/* ============================================
   征途国际h5 — 设计系统
   风格：暖杏新拟态 · 流体人文科技
   配色：奶油暖白 + 杏粉 + 鼠尾草绿 + 柔和琥珀
   ============================================ */

/* ---------- 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: #3a302a;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

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

.section {
  padding: 80px 0;
  position: relative;
}

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

/* ---------- 导航 ---------- */
.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(200, 132, 92, 0.12);
  box-shadow: 0 1px 20px rgba(180, 140, 110, 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: 700;
  font-size: 1.25rem;
  text-decoration: none;
  color: #3a302a;
  letter-spacing: -0.3px;
}

.logo-icon {
  width: 38px;
  height: 38px;
  border-radius: 12px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.1rem;
  background: linear-gradient(135deg, #e8b896, #c8845c);
  color: #fff;
  box-shadow: 0 4px 14px rgba(200, 132, 92, 0.3), inset 0 1px 0 rgba(255,255,255,0.3);
}

.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, transform 0.2s;
  position: relative;
}

.main-nav a::after {
  content: '';
  position: absolute;
  bottom: -4px;
  left: 0;
  width: 0;
  height: 2px;
  background: #c8845c;
  border-radius: 1px;
  transition: width 0.3s ease;
}

.main-nav a:hover {
  color: #c8845c;
}

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

.nav-cta {
  padding: 9px 22px;
  border-radius: 25px;
  color: #fff !important;
  font-weight: 600;
  background: linear-gradient(135deg, #d4956b, #c0714d);
  box-shadow: 0 4px 16px rgba(200, 132, 92, 0.35);
  transition: transform 0.2s, box-shadow 0.25s !important;
}

.nav-cta:hover {
  transform: translateY(-2px);
  box-shadow: 0 6px 22px rgba(200, 132, 92, 0.45);
}

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

.menu-toggle {
  display: none;
  background: none;
  border: none;
  cursor: pointer;
  width: 40px;
  height: 40px;
  border-radius: 10px;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 5px;
  background: #f0ebe4;
  transition: background 0.2s;
}

.menu-toggle span {
  display: block;
  width: 22px;
  height: 2.5px;
  border-radius: 3px;
  background: #5c4f44;
  transition: all 0.3s;
}

/* ---------- Hero ---------- */
.hero {
  min-height: 70vh;
  display: flex;
  align-items: center;
  background: linear-gradient(170deg, #faf8f5 60%, #f7f0e8 100%);
  position: relative;
  overflow: hidden;
}

.hero::before {
  content: '';
  position: absolute;
  top: -120px;
  right: -80px;
  width: 520px;
  height: 520px;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(232, 184, 150, 0.18) 0%, transparent 70%);
  pointer-events: none;
}

.hero::after {
  content: '';
  position: absolute;
  bottom: -100px;
  left: -60px;
  width: 380px;
  height: 380px;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(154, 175, 157, 0.14) 0%, transparent 70%);
  pointer-events: none;
}

.hero-content {
  max-width: 720px;
  position: relative;
  z-index: 1;
}

.hero-eyebrow {
  display: inline-block;
  font-size: 0.82rem;
  font-weight: 600;
  padding: 6px 18px;
  border-radius: 25px;
  margin-bottom: 20px;
  background: #f0e8df;
  color: #b8754a;
  letter-spacing: 1.5px;
  text-transform: uppercase;
}

.hero h1 {
  font-size: 3.2rem;
  line-height: 1.18;
  margin-bottom: 22px;
  font-weight: 800;
  color: #2e2722;
  letter-spacing: -0.5px;
}

.hero h1 span {
  color: #c8845c;
  position: relative;
}

.hero p {
  font-size: 1.12rem;
  opacity: 0.7;
  max-width: 560px;
  margin-bottom: 36px;
  color: #5c4f44;
  line-height: 1.7;
}

.hero-buttons {
  display: flex;
  gap: 16px;
  flex-wrap: wrap;
}

.hero-image {
  border-radius: 20px;
  overflow: hidden;
  box-shadow: 0 20px 50px rgba(180, 140, 110, 0.2), 0 4px 12px rgba(180, 140, 110, 0.1);
  border: 1px solid rgba(200, 170, 140, 0.2);
}

