/* ==========================================================================
   91吃瓜在线 - 全站样式表
   法律专业风 / 百科词条布局
   ========================================================================== */

/* --------------------------------------------------------------------------
   Base / 基础
   -------------------------------------------------------------------------- */
:root {
  --color-primary: #1f3a5f;
  --color-text: #4a5568;
  --color-bg: #f7f5f1;
  --color-accent: #d64545;
  --color-light: #eae7e1;
  --color-dark: #222222;
  --color-border: #d8d3c9;
  --font-serif: Georgia, 'Noto Serif SC', 'Songti SC', serif;
  --font-sans: system-ui, -apple-system, 'PingFang SC', 'Microsoft YaHei', sans-serif;
  --container-width: 1200px;
  --content-width: 760px;
  --sidebar-width: 320px;
  --radius-sm: 4px;
  --radius-md: 6px;
  --radius-lg: 8px;
  --space-xs: 8px;
  --space-sm: 16px;
  --space-md: 24px;
  --space-lg: 40px;
  --space-xl: 64px;
}

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

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

body {
  font-family: var(--font-sans);
  font-size: 15px;
  line-height: 1.7;
  color: var(--color-text);
  background-color: var(--color-bg);
  -webkit-font-smoothing: antialiased;
}

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

a {
  color: var(--color-primary);
  text-decoration: none;
  transition: color 0.2s ease;
}

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

ul {
  list-style: none;
}

h1, h2, h3, h4 {
  font-family: var(--font-serif);
  line-height: 1.3;
  color: var(--color-dark);
  font-weight: 700;
}

h1 {
  font-size: 28px;
}

h2 {
  font-size: 22px;
}

h3 {
  font-size: 18px;
}

p {
  margin-bottom: 12px;
}

/* 可访问性辅助 */
.visually-hidden {
  position: absolute;
  width: 1px;
  height: 1px;
  margin: -1px;
  padding: 0;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  border: 0;
}

/* --------------------------------------------------------------------------
   Layout / 布局骨架
   -------------------------------------------------------------------------- */

/* 页头 */
.site-header {
  background-color: var(--color-bg);
  border-bottom: 1px solid var(--color-border);
}

.header-inner {
  max-width: var(--container-width);
  margin: 0 auto;
  padding: 20px 24px 16px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  position: relative;
}

.logo-area {
  display: flex;
  align-items: baseline;
  gap: 12px;
  flex-shrink: 0;
}

.logo-link {
  font-family: var(--font-serif);
  font-size: 22px;
  font-weight: 700;
  color: var(--color-primary);
  line-height: 1.2;
  white-space: nowrap;
}

.logo-slogan {
  font-size: 12px;
  color: var(--color-text);
  margin: 0;
  white-space: nowrap;
}

/* 主导航 */
.site-nav {
  margin-left: auto;
}

.nav-list {
  display: flex;
  align-items: center;
  gap: 4px;
  list-style: none;
}

.nav-list li {
  margin: 0;
}

.nav-link {
  display: block;
  padding: 10px 14px;
  font-size: 15px;
  color: var(--color-text);
  border-bottom: 2px solid transparent;
  transition: color 0.2s ease, border-color 0.2s ease;
  line-height: 1.4;
  white-space: nowrap;
}

.nav-link:hover {
  color: var(--color-primary);
  border-bottom-color: var(--color-primary);
}

.nav-link.is-current {
  color: var(--color-primary);
  border-bottom-color: var(--color-accent);
  font-weight: 600;
}

/* 汉堡按钮 */
.nav-toggle {
  display: none;
  flex-direction: column;
  justify-content: center;
  gap: 5px;
  width: 44px;
  height: 44px;
  padding: 10px;
  background: transparent;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-sm);
  cursor: pointer;
  flex-shrink: 0;
}

.toggle-bar {
  display: block;
  width: 22px;
  height: 2px;
  background-color: var(--color-primary);
  margin: 0 auto;
  transition: transform 0.2s ease, opacity 0.2s ease;
}

.nav-toggle[aria-expanded="true"] .toggle-bar:nth-child(1) {
  transform: translateY(7px) rotate(45deg);
}

.nav-toggle[aria-expanded="true"] .toggle-bar:nth-child(2) {
  opacity: 0;
}

.nav-toggle[aria-expanded="true"] .toggle-bar:nth-child(3) {
  transform: translateY(-7px) rotate(-45deg);
}

/* 主内容区 */
.site-main {
  max-width: var(--container-width);
  margin: 0 auto;
  padding: 0 24px;
}

.home-main {
  padding-top: 32px;
  padding-bottom: 64px;
}

.inner-main {
  padding-top: 24px;
  padding-bottom: 64px;
}

/* 面包屑 */
.breadcrumb {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 13px;
  color: var(--color-text);
  margin-bottom: 20px;
  padding-bottom: 12px;
  border-bottom: 1px solid var(--color-border);
}

