/* ========================================
   直播频道页样式 live.css
   对齐智库频道审美：全宽深色Hero + 卡片升级 + LIVE特效
   ======================================== */

/* =========================================
   Hero Banner — 红色/深色，突出直播氛围
   ========================================= */
.lv-hero {
  background: linear-gradient(150deg, #140608 0%, #2d0a0d 30%, #4a0e12 55%, #200608 100%);
  padding: 56px 0 52px;
  position: relative;
  overflow: hidden;
  margin-bottom: 0;
}
.lv-hero::before {
  content: '';
  position: absolute;
  top: -60px;
  right: 5%;
  width: 460px;
  height: 460px;
  background: radial-gradient(circle, rgba(229,57,53,0.1) 0%, transparent 65%);
  border-radius: 50%;
}
.lv-hero::after {
  content: '';
  position: absolute;
  bottom: -80px;
  left: 3%;
  width: 360px;
  height: 360px;
  background: radial-gradient(circle, rgba(240,165,0,0.05) 0%, transparent 65%);
  border-radius: 50%;
}
.lv-hero-inner {
  display: grid;
  grid-template-columns: 1fr 360px;
  gap: 40px;
  align-items: center;
  position: relative;
  z-index: 1;
}
.lv-hero-badge {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  background: rgba(229,57,53,0.18);
  border: 1px solid rgba(229,57,53,0.4);
  color: #ff8a8a;
  padding: 6px 18px;
  border-radius: 20px;
  font-size: 12px;
  font-weight: 700;
  letter-spacing: 1px;
  margin-bottom: 18px;
  text-transform: uppercase;
}
.lv-hero-live-dot {
  width: 8px;
  height: 8px;
  background: #ff4444;
  border-radius: 50%;
  animation: lvHeroPulse 1.5s ease-in-out infinite;
}
@keyframes lvHeroPulse {
  0%, 100% { box-shadow: 0 0 0 0 rgba(255,68,68,0.5); }
  50% { box-shadow: 0 0 0 5px rgba(255,68,68,0); }
}
.lv-hero-content h1 {
  font-size: 34px;
  font-weight: 800;
  color: #fff;
  line-height: 1.3;
  margin-bottom: 14px;
  font-family: "Noto Serif SC", serif;
  letter-spacing: -0.3px;
}
.lv-hero-content p {
  font-size: 15px;
  color: rgba(255,255,255,0.68);
  line-height: 1.8;
  max-width: 560px;
  margin-bottom: 32px;
}
.lv-hero-stats {
  display: flex;
  gap: 0;
  padding-top: 28px;
  border-top: 1px solid rgba(255,255,255,0.1);
}
.lv-hero-stat {
  text-align: center;
  padding: 0 32px 0 0;
  margin-right: 32px;
  border-right: 1px solid rgba(255,255,255,0.08);
}
.lv-hero-stat:last-child { border-right: none; }
.lv-hero-stat strong {
  display: block;
  font-size: 24px;
  font-weight: 900;
  color: #fff;
  line-height: 1.2;
  font-family: "Noto Sans SC", sans-serif;
}
.lv-hero-stat span {
  font-size: 11px;
  color: rgba(255,255,255,0.4);
  margin-top: 3px;
  display: block;
}
.lv-hero-visual {
  display: flex;
  justify-content: flex-end;
  align-items: center;
  opacity: 0.85;
}

/* =========================================
   主体区域
   ========================================= */
.main-content { padding: 36px 0 0; }

/* 直播区段通用 */
.live-section {
  margin-bottom: 48px;
}
.live-section .section-header {
  margin-bottom: 22px;
  padding-bottom: 16px;
  border-bottom: 2px solid #f5f0f0;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

/* LIVE 呼吸灯 & 徽章 */
.live-dot {
  background: #e53935 !important;
  animation: livePulse 2s ease-in-out infinite;
}
@keyframes livePulse {
  0%, 100% { box-shadow: 0 0 0 0 rgba(229, 57, 53, 0.5); }
  50% { box-shadow: 0 0 0 7px rgba(229, 57, 53, 0); }
}
.live-badge {
  background: linear-gradient(135deg, #e53935, #c62828);
  color: white;
  font-size: 10px;
  font-weight: 800;
  padding: 4px 11px;
  border-radius: 5px;
  letter-spacing: 1.5px;
  animation: livePulse 2s ease-in-out infinite;
  margin-left: 8px;
  box-shadow: 0 2px 8px rgba(229,57,53,0.3);
}

