/* ============================
   全局基础
   ============================ */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

:root {
  --primary: #1a56db;
  --primary-dark: #1240a8;
  --primary-light: #e8f0fe;
  --accent: #f59e0b;
  --dark: #0f1729;
  --dark2: #1e2a3a;
  --text: #1e293b;
  --text-muted: #64748b;
  --bg: #f8fafc;
  --white: #ffffff;
  --border: #e2e8f0;
  --radius: 12px;
  --shadow: 0 4px 24px rgba(0,0,0,0.08);
  --shadow-lg: 0 12px 48px rgba(0,0,0,0.12);
  --transition: all 0.3s ease;
}

html { scroll-behavior: smooth; }

body {
  font-family: 'Noto Sans SC', 'PingFang SC', 'Microsoft YaHei', sans-serif;
  color: var(--text);
  background: var(--bg);
  line-height: 1.7;
  -webkit-font-smoothing: antialiased;
}

a { text-decoration: none; color: inherit; }
img { max-width: 100%; display: block; }

.container {
  max-width: 1180px;
  margin: 0 auto;
  padding: 0 24px;
}

/* ============================
   按钮
   ============================ */
.btn-primary {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  background: var(--primary);
  color: #fff;
  padding: 13px 32px;
  border-radius: 50px;
  font-weight: 600;
  font-size: 0.95rem;
  transition: var(--transition);
  border: 2px solid transparent;
  cursor: pointer;
}
.btn-primary:hover {
  background: var(--primary-dark);
  transform: translateY(-2px);
  box-shadow: 0 8px 24px rgba(26,86,219,0.3);
}

.btn-outline {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  background: transparent;
  color: #fff;
  padding: 12px 32px;
  border-radius: 50px;
  font-weight: 600;
  font-size: 0.95rem;
  transition: var(--transition);
  border: 2px solid rgba(255,255,255,0.6);
  cursor: pointer;
}
.btn-outline:hover {
  background: rgba(255,255,255,0.15);
  border-color: #fff;
}

/* ============================
   导航
   ============================ */
.navbar {
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: 1000;
  background: rgba(255,255,255,0.95);
  backdrop-filter: blur(16px);
  border-bottom: 1px solid var(--border);
  transition: var(--transition);
}
.navbar.scrolled {
  box-shadow: var(--shadow);
}

.nav-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 68px;
}

.logo {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 1.3rem;
  font-weight: 700;
  color: var(--dark);
}
.logo-icon {
  font-size: 1.5rem;
  color: var(--primary);
}
.logo-text em {
  font-style: normal;
  color: var(--primary);
}

.nav-links {
  display: flex;
  align-items: center;
  gap: 8px;
}
.nav-links a {
  padding: 8px 16px;
  font-size: 0.95rem;
  font-weight: 500;
  color: var(--text-muted);
  border-radius: 8px;
  transition: var(--transition);
}
.nav-links a:hover, .nav-links a.active {
  color: var(--primary);
  background: var(--primary-light);
}
.btn-nav {
  background: var(--primary) !important;
  color: #fff !important;
  border-radius: 50px !important;
  padding: 8px 20px !important;
}
.btn-nav:hover {
  background: var(--primary-dark) !important;
  color: #fff !important;
}

.hamburger {
  display: none;
  flex-direction: column;
  gap: 5px;
  background: none;
  border: none;
  cursor: pointer;
  padding: 4px;
}
.hamburger span {
  display: block;
  width: 24px;
  height: 2px;
  background: var(--text);
  border-radius: 2px;
  transition: var(--transition);
}

.mobile-menu {
  display: none;
  flex-direction: column;
  padding: 12px 24px 20px;
  border-top: 1px solid var(--border);
}
.mobile-menu a {
  padding: 12px 0;
  font-weight: 500;
  color: var(--text);
  border-bottom: 1px solid var(--border);
  transition: var(--transition);
}
.mobile-menu a:last-child { border-bottom: none; }
.mobile-menu a:hover { color: var(--primary); }
.mobile-menu.open { display: flex; }

/* ============================
   Hero
   ============================ */
.hero {
  position: relative;
  min-height: 100vh;
  display: flex;
  align-items: center;
  overflow: hidden;
  background: var(--dark);
  padding-top: 68px;
}

.hero-bg {
  position: absolute;
  inset: 0;
  background:
    radial-gradient(ellipse 80% 60% at 70% 40%, rgba(26,86,219,0.35) 0%, transparent 70%),
    radial-gradient(ellipse 50% 50% at 20% 80%, rgba(245,158,11,0.15) 0%, transparent 60%),
    linear-gradient(135deg, #0f1729 0%, #1a2540 50%, #0f1729 100%);
}

