:root {
  color-scheme: light;
  color: #171717;
  background: #f4efe6;
}

* { box-sizing: border-box; }
body { margin: 0; min-width: 320px; }
button, input, select, textarea { font: inherit; }

.cz-brand { display: flex; align-items: center; gap: var(--cz-space-3); font-family: var(--cz-font-logo); font-size: 13px; letter-spacing: .16em; }
.cz-brand img { width: auto; height: 58px; object-fit: contain; }
.cz-brand span { width: 34px; height: 34px; display: grid; place-items: center; border: 1px solid currentColor; border-radius: 50%; font-size: 17px; letter-spacing: 0; }
.cz-brand i { margin-left: 2px; font-family: var(--cz-font-heading); font-size: 14px; font-style: normal; font-weight: 500; letter-spacing: .12em; }

.cz-login { position: relative; min-height: 100vh; padding: clamp(20px,4vw,56px); display: grid; place-items: center; overflow: hidden; background: linear-gradient(180deg,rgba(245,249,251,.08) 0%,rgba(245,249,251,.02) 48%,rgba(231,240,245,.16) 100%),url('/assets/lumicrest-snow-lake-v5.webp') 50% 100%/auto 112% no-repeat fixed; color: #15252d; }
.cz-login > .cz-brand { position: absolute; z-index: 2; top: clamp(24px,4vw,48px); left: clamp(24px,4vw,56px); }
.cz-login > .cz-brand img { height: 64px; }
.cz-login__panel { position: relative; z-index: 1; width: min(100%, 420px); padding: 36px; border: 1px solid rgba(255,255,255,.72); border-radius: 4px; background: rgba(248,250,250,.68); box-shadow: 0 22px 64px rgba(21,37,45,.16); backdrop-filter: blur(14px); -webkit-backdrop-filter: blur(14px); transform: translateY(clamp(60px,10vh,90px)); }
.cz-login__card { width: 100%; margin: 0; display: grid; gap: 18px; }
.cz-login__card h1 { margin: 0 0 6px; color: inherit; font-size: 24px; font-weight: 600; line-height: 1.25; text-align: center; letter-spacing: .04em; }
.cz-login__card label { display: grid; gap: 8px; font-size: 14px; }
.cz-login__card input { width: 100%; min-height: 50px; padding: 12px 14px; border: 1px solid #666; border-radius: 3px; background: #fff; color: #171717; font-size: 16px; }
.cz-login__card button { width: 100%; }
.cz-login__error { margin: -4px 0; color: #a52d20; font-size: 14px; }
.cz-login__qr { width: 216px; min-height: 216px; padding: 10px; margin: 0 auto; background: #fff; border-radius: 4px; }
.cz-login__qr img { display: block; width: 196px; height: 196px; }
.cz-login__dingtalk { display: block; width: 100%; margin: 4px 0 0; background: #15252d; color: #fff; text-align: center; text-decoration: none; }
.cz-login__hint { margin: 0; color: #41545d; text-align: left; font-size: 14px; line-height: 1.65; }
.cz-login__fallback { margin-top: 4px; padding: 16px 0 0; border-top: 1px solid rgba(21,37,45,.20); color: #41545d; }
.cz-login__fallback summary { cursor: pointer; font-size: 14px; }
.cz-login__fallback form { display: grid; gap: 14px; padding-top: 16px; }

.cz-workspace { min-height: 100vh; padding: 28px clamp(18px, 5vw, 64px) 64px; background: linear-gradient(180deg,rgba(246,249,249,.18) 0%,rgba(246,249,249,.03) 58%,rgba(230,240,244,.10) 100%),url('/assets/lumicrest-snow-lake-v5.webp') 50% center/cover no-repeat fixed; color: #15252d; }
.cz-workspace header { display: flex; align-items: center; justify-content: space-between; }
.cz-workspace .cz-shell__nav a { color: rgba(21,37,45,.68); }
.cz-workspace .cz-shell__nav a.is-active { color: #15252d; }
.cz-workspace__logout { padding: 8px 0; border: 0; background: transparent; color: rgba(21,37,45,.72); cursor: pointer; }
