/* ============================================
   征途国际娱乐 — 设计系统
   风格：暖沙赤陶 × 深青石 — 大地旅人
   ============================================ */

:root {
  --cream: #faf8f5;
  --sand: #f3efe8;
  --warm-white: #fefcf9;
  --terracotta: #c75b3a;
  --terracotta-light: #e07b5a;
  --terracotta-deep: #a3442a;
  --terracotta-pale: #fdf0eb;
  --teal: #1a5f63;
  --teal-light: #2a7f84;
  --teal-pale: #e6f2f2;
  --teal-deep: #124548;
  --gold: #c8963e;
  --gold-light: #d9ad5e;
  --gold-pale: #fcf7ef;
  --text-primary: #3d3029;
  --text-secondary: #6b5d53;
  --text-muted: #9a8c82;
  --border: #e8e0d5;
  --border-light: #f0ebe2;
  --shadow-sm: 0 2px 8px rgba(61,48,41,0.06);
  --shadow-md: 0 6px 24px rgba(61,48,41,0.10);
  --shadow-lg: 0 12px 40px rgba(61,48,41,0.14);
  --shadow-terracotta: 0 4px 18px rgba(199,91,58,0.22);
  --radius-sm: 8px;
  --radius-md: 12px;
  --radius-lg: 18px;
  --radius-xl: 24px;
  --transition: 0.25s cubic-bezier(0.4, 0, 0.2, 1);
  --transition-slow: 0.4s cubic-bezier(0.25, 0.1, 0.25, 1);
}

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

body {
  font-family: system-ui, 'PingFang SC', 'Microsoft YaHei', 'Noto Sans SC', sans-serif;
  overflow-x: hidden;
  background: var(--cream);
  color: var(--text-primary);
  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: var(--warm-white);
}

.section:nth-child(odd) {
  background: var(--cream);
}

/* ========== 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(14px);
  -webkit-backdrop-filter: blur(14px);
  border-bottom: 1px solid var(--border-light);
  transition: var(--transition);
}

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

.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: var(--text-primary);
  letter-spacing: -0.3px;
  transition: var(--transition);
}

.logo:hover {
  color: var(--terracotta);
}

.logo-icon {
  width: 38px;
  height: 38px;
  border-radius: 10px;
  background: linear-gradient(135deg, var(--terracotta), var(--terracotta-light));
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1rem;
  color: #fff;
  font-weight: 800;
  letter-spacing: 0;
  box-shadow: 0 2px 8px rgba(199,91,58,0.25);
  transition: var(--transition);
}

.logo:hover .logo-icon {
  transform: scale(1.05);
  box-shadow: 0 4px 14px rgba(199,91,58,0.35);
}

.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: var(--text-secondary);
  transition: var(--transition);
  position: relative;
  padding: 4px 0;
}

.main-nav a::after {
  content: '';
  position: absolute;
  bottom: -2px;
  left: 0;
  width: 0;
  height: 2px;
  background: var(--terracotta);
  border-radius: 1px;
  transition: var(--transition);
}

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

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

.nav-cta {
  padding: 10px 22px !important;
  border-radius: 25px !important;
  color: #fff !important;
  font-weight: 600 !important;
  background: linear-gradient(135deg, var(--terracotta), var(--terracotta-light));
  box-shadow: 0 3px 12px rgba(199,91,58,0.25);
  transition: var(--transition);
  letter-spacing: 0.2px;
}

.nav-cta:hover {
  transform: translateY(-2px);
  box-shadow: 0 6px 20px rgba(199,91,58,0.35);
  color: #fff !important;
}

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

.menu-toggle {
  display: none;
  flex-direction: column;
  gap: 5px;
  cursor: pointer;
  padding: 8px;
  background: transparent;
  border: none;
  z-index: 1001;
}

.menu-toggle span {
  display: block;
  width: 26px;
  height: 2.5px;
  background: var(--text-primary);
  border-radius: 2px;
  transition: var(--transition);
}

.menu-toggle.active span:nth-child(1) {
  transform: rotate(45deg) translate(5px, 5px);
}

