:root {
  --wb-ink-950: #111411;
  --wb-ink-600: #4f5750;
  --wb-paper-100: #f4f1e8;
  --wb-panel-50: #fffefa;
  --wb-lime-400: #d3ff45;
  --wb-lime-100: #f3ffc9;
  --wb-focus-blue: #3157ff;
  --wb-surface-page: var(--wb-paper-100);
  --wb-surface-panel: var(--wb-panel-50);
  --wb-surface-strong: var(--wb-ink-950);
  --wb-text-primary: var(--wb-ink-950);
  --wb-text-secondary: var(--wb-ink-600);
  --wb-brand-primary: var(--wb-lime-400);
  --wb-brand-soft: var(--wb-lime-100);
  --wb-border-default: var(--wb-ink-950);
  --wb-font-sans: "PingFang SC", "Microsoft YaHei", "Noto Sans CJK SC", system-ui, -apple-system, sans-serif;
  --wb-font-mono: ui-monospace, SFMono-Regular, Menlo, Consolas, monospace;
  --wb-content-max: 1240px;
  --wb-page-gutter: clamp(18px, 3vw, 48px);
  --wb-radius-panel: 18px;
  --wb-radius-control: 10px;
  --wb-motion-feedback: 120ms;
  --wb-motion-state: 190ms;
  --wb-ease-out: cubic-bezier(.2, .8, .2, 1);
}

*, *::before, *::after { box-sizing: border-box; }
html { min-width: 320px; color: var(--wb-text-primary); background: var(--wb-surface-page); }
body {
  min-width: 320px;
  min-height: 100vh;
  margin: 0;
  color: var(--wb-text-primary);
  background-color: var(--wb-surface-page);
  background-image:
    linear-gradient(rgb(17 20 17 / 4.3%) 1px, transparent 1px),
    linear-gradient(90deg, rgb(17 20 17 / 4.3%) 1px, transparent 1px);
  background-size: 32px 32px;
  font: 16px/1.55 var(--wb-font-sans);
  -webkit-font-smoothing: antialiased;
}
a { color: inherit; -webkit-tap-highlight-color: transparent; }
img { display: block; max-width: 100%; }
button, input { font: inherit; }
button { color: inherit; }
.sr-only { width: 1px; height: 1px; padding: 0; position: absolute; overflow: hidden; clip: rect(0, 0, 0, 0); white-space: nowrap; border: 0; }
.skip-link { position: fixed; z-index: 100; top: 8px; left: 8px; padding: 10px 14px; color: var(--wb-panel-50); background: var(--wb-ink-950); transform: translateY(-160%); transition: transform var(--wb-motion-feedback) var(--wb-ease-out); }
.skip-link:focus { transform: translateY(0); }
:focus-visible { outline: 3px solid var(--wb-focus-blue); outline-offset: 4px; box-shadow: 0 0 0 7px var(--wb-brand-primary); }

.site-header { min-height: 72px; background: rgb(244 241 232 / 96%); border-bottom: 1px solid var(--wb-border-default); }
.site-header-inner { width: min(100%, calc(var(--wb-content-max) + var(--wb-page-gutter) * 2)); min-height: 72px; margin: 0 auto; padding: 0 var(--wb-page-gutter); display: flex; align-items: center; justify-content: space-between; gap: 24px; }
.brand { min-height: 48px; display: inline-flex; align-items: center; gap: 12px; text-decoration: none; }
.brand > img { width: 40px; height: 40px; flex: 0 0 auto; }
.brand > span { display: grid; gap: 1px; }
.brand strong { font-size: 18px; line-height: 1; letter-spacing: -.02em; }
.brand small { color: var(--wb-text-secondary); font: 760 8px/1.2 var(--wb-font-mono); letter-spacing: .1em; }
.site-actions { min-width: 0; display: flex; align-items: center; gap: 16px; }
.site-state { display: inline-flex; align-items: center; gap: 8px; color: var(--wb-text-secondary); font: 760 9px/1 var(--wb-font-mono); letter-spacing: .1em; white-space: nowrap; }
.site-state i { width: 8px; height: 8px; background: var(--wb-brand-primary); border: 1px solid var(--wb-border-default); border-radius: 50%; }
.user-name { display: grid; font-size: 13px; font-weight: 700; line-height: 1.2; }
.user-name small { margin-top: 3px; color: var(--wb-text-secondary); font: 700 8px/1 var(--wb-font-mono); letter-spacing: .08em; }
.site-actions form { margin: 0; }
.header-link { min-height: 44px; padding: 0 2px; display: inline-flex; align-items: center; color: var(--wb-text-primary); background: transparent; border: 0; font-size: 12px; font-weight: 760; text-decoration: underline; text-underline-offset: 4px; cursor: pointer; }
.header-link:hover { text-decoration-thickness: 2px; }

