/* ========== AI百业通 - 全局样式 ========== */
@import url('https://fonts.googleapis.com/css2?family=Noto+Sans+SC:wght@300;400;500;600;700;900&display=swap');

:root {
  /* 主色：深绿→淡绿渐变 */
  --green-deep: #2E7D32;
  --green-mid: #43A047;
  --green-main: #4CAF50;
  --green-light: #81C784;
  --green-lighter: #A5D6A7;
  --green-pale: #C8E6C9;
  --green-bg: #E8F5E9;
  --green-surface: #F1F8E9;

  /* 中性色 */
  --white: #FFFFFF;
  --gray-50: #FAFAFA;
  --gray-100: #F5F5F5;
  --gray-200: #EEEEEE;
  --gray-300: #E0E0E0;
  --gray-400: #BDBDBD;
  --gray-500: #9E9E9E;
  --gray-600: #757575;
  --gray-700: #616161;
  --gray-800: #424242;
  --gray-900: #212121;

  /* 功能色 */
  --accent-orange: #FF9800;
  --accent-blue: #2196F3;
  --accent-purple: #7C4DFF;
  --accent-pink: #E91E63;
  --accent-teal: #009688;
  --accent-amber: #FFC107;

  /* 布局 */
  --sidebar-width: 200px;
  --header-height: 64px;
  --content-max-width: 1400px;

  /* === 液态玻璃导航栏 - 日间模式 === */
  --glass-bg: rgba(255, 255, 255, 0.62);
  --glass-border: rgba(255, 255, 255, 0.5);
  --glass-shadow: 0 4px 30px rgba(0, 0, 0, 0.08);
  --glass-inner-glow: inset 0 1px 0 rgba(255, 255, 255, 0.6);
  --glass-blur: 24px;
  --glass-saturate: 1.8;

  --glass-search-bg: rgba(255, 255, 255, 0.45);
  --glass-search-border: rgba(255, 255, 255, 0.5);
  --glass-search-focus: rgba(255, 255, 255, 0.65);
  --glass-search-text: #1a1a2e;
  --glass-search-placeholder: rgba(30, 30, 50, 0.4);
  --glass-search-icon: rgba(30, 30, 50, 0.45);

  --glass-slogan-color: #1a1a2e;
  --glass-sub-slogan-color: rgba(30, 30, 50, 0.55);

  --glass-dropdown-bg: rgba(255, 255, 255, 0.72);
  --glass-dropdown-shadow: 0 12px 48px rgba(0, 0, 0, 0.12);
  --glass-dropdown-item-hover: rgba(76, 175, 80, 0.08);
  --glass-dropdown-text: #333;
  --glass-dropdown-desc: #888;

  --glass-theme-btn-bg: rgba(255, 255, 255, 0.35);
  --glass-theme-btn-hover: rgba(255, 255, 255, 0.55);
  --glass-theme-icon: #1a1a2e;

  --page-bg: #f5f7f5;
  --card-bg: rgba(255, 255, 255, 0.8);
  --card-border: rgba(0, 0, 0, 0.06);
  --sidebar-bg: rgba(255, 255, 255, 0.55);
  --sidebar-active-bg: rgba(76, 175, 80, 0.1);
  --sidebar-text: #555;
  --section-title: #1a1a2e;
}

/* === 暗色模式 === */
[data-theme="dark"] {
  --glass-bg: rgba(20, 20, 35, 0.62);
  --glass-border: rgba(255, 255, 255, 0.1);
  --glass-shadow: 0 4px 30px rgba(0, 0, 0, 0.25);
  --glass-inner-glow: inset 0 1px 0 rgba(255, 255, 255, 0.08);
  --glass-saturate: 1.5;

  --glass-search-bg: rgba(255, 255, 255, 0.08);
  --glass-search-border: rgba(255, 255, 255, 0.12);
  --glass-search-focus: rgba(255, 255, 255, 0.15);
  --glass-search-text: #e8e8f0;
  --glass-search-placeholder: rgba(255, 255, 255, 0.35);
  --glass-search-icon: rgba(255, 255, 255, 0.45);

