/* ===== 深圳市光盛人力资源有限公司 - 全局样式 ===== */
/* 配色：深蓝商务风 | 人力资源服务行业 */

:root {
  --primary: #1E40AF;
  --primary-dark: #1E3A8A;
  --primary-light: #3B82F6;
  --primary-50: #EFF6FF;
  --primary-100: #DBEAFE;
  --accent: #F59E0B;
  --accent-dark: #D97706;
  --success: #10B981;
  --danger: #EF4444;
  --gray-900: #111827;
  --gray-800: #1F2937;
  --gray-700: #374151;
  --gray-600: #4B5563;
  --gray-500: #6B7280;
  --gray-400: #9CA3AF;
  --gray-300: #D1D5DB;
  --gray-200: #E5E7EB;
  --gray-100: #F3F4F6;
  --gray-50: #F9FAFB;
  --white: #FFFFFF;
  --radius: 8px;
  --radius-lg: 12px;
  --shadow-sm: 0 1px 2px rgba(0,0,0,0.05);
  --shadow: 0 1px 3px rgba(0,0,0,0.1), 0 1px 2px rgba(0,0,0,0.06);
  --shadow-md: 0 4px 6px rgba(0,0,0,0.07), 0 2px 4px rgba(0,0,0,0.06);
  --shadow-lg: 0 10px 15px rgba(0,0,0,0.1), 0 4px 6px rgba(0,0,0,0.05);
  --shadow-xl: 0 20px 25px rgba(0,0,0,0.1), 0 10px 10px rgba(0,0,0,0.04);
  --max-width: 1200px;
  --nav-height: 72px;
  --font-sans: -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", "Helvetica Neue", Helvetica, Arial, sans-serif;
}

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

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

body {
  font-family: var(--font-sans);
  font-size: 16px;
  line-height: 1.7;
  color: var(--gray-800);
  background: var(--white);
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

a { color: var(--primary); text-decoration: none; transition: color 0.2s; }
a:hover { color: var(--primary-dark); }

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

ul, ol { list-style: none; }

h1, h2, h3, h4, h5, h6 { font-weight: 700; line-height: 1.3; color: var(--gray-900); }
h1 { font-size: 2.5rem; }
h2 { font-size: 2rem; }
h3 { font-size: 1.5rem; }
h4 { font-size: 1.25rem; }

p { margin-bottom: 1rem; }

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

/* ===== 导航栏 ===== */
.navbar {
  position: fixed; top: 0; left: 0; right: 0; z-index: 1000;
  height: var(--nav-height);
  background: rgba(255,255,255,0.95);
  backdrop-filter: blur(10px);
  border-bottom: 1px solid var(--gray-200);
  transition: box-shadow 0.3s;
}
.navbar.scrolled { box-shadow: var(--shadow-md); }
.nav-inner {
  max-width: var(--max-width); margin: 0 auto; padding: 0 24px;
  height: 100%; display: flex; align-items: center; justify-content: space-between;
}
.nav-logo { display: flex; align-items: center; gap: 10px; font-weight: 800; font-size: 1.25rem; color: var(--primary-dark); }
.nav-logo .logo-mark {
  width: 40px; height: 40px; background: linear-gradient(135deg, var(--primary), var(--primary-light));
  border-radius: 8px; display: flex; align-items: center; justify-content: center;
  color: white; font-weight: 900; font-size: 1.1rem;
}
.nav-menu { display: flex; align-items: center; gap: 4px; }
.nav-menu > li { position: relative; }
.nav-menu > li > a {
  display: block; padding: 10px 16px; color: var(--gray-700); font-weight: 500;
  font-size: 0.95rem; border-radius: 6px; transition: all 0.2s;
}
.nav-menu > li > a:hover, .nav-menu > li > a.active { color: var(--primary); background: var(--primary-50); }
.nav-dropdown {
  position: absolute; top: 100%; left: 0; min-width: 200px;
  background: var(--white); border-radius: var(--radius); box-shadow: var(--shadow-lg);
  border: 1px solid var(--gray-100); padding: 8px 0; opacity: 0; visibility: hidden;
  transform: translateY(8px); transition: all 0.25s;
}
.nav-menu > li:hover .nav-dropdown { opacity: 1; visibility: visible; transform: translateY(0); }
.nav-dropdown a { display: block; padding: 10px 20px; color: var(--gray-700); font-size: 0.9rem; transition: all 0.15s; }
.nav-dropdown a:hover { background: var(--primary-50); color: var(--primary); padding-left: 24px; }
.nav-cta { display: flex; align-items: center; gap: 12px; }
.nav-toggle { display: none; background: none; border: none; cursor: pointer; padding: 8px; }
.nav-toggle span { display: block; width: 24px; height: 2px; background: var(--gray-800); margin: 5px 0; transition: 0.3s; }