.activity-strip { min-height: 40px; padding: 0 var(--wb-page-gutter); color: var(--wb-ink-950); background: var(--wb-brand-primary); border-bottom: 1px solid var(--wb-border-default); }
.activity-inner { width: min(100%, var(--wb-content-max)); min-height: 40px; margin: 0 auto; display: grid; grid-template-columns: auto minmax(0, 1fr) auto; align-items: center; gap: 14px; font-size: 12px; }
.activity-inner strong { font-size: 11px; }
.activity-inner span { overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.activity-inner small { font: 760 9px/1 var(--wb-font-mono); letter-spacing: .06em; white-space: nowrap; }

.site-main { width: min(100%, calc(var(--wb-content-max) + var(--wb-page-gutter) * 2)); min-height: calc(100vh - 176px); margin: 0 auto; padding: 0 var(--wb-page-gutter) 64px; }
.site-main:focus-visible { outline: none; box-shadow: none; }
.site-footer { min-height: 64px; padding: 10px var(--wb-page-gutter); display: flex; align-items: center; justify-content: space-between; gap: 24px; color: var(--wb-panel-50); background: var(--wb-ink-950); border-top: 1px solid var(--wb-border-default); font: 760 9px/1.4 var(--wb-font-mono); letter-spacing: .06em; }
.site-footer > *:first-child { margin-left: max(0px, calc((100vw - var(--wb-content-max)) / 2 - var(--wb-page-gutter))); }
.site-footer > *:last-child { margin-right: max(0px, calc((100vw - var(--wb-content-max)) / 2 - var(--wb-page-gutter))); }

.home-index { padding-top: 20px; }
.section-title-row { min-height: 76px; padding: 12px 2px 14px; display: flex; align-items: end; justify-content: space-between; gap: 24px; border-bottom: 1px solid var(--wb-border-default); }
.section-title-row div { display: grid; gap: 5px; }
.section-title-row p, .section-title-row > span, .menu-code, .record-heading p, .breadcrumb, .module-intro > div > span, .content-heading p, .content-meta, .empty-state p, .eyebrow, .area-section > header p, .area-menu-card > span {
  margin: 0;
  color: var(--wb-text-secondary);
  font-family: var(--wb-font-mono);
  font-weight: 760;
  letter-spacing: .1em;
}
.section-title-row p, .section-title-row > span, .menu-code, .record-heading p, .module-intro > div > span, .content-heading p, .empty-state p, .eyebrow, .area-section > header p, .area-menu-card > span { font-size: 9px; }
.section-title-row h2 { margin: 0; font-size: 28px; line-height: 1; letter-spacing: -.04em; }