/* Section 通用 */
.section-header-left {
  display: flex;
  align-items: center;
  gap: 10px;
}
.section-dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: #e53935;
  flex-shrink: 0;
}
.section-title {
  font-size: 18px;
  font-weight: 800;
  color: var(--text-main);
  font-family: "Noto Serif SC", serif;
}
.section-badge {
  background: #fce8e6;
  color: #e53935;
  font-size: 11px;
  font-weight: 700;
  padding: 3px 10px;
  border-radius: 5px;
}
.section-more {
  font-size: 13px;
  color: var(--primary);
  font-weight: 600;
  text-decoration: none;
}

/* =========================================
   正在直播 — 大卡片
   ========================================= */
.live-now-card {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 0;
  background: #fff;
  border-radius: 16px;
  overflow: hidden;
  box-shadow: 0 4px 24px rgba(0,0,0,0.08), 0 1px 4px rgba(0,0,0,0.04);
  border: 1px solid rgba(229,57,53,0.08);
}
.lnc-cover {
  height: 390px;
  position: relative;
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  overflow: hidden;
}
.lnc-live-badge {
  position: absolute;
  top: 20px;
  left: 20px;
  display: flex;
  align-items: center;
  gap: 8px;
  background: rgba(229,57,53,0.92);
  color: white;
  padding: 7px 16px;
  border-radius: 7px;
  font-size: 12px;
  font-weight: 800;
  letter-spacing: 1.5px;
  backdrop-filter: blur(4px);
  box-shadow: 0 2px 12px rgba(229,57,53,0.35);
}
.live-pulse {
  width: 8px;
  height: 8px;
  background: white;
  border-radius: 50%;
  animation: livePulse 1.5s ease-in-out infinite;
}
.lnc-play {
  position: absolute;
  width: 68px;
  height: 68px;
  background: rgba(255,255,255,0.15);
  border: 2px solid rgba(255,255,255,0.55);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 26px;
  color: white;
  backdrop-filter: blur(6px);
  transition: all 0.3s;
  z-index: 2;
}
.lnc-cover:hover .lnc-play {
  background: rgba(255,255,255,0.3);
  transform: scale(1.08);
}
.lnc-visual {
  position: absolute;
  inset: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 1;
}

/* 右侧信息 */
.lnc-info {
  padding: 34px 34px 30px;
  display: flex;
  flex-direction: column;
  justify-content: center;
  background: #fff;
}
.lnc-tags {
  display: flex;
  gap: 8px;
  margin-bottom: 16px;
  flex-wrap: wrap;
}
.tag-live {
  display: inline-block;
  font-size: 11px;
  padding: 3px 12px;
  border-radius: 5px;
  background: #fce8e6;
  color: #e53935;
  font-weight: 700;
}
.lnc-info h3 {
  font-size: 21px;
  font-weight: 800;
  line-height: 1.5;
  color: var(--text-main);
  margin-bottom: 14px;
  font-family: "Noto Serif SC", serif;
}
.lnc-desc {
  font-size: 14px;
  color: var(--text-sub);
  line-height: 1.8;
  margin-bottom: 22px;
  display: -webkit-box;
  -webkit-line-clamp: 3;
  -webkit-box-orient: vertical;
  overflow: hidden;
}
.lnc-meta {
  display: flex;
  flex-direction: column;
  gap: 14px;
}
.lnc-guests {
  display: flex;
  align-items: center;
  gap: 10px;
}
.guest-avatar {
  width: 38px;
  height: 38px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  color: white;
  font-weight: 700;
  font-size: 14px;
  flex-shrink: 0;
  font-family: "Noto Serif SC", serif;
  box-shadow: 0 2px 6px rgba(0,0,0,0.15);
}
.lnc-guests > span {
  font-size: 12px;
  color: var(--text-sub);
  line-height: 1.6;
}
.lnc-stats {
  display: flex;
  gap: 16px;
  font-size: 12px;
  color: var(--text-light);
  padding: 12px 16px;
  background: #fce8e6;
  border-radius: 8px;
}
.lnc-stats span { white-space: nowrap; }

