/* ============================================
   亚星游戏官网 - 全站样式
   ============================================ */

/* --- CSS 变量 --- */
:root {
  --color-bg-primary: #0a0e1a;
  --color-bg-secondary: #111827;
  --color-bg-card: #1a2236;
  --color-border: #2a3550;
  --color-text-primary: #e8ecf4;
  --color-text-secondary: #9aa5bd;
  --color-accent: #d4a843;
  --color-accent-hover: #e6c260;
  --color-accent-dim: rgba(212, 168, 67, 0.15);
  --color-blue: #3b82f6;
  --color-blue-dim: rgba(59, 130, 246, 0.12);
  --font-heading: 'PingFang SC', 'Microsoft YaHei', 'Helvetica Neue', sans-serif;
  --font-body: 'PingFang SC', 'Microsoft YaHei', 'Helvetica Neue', sans-serif;
  --container-width: 1200px;
  --header-height: 72px;
}

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

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

body {
  font-family: var(--font-body);
  background-color: var(--color-bg-primary);
  color: var(--color-text-primary);
  line-height: 1.7;
  min-height: 100vh;
  display: flex;
  flex-direction: column;
}

a {
  color: var(--color-accent);
  text-decoration: none;
  transition: color 0.25s ease;
}

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

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

ul, ol {
  list-style: none;
}

/* --- 容器 --- */
.container {
  max-width: var(--container-width);
  margin: 0 auto;
  padding: 0 24px;
  width: 100%;
}

/* --- 顶部导航 --- */
.site-header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  height: var(--header-height);
  background: rgba(10, 14, 26, 0.92);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--color-border);
  z-index: 1000;
}

.site-header .container {
  height: 100%;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.brand {
  display: flex;
  align-items: center;
  gap: 12px;
}

.brand-logo {
  width: 40px;
  height: 40px;
  border-radius: 8px;
  object-fit: contain;
}

.brand-name {
  font-size: 1.25rem;
  font-weight: 700;
  color: var(--color-text-primary);
  letter-spacing: 1px;
}

.brand-name span {
  color: var(--color-accent);
}

.main-nav ul {
  display: flex;
  gap: 8px;
}

.main-nav a {
  display: block;
  padding: 8px 16px;
  color: var(--color-text-secondary);
  font-size: 0.95rem;
  font-weight: 500;
  border-radius: 6px;
  transition: all 0.25s ease;
}

.main-nav a:hover,
.main-nav a.active {
  color: var(--color-accent);
  background: var(--color-accent-dim);
}

.nav-toggle {
  display: none;
  background: none;
  border: none;
  color: var(--color-text-primary);
  font-size: 1.5rem;
  cursor: pointer;
  padding: 8px;
}

/* --- Hero 区域 --- */
.hero {
  margin-top: var(--header-height);
  position: relative;
  min-height: 520px;
  display: flex;
  align-items: center;
  background: linear-gradient(135deg, rgba(10, 14, 26, 0.85) 0%, rgba(17, 24, 39, 0.75) 100%), url('../pic/hero-bg.jpg');
  background-size: cover;
  background-position: center;
  background-repeat: no-repeat;
}

.hero-content {
  max-width: 680px;
  padding: 80px 0;
}

.hero-title {
  font-size: 3rem;
  font-weight: 800;
  line-height: 1.2;
  margin-bottom: 20px;
  letter-spacing: 1px;
}

.hero-title .highlight {
  color: var(--color-accent);
}

.hero-desc {
  font-size: 1.125rem;
  color: var(--color-text-secondary);
  margin-bottom: 32px;
  line-height: 1.8;
}

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

/* --- 按钮 --- */
.btn {
  display: inline-block;
  padding: 12px 32px;
  border-radius: 8px;
  font-size: 1rem;
  font-weight: 600;
  text-align: center;
  cursor: pointer;
  transition: all 0.25s ease;
  border: none;
}

.btn-primary {
  background: linear-gradient(135deg, var(--color-accent) 0%, #b8922e 100%);
  color: #0a0e1a;
}

.btn-primary:hover {
  background: linear-gradient(135deg, var(--color-accent-hover) 0%, var(--color-accent) 100%);
  color: #0a0e1a;
  transform: translateY(-2px);
  box-shadow: 0 8px 24px rgba(212, 168, 67, 0.3);
}

.btn-outline {
  background: transparent;
  color: var(--color-text-primary);
  border: 1px solid var(--color-border);
}

.btn-outline:hover {
  border-color: var(--color-accent);
  color: var(--color-accent);
}

