/* ==========================================================================
   warmcare.cn · 糖心vlog官网 全站样式
   旅游指南风：深青 / 橙黄 / 米白
   ========================================================================== */

/* --------------------------------------------------------------------------
   1. BASE — 基础重置、字体、色彩变量
   -------------------------------------------------------------------------- */
:root {
  --color-primary: #2A6B7C;
  --color-primary-dark: #1F5361;
  --color-primary-light: #E4EFF2;
  --color-accent: #F4A261;
  --color-accent-dark: #D9823A;
  --color-highlight: #E9C46A;
  --color-bg: #F7F3E8;
  --color-bg-card: #FFFFFF;
  --color-text: #333333;
  --color-text-light: #5C6B6F;
  --color-border: #DDE3E4;
  --color-white: #FFFFFF;

  --font-family: 'PingFang SC', 'Microsoft YaHei', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;

  --container-width: 1200px;
  --container-padding: 24px;
  --radius-sm: 4px;
  --radius-md: 8px;
  --radius-lg: 8px;

  --transition-speed: 0.25s;
}

*,
*::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-family);
  font-size: 16px;
  line-height: 1.7;
  color: var(--color-text);
  background-color: var(--color-bg);
  -webkit-font-smoothing: antialiased;
}

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

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

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

ul,
ol {
  list-style: none;
}

button {
  font-family: inherit;
  font-size: inherit;
  line-height: inherit;
  border: none;
  background: none;
  cursor: pointer;
}

/* 可视隐藏（仅屏幕阅读器） */
.visually-hidden {
  position: absolute;
  width: 1px;
  height: 1px;
  margin: -1px;
  padding: 0;
  overflow: hidden;
  clip: rect(0 0 0 0);
  white-space: nowrap;
  border: 0;
}

/* --------------------------------------------------------------------------
   2. LAYOUT — 全站统一容器与骨架
   -------------------------------------------------------------------------- */
.site-header {
  background-color: var(--color-white);
  border-bottom: 1px solid var(--color-border);
}

.utility-bar {
  background-color: var(--color-primary-dark);
  padding: 6px 0;
}

.utility-bar a {
  display: inline-block;
  color: rgba(255, 255, 255, 0.85);
  font-size: 13px;
  line-height: 1.6;
  margin-right: 20px;
}

.utility-bar a:hover {
  color: var(--color-white);
}

.nav-shell {
  max-width: var(--container-width);
  margin: 0 auto;
  padding: 0 var(--container-padding);
  display: flex;
  align-items: center;
  justify-content: space-between;
  min-height: 64px;
}

.brand-link {
  display: inline-flex;
  align-items: center;
  font-size: 20px;
  font-weight: 700;
  color: var(--color-primary);
  letter-spacing: 0.5px;
}

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

.brand-name {
  line-height: 1.3;
}

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

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

.nav-list li {
  position: relative;
}

.nav-list a {
  display: block;
  padding: 10px 16px;
  font-size: 15px;
  font-weight: 500;
  color: var(--color-text);
  border-radius: var(--radius-sm);
  position: relative;
}

.nav-list a::after {
  content: '';
  position: absolute;
  left: 16px;
  right: 16px;
  bottom: 4px;
  height: 2px;
  background-color: var(--color-accent);
  transform: scaleX(0);
  transform-origin: left center;
  transition: transform var(--transition-speed) ease;
}

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

.nav-list a:hover::after,
.nav-list a.is-current::after {
  transform: scaleX(1);
}

.nav-list a.is-current {
  color: var(--color-primary);
  font-weight: 600;
}

.nav-toggle {
  display: none;
  width: 44px;
  height: 44px;
  align-items: center;
  justify-content: center;
  border-radius: var(--radius-sm);
  position: relative;
}

.nav-toggle-icon,
.nav-toggle-icon::before,
.nav-toggle-icon::after {
  content: '';
  display: block;
  width: 22px;
  height: 2px;
  background-color: var(--color-primary);
  position: absolute;
  transition: transform var(--transition-speed) ease, opacity var(--transition-speed) ease;
}

.nav-toggle-icon {
  position: relative;
}

.nav-toggle-icon::before {
  top: -7px;
  left: 0;
}

.nav-toggle-icon::after {
  top: 7px;
  left: 0;
}

.nav-toggle[aria-expanded="true"] .nav-toggle-icon {
  background-color: transparent;
}

.nav-toggle[aria-expanded="true"] .nav-toggle-icon::before {
  transform: rotate(45deg);
  top: 0;
}

.nav-toggle[aria-expanded="true"] .nav-toggle-icon::after {
  transform: rotate(-45deg);
  top: 0;
}

