:root {
  --ink: #173d2b;
  --muted: #677369;
  --bg: #f7f4ea;
  --card: #fff;
  --line: #d8ddcf;
  --blue: #4e8166;
  --mint: #85a96f;
  --gold: #e49b58;
  --lime: #dce9c8;
  --coral: #e98764;
  --radius: 26px;
  --font-cn: "PingFang SC", "Microsoft YaHei", sans-serif;
  --font-en: Inter, Arial, sans-serif;
  --size-title: 30px;
  --size-subtitle: 17px;
  --size-body: 14px;
  --size-note: 11px;
}

* { box-sizing: border-box; }
[hidden] { display: none !important; }
html { background: #e8e6dc; }
body { margin: 0; color: var(--ink); background: var(--bg); font: 400 var(--size-body)/1.6 var(--font-cn); }
button, input { font: inherit; }
button { color: inherit; }
.app-shell { width: min(100%, 560px); min-height: 100svh; margin: auto; padding: max(22px, env(safe-area-inset-top)) 24px calc(34px + env(safe-area-inset-bottom)); background: var(--bg); overflow: hidden; }
.brand-bar { min-height: 78px; display: flex; flex-wrap: wrap; align-items: center; justify-content: space-between; }
.brand { color: var(--ink); text-decoration: none; display: flex; align-items: center; gap: 10px; font: 800 var(--size-subtitle)/1 var(--font-en); letter-spacing: -.02em; }
.brand img { width: 35px; height: 35px; border-radius: 50%; object-fit: cover; box-shadow: 0 0 0 4px rgba(23,61,43,.08); }
.brand-mark { width: 26px; height: 26px; position: relative; display: inline-block; }
.brand-mark i { position: absolute; width: 10px; height: 10px; border-radius: 2px 7px 2px 7px; background: currentColor; }
.brand-mark i:nth-child(1) { left: 8px; top: 0; transform: rotate(45deg); }
.brand-mark i:nth-child(2) { right: 0; top: 8px; transform: rotate(135deg); }
.brand-mark i:nth-child(3) { left: 8px; bottom: 0; transform: rotate(225deg); }
.brand-mark i:nth-child(4) { left: 0; top: 8px; transform: rotate(315deg); }
.test-date, .eyebrow, .micro, .field-label, .card-heading, .back-btn { letter-spacing: .08em; }
.test-date { color: #596b5d; font: 700 var(--size-note)/1 var(--font-cn); white-space: nowrap; }
.admin-nav { flex-basis: 100%; display: flex; justify-content: flex-end; gap: 8px; margin: -8px 0 12px; }
.admin-nav button { min-height: 32px; padding: 0 12px; border: 1px solid var(--line); border-radius: 99px; background: rgba(255,255,255,.65); color: var(--muted); font-size: var(--size-note); cursor: pointer; }
.page { display: none; animation: enter .38s ease both; }
.page.active { display: block; }
@keyframes enter { from { opacity: 0; transform: translateY(8px); } }
.auth-page { padding-top: 42px; }
.auth-mark { width: 64px; height: 64px; margin-bottom: 28px; padding: 5px; border-radius: 50%; background: rgba(23,61,43,.08); }
.auth-mark img { width: 100%; height: 100%; border-radius: 50%; object-fit: cover; }
.auth-page .display-title, .dashboard-page .display-title { margin-bottom: 8px; }
.auth-intro, .setup-note { color: var(--muted); font-size: var(--size-body); }
.setup-note { margin: 16px 2px; line-height: 1.6; }
.dashboard-page { padding-top: 28px; }
.dashboard-actions .primary-btn { margin: 20px 0 18px; }
.search-box { display: grid; grid-template-columns: auto 1fr; align-items: center; gap: 10px; min-height: 48px; padding: 0 16px; border: 1px solid var(--line); border-radius: 16px; background: rgba(255,255,255,.76); color: var(--muted); font-size: var(--size-note); }
.search-box input { min-width: 0; height: 46px; padding: 0; border: 0; outline: 0; background: transparent; color: var(--ink); }
.record-list { display: grid; gap: 10px; margin-top: 16px; }
.record-card { width: 100%; min-height: 78px; display: grid; grid-template-columns: 1fr auto 16px; align-items: center; gap: 12px; padding: 13px 15px; border: 0; border-radius: 18px; background: rgba(255,255,255,.84); text-align: left; box-shadow: 0 7px 22px rgba(23,61,43,.05); cursor: pointer; }
