:root{
  --primary:#1e5aa0;
  --primary-dark:#1a3a6e;
  --accent:#ff6a00;
  --accent-dark:#e65c00;
  --bg:#f5f7fa;
  --card:#ffffff;
  --text:#1f2937;
  --text-light:#4b5563;
  --muted:#6b7280;
  --line:#e5e7eb;
  --line-light:#f0f2f5;
  --green:#16a34a;
  --red:#dc2626;
  --shadow:0 4px 20px rgba(0,0,0,.06);
  --shadow-sm:0 2px 8px rgba(0,0,0,.05);
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{margin:0;font-family:"Microsoft YaHei","PingFang SC",system-ui,-apple-system,sans-serif;
  background:var(--bg);color:var(--text);font-size:14px;line-height:1.6}
a{color:var(--primary);text-decoration:none;transition:.15s}
a:hover{color:var(--accent)}
img{max-width:100%;height:auto}

/* Top bar */
.topbar{background:#f0f2f5;border-bottom:1px solid var(--line);font-size:12px;color:var(--muted)}
.topbar .inner{display:flex;align-items:center;justify-content:space-between;height:34px;max-width:1200px;margin:0 auto;padding:0 16px}
.topbar .welcome{white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.topbar .links{display:flex;align-items:center;gap:18px}
.topbar a{color:var(--text-light)}
.topbar a:hover{color:var(--accent)}
.topbar .split{color:#d1d5db}

/* Header */
.site-header{background:#fff;box-shadow:var(--shadow-sm);position:sticky;top:0;z-index:100}
.header-main{max-width:1200px;margin:0 auto;padding:16px;display:flex;align-items:center;gap:24px}
.brand{display:flex;align-items:center;gap:12px;flex:0 0 auto}
.brand img{width:56px;height:56px;object-fit:contain;border-radius:4px;background:#f8fafc}
.brand img.full-logo{width:auto;height:70px;max-width:360px;background:transparent}
.brand-text{line-height:1.25}
.brand-text .name{font-size:22px;font-weight:800;color:var(--primary-dark);letter-spacing:.5px}
.brand-text .slogan{font-size:12px;color:var(--accent);font-weight:600;margin-top:2px}

.header-search{flex:1 1 auto;max-width:520px;margin-left:auto}
.header-search form{display:flex;border:2px solid var(--primary);border-radius:4px;overflow:hidden;background:#fff}
.header-search input{flex:1;border:none;padding:11px 14px;font-size:14px;outline:none;color:var(--text)}
.header-search input::placeholder{color:#9ca3af}
.header-search button{border:none;background:var(--accent);color:#fff;padding:0 24px;font-size:15px;font-weight:700;cursor:pointer;transition:.15s}
.header-search button:hover{background:var(--accent-dark)}

/* Nav */
.nav-wrap{background:var(--primary-dark)}
.main-nav{max-width:1200px;margin:0 auto;padding:0 16px;display:flex;align-items:center;height:46px}
.main-nav a{color:rgba(255,255,255,.9);padding:0 22px;height:46px;line-height:46px;font-size:15px;font-weight:500;position:relative;white-space:nowrap}
.main-nav a:hover{color:#fff;background:rgba(255,255,255,.06)}
.main-nav a.active{color:#fff;background:var(--primary)}
.main-nav a.active::after{content:'';position:absolute;bottom:0;left:0;right:0;height:3px;background:var(--accent)}
.nav-toggle{display:none;background:none;border:none;color:#fff;font-size:22px;padding:8px 12px;cursor:pointer}

/* Layout */
.portal-container{max-width:1200px;margin:0 auto;padding:20px 16px}
.portal-grid{display:grid;grid-template-columns:260px 1fr 300px;gap:18px;align-items:start}
.portal-grid.two-col{grid-template-columns:1fr 320px}
.portal-grid.one-col{grid-template-columns:1fr}

