/* ========================================
   活动页面 - 完整响应式样式
   ======================================== */

/* ---- 基础 ---- */
.activities-page { background: #F7F8FA; }
.activities-main { padding-bottom: 60px; }
.activities-main .section-content { max-width: 1400px; padding: 0 24px; }

/* ---- 顶部活动导航卡片 ---- */
.active-nav-cards {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 16px;
  margin-top: -56px;
  position: relative;
  z-index: 2;
}
.active-nav-item {
  background: linear-gradient(180deg, #FFF9F6 0%, #FFFFFF 100%);
  border-radius: 12px;
  padding: 24px 20px;
  cursor: pointer;
  box-shadow: 0 2px 12px rgba(52,52,52,0.08);
  transition: transform 0.2s, box-shadow 0.2s;
}
.active-nav-item:hover {
  transform: translateY(-4px);
  box-shadow: 0 8px 24px rgba(52,52,52,0.12);
}
.active-nav-item .nav-icon { font-size: 28px; margin-bottom: 12px; }
.active-nav-item .nav-name { font-size: 18px; font-weight: 600; color: #FF6739; }
.active-nav-item .nav-name .icon-arrow-right { font-size: 14px; margin-left: 4px; }
.active-nav-item .nav-desc { margin-top: 6px; font-size: 13px; color: rgba(0,0,0,0.5); }

/* ---- 区块通用 ---- */
.active-section { margin-top: 64px; }
.section-h2 { font-size: 28px; font-weight: 600; color: rgba(0,0,0,0.9); margin-bottom: 8px; }
.section-tip { font-size: 14px; color: rgba(0,0,0,0.55); margin-bottom: 20px; }
.section-tip .link-rule { color: #FF6739; text-decoration: none; margin-left: 6px; }
.section-tip .link-rule .icon-arrow-right { font-size: 12px; }

/* ---- 秒杀头部 ---- */
.seckill-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 12px;
  margin-bottom: 28px;
}
.seckill-notice {
  display: flex;
  align-items: center;
  gap: 6px;
  font-size: 14px;
  color: #FF6739;
}
.seckill-notice img { width: 18px; height: 18px; }

/* 倒计时 */
.count-down-box { display: flex; align-items: center; gap: 4px; }
.count-label { font-size: 13px; color: rgba(0,0,0,0.45); margin-right: 4px; }
.count-digit {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 28px;
  height: 30px;
  background: #FF6739;
  color: #fff;
  font-size: 16px;
  font-weight: 700;
  border-radius: 4px;
}

/* ---- 秒杀卡片网格 ---- */
.seckill-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 16px;
}
.seckill-card {
  position: relative;
  background: #fff;
  border-radius: 10px;
  overflow: hidden;
  box-shadow: 0 1px 8px rgba(0,0,0,0.06);
  transition: box-shadow 0.2s, transform 0.2s;
}
.seckill-card:hover {
  box-shadow: 0 4px 20px rgba(0,0,0,0.12);
  transform: translateY(-2px);
}
.seckill-card:hover .seckill-name { color: #FF6739; }

.seckill-badge {
  position: absolute;
  right: 8px;
  top: 10px;
  background: #FEE2C6;
  color: #E2491B;
  font-size: 12px;
  padding: 4px 14px 4px 18px;
  border-radius: 30px 0 0 30px;
}
.seckill-card-top {
  background: linear-gradient(180deg, #FFF9F6 0%, #FFFFFF 100%);
  padding: 28px 20px 16px;
  border-bottom: 1px solid rgba(230,234,237,0.5);
}
.seckill-name { font-size: 20px; font-weight: 600; color: #000; transition: color 0.2s; }
.seckill-desc { font-size: 13px; color: rgba(0,0,0,0.5); margin-top: 6px; }
.seckill-region { font-size: 13px; color: rgba(0,0,0,0.5); margin-top: 4px; }

