/* ---- Hero 内热门搜索 ---- */
.hero-hot {
  max-width: 560px;
  margin: 16px auto 0;
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  justify-content: center;
  align-items: center;
}
.hero-hot-label {
  font-size: 13px;
  color: rgba(255,255,255,0.7);
  white-space: nowrap;
}
.hero-hot a {
  display: inline-flex;
  align-items: center;
  gap: 3px;
  padding: 5px 12px;
  background: rgba(255,255,255,0.15);
  border: 1px solid rgba(255,255,255,0.25);
  border-radius: 20px;
  font-size: 13px;
  color: #fff;
  text-decoration: none;
  transition: all 0.2s;
  backdrop-filter: blur(4px);
}
.hero-hot a:hover {
  background: rgba(255,255,255,0.3);
  border-color: rgba(255,255,255,0.5);
}

/* ---- 资源总量 ---- */
.stats-section {
  max-width: 960px;
  width: 100%;
  margin: 36px auto 0;
  padding: 0 20px;
}
.stats-grid {
  display: grid;
  grid-template-columns: repeat(6, 1fr);
  gap: 14px;
  margin-top: 16px;
}
.stats-card {
  background: var(--card-bg);
  border-radius: var(--radius);
  border: 1px solid var(--border);
  box-shadow: var(--shadow);
  padding: 20px 16px;
  transition: all 0.25s;
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
  position: relative;
  overflow: hidden;
}
.stats-card:hover {
  border-color: var(--primary);
  box-shadow: var(--shadow-hover);
  transform: translateY(-2px);
}
/* 总量卡片：渐变高亮 */
.stats-card--total {
  background: var(--gradient);
  border: none;
  box-shadow: 0 6px 20px rgba(79,110,247,0.3);
}
.stats-card--total:hover {
  box-shadow: 0 10px 30px rgba(79,110,247,0.4);
  transform: translateY(-3px);
}
.stats-card-icon {
  width: 48px;
  height: 48px;
  border-radius: 12px;
  background: var(--primary-light);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 24px;
  margin-bottom: 10px;
  transition: transform 0.25s;
}
.stats-card:hover .stats-card-icon {
  transform: scale(1.1);
}
/* 总量卡片图标用半透明白底 */
.stats-card--total .stats-card-icon {
  background: rgba(255,255,255,0.25);
}
.stats-card-num {
  font-size: 28px;
  font-weight: 800;
  color: var(--primary);
  line-height: 1.2;
}
.stats-card-unit {
  font-size: 14px;
  font-weight: 600;
  color: var(--primary);
}
/* 总量卡片文字用白色 */
.stats-card--total .stats-card-num,
.stats-card--total .stats-card-unit {
  color: #fff;
}
.stats-card-label {
  font-size: 14px;
  font-weight: 600;
  color: var(--text-main);
  margin-top: 6px;
}
.stats-card--total .stats-card-label {
  color: rgba(255,255,255,0.95);
}
.stats-card-desc {
  font-size: 12px;
  color: var(--text-light);
  margin-top: 4px;
  line-height: 1.5;
}
.stats-card--total .stats-card-desc {
  color: rgba(255,255,255,0.8);
}

/* ---- 资源分类 ---- */
.category-section {
  max-width: 960px;
  width: 100%;
  margin: 36px auto 0;
  padding: 0 20px;
}
.category-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 14px;
  margin-top: 16px;
}
.category-card {
  background: var(--card-bg);
  border-radius: var(--radius);
  border: 1px solid var(--border);
  box-shadow: var(--shadow);
  padding: 20px 16px;
  text-decoration: none;
  color: inherit;
  transition: all 0.25s;
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
}
.category-card:hover {
  border-color: var(--primary);
  box-shadow: var(--shadow-hover);
  transform: translateY(-2px);
}
.category-icon {
  width: 48px;
  height: 48px;
  border-radius: 12px;
  background: var(--primary-light);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 24px;
  margin-bottom: 10px;
  transition: transform 0.25s;
}
.category-card:hover .category-icon {
  transform: scale(1.1);
}
.category-name {
  font-size: 15px;
  font-weight: 600;
  color: var(--text-main);
  margin-bottom: 4px;
}
.category-card:hover .category-name {
  color: var(--primary);
}
.category-desc {
  font-size: 12px;
  color: var(--text-light);
  line-height: 1.5;
}

