/* Zhongke visual system; existing accessible controls and permission flows remain. */
:root{--brand:#176c57;--brand-hover:#125340;--brand-soft:#e8f0e8;--navy:#183a34;--ink:#243c34;--ink-2:#39564a;--muted:#65786c;--line:#dce5de;--line-dark:#bccfbd;--paper:#f5f7f3;--surface-2:#edf2e9;--shadow:0 16px 40px #183a3410;--shadow-soft:0 6px 20px #183a340a;--radius:16px;--radius-lg:22px;--sidebar:230px}
body{background:var(--paper)}.product-demo-notice{background:#e7ede4!important;color:#49604e!important;border-color:var(--line)!important;font-size:11px!important}.sidebar{background:#fff;border-right:1px solid var(--line)}.brand{padding-bottom:25px}.brand-mark{background:var(--navy);color:white;border-radius:12px 12px 3px 12px;font-size:20px;letter-spacing:0;width:38px;min-width:38px;height:38px;display:grid;place-items:center}.brand-copy strong{font-size:19px;letter-spacing:-.04em;color:var(--navy)}.brand-copy span{font-size:9px;color:var(--muted);letter-spacing:.08em}.role-lock{border-color:var(--line);background:#f5f8f1}.role-dot{background:var(--brand);box-shadow:0 0 0 4px #e2eddd}.nav-button{border-radius:11px}.nav-button[aria-current=page]{background:var(--brand-soft);color:var(--brand);box-shadow:none}.topbar{background:#fafbf8;border-bottom:1px solid var(--line)}.main{max-width:1530px;width:100%;padding:34px 36px 55px}.page-heading h1{letter-spacing:-.055em}.page-heading p{line-height:1.9}.card{box-shadow:none;border:1px solid var(--line);border-radius:17px}.button{border-radius:9px}.zk-hero{background:#183d34;border-radius:22px;padding:32px 35px;display:grid;grid-template-columns:1.5fr 1fr;align-items:center;overflow:hidden;color:#fff;gap:25px;margin:22px 0 29px}.zk-hero .eyebrow{color:#a6c5ad;font-size:10px;letter-spacing:.17em}.zk-hero h2{font-size:32px;line-height:1.5;letter-spacing:-.045em;margin:14px 0 10px;color:#fff}.zk-hero h2 em{color:#e9c66f;font-style:normal}.zk-hero p{color:#c3d6c7;font-size:12px;line-height:1.8;margin-bottom:22px}.zk-hero .button{background:#e9eddf;color:var(--navy);font-size:12px}.zk-orbit{width:190px;height:190px;border:1px solid #416450;border-radius:50%;position:relative;display:grid;place-items:center;justify-self:center}.zk-orbit:before{content:"";position:absolute;inset:-25px;border:1px solid #305744;border-radius:50%}.zk-orbit>svg{width:100px;height:100px;color:#e5cf91;stroke-width:.8;transform:rotate(-8deg)}.zk-orbit span{position:absolute;background:#dce6d4;padding:10px 13px;color:#355540;border-radius:10px;font-size:10px}.zk-orbit span:nth-of-type(1){top:10px;left:-23px;transform:rotate(-7deg)}.zk-orbit span:nth-of-type(2){bottom:4px;right:-18px;transform:rotate(5deg)}.zk-section-head{display:flex;align-items:center;justify-content:space-between;gap:15px;margin:22px 0 16px}.zk-section-head h2{font-size:19px}.zk-section-head>span{font-size:11px;color:var(--muted)}.zk-industries{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:15px}.zk-industry{position:relative;background:white;border:1px solid var(--line);border-radius:17px;text-align:left;padding:22px;min-width:0;min-height:170px;color:var(--ink);cursor:pointer;transition:transform .18s,border-color .18s}.zk-industry:hover{transform:translateY(-3px);border-color:#719a80}.zk-industry-icon{display:grid;place-items:center;background:#eaf0f3;color:#235873;width:39px;height:39px;border-radius:12px;margin-bottom:18px}.zk-industry-status{position:absolute;top:26px;right:19px;color:var(--muted);font-size:10px}.zk-industry strong{display:block;font-size:18px;letter-spacing:-.04em}.zk-industry p{font-size:12px;line-height:1.8;color:var(--muted);margin-top:7px;padding-right:10px}.zk-industry small{display:none}.zk-i-retail .zk-industry-icon,.zk-i-home .zk-industry-icon{color:#936026;background:#f5eee1}.zk-i-insurance .zk-industry-icon{color:#515b9b;background:#edeef7}.zk-i-beauty .zk-industry-icon{color:#965c73;background:#f5eaee}.zk-shortcuts{display:grid;grid-template-columns:1.4fr 1fr;gap:18px;margin-top:22px}.zk-shortcuts h2{font-size:18px;margin:15px 