/* =========================================================
   718黑料 · 整站样式表
   明亮通透的酒店式商务风格
   ========================================================= */

/* =========================================================
   1. Base — 变量、重置、全局基础
   ========================================================= */

:root {
  --color-bg: #FAF8F4;
  --color-text: #26241F;
  --color-primary: #9A7B54;
  --color-accent: #C99B5B;
  --color-dark: #201E1A;
  --color-footer-bg: #F1EDE6;
  --color-border: #E5DFD5;
  --color-white: #FFFFFF;
  --color-muted: #6B655C;

  --font-sans: "PingFang SC", "Microsoft YaHei", "Helvetica Neue", Arial, sans-serif;
  --font-num: "Inter", "Segoe UI", "PingFang SC", "Microsoft YaHei", sans-serif;

  --container-width: 1200px;
  --container-padding: 20px;
  --radius-sm: 4px;
  --radius-md: 6px;
  --radius-lg: 8px;

  --shadow-card: 0 2px 8px rgba(32, 30, 26, 0.06);
  --shadow-hover: 0 6px 18px rgba(32, 30, 26, 0.10);

  --space-xs: 8px;
  --space-sm: 16px;
  --space-md: 24px;
  --space-lg: 40px;
  --space-xl: 64px;
}

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

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

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

img {
  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,
ol {
  list-style: none;
}

h1,
h2,
h3,
h4 {
  font-weight: 700;
  line-height: 1.4;
  color: var(--color-dark);
}

h1 {
  font-size: 36px;
}

h2 {
  font-size: 26px;
}

h3 {
  font-size: 19px;
}

p {
  margin-bottom: 16px;
}

/* =========================================================
   2. Layout — 全站骨架、容器、网格
   ========================================================= */

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

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

.site-inner {
  width: 100%;
  background-color: var(--color-bg);
}

.container {
  width: 100%;
  max-width: var(--container-width);
  margin: 0 auto;
  padding-left: var(--container-padding);
  padding-right: var(--container-padding);
}

/* 内页通用两栏布局 */
.page-layout,
.layout-shell {
  width: 100%;
  max-width: var(--container-width);
  margin: 0 auto;
  padding-left: var(--container-padding);
  padding-right: var(--container-padding);
  display: grid;
  grid-template-columns: minmax(0, 2fr) minmax(280px, 1fr);
  gap: 40px;
  align-items: start;
}

.page-layout .primary,
.layout-shell .primary,
.page-layout .primary-content,
.layout-shell .primary-content {
  min-width: 0;
  min-height: 200px;
}

.page-layout .aside,
.layout-shell .aside,
.page-layout .sidebar,
.layout-shell .sidebar {
  min-width: 0;
}

/* =========================================================
   3. Header — 全站统一页头
   ========================================================= */

.site-header {
  background-color: var(--color-dark);
  border-bottom: 3px solid var(--color-primary);
  position: relative;
  z-index: 100;
}

.header-inner {
  max-width: var(--container-width);
  margin: 0 auto;
  padding: 0 var(--container-padding);
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  min-height: 64px;
}

.brand {
  display: inline-flex;
  align-items: center;
  flex-shrink: 0;
}

.brand-name {
  font-size: 22px;
  font-weight: 700;
  color: var(--color-white);
  letter-spacing: 0.5px;
}

.brand-name::after {
  content: "";
  display: inline-block;
  width: 4px;
  height: 4px;
  border-radius: 50%;
  background: var(--color-accent);
  margin-left: 4px;
  vertical-align: middle;
}

.main-nav.site-nav {
  display: flex;
  align-items: center;
  flex: 1;
  justify-content: center;
}

.nav-list {
  display: flex;
  align-items: center;
  gap: 4px;
  margin: 0;
  padding: 0;
  list-style: none;
}

.nav-list li {
  margin: 0;
}

.nav-link {
  display: block;
  padding: 8px 16px;
  font-size: 15px;
  color: rgba(255, 255, 255, 0.85);
  border-radius: var(--radius-sm);
  transition: background-color 0.2s ease, color 0.2s ease;
}

.nav-link:hover {
  color: var(--color-white);
  background-color: rgba(255, 255, 255, 0.08);
}

.nav-link.is-current {
  color: var(--color-white);
  background-color: rgba(201, 155, 91, 0.25);
  font-weight: 600;
}

.version-badge {
  flex-shrink: 0;
  font-size: 12px;
  color: rgba(255, 255, 255, 0.5);
  border: 1px solid rgba(255, 255, 255, 0.2);
  border-radius: 999px;
  padding: 2px 10px;
  font-family: var(--font-num);
  white-space: nowrap;
}

.nav-toggle {
  display: none;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  gap: 5px;
  width: 44px;
  height: 44px;
  border: none;
  background: transparent;
  cursor: pointer;
  padding: 8px;
  border-radius: var(--radius-sm);
}

