:root {
  --md-primary: #6750A4;
  --md-on-primary: #FFFFFF;
  --md-primary-container: #EADDFF;
  --md-on-primary-container: #21005D;
  --md-secondary: #625B71;
  --md-surface: #FFFBFE;
  --md-surface-variant: #E7E0EC;
  --md-outline: #79747E;
  --md-outline-variant: #CAC4D0;
  --md-text: #1C1B1F;
  --md-text-secondary: #49454F;
  --md-shadow-1: 0 1px 2px rgba(0,0,0,0.06),0 1px 3px rgba(0,0,0,0.1);
  --md-shadow-3: 0 4px 6px rgba(0,0,0,0.08),0 10px 15px rgba(0,0,0,0.07);
  --md-radius-s: 4px;
  --md-radius-m: 12px;
  --md-radius-l: 16px;
  --md-radius-xl: 28px;
  --md-duration-short1: 100ms;
  --md-duration-short2: 200ms;
  --md-duration-medium1: 250ms;
  --md-duration-medium2: 300ms;
  --md-duration-long: 400ms;
  --md-easing-standard: cubic-bezier(0.2, 0, 0, 1);
  --md-easing-elastic: cubic-bezier(0.175, 0.885, 0.32, 1.275);
  --badge-color: #FF5252;
  --badge-text: #FFFFFF;
}
@media (prefers-color-scheme: dark) {
  :root {
    --md-primary: #D0BCFF;
    --md-on-primary: #381E72;
    --md-primary-container: #4F378B;
    --md-on-primary-container: #EADDFF;
    --md-secondary: #CCC2DC;
    --md-surface: #1C1B1F;
    --md-surface-variant: #49454F;
    --md-outline: #938F99;
    --md-outline-variant: #44404C;
    --md-text: #E6E1E5;
    --md-text-secondary: #CAC4D0;
    --badge-color: #FF6B6B;
  }
}
* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
  font-family: Roboto, system-ui, -apple-system, sans-serif;
}
body {
  background-color: var(--md-surface-variant);
  padding: 16px;
  min-height: 100vh;
  color: var(--md-text);
  transition: background var(--md-duration-medium2);
}
@keyframes fadeIn {
  from { opacity: 0; transform: translateY(8px); }
  to { opacity: 1; transform: translateY(0); }
}
@keyframes popUp {
  0% { opacity: 0; transform: translateY(30px) scale(0.94); }
  65% { transform: translateY(-3px) scale(1.01); }
  100% { opacity: 1; transform: translateY(0) scale(1); }
}
@keyframes popDown {
  0% { opacity: 1; transform: translateY(0) scale(1); }
  100% { opacity: 0; transform: translateY(22px) scale(0.88); }
}
@keyframes scaleIn {
  from { opacity: 0; transform: scale(0.90) translateY(25px); }
  to { opacity: 1; transform: scale(1) translateY(0); }
}
@keyframes badgePulse {
  0% { transform: scale(1); }
  50% { transform: scale(1.2); }
  100% { transform: scale(1); }
}
@keyframes slideInRight {
  from { opacity: 0; transform: translateX(20px); }
  to { opacity: 1; transform: translateX(0); }
}

.animate-fade { animation: fadeIn var(--md-duration-medium2) var(--md-easing-standard); }
.animate-pop { animation: popUp var(--md-duration-long) var(--md-easing-elastic) forwards; }
.animate-pop-out { animation: popDown var(--md-duration-short2) var(--md-easing-standard) forwards; }
.animate-scale { animation: scaleIn var(--md-duration-medium2) var(--md-easing-elastic); }
.ripple {
  position: relative;
  overflow: hidden;
  cursor: pointer;
}
.ripple::after {
  content: "";
  position: absolute;
  width: 140%;
  height: 140%;
  top: -20%;
  left: -20%;
  pointer-events: none;
  background: radial-gradient(circle, rgba(103,80,164,0.13) 0%, transparent 75%);
  transform: scale(0);
  transition: transform var(--md-duration-short2) ease-out;
}
.ripple:active::after { transform: scale(1.6); }
/* 页面初次加载局部加载器 */
.init-loader {
  position: absolute;
  inset: 0;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 12px;
  z-index: 10;
  background: var(--md-surface-variant);
  border-radius: var(--md-radius-m);
}
.init-loader.hidden {
  display: none;
}
.loader-text {
  font-size: 15px;
  color: var(--md-text-secondary);
}
.search-bar {
  background: var(--md-surface);
  border-radius: var(--md-radius-xl);
  padding: 8px 16px;
  box-shadow: var(--md-shadow-1);
  margin-bottom: 16px;
  display: flex;
  align-items: center;
  gap: 12px;
  animation: fadeIn var(--md-duration-medium2) var(--md-easing-standard);
}
.search-icon {
  width: 21px;
  height: 23px;
  position: relative;
  flex-shrink: 0;
}
.search-icon::before {
  content: "";
  position: absolute;
  width: 14px;
  height: 14px;
  border: 2px solid var(--md-outline);
  border-radius: 50%;
  top: 0; left: 0;
}
.search-icon::after {
  content: "";
  position: absolute;
  width: 7px;
  height: 2px;
  background: var(--md-outline);
  transform: rotate(-45deg);
  top:13px; left:12px;
}
.search-input {
  flex: 1;
  border: none;
  background: transparent;
  outline: none;
  font-size: 16px;
  color: var(--md-text);
}
.search-input::placeholder { color: var(--md-outline); }
.view-toggle-btn {
  width: 38px;
  height: 38px;
  border: none;
  background: var(--md-surface-variant);
  border-radius: var(--md-radius-s);
  color: var(--md-text-secondary);
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
  transition: all var(--md-duration-short2);
  padding: 0;
  position: relative;
  outline: none;
   -webkit-tap-highlight-color: transparent;
}
.view-toggle-btn .icon-list {
  display: none;
  
