/* ============ 首页 ============ */
.page-home {
  --home-gap: clamp(20px, 3.2vw, 40px);
  --home-sec: clamp(46px, 7vw, 92px);
}

/* ---------- 首屏框景 ---------- */
.page-home .home-hero {
  padding: clamp(16px, 3vw, 40px) 0 clamp(30px, 5vw, 64px);
}

.page-home .home-hero__frame {
  position: relative;
  overflow: hidden;
  isolation: isolate;
  border: var(--edge) solid var(--violet);
  border-radius: var(--radius);
  background: linear-gradient(145deg, var(--violet-deep) 0%, var(--ink-2) 46%, var(--ink) 100%);
  box-shadow: var(--shadow-hard);
  padding: clamp(22px, 4vw, 54px);
}

.page-home .home-hero__frame::before,
.page-home .home-hero__frame::after {
  content: "";
  position: absolute;
  width: 26px;
  height: 26px;
  border: 2px solid var(--lime);
  pointer-events: none;
  z-index: 4;
}
.page-home .home-hero__frame::before {
  top: 12px;
  left: 12px;
  border-right: 0;
  border-bottom: 0;
}
.page-home .home-hero__frame::after {
  right: 12px;
  bottom: 12px;
  border-left: 0;
  border-top: 0;
}

.page-home .home-hero__bg {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  opacity: 0.5;
  z-index: 0;
  pointer-events: none;
}

.page-home .home-hero__scrim {
  position: absolute;
  inset: 0;
  z-index: 1;
  background: linear-gradient(102deg, rgba(7, 7, 12, 0.94) 0%, rgba(17, 18, 31, 0.78) 45%, rgba(43, 26, 140, 0.42) 100%);
  pointer-events: none;
}

.page-home .home-hero__stamp {
  display: none;
}

.page-home .home-hero__grid {
  position: relative;
  z-index: 2;
  display: grid;
  gap: clamp(26px, 4vw, 48px);
  align-items: start;
}

.page-home .home-hero__title {
  margin: 16px 0 20px;
  font-family: var(--font-display);
  font-size: clamp(2rem, 6.4vw, 4.4rem);
  line-height: 1.03;
  letter-spacing: -0.02em;
  color: var(--paper);
}
.page-home .home-hero__title em {
  font-style: normal;
  color: var(--lime);
}

.page-home .home-hero__lede {
  margin: 0 0 28px;
  max-width: 40ch;
  font-size: clamp(1rem, 1.1vw, 1.0625rem);
  line-height: 1.8;
  color: var(--muted);
}

.page-home .home-hero__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
}

.page-home .home-hero__aside {
  position: relative;
  z-index: 2;
  padding-top: 18px;
  border-top: 2px solid rgba(139, 77, 255, 0.55);
}

.page-home .home-hero__aside-title {
  margin: 0 0 14px;
  font-family: var(--font-mono);
  font-size: 0.75rem;
  font-weight: 500;
  letter-spacing: 0.16em;
  color: var(--cyan);
}

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

.page-home .home-tagwall .tag-pill {
  font-size: 0.8125rem;
  padding: 5px 11px;
}

.page-home .home-hero__aside-note {
  margin: 16px 0 0;
  font-size: 0.8125rem;
  line-height: 1.7;
  color: var(--muted);
}

/* ---------- 分类标签墙 ---------- */
.page-home .home-taxonomy {
  padding: var(--home-sec) 0;
  border-top: 1px solid var(--line-soft);
}

.page-home .home-taxonomy__banner {
  margin: 0 0 clamp(26px, 4vw, 46px);
}

.page-home .home-taxonomy__grid {
  display: grid;
  gap: clamp(24px, 3.6vw, 48px);
}

.page-home .home-taxonomy__intro h2 {
  margin: 14px 0 14px;
  font-size: clamp(1.6rem, 2.9vw, 2.5rem);
  line-height: 1.2;
  letter-spacing: -0.01em;
  color: var(--paper);
}

.page-home .home-taxonomy__intro p {
  margin: 0 0 22px;
  font-size: 1rem;
  line-height: 1.8;
  color: var(--muted);
}

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

.page-home .home-taxonomy__item {
  display: grid;
  grid-template-columns: 38px minmax(0, 1fr);
  align-items: baseline;
  gap: 0 14px;
  padding: 13px 0;
  border-bottom: 1px solid var(--line-soft);
}
.page-home .home-taxonomy__item:first-child {
  border-top: 1px solid var(--line-soft);
}

.page-home .home-taxonomy__no {
  grid-row: 1;
  font-family: var(--font-mono);
  font-size: 0.75rem;
  color: var(--violet);
}

.page-home .home-taxonomy__name {
  grid-row: 1;
  font-size: 1.0625rem;
  font-weight: 700;
  color: var(--paper);
  text-decoration: none;
  transition: color 140ms var(--ease-out);
}
.page-home .home-taxonomy__name:hover,
.page-home .home-taxonomy__name:focus-visible {
  color: var(--lime);
}

