:root {
  --ink: #050505;
  --muted: #575757;
  --soft-ink: #666;
  --paper: rgba(255, 255, 255, 0.72);
  --panel: rgba(255, 255, 255, 0.9);
  --line: rgba(5, 5, 5, 0.2);
  --pill: #565656;
  --warm: #b2a99f;
  --matcher-warm-bg: #ebe4d9;
  --matcher-warm-ink: #6f6558;
  --hero-kicker-color: #9a8456;
  --matcher-card-radius: 1.15rem;
  --matcher-card-width: 540px;
  --matcher-field-radius: 1rem;
  --hero-cta-height: 3rem;
  --hero-cta-padding-x: 1.35rem;
  --hero-cta-radius: var(--matcher-field-radius);
  --hero-actions-gap: clamp(1.5rem, 2.5vh, 2rem);
  --hero-intro-title-gap: clamp(1.1rem, 2.2vw, 2rem);
  --matcher-title-gap: 0.35rem;
  --matcher-desc-gap: 0.55rem;
  --matcher-field-height: 2.85rem;
  --shadow: 0 22px 70px rgba(20, 25, 31, 0.11);
  --nav-h: 72px;
  --section-shell-inset-l: clamp(1rem, 7.5vw, 126px);
  --section-shell-inset-r: clamp(1rem, 8vw, 120px);
  --section-title-inset: clamp(0px, 2vw, 24px);
  --section-title-gap: 30px;
  --project-detail-gap: var(--section-title-gap);
  --project-detail-inset-x: var(--section-title-inset);
  --project-detail-bottom: 32px;
  --project-detail-area-h: calc(
    100vh - var(--nav-h) - var(--section-title-gap) - var(--project-detail-gap) -
      var(--project-detail-bottom) - 6.25rem
  );
  --project-panel-body-h: calc(var(--project-detail-area-h) - 5.5rem);
  --type-h1-size: clamp(4.1rem, 5.7vw, 6.1rem);
  --type-h2-size: 22px;
  --type-body-size: 17px;
  --type-h2-desc-size: 17px;
  --type-h2-desc-color: #575757;
  --type-body-desc-size: 15px;
  --type-body-desc-color: #575757;
  --type-body-weight: 400;
  --type-subhead-weight: 600;
  --type-heading-weight: 700;
  --type-display-weight: 900;
  --section-watermark-color: rgba(178, 169, 159, 0.38);
  --detail-body-size: var(--type-body-size);
  --font-serif: "Source Han Serif SC", "Noto Serif CJK SC", "SimSun", serif;
  --font-sans: "PingFang SC", "Microsoft YaHei", "Noto Sans SC", "Helvetica Neue", Arial, sans-serif;
  font-size: 16px;
}

/* —— 全站字号：一级标题 / 二级标题 / 正文 —— */
.vertical-title,
.section-head h2,
.work-head h2,
.project-head h2,
.more-head h2,
.hero-copy h1 {
  font-size: var(--type-h1-size);
  font-family: var(--font-serif);
}

.portrait-block h2,
.skill-card h3,
.edu-title-row h3,
.company-meta h3,
.work-task-card__head h4,
.project-panel-head h3,
.more-block h3,
.project-dual-col h3,
.achievement-card h5 {
  font-size: var(--type-h2-size);
}

.about-copy .about-line,
.hero-description,
.skill-list,
.skill-list li,
.cert-grid,
.cert-grid p,
.logo-row figcaption,
.edu-facts span,
.edu-cover figcaption,
.edu-cover__label,
.work-task-card ul,
.work-task-card li,
.work-head p:not(.section-watermark),
.section-head p:not(.section-watermark),
.project-subtitle,
.project-panel-intro,
.project-panel-intro ul,
.project-panel-intro h4,
.project-panel-block h4,
.project-panel-section h4,
.detail-copy,
.detail-copy p,
.detail-kicker,
.volunteer-detail-card h4,
.volunteer-detail-card p,
.master-copy h4,
.master-copy p,
.achievement-card p,
.work-date,
.work-role,
.contact-pill span,
.discover-card p {
  font-size: var(--type-body-size);
}

.about-copy .about-line,
.hero-description,
.skill-list,
.skill-list li,
.cert-grid,
.cert-grid p,
.logo-row figcaption,
.edu-facts span,
.edu-cover figcaption,
.edu-cover__label,
.work-task-card ul,
.work-task-card li,
.work-head p:not(.section-watermark),
.section-head p:not(.section-watermark),
.project-subtitle,
.project-panel-intro,
.project-panel-intro ul,
.project-panel-intro h4,
.project-panel-block h4,
.project-panel-section h4,
.detail-copy,
.detail-copy p,
.detail-kicker,
.volunteer-detail-card h4,
.volunteer-detail-card p,
.master-copy h4,
.master-copy p,
.achievement-card p,
.work-date,
.work-role,
.contact-pill span,
.discover-card p {
  font-weight: var(--type-body-weight);
}

.type-h2-desc,
.matcher-copy p {
  font-size: var(--type-h2-desc-size);
  color: var(--type-h2-desc-color);
  font-weight: 400;
}

.type-body-desc {
  font-size: var(--type-body-desc-size);
  color: var(--type-body-desc-color);
  font-weight: 400;
}

.matcher-card textarea::placeholder {
  font-size: 12px;
  color: var(--type-body-desc-color);
  font-weight: 400;
  opacity: 0.6;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
  scroll-padding-top: 0;
  height: 100%;
  overflow: hidden;
}

body {
  margin: 0;
  height: 100%;
  min-width: 320px;
  color: var(--ink);
  font-family: var(--font-sans);
  font-weight: var(--type-body-weight);
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  background: #f8f7f4 url("images/site/background.png") center / cover fixed no-repeat;
  overflow: hidden;
}

/* 一级 / 二级大标题保留衬线 */
.vertical-title,
.section-head h2,
.work-head h2,
.project-head h2,
.more-head h2,
.hero-copy h1,
.portrait-block h2,
.skill-card h3,
.edu-title-row h3,
.company-meta h3,
.work-task-card__head h4,
.project-panel-head h3,
.more-block h3,
.project-dual-col h3 {
  font-family: var(--font-serif);
}

a {
  color: inherit;
  text-decoration: none;
}

button,
textarea {
  font: inherit;
}

strong,
b {
  font-weight: var(--type-subhead-weight);
}

button:focus-visible,
a:focus-visible,
textarea:focus-visible {
  outline: 2px solid rgba(60, 90, 130, 0.45);
  outline-offset: 4px;
}

.site-header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 50;
  display: flex;
  align-items: center;
  justify-content: space-between;
  min-height: var(--nav-h);
  padding: 0.55rem 2rem;
  background: transparent;
  backdrop-filter: none;
  -webkit-backdrop-filter: none;
  border-bottom: 0;
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 0.55rem;
  width: auto;
  height: auto;
  text-decoration: none;
  color: var(--ink);
}

.brand img {
  flex-shrink: 0;
  width: 52px;
  height: 52px;
  object-fit: contain;
}

.brand-name {
  font-size: clamp(0.98rem, 1.18vw, 1.28rem);
  font-weight: 700;
  letter-spacing: 0;
  line-height: 1;
  white-space: nowrap;
}

.nav-menu {
  display: flex;
  align-items: center;
  gap: clamp(2rem, 5vw, 6.5rem);
  font-size: clamp(0.98rem, 1.18vw, 1.28rem);
  font-weight: 700;
  letter-spacing: 0;
}

.nav-link {
  position: relative;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-width: 4.75rem;
  padding: 0.42rem 0.85rem;
  border-radius: 999px;
  transition: color 0.2s ease, background 0.2s ease, transform 0.2s ease;
}

.nav-link:hover,
.nav-link.active {
  color: #fff;
  background: var(--pill);
  transform: translateY(-1px);
}

.menu-toggle {
  display: none;
  width: 46px;
  height: 40px;
  border: 0;
  background: transparent;
  padding: 0;
}

.menu-toggle span {
  display: block;
  width: 28px;
  height: 2px;
  margin: 6px auto;
  background: var(--ink);
  transition: transform 0.2s ease, opacity 0.2s ease;
}

.menu-toggle.is-open span:nth-child(1) {
  transform: translateY(8px) rotate(45deg);
}

.menu-toggle.is-open span:nth-child(2) {
  opacity: 0;
}

.menu-toggle.is-open span:nth-child(3) {
  transform: translateY(-8px) rotate(-45deg);
}

.scroll-container {
  height: 100vh;
  overflow-x: hidden;
  overflow-y: auto;
  scroll-behavior: smooth;
  scroll-padding-top: 0;
  scroll-snap-type: y mandatory;
  overscroll-behavior-y: contain;
}

.scroll-container.free-scroll {
  scroll-snap-type: none;
  scroll-behavior: auto;
}

.section {
  position: relative;
  height: 100vh;
  min-height: 100vh;
  padding: var(--nav-h) 2rem 0;
  scroll-snap-align: start;
  scroll-snap-stop: always;
}

.section.has-expanded-content {
  height: auto;
  scroll-snap-align: none;
  scroll-snap-stop: normal;
}

.education-section.has-expanded-content .education-shell {
  height: auto;
  min-height: calc(100vh - var(--nav-h));
}

.page-shell {
  width: auto;
  margin: 0 var(--section-shell-inset-r) 0 var(--section-shell-inset-l);
  max-width: none;
  min-height: calc(100vh - var(--nav-h));
}

.hero-section {
  position: relative;
}

.hero-grid {
  display: grid;
  grid-template-columns: 1fr 0.88fr;
  align-items: end;
  gap: clamp(2rem, 5vw, 5.5rem);
  min-height: calc(100vh - var(--nav-h));
  --hero-section-v-pad: clamp(2.5rem, 7vh, 4.5rem);
  padding-top: var(--hero-section-v-pad);
  padding-bottom: var(--hero-section-v-pad);
  box-sizing: border-box;
}

.hero-copy {
  display: flex;
  flex-direction: column;
  gap: var(--hero-actions-gap);
  padding-left: var(--section-title-inset);
  align-self: end;
  justify-content: flex-end;
}

.hero-scroll-hint {
  position: absolute;
  left: 50%;
  bottom: clamp(1rem, 2.8vh, 1.75rem);
  z-index: 3;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 0.35rem;
  color: #8f8f8f;
  text-decoration: none;
  transform: translateX(-50%);
  transition: color 0.2s ease, opacity 0.2s ease;
}

.hero-scroll-hint:hover {
  color: #666;
}

.hero-scroll-hint__mouse {
  display: block;
  flex-shrink: 0;
  opacity: 0.9;
}

.hero-scroll-hint__chevrons {
  display: block;
  animation: hero-scroll-bounce 1.8s ease-in-out infinite;
}

.hero-scroll-hint__chevrons svg {
  display: block;
}

@keyframes hero-scroll-bounce {
  0%,
  100% {
    transform: translateY(0);
    opacity: 0.45;
  }

  50% {
    transform: translateY(7px);
    opacity: 1;
  }
}

.hero-kicker {
  display: block;
  width: fit-content;
  margin: 0 0 0.7rem;
  padding: 0;
  color: var(--hero-kicker-color);
  background: none;
  font-size: 12px;
  font-weight: 700;
  letter-spacing: 0.06em;
  line-height: 1.4;
}

.eyebrow {
  margin: 0 0 var(--hero-intro-title-gap);
  font-size: clamp(3.6rem, 6.2vw, 6rem);
  line-height: 0.9;
  font-weight: 700;
}

.hero-copy h1 {
  margin: 0;
  font-size: calc(var(--type-h1-size) - 5px);
  line-height: 1.1;
  font-weight: 900;
  letter-spacing: 0;
}

.hero-description {
  max-width: none;
  margin: var(--hero-intro-title-gap) 0 var(--hero-actions-gap);
  line-height: 1.65;
  letter-spacing: 0.08em;
  font-weight: 400;
  white-space: nowrap;
}

.hero-actions {
  display: flex;
  align-items: center;
  gap: clamp(1.4rem, 4vw, 4rem);
  margin: 0 0 var(--hero-actions-gap) clamp(1rem, 5.5vw, 5rem);
  transform: translateY(20px);
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: var(--hero-cta-height);
  padding: 0 var(--hero-cta-padding-x);
  border-radius: var(--hero-cta-radius);
  font-weight: 900;
  transition: transform 0.2s ease, box-shadow 0.2s ease, background 0.2s ease;
}

.btn:hover,
.match-button:hover,
.next-card:hover {
  transform: translateY(-2px);
}

.btn-primary {
  color: #050505;
  border: 2px solid #050505;
  background: rgba(255, 255, 255, 0.4);
}

.btn-secondary {
  color: #fff;
  background: #aaa197;
  border: 2px solid #aaa197;
}

.matcher-card {
  position: relative;
  display: grid;
  grid-template-columns: 1fr auto;
  align-items: stretch;
  gap: var(--matcher-desc-gap);
  width: min(100%, var(--matcher-card-width));
  margin-top: 10px;
  padding: 0.95rem 0.85rem 0.85rem 1.25rem;
  border: 2px solid rgba(0, 0, 0, 0.1);
  border-radius: var(--matcher-card-radius);
  background: rgba(255, 255, 255, 0.7);
  box-shadow: 0 10px 36px rgba(20, 20, 20, 0.06);
  backdrop-filter: blur(10px);
}

.matcher-copy {
  grid-column: 1 / -1;
  display: flex;
  flex-direction: column;
  gap: var(--matcher-desc-gap);
}

.matcher-head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 0.75rem;
  margin: 0;
}

.matcher-title-row {
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  margin: 0;
  min-width: 0;
}

.matcher-tag {
  display: inline-flex;
  flex-shrink: 0;
  align-items: center;
  min-height: 1.55rem;
  padding: 0.12rem 0.65rem;
  border-radius: 999px;
  color: var(--matcher-warm-ink);
  background: var(--matcher-warm-bg);
  font-size: 13px;
  font-weight: 700;
  letter-spacing: 0.03em;
  line-height: 1.2;
}

.matcher-copy h2 {
  margin: 0;
  font-weight: 900;
}

.matcher-star {
  flex-shrink: 0;
  color: #9a8f82;
}

.matcher-copy p {
  margin: 0;
  font-size: 14px;
}

.matcher-card textarea {
  width: 100%;
  min-height: var(--matcher-field-height);
  height: var(--matcher-field-height);
  max-height: 9rem;
  resize: vertical;
  padding: 0.7rem 1.2rem;
  border: 1px solid rgba(80, 80, 80, 0.22);
  border-radius: var(--matcher-field-radius);
  outline: 0;
  color: #333;
  background: rgba(248, 248, 248, 0.85);
  box-sizing: border-box;
}

.match-button {
  min-height: var(--matcher-field-height);
  height: var(--matcher-field-height);
  white-space: nowrap;
  border: 0;
  border-radius: var(--hero-cta-radius);
  padding: 0 var(--hero-cta-padding-x);
  box-sizing: border-box;
  color: #fff;
  background: var(--pill);
  font-size: var(--type-h2-size);
  line-height: 1.25;
  font-weight: 900;
  cursor: pointer;
  transition: transform 0.2s ease, background 0.2s ease;
}

/* 首页 CTA / 匹配器：二级标题字号（写在 button{font:inherit} 之后确保生效） */
.hero-actions .btn,
.hero-actions .btn-primary,
.hero-actions .btn-secondary,
.matcher-copy h2,
.match-button {
  font-size: var(--type-h2-size);
  line-height: 1.25;
}

.match-result {
  width: min(100%, var(--matcher-card-width));
  min-height: 0;
  margin-top: 1rem;
  color: #2f3d4b;
  font-size: 1rem;
  line-height: 1.7;
}

.match-result.show {
  padding: 1rem 1.3rem;
  border-radius: 1.2rem;
  background: rgba(255, 255, 255, 0.82);
  box-shadow: 0 12px 34px rgba(30, 40, 50, 0.08);
}

.match-button.is-loading {
  opacity: 0.72;
  cursor: wait;
}

.match-modal-backdrop {
  position: fixed;
  inset: 0;
  z-index: 120;
  display: none;
  place-items: center;
  padding: clamp(0.75rem, 3vw, 1.5rem);
  background: rgba(20, 24, 28, 0.52);
  backdrop-filter: blur(4px);
}

.match-modal-backdrop.show {
  display: grid;
}

.match-modal {
  position: relative;
  width: min(96vw, 640px);
  max-height: min(90vh, 720px);
  overflow: auto;
  padding: 0;
  border-radius: 1.15rem;
  background: linear-gradient(165deg, #fff 0%, #faf8f5 48%, #f3efe8 100%);
  box-shadow: 0 28px 90px rgba(24, 28, 32, 0.22);
  border: 1px solid rgba(178, 169, 159, 0.35);
}

.match-modal-close {
  position: absolute;
  top: 0.75rem;
  right: 0.75rem;
  z-index: 2;
  border: 0;
  width: 2rem;
  height: 2rem;
  border-radius: 50%;
  background: rgba(255, 255, 255, 0.9);
  box-shadow: 0 4px 16px rgba(0, 0, 0, 0.08);
  font-size: 1.45rem;
  line-height: 1;
  cursor: pointer;
  color: var(--ink);
}

.match-modal-content {
  padding: 1.35rem 1.45rem 1.25rem;
}

.match-modal-head {
  display: grid;
  grid-template-columns: auto minmax(0, 1fr);
  gap: clamp(1rem, 3vw, 1.35rem);
  align-items: start;
  padding-bottom: 1.1rem;
  border-bottom: 1px dashed rgba(120, 127, 134, 0.38);
}

