/* ==========================================================================
   base / 基础变量与全局样式
   ========================================================================== */
:root {
  --color-white: #ffffff;
  --color-primary: #1a73e8;
  --color-primary-dark: #1557b0;
  --color-primary-light: #e8f0fe;
  --color-accent: #34a853;
  --color-accent-light: #e6f4ea;
  --color-bg: #f8f9fa;
  --color-text: #202124;
  --color-text-light: #5f6368;
  --color-border: #dadce0;
  --color-border-light: #e8eaed;
  --shadow-sm: 0 1px 3px rgba(32, 33, 36, 0.08);
  --shadow-md: 0 4px 12px rgba(32, 33, 36, 0.08);
  --radius-sm: 4px;
  --radius-md: 8px;
  --container-max: 1200px;
  --header-height: 64px;
  --font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC",
    "Hiragino Sans GB", "Microsoft YaHei", "Helvetica Neue", Arial, sans-serif;
  --transition: 0.2s ease;
}

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

html {
  font-size: 16px;
  scroll-behavior: smooth;
}

body {
  font-family: var(--font-family);
  font-size: 16px;
  line-height: 1.7;
  color: var(--color-text);
  background-color: var(--color-white);
  -webkit-font-smoothing: antialiased;
}

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

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

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

ul,
ol {
  list-style: none;
}

h1,
h2,
h3,
h4,
h5,
h6 {
  font-weight: 600;
  line-height: 1.4;
  color: var(--color-text);
}

h1 {
  font-size: 32px;
  margin-bottom: 16px;
}

h2 {
  font-size: 24px;
  margin-bottom: 12px;
}

h3 {
  font-size: 18px;
  margin-bottom: 8px;
}

p {
  margin-bottom: 12px;
}

.container {
  max-width: var(--container-max);
  margin: 0 auto;
  padding: 0 24px;
}

/* ==========================================================================
   layout / 布局结构
   ========================================================================== */
.site-header {
  position: sticky;
  top: 0;
  z-index: 100;
  background-color: var(--color-white);
  border-bottom: 1px solid var(--color-border-light);
  height: var(--header-height);
}

.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 100%;
}

.logo {
  display: flex;
  align-items: center;
  font-size: 22px;
  font-weight: 700;
  color: var(--color-text);
}

.logo .logo-mark {
  width: 32px;
  height: 32px;
  margin-right: 8px;
  border-radius: var(--radius-sm);
  background-color: var(--color-primary);
  color: var(--color-white);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 18px;
  font-weight: 700;
}

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

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

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

.main-nav a {
  display: block;
  padding: 8px 14px;
  font-size: 15px;
  color: var(--color-text-light);
  border-radius: var(--radius-sm);
}

.main-nav a:hover,
.main-nav a.active {
  color: var(--color-primary);
  background-color: var(--color-primary-light);
}

.nav-toggle {
  display: none;
  width: 44px;
  height: 44px;
  border: none;
  background: none;
  cursor: pointer;
  position: relative;
  z-index: 110;
}

.nav-toggle span {
  display: block;
  width: 22px;
  height: 2px;
  background-color: var(--color-text);
  margin: 5px auto;
  transition: transform 0.3s ease, opacity 0.3s ease;
}

.nav-toggle.open span:nth-child(1) {
  transform: translateY(7px) rotate(45deg);
}

.nav-toggle.open span:nth-child(2) {
  opacity: 0;
}

.nav-toggle.open span:nth-child(3) {
  transform: translateY(-7px) rotate(-45deg);
}

.page-main {
  min-height: 60vh;
}

.site-footer {
  background-color: var(--color-bg);
  border-top: 1px solid var(--color-border-light);
  padding: 48px 0 0;
  margin-top: 64px;
}

.footer-grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr;
  gap: 40px;
  padding-bottom: 32px;
}

.footer-brand .logo {
  margin-bottom: 12px;
}

.footer-slogan {
  font-size: 14px;
  color: var(--color-text-light);
  margin-bottom: 12px;
  font-style: italic;
}

