/* ============================================================
   91黑料网 · 全站样式表
   农业产地风 × 风险研判主题
   ============================================================ */

/* ============================================================
   1. Base —— 变量、重置、全局基础
   ============================================================ */
:root {
  --color-primary: #1F3D2B;
  --color-primary-dark: #162B1F;
  --color-primary-light: #2A5238;
  --color-accent: #C89B3C;
  --color-accent-light: #D9B45C;
  --color-bg: #F5F1E8;
  --color-bg-deep: #ECE6D8;
  --color-card: #FFFFFF;
  --color-text: #2B2B2B;
  --color-text-light: #5A5A5A;
  --color-text-muted: #8A8A8A;
  --color-border: #DCD5C7;
  --color-border-dark: #C4BBA8;
  --color-footer-bg: #162B1F;
  --color-footer-text: #C9D4CB;
  --color-footer-heading: #E8EDE9;
  --font-serif: Georgia, 'Times New Roman', 'Songti SC', 'SimSun', serif;
  --font-sans: -apple-system, BlinkMacSystemFont, 'Segoe UI', 'Microsoft YaHei', 'PingFang SC', sans-serif;
  --container-width: 1200px;
  --container-padding: 24px;
  --header-height: 68px;
  --radius-sm: 4px;
  --radius-md: 8px;
  --radius-lg: 8px;
  --shadow-sm: 0 1px 3px rgba(31, 61, 43, 0.08);
  --shadow-md: 0 4px 12px rgba(31, 61, 43, 0.1);
  --shadow-lg: 0 8px 24px rgba(31, 61, 43, 0.12);
  --transition-fast: 0.2s ease;
  --transition-normal: 0.3s ease;
}

*,
*::before,
*::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

html {
  font-size: 16px;
  -webkit-text-size-adjust: 100%;
  scroll-behavior: smooth;
}

body {
  font-family: var(--font-sans);
  font-size: 16px;
  line-height: 1.75;
  color: var(--color-text);
  background-color: var(--color-bg);
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

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

a {
  color: var(--color-primary);
  text-decoration: none;
  transition: color var(--transition-fast);
}

a:hover {
  color: var(--color-accent);
}

ul,
ol {
  list-style: none;
}

h1,
h2,
h3,
h4,
h5,
h6 {
  font-family: var(--font-serif);
  color: var(--color-primary-dark);
  line-height: 1.4;
}

h1 {
  font-size: 32px;
  line-height: 1.4;
}

h2 {
  font-size: 24px;
  line-height: 1.5;
}

h3 {
  font-size: 18px;
  line-height: 1.6;
}

p {
  margin-bottom: 1rem;
}

strong {
  font-weight: 600;
  color: var(--color-primary-dark);
}

/* 通用容器 */
.site-header,
.site-main,
.site-footer,
.breadcrumb-wrap,
.page-layout {
  width: 100%;
}

/* ============================================================
   2. Layout —— 页头、页脚、主容器、面包屑
   ============================================================ */

/* ---- 页头 ---- */
.site-header {
  position: sticky;
  top: 0;
  z-index: 1000;
  height: var(--header-height);
  background-color: var(--color-primary);
  box-shadow: 0 2px 8px rgba(0, 0, 0, 0.15);
}

.header-inner {
  max-width: var(--container-width);
  height: var(--header-height);
  margin: 0 auto;
  padding: 0 var(--container-padding);
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
}

.logo {
  font-family: var(--font-serif);
  font-size: 22px;
  font-weight: 700;
  color: #FFFFFF;
  white-space: nowrap;
  letter-spacing: 0.02em;
}

.logo:hover {
  color: var(--color-accent-light);
}

/* ---- 主导航 ---- */
.main-nav {
  display: flex;
  align-items: center;
}

.nav-list {
  display: flex;
  align-items: center;
  gap: 4px;
}

.nav-list > li {
  position: relative;
}

.nav-list > li > a {
  display: flex;
  align-items: center;
  padding: 8px 12px;
  font-size: 15px;
  font-weight: 500;
  color: #D5E0D8;
  border-radius: var(--radius-sm);
  white-space: nowrap;
  transition: background-color var(--transition-fast), color var(--transition-fast);
}

.nav-list > li > a:hover {
  color: #FFFFFF;
  background-color: rgba(255, 255, 255, 0.1);
}

.nav-list > li > a.is-current {
  color: var(--color-accent-light);
  background-color: rgba(255, 255, 255, 0.08);
}

/* 下拉菜单 */
.has-dropdown {
  position: relative;
}

.dropdown-menu {
  position: absolute;
  top: calc(100% + 8px);
  left: 0;
  min-width: 180px;
  padding: 8px 0;
  background-color: #FFFFFF;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-lg);
  opacity: 0;
  visibility: hidden;
  transform: translateY(-6px);
  transition: opacity var(--transition-fast), transform var(--transition-fast), visibility var(--transition-fast);
  z-index: 100;
}

.has-dropdown:hover .dropdown-menu,
.has-dropdown:focus-within .dropdown-menu {
  opacity: 1;
  visibility: visible;
  transform: translateY(0);
}

.dropdown-menu li a {
  display: block;
  padding: 8px 16px;
  font-size: 14px;
  color: var(--color-text);
  white-space: nowrap;
}

.dropdown-menu li a:hover {
  color: var(--color-primary);
  background-color: var(--color-bg);
}

/* ---- 面包屑 ---- */
.breadcrumb {
  max-width: var(--container-width);
  margin: 0 auto;
  padding: 16px var(--container-padding) 0;
  font-size: 14px;
  color: var(--color-text-muted);
}

.breadcrumb a {
  color: var(--color-text-muted);
}

.breadcrumb a:hover {
  color: var(--color-primary);
}

.breadcrumb-sep {
  margin: 0 8px;
  color: var(--color-border-dark);
}

.breadcrumb-current {
  color: var(--color-text);
  font-weight: 500;
}

.breadcrumb-wrap {
  background-color: var(--color-bg-deep);
  border-bottom: 1px solid var(--color-border);
}

/* ---- 页脚 ---- */
.site-footer {
  background-color: var(--color-footer-bg);
  color: var(--color-footer-text);
  margin-top: 64px;
}

.footer-inner {
  max-width: var(--container-width);
  margin: 0 auto;
  padding: 48px var(--container-padding) 32px;
  display: grid;
  grid-template-columns: 2fr 1fr 1fr;
  gap: 48px;
}

.footer-brand {
  font-family: var(--font-serif);
  font-size: 20px;
  font-weight: 700;
  color: var(--color-footer-heading);
  margin-bottom: 12px;
}

.footer-desc {
  font-size: 14px;
  line-height: 1.7;
  color: var(--color-footer-text);
  max-width: 380px;
}

