:root {
  color-scheme: light;
  --paper: #f7f5ef;
  --white: #fffefa;
  --ink: #332f28;
  --muted: #797568;
  --gold: #ae8845;
  --gold-dark: #87652d;
  --line: #e7e1d5;
  --soft: #eee8db;
  --danger: #9e4b41;
  --green: #5a7760;
  font-family: "PingFang SC", "Microsoft YaHei", sans-serif;
  font-size: 15px;
}

* { box-sizing: border-box }
html { scroll-behavior: smooth; scroll-padding-top: 96px }
body { margin: 0; color: var(--ink); background: var(--paper); line-height: 1.75 }
button, input, select { font: inherit }
button, a, input, select { -webkit-tap-highlight-color: transparent }
a { color: inherit; text-decoration: none }
button { cursor: pointer }
button:disabled { cursor: wait; opacity: .55 }
input, select { min-width: 0; border: 1px solid var(--line); border-radius: 9px; background: #fff; color: var(--ink); padding: 11px 12px; max-width: 100% }
input:focus, select:focus { outline: 2px solid #c6aa7270; outline-offset: 2px }
button:focus-visible, a:focus-visible, summary:focus-visible { outline: 2px solid var(--gold); outline-offset: 4px }
[hidden] { display: none!important }
h1, h2, h3, h4, p { margin: 0 }
h1, h2, h3 { font-family: "Songti SC","SimSun",serif; font-weight: 600 }
h2 { font-size: 1.55rem; letter-spacing: .04em }
h3 { font-size: 1.15rem }
label { display: block; font-size: .9rem }
small, .fine-print { font-size: .78rem; color: var(--muted); line-height: 1.7 }
.muted { color: var(--muted); font-size: .9rem }
.eyebrow { font-size: .72rem; letter-spacing: .18em; color: var(--gold); margin-bottom: 8px }
.message { font-size: .85rem; min-height: 1.5em; color: var(--danger); margin-top: 10px }
.message.success { color: var(--green) }
.button { display: inline-flex; justify-content: center; align-items: center; gap: 18px; min-height: 44px; padding: 10px 21px; border: 1px solid transparent; border-radius: 9px; white-space: nowrap; font-size: .9rem; font-weight: 500 }
.primary { background: var(--gold); color: #fff }
.primary:hover { background: var(--gold-dark) }
.secondary { background: #fffefa; border-color: var(--line); color: var(--gold-dark) }
.secondary:hover { border-color: var(--gold) }
.text-button { border: 0; background: none; padding: 8px 0; color: var(--gold-dark); font-size: .86rem }
.danger { color: var(--danger) }
.full-width { width: 100% }
.panel { border: 1px solid var(--line); border-radius: 17px; background: var(--white); box-shadow: 0 8px 30px #5d4b2604 }

.site-header { height: 88px; padding: 0 max(5vw,24px); display: flex; align-items: center; gap: 32px; border-bottom: 1px solid var(--line); background: #fbf9f3 }
.brand { display: flex; align-items: center; gap: 13px; font-family: "Songti SC","SimSun",serif; font-size: 1.45rem; letter-spacing: .12em }
.brand small { display: block; font-family: sans-serif; font-size: .62rem; letter-spacing: .12em }
.brand-seal { display: grid; place-items: center; border: 1px solid var(--gold); width: 42px; height: 46px; border-radius: 4px; color: var(--gold); font-size: 1.65rem }
.site-header nav { display: flex; gap: 25px; margin-left: auto; font-size: .9rem }
.site-header nav a { padding: 8px 0; color: var(--muted) }
.site-header nav .current { color: var(--gold-dark); border-bottom: 1px solid var(--gold) }
.test-badge { padding: 3px 10px; border: 1px solid #d8c7a4; border-radius: 5px; color: var(--gold-dark); font-size: .7rem; white-space: nowrap }
.page-shell { max-width: 1280px; margin: auto; padding: 0 42px }
.hero { display: grid; grid-template-columns: 1fr 460px; gap: 70px; align-items: center; padding: 66px 0 52px }
.hero-copy h1 { font-size: clamp(2.8rem,5.2vw,4.4rem); line-height: 1.3; letter-spacing: .12em; margin: 20px 0 22px }
.hero-description { font-size: .95rem; color: #777063; line-height: 2 }
.hero-facts { display: flex; gap: 28px; margin-top: 30px; color: var(--muted); font-size: .72rem }
.hero-facts b { font: 1.7rem Georgia,serif; color: var(--gold-dark); margin-right: 6px }
.access-panel { padding: 32px }
.panel-heading { display: flex; align-items: center; gap: 15px; margin-bottom: 18px }
.panel-heading .eyebrow { margin-bottom: 0 }
.small-seal { display: grid; place-items: center; width: 40px; height: 48px; color: var(--gold); border: 1px solid #ddcfae; border-radius: 20px 20px 4px 4px; font-family: serif; font-size: 1.25rem }
.access-panel form { margin-top: 22px }
.code-row { display: flex; gap: 9px; margin-top: 8px }
.code-row input { width: 100%; font-size: .82rem }
.code-row .button { padding: 9px 15px }
.access-panel .fine-print { padding-top: 17px; border-top: 1px solid var(--line); margin-top: 8px }
.access-success { color: var(--green); font-size: .95rem; margin: 20px 0 7px }
.status-dot { display: inline-block; width: 7px; height: 7px; border-radius: 50%; background: var(--green); margin-right: 8px }
.experience-note { display: flex; align-items: flex-start; gap: 12px; padding: 15px 19px; border: 1px solid var(--line); border-radius: 10px; color: var(--muted); font-size: .78rem }
.experience-note>span { color: var(--gold); font-size: 1.1rem }
.experience-note strong { color: var(--gold-dark); font-weight: 500 }
.outline-section { margin: 48px 0 70px }
.section-heading { display: flex; justify-content: space-between; align-items: center; gap: 15px; margin-bottom: 18px }
.outline-grid { display: grid; grid-template-columns: repeat(3,1fr); gap: 18px; margin-top: 25px }
.outline-grid article { border-top: 1px solid #cbb997; padding: 23px 18px 18px 0 }
.outline-grid article>span { font: 1.55rem serif; color: #c0aa7c }
.outline-grid h3 { margin: 8px 0 }
.outline-grid p { font-size: .87rem; color: var(--muted) }

