:root {
  color-scheme: light;
  --atlas-bg: #f7f8f7;
  --atlas-panel: #ffffff;
  --atlas-ink: #101312;
  --atlas-muted: #66706a;
  --atlas-line: #d9dfda;
  --atlas-accent: #14563e;
  --atlas-accent-strong: #0d402e;
  --atlas-accent-soft: #e5eee8;
  --atlas-on-accent: #ffffff;
  --atlas-radius: 12px;
  font-family: ui-sans-serif, -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", sans-serif;
}

:root[data-theme="dark"],
body[data-theme="dark"] {
  color-scheme: dark;
  --atlas-bg: #151817;
  --atlas-panel: #1d211f;
  --atlas-ink: #f2f4f2;
  --atlas-muted: #b4beb7;
  --atlas-line: #3b433e;
  --atlas-accent: #9fcab0;
  --atlas-accent-strong: #c4e0cd;
  --atlas-accent-soft: #26362c;
  --atlas-on-accent: #101312;
}

@media (prefers-color-scheme: dark) {
  :root:not([data-theme]) {
    color-scheme: dark;
    --atlas-bg: #151817;
    --atlas-panel: #1d211f;
    --atlas-ink: #f2f4f2;
    --atlas-muted: #b4beb7;
    --atlas-line: #3b433e;
    --atlas-accent: #9fcab0;
    --atlas-accent-strong: #c4e0cd;
    --atlas-accent-soft: #26362c;
    --atlas-on-accent: #101312;
  }
}

* { box-sizing: border-box; }
[hidden] { display: none !important; }
html { background: var(--atlas-bg); }
body.atlas-page { min-width: 0; margin: 0; background: var(--atlas-bg); color: var(--atlas-ink); line-height: 1.58; }
button, input { font: inherit; }
button { cursor: pointer; }
button:focus-visible, a:focus-visible, input:focus-visible { outline: 3px solid color-mix(in srgb, var(--atlas-accent) 72%, transparent); outline-offset: 3px; }

.atlas-site-header { border-bottom: 1px solid var(--atlas-line); background: var(--atlas-bg); }
.atlas-site-header__inner { display: flex; align-items: center; width: min(1280px, calc(100% - 64px)); min-height: 64px; margin: 0 auto; gap: 24px; }
.site-brand { color: var(--atlas-ink); font-weight: 700; letter-spacing: -0.03em; text-decoration: none; }
.site-nav { display: flex; min-width: 0; flex: 1; align-items: center; gap: 19px; }
.site-nav a, .atlas-footer a { color: var(--atlas-muted); font-size: 0.88rem; text-decoration: none; }
.site-nav a[aria-current="page"], .site-nav a:hover, .atlas-footer a:hover { color: var(--atlas-accent); }
.theme-toggle { min-height: 32px; padding: 3px 10px; border: 1px solid var(--atlas-line); border-radius: 999px; background: transparent; color: var(--atlas-ink); font-size: 0.75rem; }

.atlas-hero, .atlas-records-section, .atlas-workspace, .atlas-footer { width: min(1180px, calc(100% - 64px)); margin: 0 auto; }
.atlas-hero { padding: 48px 0 40px; }
.atlas-eyebrow, .atlas-section-label { margin: 0 0 16px; color: var(--atlas-accent); font-size: 0.72rem; font-weight: 700; letter-spacing: 0.14em; }
h1, h2, h3, p { margin-top: 0; }
h1, h2, h3 { color: var(--atlas-ink); letter-spacing: -0.055em; }
h1 { max-width: 8.5em; margin-bottom: 16px; font-size: clamp(4rem, 5.3vw, 4.25rem); font-weight: 650; line-height: 0.98; }
.atlas-intro { max-width: 38rem; margin-bottom: 20px; color: var(--atlas-muted); font-size: clamp(1rem, 1.45vw, 1.16rem); }
.atlas-actions { display: flex; flex-wrap: wrap; gap: 10px; }
.atlas-button { min-height: 40px; padding: 0 15px; border: 1px solid var(--atlas-accent); border-radius: 999px; font-size: 0.88rem; font-weight: 650; white-space: nowrap; transition: transform 150ms ease, background-color 150ms ease; }
.atlas-button:active, .atlas-view-button:active, .atlas-domain-chip:active, .atlas-record-card__title:active { transform: translateY(1px); }
.atlas-button--primary { background: var(--atlas-accent); color: var(--atlas-on-accent); }
.atlas-button--primary:hover { background: var(--atlas-accent-strong); }
.atlas-button--quiet { background: transparent; color: var(--atlas-accent); }
.atlas-button--quiet:hover { background: var(--atlas-accent-soft); }

