/* Shared platform frame: header, two top-level modules, and full-width content. */
.platform-layout .app{margin-left:0}
.platform-layout .platform-shell{position:sticky;top:0;z-index:10;box-shadow:0 2px 9px #243c5010}
.platform-layout .platform-topbar{height:66px;min-height:66px;padding:0 30px;background:var(--sidebar-blue);color:#fff;border-bottom:1px solid #36526c;display:flex;justify-content:flex-start;align-items:center;gap:36px;flex-wrap:nowrap}
.platform-brand{display:flex;align-items:center;flex-shrink:0;min-width:0;text-decoration:none;color:inherit}
.platform-title{color:#fff;font-size:23px;font-weight:650;letter-spacing:1px;white-space:nowrap;line-height:1.4}
.platform-layout .platform-topbar .header-right{display:flex;align-items:center;margin-left:auto;flex-shrink:0;color:#d7e3ed;gap:14px}
.platform-modules{display:flex;align-items:stretch;gap:6px;padding:0;background:transparent;border:0;height:66px;min-width:0}
.platform-module{position:relative;display:flex;align-items:center;gap:9px;justify-content:center;min-width:140px;padding:0 23px;color:#bfcedc;text-decoration:none;font-size:14px;font-weight:500;white-space:nowrap;transition:background .15s,color .15s}
.platform-module .module-symbol{font-size:19px;font-weight:400;color:#adc2d4;line-height:1}
.platform-module:hover{background:#2d4b66;color:#fff}
.platform-module.active{background:#365470;color:#fff;font-weight:650}
.platform-module.active .module-symbol{color:#e0edf7}
.platform-module.active:after{position:absolute;content:'';left:20px;right:20px;bottom:0;height:3px;background:#9abbd6;border-radius:3px 3px 0 0}
.platform-user{display:flex;align-items:center;gap:9px;white-space:nowrap;color:#e1eaf3}
.platform-avatar{display:grid;place-items:center;width:31px;height:31px;border:1px solid #5e7a93;background:#365470;border-radius:50%;color:#dce8f2;flex-shrink:0}
.platform-avatar svg{width:18px;height:18px;display:block}
.platform-user-name{font-size:12px;font-weight:500}
.platform-account-actions .platform-user-name{display:block;max-width:144px;overflow:hidden;text-overflow:ellipsis}
.platform-layout .platform-topbar .platform-account-actions{gap:12px}
.platform-signout{height:34px;padding:0 10px;border:1px solid #8098ad;border-radius:5px;background:transparent;color:#fff;font:inherit;font-size:12px;white-space:nowrap;cursor:pointer}
.platform-signout:hover{background:#365470;border-color:#b6ccde}
.platform-signout:focus-visible{outline:2px solid #dce8f2;outline-offset:3px}
.platform-signout:disabled{opacity:.65;cursor:wait}
.platform-session-error{position:absolute;right:10px;top:calc(100% + 8px);max-width:min(320px,calc(100vw - 20px));padding:10px 14px;border:1px solid #ecc5c5;border-radius:6px;background:#fff3f3;color:#9b3030;font-size:12px;line-height:1.6;white-space:normal;box-shadow:0 3px 12px #243c501a}
.platform-session-error[hidden]{display:none}
.platform-module:focus-visible,.platform-inpage-links a:focus-visible{outline:2px solid #7094b1;outline-offset:-4px}
.platform-layout main{max-width:1780px;margin:0 auto;padding-top:20px}
.platform-layout main section[id],.platform-layout main article[id]{scroll-margin-top:86px}
.platform-context{display:flex;align-items:center;justify-content:space-between;gap:16px;margin:0 0 22px;min-height:37px}
.platform-context-info{display:flex;align-items:center;gap:14px;flex-wrap:wrap;min-width:0}
.platform-context-info .demo-badge{font-size:9px;padding:3px 7px}
.platform-context-info .icon-button{width:23px;height:23px;font-size:11px}
.platform-breadcrumb{color:#92a0ac;font-size:11px;display:flex;align-items:center;gap:10px;min-width:0}
.platform-breadcrumb>span{color:#bcc6ce}
.platform-breadcrumb b{font-weight:500;color:#60778b}
