/* ============================================================
   上海脉途智联科技有限公司 - 企业官网
   设计系统：参考 Sanofi — 白底 + 墨黑文字 + 单一低饱和稳重紫，极简配色
   布局：1440px 设计稿，容器自适应，移动端优先响应式
   ============================================================ */

:root {
  /* 色彩体系 */
  /* 色彩体系 — 参考 Sanofi：白底 + 墨黑文字 + 单一紫色强调，极简 */
  --navy: #6A3D9A;
  --purple: #6A3D9A; /* 语义别名：主色紫（与 --navy 同值，便于新代码按语义引用） */
  --navy-90: #4E2C73;
  --navy-70: #A98CD2;
  --navy-50: #C7B3E3;
  --teal: #6A3D9A;
  --teal-dark: #4E2C73;
  --teal-light: #F3EDF9;
  --teal-08: rgba(106, 61, 154, 0.08);
  --white: #FFFFFF;
  --bg-light: #F5F5F5;
  --bg-card: #FFFFFF;
  --border: #EAEAEA;
  --text-primary: #1A1A1A;
  --text-secondary: #6B6B6B;
  --text-muted: #8A8A8A;
  --shadow-sm: 0 2px 8px rgba(26, 26, 26, 0.06);
  --shadow-md: 0 8px 24px rgba(26, 26, 26, 0.10);
  --shadow-lg: 0 16px 48px rgba(26, 26, 26, 0.14);

  /* 字体 */
  --font-sans: "PingFang SC", "Helvetica Neue", "Microsoft YaHei", "Noto Sans SC", -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;

  /* 布局 */
  --container: 1200px;
  --nav-height: 76px;
  --radius: 14px;
  --radius-sm: 10px;
  --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

* { margin: 0; padding: 0; box-sizing: border-box; }

html { scroll-behavior: smooth; -webkit-text-size-adjust: 100%; }

body {
  font-family: var(--font-sans);
  color: var(--text-primary);
  background: var(--white);
  line-height: 1.7;
  font-size: 16px;
  overflow-x: hidden;
}

img { max-width: 100%; display: block; }
a { text-decoration: none; color: inherit; transition: var(--transition); }
ul { list-style: none; }
button { font-family: inherit; cursor: pointer; border: none; background: none; }

/* ---------- 容器 ---------- */
.container {
  max-width: var(--container);
  margin: 0 auto;
  padding: 0 40px;
}

/* ---------- 通用标题 ---------- */
.section { padding: 100px 0; }
.section-gray { background: var(--bg-light); }

.section-head { text-align: center; max-width: 720px; margin: 0 auto 60px; }

.eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-size: 14px;
  font-weight: 600;
  letter-spacing: 3px;
  color: var(--teal);
  text-transform: uppercase;
  margin-bottom: 16px;
}
.eyebrow::before,
.eyebrow::after {
  content: "";
  width: 24px;
  height: 2px;
  background: var(--teal);
  border-radius: 2px;
}

.section-title {
  font-size: 36px;
  font-weight: 700;
  color: var(--navy);
  line-height: 1.3;
  margin-bottom: 18px;
  letter-spacing: 0.5px;
}

.section-desc { font-size: 16px; color: var(--text-secondary); }

/* ---------- 按钮 ---------- */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 14px 32px;
  border-radius: 999px;
  font-size: 16px;
  font-weight: 600;
  transition: var(--transition);
  white-space: nowrap;
}
.btn-primary {
  background: var(--teal);
  color: var(--white);
  box-shadow: 0 6px 20px rgba(106, 61, 154, 0.3);
}
.btn-primary:hover { background: var(--teal-dark); transform: translateY(-2px); box-shadow: 0 10px 28px rgba(106, 61, 154, 0.4); }
.btn-navy { background: var(--navy); color: var(--white); }
.btn-navy:hover { background: var(--navy-90); transform: translateY(-2px); }
.btn-outline {
  border: 1.5px solid var(--navy);
  color: var(--navy);
  background: transparent;
}
.btn-outline:hover { background: var(--navy); color: var(--white); }
.btn-outline-light { border: 1.5px solid rgba(255,255,255,0.6); color: var(--white); }
.btn-outline-light:hover { background: var(--white); color: var(--navy); }
.btn .arrow { transition: var(--transition); }
.btn:hover .arrow { transform: translateX(4px); }

/* ---------- 导航栏 ---------- */
.navbar {
  position: fixed;
  top: 0; left: 0; right: 0;
  height: var(--nav-height);
  background: rgba(255, 255, 255, 0.92);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border-bottom: 1px solid rgba(58, 36, 74, 0.06);
  z-index: 1000;
  transition: var(--transition);
}
.navbar.scrolled { box-shadow: var(--shadow-md); background: rgba(255,255,255,0.98); }

.nav-inner {
  max-width: var(--container);
  margin: 0 auto;
  padding: 0 40px;
  height: 100%;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.logo { display: flex; align-items: center; gap: 12px; }
.logo-mark {
  width: 40px; height: 40px;
  border-radius: 10px;
  background: linear-gradient(135deg, var(--navy) 0%, #4E2C73 60%, var(--teal) 100%);
  display: flex; align-items: center; justify-content: center;
  flex-shrink: 0;
}
.logo-text { display: flex; flex-direction: column; line-height: 1.2; }
.logo-name { font-size: 18px; font-weight: 700; color: var(--navy); letter-spacing: 1px; }
.logo-sub { font-size: 10px; color: var(--teal); letter-spacing: 1.5px; font-weight: 500; }
.logo-img { height: 40px; width: auto; display: block; }
.footer .logo-img { background: #FFFFFF; padding: 4px 7px; border-radius: 8px; }

