/* Qeiyu Garden · build-time knowledge graph */

.qy-garden {
  width: min(1240px, calc(100% - 40px));
  margin: 0 auto;
  padding: clamp(118px, 15vw, 174px) 0 clamp(80px, 10vw, 132px);
}

.qy-garden__hero {
  position: relative;
  display: grid;
  min-height: 430px;
  grid-template-columns: minmax(0, 0.88fr) minmax(360px, 1.12fr);
  align-items: center;
  gap: clamp(36px, 7vw, 100px);
  overflow: hidden;
  padding: clamp(32px, 6vw, 76px);
  border: 1px solid var(--qy-border);
  border-radius: clamp(28px, 5vw, 48px);
  background:
    radial-gradient(circle at 82% 18%, color-mix(in srgb, var(--qy-accent) 18%, transparent), transparent 30rem),
    radial-gradient(circle at 12% 84%, color-mix(in srgb, var(--qy-cyan) 10%, transparent), transparent 26rem),
    var(--qy-gradient-glass);
  box-shadow: var(--qy-shadow-lg);
  backdrop-filter: blur(24px) saturate(130%);
}

.qy-garden__hero::after {
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(color-mix(in srgb, var(--qy-text-3) 5%, transparent) 1px, transparent 1px),
    linear-gradient(90deg, color-mix(in srgb, var(--qy-text-3) 5%, transparent) 1px, transparent 1px);
  background-size: 58px 58px;
  content: '';
  mask-image: linear-gradient(120deg, transparent, #000 45%, transparent);
  -webkit-mask-image: linear-gradient(120deg, transparent, #000 45%, transparent);
  pointer-events: none;
}

.qy-garden__hero-copy { position: relative; z-index: 1; }

.qy-garden__hero h1 {
  max-width: 620px;
  margin: 13px 0 18px;
  color: var(--qy-text-1);
  font-size: clamp(2.5rem, 6vw, 5.3rem);
  font-weight: 760;
  letter-spacing: -0.075em;
  line-height: 0.98;
  text-wrap: balance;
}

.qy-garden__hero-copy > p:last-of-type {
  max-width: 600px;
  margin: 0;
  color: var(--qy-text-2);
  font-size: clamp(0.83rem, 1.6vw, 1rem);
  line-height: 1.85;
}

.qy-garden__stats {
  display: flex;
  gap: 28px;
  margin-top: 30px;
}

.qy-garden__stats span { display: grid; gap: 2px; }
.qy-garden__stats strong { color: var(--qy-accent); font-size: 1.45rem; font-weight: 760; }
.qy-garden__stats small { color: var(--qy-text-3); font-size: 0.56rem; font-weight: 760; letter-spacing: 0.13em; }

.qy-garden__hero-orbit {
  position: relative;
  z-index: 1;
  width: min(100%, 480px);
  aspect-ratio: 1;
  justify-self: center;
}

.qy-garden__hero-orbit::before,
.qy-garden__hero-orbit::after,
.qy-garden__hero-orbit i {
  position: absolute;
  border: 1px solid color-mix(in srgb, var(--qy-accent) 20%, transparent);
  border-radius: 50%;
  content: '';
}

.qy-garden__hero-orbit::before { inset: 8%; }
.qy-garden__hero-orbit::after { inset: 24%; border-style: dashed; }
.qy-garden__hero-orbit i { width: 17px; height: 17px; background: var(--qy-surface-solid); box-shadow: 0 0 0 8px var(--qy-accent-soft); }
.qy-garden__hero-orbit i:nth-child(1) { top: 7%; left: 46%; animation: qy-garden-float 5s ease-in-out infinite alternate; }
.qy-garden__hero-orbit i:nth-child(2) { right: 12%; bottom: 26%; animation: qy-garden-float 6.5s ease-in-out -1s infinite alternate; }
.qy-garden__hero-orbit i:nth-child(3) { bottom: 14%; left: 20%; animation: qy-garden-float 7s ease-in-out -2s infinite alternate; }

