* { margin: 0; padding: 0; box-sizing: border-box; }
body {
  font-family: "Microsoft YaHei", "PingFang SC", -apple-system, sans-serif;
  background: #fff;
  color: #334155;
  line-height: 1.6;
}
a { text-decoration: none; color: inherit; }
ul { list-style: none; }
.container { max-width: 1140px; margin: 0 auto; padding: 0 20px; }

/* ===== 导航栏 ===== */
.navbar {
  position: fixed; top: 0; left: 0; right: 0; z-index: 100;
  background: rgba(255,255,255,0.95);
  backdrop-filter: blur(10px);
  border-bottom: 1px solid #e2e8f0;
}
.nav-inner {
  max-width: 1140px; margin: 0 auto; padding: 0 20px;
  display: flex; align-items: center; justify-content: space-between;
  height: 68px;
}
.logo { font-size: 22px; font-weight: bold; color: #1e40af; }
.logo span { color: #3b82f6; }
.nav-links { display: flex; gap: 28px; }
.nav-links a {
  font-size: 14px; color: #475569; font-weight: 500;
  transition: color 0.3s;
  position: relative;
}
.nav-links a::after {
  content: ''; position: absolute; bottom: -4px; left: 0;
  width: 0; height: 2px; background: #2563eb; transition: width 0.3s;
}
.nav-links a:hover { color: #2563eb; }
.nav-links a:hover::after { width: 100%; }
.nav-btn {
  padding: 9px 24px; background: linear-gradient(135deg, #1e40af, #3b82f6);
  border-radius: 25px; font-size: 14px; font-weight: 500; color: #fff;
  transition: all 0.3s;
  box-shadow: 0 4px 15px rgba(37,99,235,0.3);
}
.nav-btn:hover { transform: translateY(-2px); box-shadow: 0 6px 20px rgba(37,99,235,0.4); }

/* ===== Hero区（居中布局） ===== */
.hero {
  padding: 140px 0 80px;
  background:
    radial-gradient(ellipse at 20% 20%, rgba(59,130,246,0.15) 0%, transparent 50%),
    radial-gradient(ellipse at 80% 80%, rgba(30,64,175,0.1) 0%, transparent 50%),
    linear-gradient(180deg, #f0f5ff 0%, #fff 100%);
  position: relative; overflow: hidden;
  text-align: center;
}
.hero::before {
  content: ''; position: absolute; top: 10%; left: 5%;
  width: 80px; height: 80px;
  border: 3px solid rgba(59,130,246,0.2);
  border-radius: 20px;
  transform: rotate(15deg);
}
.hero::after {
  content: ''; position: absolute; bottom: 15%; right: 8%;
  width: 60px; height: 60px;
  background: rgba(59,130,246,0.1);
  border-radius: 50%;
}
.hero-tag {
  display: inline-flex; align-items: center; gap: 6px;
  padding: 6px 18px;
  background: #fff;
  border: 1px solid #bfdbfe;
  border-radius: 20px;
  font-size: 12px; color: #2563eb; font-weight: 600;
  margin-bottom: 24px;
  box-shadow: 0 2px 10px rgba(37,99,235,0.08);
}
.hero h1 {
  font-size: 48px; font-weight: bold; color: #0f172a;
  margin-bottom: 20px; line-height: 1.3;
}
.hero h1 span {
  background: linear-gradient(135deg, #1e40af, #3b82f6);
  -webkit-background-clip: text; -webkit-text-fill-color: transparent;
  background-clip: text;
}
.hero p {
  font-size: 16px; color: #64748b;
  margin-bottom: 36px; line-height: 1.8;
  max-width: 600px; margin-left: auto; margin-right: auto;
}
.hero-buttons { display: flex; gap: 16px; justify-content: center; margin-bottom: 60px; }
.hero-btn {
  display: inline-flex; align-items: center; gap: 6px;
  padding: 14px 32px;
  background: linear-gradient(135deg, #1e40af, #3b82f6);
  color: #fff;
  border-radius: 8px; font-size: 15px; font-weight: 600;
  transition: all 0.3s;
  box-shadow: 0 6px 20px rgba(37,99,235,0.3);
}
.hero-btn:hover { transform: translateY(-3px); box-shadow: 0 10px 30px rgba(37,99,235,0.4); }
.hero-btn-outline {
  display: inline-flex; align-items: center; gap: 6px;
  padding: 14px 32px;
  background: #fff; color: #1e40af;
  border: 2px solid #bfdbfe;
  border-radius: 8px; font-size: 15px; font-weight: 600;
  transition: all 0.3s;
}
.hero-btn-outline:hover { border-color: #2563eb; background: #f0f7ff; }