.nav-links { display: flex; align-items: center; gap: 36px; }
.nav-links a {
  font-size: 15px;
  font-weight: 500;
  color: var(--text-secondary);
  position: relative;
  padding: 6px 0;
}
.nav-links a::after {
  content: "";
  position: absolute;
  left: 0; bottom: -2px;
  width: 0; height: 2px;
  background: var(--teal);
  border-radius: 2px;
  transition: var(--transition);
}
.nav-links a:hover { color: var(--navy); }
.nav-links a:hover::after, .nav-links a.active::after { width: 100%; }
.nav-links a.active { color: var(--navy); font-weight: 600; }

.nav-cta { display: flex; align-items: center; gap: 16px; }
.nav-cta .btn { padding: 10px 24px; font-size: 14px; }

.nav-toggle {
  display: none;
  flex-direction: column;
  gap: 5px;
  padding: 8px;
  cursor: pointer;
}
.nav-toggle span {
  width: 24px; height: 2px;
  background: var(--navy);
  border-radius: 2px;
  transition: var(--transition);
}
.nav-toggle.open span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
.nav-toggle.open span:nth-child(2) { opacity: 0; }
.nav-toggle.open span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }

/* ---------- Hero（首页） ---------- */
.hero {
  position: relative;
  padding: 104px 0 80px;
  background:
    radial-gradient(ellipse 60% 50% at 85% 20%, var(--teal-08) 0%, transparent 70%),
    radial-gradient(ellipse 50% 60% at 10% 90%, rgba(58,36,74,0.04) 0%, transparent 70%),
    linear-gradient(180deg, #F5F5F5 0%, #FFFFFF 100%);
  overflow: hidden;
}
.hero-grid {
  display: grid;
  grid-template-columns: 1.1fr 0.9fr;
  gap: 60px;
  align-items: center;
}
.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  padding: 8px 18px;
  border-radius: 999px;
  background: var(--teal-light);
  color: var(--teal-dark);
  font-size: 14px;
  font-weight: 500;
  margin-bottom: 24px;
}
.hero-badge .dot {
  width: 8px; height: 8px;
  border-radius: 50%;
  background: var(--teal);
  animation: pulse 2s infinite;
}
@keyframes pulse {
  0%, 100% { box-shadow: 0 0 0 0 rgba(106,61,154,0.4); }
  50% { box-shadow: 0 0 0 6px rgba(106,61,154,0); }
}
.hero h1 {
  font-size: 52px;
  font-weight: 700;
  line-height: 1.25;
  color: var(--navy);
  letter-spacing: 1px;
  margin-bottom: 24px;
}
.hero h1 .teal { color: var(--teal); }
.hero p {
  font-size: 18px;
  color: var(--text-secondary);
  max-width: 520px;
  margin-bottom: 40px;
}
.hero-actions { display: flex; gap: 16px; flex-wrap: wrap; }

.hero-stats {
  display: flex;
  gap: 48px;
  margin-top: 56px;
  flex-wrap: wrap;
}
.hero-stat .num {
  font-size: 34px;
  font-weight: 700;
  color: var(--navy);
}
.hero-stat .num em { font-style: normal; color: var(--teal); }
.hero-stat .label { font-size: 14px; color: var(--text-muted); }

/* Hero 视觉卡片 */
.hero-visual { position: relative; }
.hero-card {
  background: var(--white);
  border-radius: 20px;
  box-shadow: var(--shadow-lg);
  padding: 36px;
  border: 1px solid var(--border);
  position: relative;
  z-index: 2;
}
.hero-card .hc-head { display: flex; align-items: center; gap: 14px; margin-bottom: 24px; }
.hc-avatar {
  width: 52px; height: 52px;
  border-radius: 50%;
  background: linear-gradient(135deg, var(--teal), var(--navy));
  display: flex; align-items: center; justify-content: center;
  color: #fff; font-size: 20px;
}
.hc-title { font-size: 17px; font-weight: 600; color: var(--navy); }
.hc-sub { font-size: 13px; color: var(--text-muted); }

.hc-metrics { display: grid; grid-template-columns: 1fr 1fr; gap: 14px; }
.hc-metric {
  background: var(--bg-light);
  border-radius: var(--radius-sm);
  padding: 16px;
}
.hc-metric .k { font-size: 12px; color: var(--text-muted); margin-bottom: 4px; }
.hc-metric .v { font-size: 20px; font-weight: 700; color: var(--navy); }
.hc-metric .v.good { color: var(--teal); }
.hc-metric .bar {
  height: 6px; border-radius: 3px;
  background: var(--border);
  margin-top: 8px;
  overflow: hidden;
}
.hc-metric .bar i {
  display: block; height: 100%;
  border-radius: 3px;
  background: var(--teal);
}

