/**
 * GlobalTrade — 国际贸易企业官网样式
 * 配色：白 + 深蓝(#0B1A2E) + 金(#C9A84C) + 银灰
 * 风格：国际化专业，大留白，小圆角，白色卡片+深蓝/金边框
 * 原生 CSS，无框架依赖
 * 依赖：Font Awesome 6, Swiper, AOS
 * 字体：系统字体栈（PingFang SC / Microsoft YaHei / 等）
 */

/* ============================================================
   CSS 变量体系
   ============================================================ */
:root {
  /* 主色调 */
  --color-navy: #0B1A2E;
  --color-navy-light: #132940;
  --color-navy-hover: #1A3556;
  --color-gold: #C9A84C;
  --color-gold-light: #D4B866;
  --color-gold-dim: rgba(201, 168, 76, 0.12);
  --color-silver: #A8B4C0;
  --color-silver-light: #C8D0D8;

  /* 背景色 */
  --bg-white: #FFFFFF;
  --bg-light: #F5F6F8;
  --bg-lighter: #FAFBFC;
  --bg-section-alt: #F0F1F4;

  /* 文字色 */
  --text-primary: #1E293B;
  --text-secondary: #475569;
  --text-muted: #94A3B8;
  --text-light: #CBD5E1;
  --text-white: #FFFFFF;
  --text-nav: #334155;

  /* 边框 */
  --border-default: #E2E8F0;
  --border-light: #F1F5F9;
  --border-gold: rgba(201, 168, 76, 0.3);

  /* 阴影 */
  --shadow-sm: 0 1px 3px rgba(0,0,0,0.06);
  --shadow-md: 0 4px 12px rgba(0,0,0,0.08);
  --shadow-lg: 0 8px 30px rgba(0,0,0,0.10);
  --shadow-xl: 0 16px 48px rgba(0,0,0,0.12);

  /* 圆角 */
  --radius-xs: 4px;
  --radius-sm: 6px;
  --radius-md: 10px;
  --radius-lg: 14px;

  /* 间距 */
  --section-py: 90px;
  --section-py-sm: 60px;
  --container-max: 1200px;
  --header-h: 72px;

  /* 过渡 */
  --ease-out: cubic-bezier(0.16, 1, 0.3, 1);
  --ease-smooth: cubic-bezier(0.4, 0, 0.2, 1);
  --duration-fast: 150ms;
  --duration-normal: 300ms;
  --duration-slow: 500ms;

  /* 字体 — Inter 用于英文/数字(现代专业感), 系统字体用于中文 */
  --font-heading: 'Inter', 'PingFang SC', 'Microsoft YaHei', 'Hiragino Sans GB', sans-serif;
  --font-body: 'Inter', 'PingFang SC', 'Microsoft YaHei', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
}

/* ============================================================
   全局重置
   ============================================================ */
*, *::before, *::after { margin:0; padding:0; box-sizing:border-box; }
html { scroll-behavior:smooth; -webkit-text-size-adjust:100%; }
body {
  background: var(--bg-white);
  color: var(--text-primary);
  font-family: var(--font-body);
  font-size: 16px;
  font-weight: 400;
  line-height: 1.7;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  overflow-x: hidden;
}
img { max-width:100%; height:auto; display:block; }
ul, ol { list-style:none; }
a { color:inherit; text-decoration:none; transition: color var(--duration-fast) var(--ease-smooth); }

input, textarea, select, button {
  font-family: inherit; font-size: inherit;
}
input::placeholder, textarea::placeholder { color: var(--text-muted); opacity:1; }

::selection { background: rgba(11,26,46,0.12); color: var(--color-navy); }
::-webkit-scrollbar { width:6px; }
::-webkit-scrollbar-track { background: var(--bg-light); }
::-webkit-scrollbar-thumb { background: var(--color-silver); border-radius:3px; }
::-webkit-scrollbar-thumb:hover { background: var(--text-muted); }

/* ============================================================
   排版
   ============================================================ */
h1, h2, h3, h4, h5, h6 {
  font-family: var(--font-heading);
  color: var(--text-primary);
  font-weight: 600;
  line-height: 1.35;
}

.section-tag {
  display: inline-block;
  font-size: 0.8rem;
  font-weight: 600;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  color: var(--color-gold);
  margin-bottom: 0.6rem;
}

.section-title {
  font-size: clamp(1.6rem, 3.5vw, 2.4rem);
  font-weight: 700;
  color: var(--color-navy);
  margin-bottom: 0.4rem;
}

.section-subtitle {
  font-size: 1rem;
  color: var(--text-secondary);
  max-width: 560px;
}

.section-header {
  text-align: center;
  margin-bottom: 48px;
}

.section-header .section-subtitle { margin: 0 auto; }

/* ============================================================
   布局
   ============================================================ */
.container {
  width: 100%;
  max-width: var(--container-max);
  margin: 0 auto;
  padding: 0 24px;
}

.section { padding: var(--section-py) 0; }
.section--alt { background: var(--bg-light); }
.section--navy {
  background: var(--color-navy);
  color: var(--text-white);
}
.section--navy .section-title { color: var(--text-white); }
.section--navy .section-subtitle { color: var(--text-light); }
.section--navy .section-tag { color: var(--color-gold-light); }

/* ============================================================
   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-xs);
  border: none;
  cursor: pointer;
  transition: all var(--duration-normal) var(--ease-smooth);
  white-space: nowrap;
  letter-spacing: 0.01em;
}