.page-home .home-taxonomy__desc {
  grid-column: 2;
  margin-top: 3px;
  font-size: 0.8125rem;
  line-height: 1.6;
  color: var(--muted);
}

/* ---------- 更新带 ---------- */
.page-home .home-band {
  padding: clamp(38px, 5.5vw, 72px) 0;
  background: var(--ink-2);
  border-top: var(--edge) solid var(--ink-3);
  border-bottom: var(--edge) solid var(--ink-3);
}

.page-home .home-band__head {
  display: grid;
  gap: clamp(22px, 3.4vw, 40px);
  align-items: center;
}

.page-home .home-band__intro h2 {
  margin: 14px 0 14px;
  font-size: clamp(1.55rem, 2.8vw, 2.4rem);
  line-height: 1.2;
  letter-spacing: -0.01em;
  color: var(--paper);
}

.page-home .home-band__intro p {
  margin: 0;
  font-size: 0.9375rem;
  line-height: 1.8;
  color: var(--muted);
}

.page-home .home-band__figure {
  margin: 0;
}

.page-home .home-band__rail {
  margin-top: clamp(26px, 3.4vw, 40px);
  padding: 10px var(--gutter) 20px;
  overflow-x: auto;
  overflow-y: hidden;
  scroll-snap-type: x mandatory;
  scroll-padding-inline: var(--gutter);
  scrollbar-width: thin;
  scrollbar-color: var(--violet) transparent;
  -webkit-overflow-scrolling: touch;
}

.page-home .home-band__list {
  display: flex;
  gap: 16px;
  margin: 0;
  padding: 0;
  list-style: none;
}

.page-home .home-band__item {
  flex: 0 0 auto;
  width: min(76vw, 292px);
  scroll-snap-align: start;
}

.page-home .home-band__card {
  display: flex;
  flex-direction: column;
  gap: 10px;
  height: 100%;
  padding: 22px 20px;
  background: var(--ink);
  border: var(--edge) solid var(--ink-3);
  border-radius: var(--radius);
  text-decoration: none;
  transition: transform 220ms var(--ease-out), box-shadow 220ms var(--ease-out), border-color 220ms var(--ease-out);
}
.page-home .home-band__card:hover,
.page-home .home-band__card:focus-visible {
  transform: translateY(-4px);
  border-color: var(--violet);
  box-shadow: var(--shadow-hard-sm);
}

.page-home .home-band__tag {
  align-self: flex-start;
  padding: 2px 10px;
  font-family: var(--font-mono);
  font-size: 0.6875rem;
  letter-spacing: 0.08em;
  color: var(--cyan);
  border: 1px solid var(--cyan);
  border-radius: 999px;
}

.page-home .home-band__title {
  font-size: 1rem;
  font-weight: 700;
  line-height: 1.5;
  color: var(--paper);
}

.page-home .home-band__desc {
  font-size: 0.875rem;
  line-height: 1.7;
  color: var(--muted);
}

/* ---------- 案例资料 ---------- */
.page-home .home-cases {
  padding: var(--home-sec) 0;
}

.page-home .home-cases__grid {
  display: grid;
  gap: clamp(26px, 4vw, 52px);
  align-items: center;
}

.page-home .home-cases__copy h2 {
  margin: 14px 0 16px;
  font-size: clamp(1.6rem, 2.9vw, 2.5rem);
  line-height: 1.2;
  letter-spacing: -0.01em;
  color: var(--paper);
}

.page-home .home-cases__copy p {
  margin: 0;
  font-size: 1rem;
  line-height: 1.85;
  color: var(--muted);
}

.page-home .home-cases__list {
  display: grid;
  gap: 11px;
  margin: 24px 0 28px;
  padding: 0;
  list-style: none;
}

.page-home .home-cases__list li {
  position: relative;
  padding-left: 22px;
  font-size: 0.9375rem;
  line-height: 1.7;
  color: var(--paper);
}

.page-home .home-cases__list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.66em;
  width: 11px;
  height: 2px;
  background: var(--lime);
}

.page-home .home-cases__figure {
  margin: 0;
}

/* ---------- 首次访问指引 ---------- */
.page-home .home-start {
  padding: var(--home-sec) 0;
  border-top: 1px solid var(--line-soft);
}

.page-home .home-start__steps {
  display: grid;
  gap: 0;
  margin: clamp(26px, 3.6vw, 42px) 0 0;
  padding: 0;
  list-style: none;
}

.page-home .home-start__step {
  display: grid;
  grid-template-columns: 46px minmax(0, 1fr);
  gap: 0 16px;
  padding: 24px 0;
  border-top: 1px solid var(--line-soft);
}
.page-home .home-start__step:last-child {
  border-bottom: 1px solid var(--line-soft);
}

