/* 拾光札记 - 视觉系统（第四轮最终整合）
 *
 * 设计原则：
 * 1. 深色品牌导航（冷色调深蓝紫）+ 乳白主背景 + 克制的蓝紫色强调色
 * 2. 通过 CSS 变量统一间距、圆角、阴影、字体与颜色，便于维护
 * 3. 所有交互（hover / focus / active）都有显式反馈
 * 4. 移动端：底部间距自适应、菜单按钮、平滑切换
 * 5. 不依赖任何外部字体或 CDN
 * 6. 中文优先的细节：行高、字间距、引号、标点
 */

:root {
  /* 中性 / 内容背景 */
  --color-bg: #fbfaf7;            /* 乳白主背景，纸质感 */
  --color-bg-soft: #f3f1ec;       /* 浅卡其，板块底色 */
  --color-bg-elevated: #ffffff;   /* 卡片、输入框等被抬起的面 */
  --color-bg-inverse: #1a1d29;    /* 深色导航 / 反白场景 */
  --color-bg-ink: #15182a;        /* 略浅一档的反白场景，用于 CTA */
  --color-bg-paper: #f7f5ef;      /* 段落引文背景 */

  /* 文字 */
  --color-fg: #1f2330;            /* 默认正文 */
  --color-fg-strong: #0f1320;     /* 标题 */
  --color-fg-muted: #5b6175;      /* 次要说明 */
  --color-fg-subtle: #8a91a4;     /* 最弱（时间戳、辅助） */
  --color-fg-inverse: #f4f4f8;    /* 深底上的文字 */
  --color-fg-quote: #43385a;      /* 块引用专用暖色 */

  /* 边框 */
  --color-border: #e3e0d8;         /* 默认细边框 */
  --color-border-soft: #eceae3;
  --color-border-strong: #c8c4b9;

  /* 品牌强调色（克制蓝紫） */
  --color-accent: #5b4cdb;        /* 主强调：按钮、链接 */
  --color-accent-strong: #4638c2; /* hover 加深 */
  --color-accent-soft: #ece9ff;   /* 浅底标签 / focus 环 */
  --color-accent-tint: #f5f3ff;   /* 更浅的背景色块 */
  --color-success: #1f9d55;
  --color-warn: #c08b00;

  /* 内容分类识别色（用于卡片封面色块，统一克制） */
  --cat-1-from: #5b4cdb; --cat-1-to: #7c6cff;   /* AI 与效率 */
  --cat-2-from: #2c6ed5; --cat-2-to: #4f96ed;   /* 编程与开发 */
  --cat-3-from: #d96aa8; --cat-3-to: #ef85bd;   /* 好物推荐 */
  --cat-4-from: #d97e2c; --cat-4-to: #f0a256;   /* 购物攻略 */
  --cat-5-from: #1f9d83; --cat-5-to: #44c2a4;   /* 资源工具 */
  --cat-6-from: #6a6f8a; --cat-6-to: #8a90aa;   /* 生活记录 */

  /* 排版尺度 */
  --font-stack: -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC",
                 "Hiragino Sans GB", "Microsoft YaHei", "Noto Sans CJK SC",
                 "Source Han Sans SC", "Helvetica Neue",
                 Helvetica, Arial, sans-serif;
  --font-mono: ui-monospace, SFMono-Regular, "SF Mono", Menlo, Consolas,
               "Liberation Mono", monospace;
  --font-serif: "Songti SC", "Noto Serif CJK SC", "Source Han Serif SC",
                "STSong", "SimSun", Georgia, "Times New Roman", serif;

  /* 圆角 */
  --radius-sm: 6px;
  --radius-md: 10px;
  --radius-lg: 16px;
  --radius-pill: 999px;

  /* 阴影（克制的两层） */
  --shadow-sm: 0 1px 2px rgba(15, 19, 32, 0.05);
  --shadow-md: 0 4px 14px rgba(15, 19, 32, 0.07);
  --shadow-lg: 0 10px 30px rgba(15, 19, 32, 0.10);
  --shadow-xl: 0 20px 50px rgba(15, 19, 32, 0.16);
  --shadow-focus: 0 0 0 3px rgba(91, 76, 219, 0.22);

  /* 间距 */
  --space-1: 4px;
  --space-2: 8px;
  --space-3: 12px;
  --space-4: 16px;
  --space-5: 24px;
  --space-6: 32px;
  --space-7: 48px;
  --space-8: 64px;

  /* 容器 */
  --container: 1140px;
  --container-narrow: 760px;
  --container-prose: 720px;
}

/* ============== 重置 & 基础 ============== */

*,
*::before,
*::after { box-sizing: border-box; }

html { -webkit-text-size-adjust: 100%; scroll-behavior: smooth; }

html, body {
  margin: 0;
  padding: 0;
  font-family: var(--font-stack);
  color: var(--color-fg);
  background: var(--color-bg);
  line-height: 1.7;
  font-size: 16px;
  text-rendering: optimizeLegibility;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

body {
  display: flex;
  flex-direction: column;
  min-height: 100vh;
  overflow-x: hidden;
}

img { max-width: 100%; height: auto; display: block; }

a {
  color: var(--color-accent);
  text-decoration: none;
  transition: color 0.15s ease;
}
a:hover { color: var(--color-accent-strong); }
a:focus-visible {
  outline: none;
  box-shadow: var(--shadow-focus);
  border-radius: var(--radius-sm);
}

h1, h2, h3, h4 {
  color: var(--color-fg-strong);
  font-weight: 700;
  line-height: 1.3;
  margin: 0 0 var(--space-3);
  letter-spacing: -0.01em;
}

p { margin: 0 0 var(--space-4); }

button {
  font-family: inherit;
  cursor: pointer;
}

::selection {
  background: rgba(91, 76, 219, 0.18);
  color: var(--color-fg-strong);
}

/* ============== 阅读进度条 ============== */

.read-progress {
  position: fixed;
  top: 0;
  left: 0;
  height: 3px;
  width: 0;
  background: linear-gradient(90deg, var(--color-accent), #8a7cff);
  z-index: 100;
  transition: width 0.08s linear;
  pointer-events: none;
}

/* ============== 容器 ============== */

.container {
  width: 100%;
  max-width: var(--container);
  margin: 0 auto;
  padding: 0 var(--space-5);
}

.container-narrow {
  max-width: var(--container-narrow);
  margin: 0 auto;
  padding: 0 var(--space-5);
}

.container-prose {
  max-width: var(--container-prose);
  margin: 0 auto;
  padding: 0 var(--space-5);
}

/* ============== 顶部导航（深色品牌条） ============== */

.site-header {
  background: var(--color-bg-inverse);
  color: var(--color-fg-inverse);
  position: sticky;
  top: 0;
  z-index: 50;
  border-bottom: 1px solid rgba(255, 255, 255, 0.06);
  backdrop-filter: saturate(140%) blur(6px);
}

.site-header .container {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding-top: var(--space-3);
  padding-bottom: var(--space-3);
  gap: var(--space-4);
}

.site-brand {
  display: inline-flex;
  align-items: center;
  gap: var(--space-3);
  color: var(--color-fg-inverse);
  font-weight: 700;
  font-size: 1rem;
  letter-spacing: 0.02em;
}
.site-brand:hover { color: #fff; }
.site-brand-mark {
  width: 32px;
  height: 32px;
  border-radius: 9px;
  background: linear-gradient(135deg, var(--color-accent), #8a7cff);
  display: inline-flex;
  align-items: center;
  justify-content: center;
  color: #fff;
  font-weight: 800;
  font-size: 0.95rem;
  letter-spacing: 0;
  font-family: var(--font-serif);
  box-shadow: 0 2px 6px rgba(91, 76, 219, 0.45);
}
.site-brand-text {
  display: flex;
  flex-direction: column;
  line-height: 1.1;
}
.site-brand-name {
  font-weight: 700;
  font-size: 1.02rem;
  letter-spacing: 0.04em;
}
.site-brand-tag {
  font-size: 0.7rem;
  font-weight: 400;
  color: rgba(244, 244, 248, 0.55);
  letter-spacing: 0.16em;
  margin-top: 3px;
  text-transform: uppercase;
}

/* 顶部导航 - 桌面 */
.site-nav {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: var(--space-1);
}

.site-nav a {
  display: inline-block;
  padding: var(--space-2) var(--space-3);
  border-radius: var(--radius-sm);
  color: rgba(244, 244, 248, 0.78);
  font-size: 0.92rem;
  transition: background 0.15s ease, color 0.15s ease;
}
.site-nav a:hover {
  color: #fff;
  background: rgba(255, 255, 255, 0.08);
  text-decoration: none;
}
.site-nav a:active {
  background: rgba(255, 255, 255, 0.14);
}
.site-nav a.is-active {
  color: #fff;
  background: rgba(255, 255, 255, 0.12);
}
.site-nav a.is-active::after {
  content: '';
  display: block;
  height: 2px;
  background: var(--color-accent);
  border-radius: 2px;
  margin-top: 2px;
}