.float-chip {
  position: absolute;
  background: var(--white);
  border-radius: var(--radius);
  box-shadow: var(--shadow-md);
  padding: 14px 20px;
  display: flex;
  align-items: center;
  gap: 12px;
  z-index: 3;
  animation: floatY 4s ease-in-out infinite;
}
.float-chip .ic {
  width: 40px; height: 40px;
  border-radius: 10px;
  display: flex; align-items: center; justify-content: center;
  flex-shrink: 0;
}
.float-chip .t { font-size: 14px; font-weight: 600; color: var(--navy); line-height: 1.3; }
.float-chip .d { font-size: 12px; color: var(--text-muted); }
.chip-1 { top: -24px; left: -30px; }
.chip-1 .ic { background: var(--teal-light); color: var(--teal-dark); }
.chip-2 { bottom: -24px; right: -20px; animation-delay: 1.6s; }
.chip-2 .ic { background: rgba(58,36,74,0.08); color: var(--navy); }
@keyframes floatY {
  0%, 100% { transform: translateY(0); }
  50% { transform: translateY(-10px); }
}

/* ---------- 合作伙伴条 ---------- */
.partner-strip {
  border-top: 1px solid var(--border);
  border-bottom: 1px solid var(--border);
  background: var(--white);
  padding: 28px 0;
}
.partner-strip .container {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  flex-wrap: wrap;
}
.partner-label { font-size: 13px; color: var(--text-muted); letter-spacing: 2px; }
.partner-logos { display: flex; gap: 48px; flex-wrap: wrap; align-items: center; }
.partner-logos span {
  font-size: 17px;
  font-weight: 600;
  color: var(--text-muted);
  letter-spacing: 1px;
  opacity: 0.75;
  transition: var(--transition);
}
.partner-logos span:hover { color: var(--navy); opacity: 1; }

/* ---------- 三大支柱 ---------- */
.pillars-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 28px; }
.pillar {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 40px 32px;
  transition: var(--transition);
  position: relative;
  overflow: hidden;
}
.pillar::before {
  content: "";
  position: absolute;
  top: 0; left: 0; right: 0;
  height: 4px;
  background: linear-gradient(90deg, var(--teal), var(--navy));
  transform: scaleX(0);
  transform-origin: left;
  transition: var(--transition);
}
.pillar:hover { transform: translateY(-8px); box-shadow: var(--shadow-md); border-color: transparent; }
.pillar:hover::before { transform: scaleX(1); }
.pillar-icon {
  width: 60px; height: 60px;
  border-radius: 14px;
  background: var(--teal-08);
  color: var(--teal-dark);
  display: flex; align-items: center; justify-content: center;
  margin-bottom: 24px;
}
.pillar h3 { font-size: 21px; font-weight: 600; color: var(--navy); margin-bottom: 12px; }
.pillar p { font-size: 15px; color: var(--text-secondary); margin-bottom: 20px; }
.pillar-link { font-size: 15px; font-weight: 600; color: var(--teal); display: inline-flex; align-items: center; gap: 6px; }
.pillar-link:hover { gap: 10px; }

/* ---------- 业务网格（首页5大业务 + 服务页） ---------- */
.services-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 28px; }
.service-card {
  background: var(--white);
  border-radius: var(--radius);
  border: 1px solid var(--border);
  padding: 36px 30px;
  transition: var(--transition);
  position: relative;
}
.service-card:hover { transform: translateY(-6px); box-shadow: var(--shadow-md); }
.service-card .sc-tag {
  position: absolute;
  top: 20px; right: 20px;
  font-size: 12px;
  padding: 4px 12px;
  border-radius: 999px;
  background: var(--teal-light);
  color: var(--teal-dark);
  font-weight: 600;
}
.service-card .sc-icon {
  width: 56px; height: 56px;
  border-radius: 14px;
  display: flex; align-items: center; justify-content: center;
  margin-bottom: 22px;
}
.sc-icon.t1 { background: var(--teal-08); color: var(--teal-dark); }
.sc-icon.t2 { background: rgba(58,36,74,0.06); color: var(--navy); }
.service-card h3 { font-size: 20px; font-weight: 600; color: var(--navy); margin-bottom: 12px; }
.service-card p { font-size: 14.5px; color: var(--text-secondary); margin-bottom: 20px; }
.service-card ul { margin-bottom: 22px; }
.service-card ul li {
  font-size: 14px;
  color: var(--text-secondary);
  padding: 5px 0 5px 24px;
  position: relative;
}
.service-card ul li::before {
  content: "";
  position: absolute;
  left: 0; top: 13px;
  width: 14px; height: 14px;
  border-radius: 50%;
  background: var(--teal-08);
}
.service-card ul li::after {
  content: "";
  position: absolute;
  left: 4.5px; top: 17px;
  width: 5px; height: 5px;
  border-radius: 50%;
  background: var(--teal);
}
.service-card .sc-link { font-size: 14px; font-weight: 600; color: var(--teal); display: inline-flex; align-items: center; gap: 6px; }
.service-card .sc-link:hover { gap: 10px; }

/* ---------- 数字统计 ---------- */
.stats-band {
  background: linear-gradient(135deg, var(--navy) 0%, #A98CD2 55%, #4E2C73 100%);
  padding: 80px 0;
  position: relative;
  overflow: hidden;
}
.stats-band::after {
  content: "";
  position: absolute;
  right: -100px; top: -100px;
  width: 400px; height: 400px;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(106,61,154,0.25), transparent 70%);
}
.stats-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 32px; text-align: center; position: relative; z-index: 1; }
.stat-item .num {
  font-size: 46px;
  font-weight: 700;
  color: var(--white);
  margin-bottom: 8px;
  font-variant-numeric: tabular-nums;
}
.stat-item .num em { font-style: normal; color: #A98CD2; }
.stat-item .label { font-size: 15px; color: rgba(255,255,255,0.65); }