.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: 28px;
  font-weight: 600;
  cursor: pointer;
  border: none;
  text-decoration: none;
  transition: transform 0.2s, box-shadow 0.25s, background 0.3s;
  font-size: 0.95rem;
  letter-spacing: 0.2px;
}

.btn-primary {
  color: #fff;
  background: linear-gradient(135deg, #d4956b, #c0714d);
  box-shadow: 0 6px 20px rgba(200, 132, 92, 0.35);
}

.btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 8px 28px rgba(200, 132, 92, 0.5);
}

.btn-outline {
  background: transparent;
  border: 2px solid #c8845c;
  color: #c8845c;
}

.btn-outline:hover {
  background: #fdf5ef;
  border-color: #b8754a;
  color: #b8754a;
}

/* ---------- 标签/标题 ---------- */
.section-label {
  display: inline-block;
  font-size: 0.8rem;
  font-weight: 600;
  letter-spacing: 3px;
  margin-bottom: 14px;
  text-transform: uppercase;
  color: #8a9b8d;
}

.section-title {
  font-size: 2.2rem;
  margin-bottom: 16px;
  font-weight: 800;
  color: #2e2722;
  letter-spacing: -0.4px;
}

.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(270px, 1fr));
  gap: 28px;
}

.category-card {
  border-radius: 18px;
  padding: 32px 28px;
  border: 1px solid rgba(200, 170, 140, 0.2);
  background: #fffdfa;
  transition: transform 0.3s, box-shadow 0.3s;
  box-shadow: 0 2px 8px rgba(180, 140, 110, 0.06), 0 8px 24px rgba(180, 140, 110, 0.04);
  position: relative;
  overflow: hidden;
}

.category-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 3px;
  background: linear-gradient(90deg, #e8b896, #c8845c, #e8c98b);
  opacity: 0;
  transition: opacity 0.3s;
}

.category-card:hover {
  transform: translateY(-4px);
  box-shadow: 0 12px 32px rgba(180, 140, 110, 0.14), 0 4px 12px rgba(180, 140, 110, 0.08);
}

.category-card:hover::before {
  opacity: 1;
}

.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: #f7f0e8;
  color: #c8845c;
  box-shadow: 0 4px 12px rgba(200, 132, 92, 0.12);
}

.category-card:nth-child(2) .card-icon {
  background: #eef4ec;
  color: #8a9b8d;
  box-shadow: 0 4px 12px rgba(138, 155, 141, 0.12);
}

.category-card:nth-child(3) .card-icon {
  background: #fef9f2;
  color: #d4a05a;
  box-shadow: 0 4px 12px rgba(212, 160, 90, 0.12);
}

.category-card:nth-child(4) .card-icon {
  background: #fdf3ec;
  color: #c0714d;
  box-shadow: 0 4px 12px rgba(192, 113, 77, 0.12);
}

.card-link {
  font-weight: 600;
  font-size: 0.85rem;
  text-decoration: none;
  color: #c8845c;
  display: inline-flex;
  align-items: center;
  gap: 4px;
  transition: gap 0.25s;
}

.card-link:hover {
  gap: 8px;
}

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

.feature-image {
  border-radius: 20px;
  overflow: hidden;
  box-shadow: 0 16px 40px rgba(180, 140, 110, 0.18), 0 4px 10px rgba(180, 140, 110, 0.08);
  border: 1px solid rgba(200, 170, 140, 0.18);
}

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

.feature-text {
  color: #3a302a;
}

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

.feature-list li {
  padding: 8px 0;
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: 0.98rem;
  color: #4a3d34;
}

.feature-list li::before {
  content: '✓';
  font-weight: 700;
  color: #8a9b8d;
  background: #eef4ec;
  width: 24px;
  height: 24px;
  border-radius: 50%;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  font-size: 0.75rem;
  flex-shrink: 0;
}

/* ---------- 数据条 ---------- */
.stats-bar {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 24px;
  text-align: center;
}

.stat-item {
  padding: 28px 20px;
  border-radius: 18px;
  border: 1px solid rgba(200, 170, 140, 0.18);
  background: #fffdfa;
  transition: transform 0.3s, box-shadow 0.3s;
  box-shadow: 0 2px 6px rgba(180, 140, 110, 0.04);
}