.match-modal-head--error {
  grid-template-columns: 1fr;
}

.match-score {
  display: flex;
  align-items: baseline;
  gap: 0.2rem;
  padding: 0.55rem 0.85rem 0.65rem;
  border-radius: 1rem;
  background: color-mix(in srgb, var(--warm) 22%, #fff);
  box-shadow: inset 0 0 0 1px color-mix(in srgb, var(--warm) 35%, transparent);
}

.match-score__value {
  font-family: var(--font-serif);
  font-size: clamp(2.6rem, 6vw, 3.25rem);
  font-weight: 900;
  line-height: 1;
  color: var(--ink);
  letter-spacing: -0.02em;
}

.match-score__unit {
  font-size: 0.95rem;
  font-weight: 700;
  color: var(--matcher-warm-ink);
}

.match-summary {
  min-width: 0;
  padding-top: 0.15rem;
}

.match-modal-kicker {
  margin: 0 0 0.35rem;
  font-size: 0.78rem;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--matcher-warm-ink);
}

.match-summary h2 {
  margin: 0 0 0.55rem;
  font-family: var(--font-serif);
  font-size: var(--type-h2-size);
  font-weight: 900;
  line-height: 1.15;
  color: var(--ink);
}

.match-summary__text {
  margin: 0;
  font-size: var(--type-body-size);
  line-height: 1.65;
  color: #3a3f44;
}

.match-analysis {
  display: grid;
  gap: 0.75rem;
  padding-top: 1rem;
}

.match-analysis-item {
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  gap: 0.85rem;
  align-items: center;
  padding: 0.85rem 0.95rem;
  border-radius: 0.85rem;
  background: rgba(255, 255, 255, 0.78);
  box-shadow: 0 8px 24px rgba(30, 36, 42, 0.06);
  border: 1px solid rgba(178, 169, 159, 0.22);
}

.match-analysis-item__text {
  margin: 0;
  font-size: var(--type-body-desc-size);
  line-height: 1.6;
  color: var(--ink);
}

.match-analysis-item__btn {
  flex-shrink: 0;
  border: 0;
  padding: 0.55rem 0.85rem;
  border-radius: 999px;
  background: var(--ink);
  color: #fff;
  font-size: 0.82rem;
  font-weight: 700;
  white-space: nowrap;
  cursor: pointer;
  transition: transform 0.15s ease, opacity 0.15s ease;
}

.match-analysis-item__btn:hover {
  opacity: 0.9;
  transform: translateY(-1px);
}

.match-analysis-item code {
  font-size: 0.85em;
  padding: 0.1em 0.35em;
  border-radius: 0.25rem;
  background: rgba(0, 0, 0, 0.06);
}

@media (max-width: 560px) {
  .match-analysis-item {
    grid-template-columns: 1fr;
    gap: 0.65rem;
  }

  .match-analysis-item__btn {
    justify-self: start;
  }
}

.hero-photo {
  --hero-photo-max-height: calc(100vh - var(--nav-h) - var(--hero-section-v-pad) * 2);
  margin: 0;
  width: min(100%, 400px, calc(var(--hero-photo-max-height) * 598 / 748));
  max-height: none;
  justify-self: end;
  align-self: end;
  background: none;
  box-shadow: none;
  overflow: visible;
}

.hero-photo img {
  display: block;
  width: 100%;
  height: auto;
  max-height: var(--hero-photo-max-height);
  aspect-ratio: 598 / 748;
  object-fit: cover;
  box-shadow: 0 16px 44px rgba(20, 20, 20, 0.12);
}

.about-section {
  overflow: hidden;
}

.about-grid {
  display: grid;
  grid-template-columns: minmax(280px, 0.92fr) minmax(360px, 1.08fr);
  align-items: center;
  justify-content: center;
  gap: clamp(1.5rem, 3.5vw, 3.5rem);
  width: min(100%, 1320px);
  min-height: calc(100vh - var(--nav-h));
  padding: clamp(2rem, 5vh, 3.5rem) 0;
  box-sizing: border-box;
}

.about-left {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  justify-content: center;
  gap: clamp(1.25rem, 2.5vh, 2rem);
  padding-left: var(--section-title-inset);
  margin-top: -15px;
}

.about-heading-row {
  display: grid;
  grid-template-columns: auto auto;
  align-items: center;
  gap: clamp(2rem, 3.2vw, 3.2rem);
  transform: none;
  flex-shrink: 0;
}

.vertical-title {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  gap: 0.2rem;
  line-height: 1;
  font-weight: 900;
}

.vertical-title i {
  width: clamp(4.6rem, 7vw, 7rem);
  height: 1px;
  margin-top: 1.4rem;
  align-self: stretch;
  background: #7e7e7e;
}

.portrait-block {
  display: grid;
  justify-items: center;
  align-self: center;
  transform: translateX(-18px);
}

.about-portrait {
  display: block;
  width: clamp(160px, 14vw, 220px);
  aspect-ratio: 1;
  object-fit: cover;
  border-radius: 50%;
}

.portrait-block h2 {
  margin: 1rem 0 0;
  font-weight: 900;
  letter-spacing: 0.12em;
}

.about-copy {
  width: min(100%, 420px);
  margin: 0;
  padding: 0;
  text-align: left;
  font-weight: 400;
}

.soft-badge {
  display: inline-flex;
  padding: 0.45rem 1.1rem;
  border-radius: 999px;
  color: #3d3d3d;
  background: rgba(235, 239, 244, 0.88);
  font-size: 0.95rem;
  margin-bottom: 1.4rem;
}

.about-copy .about-line {
  margin: 0;
  line-height: 2;
  letter-spacing: 0.02em;
  font-weight: 400;
}

.about-copy .about-line + .about-line {
  margin-top: 0.42rem;
}

.about-copy .about-line--nowrap {
  white-space: nowrap;
}

.about-copy > .about-block:first-of-type {
  margin-top: 1em;
}

.about-copy .about-block + .about-block {
  margin-top: 1em;
}

.about-copy .lead {
  margin-bottom: 2.4rem;
}

.about-copy .stack-line {
  font-size: clamp(1.05rem, 1.35vw, 1.35rem);
  color: #444;
}

.tool-pill-row {
  display: flex;
  flex-wrap: wrap;
  gap: 0.7rem;
  margin-top: 1.7rem;
}

.tool-pill-row span {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 2.2rem;
  padding: 0.2rem 0.9rem;
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.76);
  box-shadow: inset 0 0 0 1px rgba(0, 0, 0, 0.08);
  font-size: 0.95rem;
}

.about-right {
  min-width: 0;
  display: flex;
  justify-content: center;
  align-items: center;
}

.skill-stage {
  position: relative;
  display: grid;
  grid-template-columns: minmax(280px, 360px) minmax(6.5rem, 9rem);
  grid-template-rows: auto auto;
  align-items: center;
  justify-content: center;
  align-content: center;
  column-gap: clamp(2.5rem, 4.2vw, 3.75rem);
  row-gap: 0.85rem;
  width: 100%;
  max-width: 580px;
  transform: translateX(-100px);
}

.tab-stack {
  display: none;
}

.skill-tab {
  width: 58px;
  height: 58px;
  border: 0;
  border-radius: 50%;
  color: transparent;
  font-size: 0;
  cursor: pointer;
  box-shadow: 0 12px 22px rgba(80, 80, 80, 0.14);
  background: rgba(255, 251, 245, 0.9);
  padding: 0;
  transition: transform 0.2s ease, opacity 0.2s ease, box-shadow 0.2s ease;
}

.skill-tab::before {
  content: "";
  display: block;
  width: 42px;
  height: 42px;
  margin: 8px;
  border-radius: 50%;
  background: #ffd0d2;
}

.skill-tab[data-card="product"] {
  transform: translate(58px, -38px);
}

.skill-tab[data-card="analysis"] {
  transform: translate(116px, -76px);
}

.skill-tab[data-card="language"] {
  transform: translate(174px, -114px);
}

.skill-tab[data-card="product"]::before {
  background: #fff9df;
}

.skill-tab[data-card="analysis"]::before {
  background: #b7c5d8;
}

.skill-tab[data-card="language"]::before {
  background: #ddf2d3;
}

.skill-tab:hover,
.skill-tab.active {
  box-shadow: 0 18px 32px rgba(60, 70, 80, 0.2);
}

.skill-tab:hover {
  scale: 1.05;
}

.cards-wrap {
  grid-column: 1;
  grid-row: 1;
  position: relative;
  display: grid;
  width: min(100%, 360px);
  min-height: 400px;
  margin-top: 2.75rem;
  margin-bottom: 0;
  border-radius: 3.4rem;
  background: transparent;
  box-shadow: none;
  isolation: isolate;
  overflow: visible;
}

.stack-layer {
  grid-area: 1 / 1;
  align-self: center;
  justify-self: center;
  pointer-events: none;
  border-radius: 3.2rem;
  box-shadow: 12px 18px 26px rgba(90, 100, 85, 0.12);
}

.stack-layer-1 {
  z-index: 1;
  width: 96%;
  height: 96%;
  background: rgba(230, 239, 250, 0.72);
  transform: translate(18px, -6px) rotate(2deg);
}

.stack-layer-2 {
  z-index: 0;
  width: 92%;
  height: 92%;
  background: rgba(244, 247, 241, 0.68);
  transform: translate(43px, -18px) rotate(4deg);
}

.stack-layer-3 {
  z-index: -1;
  width: 88%;
  height: 88%;
  background: rgba(248, 250, 241, 0.58);
  transform: translate(68px, -30px) rotate(6deg);
}

.skill-card {
  grid-area: 1 / 1;
  position: relative;
  z-index: 2;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: flex-start;
  width: min(100%, 340px);
  min-height: 400px;
  padding: 4.5rem 1.45rem 1.1rem;
  justify-self: center;
  border-radius: 3.2rem;
  background: rgba(255, 255, 255, 0.91);
  box-shadow: var(--shadow), inset 0 0 0 1px rgba(255, 255, 255, 0.75);
  opacity: 0;
  visibility: hidden;
  transform: translateY(16px) scale(0.985);
  pointer-events: none;
  transition: opacity 0.3s ease, transform 0.3s ease, visibility 0.3s ease;
}

.skill-card.active {
  opacity: 1;
  visibility: visible;
  transform: translateY(0) scale(1);
  pointer-events: auto;
}

.skill-card::before {
  content: "";
  position: absolute;
  top: -46px;
  left: 50%;
  width: 104px;
  height: 104px;
  border-radius: 50%;
  transform: translateX(-50%);
  background: rgba(255, 255, 255, 0.96);
  box-shadow: 0 12px 30px rgba(30, 30, 30, 0.13);
}

.card-orb {
  position: absolute;
  top: -34px;
  left: 50%;
  z-index: 2;
  display: grid;
  place-items: center;
  width: 78px;
  height: 78px;
  margin-bottom: 0;
  border-radius: 50%;
  transform: translateX(-50%);
  background: #ffcfd1;
  color: #fff;
  font-size: 0.86rem;
  font-weight: 900;
  box-shadow: inset 0 0 0 12px rgba(255, 255, 255, 0.45);
}

.card-product .card-orb {
  background: #fff8d1;
  color: #f0cb00;
}

.card-analysis {
  background: rgba(239, 245, 252, 0.94);
}

.card-analysis .card-orb {
  background: #aebbd0;
}

.card-language {
  background: rgba(248, 250, 243, 0.94);
}

.card-language .card-orb {
  background: #d6efca;
}

.skill-card h3 {
  min-width: 190px;
  margin: 0.35rem 0 2.15rem;
  padding: 0.62rem 1.25rem;
  border-radius: 1.2rem;
  background: linear-gradient(180deg, rgba(246, 249, 255, 0.96), rgba(255, 255, 255, 0.92));
  box-shadow: inset 0 5px 14px rgba(80, 90, 100, 0.12), 0 2px 10px rgba(50, 60, 70, 0.12);
  text-align: center;
  color: var(--ink);
  letter-spacing: 0.16em;
  font-weight: 900;
}

.skill-card h3::after {
  content: none;
}

.skill-list {
  display: grid;
  grid-template-columns: 1fr;
  gap: 1.18rem;
  width: 100%;
  margin: 0.25rem 0 0;
  padding: 0;
  list-style: none;
  text-align: center;
  line-height: 1.7;
  letter-spacing: 0.08em;
  font-weight: 400;
}

.skill-list li {
  display: block;
  min-height: auto;
  padding: 0;
  border-radius: 0;
  background: transparent;
  color: var(--ink);
}

.logo-row {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  align-items: end;
  justify-items: center;
  gap: 0.65rem;
  width: 100%;
  margin-top: 1.45rem;
}

.logo-row-ai {
  grid-template-columns: 1fr 1fr 1.7fr;
  margin-top: 2.25rem;
}

.card-analysis .logo-row {
  margin-top: 2.25rem;
}

.card-product .logo-row {
  margin-top: 0.7rem;
}

.card-language .cert-grid {
  margin-top: 1.35rem;
}

.logo-row figure {
  display: grid;
  justify-items: center;
  gap: 0.45rem;
  min-width: 0;
  margin: 0;
  padding: 0;
  border-radius: 0;
  background: transparent;
}

.logo-row img {
  width: 58px;
  height: 58px;
  object-fit: contain;
}

.logo-row figcaption {
  font-weight: 400;
  letter-spacing: 0.12em;
}

.logo-row .wide-logo img {
  width: 132px;
  height: 66px;
  object-fit: contain;
}

.figma-line {
  display: grid;
  place-items: center;
  margin: 1.05rem 0 1rem;
}

.figma-line img {
  width: min(270px, 88%);
  height: 76px;
  object-fit: contain;
}

.cert-grid {
  display: grid;
  grid-template-columns: 120px 1fr;
  align-items: center;
  justify-items: start;
  gap: 1.75rem 1.15rem;
  width: 94%;
  margin: 0 auto;
  font-weight: 400;
  letter-spacing: 0.08em;
}

.cert-grid img {
  justify-self: center;
  width: 108px;
  height: 58px;
  object-fit: contain;
}

.cert-grid p {
  margin: 0;
  white-space: nowrap;
  justify-self: start;
  font-weight: 400;
}

.next-card {
  grid-column: 2;
  grid-row: 1;
  align-self: center;
  justify-self: start;
  display: inline-flex;
  flex-direction: row;
  align-items: center;
  gap: 0.75rem;
  margin: 0 0 0 calc(0.25rem + 20px);
  padding: 0.55rem 0.5rem 0.55rem 1rem;
  border: 1px solid rgba(0, 0, 0, 0.1);
  border-radius: 1.15rem;
  background: rgba(255, 255, 255, 0.84);
  color: var(--ink);
  cursor: pointer;
  box-shadow: 0 10px 26px rgba(20, 25, 31, 0.1);
  transition: transform 0.2s ease, box-shadow 0.2s ease, background 0.2s ease;
}

.next-card:focus {
  outline: none;
}

.next-card:focus-visible {
  outline: 2px solid var(--ink);
  outline-offset: 3px;
}

.next-card__label {
  display: block;
  font-size: var(--type-body-size);
  font-weight: 700;
  color: var(--hero-kicker-color, #9a8456);
  letter-spacing: 0.02em;
  line-height: 1.25;
  white-space: nowrap;
}

.next-card__arrow {
  display: grid;
  place-items: center;
  flex: 0 0 auto;
  width: 2.5rem;
  height: 2.5rem;
  border-radius: 50%;
  color: #fff;
  background: var(--pill);
  animation: next-arrow-nudge 1.7s ease-in-out infinite;
  transition: background 0.2s ease;
}

.next-card__arrow svg {
  display: block;
}

.next-card:hover {
  transform: translateY(-2px);
  background: rgba(255, 255, 255, 0.94);
  box-shadow: 0 14px 32px rgba(20, 25, 31, 0.14);
}

.next-card:hover .next-card__arrow {
  background: #3f3f3f;
  animation-play-state: paused;
}

@keyframes next-arrow-nudge {
  0%,
  100% {
    transform: translateX(0);
  }

  50% {
    transform: translateX(4px);
  }
}

.skill-pager {
  grid-column: 1;
  grid-row: 2;
  align-self: end;
  justify-self: center;
  margin: 5px 0 0;
  padding: 0.32rem 0.9rem;
  flex-shrink: 0;
  border-radius: 999px;
  color: #5a5a5a;
  background: rgba(255, 255, 255, 0.55);
  box-shadow: inset 0 0 0 1px rgba(0, 0, 0, 0.06);
  font-size: clamp(0.82rem, 0.95vw, 0.92rem);
  font-weight: 700;
  letter-spacing: 0.14em;
}

.placeholder-section {
  min-height: 1px;
  height: 100vh;
  padding: 0;
}

.work-section {
  height: 100vh;
  min-height: 100vh;
  padding: var(--nav-h) 0 0;
}

.work-shell {
  width: auto;
  height: calc(100vh - var(--nav-h));
  margin: 0 var(--section-shell-inset-r) 0 var(--section-shell-inset-l);
  padding: var(--section-title-gap) 0 40px;
  display: grid;
  grid-template-rows: auto auto minmax(0, 1fr);
  gap: 0;
  overflow: hidden;
  box-sizing: border-box;
  --work-task-image-height: clamp(92px, 11.5vh, 118px);
}

.work-head {
  flex-shrink: 0;
  margin: 0;
}

.section-watermark {
  margin: 0;
  font-family: var(--font-serif);
  font-weight: 900;
  pointer-events: none;
  user-select: none;
  white-space: nowrap;
}

