/* ===== NEW SECTIONS: appended styles for Shine Yuan portfolio ===== */

/* --- Hero title single line --- */
.hero-title-single {
  white-space: nowrap;
  font-size: 7rem !important;
  /* Slightly smaller */
}

/* --- Hero social links row --- */
.hero-socials {
  display: flex;
  flex-wrap: wrap;
  gap: 12px 24px;
  /* Increased gap */
  margin-top: 48px;
  /* Increased margin */
}

.hero-social-link {
  --social-fill: linear-gradient(135deg, #3487ff, #05265e);
  --social-glow: rgba(52, 135, 255, 0.35);
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 6px 14px;
  border: 1px solid rgba(255, 255, 255, 0.12);
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.04);
  color: rgba(255, 255, 255, 0.7);
  font-size: 0.85rem;
  font-weight: 500;
  box-shadow: 0 0 0 rgba(0, 0, 0, 0);
  transition: background 220ms ease, border-color 220ms ease, color 220ms ease, transform 220ms ease, box-shadow 220ms ease;
}

.hero-social-link:nth-child(1) {
  --social-fill: linear-gradient(135deg, #ff8a00, #d85c14);
  --social-glow: rgba(255, 138, 0, 0.32);
}

.hero-social-link:nth-child(2) {
  --social-fill: linear-gradient(135deg, #7c3cff, #2d0b5e);
  --social-glow: rgba(124, 60, 255, 0.34);
}

.hero-social-link:nth-child(3) {
  --social-fill: linear-gradient(135deg, #fb7299, #ff4da6 52%, #d4146e);
  --social-glow: rgba(251, 114, 153, 0.4);
}

.hero-social-link.social-bilibili {
  --social-fill: linear-gradient(135deg, #fb7299, #ff4da6 52%, #d4146e);
  --social-glow: rgba(251, 114, 153, 0.4);
}

.hero-social-link:nth-child(4) {
  --social-fill: linear-gradient(135deg, #ff2442, #d80074);
  --social-glow: rgba(255, 36, 66, 0.34);
}

.hero-social-link:nth-child(5) {
  --social-fill: linear-gradient(135deg, #00f5ff, #1a1a1a 48%, #ff2d75);
  --social-glow: rgba(255, 45, 117, 0.34);
}

.hero-social-link:hover,
.hero-social-link:focus-visible {
  background: var(--social-fill);
  border-color: rgba(255, 255, 255, 0.34);
  color: #fff;
  box-shadow: 0 18px 36px rgba(0, 0, 0, 0.35), 0 0 28px var(--social-glow);
  transform: translateY(-2px);
}

.hero-social-link.social-bilibili:hover,
.hero-social-link.social-bilibili:focus-visible {
  background: linear-gradient(135deg, #fb7299, #ff4da6 52%, #d4146e) !important;
  box-shadow: 0 18px 36px rgba(0, 0, 0, 0.35), 0 0 30px rgba(251, 114, 153, 0.42);
}

.hero-social-link svg {
  width: 15px;
  height: 15px;
  fill: none;
  stroke: currentColor;
  stroke-width: 1.6;
}

/* --- Avatar Photo (replaces CSS illustration) --- */
.avatar-photo {
  position: relative;
  width: 142px;
  height: 142px;
  overflow: hidden;
  border-radius: 8px;
  box-shadow: var(--shadow);
}

.avatar-photo picture {
  display: block;
  width: 100%;
  height: 100%;
}

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

/* --- Project description text --- */
.project-desc {
  margin: 10px 0 0;
  color: var(--muted);
  font-size: 0.88rem;
  line-height: 1.55;
  max-width: 340px;
}

/* --- Project card images --- */
.project-visual.has-img {
  overflow: hidden;
}

.project-visual.has-img img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
  border-radius: inherit;
}

/* --- Feature card images (carousel) --- */
.feature-img {
  position: absolute;
  inset: 0;
  overflow: hidden;
}

.feature-img img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
  opacity: 0.7;
  transition: opacity 300ms ease, transform 400ms ease;
}

.feature-card:hover .feature-img img {
  opacity: 1;
  transform: scale(1.04);
}

.feature-label {
  position: absolute;
  left: 24px;
  bottom: 24px;
  z-index: 2;
}

.feature-label span {
  display: inline-block;
  padding: 6px 16px;
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.15);
  backdrop-filter: blur(12px);
  color: #fff;
  font-size: 0.82rem;
  font-weight: 700;
  border: 1px solid rgba(255, 255, 255, 0.2);
}

/* remove default ::after "View project" on feature cards */
.feature-card::after {
  display: none !important;
}

/* --- Product Section --- */
.product-section {
  padding-top: 48px;
  padding-bottom: 88px;
}

.product-list {
  display: grid;
  gap: 24px;
}

.product-card {
  position: relative;
  display: grid;
  grid-template-columns: minmax(360px, 0.9fr) minmax(0, 1.1fr);
  gap: 0;
  min-height: 360px;
  overflow: hidden;
  border: 1px solid rgba(255, 255, 255, 0.06);
  border-radius: 8px;
  background:
    linear-gradient(135deg, rgba(255, 255, 255, 0.035), transparent),
    #1a1a1a;
  box-shadow: 0 20px 46px rgba(0, 0, 0, 0.44);
  cursor: pointer;
  isolation: isolate;
  transition: border-color 240ms ease, box-shadow 240ms ease, transform 220ms ease;
  will-change: auto;
  transform-style: preserve-3d;
}