/* ===== 按钮 ===== */
.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: 8px;
  padding: 12px 28px; font-size: 1rem; font-weight: 600; border-radius: var(--radius);
  border: 2px solid transparent; cursor: pointer; transition: all 0.25s; text-decoration: none;
  line-height: 1.4; white-space: nowrap;
}
.btn-primary { background: var(--primary); color: var(--white); border-color: var(--primary); }
.btn-primary:hover { background: var(--primary-dark); border-color: var(--primary-dark); color: var(--white); transform: translateY(-2px); box-shadow: var(--shadow-md); }
.btn-accent { background: var(--accent); color: var(--white); border-color: var(--accent); }
.btn-accent:hover { background: var(--accent-dark); border-color: var(--accent-dark); color: var(--white); transform: translateY(-2px); box-shadow: var(--shadow-md); }
.btn-outline { background: transparent; color: var(--primary); border-color: var(--primary); }
.btn-outline:hover { background: var(--primary); color: var(--white); }
.btn-outline-white { background: transparent; color: var(--white); border-color: rgba(255,255,255,0.6); }
.btn-outline-white:hover { background: var(--white); color: var(--primary); border-color: var(--white); }
.btn-lg { padding: 16px 36px; font-size: 1.1rem; }
.btn-sm { padding: 8px 18px; font-size: 0.875rem; }

/* ===== 轮播 ===== */
.hero-carousel { position: relative; height: 600px; overflow: hidden; margin-top: var(--nav-height); }
.carousel-slide {
  position: absolute; inset: 0; opacity: 0; transition: opacity 0.8s ease;
  display: flex; align-items: center;
}
.carousel-slide.active { opacity: 1; z-index: 1; }
.carousel-slide .slide-bg {
  position: absolute; inset: 0; background-size: cover; background-position: center;
}
.carousel-slide .slide-overlay {
  position: absolute; inset: 0;
  background: linear-gradient(135deg, rgba(30,58,138,0.85) 0%, rgba(30,64,175,0.7) 50%, rgba(59,130,246,0.5) 100%);
}
.carousel-slide .slide-content {
  position: relative; z-index: 2; max-width: var(--max-width); margin: 0 auto; padding: 0 24px;
  color: var(--white);
}
.carousel-slide .slide-tag {
  display: inline-block; padding: 6px 16px; background: rgba(255,255,255,0.15);
  border: 1px solid rgba(255,255,255,0.3); border-radius: 50px; font-size: 0.85rem;
  margin-bottom: 20px; backdrop-filter: blur(5px);
}
.carousel-slide h2 { color: var(--white); font-size: 3rem; margin-bottom: 16px; max-width: 650px; }
.carousel-slide p { font-size: 1.2rem; opacity: 0.9; max-width: 550px; margin-bottom: 32px; }
.carousel-slide .slide-btns { display: flex; gap: 16px; flex-wrap: wrap; }
.carousel-nav {
  position: absolute; bottom: 32px; left: 50%; transform: translateX(-50%); z-index: 10;
  display: flex; gap: 10px; align-items: center;
}
.carousel-dot {
  width: 12px; height: 12px; border-radius: 50%; background: rgba(255,255,255,0.4);
  border: none; cursor: pointer; transition: all 0.3s;
}
.carousel-dot.active { background: var(--white); width: 36px; border-radius: 6px; }
.carousel-arrow {
  position: absolute; top: 50%; transform: translateY(-50%); z-index: 10;
  width: 48px; height: 48px; border-radius: 50%; background: rgba(255,255,255,0.15);
  border: 1px solid rgba(255,255,255,0.3); color: var(--white); font-size: 1.5rem;
  cursor: pointer; display: flex; align-items: center; justify-content: center;
  backdrop-filter: blur(5px); transition: all 0.25s;
}
.carousel-arrow:hover { background: rgba(255,255,255,0.3); }
.carousel-arrow.prev { left: 24px; }
.carousel-arrow.next { right: 24px; }