/* Cards */
.card{background:var(--card);border-radius:6px;box-shadow:var(--shadow-sm);border:1px solid var(--line);margin-bottom:18px;overflow:hidden}
.card-head{display:flex;align-items:center;justify-content:space-between;padding:14px 18px;border-bottom:1px solid var(--line-light);background:#fafbfc}
.card-head h2,.card-head h3{margin:0;font-size:16px;font-weight:700;color:var(--primary-dark);display:flex;align-items:center;gap:8px}
.card-head h2::before,.card-head h3::before{content:'';display:inline-block;width:4px;height:16px;background:var(--accent);border-radius:2px}
.card-head .more{font-size:13px;color:var(--muted)}
.card-head .more:hover{color:var(--accent)}
.card-body{padding:16px 18px}

/* Section blocks */
.section-title{font-size:20px;font-weight:800;color:var(--primary-dark);margin:0 0 16px;display:flex;align-items:center;gap:10px}
.section-title::before{content:'';width:5px;height:22px;background:var(--accent);border-radius:3px}

/* Hero */
.hero-banner{background:linear-gradient(135deg,#60a5fa 0%,#3b82f6 55%,#2563eb 100%);color:#fff;padding:28px 0 48px;position:relative;overflow:hidden}
.hero-banner::before{content:'';position:absolute;top:0;left:-75%;width:50%;height:100%;background:linear-gradient(90deg,transparent,rgba(255,255,255,.35),transparent);transform:skewX(-25deg);animation:shimmer 4s infinite}
@keyframes shimmer{0%{left:-75%}100%{left:175%}}
.hero-banner::after{content:'';position:absolute;left:0;right:0;bottom:-1px;height:42px;background:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 1440 120' preserveAspectRatio='none'%3E%3Cpath fill='%23f5f7fa' d='M0,64 C480,128 960,0 1440,64 L1440,120 L0,120 Z'/%3E%3C/svg%3E") no-repeat center bottom;background-size:100% 100%;pointer-events:none}
.hero-banner .inner{max-width:1200px;margin:0 auto;padding:0 16px;position:relative;z-index:1;display:flex;align-items:center;justify-content:space-between;gap:30px}
.hero-text{flex:1}
.hero-text h1{font-size:30px;margin:0 0 8px;font-weight:800;letter-spacing:1px}
.hero-text p{margin:0;font-size:15px;opacity:.95}

/* Hot tags / quick links */
.hot-tags{display:flex;flex-wrap:wrap;gap:10px}
.hot-tag{display:inline-block;padding:5px 12px;border:1px solid var(--line);border-radius:4px;font-size:13px;color:var(--text-light);background:#fff;transition:.15s}
.hot-tag:hover{border-color:var(--accent);color:var(--accent)}
.tag-orange{background:#fff7ed;color:var(--accent-dark);border-color:#fed7aa}
.tag-blue{background:#eff6ff;color:var(--primary);border-color:#bfdbfe}
.tag-green{background:#f0fdf4;color:var(--green);border-color:#bbf7d0}

/* Announcement list */
.announce-list .item{display:flex;align-items:center;gap:12px;padding:12px 0;border-bottom:1px dashed var(--line)}
.announce-list .item:last-child{border-bottom:none;padding-bottom:0}
.announce-list .item:first-child{padding-top:0}
.announce-list .tag{flex:0 0 auto}
.announce-list .title{flex:1 1 auto;overflow:hidden;white-space:nowrap;text-overflow:ellipsis;color:var(--text);font-size:14px}
.announce-list .title:hover{color:var(--accent)}
.announce-list .date{flex:0 0 auto;color:var(--muted);font-size:13px}
.empty{color:var(--muted);padding:20px 0;text-align:center;font-size:14px}

/* Tab headers */
.tab-head{display:flex;border-bottom:2px solid var(--line);margin-bottom:14px}
.tab-head a{flex:1;text-align:center;padding:10px 0;font-size:14px;font-weight:600;color:var(--text-light);border-bottom:2px solid transparent;margin-bottom:-2px}
.tab-head a.active{color:var(--primary);border-bottom-color:var(--accent)}
.tab-head a:hover{color:var(--primary)}

/* Featured box */
.featured{background:linear-gradient(135deg,#fff8f0 0%,#fff 100%);border:1px solid #fed7aa;border-radius:6px;padding:18px;margin-bottom:18px}
.featured h3{margin:0 0 10px;font-size:16px;color:var(--accent-dark)}
.featured .meta{color:var(--muted);font-size:13px;margin-bottom:10px}
.featured p{margin:0 0 12px;color:var(--text-light);font-size:14px;line-height:1.7}

