/* ============================================
   予贝专业版微网站 - 移动端样式
   配色：深海蓝 + 医疗青 + 暖金点缀
   风格：专业、可信赖、现代感
   ============================================ */

/* ===== CSS 变量 ===== */
:root {
  --c-primary: #0a2850;
  --c-primary-light: #15407a;
  --c-primary-dark: #061a33;
  --c-accent: #0d9488;
  --c-accent-light: #14b8a6;
  --c-accent-dark: #0a8077;
  --c-gold: #c5a55a;
  --c-gold-light: #d4b876;
  --c-bg: #ffffff;
  --c-bg-soft: #f8fafc;
  --c-bg-card: #ffffff;
  --c-text: #1e293b;
  --c-text-light: #64748b;
  --c-text-muted: #94a3b8;
  --c-border: #e2e8f0;
  --c-shadow: 0 2px 12px rgba(10, 40, 80, 0.08);
  --c-shadow-hover: 0 8px 30px rgba(10, 40, 80, 0.12);
  --radius: 16px;
  --radius-sm: 10px;
  --radius-xs: 6px;
  --transition: 0.35s cubic-bezier(0.4, 0, 0.2, 1);
  --container: 480px;
  --header-h: 56px;
}

/* ===== Reset ===== */
*, *::before, *::after { margin: 0; padding: 0; box-sizing: border-box; }
html { scroll-behavior: smooth; -webkit-text-size-adjust: 100%; }
body {
  font-family: -apple-system, BlinkMacSystemFont, 'PingFang SC', 'Helvetica Neue', 'Segoe UI', Roboto, sans-serif;
  background: var(--c-bg);
  color: var(--c-text);
  line-height: 1.6;
  overflow-x: hidden;
  -webkit-font-smoothing: antialiased;
}
a { color: inherit; text-decoration: none; }
img { max-width: 100%; display: block; }
button { background: none; border: none; cursor: pointer; font-family: inherit; }
svg { width: 1em; height: 1em; }

/* ===== Container ===== */
.container { max-width: var(--container); margin: 0 auto; padding: 0 20px; }

/* ===== Header ===== */
.header {
  position: fixed; top: 0; left: 0; right: 0; z-index: 1000;
  background: rgba(255, 255, 255, 0.95);
  backdrop-filter: blur(12px); -webkit-backdrop-filter: blur(12px);
  transition: box-shadow var(--transition);
  height: var(--header-h);
}
.header.scrolled { box-shadow: 0 1px 8px rgba(10, 40, 80, 0.08); }
.header-inner { display: flex; align-items: center; justify-content: space-between; height: 100%; padding: 0 20px; max-width: var(--container); margin: 0 auto; }
.header-logo { display: flex; align-items: center; gap: 8px; }
.logo-mark {
  width: 32px; height: 32px; border-radius: 8px;
  background: linear-gradient(135deg, var(--c-primary), var(--c-accent));
  position: relative; flex-shrink: 0;
}
.logo-mark::after {
  content: ''; position: absolute; top: 50%; left: 50%; transform: translate(-50%, -50%);
  width: 14px; height: 14px; border-radius: 50%; border: 2px solid #fff; border-top-color: transparent;
}
.logo-text { display: flex; flex-direction: column; line-height: 1.1; }
.logo-name { font-size: 16px; font-weight: 700; color: var(--c-primary); }
.logo-name-en { font-size: 10px; color: var(--c-accent); letter-spacing: 0.5px; text-transform: uppercase; }
.header-toggle { color: var(--c-primary); display: flex; font-size: 22px; padding: 4px; }
.nav-menu {
  position: absolute; top: var(--header-h); left: 0; right: 0;
  background: #fff; flex-direction: column; padding: 8px 0;
  box-shadow: 0 8px 24px rgba(10, 40, 80, 0.12);
  border-top: 1px solid var(--c-border);
  animation: slideDown 0.3s ease;
}
@keyframes slideDown { from { opacity: 0; transform: translateY(-10px); } to { opacity: 1; transform: translateY(0); } }
.nav-link {
  display: block; padding: 12px 24px; font-size: 15px; color: var(--c-text);
  border-left: 3px solid transparent; transition: all var(--transition);
}
.nav-link:hover, .nav-link.active { color: var(--c-accent); border-left-color: var(--c-accent); background: var(--c-bg-soft); }