/* ===== 通用区块 ===== */
.section { padding: 80px 0; }
.section-gray { background: var(--gray-50); }
.section-header { text-align: center; max-width: 700px; margin: 0 auto 56px; }
.section-header .section-tag {
  display: inline-block; padding: 6px 16px; background: var(--primary-50); color: var(--primary);
  border-radius: 50px; font-size: 0.85rem; font-weight: 600; margin-bottom: 16px;
}
.section-header h2 { margin-bottom: 16px; }
.section-header p { color: var(--gray-500); font-size: 1.05rem; }

/* ===== 事实条 ===== */
.fact-strip {
  background: linear-gradient(135deg, var(--primary-dark), var(--primary));
  color: var(--white); padding: 48px 0;
}
.fact-grid { display: grid; grid-template-columns: repeat(6, 1fr); gap: 24px; text-align: center; }
.fact-item .fact-num { font-size: 2.5rem; font-weight: 800; margin-bottom: 8px; }
.fact-item .fact-label { font-size: 0.95rem; opacity: 0.85; }

/* ===== 卡片网格 ===== */
.card-grid { display: grid; gap: 24px; }
.card-grid-3 { grid-template-columns: repeat(3, 1fr); }
.card-grid-4 { grid-template-columns: repeat(4, 1fr); }
.card-grid-2 { grid-template-columns: repeat(2, 1fr); }

.card {
  background: var(--white); border-radius: var(--radius-lg); padding: 32px;
  border: 1px solid var(--gray-100); box-shadow: var(--shadow-sm); transition: all 0.3s;
}
.card:hover { transform: translateY(-4px); box-shadow: var(--shadow-lg); border-color: var(--primary-100); }
.card-icon {
  width: 56px; height: 56px; border-radius: 12px; background: var(--primary-50);
  display: flex; align-items: center; justify-content: center; font-size: 1.75rem;
  margin-bottom: 20px;
}
.card h3 { margin-bottom: 12px; font-size: 1.25rem; }
.card p { color: var(--gray-500); font-size: 0.95rem; margin-bottom: 0; }
.card-link { display: inline-flex; align-items: center; gap: 6px; margin-top: 16px; font-weight: 600; font-size: 0.9rem; }

/* ===== 服务卡片 ===== */
.service-card { position: relative; overflow: hidden; }
.service-card .service-num {
  position: absolute; top: 20px; right: 24px; font-size: 3rem; font-weight: 900;
  color: var(--gray-100); line-height: 1;
}

/* ===== 双栏布局 ===== */
.two-col { display: grid; grid-template-columns: 1fr 1fr; gap: 64px; align-items: center; }
.two-col-reverse { direction: rtl; }
.two-col-reverse > * { direction: ltr; }
.col-image { border-radius: var(--radius-lg); overflow: hidden; box-shadow: var(--shadow-lg); }
.col-image img { width: 100%; height: 400px; object-fit: cover; }
.col-content h2 { margin-bottom: 20px; }
.col-content p { color: var(--gray-600); margin-bottom: 16px; }
.col-content ul { margin-bottom: 24px; }
.col-content ul li {
  padding: 8px 0 8px 28px; position: relative; color: var(--gray-700);
}
.col-content ul li::before {
  content: "✓"; position: absolute; left: 0; top: 8px; width: 20px; height: 20px;
  background: var(--success); color: white; border-radius: 50%; font-size: 0.75rem;
  display: flex; align-items: center; justify-content: center; font-weight: 700;
}