.qy-garden__stage,
.qy-garden__catalog { margin-top: clamp(74px, 10vw, 120px); }

.qy-garden__stage-head {
  display: flex;
  align-items: end;
  justify-content: space-between;
  gap: 30px;
  margin-bottom: 24px;
}

.qy-garden__stage-head h2 {
  margin: 8px 0 0;
  color: var(--qy-text-1);
  font-size: clamp(1.8rem, 4vw, 3.2rem);
  font-weight: 740;
  letter-spacing: -0.055em;
}

.qy-garden__stage-head > p {
  max-width: 420px;
  margin: 0;
  color: var(--qy-text-3);
  font-size: 0.72rem;
  line-height: 1.7;
  text-align: right;
}

.qy-garden__workspace {
  display: grid;
  grid-template-columns: minmax(0, 1fr) 310px;
  gap: 16px;
}

.qy-garden__map-shell,
.qy-garden__inspector {
  overflow: hidden;
  border: 1px solid var(--qy-border);
  border-radius: var(--qy-radius-lg);
  background: color-mix(in srgb, var(--qy-surface-solid) 76%, transparent);
  box-shadow: var(--qy-shadow-sm);
  backdrop-filter: blur(22px);
}

.qy-garden__map-shell {
  position: relative;
  min-height: 560px;
  background:
    radial-gradient(circle at 50% 45%, color-mix(in srgb, var(--qy-accent) 10%, transparent), transparent 24rem),
    color-mix(in srgb, var(--qy-surface-solid) 72%, transparent);
}

.qy-garden__map-shell::after {
  position: absolute;
  inset: 0;
  background-image: radial-gradient(color-mix(in srgb, var(--qy-text-3) 16%, transparent) 0.7px, transparent 0.7px);
  background-size: 18px 18px;
  content: '';
  opacity: 0.34;
  pointer-events: none;
}

.qy-garden__map { position: relative; z-index: 1; display: block; width: 100%; min-height: 560px; }

.qy-garden-map__edge {
  fill: none;
  stroke-linecap: round;
  transition: opacity 260ms ease, stroke-width 260ms ease;
}

.qy-garden-map__edge.is-link { stroke: color-mix(in srgb, var(--qy-accent) 54%, transparent); stroke-width: 2.2; }
.qy-garden-map__edge.is-topic { stroke: color-mix(in srgb, var(--qy-cyan) 34%, transparent); stroke-width: 1.4; stroke-dasharray: 6 8; }
.qy-garden-map__edge.is-active { opacity: 1; stroke-width: 3.2; }
.qy-garden-map__edge.is-dimmed { opacity: 0.12; }

.qy-garden-map__node { cursor: pointer; outline: none; transition: opacity 260ms ease; }
.qy-garden-map__node-halo { fill: color-mix(in srgb, var(--qy-accent) 8%, transparent); stroke: color-mix(in srgb, var(--qy-accent) 16%, transparent); transition: transform 320ms var(--qy-ease-spring), fill 260ms ease; }
.qy-garden-map__node-core { fill: color-mix(in srgb, var(--qy-surface-solid) 91%, var(--qy-accent-soft)); stroke: color-mix(in srgb, var(--qy-accent) 44%, var(--qy-border)); stroke-width: 1.6; filter: drop-shadow(0 10px 16px color-mix(in srgb, var(--qy-accent) 14%, transparent)); }
.qy-garden-map__node-mark { fill: var(--qy-accent); font: 760 13px var(--qy-font-sans); letter-spacing: 0.06em; pointer-events: none; }
.qy-garden-map__node-title { fill: var(--qy-text-2); font: 650 12px var(--qy-font-sans); pointer-events: none; }
.qy-garden-map__node:hover .qy-garden-map__node-halo,
.qy-garden-map__node:focus .qy-garden-map__node-halo,
.qy-garden-map__node.is-active .qy-garden-map__node-halo { fill: color-mix(in srgb, var(--qy-accent) 16%, transparent); transform: scale(1.12); }
.qy-garden-map__node.is-dimmed { opacity: 0.22; }

