/* ===================================
   汇豪树中心 - 全局样式
   设计风格：绿色生态+现代商务
   =================================== */

:root {
  --color-primary: #10b981;
  --color-primary-dark: #059669;
  --color-primary-light: #a7f3d0;
  --color-primary-bg: #ecfdf5;
  --color-text: #1e293b;
  --color-text-secondary: #64748b;
  --color-text-muted: #94a3b8;
  --color-bg: #ffffff;
  --color-bg-alt: #f8fafc;
  --color-border: #e2e8f0;
  --shadow-sm: 0 1px 3px rgba(0, 0, 0, 0.06);
  --shadow-md: 0 4px 12px rgba(0, 0, 0, 0.08);
  --shadow-lg: 0 8px 30px rgba(0, 0, 0, 0.1);
  --radius-sm: 6px;
  --radius-md: 10px;
  --radius-lg: 16px;
  --transition: 0.25s cubic-bezier(0.4, 0, 0.2, 1);
  --max-width: 1120px;
}

*,*::before,*::after { margin: 0; padding: 0; box-sizing: border-box; }

html { font-size: 16px; scroll-behavior: smooth; -webkit-font-smoothing: antialiased; }

body {
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC",
    "Hiragino Sans GB", "Microsoft YaHei", "Helvetica Neue", Helvetica, Arial, sans-serif;
  line-height: 1.7;
  color: var(--color-text);
  background: var(--color-bg);
}

a { text-decoration: none; color: inherit; transition: color var(--transition); }
a:hover { color: var(--color-primary); }
ul,ol { list-style: none; }
img { max-width: 100%; height: auto; display: block; }

.container { max-width: var(--max-width); margin: 0 auto; padding: 0 24px; }
.section { padding: 80px 0; }
.bg-light { background: var(--color-bg-alt); }

.section-title {
  font-size: 2rem; font-weight: 700; color: var(--color-text);
  margin-bottom: 48px; text-align: center; letter-spacing: -0.02em;
}
.section-title::after {
  content: ""; display: block; width: 48px; height: 3px;
  background: linear-gradient(90deg, var(--color-primary), var(--color-primary-dark));
  margin: 16px auto 0; border-radius: 2px;
}

.header {
  background: rgba(255, 255, 255, 0.92); backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--color-border); position: sticky; top: 0;
  z-index: 1000; transition: box-shadow var(--transition);
}
.header-top { display: flex; justify-content: space-between; align-items: center; padding: 16px 0; }
.logo a { font-size: 1.35rem; font-weight: 800; color: var(--color-text); }
.logo a:hover { color: var(--color-primary); }
.header-contact { display: flex; align-items: center; }
.phone-link {
  display: flex; align-items: center; gap: 8px; font-size: 1.15rem;
  font-weight: 600; color: var(--color-primary); padding: 8px 16px;
  border-radius: var(--radius-sm); transition: all var(--transition);
}
.phone-link:hover { color: var(--color-primary-dark); background: var(--color-primary-bg); }
.phone-icon { font-size: 1.25rem; }

.nav { border-top: 1px solid var(--color-border); }
.nav-list { display: flex; justify-content: center; gap: 8px; padding: 0; }
.nav-item a {
  display: block; padding: 12px 20px; font-size: 0.938rem;
  font-weight: 500; color: var(--color-text-secondary);
  border-radius: var(--radius-sm); transition: all var(--transition);
}
.nav-item a:hover,.nav-item.active a { color: var(--color-primary); background: var(--color-primary-bg); }

.mobile-menu-btn {
  display: none; flex-direction: column; gap: 5px; background: none;
  border: none; cursor: pointer; padding: 8px; border-radius: var(--radius-sm);
}
.mobile-menu-btn:hover { background: var(--color-bg-alt); }
.mobile-menu-btn span {
  display: block; width: 22px; height: 2px;
  background: var(--color-text); border-radius: 2px; transition: all var(--transition);
}

