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

html {
  scroll-behavior: smooth;
  scroll-padding-top: 56px;
}

body {
  font-family: "PingFang SC", "Microsoft YaHei", "Helvetica Neue", Arial, sans-serif;
  font-size: 16px;
  line-height: 1.8;
  color: #333;
  background: #fff;
  -webkit-font-smoothing: antialiased;
}

a {
  color: inherit;
  text-decoration: none;
}

ul {
  list-style: none;
}

img {
  max-width: 100%;
  display: block;
}

/* ===== 顶部 Header ===== */
.site-header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 200;
  background: #fff;
  border-bottom: 1px solid #eee;
}

.header-inner {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 40px;
  height: 64px;
  display: flex;
  align-items: center;
}

.logo {
  display: flex;
  align-items: baseline;
  gap: 6px;
}

.logo-en {
  font-size: 22px;
  font-weight: 700;
  color: #FFBBC6;
  letter-spacing: -0.5px;
}

.logo-cn {
  font-size: 18px;
  font-weight: 500;
  color: #FFBBC6;
}

/* ===== Hero 横幅 ===== */
.hero {
  position: relative;
  margin-top: 64px;
  height: 480px;
  background: #8a4a5a url("/images/hero.png") center / cover no-repeat;
  display: flex;
  align-items: center;
  overflow: hidden;
  background-position: bottom;
}

.hero-overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(
    135deg,
    rgba(255, 187, 198, 0.55) 0%,
    rgba(220, 120, 140, 0.35) 100%
  );
}

.hero-content {
  position: relative;
  z-index: 1;
  max-width: 1200px;
  width: 100%;
  margin: 0 auto;
  padding: 0 40px;
}

.hero-title {
  font-size: 48px;
  font-weight: 300;
  color: #fff;
  letter-spacing: 4px;
}

.hero-subtitle {
  margin-top: 16px;
  font-size: 20px;
  font-weight: 400;
  color: rgba(255, 255, 255, 0.9);
  letter-spacing: 2px;
}

/* ===== 二级导航 ===== */
.sub-nav {
  position: sticky;
  top: 64px;
  z-index: 100;
  background: #fff;
  border-bottom: 1px solid #e8e8e8;
  box-shadow: 0 1px 4px rgba(0, 0, 0, 0.04);
}

.sub-nav-list {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 40px;
  display: flex;
  justify-content: center;
  gap: 0;
}

.sub-nav-list li {
  flex: 0 0 auto;
}

.sub-nav-link {
  display: block;
  padding: 18px 28px;
  font-size: 15px;
  color: #555;
  position: relative;
  transition: color 0.2s;
  white-space: nowrap;
}

.sub-nav-link:hover {
  color: #FFBBC6;
}

.sub-nav-link.active {
  color: #FFBBC6;
  font-weight: 500;
}

.sub-nav-link.active::after {
  content: "";
  position: absolute;
  bottom: 0;
  left: 28px;
  right: 28px;
  height: 3px;
  background: #FFBBC6;
  border-radius: 2px 2px 0 0;
}

/* ===== 主内容区 ===== */
.main-content {
  max-width: 900px;
  margin: 0 auto;
  padding: 0 40px;
}

.content-section {
  padding: 72px 0;
  border-bottom: 1px solid #f0f0f0;
}

.content-section:last-child {
  border-bottom: none;
}

.section-title {
  text-align: center;
  font-size: 32px;
  font-weight: 600;
  color: #222;
  margin-bottom: 40px;
  letter-spacing: 2px;
}

.section-body {
  color: #444;
}

.section-body > p {
  margin-bottom: 20px;
  text-align: justify;
}

.section-body > p:last-child {
  margin-bottom: 0;
}

/* ===== 愿景及使命 ===== */
.highlight-block {
  margin-bottom: 36px;
}

.highlight-block:last-child {
  margin-bottom: 0;
}

.highlight-block h3 {
  font-size: 20px;
  color: #FFBBC6;
  margin-bottom: 12px;
  font-weight: 600;
}

