/* ==========================================================================
   51黑料网 sxwhw.cn - 整站样式表
   公益组织风：白底、浅灰分区、深蓝主色与金色点缀
   ========================================================================== */

/* ==========================================================================
   Base - 基础重置与全局变量
   ========================================================================== */

:root {
  --color-white: #ffffff;
  --color-bg-light: #f4f6f8;
  --color-primary: #16324f;
  --color-accent: #c8a063;
  --color-secondary: #3a5a7a;
  --color-text: #202428;
  --color-text-light: #5a6b7a;
  --color-border: #e2e8ee;
  --font-sans: -apple-system, BlinkMacSystemFont, "PingFang SC", "Microsoft YaHei", "Noto Sans CJK SC", "Segoe UI", sans-serif;
  --container-width: 1200px;
  --header-height: 72px;
  --radius-sm: 4px;
  --radius-md: 8px;
  --transition-base: 0.2s 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;
  font-weight: 400;
  line-height: 1.7;
  color: var(--color-text);
  background-color: var(--color-white);
  min-height: 100vh;
  display: flex;
  flex-direction: column;
}

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

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

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

ul,
ol {
  list-style: none;
}

h1,
h2,
h3,
h4,
h5,
h6 {
  font-weight: 700;
  line-height: 1.35;
  color: var(--color-primary);
}

h2 {
  font-size: 26px;
}

h3 {
  font-size: 18px;
}

p {
  margin-bottom: 0;
}

strong {
  font-weight: 700;
}

/* ==========================================================================
   Layout - 全站统一骨架
   ========================================================================== */

.site-body {
  min-height: 100vh;
  display: flex;
  flex-direction: column;
}

.site-main {
  flex: 1 0 auto;
}

.site-header {
  background-color: var(--color-white);
  border-bottom: 1px solid var(--color-border);
  position: sticky;
  top: 0;
  z-index: 100;
}

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

.brand {
  font-size: 22px;
  font-weight: 700;
  color: var(--color-primary);
  letter-spacing: 0.02em;
  white-space: nowrap;
}

.brand:hover {
  color: var(--color-primary);
  opacity: 0.85;
}

.site-nav {
  display: flex;
  align-items: center;
}

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

.nav-list li a {
  display: block;
  padding: 8px 14px;
  font-size: 15px;
  font-weight: 500;
  color: var(--color-text);
  border-radius: var(--radius-sm);
  transition: background-color var(--transition-base), color var(--transition-base);
}

.nav-list li a:hover {
  color: var(--color-primary);
  background-color: var(--color-bg-light);
}

.nav-list li a.is-current {
  color: var(--color-primary);
  background-color: rgba(22, 50, 79, 0.08);
  font-weight: 600;
}

.nav-toggle {
  display: none;
  background: none;
  border: none;
  cursor: pointer;
  padding: 8px;
  width: 44px;
  height: 44px;
  align-items: center;
  justify-content: center;
}

.nav-toggle-icon {
  display: block;
  width: 22px;
  height: 2px;
  background-color: var(--color-primary);
  position: relative;
}

.nav-toggle-icon::before,
.nav-toggle-icon::after {
  content: "";
  position: absolute;
  left: 0;
  width: 22px;
  height: 2px;
  background-color: var(--color-primary);
}

.nav-toggle-icon::before {
  top: -7px;
}

.nav-toggle-icon::after {
  top: 7px;
}

.site-footer {
  background-color: var(--color-primary);
  color: rgba(255, 255, 255, 0.85);
  margin-top: 0;
  flex-shrink: 0;
}

.footer-inner {
  max-width: var(--container-width);
  margin: 0 auto;
  padding: 56px 24px 40px;
  display: grid;
  grid-template-columns: 1.4fr 1fr 1fr 1fr;
  gap: 40px;
}

.footer-col h2 {
  color: var(--color-white);
  font-size: 16px;
  font-weight: 600;
  margin-bottom: 16px;
}

.footer-brand p {
  font-size: 14px;
  line-height: 1.8;
  color: rgba(255, 255, 255, 0.75);
}

.footer-brand strong {
  display: block;
  font-size: 18px;
  color: var(--color-white);
  margin-bottom: 8px;
}

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

.footer-col ul li a {
  color: rgba(255, 255, 255, 0.75);
  font-size: 14px;
  transition: color var(--transition-base);
}

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

.footer-bottom {
  border-top: 1px solid rgba(255, 255, 255, 0.15);
  padding: 20px 24px;
  text-align: center;
}

.footer-bottom p {
  max-width: var(--container-width);
  margin: 0 auto;
  font-size: 13px;
  color: rgba(255, 255, 255, 0.6);
}

/* 顶部通知条 */
.topbar-notice {
  background-color: var(--color-bg-light);
  border-bottom: 1px solid var(--color-border);
  padding: 10px 24px;
  text-align: center;
}

.topbar-notice p {
  max-width: var(--container-width);
  margin: 0 auto;
  font-size: 14px;
  color: var(--color-text-light);
}

.topbar-notice a {
  color: var(--color-primary);
  font-weight: 500;
  border-bottom: 1px solid transparent;
}

.topbar-notice a:hover {
  border-bottom-color: var(--color-accent);
  color: var(--color-accent);
}

/* 首页在顶部通知条之后是 header，内页没有通知条 */
.site-home .site-header {
  position: sticky;
  top: 0;
}

