/* ============================================
   国际人娱乐导航 - 专属设计系统
   风格：暖光叠影 · 柔彩杂志风
   配色：蜜桃橙 + 青碧 + 暖白基底
   ============================================ */

/* --- 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: #FFFBF7;
  color: #2D3436;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}

/* --- 滚动条美化 --- */
::-webkit-scrollbar {
  width: 8px;
}
::-webkit-scrollbar-track {
  background: #FFF5EE;
}
::-webkit-scrollbar-thumb {
  background: #FF8A5C;
  border-radius: 4px;
}
::-webkit-scrollbar-thumb:hover {
  background: #e6754a;
}

/* --- 选中样式 --- */
::selection {
  background: #FF8A5C;
  color: #fff;
}

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

.section {
  padding: 100px 0;
  position: relative;
}

.section:nth-child(even) {
  background: #FFF5EE;
}

/* 装饰性斜角分割 */
.section::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  right: 0;
  height: 6px;
  background: linear-gradient(90deg, #FF8A5C, #2EC4B6, #FF8A5C);
  opacity: 0.15;
}
.section:last-child::after {
  display: none;
}

/* --- 导航 --- */
.site-header {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  z-index: 1000;
  background: rgba(255, 251, 247, 0.92);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  border-bottom: 1px solid rgba(255, 138, 92, 0.12);
  box-shadow: 0 2px 40px rgba(255, 138, 92, 0.06);
}

.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 72px;
  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: #2D3436;
  letter-spacing: -0.3px;
  transition: opacity 0.2s;
}
.logo:hover {
  opacity: 0.8;
}

.logo-icon {
  width: 40px;
  height: 40px;
  border-radius: 12px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.1rem;
  background: linear-gradient(135deg, #FF8A5C, #2EC4B6);
  color: #fff;
  box-shadow: 0 4px 12px rgba(255, 138, 92, 0.25);
  transition: transform 0.3s;
}
.logo:hover .logo-icon {
  transform: rotate(-5deg) scale(1.05);
}

.main-nav {
  display: flex;
  align-items: center;
  gap: 32px;
  list-style: none;
}

.main-nav a {
  text-decoration: none;
  font-size: 0.95rem;
  font-weight: 500;
  color: #2D3436;
  transition: all 0.25s;
  position: relative;
  padding-bottom: 4px;
}

.main-nav a:not(.nav-cta)::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  width: 0;
  height: 2px;
  background: #FF8A5C;
  border-radius: 2px;
  transition: width 0.3s;
}
.main-nav a:not(.nav-cta):hover::after {
  width: 100%;
}

.main-nav a:not(.nav-cta):hover {
  color: #FF8A5C;
}

.nav-cta {
  padding: 10px 24px;
  border-radius: 50px;
  color: #fff !important;
  font-weight: 600;
  background: linear-gradient(135deg, #FF8A5C, #e6754a);
  box-shadow: 0 4px 16px rgba(255, 138, 92, 0.3);
  transition: all 0.3s !important;
}
.nav-cta::after {
  display: none !important;
}
.nav-cta:hover {
  transform: translateY(-2px);
  box-shadow: 0 8px 24px rgba(255, 138, 92, 0.4);
  color: #fff !important;
}

.menu-toggle {
  display: none;
  flex-direction: column;
  gap: 5px;
  cursor: pointer;
  padding: 8px;
  border: none;
  background: none;
}
.menu-toggle span {
  display: block;
  width: 24px;
  height: 2.5px;
  background: #2D3436;
  border-radius: 4px;
  transition: all 0.3s;
}

/* --- 首页Hero --- */
.hero {
  min-height: 80vh;
  display: flex;
  align-items: center;
  position: relative;
  padding-top: 72px;
  background: 
    radial-gradient(ellipse at 85% 20%, rgba(46, 196, 182, 0.08) 0%, transparent 50%),
    radial-gradient(ellipse at 15% 80%, rgba(255, 138, 92, 0.08) 0%, transparent 50%),
    #FFFBF7;
}

.hero::before {
  content: '';
  position: absolute;
  top: -120px;
  right: -120px;
  width: 400px;
  height: 400px;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(255, 138, 92, 0.06), transparent 70%);
  pointer-events: none;
}

.hero-content {
  max-width: 720px;
  position: relative;
  z-index: 2;
}

.hero-eyebrow {
  display: inline-block;
  font-size: 0.8rem;
  font-weight: 700;
  letter-spacing: 3px;
  text-transform: uppercase;
  padding: 6px 18px;
  border-radius: 50px;
  margin-bottom: 20px;
  background: rgba(46, 196, 182, 0.12);
  color: #2EC4B6;
  border: 1px solid rgba(46, 196, 182, 0.2);
}