.nav-toggle:hover {
  background-color: rgba(255, 255, 255, 0.08);
}

.toggle-bar {
  display: block;
  width: 22px;
  height: 2px;
  background-color: var(--color-white);
  border-radius: 2px;
  transition: transform 0.25s ease, opacity 0.25s ease;
}

/* =========================================================
   4. Breadcrumb & Page Title — 内页统一骨架
   ========================================================= */

.breadcrumb {
  max-width: var(--container-width);
  margin: 0 auto;
  padding: 20px var(--container-padding) 0;
  font-size: 14px;
  color: var(--color-muted);
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 6px;
}

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

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

.breadcrumb-sep {
  color: #B8B0A4;
  margin: 0 2px;
}

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

.page-header {
  max-width: var(--container-width);
  margin: 0 auto;
  padding: 28px var(--container-padding) 8px;
}

.page-header .page-title {
  font-size: 34px;
  color: var(--color-dark);
  margin-bottom: 8px;
}

.page-title {
  max-width: var(--container-width);
  margin: 0 auto;
  padding-left: var(--container-padding);
  padding-right: var(--container-padding);
  padding-bottom: 24px;
}

.page-title p {
  font-size: 16px;
  color: var(--color-muted);
  margin-bottom: 0;
  max-width: 720px;
}

/* =========================================================
   5. Footer — 全站统一页脚
   ========================================================= */

.site-footer {
  background-color: var(--color-footer-bg);
  border-top: 1px solid var(--color-border);
  margin-top: 64px;
}

.footer-inner {
  max-width: var(--container-width);
  margin: 0 auto;
  padding: 48px var(--container-padding) 32px;
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 32px;
}

.footer-col h3 {
  font-size: 16px;
  font-weight: 600;
  color: var(--color-dark);
  margin-bottom: 12px;
  padding-bottom: 8px;
  border-bottom: 1px solid var(--color-border);
}

.footer-col p {
  font-size: 14px;
  color: var(--color-muted);
  line-height: 1.7;
  margin-bottom: 0;
}

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

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

/* =========================================================
   6. Components — 通用组件
   ========================================================= */

/* 按钮 */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 10px 24px;
  font-size: 15px;
  font-weight: 600;
  border-radius: var(--radius-md);
  border: 1px solid transparent;
  cursor: pointer;
  transition: background-color 0.2s ease, border-color 0.2s ease, color 0.2s ease;
  min-height: 44px;
}

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

.btn-primary:hover {
  background-color: #866A47;
  color: var(--color-white);
}

.btn-secondary {
  background-color: transparent;
  border-color: rgba(255, 255, 255, 0.5);
  color: var(--color-white);
}

.btn-secondary:hover {
  background-color: rgba(255, 255, 255, 0.1);
  border-color: var(--color-white);
  color: var(--color-white);
}

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

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

/* 文字链接 */
.text-link {
  display: inline-flex;
  align-items: center;
  gap: 4px;
  font-size: 15px;
  font-weight: 600;
  color: var(--color-primary);
}

.text-link::after {
  content: "→";
  transition: transform 0.2s ease;
}

.text-link:hover::after {
  transform: translateX(3px);
}

/* 侧栏通用 */
.aside {
  display: flex;
  flex-direction: column;
  gap: 24px;
}

.aside-card,
.aside-block,
.aside-module,
.sidebar-card {
  background-color: var(--color-white);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: 24px;
  box-shadow: var(--shadow-card);
}

.aside-card h3,
.aside-block h2,
.aside-module h2,
.sidebar-card h2,
.sidebar h2 {
  font-size: 18px;
  font-weight: 600;
  color: var(--color-dark);
  margin-bottom: 12px;
  padding-bottom: 8px;
  border-bottom: 1px solid var(--color-border);
}

.aside-card p {
  font-size: 14px;
  color: var(--color-muted);
  margin-bottom: 16px;
}

.aside-card .btn {
  width: 100%;
}

/* 侧栏相关链接列表 */
.related-links ul,
.aside-links,
.sidebar-links {
  display: flex;
  flex-direction: column;
  gap: 0;
}

.related-links li,
.aside-links li,
.sidebar-links li {
  border-bottom: 1px solid var(--color-border);
}

.related-links li:last-child,
.aside-links li:last-child,
.sidebar-links li:last-child {
  border-bottom: none;
}

.related-links a,
.aside-links a,
.sidebar-links a {
  display: block;
  padding: 10px 0;
  font-size: 14px;
  color: var(--color-text);
}

.related-links a:hover,
.aside-links a:hover,
.sidebar-links a:hover {
  color: var(--color-primary);
  padding-left: 6px;
}

