/* 业务场景页 + 首页「角色价值」区块 (沿用 site.css 变量) */
.biz-hero{background:radial-gradient(1000px 500px at 20% -10%,rgba(18,58,138,.55),transparent 70%),var(--navy);color:var(--tx);padding:116px 0 56px}
.biz-hero h1{font-size:clamp(30px,5.4vw,52px);line-height:1.2;font-weight:800;margin:14px 0 14px;letter-spacing:.5px}
.biz-hero .lead{font-size:clamp(17px,2.4vw,21px);color:#d6e0fb;max-width:760px}
.biz-hero .note-demo{display:inline-block;margin-top:16px;font-size:14px;color:var(--gold);border:1px solid rgba(245,194,107,.4);border-radius:999px;padding:6px 14px}
.biz-hero .hero-ctas{margin-top:26px}
.crumbs{font-size:14px;color:var(--tx2)} .crumbs a:hover{color:#fff}
.subnav{position:sticky;top:64px;z-index:20;background:rgba(251,251,249,.94);backdrop-filter:blur(10px);-webkit-backdrop-filter:blur(10px);border-bottom:1px solid var(--rule)}
.subnav .wrap{display:flex;gap:6px;overflow-x:auto;scrollbar-width:none;padding-top:8px;padding-bottom:8px}
.subnav .wrap::-webkit-scrollbar{display:none}
.subnav a{flex:none;min-height:44px;display:inline-flex;align-items:center;padding:0 16px;border-radius:999px;font-size:15px;color:var(--ink2);white-space:nowrap}
.subnav a:hover,.subnav a.on{background:var(--ink);color:#fff}
.sec-biz{padding:72px 0} .sec-biz h2{font-size:clamp(25px,4vw,36px);line-height:1.3;font-weight:800;margin:6px 0 10px}
.sec-biz .desc{max-width:760px}
.tg{display:inline-block;font-size:12.5px;font-weight:700;padding:2px 10px;border-radius:999px;line-height:1.7;white-space:nowrap}
.tg.ok{background:#dcf7ea;color:#0b7a4b}.tg.idea{background:#fff0d6;color:#8a5a00}.tg.feat{background:#e4ecff;color:#2349a8}
/* 角色 */
.role-tabs{display:flex;gap:8px;overflow-x:auto;scrollbar-width:none;padding:4px 2px 10px;-webkit-overflow-scrolling:touch}
.role-tabs::-webkit-scrollbar{display:none}
.role-tab{flex:none;display:inline-flex;align-items:center;gap:8px;min-height:48px;padding:0 20px;border-radius:999px;border:1px solid var(--rule);background:#fff;color:var(--ink2);font-weight:600;font-size:16px}
.role-tab svg{width:20px;height:20px}
.role-tab.on{background:var(--ink);color:#fff;border-color:var(--ink)}
.dark .role-tab{background:rgba(255,255,255,.06);border-color:rgba(255,255,255,.16);color:#cfdaf7}.dark .role-tab.on{background:#fff;color:var(--ink)}
.role-panel{margin-top:10px;background:#fff;border:1px solid var(--rule);border-radius:var(--R);padding:26px;box-shadow:var(--shadow)}
.role-pain{display:flex;gap:16px;align-items:flex-start;padding-bottom:20px;border-bottom:1px dashed var(--rule)}
.role-pain .ico{flex:none;width:52px;height:52px;border-radius:16px;background:linear-gradient(135deg,#e4ecff,#d9f6fb);display:grid;place-items:center;color:#2349a8}.role-pain .ico svg{width:28px;height:28px}
.role-pain small,.role-it small{display:block;font-size:12.5px;font-weight:700;letter-spacing:1px;color:var(--ink3)}
.role-pain p{font-size:18px;font-weight:600;line-height:1.55;margin-top:2px}
.role-items{list-style:none;display:grid;grid-template-columns:1fr 1fr;gap:14px;margin-top:20px}
.role-it{border:1px solid var(--rule);border-radius:var(--r);padding:16px 18px;background:var(--paper);display:flex;flex-direction:column;gap:10px}
