:root {
  color-scheme: light;
  --ink: #15363b;
  --paper: #e8eeeb;
  --white: #f8faf7;
  --citrus: #d8ef78;
  --coral: #c96f61;
  --slate: #43565a;
  --muted: #526568;
  --line: #c8d3cf;
  --shadow: 0 18px 60px rgba(21, 54, 59, .09);
  font-family: ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Microsoft YaHei", "PingFang SC", "Noto Sans SC", sans-serif;
  color: var(--ink);
  background: var(--paper);
  font-synthesis: none;
  text-rendering: optimizeLegibility;
}

* { box-sizing: border-box; }
html { min-width: 320px; scroll-behavior: smooth; }
body { margin: 0; min-width: 320px; background: var(--paper); }
button, a { font: inherit; }
button { color: inherit; }
button:focus-visible, a:focus-visible { outline: 3px solid var(--coral); outline-offset: 3px; }
.site-shell { width: min(100% - 32px, 1080px); margin: 0 auto; }
.site-header { height: 72px; display: flex; align-items: center; justify-content: space-between; border-bottom: 1px solid var(--line); }
.wordmark { display: inline-flex; align-items: center; gap: 10px; color: var(--ink); text-decoration: none; font-size: 14px; font-weight: 750; letter-spacing: .02em; }
.wordmark-mark { width: 20px; height: 20px; border: 2px solid var(--ink); border-radius: 50% 50% 46% 46%; position: relative; }
.wordmark-mark::after { content: ""; position: absolute; width: 5px; height: 5px; background: var(--coral); border-radius: 50%; right: -3px; top: -2px; }
.header-note { color: var(--muted); font-size: 12px; }
main { min-height: calc(100svh - 145px); }
.home-screen, .question-screen, .result-screen, .processing-screen { animation: arrive .28s ease-out both; }
@keyframes arrive { from { opacity: .55; transform: translateY(5px); } to { opacity: 1; transform: translateY(0); } }
.hero { padding: clamp(28px, 6vw, 64px) 0 24px; display: grid; grid-template-columns: minmax(0, 1.1fr) minmax(300px, .9fr); align-items: center; gap: clamp(18px, 4vw, 55px); }
.hero-copy { max-width: 570px; }
.eyebrow { color: var(--coral); font-size: 12px; font-weight: 750; letter-spacing: .08em; margin: 0 0 14px; }
h1, h2, h3, p { margin-top: 0; }
.hero h1 { font-size: clamp(38px, 6vw, 68px); line-height: 1.12; letter-spacing: -.055em; font-weight: 760; margin-bottom: 18px; max-width: 620px; }
.hero h1 span { display: block; }
.hero-lead { color: var(--slate); font-size: 16px; line-height: 1.85; max-width: 470px; margin-bottom: 24px; }
.hero-meta { display: flex; flex-wrap: wrap; gap: 8px; margin: 0 0 24px; }
.meta-chip { border: 1px solid var(--line); border-radius: 999px; padding: 7px 12px; color: var(--slate); font-size: 12px; }
.button-primary, .button-secondary, .button-quiet { border: 0; cursor: pointer; min-height: 52px; border-radius: 12px; padding: 0 20px; font-weight: 720; transition: transform .16s ease, background-color .16s ease; }
.button-primary { background: var(--ink); color: var(--white); box-shadow: 0 8px 18px rgba(21, 54, 59, .15); }
.button-primary:hover { background: #204c50; transform: translateY(-1px); }
.button-primary:disabled { opacity: .4; cursor: not-allowed; transform: none; }
.button-secondary { background: var(--citrus); color: var(--ink); }
.button-secondary:hover { background: #cbe565; transform: translateY(-1px); }
.button-quiet { background: transparent; border: 1px solid var(--line); color: var(--ink); }
.hero-actions { display: flex; align-items: center; gap: 10px; flex-wrap: wrap; }
.hero-art { margin: 0; overflow: hidden; }
.hero-art img { display: block; width: 100%; height: auto; }
.resume-note { background: var(--white); border-left: 3px solid var(--coral); padding: 12px 15px; margin-top: 16px; max-width: 440px; }
.resume-note p { margin: 0 0 10px; font-size: 13px; color: var(--slate); }
.resume-note .button-quiet { min-height: 40px; padding: 0 14px; font-size: 13px; }

.question-screen { max-width: 720px; margin: 0 auto; min-height: min(720px, calc(100svh - 170px)); display: flex; flex-direction: column; padding: 22px 0 30px; }
