/* ============================================
   征途国际pg — 杂志新拟态设计系统
   配色：奶油白 + 鼠尾草绿 + 赤陶色 + 深棕
   风格：杂志风 × 新拟态柔和雕塑
   ============================================ */

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

body {
  font-family: system-ui, 'PingFang SC', 'Microsoft YaHei', sans-serif;
  overflow-x: hidden;
  background: #faf8f5;
  color: #3d322b;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  line-height: 1.6;
}

/* --- 核心布局 --- */
.container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 24px;
}

.section {
  padding: 80px 0;
}

.section:nth-child(even) {
  background: #f5f1eb;
}

/* --- 导航 — 固定顶部 --- */
.site-header {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  z-index: 1000;
  background: rgba(250, 248, 245, 0.92);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border-bottom: 1px solid rgba(61, 50, 43, 0.08);
  transition: box-shadow 0.3s ease;
}

.site-header.scrolled {
  box-shadow: 0 2px 24px rgba(61, 50, 43, 0.06);
}

.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 68px;
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 24px;
}

.logo {
  display: flex;
  align-items: center;
  gap: 10px;
  font-weight: 800;
  font-size: 1.2rem;
  text-decoration: none;
  color: #3d322b;
  letter-spacing: -0.02em;
  transition: opacity 0.2s ease;
}

.logo:hover {
  opacity: 0.78;
}

.logo-icon {
  width: 38px;
  height: 38px;
  border-radius: 10px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1rem;
  font-weight: 700;
  background: #7d9b76;
  color: #fff;
  box-shadow: 3px 3px 8px rgba(125, 155, 118, 0.25), -2px -2px 6px rgba(255, 255, 255, 0.7);
  transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.logo:hover .logo-icon {
  transform: scale(1.05);
  box-shadow: 4px 4px 12px rgba(125, 155, 118, 0.35), -2px -2px 8px rgba(255, 255, 255, 0.8);
}

.main-nav {
  display: flex;
  align-items: center;
  gap: 28px;
  list-style: none;
}

.main-nav a {
  text-decoration: none;
  font-size: 0.9rem;
  font-weight: 500;
  color: #5c4f44;
  transition: color 0.25s ease;
  position: relative;
  letter-spacing: 0.01em;
}

.main-nav a::after {
  content: '';
  position: absolute;
  bottom: -4px;
  left: 0;
  width: 0;
  height: 2px;
  background: #7d9b76;
  border-radius: 1px;
  transition: width 0.3s cubic-bezier(0.25, 0.8, 0.25, 1.2);
}

.main-nav a:hover {
  color: #7d9b76;
}

.main-nav a:hover::after {
  width: 100%;
}

.nav-cta {
  padding: 9px 22px;
  border-radius: 10px;
  color: #fff !important;
  font-weight: 600;
  background: #c17d60;
  box-shadow: 3px 3px 10px rgba(193, 125, 96, 0.3), -2px -2px 6px rgba(255, 255, 255, 0.6);
  transition: all 0.3s ease;
  letter-spacing: 0.02em;
}

.nav-cta:hover {
  background: #b06d51;
  box-shadow: 5px 5px 16px rgba(193, 125, 96, 0.4), -3px -3px 8px rgba(255, 255, 255, 0.7);
  transform: translateY(-2px);
}

.nav-cta::after {
  display: none !important;
}

.menu-toggle {
  display: none;
  flex-direction: column;
  gap: 5px;
  cursor: pointer;
  padding: 8px;
  border-radius: 8px;
  border: none;
  background: transparent;
  transition: background 0.2s ease;
}

.menu-toggle:hover {
  background: rgba(125, 155, 118, 0.08);
}

.menu-toggle span {
  display: block;
  width: 24px;
  height: 2.5px;
  background: #3d322b;
  border-radius: 2px;
  transition: all 0.3s ease;
}

/* --- 首页Hero --- */
.hero {
  min-height: 70vh;
  display: flex;
  align-items: center;
  padding-top: 68px;
}