.banner {
  position: relative; min-height: 560px;
  background: linear-gradient(135deg, #064e3b 0%, #065f46 100%);
  display: flex; align-items: center; justify-content: center; color: #fff;
}
.banner-overlay {
  position: absolute; inset: 0;
  background: linear-gradient(135deg, rgba(6, 78, 59, 0.85), rgba(6, 95, 70, 0.75));
}
.banner-content {
  position: relative; z-index: 1; text-align: center;
  max-width: 720px; padding: 40px 24px;
}
.banner-title {
  font-size: 3.5rem; font-weight: 800; margin-bottom: 16px;
  letter-spacing: -0.03em; text-shadow: 0 2px 12px rgba(0, 0, 0, 0.3);
}
.banner-subtitle { font-size: 1.25rem; margin-bottom: 36px; opacity: 0.9; font-weight: 400; }
.banner-cta {
  display: inline-block; padding: 16px 40px; background: var(--color-primary);
  color: #fff; font-size: 1.1rem; font-weight: 600; border-radius: var(--radius-md);
  transition: all var(--transition); box-shadow: 0 4px 14px rgba(16, 185, 129, 0.4);
}
.banner-cta:hover {
  background: var(--color-primary-dark); color: #fff; transform: translateY(-2px);
  box-shadow: 0 6px 20px rgba(16, 185, 129, 0.5);
}

.highlights-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 24px; }
.highlight-item {
  text-align: center; padding: 32px 20px; background: var(--color-bg);
  border-radius: var(--radius-md); border: 1px solid var(--color-border);
  transition: all var(--transition);
}
.highlight-item:hover { transform: translateY(-4px); box-shadow: var(--shadow-lg); border-color: transparent; }
.highlight-title { font-size: 2.25rem; font-weight: 800; color: var(--color-primary); margin-bottom: 8px; }
.highlight-desc { font-size: 0.938rem; color: var(--color-text-secondary); }

.intro-content {
  font-size: 1.05rem; line-height: 1.9; color: var(--color-text-secondary);
  text-align: center; max-width: 800px; margin: 0 auto 36px;
}
.intro-features { display: grid; grid-template-columns: repeat(2, 1fr); gap: 16px; max-width: 700px; margin: 0 auto; }
.feature-item {
  font-size: 0.938rem; color: var(--color-text); padding: 16px 20px;
  background: var(--color-bg-alt); border-radius: var(--radius-sm);
  border: 1px solid var(--color-border); transition: all var(--transition);
}
.feature-item:hover { border-color: var(--color-primary); background: var(--color-primary-bg); }

.info-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 20px; }
.info-item {
  padding: 24px; background: var(--color-bg); border-radius: var(--radius-md);
  border: 1px solid var(--color-border); transition: all var(--transition);
}
.info-item:hover { box-shadow: var(--shadow-md); border-color: transparent; }
.info-label {
  display: block; font-size: 0.813rem; color: var(--color-text-muted);
  margin-bottom: 8px; text-transform: uppercase; letter-spacing: 0.05em; font-weight: 500;
}
.info-value { display: block; font-size: 1.1rem; font-weight: 700; color: var(--color-text); }

.info-list { display: grid; grid-template-columns: repeat(2, 1fr); gap: 20px; }
.info-row {
  display: flex; padding: 16px 20px; background: var(--color-bg);
  border-radius: var(--radius-sm); border: 1px solid var(--color-border);
}
.info-row .info-label {
  flex: 0 0 150px; font-weight: 600; color: var(--color-text-secondary);
  text-transform: none; font-size: 0.938rem;
}
.info-row .info-value { flex: 1; color: var(--color-text); font-size: 0.938rem; }

.rental-update { text-align: center; color: var(--color-text-muted); margin-bottom: 24px; font-size: 0.875rem; }
.rental-note { margin-top: 20px; text-align: center; color: var(--color-text-muted); font-size: 0.813rem; }

.page-header {
  background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-primary-dark) 100%);
  color: #fff; padding: 64px 0 48px; text-align: center;
}
.page-header h1 { font-size: 2.5rem; font-weight: 800; margin-bottom: 12px; }
.breadcrumb { font-size: 0.875rem; opacity: 0.85; }
.breadcrumb a { color: #fff; }
.breadcrumb a:hover { text-decoration: underline; opacity: 1; }

.gallery-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 20px; }
.gallery-item {
  border-radius: var(--radius-md); overflow: hidden; border: 1px solid var(--color-border);
  transition: all var(--transition); aspect-ratio: 4/3;
}
.gallery-item:hover { transform: translateY(-4px); box-shadow: var(--shadow-lg); border-color: transparent; }
.gallery-item img { width: 100%; height: 100%; object-fit: cover; transition: transform var(--transition); }
.gallery-item:hover img { transform: scale(1.05); }