.question-top { display: flex; justify-content: space-between; align-items: center; gap: 14px; color: var(--muted); font-size: 13px; margin-bottom: 10px; }
.question-top strong { color: var(--ink); font-variant-numeric: tabular-nums; }
.progress-track { height: 5px; background: #d4ded9; border-radius: 9px; overflow: hidden; margin-bottom: clamp(28px, 6vh, 54px); }
.progress-fill { height: 100%; background: var(--coral); border-radius: inherit; transition: width .25s ease; }
.question-title { font-size: clamp(24px, 5vw, 38px); line-height: 1.42; letter-spacing: -.035em; font-weight: 720; margin-bottom: clamp(20px, 4vh, 34px); max-width: 670px; }
.question-title:focus, .result-heading h1:focus, .review-screen h1:focus, .result-error h1:focus { outline: none; }
.answer-list { display: grid; gap: 9px; }
.answer-choice { display: flex; width: 100%; min-height: 54px; align-items: center; gap: 13px; border: 1px solid var(--line); background: rgba(248, 250, 247, .8); text-align: left; border-radius: 11px; padding: 9px 14px; cursor: pointer; transition: border-color .15s ease, background-color .15s ease, transform .15s ease; }
.answer-choice:hover { border-color: var(--ink); transform: translateX(2px); }
.answer-choice[aria-pressed="true"] { border-color: var(--ink); background: var(--white); box-shadow: inset 3px 0 0 var(--citrus); }
.answer-number { display: grid; place-items: center; width: 28px; height: 28px; flex: 0 0 28px; border: 1px solid var(--line); border-radius: 50%; font: 700 13px Georgia, serif; }
.answer-choice[aria-pressed="true"] .answer-number { background: var(--ink); border-color: var(--ink); color: var(--citrus); }
.answer-label { font-size: 15px; flex: 1; }
.answer-hint { color: var(--muted); font-size: 11px; }
.question-actions { margin-top: auto; padding-top: 22px; display: flex; justify-content: space-between; gap: 12px; }
.question-actions .button-quiet { min-width: 88px; }
.question-actions .button-primary { min-width: 132px; }
.question-actions .button-primary span { margin-left: 10px; color: var(--citrus); }

.processing-screen { min-height: 70svh; display: grid; place-content: center; text-align: center; }
.processing-mark { margin: 0 auto 18px; width: 52px; height: 52px; border: 2px solid var(--line); border-top-color: var(--coral); border-radius: 50%; animation: spin .75s linear infinite; }
@keyframes spin { to { transform: rotate(360deg); } }
.processing-screen h1 { font-size: 28px; margin-bottom: 8px; }
.processing-screen p { color: var(--muted); font-size: 14px; }

.result-screen { max-width: 930px; margin: 0 auto; padding: 25px 0 56px; }
.result-heading { display: flex; align-items: center; justify-content: space-between; gap: 16px; margin-bottom: 16px; }
.result-heading h1 { font-size: 24px; margin: 0; letter-spacing: -.03em; }
.result-heading .button-quiet { min-height: 40px; font-size: 12px; padding: 0 13px; }
.primary-hero { display: grid; grid-template-columns: minmax(0, 1.05fr) minmax(280px, .95fr); min-height: 300px; background: var(--ink); color: var(--white); overflow: hidden; border-radius: 18px 18px 4px 18px; box-shadow: var(--shadow); }
.primary-copy { padding: clamp(22px, 4vw, 42px); display: flex; flex-direction: column; align-items: flex-start; justify-content: center; }
.primary-kicker { color: var(--citrus); font-size: 12px; letter-spacing: .06em; margin-bottom: 8px; }
.primary-title { font-size: clamp(38px, 6vw, 62px); line-height: 1.15; letter-spacing: -.055em; margin: 0 0 10px; }
.primary-short { color: #d6e0dc; line-height: 1.6; font-size: 15px; margin: 0; max-width: 400px; }
.bci-line { display: flex; align-items: baseline; gap: 8px; margin: 20px 0; }
.bci-label { color: #bac8c4; font-size: 13px; margin-right: 3px; }
.bci-number { font: 500 40px/.98 Georgia, "Times New Roman", serif; letter-spacing: -.04em; color: var(--white); }
.bci-denom { font-size: 13px; color: #bac8c4; }