/* ==========================================================================
   Components - 通用组件
   ========================================================================== */

/* 按钮 */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 12px 28px;
  font-size: 15px;
  font-weight: 600;
  border-radius: var(--radius-md);
  cursor: pointer;
  transition: background-color var(--transition-base), color var(--transition-base), border-color var(--transition-base);
  min-height: 44px;
  border: 1px solid transparent;
}

.btn-primary {
  background-color: var(--color-primary);
  color: var(--color-white);
}

.btn-primary:hover {
  background-color: var(--color-secondary);
  color: var(--color-white);
}

.btn-secondary {
  background-color: transparent;
  color: var(--color-primary);
  border-color: var(--color-primary);
}

.btn-secondary:hover {
  background-color: var(--color-primary);
  color: var(--color-white);
}

/* 文本链接 */
.text-link {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-size: 15px;
  font-weight: 600;
  color: var(--color-primary);
  padding: 8px 0;
}

.text-link::after {
  content: "→";
  transition: transform var(--transition-base);
}

.text-link:hover::after {
  transform: translateX(4px);
}

.text-link:hover {
  color: var(--color-accent);
}

/* 面包屑 */
.breadcrumb {
  max-width: var(--container-width);
  margin: 0 auto;
  padding: 20px 24px 0;
  font-size: 14px;
  color: var(--color-text-light);
  display: flex;
  align-items: center;
  flex-wrap: wrap;
}

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

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

.breadcrumb-sep {
  margin: 0 8px;
  color: #bbb;
}

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

/* 页面标题区 */
.page-header {
  max-width: var(--container-width);
  margin: 0 auto;
  padding: 32px 24px 8px;
}

.page-title {
  font-size: 32px;
  font-weight: 700;
  color: var(--color-primary);
  margin-bottom: 12px;
}

.page-description {
  font-size: 16px;
  color: var(--color-text-light);
  max-width: 780px;
  line-height: 1.8;
}

/* 内页主容器 */
.inner-main {
  max-width: var(--container-width);
  margin: 0 auto;
  padding: 0 24px 64px;
  width: 100%;
}

/* 图片容器 */
figure {
  margin: 0;
}

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

/* section 标题 */
.section-title {
  font-size: 26px;
  font-weight: 700;
  color: var(--color-primary);
  margin-bottom: 12px;
}

.section-desc {
  font-size: 15px;
  color: var(--color-text-light);
  line-height: 1.8;
  max-width: 720px;
  margin-bottom: 32px;
}

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

.faq-item summary {
  padding: 18px 20px;
  font-size: 16px;
  font-weight: 600;
  color: var(--color-primary);
  cursor: pointer;
  list-style: none;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  transition: background-color var(--transition-base);
}

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

.faq-item summary::after {
  content: "+";
  font-size: 22px;
  font-weight: 400;
  color: var(--color-accent);
  flex-shrink: 0;
  transition: transform var(--transition-base);
}

.faq-item[open] summary {
  border-bottom: 1px solid var(--color-border);
  background-color: rgba(22, 50, 79, 0.02);
}

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

.faq-item[open] summary:hover {
  background-color: rgba(22, 50, 79, 0.04);
}

.faq-item p {
  padding: 16px 20px;
  font-size: 15px;
  color: var(--color-text);
  line-height: 1.8;
}

.faq-answer {
  padding: 0;
}

.faq-answer p {
  padding: 16px 20px;
  font-size: 15px;
  color: var(--color-text);
  line-height: 1.8;
}

/* 表格 */
.table-wrapper {
  overflow-x: auto;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
}

table {
  width: 100%;
  border-collapse: collapse;
  font-size: 15px;
}

thead th {
  background-color: var(--color-primary);
  color: var(--color-white);
  text-align: left;
  padding: 14px 16px;
  font-weight: 600;
  white-space: nowrap;
}

tbody td {
  padding: 14px 16px;
  border-bottom: 1px solid var(--color-border);
  vertical-align: top;
  line-height: 1.7;
}

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

tbody tr:nth-child(even) {
  background-color: var(--color-bg-light);
}

tbody tr:hover {
  background-color: rgba(22, 50, 79, 0.04);
}

/* 内容媒体图 */
.content-media {
  margin-bottom: 24px;
}

.content-media-inline {
  max-width: 720px;
}

.content-media img {
  width: 100%;
  height: auto;
  border-radius: var(--radius-md);
  object-fit: cover;
}

/* 相关链接 */
.related-links {
  margin-top: 40px;
}

.related-links-label {
  font-size: 15px;
  font-weight: 600;
  color: var(--color-primary);
  margin-right: 8px;
}

.related-links-item {
  display: inline-block;
  margin: 4px 8px 4px 0;
  padding: 6px 14px;
  background-color: var(--color-bg-light);
  border-radius: 20px;
  font-size: 14px;
  color: var(--color-primary);
  border: 1px solid var(--color-border);
  transition: background-color var(--transition-base), color var(--transition-base);
}

.related-links-item:hover {
  background-color: var(--color-primary);
  color: var(--color-white);
}

/* ==========================================================================
   Pages - 首页
   ========================================================================== */

/* Hero 首屏 */
.hero-section {
  background-color: var(--color-bg-light);
  border-bottom: 1px solid var(--color-border);
}

