/* 版式「手册」v2_da_handbook：企业手册。深色书脊式页头；首屏扉页（左标题、右信息框、下数字条）紧跟目录（章节号 + 点线 + 锚点）；
   每章顶部一条页眉式标题条（第 N 章 / 手册名），章节号标题，产品按 N.1 / N.2 小节分组。
   所有规则挂在 body.a72tcw 下，类名前缀 hb-。颜色只用 --v2-* 变量。 */
body.a72tcw{--hb-dark:var(--v2-foot);--hb-mono:ui-monospace,"SF Mono",Menlo,Consolas,monospace;scroll-behavior:smooth}

/* 页头 */
body.a72tcw .a5g84y{background:var(--hb-dark);border-bottom:3px solid var(--v2-brand)}
body.a72tcw .qxzysj{display:flex;align-items:center;gap:28px;min-height:60px}
body.a72tcw .k54jz2{display:flex;align-items:baseline;gap:12px;margin-right:auto;color:#fff}
body.a72tcw .k54jz2 b{font-size:18px;letter-spacing:.04em}
body.a72tcw .k54jz2 small{font-size:12px;color:var(--v2-footink);letter-spacing:.08em}
body.a72tcw .pj8nq5{display:flex;gap:2px;font-size:13px;counter-reset:hbnav}
body.a72tcw .pj8nq5 a{padding:18px 12px;color:var(--v2-footink);counter-increment:hbnav}
body.a72tcw .pj8nq5 a::before{content:counter(hbnav,decimal-leading-zero);margin-right:6px;font:11px var(--hb-mono);color:color-mix(in srgb,var(--v2-footink) 60%,transparent)}
body.a72tcw .pj8nq5 a:hover,body.a72tcw .pj8nq5 a.hk7pku{color:#fff;background:color-mix(in srgb,#fff 8%,transparent)}
body.a72tcw .pj8nq5 a.hk7pku::before{color:var(--v2-brand2)}

/* 首屏：扉页 */
body.a72tcw .h8w795{padding:56px 0 0;background:var(--v2-white)}
body.a72tcw .w9e5n7{display:grid;grid-template-columns:minmax(0,7fr) minmax(0,5fr);gap:48px;align-items:start}
body.a72tcw .js72b7{display:inline-flex;gap:12px;margin:0 0 18px;padding:4px 10px;background:var(--v2-ink);color:var(--v2-white);font-size:12px;letter-spacing:.1em}
body.a72tcw .js72b7 span{font-family:var(--hb-mono);color:var(--v2-brand2)}
body.a72tcw .h8w795 h1{margin:0;font-size:38px;line-height:1.25;font-weight:800;color:var(--v2-ink)}
body.a72tcw .daqudj{margin:14px 0 0;font-size:16px;font-weight:600;color:var(--v2-ink)}
body.a72tcw .m5g7pn{margin:10px 0 0;font-size:15px;color:var(--v2-muted)}
body.a72tcw .bc5rvw{display:flex;flex-wrap:wrap;gap:0;margin:18px 0 0;padding:0;list-style:none;font-size:12px}
body.a72tcw .bc5rvw li{padding:3px 10px;border:1px solid var(--v2-line);margin:0 -1px -1px 0;color:var(--v2-muted)}
body.a72tcw .kuqwa6{display:flex;flex-wrap:wrap;gap:10px;margin-top:24px}
body.a72tcw .mzzhmv{background:var(--v2-paper);border-top:4px solid var(--v2-ink)}
body.a72tcw .r9vd44{margin:0;padding:10px 18px;font-size:12px;letter-spacing:.12em;color:var(--v2-muted);border-bottom:1px solid var(--v2-line)}

