.page-home {
  --home-hair: 2px;
}

/* ---------- 面包屑 ---------- */
.page-home .home-crumbs {
  padding-top: clamp(14px, 2.6vw, 26px);
}
.page-home .crumbs-list {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin: 0;
  padding: 0;
  list-style: none;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: .05em;
  color: var(--text-dim);
}
.page-home .crumbs-list li + li::before {
  content: "/";
  margin-right: 8px;
  color: var(--line);
}
.page-home .crumbs-list a {
  color: var(--text-dim);
  text-decoration: none;
}
.page-home .crumbs-list a:hover {
  color: var(--cyan);
}
.page-home .crumbs-list [aria-current="page"] {
  color: var(--lemon);
}

/* ---------- 首屏封面 ---------- */
.page-home .home-hero {
  padding: clamp(26px, 5vw, 60px) 0 clamp(34px, 6vw, 82px);
}
.page-home .hero-grid {
  display: grid;
  gap: clamp(22px, 4vw, 42px);
}
.page-home .hero-rail {
  display: none;
}
.page-home .hero-title {
  margin: 14px 0 0;
  font-family: var(--font-display);
  font-weight: 800;
  font-size: clamp(29px, 6.2vw, 52px);
  line-height: 1.12;
  letter-spacing: .02em;
  color: var(--text);
}
.page-home .hero-title-em {
  display: block;
  color: var(--cyan);
}
.page-home .hero-lede {
  margin: 18px 0 0;
  max-width: 48ch;
  font-size: clamp(15px, 1.6vw, 17px);
  line-height: 1.75;
  color: var(--text-dim);
}
.page-home .hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 26px;
}
.page-home .hero-anchor {
  display: inline-flex;
  flex-direction: column;
  gap: 4px;
  margin-top: 26px;
  padding: 12px 18px;
  border: 2px solid var(--line);
  border-left: 5px solid var(--cyan);
  background: var(--ink-800);
  text-decoration: none;
  transition: border-color .18s ease, transform .18s ease;
}
.page-home .hero-anchor:hover {
  border-color: var(--cyan);
  border-left-color: var(--cyan);
  transform: translateX(3px);
}
.page-home .hero-anchor-k {
  font-size: 11px;
  letter-spacing: .16em;
  color: var(--cyan);
}
.page-home .hero-anchor-v {
  font-size: 14px;
  color: var(--text);
}

.page-home .hero-visual {
  position: relative;
}
.page-home .hero-visual-img {
  display: block;
  width: 100%;
  height: auto;
  border: var(--home-hair) solid var(--line);
}
.page-home .hero-cards {
  display: grid;
  gap: 10px;
  margin-top: 14px;
}
.page-home .hero-card {
  display: grid;
  gap: 3px;
  padding: 14px 16px;
  text-decoration: none;
}
.page-home .hero-card-k {
  font-size: 11px;
  letter-spacing: .16em;
  color: var(--violet);
}
.page-home .hero-card-t {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 16px;
  color: var(--text);
}
.page-home .hero-card-d {
  font-size: 12.5px;
  line-height: 1.55;
  color: var(--text-dim);
}

