:root {
  --ink: #1a1a1a;
  --muted: #666666;
  --faint: #999999;
  --canvas: #ffffff;
  --bg: #fafafa;
  --soft: #f2f2f2;
  --hairline: #e5e5e5;
  --hairline-soft: #ececec;
  --danger: #b42318;
  --success: #18784c;
  --warning: #8a5a00;
  --radius: 8px;
  --font: "Microsoft YaHei", "PingFang SC", -apple-system, "Segoe UI", sans-serif;
}

* { box-sizing: border-box; }
body { margin: 0; color: var(--ink); background: var(--canvas); font-family: var(--font); font-size: 14px; line-height: 1.55; -webkit-font-smoothing: antialiased; }
a { color: inherit; text-decoration: none; }
button, input, select, textarea { color: inherit; font: inherit; }
button { cursor: pointer; }
img { display: block; max-width: 100%; }

.icon { width: 17px; height: 17px; flex: 0 0 auto; }
.eyebrow { margin: 0 0 6px; color: var(--faint); font-size: 11px; }
.brand { display: inline-flex; align-items: center; gap: 9px; font-size: 15px; font-weight: 700; white-space: nowrap; }
.brand-mark { display: grid; place-items: center; width: 30px; height: 30px; color: #fff; background: var(--ink); border-radius: var(--radius); font-size: 13px; font-weight: 700; }

.btn { display: inline-flex; align-items: center; justify-content: center; gap: 7px; min-height: 40px; padding: 0 16px; border: 1px solid transparent; border-radius: var(--radius); font-weight: 600; transition: opacity .15s; }
.btn:hover { opacity: .85; }
.btn-dark { color: white; background: var(--ink); }
.btn-outline { border-color: var(--hairline); background: white; }
.btn-outline:hover { border-color: var(--ink); opacity: 1; }
.btn-soft { background: var(--soft); }
.btn-sm { min-height: 32px; padding: 0 12px; font-size: 13px; }
.btn-lg { min-height: 46px; padding: 0 20px; }

/* 学生端 */
.site-header { position: sticky; top: 0; z-index: 50; background: rgba(255,255,255,.95); border-bottom: 1px solid var(--hairline); }
.nav-pill { display: flex; align-items: center; gap: 24px; width: min(960px, 100%); height: 58px; margin: 0 auto; padding: 0 16px; }
.nav-links { display: flex; gap: 22px; margin-left: auto; }
.nav-links a { color: var(--muted); font-weight: 600; }
.nav-links a:hover, .nav-links a.active { color: var(--ink); }

.simple-main { width: min(680px, calc(100% - 32px)); margin: 0 auto; padding: 40px 0 70px; }
.simple-intro { margin-bottom: 24px; }
.simple-intro h1 { margin: 0 0 6px; font-size: 26px; }
.simple-intro p { margin: 0; color: var(--muted); }