0 9px}.zk-shortcuts p{font-size:12px;color:var(--muted);line-height:1.9;margin-bottom:10px}.zk-note{font-size:11px;color:var(--muted);line-height:1.9;margin:25px 0 0}.zk-context{display:flex;justify-content:space-between;align-items:center;gap:20px;padding:21px 24px;border:1px solid var(--line);border-radius:18px;background:#eaf0e5;margin-bottom:25px}.zk-context h2{font-size:22px;letter-spacing:-.04em;margin:9px 0 0}.zk-context h2 small{font-size:12px;font-weight:400;color:var(--muted)}.zk-context p{font-size:11px;line-height:1.8;margin-top:10px;color:var(--muted)}.zk-context .button{flex-shrink:0}.zk-scenarios{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:18px}.zk-scenarios h2{font-size:20px;margin:15px 0 10px}.zk-scenarios p{font-size:13px;color:var(--muted);line-height:1.9;margin-bottom:25px}.zk-scene-foot{display:flex;justify-content:space-between;align-items:center;gap:10px}.zk-scene-foot>span{font-size:11px;color:var(--muted)}.zk-scene-foot .button{font-size:12px}.zk-exam-link{display:flex;align-items:center;justify-content:space-between;gap:20px;margin-top:20px}.zk-exam-link h2{font-size:19px}.zk-exam-link p{font-size:12px;color:var(--muted);line-height:1.9;margin-top:12px}.zk-report-metrics{display:grid;grid-template-columns:1fr 1fr;gap:18px;margin-bottom:20px}.zk-report-metrics span,.zk-report-metrics small{display:block;color:var(--muted);font-size:12px}.zk-report-metrics strong{display:block;font:600 34px "Bahnschrift",sans-serif;margin:18px 0 12px}.zk-history>div{display:flex;align-items:center;gap:18px;padding:18px 0;border-bottom:1px solid var(--line);font-size:13px}.zk-history>div>span{flex:1;min-width:0}.zk-history small{display:block;font-size:11px;color:var(--muted);margin-top:8px;line-height:1.8}.zk-review-score{font-size:40px;color:var(--brand);font-weight:700}.zk-review-score small{font-size:12px;color:var(--muted);margin-left:10px}.zk-review-item{border-bottom:1px solid var(--line);padding:16px 0}.zk-review-item strong{font-size:14px}.zk-review-item p,.zk-review-item blockquote{font-size:12px;line-height:1.9;color:var(--muted)}.zk-review-item blockquote{background:var(--brand-soft);padding:12px;margin:10px 0;border-left:3px solid #70977b}.training-top{background:var(--navy)}.auth-shell,.login-shell{background:var(--paper)}.login-brand strong{color:var(--navy)}
@media(max-width:1100px){.main{padding:28px 24px}.zk-hero{padding:27px}.zk-hero h2{font-size:28px}.zk-industry{padding:18px}.zk-industry p{font-size:11px}.zk-industry-status{right:15px;font-size:9px}.zk-context{padding:20px}.zk-context h2{font-size:21px}}
@media(max-width:760px){.product-demo-notice{padding:6px 10px!important;font-size:10px!important}.app-shell{display:block;padding-bottom:85px}.sidebar{position:static!important;width:auto!important;height:auto!important;padding:0!important;border:0;background:none;display:block!important}.sidebar .brand,.sidebar>.portal-switcher,.sidebar .role-lock,.sidebar-foot{display:none!important}.primary-nav{position:fixed;bottom:0;left:0;right:0;z-index:35;display:flex!important;justify-content:space-around;gap:0;padding:8px 8px max(10px,env(safe-area-inset-bottom));background:#fafcf8f5;border-top:1px solid var(--line);margin:0!important}.primary-nav .nav-button{display:flex;flex-direction:column;gap:6px;flex:1;padding:8px 4px;min-height:50px;font-size:10px;border:0}.primary-nav .nav-button svg{width:20px;height:20px}.primary-nav [data-page=exam]{display:none}.primary-nav .nav-button[aria-current=page]{background:transparent;color:var(--brand)}.topbar{position:static!important;min-height:70px;padding:16px 20px;display:flex;justify-content:space-between;gap:12px}.mobile-brand{display:flex;align-items:center;gap:10px}.mobile-brand strong{font-size:19px;color:var(--navy)}.mobile-brand .brand-mark{width:34px;height:34px;min-width:34px;font-size:19px}.topbar .breadcrumb,.top-actions .demo,.top-actions .status-pill{display:none}.top-actions{gap:7px}.mobile-portal-switcher{margin:0;padding:10px 