.menu-toggle.active span:nth-child(2) {
  opacity: 0;
}

.menu-toggle.active span:nth-child(3) {
  transform: rotate(-45deg) translate(5px, -5px);
}

/* ========== Hero ========== */
.hero {
  min-height: 70vh;
  display: flex;
  align-items: center;
  padding: 100px 0 60px;
  background: var(--cream);
  position: relative;
  overflow: hidden;
}

.hero::before {
  content: '';
  position: absolute;
  top: -180px;
  right: -120px;
  width: 500px;
  height: 500px;
  background: radial-gradient(circle, rgba(199,91,58,0.06) 0%, transparent 70%);
  border-radius: 50%;
  pointer-events: none;
}

.hero::after {
  content: '';
  position: absolute;
  bottom: -100px;
  left: -80px;
  width: 350px;
  height: 350px;
  background: radial-gradient(circle, rgba(26,95,99,0.05) 0%, transparent 70%);
  border-radius: 50%;
  pointer-events: none;
}

.hero .container {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 56px;
  align-items: center;
  position: relative;
  z-index: 1;
}

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

.hero-eyebrow {
  display: inline-block;
  font-size: 0.82rem;
  font-weight: 700;
  padding: 5px 16px;
  border-radius: 20px;
  margin-bottom: 18px;
  background: var(--terracotta-pale);
  color: var(--terracotta);
  letter-spacing: 1.5px;
  text-transform: uppercase;
}

.hero h1 {
  font-size: 3rem;
  line-height: 1.18;
  margin-bottom: 22px;
  font-weight: 800;
  color: var(--text-primary);
  letter-spacing: -0.6px;
}

.hero h1 .highlight {
  color: var(--terracotta);
  position: relative;
}

.hero h1 .highlight::after {
  content: '';
  position: absolute;
  bottom: 2px;
  left: 0;
  width: 100%;
  height: 8px;
  background: var(--terracotta-pale);
  border-radius: 4px;
  z-index: -1;
  opacity: 0.6;
}

.hero p {
  font-size: 1.12rem;
  opacity: 0.75;
  max-width: 560px;
  margin-bottom: 34px;
  color: var(--text-secondary);
  line-height: 1.7;
}

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

.hero-image {
  border-radius: var(--radius-lg);
  overflow: hidden;
  position: relative;
  box-shadow: var(--shadow-lg);
  transition: var(--transition-slow);
}

.hero-image::after {
  content: '';
  position: absolute;
  top: 16px;
  left: 16px;
  right: -8px;
  bottom: -8px;
  border: 2px solid var(--terracotta);
  border-radius: var(--radius-lg);
  z-index: -1;
  opacity: 0.3;
}

.hero-image:hover {
  transform: translateY(-6px);
  box-shadow: 0 20px 50px rgba(61,48,41,0.18);
}

.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: 25px;
  font-weight: 600;
  cursor: pointer;
  border: none;
  text-decoration: none;
  transition: var(--transition);
  font-size: 0.95rem;
  letter-spacing: 0.2px;
  position: relative;
  overflow: hidden;
}

.btn-primary {
  color: #fff;
  background: linear-gradient(135deg, var(--terracotta), var(--terracotta-light));
  box-shadow: 0 4px 16px rgba(199,91,58,0.28);
}

.btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 8px 24px rgba(199,91,58,0.38);
  background: linear-gradient(135deg, var(--terracotta-deep), var(--terracotta));
}

.btn-outline {
  background: transparent;
  border: 1.8px solid var(--terracotta);
  color: var(--terracotta);
}

.btn-outline:hover {
  background: var(--terracotta-pale);
  border-color: var(--terracotta-deep);
  color: var(--terracotta-deep);
  transform: translateY(-2px);
}

/* ========== 标签/标题 ========== */
.section-label {
  display: inline-block;
  font-size: 0.78rem;
  font-weight: 700;
  letter-spacing: 2.5px;
  margin-bottom: 14px;
  color: var(--terracotta);
  text-transform: uppercase;
  position: relative;
  padding-left: 28px;
}

