/* ================= 首页 page-home ================= */
.page-home {
  --home-tint-orange: rgba(255, 122, 26, .13);
  --home-tint-green: rgba(31, 169, 122, .13);
  --home-tint-blue: rgba(47, 168, 255, .13);
  --home-tint-violet: rgba(139, 92, 246, .15);
  --home-tint-yellow: rgba(255, 212, 0, .12);
  --home-block: clamp(34px, 5vw, 72px);
}

/* ---------- 通用区块头 ---------- */
.page-home .section-head {
  max-width: 62ch;
}

.page-home .section-index {
  display: inline-block;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: .16em;
  color: var(--orange);
  text-transform: uppercase;
}

.page-home .section-title {
  margin: 8px 0 0;
  font-family: var(--font-display);
  font-weight: 800;
  font-size: clamp(22px, 3.1vw, 34px);
  line-height: 1.24;
  letter-spacing: -.01em;
  color: var(--fog);
}

.page-home .section-note {
  margin: 10px 0 0;
  font-size: 15px;
  line-height: 1.8;
  color: var(--mute);
}

.page-home .mono {
  font-family: var(--font-mono);
}

/* ---------- 首屏 ---------- */
.page-home .home-top {
  position: relative;
  padding-block: clamp(24px, 4.4vw, 62px) clamp(30px, 4.4vw, 58px);
  background-color: var(--ink);
  background-image:
    linear-gradient(rgba(124, 135, 152, .13) 1px, transparent 1px),
    linear-gradient(90deg, rgba(124, 135, 152, .13) 1px, transparent 1px);
  background-size: 48px 48px;
  border-bottom: 1px solid var(--line);
  overflow: hidden;
}

.page-home .home-top::before {
  content: "";
  position: absolute;
  top: -22%;
  right: -14%;
  width: min(64vw, 700px);
  aspect-ratio: 1;
  border-radius: 50%;
  background: radial-gradient(circle at 50% 50%,
      rgba(255, 122, 26, .30),
      rgba(139, 92, 246, .16) 46%,
      transparent 70%);
  filter: blur(8px);
  pointer-events: none;
}

.page-home .home-top__grid {
  position: relative;
  z-index: 1;
  display: grid;
  gap: clamp(24px, 3.6vw, 48px);
  align-items: center;
}

.page-home .home-top .breadcrumb {
  margin: 0;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: .08em;
  color: var(--mute);
}

.page-home .home-top h1 {
  margin: 12px 0 0;
  font-family: var(--font-display);
  font-weight: 900;
  font-size: clamp(27px, 4.5vw, 50px);
  line-height: 1.16;
  letter-spacing: -.02em;
  color: var(--fog);
}

.page-home .home-lede {
  margin: clamp(14px, 2vw, 22px) 0 0;
  max-width: 60ch;
  font-size: clamp(15px, 1.35vw, 18px);
  line-height: 1.85;
  color: rgba(242, 245, 250, .84);
}

.page-home .home-facts {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-top: clamp(16px, 2.4vw, 28px);
}

.page-home .home-top__visual {
  margin: 0;
  position: relative;
}

.page-home .home-top__visual::after {
  content: "";
  position: absolute;
  inset: auto -6% -8% auto;
  width: 62%;
  height: 46%;
  background: radial-gradient(ellipse at 100% 100%, rgba(255, 212, 0, .20), transparent 68%);
  pointer-events: none;
}

/* ---------- 图片容器加固 ---------- */
.page-home .img-frame {
  margin: 0;
  overflow: hidden;
  border-radius: var(--radius-m);
}

.page-home .img-frame img {
  display: block;
  width: 100%;
  max-width: 100%;
  height: auto;
  object-fit: cover;
}

.page-home .img-caption {
  display: block;
  margin-top: 10px;
  font-size: 13px;
  line-height: 1.7;
  color: var(--mute);
}

