/* ============================================================
   逐西团建 - 主样式
   品牌色: 青绿 #2c5f4e / #4a7c59 + 金色 #b8914d
   风格: 江南水墨浅色系 + 高原户外活力感
   框架: 参照向心力团建网(公司团建/企业团建)布局结构
   ============================================================ */

:root {
  --color-primary: #2c5f4e;
  --color-primary-light: #4a7c59;
  --color-primary-dark: #1f4a3a;
  --color-accent: #b8914d;
  --color-accent-light: #d4af6e;
  --color-bg: #faf6f0;
  --color-bg-card: #ffffff;
  --color-text: #2c3e35;
  --color-text-light: #6b7280;
  --color-text-muted: #9ca3af;
  --color-border: #e8e3d8;
  --color-border-light: #f0ebe0;

  --shadow-sm: 0 2px 8px rgba(44, 95, 78, 0.06);
  --shadow-md: 0 6px 20px rgba(44, 95, 78, 0.10);
  --shadow-lg: 0 12px 40px rgba(44, 95, 78, 0.14);

  --radius-sm: 6px;
  --radius-md: 10px;
  --radius-lg: 16px;

  --container-max: 1280px;
  --gap: 24px;

  --font-sans: 'Noto Sans SC', 'PingFang SC', 'Microsoft YaHei', sans-serif;
  --font-serif: 'Noto Serif SC', 'STSong', 'SimSun', serif;
}

/* Reset */
* { margin: 0; padding: 0; box-sizing: border-box; }
html { scroll-behavior: smooth; -webkit-text-size-adjust: 100%; }
body {
  font-family: var(--font-sans);
  font-size: 15px;
  line-height: 1.7;
  color: var(--color-text);
  background: var(--color-bg);
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  overflow-x: hidden;
}
img { max-width: 100%; height: auto; display: block; }
a { color: inherit; text-decoration: none; transition: color .2s; }
ul, ol { list-style: none; }
button, input, textarea, select { font-family: inherit; font-size: inherit; outline: none; border: none; }
button { cursor: pointer; background: none; }
h1, h2, h3, h4, h5, h6 { font-family: var(--font-serif); font-weight: 600; line-height: 1.3; color: var(--color-primary); }
::selection { background: var(--color-primary); color: #fff; }

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

/* ============ 顶部导航 ============ */
.site-header {
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: 1000;
  background: transparent;
  transition: all .3s;
}
.site-header.scrolled {
  background: rgba(255, 255, 255, 0.96);
  box-shadow: var(--shadow-sm);
  backdrop-filter: blur(8px);
}
.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 76px;
}
.logo { display: flex; align-items: center; gap: 10px; }
.logo img { height: 44px; width: auto; }
.logo-text { font-family: var(--font-serif); font-size: 20px; font-weight: 700; color: var(--color-primary); letter-spacing: 1px; }
.logo-text .logo-en { display: block; font-family: var(--font-sans); font-size: 10px; font-weight: 500; color: var(--color-text-light); letter-spacing: 2px; }
.main-nav { display: flex; align-items: center; gap: 8px; }
.main-nav a {
  display: block;
  padding: 8px 16px;
  font-size: 15px;
  font-weight: 500;
  color: #fff;
  position: relative;
  border-radius: var(--radius-sm);
}
.site-header.scrolled .main-nav a { color: var(--color-text); }
.main-nav a:hover { color: var(--color-accent); }
.main-nav a.active { color: var(--color-accent); }
.main-nav a.active::after {
  content: '';
  position: absolute;
  left: 16px; right: 16px; bottom: 2px;
  height: 2px;
  background: var(--color-accent);
  border-radius: 1px;
}
.header-cta { display: flex; align-items: center; gap: 10px; }
.header-phone {
  display: flex; align-items: center; gap: 8px;
  color: #fff; font-size: 14px; font-weight: 500;
}
.site-header.scrolled .header-phone { color: var(--color-primary); }
.header-phone i { color: var(--color-accent); }
.menu-toggle { display: none; font-size: 24px; color: #fff; }
.site-header.scrolled .menu-toggle { color: var(--color-primary); }

