:root{--ink:#10251F;--muted:#5B6E67;--paper:#FBFDFC;--brand:#0B7A63;--brand-deep:#075A49;--brand-soft:#E7F4EF;--line:#DDE7E2;--radius:14px}







*{margin:0;padding:0;box-sizing:border-box}







body{font-family:"Noto Sans SC","PingFang SC","Microsoft YaHei",system-ui,sans-serif;background:var(--paper);color:var(--ink);line-height:1.7;font-size:16px}







.wrap{max-width:1120px;margin:0 auto;padding:0 24px}







header.site{position:sticky;top:0;z-index:50;background:rgba(251,253,252,.92);backdrop-filter:blur(8px);border-bottom:1px solid var(--line)}







nav{display:flex;align-items:center;justify-content:space-between;height:66px;gap:16px}







.logo{display:flex;align-items:center;gap:10px;font-weight:700;font-size:17px;color:var(--brand-deep);text-decoration:none}







.nav-links{display:flex;gap:22px;list-style:none;flex-wrap:wrap}







.nav-links a{color:var(--ink);text-decoration:none;font-size:15px;font-weight:500}







.nav-links a:hover{color:var(--brand)}







.nav-links a.active{color:var(--brand-deep);font-weight:700}







.nav-cta{background:var(--brand);color:#fff;border:none;border-radius:999px;padding:9px 18px;font-size:14px;font-weight:600;cursor:pointer;flex:none}







.nav-cta:hover{background:var(--brand-deep)}







.page-hero{background:var(--brand-deep);color:#fff;padding:52px 0}







.page-hero h1{font-size:clamp(26px,3.6vw,38px);font-weight:800}







.page-hero p{margin-top:12px;opacity:.9;max-width:720px}







.crumbs{font-size:13px;opacity:.8;margin-bottom:14px}







.crumbs a{color:#fff;opacity:.85}







section{padding:56px 0}







.sec-head{max-width:680px;margin-bottom:30px}







.sec-head .tag{font-size:13px;font-weight:700;letter-spacing:.08em;color:var(--brand);margin-bottom:10px}







.sec-head h2{font-size:clamp(24px,3.2vw,32px);font-weight:800;line-height:1.3}







.sec-head p{margin-top:12px;color:var(--muted)}







.cat-block{background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:26px 28px;margin-bottom:22px}







.cat-head{display:flex;align-items:center;justify-content:space-between;gap:14px;margin-bottom:14px;flex-wrap:wrap}







.cat-head h2{font-size:19px;font-weight:800;color:var(--brand-deep)}







.cat-head .count{font-size:13px;color:var(--muted);background:var(--brand-soft);border-radius:999px;padding:4px 12px;font-weight:600}







.art-list{list-style:none;display:grid;gap:0}







.art-list li{border-bottom:1px solid var(--line);padding:12px 2px;display:flex;justify-content:space-between;gap:18px;align-items:baseline;flex-wrap:wrap}







.art-list li:last-child{border-bottom:none}







.art-list a{color:var(--ink);text-decoration:none;font-size:15px;font-weight:500;flex:1}







.art-list a:hover{color:var(--brand)}







.art-list .t{font-size:13px;color:var(--muted);flex:none}







.btn{display:inline-flex;align-items:center;gap:8px;border-radius:999px;padding:12px 22px;font-size:15px;font-weight:600;cursor:pointer;border:none;text-decoration:none}







.btn-primary{background:var(--brand);color:#fff}







.btn-primary:hover{background:var(--brand-deep)}







.cta{background:var(--brand-deep);color:#fff;margin:0 0 64px}







.cta .wrap{text-align:center;padding:22px 0}







.cta h2{font-size:clamp(22px,3vw,30px);font-weight:800}







.cta p{margin:12px 0 22px;opacity:.9}







.cta a{background:#fff;color:var(--brand-deep);font-weight:700}







footer{border-top:1px solid var(--line);padding:40px 0 56px;font-size:14px;color:var(--muted)}