/* =========================================
   今日预告
   ========================================= */
.live-upcoming-list {
  display: flex;
  flex-direction: column;
  gap: 16px;
}
.live-upcoming-item {
  display: grid;
  grid-template-columns: 80px 150px 1fr;
  gap: 22px;
  background: #fff;
  border-radius: 14px;
  overflow: hidden;
  box-shadow: 0 2px 10px rgba(0,0,0,0.05);
  border: 1px solid rgba(0,0,0,0.04);
  padding: 22px;
  transition: all 0.25s ease;
  cursor: pointer;
}
.live-upcoming-item:hover {
  box-shadow: 0 8px 28px rgba(0,0,0,0.08);
  transform: translateY(-2px);
  border-color: rgba(229,57,53,0.1);
}
.lui-time {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
}
.lui-hour {
  font-size: 28px;
  font-weight: 900;
  color: var(--text-main);
  line-height: 1.1;
  font-family: "Noto Sans SC", sans-serif;
}
.lui-label {
  font-size: 11px;
  color: var(--text-light);
  margin-top: 3px;
}
.lui-cover {
  height: 94px;
  border-radius: 10px;
  display: flex;
  align-items: center;
  justify-content: center;
  position: relative;
  overflow: hidden;
}
.lui-category {
  background: rgba(255,255,255,0.2);
  color: white;
  font-size: 13px;
  font-weight: 700;
  padding: 4px 14px;
  border-radius: 5px;
  backdrop-filter: blur(4px);
}
.lui-info { display: flex; flex-direction: column; justify-content: center; }
.lui-info h4 {
  font-size: 16px;
  font-weight: 700;
  color: var(--text-main);
  line-height: 1.5;
  margin-bottom: 8px;
  font-family: "Noto Serif SC", serif;
}
.live-upcoming-item:hover .lui-info h4 { color: #e53935; }
.lui-meta {
  display: flex;
  gap: 14px;
  font-size: 12px;
  color: var(--text-light);
  margin-bottom: 14px;
  flex-wrap: wrap;
}
.lui-actions { display: flex; gap: 10px; }

/* 按钮样式 */
.btn-primary-sm {
  background: linear-gradient(135deg, #e53935, #c62828);
  color: white;
  border: none;
  padding: 9px 22px;
  border-radius: 7px;
  font-size: 13px;
  font-weight: 700;
  cursor: pointer;
  transition: all 0.25s ease;
  white-space: nowrap;
  box-shadow: 0 2px 8px rgba(229,57,53,0.25);
}
.btn-primary-sm:hover {
  background: linear-gradient(135deg, #c62828, #b71c1c);
  transform: translateY(-1px);
  box-shadow: 0 5px 14px rgba(229,57,53,0.35);
}
.btn-remind {
  background: transparent;
  color: var(--text-sub);
  border: 1.5px solid var(--border);
  padding: 8px 18px;
  border-radius: 7px;
  font-size: 13px;
  cursor: pointer;
  transition: all 0.25s ease;
  white-space: nowrap;
}
.btn-remind:hover {
  border-color: #e53935;
  color: #e53935;
  background: #fce8e6;
}

/* =========================================
   近期回放
   ========================================= */
.replay-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 18px;
}
.replay-card {
  background: #fff;
  border-radius: 12px;
  overflow: hidden;
  box-shadow: 0 2px 8px rgba(0,0,0,0.05);
  border: 1px solid rgba(0,0,0,0.04);
  cursor: pointer;
  transition: all 0.25s ease;
}
.replay-card:hover {
  box-shadow: 0 8px 26px rgba(0,0,0,0.1);
  transform: translateY(-4px);
}
.rc-cover {
  height: 155px;
  position: relative;
  display: flex;
  align-items: center;
  justify-content: center;
  overflow: hidden;
}
.rc-duration {
  position: absolute;
  bottom: 8px;
  right: 8px;
  background: rgba(0,0,0,0.75);
  color: white;
  font-size: 11px;
  padding: 2px 8px;
  border-radius: 4px;
  font-weight: 500;
}
.rc-play {
  width: 44px;
  height: 44px;
  background: rgba(255,255,255,0.15);
  border: 2px solid rgba(255,255,255,0.5);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 16px;
  color: white;
  backdrop-filter: blur(4px);
  transition: all 0.3s;
}
.replay-card:hover .rc-play {
  background: rgba(229,57,53,0.8);
  border-color: rgba(229,57,53,0.9);
  transform: scale(1.08);
}
.rc-info {
  padding: 14px 16px 16px;
}
.rc-info h4 {
  font-size: 14px;
  font-weight: 700;
  color: var(--text-main);
  line-height: 1.5;
  margin-bottom: 8px;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
  font-family: "Noto Serif SC", serif;
}
.replay-card:hover .rc-info h4 { color: #e53935; }
.rc-meta {
  display: flex;
  gap: 10px;
  font-size: 11px;
  color: var(--text-light);
}

