/* ============================================================
   首页样式 · 北京明汉科技零售电商
   完全重写，覆盖原云服务风格
   ============================================================ */

/* ---- 通用区块标题 ---- */
.section { padding: 70px 0; }
.section-soft { background: var(--mh-bg-soft); }
.section-content { padding: 0 20px; max-width: 1400px; margin: 0 auto; }
.section-head {
  display: flex;
  align-items: flex-end;
  justify-content: space-between;
  margin-bottom: 44px;
}
.section-h2 {
  font-size: 32px;
  font-weight: 600;
  font-family: var(--mh-font-display);
  color: var(--mh-text-1);
  line-height: 1.3;
  position: relative;
  padding-left: 18px;
}
.section-h2::before {
  content: '';
  position: absolute;
  left: 0;
  top: 50%;
  transform: translateY(-50%);
  width: 5px;
  height: 28px;
  background: var(--mh-primary);
  border-radius: 3px;
}
.section-sub {
  font-size: 15px;
  color: var(--mh-text-3);
  margin-top: 12px;
}
.section-more {
  font-size: 14px;
  color: var(--mh-text-2);
  display: flex;
  align-items: center;
  gap: 4px;
  transition: color var(--mh-dur) var(--mh-ease);
  flex-shrink: 0;
}
.section-more:hover { color: var(--mh-primary); }
.section-more .iconfont { font-size: 13px; }

/* ============ Hero Banner ============ */
.hero { margin-top: 0; }
.hero-swiper { width: 100%; }
.hero-slide-main { position: relative; height: 520px; overflow: hidden; }
.hero-img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}
.hero-mask {
  position: absolute;
  inset: 0;
  background: linear-gradient(90deg, rgba(44,36,25,0.55) 0%, rgba(44,36,25,0.25) 50%, rgba(44,36,25,0) 100%);
}
.hero-content {
  position: absolute;
  left: 12%;
  top: 50%;
  transform: translateY(-50%);
  color: #fff;
  max-width: 540px;
  z-index: 2;
}
.hero-eyebrow {
  display: inline-block;
  font-size: 13px;
  letter-spacing: 2px;
  color: var(--mh-accent);
  padding: 6px 16px;
  border: 1px solid rgba(201,168,118,0.6);
  border-radius: var(--mh-radius-pill);
  margin-bottom: 24px;
}
.hero-title {
  font-size: 52px;
  font-weight: 600;
  font-family: var(--mh-font-display);
  line-height: 1.2;
  margin-bottom: 22px;
  letter-spacing: 2px;
}
.hero-desc {
  font-size: 16px;
  line-height: 2;
  color: rgba(255,255,255,0.85);
  margin-bottom: 36px;
}
.hero-btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 14px 36px;
  background: var(--mh-primary);
  color: #fff;
  font-size: 15px;
  font-weight: 500;
  border-radius: var(--mh-radius-pill);
  transition: all var(--mh-dur) var(--mh-ease);
}
.hero-btn:hover {
  background: var(--mh-primary-hover);
  color: #fff;
  transform: translateY(-2px);
  box-shadow: 0 8px 20px rgba(107,68,35,0.35);
}
.hero-pagination .swiper-pagination-bullet {
  width: 28px;
  height: 4px;
  border-radius: 2px;
  background: rgba(255,255,255,0.5);
  opacity: 1;
}
.hero-pagination .swiper-pagination-bullet-active {
  background: #fff;
  width: 40px;
}

/* ============ 快速分类入口 ============ */
.category-quick { padding: 56px 0 30px; }
.cat-quick-grid {
  /* flex + 居中换行：最后一行不足一排时居中显示，避免 9 项在 7 列网格里右侧留 5 个空位 */
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 16px;
}
.cat-quick-item {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 14px;
  /* 默认每行 7 个：(100% - 6*gap) / 7 */
  flex: 0 0 calc((100% - 96px) / 7);
  box-sizing: border-box;
  padding: 30px 10px;
  background: var(--mh-bg-card);
  border-radius: var(--mh-radius-lg);
  border: 1px solid var(--mh-line);
  transition: all var(--mh-dur) var(--mh-ease);
  cursor: pointer;
}
.cat-quick-item:hover {
  transform: translateY(-4px);
  box-shadow: var(--mh-shadow-md);
  border-color: var(--mh-accent-light);
}
.cat-quick-icon {
  width: 64px;
  height: 64px;
  border-radius: 50%;
  background: var(--mh-bg-soft);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 28px;
  color: var(--mh-primary);
  transition: all var(--mh-dur) var(--mh-ease);
}
.cat-quick-item:hover .cat-quick-icon {
  background: var(--mh-primary);
  color: #fff;
  transform: scale(1.05);
}
.cat-quick-name {
  font-size: 14px;
  font-weight: 500;
  color: var(--mh-text-1);
}

