.themes-body {
  margin: 0;
  min-height: 100vh;
  font-family: var(--font-body, "Open Sans", sans-serif);
  color: rgba(255, 255, 255, 0.94);
  position: relative;
  display: flex;
  flex-direction: column;
  overflow: hidden;
  /* 中文排版优化 */
  text-rendering: optimizeLegibility;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

.themes-backdrop {
  position: fixed;
  inset: 0;
  z-index: 0;
  overflow: hidden;
  animation: fadeIn 1.2s ease-out;
}

@keyframes fadeIn {
  from {
    opacity: 0;
  }
  to {
    opacity: 1;
  }
}

.themes-backdrop img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center;
  display: block;
  filter: brightness(0.7) contrast(1.1);
  transition: filter 0.6s ease;
}

.themes-backdrop:hover img {
  filter: brightness(0.75) contrast(1.15);
}

.themes-header {
  position: relative;
  z-index: 2;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 32px clamp(32px, 5vw, 80px) 24px;
}

.brand-link {
  font-family: var(--font-heading, "Cinzel", serif);
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--color-accent, #f7c05c);
  font-weight: 600;
  font-size: clamp(20px, 3vw, 26px);
  text-shadow: 0 0 18px rgba(247, 192, 92, 0.65);
  transition: text-shadow 0.3s ease, transform 0.3s ease;
  display: inline-block;
}

.brand-link:hover {
  text-shadow: 0 0 28px rgba(247, 192, 92, 0.9);
  transform: scale(1.05);
}

/* 导航栏容器 */
.header-nav {
  display: flex;
  align-items: center;
  gap: 16px;
}

/* 导航链接按钮样式 */
.nav-link-button {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 12px 24px;
  background: linear-gradient(135deg,
    rgba(247, 192, 92, 0.2),
    rgba(247, 192, 92, 0.1));
  border: 1px solid rgba(247, 192, 92, 0.4);
  border-radius: 999px;
  color: rgba(247, 231, 173, 0.95);
  font-size: 14px;
  letter-spacing: 0.08em;
  transition: all 0.3s ease;
  text-decoration: none;
  backdrop-filter: blur(8px);
  box-shadow: 0 4px 16px rgba(0, 0, 0, 0.3);
}

.nav-link-button:hover {
  background: linear-gradient(135deg,
    rgba(247, 192, 92, 0.35),
    rgba(247, 192, 92, 0.2));
  border-color: rgba(247, 192, 92, 0.6);
  transform: translateY(-2px);
  box-shadow: 
    0 8px 24px rgba(247, 192, 92, 0.3),
    0 0 30px rgba(247, 192, 92, 0.2);
}

.nav-icon {
  font-size: 18px;
  filter: drop-shadow(0 0 8px rgba(247, 192, 92, 0.4));
}

.nav-text {
  font-family: var(--font-body, "Open Sans", sans-serif);
}

/* 收藏链接样式(保持向后兼容) */
.bookmarks-link {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 12px 24px;
  background: linear-gradient(135deg,
    rgba(247, 192, 92, 0.2),
    rgba(247, 192, 92, 0.1));
  border: 1px solid rgba(247, 192, 92, 0.4);
  border-radius: 999px;
  color: rgba(247, 231, 173, 0.95);
  font-size: 14px;
  letter-spacing: 0.08em;
  transition: all 0.3s ease;
  text-decoration: none;
  backdrop-filter: blur(8px);
  box-shadow: 0 4px 16px rgba(0, 0, 0, 0.3);
}

.bookmarks-link:hover {
  background: linear-gradient(135deg,
    rgba(247, 192, 92, 0.35),
    rgba(247, 192, 92, 0.2));
  border-color: rgba(247, 192, 92, 0.6);
  transform: translateY(-2px);
  box-shadow: 
    0 8px 24px rgba(247, 192, 92, 0.3),
    0 0 30px rgba(247, 192, 92, 0.2);
}

.bookmark-icon {
  font-size: 18px;
  filter: drop-shadow(0 0 8px rgba(247, 192, 92, 0.4));
}

.bookmark-text {
  font-family: var(--font-body, "Open Sans", sans-serif);
}

.themes-main {
  position: relative;
  z-index: 2;
  display: grid;
  grid-template-columns: minmax(320px, 640px) minmax(240px, 320px);
  align-items: center;
  justify-content: space-between;
  gap: clamp(48px, 8vw, 120px);
  padding: clamp(96px, 20vh, 160px) clamp(32px, 8vw, 100px) clamp(80px, 16vh, 140px);
  backdrop-filter: blur(1px);
}

