/* =========================================================
   英联翻译 - 公共样式（所有页面引用此文件）
   配色：深蓝 #1a3c6e / 金黄 #e8a020
   ========================================================= */

:root {
  --primary:       #1a3c6e;
  --primary-light: #2556a0;
  --primary-dark:  #0d1b2a;
  --accent:        #e8a020;
  --accent-light:  #f5c242;
  --text:          #2d3748;
  --text-light:    #718096;
  --bg:            #f7f9fc;
  --white:         #ffffff;
  --border:        #e2e8f0;
  --success:       #38a169;
  --gradient:      linear-gradient(135deg, #1a3c6e 0%, #2556a0 50%, #1e6fa8 100%);
  --shadow-sm:     0 2px 8px rgba(26,60,110,.08);
  --shadow-md:     0 8px 24px rgba(26,60,110,.12);
  --shadow-lg:     0 16px 48px rgba(26,60,110,.18);
  --radius:        10px;
  --radius-lg:     16px;
  --transition:    .25s ease;
}

*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; }
body {
  font-family: 'PingFang SC','Microsoft YaHei','Helvetica Neue', Arial, sans-serif;
  color: var(--text);
  background: var(--bg);
  line-height: 1.7;
  font-size: 16px;
}
a { color: inherit; text-decoration: none; }
img { max-width: 100%; height: auto; display: block; }
ul { list-style: none; }

/* ── 顶部通知栏 ── */
.top-bar {
  background: var(--primary-dark);
  color: rgba(255,255,255,.75);
  font-size: 13px;
  padding: 6px 0;
}
.top-bar .inner {
  max-width: 1200px; margin: 0 auto; padding: 0 24px;
  display: flex; align-items: center; justify-content: space-between;
}
.top-bar a { color: rgba(255,255,255,.9); }
.top-bar a:hover { color: var(--accent-light); }

/* ── HEADER ── */
.site-header {
  background: var(--white);
  box-shadow: var(--shadow-sm);
  position: sticky; top: 0; z-index: 1000;
}
.header-inner {
  max-width: 1200px; margin: 0 auto; padding: 0 24px;
  display: flex; align-items: center; justify-content: space-between;
  height: 70px;
}

/* Logo */
.logo { display: flex; align-items: center; gap: 12px; flex-shrink: 0; }
.logo-icon {
  width: 44px; height: 44px;
  background: var(--gradient);
  border-radius: 10px;
  display: flex; align-items: center; justify-content: center;
  color: #fff; font-size: 14px; font-weight: 800; letter-spacing: -0.5px;
}
.logo-text { display: flex; flex-direction: column; }
.logo-name { font-size: 20px; font-weight: 700; color: var(--primary); line-height: 1.2; }
.logo-sub  { font-size: 11px; color: var(--text-light); letter-spacing: 1px; }

/* ── 主导航 ── */
.main-nav {
  display: flex; align-items: center; gap: 2px;
}
.main-nav > li { position: relative; }
.main-nav > li > a {
  display: flex; align-items: center; gap: 4px;
  padding: 8px 14px;
  border-radius: 8px;
  font-size: 15px; font-weight: 500;
  color: var(--text);
  transition: all .2s;
  white-space: nowrap;
}
.main-nav > li > a:hover,
.main-nav > li > a.active {
  background: var(--primary);
  color: #fff;
}
.main-nav > li > a .arrow {
  width: 12px; height: 12px;
  transition: transform .2s;
  fill: none; stroke: currentColor; stroke-width: 2.5;
}
.main-nav > li:hover > a .arrow { transform: rotate(180deg); }

/* 下拉菜单 */
.dropdown {
  position: absolute; top: calc(100% + 6px); left: 0;
  background: var(--white);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  box-shadow: var(--shadow-md);
  min-width: 160px;
  padding: 8px 0;
  opacity: 0; visibility: hidden;
  transform: translateY(-6px);
  transition: all .2s;
  z-index: 200;
}
.main-nav > li:hover .dropdown {
  opacity: 1; visibility: visible; transform: translateY(0);
}
.dropdown a {
  display: block;
  padding: 9px 18px;
  font-size: 14px;
  color: var(--text);
  transition: all .15s;
}
.dropdown a:hover {
  background: linear-gradient(135deg,#f0f5ff,#e8eefa);
  color: var(--primary-light);
  padding-left: 24px;
}

