/* =====================================================
   易雨城IT技术服务 - 主样式文件
   www.eycit.com
===================================================== */

/* CSS变量 */
:root {
  --primary: #1a6fd4;
  --primary-dark: #1456a8;
  --primary-light: #e8f0fd;
  --secondary: #0ea5e9;
  --accent: #f59e0b;
  --success: #10b981;
  --danger: #ef4444;
  --text-dark: #1e293b;
  --text-gray: #64748b;
  --text-light: #94a3b8;
  --bg-light: #f8fafc;
  --bg-white: #ffffff;
  --border: #e2e8f0;
  --shadow: 0 2px 15px rgba(0,0,0,0.08);
  --shadow-hover: 0 8px 30px rgba(26,111,212,0.15);
  --radius: 12px;
  --radius-sm: 8px;
  --transition: all 0.3s ease;
  --font: 'PingFang SC', 'Microsoft YaHei', 'Helvetica Neue', Arial, sans-serif;
}

/* 重置 */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; font-size: 16px; }
body { font-family: var(--font); color: var(--text-dark); background: var(--bg-white); line-height: 1.6; }
a { color: var(--primary); text-decoration: none; transition: var(--transition); }
a:hover { color: var(--primary-dark); }
img { max-width: 100%; height: auto; display: block; }
ul { list-style: none; }

/* 容器 */
.container { max-width: 1200px; margin: 0 auto; padding: 0 20px; }

/* 辅助类 */
.ml-20 { margin-left: 20px; }
.mt-15 { margin-top: 15px; }
.text-green { color: var(--success); }
.small { font-size: 0.85em; color: var(--text-gray); }

/* ========================
   顶部公告条
======================== */
.top-bar {
  background: var(--text-dark);
  color: #94a3b8;
  font-size: 13px;
  padding: 6px 0;
}
.top-bar .container { display: flex; justify-content: space-between; align-items: center; flex-wrap: wrap; gap: 5px; }
.top-bar-right a { color: #94a3b8; margin-left: 15px; }
.top-bar-right a:hover { color: #fff; }

/* ========================
   主导航
======================== */
.main-header {
  background: var(--bg-white);
  box-shadow: 0 2px 10px rgba(0,0,0,0.06);
  position: sticky;
  top: 0;
  z-index: 1000;
  transition: var(--transition);
}
.main-header.scrolled { box-shadow: 0 4px 20px rgba(0,0,0,0.12); }
.header-inner { display: flex; align-items: center; justify-content: space-between; height: 70px; gap: 20px; }

/* Logo */
.logo-text { display: flex; align-items: center; gap: 10px; }
.logo-icon { width: 42px; height: 42px; background: var(--primary); border-radius: 10px; display: flex; align-items: center; justify-content: center; color: #fff; font-size: 20px; }
.logo-name { font-size: 1.2rem; font-weight: 700; color: var(--text-dark); }

/* 导航菜单 */
.main-nav ul { display: flex; gap: 5px; }
.main-nav li { position: relative; }
.main-nav > ul > li > a {
  display: block; padding: 8px 16px; font-size: 15px; color: var(--text-dark);
  border-radius: var(--radius-sm); transition: var(--transition);
}
.main-nav > ul > li > a:hover,
.main-nav > ul > li.active > a { color: var(--primary); background: var(--primary-light); }
.main-nav li.has-dropdown > a::after { content: ''; }

/* 下拉菜单 */
.dropdown {
  position: absolute; top: 100%; left: 0; min-width: 200px;
  background: var(--bg-white); border-radius: var(--radius); box-shadow: 0 10px 40px rgba(0,0,0,0.12);
  padding: 8px 0; opacity: 0; visibility: hidden; transform: translateY(10px);
  transition: var(--transition); z-index: 100;
}
.main-nav li:hover .dropdown { opacity: 1; visibility: visible; transform: translateY(0); }
.dropdown li a { display: flex; align-items: center; gap: 10px; padding: 10px 20px; color: var(--text-dark); font-size: 14px; }
.dropdown li a:hover { background: var(--primary-light); color: var(--primary); }
.dropdown li a i { width: 18px; color: var(--primary); }