/* 主内容区域 */
.site-main {
  min-height: 60vh;
}

.inner-main {
  max-width: var(--container-width);
  margin: 0 auto;
  padding: 0 var(--container-padding) 64px;
}

/* 面包屑 */
.breadcrumb {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  padding: 20px 0 8px;
  font-size: 14px;
  color: var(--color-text-light);
}

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

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

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

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

/* 页面标题区 */
.page-header {
  padding: 12px 0 28px;
}

.page-title {
  font-size: 32px;
  font-weight: 700;
  line-height: 1.3;
  color: var(--color-text);
  margin-bottom: 10px;
}

.page-description {
  font-size: 16px;
  line-height: 1.7;
  color: var(--color-text-light);
  max-width: 720px;
}

/* 页脚 */
.site-footer {
  background-color: var(--color-primary-dark);
  color: rgba(255, 255, 255, 0.85);
  padding: 48px 0 0;
}

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

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

.footer-tagline {
  font-size: 14px;
  color: var(--color-highlight);
  margin-bottom: 12px;
}

.footer-desc {
  font-size: 14px;
  line-height: 1.7;
  color: rgba(255, 255, 255, 0.75);
}

.footer-column h3 {
  font-size: 16px;
  font-weight: 600;
  color: var(--color-white);
  margin-bottom: 14px;
}

.footer-column ul {
  display: grid;
  gap: 8px;
}

.footer-column ul a {
  color: rgba(255, 255, 255, 0.75);
  font-size: 14px;
  line-height: 1.6;
}

.footer-column ul a:hover {
  color: var(--color-white);
}

.footer-bottom {
  margin-top: 40px;
  border-top: 1px solid rgba(255, 255, 255, 0.15);
  padding: 16px var(--container-padding);
  text-align: center;
  font-size: 13px;
  color: rgba(255, 255, 255, 0.6);
}

.footer-bottom p {
  max-width: var(--container-width);
  margin: 0 auto;
}

/* 相关链接条 */
.related-links {
  max-width: var(--container-width);
  margin: 0 auto;
  padding: 24px var(--container-padding) 0;
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 12px;
  font-size: 14px;
}

.related-links-label {
  font-weight: 600;
  color: var(--color-text);
}

.related-links-item {
  color: var(--color-primary);
  background-color: var(--color-white);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-sm);
  padding: 6px 14px;
  transition: background-color var(--transition-speed) ease, color var(--transition-speed) ease;
}

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

/* --------------------------------------------------------------------------
   3. COMPONENTS — 通用组件
   -------------------------------------------------------------------------- */

/* 按钮 */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 12px 28px;
  border-radius: var(--radius-sm);
  font-size: 16px;
  font-weight: 600;
  line-height: 1.5;
  transition: background-color var(--transition-speed) ease, color var(--transition-speed) ease, border-color var(--transition-speed) ease;
}

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

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

.btn-secondary {
  background-color: transparent;
  color: var(--color-primary);
  border: 2px solid var(--color-primary);
}

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

/* 区块标题 */
.section-title {
  font-size: 24px;
  font-weight: 700;
  line-height: 1.4;
  color: var(--color-text);
  margin-bottom: 12px;
  position: relative;
  padding-left: 16px;
}

.section-title::before {
  content: '';
  position: absolute;
  left: 0;
  top: 6px;
  bottom: 6px;
  width: 4px;
  background-color: var(--color-accent);
  border-radius: 2px;
}

.section-intro {
  font-size: 16px;
  line-height: 1.7;
  color: var(--color-text-light);
  margin-bottom: 28px;
  max-width: 760px;
}

/* 文本链接 */
.text-link {
  display: inline-block;
  font-weight: 600;
  color: var(--color-primary);
  border-bottom: 2px solid var(--color-highlight);
  padding-bottom: 2px;
  transition: border-color var(--transition-speed) ease, color var(--transition-speed) ease;
}

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

/* 内容图片 */
.content-media {
  margin: 24px 0;
}

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

.content-media figcaption {
  font-size: 13px;
  color: var(--color-text-light);
  padding: 8px 4px 0;
  line-height: 1.5;
}

.content-media-primary {
  margin: 0;
}

.content-media-inline {
  margin: 20px 0 24px;
}

/* 服务卡片 */
.service-card {
  background-color: var(--color-bg-card);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  padding: 28px 24px;
  transition: box-shadow var(--transition-speed) ease, border-color var(--transition-speed) ease;
}

.service-card:hover {
  border-color: var(--color-primary);
  box-shadow: 0 4px 16px rgba(42, 107, 124, 0.12);
}