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

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

.breadcrumb-sep {
  color: var(--color-border);
}

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

/* 页面标题区 */
.page-header {
  margin-bottom: 32px;
}

.page-title {
  font-size: 28px;
  color: var(--color-dark);
  margin-bottom: 10px;
  line-height: 1.3;
}

.page-description {
  font-size: 15px;
  color: var(--color-text);
  max-width: var(--content-width);
  line-height: 1.7;
}

/* 双栏布局 */
.content_grid,
.content-grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr) var(--sidebar-width);
  gap: 40px;
  align-items: start;
}

.main_content,
.main-content {
  min-width: 0;
  min-width: 520px;
}

.sidebar {
  min-width: 0;
}

/* 页脚 */
.site-footer {
  background-color: var(--color-light);
  border-top: 1px solid var(--color-border);
  margin-top: 48px;
}

.footer-inner {
  max-width: var(--container-width);
  margin: 0 auto;
  padding: 48px 24px 32px;
  display: grid;
  grid-template-columns: 2fr 1fr 1fr;
  gap: 40px;
}

.footer-col {
  min-width: 0;
}

.footer-brand {
  font-family: var(--font-serif);
  font-size: 20px;
  font-weight: 700;
  color: var(--color-primary);
  margin-bottom: 8px;
}

.footer-desc {
  font-size: 14px;
  color: var(--color-text);
  line-height: 1.6;
  margin: 0;
}

.footer-heading {
  font-size: 16px;
  color: var(--color-dark);
  margin-bottom: 14px;
  font-weight: 600;
}

.footer-links li {
  margin-bottom: 8px;
}

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

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

.footer-bottom {
  border-top: 1px solid var(--color-border);
  padding: 16px 24px;
  text-align: center;
}

.footer-bottom p {
  font-size: 13px;
  color: var(--color-text);
  margin: 0;
  display: inline;
}

.footer-bottom p + p {
  margin-left: 16px;
}

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

/* 按钮 */
.btn-primary,
.btn-secondary {
  display: inline-block;
  padding: 12px 28px;
  font-size: 15px;
  font-weight: 600;
  border-radius: var(--radius-sm);
  cursor: pointer;
  transition: background-color 0.2s ease, color 0.2s ease, border-color 0.2s ease;
  text-align: center;
  line-height: 1.4;
}

.btn-primary {
  background-color: var(--color-primary);
  color: #fff;
  border: 1px solid var(--color-primary);
}

.btn-primary:hover {
  background-color: #2a4a72;
  color: #fff;
  border-color: #2a4a72;
}

.btn-secondary {
  background-color: transparent;
  color: var(--color-primary);
  border: 1px solid var(--color-primary);
}

.btn-secondary:hover {
  background-color: var(--color-primary);
  color: #fff;
  border-color: var(--color-primary);
}

/* 侧栏通用 */
.sidebar-block {
  background-color: #fff;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: 24px;
  margin-bottom: 24px;
}

.sidebar-block h2 {
  font-size: 18px;
  margin-bottom: 16px;
  padding-bottom: 10px;
  border-bottom: 1px solid var(--color-border);
}

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

.sidebar-links a {
  font-size: 14px;
  color: var(--color-text);
  display: inline-block;
  padding: 4px 0;
}

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

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

/* 区块标题 */
.section-heading {
  margin-bottom: 24px;
}

.section-heading h2 {
  font-size: 22px;
  color: var(--color-dark);
  margin-bottom: 8px;
}

.section-heading p {
  font-size: 15px;
  color: var(--color-text);
  margin: 0;
}

/* 卡片通用 */
.service-card,
.info-card,
.small-card {
  background-color: #fff;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: 24px;
  transition: border-color 0.2s ease, transform 0.2s ease;
}

.service-card:hover,
.info-card:hover,
.small-card:hover {
  border-color: var(--color-primary);
}

/* 相关链接 */
.related-links {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 8px;
  margin: 32px 0;
  padding: 12px 0;
  border-top: 1px solid var(--color-border);
  border-bottom: 1px solid var(--color-border);
}

.related-links-label {
  font-size: 14px;
  font-weight: 600;
  color: var(--color-dark);
  margin-right: 8px;
}

.related-links-item {
  display: inline-block;
  padding: 6px 14px;
  font-size: 14px;
  color: var(--color-primary);
  border: 1px solid var(--color-border);
  border-radius: 20px;
  transition: border-color 0.2s ease, color 0.2s ease;
}

.related-links-item:hover {
  border-color: var(--color-primary);
  color: var(--color-accent);
}

/* 滚动出现动画 */
@keyframes fadeInUp {
  from {
    opacity: 0;
    transform: translateY(16px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