.stat-item:nth-child(1) { border-top: 3px solid #e8b896; }
.stat-item:nth-child(2) { border-top: 3px solid #9baf9d; }
.stat-item:nth-child(3) { border-top: 3px solid #e8c98b; }
.stat-item:nth-child(4) { border-top: 3px solid #d4956b; }

.stat-item:hover {
  transform: translateY(-3px);
  box-shadow: 0 8px 24px rgba(180, 140, 110, 0.12);
}

.stat-number {
  font-size: 2.5rem;
  font-weight: 800;
  color: #2e2722;
  letter-spacing: -0.5px;
}

.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(290px, 1fr));
  gap: 28px;
}

.content-wall-item {
  border-radius: 18px;
  overflow: hidden;
  border: 1px solid rgba(200, 170, 140, 0.2);
  transition: transform 0.3s, box-shadow 0.3s;
  background: #fffdfa;
  box-shadow: 0 2px 8px rgba(180, 140, 110, 0.04);
}

.content-wall-item:hover {
  transform: translateY(-4px);
  box-shadow: 0 14px 36px rgba(180, 140, 110, 0.15), 0 4px 10px rgba(180, 140, 110, 0.06);
}

.content-wall-item img {
  width: 100%;
  height: 210px;
  object-fit: cover;
  display: block;
}

.content-wall-body {
  padding: 22px 20px;
  color: #3a302a;
}

.content-wall-body h3 {
  font-size: 1.08rem;
  font-weight: 700;
  margin-bottom: 6px;
  color: #2e2722;
}

.content-wall-body p {
  font-size: 0.9rem;
  opacity: 0.65;
  color: #5c4f44;
}

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

.faq-item {
  border: 1px solid rgba(200, 170, 140, 0.2);
  border-radius: 14px;
  margin-bottom: 10px;
  overflow: hidden;
  cursor: pointer;
  background: #fffdfa;
  transition: box-shadow 0.3s, border-color 0.3s;
}

.faq-item:hover {
  border-color: rgba(200, 132, 92, 0.3);
  box-shadow: 0 4px 16px rgba(180, 140, 110, 0.08);
}

.faq-item .faq-question {
  padding: 18px 22px;
  font-weight: 600;
  display: flex;
  justify-content: space-between;
  align-items: center;
  color: #2e2722;
  font-size: 1rem;
}

.faq-item .faq-question::after {
  content: '+';
  font-size: 1.3rem;
  font-weight: 300;
  color: #c8845c;
  transition: transform 0.3s;
}

.faq-item.open .faq-question::after {
  content: '−';
  transform: rotate(180deg);
}

.faq-item .faq-answer {
  padding: 0 22px 18px;
  display: none;
  opacity: 0.7;
  color: #5c4f44;
  font-size: 0.95rem;
  line-height: 1.7;
}

.faq-item.open .faq-answer {
  display: block;
  animation: fadeSlide 0.35s ease;
}

@keyframes fadeSlide {
  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: 22px;
  color: #fff;
  background: linear-gradient(135deg, #d4956b 0%, #c0714d 40%, #b0653f 100%);
  box-shadow: 0 16px 40px rgba(200, 132, 92, 0.35);
  position: relative;
  overflow: hidden;
}

.cta-banner::before {
  content: '';
  position: absolute;
  top: -60px;
  right: -60px;
  width: 240px;
  height: 240px;
  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(255,255,255,0.04);
  pointer-events: none;
}

.cta-banner h2 {
  color: #fff;
  font-size: 2rem;
  font-weight: 800;
  position: relative;
  z-index: 1;
}

.cta-banner p {
  color: rgba(255,255,255,0.85);
  position: relative;
  z-index: 1;
  margin-bottom: 28px;
  font-size: 1.05rem;
}

.cta-banner .btn-primary {
  background: #fff;
  color: #c0714d;
  box-shadow: 0 6px 20px rgba(0,0,0,0.15);
  position: relative;
  z-index: 1;
}

.cta-banner .btn-primary:hover {
  background: #fefdfb;
  box-shadow: 0 8px 28px rgba(0,0,0,0.2);
}

/* ---------- 页脚 ---------- */
.site-footer {
  padding: 60px 0 30px;
  background: #f5f0ea;
  color: #4a3d34;
  border-top: 1px solid rgba(200, 170, 140, 0.18);
}