/* 标签列表 */
.tag-list {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

.tag-list li {
  margin: 0;
}

.tag-list a,
.tag-list .tag {
  display: inline-block;
  padding: 6px 14px;
  font-size: 13px;
  background-color: var(--color-bg);
  border: 1px solid var(--color-border);
  border-radius: 999px;
  color: var(--color-muted);
  transition: background-color 0.2s ease, color 0.2s ease, border-color 0.2s ease;
}

.tag-list a:hover {
  background-color: var(--color-primary);
  border-color: var(--color-primary);
  color: var(--color-white);
}

/* 图片容器 */
figure {
  margin: 0;
}

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

figcaption {
  font-size: 13px;
  color: var(--color-muted);
  padding-top: 8px;
  text-align: left;
}

/* =========================================================
   7. Homepage — 首页专属布局
   ========================================================= */

/* Hero */
.hero {
  background-color: var(--color-dark);
  color: var(--color-white);
}

.hero-content {
  max-width: var(--container-width);
  margin: 0 auto;
  padding: 72px var(--container-padding) 48px;
  display: grid;
  grid-template-columns: 1.1fr 0.9fr;
  gap: 48px;
  align-items: center;
}

.hero-content h1 {
  font-size: 38px;
  color: var(--color-white);
  margin-bottom: 20px;
  line-height: 1.3;
}

.hero-lead {
  font-size: 17px;
  color: rgba(255, 255, 255, 0.85);
  line-height: 1.75;
  margin-bottom: 28px;
  max-width: 520px;
}

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

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

.hero-figure {
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: 0 8px 30px rgba(0, 0, 0, 0.3);
}

.hero-figure img {
  width: 100%;
  height: 320px;
  object-fit: cover;
  display: block;
}

/* 服务目录 */
.service-catalog {
  max-width: var(--container-width);
  margin: 0 auto;
  padding: 64px var(--container-padding) 40px;
}

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

.section-head h2 {
  font-size: 26px;
  color: var(--color-dark);
  margin-bottom: 8px;
}

.section-desc {
  font-size: 15px;
  color: var(--color-muted);
  max-width: 640px;
}

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

.catalog-card {
  display: flex;
  flex-direction: column;
  background-color: var(--color-white);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: 28px 24px;
  box-shadow: var(--shadow-card);
  transition: transform 0.2s ease, box-shadow 0.2s ease;
}

.catalog-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-hover);
}

.card-icon {
  font-size: 28px;
  line-height: 1;
  margin-bottom: 16px;
  color: var(--color-primary);
}

.catalog-card h3 {
  font-size: 18px;
  font-weight: 600;
  color: var(--color-dark);
  margin-bottom: 8px;
}

.catalog-card p {
  font-size: 14px;
  color: var(--color-muted);
  margin-bottom: 0;
  flex: 1;
}

/* 不对称双栏 */
.split-section {
  max-width: var(--container-width);
  margin: 0 auto;
  padding: 40px var(--container-padding);
  display: grid;
  grid-template-columns: 2fr 1fr;
  gap: 40px;
  align-items: start;
}

.split-section .primary {
  min-width: 0;
}

.split-section .primary .section-head {
  margin-bottom: 24px;
}

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

.split-section .scenario-list {
  grid-template-columns: 1fr;
  gap: 16px;
}

.scenario-card {
  background-color: var(--color-white);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: var(--shadow-card);
  transition: transform 0.2s ease, box-shadow 0.2s ease;
}

.scenario-card:hover {
  transform: translateY(-3px);
  box-shadow: var(--shadow-hover);
}

.scenario-card figure {
  overflow: hidden;
}

.scenario-card figure img {
  width: 100%;
  height: 180px;
  object-fit: cover;
}

.split-section .scenario-card figure img {
  height: 140px;
}

.scenario-body {
  padding: 20px;
}

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

.scenario-body p {
  font-size: 14px;
  color: var(--color-muted);
  margin-bottom: 12px;
}

/* 流程预览 */
.process-preview {
  background-color: var(--color-white);
  border-top: 1px solid var(--color-border);
  border-bottom: 1px solid var(--color-border);
}

.process-preview .section-head {
  max-width: var(--container-width);
  margin: 0 auto;
  padding: 48px var(--container-padding) 24px;
}

.timeline-row {
  max-width: var(--container-width);
  margin: 0 auto;
  padding: 0 var(--container-padding) 32px;
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 20px;
}

.timeline-item {
  position: relative;
  padding: 20px;
  background-color: var(--color-bg);
  border-radius: var(--radius-lg);
  border-left: 3px solid var(--color-primary);
}

.step-num {
  display: inline-block;
  font-family: var(--font-num);
  font-size: 13px;
  font-weight: 700;
  color: var(--color-primary);
  background-color: rgba(154, 123, 84, 0.1);
  border-radius: 999px;
  padding: 2px 12px;
  margin-bottom: 10px;
}

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

.timeline-item p {
  font-size: 13px;
  color: var(--color-muted);
  margin-bottom: 0;
  line-height: 1.6;
}

