/* ===================================
   立丰城市生活广场 - 全局样式
   设计风格：现代商务+简洁设计
   =================================== */

/* CSS Custom Properties */
:root {
  --color-primary: #1e88e5;
  --color-primary-dark: #1565c0;
  --color-primary-light: #e3f2fd;
  --color-primary-bg: #f0f7ff;
  --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;
}

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

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

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 */
.container {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 24px;
}

/* Sections */
.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: var(--color-primary);
  margin: 16px auto 0;
  border-radius: 2px;
}

/* ===================================
   Header
   =================================== */
.header {
  background: rgba(255, 255, 255, 0.95);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--color-border);
  position: sticky;
  top: 0;
  z-index: 1000;
  transition: box-shadow var(--transition);
}

.header.scrolled {
  box-shadow: var(--shadow-md);
}

.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);
  letter-spacing: -0.02em;
}

.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 */
.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 button */
.mobile-menu-btn {
  display: none;
  flex-direction: column;
  gap: 5px;
  background: none;
  border: none;
  cursor: pointer;
  padding: 8px;
}

.mobile-menu-btn span {
  width: 24px;
  height: 2px;
  background: var(--color-text);
  transition: all var(--transition);
}

/* ===================================
   Banner
   =================================== */
.banner {
  position: relative;
  height: 600px;
  background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
  display: flex;
  align-items: center;
  justify-content: center;
  overflow: hidden;
}

.banner::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: url('data:image/svg+xml,<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 1200 600"><rect fill="%23667eea" width="1200" height="600"/><path fill="%23764ba2" d="M0 300Q150 200 300 300T600 300T900 300T1200 300V600H0Z"/></svg>');
  background-size: cover;
  opacity: 0.3;
}

.banner-overlay {
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: rgba(0, 0, 0, 0.3);
}

.banner-content {
  position: relative;
  z-index: 1;
  text-align: center;
  color: white;
  padding: 0 24px;
}

.banner-title {
  font-size: 3.5rem;
  font-weight: 800;
  margin-bottom: 16px;
  letter-spacing: -0.02em;
  text-shadow: 0 4px 20px rgba(0, 0, 0, 0.3);
}

.banner-subtitle {
  font-size: 1.25rem;
  font-weight: 400;
  margin-bottom: 32px;
  opacity: 0.95;
  letter-spacing: 0.5px;
}

.banner-cta {
  display: inline-block;
  padding: 16px 48px;
  background: white;
  color: var(--color-primary);
  font-size: 1.15rem;
  font-weight: 700;
  border-radius: 50px;
  transition: all var(--transition);
  box-shadow: var(--shadow-lg);
}

.banner-cta:hover {
  transform: translateY(-3px);
  box-shadow: 0 12px 40px rgba(0, 0, 0, 0.3);
}

/* ===================================
   Highlights
   =================================== */
.highlights {
  background: var(--color-bg);
  padding: 60px 0;
}

.highlights-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 24px;
}

.highlight-item {
  text-align: center;
  padding: 32px 20px;
  background: var(--color-bg-alt);
  border-radius: var(--radius-md);
  transition: all var(--transition);
}

.highlight-item:hover {
  transform: translateY(-5px);
  box-shadow: var(--shadow-md);
}

.highlight-title {
  font-size: 2rem;
  font-weight: 800;
  color: var(--color-primary);
  margin-bottom: 8px;
}

.highlight-desc {
  font-size: 1rem;
  color: var(--color-text-secondary);
}

/* ===================================
   Intro Section
   =================================== */
.intro {
  background: var(--color-bg);
}

.intro-content {
  font-size: 1.1rem;
  line-height: 2;
  color: var(--color-text-secondary);
  margin-bottom: 32px;
  text-align: center;
  max-width: 900px;
  margin-left: auto;
  margin-right: auto;
}

.intro-features {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 16px;
  max-width: 800px;
  margin: 0 auto;
}

.feature-item {
  font-size: 1.05rem;
  color: var(--color-text);
  padding: 16px 20px;
  background: var(--color-bg-alt);
  border-radius: var(--radius-sm);
  border-left: 3px solid var(--color-primary);
}

/* ===================================
   Gallery
   =================================== */
.gallery {
  background: var(--color-bg-alt);
}

.gallery-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 20px;
}

.gallery-item {
  border-radius: var(--radius-md);
  overflow: hidden;
  box-shadow: var(--shadow-sm);
  transition: all var(--transition);
  aspect-ratio: 16/10;
}

.gallery-item:hover {
  transform: translateY(-5px);
  box-shadow: var(--shadow-lg);
}

.gallery-item img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform var(--transition);
}

