:root {
  --bg: #eef3f7;
  --paper: #ffffff;
  --ink: #111827;
  --muted: #566273;
  --line: #cfd8e3;
  --line-strong: #9aa8ba;
  --sdu: #a51e32;
  --ntu: #2353a2;
  --teal: #0f766e;
  --amber: #b7791f;
  --soft-red: #f8e8eb;
  --soft-blue: #e8eefc;
  --soft-teal: #e5f3f1;
  --soft-amber: #fff3dc;
  --shadow: 0 24px 70px rgba(15, 23, 42, 0.12);
  --soft-shadow: 0 14px 36px rgba(15, 23, 42, 0.08);
  --radius: 10px;
  --font-cn: "SF Pro SC", "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", "Noto Sans SC", sans-serif;
  --font-display-cn: "Songti SC", "STSong", "SimSun", "Noto Serif CJK SC", serif;
  --font-en: "Times New Roman", Times, serif;
  --font-stack: var(--font-cn);
}

* { box-sizing: border-box; }

html { scroll-behavior: smooth; }

body {
  margin: 0;
  color: var(--ink);
  background:
    linear-gradient(120deg, rgba(165, 30, 50, 0.08), transparent 36%),
    linear-gradient(240deg, rgba(35, 83, 162, 0.10), transparent 38%),
    radial-gradient(circle at 48% -10%, rgba(255, 255, 255, 0.95), transparent 44rem),
    var(--bg);
  font-family: var(--font-stack);
  line-height: 1.68;
}

.latin {
  font-family: var(--font-en);
}

body::before {
  content: "";
  position: fixed;
  inset: 0;
  z-index: -1;
  pointer-events: none;
  background-image:
    linear-gradient(rgba(15, 23, 42, 0.035) 1px, transparent 1px),
    linear-gradient(90deg, rgba(15, 23, 42, 0.035) 1px, transparent 1px);
  background-size: 42px 42px;
  mask-image: linear-gradient(180deg, rgba(0, 0, 0, 0.7), transparent 70%);
}

img,
iframe { display: block; max-width: 100%; }

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

.nav {
  position: sticky;
  top: 0;
  z-index: 50;
  display: grid;
  grid-template-columns: minmax(360px, auto) 1fr;
  align-items: center;
  gap: 24px;
  min-height: 88px;
  padding: 14px max(24px, calc((100vw - 1280px) / 2));
  background: rgba(255, 255, 255, 0.84);
  border-bottom: 1px solid rgba(154, 168, 186, 0.45);
  backdrop-filter: blur(18px);
}

.nav-left {
  display: flex;
  align-items: center;
  gap: 16px;
  min-width: 0;
}

.brand {
  display: flex;
  align-items: center;
  gap: 12px;
  font-weight: 900;
}

.brand-mark {
  display: inline-grid;
  place-items: center;
  width: 46px;
  height: 46px;
  color: #fff;
  background: linear-gradient(135deg, var(--sdu), var(--ntu));
  border-radius: 9px;
  font-family: var(--font-en);
  font-size: 15px;
}

.brand-mark-motion {
  overflow: visible;
  color: inherit;
  background: transparent;
  border-radius: 0;
}

.brand-mark-motion img {
  width: 54px;
  height: 54px;
  max-width: none;
  filter: drop-shadow(0 8px 16px rgba(15, 23, 42, 0.14));
}

.nav nav {
  display: flex;
  justify-content: flex-end;
  gap: 8px;
  min-width: 0;
  max-width: 100%;
  overflow-x: auto;
  scrollbar-width: none;
}

.nav nav::-webkit-scrollbar {
  display: none;
}

.nav nav a {
  min-height: 44px;
  padding: 10px 16px;
  color: #243044;
  border: 1px solid transparent;
  border-radius: 999px;
  font-size: 16px;
  font-weight: 850;
  white-space: nowrap;
}

.nav nav a:hover {
  background: #fff;
  border-color: var(--line);
}

.nav-logos {
  display: flex;
  align-items: center;
  gap: 10px;
  min-height: 42px;
  padding: 6px 10px;
  background: rgba(255, 255, 255, 0.72);
  border: 1px solid var(--line);
  border-radius: 999px;
}

.nav-logos img {
  width: auto;
  max-height: 28px;
  object-fit: contain;
}

main,
footer {
  width: min(1280px, calc(100% - 40px));
  margin: 0 auto;
}

.hero {
  min-height: auto;
  display: grid;
  align-items: center;
  padding: 20px 0 12px;
}

.hero-bg-card {
  position: relative;
  overflow: hidden;
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(300px, 360px);
  gap: clamp(24px, 4vw, 46px);
  align-items: stretch;
  min-height: 248px;
  padding: clamp(24px, 3.2vw, 36px);
  background:
    linear-gradient(135deg, rgba(255, 255, 255, 0.98), rgba(255, 255, 255, 0.9)),
    radial-gradient(circle at 85% 20%, rgba(35, 83, 162, 0.12), transparent 28rem),
    radial-gradient(circle at 10% 90%, rgba(165, 30, 50, 0.10), transparent 24rem);
  border: 1px solid var(--line);
  border-radius: 18px;
  box-shadow: var(--shadow);
}

.hero-copy,
.hero-profile {
  position: relative;
  z-index: 1;
}

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

.hero-bg-card::after {
  content: "";
  position: absolute;
  right: 38px;
  top: 38px;
  width: 116px;
  height: 5px;
  background: linear-gradient(90deg, var(--sdu), var(--ntu));
  border-radius: 999px;
  pointer-events: none;
}

.hero-profile {
  display: grid;
  align-content: center;
  gap: 14px;
  padding: 18px;
  background:
    linear-gradient(180deg, rgba(255, 255, 255, 0.86), rgba(248, 250, 252, 0.92)),
    linear-gradient(135deg, rgba(165, 30, 50, 0.08), rgba(35, 83, 162, 0.10));
  border: 1px solid rgba(154, 168, 186, 0.55);
  border-radius: 14px;
  box-shadow: 0 18px 48px rgba(15, 23, 42, 0.08);
}

.profile-top {
  display: grid;
  grid-template-columns: 96px minmax(0, 1fr);
  gap: 15px;
  align-items: center;
}

.profile-photo {
  width: 96px;
  height: 122px;
  object-fit: cover;
  object-position: center top;
  background: #dbeafe;
  border: 1px solid var(--line);
  border-radius: 10px;
  box-shadow: 0 14px 30px rgba(15, 23, 42, 0.14);
}

.profile-label {
  color: var(--teal);
  font-family: var(--font-en);
  font-size: 12px;
  font-weight: 900;
  letter-spacing: 0.04em;
  text-transform: uppercase;
}

.profile-name {
  display: block;
  margin: 4px 0 8px;
  font-family: var(--font-display-cn);
  font-size: 31px;
  line-height: 1.06;
}

.profile-role,
.profile-focus p {
  margin-bottom: 0;
  color: var(--muted);
  font-size: 14px;
  line-height: 1.62;
}

.profile-focus {
  padding: 12px;
  background: rgba(255, 255, 255, 0.72);
  border: 1px solid var(--line);
  border-radius: var(--radius);
}

.profile-focus span {
  display: block;
  margin-bottom: 6px;
  color: var(--teal);
  font-size: 12px;
  font-weight: 900;
}

.profile-focus strong {
  display: block;
  margin-bottom: 7px;
  color: var(--ink);
  font-size: 16px;
  line-height: 1.36;
}

.profile-metrics {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 10px;
}

.profile-metrics div {
  min-height: 64px;
  padding: 10px 12px;
  background: rgba(255, 255, 255, 0.7);
  border: 1px solid var(--line);
  border-radius: var(--radius);
}

.profile-metrics strong {
  display: block;
  color: var(--ink);
  font-family: var(--font-en);
  font-size: 16px;
  line-height: 1.2;
}

.profile-metrics span {
  display: block;
  margin-top: 7px;
  color: var(--muted);
  font-size: 12px;
  font-weight: 850;
}

.eyebrow,
.section-title span {
  color: var(--teal);
  font-family: var(--font-en);
  font-size: 13px;
  font-weight: 900;
  letter-spacing: 0.02em;
  text-transform: uppercase;
}

h1,
h2,
h3,
p { margin-top: 0; }

h1 {
  max-width: 620px;
  margin: 12px 0 14px;
  font-family: var(--font-display-cn);
  font-size: clamp(36px, 4.7vw, 58px);
  line-height: 1.06;
  letter-spacing: 0;
}

h2 {
  margin-bottom: 10px;
  font-family: var(--font-display-cn);
  font-size: clamp(28px, 3.7vw, 48px);
  line-height: 1.08;
  letter-spacing: 0;
}

h3 {
  margin-bottom: 10px;
  font-size: 20px;
  line-height: 1.3;
}

.lead {
  max-width: 840px;
  color: #334155;
  font-size: 16px;
  line-height: 1.68;
}

.hero-summary {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 20px;
}

.hero-summary span {
  display: inline-flex;
  align-items: baseline;
  gap: 8px;
  min-height: 40px;
  padding: 7px 13px;
  color: #334155;
  background: rgba(255, 255, 255, 0.74);
  border: 1px solid var(--line);
  border-radius: 999px;
  font-size: 14px;
  font-weight: 850;
}

.hero-summary strong {
  color: var(--ink);
  font-size: 20px;
}

.hero-actions,
.card-actions,
.detail-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 22px;
}

.button,
.copy-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 44px;
  padding: 10px 17px;
  color: #1f2937;
  background: rgba(255, 255, 255, 0.86);
  border: 1px solid var(--line-strong);
  border-radius: 999px;
  cursor: pointer;
  font: inherit;
  font-size: 14px;
  font-weight: 900;
  box-shadow: 0 10px 22px rgba(15, 23, 42, 0.06);
}

.button:disabled {
  cursor: wait;
  opacity: 0.68;
}

.button.primary {
  color: #fff;
  background: linear-gradient(135deg, var(--sdu), var(--ntu));
  border-color: transparent;
}

.progress-board,
.band {
  scroll-margin-top: 112px;
  padding: 44px 0;
  border-top: 1px solid rgba(154, 168, 186, 0.45);
}

.progress-board {
  display: grid;
  grid-template-columns: minmax(280px, 0.38fr) minmax(0, 1fr);
  gap: 28px;
  align-items: stretch;
}

.progress-copy,
.progress-carousel,
.work-group,
.work-card,
.detail-panel,
.viewer-panel {
  min-width: 0;
  background: rgba(255, 255, 255, 0.88);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  box-shadow: var(--soft-shadow);
}

.progress-copy {
  padding: 28px;
}

.progress-copy h2 {
  font-size: clamp(30px, 3.8vw, 48px);
}

.progress-copy p,
.work-card p,
.detail-panel p,
.detail-panel li,
footer p {
  color: var(--muted);
}

.progress-carousel {
  position: relative;
  overflow: hidden;
  overflow-x: auto;
  padding: 18px 18px 24px;
  scrollbar-color: var(--ntu) rgba(154, 168, 186, 0.28);
  scrollbar-width: thin;
}

.progress-carousel::-webkit-scrollbar {
  height: 12px;
}

.progress-carousel::-webkit-scrollbar-track {
  background: rgba(154, 168, 186, 0.22);
  border-radius: 999px;
}

.progress-carousel::-webkit-scrollbar-thumb {
  background: linear-gradient(90deg, var(--sdu), var(--ntu));
  border-radius: 999px;
}

.progress-timeline {
  display: flex;
  position: relative;
  width: max-content;
  gap: 16px;
  padding-top: 58px;
}

.progress-timeline::before {
  content: "";
  position: absolute;
  top: 28px;
  left: 28px;
  right: 28px;
  height: 2px;
  background: linear-gradient(90deg, rgba(165, 30, 50, 0.32), rgba(35, 83, 162, 0.55), rgba(15, 118, 110, 0.32));
}