/* 装饰格线 */
.hero-bg::after {
  content: '';
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(rgba(255,255,255,0.03) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255,255,255,0.03) 1px, transparent 1px);
  background-size: 60px 60px;
}

.hero-content {
  position: relative;
  z-index: 2;
  max-width: 720px;
  padding: 80px 24px;
}

.hero-badge {
  display: inline-block;
  background: rgba(26,86,219,0.2);
  border: 1px solid rgba(26,86,219,0.4);
  color: #93c5fd;
  font-size: 0.85rem;
  font-weight: 500;
  padding: 6px 16px;
  border-radius: 50px;
  margin-bottom: 24px;
  letter-spacing: 0.05em;
}

.hero-title {
  font-size: clamp(2.2rem, 5vw, 3.6rem);
  font-weight: 700;
  line-height: 1.25;
  color: #fff;
  margin-bottom: 20px;
}
.hero-title span {
  background: linear-gradient(135deg, #60a5fa, #a78bfa);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.hero-desc {
  font-size: 1.05rem;
  color: rgba(255,255,255,0.65);
  margin-bottom: 36px;
  line-height: 1.8;
}

.hero-btns {
  display: flex;
  gap: 16px;
  flex-wrap: wrap;
  margin-bottom: 60px;
}

.hero-stats {
  display: flex;
  align-items: center;
  gap: 32px;
  flex-wrap: wrap;
}
.stat-item {
  display: flex;
  flex-direction: column;
  gap: 4px;
}
.stat-num {
  font-size: 2rem;
  font-weight: 700;
  color: #fff;
  line-height: 1;
}
.stat-num i {
  font-style: normal;
  font-size: 1.1rem;
  color: var(--accent);
}
.stat-label {
  font-size: 0.85rem;
  color: rgba(255,255,255,0.5);
}
.stat-divider {
  width: 1px;
  height: 40px;
  background: rgba(255,255,255,0.15);
}

.hero-scroll {
  position: absolute;
  bottom: 32px;
  left: 50%;
  transform: translateX(-50%);
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 8px;
  color: rgba(255,255,255,0.4);
  font-size: 0.8rem;
  z-index: 2;
}
.scroll-arrow {
  width: 20px;
  height: 20px;
  border-right: 2px solid rgba(255,255,255,0.3);
  border-bottom: 2px solid rgba(255,255,255,0.3);
  transform: rotate(45deg);
  animation: bounce 1.5s infinite;
}
@keyframes bounce {
  0%, 100% { transform: rotate(45deg) translateY(0); }
  50% { transform: rotate(45deg) translateY(6px); }
}

/* ============================
   通用 Section Header
   ============================ */
.section-header {
  text-align: center;
  margin-bottom: 56px;
}
.section-header h2 {
  font-size: clamp(1.6rem, 3vw, 2.2rem);
  font-weight: 700;
  color: var(--dark);
  margin: 10px 0 14px;
}
.section-header p {
  color: var(--text-muted);
  font-size: 1rem;
  max-width: 480px;
  margin: 0 auto;
}
.section-header.light h2 { color: #fff; }
.section-header.light p { color: rgba(255,255,255,0.65); }

.section-tag {
  display: inline-block;
  background: var(--primary-light);
  color: var(--primary);
  font-size: 0.82rem;
  font-weight: 600;
  padding: 4px 14px;
  border-radius: 50px;
  letter-spacing: 0.05em;
  text-transform: uppercase;
}

/* ============================
   服务区域
   ============================ */
.services {
  padding: 100px 0;
  background: var(--bg);
}

.services-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: 28px;
}

.service-card {
  background: #fff;
  border-radius: 20px;
  padding: 40px 32px;
  border: 1px solid var(--border);
  transition: var(--transition);
  position: relative;
  overflow: hidden;
}
.service-card::before {
  content: '';
  position: absolute;
  top: 0; left: 0; right: 0;
  height: 4px;
  background: linear-gradient(90deg, var(--primary), #60a5fa);
  opacity: 0;
  transition: var(--transition);
}
.service-card:hover {
  transform: translateY(-6px);
  box-shadow: var(--shadow-lg);
  border-color: transparent;
}
.service-card:hover::before { opacity: 1; }

.service-card.featured {
  border-color: var(--primary);
  box-shadow: 0 0 0 1px var(--primary), var(--shadow);
}
.service-card.featured::before { opacity: 1; }