.seckill-card-body { padding: 16px 20px 20px; }
.seckill-specs { margin-bottom: 14px; }
.spec-row { display: flex; margin-top: 10px; font-size: 13px; }
.spec-row:first-child { margin-top: 0; }
.spec-label { color: rgba(0,0,0,0.4); min-width: 56px; }
.spec-value { color: rgba(0,0,0,0.85); }

.seckill-tags { display: flex; gap: 8px; flex-wrap: wrap; margin-bottom: 14px; }
.seckill-tags span {
  background: #F7F8F9;
  border: 1px solid #EDEDED;
  font-size: 11px;
  color: rgba(0,0,0,0.55);
  padding: 3px 8px;
  border-radius: 2px;
}

.seckill-price-row { display: flex; align-items: baseline; gap: 8px; }
.price-main { color: #FF6739; font-size: 14px; }
.price-main b { font-size: 22px; font-weight: 700; }
.price-old { font-size: 12px; color: rgba(0,0,0,0.35); text-decoration: line-through; }
.price-sub { font-size: 13px; color: rgba(0,0,0,0.4); margin-top: 2px; }

.seckill-action { margin-top: 14px; }
.seckill-action .buy-btn {
  display: block;
  width: 100%;
  text-align: center;
  padding: 10px 0;
  background: linear-gradient(85deg, #FF832D 0%, #FF550A 100%);
  border-radius: 6px;
  font-size: 14px;
  cursor: pointer;
}
.seckill-action .lootall-btn {
  background: #EDEDED;
  color: #B0B0B0;
  cursor: not-allowed;
}

.seckill-progress {
  margin-top: 16px;
  height: 4px;
  background: #EDEDED;
  border-radius: 4px;
  overflow: hidden;
}
.progress-bar-fill {
  height: 100%;
  background: #FF6739;
  border-radius: 4px;
  transition: width 0.4s ease;
}
.progress-label { font-size: 11px; color: #FF6739; margin-top: 5px; }

/* ---- 云产品 Tab 栏 ---- */
.cloud-tab-bar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  border-bottom: 1px solid #E0E0E0;
  margin-bottom: 20px;
  flex-wrap: wrap;
  gap: 10px;
}
.cloud-tabs { display: flex; }
.tab-btn {
  cursor: pointer;
  padding: 12px 24px;
  font-size: 15px;
  color: rgba(0,0,0,0.7);
  position: relative;
  transition: color 0.2s;
}
.tab-btn:hover { color: #E2491B; }
.tab-btn.active-tab {
  background: linear-gradient(90deg, #F97F2B 0%, #FAA759 100%);
  color: #fff;
  border-radius: 6px 6px 0 0;
}
.tab-right-link {
  cursor: pointer;
  padding: 8px 20px;
  border: 1px solid #FF6739;
  color: #FF6739;
  border-radius: 6px;
  font-size: 14px;
  white-space: nowrap;
  transition: background 0.2s;
}
.tab-right-link:hover { background: rgba(255,103,57,0.06); }

/* ---- 物理裸机头部 ---- */
.dedicated-header {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  flex-wrap: wrap;
  gap: 12px;
}

/* ---- 云产品行 ---- */
.cloud-product-list {
  background: #fff;
  border-radius: 10px;
  box-shadow: 0 1px 10px rgba(52,52,52,0.06);
  overflow: hidden;
}
.cloud-product-row {
  display: flex;
  align-items: center;
  padding: 18px 24px;
  border-bottom: 1px solid #EDEDED;
  gap: 16px;
  position: relative;
}
.cloud-product-row:last-child { border-bottom: none; }

.cloud-row-label {
  position: absolute;
  left: 0;
  top: 18px;
  background: #FEE2C6;
  color: #E2491B;
  font-size: 11px;
  padding: 4px 14px 4px 10px;
  border-radius: 0 30px 30px 0;
}