20px;border-bottom:1px solid var(--line)}.main{padding:22px 20px 35px;margin:0;max-width:none}.main>.demo-notice{font-size:10px}.page-heading h1{font-size:26px;line-height:1.5}.page-heading .date-block{display:none}.page-heading p{font-size:12px}.zk-hero{grid-template-columns:1fr;padding:26px 23px;margin-top:20px}.zk-hero h2{font-size:27px}.zk-hero p{font-size:11px}.zk-orbit{display:none}.zk-section-head{align-items:flex-start}.zk-section-head h2{font-size:18px}.zk-section-head>span{font-size:10px;max-width:126px;line-height:1.7;text-align:right}.zk-industries{grid-template-columns:repeat(2,minmax(0,1fr));gap:12px}.zk-industry{min-height:166px;padding:16px}.zk-industry strong{font-size:17px}.zk-industry p{font-size:11px;line-height:1.75;padding-right:0}.zk-industry-status{font-size:9px;top:25px;right:11px}.zk-industry-icon{width:32px;height:32px;margin-bottom:17px}.zk-industry-icon svg{width:19px;height:19px}.zk-shortcuts,.zk-scenarios{grid-template-columns:1fr;gap:13px}.zk-shortcuts .card{padding:21px}.zk-shortcuts h2{font-size:17px}.zk-context{padding:18px 16px;gap:10px;flex-wrap:wrap}.zk-context h2{font-size:20px}.zk-context .eyebrow{font-size:9px}.zk-context .button{font-size:11px;min-height:37px;padding:8px 11px}.zk-context h2 small{font-size:11px}.zk-scenarios .card{padding:22px 19px}.zk-scenarios h2{font-size:18px}.zk-scenarios p{font-size:12px}.zk-exam-link{display:block;padding:22px}.zk-exam-link .button{margin-top:16px}.zk-exam-link h2{font-size:18px}.zk-history>div{gap:10px;flex-wrap:wrap}.zk-history .button{font-size:11px;padding:8px 11px}.zk-report-metrics{gap:12px}.zk-report-metrics .card{padding:19px}.zk-report-metrics strong{font-size:29px}.zk-note{font-size:10px}.training-overlay{padding-bottom:env(safe-area-inset-bottom)}.modal{max-width:calc(100vw - 26px)}}
@media(prefers-reduced-motion:reduce){.zk-industry{transition:none}}
.main{width:calc(100% - var(--sidebar));max-width:none}.brand-mark::before,.brand-mark::after{content:none!important}.brand-mark{font-size:20px!important}.sidebar .nav-button{color:var(--muted)}.sidebar .nav-button[aria-current=page]{color:var(--brand)}.sidebar .role-lock strong,.sidebar .sidebar-user strong{color:var(--ink)}.sidebar .role-lock em,.sidebar .sidebar-user span{color:var(--muted)}.sidebar .portal-switcher button{color:var(--muted);border-color:var(--line)}.sidebar .portal-switcher button[aria-pressed=true]{color:var(--brand);background:var(--brand-soft)}.sidebar .avatar{color:var(--brand);background:var(--brand-soft)}.zk-shortcuts .text-button{display:inline-flex;align-items:center;gap:9px;min-height:42px;border:0;background:none;font:600 12px "Microsoft YaHei",sans-serif;color:var(--brand);cursor:pointer}.zk-shortcuts .text-button svg{width:17px;height:17px}
@media(max-width:760px){.main{width:100%}}
@media(max-width:760px){body,.app-shell{min-height:100dvh}.sidebar{contain:none;transform:none;filter:none;backdrop-filter:none;overflow:visible;will-change:auto;min-height:0}.main,.topbar{margin-left:0!important;width:100%!important}.primary-nav{top:auto!important;bottom:0!important}.zk-hero h2{font-size:24px}.sidebar .primary-nav .nav-button{visibility:visible;opacity:1}}
/* Knowledge scope is independent of the selected training/exam industry. */
.zk-knowledge-scope{display:grid;grid-template-columns:auto minmax(180px,300px);align-items:center;gap:10px 18px;margin-bottom:22px}
.zk-knowledge-scope label{font-weight:700;color:var(--ink)}
.zk-knowledge-scope select{width:100%;min-height:44px;border:1px solid var(--line);border-radius:10px;padding:8px 12px;background:var(--surface,#fff);color:var(--ink);font:inherit}
.zk-knowledge-scope p{grid-column:1/-1;margin:0;color:var(--muted);font-size:12px;line-height:1.7}
@media(max-width:480px){.zk-knowledge-scope{grid-template-columns:1fr}.zk-knowledge-scope p{grid-column:1}}