.btn--primary {
  background: var(--color-navy);
  color: #fff;
}
.btn--primary:hover {
  background: var(--color-navy-hover);
  color: #fff;
  box-shadow: var(--shadow-md);
  transform: translateY(-1px);
}

.btn--gold {
  background: var(--color-gold);
  color: #fff;
}
.btn--gold:hover {
  background: var(--color-gold-light);
  color: #fff;
  box-shadow: var(--shadow-md);
  transform: translateY(-1px);
}

.btn--outline {
  background: transparent;
  color: var(--color-navy);
  border: 1.5px solid var(--color-navy);
}
.btn--outline:hover {
  background: var(--color-navy);
  color: #fff;
  transform: translateY(-1px);
}

.btn--outline-white {
  background: transparent;
  color: #fff;
  border: 1.5px solid rgba(255,255,255,0.4);
}
.btn--outline-white:hover {
  background: rgba(255,255,255,0.1);
  border-color: #fff;
  color: #fff;
}

.btn--link {
  padding: 0;
  background: none;
  color: var(--color-gold);
  font-weight: 600;
  gap: 4px;
}
.btn--link i { font-size: 0.7rem; transition: transform var(--duration-fast); }
.btn--link:hover { color: var(--color-navy); }
.btn--link:hover i { transform: translateX(3px); }

/* ============================================================
   Header 头部 — 白色实底 + 深色文字 (13.11)
   ============================================================ */
.header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 100;
  height: var(--header-h);
  background: rgba(255,255,255,0.97);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--border-default);
  transition: box-shadow var(--duration-normal) var(--ease-smooth);
}
.header.scrolled { box-shadow: var(--shadow-md); }

.header__inner {
  display: flex;
  align-items: center;
  height: 100%;
  max-width: var(--container-max);
  margin: 0 auto;
  padding: 0 24px;
}

/* Logo */
.header__logo {
  display: flex;
  align-items: center;
  gap: 10px;
  flex-shrink: 0;
  margin-right: auto;
}
.header__logo-icon {
  width: 40px; height: 40px;
  background: var(--color-navy);
  border-radius: var(--radius-sm);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.1rem;
  color: var(--color-gold);
}
.header__logo-text { line-height: 1.2; }
.header__logo-name {
  font-family: var(--font-heading);
  font-size: 1.05rem;
  font-weight: 700;
  color: var(--color-navy);
}
.header__logo-sub {
  font-size: 0.6rem;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  color: var(--color-gold);
}

/* 主导航 */
.header__nav { display:flex; align-items:center; gap:2px; }
.header__nav-link {
  padding: 8px 15px;
  font-size: 0.88rem;
  color: var(--text-nav);
  border-radius: var(--radius-xs);
  transition: all var(--duration-fast) var(--ease-smooth);
  white-space: nowrap;
  font-weight: 500;
}
.header__nav-link:hover,
.header__nav-link.active {
  color: var(--color-gold);
  background: var(--color-gold-dim);
}

/* 导航下拉 */
.header__nav-item { position:relative; }
.header__nav-item:hover .header__dropdown {
  opacity:1; visibility:visible; transform:translateY(0);
}
.header__dropdown {
  position:absolute;
  top:100%; left:0;
  min-width:180px;
  padding:8px 0;
  background:#fff;
  border:1px solid var(--border-default);
  border-radius:var(--radius-md);
  box-shadow:var(--shadow-lg);
  opacity:0; visibility:hidden;
  transform:translateY(6px);
  transition:all var(--duration-normal) var(--ease-smooth);
  z-index:60; /* 13.3 */
}
.header__dropdown a {
  display:block;
  padding:10px 20px;
  font-size:0.88rem;
  color:var(--text-secondary);
  transition:all var(--duration-fast);
}
.header__dropdown a:hover {
  color:var(--color-gold);
  background:var(--bg-lighter);
}

/* 头部右侧 */
.header__actions {
  display:flex; align-items:center; gap:10px; margin-left:20px;
}
.header__lang-switch {
  font-size:0.8rem; color:var(--text-secondary);
  padding:6px 10px; border-radius:var(--radius-xs);
  border:1px solid var(--border-default);
  background:transparent; cursor:pointer;
  font-weight:500; transition:all var(--duration-fast);
}
.header__lang-switch:hover { border-color:var(--color-gold); color:var(--color-gold); }
.header__cta {
  display:inline-flex; align-items:center; gap:6px;
  padding:9px 20px;
  background:var(--color-navy);
  color:#fff;
  font-size:0.84rem; font-weight:600;
  border-radius:var(--radius-xs);
  transition:all var(--duration-fast) var(--ease-smooth);
}
.header__cta:hover { color:#fff; background:var(--color-navy-hover); }

/* 汉堡菜单 (独立 — 13.4) */
.hamburger {
  display:none;
  width:40px; height:40px;
  flex-direction:column; align-items:center; justify-content:center;
  gap:5px; background:none; border:none;
  cursor:pointer; z-index:110; margin-left:8px;
}
.hamburger span {
  display:block; width:22px; height:2px;
  background:var(--color-navy); border-radius:1px;
  transition:all var(--duration-normal) var(--ease-smooth);
}
.hamburger.active span:nth-child(1) { transform:rotate(45deg) translate(5px,5px); }
.hamburger.active span:nth-child(2) { opacity:0; transform:scaleX(0); }
.hamburger.active span:nth-child(3) { transform:rotate(-45deg) translate(5px,-5px); }

