/* =============================
   全局基础样式
============================= */

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  padding: 40px 20px 60px;
  font-family: -apple-system, BlinkMacSystemFont, "SF Pro Text", "Segoe UI",
    system-ui, sans-serif;
}


/* =============================
   顶部区域：标题 + 筛选 + 主题按钮
============================= */

.page-header {
  max-width: 1200px;
  margin: 0 auto 28px;
  text-align: center;
  position: relative;
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.page-header h1 {
  margin: 0;
  font-size: 30px;
  letter-spacing: 0.14em;
}

.subtitle {
  margin: 0;
  font-size: 13px;
}

/* 系列快速筛选按钮区域 */

.series-filter {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 8px;
  margin-top: 4px;
}

/* 单个筛选按钮公共样式 */

.filter-btn {
  border-radius: 999px;
  padding: 6px 14px;
  font-size: 12px;
  border: 1px solid transparent;
  cursor: pointer;
  background: transparent;
  transition: background 0.18s ease, color 0.18s ease, border-color 0.18s ease,
    box-shadow 0.18s ease, transform 0.1s ease;
}

.filter-btn:active {
  transform: scale(0.97);
}

/* 主题切换按钮（桌面默认） */

.theme-toggle {
  position: absolute;
  right: 0;
  top: 0;
  transform: translateY(4px);
  border-radius: 999px;
  padding: 6px 14px;
  font-size: 12px;
  border: none;
  cursor: pointer;
  display: inline-flex;
  align-items: center;
  gap: 4px;
  white-space: nowrap;
}


/* =============================
   卡片网格布局
============================= */

.card-grid {
  max-width: 1200px;
  margin: 0 auto;
  display: grid;
  gap: 24px;
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
}

/* 单个卡片 */

.card {
  border-radius: 22px;
  padding: 18px 20px 16px;
  display: flex;
  flex-direction: column;
  gap: 10px;
  transition: transform 0.18s ease, box-shadow 0.18s ease,
    border-color 0.18s ease, background 0.18s ease;
}

.card-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 8px;
  margin-bottom: 4px;
}

.model-name {
  font-size: 16px;
  font-weight: 600;
  letter-spacing: 0.02em;
}

.series-tag {
  padding: 2px 10px;
  border-radius: 999px;
  font-size: 11px;
  white-space: nowrap;
}

/* 价格三行区域 */

.price-rows {
  border-radius: 14px;
  padding: 8px 10px;
  display: flex;
  flex-direction: column;
  gap: 4px;
}

.price-row {
  display: grid;
  grid-template-columns: 1.35fr 1fr;
  align-items: center;
  padding: 4px 6px;
  border-radius: 10px;
  font-size: 13px;
}

.row-label {
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.row-price {
  text-align: right;
  font-variant-numeric: tabular-nums;
  letter-spacing: 0.03em;
  font-weight: 600;
  opacity: 0.6;      /* “待填写” 时弱一点，填完你可以改掉 */
  font-style: italic;
}


/* =============================
   页脚提示
============================= */

.page-footer {
  max-width: 1200px;
  margin: 26px auto 0;
  text-align: center;
  font-size: 11px;
}


/* =============================
   小屏适配（手机和平板）
============================= */

@media (max-width: 768px) {
  body {
    padding: 20px 14px 36px;
  }

  .page-header {
    align-items: center;      /* 小屏仍然整体居中 */
    text-align: center;
    gap: 6px;
    margin-bottom: 20px;
  }

  .page-header h1 {
    font-size: 22px;
    letter-spacing: 0.08em;
    line-height: 1.25;
  }

  .subtitle {
    font-size: 12px;
  }

  .series-filter {
    justify-content: center;  /* 系列按钮居中 */
    gap: 6px;
    margin-top: 6px;
  }

  .filter-btn {
    padding: 5px 11px;
    font-size: 11px;
  }

  /* 主题按钮在移动端改为正常流布局，靠右对齐 */
  .theme-toggle {
    position: static;
    transform: none;
    margin-top: 8px;
    font-size: 11px;
    padding: 5px 11px;
    align-self: flex-end;     /* 在标题块内部靠右 */
  }

  .card-grid {
    gap: 18px;
  }

  .card {
    border-radius: 18px;
    padding: 16px 16px 14px;
  }

  .model-name {
    font-size: 15px;
  }

  .price-row {
    font-size: 12px;
  }
}


/* =============================
   深色主题：Vision Pro 玻璃风
============================= */

body.theme-glass {
  background: radial-gradient(circle at top, #0f172a 0, #020617 55%, #000 100%);
  color: #f9fafb;
}

body.theme-glass .subtitle,
body.theme-glass .page-footer {
  color: rgba(248, 250, 252, 0.72);
}