.qy-garden__loading {
  position: absolute;
  z-index: 3;
  inset: 0;
  display: grid;
  place-items: center;
  align-content: center;
  gap: 10px;
  color: var(--qy-text-3);
  font-size: 0.72rem;
}

.qy-garden__loading span { width: 34px; height: 34px; border: 2px solid var(--qy-accent-soft); border-top-color: var(--qy-accent); border-radius: 50%; animation: qy-garden-spin 900ms linear infinite; }

.qy-garden__inspector {
  display: flex;
  min-height: 560px;
  flex-direction: column;
  padding: 26px;
  background:
    radial-gradient(circle at 100% 0%, color-mix(in srgb, var(--qy-accent) 14%, transparent), transparent 17rem),
    color-mix(in srgb, var(--qy-surface-solid) 78%, transparent);
}

.qy-garden__inspector-index { color: var(--qy-accent); font-size: 0.58rem; font-weight: 780; letter-spacing: 0.14em; }
.qy-garden__inspector h3 { margin: 18px 0 12px; color: var(--qy-text-1); font-size: 1.35rem; font-weight: 730; letter-spacing: -0.04em; line-height: 1.25; }
.qy-garden__inspector > p { margin: 0; color: var(--qy-text-2); font-size: 0.72rem; line-height: 1.75; }
.qy-garden__inspector-tags { display: flex; flex-wrap: wrap; gap: 6px; margin-top: 18px; }
.qy-garden__inspector-tags span { padding: 6px 9px; border: 1px solid var(--qy-border); border-radius: var(--qy-radius-pill); color: var(--qy-text-3); background: var(--qy-surface-muted); font-size: 0.58rem; }
.qy-garden__inspector-meta { display: grid; gap: 6px; margin-top: auto; padding-top: 28px; color: var(--qy-text-3); font-size: 0.62rem; }
.qy-garden__inspector-link { display: flex; min-height: 42px; align-items: center; justify-content: center; margin-top: 16px; border-radius: var(--qy-radius-pill); color: #fff; background: var(--qy-gradient-accent); box-shadow: 0 12px 26px color-mix(in srgb, var(--qy-accent) 22%, transparent); font-size: 0.66rem; font-weight: 720; }

.qy-garden__cards { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 14px; }
.qy-garden-card { display: flex; min-height: 250px; flex-direction: column; padding: 20px; border: 1px solid var(--qy-border); border-radius: var(--qy-radius-md); color: inherit; background: color-mix(in srgb, var(--qy-surface-solid) 75%, transparent); box-shadow: var(--qy-shadow-xs); transition: transform var(--qy-duration-base) var(--qy-ease-spring), border-color var(--qy-duration-base), box-shadow var(--qy-duration-base); }
.qy-garden-card:hover { border-color: color-mix(in srgb, var(--qy-accent) 32%, var(--qy-border)); box-shadow: var(--qy-shadow-md); transform: translateY(-6px); }
.qy-garden-card__top { display: flex; justify-content: space-between; color: var(--qy-accent); font-size: 0.64rem; font-weight: 760; }
.qy-garden-card__copy { margin: auto 0; }
.qy-garden-card h3 { margin: 0 0 10px; color: var(--qy-text-1); font-size: 1.05rem; font-weight: 720; letter-spacing: -0.035em; line-height: 1.35; }
.qy-garden-card p { display: -webkit-box; overflow: hidden; margin: 0; color: var(--qy-text-3); font-size: 0.68rem; line-height: 1.65; -webkit-box-orient: vertical; -webkit-line-clamp: 3; }
.qy-garden-card__tags { display: flex; flex-wrap: wrap; gap: 5px; margin-top: 18px; }
.qy-garden-card__tags span { color: var(--qy-accent); font-size: 0.57rem; }
.qy-garden__catalog-loading { grid-column: 1 / -1; padding: 70px; color: var(--qy-text-3); text-align: center; }