.foot-grid{display:flex;justify-content:space-between;gap:24px;flex-wrap:wrap}







.foot-grid b{color:var(--ink);font-size:15px}







@media (max-width:860px){







  .nav-links{position:absolute;top:66px;left:0;right:0;display:none;flex-direction:column;gap:0;background:#fff;border-bottom:1px solid var(--line);padding:6px 0;box-shadow:0 12px 24px rgba(16,37,31,.08)}
  .nav-links li{list-style:none;width:100%}
  .nav-links a{display:block;padding:13px 24px;font-size:16px;border-top:1px solid var(--line)}
  .nav-links li:first-child a{border-top:none}
  .nav-btn{display:flex;flex-direction:column;align-items:center;justify-content:center;gap:5px;width:44px;height:44px;cursor:pointer;flex:none}
  .nav-btn span{display:block;width:22px;height:2px;background:var(--ink);border-radius:2px;transition:transform .25s,opacity .25s}
  .nav-toggle{position:absolute;opacity:0;width:0;height:0;pointer-events:none}
  .nav-toggle:checked~.nav-btn span:nth-child(1){transform:translateY(7px) rotate(45deg)}
  .nav-toggle:checked~.nav-btn span:nth-child(2){opacity:0}
  .nav-toggle:checked~.nav-btn span:nth-child(3){transform:translateY(-7px) rotate(-45deg)}
  .nav-toggle:checked~.nav-links{display:flex}
  .nav-cta{display:none}
  .fab{display:none}







  section{padding:44px 0}







}











.cat-pills{display:flex;flex-wrap:wrap;gap:8px;margin:4px 0 26px}

.cat-pills a{padding:6px 13px;border-radius:999px;background:var(--brand-soft);color:var(--brand-deep);font-size:12.5px;font-weight:600;text-decoration:none;border:1px solid var(--line);transition:all .15s}

.cat-pills a:hover{background:var(--brand);color:#fff;border-color:var(--brand)}

.feat-grid{display:grid;grid-template-columns:1fr 1fr;gap:16px}

.feat-card{background:var(--brand-soft);border:1px solid var(--line);border-radius:var(--radius);padding:18px 20px;text-decoration:none;color:var(--ink);display:block;transition:all .2s}

.feat-card:hover{border-color:var(--brand);box-shadow:0 6px 18px rgba(11,122,99,.12)}

.feat-card .f-tag{font-size:12px;font-weight:700;color:var(--brand);letter-spacing:.05em}

.feat-card .f-title{font-size:15px;font-weight:700;margin:8px 0 6px;line-height:1.5}

.feat-card .f-date{font-size:12px;color:var(--muted)}

.kc-grid{display:grid;grid-template-columns:1fr 1fr;gap:26px;align-items:start}

.kc-col{display:grid;gap:20px}

.cat-block{break-inside:avoid;-webkit-column-break-inside:avoid;margin-bottom:0;padding:20px 24px}

.cat-head{margin-bottom:10px}

.cat-head h2{font-size:17px}

.cat-head .count{font-size:12px;background:var(--brand);color:#fff;border-radius:999px;padding:3px 10px;font-weight:600}

.sub-head{font-size:13px;font-weight:700;color:var(--brand-deep);background:var(--brand-soft);border-radius:6px;padding:5px 10px;margin:12px 0 4px;display:inline-block}

.art-list li{padding:8px 2px;font-size:14px}

@media (max-width:860px){.kc-grid{grid-template-columns:1fr}.feat-grid{grid-template-columns:1fr}}