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

.service-card p {
  font-size: 15px;
  line-height: 1.7;
  color: var(--color-text-light);
  margin-bottom: 8px;
}

.service-card .service-scene {
  font-size: 14px;
  color: var(--color-primary-dark);
  background-color: var(--color-primary-light);
  border-radius: var(--radius-sm);
  padding: 8px 12px;
  margin: 12px 0 16px;
}

.service-card a {
  display: inline-block;
  font-size: 14px;
  font-weight: 600;
  color: var(--color-accent-dark);
}

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

/* 筛选标签 */
.filter-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
}

.filter-tag {
  display: inline-block;
  padding: 8px 18px;
  font-size: 14px;
  line-height: 1.5;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-sm);
  background-color: var(--color-white);
  color: var(--color-text);
  transition: background-color var(--transition-speed) ease, color var(--transition-speed) ease, border-color var(--transition-speed) ease;
}

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

.filter-tag.is-active {
  background-color: var(--color-primary);
  border-color: var(--color-primary);
  color: var(--color-white);
}

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

.faq-item summary {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 18px 24px;
  font-size: 16px;
  font-weight: 600;
  color: var(--color-text);
  cursor: pointer;
  list-style: none;
  position: relative;
  padding-right: 48px;
  transition: color var(--transition-speed) ease;
}

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

.faq-item summary::after {
  content: '+';
  position: absolute;
  right: 20px;
  top: 50%;
  transform: translateY(-50%);
  font-size: 22px;
  font-weight: 400;
  color: var(--color-primary);
  transition: transform var(--transition-speed) ease;
}

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

.faq-item[open] summary::after {
  content: '−';
  transform: translateY(-50%);
}

.faq-answer {
  padding: 0 24px 18px;
  font-size: 15px;
  line-height: 1.7;
  color: var(--color-text-light);
}

.faq-answer p {
  margin-bottom: 8px;
}

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

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

.sidebar-block {
  background-color: var(--color-bg-card);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  padding: 24px;
  margin-bottom: 20px;
}

.sidebar-title,
.aside-title {
  font-size: 18px;
  font-weight: 700;
  color: var(--color-text);
  margin-bottom: 16px;
  padding-bottom: 10px;
  border-bottom: 2px solid var(--color-highlight);
}

/* 步骤编号（流程页） */
.timeline-marker {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 36px;
  height: 36px;
  border-radius: 50%;
  background-color: var(--color-primary);
  color: var(--color-white);
  font-weight: 700;
  font-size: 15px;
  flex-shrink: 0;
}

/* --------------------------------------------------------------------------
   4. PAGES — 首页
   -------------------------------------------------------------------------- */

/* 首屏 Hero */
.hero {
  max-width: var(--container-width);
  margin: 0 auto;
  padding: 48px var(--container-padding) 40px;
  display: grid;
  grid-template-columns: 1.1fr 0.9fr;
  gap: 48px;
  align-items: center;
}

.hero-copy h1 {
  font-size: 32px;
  font-weight: 700;
  line-height: 1.35;
  color: var(--color-text);
  margin-bottom: 12px;
}

.hero-tagline {
  font-size: 18px;
  font-weight: 600;
  color: var(--color-primary);
  margin-bottom: 16px;
}

.hero-description {
  font-size: 16px;
  line-height: 1.7;
  color: var(--color-text-light);
  margin-bottom: 24px;
}

.hero-media {
  margin: 0;
}

.hero-media img {
  width: 100%;
  height: 320px;
  object-fit: cover;
  border-radius: var(--radius-md);
  border: 4px solid var(--color-white);
  box-shadow: 0 8px 24px rgba(42, 107, 124, 0.15);
}

/* 服务矩阵概览 */
.services-overview {
  max-width: var(--container-width);
  margin: 0 auto;
  padding: 48px var(--container-padding);
}

.services-overview .section-intro {
  margin-bottom: 32px;
}

.service-grid {
  display: grid;
  gap: 24px;
}

.services-overview .service-grid {
  grid-template-columns: repeat(3, 1fr);
}

/* 流程预览 */
.process-preview {
  background-color: var(--color-primary-light);
  padding: 48px 0;
}

.process-preview .section-intro {
  max-width: var(--container-width);
  margin-left: auto;
  margin-right: auto;
}

.process-preview h2,
.process-preview .section-intro {
  padding-left: var(--container-padding);
  padding-right: var(--container-padding);
}

.timeline-preview {
  max-width: var(--container-width);
  margin: 0 auto;
  padding: 8px var(--container-padding) 24px;
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 20px;
}

.timeline-node {
  background-color: var(--color-white);
  border-radius: var(--radius-md);
  padding: 24px 20px;
  border-top: 4px solid var(--color-accent);
  position: relative;
}