.featured-badge {
  position: absolute;
  top: 20px; right: 20px;
  background: var(--accent);
  color: #fff;
  font-size: 0.75rem;
  font-weight: 700;
  padding: 4px 12px;
  border-radius: 50px;
}

.service-icon {
  font-size: 2.8rem;
  margin-bottom: 20px;
  display: block;
}

.service-card h3 {
  font-size: 1.25rem;
  font-weight: 700;
  margin-bottom: 12px;
  color: var(--dark);
}
.service-card p {
  color: var(--text-muted);
  font-size: 0.95rem;
  line-height: 1.7;
  margin-bottom: 20px;
}
.service-features {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 8px;
}
.service-features li {
  font-size: 0.9rem;
  color: var(--text);
  font-weight: 500;
}

/* ============================
   流程区域
   ============================ */
.process {
  padding: 100px 0;
  background: linear-gradient(135deg, #1a2540 0%, #0f1729 100%);
}

.process-steps {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 0;
  flex-wrap: wrap;
}

.process-step {
  background: rgba(255,255,255,0.06);
  border: 1px solid rgba(255,255,255,0.1);
  border-radius: 20px;
  padding: 36px 28px;
  text-align: center;
  width: 200px;
  position: relative;
  transition: var(--transition);
}
.process-step:hover {
  background: rgba(255,255,255,0.1);
  transform: translateY(-4px);
}

.step-num {
  position: absolute;
  top: -14px;
  left: 50%;
  transform: translateX(-50%);
  background: var(--primary);
  color: #fff;
  font-size: 0.75rem;
  font-weight: 700;
  padding: 3px 12px;
  border-radius: 50px;
}
.step-icon {
  font-size: 2.4rem;
  margin-bottom: 12px;
}
.process-step h4 {
  color: #fff;
  font-size: 1rem;
  font-weight: 600;
  margin-bottom: 8px;
}
.process-step p {
  color: rgba(255,255,255,0.5);
  font-size: 0.85rem;
  line-height: 1.6;
}

.process-arrow {
  color: rgba(255,255,255,0.25);
  font-size: 1.8rem;
  padding: 0 12px;
  flex-shrink: 0;
}

/* ============================
   优势区域
   ============================ */
.advantages {
  padding: 100px 0;
  background: #fff;
}

.adv-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
  gap: 28px;
}

.adv-card {
  padding: 36px 28px;
  border-radius: 20px;
  background: var(--bg);
  border: 1px solid var(--border);
  transition: var(--transition);
  text-align: center;
}
.adv-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow);
  background: #fff;
}

.adv-icon {
  font-size: 2.4rem;
  margin-bottom: 16px;
  display: block;
}
.adv-card h4 {
  font-size: 1.1rem;
  font-weight: 700;
  color: var(--dark);
  margin-bottom: 10px;
}
.adv-card p {
  font-size: 0.9rem;
  color: var(--text-muted);
  line-height: 1.7;
}

/* ============================
   企业微信
   ============================ */
.wechat-section {
  padding: 100px 0;
  background: var(--bg);
}

.wechat-card {
  background: #fff;
  border-radius: 28px;
  padding: 64px;
  display: flex;
  gap: 64px;
  align-items: center;
  box-shadow: var(--shadow-lg);
  border: 1px solid var(--border);
}

.wechat-left {
  flex: 1;
}
.wechat-left .section-tag {
  margin-bottom: 14px;
  display: block;
}
.wechat-left h2 {
  font-size: 2rem;
  font-weight: 700;
  color: var(--dark);
  margin-bottom: 16px;
}
.wechat-left p {
  color: var(--text-muted);
  font-size: 0.98rem;
  line-height: 1.8;
  margin-bottom: 28px;
}

.wechat-benefits {
  display: flex;
  gap: 20px;
  flex-wrap: wrap;
  margin-bottom: 32px;
}
.benefit-item {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 0.9rem;
  font-weight: 500;
  color: var(--text);
}
.benefit-icon {
  font-size: 1.2rem;
}

.wechat-right {
  flex-shrink: 0;
  display: flex;
  flex-direction: column;
  align-items: center;
}

.qr-wrapper {
  text-align: center;
}

.qr-placeholder {
  width: 200px;
  height: 200px;
  border: 2px dashed var(--border);
  border-radius: 16px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--bg);
  position: relative;
  overflow: hidden;
}

.qr-inner {
  text-align: center;
  padding: 12px;
}
.qr-logo {
  width: 48px;
  height: 48px;
  background: #07c160;
  color: #fff;
  border-radius: 12px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 0.85rem;
  font-weight: 700;
  margin: 0 auto 10px;
}
.qr-inner p {
  font-size: 0.85rem;
  font-weight: 600;
  color: var(--dark);
  margin-bottom: 4px;
}
.qr-inner span {
  font-size: 0.75rem;
  color: var(--text-muted);
}