}
.view-toggle-btn.list-active .icon-grid {
  display: none;
}
.view-toggle-btn.list-active .icon-list {
  display: block;
}
.view-toggle-btn:hover {
  background: var(--md-primary-container);
  color: var(--md-on-primary-container);
}
.view-toggle-btn:active {
  transform: scale(0.92);
}
.carousel-container {
  width: 100%;
  height: 195px;
  border-radius: var(--md-radius-l);
  overflow: hidden;
  position: relative;
  box-shadow: var(--md-shadow-1);
  margin-bottom: 12px;
  animation: fadeIn var(--md-duration-medium2) var(--md-easing-standard);
}
.carousel-wrap {
  display: flex;
  width: 300%;
  height: 100%;
  transition: transform var(--md-duration-medium2) var(--md-easing-standard);
}
.carousel-item {
  width: 33.3333%;
  height: 100%;
  padding: 26px 22px;
  display: flex;
  flex-direction: column;
  justify-content: center;
  color: #fff;
  position: relative;
  background-size: cover;
  background-repeat: no-repeat;
  background-position: center center;
}
.carousel-overlay {
  position: absolute;
  inset: 0;
  background: rgba(0, 0, 0, 0.35);
  z-index: 0;
}
.carousel-title,
.carousel-desc {
  position: relative;
  z-index: 1;
}
.carousel-title { 
  font-size: 20px; 
  font-weight: 600; 
  margin-bottom: 8px; 
  letter-spacing: 0.3px; 
}
.carousel-desc { 
  font-size: 14px; 
  opacity: 0.95; 
  line-height: 1.6; 
}
.carousel-indicators {
  position: absolute;
  bottom: 14px;
  left: 50%;
  transform: translateX(-50%);
  display: flex;
  gap: 8px;
  z-index: 2;
}
.indicator-dot {
  width: 8px;
  height: 8px;
  border-radius: 40px;
  background: rgba(255,255,255,0.35);
  transition: all var(--md-duration-short1);
}
.indicator-dot.active { background: #ffffff; width: 24px; }
@media (max-width: 480px) {
  .carousel-container {
    height: 155px;
  }
  .carousel-item {
    padding: 18px 16px;
  }
  .carousel-title {
    font-size: 17px;
  }
  .carousel-desc {
    font-size: 12px;
  }
}
@media (min-width: 481px) and (max-width: 768px) {
  .carousel-container {
    height: 185px;
  }
}
@media (min-width: 1025px) {
  .carousel-container {
    height: 260px;
  }
  .carousel-item {
    padding: 34px 30px;
  }
  .carousel-title {
    font-size: 24px;
  }
  .carousel-desc {
    font-size: 16px;
  }
}
/* ===================== Tab栏 液态玻璃完整样式 ===================== */
.tab-bar {
  position: relative;
  display: flex;
  /* 液态玻璃核心属性 */
  background: rgba(255, 255, 255, 0.16);
  backdrop-filter: blur(22px);
  -webkit-backdrop-filter: blur(22px);
  border: 1px solid rgba(255, 255, 255, 0.28);
  border-radius: var(--md-radius-m);
  padding: 4px;
  margin-bottom: 16px;
  box-shadow: 
    0 8px 30px rgba(0, 0, 0, 0.07),
    inset 0 1px 0 rgba(255, 255, 255, 0.35); /* 顶部折射高光 */
  overflow: visible;
  /* 整体悬浮柔和动效 */
  transition: all var(--md-duration-medium2) var(--md-easing-standard);
}

/* 玻璃折射反光层（模拟iOS玻璃折射光斑） */
.tab-bar::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 45%;
  background: linear-gradient(180deg, rgba(255,255,255,0.18) 0%, transparent 100%);
  border-radius: inherit;
  pointer-events: none;
}

