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

html,
body {
  font-family: "Noto Sans HK", "Noto Sans SC", -apple-system, BlinkMacSystemFont,
    "Segoe UI", "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", sans-serif;
  color: #1c2a3a;
  background: #f6f4ef;
  line-height: 1.65;
  font-weight: 400;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

a {
  color: inherit;
  text-decoration: none;
  transition: color 0.2s ease;
}

a:hover {
  color: #b08a45;
}

/* ========== LOGO 区 ========== */
.site-header {
  display: flex;
  justify-content: center;
  align-items: center;
  padding: 130px 20px 110px;
  position: relative;
  background: url('hero-bg.jpg') center center / cover no-repeat;
  border-bottom: 1px solid rgba(26, 42, 74, 0.06);
  overflow: hidden;
}

.site-header::before {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(180deg,
    rgba(26, 42, 74, 0.62) 0%,
    rgba(26, 42, 74, 0.48) 100%);
  z-index: 1;
}

.site-header > * {
  position: relative;
  z-index: 2;
}

.brand-mark {
  display: flex;
  align-items: center;
  gap: 20px;
}

.brand-logo {
  width: 86px;
  height: 86px;
  border-radius: 50%;
  object-fit: cover;
  box-shadow: 0 8px 24px rgba(26, 42, 74, 0.08);
  background: #ffffff;
}

.brand-text {
  display: flex;
  flex-direction: column;
  line-height: 1.2;
}

.brand-name-cn {
  font-size: 22px;
  font-weight: 600;
  color: #ffffff;
  letter-spacing: 4px;
  text-shadow: 0 2px 12px rgba(0, 0, 0, 0.3);
}

.brand-name-en {
  font-size: 12px;
  font-weight: 500;
  color: rgba(255, 255, 255, 0.75);
  letter-spacing: 4px;
  margin-top: 4px;
  text-shadow: 0 1px 6px rgba(0, 0, 0, 0.3);
}

/* ========== 三栏并列 ========== */
.tri-section {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  max-width: 1180px;
  margin: 0 auto;
  padding: 80px 40px;
  gap: 28px;
}

.tri-card {
  position: relative;
  background: #ffffff;
  border: 1px solid rgba(26, 42, 74, 0.08);
  border-radius: 6px;
  padding: 44px 32px 38px;
  transition: all 0.3s ease;
  overflow: hidden;
}

.tri-card::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 3px;
  background: linear-gradient(90deg, #1a2a4a 0%, #b08a45 100%);
  transform: scaleX(0);
  transform-origin: left;
  transition: transform 0.35s ease;
}

.tri-card:hover {
  transform: translateY(-4px);
  box-shadow: 0 16px 40px rgba(26, 42, 74, 0.1);
  border-color: rgba(176, 138, 69, 0.3);
}

.tri-card:hover::before {
  transform: scaleX(1);
}


.tri-title {
  font-size: 18px;
  font-weight: 600;
  color: #1a2a4a;
  letter-spacing: 6px;
  margin-bottom: 18px;
}

.tri-divider {
  width: 36px;
  height: 2px;
  background: #b08a45;
  margin-bottom: 22px;
}

.tri-text-cn {
  font-size: 14px;
  color: #3a3a3a;
  margin-bottom: 10px;
  line-height: 1.75;
}

.tri-text-en {
  font-size: 13px;
  color: #8b8b8b;
  font-style: italic;
  line-height: 1.7;
}

/* ========== 公司简介 ========== */
.profile {
  background: #1a2a4a;
  color: #e8e8e8;
  padding: 90px 20px;
}

.profile-inner {
  max-width: 1100px;
  margin: 0 auto;
}

.profile-title {
  font-size: 28px;
  font-weight: 500;
  letter-spacing: 8px;
  color: #ffffff;
  text-align: center;
  margin-bottom: 18px;
}

.profile-title-sub {
  font-size: 14px;
  color: #b08a45;
  letter-spacing: 4px;
  font-weight: 400;
}

.profile-divider {
  width: 60px;
  height: 2px;
  background: #b08a45;
  margin: 0 auto 60px;
}

.profile-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 60px;
}

.profile-block-title {
  font-size: 16px;
  font-weight: 600;
  color: #b08a45;
  letter-spacing: 3px;
  margin-bottom: 20px;
  padding-bottom: 12px;
  border-bottom: 1px solid rgba(176, 138, 69, 0.3);
}

.profile-block p {
  font-size: 14.5px;
  line-height: 1.95;
  color: #d0d0d0;
}

/* ========== 分割线 ========== */
.section-break {
  height: 1px;
  background: linear-gradient(90deg,
      transparent 0%,
      rgba(26, 42, 74, 0.2) 50%,
      transparent 100%);
  max-width: 1100px;
  margin: 0 auto;
}

/* ========== Footer 联系方式 ========== */
.site-footer {
  padding: 80px 20px 50px;
  background: #f6f4ef;
}

.footer-title {
  text-align: center;
  font-size: 22px;
  font-weight: 500;
  letter-spacing: 8px;
  color: #1a2a4a;
  margin-bottom: 16px;
}

.footer-divider {
  width: 50px;
  height: 2px;
  background: #b08a45;
  margin: 0 auto 60px;
}

.contact-grid {
  max-width: 1100px;
  margin: 0 auto 50px;
  display: grid;
  grid-template-columns: 1.4fr 1fr 1fr;
  gap: 40px;
}

.contact-item {
  border-left: 2px solid #b08a45;
  padding-left: 22px;
}

.contact-label {
  font-size: 12px;
  color: #8b8b8b;
  letter-spacing: 4px;
  text-transform: uppercase;
  margin-bottom: 12px;
  font-weight: 500;
}

.contact-value {
  font-size: 15px;
  color: #2c3e50;
  line-height: 1.85;
}

.contact-value a {
  color: #1a2a4a;
  font-weight: 500;
}

.contact-value a:hover {
  color: #b08a45;
}

.copyright {
  text-align: center;
  font-size: 12px;
  color: #999;
  padding-top: 30px;
  border-top: 1px solid rgba(26, 42, 74, 0.08);
  letter-spacing: 1.5px;
}

/* ========== 响应式 ========== */
@media (max-width: 900px) {
  .tri-section {
    grid-template-columns: 1fr;
    padding: 50px 24px;
    gap: 20px;
  }

  .profile {
    padding: 60px 20px;
  }

  .profile-grid {
    grid-template-columns: 1fr;
    gap: 40px;
  }

  .contact-grid {
    grid-template-columns: 1fr;
    gap: 30px;
  }

  .site-header {
    padding: 50px 20px 36px;
  }

  .brand-name-cn {
    font-size: 18px;
    letter-spacing: 3px;
  }
}