/* ---------- 标签索引带 ---------- */
.page-home .home-band {
  overflow: hidden;
}
.page-home .home-band-inner {
  position: relative;
}
.page-home .home-band-inner > *:not(.band-tex) {
  position: relative;
  z-index: 1;
}
.page-home .band-tex {
  position: absolute;
  top: -6%;
  right: -8%;
  width: min(300px, 42vw);
  height: auto;
  opacity: .14;
  pointer-events: none;
  z-index: 0;
}
.page-home .filter-bar {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin: 26px 0 20px;
}
.page-home .filter-input {
  position: absolute;
  width: 1px;
  height: 1px;
  opacity: 0;
  pointer-events: none;
}
.page-home .filter-btn {
  display: inline-flex;
  align-items: center;
  padding: 7px 16px;
  border: var(--home-hair) solid var(--line);
  background: transparent;
  font-family: var(--font-mono);
  font-size: 13px;
  letter-spacing: .06em;
  color: var(--text-dim);
  cursor: pointer;
  transition: color .15s ease, border-color .15s ease, background .15s ease;
}
.page-home .filter-btn:hover {
  color: var(--text);
  border-color: var(--cyan);
}
.page-home .filter-input:checked + .filter-btn {
  background: var(--cyan);
  border-color: var(--cyan);
  color: var(--ink-900);
}
.page-home .filter-input:focus-visible + .filter-btn {
  outline: 2px solid var(--lemon);
  outline-offset: 2px;
}
.page-home .tag-wall {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin: 0;
  padding: 0;
  list-style: none;
}
.page-home .tag-chip {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 8px 14px;
  border: var(--home-hair) solid var(--line);
  background: var(--ink-800);
  font-family: var(--font-mono);
  font-size: 13px;
  letter-spacing: .04em;
  color: var(--text);
  transition: border-color .15s ease, transform .15s ease;
}
.page-home .tag-chip:hover {
  border-color: var(--cyan);
  transform: translateY(-2px);
}
.page-home .tag-chip .mono {
  font-size: 10.5px;
  letter-spacing: .14em;
  color: var(--text-dim);
}
.page-home .tag-chip[data-dim="line"] {
  border-left-width: 5px;
  border-left-color: var(--cyan);
}
.page-home .tag-chip[data-dim="scene"] {
  border-left-width: 5px;
  border-left-color: var(--violet);
}
.page-home .tag-chip[data-dim="device"] {
  border-left-width: 5px;
  border-left-color: var(--orange);
}
.page-home .home-band:has(#dim-line:checked) .tag-chip:not([data-dim="line"]),
.page-home .home-band:has(#dim-scene:checked) .tag-chip:not([data-dim="scene"]),
.page-home .home-band:has(#dim-device:checked) .tag-chip:not([data-dim="device"]) {
  display: none;
}

/* ---------- 产品线 ---------- */
.page-home .lines-figure {
  margin: 0 0 30px;
}
.page-home .lines-figure img {
  display: block;
  width: 100%;
  height: auto;
  border: var(--home-hair) solid var(--line);
}
.page-home .lines-figure .figure-cap {
  margin-top: 10px;
}
.page-home .line-list {
  list-style: none;
  margin: 0;
  padding: 0;
}
.page-home .line-item {
  display: grid;
  gap: 8px;
  padding: 26px 0;
  border-top: var(--home-hair) solid var(--line);
}
.page-home .line-item:last-child {
  border-bottom: var(--home-hair) solid var(--line);
}
.page-home .line-no {
  font-family: var(--font-editorial);
  font-size: 27px;
  line-height: 1;
  color: var(--violet);
}
.page-home .line-body {
  border-left: var(--home-hair) solid var(--line);
  padding-left: 16px;
}
.page-home .line-item:nth-child(1) .line-body { border-left-color: var(--cyan); }
.page-home .line-item:nth-child(2) .line-body { border-left-color: var(--violet); }
.page-home .line-item:nth-child(3) .line-body { border-left-color: var(--lemon); }
.page-home .line-item:nth-child(4) .line-body { border-left-color: var(--orange); }
.page-home .line-item:nth-child(5) .line-body { border-left-color: var(--cyan); }
.page-home .line-body h3 {
  margin: 0 0 8px;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 18.5px;
  line-height: 1.35;
  color: var(--text);
}
.page-home .line-body p {
  margin: 0 0 16px;
  font-size: 15px;
  line-height: 1.72;
  color: var(--text-dim);
}

/* ---------- 右侧目录 ---------- */
.page-home .home-aside {
  margin-top: 36px;
}
.page-home .home-toc {
  border: var(--home-hair) solid var(--line);
  background: var(--ink-800);
  padding: 18px;
}
.page-home .home-toc .toc-title {
  margin: 0 0 14px;
  font-size: 11px;
  letter-spacing: .18em;
  color: var(--text-dim);
}
.page-home .home-toc ul {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 4px;
}

/* ---------- 焕新版与登录对照 ---------- */
.page-home .docs-split {
  display: grid;
  gap: 22px;
}
.page-home .docs-figure {
  margin: 0;
}
.page-home .docs-img {
  display: block;
  width: 100%;
  height: auto;
  border: var(--home-hair) solid var(--line);
}
.page-home .docs-figure .figure-cap {
  margin-top: 10px;
}
.page-home .docs-panels {
  display: grid;
  gap: 14px;
  align-content: start;
}
.page-home .docs-panel {
  padding: 20px;
}
.page-home .docs-k {
  margin: 0 0 8px;
  font-size: 11px;
  letter-spacing: .18em;
  color: var(--cyan);
}
.page-home .docs-panel h3 {
  margin: 0 0 10px;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 18px;
  line-height: 1.35;
  color: var(--text);
}
.page-home .docs-panel p {
  margin: 0;
  font-size: 14.5px;
  line-height: 1.72;
  color: var(--text-dim);
}