.hero-section {
  display: grid;
  grid-template-columns: 1.1fr 0.9fr;
  gap: 48px;
  max-width: var(--container-width);
  margin: 0 auto;
  padding: 64px 24px;
  align-items: center;
}

.hero-content h1 {
  font-size: 40px;
  font-weight: 700;
  color: var(--color-primary);
  line-height: 1.3;
  margin-bottom: 16px;
}

.hero-subtitle {
  font-size: 20px;
  font-weight: 500;
  color: var(--color-secondary);
  margin-bottom: 16px;
}

.hero-text {
  font-size: 16px;
  color: var(--color-text-light);
  line-height: 1.8;
  margin-bottom: 28px;
  max-width: 520px;
}

.hero-actions {
  display: flex;
  gap: 16px;
  flex-wrap: wrap;
}

.hero-figure {
  margin: 0;
}

.hero-figure img {
  width: 100%;
  height: 400px;
  object-fit: cover;
  border-radius: var(--radius-md);
}

/* 通用 section 块 */
.section-block {
  max-width: var(--container-width);
  margin: 0 auto;
  padding: 64px 24px;
}

.section-header {
  margin-bottom: 36px;
  max-width: 720px;
}

.section-header h2 {
  font-size: 28px;
  font-weight: 700;
  color: var(--color-primary);
  margin-bottom: 12px;
}

.section-header p {
  font-size: 16px;
  color: var(--color-text-light);
  line-height: 1.8;
}

.section-intro {
  margin-bottom: 36px;
  max-width: 720px;
}

.section-intro h2 {
  font-size: 28px;
  font-weight: 700;
  color: var(--color-primary);
  margin-bottom: 12px;
}

.section-intro p {
  font-size: 16px;
  color: var(--color-text-light);
  line-height: 1.8;
}

/* 机构概览 */
.about-preview {
  background-color: var(--color-white);
}

.preview-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 32px;
  margin-bottom: 24px;
}

.preview-item {
  background-color: var(--color-bg-light);
  border-radius: var(--radius-md);
  padding: 28px;
  border-left: 3px solid var(--color-accent);
}

.preview-item h3 {
  font-size: 18px;
  font-weight: 600;
  color: var(--color-primary);
  margin-bottom: 10px;
}

.preview-item p {
  font-size: 15px;
  color: var(--color-text);
  line-height: 1.7;
}

.about-preview .text-link {
  margin-top: 8px;
}

/* 服务领域 */
.service-area {
  background-color: var(--color-bg-light);
}

.service-area .section-header {
  max-width: 720px;
}

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

.service-card {
  background-color: var(--color-white);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  padding: 28px;
  display: flex;
  flex-direction: column;
  transition: box-shadow var(--transition-base), border-color var(--transition-base);
}

.service-card:hover {
  box-shadow: 0 4px 16px rgba(22, 50, 79, 0.08);
  border-color: rgba(200, 160, 99, 0.5);
}

.service-card h3 {
  font-size: 18px;
  font-weight: 600;
  color: var(--color-primary);
  margin-bottom: 10px;
}

.service-card p {
  font-size: 14px;
  color: var(--color-text-light);
  line-height: 1.7;
  flex: 1;
  margin-bottom: 16px;
}

.service-card a {
  font-size: 14px;
  font-weight: 600;
  color: var(--color-primary);
  display: inline-flex;
  align-items: center;
  gap: 4px;
}

.service-card a::after {
  content: "→";
  transition: transform var(--transition-base);
}

.service-card a:hover::after {
  transform: translateX(4px);
}

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

/* 工作方法速览 */
.method-preview {
  background-color: var(--color-white);
}

.steps-row {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 24px;
  margin-bottom: 28px;
}

.step-item {
  background-color: var(--color-bg-light);
  border-radius: var(--radius-md);
  padding: 24px;
  position: relative;
}

.step-num {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 36px;
  height: 36px;
  background-color: var(--color-primary);
  color: var(--color-white);
  font-size: 16px;
  font-weight: 600;
  border-radius: 50%;
  margin-bottom: 14px;
}

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

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

/* 公开成果区 */
.results-preview {
  background-color: var(--color-bg-light);
  display: grid;
  grid-template-columns: 0.9fr 1.1fr;
  gap: 48px;
  align-items: center;
}

.results-media figure {
  margin: 0;
}

.results-media img {
  width: 100%;
  height: 320px;
  object-fit: cover;
  border-radius: var(--radius-md);
}

.results-summary h2 {
  font-size: 28px;
  font-weight: 700;
  color: var(--color-primary);
  margin-bottom: 16px;
}

.results-summary p {
  font-size: 16px;
  color: var(--color-text-light);
  line-height: 1.8;
  margin-bottom: 20px;
}

/* 合作流程 */
.process-preview {
  background-color: var(--color-white);
}

.process-list {
  display: grid;
  grid-template-columns: repeat(5, 1fr);
  gap: 16px;
  margin-bottom: 32px;
  counter-reset: process-counter;
}

.process-list li {
  background-color: var(--color-bg-light);
  border-radius: var(--radius-md);
  padding: 24px;
  position: relative;
  counter-increment: process-counter;
}

.process-list li::before {
  content: counter(process-counter, decimal-leading-zero);
  display: block;
  font-size: 24px;
  font-weight: 700;
  color: var(--color-accent);
  margin-bottom: 12px;
}