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

/* 首屏卡片流 */
.hero_summary {
  margin-bottom: 40px;
}

.hero-card {
  background-color: var(--color-primary);
  border-radius: var(--radius-lg);
  overflow: hidden;
  margin-bottom: 24px;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 0;
}

.hero-image {
  width: 100%;
  height: 300px;
  object-fit: cover;
  object-position: center;
}

.hero-content {
  padding: 40px 32px;
  display: flex;
  flex-direction: column;
  justify-content: center;
  align-items: flex-start;
}

.hero-content h1 {
  font-size: 28px;
  color: #fff;
  margin-bottom: 14px;
  line-height: 1.3;
}

.hero-content p {
  color: rgba(255, 255, 255, 0.85);
  font-size: 15px;
  line-height: 1.7;
  margin-bottom: 20px;
}

.hero-content .btn-primary {
  background-color: var(--color-accent);
  border-color: var(--color-accent);
}

.hero-content .btn-primary:hover {
  background-color: #b83a3a;
  border-color: #b83a3a;
}

/* 中卡与入口卡 */
.hero-side-cards {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 16px;
}

.info-card {
  grid-column: span 2;
}

.small-card {
  grid-column: span 1;
  padding: 20px;
}

.info-card h2,
.small-card h2 {
  font-size: 18px;
  margin-bottom: 8px;
}

.info-card p,
.small-card p {
  font-size: 14px;
  color: var(--color-text);
  margin-bottom: 12px;
  line-height: 1.6;
}

.info-card a,
.small-card a {
  font-size: 14px;
  font-weight: 600;
}

/* 百科摘要框 */
.summary-box {
  background-color: #fff;
  border: 1px solid var(--color-border);
  border-left: 4px solid var(--color-primary);
  border-radius: var(--radius-md);
  padding: 24px 28px;
  margin-bottom: 32px;
}

.summary-label {
  font-family: var(--font-serif);
  font-size: 13px;
  font-weight: 700;
  color: var(--color-accent);
  text-transform: uppercase;
  letter-spacing: 0.06em;
  margin-bottom: 8px;
}

.summary-box p:last-child {
  font-size: 15px;
  color: var(--color-text);
  line-height: 1.8;
  margin: 0;
}

/* 本页目录 */
.toc {
  margin-bottom: 40px;
  background-color: #fff;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  padding: 16px 24px;
}

.toc-inner {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 16px;
}

.toc-title {
  font-family: var(--font-serif);
  font-size: 14px;
  font-weight: 700;
  color: var(--color-dark);
  flex-shrink: 0;
}

.toc-list {
  display: flex;
  flex-wrap: wrap;
  gap: 8px 20px;
  list-style: none;
}

.toc-list a {
  font-size: 14px;
  color: var(--color-primary);
  padding: 4px 0;
  border-bottom: 1px solid transparent;
  transition: border-color 0.2s ease;
}

.toc-list a:hover {
  border-bottom-color: var(--color-accent);
  color: var(--color-accent);
}

/* 服务能力总览 */
.service_preview {
  margin-bottom: 48px;
}

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

.service-card h3 {
  font-size: 18px;
  margin-bottom: 10px;
}

.service-card p {
  font-size: 14px;
  color: var(--color-text);
  line-height: 1.6;
  margin-bottom: 14px;
}

.service-card a {
  font-size: 14px;
  font-weight: 600;
}

/* 流程概览 */
.process_preview {
  margin-bottom: 48px;
}

.process-steps-horizontal {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 20px;
  margin-bottom: 24px;
}

.step-item {
  background-color: #fff;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  padding: 20px;
  position: relative;
  transition: border-color 0.2s ease;
}

.step-item:hover {
  border-color: var(--color-primary);
}

.step-number {
  display: inline-block;
  font-family: var(--font-serif);
  font-size: 14px;
  font-weight: 700;
  color: var(--color-accent);
  margin-bottom: 8px;
}

.step-item h3 {
  font-size: 16px;
  margin-bottom: 6px;
}

.step-item p {
  font-size: 13px;
  color: var(--color-text);
  line-height: 1.5;
  margin: 0;
}

.process-image-wrap {
  margin-bottom: 24px;
}

.process-image {
  width: 100%;
  height: 220px;
  object-fit: cover;
  border-radius: var(--radius-md);
}

/* 适用场景 */
.scenario_preview {
  margin-bottom: 48px;
}

.scenario-groups {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 20px;
  margin-bottom: 20px;
}

.scenario-group {
  background-color: #fff;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: 24px;
}

.scenario-group h3 {
  font-size: 17px;
  margin-bottom: 12px;
  padding-bottom: 8px;
  border-bottom: 1px solid var(--color-border);
}

.scenario-list li {
  font-size: 14px;
  color: var(--color-text);
  padding: 6px 0 6px 20px;
  position: relative;
  line-height: 1.6;
}

