*{margin:0;padding:0;box-sizing:border-box}
body{font-family:-apple-system,BlinkMacSystemFont,"Segoe UI","Microsoft YaHei",sans-serif;line-height:1.6;color:#333}
.container{max-width:1400px;margin:0 auto;padding:0 20px}
.container-narrow{max-width:1000px;margin:0 auto;padding:0 20px}
.site-header{background:#1a73e8;color:#fff;position:sticky;top:0;z-index:100}
.site-header .container{display:flex;align-items:center;justify-content:space-between;height:60px}
.logo a{color:#fff;text-decoration:none}.logo h1{font-size:22px;font-weight:700}
.main-nav ul{display:flex;list-style:none;gap:4px}
.main-nav a{color:rgba(255,255,255,0.85);text-decoration:none;padding:8px 16px;border-radius:4px;font-size:15px;transition:0.2s}
.main-nav a:hover,.main-nav a.active{background:rgba(255,255,255,0.15);color:#fff}
.hero{background:linear-gradient(135deg,#1a73e8,#0d47a1);color:#fff;padding:80px 0;text-align:center}
.hero h1{font-size:40px;margin-bottom:16px}.hero p{font-size:18px;opacity:0.9;margin-bottom:30px}
.section{padding:60px 0}.bg-gray{background:#f5f7fa}
.section-title{font-size:28px;text-align:center;margin-bottom:40px;color:#1a73e8}
.page-title{font-size:32px;margin-bottom:30px;color:#333}.text-center{text-align:center;margin-top:24px}
.card-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(320px,1fr));gap:24px}
.card{background:#fff;border-radius:8px;padding:24px;box-shadow:0 2px 8px rgba(0,0,0,0.08);transition:0.2s}
.card:hover{box-shadow:0 4px 16px rgba(0,0,0,0.12);transform:translateY(-2px)}
.card h2,.card h3{font-size:18px;margin-bottom:8px}
.card a{color:#333;text-decoration:none}.card a:hover{color:#1a73e8}
.card p{color:#666;font-size:14px;line-height:1.7}.card .meta{color:#999;font-size:13px;margin-bottom:8px}
.card-sm{padding:16px}.btn{display:inline-block;padding:10px 24px;border-radius:4px;text-decoration:none;font-size:15px;cursor:pointer;border:none;transition:0.2s}
.btn-primary{background:#1a73e8;color:#fff}.btn-primary:hover{background:#1557b0}
.btn-outline{background:transparent;color:#1a73e8;border:1px solid #1a73e8}.btn-outline:hover{background:#1a73e8;color:#fff}
.btn-sm{padding:6px 12px;font-size:13px}
.breadcrumb{margin-bottom:20px;color:#999;font-size:14px}
.breadcrumb a{color:#1a73e8;text-decoration:none}.detail-content h1{font-size:28px;margin-bottom:16px}
.rich-text{line-height:1.9;font-size:16px}.rich-text p{margin-bottom:12px}.rich-text img{max-width:100%;height:auto}
.related{margin-top:48px;padding-top:32px;border-top:1px solid #eee}
.contact-info{max-width:600px}.info-item{padding:16px 0;border-bottom:1px solid #eee}
.info-item h3{font-size:16px;color:#1a73e8;margin-bottom:4px}.info-item p{color:#666}
.site-footer{background:#2c3e50;color:rgba(255,255,255,0.8);padding:40px 0;text-align:center;font-size:14px}
@media(max-width:768px){.site-header .container{flex-direction:column;height:auto;padding:12px 20px}
.main-nav ul{flex-wrap:wrap;justify-content:center;margin-top:8px}
.hero h1{font-size:28px}.card-grid{grid-template-columns:1fr}}
.site-footer{background:linear-gradient(135deg,#2c3e50 0%,#1a252f 100%);color:rgba(255,255,255,0.85);padding:60px 0 0;margin-top:60px}
.footer-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:0;max-width:1400px;margin:0 auto;padding:0 20px}
.footer-col h4{color:#fff;margin-bottom:18px;font-size:17px;position:relative;padding-bottom:10px}

.footer-col+.footer-col{padding-left:30px;border-left:1px solid rgba(255,255,255,0.12)}
.footer-col ul{list-style:none;padding:0}
.footer-col ul li{margin:6px 0}
.footer-col a{color:rgba(255,255,255,0.7);text-decoration:none;font-size:14px}
.footer-col a:hover{color:#fff}
.footer-col p{font-size:14px;margin:4px 0;color:rgba(255,255,255,0.7)}
.footer-bottom{text-align:center;padding-top:20px;margin-top:30px;border-top:1px solid rgba(255,255,255,0.1);font-size:13px;color:rgba(255,255,255,0.5);max-width:1400px;margin-left:auto;margin-right:auto;padding-left:20px;padding-right:20px}
@media(max-width:768px){.footer-grid{grid-template-columns:1fr}}