.section-label::before {
  content: '';
  position: absolute;
  left: 0;
  top: 50%;
  transform: translateY(-50%);
  width: 18px;
  height: 2px;
  background: var(--terracotta);
  border-radius: 1px;
}

.section-title {
  font-size: 2.1rem;
  margin-bottom: 16px;
  font-weight: 750;
  color: var(--text-primary);
  letter-spacing: -0.4px;
  line-height: 1.25;
}

.section-desc {
  max-width: 600px;
  opacity: 0.7;
  margin-bottom: 44px;
  color: var(--text-secondary);
  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: 24px;
}

.category-card {
  border-radius: var(--radius-md);
  padding: 30px 26px;
  border: 1px solid var(--border);
  background: #fff;
  transition: var(--transition);
  position: relative;
  overflow: hidden;
}

.category-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 3px;
  background: linear-gradient(90deg, var(--terracotta), var(--gold));
  opacity: 0;
  transition: var(--transition);
}

.category-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-md);
  border-color: transparent;
}

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

.card-icon {
  width: 50px;
  height: 50px;
  border-radius: 12px;
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 18px;
  font-size: 1.4rem;
  background: var(--terracotta-pale);
  color: var(--terracotta);
  transition: var(--transition);
}

.category-card:hover .card-icon {
  background: var(--terracotta);
  color: #fff;
  transform: scale(1.08);
}

.category-card h3 {
  font-size: 1.1rem;
  font-weight: 700;
  margin-bottom: 8px;
  color: var(--text-primary);
}

.category-card p {
  font-size: 0.9rem;
  color: var(--text-muted);
  margin-bottom: 14px;
  line-height: 1.6;
}

.card-link {
  font-weight: 600;
  font-size: 0.85rem;
  text-decoration: none;
  color: var(--terracotta);
  display: inline-flex;
  align-items: center;
  gap: 5px;
  transition: var(--transition);
}

.card-link:hover {
  gap: 10px;
  color: var(--terracotta-deep);
}

/* ========== 特性块 ========== */
.feature-block {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 56px;
  align-items: center;
}

.feature-image {
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: var(--shadow-md);
  transition: var(--transition);
  position: relative;
}

.feature-image::before {
  content: '';
  position: absolute;
  inset: 0;
  border-radius: var(--radius-lg);
  border: 2px solid var(--gold);
  opacity: 0;
  transition: var(--transition);
  z-index: 2;
  pointer-events: none;
}

.feature-image:hover::before {
  opacity: 0.5;
  inset: 8px;
}

.feature-image img {
  width: 100%;
  height: auto;
  display: block;
  transition: var(--transition-slow);
}

.feature-image:hover img {
  transform: scale(1.03);
}

.feature-text h3 {
  font-size: 1.6rem;
  font-weight: 700;
  margin-bottom: 12px;
  color: var(--text-primary);
}

.feature-text p {
  color: var(--text-secondary);
  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: var(--text-secondary);
}

.feature-list li::before {
  content: '✓';
  font-weight: 700;
  color: var(--terracotta);
  font-size: 1rem;
  flex-shrink: 0;
  width: 22px;
  height: 22px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--terracotta-pale);
  border-radius: 50%;
}

/* ========== 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: var(--radius-md);
  border: 1px solid var(--border);
  background: #fff;
  transition: var(--transition);
  position: relative;
}

.stat-item:hover {
  transform: translateY(-3px);
  box-shadow: var(--shadow-md);
  border-color: transparent;
}

.stat-number {
  font-size: 2.4rem;
  font-weight: 800;
  color: var(--terracotta);
  letter-spacing: -1px;
  line-height: 1.1;
}

.stat-label {
  font-size: 0.9rem;
  opacity: 0.65;
  margin-top: 8px;
  color: var(--text-muted);
  font-weight: 500;
  letter-spacing: 0.3px;
}

/* ========== 内容墙 ========== */
.content-wall {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
  gap: 24px;
}

.content-wall-item {
  border-radius: var(--radius-md);
  overflow: hidden;
  border: 1px solid var(--border);
  transition: var(--transition);
  background: #fff;
}

