.hero-section {
  background: transparent;
  min-height: calc(100vh - 69px);
  min-height: calc(100svh - 69px);
  overflow: hidden;
  position: relative;
}

.hero-shell {
  align-items: center;
  display: grid;
  gap: clamp(32px, 7vw, 96px);
  grid-template-columns: minmax(0, 1fr) minmax(280px, 0.75fr);
  min-height: calc(100vh - 69px);
  min-height: calc(100svh - 69px);
  opacity: var(--hero-fade, 1);
  padding: 36px clamp(20px, 4vw, 48px) 48px;
  transition: opacity 140ms linear;
  max-width: var(--max-content);
  margin: 0 auto;
  width: 100%;
}

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

.eyebrow {
  color: var(--color-blue);
  display: inline-block;
  font-size: 14px;
  font-weight: 600;
  letter-spacing: 0.02em;
  margin-bottom: 12px;
  text-transform: uppercase;
}

.lede {
  color: var(--color-muted);
}

.hero-section h1 {
  font-size: clamp(72px, 12vw, 150px);
  letter-spacing: -0.04em;
  line-height: 1;
  margin: 16px 0;
}

.hero-roles {
  color: var(--color-muted);
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-bottom: 24px;
}

.hero-roles span,
.tool-list span,
.tag-cloud span {
  background: rgba(0, 113, 227, 0.06);
  border: 1px solid rgba(0, 113, 227, 0.15);
  border-radius: 999px;
  color: var(--color-blue);
  padding: 8px 13px;
}

.lede {
  font-size: 18px;
  line-height: 1.75;
  max-width: 560px;
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 28px;
}

.hero-visual {
  align-items: center;
  display: flex;
  justify-content: center;
  min-height: clamp(320px, 60vw, 560px);
  position: relative;
}

.portrait-card {
  aspect-ratio: 3 / 4;
  border-radius: 32px;
  box-shadow:
    0 28px 80px rgba(0, 0, 0, 0.12),
    0 0 80px rgba(0, 113, 227, 0.06);
  max-width: clamp(200px, 40vw, 460px);
  overflow: hidden;
  position: relative;
  width: 100%;
  transition: box-shadow 400ms ease, transform 400ms cubic-bezier(0.2, 0.8, 0.2, 1);
}

.portrait-card:hover {
  box-shadow:
    0 28px 80px rgba(0, 0, 0, 0.15),
    0 0 120px rgba(0, 113, 227, 0.1);
  transform: translateY(-4px);
}

.portrait-card .responsive-image {
  height: 100%;
  width: 100%;
}

.portrait-card img {
  height: 100%;
  object-fit: cover;
  width: 100%;
  transition: transform 600ms cubic-bezier(0.2, 0.8, 0.2, 1);
}

.portrait-card:hover img {
  transform: scale(1.04);
}

.floating-pill {
  background: rgba(255, 255, 255, 0.92);
  border-radius: 999px;
  box-shadow: 0 18px 40px rgba(0, 0, 0, 0.12);
  color: #1d1d1f;
  font-size: 14px;
  font-weight: 700;
  padding: 12px 16px;
  position: absolute;
  z-index: 2;
  transition: transform 300ms ease, box-shadow 300ms ease;
  backdrop-filter: blur(8px);
}

.floating-pill:hover {
  transform: scale(1.06) translateY(-2px);
  box-shadow: 0 24px 50px rgba(0, 0, 0, 0.16);
}

.pill-apple {
  right: 2%;
  top: 12%;
}

.pill-vr {
  left: 2%;
  top: 50%;
}

.pill-ai {
  bottom: 16%;
  right: 12%;
}

.intro-section {
  padding-top: 180px;
  position: relative;
  z-index: 1;
}

.intro-grid {
  align-items: center;
  display: grid;
  gap: 32px;
  grid-template-columns: minmax(0, 1fr) minmax(0, 1fr);
}