.record-card > span:first-child, .record-score { display: grid; gap: 5px; }
.record-card strong { font-size: var(--size-body); }
.record-card small { color: var(--muted); font-size: var(--size-note); font-weight: 400; }
.record-score { justify-items: end; }
.record-score b { font: 800 22px/1 var(--font-en); }
.record-card i { color: #8b958c; font-size: 24px; font-style: normal; }
.empty-state { padding: 42px 12px; text-align: center; color: var(--muted); }
.hero { position: relative; height: 430px; margin: 14px -8px 0; border-radius: 44px 44px 120px 44px; overflow: hidden; color: #fff; box-shadow: 0 22px 60px rgba(23,61,43,.18); }
.hero img { width: 100%; height: 100%; object-fit: cover; object-position: 54% 55%; }
.hero img { filter: saturate(.6) sepia(.12) hue-rotate(75deg); }
.hero-shade { position: absolute; inset: 0; background: linear-gradient(150deg, rgba(23,61,43,.08), rgba(23,61,43,.22) 42%, rgba(10,40,26,.94)); }
.hero h1 { position: absolute; left: 28px; bottom: 66px; margin: 0; font: 700 var(--size-title)/1.2 var(--font-cn); letter-spacing: -.04em; }
.hero-badge { position: absolute; left: 28px; bottom: 26px; padding: 7px 12px; border: 1px solid rgba(255,255,255,.45); border-radius: 99px; font-size: var(--size-note); }
#profile-form { margin-top: 28px; }
.eyebrow { margin: 0; color: var(--ink); font: 800 var(--size-note)/1.4 var(--font-en); }
.micro { margin: 0; font: 400 var(--size-note)/1.4 var(--font-en); color: var(--muted); }
.field-label { display: flex; justify-content: space-between; width: 100%; margin: 26px 0 10px; padding: 0; border: 0; font: 500 var(--size-note)/1.4 var(--font-cn); color: #394154; }
.field-label em { font-family: var(--font-en); font-style: normal; font-size: var(--size-note); color: #7c8595; }
fieldset { border: 0; padding: 0; margin: 0; }
.text-input { width: 100%; height: 64px; padding: 0 20px; border: 1px solid var(--line); border-radius: 20px; background: rgba(255,255,255,.76); color: var(--ink); outline: none; box-shadow: 0 6px 20px rgba(23,61,43,.04); }
.text-input:focus, .metric-input:focus { border-color: var(--ink); box-shadow: 0 0 0 3px rgba(49,87,207,.1); }
.text-input::placeholder { color: #a7afbb; }
.age-input-wrap { position: relative; }
.age-input-wrap .text-input { padding-right: 54px; }
.age-input-wrap > span { position: absolute; right: 20px; top: 50%; transform: translateY(-50%); color: var(--muted); font-size: var(--size-body); }
.choice-grid { display: grid; gap: 10px; }
.choice-grid.two { grid-template-columns: repeat(2,1fr); }
.choice-grid.four { grid-template-columns: repeat(4,1fr); }
.choice-grid.age-groups { grid-template-columns: repeat(5,1fr); }
.choice { position: relative; }
.choice input { position: absolute; opacity: 0; }
.choice span { min-height: 58px; display: grid; place-items: center; border: 1px solid var(--line); border-radius: 99px; background: rgba(255,255,255,.76); color: #536057; transition: .2s; }
.choice input:checked + span { color: var(--ink); background: var(--lime); border-color: var(--ink); box-shadow: inset 0 0 0 1px var(--ink); }
.field-error { min-height: 16px; margin: 6px 2px 0; color: #b23a48; font-size: var(--size-note); }
.minor-notice { margin: 4px 2px 0; padding: 10px 12px; border-radius: 12px; color: #805e18; background: #fff1d5; font-size: var(--size-note); line-height: 1.5; }
.primary-btn, .secondary-btn { width: 100%; min-height: 64px; border-radius: 14px; font-weight: 700; cursor: pointer; }
.primary-btn { margin-top: 24px; border: 0; color: #fff; background: var(--ink); display: flex; justify-content: center; align-items: center; gap: 12px; box-shadow: 0 12px 30px rgba(23,61,43,.17); }
.primary-btn span { font-size: 20px; }
.primary-btn:active { transform: translateY(1px); }