.hero-content {
  max-width: 720px;
}

.hero-eyebrow {
  display: inline-block;
  font-size: 0.85rem;
  font-weight: 700;
  padding: 5px 16px;
  border-radius: 24px;
  margin-bottom: 18px;
  background: #f5e6df;
  color: #c17d60;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  font-size: 0.78rem;
  box-shadow: 2px 2px 6px rgba(193, 125, 96, 0.1), -1px -1px 4px rgba(255, 255, 255, 0.8);
}

.hero h1 {
  font-size: 3rem;
  line-height: 1.15;
  margin-bottom: 22px;
  font-weight: 900;
  letter-spacing: -0.03em;
  color: #2b221d;
}

.hero h1 .highlight {
  color: #7d9b76;
  position: relative;
}

.hero p {
  font-size: 1.15rem;
  opacity: 0.72;
  max-width: 560px;
  margin-bottom: 36px;
  color: #5c4f44;
  line-height: 1.7;
}

.hero-buttons {
  display: flex;
  gap: 14px;
}

.hero-image {
  border-radius: 16px;
  overflow: hidden;
  box-shadow: 8px 8px 20px rgba(61, 50, 43, 0.08), -4px -4px 12px rgba(255, 255, 255, 0.9);
}

.hero-image img {
  width: 100%;
  height: auto;
  display: block;
}

/* --- 按钮 --- */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 13px 30px;
  border-radius: 10px;
  font-weight: 700;
  cursor: pointer;
  border: none;
  text-decoration: none;
  transition: all 0.3s cubic-bezier(0.25, 0.8, 0.25, 1.2);
  letter-spacing: 0.02em;
  font-size: 0.95rem;
}

.btn-primary {
  color: #fff;
  background: #7d9b76;
  box-shadow: 4px 4px 12px rgba(125, 155, 118, 0.3), -2px -2px 8px rgba(255, 255, 255, 0.7);
}

.btn-primary:hover {
  background: #6d8b66;
  box-shadow: 6px 6px 18px rgba(125, 155, 118, 0.4), -3px -3px 10px rgba(255, 255, 255, 0.8);
  transform: translateY(-3px);
}

.btn-outline {
  background: transparent;
  border: 2px solid #3d322b;
  color: #3d322b;
  box-shadow: 2px 2px 6px rgba(61, 50, 43, 0.06), -1px -1px 4px rgba(255, 255, 255, 0.6);
}

.btn-outline:hover {
  background: #3d322b;
  color: #faf8f5;
  box-shadow: 4px 4px 14px rgba(61, 50, 43, 0.2), -2px -2px 8px rgba(255, 255, 255, 0.7);
  transform: translateY(-3px);
}

/* --- 标签/标题 --- */
.section-label {
  display: inline-block;
  font-size: 0.8rem;
  font-weight: 700;
  letter-spacing: 3px;
  margin-bottom: 14px;
  color: #c17d60;
  text-transform: uppercase;
}

.section-title {
  font-size: 2.2rem;
  margin-bottom: 16px;
  font-weight: 900;
  letter-spacing: -0.02em;
  color: #2b221d;
  line-height: 1.2;
}

.section-desc {
  max-width: 600px;
  opacity: 0.7;
  margin-bottom: 44px;
  color: #5c4f44;
  font-size: 1.05rem;
  line-height: 1.7;
}

/* --- 卡片网格 --- */
.cards-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(260px, 1fr));
  gap: 28px;
}

.category-card {
  border-radius: 16px;
  padding: 32px 28px;
  border: 1px solid rgba(61, 50, 43, 0.06);
  background: #faf8f5;
  box-shadow: 5px 5px 14px rgba(61, 50, 43, 0.05), -3px -3px 10px rgba(255, 255, 255, 0.85);
  transition: all 0.35s cubic-bezier(0.25, 0.8, 0.25, 1.2);
  cursor: pointer;
  position: relative;
}

.category-card:hover {
  transform: translateY(-6px);
  box-shadow: 8px 8px 22px rgba(61, 50, 43, 0.1), -5px -5px 14px rgba(255, 255, 255, 0.9);
  border-color: rgba(125, 155, 118, 0.25);
}

