/* ============================================================
   年度技术回顾页样式 (review-2023/2024/2025.html)
   由内联样式抽取合并，保持视觉效果不变
   ============================================================ */

/* ---- CSS Variables ---- */
.review-page {
  --bg: #f3f5f8;
  --paper: #ffffff;
  --ink: #1f2937;
  --muted: #5b6472;
  --line: #d8dee8;
  --primary: #123b67;
  --primary-soft: #eaf1f8;
  --accent: #9a6b2f;
  --chip: #eef3f9;
  --shadow: 0 24px 60px rgba(21, 34, 50, 0.08);
  margin: 0;
  padding: 32px 20px 48px;
  background: linear-gradient(180deg, #eef2f6 0%, #f8fafc 100%);
  color: var(--ink);
  font-family: "Microsoft YaHei", "PingFang SC", "Segoe UI", sans-serif;
  line-height: 1.65;
}

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

/* ---- Page Card ---- */
.review-page .page {
  width: min(1120px, 100%);
  margin: 0 auto;
  background: var(--paper);
  border: 1px solid rgba(18, 59, 103, 0.08);
  box-shadow: var(--shadow);
  border-radius: 8px;
  position: relative;
}

/* ---- Hero Header ---- */
.review-page .hero {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 32px 42px;
  border-bottom: 1px solid var(--line);
  background:
    radial-gradient(circle at top right, rgba(18, 59, 103, 0.12), transparent 34%),
    linear-gradient(135deg, #fbfcfe 0%, #f4f8fc 100%);
}

.review-page .hero h1 {
  margin: 0;
  font-family: Georgia, "Times New Roman", serif;
  font-size: 28px;
  color: var(--primary);
}

/* ---- Back Button ---- */
.review-page .btn-back {
  display: inline-flex;
  align-items: center;
  padding: 8px 16px;
  font-size: 14px;
  color: var(--primary);
  background: var(--paper);
  border-radius: 6px;
  text-decoration: none;
  font-weight: bold;
  border: 1px solid rgba(18, 59, 103, 0.15);
  transition: all 0.2s ease;
  box-shadow: 0 2px 4px rgba(18, 59, 103, 0.04);
}

.review-page .btn-back:hover {
  background: var(--primary);
  color: #fff;
  border-color: var(--primary);
  box-shadow: 0 4px 8px rgba(18, 59, 103, 0.1);
}

/* ---- Content Area ---- */
.review-page .content {
  background: #fff;
  border-radius: 0 0 8px 8px;
}

.review-page .content-main {
  padding: 42px;
}

/* ---- Markdown Content Styles ---- */
.review-page .content-main h1 {
  font-size: 28px;
  color: var(--primary);
  margin-top: 0;
  margin-bottom: 24px;
  border-bottom: 2px solid var(--primary-soft);
  padding-bottom: 12px;
}

.review-page .content-main h2 {
  font-size: 22px;
  color: var(--primary);
  margin-top: 40px;
  margin-bottom: 16px;
  border-left: 4px solid var(--accent);
  padding-left: 14px;
}

.review-page .content-main h3 {
  font-size: 18px;
  color: var(--primary);
  margin-top: 32px;
  margin-bottom: 12px;
}

.review-page .content-main h4 {
  font-size: 16px;
  color: var(--ink);
  margin-top: 24px;
  margin-bottom: 10px;
  font-weight: bold;
}

.review-page .content-main p {
  margin-bottom: 16px;
  color: #334155;
  font-size: 15px;
}

.review-page .content-main ul,
.review-page .content-main ol {
  padding-left: 24px;
  margin-bottom: 20px;
  color: #374151;
  font-size: 15px;
}

.review-page .content-main li {
  margin-bottom: 8px;
}

.review-page .content-main code {
  background: var(--chip);
  padding: 2px 6px;
  border-radius: 4px;
  font-family: Consolas, Monaco, monospace;
  font-size: 14px;
  color: #b04636;
  border: 1px solid rgba(18, 59, 103, 0.08);
}

/* ---- Footer ---- */
.review-page .foot {
  padding: 20px 42px;
  border-top: 1px solid var(--line);
  font-size: 13px;
  color: #6b7280;
  background: #fcfdff;
  text-align: center;
}