/* ---------- 栏目横带 ---------- */
.page-home .home-bands {
  padding-block: var(--home-block);
  background: var(--ink-deep);
  border-bottom: 1px solid var(--line);
}

.page-home .band-list {
  list-style: none;
  margin: clamp(20px, 2.8vw, 34px) 0 0;
  padding: 0;
  display: grid;
  gap: 10px;
}

.page-home .band-row {
  --band-accent: var(--orange);
  --band-tint: var(--home-tint-orange);
  --band-shift: 0px;
  position: relative;
  display: grid;
  grid-template-columns: auto minmax(0, 1fr);
  grid-template-areas:
    "idx name"
    "count count"
    "tags tags";
  align-items: center;
  gap: 6px 14px;
  padding: 14px clamp(28px, 3vw, 36px) 14px clamp(16px, 2vw, 22px);
  background: linear-gradient(92deg, var(--band-tint), rgba(26, 32, 48, .92) 40%);
  border: 1px solid var(--line);
  border-left: 3px solid var(--band-accent);
  clip-path: polygon(0 0, 100% 0, calc(100% - 16px) 100%, 0 100%);
  transition: transform .22s var(--ease), border-color .22s var(--ease);
}

.page-home .band-row:hover {
  transform: translateY(-3px);
  border-color: var(--band-accent);
}

.page-home .band-row:nth-child(1) { --band-accent: var(--orange); --band-tint: var(--home-tint-orange); }
.page-home .band-row:nth-child(2) { --band-accent: var(--green);  --band-tint: var(--home-tint-green); }
.page-home .band-row:nth-child(3) { --band-accent: var(--blue);   --band-tint: var(--home-tint-blue); }
.page-home .band-row:nth-child(4) { --band-accent: var(--violet); --band-tint: var(--home-tint-violet); }
.page-home .band-row:nth-child(5) { --band-accent: var(--yellow); --band-tint: var(--home-tint-yellow); }
.page-home .band-row:nth-child(6) { --band-accent: var(--orange); --band-tint: var(--home-tint-orange); }

.page-home .band-idx {
  grid-area: idx;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: .14em;
  color: var(--band-accent);
}

.page-home .band-name {
  grid-area: name;
  font-family: var(--font-display);
  font-weight: 800;
  font-size: clamp(17px, 2.1vw, 22px);
  color: var(--fog);
}

.page-home .band-count {
  grid-area: count;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: .04em;
  color: var(--mute);
}

.page-home .band-tags {
  grid-area: tags;
  font-size: 13px;
  line-height: 1.6;
  color: rgba(242, 245, 250, .52);
  transition: color .22s var(--ease);
}

.page-home .band-row:hover .band-tags {
  color: rgba(242, 245, 250, .92);
}

/* ---------- 分类标签 ---------- */
.page-home .home-tags {
  padding-block: var(--home-block);
  background: var(--ink);
  border-bottom: 1px solid var(--line);
}

.page-home .tags-grid {
  display: grid;
  gap: clamp(24px, 3.4vw, 46px);
  align-items: start;
}

.page-home .tags-visual {
  margin-top: 4px;
}

.page-home .tag-lab {
  margin-top: clamp(18px, 2.6vw, 30px);
  padding: clamp(16px, 2vw, 24px);
  border: 1px solid var(--line);
  border-radius: var(--radius-m);
  background: var(--panel);
}

.page-home .tag-lab input[type="radio"] {
  position: absolute;
  width: 1px;
  height: 1px;
  margin: -1px;
  padding: 0;
  overflow: hidden;
  clip: rect(0 0 0 0);
  clip-path: inset(50%);
  white-space: nowrap;
  border: 0;
}

.page-home .tag-tabs {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  padding-bottom: 14px;
  border-bottom: 1px solid var(--line);
}

.page-home .tag-tabs label {
  cursor: pointer;
  padding: 7px 14px;
  border-radius: 999px;
  border: 1px solid var(--line-strong);
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: .06em;
  color: var(--mute);
  transition: color .18s var(--ease), border-color .18s var(--ease),
              background-color .18s var(--ease);
}