.site-nav-search {
  margin-left: var(--space-2);
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
  padding: var(--space-2) var(--space-4);
  background: rgba(255, 255, 255, 0.1);
  border-radius: var(--radius-pill);
  color: rgba(244, 244, 248, 0.78);
  font-size: 0.88rem;
  transition: background 0.15s ease;
  border: 1px solid rgba(255, 255, 255, 0.08);
}
.site-nav-search:hover {
  background: rgba(255, 255, 255, 0.18);
  color: #fff;
  text-decoration: none;
}
.site-nav-search kbd {
  font-family: var(--font-mono);
  font-size: 0.7rem;
  padding: 1px 5px;
  border-radius: 4px;
  background: rgba(255, 255, 255, 0.16);
  color: rgba(244, 244, 248, 0.7);
}

/* 移动端菜单按钮 */
.nav-toggle {
  display: none;
  align-items: center;
  justify-content: center;
  width: 40px;
  height: 40px;
  border-radius: var(--radius-sm);
  background: rgba(255, 255, 255, 0.08);
  border: none;
  color: #fff;
}
.nav-toggle:hover { background: rgba(255, 255, 255, 0.16); }
.nav-toggle:focus-visible {
  outline: none;
  box-shadow: var(--shadow-focus);
}
.nav-toggle-bar,
.nav-toggle-bar::before,
.nav-toggle-bar::after {
  content: '';
  display: block;
  width: 18px;
  height: 2px;
  background: #fff;
  border-radius: 2px;
  transition: transform 0.2s ease, opacity 0.2s ease;
}
.nav-toggle-bar { position: relative; }
.nav-toggle-bar::before { position: absolute; top: -6px; left: 0; }
.nav-toggle-bar::after  { position: absolute; top: 6px;  left: 0; }
.nav-toggle[aria-expanded="true"] .nav-toggle-bar { background: transparent; }
.nav-toggle[aria-expanded="true"] .nav-toggle-bar::before {
  transform: translateY(6px) rotate(45deg);
}
.nav-toggle[aria-expanded="true"] .nav-toggle-bar::after {
  transform: translateY(-6px) rotate(-45deg);
}

/* ============== 主区域 ============== */

.site-main {
  flex: 1 0 auto;
  padding: var(--space-7) 0 var(--space-8);
}

.section { margin-bottom: var(--space-7); }
.section:last-child { margin-bottom: 0; }

.section-title {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: var(--space-3);
  margin-bottom: var(--space-4);
}
.section-title h2 {
  margin: 0;
  font-size: 1.4rem;
  position: relative;
  padding-left: 14px;
}
.section-title h2::before {
  content: '';
  position: absolute;
  left: 0;
  top: 6px;
  bottom: 6px;
  width: 4px;
  border-radius: 2px;
  background: linear-gradient(180deg, var(--color-accent), #8a7cff);
}
.section-title .more {
  font-size: 0.9rem;
  color: var(--color-fg-muted);
  white-space: nowrap;
}
.section-title .more:hover { color: var(--color-accent); }

.section-lede {
  color: var(--color-fg-muted);
  margin: 0 0 var(--space-5);
  max-width: 60ch;
}

/* ============== 面包屑 ============== */

.breadcrumb {
  font-size: 0.86rem;
  color: var(--color-fg-muted);
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 6px;
  margin-bottom: var(--space-4);
}
.breadcrumb a {
  color: var(--color-fg-muted);
}
.breadcrumb a:hover { color: var(--color-accent); }
.breadcrumb .sep {
  color: var(--color-border-strong);
  user-select: none;
}
.breadcrumb .current {
  color: var(--color-fg-strong);
  font-weight: 500;
  /* 长标题在移动端把面包屑撑成 3 行、且与 H1 重复展示，截断到一行更干净 */
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
  max-width: 100%;
}
@media (max-width: 720px) {
  .breadcrumb .current { max-width: 60vw; }
}

/* ============== 首页 Hero ============== */

.home-hero {
  position: relative;
  overflow: hidden;
  border-radius: var(--radius-lg);
  background:
    radial-gradient(1200px 380px at 10% -20%, rgba(91, 76, 219, 0.22), transparent 60%),
    radial-gradient(900px 320px at 100% 0%, rgba(124, 108, 255, 0.18), transparent 60%),
    linear-gradient(160deg, #1a1d29 0%, #20243a 60%, #2b1d4f 100%);
  color: var(--color-fg-inverse);
  padding: clamp(40px, 6vw, 80px) clamp(20px, 4vw, 56px);
  margin-bottom: var(--space-7);
  box-shadow: var(--shadow-md);
  isolation: isolate;
}

.home-hero::before {
  content: '';
  position: absolute;
  inset: 0;
  background:
    radial-gradient(rgba(255, 255, 255, 0.07) 1px, transparent 1px) 0 0 / 24px 24px,
    radial-gradient(rgba(255, 255, 255, 0.04) 1px, transparent 1px) 12px 12px / 32px 32px;
  opacity: 0.45;
  pointer-events: none;
  mask-image: linear-gradient(to bottom, rgba(0, 0, 0, 0.7), transparent 80%);
  z-index: 0;
}

.home-hero::after {
  content: '';
  position: absolute;
  right: -120px;
  top: -120px;
  width: 360px;
  height: 360px;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(124, 108, 255, 0.55), transparent 70%);
  filter: blur(20px);
  z-index: 0;
}

.home-hero-inner {
  position: relative;
  z-index: 1;
  max-width: 720px;
}

.home-hero-eyebrow {
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
  font-size: 0.78rem;
  font-weight: 600;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: #d6cfff;
  background: rgba(91, 76, 219, 0.28);
  padding: 6px 14px;
  border-radius: var(--radius-pill);
  margin-bottom: var(--space-5);
  border: 1px solid rgba(138, 124, 255, 0.35);
}
.home-hero-eyebrow .dot {
  width: 6px; height: 6px;
  border-radius: 50%;
  background: #b9aeff;
  box-shadow: 0 0 0 4px rgba(185, 174, 255, 0.3);
  animation: pulse 1.8s ease-in-out infinite;
}

@keyframes pulse {
  0%, 100% { opacity: 1; transform: scale(1); }
  50% { opacity: 0.6; transform: scale(1.3); }
}

.home-hero h1 {
  color: #fff;
  font-size: clamp(2rem, 3.4vw + 1rem, 3.2rem);
  line-height: 1.18;
  margin: 0 0 var(--space-4);
  letter-spacing: -0.02em;
  font-weight: 800;
}
.home-hero h1 .accent {
  background: linear-gradient(135deg, #c5beff, #ffd7e6);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
  position: relative;
}

.home-hero-lede {
  color: rgba(244, 244, 248, 0.86);
  font-size: clamp(1rem, 0.5vw + 0.95rem, 1.15rem);
  margin: 0 0 var(--space-5);
  max-width: 58ch;
  line-height: 1.7;
}

.home-hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-3);
  margin-bottom: var(--space-6);
}

.home-hero-quick {
  display: inline-flex;
  flex-wrap: wrap;
  align-items: center;
  gap: var(--space-2) var(--space-3);
  margin-bottom: var(--space-5);
  font-size: 0.88rem;
  color: rgba(244, 244, 248, 0.65);
}
.home-hero-quick-label {
  color: rgba(244, 244, 248, 0.5);
  letter-spacing: 0.04em;
}
.home-hero-quick-link {
  display: inline-flex;
  align-items: center;
  gap: 4px;
  padding: 4px 10px;
  border-radius: var(--radius-pill);
  background: rgba(255, 255, 255, 0.06);
  color: rgba(244, 244, 248, 0.85);
  border: 1px solid rgba(255, 255, 255, 0.1);
  transition: background 0.15s ease, color 0.15s ease, border-color 0.15s ease;
}
.home-hero-quick-link:hover {
  background: rgba(255, 255, 255, 0.16);
  color: #fff;
  border-color: rgba(255, 255, 255, 0.2);
  text-decoration: none;
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-2);
  padding: 13px 22px;
  border-radius: var(--radius-md);
  font-weight: 600;
  font-size: 0.95rem;
  border: 1px solid transparent;
  transition: transform 0.06s ease, background 0.15s ease, color 0.15s ease, border-color 0.15s ease, box-shadow 0.15s ease;
  cursor: pointer;
  text-decoration: none;
  line-height: 1;
  white-space: nowrap;
}
.btn:hover { text-decoration: none; }
.btn:active { transform: translateY(1px); }
.btn:focus-visible { outline: none; box-shadow: var(--shadow-focus); }

.btn-primary {
  background: var(--color-accent);
  color: #fff;
  box-shadow: 0 6px 18px rgba(91, 76, 219, 0.38);
}
.btn-primary:hover {
  background: var(--color-accent-strong);
  color: #fff;
}

.btn-ghost-light {
  background: rgba(255, 255, 255, 0.08);
  color: #fff;
  border-color: rgba(255, 255, 255, 0.18);
}
.btn-ghost-light:hover {
  background: rgba(255, 255, 255, 0.18);
  color: #fff;
}