.content-wall-item:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-md);
  border-color: transparent;
}

.content-wall-item img {
  width: 100%;
  height: 200px;
  object-fit: cover;
  transition: var(--transition-slow);
}

.content-wall-item:hover img {
  transform: scale(1.06);
}

.content-wall-body {
  padding: 20px 22px;
}

.content-wall-body h4 {
  font-size: 1.05rem;
  font-weight: 700;
  margin-bottom: 6px;
  color: var(--text-primary);
}

.content-wall-body p {
  font-size: 0.88rem;
  color: var(--text-muted);
  line-height: 1.6;
}

.content-wall-body .card-link {
  margin-top: 8px;
}

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

.faq-item {
  border: 1px solid var(--border);
  border-radius: 10px;
  margin-bottom: 8px;
  overflow: hidden;
  cursor: pointer;
  background: #fff;
  transition: var(--transition);
}

.faq-item:hover {
  border-color: var(--terracotta);
  box-shadow: var(--shadow-sm);
}

.faq-item .faq-question {
  padding: 17px 22px;
  font-weight: 600;
  display: flex;
  justify-content: space-between;
  align-items: center;
  color: var(--text-primary);
  font-size: 0.98rem;
  transition: var(--transition);
}

.faq-item .faq-question::after {
  content: '+';
  font-size: 1.3rem;
  font-weight: 400;
  color: var(--terracotta);
  transition: var(--transition);
  flex-shrink: 0;
  margin-left: 12px;
}

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

.faq-item .faq-answer {
  padding: 0 22px 18px;
  display: none;
  opacity: 0.7;
  color: var(--text-secondary);
  font-size: 0.9rem;
  line-height: 1.7;
}

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

.faq-item.open {
  border-color: var(--terracotta);
  box-shadow: 0 2px 12px rgba(199,91,58,0.08);
}

.faq-item.open .faq-question {
  color: var(--terracotta);
}

/* ========== CTA横幅 ========== */
.cta-banner {
  padding: 60px 24px;
  text-align: center;
  border-radius: var(--radius-lg);
  color: #fff;
  background: linear-gradient(135deg, var(--teal), var(--teal-light));
  position: relative;
  overflow: hidden;
}

.cta-banner::before {
  content: '';
  position: absolute;
  top: -60px;
  right: -40px;
  width: 220px;
  height: 220px;
  background: radial-gradient(circle, rgba(255,255,255,0.1) 0%, transparent 70%);
  border-radius: 50%;
  pointer-events: none;
}

.cta-banner::after {
  content: '';
  position: absolute;
  bottom: -40px;
  left: -30px;
  width: 160px;
  height: 160px;
  background: radial-gradient(circle, rgba(255,255,255,0.08) 0%, transparent 70%);
  border-radius: 50%;
  pointer-events: none;
}

.cta-banner h2 {
  color: #fff;
  font-size: 2rem;
  font-weight: 750;
  margin-bottom: 12px;
  position: relative;
  z-index: 1;
}

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

.cta-banner .btn-primary {
  background: #fff;
  color: var(--teal);
  box-shadow: 0 4px 16px rgba(0,0,0,0.1);
  position: relative;
  z-index: 1;
}

.cta-banner .btn-primary:hover {
  background: var(--cream);
  color: var(--teal-deep);
  box-shadow: 0 8px 24px rgba(0,0,0,0.15);
  transform: translateY(-2px);
}

/* ========== 页脚 ========== */
.site-footer {
  padding: 56px 0 28px;
  background: #f3efe8;
  color: var(--text-primary);
  border-top: 1px solid var(--border);
}

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

.footer-brand .logo {
  margin-bottom: 14px;
}

.footer-brand p {
  font-size: 0.9rem;
  color: var(--text-muted);
  line-height: 1.7;
}

.footer-col h4 {
  font-size: 0.95rem;
  font-weight: 700;
  margin-bottom: 16px;
  color: var(--text-primary);
  letter-spacing: 0.3px;
}

.footer-col a {
  display: block;
  text-decoration: none;
  color: var(--text-muted);
  font-size: 0.88rem;
  padding: 5px 0;
  transition: var(--transition);
}