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

.footer-title {
  font-size: 16px;
  font-weight: 600;
  margin-bottom: 16px;
  color: var(--color-text);
}

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

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

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

.footer-bottom {
  border-top: 1px solid var(--color-border-light);
  padding: 16px 0;
  text-align: center;
}

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

/* ==========================================================================
   components / 通用组件
   ========================================================================== */
.btn {
  display: inline-block;
  padding: 10px 24px;
  font-size: 15px;
  font-weight: 500;
  border-radius: var(--radius-sm);
  border: 1px solid transparent;
  cursor: pointer;
  transition: background-color var(--transition), color var(--transition),
    border-color var(--transition), box-shadow var(--transition);
}

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

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

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

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

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

.btn-accent:hover {
  background-color: #2d8f47;
  color: var(--color-white);
}

.section {
  padding: 56px 0;
}

.section-header {
  text-align: center;
  max-width: 720px;
  margin: 0 auto 40px;
}

.section-header h2 {
  margin-bottom: 8px;
}

.section-header p {
  color: var(--color-text-light);
  font-size: 15px;
}

.breadcrumb {
  padding: 16px 0;
  font-size: 14px;
  color: var(--color-text-light);
  border-bottom: 1px solid var(--color-border-light);
  background-color: var(--color-bg);
}

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

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

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

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

/* 服务卡片 */
.service-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 24px;
}

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

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

.service-icon {
  width: 48px;
  height: 48px;
  border-radius: var(--radius-sm);
  background-color: var(--color-primary-light);
  color: var(--color-primary);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 24px;
  margin-bottom: 16px;
}

.service-card h3 {
  font-size: 17px;
  margin-bottom: 8px;
}

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

.card-link {
  font-size: 14px;
  font-weight: 500;
}

/* 案例卡片 */
.case-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}

.case-card {
  background-color: var(--color-white);
  border: 1px solid var(--color-border-light);
  border-radius: var(--radius-md);
  overflow: hidden;
  transition: box-shadow var(--transition);
}

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

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

.case-body {
  padding: 20px;
}

.case-tag {
  display: inline-block;
  font-size: 12px;
  padding: 2px 10px;
  border-radius: 12px;
  background-color: var(--color-accent-light);
  color: var(--color-accent);
  margin-bottom: 10px;
}

.case-body h3 {
  font-size: 16px;
  margin-bottom: 6px;
}

.case-body p {
  font-size: 14px;
  color: var(--color-text-light);
  margin-bottom: 0;
}

/* 流程步骤 */
.steps-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 24px;
  counter-reset: step;
}

.step-item {
  position: relative;
  padding: 24px;
  background-color: var(--color-bg);
  border-radius: var(--radius-md);
  border: 1px solid var(--color-border-light);
}

.step-number {
  font-size: 32px;
  font-weight: 700;
  color: var(--color-primary);
  opacity: 0.4;
  margin-bottom: 12px;
  line-height: 1;
}

.step-item h3 {
  font-size: 16px;
  margin-bottom: 8px;
}

.step-item p {
  font-size: 14px;
  color: var(--color-text-light);
  margin-bottom: 0;
}

/* FAQ */
.faq-list {
  max-width: 800px;
  margin: 0 auto;
}

.faq-item {
  border: 1px solid var(--color-border-light);
  border-radius: var(--radius-sm);
  margin-bottom: 12px;
  background-color: var(--color-white);
}

.faq-question {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 16px 20px;
  cursor: pointer;
  font-size: 15px;
  font-weight: 500;
}

.faq-question .faq-icon {
  width: 20px;
  height: 20px;
  position: relative;
  flex-shrink: 0;
}

.faq-question .faq-icon::before,
.faq-question .faq-icon::after {
  content: "";
  position: absolute;
  background-color: var(--color-text-light);
  transition: transform 0.3s ease;
}