/* 电话 CTA */
.header-cta { display: flex; align-items: center; gap: 12px; flex-shrink: 0; }
.tel-badge {
  display: flex; align-items: center; gap: 6px;
  background: linear-gradient(135deg, var(--accent), var(--accent-light));
  color: #fff; padding: 8px 18px;
  border-radius: 24px; font-size: 15px; font-weight: 700;
  box-shadow: 0 4px 12px rgba(232,160,32,.3);
  transition: all .2s;
}
.tel-badge:hover { transform: translateY(-1px); box-shadow: 0 6px 18px rgba(232,160,32,.4); }
.tel-badge svg { width: 16px; height: 16px; }

/* 移动菜单按钮 */
.menu-toggle {
  display: none;
  background: none; border: none; cursor: pointer;
  flex-direction: column; gap: 5px; padding: 4px;
}
.menu-toggle span {
  display: block; width: 24px; height: 2px;
  background: var(--primary); border-radius: 2px;
  transition: all .3s;
}

/* ── BREADCRUMB ── */
.breadcrumb-bar {
  background: var(--white);
  border-bottom: 1px solid var(--border);
  padding: 10px 0;
}
.breadcrumb-bar .inner {
  max-width: 1200px; margin: 0 auto; padding: 0 24px;
  display: flex; align-items: center; gap: 8px;
  font-size: 13px; color: var(--text-light);
}
.breadcrumb-bar a { color: var(--primary-light); }
.breadcrumb-bar a:hover { color: var(--accent); }
.breadcrumb-bar .sep { opacity: .5; }

/* ── 页面 Hero Banner ── */
.page-hero {
  background: var(--gradient);
  padding: 64px 0 72px;
  position: relative; overflow: hidden;
}
.page-hero::before {
  content: '';
  position: absolute; inset: 0;
  background: url("data:image/svg+xml,%3Csvg width='60' height='60' viewBox='0 0 60 60' xmlns='http://www.w3.org/2000/svg'%3E%3Cg fill='none' fill-rule='evenodd'%3E%3Cg fill='%23ffffff' fill-opacity='0.04'%3E%3Cpath d='M36 34v-4h-2v4h-4v2h4v4h2v-4h4v-2h-4zm0-30V0h-2v4h-4v2h4v4h2V6h4V4h-4zM6 34v-4H4v4H0v2h4v4h2v-4h4v-2H6zM6 4V0H4v4H0v2h4v4h2V6h4V4H6z'/%3E%3C/g%3E%3C/g%3E%3C/svg%3E");
}
.page-hero .inner {
  max-width: 1200px; margin: 0 auto; padding: 0 24px;
  position: relative; color: #fff;
}
.page-hero h1 { font-size: 38px; font-weight: 800; margin-bottom: 14px; }
.page-hero p  { font-size: 17px; opacity: .88; max-width: 580px; line-height: 1.8; }
.hero-tag-row { display: flex; flex-wrap: wrap; gap: 10px; margin-top: 24px; }
.hero-tag {
  background: rgba(255,255,255,.15);
  border: 1px solid rgba(255,255,255,.3);
  border-radius: 20px; padding: 5px 14px;
  font-size: 13px;
}

/* ── SECTION ── */
.section { padding: 80px 0; }
.section.bg-light { background: var(--bg); }
.section.bg-dark  { background: linear-gradient(135deg, var(--primary-dark), var(--primary)); }
.section-inner { max-width: 1200px; margin: 0 auto; padding: 0 24px; }
.section-header { text-align: center; margin-bottom: 56px; }
.section-tag {
  display: inline-block;
  background: linear-gradient(135deg,#e8f0fe,#c7d7fc);
  color: var(--primary); font-size: 13px; font-weight: 600;
  padding: 5px 14px; border-radius: 20px; margin-bottom: 12px;
}
.section.bg-dark .section-tag {
  background: rgba(255,255,255,.15); color: rgba(255,255,255,.9);
}
.section-title {
  font-size: 36px; font-weight: 800;
  color: var(--primary-dark); margin-bottom: 14px;
}
.section-title em { color: var(--primary-light); font-style: normal; }
.section.bg-dark .section-title { color: #fff; }
.section.bg-dark .section-title em { color: var(--accent-light); }
.section-desc { font-size: 16px; color: var(--text-light); max-width: 620px; margin: 0 auto; }
.section.bg-dark .section-desc { color: rgba(255,255,255,.7); }