.process-list li h3 {
  font-size: 16px;
  font-weight: 600;
  color: var(--color-primary);
  margin-bottom: 8px;
}

.process-list li p {
  font-size: 13px;
  color: var(--color-text-light);
  line-height: 1.6;
}

.process-preview .btn {
  margin-top: 8px;
}

/* 常见问题 */
.faq-preview {
  background-color: var(--color-bg-light);
}

.faq-preview .section-header {
  margin-bottom: 24px;
}

.faq-preview .faq-item {
  background-color: var(--color-white);
}

.faq-preview .text-link {
  margin-top: 16px;
}

/* 底部行动 */
.cta-section {
  background-color: var(--color-primary);
  text-align: center;
  padding: 72px 24px;
}

.cta-section h2 {
  color: var(--color-white);
  font-size: 30px;
  margin-bottom: 16px;
}

.cta-section p {
  color: rgba(255, 255, 255, 0.8);
  font-size: 16px;
  line-height: 1.8;
  max-width: 640px;
  margin: 0 auto 32px;
}

.cta-actions {
  display: flex;
  gap: 16px;
  justify-content: center;
  flex-wrap: wrap;
}

.cta-section .btn-primary {
  background-color: var(--color-accent);
  color: var(--color-primary);
}

.cta-section .btn-primary:hover {
  background-color: #b8924f;
}

.cta-section .btn-secondary {
  border-color: rgba(255, 255, 255, 0.6);
  color: var(--color-white);
}

.cta-section .btn-secondary:hover {
  background-color: var(--color-white);
  color: var(--color-primary);
}

/* ==========================================================================
   Pages - 服务领域页
   ========================================================================== */

.page-layout.sidebar-left {
  display: grid;
  grid-template-columns: 240px 1fr;
  gap: 40px;
  max-width: var(--container-width);
  margin: 0 auto;
  padding: 32px 24px 64px;
  align-items: start;
}

.sidebar-left .sidebar-nav {
  background-color: var(--color-bg-light);
  border-radius: var(--radius-md);
  padding: 24px;
  position: sticky;
  top: calc(var(--header-height) + 24px);
}

.sidebar-nav h2 {
  font-size: 16px;
  font-weight: 600;
  color: var(--color-primary);
  margin-bottom: 16px;
  padding-bottom: 12px;
  border-bottom: 1px solid var(--color-border);
}

.sidebar-nav ul li {
  margin-bottom: 4px;
}

.sidebar-nav ul li a {
  display: block;
  padding: 8px 12px;
  font-size: 14px;
  color: var(--color-text);
  border-radius: var(--radius-sm);
  transition: background-color var(--transition-base), color var(--transition-base);
}

.sidebar-nav ul li a:hover {
  background-color: rgba(22, 50, 79, 0.06);
  color: var(--color-primary);
}

.sidebar-left .main-content {
  min-width: 0;
}

.sidebar-left .breadcrumb {
  padding: 0 0 16px;
}

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

/* 行业列表 */
.industry-list {
  margin-bottom: 48px;
}

.industry-list h2 {
  font-size: 24px;
  font-weight: 700;
  color: var(--color-primary);
  margin-bottom: 20px;
}

.industry-item {
  margin-bottom: 28px;
  padding: 24px;
  background-color: var(--color-white);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  transition: border-color var(--transition-base);
}

.industry-item:hover {
  border-color: rgba(200, 160, 99, 0.5);
}

.industry-item h3 {
  font-size: 18px;
  font-weight: 600;
  color: var(--color-primary);
  margin-bottom: 10px;
}

.industry-item p {
  font-size: 15px;
  color: var(--color-text);
  line-height: 1.8;
}

/* 服务类型表格 */
.service-types {
  margin-bottom: 40px;
}

.service-types h2 {
  font-size: 24px;
  font-weight: 700;
  color: var(--color-primary);
  margin-bottom: 20px;
}

.table-note {
  margin-top: 16px;
  font-size: 14px;
  color: var(--color-text-light);
  line-height: 1.7;
  background-color: var(--color-bg-light);
  border-left: 3px solid var(--color-accent);
  padding: 12px 16px;
  border-radius: 0 var(--radius-sm) var(--radius-sm) 0;
}

.sidebar-left .related-links {
  padding: 0;
  margin-top: 16px;
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 4px;
}

/* ==========================================================================
   Pages - 工作方法页
   ========================================================================== */

/* 方法引言 */
.method-intro {
  display: grid;
  grid-template-columns: 1.1fr 0.9fr;
  gap: 48px;
  align-items: center;
  padding: 16px 0 48px;
}

.intro-copy h2 {
  font-size: 26px;
  font-weight: 700;
  color: var(--color-primary);
  margin-bottom: 16px;
}

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

.intro-copy p:last-child {
  margin-bottom: 0;
}

.intro-media figure {
  margin: 0;
}

.intro-media img {
  width: 100%;
  height: 300px;
  object-fit: cover;
  border-radius: var(--radius-md);
}

/* 方法步骤时间线 */
.method-steps {
  padding: 48px 0;
}

.steps-timeline {
  position: relative;
  padding-left: 0;
}

.steps-timeline .step-item {
  display: grid;
  grid-template-columns: 48px 1fr;
  gap: 20px;
  padding: 24px 0;
  border-bottom: 1px solid var(--color-border);
  background: none;
  border-radius: 0;
}