.value-list {
  padding-left: 0;
}

.value-list li {
  margin-bottom: 14px;
  padding-left: 0;
  line-height: 1.9;
}

.value-list li:last-child {
  margin-bottom: 0;
}

/* ===== 业务架构 ===== */
.business-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 24px;
  margin-top: 32px;
}

.business-card {
  padding: 28px;
  background: #f8f9fb;
  border-radius: 4px;
  border-left: 3px solid #FFBBC6;
}

.business-card h3 {
  font-size: 18px;
  color: #222;
  margin-bottom: 10px;
}

.business-card p {
  font-size: 15px;
  color: #666;
  line-height: 1.8;
}

/* ===== 企业文化 ===== */
.culture-items {
  margin-top: 32px;
}

.culture-item {
  display: flex;
  gap: 24px;
  align-items: flex-start;
  padding: 28px 0;
  border-bottom: 1px solid #f0f0f0;
}

.culture-item:last-child {
  border-bottom: none;
  padding-bottom: 0;
}

.culture-icon {
  flex-shrink: 0;
  width: 48px;
  height: 48px;
  background: #FFBBC6;
  color: #333;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 14px;
  font-weight: 700;
}

.culture-item h3 {
  font-size: 18px;
  color: #222;
  margin-bottom: 8px;
}

.culture-item p {
  color: #666;
  font-size: 15px;
}

/* ===== 办公地点 ===== */
.location-list {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 24px;
  margin-bottom: 32px;
}

.location-card {
  padding: 28px;
  background: #f8f9fb;
  border-radius: 4px;
}

.location-card h3 {
  font-size: 18px;
  color: #FFBBC6;
  margin-bottom: 16px;
}

.location-address {
  font-size: 15px;
  color: #444;
  margin-bottom: 8px;
}

.location-contact {
  font-size: 14px;
  color: #888;
  margin-bottom: 4px;
}

.location-contact a {
  color: #FFBBC6;
}

.location-contact a:hover {
  text-decoration: underline;
}

.location-note {
  font-size: 14px;
  color: #999;
  text-align: center;
}

/* ===== 页脚 ===== */
.site-footer {
  background: #2c2c2c;
  color: #aaa;
  padding: 40px 0;
  margin-top: 40px;
}

.footer-inner {
  max-width: 900px;
  margin: 0 auto;
  padding: 0 40px;
  text-align: center;
}

.footer-copy {
  font-size: 13px;
  margin-bottom: 10px;
}

.footer-links {
  margin-bottom: 16px;
}

.footer-links a {
  color: #ccc;
  font-size: 14px;
  transition: color 0.2s;
}

.footer-links a:hover {
  color: #fff;
}

.footer-links .divider {
  margin: 0 12px;
  color: #555;
}

.footer-icp {
  font-size: 14px;
  margin-top: 4px;
}

.footer-icp a {
  color: #bbb;
  transition: color 0.2s;
  display: inline-block;
  padding: 4px 0;
}

.footer-icp a:hover {
  color: #ccc;
}

/* ===== 响应式 ===== */
@media (max-width: 768px) {
  .header-inner,
  .hero-content,
  .sub-nav-list,
  .main-content,
  .footer-inner {
    padding-left: 20px;
    padding-right: 20px;
  }

  .hero {
    height: 280px;
  }

  .hero-title {
    font-size: 32px;
  }

  .hero-subtitle {
    font-size: 16px;
    letter-spacing: 1px;
  }

  .sub-nav-list {
    overflow-x: auto;
    justify-content: flex-start;
    -webkit-overflow-scrolling: touch;
    scrollbar-width: none;
  }

  .sub-nav-list::-webkit-scrollbar {
    display: none;
  }

  .sub-nav-link {
    padding: 16px 18px;
    font-size: 14px;
  }

  .sub-nav-link.active::after {
    left: 18px;
    right: 18px;
  }

  .section-title {
    font-size: 26px;
  }

  .content-section {
    padding: 48px 0;
  }

  .business-grid,
  .location-list {
    grid-template-columns: 1fr;
  }
}