/* 关于我：保留大号装饰英文 */
.section-watermark--block {
  position: relative;
  top: auto;
  display: block;
  font-size: clamp(2.4rem, 4.8vw, 3.6rem);
  line-height: 1;
  letter-spacing: 0.04em;
  color: var(--section-watermark-color);
}

/* 教育 / 工作 / 项目 / 更多：英文标题统一（字号同二级标题 h2） */
.section-watermark--section {
  position: absolute;
  top: 0;
  left: 0;
  font-size: var(--type-h2-size);
  line-height: 1;
  letter-spacing: 0.06em;
  color: var(--section-watermark-color);
}

.section-head--watermark,
.work-head.section-head--watermark,
.project-head.section-head--watermark,
.more-head.section-head--watermark {
  position: relative;
  display: block;
  padding-left: var(--section-title-inset);
}

.section-head--watermark h2,
.work-head.section-head--watermark h2,
.project-head.section-head--watermark h2,
.more-head.section-head--watermark h2 {
  position: relative;
  z-index: 1;
  width: fit-content;
  margin: 0;
  padding-top: calc(var(--type-h2-size) + 0.45rem);
  line-height: 0.95;
  font-weight: 900;
  color: var(--ink);
}

.project-shell--grid .project-head.section-head--watermark {
  padding-left: var(--section-title-inset);
}

.work-overview {
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  gap: clamp(0.85rem, 2vw, 1.35rem);
  align-items: center;
  margin-top: clamp(0.75rem, 2vh, 1.35rem);
}

.work-company {
  display: grid;
  grid-template-columns: minmax(92px, 112px) minmax(0, 1fr);
  gap: clamp(0.55rem, 1.2vw, 0.85rem);
  align-items: center;
  min-width: 0;
}

.company-logo-card {
  display: grid;
  place-items: center;
  justify-self: start;
  width: 100%;
  max-width: 112px;
  min-height: clamp(84px, 10vh, 96px);
  margin: 0;
  border-radius: 14px;
  background: rgba(255, 255, 255, 0.68);
  box-shadow: 0 6px 16px rgba(0, 0, 0, 0.05);
}

.company-logo-card img {
  max-width: 78%;
  max-height: 68px;
  object-fit: contain;
}

.company-meta {
  display: grid;
  gap: clamp(0.65rem, 1.4vh, 0.95rem);
}

.company-meta h3 {
  margin: 0;
  line-height: 1.25;
  font-weight: 900;
}

.company-info {
  display: flex;
  flex-wrap: nowrap;
  align-items: center;
  gap: clamp(1rem, 2.2vw, 2rem);
  min-width: 0;
}

.work-date,
.work-role {
  position: relative;
  display: inline-flex;
  align-items: center;
  flex: 0 0 auto;
  gap: 0.72rem;
  color: #0f0f0f;
  font-weight: var(--type-body-weight);
  line-height: 1.2;
  white-space: nowrap;
}

.work-role {
  min-width: 0;
}

.work-date::before,
.work-role::before {
  display: inline-grid;
  place-items: center;
  flex: 0 0 auto;
  width: 2rem;
  height: 2rem;
  border-radius: 0.38rem;
  border: 2px solid rgba(64, 78, 96, 0.85);
  color: transparent;
}

.work-date::before {
  content: "";
  border-color: rgba(166, 158, 149, 0.95);
  background:
    linear-gradient(rgba(166, 158, 149, 0.9), rgba(166, 158, 149, 0.9)) 50% 34% / 70% 3px no-repeat,
    linear-gradient(rgba(166, 158, 149, 0.42), rgba(166, 158, 149, 0.42)) 50% 58% / 70% 3px no-repeat,
    linear-gradient(rgba(166, 158, 149, 0.42), rgba(166, 158, 149, 0.42)) 50% 76% / 70% 3px no-repeat;
}

.work-role::before {
  content: "";
  border-color: rgba(48, 61, 80, 0.9);
  border-radius: 0.5rem 0.5rem 0.75rem 0.75rem;
  background:
    linear-gradient(rgba(48, 61, 80, 0.75), rgba(48, 61, 80, 0.75)) 50% 35% / 58% 3px no-repeat,
    linear-gradient(rgba(48, 61, 80, 0.45), rgba(48, 61, 80, 0.45)) 50% 57% / 58% 3px no-repeat,
    linear-gradient(rgba(48, 61, 80, 0.45), rgba(48, 61, 80, 0.45)) 50% 76% / 58% 3px no-repeat;
  transform: rotate(13deg);
}

.work-metrics {
  display: grid;
  grid-template-columns: repeat(4, minmax(88px, 108px));
  gap: 0.55rem;
  align-self: center;
}

.work-metric {
  display: grid;
  gap: 0.12rem;
  padding: 0.55rem 0.5rem 0.5rem;
  border-radius: 12px;
  background: rgba(235, 231, 224, 0.55);
  border: 1px solid rgba(170, 160, 151, 0.28);
  text-align: center;
}

.work-metric strong {
  font-size: clamp(1.35rem, 2vw, 1.65rem);
  font-weight: 900;
  line-height: 1;
  color: var(--ink);
}

.work-metric__label {
  font-size: 0.78rem;
  font-weight: 600;
  color: var(--ink);
  line-height: 1.25;
}

.work-metric em {
  font-size: 0.68rem;
  font-style: normal;
  color: var(--type-body-desc-color);
  line-height: 1.2;
}

.work-metric--period {
  padding-bottom: 0.62rem;
}

.work-tasks {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: clamp(0.85rem, 1.8vw, 1.35rem);
  min-height: 0;
  margin-top: clamp(0.85rem, 2vh, 1.35rem);
  align-items: start;
  align-content: start;
}

.work-task-card {
  min-width: 0;
  height: auto;
  display: grid;
  grid-template-rows: auto auto auto;
  gap: 0.55rem;
  padding: 0.78rem 0.82rem 0.72rem;
  border-radius: 16px;
  background: rgba(255, 255, 255, 0.78);
  box-shadow: 0 6px 18px rgba(0, 0, 0, 0.04);
  transition: transform 0.2s ease, box-shadow 0.2s ease;
}

.work-task-card:hover {
  transform: translateY(-2px);
  box-shadow: 0 12px 28px rgba(0, 0, 0, 0.07);
}

.work-task-card__head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 0.5rem;
}

.work-task-card__head h4 {
  margin: 0;
  display: flex;
  align-items: baseline;
  gap: 0.35rem;
  font-weight: 900;
  color: var(--ink);
  line-height: 1.2;
}

.work-task-card__num {
  font-size: 0.9em;
  color: var(--hero-kicker-color);
}

.work-task-card__ext {
  display: grid;
  place-items: center;
  width: 1.5rem;
  height: 1.5rem;
  border-radius: 0.35rem;
  background: rgba(170, 160, 151, 0.18);
  color: var(--matcher-warm-ink);
  font-size: 0.85rem;
  font-weight: 700;
}

.work-task-card__media {
  display: block;
  margin: 0;
  overflow: hidden;
  border-radius: 10px;
  background: transparent;
}

.work-task-card__media img {
  display: block;
  width: 100%;
  height: var(--work-task-image-height);
  max-height: var(--work-task-image-height);
  object-fit: cover;
  object-position: center top;
}

.work-task-card ul {
  display: grid;
  flex-shrink: 0;
  gap: 0.32rem;
  margin: 0;
  padding: 0;
  list-style: none;
  color: #334155;
  line-height: 1.45;
}

.work-task-card li {
  position: relative;
  padding-left: 0.85rem;
  font-size: var(--type-body-desc-size);
}

.work-task-card li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.58em;
  width: 0.3rem;
  height: 0.3rem;
  border-radius: 50%;
  background: #8f877f;
}

.project-section {
  height: 100vh;
  min-height: 100vh;
  padding: var(--nav-h) 0 0;
}

.project-shell {
  width: auto;
  height: calc(100vh - var(--nav-h));
  margin: 0 var(--section-shell-inset-r) 0 var(--section-shell-inset-l);
  padding: var(--section-title-gap) var(--project-detail-inset-x) var(--project-detail-bottom);
  display: grid;
  grid-template-rows: auto minmax(0, 1fr);
  gap: var(--project-detail-gap);
}

.is-first-project .project-shell {
  grid-template-rows: auto minmax(0, 1fr);
}

.project-head {
  flex-shrink: 0;
  display: grid;
  gap: 0.65rem;
  padding-left: 0;
  margin: 0;
}

.project-head-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1.5rem;
}

.project-focus-nav {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
}

.project-focus-tab {
  min-height: 2rem;
  padding: 0.35rem 0.9rem;
  border: 1px solid rgba(0, 0, 0, 0.1);
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.55);
  color: #334155;
  cursor: pointer;
  font-size: 0.82rem;
  font-weight: 800;
  letter-spacing: 0.04em;
  transition: background 0.2s ease, color 0.2s ease, transform 0.2s ease;
}

.project-focus-tab:hover {
  background: rgba(255, 255, 255, 0.88);
  transform: translateY(-1px);
}

.project-focus-tab.is-active {
  color: #fff;
  background: var(--pill);
  border-color: var(--pill);
}

.project-head h2 {
  width: fit-content;
  margin: 0;
  color: var(--ink);
  line-height: 0.95;
  font-weight: 900;
}

.project-pager {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.3rem 0.75rem;
  border-radius: 40px;
  background: rgba(255, 255, 255, 0.82);
  box-shadow: 0 8px 22px rgba(20, 25, 31, 0.06);
  backdrop-filter: blur(8px);
}

.project-arrow {
  display: inline-grid;
  place-items: center;
  width: 2rem;
  height: 2rem;
  border: 0;
  border-radius: 50%;
  color: var(--ink);
  background: rgba(86, 86, 86, 0.1);
  cursor: pointer;
  font-size: 1.35rem;
  line-height: 1;
  transition: opacity 0.2s ease, background 0.2s ease, transform 0.2s ease;
}

.project-arrow:hover:not(:disabled) {
  color: #fff;
  background: var(--pill);
  transform: translateY(-1px);
}

.project-arrow:disabled {
  opacity: 0.45;
  cursor: default;
}

.project-count {
  min-width: 3.1rem;
  color: #334155;
  font-size: 0.9rem;
  font-weight: 800;
  text-align: center;
}

.project-count em {
  font-style: normal;
}

.project-content {
  min-height: 0;
  overflow-x: hidden;
  overflow-y: auto;
  display: grid;
  grid-template-columns: minmax(0, 0.45fr) minmax(0, 0.55fr);
  gap: clamp(1.8rem, 4vw, 4rem);
  align-items: center;
  -webkit-overflow-scrolling: touch;
}

/* —— 项目经历四页：详情区统一间距 —— */
.project-shell--vibe,
.project-shell--panel {
  gap: var(--project-detail-gap);
  padding-bottom: var(--project-detail-bottom);
  grid-template-rows: auto minmax(0, 1fr);
}

.project-shell--vibe > .project-vibe-showcase,
.project-shell--panel > .project-panel {
  min-height: 0;
  max-height: 100%;
}

.project-shell--vibe > .project-vibe-showcase {
  align-content: start;
  align-items: stretch;
  height: 100%;
}

.project-head--vibe .project-head-row {
  align-items: flex-end;
}

.project-title-group {
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  gap: 0.65rem 1rem;
}

.project-subtitle {
  margin: 0;
  color: #6b7280;
  font-weight: var(--type-body-weight);
  letter-spacing: 0.02em;
}

/* —— 项目经历：三卡概览（宽度/间距对齐工作经历） —— */
.project-shell.project-shell--grid {
  display: flex;
  flex-direction: column;
  gap: clamp(0.65rem, 1.4vh, 0.95rem);
  height: calc(100vh - var(--nav-h));
  padding: var(--section-title-gap) 0 2rem;
  grid-template-rows: unset;
}

.project-shell--grid .project-head {
  flex-shrink: 0;
}

.project-grid {
  --project-card-radius: 20px;
  --project-card-image-height: clamp(240px, 30vh, 320px);
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: clamp(1rem, 2vw, 1.45rem);
  align-items: stretch;
  flex: 1 1 auto;
  width: 100%;
  min-height: 0;
  margin-top: clamp(0.35rem, 1vh, 0.75rem);
}

.project-card {
  border: 0;
  margin: 0;
  padding: 0.9rem 0.95rem 1rem;
  border-radius: var(--project-card-radius);
  background: rgba(255, 255, 255, 0.74);
  box-shadow: 0 6px 16px rgba(0, 0, 0, 0.03);
  text-align: left;
  cursor: pointer;
  display: grid;
  grid-template-rows: auto auto auto auto minmax(0, 1fr) auto;
  gap: 0.48rem;
  align-content: stretch;
  min-height: 0;
  height: 100%;
  font: inherit;
  color: var(--ink);
  transition: transform 0.2s ease, box-shadow 0.2s ease;
}

.project-card:hover {
  transform: translateY(-3px);
  box-shadow: 0 14px 32px rgba(0, 0, 0, 0.08);
}

.project-card:focus-visible {
  outline: 2px solid var(--ink);
  outline-offset: 3px;
}

.project-card__top {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 0.5rem;
}

.project-card__index {
  display: grid;
  place-items: center;
  width: 1.8rem;
  height: 1.8rem;
  border-radius: 50%;
  background: var(--project-accent, #b6a6e8);
  color: #fff;
  font-size: 0.74rem;
  font-weight: 800;
  line-height: 1;
}

.project-card__icon {
  width: 1.4rem;
  height: 1.4rem;
  object-fit: contain;
  flex-shrink: 0;
}

.project-card__icon--code,
.project-card__icon--doc {
  display: block;
  background-repeat: no-repeat;
  background-position: center;
  background-size: contain;
}

.project-card__icon--code {
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none'%3E%3Cpath d='M8 7h8M8 12h5M8 17h8' stroke='%23555' stroke-width='1.8' stroke-linecap='round'/%3E%3Cpath d='M6 5.5h12v13H6z' stroke='%23555' stroke-width='1.6'/%3E%3C/svg%3E");
}

.project-card__icon--doc {
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none'%3E%3Cpath d='M8 4.5h8l2 2.5V19a1 1 0 0 1-1 1H7a1 1 0 0 1-1-1V5.5a1 1 0 0 1 1-1Z' stroke='%23555' stroke-width='1.6'/%3E%3Cpath d='M14 4.5V8h3.5' stroke='%23555' stroke-width='1.6'/%3E%3C/svg%3E");
}

.project-card__title {
  margin: 0.12rem 0 0;
  font-family: var(--font-serif);
  font-size: var(--type-h2-size);
  font-weight: 900;
  line-height: 1.15;
  color: var(--ink);
}

.project-card__subtitle {
  margin: 0;
  font-size: var(--type-body-size);
  font-weight: var(--type-body-weight);
  color: var(--ink);
  line-height: 1.45;
  letter-spacing: 0.01em;
  text-align: justify;
  text-justify: inter-ideograph;
}

.project-card__tags {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 0.42rem;
  width: 100%;
  margin: 0;
  padding: 0;
}

.project-card__tags span {
  display: flex;
  align-items: center;
  justify-content: center;
  min-height: 1.65rem;
  padding: 0.22rem 0.35rem;
  border-radius: 0.35rem;
  font-size: var(--type-body-desc-size);
  font-weight: 600;
  color: var(--ink);
  line-height: 1.25;
  text-align: center;
  background: color-mix(in srgb, var(--project-accent, #b6a6e8) 32%, #fff);
  box-shadow: inset 0 0 0 1px color-mix(in srgb, var(--project-accent, #b6a6e8) 18%, transparent);
}

.project-card__media {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 100%;
  min-height: var(--project-card-image-height);
  height: 100%;
  margin: 0.15rem 0 0;
  overflow: hidden;
  border-radius: 12px;
  background: transparent;
}

.project-card__media img {
  display: block;
  width: 100%;
  height: 100%;
  min-height: var(--project-card-image-height);
  max-height: none;
  object-fit: contain;
  object-position: center;
}

.project-card__foot {
  display: flex;
  align-items: flex-end;
  justify-content: space-between;
  gap: 0.65rem;
  margin-top: 0.35rem;
  padding-top: 0.72rem;
  min-height: 3.25rem;
  border-top: 1px dashed rgba(120, 120, 120, 0.22);
}

.project-card__meta {
  display: grid;
  gap: 0.22rem;
  min-width: 0;
  padding-left: 1.45rem;
  background: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 16 16' fill='none'%3E%3Ccircle cx='8' cy='4.8' r='2.1' stroke='%238a7f74' stroke-width='1.4'/%3E%3Cpath d='M3.5 13c.7-2 2.2-3 4.5-3s3.8 1 4.5 3' stroke='%238a7f74' stroke-width='1.4' stroke-linecap='round'/%3E%3C/svg%3E") 0 0.2rem / 1.05rem auto no-repeat;
}

.project-card__meta strong {
  font-size: var(--type-body-size);
  font-weight: 700;
  color: var(--ink);
  line-height: 1.35;
}

.project-card__meta em {
  font-size: var(--type-body-desc-size);
  font-style: normal;
  font-weight: var(--type-body-weight);
  color: var(--type-body-desc-color);
  line-height: 1.45;
}

.project-card__go {
  display: grid;
  flex-shrink: 0;
  place-items: center;
  width: 2.35rem;
  height: 2.35rem;
  border-radius: 50%;
  background: rgba(86, 86, 86, 0.1);
  color: var(--ink);
  font-size: 1.05rem;
  font-weight: 700;
  line-height: 1;
}