.footer-col h3 {
  font-family: var(--font-sans);
  font-size: 15px;
  font-weight: 600;
  color: var(--color-footer-heading);
  margin-bottom: 16px;
  letter-spacing: 0.04em;
}

.footer-col ul li {
  margin-bottom: 10px;
}

.footer-col ul li a {
  font-size: 14px;
  color: var(--color-footer-text);
}

.footer-col ul li a:hover {
  color: var(--color-accent-light);
}

.footer-bottom {
  border-top: 1px solid rgba(255, 255, 255, 0.1);
  padding: 20px var(--container-padding);
  text-align: center;
}

.footer-bottom p {
  font-size: 13px;
  color: rgba(255, 255, 255, 0.5);
  margin: 0;
}

/* ---- 内页主容器 ---- */
.site-main {
  min-height: 60vh;
}

.inner-main {
  max-width: var(--container-width);
  margin: 0 auto;
  padding: 0 var(--container-padding) 48px;
}

/* 内页标题区 */
.page-header {
  padding: 32px 0 8px;
}

.page-title {
  font-size: 32px;
  font-weight: 700;
  color: var(--color-primary-dark);
  line-height: 1.4;
}

.page-title-area {
  padding: 8px 0 32px;
}

.page-intro,
.page-lead,
.page-description {
  font-size: 16px;
  line-height: 1.75;
  color: var(--color-text-light);
  max-width: 720px;
  margin-bottom: 0;
}

/* 通用区块标题与描述 */
.section-title {
  font-size: 24px;
  font-weight: 700;
  margin-bottom: 16px;
}

.section-desc {
  font-size: 15px;
  line-height: 1.7;
  color: var(--color-text-light);
  margin-bottom: 24px;
  max-width: 720px;
}

/* ---- 首页主容器 ---- */
.home-main {
  max-width: var(--container-width);
  margin: 0 auto;
  padding: 0 var(--container-padding);
}

/* ============================================================
   3. Components —— 按钮、标签、卡片、列表、表格、FAQ、侧栏
   ============================================================ */

/* ---- 按钮 ---- */
.btn-primary {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 12px 24px;
  font-size: 15px;
  font-weight: 600;
  color: #FFFFFF;
  background-color: var(--color-primary);
  border: 1px solid var(--color-primary);
  border-radius: var(--radius-md);
  cursor: pointer;
  transition: background-color var(--transition-fast), border-color var(--transition-fast), transform var(--transition-fast);
  min-height: 44px;
}

.btn-primary:hover {
  background-color: var(--color-primary-light);
  border-color: var(--color-primary-light);
  color: #FFFFFF;
  transform: translateY(-1px);
}

.btn-secondary {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 12px 24px;
  font-size: 15px;
  font-weight: 600;
  color: var(--color-primary);
  background-color: transparent;
  border: 1px solid var(--color-primary);
  border-radius: var(--radius-md);
  cursor: pointer;
  transition: background-color var(--transition-fast), color var(--transition-fast), transform var(--transition-fast);
  min-height: 44px;
}

.btn-secondary:hover {
  background-color: var(--color-primary);
  color: #FFFFFF;
  transform: translateY(-1px);
}

/* ---- 状态标签 ---- */
.status-tag {
  display: inline-block;
  padding: 3px 10px;
  font-size: 12px;
  font-weight: 600;
  color: var(--color-primary);
  background-color: rgba(31, 61, 43, 0.08);
  border: 1px solid rgba(31, 61, 43, 0.2);
  border-radius: 999px;
  white-space: nowrap;
}

/* ---- 折叠面板（通用 FAQ） ---- */
.faq-item {
  background-color: var(--color-card);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  margin-bottom: 12px;
  overflow: hidden;
}

.faq-item summary {
  padding: 16px 20px;
  font-size: 15px;
  font-weight: 600;
  color: var(--color-text);
  cursor: pointer;
  list-style: none;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  transition: background-color var(--transition-fast);
}

.faq-item summary::-webkit-details-marker {
  display: none;
}

.faq-item summary::after {
  content: '+';
  flex-shrink: 0;
  font-size: 20px;
  font-weight: 400;
  color: var(--color-accent);
  transition: transform var(--transition-fast);
}

.faq-item[open] summary {
  background-color: var(--color-bg);
}

.faq-item[open] summary::after {
  transform: rotate(45deg);
}

.faq-item summary:hover {
  background-color: var(--color-bg);
}

.faq-item p {
  padding: 0 20px 16px;
  font-size: 14px;
  line-height: 1.7;
  color: var(--color-text-light);
  margin: 0;
}

.faq-item p a {
  color: var(--color-primary);
  font-weight: 500;
}

/* ---- 相关链接条（首页与内页底部） ---- */
.related-links {
  max-width: var(--container-width);
  margin: 0 auto;
  padding: 24px var(--container-padding);
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 12px;
  border-top: 1px solid var(--color-border);
}

.related-links-label {
  font-size: 14px;
  font-weight: 600;
  color: var(--color-text-muted);
  margin-right: 4px;
}

.related-links-item {
  font-size: 14px;
  color: var(--color-primary);
  padding: 6px 12px;
  border: 1px solid var(--color-border);
  border-radius: 999px;
  background-color: var(--color-card);
  transition: border-color var(--transition-fast), background-color var(--transition-fast);
}

.related-links-item:hover {
  border-color: var(--color-primary);
  background-color: rgba(31, 61, 43, 0.04);
}

/* ---- 侧栏通用 ---- */
.sidebar-area,
.sidebar {
  min-width: 0;
}

.sidebar-block,
.aside-block {
  background-color: var(--color-card);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  padding: 20px;
  margin-bottom: 20px;
}

.sidebar-block h2,
.sidebar-block h3,
.aside-block h3 {
  font-family: var(--font-sans);
  font-size: 15px;
  font-weight: 600;
  color: var(--color-primary-dark);
  margin-bottom: 14px;
  padding-bottom: 10px;
  border-bottom: 2px solid var(--color-accent);
}

.sidebar-links li,
.aside-block ul li {
  margin-bottom: 10px;
}

.sidebar-links li a,
.aside-block ul li a {
  font-size: 14px;
  color: var(--color-text);
  display: inline-flex;
  align-items: center;
  gap: 6px;
}

.sidebar-links li a::before,
.aside-block ul li a::before {
  content: '';
  width: 4px;
  height: 4px;
  background-color: var(--color-accent);
  border-radius: 50%;
  flex-shrink: 0;
}

.sidebar-links li a:hover,
.aside-block ul li a:hover {
  color: var(--color-primary);
}

