/* 资源中心（引流内容）共享样式 —— 与营销站顶栏同构 */
:root{
  --primary:#2f6bed; --primary-700:#2257cf;
  --primary-soft:rgba(47,107,237,.07); --primary-bd:rgba(47,107,237,.20);
  --line:#e7e9ee; --line-2:#eef0f3;
  --bg:#ffffff; --bg-soft:#f6f7f9; --card:#fff;
  --txt:#161a22; --txt-2:#5a6373; --txt-3:#9098a6;
  --geo:#6d5ae6; --geo-soft:rgba(109,90,230,.09); --geo-bd:rgba(109,90,230,.22);
  --sh-1:0 1px 2px rgba(16,24,40,.04);
  --sh-2:0 1px 2px rgba(16,24,40,.04),0 1px 3px rgba(16,24,40,.04);
  --sh-hover:0 8px 24px rgba(16,24,40,.08);
  --r:12px; --r-lg:16px;
  --sans:"PingFang SC","Microsoft YaHei","Noto Sans SC",system-ui,-apple-system,"Segoe UI",sans-serif;
  --num:"SF Mono",ui-monospace,"Roboto Mono",Menlo,Consolas,monospace;
}
*{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth}
body{font-family:var(--sans);color:var(--txt);background:var(--bg);-webkit-font-smoothing:antialiased;font-size:16px;line-height:1.7}
a{color:inherit;text-decoration:none}
h1,h2,h3,h4{letter-spacing:-.02em;font-weight:600}
.wrap{max-width:1160px;margin:0 auto;padding:0 24px}

.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;font-size:15px;font-weight:600;line-height:1;border-radius:10px;padding:12px 20px;cursor:pointer;border:1px solid transparent;transition:transform .18s,box-shadow .18s,background .18s}
.btn-primary{background:var(--primary);color:#fff;box-shadow:0 1px 2px rgba(16,24,40,.10)}
.btn-primary:hover{background:var(--primary-700);transform:translateY(-1px);box-shadow:var(--sh-hover)}
.btn-ghost{background:#fff;color:var(--txt);border-color:var(--line)}
.btn-ghost:hover{border-color:#cfd5df;transform:translateY(-1px)}
.btn-sm{padding:9px 16px;font-size:14px}

.top{position:sticky;top:0;z-index:50;background:rgba(255,255,255,.86);backdrop-filter:saturate(180%) blur(12px);border-bottom:1px solid var(--line-2)}
.top > .wrap{position:relative;display:flex;align-items:center;gap:16px;height:62px}
.brand{display:flex;align-items:center;gap:10px;position:relative;z-index:2;flex:none}
.brand .dot{width:32px;height:32px;border-radius:9px;background:linear-gradient(135deg,#2f6bed,#7657e8);display:grid;place-items:center;flex:none}
.brand b{display:block;font-size:16px;font-weight:600;line-height:1.2}
.brand small{display:block;font-size:9px;color:var(--txt-3);letter-spacing:.08em;font-weight:500}
.top nav{display:flex;gap:2px;align-items:center;margin-left:28px;flex:none}
.top nav > a{color:var(--txt-2);font-size:16px;font-weight:500;padding:9px 15px;border-radius:8px;white-space:nowrap;transition:color .15s,background .15s}
.top nav > a:hover{color:var(--txt);background:var(--bg-soft)}
.top nav > a.cur{color:var(--txt);font-weight:600;background:var(--bg-soft)}
.navprod{display:flex;align-items:center;position:relative}
.navprod::after{content:"";position:absolute;left:0;right:0;top:100%;height:16px}
.navprod-t{display:inline-flex;align-items:center;gap:6px;background:none;border:none;font:inherit;font-size:16px;font-weight:500;color:var(--txt-2);cursor:pointer;padding:9px 15px;border-radius:8px;transition:color .15s,background .15s}
.navprod-t:hover,.top:has(.navprod:hover) .navprod-t,.top:has(.subnav:hover) .navprod-t,.top.prod-open .navprod-t{color:var(--txt);background:var(--bg-soft)}
.navprod-t svg{transition:transform .2s}
.top:has(.navprod:hover) .navprod-t svg,.top:has(.subnav:hover) .navprod-t svg,.top.prod-open .navprod-t svg{transform:rotate(180deg)}
.subnav{max-height:0;overflow:hidden;opacity:0;border-top:1px solid transparent;background:rgba(255,255,255,.92);transition:max-height .22s ease,opacity .18s ease,border-color .18s ease}
.top:has(.navprod:hover) .subnav,.top:has(.subnav:hover) .subnav,.top.prod-open .subnav{max-height:52px;opacity:1;border-top-color:var(--line-2);overflow-x:auto}
.subnav .wrap{display:flex;align-items:center;justify-content:flex-start;gap:6px;height:46px;padding-left:4px;overflow-x:auto;scrollbar-width:none;-ms-overflow-style:none}
.subnav a{flex:none;font-size:14.5px;font-weight:500;color:var(--txt-2);padding:7px 14px;border-radius:8px;white-space:nowrap;transition:background .15s,color .15s}
.subnav a:hover{color:var(--txt);background:var(--bg-soft)}
.subnav a.cur{color:#fff;background:var(--primary);font-weight:600}
.sp{flex:1}
.actions{display:flex;align-items:center;gap:12px;position:relative;z-index:2}
.actions .login{font-size:14.5px;color:var(--txt-2);padding:9px 14px}
.actions .login:hover{color:var(--txt)}
.nav-phone{display:inline-flex;align-items:center;gap:7px;height:36px;padding:0 14px;
  border:1px solid var(--line);border-radius:999px;font-size:15px;font-weight:600;color:var(--txt);
  letter-spacing:.02em;white-space:nowrap;text-decoration:none;
  transition:border-color .15s,color .15s,background .15s}
.nav-phone:hover{border-color:var(--primary-bd,#c9d7f8);color:var(--primary);background:var(--primary-soft,rgba(47,107,237,.07))}
.nav-phone svg{flex:none;color:var(--primary)}
.nav-phone-num{font-variant-numeric:tabular-nums}
@media(max-width:900px){.top nav{display:none}}