/* ============ Hero 轮播 ============ */
.hero { position: relative; height: 100vh; min-height: 640px; max-height: 900px; overflow: hidden; }
.hero-slider, .hero-slide { position: absolute; inset: 0; }
.hero-slide {
  opacity: 0;
  transition: opacity 1s ease;
  background-size: cover;
  background-position: center;
}
.hero-slide.active { opacity: 1; }
.hero-slide::after {
  content: '';
  position: absolute; inset: 0;
  background: linear-gradient(180deg, rgba(20, 38, 31, 0.55) 0%, rgba(20, 38, 31, 0.45) 55%, rgba(20, 38, 31, 0.7) 100%);
}
.hero-content {
  position: relative;
  z-index: 2;
  height: 100%;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  text-align: center;
  color: #fff;
  padding: 0 24px;
}
.hero-eyebrow {
  display: inline-block;
  font-size: 15px;
  letter-spacing: 6px;
  color: var(--color-accent-light);
  margin-bottom: 20px;
  font-weight: 500;
}
.hero-title {
  font-family: var(--font-serif);
  font-size: clamp(32px, 5vw, 56px);
  font-weight: 700;
  color: #fff;
  letter-spacing: 3px;
  line-height: 1.25;
  margin-bottom: 22px;
  text-shadow: 0 2px 20px rgba(0, 0, 0, 0.3);
}
.hero-subtitle {
  font-size: clamp(15px, 2vw, 19px);
  color: rgba(255, 255, 255, 0.92);
  max-width: 720px;
  margin: 0 auto 34px;
  line-height: 1.8;
}
.hero-actions { display: flex; gap: 16px; flex-wrap: wrap; justify-content: center; }
.hero-dots {
  position: absolute;
  bottom: 32px; left: 50%;
  transform: translateX(-50%);
  z-index: 3;
  display: flex; gap: 10px;
}
.hero-dot {
  width: 34px; height: 4px;
  background: rgba(255, 255, 255, 0.4);
  border-radius: 2px;
  transition: all .3s;
}
.hero-dot.active { background: var(--color-accent); width: 44px; }
.hero-arrow {
  position: absolute;
  top: 50%; transform: translateY(-50%);
  z-index: 3;
  width: 48px; height: 48px;
  border-radius: 50%;
  background: rgba(255, 255, 255, 0.16);
  color: #fff;
  font-size: 18px;
  display: flex; align-items: center; justify-content: center;
  transition: all .3s;
  border: 1px solid rgba(255, 255, 255, 0.25);
}
.hero-arrow:hover { background: var(--color-accent); }
.hero-arrow.prev { left: 24px; }
.hero-arrow.next { right: 24px; }

/* ============ Section 通用 ============ */
.section { padding: 84px 0; position: relative; }
.section-sm { padding: 56px 0; }
.section-alt { background: #fff; }
.section-header { text-align: center; margin-bottom: 52px; }
.section-eyebrow {
  display: inline-block;
  font-size: 13px;
  color: var(--color-accent);
  letter-spacing: 4px;
  font-weight: 500;
  margin-bottom: 12px;
  position: relative;
}
.section-eyebrow::before,
.section-eyebrow::after {
  content: '';
  display: inline-block;
  width: 26px; height: 1px;
  background: var(--color-accent);
  vertical-align: middle;
  margin: 0 12px;
}
.section-title { font-size: 36px; letter-spacing: 2px; margin-bottom: 16px; }
.section-subtitle { color: var(--color-text-light); font-size: 15px; max-width: 720px; margin: 0 auto; }