  --glass-slogan-color: #e8e8f0;
  --glass-sub-slogan-color: rgba(255, 255, 255, 0.5);

  --glass-dropdown-bg: rgba(25, 25, 45, 0.82);
  --glass-dropdown-shadow: 0 12px 48px rgba(0, 0, 0, 0.4);
  --glass-dropdown-item-hover: rgba(76, 175, 80, 0.15);
  --glass-dropdown-text: #ddd;
  --glass-dropdown-desc: #888;

  --glass-theme-btn-bg: rgba(255, 255, 255, 0.08);
  --glass-theme-btn-hover: rgba(255, 255, 255, 0.15);
  --glass-theme-icon: #e8e8f0;

  --page-bg: #0d0d1a;
  --card-bg: rgba(30, 30, 50, 0.6);
  --card-border: rgba(255, 255, 255, 0.06);
  --sidebar-bg: rgba(20, 20, 38, 0.6);
  --sidebar-active-bg: rgba(76, 175, 80, 0.15);
  --sidebar-text: #aaa;
  --section-title: #e8e8f0;
}

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

html {
  scroll-behavior: smooth;
}

body {
  font-family: 'Noto Sans SC', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
  background: var(--page-bg);
  color: var(--gray-800);
  line-height: 1.6;
  overflow-x: hidden;
  transition: background 0.4s ease, color 0.4s ease;
}

a {
  text-decoration: none;
  color: inherit;
  transition: all 0.3s ease;
}

/* ========== 顶部导航栏 - 液态玻璃 ========== */
.header {
  position: fixed;
  top: 0;
  left: var(--sidebar-width);
  right: 0;
  height: var(--header-height);
  background: var(--glass-bg);
  backdrop-filter: blur(var(--glass-blur)) saturate(var(--glass-saturate));
  -webkit-backdrop-filter: blur(var(--glass-blur)) saturate(var(--glass-saturate));
  -moz-backdrop-filter: blur(var(--glass-blur)) saturate(var(--glass-saturate));
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0 32px;
  z-index: 100;
  border-bottom: 1px solid var(--glass-border);
  box-shadow: var(--glass-shadow), var(--glass-inner-glow);
  transition: background 0.4s ease, border-color 0.4s ease, box-shadow 0.4s ease;
}

.header-left {
  display: flex;
  align-items: center;
  flex: 1;
}

.header-search {
  display: flex;
  align-items: center;
  background: var(--glass-search-bg);
  border-radius: 24px;
  padding: 7px 18px;
  backdrop-filter: blur(12px) saturate(1.6);
  -webkit-backdrop-filter: blur(12px) saturate(1.6);
  border: 1px solid var(--glass-search-border);
  transition: all 0.4s cubic-bezier(0.16,1,0.3,1);
  position: relative;
}

.header-search:focus-within {
  background: var(--glass-search-focus);
  border-color: rgba(76, 175, 80, 0.4);
  box-shadow: 0 0 0 3px rgba(76, 175, 80, 0.1), 0 4px 16px rgba(0,0,0,0.06);
}

.header-search input {
  background: none;
  border: none;
  outline: none;
  color: var(--glass-search-text);
  font-size: 13px;
  width: 320px;
  font-family: inherit;
  transition: color 0.3s;
}

.header-search input::placeholder {
  color: var(--glass-search-placeholder);
}

.header-search .search-icon {
  color: var(--glass-search-icon);
  margin-right: 8px;
  font-size: 16px;
  flex-shrink: 0;
}

/* 搜索下拉结果 - 液态玻璃 */
.search-dropdown {
  display: none;
  position: absolute;
  top: calc(100% + 8px);
  left: 0;
  right: 0;
  background: var(--glass-dropdown-bg);
  backdrop-filter: blur(20px) saturate(1.6);
  -webkit-backdrop-filter: blur(20px) saturate(1.6);
  border-radius: 16px;
  border: 1px solid var(--glass-border);
  box-shadow: var(--glass-dropdown-shadow);
  max-height: 360px;
  overflow-y: auto;
  z-index: 200;
  padding: 8px 0;
  transition: background 0.3s, border-color 0.3s;
}