.role-it .tg{align-self:flex-start}
.role-it .say b{font-size:16.5px;line-height:1.5;display:block;margin-top:2px}
.role-it p{font-size:15px;color:var(--ink2);line-height:1.55;margin-top:2px}
.role-it .get p{color:var(--ink);font-weight:600}
.role-focus{display:inline-flex;align-items:center;min-height:44px;margin-top:18px;font-weight:700;color:var(--ac)}
.role-legend{margin-top:14px;display:flex;gap:8px;flex-wrap:wrap}
/* 三步图示 */
.steps3{display:grid;grid-template-columns:repeat(3,1fr);gap:16px;margin-top:30px;counter-reset:s}
.step3{position:relative;background:#fff;border:1px solid var(--rule);border-radius:var(--R);padding:24px 22px 22px}
.step3 .n{width:40px;height:40px;border-radius:50%;background:var(--grad);color:#fff;font-weight:800;display:grid;place-items:center;font-size:18px}
.step3 h3{font-size:20px;margin:12px 0 6px}.step3 p{color:var(--ink2);font-size:15.5px}
.step3 .eg{margin-top:12px;background:var(--paper2);border-radius:12px;padding:10px 12px;font-size:14px;color:var(--ink2)}
.step3:not(:last-child)::after{content:"→";position:absolute;right:-17px;top:36px;font-size:22px;color:var(--ac);z-index:2;background:var(--paper);border-radius:50%;width:18px;text-align:center;line-height:1}
/* 场景 */
.scn{display:grid;grid-template-columns:1.05fr 1fr;gap:34px;align-items:start;margin-top:44px;padding-top:44px;border-top:1px solid var(--rule)}
.scn:first-of-type{border-top:0}
.scn.flip .scn-media{order:-1}
.scn h3{font-size:clamp(22px,3.2vw,30px);line-height:1.3;font-weight:800;margin:8px 0 6px}
.scn .who{font-size:14px;color:var(--ink3);font-weight:600}
.flow5{list-style:none;margin-top:16px;display:flex;flex-direction:column;gap:12px}
.flow5 li{display:grid;grid-template-columns:78px 1fr;gap:12px;align-items:start}
.flow5 .k{font-size:13px;font-weight:800;color:#fff;background:var(--ink);border-radius:8px;text-align:center;padding:4px 0;margin-top:2px}
.flow5 .k.s{background:var(--ac)}.flow5 .k.g{background:#0b7a4b}.flow5 .k.t{background:#8a5a00}
.flow5 p{font-size:16px;line-height:1.6}
.flow5 .q{font-weight:700;font-size:17px}
.nums{display:flex;flex-wrap:wrap;gap:10px;margin-top:16px}
.nums span{background:#fff;border:1px solid var(--rule);border-radius:12px;padding:8px 14px;font-size:13.5px;color:var(--ink2)}.nums b{display:block;font-size:20px;color:var(--ink)}
.scn-media{display:flex;flex-direction:column;gap:14px}
.shot{margin:0;background:#fff;border:1px solid var(--rule);border-radius:var(--r);overflow:hidden;box-shadow:var(--shadow)}
.shot button{display:block;width:100%;cursor:zoom-in}.shot img{width:100%;height:auto}
.shot figcaption{padding:10px 14px;font-size:14px;color:var(--ink2);border-top:1px solid var(--rule)}
.shot figcaption b{color:#e65c00;margin-right:6px}
.mini{display:grid;grid-template-columns:repeat(2,1fr);gap:16px;margin-top:28px}
.mini-c{background:#fff;border:1px solid var(--rule);border-radius:var(--R);overflow:hidden;display:flex;flex-direction:column}
.mini-c .shot{border:0;border-radius:0;box-shadow:none}