.cz-workspace section { width: min(100%, 1160px); margin: 8vh auto 0; padding: 32px; border: 1px solid rgba(255,255,255,.64); border-radius: 6px; background: rgba(247,250,251,.48); box-shadow: 0 24px 70px rgba(27,54,66,.10); backdrop-filter: blur(18px); -webkit-backdrop-filter: blur(18px); }
.cz-workspace__name { margin: 0 0 4px; color: rgba(21,37,45,.64); font-size: 14px; }
.cz-workspace h1 { margin: 0 0 28px; color: #15252d; font-size: clamp(38px, 4.5vw, 52px); line-height: 1.05; }
.cz-workspace__grid { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 12px; }
.cz-workspace__card { min-height: 118px; padding: 20px; display: flex; align-items: center; gap: 16px; border: 1px solid rgba(21,37,45,.14); border-radius: 4px; background: rgba(255,255,255,.58); color: inherit; text-decoration: none; box-shadow: 0 8px 24px rgba(27,54,66,.06); transition: transform .18s ease, border-color .18s ease, background .18s ease, box-shadow .18s ease; }
.cz-workspace__card:hover { transform: translateY(-2px); border-color: rgba(21,37,45,.34); background: rgba(255,255,255,.82); box-shadow: 0 14px 32px rgba(27,54,66,.10); }
.cz-workspace__mark { width: 40px; height: 40px; flex: 0 0 auto; display: grid; place-items: center; border: 1px solid currentColor; border-radius: 50%; font-family: Georgia, serif; font-size: 14px; }
.cz-workspace__card strong { min-width: 0; font-family: var(--cz-font-heading); font-size: 20px; font-weight: 400; line-height: 1.35; }
.cz-workspace__empty { color: #5c5c5c; }
.cz-workspace__card--accent { background: rgba(244,218,155,.34); color: #15252d; }

.cz-shell { min-height: 100vh; padding: 28px clamp(18px, 5vw, 64px) 64px; }
.cz-shell__header { display: flex; align-items: center; gap: 24px; justify-content: space-between; }
.cz-shell__nav { display: flex; flex-wrap: wrap; justify-content: center; gap: 6px 20px; margin-left: auto; }
.cz-shell__nav a { color: #666; text-decoration: none; font-size: 14px; }
.cz-shell__nav a.is-active { color: #171717; border-bottom: 1px solid currentColor; }
.cz-shell__content { width: min(100%, 1100px); margin: 9vh auto 0; }
.cz-shell__content h1 { margin: 4px 0 34px; font-size: clamp(40px, 7vw, 68px); }
.cz-kicker, .cz-help { color: #666; font-size: 14px; }
.cz-settings { display: grid; grid-template-columns: repeat(2,minmax(0,1fr)); border-top: 1px solid #ccc; }
.cz-settings div { min-height: 120px; padding: 24px 0; display: grid; align-content: space-between; border-bottom: 1px solid #ccc; }
.cz-settings div:nth-child(odd) { padding-right: 32px; }
.cz-settings span, .cz-account span { color: #666; font-size: 13px; }
.cz-settings strong { font-family: var(--cz-font-heading); font-size: 22px; font-weight: 400; }
.cz-accounts-form { padding-bottom: 88px; }
.cz-accounts { display: grid; gap: 12px; }
.cz-account { padding: 20px; display: grid; grid-template-columns: minmax(150px,.7fr) 2fr; align-items: center; gap: 20px; background: #fff; border: 1px solid #ddd; }
.cz-account > div:first-of-type { display: grid; gap: 4px; }
.cz-account__checks { display: flex; flex-wrap: wrap; gap: 10px 18px; font-size: 14px; }
.cz-accounts__actions { position: fixed; z-index: 20; right: clamp(18px,5vw,64px); bottom: 24px; padding: 8px; display: flex; justify-content: flex-end; border: 1px solid rgba(0,0,0,.16); background: rgba(244,239,230,.92); box-shadow: 0 12px 34px rgba(0,0,0,.14); backdrop-filter: blur(12px); -webkit-backdrop-filter: blur(12px); }
.cz-accounts__actions .cz-button { min-width: 190px; }
.cz-account__checks small { margin-left: 4px; padding: 2px 5px; border-radius: 9px; background: #eee9e2; color: #7b6253; font-size: 9px; font-weight: 700; }
.cz-improvement-center { width: min(100%, 1240px); }