/* --- 通用 Section --- */
.section {
  padding: 80px 0;
}

.section-alt {
  background: var(--color-bg-secondary);
}

.section-header {
  text-align: center;
  margin-bottom: 56px;
}

.section-tag {
  display: inline-block;
  font-size: 0.85rem;
  color: var(--color-accent);
  letter-spacing: 3px;
  text-transform: uppercase;
  margin-bottom: 12px;
  font-weight: 600;
}

.section-title {
  font-size: 2.25rem;
  font-weight: 700;
  margin-bottom: 16px;
  letter-spacing: 1px;
}

.section-desc {
  font-size: 1.05rem;
  color: var(--color-text-secondary);
  max-width: 640px;
  margin: 0 auto;
  line-height: 1.8;
}

/* --- 游戏产品卡片 --- */
.game-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 28px;
}

.game-card {
  background: var(--color-bg-card);
  border-radius: 12px;
  overflow: hidden;
  border: 1px solid var(--color-border);
  transition: all 0.3s ease;
}

.game-card:hover {
  transform: translateY(-6px);
  border-color: var(--color-accent);
  box-shadow: 0 16px 40px rgba(0, 0, 0, 0.4);
}

.game-card-img {
  width: 100%;
  height: 220px;
  object-fit: cover;
}

.game-card-body {
  padding: 24px;
}

.game-card-tag {
  display: inline-block;
  font-size: 0.75rem;
  padding: 4px 12px;
  border-radius: 20px;
  background: var(--color-blue-dim);
  color: var(--color-blue);
  margin-bottom: 12px;
  font-weight: 600;
}

.game-card-title {
  font-size: 1.25rem;
  font-weight: 700;
  margin-bottom: 8px;
}

.game-card-desc {
  font-size: 0.9rem;
  color: var(--color-text-secondary);
  line-height: 1.7;
  margin-bottom: 16px;
}

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

.stat-item {
  padding: 32px 16px;
}

.stat-number {
  font-size: 2.5rem;
  font-weight: 800;
  color: var(--color-accent);
  line-height: 1;
  margin-bottom: 8px;
}

.stat-label {
  font-size: 0.9rem;
  color: var(--color-text-secondary);
}

/* --- 优势列表 --- */
.feature-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 32px;
}

.feature-item {
  display: flex;
  gap: 20px;
  padding: 28px;
  background: var(--color-bg-card);
  border-radius: 12px;
  border: 1px solid var(--color-border);
}

.feature-icon {
  flex-shrink: 0;
  width: 52px;
  height: 52px;
  border-radius: 10px;
  background: var(--color-accent-dim);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.5rem;
}

.feature-title {
  font-size: 1.1rem;
  font-weight: 700;
  margin-bottom: 8px;
}

.feature-desc {
  font-size: 0.9rem;
  color: var(--color-text-secondary);
  line-height: 1.7;
}

/* --- 新闻列表 --- */
.news-list {
  display: flex;
  flex-direction: column;
  gap: 24px;
}

.news-item {
  display: flex;
  background: var(--color-bg-card);
  border-radius: 12px;
  overflow: hidden;
  border: 1px solid var(--color-border);
  transition: all 0.25s ease;
}

.news-item:hover {
  border-color: var(--color-accent);
  transform: translateX(4px);
}

.news-item-img {
  width: 280px;
  flex-shrink: 0;
  object-fit: cover;
}

.news-item-body {
  padding: 24px 28px;
  display: flex;
  flex-direction: column;
  justify-content: center;
}

.news-item-date {
  font-size: 0.8rem;
  color: var(--color-accent);
  margin-bottom: 8px;
  font-weight: 600;
}

.news-item-title {
  font-size: 1.15rem;
  font-weight: 700;
  margin-bottom: 8px;
  color: var(--color-text-primary);
}

.news-item-excerpt {
  font-size: 0.9rem;
  color: var(--color-text-secondary);
  line-height: 1.7;
}

/* --- 页脚 --- */
.site-footer {
  margin-top: auto;
  background: var(--color-bg-secondary);
  border-top: 1px solid var(--color-border);
  padding: 56px 0 24px;
}

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

.footer-brand p {
  color: var(--color-text-secondary);
  font-size: 0.9rem;
  line-height: 1.8;
  margin-top: 16px;
  max-width: 320px;
}

.footer-col h4 {
  font-size: 1rem;
  font-weight: 700;
  margin-bottom: 16px;
  color: var(--color-text-primary);
}

.footer-col ul li {
  margin-bottom: 10px;
}

.footer-col a {
  color: var(--color-text-secondary);
  font-size: 0.9rem;
}

.footer-col a:hover {
  color: var(--color-accent);
}

.footer-bottom {
  border-top: 1px solid var(--color-border);
  padding-top: 24px;
  text-align: center;
  color: var(--color-text-secondary);
  font-size: 0.85rem;
}