/* 移动端侧滑菜单 */
.mobile-nav {
  position:fixed; top:0; left:0; bottom:0;
  width:80%; max-width:360px;
  background:#fff; z-index:120;
  transform:translateX(-100%);
  transition:transform var(--duration-normal) var(--ease-smooth);
  overflow-y:auto;
}
.mobile-nav.open { transform:translateX(0); box-shadow:var(--shadow-xl); }
.mobile-nav__inner { padding:24px; padding-top:80px; }
.mobile-nav__link {
  display:block; padding:14px 16px; font-size:1rem;
  color:var(--text-primary); border-radius:var(--radius-sm);
  border-bottom:1px solid var(--border-light);
  transition:all var(--duration-fast);
}
.mobile-nav__link:hover { color:var(--color-gold); background:var(--bg-lighter); }
.mobile-nav__sub { padding-left:16px; display:none; }
.mobile-nav__sub.open { display:block; }
.mobile-nav__sub a {
  display:block; padding:10px 16px; font-size:0.9rem;
  color:var(--text-secondary); border-radius:var(--radius-sm);
}
.mobile-nav__overlay {
  position:fixed; inset:0; background:rgba(0,0,0,0.5);
  z-index:115; opacity:0; pointer-events:none;
  transition:opacity var(--duration-normal);
}
.mobile-nav__overlay.show { opacity:1; pointer-events:auto; }

/* ============================================================
   首页 Banner / Hero
   ============================================================ */
.hero {
  position:relative;
  height:100vh; min-height:600px; max-height:800px;
  overflow:hidden;
  background:var(--color-navy);
}
.hero .swiper { position:absolute; inset:0; }
.hero__slide {
  position:absolute; inset:0;
  background-size:cover; background-position:center;
}
.hero__overlay {
  position:absolute; inset:0; z-index:2;
  background: linear-gradient(180deg,
    rgba(11,26,46,0.4) 0%,
    rgba(11,26,46,0.15) 40%,
    rgba(11,26,46,0.8) 100%);
}
.hero__content {
  position:relative; z-index:3;
  height:100%;
  display:flex; flex-direction:column; justify-content:center;
  max-width:var(--container-max);
  margin:0 auto; padding:0 24px;
}
.hero__title {
  font-family:var(--font-heading);
  font-size:clamp(2rem, 6vw, 3.5rem);
  font-weight:700; color:#fff;
  line-height:1.2; margin-bottom:1rem;
  max-width:700px;
}
.hero__subtitle {
  font-size:clamp(1rem, 2vw, 1.2rem);
  color:rgba(255,255,255,0.78);
  margin-bottom:2rem; max-width:560px;
  font-weight:300; line-height:1.7;
}
.hero__actions { display:flex; gap:14px; flex-wrap:wrap; }
.hero-pagination { display:flex; justify-content:center; gap:8px; margin-top:24px; }
.hero-pagination .swiper-pagination-bullet {
  width:40px; height:3px; border-radius:2px;
  background:rgba(255,255,255,0.35); opacity:1;
  transition:all var(--duration-normal);
}
.hero-pagination .swiper-pagination-bullet-active {
  width:60px; background:var(--color-gold);
}

/* 滚动指示器 */
.hero__scroll {
  position:absolute; bottom:36px; left:50%; transform:translateX(-50%);
  z-index:5; display:flex; flex-direction:column; align-items:center;
  gap:8px; color:rgba(255,255,255,0.5);
  font-size:0.7rem; letter-spacing:0.15em;
  animation:scrollFloat 2s ease-in-out infinite;
}
.hero__scroll-line {
  width:1px; height:30px;
  background:linear-gradient(180deg, var(--color-gold), transparent);
}
@keyframes scrollFloat {
  0%,100% { transform:translateX(-50%) translateY(0); }
  50% { transform:translateX(-50%) translateY(8px); }
}

/* ============================================================
   数据统计条
   ============================================================ */
.stats-bar {
  display:grid; grid-template-columns:repeat(4, 1fr);
  gap:2px; background:var(--border-default);
}
.stats-bar__item {
  text-align:center; padding:40px 20px;
  background:#fff; transition:all var(--duration-normal);
}
.stats-bar__item:hover { background:var(--bg-lighter); }
.stats-bar__number {
  font-family:var(--font-heading);
  font-size:clamp(1.8rem, 4vw, 2.8rem);
  font-weight:700; color:var(--color-navy);
  line-height:1; margin-bottom:8px;
}
.stats-bar__number span { color:var(--color-gold); }
.stats-bar__label {
  font-size:0.88rem; color:var(--text-secondary);
}

/* ============================================================
   业务/产品卡片网格
   ============================================================ */
.grid-4 { display:grid; grid-template-columns:repeat(4,1fr); gap:24px; }
.grid-3 { display:grid; grid-template-columns:repeat(3,1fr); gap:24px; }
.grid-2 { display:grid; grid-template-columns:repeat(2,1fr); gap:24px; }