.progress-node {
  position: relative;
  display: flex;
  flex-direction: column;
  flex: 0 0 285px;
  min-height: 228px;
  padding: 24px;
  overflow: visible;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background:
    linear-gradient(180deg, rgba(255, 255, 255, 0.96), rgba(248, 250, 252, 0.92)),
    linear-gradient(135deg, rgba(165, 30, 50, 0.08), rgba(35, 83, 162, 0.09));
}

.progress-carousel.paused .progress-node {
  border-color: var(--line-strong);
}

.progress-node:hover,
.work-card:hover {
  border-color: var(--line-strong);
  transform: translateY(-2px);
  transition: border-color 160ms ease, transform 160ms ease, box-shadow 160ms ease;
  box-shadow: 0 20px 52px rgba(15, 23, 42, 0.12);
}

.progress-node::before {
  content: "";
  position: absolute;
  top: -39px;
  left: 28px;
  z-index: 2;
  width: 18px;
  height: 18px;
  background: #fff;
  border: 5px solid var(--ntu);
  border-radius: 50%;
  box-shadow: 0 0 0 7px rgba(35, 83, 162, 0.12);
}

.progress-node::after {
  content: "";
  position: absolute;
  top: -21px;
  left: 36px;
  width: 2px;
  height: 24px;
  background: linear-gradient(180deg, var(--ntu), rgba(35, 83, 162, 0.12));
  border-radius: 999px;
}

.progress-node strong {
  color: var(--sdu);
  font-size: 18px;
}

.event-type {
  width: max-content;
  margin-top: 10px;
  padding: 4px 10px;
  color: var(--teal);
  background: var(--soft-teal);
  border: 1px solid var(--line);
  border-radius: 999px;
  font-size: 12px;
  font-weight: 900;
}

.progress-node h3 {
  margin: 12px 0 10px;
  font-size: 22px;
}

.progress-node p {
  color: var(--muted);
  margin-bottom: 18px;
}

.progress-link {
  margin-top: auto;
  color: var(--ntu);
  font-size: 14px;
  font-weight: 900;
}

.section-title {
  margin-bottom: 28px;
}

.center-title {
  text-align: center;
}

.center-title p {
  margin-inline: auto;
}

.section-title p {
  max-width: 860px;
  color: var(--muted);
  font-size: 17px;
}

.split-title {
  display: flex;
  align-items: end;
  justify-content: space-between;
  gap: 22px;
}

.work-groups,
.work-grid {
  display: grid;
  gap: 20px;
}

.work-groups {
  gap: 28px;
}

.work-group {
  padding: 28px;
}

.group-head {
  margin-bottom: 22px;
  padding-bottom: 18px;
  border-bottom: 1px solid var(--line);
}

.group-head h3 {
  margin: 8px 0 10px;
  font-family: var(--font-display-cn);
  font-size: clamp(28px, 3.2vw, 44px);
}

.group-head p {
  max-width: 780px;
  margin-bottom: 0;
  color: var(--muted);
  font-size: 17px;
}

.work-card {
  overflow: hidden;
}

.work-card img {
  width: 100%;
  height: 228px;
  padding: 12px;
  object-fit: contain;
  background:
    linear-gradient(180deg, rgba(255, 255, 255, 0.84), rgba(248, 250, 252, 0.96)),
    #e5e7eb;
  border-bottom: 1px solid var(--line);
}

.work-card .card-body {
  padding: 22px;
}

.meta-row,
.tags {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-bottom: 14px;
}

.tag {
  display: inline-flex;
  align-items: center;
  min-height: 28px;
  padding: 5px 10px;
  color: #334155;
  background: #f8fafc;
  border: 1px solid var(--line);
  border-radius: 999px;
  font-size: 12px;
  font-weight: 850;
}

.tag.verified { color: var(--teal); background: var(--soft-teal); }
.tag.session { color: var(--amber); background: var(--soft-amber); }
.tag.paper { color: var(--sdu); background: var(--soft-red); }
.tag.review { color: var(--ntu); background: var(--soft-blue); }
.tag.project { color: var(--ntu); background: var(--soft-blue); }
.tag.patent { color: var(--teal); background: var(--soft-teal); }
.tag.ongoing { color: var(--amber); background: var(--soft-amber); }

.work-grid {
  grid-template-columns: repeat(3, minmax(0, 1fr));
}

.work-group.single-group .work-grid {
  grid-template-columns: minmax(0, 1fr);
}

.work-group.single-group .work-card {
  display: grid;
  grid-template-columns: minmax(320px, 0.42fr) minmax(0, 1fr);
}

.work-group.single-group .work-card img {
  height: 100%;
  min-height: 260px;
  padding: 14px;
  border-right: 1px solid var(--line);
  border-bottom: 0;
}

.detail-hero {
  display: grid;
  grid-template-columns: minmax(360px, 0.62fr) minmax(0, 1.38fr);
  gap: 24px;
  padding: 34px 0 48px;
}

.detail-panel,
.viewer-panel {
  padding: 24px;
}

.detail-panel {
  align-self: start;
  position: sticky;
  top: 88px;
}

body[data-page="detail"] .detail-title {
  max-width: none;
  margin: 16px 0 18px;
  font-family: var(--font-display-cn);
  font-size: clamp(28px, 3vw, 40px);
  line-height: 1.12;
}

.original-title {
  margin: -4px 0 18px;
  padding: 12px 14px;
  color: #334155;
  background: rgba(248, 250, 252, 0.88);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  font-size: 16px;
  line-height: 1.38;
  overflow-wrap: anywhere;
}

.original-title.latin {
  font-family: var(--font-en);
}

body[data-page="detail"] .detail-panel p,
body[data-page="detail"] .detail-panel li,
body[data-page="detail"] .viewer-panel p {
  font-family: var(--font-cn);
  font-size: 15px;
  line-height: 1.72;
}

body[data-page="detail"] .detail-panel .original-title.latin {
  font-family: var(--font-en);
}

.detail-thumb {
  width: 100%;
  margin: 18px 0;
  border: 1px solid var(--line);
  border-radius: var(--radius);
}

.detail-list {
  padding-left: 20px;
}

.pdf-viewer,
.html-viewer {
  width: 100%;
  height: min(78vh, 900px);
  background: #f8fafc;
  border: 1px solid var(--line);
  border-radius: var(--radius);
}

.pdf-shell {
  min-height: min(78vh, 900px);
  display: grid;
  place-items: center;
  background: #f8fafc;
  border: 1px solid var(--line);
  border-radius: var(--radius);
}

.pdf-shell .pdf-viewer {
  border: 0;
  border-radius: 0;
}

.pdf-fallback {
  max-width: 520px;
  padding: 28px;
  text-align: center;
}

.patent-layout {
  display: grid;
  gap: 16px;
}

.patent-item {
  display: grid;
  grid-template-columns: 56px minmax(0, 1fr);
  gap: 16px;
  padding: 18px;
  background: rgba(248, 250, 252, 0.9);
  border: 1px solid var(--line);
  border-radius: var(--radius);
}

.patent-number {
  display: grid;
  width: 44px;
  height: 44px;
  place-items: center;
  color: #fff;
  background: linear-gradient(135deg, var(--sdu), var(--ntu));
  border-radius: 999px;
  font-family: var(--font-en);
  font-size: 18px;
  font-weight: 900;
}

.patent-item h3 {
  margin-bottom: 10px;
  font-family: var(--font-cn);
  font-size: 20px;
  line-height: 1.38;
}

.patent-item p {
  margin-bottom: 8px;
}

.gallery-layout {
  display: grid;
  gap: 18px;
}

.gallery-item {
  overflow: hidden;
  background: rgba(248, 250, 252, 0.94);
  border: 1px solid var(--line);
  border-radius: var(--radius);
}

.gallery-item img {
  width: 100%;
  max-height: 560px;
  object-fit: contain;
  background: #eef3f7;
  border-bottom: 1px solid var(--line);
}

.gallery-copy {
  padding: 18px 20px 20px;
}

.gallery-copy h3 {
  margin-bottom: 8px;
  font-family: var(--font-cn);
}

.gallery-copy p {
  margin-bottom: 0;
}

.research-frame,
.hardware-plan {
  margin-top: 18px;
  padding: 24px;
  background: rgba(255, 255, 255, 0.94);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  box-shadow: var(--soft-shadow);
}

.research-frame h3,
.hardware-plan h3 {
  margin: 8px 0 10px;
  font-family: var(--font-display-cn);
  font-size: clamp(25px, 2.5vw, 36px);
  line-height: 1.18;
}

.research-frame > p,
.hardware-plan > p {
  max-width: 980px;
  color: var(--muted);
  font-size: 16px;
}

.research-flow {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 12px;
  margin-top: 18px;
}

.research-step {
  min-height: 260px;
  padding: 16px;
  background:
    linear-gradient(180deg, rgba(35, 83, 162, 0.055), transparent 52%),
    #fff;
  border: 1px solid var(--line);
  border-radius: var(--radius);
}

.research-step-index {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 42px;
  height: 42px;
  margin-bottom: 14px;
  color: #fff;
  background: linear-gradient(135deg, var(--sdu), var(--ntu));
  border-radius: 999px;
  font-family: var(--font-en);
  font-size: 15px;
  font-weight: 900;
}

.research-step span {
  display: block;
  margin-bottom: 8px;
  color: var(--teal);
  font-size: 12px;
  font-weight: 900;
}

.research-step h4,
.hardware-card h4 {
  margin: 0 0 8px;
  font-family: var(--font-cn);
  font-size: 18px;
  line-height: 1.35;
}

.research-step p,
.hardware-card p {
  margin: 0;
  color: var(--muted);
  font-size: 14px;
  line-height: 1.65;
}

.research-outcome {
  margin: 16px 0 0;
  padding: 13px 16px;
  color: var(--ink) !important;
  background: linear-gradient(90deg, var(--soft-red), var(--soft-blue));
  border: 1px solid rgba(165, 30, 50, 0.18);
  border-radius: var(--radius);
  font-weight: 850;
}

.hardware-plan-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 12px;
  margin-top: 18px;
}

.hardware-card {
  padding: 16px;
  background: #fff;
  border: 1px solid var(--line);
  border-radius: var(--radius);
}

.hardware-files {
  display: flex;
  flex-wrap: wrap;
  gap: 7px;
  margin-top: 14px;
}

.hardware-files span,
.milestone-strip span {
  display: inline-flex;
  align-items: center;
  min-height: 30px;
  padding: 5px 9px;
  background: #f8fafc;
  border: 1px solid var(--line);
  border-radius: 999px;
  color: #334155;
  font-size: 12px;
  font-weight: 850;
}

.milestone-strip {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-top: 16px;
}

.milestone-strip span {
  color: var(--teal);
  background: var(--soft-teal);
}

.structured-list {
  margin-top: 18px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: rgba(248, 250, 252, 0.74);
  overflow: hidden;
}

.structured-list summary {
  padding: 12px 14px;
  cursor: pointer;
  color: var(--ink);
  font-weight: 900;
}

.resource-list,
.reference-list {
  display: grid;
  gap: 10px;
  padding: 0 12px 12px;
}

.resource-item,
.reference-item {
  padding: 12px;
  background: #fff;
  border: 1px solid var(--line);
  border-radius: var(--radius);
}

.resource-item {
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  gap: 10px;
  align-items: start;
}

.resource-item strong,
.reference-item h3 {
  display: block;
  margin-bottom: 4px;
  font-family: var(--font-cn);
  font-size: 15px;
  line-height: 1.42;
}

.resource-item span {
  display: inline-flex;
  margin-bottom: 7px;
  color: var(--teal);
  font-size: 12px;
  font-weight: 900;
}

.resource-item p,
.reference-item p {
  margin-bottom: 7px;
}

.resource-item code {
  display: block;
  padding: 8px;
  overflow-wrap: anywhere;
  white-space: normal;
  color: #334155;
  background: #f8fafc;
  border: 1px solid var(--line);
  border-radius: 6px;
  font-family: Consolas, "Courier New", monospace;
  font-size: 12px;
}