/* ---- 图片通用约束 ---- */
figure {
  margin: 0;
}

figure img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

figcaption {
  font-size: 13px;
  color: var(--color-text-muted);
  line-height: 1.6;
  margin-top: 8px;
}

/* ============================================================
   4. Pages —— 首页各模块
   ============================================================ */

/* ---- 首屏 hero ---- */
.hero-section {
  padding: 48px 0 32px;
}

.hero-layout {
  display: grid;
  grid-template-columns: 1.2fr 0.8fr;
  gap: 48px;
  align-items: start;
}

.hero-text {
  min-width: 0;
}

.hero-text h1 {
  font-size: 34px;
  line-height: 1.4;
  margin-bottom: 16px;
  color: var(--color-primary-dark);
}

.hero-slogan {
  font-family: var(--font-serif);
  font-size: 18px;
  line-height: 1.7;
  color: var(--color-primary);
  margin-bottom: 12px;
  font-style: italic;
}

.hero-desc {
  font-size: 15px;
  line-height: 1.8;
  color: var(--color-text-light);
  margin-bottom: 24px;
}

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

/* 研判准备清单卡片 */
.checklist-card {
  background-color: var(--color-card);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: 24px;
  box-shadow: var(--shadow-md);
  min-width: 0;
}

.checklist-card h2 {
  font-size: 18px;
  font-weight: 700;
  margin-bottom: 16px;
  padding-bottom: 12px;
  border-bottom: 2px solid var(--color-accent);
}

.checklist {
  display: flex;
  flex-direction: column;
  gap: 14px;
}

.checklist li {
  display: flex;
  align-items: flex-start;
  gap: 12px;
}

.check-icon {
  flex-shrink: 0;
  width: 28px;
  height: 28px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 14px;
  color: #FFFFFF;
  background-color: var(--color-accent);
  border-radius: 50%;
}

.check-item {
  font-size: 14px;
  line-height: 1.6;
  color: var(--color-text);
}

.checklist-note {
  margin: 16px 0 0;
  padding-top: 12px;
  border-top: 1px dashed var(--color-border-dark);
  font-size: 13px;
  color: var(--color-text-muted);
}

/* 首屏配图 */
.content-media-primary {
  grid-column: 1 / -1;
  margin-top: 32px;
  border-radius: var(--radius-lg);
  overflow: hidden;
  position: relative;
}

.content-media-primary img {
  aspect-ratio: 16 / 5;
  min-height: 200px;
}

.content-media-primary figcaption {
  padding: 12px 16px;
  background-color: var(--color-card);
}

/* ---- 问题背景区 ---- */
.bg-section {
  padding: 48px 0;
}

.bg-container {
  background-color: var(--color-card);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: 40px;
}

.bg-container h2 {
  font-size: 24px;
  margin-bottom: 20px;
}

.bg-text {
  font-size: 15px;
  line-height: 1.8;
  color: var(--color-text-light);
  max-width: 800px;
}

.bg-container h3 {
  font-size: 16px;
  font-weight: 600;
  color: var(--color-primary-dark);
  margin: 28px 0 16px;
}

.info-forms {
  display: grid;
  grid-template-columns: repeat(5, 1fr);
  gap: 12px;
}

.info-forms li {
  background-color: var(--color-bg);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  padding: 14px 16px;
  font-size: 14px;
  color: var(--color-text);
  text-align: center;
  line-height: 1.5;
}

/* ---- 密集目录表 ---- */
.directory-section {
  padding: 48px 0;
}

.directory-container {
  background-color: var(--color-card);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: 40px;
}

.directory-container h2 {
  font-size: 24px;
  margin-bottom: 8px;
}

.directory-toolbar {
  display: flex;
  align-items: center;
  gap: 12px;
  margin: 20px 0 16px;
}

.directory-toolbar label {
  font-size: 14px;
  color: var(--color-text-muted);
}

.directory-toolbar select,
.toolbar-sort select {
  padding: 8px 12px;
  font-size: 14px;
  font-family: var(--font-sans);
  color: var(--color-text);
  background-color: var(--color-bg);
  border: 1px solid var(--color-border-dark);
  border-radius: var(--radius-sm);
  cursor: pointer;
  min-height: 40px;
}

.table-wrap {
  overflow-x: auto;
  -webkit-overflow-scrolling: touch;
}

.dense-table {
  width: 100%;
  border-collapse: collapse;
  font-size: 14px;
  min-width: 640px;
}

.dense-table thead th {
  padding: 12px 16px;
  text-align: left;
  font-size: 13px;
  font-weight: 600;
  color: #FFFFFF;
  background-color: var(--color-primary);
  border-bottom: 2px solid var(--color-primary-dark);
  white-space: nowrap;
}

.dense-table tbody td {
  padding: 12px 16px;
  border-bottom: 1px solid var(--color-border);
  line-height: 1.6;
  vertical-align: middle;
}

.dense-table tbody tr:last-child td {
  border-bottom: none;
}

.dense-table tbody tr:hover td {
  background-color: rgba(200, 155, 60, 0.06);
}

.dense-table .status-tag {
  font-size: 12px;
}

/* ---- 工作现场图组 ---- */
.field-gallery {
  padding: 48px 0;
}

.gallery-container h2 {
  font-size: 24px;
  margin-bottom: 8px;
}

.gallery-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 20px;
  margin-top: 24px;
}

.gallery-item {
  background-color: var(--color-card);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  overflow: hidden;
  transition: transform var(--transition-fast), box-shadow var(--transition-fast);
}

.gallery-item:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-md);
}

.gallery-item img {
  aspect-ratio: 4 / 3;
  width: 100%;
}

.gallery-item figcaption {
  padding: 16px;
  margin: 0;
}

.gallery-item h3 {
  font-size: 16px;
  font-weight: 600;
  margin-bottom: 6px;
  color: var(--color-primary-dark);
}

.gallery-item p {
  font-size: 13px;
  line-height: 1.6;
  color: var(--color-text-light);
  margin: 0;
}

/* ---- 学习路径预览 ---- */
.path-preview {
  padding: 48px 0;
}

.path-container {
  background-color: var(--color-card);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: 40px;
}

.path-container h2 {
  font-size: 24px;
  margin-bottom: 8px;
}

.path-list {
  display: flex;
  flex-direction: column;
  gap: 16px;
  margin-top: 24px;
}

.path-row {
  display: grid;
  grid-template-columns: 180px 1fr auto;
  gap: 24px;
  align-items: center;
  padding: 20px 24px;
  background-color: var(--color-bg);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  transition: border-color var(--transition-fast);
}

.path-row:hover {
  border-color: var(--color-accent);
}

.path-row h3 {
  font-size: 16px;
  font-weight: 600;
  color: var(--color-primary-dark);
  white-space: nowrap;
}