.application-form { display: grid; gap: 16px; }
.form-card { padding: 20px; background: white; border: 1px solid var(--hairline); border-radius: var(--radius); }
.form-card h3 { margin: 0 0 14px; font-size: 15px; }
.form-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 14px; }
.field { display: flex; flex-direction: column; gap: 6px; }
.field > span { font-size: 13px; }
.field > small { margin-top: -2px; color: var(--faint); font-size: 11px; }
.field-full { grid-column: 1 / -1; }
.field input, .field select, .field textarea, .filter-bar input, .filter-bar select, .panel-head select, .track-form input { width: 100%; border: 1px solid var(--hairline); outline: none; background: white; border-radius: var(--radius); transition: border-color .15s; }
.field input, .field select { min-height: 42px; padding: 0 12px; }
.field textarea { min-height: 80px; padding: 10px 12px; resize: vertical; }
.field input:focus, .field select:focus, .field textarea:focus, .filter-bar input:focus, .track-form input:focus { border-color: var(--ink); }
.field input::placeholder, .field textarea::placeholder, .track-form input::placeholder { color: var(--faint); }
em { color: var(--danger); font-style: normal; }
.score-preview { display: flex; align-items: center; justify-content: space-between; gap: 16px; padding: 12px 14px; background: var(--bg); border: 1px solid var(--hairline); border-radius: var(--radius); }
.score-preview > div { display: flex; align-items: center; gap: 12px; }
.score-preview span { color: var(--muted); font-size: 12px; }
.score-preview strong { font-size: 22px; }
.score-preview p { max-width: 300px; margin: 0; color: var(--muted); font-size: 12px; text-align: right; }
.upload-zone { display: flex; flex-direction: column; align-items: center; justify-content: center; min-height: 150px; padding: 20px; border: 1px dashed var(--hairline); border-radius: var(--radius); background: var(--bg); text-align: center; cursor: pointer; }
.upload-zone:hover, .upload-zone.dragging { border-color: var(--ink); }
.upload-zone input { position: absolute; width: 1px; height: 1px; opacity: 0; }
.upload-icon { display: grid; place-items: center; width: 38px; height: 38px; margin-bottom: 10px; background: var(--soft); border-radius: var(--radius); }
.upload-zone strong { font-size: 14px; }
.upload-zone small { margin-top: 4px; color: var(--muted); }
.file-list { display: grid; grid-template-columns: 1fr 1fr; gap: 8px; margin-top: 12px; }
.file-item { display: flex; align-items: center; gap: 10px; padding: 10px 12px; border: 1px solid var(--hairline); border-radius: var(--radius); }
.file-item .icon { padding: 6px; width: 32px; height: 32px; background: var(--soft); border-radius: var(--radius); }
.file-item div { min-width: 0; }
.file-item b, .file-item small { display: block; overflow: hidden; white-space: nowrap; text-overflow: ellipsis; }
.file-item b { font-size: 12px; }
.file-item small { color: var(--faint); font-size: 11px; }
.submit-row { display: flex; align-items: center; justify-content: space-between; gap: 20px; }
.submit-row p { color: var(--faint); font-size: 12px; }

.alert { margin: 0 0 14px; padding: 13px 16px; border: 1px solid #f0c9c4; border-radius: var(--radius); }
.alert-danger { color: #802018; background: #fdf2f0; }
.alert ul { margin: 6px 0 0; padding-left: 18px; }
.toast-stack { position: fixed; z-index: 1000; top: 16px; right: 16px; display: grid; gap: 8px; width: min(360px, calc(100% - 32px)); }
.toast { display: flex; align-items: center; justify-content: space-between; gap: 14px; padding: 12px 14px; color: white; background: var(--ink); border-radius: var(--radius); }
.toast-danger { background: #8f241b; }
.toast-success { background: #176844; }
.toast button { color: inherit; background: none; border: 0; font-size: 18px; }

.footer { width: min(680px, calc(100% - 32px)); margin: 26px auto 0; padding: 16px 0 30px; border-top: 1px solid var(--hairline); }
.footer-inner { display: flex; align-items: center; justify-content: space-between; gap: 12px; flex-wrap: wrap; }
.footer-logo { font-size: 13px; font-weight: 700; color: var(--muted); }
.footer-links { display: flex; gap: 18px; color: var(--muted); font-size: 12px; }
.footer-links a:hover { color: var(--ink); }