/* 产品卡片 */
.card {
  background:#fff;
  border:1px solid var(--border-default);
  border-radius:var(--radius-md);
  overflow:hidden;
  transition:all var(--duration-normal) var(--ease-smooth);
  display:block;
}
.card:hover {
  border-color:var(--border-gold);
  box-shadow:var(--shadow-lg);
  transform:translateY(-4px);
}
.card__image {
  position:relative; overflow:hidden;
  aspect-ratio:4/3; background:var(--bg-light);
}
.card__image img {
  width:100%; height:100%; object-fit:cover;
  transition:transform var(--duration-slow) var(--ease-smooth);
}
.card:hover .card__image img { transform:scale(1.06); }
.card__body { padding:20px; }
.card__tag {
  display:inline-block; padding:3px 10px;
  font-size:0.72rem; font-weight:600;
  color:var(--color-gold); background:var(--color-gold-dim);
  border-radius:3px; margin-bottom:8px;
}
.card__title {
  font-family:var(--font-heading); font-size:1.05rem;
  font-weight:600; color:var(--color-navy);
  margin-bottom:6px; line-height:1.4;
  display:-webkit-box; -webkit-line-clamp:1; -webkit-box-orient:vertical;
  overflow:hidden;
}
.card__desc {
  font-size:0.88rem; color:var(--text-secondary);
  line-height:1.6;
  display:-webkit-box; -webkit-line-clamp:2; -webkit-box-orient:vertical;
  overflow:hidden;
}
.card__meta {
  display:flex; align-items:center; gap:12px;
  margin-top:12px; font-size:0.8rem; color:var(--text-muted);
}
.card__meta i { color:var(--color-gold); font-size:0.7rem; }

/* 案例卡片 */
.card--case .card__image { aspect-ratio:16/10; }
.card--case .card__image::after {
  content:''; position:absolute; inset:0;
  background:linear-gradient(transparent 50%, rgba(11,26,46,0.5));
  opacity:0; transition:opacity var(--duration-normal);
}
.card--case:hover .card__image::after { opacity:1; }

/* 新闻列表项 */
.news-item {
  display:flex; gap:24px; align-items:center;
  padding:20px; background:#fff;
  border:1px solid var(--border-default);
  border-radius:var(--radius-md);
  transition:all var(--duration-normal) var(--ease-smooth);
  margin-bottom:12px;
}
.news-item:hover { border-color:var(--border-gold); box-shadow:var(--shadow-sm); transform:translateX(3px); }
.news-item__thumb {
  width:200px; height:140px; flex-shrink:0;
  border-radius:var(--radius-sm); overflow:hidden;
  background:var(--bg-light);
}
.news-item__thumb img { width:100%; height:100%; object-fit:cover; }
.news-item__info { flex:1; min-width:0; }
.news-item__title {
  font-family:var(--font-heading); font-size:1.1rem;
  font-weight:600; color:var(--color-navy); margin-bottom:6px;
}
.news-item__date { font-size:0.82rem; color:var(--text-muted); margin-bottom:8px; }
.news-item__desc {
  font-size:0.9rem; color:var(--text-secondary); line-height:1.6;
  display:-webkit-box; -webkit-line-clamp:2; -webkit-box-orient:vertical; overflow:hidden;
}

/* ============================================================
   企业介绍区块（左图右文）
   ============================================================ */
.about-block {
  display:grid; grid-template-columns:1fr 1fr; gap:60px; align-items:center;
}
.about-block__image {
  position:relative; border-radius:var(--radius-md); overflow:hidden;
  aspect-ratio:4/3; background:var(--bg-light); border:1px solid var(--border-default);
}
.about-block__image img { width:100%; height:100%; object-fit:cover; }
.about-block__image::before {
  content:''; position:absolute; top:16px; left:16px;
  width:100%; height:100%;
  border:2px solid var(--color-gold);
  border-radius:var(--radius-md);
  z-index:-1;
}
.about-block__text { display:flex; flex-direction:column; gap:16px; }
.about-block__text p { color:var(--text-secondary); line-height:1.8; }

/* 企业优势小图标 */
.advantages { display:grid; grid-template-columns:repeat(2,1fr); gap:12px; margin-top:8px; }
.advantage-item {
  display:flex; align-items:center; gap:10px;
  font-size:0.9rem; color:var(--text-primary); font-weight:500;
}
.advantage-item i { color:var(--color-gold); font-size:0.95rem; flex-shrink:0; }

/* ============================================================
   CTA 区块
   ============================================================ */
.cta-section {
  text-align:center; padding:70px 0;
  background:var(--color-navy);
  position:relative; overflow:hidden;
}
.cta-section::before {
  content:''; position:absolute;
  top:50%; left:50%; transform:translate(-50%,-50%);
  width:500px; height:500px;
  background:radial-gradient(circle, rgba(201,168,76,0.08) 0%, transparent 70%);
  pointer-events:none;
}
.cta-section__title {
  font-size:clamp(1.6rem, 3.5vw, 2.4rem);
  color:#fff; margin-bottom:1rem;
  position:relative;
}
.cta-section__text {
  color:var(--text-light); font-size:1rem; margin-bottom:32px; position:relative;
}
.cta-section .btn--gold { position:relative; }

/* ============================================================
   全球网络地图区
   ============================================================ */
.network-grid {
  display:grid; grid-template-columns:1fr 1fr; gap:48px; align-items:start;
}
.network-map {
  border-radius:var(--radius-md); overflow:hidden;
  border:1px solid var(--border-default);
  background:var(--bg-light);
  aspect-ratio:4/3;
  display:flex; align-items:center; justify-content:center;
}
.network-map img { width:100%; height:100%; object-fit:cover; }
.network-offices { display:flex; flex-direction:column; gap:16px; }
.network-office {
  padding:20px; background:#fff;
  border:1px solid var(--border-default);
  border-radius:var(--radius-md);
  border-left:4px solid var(--color-gold);
  transition:all var(--duration-fast);
}
.network-office:hover { border-left-color:var(--color-navy); box-shadow:var(--shadow-sm); }
.network-office__city {
  font-family:var(--font-heading); font-size:1.05rem;
  font-weight:600; color:var(--color-navy); margin-bottom:4px;
}
.network-office__info {
  font-size:0.88rem; color:var(--text-secondary); line-height:1.6;
}