.search-dropdown.active {
  display: block;
}

.search-dropdown-item {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 10px 16px;
  cursor: pointer;
  transition: background 0.2s;
  text-decoration: none;
  color: var(--glass-dropdown-text);
}

.search-dropdown-item:hover {
  background: var(--glass-dropdown-item-hover);
}

.search-dropdown-item .sd-emoji {
  font-size: 20px;
  width: 28px;
  text-align: center;
  flex-shrink: 0;
}

.search-dropdown-item .sd-info {
  flex: 1;
  min-width: 0;
}

.search-dropdown-item .sd-title {
  font-size: 14px;
  font-weight: 600;
  color: var(--gray-800);
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.search-dropdown-item .sd-desc {
  font-size: 11px;
  color: var(--gray-500);
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.search-dropdown-item .sd-tag {
  font-size: 10px;
  padding: 2px 8px;
  border-radius: 4px;
  background: var(--green-bg);
  color: var(--green-main);
  font-weight: 600;
  flex-shrink: 0;
}

.search-dropdown-empty {
  padding: 20px 16px;
  text-align: center;
  font-size: 13px;
  color: var(--gray-400);
}

.header-right {
  display: flex;
  align-items: center;
  gap: 16px;
}

.header-text {
  display: flex;
  flex-direction: column;
  align-items: flex-end;
  justify-content: center;
}

.header-slogan {
  font-size: 16px;
  font-weight: 700;
  color: var(--glass-slogan-color);
  letter-spacing: 1px;
  white-space: nowrap;
  transition: color 0.3s;
}

.header-sub-slogan {
  font-size: 11px;
  color: var(--glass-sub-slogan-color);
  margin-top: 1px;
  white-space: nowrap;
  transition: color 0.3s;
}

/* 主题切换按钮 */
.theme-toggle {
  width: 36px;
  height: 36px;
  border-radius: 50%;
  background: var(--glass-theme-btn-bg);
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
  border: 1px solid var(--glass-border);
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 18px;
  color: var(--glass-theme-icon);
  transition: all 0.4s cubic-bezier(0.16,1,0.3,1);
  flex-shrink: 0;
}

.theme-toggle:hover {
  background: var(--glass-theme-btn-hover);
  transform: rotate(20deg) scale(1.08);
}

.theme-toggle:active {
  transform: rotate(20deg) scale(0.95);
}

/* ========== 侧边栏 - 液态玻璃 ========== */
.sidebar {
  position: fixed;
  top: 0;
  left: 0;
  width: var(--sidebar-width);
  height: 100vh;
  background: var(--glass-bg);
  backdrop-filter: blur(var(--glass-blur)) saturate(var(--glass-saturate));
  -webkit-backdrop-filter: blur(var(--glass-blur)) saturate(var(--glass-saturate));
  border-right: 1px solid var(--glass-border);
  box-shadow: var(--glass-shadow), var(--glass-inner-glow);
  z-index: 101;
  display: flex;
  flex-direction: column;
  overflow-y: auto;
  scrollbar-width: thin;
  scrollbar-color: rgba(0,0,0,0.08) transparent;
  transition: background 0.4s ease, border-color 0.4s ease, box-shadow 0.4s ease;
}

.sidebar-logo {
  padding: 16px 18px;
  border-bottom: 1px solid var(--glass-border);
  display: flex;
  align-items: center;
  gap: 10px;
  min-height: var(--header-height);
}

.sidebar-logo .s-logo-icon {
  width: 34px;
  height: 34px;
  background: var(--glass-search-bg);
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
  border: 1px solid var(--glass-border);
  border-radius: 10px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 17px;
  flex-shrink: 0;
  transition: background 0.3s;
}

.sidebar-logo .s-logo-text {
  font-size: 17px;
  font-weight: 900;
  color: var(--glass-slogan-color);
  letter-spacing: 2px;
  transition: color 0.3s;
}

