.project-art.video > video {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  z-index: 0;
}

.video-shade {
  position: absolute;
  inset: 0;
  z-index: 1;
  background: linear-gradient(180deg, rgba(8, 5, 20, .12), rgba(12, 7, 29, .38) 55%, rgba(8, 5, 20, .9));
}

.project-art.video .open-video-gallery,
.project-art.video strong { z-index: 2; }
.project-art.video .open-video-gallery { position: relative; }
.video-project.is-active { cursor: pointer; }
.video-project.is-active .project-info:after {
  content: "OPEN ↗";
  position: absolute;
  right: 14px;
  top: 20px;
  color: #a879ff;
  font-size: 7px;
  letter-spacing: 1.5px;
}

body.modal-open { overflow: hidden; }
.video-modal {
  position: fixed;
  inset: 0;
  z-index: 200;
  overflow-y: auto;
  padding: 58px clamp(24px, 6vw, 100px) 80px;
  background: radial-gradient(circle at 80% 0, rgba(106, 58, 202, .24), transparent 32%), #080714;
  opacity: 0;
  visibility: hidden;
  transform: translateY(18px);
  transition: opacity .45s, visibility .45s, transform .45s;
}
.video-modal.open { opacity: 1; visibility: visible; transform: none; }
.video-modal-head {
  display: flex;
  justify-content: space-between;
  align-items: flex-end;
  max-width: 1500px;
  margin: 0 auto 45px;
  padding-bottom: 26px;
  border-bottom: 1px solid rgba(255,255,255,.12);
}
.video-modal-head small { color: #9565ed; font-size: 9px; letter-spacing: 3px; }
.video-modal-head h2 { margin: 10px 0 0; font-size: clamp(42px, 5vw, 72px); letter-spacing: -4px; }
.close-video-gallery {
  display: flex;
  align-items: center;
  gap: 13px;
  padding: 9px 9px 9px 16px;
  border: 1px solid rgba(255,255,255,.16);
  border-radius: 28px;
  background: rgba(255,255,255,.04);
  color: #c5becd;
  cursor: pointer;
  font-size: 10px;
  transition: .25s;
}
.close-video-gallery b { width: 32px; height: 32px; display: grid; place-items: center; border-radius: 50%; background: #8050de; color: #fff; font-size: 20px; font-weight: 400; }
.close-video-gallery:hover { border-color: #9565ed; transform: translateY(-2px); }
.video-showcase { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 42px 26px; max-width: 1500px; margin: auto; }
.video-showcase article { min-width: 0; }
.video-frame {
  position: relative;
  overflow: hidden;
  aspect-ratio: 16 / 9;
  border: 1px solid rgba(175, 132, 255, .2);
  border-radius: 18px;
  background: #100c20;
  box-shadow: 0 25px 70px rgba(0,0,0,.35);
  transition: transform .35s, border-color .35s, box-shadow .35s;
}
.video-frame:hover { transform: translateY(-5px); border-color: rgba(175,132,255,.5); box-shadow: 0 32px 85px rgba(0,0,0,.48), 0 0 35px rgba(121,71,218,.12); }
.video-frame video { display: block; width: 100%; height: 100%; object-fit: contain; background: #05040b; }
.video-showcase article { cursor: pointer; }
.video-frame > button {
  position: absolute;
  left: 50%;
  top: 50%;
  z-index: 3;
  width: 68px;
  height: 68px;
  border: 1px solid rgba(255,255,255,.55);
  border-radius: 50%;
  background: rgba(24,15,48,.52);
  color: #fff;
  font-size: 18px;
  transform: translate(-50%,-50%);
  backdrop-filter: blur(10px);
  cursor: pointer;
  transition: .3s;
}
.video-frame:after {
  content: "点击进入播放";
  position: absolute;
  left: 50%;
  top: calc(50% + 50px);
  z-index: 3;
  color: rgba(255,255,255,.75);
  font-size: 8px;
  letter-spacing: 2px;
  transform: translateX(-50%);
  opacity: 0;
  transition: .3s;
}
.video-showcase article:hover .video-frame > button { transform: translate(-50%,-50%) scale(1.1); background: rgba(125,72,225,.72); box-shadow: 0 0 35px rgba(142,86,245,.5); }
.video-showcase article:hover .video-frame:after { opacity: 1; }
.video-showcase article > div:last-child { padding: 15px 4px 0; }
.video-showcase span { color: #8d63dd; font-size: 8px; letter-spacing: 2px; }
.video-showcase h3 { margin: 7px 0 0; font-size: 18px; font-weight: 600; }
.video-detail { display: none; width: 100%; max-width: none; margin: 0 auto; }
.video-detail.open { display: block; animation: detailIn .45s ease both; }
.video-modal.detail-open .video-modal-head,
.video-modal.detail-open .video-showcase { display: none; }
.video-modal.detail-open { padding: 0 0 80px; }
.video-detail-bar { position: sticky; top: 0; z-index: 6; display: flex; flex-direction: row-reverse; justify-content: space-between; align-items: center; width: 100%; min-height: 96px; margin: 0 0 24px; padding: 14px clamp(24px,6vw,100px); background: rgba(8,7,20,.94); border-bottom: 1px solid rgba(255,255,255,.11); box-shadow: 0 14px 38px rgba(0,0,0,.2); backdrop-filter: blur(16px); }
.back-video-list { padding: 13px 19px; border: 1px solid rgba(169,119,255,.34); border-radius: 25px; background: rgba(100,56,190,.12); color: #d8c9f2; cursor: pointer; font-size: 11px; transition: .25s; }
.back-video-list:hover { transform: translateX(-4px); border-color: #9d6cf4; background: rgba(115,65,211,.26); }
.video-detail-bar > div { text-align: left; }
.video-detail-bar span { color: #8e60e5; font-size: 7px; letter-spacing: 2px; }
.video-detail-bar h3 { margin: 5px 0 0; font-size: 18px; }
.detail-player { width: calc(100% - clamp(36px,12vw,200px)); max-width: 1500px; min-height: calc(100vh - 180px); margin: auto; display: grid; place-items: center; border: 1px solid rgba(174,132,255,.2); border-radius: 22px; overflow: hidden; background: #030207; box-shadow: 0 35px 100px rgba(0,0,0,.5); }
.detail-player video { display: block; width: 100%; max-height: calc(100vh - 180px); background: #000; }
@keyframes detailIn { from { opacity: 0; transform: translateY(18px) scale(.985); } to { opacity: 1; transform: none; } }

@media (max-width: 760px) {
  .video-modal { padding: 32px 18px 55px; }
  .video-modal.detail-open { padding: 0 0 55px; }
  .video-modal-head { align-items: center; margin-bottom: 28px; }
  .video-modal-head h2 { font-size: 38px; letter-spacing: -2px; }
  .video-modal-head small { font-size: 7px; letter-spacing: 2px; }
  .close-video-gallery { padding-left: 11px; }
  .close-video-gallery > b { width: 29px; height: 29px; }
  .video-showcase { grid-template-columns: 1fr; gap: 32px; }
  .video-frame { border-radius: 13px; }
  .video-frame > button { width: 58px; height: 58px; }
  .video-detail-bar { min-height: 78px; padding: 10px 16px; align-items: center; }
  .video-detail-bar > div { max-width: 48%; }
  .detail-player { width: calc(100% - 28px); min-height: 0; border-radius: 13px; }
  .detail-player video { max-height: none; }
}