.project-modal-backdrop {
  position: fixed;
  inset: 0;
  z-index: 110;
  display: none;
  place-items: center;
  padding: 1.25rem;
  background: rgba(20, 24, 28, 0.48);
}

.project-modal-backdrop.show {
  display: grid;
}

.project-modal {
  position: relative;
  width: min(96vw, 1020px);
  max-height: 90vh;
  overflow: auto;
  padding: 0;
  border-radius: 1rem;
  background: rgba(255, 255, 255, 0.98);
  box-shadow: 0 24px 80px rgba(0, 0, 0, 0.22);
}

.project-modal-close {
  position: sticky;
  top: 0.65rem;
  z-index: 3;
  float: right;
  margin: 0 0.85rem 0 0.5rem;
  border: 0;
  background: rgba(255, 255, 255, 0.85);
  width: 2rem;
  height: 2rem;
  border-radius: 50%;
  font-size: 1.45rem;
  line-height: 1;
  cursor: pointer;
  color: var(--ink);
}

.project-detail-article {
  --project-modal-accent: #b6a6e8;
}

.project-modal-band {
  padding: 1.35rem 1.5rem 1.15rem;
  border-radius: 1rem 1rem 0 0;
  background: color-mix(in srgb, var(--project-modal-accent) 14%, #fff);
  border-bottom: 1px solid color-mix(in srgb, var(--project-modal-accent) 22%, transparent);
}

.project-modal-kicker {
  margin: 0 0 0.4rem;
  color: var(--type-body-desc-color);
  font-size: 0.82rem;
  font-weight: 600;
}

.project-modal-band h3 {
  margin: 0;
  font-family: var(--font-serif);
  font-size: var(--type-h2-size);
  line-height: 1.2;
  font-weight: 900;
  color: var(--ink);
}

.project-modal-lead {
  margin: 0.45rem 0 0.75rem;
  font-size: var(--type-body-size);
  font-weight: var(--type-body-weight);
  color: var(--ink);
  line-height: 1.5;
  text-align: justify;
  text-justify: inter-ideograph;
}

.project-modal-tags {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 0.42rem;
  width: 100%;
}

.project-modal-tags span {
  display: flex;
  align-items: center;
  justify-content: center;
  min-height: 1.65rem;
  padding: 0.22rem 0.4rem;
  border-radius: 0.35rem;
  font-size: var(--type-body-desc-size);
  font-weight: 600;
  color: var(--ink);
  line-height: 1.25;
  text-align: center;
  background: color-mix(in srgb, var(--project-modal-accent) 34%, #fff);
  box-shadow: inset 0 0 0 1px color-mix(in srgb, var(--project-modal-accent) 20%, transparent);
}

#project-detail-vibe .project-modal-tags,
#project-detail-unitree .project-modal-tags {
  grid-template-columns: repeat(4, minmax(0, 1fr));
}

#project-detail-competition .project-modal-tags {
  grid-template-columns: repeat(3, minmax(0, 1fr));
}

.project-modal-body {
  padding: 1.25rem 1.5rem 1.45rem;
  display: grid;
  gap: 1.15rem;
  color: #38444e;
  font-size: var(--type-body-size);
  line-height: 1.65;
}

.project-modal-intro {
  margin: 0;
  color: var(--ink);
  text-align: justify;
  text-justify: inter-ideograph;
}

.project-modal-block {
  display: grid;
  gap: 0.55rem;
}

.project-modal-block h4 {
  margin: 0;
  color: var(--ink);
  font-size: var(--type-h2-size);
  font-weight: 700;
  line-height: 1.3;
}

.project-modal-block p {
  margin: 0;
}

.project-modal-list {
  margin: 0;
  padding-left: 1.1rem;
  color: #475569;
  line-height: 1.6;
}

.project-modal-list li + li {
  margin-top: 0.28rem;
}

.project-modal-link-row {
  margin: 0.15rem 0 0;
}

.project-modal-link-row a {
  color: var(--ink);
  font-weight: 700;
}

.project-modal-resources {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(168px, 1fr));
  gap: 0.65rem;
  margin-top: 0.35rem;
}

.project-resource-link {
  display: flex;
  flex-direction: column;
  gap: 0.2rem;
  padding: 0.72rem 0.85rem;
  border-radius: 0.75rem;
  text-decoration: none;
  color: var(--ink);
  background: rgba(255, 255, 255, 0.88);
  box-shadow: inset 0 0 0 1px rgba(178, 169, 159, 0.35);
  transition: transform 0.15s ease, box-shadow 0.15s ease;
}

.project-resource-link:hover {
  transform: translateY(-1px);
  box-shadow: 0 8px 22px rgba(30, 36, 42, 0.08), inset 0 0 0 1px rgba(178, 169, 159, 0.45);
}

.project-resource-link--external {
  background: color-mix(in srgb, var(--project-modal-accent, #8eb5e8) 12%, #fff);
}

.project-resource-link__label {
  font-size: var(--type-body-size);
  font-weight: 700;
  line-height: 1.3;
}

.project-resource-link__meta {
  font-size: var(--type-body-desc-size);
  color: var(--type-body-desc-color);
  line-height: 1.35;
}

.project-modal-gallery {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 0.75rem;
  margin-top: 0.35rem;
}

.project-modal-gallery--quad {
  grid-template-columns: repeat(2, minmax(0, 1fr));
}

.project-modal-gallery figure,
.project-modal-figure {
  margin: 0;
  overflow: hidden;
  border-radius: 0.65rem;
  background: transparent;
}

.project-modal-gallery img,
.project-modal-figure img {
  display: block;
  width: 100%;
  border-radius: 0.65rem;
  object-fit: contain;
  object-position: center;
}

.project-modal-figure--wide img {
  max-height: min(52vh, 420px);
  margin-inline: auto;
}

.project-modal-gallery--quad img {
  max-height: min(28vh, 220px);
}

.project-modal-gallery:not(.project-modal-gallery--quad) img {
  max-height: min(36vh, 300px);
}

.project-vibe-showcase {
  min-height: 0;
  height: 100%;
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: clamp(0.85rem, 1.8vw, 1.35rem);
  align-items: stretch;
}

.vibe-card {
  min-width: 0;
  min-height: 0;
  height: 100%;
  display: flex;
  flex-direction: column;
  gap: 0.65rem;
  padding: clamp(0.85rem, 1.2vw, 1.15rem) clamp(0.85rem, 1.2vw, 1.15rem) clamp(0.7rem, 1vw, 0.9rem);
  border-radius: 22px;
  background: rgba(255, 255, 255, 0.94);
  box-shadow: 0 18px 42px rgba(20, 25, 31, 0.09);
}

.vibe-card-head,
.vibe-card-tags {
  flex-shrink: 0;
}

.vibe-card-head {
  display: grid;
  grid-template-columns: auto minmax(0, 1fr) auto;
  align-items: center;
  gap: 0.55rem 0.65rem;
}

.vibe-card-icon {
  width: 2rem;
  height: 2rem;
  object-fit: contain;
  flex-shrink: 0;
}

.vibe-card-head h3 {
  margin: 0;
  color: var(--ink);
  font-size: clamp(0.92rem, 1.15vw, 1.12rem);
  line-height: 1.3;
  font-weight: 800;
}

.vibe-open-btn {
  flex-shrink: 0;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 2rem;
  padding: 0.35rem 1.05rem;
  border-radius: 999px;
  color: #fff;
  background: var(--pill);
  font-size: 0.88rem;
  font-weight: 800;
  transition: transform 0.2s ease, opacity 0.2s ease;
}

.vibe-open-btn:hover {
  transform: translateY(-1px);
  opacity: 0.92;
}

.vibe-card-tags {
  display: flex;
  flex-wrap: nowrap;
  justify-content: space-between;
  align-items: center;
  gap: 0.35rem;
  width: 100%;
}

.vibe-card-tags span {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  flex: 0 1 auto;
  min-height: 1.75rem;
  padding: 0.22rem 0.55rem;
  border-radius: 999px;
  color: #4b5563;
  background: rgba(243, 244, 246, 0.95);
  box-shadow: inset 0 0 0 1px rgba(0, 0, 0, 0.06);
  font-size: 0.78rem;
  font-weight: 600;
  line-height: 1.3;
  white-space: nowrap;
}

.vibe-preview {
  flex: 1 1 auto;
  min-height: 0;
  margin: 0;
  display: flex;
  align-items: flex-end;
  justify-content: center;
  overflow: hidden;
  border-radius: 16px;
  background: rgba(248, 247, 244, 0.45);
  line-height: 0;
}

.vibe-preview img {
  display: block;
  width: 100%;
  height: 100%;
  max-height: 100%;
  object-fit: contain;
  object-position: bottom center;
}

/* —— 项目页 2：大赛单卡片布局 —— */

.project-panel {
  min-height: 0;
  height: 100%;
  max-height: 100%;
  display: flex;
  flex-direction: column;
  gap: 0.85rem;
  padding: clamp(1rem, 1.5vw, 1.35rem);
  border-radius: 22px;
  background: rgba(255, 255, 255, 0.94);
  box-shadow: 0 18px 42px rgba(20, 25, 31, 0.09);
  overflow: hidden;
}

.project-panel--competition {
  height: 100%;
  max-height: 100%;
  gap: 0.55rem;
  padding: 0.95rem 1.1rem 1rem;
}

.project-panel--competition .project-panel-tags {
  flex-wrap: wrap;
  gap: 0.4rem;
}

.project-panel-head {
  display: grid;
  grid-template-columns: auto minmax(0, 1fr) auto;
  align-items: center;
  gap: 0.55rem 0.75rem;
}

.project-panel-icon {
  width: 2.4rem;
  height: 2.4rem;
  object-fit: contain;
  border-radius: 50%;
  background: rgba(248, 247, 244, 0.9);
  padding: 0.2rem;
}

.project-panel-head h3 {
  margin: 0;
  color: var(--ink);
  line-height: 1.35;
  font-weight: 800;
}

.project-panel-actions {
  display: flex;
  flex-wrap: wrap;
  justify-content: flex-end;
  gap: 0.5rem;
}

.project-panel-actions .vibe-open-btn[aria-disabled="true"] {
  opacity: 0.58;
  pointer-events: none;
}

.project-panel-tags {
  margin-top: -0.15rem;
}

.project-panel > .project-panel-head,
.project-panel > .project-panel-tags {
  flex-shrink: 0;
}

.project-panel-body {
  flex: 1 1 auto;
  min-height: 0;
  max-height: 100%;
  display: grid;
  grid-template-columns: minmax(0, 0.38fr) minmax(0, 0.62fr);
  gap: clamp(1rem, 2vw, 1.6rem);
  align-items: stretch;
}

.project-panel-intro {
  min-width: 0;
  display: grid;
  gap: 0.55rem;
  align-content: start;
}

.project-panel-intro h4 {
  margin: 0;
  color: var(--ink);
  font-weight: var(--type-subhead-weight);
}

.project-panel-intro h4::before {
  content: "● ";
  color: #8f877f;
}

.project-panel-intro ul {
  margin: 0;
  padding-left: 1.1rem;
  color: #475569;
  line-height: 1.65;
}

.project-panel-intro li + li {
  margin-top: 0.35rem;
}

.project-panel-media {
  min-width: 0;
  min-height: 0;
  display: grid;
  grid-template-columns: minmax(0, 0.42fr) minmax(0, 0.58fr);
  gap: 0.75rem;
  align-items: stretch;
}

.project-panel-shot {
  min-width: 0;
  min-height: 0;
  margin: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  overflow: hidden;
  border-radius: 14px;
  background: transparent;
}

.project-panel-shot img {
  display: block;
  width: 100%;
  height: 100%;
  max-height: min(48vh, 460px);
  object-fit: contain;
  object-position: center center;
}

.project-panel-icon--glyph {
  display: inline-grid;
  place-items: center;
  width: 2.4rem;
  height: 2.4rem;
  border-radius: 50%;
  background: rgba(248, 247, 244, 0.9);
  font-size: 1.15rem;
  line-height: 1;
}

.project-panel-body--competition {
  flex: 1 1 auto;
  min-height: 0;
  max-height: 100%;
  display: grid;
  grid-template-columns: minmax(0, 0.28fr) minmax(0, 0.72fr);
  gap: clamp(0.75rem, 1.4vw, 1.25rem);
  align-items: stretch;
}

.project-panel-body--competition .project-panel-intro {
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  height: 100%;
  min-height: 0;
  gap: 0.45rem;
}

.project-panel-body--competition .project-panel-intro ul {
  flex: 1;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  margin: 0;
  padding-left: 1.05rem;
  line-height: 1.55;
}

.project-panel-body--competition .project-panel-intro li + li {
  margin-top: 0;
}

.project-panel-body--competition .project-panel-media {
  min-width: 0;
  min-height: 0;
  height: 100%;
  display: grid;
  grid-template-columns: minmax(0, 0.46fr) minmax(0, 0.54fr);
  align-items: stretch;
  justify-content: stretch;
  gap: clamp(0.5rem, 1vw, 0.85rem);
}

.project-panel-body--competition .project-panel-shot {
  height: 100%;
  min-height: 0;
  width: 100%;
  margin: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  overflow: hidden;
  border-radius: 12px;
  background: rgba(248, 247, 244, 0.35);
}

.project-panel-body--competition .project-panel-shot img {
  display: block;
  width: 100%;
  height: 100%;
  max-width: 100%;
  max-height: 100%;
  object-fit: contain;
  object-position: center center;
}

.project-panel-body--unitree {
  grid-template-columns: 1fr;
}

.project-panel--unitree {
  gap: 0.6rem;
  padding: clamp(0.9rem, 1.3vw, 1.2rem);
}

.project-panel--unitree > .unitree-layout {
  flex: 1 1 auto;
  min-height: 0;
  max-height: 100%;
  display: flex;
  align-items: stretch;
  justify-content: center;
}

.unitree-layout {
  position: relative;
  width: 100%;
  min-height: 0;
  height: 100%;
  line-height: 0;
}

.unitree-keywords {
  position: absolute;
  top: 3.5%;
  left: 2.5%;
  z-index: 2;
  display: grid;
  grid-template-columns: repeat(2, max-content);
  gap: 0.45rem 0.55rem;
  max-width: 46%;
  width: max-content;
}

.unitree-keywords span {
  max-width: 12.5rem;
  white-space: normal;
  text-align: left;
  line-height: 1.35;
  font-size: 0.74rem;
}

.unitree-layout-img {
  display: block;
  width: 100%;
  height: 100%;
  max-height: none;
  object-fit: contain;
  object-position: center center;
}

.project-panel-section {
  min-width: 0;
  min-height: 0;
  display: grid;
  gap: 0.55rem;
  align-content: start;
}

.project-panel-section h4 {
  margin: 0;
  color: var(--ink);
  font-weight: var(--type-subhead-weight);
}

.project-panel-section h4::before {
  content: "● ";
  color: #8f877f;
}

.project-panel-stack {
  min-width: 0;
  min-height: 0;
  display: grid;
  grid-template-rows: minmax(0, 1fr) minmax(0, 1fr);
  gap: 0.75rem;
}

.project-panel-figure {
  min-width: 0;
  min-height: 0;
  margin: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  overflow: hidden;
  border-radius: 14px;
  background: transparent;
}

.project-panel-figure img {
  display: block;
  width: 100%;
  height: 100%;
  max-height: min(24vh, 240px);
  object-fit: contain;
  object-position: center center;
}

.project-panel-body--unitree .project-panel-section .project-panel-figure img {
  max-height: min(46vh, 440px);
}

/* —— 项目页 4：智慧校园 —— */
.project-panel-logo {
  width: 2.75rem;
  height: 2.75rem;
  object-fit: contain;
  border-radius: 50%;
  background: rgba(248, 247, 244, 0.9);
  padding: 0.15rem;
}

.project-panel--zeluji {
  gap: 0.65rem;
  padding: clamp(0.9rem, 1.3vw, 1.2rem);
}

.project-panel-body--zeluji {
  grid-template-columns: minmax(0, 0.38fr) minmax(0, 0.62fr);
  align-items: stretch;
  flex: 1 1 auto;
  min-height: 0;
  max-height: 100%;
}

.project-panel-copy {
  min-width: 0;
  min-height: 0;
  height: 100%;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  gap: clamp(0.65rem, 1.2vw, 0.95rem);
}

.project-panel-tagline {
  flex-shrink: 0;
}

.project-panel-tagline span {
  white-space: normal;
  text-align: left;
}

.project-panel-block h4 {
  margin: 0 0 0.45rem;
  color: var(--ink);
  font-weight: var(--type-subhead-weight);
}

.project-panel-block h4::before {
  content: "● ";
  color: #8f877f;
}

.project-panel-block .project-panel-tags {
  margin-top: 0;
}

.project-panel-block .vibe-card-tags {
  flex-wrap: wrap;
  justify-content: flex-start;
  gap: 0.4rem;
}

.project-panel-media--zeluji {
  min-width: 0;
  min-height: 0;
  height: 100%;
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  grid-template-rows: minmax(0, 1.12fr) minmax(0, 0.88fr);
  gap: clamp(0.55rem, 1vw, 0.8rem);
  align-items: stretch;
}

.project-panel-media--zeluji .wide {
  grid-column: 1 / -1;
}

.project-panel-media--zeluji .project-panel-figure {
  min-height: 0;
  height: 100%;
  border-radius: 14px;
  background: rgba(248, 247, 244, 0.35);
}