/* ===== Main ===== */
.main { padding-top: var(--header-h); }

/* ===== Hero ===== */
.hero {
  position: relative; min-height: 520px; display: flex; align-items: center;
  justify-content: center; text-align: center; color: #fff; overflow: hidden;
  background-size: cover; background-position: center;
}
.hero::before { content: ''; position: absolute; inset: 0; background: url('data:image/svg+xml;utf8,<svg xmlns="http://www.w3.org/2000/svg" width="40" height="40"><circle cx="2" cy="2" r="1" fill="rgba(255,255,255,0.08)"/></svg>'); }
.hero-content { position: relative; z-index: 2; padding: 40px 24px; animation: fadeUp 1s ease; }
@keyframes fadeUp { from { opacity: 0; transform: translateY(30px); } to { opacity: 1; transform: translateY(0); } }
.hero-badge {
  display: inline-flex; align-items: center; gap: 6px;
  padding: 6px 16px; border-radius: 50px; font-size: 11px; letter-spacing: 1px;
  background: rgba(255,255,255,0.15); border: 1px solid rgba(255,255,255,0.3);
  margin-bottom: 20px; backdrop-filter: blur(4px);
}
.hero-badge-dot { width: 6px; height: 6px; border-radius: 50%; background: var(--c-gold-light); box-shadow: 0 0 8px var(--c-gold); }
.hero-title { font-size: 28px; font-weight: 800; letter-spacing: 1px; margin-bottom: 10px; text-shadow: 0 2px 8px rgba(0,0,0,0.2); }
.hero-subtitle { font-size: 15px; opacity: 0.9; margin-bottom: 12px; font-weight: 500; }
.hero-desc { font-size: 13px; opacity: 0.8; max-width: 320px; margin: 0 auto 28px; line-height: 1.7; }
.hero-cta {
  display: inline-flex; align-items: center; gap: 6px;
  padding: 12px 32px; border-radius: 50px; font-size: 14px; font-weight: 600;
  background: linear-gradient(135deg, var(--c-gold), var(--c-gold-light));
  color: var(--c-primary-dark); box-shadow: 0 4px 16px rgba(197,165,90,0.4);
  transition: all var(--transition);
}
.hero-cta:hover { transform: translateY(-2px); box-shadow: 0 6px 20px rgba(197,165,90,0.5); }
.hero-cta .icon-arrow { width: 16px; height: 16px; transition: transform var(--transition); }
.hero-cta:hover .icon-arrow { transform: translateX(4px); }
.hero-scroll-hint { position: absolute; bottom: 20px; left: 50%; transform: translateX(-50%); width: 24px; height: 40px; border: 2px solid rgba(255,255,255,0.4); border-radius: 12px; }
.hero-scroll-hint span { position: absolute; top: 6px; left: 50%; transform: translateX(-50%); width: 4px; height: 4px; border-radius: 50%; background: rgba(255,255,255,0.8); animation: scrollHint 2s infinite; }
@keyframes scrollHint { 0% { opacity: 1; top: 6px; } 100% { opacity: 0; top: 24px; } }

/* ===== Section Common ===== */
.section { padding: 56px 0; position: relative; }
.section-about { background: var(--c-bg); }
.section-crowd { background: var(--c-bg-soft); }
.section-services { background: var(--c-bg); }
.section-tenet { background: linear-gradient(135deg, var(--c-primary) 0%, var(--c-primary-light) 100%); color: #fff; }
.section-global { background: var(--c-bg-soft); }
.section-news { background: var(--c-bg); }

.section-header { text-align: center; margin-bottom: 32px; }
.section-header-light { color: #fff; }
.section-title-en {
  display: block; font-size: 11px; letter-spacing: 2px; text-transform: uppercase;
  color: var(--c-accent); margin-bottom: 8px; font-weight: 600;
}
.section-tenet .section-title-en { color: var(--c-gold-light); }
.section-title { font-size: 22px; font-weight: 700; color: var(--c-primary); }
.section-tenet .section-title { color: #fff; }
.section-divider {
  width: 40px; height: 3px; margin: 12px auto 0;
  background: linear-gradient(90deg, var(--c-accent), var(--c-gold));
  border-radius: 2px;
}
.section-divider-light { background: linear-gradient(90deg, var(--c-gold-light), #fff); }
.section-intro { font-size: 13px; color: var(--c-text-light); line-height: 1.8; max-width: 360px; margin: 0 auto 28px; text-align: center; }