.hero h1 {
  font-size: 3.4rem;
  line-height: 1.15;
  margin-bottom: 20px;
  font-weight: 800;
  letter-spacing: -1px;
  background: linear-gradient(135deg, #2D3436 30%, #FF8A5C 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.hero p {
  font-size: 1.15rem;
  color: #636e72;
  max-width: 560px;
  margin-bottom: 36px;
  line-height: 1.8;
}

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

.hero-image {
  border-radius: 16px;
  overflow: hidden;
  box-shadow: 0 20px 60px rgba(255, 138, 92, 0.12);
}
.hero-image img {
  width: 100%;
  height: auto;
  display: block;
}

/* --- 按钮 --- */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  padding: 14px 32px;
  border-radius: 50px;
  font-weight: 600;
  font-size: 0.95rem;
  cursor: pointer;
  border: none;
  text-decoration: none;
  transition: all 0.3s;
  letter-spacing: 0.2px;
}

.btn-primary {
  color: #fff;
  background: linear-gradient(135deg, #FF8A5C, #e6754a);
  box-shadow: 0 4px 16px rgba(255, 138, 92, 0.3);
}
.btn-primary:hover {
  transform: translateY(-3px);
  box-shadow: 0 12px 32px rgba(255, 138, 92, 0.4);
}

.btn-outline {
  background: transparent;
  border: 2px solid #FF8A5C;
  color: #FF8A5C;
}
.btn-outline:hover {
  background: #FF8A5C;
  color: #fff;
  transform: translateY(-3px);
  box-shadow: 0 8px 24px rgba(255, 138, 92, 0.2);
}

/* --- 标签/标题 --- */
.section-label {
  display: inline-block;
  font-size: 0.75rem;
  font-weight: 700;
  letter-spacing: 3px;
  text-transform: uppercase;
  margin-bottom: 12px;
  color: #2EC4B6;
  padding: 4px 0;
  position: relative;
}
.section-label::before {
  content: '◆ ';
  color: #FF8A5C;
}

.section-title {
  font-size: 2.4rem;
  font-weight: 800;
  margin-bottom: 16px;
  letter-spacing: -0.5px;
  line-height: 1.2;
  color: #2D3436;
}

.section-desc {
  max-width: 600px;
  color: #636e72;
  margin-bottom: 48px;
  font-size: 1.05rem;
  line-height: 1.8;
}

/* --- 卡片网格 --- */
.cards-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
  gap: 28px;
}

.category-card {
  border-radius: 16px;
  padding: 32px 28px;
  background: #FFFFFF;
  border: 1px solid rgba(255, 138, 92, 0.08);
  transition: all 0.35s;
  position: relative;
  overflow: hidden;
}
.category-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 4px;
  background: linear-gradient(90deg, #FF8A5C, #2EC4B6);
  opacity: 0;
  transition: opacity 0.35s;
}
.category-card:hover {
  transform: translateY(-6px);
  box-shadow: 0 16px 48px rgba(255, 138, 92, 0.1);
  border-color: rgba(255, 138, 92, 0.2);
}
.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: 1.5rem;
  background: linear-gradient(135deg, rgba(255, 138, 92, 0.1), rgba(46, 196, 182, 0.1));
  color: #FF8A5C;
}

.category-card h3 {
  font-size: 1.2rem;
  font-weight: 700;
  margin-bottom: 10px;
  color: #2D3436;
}

.category-card p {
  color: #636e72;
  font-size: 0.9rem;
  line-height: 1.7;
  margin-bottom: 16px;
}

.card-link {
  font-weight: 600;
  font-size: 0.85rem;
  text-decoration: none;
  color: #FF8A5C;
  display: inline-flex;
  align-items: center;
  gap: 6px;
  transition: gap 0.3s;
}
.card-link::after {
  content: '→';
  transition: transform 0.3s;
}
.card-link:hover {
  gap: 12px;
}

/* --- 特性块 --- */
.feature-block {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 64px;
  align-items: center;
}

.feature-image {
  border-radius: 16px;
  overflow: hidden;
  box-shadow: 0 12px 40px rgba(0,0,0,0.06);
  transition: transform 0.4s;
}
.feature-image:hover {
  transform: scale(1.01);
}
.feature-image img {
  width: 100%;
  height: auto;
  display: block;
}

.feature-text h3 {
  font-size: 1.8rem;
  font-weight: 800;
  margin-bottom: 16px;
  line-height: 1.3;
}

.feature-text p {
  color: #636e72;
  line-height: 1.8;
  margin-bottom: 20px;
}

.feature-list {
  list-style: none;
  margin-top: 8px;
}
.feature-list li {
  padding: 8px 0;
  display: flex;
  align-items: center;
  gap: 12px;
  font-size: 0.95rem;
  color: #2D3436;
}
.feature-list li::before {
  content: '✓';
  font-weight: 700;
  color: #2EC4B6;
  font-size: 1.1rem;
  width: 24px;
  height: 24px;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: 50%;
  background: rgba(46, 196, 182, 0.1);
}