.atlas-records-section { padding-bottom: clamp(76px, 11vw, 136px); }
.atlas-section-heading, .atlas-workspace__heading { display: flex; align-items: end; justify-content: space-between; gap: 24px; margin-bottom: 28px; }
.atlas-section-heading h2, .atlas-workspace__heading h2 { margin-bottom: 0; font-size: clamp(1.55rem, 2.5vw, 2.15rem); font-weight: 640; }
#atlas-records-count { margin-bottom: 3px; color: var(--atlas-muted); font-size: 0.8rem; white-space: nowrap; }
.atlas-records { display: grid; grid-auto-flow: dense; grid-auto-rows: minmax(180px, auto); grid-template-columns: minmax(0, 1.42fr) minmax(260px, 0.82fr); gap: 18px 28px; }
.atlas-record-card { display: grid; min-width: 0; align-content: start; gap: 16px; }
.atlas-record-card--featured { grid-row: span 2; }
.atlas-record-card__visual { aspect-ratio: 16 / 10; margin: 0; overflow: hidden; border-radius: var(--atlas-radius); background: var(--atlas-accent-soft); }
.atlas-record-card__visual img { display: block; width: 100%; height: 100%; object-fit: cover; }
.atlas-record-card__visual--archive img { object-position: 50% 38%; filter: saturate(0.74) contrast(0.96); }
.atlas-record-card__visual--memory img { object-position: 50% 68%; filter: saturate(0.55) contrast(0.94); }
.atlas-record-card--featured .atlas-record-card__visual { aspect-ratio: 12 / 5; }
.atlas-record-card:not(.atlas-record-card--featured) { grid-template-columns: minmax(112px, 0.62fr) minmax(0, 1fr); align-items: start; padding-top: 2px; border-top: 1px solid var(--atlas-line); }
.atlas-record-card:not(.atlas-record-card--featured) .atlas-record-card__visual { aspect-ratio: 1 / 1; }
.atlas-record-card:not(.atlas-record-card--featured) .atlas-record-card__visual { order: -1; }
.atlas-record-card--text:not(.atlas-record-card--featured) { display: block; padding-top: 18px; }
.atlas-record-card--text:not(.atlas-record-card--featured) .atlas-record-card__content { max-width: 34rem; }
.atlas-record-card__content { min-width: 0; }
.atlas-record-card__title { width: 100%; padding: 0; border: 0; background: transparent; color: var(--atlas-ink); font-size: clamp(1.18rem, 1.8vw, 1.6rem); font-weight: 670; letter-spacing: -0.035em; line-height: 1.16; text-align: left; transition: color 150ms ease; }
.atlas-record-card__title:hover { color: var(--atlas-accent); }
.atlas-record-card--featured .atlas-record-card__title { font-size: clamp(1.65rem, 2.4vw, 2rem); }
.atlas-record-card__summary { margin: 10px 0 0; color: var(--atlas-muted); font-size: 0.92rem; }
.atlas-record-card__meta { display: flex; flex-wrap: wrap; align-items: center; gap: 8px 14px; margin-top: 17px; }
.atlas-record-domain { padding: 0; border: 0; background: transparent; color: var(--atlas-muted); font-size: 0.77rem; text-decoration: underline; text-decoration-color: var(--atlas-line); text-underline-offset: 4px; }
.atlas-record-domain:hover { color: var(--atlas-accent); }
.atlas-record-link, .atlas-detail-link, .atlas-catalog-entry__link { color: var(--atlas-accent); font-size: 0.83rem; text-decoration-thickness: 1px; text-underline-offset: 4px; }
.atlas-records-empty { margin: 0; color: var(--atlas-muted); }

