/* ============================================================
   收藏雅集网 - 现代统一设计系统 v2.0
   主色: #ff6700 (橙色)  |  风格: 简洁现代
   ============================================================ */

/* ---- CSS Variables ---- */
:root {
  --color-primary: #ff6700;
  --color-primary-dark: #e55d00;
  --color-primary-light: #fff3e8;
  --color-primary-bg: #fff7f0;

  --text-heading: #1a1a1a;
  --text-body: #444444;
  --text-secondary: #666666;
  --text-muted: #999999;

  --bg-page: #f5f5f5;
  --bg-card: #ffffff;
  --bg-hover: #fafafa;

  --border-color: #e5e7eb;
  --border-light: #f0f0f0;

  --radius-sm: 4px;
  --radius-md: 8px;
  --radius-lg: 12px;
  --radius-full: 999px;

  --shadow-sm: 0 1px 3px rgba(0,0,0,0.04);
  --shadow-md: 0 4px 12px rgba(0,0,0,0.06);
  --shadow-lg: 0 8px 24px rgba(0,0,0,0.10);

  --space-xs: 8px;
  --space-sm: 12px;
  --space-md: 16px;
  --space-lg: 24px;
  --space-xl: 32px;
  --space-2xl: 48px;

  --font-family: "PingFang SC","Microsoft YaHei","Hiragino Sans GB","Helvetica Neue",Arial,sans-serif;
  --font-size-xs: 12px;
  --font-size-sm: 13px;
  --font-size-base: 15px;
  --font-size-lg: 17px;
  --font-size-xl: 20px;
  --font-size-2xl: 26px;

  --transition: 0.2s ease;
  --transition-slow: 0.3s ease;

  --content-width: 1200px;
  --sidebar-width: 300px;
}

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

html {
  overflow-x: hidden;
  overflow-y: auto;
  -webkit-text-size-adjust: 100%;
}

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

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

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

img {
  max-width: 100%;
  height: auto;
  vertical-align: middle;
}

ul, ol {
  list-style: none;
}

/* ---- Layout ---- */
.modern-container {
  width: 100%;
  max-width: var(--content-width);
  margin: 0 auto;
  padding: 0 20px;
}

.modern-main {
  display: flex;
  gap: 24px;
  padding: 24px 0;
}

.modern-content {
  flex: 1;
  min-width: 0;
}

.modern-sidebar {
  width: var(--sidebar-width);
  flex-shrink: 0;
}

/* ========================
   HEADER
   ======================== */
.modern-header {
  background: #fff;
  border-bottom: 1px solid var(--border-color);
  box-shadow: var(--shadow-sm);
  position: sticky;
  top: 0;
  z-index: 100;
}

.modern-header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 60px;
  max-width: var(--content-width);
  margin: 0 auto;
  padding: 0 20px;
}

.modern-logo {
  font-size: 22px;
  font-weight: 700;
  color: var(--color-primary);
  white-space: nowrap;
  letter-spacing: 1px;
}

.modern-logo:hover {
  color: var(--color-primary-dark);
}

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

.modern-nav a {
  display: block;
  padding: 8px 18px;
  border-radius: var(--radius-md);
  font-size: var(--font-size-base);
  font-weight: 500;
  color: var(--text-body);
  transition: all var(--transition);
}

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

/* Header Ad */
.modern-header-ad {
  line-height: 1.6;
  color: #333;
  text-align: center;
  background-color: #fff;
  padding: 15px 0;
}

.modern-header-ad img {
  display: block;
  max-width: 100%;
  width: auto;
  height: auto;
  margin: 0 auto;
}

/* ---- Mobile Menu Toggle ---- */
.modern-menu-toggle {
  display: none;
  background: none;
  border: none;
  font-size: 24px;
  color: var(--text-heading);
  cursor: pointer;
  padding: 4px;
}

/* ========================
   BREADCRUMB
   ======================== */
.modern-breadcrumb {
  padding: 12px 0;
  font-size: var(--font-size-sm);
  color: var(--text-muted);
}

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

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

.modern-breadcrumb span {
  color: var(--text-secondary);
}

/* ========================
   ARTICLE CARD (列表页)
   ======================== */
.article-card {
  background: var(--bg-card);
  border-radius: var(--radius-md);
  padding: 20px 24px;
  margin-bottom: 16px;
  box-shadow: var(--shadow-sm);
  border: 1px solid var(--border-light);
  transition: all var(--transition-slow);
}