.sidebar-section-title {
  padding: 18px 18px 6px;
  font-size: 11px;
  font-weight: 600;
  color: var(--glass-sub-slogan-color);
  text-transform: uppercase;
  letter-spacing: 2px;
  transition: color 0.3s;
}

.sidebar-nav {
  flex: 1;
  padding: 6px 10px;
}

.sidebar-nav a {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 9px 12px;
  color: var(--sidebar-text);
  font-size: 14px;
  font-weight: 500;
  border-radius: 10px;
  transition: all 0.25s;
  margin-bottom: 2px;
  text-decoration: none;
}

.sidebar-nav a:hover {
  color: var(--glass-slogan-color);
  background: var(--sidebar-active-bg);
  transform: translateX(3px);
}

.sidebar-nav a.active {
  color: var(--glass-slogan-color);
  background: var(--sidebar-active-bg);
  font-weight: 600;
}

.sidebar-nav a .nav-icon {
  font-size: 16px;
  width: 20px;
  text-align: center;
  flex-shrink: 0;
}

.sidebar-bottom {
  padding: 14px 18px;
  border-top: 1px solid var(--glass-border);
}

.sidebar-bottom a {
  display: flex;
  align-items: center;
  gap: 8px;
  color: var(--glass-sub-slogan-color);
  font-size: 13px;
  padding: 7px 0;
  transition: color 0.3s;
  text-decoration: none;
}

.sidebar-bottom a:hover {
  color: var(--glass-slogan-color);
}

/* ========== 主内容区 ========== */
.main {
  margin-left: var(--sidebar-width);
  margin-top: var(--header-height);
  min-height: calc(100vh - var(--header-height));
}

/* ========== Hero横幅 ========== */
.hero {
  background: linear-gradient(135deg, var(--green-bg) 0%, var(--green-surface) 50%, var(--white) 100%);
  padding: 48px 40px;
  position: relative;
  overflow: hidden;
}

.hero::after {
  content: '';
  position: absolute;
  top: -60px;
  right: -40px;
  width: 300px;
  height: 300px;
  background: radial-gradient(circle, rgba(76,175,80,0.08) 0%, transparent 70%);
  border-radius: 50%;
}

.hero-content {
  max-width: var(--content-max-width);
  margin: 0 auto;
  position: relative;
  z-index: 2;
}

.hero h1 {
  font-size: 36px;
  font-weight: 900;
  color: var(--green-deep);
  margin-bottom: 8px;
}

.hero h1 span {
  color: var(--green-main);
}

.hero .hero-desc {
  font-size: 16px;
  color: var(--gray-600);
  max-width: 600px;
  line-height: 1.8;
}

.hero-tags {
  display: flex;
  gap: 8px;
  margin-top: 16px;
  flex-wrap: wrap;
}

.hero-tag {
  display: inline-flex;
  align-items: center;
  gap: 4px;
  padding: 6px 14px;
  background: var(--white);
  border: 1px solid var(--green-pale);
  border-radius: 20px;
  font-size: 12px;
  color: var(--green-mid);
  font-weight: 500;
  transition: all 0.3s;
}

.hero-tag:hover {
  background: var(--green-main);
  color: var(--white);
  border-color: var(--green-main);
  transform: translateY(-2px);
  box-shadow: 0 4px 12px rgba(76,175,80,0.2);
}

/* ========== 行业分类区域 ========== */
.section {
  padding: 32px 48px;
  max-width: var(--content-max-width);
  margin: 0 auto;
}

.section-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 28px;
}

.section-header h2 {
  font-size: 24px;
  font-weight: 800;
  color: var(--gray-900);
  display: flex;
  align-items: center;
  gap: 10px;
}

.section-header h2::before {
  content: '';
  width: 4px;
  height: 24px;
  background: linear-gradient(180deg, var(--green-deep), var(--green-light));
  border-radius: 2px;
}

.section-header .more-link {
  font-size: 13px;
  color: var(--green-mid);
  font-weight: 500;
  display: flex;
  align-items: center;
  gap: 4px;
  transition: all 0.3s;
}