.cz-improvement-center__tabs { margin-bottom: 32px; display: grid; grid-template-columns: repeat(2,minmax(0,220px)); gap: 8px; }
.cz-improvement-center__tabs a { min-height: 52px; padding: 13px 20px; display: inline-flex; align-items: center; justify-content: center; border: 1px solid #bdb5ae; background: rgba(255,255,255,.86); color: #34302d; font-size: 16px; font-weight: 700; text-align: center; text-decoration: none; }
.cz-improvement-center__tabs a.is-active { border-color: #232323; background: #232323; color: #fff; }
.cz-improvement-center__heading { display: flex; align-items: flex-end; justify-content: space-between; gap: 24px; margin-bottom: 28px; }
.cz-improvement-center__heading h1 { margin-bottom: 8px; }
.cz-improvement-center__actions { display: flex; flex-wrap: wrap; justify-content: flex-end; gap: 8px; }
.cz-improvement-filters { display: flex; gap: 8px; margin: 0 0 24px; overflow-x: auto; scrollbar-width: none; }
.cz-improvement-filters::-webkit-scrollbar { display: none; }
.cz-improvement-filters a { min-height: 44px; flex: 0 0 auto; padding: 9px 12px; display: inline-flex; align-items: center; justify-content: center; border: 1px solid #d6d0ca; background: rgba(255,255,255,.75); color: #4d4743; font-size: 13px; font-weight: 700; text-align: center; text-decoration: none; }
.cz-improvement-filters a.is-active { border-color: #232323; background: #232323; color: #fff; }
.cz-improvement-filters--personal { display: grid; grid-template-columns: repeat(3, minmax(0, 150px)); max-width: 466px; overflow: visible; }
.cz-improvement-filters--status { display: grid; grid-template-columns: repeat(6, minmax(0, 1fr)); overflow: visible; }
.cz-improvement-filters--status a { min-width: 0; text-align: center; }
.cz-improvements { display: grid; grid-template-columns: minmax(320px,.72fr) minmax(0,1.28fr); gap: 28px; align-items: start; }
.cz-improvement-form { padding: 24px; display: grid; gap: 16px; background: rgba(255,255,255,.94); border: 1px solid #ddd; position: sticky; top: 20px; }
.cz-improvement-form h2 { margin: 3px 0 0; font-size: 25px; }
.cz-improvement-form > div:first-child .cz-help { margin: 8px 0 0; line-height: 1.6; }
.cz-improvement-board { min-width: 0; }
.cz-improvement-board--standalone { width: min(100%, 1000px); margin-inline: auto; }
.cz-improvement-board__heading { margin: 0 0 16px; }
.cz-improvement-board__heading h2 { margin: 3px 0 6px; font-size: 25px; }
.cz-improvement-board__heading .cz-help { margin: 0; line-height: 1.6; }
.cz-improvement-advanced { margin-bottom: 18px; border: 1px solid #d8d2cc; background: rgba(255,255,255,.78); }
.cz-improvement-advanced > summary { min-height: 48px; padding: 12px 14px; display: flex; align-items: center; justify-content: space-between; gap: 12px; color: #4d4743; font-size: 14px; font-weight: 700; list-style: none; cursor: pointer; }
.cz-improvement-advanced > summary::-webkit-details-marker { display: none; }
.cz-improvement-advanced > summary::after { content: "+"; font-size: 20px; font-weight: 400; line-height: 1; }
.cz-improvement-advanced[open] > summary::after { content: "−"; }
.cz-improvement-advanced-filters { margin: 0; padding: 14px; display: grid; grid-template-columns: repeat(3,minmax(0,1fr)) auto; align-items: end; gap: 10px; border-top: 1px solid #d8d2cc; }
.cz-improvement-advanced-filters label { min-width: 0; display: grid; gap: 7px; color: #59534e; font-size: 13px; }
.cz-improvement-advanced-filters select { width: 100%; min-width: 0; min-height: 48px; padding: 10px 12px; border: 1px solid #bbb3ac; border-radius: 2px; background: #fff; color: #292725; font: inherit; }