.hero-share { min-height: 44px; padding: 0 18px; }
.primary-copy .radar-note { color: #d6e0dc; }
.primary-art { min-height: 300px; background-image: url("./assets/portrait-series.png"); background-repeat: no-repeat; background-size: 500% auto; background-position-x: var(--portrait-position, 0%); background-position-y: 42%; background-color: #cad8cb; }
.result-badges { display: grid; grid-template-columns: 1fr 1fr; gap: 12px; margin: 14px 0 22px; }
.result-badge { padding: 16px 18px; background: rgba(248, 250, 247, .72); border-top: 2px solid var(--citrus); min-height: 94px; }
.result-badge.anxiety { border-top-color: var(--coral); }
.badge-label { color: var(--muted); font-size: 11px; margin-bottom: 7px; }
.badge-title { font-size: 18px; font-weight: 750; margin-bottom: 4px; }
.badge-value { font: 19px Georgia, serif; }
.badge-copy { color: var(--slate); font-size: 12px; line-height: 1.6; margin: 0; }
.result-section { margin-top: 28px; }
.evidence-section { background: rgba(248, 250, 247, .78); padding: 18px 22px; }
.evidence-section h2 { font-size: 18px; margin: 0 0 12px; }
.evidence-list { display: grid; gap: 8px; }
.evidence-row { display: flex; align-items: center; justify-content: space-between; gap: 12px; border-top: 1px solid var(--line); padding-top: 8px; }
.evidence-row p { flex: 1; min-width: 0; font-size: 13px; line-height: 1.5; margin: 0; }
.evidence-row strong { flex: 0 0 auto; color: var(--coral); font-size: 12px; }
.evidence-row .button-quiet { flex: 0 0 auto; min-height: 36px; padding: 0 12px; font-size: 12px; }
.section-title { display: flex; align-items: baseline; justify-content: space-between; gap: 12px; border-bottom: 1px solid var(--line); padding-bottom: 10px; margin-bottom: 14px; }
.section-title h2 { font-size: 19px; letter-spacing: -.02em; margin: 0; }
.section-title span { color: var(--muted); font-size: 11px; }
.interpretation { display: grid; grid-template-columns: .75fr 1.25fr; gap: 24px; }
.interpretation-lead { font-size: 22px; line-height: 1.5; letter-spacing: -.03em; font-weight: 670; }
.interpretation-body p { color: var(--slate); line-height: 1.85; font-size: 14px; margin-bottom: 10px; }
.dimension-extremes { display: grid; grid-template-columns: 1fr 1fr; gap: 12px; margin-top: 13px; }
.extreme-block { background: rgba(248, 250, 247, .6); padding: 13px 14px; }
.extreme-block span { display: block; color: var(--muted); font-size: 11px; margin-bottom: 5px; }
.extreme-block strong { display: block; font-size: 13px; line-height: 1.55; }
.radar-layout { display: grid; grid-template-columns: minmax(270px, .9fr) minmax(0, 1.1fr); align-items: center; gap: 20px; }
.radar-wrap { background: var(--white); padding: 10px; border: 1px solid var(--line); }
.radar-svg { display: block; width: 100%; height: auto; overflow: visible; }
.radar-grid { fill: none; stroke: #dbe3df; stroke-width: 1; }
.radar-axis { stroke: #d4deda; stroke-width: 1; }
.radar-data { fill: rgba(201, 111, 97, .22); stroke: var(--coral); stroke-width: 2.5; stroke-linejoin: round; }
.radar-dot { fill: var(--ink); stroke: var(--citrus); stroke-width: 2; }
.radar-label { fill: var(--slate); font: 11px "Microsoft YaHei", "PingFang SC", sans-serif; }
.radar-legend { display: grid; grid-template-columns: 1fr 1fr; gap: 8px; }
.dimension-item { background: rgba(248, 250, 247, .74); padding: 11px 12px; min-width: 0; }
.dimension-item-head { display: flex; justify-content: space-between; gap: 8px; align-items: baseline; }
.dimension-item-head strong { font-size: 12px; }
.dimension-score { font: 700 19px Georgia, serif; font-variant-numeric: tabular-nums; }
.dimension-band { color: var(--muted); font-size: 10px; margin: 2px 0 6px; }
.dimension-track { height: 4px; border-radius: 4px; background: #dbe3df; overflow: hidden; margin-bottom: 7px; }
.dimension-fill { height: 100%; background: var(--ink); border-radius: inherit; }