.steps-timeline .step-item:last-child {
  border-bottom: none;
}

.step-number {
  display: flex;
  align-items: flex-start;
  justify-content: center;
}

.step-number::before {
  content: "";
  display: block;
  width: 36px;
  height: 36px;
  background-color: var(--color-primary);
  border-radius: 50%;
  position: relative;
  z-index: 1;
}

.step-number::after {
  content: attr(data-step);
  position: relative;
  z-index: 2;
  color: var(--color-white);
  font-size: 15px;
  font-weight: 600;
  margin-top: -27px;
  width: 36px;
  text-align: center;
  display: block;
}

.step-content h3 {
  font-size: 19px;
  font-weight: 600;
  color: var(--color-primary);
  margin-bottom: 8px;
}

.step-content p {
  font-size: 15px;
  color: var(--color-text);
  line-height: 1.8;
  margin-bottom: 10px;
}

.step-output {
  font-size: 14px;
  color: var(--color-secondary);
  background-color: rgba(22, 50, 79, 0.05);
  border-radius: var(--radius-sm);
  padding: 10px 14px;
  display: inline-block;
  margin-top: 4px;
}

/* 术语卡片 */
.term-section {
  padding: 48px 0;
}

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

.term-card {
  background-color: var(--color-bg-light);
  border-radius: var(--radius-md);
  padding: 24px;
  border-top: 3px solid var(--color-accent);
}

.term-card h3 {
  font-size: 17px;
  font-weight: 600;
  color: var(--color-primary);
  margin-bottom: 10px;
  display: flex;
  align-items: center;
  gap: 8px;
}

.term-tip {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 20px;
  height: 20px;
  background-color: var(--color-accent);
  color: var(--color-white);
  font-size: 12px;
  font-weight: 700;
  border-radius: 50%;
  cursor: help;
  position: relative;
}

.term-tip::after {
  content: attr(data-tip);
  position: absolute;
  bottom: calc(100% + 8px);
  left: 50%;
  transform: translateX(-50%);
  background-color: var(--color-primary);
  color: var(--color-white);
  font-size: 13px;
  font-weight: 400;
  line-height: 1.5;
  padding: 8px 12px;
  border-radius: var(--radius-sm);
  width: 200px;
  opacity: 0;
  visibility: hidden;
  transition: opacity var(--transition-base), visibility var(--transition-base);
  z-index: 10;
  pointer-events: none;
  text-align: left;
}

.term-tip:hover::after,
.term-tip:focus::after {
  opacity: 1;
  visibility: visible;
}

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

/* 相关卡片 */
.related-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 16px;
}

.related-card {
  background-color: var(--color-white);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  padding: 20px;
  transition: border-color var(--transition-base), box-shadow var(--transition-base);
}

.related-card:hover {
  border-color: rgba(200, 160, 99, 0.5);
  box-shadow: 0 4px 12px rgba(22, 50, 79, 0.06);
}

.related-card h3 {
  font-size: 15px;
  font-weight: 600;
  color: var(--color-primary);
  margin-bottom: 8px;
}

.related-card p {
  font-size: 13px;
  color: var(--color-text-light);
  line-height: 1.6;
}

/* ==========================================================================
   Pages - 合作流程页
   ========================================================================== */

/* 流程概览 */
.process-overview {
  padding: 16px 0 40px;
}

.process-figure figure {
  margin: 0;
}

.process-figure img {
  width: 100%;
  height: 280px;
  object-fit: cover;
  border-radius: var(--radius-md);
}

/* 阶段列表 */
.process-stages {
  padding: 24px 0 48px;
}

.stage-item {
  display: grid;
  grid-template-columns: 56px 1fr;
  gap: 20px;
  padding: 24px 0;
  border-bottom: 1px solid var(--color-border);
  align-items: start;
}

.stage-item:last-child {
  border-bottom: none;
}

.stage-number {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 48px;
  height: 48px;
  background-color: var(--color-primary);
  color: var(--color-white);
  font-size: 18px;
  font-weight: 600;
  border-radius: 50%;
}

.stage-content h3 {
  font-size: 19px;
  font-weight: 600;
  color: var(--color-primary);
  margin-bottom: 10px;
}

.stage-content p {
  font-size: 15px;
  color: var(--color-text);
  line-height: 1.8;
  margin-bottom: 8px;
}

.stage-content p:last-child {
  margin-bottom: 0;
}

/* 准备清单 */
.preparation-checklist {
  background-color: var(--color-bg-light);
  border-radius: var(--radius-md);
  padding: 40px;
  margin-bottom: 40px;
}

.checklist-columns {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 32px;
  margin-top: 24px;
}

.checklist-col {
  background-color: var(--color-white);
  border-radius: var(--radius-md);
  padding: 24px;
}

.checklist-col h3 {
  font-size: 17px;
  font-weight: 600;
  color: var(--color-primary);
  margin-bottom: 16px;
  padding-bottom: 10px;
  border-bottom: 1px solid var(--color-border);
}

.checklist-col ul li {
  font-size: 14px;
  color: var(--color-text);
  line-height: 1.7;
  padding: 6px 0 6px 20px;
  position: relative;
}

.checklist-col ul li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 14px;
  width: 6px;
  height: 6px;
  background-color: var(--color-accent);
  border-radius: 50%;
}