/* 右侧按钮 */
.header-actions { display: flex; align-items: center; gap: 10px; flex-shrink: 0; }
.btn-consult {
  background: var(--primary); color: #fff !important; padding: 9px 20px; border-radius: 25px;
  font-size: 14px; font-weight: 600; white-space: nowrap;
  box-shadow: 0 4px 15px rgba(26,111,212,0.3);
}
.btn-consult:hover { background: var(--primary-dark); transform: translateY(-1px); box-shadow: 0 6px 20px rgba(26,111,212,0.4); }

/* 移动端菜单按钮 */
.mobile-menu-btn { display: none; background: none; border: none; cursor: pointer; padding: 5px; }
.mobile-menu-btn span { display: block; width: 24px; height: 2px; background: var(--text-dark); margin: 5px 0; transition: var(--transition); }

/* ========================
   通用按钮
======================== */
.btn { display: inline-flex; align-items: center; gap: 8px; padding: 12px 28px; border-radius: 25px; font-size: 15px; font-weight: 600; cursor: pointer; transition: var(--transition); border: none; text-decoration: none; }
.btn-primary { background: var(--primary); color: #fff; box-shadow: 0 4px 15px rgba(26,111,212,0.3); }
.btn-primary:hover { background: var(--primary-dark); color: #fff; transform: translateY(-2px); box-shadow: 0 8px 25px rgba(26,111,212,0.4); }
.btn-outline { background: transparent; color: var(--primary); border: 2px solid var(--primary); }
.btn-outline:hover { background: var(--primary); color: #fff; }
.btn-white { background: #fff; color: var(--primary); }
.btn-white:hover { background: var(--primary-light); }
.btn-sm { padding: 8px 18px; font-size: 13px; }
.btn-lg { padding: 15px 36px; font-size: 17px; }
.btn-block { width: 100%; justify-content: center; }

/* ========================
   Section通用
======================== */
.section { padding: 70px 0; }
.section-bg { background: var(--bg-light); }
.section-header { text-align: center; margin-bottom: 50px; }
.section-badge { display: inline-block; background: var(--primary-light); color: var(--primary); padding: 5px 16px; border-radius: 20px; font-size: 13px; font-weight: 600; margin-bottom: 15px; }
.section-title { font-size: 2rem; font-weight: 800; color: var(--text-dark); margin-bottom: 12px; }
.section-subtitle { font-size: 1.05rem; color: var(--text-gray); max-width: 560px; margin: 0 auto; }
.section-more { text-align: center; margin-top: 40px; }

/* ========================
   Hero 首页Banner
======================== */
.hero {
  background: linear-gradient(135deg, #0f172a 0%, #1a3a6e 50%, #1a6fd4 100%);
  color: #fff; padding: 90px 0 80px; position: relative; overflow: hidden;
}
.hero::before {
  content: ''; position: absolute; top: 0; left: 0; right: 0; bottom: 0;
  background: url('/assets/images/hero-bg.svg') center/cover no-repeat; opacity: 0.05;
}
.hero-inner { display: grid; grid-template-columns: 1fr 1fr; gap: 60px; align-items: center; position: relative; }
.hero-badge { display: inline-flex; align-items: center; gap: 8px; background: rgba(255,255,255,0.15); backdrop-filter: blur(10px); border: 1px solid rgba(255,255,255,0.2); border-radius: 25px; padding: 6px 18px; font-size: 13px; margin-bottom: 20px; }
.hero-badge .dot { width: 8px; height: 8px; background: var(--success); border-radius: 50%; animation: pulse 1.5s infinite; }
@keyframes pulse { 0%,100%{opacity:1;transform:scale(1)} 50%{opacity:0.7;transform:scale(1.2)} }
.hero-title { font-size: 2.8rem; font-weight: 900; line-height: 1.2; margin-bottom: 15px; }
.hero-title .highlight { color: var(--accent); }
.hero-subtitle { font-size: 1.2rem; color: rgba(255,255,255,0.8); margin-bottom: 15px; }
.hero-desc { color: rgba(255,255,255,0.65); line-height: 1.7; margin-bottom: 30px; }
.hero-btns { display: flex; gap: 15px; flex-wrap: wrap; }
.hero-stats { display: flex; gap: 30px; margin-top: 40px; padding-top: 30px; border-top: 1px solid rgba(255,255,255,0.15); }
.hero-stat-num { font-size: 2rem; font-weight: 800; color: #fff; }
.hero-stat-label { font-size: 13px; color: rgba(255,255,255,0.6); }

