:root{--navy:#15384d;--navy-2:#0f2d3e;--blue:#246b93;--blue-soft:#eaf3f8;--ink:#1e2b33;--muted:#66757f;--line:#dfe6ea;--soft:#f4f7f8;--white:#fff;--green:#26735d;--green-soft:#e9f5f0;--gold:#a77818;--gold-soft:#fbf4df;--red:#a34c42;--red-soft:#fbefed;--radius:12px;--shadow:0 8px 30px rgba(20,48,64,.08)}
*{box-sizing:border-box}html{scroll-behavior:smooth}body{margin:0;background:var(--soft);color:var(--ink);font:14px/1.65 -apple-system,BlinkMacSystemFont,"Segoe UI","PingFang SC","Microsoft YaHei",sans-serif}a{color:inherit;text-decoration:none}button,input,select,textarea{font:inherit}button{cursor:pointer}img,svg{display:block}h1,h2,h3,h4,p{margin-top:0}h1{font-size:26px;line-height:1.35}h2{font-size:20px}h3{font-size:16px}button:focus-visible,a:focus-visible,input:focus-visible,select:focus-visible,textarea:focus-visible{outline:3px solid rgba(36,107,147,.2);outline-offset:2px}.hidden{display:none!important}.muted{color:var(--muted)}.small{font-size:12px}.strong{font-weight:600}.text-link{color:var(--blue);border:0;background:none;padding:0}.text-link:hover{text-decoration:underline}.danger{color:var(--red)}.success{color:var(--green)}.gold{color:var(--gold)}
.btn{min-height:38px;padding:8px 15px;border:1px solid #c8d3d9;border-radius:8px;background:#fff;color:var(--ink);display:inline-flex;align-items:center;justify-content:center;gap:7px;font-weight:500;white-space:nowrap}.btn:hover{border-color:var(--blue);color:var(--blue)}.btn-primary{background:var(--navy);border-color:var(--navy);color:#fff}.btn-primary:hover{background:var(--navy-2);color:#fff}.btn-soft{background:var(--blue-soft);border-color:var(--blue-soft);color:var(--blue)}.btn-danger{background:var(--red-soft);border-color:var(--red-soft);color:var(--red)}.btn-sm{min-height:31px;padding:5px 10px;font-size:12px}.btn-lg{min-height:44px;padding:10px 20px}.btn-block{width:100%}.btn:disabled{opacity:.45;cursor:not-allowed}.icon-btn{border:0;background:transparent;padding:6px;color:var(--muted)}
.site-header{height:66px;background:#fff;border-bottom:1px solid var(--line);position:sticky;top:0;z-index:30}.header-inner{max-width:1220px;height:100%;margin:auto;padding:0 24px;display:flex;align-items:center;justify-content:space-between;gap:20px}.brand{display:flex;align-items:center;gap:11px;min-width:0}.brand-mark{width:34px;height:34px;background:var(--navy);border-radius:8px;color:#fff;display:grid;place-items:center;font-weight:700;letter-spacing:-1px}.brand-name{font-size:19px;font-weight:700;letter-spacing:-.3px}.brand-sub{font-size:11px;color:var(--muted);border-left:1px solid var(--line);padding-left:11px}.header-actions{display:flex;align-items:center;gap:10px}.user-wrap{position:relative}.user-button{display:flex;align-items:center;gap:9px;border:0;background:transparent;padding:5px 8px;border-radius:8px}.user-button:hover{background:var(--soft)}.user-menu{position:absolute;right:0;top:48px;width:210px;background:#fff;border:1px solid var(--line);border-radius:10px;box-shadow:var(--shadow);padding:7px;display:none;z-index:40}.user-menu.open{display:block}.user-menu a,.user-menu button{width:100%;display:flex;text-align:left;padding:9px 10px;border:0;background:#fff;border-radius:6px}.user-menu a:hover,.user-menu button:hover{background:var(--soft)}.user-menu-meta{padding:9px 10px;border-bottom:1px solid