.product-card::before {
  position: absolute;
  inset: 0;
  z-index: 1;
  content: "";
  opacity: 0;
  background: radial-gradient(circle at var(--local-x, 50%) var(--local-y, 50%), rgba(255, 255, 255, 0.14), transparent 30%);
  transition: opacity 180ms ease;
  pointer-events: none;
}

.product-card:hover::before {
  opacity: 1;
}

.product-card:hover,
.product-card.is-card-hovered {
  border-color: rgba(255, 255, 255, 0.16);
  box-shadow: 0 28px 72px rgba(0, 0, 0, 0.62), 0 0 28px rgba(255, 255, 255, 0.05);
  will-change: transform;
}

.product-info {
  position: relative;
  z-index: 2;
  display: flex;
  flex-direction: column;
  justify-content: center;
  align-items: flex-start;
  box-sizing: border-box;
  min-height: 360px;
  padding: 52px 48px 64px 64px;
}

.product-info .tags {
  margin-bottom: 16px;
}

.product-info h3 {
  max-width: 400px;
  margin: 0 0 14px;
  font-size: clamp(2rem, 2.7vw, 2.45rem);
  line-height: 1.03;
}

.product-info .project-desc {
  max-width: 410px;
  margin-top: 0;
  font-size: 0.98rem;
  line-height: 1.62;
}

.product-links {
  display: flex;
  gap: 12px;
  margin-top: 28px;
}

.product-btn {
  --product-btn-fill: linear-gradient(135deg, #7c3cff, #2d0b5e);
  --product-btn-glow: rgba(124, 60, 255, 0.34);
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 10px 20px;
  border: 1px solid rgba(255, 255, 255, 0.2);
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.06);
  color: rgba(255, 255, 255, 0.86);
  font-size: 0.85rem;
  font-weight: 600;
  box-shadow: 0 0 0 rgba(0, 0, 0, 0);
  transition: background 220ms ease, border-color 220ms ease, color 220ms ease, filter 220ms ease, transform 220ms ease, box-shadow 220ms ease;
}

.product-btn.product-github {
  --product-btn-fill: linear-gradient(135deg, #7c3cff, #16161d);
  --product-btn-glow: rgba(124, 60, 255, 0.36);
}

.product-btn.product-video {
  --product-btn-fill: linear-gradient(135deg, #fb7299, #ff4da6 52%, #d4146e);
  --product-btn-glow: rgba(251, 114, 153, 0.4);
}

.product-btn:hover,
.product-btn:focus-visible,
.product-btn.is-hovered {
  background: var(--product-btn-fill);
  border-color: rgba(255, 255, 255, 0.48);
  color: #fff;
  filter: brightness(1.08) saturate(1.08);
  box-shadow: 0 18px 36px rgba(0, 0, 0, 0.35), 0 0 28px var(--product-btn-glow);
  transform: translateY(-2px);
}

.product-btn svg {
  width: 16px;
  height: 16px;
  fill: currentColor;
  stroke: none;
}

.product-visual {
  position: relative;
  min-height: 312px;
  margin: 24px 24px 24px 0;
  overflow: hidden;
  border: 1px solid rgba(124, 60, 255, 0.22);
  border-radius: 8px;
  background:
    radial-gradient(circle at 22% 18%, rgba(124, 60, 255, 0.24), transparent 34%),
    radial-gradient(circle at 82% 72%, rgba(109, 255, 174, 0.14), transparent 32%),
    #08090d;
  box-shadow:
    inset 0 0 0 1px rgba(255, 255, 255, 0.045),
    0 0 42px rgba(124, 60, 255, 0.12);
}

.product-visual::before,
.product-visual::after {
  position: absolute;
  inset: 0;
  z-index: 1;
  content: "";
  pointer-events: none;
}

.product-visual::before {
  background:
    linear-gradient(90deg, rgba(8, 9, 13, 0.58), transparent 18%, transparent 72%, rgba(8, 9, 13, 0.28)),
    linear-gradient(180deg, rgba(255, 255, 255, 0.06), transparent 26%);
  mix-blend-mode: screen;
  opacity: 0.44;
}

.product-visual::after {
  border: 1px solid rgba(255, 255, 255, 0.08);
  border-radius: inherit;
  box-shadow: inset 0 0 42px rgba(0, 0, 0, 0.38);
}

.product-visual img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: 52% 42%;
  display: block;
  transition: transform 400ms ease;
}

.product-visual--contain img {
  object-fit: contain;
  object-position: center;
}

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

/* --- Blog Section --- */
.blog-section {
  padding-top: 48px;
  position: relative;
  padding-bottom: clamp(34px, 4.5vh, 64px);
  overflow: visible;
}

.blog-section::after {
  position: absolute;
  left: 50%;
  bottom: -1px;
  z-index: 0;
  width: 100vw;
  height: clamp(150px, 20vh, 260px);
  background:
    linear-gradient(180deg, rgba(5, 5, 5, 0), rgba(5, 5, 5, 0.82) 62%, #050505 100%);
  content: "";
  pointer-events: none;
  transform: translateX(-50%);
}

.blog-section > * {
  position: relative;
  z-index: 1;
}

.blog-section .section-heading {
  top: -36px;
  margin-bottom: clamp(12px, 2vh, 20px);
}