.timeline-marker {
  background-color: var(--color-accent);
  color: var(--color-white);
  margin-bottom: 12px;
}

.timeline-node h3 {
  font-size: 17px;
  font-weight: 600;
  color: var(--color-text);
  margin-bottom: 8px;
}

.timeline-node p {
  font-size: 14px;
  line-height: 1.6;
  color: var(--color-text-light);
  margin-bottom: 12px;
}

.timeline-status {
  display: inline-block;
  font-size: 12px;
  font-weight: 600;
  color: var(--color-accent-dark);
  background-color: #FDF0E3;
  border-radius: var(--radius-sm);
  padding: 4px 10px;
}

.process-preview > .text-link {
  margin-left: var(--container-padding);
}

/* 应用场景专题 */
.scenarios {
  max-width: var(--container-width);
  margin: 0 auto;
  padding: 48px var(--container-padding);
}

.scenario-block {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 24px;
}

.scenario-item {
  background-color: var(--color-bg-card);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  padding: 32px 28px;
  position: relative;
}

.scenario-item::before {
  content: '01';
  position: absolute;
  top: 16px;
  right: 20px;
  font-size: 40px;
  font-weight: 700;
  color: var(--color-highlight);
  line-height: 1;
}

.scenario-item:nth-child(2)::before {
  content: '02';
}

.scenario-item h3 {
  font-size: 20px;
  font-weight: 600;
  color: var(--color-primary);
  margin-bottom: 12px;
}

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

.scenario-item a {
  display: inline-block;
  font-weight: 600;
  color: var(--color-accent-dark);
  border-bottom: 2px solid var(--color-highlight);
  padding-bottom: 2px;
}

/* 客户指南精选 */
.guide-featured {
  background-color: var(--color-white);
  padding: 48px 0;
}

.guide-featured h2,
.guide-featured .section-intro {
  max-width: var(--container-width);
  margin-left: auto;
  margin-right: auto;
  padding-left: var(--container-padding);
  padding-right: var(--container-padding);
}

.guide-list {
  max-width: var(--container-width);
  margin: 0 auto;
  padding: 0 var(--container-padding);
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}

.guide-entry {
  background-color: var(--color-bg);
  border-radius: var(--radius-md);
  border-left: 4px solid var(--color-primary);
  padding: 24px;
  transition: background-color var(--transition-speed) ease;
}

.guide-entry:hover {
  background-color: var(--color-primary-light);
}

.guide-entry h3 {
  font-size: 17px;
  font-weight: 600;
  color: var(--color-text);
  margin-bottom: 8px;
}

.guide-entry p {
  font-size: 14px;
  line-height: 1.6;
  color: var(--color-text-light);
  margin-bottom: 12px;
}

.guide-entry a {
  font-size: 14px;
  font-weight: 600;
  color: var(--color-primary);
}

/* FAQ 摘选 */
.faq-preview {
  max-width: var(--container-width);
  margin: 0 auto;
  padding: 48px var(--container-padding);
}

.faq-preview .faq-item {
  margin-bottom: 16px;
}

.faq-preview .faq-item h3 {
  font-size: 16px;
  font-weight: 600;
  color: var(--color-text);
  padding: 18px 24px;
  border-bottom: 1px solid var(--color-border);
}

.faq-preview .faq-item p {
  font-size: 15px;
  line-height: 1.7;
  color: var(--color-text-light);
  padding: 14px 24px;
}

.faq-preview .faq-item a {
  display: inline-block;
  margin: 0 24px 18px;
  font-size: 14px;
  font-weight: 600;
  color: var(--color-primary);
}

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

/* 服务边界声明 */
.boundary-note {
  background-color: var(--color-highlight);
  padding: 40px 0;
}

.boundary-note h2 {
  max-width: var(--container-width);
  margin: 0 auto;
  padding: 0 var(--container-padding);
  font-size: 22px;
  font-weight: 700;
  color: var(--color-text);
  margin-bottom: 12px;
}

.boundary-note p {
  max-width: var(--container-width);
  margin: 0 auto;
  padding: 0 var(--container-padding);
  font-size: 15px;
  line-height: 1.7;
  color: #5C4A1E;
}

/* --------------------------------------------------------------------------
   5. PAGES — 服务内容页
   -------------------------------------------------------------------------- */

.section-intro .intro-media {
  margin: 20px 0 28px;
}

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

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

.section-filter {
  margin-bottom: 32px;
}

.section-service-grid {
  margin-bottom: 40px;
}

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

/* 服务边界 */
.section-boundary {
  background-color: var(--color-bg-card);
  border: 1px solid var(--color-border);
  border-left: 4px solid var(--color-highlight);
  border-radius: var(--radius-md);
  padding: 28px 32px;
}

