/* 帮助中心改版样式 2026-11-12 */
.zd-doc-tiles{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:16px;margin:30px 0 4px}
.zd-tile{display:flex;align-items:center;gap:14px;padding:18px;background:#fff;border:1px solid #e9ecf6;border-radius:14px;box-shadow:0 2px 10px rgba(48,54,89,.05);text-decoration:none;transition:transform .18s ease,box-shadow .18s ease,border-color .18s ease}
.zd-tile:hover,.zd-tile:focus{transform:translateY(-2px);box-shadow:0 12px 26px rgba(48,54,89,.12);border-color:#dfe4f3;text-decoration:none}
.zd-tile-ico{flex:0 0 46px;width:46px;height:46px;border-radius:12px;display:flex;align-items:center;justify-content:center;color:#fff;background:#4b5bea}
.zd-tile-ico svg{width:24px;height:24px;display:block}
.zd-tile-ico.t1{background:linear-gradient(135deg,#5b7cfa,#3f5be0)}
.zd-tile-ico.t2{background:linear-gradient(135deg,#22b8a6,#0f9b8e)}
.zd-tile-ico.t3{background:linear-gradient(135deg,#f0a04b,#e07a1f)}
.zd-tile-ico.t4{background:linear-gradient(135deg,#a06bf5,#7b3ff2)}
.zd-tile-txt{min-width:0}
.zd-tile-txt b{display:block;font-size:16px;font-weight:600;color:#252a3d;line-height:1.35}
.zd-tile-txt i{display:block;margin-top:2px;font-style:normal;font-size:12px;color:#7b8194}

.doc-list-wrap{padding:34px 0 10px}
.doc-list-wrap .doc-list{background:transparent;border:0;box-shadow:none}
.doc-list-wrap .doc-list .tit{margin:28px 0 0;padding:18px 24px 14px 26px;background:#fff;border:1px solid #e9ecf6;border-bottom:0;border-radius:14px 14px 0 0;font-size:18px;font-weight:600;line-height:1.4;color:#252a3d;position:relative;height:auto}
.doc-list-wrap .doc-list .tit:first-of-type{margin-top:0}
.doc-list-wrap .doc-list .tit::before{content:"";position:absolute;left:0;top:16px;bottom:14px;width:4px;border-radius:0 4px 4px 0;background:#4b5bea}
.doc-list-wrap .doc-list .tit:nth-of-type(2)::before{background:#0f9b8e}
.doc-list-wrap .doc-list .tit:nth-of-type(3)::before{background:#e07a1f}
.doc-list-wrap .doc-list .con{margin:0;padding:8px 14px 14px;background:#fff;border:1px solid #e9ecf6;border-top:1px dashed #eef1f8;border-radius:0 0 14px 14px;box-shadow:0 4px 16px rgba(48,54,89,.04)}
.doc-list-wrap .doc-list .con .row{display:grid;grid-template-columns:1fr 1fr;gap:4px 22px;margin:0}
.doc-list-wrap .doc-list .con .col-sm-6{width:auto;float:none;padding:0;min-height:0}
.doc-list-wrap .doc-list .con .common{display:flex;align-items:center;margin:0;padding:11px 12px;border-radius:10px;transition:background .18s ease}
.doc-list-wrap .doc-list .con .common:hover{background:#f2f5ff}
.doc-list-wrap .doc-list .con .common .arrow{float:none;margin:0 10px 0 0;font-size:12px;font-weight:700;color:#6b7bd6;line-height:1}
.doc-list-wrap .doc-list .con .common .tit1{margin:0;font-size:14px;line-height:1.6;color:#2c3245;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.doc-list-wrap .doc-list .con .common .tit1:hover{color:#3b4bd8;text-decoration:none}
.doc-list-wrap .doc-list .advice{margin:26px 0 10px;color:#7b8194;font-size:13px}
.doc-list-wrap .doc-list .advice a{color:#3b4bd8}
@media (max-width:991px){.zd-doc-tiles{grid-template-columns:repeat(2,minmax(0,1fr))}}
@media (max-width:575px){
  .zd-doc-tiles{grid-template-columns:1fr;gap:12px}
  .doc-list-wrap .doc-list .con .row{grid-template-columns:1fr}
  .doc-list-wrap .doc-list .tit{padding:16px 18px 12px 20px;font-size:16px}
}

/* 文章正文 */
.zd-doc-body{font-size:15px;line-height:1.9;color:#333a4d;word-break:break-word}
.zd-doc-body h3{margin:26px 0 10px;font-size:17px;font-weight:600;color:#20263a;padding-left:10px;border-left:3px solid #4b5bea;line-height:1.5}
.zd-doc-body h3:first-child{margin-top:0}
.zd-doc-body p{margin:0 0 12px}
.zd-doc-body ul,.zd-doc-body ol{margin:0 0 14px;padding-left:22px}
.zd-doc-body li{margin:6px 0}
.zd-doc-body b{color:#20263a}
.zd-doc-body code{background:#f4f6fb;color:#3b4bd8;padding:1px 6px;border-radius:4px;font-size:13px}
.zd-doc-body img{max-width:100%;height:auto}