/* 筛选按钮（深色主题） */

body.theme-glass .filter-btn {
  color: rgba(226, 232, 240, 0.8);
  border-color: rgba(148, 163, 253, 0.25);
  background: radial-gradient(circle at top left,
      rgba(51, 65, 85, 0.9),
      rgba(15, 23, 42, 0.9));
  box-shadow: 0 8px 18px rgba(0, 0, 0, 0.55);
}

body.theme-glass .filter-btn:hover {
  border-color: rgba(191, 219, 254, 0.8);
  box-shadow: 0 10px 24px rgba(15, 23, 42, 0.9);
}

body.theme-glass .filter-btn.active {
  background: radial-gradient(circle at top,
      rgba(129, 140, 248, 1),
      rgba(59, 130, 246, 0.9));
  border-color: rgba(191, 219, 254, 1);
  color: #f9fafb;
}

/* 主题切换按钮（深色） */

body.theme-glass .theme-toggle {
  background: rgba(15, 23, 42, 0.85);
  color: #e5e7eb;
  border: 1px solid rgba(148, 163, 253, 0.6);
  box-shadow: 0 8px 20px rgba(0, 0, 0, 0.55);
}

body.theme-glass .theme-toggle:hover {
  background: rgba(30, 64, 175, 0.9);
  border-color: rgba(191, 219, 254, 0.9);
}

/* 卡片玻璃效果（深色） */

body.theme-glass .card {
  background: rgba(30, 41, 59, 0.55); /* 半透明深蓝 */
  border: 1px solid rgba(148, 163, 253, 0.35);
  box-shadow: 0 14px 40px rgba(0, 0, 0, 0.45); /* 单层阴影，更流畅 */
  outline: 1px solid rgba(255, 255, 255, 0.08);
  outline-offset: -1px; /* 轻微高光边缘 */
}

body.theme-glass .card:hover {
  transform: translateY(-3px);
  background: rgba(51, 65, 85, 0.65);
  box-shadow: 0 18px 55px rgba(0, 0, 0, 0.55);
  border-color: rgba(191, 219, 254, 0.7);
}

/* 系列小标签（深色） */

body.theme-glass .series-tag {
  border: 1px solid rgba(191, 219, 254, 0.7);
  color: #e5edff;
  background: rgba(30, 41, 59, 0.4);
}

/* 价格块背景（深色） */

body.theme-glass .price-rows {
  background: rgba(15, 23, 42, 0.55);
}

/* A / B / C 三档区分（深色） */

body.theme-glass .row-a .row-label,
body.theme-glass .row-a .row-price {
  color: #e5e7eb;
}

body.theme-glass .row-b {
  background: rgba(251, 191, 36, 0.18);
}

body.theme-glass .row-b .row-label,
body.theme-glass .row-b .row-price {
  color: #fcefc3;
}

body.theme-glass .row-c .row-label,
body.theme-glass .row-c .row-price {
  color: rgba(209, 213, 219, 0.88);
}


/* =============================
   浅色主题：Apple / MUJI 风
============================= */

body.theme-light {
  background: #f5f5f7;
  color: #111827;
}

body.theme-light .subtitle,
body.theme-light .page-footer {
  color: #6b7280;
}

/* 筛选按钮（浅色主题） */

body.theme-light .filter-btn {
  color: #374151;
  border-color: rgba(209, 213, 219, 0.8);
  background: #ffffff;
  box-shadow: 0 4px 14px rgba(15, 23, 42, 0.10);
}

body.theme-light .filter-btn:hover {
  background: #111827;
  color: #f9fafb;
  border-color: #111827;
  box-shadow: 0 8px 20px rgba(15, 23, 42, 0.16);
}

body.theme-light .filter-btn.active {
  background: #111827;
  color: #f9fafb;
  border-color: #111827;
}

/* 主题切换按钮（浅色） */

body.theme-light .theme-toggle {
  background: #ffffff;
  color: #111827;
  border: 1px solid rgba(148, 163, 184, 0.7);
  box-shadow: 0 6px 18px rgba(15, 23, 42, 0.15);
}

body.theme-light .theme-toggle:hover {
  background: #111827;
  color: #f9fafb;
}

/* 卡片样式（浅色） */

body.theme-light .card {
  background: #fdfdfd;
  border-radius: 18px;
  border: 1px solid rgba(15, 23, 42, 0.06);
  box-shadow: 0 14px 35px rgba(15, 23, 42, 0.08);
}

body.theme-light .card:hover {
  transform: translateY(-3px);
  box-shadow: 0 20px 45px rgba(15, 23, 42, 0.13);
  border-color: rgba(31, 41, 55, 0.16);
}

/* 系列小标签（浅色） */

body.theme-light .series-tag {
  border-radius: 999px;
  border: 1px solid rgba(148, 163, 184, 0.6);
  color: #6b7280;
  background: rgba(255, 255, 255, 0.9);
  font-size: 11px;
}

/* 价格块背景（浅色） */

body.theme-light .price-rows {
  background: #f5f5f1;
}

body.theme-light .row-a {
  background: #ffffff;
}

body.theme-light .row-b {
  background: #fff7df;
  border: 1px solid rgba(245, 158, 11, 0.28);
}

body.theme-light .row-c {
  background: #f3f4f6;
}

body.theme-light .row-label {
  color: #4b5563;
}

body.theme-light .row-price {
  color: #111827;
}