.process-link-wrap {
  max-width: var(--container-width);
  margin: 0 auto;
  padding: 0 var(--container-padding) 48px;
  text-align: center;
}

/* 洞察摘要 */
.insights-summary {
  max-width: var(--container-width);
  margin: 0 auto;
  padding: 48px var(--container-padding);
}

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

.insight-item {
  background-color: var(--color-white);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: 24px;
  box-shadow: var(--shadow-card);
}

.insight-item h3 {
  font-size: 16px;
  font-weight: 600;
  margin-bottom: 8px;
}

.insight-item h3 a {
  color: var(--color-dark);
}

.insight-item h3 a:hover {
  color: var(--color-primary);
}

.insight-item p {
  font-size: 14px;
  color: var(--color-muted);
  margin-bottom: 0;
}

.insights-footer {
  margin-top: 24px;
  text-align: center;
}

/* 合作入口 */
.cooperation-entry {
  background-color: var(--color-dark);
  color: var(--color-white);
}

.cooperation-inner {
  max-width: var(--container-width);
  margin: 0 auto;
  padding: 56px var(--container-padding);
  text-align: center;
}

.cooperation-inner h2 {
  font-size: 26px;
  color: var(--color-white);
  margin-bottom: 12px;
}

.cooperation-inner p {
  font-size: 15px;
  color: rgba(255, 255, 255, 0.8);
  max-width: 560px;
  margin: 0 auto 28px;
}

.cooperation-links {
  display: flex;
  gap: 16px;
  justify-content: center;
  flex-wrap: wrap;
}

/* 首页底部相关链接 */
.related-links {
  max-width: var(--container-width);
  margin: 0 auto;
  padding: 24px var(--container-padding);
  display: flex;
  align-items: center;
  gap: 16px;
  flex-wrap: wrap;
}

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

.related-links-item {
  font-size: 14px;
  color: var(--color-primary);
  padding: 4px 12px;
  border: 1px solid var(--color-border);
  border-radius: 999px;
  transition: border-color 0.2s ease, background-color 0.2s ease;
}

.related-links-item:hover {
  border-color: var(--color-primary);
  background-color: rgba(154, 123, 84, 0.05);
}

/* =========================================================
   8. Inner Pages — 内页业务模块
   ========================================================= */

/* -------- company.html -------- */

.company-intro {
  background-color: var(--color-white);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: 32px;
  margin-bottom: 32px;
  box-shadow: var(--shadow-card);
}

.company-intro h2 {
  font-size: 22px;
  margin-bottom: 16px;
}

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

.intro-image {
  margin-top: 24px;
  border-radius: var(--radius-md);
  overflow: hidden;
}

.intro-image img {
  width: 100%;
  height: 240px;
  object-fit: cover;
}

.business-boundary {
  margin-bottom: 32px;
}

.business-boundary h2 {
  font-size: 22px;
  margin-bottom: 8px;
}

.business-boundary > p {
  font-size: 15px;
  color: var(--color-muted);
  margin-bottom: 20px;
}

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

.boundary-col {
  background-color: var(--color-white);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: 24px;
  box-shadow: var(--shadow-card);
}

.boundary-col h3 {
  font-size: 17px;
  font-weight: 600;
  margin-bottom: 12px;
  padding-bottom: 8px;
  border-bottom: 1px solid var(--color-border);
}

.boundary-col ul {
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.boundary-col li {
  position: relative;
  padding-left: 18px;
  font-size: 14px;
  color: var(--color-text);
  line-height: 1.6;
}

.boundary-col li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 10px;
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background-color: var(--color-primary);
}

.service-principles {
  background-color: var(--color-white);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: 32px;
  box-shadow: var(--shadow-card);
}

.service-principles h2 {
  font-size: 22px;
  margin-bottom: 8px;
}

.service-principles > p {
  font-size: 15px;
  color: var(--color-muted);
  margin-bottom: 20px;
}

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

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

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

.principle-card p {
  font-size: 14px;
  color: var(--color-muted);
  margin-bottom: 0;
  line-height: 1.7;
}

/* -------- technology.html -------- */

.direction-directory {
  background-color: var(--color-white);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: 28px;
  margin-bottom: 32px;
  box-shadow: var(--shadow-card);
}

.direction-directory h2 {
  font-size: 22px;
  margin-bottom: 16px;
}

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

.directory-list li {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  padding: 12px 16px;
  background-color: var(--color-bg);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
}

.directory-list a {
  font-size: 15px;
  font-weight: 600;
  color: var(--color-dark);
}

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

.directory-list span {
  font-size: 13px;
  color: var(--color-muted);
  text-align: right;
}

.direction-detail {
  background-color: var(--color-white);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: 32px;
  margin-bottom: 24px;
  box-shadow: var(--shadow-card);
}