.gallery-item:hover img {
  transform: scale(1.05);
}

/* ===================================
   Quick Info
   =================================== */
.quick-info {
  background: var(--color-bg-alt);
}

.info-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 20px;
}

.info-item {
  padding: 24px;
  background: white;
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-sm);
  transition: all var(--transition);
}

.info-item:hover {
  box-shadow: var(--shadow-md);
  transform: translateY(-3px);
}

.info-label {
  display: block;
  font-size: 0.875rem;
  color: var(--color-text-muted);
  margin-bottom: 8px;
  font-weight: 500;
}

.info-value {
  display: block;
  font-size: 1.1rem;
  color: var(--color-text);
  font-weight: 600;
}

/* ===================================
   Rental Section
   =================================== */
.rental {
  background: var(--color-bg);
}

.rental-update {
  text-align: center;
  color: var(--color-text-muted);
  margin-bottom: 32px;
  font-size: 0.95rem;
}

.info-list {
  max-width: 800px;
  margin: 0 auto 40px;
  background: var(--color-bg-alt);
  border-radius: var(--radius-md);
  padding: 32px;
}

.info-list-item {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 20px 0;
  border-bottom: 1px solid var(--color-border);
}

.info-list-item:last-child {
  border-bottom: none;
}

.info-list-label {
  font-size: 1rem;
  color: var(--color-text-secondary);
  font-weight: 500;
}

.info-list-value {
  font-size: 1.1rem;
  color: var(--color-text);
  font-weight: 600;
  text-align: right;
}

.rental-cta {
  text-align: center;
}

.btn-primary {
  display: inline-block;
  padding: 16px 48px;
  background: var(--color-primary);
  color: white;
  font-size: 1.15rem;
  font-weight: 700;
  border-radius: 50px;
  transition: all var(--transition);
  box-shadow: var(--shadow-md);
}

.btn-primary:hover {
  background: var(--color-primary-dark);
  transform: translateY(-3px);
  box-shadow: var(--shadow-lg);
  color: white;
}

.rental-hint {
  margin-top: 16px;
  color: var(--color-text-muted);
  font-size: 0.95rem;
}

/* ===================================
   Amenities Section
   =================================== */
.amenities {
  background: var(--color-bg-alt);
}

.amenities-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 24px;
}

.amenity-card {
  background: white;
  padding: 32px;
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-sm);
  transition: all var(--transition);
}

.amenity-card:hover {
  box-shadow: var(--shadow-md);
  transform: translateY(-5px);
}

.amenity-icon {
  font-size: 2.5rem;
  margin-bottom: 16px;
}

.amenity-title {
  font-size: 1.3rem;
  font-weight: 700;
  color: var(--color-text);
  margin-bottom: 16px;
}

.amenity-list {
  list-style: none;
}

.amenity-list li {
  padding: 8px 0;
  padding-left: 20px;
  position: relative;
  color: var(--color-text-secondary);
  font-size: 0.95rem;
}

.amenity-list li::before {
  content: "•";
  position: absolute;
  left: 0;
  color: var(--color-primary);
  font-weight: bold;
  font-size: 1.2rem;
}

/* ===================================
   Transport Section
   =================================== */
.transport {
  background: var(--color-bg);
}

.transport-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}

.transport-card {
  background: var(--color-bg-alt);
  padding: 32px;
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-sm);
  transition: all var(--transition);
}

.transport-card:hover {
  box-shadow: var(--shadow-md);
  transform: translateY(-5px);
}

.transport-icon {
  font-size: 2.5rem;
  margin-bottom: 16px;
}

.transport-title {
  font-size: 1.3rem;
  font-weight: 700;
  color: var(--color-text);
  margin-bottom: 16px;
}

.transport-list {
  list-style: none;
}

.transport-list li {
  padding: 10px 0;
  color: var(--color-text-secondary);
  font-size: 0.95rem;
  line-height: 1.6;
  border-bottom: 1px solid var(--color-border);
}

.transport-list li:last-child {
  border-bottom: none;
}

/* ===================================
   Contact Section
   =================================== */
.contact {
  background: var(--color-bg-alt);
}

.contact-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}

.contact-card {
  background: white;
  padding: 40px 32px;
  border-radius: var(--radius-md);
  text-align: center;
  box-shadow: var(--shadow-sm);
  transition: all var(--transition);
}

.contact-card:hover {
  box-shadow: var(--shadow-md);
  transform: translateY(-5px);
}

.contact-icon {
  font-size: 3rem;
  margin-bottom: 16px;
}

.contact-title {
  font-size: 1.3rem;
  font-weight: 700;
  color: var(--color-text);
  margin-bottom: 16px;
}