.blog-sequence {
  display: none;
  margin-top: 34px;
}

.blog-section.is-blog-sequence-ready {
  padding-bottom: clamp(2px, 0.75vh, 12px);
}

.blog-section.is-blog-sequence-ready .blog-sequence {
  display: block;
}

.blog-section.is-blog-sequence-ready .blog-fallback-grid {
  display: none;
}

.blog-sequence-pin {
  position: relative;
  width: 100%;
  margin: 0 auto;
}

.blog-sequence-frame {
  --blog-sequence-surface:
    radial-gradient(circle at 50% 48%, rgba(255, 255, 255, 0.04), rgba(13, 13, 13, 0) 58%),
    linear-gradient(135deg, rgba(255, 255, 255, 0.018), transparent),
    #0d0d0d;
  --blog-sequence-surface-color: #0d0d0d;
  --blog-frame-exit-y: 0px;
  position: relative;
  isolation: isolate;
  width: 100%;
  aspect-ratio: 16 / 9;
  overflow: hidden;
  border: 1px solid rgba(255, 255, 255, 0.09);
  border-radius: 8px;
  background: var(--blog-sequence-surface);
  box-shadow: 0 30px 90px rgba(0, 0, 0, 0.58);
  translate: 0 calc(-34px + var(--blog-frame-exit-y));
}

.blog-sequence-media,
.blog-sequence-shade,
.blog-sequence-cues,
.blog-keyhole-layer {
  position: absolute;
  inset: 0;
}

.blog-sequence-media {
  z-index: 1;
  background: var(--blog-sequence-surface);
}

.blog-section.is-blog-sequence-ready .blog-sequence-slide,
.blog-section.is-blog-sequence-ready .blog-sequence-cue,
.blog-section.is-blog-sequence-ready .blog-keyhole,
.blog-section.is-blog-sequence-ready .blog-keyhole-corner {
  will-change: opacity, transform, clip-path;
}

.blog-sequence-slide {
  position: absolute;
  inset: 0;
  display: block;
  width: 100%;
  height: 100%;
  object-fit: contain;
  object-position: center center;
  opacity: 0;
  visibility: hidden;
  background: var(--blog-sequence-surface);
  backface-visibility: hidden;
  transform: none;
  transform-origin: center;
}

.blog-sequence-slide--contain {
  box-sizing: border-box;
}

.blog-sequence-shade {
  z-index: 2;
  background:
    linear-gradient(90deg, rgba(0, 0, 0, 0.82), rgba(0, 0, 0, 0.34) 44%, rgba(0, 0, 0, 0.04)),
    linear-gradient(0deg, rgba(0, 0, 0, 0.58), transparent 42%);
  opacity: 0;
  pointer-events: none;
}

.blog-sequence-cues {
  z-index: 3;
  pointer-events: none;
}

.blog-sequence-cue {
  position: absolute;
  left: clamp(24px, 5vw, 64px);
  bottom: clamp(46px, 5.6vw, 92px);
  width: min(700px, calc(100% - clamp(48px, 10vw, 128px)));
  color: var(--text);
  text-decoration: none;
  opacity: 0;
  visibility: hidden;
  transform: translateY(26px);
  pointer-events: none;
}

.blog-sequence-cue > * {
  translate: 0 42px;
}

.blog-sequence-cue.is-active {
  pointer-events: auto;
}

.blog-sequence-kicker {
  display: inline-flex;
  align-items: center;
  min-height: 28px;
  padding: 0 12px;
  margin-bottom: 16px;
  border: 1px solid rgba(255, 255, 255, 0.16);
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.08);
  color: rgba(255, 255, 255, 0.78);
  font-size: 0.76rem;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  backdrop-filter: blur(12px);
}

.blog-sequence-cue h3 {
  padding: 0;
  margin: 0;
  color: #fff;
  font-size: clamp(1.48rem, 2.55vw, 2.58rem);
  line-height: 1.12;
}

.blog-sequence-meta {
  display: block;
  max-width: 40rem;
  margin-top: 16px;
  color: rgba(255, 255, 255, 0.72);
  font-size: clamp(0.95rem, 1.35vw, 1.12rem);
  line-height: 1.55;
}

.blog-sequence-action {
  display: inline-flex;
  align-items: center;
  gap: 9px;
  min-height: 42px;
  padding: 0 17px;
  margin-top: 24px;
  border: 1px solid rgba(255, 255, 255, 0.2);
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.11);
  color: #fff;
  font-size: 0.9rem;
  font-weight: 700;
  transition: background 180ms ease, border-color 180ms ease, transform 180ms ease;
}

.blog-sequence-action::before {
  width: 0;
  height: 0;
  border-top: 5px solid transparent;
  border-bottom: 5px solid transparent;
  border-left: 8px solid currentColor;
  content: "";
}

.blog-sequence-cue:hover .blog-sequence-action,
.blog-sequence-cue:focus-visible .blog-sequence-action {
  border-color: rgba(255, 255, 255, 0.34);
  background: rgba(255, 255, 255, 0.18);
  transform: translateY(-1px);
}

.blog-keyhole-layer {
  z-index: 5;
  pointer-events: none;
}

.blog-keyhole {
  position: absolute;
  inset: 0;
  background: var(--blog-sequence-surface);
  clip-path: polygon(0% 0%, 0% 100%, 24% 100%, 24% 24%, 76% 24%, 76% 76%, 24% 76%, 24% 100%, 100% 100%, 100% 0%);
}