.btn-secondary {
  background: var(--color-bg-elevated);
  color: var(--color-fg-strong);
  border-color: var(--color-border);
}
.btn-secondary:hover {
  border-color: var(--color-accent);
  color: var(--color-accent);
}

.btn-link {
  padding: 0;
  background: transparent;
  color: var(--color-accent);
}
.btn-link:hover { color: var(--color-accent-strong); text-decoration: underline; }

.btn .btn-arrow {
  display: inline-block;
  transition: transform 0.2s ease;
}
.btn:hover .btn-arrow { transform: translateX(2px); }

.home-hero-meta {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(140px, 1fr));
  gap: var(--space-4);
  padding: var(--space-5) var(--space-5);
  border-radius: var(--radius-md);
  background: rgba(255, 255, 255, 0.04);
  border: 1px solid rgba(255, 255, 255, 0.08);
  backdrop-filter: blur(8px);
}
.hero-meta-item {
  display: flex;
  flex-direction: column;
  gap: 2px;
}
.hero-meta-value {
  font-size: 1.5rem;
  font-weight: 700;
  color: #fff;
  line-height: 1.1;
  font-variant-numeric: tabular-nums;
  letter-spacing: -0.01em;
}
.hero-meta-label {
  font-size: 0.76rem;
  color: rgba(244, 244, 248, 0.7);
  letter-spacing: 0.04em;
  text-transform: uppercase;
}
.hero-meta-label .meta-icon {
  display: inline-block;
  margin-right: 3px;
  opacity: 0.7;
}

/* ============== 编辑推荐 / 特色 Hero 卡 ============== */

.featured-section {
  margin-bottom: var(--space-7);
}
.featured-card {
  position: relative;
  display: grid;
  grid-template-columns: 1.2fr 1fr;
  gap: 0;
  background: var(--color-bg-elevated);
  border: 1px solid var(--color-border-soft);
  border-radius: var(--radius-lg);
  overflow: hidden;
  transition: transform 0.2s ease, box-shadow 0.2s ease, border-color 0.2s ease;
  text-decoration: none;
  color: inherit;
  box-shadow: var(--shadow-sm);
}
.featured-card:hover {
  transform: translateY(-3px);
  border-color: transparent;
  box-shadow: var(--shadow-lg);
  color: inherit;
  text-decoration: none;
}
.featured-card:focus-visible {
  outline: none;
  box-shadow: var(--shadow-focus);
}
.featured-card-cover {
  position: relative;
  min-height: 280px;
  background:
    linear-gradient(135deg, var(--cover-from, var(--color-accent)) 0%, var(--cover-to, #8a7cff) 100%);
  color: #fff;
  padding: var(--space-6);
  display: flex;
  flex-direction: column;
  justify-content: flex-end;
  isolation: isolate;
  overflow: hidden;
}
.featured-card-cover::before {
  content: '';
  position: absolute;
  inset: 0;
  background-image:
    radial-gradient(rgba(255, 255, 255, 0.18) 1px, transparent 1px);
  background-size: 20px 20px;
  opacity: 0.45;
  z-index: 0;
}
.featured-card-cover::after {
  content: '';
  position: absolute;
  right: -40%;
  top: -40%;
  width: 80%;
  height: 80%;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(255, 255, 255, 0.18), transparent 70%);
  z-index: 0;
}
.featured-card-cover > * { position: relative; z-index: 1; }

.featured-card-badge {
  position: absolute;
  top: var(--space-5);
  left: var(--space-5);
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 5px 12px;
  border-radius: var(--radius-pill);
  background: rgba(255, 255, 255, 0.92);
  color: var(--color-fg-strong);
  font-size: 0.74rem;
  font-weight: 700;
  letter-spacing: 0.1em;
  text-transform: uppercase;
}
.featured-card-badge .star {
  color: #f5a623;
}

.featured-card-cover-title {
  font-size: clamp(1.4rem, 1.6vw + 0.6rem, 1.9rem);
  font-weight: 800;
  line-height: 1.3;
  color: #fff;
  margin: 0;
  letter-spacing: -0.015em;
  text-shadow: 0 1px 2px rgba(0, 0, 0, 0.18);
}

.featured-card-body {
  padding: var(--space-6) var(--space-6);
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  gap: var(--space-4);
}
.featured-card-meta-row {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-2);
  align-items: center;
  margin-bottom: var(--space-3);
}
.featured-card-meta-row .category-pill {
  font-size: 0.8rem;
}
.featured-card-meta-row .meta-line {
  font-size: 0.84rem;
  color: var(--color-fg-muted);
  display: inline-flex;
  align-items: center;
  gap: 6px;
}
.featured-card-meta-row .meta-line .dot {
  color: var(--color-border-strong);
}
.featured-card-summary {
  color: var(--color-fg-muted);
  font-size: 0.98rem;
  line-height: 1.7;
  margin: 0;
}
.featured-card-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 4px;
}
.featured-card-actions {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  margin-top: var(--space-3);
  padding-top: var(--space-4);
  border-top: 1px dashed var(--color-border);
}
.featured-card-cta {
  display: inline-flex;
  align-items: center;
  gap: 4px;
  font-weight: 600;
  color: var(--color-accent);
}
.featured-card-quote {
  margin: 0;
  padding: var(--space-3) var(--space-4);
  background: var(--color-accent-tint);
  border-left: 3px solid var(--color-accent);
  border-radius: 0 var(--radius-sm) var(--radius-sm) 0;
  font-size: 0.92rem;
  color: var(--color-fg-strong);
  font-style: italic;
}

/* ============== 分类入口卡片 ============== */

.category-grid {
  list-style: none;
  padding: 0;
  margin: 0;
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(180px, 1fr));
  gap: var(--space-3);
}

.category-card {
  position: relative;
  display: flex;
  flex-direction: column;
  gap: var(--space-2);
  padding: var(--space-4) var(--space-4);
  border-radius: var(--radius-md);
  border: 1px solid var(--color-border-soft);
  background: var(--color-bg-elevated);
  color: var(--color-fg-strong);
  transition: transform 0.15s ease, box-shadow 0.15s ease, border-color 0.15s ease;
  overflow: hidden;
  text-decoration: none;
}
.category-card::before {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(135deg, var(--cat-from, var(--color-accent)), var(--cat-to, #8a7cff));
  opacity: 0.06;
  transition: opacity 0.2s ease;
  z-index: 0;
}
.category-card > * { position: relative; z-index: 1; }
.category-card:hover {
  border-color: transparent;
  transform: translateY(-2px);
  box-shadow: var(--shadow-md);
  text-decoration: none;
  color: var(--color-fg-strong);
}
.category-card:hover::before { opacity: 0.14; }
.category-card:active { transform: translateY(0); }
.category-card:focus-visible {
  outline: none;
  box-shadow: var(--shadow-focus);
}

.category-card-icon {
  width: 38px;
  height: 38px;
  border-radius: 10px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  color: #fff;
  font-weight: 700;
  background: linear-gradient(135deg, var(--cat-from, var(--color-accent)), var(--cat-to, #8a7cff));
  letter-spacing: 0;
  font-size: 0.95rem;
  box-shadow: 0 4px 10px rgba(0, 0, 0, 0.08);
}

.category-card-head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-2);
  margin-bottom: var(--space-2);
}
.category-card-name {
  font-weight: 600;
  color: var(--color-fg-strong);
  font-size: 1rem;
  letter-spacing: -0.005em;
}
.category-card-count {
  display: inline-flex;
  align-items: center;
  padding: 2px 8px;
  font-size: 0.74rem;
  font-weight: 600;
  border-radius: var(--radius-pill);
  background: var(--color-bg-soft);
  color: var(--color-fg-muted);
  font-variant-numeric: tabular-nums;
}
.category-card-desc {
  font-size: 0.84rem;
  color: var(--color-fg-muted);
  margin: 0;
  line-height: 1.5;
  min-height: 2.6em;
}
.category-card-cta {
  font-size: 0.82rem;
  color: var(--color-fg-muted);
  display: inline-flex;
  align-items: center;
  gap: 4px;
  margin-top: 2px;
}
.category-card:hover .category-card-cta { color: var(--color-accent); }

/* ============== 文章卡片 ============== */

.post-grid {
  list-style: none;
  padding: 0;
  margin: 0;
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
  gap: 2.5rem;
}
@media (min-width: 721px) { .post-grid { grid-auto-rows: 1fr; } }
.post-grid > li > .post-card { height: 100%; }

.post-card {
  position: relative;
  display: flex;
  flex-direction: column;
  background: var(--color-bg-elevated);
  border: none;
  border-radius: 12px;
  overflow: hidden;
  transition: transform 0.18s ease, box-shadow 0.18s ease, border-color 0.18s ease;
  color: inherit;
  text-decoration: none;
  box-shadow: 0 4px 16px rgba(21, 24, 42, 0.02);
}
a.post-card { text-decoration: none; color: inherit; }
a.post-card:hover {
  transform: translateY(-3px);
  box-shadow: 0 10px 24px rgba(21, 24, 42, 0.08);
  color: inherit;
  text-decoration: none;
}
.post-card:hover {
  transform: translateY(-3px);
  box-shadow: 0 10px 24px rgba(21, 24, 42, 0.08);
}
.post-card:focus-within {
  outline: none;
  box-shadow: var(--shadow-focus);
}
a.post-card:focus-visible {
  outline: none;
  box-shadow: var(--shadow-focus);
}