/* 身份信息 */
body.a72tcw .my9d2c{margin:0}
body.a72tcw .my9d2c dt,body.a72tcw .my9d2c dd{margin:0}
body.a72tcw .quz5z2 .csczxt{display:grid;grid-template-columns:84px 1fr;gap:12px;padding:10px 18px;border-bottom:1px solid var(--v2-line);font-size:14px}
body.a72tcw .quz5z2 .csczxt:last-child{border-bottom:0}
body.a72tcw .quz5z2 dt,body.a72tcw .q6b58z dt{color:var(--v2-muted);font-size:13px}
body.a72tcw .quz5z2 dd,body.a72tcw .q6b58z dd{color:var(--v2-ink)}
body.a72tcw .ehknup{font-weight:800;color:var(--v2-brand)}
body.a72tcw .quz5z2 .ehknup{font-size:18px}
body.a72tcw .q6b58z{border:1px solid var(--v2-line)}
body.a72tcw .q6b58z .csczxt{display:grid;grid-template-columns:96px 1fr;border-bottom:1px solid var(--v2-line);font-size:14px}
body.a72tcw .q6b58z .csczxt:last-child{border-bottom:0}
body.a72tcw .q6b58z dt{padding:10px 14px;background:var(--v2-paper);border-right:1px solid var(--v2-line)}
body.a72tcw .q6b58z dd{padding:10px 14px}

/* 关键数字条 */
body.a72tcw .msmb7f{display:grid;grid-template-columns:repeat(auto-fit,minmax(0,1fr));margin:40px 0 0;padding:0;list-style:none;border-top:1px solid var(--v2-ink);border-bottom:1px solid var(--v2-ink)}
body.a72tcw .msmb7f .u9h7ue{display:flex;align-items:baseline;gap:10px;padding:16px 20px;border-left:1px solid var(--v2-line)}
body.a72tcw .msmb7f .u9h7ue:first-child{border-left:0;padding-left:0}
body.a72tcw .msmb7f b{font:700 34px/1 var(--hb-mono);color:var(--v2-ink)}
body.a72tcw .msmb7f span{font-size:13px;color:var(--v2-muted)}

/* 目录 */
body.a72tcw .w6eg69{padding:40px 0 56px;background:var(--v2-white);border-bottom:1px solid var(--v2-line)}
body.a72tcw .jek5ds{display:grid;grid-template-columns:200px minmax(0,1fr);gap:40px}
body.a72tcw .pw5mjq{margin:0;font-size:26px;font-weight:800;color:var(--v2-ink);line-height:1.2}
body.a72tcw .pw5mjq small{display:block;margin-top:6px;font:12px var(--hb-mono);letter-spacing:.2em;color:var(--v2-brand)}
body.a72tcw .qnh4m4{display:grid;grid-template-columns:1fr 1fr;gap:0 48px;margin:0;padding:0;list-style:none}
body.a72tcw .qnh4m4 a{display:flex;align-items:baseline;gap:12px;padding:11px 0;border-bottom:1px solid var(--v2-line);color:var(--v2-ink)}
body.a72tcw .qnh4m4 b{font:700 14px var(--hb-mono);color:var(--v2-brand)}
body.a72tcw .qnh4m4 span{font-size:15px;font-weight:600}
body.a72tcw .qnh4m4 i{flex:1;border-bottom:1px dotted var(--v2-muted);transform:translateY(-4px)}
body.a72tcw .qnh4m4 small{font:11px var(--hb-mono);letter-spacing:.1em;color:var(--v2-muted)}
body.a72tcw .qnh4m4 a:hover span{color:var(--v2-brand)}