.workspace { display: grid; grid-template-columns: 205px minmax(0,1fr); gap: 30px; margin: 40px 0 60px }
.workspace-side { position: sticky; top: 26px; align-self: start }
.side-title { margin-bottom: 17px }
.side-title h2 { font-size: 1.2rem }
.history-list { display: grid; gap: 9px; margin: 18px 0 }
.history-item { padding: 13px 12px; border: 1px solid var(--line); border-radius: 9px; background: #fffefa; text-align: left; color: var(--ink); width: 100%; font-size: .83rem }
.history-item.active { border-color: var(--gold); background: #f3eddf }
.history-item span { display: block; color: var(--muted); font-size: .72rem; margin-top: 4px }
.history-empty { padding: 20px 5px; color: var(--muted); font-size: .82rem }
.birth-panel { padding: 30px 32px }
.birth-panel>.muted { margin-bottom: 24px }
.chapter-count { font-size: .7rem; color: var(--gold); white-space: nowrap }
.choice-row { display: flex; align-items: center; gap: 28px; border: 0; margin: 0 0 22px; padding: 0 }
.choice-row legend { float: left; margin-right: 25px; font-size: .85rem; color: var(--muted) }
.choice-row label { display: flex; align-items: center; gap: 7px }
.choice-row input { accent-color: var(--gold) }
.form-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 20px; margin-bottom: 22px }
.form-grid label>input { display: block; width: 100%; margin-top: 7px }
.form-grid .wide { grid-column: 1/-1 }
.place-row { display: grid; grid-template-columns: repeat(3,minmax(0,1fr)); gap: 8px; margin: 7px 0 }
.place-row select { width: 100%; font-size: .85rem }
.advanced { margin-bottom: 20px; color: var(--muted); font-size: .8rem }
.advanced summary { cursor: pointer }
.advanced label { margin-top: 8px; font-size: .8rem }
.advanced select { margin-left: 10px; padding: 6px }
.consent-row { display: flex; gap: 10px; font-size: .79rem; color: var(--muted); padding: 15px; background: #f6f3eb; border-radius: 9px }
.consent-row input { accent-color: var(--gold); margin-top: 5px; flex-shrink: 0 }
.form-footer { display: flex; align-items: center; flex-wrap: wrap; gap: 15px; margin-top: 18px }
.progress-panel { padding: 36px }
.progress-panel>.muted { margin-top: 12px }
.progress-track { height: 7px; overflow: hidden; background: var(--soft); border-radius: 9px; margin-top: 30px }
.progress-track span { display: block; height: 100%; width: 0; background: var(--gold); transition: width .5s }
.progress-meta { display: flex; justify-content: space-between; font-size: .78rem; color: var(--gold-dark); margin: 10px 0 18px }
.progress-actions { display: flex; align-items: center; flex-wrap: wrap; gap: 25px; margin-top: 20px }