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

/* 咨询入口 */
.contact-entry {
  margin: 48px 0;
  background-color: var(--color-primary);
  border-radius: var(--radius-lg);
  padding: 40px;
}

.contact-inner {
  max-width: var(--content-width);
}

.contact-inner h2 {
  font-size: 22px;
  color: #fff;
  margin-bottom: 12px;
}

.contact-inner p {
  font-size: 15px;
  color: rgba(255, 255, 255, 0.85);
  line-height: 1.7;
  margin-bottom: 24px;
}

.contact-links {
  display: flex;
  gap: 16px;
  flex-wrap: wrap;
}

.contact-links .btn-primary {
  background-color: var(--color-accent);
  border-color: var(--color-accent);
}

.contact-links .btn-primary:hover {
  background-color: #b83a3a;
  border-color: #b83a3a;
}

.contact-links .btn-secondary {
  border-color: #fff;
  color: #fff;
}

.contact-links .btn-secondary:hover {
  background-color: #fff;
  color: var(--color-primary);
}

/* --------------------------------------------------------------------------
   Pages / 服务内容页
   -------------------------------------------------------------------------- */

/* 服务锚点导航 */
.service-anchor-nav {
  background-color: #fff;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  padding: 16px 24px;
  margin-bottom: 32px;
}

.anchor-list {
  display: flex;
  flex-wrap: wrap;
  gap: 8px 24px;
  list-style: none;
}

.anchor-list a {
  font-size: 14px;
  color: var(--color-primary);
  padding: 4px 0;
  border-bottom: 1px solid transparent;
  transition: border-color 0.2s ease;
}

.anchor-list a:hover {
  border-bottom-color: var(--color-accent);
  color: var(--color-accent);
}

/* 服务介绍 */
.service-intro {
  margin-bottom: 32px;
}

.service-intro h2 {
  font-size: 22px;
  margin-bottom: 10px;
}

.service-intro p {
  font-size: 15px;
  line-height: 1.7;
  margin: 0;
}

/* 服务条目 */
.service-list {
  margin-bottom: 40px;
}

.service-item {
  background-color: #fff;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: 28px;
  margin-bottom: 20px;
}

.service-item-head {
  margin-bottom: 16px;
  padding-bottom: 12px;
  border-bottom: 1px solid var(--color-border);
}

.service-item-head h3 {
  font-size: 20px;
  margin-bottom: 6px;
}

.service-item-tag {
  display: inline-block;
  font-size: 13px;
  color: var(--color-accent);
  background-color: rgba(214, 69, 69, 0.08);
  padding: 2px 10px;
  border-radius: 12px;
  margin: 0;
}

.service-item-question {
  font-size: 14px;
  color: var(--color-text);
  margin-bottom: 8px;
  line-height: 1.6;
}

.service-item-answer {
  font-size: 15px;
  color: var(--color-text);
  line-height: 1.7;
  margin-bottom: 16px;
}

.service-item-body h4 {
  font-size: 16px;
  margin-bottom: 10px;
  color: var(--color-dark);
}

.deliverable-list {
  list-style: none;
  margin-bottom: 16px;
}

.deliverable-list li {
  font-size: 14px;
  color: var(--color-text);
  padding: 4px 0 4px 20px;
  position: relative;
  line-height: 1.6;
}

.deliverable-list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 12px;
  width: 6px;
  height: 6px;
  background-color: var(--color-primary);
  border-radius: 50%;
}

.service-item-audience {
  font-size: 13px;
  color: var(--color-text);
  background-color: var(--color-bg);
  border-left: 3px solid var(--color-primary);
  padding: 8px 12px;
  border-radius: 0 var(--radius-sm) var(--radius-sm) 0;
  margin: 0;
  line-height: 1.6;
}

/* 服务配图 */
.service-media {
  margin: 24px 0;
}

.service-media img {
  width: 100%;
  height: 240px;
  object-fit: cover;
  border-radius: var(--radius-md);
}

.service-media figcaption {
  font-size: 13px;
  color: var(--color-text);
  padding: 8px 4px 0;
  text-align: center;
}

/* 交付说明 */
.delivery-note {
  background-color: #fff;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: 28px;
}

.delivery-note h2 {
  font-size: 20px;
  margin-bottom: 10px;
}

.delivery-note > p {
  font-size: 15px;
  line-height: 1.7;
  margin-bottom: 20px;
}

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

.note-block {
  background-color: var(--color-bg);
  border-radius: var(--radius-md);
  padding: 20px;
}

.note-block h3 {
  font-size: 16px;
  margin-bottom: 10px;
}

.note-block ul {
  list-style: none;
}

.note-block li {
  font-size: 14px;
  color: var(--color-text);
  padding: 4px 0 4px 16px;
  position: relative;
  line-height: 1.6;
}

.note-block li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 12px;
  width: 5px;
  height: 5px;
  background-color: var(--color-accent);
  border-radius: 50%;
}