.contact-phone {
  display: block;
  font-size: 1.8rem;
  font-weight: 800;
  color: var(--color-primary);
  margin-bottom: 8px;
  transition: all var(--transition);
}

.contact-phone:hover {
  color: var(--color-primary-dark);
  transform: scale(1.05);
}

.contact-label {
  font-size: 0.95rem;
  color: var(--color-text-muted);
}

.contact-address,
.contact-property {
  font-size: 1.05rem;
  color: var(--color-text-secondary);
  line-height: 1.8;
}

/* ===================================
   Links Section
   =================================== */
.links {
  background: var(--color-bg);
  padding: 60px 0;
}

.links-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 16px;
}

.links-grid a {
  padding: 14px 20px;
  background: var(--color-bg-alt);
  color: var(--color-text);
  text-align: center;
  font-size: 0.95rem;
  font-weight: 500;
  border-radius: var(--radius-sm);
  transition: all var(--transition);
  border: 1px solid var(--color-border);
}

.links-grid a:hover {
  background: var(--color-primary-bg);
  color: var(--color-primary);
  border-color: var(--color-primary);
  transform: translateY(-2px);
}

/* ===================================
   Footer
   =================================== */
.footer {
  background: var(--color-text);
  color: white;
  padding: 40px 0;
  text-align: center;
}

.footer-text {
  font-size: 0.95rem;
  margin-bottom: 12px;
  opacity: 0.9;
}

.footer-info {
  font-size: 0.9rem;
  opacity: 0.8;
}

.footer-info a {
  color: white;
  text-decoration: underline;
}

.footer-info a:hover {
  color: var(--color-primary-light);
}

/* ===================================
   Responsive Design
   =================================== */

/* Tablet */
@media (max-width: 1024px) {
  .highlights-grid {
    grid-template-columns: repeat(2, 1fr);
  }
  
  .info-grid {
    grid-template-columns: repeat(2, 1fr);
  }
  
  .gallery-grid {
    grid-template-columns: repeat(2, 1fr);
  }
  
  .transport-grid {
    grid-template-columns: repeat(2, 1fr);
  }
  
  .transport-grid .transport-card:last-child {
    grid-column: 1 / -1;
  }
}

/* Mobile */
@media (max-width: 768px) {
  .section {
    padding: 60px 0;
  }
  
  .section-title {
    font-size: 1.75rem;
    margin-bottom: 36px;
  }
  
  /* Header Mobile */
  .mobile-menu-btn {
    display: flex;
  }
  
  .nav {
    max-height: 0;
    overflow: hidden;
    transition: max-height 0.3s ease;
  }
  
  .nav.open {
    max-height: 500px;
  }
  
  .nav-list {
    flex-direction: column;
    padding: 16px 0;
  }
  
  .nav-item a {
    padding: 14px 24px;
  }
  
  /* Banner Mobile */
  .banner {
    height: 500px;
  }
  
  .banner-title {
    font-size: 2.5rem;
  }
  
  .banner-subtitle {
    font-size: 1.1rem;
  }
  
  /* Grid Mobile */
  .highlights-grid {
    grid-template-columns: repeat(2, 1fr);
    gap: 16px;
  }
  
  .intro-features {
    grid-template-columns: 1fr;
  }
  
  .gallery-grid {
    grid-template-columns: repeat(2, 1fr);
  }
  
  .info-grid {
    grid-template-columns: 1fr;
  }
  
  .amenities-grid {
    grid-template-columns: 1fr;
  }
  
  .transport-grid {
    grid-template-columns: 1fr;
  }
  
  .contact-grid {
    grid-template-columns: 1fr;
  }
  
  .links-grid {
    grid-template-columns: repeat(2, 1fr);
  }
  
  .info-list-item {
    flex-direction: column;
    align-items: flex-start;
    gap: 8px;
  }
  
  .info-list-value {
    text-align: left;
  }
}

/* Small Mobile */
@media (max-width: 480px) {
  .container {
    padding: 0 16px;
  }
  
  .banner {
    height: 450px;
  }
  
  .banner-title {
    font-size: 2rem;
  }
  
  .banner-subtitle {
    font-size: 1rem;
  }
  
  .banner-cta {
    padding: 14px 36px;
    font-size: 1rem;
  }
  
  .highlights-grid {
    grid-template-columns: 1fr;
  }
  
  .gallery-grid {
    grid-template-columns: 1fr;
  }
  
  .links-grid {
    grid-template-columns: 1fr;
  }
  
  .section-title {
    font-size: 1.5rem;
  }
}