.cz-improvement-advanced-filters__actions { display: flex; gap: 8px; }
.cz-improvement-advanced-filters__actions .cz-button { min-width: 72px; padding-inline: 18px; }
.cz-improvement-board__filters { display: grid; gap: 10px; margin-bottom: 14px; }
.cz-improvement-board__filter-row { display: grid; grid-template-columns: 68px minmax(0,1fr); align-items: start; gap: 12px; }
.cz-improvement-board__filter-row > span { padding-top: 11px; color: #666; font-size: 13px; }
.cz-improvement-board .cz-improvement-filters { margin: 0; }
.cz-improvement-form label { display: grid; gap: 7px; color: #555; font-size: 13px; }
.cz-improvement-form input, .cz-improvement-form select, .cz-improvement-form textarea, .cz-improvement__update input, .cz-improvement__update select { width: 100%; min-height: 44px; padding: 10px 12px; border: 1px solid #bbb; border-radius: 2px; background: #fff; }
.cz-improvement-form textarea { min-height: 104px; resize: vertical; }
.cz-improvement-form label small { color: #777; line-height: 1.5; }
.cz-improvement-submit-page { width: min(100%, 900px); }
.cz-improvement-submit-page .cz-improvement-center__heading h1 { margin-bottom: 8px; }
.cz-improvement-form--standalone { position: static; width: min(100%, 720px); margin-inline: auto; padding: 32px; }
.cz-form-row { display: grid; grid-template-columns: 1fr 1.5fr; gap: 12px; }
.cz-form-status { min-height: 20px; margin: 0; color: #9f2018; font-size: 13px; }
.cz-improvement-preview, .cz-improvement__attachments { display: grid; grid-template-columns: repeat(3,minmax(0,1fr)); gap: 8px; }
.cz-improvement-preview:empty { display: none; }
.cz-attachment-card { min-width: 0; margin: 0; border: 1px solid #ddd; background: #f7f5f2; color: #3d3936; text-decoration: none; }
.cz-attachment-card--image { display: grid; grid-template-rows: auto 1fr; }
.cz-attachment-card--image > a { display: block; }
.cz-attachment-card--image img { width: 100%; aspect-ratio: 4/3; object-fit: cover; background: #f2efeb; }
.cz-attachment-card--image > div, .cz-attachment-card figcaption { min-width: 0; padding: 9px 10px; }
.cz-attachment-card--file { min-height: 82px; padding: 12px; display: flex; align-items: center; gap: 10px; }
.cz-attachment-card--file::before { content: "文件"; flex: 0 0 auto; padding: 6px 8px; background: #e8e3dd; color: #5b554f; font-size: 11px; font-weight: 700; }
.cz-attachment-card span { min-width: 0; display: grid; gap: 3px; }
.cz-attachment-card strong, .cz-attachment-card figcaption span { overflow: hidden; font-size: 12px; line-height: 1.4; text-overflow: ellipsis; white-space: nowrap; }
.cz-attachment-card small { color: #777; font-size: 11px; }
.cz-improvement-list { display: grid; gap: 14px; }
.cz-improvement { padding: 24px; background: rgba(255,255,255,.94); border: 1px solid #ddd; }
.cz-improvement h2 { margin: 14px 0 16px; font-size: 24px; }
.cz-improvement p { margin: 6px 0 14px; color: #444; line-height: 1.65; }
.cz-improvement small { color: #777; }
.cz-improvement__meta { display: flex; flex-wrap: wrap; gap: 8px; }
.cz-improvement__meta span { padding: 4px 8px; background: #eee9df; font-size: 12px; }
.cz-improvement__meta span[data-urgency="urgent"] { background: #fff0ed; color: #a3281c; }
.cz-improvement__section { margin-top: 14px; padding-top: 14px; border-top: 1px solid #e5e1dd; }
.cz-improvement__section strong { display: block; margin-bottom: 5px; font-size: 12px; letter-spacing: .05em; }
.cz-improvement__people { display: flex; flex-wrap: wrap; gap: 8px 18px; margin-top: 16px; }
.cz-improvement__update { display: grid; grid-template-columns: 1fr 1fr 1.4fr auto; gap: 8px; margin-top: 18px; }
