:root{--color-primary: #204890;--color-primary-hover: #183b7d;--color-primary-active: #102f68;--color-primary-soft: #eaf1ff;--color-accent: #438c43;--color-accent-soft: #edf7ee;--color-border-default: #e5e9f0;--color-border-hover: #c8d5eb;--color-border-focus: #204890;--color-glow-primary: rgba(32, 72, 144, .24);--color-glow-soft: rgba(32, 72, 144, .1);--color-bg-page: #f6f8fb;--color-bg-surface: #ffffff;--color-bg-elevated: #fbfcff;--color-text-primary: #111827;--color-text-secondary: #5d6676;--color-text-muted: #8a93a5;--vos-bg: var(--color-bg-page);--vos-surface: var(--color-bg-surface);--vos-surface-subtle: var(--color-bg-elevated);--vos-text-primary: var(--color-text-primary);--vos-text-secondary: var(--color-text-secondary);--vos-text-muted: var(--color-text-muted);--vos-border: var(--color-border-default);--vos-border-strong: #d6deea;--vos-sidebar: #101722;--vos-sidebar-muted: #93a0b3;--vos-brand: var(--color-primary);--vos-brand-hover: var(--color-primary-hover);--vos-brand-active: var(--color-primary-active);--vos-brand-soft: var(--color-primary-soft);--vos-accent: var(--color-accent);--vos-accent-soft: var(--color-accent-soft);--vos-ai: #204890;--vos-ai-soft: #edf4ff;--vos-confirmed: #438c43;--vos-pending: #a66a19;--vos-risk: #c93d3d;--vos-unknown: #7c8494;--vos-space-1: 4px;--vos-space-2: 8px;--vos-space-3: 12px;--vos-space-4: 16px;--vos-space-6: 24px;--vos-space-8: 32px;--vos-space-10: 40px;--vos-space-12: 48px;--vos-space-16: 64px;--vos-radius-control: 8px;--vos-radius-card: 8px;--vos-radius-hero: 14px;--vos-shadow-hairline: 0 1px 2px rgba(17, 24, 39, .04);--vos-shadow-hover: 0 12px 28px rgba(16, 47, 104, .1);--vos-motion-fast: .16s ease-out;--vos-layout-sidebar: 224px;--vos-layout-max: 1360px;font-family:Inter,Microsoft YaHei,PingFang 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var(--vos-space-16);display:grid;align-content:center;gap:var(--vos-space-12);color:var(--vos-text-primary)}.auth-brand-top{align-self:start}.brand-lockup{display:flex;align-items:center;gap:var(--vos-space-4)}.brand-lockup.large{align-items:center}.brand-mark{width:50px;height:91px;display:grid;place-items:center;border-radius:8px;padding:0;background:linear-gradient(180deg,#ffffff14,#fff0),#111a27;border:1px solid rgba(255,255,255,.12);box-shadow:inset 0 1px #ffffff1f,0 12px 26px #102f6829,0 22px 42px #20489014;overflow:hidden;flex:0 0 50px}.brand-mark img{display:block;width:50px;height:91px;object-fit:contain;object-position:center;image-rendering:auto}.brand-mark.inverse{background:linear-gradient(180deg,#ffffff1a,#ffffff05),#101722;border-color:#ffffff1f}.brand-lockup strong,.brand-lockup span{display:block}.brand-lockup strong{font-size:16px;font-weight:600;letter-spacing:0}.brand-lockup span{margin-top:var(--vos-space-1);color:var(--vos-text-secondary);font-size:13px;line-height:1.4}.sidebar-brand span{color:var(--vos-sidebar-muted)}.auth-brand-copy h1{max-width:720px;margin:0;font-size:clamp(40px,4vw,48px);line-height:1.14;letter-spacing:0;font-weight:600}.auth-workflow{width:min(420px,100%);display:grid;gap:var(--vos-space-2);padding:var(--vos-space-6);border:1px solid var(--vos-border);border-radius:var(--vos-radius-hero);background:#ffffff9e;box-shadow:var(--vos-shadow-hairline)}.auth-workflow-step{display:grid;grid-template-columns:1fr 20px;align-items:center;min-height:30px;color:var(--vos-text-secondary);font-size:14px}.auth-workflow-step span{color:var(--vos-text-primary);font-weight:500}.auth-workflow-step svg{color:var(--vos-text-muted)}.auth-workflow-step:last-child svg{color:var(--vos-confirmed)}.auth-form-panel{min-height:100vh;display:grid;place-items:center;padding:var(--vos-space-12) var(--vos-space-10);background:var(--vos-surface);border-left:1px