.card-icon {
  width: 52px;
  height: 52px;
  border-radius: 14px;
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 18px;
  font-size: 1.4rem;
  background: #e8f0e6;
  color: #7d9b76;
  box-shadow: 3px 3px 8px rgba(125, 155, 118, 0.15), -2px -2px 6px rgba(255, 255, 255, 0.7);
  transition: transform 0.3s ease;
}

.category-card:hover .card-icon {
  transform: scale(1.08);
}

.category-card h3 {
  font-size: 1.15rem;
  font-weight: 700;
  margin-bottom: 8px;
  color: #2b221d;
}

.category-card p {
  font-size: 0.9rem;
  opacity: 0.65;
  color: #5c4f44;
  line-height: 1.6;
  margin-bottom: 16px;
}

.card-link {
  font-weight: 700;
  font-size: 0.85rem;
  text-decoration: none;
  color: #7d9b76;
  display: inline-flex;
  align-items: center;
  gap: 4px;
  transition: gap 0.3s ease, color 0.3s ease;
}

.card-link:hover {
  gap: 8px;
  color: #5d7b56;
}

/* --- 特性块 --- */
.feature-block {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 60px;
  align-items: center;
}

.feature-image {
  border-radius: 16px;
  overflow: hidden;
  box-shadow: 6px 6px 18px rgba(61, 50, 43, 0.07), -3px -3px 10px rgba(255, 255, 255, 0.8);
}

.feature-image img {
  width: 100%;
  height: auto;
  display: block;
}

.feature-text h3 {
  font-size: 1.6rem;
  font-weight: 800;
  margin-bottom: 12px;
  color: #2b221d;
  letter-spacing: -0.02em;
}

.feature-text p {
  opacity: 0.7;
  color: #5c4f44;
  margin-bottom: 20px;
  line-height: 1.7;
}

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

.feature-list li {
  padding: 8px 0;
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: 0.95rem;
  color: #3d322b;
}

.feature-list li::before {
  content: '✓';
  font-weight: 800;
  color: #7d9b76;
  font-size: 1.1rem;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 24px;
  height: 24px;
  border-radius: 50%;
  background: #e8f0e6;
  flex-shrink: 0;
}

/* --- 数据条 --- */
.stats-bar {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 28px;
  text-align: center;
}

.stat-item {
  padding: 32px 20px;
  border-radius: 16px;
  border: 1px solid rgba(61, 50, 43, 0.06);
  background: #faf8f5;
  box-shadow: 4px 4px 12px rgba(61, 50, 43, 0.04), -2px -2px 8px rgba(255, 255, 255, 0.8);
  transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.stat-item:hover {
  transform: translateY(-4px);
  box-shadow: 6px 6px 18px rgba(61, 50, 43, 0.08), -3px -3px 10px rgba(255, 255, 255, 0.9);
}

.stat-number {
  font-size: 2.4rem;
  font-weight: 900;
  color: #7d9b76;
  letter-spacing: -0.02em;
  line-height: 1;
}

.stat-label {
  font-size: 0.9rem;
  opacity: 0.6;
  margin-top: 8px;
  color: #5c4f44;
  font-weight: 500;
}

/* --- 内容墙 --- */
.content-wall {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
  gap: 28px;
}

.content-wall-item {
  border-radius: 16px;
  overflow: hidden;
  border: 1px solid rgba(61, 50, 43, 0.06);
  background: #faf8f5;
  box-shadow: 5px 5px 14px rgba(61, 50, 43, 0.04), -3px -3px 10px rgba(255, 255, 255, 0.8);
  transition: all 0.35s cubic-bezier(0.25, 0.8, 0.25, 1.2);
}

.content-wall-item:hover {
  transform: translateY(-5px);
  box-shadow: 8px 8px 22px rgba(61, 50, 43, 0.1), -5px -5px 14px rgba(255, 255, 255, 0.9);
}

.content-wall-item img {
  width: 100%;
  height: 200px;
  object-fit: cover;
  display: block;
}

.content-wall-body {
  padding: 22px;
}

.content-wall-body h4 {
  font-size: 1.05rem;
  font-weight: 700;
  margin-bottom: 6px;
  color: #2b221d;
}

