@charset "UTF-8";

:root {
  --primary: #F5E6D3;
  --secondary: #C67B3C;
  --dark: #2C1810;
  --dark-lighter: #3D2418;
  --text: #333333;
  --text-light: #666666;
  --border: #D4A574;
  --white: #FFFFFF;
  --radius: 50px;
  --shadow: 0 4px 20px rgba(44,24,16,0.15);
  --transition: all 0.3s ease;
}

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

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

body {
  font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', 'PingFang SC', 'Hiragino Sans GB', 'Microsoft YaHei', 'Helvetica Neue', Helvetica, Arial, sans-serif;
  color: var(--text);
  background: var(--white);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}

a {
  color: var(--secondary);
  text-decoration: none;
  transition: var(--transition);
}

a:hover {
  color: var(--dark);
}

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

ul, ol {
  list-style: none;
}

.container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 20px;
}

/* ===== Header ===== */
.header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 1000;
  background: transparent;
  transition: var(--transition);
}

.header.scrolled {
  background: rgba(44,24,16,0.95);
  backdrop-filter: blur(10px);
}

.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 80px;
}

.logo {
  display: flex;
  align-items: center;
  gap: 12px;
  color: var(--primary);
  font-weight: 700;
  font-size: 1.5rem;
  letter-spacing: 1px;
}

.logo svg {
  width: 40px;
  height: 40px;
  fill: var(--secondary);
}

.nav {
  display: flex;
  align-items: center;
  gap: 36px;
}

.nav a {
  color: var(--primary);
  font-size: 0.95rem;
  font-weight: 500;
  letter-spacing: 0.5px;
  position: relative;
}

.nav a::after {
  content: '';
  position: absolute;
  bottom: -4px;
  left: 0;
  width: 0;
  height: 2px;
  background: var(--secondary);
  transition: var(--transition);
}

.nav a:hover::after,
.nav a.active::after {
  width: 100%;
}

.nav a:hover {
  color: var(--secondary);
}

/* ===== Buttons ===== */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 12px 32px;
  border-radius: var(--radius);
  font-size: 0.95rem;
  font-weight: 600;
  letter-spacing: 0.5px;
  cursor: pointer;
  transition: var(--transition);
  border: none;
  outline: none;
}

.btn-primary {
  background: linear-gradient(135deg, var(--secondary), #A8652E);
  color: var(--white);
  box-shadow: 0 4px 15px rgba(198,123,60,0.35);
}

.btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 8px 25px rgba(198,123,60,0.45);
  color: var(--white);
}

.btn-outline {
  background: transparent;
  color: var(--primary);
  border: 2px solid var(--border);
}

.btn-outline:hover {
  background: var(--secondary);
  border-color: var(--secondary);
  color: var(--white);
}

.btn-dark {
  background: var(--dark);
  color: var(--primary);
}

.btn-dark:hover {
  background: var(--dark-lighter);
  color: var(--white);
}

/* ===== Footer ===== */
.footer {
  background: var(--dark);
  color: var(--primary);
  padding: 60px 0 24px;
}

.footer-grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1.5fr;
  gap: 48px;
  margin-bottom: 48px;
}

.footer-brand .logo {
  margin-bottom: 20px;
  color: var(--primary);
}

.footer-brand p {
  color: rgba(245,230,211,0.7);
  font-size: 0.9rem;
  line-height: 1.8;
}

.footer-title {
  font-size: 1rem;
  font-weight: 600;
  color: var(--secondary);
  margin-bottom: 24px;
  letter-spacing: 0.5px;
}

.footer-links li {
  margin-bottom: 14px;
}

.footer-links a {
  color: rgba(245,230,211,0.7);
  font-size: 0.9rem;
}

.footer-links a:hover {
  color: var(--secondary);
}

.footer-contact li {
  display: flex;
  align-items: flex-start;
  gap: 12px;
  margin-bottom: 16px;
  color: rgba(245,230,211,0.7);
  font-size: 0.9rem;
  line-height: 1.6;
}

.footer-contact .icon {
  width: 20px;
  height: 20px;
  fill: var(--secondary);
  flex-shrink: 0;
  margin-top: 2px;
}

.footer-bottom {
  border-top: 1px solid rgba(245,230,211,0.1);
  padding-top: 24px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 12px;
}