.section-header .more-link:hover {
  color: var(--green-deep);
  gap: 8px;
}

/* ========== 行业卡片网格 ========== */
.industry-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(200px, 1fr));
  gap: 18px;
}

.industry-card {
  background: var(--white);
  border: 1px solid var(--gray-200);
  border-radius: 16px;
  overflow: hidden;
  transition: all 0.4s cubic-bezier(0.16, 1, 0.3, 1);
  cursor: pointer;
  position: relative;
}

.industry-card:hover {
  transform: translateY(-6px);
  box-shadow: 0 12px 36px rgba(46, 125, 50, 0.12);
  border-color: var(--green-light);
}

.industry-card .card-image {
  height: 130px;
  background-size: cover;
  background-position: center;
  position: relative;
  overflow: hidden;
}

.industry-card .card-image::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  right: 0;
  height: 50px;
  background: linear-gradient(transparent, rgba(255,255,255,0.9));
}

.industry-card .card-image .card-emoji {
  position: absolute;
  top: 12px;
  left: 12px;
  width: 40px;
  height: 40px;
  background: var(--white);
  border-radius: 12px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 22px;
  box-shadow: 0 2px 8px rgba(0,0,0,0.1);
  z-index: 2;
}

.industry-card .card-image .card-tag {
  position: absolute;
  top: 12px;
  right: 12px;
  padding: 3px 10px;
  background: var(--green-main);
  color: var(--white);
  border-radius: 10px;
  font-size: 10px;
  font-weight: 600;
  z-index: 2;
}

.industry-card .card-body {
  padding: 16px 18px 18px;
}

.industry-card .card-title {
  font-size: 16px;
  font-weight: 700;
  color: var(--gray-900);
  margin-bottom: 6px;
}

.industry-card .card-desc {
  font-size: 12px;
  color: var(--gray-500);
  line-height: 1.7;
  margin-bottom: 12px;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

.industry-card .card-footer {
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.industry-card .card-meta {
  font-size: 11px;
  color: var(--gray-400);
  display: flex;
  align-items: center;
  gap: 4px;
}

.industry-card .card-btn {
  font-size: 12px;
  color: var(--green-mid);
  font-weight: 600;
  display: flex;
  align-items: center;
  gap: 4px;
  transition: all 0.3s;
}

.industry-card:hover .card-btn {
  color: var(--green-deep);
  gap: 8px;
}

/* ========== 特色区域 ========== */
.features {
  padding: 40px;
  background: var(--gray-50);
  max-width: 100%;
}

.features-inner {
  max-width: var(--content-max-width);
  margin: 0 auto;
}

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

.feature-card {
  background: var(--white);
  border-radius: 16px;
  padding: 28px 24px;
  text-align: center;
  border: 1px solid var(--gray-200);
  transition: all 0.3s;
}

.feature-card:hover {
  border-color: var(--green-light);
  box-shadow: 0 8px 24px rgba(76,175,80,0.08);
  transform: translateY(-4px);
}

.feature-card .f-icon {
  font-size: 36px;
  margin-bottom: 12px;
}

.feature-card h3 {
  font-size: 15px;
  font-weight: 700;
  color: var(--gray-900);
  margin-bottom: 6px;
}

.feature-card p {
  font-size: 12px;
  color: var(--gray-500);
  line-height: 1.6;
}

/* ========== 页脚 ========== */
.footer {
  background: linear-gradient(180deg, #1a1a2e 0%, #16213e 100%);
  color: var(--gray-400);
  padding: 56px 40px 28px;
  margin-left: var(--sidebar-width);
}

.footer-inner {
  max-width: var(--content-max-width);
  margin: 0 auto;
}

.footer-grid {
  display: grid;
  grid-template-columns: 1.8fr 1fr 1fr 1fr;
  gap: 48px;
  margin-bottom: 36px;
}

.footer-brand h3 {
  font-size: 20px;
  font-weight: 900;
  color: var(--white);
  margin-bottom: 10px;
}