.cloud-row-left {
  min-width: 240px;
  padding-left: 8px;
  background: linear-gradient(180deg, #FFF9F6 0%, #FFFFFF 100%);
  padding: 16px 20px;
  border-radius: 6px;
}
.cloud-pname { font-size: 18px; font-weight: 600; color: #000; }
.cloud-pdesc { font-size: 13px; color: rgba(0,0,0,0.5); margin-top: 4px; }

.cloud-row-specs { display: flex; flex: 1; justify-content: center; }
.spec-item {
  display: flex;
  flex-direction: column;
  align-items: center;
  padding: 0 20px;
  border-right: 1px solid #EDEDED;
}
.spec-item:last-child { border-right: none; }
.spec-item b { font-size: 16px; color: rgba(0,0,0,0.85); }
.spec-item span { font-size: 12px; color: rgba(0,0,0,0.4); margin-top: 6px; }

.cloud-row-price { display: flex; gap: 10px; }
.price-option {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  padding: 10px 14px;
  border: 1px solid #EDEDED;
  border-radius: 6px;
  cursor: pointer;
  font-size: 13px;
  color: #FF6739;
  min-width: 120px;
  transition: all 0.2s;
}
.price-option:hover,
.price-option.active {
  background: rgba(255,103,57,0.06);
  border-color: #FF6739;
}
.price-option b { font-size: 20px; }
.price-line-through { font-size: 11px; color: rgba(0,0,0,0.35); text-decoration: line-through; margin-top: 2px; }

.cloud-buy-btn {
  padding: 10px 28px;
  border-radius: 6px;
  font-size: 14px;
  white-space: nowrap;
  cursor: pointer;
}

/* ---- 更多优惠 ---- */
.more-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 16px;
}
.more-card {
  position: relative;
  background: linear-gradient(137deg, #F8FAFB 0%, #FFFFFF 100%);
  border-radius: 10px;
  padding: 24px;
  border: 1px solid rgba(230,234,237,0.6);
  transition: box-shadow 0.2s, transform 0.2s;
}
.more-card:hover { box-shadow: 0 4px 20px rgba(52,52,52,0.1); transform: translateY(-2px); }
.more-badge {
  position: absolute;
  top: 0;
  right: 0;
  background: linear-gradient(180deg, #FF832D 0%, #FF550A 100%);
  color: #fff;
  font-size: 11px;
  padding: 5px 14px;
  border-radius: 0 10px 0 12px;
}
.more-title { font-size: 20px; font-weight: 600; color: #000; margin-top: 8px; }
.more-desc { font-size: 13px; color: rgba(0,0,0,0.5); margin-top: 10px; }
.more-link {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  margin-top: 24px;
  padding: 9px 28px;
  border: 1px solid #FF6739;
  color: #FF6739;
  border-radius: 6px;
  font-size: 14px;
  text-decoration: none;
  transition: all 0.2s;
}
.more-link:hover { background: #FF6739; color: #fff; text-decoration: none; }

/* ---- 弹窗 ---- */
.dialog-box {
  display: none;
  position: fixed;
  z-index: 999999;
  inset: 0;
  background: rgba(0,0,0,0.55);
  overflow-y: auto;
}
.dialog-box .modal-content {
  background: #fff;
  margin: 6% auto;
  border-radius: 10px;
  padding: 28px 24px 28px 28px;
  width: 640px;
  max-width: 94vw;
  opacity: 0;
  transform: scale(0.9);
  transition: all 0.25s ease;
}
.dialog-box .modal-content.show { opacity: 1; transform: scale(1); }
.dialog-box .authentication-content { width: 440px; }
.dialog-box .buyCloud-content { width: 720px; }

.dia-title {
  display: flex;
  justify-content: space-between;
  align-items: center;
  font-size: 16px;
  color: rgba(0,0,0,0.9);
  margin-bottom: 20px;
  font-weight: 500;
}
.dia-close { color: rgba(0,0,0,0.35); font-size: 22px; cursor: pointer; }
.dia-close:hover { color: #000; }
.no-rz-tips { display: flex; align-items: center; color: rgba(0,0,0,0.55); font-size: 14px; }
.dia-fotter { margin-top: 24px; display: flex; justify-content: center; }