.article-card:hover {
  transform: translateY(-2px);
  box-shadow: var(--shadow-md);
  border-color: var(--color-primary);
}

.article-card-title {
  font-size: var(--font-size-lg);
  font-weight: 600;
  line-height: 1.5;
  margin-bottom: 8px;
}

.article-card-title a {
  color: var(--text-heading);
  transition: color var(--transition);
}

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

.article-card-meta {
  display: flex;
  align-items: center;
  gap: 12px;
  font-size: var(--font-size-sm);
  color: var(--text-muted);
  margin-bottom: 10px;
  flex-wrap: wrap;
}

.article-card-meta i {
  margin-right: 4px;
}

.article-card-category {
  display: inline-block;
  padding: 2px 10px;
  background: var(--color-primary-light);
  color: var(--color-primary);
  border-radius: var(--radius-full);
  font-size: var(--font-size-xs);
  font-weight: 500;
}

.article-card-summary {
  font-size: var(--font-size-sm);
  color: var(--text-secondary);
  line-height: 1.7;
  display: -webkit-box;
  -webkit-line-clamp: 3;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

/* Card with thumbnail */
.article-card-thumb {
  display: flex;
  gap: 20px;
}

.article-card-thumb-img {
  width: 200px;
  height: 140px;
  flex-shrink: 0;
  border-radius: var(--radius-sm);
  overflow: hidden;
}

.article-card-thumb-img img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform var(--transition-slow);
}

.article-card:hover .article-card-thumb-img img {
  transform: scale(1.05);
}

.article-card-thumb-body {
  flex: 1;
  min-width: 0;
}

/* ========================
   PAGINATION
   ======================== */
.modern-pagination {
  display: flex;
  justify-content: center;
  align-items: center;
  gap: 6px;
  padding: 24px 0;
  flex-wrap: wrap;
}

.modern-pagination ul {
  list-style: none;
  margin: 0;
  padding: 0;
}

.modern-pagination li {
  list-style: none;
  display: inline-flex;
}

.modern-pagination a,
.modern-pagination span {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-width: 36px;
  height: 36px;
  padding: 0 10px;
  border: 1px solid var(--border-color);
  border-radius: var(--radius-sm);
  font-size: var(--font-size-sm);
  color: var(--text-secondary);
  background: #fff;
  transition: all var(--transition);
}

.modern-pagination a:hover {
  border-color: var(--color-primary);
  color: var(--color-primary);
  background: var(--color-primary-light);
}

.modern-pagination .active {
  background: var(--color-primary);
  color: #fff;
  border-color: var(--color-primary);
  font-weight: 600;
}

.modern-pagination .disabled {
  color: #ccc;
  pointer-events: none;
}

/* ========================
   ARTICLE DETAIL
   ======================== */
.article-detail {
  background: var(--bg-card);
  border-radius: var(--radius-md);
  padding: 36px 40px;
  box-shadow: var(--shadow-sm);
  border: 1px solid var(--border-light);
  width: 100%;
  max-width: 780px;
  margin-left: auto;
  margin-right: auto;
}

.article-detail-header {
  border-bottom: 1px solid var(--border-light);
  padding-bottom: 24px;
  margin-bottom: 32px;
}

.article-detail-title {
  font-size: 28px;
  font-weight: 700;
  line-height: 1.45;
  color: var(--text-heading);
  margin-bottom: 14px;
  letter-spacing: 0.3px;
}

.article-detail-meta {
  display: flex;
  align-items: center;
  gap: 18px;
  flex-wrap: wrap;
  font-size: var(--font-size-sm);
  color: var(--text-muted);
}

.article-detail-meta .author {
  color: var(--color-primary);
  font-weight: 500;
}

.article-detail-body {
  font-size: 16px;
  line-height: 2;
  color: #3a3a3a;
  word-break: break-word;
}

.article-detail-body p {
  margin-bottom: 20px;
}

.article-detail-body h2 {
  font-size: 21px;
  font-weight: 700;
  color: var(--text-heading);
  margin: 36px 0 14px;
  padding-bottom: 10px;
  border-bottom: 1px solid var(--border-light);
  line-height: 1.4;
}

.article-detail-body h3 {
  font-size: 18px;
  font-weight: 600;
  color: var(--text-heading);
  margin: 28px 0 12px;
  line-height: 1.4;
}

.article-detail-body h4 {
  font-size: 16px;
  font-weight: 600;
  color: var(--text-heading);
  margin: 24px 0 10px;
  line-height: 1.4;
}