.page-home .tag-tabs label:hover {
  color: var(--fog);
  border-color: var(--blue);
}

.page-home .tag-lab input:nth-of-type(1):checked ~ .tag-tabs label:nth-of-type(1),
.page-home .tag-lab input:nth-of-type(2):checked ~ .tag-tabs label:nth-of-type(2),
.page-home .tag-lab input:nth-of-type(3):checked ~ .tag-tabs label:nth-of-type(3) {
  color: var(--ink);
  font-weight: 700;
  background: var(--orange);
  border-color: var(--orange);
}

.page-home .tag-lab input:focus-visible ~ .tag-tabs label {
  outline: 2px solid var(--blue);
  outline-offset: 2px;
}

.page-home .tag-panel {
  display: none;
  padding-top: 16px;
}

.page-home .tag-lab input:nth-of-type(1):checked ~ .tag-panels .tag-panel--col,
.page-home .tag-lab input:nth-of-type(2):checked ~ .tag-panels .tag-panel--era,
.page-home .tag-lab input:nth-of-type(3):checked ~ .tag-panels .tag-panel--line {
  display: block;
}

.page-home .tag-cloud {
  list-style: none;
  margin: 0;
  padding: 0;
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

.page-home .tag-chip {
  padding: 6px 13px;
  border-radius: 999px;
  font-size: 13px;
  line-height: 1.5;
  color: var(--fog);
  border: 1px solid var(--line-strong);
  background: rgba(124, 135, 152, .10);
  transition: border-color .18s var(--ease), background-color .18s var(--ease);
}

.page-home .tag-chip--orange { border-color: rgba(255, 122, 26, .55); background: rgba(255, 122, 26, .10); }
.page-home .tag-chip--green  { border-color: rgba(31, 169, 122, .55); background: rgba(31, 169, 122, .10); }
.page-home .tag-chip--blue   { border-color: rgba(47, 168, 255, .55); background: rgba(47, 168, 255, .10); }
.page-home .tag-chip--violet { border-color: rgba(139, 92, 246, .55); background: rgba(139, 92, 246, .12); }
.page-home .tag-chip--yellow { border-color: rgba(255, 212, 0, .55); background: rgba(255, 212, 0, .10); }

.page-home .tag-chip:hover {
  background: rgba(47, 168, 255, .20);
  border-color: var(--blue);
}

.page-home .tag-note {
  margin: 16px 0 0;
  font-size: 14px;
  line-height: 1.8;
  color: rgba(242, 245, 250, .72);
}

/* ---------- 更新快照 ---------- */
.page-home .home-log {
  padding-block: var(--home-block);
  background: var(--ink-deep);
  border-bottom: 1px solid var(--line);
}

.page-home .log-list {
  display: grid;
  gap: 12px;
  margin-top: clamp(20px, 2.8vw, 34px);
}

.page-home .log-item {
  border: 1px solid var(--line);
  border-left: 3px solid var(--green);
  border-radius: 0 var(--radius-m) var(--radius-m) 0;
  background: var(--panel);
  transition: border-color .2s var(--ease);
}

.page-home .log-item:hover {
  border-color: var(--line-strong);
  border-left-color: var(--green);
}

.page-home .log-item summary {
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  gap: 6px 14px;
  padding: 14px clamp(16px, 2.2vw, 24px);
  cursor: pointer;
  list-style: none;
}

.page-home .log-item summary::-webkit-details-marker {
  display: none;
}

.page-home .log-item summary::after {
  content: "+";
  margin-inline-start: auto;
  font-family: var(--font-mono);
  font-size: 14px;
  color: var(--blue);
}

.page-home .log-item[open] summary::after {
  content: "−";
}

.page-home .log-item summary:focus-visible {
  outline: 2px solid var(--blue);
  outline-offset: -2px;
}

