:root {
  --primary: #2b6cff; --primary-dark: #1d4fd6; --primary-light: #eaf1ff;
  --danger: #ff4d4f; --success: #00b96b; --warning: #faad14; --urgent: #ff7a45;
  --text: #1f2329; --text-2: #646a73; --text-3: #9aa0a8;
  --border: #e8eaed; --bg: #f5f6f8; --card: #ffffff; --radius: 10px;
}
* { box-sizing: border-box; margin: 0; padding: 0; }
body { font-family: -apple-system, "PingFang SC", "Microsoft YaHei", sans-serif; background: var(--bg); color: var(--text); font-size: 14px; line-height: 1.6; }
a { color: inherit; text-decoration: none; }
img { display: block; max-width: 100%; }
.container { max-width: 1200px; margin: 0 auto; padding: 0 16px; }
.btn { display: inline-flex; align-items: center; justify-content: center; padding: 8px 18px; border-radius: var(--radius); border: none; cursor: pointer; font-size: 14px; transition: .2s; }
.btn-primary { background: var(--primary); color: #fff; } .btn-primary:hover { background: var(--primary-dark); }
.btn-outline { background: #fff; border: 1px solid var(--primary); color: var(--primary); } .btn-outline:hover { background: var(--primary-light); }
.btn-ghost { background: #fff; border: 1px solid var(--border); color: var(--text-2); }
.btn-sm { padding: 5px 12px; font-size: 13px; }
.btn-block { width: 100%; }
.tag { display: inline-block; padding: 2px 8px; border-radius: 4px; font-size: 12px; background: var(--bg); color: var(--text-2); margin: 2px 4px 2px 0; }
.tag.blue { background: var(--primary-light); color: var(--primary); }
.tag.green { background: #e6f7f0; color: var(--success); }
.tag.red { background: #fff1f0; color: var(--danger); }
.card { background: var(--card); border-radius: var(--radius); box-shadow: 0 1px 4px rgba(0,0,0,.04); }
.text-primary { color: var(--primary); } .text-danger { color: var(--danger); } .text-success { color: var(--success); } .text-muted { color: var(--text-3); }
.hidden { display: none !important; }
.flex { display: flex; } .between { justify-content: space-between; } .center { align-items: center; } .wrap { flex-wrap: wrap; } .gap8 { gap: 8px; } .gap12 { gap: 12px; } .gap16 { gap: 16px; }
.mt8 { margin-top: 8px; } .mt12 { margin-top: 12px; } .mt16 { margin-top: 16px; } .mb12 { margin-bottom: 12px; } .mb16 { margin-bottom: 16px; }

/* 顶部导航 */
.header { background: #fff; border-bottom: 1px solid var(--border); position: sticky; top: 0; z-index: 100; }
.header .container { display: flex; align-items: center; height: 60px; gap: 28px; }
.logo { font-size: 20px; font-weight: 800; color: var(--primary); }
.logo span { color: var(--text); }
.nav { display: flex; gap: 22px; flex: 1; }
.nav a { color: var(--text-2); font-size: 15px; padding: 4px 0; }
.nav a:hover, .nav a.active { color: var(--primary); font-weight: 600; }
.header .user-area { display: flex; align-items: center; gap: 12px; }
.city-picker { cursor: pointer; color: var(--text-2); }

/* Hero 搜索 */
.hero { background: linear-gradient(135deg, #2b6cff 0%, #4b8bff 100%); padding: 36px 0; color: #fff; }
.hero h1 { font-size: 26px; margin-bottom: 6px; }
.hero p { opacity: .9; margin-bottom: 18px; }
.search-box { background: #fff; border-radius: 50px; display: flex; padding: 6px; box-shadow: 0 8px 24px rgba(0,0,0,.15); }
.search-box input { flex: 1; border: none; outline: none; padding: 0 18px; font-size: 15px; border-radius: 50px; }
.search-box select { border: none; outline: none; padding: 0 12px; border-left: 1px solid var(--border); color: var(--text-2); }
.search-box button { border-radius: 50px; padding: 0 28px; }
.hot-words { margin-top: 12px; font-size: 13px; opacity: .9; }
.hot-words a { margin-right: 14px; }

/* 区块 */
.section { margin: 24px 0; }
.section-head { display: flex; justify-content: space-between; align-items: center; margin-bottom: 14px; }
.section-head h2 { font-size: 19px; }
.section-head .more { color: var(--text-3); font-size: 13px; }

/* 职位卡片 */
.job-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 14px; }
.job-card { padding: 16px; transition: .2s; }
.job-card:hover { box-shadow: 0 6px 18px rgba(43,108,255,.12); transform: translateY(-2px); }
.job-card .title-row { display: flex; justify-content: space-between; align-items: baseline; }
.job-card .title { font-size: 16px; font-weight: 600; color: var(--text); cursor: pointer; }
.job-card .title:hover { color: var(--primary); }
.job-card .salary { color: var(--danger); font-weight: 700; font-size: 16px; white-space: nowrap; }
.job-card .meta { color: var(--text-2); font-size: 13px; margin: 8px 0; }
.job-card .company { display: flex; align-items: center; gap: 8px; margin-top: 10px; color: var(--text-2); font-size: 13px; }
.job-card .company img { width: 28px; height: 28px; border-radius: 6px; object-fit: cover; background: var(--bg); }
.urgent-badge { background: var(--urgent); color: #fff; font-size: 11px; padding: 1px 6px; border-radius: 3px; }