.detail-gallery { display: grid; grid-template-columns: repeat(4, 1fr); gap: 16px; }
.detail-gallery-item {
  border-radius: var(--radius-sm); overflow: hidden; border: 1px solid var(--color-border);
  transition: all var(--transition); aspect-ratio: 1/1;
}
.detail-gallery-item:hover { transform: translateY(-3px); box-shadow: var(--shadow-md); border-color: transparent; }
.detail-gallery-item img { width: 100%; height: 100%; object-fit: cover; transition: transform var(--transition); }
.detail-gallery-item:hover img { transform: scale(1.08); }

.floorplan-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 24px; }
.floorplan-card {
  background: var(--color-bg); border-radius: var(--radius-md); overflow: hidden;
  border: 1px solid var(--color-border); transition: all var(--transition);
}
.floorplan-card:hover { transform: translateY(-4px); box-shadow: var(--shadow-lg); border-color: transparent; }
.floorplan-image {
  height: 220px; background: var(--color-bg-alt); display: flex;
  align-items: center; justify-content: center; overflow: hidden;
}
.floorplan-image img { width: 100%; height: 100%; object-fit: cover; }
.floorplan-content { padding: 24px; }
.floorplan-name { font-size: 1.25rem; font-weight: 700; color: var(--color-text); margin-bottom: 8px; }
.floorplan-area,.floorplan-layout { font-size: 0.875rem; color: var(--color-text-secondary); margin-bottom: 6px; }

.available-desc { text-align: center; color: var(--color-text-secondary); margin-bottom: 28px; }
.area-tags { display: flex; flex-wrap: wrap; gap: 12px; justify-content: center; }
.area-tag {
  padding: 10px 20px; background: var(--color-bg); border: 2px solid var(--color-primary);
  color: var(--color-primary); border-radius: var(--radius-sm); font-weight: 600;
  cursor: pointer; transition: all var(--transition); font-size: 0.938rem;
}
.area-tag:hover {
  background: var(--color-primary); color: #fff; transform: translateY(-2px);
  box-shadow: 0 4px 12px rgba(16, 185, 129, 0.3);
}

.surrounding-section h3 {
  font-size: 1.25rem; font-weight: 700; color: var(--color-text);
  margin: 32px 0 16px; position: relative; padding-left: 16px;
}
.surrounding-section h3::before {
  content: ""; position: absolute; left: 0; top: 50%; transform: translateY(-50%);
  width: 4px; height: 20px; background: var(--color-primary); border-radius: 2px;
}
.surrounding-section ul { display: grid; grid-template-columns: repeat(2, 1fr); gap: 12px; margin-bottom: 20px; }
.surrounding-section li {
  padding: 14px 16px; background: var(--color-bg); border-radius: var(--radius-sm);
  border: 1px solid var(--color-border); font-size: 0.938rem;
  color: var(--color-text-secondary); transition: all var(--transition);
}
.surrounding-section li:hover { border-color: var(--color-primary); }

.contact-card {
  max-width: 720px; margin: 0 auto; background: var(--color-bg);
  padding: 40px; border-radius: var(--radius-lg); border: 1px solid var(--color-border);
  box-shadow: var(--shadow-md);
}
.contact-title { font-size: 1.75rem; font-weight: 700; color: var(--color-text); margin-bottom: 32px; text-align: center; }
.contact-info { display: grid; gap: 24px; }
.contact-item { display: flex; gap: 16px; align-items: flex-start; }
.contact-icon { font-size: 1.75rem; flex-shrink: 0; }
.contact-label { font-size: 0.813rem; color: var(--color-text-muted); margin-bottom: 4px; }
.contact-phone { font-size: 1.5rem; font-weight: 700; color: var(--color-primary); }
.contact-phone:hover { color: var(--color-primary-dark); }
.contact-text { font-size: 1rem; color: var(--color-text); }

.map-container { border-radius: var(--radius-md); overflow: hidden; border: 1px solid var(--color-border); }