/* 进度查询与提交成功 */
.track-main { width: min(680px, calc(100% - 32px)); min-height: 55vh; margin: 0 auto; padding: 44px 0 70px; }
.track-hero { margin: 0 auto 24px; text-align: center; }
.track-hero h1, .success-card h1 { margin: 0 0 10px; font-size: 28px; }
.track-hero > p:last-of-type, .success-card > p { color: var(--muted); }
.track-form { display: grid; grid-template-columns: 1fr 1fr auto; align-items: end; gap: 8px; margin-top: 22px; text-align: left; }
.track-form label { display: grid; gap: 5px; }
.track-form label span { color: var(--muted); font-size: 12px; }
.track-form input { min-height: 42px; padding: 0 12px; }
.lookup-message { padding: 20px; background: var(--bg); border: 1px solid var(--hairline); border-radius: var(--radius); text-align: center; }
.lookup-message p { margin: 4px 0 0; color: var(--muted); }
.result-card { padding: 22px; border: 1px solid var(--hairline); border-radius: var(--radius); }
.result-head { display: flex; align-items: start; justify-content: space-between; gap: 16px; }
.result-head p { margin: 0; color: var(--faint); font-size: 11px; }
.result-head h2 { margin: 3px 0 0; font-size: 18px; letter-spacing: .04em; }
.result-score { display: flex; align-items: center; gap: 20px; margin: 18px 0; padding: 16px; background: var(--ink); color: white; border-radius: var(--radius); }
.result-score > div { display: flex; align-items: center; gap: 12px; padding-right: 20px; border-right: 1px solid #3d3d3d; }
.result-score span { color: #aaa; font-size: 11px; }
.result-score strong { font-size: 28px; }
.result-score p { margin: 0; color: #aaa; }
.result-score b { color: white; }
.detail-list { display: grid; grid-template-columns: 1fr 1fr; margin: 0; }
.detail-list > div { padding: 11px 0; border-bottom: 1px solid var(--hairline-soft); }
.detail-list > div:nth-child(odd) { padding-right: 16px; }
.detail-list .full { grid-column: 1 / -1; }
.detail-list dt { color: var(--faint); font-size: 11px; }
.detail-list dd { margin: 3px 0 0; font-weight: 600; }
.timeline { display: flex; align-items: center; margin-top: 20px; padding-top: 18px; }
.timeline > div { display: flex; align-items: center; gap: 9px; }
.timeline > div > span { display: grid; place-items: center; width: 26px; height: 26px; background: var(--soft); border-radius: 50%; color: var(--muted); font-size: 11px; }
.timeline > div.done > span { color: white; background: var(--ink); }
.timeline p, .timeline b, .timeline small { display: block; margin: 0; }
.timeline small { color: var(--faint); font-size: 10px; }
.timeline > i { flex: 1; height: 1px; margin: 0 12px; background: var(--hairline); }
.timeline > i.done { background: var(--ink); }
.success-main { display: grid; place-items: center; min-height: calc(100vh - 90px); padding: 60px 24px; }
.success-card { width: min(520px, 100%); text-align: center; }
.success-check { display: grid; place-items: center; width: 56px; height: 56px; margin: 0 auto 18px; color: white; background: var(--ink); border-radius: 50%; font-size: 22px; }
.success-card > p b { color: var(--ink); }
.receipt-box { display: flex; align-items: center; gap: 14px; margin: 22px 0 8px; padding: 14px 16px; background: var(--bg); border: 1px solid var(--hairline); border-radius: var(--radius); text-align: left; }
.receipt-box span { color: var(--muted); font-size: 11px; }
.receipt-box strong { flex: 1; font-size: 17px; letter-spacing: .04em; }
.success-card .fine-print { font-size: 12px; }
.success-actions { display: flex; justify-content: center; gap: 10px; margin-top: 22px; }

/* 登录页 */
.login-shell { display: grid; place-items: center; min-height: 100vh; padding: 24px; background: var(--bg); }
.login-box { width: min(380px, 100%); padding: 36px; background: white; border: 1px solid var(--hairline); border-radius: var(--radius); }
.login-box h2 { margin: 0; font-size: 24px; }
.login-intro { margin: 6px 0 22px; color: var(--muted); }
.login-form { display: grid; gap: 14px; }
.login-form .btn { margin-top: 4px; }
.back-link { display: block; margin-top: 18px; color: var(--muted); font-size: 13px; text-align: center; }