.post-card-cover {
  position: relative;
  aspect-ratio: 21 / 9;
  display: flex;
  align-items: flex-end;
  padding: var(--space-4);
  color: #fff;
  background:
    linear-gradient(135deg, var(--cover-from, var(--color-accent)) 0%, var(--cover-to, #8a7cff) 100%);
  isolation: isolate;
  overflow: hidden;
}
.post-card-cover::after {
  content: '';
  position: absolute;
  inset: 0;
  background-image:
    radial-gradient(rgba(255, 255, 255, 0.18) 1px, transparent 1px);
  background-size: 18px 18px;
  opacity: 0.45;
  z-index: 0;
}
.post-card-cover > * { position: relative; z-index: 1; }

.post-card-cover-title {
  font-size: 1.15rem;
  font-weight: 700;
  line-height: 1.35;
  margin: 0;
  color: #fff;
  text-shadow: 0 1px 2px rgba(0, 0, 0, 0.18);
  letter-spacing: -0.005em;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

.post-card-cover-tag {
  position: absolute;
  top: var(--space-3);
  left: var(--space-3);
  display: inline-flex;
  align-items: center;
  gap: 4px;
  padding: 4px 10px;
  border-radius: var(--radius-pill);
  background: rgba(255, 255, 255, 0.92);
  color: var(--color-fg-strong);
  font-size: 0.74rem;
  font-weight: 600;
  letter-spacing: 0.02em;
  backdrop-filter: blur(4px);
}

.post-card-cover-meta {
  position: absolute;
  top: var(--space-3);
  right: var(--space-3);
  display: inline-flex;
  align-items: center;
  gap: 4px;
  padding: 4px 9px;
  border-radius: var(--radius-pill);
  background: rgba(0, 0, 0, 0.28);
  color: #fff;
  font-size: 0.74rem;
  font-weight: 500;
  backdrop-filter: blur(4px);
}

.post-card-body {
  padding: var(--space-5);
  display: flex;
  flex-direction: column;
  flex: 1 1 auto;
  gap: var(--space-3);
}

.post-card-title {
  font-size: 1.05rem;
  font-weight: 600;
  margin: 0;
  line-height: 1.45;
  color: var(--color-fg-strong);
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}
.post-card-title a { color: inherit; }
.post-card-title a:hover { color: var(--color-accent); text-decoration: none; }

.post-card-summary {
  color: var(--color-fg-muted);
  font-size: 0.88rem;
  margin: 0;
  line-height: 1.6;
  flex-grow: 1;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

.post-card-meta {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 6px var(--space-3);
  color: var(--color-fg-subtle);
  font-size: 0.78rem;
  margin-top: auto;
  padding-top: var(--space-3);
  border-top: 1px solid var(--color-bg-soft);
}
.post-card-meta .category-pill {
  font-size: inherit;
  padding: 0;
  background: none;
  color: var(--color-accent);
  font-weight: 500;
}
.post-card-meta .category-pill:hover { color: var(--color-accent-strong); }
.post-card-meta time { font-variant-numeric: tabular-nums; }
.post-card-meta .dot { color: var(--color-border-strong); }
.post-card-meta .author { color: var(--color-fg-muted); }

.post-card-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 4px;
}

.tag-chip {
  display: inline-block;
  padding: 3px 8px;
  border-radius: 4px;
  background: var(--color-bg-soft);
  color: var(--color-fg-muted);
  font-size: 0.75rem;
  font-weight: 400;
  transition: background 0.15s ease, color 0.15s ease;
}
.tag-chip:hover {
  background: var(--color-border-soft);
  color: var(--color-fg-strong);
  text-decoration: none;
}

/* 特色文章（首页编辑推荐使用的旧版式 — 保留备用） */
.post-grid-featured .post-card-featured {
  grid-column: span 2;
}
@media (max-width: 720px) {
  .post-grid-featured .post-card-featured { grid-column: span 1; }
}

.post-card-featured .post-card-cover { aspect-ratio: 21 / 9; }
.post-card-featured .post-card-cover-title {
  font-size: clamp(1.3rem, 1.4vw + 0.6rem, 1.6rem);
  -webkit-line-clamp: 3;
}
.post-card-featured .post-card-title {
  font-size: 1.2rem;
  -webkit-line-clamp: 1;
}
.post-card-featured .post-card-summary { -webkit-line-clamp: 4; }

/* ============== 列表样式（轻量文字行） ============== */

.post-list {
  list-style: none;
  padding: 0;
  margin: 0;
  display: flex;
  flex-direction: column;
  gap: var(--space-2);
}

.post-list-item {
  display: flex;
  flex-direction: column;
  gap: var(--space-1);
  padding: var(--space-3) var(--space-4);
  border: 1px solid var(--color-border-soft);
  border-radius: var(--radius-md);
  background: var(--color-bg-elevated);
  transition: border-color 0.15s ease, transform 0.15s ease, box-shadow 0.15s ease;
}
.post-list-item:hover {
  border-color: var(--color-accent);
  transform: translateX(2px);
  box-shadow: var(--shadow-sm);
}

.post-list-link {
  display: inline-block;
  font-weight: 600;
  color: var(--color-fg-strong);
}
.post-list-link:hover { color: var(--color-accent); text-decoration: none; }

.post-list-meta {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: var(--space-2);
  color: var(--color-fg-muted);
  font-size: 0.82rem;
}
.post-list-meta .dot { color: var(--color-border-strong); }

.search-snippet {
  margin: var(--space-2) 0 0;
  color: var(--color-fg-muted);
  font-size: 0.92rem;
  line-height: 1.6;
}

/* ============== 文章详情 ============== */

.post-article {
  background: var(--color-bg-elevated);
  border: 1px solid var(--color-border-soft);
  border-radius: var(--radius-lg);
  padding: var(--space-7) var(--space-6);
  box-shadow: var(--shadow-sm);
}

.post-header { margin-bottom: var(--space-5); }

/* 文章封面:2026-09-08 重设计
   旧版是 21:9 大渐变色块(空洞、占半屏、与 meta 行的分类信息重复),
   新版降级为标题上方一条 4px 分类色条:保留分类色识别度,页面直接以标题开场 */
.post-cover {
  height: 4px;
  width: 64px;
  border-radius: 999px;
  margin-bottom: var(--space-4);
  background: linear-gradient(135deg, var(--cover-from, var(--color-accent)) 0%, var(--cover-to, #8a7cff) 100%);
  position: relative;
  overflow: hidden;
  isolation: isolate;
}

.post-title {
  margin: 0 0 var(--space-3);
  font-size: clamp(1.7rem, 2.4vw + 0.4rem, 2.4rem);
  line-height: 1.25;
  color: var(--color-fg-strong);
  letter-spacing: -0.02em;
  text-wrap: balance;
}

.post-meta {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-2) var(--space-3);
  align-items: center;
  font-size: 0.88rem;
  color: var(--color-fg-muted);
}
.post-meta .dot { color: var(--color-border-strong); }
.post-meta time { font-variant-numeric: tabular-nums; }
.post-meta .author::before {
  content: '✎ ';
  color: var(--color-accent);
  margin-right: 2px;
}

.category-pill {
  display: inline-block;
  padding: 4px 10px;
  border-radius: var(--radius-pill);
  background: var(--color-accent-tint);
  color: var(--color-accent-strong);
  font-size: 0.78rem;
  font-weight: 600;
  transition: background 0.15s ease;
}
.category-pill:hover { background: var(--color-accent); color: #fff; text-decoration: none; }