.page-home .home-start__num {
  font-family: var(--font-mono);
  font-size: 0.875rem;
  letter-spacing: 0.12em;
  color: var(--lime);
  padding-top: 3px;
}

.page-home .home-start__heading {
  margin: 0 0 10px;
  font-size: clamp(1.05rem, 1.6vw, 1.3rem);
  line-height: 1.45;
  color: var(--paper);
}

.page-home .home-start__body p {
  margin: 0;
  max-width: 60ch;
  font-size: 0.9375rem;
  line-height: 1.8;
  color: var(--muted);
}

.page-home .home-start__link {
  display: inline-block;
  margin-top: 12px;
  font-size: 0.875rem;
  color: var(--lime);
  text-decoration: none;
  border-bottom: 1px solid currentColor;
  padding-bottom: 2px;
}
.page-home .home-start__link:hover,
.page-home .home-start__link:focus-visible {
  color: var(--paper);
}

/* ---------- 数据概览条 ---------- */
.page-home .home-metrics {
  padding: clamp(32px, 4.6vw, 58px) 0;
  background: linear-gradient(104deg, var(--violet-deep) 0%, var(--ink-2) 62%, var(--ink) 100%);
  border-top: var(--edge) solid var(--violet);
  border-bottom: var(--edge) solid var(--violet);
}

.page-home .home-metrics__grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 24px clamp(18px, 3vw, 40px);
  margin: 0;
}

.page-home .home-metrics__item {
  display: flex;
  flex-direction: column-reverse;
  gap: 8px;
}

.page-home .home-metrics__num {
  margin: 0;
  font-family: var(--font-mono);
  font-size: clamp(1.5rem, 3.2vw, 2.4rem);
  font-weight: 700;
  line-height: 1.1;
  letter-spacing: -0.02em;
  color: var(--lime);
}

.page-home .home-metrics__label {
  font-size: 0.8125rem;
  line-height: 1.65;
  color: var(--muted);
}

/* ---------- 栏目入口 ---------- */
.page-home .home-routes {
  padding: var(--home-sec) 0 clamp(52px, 8vw, 104px);
}

.page-home .home-routes__grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 16px;
  margin-top: clamp(26px, 3.6vw, 42px);
}

.page-home .home-routes__card {
  display: flex;
  flex-direction: column;
  gap: 8px;
  padding: 24px 20px;
  background: var(--ink-2);
  border: var(--edge) solid var(--ink-3);
  border-radius: var(--radius);
  text-decoration: none;
  transition: transform 220ms var(--ease-out), box-shadow 220ms var(--ease-out), border-color 220ms var(--ease-out);
}
.page-home .home-routes__card:hover,
.page-home .home-routes__card:focus-visible {
  transform: translateY(-4px);
  border-color: var(--lime);
  box-shadow: var(--shadow-hard-sm);
}

.page-home .home-routes__no {
  font-family: var(--font-mono);
  font-size: 0.75rem;
  letter-spacing: 0.16em;
  color: var(--violet);
}

.page-home .home-routes__name {
  font-size: 1.0625rem;
  font-weight: 700;
  color: var(--paper);
}

.page-home .home-routes__desc {
  font-size: 0.875rem;
  line-height: 1.7;
  color: var(--muted);
}

/* ---------- 平板与桌面 ---------- */
@media (min-width: 720px) {
  .page-home .home-taxonomy__list {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    column-gap: 34px;
  }
  .page-home .home-routes__grid {
    grid-template-columns: repeat(auto-fit, minmax(212px, 1fr));
  }
}

@media (min-width: 900px) {
  .page-home .home-band__head {
    grid-template-columns: minmax(0, 5fr) minmax(0, 7fr);
  }
  .page-home .home-cases__grid {
    grid-template-columns: minmax(0, 7fr) minmax(0, 5fr);
  }
  .page-home .home-taxonomy__grid {
    grid-template-columns: minmax(0, 4fr) minmax(0, 8fr);
  }
  .page-home .home-metrics__grid {
    grid-template-columns: repeat(4, minmax(0, 1fr));
  }
}

@media (min-width: 1000px) {
  .page-home .home-hero__grid {
    grid-template-columns: minmax(0, 7.2fr) minmax(0, 4.8fr);
  }
  .page-home .home-hero__stamp {
    display: block;
    position: absolute;
    top: clamp(22px, 4vw, 54px);
    right: clamp(22px, 4vw, 54px);
    z-index: 4;
    font-family: var(--font-mono);
    font-size: 0.75rem;
    letter-spacing: 0.2em;
    color: var(--violet);
  }
  .page-home .home-hero__lead h1 {
    max-width: 15ch;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-home .home-band__card,
  .page-home .home-routes__card,
  .page-home .home-taxonomy__name {
    transition: none;
  }
  .page-home .home-band__card:hover,
  .page-home .home-routes__card:hover {
    transform: none;
  }
}