/* ==========================================================================
   抗遗忘单词表 · 内容页轻量样式
   自包含：不依赖打包后的 Tailwind 产物（那些类名已被 purge）
   ========================================================================== */

:root {
  --cp-primary: #ff8a3c;
  --cp-primary-dark: #e8742a;
  --cp-secondary: #ffb38a;
  --cp-tint: #fff7f0;
  --cp-text: #1f2937;
  --cp-text-2: #4b5563;
  --cp-text-3: #6b7280;
  --cp-line: #eaeaea;
  --cp-bg: #ffffff;
  --cp-bg-soft: #fafafa;
  --cp-radius: 12px;
}

* { box-sizing: border-box; }

html { scroll-behavior: smooth; }

body {
  margin: 0;
  background: var(--cp-bg);
  color: var(--cp-text);
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC",
    "Hiragino Sans GB", "Microsoft YaHei", "Helvetica Neue", Arial, sans-serif;
  font-size: 16px;
  line-height: 1.75;
  -webkit-font-smoothing: antialiased;
}

a { color: var(--cp-primary-dark); text-decoration: none; }
a:hover { text-decoration: underline; }

.cp-wrap { width: 100%; max-width: 1080px; margin: 0 auto; padding: 0 20px; }

/* ---------------------------------------------------------------- header */

.cp-header {
  position: sticky;
  top: 0;
  z-index: 20;
  background: rgba(255, 255, 255, 0.94);
  backdrop-filter: saturate(180%) blur(8px);
  border-bottom: 1px solid var(--cp-line);
}

.cp-header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  min-height: 64px;
}

.cp-brand { display: inline-flex; align-items: center; gap: 10px; text-decoration: none; }
.cp-brand:hover { text-decoration: none; }

.cp-logo {
  width: 36px; height: 36px;
  display: grid; place-items: center;
  border-radius: 10px;
  background: linear-gradient(135deg, var(--cp-primary), var(--cp-secondary));
  color: #fff; font-weight: 700; font-size: 18px;
}

.cp-brand-text { display: flex; flex-direction: column; line-height: 1.2; }
.cp-brand-text strong { font-size: 17px; color: var(--cp-text); }
.cp-brand-text em { font-style: normal; font-size: 12px; color: var(--cp-text-3); }

.cp-nav { display: flex; flex-wrap: wrap; gap: 4px 18px; font-size: 15px; }
.cp-nav a { color: var(--cp-text-2); }
.cp-nav a:hover { color: var(--cp-primary-dark); text-decoration: none; }

/* ------------------------------------------------------------ 主体/面包屑 */

.cp-main { padding: 24px 0 56px; }

.cp-crumbs ol {
  display: flex; flex-wrap: wrap; gap: 6px;
  margin: 0 0 18px; padding: 0; list-style: none;
  font-size: 13px; color: var(--cp-text-3);
}
.cp-crumbs li { display: inline-flex; align-items: center; }
.cp-crumbs li + li::before { content: "›"; margin: 0 8px; color: #cbd5e1; }
.cp-crumbs a { color: var(--cp-text-3); }
.cp-crumbs li[aria-current] { color: var(--cp-text-2); }

/* ---------------------------------------------------------------- 文章 */

.cp-article { max-width: 820px; }

.cp-article h1 {
  font-size: clamp(24px, 3.4vw, 32px);
  line-height: 1.35;
  margin: 0 0 12px;
}

.cp-article h2 {
  font-size: 21px;
  margin: 34px 0 12px;
  padding-left: 12px;
  border-left: 4px solid var(--cp-primary);
}

.cp-article h3 { font-size: 18px; margin: 26px 0 10px; }
.cp-article h4 { font-size: 16px; margin: 22px 0 8px; }
.cp-article p { margin: 12px 0; color: var(--cp-text-2); }
.cp-article ul, .cp-article ol { margin: 12px 0; padding-left: 22px; color: var(--cp-text-2); }
.cp-article li { margin: 6px 0; }

.cp-article blockquote {
  margin: 18px 0; padding: 14px 18px;
  background: var(--cp-tint);
  border-left: 4px solid var(--cp-secondary);
  border-radius: 0 var(--cp-radius) var(--cp-radius) 0;
}
.cp-article blockquote p { margin: 4px 0; }

.cp-article code {
  background: #f3f4f6; padding: 2px 6px;
  border-radius: 6px; font-size: 0.92em;
}

.cp-article hr { border: 0; border-top: 1px solid var(--cp-line); margin: 28px 0; }

.cp-lede { font-size: 17px; color: var(--cp-text-2); margin: 0 0 8px; }

.cp-meta, .cp-byline {
  display: flex; flex-wrap: wrap; gap: 8px 18px;
  font-size: 13px; color: var(--cp-text-3);
  margin: 0 0 18px;
}
.cp-byline { padding-bottom: 14px; border-bottom: 1px solid var(--cp-line); }

/* ---------------------------------------------------------------- 词表 */

.cp-words {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(150px, 1fr));
  gap: 8px;
  margin: 16px 0 20px;
}