.footer-brand p {
  font-size: 13px;
  line-height: 1.8;
  color: rgba(255,255,255,0.5);
}

.footer-col h4 {
  font-size: 14px;
  font-weight: 600;
  color: var(--white);
  margin-bottom: 16px;
  position: relative;
  padding-bottom: 10px;
}

.footer-col h4::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  width: 24px;
  height: 2px;
  background: var(--green-main);
  border-radius: 1px;
}

.footer-col a {
  display: block;
  font-size: 13px;
  color: rgba(255,255,255,0.4);
  padding: 5px 0;
  transition: all 0.3s;
  text-decoration: none;
}

.footer-col a:hover {
  color: var(--green-light);
  transform: translateX(4px);
}

.footer-bottom {
  border-top: 1px solid rgba(255,255,255,0.06);
  padding-top: 20px;
  text-align: center;
  font-size: 12px;
  color: rgba(255,255,255,0.25);
}

/* ========== 暗色模式全局覆盖 ========== */
[data-theme="dark"] body {
  background: var(--page-bg);
  color: #c8c8d4;
}

[data-theme="dark"] .sidebar {
  background: var(--glass-bg);
  backdrop-filter: blur(var(--glass-blur)) saturate(var(--glass-saturate));
  -webkit-backdrop-filter: blur(var(--glass-blur)) saturate(var(--glass-saturate));
  border-right: 1px solid var(--glass-border);
  box-shadow: var(--glass-shadow), var(--glass-inner-glow);
}

[data-theme="dark"] .sidebar-logo {
  border-bottom-color: rgba(255,255,255,0.06);
}

[data-theme="dark"] .sidebar-section-title {
  color: rgba(255,255,255,0.3);
}

[data-theme="dark"] .sidebar-nav a {
  color: rgba(255,255,255,0.55);
}

[data-theme="dark"] .sidebar-nav a:hover {
  color: rgba(255,255,255,0.9);
  background: rgba(76,175,80,0.1);
}

[data-theme="dark"] .sidebar-nav a.active {
  color: var(--green-light);
  background: rgba(76,175,80,0.12);
}

[data-theme="dark"] .sidebar-bottom a {
  color: rgba(255,255,255,0.35);
}

[data-theme="dark"] .industry-card {
  background: var(--card-bg);
  border-color: var(--card-border);
}

[data-theme="dark"] .industry-card:hover {
  box-shadow: 0 12px 36px rgba(76,175,80,0.1);
  border-color: rgba(76,175,80,0.25);
}

[data-theme="dark"] .card-title {
  color: #e0e0e8 !important;
}

[data-theme="dark"] .card-desc {
  color: #8888a0 !important;
}

[data-theme="dark"] .card-meta {
  color: #666680 !important;
}

[data-theme="dark"] .card-btn {
  color: var(--green-light) !important;
}

[data-theme="dark"] .card-tag {
  background: var(--green-mid) !important;
}

[data-theme="dark"] .card-emoji {
  background: rgba(30,30,50,0.8) !important;
  box-shadow: 0 2px 8px rgba(0,0,0,0.3) !important;
}

[data-theme="dark"] .section-header h2 {
  color: #e0e0e8 !important;
}

[data-theme="dark"] .section-header .more-link {
  color: var(--green-light) !important;
}

[data-theme="dark"] .hero h1 {
  color: var(--green-lighter) !important;
}

[data-theme="dark"] .hero .hero-desc {
  color: #8888a0 !important;
}

[data-theme="dark"] .hero-tag {
  background: rgba(30,30,50,0.6) !important;
  border-color: rgba(76,175,80,0.2) !important;
  color: var(--green-light) !important;
}

[data-theme="dark"] .hero-tag:hover {
  background: var(--green-main) !important;
  color: #fff !important;
}

[data-theme="dark"] .feature-card {
  background: rgba(30,30,50,0.5);
  border-color: rgba(255,255,255,0.06);
}