.content-wall-body p {
  font-size: 0.88rem;
  opacity: 0.6;
  color: #5c4f44;
  line-height: 1.6;
}

/* --- FAQ --- */
.faq-list {
  max-width: 800px;
  margin: 0 auto;
}

.faq-item {
  border: 1px solid rgba(61, 50, 43, 0.07);
  border-radius: 12px;
  margin-bottom: 10px;
  overflow: hidden;
  cursor: pointer;
  background: #faf8f5;
  box-shadow: 2px 2px 6px rgba(61, 50, 43, 0.03), -1px -1px 4px rgba(255, 255, 255, 0.7);
  transition: all 0.3s ease;
}

.faq-item:hover {
  border-color: rgba(125, 155, 118, 0.25);
  box-shadow: 3px 3px 10px rgba(61, 50, 43, 0.06), -2px -2px 6px rgba(255, 255, 255, 0.8);
}

.faq-item.open {
  border-color: rgba(125, 155, 118, 0.35);
  box-shadow: 4px 4px 14px rgba(125, 155, 118, 0.1), -2px -2px 8px rgba(255, 255, 255, 0.8);
  background: #fdfcf9;
}

.faq-item .faq-question {
  padding: 18px 22px;
  font-weight: 700;
  display: flex;
  justify-content: space-between;
  align-items: center;
  color: #2b221d;
  font-size: 0.98rem;
}

.faq-item .faq-question::after {
  content: '+';
  font-size: 1.3rem;
  font-weight: 400;
  color: #7d9b76;
  transition: transform 0.4s cubic-bezier(0.25, 0.8, 0.25, 1.2);
  flex-shrink: 0;
  margin-left: 12px;
}

.faq-item.open .faq-question::after {
  transform: rotate(45deg);
  color: #c17d60;
}

.faq-item .faq-answer {
  padding: 0 22px 18px;
  display: none;
  opacity: 0.7;
  color: #5c4f44;
  font-size: 0.93rem;
  line-height: 1.7;
  animation: fadeSlideIn 0.35s ease;
}

.faq-item.open .faq-answer {
  display: block;
}

@keyframes fadeSlideIn {
  from {
    opacity: 0;
    transform: translateY(-8px);
  }
  to {
    opacity: 0.7;
    transform: translateY(0);
  }
}

/* --- CTA横幅 --- */
.cta-banner {
  padding: 60px 24px;
  text-align: center;
  border-radius: 20px;
  color: #fff;
  background: linear-gradient(135deg, #7d9b76 0%, #8aab82 40%, #6d8b66 100%);
  box-shadow: 6px 6px 20px rgba(125, 155, 118, 0.25), -3px -3px 12px rgba(255, 255, 255, 0.5);
  position: relative;
  overflow: hidden;
}

.cta-banner::before {
  content: '';
  position: absolute;
  top: -60px;
  right: -60px;
  width: 200px;
  height: 200px;
  border-radius: 50%;
  background: rgba(255, 255, 255, 0.06);
  pointer-events: none;
}

.cta-banner::after {
  content: '';
  position: absolute;
  bottom: -40px;
  left: -40px;
  width: 140px;
  height: 140px;
  border-radius: 50%;
  background: rgba(255, 255, 255, 0.05);
  pointer-events: none;
}

.cta-banner h2 {
  color: #fff;
  font-size: 2rem;
  font-weight: 900;
  letter-spacing: -0.02em;
  position: relative;
  z-index: 1;
}

.cta-banner p {
  color: rgba(255, 255, 255, 0.85);
  margin: 12px 0 24px;
  font-size: 1.05rem;
  position: relative;
  z-index: 1;
}

.cta-banner .btn-primary {
  background: #fff;
  color: #5d7b56;
  box-shadow: 4px 4px 14px rgba(0, 0, 0, 0.12), -2px -2px 8px rgba(255, 255, 255, 0.3);
  position: relative;
  z-index: 1;
}