.report-heading { display: flex; justify-content: space-between; align-items: center; gap: 18px; margin-bottom: 20px }
.report-heading h2 { font-size: 1.85rem }
.report-meta { margin-top: 6px }
.report-actions { display: flex; align-items: center; gap: 15px }
.report-testing { padding: 10px 14px; border-radius: 8px; background: #eee7d9; font-size: .78rem; color: var(--gold-dark) }
.reading-controls { display: flex; justify-content: flex-end; gap: 20px; margin: 12px 0 }
.preview-grid { display: grid; grid-template-columns: repeat(2,minmax(0,1fr)); gap: 12px; margin-bottom: 26px }
.preview-card { border: 1px solid var(--line); border-radius: 11px; background: var(--white); padding: 17px 18px; text-align: left; color: var(--ink) }
.preview-card:hover { border-color: var(--gold) }
.preview-card strong { font-family: "Songti SC","SimSun",serif; font-size: 1rem; font-weight: 600 }
.preview-card p { font-size: .78rem; color: var(--muted); line-height: 1.9; margin: 8px 0; display: -webkit-box; -webkit-line-clamp: 3; -webkit-box-orient: vertical; overflow: hidden }
.preview-card em { font-style: normal; font-size: .72rem; color: var(--gold) }
.radar-panel { padding: 26px; margin-bottom: 20px; scroll-margin-top: 25px }
.radar-grid { display: grid; grid-template-columns: repeat(3,minmax(0,1fr)); gap: 15px }
.radar-card { min-width: 0; text-align: center }
.radar-card h3 { font-family: inherit; font-size: .83rem; margin-bottom: 4px }
.radar-card>p { font-size: .68rem; color: var(--muted); min-height: 3.5em }
.radar-card svg { width: 100%; max-width: 320px; overflow: visible }
.radar-values { display: grid; grid-template-columns: 1fr 1fr; gap: 3px 10px; text-align: left; padding: 0 7px; list-style: none; font-size: .66rem; color: var(--muted) }
.radar-values li { display: flex; justify-content: space-between }
.radar-values b { color: var(--ink); font-weight: 500 }
.radar-note { font-size: .65rem; color: var(--muted); margin-top: 12px }
.chapters { display: grid; gap: 14px }
.chapter { padding: 0 26px; scroll-margin-top: 25px }
.chapter>summary { padding: 20px 0; cursor: pointer; list-style: none; display: flex; align-items: center; gap: 12px; font-family: "Songti SC","SimSun",serif; font-size: 1.1rem }
.chapter>summary::-webkit-details-marker { display: none }
.chapter>summary::after { content: "＋"; color: var(--gold); font-family: sans-serif; margin-left: auto; font-size: .95rem }
.chapter[open]>summary::after { content: "−" }
.chapter-number { font: 1rem Georgia,serif; color: var(--gold); min-width: 24px }
.chapter-body { border-top: 1px solid var(--line); padding: 23px 0 27px }
.chapter-body p { font-size: .9rem; line-height: 2.1; margin: 0 0 16px; text-align: justify; overflow-wrap: anywhere }
.chapter-group { scroll-margin-top: 25px }
.chapter-group h3 { font-size: 1rem; margin: 25px 0 14px; color: var(--gold-dark) }
.chapter-group .group-intro { font-size: .84rem; color: var(--muted) }
.point-list { padding-left: 19px; margin: 0; list-style-type: disc }
.point-list>li { padding-left: 5px; margin: 16px 0 }
.point-label { font-size: .9rem; font-weight: 600; display: block; margin-bottom: 6px }
.point-list ul, .point-list ol { padding-left: 22px; font-size: .87rem; line-height: 2 }
.point-list li>p { margin-bottom: 7px }
.year-list { padding-left: 18px }
.year-list>li { padding-left: 5px; margin: 20px 0 }
.year-list h3 { font-family: inherit; font-size: .92rem; margin-bottom: 8px; color: var(--gold-dark) }
.source-ref { color: var(--muted); font-size: .7rem; margin-top: 20px }
.sources-panel { padding: 19px 26px; margin-top: 20px }
.sources-panel>summary { cursor: pointer; font-size: .9rem; color: var(--gold-dark) }
.sources-panel ul { font-size: .8rem; padding-left: 20px }
.sources-panel li { margin: 12px 0 }
.report-footer { font-size: .77rem; color: var(--muted); text-align: center; margin: 32px 0 }
.site-footer { max-width: 1196px; margin: auto; padding: 25px 0 35px; display: flex; justify-content: space-between; border-top: 1px solid var(--line); font-size: .73rem; color: var(--muted) }

