/* statement.css - 服务协议页面样式 */
:root {
  --primary-blue: #1a73e8;
  --primary-dark: #0d47a1;
  --text-dark: #333;
  --text-light: #666;
  --bg-light: #f8f9fa;
  --border-color: #e0e0e0;
}

* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

body {
  font-family: 'Noto Sans SC', sans-serif;
  line-height: 1.8;
  color: var(--text-dark);
  background: var(--bg-light);
}

.container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 20px;
}

/* 头部导航 */
header {
  background: white;
  box-shadow: 0 2px 10px rgba(0,0,0,0.1);
  position: sticky;
  top: 0;
  z-index: 100;
}

.header-container {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 15px 0;
}

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

.logo-icon {
  width: 45px;
  height: 45px;
  background: linear-gradient(135deg, var(--primary-blue), var(--primary-dark));
  border-radius: 10px;
  display: flex;
  align-items: center;
  justify-content: center;
  color: white;
  font-weight: 700;
  font-size: 18px;
}

.logo-text h1 {
  font-size: 20px;
  color: var(--primary-blue);
}

.logo-text p {
  font-size: 12px;
  color: var(--text-light);
}

.nav-links {
  display: flex;
  gap: 30px;
}

.nav-links a {
  text-decoration: none;
  color: var(--text-dark);
  font-weight: 500;
  transition: color 0.3s;
}

.nav-links a:hover,
.nav-links a.active {
  color: var(--primary-blue);
}

.header-actions {
  display: flex;
  align-items: center;
  gap: 15px;
}

.mobile-menu-btn {
  display: none;
  background: none;
  border: none;
  font-size: 1.5rem;
  color: var(--primary-blue);
  cursor: pointer;
}

/* 面包屑 */
.breadcrumb {
  background: white;
  padding: 15px 0;
  border-bottom: 1px solid var(--border-color);
}

.breadcrumb-content {
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: 14px;
  color: var(--text-light);
}

.breadcrumb a {
  color: var(--text-light);
  text-decoration: none;
}

.breadcrumb a:hover {
  color: var(--primary-blue);
}

.breadcrumb .current {
  color: var(--text-dark);
}

/* 页面标题 */
.page-header {
  text-align: center;
  padding: 40px 0;
}

.page-title {
  font-size: 32px;
  color: var(--primary-blue);
  margin-bottom: 10px;
}

.page-subtitle {
  font-size: 16px;
  color: var(--text-light);
}

/* 主内容区域 */
.statement-container {
  display: grid;
  grid-template-columns: 250px 1fr;
  gap: 30px;
  padding-bottom: 60px;
}

/* 左侧导航 */
.statement-nav {
  background: white;
  border-radius: 12px;
  padding: 20px;
  box-shadow: 0 2px 10px rgba(0,0,0,0.05);
  position: sticky;
  top: 100px;
  height: fit-content;
}

.statement-nav h3 {
  font-size: 16px;
  color: var(--primary-blue);
  margin-bottom: 15px;
  padding-bottom: 10px;
  border-bottom: 2px solid var(--primary-blue);
}

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

.nav-list li {
  margin-bottom: 5px;
}

.nav-list a {
  display: block;
  padding: 12px 15px;
  color: var(--text-dark);
  text-decoration: none;
  border-radius: 8px;
  transition: all 0.3s;
}

.nav-list a:hover,
.nav-list a.active {
  background: #e3f2fd;
  color: var(--primary-blue);
}

.nav-list a i {
  margin-right: 10px;
  width: 20px;
}

/* 内容区域 */
.statement-content {
  background: white;
  border-radius: 12px;
  padding: 40px;
  box-shadow: 0 2px 10px rgba(0,0,0,0.05);
}

.statement-section {
  margin-bottom: 50px;
}

.statement-section:last-child {
  margin-bottom: 0;
}

.section-title {
  font-size: 24px;
  color: var(--primary-blue);
  margin-bottom: 20px;
  padding-bottom: 15px;
  border-bottom: 2px solid var(--border-color);
  display: flex;
  align-items: center;
  gap: 10px;
}

.section-title i {
  font-size: 28px;
}

.statement-section h3 {
  font-size: 18px;
  color: var(--text-dark);
  margin: 25px 0 15px;
}

.statement-section p {
  margin-bottom: 15px;
  color: var(--text-light);
  text-align: justify;
}

.statement-section ul {
  margin: 15px 0;
  padding-left: 25px;
}

.statement-section li {
  margin-bottom: 10px;
  color: var(--text-light);
}

.update-info {
  margin-top: 30px;
  padding: 20px;
  background: var(--bg-light);
  border-radius: 8px;
  font-size: 14px;
  color: var(--text-light);
}

.update-info strong {
  color: var(--text-dark);
}

.warning-text {
  color: #e53935;
}

/* 底部 */
footer {
  background: #1a1a2e;
  color: #fff;
  padding: 50px 0 30px;
}

.footer-content {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 40px;
  margin-bottom: 40px;
}

.footer-column h3 {
  font-size: 16px;
  margin-bottom: 20px;
  color: #fff;
}

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

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

.footer-column a {
  color: rgba(255,255,255,0.7);
  text-decoration: none;
  font-size: 14px;
  transition: color 0.3s;
}

.footer-column a:hover {
  color: #fff;
}

.footer-bottom {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding-top: 30px;
  border-top: 1px solid rgba(255,255,255,0.1);
}

.footer-disclaimer {
  font-size: 13px;
  color: rgba(255,255,255,0.5);
}

.social-links {
  display: flex;
  gap: 15px;
}

.social-links a {
  width: 36px;
  height: 36px;
  background: rgba(255,255,255,0.1);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  color: #fff;
  transition: all 0.3s;
}

.social-links a:hover {
  background: var(--primary-blue);
}

/* 响应式 */
@media (max-width: 900px) {
  .statement-container {
    grid-template-columns: 1fr;
  }

  .statement-nav {
    position: static;
  }

  .nav-list {
    display: flex;
    flex-wrap: wrap;
    gap: 10px;
  }

  .nav-list li {
    margin: 0;
  }

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

@media (max-width: 600px) {
  .nav-links {
    display: none;
  }

  .mobile-menu-btn {
    display: block;
  }

  .statement-content {
    padding: 20px;
  }

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

  .footer-bottom {
    flex-direction: column;
    gap: 20px;
    text-align: center;
  }
}