.project-panel-media--zeluji .project-panel-figure img {
  width: 100%;
  height: 100%;
  max-height: none;
  object-fit: contain;
  object-position: center center;
}

.project-content--dual {
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: clamp(1rem, 2vw, 1.6rem);
  align-items: stretch;
}

.project-dual-col {
  min-width: 0;
  display: grid;
  gap: 0.55rem;
  align-content: start;
  padding: 0.85rem 0.9rem 1rem;
  border-radius: 22px;
  background: rgba(255, 255, 255, 0.42);
  box-shadow: 0 10px 28px rgba(20, 25, 31, 0.06);
}

.project-dual-col h3 {
  margin: 0;
  color: var(--ink);
  font-size: clamp(1.05rem, 1.35vw, 1.35rem);
  line-height: 1.25;
  font-weight: 900;
}

.project-dual-shot {
  margin: 0.15rem 0 0;
  min-height: 0;
  overflow: hidden;
  border-radius: 16px;
  background: rgba(255, 255, 255, 0.78);
  box-shadow: 0 10px 24px rgba(20, 25, 31, 0.07);
}

.project-dual-shot img {
  display: block;
  width: 100%;
  height: min(22vh, 200px);
  object-fit: cover;
}

.project-eyebrow,
.project-role {
  margin: 0;
  color: #56616d;
  font-size: 0.88rem;
  font-weight: var(--type-body-weight);
  line-height: 1.5;
}

.project-block h4 {
  margin: 0.35rem 0 0.35rem;
  color: #1f2937;
  font-size: 0.78rem;
  font-weight: 900;
  letter-spacing: 0.12em;
  text-transform: uppercase;
}

.project-chip-list {
  display: flex;
  flex-wrap: wrap;
  gap: 0.4rem;
  margin: 0;
  padding: 0;
  list-style: none;
}

.project-chip-list li {
  display: inline-flex;
  align-items: center;
  min-height: 1.7rem;
  padding: 0.2rem 0.62rem;
  border-radius: 999px;
  color: #334155;
  background: rgba(255, 255, 255, 0.72);
  box-shadow: inset 0 0 0 1px rgba(0, 0, 0, 0.06);
  font-size: 0.78rem;
  font-weight: var(--type-body-weight);
  line-height: 1.35;
}

.project-chip-list.is-outcome li {
  color: #fff;
  background: rgba(143, 135, 127, 0.9);
  box-shadow: none;
}

.project-detail-line {
  margin: 0;
  color: #475569;
  font-size: 0.82rem;
  line-height: 1.55;
}

.project-detail-panel {
  margin-top: 0.35rem;
  padding: 0.75rem 0.85rem;
  border-radius: 14px;
  background: rgba(255, 255, 255, 0.72);
  box-shadow: inset 0 0 0 1px rgba(0, 0, 0, 0.06);
}

.project-detail-panel[hidden] {
  display: none;
}

.project-detail-panel h4 {
  margin: 0.5rem 0 0.25rem;
  color: #1f2937;
  font-size: 0.72rem;
  font-weight: 900;
  letter-spacing: 0.1em;
}

.project-detail-panel h4:first-child {
  margin-top: 0;
}

.project-detail-list {
  margin: 0 0 0.35rem;
  padding-left: 1rem;
  color: #475569;
  font-size: 0.8rem;
  line-height: 1.5;
}

.project-toggle-detail {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 2.35rem;
  padding: 0.45rem 1rem;
  border: 1px solid rgba(0, 0, 0, 0.12);
  border-radius: 40px;
  color: #334155;
  background: rgba(255, 255, 255, 0.55);
  cursor: pointer;
  font-size: 0.86rem;
  font-weight: 800;
  transition: transform 0.2s ease, background 0.2s ease, color 0.2s ease;
}

.project-toggle-detail:hover {
  color: #fff;
  background: var(--pill);
  transform: translateY(-1px);
}

.project-copy {
  min-width: 0;
  display: grid;
  gap: 0.9rem;
  align-content: center;
}

.project-title-line {
  display: flex;
  align-items: center;
  gap: 0.9rem;
}

.project-logo {
  width: 3.3rem;
  height: 3.3rem;
  flex: 0 0 auto;
  object-fit: contain;
  border-radius: 0.85rem;
  background: rgba(255, 255, 255, 0.72);
  padding: 0.35rem;
  box-shadow: 0 8px 22px rgba(20, 25, 31, 0.07);
}

.unitree-logo {
  width: 4.8rem;
}

.project-copy h3 {
  margin: 0;
  color: var(--ink);
  font-size: clamp(1.35rem, 2vw, 2rem);
  line-height: 1.2;
  font-weight: 900;
}

.project-meta {
  margin: 0;
  color: #56616d;
  font-size: 1rem;
  font-weight: 700;
}

.project-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 0.55rem;
}

.project-tags span {
  display: inline-flex;
  align-items: center;
  min-height: 1.95rem;
  padding: 0.28rem 0.8rem;
  border-radius: 999px;
  color: #fff;
  background: rgba(143, 135, 127, 0.88);
  font-size: 0.86rem;
  font-weight: 700;
}

.project-desc {
  margin: 0;
  color: #334155;
  font-size: 0.96rem;
  line-height: 1.78;
  text-align: justify;
}

.project-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.65rem;
  margin-top: 0.2rem;
}

.project-actions a {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 2.35rem;
  padding: 0.45rem 1rem;
  border-radius: 40px;
  color: #1e4a62;
  background: rgba(255, 255, 255, 0.82);
  box-shadow: 0 8px 18px rgba(20, 25, 31, 0.06);
  font-size: 0.9rem;
  font-weight: 800;
  transition: transform 0.2s ease, background 0.2s ease, color 0.2s ease;
}

.project-actions a:hover {
  color: #fff;
  background: var(--pill);
  transform: translateY(-1px);
}

.project-actions a[aria-disabled="true"] {
  opacity: 0.58;
  pointer-events: none;
}

.project-actions .project-toggle-detail {
  margin: 0;
}

.project-media {
  min-height: 0;
  display: grid;
  gap: 1rem;
}

.project-shot {
  min-width: 0;
  min-height: 0;
  margin: 0;
  overflow: hidden;
  border-radius: 20px;
  background: rgba(255, 255, 255, 0.78);
  box-shadow: 0 14px 34px rgba(20, 25, 31, 0.08);
}

.project-section .project-shot {
  background: transparent;
  box-shadow: none;
}

.project-shot img {
  display: block;
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.media-careermod {
  grid-template-columns: 1fr 0.42fr;
  grid-template-rows: minmax(0, 1fr);
  height: min(60vh, 440px);
}

.media-careermod .wide {
  grid-row: 1;
}

.media-careermod .logo-shot img,
.media-unitree .logo-panel img {
  object-fit: contain;
  padding: 2rem;
}

.media-grid-three,
.media-zeluji {
  grid-template-columns: repeat(2, minmax(0, 1fr));
  grid-auto-rows: minmax(150px, 1fr);
  height: min(62vh, 460px);
}

.media-grid-three .wide,
.media-zeluji .wide {
  grid-column: 1 / -1;
}

.media-unitree {
  grid-template-columns: 0.72fr 1fr;
  height: min(58vh, 420px);
}

.media-zeluji-grid {
  grid-template-columns: repeat(2, minmax(0, 1fr));
  grid-auto-rows: minmax(120px, 1fr);
  height: min(58vh, 420px);
}

.media-zeluji-grid .wide {
  grid-column: 1 / -1;
}

.more-section {
  height: 100vh;
  min-height: 100vh;
  padding: var(--nav-h) 0 0;
}

.more-shell {
  width: auto;
  height: calc(100vh - var(--nav-h));
  margin: 0 var(--section-shell-inset-r) 0 var(--section-shell-inset-l);
  padding: var(--section-title-gap) 0 20px;
  display: grid;
  grid-template-rows: auto minmax(0, 1fr);
  gap: var(--section-title-gap);
}

.more-head {
  margin: 0;
}

.more-grid {
  min-height: 0;
  height: 100%;
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(410px, 0.58fr);
  gap: clamp(2rem, 5vw, 5rem);
  align-items: stretch;
}

.contact-panel {
  min-width: 0;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  height: 100%;
  padding-left: 24px;
  /* 与右侧 message-panel translateY(-70px) 对齐发送按钮底边 */
  padding-bottom: 70px;
}

.more-block h3 {
  width: fit-content;
  margin: 0 0 30px;
  color: var(--ink);
  line-height: 1.05;
  font-weight: 900;
}

.more-block h3::after {
  content: "";
  display: block;
  width: 3.4rem;
  height: 1px;
  margin-top: 0.65rem;
  background: rgba(40, 40, 40, 0.45);
}

.contact-pills {
  display: flex;
  flex-wrap: nowrap;
  gap: 1.35rem;
}

.contact-pill {
  display: inline-flex;
  align-items: center;
  gap: 0.55rem;
  min-width: 0;
  min-height: 2.75rem;
  padding: 0.28rem 1.15rem 0.28rem 0.55rem;
  border: 2px solid rgba(10, 10, 10, 0.8);
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.4);
  color: var(--ink);
  font-size: 18px;
  font-weight: 900;
  letter-spacing: 0.05em;
}

.contact-pill > img:first-child {
  width: 2.72rem;
  height: 2.72rem;
  object-fit: contain;
  flex-shrink: 0;
}

.contact-pill span {
  display: inline-flex;
  align-items: center;
  min-height: auto;
  padding: 0;
  border: 0;
  border-radius: 0;
  background: transparent;
  white-space: nowrap;
}

.copy-mark {
  width: 1.05rem;
  height: 1.05rem;
  margin-left: 0.15rem;
  flex-shrink: 0;
  opacity: 0.64;
  object-fit: contain;
}

.contact-panel > .more-block:first-of-type {
  transform: translateY(2px);
}

.discover-block {
  margin-top: -125px;
}

.discover-cards {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: clamp(1.5rem, 4vw, 3rem);
  max-width: 760px;
}

.discover-card {
  position: relative;
  display: grid;
  justify-items: center;
  align-content: center;
  min-height: clamp(158px, 23vh, 205px);
  padding: 1.4rem;
  border: 1px solid rgba(80, 80, 80, 0.26);
  border-radius: 0.8rem;
  color: var(--ink);
  background: rgba(255, 255, 255, 0.42);
  transition: transform 0.2s ease, box-shadow 0.2s ease;
}

.discover-card:hover {
  transform: translateY(-1px);
  box-shadow: 0 14px 34px rgba(20, 25, 31, 0.08);
}

.share-mark {
  position: absolute;
  top: 1rem;
  right: 1rem;
  width: 2.25rem;
  height: 2.25rem;
  opacity: 0.75;
}

.share-mark::before {
  content: "";
  position: absolute;
  left: 0.1rem;
  bottom: 0.15rem;
  width: 1.35rem;
  height: 1.35rem;
  border-left: 4px solid #555;
  border-bottom: 4px solid #555;
  border-radius: 0 0 0 0.25rem;
}

.share-mark::after {
  content: "";
  position: absolute;
  right: 0.05rem;
  top: 0.15rem;
  width: 1.55rem;
  height: 1.15rem;
  background: #555;
  clip-path: polygon(0 46%, 54% 46%, 54% 0, 100% 50%, 54% 100%, 54% 62%, 0 62%);
}

.discover-logo {
  width: clamp(68px, 7.3vw, 106px);
  height: clamp(68px, 7.3vw, 106px);
  object-fit: contain;
  margin-bottom: 0.7rem;
}

.xhs-logo {
  width: clamp(64px, 6.5vw, 94px);
  height: clamp(64px, 6.5vw, 94px);
  border-radius: 0.6rem;
}

.discover-card strong {
  font-size: 20px;
  line-height: 1.1;
  font-weight: 900;
}

.discover-card span {
  margin-top: 0.65rem;
  font-size: 18px;
  font-weight: 400;
  letter-spacing: 0.04em;
}

.message-panel {
  min-width: 0;
  display: grid;
  justify-items: center;
  align-content: start;
  gap: 0.22rem;
  padding-top: 0;
  transform: translateY(-70px);
}

.message-board {
  position: relative;
  width: min(100%, 410px);
  height: 500px;
  background: url("images/more/message-board-bg.png") center / 100% 100% no-repeat;
}

.message-board h3 {
  position: absolute;
  left: 0;
  right: 0;
  top: 110px;
  margin: 0;
  color: var(--ink);
  font-size: 30px;
  font-weight: 900;
  line-height: 1;
  text-align: center;
}

.message-board label {
  position: absolute;
  left: 60px;
  right: 60px;
  display: block;
  color: var(--ink);
  font-size: 20px;
  font-weight: var(--type-subhead-weight);
}

.message-board label:nth-of-type(1) {
  top: 158px;
}

.message-board label:nth-of-type(2) {
  top: 238px;
}

.message-board label:nth-of-type(3) {
  top: 318px;
}

.message-board label span {
  display: block;
  margin-bottom: 5px;
}

.message-board input,
.message-board textarea {
  width: 100%;
  border: 1px solid rgba(196, 201, 205, 0.78);
  border-radius: 14px;
  padding: 0.36rem 0.78rem;
  color: #1d252c;
  background: rgba(255, 255, 255, 0.9);
  resize: vertical;
  font-size: 16px;
  font-weight: 400;
  line-height: 1.35;
  text-align: left;
}

.message-board input::placeholder,
.message-board textarea::placeholder {
  color: #aaa;
  font-size: 16px;
  font-weight: 400;
}

.message-board input {
  height: 38px;
}

.message-board textarea {
  height: 86px;
}

.message-send {
  display: inline-flex;
  align-items: center;
  gap: 0.45rem;
  min-height: 2.5rem;
  padding: 0.42rem 0.48rem 0.42rem 1rem;
  border: 0;
  border-radius: 999px;
  color: #fff;
  background: var(--pill);
  cursor: pointer;
  font-size: clamp(1.1rem, 1.55vw, 1.45rem);
  font-weight: 900;
  letter-spacing: 0.08em;
  transition: background 0.2s ease, transform 0.2s ease;
}

.message-send:hover {
  background: #3f3f3f;
  transform: translateY(-1px);
}

.message-send i {
  display: inline-grid;
  place-items: center;
  width: 1.82rem;
  height: 1.82rem;
  border-radius: 50%;
  color: #fff;
  background: rgba(255, 255, 255, 0.9);
  text-shadow: 0 1px 2px rgba(0, 0, 0, 0.35);
  font-size: 1rem;
  font-style: normal;
}

.message-status {
  min-height: 1.4rem;
  margin: -0.8rem 0 0;
  color: #1e4a62;
  font-size: 0.92rem;
  font-weight: 800;
}

.message-status.error {
  color: #b42318;
}

/* 留言成功 · 微信号提示（独立组件，不改动留言板本体样式） */
.wechat-toast-layer {
  position: fixed;
  inset: 0;
  z-index: 130;
  display: grid;
  place-items: center;
  padding: 1rem;
  background: rgba(20, 24, 28, 0.28);
  opacity: 0;
  transition: opacity 0.35s ease;
  pointer-events: none;
}

.wechat-toast-layer.show {
  opacity: 1;
  pointer-events: auto;
}

.wechat-toast-layer.is-hiding {
  opacity: 0;
  pointer-events: none;
}

.wechat-toast {
  width: min(92vw, 420px);
  padding: 1.15rem 1.25rem 1.1rem;
  border-radius: 1rem;
  border: 1px solid rgba(178, 169, 159, 0.42);
  background: linear-gradient(165deg, #fff 0%, #faf8f5 52%, #f3efe8 100%);
  box-shadow: 0 22px 60px rgba(24, 28, 32, 0.16);
  font-family: var(--font-serif);
  color: var(--ink);
  transform: translateY(8px);
  transition: transform 0.35s ease, opacity 0.35s ease;
}

.wechat-toast-layer.show .wechat-toast {
  transform: translateY(0);
}

.wechat-toast-layer.is-hiding .wechat-toast {
  transform: translateY(-6px);
  opacity: 0.92;
}

.wechat-toast__title {
  margin: 0 0 0.55rem;
  font-size: var(--type-h2-size);
  font-weight: 900;
  line-height: 1.25;
}

.wechat-toast__desc {
  margin: 0 0 0.85rem;
  font-family: var(--font-sans);
  font-size: var(--type-body-desc-size);
  line-height: 1.6;
  color: var(--type-body-desc-color);
}

.wechat-toast__row {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 0.55rem 0.75rem;
}

.wechat-toast__id {
  font-size: var(--type-body-size);
  font-weight: 700;
  letter-spacing: 0.02em;
  word-break: break-all;
}

.wechat-toast__copy {
  border: 0;
  padding: 0.48rem 0.9rem;
  border-radius: 999px;
  background: var(--pill);
  color: #fff;
  font-family: var(--font-sans);
  font-size: 0.88rem;
  font-weight: 700;
  cursor: pointer;
  transition: background 0.2s ease, transform 0.2s ease;
}

.wechat-toast__copy:hover {
  transform: translateY(-1px);
}

.wechat-toast__copy.is-copied {
  background: #2f8f4e;
}

.education-section {
  height: 100vh;
  min-height: 100vh;
  padding: var(--nav-h) 0 0;
}