.blog-keyhole-corner {
  --blog-keyhole-radius: clamp(16px, 2.4vw, 30px);
  --blog-keyhole-color: var(--blog-sequence-surface-color);
  position: absolute;
  display: none;
  width: var(--blog-keyhole-radius);
  height: var(--blog-keyhole-radius);
}

.blog-keyhole-corner.top-left {
  background: radial-gradient(circle at bottom right, transparent calc(var(--blog-keyhole-radius) - 1px), var(--blog-keyhole-color) var(--blog-keyhole-radius));
}

.blog-keyhole-corner.top-right {
  background: radial-gradient(circle at bottom left, transparent calc(var(--blog-keyhole-radius) - 1px), var(--blog-keyhole-color) var(--blog-keyhole-radius));
}

.blog-keyhole-corner.bottom-left {
  background: radial-gradient(circle at top right, transparent calc(var(--blog-keyhole-radius) - 1px), var(--blog-keyhole-color) var(--blog-keyhole-radius));
}

.blog-keyhole-corner.bottom-right {
  background: radial-gradient(circle at top left, transparent calc(var(--blog-keyhole-radius) - 1px), var(--blog-keyhole-color) var(--blog-keyhole-radius));
}

.blog-sequence-progress {
  position: relative;
  display: grid;
  grid-template-columns: repeat(5, minmax(0, 1fr));
  align-items: center;
  gap: 0;
  height: 44px;
  margin: -10px auto 0;
}

.blog-sequence-progress::before {
  position: absolute;
  top: 50%;
  right: 0;
  left: 0;
  height: 1px;
  background: rgba(255, 255, 255, 0.18);
  content: "";
}

.blog-sequence-progress-fill {
  position: absolute;
  top: 50%;
  right: 0;
  left: 0;
  height: 2px;
  background: rgba(255, 255, 255, 0.72);
  transform: scaleX(0);
  transform-origin: left center;
}

.blog-sequence-marker {
  position: relative;
  z-index: 1;
  justify-self: center;
  width: 10px;
  height: 10px;
  border: 1px solid rgba(255, 255, 255, 0.34);
  border-radius: 50%;
  background: #111;
  transition: background 180ms ease, border-color 180ms ease, transform 180ms ease;
}

.blog-sequence-marker.is-active {
  border-color: rgba(255, 255, 255, 0.92);
  background: #fff;
  transform: scale(1.16);
}

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

.blog-card {
  position: relative;
  display: block;
  overflow: hidden;
  border: 1px solid rgba(255, 255, 255, 0.06);
  border-radius: 8px;
  background: #1a1a1a;
  box-shadow: 0 20px 46px rgba(0, 0, 0, 0.44);
  cursor: pointer;
  transform-style: preserve-3d;
  transition: border-color 240ms ease, box-shadow 240ms ease, transform 220ms ease;
  will-change: auto;
}

.blog-card::before {
  position: absolute;
  inset: 0;
  z-index: 2;
  content: "";
  opacity: 0;
  background: radial-gradient(circle at var(--local-x, 50%) var(--local-y, 50%), rgba(255, 255, 255, 0.12), transparent 30%);
  transition: opacity 180ms ease;
  pointer-events: none;
}

.blog-card:hover::before,
.blog-card.is-card-hovered::before {
  opacity: 1;
}

.blog-card:hover,
.blog-card.is-card-hovered {
  border-color: rgba(255, 255, 255, 0.16);
  box-shadow: 0 28px 72px rgba(0, 0, 0, 0.62);
  will-change: transform;
}

.blog-thumb {
  position: relative;
  width: 100%;
  aspect-ratio: 16/9;
  overflow: hidden;
}

.blog-thumb img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
  transition: transform 400ms ease;
}

.blog-card:hover .blog-thumb img {
  transform: scale(1.06);
}

.blog-thumb--contain img {
  object-fit: contain;
}

.blog-card:hover .blog-thumb--contain img,
.blog-card.is-card-hovered .blog-thumb--contain img {
  transform: none;
}

.play-icon {
  position: absolute;
  inset: 0;
  display: grid;
  place-items: center;
  background: rgba(0, 0, 0, 0.3);
  color: #fff;
  font-size: 2rem;
  opacity: 0;
  transition: opacity 240ms ease;
}

.blog-card:hover .play-icon {
  opacity: 1;
}

.blog-card h3 {
  padding: 18px 22px;
  margin: 0;
  font-size: 1rem;
  line-height: 1.4;
  color: var(--text);
}

/* --- Responsive adjustments --- */
@media (max-width: 1040px) {
  .product-card {
    grid-template-columns: 1fr;
  }

  .product-visual {
    min-height: 0;
    height: 300px;
    margin: 0 24px 24px;
  }

  .product-info {
    min-height: 0;
    padding: 48px 44px;
  }

  .avatar-photo {
    width: 112px;
    height: 112px;
  }
}

@media (max-width: 720px) {
  .blog-section.is-blog-sequence-ready .blog-sequence {
    display: none;
  }

  .blog-section.is-blog-sequence-ready .blog-fallback-grid {
    display: grid;
  }

  .blog-grid {
    grid-template-columns: 1fr;
  }

  .product-info {
    padding: 30px;
  }

  .product-visual {
    height: clamp(220px, 52vw, 300px);
    margin: 0 clamp(14px, 5vw, 24px) 24px;
  }