/* 管理端：顶部导航布局 */
.admin-body { background: var(--bg); }
.admin-nav { position: sticky; top: 0; z-index: 50; background: white; border-bottom: 1px solid var(--hairline); }
.admin-nav-inner { display: flex; align-items: center; gap: 24px; width: min(1280px, 100%); height: 56px; margin: 0 auto; padding: 0 26px; }
.top-links { display: flex; gap: 4px; }
.top-links a { display: inline-flex; align-items: center; min-height: 34px; padding: 0 13px; border-radius: var(--radius); color: var(--muted); font-weight: 600; font-size: 14px; }
.top-links a:hover { color: var(--ink); background: var(--bg); }
.top-links a.active { color: var(--ink); background: var(--soft); }
.nav-right { display: flex; align-items: center; gap: 14px; margin-left: auto; }
.admin-chip { display: inline-flex; align-items: center; gap: 8px; }
.avatar { display: grid; place-items: center; width: 30px; height: 30px; color: var(--muted); background: var(--soft); border-radius: 50%; font-weight: 700; font-size: 13px; }
.admin-chip strong { font-size: 13px; }
.text-button { padding: 0; color: var(--faint); background: none; border: 0; font-size: 12px; }
.text-button:hover { color: var(--ink); }
.admin-content { width: min(1280px, 100%); margin: 0 auto; padding: 22px 26px 50px; }
.page-title { margin-bottom: 16px; }
.page-title h1 { margin: 0; font-size: 20px; }
.welcome-row, .page-intro { display: flex; align-items: end; justify-content: space-between; gap: 20px; margin-bottom: 18px; }
.welcome-row h2 { margin: 0; font-size: 20px; }
.welcome-row p, .page-intro p { margin: 3px 0 0; color: var(--muted); }
.page-intro h2 { font-size: 22px; }
.record-count { color: var(--muted); font-size: 12px; white-space: nowrap; }
.stats-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 12px; margin-bottom: 12px; }
.stat-card { min-height: 100px; padding: 16px; background: white; border: 1px solid var(--hairline); border-radius: var(--radius); }
.stat-card > span { color: var(--muted); font-size: 12px; }
.stat-card strong { display: block; margin: 6px 0 2px; font-size: 28px; line-height: 1.1; }
.stat-card p { margin: 0; color: var(--faint); font-size: 11px; }
.stat-card.dark { border-color: var(--ink); }
.panel { background: white; border: 1px solid var(--hairline); border-radius: var(--radius); }
.dashboard-grid { display: grid; grid-template-columns: minmax(0, 1.65fr) minmax(260px, .75fr); gap: 12px; margin-bottom: 12px; }
.chart-panel, .quick-panel { min-height: 260px; padding: 18px; }
.panel-head { display: flex; align-items: start; justify-content: space-between; gap: 16px; margin-bottom: 14px; }
.panel-head h3 { margin: 0; font-size: 15px; }
.panel-head > a { color: var(--muted); font-size: 12px; }
.panel-head select { min-height: 32px; padding: 0 10px; border-radius: var(--radius); font-size: 12px; }
.bar-chart { display: flex; align-items: end; gap: 14px; height: 180px; padding-top: 10px; }
.bar-item { display: flex; flex: 1; flex-direction: column; align-items: center; height: 100%; }
.bar-value { height: 18px; color: var(--faint); font-size: 10px; }
.bar-track { position: relative; flex: 1; width: min(40px, 70%); background: var(--soft); border-radius: 4px 4px 0 0; }
.bar-track i { position: absolute; inset: auto 0 0; min-height: 6px; background: var(--ink); border-radius: 4px 4px 0 0; }
.bar-item > span { margin-top: 6px; color: var(--faint); font-size: 10px; }
.quick-panel { display: flex; flex-direction: column; }
.quick-panel > a { display: flex; align-items: center; gap: 11px; padding: 11px 0; border-top: 1px solid var(--hairline-soft); }
.quick-panel > a > span { display: grid; place-items: center; width: 34px; height: 34px; background: var(--soft); border-radius: var(--radius); }
.quick-panel > a > div { flex: 1; }
.quick-panel b, .quick-panel small { display: block; }
.quick-panel small { color: var(--faint); font-size: 11px; }
.table-panel { overflow: hidden; }
.table-panel > .panel-head { padding: 16px 18px 0; }
.table-wrap { width: 100%; overflow-x: auto; }
table { width: 100%; border-collapse: collapse; }
th, td { padding: 11px 14px; border-bottom: 1px solid var(--hairline-soft); text-align: left; vertical-align: middle; }
th { color: var(--faint); font-size: 11px; font-weight: 600; white-space: nowrap; }
td { font-size: 13px; }
tbody tr:last-child td { border-bottom: 0; }
tbody tr:hover { background: var(--bg); }
tbody tr.row-active, tbody tr.row-active:hover { background: var(--soft); box-shadow: inset 2px 0 0 var(--ink); }
td strong, td small, td code { display: block; }
td small { margin-top: 2px; color: var(--faint); font-size: 11px; }
td code { margin-bottom: 3px; color: var(--faint); font-size: 10px; }
.table-link { font-weight: 600; color: var(--muted); }
.table-link:hover { color: var(--ink); }
.empty-cell { padding: 36px; color: var(--faint); text-align: center; }
.empty-cell strong, .empty-cell small { display: block; }
.status { display: inline-flex; align-items: center; gap: 5px; padding: 3px 9px; border: 1px solid var(--hairline); border-radius: 999px; font-size: 11px; white-space: nowrap; }
.status::before { width: 6px; height: 6px; border-radius: 50%; content: ""; }
.status-warning { color: var(--warning); }
.status-warning::before { background: #d6981c; }
.status-success { color: var(--success); }
.status-success::before { background: #29a46b; }
.status-danger { color: var(--danger); }
.status-danger::before { background: #d14739; }

