:root {
  --navy: #17385f;
  --red: #a51f2d;
  --ink: #162b47;
  --muted: #627187;
  --paper: #ffffff;
  --page-bg: #e8edf4;
  --rail-accent: #ffe149;
  --rail-line: rgba(255, 225, 72, 0.8);
  --font: "Inter", "Noto Sans SC", "Microsoft YaHei", sans-serif;
  --page-max-width: 1180px;
  --page-gutter: 32px;
  --rail-width: 320px;
  --screen-section-size: 18px;
  --screen-content-size: 15px;
  --screen-name-size: 26px;
}

* {
  box-sizing: border-box;
}

html {
  background: var(--page-bg);
}

body {
  min-width: 320px;
  margin: 0;
  overflow-x: hidden;
  background: var(--page-bg);
  color: var(--ink);
  font-family: var(--font);
  font-size: var(--screen-content-size);
  line-height: 1.5;
}

/* Base layout: fixed visual hierarchy, fluid width within the viewport. */
.resume-page {
  display: grid;
  grid-template-columns: var(--rail-width) minmax(0, 1fr);
  align-items: stretch;
  width: min(var(--page-max-width), calc(100% - var(--page-gutter)));
  min-height: calc(100vh - 48px);
  margin: 24px auto;
  overflow: hidden;
  background: var(--paper);
  box-shadow: 0 14px 38px rgba(22, 43, 71, 0.13);
}

.identity-rail {
  min-width: 0;
  padding: 30px 24px 42px;
  color: #fff;
  background: var(--red);
}

.portrait {
  display: block;
  width: 130px;
  height: 158px;
  margin: 0 auto 16px;
  border: 5px solid rgba(255, 255, 255, 0.82);
  object-fit: cover;
  object-position: center top;
}

.rail-intro {
  text-align: center;
}

.rail-intro h2 {
  margin: 0;
  font-size: var(--screen-name-size);
  font-weight: 700;
  line-height: 1.25;
  letter-spacing: 0;
}

.rail-intro .objective {
  margin: 8px 0 0;
  color: #fff;
  font-size: var(--screen-content-size);
  font-weight: 700;
  line-height: 1.4;
}

.rail-section {
  margin-top: 26px;
  padding: 15px 12px 3px;
  border: 2px dashed var(--rail-line);
  border-radius: 18px;
}

.section-heading {
  margin: 0;
  font-size: var(--screen-section-size);
  font-weight: 700;
  line-height: 1.3;
  letter-spacing: 0;
}

.rail-section .section-heading {
  display: block;
  width: max-content;
  max-width: calc(100% + 18px);
  margin: -30px auto 11px;
  padding: 2px 10px;
  color: var(--rail-accent);
  text-align: center;
  background: var(--red);
}

.rail-section .title-icon {
  display: none;
}

.detail-list,
.course-list,
.skill-list {
  margin: 0 0 11px;
  padding: 0;
  color: #fff;
  font-size: var(--screen-content-size);
  font-weight: 700;
  line-height: 1.5;
  list-style: none;
  text-align: center;
}

.detail-list li,
.course-list li,
.skill-list li {
  padding: 5px 0;
  border-bottom: 1px solid rgba(255, 255, 255, 0.18);
}

.detail-list li:last-child,
.course-list li:last-child,
.skill-list li:last-child {
  border-bottom: 0;
}

.detail-list {
  text-align: left;
}

.detail-list li {
  display: flex;
  align-items: baseline;
  justify-content: flex-start;
}

.info-label {
  width: 4.5em;
  flex: 0 0 4.5em;
  text-align: justify;
  text-align-last: justify;
}

.info-colon {
  flex: 0 0 auto;
}

.info-value {
  min-width: 0;
  flex: 0 1 auto;
  overflow-wrap: anywhere;
}

.detail-list li:last-child .info-value {
  white-space: nowrap;
  overflow-wrap: normal;
}

.main-record {
  min-width: 0;
  padding: 27px clamp(28px, 4vw, 48px) 46px;
}

.record-header {
  display: flex;
  align-items: center;
  justify-content: flex-end;
  min-height: 67px;
  padding-bottom: 14px;
}