.evidence-link {
  display: block;
  padding: 12px 14px;
  overflow-wrap: anywhere;
  background: #f8fafc;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  font-size: 13px;
}

.copy-btn {
  min-height: 36px;
  margin-top: 8px;
  padding: 7px 12px;
}

footer {
  padding: 30px 0 52px;
}

.footer-links {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
}

.footer-links a {
  color: var(--ntu);
  font-weight: 900;
}

.resume-main {
  width: min(1280px, calc(100% - 40px));
}

.resume-hero {
  padding-top: 14px;
}

.resume-hero-card {
  grid-template-columns: minmax(0, 1.12fr) minmax(440px, 0.88fr);
  align-items: start;
  min-height: 0;
  gap: 24px;
  padding: 22px 24px;
}

.resume-identity {
  display: flex;
  align-items: center;
  gap: 18px;
  margin-bottom: 10px;
}

.resume-identity-photo {
  width: 88px;
  height: 112px;
  flex: 0 0 auto;
  object-fit: cover;
  object-position: center top;
  border: 1px solid rgba(35, 83, 162, 0.2);
  border-radius: 10px;
  box-shadow: 0 12px 26px rgba(15, 36, 67, 0.12);
}

.resume-identity .eyebrow {
  margin-bottom: 6px;
}

.resume-identity h1 {
  margin-bottom: 2px;
}

.resume-english-name {
  margin: -6px 0 10px;
  color: var(--ntu);
  font-family: var(--font-en);
  font-size: 16px;
  font-weight: 700;
  letter-spacing: 0.02em;
}

.resume-lead-compact {
  margin-bottom: 6px;
  font-size: 15px;
}

.resume-focus-copy {
  max-width: 880px;
  margin-bottom: 0;
  color: var(--muted);
  font-size: 13px;
  line-height: 1.46;
}

.resume-intro {
  max-width: 52em;
  margin: 12px 0 18px;
  color: var(--muted);
  font-size: 14px;
  line-height: 1.68;
}

.resume-profile-card {
  gap: 12px;
  padding: 20px;
}

.resume-capability-card {
  align-self: start;
  min-height: 0;
  background:
    linear-gradient(145deg, rgba(255, 255, 255, 0.98), rgba(246, 250, 252, 0.94)),
    radial-gradient(circle at 96% 0%, rgba(35, 83, 162, 0.1), transparent 42%);
}

.resume-capability-head {
  padding-bottom: 14px;
  border-bottom: 1px solid var(--line);
}

.resume-capability-title {
  display: block;
  margin: 5px 0 6px;
  color: var(--ink);
  font-family: var(--font-display-cn);
  font-size: clamp(22px, 2vw, 28px);
  line-height: 1.2;
}

.resume-capability-head p {
  margin: 0;
  color: var(--muted);
  font-size: 13px;
  line-height: 1.55;
}

.resume-capability-subtitle {
  display: block;
  margin: -1px 0 7px;
  color: var(--ntu);
  font-size: 12px;
  font-weight: 850;
  letter-spacing: 0.02em;
}

.resume-capability-list {
  display: grid;
  gap: 8px;
}

.resume-capability-item {
  display: grid;
  grid-template-columns: 34px minmax(0, 1fr);
  gap: 11px;
  align-items: center;
  padding: 10px 11px;
  background: rgba(255, 255, 255, 0.82);
  border: 1px solid var(--line);
  border-radius: 9px;
}

.resume-capability-item > span {
  color: var(--teal);
  font-family: var(--font-en);
  font-size: 13px;
  font-weight: 900;
  letter-spacing: 0.04em;
}

.resume-capability-item strong {
  display: block;
  margin-bottom: 2px;
  color: var(--ink);
  font-size: 14px;
}

.resume-capability-item p {
  margin: 0;
  color: var(--muted);
  font-size: 12px;
  line-height: 1.4;
}

.resume-capability-foot {
  display: flex;
  flex-wrap: wrap;
  gap: 7px 12px;
  align-items: center;
  padding-top: 2px;
  color: var(--muted);
  font-size: 11px;
}

.resume-capability-foot span {
  white-space: nowrap;
}

.resume-capability-foot strong {
  color: var(--ntu);
  font-family: var(--font-en);
  font-size: 14px;
}

.resume-capability-foot a {
  margin-left: auto;
  color: var(--ntu);
  font-weight: 850;
}

.resume-contact-list {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 8px;
}

.resume-contact-item {
  padding: 10px 11px;
  background: rgba(255, 255, 255, 0.76);
  border: 1px solid var(--line);
  border-radius: var(--radius);
}

.resume-contact-item span {
  display: block;
  margin-bottom: 6px;
  color: var(--teal);
  font-size: 12px;
  font-weight: 900;
}

.resume-contact-item strong,
.resume-contact-item a {
  color: var(--ink);
  font-size: 14px;
  font-weight: 900;
}

.resume-section {
  padding-top: 18px;
  padding-bottom: 18px;
}

.resume-grid,
.resume-list {
  display: grid;
  gap: 12px;
}

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

.resume-grid-3 {
  grid-template-columns: repeat(3, minmax(0, 1fr));
}

.resume-card {
  min-width: 0;
  padding: 16px;
  background: rgba(255, 255, 255, 0.9);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  box-shadow: var(--soft-shadow);
}

.resume-card h3 {
  margin-bottom: 6px;
  font-family: var(--font-cn);
  font-size: 17px;
  line-height: 1.32;
}

.resume-card p {
  margin-bottom: 5px;
  color: var(--muted);
  font-size: 13px;
  line-height: 1.48;
}

.resume-inline-link {
  color: var(--ntu);
  font-weight: 900;
  text-decoration: none;
}

.strong-link {
  color: var(--ink);
  font-weight: 900;
}

.resume-education-card {
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  gap: 10px;
  align-items: start;
}

.resume-period {
  color: var(--ntu);
  font-family: var(--font-en);
  font-size: 14px;
  font-weight: 900;
  white-space: nowrap;
}

.resume-publication-card {
  display: grid;
  grid-template-columns: 40px minmax(0, 1fr);
  gap: 10px;
  align-items: start;
}

.resume-highlight-row {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
  margin-bottom: 8px;
}

.resume-highlight-badge {
  display: inline-flex;
  align-items: center;
  min-height: 24px;
  padding: 4px 9px;
  border-radius: 999px;
  font-size: 11px;
  font-weight: 900;
  letter-spacing: 0.01em;
  border: 1px solid transparent;
}

.resume-highlight-badge.tier1 {
  color: #7a0f20;
  background: #fde8ee;
  border-color: rgba(165, 30, 50, 0.28);
}

.resume-highlight-badge.published,
.resume-highlight-badge.accepted {
  color: #0f766e;
  background: #e4f6f2;
  border-color: rgba(15, 118, 110, 0.26);
}

.resume-highlight-badge.review,
.resume-highlight-badge.underreview,
.resume-highlight-badge.conference {
  color: #2353a2;
  background: #e8eefc;
  border-color: rgba(35, 83, 162, 0.24);
}

.resume-card-index {
  display: grid;
  width: 34px;
  height: 34px;
  place-items: center;
  color: #fff;
  background: linear-gradient(135deg, var(--sdu), var(--ntu));
  border-radius: 999px;
  font-family: var(--font-en);
  font-size: 13px;
  font-weight: 900;
}

.resume-card-authors,
.resume-card-venue,
.resume-card-note {
  font-size: 13px;
  line-height: 1.48;
}

.resume-card-authors {
  color: #334155;
}

.resume-card-title.latin,
.resume-card-authors.latin,
.resume-card-venue.latin {
  font-family: var(--font-en);
}

.resume-link-row {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-top: 8px;
}

.resume-link-row a {
  color: var(--ntu);
  font-size: 13px;
  font-weight: 900;
}

.site-nav-card {
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.site-nav-card .button {
  margin-top: auto;
  width: max-content;
}

.compact-title {
  margin-bottom: 12px;
}

.compact-title h2 {
  margin-bottom: 0;
  font-size: clamp(24px, 3vw, 34px);
}

.compact-card {
  padding: 14px;
}

.compact-overview-grid .resume-card p,
.site-nav-card p {
  font-size: 13px;
  line-height: 1.5;
}

.resume-output-grid .resume-card {
  min-height: 100%;
}

.resume-patent-gallery {
  display: grid;
  gap: 28px;
}

.resume-patent-group-head {
  display: flex;
  justify-content: space-between;
  align-items: end;
  gap: 16px;
  margin-bottom: 12px;
  padding-left: 13px;
  border-left: 3px solid var(--ntu);
}

.resume-patent-group-head h4 {
  margin: 0 0 3px;
  color: #15365f;
  font-size: 18px;
}

.resume-patent-group-head p {
  margin: 0;
  color: var(--muted);
  font-size: 12px;
  line-height: 1.5;
}

.resume-patent-count {
  flex: 0 0 auto;
  color: var(--muted);
  font-size: 12px;
  font-weight: 700;
}

.resume-patent-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 15px;
}

.resume-patent-card {
  display: flex;
  flex-direction: column;
  min-width: 0;
  overflow: hidden;
  background: #fff;
  border: 1px solid var(--line);
  border-radius: 12px;
  box-shadow: 0 8px 24px rgba(15, 23, 42, 0.06);
}

.resume-patent-card.is-related {
  border-color: #e5d8bd;
}

.resume-patent-image-link {
  position: relative;
  display: grid;
  place-items: center;
  height: 244px;
  padding: 10px;
  background: #f0f4f8;
  border-bottom: 1px solid var(--line);
}

.resume-patent-image-link img {
  position: absolute;
  top: 10px;
  left: 10px;
  display: block;
  width: calc(100% - 20px);
  height: calc(100% - 20px);
  object-fit: contain;
}

.resume-patent-image-link:hover img,
.resume-patent-image-link:focus-visible img {
  transform: scale(1.015);
}

.resume-patent-image-hint {
  position: absolute;
  right: 10px;
  bottom: 10px;
  padding: 4px 7px;
  color: #fff;
  background: rgba(17, 42, 77, 0.82);
  border-radius: 5px;
  font-size: 11px;
}

.resume-patent-card-body {
  display: flex;
  flex: 1;
  flex-direction: column;
  gap: 9px;
  padding: 14px;
}

.resume-patent-badges {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
}

.resume-patent-badge {
  padding: 3px 7px;
  color: #245072;
  background: #eaf2f8;
  border-radius: 4px;
  font-size: 11px;
  font-weight: 700;
}

.resume-patent-badge.status-granted {
  color: #0e655d;
  background: #e5f3f1;
}

.resume-patent-badge.status-accepted,
.resume-patent-badge.status-related {
  color: #8a5814;
  background: #fff3dc;
}

.resume-patent-card-body h5 {
  margin: 0;
  color: #172b49;
  font-size: 15px;
  line-height: 1.45;
}

.resume-patent-number {
  margin: 0;
  color: var(--muted);
  font-size: 12px;
  overflow-wrap: anywhere;
}

.resume-patent-card-foot {
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  gap: 6px 12px;
  margin-top: auto;
  padding-top: 9px;
  border-top: 1px solid #e8edf3;
  color: var(--muted);
  font-size: 12px;
}

.resume-patent-source-link {
  color: var(--ntu);
  font-weight: 700;
  text-decoration: none;
}

.resume-patent-source-link:hover {
  text-decoration: underline;
}

@media (max-width: 1080px) {
  .resume-patent-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

@media (max-width: 720px) {
  .resume-patent-grid {
    grid-template-columns: 1fr;
  }

  .resume-patent-image-link {
    height: 260px;
  }
}

.site-nav-card.placeholder {
  background:
    linear-gradient(180deg, rgba(248, 250, 252, 0.96), rgba(255, 255, 255, 0.92)),
    rgba(255, 255, 255, 0.9);
}