/* 筛选与列表 */
.filter-tabs { display: flex; gap: 4px; margin-bottom: 12px; padding: 4px; width: fit-content; background: white; border: 1px solid var(--hairline); border-radius: var(--radius); }
.filter-tabs a { display: flex; align-items: center; gap: 6px; min-height: 30px; padding: 0 12px; border-radius: 5px; color: var(--muted); font-size: 13px; }
.filter-tabs a.active { color: white; background: var(--ink); }
.filter-tabs span { display: grid; place-items: center; min-width: 18px; height: 18px; padding: 0 4px; background: var(--soft); border-radius: 999px; color: var(--ink); font-size: 10px; }
.filter-tabs a.active span { background: rgba(255,255,255,.2); color: white; }
.filter-bar { display: flex; align-items: end; gap: 8px; margin-bottom: 12px; padding: 12px; background: white; border: 1px solid var(--hairline); border-radius: var(--radius); }
.filter-bar label { display: grid; gap: 4px; }
.filter-bar label > span { color: var(--faint); font-size: 11px; }
.filter-bar input, .filter-bar select { min-height: 36px; padding: 0 10px; font-size: 13px; }
.search-field { position: relative; flex: 1; }
.search-field .icon { position: absolute; left: 10px; bottom: 9px; width: 15px; height: 15px; color: var(--faint); }
.search-field input { padding-left: 32px; }
.submissions-table td:first-child { min-width: 160px; }
.submissions-table td:nth-child(2) { min-width: 200px; }
.score-text { font-size: 14px; }
.pagination { display: flex; justify-content: center; gap: 5px; margin-top: 16px; }
.pagination a { display: grid; place-items: center; min-width: 32px; height: 32px; padding: 0 6px; background: white; border: 1px solid var(--hairline); border-radius: var(--radius); font-size: 13px; }
.pagination a.active { color: white; background: var(--ink); border-color: var(--ink); }

/* 审核详情 */
.back-row { display: inline-block; margin-bottom: 14px; color: var(--muted); }
.back-row:hover { color: var(--ink); }
.review-heading { display: flex; align-items: center; justify-content: space-between; gap: 16px; margin-bottom: 16px; }
.review-heading h2 { margin: 0; font-size: 20px; }
.review-heading > div > p:last-child { margin: 4px 0 0; color: var(--muted); font-size: 13px; }
.review-layout { display: grid; grid-template-columns: minmax(0, 1.6fr) minmax(280px, .7fr); gap: 12px; }
.review-primary { display: grid; gap: 12px; }
.detail-panel { padding: 18px; }
.big-score { display: flex; align-items: center; gap: 10px; }
.big-score span { color: var(--faint); font-size: 11px; }
.big-score strong { font-size: 22px; }
.item-lockup { display: flex; align-items: center; gap: 14px; padding: 14px; background: var(--bg); border: 1px solid var(--hairline-soft); border-radius: var(--radius); }
.item-lockup > span { display: grid; place-items: center; width: 44px; height: 44px; flex: 0 0 auto; color: white; background: var(--ink); border-radius: var(--radius); font-size: 16px; font-weight: 700; }
.item-lockup small { color: var(--faint); }
.item-lockup h4 { margin: 1px 0; font-size: 15px; }
.item-lockup p { margin: 0; color: var(--muted); font-size: 12px; }
.detail-list.compact { margin-top: 12px; }
.proof-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 10px; }
.proof-card { overflow: hidden; border: 1px solid var(--hairline); border-radius: var(--radius); }
.proof-card img, .pdf-preview { width: 100%; height: 150px; object-fit: cover; background: var(--soft); }
.pdf-preview { display: grid; place-items: center; color: var(--faint); }
.pdf-preview span { position: absolute; font-size: 11px; font-weight: 700; }
.pdf-preview .icon { width: 40px; height: 40px; }
.proof-card > div:last-child { padding: 10px 12px; }
.proof-card b, .proof-card small { display: block; overflow: hidden; white-space: nowrap; text-overflow: ellipsis; }
.proof-card small { margin-top: 2px; color: var(--faint); font-size: 11px; }
.review-aside { display: grid; align-content: start; gap: 12px; }
.student-panel, .decision-panel { padding: 18px; }
.student-panel { text-align: center; }
.student-avatar { display: grid; place-items: center; width: 54px; height: 54px; margin: 10px auto 8px; color: white; background: var(--ink); border-radius: 50%; font-size: 20px; font-weight: 700; }
.student-panel h3 { margin: 0; font-size: 16px; }
.student-panel > p:not(.eyebrow) { margin: 2px 0 14px; color: var(--muted); font-size: 13px; }
.student-panel dl { margin: 0; text-align: left; }
.student-panel dl div { display: flex; justify-content: space-between; gap: 12px; padding: 9px 0; border-top: 1px solid var(--hairline-soft); }
.student-panel dt { color: var(--faint); }
.student-panel dd { margin: 0; font-weight: 600; text-align: right; }
.decision-panel h3 { margin: 0 0 12px; font-size: 15px; }
.decision-panel .field textarea { background: white; }
.decision-actions { display: grid; gap: 8px; margin-top: 10px; }
.danger-outline { color: var(--danger); }
.review-history { margin: 12px 0 0; color: var(--faint); font-size: 11px; text-align: center; }

