.projects-screen {
  --projects-blur: 18px;
  position: fixed;
  z-index: 2;
  inset: 0;
  overflow: hidden;
  background: #0a093b;
  opacity: 0;
  pointer-events: none;
  will-change: opacity;
}

.projects-screen.is-interactive {
  pointer-events: auto;
}

.projects-dot-field,
.projects-firefly-field {
  position: absolute;
  z-index: 0;
  inset: 0;
  overflow: hidden;
  pointer-events: none;
  filter: blur(var(--projects-blur));
}

.projects-dot-field {
  background-image: radial-gradient(circle, rgba(255, 255, 255, 0.62) 0 1px, transparent 1.4px);
  background-position: center bottom;
  background-size: 19px 19px;
  opacity: 0.14;
}

.projects-firefly-field .firefly {
  animation: project-firefly-rise var(--project-firefly-duration, 16s) linear var(--project-firefly-delay, 0s) infinite;
  filter: brightness(1.25);
  box-shadow: 0 0 0.45rem rgba(255, 255, 255, 0.78), 0 0 1.1rem rgba(151, 183, 255, 0.4);
}

.projects-firefly-field {
  z-index: 1;
}

.projects-screen:not(.is-visible) .firefly {
  animation-play-state: paused;
}

@keyframes project-firefly-rise {
  0% { opacity: 0; transform: translate3d(0, 5vh, 0) scale(0.45); }
  8% { opacity: 0.22; }
  15% { opacity: 0.82; }
  23% { opacity: 0.28; }
  34% { opacity: 0.74; }
  46% { opacity: 0.18; }
  58% { opacity: 0.68; }
  71% { opacity: 0.25; }
  84% { opacity: 0.62; }
  100% { opacity: 0; transform: translate3d(0.5rem, -112vh, 0) scale(0.38); }
}

.projects-heading {
  position: absolute;
  z-index: 2;
  top: clamp(4.3rem, 8.6vh, 6.2rem);
  left: 50%;
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  width: min(92rem, calc(100vw - 5rem));
  transform: translateX(-50%);
}

.projects-heading h1,
.projects-heading p {
  margin: 0;
}

.projects-heading h1 {
  color: #f7f7ff;
  font-size: clamp(2.2rem, 4vw, 4.7rem);
  font-weight: 800;
  letter-spacing: -0.07em;
  line-height: 0.9;
}

.projects-heading p {
  color: rgba(255, 255, 255, 0.46);
  font-family: Arial, sans-serif;
  font-size: clamp(0.68rem, 0.9vw, 0.9rem);
  letter-spacing: 0.32em;
}

.projects-stage {
  position: absolute;
  z-index: 2;
  top: clamp(7.5rem, 17vh, 10.2rem);
  right: 0;
  bottom: 1.25rem;
  left: 0;
  width: min(92rem, calc(100vw - 5rem));
  margin: 0 auto;
  filter: blur(var(--projects-blur));
  will-change: filter;
}

.projects-card {
  --project-top: 24px;
  --project-y: 72px;
  --project-scale: 1;
  position: absolute;
  top: var(--project-top);
  right: 0;
  left: 0;
  display: grid;
  grid-template-rows: auto minmax(0, 1fr);
  gap: clamp(0.65rem, 1.4vh, 1rem);
  height: calc(100% - 5.8rem);
  min-height: 29rem;
  padding: clamp(1rem, 1.7vw, 1.7rem);
  overflow: hidden;
  border: 1.5px solid rgba(215, 226, 234, 0.82);
  border-radius: clamp(1.5rem, 2.7vw, 3rem);
  background: rgba(9, 8, 52, 0.97);
  box-shadow: 0 1.8rem 4.6rem rgba(1, 1, 22, 0.42), inset 0 0 2.4rem rgba(158, 184, 255, 0.025);
  opacity: 0;
  transform: translate3d(0, var(--project-y), 0) scale(var(--project-scale));
  transform-origin: top center;
  will-change: opacity, transform;
}

.projects-card::before {
  position: absolute;
  inset: 0;
  border-radius: inherit;
  box-shadow: inset 0 0 0.7rem rgba(220, 230, 255, 0.06), 0 0 1.4rem rgba(158, 188, 255, 0.06);
  content: "";
  pointer-events: none;
}

.projects-screen.has-selected-card .projects-card {
  transition: top 420ms cubic-bezier(0.22, 1, 0.36, 1), transform 420ms cubic-bezier(0.22, 1, 0.36, 1);
}

.projects-card-header {
  display: flex;
  align-items: center;
  min-height: clamp(4rem, 9vh, 6.3rem);
  gap: clamp(1rem, 2vw, 2.2rem);
}

.projects-number {
  min-width: 1.5em;
  color: #d7e2ea;
  font-family: Arial Black, Arial, sans-serif;
  font-size: clamp(2.7rem, 6vw, 6.5rem);
  font-weight: 900;
  letter-spacing: -0.09em;
  line-height: 0.8;
}

.projects-card-title-group {
  display: grid;
  gap: 0.25rem;
}

.projects-category,
.projects-name {
  margin: 0;
  color: #d7e2ea;
  outline: none;
}

.projects-category {
  font-size: clamp(0.8rem, 1.35vw, 1.25rem);
  font-weight: 700;
  letter-spacing: 0.12em;
  text-transform: uppercase;
}

.projects-name {
  font-size: clamp(1rem, 1.55vw, 1.55rem);
  font-weight: 300;
  letter-spacing: 0.035em;
}

