap: 16px; }

  /* Footer */
  .footer__grid { grid-template-columns: 1fr; gap: 32px; }
  .footer__bottom-inner { flex-direction: column; text-align: center; }
  /* 快速链接：手机端横向排列 */
  .footer__links { flex-direction: row; flex-wrap: wrap; gap: 10px 20px; }
  .footer__links a:hover { padding-left: 0; }

  /* Page banner */
  .page-banner { height: 220px; }
  .page-banner__title { font-size: 1.6rem; }

  /* Partners（合作伙伴：手机端两行展示，8个=4×2） */
  .partners { display: grid; grid-template-columns: repeat(4, 1fr); gap: 12px 8px; align-items: stretch; }
  .partners__item { display: flex; align-items: center; justify-content: center; min-height: 40px; padding: 4px 2px; text-align: center; }
  .partners__item span { font-size: 0.8rem !important; line-height: 1.4; }

  /* Kefu */
  .kefu-btn { bottom: 20px; right: 16px; width: 44px; height: 44px; }
  .back-top { bottom: 76px; right: 16px; }

  /* Career（人才招聘页压缩：职位一行 + 按钮置右） */
  .career-item { flex-direction: row; align-items: center; gap: 10px; padding: 14px 14px; margin-bottom: 10px; }
  .career-item__info { flex: 1; min-width: 0; }
  .career-item__info h3 { font-size: 0.98rem; margin-bottom: 4px; }
  .career-item__info p { font-size: 0.76rem; gap: 8px 12px; flex-wrap: wrap; }
  .career-item .btn { flex-shrink: 0; padding: 7px 12px !important; font-size: 0.72rem !important; }
  .career-list { max-width: 100%; }

  /* Misc */
  .content-detail { padding: 40px 16px; }
  .biz-detail__image img { height: 280px; }
  .pagination { flex-wrap: wrap; justify-content: center; }
  .search-form { flex-direction: column; }
}

@media (max-width: 480px) {
  .stats { grid-template-columns: 1fr 1fr; }
  .business-grid { grid-template-columns: repeat(4, 1fr); gap: 6px; }
  .business-card { padding: 14px 4px; }
  .business-card__icon { font-size: 1.35rem; margin-bottom: 6px; }
  .business-card__title { font-size: 0.85rem; margin-bottom: 4px; }
  .business-card__desc { font-size: 0.62rem; }
  .list-grid { grid-template-columns: 1fr; }
  .hero__title { font-size: 1.6rem; }
  .section-title { font-size: 1.6rem; }
  .stats__item { padding: 18px 10px; }
  .stats__number { font-size: 1.4rem; }
  .stats__label { font-size: 0.75rem; }
  .partners { gap: 10px 6px; }
  .partners__item { min-height: 34px; }
  .partners__item span { font-size: 0.72rem !important; }
}