/* 章 */
body.a72tcw .j6pcvb{padding:0 0 72px;background:var(--v2-white);scroll-margin-top:8px}
body.a72tcw .j6pcvb:nth-of-type(even){background:var(--v2-white)}
body.a72tcw .qykn4g{margin:0 0 44px;background:var(--v2-paper);border-top:1px solid var(--v2-line);border-bottom:2px solid var(--v2-brand)}
body.a72tcw .qykn4g>span{display:flex;justify-content:space-between;gap:16px;padding-top:9px;padding-bottom:9px;font-size:12px}
body.a72tcw .qykn4g b{font-family:var(--hb-mono);letter-spacing:.1em;color:var(--v2-brand)}
body.a72tcw .qykn4g em{font-style:normal;color:var(--v2-muted);letter-spacing:.08em}
body.a72tcw .s84x2t{display:flex;align-items:baseline;gap:16px;margin:0 0 32px;font-size:30px;font-weight:800;color:var(--v2-ink)}
body.a72tcw .s84x2t b{font:700 30px var(--hb-mono);color:var(--v2-brand)}
body.a72tcw .s84x2t small{margin-left:auto;font-size:13px;font-weight:400;color:var(--v2-muted)}
body.a72tcw .xvcm6t{display:flex;align-items:baseline;gap:10px;margin:0 0 16px;padding-bottom:8px;border-bottom:1px solid var(--v2-ink);font-size:17px;font-weight:700;color:var(--v2-ink)}
body.a72tcw .xvcm6t b{font:600 14px var(--hb-mono);color:var(--v2-brand)}
body.a72tcw .xvcm6t small{margin-left:auto;font-size:12px;font-weight:400;color:var(--v2-muted)}
body.a72tcw .zgx4rw{display:grid;grid-template-columns:minmax(0,7fr) minmax(0,5fr);gap:48px}
body.a72tcw .xbwp57 p{margin:0 0 14px;font-size:15px;line-height:1.95;color:var(--v2-ink)}
body.a72tcw .b8rjaj{margin:20px 0 0;font-size:14px}
body.a72tcw .b8rjaj a{color:var(--v2-brand);font-weight:700}

/* 产品 */
body.a72tcw .db4g3h+.db4g3h{margin-top:44px}
body.a72tcw .kd34uw{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:28px 20px;margin:0;padding:0;list-style:none}
body.a72tcw .kd34uw a{display:block;color:var(--v2-ink)}
body.a72tcw .kd34uw img,body.a72tcw .yfubye{width:100%;aspect-ratio:4/3;object-fit:cover;background:var(--v2-paper);border:1px solid var(--v2-line)}
body.a72tcw .yfubye{display:grid;place-items:center;color:var(--v2-muted)}
body.a72tcw .kd34uw small{display:block;margin-top:10px;font:12px var(--hb-mono);color:var(--v2-brand)}
body.a72tcw .kd34uw b{display:block;margin-top:2px;font-size:15px}
body.a72tcw .kd34uw p{margin:4px 0 0;font-size:13px;line-height:1.7;color:var(--v2-muted)}
body.a72tcw .kd34uw a:hover b{color:var(--v2-brand)}

/* 实力 / 流程 / 问答 / 新闻 */
body.a72tcw .f6erx6{display:grid;grid-template-columns:1fr 1fr;gap:0 40px;margin:0;padding:0;list-style:none}
body.a72tcw .f6erx6 li{display:grid;grid-template-columns:48px 1fr;gap:2px 12px;padding:16px 0;border-top:1px solid var(--v2-line)}
body.a72tcw .f6erx6 small{grid-row:span 2;font:600 14px var(--hb-mono);color:var(--v2-brand)}
body.a72tcw .f6erx6 b{font-size:16px;color:var(--v2-ink)}
body.a72tcw .f6erx6 p{margin:0;font-size:14px;color:var(--v2-muted)}
body.a72tcw .reqxzm{margin:0;padding:0;list-style:none;border:1px solid var(--v2-line)}
body.a72tcw .reqxzm li{display:grid;grid-template-columns:110px 200px 1fr;gap:16px;align-items:baseline;padding:14px 18px;border-bottom:1px solid var(--v2-line)}
body.a72tcw .reqxzm li:last-child{border-bottom:0}
body.a72tcw .reqxzm li:nth-child(odd){background:var(--v2-paper)}
body.a72tcw .reqxzm small{font:600 13px var(--hb-mono);color:var(--v2-brand)}
body.a72tcw .reqxzm b{color:var(--v2-ink)}
body.a72tcw .reqxzm p{margin:0;font-size:14px;color:var(--v2-muted)}
body.a72tcw .xp6xac details{padding:14px 0;border-bottom:1px solid var(--v2-line)}
body.a72tcw .xp6xac summary{cursor:pointer;font-weight:700;color:var(--v2-ink)}
body.a72tcw .xp6xac summary small{margin-right:12px;font:600 13px var(--hb-mono);color:var(--v2-brand)}
body.a72tcw .xp6xac p{margin:8px 0 0 52px;font-size:14px;color:var(--v2-muted)}
body.a72tcw .rnr3ac{margin:0;padding:0;list-style:none}
body.a72tcw .rnr3ac li{display:flex;align-items:baseline;gap:12px;padding:10px 0}
body.a72tcw .rnr3ac a{color:var(--v2-ink)}
body.a72tcw .rnr3ac i{flex:1;border-bottom:1px dotted var(--v2-muted)}
body.a72tcw .rnr3ac time{font:12px var(--hb-mono);color:var(--v2-muted)}

