.page-home {
  position: relative;
  isolation: isolate;
  overflow-x: clip;
  background-color: var(--void);
  padding-bottom: clamp(3rem, 7vw, 6rem);
}

.page-home::before {
  content: "";
  position: absolute;
  inset: 0;
  z-index: 0;
  pointer-events: none;
  background-image:
    repeating-linear-gradient(to right, rgba(16, 42, 76, .34) 0 1px, transparent 1px 72px),
    repeating-linear-gradient(to bottom, rgba(16, 42, 76, .34) 0 1px, transparent 1px 72px),
    repeating-linear-gradient(112deg, rgba(35, 240, 208, .055) 0 1px, transparent 1px 168px);
  background-position: center top;
}

.page-home > * {
  position: relative;
  z-index: 1;
}

.page-home .container {
  width: 100%;
  max-width: var(--shell);
  margin-inline: auto;
  padding-inline: var(--gutter);
}

.page-home .mono {
  font-family: var(--font-mono);
  font-variant-numeric: tabular-nums;
}

/* ---------- 面包屑 ---------- */

.page-home .home-crumb {
  display: flex;
  align-items: center;
  gap: .5rem;
  padding-top: clamp(1.25rem, 3vw, 2rem);
  font-family: var(--font-mono);
  font-size: .74rem;
  letter-spacing: .07em;
  color: var(--muted);
}

.page-home .home-crumb__now {
  color: var(--cyan);
}

.page-home .home-crumb__sep {
  color: var(--steel);
}

/* ---------- 首屏 Bento 拼贴 ---------- */

.page-home .home-hero {
  padding-top: clamp(1.25rem, 3vw, 2.25rem);
}

.page-home .hero-grid {
  display: grid;
  grid-template-columns: minmax(0, 5fr) minmax(0, 7fr);
  gap: var(--gap);
}

.page-home .hero-focus {
  position: relative;
  display: flex;
  flex-direction: column;
  gap: clamp(.85rem, 1.4vw, 1.25rem);
  padding: clamp(1.25rem, 2.2vw, 2rem);
  border: 1px solid var(--grid);
  background:
    radial-gradient(130% 85% at 0% 0%, var(--cyan-a16), transparent 62%),
    var(--console);
}

.page-home .hero-focus::after {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  width: 64px;
  height: 3px;
  background: var(--cyan);
}

.page-home .hero-focus__ver {
  align-self: flex-start;
  padding: .28rem .65rem;
  border: 1px solid var(--cyan-a34);
  background: var(--cyan-a08);
  color: var(--cyan);
  font-size: .8rem;
  font-weight: 600;
  letter-spacing: .14em;
}

.page-home .hero-focus__title {
  margin: 0;
  font-family: var(--font-display);
  font-size: clamp(1.65rem, 3.4vw, 2.85rem);
  font-weight: 900;
  line-height: 1.12;
  letter-spacing: -.02em;
  color: var(--ink);
}

.page-home .hero-focus__lead {
  margin: 0;
  max-width: 34ch;
  font-size: clamp(.95rem, 1.05vw, 1.05rem);
  line-height: 1.75;
  color: var(--body-ink);
}

.page-home .hero-focus__figure {
  margin: clamp(.5rem, 1.5vw, 1rem) 0 0;
  border: 1px solid var(--grid);
  background: #04091a;
}

.page-home .hero-focus__figure img {
  display: block;
  width: 100%;
  height: auto;
  aspect-ratio: 4 / 3;
  object-fit: cover;
}

.page-home .hero-side {
  display: grid;
  grid-template-rows: auto minmax(0, 1fr);
  gap: var(--gap);
}

.page-home .hero-strip {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 1rem clamp(1rem, 2vw, 2rem);
  padding: clamp(1rem, 1.8vw, 1.5rem);
  border: 1px solid var(--grid);
  border-left: 3px solid var(--cyan);
  background: var(--console);
}

.page-home .hero-strip__text {
  flex: 1 1 24ch;
  margin: 0;
  max-width: 48ch;
  font-size: .95rem;
  line-height: 1.72;
  color: var(--body-ink);
}

.page-home .hero-quad {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: var(--gap);
}

.page-home .hero-mini {
  display: flex;
  flex-direction: column;
  gap: .3rem;
  padding: clamp(.9rem, 1.5vw, 1.25rem);
  border: 1px solid var(--grid);
  background: rgba(10, 23, 48, .72);
  transition: border-color .18s ease, background-color .18s ease;
}

.page-home .hero-mini:hover {
  border-color: var(--cyan-a34);
  background: var(--cyan-a08);
}

.page-home .hero-mini__num {
  font-size: clamp(1.1rem, 1.9vw, 1.6rem);
  font-weight: 700;
  letter-spacing: .04em;
  color: var(--cyan);
}

.page-home .hero-mini__label {
  font-size: .95rem;
  font-weight: 600;
  color: var(--ink);
}

.page-home .hero-mini__note {
  font-size: .79rem;
  line-height: 1.6;
  color: var(--muted);
}

/* ---------- 通用按钮 ---------- */

.page-home .home-cta {
  display: inline-flex;
  align-items: center;
  gap: .45rem;
  padding: .7rem 1.15rem;
  border: 1px solid var(--cyan);
  background: var(--cyan-a08);
  color: var(--cyan);
  font-size: .9rem;
  font-weight: 600;
  letter-spacing: .02em;
  text-decoration: none;
  white-space: nowrap;
  transition: background-color .18s ease, color .18s ease, border-color .18s ease;
}