/* Article knowledge trail -------------------------------------------- */

.qy-article-garden {
  position: relative;
  margin-bottom: clamp(46px, 7vw, 70px);
  padding-bottom: clamp(38px, 6vw, 60px);
  border-bottom: 1px solid rgba(255, 255, 255, 0.1);
}

.qy-article-garden__header { display: flex; align-items: end; justify-content: space-between; gap: 20px; margin-bottom: 18px; }
.qy-article-garden__header h2 { margin: 7px 0 0; color: #fff; font-size: clamp(1.35rem, 3vw, 2rem); font-weight: 720; letter-spacing: -0.045em; }
.qy-article-garden__header > a { color: rgba(221, 185, 239, 0.7); font-size: 0.65rem; }
.qy-article-garden__list { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 10px; }
.qy-article-garden-card { display: grid; min-height: 142px; align-content: start; padding: 17px; border: 1px solid rgba(255, 255, 255, 0.11); border-radius: 17px; background: rgba(255, 255, 255, 0.045); transition: transform var(--qy-duration-base) var(--qy-ease-spring), background var(--qy-duration-base), border-color var(--qy-duration-base); }
.qy-article-garden-card:hover { border-color: rgba(198, 155, 229, 0.3); background: rgba(198, 155, 229, 0.08); transform: translateY(-3px); }
.qy-article-garden-card__meta { display: flex; justify-content: space-between; color: rgba(221, 185, 239, 0.58); font-size: 0.56rem; font-weight: 750; letter-spacing: 0.08em; }
.qy-article-garden-card strong { margin-top: 20px; color: rgba(255, 255, 255, 0.83); font-size: 0.8rem; line-height: 1.35; }
.qy-article-garden-card p { display: -webkit-box; overflow: hidden; margin: 7px 0 0; color: rgba(255, 255, 255, 0.38); font-size: 0.62rem; line-height: 1.55; -webkit-box-orient: vertical; -webkit-line-clamp: 2; }
.qy-article-garden__loading { grid-column: 1 / -1; padding: 28px; border: 1px dashed rgba(255, 255, 255, 0.12); border-radius: 16px; color: rgba(255, 255, 255, 0.38); text-align: center; font-size: 0.65rem; }

@keyframes qy-garden-spin { to { transform: rotate(360deg); } }
@keyframes qy-garden-float { to { transform: translate3d(12px, -10px, 0) scale(1.08); } }

@media (max-width: 980px) {
  .qy-garden__hero { grid-template-columns: 1fr; }
  .qy-garden__hero-orbit { position: absolute; right: -110px; bottom: -130px; width: 420px; opacity: 0.45; }
  .qy-garden__workspace { grid-template-columns: 1fr; }
  .qy-garden__inspector { min-height: 0; }
  .qy-garden__inspector-meta { margin-top: 24px; }
  .qy-garden__cards { grid-template-columns: repeat(2, minmax(0, 1fr)); }
}

@media (max-width: 680px) {
  .qy-garden { width: min(100% - 24px, 1240px); padding-top: 104px; }
  .qy-garden__hero { min-height: 460px; padding: 26px 22px; }
  .qy-garden__stage-head { align-items: flex-start; flex-direction: column; gap: 10px; }
  .qy-garden__stage-head > p { text-align: left; }
  .qy-garden__map-shell, .qy-garden__map { min-height: 420px; }
  .qy-garden__cards, .qy-article-garden__list { grid-template-columns: 1fr; }
  .qy-article-garden__header { align-items: flex-start; flex-direction: column; }
}

@media (prefers-reduced-motion: reduce) {
  .qy-garden__hero-orbit i,
  .qy-garden__loading span { animation: none !important; }
  .qy-garden-card,
  .qy-garden-map__node,
  .qy-garden-map__edge,
  .qy-garden-map__node-halo,
  .qy-article-garden-card { transition: none !important; }
}