/* 页脚：版权页 */
body.a72tcw .cvx4gm{background:var(--hb-dark);color:var(--v2-footink);font-size:13px;padding-bottom:36px}
body.a72tcw .n5jear{margin:0 0 36px;border-bottom:2px solid var(--v2-brand);background:color-mix(in srgb,#fff 6%,transparent)}
body.a72tcw .n5jear>span{display:flex;justify-content:space-between;padding-top:9px;padding-bottom:9px;font-size:12px}
body.a72tcw .n5jear b{font-family:var(--hb-mono);letter-spacing:.1em;color:var(--v2-brand2)}
body.a72tcw .n5jear em{font-style:normal}
body.a72tcw .p9kpdz{display:grid;grid-template-columns:minmax(0,5fr) minmax(0,4fr) minmax(0,2fr);gap:40px}
body.a72tcw .q77ecn p{margin:6px 0 0}
body.a72tcw .cvx4gm strong{color:#fff;font-size:15px}
body.a72tcw .y3v4xx .csczxt{display:grid;grid-template-columns:72px 1fr;gap:10px;padding:5px 0;border-bottom:1px solid color-mix(in srgb,var(--v2-footink) 20%,transparent)}
body.a72tcw .y3v4xx dd{color:#fff}
body.a72tcw .y3v4xx .ehknup{color:var(--v2-brand2)}
body.a72tcw .sg5fpt{display:flex;flex-direction:column;gap:6px;counter-reset:hbft}
body.a72tcw .sg5fpt a{counter-increment:hbft}
body.a72tcw .sg5fpt a::before{content:counter(hbft,decimal-leading-zero) "  ";font:11px var(--hb-mono);color:var(--v2-brand2)}
body.a72tcw .sg5fpt a:hover{color:#fff}

/* 首页引入的通用版块 + 内页组件：直角、等宽编号、页眉式标题条 */
body.a72tcw .za5uw7{padding:56px 0;background:var(--v2-white);border-bottom:0;border-top:2px solid var(--v2-brand)}
body.a72tcw .e9zn6x{background:var(--v2-paper)}
body.a72tcw .gtwvcj{padding:56px 0 48px;background:var(--v2-white);border-bottom:1px solid var(--v2-line)}
body.a72tcw .gtwvcj h1 em{color:var(--v2-brand);border-bottom-width:2px}
body.a72tcw .edjgvg,body.a72tcw .d74m2a li{border-radius:0}
body.a72tcw .wkxs6c{padding-bottom:12px;border-bottom:1px solid var(--v2-ink);margin-bottom:28px}
body.a72tcw .wkxs6c h1,body.a72tcw .wkxs6c h2{font-size:28px;font-weight:800}
body.a72tcw .q6qcxz{display:inline-block;padding:2px 8px;background:var(--v2-ink);color:var(--v2-white);font:600 11px var(--hb-mono);letter-spacing:.12em}
body.a72tcw .tefws7{color:var(--v2-brand)}
body.a72tcw .xgrwec,body.a72tcw .k3e739{border-radius:0;box-shadow:none}
body.a72tcw .t3rk9f,body.a72tcw .d5ugu3 img,body.a72tcw .xxughs{border-radius:0}
body.a72tcw .tqefnm li,body.a72tcw .esba2q li{border-radius:0}
body.a72tcw .tqefnm li::before{border-radius:0;font-family:var(--hb-mono)}
body.a72tcw .kmyze4 details{border-radius:0;border-width:0 0 1px;padding:16px 0;margin:0;background:transparent}
body.a72tcw .kvpgpb,body.a72tcw .cbhjcx,body.a72tcw .wn7a8t,body.a72tcw .wzct49 a,body.a72tcw .h69q7g{border-radius:0}
body.a72tcw .sdzegd{border-radius:0}
body.a72tcw a.r8nk2y{color:var(--v2-ink);border-color:var(--v2-ink);background:transparent}
body.a72tcw .hjwe6b{border-radius:0;background:var(--v2-ink);color:var(--v2-white);border-left:6px solid var(--v2-brand)}
body.a72tcw .hjwe6b .kgsjxf,body.a72tcw .wadu3m{color:var(--v2-line);opacity:1}
body.a72tcw .hjwe6b .sdzegd{background:var(--v2-brand);color:var(--v2-onbrand)}