.article-detail-body img {
  max-width: 100%;
  height: auto;
  border-radius: var(--radius-md);
  box-shadow: 0 2px 12px rgba(0,0,0,0.07);
  margin: 20px auto;
  display: block;
}

.article-detail-body blockquote {
  margin: 24px 0;
  padding: 16px 24px;
  border-left: 4px solid var(--color-primary);
  background: var(--color-primary-light);
  border-radius: 0 var(--radius-sm) var(--radius-sm) 0;
  color: var(--text-secondary);
  font-size: 15px;
  line-height: 1.9;
}

.article-detail-body blockquote p {
  margin-bottom: 8px;
}

.article-detail-body ul,
.article-detail-body ol {
  padding-left: 24px;
  margin-bottom: 20px;
}

.article-detail-body li {
  margin-bottom: 8px;
  line-height: 1.9;
}

.article-detail-body ul > li {
  list-style-type: disc;
}

.article-detail-body ol > li {
  list-style-type: decimal;
}

.article-detail-body pre {
  background: #f8f8f8;
  border: 1px solid var(--border-color);
  border-radius: var(--radius-sm);
  padding: 20px 24px;
  overflow-x: auto;
  font-size: var(--font-size-sm);
  line-height: 1.7;
  margin-bottom: 20px;
}

.article-detail-body code {
  background: #f5f5f5;
  padding: 2px 6px;
  border-radius: 3px;
  font-size: 0.9em;
  color: #d35400;
}

.article-detail-body pre code {
  background: none;
  padding: 0;
  color: inherit;
  font-size: inherit;
}

.article-detail-body a {
  border-bottom: 1px solid rgba(255,103,0,0.25);
  padding-bottom: 1px;
}

.article-detail-body a:hover {
  border-bottom-color: var(--color-primary);
}

.article-detail-body hr {
  border: none;
  border-top: 1px solid var(--border-light);
  margin: 28px 0;
}

.article-detail-body table {
  width: 100%;
  border-collapse: collapse;
  margin: 20px 0;
  font-size: 14px;
}

.article-detail-body th,
.article-detail-body td {
  padding: 10px 14px;
  border: 1px solid var(--border-light);
  text-align: left;
}

.article-detail-body th {
  background: #fafafa;
  font-weight: 600;
  color: var(--text-heading);
}

/* ---- Article Tags ---- */
.article-tags {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 10px;
  padding: 20px 0;
  margin-top: 32px;
  border-top: 1px solid var(--border-light);
  font-size: var(--font-size-sm);
  color: var(--text-muted);
}

.article-tags a {
  display: inline-block;
  padding: 5px 16px;
  background: #fafafa;
  border: 1px solid var(--border-light);
  border-radius: var(--radius-full);
  color: var(--text-secondary);
  font-size: var(--font-size-xs);
  transition: all var(--transition);
}

.article-tags a:hover {
  background: var(--color-primary-light);
  border-color: var(--color-primary);
  color: var(--color-primary);
}

/* ---- Prev/Next Navigation ---- */
.article-nav {
  display: flex;
  justify-content: space-between;
  gap: 20px;
  padding: 20px 0;
  margin-top: 24px;
  border-top: 1px solid var(--border-light);
  font-size: var(--font-size-sm);
}

.article-nav a {
  flex: 1;
  padding: 14px 18px;
  background: var(--bg-hover);
  border-radius: var(--radius-md);
  color: var(--text-secondary);
  transition: all var(--transition);
  overflow: hidden;
  white-space: nowrap;
  text-overflow: ellipsis;
  line-height: 1.5;
}

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

.article-nav-prev {
  text-align: left;
}

.article-nav-next {
  text-align: right;
}

/* ---- Related Articles ---- */
.article-related {
  margin-top: 32px;
}

.article-related h3 {
  font-size: 17px;
  font-weight: 600;
  color: var(--text-heading);
  margin-bottom: 16px;
  padding-left: 13px;
  border-left: 3px solid var(--color-primary);
}

.article-related ul li {
  padding: 10px 0;
  border-bottom: 1px dashed var(--border-light);
}

.article-related ul li a {
  font-size: 14px;
  color: var(--text-secondary);
  transition: color var(--transition);
  display: flex;
  align-items: center;
  gap: 8px;
}

.article-related ul li a::before {
  content: '';
  display: inline-block;
  width: 5px;
  height: 5px;
  background: #ddd;
  border-radius: 50%;
  flex-shrink: 0;
}