/* Hero数据统计 */
.hero-stats {
  display: flex; justify-content: center; gap: 60px;
  padding-top: 40px;
  border-top: 1px solid #e2e8f0;
  max-width: 800px; margin: 0 auto;
}
.hero-stat .num {
  font-size: 36px; font-weight: bold;
  background: linear-gradient(135deg, #1e40af, #3b82f6);
  -webkit-background-clip: text; -webkit-text-fill-color: transparent;
  background-clip: text;
}
.hero-stat .label { font-size: 14px; color: #64748b; margin-top: 4px; }

/* ===== 通用区块 ===== */
.section { padding: 80px 0; }
.section-gray { background: #f8fafc; }
.section-header { text-align: center; margin-bottom: 50px; }
.section-subtitle {
  font-size: 12px; font-weight: 600; color: #2563eb;
  text-transform: uppercase; letter-spacing: 2px; margin-bottom: 12px;
}
.section-title {
  font-size: 32px; font-weight: bold; color: #0f172a; margin-bottom: 14px;
  line-height: 1.3;
}
.section-desc {
  font-size: 15px; color: #64748b; max-width: 600px; margin: 0 auto;
  line-height: 1.8;
}

/* ===== 核心优势（2列，图标左文字右） ===== */
.adv-grid {
  display: grid; grid-template-columns: repeat(2, 1fr); gap: 20px;
}
.adv-item {
  display: flex; align-items: flex-start; gap: 18px;
  padding: 28px;
  background: #fff;
  border-radius: 14px;
  border: 1px solid #e2e8f0;
  transition: all 0.3s;
}
.adv-item:hover {
  transform: translateY(-4px);
  box-shadow: 0 15px 40px rgba(37,99,235,0.12);
  border-color: #93c5fd;
}
.adv-icon {
  width: 56px; height: 56px;
  background: linear-gradient(135deg, #eff6ff, #dbeafe);
  border-radius: 14px;
  display: flex; align-items: center; justify-content: center;
  font-size: 26px;
  flex-shrink: 0;
}
.adv-text h4 {
  font-size: 17px; font-weight: bold; color: #0f172a; margin-bottom: 8px;
}
.adv-text p {
  font-size: 14px; color: #64748b; line-height: 1.7;
}

/* ===== 关于我们（左图右文） ===== */
.about-wrap {
  display: grid; grid-template-columns: 1fr 1fr; gap: 50px; align-items: center;
}
.about-img-wrap {
  position: relative;
  border-radius: 20px;
  overflow: hidden;
  box-shadow: 0 20px 50px rgba(0,0,0,0.15);
}
.about-img-wrap img { width: 100%; display: block; height: 400px; object-fit: cover; }
.about-img-badge {
  position: absolute; bottom: 20px; left: 20px;
  background: rgba(255,255,255,0.95);
  backdrop-filter: blur(10px);
  border-radius: 12px;
  padding: 16px 24px;
  box-shadow: 0 8px 25px rgba(0,0,0,0.1);
}
.about-img-badge .num { font-size: 28px; font-weight: bold; color: #1e40af; }
.about-img-badge .label { font-size: 12px; color: #64748b; }
.about-text .section-subtitle { text-align: left; }
.about-text h2 {
  font-size: 30px; font-weight: bold; color: #0f172a;
  margin-bottom: 18px; line-height: 1.3;
}
.about-text > p {
  font-size: 15px; color: #64748b; line-height: 1.8; margin-bottom: 24px;
}
.about-checks { margin-bottom: 28px; }
.about-check {
  display: flex; align-items: center; gap: 10px;
  padding: 8px 0;
  font-size: 14px; color: #334155;
}
.about-check .check-icon {
  width: 24px; height: 24px;
  background: linear-gradient(135deg, #1e40af, #3b82f6);
  border-radius: 50%;
  display: flex; align-items: center; justify-content: center;
  font-size: 12px; color: #fff;
  flex-shrink: 0;
}
.about-btn {
  display: inline-block;
  padding: 12px 32px;
  background: linear-gradient(135deg, #1e40af, #3b82f6);
  color: #fff;
  border-radius: 8px;
  font-size: 14px; font-weight: 600;
  transition: all 0.3s;
  box-shadow: 0 4px 15px rgba(37,99,235,0.3);
}
.about-btn:hover { transform: translateY(-2px); box-shadow: 0 8px 25px rgba(37,99,235,0.4); }