.themes-hero {
  display: flex;
  align-items: flex-start;
  gap: 32px;
  color: rgba(255, 255, 255, 0.98);
  text-shadow: 0 4px 16px rgba(0, 0, 0, 0.5);
  animation: slideInLeft 0.9s cubic-bezier(0.23, 1, 0.32, 1);
}

@keyframes slideInLeft {
  from {
    opacity: 0;
    transform: translateX(-60px);
  }
  to {
    opacity: 1;
    transform: translateX(0);
  }
}

.themes-hero-mark {
  font-size: clamp(48px, 7vw, 76px);
  background: linear-gradient(135deg, rgba(247, 231, 173, 0.95), rgba(247, 192, 92, 0.92), rgba(212, 168, 83, 0.9));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  line-height: 1;
  transform: translateY(-4px);
  filter: drop-shadow(0 2px 8px rgba(247, 192, 92, 0.4));
}

.themes-hero-texts {
  display: flex;
  flex-direction: column;
  gap: 18px;
}

.themes-hero h1 {
  margin: 0;
  font-family: var(--font-heading, "Cinzel", serif);
  font-size: clamp(42px, 6vw, 68px);
  letter-spacing: 0.12em;
}

.themes-subtitle {
  margin: 0;
  max-width: 420px;
  font-size: clamp(16px, 2vw, 18px);
  line-height: 1.9;
  color: rgba(255, 255, 255, 0.9);
  letter-spacing: 0.02em;
}

.themes-panel {
  position: relative;
  display: flex;
  flex-direction: column;
  gap: 18px;
  padding: clamp(26px, 4vw, 36px) clamp(28px, 5vw, 40px);
  border-radius: 24px;
  align-self: stretch;
  animation: slideInRight 0.9s cubic-bezier(0.23, 1, 0.32, 1) 0.2s backwards;
  
  /* 新拟态玻璃效果 */
  background: linear-gradient(
    135deg,
    rgba(12, 14, 18, 0.65) 0%,
    rgba(26, 20, 16, 0.45) 50%,
    rgba(12, 14, 18, 0.65) 100%
  );
  backdrop-filter: blur(16px) saturate(150%);
  border: 1px solid rgba(247, 192, 92, 0.3);
  
  /* 多重阴影 */
  box-shadow: 
    inset 0 1px 0 rgba(255, 255, 255, 0.06),
    inset 0 -1px 0 rgba(0, 0, 0, 0.4),
    0 0 50px rgba(247, 192, 92, 0.15),
    0 18px 38px rgba(0, 0, 0, 0.45);
}

/* 外层光环 */
.themes-panel::before {
  content: "";
  position: absolute;
  inset: -2px;
  border: 1px solid rgba(247, 192, 92, 0.12);
  border-radius: inherit;
  pointer-events: none;
}

/* 内层高光 */
.themes-panel::after {
  content: "";
  position: absolute;
  inset: 2px;
  border: 1px solid rgba(255, 255, 255, 0.02);
  border-radius: calc(24px - 2px);
  pointer-events: none;
}

@keyframes slideInRight {
  from {
    opacity: 0;
    transform: translateX(60px);
  }
  to {
    opacity: 1;
    transform: translateX(0);
  }
}

.panel-divider {
  width: 28px;
  height: 2px;
  background: rgba(247, 192, 92, 0.65);
  border-radius: 999px;
}

.panel-link {
  display: flex;
  align-items: center;
  justify-content: center;
  padding: clamp(12px, 2vw, 16px) clamp(18px, 4vw, 28px);
  border-radius: 999px;
  font-size: clamp(13px, 2vw, 15px);
  letter-spacing: 0.28em;
  text-transform: uppercase;
  color: #1a1207;
  position: relative;
  overflow: hidden;
  
  /* 默认金色渐变 */
  background: linear-gradient(135deg, rgba(247, 231, 173, 0.98), rgba(247, 192, 92, 0.94));
  box-shadow: 0 16px 34px rgba(247, 192, 92, 0.36);
  transition: transform 280ms cubic-bezier(0.34, 1.56, 0.64, 1), box-shadow 280ms ease;
}

/* 所有主题按钮统一使用金色 */
.panel-link:nth-child(2),
.panel-link:nth-child(3),
.panel-link:nth-child(4) {
  background: linear-gradient(135deg, rgba(247, 231, 173, 0.98), rgba(247, 192, 92, 0.94));
  box-shadow: 0 16px 34px rgba(247, 192, 92, 0.36);
  animation: buttonBreathGlow 4s ease-in-out infinite;
}