var(--line);margin-bottom:5px}.avatar{position:relative;width:42px;height:42px;flex:none;border-radius:50%;background:var(--blue-soft);color:var(--blue);display:inline-flex;align-items:center;justify-content:center;font-size:16px;font-weight:600}.avatar-sm{width:30px;height:30px;font-size:12px}.avatar-lg{width:66px;height:66px;font-size:23px}.rep-badge{position:absolute;width:23px;height:23px;right:-5px;bottom:-3px}.avatar-lg .rep-badge{width:31px;height:31px}.page{min-height:calc(100vh - 66px)}.container{max-width:1220px;margin:auto;padding:28px 24px 48px}.container-narrow{max-width:860px}.section{margin-top:32px}.section-head{display:flex;justify-content:space-between;align-items:end;gap:16px;margin-bottom:15px}.section-head h2,.section-head h1{margin-bottom:4px}.section-head p{margin:0;color:var(--muted)}.card{background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:20px}.card-hover{transition:border-color .15s,transform .15s}.card-hover:hover{border-color:#aabfc9;transform:translateY(-1px)}.grid-2{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:16px}.grid-3{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:16px}.grid-4{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:14px}.stack{display:grid;gap:14px}.row{display:flex;align-items:center;gap:10px}.row-between{display:flex;align-items:center;justify-content:space-between;gap:14px}.wrap{flex-wrap:wrap}.spacer{flex:1}.divider{height:1px;background:var(--line);margin:18px 0}.badge{display:inline-flex;align-items:center;gap:4px;padding:3px 8px;border-radius:12px;background:var(--soft);color:var(--muted);font-size:12px;white-space:nowrap}.badge-blue{background:var(--blue-soft);color:var(--blue)}.badge-green{background:var(--green-soft);color:var(--green)}.badge-gold{background:var(--gold-soft);color:var(--gold)}.badge-red{background:var(--red-soft);color:var(--red)}.verified{color:var(--green);font-size:12px}.demand-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:16px}.demand-card{display:flex;flex-direction:column;min-height:260px}.demand-card h3{font-size:16px;line-height:1.5;margin:11px 0 8px}.demand-card h3 a:hover{color:var(--blue)}.demand-card p{display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;color:var(--muted);margin-bottom:14px}.demand-meta{display:flex;gap:12px;flex-wrap:wrap;color:var(--muted);font-size:12px}.demand-foot{margin-top:auto;padding-top:14px;border-top:1px solid var(--line);display:flex;align-items:end;justify-content:space-between;gap:10px}.budget{font-size:17px;font-weight:650;color:var(--navy)}.featured-section{padding:22px;background:#eaf0f3;border-radius:16px}.filter-bar{background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:14px;display:grid;grid-template-columns:minmax(220px,2fr) repeat(3,minmax(130px,1fr));gap:10px;margin-bottom:16px}.input,input,select,textarea{width:100%;border:1px solid #cbd6dc;background:#fff;color:var(--ink);border-radius:8px;padding:9px 11px;min-height:40px}textarea{min-height:104px;resize:vertical}input::placeholder,textarea::placeholder{color:#93a0a8}.field{display:grid;gap:6px;margin-bottom:15px}.field label{font-weight:550}.field-hint{font-size:12px;color:var(--muted)}.form-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:0 16px}.form-actions{display:flex;justify-content:flex-end;gap:10px;margin-top:20px}.check-line{display:flex;align-items:flex-start;gap:8px}.check-line input{width:auto;min-height:0;margin-top:5px}.empty{padding:42px 20px;text-align:center;color:var(--muted);background:#fff;border:1px dashed #cbd6dc;border-radius:var(--radius)}.empty-title{font-weight:600;color:var(--ink);margin-bottom:4px}.case-card{display:flex;flex-direction:column}.case-result{background:var(--green-soft);color:var(--green);border-radius:8px;padding:12px;margin:12px 0;font-weight:550}.case-metrics{display:flex;gap:22px;margin-top:auto;padding-top:12px}.case-metric b{display:block;font-size:20px;color:var(--navy)}.case-metric span{font-size:12px;color:var(--muted)}.detail-head{background:#fff;border-bottom:1px solid var(--line)}.detail-head-inner{max-width:960px;margin:auto;padding:28px 24px}.detail-body{max-width:960px;margin:24px auto 48px;padding:0 24px;display:grid;grid-template-columns:minmax(0,1fr) 260px;gap:20px}.detail-section{padding:18px 0;border-bottom:1px solid var(--line)}.detail-section:first-child{padding-top:0}.detail-section h3{margin-bottom:8px}.detail-section p{white-space:pre-wrap;color:#44535c;margin:0}.sticky-side{position:sticky;top:88px;align-self:start}.auth-page{min-height:calc(100vh - 66px);display:grid;place-items:center;padding:34px 20px}.auth-card{width:100%;max-width:480px;background:#fff;border:1px solid var(--line);border-radius:14px;padding:28px}.auth-card-wide{max-width:760px}.demo-accounts{display:grid;grid-template-columns:repeat(3,1fr);gap:8px;margin-top:12px}.demo-account{padding:10px 6px;border:1px solid var(--line);border-radius:8px;background:#fff;font-size:12px}.demo-account:hover{border-color:var(--blue);color:var(--blue)}
.workspace{max-width:1440px;margin:auto;display:grid;grid-template-columns:224px minmax(0,1fr);min-height:calc(100vh - 66px)}.workspace-side{background:#fff;border-right:1px solid var(--line);padding:22px 14px}.workspace-company{padding:0 10px 18px;border-bottom:1px solid var(--line);margin-bottom:14px}.workspace-company b{display:block;margin-top:8px}.side-nav{display:grid;gap:4px}.side-nav a{display:flex;align-items:center;gap:10px;padding:10px 12px;border-radius:8px;color:#52616a}.side-nav a:hover{background:var(--soft)}.side-nav a.active{background:var(--blue-soft);color:var(--blue);font-weight:550}.side-nav .nav-dot{margin-left:auto;background:var(--red);color:#fff;font-size:11px;border-radius:9px;padding:0 6px}.side-icon{width:18px;text-align:center;color:currentColor}.workspace-main{padding:28px;min-width:0}.page-title{font-size:23px;margin-bottom:4px}.page-subtitle{color:var(--muted);margin-bottom:22px}.stat-grid{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:14px;margin-bottom:20px}.stat-card{background:#fff;border:1px solid var(--line);border-radius:10px;padding:16px}.stat-card span{color:var(--muted);font-size:12px}.stat-card b{display:block;font-size:25px;margin-top:5px}.toolbar{display:flex;align-items:center;justify-content:space-between;gap:12px;margin-bottom:16px;flex-wrap:wrap}.tabs{display:flex;gap:4px;border-bottom:1px solid var(--line);margin-bottom:18px;overflow:auto}.tabs button,.tabs a{border:0;background:transparent;padding:10px 13px;white-space:nowrap;color:var(--muted);border-bottom:2px solid transparent}.tabs .active{color:var(--blue);border-bottom-color:var(--blue)}.list-card{background:#fff;border:1px solid var(--line);border-radius:10px;padding:17px;margin-bottom:12px}.list-card h3{margin-bottom:6px}.message{padding:12px 14px;background:var(--soft);border-radius:9px;margin-top:9px}.message.mine{background:var(--blue-soft)}.message-head{display:flex;justify-content:space-between;gap:10px;font-size:12px;color:var(--muted);margin-bottom:4px}.inline-form{display:flex;gap:8px;margin-top:12px}.inline-form