/* ============================================================
   合作伙伴 Logo 墙
   ============================================================ */
.partner-grid {
  display:flex; flex-wrap:wrap; justify-content:center; align-items:center;
  gap:40px;
}
.partner-grid a {
  display:flex; align-items:center; justify-content:center;
  padding:12px 24px;
  font-size:1.05rem; font-weight:600; color:var(--text-muted);
  transition:all var(--duration-fast);
  filter:grayscale(100%); opacity:0.55;
}
.partner-grid a:hover { filter:grayscale(0); opacity:1; color:var(--color-gold); }

/* ============================================================
   内页 Banner
   ============================================================ */
.inner-banner {
  position:relative; height:300px; overflow:hidden;
  background:var(--color-navy);
}
.inner-banner__bg {
  position:absolute; inset:0;
  background-size:cover; background-position:center;
  opacity:0.35;
}
.inner-banner__overlay {
  position:absolute; inset:0;
  background:linear-gradient(180deg, rgba(11,26,46,0.5) 0%, rgba(11,26,46,0.85) 100%);
}
.inner-banner__content {
  position:relative; height:100%;
  display:flex; flex-direction:column; justify-content:center;
  max-width:var(--container-max);
  margin:0 auto; padding:0 24px;
}
.inner-banner__title {
  font-size:clamp(1.6rem, 4vw, 2.5rem);
  font-weight:700; color:#fff; margin-bottom:0.4rem;
}
.inner-banner__subtitle {
  font-size:1rem; color:var(--text-light);
}

/* 固定头部占位：内页首屏(banner)从导航栏(72px)下方开始，
   顶部标题不再被固定导航遮住（手机端 banner 被压到 200px 时更明显） */
.inner-banner {
  margin-top: var(--header-h);
}

/* 面包屑 */
.breadcrumb-bar {
  background:var(--bg-white); border-bottom:1px solid var(--border-light);
}
.breadcrumb {
  display:flex; align-items:center; gap:8px;
  max-width:var(--container-max); margin:0 auto;
  padding:13px 24px; font-size:0.85rem; color:var(--text-muted);
}
.breadcrumb a { color:var(--text-secondary); }
.breadcrumb a:hover { color:var(--color-gold); }
.breadcrumb i { font-size:0.6rem; color:var(--text-muted); }

/* ============================================================
   子栏目过滤栏
   ============================================================ */
.filter-bar {
  display:flex; align-items:center; gap:8px;
  overflow-x:auto; padding-bottom:8px; margin-bottom:36px;
  -ms-overflow-style:none; scrollbar-width:none;
}
.filter-bar::-webkit-scrollbar { display:none; }
.filter-bar a {
  display:inline-flex; padding:8px 20px;
  font-size:0.85rem; font-weight:500;
  color:var(--text-secondary);
  border:1px solid var(--border-default);
  border-radius:100px; white-space:nowrap;
  transition:all var(--duration-fast) var(--ease-smooth);
  flex-shrink:0;
}
.filter-bar a:hover,
.filter-bar a.active {
  color:var(--color-gold); border-color:var(--color-gold);
  background:var(--color-gold-dim);
}

/* ============================================================
   详情页
   ============================================================ */
.detail { max-width:900px; margin:0 auto; }
.detail__header { margin-bottom:28px; padding-bottom:20px; border-bottom:1px solid var(--border-default); }
.detail__title {
  font-size:clamp(1.4rem, 3vw, 2rem);
  font-weight:700; color:var(--color-navy); margin-bottom:10px;
}
.detail__meta {
  display:flex; flex-wrap:wrap; gap:18px;
  font-size:0.85rem; color:var(--text-muted);
}
.detail__meta i { margin-right:4px; color:var(--color-gold); }

/* 扩展字段参数卡片 */
.detail__params {
  display:grid;
  grid-template-columns:repeat(auto-fit, minmax(140px, 1fr));
  gap:12px; margin-bottom:28px;
}
.detail__param {
  padding:16px; background:var(--bg-lighter);
  border:1px solid var(--border-default);
  border-radius:var(--radius-sm); text-align:center;
  transition:all var(--duration-fast);
}
.detail__param:hover { border-color:var(--color-gold); }
.detail__param-label {
  font-size:0.75rem; color:var(--text-muted); margin-bottom:4px;
}
.detail__param-value {
  font-size:0.95rem; font-weight:600; color:var(--color-navy);
}

.detail__body {
  color:var(--text-primary); line-height:2;
  font-size:0.95rem; letter-spacing:0.015em;
}
.detail__body img { border-radius:var(--radius-sm); margin:20px 0; max-width:100%; }
.detail__body p { margin-bottom:14px; }
.detail__body h2, .detail__body h3 {
  font-family:var(--font-heading); color:var(--color-navy);
  margin-top:28px; margin-bottom:14px;
}

/* 上下篇 */
.detail__pager {
  display:flex; justify-content:space-between; align-items:center;
  margin-top:40px; padding-top:20px;
  border-top:1px solid var(--border-default);
  font-size:0.88rem; color:var(--text-muted); flex-wrap:wrap; gap:8px;
}
.detail__pager a { color:var(--text-secondary); }
.detail__pager a:hover { color:var(--color-gold); }

