@charset "utf-8";
/**
 * social-new.css - 自媒体平台页极简风格
 * 设计理念: 与首页/产品/新闻页统一 - 极简留白 + 大字体轻量化 + 克制微交互
 */

/* ========== 0. 防溢出基础 ========== */
html {
  overflow-x: hidden;
}

/* ========== 1. Page Banner - 页面横幅 ========== */
.page-banner {
  position: relative;
  height: 320px;
  overflow: hidden;
  background: #f8f9fa;
}
.page-banner__image {
  position: absolute;
  width: 100%;
  height: 100%;
  object-fit: cover;
}
.page-banner__content {
  position: absolute;
  inset: 0;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  background: rgba(0,0,0,0.35);
  color: #fff;
  text-align: center;
  padding: 20px;
}
.page-banner__title {
  font-size: clamp(2rem, 5vw, 3rem);
  font-weight: 300;
  letter-spacing: 0.08em;
  margin: 0 0 12px;
}
.page-banner__subtitle {
  font-size: 15px;
  font-weight: 300;
  opacity: 0.9;
  margin: 0;
}

/* ========== 2. Breadcrumb - 面包屑 ========== */
.breadcrumb-nav {
  background: #fff;
  border-bottom: 1px solid #f0f0f0;
  padding: 18px 0;
  font-size: 13px;
  color: #999;
}
.breadcrumb-nav .container {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 6px;
}
.breadcrumb-nav .home-icon {
  width: 16px;
  height: 16px;
  stroke: currentColor;
  stroke-width: 1.5;
  fill: none;
  margin-right: 2px;
}
.breadcrumb-nav a {
  color: #666;
  text-decoration: none;
  transition: color 0.3s ease;
}
.breadcrumb-nav a:hover {
  color: var(--color-primary, #EF3B1B);
}
.breadcrumb-nav .separator {
  color: #ccc;
  font-size: 12px;
}
.breadcrumb-nav .current {
  color: #333;
}

/* ========== 3. Social Section - 主内容区 ========== */
.social-section {
  background: #fff;
  padding: 70px 0;
}

/* ========== 4. Section Header ========== */
.section-header {
  text-align: center;
  margin-bottom: 50px;
}
.section-title {
  font-size: clamp(1.8rem, 4vw, 2.5rem);
  font-weight: 300;
  color: #1a1a1a;
  letter-spacing: 0.05em;
  margin: 0 0 15px;
}
.section-divider {
  width: 40px;
  height: 2px;
  background: var(--color-primary, #EF3B1B);
  margin: 0 auto;
}

/* ========== 5. Platform Category ========== */
.platform-category {
  margin-bottom: 50px;
}
.platform-category:last-child {
  margin-bottom: 0;
}
.category-title {
  font-size: 20px;
  font-weight: 500;
  color: #333;
  margin: 0 0 25px;
  padding-left: 15px;
  border-left: 3px solid var(--color-primary, #EF3B1B);
}

/* ========== 6. Platform Grid ========== */
.platform-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 20px;
}
.platform-card {
  background: #f8f9fa;
  padding: 30px 20px;
  text-align: center;
  text-decoration: none;
  transition: all 0.4s ease;
  display: block;
}
.platform-card:hover {
  background: #fff;
  box-shadow: 0 15px 40px rgba(0,0,0,0.08);
  transform: translateY(-5px);
}
.platform-card__icon {
  width: 60px;
  height: 60px;
  margin: 0 auto 15px;
  display: flex;
  align-items: center;
  justify-content: center;
}
.platform-card__icon img {
  width: 50px;
  height: 50px;
  object-fit: contain;
}
.platform-card__name {
  font-size: 16px;
  font-weight: 500;
  color: #333;
  margin: 0 0 8px;
}
.platform-card__desc {
  font-size: 13px;
  color: #888;
  margin: 0;
  line-height: 1.5;
}

/* ========== 7. Stats Section ========== */
.social-stats {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 30px;
  padding: 50px 0;
  margin-top: 50px;
  border-top: 1px solid #f0f0f0;
}
.stat-item {
  text-align: center;
}
.stat-number {
  font-size: clamp(2rem, 4vw, 3rem);
  font-weight: 200;
  color: var(--color-primary, #EF3B1B);
  line-height: 1;
  margin-bottom: 10px;
}
.stat-label {
  font-size: 14px;
  color: #666;
}

/* ========== 8. Tip Section ========== */
.social-tip {
  text-align: center;
  padding: 30px;
  background: #f8f9fa;
  margin-top: 30px;
}
.social-tip__icon {
  width: 24px;
  height: 24px;
  stroke: var(--color-primary, #EF3B1B);
  stroke-width: 2;
  fill: none;
  vertical-align: middle;
  margin-right: 8px;
}
.social-tip__text {
  font-size: 14px;
  color: #666;
  margin: 0;
  display: inline;
}

/* ========== 9. Responsive ========== */
@media (max-width: 1199.98px) {
  .page-banner {
    height: 280px;
  }
  .social-section {
    padding: 60px 0;
  }
  .platform-grid {
    grid-template-columns: repeat(3, 1fr);
  }
}

@media (max-width: 991.98px) {
  .page-banner {
    height: 240px;
  }
  .platform-grid {
    grid-template-columns: repeat(2, 1fr);
  }
  .social-stats {
    gap: 20px;
  }
}

@media (max-width: 767.98px) {
  .page-banner {
    height: 200px;
  }
  .page-banner__title {
    font-size: 1.5rem;
  }
  .breadcrumb-nav {
    padding: 12px 0;
    font-size: 12px;
  }
  .social-section {
    padding: 50px 0;
  }
  .section-header {
    margin-bottom: 35px;
  }
  .section-title {
    font-size: 1.5rem;
  }
  .platform-category {
    margin-bottom: 40px;
  }
  .category-title {
    font-size: 18px;
  }
  .platform-grid {
    grid-template-columns: 1fr 1fr;
    gap: 15px;
  }
  .platform-card {
    padding: 25px 15px;
  }
  .platform-card__icon {
    width: 50px;
    height: 50px;
  }
  .platform-card__icon img {
    width: 40px;
    height: 40px;
  }
  .platform-card__name {
    font-size: 14px;
  }
  .platform-card__desc {
    font-size: 12px;
  }
  .social-stats {
    grid-template-columns: repeat(3, 1fr);
    gap: 15px;
    padding: 35px 0;
  }
  .stat-number {
    font-size: 1.8rem;
  }
  .stat-label {
    font-size: 12px;
  }
}

@media (max-width: 575.98px) {
  .page-banner {
    height: 160px;
  }
  .page-banner__title {
    font-size: 1.25rem;
  }
  .page-banner__subtitle {
    font-size: 13px;
  }
  .platform-grid {
    grid-template-columns: 1fr 1fr;
  }
}