.cz-improvement__validation { display: flex; gap: 8px; margin-top: 10px; }
.cz-improvement__timeline { margin-top: 18px; border-top: 1px solid #ddd; }
.cz-improvement__timeline summary { padding: 14px 0 0; cursor: pointer; font-weight: 700; }
.cz-improvement__event { margin-top: 12px; padding-left: 12px; border-left: 2px solid #d8d1cb; }
.cz-improvement__event p { margin: 3px 0; font-size: 13px; }
.cz-improvement-ai { margin-top: 18px; padding: 18px; display: grid; gap: 13px; border: 1px solid #cfc8c0; background: #f7f4ef; }
.cz-improvement-ai > header { display: flex; align-items: flex-start; justify-content: space-between; gap: 16px; }
.cz-improvement-ai > header > div, .cz-improvement-ai > div:first-child { display: grid; gap: 4px; }
.cz-improvement-ai small { color: #756d66; font-size: 11px; font-weight: 700; letter-spacing: .08em; text-transform: uppercase; }
.cz-improvement-ai strong { color: #24211f; font-family: var(--cz-font-heading); font-size: 18px; font-weight: 500; }
.cz-improvement-ai > p, .cz-improvement-ai__block p { margin: 0; color: #4e4945; font-size: 13px; line-height: 1.65; }
.cz-improvement-ai > header > span { flex: 0 0 auto; padding: 6px 9px; border: 1px solid #aaa39d; background: #fff; color: #5a534e; font-size: 11px; font-weight: 700; }
.cz-improvement-ai > header > span[data-risk="green"] { border-color: #9fb8a6; background: #edf5ef; color: #28583a; }
.cz-improvement-ai > header > span[data-risk="yellow"] { border-color: #d6bd78; background: #fff6dc; color: #715512; }
.cz-improvement-ai > header > span[data-risk="red"] { border-color: #d6a198; background: #fff0ed; color: #8c281f; }
.cz-improvement-ai__block, .cz-improvement-ai__checks { padding-top: 12px; border-top: 1px solid #ddd6cf; }
.cz-improvement-ai__block > b, .cz-improvement-ai__checks > b { display: block; margin-bottom: 7px; color: #625b55; font-size: 11px; letter-spacing: .05em; }
.cz-improvement-ai ul { margin: 0; padding-left: 18px; color: #514b46; font-size: 12px; line-height: 1.65; }
.cz-improvement-ai__checks ul { padding: 0; display: grid; gap: 6px; list-style: none; }
.cz-improvement-ai__checks li { display: grid; grid-template-columns: 64px minmax(110px,.7fr) minmax(0,1.3fr); gap: 10px; padding: 8px 10px; background: #fff; }
.cz-improvement-ai__checks li::before { content: "未通过"; color: #a3281c; font-size: 11px; font-weight: 700; }
.cz-improvement-ai__checks li[data-status="passed"]::before { content: "已通过"; color: #28603c; }
.cz-improvement-ai__checks li strong { font-family: inherit; font-size: 12px; font-weight: 700; }
.cz-improvement-ai__checks li span { color: #706963; font-size: 12px; }
.cz-improvement-ai__previews { display: grid; grid-template-columns: repeat(2,minmax(0,1fr)); gap: 8px; }
.cz-improvement-ai__previews a { display: grid; gap: 5px; color: #514b46; font-size: 11px; text-decoration: none; }
.cz-improvement-ai__previews img { width: 100%; aspect-ratio: 4/3; border: 1px solid #ddd6cf; object-fit: cover; }
.cz-improvement-ai .cz-improvement-ai__hashes { color: #7b746e; font-family: ui-monospace, SFMono-Regular, Menlo, monospace; font-size: 10px; }
.cz-improvement-ai__actions { display: flex; flex-wrap: wrap; align-items: end; gap: 8px; padding-top: 12px; border-top: 1px solid #ddd6cf; }
.cz-improvement-ai__actions form { display: flex; flex: 1 1 150px; gap: 7px; align-items: end; }
.cz-improvement-ai__actions input { width: 100%; min-width: 0; min-height: 42px; padding: 9px 10px; border: 1px solid #bbb; background: #fff; }
.cz-improvement-ai__actions .cz-button { flex: 0 0 auto; white-space: nowrap; }