.faq-question .faq-icon::before {
  width: 12px;
  height: 2px;
  top: 9px;
  left: 4px;
}

.faq-question .faq-icon::after {
  width: 2px;
  height: 12px;
  top: 4px;
  left: 9px;
}

.faq-item.open .faq-icon::after {
  transform: scaleY(0);
}

.faq-answer {
  max-height: 0;
  overflow: hidden;
  transition: max-height 0.3s ease;
  padding: 0 20px;
  font-size: 14px;
  color: var(--color-text-light);
}

.faq-item.open .faq-answer {
  max-height: 300px;
  padding-bottom: 16px;
}

/* 表单 */
.form-group {
  margin-bottom: 16px;
}

.form-group label {
  display: block;
  font-size: 14px;
  font-weight: 500;
  margin-bottom: 6px;
}

.form-group input,
.form-group textarea,
.form-group select {
  width: 100%;
  padding: 10px 12px;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-sm);
  font-size: 15px;
  font-family: inherit;
  transition: border-color var(--transition);
  background-color: var(--color-white);
}

.form-group input:focus,
.form-group textarea:focus,
.form-group select:focus {
  outline: none;
  border-color: var(--color-primary);
}

.form-group textarea {
  min-height: 120px;
  resize: vertical;
}

.form-success {
  display: none;
  padding: 16px;
  background-color: var(--color-accent-light);
  color: var(--color-accent);
  border-radius: var(--radius-sm);
  margin-bottom: 16px;
  font-size: 14px;
}

/* 侧边栏 */
.sidebar {
  display: flex;
  flex-direction: column;
  gap: 24px;
}

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

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

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

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

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

/* 内容布局 */
.content-layout {
  display: grid;
  grid-template-columns: 1fr 300px;
  gap: 40px;
  padding: 40px 0;
}

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

.content-area .article-body {
  font-size: 15px;
  line-height: 1.8;
}

.content-area .article-body h2 {
  margin-top: 32px;
  padding-bottom: 8px;
  border-bottom: 1px solid var(--color-border-light);
}

.content-area .article-body h3 {
  margin-top: 24px;
}

.content-area .article-body ul {
  list-style: disc;
  padding-left: 24px;
  margin-bottom: 16px;
}

.content-area .article-body li {
  margin-bottom: 8px;
}

/* 表格 */
.data-table {
  width: 100%;
  border-collapse: collapse;
  margin: 16px 0 24px;
  font-size: 14px;
}

.data-table th,
.data-table td {
  padding: 12px 16px;
  text-align: left;
  border-bottom: 1px solid var(--color-border-light);
}

.data-table th {
  background-color: var(--color-bg);
  font-weight: 600;
  color: var(--color-text);
}

.data-table tr:hover td {
  background-color: var(--color-bg);
}

/* 图片展示 */
.image-block {
  margin: 24px 0;
  border-radius: var(--radius-md);
  overflow: hidden;
}

.image-block img {
  width: 100%;
  height: auto;
}

.image-caption {
  font-size: 13px;
  color: var(--color-text-light);
  padding: 8px 12px;
  background-color: var(--color-bg);
}

/* 滚动出现动画 */
.reveal {
  opacity: 0;
  transform: translateY(24px);
  transition: opacity 0.6s ease, transform 0.6s ease;
}

.reveal.visible {
  opacity: 1;
  transform: translateY(0);
}

/* 首页 hero */
.hero {
  position: relative;
  background-color: var(--color-bg);
  border-bottom: 1px solid var(--color-border-light);
}

.hero-inner {
  display: grid;
  grid-template-columns: 1.2fr 1fr;
  gap: 48px;
  align-items: center;
  padding: 64px 0;
}

.hero-content h1 {
  font-size: 36px;
  margin-bottom: 16px;
  line-height: 1.3;
}

.hero-content p {
  font-size: 16px;
  color: var(--color-text-light);
  margin-bottom: 24px;
  max-width: 520px;
}

