/* 青岛源宇财务管理有限公司 官网 V1 样式 */
:root {
  --primary: #1e5aa8;
  --primary-dark: #16406f;
  --ink: #1f2937;
  --ink-soft: #4b5563;
  --line: #e5e7eb;
  --bg-soft: #f6f8fb;
  --bg-hero: linear-gradient(180deg, #eef4fb 0%, #ffffff 100%);
}
* { margin: 0; padding: 0; box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; }
body {
  font-family: -apple-system, BlinkMacSystemFont, "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", "Noto Sans SC", sans-serif;
  color: var(--ink);
  background: #ffffff;
  line-height: 1.75;
  font-size: 16px;
}
a { color: var(--primary); text-decoration: none; }
a:hover { text-decoration: underline; }
img { max-width: 100%; display: block; }

.container { max-width: 1080px; margin: 0 auto; padding: 0 20px; }

/* 顶部导航 */
.site-header { background: #ffffff; border-bottom: 1px solid var(--line); }
.header-inner { display: flex; align-items: center; justify-content: space-between; height: 68px; }
.brand { display: flex; align-items: center; gap: 10px; }
.brand-mark {
  width: 38px; height: 38px; border-radius: 8px;
  background: var(--primary); color: #ffffff;
  display: flex; align-items: center; justify-content: center;
  font-size: 18px; font-weight: 700; letter-spacing: 1px;
  flex-shrink: 0;
}
.brand-name { font-size: 18px; font-weight: 600; color: var(--ink); white-space: nowrap; }
.main-nav { display: flex; gap: 6px; }
.main-nav a {
  padding: 8px 16px; border-radius: 6px; color: var(--ink-soft); font-size: 15px;
}
.main-nav a:hover { color: var(--primary); background: var(--bg-soft); text-decoration: none; }
.main-nav a.active { color: var(--primary); font-weight: 600; background: #eef4fb; }
.nav-toggle {
  display: none; border: 1px solid var(--line); background: #ffffff;
  border-radius: 6px; padding: 8px 12px; font-size: 15px; color: var(--ink-soft);
  cursor: pointer;
}

/* 主视觉 */
.hero { background: var(--bg-hero); padding: 72px 0 64px; text-align: center; }
.hero h1 {
  font-size: 34px; font-weight: 700; color: var(--ink);
  letter-spacing: 1px; margin-bottom: 14px;
}
.hero p { font-size: 18px; color: var(--ink-soft); max-width: 640px; margin: 0 auto; }
.hero-tags { margin-top: 22px; display: flex; flex-wrap: wrap; gap: 10px; justify-content: center; }
.hero-tags span {
  font-size: 13px; color: var(--primary-dark); background: #ffffff;
  border: 1px solid #d4e2f3; border-radius: 999px; padding: 5px 14px;
}

/* 通用区块 */
.section { padding: 64px 0; }
.section.alt { background: var(--bg-soft); }
.section-head { text-align: center; margin-bottom: 40px; }
.section-head h2 { font-size: 26px; font-weight: 700; color: var(--ink); margin-bottom: 10px; }
.section-head p { color: var(--ink-soft); font-size: 15px; }

/* 服务卡片 */
.services-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 18px; }
.service-card {
  background: #ffffff; border: 1px solid var(--line); border-radius: 10px;
  padding: 26px 22px; transition: border-color 0.2s;
}
.service-card:hover { border-color: var(--primary); }
.service-card h3 { font-size: 17px; font-weight: 600; color: var(--ink); margin-bottom: 8px; }
.service-card p { font-size: 14px; color: var(--ink-soft); line-height: 1.7; }
.service-card .card-line {
  width: 26px; height: 3px; background: var(--primary); border-radius: 2px; margin-bottom: 14px;
}