.projects-category:focus,
.projects-name:focus {
  background: rgba(255, 255, 255, 0.07);
  box-shadow: 0 0 0 3px rgba(255, 255, 255, 0.1);
}

.projects-image-grid {
  display: grid;
  grid-template-columns: minmax(0, 40%) minmax(0, 60%);
  gap: clamp(0.7rem, 1.2vw, 1.15rem);
  min-height: 0;
}

.projects-image-column {
  display: grid;
  grid-template-rows: 0.43fr 0.57fr;
  gap: clamp(0.7rem, 1.2vw, 1.15rem);
  min-height: 0;
}

.projects-image-slot {
  position: relative;
  display: grid;
  min-width: 0;
  min-height: 0;
  padding: 0;
  overflow: hidden;
  place-items: center;
  border: 1px solid rgba(215, 226, 234, 0.34);
  border-radius: clamp(1rem, 2.1vw, 2.3rem);
  background-color: rgba(255, 255, 255, 0.035);
  background-position: center;
  background-repeat: no-repeat;
  background-size: cover;
  color: rgba(255, 255, 255, 0.56);
  cursor: pointer;
  font: inherit;
  transition: border-color 220ms ease, box-shadow 220ms ease, transform 220ms ease;
}

.projects-image-slot::before {
  display: grid;
  width: 2.6rem;
  height: 2.6rem;
  place-items: center;
  border: 1px solid rgba(255, 255, 255, 0.36);
  border-radius: 50%;
  content: "+";
  font-size: 1.55rem;
  line-height: 1;
}

.projects-image-slot::after {
  position: absolute;
  bottom: 0.8rem;
  content: "点击上传封面";
  font-size: 0.64rem;
  letter-spacing: 0.08em;
}

.projects-image-slot[data-populated="true"]::before,
.projects-image-slot[data-populated="true"]::after {
  display: none;
}

.projects-image-slot[data-populated="true"] {
  cursor: grab;
  touch-action: none;
}

.projects-image-slot[data-populated="true"]:active {
  cursor: grabbing;
}

.projects-image-slot:hover,
.projects-image-slot:focus-visible {
  border-color: rgba(231, 238, 255, 0.94);
  box-shadow: 0 0 1.5rem rgba(148, 182, 255, 0.22), inset 0 0 1.2rem rgba(255, 255, 255, 0.06);
  outline: none;
  transform: translateY(-2px);
}

.projects-image-slot--tall {
  height: 100%;
}

.projects-status {
  position: absolute;
  z-index: 3;
  right: 1.5rem;
  bottom: 1rem;
  margin: 0;
  color: rgba(255, 255, 255, 0.66);
  font-size: 0.7rem;
}

.projects-artboard-overlay {
  position: fixed;
  z-index: 20;
  inset: 0;
  display: grid;
  grid-template-columns: 1fr auto 1fr;
  gap: 1rem;
  align-items: center;
  justify-content: center;
  padding: 4rem;
  background: rgba(3, 2, 27, 0.82);
  -webkit-backdrop-filter: blur(20px);
  backdrop-filter: blur(20px);
}

.projects-artboard-overlay[hidden] {
  display: none;
}

.projects-artboard {
  position: relative;
  grid-column: 2;
  width: min(70rem, 76vw);
  max-height: 78vh;
  aspect-ratio: 16 / 9;
  overflow: hidden;
  border: 1.5px solid rgba(231, 238, 255, 0.92);
  border-radius: 1.8rem;
  background-color: #0a093b;
  background-position: center;
  background-repeat: no-repeat;
  background-size: cover;
  box-shadow: 0 0 1rem rgba(185, 207, 255, 0.24), 0 0 4rem rgba(105, 139, 255, 0.18);
}

.projects-artboard::after {
  position: absolute;
  inset: 0;
  display: grid;
  place-items: center;
  color: rgba(255, 255, 255, 0.46);
  content: "点击上传详情图片";
  font-size: 0.76rem;
  letter-spacing: 0.12em;
  pointer-events: none;
}

.projects-artboard[data-populated="true"]::after {
  display: none;
}

.projects-artboard-tools {
  position: absolute;
  display: grid;
  grid-column: 3;
  align-self: center;
  justify-self: start;
  gap: 0.6rem;
}

.projects-artboard-tools button {
  min-width: 5.5rem;
  padding: 0.68rem 1rem;
  border: 1px solid rgba(255, 255, 255, 0.28);
  border-radius: 999px;
  background: rgba(10, 9, 59, 0.76);
  color: #fff;
  cursor: pointer;
  font: inherit;
  font-size: 0.72rem;
}

.projects-artboard-tools button:hover,
.projects-artboard-tools button:focus-visible {
  border-color: #fff;
  background: rgba(255, 255, 255, 0.12);
  outline: none;
}

.has-open-artboard .projects-stage,
.has-open-artboard .projects-heading {
  pointer-events: none;
}

@media (hover: none), (pointer: coarse) {
  .projects-screen {
    display: none !important;
  }
}

@media (max-width: 980px) {
  .projects-heading,
  .projects-stage {
    width: calc(100vw - 2.5rem);
  }
}

@media (prefers-reduced-motion: reduce) {
  .projects-screen.has-selected-card .projects-card,
  .projects-card,
  .projects-image-slot {
    transition: none;
  }

  .projects-firefly-field .firefly {
    animation: project-firefly-rise var(--project-firefly-duration, 18s) linear var(--project-firefly-delay, 0s) infinite !important;
  }
}