.path-row p {
  font-size: 14px;
  line-height: 1.6;
  color: var(--color-text-light);
  margin: 0;
  min-width: 0;
}

.path-row a {
  font-size: 14px;
  font-weight: 600;
  color: var(--color-primary);
  white-space: nowrap;
  padding: 8px 16px;
  border: 1px solid var(--color-primary);
  border-radius: var(--radius-sm);
  transition: background-color var(--transition-fast), color var(--transition-fast);
}

.path-row a:hover {
  background-color: var(--color-primary);
  color: #FFFFFF;
}

/* ---- 合作流程预览 ---- */
.process-preview {
  padding: 48px 0;
}

.process-container {
  background-color: var(--color-primary);
  border-radius: var(--radius-lg);
  padding: 40px;
  color: #E8EDE9;
}

.process-container h2 {
  color: #FFFFFF;
  margin-bottom: 32px;
}

.process-steps {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}

.process-step {
  background-color: rgba(255, 255, 255, 0.06);
  border: 1px solid rgba(255, 255, 255, 0.15);
  border-radius: var(--radius-md);
  padding: 24px;
}

.step-num {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 36px;
  height: 36px;
  font-family: var(--font-serif);
  font-size: 18px;
  font-weight: 700;
  color: var(--color-primary);
  background-color: var(--color-accent);
  border-radius: 50%;
  margin-bottom: 14px;
}

.process-step h3 {
  font-size: 16px;
  font-weight: 600;
  color: #FFFFFF;
  margin-bottom: 10px;
}

.process-step p {
  font-size: 14px;
  line-height: 1.7;
  color: rgba(255, 255, 255, 0.8);
  margin-bottom: 8px;
}

.process-step p:last-child {
  margin-bottom: 0;
}

.process-step p strong {
  color: var(--color-accent-light);
  font-weight: 600;
}

.process-link {
  margin-top: 32px;
  text-align: center;
}

.process-link a {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-size: 15px;
  font-weight: 600;
  color: var(--color-accent-light);
  border-bottom: 1px solid var(--color-accent-light);
  padding-bottom: 2px;
}

.process-link a:hover {
  color: #FFFFFF;
  border-bottom-color: #FFFFFF;
}

/* ---- FAQ 区（首页） ---- */
.faq-section {
  padding: 48px 0;
}

.faq-container h2 {
  font-size: 24px;
  margin-bottom: 24px;
}

/* ---- 合作引导条 ---- */
.cta-strip {
  padding: 48px 0 0;
}

.cta-container {
  background-color: var(--color-accent);
  border-radius: var(--radius-lg);
  padding: 40px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 24px;
}

.cta-container p {
  font-size: 17px;
  font-weight: 600;
  color: var(--color-primary-dark);
  margin: 0;
  max-width: 560px;
}

.cta-container .btn-primary {
  background-color: var(--color-primary-dark);
  border-color: var(--color-primary-dark);
}

.cta-container .btn-primary:hover {
  background-color: var(--color-primary);
  border-color: var(--color-primary);
}

/* ============================================================
   5. Pages —— 内页：课程目录 courses
   ============================================================ */

.course-intro-media {
  margin-bottom: 40px;
}

.course-media-figure {
  border-radius: var(--radius-lg);
  overflow: hidden;
}

.course-media-figure img {
  aspect-ratio: 21 / 7;
  min-height: 180px;
}

.course-media-figure figcaption {
  padding: 12px 16px;
  background-color: var(--color-card);
  border: 1px solid var(--color-border);
  border-top: none;
  border-radius: 0 0 var(--radius-md) var(--radius-md);
}

.course-directory-section {
  margin-bottom: 48px;
}

.section-heading-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 16px;
  margin-bottom: 24px;
}

.section-heading-row h2 {
  font-size: 24px;
}

.toolbar-sort {
  display: flex;
  align-items: center;
  gap: 12px;
}

.toolbar-sort label {
  font-size: 14px;
  color: var(--color-text-muted);
}

.course-list {
  display: flex;
  flex-direction: column;
  gap: 16px;
}

.course-item {
  background-color: var(--color-card);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  padding: 24px;
  transition: border-color var(--transition-fast), box-shadow var(--transition-fast);
}

.course-item:hover {
  border-color: var(--color-accent);
  box-shadow: var(--shadow-sm);
}

.course-item-header {
  display: flex;
  align-items: center;
  gap: 16px;
  margin-bottom: 12px;
}

.course-number {
  flex-shrink: 0;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 32px;
  height: 32px;
  font-family: var(--font-serif);
  font-size: 16px;
  font-weight: 700;
  color: #FFFFFF;
  background-color: var(--color-primary);
  border-radius: 50%;
}

.course-item-header h3 {
  font-size: 18px;
  font-weight: 600;
  flex: 1;
  min-width: 0;
}

.course-objective {
  font-size: 14px;
  line-height: 1.7;
  color: var(--color-text-light);
  margin: 0 0 12px;
  padding-left: 48px;
}

.course-meta {
  display: flex;
  align-items: center;
  gap: 24px;
  padding-left: 48px;
  margin-bottom: 12px;
}

.meta-difficulty,
.meta-updated {
  font-size: 13px;
  color: var(--color-text-muted);
}

.course-link {
  display: inline-block;
  margin-left: 48px;
  font-size: 14px;
  font-weight: 600;
  color: var(--color-primary);
  border-bottom: 1px solid var(--color-primary);
  padding-bottom: 2px;
}

.course-link:hover {
  color: var(--color-accent);
  border-bottom-color: var(--color-accent);
}

/* 建议学习顺序 */
.suggested-order-section {
  background-color: var(--color-card);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: 40px;
}

.suggested-order-section h2 {
  font-size: 24px;
  margin-bottom: 8px;
}

.suggested-steps {
  display: flex;
  flex-direction: column;
  gap: 16px;
  margin-top: 24px;
}

.suggested-step {
  display: flex;
  align-items: flex-start;
  gap: 16px;
  padding: 16px 20px;
  background-color: var(--color-bg);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
}

.step-number {
  flex-shrink: 0;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 28px;
  height: 28px;
  font-family: var(--font-serif);
  font-size: 15px;
  font-weight: 700;
  color: var(--color-primary);
  background-color: var(--color-accent);
  border-radius: 50%;
}

.step-content {
  font-size: 14px;
  line-height: 1.7;
  color: var(--color-text-light);
  margin: 0;
}

.step-content strong {
  color: var(--color-primary-dark);
}

.suggested-note {
  margin-top: 24px;
  font-size: 14px;
  color: var(--color-text-light);
}

.suggested-note a {
  font-weight: 600;
  color: var(--color-primary);
  border-bottom: 1px solid var(--color-primary);
}