/* ---------- 反馈与咨询 ---------- */
.page-home .feedback-grid {
  display: grid;
  gap: 28px;
}
.page-home .feedback-side {
  display: grid;
  gap: 12px;
  align-content: start;
}
.page-home .contact-block {
  padding: 16px 18px;
  border: var(--home-hair) solid var(--line);
  border-left: 5px solid var(--orange);
  background: var(--ink-700);
}
.page-home .contact-k {
  margin: 0 0 6px;
  font-size: 11px;
  letter-spacing: .16em;
  color: var(--text-dim);
}
.page-home .contact-v {
  margin: 0 0 12px;
  font-family: var(--font-mono);
  font-size: 14px;
  color: var(--text);
  word-break: break-all;
}
.page-home .feedback-note {
  margin: 4px 0 0;
  font-size: 13px;
  line-height: 1.72;
  color: var(--text-dim);
}

/* ---------- 版本节奏 ---------- */
.page-home .home-rhythm {
  padding-bottom: clamp(48px, 8vw, 96px);
}
.page-home .rhythm-strip {
  display: grid;
  gap: 16px;
  padding: 24px;
  border: var(--home-hair) solid var(--line);
  border-left: 6px solid var(--lemon);
  background: var(--ink-800);
}
.page-home .rhythm-figure {
  margin: 0;
  font-family: var(--font-editorial);
  font-size: 44px;
  line-height: 1;
  color: var(--lemon);
}
.page-home .rhythm-text {
  margin: 0;
  font-size: 14.5px;
  line-height: 1.75;
  color: var(--text-dim);
}
.page-home .rhythm-link {
  font-size: 13px;
  color: var(--cyan);
  text-decoration: none;
  white-space: nowrap;
}
.page-home .rhythm-link:hover {
  text-decoration: underline;
}

/* ---------- 响应式 ---------- */
@media (min-width: 700px) {
  .page-home .hero-cards {
    position: relative;
    z-index: 2;
    margin-top: -58px;
    margin-right: clamp(0px, 8vw, 92px);
  }
  .page-home .line-item {
    grid-template-columns: 76px minmax(0, 1fr);
    gap: 22px;
    align-items: start;
    padding: 30px 0;
  }
  .page-home .rhythm-strip {
    grid-template-columns: auto minmax(0, 1fr) auto;
    align-items: center;
    gap: 28px;
  }
}

@media (min-width: 900px) {
  .page-home .docs-split {
    grid-template-columns: minmax(0, 5fr) minmax(0, 6fr);
    gap: 32px;
    align-items: start;
  }
  .page-home .feedback-grid {
    grid-template-columns: minmax(0, 7fr) minmax(0, 4fr);
    gap: 42px;
    align-items: start;
  }
}

@media (min-width: 980px) {
  .page-home .hero-grid {
    grid-template-columns: 46px minmax(0, 6fr) minmax(0, 5fr);
    column-gap: clamp(24px, 3vw, 48px);
    align-items: start;
  }
  .page-home .hero-rail {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 14px;
    min-height: 340px;
  }
  .page-home .hero-rail-num,
  .page-home .hero-rail-tag {
    writing-mode: vertical-rl;
    font-size: 12px;
    letter-spacing: .24em;
    color: var(--text-dim);
  }
  .page-home .hero-rail-line {
    flex: 1 1 auto;
    width: 2px;
    min-height: 64px;
    background: linear-gradient(180deg, var(--cyan), transparent);
  }
  .page-home .home-aside {
    margin-top: 0;
    position: sticky;
    top: calc(var(--nav-h) + 24px);
  }
}

@media (min-width: 1180px) {
  .page-home .hero-cards {
    margin-right: clamp(0px, 10vw, 120px);
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-home .hero-anchor,
  .page-home .tag-chip,
  .page-home .filter-btn {
    transition: none;
  }
  .page-home .tag-chip:hover {
    transform: none;
  }
}