.section-boundary p {
  font-size: 15px;
  line-height: 1.7;
  color: var(--color-text-light);
  margin-bottom: 12px;
}

.section-boundary p:last-child {
  margin-bottom: 0;
}

/* --------------------------------------------------------------------------
   6. PAGES — 合作流程页
   -------------------------------------------------------------------------- */

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

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

/* 时间轴 */
.timeline-list {
  position: relative;
  padding-left: 20px;
}

.timeline-list::before {
  content: '';
  position: absolute;
  left: 0;
  top: 0;
  bottom: 0;
  width: 3px;
  background-color: var(--color-primary-light);
}

.timeline-card {
  position: relative;
  background-color: var(--color-bg-card);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  padding: 24px;
  margin-bottom: 20px;
  transition: box-shadow var(--transition-speed) ease;
}

.timeline-card:hover {
  box-shadow: 0 4px 16px rgba(42, 107, 124, 0.1);
}

.timeline-card .timeline-marker {
  position: absolute;
  left: -33px;
  top: 24px;
  background-color: var(--color-primary);
}

.timeline-title {
  font-size: 18px;
  font-weight: 600;
  color: var(--color-text);
  margin-bottom: 8px;
}

.timeline-desc {
  font-size: 15px;
  line-height: 1.7;
  color: var(--color-text-light);
  margin-bottom: 14px;
}

.timeline-meta {
  display: grid;
  gap: 6px;
  font-size: 14px;
}

.timeline-meta dt {
  display: inline;
  font-weight: 600;
  color: var(--color-primary);
}

.timeline-meta dd {
  display: inline;
  color: var(--color-text-light);
  margin-left: 4px;
}

/* 咨询区块 */
.section-consult {
  background-color: var(--color-primary-light);
  border-radius: var(--radius-md);
  padding: 32px;
  margin-top: 32px;
}

.section-consult .section-intro {
  margin-bottom: 16px;
}

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

/* 侧栏 */
.sidebar .sidebar-block {
  margin-bottom: 20px;
}

.checklist-item {
  display: flex;
  gap: 12px;
  padding: 12px 0;
  border-bottom: 1px solid var(--color-border);
}

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

.checklist-phase {
  flex-shrink: 0;
  display: inline-block;
  font-size: 12px;
  font-weight: 700;
  color: var(--color-accent-dark);
  background-color: #FDF0E3;
  border-radius: var(--radius-sm);
  padding: 2px 8px;
  height: fit-content;
}

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

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

.standard-list {
  display: grid;
  gap: 10px;
}

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

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

.standard-note {
  font-size: 13px;
  line-height: 1.6;
  color: var(--color-text-light);
  background-color: var(--color-bg);
  border-radius: var(--radius-sm);
  padding: 10px 14px;
  margin-top: 16px;
}

/* --------------------------------------------------------------------------
   7. PAGES — 常见问题页
   -------------------------------------------------------------------------- */

.page-layout {
  display: grid;
  grid-template-columns: 1fr 300px;
  gap: 40px;
  align-items: start;
}

.faq-list {
  min-width: 0;
}

.faq-list .faq-item {
  margin-bottom: 14px;
}

.faq-jump-links {
  background-color: var(--color-bg-card);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  padding: 24px;
  margin-top: 28px;
}

.faq-jump-links h3 {
  font-size: 17px;
  font-weight: 600;
  color: var(--color-text);
  margin-bottom: 10px;
}

.faq-jump-links p {
  font-size: 14px;
  color: var(--color-text-light);
  margin-bottom: 12px;
}

.faq-jump-links ul {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

.faq-jump-links li a {
  display: inline-block;
  font-size: 13px;
  background-color: var(--color-primary-light);
  color: var(--color-primary);
  border-radius: var(--radius-sm);
  padding: 6px 12px;
  transition: background-color var(--transition-speed) ease;
}

.faq-jump-links li a:hover {
  background-color: var(--color-primary);
  color: var(--color-white);
}

/* FAQ 筛选侧栏 */
.faq-filter {
  min-width: 0;
}

.filter-intro {
  font-size: 14px;
  color: var(--color-text-light);
  margin-bottom: 16px;
}

.filter-list {
  display: grid;
  gap: 4px;
}

.filter-list li {
  border-bottom: 1px solid var(--color-border);
}

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

.filter-list a {
  display: block;
  padding: 10px 12px;
  font-size: 15px;
  font-weight: 500;
  color: var(--color-text);
  border-radius: var(--radius-sm);
  transition: background-color var(--transition-speed) ease, color var(--transition-speed) ease;
}