/* 服务页侧栏 */
.sidebar-module {
  background-color: #fff;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: 24px;
  margin-bottom: 24px;
}

.sidebar-heading {
  font-size: 18px;
  margin-bottom: 16px;
  padding-bottom: 10px;
  border-bottom: 1px solid var(--color-border);
}

.sidebar-note {
  font-size: 13px;
  color: var(--color-text);
  background-color: var(--color-bg);
  border-radius: var(--radius-sm);
  padding: 12px;
  line-height: 1.6;
  margin-top: 16px;
}

/* --------------------------------------------------------------------------
   Pages / 服务流程页
   -------------------------------------------------------------------------- */

.page_header p {
  font-size: 15px;
  color: var(--color-text);
  max-width: var(--content-width);
  line-height: 1.7;
  margin-bottom: 32px;
}

/* 流程步骤 */
.process_steps {
  margin-bottom: 40px;
}

.process_steps > h2 {
  font-size: 22px;
  margin-bottom: 20px;
}

.process-step {
  background-color: #fff;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: 24px 28px;
  margin-bottom: 16px;
  position: relative;
  transition: border-color 0.2s ease;
}

.process-step:hover {
  border-color: var(--color-primary);
}

.process-step h3 {
  font-size: 18px;
  margin-bottom: 8px;
  color: var(--color-primary);
}

.process-step p {
  font-size: 14px;
  color: var(--color-text);
  line-height: 1.7;
  margin-bottom: 10px;
}

.delivery-point {
  font-size: 13px !important;
  background-color: var(--color-bg);
  border-left: 3px solid var(--color-accent);
  padding: 8px 12px;
  border-radius: 0 var(--radius-sm) var(--radius-sm) 0;
  margin: 0 !important;
}

.delivery-point strong {
  color: var(--color-dark);
}

/* 过程图集 */
.gallery {
  margin-bottom: 40px;
}

.gallery h2 {
  font-size: 22px;
  margin-bottom: 20px;
}

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

.gallery-item {
  background-color: #fff;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  overflow: hidden;
  transition: border-color 0.2s ease;
}

.gallery-item:hover {
  border-color: var(--color-primary);
}

.gallery-item img {
  width: 100%;
  height: 180px;
  object-fit: cover;
}

.gallery-item figcaption {
  font-size: 13px;
  color: var(--color-text);
  padding: 12px 16px;
  text-align: center;
  line-height: 1.5;
}

/* 协作清单 */
.checklist {
  background-color: #fff;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: 24px;
}

.checklist h2 {
  font-size: 18px;
  margin-bottom: 16px;
  padding-bottom: 10px;
  border-bottom: 1px solid var(--color-border);
}

.checklist-static {
  list-style: none;
}

.checklist-static li {
  display: flex;
  align-items: flex-start;
  gap: 10px;
  padding: 10px 0;
  border-bottom: 1px solid var(--color-bg);
  font-size: 14px;
  color: var(--color-text);
  line-height: 1.6;
}

.checklist-static li:last-child {
  border-bottom: none;
}

.check-icon {
  display: inline-block;
  width: 18px;
  height: 18px;
  border: 2px solid var(--color-primary);
  border-radius: 3px;
  flex-shrink: 0;
  margin-top: 2px;
  position: relative;
}

.checklist-static li strong {
  color: var(--color-dark);
  font-weight: 600;
}

/* --------------------------------------------------------------------------
   Pages / 适用场景页
   -------------------------------------------------------------------------- */

.scenario-intro {
  background-color: #fff;
  border: 1px solid var(--color-border);
  border-left: 4px solid var(--color-primary);
  border-radius: var(--radius-md);
  padding: 20px 24px;
  margin-bottom: 32px;
}

.scenario-intro p {
  font-size: 15px;
  line-height: 1.8;
  margin: 0;
}

.scenario-categories {
  margin-bottom: 40px;
}

.scenario-categories h2 {
  font-size: 22px;
  margin-bottom: 20px;
}

.scenario-card {
  background-color: #fff;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: 24px;
  margin-bottom: 16px;
  transition: border-color 0.2s ease;
}

.scenario-card:hover {
  border-color: var(--color-primary);
}

.scenario-card h3 {
  font-size: 18px;
  margin-bottom: 12px;
  padding-bottom: 8px;
  border-bottom: 1px solid var(--color-border);
}

.scenario-list {
  list-style: none;
  margin-bottom: 12px;
}

.scenario-list li {
  font-size: 14px;
  color: var(--color-text);
  padding: 4px 0 4px 20px;
  position: relative;
  line-height: 1.6;
}

.scenario-list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 12px;
  width: 6px;
  height: 6px;
  background-color: var(--color-accent);
  border-radius: 50%;
}

