:root{--pri:#00695c;--pri-d:#004d40;--pri-l:#00897b;--acc:#ffab00;--acc-h:#ff8f00;--bg:#f1f8e9;--white:#fff;--dark:#263238;--gray:#546e7a;--gray-l:#90a4ae;--bdr:#e0e0e0;--sh:0 2px 8px rgba(0,0,0,.07);--sh2:0 6px 24px rgba(0,0,0,.1);--r:10px;--tr:all .25s ease}
*{box-sizing:border-box;margin:0;padding:0}
body{font-family:-apple-system,BlinkMacSystemFont,"Segoe UI","PingFang SC","Microsoft YaHei",sans-serif;background:var(--bg);color:var(--dark);line-height:1.6}
a{text-decoration:none;color:inherit;transition:var(--tr)}
img{max-width:100%;display:block}
.container{max-width:1180px;margin:0 auto;padding:0 16px}

/* 顶栏 */
.topbar{background:var(--pri-d);color:rgba(255,255,255,.85);font-size:13px;padding:8px 0}
.topbar .container{display:flex;justify-content:space-between;align-items:center;flex-wrap:wrap;gap:8px}
.topbar-marquee{overflow:hidden;flex:1;white-space:nowrap}
.topbar-marquee span{display:inline-block;animation:mq 25s linear infinite}
@keyframes mq{0%{transform:translateX(100%)}100%{transform:translateX(-100%)}}
.topbar-date{font-size:12px;opacity:.7}

/* 导航 */
.hdr{background:var(--white);border-bottom:3px solid var(--pri);position:sticky;top:0;z-index:999;box-shadow:var(--sh)}
.hdr-inner{display:flex;align-items:center;justify-content:space-between;height:60px}
.hdr-logo img{height:40px}
.hdr-nav{display:flex;list-style:none;gap:0;margin:0}
.hdr-nav a{display:block;padding:18px 16px;font-size:15px;font-weight:500;color:var(--dark);border-bottom:3px solid transparent;margin-bottom:-3px}
.hdr-nav a:hover,.hdr-nav a.on{color:var(--pri);border-bottom-color:var(--pri)}
.hdr-btn{background:var(--acc);color:var(--dark)!important;padding:8px 18px;border-radius:6px;font-weight:700;font-size:14px}
.hdr-btn:hover{background:var(--acc-h)}
.hdr-tog{display:none;background:none;border:none;font-size:22px;cursor:pointer}

/* 横幅 */
.banner{background:linear-gradient(135deg,var(--pri-d),var(--pri),var(--pri-l));padding:50px 0 70px;color:#fff;position:relative;overflow:hidden}
.banner::after{content:'';position:absolute;right:-60px;top:-60px;width:260px;height:260px;border-radius:50%;background:rgba(255,255,255,.06)}
.banner::before{content:'';position:absolute;left:-40px;bottom:-40px;width:180px;height:180px;border-radius:50%;background:rgba(255,255,255,.04)}
.banner-grid{display:grid;grid-template-columns:1.2fr 1fr;gap:30px;align-items:center}
.banner h1{font-size:32px;font-weight:800;margin-bottom:14px;line-height:1.35}
.banner h1 em{color:var(--acc);font-style:normal}
.banner p{opacity:.85;font-size:15px;margin-bottom:20px;line-height:1.7}
.banner-btns{display:flex;gap:10px;flex-wrap:wrap}
.banner-btns a{padding:10px 22px;border-radius:8px;font-weight:600;font-size:14px;display:inline-flex;align-items:center;gap:6px}
.bbtn1{background:var(--acc);color:var(--dark)}
.bbtn1:hover{background:var(--acc-h)}
.bbtn2{border:2px solid rgba(255,255,255,.35);color:#fff}
.bbtn2:hover{border-color:#fff;background:rgba(255,255,255,.08)}
.banner-img{text-align:center}
.banner-img img{max-height:260px;filter:drop-shadow(0 12px 30px rgba(0,0,0,.25))}

/* 分类标签条 */
.cat-bar{background:var(--white);border-bottom:1px solid var(--bdr);padding:0}
.cat-list{display:flex;gap:0;overflow-x:auto}
.cat-list a{padding:12px 20px;font-size:14px;font-weight:500;color:var(--gray);white-space:nowrap;border-bottom:2px solid transparent}
.cat-list a:hover,.cat-list a.on{color:var(--pri);border-bottom-color:var(--pri)}

/* 主内容区 */
.main{padding:30px 0}
.main-grid{display:grid;grid-template-columns:1fr 320px;gap:24px}

/* 新闻卡片 */
.news-list{display:flex;flex-direction:column;gap:16px}
.n-card{display:grid;grid-template-columns:260px 1fr;background:var(--white);border-radius:var(--r);overflow:hidden;box-shadow:var(--sh);transition:var(--tr)}
.n-card:hover{box-shadow:var(--sh2);transform:translateY(-2px)}
.n-card-img{position:relative;overflow:hidden}
.n-card-img img{width:100%;height:100%;object-fit:cover;min-height:170px;transition:transform .4s}
.n-card:hover .n-card-img img{transform:scale(1.05)}
.n-card-tag{position:absolute;top:10px;left:10px;background:var(--pri);color:#fff;padding:2px 10px;border-radius:4px;font-size:11px;font-weight:600}
.n-card-body{padding:18px 20px;display:flex;flex-direction:column;justify-content:center}
.n-card-body h3{font-size:17px;font-weight:600;margin-bottom:8px;line-height:1.5}
.n-card-body h3 a:hover{color:var(--pri)}
.n-card-body p{font-size:14px;color:var(--gray);margin-bottom:12px;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.n-card-meta{display:flex;gap:16px;font-size:13px;color:var(--gray-l)}