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

.filter-desc {
  display: block;
  font-size: 13px;
  color: var(--color-text-light);
  padding: 0 12px 10px;
}

.filter-note {
  background-color: var(--color-bg);
  border-radius: var(--radius-sm);
  padding: 12px 14px;
  margin-top: 16px;
}

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

/* FAQ 补充说明 */
.faq-supplement {
  margin-top: 40px;
  background-color: var(--color-bg-card);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  padding: 28px 32px;
}

.faq-supplement h2 {
  font-size: 22px;
  font-weight: 700;
  color: var(--color-text);
  margin-bottom: 12px;
}

.faq-supplement p {
  font-size: 15px;
  color: var(--color-text-light);
  margin-bottom: 16px;
}

.faq-supplement ul {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-bottom: 16px;
}

.faq-supplement ul a {
  display: inline-block;
  font-size: 14px;
  background-color: var(--color-primary-light);
  color: var(--color-primary);
  border-radius: var(--radius-sm);
  padding: 6px 14px;
}

.faq-supplement ul a:hover {
  background-color: var(--color-primary);
  color: var(--color-white);
}

.supplement-note {
  font-size: 13px;
  color: var(--color-text-light);
  border-top: 1px solid var(--color-border);
  padding-top: 16px;
  margin-bottom: 0 !important;
}

/* --------------------------------------------------------------------------
   8. PAGES — 关于我们页
   -------------------------------------------------------------------------- */

.about-section {
  margin-bottom: 40px;
}

.about-intro-content {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 32px;
  align-items: center;
}

.about-media {
  margin: 0;
}

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

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

.intro-text p {
  font-size: 15px;
  line-height: 1.8;
  color: var(--color-text-light);
  margin-bottom: 14px;
}

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

/* 协作理念 */
.principle-list {
  display: grid;
  gap: 16px;
}

.principle-item {
  display: flex;
  gap: 20px;
  background-color: var(--color-bg-card);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  padding: 24px;
}

.route-number {
  flex-shrink: 0;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 44px;
  height: 44px;
  border-radius: 50%;
  background-color: var(--color-primary);
  color: var(--color-white);
  font-size: 16px;
  font-weight: 700;
}

.principle-content h3 {
  font-size: 18px;
  font-weight: 600;
  color: var(--color-text);
  margin-bottom: 8px;
}

.principle-content p {
  font-size: 15px;
  line-height: 1.7;
  color: var(--color-text-light);
}

/* 服务边界 */
.boundary-content {
  background-color: var(--color-highlight);
  border-radius: var(--radius-md);
  padding: 28px 32px;
}

.boundary-content p {
  font-size: 15px;
  line-height: 1.7;
  color: #5C4A1E;
  margin-bottom: 12px;
}

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

/* 团队协作 */
.teamwork-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 20px;
}

.teamwork-card {
  background-color: var(--color-bg-card);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  padding: 24px;
  transition: border-color var(--transition-speed) ease;
}

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

.teamwork-card h3 {
  font-size: 17px;
  font-weight: 600;
  color: var(--color-primary);
  margin-bottom: 10px;
}

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

.teamwork-note {
  font-size: 14px;
  color: var(--color-text-light);
  margin-top: 20px;
  padding: 16px 20px;
  background-color: var(--color-primary-light);
  border-radius: var(--radius-sm);
}

.teamwork-note a {
  font-weight: 600;
  color: var(--color-primary);
}

/* --------------------------------------------------------------------------
   9. PAGES — 客户指南页
   -------------------------------------------------------------------------- */

/* 左侧栏布局：侧栏在前，主内容在后 */
.sidebar-left {
  display: grid;
  grid-template-columns: 280px 1fr;
  gap: 40px;
  align-items: start;
}

.guide-toc {
  background-color: var(--color-bg-card);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  padding: 24px;
  position: sticky;
  top: 20px;
}

.toc-list {
  display: grid;
  gap: 4px;
}

.toc-list a {
  display: block;
  padding: 8px 12px;
  font-size: 14px;
  color: var(--color-text);
  border-left: 3px solid transparent;
  transition: border-color var(--transition-speed) ease, background-color var(--transition-speed) ease;
}

.toc-list a:hover {
  border-left-color: var(--color-accent);
  background-color: var(--color-bg);
  color: var(--color-primary);
}

.toc-note {
  margin-top: 16px;
  padding-top: 16px;
  border-top: 1px solid var(--color-border);
}

.toc-note p {
  font-size: 13px;
  line-height: 1.6;
  color: var(--color-text-light);
  margin-bottom: 8px;
}