/* 规则管理 */
.rule-notice { display: flex; align-items: start; gap: 11px; margin-bottom: 12px; padding: 12px 14px; background: var(--soft); border-radius: var(--radius); }
.rule-notice > span { display: grid; place-items: center; width: 22px; height: 22px; flex: 0 0 auto; color: white; background: var(--ink); border-radius: 50%; font-weight: 700; font-size: 12px; }
.rule-notice strong { font-size: 13px; }
.rule-notice p { margin: 2px 0 0; color: var(--muted); font-size: 12px; }
.rules-layout { display: grid; grid-template-columns: minmax(0, 1.7fr) minmax(270px, .65fr); gap: 12px; }
.rules-main { display: grid; gap: 12px; }
.form-panel { padding: 18px; margin-bottom: 12px; }
.rule-form { display: grid; grid-template-columns: repeat(3, 1fr); gap: 12px; }
.rule-form .field-full { grid-column: span 2; }
.form-submit { display: flex; align-items: end; }
.form-submit .btn { width: 100%; }
.toggle { display: inline-flex; align-items: center; gap: 6px; padding: 4px 8px 4px 4px; border: 1px solid var(--hairline); border-radius: 999px; background: white; color: var(--muted); font-size: 10px; }
.toggle i { position: relative; width: 22px; height: 13px; background: #ccc; border-radius: 999px; }
.toggle i::after { position: absolute; top: 2px; left: 2px; width: 9px; height: 9px; background: white; border-radius: 50%; content: ""; transition: left .2s; }
.toggle.on { color: var(--ink); }
.toggle.on i { background: var(--ink); }
.toggle.on i::after { left: 11px; }
.rules-aside { display: grid; align-content: start; gap: 12px; }
.category-panel, .category-create { padding: 16px; }
.category-list { display: grid; gap: 6px; }
.category-item { display: flex; align-items: center; gap: 9px; padding: 9px 10px; border: 1px solid var(--hairline-soft); border-radius: var(--radius); }
.category-item.disabled { opacity: .45; }
.category-item > span { display: grid; place-items: center; width: 30px; height: 30px; flex: 0 0 auto; color: white; background: var(--ink); border-radius: var(--radius); font-size: 11px; font-weight: 700; }
.category-item > div { min-width: 0; flex: 1; }
.category-item b, .category-item small { display: block; overflow: hidden; white-space: nowrap; text-overflow: ellipsis; }
.category-item small { color: var(--faint); font-size: 11px; }
.category-item button { padding: 0; color: var(--faint); background: none; border: 0; font-size: 11px; }
.category-item button:hover { color: var(--ink); }
.category-create h3 { margin: 0 0 12px; font-size: 15px; }
.category-create form { display: grid; gap: 11px; }