/* 侧栏 */
.sidebar{display:flex;flex-direction:column;gap:20px}
.sb-box{background:var(--white);border-radius:var(--r);padding:20px;box-shadow:var(--sh)}
.sb-title{font-size:16px;font-weight:700;margin-bottom:16px;padding-bottom:10px;border-bottom:2px solid var(--pri);display:flex;align-items:center;gap:8px}
.sb-title i{color:var(--pri)}
.sb-hot{list-style:none}
.sb-hot li{display:flex;align-items:flex-start;gap:10px;padding:10px 0;border-bottom:1px solid var(--bdr)}
.sb-hot li:last-child{border-bottom:none}
.sb-hot .rank{width:24px;height:24px;border-radius:4px;background:var(--gray-l);color:#fff;display:flex;align-items:center;justify-content:center;font-size:12px;font-weight:700;flex-shrink:0}
.sb-hot li:nth-child(1) .rank{background:#e53935}
.sb-hot li:nth-child(2) .rank{background:#fb8c00}
.sb-hot li:nth-child(3) .rank{background:var(--acc)}
.sb-hot a{font-size:14px;line-height:1.5}
.sb-hot a:hover{color:var(--pri)}
.sb-hot .date{font-size:12px;color:var(--gray-l);margin-top:2px}

/* 特色区域 */
.feat-sec{padding:40px 0;background:var(--white)}
.feat-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:20px}
.feat-card{text-align:center;padding:24px 16px;border-radius:var(--r);background:var(--bg);transition:var(--tr)}
.feat-card:hover{transform:translateY(-4px);box-shadow:var(--sh2)}
.feat-card i{font-size:30px;color:var(--pri);margin-bottom:10px}
.feat-card h4{font-size:15px;font-weight:600;margin-bottom:6px}
.feat-card p{font-size:13px;color:var(--gray)}

/* 页脚 */
.ftr{background:var(--dark);color:rgba(255,255,255,.65);padding:40px 0 0}
.ftr-grid{display:grid;grid-template-columns:2fr 1fr 1fr;gap:30px;padding-bottom:30px;border-bottom:1px solid rgba(255,255,255,.1)}
.ftr h4{color:#fff;font-size:15px;font-weight:600;margin-bottom:14px}
.ftr p{font-size:13px;line-height:1.7;margin-bottom:8px}
.ftr-links{list-style:none}
.ftr-links li{margin-bottom:8px}
.ftr-links a{font-size:13px;color:rgba(255,255,255,.55)}
.ftr-links a:hover{color:var(--acc)}
.ftr-bot{text-align:center;padding:16px 0;font-size:12px;color:rgba(255,255,255,.35)}

/* 列表页 */
.crumb{padding:14px 0;font-size:14px;color:var(--gray)}
.crumb a{color:var(--pri)}
.list-main{padding:20px 0 50px}

/* 文章页 */
.art-hero{background:linear-gradient(135deg,var(--pri-d),var(--pri));padding:40px 0 60px;color:#fff;text-align:center}
.art-hero h1{font-size:26px;font-weight:700;max-width:780px;margin:0 auto 12px;line-height:1.4}
.art-hero-meta{font-size:13px;opacity:.7;display:flex;justify-content:center;gap:18px}
.art-wrap{max-width:780px;margin:-20px auto 0;padding:0 16px 50px;position:relative;z-index:2}
.art-body{background:var(--white);border-radius:var(--r);padding:32px;box-shadow:var(--sh);line-height:1.9;font-size:15px}
.art-body h3{font-size:18px;font-weight:700;color:var(--pri-d);margin:24px 0 10px;padding-left:12px;border-left:4px solid var(--acc)}
.art-body p{margin-bottom:14px;color:var(--dark)}
.art-nav{display:flex;justify-content:space-between;margin-top:24px;padding-top:16px;border-top:1px solid var(--bdr);font-size:14px}
.art-nav a{color:var(--pri)}
.art-nav a:hover{color:var(--acc)}

/* 响应式 */
@media(max-width:992px){.banner-grid{grid-template-columns:1fr;text-align:center}.banner-img{display:none}.main-grid{grid-template-columns:1fr}.feat-grid{grid-template-columns:repeat(2,1fr)}.ftr-grid{grid-template-columns:1fr 1fr}.n-card{grid-template-columns:200px 1fr}}
@media(max-width:768px){.hdr-nav{display:none;position:absolute;top:60px;left:0;right:0;background:var(--white);flex-direction:column;box-shadow:var(--sh2)}.hdr-nav.show{display:flex}.hdr-tog{display:block}.banner h1{font-size:24px}.feat-grid{grid-template-columns:1fr 1fr}.n-card{grid-template-columns:1fr}.n-card-img{height:200px}.ftr-grid{grid-template-columns:1fr}}