/* Hero右侧卡片 */
.hero-card {
  background: rgba(255,255,255,0.1); backdrop-filter: blur(20px);
  border: 1px solid rgba(255,255,255,0.2); border-radius: 20px; padding: 30px;
}
.hero-service-list { display: grid; grid-template-columns: 1fr 1fr; gap: 15px; }
.hero-service-item {
  background: rgba(255,255,255,0.1); border-radius: var(--radius); padding: 18px;
  text-align: center; transition: var(--transition); cursor: pointer;
}
.hero-service-item:hover { background: rgba(255,255,255,0.2); transform: translateY(-3px); }
.hero-service-item i { font-size: 28px; color: var(--accent); margin-bottom: 10px; display: block; }
.hero-service-item span { font-size: 14px; color: rgba(255,255,255,0.9); }

/* ========================
   服务卡片
======================== */
.services-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 25px; }
.service-card {
  background: var(--bg-white); border-radius: var(--radius); padding: 30px 25px;
  box-shadow: var(--shadow); transition: var(--transition); position: relative; overflow: hidden;
  border: 1px solid var(--border); cursor: pointer;
}
.service-card::before { content: ''; position: absolute; top: 0; left: 0; right: 0; height: 4px; background: linear-gradient(90deg, var(--primary), var(--secondary)); transform: scaleX(0); transform-origin: left; transition: var(--transition); }
.service-card:hover { transform: translateY(-6px); box-shadow: var(--shadow-hover); border-color: var(--primary-light); }
.service-card:hover::before { transform: scaleX(1); }
.service-icon { width: 60px; height: 60px; background: var(--primary-light); border-radius: var(--radius); display: flex; align-items: center; justify-content: center; font-size: 26px; color: var(--primary); margin-bottom: 20px; transition: var(--transition); }
.service-card:hover .service-icon { background: var(--primary); color: #fff; }
.service-name { font-size: 1.1rem; font-weight: 700; color: var(--text-dark); margin-bottom: 10px; }
.service-desc { font-size: 14px; color: var(--text-gray); line-height: 1.6; margin-bottom: 15px; }
.service-price { font-size: 14px; color: var(--primary); font-weight: 600; }
.service-arrow { position: absolute; bottom: 20px; right: 20px; color: var(--border); font-size: 18px; transition: var(--transition); }
.service-card:hover .service-arrow { color: var(--primary); transform: translateX(3px); }

/* ========================
   文章卡片
======================== */
.articles-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 25px; }
.article-card { background: var(--bg-white); border-radius: var(--radius); overflow: hidden; box-shadow: var(--shadow); transition: var(--transition); border: 1px solid var(--border); }
.article-card:hover { transform: translateY(-4px); box-shadow: var(--shadow-hover); }
.article-cover { aspect-ratio: 16/9; overflow: hidden; background: var(--bg-light); }
.article-cover img { width: 100%; height: 100%; object-fit: cover; transition: var(--transition); }
.article-card:hover .article-cover img { transform: scale(1.05); }
.article-cover-placeholder { width: 100%; height: 100%; display: flex; align-items: center; justify-content: center; font-size: 40px; color: var(--primary); background: var(--primary-light); }
.article-body { padding: 22px; }
.article-meta { display: flex; align-items: center; gap: 12px; font-size: 13px; color: var(--text-light); margin-bottom: 10px; }
.article-category { background: var(--primary-light); color: var(--primary); padding: 2px 10px; border-radius: 10px; font-size: 12px; }
.article-title { font-size: 1.05rem; font-weight: 700; color: var(--text-dark); margin-bottom: 10px; line-height: 1.4; }
.article-title a { color: inherit; }
.article-title a:hover { color: var(--primary); }
.article-excerpt { font-size: 14px; color: var(--text-gray); line-height: 1.6; display: -webkit-box; -webkit-line-clamp: 2; -webkit-box-orient: vertical; overflow: hidden; }
.article-footer { padding: 12px 22px; border-top: 1px solid var(--border); display: flex; justify-content: space-between; align-items: center; font-size: 13px; color: var(--text-light); }