.mini-c .body{padding:14px 18px 18px}.mini-c h3{font-size:19px;line-height:1.35}.mini-c p{font-size:15px;color:var(--ink2);margin-top:4px}.mini-c .big{font-size:14px;margin-top:8px;color:var(--ink);font-weight:700}
/* 适合 / 不适合 / 清单 */
.fit{display:grid;grid-template-columns:1fr 1fr;gap:16px;margin-top:26px}
.fit>div{border-radius:var(--R);padding:22px;border:1px solid var(--rule);background:#fff}
.fit h3{font-size:19px;margin-bottom:10px}.fit .f-yes h3{color:#0b7a4b}.fit .f-no h3{color:#a33a1a}
.fit ul{list-style:none;display:flex;flex-direction:column;gap:9px}.fit li{padding-left:24px;position:relative;font-size:15.5px}
.fit .f-yes li::before{content:"✓";position:absolute;left:0;color:#0b7a4b;font-weight:800}.fit .f-no li::before{content:"×";position:absolute;left:2px;color:#a33a1a;font-weight:800}
.prep{display:grid;grid-template-columns:repeat(4,1fr);gap:14px;margin-top:22px}
.prep>div{background:#fff;border:1px solid var(--rule);border-radius:var(--r);padding:16px 18px}.prep b{display:block;font-size:17px;margin-bottom:4px}.prep span{font-size:14.5px;color:var(--ink2)}
/* 安全分层 */
.layers{display:flex;flex-direction:column;gap:10px;margin-top:28px}
.layer{display:grid;grid-template-columns:150px 1fr;gap:16px;align-items:center;border-radius:var(--r);padding:14px 18px;color:#fff}
.layer b{font-size:17px}.layer span{font-size:15px;color:#dbe6ff}
.layer:nth-child(1){background:#16306e}.layer:nth-child(2){background:#1d3f8f}.layer:nth-child(3){background:#2650b3}.layer:nth-child(4){background:#2f62d1}.layer:nth-child(5){background:#3a74e8}.layer:nth-child(6){background:#0b7a4b}
.roleguard{display:grid;grid-template-columns:repeat(4,1fr);gap:14px;margin-top:22px}
.roleguard>div{background:#fff;border:1px solid var(--rule);border-radius:var(--r);padding:16px 18px}.roleguard b{display:block;font-size:17px;margin-bottom:6px}.roleguard span{font-size:15px;color:var(--ink2)}
/* 其他 */
.ideas{display:grid;grid-template-columns:repeat(3,1fr);gap:14px;margin-top:22px}
.ideas>div{background:#fff;border:1px dashed #d8b36a;border-radius:var(--r);padding:16px 18px}.ideas b{display:block;font-size:17px;margin:6px 0 4px}.ideas p{font-size:15px;color:var(--ink2)}
.docs-grid{display:grid;grid-template-columns:1fr 1fr;gap:16px;margin-top:22px}
.docs-grid>div{background:#fff;border:1px solid var(--rule);border-radius:var(--r);padding:18px 20px}.docs-grid h3{font-size:18px;margin-bottom:6px}.docs-grid ul{padding-left:18px;font-size:15.5px;color:var(--ink2)}.docs-grid li{margin:4px 0}
.dia{margin-top:22px}.dia button{display:block;width:100%;cursor:zoom-in}.dia img{border-radius:var(--r);border:1px solid var(--line);width:100%}
.ex3{display:grid;grid-template-columns:repeat(3,1fr);gap:14px;margin-top:20px}.ex3>div{background:#fff;border:1px solid var(--rule);border-radius:var(--r);padding:16px 18px}.ex3 b{display:block;font-size:17px;margin:6px 0 4px}.ex3 p{font-size:15px;color:var(--ink2)}
.home-biz-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:16px;margin-top:26px}
.home-biz-grid a{display:flex;flex-direction:column;background:#fff;border:1px solid var(--rule);border-radius:var(--R);overflow:hidden;transition:transform .2s,box-shadow .2s;min-height:44px}