.dimension-item[data-axis="G"] .dimension-fill, .dimension-item[data-axis="D"] .dimension-fill { background: var(--coral); }
.dimension-copy { color: var(--slate); font-size: 11px; line-height: 1.55; margin: 0; }
.radar-note { font-size: 11px; line-height: 1.7; color: var(--muted); margin: 11px 0 0; }
.safety-panel { border: 1px solid #ba695b; background: #f4e5df; padding: clamp(18px, 4vw, 28px); margin-top: 24px; }
.safety-panel h2 { color: #873f34; font-size: clamp(20px, 4vw, 27px); line-height: 1.3; margin: 0 0 12px; }
.safety-panel p { color: #583d3a; line-height: 1.8; font-size: 14px; margin-bottom: 10px; max-width: 760px; }
.safety-panel p:last-child { font-weight: 750; margin-bottom: 0; }
.scale-line { display: flex; align-items: center; gap: 8px; flex-wrap: wrap; padding: 14px 16px; background: var(--ink); color: var(--white); font-size: 12px; line-height: 1.6; }
.scale-line span { color: var(--citrus); }
.overall-score { margin: 10px 0 0; color: var(--slate); font-size: 13px; font-variant-numeric: tabular-nums; }
.overall-score-note { margin: 4px 0 0; color: var(--muted); font-size: 12px; line-height: 1.6; }
.result-dimensions details { background: rgba(248, 250, 247, .38); border: 1px solid var(--line); }
.result-dimensions summary { cursor: pointer; padding: 15px 17px; font-size: 14px; font-weight: 720; }
.result-dimensions details[open] summary { border-bottom: 1px solid var(--line); }
.result-dimensions .radar-layout { padding: 14px; }
.change-scale { --scale-color: var(--citrus); background: var(--ink); color: var(--white); padding: 28px 20px 18px; }
.change-scale-track { height: 4px; position: relative; background: rgba(248, 250, 247, .35); margin: 5px 12px 0; }
.change-scale-track::before { content: ""; position: absolute; inset: -4px 0; background: radial-gradient(circle, var(--scale-color) 4px, transparent 5px) left center / 25% 12px repeat-x; }
.change-scale-marker { position: absolute; z-index: 1; top: 50%; width: 2px; height: 19px; background: var(--scale-color); transform: translate(-50%, -50%); }
.change-scale-marker > span { position: absolute; bottom: 25px; left: 50%; width: max-content; max-width: 140px; padding: 5px 8px; border-radius: 999px; background: var(--scale-color); color: var(--ink); font-size: 11px; font-weight: 750; transform: translateX(-50%); }
.change-scale[data-position="0"] .change-scale-marker > span { left: 0; transform: none; }
.change-scale[data-position="100"] .change-scale-marker > span { left: auto; right: 0; transform: none; }
.change-scale-labels, .change-scale-range { display: flex; justify-content: space-between; gap: 4px; }
.change-scale-labels { margin-top: 14px; font-size: 11px; font-weight: 700; }
.change-scale-range { margin-top: 11px; color: #d6e0dc; font-size: 11px; }
.review-screen, .result-error { max-width: 760px; margin: 0 auto; padding: 25px 0 56px; }
.review-list { display: grid; gap: 8px; }
.review-item { display: flex; align-items: center; justify-content: space-between; gap: 12px; padding: 13px 15px; background: rgba(248, 250, 247, .72); border-bottom: 1px solid var(--line); }
.review-item > div { min-width: 0; }
.review-item p { margin: 4px 0 6px; font-size: 14px; line-height: 1.55; }
.review-item strong { font-size: 12px; color: var(--slate); }
.review-number { font-size: 11px; color: var(--muted); }
.review-item .button-quiet { min-height: 42px; flex: 0 0 auto; }
.result-error p { color: var(--slate); line-height: 1.7; }
.result-actions { display: flex; flex-wrap: wrap; gap: 10px; margin-top: 24px; }
.result-actions button { min-width: 155px; }
.toast { position: fixed; z-index: 10; bottom: 20px; left: 50%; transform: translate(-50%, 20px); opacity: 0; pointer-events: none; background: var(--ink); color: white; padding: 11px 16px; border-radius: 10px; font-size: 13px; transition: all .2s ease; max-width: calc(100vw - 32px); text-align: center; }
.toast.visible { transform: translate(-50%, 0); opacity: 1; }
@media (max-width: 760px) {