/* ========================
   软件卡片
======================== */
.software-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 20px; }
.software-card { background: var(--bg-white); border-radius: var(--radius); padding: 22px; box-shadow: var(--shadow); transition: var(--transition); border: 1px solid var(--border); }
.software-card:hover { transform: translateY(-4px); box-shadow: var(--shadow-hover); }
.software-icon { width: 55px; height: 55px; border-radius: var(--radius-sm); object-fit: cover; margin-bottom: 14px; }
.software-icon-placeholder { width: 55px; height: 55px; background: var(--primary-light); border-radius: var(--radius-sm); display: flex; align-items: center; justify-content: center; font-size: 24px; color: var(--primary); margin-bottom: 14px; }
.software-name { font-size: 1rem; font-weight: 700; color: var(--text-dark); margin-bottom: 6px; }
.software-info { display: flex; gap: 10px; font-size: 12px; color: var(--text-light); margin-bottom: 12px; }
.software-badge { background: var(--bg-light); padding: 2px 8px; border-radius: 4px; }
.software-free { background: #d1fae5; color: #065f46; }
.software-desc { font-size: 13px; color: var(--text-gray); line-height: 1.5; margin-bottom: 15px; display: -webkit-box; -webkit-line-clamp: 2; -webkit-box-orient: vertical; overflow: hidden; }
.download-btn { display: flex; align-items: center; justify-content: center; gap: 6px; background: var(--primary-light); color: var(--primary); border-radius: 8px; padding: 8px; font-size: 13px; font-weight: 600; transition: var(--transition); }
.download-btn:hover { background: var(--primary); color: #fff; }

/* ========================
   为什么选择我们
======================== */
.why-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 25px; }
.why-item { text-align: center; padding: 30px 20px; }
.why-icon { width: 80px; height: 80px; background: linear-gradient(135deg, var(--primary), var(--secondary)); border-radius: 20px; display: flex; align-items: center; justify-content: center; font-size: 32px; color: #fff; margin: 0 auto 20px; box-shadow: 0 8px 25px rgba(26,111,212,0.25); }
.why-title { font-size: 1.1rem; font-weight: 700; margin-bottom: 10px; }
.why-desc { font-size: 14px; color: var(--text-gray); line-height: 1.6; }

/* ========================
   联系/咨询表单区域
======================== */
.contact-section { background: linear-gradient(135deg, var(--primary) 0%, #0f3c7e 100%); color: #fff; }
.contact-inner { display: grid; grid-template-columns: 1fr 1fr; gap: 60px; align-items: start; }
.contact-title { font-size: 1.8rem; font-weight: 800; margin-bottom: 15px; }
.contact-subtitle { color: rgba(255,255,255,0.8); margin-bottom: 30px; }
.contact-info-list { display: flex; flex-direction: column; gap: 20px; }
.contact-info-item { display: flex; align-items: flex-start; gap: 15px; }
.contact-info-item i { width: 44px; height: 44px; background: rgba(255,255,255,0.15); border-radius: var(--radius-sm); display: flex; align-items: center; justify-content: center; font-size: 18px; flex-shrink: 0; }
.contact-info-item strong { display: block; font-size: 15px; margin-bottom: 3px; }
.contact-info-item span, .contact-info-item a { color: rgba(255,255,255,0.8); font-size: 14px; }

/* 表单 */
.contact-form { background: var(--bg-white); border-radius: 16px; padding: 35px; }
.form-title { font-size: 1.3rem; font-weight: 700; color: var(--text-dark); margin-bottom: 25px; }
.form-group { margin-bottom: 18px; }
.form-label { display: block; font-size: 14px; font-weight: 600; color: var(--text-dark); margin-bottom: 7px; }
.form-control {
  width: 100%; padding: 11px 15px; border: 1.5px solid var(--border); border-radius: var(--radius-sm);
  font-size: 15px; color: var(--text-dark); font-family: var(--font); transition: var(--transition);
  background: var(--bg-white);
}
.form-control:focus { outline: none; border-color: var(--primary); box-shadow: 0 0 0 3px rgba(26,111,212,0.1); }
.form-control::placeholder { color: var(--text-light); }
textarea.form-control { resize: vertical; min-height: 100px; }
.form-row { display: grid; grid-template-columns: 1fr 1fr; gap: 15px; }
.required { color: var(--danger); }
.form-tip { font-size: 12px; color: var(--text-light); margin-top: 5px; }