/* ===== FAQ ===== */
.faq-list { max-width: 800px; margin: 0 auto; }
.faq-item {
  background: var(--white); border: 1px solid var(--gray-200); border-radius: var(--radius);
  margin-bottom: 12px; overflow: hidden; transition: all 0.25s;
}
.faq-item.active { border-color: var(--primary-100); box-shadow: var(--shadow-md); }
.faq-question {
  padding: 20px 24px; cursor: pointer; display: flex; justify-content: space-between;
  align-items: center; font-weight: 600; color: var(--gray-800); font-size: 1rem;
  transition: color 0.2s;
}
.faq-question:hover { color: var(--primary); }
.faq-question .faq-toggle {
  width: 28px; height: 28px; border-radius: 50%; background: var(--gray-100);
  display: flex; align-items: center; justify-content: center; font-size: 1.2rem;
  transition: all 0.3s; flex-shrink: 0; margin-left: 16px;
}
.faq-item.active .faq-toggle { background: var(--primary); color: white; transform: rotate(45deg); }
.faq-answer {
  max-height: 0; overflow: hidden; transition: max-height 0.35s ease;
}
.faq-answer-inner { padding: 0 24px 20px; color: var(--gray-600); line-height: 1.8; }
.faq-item.active .faq-answer { max-height: 500px; }

/* ===== CTA 区块 ===== */
.cta-section {
  background: linear-gradient(135deg, var(--primary-dark) 0%, var(--primary) 50%, var(--primary-light) 100%);
  color: var(--white); padding: 80px 0; text-align: center; position: relative; overflow: hidden;
}
.cta-section::before {
  content: ""; position: absolute; top: -50%; right: -10%; width: 600px; height: 600px;
  background: radial-gradient(circle, rgba(255,255,255,0.08) 0%, transparent 70%);
  border-radius: 50%;
}
.cta-section h2 { color: var(--white); margin-bottom: 16px; position: relative; }
.cta-section p { font-size: 1.1rem; opacity: 0.9; max-width: 600px; margin: 0 auto 32px; position: relative; }
.cta-section .btn-accent { position: relative; }

/* ===== 页脚 ===== */
.footer { background: var(--gray-900); color: var(--gray-400); padding: 64px 0 0; }
.footer-grid { display: grid; grid-template-columns: 2fr 1fr 1fr 1fr; gap: 48px; margin-bottom: 48px; }
.footer-brand .footer-logo { display: flex; align-items: center; gap: 10px; color: var(--white); font-weight: 800; font-size: 1.25rem; margin-bottom: 16px; }
.footer-brand .footer-logo .logo-mark {
  width: 40px; height: 40px; background: linear-gradient(135deg, var(--primary), var(--primary-light));
  border-radius: 8px; display: flex; align-items: center; justify-content: center;
  color: white; font-weight: 900;
}
.footer-brand p { font-size: 0.9rem; line-height: 1.8; margin-bottom: 16px; }
.footer h4 { color: var(--white); font-size: 1rem; margin-bottom: 20px; }
.footer-links li { margin-bottom: 10px; }
.footer-links a { color: var(--gray-400); font-size: 0.9rem; transition: color 0.2s; }
.footer-links a:hover { color: var(--white); }
.footer-contact li { margin-bottom: 12px; font-size: 0.9rem; display: flex; gap: 8px; align-items: flex-start; }
.footer-contact li span { flex: 1; min-width: 0; line-height: 1.7; }
.footer-contact a { color: var(--gray-300); font-weight: 600; transition: color 0.2s; }
.footer-contact a:hover { color: var(--white); }
.footer-bottom {
  border-top: 1px solid var(--gray-800); padding: 24px 0;
  display: flex; justify-content: space-between; align-items: center; flex-wrap: wrap; gap: 12px;
  font-size: 0.85rem;
}
.footer-bottom a { color: var(--gray-400); }
.footer-bottom a:hover { color: var(--white); }

/* ===== 面包屑 ===== */
.breadcrumb {
  margin-top: var(--nav-height); padding: 20px 0; background: var(--gray-50);
  border-bottom: 1px solid var(--gray-200);
}
.breadcrumb-inner { display: flex; align-items: center; gap: 8px; font-size: 0.9rem; color: var(--gray-500); }
.breadcrumb-inner a { color: var(--gray-500); }
.breadcrumb-inner a:hover { color: var(--primary); }
.breadcrumb-inner .separator { color: var(--gray-400); }
.breadcrumb-inner .current { color: var(--gray-800); font-weight: 500; }

/* ===== 页面标题区 ===== */
.page-hero {
  margin-top: var(--nav-height); padding: 80px 0;
  background: linear-gradient(135deg, var(--primary-dark), var(--primary));
  color: var(--white); text-align: center;
}
.page-hero h1 { color: var(--white); margin-bottom: 16px; }
.page-hero p { font-size: 1.15rem; opacity: 0.9; max-width: 600px; margin: 0 auto; }