.scenario-note {
  font-size: 13px;
  color: var(--color-text);
  background-color: var(--color-bg);
  border-radius: var(--radius-sm);
  padding: 10px 14px;
  margin: 0;
  line-height: 1.6;
}

.scenario-figure {
  margin: 24px 0;
}

.scenario-figure img {
  width: 100%;
  height: 240px;
  object-fit: cover;
  border-radius: var(--radius-md);
}

.scenario-figure figcaption {
  font-size: 13px;
  color: var(--color-text);
  padding: 8px 4px 0;
  text-align: center;
}

/* 边界说明 */
.boundary-note {
  background-color: #fff;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: 28px;
}

.boundary-note h2 {
  font-size: 20px;
  margin-bottom: 10px;
}

.boundary-lead {
  font-size: 15px;
  line-height: 1.7;
  margin-bottom: 16px;
}

.boundary-list {
  list-style: none;
}

.boundary-list li {
  font-size: 14px;
  color: var(--color-text);
  padding: 8px 0 8px 24px;
  position: relative;
  line-height: 1.6;
  border-bottom: 1px solid var(--color-bg);
}

.boundary-list li:last-child {
  border-bottom: none;
}

.boundary-list li::before {
  content: "×";
  position: absolute;
  left: 0;
  top: 8px;
  font-weight: 700;
  color: var(--color-accent);
  font-size: 16px;
}

/* 快速匹配 */
.quick-check {
  background-color: #fff;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: 24px;
}

.quick-check h2 {
  font-size: 18px;
  margin-bottom: 8px;
}

.sidebar-intro {
  font-size: 14px;
  color: var(--color-text);
  line-height: 1.6;
  margin-bottom: 16px;
}

.check-item {
  border-bottom: 1px solid var(--color-bg);
  padding: 8px 0;
}

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

.check-item summary {
  font-size: 14px;
  font-weight: 600;
  color: var(--color-primary);
  cursor: pointer;
  padding: 8px 0;
  list-style: none;
  position: relative;
  padding-right: 20px;
}

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

.check-item summary::after {
  content: "+";
  position: absolute;
  right: 0;
  top: 8px;
  font-size: 18px;
  color: var(--color-accent);
}

.check-item[open] summary::after {
  content: "−";
}

.check-item p {
  font-size: 14px;
  color: var(--color-text);
  line-height: 1.6;
  padding: 4px 0 8px;
  margin: 0;
}

.check-item p a {
  font-weight: 600;
}

/* --------------------------------------------------------------------------
   Pages / 常见问题页
   -------------------------------------------------------------------------- */

/* 过滤工具栏 */
.faq-toolbar {
  margin-bottom: 32px;
}

.toolbar-inner {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 16px;
  background-color: #fff;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  padding: 16px 24px;
}

.toolbar-label {
  font-size: 14px;
  font-weight: 600;
  color: var(--color-dark);
  flex-shrink: 0;
}

.filter-group {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

.filter-btn {
  display: inline-block;
  padding: 8px 20px;
  font-size: 14px;
  color: var(--color-text);
  background-color: var(--color-bg);
  border: 1px solid var(--color-border);
  border-radius: 20px;
  cursor: pointer;
  transition: background-color 0.2s ease, color 0.2s ease, border-color 0.2s ease;
  min-height: 36px;
}

.filter-btn:hover {
  border-color: var(--color-primary);
  color: var(--color-primary);
}

.filter-btn.is-active {
  background-color: var(--color-primary);
  color: #fff;
  border-color: var(--color-primary);
}

/* FAQ 分组 */
.faq-group {
  margin-bottom: 32px;
}

.faq-group-title {
  font-size: 20px;
  margin-bottom: 16px;
  padding-bottom: 8px;
  border-bottom: 2px solid var(--color-primary);
}

.faq-item {
  background-color: #fff;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  margin-bottom: 12px;
  overflow: hidden;
}

.faq-item summary {
  font-size: 15px;
  font-weight: 600;
  color: var(--color-dark);
  cursor: pointer;
  padding: 16px 20px;
  list-style: none;
  position: relative;
  padding-right: 40px;
  transition: color 0.2s ease;
}

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

.faq-item summary::after {
  content: "+";
  position: absolute;
  right: 20px;
  top: 14px;
  font-size: 20px;
  color: var(--color-accent);
  font-weight: 400;
}

.faq-item[open] summary::after {
  content: "−";
}

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

.faq-answer {
  padding: 0 20px 16px;
}

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

/* 自助路径 */
.support-note {
  margin: 40px 0;
}

.support-inner {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 32px;
  background-color: #fff;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: 32px;
  align-items: center;
}

.support-figure img {
  width: 100%;
  height: 200px;
  object-fit: cover;
  border-radius: var(--radius-md);
}

.support-content h2 {
  font-size: 20px;
  margin-bottom: 10px;
}

.support-content p {
  font-size: 14px;
  color: var(--color-text);
  line-height: 1.7;
  margin-bottom: 16px;
}