.progress { display: grid; grid-template-columns: repeat(3,1fr); gap: 8px; margin: 28px 0 24px; }
.progress i { height: 7px; border-radius: 7px; background: #dfe2d7; }
.progress i.done, .progress i.active { background: var(--ink); }
.back-btn { border: 0; background: none; padding: 0; margin: 4px 0 28px; color: var(--muted); font: 400 var(--size-note)/1.4 var(--font-cn); cursor: pointer; }
.display-title { margin: 14px 0 30px; font: 700 var(--size-title)/1.2 var(--font-cn); letter-spacing: -.04em; }
.display-title.single-line { font-size: var(--size-title); white-space: nowrap; }
.metric-list { display: grid; gap: 13px; }
.metric-card { display: grid; grid-template-columns: 34px 1fr minmax(106px, 128px); align-items: center; gap: 12px; min-height: 100px; padding: 14px 14px 14px 16px; border: 0; border-radius: 24px; background: rgba(255,255,255,.8); box-shadow: 0 7px 22px rgba(23,61,43,.06); }
.metric-index { font: 500 var(--size-note)/1 var(--font-en); color: #727a89; }
.metric-name strong { display: block; font-size: var(--size-subtitle); }
.metric-name small { display: block; margin-top: 5px; font: 400 var(--size-note)/1.35 var(--font-en); color: var(--muted); letter-spacing: .08em; }
.value-wrap { height: 54px; display: grid; grid-template-columns: minmax(0,1fr) 32px; align-items: center; border: 0; border-radius: 99px; background: #edf1e6; overflow: hidden; }
.metric-input { width: 100%; min-width: 0; height: 100%; border: 0; padding: 0 6px 0 8px; background: transparent; text-align: right; color: var(--ink); font: 700 22px/1 var(--font-en); outline: none; }
.metric-input::placeholder { color: rgba(82,94,106,.42); font-size: var(--size-note); font-weight: 600; }
.unit { width: 32px; padding: 0 8px 0 2px; text-align: left; font: 400 var(--size-note)/1 var(--font-cn); color: #657080; }
.form-notice { margin: 10px 2px 0; color: #b23a48; font-size: var(--size-note); }
.report-page { margin: 0 -24px; padding: 0 0 10px; background: var(--bg); }
.age-result { position: relative; margin: 18px 18px 0; padding: 28px 24px 34px; text-align: center; color: var(--ink); border-radius: 34px; background: var(--lime); }
.age-result > p:first-child { margin: 0 0 3px; color: #607261; font-size: var(--size-body); }
.age-result > div { line-height: 1; }
.age-result strong { font: 800 clamp(92px, 26vw, 132px)/1 var(--font-en); letter-spacing: -.1em; }
.age-result div span { margin-left: 13px; font-size: var(--size-subtitle); }
.delta-pill { display: inline-block; margin: 12px 0 25px; padding: 8px 13px; border: 1px solid rgba(23,61,43,.24); border-radius: 99px; color: var(--ink); font-size: var(--size-body); }
.age-result h1 { max-width: 430px; margin: auto; font: 700 var(--size-subtitle)/1.45 var(--font-cn); letter-spacing: -.01em; }
.report-card { margin: 16px 18px; padding: 22px; border: 0; border-radius: var(--radius); background: rgba(255,255,255,.86); box-shadow: 0 9px 26px rgba(23,61,43,.06); }
.card-heading { display: flex; justify-content: space-between; align-items: center; font: 700 var(--size-subtitle)/1.4 var(--font-cn); }
.card-heading-end { justify-content: flex-end; }
.card-heading em { color: var(--blue); font: 700 var(--size-note)/1.4 var(--font-en); font-style: normal; }
#radar { display: block; width: 100%; height: auto; margin: 5px auto 0; overflow: visible; }
.radar-grid { fill: none; stroke: #d9e0e9; stroke-width: 1; }
.radar-axis { stroke: #e2e7ee; stroke-width: 1; }
.radar-area { fill: rgba(78,129,102,.2); stroke: var(--blue); stroke-width: 2.2; }
.radar-dot { stroke: #fff; stroke-width: 2; }
.radar-dot.excellent { fill: #4f9b68; }
.radar-dot.normal { fill: #e49a45; }
.radar-dot.attention { fill: #d96f8c; }
.radar-label { fill: var(--ink); font: 700 var(--size-note) var(--font-cn); text-anchor: middle; }
.radar-score { fill: #687386; font: 400 var(--size-note) var(--font-en); text-anchor: middle; }
