:root {
  color-scheme: dark;
  background: #0d0d0d;
  font-family: Arial, "Microsoft YaHei", sans-serif;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
  background: #0d0d0d;
}

body {
  margin: 0;
  overflow-x: hidden;
  background: #0d0d0d;
  color: #fff;
}

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

.detail-nav {
  position: fixed;
  top: 18px;
  left: 50%;
  z-index: 10;
  display: flex;
  align-items: center;
  justify-content: space-between;
  width: min(920px, calc(100vw - 36px));
  height: 48px;
  padding: 0 18px;
  border: 1px solid rgba(255, 255, 255, 0.18);
  border-radius: 999px;
  background: rgba(8, 8, 8, 0.68);
  box-shadow: 0 14px 40px rgba(0, 0, 0, 0.24);
  transform: translateX(-50%);
  backdrop-filter: blur(16px);
}

.detail-nav a {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-size: 13px;
  font-weight: 700;
}

.detail-nav a span {
  font-size: 19px;
}

.detail-nav p {
  margin: 0;
  color: rgba(255, 255, 255, 0.62);
  font-size: 12px;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.project-gallery {
  width: min(1400px, 100%);
  margin: 0 auto;
  background: #111;
}

.project-gallery img {
  display: block;
  width: 100%;
  height: auto;
  margin: 0;
}

body.is-more-gallery-detail {
  background: #050505;
}

body.is-drag-gallery-detail {
  overflow: hidden;
  background: #000;
}

body.is-drag-gallery-detail .detail-nav,
body.is-drag-gallery-detail .detail-footer {
  display: none;
}

.project-gallery.more-gallery {
  width: min(1520px, calc(100vw - 64px));
  min-height: 100vh;
  padding: clamp(72px, 8vw, 132px) 0 clamp(64px, 9vw, 140px);
  background:
    radial-gradient(circle at 50% 0%, rgba(190, 255, 78, 0.09), transparent 28%),
    #050505;
  column-count: 3;
  column-gap: clamp(18px, 2vw, 32px);
}

.project-gallery.more-gallery::before {
  content: attr(data-title);
  display: block;
  margin: 0 0 clamp(28px, 5vw, 76px);
  color: rgba(255, 255, 255, 0.92);
  font-size: clamp(38px, 7vw, 112px);
  font-weight: 300;
  line-height: 0.92;
  letter-spacing: -0.07em;
  column-span: all;
}

.more-gallery-item {
  display: inline-block;
  width: 100%;
  margin: 0 0 clamp(18px, 2vw, 32px);
  overflow: hidden;
  border: 1px solid rgba(255, 255, 255, 0.08);
  border-radius: clamp(18px, 2vw, 30px);
  background: rgba(255, 255, 255, 0.05);
  box-shadow: 0 26px 80px rgba(0, 0, 0, 0.35);
  break-inside: avoid;
}

.more-gallery-item img {
  width: 100%;
  transition:
    transform 0.55s ease,
    filter 0.55s ease;
}

.more-gallery-item:hover img {
  transform: scale(1.035);
  filter: brightness(1.08);
}

.project-gallery.drag-gallery {
  position: relative;
  width: 100vw;
  height: 100vh;
  min-height: 720px;
  overflow: hidden;
  background:
    radial-gradient(circle at 50% 45%, rgba(255, 255, 255, 0.04), transparent 34%),
    #000;
  cursor: grab;
  touch-action: none;
  user-select: none;
}

.project-gallery.drag-gallery.is-dragging {
  cursor: grabbing;
}

.project-gallery.drag-gallery::before {
  content: "";
  position: absolute;
  inset: 0;
  z-index: 2;
  pointer-events: none;
  background:
    linear-gradient(90deg, #000 0%, transparent 8%, transparent 92%, #000 100%),
    linear-gradient(180deg, #000 0%, transparent 10%, transparent 90%, #000 100%);
}

.drag-gallery-track {
  position: absolute;
  top: 0;
  left: 0;
  width: var(--track-width);
  height: var(--track-height);
  will-change: transform;
}

.drag-gallery-item {
  position: absolute;
  top: var(--y);
  left: var(--x);
  z-index: 1;
  display: grid;
  place-items: center;
  width: var(--w);
  height: var(--w);
  margin: 0;
  border-radius: clamp(14px, 1.8vw, 28px);
  transform-origin: 50% 50%;
  transition:
    transform 0.34s cubic-bezier(0.2, 0.8, 0.2, 1),
    filter 0.34s ease;
  will-change: transform;
}

.drag-gallery-item:hover {
  z-index: 5;
  transform: scale(1.06);
  filter: brightness(1.08);
}

.drag-gallery-item img {
  display: block;
  width: 100%;
  height: 100%;
  border-radius: inherit;
  object-fit: contain;
  pointer-events: none;
  user-select: none;
  -webkit-user-drag: none;
  filter: drop-shadow(0 22px 34px rgba(0, 0, 0, 0.36));
}

.detail-empty {
  margin: 0;
  padding: 30vh 24px;
  color: rgba(255, 255, 255, 0.58);
  font-size: 16px;
  text-align: center;
}

.detail-footer {
  display: grid;
  place-items: center;
  min-height: 52vh;
  padding: 80px 24px;
  background: #0d0d0d;
  text-align: center;
}

.detail-footer p {
  margin: 0;
  font-size: clamp(36px, 6vw, 96px);
  font-weight: 800;
  letter-spacing: -0.05em;
}

.detail-footer a {
  margin-top: 30px;
  padding: 13px 24px;
  border: 1px solid rgba(255, 255, 255, 0.45);
  border-radius: 999px;
  font-size: 14px;
}

body.is-embedded .detail-nav,
body.is-embedded .detail-footer {
  display: none;
}

@media (max-width: 980px) {
  .project-gallery.more-gallery {
    width: calc(100vw - 36px);
    column-count: 2;
  }
}

@media (max-width: 640px) {
  .detail-nav {
    top: 10px;
    width: calc(100vw - 20px);
  }

  .detail-nav p {
    display: none;
  }

  .project-gallery {
    width: 100vw;
  }

  .project-gallery.drag-gallery {
    min-height: 100vh;
  }

  .project-gallery.more-gallery {
    width: calc(100vw - 28px);
    column-count: 1;
  }
}