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

.hero-image {
  border-radius: var(--radius-md);
  overflow: hidden;
  box-shadow: var(--shadow-md);
}

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

/* 服务详情页 */
.service-detail-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 24px;
  margin: 24px 0;
}

.detail-item {
  background-color: var(--color-bg);
  border-radius: var(--radius-sm);
  padding: 20px;
}

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

.detail-item p {
  font-size: 14px;
  color: var(--color-text-light);
  margin-bottom: 0;
}

/* 文章列表 */
.article-list {
  display: flex;
  flex-direction: column;
  gap: 24px;
}

.article-item {
  display: grid;
  grid-template-columns: 240px 1fr;
  gap: 24px;
  background-color: var(--color-white);
  border: 1px solid var(--color-border-light);
  border-radius: var(--radius-md);
  padding: 16px;
  transition: box-shadow var(--transition);
}

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

.article-item img {
  width: 100%;
  height: 140px;
  object-fit: cover;
  border-radius: var(--radius-sm);
}

.article-item h3 {
  font-size: 17px;
  margin-bottom: 8px;
}

.article-item h3 a {
  color: var(--color-text);
}

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

.article-meta {
  font-size: 13px;
  color: var(--color-text-light);
  margin-bottom: 8px;
}

.article-item p {
  font-size: 14px;
  color: var(--color-text-light);
  margin-bottom: 0;
}

/* 联系页 */
.contact-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 48px;
  align-items: start;
}

.contact-info h2 {
  margin-bottom: 16px;
}

.contact-info p {
  color: var(--color-text-light);
  margin-bottom: 24px;
}

.contact-points {
  margin-top: 24px;
}

.contact-points li {
  display: flex;
  align-items: flex-start;
  margin-bottom: 16px;
  font-size: 15px;
}

.contact-points .point-icon {
  width: 40px;
  height: 40px;
  border-radius: var(--radius-sm);
  background-color: var(--color-primary-light);
  color: var(--color-primary);
  display: flex;
  align-items: center;
  justify-content: center;
  margin-right: 12px;
  flex-shrink: 0;
  font-size: 18px;
}

.contact-form-wrap {
  background-color: var(--color-bg);
  border-radius: var(--radius-md);
  padding: 32px;
}

/* ==========================================================================
   pages / 页面级特殊样式
   ========================================================================== */
.page-hero {
  background-color: var(--color-bg);
  padding: 48px 0;
  border-bottom: 1px solid var(--color-border-light);
}

.page-hero h1 {
  margin-bottom: 8px;
}

.page-hero p {
  color: var(--color-text-light);
  max-width: 640px;
}

/* 首页咨询区 */
.cta-section {
  background-color: var(--color-primary-light);
  border-radius: var(--radius-md);
  padding: 40px;
  margin-top: 56px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  flex-wrap: wrap;
}

.cta-section h2 {
  margin-bottom: 8px;
}

.cta-section p {
  color: var(--color-text-light);
  margin-bottom: 0;
}

/* 合作伙伴（仅文字） */
.trust-section {
  padding: 40px 0;
  border-top: 1px solid var(--color-border-light);
}

.trust-section h3 {
  text-align: center;
  font-size: 14px;
  color: var(--color-text-light);
  font-weight: 400;
  margin-bottom: 24px;
}

.trust-list {
  display: flex;
  justify-content: center;
  gap: 48px;
  flex-wrap: wrap;
}

.trust-list span {
  font-size: 15px;
  color: var(--color-text-light);
  font-weight: 500;
}

/* ==========================================================================
   responsive / 响应式适配
   ========================================================================== */
@media (max-width: 1024px) {
  .service-grid {
    grid-template-columns: repeat(2, 1fr);
  }

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

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

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

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

@media (max-width: 768px) {
  .header-inner {
    position: relative;
  }

  .nav-toggle {
    display: block;
  }

  .main-nav {
    position: absolute;
    top: var(--header-height);
    left: 0;
    right: 0;
    background-color: var(--color-white);
    border-bottom: 1px solid var(--color-border-light);
    box-shadow: var(--shadow-md);
    display: none;
    flex-direction: column;
    padding: 16px 24px;
  }