/* ============================================================
   6. Pages —— 内页：研判方法 method
   ============================================================ */

.page-layout {
  max-width: var(--container-width);
  margin: 0 auto;
  padding: 0 var(--container-padding) 48px;
  display: grid;
  grid-template-columns: 1fr 320px;
  gap: 40px;
  align-items: start;
}

.page-layout .inner-main {
  max-width: none;
  padding: 0;
  min-width: 0;
}

.method-steps-section {
  margin-bottom: 48px;
}

.method-steps-section h2 {
  font-size: 24px;
  margin-bottom: 8px;
}

.method-step-block {
  background-color: var(--color-card);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  padding: 28px;
  margin-bottom: 20px;
  border-left: 4px solid var(--color-accent);
}

.step-header {
  display: flex;
  align-items: center;
  gap: 16px;
  margin-bottom: 20px;
}

.step-header .step-number {
  width: 36px;
  height: 36px;
  font-size: 17px;
}

.step-header h3 {
  font-size: 18px;
  font-weight: 600;
  color: var(--color-primary-dark);
}

.step-detail {
  display: grid;
  grid-template-columns: 1fr 1fr 1fr;
  gap: 20px;
}

.step-input,
.step-process,
.step-output {
  min-width: 0;
}

.step-detail h4 {
  font-family: var(--font-sans);
  font-size: 14px;
  font-weight: 600;
  color: var(--color-primary);
  margin-bottom: 10px;
  padding-bottom: 6px;
  border-bottom: 1px solid var(--color-border);
}

.step-input ul {
  list-style: none;
}

.step-input ul li {
  position: relative;
  padding-left: 16px;
  font-size: 14px;
  line-height: 1.7;
  color: var(--color-text-light);
  margin-bottom: 6px;
}

.step-input ul li::before {
  content: '';
  position: absolute;
  left: 0;
  top: 10px;
  width: 6px;
  height: 6px;
  background-color: var(--color-accent);
  border-radius: 50%;
}

.step-process p,
.step-output p {
  font-size: 14px;
  line-height: 1.7;
  color: var(--color-text-light);
  margin: 0;
}

/* 方法证据区 */
.method-evidence-section {
  margin-bottom: 48px;
}

.method-evidence-section h2 {
  font-size: 24px;
  margin-bottom: 20px;
}

.evidence-content {
  display: grid;
  grid-template-columns: 0.8fr 1.2fr;
  gap: 24px;
  align-items: center;
}

.evidence-figure {
  border-radius: var(--radius-md);
  overflow: hidden;
}

.evidence-figure img {
  aspect-ratio: 4 / 3;
}

.evidence-figure figcaption {
  padding: 10px 12px;
  background-color: var(--color-card);
  border: 1px solid var(--color-border);
  border-top: none;
  border-radius: 0 0 var(--radius-md) var(--radius-md);
}

.evidence-text p {
  font-size: 15px;
  line-height: 1.8;
  color: var(--color-text-light);
  margin-bottom: 12px;
}

/* 常见误区 */
.misconceptions-section {
  margin-bottom: 48px;
}

.misconceptions-section h2 {
  font-size: 24px;
  margin-bottom: 20px;
}

.misconception-list {
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.misconception-item {
  background-color: var(--color-card);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  overflow: hidden;
}

.misconception-item summary {
  padding: 16px 20px;
  font-size: 15px;
  font-weight: 600;
  color: var(--color-text);
  cursor: pointer;
  list-style: none;
  display: flex;
  align-items: center;
  gap: 12px;
  transition: background-color var(--transition-fast);
}

.misconception-item summary::-webkit-details-marker {
  display: none;
}

.misconception-item summary::before {
  content: '!';
  flex-shrink: 0;
  width: 24px;
  height: 24px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 14px;
  font-weight: 700;
  color: #FFFFFF;
  background-color: var(--color-accent);
  border-radius: 50%;
}

.misconception-item[open] summary {
  background-color: var(--color-bg);
}

.misconception-item p {
  padding: 0 20px 16px;
  font-size: 14px;
  line-height: 1.7;
  color: var(--color-text-light);
  margin: 0;
}

/* ============================================================
   7. Pages —— 内页：学习路径 learning-path
   ============================================================ */

.page-hero-image {
  margin-bottom: 40px;
  border-radius: var(--radius-lg);
  overflow: hidden;
}

.page-hero-image img {
  aspect-ratio: 21 / 7;
  min-height: 180px;
}

.page-hero-image figcaption {
  padding: 12px 16px;
  background-color: var(--color-card);
  border: 1px solid var(--color-border);
  border-top: none;
  border-radius: 0 0 var(--radius-md) var(--radius-md);
}

.role-path-section {
  background-color: var(--color-card);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: 32px;
  margin-bottom: 24px;
  border-left: 4px solid var(--color-accent);
}

.role-path-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 12px;
  margin-bottom: 12px;
}

.role-path-header h2 {
  font-size: 22px;
  font-weight: 700;
}

.time-badge {
  display: inline-block;
  padding: 4px 14px;
  font-size: 13px;
  font-weight: 600;
  color: var(--color-primary);
  background-color: rgba(200, 155, 60, 0.15);
  border: 1px solid rgba(200, 155, 60, 0.35);
  border-radius: 999px;
  white-space: nowrap;
}

.role-desc {
  font-size: 15px;
  line-height: 1.7;
  color: var(--color-text-light);
  margin-bottom: 20px;
}

.path-content h3 {
  font-family: var(--font-sans);
  font-size: 15px;
  font-weight: 600;
  color: var(--color-primary);
  margin-bottom: 12px;
  padding-bottom: 6px;
  border-bottom: 1px solid var(--color-border);
}

.module-list {
  list-style: none;
  counter-reset: module-counter;
  margin-bottom: 24px;
}

.module-list li {
  counter-increment: module-counter;
  position: relative;
  padding-left: 32px;
  font-size: 14px;
  line-height: 1.7;
  color: var(--color-text);
  margin-bottom: 8px;
}

.module-list li::before {
  content: counter(module-counter);
  position: absolute;
  left: 0;
  top: 2px;
  width: 22px;
  height: 22px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 13px;
  font-weight: 700;
  color: var(--color-primary);
  background-color: rgba(200, 155, 60, 0.2);
  border-radius: 50%;
}

.goal-desc {
  font-size: 14px;
  line-height: 1.7;
  color: var(--color-text-light);
  margin-bottom: 16px;
}

.next-link {
  display: inline-block;
  font-size: 14px;
  font-weight: 600;
  color: var(--color-primary);
  border-bottom: 1px solid var(--color-primary);
  padding-bottom: 2px;
}