/* ============ 按钮 ============ */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 14px 34px;
  font-size: 15px;
  font-weight: 500;
  border-radius: 999px;
  transition: all .25s;
  border: 1px solid transparent;
  white-space: nowrap;
  cursor: pointer;
}
.btn-primary { background: var(--color-primary); color: #fff; }
.btn-primary:hover { background: var(--color-primary-dark); transform: translateY(-2px); box-shadow: var(--shadow-md); }
.btn-accent { background: var(--color-accent); color: #fff; }
.btn-accent:hover { background: #a07c3a; transform: translateY(-2px); box-shadow: var(--shadow-md); }
.btn-outline { border-color: rgba(255, 255, 255, 0.7); color: #fff; background: transparent; }
.btn-outline:hover { background: rgba(255, 255, 255, 0.16); }
.btn-outline-dark { border-color: var(--color-primary); color: var(--color-primary); background: transparent; }
.btn-outline-dark:hover { background: var(--color-primary); color: #fff; }
.btn-sm { padding: 10px 22px; font-size: 14px; }

/* ============ 服务优势 (4大服务) ============ */
.service-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: var(--gap); }
.service-card {
  background: var(--color-bg-card);
  border-radius: var(--radius-md);
  padding: 34px 26px;
  text-align: center;
  box-shadow: var(--shadow-sm);
  border: 1px solid var(--color-border-light);
  transition: all .3s;
}
.service-card:hover { transform: translateY(-6px); box-shadow: var(--shadow-md); border-color: var(--color-accent-light); }
.service-icon {
  width: 64px; height: 64px;
  margin: 0 auto 18px;
  border-radius: 50%;
  background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-primary-light) 100%);
  color: #fff;
  font-size: 26px;
  display: flex; align-items: center; justify-content: center;
}
.service-card h3 { font-size: 19px; margin-bottom: 12px; }
.service-card p { color: var(--color-text-light); font-size: 14px; line-height: 1.7; }

/* ============ 核心优势 (4大优势) ============ */
.feature-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: var(--gap); }
.feature-card {
  display: flex;
  gap: 16px;
  padding: 28px;
  background: var(--color-bg-card);
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-sm);
  border: 1px solid var(--color-border-light);
  transition: all .3s;
}
.feature-card:hover { transform: translateY(-4px); box-shadow: var(--shadow-md); }
.feature-icon {
  flex-shrink: 0;
  width: 52px; height: 52px;
  border-radius: var(--radius-md);
  background: rgba(184, 145, 77, 0.12);
  color: var(--color-accent);
  font-size: 24px;
  display: flex; align-items: center; justify-content: center;
}
.feature-card h3 { font-size: 18px; margin-bottom: 8px; }
.feature-card p { color: var(--color-text-light); font-size: 14px; line-height: 1.65; }

/* ============ 团建项目分类 ============ */
.project-grid { display: grid; grid-template-columns: repeat(5, 1fr); gap: 18px; }
.project-card {
  position: relative;
  border-radius: var(--radius-md);
  overflow: hidden;
  height: 300px;
  display: block;
  box-shadow: var(--shadow-sm);
}
.project-card .project-bg {
  position: absolute; inset: 0;
  background-size: cover;
  background-position: center;
  transition: transform .5s;
}
.project-card:hover .project-bg { transform: scale(1.08); }
.project-card::after {
  content: '';
  position: absolute; inset: 0;
  background: linear-gradient(180deg, rgba(20, 38, 31, 0.05) 0%, rgba(20, 38, 31, 0.82) 100%);
}
.project-card-body {
  position: absolute;
  left: 0; right: 0; bottom: 0;
  z-index: 2;
  padding: 20px;
  color: #fff;
}
.project-card-icon { font-size: 22px; color: var(--color-accent-light); margin-bottom: 8px; display: block; }
.project-card-body h3 { color: #fff; font-size: 18px; margin-bottom: 6px; }
.project-card-body p { font-size: 13px; color: rgba(255, 255, 255, 0.85); line-height: 1.6; }
.project-card-en { font-size: 11px; letter-spacing: 2px; color: rgba(255, 255, 255, 0.6); display: block; margin-bottom: 6px; }