/* --- 页面头部横幅（内页） --- */
.page-banner {
  margin-top: var(--header-height);
  padding: 80px 0;
  background: linear-gradient(135deg, rgba(10, 14, 26, 0.9) 0%, rgba(26, 34, 54, 0.85) 100%), url('../pic/about-bg.jpg');
  background-size: cover;
  background-position: center;
  text-align: center;
}

.page-banner h1 {
  font-size: 2.5rem;
  font-weight: 800;
  margin-bottom: 12px;
  letter-spacing: 2px;
}

.page-banner p {
  color: var(--color-text-secondary);
  font-size: 1.05rem;
}

/* --- 关于我们时间线 --- */
.timeline {
  position: relative;
  max-width: 800px;
  margin: 0 auto;
  padding: 40px 0;
}

.timeline::before {
  content: '';
  position: absolute;
  left: 50%;
  top: 0;
  bottom: 0;
  width: 2px;
  background: var(--color-border);
  transform: translateX(-50%);
}

.timeline-item {
  position: relative;
  padding: 24px 40px;
  width: 50%;
}

.timeline-item:nth-child(odd) {
  left: 0;
  text-align: right;
}

.timeline-item:nth-child(even) {
  left: 50%;
}

.timeline-dot {
  position: absolute;
  top: 32px;
  width: 14px;
  height: 14px;
  border-radius: 50%;
  background: var(--color-accent);
  border: 3px solid var(--color-bg-primary);
}

.timeline-item:nth-child(odd) .timeline-dot {
  right: -7px;
}

.timeline-item:nth-child(even) .timeline-dot {
  left: -7px;
}

.timeline-year {
  font-size: 1.5rem;
  font-weight: 800;
  color: var(--color-accent);
  margin-bottom: 8px;
}

.timeline-content h4 {
  font-size: 1.1rem;
  font-weight: 700;
  margin-bottom: 6px;
}

.timeline-content p {
  font-size: 0.9rem;
  color: var(--color-text-secondary);
  line-height: 1.7;
}

/* --- 联系表单 --- */
.contact-wrap {
  display: grid;
  grid-template-columns: 1fr 1.5fr;
  gap: 48px;
}

.contact-info-card {
  background: var(--color-bg-card);
  border-radius: 12px;
  padding: 32px;
  border: 1px solid var(--color-border);
}

.contact-info-item {
  display: flex;
  gap: 16px;
  margin-bottom: 24px;
  align-items: flex-start;
}

.contact-info-item:last-child {
  margin-bottom: 0;
}

.contact-info-icon {
  width: 44px;
  height: 44px;
  border-radius: 8px;
  background: var(--color-accent-dim);
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
  font-size: 1.2rem;
}

.contact-info-label {
  font-size: 0.85rem;
  color: var(--color-text-secondary);
  margin-bottom: 4px;
}

.contact-info-value {
  font-size: 1rem;
  font-weight: 600;
}

.contact-form {
  background: var(--color-bg-card);
  border-radius: 12px;
  padding: 32px;
  border: 1px solid var(--color-border);
}

.form-group {
  margin-bottom: 20px;
}

.form-group label {
  display: block;
  font-size: 0.9rem;
  font-weight: 600;
  margin-bottom: 8px;
}

.form-control {
  width: 100%;
  padding: 12px 16px;
  background: var(--color-bg-primary);
  border: 1px solid var(--color-border);
  border-radius: 8px;
  color: var(--color-text-primary);
  font-size: 0.95rem;
  font-family: var(--font-body);
  transition: border-color 0.25s ease;
}

.form-control:focus {
  outline: none;
  border-color: var(--color-accent);
}

textarea.form-control {
  min-height: 140px;
  resize: vertical;
}

/* --- 客户背书卡片 --- */
.testimonial-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 28px;
}

.testimonial-card {
  background: var(--color-bg-card);
  border-radius: 12px;
  padding: 32px;
  border: 1px solid var(--color-border);
  transition: all 0.3s ease;
}

.testimonial-card:hover {
  border-color: var(--color-accent);
  transform: translateY(-4px);
}

.testimonial-quote {
  font-size: 1rem;
  line-height: 1.8;
  color: var(--color-text-secondary);
  margin-bottom: 24px;
  font-style: italic;
}

.testimonial-quote::before {
  content: '"';
  font-size: 2rem;
  color: var(--color-accent);
  line-height: 0;
  margin-right: 4px;
  vertical-align: -8px;
}

