/* 商店页尾部:架构图、系统需求、更新卡片、灯箱、提示、响应式 */

/* ---------- 架构 ---------- */
.diagram {
  margin: 0 0 14px;
  padding: 16px;
  background: rgba(0, 0, 0, 0.25);
  overflow-x: auto;
}
.diagram svg {
  display: block;
  min-width: 720px;
  width: 100%;
  height: auto;
}
.diagram .zone {
  fill: rgba(58, 150, 207, 0.05);
  stroke: #3b6e8c;
  stroke-dasharray: 5 5;
}
.diagram .zone-t {
  fill: #6d8aa0;
  font-size: 12px;
}
.diagram .edge path {
  fill: none;
  stroke: #66c0f4;
  stroke-width: 2;
  opacity: 0.75;
}
.diagram .elabel {
  fill: #9fc6e0;
  font-size: 12px;
  font-family: var(--mono);
}
.diagram .node rect {
  stroke-width: 1.5;
}
.diagram .ui rect {
  fill: #213547;
  stroke: #5ea1c9;
}
.diagram .core rect {
  fill: #23394d;
  stroke: #66c0f4;
}
.diagram .rust rect {
  fill: #2c2a24;
  stroke: #c7854a;
}
.diagram .ext rect {
  fill: #1f262f;
  stroke: #556772;
}
.diagram .nt {
  fill: #fff;
  font-size: 16px;
}
.diagram .ns {
  fill: #a7b6c2;
  font-size: 12.5px;
}
.diagram text {
  font-family: var(--font);
}
.diagram text.elabel {
  font-family: var(--mono);
}
.pillars {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 8px;
}
.pillars > div {
  padding: 14px;
  background: rgba(0, 0, 0, 0.2);
}
.pillars h4 {
  margin: 0 0 6px;
  font-size: 14px;
  font-weight: 400;
  color: var(--white);
}
.pillars p {
  margin: 0;
  font-size: 13px;
  color: #acb2b8;
}
.pillars code {
  color: #e6c69c;
}

/* ---------- 系统需求 ---------- */
.reqs-tabs {
  display: flex;
  margin-bottom: 0;
}
.reqs-tabs span {
  padding: 5px 14px;
  font-size: 12px;
  color: var(--white);
  background: #2a475e;
}
.reqs {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 24px;
  padding: 16px;
  border-top: 2px solid #2a475e;
  background: rgba(0, 0, 0, 0.2);
}
.reqs h4 {
  margin: 0 0 8px;
  font-size: 12px;
  font-weight: 400;
  text-transform: uppercase;
  color: var(--text-dim);
}
.reqs ul {
  margin: 0;
  padding: 0;
  list-style: none;
  display: grid;
  gap: 4px;
  font-size: 13px;
  color: #acb2b8;
}
.reqs b {
  font-weight: 400;
  color: var(--text-dim);
}
.limits {
  margin-top: 8px;
  padding: 10px 16px;
  background: rgba(0, 0, 0, 0.2);
  font-size: 13px;
}
.limits summary {
  cursor: pointer;
  color: var(--link);
}
.limits ul {
  margin: 10px 0 4px;
  padding-left: 18px;
  color: #acb2b8;
  display: grid;
  gap: 4px;
}

/* ---------- 更新卡片 ---------- */
.news {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
  gap: 10px;
}
.ev {
  position: relative;
  padding: 14px 16px 12px;
  background: linear-gradient(160deg, #24384b, #1a2735);
  border-radius: 3px;
  box-shadow: 0 4px 10px rgba(0, 0, 0, 0.25);
}
.ev-tag {
  display: inline-block;
  margin-bottom: 6px;
  padding: 0 7px;
  font-size: 11px;
  line-height: 18px;
  border-radius: 2px;
  color: #c3ff5c;
  background: rgba(117, 176, 34, 0.25);
}
.ev-tag.pre {
  color: #ffd27a;
  background: rgba(214, 160, 44, 0.22);
}
.ev time {
  float: right;
  font-size: 11px;
  color: var(--text-mute);
}
.ev h4 {
  margin: 0 0 6px;
  font-size: 15px;
  font-weight: 400;
  color: var(--white);
}
.ev ul {
  margin: 0;
  padding-left: 16px;
  font-size: 12.5px;
  color: #acb2b8;
  display: grid;
  gap: 3px;
}
.ev a {
  font-size: 12px;
}

/* ---------- 灯箱 ---------- */
.lightbox {
  position: fixed;
  inset: 0;
  z-index: 100;
  display: grid;
  place-items: center;
  padding: 24px 64px;
  background: rgba(0, 0, 0, 0.88);
}
.lightbox[hidden] {
  display: none;
}
.lightbox figure {
  margin: 0;
  max-width: min(1280px, 100%);
}
.lightbox img {
  max-height: calc(100vh - 100px);
  width: auto;
  margin-inline: auto;
  box-shadow: 0 0 40px rgba(0, 0, 0, 0.8);
}
.lightbox figcaption {
  margin-top: 10px;
  text-align: center;
  color: var(--text);
}
.lb-close,
.lb-nav {
  position: absolute;
  border: 0;
  color: var(--white);
  background: rgba(255, 255, 255, 0.08);
  cursor: pointer;
  font-size: 32px;
  line-height: 1;
}
.lb-close {
  top: 14px;
  right: 14px;
  width: 44px;
  height: 44px;
}
.lb-nav {
  top: 50%;
  translate: 0 -50%;
  width: 44px;
  height: 72px;
}
.lb-nav.prev {
  left: 10px;
}
.lb-nav.next {
  right: 10px;
}
.lb-close:hover,
.lb-nav:hover {
  background: rgba(255, 255, 255, 0.2);
}

.toast {
  position: fixed;
  left: 50%;
  bottom: 24px;
  z-index: 120;
  translate: -50% 20px;
  max-width: calc(100% - 32px);
  padding: 10px 18px;
  border-radius: 3px;
  font-size: 13px;
  color: var(--white);
  background: #3d4450;
  box-shadow: 0 6px 20px rgba(0, 0, 0, 0.5);
  opacity: 0;
  pointer-events: none;
  transition:
    opacity 0.2s,
    translate 0.2s;
}
.toast.show {
  opacity: 1;
  translate: -50% 0;
}

/* ---------- 响应式 ---------- */
@media (max-width: 900px) {
  .highlight,
  .cols {
    grid-template-columns: minmax(0, 1fr);
  }
  .hl-info {
    padding: 0 14px 14px;
  }
  .capsule {
    display: none;
  }
  .stats {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
  .cmp-grid,
  .pillars,
  .reqs {
    grid-template-columns: minmax(0, 1fr);
  }
}
@media (max-width: 600px) {
  .title-row h1 {
    font-size: 24px;
  }
  .btn-hub span {
    display: none;
  }
  .feat,
  .feat.rev {
    grid-template-columns: minmax(0, 1fr);
  }
  .feat.rev img {
    order: 0;
  }
  .qbtn-hl {
    margin-left: 0;
  }
  .buy {
    padding-bottom: 44px;
  }
  .buy-act {
    left: 16px;
  }
  .btn-green {
    flex: 1;
  }
  .bar {
    grid-template-columns: 84px minmax(0, 1fr);
  }
  .bar .val {
    grid-column: 1 / -1;
    text-align: left;
    margin-top: -4px;
  }
  .bar::after {
    left: 0;
  }
  .gallery {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
  .lightbox {
    padding: 56px 8px;
  }
  .lb-nav {
    top: auto;
    bottom: 8px;
    translate: none;
    height: 44px;
  }
}
.ev-link {
  display: inline-block;
  margin-top: 8px;
}