/* --- 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;
  background: #FFFFFF;
  border: 1px solid rgba(255, 138, 92, 0.06);
  transition: all 0.3s;
}
.stat-item:hover {
  transform: translateY(-4px);
  box-shadow: 0 12px 32px rgba(255, 138, 92, 0.08);
}

.stat-number {
  font-size: 2.6rem;
  font-weight: 800;
  background: linear-gradient(135deg, #FF8A5C, #2EC4B6);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  line-height: 1.2;
}

.stat-label {
  font-size: 0.9rem;
  color: #636e72;
  margin-top: 8px;
  font-weight: 500;
}

/* --- 内容墙 --- */
.content-wall {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
  gap: 28px;
}

.content-wall-item {
  border-radius: 16px;
  overflow: hidden;
  background: #FFFFFF;
  border: 1px solid rgba(255, 138, 92, 0.06);
  transition: all 0.35s;
}
.content-wall-item:hover {
  transform: translateY(-6px);
  box-shadow: 0 16px 48px rgba(255, 138, 92, 0.1);
}

.content-wall-item img {
  width: 100%;
  height: 220px;
  object-fit: cover;
  transition: transform 0.5s;
}
.content-wall-item:hover img {
  transform: scale(1.03);
}

.content-wall-body {
  padding: 24px;
}

.content-wall-body h4 {
  font-size: 1.1rem;
  font-weight: 700;
  margin-bottom: 8px;
  color: #2D3436;
}

.content-wall-body p {
  color: #636e72;
  font-size: 0.88rem;
  line-height: 1.7;
}

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

.faq-item {
  border: 1px solid rgba(255, 138, 92, 0.1);
  border-radius: 14px;
  margin-bottom: 12px;
  overflow: hidden;
  cursor: pointer;
  background: #FFFFFF;
  transition: all 0.3s;
}
.faq-item:hover {
  border-color: rgba(255, 138, 92, 0.2);
  box-shadow: 0 4px 16px rgba(255, 138, 92, 0.04);
}

.faq-item .faq-question {
  padding: 20px 24px;
  font-weight: 600;
  display: flex;
  justify-content: space-between;
  align-items: center;
  font-size: 1.05rem;
  color: #2D3436;
  transition: color 0.3s;
}
.faq-item .faq-question::after {
  content: '+';
  font-size: 1.4rem;
  font-weight: 300;
  color: #FF8A5C;
  transition: transform 0.3s;
}
.faq-item.open .faq-question::after {
  transform: rotate(45deg);
}
.faq-item.open .faq-question {
  color: #FF8A5C;
}

.faq-item .faq-answer {
  padding: 0 24px 20px;
  display: none;
  color: #636e72;
  line-height: 1.8;
}
.faq-item.open .faq-answer {
  display: block;
  animation: fadeSlideIn 0.3s ease;
}

@keyframes fadeSlideIn {
  from {
    opacity: 0;
    transform: translateY(-8px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

/* --- CTA横幅 --- */
.cta-banner {
  padding: 64px 32px;
  text-align: center;
  border-radius: 20px;
  background: linear-gradient(135deg, #FF8A5C, #e6754a);
  color: #fff;
  position: relative;
  overflow: hidden;
}
.cta-banner::before {
  content: '';
  position: absolute;
  top: -50%;
  right: -30%;
  width: 300px;
  height: 300px;
  border-radius: 50%;
  background: rgba(255,255,255,0.06);
  pointer-events: none;
}
.cta-banner::after {
  content: '';
  position: absolute;
  bottom: -40%;
  left: -20%;
  width: 250px;
  height: 250px;
  border-radius: 50%;
  background: rgba(255,255,255,0.04);
  pointer-events: none;
}

.cta-banner h2 {
  font-size: 2rem;
  font-weight: 800;
  color: #fff;
  margin-bottom: 12px;
  position: relative;
  z-index: 1;
}

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

.cta-banner .btn-primary {
  background: #fff;
  color: #FF8A5C;
  box-shadow: 0 4px 16px rgba(0,0,0,0.1);
}
.cta-banner .btn-primary:hover {
  transform: translateY(-3px);
  box-shadow: 0 12px 32px rgba(0,0,0,0.15);
}

/* --- 页脚 --- */
.site-footer {
  padding: 72px 0 32px;
  background: #2D3436;
  color: rgba(255,255,255,0.8);
  position: relative;
}

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

.footer-brand h3 {
  color: #fff;
  font-size: 1.3rem;
  font-weight: 700;
  margin-bottom: 12px;
}