.direction-detail h2 {
  font-size: 22px;
  margin-bottom: 16px;
  padding-bottom: 12px;
  border-bottom: 1px solid var(--color-border);
}

.direction-figure {
  margin-bottom: 24px;
  border-radius: var(--radius-md);
  overflow: hidden;
}

.direction-figure img {
  width: 100%;
  height: 220px;
  object-fit: cover;
}

.direction-content h3 {
  font-size: 16px;
  font-weight: 600;
  color: var(--color-primary);
  margin-bottom: 8px;
  margin-top: 20px;
}

.direction-content h3:first-child {
  margin-top: 0;
}

.direction-content p {
  font-size: 15px;
  color: var(--color-text);
  line-height: 1.75;
  margin-bottom: 12px;
}

.direction-content ul {
  display: flex;
  flex-direction: column;
  gap: 6px;
  margin-bottom: 12px;
}

.direction-content li {
  position: relative;
  padding-left: 18px;
  font-size: 14px;
  color: var(--color-text);
  line-height: 1.6;
}

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

.next-step {
  background-color: var(--color-white);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: 28px;
  margin-top: 8px;
  box-shadow: var(--shadow-card);
}

.next-step h2 {
  font-size: 20px;
  margin-bottom: 8px;
}

.next-step p {
  font-size: 15px;
  color: var(--color-muted);
  margin-bottom: 16px;
}

.next-step a {
  margin-right: 12px;
  margin-bottom: 8px;
  display: inline-block;
}

/* -------- scenarios.html -------- */

.scenario-list[aria-label="场景列表"] {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 20px;
  margin-bottom: 40px;
}

.scenario-list .scenario-card {
  overflow: hidden;
}

.scenario-image {
  width: 100%;
  height: 160px;
  object-fit: cover;
}

.scenario-card-body {
  padding: 20px;
}

.scenario-card-body h2 {
  font-size: 18px;
  font-weight: 600;
  color: var(--color-dark);
  margin-bottom: 8px;
}

.scenario-card-body p {
  font-size: 14px;
  color: var(--color-muted);
  margin-bottom: 12px;
}

.scenario-detail {
  display: flex;
  flex-direction: column;
  gap: 24px;
  margin-bottom: 32px;
}

.scenario-detail-block {
  background-color: var(--color-white);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: 32px;
  box-shadow: var(--shadow-card);
}

.scenario-detail-block h2 {
  font-size: 22px;
  margin-bottom: 16px;
  padding-bottom: 12px;
  border-bottom: 1px solid var(--color-border);
}

.scenario-detail-block h3 {
  font-size: 16px;
  font-weight: 600;
  color: var(--color-primary);
  margin-bottom: 8px;
  margin-top: 20px;
}

.scenario-detail-block h3:first-of-type {
  margin-top: 0;
}

.scenario-detail-block ul {
  display: flex;
  flex-direction: column;
  gap: 6px;
  margin-bottom: 16px;
}

.scenario-detail-block li {
  position: relative;
  padding-left: 18px;
  font-size: 14px;
  color: var(--color-text);
  line-height: 1.6;
}

.scenario-detail-block li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 10px;
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background-color: var(--color-accent);
}

.scenario-detail-block p {
  font-size: 15px;
  color: var(--color-text);
  line-height: 1.75;
  margin-bottom: 12px;
}

.scenario-detail-block p a {
  margin-right: 16px;
  font-weight: 600;
}

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

/* -------- process.html -------- */

.timeline-section {
  background-color: var(--color-white);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: 32px;
  margin-bottom: 24px;
  box-shadow: var(--shadow-card);
}

.timeline-section h2 {
  font-size: 22px;
  margin-bottom: 8px;
}

.timeline-section > p {
  font-size: 15px;
  color: var(--color-muted);
  margin-bottom: 24px;
}

.timeline {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 16px;
}

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

.timeline-marker {
  display: inline-block;
  width: 32px;
  height: 32px;
  border-radius: 50%;
  background-color: var(--color-primary);
  color: var(--color-white);
  font-family: var(--font-num);
  font-size: 14px;
  font-weight: 700;
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 12px;
}

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

.timeline-content p {
  font-size: 13px;
  color: var(--color-muted);
  margin-bottom: 0;
  line-height: 1.6;
}

.stage-details-section {
  margin-bottom: 24px;
}

.stage-details-section h2 {
  font-size: 22px;
  margin-bottom: 20px;
}

.stage-block {
  background-color: var(--color-white);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: 28px;
  margin-bottom: 16px;
  box-shadow: var(--shadow-card);
}

.stage-block h3 {
  font-size: 18px;
  font-weight: 600;
  color: var(--color-primary);
  margin-bottom: 16px;
  padding-bottom: 8px;
  border-bottom: 1px solid var(--color-border);
}