.site-nav-card.placeholder .button {
  cursor: default;
  opacity: 0.72;
}

.grant-main {
  width: min(1280px, calc(100% - 40px));
}

.grant-hero {
  padding: 16px 0 8px;
}

.grant-hero-panel {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(260px, 330px);
  gap: 16px;
  align-items: stretch;
  padding: 20px;
  background:
    linear-gradient(135deg, rgba(255, 255, 255, 0.98), rgba(255, 255, 255, 0.9)),
    radial-gradient(circle at 92% 16%, rgba(35, 83, 162, 0.14), transparent 24rem),
    radial-gradient(circle at 8% 88%, rgba(165, 30, 50, 0.10), transparent 22rem);
  border: 1px solid var(--line);
  border-radius: 18px;
  box-shadow: var(--shadow);
}

.grant-hero-copy h1 {
  max-width: none;
  margin: 8px 0 8px;
  font-size: clamp(34px, 4.1vw, 54px);
}

.grant-subtitle {
  margin-bottom: 14px;
  color: #334155;
  font-size: 16px;
  font-weight: 850;
}

.grant-topic-box {
  padding: 16px;
  background: rgba(255, 255, 255, 0.78);
  border: 1px solid rgba(154, 168, 186, 0.72);
  border-radius: var(--radius);
}

.grant-topic-box span,
.grant-card-kicker {
  display: inline-flex;
  margin-bottom: 7px;
  color: var(--teal);
  font-size: 12px;
  font-weight: 900;
  letter-spacing: 0.02em;
  text-transform: uppercase;
}

.grant-topic-box h2 {
  margin-bottom: 10px;
  color: var(--ink);
  font-size: clamp(24px, 2.8vw, 38px);
}

.grant-topic-box p,
.grant-card p,
.grant-route-step p,
.grant-paper-row p,
.grant-risk-list p {
  margin-bottom: 0;
  color: var(--muted);
  font-size: 14px;
  line-height: 1.58;
}

.grant-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-top: 14px;
}

.grant-metric-panel {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 10px;
}

.grant-metric {
  display: grid;
  align-content: center;
  min-height: 104px;
  padding: 14px;
  background:
    linear-gradient(180deg, rgba(255, 255, 255, 0.9), rgba(248, 250, 252, 0.9)),
    linear-gradient(135deg, rgba(165, 30, 50, 0.08), rgba(35, 83, 162, 0.08));
  border: 1px solid var(--line);
  border-radius: var(--radius);
}

.grant-metric strong {
  color: var(--sdu);
  font-family: var(--font-en);
  font-size: 34px;
  line-height: 1;
}

.grant-metric span {
  margin-top: 8px;
  color: #334155;
  font-size: 13px;
  font-weight: 900;
}

.grant-section {
  padding-top: 22px;
  padding-bottom: 22px;
}

.grant-grid {
  display: grid;
  gap: 12px;
}

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

.grant-grid-3 {
  grid-template-columns: repeat(3, minmax(0, 1fr));
}

.grant-card {
  min-width: 0;
  padding: 16px;
  background: rgba(255, 255, 255, 0.92);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  box-shadow: var(--soft-shadow);
}

.grant-card h3 {
  margin-bottom: 8px;
  font-family: var(--font-cn);
  font-size: 18px;
  line-height: 1.35;
}

.grant-card small {
  display: block;
  margin-top: 12px;
  color: #64748b;
  font-size: 12px;
  line-height: 1.45;
}

.grant-problem-layout {
  display: grid;
  grid-template-columns: minmax(0, 1.2fr) minmax(0, 0.9fr) minmax(0, 0.9fr);
  gap: 12px;
}

.grant-problem-main {
  background:
    linear-gradient(180deg, rgba(253, 232, 238, 0.64), transparent 70%),
    rgba(255, 255, 255, 0.94);
}

.grant-paper-map {
  display: grid;
  gap: 8px;
}

.grant-paper-row {
  display: grid;
  grid-template-columns: minmax(170px, 0.85fr) minmax(120px, 0.5fr) minmax(0, 1.5fr);
  gap: 12px;
  align-items: start;
  padding: 12px 14px;
  background: rgba(255, 255, 255, 0.92);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  box-shadow: var(--soft-shadow);
}

.grant-paper-row strong {
  font-size: 14px;
  line-height: 1.4;
}

.grant-paper-row span {
  width: max-content;
  max-width: 100%;
  padding: 4px 9px;
  color: var(--teal);
  background: var(--soft-teal);
  border: 1px solid rgba(15, 118, 110, 0.18);
  border-radius: 999px;
  font-size: 12px;
  font-weight: 900;
}

.innovation-card {
  position: relative;
  padding-top: 54px;
}

.grant-step-index {
  display: inline-grid;
  place-items: center;
  width: 40px;
  height: 40px;
  color: #fff;
  background: linear-gradient(135deg, var(--sdu), var(--ntu));
  border-radius: 999px;
  font-family: var(--font-en);
  font-size: 13px;
  font-weight: 900;
}

.innovation-card .grant-step-index {
  position: absolute;
  left: 16px;
  top: 16px;
}

.grant-route {
  display: grid;
  gap: 10px;
}

.grant-route-step {
  display: grid;
  grid-template-columns: 52px minmax(0, 1fr);
  gap: 14px;
  padding: 16px;
  background: rgba(255, 255, 255, 0.92);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  box-shadow: var(--soft-shadow);
}

.grant-route-step h3 {
  margin-bottom: 8px;
  font-size: 18px;
}

.grant-route-step p + p {
  margin-top: 6px;
}

.grant-outline,
.grant-title-list {
  display: grid;
  gap: 8px;
  margin: 0;
  padding: 0;
  list-style: none;
}

.grant-outline li,
.grant-title-list li {
  padding: 11px 13px;
  background: rgba(255, 255, 255, 0.92);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  color: #334155;
  font-size: 14px;
  line-height: 1.55;
  box-shadow: var(--soft-shadow);
}

.grant-title-list li {
  color: var(--ink);
  font-weight: 900;
}

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

.grant-risk-list div {
  padding: 12px;
  background: #f8fafc;
  border: 1px solid var(--line);
  border-radius: var(--radius);
}

.grant-risk-list strong {
  display: block;
  margin-bottom: 5px;
  color: var(--sdu);
}

.grant-source-list {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
}

.grant-source-link {
  display: inline-flex;
  align-items: center;
  min-height: 38px;
  padding: 8px 13px;
  color: var(--ntu);
  background: rgba(255, 255, 255, 0.92);
  border: 1px solid var(--line);
  border-radius: 999px;
  font-size: 13px;
  font-weight: 900;
  box-shadow: var(--soft-shadow);
}

.dissertation-main {
  width: min(1280px, calc(100% - 40px));
}

.dissertation-hero {
  padding: 16px 0 8px;
}

.dissertation-hero-panel {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(260px, 330px);
  gap: 16px;
  align-items: stretch;
  padding: 20px;
  background:
    linear-gradient(135deg, rgba(255, 255, 255, 0.98), rgba(255, 255, 255, 0.9)),
    radial-gradient(circle at 90% 12%, rgba(15, 118, 110, 0.12), transparent 24rem),
    radial-gradient(circle at 8% 88%, rgba(165, 30, 50, 0.10), transparent 22rem);
  border: 1px solid var(--line);
  border-radius: 18px;
  box-shadow: var(--shadow);
}

.dissertation-hero-copy h1 {
  max-width: none;
  margin: 8px 0 8px;
  font-size: clamp(34px, 4.1vw, 54px);
}

.dissertation-subtitle {
  margin-bottom: 14px;
  color: #334155;
  font-size: 16px;
  font-weight: 850;
}

.dissertation-topic-box,
.dissertation-core-card {
  padding: 16px;
  background: rgba(255, 255, 255, 0.82);
  border: 1px solid rgba(154, 168, 186, 0.72);
  border-radius: var(--radius);
}

.dissertation-topic-box span {
  display: inline-flex;
  margin-bottom: 7px;
  color: var(--teal);
  font-size: 12px;
  font-weight: 900;
  letter-spacing: 0.02em;
  text-transform: uppercase;
}

.dissertation-topic-box h2 {
  margin-bottom: 10px;
  color: var(--ink);
  font-size: clamp(24px, 2.8vw, 38px);
}

.dissertation-topic-box p,
.dissertation-card p,
.dissertation-chain-step p,
.dissertation-core-card p {
  margin-bottom: 0;
  color: var(--muted);
  font-size: 14px;
  line-height: 1.58;
}

.dissertation-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-top: 14px;
}

.dissertation-metric-panel {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 10px;
}

.dissertation-metric {
  display: grid;
  align-content: center;
  min-height: 104px;
  padding: 14px;
  background:
    linear-gradient(180deg, rgba(255, 255, 255, 0.9), rgba(248, 250, 252, 0.9)),
    linear-gradient(135deg, rgba(15, 118, 110, 0.08), rgba(35, 83, 162, 0.08));
  border: 1px solid var(--line);
  border-radius: var(--radius);
}

.dissertation-metric strong {
  color: var(--teal);
  font-family: var(--font-en);
  font-size: 34px;
  line-height: 1;
}

.dissertation-metric span {
  margin-top: 8px;
  color: #334155;
  font-size: 13px;
  font-weight: 900;
}

.dissertation-section {
  padding-top: 22px;
  padding-bottom: 22px;
}

.dissertation-version-badge {
  display: inline-flex;
  align-items: center;
  min-height: 32px;
  padding: 6px 11px;
  color: var(--teal);
  background: var(--soft-teal);
  border: 1px solid rgba(15, 118, 110, 0.22);
  border-radius: 999px;
  font-size: 12px;
  font-weight: 900;
}

.dissertation-version-summary-grid {
  display: grid;
  grid-template-columns: 1.05fr 1fr 1fr;
  gap: 12px;
}

.dissertation-version-summary-card {
  min-width: 0;
  padding: 15px 16px;
  background: rgba(255, 255, 255, 0.94);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  box-shadow: var(--soft-shadow);
}

.dissertation-version-summary-card > span {
  display: block;
  margin-bottom: 8px;
  color: var(--teal);
  font-size: 12px;
  font-weight: 950;
  letter-spacing: 0.04em;
}

.dissertation-version-summary-card p,
.dissertation-version-summary-card ul {
  margin: 0;
  color: #334155;
  font-size: 13px;
  line-height: 1.62;
}

.dissertation-version-summary-card ul {
  padding-left: 18px;
}

.dissertation-version-summary-card li + li {
  margin-top: 5px;
}

.dissertation-version-summary-card.is-narrative {
  background: linear-gradient(135deg, rgba(232, 238, 252, 0.82), rgba(255, 255, 255, 0.96));
  border-color: rgba(35, 83, 162, 0.3);
}

.dissertation-version-summary-card.is-narrative p {
  color: #0f2f61;
  font-size: 14px;
  font-weight: 900;
}

.dissertation-version-summary-card.is-risk {
  background: linear-gradient(135deg, rgba(255, 243, 220, 0.58), rgba(255, 255, 255, 0.96));
}

.dissertation-abstract-card {
  padding: 18px;
  background: rgba(255, 255, 255, 0.94);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  box-shadow: var(--soft-shadow);
}

.dissertation-abstract-card p {
  margin-bottom: 12px;
  color: #334155;
  font-size: 14px;
  line-height: 1.76;
  text-align: justify;
}

.dissertation-abstract-card p:last-of-type {
  margin-bottom: 0;
}

.dissertation-keywords {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-top: 16px;
  padding-top: 14px;
  border-top: 1px solid var(--line);
}

.dissertation-keywords strong {
  display: inline-flex;
  align-items: center;
  min-height: 30px;
  color: var(--ink);
  font-size: 13px;
}

.dissertation-keywords span {
  display: inline-flex;
  align-items: center;
  min-height: 30px;
  padding: 5px 10px;
  color: var(--teal);
  background: var(--soft-teal);
  border: 1px solid rgba(15, 118, 110, 0.18);
  border-radius: 999px;
  font-size: 12px;
  font-weight: 850;
}