.post-content { color: var(--color-fg); font-size: 1.04rem; line-height: 1.85; }
.post-content > *:first-child { margin-top: 0; }
.post-content h2 {
  font-size: 1.5rem;
  margin: var(--space-7) 0 var(--space-3);
  padding-top: var(--space-4);
  border-top: 1px solid var(--color-border-soft);
  position: relative;
  scroll-margin-top: 80px;
}
.post-content h2::before {
  content: '';
  display: inline-block;
  width: 4px;
  height: 1em;
  background: linear-gradient(180deg, var(--color-accent), #8a7cff);
  border-radius: 2px;
  margin-right: 10px;
  vertical-align: -2px;
}
.post-content h3 {
  font-size: 1.18rem;
  margin: var(--space-5) 0 var(--space-2);
  scroll-margin-top: 80px;
}
.post-content h4 {
  font-size: 1.05rem;
  margin: var(--space-5) 0 var(--space-2);
}
.post-content p, .post-content ul, .post-content ol { margin: 0 0 var(--space-4); }
.post-content ul, .post-content ol { padding-left: var(--space-6); }
.post-content li { margin-bottom: 6px; }
.post-content hr {
  border: 0;
  height: 1px;
  background: var(--color-border);
  margin: var(--space-6) 0;
}
.post-content blockquote {
  margin: var(--space-5) 0;
  padding: var(--space-4) var(--space-5);
  border-left: 3px solid var(--color-accent);
  background: var(--color-paper, var(--color-bg-paper));
  border-radius: 0 var(--radius-sm) var(--radius-sm) 0;
  color: var(--color-fg-quote);
  font-size: 0.98rem;
  font-style: italic;
}
.post-content blockquote p:last-child { margin-bottom: 0; }
.post-content pre {
  background: #1f2330;
  color: #e6e6f0;
  padding: var(--space-4);
  border-radius: var(--radius-md);
  overflow-x: auto;
  font-size: 0.88rem;
  line-height: 1.6;
  margin: var(--space-4) 0;
  border: 1px solid #2c3142;
}
.post-content pre code {
  background: transparent;
  color: inherit;
  padding: 0;
  font-family: var(--font-mono);
  font-size: inherit;
}
.post-content code {
  background: var(--color-bg-soft);
  padding: 2px 6px;
  border-radius: 4px;
  font-size: 0.88em;
  font-family: var(--font-mono);
  color: var(--color-accent-strong);
}
.post-content table {
  width: 100%;
  border-collapse: collapse;
  margin: var(--space-4) 0;
  font-size: 0.94rem;
}
@media (max-width: 768px) {
  .post-content table {
    display: block;
    overflow-x: auto;
    -webkit-overflow-scrolling: touch;
  }
}
.post-content table th, .post-content table td {
  padding: 10px 12px;
  border-bottom: 1px solid var(--color-border-soft);
  text-align: left;
}
.post-content table thead th {
  background: var(--color-bg-soft);
  color: var(--color-fg-strong);
}

.post-content a {
  color: var(--color-accent);
  border-bottom: 1px solid transparent;
  transition: border-color 0.15s ease;
}
.post-content a:hover {
  color: var(--color-accent-strong);
  border-bottom-color: var(--color-accent);
  text-decoration: none;
}

.post-footer {
  margin-top: var(--space-6);
  padding-top: var(--space-5);
  border-top: 1px solid var(--color-border-soft);
}
.post-tags {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-2);
  align-items: center;
}
.post-tags-label {
  font-size: 0.86rem;
  color: var(--color-fg-muted);
  margin-right: var(--space-1);
}
.post-tag {
  display: inline-block;
  font-size: 0.84rem;
  color: var(--color-fg-muted);
}
.post-tag:hover { color: var(--color-accent); }

/* 分享 / 操作行 */
.post-toolbar {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-3);
  margin-top: var(--space-5);
  padding-top: var(--space-4);
  border-top: 1px dashed var(--color-border);
}
.post-share-links {
  display: flex;
  gap: var(--space-2);
}
.post-share-link {
  display: inline-flex;
  align-items: center;
  gap: 4px;
  padding: 6px 12px;
  border-radius: var(--radius-pill);
  background: var(--color-bg-soft);
  color: var(--color-fg-muted);
  font-size: 0.84rem;
  border: 1px solid transparent;
  transition: background 0.15s ease, color 0.15s ease, border-color 0.15s ease;
}
.post-share-link:hover {
  background: var(--color-accent-tint);
  color: var(--color-accent-strong);
  border-color: var(--color-accent-soft);
  text-decoration: none;
}

/* ============== 文章目录（TOC） ============== */

.article-layout {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: var(--space-6);
  align-items: start;
}

@media (min-width: 1024px) {
  .article-layout { grid-template-columns: minmax(0, 1fr) 220px; }
}

.toc {
  position: sticky;
  top: calc(var(--space-7) + 16px);
  padding: var(--space-4);
  border-left: 2px solid var(--color-border);
  font-size: 0.86rem;
  color: var(--color-fg-muted);
  max-height: calc(100vh - 100px);
  overflow-y: auto;
}
.toc-title {
  font-size: 0.78rem;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--color-fg-subtle);
  font-weight: 600;
  margin-bottom: var(--space-3);
}
.toc-list {
  list-style: none;
  padding: 0;
  margin: 0;
  display: flex;
  flex-direction: column;
  gap: 6px;
}
.toc-list li { margin: 0; }
.toc a {
  display: block;
  color: var(--color-fg-muted);
  padding: 2px 0 2px 8px;
  border-left: 2px solid transparent;
  margin-left: -10px;
  transition: color 0.15s ease, border-color 0.15s ease;
}
.toc a:hover { color: var(--color-accent); border-left-color: var(--color-accent); }
.toc .toc-h3 { padding-left: 16px; font-size: 0.82rem; }

/* ============== 相关文章 ============== */

.related-section {
  margin-top: var(--space-7);
}
.related-heading {
  display: flex;
  align-items: baseline;
  gap: var(--space-3);
  margin-bottom: var(--space-4);
}
.related-heading h3 {
  margin: 0;
  font-size: 1.2rem;
  position: relative;
  padding-left: 14px;
}
.related-heading h3::before {
  content: '';
  position: absolute;
  left: 0; top: 6px; bottom: 6px;
  width: 4px;
  border-radius: 2px;
  background: linear-gradient(180deg, var(--color-accent), #8a7cff);
}
.related-heading .hint {
  font-size: 0.84rem;
  color: var(--color-fg-muted);
}
.related-empty {
  font-size: 0.92rem;
  color: var(--color-fg-muted);
  background: var(--color-bg-soft);
  padding: var(--space-4);
  border-radius: var(--radius-md);
}

/* ============== 相关好物（文章页导购模块） ============== */

.goods-grid {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--space-4);
}
.goods-card {
  display: flex;
  flex-direction: column;
  gap: var(--space-2);
  height: 100%;
  background: var(--color-bg-elevated);
  border: 1px solid var(--color-border-soft);
  border-radius: 12px;
  padding: var(--space-4);
  text-decoration: none;
  box-shadow: 0 4px 16px rgba(31, 35, 48, 0.02);
  transition: transform 0.18s ease, box-shadow 0.18s ease, border-color 0.18s ease;
}
.goods-card:hover {
  transform: translateY(-3px);
  box-shadow: 0 10px 28px rgba(31, 35, 48, 0.08);
  border-color: var(--color-border);
}
.goods-card-top {
  display: flex;
  justify-content: space-between;
  align-items: center;
}
.goods-badge {
  font-size: 0.74rem;
  font-weight: 600;
  padding: 2px 8px;
  border-radius: 4px;
}
.goods-badge--product { color: #9c2f63; background: #fbeaf2; }
.goods-badge--scenario { color: #8f4d0e; background: #faeedd; }
.goods-arrow {
  color: var(--color-accent);
  font-size: 0.95rem;
  transition: transform 0.18s ease, color 0.18s ease;
}
.goods-card:hover .goods-arrow {
  color: var(--color-accent-strong);
  transform: translateX(3px);
}
.goods-view-all {
  margin-left: auto;
  font-size: 0.84rem;
  color: var(--color-accent);
  text-decoration: none;
}
.goods-view-all:hover { color: var(--color-accent-strong); }
.goods-card-title {
  margin: 0;
  font-size: 0.98rem;
  font-weight: 600;
  color: var(--color-fg-strong);
  line-height: 1.5;
  transition: color 0.18s ease;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}
.goods-card:hover .goods-card-title { color: var(--color-accent-strong); }
.goods-card-desc {
  margin: 0;
  font-size: 0.84rem;
  color: var(--color-fg-muted);
  line-height: 1.6;
  flex-grow: 1;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}
.goods-card-meta {
  display: flex;
  align-items: center;
  gap: 6px;
  font-size: 0.78rem;
  color: var(--color-fg-subtle);
  margin-top: auto;
  padding-top: var(--space-2);
  border-top: 1px dashed var(--color-border-soft);
}
@media (max-width: 900px) {
  .goods-grid { grid-template-columns: 1fr; }
}
@media (max-width: 720px) {
  .goods-section .related-heading { flex-wrap: wrap; row-gap: 4px; }
  .goods-section .related-heading h3 { white-space: nowrap; }
  .goods-section .related-heading .hint { flex-basis: 100%; order: 3; }
  .goods-view-all { white-space: nowrap; }
}

/* ============== 通用页头（列表 / 分类 / 标签 / 搜索） ============== */

.page-header {
  margin-bottom: var(--space-6);
}
.page-header h1 {
  margin: 0 0 var(--space-2);
  font-size: clamp(1.7rem, 2.4vw + 0.4rem, 2.2rem);
  letter-spacing: -0.02em;
}
.page-header .section-description,
.page-header .taxonomy-meta {
  color: var(--color-fg-muted);
  margin: 0;
}
.page-header .taxonomy-meta { font-size: 0.88rem; margin-top: var(--space-2); }
.page-header .section-intro { margin-top: var(--space-3); }

.page-header-section-bar {
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
  padding: 4px 12px;
  border-radius: var(--radius-pill);
  background: var(--color-accent-tint);
  color: var(--color-accent-strong);
  font-size: 0.78rem;
  font-weight: 600;
  margin-bottom: var(--space-3);
  letter-spacing: 0.04em;
}