solid var(--vos-border)}.auth-form-inner{width:min(100%,360px)}.auth-heading h2{margin:0;font-size:30px;line-height:1.2;letter-spacing:0;font-weight:600}.auth-heading p{margin:var(--vos-space-3) 0 0;color:var(--vos-text-secondary);font-size:14px;line-height:1.7}.auth-form{display:grid;gap:var(--vos-space-4);margin-top:var(--vos-space-8)}.form-field{display:grid;gap:var(--vos-space-2);color:var(--vos-text-secondary);font-size:13px;font-weight:500}.form-field input{width:100%;height:46px;border:1px solid var(--vos-border-strong);border-radius:var(--vos-radius-control);padding:0 var(--vos-space-3);color:var(--vos-text-primary);background:var(--vos-surface);outline:none;transition:border-color var(--vos-motion-fast),box-shadow var(--vos-motion-fast)}.form-field input:focus{border-color:var(--vos-brand);box-shadow:0 0 0 3px 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var(--vos-border);background:#f6f8fbe0;-webkit-backdrop-filter:blur(14px);backdrop-filter:blur(14px);box-shadow:0 1px #ffffffbd inset}.menu-button{display:none;width:40px;height:40px;place-items:center;border-radius:var(--vos-radius-control);border:1px solid var(--vos-border);background:var(--vos-surface);color:var(--vos-text-primary)}.topbar-context strong,.topbar-context small,.topbar-context p,.system-label{display:block}.system-label{color:var(--vos-text-muted);font-size:12px;font-weight:500}.topbar-context strong{margin-top:var(--vos-space-1);font-size:17px;line-height:1.25;font-weight:700}.topbar-context small{color:var(--vos-text-secondary);margin-top:var(--vos-space-1);font-size:13px;font-weight:600}.topbar-context p{max-width:760px;margin:var(--vos-space-1) 0 0;color:var(--vos-text-muted);font-size:12px;line-height:1.5}.topbar-actions{display:flex;align-items:center;gap:var(--vos-space-3);flex:0 0 auto}.user-chip{min-height:44px;display:grid;grid-template-columns:1fr 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var(--vos-border);border-radius:var(--vos-radius-hero);background:linear-gradient(180deg,#fff,#fbfdff);box-shadow:var(--vos-shadow-hairline)}.product-hero:before{content:"";position:absolute;inset:0 0 auto;height:3px;background:linear-gradient(90deg,var(--vos-brand),rgba(67,140,67,.72),transparent 72%);opacity:.78}.hero-kicker,.section-heading span{color:var(--vos-text-muted);font-size:12px;font-weight:500;text-transform:uppercase;letter-spacing:0}.product-hero-main{display:flex;align-items:flex-start;justify-content:space-between;gap:var(--vos-space-8);margin-top:var(--vos-space-4)}.product-hero h1{max-width:760px;margin:0;font-size:32px;line-height:1.22;letter-spacing:0;font-weight:600}.hero-meta{margin:var(--vos-space-3) 0 0;color:var(--vos-text-secondary);font-size:15px}.hero-action{flex:0 0 auto}.next-step-block{max-width:760px;margin-top:var(--vos-space-10);padding-top:var(--vos-space-6);border-top:1px solid var(--vos-border)}.next-step-block span{display:block;color:var(--vos-brand);font-size:13px;font-weight:600}.next-step-block p{margin:var(--vos-space-2) 0 0;color:var(--vos-text-primary);font-size:18px;line-height:1.65;font-weight:500}.metric-strip{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:0;padding:var(--vos-space-4) 0;border-top:1px solid var(--vos-border);border-bottom:1px solid var(--vos-border)}.metric-item{min-width:0;padding:0 var(--vos-space-6);border-left:1px solid var(--vos-border)}.metric-item:first-child{border-left:0;padding-left:0}.metric-item span,.metric-item strong,.metric-item p{display:block}.metric-item span{color:var(--vos-text-muted);font-size:12px;font-weight:500}.metric-item