.article-related ul li a:hover {
  color: var(--color-primary);
}

.article-related ul li a:hover::before {
  background: var(--color-primary);
}

/* ========================
   SIDEBAR
   ======================== */
.sidebar-widget {
  background: var(--bg-card);
  border-radius: var(--radius-md);
  padding: 20px;
  margin-bottom: 16px;
  box-shadow: var(--shadow-sm);
  border: 1px solid var(--border-light);
}

.sidebar-widget h3 {
  font-size: var(--font-size-base);
  font-weight: 600;
  color: var(--text-heading);
  margin-bottom: 14px;
  padding-bottom: 10px;
  border-bottom: 2px solid var(--color-primary);
  position: relative;
}

.sidebar-widget ul li {
  padding: 6px 0;
  border-bottom: 1px dashed var(--border-light);
}

.sidebar-widget ul li:last-child {
  border-bottom: none;
}

.sidebar-widget ul li a {
  font-size: var(--font-size-sm);
  color: var(--text-secondary);
  transition: color var(--transition);
  display: block;
  overflow: hidden;
  white-space: nowrap;
  text-overflow: ellipsis;
}

.sidebar-widget ul li a:hover {
  color: var(--color-primary);
}

/* Sidebar search */
.sidebar-search {
  display: flex;
  gap: 0;
}

.sidebar-search input[type="text"] {
  flex: 1;
  height: 38px;
  padding: 0 12px;
  border: 1px solid var(--border-color);
  border-right: none;
  border-radius: var(--radius-sm) 0 0 var(--radius-sm);
  font-size: var(--font-size-sm);
  outline: none;
  transition: border-color var(--transition);
}

.sidebar-search input[type="text"]:focus {
  border-color: var(--color-primary);
}

.sidebar-search button {
  height: 38px;
  padding: 0 18px;
  background: var(--color-primary);
  color: #fff;
  border: none;
  border-radius: 0 var(--radius-sm) var(--radius-sm) 0;
  font-size: var(--font-size-sm);
  cursor: pointer;
  transition: background var(--transition);
}

.sidebar-search button:hover {
  background: var(--color-primary-dark);
}

/* Sidebar tags */
.sidebar-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
}

.sidebar-tags a {
  display: inline-block;
  padding: 4px 12px;
  background: #f5f5f5;
  border: 1px solid var(--border-light);
  border-radius: var(--radius-full);
  font-size: var(--font-size-xs);
  color: var(--text-secondary);
  transition: all var(--transition);
}

.sidebar-tags a:hover {
  background: var(--color-primary-light);
  border-color: var(--color-primary);
  color: var(--color-primary);
}

/* ========================
   FOOTER
   ======================== */
.modern-footer {
  background: #fff;
  border-top: 1px solid var(--border-color);
  text-align: center;
  padding: 24px 20px;
  margin-top: 32px;
  font-size: var(--font-size-xs);
  color: var(--text-muted);
}

.modern-footer a {
  color: var(--text-muted);
}

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

.modern-footer .footer-links {
  margin-bottom: 10px;
}

.modern-footer .footer-links a {
  margin: 0 8px;
}

.modern-footer .footer-friends {
  margin-bottom: 8px;
  font-size: 12px;
  color: var(--text-muted);
}

.modern-footer .footer-friends a {
  margin: 0 4px;
  color: var(--text-muted);
}

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

/* 侧边栏已清空，全局隐藏 */
.modern-sidebar {
  display: none;
}

/* ========================
   RESPONSIVE
   ======================== */
@media (max-width: 1024px) {
  .modern-main {
    flex-direction: column;
  }

  .modern-sidebar {
    width: 100%;
  }

  .article-card-thumb {
    flex-direction: column;
  }

  .article-card-thumb-img {
    width: 100%;
    height: 200px;
  }
}

@media (max-width: 768px) {
  :root {
    --space-lg: 16px;
    --space-xl: 24px;
    --font-size-2xl: 22px;
  }

  .modern-container {
    padding: 0 12px;
  }

  .modern-header-inner {
    height: 52px;
  }

  .modern-logo {
    font-size: 18px;
  }

  /* Mobile menu */
  .modern-menu-toggle {
    display: block;
  }

  .modern-nav {
    display: none;
    position: absolute;
    top: 60px;
    left: 0;
    right: 0;
    background: #fff;
    border-bottom: 1px solid var(--border-color);
    box-shadow: var(--shadow-md);
  }