.legend { padding-top: 16px; border-top: 1px dashed var(--line); display: flex; flex-wrap: wrap; gap: 14px; color: #6b7380; font-size: var(--size-note); }
.legend i { width: 8px; height: 8px; display: inline-block; margin-right: 5px; border-radius: 50%; }
.excellent { background: #4f9b68; }.normal { background: #e49a45; }.attention { background: #d96f8c; }
.function-card { position: relative; overflow: hidden; }
.function-card::after { content: ''; position: absolute; right: -42px; top: -42px; width: 124px; height: 124px; border-radius: 50%; background: rgba(220,233,200,.55); }
.function-card .card-heading-end { position: absolute; z-index: 1; top: 22px; right: 24px; }
.sit-stand-result { position: relative; z-index: 1; display: flex; align-items: baseline; gap: 7px; margin: 18px 0 2px; }
.sit-stand-result strong { font: 800 64px/1 var(--font-en); letter-spacing: -.06em; }
.sit-stand-result span { color: var(--muted); font-size: var(--size-body); }
.function-card h2 { margin: 0 0 8px; padding-right: 66px; font-size: var(--size-subtitle); }
.function-card > p { margin: 0; color: #626c7c; font-size: var(--size-body); line-height: 1.7; }
.function-card .srt-level { margin-bottom: 7px; color: var(--ink); font-weight: 750; }
.function-card .function-note { margin-top: 8px; color: #97643f; }
.insight-card h2 { margin: 14px 0 8px; font-size: var(--size-subtitle); line-height: 1.45; letter-spacing: -.01em; }
.insight-card > p:not(.eyebrow) { color: #626c7c; line-height: 1.7; font-size: var(--size-body); }
.summary-list { margin-top: 20px; }
.summary-row { display: grid; grid-template-columns: 1fr 1.6fr 32px; align-items: center; gap: 10px; padding: 10px 0; border-top: 1px solid #edf0f4; font-size: var(--size-body); }
.summary-bar { height: 5px; background: #edf0f4; border-radius: 5px; overflow: hidden; }
.summary-bar i { display: block; height: 100%; background: var(--blue); border-radius: inherit; }
.summary-row b { text-align: right; font: 700 var(--size-body)/1 var(--font-en); }
.leaderboard-note { margin: 9px 0 17px; color: var(--muted); font-size: var(--size-note); }
.leader-tabs { display: grid; grid-template-columns: repeat(3,1fr); gap: 6px; margin-top: 16px; padding: 4px; border-radius: 16px; background: #edf1e6; }
.leader-tabs button { min-height: 38px; padding: 0 4px; border: 0; border-radius: 12px; color: #647067; background: transparent; font-size: var(--size-body); cursor: pointer; }
.leader-tabs button[aria-selected="true"] { color: #fff; background: var(--ink); box-shadow: 0 4px 12px rgba(23,61,43,.16); }
.leaderboard { display: grid; gap: 8px; margin-top: 16px; }
.leader-row { display: grid; grid-template-columns: 30px 1fr 48px; align-items: center; min-height: 48px; padding: 0 13px; border-radius: 15px; background: #f5f5ee; }
.leader-row.current { background: var(--lime); box-shadow: inset 0 0 0 1px rgba(23,61,43,.15); }
.leader-divider { display: flex; align-items: center; gap: 10px; margin: 7px 0 2px; color: #879087; font: 700 var(--size-note)/1 var(--font-en); letter-spacing: .12em; }
.leader-divider::before, .leader-divider::after { content: ''; height: 1px; flex: 1; background: var(--line); }
.leader-rank { font: 700 var(--size-body)/1 var(--font-en); color: var(--coral); }
.leader-name { font-size: var(--size-body); font-weight: 650; white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
.leader-score { text-align: right; font: 800 var(--size-body)/1 var(--font-en); }
.leaderboard-limit-note { margin: 13px 0 0; color: var(--muted); text-align: center; font-size: var(--size-note); line-height: 1.5; }
.score-details summary { display: flex; align-items: center; justify-content: space-between; cursor: pointer; font-weight: 750; list-style: none; }
