:root{--kb:#16866e;--kb-dark:#0d5c4a;--ink:#1b2b27;--ink2:#4a5754;--line:#dbe3e0;--bg:#f4f7f6}
*{box-sizing:border-box}
html,body{margin:0;padding:0}
body{background:var(--bg);color:var(--ink);font:16px/1.85 "Microsoft YaHei","PingFang SC",Arial,sans-serif}
a{color:var(--kb-dark);text-decoration:none}
a:hover{text-decoration:underline}
.kb-wrap{width:min(1120px,calc(100% - 32px));margin:0 auto}
.kb-top{background:#fff;border-bottom:1px solid var(--line)}
.kb-top-in{display:flex;align-items:center;justify-content:space-between;gap:18px;min-height:64px;flex-wrap:wrap}
.kb-top a{font-size:14px;font-weight:700;color:#33443f;margin-right:16px}
.kb-top .kb-tel{font-weight:800;color:var(--kb-dark)}
.kb-main{background:#fff;border-bottom:1px solid var(--line)}
.kb-crumb{padding:16px 0 0;font-size:13px;color:#7b8783}
.kb-crumb a{color:#7b8783}
.kb-crumb span{margin:0 6px}
h1{font-size:31px;line-height:1.4;margin:14px 0 10px;color:#14312a}
.kb-answer{font-size:17px;color:#3f4c49;background:#f0f7f4;border-left:4px solid var(--kb);padding:16px 18px;margin:0 0 22px}
.kb-fig{margin:0 0 26px}
.kb-fig img{display:block;width:100%;height:auto;max-width:760px;margin:0 auto;border:1px solid var(--line);background:#fff}
.kb-fig figcaption{max-width:760px;margin:10px auto 0;font-size:13px;color:#6b7672;text-align:center}
h2{font-size:23px;line-height:1.5;margin:38px 0 12px;color:#16332c;padding-bottom:8px;border-bottom:1px solid var(--line)}
h3{font-size:18px;margin:24px 0 8px;color:#1c3f36}
p{margin:12px 0}
ul,ol{margin:12px 0;padding-left:22px}
li{margin:7px 0}
.kb-table{width:100%;border-collapse:collapse;margin:18px 0;font-size:14px;background:#fff}
.kb-table th,.kb-table td{border:1px solid var(--line);padding:11px 13px;text-align:left;vertical-align:top;line-height:1.7}
.kb-table th{background:#eef5f2;color:#1b4a3d;font-weight:800;width:26%}
.kb-note{background:#fff8e8;border:1px solid #ecdcb8;color:#5f5029;padding:14px 16px;font-size:14px;margin:18px 0}
.kb-faq{margin:14px 0 0;border-top:1px solid var(--line)}
.kb-faq details{border-bottom:1px solid var(--line);background:#fff}
.kb-faq summary{cursor:pointer;list-style:none;padding:16px 40px 16px 2px;position:relative;font-weight:800;color:#1a3d34;font-size:16px}
.kb-faq summary::-webkit-details-marker{display:none}
.kb-faq summary:after{content:"+";position:absolute;right:8px;top:14px;color:var(--kb);font-size:22px}
.kb-faq details[open] summary:after{content:"-"}
.kb-faq p{padding:0 2px 16px;color:var(--ink2);font-size:15px;margin:0}
.kb-rel{display:grid;grid-template-columns:repeat(auto-fit,minmax(240px,1fr));gap:12px;margin:16px 0 0}
.kb-rel a{display:block;background:#fff;border:1px solid var(--line);border-left:4px solid var(--kb);padding:14px 16px;font-size:15px;font-weight:700;color:#1b453b}
.kb-contact{margin:36px 0 0;background:#0f2620;color:#fff;border-radius:4px;padding:24px 26px}
.kb-contact h2{border:0;color:#fff;font-size:21px;margin:0 0 10px;padding:0}
.kb-contact p{color:#c9d5d1;font-size:14px;margin:8px 0}
.kb-contact a{color:#9ee2d1;font-weight:800}
.kb-foot{background:#071511;color:#9caea8;font-size:12.5px;padding:22px 0;margin-top:34px}
.kb-foot a{color:#c7d5d0;margin-right:14px}
@media(max-width:640px){h1{font-size:24px}h2{font-size:20px}.kb-answer{font-size:16px}}