/* 激活滑块指示器 半透玻璃质感 */
.tab-indicator {
  position: absolute;
  top: 4px;
  height: calc(100% - 8px);
  background: rgba(103, 80, 164, 0.68);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border-radius: var(--md-radius-s);
  box-shadow: 
    0 4px 14px rgba(103, 80, 164, 0.22),
    inset 0 1px 0 rgba(255,255,255,0.3);
  /* 顺滑滑动动效 */
  transition: 
    transform var(--md-duration-medium2) var(--md-easing-standard), 
    width var(--md-duration-medium2) var(--md-easing-standard);
  z-index: 0;
}

/* Tab标签项 */
.tab-item {
  flex: 1;
  text-align: center;
  padding: 10px 16px;
  font-size: 14px;
  font-weight: 490;
  color: var(--md-text-secondary);
  cursor: pointer;
  border-radius: var(--md-radius-s);
  z-index: 1;
  position: relative;
  user-select: none;
  letter-spacing: 0.2px;
  /* 文字+缩放过渡动效 */
  transition: 
    color var(--md-duration-short2),
    transform var(--md-duration-short2);
    outline: none;
   -webkit-tap-highlight-color: transparent;
}

/* Tab hover微按压动效 */
.tab-item:hover:not(.active) {
  transform: scale(0.97);
  color: var(--md-primary);
}

.tab-item.active {
  color: var(--md-on-primary);
  transform: scale(1);
}

/* 角标样式微调，适配玻璃背景 */
.badge-dot {
  position: absolute;
  top: 2px;
  right: 8px;
  width: 10px;
  height: 10px;
  background: var(--badge-color);
  border: 2px solid rgba(255,255,255,0.2);
  border-radius: 50%;
  animation: badgePulse 2s ease-in-out infinite;
  z-index: 2;
  display: none;
}
.badge-dot.show {
  display: block;
}

.badge-count {
  position: absolute;
  top: -4px;
  right: 2px;
  min-width: 18px;
  height: 18px;
  background: var(--badge-color);
  color: var(--badge-text);
  font-size: 10px;
  font-weight: 700;
  line-height: 18px;
  text-align: center;
  border-radius: 10px;
  padding: 0 4px;
  border: 2px solid rgba(255,255,255,0.2);
  z-index: 2;
  display: none;
  animation: slideInRight var(--md-duration-medium2) var(--md-easing-standard);
}
.badge-count.show {
  display: block;
}

/* ===================== 深色模式玻璃适配 ===================== */
@media (prefers-color-scheme: dark) {
  .tab-bar {
    background: rgba(20, 18, 26, 0.42);
    border: 1px solid rgba(255, 255, 255, 0.1);
    box-shadow: 
      0 8px 30px rgba(0, 0, 0, 0.32),
      inset 0 1px 0 rgba(255, 255, 255, 0.12);
  }
  /* 深色模式折射高光减弱 */
  .tab-bar::before {
    background: linear-gradient(180deg, rgba(255,255,255,0.06) 0%, transparent 100%);
  }

  .tab-indicator {
    background: rgba(208, 188, 255, 0.62);
    box-shadow: 
      0 4px 14px rgba(0, 0, 0, 0.25),
      inset 0 1px 0 rgba(255,255,255,0.25);
  }