/* ---- 网盘平台卡片 ---- */
.platform-section {
  max-width: 960px;
  width: 100%;
  margin: 36px auto 0;
  padding: 0 20px;
}
.platform-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 16px;
  margin-top: 16px;
}
.platform-card {
  background: var(--card-bg);
  border-radius: var(--radius);
  border: 1px solid var(--border);
  box-shadow: var(--shadow);
  padding: 24px 20px;
  transition: all 0.25s;
  position: relative;
  overflow: hidden;
}
.platform-card::before {
  content: "";
  position: absolute;
  top: 0; left: 0; right: 0;
  height: 4px;
  background: var(--gradient);
  opacity: 0;
  transition: opacity 0.25s;
}
.platform-card:hover {
  border-color: var(--primary);
  box-shadow: var(--shadow-hover);
  transform: translateY(-2px);
}
.platform-card:hover::before { opacity: 1; }
.platform-num {
  font-size: 13px;
  font-weight: 700;
  color: var(--text-light);
  letter-spacing: 1px;
  margin-bottom: 10px;
}
.platform-name {
  font-size: 18px;
  font-weight: 700;
  color: var(--text-main);
  margin-bottom: 4px;
}
.platform-tags {
  display: flex;
  gap: 6px;
  flex-wrap: wrap;
  margin-bottom: 12px;
}
.platform-tag {
  font-size: 11px;
  font-weight: 600;
  color: var(--primary);
  background: var(--primary-light);
  padding: 3px 8px;
  border-radius: 6px;
}
.platform-desc {
  font-size: 13px;
  color: var(--text-sub);
  line-height: 1.7;
  margin-bottom: 16px;
}
.platform-link {
  display: inline-flex;
  align-items: center;
  gap: 4px;
  font-size: 13px;
  font-weight: 600;
  color: var(--primary);
  text-decoration: none;
  transition: gap 0.2s;
}
.platform-link:hover { gap: 8px; }

/* ---- 关于我们 ---- */
.about-section {
  max-width: 960px;
  width: 100%;
  margin: 36px auto 0;
  padding: 0 20px;
}
.about-card {
  background: var(--card-bg);
  border-radius: var(--radius);
  border: 1px solid var(--border);
  box-shadow: var(--shadow);
  overflow: hidden;
}
.about-body {
  padding: 24px;
}
.about-intro {
  font-size: 14px;
  color: var(--text-sub);
  line-height: 1.8;
  margin-bottom: 20px;
}
.about-intro strong {
  color: var(--primary);
  font-weight: 600;
}
.about-features {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 12px;
}
.about-feature {
  text-align: center;
  padding: 16px 12px;
  background: var(--primary-light);
  border-radius: 10px;
  transition: transform 0.2s;
}
.about-feature:hover { transform: translateY(-2px); }
.about-feature-icon {
  font-size: 28px;
  margin-bottom: 8px;
}
.about-feature-title {
  font-size: 14px;
  font-weight: 600;
  color: var(--text-main);
  margin-bottom: 4px;
}
.about-feature-desc {
  font-size: 12px;
  color: var(--text-light);
  line-height: 1.5;
}
.about-footer {
  padding: 16px 24px;
  background: #fafafa;
  border-top: 1px solid var(--border);
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 10px;
}
.about-contact {
  font-size: 13px;
  color: var(--text-light);
}
.about-contact a {
  color: var(--primary);
  text-decoration: none;
}
.about-contact a:hover { text-decoration: underline; }
.about-links {
  display: flex;
  gap: 16px;
}
.about-links a {
  font-size: 13px;
  color: var(--text-sub);
  text-decoration: none;
  transition: color 0.2s;
}
.about-links a:hover { color: var(--primary); }

/* ---- 响应式 ---- */
@media (max-width: 700px) {
  .stats-grid { grid-template-columns: repeat(2, 1fr); }
  .category-grid { grid-template-columns: repeat(2, 1fr); }
  .platform-grid { grid-template-columns: 1fr; }
  .about-features { grid-template-columns: repeat(2, 1fr); }
}
@media (max-width: 480px) {
  .stats-grid { grid-template-columns: repeat(2, 1fr); }
  .category-grid { grid-template-columns: 1fr; }
  .about-features { grid-template-columns: 1fr; }
}