/* ============ 团建方案 ============ */
.plan-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: var(--gap); }
.plan-card {
  background: var(--color-bg-card);
  border-radius: var(--radius-md);
  overflow: hidden;
  box-shadow: var(--shadow-sm);
  border: 1px solid var(--color-border-light);
  transition: all .3s;
  display: flex;
  flex-direction: column;
}
.plan-card:hover { transform: translateY(-6px); box-shadow: var(--shadow-md); }
.plan-image { position: relative; height: 200px; overflow: hidden; }
.plan-image img { width: 100%; height: 100%; object-fit: cover; transition: transform .5s; }
.plan-card:hover .plan-image img { transform: scale(1.08); }
.plan-cat {
  position: absolute;
  top: 14px; left: 14px;
  background: var(--color-accent);
  color: #fff;
  font-size: 12px;
  padding: 4px 12px;
  border-radius: 999px;
}
.plan-body { padding: 22px; display: flex; flex-direction: column; flex: 1; }
.plan-title { font-size: 17px; margin-bottom: 12px; line-height: 1.5; }
.plan-desc { color: var(--color-text-light); font-size: 13.5px; line-height: 1.7; margin-bottom: 16px; flex: 1; }
.plan-meta { display: flex; flex-wrap: wrap; gap: 14px; margin-bottom: 16px; }
.plan-meta span { font-size: 12.5px; color: var(--color-text-light); display: flex; align-items: center; gap: 5px; }
.plan-meta i { color: var(--color-accent); }
.plan-footer { display: flex; align-items: center; justify-content: space-between; padding-top: 14px; border-top: 1px solid var(--color-border-light); }
.plan-price { font-size: 13px; color: var(--color-accent); font-weight: 600; }
.plan-link { font-size: 13px; color: var(--color-primary); font-weight: 500; display: flex; align-items: center; gap: 5px; }
.plan-link:hover { color: var(--color-accent); }

/* ============ 案例 ============ */
.case-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: var(--gap); }
.case-card {
  position: relative;
  border-radius: var(--radius-md);
  overflow: hidden;
  height: 300px;
  display: block;
  box-shadow: var(--shadow-sm);
}
.case-card img { width: 100%; height: 100%; object-fit: cover; transition: transform .5s; }
.case-card:hover img { transform: scale(1.08); }
.case-overlay {
  position: absolute; inset: 0;
  background: linear-gradient(180deg, rgba(20, 38, 31, 0.1) 0%, rgba(20, 38, 31, 0.88) 100%);
  padding: 24px;
  display: flex;
  flex-direction: column;
  justify-content: flex-end;
  color: #fff;
}
.case-tag {
  display: inline-block;
  align-self: flex-start;
  font-size: 12px;
  color: var(--color-accent-light);
  background: rgba(184, 145, 77, 0.18);
  padding: 3px 12px;
  border-radius: 999px;
  margin-bottom: 10px;
}
.case-title { color: #fff; font-size: 18px; margin-bottom: 8px; }
.case-desc { font-size: 13px; color: rgba(255, 255, 255, 0.85); line-height: 1.6; }

/* ============ 数据条 ============ */
.stats-bar {
  background: linear-gradient(135deg, var(--color-primary-dark) 0%, var(--color-primary) 60%, var(--color-primary-light) 100%);
  padding: 56px 0;
  position: relative;
  overflow: hidden;
}
.stats-bar::before {
  content: '';
  position: absolute;
  top: -40%; right: -10%;
  width: 420px; height: 420px;
  background: radial-gradient(circle, rgba(184, 145, 77, 0.18) 0%, transparent 70%);
  border-radius: 50%;
}
.stats-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: var(--gap); position: relative; z-index: 2; }
.stat-item { text-align: center; color: #fff; }
.stat-num { font-family: var(--font-serif); font-size: 44px; font-weight: 700; color: var(--color-accent-light); line-height: 1.1; }
.stat-label { font-size: 15px; color: rgba(255, 255, 255, 0.9); margin-top: 8px; letter-spacing: 2px; }