  .modern-nav.open {
    display: block;
  }

  .modern-nav ul {
    flex-direction: column;
    padding: 8px 0;
  }

  .modern-nav a {
    padding: 12px 20px;
    border-radius: 0;
  }

  /* Article detail */
  .article-detail {
    padding: 20px 16px;
  }

  .article-detail-title {
    font-size: 20px;
  }

  .article-nav {
    flex-direction: column;
    gap: 8px;
  }

  /* Pagination */
  .modern-pagination a,
  .modern-pagination span {
    min-width: 32px;
    height: 32px;
    font-size: 12px;
    padding: 0 8px;
  }

  /* Header Ad */
  .modern-header-ad {
    padding: 8px 0;
  }

  .modern-header-ad img {
    max-height: 60px;
  }
}

@media (max-width: 480px) {
  .article-card {
    padding: 14px 16px;
  }

  .article-card-title {
    font-size: var(--font-size-base);
  }

  .article-card-meta {
    gap: 8px;
    font-size: 12px;
  }

  .article-card-thumb-img {
    height: 160px;
  }
}

/* ============================================================
   首页专用样式 - Homepage Sections
   ============================================================ */

/* ---- Hero ---- */
.home-hero {
  background: linear-gradient(135deg, #fff7f0 0%, #fff3e8 50%, #ffffff 100%);
  padding: 60px 0 40px;
  text-align: center;
  border-bottom: 1px solid var(--border-light);
}

.home-hero h1 {
  font-size: 36px;
  font-weight: 700;
  color: var(--text-heading);
  margin-bottom: 12px;
}

.home-hero h1 span {
  color: var(--color-primary);
}

.home-hero .hero-desc {
  font-size: var(--font-size-lg);
  color: var(--text-secondary);
  max-width: 680px;
  margin: 0 auto 36px;
  line-height: 1.8;
}

/* Stats */
.home-stats {
  display: flex;
  justify-content: center;
  gap: 48px;
  flex-wrap: wrap;
}

.home-stat {
  text-align: center;
}

.home-stat .stat-num {
  font-size: 32px;
  font-weight: 700;
  color: var(--color-primary);
  line-height: 1.2;
}

.home-stat .stat-label {
  font-size: var(--font-size-sm);
  color: var(--text-muted);
  margin-top: 4px;
}

/* ---- Section Titles ---- */
.home-section {
  padding: 56px 0;
}

.home-section-title {
  text-align: center;
  font-size: var(--font-size-2xl);
  font-weight: 700;
  color: var(--text-heading);
  margin-bottom: 8px;
}

.home-section-subtitle {
  text-align: center;
  font-size: var(--font-size-base);
  color: var(--text-muted);
  margin-bottom: 40px;
}

/* ---- Service Cards ---- */
.home-services {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
  max-width: var(--content-width);
  margin: 0 auto;
  padding: 0 20px;
}

.home-service-card {
  background: var(--bg-card);
  border-radius: var(--radius-lg);
  padding: 32px 24px;
  text-align: center;
  border: 1px solid var(--border-light);
  transition: box-shadow var(--transition-slow), transform var(--transition-slow);
}

.home-service-card:hover {
  box-shadow: var(--shadow-lg);
  transform: translateY(-2px);
}

.home-service-card .svc-icon {
  font-size: 40px;
  margin-bottom: 16px;
}

.home-service-card h3 {
  font-size: var(--font-size-lg);
  color: var(--text-heading);
  margin-bottom: 10px;
}

.home-service-card p {
  font-size: var(--font-size-sm);
  color: var(--text-secondary);
  line-height: 1.7;
}

/* ---- Process Steps ---- */
.home-process {
  display: flex;
  justify-content: center;
  gap: 0;
  max-width: 960px;
  margin: 0 auto;
  padding: 0 20px;
}

.home-step {
  flex: 1;
  text-align: center;
  position: relative;
}

.home-step + .home-step::before {
  content: '';
  position: absolute;
  top: 28px;
  left: -20px;
  width: 40px;
  height: 2px;
  background: var(--border-color);
}

.home-step-num {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 56px;
  height: 56px;
  border-radius: 50%;
  background: var(--color-primary);
  color: #fff;
  font-size: var(--font-size-xl);
  font-weight: 700;
  margin-bottom: 16px;
}

.home-step h3 {
  font-size: var(--font-size-base);
  color: var(--text-heading);
  margin-bottom: 6px;
}