.taxonomy-meta { color: var(--color-fg-muted); font-size: 0.88rem; }

/* ============== 搜索页 ============== */

.search-page-header {
  text-align: center;
  padding: var(--space-5) 0 var(--space-6);
  background: linear-gradient(180deg, rgba(91, 76, 219, 0.06), transparent 60%);
  border-radius: var(--radius-lg);
  margin-bottom: var(--space-6);
}
.search-page-header h1 {
  margin: 0 0 var(--space-2);
}
.search-page-header .hint-text {
  color: var(--color-fg-muted);
  font-size: 0.92rem;
  margin: 0;
}

.search-form { margin: 0 0 var(--space-5); }
.search-label {
  display: block;
  font-size: 0.85rem;
  color: var(--color-fg-muted);
  margin-bottom: var(--space-2);
  font-weight: 600;
}
.search-input-wrap {
  position: relative;
  max-width: 640px;
  margin: 0 auto;
}
.search-input-wrap::before {
  content: '⌕';
  position: absolute;
  left: 16px;
  top: 50%;
  transform: translateY(-50%);
  color: var(--color-fg-muted);
  font-size: 1.1rem;
}
.search-input-wrap kbd.hint-kbd {
  position: absolute;
  right: 14px;
  top: 50%;
  transform: translateY(-50%);
  font-family: var(--font-mono);
  font-size: 0.72rem;
  padding: 3px 7px;
  border-radius: 5px;
  background: var(--color-bg-soft);
  color: var(--color-fg-muted);
  border: 1px solid var(--color-border-soft);
}
#search-input {
  width: 100%;
  padding: 14px 60px 14px 42px;
  font-size: 1rem;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  background: var(--color-bg-elevated);
  color: var(--color-fg);
  transition: border-color 0.15s ease, box-shadow 0.15s ease;
}
#search-input:focus {
  outline: none;
  border-color: var(--color-accent);
  box-shadow: var(--shadow-focus);
}
.search-status {
  color: var(--color-fg-muted);
  font-size: 0.88rem;
  margin: var(--space-3) auto 0;
  max-width: 640px;
  text-align: center;
}
.search-fallback {
  background: var(--color-accent-tint);
  border-left: 3px solid var(--color-accent);
  padding: var(--space-3) var(--space-4);
  border-radius: var(--radius-sm);
  color: var(--color-fg);
  font-size: 0.95rem;
}

.search-suggest {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-2);
  margin-top: var(--space-4);
  justify-content: center;
}
.search-suggest-chip {
  padding: 6px 14px;
  border-radius: var(--radius-pill);
  background: var(--color-bg-soft);
  color: var(--color-fg-muted);
  font-size: 0.85rem;
  border: 1px solid var(--color-border-soft);
  transition: background 0.15s ease, color 0.15s ease, border-color 0.15s ease;
}
.search-suggest-chip:hover {
  background: var(--color-accent);
  color: #fff;
  border-color: var(--color-accent);
  text-decoration: none;
}

.search-results-meta {
  margin-top: var(--space-4);
  margin-bottom: var(--space-3);
  font-size: 0.92rem;
  color: var(--color-fg-muted);
}

/* ============== 关于 / CTA 区 ============== */

.about-card,
.cta-card {
  border: 1px solid var(--color-border-soft);
  background: var(--color-bg-elevated);
  border-radius: var(--radius-lg);
  padding: var(--space-6);
}

.cta-card {
  position: relative;
  overflow: hidden;
  background:
    radial-gradient(800px 300px at 90% -20%, rgba(124, 108, 255, 0.22), transparent 60%),
    linear-gradient(135deg, #ece9ff 0%, #f5f3ff 100%);
  border-color: transparent;
  text-align: center;
}
.cta-card h2 { margin: 0 0 var(--space-2); }
.cta-card p { color: var(--color-fg-muted); margin: 0 0 var(--space-4); }
.cta-card .btn-primary { box-shadow: 0 6px 18px rgba(91, 76, 219, 0.35); }

/* ============== 关于页补充 ============== */

.about-hero {
  display: grid;
  grid-template-columns: 1.3fr 1fr;
  gap: var(--space-7);
  align-items: center;
  margin-bottom: var(--space-7);
}
@media (max-width: 760px) {
  .about-hero { grid-template-columns: 1fr; }
}
.about-quote {
  font-family: var(--font-serif);
  font-size: clamp(1.4rem, 2vw + 0.4rem, 1.9rem);
  line-height: 1.4;
  color: var(--color-fg-strong);
  margin: 0 0 var(--space-4);
  letter-spacing: -0.01em;
}
.about-quote::before {
  content: '「';
  color: var(--color-accent);
  font-size: 1.3em;
  line-height: 0;
  margin-right: 6px;
  vertical-align: -0.15em;
}
.about-quote::after {
  content: '」';
  color: var(--color-accent);
  font-size: 1.3em;
  line-height: 0;
  margin-left: 4px;
  vertical-align: -0.15em;
}
.about-figure {
  border-radius: var(--radius-lg);
  padding: var(--space-6);
  background:
    linear-gradient(135deg, var(--color-accent) 0%, #8a7cff 100%);
  color: #fff;
  text-align: center;
  box-shadow: var(--shadow-md);
  position: relative;
  overflow: hidden;
}
.about-figure::before {
  content: '';
  position: absolute;
  inset: 0;
  background-image: radial-gradient(rgba(255,255,255,0.16) 1px, transparent 1px);
  background-size: 18px 18px;
  opacity: 0.5;
}
.about-figure-big {
  font-size: clamp(2.5rem, 5vw, 3.5rem);
  font-weight: 800;
  letter-spacing: -0.02em;
  line-height: 1;
  font-variant-numeric: tabular-nums;
  position: relative;
}
.about-figure-label {
  font-size: 0.86rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  margin-top: var(--space-3);
  opacity: 0.85;
  position: relative;
}

.about-stats {
  list-style: none;
  padding: 0;
  margin: var(--space-5) 0 0;
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(120px, 1fr));
  gap: var(--space-3);
}
.about-stats li {
  background: var(--color-bg-soft);
  border-radius: var(--radius-md);
  padding: var(--space-3) var(--space-4);
  text-align: center;
}
.about-stats .v {
  display: block;
  font-size: 1.3rem;
  font-weight: 700;
  color: var(--color-fg-strong);
  font-variant-numeric: tabular-nums;
}
.about-stats .l {
  display: block;
  font-size: 0.76rem;
  color: var(--color-fg-muted);
  letter-spacing: 0.04em;
  text-transform: uppercase;
  margin-top: 4px;
}

/* ============== 页脚 ============== */

.site-footer {
  background: var(--color-bg-inverse);
  color: rgba(244, 244, 248, 0.7);
  padding: var(--space-7) 0 var(--space-5);
  font-size: 0.88rem;
  border-top: 1px solid rgba(255, 255, 255, 0.06);
  margin-top: var(--space-8);
}
.site-footer .container {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-6);
  align-items: flex-start;
}
.site-footer-brand {
  flex: 1 1 240px;
  display: flex;
  flex-direction: column;
  gap: var(--space-2);
}
.site-footer-name {
  color: #fff;
  font-weight: 700;
  font-size: 1.05rem;
  letter-spacing: 0.04em;
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
}
.site-footer-name .footer-mark {
  width: 26px; height: 26px;
  border-radius: 7px;
  background: linear-gradient(135deg, var(--color-accent), #8a7cff);
  display: inline-flex;
  align-items: center;
  justify-content: center;
  color: #fff;
  font-family: var(--font-serif);
  font-size: 0.9rem;
}
.site-footer-desc {
  color: rgba(244, 244, 248, 0.6);
  font-size: 0.86rem;
  margin-top: var(--space-1);
  max-width: 360px;
  line-height: 1.6;
}
.site-footer-cols {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-6);
  flex: 2 1 360px;
}
.site-footer-col {
  flex: 1 1 140px;
}
.site-footer-col h4 {
  color: rgba(244, 244, 248, 0.92);
  font-size: 0.84rem;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  margin: 0 0 var(--space-3);
}
.site-footer-col ul {
  list-style: none;
  padding: 0;
  margin: 0;
  display: flex;
  flex-direction: column;
  gap: var(--space-2);
}
.site-footer-col a { color: rgba(244, 244, 248, 0.7); }
.site-footer-col a:hover { color: #fff; }

.site-footer-bottom {
  width: 100%;
  border-top: 1px solid rgba(255, 255, 255, 0.08);
  padding-top: var(--space-4);
  margin-top: var(--space-5);
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  align-items: center;
  gap: var(--space-3);
  color: rgba(244, 244, 248, 0.55);
  font-size: 0.82rem;
}

/* ============== 空状态 ============== */

.empty-state {
  text-align: center;
  padding: var(--space-7) var(--space-5);
  background: var(--color-bg-soft);
  border-radius: var(--radius-lg);
  color: var(--color-fg-muted);
}
.empty-state h3 { color: var(--color-fg-strong); margin-bottom: var(--space-2); }