/* 弹窗表单 */
.buy-form .buyed-box {
  background: #F7F8FA;
  border-radius: 8px 8px 0 0;
  padding: 18px 24px 20px;
}
.buy-form .buy-type { font-size: 15px; color: rgba(0,0,0,0.85); margin-bottom: 12px; }
.buy-form .no-buy-box { padding: 20px 24px; }

.buy-form .form-item { margin-bottom: 16px; display: flex; align-items: center; }
.buy-form .form-item:last-child { margin-bottom: 0; }
.buy-form label {
  width: 90px;
  font-size: 14px;
  color: rgba(0,0,0,0.55);
  flex-shrink: 0;
}
.buy-form select {
  width: 280px;
  height: 38px;
  border: 1px solid #E6EAED;
  border-radius: 6px;
  font-size: 14px;
  padding: 0 12px;
  color: rgba(0,0,0,0.85);
}
.buy-form select:focus { outline: none; border-color: #FF6739; }
.buy-form .un-select { font-size: 14px; color: rgba(0,0,0,0.85); }

.buy-form .quantity { position: relative; display: inline-flex; align-items: center; }
.buy-form .quantity input[type=number] {
  -moz-appearance: textfield;
  width: 64px;
  height: 34px;
  text-align: center;
  border: 1px solid #E6EAED;
  border-radius: 4px;
  font-size: 14px;
}
.buy-form .quantity input[type=number]::-webkit-inner-spin-button,
.buy-form .quantity input[type=number]::-webkit-outer-spin-button { -webkit-appearance: none; margin: 0; }
.buy-form .quantity input[type=number]:focus { outline: none; }

.buy-form .quantity .plus-btn,
.buy-form .quantity .minus-btn {
  width: 36px;
  height: 34px;
  border: 1px solid #E6EAED;
  background: #E8E7E5;
  cursor: pointer;
  font-size: 18px;
  line-height: 1;
  padding: 0;
  border-radius: 4px;
  margin-left: 6px;
}
.buy-form .quantity .plus-btn:hover,
.buy-form .quantity .minus-btn:hover { background: #ccc; }

.buy-fotter {
  display: flex;
  align-items: center;
  justify-content: flex-end;
  gap: 16px;
  padding-top: 20px;
  border-top: 1px solid #EDEDED;
  margin-top: 12px;
}
.buy-fotter .fotter-text { font-size: 14px; color: rgba(0,0,0,0.85); }
.buy-fotter .fotter-price { font-size: 14px; text-align: right; }
.buy-fotter .now-pirce { font-weight: 700; color: #E34D59; }
.buy-fotter .origin-price { font-size: 12px; color: rgba(0,0,0,0.35); text-decoration: line-through; }
.buy-fotter .buy-cloud { padding: 10px 28px; border-radius: 6px; font-size: 14px; cursor: pointer; }

/* ========================================
   平板 (768px - 991px)
   ======================================== */
@media (max-width: 991px) {
  .activities-main .section-content { padding: 0 16px; }

  @media (max-width: 991px) {
  .activities-banner {
    height: 280px;
    background-size: cover;
  }
}


  /* 导航卡片 2 列 */
  .active-nav-cards { grid-template-columns: repeat(2, 1fr); margin-top: -40px; gap: 12px; }
  .active-nav-item { padding: 20px 16px; }
  .active-nav-item .nav-name { font-size: 16px; }
  .active-nav-item .nav-desc { font-size: 12px; }

  .active-section { margin-top: 48px; }
  .section-h2 { font-size: 24px; }

  /* 秒杀头部换行 */
  .seckill-header { flex-direction: column; align-items: flex-start; }
  .seckill-notice { font-size: 13px; }