.stage-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 16px;
}

.stage-cell {
  background-color: var(--color-bg);
  border-radius: var(--radius-md);
  padding: 16px;
}

.stage-cell h4 {
  font-size: 14px;
  font-weight: 600;
  color: var(--color-dark);
  margin-bottom: 6px;
}

.stage-cell p {
  font-size: 13px;
  color: var(--color-muted);
  margin-bottom: 0;
  line-height: 1.6;
}

.project-media-section {
  background-color: var(--color-white);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: 32px;
  margin-bottom: 24px;
  box-shadow: var(--shadow-card);
}

.project-media-section h2 {
  font-size: 22px;
  margin-bottom: 8px;
}

.project-media-section > p {
  font-size: 15px;
  color: var(--color-muted);
  margin-bottom: 20px;
}

.project-media {
  border-radius: var(--radius-md);
  overflow: hidden;
}

.project-media img {
  width: 100%;
  height: 260px;
  object-fit: cover;
}

.communication-section {
  background-color: var(--color-white);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: 32px;
  box-shadow: var(--shadow-card);
}

.communication-section h2 {
  font-size: 22px;
  margin-bottom: 8px;
}

.communication-section > p {
  font-size: 15px;
  color: var(--color-muted);
  margin-bottom: 20px;
}

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

.communication-list li {
  position: relative;
  padding-left: 20px;
  font-size: 15px;
  color: var(--color-text);
  line-height: 1.7;
}

.communication-list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 10px;
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background-color: var(--color-primary);
}

.sidebar-note {
  background-color: var(--color-bg);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  padding: 20px;
  margin-top: 20px;
}

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

.sidebar-note p {
  font-size: 14px;
  color: var(--color-muted);
  margin-bottom: 12px;
}

.sidebar-note a {
  font-size: 14px;
  font-weight: 600;
}

/* -------- safety.html -------- */

.standard-summary {
  background-color: var(--color-white);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: 32px;
  margin-bottom: 24px;
  box-shadow: var(--shadow-card);
}

.standard-summary h2 {
  font-size: 22px;
  margin-bottom: 16px;
}

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

.media-figure {
  margin-top: 16px;
  border-radius: var(--radius-md);
  overflow: hidden;
}

.media-figure img {
  width: 100%;
  height: 220px;
  object-fit: cover;
}

.scope-of-application {
  background-color: var(--color-white);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: 32px;
  margin-bottom: 24px;
  box-shadow: var(--shadow-card);
}

.scope-of-application h2 {
  font-size: 22px;
  margin-bottom: 8px;
}

.scope-of-application > p {
  font-size: 15px;
  color: var(--color-muted);
  margin-bottom: 20px;
}

.scope-list {
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.scope-list li {
  position: relative;
  padding-left: 20px;
  font-size: 15px;
  color: var(--color-text);
  line-height: 1.6;
}

.scope-list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 10px;
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background-color: var(--color-primary);
}

.standard-body {
  background-color: var(--color-white);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: 32px;
  box-shadow: var(--shadow-card);
}

.standard-body h2 {
  font-size: 22px;
  margin-bottom: 20px;
  padding-bottom: 12px;
  border-bottom: 1px solid var(--color-border);
}

.standard-section {
  padding: 20px 0;
  border-bottom: 1px solid var(--color-border);
}

.standard-section:first-of-type {
  padding-top: 0;
}

.standard-section:last-of-type {
  border-bottom: none;
  padding-bottom: 0;
}

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

.standard-section p {
  font-size: 15px;
  color: var(--color-text);
  line-height: 1.75;
  margin-bottom: 0;
}

/* -------- insights.html -------- */

.article-list {
  display: flex;
  flex-direction: column;
  gap: 20px;
}

.article-list h2 {
  font-size: 22px;
  margin-bottom: 4px;
}

.article-card {
  display: grid;
  grid-template-columns: 200px 1fr;
  gap: 20px;
  background-color: var(--color-white);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: 20px;
  box-shadow: var(--shadow-card);
  transition: box-shadow 0.2s ease;
}

.article-card:hover {
  box-shadow: var(--shadow-hover);
}

.article-media {
  border-radius: var(--radius-md);
  overflow: hidden;
}

.article-media img {
  width: 100%;
  height: 140px;
  object-fit: cover;
}

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

.article-content h3 {
  font-size: 18px;
  font-weight: 600;
  color: var(--color-dark);
  margin-bottom: 6px;
}

.article-content h3 a {
  color: var(--color-dark);
}

.article-content h3 a:hover {
  color: var(--color-primary);
}

.article-meta {
  font-size: 13px;
  color: var(--color-muted);
  margin-bottom: 8px;
  font-family: var(--font-num);
}

.article-content p {
  font-size: 14px;
  color: var(--color-muted);
  line-height: 1.7;
  margin-bottom: 10px;
}