.qr-tip {
  margin-top: 14px;
  font-size: 0.88rem;
  color: var(--text-muted);
  font-weight: 500;
}

/* ============================
   页脚
   ============================ */
.footer {
  background: var(--dark);
  padding-top: 64px;
}
.footer-inner {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr;
  gap: 48px;
  padding-bottom: 48px;
}

.footer-brand .logo {
  color: #fff;
  margin-bottom: 16px;
}
.footer-brand .logo-icon { color: #60a5fa; }
.footer-brand .logo-text em { color: #60a5fa; }
.footer-brand p {
  color: rgba(255,255,255,0.45);
  font-size: 0.9rem;
  line-height: 1.8;
  max-width: 280px;
}

.footer-links h5,
.footer-contact h5 {
  color: #fff;
  font-size: 0.95rem;
  font-weight: 600;
  margin-bottom: 20px;
}
.footer-links {
  display: flex;
  flex-direction: column;
  gap: 12px;
}
.footer-links a {
  color: rgba(255,255,255,0.45);
  font-size: 0.9rem;
  transition: var(--transition);
}
.footer-links a:hover { color: #60a5fa; }

.footer-contact {
  display: flex;
  flex-direction: column;
  gap: 4px;
}
.footer-contact p {
  color: rgba(255,255,255,0.45);
  font-size: 0.9rem;
  line-height: 1.9;
}

.footer-bottom {
  border-top: 1px solid rgba(255,255,255,0.08);
  padding: 20px 0;
}
.footer-bottom p {
  text-align: center;
  color: rgba(255,255,255,0.3);
  font-size: 0.82rem;
}

/* ============================
   关于我们页
   ============================ */
.page-hero {
  padding: 140px 24px 80px;
  background: linear-gradient(135deg, #0f1729 0%, #1a2540 100%);
  text-align: center;
  position: relative;
  overflow: hidden;
}
.page-hero::before {
  content: '';
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(rgba(255,255,255,0.03) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255,255,255,0.03) 1px, transparent 1px);
  background-size: 60px 60px;
}
.page-hero .section-tag { margin-bottom: 14px; display: inline-block; }
.page-hero h1 {
  font-size: clamp(1.8rem, 4vw, 2.8rem);
  font-weight: 700;
  color: #fff;
  margin-bottom: 16px;
  position: relative;
}
.page-hero p {
  color: rgba(255,255,255,0.6);
  max-width: 520px;
  margin: 0 auto;
  line-height: 1.8;
  position: relative;
}

.about-section {
  padding: 100px 0;
  background: #fff;
}
.about-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 64px;
  align-items: center;
}
.about-text h2 {
  font-size: 1.8rem;
  font-weight: 700;
  color: var(--dark);
  margin-bottom: 20px;
}
.about-text p {
  color: var(--text-muted);
  line-height: 1.9;
  margin-bottom: 20px;
}
.about-highlights {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 20px;
  margin-top: 32px;
}
.highlight-item {
  padding: 20px;
  background: var(--bg);
  border-radius: 12px;
  border: 1px solid var(--border);
}
.highlight-item strong {
  display: block;
  font-size: 1.6rem;
  font-weight: 700;
  color: var(--primary);
  margin-bottom: 4px;
}
.highlight-item span {
  font-size: 0.85rem;
  color: var(--text-muted);
}

.about-visual {
  background: linear-gradient(135deg, #1a56db 0%, #4f46e5 100%);
  border-radius: 28px;
  padding: 56px 40px;
  color: #fff;
  position: relative;
  overflow: hidden;
}
.about-visual::before {
  content: '';
  position: absolute;
  top: -40px; right: -40px;
  width: 200px; height: 200px;
  border-radius: 50%;
  background: rgba(255,255,255,0.07);
}
.about-visual::after {
  content: '';
  position: absolute;
  bottom: -60px; left: -30px;
  width: 240px; height: 240px;
  border-radius: 50%;
  background: rgba(255,255,255,0.05);
}
.about-visual-title {
  font-size: 1.4rem;
  font-weight: 700;
  margin-bottom: 8px;
  position: relative;
}
.about-visual-sub {
  color: rgba(255,255,255,0.65);
  font-size: 0.9rem;
  margin-bottom: 32px;
  position: relative;
}
.mission-items {
  display: flex;
  flex-direction: column;
  gap: 20px;
  position: relative;
}
.mission-item {
  display: flex;
  gap: 16px;
  align-items: flex-start;
}
.mission-icon {
  width: 40px;
  height: 40px;
  border-radius: 10px;
  background: rgba(255,255,255,0.12);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.2rem;
  flex-shrink: 0;
}
.mission-item h4 {
  font-size: 0.95rem;
  font-weight: 600;
  margin-bottom: 4px;
}
.mission-item p {
  font-size: 0.85rem;
  color: rgba(255,255,255,0.6);
  line-height: 1.6;
}