.atlas-workspace { padding: clamp(48px, 7vw, 84px) 0 clamp(90px, 13vw, 148px); border-top: 1px solid var(--atlas-ink); }
.atlas-view-switch { display: inline-flex; gap: 2px; padding: 2px; border: 1px solid var(--atlas-line); border-radius: 999px; }
.atlas-view-button { min-height: 32px; padding: 0 12px; border: 0; border-radius: 999px; background: transparent; color: var(--atlas-muted); font-size: 0.8rem; }
.atlas-view-button.is-active { background: var(--atlas-ink); color: var(--atlas-bg); font-weight: 700; }
.atlas-toolbar { display: flex; align-items: center; justify-content: space-between; gap: 22px; padding-bottom: 20px; border-bottom: 1px solid var(--atlas-line); }
.atlas-domain-chips { display: flex; flex-wrap: wrap; gap: 7px; }
.atlas-domain-chip { padding: 6px 9px; border: 1px solid transparent; border-radius: 999px; background: transparent; color: var(--atlas-muted); font-size: 0.79rem; }
.atlas-domain-chip:hover, .atlas-domain-chip[aria-pressed="true"] { border-color: var(--atlas-line); background: var(--atlas-accent-soft); color: var(--atlas-accent-strong); }
.atlas-search { display: grid; grid-template-columns: minmax(0, 1fr) auto; align-items: center; gap: 2px 9px; min-width: min(100%, 292px); border-bottom: 1px solid var(--atlas-ink); color: var(--atlas-muted); font-size: 0.76rem; }
.atlas-search > span { grid-column: 1 / -1; }
.atlas-search input { width: 100%; min-width: 0; padding: 8px 0; border: 0; background: transparent; color: var(--atlas-ink); font-size: 0.88rem; }
.atlas-search input::placeholder { color: var(--atlas-muted); }
.atlas-search button, .atlas-search-empty button { padding: 0; border: 0; background: transparent; color: var(--atlas-accent); text-decoration: underline; }

.atlas-loading, .atlas-explorer { display: grid; grid-template-columns: minmax(0, 1.4fr) minmax(280px, 0.68fr); gap: 40px; padding-top: 28px; }
.atlas-skeleton { min-height: 440px; background: linear-gradient(102deg, var(--atlas-panel) 22%, var(--atlas-accent-soft) 48%, var(--atlas-panel) 74%); background-size: 190% 100%; animation: atlas-shimmer 1.65s ease-in-out infinite; }
.atlas-skeleton--records { border-top: 1px solid var(--atlas-line); }
.atlas-skeleton--detail { border-top: 1px solid var(--atlas-line); }
@keyframes atlas-shimmer { to { background-position: -190% 0; } }
.atlas-error { margin-top: 28px; padding: 36px 0; border-top: 1px solid var(--atlas-line); }
.atlas-error p { margin-bottom: 14px; }