/* ---------- 双栏图文 ---------- */
.split { display: grid; grid-template-columns: 1fr 1fr; gap: 72px; align-items: center; }
.split-visual { position: relative; }
.split-content .eyebrow { margin-bottom: 14px; }
.split-content h2 { font-size: 34px; font-weight: 700; color: var(--navy); line-height: 1.35; margin-bottom: 20px; }
.split-content > p { font-size: 16px; color: var(--text-secondary); margin-bottom: 28px; }
.feature-list { display: grid; gap: 20px; margin-bottom: 32px; }
.feature-item { display: flex; gap: 16px; align-items: flex-start; }
.feature-item .fi-icon {
  width: 44px; height: 44px;
  border-radius: 12px;
  background: var(--teal-08);
  color: var(--teal-dark);
  display: flex; align-items: center; justify-content: center;
  flex-shrink: 0;
}
.feature-item h4 { font-size: 16px; font-weight: 600; color: var(--navy); margin-bottom: 4px; }
.feature-item p { font-size: 14px; color: var(--text-secondary); }

.visual-frame {
  border-radius: 20px;
  background: linear-gradient(145deg, #F3EDF9, #F5F5F5);
  border: 1px solid var(--border);
  overflow: hidden;
  box-shadow: var(--shadow-md);
  aspect-ratio: 4/3.4;
  display: flex;
  align-items: center;
  justify-content: center;
  position: relative;
}
.visual-frame svg { width: 68%; height: auto; }
.visual-badge {
  position: absolute;
  bottom: 20px; left: 20px;
  background: var(--white);
  border-radius: var(--radius-sm);
  padding: 12px 18px;
  box-shadow: var(--shadow-md);
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: 13px;
  font-weight: 600;
  color: var(--navy);
}
.visual-badge .dot { width: 8px; height: 8px; border-radius: 50%; background: var(--teal); }

/* ---------- 客户评价 ---------- */
.testimonials-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 28px; }
.testimonial {
  background: var(--white);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 32px;
  display: flex;
  flex-direction: column;
  gap: 20px;
  transition: var(--transition);
}
.testimonial:hover { box-shadow: var(--shadow-md); transform: translateY(-4px); }
.stars { color: #6A3D9A; font-size: 16px; letter-spacing: 3px; }
.testimonial p { font-size: 15px; color: var(--text-secondary); flex: 1; }
.testimonial .who { display: flex; align-items: center; gap: 12px; }
.testimonial .who .av {
  width: 42px; height: 42px;
  border-radius: 50%;
  display: flex; align-items: center; justify-content: center;
  font-size: 15px; font-weight: 600;
  color: var(--white);
}
.testimonial .who .n { font-size: 15px; font-weight: 600; color: var(--navy); }
.testimonial .who .r { font-size: 12.5px; color: var(--text-muted); }

/* ---------- CTA 横幅 ---------- */
.cta-band {
  background:
    radial-gradient(ellipse 70% 120% at 20% 0%, rgba(106,61,154,0.35), transparent 60%),
    linear-gradient(120deg, var(--navy), #4E2C73);
  border-radius: 24px;
  padding: 72px 64px;
  color: var(--white);
  display: grid;
  grid-template-columns: 1.4fr 1fr;
  gap: 40px;
  align-items: center;
  position: relative;
  overflow: hidden;
}
.cta-band::after {
  content: "";
  position: absolute;
  right: -80px; bottom: -120px;
  width: 340px; height: 340px;
  border-radius: 50%;
  border: 60px solid rgba(255,255,255,0.05);
}
.cta-band h2 { font-size: 32px; font-weight: 700; margin-bottom: 16px; letter-spacing: 0.5px; }
.cta-band p { color: rgba(255,255,255,0.75); font-size: 16px; max-width: 480px; }
.cta-actions { display: flex; gap: 16px; flex-wrap: wrap; justify-content: flex-end; position: relative; z-index: 1; }

/* ---------- 新闻卡片 ---------- */
.news-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 28px; }
.news-card {
  background: var(--white);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  overflow: hidden;
  transition: var(--transition);
  display: flex;
  flex-direction: column;
}
.news-card:hover { transform: translateY(-6px); box-shadow: var(--shadow-md); }
.news-cover {
  aspect-ratio: 16/9;
  display: flex;
  align-items: center;
  justify-content: center;
  position: relative;
  overflow: hidden;
}
.news-cover .nc-date {
  position: absolute;
  top: 16px; left: 16px;
  background: rgba(255,255,255,0.95);
  border-radius: var(--radius-sm);
  padding: 8px 14px;
  text-align: center;
  line-height: 1.25;
  box-shadow: var(--shadow-sm);
}
.nc-date .d { font-size: 20px; font-weight: 700; color: var(--navy); display: block; }
.nc-date .m { font-size: 11px; color: var(--teal); font-weight: 600; }
.news-body { padding: 26px; display: flex; flex-direction: column; flex: 1; }
.news-meta { display: flex; gap: 12px; margin-bottom: 12px; }
.news-tag {
  font-size: 12px;
  padding: 3px 12px;
  border-radius: 999px;
  background: var(--teal-light);
  color: var(--teal-dark);
  font-weight: 600;
}
.news-tag.navy { background: rgba(58,36,74,0.06); color: var(--navy); }
.news-card h3 { font-size: 18px; font-weight: 600; color: var(--navy); line-height: 1.5; margin-bottom: 12px; flex: 1; }
.news-card:hover h3 { color: var(--teal-dark); }
.news-card p { font-size: 14px; color: var(--text-secondary); margin-bottom: 18px; }
.news-card .more { font-size: 14px; font-weight: 600; color: var(--teal); display: inline-flex; align-items: center; gap: 6px; }