input{flex:1}.steps{display:grid;grid-template-columns:repeat(3,1fr);margin:16px 0}.step{position:relative;text-align:center;color:var(--muted);font-size:12px}.step:before{content:"";position:absolute;left:-50%;right:50%;top:11px;height:2px;background:var(--line)}.step:first-child:before{display:none}.step-dot{width:24px;height:24px;border-radius:50%;background:var(--soft);border:2px solid var(--line);display:grid;place-items:center;margin:0 auto 6px;position:relative;z-index:1;font-size:11px}.step.active{color:var(--blue)}.step.active .step-dot{background:var(--blue);border-color:var(--blue);color:#fff}.step.active:before{background:var(--blue)}.order-foot{display:flex;justify-content:space-between;align-items:center;gap:12px;border-top:1px solid var(--line);padding-top:12px;margin-top:12px;flex-wrap:wrap}.community-layout{display:grid;grid-template-columns:minmax(0,1fr) 300px;gap:16px}.bbs{height:360px;overflow:auto;display:flex;flex-direction:column;gap:10px;padding:4px}.bbs-message{max-width:85%;background:var(--soft);padding:10px 12px;border-radius:9px}.bbs-message.mine{align-self:flex-end;background:var(--blue-soft)}.member-list{display:flex;gap:8px;flex-wrap:wrap}.member-chip{display:flex;align-items:center;gap:7px;background:var(--soft);padding:6px 9px;border-radius:18px}.skill-card{display:flex;flex-direction:column}.skill-card p{color:var(--muted);min-height:46px}.skill-card .btn{margin-top:auto}.notice{padding:14px 16px;border-radius:9px;background:var(--blue-soft);color:var(--blue);margin-bottom:14px}.notice-success{background:var(--green-soft);color:var(--green)}.notice-warning{background:var(--gold-soft);color:var(--gold)}.notification{display:flex;gap:12px;padding:14px 0;border-bottom:1px solid var(--line)}.notification.unread{background:var(--blue-soft);padding:14px 10px;border-radius:8px}.notification-dot{width:8px;height:8px;background:var(--blue);border-radius:50%;margin-top:8px;flex:none}.points{font-size:26px;font-weight:650;color:var(--gold)}.code{background:#172a36;color:#e4edf2;border-radius:9px;padding:15px;overflow:auto;font:12px/1.6 Consolas,monospace;white-space:pre-wrap;word-break:break-all}.learning-layout{display:grid;grid-template-columns:260px minmax(0,1fr);gap:16px}.course-menu{background:#fff;border:1px solid var(--line);border-radius:10px;padding:10px;align-self:start}.course-module{padding:10px;border-bottom:1px solid var(--line)}.course-module:last-child{border:0}.lesson-link{display:flex;width:100%;text-align:left;gap:7px;border:0;background:transparent;padding:6px 4px;color:var(--muted);font-size:12px;border-radius:5px}.lesson-link:hover{background:var(--soft)}.lesson-link.active{color:var(--blue);background:var(--blue-soft)}.lesson-link.done{color:var(--green)}.progress{height:7px;border-radius:5px;background:#e7edf0;overflow:hidden}.progress>i{display:block;height:100%;background:var(--blue)}.scenario{background:var(--soft);padding:16px;border-radius:9px;margin-bottom:16px}.choice{display:block;width:100%;text-align:left;padding:11px 13px;margin-top:9px;border:1px solid var(--line);border-radius:8px;background:#fff}.choice:hover,.choice.selected{border-color:var(--blue);background:var(--blue-soft)}.choice.correct{border-color:var(--green);background:var(--green-soft)}.choice.wrong{border-color:var(--red);background:var(--red-soft)}.exam-layout{display:grid;grid-template-columns:190px