.hero{background:linear-gradient(180deg,#f7f9fd 0%,#fff 100%);border-bottom:1px solid var(--line-2);padding:48px 0 40px}
.hero h1{font-size:32px;margin-bottom:8px}
.hero p{color:var(--txt-2);font-size:15.5px;max-width:560px}
.tag{display:inline-flex;font-size:12px;font-weight:600;color:var(--geo);background:var(--geo-soft);border:1px solid var(--geo-bd);padding:3px 10px;border-radius:999px;margin-bottom:14px}

.res-cat{padding:36px 0 8px;scroll-margin-top:84px}
.res-cat + .res-cat{border-top:1px solid var(--line-2);margin-top:12px}
.res-cat-head{display:flex;align-items:flex-end;justify-content:space-between;gap:16px;margin-bottom:18px;flex-wrap:wrap}
.res-cat-head h2{font-size:22px;line-height:1.25;margin:0 0 4px}
.res-cat-head p{font-size:14px;color:var(--txt-2);margin:0}
.res-cat-more{font-size:14px;font-weight:600;color:var(--primary);white-space:nowrap;padding:6px 0}
.res-cat-more:hover{color:var(--primary-700)}
.grid{display:grid;grid-template-columns:repeat(3,1fr);gap:16px;padding:0 0 40px}
@media(max-width:960px){.grid{grid-template-columns:1fr 1fr}}
@media(max-width:640px){.grid{grid-template-columns:1fr}}
.card{display:flex;flex-direction:column;gap:10px;padding:22px 22px 20px;border:1px solid var(--line);border-radius:14px;background:var(--card);box-shadow:var(--sh-1);transition:border-color .18s,box-shadow .18s,transform .18s}
.card:hover{border-color:var(--primary-bd);box-shadow:var(--sh-hover);transform:translateY(-2px)}
.card .k{font-size:11.5px;font-weight:600;color:var(--geo);letter-spacing:.02em}
.card .k.crm{color:#159b6a}
.card h3{font-size:17px;line-height:1.35}
.card p{font-size:13.8px;color:var(--txt-2);flex:1}
.card .more{font-size:13.5px;font-weight:600;color:var(--primary);margin-top:4px}

.cta{background:var(--bg-soft);border:1px solid var(--line);border-radius:16px;padding:28px 32px;display:flex;align-items:center;gap:20px;flex-wrap:wrap;margin-bottom:56px}
.cta h2{font-size:20px;margin-bottom:6px}
.cta p{font-size:14.5px;color:var(--txt-2)}
.cta .acts{margin-left:auto;display:flex;gap:10px;flex-wrap:wrap}

.doc{max-width:860px;margin:0 auto;padding:36px 28px 64px;position:relative}
.doc-with-toc{max-width:860px}
.crumb{display:flex;flex-wrap:wrap;align-items:center;gap:6px 8px;font-size:13px;color:var(--txt-3);margin-bottom:18px;line-height:1.5}
.crumb a{color:var(--txt-2);max-width:100%}
.crumb a:hover{color:var(--primary)}
.crumb-sep{color:#c5cad3;font-size:12px;line-height:1;user-select:none}
.crumb-cur{color:var(--txt-3);max-width:min(100%,520px);overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
.doc h1{font-size:30px;line-height:1.25;margin-bottom:12px}
.doc .lede{font-size:16px;color:var(--txt-2);margin-bottom:28px}
.prose{font-size:15.5px;color:var(--txt);line-height:1.8}
.prose h2,.prose h3{scroll-margin-top:84px}
.prose h2{font-size:21px;margin:32px 0 12px}
.prose h3{font-size:17px;margin:24px 0 10px}