strong{margin-top:var(--vos-space-2);font-size:24px;line-height:1.1;font-weight:600;color:var(--vos-text-primary)}.metric-item p{margin:var(--vos-space-2) 0 0;color:var(--vos-text-secondary);font-size:13px;line-height:1.5}.dashboard-sections{display:grid;grid-template-columns:minmax(0,.95fr) minmax(360px,.7fr);gap:var(--vos-space-12);align-items:start}.attention-section,.activity-section,.status-section{min-width:0}.section-heading h2{margin:var(--vos-space-2) 0 0;font-size:20px;line-height:1.35;letter-spacing:0;font-weight:600}.issue-list{display:grid;gap:var(--vos-space-3);margin:var(--vos-space-6) 0 0;padding:0;list-style:none}.issue-list li{display:flex;align-items:flex-start;gap:var(--vos-space-3);color:var(--vos-text-primary);font-size:15px;line-height:1.7}.issue-list svg{flex:0 0 auto;margin-top:5px;color:var(--vos-pending)}.activity-list{position:relative;display:grid;gap:var(--vos-space-4);margin:var(--vos-space-6) 0 0;padding:0;list-style:none}.activity-list li{display:grid;grid-template-columns:24px 92px minmax(0,1fr);gap:var(--vos-space-3);align-items:start}.activity-dot{width:22px;height:22px;display:grid;place-items:center;border:1px solid var(--vos-border);border-radius:999px;color:var(--vos-text-muted);background:var(--vos-surface)}.activity-dot.complete{color:var(--vos-confirmed);border-color:#16835d38;background:#16835d0f}.activity-list time{color:var(--vos-text-muted);font-size:12px;line-height:22px}.activity-list p{margin:0;color:var(--vos-text-primary);font-size:14px;line-height:1.6}.status-section{padding-top:var(--vos-space-8);border-top:1px solid var(--vos-border)}.status-groups{display:grid;grid-template-columns:.8fr 1.2fr;gap:var(--vos-space-8);margin-top:var(--vos-space-6)}.status-groups h3{display:flex;align-items:center;gap:var(--vos-space-2);margin:0 0 var(--vos-space-4);font-size:15px;line-height:1.4;font-weight:600}.status-groups h3 svg{color:var(--vos-text-muted)}.badge-row{display:flex;flex-wrap:wrap;gap:var(--vos-space-2)}.badge-row.compact{gap:var(--vos-space-2)}.badge{display:inline-flex;align-items:center;min-height:26px;padding:0 var(--vos-space-2);border-radius:999px;border:1px solid transparent;font-size:12px;font-weight:500;background:var(--vos-surface-subtle);color:var(--vos-text-secondary)}.evidence-confirmed,.workflow-completed{background:#16835d12;color:var(--vos-confirmed)}.evidence-analysis,.workflow-running,.workflow-checking_inputs{background:var(--vos-ai-soft);color:var(--vos-ai)}.evidence-pending,.workflow-waiting_user,.workflow-waiting_realworld{background:#b7791f14;color:var(--vos-pending)}.evidence-invalid,.workflow-failed_retryable,.workflow-failed_blocking{background:#d6454512;color:var(--vos-risk)}.evidence-unknown,.workflow-created,.workflow-cancelled{background:#f1f3f7;color:var(--vos-unknown)}.empty-state{max-width:720px;padding:var(--vos-space-10) 0}.empty-state div{width:40px;height:40px;display:grid;place-items:center;border:1px solid var(--vos-border);border-radius:var(--vos-radius-control);background:var(--vos-surface);color:var(--vos-text-muted)}.empty-state h1{margin:var(--vos-space-6) 0 0;font-size:28px;line-height:1.25;letter-spacing:0;font-weight:600}.empty-state p{max-width:680px;margin:var(--vos-space-3) 0 0;color:var(--vos-text-secondary);font-size:15px;line-height:1.8}.boot-screen{min-height:100vh;display:grid;place-items:center;background:var(--vos-bg);color:var(--vos-text-secondary)}@media(max-width:1100px){.auth-page{grid-template-columns:1fr}.auth-brand-panel{min-height:auto;padding:var(--vos-space-10) var(--vos-space-8);gap:var(--vos-space-8)}.auth-form-panel{min-height:auto;padding:var(--vos-space-10) var(--vos-space-8) var(--vos-space-16);border-left:0;border-top:1px