.education-shell {
  --edu-rail-logo-col: 52px;
  --edu-rail-dot-x: calc(var(--edu-rail-logo-col) / 2);
  --edu-stroke: 1px;
  --edu-section-bottom: 40px;
  --edu-cover-width: clamp(158px, 13.5vw, 172px);
  --edu-card-pad: 0.72rem;
  --edu-timeline-gap: 30px;
  --edu-card-height: clamp(
    160px,
    calc(
      (100dvh - var(--nav-h) - 9.5rem - var(--edu-section-bottom) - var(--section-title-gap) * 2 - 60px) / 3
    ),
    176px
  );
  --edu-cover-img-height: calc(var(--edu-card-height) - var(--edu-card-pad) * 2);
  width: auto;
  height: calc(100vh - var(--nav-h));
  margin: 0 var(--section-shell-inset-r) 0 var(--section-shell-inset-l);
  padding: clamp(0.85rem, 2vh, var(--section-title-gap)) 0 var(--edu-section-bottom);
  display: grid;
  grid-template-rows: auto minmax(0, 1fr);
  gap: clamp(0.55rem, 1.2vh, 0.85rem);
  overflow: hidden;
  box-sizing: border-box;
}

.education-section .section-head.section-head--watermark h2 {
  padding-top: calc(var(--type-h2-size) + 0.28rem);
}

/* 教育经历：固定卡片高度（随封面比例），底部保留 40px */
.education-section .timeline {
  display: grid;
  align-content: start;
  flex: 1 1 auto;
  min-height: 0;
  margin-top: clamp(0.1rem, 0.4vh, 0.35rem);
  padding-left: var(--section-title-inset);
  padding-bottom: 0;
  box-sizing: border-box;
  gap: var(--edu-timeline-gap);
  overflow: hidden;
}

.education-section.has-expanded-content .education-shell {
  overflow: visible;
}

.education-section.has-expanded-content .timeline {
  display: grid;
  flex: none;
  height: auto;
  overflow: visible;
  gap: 1.15rem;
}

.education-section.has-expanded-content .timeline-item {
  flex: none;
}

.education-section .timeline::before {
  left: calc(var(--edu-rail-dot-x) - var(--edu-stroke) / 2);
  width: 0;
  background: none;
  border-left: var(--edu-stroke) dashed rgba(120, 127, 134, 0.42);
  transform: none;
}

.education-section .timeline-line {
  left: calc(var(--edu-rail-dot-x) - var(--edu-stroke) / 2);
  width: var(--edu-stroke);
  transform: none;
}

.education-section .edu-card,
.education-section .timeline-item.is-open .timeline-body {
  border-width: var(--edu-stroke);
}

.education-section .edu-facts::before,
.education-section .timeline-item.is-open .edu-detail > *:first-child,
.education-section .timeline-item.is-open .detail-grid,
.education-section .timeline-item.is-open .volunteer-detail-card,
.education-section .timeline-item.is-open .master-detail {
  border-top-width: var(--edu-stroke);
}

.education-section .detail-metrics,
.education-section .honor-metrics {
  border-left-width: var(--edu-stroke);
}

.education-section .edu-title-row h3,
.education-section .edu-intro h3 {
  font-size: var(--type-h2-size);
  color: var(--ink);
  font-weight: 900;
}

.education-section .edu-facts span,
.education-section .achievement-card h5,
.education-section .achievement-card p,
.education-section .volunteer-honors,
.education-section .edu-tags span,
.education-section .detail-copy p,
.education-section .volunteer-detail-card h4,
.education-section .volunteer-detail-card p,
.education-section .volunteer-roles,
.education-section .master-copy h4,
.education-section .master-copy p,
.education-section .detail-metrics strong,
.education-section .detail-metrics span,
.education-section .honor-year strong,
.education-section .honor-year em,
.education-section .honor-metrics span,
.education-section .honor-metrics strong,
.education-section .competition-cards strong,
.education-section .competition-cards span,
.education-section .volunteer-honors {
  font-size: var(--type-body-size);
  color: var(--ink);
  font-weight: 400;
}

.education-section .edu-tags span {
  background: rgba(235, 231, 224, 0.92);
  font-weight: 400;
}

.education-section .timeline-item[data-node="bachelor"] .edu-tags span,
.education-section .timeline-item[data-node="master"] .edu-tags span {
  font-size: var(--type-body-size);
  font-weight: 700;
  color: #fff;
  background: rgba(170, 160, 151, 0.92);
  border-radius: var(--edu-card-radius, 0.35rem);
}

.education-section .edu-facts span {
  background: transparent;
}

.education-section .timeline-date {
  font-size: var(--type-body-size);
  color: var(--ink);
  font-weight: 700;
  line-height: 1.5;
  letter-spacing: 0.02em;
}

.education-section .edu-school {
  font-size: var(--type-h2-size);
  color: var(--ink);
  font-weight: 700;
}

.education-section .wechat-link__caption {
  font-size: 12px;
  color: #454545;
}

.section-head {
  display: grid;
  grid-template-columns: auto auto minmax(0, 1fr);
  align-items: end;
  gap: 0.95rem;
  margin: 0;
  padding-left: var(--section-title-inset);
}

.section-head h2 {
  width: fit-content;
  margin: 0;
  line-height: 0.95;
  font-weight: 900;
  background: none;
  -webkit-background-clip: initial;
  color: var(--ink);
}

.section-head h2::after {
  content: none;
}

.section-divider {
  width: 1px;
  height: clamp(3.1rem, 4.5vw, 5.2rem);
  margin-bottom: 0.18rem;
  background: rgba(120, 127, 134, 0.5);
}

.section-head p:not(.section-watermark) {
  margin: 0 0 0.35rem;
  color: #545b61;
  letter-spacing: 0.02em;
  white-space: nowrap;
  font-weight: var(--type-body-weight);
}

.section-head.section-head--watermark {
  display: block;
  grid-template-columns: unset;
  align-items: unset;
  gap: 0;
  padding-left: var(--section-title-inset);
}

.section-head.section-head--watermark .section-watermark {
  margin: 0;
  font-weight: 900;
  pointer-events: none;
  user-select: none;
}

.section-head.section-head--watermark .section-watermark--section,
.education-section .section-head--watermark .section-watermark--section {
  color: var(--section-watermark-color);
  font-size: var(--type-h2-size);
  font-family: var(--font-serif);
  font-weight: 900;
  letter-spacing: 0.06em;
}

.timeline {
  position: relative;
  display: grid;
  align-content: start;
  gap: 1.15rem;
  height: 100%;
  min-height: 0;
}

.education-section .timeline-item {
  align-items: center;
}

.education-section .timeline-item.is-open {
  align-items: start;
}

.timeline::before {
  content: "";
  position: absolute;
  top: 0;
  bottom: 2.8rem;
  left: calc(var(--edu-rail-dot-x, 26px) - var(--edu-stroke, 1px) / 2);
  width: var(--edu-stroke, 1px);
  border-radius: 999px;
  background: rgba(120, 127, 134, 0.38);
}

.timeline-item {
  display: grid;
  grid-template-columns: 170px minmax(0, 1fr);
  gap: 1.15rem;
  align-items: center;
}

.timeline-item.is-open {
  align-items: start;
}

.timeline-rail {
  position: relative;
  display: grid;
  grid-template-columns: var(--edu-rail-logo-col, 52px) 88px;
  column-gap: 0.75rem;
  align-items: center;
  justify-items: start;
  min-height: var(--edu-card-height, 149px);
}

.timeline-dot {
  position: relative;
  z-index: 2;
  display: grid;
  place-items: center;
  grid-column: 1;
  justify-self: center;
  width: 36px;
  height: 36px;
  padding: 6px;
  border-radius: 50%;
  background: rgba(255, 255, 255, 0.96);
  box-shadow: 0 8px 18px rgba(40, 50, 60, 0.1);
  border: 1px solid rgba(170, 160, 151, 0.35);
}

.timeline-dot img {
  width: 100%;
  height: 100%;
  object-fit: contain;
  filter: contrast(1.08) saturate(0.85);
}

.timeline-line {
  position: absolute;
  top: 0;
  bottom: 0;
  left: calc(var(--edu-rail-dot-x, 26px) - var(--edu-stroke, 1px) / 2);
  width: var(--edu-stroke, 1px);
  height: var(--line-height, 134px);
  border-radius: 999px;
  background: transparent;
  transition: height 0.35s ease;
}

.timeline-date {
  grid-column: 2;
  justify-self: center;
  position: static;
  width: auto;
  padding-top: 0;
  line-height: 1.5;
  text-align: center;
  letter-spacing: 0.02em;
}

.timeline-body {
  min-width: 0;
}

.timeline-item.is-open .timeline-body {
  overflow: hidden;
  border: 1px solid rgba(90, 90, 90, 0.22);
  border-radius: 0.35rem;
  background: rgba(255, 255, 255, 0.58);
  backdrop-filter: blur(8px);
}

.edu-card {
  --edu-card-radius: 0.35rem;
  display: grid;
  grid-template-columns: var(--edu-cover-width) minmax(0, 1fr) 176px 44px;
  gap: 0.65rem;
  align-items: stretch;
  height: var(--edu-card-height);
  min-height: var(--edu-card-height);
  max-height: var(--edu-card-height);
  padding: var(--edu-card-pad) 0.85rem;
  border: 1px solid rgba(90, 90, 90, 0.22);
  border-radius: var(--edu-card-radius);
  background: rgba(255, 255, 255, 0.58);
  box-shadow: none;
  backdrop-filter: blur(8px);
  overflow: hidden;
}

.timeline-item.is-open .edu-card {
  height: auto;
  min-height: var(--edu-card-height);
  max-height: none;
  border: 0;
  border-radius: 0;
  background: transparent;
  backdrop-filter: none;
}

.timeline-item[data-node="volunteer"] .edu-card {
  grid-template-columns: var(--edu-cover-width) minmax(0, 1fr) clamp(148px, 14vw, 196px) 44px;
}

.timeline-item[data-node="bachelor"] .edu-card,
.timeline-item[data-node="master"] .edu-card,
.timeline-item[data-node="volunteer"] .edu-card {
  align-items: stretch;
}

.edu-cover {
  position: relative;
  display: flex;
  flex-direction: column;
  margin: 0;
  align-self: stretch;
  height: calc(var(--edu-card-height) - var(--edu-card-pad) * 2);
  min-height: 0;
  color: inherit;
}

.edu-cover img {
  display: block;
  width: 100%;
  flex: 1 1 auto;
  height: 100%;
  min-height: var(--edu-cover-img-height);
  max-height: none;
  border-radius: 0;
  object-fit: cover;
  object-position: center top;
}

.education-section .timeline-item:not(.is-open) .edu-cover img,
.education-section .timeline-item:not(.is-open) .edu-cover.video-cover .edu-cover__frame img {
  min-height: var(--edu-cover-img-height);
}

.edu-cover figcaption,
.edu-cover__label {
  display: block;
  margin-top: 0.28rem;
  text-align: center;
  font-weight: var(--type-body-weight);
  font-size: 0.92rem;
}

.edu-cover__frame {
  position: relative;
  display: block;
}

.edu-cover.video-cover {
  height: calc(var(--edu-card-height) - var(--edu-card-pad) * 2);
}

.edu-cover.video-cover .edu-cover__frame {
  flex: 1 1 auto;
  height: 100%;
  min-height: var(--edu-cover-img-height);
}

.edu-cover.video-cover .edu-cover__frame img {
  width: 100%;
  height: 100%;
  min-height: var(--edu-cover-img-height);
  object-fit: cover;
}

.play-badge {
  position: absolute;
  top: 0.55rem;
  left: 0.55rem;
  z-index: 2;
  display: grid;
  place-items: center;
  width: 2.3rem;
  height: 2.3rem;
  border-radius: 50%;
  color: transparent;
  background: rgba(20, 24, 28, 0.64);
}

.edu-cover.video-cover .play-badge {
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  animation: edu-play-pulse 2.2s ease-in-out infinite;
}

.play-badge::before {
  content: "";
  width: 0;
  height: 0;
  margin-left: 0.12rem;
  border-top: 0.42rem solid transparent;
  border-bottom: 0.42rem solid transparent;
  border-left: 0.62rem solid #fff;
}

@keyframes edu-play-pulse {
  0%,
  100% {
    box-shadow: 0 0 0 0 rgba(255, 255, 255, 0.42);
    transform: translate(-50%, -50%) scale(1);
  }

  50% {
    box-shadow: 0 0 0 12px rgba(255, 255, 255, 0);
    transform: translate(-50%, -50%) scale(1.08);
  }
}

.edu-summary {
  min-width: 0;
  grid-column: 2 / 4;
  align-self: stretch;
  display: grid;
  grid-template-rows: auto auto;
  align-content: center;
  row-gap: clamp(0.78rem, 1.55vh, 1.05rem);
  padding: 0.18rem 0 0.12rem;
}

/* 本科 / 硕士 / 支教：固定卡片高度；院校与关键词同一行 */
.timeline-item[data-node="bachelor"] .edu-summary,
.timeline-item[data-node="master"] .edu-summary,
.timeline-item[data-node="volunteer"] .edu-summary {
  align-content: space-between;
  align-self: stretch;
  padding: 0;
  row-gap: 0.38rem;
  min-height: 0;
  overflow: hidden;
}

.timeline-item[data-node="master"] .edu-intro,
.timeline-item[data-node="volunteer"] .edu-intro {
  gap: 0.26rem;
}

.timeline-item[data-node="master"] .edu-intro h3,
.timeline-item[data-node="volunteer"] .edu-intro h3 {
  margin: 0;
  line-height: 1.12;
}

.timeline-item[data-node="volunteer"] .edu-intro h3 {
  display: -webkit-box;
  -webkit-box-orient: vertical;
  -webkit-line-clamp: 2;
  overflow: hidden;
  font-size: clamp(16px, 1.05vw, var(--type-h2-size));
}

.timeline-item[data-node="volunteer"] .edu-summary {
  grid-column: 2;
  display: grid;
}

.timeline-item[data-node="bachelor"] .edu-intro,
.timeline-item[data-node="master"] .edu-intro,
.timeline-item[data-node="volunteer"] .edu-intro {
  display: grid;
  gap: 0.28rem;
  min-width: 0;
  align-content: start;
}

.timeline-item[data-node="bachelor"] .edu-intro .edu-school-row,
.timeline-item[data-node="master"] .edu-intro .edu-school-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 0.45rem 0.65rem;
  width: 100%;
  min-width: 0;
}

.timeline-item[data-node="bachelor"] .edu-intro .edu-school,
.timeline-item[data-node="master"] .edu-intro .edu-school,
.timeline-item[data-node="volunteer"] .edu-intro .edu-school {
  margin: 0;
  flex: 0 1 auto;
  min-width: 0;
}

.timeline-item[data-node="bachelor"] .edu-intro .edu-tags,
.timeline-item[data-node="master"] .edu-intro .edu-tags {
  display: flex;
  flex: 0 0 auto;
  flex-wrap: nowrap;
  justify-content: flex-end;
  align-items: center;
  gap: 0.35rem;
  width: auto;
  max-width: 58%;
  margin-left: auto;
}

.timeline-item[data-node="bachelor"] .edu-intro .edu-tags span,
.timeline-item[data-node="master"] .edu-intro .edu-tags span {
  width: auto;
  min-height: 1.5rem;
  padding: 0.16rem 0.5rem;
  white-space: nowrap;
}

.timeline-item[data-node="bachelor"] .edu-intro h3,
.timeline-item[data-node="master"] .edu-intro h3,
.timeline-item[data-node="volunteer"] .edu-intro h3 {
  margin: 0;
  font-weight: 900;
  line-height: 1.1;
}

.edu-school-row {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 0.45rem 0.6rem;
  min-width: 0;
}

.edu-school-row .edu-school {
  margin: 0;
  flex: 0 0 auto;
}

.timeline-item[data-node="bachelor"] .edu-facts,
.timeline-item[data-node="master"] .edu-facts,
.timeline-item[data-node="volunteer"] .edu-facts {
  display: flex;
  flex-wrap: nowrap;
  justify-content: space-between;
  align-items: center;
  width: 100%;
  margin-top: 0;
  padding-top: 0.38rem;
  gap: 0.28rem 0.2rem;
  grid-template-columns: unset;
  flex-shrink: 0;
}

.education-section .timeline-item:not(.is-open) .edu-facts span {
  font-size: var(--type-body-desc-size);
  color: var(--ink);
  font-weight: 400;
}

.education-section .achievement-card h5,
.education-section .achievement-card p {
  font-size: var(--type-body-desc-size);
}

.education-section .achievement-card h5 {
  margin: 0 0 0.45rem;
  font-weight: 700;
  line-height: 1.35;
  color: var(--ink);
}

.education-section .achievement-card p {
  line-height: 1.55;
  color: var(--type-body-desc-color);
  font-weight: 400;
}

.timeline-item[data-node="volunteer"] .edu-facts {
  display: flex;
  flex-wrap: nowrap;
  justify-content: space-between;
  grid-template-columns: unset;
}

.timeline-item[data-node="volunteer"] .edu-facts span:last-child {
  flex: 1 1 auto;
  min-width: 0;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.edu-title-row {
  display: grid;
  grid-template-columns: auto minmax(0, 1fr);
  gap: 0.45rem 1.15rem;
  align-items: start;
  transform: none;
}

.edu-title-stack {
  min-width: 0;
}

.edu-title-row h3 {
  margin: 0;
  font-weight: 900;
  line-height: 1.1;
}

.edu-school {
  display: block;
  margin: 0;
  font-size: var(--type-h2-size);
  font-weight: 700;
  color: var(--ink);
  line-height: 1.2;
  letter-spacing: 0.02em;
  white-space: nowrap;
}