/* 按钮呼吸光效动画 */
@keyframes buttonBreathGlow {
  0%, 100% {
    box-shadow: 
      0 16px 34px rgba(247, 192, 92, 0.28),
      0 0 15px rgba(247, 192, 92, 0.25),
      0 0 30px rgba(247, 192, 92, 0.12);
    filter: brightness(1);
    transform: scale(1);
  }
  50% {
    box-shadow: 
      0 18px 40px rgba(247, 192, 92, 0.38),
      0 0 25px rgba(247, 192, 92, 0.4),
      0 0 50px rgba(247, 192, 92, 0.25),
      0 0 75px rgba(247, 192, 92, 0.15);
    filter: brightness(1.08);
    transform: scale(1.03);
  }
}

.panel-link:nth-child(2):hover,
.panel-link:nth-child(2):focus-visible,
.panel-link:nth-child(3):hover,
.panel-link:nth-child(3):focus-visible,
.panel-link:nth-child(4):hover,
.panel-link:nth-child(4):focus-visible {
  box-shadow: 
    0 22px 50px rgba(247, 192, 92, 0.65),
    0 0 50px rgba(247, 192, 92, 0.8),
    0 0 100px rgba(247, 192, 92, 0.6);
  animation: none; /* 悬停时暂停呼吸动画 */
}

.panel-link::before {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(135deg, rgba(255, 255, 255, 0.4), transparent);
  opacity: 0;
  transition: opacity 0.3s ease;
}

.panel-link:hover::before {
  opacity: 1;
}

.panel-link:hover,
.panel-link:focus-visible {
  transform: translateY(-4px) scale(1.02);
  box-shadow: 0 22px 50px rgba(247, 192, 92, 0.5);
  outline: none;
}

.panel-link.ghost {
  background: rgba(6, 7, 10, 0.4);
  color: rgba(247, 231, 173, 0.95);
  border: 1px solid rgba(247, 192, 92, 0.6);
  box-shadow: none;
}

.panel-link.ghost:hover,
.panel-link.ghost:focus-visible {
  background: rgba(247, 192, 92, 0.18);
  box-shadow: 0 20px 42px rgba(247, 192, 92, 0.35);
}

.theme-card:hover {
  transform: translateY(-8px);
  box-shadow: 0 26px 60px rgba(247, 192, 92, 0.28);
}

.theme-card h2 {
  margin: 0;
  font-family: var(--font-heading, "Cinzel", serif);
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--color-accent-strong, #f7e7ad);
}

.theme-card p {
  margin: 0;
  color: rgba(255, 255, 255, 0.72);
  line-height: 1.7;
}

.theme-button {
  align-self: flex-start;
  margin-top: auto;
  padding: 12px 24px;
  border-radius: 999px;
  background: rgba(247, 192, 92, 0.95);
  color: #161616;
  text-transform: uppercase;
  letter-spacing: 0.18em;
  font-size: 13px;
  font-weight: 600;
  transition: transform 220ms ease, box-shadow 220ms ease;
}

.theme-button:hover,
.theme-button:focus-visible {
  transform: translateY(-4px);
  box-shadow: 0 18px 40px rgba(247, 192, 92, 0.45);
  outline: none;
}

.themes-footer {
  position: relative;
  z-index: 2;
  padding: 28px clamp(32px, 6vw, 64px) 36px;
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  gap: 12px;
  color: rgba(255, 255, 255, 0.68);
  background: linear-gradient(180deg, rgba(6, 7, 10, 0.05) 0%, rgba(6, 7, 10, 0.82) 100%);
}

@media (max-width: 960px) {
  .themes-main {
    grid-template-columns: 1fr;
    justify-items: start;
    gap: 40px;
  }

  .themes-panel {
    align-self: start;
    max-width: 320px;
  }
}

@media (max-width: 720px) {
  .themes-header {
    padding: 24px;
    flex-direction: column;
    gap: 16px;
    align-items: flex-start;
  }
  
  .header-nav {
    align-self: flex-end;
    flex-wrap: wrap;
    gap: 12px;
  }
  
  .nav-link-button,
  .bookmarks-link {
    font-size: 13px;
    padding: 10px 20px;
  }

  .themes-main {
    padding: 80px 24px 100px;
  }

  .themes-hero {
    flex-direction: column;
    gap: 12px;
  }

  .themes-hero-mark {
    transform: translateY(0);
    align-self: flex-start;
  }

  .themes-panel {
    width: 100%;
  }
  
  .themes-subtitle {
    font-size: 15px;
    line-height: 1.8;
  }
}

/* 改进选中文本样式 */
::selection {
  background-color: rgba(247, 192, 92, 0.35);
  color: rgba(255, 255, 255, 0.98);
}

::-moz-selection {
  background-color: rgba(247, 192, 92, 0.35);
  color: rgba(255, 255, 255, 0.98);
}