  /* 秒杀卡片 2 列 */
  .seckill-grid { grid-template-columns: repeat(2, 1fr); gap: 12px; }
  .seckill-name { font-size: 18px; }
  .seckill-card-top { padding: 24px 16px 14px; }
  .seckill-card-body { padding: 14px 16px 16px; }

  /* 云产品行折行 */
  .cloud-product-row {
    flex-wrap: wrap;
    padding: 14px 16px;
    gap: 12px;
  }
  .cloud-row-label { position: static; margin-bottom: 0; width: fit-content; border-radius: 0 30px 30px 0; }
  .cloud-row-left { min-width: 100%; flex: 1 1 100%; padding: 12px 14px; }
  .cloud-row-specs { flex: 1 1 100%; justify-content: space-around; }
  .spec-item { padding: 0 14px; }
  .cloud-row-price { flex: 1 1 auto; }
  .cloud-buy-btn { flex-shrink: 0; }

  /* 更多 2 列 */
  .more-grid { grid-template-columns: repeat(2, 1fr); }
  .more-card { padding: 20px; }
  .more-title { font-size: 18px; }
}

/* ========================================
   手机 (< 768px)
   ======================================== */
@media (max-width: 767px) {
  .activities-main .section-content { padding: 0 12px; }

  .activities-banner {
  height: 200px;
  background-size: cover;
}


  /* 导航卡片 1 列 */
  .active-nav-cards { grid-template-columns: 1fr; margin-top: -24px; gap: 10px; }
  .active-nav-item {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 16px;
  }
  .active-nav-item .nav-icon { font-size: 24px; margin-bottom: 0; flex-shrink: 0; }
  .active-nav-item .nav-desc { display: none; }

  .section-h2 { font-size: 22px; }
  .active-section { margin-top: 40px; }

  /* 倒计时紧凑 */
  .count-down-box { gap: 2px; }
  .count-digit { width: 24px; height: 26px; font-size: 14px; }
  .count-label { font-size: 12px; }

  /* 秒杀卡片 1 列 */
  .seckill-grid { grid-template-columns: 1fr; gap: 10px; }
  .seckill-card-top { padding: 22px 14px 12px; }
  .seckill-card-body { padding: 12px 14px 16px; }
  .seckill-name { font-size: 17px; }

  /* Tab 栏 横向滚动 */
  .cloud-tab-bar { flex-direction: column; align-items: flex-start; }
  .cloud-tabs {
    display: flex;
    overflow-x: auto;
    -webkit-overflow-scrolling: touch;
    width: 100%;
  }
  .cloud-tabs::-webkit-scrollbar { display: none; }
  .tab-btn { padding: 10px 16px; font-size: 14px; white-space: nowrap; flex-shrink: 0; }

  /* 云产品行 - 完全堆叠 */
  .cloud-product-row {
    flex-direction: column;
    align-items: stretch;
    padding: 12px 14px 16px;
    gap: 10px;
  }
  .cloud-row-left { min-width: auto; padding: 10px 14px; }
  .cloud-pname { font-size: 16px; }
  .cloud-row-specs { display: grid; grid-template-columns: 1fr 1fr; gap: 8px; }
  .spec-item { border-right: none; padding: 6px; background: #F7F8FA; border-radius: 6px; }
  .spec-item b { font-size: 14px; }
  .cloud-row-price { justify-content: stretch; }
  .price-option { flex: 1; min-width: auto; }
  .cloud-buy-btn { width: 100%; text-align: center; padding: 12px 0; }

  /* 更多 1 列 */
  .more-grid { grid-template-columns: 1fr; gap: 10px; }
  .more-card { padding: 18px; }
  .more-title { font-size: 17px; }
  .more-desc { font-size: 12px; }

  /* 弹窗 */
  .dialog-box .modal-content { margin: 10% auto; padding: 20px 16px; }
  .buy-form select { width: 100%; }
  .buy-form label { width: 70px; }
  .buy-fotter { flex-wrap: wrap; justify-content: center; }
}