.atlas-map-panel, .atlas-detail { min-width: 0; }
.atlas-graph { position: relative; min-height: 510px; overflow: hidden; border-top: 1px solid var(--atlas-line); }
.atlas-lines { position: absolute; inset: 0; width: 100%; height: 100%; }
.atlas-line { stroke: var(--atlas-line); stroke-width: 1; vector-effect: non-scaling-stroke; }
.atlas-line--entry { stroke: color-mix(in srgb, var(--atlas-accent) 48%, var(--atlas-line)); stroke-dasharray: 3 5; }
.atlas-line--connection { stroke: var(--atlas-accent); stroke-width: 1.3; }
.atlas-nodes { position: absolute; inset: 0; }
.atlas-node { position: absolute; left: var(--x); top: var(--y); z-index: 1; display: grid; place-items: center; min-width: 76px; min-height: 36px; padding: 5px 9px; border: 1px solid var(--atlas-line); border-radius: var(--atlas-radius); background: color-mix(in srgb, var(--atlas-bg) 88%, transparent); color: var(--atlas-ink); font-size: 0.78rem; line-height: 1.2; text-align: center; transform: translate(-50%, -50%); }
.atlas-node:active { transform: translate(-50%, calc(-50% + 1px)); }
.atlas-node:hover, .atlas-node[aria-pressed="true"] { z-index: 2; border-color: var(--atlas-accent); background: var(--atlas-accent-soft); color: var(--atlas-accent-strong); }
.atlas-node--person { min-width: 56px; min-height: 56px; border-color: var(--atlas-ink); border-radius: 50%; background: var(--atlas-ink); color: var(--atlas-bg); font-weight: 700; }
.atlas-node--entry { min-width: 50px; min-height: 38px; font-size: 0.7rem; }
.atlas-node__label { max-width: 11ch; overflow-wrap: anywhere; }
.atlas-mobile-selection { display: none; }

.atlas-catalog { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 0 24px; border-top: 1px solid var(--atlas-line); }
.atlas-catalog-card { min-width: 0; padding: 18px 0; border-bottom: 1px solid var(--atlas-line); }
.atlas-catalog-card__header { width: 100%; padding: 0; border: 0; background: transparent; color: var(--atlas-ink); text-align: left; }
.atlas-catalog-card__header:hover strong, .atlas-catalog-card__header[aria-pressed="true"] strong { color: var(--atlas-accent); }
.atlas-catalog-card strong { display: block; margin-bottom: 5px; font-size: 1.05rem; letter-spacing: -0.025em; }
.atlas-catalog-card span { color: var(--atlas-muted); font-size: 0.83rem; }
.atlas-catalog-entry-list { display: grid; gap: 7px; margin-top: 14px; }
.atlas-catalog-entry { display: flex; align-items: baseline; justify-content: space-between; gap: 10px; }
.atlas-catalog-entry button { min-width: 0; padding: 0; border: 0; background: transparent; color: var(--atlas-ink); font-size: 0.86rem; text-align: left; }
.atlas-catalog-entry button:hover { color: var(--atlas-accent); }
.atlas-search-empty { margin: 0; padding: 28px 0; color: var(--atlas-muted); text-align: left; }

.atlas-detail { align-self: start; padding: 0 0 0 30px; border-left: 1px solid var(--atlas-line); }
.atlas-detail h2 { margin-bottom: 11px; font-size: clamp(1.5rem, 2.4vw, 2.2rem); font-weight: 650; line-height: 1.08; }
.atlas-detail h3 { margin: 30px 0 10px; font-size: 0.82rem; letter-spacing: 0.06em; text-transform: uppercase; }
.atlas-detail__description { margin-bottom: 20px; color: var(--atlas-muted); }
.atlas-detail__domain { margin-bottom: 14px; color: var(--atlas-accent); font-size: 0.78rem; font-weight: 700; }
.atlas-prompt { margin: 0; padding-top: 16px; border-top: 1px solid var(--atlas-line); color: var(--atlas-muted); }
.atlas-entry-list { display: grid; border-top: 1px solid var(--atlas-line); }
.atlas-entry-card { width: 100%; padding: 13px 0; border: 0; border-bottom: 1px solid var(--atlas-line); background: transparent; color: var(--atlas-ink); text-align: left; }
.atlas-entry-card:hover { color: var(--atlas-accent); }
.atlas-entry-card strong { display: block; margin-bottom: 4px; font-size: 0.92rem; }
.atlas-entry-card span { color: var(--atlas-muted); font-size: 0.81rem; }
.atlas-empty-detail, .atlas-entry-body { color: var(--atlas-muted); }
.atlas-entry-body { white-space: pre-wrap; }
.atlas-back-button { margin-bottom: 18px; padding: 0; border: 0; background: transparent; color: var(--atlas-accent); text-decoration: underline; text-underline-offset: 4px; }
.atlas-detail-link { display: inline-block; margin-top: 20px; font-weight: 650; }