/* ---------- 页面横幅（内页） ---------- */
.page-banner {
  background:
    radial-gradient(ellipse 50% 80% at 85% 10%, rgba(106,61,154,0.18), transparent 65%),
    linear-gradient(135deg, var(--navy) 0%, #4E2C73 100%);
  padding: 150px 0 80px;
  color: var(--white);
  text-align: center;
  position: relative;
  overflow: hidden;
}
.page-banner::before {
  content: "";
  position: absolute;
  left: -80px; bottom: -140px;
  width: 320px; height: 320px;
  border-radius: 50%;
  border: 50px solid rgba(255,255,255,0.04);
}
.page-banner .eyebrow { color: #A98CD2; }
.page-banner .eyebrow::before, .page-banner .eyebrow::after { background: #A98CD2; }
.page-banner h1 { font-size: 42px; font-weight: 700; margin-bottom: 16px; letter-spacing: 1px; }
.page-banner p { color: rgba(255,255,255,0.7); max-width: 620px; margin: 0 auto; font-size: 16px; }
.breadcrumb {
  margin-top: 28px;
  font-size: 14px;
  color: rgba(255,255,255,0.55);
}
.breadcrumb a { color: rgba(255,255,255,0.8); }
.breadcrumb a:hover { color: #A98CD2; }

/* ---------- 关于我们 ---------- */
.value-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 24px; }
.value-card {
  background: var(--white);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 34px 26px;
  text-align: center;
  transition: var(--transition);
}
.value-card:hover { transform: translateY(-6px); box-shadow: var(--shadow-md); }
.value-card .vc-icon {
  width: 56px; height: 56px;
  margin: 0 auto 18px;
  border-radius: 50%;
  background: var(--teal-08);
  color: var(--teal-dark);
  display: flex; align-items: center; justify-content: center;
}
.value-card h3 { font-size: 18px; font-weight: 600; color: var(--navy); margin-bottom: 10px; }
.value-card p { font-size: 14px; color: var(--text-secondary); }

/* 时间线 */
.timeline { position: relative; max-width: 860px; margin: 0 auto; padding-left: 36px; }
.timeline::before {
  content: "";
  position: absolute;
  left: 8px; top: 8px; bottom: 8px;
  width: 2px;
  background: linear-gradient(180deg, var(--teal), var(--border));
}
.tl-item { position: relative; padding-bottom: 44px; }
.tl-item:last-child { padding-bottom: 0; }
.tl-item::before {
  content: "";
  position: absolute;
  left: -36px; top: 6px;
  width: 18px; height: 18px;
  border-radius: 50%;
  background: var(--white);
  border: 4px solid var(--teal);
  box-shadow: 0 0 0 4px rgba(106,61,154,0.15);
}
.tl-year { font-size: 15px; font-weight: 700; color: var(--teal); margin-bottom: 6px; letter-spacing: 1px; }
.tl-item h3 { font-size: 19px; font-weight: 600; color: var(--navy); margin-bottom: 8px; }
.tl-item p { font-size: 14.5px; color: var(--text-secondary); max-width: 640px; }

/* 团队 */
.team-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 28px; }
.team-card {
  background: var(--white);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  overflow: hidden;
  transition: var(--transition);
}
.team-card:hover { transform: translateY(-6px); box-shadow: var(--shadow-md); }
.team-photo {
  aspect-ratio: 1/1.05;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--white);
}
.team-photo .initial {
  font-size: 44px;
  font-weight: 700;
  opacity: 0.9;
}
.tp-1 { background: linear-gradient(140deg, #6A3D9A, #A98CD2); }
.tp-2 { background: linear-gradient(140deg, #4E2C73, var(--teal)); }
.tp-3 { background: linear-gradient(140deg, #A98CD2, #C7B3E3); }
.tp-4 { background: linear-gradient(140deg, #6A3D9A, var(--teal-dark)); }
.team-info { padding: 22px 20px; text-align: center; }
.team-info h3 { font-size: 17px; font-weight: 600; color: var(--navy); }
.team-info span { font-size: 13px; color: var(--teal); font-weight: 500; }

/* ---------- 服务详情（服务页） ---------- */
.service-detail {
  display: grid;
  grid-template-columns: 0.85fr 1.15fr;
  gap: 64px;
  align-items: center;
  padding: 64px 0;
}
.service-detail + .service-detail { border-top: 1px solid var(--border); }
.service-detail:nth-child(even) { grid-template-columns: 1.15fr 0.85fr; }
.service-detail:nth-child(even) .sd-visual { order: 2; }
.sd-num {
  font-size: 64px;
  font-weight: 700;
  color: var(--teal-08);
  -webkit-text-stroke: 1.5px var(--teal);
  line-height: 1;
  margin-bottom: 10px;
}
.service-detail h2 { font-size: 28px; font-weight: 700; color: var(--navy); margin-bottom: 16px; }
.service-detail > div > p { font-size: 15.5px; color: var(--text-secondary); margin-bottom: 24px; }
.sd-points { display: grid; grid-template-columns: 1fr 1fr; gap: 14px; }
.sd-point {
  display: flex; align-items: flex-start; gap: 10px;
  font-size: 14.5px; color: var(--text-secondary);
  background: var(--bg-light);
  padding: 14px 16px;
  border-radius: var(--radius-sm);
}
.sd-point svg { flex-shrink: 0; margin-top: 2px; }