[data-theme="dark"] .feature-card h3 {
  color: #e0e0e8 !important;
}

[data-theme="dark"] .feature-card p {
  color: #8888a0 !important;
}

[data-theme="dark"] .search-dropdown-item .sd-title {
  color: #e0e0e8 !important;
}

[data-theme="dark"] .search-dropdown-item .sd-desc {
  color: #888 !important;
}

[data-theme="dark"] .search-dropdown-item .sd-tag {
  background: rgba(76,175,80,0.15) !important;
  color: var(--green-light) !important;
}

[data-theme="dark"] .mobile-toggle {
  background: rgba(30,30,50,0.8);
  backdrop-filter: blur(8px);
}

/* ========== 动画 ========== */
@keyframes fadeInUp {
  from { opacity: 0; transform: translateY(24px); }
  to { opacity: 1; transform: translateY(0); }
}

@keyframes fadeIn {
  from { opacity: 0; }
  to { opacity: 1; }
}

.animate-in {
  opacity: 0;
  transform: translateY(24px);
  transition: all 0.6s cubic-bezier(0.16, 1, 0.3, 1);
}

.animate-in.visible {
  opacity: 1;
  transform: translateY(0);
}

/* ========== 响应式 ========== */
@media (max-width: 1200px) {
  .industry-grid {
    grid-template-columns: repeat(auto-fill, minmax(200px, 1fr));
  }
  .feature-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (max-width: 1024px) {
  .sidebar { transform: translateX(-100%); }
  .sidebar.open { transform: translateX(0); }
  .header { left: 0; }
  .main { margin-left: 0; }
  .footer { margin-left: 0; }
  .mobile-toggle { display: flex !important; }
}

@media (max-width: 768px) {
  .hero { padding: 32px 20px; }
  .hero h1 { font-size: 26px; }
  .section { padding: 24px 20px; }
  .industry-grid { grid-template-columns: repeat(2, 1fr); gap: 12px; }
  .feature-grid { grid-template-columns: 1fr 1fr; }
  .footer-grid { grid-template-columns: 1fr 1fr; }
  .header-search input { width: 140px; }
  .header-slogan { font-size: 12px; }
  .header-sub-slogan { font-size: 9px; }
}

/* ========== 移动端菜单按钮 ========== */
.mobile-toggle {
  display: none;
  position: fixed;
  top: 12px;
  left: 12px;
  width: 40px;
  height: 40px;
  background: var(--green-main);
  border: none;
  border-radius: 10px;
  color: var(--white);
  font-size: 18px;
  cursor: pointer;
  z-index: 200;
  align-items: center;
  justify-content: center;
  box-shadow: 0 2px 8px rgba(0,0,0,0.15);
}

/* ========== 搜索覆盖层 ========== */
.search-overlay {
  display: none;
  position: fixed;
  top: 0; left: 0; right: 0; bottom: 0;
  background: rgba(0,0,0,0.5);
  z-index: 300;
  justify-content: center;
  align-items: flex-start;
  padding-top: 120px;
}

.search-overlay.active {
  display: flex;
}

.search-box {
  background: var(--white);
  border-radius: 16px;
  padding: 24px;
  width: 90%;
  max-width: 560px;
  box-shadow: 0 20px 60px rgba(0,0,0,0.2);
}

.search-box input {
  width: 100%;
  padding: 14px 18px;
  border: 2px solid var(--green-pale);
  border-radius: 12px;
  font-size: 16px;
  font-family: inherit;
  outline: none;
  transition: border-color 0.3s;
}

.search-box input:focus {
  border-color: var(--green-main);
}

.search-results {
  margin-top: 16px;
  max-height: 300px;
  overflow-y: auto;
}

.search-result-item {
  padding: 12px 16px;
  border-radius: 8px;
  cursor: pointer;
  transition: background 0.2s;
  display: flex;
  align-items: center;
  gap: 12px;
}

.search-result-item:hover {
  background: var(--green-bg);
}

.search-result-item .sr-emoji {
  font-size: 20px;
}

.search-result-item .sr-text {
  font-size: 14px;
  color: var(--gray-700);
}