/* ========================
   统计数字
======================== */
.stats-section { background: var(--primary); color: #fff; padding: 50px 0; }
.stats-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 30px; text-align: center; }
.stat-num { font-size: 2.5rem; font-weight: 900; color: #fff; }
.stat-unit { font-size: 1.1rem; font-weight: 700; }
.stat-label { font-size: 14px; color: rgba(255,255,255,0.75); margin-top: 5px; }

/* ========================
   分页
======================== */
.pagination-nav { display: flex; justify-content: center; margin: 40px 0 20px; }
.pagination { display: flex; gap: 8px; flex-wrap: wrap; }
.pagination li a, .pagination li span {
  display: block; width: 38px; height: 38px; line-height: 36px; text-align: center;
  border: 1.5px solid var(--border); border-radius: var(--radius-sm); font-size: 14px; transition: var(--transition);
}
.pagination li a:hover { border-color: var(--primary); color: var(--primary); }
.pagination li.active a { background: var(--primary); border-color: var(--primary); color: #fff; }
.pagination li.disabled span { color: var(--text-light); }

/* ========================
   面包屑
======================== */
.breadcrumb { background: var(--bg-light); padding: 12px 0; font-size: 14px; }
.breadcrumb-inner { display: flex; align-items: center; gap: 8px; color: var(--text-gray); }
.breadcrumb-inner a { color: var(--text-gray); }
.breadcrumb-inner a:hover { color: var(--primary); }
.breadcrumb-sep { color: var(--text-light); }

/* ========================
   浮动联系按钮
======================== */
.float-contact { position: fixed; right: 20px; bottom: 100px; z-index: 999; display: flex; flex-direction: column; gap: 10px; }
.float-item {
  width: 52px; height: 52px; background: var(--primary); border-radius: 50%; display: flex; flex-direction: column;
  align-items: center; justify-content: center; color: #fff; box-shadow: 0 4px 15px rgba(26,111,212,0.35);
  cursor: pointer; position: relative; transition: var(--transition); font-size: 20px;
}
.float-item:hover { transform: scale(1.1); box-shadow: 0 6px 20px rgba(26,111,212,0.45); }
.float-item span { font-size: 10px; line-height: 1; }
.float-item a { color: #fff; display: flex; flex-direction: column; align-items: center; gap: 2px; }
.float-phone { background: var(--success); box-shadow: 0 4px 15px rgba(16,185,129,0.35); }
.float-wechat { background: #07c160; box-shadow: 0 4px 15px rgba(7,193,96,0.35); }
.float-popup {
  position: absolute; right: 65px; top: 50%; transform: translateY(-50%); background: #fff; color: var(--text-dark);
  border-radius: var(--radius); padding: 12px 16px; white-space: nowrap; box-shadow: var(--shadow);
  opacity: 0; visibility: hidden; transition: var(--transition); font-size: 14px;
}
.float-popup::after { content: ''; position: absolute; right: -8px; top: 50%; transform: translateY(-50%); border: 5px solid transparent; border-left-color: #fff; }
.float-item:hover .float-popup { opacity: 1; visibility: visible; }