/* ---------- 新闻页 ---------- */
.filter-bar { display: flex; justify-content: center; gap: 12px; margin-bottom: 48px; flex-wrap: wrap; }
.filter-btn {
  padding: 9px 24px;
  border-radius: 999px;
  font-size: 14.5px;
  font-weight: 500;
  color: var(--text-secondary);
  background: var(--white);
  border: 1px solid var(--border);
  transition: var(--transition);
}
.filter-btn:hover { border-color: var(--teal); color: var(--teal); }
.filter-btn.active { background: var(--navy); color: var(--white); border-color: var(--navy); }

.featured-news {
  display: grid;
  grid-template-columns: 1.2fr 1fr;
  gap: 48px;
  align-items: center;
  background: var(--white);
  border: 1px solid var(--border);
  border-radius: 20px;
  overflow: hidden;
  margin-bottom: 56px;
}
.featured-cover {
  aspect-ratio: 16/10;
  display: flex; align-items: center; justify-content: center;
}
.featured-body { padding: 40px 48px 40px 0; }
.featured-body h2 { font-size: 26px; font-weight: 700; color: var(--navy); margin: 12px 0 16px; line-height: 1.4; }
.featured-body p { font-size: 15px; color: var(--text-secondary); margin-bottom: 24px; }

/* ---------- 联系我们 ---------- */
.contact-layout { display: grid; grid-template-columns: 1fr 1.25fr; gap: 56px; align-items: start; }
.info-card {
  background: linear-gradient(140deg, var(--navy), #A98CD2);
  border-radius: 20px;
  padding: 44px 40px;
  color: var(--white);
}
.info-card h3 { font-size: 22px; font-weight: 600; margin-bottom: 10px; }
.info-card > p { font-size: 14.5px; color: rgba(255,255,255,0.65); margin-bottom: 32px; }
.info-item { display: flex; gap: 16px; padding: 18px 0; border-top: 1px solid rgba(255,255,255,0.1); }
.info-item .ii-icon {
  width: 42px; height: 42px;
  border-radius: 12px;
  background: rgba(106,61,154,0.25);
  color: #A98CD2;
  display: flex; align-items: center; justify-content: center;
  flex-shrink: 0;
}
.info-item .k { font-size: 12.5px; color: rgba(255,255,255,0.55); margin-bottom: 2px; }
.info-item .v { font-size: 15px; font-weight: 500; }

.contact-form-card {
  background: var(--white);
  border: 1px solid var(--border);
  border-radius: 20px;
  padding: 44px 40px;
  box-shadow: var(--shadow-sm);
}
.contact-form-card h3 { font-size: 22px; font-weight: 600; color: var(--navy); margin-bottom: 6px; }
.contact-form-card > p { font-size: 14px; color: var(--text-muted); margin-bottom: 28px; }
.form-row { display: grid; grid-template-columns: 1fr 1fr; gap: 20px; }
.form-group { margin-bottom: 20px; }
.form-group label { display: block; font-size: 14px; font-weight: 600; color: var(--navy); margin-bottom: 8px; }
.form-group label .req { color: #E05A5A; }
.form-control {
  width: 100%;
  padding: 13px 16px;
  border: 1.5px solid var(--border);
  border-radius: var(--radius-sm);
  font-size: 15px;
  font-family: inherit;
  color: var(--navy);
  background: var(--bg-light);
  transition: var(--transition);
}
.form-control:focus {
  outline: none;
  border-color: var(--teal);
  background: var(--white);
  box-shadow: 0 0 0 4px rgba(106,61,154,0.1);
}
textarea.form-control { resize: vertical; min-height: 130px; }
.form-success {
  display: none;
  background: var(--teal-light);
  border: 1px solid rgba(106,61,154,0.3);
  color: var(--teal-dark);
  border-radius: var(--radius-sm);
  padding: 16px 20px;
  font-size: 14.5px;
  font-weight: 500;
  margin-top: 16px;
  text-align: center;
}
.form-success.show { display: block; animation: fadeUp 0.4s ease; }

@keyframes fadeUp {
  from { opacity: 0; transform: translateY(10px); }
  to { opacity: 1; transform: translateY(0); }
}

/* 地图 */
.map-note {
  margin-top: 56px;
  background: var(--bg-light);
  border: 1px solid var(--border);
  border-radius: 20px;
  padding: 48px;
  display: grid;
  grid-template-columns: 1fr 1.4fr;
  gap: 40px;
  align-items: center;
}
.map-visual {
  border-radius: var(--radius);
  background: var(--white);
  border: 1px solid var(--border);
  aspect-ratio: 16/9;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-direction: column;
  gap: 12px;
  color: var(--text-muted);
  font-size: 14px;
}
.map-visual svg { opacity: 0.85; }