  .product-info h3 {
    font-size: 1.55rem;
  }

  .product-links {
    flex-direction: column;
  }

  .avatar-photo {
    width: 100px;
    height: 100px;
  }
}

@media (prefers-reduced-motion: reduce) {
  .blog-section.is-blog-sequence-ready .blog-sequence {
    display: none;
  }

  .blog-section.is-blog-sequence-ready .blog-fallback-grid {
    display: grid;
  }

  .blog-sequence-slide,
  .blog-sequence-cue,
  .blog-sequence-action {
    transition: none;
  }
}

/* --- Gallery feature-card size increase --- */
.feature-card {
  width: 640px !important;
  height: 408px !important;
}

.carousel-window--portrait {
  margin-top: 18px;
}

.feature-card.feature-card--portrait {
  width: 272px !important;
  height: 408px !important;
}

@media (max-width: 720px) {
  .feature-card,
  .feature-card.feature-card--portrait {
    height: 204px !important;
  }
}

/* --- Increase gap between Gallery and Research --- */
#research {
  margin-top: 180px;
}

@media (max-width: 720px) {
  #research {
    margin-top: 92px;
  }
}

/* --- Switch to JS animation for seamless slow-down on hover --- */
.carousel-track {
  animation: none !important;
}

/* --- Project Card Custom Hover Colors --- */
/* Change the whole background on hover, distinct for each card, without glow */
.project-card.color-blue:hover,
.project-card.color-blue.is-card-hovered {
  background: linear-gradient(135deg, #1057c8, #05265e) !important;
}

.project-card.color-orange:hover,
.project-card.color-orange.is-card-hovered {
  background: linear-gradient(135deg, #d85c14, #6e2f07) !important;
}

.project-card.color-green:hover,
.project-card.color-green.is-card-hovered {
  background: linear-gradient(135deg, #0c705c, #063d31) !important;
}

.project-card.color-purple:hover,
.project-card.color-purple.is-card-hovered {
  background: linear-gradient(135deg, #6b14d8, #2d0b5e) !important;
}

/* Hide the pseudo-element glow completely for these colored cards */
.project-card.color-blue::before,
.project-card.color-orange::before,
.project-card.color-green::before,
.project-card.color-purple::before {
  display: none !important;
}

/* --- First-screen responsive polish --- */
.hero-row,
.hero-copy {
  min-width: 0;
}

@media (max-width: 720px) {
  .desk-scene {
    --desk-bg-position: center 51%;
    --desk-bg-size: 178% auto;
    --desk-vignette-opacity: 0.82;
    --desk-vignette-top-y: -6%;
    --desk-vignette-left-x: -26%;
    --desk-vignette-right-x: 126%;
    --desk-vignette-side-y: 39%;
    height: clamp(194px, 52vw, 216px);
    border-radius: clamp(18px, 5vw, 28px);
  }

  .pencil,
  .digital-clock,
  .homepod-set {
    display: block;
  }

  .app-stack {
    display: grid;
  }

  .desk-hover-label {
    display: none;
  }

  .digital-clock {
    left: 3%;
    top: 17%;
    width: clamp(86px, 24vw, 124px);
    height: clamp(64px, 18vw, 92px);
  }

  .pencil {
    left: 4%;
    top: 26%;
    width: clamp(168px, 54vw, 250px);
    height: clamp(42px, 13.5vw, 64px);
  }

  .laptop {
    left: 48.5%;
    top: 20.5%;
    width: clamp(162px, 48vw, 218px);
    height: clamp(126px, 37vw, 170px);
    --macbook-model-scale: 1.28;
  }

  .notebook {
    left: 2%;
    top: 37%;
    width: clamp(132px, 38vw, 188px);
    height: clamp(83px, 24vw, 118px);
    --book-model-scale: 1;
    transform: rotate(-9deg);
  }

  .homepod-set {
    right: 13%;
    top: 21%;
    width: clamp(56px, 17vw, 82px);
    height: clamp(57px, 17.2vw, 83px);
  }

  .mouse {
    right: 22%;
    top: 62%;
    width: clamp(54px, 16vw, 76px);
    height: clamp(36px, 10.5vw, 51px);
    --mouse-rotation: 70deg;
  }

  .app-stack {
    right: 6%;
    bottom: 8%;
    grid-template-columns: repeat(2, 22px);
    gap: 6px;
    transform: rotate(-7deg);
  }

  .app-stack span {
    width: 22px;
    height: 22px;
    border-width: 1px;
    border-radius: 5px;
    font-size: 12px;
  }

  .app-stack span::after {
    display: none;
  }

  .desk-scene.entrance-complete .app-stack:hover,
  .desk-scene.entrance-complete .app-stack.is-tools-hot {
    transform: rotate(-7deg) translateY(-2px) scale(1.04);
  }

  .hero-title-single {
    max-width: 100%;
    white-space: normal;
    font-size: 3.25rem !important;
    line-height: 0.92;
  }

  .hero-socials {
    gap: 8px 10px;
    margin-top: 22px;
  }

  .hero-social-link {
    padding: 5px 11px;
    font-size: 0.78rem;
  }

  #about .about-line {
    font-size: 0.9rem;
    line-height: 1.52;
  }

  .section-heading h2 {
    font-size: 2rem;
  }

  .project-card h3 {
    font-size: 1.48rem;
  }

  .product-info h3 {
    font-size: 1.42rem;
  }

  #product .product-info .project-desc {
    display: none;
  }

  #product .product-links {
    align-items: flex-start;
    gap: 10px;
    margin-top: 22px;
  }