.testimonial-author {
  display: flex;
  align-items: center;
  gap: 12px;
}

.testimonial-avatar {
  width: 48px;
  height: 48px;
  border-radius: 50%;
  background: linear-gradient(135deg, var(--color-accent) 0%, #b8922e 100%);
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 700;
  color: #0a0e1a;
  font-size: 1.1rem;
}

.testimonial-name {
  font-weight: 700;
  font-size: 0.95rem;
}

.testimonial-role {
  font-size: 0.8rem;
  color: var(--color-text-secondary);
}

/* --- 合作伙伴logo墙 --- */
.partner-grid {
  display: grid;
  grid-template-columns: repeat(6, 1fr);
  gap: 20px;
  align-items: center;
}

.partner-item {
  aspect-ratio: 2/1;
  background: var(--color-bg-card);
  border: 1px solid var(--color-border);
  border-radius: 8px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 700;
  font-size: 1.1rem;
  color: var(--color-text-secondary);
  transition: all 0.25s ease;
  letter-spacing: 1px;
}

.partner-item:hover {
  color: var(--color-accent);
  border-color: var(--color-accent);
}

/* --- CTA 区域 --- */
.cta-section {
  background: linear-gradient(135deg, rgba(212, 168, 67, 0.1) 0%, rgba(212, 168, 67, 0.05) 100%);
  border-top: 1px solid var(--color-accent-dim);
  border-bottom: 1px solid var(--color-accent-dim);
  text-align: center;
  padding: 64px 0;
}

.cta-section h2 {
  font-size: 2rem;
  font-weight: 700;
  margin-bottom: 12px;
}

.cta-section p {
  color: var(--color-text-secondary);
  margin-bottom: 28px;
  font-size: 1.05rem;
}

/* --- 核心业务详情 --- */
.business-detail {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 48px;
  align-items: center;
  margin-bottom: 64px;
}

.business-detail:nth-child(even) .business-img-wrap {
  order: 2;
}

.business-img-wrap {
  border-radius: 12px;
  overflow: hidden;
  border: 1px solid var(--color-border);
}

.business-img-wrap img {
  width: 100%;
  height: 320px;
  object-fit: cover;
}

.business-text h3 {
  font-size: 1.5rem;
  font-weight: 700;
  margin-bottom: 16px;
}

.business-text p {
  color: var(--color-text-secondary);
  line-height: 1.8;
  margin-bottom: 16px;
}

.business-text ul {
  margin-top: 16px;
}

.business-text ul li {
  padding-left: 24px;
  position: relative;
  margin-bottom: 8px;
  color: var(--color-text-secondary);
  font-size: 0.95rem;
}

.business-text ul li::before {
  content: '';
  position: absolute;
  left: 0;
  top: 10px;
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--color-accent);
}

/* --- 响应式 --- */
@media (max-width: 968px) {
  .game-grid,
  .testimonial-grid {
    grid-template-columns: repeat(2, 1fr);
  }

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

  .feature-grid {
    grid-template-columns: 1fr;
  }

  .partner-grid {
    grid-template-columns: repeat(3, 1fr);
  }

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

  .contact-wrap {
    grid-template-columns: 1fr;
  }

  .business-detail {
    grid-template-columns: 1fr;
  }

  .business-detail:nth-child(even) .business-img-wrap {
    order: 0;
  }

  .timeline::before {
    left: 20px;
  }

  .timeline-item,
  .timeline-item:nth-child(odd),
  .timeline-item:nth-child(even) {
    width: 100%;
    left: 0;
    text-align: left;
    padding-left: 56px;
    padding-right: 0;
  }

  .timeline-item:nth-child(odd) .timeline-dot,
  .timeline-item:nth-child(even) .timeline-dot {
    left: 13px;
    right: auto;
  }

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

  .section-title {
    font-size: 1.8rem;
  }

  .news-item {
    flex-direction: column;
  }

  .news-item-img {
    width: 100%;
    height: 200px;
  }
}

@media (max-width: 640px) {
  .main-nav {
    display: none;
    position: absolute;
    top: var(--header-height);
    left: 0;
    right: 0;
    background: var(--color-bg-secondary);
    border-bottom: 1px solid var(--color-border);
    padding: 16px 24px;
  }

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

  .main-nav ul {
    flex-direction: column;
    gap: 4px;
  }

  .nav-toggle {
    display: block;
  }

  .game-grid,
  .testimonial-grid,
  .partner-grid,
  .footer-grid {
    grid-template-columns: 1fr;
  }

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

  .section {
    padding: 56px 0;
  }

  .hero-content {
    padding: 56px 0;
  }
}