.page-home .log-issue {
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: .08em;
  color: var(--yellow);
}

.page-home .log-subject {
  font-size: clamp(15px, 1.5vw, 17px);
  font-weight: 600;
  color: var(--fog);
}

.page-home .log-date {
  font-family: var(--font-mono);
  font-size: 12px;
  color: var(--mute);
}

.page-home .log-body {
  margin: 0 clamp(16px, 2.2vw, 24px) 20px;
  padding-top: 14px;
  border-top: 1px dashed var(--line);
  display: grid;
  gap: 10px;
  font-size: 14px;
  line-height: 1.8;
  color: rgba(242, 245, 250, .76);
}

.page-home .log-body p {
  margin: 0;
}

.page-home .log-body strong {
  color: var(--green);
  font-weight: 700;
}

.page-home .log-more {
  margin: clamp(20px, 2.6vw, 30px) 0 0;
}

/* ---------- 服务覆盖 ---------- */
.page-home .home-scope {
  padding-block: var(--home-block);
  background: var(--ink);
  border-bottom: 1px solid var(--line);
}

.page-home .scope-grid {
  display: grid;
  gap: clamp(24px, 3.2vw, 46px);
  align-items: start;
}

.page-home .scope-big {
  display: flex;
  align-items: baseline;
  gap: 10px;
  margin: clamp(14px, 2vw, 22px) 0 0;
}

.page-home .scope-num {
  font-family: var(--font-mono);
  font-weight: 700;
  font-size: clamp(46px, 7vw, 76px);
  line-height: 1;
  color: var(--yellow);
  letter-spacing: -.03em;
}

.page-home .scope-unit {
  font-size: clamp(14px, 1.6vw, 17px);
  color: var(--mute);
}

.page-home .scope-text {
  margin: 14px 0 0;
  max-width: 48ch;
  font-size: 15px;
  line-height: 1.85;
  color: rgba(242, 245, 250, .76);
}

.page-home .scope-list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 12px;
}

.page-home .scope-item {
  display: grid;
  grid-template-columns: auto minmax(0, 1fr);
  grid-template-areas:
    "idx name"
    "desc desc";
  gap: 4px 14px;
  padding: 14px 18px 16px;
  border: 1px solid var(--line);
  border-radius: var(--radius-m);
  background: linear-gradient(140deg, rgba(26, 32, 48, .96), rgba(17, 20, 28, .96));
  transition: border-color .2s var(--ease), transform .2s var(--ease);
}

.page-home .scope-item:hover {
  transform: translateY(-2px);
  border-color: var(--blue);
}

.page-home .scope-idx {
  grid-area: idx;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: .12em;
  color: var(--blue);
}

.page-home .scope-name {
  grid-area: name;
  font-family: var(--font-display);
  font-size: 17px;
  font-weight: 700;
  color: var(--fog);
}

.page-home .scope-desc {
  grid-area: desc;
  margin-top: 4px;
  font-size: 14px;
  line-height: 1.8;
  color: rgba(242, 245, 250, .68);
}

/* ---------- 版本演进 ---------- */
.page-home .home-versions {
  padding-block: var(--home-block);
  background: var(--ink-deep);
  border-bottom: 1px solid var(--line);
}

.page-home .versions-visual {
  margin-top: clamp(20px, 2.8vw, 34px);
  position: relative;
}

.page-home .versions-visual::before {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(94deg, rgba(255, 122, 26, .16), rgba(47, 168, 255, .10) 55%, transparent 82%);
  pointer-events: none;
}

.page-home .version-track {
  list-style: none;
  margin: clamp(20px, 3vw, 36px) 0 0;
  padding: 0;
  display: grid;
  gap: 16px;
}

.page-home .version-node {
  position: relative;
  padding: 20px 20px 22px;
  border: 1px solid var(--line);
  border-radius: var(--radius-m);
  background: linear-gradient(160deg, rgba(26, 32, 48, .96), rgba(17, 20, 28, .96));
  transition: border-color .22s var(--ease);
}