.has-session .hero { padding: 25px 0; display: block }
.has-session .hero-copy { display: none }
.has-session .access-panel { padding: 18px 25px; display: flex; align-items: center; gap: 25px; flex-wrap: wrap }
.has-session .panel-heading { margin: 0; min-width: 230px }
.has-session .access-panel>.muted, .has-session .access-panel>.fine-print { display: none }
.has-session #session-panel { display: flex; gap: 18px; align-items: center; flex-wrap: wrap }
.has-session .access-success, .has-session #session-panel>.muted { margin: 0 }
.has-session #access-message:empty { display: none }
.has-session #access-message { width: 100%; margin: 0 }
.has-session .outline-section { display: none }

@media(max-width:1050px) {
  .page-shell { padding: 0 28px }
  .hero { grid-template-columns: 1fr 400px; gap: 35px }
  .workspace { grid-template-columns: 170px minmax(0,1fr); gap: 20px }
  .radar-grid { grid-template-columns: 1fr }
  .radar-card { display: grid; grid-template-columns: 1fr 1fr; align-items: center; gap: 4px 15px; border-top: 1px solid var(--line); padding-top: 18px }
  .radar-card h3, .radar-card>p, .radar-note { grid-column: 1/-1; min-height: 0 }
  .radar-card svg { grid-column: 1 }
  .radar-values { grid-column: 2; grid-template-columns: 1fr; font-size: .75rem }
  .site-footer { margin: 0 28px }
  .report-heading { align-items: flex-start; flex-wrap: wrap }
}

@media(max-width:760px) {
  .site-header { height: 76px; padding: 0 20px; gap: 15px }
  .brand { font-size: 1.2rem }
  .brand-seal { width: 34px; height: 39px; font-size: 1.3rem }
  .brand small { display: none }
  .site-header nav { gap: 15px; font-size: .78rem }
  .test-badge { display: none }
  .page-shell { padding: 0 18px }
  .hero { grid-template-columns: 1fr; gap: 30px; padding: 38px 0 28px }
  .hero-copy h1 { font-size: 3.1rem; line-height: 1.25; margin: 12px 0 16px }
  .hero-description { font-size: .88rem }
  .hero-facts { gap: 23px; margin-top: 20px }
  .hero-facts b { font-size: 1.5rem }
  .access-panel { padding: 24px }
  .workspace { grid-template-columns: 1fr; gap: 25px; margin-top: 30px }
  .workspace-side { position: static }
  .history-list { display: flex; overflow: auto; padding-bottom: 6px }
  .history-item { min-width: 175px; width: auto }
  .side-title { display: flex; align-items: center; gap: 15px; margin-bottom: 12px }
  .side-title .eyebrow { margin: 0 }
  .workspace-side>.button { width: auto }
  .workspace-side>.fine-print { font-size: .72rem }
  .birth-panel { padding: 24px 20px }
  .section-heading { align-items: flex-start; flex-wrap: wrap; gap: 8px }
  h2 { font-size: 1.4rem }
  .form-grid { gap: 16px 12px }
  .place-row { grid-template-columns: 1fr }
  .choice-row { gap: 22px }
  .choice-row legend { margin-right: 18px }
  .chapter-count { font-size: .66rem }
  .consent-row { padding: 12px }
  .form-footer>.button { width: 100% }
  .progress-panel { padding: 27px 23px }
  .outline-section { margin-top: 35px }
  .outline-grid { grid-template-columns: 1fr; gap: 0 }
  .outline-grid article { display: grid; grid-template-columns: 35px 1fr; gap: 0 15px; padding: 20px 0 }
  .outline-grid article>span { grid-row: 1/3 }
  .outline-grid h3 { margin: 0 0 6px }
  .outline-grid p { font-size: .82rem }
  .site-footer { margin: 0 18px; gap: 15px; font-size: .65rem }
  .preview-grid { gap: 9px }
  .preview-card { padding: 14px 12px }
  .preview-card strong { font-size: .87rem }
  .preview-card p { font-size: .73rem }
  .report-heading h2 { font-size: 1.65rem }
  .report-actions { gap: 17px }
  .radar-panel { padding: 23px 17px }
  .radar-card { grid-template-columns: 1fr }
  .radar-card h3, .radar-card>p, .radar-card svg, .radar-note, .radar-values { grid-column: 1 }
  .radar-card svg { max-width: 340px; justify-self: center }
  .radar-values { grid-template-columns: 1fr 1fr; gap: 4px 18px; font-size: .72rem }
  .chapter { padding: 0 18px }
  .chapter>summary { font-size: 1rem; gap: 8px }
  .chapter-body p { font-size: .87rem; line-height: 2 }
  .sources-panel { padding: 18px }
  .report-testing { font-size: .73rem }
  .form-footer small { font-size: .72rem }
}