/* ============================================================
   TOC Sidebar (左侧固定目录导航)
   ============================================================ */
.review-page .toc-sidebar {
  position: fixed;
  top: 32px;
  left: calc(50% - 560px - 384px);
  width: 360px;
  max-height: calc(100vh - 64px);
  padding: 24px 0;
  background: rgba(255, 255, 255, 0.95);
  backdrop-filter: blur(8px);
  border: 1px solid var(--line);
  border-radius: 8px;
  box-shadow: 0 10px 30px rgba(18, 59, 103, 0.06);
  z-index: 10;
  display: flex;
  flex-direction: column;
}

.review-page .toc-sidebar h3 {
  margin-top: 0;
  margin-bottom: 12px;
  padding: 4px 24px 12px 24px;
  font-size: 16px;
  color: var(--primary);
  border-bottom: 1px solid var(--line);
}

.review-page .toc-sidebar ul {
  list-style: none;
  padding: 0;
  margin: 0;
  position: sticky;
  top: 24px;
  max-height: calc(100vh - 48px);
  overflow-y: auto;
  overflow-x: hidden;
}

.review-page .toc-sidebar li {
  margin-bottom: 2px;
  border-radius: 6px;
  transition: background-color 0.2s;
}

.review-page .toc-sidebar li.active-li {
  background: var(--primary);
  position: relative;
  border-radius: 6px;
  box-shadow: 0 4px 12px rgba(18, 59, 103, 0.15);
  transform: translateX(4px);
  transition: all 0.2s ease;
}

.review-page .toc-sidebar li.toc-h2 {
  font-weight: bold;
  margin-top: 6px;
}

.review-page .toc-sidebar li.toc-h3 {
  margin-left: 12px;
  position: relative;
}

.review-page .toc-sidebar li.toc-h3::after {
  content: "";
  position: absolute;
  left: 10px;
  top: 0;
  bottom: 0;
  width: 1px;
  background: rgba(18, 59, 103, 0.1);
  z-index: 1;
}

.review-page .toc-sidebar li.toc-h3.active-li::after {
  display: none;
}

.review-page .toc-sidebar a {
  color: var(--muted);
  text-decoration: none;
  font-size: 13px;
  display: block;
  line-height: 1.3;
  padding: 6px 10px;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
  border-radius: 6px;
  transition: all 0.2s;
}

.review-page .toc-sidebar li.toc-h3 a {
  padding-left: 18px;
  font-size: 12px;
}

.review-page .toc-sidebar a:hover {
  color: var(--primary);
  background: rgba(18, 59, 103, 0.04);
}

.review-page .toc-sidebar li.active-li a,
.review-page .toc-sidebar a.active {
  color: #ffffff !important;
  font-weight: bold;
}

.review-page .toc-sidebar li.active-li a:hover {
  background: transparent;
}

/* TOC Sidebar responsive */
@media (max-width: 1960px) {
  .review-page .toc-sidebar {
    left: 20px;
  }
}

@media (max-width: 1540px) {
  .review-page .toc-sidebar {
    display: none;
  }
}

/* ============================================================
   Back to Top Button (返回顶部悬浮按钮)
   ============================================================ */
.review-page .btn-back-to-top {
  position: fixed;
  bottom: 40px;
  right: calc(50% - 560px + 40px);
  width: 48px;
  height: 48px;
  background: var(--primary);
  border: none;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  color: #ffffff;
  text-decoration: none;
  box-shadow: 0 4px 12px rgba(18, 59, 103, 0.3);
  opacity: 0;
  visibility: hidden;
  transform: translateY(20px);
  transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
  z-index: 100;
  cursor: pointer;
}

.review-page .btn-back-to-top.show {
  opacity: 1;
  visibility: visible;
  transform: translateY(0);
}

.review-page .btn-back-to-top:hover {
  background: #0d2a4a;
  box-shadow: 0 8px 24px rgba(18, 59, 103, 0.4);
  transform: translateY(-4px);
}

.review-page .btn-back-to-top::before {
  content: "";
  width: 12px;
  height: 12px;
  border-top: 2px solid currentColor;
  border-left: 2px solid currentColor;
  transform: rotate(45deg);
  margin-top: 4px;
}

@media (max-width: 1200px) {
  .review-page .btn-back-to-top {
    right: 20px;
  }
}

/* ============================================================
   Responsive: 小平板 + 手机
   ============================================================ */
@media (max-width: 900px) {
  .review-page .content {
    grid-template-columns: 1fr;
  }
  .review-page .toc-sidebar {
    display: none;
  }
}