.next-link:hover {
  color: var(--color-accent);
  border-bottom-color: var(--color-accent);
}

/* 时间安排 */
.time-arrangement-section {
  background-color: var(--color-card);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: 32px;
  margin-bottom: 24px;
}

.time-arrangement-section h2 {
  font-size: 24px;
  margin-bottom: 20px;
}

.timeline-list {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 20px;
}

.timeline-item {
  padding: 20px;
  background-color: var(--color-bg);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
}

.timeline-item h3 {
  font-size: 16px;
  font-weight: 600;
  color: var(--color-primary-dark);
  margin-bottom: 8px;
}

.timeline-item p {
  font-size: 14px;
  line-height: 1.7;
  color: var(--color-text-light);
  margin-bottom: 12px;
}

.timeline-item a {
  font-size: 14px;
  font-weight: 600;
  color: var(--color-primary);
  border-bottom: 1px solid var(--color-primary);
  padding-bottom: 1px;
}

/* 完成标准 */
.completion-standard {
  background-color: var(--color-primary);
  border-radius: var(--radius-lg);
  padding: 32px;
  color: #E8EDE9;
  margin-bottom: 24px;
}

.completion-standard h2 {
  color: #FFFFFF;
  font-size: 24px;
  margin-bottom: 12px;
}

.completion-standard p {
  font-size: 15px;
  line-height: 1.7;
  color: rgba(255, 255, 255, 0.85);
}

.completion-standard p strong {
  color: var(--color-accent-light);
}

.standard-list {
  list-style: none;
  margin: 20px 0;
}

.standard-list li {
  position: relative;
  padding-left: 28px;
  font-size: 14px;
  line-height: 1.7;
  color: rgba(255, 255, 255, 0.85);
  margin-bottom: 10px;
}

.standard-list li::before {
  content: '✓';
  position: absolute;
  left: 0;
  top: 0;
  font-size: 16px;
  font-weight: 700;
  color: var(--color-accent);
}

.completion-standard .next-link {
  color: var(--color-accent-light);
  border-bottom-color: var(--color-accent-light);
}

.completion-standard .next-link:hover {
  color: #FFFFFF;
  border-bottom-color: #FFFFFF;
}

/* 侧栏 */
.related-links-aside {
  background-color: var(--color-card);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  padding: 20px;
}

.related-links-aside h2 {
  font-family: var(--font-sans);
  font-size: 15px;
  font-weight: 600;
  color: var(--color-primary-dark);
  margin-bottom: 14px;
  padding-bottom: 10px;
  border-bottom: 2px solid var(--color-accent);
}

.aside-links li {
  margin-bottom: 10px;
}

.aside-links li a {
  font-size: 14px;
  color: var(--color-text);
}

.aside-links li a::before {
  content: '';
  display: inline-block;
  width: 4px;
  height: 4px;
  background-color: var(--color-accent);
  border-radius: 50%;
  margin-right: 8px;
  vertical-align: middle;
}

.aside-links li a:hover {
  color: var(--color-primary);
}

/* ============================================================
   8. Pages —— 内页：研究团队 team
   ============================================================ */

.team-roles-section {
  margin-bottom: 40px;
}

.team-roles-section h2 {
  font-size: 24px;
  margin-bottom: 24px;
}

.roles-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 20px;
}

.role-card {
  background-color: var(--color-card);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  padding: 24px;
  transition: border-color var(--transition-fast), box-shadow var(--transition-fast);
}

.role-card:hover {
  border-color: var(--color-accent);
  box-shadow: var(--shadow-sm);
}

.role-card h3 {
  font-size: 17px;
  font-weight: 600;
  color: var(--color-primary-dark);
  margin-bottom: 10px;
  padding-bottom: 8px;
  border-bottom: 2px solid var(--color-accent);
  display: inline-block;
}

.role-card p {
  font-size: 14px;
  line-height: 1.7;
  color: var(--color-text-light);
  margin: 0;
}

/* 团队横幅 */
.team-banner-figure {
  margin-bottom: 48px;
  border-radius: var(--radius-lg);
  overflow: hidden;
}

.team-banner-figure img {
  aspect-ratio: 21 / 6;
  min-height: 180px;
}

.team-banner-figure figcaption {
  padding: 12px 16px;
  background-color: var(--color-card);
  border: 1px solid var(--color-border);
  border-top: none;
  border-radius: 0 0 var(--radius-md) var(--radius-md);
}

/* 工作准则 */
.work-principles-section {
  margin-bottom: 40px;
}

.work-principles-section h2 {
  font-size: 24px;
  margin-bottom: 24px;
}

.principles-list {
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.principles-list li {
  position: relative;
  padding: 16px 20px 16px 48px;
  background-color: var(--color-card);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  font-size: 14px;
  line-height: 1.7;
  color: var(--color-text);
}

.principles-list li::before {
  content: '✓';
  position: absolute;
  left: 16px;
  top: 50%;
  transform: translateY(-50%);
  width: 22px;
  height: 22px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 13px;
  font-weight: 700;
  color: #FFFFFF;
  background-color: var(--color-primary);
  border-radius: 50%;
}

/* 协作方式 */
.collaboration-section {
  margin-bottom: 40px;
}

.collaboration-section h2 {
  font-size: 24px;
  margin-bottom: 24px;
}

.collab-steps {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 20px;
  counter-reset: collab-counter;
}

.collab-steps li {
  counter-increment: collab-counter;
  position: relative;
  background-color: var(--color-card);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  padding: 24px;
  padding-top: 56px;
}

.collab-steps li::before {
  content: counter(collab-counter, decimal-leading-zero);
  position: absolute;
  top: 16px;
  left: 24px;
  font-family: var(--font-serif);
  font-size: 20px;
  font-weight: 700;
  color: var(--color-accent);
}

.collab-steps h3 {
  font-size: 16px;
  font-weight: 600;
  color: var(--color-primary-dark);
  margin-bottom: 8px;
}

.collab-steps p {
  font-size: 14px;
  line-height: 1.7;
  color: var(--color-text-light);
  margin: 0;
}

/* 团队页侧栏 */
.team-aside {
  margin-top: 48px;
}

/* ============================================================
   9. Pages —— 内页：帮助中心 help
   ============================================================ */

.faq-category-nav {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-bottom: 32px;
  padding: 16px;
  background-color: var(--color-card);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
}

.faq-category-nav a {
  padding: 8px 16px;
  font-size: 14px;
  font-weight: 500;
  color: var(--color-text);
  background-color: var(--color-bg);
  border: 1px solid var(--color-border);
  border-radius: 999px;
  transition: background-color var(--transition-fast), color var(--transition-fast), border-color var(--transition-fast);
}