/* ============ 资讯 ============ */
.news-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: var(--gap); }
.news-card {
  background: var(--color-bg-card);
  border-radius: var(--radius-md);
  overflow: hidden;
  box-shadow: var(--shadow-sm);
  border: 1px solid var(--color-border-light);
  transition: all .3s;
  display: flex;
  flex-direction: column;
}
.news-card:hover { transform: translateY(-6px); box-shadow: var(--shadow-md); }
.news-image { position: relative; height: 180px; overflow: hidden; }
.news-image img { width: 100%; height: 100%; object-fit: cover; transition: transform .5s; }
.news-card:hover .news-image img { transform: scale(1.08); }
.news-date {
  position: absolute;
  top: 14px; left: 14px;
  background: rgba(20, 38, 31, 0.78);
  color: #fff;
  font-size: 12px;
  padding: 4px 12px;
  border-radius: 999px;
}
.news-body { padding: 20px; display: flex; flex-direction: column; flex: 1; }
.news-cat { font-size: 12px; color: var(--color-accent); margin-bottom: 8px; }
.news-title { font-size: 16px; margin-bottom: 10px; line-height: 1.5; }
.news-excerpt { color: var(--color-text-light); font-size: 13.5px; line-height: 1.7; flex: 1; margin-bottom: 12px; }
.news-more { font-size: 13px; color: var(--color-primary); display: flex; align-items: center; gap: 5px; }
.news-more:hover { color: var(--color-accent); }

/* ============ CTA ============ */
.cta-section {
  background: linear-gradient(135deg, var(--color-primary-dark) 0%, var(--color-primary) 100%);
  padding: 72px 0;
  text-align: center;
  color: #fff;
  position: relative;
  overflow: hidden;
}
.cta-section::after {
  content: '';
  position: absolute;
  bottom: -60%; left: -10%;
  width: 500px; height: 500px;
  background: radial-gradient(circle, rgba(184, 145, 77, 0.16) 0%, transparent 70%);
  border-radius: 50%;
}
.cta-section h2 { color: #fff; font-size: 34px; margin-bottom: 16px; letter-spacing: 2px; }
.cta-section p { color: rgba(255, 255, 255, 0.88); max-width: 640px; margin: 0 auto 30px; }
.cta-actions { display: flex; gap: 16px; justify-content: center; flex-wrap: wrap; position: relative; z-index: 2; }

/* ============ 页脚 ============ */
.footer { background: #1c2a24; color: rgba(255, 255, 255, 0.82); padding: 64px 0 0; }
.footer-grid { display: grid; grid-template-columns: 1.4fr 1fr 1fr 1.2fr; gap: 40px; padding-bottom: 44px; }
.footer-brand img { height: 44px; margin-bottom: 16px; }
.footer-brand p { font-size: 13.5px; line-height: 1.8; color: rgba(255, 255, 255, 0.6); }
.footer h4 { color: #fff; font-size: 17px; margin-bottom: 18px; letter-spacing: 1px; }
.footer-links li { margin-bottom: 10px; }
.footer-links a { color: rgba(255, 255, 255, 0.6); font-size: 14px; transition: all .2s; }
.footer-links a:hover { color: var(--color-accent-light); padding-left: 4px; }
.footer-contact li { display: flex; gap: 10px; margin-bottom: 14px; font-size: 14px; color: rgba(255, 255, 255, 0.7); align-items: flex-start; }
.footer-contact i { color: var(--color-accent-light); margin-top: 4px; }
.footer-qr { display: flex; gap: 16px; }
.footer-qr img { width: 100px; height: 100px; border-radius: var(--radius-sm); background: #fff; }
.footer-qr figcaption { font-size: 12px; color: rgba(255, 255, 255, 0.6); text-align: center; margin-top: 6px; }
.footer-bottom {
  border-top: 1px solid rgba(255, 255, 255, 0.1);
  padding: 20px 0;
  text-align: center;
  font-size: 13px;
  color: rgba(255, 255, 255, 0.45);
}