.footer-col a:hover {
  color: var(--terracotta);
  padding-left: 4px;
}

.footer-bottom {
  border-top: 1px solid var(--border);
  margin-top: 40px;
  padding-top: 20px;
  text-align: center;
  font-size: 0.85rem;
  color: var(--text-muted);
}

/* ========== 工具类 ========== */
.text-accent {
  color: var(--terracotta);
}

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

.seo-description {
  max-width: 600px;
  margin: 0 auto 48px;
  opacity: 0.7;
  color: var(--text-secondary);
  line-height: 1.7;
}

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

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

/* ========== 响应式 ========== */
@media (max-width: 1024px) {
  .hero .container {
    gap: 36px;
  }
  
  .hero h1 {
    font-size: 2.4rem;
  }
  
  .stats-bar {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (max-width: 768px) {
  .hero .container {
    grid-template-columns: 1fr;
    text-align: center;
  }

  .hero-content {
    max-width: 100%;
    order: 1;
  }

  .hero-image {
    order: 0;
    max-width: 400px;
    margin: 0 auto;
  }

  .hero p {
    max-width: 100%;
    margin-left: auto;
    margin-right: auto;
  }

  .hero-buttons {
    justify-content: center;
  }

  .hero h1 {
    font-size: 2rem;
  }

  .section-title {
    font-size: 1.6rem;
  }

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

  .feature-image {
    order: -1;
  }

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

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

  .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(14px);
    -webkit-backdrop-filter: blur(14px);
    padding: 24px;
    gap: 8px;
    border-bottom: 1px solid var(--border);
    box-shadow: var(--shadow-md);
  }

  .main-nav.open a {
    padding: 12px 16px;
    font-size: 1rem;
    display: block;
    border-radius: var(--radius-sm);
  }

  .main-nav.open a:hover {
    background: var(--terracotta-pale);
  }

  .main-nav.open .nav-cta {
    text-align: center;
    margin-top: 8px;
    display: block;
  }

  .cards-grid {
    grid-template-columns: repeat(auto-fill, minmax(220px, 1fr));
  }

  .content-wall {
    grid-template-columns: repeat(auto-fill, minmax(240px, 1fr));
  }

  .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: 24px;
  }

  .hero-buttons {
    flex-direction: column;
    align-items: center;
  }

  .hero-buttons .btn {
    width: 100%;
    justify-content: center;
  }

  .hero h1 {
    font-size: 1.7rem;
  }

  .section-title {
    font-size: 1.4rem;
  }

  .hero {
    min-height: 60vh;
    padding: 90px 0 40px;
  }

  .section {
    padding: 50px 0;
  }

  .category-card {
    padding: 22px 18px;
  }

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

  .cta-banner {
    padding: 40px 18px;
  }

  .cta-banner h2 {
    font-size: 1.3rem;
  }

  .faq-item .faq-question {
    font-size: 0.9rem;
    padding: 14px 16px;
  }

  .faq-item .faq-answer {
    padding: 0 16px 14px;
    font-size: 0.85rem;
  }

  .header-inner {
    padding: 0 16px;
  }

  .container {
    padding: 0 16px;
  }
}

/* ========== 额外细节 ========== */
::selection {
  background: var(--terracotta-pale);
  color: var(--terracotta-deep);
}

::-webkit-scrollbar {
  width: 8px;
}

::-webkit-scrollbar-track {
  background: var(--cream);
}

::-webkit-scrollbar-thumb {
  background: var(--border);
  border-radius: 4px;
}

::-webkit-scrollbar-thumb:hover {
  background: var(--text-muted);
}

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

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

a:hover {
  color: var(--terracotta-deep);
}

/* 微妙的装饰分割线 */
.section-divider {
  width: 60px;
  height: 3px;
  background: linear-gradient(90deg, var(--terracotta), var(--gold));
  border-radius: 2px;
  margin: 0 auto 32px;
}

/* 针对空状态的优雅处理 */
.category-card:empty,
.content-wall-item:empty {
  display: none;
}