.faq-category-nav a:hover {
  background-color: var(--color-primary);
  color: #FFFFFF;
  border-color: var(--color-primary);
}

.faq-group {
  margin-bottom: 32px;
}

.faq-group h3 {
  font-size: 18px;
  font-weight: 600;
  color: var(--color-primary-dark);
  margin-bottom: 16px;
  padding-bottom: 8px;
  border-bottom: 2px solid var(--color-accent);
  display: inline-block;
}

/* 术语表 */
.glossary-section {
  margin-bottom: 48px;
}

.glossary-content {
  display: grid;
  grid-template-columns: 1.2fr 0.8fr;
  gap: 32px;
  align-items: start;
}

.glossary-content h2 {
  grid-column: 1 / -1;
  font-size: 24px;
  margin-bottom: 8px;
}

.glossary-table {
  width: 100%;
  border-collapse: collapse;
  font-size: 14px;
  background-color: var(--color-card);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  overflow: hidden;
}

.glossary-table thead th {
  padding: 12px 16px;
  text-align: left;
  font-size: 13px;
  font-weight: 600;
  color: #FFFFFF;
  background-color: var(--color-primary);
}

.glossary-table tbody td {
  padding: 12px 16px;
  border-top: 1px solid var(--color-border);
  line-height: 1.6;
  vertical-align: top;
}

.glossary-table tbody tr:nth-child(even) td {
  background-color: var(--color-bg);
}

.glossary-figure {
  border-radius: var(--radius-md);
  overflow: hidden;
}

.glossary-figure img {
  aspect-ratio: 4 / 3;
}

.glossary-figure figcaption {
  padding: 10px 12px;
  background-color: var(--color-card);
  border: 1px solid var(--color-border);
  border-top: none;
  border-radius: 0 0 var(--radius-md) var(--radius-md);
}

/* 操作指引 */
.guide-section {
  background-color: var(--color-card);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: 32px;
}

.guide-section h2 {
  font-size: 24px;
  margin-bottom: 20px;
}

.guide-list {
  counter-reset: guide-counter;
  display: flex;
  flex-direction: column;
  gap: 16px;
}

.guide-list li {
  counter-increment: guide-counter;
  position: relative;
  padding: 16px 20px 16px 52px;
  background-color: var(--color-bg);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  font-size: 14px;
  line-height: 1.7;
  color: var(--color-text-light);
}

.guide-list li::before {
  content: counter(guide-counter, decimal-leading-zero);
  position: absolute;
  left: 16px;
  top: 50%;
  transform: translateY(-50%);
  font-family: var(--font-serif);
  font-size: 16px;
  font-weight: 700;
  color: var(--color-accent);
}

.guide-list li a {
  font-weight: 600;
  color: var(--color-primary);
  border-bottom: 1px solid var(--color-primary);
}

/* ============================================================
   10. Pages —— 内页：合作咨询 contact
   ============================================================ */

.layout-shell {
  display: grid;
  grid-template-columns: 1fr 320px;
  gap: 40px;
  align-items: start;
}

.layout-shell .main-content {
  min-width: 0;
}

/* 需求准备 */
.prep-section {
  margin-bottom: 48px;
}

.prep-section .section-heading h2 {
  font-size: 24px;
  margin-bottom: 8px;
}

.prep-section .section-heading p {
  font-size: 15px;
  line-height: 1.7;
  color: var(--color-text-light);
  max-width: 720px;
  margin-bottom: 24px;
}

.prep-layout {
  display: grid;
  grid-template-columns: 1.2fr 0.8fr;
  gap: 32px;
  align-items: center;
}

.prep-items {
  counter-reset: prep-counter;
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.prep-items li {
  counter-increment: prep-counter;
  position: relative;
  padding: 14px 16px 14px 48px;
  background-color: var(--color-card);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  font-size: 14px;
  line-height: 1.7;
  color: var(--color-text);
}

.prep-items li::before {
  content: counter(prep-counter, decimal-leading-zero);
  position: absolute;
  left: 14px;
  top: 50%;
  transform: translateY(-50%);
  font-family: var(--font-serif);
  font-size: 15px;
  font-weight: 700;
  color: var(--color-accent);
}

.prep-figure {
  border-radius: var(--radius-md);
  overflow: hidden;
}

.prep-figure img {
  aspect-ratio: 4 / 3;
}

.prep-figure figcaption {
  padding: 10px 12px;
  background-color: var(--color-card);
  border: 1px solid var(--color-border);
  border-top: none;
  border-radius: 0 0 var(--radius-md) var(--radius-md);
}

/* 合作流程 */
.flow-section {
  margin-bottom: 48px;
}

.flow-section .section-heading h2 {
  font-size: 24px;
  margin-bottom: 8px;
}

.flow-section .section-heading p {
  font-size: 15px;
  line-height: 1.7;
  color: var(--color-text-light);
  margin-bottom: 24px;
}

.flow-steps {
  display: flex;
  flex-direction: column;
  gap: 16px;
}

.flow-step {
  display: grid;
  grid-template-columns: 120px 1fr;
  gap: 24px;
  background-color: var(--color-card);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  padding: 24px;
  align-items: start;
}

.step-meta {
  font-family: var(--font-serif);
  font-size: 15px;
  font-weight: 700;
  color: var(--color-accent);
  padding-top: 4px;
  white-space: nowrap;
}

.step-detail h3 {
  font-size: 17px;
  font-weight: 600;
  color: var(--color-primary-dark);
  margin-bottom: 8px;
}

.step-detail p {
  font-size: 14px;
  line-height: 1.7;
  color: var(--color-text-light);
  margin: 0;
}

.step-result {
  display: inline-block;
  margin-top: 8px;
  padding: 4px 12px;
  font-size: 13px;
  font-weight: 500;
  color: var(--color-primary);
  background-color: rgba(31, 61, 43, 0.06);
  border-radius: 999px;
}

/* 项目启动 */
.kickoff-section {
  margin-bottom: 48px;
}

.kickoff-section .section-heading h2 {
  font-size: 24px;
  margin-bottom: 8px;
}

.kickoff-section .section-heading p {
  font-size: 15px;
  line-height: 1.7;
  color: var(--color-text-light);
  margin-bottom: 24px;
}

.kickoff-points {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 20px;
}

.kickoff-point {
  background-color: var(--color-card);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  padding: 24px;
}

.kickoff-point h3 {
  font-size: 16px;
  font-weight: 600;
  color: var(--color-primary-dark);
  margin-bottom: 10px;
  padding-bottom: 8px;
  border-bottom: 2px solid var(--color-accent);
  display: inline-block;
}

.kickoff-point p {
  font-size: 14px;
  line-height: 1.7;
  color: var(--color-text-light);
  margin: 0;
}