.site-footer .container {
}

.footer-grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1fr;
  gap: 40px;
}

.footer-brand {
}

.footer-brand .logo {
  margin-bottom: 12px;
  font-size: 1.15rem;
}

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

.footer-col h4 {
  font-weight: 700;
  font-size: 0.95rem;
  margin-bottom: 14px;
  color: #2e2722;
  letter-spacing: 0.3px;
}

.footer-col a {
  display: block;
  text-decoration: none;
  color: #5c4f44;
  font-size: 0.88rem;
  padding: 4px 0;
  opacity: 0.7;
  transition: opacity 0.2s, color 0.2s;
}

.footer-col a:hover {
  opacity: 1;
  color: #c8845c;
}

.footer-bottom {
  border-top: 1px solid rgba(200, 170, 140, 0.2);
  margin-top: 44px;
  padding-top: 22px;
  text-align: center;
  font-size: 0.85rem;
  opacity: 0.55;
  color: #5c4f44;
}

/* ---------- 工具类 ---------- */
.text-accent {
  color: #c8845c !important;
}

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

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

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

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

/* ---------- 响应式 ---------- */
@media (max-width: 1024px) {
  .hero h1 {
    font-size: 2.6rem;
  }
  .section-title {
    font-size: 1.9rem;
  }
}

@media (max-width: 768px) {
  .feature-block {
    grid-template-columns: 1fr;
    gap: 36px;
  }
  .stats-bar {
    grid-template-columns: repeat(2, 1fr);
  }
  .footer-grid {
    grid-template-columns: 1fr 1fr;
    gap: 30px;
  }
  .main-nav {
    display: none;
  }
  .menu-toggle {
    display: flex;
  }
  .main-nav.open {
    display: flex;
    flex-direction: column;
    position: absolute;
    top: 68px;
    left: 0;
    width: 100%;
    background: rgba(250, 248, 245, 0.98);
    backdrop-filter: blur(16px);
    -webkit-backdrop-filter: blur(16px);
    padding: 24px;
    gap: 16px;
    border-bottom: 1px solid rgba(200, 170, 140, 0.2);
    box-shadow: 0 8px 30px rgba(180, 140, 110, 0.1);
  }
  .main-nav.open a {
    font-size: 1rem;
    padding: 6px 0;
  }
  .hero {
    min-height: auto;
    padding: 100px 0 60px;
  }
  .hero h1 {
    font-size: 2.2rem;
  }
  .hero p {
    font-size: 1rem;
  }
  .section {
    padding: 56px 0;
  }
  .section-title {
    font-size: 1.6rem;
  }
  .cta-banner {
    padding: 44px 20px;
  }
  .cta-banner h2 {
    font-size: 1.5rem;
  }
  .hero-buttons {
    gap: 12px;
  }
}

@media (max-width: 480px) {
  .cards-grid,
  .content-wall,
  .stats-bar {
    grid-template-columns: 1fr;
  }
  .footer-grid {
    grid-template-columns: 1fr;
    gap: 24px;
  }
  .hero-buttons {
    flex-direction: column;
    align-items: flex-start;
  }
  .btn {
    width: 100%;
    justify-content: center;
  }
  .hero h1 {
    font-size: 1.8rem;
  }
  .hero {
    padding: 90px 0 48px;
  }
  .section {
    padding: 40px 0;
  }
  .section-title {
    font-size: 1.4rem;
  }
  .stat-number {
    font-size: 2rem;
  }
  .category-card {
    padding: 24px 20px;
  }
  .footer-bottom {
    font-size: 0.8rem;
  }
  .container {
    padding: 0 16px;
  }
  .header-inner {
    padding: 0 16px;
  }
}

/* ---------- 暗色滚动条(可选优雅处理) ---------- */
::-webkit-scrollbar {
  width: 6px;
}
::-webkit-scrollbar-track {
  background: #faf8f5;
}
::-webkit-scrollbar-thumb {
  background: #d4b896;
  border-radius: 3px;
}
::-webkit-scrollbar-thumb:hover {
  background: #c8845c;
}

/* ---------- 选中文字样式 ---------- */
::selection {
  background: #f0d9c8;
  color: #3a302a;
}
::-moz-selection {
  background: #f0d9c8;
  color: #3a302a;
}