.page-home .version-node::before {
  content: "";
  position: absolute;
  top: -6px;
  left: 20px;
  width: 10px;
  height: 10px;
  border-radius: 50%;
  background: var(--yellow);
  box-shadow: 0 0 0 4px rgba(255, 212, 0, .16);
}

.page-home .version-node:hover {
  border-color: var(--line-strong);
}

.page-home .version-node--current {
  border-color: rgba(255, 122, 26, .6);
  box-shadow: 0 0 0 1px rgba(255, 122, 26, .18), 0 22px 46px -30px rgba(255, 122, 26, .9);
}

.page-home .version-node--current::before {
  background: var(--orange);
  box-shadow: 0 0 0 4px rgba(255, 122, 26, .20);
}

.page-home .version-year {
  display: block;
  font-family: var(--font-mono);
  font-size: 22px;
  font-weight: 600;
  letter-spacing: .04em;
  color: var(--orange);
}

.page-home .version-name {
  display: block;
  margin-top: 6px;
  font-family: var(--font-display);
  font-size: 18px;
  font-weight: 800;
  color: var(--fog);
}

.page-home .version-desc {
  margin: 10px 0 0;
  font-size: 14px;
  line-height: 1.8;
  color: rgba(242, 245, 250, .70);
}

.page-home .versions-foot {
  margin: clamp(24px, 3.4vw, 48px) 0 0;
  font-size: 14px;
  line-height: 1.85;
  color: var(--mute);
}

.page-home .versions-foot .cta-link {
  color: var(--blue);
  text-decoration: none;
  border-bottom: 1px solid rgba(47, 168, 255, .45);
  transition: border-color .18s var(--ease);
}

.page-home .versions-foot .cta-link:hover {
  border-bottom-color: var(--blue);
}

/* ---------- 下载与合作入口 ---------- */
.page-home .home-doors {
  padding-block: var(--home-block);
  background: var(--ink);
  border-bottom: 1px solid var(--line);
}

.page-home .door-grid {
  display: grid;
  gap: 16px;
  margin-top: clamp(20px, 2.8vw, 34px);
}

.page-home .door {
  display: block;
  position: relative;
  padding: clamp(20px, 2.6vw, 30px);
  color: inherit;
  text-decoration: none;
  border: 1px solid var(--line);
  border-radius: var(--radius-m);
  background: linear-gradient(150deg, rgba(26, 32, 48, .96), rgba(17, 20, 28, .96));
  overflow: hidden;
  transition: transform .22s var(--ease), border-color .22s var(--ease);
}

.page-home .door::before {
  content: "";
  position: absolute;
  top: -40px;
  right: -60px;
  width: 200px;
  height: 200px;
  border-radius: 50%;
  opacity: .28;
  pointer-events: none;
}

.page-home .door--download::before {
  background: radial-gradient(circle, rgba(255, 122, 26, .85), transparent 68%);
}

.page-home .door--partner::before {
  background: radial-gradient(circle, rgba(31, 169, 122, .85), transparent 68%);
}

.page-home .door:hover {
  transform: translateY(-3px);
}

.page-home .door--download:hover { border-color: var(--orange); }
.page-home .door--partner:hover  { border-color: var(--green); }

.page-home .door-kicker {
  display: inline-block;
  padding: 4px 11px;
  border-radius: 999px;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: .12em;
  color: var(--fog);
  border: 1px solid var(--line-strong);
  background: rgba(124, 135, 152, .12);
}

.page-home .door-title {
  margin: 14px 0 0;
  font-family: var(--font-display);
  font-weight: 800;
  font-size: clamp(19px, 2.4vw, 26px);
  line-height: 1.3;
  color: var(--fog);
}

.page-home .door-text {
  margin: 12px 0 0;
  font-size: 14px;
  line-height: 1.85;
  color: rgba(242, 245, 250, .74);
}