.cta-banner .btn-primary:hover {
  background: #faf8f5;
  box-shadow: 6px 6px 20px rgba(0, 0, 0, 0.16), -3px -3px 10px rgba(255, 255, 255, 0.4);
  transform: translateY(-3px);
}

/* --- 页脚 --- */
.site-footer {
  padding: 60px 0 28px;
  background: #ede6dc;
  color: #3d322b;
  border-top: 1px solid rgba(61, 50, 43, 0.06);
}

.footer-grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1fr;
  gap: 44px;
}

.footer-brand .logo {
  margin-bottom: 12px;
}

.footer-brand p {
  font-size: 0.9rem;
  opacity: 0.6;
  color: #5c4f44;
  line-height: 1.7;
  max-width: 280px;
}

.footer-col h4 {
  font-weight: 700;
  font-size: 0.95rem;
  margin-bottom: 16px;
  color: #2b221d;
}

.footer-col ul {
  list-style: none;
}

.footer-col ul li {
  margin-bottom: 8px;
}

.footer-col ul li a {
  text-decoration: none;
  color: #5c4f44;
  font-size: 0.88rem;
  opacity: 0.7;
  transition: opacity 0.2s ease, color 0.2s ease;
}

.footer-col ul li a:hover {
  opacity: 1;
  color: #7d9b76;
}

.footer-bottom {
  border-top: 1px solid rgba(61, 50, 43, 0.08);
  margin-top: 44px;
  padding-top: 22px;
  text-align: center;
  font-size: 0.85rem;
  color: #5c4f44;
  opacity: 0.6;
}

/* --- 工具类 --- */
.text-accent {
  color: #c17d60;
}

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

.seo-description {
  max-width: 600px;
  margin: 0 auto 48px;
  opacity: 0.7;
  color: #5c4f44;
  font-size: 0.95rem;
  line-height: 1.7;
}

.mt-0 {
  margin-top: 0;
}

.mb-0 {
  margin-bottom: 0;
}

/* --- 响应式 --- */
@media (max-width: 768px) {
  .feature-block {
    grid-template-columns: 1fr;
    gap: 36px;
  }

  .stats-bar {
    grid-template-columns: repeat(2, 1fr);
    gap: 20px;
  }

  .footer-grid {
    grid-template-columns: 1fr 1fr;
    gap: 32px;
  }

  .hero h1 {
    font-size: 2.2rem;
  }

  .hero p {
    font-size: 1rem;
  }

  .section-title {
    font-size: 1.7rem;
  }

  .main-nav {
    display: none;
    position: absolute;
    top: 68px;
    left: 0;
    width: 100%;
    background: rgba(250, 248, 245, 0.98);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    padding: 20px 24px;
    flex-direction: column;
    gap: 8px;
    border-bottom: 1px solid rgba(61, 50, 43, 0.08);
    box-shadow: 0 8px 24px rgba(61, 50, 43, 0.08);
    z-index: 999;
  }

  .main-nav.open {
    display: flex;
  }

  .main-nav a {
    padding: 10px 0;
    font-size: 1rem;
    width: 100%;
    border-bottom: 1px solid rgba(61, 50, 43, 0.04);
  }

  .main-nav a::after {
    display: none;
  }

  .nav-cta {
    text-align: center;
    margin-top: 8px;
    width: 100%;
    display: block;
  }

  .menu-toggle {
    display: flex;
  }

  .cta-banner {
    padding: 44px 20px;
  }

  .cta-banner h2 {
    font-size: 1.5rem;
  }
}

@media (max-width: 480px) {
  .cards-grid,
  .content-wall,
  .stats-bar {
    grid-template-columns: 1fr;
  }

  .footer-grid {
    grid-template-columns: 1fr;
    gap: 28px;
  }

  .hero-buttons {
    flex-direction: column;
  }

  .hero h1 {
    font-size: 1.8rem;
  }

  .section {
    padding: 60px 0;
  }

  .section-title {
    font-size: 1.5rem;
  }

  .site-footer {
    padding: 40px 0 20px;
  }

  .stat-item {
    padding: 24px 16px;
  }

  .stat-number {
    font-size: 1.8rem;
  }
}