.zk-exam-industry{display:flex;flex-direction:column;gap:6px;flex:0 1 208px;min-width:150px;max-width:100%}.zk-exam-industry label{font-size:11px;color:var(--muted)}.zk-exam-industry select{width:100%;min-height:44px;padding:9px 12px;border:1px solid var(--line);border-radius:9px;background:var(--surface,#fff);color:var(--ink);font:inherit;font-size:13px;cursor:pointer}.zk-exam-industry select:focus-visible{outline:2px solid var(--brand);outline-offset:2px}@media(max-width:760px){.zk-exam-industry{flex-basis:176px;min-width:140px}}
/* Focused practice workspace: existing home and scene-entry layouts stay intact. */
.practice-workspace .training-body{gap:18px;padding:20px;grid-template-columns:minmax(200px,270px) minmax(0,1fr)}
.practice-workspace .training-chat{min-width:0}
.practice-workspace .training-panel.brief-panel{background:#f4f7f2;border:1px solid #dbe6db;border-radius:18px;color:#183a34}
.practice-workspace .brief-item strong{color:inherit}
.practice-task{border-top:1px solid #ccdace;padding-top:20px;margin-top:20px}
.practice-task small,.practice-note,.practice-plan small{color:#576e63;line-height:1.7}
.practice-task h3{margin:8px 0;font-size:20px}
.practice-task p{line-height:1.8}
.practice-task .button{white-space:normal}
.practice-workspace .local-video-tile{display:none}
.practice-workspace .robot-video-stage{position:relative;grid-template-columns:1fr;max-height:52vh;min-height:240px}
.practice-workspace .customer-video-tile{position:absolute;inset:0}
.practice-task .button{margin:8px 6px 0 0}
.practice-light-button{position:absolute;right:14px;top:14px;z-index:5;min-height:40px;padding:8px 14px;border:1px solid #aec1b6;border-radius:12px;background:#f6faf0;color:#183a34;cursor:pointer}
.practice-light .customer-person-video{visibility:hidden}
.practice-light .customer-person-idle{opacity:1!important;visibility:visible!important;display:block!important}
.practice-workspace .chat-form{flex-wrap:wrap;gap:10px}
.practice-workspace .chat-form .chat-input{min-width:120px;flex:1}
.practice-digest{padding:24px;background:#f1f6ed;border:1px solid #ccdcca;border-radius:20px;margin:22px 0;color:#183a34;text-align:left}
.practice-digest h3{font-size:24px;line-height:1.4;margin:10px 0 20px}
.practice-strength{padding:16px;background:#fff;border-radius:12px}
.practice-strength small{display:block;margin-bottom:8px;color:#526957}
.practice-gaps{padding-left:24px;margin:20px 0}.practice-gaps li{padding:8px 0;line-height:1.7}
.practice-next{padding:12px;border-left:3px solid #386754;background:#fff}
.practice-digest blockquote{margin:10px 0;border-left:3px solid #a6ba9f;padding:8px 12px;overflow-wrap:anywhere}
.practice-risk{padding:16px;background:#fff1e7;border:1px solid #e2c7a8;border-radius:12px;margin-bottom:16px;color:#70421f}
.practice-evidence{border-top:1px solid #d6dfd3;padding-top:18px}.practice-evidence>summary{cursor:pointer;min-height:44px;font-weight:600}
.practice-plan{display:grid;gap:16px;text-align:left}.practice-plan h2,.practice-plan p{margin:0;line-height:1.8;overflow-wrap:anywhere}
.practice-plan select{width:100%;min-height:44px;border:1px solid #b7cbbb;border-radius:10px;padding:8px;color:#183a34;background:#fff}
.practice-method{padding:18px;background:#f1f6ed;border-radius:14px}.practice-method h3{margin:0 0 10px}.practice-method p{white-space:pre-line}
.practice-rehearsal{padding:10px 16px;background:#e9efdf;color:#294b31;border-radius:10px;font-size:13px}
@media(max-width:800px){.practice-workspace .training-body{display:block;padding:10px}.practice-workspace .robot-video-stage{height:40vh;min-height:240px;max-height:380px;flex:none}.practice-workspace .training-top{gap:8px;flex-wrap:wrap}.practice-workspace .training-top-actions{gap:8px}.practice-workspace .chat-form{padding:12px}.practice-workspace .chat-form .button{min-height:44px;font-size:13px}.practice-digest{padding:18px;margin:16px 0}.practice-digest h3{font-size:21px}.practice-workspace .training-title{min-width:0;flex:1}.practice-workspace .training-title strong{font-size:15px}.practice-workspace .training-timer{font-size:12px}.practice-workspace .training-panel.brief-panel{max-width:calc(100vw - 24px)}}