/* ===== 文章列表 ===== */
.article-list { display: grid; gap: 24px; }
.article-card {
  display: grid; grid-template-columns: 280px 1fr; gap: 24px;
  background: var(--white); border-radius: var(--radius-lg); overflow: hidden;
  border: 1px solid var(--gray-100); box-shadow: var(--shadow-sm); transition: all 0.3s;
}
.article-card:hover { transform: translateY(-3px); box-shadow: var(--shadow-lg); }
.article-card .article-thumb { height: 100%; min-height: 180px; background-size: cover; background-position: center; }
.article-card .article-body { padding: 24px 24px 24px 0; }
.article-card .article-meta { display: flex; gap: 16px; font-size: 0.85rem; color: var(--gray-500); margin-bottom: 10px; }
.article-card .article-category { display: inline-block; padding: 3px 10px; background: var(--primary-50); color: var(--primary); border-radius: 4px; font-size: 0.8rem; font-weight: 600; }
.article-card h3 { margin-bottom: 10px; font-size: 1.2rem; }
.article-card h3 a { color: var(--gray-900); }
.article-card h3 a:hover { color: var(--primary); }
.article-card p { color: var(--gray-500); font-size: 0.92rem; margin-bottom: 0; }

/* ===== 文章详情 ===== */
.article-detail { max-width: 800px; margin: 0 auto; }
.article-detail .article-header { text-align: center; margin-bottom: 40px; }
.article-detail .article-category { display: inline-block; padding: 4px 14px; background: var(--primary-50); color: var(--primary); border-radius: 50px; font-size: 0.85rem; font-weight: 600; margin-bottom: 16px; }
.article-detail h1 { margin-bottom: 16px; font-size: 2.2rem; }
.article-detail .article-meta { display: flex; justify-content: center; gap: 24px; font-size: 0.9rem; color: var(--gray-500); }
.article-detail .article-cover { width: 100%; height: 400px; object-fit: cover; border-radius: var(--radius-lg); margin-bottom: 40px; }
.article-detail .article-body { font-size: 1.05rem; line-height: 2; color: var(--gray-700); }
.article-detail .article-body h2 { margin: 32px 0 16px; font-size: 1.6rem; }
.article-detail .article-body h3 { margin: 24px 0 12px; font-size: 1.3rem; }
.article-detail .article-body p { margin-bottom: 1.2rem; }
.article-detail .article-body ul, .article-detail .article-body ol { margin: 16px 0; padding-left: 24px; }
.article-detail .article-body li { margin-bottom: 8px; }
.article-detail .article-body blockquote {
  border-left: 4px solid var(--primary); padding: 16px 24px; background: var(--primary-50);
  border-radius: 0 var(--radius) var(--radius) 0; margin: 24px 0; color: var(--gray-700);
}

/* ===== 表单 ===== */
.form-group { margin-bottom: 20px; }
.form-group label { display: block; margin-bottom: 8px; font-weight: 600; color: var(--gray-700); font-size: 0.95rem; }
.form-control {
  width: 100%; padding: 12px 16px; border: 1px solid var(--gray-300); border-radius: var(--radius);
  font-size: 1rem; font-family: inherit; transition: all 0.2s; background: var(--white);
}
.form-control:focus { outline: none; border-color: var(--primary); box-shadow: 0 0 0 3px var(--primary-100); }
textarea.form-control { resize: vertical; min-height: 120px; }
.form-row { display: grid; grid-template-columns: 1fr 1fr; gap: 20px; }