/* ---------- FAQ ---------- */
.faq-list { max-width: 800px; margin: 0 auto; }
.faq-item {
  background: var(--white);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  margin-bottom: 14px;
  overflow: hidden;
  transition: var(--transition);
}
.faq-item.open { border-color: rgba(106,61,154,0.4); box-shadow: var(--shadow-sm); }
.faq-q {
  width: 100%;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  padding: 20px 26px;
  font-size: 16px;
  font-weight: 600;
  color: var(--navy);
  text-align: left;
}
.faq-q .fm {
  width: 28px; height: 28px;
  border-radius: 50%;
  background: var(--teal-08);
  color: var(--teal-dark);
  display: flex; align-items: center; justify-content: center;
  flex-shrink: 0;
  transition: var(--transition);
}
.faq-item.open .fm { transform: rotate(45deg); background: var(--teal); color: var(--white); }
.faq-a {
  max-height: 0;
  overflow: hidden;
  transition: max-height 0.35s ease;
}
.faq-a-inner { padding: 0 26px 22px; font-size: 14.5px; color: var(--text-secondary); }

/* ---------- 页脚 ---------- */
.footer {
  background: var(--navy);
  color: rgba(255,255,255,0.7);
  padding: 72px 0 0;
}
.footer-grid {
  display: grid;
  grid-template-columns: 1.6fr 1fr 1fr 1.2fr;
  gap: 48px;
  padding-bottom: 56px;
}
.footer .logo-name { color: var(--white); }
.footer .logo-sub { color: #A98CD2; }
.footer-about { font-size: 14px; line-height: 1.8; margin: 20px 0 24px; max-width: 300px; }
.footer h4 {
  font-size: 16px;
  font-weight: 600;
  color: var(--white);
  margin-bottom: 20px;
}
.footer-links li { margin-bottom: 12px; }
.footer-links a { font-size: 14px; color: rgba(255,255,255,0.65); }
.footer-links a:hover { color: #A98CD2; padding-left: 4px; }
.footer-contact li {
  display: flex; gap: 10px;
  font-size: 14px;
  margin-bottom: 14px;
  align-items: flex-start;
}
.footer-contact svg { flex-shrink: 0; margin-top: 3px; color: #A98CD2; }
.footer-bottom {
  border-top: 1px solid rgba(255,255,255,0.1);
  padding: 24px 0;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  flex-wrap: wrap;
  font-size: 13.5px;
  color: rgba(255,255,255,0.45);
}
.footer-bottom a { color: rgba(255,255,255,0.55); }
.footer-bottom a:hover { color: #A98CD2; }

/* ---------- 动画 ---------- */
.reveal { opacity: 0; transform: translateY(28px); transition: opacity 0.7s ease, transform 0.7s ease; }
.reveal.visible { opacity: 1; transform: translateY(0); }
.reveal-d1 { transition-delay: 0.1s; }
.reveal-d2 { transition-delay: 0.2s; }
.reveal-d3 { transition-delay: 0.3s; }

/* ---------- 回到顶部 ---------- */
.back-top {
  position: fixed;
  right: 28px; bottom: 28px;
  width: 46px; height: 46px;
  border-radius: 50%;
  background: var(--navy);
  color: var(--white);
  display: flex; align-items: center; justify-content: center;
  box-shadow: var(--shadow-md);
  opacity: 0;
  visibility: hidden;
  transform: translateY(12px);
  transition: var(--transition);
  z-index: 900;
}
.back-top.show { opacity: 1; visibility: visible; transform: translateY(0); }
.back-top:hover { background: var(--teal); }

/* ============================================================
   响应式适配
   ============================================================ */
@media (max-width: 1200px) {
  .container, .nav-inner { padding: 0 32px; }
}

@media (max-width: 1024px) {
  .hero-grid { grid-template-columns: 1fr; gap: 56px; }
  .hero p { max-width: 100%; }
  .pillars-grid, .services-grid, .testimonials-grid, .news-grid { grid-template-columns: repeat(2, 1fr); }
  .stats-grid { grid-template-columns: repeat(2, 1fr); gap: 40px; }
  .split { grid-template-columns: 1fr; gap: 48px; }
  .value-grid, .team-grid { grid-template-columns: repeat(2, 1fr); }
  .service-detail, .service-detail:nth-child(even) { grid-template-columns: 1fr; gap: 36px; padding: 48px 0; }
  .service-detail:nth-child(even) .sd-visual { order: 0; }
  .contact-layout { grid-template-columns: 1fr; }
  .featured-news { grid-template-columns: 1fr; }
  .featured-body { padding: 0 32px 36px; }
  .map-note { grid-template-columns: 1fr; }
  .cta-band { grid-template-columns: 1fr; text-align: center; }
  .cta-band p { margin: 0 auto; }
  .cta-actions { justify-content: center; }
  .footer-grid { grid-template-columns: 1fr 1fr; }
}

@media (max-width: 768px) {
  :root { --nav-height: 64px; }
  .container, .nav-inner { padding: 0 20px; }

  .nav-links, .nav-cta { display: none; }
  .nav-toggle { display: flex; }

  /* 移动端抽屉菜单 */
  .mobile-menu {
    position: fixed;
    top: var(--nav-height);
    left: 0; right: 0;
    background: var(--white);
    border-bottom: 1px solid var(--border);
    box-shadow: var(--shadow-lg);
    padding: 12px 20px 24px;
    display: none;
    flex-direction: column;
    z-index: 999;
  }
  .mobile-menu.open { display: flex; animation: fadeUp 0.25s ease; }
  .mobile-menu a {
    padding: 14px 8px;
    font-size: 16px;
    font-weight: 500;
    color: var(--text-primary);
    border-bottom: 1px solid var(--bg-light);
  }
  .mobile-menu a.active { color: var(--teal); font-weight: 600; }
  .mobile-menu .btn { margin-top: 16px; }