.cz-text-link { color: #3e464b; font-size: 12px; text-underline-offset: 3px; }
.cz-notice { padding: 12px 14px; background: #fff4cf; }

@media (max-width: 1050px) {
  .cz-workspace section { width: min(100%, 760px); }
  .cz-workspace__grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  /* This compact toolbar stays in one row until the mobile breakpoint; all four columns fit the 1000px board. */
}

@media (max-width: 700px) {
  .cz-brand img { height: 50px; }
  .cz-login { padding: 18px; background-position: 52% 100%; background-size: auto 112%; background-attachment: scroll; }
  .cz-login > .cz-brand { top: 22px; left: 22px; }
  .cz-login > .cz-brand img { height: 52px; }
  .cz-login__panel { width: min(100%, 380px); padding: 30px 22px; background: rgba(248,250,250,.74); transform: translateY(clamp(52px,8vh,70px)); }
  .cz-workspace { background-position: 50% center; background-attachment: scroll; }
  .cz-workspace { padding: 22px 18px 36px; }
  .cz-workspace section { margin-top: 6vh; padding: 22px 18px; }
  .cz-workspace h1 { margin-bottom: 22px; font-size: 38px; }
  .cz-workspace__grid { grid-template-columns: 1fr; }
  .cz-workspace__card { min-height: 92px; padding: 18px; }
  .cz-workspace__card strong { font-size: 19px; }
  .cz-shell__header { align-items: flex-start; flex-wrap: wrap; }
  .cz-shell__nav { order: 3; width: 100%; justify-content: flex-start; overflow-x: auto; flex-wrap: nowrap; padding-bottom: 6px; }
  .cz-shell__content { margin-top: 7vh; }
  .cz-settings { grid-template-columns: 1fr; }
  .cz-settings div:nth-child(odd) { padding-right: 0; }
  .cz-account { grid-template-columns: 1fr; }
  .cz-accounts__actions { right: 18px; bottom: 14px; left: 18px; }
  .cz-accounts__actions .cz-button { width: 100%; }
  .cz-improvements { grid-template-columns: 1fr; }
  .cz-improvement-form { position: static; }
  .cz-improvement-center__heading { align-items: flex-start; flex-direction: column; }
  .cz-improvement-center__tabs { margin-bottom: 24px; grid-template-columns: repeat(2,minmax(0,1fr)); }
  .cz-improvement-center__actions { width: 100%; justify-content: stretch; }
  .cz-improvement-center__actions .cz-button { flex: 1 1 100%; }
  .cz-improvement-form--standalone { padding: 24px; }
  .cz-improvement-board { margin-top: 8px; }
  .cz-improvement-advanced-filters { padding: 16px; grid-template-columns: 1fr; }
  .cz-improvement-advanced-filters__actions { grid-column: auto; }
  .cz-improvement-advanced-filters__actions .cz-button { flex: 1 1 0; min-width: 0; }
  .cz-improvement-board__filter-row { grid-template-columns: 1fr; gap: 6px; }
  .cz-improvement-board__filter-row > span { padding-top: 0; }
  .cz-improvement-filters { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); overflow: visible; }
  .cz-improvement-filters--personal { width: 100%; max-width: none; grid-template-columns: repeat(3, minmax(0, 1fr)); }
  .cz-improvement-filters a { min-width: 0; text-align: center; }
  .cz-form-row, .cz-improvement__update { grid-template-columns: 1fr; }
  .cz-improvement-preview, .cz-improvement__attachments { grid-template-columns: 1fr; }
  .cz-improvement__validation { flex-direction: column; }
  .cz-improvement-ai > header { flex-direction: column; }
  .cz-improvement-ai__checks li { grid-template-columns: 1fr; gap: 4px; }
  .cz-improvement-ai__actions, .cz-improvement-ai__actions form { align-items: stretch; flex-direction: column; }
  .cz-improvement-ai__actions form, .cz-improvement-ai__actions .cz-button { width: 100%; }
}

@media (prefers-reduced-motion: reduce) {
  * { transition-duration: .01ms !important; }
}