  #product .product-btn {
    gap: 6px;
    padding: 8px 15px;
    font-size: 0.76rem;
  }

  #product .product-btn svg {
    width: 14px;
    height: 14px;
  }
}

@media (max-width: 420px) {
  .desk-scene {
    --desk-bg-size: 190% auto;
    --desk-vignette-opacity: 0.84;
    --desk-vignette-top-y: -4%;
    --desk-vignette-left-x: -30%;
    --desk-vignette-right-x: 130%;
    height: 200px;
  }

  .digital-clock {
    left: 2.5%;
    top: 17.5%;
    width: 86px;
    height: 64px;
  }

  .pencil {
    left: 2%;
    top: 25%;
    width: 190px;
    height: 48px;
  }

  .notebook {
    left: 3%;
    top: 48%;
    width: 138px;
    height: 87px;
    --book-model-scale: 1;
  }

  .laptop {
    left: 48%;
    top: 29%;
    width: 174px;
    height: 136px;
    --macbook-model-scale: 1.25;
  }

  .homepod-set {
    right: 13%;
    top: 22%;
    width: 60px;
    height: 61px;
  }

  .mouse {
    right: 24%;
    top: 63%;
    width: 56px;
    height: 38px;
  }

  .app-stack {
    right: 6%;
    bottom: 8%;
  }

  .hero-title-single {
    font-size: 2.48rem !important;
    line-height: 0.92;
  }

  .hero-socials {
    gap: 8px;
    margin-top: 20px;
  }

  .hero-social-link {
    padding: 5px 9px;
    font-size: 0.74rem;
  }

  #about .about-line {
    font-size: 0.86rem;
  }

  .section-heading h2 {
    font-size: 1.78rem;
  }

  .project-card h3,
  .product-info h3 {
    font-size: 1.36rem;
  }

  #product .product-btn {
    padding: 7px 13px;
    font-size: 0.72rem;
  }
}

@media (max-width: 360px) {
  .desk-scene {
    --desk-bg-size: 198% auto;
    height: 194px;
  }

  .digital-clock {
    left: 3.5%;
    width: 78px;
    height: 58px;
  }

  .pencil {
    left: 1%;
    width: 166px;
    height: 42px;
  }

  .laptop {
    left: 48%;
    top: 30%;
    width: 158px;
    height: 123px;
    --macbook-model-scale: 1.23;
  }

  .notebook {
    width: 126px;
    height: 79px;
  }

  .homepod-set {
    right: 12%;
    width: 55px;
    height: 56px;
  }

  .mouse {
    right: 22%;
    width: 51px;
    height: 34px;
  }

  .app-stack {
    right: 5%;
  }

  .app-stack span {
    width: 20px;
    height: 20px;
    font-size: 11px;
  }

  .hero-copy {
    width: 100%;
    max-width: calc(100vw - 48px);
    overflow: visible;
  }

  .hero-title-single {
    max-width: calc(100vw - 48px);
    font-size: 1.9rem !important;
    line-height: 1;
    white-space: nowrap;
  }

  .section-heading h2 {
    font-size: 1.62rem;
  }

  .dock {
    left: 50% !important;
    right: auto !important;
    width: auto;
    max-width: calc(100vw - 16px);
    gap: 6px;
    justify-content: center;
    padding: 7px;
    transform: translateX(-50%) !important;
  }

  .dock a {
    flex: 0 0 42px;
    width: 42px;
    height: 48px;
    grid-template-columns: 24px 0fr;
    border-radius: 15px;
  }

  .dock a:hover,
  .dock a.is-hovered {
    width: 42px;
    grid-template-columns: 24px 0fr;
    gap: 0;
  }

  .dock svg {
    width: 24px;
    height: 24px;
  }

  .dock a::after {
    display: none;
  }
}

/* --- Contact WebGL image ring with scroll-bound cards --- */
.booking.section-panel {
  --contact-landing-y: 0px;
  position: relative;
  width: 100%;
  max-width: none;
  min-height: 100vh;
  margin-top: -1px;
  padding: 0;
  overflow: hidden;
  isolation: isolate;
  background: #050505;
}

@media (min-width: 721px) {
  .booking.section-panel {
    margin-top: clamp(-460px, -48vh, -300px);
  }
}

.booking.section-panel::before {
  position: absolute;
  left: 0;
  right: 0;
  top: 0;
  z-index: 3;
  height: clamp(132px, 18vh, 230px);
  background:
    linear-gradient(180deg, #050505 0%, rgba(5, 5, 5, 0.9) 34%, rgba(5, 5, 5, 0) 100%);
  content: "";
  pointer-events: none;
}

.contact-ring-pin {
  position: relative;
  display: grid;
  min-height: 100vh;
  overflow: hidden;
  place-items: center;
}

.contact-ring-stage,
.contact-ring-vignette {
  position: absolute;
  inset: 0;
  z-index: 0;
  pointer-events: none;
  transform: translate3d(0, var(--contact-landing-y), 0);
}

.contact-ring-stage {
  background:
    radial-gradient(circle at 50% 48%, rgba(255, 255, 255, 0.08), transparent 28rem),
    #050505;
}