@media (max-width: 640px) {
  .review-page .hero {
    flex-direction: column;
    gap: 20px;
    align-items: flex-start;
    padding: 24px 20px;
  }
  .review-page .content {
    padding: 24px 20px;
  }
  .review-page .foot {
    padding: 20px;
  }
}

/* ============================================================
   通用文档页 / 文档中心样式
   ============================================================ */
.doc-page .doc-shell,
.docs-index-page .docs-index-shell {
  width: min(1180px, calc(100% - 32px));
  margin: 0 auto;
  padding: 36px 0 44px;
}

.doc-page .doc-header,
.doc-page .doc-article {
  width: min(980px, 100%);
  margin: 0 auto;
}

.doc-page .doc-header {
  padding: 30px 34px;
  margin-bottom: 18px;
  background:
    radial-gradient(circle at top right, color-mix(in srgb, var(--primary) 16%, transparent), transparent 28%),
    linear-gradient(180deg, color-mix(in srgb, var(--surface-strong) 100%, transparent) 0%, var(--surface) 100%);
}

.doc-page .doc-header h1 {
  margin: 10px 0 12px;
  color: var(--heading);
  font-family: Georgia, "Times New Roman", serif;
  font-size: clamp(32px, 6vw, 46px);
  line-height: 1.12;
}

.doc-page .doc-header p {
  margin: 0;
  color: var(--text-soft);
}

.doc-page .doc-article {
  padding: 34px 38px;
}

.doc-page .doc-article h1,
.doc-page .doc-article h2,
.doc-page .doc-article h3,
.doc-page .doc-article h4 {
  color: var(--heading);
  font-family: Georgia, "Times New Roman", serif;
  margin-top: 1.5em;
  margin-bottom: 0.6em;
}

.doc-page .doc-article h1 {
  font-size: 34px;
}

.doc-page .doc-article h2 {
  font-size: 28px;
}

.doc-page .doc-article h3 {
  font-size: 22px;
}

.doc-page .doc-article h4 {
  font-size: 18px;
}

.doc-page .doc-article p,
.doc-page .doc-article li,
.doc-page .docs-empty {
  color: var(--text-soft);
}

.doc-page .doc-article p {
  margin: 0 0 1em;
}

.doc-page .doc-article ul,
.doc-page .doc-article ol {
  margin: 0 0 1em 1.25em;
}

.doc-page .doc-article li {
  margin-bottom: 0.45em;
}

.doc-page .doc-article code {
  padding: 2px 7px;
  border-radius: 7px;
  background: var(--surface-soft);
  color: var(--primary-strong);
  font-family: Consolas, "Courier New", monospace;
  font-size: 0.95em;
}

.doc-page .doc-article pre {
  margin: 0 0 1.2em;
  padding: 16px 18px;
  border-radius: 16px;
  background: color-mix(in srgb, var(--surface-soft) 92%, transparent);
  border: 1px solid var(--line);
  overflow-x: auto;
}

.doc-page .doc-article pre code {
  padding: 0;
  border-radius: 0;
  background: transparent;
  color: var(--heading);
  font-size: 13px;
  line-height: 1.7;
}

.doc-page .doc-article hr {
  margin: 1.6em 0;
  border: none;
  border-top: 1px solid var(--line);
}

.doc-page .table-wrap {
  overflow-x: auto;
  margin: 0 0 1.2em;
}

.doc-page .doc-article table {
  width: 100%;
  border-collapse: collapse;
  border: 1px solid var(--line);
  background: color-mix(in srgb, var(--surface-strong) 96%, transparent);
  border-radius: 16px;
  overflow: hidden;
}

.doc-page .doc-article th,
.doc-page .doc-article td {
  padding: 12px 14px;
  border-bottom: 1px solid var(--line);
  text-align: left;
  vertical-align: top;
}

.doc-page .doc-article th {
  color: var(--heading);
  background: color-mix(in srgb, var(--surface-soft) 92%, transparent);
  font-weight: 700;
}

.doc-page .doc-article tr:last-child td {
  border-bottom: none;
}

.docs-index-page .docs-section {
  width: min(1180px, 100%);
  margin: 0 auto 22px;
}

.docs-index-page .docs-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 14px;
}