.dissertation-framework-map {
  display: grid;
  grid-template-columns: 150px minmax(0, 1fr);
  gap: 16px;
  padding: 18px;
  background:
    linear-gradient(180deg, rgba(255, 255, 255, 0.96), rgba(248, 250, 252, 0.94)),
    radial-gradient(circle at 50% 0, rgba(35, 83, 162, 0.10), transparent 32rem);
  border: 1px solid var(--line);
  border-radius: 16px;
  box-shadow: var(--shadow);
}

.dissertation-framework-figure {
  margin: 0;
  padding: clamp(8px, 1.2vw, 18px);
  background: #fff;
  border: 1px solid var(--line);
  border-radius: 16px;
  box-shadow: var(--shadow);
}

.dissertation-framework-image-link {
  display: block;
  overflow: hidden;
  border-radius: 10px;
  cursor: zoom-in;
}

.dissertation-framework-image-link picture {
  display: block;
}

.dissertation-framework-image-link img {
  display: block;
  width: 100%;
  height: auto;
}

.dissertation-framework-figure figcaption {
  display: flex;
  justify-content: center;
  gap: 12px;
  margin-top: 10px;
  color: var(--muted);
  font-size: 13px;
}

.dissertation-framework-figure figcaption a {
  color: var(--blue);
  font-weight: 800;
}

.dissertation-framework-note {
  max-width: 1000px;
  margin: 10px auto 2px;
  color: var(--muted);
  font-size: 13px;
  line-height: 1.6;
  text-align: center;
}

.framework-rail {
  display: grid;
  gap: 10px;
  align-content: stretch;
}

.framework-rail-item {
  position: relative;
  display: grid;
  grid-template-columns: 34px minmax(0, 1fr);
  gap: 10px;
  align-items: center;
  min-height: 76px;
  padding: 10px;
  color: #0f2f61;
  background: linear-gradient(180deg, #ffffff, #f2f6fb);
  border: 1px solid rgba(35, 83, 162, 0.34);
  border-radius: 10px;
}

.framework-rail-item:not(:last-child)::after {
  content: "";
  position: absolute;
  left: 26px;
  bottom: -11px;
  width: 1px;
  height: 10px;
  background: repeating-linear-gradient(180deg, rgba(35, 83, 162, 0.55) 0 4px, transparent 4px 7px);
}

.framework-rail-item span {
  display: grid;
  place-items: center;
  width: 32px;
  height: 32px;
  color: #fff;
  background: #0f2f61;
  border-radius: 6px;
  font-family: var(--font-en);
  font-size: 18px;
  font-weight: 900;
}

.framework-rail-item strong {
  font-size: 14px;
  line-height: 1.35;
}

.framework-canvas {
  display: grid;
  gap: 12px;
  min-width: 0;
}

.framework-context-grid,
.framework-problem-grid {
  display: grid;
  gap: 12px;
}

.framework-context-grid {
  grid-template-columns: minmax(0, 1fr) minmax(0, 1fr);
}

.framework-context-card,
.framework-problem-card,
.framework-core-question,
.framework-tech-system,
.framework-goal,
.framework-flow {
  min-width: 0;
  background: rgba(255, 255, 255, 0.94);
  border: 1px solid rgba(35, 83, 162, 0.36);
  border-radius: 10px;
}

.framework-context-card h3 {
  margin: 0;
  padding: 8px 12px;
  color: #0f2f61;
  background: linear-gradient(180deg, #edf4ff, #f8fbff);
  border-bottom: 1px solid rgba(35, 83, 162, 0.28);
  font-size: 16px;
  text-align: center;
}

.framework-context-card ul,
.framework-problem-card ul {
  margin: 0;
  padding: 12px 18px 14px 30px;
  color: #243044;
  font-size: 13px;
  line-height: 1.55;
}

.framework-context-card li,
.framework-problem-card li {
  margin: 4px 0;
}

.framework-arrow-row {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 12px;
  color: #0f2f61;
  font-size: 13px;
  font-weight: 900;
  text-align: center;
}

.framework-arrow-row span::after {
  content: "↓";
  display: block;
  margin-top: 2px;
  color: var(--teal);
  font-size: 20px;
  line-height: 1;
}

.framework-core-question {
  padding: 12px 18px;
  text-align: center;
}

.framework-core-question span,
.framework-tech-system > span,
.framework-goal > span {
  display: block;
  margin-bottom: 6px;
  color: #0f2f61;
  font-size: 15px;
  font-weight: 950;
}

.framework-core-question p {
  margin: 0;
  color: var(--ink);
  font-size: 18px;
  font-weight: 900;
  line-height: 1.5;
}

.framework-section-label {
  display: grid;
  place-items: center;
  min-height: 28px;
  color: #0f2f61;
  font-size: 14px;
  font-weight: 950;
}

.framework-section-label::before,
.framework-section-label::after {
  content: "↓";
  display: block;
  color: var(--teal);
  font-size: 20px;
  line-height: 1;
}

.framework-problem-grid {
  grid-template-columns: repeat(var(--framework-columns, 4), minmax(0, 1fr));
}

.framework-problem-card {
  display: grid;
  grid-template-rows: auto auto 1fr auto;
  overflow: hidden;
}

.framework-problem-head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 8px;
  padding: 8px 10px;
  background: #f3f7fc;
  border-bottom: 1px solid rgba(35, 83, 162, 0.28);
}

.framework-problem-head span {
  color: #0f2f61;
  font-size: 13px;
  font-weight: 950;
}

.framework-problem-head em {
  padding: 2px 8px;
  color: #0f2f61;
  border: 1px solid rgba(35, 83, 162, 0.34);
  border-radius: 6px;
  font-size: 12px;
  font-style: normal;
  font-weight: 900;
}

.framework-problem-card > strong {
  display: block;
  padding: 10px 12px 0;
  color: #0f2f61;
  font-size: 16px;
  line-height: 1.35;
}

.framework-problem-card small {
  display: block;
  margin: 0 12px 12px;
  padding: 6px 8px;
  color: var(--teal);
  background: var(--soft-teal);
  border: 1px solid rgba(15, 118, 110, 0.18);
  border-radius: 999px;
  font-size: 12px;
  font-weight: 900;
  text-align: center;
}

.framework-bridge-row {
  display: grid;
  grid-template-columns: repeat(var(--framework-columns, 4), minmax(0, 1fr));
  gap: 12px;
  align-items: center;
}

.framework-bridge-row span {
  position: relative;
  display: grid;
  place-items: center;
  min-height: 32px;
  color: #0f2f61;
  font-size: 13px;
  font-weight: 950;
}

.framework-bridge-row span:not(:last-child)::after {
  content: "";
  position: absolute;
  top: 50%;
  right: -11px;
  width: 18px;
  height: 2px;
  background: linear-gradient(90deg, var(--teal), rgba(35, 83, 162, 0.65));
}

.framework-tech-system,
.framework-goal {
  padding: 12px 16px;
  text-align: center;
}

.framework-tech-system {
  background:
    linear-gradient(90deg, rgba(232, 238, 252, 0.78), rgba(229, 243, 241, 0.78)),
    #fff;
}

.framework-tech-system div,
.framework-goal div,
.framework-flow {
  display: grid;
  gap: 10px;
}

.framework-tech-system div {
  grid-template-columns: repeat(var(--technology-columns, 4), minmax(0, 1fr));
}

.framework-tech-system strong {
  padding: 8px 10px;
  color: #0f2f61;
  background: rgba(255, 255, 255, 0.88);
  border: 1px solid rgba(35, 83, 162, 0.24);
  border-radius: 8px;
  font-size: 14px;
}

.framework-goal {
  border-color: rgba(165, 30, 50, 0.32);
  background:
    linear-gradient(180deg, rgba(253, 232, 238, 0.62), rgba(255, 255, 255, 0.96)),
    #fff;
}

.framework-goal p {
  margin: 0 0 10px;
  color: #243044;
  font-size: 15px;
  font-weight: 850;
}

.framework-goal div {
  grid-template-columns: repeat(3, minmax(0, 1fr));
}

.framework-goal strong {
  color: #0f2f61;
  font-size: 20px;
  letter-spacing: 0.06em;
}

.framework-flow {
  grid-template-columns: repeat(5, minmax(0, 1fr));
  padding: 10px;
}

.framework-flow span {
  position: relative;
  display: grid;
  place-items: center;
  min-height: 34px;
  color: #243044;
  background: #f8fafc;
  border: 1px solid rgba(154, 168, 186, 0.65);
  border-radius: 7px;
  font-size: 13px;
  font-weight: 850;
}

.framework-flow span:not(:last-child)::after {
  content: "→";
  position: absolute;
  right: -16px;
  color: #0f2f61;
  font-size: 16px;
  font-weight: 900;
}

.dissertation-core-card {
  display: grid;
  gap: 14px;
  background:
    linear-gradient(90deg, rgba(253, 232, 238, 0.72), rgba(232, 238, 252, 0.72)),
    rgba(255, 255, 255, 0.94);
  box-shadow: var(--soft-shadow);
}

.dissertation-core-card p {
  color: var(--ink);
  font-size: 17px;
  font-weight: 900;
}

.dissertation-formula-row {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
}

.dissertation-core-card .dissertation-formula-note {
  color: var(--muted);
  font-size: 14px;
  font-weight: 500;
  line-height: 1.7;
}

.dissertation-chain {
  display: grid;
  grid-template-columns: repeat(var(--dissertation-chain-columns, 4), minmax(0, 1fr));
  gap: 12px;
}

.dissertation-chain-step {
  position: relative;
  min-width: 0;
  padding: 16px;
  background: rgba(255, 255, 255, 0.92);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  box-shadow: var(--soft-shadow);
}

.dissertation-step-index,
.dissertation-card-no {
  display: inline-grid;
  place-items: center;
  width: 42px;
  height: 42px;
  color: #fff;
  background: linear-gradient(135deg, var(--sdu), var(--ntu));
  border-radius: 999px;
  font-family: var(--font-en);
  font-size: 13px;
  font-weight: 900;
}

.dissertation-chain-step > span {
  display: block;
  margin: 12px 0 6px;
  color: var(--teal);
  font-size: 12px;
  font-weight: 900;
}

.dissertation-chain-step h3,
.dissertation-card h3 {
  margin-bottom: 8px;
  font-family: var(--font-cn);
  font-size: 18px;
  line-height: 1.34;
}

.dissertation-chain-step p + p,
.dissertation-card p + p {
  margin-top: 7px;
}

.dissertation-chapter-grid,
.dissertation-paper-grid {
  display: grid;
  gap: 12px;
}

.dissertation-chapter-grid {
  grid-template-columns: 1fr;
}

.dissertation-paper-grid {
  grid-template-columns: repeat(3, minmax(0, 1fr));
}

.dissertation-card {
  min-width: 0;
  padding: 16px;
  background: rgba(255, 255, 255, 0.92);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  box-shadow: var(--soft-shadow);
}

.dissertation-chapter-card {
  display: grid;
  grid-template-columns: minmax(280px, 0.9fr) minmax(420px, 1.35fr);
  gap: 20px;
  padding: 0;
  overflow: hidden;
}

.dissertation-chapter-summary {
  padding: 18px;
  background:
    linear-gradient(145deg, rgba(255, 255, 255, 0.98), rgba(239, 245, 251, 0.92)),
    radial-gradient(circle at 90% 10%, rgba(15, 118, 110, 0.1), transparent 16rem);
  border-right: 1px solid var(--line);
}

.dissertation-section-outline {
  padding: 18px 20px;
}

.dissertation-section-outline > span {
  display: block;
  margin-bottom: 10px;
  color: var(--teal);
  font-size: 12px;
  font-weight: 950;
  letter-spacing: 0.04em;
}

.dissertation-section-outline ol {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 8px 12px;
  margin: 0;
  padding: 0;
  list-style: none;
}