/* =========================================
   直播排期表
   ========================================= */
.schedule-grid {
  display: flex;
  flex-direction: column;
  gap: 14px;
}
.schedule-day {
  background: #fff;
  border-radius: 12px;
  overflow: hidden;
  box-shadow: 0 2px 8px rgba(0,0,0,0.04);
  border: 1px solid rgba(0,0,0,0.04);
}
.sd-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 14px 20px;
  background: linear-gradient(135deg, #fafbfc, #f5f7f8);
  border-bottom: 1px solid #eef0f0;
}
.sd-date {
  font-size: 14px;
  font-weight: 700;
  color: var(--text-main);
  font-family: "Noto Serif SC", serif;
}
.sd-count {
  font-size: 11px;
  color: var(--text-light);
  background: #eef0f2;
  padding: 3px 10px;
  border-radius: 10px;
  font-weight: 600;
}
.sd-item {
  display: flex;
  align-items: center;
  gap: 14px;
  padding: 14px 20px;
  border-bottom: 1px solid #f8f8f8;
  transition: all 0.2s ease;
  cursor: pointer;
}
.sd-item:last-child { border-bottom: none; }
.sd-item:hover { background: #fafbfc; }
.sd-item.highlight {
  background: #fef5f5;
  border-left: 3px solid #e53935;
}
.sd-item.highlight:hover { background: #fceaea; }
.sd-time {
  font-size: 13px;
  font-weight: 700;
  color: var(--text-light);
  min-width: 46px;
  font-family: "Noto Sans SC", sans-serif;
}
.sd-tag {
  display: inline-block;
  font-size: 11px;
  padding: 3px 9px;
  border-radius: 5px;
  font-weight: 700;
  min-width: 42px;
  text-align: center;
}
.sd-tag.pv { background: #fff3e0; color: #e65100; }
.sd-tag.wind { background: #e3f2fd; color: #1565c0; }
.sd-tag.storage { background: #e8f5e9; color: #2e7d32; }
.sd-tag.policy { background: #fce4ec; color: #c62828; }
.sd-tag.hydrogen { background: #f3e5f5; color: #7b1fa2; }
.sd-tag.event { background: #fff8e1; color: #f57c00; }
.sd-tag.ev { background: #e0f7fa; color: #00838f; }
.sd-title {
  font-size: 14px;
  color: var(--text-main);
  font-weight: 500;
  line-height: 1.5;
}
.sd-item:hover .sd-title { color: #e53935; }

/* =========================================
   响应式
   ========================================= */
@media (max-width: 1200px) {
  .lv-hero-visual { display: none; }
  .lv-hero-inner { grid-template-columns: 1fr; }
}
@media (max-width: 1024px) {
  .live-now-card { grid-template-columns: 1fr; }
  .lnc-cover { height: 290px; }
  .replay-grid { grid-template-columns: repeat(2, 1fr); }
}
@media (max-width: 768px) {
  .lv-hero { padding: 40px 0 36px; }
  .lv-hero-content h1 { font-size: 24px; }
  .lv-hero-stats { flex-wrap: wrap; gap: 14px; }
  .lv-hero-stat { padding: 0 16px 0 0; margin-right: 16px; }
  .live-upcoming-item { grid-template-columns: 60px 1fr; }
  .lui-cover { display: none; }
  .replay-grid { grid-template-columns: 1fr; }
  .lnc-info { padding: 24px 22px 20px; }
  .lnc-info h3 { font-size: 18px; }
}