  .main-nav.open {
    display: flex;
  }

  .main-nav ul {
    flex-direction: column;
    width: 100%;
    gap: 0;
  }

  .main-nav a {
    padding: 12px 0;
    border-bottom: 1px solid var(--color-border-light);
    border-radius: 0;
  }

  .main-nav a:last-child {
    border-bottom: none;
  }

  .hero-inner {
    grid-template-columns: 1fr;
    gap: 32px;
    padding: 40px 0;
  }

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

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

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

  .section {
    padding: 40px 0;
  }

  .cta-section {
    flex-direction: column;
    align-items: flex-start;
    padding: 24px;
  }

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

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

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

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

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

  .trust-list {
    gap: 24px;
  }
}

@media (max-width: 480px) {
  html {
    font-size: 15px;
  }

  .container {
    padding: 0 16px;
  }

  h1 {
    font-size: 26px;
  }

  h2 {
    font-size: 20px;
  }

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

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

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

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

  .btn {
    padding: 12px 20px;
    min-height: 44px;
    display: inline-flex;
    align-items: center;
    justify-content: center;
  }

  .breadcrumb {
    font-size: 13px;
    overflow-x: auto;
    white-space: nowrap;
  }

  .contact-form-wrap {
    padding: 24px 16px;
  }

  .form-group input,
  .form-group textarea,
  .form-group select {
    min-height: 44px;
  }

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

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

  .step-item {
    padding: 20px;
  }

  .case-card img {
    height: 160px;
  }

  .footer-bottom p {
    font-size: 12px;
  }
}

/* Page styles: index.html */
/* 业务场景区：浅色底 */
.section-bg-light {
  background-color: var(--color-bg);
}

/* 快速咨询表单：顶部间距 */
.contact-form-wrap {
  margin-top: 48px;
}

/* Page styles: hjw/about.html */
.about-hero {
  background: linear-gradient(135deg, #e8f0fe 0%, #f8f9fa 100%);
  padding: 56px 0 48px;
  border-bottom: 1px solid var(--color-border-light);
}
.about-hero .container {
  display: grid;
  grid-template-columns: 1.2fr 0.8fr;
  gap: 40px;
  align-items: center;
}
.about-hero h1 {
  font-size: 2.2rem;
  margin-bottom: 16px;
  color: var(--color-text);
}
.about-hero p {
  font-size: 1.05rem;
  color: var(--color-text-light);
  line-height: 1.8;
  margin-bottom: 8px;
}
.about-hero .hero-actions {
  margin-top: 24px;
}
.about-hero .hero-image {
  border-radius: var(--radius-md);
  overflow: hidden;
  box-shadow: var(--shadow-md);
}
.about-hero .hero-image img {
  display: block;
  width: 100%;
  height: auto;
}
.mission-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
  margin-top: 32px;
}
.mission-item {
  background: var(--color-white);
  border: 1px solid var(--color-border-light);
  border-radius: var(--radius-md);
  padding: 28px 24px;
  transition: box-shadow var(--transition), transform var(--transition);
}
.mission-item:hover {
  box-shadow: var(--shadow-md);
  transform: translateY(-4px);
}
.mission-item .point-icon {
  font-size: 2rem;
  margin-bottom: 12px;
  display: inline-block;
}
.mission-item h3 {
  font-size: 1.2rem;
  margin-bottom: 8px;
  color: var(--color-text);
}
.mission-item p {
  font-size: 0.95rem;
  line-height: 1.7;
  color: var(--color-text-light);
}
.team-values {
  margin-top: 40px;
}
.team-values .section-header {
  margin-bottom: 24px;
}
.values-list {
  list-style: none;
  padding: 0;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 16px;
}
.values-list li {
  background: var(--color-bg);
  padding: 16px 20px;
  border-radius: var(--radius-sm);
  border-left: 4px solid var(--color-primary);
  font-weight: 500;
}
.content-layout {
  display: grid;
  grid-template-columns: 1fr 320px;
  gap: 40px;
  margin-top: 40px;
}
.section-alt-bg {
  background: var(--color-bg);
}
.sidebar-note {
  font-size: 0.9rem;
  color: var(--color-text-light);
  margin-bottom: 12px;
}
.form-submit-btn {
  width: 100%;
}
@media (max-width: 992px) {
  .about-hero .container {
    grid-template-columns: 1fr;
  }
  .mission-grid {
    grid-template-columns: 1fr;
  }
  .content-layout {
    grid-template-columns: 1fr;
  }
  .values-list {
    grid-template-columns: 1fr;
  }
}