/* ============================================================
   联系我们
   ============================================================ */
.contact-grid {
  display:grid; grid-template-columns:1fr 1fr; gap:48px;
}
.contact-info-card {
  padding:20px; background:#fff;
  border:1px solid var(--border-default);
  border-radius:var(--radius-md); margin-bottom:12px;
  display:flex; align-items:flex-start; gap:16px;
  transition:all var(--duration-fast);
}
.contact-info-card:hover { border-color:var(--border-gold); box-shadow:var(--shadow-sm); }
.contact-info-card__icon {
  width:44px; height:44px; border-radius:var(--radius-sm);
  background:var(--color-gold-dim);
  display:flex; align-items:center; justify-content:center;
  color:var(--color-gold); font-size:1rem; flex-shrink:0;
}
.contact-info-card__label {
  font-size:0.8rem; font-weight:600; color:var(--text-primary); margin-bottom:2px;
}
.contact-info-card__value { font-size:0.88rem; color:var(--text-secondary); }

.contact-form-card {
  padding:36px; background:var(--bg-lighter);
  border:1px solid var(--border-default);
  border-radius:var(--radius-lg);
}

/* ============================================================
   表单
   ============================================================ */
.form-group { margin-bottom:16px; }
.form-group label {
  display:block; font-size:0.85rem;
  color:var(--text-secondary); margin-bottom:6px; font-weight:500;
}
.form-group label .required { color:#E53E3E; }
.form-control {
  width:100%; padding:12px 16px;
  background:#fff; border:1px solid var(--border-default);
  border-radius:var(--radius-sm);
  color:var(--text-primary); font-size:0.9rem;
  transition:all var(--duration-fast) var(--ease-smooth);
}
.form-control:focus {
  outline:none; border-color:var(--color-gold);
  box-shadow:0 0 0 3px var(--color-gold-dim);
}
textarea.form-control { resize:vertical; min-height:100px; }
select.form-control { appearance:none; background:#fff url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='12' fill='%2394A3B8' viewBox='0 0 16 16'%3E%3Cpath d='M8 11L3 6h10z'/%3E%3C/svg%3E") no-repeat right 14px center; padding-right:36px; }

/* ============================================================
   搜索
   ============================================================ */
.search-form-row { display:flex; gap:10px; }
.search-input-wrap { position:relative; flex:1; }
.search-input-wrap i {
  position:absolute; left:16px; top:50%; transform:translateY(-50%);
  color:var(--text-muted); font-size:0.95rem;
}
.search-input-wrap input { padding-left:42px; }
.search-result-item {
  display:flex; gap:16px; padding:18px;
  background:#fff; border:1px solid var(--border-default);
  border-radius:var(--radius-md); transition:all var(--duration-fast);
  margin-bottom:10px;
}
.search-result-item:hover { border-color:var(--border-gold); box-shadow:var(--shadow-sm); }
.search-result-item__thumb {
  width:100px; height:80px; border-radius:var(--radius-sm);
  overflow:hidden; flex-shrink:0; background:var(--bg-light);
}
.search-result-item__thumb img { width:100%; height:100%; object-fit:cover; }
.search-result-item__info { flex:1; min-width:0; }
.search-result-item__title {
  font-family:var(--font-heading); font-size:0.98rem;
  font-weight:600; color:var(--color-navy); margin-bottom:4px;
  white-space:nowrap; overflow:hidden; text-overflow:ellipsis;
}
.search-result-item__date { font-size:0.78rem; color:var(--text-muted); margin-bottom:4px; }
.search-result-item__desc {
  font-size:0.85rem; color:var(--text-secondary);
  display:-webkit-box; -webkit-line-clamp:2; -webkit-box-orient:vertical; overflow:hidden;
}

/* ============================================================
   分页
   ============================================================ */
.pagination { display:flex; justify-content:center; align-items:center; gap:4px; margin-top:48px; }
.pagination a, .pagination span {
  display:inline-flex; align-items:center; justify-content:center;
  min-width:40px; height:40px; padding:0 8px;
  font-size:0.88rem; color:var(--text-secondary);
  border-radius:var(--radius-sm);
  transition:all var(--duration-fast) var(--ease-smooth);
}
.pagination a:hover { background:var(--bg-light); color:var(--color-navy); }
.pagination .active { background:var(--color-navy); color:#fff; font-weight:600; }
.pagination .disabled { color:var(--text-muted); pointer-events:none; }

/* 空状态 */
.empty-state { text-align:center; padding:60px 20px; }
.empty-state i { font-size:2.5rem; color:var(--text-muted); margin-bottom:16px; display:block; }
.empty-state p { color:var(--text-muted); font-size:0.95rem; }