.dissertation-section-outline li {
  display: grid;
  grid-template-columns: 44px minmax(0, 1fr);
  gap: 9px;
  align-items: start;
  min-width: 0;
  padding: 9px 10px;
  background: rgba(248, 250, 252, 0.9);
  border: 1px solid rgba(203, 213, 225, 0.8);
  border-radius: 9px;
}

.dissertation-section-outline li > span {
  color: var(--ntu);
  font-family: var(--font-en);
  font-size: 12px;
  font-weight: 900;
}

.dissertation-section-outline li > strong {
  color: #334155;
  font-size: 13px;
  line-height: 1.45;
}

.dissertation-card-head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 10px;
  margin-bottom: 12px;
}

.dissertation-card-no {
  width: auto;
  min-width: 62px;
  padding: 0 12px;
  border-radius: 999px;
}

.dissertation-evidence {
  display: flex;
  flex-wrap: wrap;
  gap: 7px;
  margin-top: 12px;
}

.dissertation-evidence span {
  display: inline-flex;
  min-height: 28px;
  align-items: center;
  padding: 5px 9px;
  color: var(--teal);
  background: var(--soft-teal);
  border: 1px solid rgba(15, 118, 110, 0.18);
  border-radius: 999px;
  font-size: 12px;
  font-weight: 850;
}

.dissertation-figure-slot {
  margin-top: 12px;
  padding: 12px;
  color: #334155;
  background:
    repeating-linear-gradient(135deg, rgba(15, 118, 110, 0.06) 0 8px, rgba(35, 83, 162, 0.05) 8px 16px),
    #f8fafc;
  border: 1px dashed var(--line-strong);
  border-radius: var(--radius);
  font-size: 13px;
  line-height: 1.45;
}

.dissertation-paper-title {
  color: #334155;
  font-size: 13px;
  line-height: 1.4;
}

.dissertation-redundancy-card {
  background:
    linear-gradient(180deg, rgba(255, 243, 220, 0.76), rgba(255, 255, 255, 0.94)),
    #fff;
}

@media (max-width: 1120px) {
  .nav {
    grid-template-columns: 1fr;
    gap: 10px 16px;
  }

  .nav nav {
    grid-column: 1 / -1;
    grid-row: 2;
    justify-content: flex-start;
    overflow-x: auto;
  }

  .nav-left {
    justify-content: space-between;
  }

  .progress-board,
  .hero-bg-card,
  .work-grid,
  .work-group.single-group .work-card,
  .group-head,
  .detail-hero,
  .resume-grid-3,
  .grant-hero-panel,
  .grant-grid-3,
  .grant-problem-layout,
  .dissertation-hero-panel,
  .dissertation-framework-map,
  .dissertation-chain,
  .dissertation-paper-grid,
  .dissertation-version-summary-grid {
    grid-template-columns: 1fr;
  }

  .framework-rail {
    grid-template-columns: repeat(5, minmax(130px, 1fr));
    overflow-x: auto;
  }

  .framework-rail-item {
    min-height: 62px;
  }

  .framework-rail-item:not(:last-child)::after {
    display: none;
  }

  .framework-problem-grid,
  .framework-tech-system div {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .framework-bridge-row,
  .framework-flow {
    grid-template-columns: 1fr;
  }

  .framework-bridge-row span:not(:last-child)::after,
  .framework-flow span:not(:last-child)::after {
    display: none;
  }

  .resume-grid-2,
  .grant-grid-2,
  .dissertation-chapter-grid {
    grid-template-columns: 1fr;
  }

  .resume-contact-list {
    grid-template-columns: 1fr 1fr;
  }

  .work-group.single-group .work-card img {
    height: 220px;
    min-height: 0;
    border-right: 0;
    border-bottom: 1px solid var(--line);
  }

  .resource-item {
    grid-template-columns: 1fr;
  }

  .detail-panel {
    position: static;
  }
}

@media (max-width: 720px) {
  main,
  footer {
    width: min(100% - 24px, 1280px);
  }

  .hero-bg-card {
    min-height: auto;
    padding: 24px;
    background:
      linear-gradient(180deg, rgba(255, 255, 255, 0.97), rgba(255, 255, 255, 0.88)),
      radial-gradient(circle at 86% 8%, rgba(35, 83, 162, 0.12), transparent 18rem);
  }

  .hero-profile {
    padding: 18px;
  }

  .profile-top {
    grid-template-columns: 86px minmax(0, 1fr);
  }

  .profile-photo {
    width: 86px;
    height: 110px;
  }

  .profile-name {
    font-size: 28px;
  }

  .hero-bg-card::after {
    display: none;
  }

  .progress-node {
    flex-basis: 280px;
  }

  .nav nav a {
    min-height: 38px;
    padding: 7px 12px;
    font-size: 15px;
  }

  h1 {
    font-size: clamp(34px, 10vw, 40px);
  }

  .lead {
    font-size: 15px;
  }

  .split-title {
    align-items: stretch;
    flex-direction: column;
  }

  .nav-logos img {
    max-height: 25px;
  }

  .brand span:not(.brand-mark) {
    display: none;
  }

  .pdf-viewer,
  .html-viewer {
    height: 68vh;
  }

  .research-flow,
  .hardware-plan-grid,
  .resume-grid-2,
  .resume-grid-3,
  .framework-context-grid,
  .framework-problem-grid,
  .framework-tech-system div,
  .framework-goal div,
  .grant-paper-row {
    grid-template-columns: 1fr;
  }

  .research-step {
    min-height: auto;
  }

  .resume-education-card,
  .resume-publication-card {
    grid-template-columns: 1fr;
  }

  .resume-period {
    white-space: normal;
  }

  .resume-contact-list {
    grid-template-columns: 1fr;
  }

  .dissertation-framework-map {
    padding: 12px;
  }

  .framework-rail {
    grid-template-columns: 1fr;
    overflow-x: visible;
  }

  .framework-context-card ul,
  .framework-problem-card ul {
    padding-left: 24px;
  }

  .framework-core-question p {
    font-size: 16px;
  }

  .framework-goal strong {
    font-size: 17px;
  }
}

/* Personal portfolio: research, engineering projects, and competitions. */
.nav-private-link {
  min-height: 44px;
  padding: 10px 15px;
  color: #566273;
  background: transparent;
  border: 1px solid transparent;
  border-radius: 999px;
  cursor: pointer;
  font: inherit;
  font-size: 14px;
  font-weight: 850;
  white-space: nowrap;
}

.nav-private-link::before {
  content: "";
  display: inline-block;
  width: 7px;
  height: 7px;
  margin-right: 7px;
  background: #94a3b8;
  border-radius: 999px;
  box-shadow: 0 0 0 3px rgba(148, 163, 184, 0.16);
}

.nav-private-link:hover {
  color: var(--ink);
  background: #fff;
  border-color: var(--line);
}

.nav-private-divider {
  align-self: center;
  width: 1px;
  height: 24px;
  margin: 0 3px;
  background: var(--line);
}

.resume-research-title {
  font-family: var(--font-cn);
  font-size: clamp(21px, 2vw, 27px);
  line-height: 1.18;
}

.portfolio-section-title {
  max-width: 900px;
}

.portfolio-section-title p {
  max-width: 820px;
  margin: 8px 0 0;
  color: var(--muted);
  font-size: 14px;
  line-height: 1.62;
}

.portfolio-research-list,
.portfolio-project-list,
.portfolio-competition-list {
  display: grid;
  gap: 16px;
}

.portfolio-research-card {
  display: grid;
  grid-template-columns: minmax(330px, 0.88fr) minmax(0, 1.12fr);
  overflow: hidden;
  background: rgba(255, 255, 255, 0.94);
  border: 1px solid var(--line);
  border-radius: 14px;
  box-shadow: var(--soft-shadow);
}

.portfolio-research-card:nth-child(even) .portfolio-research-media {
  order: 2;
}

.portfolio-research-media {
  min-width: 0;
  padding: 10px;
  background:
    linear-gradient(145deg, rgba(35, 83, 162, 0.08), rgba(15, 118, 110, 0.07)),
    #f7fafc;
  border-right: 1px solid var(--line);
}

.portfolio-research-card:nth-child(even) .portfolio-research-media {
  border-right: 0;
  border-left: 1px solid var(--line);
}

.portfolio-research-main-image {
  width: 100%;
  height: 100%;
  min-height: 270px;
  object-fit: cover;
  object-position: center;
  border-radius: 8px;
}

.portfolio-research-media.media-contain {
  display: grid;
  place-items: center;
  padding: 18px;
  background: #fff;
}

.portfolio-research-media.media-contain .portfolio-research-main-image {
  height: auto;
  max-height: 390px;
  object-fit: contain;
}

.portfolio-research-body {
  align-self: center;
  padding: clamp(20px, 3vw, 30px);
}

.portfolio-kicker {
  display: block;
  margin-bottom: 7px;
  color: var(--teal);
  font-family: var(--font-en);
  font-size: 12px;
  font-weight: 900;
  letter-spacing: 0.04em;
  text-transform: uppercase;
}

.portfolio-research-body h3,
.portfolio-project-body h3,
.portfolio-competition-body h3 {
  margin-bottom: 10px;
  font-family: var(--font-display-cn);
  font-size: clamp(22px, 2.5vw, 30px);
  line-height: 1.2;
}

.portfolio-research-body p,
.portfolio-project-body p,
.portfolio-competition-body p {
  margin-bottom: 8px;
  color: var(--muted);
  font-size: 14px;
  line-height: 1.62;
}

.portfolio-research-body p strong {
  color: var(--ink);
}

.portfolio-research-role {
  display: inline-flex;
  width: max-content;
  margin: -2px 0 12px;
  padding: 5px 10px;
  color: var(--ntu);
  background: var(--soft-blue);
  border: 1px solid rgba(35, 83, 162, 0.2);
  border-radius: 999px;
  font-size: 12px;
  font-weight: 900;
}

.portfolio-research-card .portfolio-metrics {
  grid-template-columns: repeat(auto-fit, minmax(104px, 1fr));
}

.portfolio-research-card .resume-link-row {
  align-items: center;
  margin-top: 14px;
}

.portfolio-research-card .resume-link-row .button {
  min-height: 36px;
  padding: 7px 13px;
  color: #fff;
  font-size: 12px;
}

.portfolio-metrics {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 8px;
  margin-top: 14px;
}

.portfolio-metrics span {
  min-width: 0;
  padding: 10px 11px;
  background: #f8fafc;
  border: 1px solid var(--line);
  border-radius: 8px;
}

.portfolio-metrics strong,
.portfolio-metrics span span {
  display: block;
}

.portfolio-metrics strong {
  color: var(--ntu);
  font-family: var(--font-en);
  font-size: 18px;
  line-height: 1.15;
}

.portfolio-metrics span {
  color: var(--muted);
  font-size: 11px;
  font-weight: 850;
  line-height: 1.35;
}

.portfolio-subsection-head {
  display: flex;
  align-items: end;
  justify-content: space-between;
  gap: 18px;
  margin: 28px 0 12px;
  padding-top: 18px;
  border-top: 1px solid var(--line);
}

.portfolio-subsection-head span {
  color: var(--teal);
  font-family: var(--font-en);
  font-size: 12px;
  font-weight: 900;
  text-transform: uppercase;
}

.portfolio-subsection-head h3 {
  margin: 2px 0 0;
  font-family: var(--font-display-cn);
  font-size: 24px;
}

.compact-secondary-head {
  margin-top: 20px;
}

.portfolio-project-card {
  display: grid;
  grid-template-columns: minmax(300px, 0.38fr) minmax(0, 0.62fr);
  overflow: hidden;
  background: rgba(255, 255, 255, 0.94);
  border: 1px solid var(--line);
  border-radius: 14px;
  box-shadow: var(--soft-shadow);
}

.portfolio-project-media {
  min-height: 310px;
  margin: 0;
  background: #e8eef4;
  border-right: 1px solid var(--line);
}