/* 导出 */
.export-layout { display: grid; grid-template-columns: minmax(340px, .9fr) minmax(0, 1.1fr); gap: 12px; margin-bottom: 12px; }
.export-panel, .column-preview { padding: 18px; }
.export-form { display: grid; gap: 13px; }
.export-form fieldset { display: grid; gap: 6px; margin: 0; padding: 0; border: 0; }
.export-form legend { margin-bottom: 6px; color: var(--muted); font-size: 12px; }
.radio-card { display: flex; align-items: center; gap: 11px; padding: 11px 12px; border: 1px solid var(--hairline); border-radius: var(--radius); background: white; cursor: pointer; }
.radio-card:has(input:checked) { border-color: var(--ink); box-shadow: 0 0 0 1px var(--ink); }
.radio-card input { width: 15px; height: 15px; accent-color: var(--ink); }
.radio-card span { flex: 1; }
.radio-card b, .radio-card small { display: block; }
.radio-card small { color: var(--faint); font-size: 11px; }
.radio-card > i { padding: 2px 7px; color: white; background: var(--ink); border-radius: 999px; font-size: 10px; font-style: normal; font-weight: 600; }
.export-tip { padding: 10px 12px; background: var(--bg); border: 1px solid var(--hairline-soft); border-radius: var(--radius); color: var(--muted); font-size: 12px; }
.column-preview > p { margin: 14px 0 0; color: var(--muted); font-size: 12px; }
.header-chips { display: grid; grid-template-columns: 1fr 1fr; gap: 8px; }
.header-chips span { padding: 11px 12px; background: var(--bg); border: 1px solid var(--hairline-soft); border-radius: var(--radius); }
.header-chips b, .header-chips small { display: block; }
.header-chips small { margin-top: 2px; color: var(--faint); font-size: 11px; }
.export-history { margin-bottom: 18px; }
.month-summary { padding: 18px; }
.month-summary > div { display: grid; grid-template-columns: repeat(4, 1fr); gap: 8px; }
.month-summary article { padding: 14px; background: var(--bg); border-radius: var(--radius); }
.month-summary article > span { color: var(--faint); font-size: 11px; }
.month-summary strong { display: block; margin: 4px 0 2px; font-size: 20px; }
.month-summary strong small { margin-left: 2px; font-size: 11px; }
.month-summary p { margin: 0; color: var(--faint); font-size: 11px; }
.sidebar-backdrop { display: none; }
@media (max-width: 1100px) {
  .stats-grid { grid-template-columns: 1fr 1fr; }
  .rules-layout, .review-layout { grid-template-columns: 1fr; }
  .rules-aside { grid-template-columns: 1fr 1fr; }
  .review-aside { grid-template-columns: 1fr 1fr; }
}

@media (max-width: 900px) {
  .admin-nav-inner { gap: 14px; padding: 0 14px; overflow-x: auto; }
  .top-links { flex: 1; }
  .nav-right .admin-chip { display: none; }
  .export-layout { grid-template-columns: 1fr; }
}

@media (max-width: 720px) {
  .nav-pill { gap: 14px; padding: 0 12px; }
  .nav-links { gap: 14px; }
  .simple-main, .track-main { width: calc(100% - 28px); padding-top: 28px; }
  .form-card { padding: 16px; }
  .form-grid, .file-list { grid-template-columns: 1fr; }
  .score-preview { align-items: start; flex-direction: column; }
  .score-preview p { text-align: left; }
  .submit-row { align-items: stretch; flex-direction: column; }
  .submit-row .btn { width: 100%; }
  .track-form { grid-template-columns: 1fr; }
  .result-score { align-items: start; flex-direction: column; }
  .result-score > div { border: 0; padding: 0; }
  .timeline { align-items: start; flex-direction: column; gap: 10px; }
  .timeline > i { width: 1px; height: 16px; flex: none; margin: 0 0 0 13px; }
  .receipt-box { align-items: stretch; flex-direction: column; text-align: center; }
  .success-actions { flex-direction: column; }
  .login-box { padding: 26px 20px; }
  .admin-content { padding: 16px 12px 40px; }
  .welcome-row, .page-intro { align-items: start; flex-direction: column; }
  .filter-tabs { max-width: 100%; overflow-x: auto; }
  .filter-bar { align-items: stretch; flex-direction: column; }
  .review-heading { align-items: start; flex-direction: column; }
  .review-aside, .rules-aside { grid-template-columns: 1fr; }
  .proof-grid { grid-template-columns: 1fr; }
  .rule-form { grid-template-columns: 1fr; }
  .rule-form .field-full { grid-column: auto; }
  .header-chips { grid-template-columns: 1fr; }
  .month-summary > div { grid-template-columns: 1fr 1fr; }
}

@media (max-width: 440px) {
  .stats-grid { grid-template-columns: 1fr; }
  .detail-list { grid-template-columns: 1fr; }
  .detail-list > div:nth-child(odd) { padding-right: 0; }
  .month-summary > div { grid-template-columns: 1fr; }
}