/* ============ 内页 Banner ============ */
.page-hero {
  position: relative;
  padding: 160px 0 80px;
  background-size: cover;
  background-position: center;
  text-align: center;
  color: #fff;
}
.page-hero::after {
  content: '';
  position: absolute; inset: 0;
  background: linear-gradient(180deg, rgba(20, 38, 31, 0.65) 0%, rgba(20, 38, 31, 0.6) 100%);
}
.page-hero .container { position: relative; z-index: 2; }
.page-hero h1 { color: #fff; font-size: clamp(30px, 4vw, 44px); letter-spacing: 3px; margin-bottom: 14px; }
.page-hero p { color: rgba(255, 255, 255, 0.88); max-width: 640px; margin: 0 auto; }
.breadcrumb {
  display: inline-flex;
  gap: 8px;
  font-size: 13px;
  color: rgba(255, 255, 255, 0.7);
  margin-bottom: 20px;
  align-items: center;
}
.breadcrumb a:hover { color: var(--color-accent-light); }
.breadcrumb i { font-size: 10px; }

/* ============ 关于我们 ============ */
.about-wrap { display: grid; grid-template-columns: 1.1fr 1fr; gap: 52px; align-items: center; }
.about-image { border-radius: var(--radius-lg); overflow: hidden; box-shadow: var(--shadow-lg); }
.about-image img { width: 100%; height: 100%; object-fit: cover; }
.about-content h2 { font-size: 30px; margin-bottom: 20px; }
.about-content p { color: var(--color-text-light); margin-bottom: 16px; line-height: 1.9; }
.about-points { margin-top: 24px; display: grid; grid-template-columns: 1fr 1fr; gap: 14px; }
.about-point {
  display: flex; gap: 10px; align-items: flex-start;
  background: var(--color-bg-card);
  padding: 16px;
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-sm);
  border: 1px solid var(--color-border-light);
}
.about-point i { color: var(--color-accent); font-size: 18px; margin-top: 3px; }
.about-point h4 { font-size: 15px; margin-bottom: 4px; }
.about-point p { font-size: 13px; margin-bottom: 0; color: var(--color-text-light); line-height: 1.6; }

/* ============ 项目详情 ============ */
.detail-hero { padding: 140px 0 40px; }
.detail-card {
  background: var(--color-bg-card);
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: var(--shadow-md);
  border: 1px solid var(--color-border-light);
}
.detail-image { height: 400px; overflow: hidden; }
.detail-image img { width: 100%; height: 100%; object-fit: cover; }
.detail-body { padding: 40px; }
.detail-body h1 { font-size: 30px; margin-bottom: 12px; }
.detail-en { color: var(--color-accent); font-size: 13px; letter-spacing: 3px; margin-bottom: 20px; display: block; }
.detail-body .detail-desc { color: var(--color-text-light); line-height: 1.9; margin-bottom: 28px; font-size: 15.5px; }
.detail-section-title { font-size: 20px; margin-bottom: 16px; padding-left: 14px; border-left: 4px solid var(--color-accent); }
.detail-features { display: flex; flex-wrap: wrap; gap: 12px; margin-bottom: 28px; }
.detail-feature {
  background: rgba(44, 95, 78, 0.06);
  color: var(--color-primary);
  padding: 10px 18px;
  border-radius: 999px;
  font-size: 14px;
  display: flex; align-items: center; gap: 8px;
}
.detail-feature i { color: var(--color-accent); }

/* ============ FAQ ============ */
.faq-list { max-width: 820px; margin: 0 auto; }
.faq-item {
  background: var(--color-bg-card);
  border: 1px solid var(--color-border-light);
  border-radius: var(--radius-md);
  margin-bottom: 14px;
  overflow: hidden;
  transition: all .3s;
}
.faq-item.active { border-color: var(--color-accent-light); box-shadow: var(--shadow-sm); }
.faq-question {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 20px 24px;
  cursor: pointer;
  font-size: 16px;
  font-weight: 500;
  color: var(--color-text);
  gap: 16px;
  text-align: left;
  width: 100%;
}
.faq-question i { color: var(--color-accent); transition: transform .3s; flex-shrink: 0; }
.faq-item.active .faq-question i { transform: rotate(180deg); }
.faq-answer { max-height: 0; overflow: hidden; transition: max-height .35s ease; }
.faq-answer p { padding: 0 24px 20px; color: var(--color-text-light); line-height: 1.8; font-size: 14.5px; }