/*kc-v4-css*/
.kc-layout{display:grid;grid-template-columns:268px 1fr;gap:28px;align-items:start}
.kc-tree-col{position:sticky;top:84px;max-height:calc(100vh - 104px);overflow:auto}
.kc-tree{background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:14px 12px}
.tree-title{font-size:14px;font-weight:800;color:var(--brand-deep);border-bottom:2px solid var(--brand-soft);padding:6px 8px 10px;margin-bottom:8px}
.kc-tree details{margin:2px 0}
.kc-tree summary{cursor:pointer;list-style:none;display:flex;align-items:center;gap:6px;padding:7px 8px;border-radius:8px;font-size:13.5px;color:var(--ink);line-height:1.4}
.kc-tree summary::-webkit-details-marker{display:none}
.kc-tree summary::before{content:"";width:0;height:0;border-left:5px solid var(--brand);border-top:4px solid transparent;border-bottom:4px solid transparent;margin-right:2px;transition:transform .15s;flex:none}
.kc-tree details[open]>summary::before{transform:rotate(90deg)}
.kc-tree summary:hover{background:var(--brand-soft)}
.kc-tree details.t1>summary{font-weight:700;color:var(--brand-deep)}
.kc-tree details.t2{padding-left:10px}
.kc-tree details.t2>summary{font-size:13px;color:var(--ink);font-weight:600}
.kc-tree .t1-a{color:var(--brand-deep);text-decoration:none;flex:1}
.kc-tree .t3-list{list-style:none;padding-left:20px;margin:2px 0 6px}
.kc-tree .t3{display:block;text-decoration:none;color:var(--muted);font-size:12.5px;padding:4px 6px;border-radius:6px;line-height:1.45;border-left:2px solid var(--line);white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.kc-tree .t3:hover{color:var(--brand-deep);background:var(--brand-soft);border-left-color:var(--brand);overflow:visible;white-space:normal}
.kc-tree .tc{font-size:11px;color:var(--muted);background:var(--brand-soft);border-radius:999px;padding:1px 7px;margin-left:auto;flex:none;font-weight:600}
.kc-hero{background:linear-gradient(135deg,#075a49 0%,#0e8a6d 100%);padding:54px 20px 46px;margin:0 0 36px}
.kc-head{text-align:center;max-width:980px;margin:0 auto}
.kc-head .sec-tag{display:inline-block;font-size:12px;letter-spacing:.18em;color:#fff;background:rgba(255,255,255,.16);padding:6px 18px;border-radius:999px;font-weight:700;margin-bottom:16px}
.kc-head h1{font-size:clamp(28px,3.4vw,38px);color:#fff;margin:0 0 14px;font-weight:800;letter-spacing:.02em}
.kc-head p{color:rgba(255,255,255,.9);font-size:15px;margin:0 auto;max-width:640px;line-height:1.7}
.kc-stats{display:grid;grid-template-columns:repeat(4,1fr);gap:14px;margin:30px auto 8px;max-width:860px;border-bottom:1px solid var(--line);padding-bottom:30px}
.kc-stats .stat{background:var(--brand-deep);border-radius:14px;padding:20px 12px;text-align:center;color:#fff}
.kc-stats .stat b{display:block;font-size:30px;font-weight:800;line-height:1;letter-spacing:.02em}
.kc-stats .stat span{display:block;font-size:13px;margin-top:8px;opacity:.92}
.kc-note{text-align:center;font-size:12px;color:var(--muted);margin:10px 0 26px}
.kc-top{position:fixed;right:22px;bottom:92px;z-index:99;background:#fff;color:var(--brand-deep);border:1px solid var(--line);border-radius:999px;padding:9px 13px;font-size:12px;font-weight:700;cursor:pointer;display:flex;align-items:center;gap:5px;box-shadow:0 6px 18px rgba(7,90,73,.12)}
.kc-top:hover{background:var(--brand-soft);border-color:var(--brand)}
.feat-card .f-tags{display:flex;gap:6px;margin-bottom:8px;flex-wrap:wrap}
.feat-card .f-tag2{font-size:11px;color:var(--brand);background:#fff;border:1px solid var(--brand);border-radius:999px;padding:2px 9px;font-weight:600}
.cat-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:14px;margin:4px 0 34px}
.cat-card{display:block;background:#fff;border:1px solid var(--line);border-radius:14px;padding:16px 18px;text-decoration:none;transition:transform .15s,box-shadow .15s,border-color .15s}
.cat-card:hover{transform:translateY(-2px);box-shadow:0 10px 26px rgba(7,90,73,.10);border-color:var(--brand)}
.cc-head{display:flex;justify-content:space-between;align-items:center;margin-bottom:10px}
.cc-head h3{font-size:15px;color:var(--brand-deep);font-weight:800;margin:0;line-height:1.3}
.cc-count{font-size:12px;color:var(--brand);background:var(--brand-soft);padding:2px 9px;border-radius:999px;font-weight:700;flex:none;margin-left:8px}
.cc-subs{list-style:none;padding:0;margin:0;border-top:1px dashed var(--line);padding-top:9px}
.cc-subs li{display:flex;justify-content:space-between;font-size:12.5px;color:var(--muted);padding:3px 0;line-height:1.5}
.cc-subs li span{color:var(--muted);font-size:11.5px;background:var(--paper);border:1px solid var(--line);border-radius:999px;padding:0 7px;flex:none}
.cc-more{font-size:12.5px;color:var(--brand);font-weight:700;border-top:1px solid var(--line);padding-top:9px;margin-top:4px}
.cat-card:hover .cc-more{text-decoration:underline}
@media (max-width:960px){.cat-grid{grid-template-columns:repeat(2,1fr)}}
@media (max-width:640px){.cat-grid{grid-template-columns:1fr}}
@media (max-width:760px){.kc-stats{grid-template-columns:repeat(2,1fr);gap:10px}}
@media (max-width:960px){.kc-layout{grid-template-columns:1fr}.kc-tree-col{display:none}}
/*kc-v4-end*/
a.skip-link:focus{left:0;width:auto;height:auto;overflow:visible}