/* 联系页侧栏 */
.sidebar-note {
  background-color: var(--color-primary);
  color: #E8EDE9;
}

.sidebar-note p {
  font-size: 14px;
  line-height: 1.7;
  color: rgba(255, 255, 255, 0.85);
  margin: 0;
}

/* ============================================================
   11. Pages —— 404 错误页
   ============================================================ */

.error-main {
  display: flex;
  align-items: center;
  justify-content: center;
  min-height: 60vh;
  padding: 48px var(--container-padding);
}

.error-section {
  max-width: 480px;
  width: 100%;
  text-align: center;
  background-color: var(--color-card);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: 48px 32px;
}

.error-section h1 {
  font-size: 28px;
  margin-bottom: 8px;
}

.error-code {
  font-family: var(--font-serif);
  font-size: 72px;
  font-weight: 700;
  color: var(--color-accent);
  line-height: 1.2;
  margin-bottom: 16px;
}

.error-desc {
  font-size: 15px;
  line-height: 1.7;
  color: var(--color-text-light);
  margin-bottom: 24px;
}

.error-help {
  margin-top: 24px;
  font-size: 14px;
  color: var(--color-text-muted);
}

.error-help a {
  color: var(--color-primary);
  font-weight: 600;
  border-bottom: 1px solid var(--color-primary);
  margin: 0 4px;
}

/* ============================================================
   12. Responsive —— 响应式断点
   ============================================================ */

/* ---- 大屏：1200px 以下 ---- */
@media (max-width: 1199px) {
  .hero-layout {
    gap: 32px;
  }
}

/* ---- 中屏：992px 以下 ---- */
@media (max-width: 991px) {
  .nav-list > li > a {
    padding: 8px 10px;
    font-size: 14px;
  }

  .hero-layout {
    grid-template-columns: 1fr 1fr;
    gap: 24px;
  }

  .hero-text h1 {
    font-size: 30px;
  }

  .info-forms {
    grid-template-columns: repeat(3, 1fr);
  }

  .gallery-grid {
    grid-template-columns: repeat(2, 1fr);
  }

  .roles-grid {
    grid-template-columns: repeat(2, 1fr);
  }

  .timeline-list {
    grid-template-columns: 1fr;
  }

  .collab-steps {
    grid-template-columns: 1fr;
  }

  .kickoff-points {
    grid-template-columns: 1fr;
  }

  .page-layout {
    grid-template-columns: 1fr;
    gap: 32px;
  }

  .layout-shell {
    grid-template-columns: 1fr;
    gap: 32px;
  }

  .glossary-content {
    grid-template-columns: 1fr;
  }

  .glossary-content h2 {
    grid-column: 1;
  }

  .prep-layout {
    grid-template-columns: 1fr;
  }

  .evidence-content {
    grid-template-columns: 1fr;
  }

  .step-detail {
    grid-template-columns: 1fr;
    gap: 16px;
  }

  .process-steps {
    grid-template-columns: 1fr;
  }
}

/* ---- 小屏：768px 以下 ---- */
@media (max-width: 767px) {
  :root {
    --container-padding: 16px;
  }

  .header-inner {
    gap: 16px;
  }

  .logo {
    font-size: 18px;
  }

  .nav-list > li > a {
    padding: 8px 8px;
    font-size: 13px;
  }

  .dropdown-menu {
    min-width: 160px;
  }

  .hero-section {
    padding: 32px 0 24px;
  }

  .hero-layout {
    grid-template-columns: 1fr;
  }

  .hero-text h1 {
    font-size: 28px;
  }

  .hero-actions {
    flex-direction: column;
  }

  .hero-actions .btn-primary,
  .hero-actions .btn-secondary {
    width: 100%;
  }

  .content-media-primary img {
    aspect-ratio: 16 / 9;
  }

  .bg-container,
  .directory-container,
  .path-container,
  .process-container,
  .cta-container {
    padding: 24px;
  }

  .info-forms {
    grid-template-columns: repeat(2, 1fr);
  }

  .path-row {
    grid-template-columns: 1fr;
    gap: 12px;
  }

  .path-row h3 {
    white-space: normal;
  }

  .path-row a {
    justify-self: start;
  }

  .process-steps {
    grid-template-columns: 1fr;
  }

  .footer-inner {
    grid-template-columns: 1fr;
    gap: 32px;
    padding: 40px var(--container-padding) 24px;
  }

  .page-header {
    padding: 24px 0 8px;
  }

  .page-title {
    font-size: 26px;
  }

  .course-item-header {
    flex-wrap: wrap;
  }

  .course-objective,
  .course-meta,
  .course-link {
    padding-left: 0;
    margin-left: 0;
  }

  .course-meta {
    flex-wrap: wrap;
    gap: 12px;
  }

  .suggested-order-section {
    padding: 24px;
  }

  .role-path-section {
    padding: 24px;
  }

  .role-path-header {
    flex-direction: column;
    align-items: flex-start;
  }

  .flow-step {
    grid-template-columns: 1fr;
    gap: 12px;
  }

  .step-meta {
    padding-top: 0;
  }

  .faq-category-nav {
    flex-direction: column;
  }

  .faq-category-nav a {
    text-align: center;
  }

  .error-code {
    font-size: 56px;
  }
}

/* ---- 手机：480px 以下 ---- */
@media (max-width: 480px) {
  .info-forms {
    grid-template-columns: 1fr;
  }

  .gallery-grid {
    grid-template-columns: 1fr;
  }

  .roles-grid {
    grid-template-columns: 1fr;
  }

  .hero-text h1 {
    font-size: 24px;
  }

  .hero-slogan {
    font-size: 16px;
  }

  .checklist-card {
    padding: 20px;
  }

  .bg-container,
  .directory-container,
  .path-container,
  .process-container,
  .cta-container {
    padding: 20px;
  }

  .dense-table {
    font-size: 13px;
  }

  .dense-table thead th,
  .dense-table tbody td {
    padding: 10px 12px;
  }

  .suggested-step {
    flex-direction: column;
    gap: 8px;
  }

  .suggested-step .step-number {
    align-self: flex-start;
  }

  .method-step-block {
    padding: 20px;
  }

  .step-header {
    flex-direction: column;
    align-items: flex-start;
    gap: 8px;
  }

  .cta-container {
    flex-direction: column;
    text-align: center;
  }

  .cta-container .btn-primary {
    width: 100%;
  }

  .timeline-item {
    padding: 16px;
  }

  .principles-list li {
    padding: 14px 16px 14px 44px;
  }

  .principles-list li::before {
    left: 14px;
  }

  .kickoff-point {
    padding: 20px;
  }

  .error-section {
    padding: 32px 20px;
  }
}