.score-details summary::-webkit-details-marker { display: none; }
.score-details summary i { width: 30px; height: 30px; display: grid; place-items: center; border-radius: 50%; background: var(--lime); font-style: normal; font-size: 20px; transition: .2s; }
.score-details[open] summary i { transform: rotate(45deg); }
.score-explain { padding-top: 14px; color: #58665b; font-size: var(--size-body); line-height: 1.7; }
.score-explain h2 { margin: 20px 0 8px; color: var(--ink); font-size: var(--size-subtitle); }
.score-explain h2:first-child { margin-top: 0; }
.score-explain a { color: var(--blue); font-weight: 700; }
.score-explain ol { padding-left: 18px; }
.score-explain li { margin: 8px 0; }
.formula { padding: 12px; border-radius: 14px; background: #edf1e6; color: var(--ink); font: 400 var(--size-note)/1.6 var(--font-cn); }
.explain-warning { color: #97643f; }
.save-status { margin: 12px 18px; padding: 12px 15px; border-radius: 14px; background: #e7f4ef; color: #25765f; font-size: var(--size-note); }
.save-status.local { background: #fff4dc; color: #805e18; }
.report-actions { margin: 0 18px; }
.secondary-btn { margin-top: 10px; background: transparent; border: 1px solid #bcc7d4; }
.report-share-card > p { color: var(--muted); font-size: var(--size-body); }
.qr-shell { width: min(100%, 280px); margin: 18px auto; padding: 14px; border-radius: 22px; background: #fff; box-shadow: inset 0 0 0 1px var(--line); }
.report-qr svg { display: block; width: 100%; height: auto; }
.report-url { overflow-wrap: anywhere; padding: 10px 12px; border-radius: 12px; background: #f5f5ee; font: 400 var(--size-note)/1.5 var(--font-en); }
.inline-actions { display: grid; grid-template-columns: repeat(2, 1fr); gap: 10px; }
.inline-actions .secondary-btn { min-height: 46px; margin-top: 0; }
.raw-metrics-list { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 1px; margin-top: 16px; overflow: hidden; border: 1px solid var(--line); border-radius: 16px; background: var(--line); }
.raw-metrics-list > div { display: flex; align-items: center; justify-content: space-between; gap: 10px; min-width: 0; padding: 13px 14px; background: #fff; }
.raw-metrics-list span { color: var(--muted); font-size: var(--size-note); }
.raw-metrics-list b { color: var(--ink); font: 700 var(--size-body)/1 var(--font-en); white-space: nowrap; }
.raw-metrics-list small { color: var(--muted); font: 400 var(--size-note)/1 var(--font-cn); }
.disclaimer { margin: 20px 30px 0; color: #8a93a2; text-align: center; font-size: var(--size-note); line-height: 1.5; }
.site-footer { padding: 22px 12px 4px; text-align: center; font-size: 12px; }
.site-footer a { color: #7d877f; text-decoration: none; }
.site-footer a:hover { color: var(--ink); text-decoration: underline; }
.toast { position: fixed; z-index: 10; left: 50%; bottom: 28px; transform: translate(-50%,20px); max-width: calc(100% - 40px); padding: 11px 16px; border-radius: 99px; color: #fff; background: rgba(7,17,38,.92); font-size: var(--size-note); opacity: 0; pointer-events: none; transition: .25s; }
.toast.show { opacity: 1; transform: translate(-50%,0); }
@media (max-width: 410px) {
  .app-shell { padding-left: 18px; padding-right: 18px; }
  .brand { font-size: var(--size-subtitle); }.test-date { font-size: var(--size-note); }
  .hero { height: 370px; }
  .choice-grid.four { grid-template-columns: repeat(2,1fr); }
  .choice-grid.age-groups { grid-template-columns: repeat(3,1fr); }
  .metric-card { grid-template-columns: 24px 1fr minmax(92px,110px); gap: 8px; padding-left: 12px; }
  .metric-name strong { font-size: var(--size-subtitle); }
  .report-page { margin-left: -18px; margin-right: -18px; }
  .raw-metrics-list { grid-template-columns: 1fr; }
}
@media (prefers-reduced-motion: reduce) { * { animation: none !important; transition: none !important; } }