/* Page styles: hjw/features.html */
/* 本页专用：服务明细表与侧栏样式微调 */
.service-detail-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
  gap: 24px;
  margin-top: 20px;
}
.detail-item {
  background: var(--color-white);
  border: 1px solid var(--color-border-light);
  border-radius: var(--radius-md);
  padding: 24px;
  transition: box-shadow var(--transition);
}
.detail-item:hover {
  box-shadow: var(--shadow-md);
}
.detail-item h3 {
  font-size: 18px;
  margin-bottom: 8px;
  color: var(--color-primary);
}
.detail-item p {
  font-size: 14px;
  line-height: 1.6;
  color: var(--color-text-light);
}
.sidebar-card .card-title {
  font-size: 18px;
  font-weight: 600;
  margin-bottom: 16px;
  border-left: 4px solid var(--color-primary);
  padding-left: 12px;
}
.content-area .article-body h2 {
  margin-top: 24px;
}
.content-layout {
  display: grid;
  grid-template-columns: 1fr 320px;
  gap: 40px;
}
@media (max-width: 900px) {
  .content-layout {
    grid-template-columns: 1fr;
  }
}
.page-hero {
  background: linear-gradient(135deg, #f0f6ff 0%, #e6f4ea 100%);
}
.sidebar-note {
  font-size: 14px;
  color: var(--color-text-light);
  margin-bottom: 12px;
}
.table-scroll-wrap {
  overflow-x: auto;
}
.section-bg {
  background: var(--color-bg);
}

/* Page styles: hjw/guide.html */
/* 全局样式与组件复用 */
.form-success {
  display: none;
  color: #1a7f37;
  background: #e6f4ea;
  border: 1px solid #b7e1c3;
  border-radius: 6px;
  padding: 10px 14px;
  margin-top: 14px;
  font-size: 14px;
  line-height: 1.5;
}