  .badge-dot, .badge-count {
    border-color: rgba(30,30,38,0.4);
  }
}

.badge-dot {
  position: absolute;
  top: 2px;
  right: 8px;
  width: 10px;
  height: 10px;
  background: var(--badge-color);
  border: 2px solid var(--md-surface);
  border-radius: 50%;
  animation: badgePulse 2s ease-in-out infinite;
  z-index: 2;
  display: none;
}
.badge-dot.show {
  display: block;
}
.badge-count {
  position: absolute;
  top: -4px;
  right: 2px;
  min-width: 18px;
  height: 18px;
  background: var(--badge-color);
  color: var(--badge-text);
  font-size: 10px;
  font-weight: 700;
  line-height: 18px;
  text-align: center;
  border-radius: 10px;
  padding: 0 4px;
  border: 2px solid var(--md-surface);
  z-index: 2;
  display: none;
  animation: slideInRight var(--md-duration-medium2) var(--md-easing-standard);
}
.badge-count.show {
  display: block;
}
.view-wrap { 
  position: relative; 
  min-height: 420px; 
}
.view-box {
  transition: opacity var(--md-duration-medium1), transform var(--md-duration-medium1);
}
.hidden-view {
  opacity: 0;
  pointer-events: none;
  transform: translateY(12px);
  position: absolute;
  width:100%;
}
.list-card {
  background: var(--md-surface);
  border-radius: var(--md-radius-l);
  padding: 18px 20px;
  margin-bottom: 14px;
  box-shadow: var(--md-shadow-1);
  animation: popUp var(--md-duration-long) var(--md-easing-elastic) forwards;
  position: relative;
  cursor: pointer;
  transition: all var(--md-duration-short2);
  outline: none;
   -webkit-tap-highlight-color: transparent;
}
.list-card:hover {
  transform: translateY(-2px);
  box-shadow: var(--md-shadow-3);
}
.list-card.new-card::before {
  content: "NEW";
  position: absolute;
  top: 12px;
  right: 68px;
  background: var(--badge-color);
  color: var(--badge-text);
  font-size: 9px;
  font-weight: 800;
  padding: 2px 6px;
  border-radius: 4px;
  animation: badgePulse 2s ease-in-out infinite;
}
.list-card:nth-child(1) { animation-delay: 0ms; }
.list-card:nth-child(2) { animation-delay: 80ms; }
.list-card:nth-child(3) { animation-delay: 150ms; }
.list-card:nth-child(4) { animation-delay: 220ms; }
.list-card:active { box-shadow: var(--md-shadow-3); transform: translateY(-2px); }
.card-head { display: flex; justify-content: space-between; align-items: flex-start; margin-bottom: 8px; }
.card-title { font-size: 17px; font-weight: 540; flex: 1; padding-right:10px; }
.card-tag {
  font-size: 11px;
  padding: 4px 10px;
  border-radius: var(--md-radius-s);
  background: var(--md-primary-container);
  color: var(--md-on-primary-container);
  white-space: nowrap;
}
.card-time { font-size: 12px; color: var(--md-outline); margin-top:4px; }
.card-divider { height:1px; background: var(--md-outline-variant); margin:12px 0; }
.card-content { font-size:14px; line-height:1.7; color: var(--md-text-secondary); }
.card-footer {
  margin-top: 12px;
  display: flex;
  justify-content: flex-end;
  align-items: center;
}
.card-read-more {
  font-size: 12px;
  color: var(--md-primary);
  font-weight: 500;
  display: flex;
  align-items: center;
  gap: 4px;
  opacity: 0.8;
  transition: opacity var(--md-duration-short2);
}
.list-card:hover .card-read-more {
  opacity: 1;
}
.grid-view { display: grid; grid-template-columns: repeat(3,1fr); gap:12px; }
.grid-card {
  background: var(--md-surface);
  border-radius: var(--md-radius-m);
  padding:16px 12px;
  box-shadow: var(--md-shadow-1);
  transition: all var(--md-duration-short2);
  height:145px;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  animation: scaleIn var(--md-duration-medium2) var(--md-easing-elastic);
  position: relative;
  cursor: pointer;
  outline: none;
   -webkit-tap-highlight-color: transparent;
}
.grid-card:hover {
  transform: translateY(-3px);
  box-shadow: var(--md-shadow-3);
}
.grid-card.new-card::after {
  content: "";
  position: absolute;
  top: 8px;
  right: 8px;
  width: 8px;
  height: 8px;
  background: var(--badge-color);
  border-radius: 50%;
  animation: badgePulse 2s ease-in-out infinite;
}
.grid-card:nth-child(1) { animation-delay: 0ms; }
.grid-card:nth-child(2) { animation-delay: 55ms; }
.grid-card:nth-child(3) { animation-delay: 110ms; }
.grid-card:nth-child(4) { animation-delay: 165ms; }
.grid-card:active { transform: scale(0.96); box-shadow: var(--md-shadow-3); }
.grid-tag {
  font-size:10px;
  padding:3px 8px;
  border-radius:3px;
  background: var(--md-primary-container);
  color: var(--md-on-primary-container);
  width: fit-content;
  margin-bottom:8px;
}
.grid-title {
  font-size:13px;
  font-weight:520;
  display: -webkit-box;
  -webkit-line-clamp:2;
  -webkit-box-orient:vertical;
  overflow:hidden;
}
.grid-time { font-size:10px; color: var(--md-outline); margin-top:6px; }
.grid-read-more {
  font-size: 10px;
  color: var(--md-primary);
  font-weight: 500;
  text-align: right;
  opacity: 0;
  transition: opacity var(--md-duration-short2);
}
.grid-card:hover .grid-read-more {
  opacity: 1;
}
.empty-tip {
  text-align:center;
  padding:70px 20px;
  color: var(--md-outline);
  font-size:15px;
  display:none;
  animation: fadeIn var(--md-duration-medium1);
}
.loading-tip {
  text-align:center;
  padding:70px 20px;
  color: var(--md-primary);
  font-size:16px;
  font-weight: 500;
}
.error-tip {
  text-align:center;
  padding:70px 20px;
  color: #e53935;
  font-size:15px;
}
.footer-tips {
  margin-top:26px;
  text-align:center;
  font-size:12px;
  color: var(--md-outline);
}