.school-logo {
  width: min(250px, 42%);
  height: auto;
  object-fit: contain;
}

.record-section {
  padding: 24px 0;
  border-bottom: 2px dashed var(--red);
}

.record-section:last-child {
  border-bottom: 0;
}

.section-label {
  display: flex;
  align-items: center;
  gap: 4px;
  margin-bottom: 15px;
}

.section-label .title-icon,
.section-label .section-heading {
  height: 34px;
}

.section-label .title-icon {
  display: block;
  width: 34px;
  flex: 0 0 34px;
  border: 0;
  background: transparent;
  object-fit: contain;
}

.section-label .section-heading {
  display: flex;
  align-items: center;
  padding: 0 12px;
  color: #fff;
  background: var(--red);
  font-size: var(--screen-section-size);
}

.education-panel {
  display: grid;
  gap: 10px;
}

.education-row {
  display: grid;
  align-items: baseline;
  grid-template-columns: minmax(0, 1.1fr) minmax(0, 1.25fr) minmax(88px, 0.75fr) minmax(150px, 1fr);
  gap: 18px;
  min-width: 0;
}

.education-value {
  min-width: 0;
  color: #111;
  font-size: var(--screen-content-size);
  line-height: 1.5;
  overflow-wrap: anywhere;
}

.education-strong {
  font-weight: 700;
}

.education-spacer {
  visibility: hidden;
}

.metric-line {
  margin: 0;
  color: var(--red);
  font-size: var(--screen-content-size);
  font-weight: 800;
  line-height: 1.5;
  white-space: nowrap;
}

.honor-table {
  width: 100%;
}

.honor-category-group {
  display: grid;
  grid-template-columns: 108px minmax(0, 1fr);
  align-items: start;
  column-gap: 16px;
  margin-bottom: 6px;
}

.honor-category-group:last-child {
  margin-bottom: 0;
}

.honor-category {
  padding: 5px 0;
  color: var(--red);
  font-size: var(--screen-content-size);
  font-weight: 800;
  line-height: 1.5;
}

.honor-category-items {
  display: grid;
  gap: 2px;
  min-width: 0;
}

.honor-table-row {
  display: grid;
  grid-template-columns: minmax(360px, 1.35fr) minmax(180px, 1fr) 58px;
  align-items: start;
  column-gap: 12px;
  padding: 5px 0;
}

.honor-table-row > span {
  min-width: 0;
  font-size: var(--screen-content-size);
  line-height: 1.5;
  overflow-wrap: anywhere;
}

.honor-name {
  color: var(--ink);
  font-weight: 600;
  white-space: pre-line;
}

.honor-award {
  color: var(--muted);
  white-space: pre-line;
}

.honor-level {
  color: var(--red);
  font-weight: 700;
  white-space: nowrap;
}

.record-list {
  display: grid;
  gap: 10px;
}

.record-entry {
  display: grid;
  grid-template-columns: 125px minmax(0, 1fr);
  align-items: baseline;
  gap: 16px;
  min-width: 0;
}

.record-entry time,
.record-title-row h3,
.record-detail,
.record-summary {
  font-size: var(--screen-content-size);
  line-height: 1.5;
}

.record-entry time {
  color: var(--red);
  font-weight: 700;
  white-space: nowrap;
}

.record-title-row {
  display: grid;
  grid-template-columns: minmax(300px, 1fr) minmax(0, 1fr);
  align-items: baseline;
  gap: 18px;
  min-width: 0;
}

.record-title-row-single {
  grid-template-columns: minmax(0, 1fr);
}

.record-title-row h3 {
  min-width: 0;
  margin: 0;
  color: var(--ink);
  font-weight: 700;
  white-space: nowrap;
}

.record-detail {
  margin: 0;
  color: var(--muted);
  text-align: left;
  overflow-wrap: anywhere;
}

.record-summary {
  margin: 4px 0 0;
  padding-top: 8px;
  border-top: 1px solid rgba(165, 31, 45, 0.18);
  color: var(--red);
  font-weight: 700;
}

.record-summary-label {
  margin-right: 8px;
}

.empty-state {
  margin: 0;
  color: var(--muted);
  font-size: var(--screen-content-size);
}