.portfolio-project-media img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.portfolio-project-media.media-contain {
  display: grid;
  place-items: center;
  padding: 14px;
  background: #fff;
}

.portfolio-project-media.media-contain img {
  display: block;
  width: 100%;
  height: auto;
  max-height: 360px;
  object-fit: contain;
}

.portfolio-project-body {
  padding: 22px 24px;
}

.portfolio-project-summary {
  color: #334155 !important;
}

.portfolio-project-meta {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 8px;
  margin: 12px 0;
}

.portfolio-project-meta span {
  min-width: 0;
  padding: 9px 10px;
  color: var(--muted);
  background: #f8fafc;
  border: 1px solid var(--line);
  border-radius: 8px;
  font-size: 12px;
  line-height: 1.45;
}

.portfolio-project-meta strong {
  display: block;
  margin-bottom: 3px;
  color: var(--teal);
  font-size: 11px;
}

.portfolio-bullet-list {
  display: grid;
  gap: 7px;
  margin: 12px 0 0;
  padding: 0;
  list-style: none;
}

.portfolio-bullet-list li {
  position: relative;
  padding-left: 17px;
  color: #334155;
  font-size: 13px;
  line-height: 1.58;
}

.portfolio-bullet-list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.7em;
  width: 6px;
  height: 6px;
  background: var(--teal);
  border-radius: 999px;
}

.portfolio-competition-card {
  display: grid;
  grid-template-columns: minmax(0, 1.05fr) minmax(360px, 0.95fr);
  overflow: hidden;
  background: rgba(255, 255, 255, 0.95);
  border: 1px solid var(--line);
  border-radius: 14px;
  box-shadow: var(--soft-shadow);
}

.portfolio-competition-card.featured {
  grid-template-columns: minmax(380px, 0.78fr) minmax(0, 1.22fr);
}

.portfolio-competition-card.roadshow {
  grid-template-columns: minmax(320px, 0.8fr) minmax(0, 1.2fr);
}

.portfolio-competition-media {
  display: grid;
  align-items: center;
  min-height: 340px;
  padding: 12px;
  background: #e8eef4;
  border-right: 1px solid var(--line);
}

.portfolio-competition-card.featured .portfolio-competition-media {
  align-content: center;
  gap: 8px;
}

.portfolio-competition-video,
.portfolio-competition-image {
  width: 100%;
  max-height: 520px;
  aspect-ratio: 16 / 9;
  object-fit: cover;
  background: #0f172a;
  border-radius: 8px;
}

.portfolio-competition-card.featured .portfolio-competition-video {
  max-height: 390px;
  object-fit: contain;
}

.portfolio-media-note {
  color: #64748b;
  font-size: 11px;
  font-weight: 750;
  text-align: right;
}

.patent-search-note {
  margin: -4px 0 12px;
  color: var(--muted);
  font-size: 12px;
}

.portfolio-competition-body {
  align-self: center;
  padding: 24px 26px;
}

.portfolio-role {
  color: var(--ntu) !important;
  font-weight: 900;
}

.portfolio-awards {
  display: flex;
  flex-wrap: wrap;
  gap: 7px;
  margin: 12px 0;
}

.portfolio-awards span {
  padding: 6px 9px;
  color: #7a0f20;
  background: #fde8ee;
  border: 1px solid rgba(165, 30, 50, 0.24);
  border-radius: 999px;
  font-size: 11px;
  font-weight: 900;
}

.portfolio-actions {
  gap: 8px;
  margin-top: 16px;
}

.portfolio-actions .button {
  min-height: 38px;
  padding: 8px 12px;
  font-size: 12px;
}

.portfolio-private-section {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  margin-top: 18px;
  padding: 24px;
  background: rgba(248, 250, 252, 0.9);
  border: 1px solid var(--line);
  border-radius: 14px;
}

.portfolio-private-copy span {
  color: var(--teal);
  font-family: var(--font-en);
  font-size: 12px;
  font-weight: 900;
  text-transform: uppercase;
}

.portfolio-private-copy h2 {
  margin: 2px 0 4px;
  font-size: 26px;
}

.portfolio-private-copy p {
  margin: 0;
  color: var(--muted);
  font-size: 13px;
}

.portfolio-private-actions {
  display: flex;
  flex-wrap: wrap;
  justify-content: flex-end;
  gap: 8px;
}

.private-access-dialog {
  width: min(92vw, 460px);
  padding: 0;
  background: transparent;
  border: 0;
}

.private-access-dialog::backdrop {
  background: rgba(15, 23, 42, 0.56);
  backdrop-filter: blur(4px);
}

.private-access-card {
  position: relative;
  padding: 26px;
  background: #fff;
  border: 1px solid var(--line);
  border-radius: 14px;
  box-shadow: var(--shadow);
}

.private-access-card h2 {
  margin: 4px 0 8px;
  font-size: 28px;
}

.private-access-card p,
.private-access-card small {
  color: var(--muted);
  font-size: 13px;
  line-height: 1.55;
}

.private-access-card label {
  display: block;
  margin: 16px 0 6px;
  color: var(--ink);
  font-size: 13px;
  font-weight: 900;
}

.private-access-card input {
  width: 100%;
  height: 44px;
  padding: 8px 12px;
  color: var(--ink);
  background: #f8fafc;
  border: 1px solid var(--line-strong);
  border-radius: 8px;
  font: inherit;
}

.private-access-card input:focus {
  border-color: var(--ntu);
  outline: 3px solid rgba(35, 83, 162, 0.14);
}

.private-access-close {
  position: absolute;
  right: 14px;
  top: 12px;
  width: 34px;
  height: 34px;
  color: var(--muted);
  background: transparent;
  border: 0;
  cursor: pointer;
  font-size: 25px;
}

.private-access-error {
  min-height: 20px;
  margin: 7px 0 0 !important;
  color: var(--sdu) !important;
  font-weight: 800;
}

.private-access-actions {
  display: flex;
  justify-content: flex-end;
  gap: 8px;
  margin: 10px 0 14px;
}

.research-detail-main {
  padding: 28px 0 20px;
}

.research-detail-hero {
  display: grid;
  grid-template-columns: minmax(0, 1.05fr) minmax(380px, 0.95fr);
  overflow: hidden;
  background: rgba(255, 255, 255, 0.95);
  border: 1px solid var(--line);
  border-radius: 18px;
  box-shadow: var(--shadow);
}

.research-detail-hero-copy {
  align-self: center;
  padding: clamp(28px, 4vw, 52px);
}

.research-back-link {
  display: block;
  width: max-content;
  margin-bottom: 20px;
  color: var(--ntu);
  font-size: 13px;
  font-weight: 900;
}

.research-detail-hero h1 {
  max-width: none;
  margin: 9px 0 12px;
  font-size: clamp(34px, 4.2vw, 54px);
}

.research-detail-hero-copy > p {
  max-width: 720px;
  margin: 10px 0 0;
  color: var(--muted);
  font-size: 16px;
  line-height: 1.75;
}

.research-detail-hero-media {
  min-height: 460px;
  margin: 0;
  background: #e7edf3;
}

.research-detail-hero-media img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.research-detail-hero-media.contain-media {
  padding: 18px;
  background: #fff;
}

.research-detail-hero-media.contain-media img {
  object-fit: contain;
}

.research-detail-metrics {
  grid-template-columns: repeat(auto-fit, minmax(118px, 1fr));
  margin-top: 22px;
}

.research-detail-flow {
  display: grid;
  grid-template-columns: repeat(5, minmax(0, 1fr));
  gap: 10px;
  margin: 18px 0 0;
}

.research-detail-flow a {
  display: flex;
  align-items: center;
  gap: 10px;
  min-height: 58px;
  padding: 10px 14px;
  color: #334155;
  background: rgba(255, 255, 255, 0.84);
  border: 1px solid var(--line);
  border-radius: 10px;
  font-size: 13px;
  font-weight: 900;
}

.research-detail-flow span {
  color: var(--teal);
  font-family: var(--font-en);
  font-size: 18px;
}

.research-detail-section {
  scroll-margin-top: 110px;
  padding: 44px 0 0;
}

.research-section-heading {
  margin-bottom: 16px;
}

.research-section-heading span {
  color: var(--teal);
  font-family: var(--font-en);
  font-size: 12px;
  font-weight: 900;
  letter-spacing: 0.04em;
  text-transform: uppercase;
}

.research-section-heading h2 {
  margin: 4px 0 0;
  font-size: clamp(28px, 3.2vw, 40px);
}

.research-question-card,
.research-detail-split,
.research-design-card,
.research-experiment-card {
  background: rgba(255, 255, 255, 0.94);
  border: 1px solid var(--line);
  border-radius: 14px;
  box-shadow: var(--soft-shadow);
}

.research-question-card {
  display: grid;
  grid-template-columns: minmax(0, 1.1fr) minmax(320px, 0.9fr);
  gap: 28px;
  align-items: center;
  padding: clamp(24px, 3vw, 36px);
}

.research-question-card p,
.research-detail-copy p {
  margin: 0;
  color: var(--muted);
  font-size: 15px;
  line-height: 1.78;
}

.research-question-card strong {
  padding: 18px 20px;
  color: #0f2747;
  background: linear-gradient(135deg, var(--soft-blue), var(--soft-teal));
  border-left: 4px solid var(--teal);
  border-radius: 8px;
  font-size: 18px;
  line-height: 1.65;
}

.research-detail-split {
  display: grid;
  grid-template-columns: minmax(360px, 0.92fr) minmax(0, 1.08fr);
  overflow: hidden;
}

.research-evidence-media {
  min-width: 0;
  min-height: 340px;
  margin: 0;
  padding: 12px;
  background: #e8eef4;
  border-right: 1px solid var(--line);
}

.research-detail-split.reverse-layout .research-evidence-media {
  border-right: 0;
  border-left: 1px solid var(--line);
}

.research-evidence-media img {
  width: 100%;
  height: 100%;
  max-height: 470px;
  object-fit: cover;
  border-radius: 8px;
}

.research-detail-hero-media img.is-rotated-180,
.research-evidence-media img.is-rotated-180 {
  transform: rotate(180deg);
}

.research-evidence-media.contain-media {
  display: grid;
  grid-template-rows: minmax(0, 1fr) auto;
  background: #fff;
}

.research-evidence-media.contain-media img {
  object-fit: contain;
}

.research-evidence-media figcaption {
  padding: 9px 4px 0;
  color: var(--muted);
  font-size: 12px;
  font-weight: 800;
  text-align: center;
}

.research-detail-copy {
  min-width: 0;
  align-self: center;
  padding: clamp(24px, 3.2vw, 40px);
}

.research-detail-copy h3 {
  margin-bottom: 12px;
  font-family: var(--font-display-cn);
  font-size: 25px;
}

.research-equation {
  display: block;
  min-width: 0;
  margin: 20px 0;
  padding: 15px 18px;
  overflow: visible;
  color: #0f2747;
  background: #f5f8fb;
  border: 1px solid var(--line);
  border-left: 4px solid var(--ntu);
  border-radius: 8px;
  font-family: "Cambria Math", "STIX Two Math", var(--font-en), serif;
  font-size: clamp(16px, 2vw, 21px);
  font-style: normal;
  line-height: 1.65;
  white-space: normal;
}

.equation-stack {
  display: grid;
  gap: 11px;
  width: 100%;
}

.equation-line {
  display: grid;
  grid-template-columns: 90px minmax(0, 1fr);
  align-items: center;
  gap: 16px;
  min-height: 42px;
}

.equation-line + .equation-line {
  padding-top: 10px;
  border-top: 1px solid #dce5ef;
}

.equation-label {
  color: #52708f;
  font-family: var(--font-cn);
  font-size: 12px;
  font-style: normal;
  font-weight: 800;
  letter-spacing: 0.08em;
}