.primary-menu-grid { padding-top: 20px; display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); grid-auto-rows: 1fr; align-items: stretch; gap: 16px; }
.primary-menu-card { min-width: 0; min-height: 320px; height: 100%; padding: 22px; position: relative; display: flex; flex-direction: column; overflow: hidden; isolation: isolate; color: var(--wb-text-primary); background: var(--wb-surface-panel); border: 1px solid var(--wb-border-default); border-radius: var(--wb-radius-panel); text-decoration: none; cursor: pointer; touch-action: manipulation; transition: background-color var(--wb-motion-state) var(--wb-ease-out); }
.primary-menu-card::before { content: ""; height: 8px; position: absolute; z-index: -2; right: 0; bottom: 0; left: 0; background: var(--wb-brand-primary); transition: height var(--wb-motion-state) var(--wb-ease-out); }
.primary-menu-card:hover, .primary-menu-card:focus-visible { background: var(--wb-brand-primary); }
.primary-menu-card:hover::before, .primary-menu-card:focus-visible::before { height: 100%; }
.primary-menu-card:active { background: var(--wb-brand-soft); }
.primary-menu-card > img { width: 124px; height: 124px; position: absolute; top: -38px; right: -30px; opacity: .13; transition: opacity var(--wb-motion-feedback) var(--wb-ease-out); }
.primary-menu-card:hover > img, .primary-menu-card:focus-visible > img { opacity: .26; }
.menu-code { position: relative; z-index: 2; line-height: 1; }
.primary-menu-copy { margin-top: 96px; position: relative; z-index: 2; display: grid; gap: 10px; }
.primary-menu-copy > strong { font-size: clamp(25px, 2.15vw, 32px); line-height: 1.05; letter-spacing: -.045em; }
.primary-menu-copy > span { max-width: 19ch; color: var(--wb-text-secondary); font-size: 13px; line-height: 1.65; }
.primary-menu-card:hover .primary-menu-copy > span, .primary-menu-card:focus-visible .primary-menu-copy > span { color: var(--wb-text-primary); }
.primary-menu-action { min-height: 44px; margin-top: auto; padding-top: 14px; position: relative; z-index: 2; display: flex; align-items: end; justify-content: space-between; gap: 12px; font-size: 11px; font-weight: 760; }
.primary-menu-action b { font-size: 18px; transition: transform var(--wb-motion-feedback) var(--wb-ease-out); }
.primary-menu-card:hover .primary-menu-action b, .primary-menu-card:focus-visible .primary-menu-action b { transform: translate(3px, -3px); }

.area-sections { padding-top: 24px; display: grid; gap: 28px; }
.area-section { min-width: 0; }
.area-section > header { min-height: 52px; padding: 0 2px 12px; border-bottom: 1px solid var(--wb-border-default); }
.area-section > header h2 { margin: 5px 0 0; font-size: 22px; line-height: 1.1; letter-spacing: -.03em; }
.area-section-direct { padding-top: 4px; }
.area-card-grid { padding-top: 14px; display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); grid-auto-rows: 1fr; align-items: stretch; gap: 12px; }
.area-menu-card { min-width: 0; min-height: 152px; height: 100%; padding: 18px; display: flex; flex-direction: column; color: var(--wb-text-primary); background: var(--wb-surface-panel); border: 1px solid var(--wb-border-default); border-radius: var(--wb-radius-panel); text-decoration: none; cursor: pointer; touch-action: manipulation; transition: background-color var(--wb-motion-state) var(--wb-ease-out); }
.area-menu-card:hover, .area-menu-card:focus-visible { background: var(--wb-brand-primary); }
.area-menu-card > strong { margin-top: 32px; font-size: 20px; line-height: 1.1; letter-spacing: -.035em; }
.area-menu-card > b { min-height: 32px; margin-top: auto; padding-top: 10px; display: flex; align-items: end; font-size: 11px; }

