body{margin:0;font-family:'Inter','PingFang SC','Hiragino Sans GB','Microsoft YaHei','Noto Sans SC',system-ui,-apple-system,'Segoe UI',Arial,sans-serif;color:#1B1B1B;background:#fff}
a{color:#0051C3}a:hover{color:#003681}
.wrap{max-width:1200px;margin:0 auto;padding-left:24px;padding-right:24px;box-sizing:border-box}
.num{font-family:'Inter',system-ui,sans-serif;font-feature-settings:"tnum"}
.bn{display:inline-flex;align-items:center;gap:4px;min-height:44px;color:#1B1B1B;text-decoration:none;font-size:15px;font-weight:500}
.bn:hover,.bd:hover>.bn{color:#BF5509}
.bn-on{color:#BF5509;font-weight:700}
.bd{position:relative}
.bd .sm{display:none;position:absolute;top:100%;left:-12px;z-index:40;min-width:200px;background:#fff;border:1px solid #E5E5E5;border-radius:14px;box-shadow:0 18px 40px rgba(0,0,0,.12);padding:8px;flex-direction:column}
.bd .sm::before{content:"";position:absolute;left:0;right:0;top:-10px;height:10px}
.bd:hover .sm,.bd:focus-within .sm{display:flex}
.sm a{display:flex;align-items:center;min-height:40px;padding:0 12px;border-radius:8px;color:#1B1B1B;text-decoration:none;font-size:14px}
.sm a:hover{background:#FEF3EA;color:#BF5509}
.sm hr{border:0;border-top:1px solid #EEE;margin:6px 4px}
.srch{display:flex;align-items:center;gap:8px;height:42px;padding:0 14px;border:1px solid #D0D0D0;border-radius:999px;background:#F7F7F7;box-sizing:border-box}
.srch input{border:0;background:transparent;outline:none;font-family:inherit;font-size:14px;width:150px;color:#1B1B1B}
.srch:focus-within{border-color:#FF6124;background:#fff}
.tag{display:inline-flex;align-items:center;height:24px;padding:0 9px;border-radius:6px;font-size:12px;font-weight:700;color:#BF5509;background:#FFF0E9;text-decoration:none;white-space:nowrap}
.chip{min-height:40px;padding:0 18px;border-radius:999px;font-size:14px;font-family:inherit;cursor:pointer;box-sizing:border-box}
.pc{display:grid;grid-template-columns:240px minmax(0,1fr);gap:24px;padding:24px 0;border-bottom:1px solid #EAEAEA;text-decoration:none;color:#1B1B1B}
.pc:hover h3{color:#BF5509}
.th{border-radius:14px;overflow:hidden;position:relative;display:flex;flex-direction:column;justify-content:space-between;padding:18px;box-sizing:border-box}
.th b{font-size:26px;font-weight:900;letter-spacing:-.3px;line-height:1.1}
.th i{font-style:normal;font-size:11px;letter-spacing:2px;font-weight:700;opacity:.8}
.sb{border:1px solid #E5E5E5;border-radius:16px;padding:22px;display:flex;flex-direction:column;gap:14px;background:#fff}
.sb h4{margin:0;font-size:16px;font-weight:800}
.pg{display:inline-flex;align-items:center;justify-content:center;min-width:44px;height:44px;padding:0 14px;border-radius:10px;border:1px solid #D0D0D0;text-decoration:none;color:#1B1B1B;font-size:15px;box-sizing:border-box}
.pg:hover{border-color:#FF6124;color:#BF5509}
.pg-on{background:#1B1B1B;border-color:#1B1B1B;color:#fff}
.bf a{color:#C7C7C7;text-decoration:none;font-size:14px}.bf a:hover{color:#fff}
.art{font-size:17px;line-height:1.95;color:#2B2B2B}
.art h2{font-size:26px;line-height:1.35;margin:44px 0 14px;color:#1B1B1B;font-weight:800;scroll-margin-top:90px}
.art p{margin:0 0 18px}
.art ul{margin:0 0 20px;padding-left:22px}
.art li{margin-bottom:10px}
.art strong{color:#1B1B1B}
.toc a{display:block;padding:8px 12px;border-left:2px solid #E5E5E5;color:#595959;text-decoration:none;font-size:14px;line-height:1.5}
.toc a:hover{border-left-color:#FF6124;color:#BF5509}
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;min-height:46px;padding:0 22px;border-radius:999px;font-size:15px;font-weight:600;text-decoration:none;box-sizing:border-box}
.btn-o{background:#FF6124;color:#fff}.btn-o:hover{background:#F04E10;color:#fff}
.btn-g{border:1px solid #6B6B6B;color:#fff}.btn-g:hover{border-color:#fff;color:#fff}
@media (max-width:720px){.pc{grid-template-columns:1fr}}

section[id]{scroll-margin-top:72px}
@media (max-width:900px){[style*="minmax(0, 1fr) 320px"],[style*="minmax(0, 760px) 280px"]{grid-template-columns:1fr!important}aside{position:static!important}.mm{display:none!important}}
@media (max-width:640px){.wrap{padding-left:16px!important;padding-right:16px!important}h1{font-size:36px!important}h2{font-size:28px!important}h2 span{white-space:normal!important}header{position:static!important}}
</style>
<style>.widget-fd a.on{background-color:#FF6124!important}.widget-fd a:hover{background-color:#FF6124!important}</style>
<script>
/* 页面内重新渲染出来的「在线客服」按钮（如切换套餐后）也能打开客服窗口 */
document.addEventListener('click', function (e) {
  var a = e.target.closest && e.target.closest('.online_kf');
  if (!a || a.closest('.widget-fd')) return;
  e.preventDefault();
  try { if (window.AICSWidget && !AICSWidget.isOpen()) AICSWidget.open(); } catch (err) {}
});
</script>
</body>
.th img{position:absolute;inset:0;width:100%;height:100%;object-fit:cover}
.art img{max-width:100%;height:auto;border-radius:12px;display:block;margin:18px auto}
.art h3{font-size:21px;line-height:1.4;margin:32px 0 12px;color:#1B1B1B;font-weight:800}
.art a{color:#0051C3}
.art table{width:100%;border-collapse:collapse;margin:0 0 20px;font-size:15px;display:block;overflow-x:auto}
.art th,.art td{border:1px solid #E5E5E5;padding:10px 12px;text-align:left}
.art th{background:#F7F7F7}
.art blockquote{margin:0 0 20px;padding:14px 18px;border-left:3px solid #FF6124;background:#FFF6F1;color:#3D3D3D}
.art pre{background:#1B1B1B;color:#F2F2F2;padding:16px;border-radius:12px;overflow-x:auto;font-size:14px;line-height:1.6}
.art code{font-family:Consolas,Menlo,monospace}
.empty{padding:60px 0;text-align:center;color:#595959;font-size:16px}
.chip-a{display:inline-flex;align-items:center;min-height:40px;padding:0 18px;border-radius:999px;font-size:14px;text-decoration:none;box-sizing:border-box;background:#fff;color:#1B1B1B;border:1px solid #D0D0D0}
.chip-a:hover{border-color:#FF6124;color:#BF5509}
.chip-on{background:#1B1B1B;color:#fff;border-color:#1B1B1B;font-weight:600}
.chip-on:hover{color:#fff}