.platform-subnav{display:flex;align-items:center;gap:4px;flex-shrink:0;background:#e9eef3;padding:3px;border-radius:6px}
.platform-subnav .nav{width:auto;margin:0;padding:7px 12px;gap:7px;background:transparent;color:#7b8c9b;font-size:11px;border-radius:4px}
.platform-subnav .nav.active{color:var(--accent);background:#fff;box-shadow:0 1px 3px #273f5410}
.platform-subnav .nav>span{font-size:15px}
.platform-subnav .nav b{font-size:9px;padding:1px 4px;margin-left:0;background:#e6edf3;color:#6c859b}
.platform-inpage-links{display:flex;align-items:center;gap:20px;font-size:11px}
.platform-inpage-links a{color:#7f93a3;text-decoration:none;padding:5px 0}
.platform-inpage-links a:hover{color:var(--accent)}
.platform-layout .page-heading{margin-bottom:23px}
@media(max-width:1000px){.platform-layout .platform-topbar{padding:0 23px;gap:24px}.platform-title{font-size:21px;letter-spacing:.6px}.platform-module{min-width:124px;padding:0 18px;font-size:13px}}
@media(max-width:760px){.platform-layout .platform-topbar{height:58px;min-height:58px;padding:0 13px;gap:12px;align-items:center;flex-wrap:nowrap}.platform-title{font-size:18px;letter-spacing:0}.platform-modules{height:58px;gap:3px}.platform-module{width:auto;min-width:0;padding:0 10px;font-size:12px;gap:0}.platform-module .module-symbol{display:none}.platform-module.active:after{left:10px;right:10px;height:2px}.platform-layout .platform-topbar .header-right{width:auto;margin-left:auto;gap:0}.platform-user{gap:6px}.platform-avatar{width:26px;height:26px}.platform-avatar svg{width:16px;height:16px}.platform-user-name{font-size:10px}.platform-layout main,.customer-operations.platform-layout main{padding-top:16px}.platform-context{gap:10px;flex-wrap:wrap;margin-bottom:18px}.platform-context-info{gap:9px}.platform-context-info .demo-badge{font-size:8px}.platform-breadcrumb{font-size:10px;gap:7px}.platform-subnav{gap:2px;padding:2px}.platform-subnav .nav{font-size:10px;padding:6px 8px;gap:4px}.platform-subnav .nav>span{display:none}.platform-inpage-links{gap:14px;font-size:10px}.platform-layout .page-heading{margin-bottom:20px}}
@media(max-width:380px){.platform-layout .platform-topbar{padding:0 10px;gap:8px}.platform-title{font-size:16px}.platform-module{padding:0 8px;font-size:11px}.platform-user{gap:4px}.platform-avatar{width:24px;height:24px}.platform-user-name{font-size:9px}}
@media(max-width:760px){.platform-layout .platform-topbar .platform-account-actions{gap:6px}.platform-account-actions .platform-user-name{display:none}.platform-signout{font-size:11px;padding:0 7px}}
/* 右上角显示当前展示模式，点击切换至同一模块的另一模式。 */
.platform-mode-toggle{display:inline-flex;align-items:center;justify-content:center;gap:7px;height:34px;padding:0 12px;border:1px solid #6a879f;border-radius:6px;background:#2c4b66;color:#e1edf7;font:inherit;font-size:12px;white-space:nowrap;cursor:pointer}
.platform-mode-toggle svg{width:17px;height:17px;flex-shrink:0}
.platform-mode-toggle:hover{background:#365a78;border-color:#adc6db;color:#fff}
.platform-mode-toggle:focus-visible{outline:2px solid #dce8f2;outline-offset:3px}
@media(max-width:760px){.platform-layout .platform-topbar .header-right{gap:8px}.platform-user-name{display:none}.platform-mode-toggle{padding:0 9px;font-size:11px;gap:5px}}
@media(max-width:600px){
 .platform-layout .platform-topbar{display:grid;grid-template-columns:minmax(0,1fr) auto;height:auto;min-height:58px;padding:0 12px;gap:0 10px}
 .platform-brand{grid-column:1;grid-row:1;min-height:48px}
 .platform-layout .platform-topbar .header-right{grid-column:2;grid-row:1;gap:8px}
 .platform-modules{grid-column:1/-1;grid-row:2;height:38px;gap:6px}
 .platform-modules .platform-module{font-size:12px;min-width:100px;padding:0 12px}
}
@media(prefers-reduced-motion:reduce){.platform-module{transition:none}}