/* ============================================================
   Footer 底部
   ============================================================ */
.footer {
  background:var(--color-navy); color:var(--text-light);
  border-top:3px solid var(--color-gold);
}
.footer__grid {
  display:grid; grid-template-columns:1.5fr 1fr 1fr 1fr;
  gap:40px; padding:56px 0 40px;
  max-width:var(--container-max); margin:0 auto;
  padding-left:24px; padding-right:24px;
}
.footer__brand-desc {
  font-size:0.88rem; color:var(--text-light);
  line-height:1.8; margin:16px 0; opacity:0.8;
}
.footer__col-title {
  font-family:var(--font-heading); font-size:1rem;
  font-weight:600; color:#fff; margin-bottom:20px;
}
.footer__links { display:flex; flex-direction:column; gap:10px; }
.footer__links a {
  font-size:0.88rem; color:var(--text-light); opacity:0.75;
  transition:all var(--duration-fast);
}
.footer__links a:hover { color:var(--color-gold); opacity:1; }
.footer__contact-item {
  display:flex; align-items:flex-start; gap:10px;
  font-size:0.85rem; color:var(--text-light);
  margin-bottom:10px; opacity:0.75;
}
.footer__contact-item i { color:var(--color-gold); margin-top:3px; flex-shrink:0; }
.footer__bottom {
  border-top:1px solid rgba(255,255,255,0.1);
  padding:20px 0;
}
.footer__bottom-inner {
  display:flex; justify-content:space-between; align-items:center;
  max-width:var(--container-max); margin:0 auto;
  padding:0 24px; font-size:0.8rem;
  color:var(--text-light); opacity:0.6;
  flex-wrap:wrap; gap:8px;
}
.footer__bottom a { color:var(--text-light); opacity:0.8; }
.footer__bottom a:hover { color:var(--color-gold); opacity:1; }

/* 友情链接 */
.friend-links {
  display:flex; flex-wrap:wrap; gap:14px; align-items:center;
  padding:16px 0; border-bottom:1px solid rgba(255,255,255,0.08);
}
.friend-links__label { font-size:0.8rem; color:var(--text-light); opacity:0.5; flex-shrink:0; }
.friend-links a { font-size:0.8rem; color:var(--text-light); opacity:0.5; transition:all var(--duration-fast); }
.friend-links a:hover { color:var(--color-gold); opacity:1; }

/* ============================================================
   返回顶部 & 在线客服
   ============================================================ */
.back-top {
  position:fixed; right:20px; bottom:80px;
  width:40px; height:40px; border-radius:50%;
  background:var(--color-navy); border:1px solid rgba(255,255,255,0.2);
  color:#fff; display:flex; align-items:center; justify-content:center;
  font-size:0.9rem; cursor:pointer; z-index:80;
  opacity:0; pointer-events:none;
  transition:all var(--duration-normal) var(--ease-smooth);
}
.back-top.show { opacity:1; pointer-events:auto; }
.back-top:hover { background:var(--color-gold); border-color:var(--color-gold); }

.online-service {
  position:fixed; right:20px; bottom:130px;
  width:48px; height:48px; border-radius:50%;
  background:var(--color-gold); color:#fff;
  display:flex; align-items:center; justify-content:center;
  font-size:1.2rem; cursor:pointer; z-index:80;
  box-shadow:var(--shadow-lg);
  transition:all var(--duration-normal) var(--ease-smooth);
  animation:btnPulse 2s infinite;
}
.online-service:hover { background:var(--color-gold-light); transform:scale(1.08); }
@keyframes btnPulse {
  0% { box-shadow:0 0 0 0 rgba(201,168,76,0.4); }
  70% { box-shadow:0 0 0 14px rgba(201,168,76,0); }
  100% { box-shadow:0 0 0 0 rgba(201,168,76,0); }
}

/* ============================================================
   动画
   ============================================================ */
@keyframes fadeInUp {
  from { opacity:0; transform:translateY(20px); }
  to { opacity:1; transform:translateY(0); }
}
[data-aos] { transition-timing-function:var(--ease-smooth); }

/* ============================================================
   响应式 — 平板断点 (≤1023px)
   ============================================================ */
@media (max-width:1023px) {
  :root { --section-py:64px; --section-py-sm:48px; }
  .header__nav, .header__actions { display:none; }
  .hamburger { display:flex; }
  .grid-4 { grid-template-columns:repeat(2,1fr); }
  .grid-3 { grid-template-columns:repeat(2,1fr); }
  .about-block { grid-template-columns:1fr; gap:36px; }
  .network-grid { grid-template-columns:1fr; }
  .contact-grid { grid-template-columns:1fr; }
  .footer__grid { grid-template-columns:1fr 1fr; }
  .stats-bar { grid-template-columns:repeat(2,1fr); }
  .detail__pager { flex-direction:column; text-align:center; }
  .news-item { flex-direction:column; }
  .news-item__thumb { width:100%; height:180px; }
}