/* ===== 服务流程（横向步骤条） ===== */
.timeline {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  position: relative;
  gap: 10px;
}
.timeline::before {
  content: '';
  position: absolute;
  top: 30px;
  left: 10%;
  right: 10%;
  height: 3px;
  background: linear-gradient(90deg, #1e40af, #3b82f6, #93c5fd);
  border-radius: 2px;
  z-index: 0;
}
.timeline-item {
  flex: 1;
  text-align: center;
  position: relative;
  z-index: 1;
  padding: 0 8px;
}
.timeline-dot {
  width: 60px; height: 60px;
  margin: 0 auto 18px;
  background: linear-gradient(135deg, #1e40af, #3b82f6);
  border-radius: 50%;
  display: flex; align-items: center; justify-content: center;
  font-size: 20px; font-weight: bold; color: #fff;
  box-shadow: 0 6px 20px rgba(37,99,235,0.3);
  border: 4px solid #fff;
  position: relative;
  transition: all 0.3s;
}
.timeline-item:hover .timeline-dot {
  transform: scale(1.15);
  box-shadow: 0 8px 30px rgba(37,99,235,0.5);
}
.timeline-content {
  background: #fff;
  border-radius: 12px;
  padding: 20px 16px;
  box-shadow: 0 4px 15px rgba(0,0,0,0.06);
  border: 1px solid #e2e8f0;
  transition: all 0.3s;
}
.timeline-item:hover .timeline-content {
  box-shadow: 0 10px 30px rgba(37,99,235,0.12);
  transform: translateY(-4px);
  border-color: #93c5fd;
}
.timeline-step {
  display: inline-block;
  padding: 3px 12px;
  background: linear-gradient(135deg, #eff6ff, #dbeafe);
  color: #2563eb;
  border-radius: 12px;
  font-size: 11px; font-weight: 600;
  margin-bottom: 8px;
}
.timeline-content h4 {
  font-size: 15px; font-weight: bold; color: #0f172a; margin-bottom: 6px;
}
.timeline-content p {
  font-size: 12px; color: #64748b; line-height: 1.6;
}

/* ===== 客服展示（大卡片，横向4列） ===== */
.team-grid {
  display: grid; grid-template-columns: repeat(4, 1fr); gap: 24px;
}
.team-card {
  background: #fff;
  border-radius: 18px;
  padding: 32px 24px;
  text-align: center;
  box-shadow: 0 4px 20px rgba(0,0,0,0.06);
  border: 1px solid #e2e8f0;
  transition: all 0.3s;
  position: relative;
  overflow: hidden;
}
.team-card::before {
  content: ''; position: absolute; top: 0; left: 0; right: 0;
  height: 6px;
  background: linear-gradient(90deg, #1e40af, #3b82f6);
  transform: scaleX(0);
  transition: transform 0.3s;
}
.team-card:hover::before { transform: scaleX(1); }
.team-card:hover {
  transform: translateY(-8px);
  box-shadow: 0 20px 50px rgba(37,99,235,0.18);
}
.avatar {
  width: 100px; height: 100px;
  border-radius: 50%;
  border: 4px solid #fff;
  outline: 3px solid #3b82f6;
  overflow: hidden;
  margin: 0 auto 18px;
  box-shadow: 0 8px 25px rgba(37,99,235,0.25);
}
.avatar img { width: 100%; height: 100%; object-fit: cover; display: block; }
.team-card h4 { font-size: 18px; color: #0f172a; margin-bottom: 4px; }
.team-card .role {
  font-size: 13px; color: #2563eb; margin-bottom: 14px;
  font-weight: 600; letter-spacing: 0.5px;
}
.team-card .desc {
  font-size: 13px; color: #64748b; margin-bottom: 20px;
  line-height: 1.7; min-height: 55px;
}
.team-contact-btn {
  display: inline-block;
  padding: 10px 28px;
  background: linear-gradient(135deg, #1e40af, #3b82f6);
  border-radius: 25px;
  font-size: 13px; color: #fff; font-weight: 600;
  transition: all 0.3s;
  cursor: pointer;
  border: none;
  box-shadow: 0 4px 12px rgba(37,99,235,0.25);
}
.team-contact-btn:hover { transform: translateY(-2px); box-shadow: 0 6px 18px rgba(37,99,235,0.35); }