.related-links-inner {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 8px;
}

.related-links-inner p {
  font-size: 15px;
  color: var(--color-text-light);
}

.related-links-inner a {
  display: inline-block;
  padding: 6px 14px;
  background-color: var(--color-bg-light);
  border-radius: 20px;
  font-size: 14px;
  color: var(--color-primary);
  border: 1px solid var(--color-border);
  transition: background-color var(--transition-base), color var(--transition-base);
}

.related-links-inner a:hover {
  background-color: var(--color-primary);
  color: var(--color-white);
}

/* ==========================================================================
   Pages - 公开成果页
   ========================================================================== */

/* 成果类型卡片 */
.results-section {
  padding: 16px 0 48px;
}

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

.result-card {
  background-color: var(--color-white);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  overflow: hidden;
  display: flex;
  flex-direction: column;
  transition: box-shadow var(--transition-base), border-color var(--transition-base);
}

.result-card:hover {
  box-shadow: 0 4px 16px rgba(22, 50, 79, 0.08);
  border-color: rgba(200, 160, 99, 0.5);
}

.result-card-header {
  padding: 24px 24px 0;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
}

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

.result-tag {
  display: inline-block;
  background-color: rgba(200, 160, 99, 0.15);
  color: #8a6d35;
  font-size: 13px;
  font-weight: 500;
  padding: 4px 10px;
  border-radius: 20px;
  white-space: nowrap;
}

.result-card-body {
  padding: 16px 24px;
  flex: 1;
}

.result-card-body p {
  font-size: 14px;
  color: var(--color-text);
  line-height: 1.7;
  margin-bottom: 12px;
}

.result-card-body p:last-child {
  margin-bottom: 0;
}

.result-card-footer {
  padding: 16px 24px 20px;
  border-top: 1px solid var(--color-border);
}

.result-scene {
  font-size: 13px;
  color: var(--color-text-light);
  line-height: 1.6;
}

/* 成果获取说明 */
.results-access {
  display: grid;
  grid-template-columns: 0.9fr 1.1fr;
  gap: 40px;
  align-items: center;
  padding: 48px 0;
  background-color: var(--color-bg-light);
  border-radius: var(--radius-md);
  padding-left: 32px;
  padding-right: 32px;
  margin-bottom: 48px;
}

.access-media figure {
  margin: 0;
}

.results-figure img {
  width: 100%;
  height: 260px;
  object-fit: cover;
  border-radius: var(--radius-md);
}

.access-content h2 {
  font-size: 24px;
  font-weight: 700;
  color: var(--color-primary);
  margin-bottom: 16px;
}

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

.access-content p:last-child {
  margin-bottom: 0;
}

/* 边界说明 */
.results-boundary {
  padding: 32px 0 0;
  background-color: var(--color-bg-light);
  border-radius: var(--radius-md);
  padding: 32px;
  border-left: 4px solid var(--color-accent);
}

.results-boundary h2 {
  font-size: 22px;
  font-weight: 700;
  color: var(--color-primary);
  margin-bottom: 12px;
}

.results-boundary > p {
  font-size: 15px;
  color: var(--color-text);
  line-height: 1.8;
  margin-bottom: 16px;
}

.boundary-list {
  margin-top: 12px;
}

.boundary-list li {
  font-size: 14px;
  color: var(--color-text);
  line-height: 1.7;
  padding: 8px 0 8px 24px;
  position: relative;
}

.boundary-list li::before {
  content: "·";
  position: absolute;
  left: 8px;
  color: var(--color-accent);
  font-size: 20px;
  line-height: 1.4;
}

.boundary-list li strong {
  color: var(--color-primary);
  font-weight: 600;
}

/* ==========================================================================
   Pages - 咨询帮助页
   ========================================================================== */

.layout-shell {
  display: grid;
  grid-template-columns: 1fr 300px;
  gap: 40px;
  max-width: var(--container-width);
  margin: 0 auto;
  padding: 32px 24px 64px;
  align-items: start;
}

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

.layout-shell .breadcrumb {
  padding: 0 0 16px;
}

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

/* FAQ 列表 */
.faq-section h2 {
  font-size: 24px;
  font-weight: 700;
  color: var(--color-primary);
  margin-bottom: 20px;
}

.faq-section .content-media {
  margin-bottom: 24px;
}

.faq-section .faq-item {
  margin-bottom: 12px;
}

.faq-section .faq-item summary {
  font-size: 15px;
}

.faq-section .faq-answer p {
  font-size: 14px;
}

/* 右侧处理路径 */
.side-content {
  background-color: var(--color-bg-light);
  border-radius: var(--radius-md);
  padding: 24px;
  position: sticky;
  top: calc(var(--header-height) + 24px);
}

.path-section h2 {
  font-size: 18px;
  font-weight: 600;
  color: var(--color-primary);
  margin-bottom: 12px;
}

.path-section > p {
  font-size: 14px;
  color: var(--color-text-light);
  line-height: 1.7;
  margin-bottom: 20px;
}

.path-card {
  background-color: var(--color-white);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-sm);
  padding: 18px;
  margin-bottom: 12px;
}

.path-card:last-child {
  margin-bottom: 0;
}

.path-card h3 {
  font-size: 15px;
  font-weight: 600;
  color: var(--color-primary);
  margin-bottom: 8px;
}