.toc-note a {
  font-size: 13px;
  font-weight: 600;
  color: var(--color-primary);
}

/* 指南文章 */
.guide-articles {
  min-width: 0;
}

.guide-post {
  background-color: var(--color-bg-card);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  padding: 32px;
  margin-bottom: 24px;
}

.guide-post h2 {
  font-size: 22px;
  font-weight: 700;
  color: var(--color-text);
  margin-bottom: 14px;
}

.guide-post > p {
  font-size: 15px;
  line-height: 1.8;
  color: var(--color-text-light);
  margin-bottom: 14px;
}

.guide-figure {
  margin: 20px 0;
}

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

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

.guide-post .guide-list {
  display: grid;
  gap: 10px;
  margin: 16px 0;
  padding: 0;
  grid-template-columns: 1fr;
}

.guide-post .guide-list li {
  font-size: 15px;
  line-height: 1.7;
  color: var(--color-text);
  padding-left: 24px;
  position: relative;
}

.guide-post .guide-list li::before {
  content: '▸';
  position: absolute;
  left: 0;
  color: var(--color-accent);
  font-weight: 700;
}

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

.guide-tip {
  background-color: var(--color-primary-light);
  border-left: 4px solid var(--color-primary);
  border-radius: var(--radius-sm);
  padding: 16px 20px;
  margin: 20px 0;
}

.guide-tip p {
  font-size: 14px;
  line-height: 1.7;
  color: var(--color-primary-dark);
  margin: 0;
}

.guide-steps {
  display: grid;
  gap: 12px;
  margin: 16px 0;
  counter-reset: guide-step;
}

.guide-steps li {
  display: flex;
  align-items: flex-start;
  gap: 12px;
  font-size: 15px;
  line-height: 1.7;
  color: var(--color-text-light);
  counter-increment: guide-step;
}

.guide-steps li::before {
  content: counter(guide-step);
  flex-shrink: 0;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 28px;
  height: 28px;
  border-radius: 50%;
  background-color: var(--color-primary);
  color: var(--color-white);
  font-size: 13px;
  font-weight: 700;
}

.step-label {
  font-weight: 600;
  color: var(--color-text);
  margin-right: 4px;
}

/* 主题筛选 */
.topic-filter {
  background-color: var(--color-bg-card);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  padding: 24px;
  margin-bottom: 24px;
}

.topic-filter-title {
  font-size: 18px;
  font-weight: 700;
  color: var(--color-text);
  margin-bottom: 14px;
}

/* 精选阅读 */
.featured-reads {
  background-color: var(--color-bg-card);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  padding: 24px;
  margin-bottom: 24px;
}

.featured-title {
  font-size: 18px;
  font-weight: 700;
  color: var(--color-text);
  margin-bottom: 14px;
}

.featured-list {
  display: grid;
  gap: 6px;
}

.featured-list a {
  display: block;
  padding: 8px 12px;
  font-size: 14px;
  color: var(--color-text);
  border-radius: var(--radius-sm);
  transition: background-color var(--transition-speed) ease, color var(--transition-speed) ease;
}

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

/* 归档导航 */
.archive-nav {
  background-color: var(--color-bg-card);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  padding: 24px;
}

.archive-title {
  font-size: 18px;
  font-weight: 700;
  color: var(--color-text);
  margin-bottom: 16px;
}

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

.archive-group h3 {
  font-size: 15px;
  font-weight: 600;
  color: var(--color-primary);
  margin-bottom: 10px;
  padding-bottom: 6px;
  border-bottom: 2px solid var(--color-highlight);
}

.archive-group ul {
  display: grid;
  gap: 6px;
}

.archive-group ul a {
  font-size: 14px;
  color: var(--color-text-light);
  line-height: 1.5;
}

.archive-group ul a:hover {
  color: var(--color-primary);
}

/* --------------------------------------------------------------------------
   10. PAGES — 404 页
   -------------------------------------------------------------------------- */

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

.error-panel {
  text-align: center;
  max-width: 520px;
  background-color: var(--color-bg-card);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  padding: 48px 40px;
}

.error-code {
  font-size: 72px;
  font-weight: 700;
  line-height: 1;
  color: var(--color-primary);
  margin-bottom: 8px;
}

.error-panel h1 {
  font-size: 24px;
  font-weight: 700;
  color: var(--color-text);
  margin-bottom: 12px;
}

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

.error-back-btn {
  display: inline-block;
  background-color: var(--color-accent);
  color: var(--color-white);
  font-size: 16px;
  font-weight: 600;
  border-radius: var(--radius-sm);
  padding: 12px 32px;
  transition: background-color var(--transition-speed) ease;
}