.article-content a {
  font-size: 14px;
  font-weight: 600;
}

.recommended-reading {
  margin-top: 40px;
  background-color: var(--color-white);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: 28px;
  box-shadow: var(--shadow-card);
}

.recommended-reading h2 {
  font-size: 20px;
  margin-bottom: 16px;
}

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

.recommended-list li {
  background-color: var(--color-bg);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  padding: 16px;
}

.recommended-list a {
  font-size: 15px;
  font-weight: 600;
  color: var(--color-dark);
  display: block;
  margin-bottom: 6px;
}

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

.recommended-list p {
  font-size: 13px;
  color: var(--color-muted);
  margin-bottom: 0;
  line-height: 1.6;
}

.category-tags {
  background-color: var(--color-white);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: 24px;
  margin-bottom: 24px;
  box-shadow: var(--shadow-card);
}

.category-tags h2 {
  font-size: 18px;
  font-weight: 600;
  margin-bottom: 16px;
  padding-bottom: 8px;
  border-bottom: 1px solid var(--color-border);
}

/* -------- contact.html -------- */

.how-to-start {
  background-color: var(--color-white);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: 32px;
  margin-bottom: 24px;
  box-shadow: var(--shadow-card);
}

.how-to-start h2 {
  font-size: 22px;
  margin-bottom: 16px;
}

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

.how-to-start p a {
  font-weight: 600;
}

.contact-figure {
  margin-top: 20px;
  border-radius: var(--radius-md);
  overflow: hidden;
}

.contact-figure img {
  width: 100%;
  height: 220px;
  object-fit: cover;
}

.preparation {
  background-color: var(--color-white);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: 32px;
  margin-bottom: 24px;
  box-shadow: var(--shadow-card);
}

.preparation h2 {
  font-size: 22px;
  margin-bottom: 8px;
}

.preparation > p {
  font-size: 15px;
  color: var(--color-muted);
  margin-bottom: 20px;
}

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

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

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

.preparation-list p {
  font-size: 14px;
  color: var(--color-muted);
  margin-bottom: 0;
  line-height: 1.7;
}

.faq-section {
  background-color: var(--color-white);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: 32px;
  margin-bottom: 24px;
  box-shadow: var(--shadow-card);
}

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

.faq-item {
  border-bottom: 1px solid var(--color-border);
}

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

.faq-item summary {
  padding: 16px 0;
  font-size: 16px;
  font-weight: 600;
  color: var(--color-dark);
  cursor: pointer;
  list-style: none;
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 12px;
  transition: color 0.2s ease;
}

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

.faq-item summary::after {
  content: "+";
  font-size: 20px;
  font-weight: 400;
  color: var(--color-primary);
  flex-shrink: 0;
  transition: transform 0.2s ease;
}

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

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

.faq-item p {
  padding: 0 0 16px;
  font-size: 15px;
  color: var(--color-muted);
  line-height: 1.75;
  margin-bottom: 0;
}

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

.next-step {
  background-color: var(--color-white);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: 28px;
  box-shadow: var(--shadow-card);
}

.next-step h2 {
  font-size: 20px;
  margin-bottom: 8px;
}

.next-step p {
  font-size: 15px;
  color: var(--color-muted);
  margin-bottom: 12px;
}

.next-step a {
  margin-right: 12px;
  margin-bottom: 8px;
  display: inline-block;
}

/* =========================================================
   9. 404 Page
   ========================================================= */

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

.error-panel {
  max-width: 560px;
  width: 100%;
  text-align: center;
  background-color: var(--color-white);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: 48px 32px;
  box-shadow: var(--shadow-card);
}

.error-code {
  font-family: var(--font-num);
  font-size: 72px;
  font-weight: 700;
  color: var(--color-primary);
  line-height: 1;
  margin-bottom: 16px;
}

.error-panel h1 {
  font-size: 24px;
  margin-bottom: 12px;
}

.error-desc {
  font-size: 15px;
  color: var(--color-muted);
  margin-bottom: 24px;
}

.error-home {
  display: inline-block;
  padding: 10px 28px;
  background-color: var(--color-primary);
  color: var(--color-white);
  border-radius: var(--radius-md);
  font-size: 15px;
  font-weight: 600;
  margin-bottom: 24px;
  transition: background-color 0.2s ease;
}

.error-home:hover {
  background-color: #866A47;
  color: var(--color-white);
}

.error-links {
  border-top: 1px solid var(--color-border);
  padding-top: 20px;
}

.error-links p {
  font-size: 14px;
  color: var(--color-muted);
  margin-bottom: 12px;
}

.error-links ul {
  display: flex;
  justify-content: center;
  gap: 24px;
  flex-wrap: wrap;
}

.error-links a {
  font-size: 14px;
  font-weight: 500;
}

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

/* 平板 */
@media (max-width: 1024px) {
  .catalog-grid {
    grid-template-columns: repeat(2, 1fr);
  }