.edu-tags,
.edu-facts {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
}

.edu-tags {
  width: 100%;
  justify-content: end;
  display: grid;
  grid-template-columns: repeat(3, 116px);
  gap: clamp(1rem, 3vw, 3.6rem);
}

.edu-tags span {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 100%;
  min-height: 1.35rem;
  padding: 0.1rem 0.4rem;
  border-radius: var(--edu-card-radius, 0.35rem);
  line-height: 1.25;
  text-align: center;
}

.edu-facts span,
.honor-tags span {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: auto;
  min-height: 1.95rem;
  padding: 0.25rem 0.7rem;
  border-radius: 999px;
}

.edu-facts {
  position: relative;
  grid-column: 1 / -1;
  align-self: start;
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  justify-content: space-between;
  align-items: center;
  gap: 0.35rem 0.5rem;
  margin-top: 0;
  padding-top: 0.42rem;
  transform: none;
}

.edu-facts::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 1px;
  border-top: 1px dashed rgba(120, 120, 120, 0.32);
}

.edu-facts span {
  display: inline-flex;
  align-items: center;
  width: auto;
  max-width: 100%;
  background: transparent;
  padding: 0;
  min-height: auto;
  gap: 0.38rem;
  line-height: 1.4;
  font-size: var(--type-body-size);
}

.timeline-item[data-node="bachelor"] .edu-facts span,
.timeline-item[data-node="master"] .edu-facts span,
.timeline-item[data-node="volunteer"] .edu-facts span {
  flex: 0 1 auto;
  white-space: nowrap;
}

.edu-fact-mark {
  display: inline-block;
  flex: 0 0 auto;
  width: 1.125rem;
  height: 1.125rem;
  border-radius: 0.3rem;
  background-color: rgba(170, 160, 151, 0.16);
  background-repeat: no-repeat;
  background-position: center;
  background-size: 0.7rem 0.7rem;
}

.edu-fact-mark--metric {
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 16 16' fill='none'%3E%3Cpath d='M3 12V8M8 12V5M13 12V3' stroke='%238a7f74' stroke-width='1.6' stroke-linecap='round'/%3E%3C/svg%3E");
}

.edu-fact-mark--role {
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 16 16' fill='none'%3E%3Ccircle cx='8' cy='5.2' r='2.2' stroke='%238a7f74' stroke-width='1.5'/%3E%3Cpath d='M3.5 13c.8-2.2 2.4-3.3 4.5-3.3s3.7 1.1 4.5 3.3' stroke='%238a7f74' stroke-width='1.5' stroke-linecap='round'/%3E%3C/svg%3E");
}

.edu-fact-mark--award {
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 16 16' fill='none'%3E%3Cpath d='M5.2 2.8h5.6l.9 3.2-3.7 2.4-3.7-2.4.9-3.2Z' stroke='%238a7f74' stroke-width='1.4' stroke-linejoin='round'/%3E%3Cpath d='M5.8 12.2 8 14.5l2.2-2.3M8 8.4v6.1' stroke='%238a7f74' stroke-width='1.4' stroke-linecap='round'/%3E%3C/svg%3E");
}

.edu-fact-mark--honor {
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 16 16' fill='none'%3E%3Cpath d='M8 2.4l1.2 2.5 2.7.4-2 1.9.5 2.7L8 8.6 5.6 9.9l.5-2.7-2-1.9 2.7-.4L8 2.4Z' stroke='%238a7f74' stroke-width='1.35' stroke-linejoin='round'/%3E%3C/svg%3E");
}

.edu-fact-mark--time {
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 16 16' fill='none'%3E%3Ccircle cx='8' cy='8' r='5.2' stroke='%238a7f74' stroke-width='1.5'/%3E%3Cpath d='M8 5.2V8l2.2 1.3' stroke='%238a7f74' stroke-width='1.5' stroke-linecap='round'/%3E%3C/svg%3E");
}

.edu-fact-mark--place {
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 16 16' fill='none'%3E%3Cpath d='M8 2.6c2 0 3.6 1.5 3.6 3.4 0 2.6-3.6 7-3.6 7s-3.6-4.4-3.6-7c0-1.9 1.6-3.4 3.6-3.4Z' stroke='%238a7f74' stroke-width='1.4' stroke-linejoin='round'/%3E%3Ccircle cx='8' cy='6' r='1.2' fill='%238a7f74'/%3E%3C/svg%3E");
}

.volunteer-roles {
  margin: 0.35rem 0 0.55rem;
  color: var(--type-body-desc-color);
  font-size: var(--type-body-desc-size);
  line-height: 1.65;
}

.wechat-link {
  grid-column: 3;
  grid-row: 1;
  display: grid;
  align-self: center;
  align-items: center;
  justify-items: center;
  gap: 0.4rem;
  margin-top: 0;
  padding: 0;
  border-radius: 0;
  background: transparent;
  box-shadow: none;
  font-weight: 700;
  text-decoration: none;
  color: inherit;
}

.wechat-link img {
  width: 174px;
  height: 86px;
  max-height: calc(var(--edu-card-height) - var(--edu-card-pad) * 2 - 1.75rem);
  object-fit: contain;
}

.education-section .timeline-item:not(.is-open) .wechat-link {
  align-self: stretch;
  align-content: center;
}

.education-section .timeline-item:not(.is-open) .wechat-link img {
  width: auto;
  max-width: 100%;
  height: clamp(40px, 6.5vh, 56px);
}

.wechat-link__caption {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  margin: 0;
  padding: 0.2rem 0.72rem;
  min-height: 1.5rem;
  border: 1px solid rgba(0, 0, 0, 0.1);
  border-radius: 999px;
  background: rgba(120, 127, 134, 0.16);
  text-align: center;
  line-height: 1.3;
  font-size: 12px;
  font-weight: 500;
  color: #454545;
  transition: background 0.2s ease, border-color 0.2s ease;
}

.wechat-link:hover .wechat-link__caption {
  background: rgba(120, 127, 134, 0.24);
  border-color: rgba(0, 0, 0, 0.14);
}

.expand-btn {
  grid-column: 4;
  grid-row: 1;
  justify-self: center;
  align-self: center;
  display: grid;
  place-items: center;
  width: 40px;
  height: 40px;
  border: 0;
  border-radius: 50%;
  background: transparent;
  cursor: pointer;
}

.expand-icon {
  width: 32px;
  height: 32px;
  object-fit: contain;
}

.icon-close,
.timeline-item.is-open .icon-open {
  display: none;
}

.timeline-item.is-open .icon-close {
  display: block;
}

.edu-detail {
  max-height: 0;
  overflow: hidden;
  transition: max-height 0.38s ease, opacity 0.25s ease;
  opacity: 0;
}

.timeline-item.is-open .edu-detail {
  max-height: 2200px;
  opacity: 1;
  padding: 0 0.95rem 0.95rem;
}

.edu-detail > * {
  min-height: initial;
}

.detail-grid,
.volunteer-detail-card,
.master-detail {
  margin-top: 1rem;
  padding: 1.2rem;
  border-radius: 1.4rem;
  background: rgba(255, 255, 255, 0.74);
  box-shadow: 0 14px 42px rgba(35, 45, 55, 0.08);
}

.timeline-item.is-open .detail-grid,
.timeline-item.is-open .volunteer-detail-card,
.timeline-item.is-open .master-detail {
  margin-top: 0;
  padding: 0.85rem 0.4rem 0.95rem 3.2rem;
  border-top: 1px solid rgba(120, 120, 120, 0.22);
  border-radius: 0;
  background: transparent;
  box-shadow: none;
}

.timeline-item[data-node="bachelor"].is-open .detail-grid {
  position: relative;
  align-items: start;
  gap: 0.85rem;
}

.timeline-item[data-node="bachelor"].is-open .detail-grid::before {
  position: absolute;
  top: 0.85rem;
  left: 0.4rem;
  display: grid;
  place-items: center;
  width: 2rem;
  height: 2rem;
  border-radius: 0.65rem;
  color: #fff;
  background: rgba(170, 160, 151, 0.95);
  font-size: 0.9rem;
  font-weight: 800;
}

.timeline-item[data-node="bachelor"].is-open .erp-detail::before {
  content: "01";
}

.timeline-item[data-node="bachelor"].is-open .honors-detail::before {
  content: "02";
}

.timeline-item[data-node="bachelor"].is-open .competition-detail::before {
  content: "03";
}

.timeline-item.is-open .edu-detail > *:first-child {
  border-top: 1px solid rgba(120, 120, 120, 0.24);
}

.timeline-item:not([data-node="bachelor"]).is-open .volunteer-detail-card,
.timeline-item:not([data-node="bachelor"]).is-open .master-detail {
  padding-left: 0.4rem;
}

.detail-grid {
  display: grid;
  grid-template-columns: minmax(210px, 1fr) minmax(260px, 1.1fr) auto;
  gap: 1rem;
  align-items: center;
}

.honors-detail,
.competition-detail {
  grid-template-columns: minmax(260px, 1fr) minmax(280px, 0.9fr);
}

.detail-copy h4,
.volunteer-detail-card h4,
.master-copy h4 {
  margin: 0;
  font-size: 0.98rem;
  font-weight: var(--type-subhead-weight);
  line-height: 1.35;
}

.detail-kicker {
  display: inline-flex;
  margin: 0.35rem 0 0.55rem;
  color: #65727e;
  font-size: 0.82rem;
}

.timeline-item[data-node="bachelor"] .detail-copy__head {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 0.55rem 0.65rem;
  margin: 0 0 0.6rem;
}

.timeline-item[data-node="bachelor"] .detail-copy h4 {
  margin: 0;
  font-size: var(--type-body-size);
  font-weight: 700;
  color: var(--ink);
  line-height: 1.35;
  white-space: nowrap;
}

.timeline-item[data-node="bachelor"] .detail-kicker {
  display: inline-flex;
  align-items: center;
  margin: 0;
  padding-left: 0.65rem;
  border-left: 1px solid rgba(120, 127, 134, 0.42);
  font-size: var(--type-body-desc-size);
  color: var(--type-body-desc-color);
  font-weight: 400;
  line-height: 1.4;
  letter-spacing: 0.02em;
}

.timeline-item[data-node="bachelor"] .detail-copy p {
  margin: 0;
  font-size: var(--type-body-desc-size);
  color: var(--type-body-desc-color);
  line-height: 1.65;
}

.timeline-item[data-node="bachelor"] .honor-history {
  margin-top: 0;
}

.detail-copy p,
.volunteer-detail-card p,
.master-copy p {
  margin: 0.4rem 0 0;
  color: #38444e;
  font-size: 0.82rem;
  line-height: 1.72;
}

.two-images {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 0.7rem;
}

.two-images img,
.volunteer-gallery img {
  width: 100%;
  height: 132px;
  border-radius: 1rem;
  object-fit: cover;
  cursor: zoom-in;
}

.detail-metrics,
.honor-metrics {
  display: grid;
  gap: 0.9rem;
  padding-left: 1rem;
  border-left: 1px solid rgba(110, 118, 126, 0.34);
}

.detail-metrics div {
  display: grid;
}

.detail-metrics strong,
.honor-metrics strong {
  font-size: 1.35rem;
}

.detail-metrics span {
  color: #222;
  font-size: 0.85rem;
}

.honor-history {
  position: relative;
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 0.55rem;
  margin-top: 0.35rem;
  padding: 0.1rem 0 0.15rem;
}

.honor-history::before {
  content: "";
  position: absolute;
  left: 9%;
  right: 9%;
  top: calc(1.1rem + 0.42rem + 0.37rem);
  height: 1px;
  background: rgba(139, 148, 158, 0.42);
}

.honor-year {
  position: relative;
  z-index: 1;
  display: grid;
  justify-items: center;
  gap: 0.42rem;
  min-width: 0;
  text-align: center;
}

.honor-year strong {
  color: #354555;
  font-size: 1rem;
  font-weight: 800;
  line-height: 1;
}

.honor-year span {
  position: relative;
  width: 0.74rem;
  height: 0.74rem;
  border: 2px solid rgba(255, 255, 255, 0.96);
  border-radius: 50%;
  background: linear-gradient(135deg, #8aa5bd, #d9b98e);
  box-shadow: 0 0 0 3px rgba(139, 158, 176, 0.18);
}

.honor-year em {
  display: block;
  color: #53616e;
  font-size: 0.82rem;
  font-style: normal;
  line-height: 1.35;
}

.honor-metrics button,
.competition-cards button {
  position: relative;
  border: 0;
  border-radius: 1rem;
  padding: 0.8rem 1rem;
  color: #1d252c;
  background: rgba(241, 245, 249, 0.9);
  cursor: pointer;
  text-align: left;
}

.honor-metrics button::after,
.competition-cards button::after {
  content: "点击查看更多";
  position: absolute;
  right: 0.8rem;
  top: -1.7rem;
  opacity: 0;
  padding: 0.25rem 0.55rem;
  border-radius: 0.45rem;
  color: #fff;
  background: #777;
  font-size: 0.75rem;
  transition: opacity 0.2s ease;
}

.honor-metrics button:hover::after,
.competition-cards button:hover::after {
  opacity: 1;
}

.competition-cards {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1rem;
}

.volunteer-gallery {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 0.8rem;
  margin-top: 1rem;
}

.volunteer-honors {
  margin-top: 0.9rem;
  padding: 0.7rem 1rem;
  border-radius: 999px;
  background: rgba(241, 245, 249, 0.92);
  text-align: center;
  font-weight: 700;
}

.master-detail {
  display: grid;
  grid-template-columns: minmax(230px, 0.85fr) minmax(320px, 1.15fr);
  gap: 1.5rem;
  align-items: center;
}

.achievement-carousel {
  position: relative;
  min-height: 250px;
  overflow: hidden;
}

.achievement-track {
  position: relative;
  height: 190px;
}

.achievement-card {
  position: absolute;
  inset: 0;
  display: grid;
  align-content: center;
  width: 78%;
  min-height: 172px;
  margin: auto;
  padding: 1.3rem;
  border-radius: 1.2rem;
  background: rgba(255, 255, 255, 0.92);
  box-shadow: 0 18px 40px rgba(30, 42, 56, 0.14);
  transition: transform 0.32s ease, opacity 0.32s ease, z-index 0.32s ease;
}

.achievement-card h5 {
  margin: 0 0 0.7rem;
  font-size: 1.35rem;
}

.achievement-card p {
  margin: 0;
  line-height: 1.65;
}

.carousel-arrow {
  position: absolute;
  top: 42%;
  z-index: 8;
  width: 34px;
  height: 34px;
  border: 0;
  border-radius: 50%;
  background: rgba(80, 80, 80, 0.84);
  color: #fff;
  cursor: pointer;
}

.carousel-arrow.prev {
  left: 0;
}

.carousel-arrow.next {
  right: 0;
}

.carousel-dots {
  display: flex;
  justify-content: center;
  gap: 0.45rem;
  margin-top: 0.8rem;
}

.carousel-dots button {
  width: 9px;
  height: 9px;
  border: 0;
  border-radius: 50%;
  background: rgba(70, 80, 90, 0.28);
  cursor: pointer;
}

.carousel-dots button.active {
  width: 24px;
  border-radius: 999px;
  background: #5e6d7c;
}

.modal-backdrop,
.lightbox-backdrop {
  position: fixed;
  inset: 0;
  z-index: 100;
  display: none;
  place-items: center;
  padding: 1.5rem;
  background: rgba(20, 24, 28, 0.42);
}

.modal-backdrop.show,
.lightbox-backdrop.show {
  display: grid;
}

.award-modal {
  width: min(92vw, 620px);
  max-height: 78vh;
  overflow: auto;
  padding: 1.4rem;
  border-radius: 1.2rem;
  background: rgba(255, 255, 255, 0.96);
  box-shadow: 0 20px 80px rgba(0, 0, 0, 0.2);
}

.award-modal h3 {
  margin: 0 0 0.8rem;
}

.award-modal ul {
  margin: 0;
  padding-left: 1.2rem;
  line-height: 1.8;
}

.modal-close {
  float: right;
  border: 0;
  background: transparent;
  font-size: 1.4rem;
  cursor: pointer;
}

.lightbox-backdrop img {
  max-width: 92vw;
  max-height: 86vh;
  border-radius: 1rem;
  box-shadow: 0 22px 90px rgba(0, 0, 0, 0.3);
}

.reveal {
  animation: rise-in 0.72s ease both;
}

.reveal-delay {
  animation-delay: 0.12s;
}

@keyframes rise-in {
  from {
    opacity: 0;
    transform: translateY(18px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

@media (max-width: 1199px) {
  :root {
    --nav-h: 66px;
    --section-shell-inset-l: 1.5rem;
    --section-shell-inset-r: 1.5rem;
    --section-title-inset: 0px;
  }

  .site-header {
    padding: 0.5rem 1.5rem;
  }

  .brand img {
    width: 48px;
    height: 48px;
  }

  .nav-menu {
    gap: 1rem;
  }

  .nav-link {
    min-width: auto;
  }

  .hero-grid,
  .about-grid {
    grid-template-columns: 1fr;
    align-items: center;
    --hero-section-v-pad: clamp(1.5rem, 5vh, 2.5rem);
    padding-top: var(--hero-section-v-pad);
    padding-bottom: var(--hero-section-v-pad);
  }

  .hero-photo {
    align-self: center;
    width: min(100%, 380px, calc(var(--hero-photo-max-height) * 598 / 748));
  }