/* ============ 联系页 ============ */
.contact-grid { display: grid; grid-template-columns: 1fr 1.4fr; gap: 40px; }
.contact-info-card {
  background: var(--color-bg-card);
  border-radius: var(--radius-md);
  padding: 34px;
  box-shadow: var(--shadow-sm);
  border: 1px solid var(--color-border-light);
}
.contact-info-card h3 { font-size: 20px; margin-bottom: 22px; }
.contact-line { display: flex; gap: 14px; margin-bottom: 20px; align-items: flex-start; }
.contact-line i {
  width: 44px; height: 44px;
  border-radius: 50%;
  background: rgba(44, 95, 78, 0.08);
  color: var(--color-primary);
  display: flex; align-items: center; justify-content: center;
  font-size: 18px;
  flex-shrink: 0;
}
.contact-line h5 { font-size: 15px; margin-bottom: 4px; }
.contact-line p { color: var(--color-text-light); font-size: 14px; }
.contact-form-card {
  background: var(--color-bg-card);
  border-radius: var(--radius-md);
  padding: 34px;
  box-shadow: var(--shadow-sm);
  border: 1px solid var(--color-border-light);
}
.contact-form-card h3 { font-size: 20px; margin-bottom: 8px; }
.contact-form-card > p { color: var(--color-text-light); font-size: 14px; margin-bottom: 24px; }
.form-row { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; margin-bottom: 16px; }
.form-group { margin-bottom: 16px; }
.form-group label { display: block; font-size: 14px; margin-bottom: 8px; color: var(--color-text); font-weight: 500; }
.form-group label span { color: var(--color-accent); }
.form-control {
  width: 100%;
  padding: 12px 16px;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-sm);
  font-size: 14px;
  background: var(--color-bg);
  transition: border-color .2s;
}
.form-control:focus { border-color: var(--color-primary-light); }
textarea.form-control { resize: vertical; min-height: 110px; }

/* ============ 资讯详情 ============ */
.article { max-width: 820px; margin: 0 auto; }
.article-meta { display: flex; gap: 20px; color: var(--color-text-light); font-size: 13px; margin-bottom: 24px; flex-wrap: wrap; }
.article-meta i { color: var(--color-accent); margin-right: 5px; }
.article-image { border-radius: var(--radius-md); overflow: hidden; margin-bottom: 30px; box-shadow: var(--shadow-sm); }
.article-image img { width: 100%; }
.article-body p { color: var(--color-text); line-height: 2; margin-bottom: 20px; font-size: 15.5px; }

/* ============ 分页 ============ */
.pagination { display: flex; justify-content: center; gap: 8px; margin-top: 44px; }
.pagination a, .pagination span {
  min-width: 40px; height: 40px;
  display: flex; align-items: center; justify-content: center;
  border-radius: var(--radius-sm);
  background: var(--color-bg-card);
  border: 1px solid var(--color-border);
  font-size: 14px;
  color: var(--color-text-light);
  transition: all .2s;
}
.pagination a:hover { border-color: var(--color-primary); color: var(--color-primary); }
.pagination .current { background: var(--color-primary); color: #fff; border-color: var(--color-primary); }

/* ============ 分类标签 ============ */
.filter-tabs { display: flex; justify-content: center; flex-wrap: wrap; gap: 10px; margin-bottom: 40px; }
.filter-tab {
  padding: 9px 24px;
  border-radius: 999px;
  background: var(--color-bg-card);
  border: 1px solid var(--color-border);
  color: var(--color-text-light);
  font-size: 14px;
  transition: all .25s;
  cursor: pointer;
}
.filter-tab:hover { border-color: var(--color-primary); color: var(--color-primary); }
.filter-tab.active { background: var(--color-primary); color: #fff; border-color: var(--color-primary); }

/* ============ 悬浮按钮 ============ */
.float-btn {
  position: fixed;
  right: 24px;
  z-index: 900;
  width: 48px; height: 48px;
  border-radius: 50%;
  background: var(--color-bg-card);
  color: var(--color-primary);
  box-shadow: var(--shadow-md);
  display: flex; align-items: center; justify-content: center;
  font-size: 20px;
  transition: all .3s;
  border: 1px solid var(--color-border-light);
}
.float-btn:hover { background: var(--color-primary); color: #fff; }
.float-btn.wechat { bottom: 130px; background: #07c160; color: #fff; border: none; }
.float-btn.wechat:hover { background: #05a04e; }
.float-btn.top { bottom: 72px; opacity: 0; visibility: hidden; }
.float-btn.top.show { opacity: 1; visibility: visible; }