/* ===== About ===== */
.about-layout { display: flex; flex-direction: column; gap: 24px; }
.about-image-wrap { position: relative; }
.about-image {
  width: 100%; aspect-ratio: 16/10; border-radius: var(--radius);
  background-size: cover; background-position: center; box-shadow: var(--c-shadow);
}
.about-image-badge {
  position: absolute; bottom: -12px; right: 16px;
  background: linear-gradient(135deg, var(--c-accent), var(--c-accent-dark));
  color: #fff; padding: 10px 16px; border-radius: var(--radius-sm);
  display: flex; flex-direction: column; align-items: center; line-height: 1;
  box-shadow: 0 4px 16px rgba(13,148,136,0.35);
}
.badge-year { font-size: 9px; letter-spacing: 1px; opacity: 0.8; }
.badge-text { font-size: 20px; font-weight: 800; }
.about-text { font-size: 14px; color: var(--c-text); line-height: 1.9; margin-bottom: 20px; }
.about-stats { display: grid; grid-template-columns: repeat(2, 1fr); gap: 12px; }
.stat-card {
  background: var(--c-bg-soft); border-radius: var(--radius-sm);
  padding: 16px; text-align: center; border: 1px solid var(--c-border);
  transition: all var(--transition);
}
.stat-card:hover { transform: translateY(-2px); box-shadow: var(--c-shadow); border-color: var(--c-accent); }
.stat-number { font-size: 24px; font-weight: 800; color: var(--c-accent); }
.stat-label { font-size: 12px; color: var(--c-text-light); margin-top: 4px; }

/* ===== Crowd ===== */
.crowd-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 12px; }
.crowd-card {
  background: var(--c-bg-card); border-radius: var(--radius);
  padding: 24px 16px; text-align: center; box-shadow: var(--c-shadow);
  border: 1px solid var(--c-border); transition: all var(--transition);
  opacity: 0; animation: fadeUpCard 0.6s forwards;
}
@keyframes fadeUpCard { to { opacity: 1; } }
.crowd-card:hover { transform: translateY(-4px); box-shadow: var(--c-shadow-hover); border-color: var(--c-accent-light); }
.crowd-icon-wrap {
  width: 56px; height: 56px; margin: 0 auto 14px;
  border-radius: 50%; display: flex; align-items: center; justify-content: center;
  background: linear-gradient(135deg, rgba(13,148,136,0.1), rgba(197,165,90,0.1));
  font-size: 24px; color: var(--c-accent);
}
.crowd-card:hover .crowd-icon-wrap { background: linear-gradient(135deg, var(--c-accent), var(--c-accent-dark)); color: #fff; }
.crowd-title { font-size: 14px; font-weight: 600; color: var(--c-primary); margin-bottom: 6px; }
.crowd-desc { font-size: 12px; color: var(--c-text-light); line-height: 1.6; }

/* ===== Services ===== */
.services-grid { display: flex; flex-direction: column; gap: 16px; }
.service-card {
  background: var(--c-bg-card); border-radius: var(--radius);
  overflow: hidden; box-shadow: var(--c-shadow); border: 1px solid var(--c-border);
  transition: all var(--transition); opacity: 0; animation: fadeUpCard 0.6s var(--delay) forwards;
}
.service-card:hover { transform: translateY(-4px); box-shadow: var(--c-shadow-hover); }
.service-image-wrap { position: relative; width: 100%; aspect-ratio: 16/9; overflow: hidden; }
.service-image { width: 100%; height: 100%; background-size: cover; background-position: center; transition: transform 0.6s; }
.service-card:hover .service-image { transform: scale(1.08); }
.service-overlay {
  position: absolute; inset: 0; display: flex; align-items: flex-end; padding: 16px;
  background: linear-gradient(to top, rgba(10,40,80,0.7), transparent);
}
.service-icon {
  width: 44px; height: 44px; border-radius: 12px; background: rgba(255,255,255,0.95);
  display: flex; align-items: center; justify-content: center; font-size: 20px; color: var(--c-accent);
}
.service-body { padding: 16px; }
.service-title { font-size: 16px; font-weight: 700; color: var(--c-primary); margin-bottom: 6px; }
.service-desc { font-size: 13px; color: var(--c-text-light); line-height: 1.7; }

/* ===== Tenet ===== */
.tenet-content { font-size: 14px; line-height: 1.9; color: rgba(255,255,255,0.85); text-align: center; max-width: 400px; margin: 0 auto 36px; }
.tenet-values { display: grid; grid-template-columns: repeat(2, 1fr); gap: 12px; }
.value-item {
  background: rgba(255,255,255,0.08); border-radius: var(--radius);
  padding: 20px 14px; text-align: center; border: 1px solid rgba(255,255,255,0.12);
  transition: all var(--transition); opacity: 0; animation: fadeUpCard 0.6s var(--delay) forwards;
}
.value-item:hover { background: rgba(255,255,255,0.15); transform: translateY(-2px); }
.value-icon { font-size: 24px; color: var(--c-gold-light); margin-bottom: 10px; display: flex; justify-content: center; }
.value-title { font-size: 14px; font-weight: 600; color: #fff; margin-bottom: 4px; }
.value-desc { font-size: 12px; color: rgba(255,255,255,0.7); line-height: 1.5; }