.path-card p {
  font-size: 13px;
  color: var(--color-text-light);
  line-height: 1.7;
  margin-bottom: 10px;
}

.path-card a {
  font-size: 14px;
  font-weight: 600;
  color: var(--color-primary);
  display: inline-flex;
  align-items: center;
  gap: 4px;
}

.path-card a::after {
  content: "→";
  transition: transform var(--transition-base);
}

.path-card a:hover::after {
  transform: translateX(4px);
}

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

/* ==========================================================================
   Pages - 机构介绍页
   ========================================================================== */

/* 图文区 */
.about-intro-section {
  display: grid;
  grid-template-columns: 0.9fr 1.1fr;
  gap: 48px;
  align-items: center;
  padding: 16px 0 48px;
}

.about-media img {
  width: 100%;
  height: 340px;
  object-fit: cover;
  border-radius: var(--radius-md);
}

.about-text h2 {
  font-size: 26px;
  font-weight: 700;
  color: var(--color-primary);
  margin-bottom: 16px;
}

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

.about-text p:last-child {
  margin-bottom: 0;
}

/* 原则卡片 */
.principles-section {
  padding: 24px 0 48px;
}

.principles-section > h2 {
  font-size: 24px;
  font-weight: 700;
  color: var(--color-primary);
  margin-bottom: 24px;
}

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

.principle-card {
  background-color: var(--color-bg-light);
  border-radius: var(--radius-md);
  padding: 28px;
  border-top: 3px solid var(--color-accent);
}

.principle-card h3 {
  font-size: 18px;
  font-weight: 600;
  color: var(--color-primary);
  margin-bottom: 10px;
}

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

/* 边界说明 */
.boundary-section {
  background-color: var(--color-bg-light);
  border-radius: var(--radius-md);
  padding: 32px;
  border-left: 4px solid var(--color-accent);
  margin-bottom: 24px;
}

.boundary-section h2 {
  font-size: 22px;
  font-weight: 700;
  color: var(--color-primary);
  margin-bottom: 12px;
}

.boundary-section > p {
  font-size: 15px;
  color: var(--color-text);
  line-height: 1.8;
  margin-bottom: 16px;
}

.boundary-note {
  margin-top: 20px;
  font-size: 14px;
  color: var(--color-text-light);
  line-height: 1.8;
}

.boundary-note a {
  font-weight: 600;
  color: var(--color-primary);
  margin-right: 16px;
}

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

/* ==========================================================================
   Pages - 404
   ========================================================================== */

.error-main {
  display: flex;
  align-items: center;
  justify-content: center;
  min-height: 60vh;
  padding: 64px 24px;
}

.error-content {
  text-align: center;
  max-width: 560px;
}

.error-content h1 {
  font-size: 48px;
  font-weight: 700;
  color: var(--color-primary);
  margin-bottom: 16px;
}

.error-content p {
  font-size: 16px;
  color: var(--color-text-light);
  line-height: 1.8;
  margin-bottom: 28px;
}

/* ==========================================================================
   Responsive - 响应式断点
   ========================================================================== */

/* 平板 1024px */
@media (max-width: 1024px) {
  .footer-inner {
    grid-template-columns: 1fr 1fr;
    gap: 32px;
  }

  .hero-section {
    grid-template-columns: 1fr;
    gap: 32px;
    padding: 48px 24px;
  }

  .hero-figure img {
    height: 340px;
  }

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

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

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

  .process-list li:nth-child(4),
  .process-list li:nth-child(5) {
    grid-column: span 1;
  }

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

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

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

  .results-grid .result-card:last-child {
    grid-column: span 2;
  }

  .page-layout.sidebar-left {
    grid-template-columns: 200px 1fr;
    gap: 24px;
  }

  .layout-shell {
    grid-template-columns: 1fr 260px;
    gap: 24px;
  }

  .method-intro {
    grid-template-columns: 1fr;
    gap: 32px;
  }

  .results-preview {
    grid-template-columns: 1fr;
    gap: 32px;
  }

  .results-access {
    grid-template-columns: 1fr;
    gap: 24px;
  }

  .about-intro-section {
    grid-template-columns: 1fr;
    gap: 32px;
  }
}

/* 手机 768px */
@media (max-width: 768px) {
  .header-inner {
    height: 60px;
    padding: 0 16px;
  }

  .brand {
    font-size: 20px;
  }

  .nav-toggle {
    display: flex;
  }

  .site-nav {
    position: relative;
  }

  .nav-list {
    display: none;
    position: absolute;
    top: calc(100% + 8px);
    right: 0;
    background-color: var(--color-white);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-md);
    box-shadow: 0 8px 24px rgba(22, 50, 79, 0.12);
    padding: 8px;
    min-width: 200px;
    flex-direction: column;
    align-items: stretch;
    gap: 2px;
    z-index: 200;
  }

  .nav-list.is-open {
    display: flex;
  }

  .nav-list li a {
    padding: 10px 16px;
    font-size: 15px;
  }

  .breadcrumb {
    padding: 16px 16px 0;
    font-size: 13px;
  }

  .page-header {
    padding: 24px 16px 8px;
  }

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

  .page-description {
    font-size: 15px;
  }

  .inner-main {
    padding: 0 16px 48px;
  }

  .footer-inner {
    grid-template-columns: 1fr;
    gap: 32px;
    padding: 40px 16px 32px;
  }