/* ============ 微信弹窗 ============ */
.wx-modal {
  position: fixed; inset: 0;
  z-index: 2000;
  background: rgba(0, 0, 0, 0.6);
  display: flex; align-items: center; justify-content: center;
  opacity: 0; visibility: hidden;
  transition: all .3s;
}
.wx-modal.show { opacity: 1; visibility: visible; }
.wx-modal-card {
  background: #fff;
  border-radius: var(--radius-lg);
  padding: 36px;
  text-align: center;
  width: 320px;
  position: relative;
  transform: scale(0.9);
  transition: transform .3s;
}
.wx-modal.show .wx-modal-card { transform: scale(1); }
.wx-modal-close {
  position: absolute; top: 14px; right: 14px;
  width: 32px; height: 32px;
  border-radius: 50%;
  background: #f3f4f6;
  color: var(--color-text-light);
  display: flex; align-items: center; justify-content: center;
  font-size: 14px;
}
.wx-modal-card h4 { font-size: 19px; margin-bottom: 6px; }
.wx-modal-card p { color: var(--color-text-light); font-size: 13.5px; margin-bottom: 18px; }
.wx-modal-card img { width: 180px; height: 180px; margin: 0 auto 14px; border-radius: var(--radius-sm); }
.wx-modal-tip { font-size: 13px; color: var(--color-accent); font-weight: 500; }

/* ============ 空状态 ============ */
.empty { text-align: center; padding: 60px 0; color: var(--color-text-muted); }

/* ============ 响应式 ============ */
@media (max-width: 1024px) {
  .service-grid, .feature-grid { grid-template-columns: repeat(2, 1fr); }
  .project-grid { grid-template-columns: repeat(3, 1fr); }
  .plan-grid, .case-grid, .news-grid { grid-template-columns: repeat(2, 1fr); }
  .footer-grid { grid-template-columns: 1fr 1fr; }
  .about-wrap { grid-template-columns: 1fr; }
  .contact-grid { grid-template-columns: 1fr; }
}

@media (max-width: 768px) {
  .menu-toggle { display: block; }
  .main-nav {
    position: fixed;
    top: 76px; left: 0; right: 0;
    background: #fff;
    flex-direction: column;
    align-items: stretch;
    padding: 12px 24px 24px;
    box-shadow: var(--shadow-md);
    gap: 4px;
    transform: translateY(-120%);
    transition: transform .3s;
    max-height: calc(100vh - 76px);
    overflow-y: auto;
  }
  .main-nav.open { transform: translateY(0); }
  .main-nav a { color: var(--color-text); padding: 12px 8px; border-bottom: 1px solid var(--color-border-light); }
  .main-nav a.active::after { display: none; }
  .header-phone { display: none; }
  .header-cta .btn { padding: 9px 18px; font-size: 13px; }
  .section { padding: 60px 0; }
  .section-title { font-size: 28px; }
  .hero { min-height: 560px; }
  .hero-arrow { display: none; }
  .stats-grid { grid-template-columns: repeat(2, 1fr); }
  .project-grid { grid-template-columns: repeat(2, 1fr); }
  .about-points { grid-template-columns: 1fr; }
  .detail-body { padding: 26px; }
  .detail-image { height: 260px; }
}

@media (max-width: 480px) {
  .service-grid, .feature-grid, .plan-grid, .case-grid, .news-grid { grid-template-columns: 1fr; }
  .project-grid { grid-template-columns: 1fr; }
  .footer-grid { grid-template-columns: 1fr; }
  .form-row { grid-template-columns: 1fr; }
  .hero-title { font-size: 28px; }
  .btn { padding: 12px 26px; }
  .float-btn { right: 14px; }
}