.docs-index-page .doc-card {
  display: block;
  padding: 22px;
  border-radius: 22px;
  border: 1px solid var(--line);
  background: var(--surface);
  box-shadow: var(--shadow);
  transition: transform 0.2s ease, border-color 0.2s ease, box-shadow 0.2s ease;
}

.docs-index-page .doc-card:hover {
  transform: translateY(-3px);
  border-color: var(--primary);
  box-shadow: 0 28px 56px rgba(19, 37, 62, 0.12);
}

.docs-index-page .doc-card__eyebrow {
  display: inline-flex;
  margin-bottom: 14px;
  padding: 6px 10px;
  border-radius: 999px;
  background: var(--chip-bg);
  border: 1px solid var(--chip-border);
  color: var(--accent);
  font-size: 12px;
  letter-spacing: 0.8px;
  text-transform: uppercase;
}

.docs-index-page .doc-card strong {
  display: block;
  margin-bottom: 10px;
  color: var(--heading);
  font-size: 20px;
  line-height: 1.4;
}

.docs-index-page .doc-card p {
  margin: 0;
  color: var(--text-soft);
  font-size: 14px;
  line-height: 1.7;
}

.docs-index-page .docs-empty {
  margin: 0;
  padding: 20px 22px;
  border-radius: 18px;
  border: 1px dashed var(--line);
  background: var(--surface-soft);
}

@media (max-width: 1024px) {
  .docs-index-page .docs-grid {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 760px) {
  .doc-page .doc-header,
  .doc-page .doc-article {
    padding: 20px;
  }
}

/* ============================================================
   新生成文档页 / 文档中心
   ============================================================ */
.generated-doc-page .hero,
.docs-hub-page .hero {
  align-items: flex-start;
  gap: 20px;
}

.generated-doc-page .hero-copy,
.docs-hub-page .hero-copy {
  display: grid;
  gap: 10px;
}

.generated-doc-page .hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
}

.generated-doc-page .doc-kicker,
.docs-hub-page .doc-kicker {
  display: inline-flex;
  align-items: center;
  width: fit-content;
  padding: 6px 12px;
  border-radius: 999px;
  border: 1px solid var(--chip-border);
  background: var(--chip-bg);
  color: var(--accent);
  font-size: 12px;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.generated-doc-page .doc-intro,
.docs-hub-page .hero p,
.docs-hub-page .content-main > p,
.docs-hub-page .docs-empty {
  color: var(--text-soft);
}

.generated-doc-page .content-main table {
  width: 100%;
  margin: 0 0 24px;
  border-collapse: collapse;
  border-radius: 18px;
  overflow: hidden;
  border: 1px solid rgba(15, 23, 42, 0.08);
  background: rgba(255, 255, 255, 0.92);
}

.generated-doc-page .content-main th,
.generated-doc-page .content-main td {
  padding: 12px 14px;
  border-bottom: 1px solid rgba(15, 23, 42, 0.08);
  text-align: left;
  vertical-align: top;
}

.generated-doc-page .content-main th {
  color: #12243a;
  background: rgba(245, 247, 250, 0.96);
}

.generated-doc-page .content-main tr:last-child td {
  border-bottom: none;
}

.generated-doc-page .table-wrap {
  overflow-x: auto;
}

.docs-hub-page .docs-link-list {
  margin: 0 0 32px;
  padding: 0;
  list-style: none;
}

.docs-hub-page .docs-link-list li {
  margin: 0;
  border-bottom: 1px solid rgba(15, 23, 42, 0.08);
}

.docs-hub-page .docs-link-list a {
  display: grid;
  gap: 6px;
  padding: 18px 0;
  color: inherit;
  text-decoration: none;
}

.docs-hub-page .docs-link-list a:hover strong {
  color: #005cdd;
}

.docs-hub-page .doc-link-meta {
  color: var(--accent);
  font-size: 12px;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.docs-hub-page .docs-link-list strong {
  color: var(--heading);
  font-size: 20px;
  transition: color 0.2s ease;
}

.docs-hub-page .docs-link-list span:last-child {
  color: var(--text-soft);
  line-height: 1.75;
}

@media (max-width: 640px) {
  .generated-doc-page .hero-actions {
    width: 100%;
  }

  .generated-doc-page .hero-actions .btn-back,
  .docs-hub-page .btn-back {
    width: 100%;
    justify-content: center;
  }
}