/* ===== Global ===== */
.countries-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 12px; }
.country-card {
  background: var(--c-bg-card); border-radius: var(--radius); padding: 16px;
  box-shadow: var(--c-shadow); border: 1px solid var(--c-border);
  display: flex; align-items: center; gap: 12px; transition: all var(--transition);
  opacity: 0; animation: fadeUpCard 0.5s var(--delay) forwards;
}
.country-card:hover { transform: translateY(-3px); box-shadow: var(--c-shadow-hover); border-color: var(--c-accent-light); }
.country-flag { font-size: 28px; flex-shrink: 0; }
.country-info { flex: 1; min-width: 0; }
.country-name { font-size: 14px; font-weight: 700; color: var(--c-primary); }
.country-name-en { font-size: 11px; color: var(--c-text-muted); margin-bottom: 6px; }
.country-tags { display: flex; flex-wrap: wrap; gap: 4px; }
.country-tag { font-size: 10px; padding: 2px 8px; border-radius: 50px; background: rgba(13,148,136,0.1); color: var(--c-accent); }

/* ===== Team ===== */
.section-team { background: var(--c-bg-soft); }
.team-grid { display: flex; flex-direction: column; gap: 16px; }
.team-card {
  background: var(--c-bg-card); border-radius: var(--radius); overflow: hidden;
  box-shadow: var(--c-shadow); border: 1px solid var(--c-border);
  transition: all var(--transition); opacity: 0; animation: fadeUpCard 0.6s var(--delay) forwards;
}
.team-card:hover { transform: translateY(-3px); box-shadow: var(--c-shadow-hover); }
.team-image-wrap { position: relative; width: 100%; aspect-ratio: 16/9; overflow: hidden; background: var(--c-bg-soft); }
.team-image { width: 100%; height: 100%; background-size: cover; background-position: center top; transition: transform .4s; }
.team-card:hover .team-image { transform: scale(1.05); }
.team-exp-badge {
  position: absolute; top: 12px; right: 12px;
  background: linear-gradient(135deg, var(--c-primary), var(--c-accent));
  color: #fff; font-size: 12px; font-weight: 600;
  padding: 4px 10px; border-radius: 50px; box-shadow: 0 2px 8px rgba(0,0,0,0.15);
}
.team-body { padding: 16px; }
.team-name { font-size: 17px; font-weight: 700; color: var(--c-primary); margin-bottom: 4px; }
.team-name-en { font-size: 12px; color: var(--c-text-light); margin-bottom: 8px; font-style: italic; }
.team-title {
  display: inline-block; font-size: 12px; color: var(--c-accent);
  background: rgba(13,148,136,0.08); padding: 3px 10px; border-radius: 4px; margin-bottom: 10px;
}
.team-bio { font-size: 13px; line-height: 1.7; color: var(--c-text); }

/* ===== News ===== */
.news-filters { display: flex; gap: 8px; overflow-x: auto; padding-bottom: 8px; margin-bottom: 20px; -webkit-overflow-scrolling: touch; scrollbar-width: none; }
.news-filters::-webkit-scrollbar { display: none; }
.news-filter-btn {
  padding: 7px 18px; border-radius: 50px; font-size: 13px; white-space: nowrap;
  color: var(--c-text-light); background: var(--c-bg-soft); border: 1px solid var(--c-border);
  transition: all var(--transition);
}
.news-filter-btn.active { background: var(--c-primary); color: #fff; border-color: var(--c-primary); }
.news-filter-btn:hover:not(.active) { border-color: var(--c-accent); color: var(--c-accent); }