.footer-brand p {
  color: rgba(255,255,255,0.6);
  font-size: 0.9rem;
  line-height: 1.8;
  max-width: 280px;
}

.footer-col h4 {
  color: #fff;
  font-size: 0.95rem;
  font-weight: 600;
  margin-bottom: 16px;
  letter-spacing: 0.5px;
}

.footer-col ul {
  list-style: none;
}
.footer-col ul li {
  margin-bottom: 10px;
}
.footer-col ul a {
  color: rgba(255,255,255,0.55);
  text-decoration: none;
  font-size: 0.88rem;
  transition: color 0.2s;
}
.footer-col ul a:hover {
  color: #FF8A5C;
}

.footer-bottom {
  border-top: 1px solid rgba(255,255,255,0.08);
  margin-top: 48px;
  padding-top: 24px;
  text-align: center;
  font-size: 0.85rem;
  color: rgba(255,255,255,0.4);
}

/* --- 工具类 --- */
.text-accent {
  color: #FF8A5C;
}

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

.seo-description {
  max-width: 600px;
  margin: 0 auto 48px;
  color: #636e72;
  line-height: 1.8;
}

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

/* --- 额外精致细节 --- */

/* 卡片网格内的标题统一 */
.category-card h3,
.content-wall-body h4 {
  transition: color 0.3s;
}
.category-card:hover h3 {
  color: #FF8A5C;
}

/* 特性块列表图标微调 */
.feature-list li::before {
  flex-shrink: 0;
}

/* 内容墙标签微调 */
.content-wall-body .tag {
  display: inline-block;
  font-size: 0.7rem;
  font-weight: 600;
  letter-spacing: 1px;
  text-transform: uppercase;
  color: #2EC4B6;
  background: rgba(46, 196, 182, 0.08);
  padding: 3px 10px;
  border-radius: 20px;
  margin-bottom: 10px;
}

/* 为hero添加装饰性圆点 */
.hero-decor {
  position: absolute;
  width: 12px;
  height: 12px;
  border-radius: 50%;
  background: #FF8A5C;
  opacity: 0.15;
}
.hero-decor:nth-child(1) {
  top: 20%;
  right: 15%;
  width: 80px;
  height: 80px;
  background: #2EC4B6;
}
.hero-decor:nth-child(2) {
  bottom: 25%;
  left: 8%;
  width: 50px;
  height: 50px;
  background: #FF8A5C;
}

/* 统计数字增加计数动画感 */
.stat-number {
  display: inline-block;
}

/* CTA区域的装饰 */
.cta-banner .btn-primary {
  position: relative;
  z-index: 2;
}

/* --- 响应式 --- */
@media (max-width: 1024px) {
  .hero h1 {
    font-size: 2.8rem;
  }
  .feature-block {
    gap: 40px;
  }
  .footer-grid {
    grid-template-columns: 1fr 1fr 1fr;
  }
}

@media (max-width: 768px) {
  .hero {
    min-height: 60vh;
    padding-top: 72px;
  }
  .hero h1 {
    font-size: 2.2rem;
  }
  .hero p {
    font-size: 1rem;
  }
  .feature-block {
    grid-template-columns: 1fr;
    gap: 32px;
  }
  .stats-bar {
    grid-template-columns: repeat(2, 1fr);
    gap: 16px;
  }
  .footer-grid {
    grid-template-columns: 1fr 1fr;
    gap: 32px;
  }
  .main-nav {
    display: none;
  }
  .menu-toggle {
    display: flex;
  }
  .main-nav.open {
    display: flex;
    flex-direction: column;
    position: absolute;
    top: 72px;
    left: 0;
    width: 100%;
    background: rgba(255, 251, 247, 0.98);
    backdrop-filter: blur(20px);
    padding: 24px;
    gap: 16px;
    border-bottom: 1px solid rgba(255, 138, 92, 0.1);
    box-shadow: 0 20px 40px rgba(0,0,0,0.04);
  }
  .main-nav.open a {
    padding: 10px 0;
  }
  .nav-cta {
    text-align: center;
    margin-top: 8px;
  }
  .section-title {
    font-size: 1.8rem;
  }
  .section {
    padding: 72px 0;
  }
  .cta-banner {
    padding: 48px 24px;
  }
  .cta-banner h2 {
    font-size: 1.6rem;
  }
}

@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;
  }
  .hero h1 {
    font-size: 1.8rem;
  }
  .hero-buttons .btn {
    width: 100%;
    justify-content: center;
  }
  .stat-number {
    font-size: 2rem;
  }
  .section-title {
    font-size: 1.5rem;
  }
  .feature-text h3 {
    font-size: 1.4rem;
  }
}