.records-grid { padding-top: 40px; display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 24px; }
.record-section { min-width: 0; border-top: 1px solid var(--wb-border-default); }
.record-heading { min-height: 68px; padding: 12px 2px; display: flex; align-items: center; justify-content: space-between; gap: 20px; border-bottom: 1px solid var(--wb-border-default); }
.record-heading h2, .content-heading h2 { margin: 5px 0 0; font-size: 22px; line-height: 1.1; letter-spacing: -.03em; }
.record-heading > strong, .content-heading > strong { font: 760 22px/1 var(--wb-font-mono); font-variant-numeric: tabular-nums; }
.record-list { margin: 0; padding: 0; list-style: none; }
.record-list li { min-height: 54px; padding: 9px 2px; display: grid; grid-template-columns: 28px minmax(0, 1fr); align-items: center; gap: 10px; border-bottom: 1px solid var(--wb-border-default); }
.record-list li > span { color: var(--wb-text-secondary); font: 760 9px/1 var(--wb-font-mono); }
.record-list li div { min-width: 0; display: grid; gap: 2px; }
.record-list li strong { overflow: hidden; font-size: 13px; text-overflow: ellipsis; white-space: nowrap; }
.record-list li small { color: var(--wb-text-secondary); font-size: 11px; }
.inline-empty { min-height: 92px; padding: 16px 2px; display: grid; align-content: start; gap: 4px; border-bottom: 1px solid var(--wb-border-default); }
.inline-empty strong { font-size: 14px; }
.inline-empty span { color: var(--wb-text-secondary); font-size: 12px; }
.inline-empty a { min-height: 44px; margin-top: 4px; display: inline-flex; align-items: center; width: fit-content; font-size: 12px; font-weight: 760; text-underline-offset: 4px; }

.module-view { padding-top: 14px; }
.breadcrumb { min-height: 44px; display: flex; align-items: center; gap: 8px; font-size: 10px; letter-spacing: .04em; }
.breadcrumb a { color: var(--wb-text-primary); text-underline-offset: 4px; }
.module-intro { min-height: 112px; padding: 18px 112px 20px 0; position: relative; display: flex; align-items: end; overflow: hidden; border-bottom: 1px solid var(--wb-border-default); }
.module-intro > div { min-width: 0; display: grid; grid-template-columns: auto minmax(0, 1fr); align-items: baseline; gap: 7px 20px; }
.module-intro h1 { margin: 0; font-size: 32px; line-height: 1; letter-spacing: -.045em; }
.module-intro p { max-width: 680px; margin: 0; grid-column: 2; color: var(--wb-text-secondary); font-size: 13px; }
.corner-mark { width: 108px; height: 108px; position: absolute; top: -34px; right: -24px; opacity: .13; }
.empty-state { min-height: 188px; padding: 28px 0; display: grid; grid-template-columns: minmax(0, 1fr) auto; align-items: start; gap: 48px; border-bottom: 1px solid var(--wb-border-default); }
.empty-state h2 { margin: 7px 0 9px; font-size: 22px; line-height: 1.1; }
.empty-state span { max-width: 720px; display: block; color: var(--wb-text-secondary); font-size: 14px; }
.empty-side { display: grid; justify-items: end; gap: 12px; }
.empty-side > strong { padding: 10px 12px; background: var(--wb-brand-soft); border-left: 4px solid var(--wb-brand-primary); font: 800 10px/1 var(--wb-font-mono); letter-spacing: .1em; white-space: nowrap; }
.button { min-height: 44px; padding: 10px 13px; display: inline-flex; align-items: center; justify-content: center; color: var(--wb-text-primary); background: var(--wb-brand-primary); border: 1px solid var(--wb-border-default); border-radius: var(--wb-radius-control); font-size: 12px; font-weight: 760; text-decoration: none; cursor: pointer; }
.button:hover { color: var(--wb-panel-50); background: var(--wb-ink-950); }
.content-section { padding-top: 24px; }
.content-heading { min-height: 60px; padding: 0 2px 12px; display: flex; align-items: end; justify-content: space-between; gap: 20px; border-bottom: 1px solid var(--wb-border-default); }
.content-list { display: grid; }
.content-row { padding: 18px 2px 20px; border-bottom: 1px solid var(--wb-border-default); }
.content-meta { display: flex; align-items: center; justify-content: space-between; gap: 20px; font-size: 9px; }
.content-row h3 { margin: 12px 0 6px; font-size: 20px; line-height: 1.2; letter-spacing: -.025em; }
.content-row > p, .content-body { max-width: 76ch; margin: 0; color: var(--wb-text-secondary); font-size: 14px; }
.content-body { margin-top: 12px; color: var(--wb-text-primary); }
.content-body p { margin: 0 0 8px; }
.content-row > small { margin-top: 14px; display: block; color: var(--wb-text-secondary); font-size: 11px; }