.support-links {
  display: flex;
  flex-wrap: wrap;
  gap: 20px;
}

.text-link {
  font-size: 14px;
  font-weight: 600;
  color: var(--color-primary);
  border-bottom: 1px solid transparent;
  transition: border-color 0.2s ease;
}

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

/* --------------------------------------------------------------------------
   Pages / 关于我们页
   -------------------------------------------------------------------------- */

.layout-shell {
  max-width: var(--container-width);
  margin: 0 auto;
  display: grid;
  grid-template-columns: minmax(0, 1fr) var(--sidebar-width);
  gap: 40px;
  align-items: start;
}

.layout-shell .main-content {
  min-width: 0;
  min-width: 520px;
}

/* 定位摘要 */
.positioning {
  background-color: #fff;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: 28px;
  margin-bottom: 32px;
}

.positioning h2 {
  font-size: 20px;
  margin-bottom: 12px;
}

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

.positioning p:last-of-type {
  margin-bottom: 16px;
}

.tag-list {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  list-style: none;
}

.tag-list li {
  font-size: 13px;
  color: var(--color-primary);
  background-color: var(--color-bg);
  border: 1px solid var(--color-border);
  border-radius: 16px;
  padding: 4px 14px;
}

/* 服务原则 */
.principles {
  margin-bottom: 32px;
}

.principles h2 {
  font-size: 20px;
  margin-bottom: 20px;
}

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

.principle-card {
  background-color: #fff;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  padding: 20px;
  transition: border-color 0.2s ease;
}

.principle-card:hover {
  border-color: var(--color-primary);
}

.principle-card h3 {
  font-size: 16px;
  margin-bottom: 8px;
  color: var(--color-primary);
}

.principle-card p {
  font-size: 14px;
  color: var(--color-text);
  line-height: 1.6;
  margin: 0;
}

/* 合作方式 */
.cooperation {
  background-color: #fff;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: 28px;
  margin-bottom: 32px;
}

.cooperation h2 {
  font-size: 20px;
  margin-bottom: 12px;
}

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

.cooperation a {
  font-weight: 600;
}

/* 关于配图 */
.about-image {
  margin-bottom: 32px;
}

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

.about-figure figcaption {
  font-size: 13px;
  color: var(--color-text);
  padding: 8px 4px 0;
  text-align: center;
}

/* 侧栏 */
.facts {
  background-color: #fff;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: 24px;
}

.facts h2 {
  font-size: 18px;
  margin-bottom: 16px;
  padding-bottom: 10px;
  border-bottom: 1px solid var(--color-border);
}

.facts-list {
  list-style: none;
  margin-bottom: 16px;
}

.facts-list li {
  font-size: 14px;
  color: var(--color-text);
  padding: 8px 0 8px 24px;
  position: relative;
  line-height: 1.6;
  border-bottom: 1px solid var(--color-bg);
}

.facts-list li:last-child {
  border-bottom: none;
}

.facts-list li::before {
  content: "✓";
  position: absolute;
  left: 0;
  top: 8px;
  color: var(--color-primary);
  font-weight: 700;
}

.facts-note {
  font-size: 13px;
  color: var(--color-text);
  background-color: var(--color-bg);
  border-radius: var(--radius-sm);
  padding: 12px;
  line-height: 1.6;
  margin-bottom: 20px;
}

.related-nav h3 {
  font-size: 15px;
  margin-bottom: 10px;
  color: var(--color-dark);
}

.related-links li {
  margin-bottom: 8px;
}

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

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

/* --------------------------------------------------------------------------
   Pages / 404 页
   -------------------------------------------------------------------------- */

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

.error-wrap {
  text-align: center;
  max-width: 560px;
  padding: 48px 32px;
  background-color: #fff;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
}

.error-title {
  font-size: 64px;
  color: var(--color-primary);
  margin-bottom: 16px;
  line-height: 1;
}

.error-lead {
  font-size: 20px;
  color: var(--color-dark);
  margin-bottom: 12px;
}

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

.error-btn {
  display: inline-block;
  padding: 12px 28px;
  font-size: 15px;
  font-weight: 600;
  color: #fff;
  background-color: var(--color-primary);
  border-radius: var(--radius-sm);
  border: 1px solid var(--color-primary);
  transition: background-color 0.2s ease;
}

.error-btn:hover {
  background-color: #2a4a72;
  color: #fff;
}

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

/* 平板 */
@media (max-width: 1024px) {
  .hero-card {
    grid-template-columns: 1fr;
  }

  .hero-image {
    height: 240px;
  }

  .hero-content {
    padding: 32px 28px;
  }

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

  .info-card,
  .small-card {
    grid-column: auto;
  }

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

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

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

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

  .support-inner {
    grid-template-columns: 1fr;
  }
}

/* 手机 */
@media (max-width: 768px) {
  .header-inner {
    flex-wrap: wrap;
    padding: 16px 16px 12px;
    gap: 12px;
  }