.w-detail p{margin-bottom:12px}
.w-detail ul,.w-detail ol{margin:10px 0;padding-left:24px}
.w-detail li{margin-bottom:6px}
.w-detail h3{font-size:18px;font-weight:600;margin:20px 0 10px;color:#222}
.w-detail h4{font-size:16px;font-weight:600;margin:15px 0 8px;color:#333}
.w-detail img{max-width:100%;border-radius:6px;margin:10px 0}
.w-detail a{color:#1a73e8}
.w-detail table{width:100%;border-collapse:collapse;margin:10px 0}
.w-detail th,.w-detail td{border:1px solid #e0e0e0;padding:8px 12px;text-align:left}
.w-detail blockquote{border-left:4px solid #1a73e8;padding:10px 20px;margin:15px 0;background:#f8f9fa;color:#555}

.w-title{font-size:26px;font-weight:700;color:#222;margin-bottom:15px;line-height:1.4}
.w-info{padding-bottom:15px;margin-bottom:25px;border-bottom:1px solid #e8e8e8;color:#999;font-size:13px}
.w-info span{margin-right:20px}
.w-summary{background:#f8f9fa;border-left:4px solid #1a73e8;padding:14px 18px;margin-bottom:25px;border-radius:0 4px 4px 0}
.w-summary p{color:#555;font-size:14px;line-height:1.7;margin:0}

/* 横向新闻列表 */
.news-row{display:flex;gap:20px;background:#fff;border-radius:8px;padding:16px;box-shadow:0 2px 8px rgba(0,0,0,0.06);transition:0.2s;margin-bottom:16px}
.news-row:hover{box-shadow:0 4px 16px rgba(0,0,0,0.1)}
.news-row .news-thumb{flex:0 0 200px;height:160px;overflow:hidden;border-radius:6px}
.news-row .news-thumb img{width:100%;height:100%;object-fit:cover}
.news-row .news-info{flex:1;display:flex;flex-direction:column;justify-content:center}
.news-row .news-info h3{font-size:18px;margin-bottom:6px}
.news-row .news-info h3 a{color:#222;text-decoration:none}
.news-row .news-info h3 a:hover{color:#1a73e8}
.news-row .news-info .meta{color:#999;font-size:13px;margin-bottom:8px}
.news-row .news-info p{color:#666;font-size:14px;line-height:1.6;margin:0}


/* 核心优势 */
.features-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:24px}
.feature-item{text-align:center;padding:36px 20px;background:#fff;border-radius:12px;box-shadow:0 2px 12px rgba(0,0,0,0.06);transition:0.3s}
.feature-item:hover{transform:translateY(-4px);box-shadow:0 8px 24px rgba(0,0,0,0.1)}
.feature-icon{width:64px;height:64px;margin:0 auto 18px;background:linear-gradient(135deg,#e8f0fe,#d0e2ff);border-radius:50%;display:flex;align-items:center;justify-content:center;color:#1a73e8}
.feature-item h3{font-size:18px;font-weight:600;margin-bottom:10px;color:#222}
.feature-item p{font-size:14px;color:#666;line-height:1.7;margin:0}
@media(max-width:992px){.features-grid{grid-template-columns:repeat(2,1fr)}}
@media(max-width:576px){.features-grid{grid-template-columns:1fr}}


/* 新闻两列布局 */
.news-grid-2{display:grid;grid-template-columns:repeat(2,1fr);gap:16px}
.news-cell{display:flex;gap:14px;background:#fff;border-radius:8px;padding:12px;box-shadow:0 2px 8px rgba(0,0,0,0.06);transition:0.2s;align-items:flex-start}
.news-cell:hover{box-shadow:0 4px 16px rgba(0,0,0,0.1)}
.news-cell .nc-thumb{flex:0 0 110px;height:80px;overflow:hidden;border-radius:4px}
.news-cell .nc-thumb img{width:100%;height:100%;object-fit:cover}
.news-cell .nc-info{flex:1;min-width:0}
.news-cell .nc-info h3{font-size:14px;font-weight:600;margin-bottom:4px;line-height:1.4}
.news-cell .nc-info h3 a{color:#333;text-decoration:none}
.news-cell .nc-info h3 a:hover{color:#1a73e8}
.news-cell .nc-info .nc-date{color:#999;font-size:11px;margin-bottom:4px}
.news-cell .nc-info .nc-summary{color:#888;font-size:12px;line-height:1.5;margin:0;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
@media(max-width:768px){.news-grid-2{grid-template-columns:1fr}}