/* ============== 滚动到顶部按钮 ============== */

.to-top {
  position: fixed;
  right: var(--space-5);
  bottom: var(--space-5);
  width: 44px;
  height: 44px;
  border-radius: 50%;
  background: var(--color-accent);
  color: #fff;
  border: none;
  font-size: 1.1rem;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  box-shadow: var(--shadow-md);
  opacity: 0;
  pointer-events: none;
  transform: translateY(8px);
  transition: opacity 0.2s ease, transform 0.2s ease, background 0.2s ease;
  z-index: 40;
}
.to-top.is-visible {
  opacity: 1;
  pointer-events: auto;
  transform: translateY(0);
}
.to-top:hover { background: var(--color-accent-strong); }
.to-top:focus-visible { outline: none; box-shadow: var(--shadow-focus); }

/* ============== 移动端适配 ============== */

@media (max-width: 1023px) {
  .toc { display: none; }
  .featured-card { grid-template-columns: 1fr; }
  .featured-card-cover { min-height: 220px; }
}

@media (max-width: 760px) {
  :root { --space-7: 40px; --space-8: 56px; }

  .nav-toggle { display: inline-flex; }
  .site-header .container { padding: var(--space-2) var(--space-4); }
  .site-brand-tag { display: none; }
  .site-nav {
    position: absolute;
    top: 100%;
    left: 0;
    right: 0;
    flex-direction: column;
    align-items: stretch;
    gap: 0;
    background: var(--color-bg-inverse);
    padding: var(--space-2) var(--space-4) var(--space-3);
    border-bottom: 1px solid rgba(255, 255, 255, 0.06);
    box-shadow: var(--shadow-md);
    max-height: 0;
    overflow: hidden;
    visibility: hidden;
    transition: max-height 0.25s ease, visibility 0s linear 0.25s;
  }
  .site-nav.is-open {
    max-height: 460px;
    visibility: visible;
    transition: max-height 0.25s ease, visibility 0s linear 0s;
  }
  .site-nav a {
    padding: var(--space-3) var(--space-2);
    border-radius: var(--radius-sm);
    border-bottom: 1px solid rgba(255, 255, 255, 0.06);
  }
  .site-nav a:last-child { border-bottom: none; }
  .site-nav-search { margin-left: 0; justify-content: center; }

  .home-hero { padding: var(--space-6) var(--space-4); }
  .home-hero-meta { gap: var(--space-3) var(--space-4); padding: var(--space-4); }

  .post-article { padding: var(--space-5) var(--space-4); }

  .featured-card-body { padding: var(--space-5); }

  .to-top { right: var(--space-4); bottom: var(--space-4); }

  .about-hero { gap: var(--space-4); }
}

@media (max-width: 480px) {
  .post-grid { grid-template-columns: 1fr; }
  .category-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .home-hero-actions { flex-direction: column; align-items: stretch; }
  .home-hero-actions .btn { width: 100%; }
  .btn { justify-content: center; }

  .site-footer-cols { gap: var(--space-5); grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .site-footer-col:last-child { grid-column: 1 / -1; }
  .about-stats { grid-template-columns: repeat(2, minmax(0, 1fr)); }
}

/* ============== 工具类 ============== */

.visually-hidden {
  position: absolute;
  width: 1px; height: 1px;
  margin: -1px; padding: 0;
  overflow: hidden; clip: rect(0, 0, 0, 0);
  white-space: nowrap; border: 0;
}

.text-center { text-align: center; }

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after {
    transition: none !important;
    animation: none !important;
  }
  html { scroll-behavior: auto; }
}

/* 移动端首屏压缩：优先露出第一个内容模块 */
@media (max-width: 760px) {
  .home-hero { padding: var(--space-6) var(--space-4); }
  .home-hero-eyebrow { margin-bottom: var(--space-4); }
  .home-hero h1 { font-size: clamp(2rem, 9vw, 2.65rem); line-height: 1.16; letter-spacing: -0.035em; }
  .home-hero-lede { max-width: 30rem; margin: var(--space-4) 0 0; font-size: 0.96rem; line-height: 1.65; }
  .home-hero-actions { margin-top: var(--space-5); gap: 0.55rem; }
  .home-hero-actions .btn { min-height: 44px; padding: 0.7rem 1rem; }
  .home-hero-quick { margin-top: var(--space-5); gap: 0.45rem; }
  .home-hero-quick-link { max-width: 12rem; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
  .home-hero-meta { display: none; }
}

/* ============================
   工具箱 + 工具卡 + 合规广告位
   （盈利验证第二轮新增）
============================ */

.toolbox { padding: var(--space-7) var(--space-4) var(--space-8); max-width: 80rem; margin: 0 auto; }
.toolbox__head { padding-bottom: var(--space-5); border-bottom: 1px solid var(--color-border); margin-bottom: var(--space-6); }
.toolbox__crumb { font-size: 0.86rem; color: var(--color-fg-muted); margin-bottom: var(--space-3); }
.toolbox__crumb a { color: inherit; text-decoration: none; }
.toolbox__crumb a:hover { color: var(--color-fg); text-decoration: underline; }
.toolbox__title { font-size: clamp(1.8rem, 4.5vw, 2.4rem); letter-spacing: -0.02em; margin: 0 0 var(--space-3); }
.toolbox__desc { color: var(--color-fg-muted); max-width: 50rem; line-height: 1.65; margin: 0 0 var(--space-4); }
.toolbox__meta { list-style: none; padding: 0; margin: 0; display: flex; flex-wrap: wrap; gap: var(--space-4); font-size: 0.85rem; color: var(--color-fg-muted); }
.toolbox__meta strong { color: var(--color-fg); }

.toolbox__intro { padding: var(--space-4) 0 var(--space-6); line-height: 1.78; }
.toolbox__intro h2 { font-size: 1.2rem; margin-top: var(--space-4); }

.toolbox__grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(280px, 1fr)); gap: var(--space-4); margin: var(--space-5) 0 var(--space-7); }
.toolbox-item { background: var(--color-bg-elevated); border: 1px solid var(--color-border); border-radius: 12px; padding: var(--space-4); transition: border-color 0.18s ease, transform 0.18s ease; }
.toolbox-item:hover { border-color: var(--color-fg-muted); transform: translateY(-2px); }
.toolbox-item__title { font-size: 1.05rem; margin: 0 0 var(--space-2); letter-spacing: -0.01em; }
.toolbox-item__title a { color: var(--color-fg-strong); text-decoration: none; }
.toolbox-item__desc { color: var(--color-fg-muted); font-size: 0.92rem; line-height: 1.55; margin: 0 0 var(--space-3); }
.toolbox-item__more a { font-size: 0.88rem; color: var(--color-fg); text-decoration: none; border-bottom: 1px dashed var(--color-border); }
.toolbox-item__more a:hover { border-bottom-color: var(--color-fg); }

.tool-page { padding: var(--space-7) var(--space-4) var(--space-8); max-width: 56rem; margin: 0 auto; }
.tool-page__crumb { font-size: 0.86rem; color: var(--color-fg-muted); margin-bottom: var(--space-3); }
.tool-page__crumb a { color: inherit; }
.tool-page__lede { font-size: 1.05rem; color: var(--color-fg-muted); line-height: 1.7; margin: 0 0 var(--space-5); }
.tool-page__body { line-height: 1.85; }
.tool-page__body h2 { font-size: 1.4rem; margin: var(--space-7) 0 var(--space-3); letter-spacing: -0.015em; }
.tool-page__body table { width: 100%; border-collapse: collapse; margin: var(--space-4) 0; font-size: 0.92rem; }
.tool-page__body th, .tool-page__body td { padding: 0.55rem 0.7rem; border: 1px solid var(--color-border); text-align: left; vertical-align: top; }
.tool-page__body th { background: var(--color-bg-soft); }
.tool-page__body pre { background: var(--color-bg-soft); padding: var(--space-3); border-radius: 8px; overflow-x: auto; font-size: 0.86rem; line-height: 1.55; }
.tool-page__body code { font-size: 0.92em; }
.tool-page__foot { margin-top: var(--space-7); padding-top: var(--space-4); border-top: 1px dashed var(--color-border); font-size: 0.85rem; color: var(--color-fg-muted); }