/* ── 通用卡片 ── */
.card {
  background: var(--white);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-sm);
  overflow: hidden;
  transition: all .3s;
}
.card:hover { box-shadow: var(--shadow-md); transform: translateY(-4px); }

/* ── 按钮 ── */
.btn {
  display: inline-flex; align-items: center; gap: 8px;
  padding: 12px 26px; border-radius: 10px;
  font-size: 15px; font-weight: 600;
  cursor: pointer; border: none;
  transition: all .25s; text-decoration: none;
}
.btn-primary {
  background: var(--accent); color: #fff;
  box-shadow: 0 4px 16px rgba(232,160,32,.35);
}
.btn-primary:hover {
  background: var(--accent-light); transform: translateY(-2px);
  box-shadow: 0 8px 24px rgba(232,160,32,.45);
}
.btn-dark {
  background: var(--primary); color: #fff;
}
.btn-dark:hover { background: var(--primary-light); transform: translateY(-1px); }
.btn-outline {
  background: transparent; color: var(--primary);
  border: 2px solid var(--primary);
}
.btn-outline:hover { background: var(--primary); color: #fff; }
.btn-sm { padding: 8px 18px; font-size: 14px; }

/* ── 列表页通用 ── */
.list-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 28px; }
.list-card .card-img {
  height: 200px; overflow: hidden;
  background: linear-gradient(135deg, #e8eefa, #c7d7fc);
  display: flex; align-items: center; justify-content: center;
  font-size: 52px;
}
.list-card .card-body { padding: 24px; }
.list-card .card-meta {
  display: flex; align-items: center; gap: 12px;
  font-size: 13px; color: var(--text-light); margin-bottom: 10px;
}
.list-card .card-label {
  background: linear-gradient(135deg,#e8f0fe,#c7d7fc);
  color: var(--primary); font-size: 12px; font-weight: 600;
  padding: 2px 10px; border-radius: 12px;
}
.list-card h3 { font-size: 17px; font-weight: 700; color: var(--primary-dark); margin-bottom: 10px; line-height: 1.5; }
.list-card p  { font-size: 14px; color: var(--text-light); line-height: 1.8; margin-bottom: 16px; }
.list-card .read-more {
  font-size: 14px; font-weight: 600; color: var(--primary-light);
  display: inline-flex; align-items: center; gap: 4px;
  transition: gap .2s;
}
.list-card .read-more:hover { gap: 8px; color: var(--accent); }

/* 分页 */
.pagination {
  display: flex; justify-content: center; gap: 8px;
  margin-top: 48px;
}
.pagination a, .pagination span {
  width: 40px; height: 40px;
  display: flex; align-items: center; justify-content: center;
  border: 1px solid var(--border);
  border-radius: 8px; font-size: 14px;
  color: var(--text); transition: all .2s;
}
.pagination a:hover { border-color: var(--primary); color: var(--primary); }
.pagination .active {
  background: var(--primary); color: #fff; border-color: var(--primary);
}

/* ── 侧边栏 ── */
.sidebar-box {
  background: var(--white);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 24px;
  margin-bottom: 24px;
}
.sidebar-box h4 {
  font-size: 16px; font-weight: 700; color: var(--primary);
  margin-bottom: 16px; padding-bottom: 12px;
  border-bottom: 2px solid var(--accent);
}
.sidebar-links a {
  display: flex; align-items: center; gap: 8px;
  padding: 9px 0;
  font-size: 14px; color: var(--text);
  border-bottom: 1px solid var(--border);
  transition: all .2s;
}
.sidebar-links a:last-child { border-bottom: none; }
.sidebar-links a:hover { color: var(--primary-light); padding-left: 6px; }
.sidebar-links a.active { color: var(--accent); font-weight: 600; }