.transport-guide { max-width: 720px; margin: 0 auto; }
.transport-guide h3 {
  font-size: 1.25rem; font-weight: 700; color: var(--color-text);
  margin: 28px 0 16px; padding-left: 16px; position: relative;
}
.transport-guide h3::before {
  content: ""; position: absolute; left: 0; top: 50%; transform: translateY(-50%);
  width: 4px; height: 20px; background: var(--color-primary); border-radius: 2px;
}
.transport-guide ul { display: grid; gap: 12px; }
.transport-guide li {
  padding: 14px 16px; background: var(--color-bg); border-radius: var(--radius-sm);
  border: 1px solid var(--color-border); color: var(--color-text-secondary); font-size: 0.938rem;
}

.news-list { display: grid; gap: 20px; }
.news-item {
  background: var(--color-bg); border-radius: var(--radius-md); padding: 28px;
  border: 1px solid var(--color-border); transition: all var(--transition);
}
.news-item:hover { transform: translateY(-3px); box-shadow: var(--shadow-lg); border-color: transparent; }
.news-title { font-size: 1.15rem; font-weight: 700; color: var(--color-text); margin-bottom: 10px; }
.news-summary { font-size: 0.938rem; color: var(--color-text-secondary); margin-bottom: 12px; line-height: 1.7; }
.news-date { font-size: 0.813rem; color: var(--color-text-muted); }

.footer { background: #0c1929; color: #cbd5e1; padding: 56px 0 24px; }
.footer-content { display: grid; grid-template-columns: repeat(3, 1fr); gap: 48px; margin-bottom: 40px; }
.footer-section h3 { font-size: 1.1rem; font-weight: 700; color: #fff; margin-bottom: 16px; }
.footer-section p { font-size: 0.938rem; margin-bottom: 8px; line-height: 1.6; }
.footer-section ul li { margin-bottom: 8px; }
.footer-section ul li a { font-size: 0.938rem; color: #94a3b8; transition: color var(--transition); }
.footer-section ul li a:hover { color: var(--color-primary-light); }
.footer-bottom { padding-top: 24px; border-top: 1px solid #334155; text-align: center; font-size: 0.875rem; color: #64748b; }

.friend-links {
  padding: 24px 0;
  border-top: 1px solid #334155;
  margin-bottom: 24px;
}
.friend-links h4 {
  font-size: 0.95rem;
  font-weight: 600;
  color: #94a3b8;
  margin-bottom: 12px;
  text-align: center;
}
.friend-links-list {
  display: flex;
  flex-wrap: wrap;
  gap: 16px;
  justify-content: center;
}
.friend-links-list a {
  font-size: 0.875rem;
  color: #64748b;
  transition: color var(--transition);
  text-decoration: none;
}
.friend-links-list a:hover {
  color: var(--color-primary-light);
  text-decoration: underline;
}

@media (max-width: 1024px) {
  .highlights-grid,.info-grid { grid-template-columns: repeat(2, 1fr); }
  .gallery-grid { grid-template-columns: repeat(2, 1fr); }
  .detail-gallery { grid-template-columns: repeat(3, 1fr); }
  .footer-content { grid-template-columns: repeat(2, 1fr); }
}

@media (max-width: 768px) {
  .section { padding: 60px 0; }
  .section-title { font-size: 1.75rem; margin-bottom: 36px; }
  .banner { min-height: 480px; }
  .banner-title { font-size: 2.5rem; }
  .banner-subtitle { font-size: 1.1rem; }
  .mobile-menu-btn { display: flex; }
  .nav { max-height: 0; overflow: hidden; transition: max-height 0.3s ease; }
  .nav.active { max-height: 500px; }
  .nav-list { flex-direction: column; padding: 16px 0; }
  .nav-item a { padding: 12px 24px; }
  .highlights-grid,.info-grid,.info-list,.intro-features,.floorplan-grid,.surrounding-section ul { grid-template-columns: 1fr; }
  .gallery-grid { grid-template-columns: repeat(2, 1fr); gap: 12px; }
  .detail-gallery { grid-template-columns: repeat(2, 1fr); }
  .footer-content { grid-template-columns: 1fr; gap: 32px; }
  .contact-card { padding: 24px; }
  .page-header h1 { font-size: 2rem; }
}

@media (max-width: 480px) {
  .banner-title { font-size: 2rem; }
  .banner-cta { padding: 14px 28px; font-size: 1rem; }
  .highlight-title { font-size: 1.75rem; }
  .gallery-grid { grid-template-columns: 1fr; }
}