/* 侧栏目录（宽屏，居左） */
.doc-toc{display:none}
.doc-toc-inner{position:sticky;top:88px;max-height:calc(100vh - 110px);overflow:auto;padding:4px 18px 4px 0;border-right:2px solid var(--line-2)}
.doc-toc-title{font-size:12px;font-weight:700;color:var(--txt-3);letter-spacing:.06em;margin-bottom:10px;text-transform:uppercase}
.doc-toc-list{list-style:none;margin:0;padding:0}
.doc-toc-list li{margin:0}
.doc-toc-list a{display:block;font-size:13.5px;line-height:1.45;color:var(--txt-3);padding:6px 0;border-radius:0;transition:color .15s}
.doc-toc-list a:hover{color:var(--txt)}
.doc-toc-list a.cur{color:var(--primary);font-weight:600}
.doc-toc-list .lv3 a{padding-left:14px;font-size:13px}
@media(min-width:1100px){
  .doc-with-toc{
    max-width:min(1280px, calc(100vw - 48px));
    display:grid;
    grid-template-columns:260px minmax(0,1fr);
    column-gap:40px;
    align-items:start;
    padding-left:28px;padding-right:28px;
  }
  .doc-with-toc > .crumb,
  .doc-with-toc > .tag,
  .doc-with-toc > h1,
  .doc-with-toc > .lede,
  .doc-with-toc > .prose,
  .doc-with-toc > .doc-cta{grid-column:2}
  .doc-with-toc > .doc-toc{display:block;grid-column:1;grid-row:1 / span 20}
  .doc-toc-inline{display:none}
}
@media(min-width:1400px){
  .doc-with-toc{
    max-width:min(1360px, calc(100vw - 64px));
    grid-template-columns:280px minmax(0,1fr);
    column-gap:48px;
  }
}

/* 文内目录（窄屏 / SEO） */
.doc-toc-inline{margin:0 0 22px;padding:12px 14px;border:1px solid var(--line);border-radius:12px;background:var(--bg-soft)}
.doc-toc-inline summary{cursor:pointer;font-size:14px;font-weight:600;color:var(--txt);list-style:none;display:flex;align-items:center;justify-content:space-between}
.doc-toc-inline summary::-webkit-details-marker{display:none}
.doc-toc-inline summary::after{content:"▾";color:var(--txt-3);font-size:12px;transition:transform .15s}
.doc-toc-inline[open] summary::after{transform:rotate(180deg)}
.doc-toc-inline .doc-toc-list{margin-top:10px}
.doc-toc-inline .doc-toc-list a{padding:4px 0}
.prose p{margin:0 0 14px}
.prose ul,.prose ol{margin:0 0 14px;padding-left:22px}
.prose li{margin:4px 0}
.prose strong{font-weight:600}
.prose a{color:var(--primary);font-weight:500}
.prose .tw{overflow-x:auto;margin:16px 0 20px;border:1px solid var(--line);border-radius:12px}
.prose table{border-collapse:collapse;width:100%;font-size:13.5px;min-width:460px}
.prose th,.prose td{padding:10px 12px;border-bottom:1px solid var(--line-2);text-align:left;vertical-align:top}
.prose th{background:var(--bg-soft);font-weight:600;color:var(--txt);white-space:nowrap}
.prose tr:last-child td{border-bottom:0}
.prose figure{margin:22px 0 26px}
.prose figure img{width:100%;height:auto;object-fit:contain;border:1px solid var(--line);border-radius:12px;display:block;box-shadow:var(--sh-1);background:#fff}
.prose figcaption{font-size:12.5px;color:var(--txt-3);margin-top:8px;text-align:center;line-height:1.45}
.doc-cta{margin-top:40px;padding:22px 24px;border-radius:14px;border:1px solid var(--primary-bd);background:var(--primary-soft);display:flex;gap:16px;align-items:center;flex-wrap:wrap}
.doc-cta b{display:block;font-size:16px;margin-bottom:4px}
.doc-cta span{font-size:13.5px;color:var(--txt-2)}

footer{border-top:1px solid var(--line);padding:28px 0;font-size:12.7px;color:var(--txt-3)}
footer .wrap{display:flex;flex-wrap:wrap;gap:8px 18px;align-items:center;justify-content:space-between}
footer a{color:var(--txt-2)}
footer a:hover{color:var(--primary)}