/* ============ 品牌理念横幅 ============ */
.brand-banner {
  background: var(--mh-bg-dark);
  color: #fff;
  padding: 0;
}
.brand-banner-inner {
  display: grid;
  grid-template-columns: 1.2fr 1fr;
  gap: 60px;
  align-items: center;
  padding: 90px 20px !important;
}
.brand-banner-text .bb-eyebrow {
  font-size: 13px;
  letter-spacing: 3px;
  color: var(--mh-accent);
  text-transform: uppercase;
}
.brand-banner-text .bb-title {
  font-size: 38px;
  font-weight: 600;
  font-family: var(--mh-font-display);
  line-height: 1.4;
  margin: 20px 0 24px;
}
.brand-banner-text .bb-desc {
  font-size: 15px;
  line-height: 2;
  color: rgba(255,255,255,0.7);
  margin-bottom: 32px;
}
.brand-banner-text .bb-link {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  color: var(--mh-accent);
  font-size: 15px;
  padding-bottom: 6px;
  border-bottom: 1px solid var(--mh-accent);
  transition: gap var(--mh-dur) var(--mh-ease);
}
.brand-banner-text .bb-link:hover { gap: 12px; }
.brand-banner-img {
  height: 420px;
  border-radius: var(--mh-radius-lg);
  overflow: hidden;
}
.brand-banner-img img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

/* ============ 限时特惠倒计时 ============ */
.countdown {
  display: flex;
  align-items: center;
  gap: 6px;
  flex-shrink: 0;
}
.countdown .cd-label {
  font-size: 13px;
  color: var(--mh-text-3);
  margin-right: 8px;
}
.countdown .cd-num {
  min-width: 38px;
  height: 38px;
  line-height: 38px;
  text-align: center;
  background: var(--mh-bg-dark);
  color: #fff;
  font-size: 16px;
  font-weight: 600;
  border-radius: var(--mh-radius-md);
  font-family: var(--mh-font-body);
}
.countdown .cd-colon {
  font-size: 16px;
  font-weight: 600;
  color: var(--mh-text-2);
}

/* ============ 新闻资讯 ============ */
.news-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 40px;
}
.news-col {
  background: var(--mh-bg-card);
  border-radius: var(--mh-radius-lg);
  border: 1px solid var(--mh-line);
  overflow: hidden;
}
.news-col-head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 24px 28px;
  border-bottom: 1px solid var(--mh-line);
}
.news-col-title {
  font-size: 18px;
  font-weight: 600;
  color: var(--mh-text-1);
  position: relative;
  padding-left: 14px;
}
.news-col-title::before {
  content: '';
  position: absolute;
  left: 0;
  top: 50%;
  transform: translateY(-50%);
  width: 4px;
  height: 18px;
  background: var(--mh-primary);
  border-radius: 2px;
}
.news-more {
  font-size: 13px;
  color: var(--mh-text-3);
  display: flex;
  align-items: center;
  gap: 3px;
}
.news-more:hover { color: var(--mh-primary); }
.news-list {
  padding: 8px 28px 24px;
  min-height: 220px;
}
.news-list .news-item {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 16px 0;
  border-bottom: 1px dashed var(--mh-line);
  cursor: pointer;
  transition: padding var(--mh-dur) var(--mh-ease);
}
.news-list .news-item:hover {
  padding-left: 6px;
}
.news-list .news-item:last-child { border-bottom: none; }
.news-list .news-item .ni-title {
  font-size: 14px;
  color: var(--mh-text-2);
  flex: 1;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
  transition: color var(--mh-dur) var(--mh-ease);
}
.news-list .news-item:hover .ni-title { color: var(--mh-primary); }
.news-list .news-item .ni-date {
  font-size: 12px;
  color: var(--mh-text-4);
  margin-left: 16px;
  flex-shrink: 0;
}

/* 新闻占位静态项（无 JS 时显示） */
.news-list:empty::after {
  content: '暂无内容';
  display: block;
  text-align: center;
  color: var(--mh-text-4);
  padding: 60px 0;
  font-size: 14px;
}

/* 兼容 index.js AJAX 渲染的旧结构（.number/.title/.time） */
.news-list .news-item .number {
  width: 22px;
  height: 22px;
  line-height: 22px;
  text-align: center;
  font-size: 12px;
  font-weight: 600;
  color: #fff;
  background: var(--mh-text-4);
  border-radius: var(--mh-radius-sm);
  margin-right: 12px;
  flex-shrink: 0;
}
.news-list .news-item:first-child .number,
.news-list .news-item:nth-child(2) .number,
.news-list .news-item:nth-child(3) .number {
  background: var(--mh-primary);
}
.news-list .news-item .title {
  font-size: 14px;
  color: var(--mh-text-2);
  transition: color var(--mh-dur) var(--mh-ease);
}
.news-list .news-item:hover .title { color: var(--mh-primary); }
.news-list .news-item .time {
  font-size: 12px;
  color: var(--mh-text-4);
  margin-left: 16px;
  flex-shrink: 0;
}

/* ============ 响应式 ============ */
@media (max-width: 1200px) {
  .cat-quick-item { flex-basis: calc((100% - 48px) / 4); } /* 每行 4 个 */
  .hero-title { font-size: 42px; }
  .brand-banner-inner { grid-template-columns: 1fr; gap: 36px; }
  .brand-banner-img { height: 320px; }
}
@media (max-width: 768px) {
  .section { padding: 48px 0; }
  .cat-quick-item { flex-basis: calc((100% - 32px) / 3); } /* 每行 3 个 */
  .hero-slide-main { height: 340px; }
  .hero-title { font-size: 32px; }
  .hero-content { left: 6%; max-width: 88%; }
  .section-h2 { font-size: 26px; }
  .section-head { flex-direction: column; align-items: flex-start; gap: 14px; }
  .news-row { grid-template-columns: 1fr; gap: 24px; }
  .brand-banner-text .bb-title { font-size: 28px; }
}