.equation-expression {
  display: flex;
  align-items: center;
  min-width: 0;
  max-width: 100%;
  overflow-x: auto;
  overflow-y: hidden;
  padding: 7px 2px;
  color: #0f2747;
  font-size: 21px;
  scrollbar-width: thin;
}

.equation-expression math {
  flex: 0 0 auto;
  font-family: "Cambria Math", "STIX Two Math", math;
  font-size: inherit;
}

.equation-expression:focus-visible {
  outline: 2px solid var(--ntu);
  outline-offset: 2px;
}

.research-equation .equation-note {
  margin: 14px 0 0;
  color: #52657b;
  font: 13px/1.7 var(--font-cn);
}

.dissertation-formula-row > .equation-line {
  flex: 1 1 350px;
  min-width: 0;
  padding: 14px;
  border: 1px solid var(--line);
  border-radius: 10px;
  background: #f5f8fb;
}

@media (max-width: 640px) {
  .research-equation {
    padding: 14px;
  }

  .equation-line {
    grid-template-columns: 1fr;
    gap: 5px;
  }

  .equation-label {
    font-size: 11px;
  }

  .equation-expression {
    font-size: 17px;
  }
}

.research-detail-points {
  display: grid;
  gap: 9px;
  margin: 18px 0 0;
  padding: 0;
  list-style: none;
}

.research-detail-points li {
  position: relative;
  padding-left: 18px;
  color: #334155;
  font-size: 14px;
  line-height: 1.62;
}

.research-detail-points li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.72em;
  width: 7px;
  height: 7px;
  background: var(--teal);
  border-radius: 999px;
}

.research-design-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 14px;
}

.research-design-card {
  padding: 24px;
}

.research-design-card > span {
  color: var(--teal);
  font-family: var(--font-en);
  font-size: 18px;
  font-weight: 900;
}

.research-design-card h3 {
  margin: 12px 0 9px;
  font-family: var(--font-display-cn);
  font-size: 22px;
}

.research-design-card p {
  margin: 0;
  color: var(--muted);
  font-size: 14px;
  line-height: 1.68;
}

.research-evidence-gallery {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 14px;
  margin-top: 16px;
}

.research-design-evidence {
  grid-template-columns: repeat(3, minmax(0, 1fr));
}

.research-design-evidence.evidence-count-2 {
  grid-template-columns: repeat(2, minmax(0, 1fr));
}

.oht-design-evidence {
  grid-template-columns: repeat(2, minmax(0, 1fr));
  align-items: start;
}

.oht-design-evidence .research-evidence-card {
  align-self: start;
}

.oht-design-evidence .research-evidence-card:nth-child(1) {
  grid-column: 1;
  grid-row: 1;
}

.oht-design-evidence .research-evidence-card:nth-child(2) {
  grid-column: 1;
  grid-row: 2;
}

.oht-design-evidence .research-evidence-card:nth-child(3) {
  grid-column: 2;
  grid-row: 1 / span 2;
}

.research-waveform-gallery {
  grid-template-columns: repeat(2, minmax(0, 1fr));
  align-items: start;
}

.research-waveform-gallery.evidence-count-5 .research-evidence-card:nth-child(1) {
  grid-column: 1;
  grid-row: 1 / span 2;
}

.research-waveform-gallery.evidence-count-5 .research-evidence-card:nth-child(2) {
  grid-column: 2;
  grid-row: 1;
}

.research-waveform-gallery.evidence-count-5 .research-evidence-card:nth-child(3) {
  grid-column: 2;
  grid-row: 2;
}

.research-waveform-gallery.evidence-count-5 .research-evidence-card:nth-child(4) {
  grid-column: 1;
  grid-row: 3;
}

.research-waveform-gallery.evidence-count-5 .research-evidence-card:nth-child(5) {
  grid-column: 2;
  grid-row: 3;
}

.research-evidence-card {
  display: grid;
  grid-template-rows: minmax(220px, 1fr) auto;
  min-width: 0;
  margin: 0;
  overflow: hidden;
  background: rgba(255, 255, 255, 0.94);
  border: 1px solid var(--line);
  border-radius: 12px;
  box-shadow: var(--soft-shadow);
  align-self: start;
}

.research-evidence-card img {
  width: 100%;
  height: 100%;
  max-height: 310px;
  padding: 10px;
  object-fit: contain;
  background: #f7f9fb;
}

.research-evidence-image-link {
  display: block;
  overflow: hidden;
  background: #fff;
  cursor: zoom-in;
}

.research-evidence-card figcaption {
  padding: 11px 14px 13px;
  color: #475569;
  border-top: 1px solid var(--line);
  font-size: 12px;
  font-weight: 800;
  line-height: 1.5;
}

.research-evidence-card figcaption span {
  float: right;
  margin-left: 10px;
  color: var(--ntu);
  font-size: 11px;
  font-weight: 900;
}

.research-design-evidence .research-evidence-card,
.research-waveform-gallery .research-evidence-card {
  display: block;
}

.research-design-evidence .research-evidence-card img,
.research-waveform-gallery .research-evidence-card img {
  height: auto;
  min-height: 0;
  max-height: none;
}

.research-waveform-gallery .research-evidence-card img {
  display: block;
  width: 100%;
  max-width: 100%;
  margin-left: 0;
  padding: 0;
  background: #fff;
}

.research-experiment-card {
  display: grid;
  grid-template-columns: minmax(390px, 1fr) minmax(0, 1fr);
  overflow: hidden;
}

.research-experiment-card.is-wide-media {
  grid-template-columns: 1fr;
}

.research-experiment-card.is-wide-media .research-evidence-media {
  border-bottom: 1px solid var(--line);
}

.research-experiment-card .research-evidence-media {
  padding: 0;
}

.research-experiment-card .research-evidence-media img {
  max-height: none;
  border-radius: 0;
}

.research-result-strip {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-top: 20px;
}

.research-result-strip span {
  padding: 7px 11px;
  color: var(--ntu);
  background: var(--soft-blue);
  border: 1px solid rgba(35, 83, 162, 0.2);
  border-radius: 999px;
  font-size: 12px;
  font-weight: 900;
}

@media (max-width: 980px) {
  .portfolio-research-card,
  .portfolio-project-card,
  .portfolio-competition-card,
  .portfolio-competition-card.featured,
  .portfolio-competition-card.roadshow {
    grid-template-columns: 1fr;
  }

  .portfolio-research-card:nth-child(even) .portfolio-research-media {
    order: 0;
    border-left: 0;
  }

  .portfolio-research-media,
  .portfolio-project-media,
  .portfolio-competition-media {
    border-right: 0;
    border-bottom: 1px solid var(--line);
  }

  .portfolio-project-media {
    min-height: 260px;
  }

  .portfolio-private-section {
    align-items: flex-start;
    flex-direction: column;
  }

  .portfolio-private-actions {
    justify-content: flex-start;
  }

  .research-detail-hero,
  .research-question-card,
  .research-detail-split,
  .research-experiment-card {
    grid-template-columns: 1fr;
  }

  .research-detail-hero-media {
    min-height: 360px;
  }

  .research-detail-flow {
    overflow-x: auto;
    grid-template-columns: repeat(5, minmax(155px, 1fr));
    padding-bottom: 5px;
  }

  .research-detail-split.reverse-layout .research-evidence-media,
  .research-evidence-media {
    border-right: 0;
    border-left: 0;
    border-bottom: 1px solid var(--line);
  }

  .research-detail-split.reverse-layout .research-evidence-media {
    order: -1;
  }

  .research-design-grid {
    grid-template-columns: 1fr;
  }

  .dissertation-chapter-card {
    grid-template-columns: 1fr;
  }

  .dissertation-chapter-summary {
    border-right: 0;
    border-bottom: 1px solid var(--line);
  }

  .research-design-evidence,
  .research-waveform-gallery {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

@media (max-width: 720px) {
  .research-detail-flow {
    overflow: visible;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    padding-bottom: 0;
  }

  .research-detail-flow a:last-child {
    grid-column: 1 / -1;
  }

  .nav-private-divider {
    display: none;
  }

  .nav-private-link {
    min-height: 38px;
    padding: 7px 11px;
    font-size: 13px;
  }

  .resume-research-title {
    font-size: 20px;
  }

  .resume-hero-card {
    padding: 18px;
  }

  .resume-identity {
    align-items: flex-start;
    gap: 13px;
  }

  .resume-identity-photo {
    width: 72px;
    height: 92px;
  }

  .resume-capability-foot a {
    width: 100%;
    margin-left: 0;
  }

  .portfolio-research-main-image {
    min-height: 210px;
  }

  .portfolio-research-body,
  .portfolio-project-body,
  .portfolio-competition-body {
    padding: 18px;
  }

  .portfolio-metrics,
  .portfolio-project-meta {
    grid-template-columns: 1fr;
  }

  .portfolio-subsection-head {
    align-items: flex-start;
    flex-direction: column;
  }

  .portfolio-project-media,
  .portfolio-competition-media {
    min-height: 0;
  }

  .portfolio-competition-media {
    padding: 8px;
  }

  .portfolio-private-section {
    padding: 18px;
  }

  .portfolio-private-actions .button {
    width: 100%;
  }

  .research-detail-main {
    padding-top: 16px;
  }

  .research-detail-hero-copy {
    padding: 22px 18px;
  }

  .research-detail-hero-media {
    min-height: 250px;
  }

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

  .research-detail-section {
    padding-top: 34px;
  }

  .research-question-card,
  .research-detail-copy,
  .research-design-card {
    padding: 18px;
  }

  .research-question-card {
    gap: 16px;
  }

  .research-question-card strong {
    font-size: 16px;
  }

  .research-evidence-media {
    min-height: 240px;
  }

  .research-evidence-gallery,
  .research-design-evidence,
  .research-design-evidence.evidence-count-2,
  .research-waveform-gallery {
    grid-template-columns: 1fr;
  }

  .research-evidence-card {
    grid-template-rows: auto auto;
  }

  .research-evidence-card img {
    height: auto;
    max-height: 300px;
  }

  .dissertation-section-outline {
    padding: 15px;
  }

  .dissertation-section-outline ol {
    grid-template-columns: 1fr;
  }

  .research-evidence-card figcaption span {
    display: block;
    float: none;
    margin: 3px 0 0;
  }

  .oht-design-evidence .research-evidence-card:nth-child(n) {
    grid-column: auto;
    grid-row: auto;
  }

  .research-waveform-gallery.evidence-count-5 .research-evidence-card:nth-child(n) {
    grid-column: auto;
    grid-row: auto;
  }
}

/* Dissertation outline: synchronized section and subsection headings. */
.dissertation-section-outline > ol { display: grid; grid-template-columns: 1fr; gap: 10px; }
.dissertation-section-outline > ol > .dissertation-outline-section { display: block; padding: 12px 14px; }
.dissertation-outline-heading { display: grid; grid-template-columns: 46px minmax(0, 1fr); gap: 8px; align-items: baseline; line-height: 1.65; }
.dissertation-section-outline .dissertation-subsections { display: grid; grid-template-columns: 1fr; gap: 5px; margin: 8px 0 0 46px; padding: 3px 0 2px 12px; border-left: 2px solid #d8e4e8; }
.dissertation-section-outline .dissertation-subsections > li { display: grid; grid-template-columns: 60px minmax(0, 1fr); gap: 6px; padding: 2px 0; border: 0; border-radius: 0; background: transparent; font-size: 13px; line-height: 1.65; }
.dissertation-subsections > li > span:last-child { color: #354e60; font-weight: 400; }
@media (max-width: 640px) {
  .dissertation-outline-heading { grid-template-columns: 38px minmax(0, 1fr); gap: 5px; }
  .dissertation-section-outline > ol > .dissertation-outline-section { padding: 10px; }
  .dissertation-section-outline .dissertation-subsections { margin-left: 0; padding-left: 9px; }
  .dissertation-section-outline .dissertation-subsections > li { grid-template-columns: 53px minmax(0, 1fr); font-size: 12px; }
}