/* ===== 底部CTA ===== */
.cta {
  padding: 80px 0;
  background:
    radial-gradient(ellipse at 30% 50%, rgba(255,255,255,0.1) 0%, transparent 50%),
    linear-gradient(135deg, #1e3a8a 0%, #1e40af 50%, #2563eb 100%);
  text-align: center;
  position: relative;
  overflow: hidden;
}
.cta::before {
  content: ''; position: absolute; top: -80px; right: -80px;
  width: 250px; height: 250px;
  border: 2px solid rgba(255,255,255,0.1);
  border-radius: 50%;
}
.cta::after {
  content: ''; position: absolute; bottom: -60px; left: -60px;
  width: 180px; height: 180px;
  background: rgba(255,255,255,0.05);
  border-radius: 50%;
}
.cta h3 {
  font-size: 32px; color: #fff; margin-bottom: 14px;
  position: relative; z-index: 1;
}
.cta p {
  font-size: 16px; color: rgba(255,255,255,0.85);
  margin-bottom: 32px; position: relative; z-index: 1;
}
.cta .btn-white {
  display: inline-block;
  padding: 14px 40px;
  background: #fff;
  color: #1e40af;
  border-radius: 8px;
  font-size: 16px; font-weight: 600;
  transition: all 0.3s;
  position: relative; z-index: 1;
  box-shadow: 0 8px 25px rgba(0,0,0,0.2);
}
.cta .btn-white:hover { transform: translateY(-3px); box-shadow: 0 12px 35px rgba(0,0,0,0.3); }

/* ===== 页脚 ===== */
.footer { background: #0f172a; padding: 60px 0 20px; color: #94a3b8; }
.footer-grid {
  display: grid; grid-template-columns: 2fr 1fr 1fr 1fr; gap: 40px; margin-bottom: 40px;
}
.footer-brand h4 { font-size: 24px; color: #fff; margin-bottom: 16px; }
.footer-brand h4 span { color: #3b82f6; }
.footer-brand p { font-size: 14px; color: #64748b; line-height: 1.8; }
.footer-col h5 {
  font-size: 16px; color: #fff; margin-bottom: 18px;
  position: relative; padding-bottom: 10px;
}
.footer-col h5::after {
  content: ''; position: absolute; bottom: 0; left: 0;
  width: 30px; height: 2px; background: #3b82f6;
}
.footer-col li { padding: 6px 0; }
.footer-col a { font-size: 14px; color: #64748b; transition: all 0.3s; }
.footer-col a:hover { color: #3b82f6; padding-left: 4px; }

/* 友情链接 */
.flink-wrap {
  margin-top: 30px;
  padding-top: 24px;
  border-top: 1px solid rgba(255,255,255,0.08);
}
.flink-toggle {
  cursor: pointer; user-select: none;
  font-size: 14px; color: #64748b;
  display: inline-block;
  transition: color 0.3s;
}
.flink-toggle:hover { color: #3b82f6; }
.flink-box {
  margin-top: 12px;
  font-size: 13px;
  line-height: 2.2;
}
.flink-box.hidden { display: none !important; }
.flink-box a { color: #64748b; margin-right: 16px; transition: color 0.3s; }
.flink-box a:hover { color: #3b82f6; }

.footer-bottom {
  border-top: 1px solid rgba(255,255,255,0.08);
  padding-top: 24px;
  text-align: center;
  font-size: 13px;
  color: #475569;
  margin-top: 30px;
}

/* ===== 响应式 ===== */
@media (max-width: 900px) {
  .nav-links { display: none; }
  .hero h1 { font-size: 32px; }
  .hero-stats { gap: 30px; flex-wrap: wrap; }
  .adv-grid { grid-template-columns: 1fr; }
  .about-wrap { grid-template-columns: 1fr; }
  .team-grid { grid-template-columns: repeat(2, 1fr); }
  .footer-grid { grid-template-columns: 1fr 1fr; }
  /* 流程改纵向 */
  .timeline { flex-direction: column; align-items: center; gap: 20px; }
  .timeline::before { display: none; }
  .timeline-item { width: 100%; max-width: 400px; }
}
@media (max-width: 500px) {
  .team-grid { grid-template-columns: 1fr; }
  .footer-grid { grid-template-columns: 1fr; }
  .hero-buttons { flex-direction: column; align-items: center; }
  .section-title { font-size: 24px; }
  .hero h1 { font-size: 28px; }
}