/* ============================================================
   响应式 — 手机断点 (≤767px)
   ============================================================ */
@media (max-width:767px) {
  :root { --section-py:48px; --section-py-sm:36px; }
  html { overflow-x:hidden; }
  body { overflow-x:hidden; width:100%; }
  .container { padding:0 16px; }
  .hero { height:60vh; min-height:360px; }
  .hero__content { justify-content:flex-end; padding-bottom:44px; padding-left:16px; padding-right:16px; }
  .hero__title { text-align:center; }
  .hero__subtitle { text-align:center; }
  .hero__actions { justify-content:center; }
  .hero__scroll { display:none; }
  .inner-banner { height:200px; }
  .inner-banner__content { padding:0 16px; }
  .inner-banner__title { text-align:center; }
  .inner-banner__subtitle { text-align:center; }
  .grid-4 { grid-template-columns:repeat(2,1fr); gap:12px; }
  .grid-3, .grid-2 { grid-template-columns:1fr; }
  /* 首页"产品精选"专属：手机一行 2 个、只显示前 4 个(2×2)；不作用到列表/案例页 */
  .grid-featured { grid-template-columns:repeat(2,1fr); gap:12px; }
  .grid-featured > *:nth-child(n+5) { display:none; }
  /* 首页"客户案例"专属：只留前 2 个(每行 1 个)，卡片压扁 */
  .grid-cases { gap:12px; }
  .grid-cases > *:nth-child(n+3) { display:none; }
  .grid-cases .card--case .card__image { aspect-ratio:2/1; }
  /* 产品列表页(手机)：每行 2 个 */
  .product-grid { grid-template-columns:repeat(2,1fr); gap:12px; }
  /* 客户案例列表页(手机)：每行 1 个，卡片压缩 */
  .case-grid { gap:14px; }
  .case-grid .card--case .card__image { aspect-ratio:2/1; }
  .case-grid .card__title { font-size:1rem; margin-bottom:2px; }
  .case-grid .card__desc { -webkit-line-clamp:1; }
  .case-grid .card__meta { margin-top:6px; }
  /* 首页"新闻资讯"专属：只留前 2 条(每行 1 个)，条目压缩 */
  .news-feed > *:nth-child(n+3) { display:none; }
  .news-feed .news-item { padding:10px 12px; margin-bottom:8px; }
  .news-feed .news-item__thumb { height:110px; }
  .news-feed .news-item__title { font-size:0.95rem; margin-bottom:2px; }
  .news-feed .news-item__date { font-size:0.75rem; margin-bottom:2px; }
  .news-feed .news-item__desc { -webkit-line-clamp:1; }
  /* "全球合作"CTA 区(手机)：压紧上下留白与字号 */
  .cta-section { padding:44px 0; }
  .cta-section__title { font-size:1.45rem; margin-bottom:0.6rem; }
  .cta-section__text { font-size:0.9rem; margin-bottom:20px; }
  .stats-bar { grid-template-columns:repeat(2,1fr); }
  .stats-bar__item { padding:14px 8px; }
  .stats-bar__number { font-size:1.5rem; margin-bottom:4px; }
  .stats-bar__label { font-size:0.74rem; }
  /* 合作伙伴(手机)：每行 4 个等宽网格卡片，避免名字长短不一显得乱 */
  .partner-grid {
    display:grid;
    grid-template-columns:repeat(4, 1fr);
    gap:8px;
  }
  .partner-grid a {
    display:flex; align-items:center; justify-content:center;
    min-height:56px;
    padding:8px 4px;
    border:1px solid var(--border-default);
    border-radius:var(--radius-sm);
    background:var(--bg-white);
    font-size:0.72rem;
    line-height:1.3;
    text-align:center;
    color:var(--text-secondary);
    opacity:1; filter:none;
    overflow-wrap:anywhere;
  }
  .partner-grid a:hover {
    color:var(--color-gold);
    border-color:var(--border-gold);
    background:var(--bg-lighter);
  }
  .footer__grid { grid-template-columns:1fr; gap:28px; }
  /* 底部"快速链接"手机端横排 */
  .footer__links { flex-direction:row; flex-wrap:wrap; column-gap:18px; row-gap:4px; }
  .footer__bottom-inner { flex-direction:column; text-align:center; }
  .card__body { padding:14px; }
  .contact-form-card { padding:20px 16px; }
  .contact-info-card { padding:16px; }
  .detail__params { grid-template-columns:repeat(2,1fr); }
  .detail__title { text-align:center; }
  .detail__meta { justify-content:center; }
  .search-result-item { flex-direction:column; }
  .search-result-item__thumb { width:100%; height:140px; }
  .section-header { padding:0 8px; }
  .section-title { text-align:center; }
  .section-subtitle { text-align:center; margin:0 auto; }
  .about-block__image::before { display:none; }
  /* 关于我们区(手机)整体压紧：图更矮、间距更小 */
  .about-block { gap:20px; }
  .about-block__text { gap:10px; }
  .about-block__text p { line-height:1.7; }
  .about-block__image { aspect-ratio:16/10; }
  .advantages { margin-top:2px; gap:8px; }
  .advantage-item { font-size:0.82rem; }
  .network-grid { gap:16px; }
  .network-map { aspect-ratio:16/10; }
  .network-offices { gap:10px; }
  .network-office { padding:12px 14px; }
  .network-office__city { margin-bottom:2px; font-size:1rem; }
  .network-office__info { font-size:0.84rem; line-height:1.5; }
  /* “全球网络”内页(手机)专属压缩：图更扁、办事处 2 列、正文紧凑 */
  .network-page .network-map { aspect-ratio:16/9; }
  .network-page .network-offices {
    display:grid;
    grid-template-columns:repeat(2,1fr);
    gap:8px;
  }
  .network-page .network-office { padding:10px 12px; }
  .network-page .network-office__city { font-size:0.95rem; }
  .network-page .network-office__info { font-size:0.8rem; line-height:1.45; }
  .network-page .detail__body { font-size:0.9rem; }
  .news-item { flex-direction:column; }
  .news-item__thumb { width:100%; height:180px; }
  .news-item__title { font-size:1rem; }
  .filter-bar { padding:0 8px; }
  .filter-bar a { padding:6px 14px; font-size:0.8rem; }
  .breadcrumb { padding:12px 16px; }
  .back-top { right:12px; bottom:60px; }
  .online-service { right:12px; bottom:110px; }
}

@media (max-width:374px) {
  .detail__params { grid-template-columns:1fr; }
  .container { padding:0 12px; }
}

/* 减少动画 */
@media (prefers-reduced-motion:reduce) {
  *, *::before, *::after {
    animation-duration:0.01ms !important;
    animation-iteration-count:1 !important;
    transition-duration:0.01ms !important;
    scroll-behavior:auto !important;
  }
}