.atlas-footer { display: flex; align-items: center; justify-content: space-between; gap: 16px; padding: 24px 0 30px; border-top: 1px solid var(--atlas-line); color: var(--atlas-muted); font-size: 0.75rem; }
.atlas-footer p { margin: 0; }
.atlas-noscript { position: fixed; right: 16px; bottom: 16px; z-index: 4; max-width: 300px; padding: 12px; border-radius: var(--atlas-radius); background: var(--atlas-ink); color: var(--atlas-bg); font-size: 0.88rem; }

@media (max-width: 800px) {
  .atlas-site-header__inner, .atlas-hero, .atlas-records-section, .atlas-workspace, .atlas-footer { width: min(100% - 32px, 1180px); }
  .atlas-hero { padding-top: 44px; padding-bottom: 48px; }
  .atlas-records { grid-template-columns: 1fr; grid-auto-rows: auto; gap: 24px; }
  .atlas-record-card--featured { grid-row: auto; }
  .atlas-record-card--featured .atlas-record-card__visual { aspect-ratio: 16 / 10; }
  .atlas-record-card:not(.atlas-record-card--featured) { grid-template-columns: minmax(120px, 0.45fr) minmax(0, 1fr); padding-top: 18px; }
  .atlas-loading, .atlas-explorer { grid-template-columns: 1fr; gap: 30px; }
  .atlas-detail { padding: 24px 0 0; border-top: 1px solid var(--atlas-line); border-left: 0; }
}

@media (max-width: 560px) {
  .atlas-site-header__inner { min-height: 54px; gap: 9px; }
  .site-brand { font-size: 0.9rem; }
  .site-nav { gap: 9px; overflow: hidden; }
  .site-nav a { flex: 0 0 auto; font-size: 0.74rem; white-space: nowrap; }
  .theme-toggle { min-height: 29px; padding: 2px 7px; font-size: 0.7rem; }
  .atlas-hero, .atlas-records-section, .atlas-workspace, .atlas-footer { width: min(100% - 32px, 1180px); }
  h1 { max-width: 6.5em; font-size: clamp(2.5rem, 12vw, 3.45rem); }
  .atlas-section-heading, .atlas-workspace__heading, .atlas-toolbar { align-items: start; flex-direction: column; gap: 15px; }
  .atlas-view-switch { align-self: stretch; }
  .atlas-view-button { flex: 1; }
  .atlas-search { width: 100%; min-width: 0; }
  .atlas-record-card:not(.atlas-record-card--featured) { grid-template-columns: 106px minmax(0, 1fr); }
  .atlas-record-card__title { font-size: 1.1rem; }
  .atlas-record-card--featured .atlas-record-card__title { font-size: 1.65rem; }
  .atlas-graph { min-height: 382px; }
  .atlas-node { min-width: 54px; min-height: 42px; max-width: 86px; padding: 5px 7px; font-size: 11px; }
  .atlas-node--person { min-width: 52px; min-height: 52px; font-size: 0.77rem; }
  .atlas-node--entry { min-width: 44px; min-height: 44px; max-width: 66px; font-size: 10px; }
  .atlas-node--entry .atlas-node__label { max-width: 6.5ch; }
  .atlas-catalog { grid-template-columns: 1fr; }
  .atlas-catalog-entry { align-items: start; flex-direction: column; }
  .atlas-footer { align-items: start; flex-direction: column; }
}

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after { scroll-behavior: auto !important; animation-duration: 0.01ms !important; animation-iteration-count: 1 !important; transition-duration: 0.01ms !important; }
}