@media screen and (max-width: 1020px) {
  /* Intermediate widths keep the two-column reading order but tighten tracks. */
  .resume-page {
    --rail-width: 280px;
    --page-gutter: 24px;
  }

  .identity-rail {
    padding-right: 18px;
    padding-left: 18px;
  }

  .main-record {
    padding-right: 28px;
    padding-left: 28px;
  }

  .education-row {
    grid-template-columns: minmax(0, 1fr) minmax(0, 1.1fr) minmax(76px, 0.72fr) minmax(132px, 0.95fr);
    gap: 12px;
  }

  .honor-category-group {
    grid-template-columns: 92px minmax(0, 1fr);
    column-gap: 12px;
  }

  .honor-table-row {
    grid-template-columns: minmax(0, 1.3fr) minmax(180px, 1fr) 48px;
    column-gap: 12px;
  }

  .record-entry {
    grid-template-columns: 105px minmax(0, 1fr);
    gap: 12px;
  }

  .record-title-row {
    grid-template-columns: minmax(240px, 1fr) minmax(0, 1fr);
    gap: 12px;
  }
}

@media screen and (max-width: 760px) {
  /* Mobile layout: the rail becomes the first full-width section. */
  :root {
    --page-gutter: 16px;
    --screen-content-size: 14px;
    --screen-section-size: 17px;
  }

  .resume-page {
    display: block;
    width: calc(100% - var(--page-gutter));
    min-height: 0;
    margin: 16px auto;
  }

  .identity-rail {
    padding: 24px 20px 28px;
  }

  .portrait {
    width: 116px;
    height: 142px;
    margin-bottom: 13px;
  }

  .rail-section {
    margin-top: 22px;
  }

  .detail-list,
  .course-list,
  .skill-list {
    font-size: var(--screen-content-size);
  }

  .course-list,
  .skill-list {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    column-gap: 16px;
  }

  .main-record {
    padding: 24px 20px 32px;
  }

  .record-header {
    min-height: 48px;
    padding-bottom: 8px;
  }

  .school-logo {
    width: min(210px, 48%);
  }

  .record-section {
    padding: 20px 0;
  }

  .education-panel {
    gap: 8px;
  }

  .education-row {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 6px 16px;
  }

  .metric-line {
    white-space: normal;
  }

  .honor-category-group {
    grid-template-columns: 82px minmax(0, 1fr);
    column-gap: 10px;
  }

  .honor-table-row {
    grid-template-columns: minmax(0, 1fr) auto;
    column-gap: 10px;
  }

  .honor-award {
    grid-column: 1 / -1;
    grid-row: 2;
  }

  .honor-level {
    grid-column: 2;
    grid-row: 1;
  }

  .record-entry {
    grid-template-columns: 92px minmax(0, 1fr);
    gap: 10px;
  }

  .record-title-row {
    grid-template-columns: 1fr;
    gap: 2px;
  }

  .record-title-row h3 {
    white-space: normal;
  }

  .record-detail {
    text-align: left;
  }
}

@media screen and (max-width: 520px) {
  .education-row {
    grid-template-columns: 1fr;
    gap: 2px;
  }

  .education-spacer {
    display: none;
  }

  .honor-category-group {
    grid-template-columns: 1fr;
    row-gap: 2px;
    margin-bottom: 10px;
  }

  .honor-category {
    padding-bottom: 0;
  }

  .record-entry {
    grid-template-columns: 1fr;
    gap: 2px;
  }
}

@page {
  size: A4 portrait;
  margin: 8mm;
}

@media print {
  /* Print layout: physical units and break rules keep the resume on one A4 sheet. */
  :root {
    --print-section-size: 10pt;
    --print-content-size: 8pt;
    --print-name-size: 17pt;
  }

  html,
  body {
    width: 100%;
    min-width: 0;
    margin: 0;
    overflow: visible;
    background: #fff;
    print-color-adjust: exact;
    -webkit-print-color-adjust: exact;
  }

  .resume-page {
    display: grid;
    grid-template-columns: 52mm minmax(0, 142mm);
    align-items: stretch;
    width: 194mm;
    min-height: 0;
    margin: 0;
    overflow: visible;
    box-shadow: none;
  }