.home-biz-grid a:hover{transform:translateY(-3px);box-shadow:var(--shadow)}.home-biz-grid .t{padding:14px 18px 18px}.home-biz-grid b{font-size:19px;display:block;line-height:1.35}.home-biz-grid p{font-size:15px;color:var(--ink2);margin-top:4px}
@media (max-width:960px){
 .scn{grid-template-columns:1fr;gap:20px}.scn.flip .scn-media{order:0}
 .steps3{grid-template-columns:1fr}.step3:not(:last-child)::after{content:"↓";right:auto;left:34px;top:auto;bottom:-20px}
 .role-items,.fit,.docs-grid,.ideas,.ex3,.mini,.home-biz-grid{grid-template-columns:1fr 1fr}
 .prep,.roleguard{grid-template-columns:1fr 1fr}
}
@media (max-width:640px){
 .biz-hero{padding-top:92px}.sec-biz{padding:52px 0}
 .role-items,.fit,.docs-grid,.ideas,.ex3,.mini,.home-biz-grid,.prep,.roleguard{grid-template-columns:1fr}
 .role-panel{padding:18px 16px}.role-pain p{font-size:16.5px}
 .layer{grid-template-columns:1fr;gap:2px}
 .flow5 li{grid-template-columns:64px 1fr}.step3{padding-bottom:26px}.steps3{gap:30px}
 .biz-hero .hero-ctas .btn{width:100%}
}
.shot figcaption::after{content:"　点图放大";color:var(--ink3);font-size:13px}

/* 成本控制 / 业务追踪卡 */
.sc-g{font-size:20px;margin:30px 0 12px;font-weight:800}
.sc-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:14px}
.sc{background:#fff;border:1px solid var(--rule);border-radius:var(--r);padding:18px 18px 16px;display:flex;flex-direction:column;gap:6px}
.sc h4{font-size:18px;line-height:1.35}
.sc dl{display:grid;grid-template-columns:54px 1fr;gap:6px 10px;margin-top:4px}
.sc dt{font-size:12.5px;font-weight:800;color:#fff;background:var(--ink);border-radius:6px;text-align:center;padding:3px 0;align-self:start;margin-top:3px}
.sc dd{font-size:15px;line-height:1.6;color:var(--ink2);margin:0}.sc dd.say{color:var(--ink);font-weight:700}
.sc-pic{align-self:flex-start;min-height:44px;padding:0 16px;margin-top:6px;border:1px solid var(--rule);border-radius:999px;background:var(--paper);font-weight:700;font-size:14.5px;color:var(--ac);cursor:zoom-in}
@media (max-width:960px){.sc-grid{grid-template-columns:1fr 1fr}}
@media (max-width:640px){.sc-grid{grid-template-columns:1fr}.sc dl{grid-template-columns:50px 1fr}}

/* 适合谁 */
.who-tabs{display:flex;gap:8px;overflow-x:auto;scrollbar-width:none;padding:4px 2px 12px;margin-top:18px;-webkit-overflow-scrolling:touch}.who-tabs::-webkit-scrollbar{display:none}
.who-tab{flex:none;min-height:48px;padding:0 24px;border-radius:999px;border:1px solid var(--rule);background:#fff;color:var(--ink2);font-weight:700;font-size:16px;cursor:pointer}
.who-tab.on{background:var(--ink);color:#fff;border-color:var(--ink)}
.who-panel[hidden]{display:none}
.sales5{display:grid;grid-template-columns:repeat(5,1fr);gap:12px;margin-top:20px}
.sales5>div{background:#fff;border:1px solid var(--rule);border-radius:var(--r);padding:14px 16px}.sales5 b{display:block;font-size:16.5px;margin-bottom:4px}.sales5 span{font-size:14px;color:var(--ink2)}
@media (max-width:960px){.sales5{grid-template-columns:1fr 1fr}}
@media (max-width:640px){.sales5{grid-template-columns:1fr}}
#roles{scroll-margin-top:97px}