.login-body { display: grid; grid-template-rows: auto 1fr auto; }
.login-main { width: min(100%, calc(var(--wb-content-max) + var(--wb-page-gutter) * 2)); min-height: calc(100vh - 136px); margin: 0 auto; padding: 48px var(--wb-page-gutter); display: grid; place-items: center; }
.login-card { width: min(100%, 460px); padding: 28px; position: relative; overflow: hidden; background: var(--wb-panel-50); border: 1px solid var(--wb-border-default); border-radius: var(--wb-radius-panel); }
.login-card .corner-mark { top: -30px; right: -28px; }
.login-card h1 { margin: 8px 0 5px; font-size: 32px; line-height: 1.05; letter-spacing: -.045em; }
.login-lead { margin: 0; color: var(--wb-text-secondary); font-size: 13px; }
.form-error { margin-top: 18px; padding: 12px; background: var(--wb-brand-soft); border-left: 4px solid var(--wb-brand-primary); font-size: 13px; }
.login-form { margin-top: 22px; display: grid; gap: 16px; }
.field { display: grid; gap: 7px; }
.field label { font-size: 12px; font-weight: 760; }
.field input { width: 100%; min-height: 44px; padding: 9px 12px; color: var(--wb-text-primary); background: var(--wb-panel-50); border: 1px solid var(--wb-border-default); border-radius: var(--wb-radius-control); font-size: 16px; }
.password-field { display: grid; grid-template-columns: minmax(0, 1fr) auto; }
.password-field input { border-radius: var(--wb-radius-control) 0 0 var(--wb-radius-control); }
.password-field button { min-width: 64px; min-height: 44px; background: var(--wb-brand-soft); border: 1px solid var(--wb-border-default); border-left: 0; border-radius: 0 var(--wb-radius-control) var(--wb-radius-control) 0; font-size: 12px; font-weight: 760; cursor: pointer; }
.button-block { width: 100%; }
.login-help { margin: 14px 0 0; color: var(--wb-text-secondary); font-size: 12px; }

@media (max-width: 920px) {
  .primary-menu-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .area-card-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .records-grid { grid-template-columns: 1fr; }
  .site-footer > * { margin-inline: 0 !important; }
}

@media (max-width: 680px) {
  .site-header, .site-header-inner { min-height: 64px; }
  .brand small, .user-name, .site-actions .header-link[href] { display: none; }
  .site-actions { gap: 10px; }
  .site-state { font-size: 8px; }
  .activity-inner { grid-template-columns: auto minmax(0, 1fr); }
  .activity-inner small { display: none; }
  .primary-menu-grid, .area-card-grid { grid-template-columns: 1fr; }
  .primary-menu-card { min-height: 260px; }
  .primary-menu-copy { margin-top: 64px; }
  .section-title-row { min-height: 68px; }
  .section-title-row > span { display: none; }
  .module-intro { min-height: 104px; padding: 16px 72px 18px 0; }
  .module-intro > div { grid-template-columns: 1fr; gap: 6px; }
  .module-intro p { grid-column: 1; }
  .module-intro .corner-mark { width: 82px; height: 82px; top: -24px; right: -22px; }
  .empty-state { grid-template-columns: 1fr; gap: 20px; }
  .empty-side { justify-items: start; }
  .content-meta { align-items: flex-start; flex-direction: column; gap: 3px; }
  .site-footer { padding-block: 18px; align-items: flex-start; flex-direction: column; }
  .login-main { padding-block: 28px; }
  .login-card { padding: 22px; }
}

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after { scroll-behavior: auto !important; transition-duration: .01ms !important; animation-duration: .01ms !important; }
}