.team-section {
  padding: 100px 0;
  background: var(--bg);
}
.team-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: 28px;
}
.team-card {
  background: #fff;
  border-radius: 20px;
  padding: 36px 24px;
  text-align: center;
  border: 1px solid var(--border);
  transition: var(--transition);
}
.team-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow);
}
.team-avatar {
  width: 80px;
  height: 80px;
  border-radius: 50%;
  background: linear-gradient(135deg, var(--primary), #4f46e5);
  margin: 0 auto 16px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 2rem;
  color: #fff;
}
.team-card h4 {
  font-size: 1rem;
  font-weight: 700;
  color: var(--dark);
  margin-bottom: 4px;
}
.team-card .role {
  font-size: 0.85rem;
  color: var(--primary);
  font-weight: 500;
  margin-bottom: 12px;
}
.team-card p {
  font-size: 0.85rem;
  color: var(--text-muted);
  line-height: 1.6;
}

/* ============================
   行业资讯页
   ============================ */
.news-section {
  padding: 80px 0 100px;
  background: var(--bg);
}
.news-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(340px, 1fr));
  gap: 28px;
}
.news-card {
  background: #fff;
  border-radius: 20px;
  overflow: hidden;
  border: 1px solid var(--border);
  transition: var(--transition);
}
.news-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-lg);
  border-color: transparent;
}
.news-img {
  height: 180px;
  background: linear-gradient(135deg, #1a56db 0%, #4f46e5 100%);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 3rem;
  position: relative;
  overflow: hidden;
}
.news-img::after {
  content: '';
  position: absolute;
  bottom: 0; left: 0; right: 0;
  height: 40%;
  background: linear-gradient(to top, rgba(0,0,0,0.3), transparent);
}
.news-img.bg2 { background: linear-gradient(135deg, #059669, #0d9488); }
.news-img.bg3 { background: linear-gradient(135deg, #7c3aed, #4f46e5); }
.news-img.bg4 { background: linear-gradient(135deg, #dc2626, #e11d48); }
.news-img.bg5 { background: linear-gradient(135deg, #d97706, #f59e0b); }
.news-img.bg6 { background: linear-gradient(135deg, #0369a1, #0ea5e9); }

.news-body {
  padding: 24px;
}
.news-meta {
  display: flex;
  align-items: center;
  gap: 12px;
  margin-bottom: 12px;
}
.news-cat {
  font-size: 0.78rem;
  font-weight: 600;
  color: var(--primary);
  background: var(--primary-light);
  padding: 3px 10px;
  border-radius: 50px;
}
.news-date {
  font-size: 0.8rem;
  color: var(--text-muted);
}
.news-card h3 {
  font-size: 1rem;
  font-weight: 700;
  color: var(--dark);
  margin-bottom: 10px;
  line-height: 1.5;
}
.news-card p {
  font-size: 0.88rem;
  color: var(--text-muted);
  line-height: 1.7;
  margin-bottom: 18px;
  display: -webkit-box;
  -webkit-line-clamp: 3;
  -webkit-box-orient: vertical;
  overflow: hidden;
}
.news-link {
  font-size: 0.88rem;
  font-weight: 600;
  color: var(--primary);
  display: flex;
  align-items: center;
  gap: 4px;
  transition: var(--transition);
}
.news-link:hover { gap: 8px; }

/* ============================
   响应式
   ============================ */
@media (max-width: 900px) {
  .about-grid { grid-template-columns: 1fr; }
  .wechat-card { flex-direction: column; padding: 40px 28px; gap: 40px; }
  .footer-inner { grid-template-columns: 1fr 1fr; }
  .footer-brand { grid-column: 1 / -1; }
}

@media (max-width: 700px) {
  .nav-links { display: none; }
  .hamburger { display: flex; }
  .process-steps { flex-direction: column; gap: 16px; }
  .process-arrow { transform: rotate(90deg); }
  .footer-inner { grid-template-columns: 1fr; }
  .about-highlights { grid-template-columns: 1fr; }
  .wechat-benefits { flex-direction: column; }
}