.news-grid { display: flex; flex-direction: column; gap: 16px; }
.news-card {
  background: var(--c-bg-card); border-radius: var(--radius); overflow: hidden;
  box-shadow: var(--c-shadow); border: 1px solid var(--c-border);
  transition: all var(--transition); opacity: 0; animation: fadeUpCard 0.6s var(--delay) forwards;
}
.news-card:hover { transform: translateY(-3px); box-shadow: var(--c-shadow-hover); }
.news-image {
  width: 100%; aspect-ratio: 16/9; background-size: cover; background-position: center;
  position: relative;
}
.news-category-tag {
  position: absolute; top: 10px; left: 10px; padding: 3px 10px; border-radius: 50px;
  font-size: 11px; color: #fff; background: rgba(10,40,80,0.85); backdrop-filter: blur(4px);
}
.news-body { padding: 16px; }
.news-title { font-size: 15px; font-weight: 600; color: var(--c-primary); margin-bottom: 8px; line-height: 1.5; display: -webkit-box; -webkit-line-clamp: 2; -webkit-box-orient: vertical; overflow: hidden; }
.news-summary { font-size: 13px; color: var(--c-text-light); line-height: 1.6; margin-bottom: 12px; display: -webkit-box; -webkit-line-clamp: 2; -webkit-box-orient: vertical; overflow: hidden; }
.news-meta { display: flex; justify-content: space-between; align-items: center; }
.news-date { font-size: 12px; color: var(--c-text-muted); }
.news-link { font-size: 13px; color: var(--c-accent); font-weight: 500; display: flex; align-items: center; gap: 4px; }
.news-link .icon-sm { width: 14px; height: 14px; transition: transform var(--transition); }
.news-link:hover .icon-sm { transform: translateX(3px); }

/* ===== Footer ===== */
.footer { background: var(--c-primary-dark); color: rgba(255,255,255,0.8); padding: 40px 0 20px; }
.footer-content { margin-bottom: 24px; }
.footer-desc { font-size: 12px; line-height: 1.8; color: rgba(255,255,255,0.6); }
.footer-contact { display: flex; gap: 24px; margin-bottom: 24px; flex-wrap: wrap; }
.footer-contact-item { display: flex; align-items: center; gap: 8px; }
.footer-contact-icon { font-size: 18px; color: var(--c-gold-light); display: flex; }
.footer-contact-label { display: block; font-size: 11px; color: rgba(255,255,255,0.5); }
.footer-contact-value { display: block; font-size: 14px; color: #fff; font-weight: 500; }
.footer-links { display: flex; gap: 20px; flex-wrap: wrap; padding-bottom: 20px; border-bottom: 1px solid rgba(255,255,255,0.1); margin-bottom: 16px; }
.footer-link { font-size: 13px; color: rgba(255,255,255,0.7); transition: color var(--transition); }
.footer-link:hover { color: var(--c-gold-light); }
.footer-bottom { text-align: center; }
.footer-copyright { font-size: 11px; color: rgba(255,255,255,0.4); margin-bottom: 4px; }
.footer-address { font-size: 11px; color: rgba(255,255,255,0.3); }

/* ===== Floating Contact ===== */
.floating-contact { position: fixed; bottom: 24px; right: 20px; z-index: 500; }
.float-btn {
  width: 52px; height: 52px; border-radius: 50%; display: flex; align-items: center; justify-content: center;
  font-size: 22px; color: #fff; box-shadow: 0 4px 16px rgba(10,40,80,0.3);
  transition: all var(--transition);
}
.float-phone { background: linear-gradient(135deg, var(--c-accent), var(--c-accent-dark)); }
.float-btn:hover { transform: scale(1.1); }
.float-btn::before {
  content: ''; position: absolute; inset: -4px; border-radius: 50%;
  border: 2px solid var(--c-accent); opacity: 0; animation: pulseRing 2s infinite;
}
@keyframes pulseRing { 0% { opacity: 0.6; transform: scale(1); } 100% { opacity: 0; transform: scale(1.4); } }

/* ===== Responsive (Tablet) ===== */
@media (min-width: 768px) {
  :root { --container: 720px; --header-h: 64px; }
  .hero { min-height: 560px; }
  .hero-title { font-size: 36px; }
  .hero-subtitle { font-size: 18px; }
  .hero-desc { font-size: 14px; max-width: 420px; }
  .section-title { font-size: 26px; }
  .crowd-grid { grid-template-columns: repeat(4, 1fr); }
  .services-grid { display: grid; grid-template-columns: repeat(2, 1fr); }
  .tenet-values { grid-template-columns: repeat(4, 1fr); }
  .countries-grid { grid-template-columns: repeat(3, 1fr); }
  .news-grid { display: grid; grid-template-columns: repeat(2, 1fr); }
  .about-stats { grid-template-columns: repeat(4, 1fr); }
  .about-layout { flex-direction: row; align-items: center; }
  .about-image-wrap { flex: 1; }
  .about-content { flex: 1; }
}