  .section { padding: 64px 0; }
  .hero { padding: 88px 0 56px; }
  .hero h1 { font-size: 32px; }
  .hero p { font-size: 15.5px; }
  .hero-stats { gap: 28px; margin-top: 40px; }
  .hero-stat .num { font-size: 26px; }
  .hero-card { padding: 24px; }
  .hc-metrics { grid-template-columns: 1fr 1fr; }
  .float-chip { display: none; }

  .section-title { font-size: 26px; }
  .section-head { margin-bottom: 40px; }
  .pillars-grid, .services-grid, .testimonials-grid, .news-grid { grid-template-columns: 1fr; }
  .stats-grid { grid-template-columns: 1fr 1fr; gap: 32px; }
  .stat-item .num { font-size: 34px; }

  .split { gap: 36px; }
  .split-content h2 { font-size: 24px; }
  .sd-points { grid-template-columns: 1fr; }
  .value-grid, .team-grid { grid-template-columns: 1fr; }

  .cta-band { padding: 44px 28px; border-radius: 18px; }
  .cta-band h2 { font-size: 24px; }
  .cta-actions { flex-direction: column; width: 100%; }
  .cta-actions .btn { width: 100%; }

  .page-banner { padding: 120px 0 56px; }
  .page-banner h1 { font-size: 30px; }

  .info-card, .contact-form-card { padding: 30px 24px; }
  .form-row { grid-template-columns: 1fr; gap: 0; }
  .featured-body { padding: 0 24px 28px; }
  .featured-body h2 { font-size: 21px; }

  .footer-grid { grid-template-columns: 1fr; gap: 36px; }
  .footer-bottom { justify-content: center; text-align: center; }
  .back-top { right: 16px; bottom: 16px; }
}

@media (max-width: 400px) {
  .hero h1 { font-size: 27px; }
  .logo-name { font-size: 15px; }
}

/* ============================================================
   新闻详情弹窗 (news.js)
   ============================================================ */
.news-modal { position: fixed; inset: 0; z-index: 2000; display: none; }
.news-modal.open { display: block; }
.news-modal-overlay { position: absolute; inset: 0; background: rgba(26,26,26,0.55); backdrop-filter: blur(2px); }
.news-modal-box {
  position: relative; max-width: 720px; margin: 6vh auto; background: #fff;
  border-radius: 16px; overflow: hidden; box-shadow: 0 24px 60px rgba(26,26,26,0.3);
  max-height: 88vh; display: flex; flex-direction: column; animation: fadeUp 0.3s ease;
}
.news-modal-close {
  position: absolute; top: 12px; right: 14px; z-index: 2; width: 34px; height: 34px;
  border: none; border-radius: 50%; background: rgba(255,255,255,0.85); color: #1A1A1A;
  font-size: 22px; line-height: 1; cursor: pointer;
}
.news-modal-cover { height: 180px; flex: none; }
.news-modal-content { padding: 28px 32px 36px; overflow-y: auto; }
.news-modal-content h2 { font-size: 24px; color: var(--navy); margin: 12px 0 14px; line-height: 1.4; }
.news-modal-content p { font-size: 15.5px; color: var(--text-secondary); line-height: 1.85; white-space: pre-wrap; }

/* ============================================================
   内容管理后台 (admin.html)
   ============================================================ */
.admin-login { min-height: 100vh; display: flex; align-items: center; justify-content: center; background: var(--bg-light); padding: 20px; }
.admin-login-card { background: #fff; border-radius: 16px; padding: 40px 36px; width: 100%; max-width: 400px; box-shadow: var(--shadow-md); text-align: left; }
.admin-bar { display: flex; align-items: center; justify-content: space-between; background: var(--navy); padding: 14px 24px; color: #fff; }
.admin-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 24px; }
.admin-card { background: #fff; border: 1px solid var(--border); border-radius: 16px; padding: 24px; }
.admin-col { display: flex; flex-direction: column; gap: 24px; min-width: 0; }

/* 后台新闻管理列表 */
.news-manage-item { border: 1px solid var(--border); border-radius: 12px; padding: 14px 16px; }
.news-manage-item.is-editing { border-color: var(--purple); box-shadow: 0 0 0 3px rgba(106, 61, 154, 0.08); }
.news-manage-head { display: flex; align-items: flex-start; justify-content: space-between; gap: 12px; }
.news-manage-title { font-size: 15px; font-weight: 600; color: var(--text-primary); line-height: 1.45; }
.news-manage-meta { font-size: 12.5px; color: var(--text-muted); margin-top: 4px; }
.news-manage-actions { display: flex; gap: 8px; flex-shrink: 0; }
.news-badge { display: inline-block; font-size: 11.5px; line-height: 1; padding: 4px 8px; border-radius: 999px; margin-left: 8px; vertical-align: 2px; }
.news-badge.published { background: #E8F5E9; color: #2E7D32; }
.news-badge.draft { background: #F3EDF9; color: var(--purple); }
.btn-mini { padding: 5px 12px; font-size: 12.5px; border-radius: 8px; border: 1px solid var(--border); background: #fff; color: var(--text-secondary); cursor: pointer; transition: all .2s; }
.btn-mini:hover { border-color: var(--purple); color: var(--purple); }
.btn-mini.danger:hover { border-color: #E05A5A; color: #E05A5A; }
.btn-outline-light { background: transparent; border: 1px solid rgba(255,255,255,0.5); color: #fff; }
@media (max-width: 768px) { .admin-grid { grid-template-columns: 1fr; } }