.form-success.is-visible {
  display: block;
}

.btn-block {
  display: block;
  width: 100%;
}

/* Page styles: hjw/faq.html */
.faq-page-intro {
  background: var(--color-bg);
  padding: 24px 0;
  border-bottom: 1px solid var(--color-border-light);
}
.faq-page-intro .intro-text {
  max-width: 860px;
  margin: 0 auto;
  text-align: center;
  color: var(--color-text);
  font-size: 16px;
  line-height: 1.7;
}
.faq-layout {
  display: grid;
  grid-template-columns: 1fr 320px;
  gap: 40px;
  padding: 48px 0;
}
@media (max-width: 992px) {
  .faq-layout {
    grid-template-columns: 1fr;
  }
}
.faq-main .faq-item {
  background: var(--color-white);
  border: 1px solid var(--color-border-light);
  border-radius: var(--radius-md);
  margin-bottom: 16px;
  overflow: hidden;
  transition: box-shadow var(--transition);
}
.faq-main .faq-item:hover {
  box-shadow: var(--shadow-sm);
}
.faq-main .faq-question {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 18px 24px;
  font-weight: 500;
  font-size: 17px;
  cursor: pointer;
  background: var(--color-white);
  color: var(--color-text);
}
.faq-main .faq-answer {
  padding: 0 24px 20px;
  color: var(--color-text-light);
  line-height: 1.7;
  border-top: 1px solid var(--color-border-light);
  margin-top: 0;
}
.faq-main .faq-icon {
  position: relative;
  width: 20px;
  height: 20px;
  flex-shrink: 0;
}
.faq-main .faq-icon::before,
.faq-main .faq-icon::after {
  content: "";
  position: absolute;
  background: var(--color-primary);
  transition: transform 0.2s;
}
.faq-main .faq-icon::before {
  width: 2px;
  height: 14px;
  left: 9px;
  top: 3px;
}
.faq-main .faq-icon::after {
  width: 14px;
  height: 2px;
  left: 3px;
  top: 9px;
}
.faq-main .faq-item.open .faq-icon::before {
  transform: scaleY(0);
}
.faq-main .faq-answer {
  display: none;
}
.faq-main .faq-item.open .faq-answer {
  display: block;
}
/* 侧边栏卡片内边距调整 */
.sidebar-card .form-group input,
.sidebar-card .form-group textarea {
  font-size: 14px;
  padding: 10px 12px;
}

/* 修复：页面标题区背景与内边距 */
.page-hero {
  background: var(--color-bg);
  padding: 32px 0;
}

/* 修复：栏目标题统一样式 */
.section-title {
  font-size: 22px;
  margin-bottom: 20px;
  color: var(--color-text);
}
.section-title-spaced {
  margin: 40px 0 20px;
}

/* 修复：CTA 区块样式 */
.cta-section {
  background: var(--color-primary-light);
  border-radius: var(--radius-md);
  padding: 32px;
  margin-top: 40px;
  text-align: center;
}
.cta-section h3 {
  margin: 0 0 8px;
}
.cta-section p {
  margin: 0 0 20px;
  color: var(--color-text-light);
}

/* 修复：提交按钮宽度 */
.btn-block {
  width: 100%;
}

/* 修复：表单提示文字 */
.form-note {
  font-size: 13px;
  color: var(--color-text-light);
  margin-top: 12px;
}

/* Page styles: hjw/contact.html */
.contact-info-note {
  margin-top: 24px;
  color: var(--color-text-light);
}

.form-tip {
  font-size: 14px;
  color: var(--color-text-light);
  margin-top: 12px;
}

.trust-section {
  background: var(--color-bg);
}

.sidebar-note {
  font-size: 15px;
  margin-bottom: 12px;
}

.sidebar-form .btn {
  width: 100%;
}

/* Page styles: hjw/articles.html */
.article-list .article-item {
  display: flex;
  gap: 20px;
  align-items: flex-start;
  padding: 24px 0;
  border-bottom: 1px solid var(--color-border-light);
}
.article-list .article-item:last-child {
  border-bottom: none;
}
.article-list .article-item img {
  width: 200px;
  height: 140px;
  object-fit: cover;
  border-radius: var(--radius-md);
  flex-shrink: 0;
}
.article-list .article-content {
  flex: 1;
}
.article-list .article-meta {
  font-size: 14px;
  color: var(--color-text-light);
  margin-bottom: 8px;
}
.article-list .article-item h3 {
  margin-bottom: 8px;
  font-size: 20px;
}
.article-list .article-item p {
  color: var(--color-text-light);
  line-height: 1.7;
}
.section-top-gap {
  margin-top: 40px;
}
@media (max-width: 768px) {
  .article-list .article-item {
    flex-direction: column;
    gap: 12px;
  }
  .article-list .article-item img {
    width: 100%;
    height: auto;
    aspect-ratio: 16 / 9;
  }
}

/* responsive guard */
html, body { max-width: 100%; overflow-x: hidden; }
img, video, canvas, svg { max-width: 100%; height: auto; }
* { min-width: 0; }
@media (max-width: 480px) {
  table { display: block; max-width: 100%; overflow-x: auto; }
}