/* Banner placeholder */
.portal-banner{height:180px;border-radius:6px;background:linear-gradient(90deg,#1e5aa0,#3b82c6);display:flex;align-items:center;justify-content:center;color:#fff;text-align:center;margin-bottom:18px;position:relative;overflow:hidden}
.portal-banner::before{content:'';position:absolute;inset:0;background:linear-gradient(135deg,rgba(255,255,255,.12),transparent 60%)}
.portal-banner .text{position:relative;z-index:1}
.portal-banner h3{margin:0 0 6px;font-size:22px;font-weight:800}
.portal-banner p{margin:0;font-size:14px;opacity:.95}

/* Page common */
.page-main{max-width:1200px;margin:0 auto;padding:24px 16px}
.page-card{background:var(--card);border-radius:6px;box-shadow:var(--shadow-sm);border:1px solid var(--line);padding:28px}
.page-card h1{margin:0 0 18px;font-size:24px;color:var(--primary-dark);font-weight:800}
.page-card h2{margin:28px 0 12px;font-size:18px;color:var(--primary-dark);font-weight:700;padding-left:10px;border-left:4px solid var(--accent)}
.breadcrumb{background:#fff;border:1px solid var(--line);border-radius:4px;padding:10px 16px;margin-bottom:16px;font-size:13px;color:var(--muted)}
.breadcrumb a{color:var(--primary)}
.breadcrumb a:hover{color:var(--accent)}

/* Search form in page */
.page-search{display:flex;gap:10px;margin-bottom:22px;max-width:600px}
.page-search input{flex:1;padding:10px 14px;border:1px solid var(--line);border-radius:4px;font-size:14px;outline:none}
.page-search input:focus{border-color:var(--primary);box-shadow:0 0 0 3px rgba(30,90,160,.1)}
.page-search .btn{background:var(--primary);border:none;color:#fff;padding:10px 22px;border-radius:4px;cursor:pointer;font-weight:600}
.page-search .btn:hover{background:var(--primary-dark)}
.page-search .reset{align-self:center;color:var(--muted);font-size:13px}
.page-search .reset:hover{color:var(--accent)}

/* Detail */
.detail-meta{display:flex;flex-wrap:wrap;gap:14px 24px;padding:14px 0;margin-bottom:18px;border-bottom:1px solid var(--line);color:var(--text-light);font-size:13px}
.detail-content{line-height:1.85;color:var(--text);font-size:15px}
.detail-content p{margin:0 0 12px}
.detail-content img{max-width:100%;height:auto;border-radius:4px}
.detail-content table{width:100%;border-collapse:collapse;margin:14px 0;font-size:14px}
.detail-content td,.detail-content th{border:1px solid var(--line);padding:8px 12px}
.attach-box{margin-top:24px;padding:18px;background:#f8fafc;border-radius:6px;border:1px solid var(--line)}
.attach-box h3{margin:0 0 12px;font-size:15px;color:var(--primary-dark)}
.attach-list{margin:0;padding:0;list-style:none}
.attach-list li{margin-bottom:8px}
.attach-list a{display:inline-flex;align-items:center;gap:6px;color:var(--primary);font-size:14px}
.attach-list a:hover{color:var(--accent)}

/* Pagination */
.pagination{display:flex;gap:8px;justify-content:center;margin-top:24px;flex-wrap:wrap}
.pagination a,.pagination span{display:inline-block;padding:7px 14px;border:1px solid var(--line);border-radius:4px;background:#fff;color:var(--text);font-size:13px}
.pagination a:hover{border-color:var(--primary);color:var(--primary)}
.pagination a.active{background:var(--primary);border-color:var(--primary);color:#fff}

/* Buttons */
.btn{display:inline-block;padding:9px 20px;border:none;border-radius:4px;cursor:pointer;font-size:14px;font-weight:600;background:var(--primary);color:#fff;transition:.15s}
.btn:hover{background:var(--primary-dark);color:#fff}
.btn.accent{background:var(--accent)}
.btn.accent:hover{background:var(--accent-dark)}
.btn.ghost{background:#fff;color:var(--primary);border:1px solid var(--primary)}
.btn.ghost:hover{background:var(--primary);color:#fff}
.btn.sm{padding:6px 14px;font-size:13px}