/* ===== 后台样式 ===== */
.admin-body { background: var(--gray-50); }
.admin-login {
  min-height: 100vh; display: flex; align-items: center; justify-content: center;
  background: linear-gradient(135deg, var(--primary-dark), var(--primary));
  padding: 24px;
}
.admin-login-box {
  background: var(--white); border-radius: var(--radius-lg); padding: 48px;
  width: 100%; max-width: 420px; box-shadow: var(--shadow-xl);
}
.admin-login-box h2 { text-align: center; margin-bottom: 8px; }
.admin-login-box .login-sub { text-align: center; color: var(--gray-500); margin-bottom: 32px; font-size: 0.95rem; }
.admin-layout { display: flex; min-height: 100vh; }
.admin-sidebar {
  width: 260px; background: var(--gray-900); color: var(--white); padding: 24px 0;
  position: fixed; top: 0; left: 0; bottom: 0; overflow-y: auto; z-index: 100;
}
.admin-sidebar .sidebar-logo {
  padding: 0 24px 24px; border-bottom: 1px solid var(--gray-800); margin-bottom: 16px;
  font-weight: 800; font-size: 1.1rem; display: flex; align-items: center; gap: 10px;
}
.admin-sidebar .sidebar-logo .logo-mark {
  width: 36px; height: 36px; background: linear-gradient(135deg, var(--primary), var(--primary-light));
  border-radius: 8px; display: flex; align-items: center; justify-content: center; font-weight: 900;
}
.admin-nav a {
  display: flex; align-items: center; gap: 12px; padding: 12px 24px; color: var(--gray-400);
  font-size: 0.95rem; transition: all 0.2s; border-left: 3px solid transparent;
}
.admin-nav a:hover, .admin-nav a.active { background: var(--gray-800); color: var(--white); border-left-color: var(--primary-light); }
.admin-nav a .nav-icon { width: 20px; text-align: center; }
.admin-main { flex: 1; margin-left: 260px; padding: 24px 32px; }
.admin-header {
  display: flex; justify-content: space-between; align-items: center; margin-bottom: 32px;
}
.admin-header h1 { font-size: 1.75rem; }
.admin-header .admin-user { display: flex; align-items: center; gap: 12px; }
.admin-header .admin-user .avatar {
  width: 40px; height: 40px; border-radius: 50%; background: var(--primary); color: white;
  display: flex; align-items: center; justify-content: center; font-weight: 700;
}
.stat-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 20px; margin-bottom: 32px; }
.stat-card {
  background: var(--white); border-radius: var(--radius-lg); padding: 24px;
  border: 1px solid var(--gray-100); box-shadow: var(--shadow-sm);
}
.stat-card .stat-label { color: var(--gray-500); font-size: 0.9rem; margin-bottom: 8px; }
.stat-card .stat-value { font-size: 2rem; font-weight: 800; color: var(--gray-900); }
.stat-card .stat-change { font-size: 0.85rem; margin-top: 4px; }
.stat-card .stat-change.up { color: var(--success); }
.stat-card .stat-change.down { color: var(--danger); }
.admin-card {
  background: var(--white); border-radius: var(--radius-lg); padding: 24px;
  border: 1px solid var(--gray-100); box-shadow: var(--shadow-sm); margin-bottom: 24px;
}
.admin-card h3 { margin-bottom: 16px; font-size: 1.15rem; }
.admin-table { width: 100%; border-collapse: collapse; }
.admin-table th, .admin-table td { padding: 12px 16px; text-align: left; border-bottom: 1px solid var(--gray-100); }
.admin-table th { background: var(--gray-50); font-weight: 600; color: var(--gray-600); font-size: 0.85rem; text-transform: uppercase; letter-spacing: 0.5px; }
.admin-table td { font-size: 0.92rem; }
.admin-table tr:hover { background: var(--gray-50); }
.badge { display: inline-block; padding: 3px 10px; border-radius: 50px; font-size: 0.8rem; font-weight: 600; }
.badge-success { background: #D1FAE5; color: #065F46; }
.badge-warning { background: #FEF3C7; color: #92400E; }
.badge-danger { background: #FEE2E2; color: #991B1B; }
.badge-info { background: #DBEAFE; color: #1E40AF; }
.action-btns { display: flex; gap: 8px; }
.action-btn {
  padding: 6px 12px; border-radius: 6px; font-size: 0.82rem; font-weight: 600;
  border: none; cursor: pointer; transition: all 0.2s;
}
.action-btn.edit { background: var(--primary-50); color: var(--primary); }
.action-btn.edit:hover { background: var(--primary); color: white; }
.action-btn.delete { background: #FEE2E2; color: #991B1B; }
.action-btn.delete:hover { background: var(--danger); color: white; }

/* ===== 响应式 ===== */
@media (max-width: 1024px) {
  .card-grid-4 { grid-template-columns: repeat(2, 1fr); }
  .fact-grid { grid-template-columns: repeat(2, 1fr); gap: 24px; }
  .footer-grid { grid-template-columns: 1fr 1fr; gap: 32px; }
  .stat-grid { grid-template-columns: repeat(2, 1fr); }
}