  .logo-area {
    flex: 1;
  }

  .logo-link {
    font-size: 20px;
  }

  .logo-slogan {
    font-size: 11px;
  }

  .nav-toggle {
    display: flex;
  }

  .site-nav {
    order: 3;
    width: 100%;
    margin: 0;
  }

  .nav-list {
    display: none;
    flex-direction: column;
    align-items: stretch;
    gap: 0;
    background-color: #fff;
    border: 1px solid var(--color-border);
    border-radius: var(--radius-md);
    padding: 8px;
    margin-top: 8px;
  }

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

  .nav-list li {
    width: 100%;
  }

  .nav-link {
    padding: 12px 16px;
    border-bottom: 1px solid var(--color-bg);
    border-left: 2px solid transparent;
    white-space: normal;
  }

  .nav-link.is-current {
    border-bottom-color: var(--color-bg);
    border-left-color: var(--color-accent);
    background-color: var(--color-bg);
  }

  .site-main {
    padding: 0 16px;
  }

  .home-main {
    padding-top: 24px;
    padding-bottom: 48px;
  }

  .inner-main {
    padding-top: 20px;
    padding-bottom: 48px;
  }

  h1 {
    font-size: 22px;
  }

  .page-title {
    font-size: 22px;
  }

  /* 双栏变单栏 */
  .content_grid,
  .content-grid,
  .layout-shell {
    grid-template-columns: 1fr;
    gap: 24px;
  }

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

  .sidebar {
    order: 2;
  }

  /* 首页 */
  .hero-content {
    padding: 28px 24px;
  }

  .hero-content h1 {
    font-size: 22px;
  }

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

  .toc-inner {
    flex-direction: column;
    align-items: flex-start;
    gap: 8px;
  }

  .service-cards {
    grid-template-columns: 1fr;
  }

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

  .scenario-groups {
    grid-template-columns: 1fr;
  }

  .contact-entry {
    padding: 28px 20px;
  }

  .contact-links {
    flex-direction: column;
  }

  .contact-links .btn-primary,
  .contact-links .btn-secondary {
    width: 100%;
  }

  /* 服务页 */
  .note-grid {
    grid-template-columns: 1fr;
  }

  .service-item {
    padding: 20px;
  }

  /* 流程页 */
  .gallery-grid {
    grid-template-columns: 1fr;
  }

  .checklist {
    order: 2;
  }

  /* 场景页 */
  .scenario-card {
    padding: 20px;
  }

  /* FAQ */
  .toolbar-inner {
    flex-direction: column;
    align-items: flex-start;
    gap: 12px;
  }

  .faq-item summary {
    padding: 14px 16px;
    padding-right: 36px;
    font-size: 14px;
  }

  .faq-item summary::after {
    right: 16px;
  }

  .support-inner {
    padding: 24px 20px;
  }

  /* 关于 */
  .principles-grid {
    grid-template-columns: 1fr;
  }

  .positioning,
  .cooperation {
    padding: 20px;
  }

  /* 页脚 */
  .footer-inner {
    grid-template-columns: 1fr;
    gap: 24px;
    padding: 32px 16px 24px;
  }

  .footer-bottom {
    padding: 16px;
  }

  .footer-bottom p {
    display: block;
    margin: 0;
  }

  .footer-bottom p + p {
    margin: 4px 0 0;
  }

  /* 面包屑 */
  .breadcrumb {
    font-size: 12px;
    margin-bottom: 16px;
  }

  /* 404 */
  .error-wrap {
    padding: 32px 20px;
  }

  .error-title {
    font-size: 48px;
  }
}

/* 小屏手机 */
@media (max-width: 390px) {
  .header-inner {
    padding: 14px 12px 10px;
  }

  .logo-slogan {
    display: none;
  }

  .site-main {
    padding: 0 12px;
  }

  .hero-image {
    height: 200px;
  }

  .hero-content {
    padding: 24px 20px;
  }

  .hero-content h1 {
    font-size: 20px;
  }

  .hero-content p {
    font-size: 14px;
  }

  .summary-box {
    padding: 20px;
  }

  .toc {
    padding: 14px 16px;
  }

  .service-card,
  .info-card,
  .small-card {
    padding: 20px;
  }

  .step-item {
    padding: 16px;
  }

  .scenario-group {
    padding: 20px;
  }

  .process-step {
    padding: 20px;
  }

  .gallery-item img {
    height: 160px;
  }

  .service-media img,
  .scenario-figure img,
  .about-figure img,
  .support-figure img {
    height: 180px;
  }

  .footer-inner {
    padding-left: 12px;
    padding-right: 12px;
  }
}