/* 分类宫格 */
.cat-grid { display: grid; grid-template-columns: repeat(8, 1fr); gap: 10px; }
.cat-item { text-align: center; padding: 14px 6px; cursor: pointer; border-radius: 8px; }
.cat-item:hover { background: var(--primary-light); }
.cat-item .ic { font-size: 22px; } .cat-item .name { font-size: 13px; margin-top: 6px; color: var(--text-2); }

/* 公司卡片 */
.company-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 14px; }
.company-card { padding: 18px; text-align: center; cursor: pointer; transition: .2s; }
.company-card:hover { box-shadow: 0 6px 18px rgba(0,0,0,.08); }
.company-card img { width: 56px; height: 56px; border-radius: 12px; margin: 0 auto 10px; object-fit: cover; background: var(--bg); }
.company-card .name { font-weight: 600; }
.company-card .sub { color: var(--text-3); font-size: 12px; margin: 4px 0; }
.company-card .jobs { color: var(--primary); font-size: 13px; }

/* 列表页布局 */
.layout { display: grid; grid-template-columns: 220px 1fr; gap: 16px; align-items: start; }
.filter-box { padding: 16px; }
.filter-group { margin-bottom: 14px; }
.filter-group h4 { font-size: 13px; color: var(--text-3); margin-bottom: 8px; }
.filter-item { display: inline-block; padding: 4px 12px; border-radius: 6px; font-size: 13px; color: var(--text-2); margin: 0 6px 8px 0; cursor: pointer; background: var(--bg); }
.filter-item.active { background: var(--primary); color: #fff; }
.list-toolbar { padding: 10px 16px; display: flex; gap: 18px; align-items: center; margin-bottom: 12px; }
.list-toolbar .sort { cursor: pointer; color: var(--text-2); font-size: 13px; }
.list-toolbar .sort.active { color: var(--primary); font-weight: 600; }
.list-item { padding: 16px; display: flex; justify-content: space-between; align-items: center; cursor: pointer; transition: .2s; }
.list-item:hover { background: var(--primary-light); }

/* 详情页 */
.detail-layout { display: grid; grid-template-columns: 1fr 320px; gap: 16px; align-items: start; }
.detail-main { padding: 24px; }
.detail-main h1 { font-size: 22px; }
.detail-meta { color: var(--text-2); margin: 12px 0; display: flex; gap: 16px; flex-wrap: wrap; }
.detail-section { margin-top: 22px; }
.detail-section h3 { font-size: 16px; margin-bottom: 10px; border-left: 3px solid var(--primary); padding-left: 8px; }
.side-card { padding: 18px; }
.side-card .company-info { display: flex; gap: 10px; align-items: center; }
.side-card img { width: 48px; height: 48px; border-radius: 8px; object-fit: cover; background: var(--bg); }

/* 表单 */
.form-row { margin-bottom: 16px; }
.form-row label { display: block; font-size: 13px; color: var(--text-2); margin-bottom: 6px; }
.form-row input, .form-row select, .form-row textarea { width: 100%; padding: 10px 12px; border: 1px solid var(--border); border-radius: 8px; outline: none; font-size: 14px; font-family: inherit; }
.form-row input:focus, .form-row select:focus, .form-row textarea:focus { border-color: var(--primary); }

/* 弹窗 */
.modal-mask { position: fixed; inset: 0; background: rgba(0,0,0,.45); display: flex; align-items: center; justify-content: center; z-index: 999; }
.modal { background: #fff; border-radius: 12px; padding: 24px; width: 380px; max-width: 92vw; }
.modal h3 { margin-bottom: 16px; }

/* 响应式 */
@media (max-width: 900px) {
  .job-grid, .list-item { grid-template-columns: 1fr; }
  .company-grid { grid-template-columns: repeat(2, 1fr); }
  .cat-grid { grid-template-columns: repeat(4, 1fr); }
  .layout, .detail-layout { grid-template-columns: 1fr; }
  .nav { display: none; }
}
.empty { text-align: center; color: var(--text-3); padding: 50px 0; }
.footer { background: #fff; border-top: 1px solid var(--border); margin-top: 40px; padding: 24px 0; color: var(--text-3); font-size: 13px; text-align: center; }
.toast { position: fixed; top: 20px; left: 50%; transform: translateX(-50%); background: rgba(0,0,0,.8); color: #fff; padding: 10px 20px; border-radius: 8px; z-index: 9999; font-size: 14px; }
.avatar { width: 32px; height: 32px; border-radius: 50%; object-fit: cover; background: var(--primary-light); }