.tool-vertical {
  background: var(--color-panel);
  border: 1px solid var(--color-line);
  border-radius: 32px;
  padding: clamp(24px, 4vw, 44px);
}

.tool-intro {
  color: var(--color-muted-strong);
  line-height: 1.8;
  margin: 0 0 20px;
}

.tool-image-vertical {
  height: auto;
  margin-bottom: 20px;
  object-fit: contain;
  width: 100%;
}

.tool-list {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
}

.tool-list span {
  background: rgba(0, 113, 227, 0.06);
  border: 1px solid rgba(0, 113, 227, 0.15);
  border-radius: 999px;
  color: var(--color-blue);
  padding: 8px 13px;
}

.intro-card,
.tool-copy,
.professional-panel,
.contact-panel {
  background: var(--color-panel);
  border: 1px solid var(--color-line);
  border-radius: 32px;
  padding: clamp(24px, 4vw, 44px);
}

.intro-card p,
.tool-copy p,
.contact-panel p {
  color: var(--color-muted-strong);
  line-height: 1.8;
  margin: 0 0 16px;
}

.skill-grid,
.honor-grid {
  display: grid;
  gap: 16px;
  grid-template-columns: repeat(3, minmax(0, 1fr));
}

.skill-card,
.honor-card,
.detail-card {
  background: var(--color-panel);
  border: 1px solid var(--color-line);
  border-radius: 24px;
  min-height: 240px;
  padding: 24px;
  transition: border-color 300ms ease, box-shadow 300ms ease, transform 300ms ease;
}

.skill-card:hover,
.honor-card:hover {
  border-color: rgba(10, 132, 255, 0.35);
  box-shadow: 0 12px 48px rgba(0, 0, 0, 0.3), 0 0 40px rgba(10, 132, 255, 0.06);
  transform: translateY(-4px);
}

.skill-card span,
.honor-card span,
.project-card span {
  color: var(--color-blue-soft);
  font-size: 13px;
  font-weight: 800;
  letter-spacing: 0.1em;
  text-transform: uppercase;
}

.honor-card {
  background: var(--color-panel);
  border: 1px solid var(--color-line);
  border-radius: 24px;
  min-height: 160px;
  padding: 24px;
  transition: border-color 300ms ease, box-shadow 300ms ease, transform 300ms ease;
}

.honor-card:hover {
  border-color: rgba(10, 132, 255, 0.35);
  box-shadow: 0 12px 48px rgba(0, 0, 0, 0.3), 0 0 40px rgba(10, 132, 255, 0.06);
  transform: translateY(-4px);
}

.honor-card h3 {
  font-size: clamp(18px, 2.5vw, 28px);
  letter-spacing: -0.03em;
  margin: 0 0 12px;
}

.honor-award {
  color: var(--color-blue);
  font-size: 14px;
  font-weight: 600;
  margin: 0;
}

.honor-card p {
  color: var(--color-muted-strong);
  line-height: 1.7;
  margin: 0;
}

.skill-card p,
.honor-card p {
  color: var(--color-muted-strong);
  line-height: 1.7;
  margin: 0;
}

.professional-panel {
  align-items: center;
  display: grid;
  gap: 32px;
  grid-template-columns: 0.8fr 1.2fr;
  overflow: hidden;
}

.professional-panel h2 {
  font-size: clamp(42px, 7vw, 92px);
  letter-spacing: -0.05em;
  line-height: 0.95;
  margin: 0;
}

.tag-cloud,
.tool-list {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
}

.tag-cloud span {
  background: rgba(0, 113, 227, 0.06);
  color: var(--color-blue);
}

.tool-board {
  background: var(--color-panel);
  border: 1px solid var(--color-line);
  border-radius: 32px;
  min-height: 320px;
  overflow: hidden;
  padding: 16px;
}

.tool-image {
  border-radius: 22px;
  height: 100%;
  object-fit: contain;
  width: 100%;
}