.home-step p {
  font-size: var(--font-size-sm);
  color: var(--text-muted);
}

/* ---- Article Section ---- */
.home-articles {
  max-width: var(--content-width);
  margin: 0 auto;
  padding: 0 20px;
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 20px;
}

/* ---- Team ---- */
.home-team-intro {
  text-align: center;
  max-width: 700px;
  margin: 0 auto 32px;
  font-size: var(--font-size-base);
  color: var(--text-secondary);
  line-height: 1.8;
}

.home-team-leaders {
  text-align: center;
  margin-bottom: 20px;
}

.home-team-leaders h3 {
  font-size: var(--font-size-base);
  font-weight: 600;
  color: var(--text-heading);
  margin-bottom: 6px;
}

.home-team-members {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 10px;
  max-width: var(--content-width);
  margin: 0 auto;
  padding: 0 20px;
}

.home-team-tag {
  display: inline-block;
  padding: 6px 16px;
  background: var(--color-primary-bg);
  color: var(--color-primary-dark);
  border-radius: var(--radius-full);
  font-size: var(--font-size-sm);
  transition: background var(--transition);
}

.home-team-tag:hover {
  background: var(--color-primary);
  color: #fff;
}

/* ---- FAQ ---- */
.home-faq {
  max-width: 860px;
  margin: 0 auto;
  padding: 0 20px;
}

.home-faq-item {
  border-bottom: 1px solid var(--border-light);
  padding: 18px 0;
}

.home-faq-q {
  font-size: var(--font-size-base);
  font-weight: 600;
  color: var(--text-heading);
  cursor: pointer;
  display: flex;
  justify-content: space-between;
  align-items: center;
  user-select: none;
}

.home-faq-q::after {
  content: '+';
  font-size: 20px;
  color: var(--color-primary);
  font-weight: 400;
  transition: transform var(--transition);
}

.home-faq-q.open::after {
  content: '−';
}

.home-faq-a {
  font-size: var(--font-size-sm);
  color: var(--text-secondary);
  line-height: 1.7;
  margin-top: 10px;
  display: none;
}

.home-faq-a.open {
  display: block;
}

/* ---- CTA ---- */
.home-cta {
  background: var(--color-primary);
  text-align: center;
  padding: 48px 20px;
}

.home-cta h2 {
  color: #fff;
  font-size: var(--font-size-2xl);
  margin-bottom: 12px;
}

.home-cta p {
  color: rgba(255,255,255,0.85);
  font-size: var(--font-size-base);
  max-width: 560px;
  margin: 0 auto 20px;
}

.home-cta .cta-btn {
  display: inline-block;
  padding: 12px 36px;
  background: #fff;
  color: var(--color-primary);
  border-radius: var(--radius-full);
  font-size: var(--font-size-base);
  font-weight: 600;
  transition: transform var(--transition);
}

.home-cta .cta-btn:hover {
  transform: scale(1.05);
  color: var(--color-primary);
}

/* ---- Responsive: Homepage ---- */
@media (max-width: 768px) {
  .home-hero h1 {
    font-size: 26px;
  }

  .home-hero .hero-desc {
    font-size: var(--font-size-base);
  }

  .home-stats {
    gap: 24px;
  }

  .home-stat .stat-num {
    font-size: 24px;
  }

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

  .home-process {
    flex-direction: column;
    gap: 28px;
  }

  .home-step + .home-step::before {
    display: none;
  }

  .home-articles {
    grid-template-columns: 1fr;
  }

  .home-section {
    padding: 40px 0;
  }

  .home-section-title {
    font-size: 22px;
  }
}

/* ---- Responsive: Article Detail ---- */
@media (max-width: 768px) {
  .article-detail {
    padding: 20px 16px;
    border-radius: 0;
    border: none;
    box-shadow: none;
    margin: 0 -16px;
    max-width: none;
  }

  .article-detail-title {
    font-size: 22px;
  }

  .article-detail-meta {
    gap: 12px;
    font-size: 12px;
  }

  .article-detail-body {
    font-size: 15px;
    line-height: 1.9;
  }

  .article-detail-body h2 {
    font-size: 18px;
    margin: 28px 0 12px;
  }

  .article-detail-body h3 {
    font-size: 16px;
  }

  .article-detail-body img {
    border-radius: var(--radius-sm);
    margin: 16px auto;
  }

  .article-nav {
    flex-direction: column;
    gap: 10px;
  }

  .article-nav a {
    text-align: left;
  }

  .article-nav-next {
    text-align: left;
  }
}