@media(max-width:1000px){
  body.a72tcw .qxzysj{flex-wrap:wrap;gap:0;padding-top:10px}
  body.a72tcw .pj8nq5{width:100%;overflow-x:auto;white-space:nowrap}
  body.a72tcw .pj8nq5 a{padding:12px 10px}
  body.a72tcw .w9e5n7,body.a72tcw .zgx4rw,body.a72tcw .jek5ds{grid-template-columns:minmax(0,1fr);gap:28px}
  body.a72tcw .msmb7f{grid-template-columns:1fr 1fr}
  body.a72tcw .msmb7f .u9h7ue:nth-child(3){border-left:0;padding-left:0}
  body.a72tcw .msmb7f .u9h7ue:nth-child(n+3){border-top:1px solid var(--v2-line)}
  body.a72tcw .kd34uw{grid-template-columns:repeat(3,minmax(0,1fr))}
  body.a72tcw .reqxzm li{grid-template-columns:90px 1fr}
  body.a72tcw .reqxzm p{grid-column:2}
  body.a72tcw .p9kpdz{grid-template-columns:minmax(0,1fr) minmax(0,1fr)}
  body.a72tcw .q77ecn{grid-column:1/-1}
}
@media(max-width:560px){
  body.a72tcw .h8w795{padding-top:32px}
  body.a72tcw .h8w795 h1{font-size:28px}
  body.a72tcw .msmb7f .u9h7ue{padding:12px 10px 12px 0;border-left:0}
  body.a72tcw .msmb7f b{font-size:26px}
  body.a72tcw .qnh4m4{grid-template-columns:minmax(0,1fr)}
  body.a72tcw .s84x2t{font-size:24px;flex-wrap:wrap}
  body.a72tcw .s84x2t b{font-size:24px}
  body.a72tcw .kd34uw{grid-template-columns:repeat(2,minmax(0,1fr));gap:20px 12px}
  body.a72tcw .f6erx6{grid-template-columns:minmax(0,1fr)}
  body.a72tcw .reqxzm li{grid-template-columns:minmax(0,1fr);gap:2px}
  body.a72tcw .reqxzm p{grid-column:auto}
  body.a72tcw .xp6xac p{margin-left:0}
  body.a72tcw .rnr3ac li{flex-direction:column;gap:2px}
  body.a72tcw .rnr3ac i{flex:none;border:0}
  body.a72tcw .p9kpdz{grid-template-columns:minmax(0,1fr)}
  body.a72tcw .wkxs6c h1,body.a72tcw .wkxs6c h2{font-size:22px}
}

/* 内页产品卡图：img 自带 height 属性，统一按 4:3 显示 */
body.a72tcw .t3rk9f{height:auto;aspect-ratio:4/3;object-fit:cover}