/* Footer */
.site-footer{background:var(--primary-dark);color:rgba(255,255,255,.85);margin-top:30px}
.footer-main{max-width:1200px;margin:0 auto;padding:40px 16px 30px;display:grid;grid-template-columns:1.4fr 1fr 1fr 1fr;gap:30px}
.footer-main h4{margin:0 0 16px;font-size:15px;color:#fff;font-weight:700}
.footer-main p,.footer-main a{font-size:13px;color:rgba(255,255,255,.75);line-height:1.8;margin:0}
.footer-main a:hover{color:var(--accent)}
.footer-brand{display:flex;align-items:center;gap:12px;margin-bottom:14px}
.footer-brand img{width:48px;height:48px;object-fit:contain;border-radius:4px;background:rgba(255,255,255,.1)}
.footer-brand .name{font-size:17px;font-weight:800;color:#fff}
.footer-bottom{border-top:1px solid rgba(255,255,255,.1);padding:16px;text-align:center;font-size:12px;color:rgba(255,255,255,.55)}

/* Responsive */
@media (max-width:1024px){
  .portal-grid{grid-template-columns:1fr 1fr}
  .portal-grid .right-col{display:none}
  .footer-main{grid-template-columns:1fr 1fr}
}
@media (max-width:768px){
  .topbar .welcome{display:none}
  .header-main{flex-wrap:wrap;padding:12px}
  .brand img{width:44px;height:44px}
  .brand img.full-logo{height:48px;max-width:260px}
  .brand-text .name{font-size:17px}
  .header-search{order:3;max-width:none;width:100%;margin:12px 0 0}
  .nav-wrap{position:relative}
  .main-nav{display:none;flex-direction:column;height:auto;background:var(--primary-dark);padding:8px 0}
  .main-nav.open{display:flex}
  .main-nav a{height:42px;line-height:42px;border-bottom:1px solid rgba(255,255,255,.08)}
  .nav-toggle{display:block;position:absolute;right:16px;top:-42px}
  .portal-grid{grid-template-columns:1fr}
  .hero-banner .inner{flex-direction:column;text-align:center}
  .hero-stats{justify-content:center}
  .hero-text h1{font-size:24px}
  .footer-main{grid-template-columns:1fr}
  .page-card{padding:18px}
}

/* ===== 公告详情：业务信息摘要 ===== */
.ann-summary{margin:14px 0 6px;padding:14px 16px;background:#f8fafc;border:1px solid #eef1f6;border-radius:8px}
.ann-summary .row{display:flex;gap:10px;padding:5px 0;border-bottom:1px dashed #e7ebf1;font-size:14px;line-height:1.6}
.ann-summary .row:last-child{border-bottom:none}
.ann-summary .k{flex:0 0 120px;color:#64748b;font-weight:600}
.ann-summary .v{flex:1;color:#1f2937}
.ann-summary .v a{color:#1a5fb4;text-decoration:underline}

/* ===== 招标文件支付信息（前台展示） ===== */
.pay-box{margin:18px 0;padding:16px 18px;background:#f8fafc;border:1px solid #e3ecf7;border-left:4px solid #2563eb;border-radius:8px}
.pay-title{margin:0 0 8px;font-size:16px;color:#1a3a6e}
.pay-amount{margin:0 0 10px;font-size:15px;color:#334155}
.pay-amount strong{color:#dc2626;font-size:17px}
.pay-list{list-style:none;margin:0;padding:0;display:flex;flex-direction:column;gap:12px}
.pay-item{padding:10px 12px;background:#fff;border:1px solid #eef2f7;border-radius:8px}
.pm-name{font-weight:700;color:#1a3a6e;margin-bottom:6px}
.pm-detail{font-size:14px;line-height:1.7;color:#334155;white-space:normal}
.pm-qr{margin-top:4px}
.pm-qr img{max-width:200px;max-height:200px;border:1px solid #e5e7eb;border-radius:6px;background:#fff;padding:6px}