*{box-sizing:border-box}
html{background:#f5f7f6}
body{margin:0;color:#18382b;font-family:-apple-system,BlinkMacSystemFont,"PingFang SC","Microsoft YaHei",sans-serif;-webkit-font-smoothing:antialiased}
a{color:inherit;text-decoration:none}
.bk-top{height:52px;padding:0 18px;display:flex;align-items:center;justify-content:center;background:#fff;position:relative;border-bottom:1px solid #eef2ee;color:#2f2f2f;font-size:16px}
.bk-top-back{position:absolute;left:0;top:0;width:52px;height:52px;display:flex;align-items:center;justify-content:center}
.bk-top-back img{height:18px;width:auto}
.bk-top-city{position:absolute;right:0;top:0;display:flex;align-items:center;justify-content:center;max-width:38%;min-width:80px;height:52px;padding:0 15px;color:#2f2f2f;font-size:16px;font-weight:700}
.bk-top-city span{overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
.bk-top-city img{flex:none;height:8px;width:auto;margin-left:5px}
.bk-page{max-width:640px;margin:0 auto;padding-bottom:100px}
.bk-hero{padding:27px 20px 31px;background:linear-gradient(145deg,#dffbea,#c8f1d8);border-radius:0 0 22px 22px}
.bk-hero-top{color:#27865a;font-size:13px;font-weight:600}
.bk-hero h1{margin:15px 0 5px;font-size:28px;line-height:1.3}
.bk-hero p{margin:0;color:#4f7b63;font-size:14px;line-height:1.5}
.bk-list{padding:2px 12px 0}
.bk-card{display:flex;align-items:flex-start;gap:10px;min-height:120px;margin-top:10px;padding:12px;border-radius:12px;background:#fff;box-shadow:0 2px 10px rgba(20,67,42,.03)}
.bk-card>img{width:82px;height:82px;flex:none;object-fit:cover;border-radius:8px;background:#e1f1e7}
.bk-card-copy{display:flex;flex:1;min-width:0;flex-direction:column;min-height:82px}
.bk-card-copy strong{display:-webkit-box;overflow:hidden;-webkit-box-orient:vertical;-webkit-line-clamp:2;color:#243c30;font-size:16px;line-height:1.4}
.bk-summary{display:-webkit-box;overflow:hidden;-webkit-box-orient:vertical;-webkit-line-clamp:2;margin-top:4px;color:#63756a;font-size:13px;line-height:1.4}
.bk-card time{margin-top:auto;padding-top:5px;color:#829187;font-size:12px}
.bk-pages{display:flex;align-items:center;justify-content:center;gap:18px;padding:22px 12px;color:#829187;font-size:13px}
.bk-pages a{padding:8px 14px;border-radius:17px;background:#fff;color:#159a62}
.bk-empty{padding:35px 0;text-align:center;color:#829187}
.bk-back{padding:18px 17px 0;color:#248d5b;font-size:14px}
.bk-tabs{display:flex;gap:8px;padding:15px 12px 4px}
.bk-tabs a{padding:8px 14px;border-radius:18px;background:#fff;color:#607769;font-size:14px}
.bk-tabs .selected{background:#18b978;color:#fff;font-weight:700}
.bk-archive{display:flex;align-items:center;justify-content:space-between;margin:15px 12px 0;padding:14px 16px;border:1px solid #d5eadf;border-radius:12px;background:#fff;color:#205c3c}
.bk-archive span{display:flex;flex-direction:column;gap:4px}.bk-archive strong{font-size:16px}.bk-archive small{font-size:12px;color:#657b6d}.bk-archive b{font-size:25px;color:#7fae91}
.bk-bottom{position:fixed;z-index:10;bottom:0;left:0;right:0;display:flex;align-items:center;justify-content:space-around;min-height:63px;padding:7px 0 calc(7px + env(safe-area-inset-bottom));border-top:1px solid #edf1ed;background:#fff}
.bk-bottom a{display:flex;flex-direction:column;align-items:center;min-width:56px;color:#292929;font-size:14px;line-height:1.4}.bk-bottom a img{display:block;height:25px;width:auto;margin-bottom:2px}.bk-bottom a.active{color:#23ac38;font-weight:700}
.bk-detail-page{padding:14px 12px 100px}.bk-article{padding:22px 16px 28px;border-radius:14px;background:#fff}
.bk-article-city{color:#27865a;font-size:13px;font-weight:600}.bk-article h1{margin:12px 0 8px;color:#243c30;font-size:24px;line-height:1.45}.bk-article time{display:block;color:#829187;font-size:13px}
.bk-article video{display:block;width:100%;margin-top:22px;border-radius:9px;background:#000}.bk-article-content{margin-top:22px;color:#33463a;font-size:16px;line-height:1.85;overflow-wrap:anywhere}.bk-article-image{display:block;max-width:100%;height:auto;margin:18px auto 0;border-radius:8px}
.bk-return{display:block;margin:12px 0;padding:14px;text-align:center;border-radius:11px;background:#fff;color:#159a62;font-size:14px}
@media(max-width:350px){.bk-card>img{width:72px;height:72px}.bk-card-copy{min-height:72px}.bk-hero h1{font-size:25px}}