.contact-ring-stage canvas {
  display: block;
  width: 100%;
  height: 100%;
}

.contact-ring-vignette {
  z-index: 1;
  background:
    radial-gradient(circle at 50% 48%, transparent 0 23rem, rgba(0, 0, 0, 0.1) 33rem, rgba(0, 0, 0, 0.82) 72rem),
    linear-gradient(180deg, #050505 0%, rgba(5, 5, 5, 0.26) 22%, rgba(0, 0, 0, 0.18) 54%, rgba(0, 0, 0, 0.78) 100%);
}

.contact-ring-content {
  position: relative;
  z-index: 2;
  display: flex;
  width: min(1080px, calc(100% - 48px));
  min-height: min(720px, 100vh);
  align-items: center;
  flex-direction: column;
  justify-content: center;
  padding: clamp(86px, 10vh, 126px) 0 clamp(118px, 13vh, 168px);
  transform: translate3d(0, var(--contact-landing-y), 0);
}

.booking.is-contact-ring-ready .contact-ring-stage,
.booking.is-contact-ring-ready .contact-ring-vignette,
.booking.is-contact-ring-ready .contact-ring-content {
  will-change: transform;
}

.booking.is-contact-ring-ready h2 {
  will-change: transform, opacity;
}

.booking h2 {
  margin: 0 0 clamp(32px, 4.5vw, 58px);
  color: #fff;
  text-align: center;
  text-shadow: 0 18px 42px rgba(0, 0, 0, 0.62);
}

.booking .contact-grid {
  display: grid;
  position: relative;
  z-index: 4;
  width: min(1040px, 100%);
  max-width: none;
  grid-template-columns: repeat(3, minmax(210px, 1fr));
  gap: clamp(14px, 1.8vw, 22px);
  text-align: left;
}

.booking .contact-card {
  --contact-accent: rgba(255, 255, 255, 0.88);
  --contact-soft: rgba(255, 255, 255, 0.18);
  display: block;
  min-width: 0;
  padding: 0;
  border: 0;
  border-radius: 0;
  background: transparent;
  color: #fff;
  box-shadow: none;
  outline-offset: 8px;
  text-decoration: none;
  transform: none;
}

.booking .contact-card:hover,
.booking .contact-card:focus-visible,
.booking .contact-card.is-hovered {
  border-color: transparent;
  background: transparent;
  box-shadow: none;
  transform: none;
}

.booking .contact-card-inner {
  position: relative;
  display: grid;
  width: fit-content;
  max-width: 100%;
  min-height: 78px;
  margin: 0 auto;
  overflow: visible;
  align-items: center;
  grid-template-columns: max-content minmax(0, max-content);
  justify-content: center;
  gap: clamp(22px, 2vw, 32px);
  padding: 19px 0 19px clamp(28px, 4vw, 42px);
  border: 0;
  border-radius: 0;
  background: transparent;
  box-shadow: none;
  transform-origin: center;
  will-change: auto;
  backdrop-filter: none;
  -webkit-backdrop-filter: none;
}

.booking .contact-card-inner::before {
  position: absolute;
  left: 0;
  top: 50%;
  width: clamp(16px, 2.7vw, 34px);
  height: 1px;
  border: 0;
  border-radius: 0;
  background: linear-gradient(90deg, var(--contact-accent), rgba(255, 255, 255, 0));
  content: "";
  opacity: 0.56;
  transform: translateY(-50%) scaleX(0.58);
  transform-origin: left center;
  transition: opacity 220ms ease, transform 220ms ease, box-shadow 220ms ease;
}

.booking .contact-card-inner::after {
  position: absolute;
  left: 0;
  right: 0;
  bottom: 0;
  height: 1px;
  background: linear-gradient(90deg, rgba(255, 255, 255, 0), var(--contact-soft), rgba(255, 255, 255, 0));
  content: "";
  opacity: 0.38;
  transform: scaleX(0.86);
  transition: opacity 220ms ease, transform 220ms ease;
}

.booking .contact-card:hover .contact-card-inner,
.booking .contact-card:focus-visible .contact-card-inner,
.booking .contact-card.is-hovered .contact-card-inner {
  border-color: transparent;
  background: transparent;
  filter: none;
  box-shadow: none;
  text-shadow: none;
  transform: none;
}

.booking .contact-card.is-active .contact-card-inner::before {
  opacity: 1;
  box-shadow: 0 0 20px var(--contact-soft);
  transform: translateY(-50%) scaleX(1);
}

.booking .contact-card.is-active .contact-card-inner::after {
  opacity: 0.78;
  transform: scaleX(1);
}

.booking .contact-card:focus-visible {
  outline: 2px solid var(--contact-accent);
}

.booking .contact-card strong {
  margin-bottom: 0;
  color: #fff;
  font-size: clamp(1.1rem, 1.35vw, 1.28rem);
  letter-spacing: 0;
  white-space: nowrap;
}

.booking .contact-card span {
  min-width: 0;
  color: rgba(255, 255, 255, 0.78);
  font-size: 0.94rem;
  line-height: 1.35;
  justify-self: start;
  text-align: left;
  overflow-wrap: anywhere;
}

.booking .contact-card:hover strong,
.booking .contact-card:focus-visible strong,
.booking .contact-card:hover span,
.booking .contact-card:focus-visible span,
.booking .contact-card.is-active strong {
  color: var(--contact-accent);
}