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

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

  .page-layout,
  .layout-shell {
    gap: 24px;
  }
}

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

  h1 {
    font-size: 28px;
  }

  h2 {
    font-size: 22px;
  }

  /* 页头 */
  .header-inner {
    min-height: 56px;
    gap: 12px;
  }

  .brand-name {
    font-size: 19px;
  }

  .version-badge {
    display: none;
  }

  .nav-toggle {
    display: flex;
  }

  .main-nav.site-nav {
    position: absolute;
    top: 100%;
    left: 0;
    right: 0;
    background-color: var(--color-dark);
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    border-bottom: 3px solid var(--color-primary);
    padding: 0;
    justify-content: stretch;
  }

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

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

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

  .nav-link {
    padding: 14px 20px;
    border-radius: 0;
    font-size: 15px;
    border-bottom: 1px solid rgba(255, 255, 255, 0.06);
  }

  .nav-link.is-current {
    background-color: rgba(201, 155, 91, 0.2);
  }

  /* 面包屑 */
  .breadcrumb {
    padding-top: 16px;
    font-size: 13px;
  }

  .page-header {
    padding-top: 20px;
  }

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

  /* 首页 hero */
  .hero-content {
    grid-template-columns: 1fr;
    padding-top: 48px;
    padding-bottom: 40px;
    gap: 32px;
  }

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

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

  .hero-actions {
    flex-direction: column;
    align-items: stretch;
  }

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

  /* 首页服务目录 */
  .service-catalog {
    padding-top: 48px;
  }

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

  .catalog-card {
    padding: 24px 20px;
  }

  /* 首页双栏 */
  .split-section {
    grid-template-columns: 1fr;
    gap: 32px;
    padding: 32px 16px;
  }

  .split-section .scenario-list {
    grid-template-columns: 1fr;
  }

  /* 首页流程预览 */
  .timeline-row {
    grid-template-columns: 1fr;
    gap: 12px;
  }

  .process-link-wrap {
    padding-bottom: 40px;
  }

  /* 首页洞察 */
  .insights-list {
    grid-template-columns: 1fr;
    gap: 16px;
  }

  .insights-summary {
    padding-top: 40px;
    padding-bottom: 40px;
  }

  /* 首页合作 */
  .cooperation-inner {
    padding: 40px 16px;
  }

  .cooperation-links {
    flex-direction: column;
    align-items: stretch;
  }

  .cooperation-links .btn {
    width: 100%;
  }

  /* 首页相关链接 */
  .related-links {
    padding: 16px;
    gap: 8px;
  }

  .related-links-label {
    width: 100%;
  }

  /* 内页布局 */
  .page-layout,
  .layout-shell {
    grid-template-columns: 1fr;
    gap: 32px;
  }

  .page-layout .aside,
  .layout-shell .aside,
  .page-layout .sidebar,
  .layout-shell .sidebar {
    order: 2;
  }

  .page-layout .primary,
  .layout-shell .primary,
  .page-layout .primary-content,
  .layout-shell .primary-content {
    order: 1;
  }

  /* 公司页 */
  .boundary-grid {
    grid-template-columns: 1fr;
  }

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

  /* 技术页 */
  .directory-list {
    grid-template-columns: 1fr;
  }

  .direction-detail {
    padding: 24px 20px;
  }

  /* 场景页 */
  .scenario-list[aria-label="场景列表"] {
    grid-template-columns: 1fr;
  }

  .scenario-detail-block {
    padding: 24px 20px;
  }

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

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

  .stage-block {
    padding: 24px 20px;
  }

  /* 安全页 */
  .standard-summary,
  .scope-of-application,
  .standard-body {
    padding: 24px 20px;
  }

  /* 洞察页 */
  .article-card {
    grid-template-columns: 1fr;
    gap: 16px;
  }

  .article-media img {
    height: 180px;
  }

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

  /* 联系页 */
  .preparation-list {
    grid-template-columns: 1fr;
  }

  .how-to-start,
  .preparation,
  .faq-section {
    padding: 24px 20px;
  }

  .next-step-links {
    flex-direction: column;
  }

  .next-step-links .btn {
    width: 100%;
  }

  /* 页脚 */
  .footer-inner {
    grid-template-columns: 1fr 1fr;
    gap: 24px;
    padding-top: 40px;
  }

  .site-footer {
    margin-top: 48px;
  }

  /* 404 */
  .error-code {
    font-size: 56px;
  }

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

/* 小屏手机 */
@media (max-width: 480px) {
  .footer-inner {
    grid-template-columns: 1fr;
  }

  .hero-content h1 {
    font-size: 26px;
  }

  .page-header .page-title {
    font-size: 24px;
  }

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

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

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

  .article-card {
    grid-template-columns: 1fr;
  }
}