.page-home .door-go {
  display: inline-block;
  margin-top: 18px;
  font-family: var(--font-mono);
  font-size: 13px;
  letter-spacing: .06em;
  color: var(--blue);
}

.page-home .door--download .door-go { color: var(--orange); }
.page-home .door--partner  .door-go { color: var(--green); }

/* ---------- 页尾氛围图 ---------- */
.page-home .home-outro {
  padding-block: clamp(28px, 4vw, 56px);
  background: var(--ink-deep);
}

.page-home .outro-visual {
  position: relative;
}

.page-home .outro-visual::after {
  content: "";
  position: absolute;
  inset: 0;
  background:
    radial-gradient(ellipse at 22% 100%, rgba(255, 122, 26, .22), transparent 58%),
    radial-gradient(ellipse at 82% 0%, rgba(139, 92, 246, .20), transparent 62%);
  pointer-events: none;
}

/* ================= 响应式 ================= */
@media (min-width: 700px) {
  .page-home .band-row {
    grid-template-columns: 60px minmax(0, 150px) minmax(0, 1fr);
    grid-template-areas:
      "idx name count"
      "idx tags tags";
    gap: 6px 20px;
    padding-block: 16px;
  }
}

@media (min-width: 880px) {
  .page-home .home-top__grid {
    grid-template-columns: minmax(0, 1.02fr) minmax(0, .98fr);
  }

  .page-home .tags-grid {
    grid-template-columns: minmax(0, 1.26fr) minmax(0, .74fr);
  }

  .page-home .scope-grid {
    grid-template-columns: minmax(0, .88fr) minmax(0, 1.12fr);
  }

  .page-home .door-grid {
    grid-template-columns: minmax(0, 3fr) minmax(0, 2fr);
  }

  .page-home .band-row {
    grid-template-columns: 68px minmax(0, 170px) minmax(0, 128px) minmax(0, 1fr);
    grid-template-areas: "idx name count tags";
    margin-inline-start: var(--band-shift);
    width: calc(100% - var(--band-shift));
  }

  .page-home .band-row:nth-child(1) { --band-shift: 0px; }
  .page-home .band-row:nth-child(2) { --band-shift: 18px; }
  .page-home .band-row:nth-child(3) { --band-shift: 36px; }
  .page-home .band-row:nth-child(4) { --band-shift: 54px; }
  .page-home .band-row:nth-child(5) { --band-shift: 72px; }
  .page-home .band-row:nth-child(6) { --band-shift: 90px; }

  .page-home .band-count {
    font-size: 12px;
  }

  .page-home .version-track {
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 24px;
    align-items: start;
  }

  .page-home .version-node:nth-child(1) { margin-top: 0; }
  .page-home .version-node:nth-child(2) { margin-top: 30px; }
  .page-home .version-node:nth-child(3) { margin-top: 60px; }

  .page-home .scope-list {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

@media (min-width: 1120px) {
  .page-home .band-row {
    --band-shift: 0px;
    width: 100%;
  }

  .page-home .band-row:nth-child(1) { --band-shift: 0px; }
  .page-home .band-row:nth-child(2) { --band-shift: 22px; }
  .page-home .band-row:nth-child(3) { --band-shift: 44px; }
  .page-home .band-row:nth-child(4) { --band-shift: 66px; }
  .page-home .band-row:nth-child(5) { --band-shift: 88px; }
  .page-home .band-row:nth-child(6) { --band-shift: 110px; }

  .page-home .band-row {
    width: calc(100% - var(--band-shift));
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-home .band-row,
  .page-home .scope-item,
  .page-home .door,
  .page-home .version-node,
  .page-home .tag-chip,
  .page-home .log-item {
    transition: none;
  }

  .page-home .band-row:hover,
  .page-home .scope-item:hover,
  .page-home .door:hover {
    transform: none;
  }
}