@media(prefers-reduced-motion:reduce) {
  html { scroll-behavior: auto }
  .progress-track span { transition: none }
}

@media print {
  .site-header, .hero, .experience-note, .workspace-side, .birth-panel, .progress-panel, .report-actions, .reading-controls, .preview-grid, .site-footer, .outline-section { display: none!important }
  .page-shell { max-width: none; padding: 0 }
  .workspace { display: block }
  .panel { box-shadow: none; break-inside: avoid }
  .chapter-body { display: block!important }
  .chapter { break-inside: auto }
  .chapter>summary::after { display: none }
  .report-testing { background: none }
  .radar-grid { grid-template-columns: repeat(3,1fr) }
  .radar-card { display: block }
  .report-footer { margin: 20px 0 }
}

/* BEGIN ZHIMING VERSION NAVIGATION 20261024 */
/* 两端页头共用的尺寸与状态样式。放在各自原样式之后。 */
.version-header {
  --version-ink: #625b4d;
  --version-line: #ded7c9;
  --version-surface: #f1ede4;
  --version-accent: #87662f;
  --version-selected: #fffefa;
  box-sizing: border-box;
  display: grid;
  grid-template-columns: auto minmax(0, 1fr) auto;
  align-items: center;
  gap: 24px;
  height: 80px;
  min-height: 80px;
  padding: 0 clamp(20px, 4vw, 64px);
}
.version-header--dark {
  --version-ink: #c7c3b9;
  --version-line: #393831;
  --version-surface: #1b1c19;
  --version-accent: #c6a266;
  --version-selected: #171812;
}
.version-header > .destiny-links {
  justify-self: center;
  min-width: 0;
}
.version-header .header-tools {
  display: flex;
  grid-column: 3;
  align-items: center;
  justify-self: end;
  gap: 16px;
  min-width: 0;
}
.version-header .version-switch {
  box-sizing: border-box;
  display: flex;
  align-items: center;
  gap: 2px;
  margin: 0;
  padding: 4px;
  border: 1px solid var(--version-line);
  border-radius: 999px;
  background: var(--version-surface);
}
.version-header .version-switch .version-option {
  box-sizing: border-box;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  flex: 0 0 104px;
  width: 104px;
  height: 34px;
  margin: 0;
  padding: 0 10px;
  border: 0;
  border-radius: 999px;
  color: var(--version-ink);
  background: transparent;
  font: 500 14px/1 "PingFang SC", "Microsoft YaHei", sans-serif;
  letter-spacing: 0;
  white-space: nowrap;
  text-decoration: none;
  transition: background-color 150ms ease, color 150ms ease;
}
.version-header .version-switch .version-option:hover {
  color: var(--version-accent);
  background: color-mix(in srgb, var(--version-accent) 10%, transparent);
}
.version-header .version-switch .version-option[aria-current="page"] {
  color: var(--version-selected);
  background: var(--version-accent);
}
.version-header .version-switch .version-option:focus-visible {
  outline: 2px solid var(--version-accent);
  outline-offset: 3px;
}
.version-header .header-tools .header-status {
  box-sizing: border-box;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  flex: 0 0 96px;
  width: 96px;
  max-width: none;
  min-height: 28px;
  margin: 0;
  padding: 0 8px;
  border: 1px solid var(--version-line);
  border-radius: 5px;
  color: var(--version-ink);
  background: transparent;
  font: 400 12px/1.3 "PingFang SC", "Microsoft YaHei", sans-serif;
  letter-spacing: 0;
  white-space: nowrap;
}
@media (max-width: 1000px) {
  .version-header > .destiny-links { gap: 2px; }
  .version-header > .destiny-links a { padding-inline: 8px; }
}
@media (max-width: 640px) {
  .version-header {
    height: 68px;
    min-height: 68px;
    padding-inline: 16px;
    gap: 12px;
  }
  .version-header .header-tools { gap: 0; }
  .version-header > .destiny-links { display: none; }
  .version-header .header-tools .header-status { display: none; }
  .version-header .version-switch .version-option {
    flex-basis: 94px;
    width: 94px;
  }
  .version-header .brand { gap: 8px; font-size: 20px; }
  .version-header .brand small { display: none; }
}
@media (max-width: 420px) {
  .version-header .brand-seal { display: none; }
}
@media (prefers-reduced-motion: reduce) {
  .version-header .version-switch .version-option { transition: none; }
}
@media print {
  .version-header { display: none; }
}
/* END ZHIMING VERSION NAVIGATION 20261024 */