/* 公司简介 */
.intro-flex { display: flex; gap: 48px; align-items: flex-start; }
.intro-text { flex: 1; }
.intro-text h2 { font-size: 24px; font-weight: 700; margin-bottom: 18px; }
.intro-text p { color: var(--ink-soft); margin-bottom: 14px; font-size: 15px; text-align: justify; }
.intro-points { flex-shrink: 0; width: 300px; }
.intro-points li {
  list-style: none; background: #ffffff; border: 1px solid var(--line);
  border-radius: 10px; padding: 16px 18px; margin-bottom: 12px;
  font-size: 14px; color: var(--ink-soft);
}
.intro-points li strong { color: var(--ink); display: block; margin-bottom: 4px; font-size: 15px; }

/* 服务详情页 */
.service-block {
  background: #ffffff; border: 1px solid var(--line); border-radius: 12px;
  padding: 34px 32px; margin-bottom: 22px;
}
.service-block h2 { font-size: 20px; font-weight: 700; margin-bottom: 14px; color: var(--ink); }
.service-block p { color: var(--ink-soft); font-size: 15px; margin-bottom: 10px; }
.service-block .svc-tags { margin-top: 14px; display: flex; flex-wrap: wrap; gap: 8px; }
.service-block .svc-tags span {
  font-size: 12px; color: var(--primary-dark); background: #eef4fb;
  border-radius: 4px; padding: 3px 10px;
}

/* 页面主标题区 */
.page-hero { background: var(--bg-hero); padding: 52px 0 44px; text-align: center; }
.page-hero h1 { font-size: 28px; font-weight: 700; margin-bottom: 10px; }
.page-hero p { color: var(--ink-soft); font-size: 15px; max-width: 560px; margin: 0 auto; }

/* 联系页 */
.contact-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 18px; margin-top: 36px; }
.contact-item {
  background: #ffffff; border: 1px solid var(--line); border-radius: 10px; padding: 28px;
}
.contact-item h3 { font-size: 15px; font-weight: 600; color: var(--ink-soft); margin-bottom: 10px; }
.contact-item p { font-size: 17px; color: var(--ink); font-weight: 600; }
.contact-note { margin-top: 28px; color: var(--ink-soft); font-size: 14px; text-align: center; }

/* 底部 */
.site-footer { background: #1c2b3a; color: #c4cdd8; padding: 44px 0 28px; margin-top: 40px; }
.footer-info { display: flex; justify-content: space-between; gap: 24px; flex-wrap: wrap; margin-bottom: 28px; }
.footer-info h4 { color: #ffffff; font-size: 17px; font-weight: 600; margin-bottom: 10px; }
.footer-info p { font-size: 14px; line-height: 1.9; }
.footer-links { font-size: 14px; }
.footer-links a { color: #c4cdd8; display: inline-block; margin-right: 18px; }
.footer-links a:hover { color: #ffffff; }
.footer-bottom {
  border-top: 1px solid rgba(255,255,255,0.12); padding-top: 20px;
  text-align: center; font-size: 13px; color: #8b98a8;
}
.footer-bottom a { color: #8b98a8; }
.footer-bottom a:hover { color: #ffffff; }

/* 响应式 */
@media (max-width: 900px) {
  .services-grid { grid-template-columns: repeat(2, 1fr); }
  .intro-flex { flex-direction: column; }
  .intro-points { width: 100%; }
}
@media (max-width: 640px) {
  .header-inner { height: auto; flex-wrap: wrap; padding: 12px 0; }
  .nav-toggle { display: block; }
  .main-nav {
    display: none !important; width: 100%; flex-direction: column; gap: 2px; margin-top: 10px;
  }
  .main-nav.open { display: flex !important; }
  .main-nav a { padding: 12px 8px; border-top: 1px solid var(--line); border-radius: 0; }
  .hero { padding: 48px 0 44px; }
  .hero h1 { font-size: 25px; }
  .hero p { font-size: 16px; }
  .services-grid { grid-template-columns: 1fr; }
  .contact-grid { grid-template-columns: 1fr; }
  .section { padding: 44px 0; }
  .service-block { padding: 24px 20px; }
}