/* 工具卡 (partial) */
.tool-card { background: var(--color-bg-elevated); border: 1px solid var(--color-border); border-radius: 12px; padding: var(--space-4); margin: var(--space-4) 0; }
.tool-card__head { display: flex; align-items: baseline; gap: var(--space-3); margin-bottom: var(--space-3); }
.tool-card__kind { font-size: 0.72rem; letter-spacing: 0.06em; text-transform: uppercase; background: var(--color-bg-soft); color: var(--color-fg-muted); padding: 0.18rem 0.45rem; border-radius: 4px; }
.tool-card__title { font-size: 1.05rem; margin: 0; letter-spacing: -0.01em; }
.tool-card__grid { display: grid; grid-template-columns: 6rem 1fr; gap: 0.4rem 0.9rem; font-size: 0.92rem; line-height: 1.6; margin: 0 0 var(--space-3); }
.tool-card__grid dt { color: var(--color-fg-muted); }
.tool-card__grid dd { margin: 0; color: var(--color-fg); }
.tool-card__foot { display: flex; flex-wrap: wrap; gap: var(--space-3); align-items: center; padding-top: var(--space-3); border-top: 1px dashed var(--color-border); font-size: 0.88rem; }
.tool-card__link { color: var(--color-fg); text-decoration: none; border-bottom: 1px dashed var(--color-border); }
.tool-card__link:hover { border-bottom-color: var(--color-fg); }
.tool-card__ad-placeholder { display: inline-flex; align-items: center; gap: 0.45rem; background: var(--color-bg-soft); border: 1px dashed var(--color-fg-subtle); border-radius: 6px; padding: 0.25rem 0.55rem; }
.tool-card__ad-tag { font-size: 0.7rem; background: var(--color-bg-inverse); color: var(--color-fg-inverse); padding: 0.1rem 0.35rem; border-radius: 3px; }
.tool-card__ad-text { color: var(--color-fg-muted); font-size: 0.8rem; }
.tool-card__tags { list-style: none; padding: 0; margin: 0; display: flex; gap: 0.45rem; flex-wrap: wrap; }
.tool-card__tags li { font-size: 0.78rem; color: var(--color-fg-muted); }
.tool-card__note { font-size: 0.85rem; color: var(--color-fg-muted); line-height: 1.6; margin: var(--space-3) 0 0; }

/* 合规广告位 (partial) */
.ad-slot { background: var(--color-bg-elevated); border: 1px solid var(--color-border); border-radius: 10px; padding: var(--space-4); margin: var(--space-5) 0; }
.ad-slot__bar { display: flex; align-items: center; gap: var(--space-3); margin-bottom: var(--space-3); }
.ad-slot__tag { font-size: 0.7rem; letter-spacing: 0.08em; background: var(--color-bg-inverse); color: var(--color-fg-inverse); padding: 0.18rem 0.5rem; border-radius: 4px; }
.ad-slot__partner { font-size: 0.82rem; color: var(--color-fg-muted); }
.ad-slot__promo { display: flex; align-items: center; gap: var(--space-5); flex-wrap: wrap; }
.ad-slot__text { flex: 1 1 320px; min-width: 0; }
.ad-slot__title { font-size: 0.98rem; font-weight: 600; color: var(--color-fg-strong); margin: 0 0 var(--space-2); }
.ad-slot__body { font-size: 0.88rem; color: var(--color-fg-muted); line-height: 1.7; margin: 0; }
.ad-slot__deal { font-size: 0.88rem; font-weight: 600; color: var(--color-accent); margin: var(--space-2) 0 0; }
.ad-slot__cta { display: inline-block; flex-shrink: 0; background: var(--color-accent); color: #fff; font-size: 0.88rem; font-weight: 500; padding: 0.5rem 1.1rem; border-radius: 8px; text-decoration: none; transition: background 0.15s ease; }
.ad-slot__cta:hover { background: var(--color-accent-strong); color: #fff; }
.ad-slot__caption { font-size: 0.82rem; color: var(--color-fg-subtle); margin: var(--space-3) 0 0; }
@media (max-width: 720px) { .ad-slot__cta { width: 100%; text-align: center; } }

@media (max-width: 720px) {
  .toolbox, .tool-page { padding: var(--space-5) var(--space-3) var(--space-7); }
  .tool-card__grid { grid-template-columns: 1fr; gap: 0.25rem 0; }
  .tool-card__grid dt { font-size: 0.78rem; }
}

/* ===== 场景商品卡(product-grid / product-card shortcode)2026-08-27 ===== */
.shop-demo { border: 1px solid var(--color-fg-subtle); border-radius: 12px; margin: var(--space-5) 0; overflow: hidden; background: var(--color-bg-soft); }
.shop-demo__bar { display: flex; align-items: center; gap: var(--space-3); padding: var(--space-3) var(--space-4); background: var(--color-bg-inverse); }
.shop-demo__tag { font-size: 0.7rem; letter-spacing: 0.08em; background: #d97706; color: #fff; padding: 0.18rem 0.5rem; border-radius: 4px; white-space: nowrap; }
.shop-demo__title { font-weight: 700; color: var(--color-fg-inverse); }
.shop-demo__sum { margin-left: auto; font-size: 0.85rem; color: var(--color-fg-inverse); opacity: 0.85; white-space: nowrap; }
.shop-demo__grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(240px, 1fr)); gap: var(--space-3); padding: var(--space-4); }
.shop-demo__note { margin: 0; padding: var(--space-3) var(--space-4); font-size: 0.8rem; color: var(--color-fg-muted); border-top: 1px dashed var(--color-fg-subtle); }

.pcard { position: relative; display: flex; flex-direction: column; gap: 0.5rem; background: var(--color-bg); border: 1px solid var(--color-fg-subtle); border-radius: 10px; padding: var(--space-4); transition: transform .15s ease, box-shadow .15s ease; }
.pcard__img { width: 100%; aspect-ratio: 1 / 1; object-fit: cover; border-radius: 8px; background: var(--color-bg-soft); }
/* 带图变体:图片是标题旁小缩略图(96px),文字内容仍是主体,保持"先介绍后链接"的内容密度 */
.pcard--media { display: grid; grid-template-columns: 96px 1fr; gap: 0.75rem; align-items: start; }
.pcard--media .pcard__img { width: 96px; height: 96px; aspect-ratio: auto; }
.pcard--media .pcard__body { display: flex; flex-direction: column; gap: 0.5rem; min-width: 0; }
.pcard--media .pcard__actions { grid-column: 1 / -1; }
.pcard:hover { transform: translateY(-2px); box-shadow: 0 6px 16px rgba(0,0,0,0.08); }
.pcard__head { display: flex; justify-content: space-between; align-items: baseline; gap: 0.5rem; }
.pcard__name { font-size: 1rem; margin: 0; }
.pcard__price { color: #c2410c; font-weight: 700; white-space: nowrap; }
.pcard__tag { align-self: flex-start; font-size: 0.72rem; padding: 0.14rem 0.45rem; border-radius: 999px; background: rgba(217,119,6,0.12); color: #92400e; }
.pcard__facts { list-style: none; margin: 0; padding: 0; font-size: 0.85rem; line-height: 1.65; color: var(--color-fg-muted); display: flex; flex-direction: column; gap: 0.25rem; }
.pcard__facts li b { display: inline-block; margin-right: 0.4rem; font-size: 0.72rem; padding: 0.06rem 0.35rem; border-radius: 3px; }
.pcard__pro b { background: rgba(22,163,74,0.12); color: #15803d; }
.pcard__con b { background: rgba(220,38,38,0.10); color: #b91c1c; }
.pcard__btn { margin-top: auto; text-align: center; border-radius: 8px; padding: 0.55rem 0; font-size: 0.9rem; font-weight: 600; text-decoration: none; }
.pcard__btn--placeholder { background: repeating-linear-gradient(135deg, transparent, transparent 5px, rgba(0,0,0,0.04) 5px, rgba(0,0,0,0.04) 6px), var(--color-bg-soft); color: var(--color-fg-muted); border: 1px dashed var(--color-fg-subtle); cursor: not-allowed; }
/* 特异性 (0,2,1) 必须压过 .post-content a / .post-content a:hover 的 (0,1,1)/(0,2,1),
   否则按钮文字被全局链接色染成紫色 → 紫底紫字隐形(2026-09-14 实测踩坑) */
.post-content a.pcard__btn--live, a.pcard__btn--live { background: var(--color-accent); color: #fff; transition: background 0.15s ease; }
.post-content a.pcard__btn--live:hover, a.pcard__btn--live:hover { background: var(--color-accent-strong); color: #fff; }
.pcard__actions { display: flex; gap: 0.5rem; margin-top: auto; }
/* a 与 button 的 UA 默认(行高/字体/边框)不同,必须显式统一规格,否则并排按钮一高一矮 */
.pcard__actions .pcard__btn {
  flex: 1; display: flex; align-items: center; justify-content: center;
  min-height: 42px; padding: 0.4rem 0.75rem; line-height: 1.3;
  font: inherit; box-sizing: border-box; margin-top: 0;
}
.pcard__btn--tkl { background: var(--color-bg-elevated); color: var(--color-accent); border: 1px solid var(--color-accent); cursor: pointer; -webkit-appearance: none; appearance: none; }
.pcard__btn--tkl:hover { background: var(--color-accent-soft); }
.pcard__btn--tkl-done { background: var(--color-accent-soft); color: var(--color-accent-strong); border-color: var(--color-accent-strong); }
.pcard__promo { margin: 0; font-size: 0.85rem; }
.pcard__promo b { display: inline-block; margin-right: 0.4rem; padding: 0.1rem 0.45rem; border-radius: 4px; font-size: 0.72rem; background: rgba(217,119,6,0.12); color: #b45309; }
.post-content a.pcard__btn--placeholder, a.pcard__btn--placeholder { color: var(--color-fg-muted); border: 1px dashed var(--color-fg-subtle); }
.post-content a.pcard__btn--placeholder:hover, a.pcard__btn--placeholder:hover { color: var(--color-fg-muted); border-bottom: none; }