solid var(--vos-border)}.workspace-shell{grid-template-columns:1fr}.workspace-sidebar,.sidebar-brand,.workspace-nav{display:none}.menu-button{display:grid}.topbar{padding:var(--vos-space-4) var(--vos-space-6)}.workspace-content{padding:var(--vos-space-8) var(--vos-space-6) var(--vos-space-16)}.dashboard-sections,.status-groups{grid-template-columns:1fr;gap:var(--vos-space-8)}}@media(max-width:720px){.auth-brand-panel{padding:var(--vos-space-8) var(--vos-space-6)}.auth-brand-copy h1{font-size:40px}.auth-workflow{padding:var(--vos-space-4)}.auth-form-panel{padding:var(--vos-space-8) var(--vos-space-6) var(--vos-space-12)}.auth-heading h2{font-size:28px}.topbar{align-items:flex-start;flex-wrap:wrap;gap:var(--vos-space-4)}.topbar-context{min-width:0;flex:1 1 calc(100% - 56px)}.topbar-actions{width:100%;justify-content:space-between}.user-chip{min-width:0}.workspace-content{padding:var(--vos-space-6) var(--vos-space-4) var(--vos-space-16)}.product-hero{padding:var(--vos-space-6)}.product-hero-main{display:grid;gap:var(--vos-space-6)}.product-hero h1{font-size:30px}.next-step-block{margin-top:var(--vos-space-8)}.next-step-block p{font-size:16px}.metric-strip{grid-template-columns:repeat(2,minmax(0,1fr));row-gap:var(--vos-space-6)}.metric-item{padding:0 var(--vos-space-4)}.metric-item:nth-child(odd){border-left:0;padding-left:0}.activity-list li{grid-template-columns:24px minmax(0,1fr)}.activity-list time{grid-column:2;line-height:1.2}.activity-list p{grid-column:2}}@media(max-width:430px){.auth-brand-copy h1{font-size:38px}.auth-links{flex-direction:column}.primary-button,.secondary-button{width:100%}.topbar-actions{display:grid;grid-template-columns:1fr}.product-hero h1{font-size:28px}.metric-strip{grid-template-columns:1fr;gap:var(--vos-space-4)}.metric-item{border-left:0;padding:0}}.project-status-line{display:flex;flex-wrap:wrap;gap:var(--vos-space-4);color:var(--vos-text-secondary);font-size:13px}.project-status-line span{padding-right:var(--vos-space-4);border-right:1px solid var(--vos-border)}.project-status-line span:last-child{border-right:0}.product-hero-open{border-radius:8px}.lesson2-package-inline{display:flex;justify-content:space-between;gap:var(--vos-space-6);padding:var(--vos-space-6) 0;border-top:1px solid var(--vos-border);border-bottom:1px solid var(--vos-border)}.lesson2-package-inline span{color:var(--vos-brand);font-size:13px;font-weight:600}.lesson2-package-inline h2{margin:var(--vos-space-2) 0 0;font-size:20px}.lesson2-package-inline p{margin:var(--vos-space-2) 0 0;color:var(--vos-text-secondary);line-height:1.7}.compact-actions{display:flex;flex-wrap:wrap;gap:var(--vos-space-3);padding-top:var(--vos-space-6)}.icon-button{width:36px;height:36px;display:grid;place-items:center;border:1px solid var(--vos-border);border-radius:var(--vos-radius-control);background:var(--vos-surface);color:var(--vos-text-secondary);cursor:pointer}.task-page{display:grid;gap:var(--vos-space-6)}.task-header{display:flex;justify-content:space-between;align-items:flex-start;gap:var(--vos-space-6);padding-bottom:var(--vos-space-5, 20px);border-bottom:1px solid var(--vos-border)}.task-header h1{margin:var(--vos-space-2) 0 0;font-size:28px;line-height:1.25;font-weight:600}.task-header 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minmax(0,1fr);gap:var(--vos-space-6);align-items:start}.settings-provider-list,.settings-card{border:1px solid var(--vos-border);border-radius:var(--vos-radius-card);background:var(--vos-surface);box-shadow:var(--vos-shadow-hairline);padding:var(--vos-space-6)}.settings-provider-list{display:grid;gap:var(--vos-space-2)}.settings-provider-list .section-heading{margin-bottom:var(--vos-space-3)}.provider-list-item{display:grid;gap:3px;width:100%;padding:var(--vos-space-3);text-align:left;border:1px solid transparent;border-radius:var(--vos-radius-control);background:var(--vos-surface-subtle);color:var(--vos-text-primary);cursor:pointer}.provider-list-item:hover{border-color:var(--vos-border-hover)}.provider-list-item.active{border-color:var(--vos-brand);background:var(--vos-brand-soft)}.provider-list-item strong{font-size:14px}.provider-list-item span,.provider-list-item small{color:var(--vos-text-muted);font-size:12px}.settings-card .section-heading{display:flex;justify-content:space-between;align-items:center;margin-bottom:var(--vos-space-6)}.settings-card .section-heading h2,.settings-provider-list h2{margin:4px 0 0;font-size:20px}.settings-form-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:var(--vos-space-4)}.settings-form-grid .span-2{grid-column:span 2}.settings-form-grid input:disabled{background:var(--vos-bg);color:var(--vos-text-muted)}.settings-form-grid select{width:100%;height:46px;border:1px solid var(--vos-border-strong);border-radius:var(--vos-radius-control);padding:0 var(--vos-space-3);color:var(--vos-text-primary);background:var(--vos-surface);outline:none}.settings-form-grid select:focus{border-color:var(--vos-brand);box-shadow:0 0 0 3px var(--vos-brand-soft)}.model-select-hint{color:var(--vos-text-muted);font-size:12px;font-weight:400}.settings-checks{display:flex;gap:var(--vos-space-6);margin-top:var(--vos-space-5, 20px);color:var(--vos-text-secondary);font-size:14px}.settings-checks label{display:flex;align-items:center;gap:var(--vos-space-2)}.settings-actions{display:flex;flex-wrap:wrap;gap:var(--vos-space-3);margin-top:var(--vos-space-6)}.settings-actions.end{justify-content:flex-end}.settings-notice{display:flex;align-items:center;gap:var(--vos-space-2);padding:var(--vos-space-3) var(--vos-space-4);border-radius:var(--vos-radius-control);font-size:14px}.settings-notice.ok{color:#246a31;background:var(--vos-accent-soft);border:1px solid #cfe6d1}.settings-notice.error{color:#9e2e2e;background:#fff1f1;border:1px solid #f0cccc}.route-settings-list{display:grid}.route-setting{display:grid;grid-template-columns:minmax(220px,1.1fr) minmax(180px,.7fr) minmax(220px,1fr);gap:var(--vos-space-4);align-items:end;padding:var(--vos-space-4) 0;border-bottom:1px solid var(--vos-border)}.route-setting:first-child{padding-top:0}.route-setting>div strong,.route-setting>div span,.route-setting label span{display:block}.route-setting>div span{margin-top:5px;color:var(--vos-text-muted);font-size:12px}.route-setting label span{margin-bottom:var(--vos-space-2);color:var(--vos-text-secondary);font-size:12px;font-weight:600}.route-setting select,.route-setting input{width:100%;height:42px;padding:0 var(--vos-space-3);border:1px solid var(--vos-border-strong);border-radius:var(--vos-radius-control);background:#fff;color:var(--vos-text-primary)}@media(max-width:900px){.settings-grid,.route-setting{grid-template-columns:1fr}}.sidebar-brand{align-items:center;gap:14px;min-height:64px;margin-bottom:10px}.sidebar-brand>div:last-child{min-height:auto;display:flex;flex-direction:column;justify-content:center}.sidebar-brand .brand-slogan{margin:6px 0 0;color:#e1ecf9c7;font-size:12px;line-height:1.25;font-weight:500}.auth-brand-top .brand-slogan{margin-top:8px;color:#125394e0}.workspace-sidebar .nav-link{color:#e1eaf6bf}.workspace-sidebar .nav-link:hover{background:#ffffff14;color:#f8fbfff5}.workspace-sidebar .nav-link.active{background:linear-gradient(90deg,#ffffff21,#ffffff13);box-shadow:inset 3px 0 0 var(--color-accent),inset 0 1px #ffffff0f}