  .site-shell { width: min(100% - 28px, 560px); }
  .site-header { height: 60px; }
  main { min-height: calc(100svh - 122px); }
  .hero { grid-template-columns: 1fr; padding-top: 28px; gap: 24px; }
  .hero h1 { max-width: 560px; }
  .hero-lead { font-size: 15px; }
  .question-screen { min-height: calc(100svh - 126px); padding-top: 16px; padding-bottom: 20px; }
  .progress-track { margin-bottom: clamp(22px, 4vh, 38px); }
  .question-title { margin-bottom: 21px; }
  .answer-list { gap: 8px; }
  .answer-choice { min-height: 53px; padding: 8px 11px; }
  .answer-label { font-size: 14px; }
  .answer-hint { display: inline; font-size: 10px; }
  .question-actions { position: sticky; bottom: 0; background: linear-gradient(180deg, rgba(232,238,235,0), var(--paper) 20%); padding-top: 20px; padding-bottom: max(20px, env(safe-area-inset-bottom)); }
  .question-actions .button-primary { flex: 1; }
  .primary-hero { grid-template-columns: 1fr; }
  .primary-art { grid-row: 1; min-height: clamp(190px, 58vw, 255px); background-position-y: 42%; }
  .primary-copy { padding: 22px; }
  .primary-title { font-size: clamp(36px, 9vw, 48px); }
  .bci-line { margin: 15px 0; }
  .bci-number { font-size: 34px; }
  .hero-share { width: 100%; }
  .result-badges { gap: 8px; }
  .result-badge { padding: 13px 12px; }
  .interpretation, .radar-layout { grid-template-columns: 1fr; gap: 12px; }
  .interpretation-lead { font-size: 20px; }
  .radar-wrap { max-width: 430px; margin: 0 auto; }
  .radar-legend { grid-template-columns: 1fr; }
  .dimension-extremes { grid-template-columns: 1fr; }
  .result-screen { padding-top: 18px; }
  .result-heading h1 { font-size: 20px; }
  .evidence-section { padding: 16px; }
  .evidence-row { align-items: flex-start; }
}

@media (max-width: 390px) {
  .site-shell { width: calc(100% - 24px); }
  .header-note { font-size: 10px; }
  .hero h1 { font-size: 38px; }
  .hero-meta { gap: 6px; }
  .meta-chip { padding: 6px 9px; font-size: 11px; }
  .answer-choice { min-height: 51px; }
  .answer-number { width: 26px; height: 26px; flex-basis: 26px; }
  .answer-label { font-size: 13px; }
  .result-badge { min-height: 88px; }
  .badge-title { font-size: 16px; }
  .badge-copy { font-size: 11px; }
  .result-actions { display: grid; grid-template-columns: 1fr; }
  .result-actions button { width: 100%; }
  .change-scale { padding: 26px 12px 15px; }
  .change-scale-labels { font-size: 9px; }
  .change-scale-range { font-size: 10px; }
  .review-item { align-items: flex-start; padding: 11px 10px; }
  .review-item p { font-size: 13px; }
}

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after { scroll-behavior: auto !important; animation-duration: .01ms !important; animation-iteration-count: 1 !important; transition-duration: .01ms !important; }
}

.share-preview[hidden] { display: none; }
.share-preview { position: fixed; inset: 0; z-index: 30; display: grid; place-items: center; padding: 16px; background: rgba(12, 32, 34, .78); }
.share-preview-panel { width: min(100%, 420px); max-height: calc(100dvh - 32px); overflow: auto; padding: 16px; background: var(--paper); box-shadow: var(--shadow); }
.share-preview-heading { display: flex; align-items: center; justify-content: space-between; gap: 12px; margin-bottom: 12px; }
.share-preview-heading h2 { margin: 0; font-size: 17px; }
.share-preview-close { display: grid; place-items: center; width: 40px; height: 40px; border: 1px solid var(--line); background: transparent; border-radius: 50%; font-size: 22px; cursor: pointer; }
.share-preview-image { display: block; width: auto; max-width: 100%; max-height: min(62dvh, 680px); object-fit: contain; margin: 0 auto 12px; user-select: none; -webkit-user-select: none; }
.share-preview-help { margin: 0 0 12px; color: var(--slate); font-size: 13px; line-height: 1.6; text-align: center; }
.share-preview-save { display: flex; align-items: center; justify-content: center; text-decoration: none; }