  .identity-rail {
    min-width: 0;
    padding: 5mm 3.5mm 6mm;
  }

  .portrait {
    width: 24mm;
    height: 29mm;
    margin-bottom: 2.5mm;
    border-width: 0.8mm;
  }

  .rail-intro h2 {
    font-size: var(--print-name-size);
  }

  .rail-intro .objective {
    margin-top: 1.8mm;
    font-size: var(--print-content-size);
  }

  .rail-section {
    margin-top: 4.5mm;
    padding: 2.8mm 2.2mm 0.7mm;
    border-width: 0.4mm;
    border-radius: 3mm;
  }

  .rail-section .section-heading {
    margin: -5.2mm auto 1.8mm;
    padding: 0.3mm 2mm;
    font-size: var(--print-section-size);
  }

  .detail-list,
  .course-list,
  .skill-list {
    margin-bottom: 1mm;
    font-size: var(--print-content-size);
    line-height: 1.35;
  }

  .info-label {
    width: 4em;
    flex-basis: 4em;
  }

  .detail-list .info-value {
    font-size: 7.6pt;
    white-space: nowrap;
    overflow-wrap: normal;
  }

  .education-row:last-child .education-value:last-child {
    white-space: nowrap;
  }

  .detail-list li,
  .course-list li,
  .skill-list li {
    padding: 0.55mm 0;
  }

  .main-record {
    min-width: 0;
    padding: 4mm 5mm 6mm;
  }

  .record-header {
    min-height: 11mm;
    padding-bottom: 1.8mm;
  }

  .school-logo {
    width: 42mm;
  }

  .record-section {
    padding: 2.7mm 0;
    border-bottom-width: 0.4mm;
    break-inside: avoid;
  }

  .section-label {
    margin-bottom: 1.8mm;
  }

  .section-label .title-icon,
  .section-label .section-heading {
    height: 7mm;
  }

  .section-label .title-icon {
    width: 7.5mm;
    flex-basis: 7.5mm;
  }

  .section-label .section-heading {
    padding: 0 2mm;
    font-size: var(--print-section-size);
  }

  .education-row {
    grid-template-columns: minmax(0, 1.1fr) minmax(0, 1.25fr) minmax(15mm, 0.75fr) minmax(28mm, 1fr);
    gap: 2.4mm;
  }

  .education-value,
  .metric-line {
    font-size: var(--print-content-size);
    line-height: 1.35;
  }

  .honor-category-group {
    grid-template-columns: 20mm minmax(0, 1fr);
    column-gap: 1.8mm;
    margin-bottom: 1mm;
  }

  .honor-category {
    padding: 0.6mm 0;
    font-size: var(--print-content-size);
    line-height: 1.35;
  }

  .honor-category-items {
    gap: 0;
  }

  .honor-table-row {
    grid-template-columns: minmax(65mm, 1fr) minmax(39mm, 1fr) 13mm;
    column-gap: 1.5mm;
    padding: 0.6mm 0;
  }

  .honor-table-row > span {
    font-size: var(--print-content-size);
    line-height: 1.35;
  }

  .record-list {
    gap: 1mm;
  }

  .record-entry {
    grid-template-columns: 23mm minmax(0, 1fr);
    gap: 1.8mm;
    break-inside: avoid;
  }

  .record-entry time,
  .record-title-row h3,
  .record-detail,
  .record-summary,
  .empty-state {
    font-size: var(--print-content-size);
    line-height: 1.35;
  }

  .record-title-row {
    grid-template-columns: minmax(50mm, 1.3fr) minmax(0, 0.7fr);
    gap: 1.8mm;
  }

  .record-title-row-single {
    grid-template-columns: minmax(0, 1fr);
  }

  .record-title-row h3 {
    white-space: nowrap;
  }

  .record-detail {
    max-width: 58mm;
    white-space: normal;
  }

  .record-summary {
    margin-top: 1mm;
    padding-top: 1.2mm;
  }

  .honor-category-group,
  .education-panel,
  .record-list {
    break-inside: avoid;
  }

  h1,
  h2,
  h3,
  p,
  ul {
    orphans: 3;
    widows: 3;
  }
}