  .footer-bottom {
    padding: 16px;
  }

  .hero-section {
    padding: 40px 16px;
    gap: 24px;
  }

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

  .hero-subtitle {
    font-size: 17px;
  }

  .hero-figure img {
    height: 240px;
  }

  .section-block {
    padding: 48px 16px;
  }

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

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

  .steps-row {
    grid-template-columns: 1fr;
    gap: 16px;
  }

  .process-list {
    grid-template-columns: 1fr;
    gap: 12px;
  }

  .results-preview {
    padding: 48px 16px;
  }

  .results-media img {
    height: 220px;
  }

  .cta-section {
    padding: 56px 16px;
  }

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

  .cta-actions {
    flex-direction: column;
    align-items: center;
  }

  .cta-actions .btn {
    width: 100%;
    max-width: 320px;
  }

  .page-layout.sidebar-left {
    grid-template-columns: 1fr;
    gap: 24px;
    padding: 24px 16px 48px;
  }

  .sidebar-left .sidebar-nav {
    position: static;
    padding: 16px;
    order: 2;
  }

  .sidebar-nav ul {
    display: flex;
    flex-wrap: wrap;
    gap: 4px;
  }

  .sidebar-nav ul li {
    margin-bottom: 0;
  }

  .sidebar-nav ul li a {
    padding: 6px 12px;
    font-size: 13px;
  }

  .sidebar-left .main-content {
    order: 1;
  }

  .sidebar-left .breadcrumb {
    padding: 0 0 12px;
  }

  .sidebar-left .page-header {
    padding: 0 0 20px;
  }

  .layout-shell {
    grid-template-columns: 1fr;
    gap: 24px;
    padding: 24px 16px 48px;
  }

  .side-content {
    position: static;
  }

  .layout-shell .main-content {
    order: 1;
  }

  .layout-shell .side-content {
    order: 2;
  }

  .method-intro {
    padding: 8px 0 32px;
  }

  .intro-media img {
    height: 220px;
  }

  .steps-timeline .step-item {
    grid-template-columns: 40px 1fr;
    gap: 16px;
  }

  .step-number::before {
    width: 32px;
    height: 32px;
  }

  .step-number::after {
    width: 32px;
    margin-top: -25px;
    font-size: 14px;
  }

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

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

  .stage-item {
    grid-template-columns: 44px 1fr;
    gap: 16px;
  }

  .stage-number {
    width: 40px;
    height: 40px;
    font-size: 16px;
  }

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

  .preparation-checklist {
    padding: 24px 16px;
  }

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

  .results-grid .result-card:last-child {
    grid-column: span 1;
  }

  .results-access {
    grid-template-columns: 1fr;
    padding: 24px 16px;
    gap: 20px;
  }

  .results-figure img {
    height: 200px;
  }

  .results-boundary {
    padding: 24px 16px;
  }

  .about-intro-section {
    padding: 8px 0 32px;
  }

  .about-media img {
    height: 240px;
  }

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

  .boundary-section {
    padding: 24px 16px;
  }

  .error-content h1 {
    font-size: 36px;
  }

  .topbar-notice {
    padding: 8px 16px;
    font-size: 13px;
  }

  .topbar-notice p {
    font-size: 13px;
  }
}

/* 小屏手机 390px */
@media (max-width: 480px) {
  .hero-actions {
    flex-direction: column;
    align-items: stretch;
  }

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

  .hero-figure img {
    height: 200px;
  }

  .process-list li {
    padding: 20px;
  }

  .faq-item summary {
    padding: 14px 16px;
    font-size: 15px;
  }

  .faq-item p {
    padding: 14px 16px;
    font-size: 14px;
  }

  .faq-answer p {
    padding: 14px 16px;
    font-size: 14px;
  }

  .table-wrapper {
    margin: 0 -8px;
    width: calc(100% + 16px);
  }

  thead th,
  tbody td {
    padding: 12px;
    font-size: 14px;
  }

  .term-tip::after {
    width: 160px;
    left: auto;
    right: -10px;
    transform: none;
  }

  .stage-item {
    grid-template-columns: 1fr;
    gap: 12px;
    padding: 20px 0;
  }

  .stage-number {
    width: 36px;
    height: 36px;
    font-size: 15px;
  }

  .steps-timeline .step-item {
    grid-template-columns: 1fr;
    gap: 12px;
    padding: 20px 0;
  }

  .step-number {
    justify-content: flex-start;
  }

  .step-number::before {
    width: 32px;
    height: 32px;
  }

  .step-number::after {
    width: 32px;
    margin-top: -25px;
    font-size: 14px;
  }
}

/* 打印样式 */
@media print {
  .site-header,
  .site-footer,
  .topbar-notice,
  .breadcrumb,
  .cta-section,
  .related-links,
  .side-content,
  .sidebar-nav,
  .nav-toggle {
    display: none !important;
  }

  .site-main {
    padding: 0;
  }

  .inner-main,
  .page-layout.sidebar-left,
  .layout-shell {
    max-width: 100%;
    padding: 0;
  }

  .page-layout.sidebar-left,
  .layout-shell {
    display: block;
  }

  .sidebar-left .sidebar-nav {
    position: static;
  }

  .side-content {
    position: static;
  }
}