.booking .contact-card.contact-email {
  --contact-accent: #ffb15c;
  --contact-soft: rgba(255, 177, 92, 0.28);
}

.booking .contact-card.contact-github {
  --contact-accent: #b79cff;
  --contact-soft: rgba(183, 156, 255, 0.28);
}

.booking .contact-card.contact-bilibili {
  --contact-accent: #ff8fb1;
  --contact-soft: rgba(255, 143, 177, 0.3);
}

.booking .contact-card.contact-xiaohongshu {
  --contact-accent: #ff6376;
  --contact-soft: rgba(255, 99, 118, 0.3);
}

.booking .contact-card.contact-douyin {
  --contact-accent: #77f8ff;
  --contact-soft: rgba(119, 248, 255, 0.28);
}

.booking .contact-card.contact-qq {
  --contact-accent: #73e6a6;
  --contact-soft: rgba(115, 230, 166, 0.28);
}

.booking.is-contact-ring-ready .contact-grid {
  display: block;
  width: min(720px, 100%);
  min-height: 104px;
}

.booking.is-contact-ring-ready .contact-card {
  position: absolute;
  inset: 0;
  opacity: 0;
  pointer-events: none;
  transform: translate3d(0, 28px, 0) scale(0.96);
  will-change: transform, opacity;
}

.booking.is-contact-ring-ready .contact-card.is-active {
  pointer-events: auto;
}

.booking.is-contact-ring-ready .contact-card-inner {
  min-height: 104px;
  background: transparent;
}

.booking.is-contact-ring-ready .contact-card strong {
  font-size: clamp(1.22rem, 1.9vw, 1.54rem);
}

.booking.is-contact-ring-ready .contact-card span {
  font-size: clamp(0.96rem, 1.18vw, 1.12rem);
}

@media (max-width: 1040px) {
  .booking .contact-grid {
    width: min(760px, 100%);
    grid-template-columns: repeat(2, minmax(220px, 1fr));
  }

  .booking.is-contact-ring-ready .contact-grid {
    width: min(560px, 100%);
  }
}

@media (max-width: 720px) {
  .booking.section-panel {
    margin-top: -1px;
  }

  .contact-ring-content {
    width: min(100% - 36px, 430px);
    min-height: 100vh;
    padding: 72px 0 118px;
  }

  .contact-ring-vignette {
    background:
      radial-gradient(circle at 50% 44%, transparent 0 10rem, rgba(0, 0, 0, 0.22) 18rem, rgba(0, 0, 0, 0.86) 42rem),
      linear-gradient(180deg, #050505 0%, rgba(5, 5, 5, 0.34) 22%, rgba(0, 0, 0, 0.2) 54%, rgba(0, 0, 0, 0.82) 100%);
  }

  .booking h2 {
    margin-bottom: 26px;
    font-size: clamp(2.35rem, 11vw, 2.9rem);
  }

  .booking .contact-grid,
  .booking.is-contact-ring-ready .contact-grid {
    width: min(420px, 100%);
    grid-template-columns: 1fr;
    gap: 14px;
  }

  .booking.is-contact-ring-ready .contact-grid {
    min-height: 116px;
  }

  .booking .contact-card-inner,
  .booking.is-contact-ring-ready .contact-card-inner {
    min-height: 92px;
    align-items: center;
    grid-template-columns: max-content minmax(0, max-content);
    gap: 14px;
    padding: 17px 0 17px 30px;
    border-radius: 0;
  }

  .booking .contact-card span,
  .booking.is-contact-ring-ready .contact-card span {
    font-size: 0.9rem;
    justify-self: start;
    text-align: left;
  }
}

@media (max-width: 420px) {
  .contact-ring-content {
    width: min(100% - 28px, 360px);
    padding: 58px 0 108px;
  }

  .booking h2 {
    margin-bottom: 22px;
    font-size: clamp(2.05rem, 10vw, 2.38rem);
  }

  .booking .contact-grid,
  .booking.is-contact-ring-ready .contact-grid {
    gap: 9px;
  }

  .booking .contact-card-inner,
  .booking.is-contact-ring-ready .contact-card-inner {
    min-height: 82px;
    gap: 10px;
    padding: 13px 0 13px 26px;
    border-radius: 0;
  }

  .booking .contact-card strong,
  .booking.is-contact-ring-ready .contact-card strong {
    font-size: 1rem;
  }

  .booking .contact-card span,
  .booking.is-contact-ring-ready .contact-card span {
    font-size: 0.82rem;
    line-height: 1.25;
  }

  .booking .contact-card-inner::before {
    left: 0;
    width: clamp(14px, 6vw, 24px);
    height: 1px;
  }
}

@media (prefers-reduced-motion: reduce) {
  .booking.section-panel {
    min-height: auto;
    --contact-landing-y: 0px !important;
  }

  .contact-ring-pin {
    min-height: auto;
  }

  .contact-ring-content {
    min-height: auto;
    transform: none !important;
  }

  .contact-ring-stage,
  .contact-ring-vignette {
    transform: none !important;
  }

  .booking .contact-card,
  .booking .contact-card-inner {
    opacity: 1 !important;
    filter: none !important;
    animation: none !important;
    transform: none !important;
    will-change: auto !important;
  }

  .booking h2 {
    opacity: 1 !important;
    transform: none !important;
    will-change: auto !important;
  }
}