/* ========================
   页脚
======================== */
.main-footer { background: #0f172a; color: #94a3b8; }
.footer-main { padding: 60px 0 40px; }
.footer-grid { display: grid; grid-template-columns: 2fr 1fr 1fr 1.5fr; gap: 40px; }
.footer-brand h3 { font-size: 1.2rem; color: #fff; margin-bottom: 15px; }
.footer-desc { font-size: 14px; line-height: 1.7; margin-bottom: 20px; }
.footer-social { display: flex; gap: 12px; }
.footer-social a { width: 38px; height: 38px; background: rgba(255,255,255,0.08); border-radius: var(--radius-sm); display: flex; align-items: center; justify-content: center; font-size: 16px; color: #94a3b8; transition: var(--transition); }
.footer-social a:hover { background: var(--primary); color: #fff; }
.qrcode-hint { font-size: 13px; color: #64748b; display: flex; align-items: center; gap: 8px; }
.footer-col h4 { font-size: 16px; color: #fff; margin-bottom: 20px; padding-bottom: 10px; border-bottom: 1px solid rgba(255,255,255,0.08); }
.footer-col ul li { margin-bottom: 10px; }
.footer-col ul li a { color: #94a3b8; font-size: 14px; display: flex; align-items: center; gap: 8px; }
.footer-col ul li a:hover { color: #fff; transform: translateX(3px); }
.footer-contact li { display: flex; gap: 12px; margin-bottom: 16px; }
.footer-contact li i { color: var(--primary); font-size: 16px; margin-top: 3px; }
.footer-contact strong { display: block; font-size: 13px; color: #64748b; }
.footer-contact span, .footer-contact a { font-size: 14px; color: #94a3b8; }
.phone-num { font-size: 1.1rem !important; font-weight: 700; color: var(--accent) !important; }
.footer-seo { background: #080f1d; padding: 12px 0; font-size: 13px; text-align: center; }
.footer-seo p { color: #334155; }
.footer-seo a { color: #475569; margin: 0 2px; }
.footer-seo a:hover { color: #94a3b8; }
.footer-bottom { background: #080f1d; border-top: 1px solid rgba(255,255,255,0.05); padding: 18px 0; }
.footer-bottom-inner { display: flex; justify-content: space-between; align-items: center; flex-wrap: wrap; gap: 10px; font-size: 13px; }
.footer-bottom a { color: #475569; }
.footer-bottom a:hover { color: #94a3b8; }

/* ========================
   响应式
======================== */
@media (max-width: 1024px) {
  .services-grid, .why-grid { grid-template-columns: repeat(2, 1fr); }
  .software-grid { grid-template-columns: repeat(3, 1fr); }
  .footer-grid { grid-template-columns: 1fr 1fr; }
  .hero-title { font-size: 2.2rem; }
}

@media (max-width: 768px) {
  .top-bar .container { justify-content: center; }
  .top-bar-left { display: none; }
  .main-nav { display: none; position: fixed; top: 0; left: 0; right: 0; bottom: 0; background: rgba(15,23,42,0.95); z-index: 9999; align-items: center; justify-content: center; }
  .main-nav.open { display: flex; }
  .main-nav ul { flex-direction: column; text-align: center; gap: 10px; }
  .main-nav > ul > li > a { color: #fff; font-size: 1.2rem; padding: 14px 30px; }
  .dropdown { display: none; }
  .mobile-menu-btn { display: block; z-index: 10000; }
  .hero-inner { grid-template-columns: 1fr; }
  .hero-card { display: none; }
  .hero-title { font-size: 1.8rem; }
  .hero-stats { gap: 20px; }
  .services-grid { grid-template-columns: 1fr 1fr; gap: 15px; }
  .articles-grid { grid-template-columns: 1fr; }
  .software-grid { grid-template-columns: 1fr 1fr; }
  .stats-grid { grid-template-columns: repeat(2, 1fr); gap: 20px; }
  .why-grid { grid-template-columns: 1fr 1fr; }
  .contact-inner { grid-template-columns: 1fr; gap: 30px; }
  .footer-grid { grid-template-columns: 1fr; }
  .form-row { grid-template-columns: 1fr; }
  .section { padding: 50px 0; }
  .section-title { font-size: 1.5rem; }
}

@media (max-width: 480px) {
  .services-grid { grid-template-columns: 1fr; }
  .software-grid { grid-template-columns: 1fr; }
  .why-grid { grid-template-columns: 1fr; }
  .hero-btns { flex-direction: column; }
  .hero-stats { flex-wrap: wrap; gap: 15px; }
  .stats-grid { grid-template-columns: 1fr 1fr; }
}