  .hero-copy {
    align-self: auto;
  }

  .matcher-card {
    margin-top: 10px;
  }

  .about-grid {
    justify-content: stretch;
    padding: clamp(1.5rem, 4vh, 2.5rem) 0;
  }

  .skill-stage {
    grid-template-columns: 1fr;
    transform: none;
  }

  .next-card {
    grid-column: 1;
    margin-top: 1.5rem;
  }

  .education-section {
    height: 100vh;
  }

  .education-shell {
    padding-top: clamp(1rem, 3vh, var(--section-title-gap));
  }

  .work-shell {
    height: calc(100vh - var(--nav-h));
    padding: clamp(2rem, 6vh, 4.5rem) 0 2rem;
  }

  .work-overview {
    grid-template-columns: 1fr;
  }

  .work-metrics {
    grid-template-columns: repeat(4, minmax(0, 1fr));
    width: 100%;
  }

  .work-company {
    grid-template-columns: minmax(92px, 112px) minmax(0, 1fr);
  }

  .company-info {
    flex-wrap: wrap;
    gap: 0.75rem 1rem;
  }

  .work-date,
  .work-role {
    white-space: nowrap;
  }

  .work-tasks {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .work-task-card:last-child {
    grid-column: 1 / -1;
  }

  .project-grid {
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: clamp(1.1rem, 2.35vw, 1.8rem);
  }

  .project-shell {
    padding: clamp(2rem, 6vh, 4.5rem) var(--project-detail-inset-x) var(--project-detail-bottom);
  }

  .project-content {
    grid-template-columns: 1fr;
    gap: 1.5rem;
    align-items: start;
  }

  .project-copy {
    align-content: start;
  }

  .project-media,
  .media-careermod,
  .media-grid-three,
  .media-unitree,
  .media-zeluji {
    height: min(40vh, 330px);
  }

  .media-careermod,
  .media-unitree {
    grid-template-columns: 1fr 0.45fr;
  }

  .more-shell {
    padding: clamp(2rem, 6vh, 4.5rem) 0 2rem;
  }

  .more-grid {
    gap: 1rem;
  }

  .contact-pills {
    gap: 1rem;
  }

  .contact-pill {
    font-size: 1.15rem;
  }

  .discover-cards {
    gap: 1rem;
  }

  .message-board {
    width: min(100%, 350px);
    padding: 104px 48px 48px;
  }

  .timeline-item {
    grid-template-columns: 92px minmax(0, 1fr);
  }

  .edu-card {
    grid-template-columns: 160px minmax(0, 1fr) 48px;
  }

  .detail-grid,
  .honors-detail,
  .competition-detail,
  .master-detail {
    grid-template-columns: 1fr;
  }

  .detail-metrics,
  .honor-metrics {
    border-left: 0;
    border-top: 1px solid rgba(110, 118, 126, 0.34);
    padding-left: 0;
    padding-top: 1rem;
  }
}

@media (max-width: 767px) {
  :root {
    --nav-h: 72px;
    --section-shell-inset-l: 1rem;
    --section-shell-inset-r: 1rem;
    --section-title-gap: 1.2rem;
    --type-h1-size: clamp(3.4rem, 17vw, 5rem);
    --type-h2-size: 22px;
    --type-body-size: 17px;
    --type-h2-desc-size: 17px;
    --type-body-desc-size: 15px;
    --detail-body-size: var(--type-body-size);
    --project-detail-bottom: 28px;
    --project-detail-area-h: calc(
      100vh - var(--nav-h) - 1rem - var(--project-detail-gap) - var(--project-detail-bottom) - 10.5rem
    );
  }

  .site-header {
    min-height: var(--nav-h);
    padding: 0.55rem 1rem;
  }

  .brand img {
    width: 50px;
    height: 50px;
  }

  .brand-name {
    font-size: 1.05rem;
  }

  .menu-toggle {
    display: block;
  }

  .nav-menu {
    position: fixed;
    top: var(--nav-h);
    left: 1rem;
    right: 1rem;
    display: grid;
    gap: 0.45rem;
    padding: 1rem;
    border-radius: 1.2rem;
    background: rgba(255, 255, 255, 0.92);
    box-shadow: 0 18px 55px rgba(20, 30, 40, 0.14);
    opacity: 0;
    visibility: hidden;
    transform: translateY(-10px);
    transition: opacity 0.2s ease, transform 0.2s ease, visibility 0.2s ease;
  }

  .nav-menu.is-open {
    opacity: 1;
    visibility: visible;
    transform: translateY(0);
  }

  .nav-link {
    justify-content: flex-start;
    padding: 0.75rem 1rem;
    font-size: 1.05rem;
  }

  .section {
    height: 100vh;
    min-height: 100vh;
    padding: calc(var(--nav-h) + 1.5rem) 1rem 3rem;
  }

  .page-shell {
    min-height: auto;
  }

  .hero-grid {
    gap: 2rem;
  }

  .eyebrow {
    font-size: clamp(3.6rem, 17vw, 5.2rem);
  }

  .hero-description {
    letter-spacing: 0.04em;
  }

  .hero-actions {
    flex-wrap: wrap;
    gap: 1rem;
    margin: 0 0 2.4rem;
    transform: translateY(20px);
  }

  .btn {
    min-height: var(--hero-cta-height);
    padding: 0 var(--hero-cta-padding-x);
    border-radius: var(--hero-cta-radius);
  }

  .match-button {
    padding: 0 var(--hero-cta-padding-x);
    border-radius: var(--hero-cta-radius);
  }

  .hero-scroll-hint {
    bottom: 0.85rem;
  }

  .matcher-card {
    grid-template-columns: 1fr;
    margin-top: calc(1rem + 10px);
    padding: 0.9rem 1rem 0.85rem;
  }

  .matcher-head {
    align-items: flex-start;
    gap: 0.5rem;
  }

  .matcher-card textarea,
  .match-button {
    min-height: var(--matcher-field-height);
    height: var(--matcher-field-height);
  }

  .matcher-card textarea {
    padding: 0.65rem 1rem;
    border-radius: var(--matcher-field-radius);
  }

  .hero-photo {
    width: 100%;
    max-width: 420px;
  }

  .about-heading-row {
    grid-template-columns: auto 1fr;
    gap: 1.75rem;
    transform: none;
  }

  .vertical-title i {
    width: 5rem;
  }

  .about-portrait {
    width: min(56vw, 250px);
  }

  .portrait-block h2 {
    margin-left: 0;
    letter-spacing: 0.04em;
  }

  .about-grid {
    min-height: auto;
    padding: var(--section-title-gap) 0 2.5rem;
  }

  .about-left {
    justify-content: flex-start;
  }

  .about-copy {
    margin-top: 0;
    padding-left: 0;
  }

  .about-copy .about-line {
    line-height: 2;
  }

  .about-copy .about-line + .about-line {
    margin-top: 0.4rem;
  }

  .about-copy > .about-block:first-of-type {
    margin-top: 1em;
  }

  .about-copy .about-block + .about-block {
    margin-top: 1em;
  }

  .about-right {
    margin-top: 1.5rem;
  }

  .skill-stage {
    grid-template-columns: 1fr;
    grid-template-rows: auto auto;
    height: auto;
    max-width: none;
    min-height: 0;
    margin-top: 0;
    transform: none;
  }

  .skill-pager {
    align-self: center;
  }

  .tab-stack {
    position: relative;
    top: auto;
    left: auto;
    grid-template-columns: repeat(4, 1fr);
    justify-self: stretch;
    transform: none;
    margin-bottom: 0.5rem;
  }

  .skill-tab,
  .skill-tab[data-card="product"],
  .skill-tab[data-card="analysis"],
  .skill-tab[data-card="language"] {
    width: 58px;
    height: 58px;
    transform: none;
  }

  .skill-tab::before {
    width: 42px;
    height: 42px;
    margin: 8px;
  }

  .cards-wrap {
    width: 100%;
    min-height: 530px;
    margin-top: 2.5rem;
  }

  .skill-card {
    width: min(100%, 360px);
    min-height: 500px;
    padding: 5.6rem 1.15rem 1.4rem;
    border-radius: 2.8rem;
  }

  .skill-card::before {
    width: 112px;
    height: 112px;
    top: -52px;
  }

  .card-orb {
    width: 84px;
    height: 84px;
    top: -38px;
  }

  .skill-card h3 {
    min-width: 200px;
    margin: 0.35rem 0 2.25rem;
  }

  .skill-list {
    gap: 1.35rem;
    letter-spacing: 0.05em;
  }

  .logo-row {
    gap: 0.3rem;
  }

  .logo-row img {
    width: 56px;
    height: 56px;
  }

  .logo-row .wide-logo img {
    width: 116px;
    height: 62px;
  }

  .cert-grid {
    gap: 1.6rem 0.7rem;
    width: 100%;
    letter-spacing: 0.02em;
  }

  .cert-grid img {
    max-width: 112px;
  }

  .next-card {
    grid-column: 1;
    justify-content: center;
    gap: 0.7rem;
    margin: 0.75rem auto 0;
    padding: 0.5rem 0.5rem 0.5rem 0.95rem;
  }

  .next-card__arrow {
    width: 2.65rem;
    height: 2.65rem;
  }

  .skill-pager {
    margin-top: calc(0.25rem + 5px);
    font-size: 0.9rem;
  }

  .education-shell {
    height: auto;
    padding-top: 1rem;
    display: block;
  }

  .work-section {
    height: auto;
    min-height: 100vh;
    padding: var(--nav-h) 0 0;
  }

  .work-shell {
    height: auto;
    min-height: calc(100vh - var(--nav-h));
    padding: 1rem 0 40px;
    display: flex;
    flex-direction: column;
    overflow: visible;
  }

  .work-overview {
    grid-template-columns: 1fr;
    gap: 0.85rem;
  }

  .work-company {
    grid-template-columns: 1fr;
    gap: 0.85rem;
  }

  .company-logo-card {
    min-height: 104px;
  }

  .company-logo-card img {
    max-height: 70px;
  }

  .company-meta h3 {
    font-size: 1.35rem;
  }

  .work-date,
  .work-role {
    gap: 0.7rem;
    font-size: 1.05rem;
  }

  .work-date::before,
  .work-role::before {
    width: 1.85rem;
    height: 1.85rem;
    border-width: 2px;
  }

  .work-metrics {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .work-tasks {
    grid-template-columns: 1fr;
  }

  .work-task-card:last-child {
    grid-column: auto;
  }

  .work-task-card__media img {
    height: 150px;
  }

  .project-section {
    height: auto;
    min-height: 100vh;
    padding: var(--nav-h) 0 0;
  }

  .project-shell--grid {
    height: auto;
    min-height: calc(100vh - var(--nav-h));
    padding: 1rem 0 2rem;
    display: flex;
  }

  .project-grid {
    grid-template-columns: 1fr;
    height: auto;
    flex: none;
    margin-top: 1rem;
  }

  .project-card {
    height: auto;
    min-height: 0;
  }

  .project-card__media {
    --project-card-image-height: 200px;
    min-height: var(--project-card-image-height);
    height: auto;
  }

  .project-card__media img {
    min-height: var(--project-card-image-height);
    max-height: 220px;
  }

  .project-dual-shot img {
    height: min(28vh, 220px);
  }

  .vibe-card {
    height: auto;
  }

  .vibe-card-tags {
    flex-wrap: wrap;
    justify-content: flex-start;
  }

  .vibe-preview {
    flex: none;
    min-height: 220px;
  }

  .vibe-preview img {
    width: 100%;
    height: auto;
    max-height: min(42vh, 380px);
  }

  .project-panel-head {
    grid-template-columns: auto 1fr;
  }

  .project-panel-actions {
    grid-column: 1 / -1;
    justify-content: flex-start;
  }

  .project-panel-body {
    grid-template-columns: 1fr;
  }

  .project-panel-media {
    grid-template-columns: 1fr;
  }

  .project-panel-shot img {
    max-height: min(34vh, 320px);
  }

  .project-panel--competition {
    height: auto;
    max-height: none;
  }

  .project-panel-body--competition {
    grid-template-columns: 1fr;
    min-height: 0;
  }

  .project-panel-body--competition .project-panel-intro {
    min-height: 0;
  }

  .project-panel-body--competition .project-panel-intro ul {
    justify-content: flex-start;
    gap: 0.35rem;
  }

  .project-panel-body--competition .project-panel-media {
    grid-template-columns: 1fr 1fr;
    min-height: 200px;
  }

  .project-panel-body--competition .project-panel-shot {
    min-height: 180px;
  }

  .project-panel-body--competition .project-panel-shot img {
    width: 100%;
    height: 100%;
    max-height: min(34vh, 320px);
  }

  .unitree-keywords {
    top: 2.5%;
    left: 2%;
    max-width: 88%;
    grid-template-columns: 1fr;
  }

  .project-panel--unitree > .unitree-layout {
    min-height: 280px;
  }

  .unitree-layout-img {
    width: 100%;
    height: auto;
    max-height: min(48vh, 420px);
  }

  .project-panel-body--unitree {
    grid-template-columns: 1fr;
  }

  .project-panel-stack {
    grid-template-rows: auto auto;
  }

  .project-panel-figure img {
    max-height: min(30vh, 280px);
  }

  .project-panel-body--unitree .project-panel-section .project-panel-figure img {
    max-height: min(32vh, 300px);
  }

  .project-panel-body--zeluji {
    grid-template-columns: 1fr;
  }

  .project-panel-copy {
    height: auto;
    justify-content: flex-start;
  }

  .project-panel-media--zeluji {
    grid-template-columns: 1fr;
    grid-template-rows: auto auto auto;
    height: auto;
  }

  .project-panel-media--zeluji .wide {
    grid-column: auto;
  }

  .project-panel-media--zeluji .project-panel-figure {
    height: auto;
    min-height: 160px;
  }

  .project-panel-media--zeluji .project-panel-figure img {
    width: 100%;
    height: auto;
    max-height: min(32vh, 300px);
  }

  .project-head--vibe .project-title-group {
    width: 100%;
  }

  .project-arrow {
    width: 44px;
    height: 44px;
  }

  .project-content {
    grid-template-columns: 1fr;
    gap: 1.2rem;
    align-items: start;
  }

  .project-copy {
    gap: 0.75rem;
  }

  .project-title-line {
    align-items: flex-start;
  }

  .project-logo {
    width: 2.7rem;
    height: 2.7rem;
  }

  .project-copy h3 {
    font-size: 1.45rem;
  }

  .project-desc {
    font-size: 0.92rem;
    line-height: 1.65;
  }

  .project-media,
  .media-careermod,
  .media-grid-three,
  .media-unitree,
  .media-zeluji {
    grid-template-columns: 1fr;
    height: auto;
  }

  .project-shot {
    min-height: 180px;
  }

  .media-grid-three .wide,
  .media-zeluji .wide {
    grid-column: auto;
  }

  .more-section {
    height: auto;
    min-height: 100vh;
    padding: var(--nav-h) 0 0;
  }

  .more-shell {
    height: auto;
    min-height: calc(100vh - var(--nav-h));
    padding: 1rem 0 2rem;
    display: block;
  }

  .more-head {
    display: block;
    margin-bottom: var(--section-title-gap);
  }

  .more-grid {
    grid-template-columns: 1fr;
    gap: 1.5rem;
  }

  .contact-panel {
    gap: 1.5rem;
    padding-left: 0;
    padding-bottom: 0;
    justify-content: flex-start;
  }

  .more-block h3 {
    font-size: 1.55rem;
  }

  .contact-pills {
    display: grid;
    gap: 0.9rem;
  }

  .contact-pill {
    width: 100%;
    font-size: 1rem;
    letter-spacing: 0.03em;
  }

  .contact-pill {
    padding-right: 1rem;
  }

  .contact-pill span {
    flex: 1;
    min-width: 0;
  }

  .contact-pill > img:first-child {
    width: 2.25rem;
    height: 2.25rem;
  }

  .copy-mark {
    width: 0.9rem;
    height: 0.9rem;
    margin-left: 0.1rem;
  }

  .discover-block {
    margin-top: -15px;
  }

  .contact-panel > .more-block:first-of-type {
    transform: translateY(2px);
  }

  .discover-cards {
    grid-template-columns: 1fr;
    gap: 1rem;
  }

  .discover-card {
    min-height: 190px;
  }

  .message-panel {
    order: -1;
    padding-top: 0;
    gap: 1rem;
    transform: none;
  }

  .message-board {
    width: min(100%, 340px);
    padding: 100px 45px 44px;
  }

  .message-send {
    font-size: 1.2rem;
  }

  .section-head {
    margin-bottom: var(--section-title-gap);
  }

  .timeline {
    gap: 1.4rem;
  }

  .timeline-item {
    grid-template-columns: 54px minmax(0, 1fr);
    gap: 0.7rem;
  }

  .timeline-date {
    position: static;
    margin-top: 0.5rem;
    font-size: 0.72rem;
  }

  .edu-card {
    grid-template-columns: 1fr auto;
    gap: 0.9rem;
    padding: 0.9rem;
  }

  .edu-cover {
    grid-column: 1 / -1;
  }

  .edu-cover img {
    height: 160px;
  }

  .edu-summary {
    grid-column: 1;
  }

  .expand-btn {
    grid-column: 2;
  }

  .two-images,
  .volunteer-gallery,
  .competition-cards,
  .cert-grid {
    grid-template-columns: 1fr;
  }

  .two-images img,
  .volunteer-gallery img {
    height: 170px;
  }

  .achievement-card {
    width: 84%;
  }
}

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