*, *::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: #1a2942; background: #fff; line-height: 1.7; font-size: 15px; -webkit-font-smoothing: antialiased; }
a { color: inherit; text-decoration: none; transition: color .2s; }
img { max-width: 100%; display: block; }
ul { list-style: none; }
button { font-family: inherit; cursor: pointer; border: none; background: none; }
:root { --primary: #0078c8; --primary-dark: #003a6b; --primary-light: #e6f2fa; --accent: #f5a623; --text: #1a2942; --text-muted: #6b7a8f; --border: #e6eef5; --bg-soft: #f8fbfe; --max-width: 1200px; }
.container { max-width: var(--max-width); margin: 0 auto; padding: 0 24px; }
.site-header { position: fixed; top: 0; left: 0; right: 0; background: rgba(255,255,255,0.97); backdrop-filter: saturate(180%) blur(10px); border-bottom: 1px solid var(--border); z-index: 100; transition: box-shadow .3s; }
.site-header.scrolled { box-shadow: 0 2px 16px rgba(0,58,107,0.08); }
.header-inner { max-width: var(--max-width); margin: 0 auto; padding: 14px 24px; display: flex; align-items: center; justify-content: space-between; }
.brand { display: flex; align-items: center; gap: 12px; }
.brand img { height: 44px; width: auto; }
.brand-text { display: flex; flex-direction: column; line-height: 1.1; }
.brand-text .name-cn { font-size: 18px; font-weight: 700; color: var(--primary-dark); }
.brand-text .name-en { font-size: 11px; color: var(--text-muted); letter-spacing: 1px; }
.nav { display: flex; align-items: center; gap: 4px; }
.nav a { position: relative; padding: 10px 18px; font-size: 15px; color: var(--text); font-weight: 500; border-radius: 6px; transition: all .2s; }
.nav a:hover, .nav a.active { color: var(--primary); }
.nav a.active::after { content: ''; position: absolute; bottom: -2px; left: 18px; right: 18px; height: 2px; background: var(--primary); border-radius: 2px; }
.lang-toggle { margin-left: 8px; padding: 7px 16px; border: 1px solid var(--primary); border-radius: 999px; font-size: 12px; font-weight: 600; color: var(--primary); background: transparent; transition: all .2s; cursor: pointer; letter-spacing: 1px; white-space: nowrap; }
.lang-toggle:hover { background: var(--primary); color: #fff; }
.nav-toggle { display: none; width: 36px; height: 36px; align-items: center; justify-content: center; }
.nav-toggle span { display: block; width: 22px; height: 2px; background: var(--primary-dark); position: relative; }
.nav-toggle span::before, .nav-toggle span::after { content: ''; position: absolute; left: 0; width: 100%; height: 100%; background: var(--primary-dark); }
.nav-toggle span::before { top: -7px; }
.nav-toggle span::after { top: 7px; }
footer.site-footer { background: var(--primary-dark); color: #cfd8e3; padding: 60px 0 0; }
.foot-grid { display: grid; grid-template-columns: 1.4fr 1fr 1fr 1fr; gap: 36px; }
.foot-col h5 { color: #fff; font-size: 15px; margin-bottom: 18px; font-weight: 600; }
.foot-col ul li { margin-bottom: 10px; font-size: 13px; }
.foot-col ul li a:hover { color: var(--accent); }
.foot-contact .item { display: flex; align-items: flex-start; gap: 10px; margin-bottom: 14px; font-size: 13px; line-height: 1.7; }
.foot-contact .item svg { width: 16px; height: 16px; color: var(--accent); flex-shrink: 0; margin-top: 3px; }
.foot-bottom { margin-top: 40px; padding: 20px 0; border-top: 1px solid rgba(255,255,255,0.08); text-align: center; font-size: 12px; color: rgba(255,255,255,0.5); }
.foot-bottom a.plink { color: rgba(255,255,255,0.5); text-decoration: underline; }
.foot-bottom a.icp-link { color: inherit; text-decoration: none; }
.foot-bottom a.ga-link { color: inherit; text-decoration: none; display: inline-flex; align-items: center; gap: 5px; vertical-align: middle; }
.foot-bottom .ga-icon { display: inline-block; width: auto; height: 14px; max-width: none; margin: 0; vertical-align: middle; }