/* ── CTA 横幅 ── */
.cta-band {
  background: linear-gradient(135deg, var(--accent), var(--accent-light), var(--accent));
  padding: 64px 0;
  text-align: center;
}
.cta-band h2 { font-size: 34px; font-weight: 800; color: #fff; margin-bottom: 12px; }
.cta-band p  { font-size: 17px; color: rgba(255,255,255,.92); margin-bottom: 32px; }
.btn-white {
  background: #fff; color: var(--primary);
  font-weight: 700;
  box-shadow: 0 4px 16px rgba(0,0,0,.15);
}
.btn-white:hover { transform: translateY(-2px); box-shadow: 0 8px 24px rgba(0,0,0,.2); }

/* ── FOOTER ── */
.site-footer {
  background: var(--primary-dark);
  color: rgba(255,255,255,.75);
  padding: 60px 0 30px;
}
.footer-grid {
  max-width: 1200px; margin: 0 auto; padding: 0 24px;
  display: grid; grid-template-columns: 2fr 1fr 1fr 1fr;
  gap: 40px; margin-bottom: 40px;
}
.footer-brand .logo-name { color: #fff; font-size: 20px; }
.footer-brand .logo-sub  { color: rgba(255,255,255,.5); }
.footer-brand p { font-size: 14px; line-height: 1.8; margin-top: 16px; margin-bottom: 20px; }
.footer-contacts { display: flex; flex-direction: column; gap: 8px; }
.footer-contacts a {
  display: flex; align-items: center; gap: 8px;
  font-size: 14px; transition: color .2s;
}
.footer-contacts a:hover { color: var(--accent-light); }
.footer-contacts svg { width: 15px; height: 15px; flex-shrink: 0; }
.footer-col h4 {
  color: #fff; font-size: 15px; font-weight: 700;
  margin-bottom: 18px; padding-bottom: 10px;
  border-bottom: 1px solid rgba(255,255,255,.12);
}
.footer-col ul { display: flex; flex-direction: column; gap: 10px; }
.footer-col ul a { font-size: 14px; transition: color .2s; }
.footer-col ul a:hover { color: var(--accent-light); }
.footer-bottom {
  max-width: 1200px; margin: 0 auto; padding: 20px 24px 0;
  border-top: 1px solid rgba(255,255,255,.1);
  display: flex; justify-content: space-between; align-items: center;
  font-size: 13px;
}
.footer-certs { display: flex; gap: 10px; }
.cert-badge {
  background: rgba(255,255,255,.1);
  border: 1px solid rgba(255,255,255,.2);
  border-radius: 6px; padding: 4px 10px; font-size: 12px;
}

/* ── 悬浮按钮 ── */
.float-btns {
  position: fixed; right: 22px; bottom: 80px;
  display: flex; flex-direction: column; gap: 10px; z-index: 999;
}
.float-btn {
  width: 50px; height: 50px; border-radius: 50%;
  display: flex; align-items: center; justify-content: center;
  font-size: 20px;
  box-shadow: var(--shadow-md); cursor: pointer;
  transition: all .2s; border: none;
}
.float-btn.consult { background: var(--primary); color: #fff; }
.float-btn.tel     { background: var(--accent);   color: #fff; }
.float-btn:hover   { transform: scale(1.1); }

/* ── 响应式 ── */
@media (max-width: 1024px) {
  .list-grid { grid-template-columns: repeat(2,1fr); }
  .footer-grid { grid-template-columns: 1fr 1fr; gap: 30px; }
}
@media (max-width: 768px) {
  .main-nav { display: none; }
  .menu-toggle { display: flex; }
  .page-hero h1 { font-size: 26px; }
  .section-title { font-size: 26px; }
  .list-grid { grid-template-columns: 1fr; }
  .footer-grid { grid-template-columns: 1fr 1fr; }
  .footer-bottom { flex-direction: column; gap: 12px; text-align: center; }

  /* 移动端菜单展开 */
  .main-nav.open {
    display: flex; flex-direction: column;
    position: absolute; top: 70px; left: 0; right: 0;
    background: var(--white);
    box-shadow: var(--shadow-md);
    padding: 12px 0 16px; gap: 0;
  }
  .main-nav.open > li > a { border-radius: 0; padding: 12px 24px; }
  .dropdown {
    position: static; opacity: 1; visibility: visible;
    transform: none; box-shadow: none;
    border: none; border-radius: 0;
    background: var(--bg); padding: 0;
  }
  .dropdown a { padding: 9px 36px; }
}