.timeline-list {
  border-top: 1px solid var(--color-line);
}

.timeline-item {
  align-items: center;
  border-bottom: 1px solid var(--color-line);
  display: flex;
  gap: 24px;
  justify-content: space-between;
  padding: 18px 0;
  transition: all 200ms ease;
}

.timeline-content {
  flex: 1;
  transition: transform 200ms ease;
}

.timeline-item:hover .timeline-content {
  transform: scale(1.03);
  color: var(--color-blue);
}

.timeline-item:hover h3 {
  color: var(--color-blue);
}

.timeline-content h3 {
  font-size: clamp(16px, 2vw, 24px);
  letter-spacing: -0.02em;
  margin: 0 0 4px;
}

.timeline-role {
  color: var(--color-blue);
  font-size: 13px;
  font-weight: 600;
  margin: 0;
}

.timeline-date {
  color: var(--color-muted);
  font-size: 13px;
  flex-shrink: 0;
}

.timeline-item > span {
  color: var(--color-blue-soft);
  font-weight: 800;
}

.timeline-item p {
  color: var(--color-muted-strong);
  line-height: 1.7;
  margin: 0;
}

.work-preview-grid {
  display: grid;
  gap: 18px;
  grid-template-columns: repeat(2, minmax(0, 1fr));
}

.project-card {
  background: var(--color-panel);
  border: 1px solid var(--color-line);
  border-radius: 28px;
  color: var(--color-text);
  display: grid;
  gap: 20px;
  overflow: hidden;
  padding: 16px;
  transition: transform 220ms ease, border-color 220ms ease, box-shadow 220ms ease;
}

.project-card:hover {
  border-color: rgba(10, 132, 255, 0.5);
  transform: translateY(-2px);
  box-shadow:
    0 12px 40px rgba(0, 0, 0, 0.3),
    0 0 40px rgba(10, 132, 255, 0.06);
}

.project-card img {
  aspect-ratio: 700 / 569;
  border-radius: 18px;
  height: auto;
  object-fit: cover;
  width: 100%;
}

.project-card-huazhongyou,
.project-card-drumgo,
.project-card-ansoul,
.project-card-lv {
  --card-image-ratio: 16 / 10;
}

.project-card div {
  padding: 0 8px 8px;
}

.project-card h3 {
  font-size: clamp(28px, 4vw, 44px);
  letter-spacing: -0.04em;
  margin: 8px 0;
}

.project-card p {
  color: var(--color-muted-strong);
  line-height: 1.6;
  margin: 0;
}

.certificate-section {
  position: relative;
}

.certificate-list {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 20px;
  margin-top: 32px;
}

.certificate-item {
  background: transparent;
  border: 0;
  border-radius: 20px;
  overflow: hidden;
  padding: 0;
  aspect-ratio: 5 / 7;
  opacity: 1;
  transform: translate3d(0, 0, 0) scale(1);
  transform-origin: center bottom;
  transition: opacity 520ms cubic-bezier(0.45, 0, 0.35, 1),
    transform 620ms cubic-bezier(0.45, 0, 0.35, 1);
}

.js-enabled .certificate-list.reveal-ready .certificate-item {
  opacity: 0.5;
  transform: translate3d(0, 32px, 0) scale(0.8);
}

.js-enabled .certificate-list.reveal-ready .certificate-item.visible,
.certificate-item.visible {
  opacity: 1;
  transform: translate3d(0, 0, 0) scale(1);
}

.certificate-item .responsive-image {
  height: 100%;
  overflow: hidden;
  width: 100%;
}

.certificate-item img {
  aspect-ratio: auto;
  display: block;
  object-fit: cover;
  transition: filter 300ms ease;
  width: 100%;
  height: 100%;
}

.certificate-item:hover img {
  filter: brightness(1.03);
}

@media (max-width: 900px) {
  .hero-shell,
  .intro-grid,
  .tools-layout,
  .professional-panel {
    grid-template-columns: 1fr;
  }