.page-banner { margin-top: 76px; padding: 80px 0 60px; background: linear-gradient(135deg, var(--primary-dark), var(--primary)); color: #fff; text-align: center; }
.page-banner h1 { font-size: 36px; margin-bottom: 10px; letter-spacing: 2px; }
.page-banner p { color: rgba(255,255,255,0.8); font-size: 14px; }
.privacy-section { padding: 70px 0; background: #fff; }
.privacy-container { max-width: 900px; margin: 0 auto; padding: 0 24px; }
.privacy-content { background: var(--bg-soft); padding: 40px; border-radius: 12px; }
.privacy-content h2 { font-size: 22px; color: var(--primary-dark); margin: 32px 0 14px; padding-bottom: 8px; border-bottom: 2px solid var(--primary-light); font-weight: 700; }
.privacy-content h2:first-of-type { margin-top: 0; }
.privacy-content h3 { font-size: 17px; color: var(--text); margin: 20px 0 8px; font-weight: 600; }
.privacy-content p { font-size: 14px; color: var(--text); line-height: 1.9; margin-bottom: 12px; }
.privacy-content ul { list-style: disc; padding-left: 24px; margin: 8px 0 14px; }
.privacy-content ul li { font-size: 14px; color: var(--text); line-height: 1.9; margin-bottom: 6px; }
.privacy-content strong { color: var(--primary-dark); font-weight: 600; }
.privacy-content .highlight { background: var(--primary-light); padding: 14px 18px; border-left: 4px solid var(--primary); border-radius: 4px; margin: 16px 0; font-size: 14px; }
.privacy-content .meta { font-size: 13px; color: var(--text-muted); margin-bottom: 24px; padding: 10px 16px; background: #fff; border-radius: 6px; display: inline-block; }
.lang-tabs { display: flex; gap: 8px; margin-bottom: 24px; padding: 4px; background: var(--primary-light); border-radius: 8px; width: fit-content; }
.lang-tabs button { padding: 8px 20px; border-radius: 6px; font-size: 14px; font-weight: 600; color: var(--text-muted); transition: all .2s; }
.lang-tabs button.active { background: var(--primary); color: #fff; box-shadow: 0 2px 8px rgba(0,120,200,0.2); }
.lang-panel { display: none; }
.lang-panel.active { display: block; animation: fadeIn .3s ease; }
@keyframes fadeIn { from { opacity: 0; transform: translateY(6px); } to { opacity: 1; transform: translateY(0); } }
.cookie-banner { position: fixed; bottom: 0; left: 0; right: 0; background: rgba(0,58,107,0.97); color: #fff; padding: 16px 24px; z-index: 999; box-shadow: 0 -4px 20px rgba(0,0,0,0.15); transform: translateY(100%); transition: transform .3s ease; }
.cookie-banner.show { transform: translateY(0); }
.cookie-inner { max-width: var(--max-width); margin: 0 auto; display: flex; align-items: center; gap: 16px; flex-wrap: wrap; }
.cookie-text { flex: 1; min-width: 260px; font-size: 13px; line-height: 1.5; }
.cookie-text strong { display: block; margin-bottom: 4px; font-size: 14px; }
.cookie-text a { color: var(--accent); text-decoration: underline; }
.cookie-actions { display: flex; gap: 10px; flex-shrink: 0; }
.cookie-btn { padding: 8px 18px; border-radius: 6px; font-size: 13px; font-weight: 600; cursor: pointer; transition: all .2s; border: 1px solid transparent; }
.cookie-accept { background: var(--accent); color: #fff; }
.cookie-accept:hover { background: #e69515; }
.cookie-reject { background: transparent; color: #fff; border-color: rgba(255,255,255,0.4); }
.cookie-reject:hover { background: rgba(255,255,255,0.1); border-color: #fff; }
@media (max-width: 1024px) {
  .foot-grid { grid-template-columns: 1fr 1fr 1fr; }
}
@media (max-width: 720px) {
  .nav { display: none; }
  .nav.open { display: flex; flex-direction: column; position: absolute; top: 100%; left: 0; right: 0; background: #fff; padding: 16px; box-shadow: 0 4px 16px rgba(0,0,0,0.1); }
  .nav-toggle { display: flex; }
  .lang-toggle { padding: 5px 12px; font-size: 11px; }
  .privacy-content { padding: 24px; }
  .page-banner h1 { font-size: 26px; }
  .cookie-inner { flex-direction: column; align-items: stretch; }
  .cookie-actions { width: 100%; }
  .cookie-btn { flex: 1; }
}