/* ========================
   文章详情页
======================== */
.article-detail { max-width: 860px; margin: 0 auto; }
.article-detail-title { font-size: 1.7rem; font-weight: 800; line-height: 1.3; margin-bottom: 15px; }
.article-detail-meta { display: flex; flex-wrap: wrap; gap: 15px; color: var(--text-light); font-size: 14px; padding-bottom: 20px; border-bottom: 1px solid var(--border); margin-bottom: 30px; }
.article-content { line-height: 1.85; font-size: 16px; }
.article-content h2 { font-size: 1.4rem; font-weight: 700; margin: 30px 0 15px; color: var(--text-dark); border-left: 4px solid var(--primary); padding-left: 12px; }
.article-content h3 { font-size: 1.2rem; font-weight: 700; margin: 25px 0 12px; }
.article-content p { margin-bottom: 16px; color: var(--text-dark); }
.article-content ul, .article-content ol { margin: 15px 0 15px 25px; }
.article-content li { margin-bottom: 8px; }
.article-content img { border-radius: var(--radius); margin: 20px 0; box-shadow: var(--shadow); }
.article-content pre { background: var(--text-dark); color: #e2e8f0; padding: 20px; border-radius: var(--radius); overflow-x: auto; margin: 20px 0; font-size: 14px; }
.article-content code { background: var(--primary-light); color: var(--primary); padding: 2px 6px; border-radius: 4px; font-size: 0.9em; }
.article-content blockquote { border-left: 4px solid var(--primary); background: var(--primary-light); padding: 15px 20px; margin: 20px 0; border-radius: 0 var(--radius-sm) var(--radius-sm) 0; }
.article-tags { display: flex; flex-wrap: wrap; gap: 8px; margin-top: 30px; }
.article-tag { background: var(--bg-light); color: var(--text-gray); padding: 4px 14px; border-radius: 15px; font-size: 13px; border: 1px solid var(--border); }
.article-tag:hover { background: var(--primary-light); color: var(--primary); border-color: var(--primary); }

/* 侧边栏 */
.sidebar-widget { background: var(--bg-white); border-radius: var(--radius); padding: 25px; box-shadow: var(--shadow); margin-bottom: 25px; border: 1px solid var(--border); }
.sidebar-widget-title { font-size: 1rem; font-weight: 700; color: var(--text-dark); margin-bottom: 18px; padding-bottom: 12px; border-bottom: 2px solid var(--primary); display: flex; align-items: center; gap: 8px; }
.sidebar-widget-title::before { content: ''; width: 4px; height: 18px; background: var(--primary); border-radius: 2px; }

/* ========================
   会员中心
======================== */
.member-layout { display: grid; grid-template-columns: 240px 1fr; gap: 25px; }
.member-sidebar { background: var(--bg-white); border-radius: var(--radius); padding: 25px; box-shadow: var(--shadow); border: 1px solid var(--border); height: fit-content; }
.member-avatar { text-align: center; margin-bottom: 20px; }
.member-avatar img { width: 80px; height: 80px; border-radius: 50%; object-fit: cover; margin: 0 auto 10px; border: 3px solid var(--primary); }
.member-nav a { display: flex; align-items: center; gap: 10px; padding: 11px 15px; border-radius: var(--radius-sm); color: var(--text-dark); font-size: 14px; margin-bottom: 4px; transition: var(--transition); }
.member-nav a:hover, .member-nav a.active { background: var(--primary-light); color: var(--primary); }
.member-content { background: var(--bg-white); border-radius: var(--radius); padding: 30px; box-shadow: var(--shadow); border: 1px solid var(--border); }

/* ========================
   后台公共（admin基础类，详细在admin.css）
======================== */
.badge { display: inline-block; padding: 3px 10px; border-radius: 15px; font-size: 12px; font-weight: 600; }
.badge-success { background: #d1fae5; color: #065f46; }
.badge-warning { background: #fef3c7; color: #92400e; }
.badge-danger { background: #fee2e2; color: #991b1b; }
.badge-info { background: var(--primary-light); color: var(--primary-dark); }
.badge-secondary { background: var(--bg-light); color: var(--text-gray); }

/* 通知提示 */
.alert { padding: 14px 18px; border-radius: var(--radius-sm); margin-bottom: 20px; display: flex; align-items: flex-start; gap: 10px; }
.alert-success { background: #d1fae5; color: #065f46; border: 1px solid #a7f3d0; }
.alert-error { background: #fee2e2; color: #991b1b; border: 1px solid #fca5a5; }
.alert-info { background: var(--primary-light); color: var(--primary-dark); border: 1px solid #93c5fd; }
.alert-warning { background: #fef3c7; color: #92400e; border: 1px solid #fde68a; }