.error-back-btn:hover {
  background-color: var(--color-accent-dark);
  color: var(--color-white);
}

.error-help {
  font-size: 14px;
  color: var(--color-text-light);
  margin-top: 20px;
}

.error-help a {
  font-weight: 600;
  color: var(--color-primary);
  margin: 0 6px;
}

/* --------------------------------------------------------------------------
   11. RESPONSIVE — 响应式适配
   -------------------------------------------------------------------------- */

@media (max-width: 1024px) {
  .hero {
    gap: 32px;
  }

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

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

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

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

  .layout-shell {
    grid-template-columns: 1fr 280px;
    gap: 28px;
  }

  .page-layout {
    grid-template-columns: 1fr 260px;
    gap: 28px;
  }

  .sidebar-left {
    grid-template-columns: 240px 1fr;
    gap: 28px;
  }
}

@media (max-width: 768px) {
  :root {
    --container-padding: 16px;
  }

  /* 导航切换 */
  .nav-toggle {
    display: inline-flex;
  }

  .nav-shell {
    flex-wrap: wrap;
    min-height: 56px;
    padding-top: 8px;
    padding-bottom: 8px;
  }

  .site-nav {
    flex-basis: 100%;
    order: 3;
  }

  .nav-list {
    display: none;
    flex-direction: column;
    align-items: stretch;
    width: 100%;
    padding: 8px 0;
    gap: 0;
  }

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

  .nav-list li {
    border-bottom: 1px solid var(--color-border);
  }

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

  .nav-list a {
    padding: 14px 8px;
    font-size: 16px;
  }

  .nav-list a::after {
    display: none;
  }

  /* 页脚 */
  .site-footer .container-footer {
    grid-template-columns: 1fr;
    gap: 24px;
  }

  .footer-bottom {
    padding: 16px;
  }

  /* 首页 */
  .hero {
    grid-template-columns: 1fr;
    padding: 32px 16px 24px;
    gap: 24px;
  }

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

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

  .services-overview {
    padding: 32px 16px;
  }

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

  .process-preview {
    padding: 32px 0;
  }

  .timeline-preview {
    grid-template-columns: 1fr;
    padding: 8px 16px 16px;
  }

  .process-preview > .text-link {
    margin-left: 16px;
  }

  .scenarios {
    padding: 32px 16px;
  }

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

  .guide-featured {
    padding: 32px 0;
  }

  .guide-list {
    grid-template-columns: 1fr;
    padding: 0 16px;
    gap: 16px;
  }

  .faq-preview {
    padding: 32px 16px;
  }

  .boundary-note {
    padding: 28px 0;
  }

  /* 内页通用 */
  .inner-main {
    padding: 0 16px 48px;
  }

  .page-header {
    padding: 8px 0 20px;
  }

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

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

  .section-boundary {
    padding: 20px;
  }

  /* 流程页 */
  .layout-shell {
    grid-template-columns: 1fr;
    gap: 0;
  }

  .timeline-list {
    padding-left: 16px;
    margin-bottom: 32px;
  }

  .timeline-card .timeline-marker {
    left: -29px;
  }

  .section-consult {
    padding: 24px;
  }

  .sidebar {
    margin-top: 8px;
  }

  /* FAQ 页 */
  .page-layout {
    grid-template-columns: 1fr;
    gap: 0;
  }

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

  .faq-jump-links {
    padding: 20px;
  }

  .faq-supplement {
    padding: 20px;
  }

  /* 关于页 */
  .about-intro-content {
    grid-template-columns: 1fr;
    gap: 20px;
  }

  .about-media img {
    height: 200px;
  }

  .principle-item {
    padding: 20px;
    gap: 14px;
  }

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

  .boundary-content {
    padding: 20px;
  }

  /* 指南页 */
  .sidebar-left {
    grid-template-columns: 1fr;
    gap: 0;
  }

  .guide-toc {
    position: static;
    margin-bottom: 24px;
  }

  .guide-post {
    padding: 24px 20px;
  }

  .guide-figure img {
    height: 180px;
  }

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

  /* 404 */
  .error-panel {
    padding: 36px 24px;
  }

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

@media (max-width: 390px) {
  .hero-copy h1 {
    font-size: 24px;
  }

  .scenario-item {
    padding: 24px 20px;
  }

  .service-card {
    padding: 20px;
  }

  .guide-post {
    padding: 20px 16px;
  }

  .timeline-card {
    padding: 18px;
  }

  .section-consult {
    padding: 20px 16px;
  }

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

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

  .error-panel {
    padding: 28px 16px;
  }
}