.footer-bottom p {
  font-size: 0.85rem;
  color: rgba(245,230,211,0.5);
}

.footer-bottom a {
  color: rgba(245,230,211,0.5);
  text-decoration: underline;
}

.footer-bottom a:hover {
  color: var(--secondary);
}

/* ===== Section Title ===== */
.section-title {
  text-align: center;
  margin-bottom: 60px;
}

.section-title h2 {
  font-size: 2.2rem;
  font-weight: 700;
  color: var(--dark);
  margin-bottom: 16px;
  letter-spacing: 1px;
}

.section-title p {
  font-size: 1.05rem;
  color: var(--text-light);
  max-width: 600px;
  margin: 0 auto;
  line-height: 1.7;
}

/* ===== Breadcrumb ===== */
.breadcrumb {
  background: linear-gradient(135deg, var(--dark), var(--dark-lighter));
  padding: 120px 0 60px;
  color: var(--primary);
  text-align: center;
}

.breadcrumb h1 {
  font-size: 2.4rem;
  font-weight: 700;
  margin-bottom: 16px;
  letter-spacing: 1px;
}

.breadcrumb nav {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 12px;
  font-size: 0.9rem;
  color: rgba(245,230,211,0.7);
}

.breadcrumb nav a {
  color: var(--secondary);
}

.breadcrumb nav a:hover {
  color: var(--primary);
}

/* ===== Tag ===== */
.tag {
  display: inline-block;
  padding: 6px 16px;
  border-radius: var(--radius);
  background: rgba(198,123,60,0.1);
  color: var(--secondary);
  font-size: 0.8rem;
  font-weight: 500;
  margin-right: 8px;
  margin-bottom: 8px;
  transition: var(--transition);
}

.tag:hover {
  background: var(--secondary);
  color: var(--white);
}

/* ===== Page Section ===== */
.page-section {
  padding: 80px 0;
}

/* ===== Scroll Top ===== */
.scroll-top {
  position: fixed;
  bottom: 30px;
  right: 30px;
  width: 48px;
  height: 48px;
  border-radius: 50%;
  background: var(--secondary);
  color: var(--white);
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  opacity: 0;
  visibility: hidden;
  transition: var(--transition);
  z-index: 999;
  border: none;
  font-size: 1.2rem;
}

.scroll-top.visible {
  opacity: 1;
  visibility: visible;
}

.scroll-top:hover {
  background: var(--dark);
  transform: translateY(-3px);
}

/* ===== Animations ===== */
@keyframes fadeInUp {
  from { opacity: 0; transform: translateY(30px); }
  to { opacity: 1; transform: translateY(0); }
}

.fade-in-up {
  animation: fadeInUp 0.6s ease forwards;
}

/* ===== Responsive ===== */
@media (max-width: 1024px) {
  .footer-grid {
    grid-template-columns: 1fr 1fr;
    gap: 36px;
  }
}

@media (max-width: 768px) {
  .header-inner {
    height: 64px;
  }
  
  .nav {
    display: none;
    position: fixed;
    top: 64px;
    left: 0;
    right: 0;
    background: rgba(44,24,16,0.98);
    flex-direction: column;
    padding: 24px;
    gap: 20px;
  }
  
  .nav.active {
    display: flex;
  }
  
  .nav a {
    font-size: 1.1rem;
  }
  
  .menu-toggle {
    display: flex;
    flex-direction: column;
    gap: 5px;
    cursor: pointer;
    padding: 8px;
    background: none;
    border: none;
  }
  
  .menu-toggle span {
    display: block;
    width: 24px;
    height: 2px;
    background: var(--primary);
    transition: var(--transition);
  }
  
  .section-title h2 {
    font-size: 1.8rem;
  }
  
  .footer-grid {
    grid-template-columns: 1fr;
    gap: 32px;
  }
  
  .breadcrumb h1 {
    font-size: 1.8rem;
  }
  
  .breadcrumb {
    padding: 100px 0 40px;
  }
  
  .page-section {
    padding: 50px 0;
  }
}

@media (max-width: 480px) {
  .container {
    padding: 0 16px;
  }
  
  .btn {
    padding: 10px 24px;
    font-size: 0.9rem;
  }
  
  .section-title h2 {
    font-size: 1.5rem;
  }
}

.menu-toggle {
  display: none;
  background: none;
  border: none;
}

@media (max-width: 768px) {
  .menu-toggle {
    display: block;
  }
}