minmax(0,1fr);gap:16px}.answer-sheet{display:grid;grid-template-columns:repeat(5,1fr);gap:6px;margin:12px 0}.answer-sheet button{padding:5px 0;border:1px solid var(--line);background:#fff;border-radius:5px}.answer-sheet button.answered{background:var(--blue-soft);color:var(--blue)}.answer-sheet button.current{border-color:var(--blue)}.timer{font-size:24px;font-variant-numeric:tabular-nums;font-weight:650}.certificate-wrap{background:#e9eef0;padding:24px;border-radius:12px;overflow:auto}.certificate{display:block;width:100%;min-width:640px;height:auto}.cert-actions{display:flex;gap:10px;justify-content:center;margin-top:16px;flex-wrap:wrap}.tier-legend{display:flex;gap:14px;flex-wrap:wrap}.tier-item{display:flex;align-items:center;gap:6px}.tier-icon{width:30px;height:30px}.modal-backdrop{position:fixed;inset:0;background:rgba(15,35,46,.45);z-index:80;display:grid;place-items:center;padding:20px}.modal{width:100%;max-width:520px;max-height:90vh;overflow:auto;background:#fff;border-radius:13px;padding:22px;box-shadow:var(--shadow)}.modal-lg{max-width:760px}.modal-head{display:flex;align-items:start;justify-content:space-between;gap:12px;margin-bottom:16px}.modal-head h2{margin:0}.toast-root{position:fixed;right:22px;bottom:22px;z-index:100;display:grid;gap:8px}.toast{background:var(--navy-2);color:#fff;border-radius:9px;padding:11px 16px;box-shadow:var(--shadow);max-width:360px}.footer{padding:24px;text-align:center;color:var(--muted);font-size:12px;border-top:1px solid var(--line);background:#fff}.mobile-nav-toggle{display:none}.no-margin{margin:0}.mt-16{margin-top:16px}.mt-24{margin-top:24px}.mb-16{margin-bottom:16px}.w-full{width:100%}
@media(max-width:1050px){.demand-grid,.grid-3{grid-template-columns:repeat(2,minmax(0,1fr))}.grid-4,.stat-grid{grid-template-columns:repeat(2,minmax(0,1fr))}.filter-bar{grid-template-columns:1fr 1fr}.community-layout{grid-template-columns:1fr}.learning-layout{grid-template-columns:220px minmax(0,1fr)}}
@media(max-width:760px){.brand-sub{display:none}.container{padding:20px 15px 36px}.header-inner{padding:0 15px}.demand-grid,.grid-3,.grid-2{grid-template-columns:1fr}.detail-body{grid-template-columns:1fr;padding:0 15px}.sticky-side{position:static}.workspace{grid-template-columns:minmax(0,1fr)}.workspace-side{border-right:0;border-bottom:1px solid var(--line);padding:10px 14px;min-width:0;overflow:hidden}.workspace-company{display:none}.side-nav{display:flex;overflow:auto;gap:4px}.side-nav a{white-space:nowrap;padding:8px 10px}.workspace-main{padding:20px 15px}.learning-layout,.exam-layout{grid-template-columns:1fr}.course-menu{max-height:280px;overflow:auto}.form-grid{grid-template-columns:1fr}.demo-accounts{grid-template-columns:1fr}.auth-card{padding:22px}.filter-bar{grid-template-columns:1fr}.section-head{align-items:start;flex-direction:column}.detail-head-inner{padding:22px 15px}.header-actions .btn-label{display:none}.user-button .user-name{max-width:90px;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.certificate-wrap{padding:10px}.modal{padding:18px}.inline-form{flex-wrap:wrap}.inline-form .btn{width:100%}}
@media print{body{background:#fff}body>*:not(#modalRoot){display:none!important}.modal-backdrop{position:absolute;inset:0;background:#fff;display:block;padding:0}.modal{box-shadow:none;max-height:none;max-width:none;width:100%;padding:0}.modal-head,.cert-actions{display:none!important}.certificate-wrap{padding:0;background:#fff}.certificate{min-width:0;width:100%}}