@media (max-width: 768px) {
  h1 { font-size: 2rem; }
  h2 { font-size: 1.6rem; }
  .section { padding: 56px 0; }
  .nav-menu { display: none; position: absolute; top: var(--nav-height); left: 0; right: 0; background: var(--white); flex-direction: column; padding: 16px; box-shadow: var(--shadow-lg); border-top: 1px solid var(--gray-100); }
  .nav-menu.open { display: flex; }
  .nav-menu > li { width: 100%; }
  .nav-menu > li > a { padding: 12px 16px; }
  .nav-dropdown { position: static; box-shadow: none; border: none; opacity: 1; visibility: visible; transform: none; display: none; padding-left: 16px; }
  .nav-menu > li:hover .nav-dropdown { display: block; }
  .nav-toggle { display: block; }
  .nav-cta .btn { display: none; }
  .hero-carousel { height: 480px; }
  .carousel-slide h1 { font-size: 1.8rem; }
  .carousel-slide p { font-size: 1rem; }
  .carousel-arrow { width: 40px; height: 40px; font-size: 1.2rem; }
  .carousel-arrow.prev { left: 12px; }
  .carousel-arrow.next { right: 12px; }
  .card-grid-3, .card-grid-2 { grid-template-columns: 1fr; }
  .two-col { grid-template-columns: 1fr; gap: 32px; }
  .col-image img { height: 280px; }
  .article-card { grid-template-columns: 1fr; }
  .article-card .article-thumb { height: 200px; }
  .article-card .article-body { padding: 0 24px 24px; }
  .footer-grid { grid-template-columns: 1fr; gap: 32px; }
  .footer-bottom { flex-direction: column; text-align: center; }
  .form-row { grid-template-columns: 1fr; }
  .admin-sidebar { width: 60px; padding: 16px 0; }
  .admin-sidebar .sidebar-logo span, .admin-nav a span { display: none; }
  .admin-sidebar .sidebar-logo { justify-content: center; padding: 0 0 16px; }
  .admin-nav a { justify-content: center; padding: 14px; }
  .admin-main { margin-left: 60px; padding: 16px; }
  .stat-grid { grid-template-columns: 1fr 1fr; gap: 12px; }
  .stat-card { padding: 16px; }
  .stat-card .stat-value { font-size: 1.5rem; }
  .fact-grid { grid-template-columns: 1fr 1fr; }
  .fact-item .fact-num { font-size: 2rem; }
  .page-hero { padding: 56px 0; }
  .page-hero h1 { font-size: 1.8rem; }
  .article-detail h1 { font-size: 1.6rem; }
  .article-detail .article-cover { height: 240px; }
}

@media (max-width: 480px) {
  .card-grid-4 { grid-template-columns: 1fr; }
  .stat-grid { grid-template-columns: 1fr; }
  .carousel-slide .slide-btns { flex-direction: column; }
  .carousel-slide .slide-btns .btn { width: 100%; }
}

/* ===== 工具类 ===== */
.text-center { text-align: center; }
.text-primary { color: var(--primary); }
.text-accent { color: var(--accent); }
.text-gray { color: var(--gray-500); }
.mt-1 { margin-top: 8px; }
.mt-2 { margin-top: 16px; }
.mt-3 { margin-top: 24px; }
.mt-4 { margin-top: 32px; }
.mb-1 { margin-bottom: 8px; }
.mb-2 { margin-bottom: 16px; }
.mb-3 { margin-bottom: 24px; }
.mb-4 { margin-bottom: 32px; }
.flex { display: flex; }
.flex-center { display: flex; align-items: center; justify-content: center; }
.flex-between { display: flex; align-items: center; justify-content: space-between; }
.gap-2 { gap: 16px; }
.gap-3 { gap: 24px; }
.hidden { display: none !important; }

/* ===== 减少动画偏好 ===== */
@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after { animation-duration: 0.01ms !important; transition-duration: 0.01ms !important; }
  html { scroll-behavior: auto; }
}

/* ===== 无障碍隐藏（SEO H1） ===== */
.sr-only {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border: 0;
}