.cp-word {
  display: block;
  padding: 8px 12px;
  background: var(--cp-bg-soft);
  border: 1px solid var(--cp-line);
  border-radius: 8px;
  font-family: ui-monospace, SFMono-Regular, Menlo, Consolas, monospace;
  font-size: 14px;
  color: var(--cp-text);
  overflow-wrap: anywhere;
}

/* ---------------------------------------------------------------- 表格 */

.cp-table {
  width: 100%;
  border-collapse: collapse;
  margin: 16px 0;
  font-size: 15px;
}
.cp-table th, .cp-table td {
  padding: 10px 12px;
  text-align: left;
  border-bottom: 1px solid var(--cp-line);
  vertical-align: top;
}
.cp-table thead th { background: var(--cp-bg-soft); font-weight: 600; color: var(--cp-text-2); }

/* ---------------------------------------------------------------- 列表 */

.cp-links, .cp-posts { list-style: none; padding: 0; margin: 16px 0; }
.cp-links li { padding: 8px 0; border-bottom: 1px dashed var(--cp-line); }
.cp-count { color: var(--cp-text-3); font-size: 13px; margin-left: 6px; }

.cp-post { padding: 16px 0; border-bottom: 1px solid var(--cp-line); list-style: none; }
.cp-post h2 { margin: 0 0 6px; font-size: 19px; font-weight: 600; }
.cp-post p { margin: 4px 0; color: var(--cp-text-2); font-size: 15px; }
.cp-post-meta { display: flex; gap: 16px; font-size: 13px; color: var(--cp-text-3); }

/* -------------------------------------------------------------- 提示/翻页 */

.cp-note {
  font-size: 13px;
  color: var(--cp-text-3);
  background: var(--cp-bg-soft);
  border-radius: var(--cp-radius);
  padding: 12px 14px;
  margin: 18px 0;
}

/* 页内目录 */
.cp-toc {
  margin: 18px 0 26px;
  padding: 14px 18px;
  background: var(--cp-bg-soft);
  border: 1px solid var(--cp-line);
  border-radius: var(--cp-radius);
}
.cp-toc ol {
  display: flex;
  flex-wrap: wrap;
  gap: 8px 20px;
  margin: 0;
  padding-left: 18px;
  font-size: 14px;
}
.cp-toc li { margin: 0; }

.cp-pager {
  display: flex; align-items: center; justify-content: space-between;
  gap: 12px; margin: 24px 0; font-size: 15px;
}
.cp-pager span { flex: 1; }

/* ------------------------------------------------------------------ CTA */

.cp-cta {
  display: flex; flex-wrap: wrap; align-items: center; justify-content: space-between;
  gap: 16px;
  margin: 34px 0 0;
  padding: 22px 24px;
  border-radius: var(--cp-radius);
  background: linear-gradient(135deg, #fff3e8, #fff);
  border: 1px solid #ffe2cc;
}
.cp-cta h2 { margin: 0 0 4px; font-size: 18px; }
.cp-cta p { margin: 0; color: var(--cp-text-2); font-size: 14px; }
.cp-cta-actions { display: flex; flex-wrap: wrap; gap: 10px; }

.cp-btn {
  display: inline-block;
  padding: 10px 20px;
  border-radius: 10px;
  background: linear-gradient(135deg, var(--cp-primary), var(--cp-secondary));
  color: #fff !important;
  font-weight: 600;
  font-size: 15px;
  text-decoration: none;
}
.cp-btn:hover { text-decoration: none; filter: brightness(1.04); }

.cp-btn-ghost { background: #1f2937; }

/* ---------------------------------------------------------------- footer */

.cp-footer {
  margin-top: 40px;
  padding: 40px 0 24px;
  background: #1f2937;
  color: #d1d5db;
  font-size: 14px;
}
.cp-footer-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(190px, 1fr));
  gap: 24px;
}
.cp-footer h3 { margin: 0 0 10px; font-size: 16px; color: #fff; }
.cp-footer h4 { margin: 0 0 10px; font-size: 15px; color: #e5e7eb; }
.cp-footer p { margin: 8px 0; color: #9ca3af; }
.cp-footer ul { list-style: none; margin: 0; padding: 0; }
.cp-footer li { margin: 6px 0; color: #9ca3af; }
.cp-footer a { color: #d1d5db; }
.cp-footer a:hover { color: #fff; }
.cp-footer .cp-btn { font-size: 14px; padding: 8px 16px; }

.cp-legal {
  margin-top: 28px; padding-top: 18px;
  border-top: 1px solid #374151;
  font-size: 13px; color: #9ca3af;
}
.cp-legal p { margin: 4px 0; }

/* --------------------------------------------------------------- 响应式 */

@media (max-width: 640px) {
  .cp-header-inner { flex-wrap: wrap; padding: 10px 0; }
  .cp-nav { font-size: 14px; gap: 4px 14px; }
  .cp-article h1 { font-size: 22px; }
  .cp-cta { flex-direction: column; align-items: flex-start; }
}