  .hero-visual {
    min-height: clamp(240px, 50vw, 400px);
  }

  .skill-grid,
  .honor-grid,
  .work-preview-grid {
    grid-template-columns: 1fr;
  }

  .certificate-list {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (max-width: 600px) {
  .portrait-card {
    max-width: clamp(160px, 60vw, 280px);
  }

  .portrait-card img {
    aspect-ratio: 3 / 4;
  }

  .honor-card {
    min-height: 80px;
    padding: 16px;
  }

  .honor-card h3 {
    font-size: 14px;
    margin-bottom: 8px;
  }

  .honor-award {
    font-size: 12px;
  }

  .hero-visual {
    min-height: clamp(180px, 45vw, 280px);
  }

  .floating-pill {
    font-size: 12px;
    padding: 10px 12px;
  }

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

  .dot-a,
  .dot-b {
    opacity: 0.42;
  }

  .certificate-list {
    grid-template-columns: repeat(2, 1fr);
  }
}

.contact-panel {
  min-height: 420px;
}

.contact-panel h2 {
  font-size: clamp(42px, 8vw, 96px);
  letter-spacing: -0.05em;
  line-height: 0.95;
  margin: 0 0 20px;
  max-width: 780px;
}

.contact-section {
  position: relative;
}

.contact-physics {
  background: var(--color-panel);
  border: 1px solid var(--color-line);
  border-radius: 32px;
  height: 320px;
  margin-top: 48px;
  overflow: hidden;
  position: relative;
  width: 100%;
}

.physics-item {
  align-items: center;
  background: rgba(0, 113, 227, 0.08);
  border: 1px solid rgba(0, 113, 227, 0.2);
  border-radius: 999px;
  color: var(--color-blue);
  display: flex;
  font-size: 15px;
  font-weight: 600;
  padding: 12px 20px;
  position: absolute;
  will-change: transform;
}

@media (max-width: 900px) {
  .hero-shell,
  .intro-grid,
  .tools-layout,
  .professional-panel {
    grid-template-columns: 1fr;
  }

  .hero-visual {
    min-height: 460px;
  }

  .skill-grid,
  .honor-grid,
  .work-preview-grid {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 600px) {
  .floating-pill {
    font-size: 12px;
    padding: 10px 12px;
  }

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

  .dot-a,
  .dot-b {
    opacity: 0.42;
  }
}

@media (max-width: 720px) {
  .hero-section {
    min-height: auto;
    overflow: visible;
    padding-top: 28px;
  }

  .hero-shell {
    align-items: center;
    gap: 22px;
    min-height: auto;
    padding: 16px clamp(20px, 6vw, 32px) 36px;
  }

  .hero-section h1 {
    font-size: clamp(54px, 17vw, 88px);
    margin: 8px 0;
  }

  .eyebrow {
    font-size: 12px;
    margin-bottom: 8px;
  }

  .lede {
    font-size: 15px;
    line-height: 1.65;
  }

  .hero-actions {
    margin-top: 18px;
  }

  .hero-visual {
    min-height: clamp(220px, 70vw, 330px);
  }

  .portrait-card {
    aspect-ratio: 4 / 5;
    max-width: min(68vw, 260px);
  }

  .floating-pill {
    font-size: 12px;
    padding: 9px 12px;
  }

  .pill-apple {
    right: 4%;
    top: 5%;
  }

  .pill-vr {
    left: 4%;
    top: 48%;
  }

  .pill-ai {
    bottom: 8%;
    right: 8%;
  }
}

@media (max-width: 420px) {
  .hero-section {
    padding-top: 24px;
  }

  .hero-shell {
    padding-top: 12px;
  }

  .hero-visual {
    min-height: 220px;
  }

  .portrait-card {
    max-width: 220px;
  }
}