.page-home .home-cta::after {
  content: "→";
  font-family: var(--font-mono);
  font-size: .95em;
}

.page-home .home-cta:hover,
.page-home .home-cta:focus-visible {
  background: var(--cyan);
  color: var(--void);
}

.page-home .home-cta--ghost {
  border-color: var(--grid);
  background: transparent;
  color: var(--ink);
}

.page-home .home-cta--ghost::after {
  content: none;
}

.page-home .home-cta--ghost:hover,
.page-home .home-cta--ghost:focus-visible {
  border-color: var(--cyan);
  background: var(--cyan-a08);
  color: var(--cyan);
}

/* ---------- 章节骨架 ---------- */

.page-home .home-section {
  margin-top: clamp(3rem, 6.5vw, 6rem);
}

.page-home .sec-head {
  display: grid;
  grid-template-columns: auto minmax(0, 1fr);
  gap: .4rem clamp(1rem, 2.5vw, 2rem);
  align-items: start;
  padding-bottom: clamp(1.25rem, 2.5vw, 2rem);
  border-bottom: 1px solid var(--grid);
  margin-bottom: clamp(1.5rem, 3vw, 2.5rem);
}

.page-home .sec-num {
  grid-row: 1 / span 2;
  align-self: start;
  font-size: clamp(2.1rem, 5vw, 3.8rem);
  font-weight: 800;
  line-height: .86;
  letter-spacing: -.04em;
  color: rgba(35, 240, 208, .16);
  -webkit-text-stroke: 1px var(--cyan-a34);
}

.page-home .sec-title {
  margin: 0;
  font-family: var(--font-display);
  font-size: clamp(1.4rem, 2.8vw, 2.1rem);
  font-weight: 800;
  line-height: 1.22;
  letter-spacing: -.01em;
  color: var(--ink);
}

.page-home .sec-lead {
  margin: 0;
  max-width: 64ch;
  font-size: clamp(.93rem, 1.05vw, 1.02rem);
  line-height: 1.75;
  color: var(--body-ink);
}

/* ---------- 01 分类标签 ---------- */

.page-home .tag-filter {
  display: flex;
  flex-wrap: wrap;
  gap: .5rem;
  margin-bottom: clamp(1rem, 2vw, 1.5rem);
}

.page-home .tag-pill {
  padding: .5rem .95rem;
  border: 1px solid var(--grid);
  background: transparent;
  color: var(--body-ink);
  font-family: var(--font-body);
  font-size: .85rem;
  letter-spacing: .02em;
  cursor: pointer;
  transition: border-color .18s ease, color .18s ease, background-color .18s ease;
}

.page-home .tag-pill:hover {
  border-color: var(--cyan-a34);
  color: var(--cyan);
}

.page-home .tag-pill[aria-pressed="true"] {
  border-color: var(--cyan);
  background: var(--cyan-a16);
  color: var(--cyan);
}

.page-home .tag-pill:focus-visible {
  outline: 2px solid var(--cyan);
  outline-offset: 2px;
}

.page-home .tags-layout {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(0, 21rem);
  gap: clamp(1rem, 2.5vw, 2rem);
  align-items: start;
}

.page-home .tag-matrix {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 1px;
  margin: 0;
  padding: 0;
  list-style: none;
  background: var(--grid);
  border: 1px solid var(--grid);
}

.page-home .tag-cell {
  display: flex;
  align-items: baseline;
  gap: .75rem;
  padding: .95rem clamp(.85rem, 1.5vw, 1.1rem);
  background: var(--void);
  transition: background-color .18s ease;
}

.page-home .tag-cell[hidden] {
  display: none;
}

.page-home .tag-cell:hover {
  background: var(--console);
}

.page-home .tag-cell__num {
  flex: none;
  font-size: .85rem;
  font-weight: 700;
  letter-spacing: .06em;
  color: var(--cyan);
}

.page-home .tag-cell__text {
  display: flex;
  flex-direction: column;
  gap: .15rem;
  min-width: 0;
}

.page-home .tag-cell__name {
  font-size: .95rem;
  font-weight: 600;
  color: var(--ink);
}

.page-home .tag-cell__desc {
  font-size: .78rem;
  line-height: 1.55;
  color: var(--muted);
}

.page-home .tags-figure {
  margin: 0;
  border: 1px solid var(--grid);
  background: #04091a;
}

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

/* ---------- 02 三步上手 ---------- */

.page-home .steps-layout {
  display: grid;
  grid-template-columns: minmax(0, 1.05fr) minmax(0, 1fr);
  gap: clamp(1.25rem, 3vw, 2.5rem);
  align-items: start;
}

.page-home .step-list {
  display: grid;
  gap: 1px;
  margin: 0;
  padding: 0;
  list-style: none;
  background: var(--grid);
  border: 1px solid var(--grid);
}

.page-home .step {
  display: grid;
  grid-template-columns: auto minmax(0, 1fr);
  gap: 1rem;
  padding: clamp(1rem, 2vw, 1.4rem);
  background: var(--void);
  transition: background-color .18s ease;
}

.page-home .step:hover {
  background: var(--console);
}

.page-home .step__num {
  display: grid;
  place-items: center;
  width: 2.25rem;
  height: 2.25rem;
  border: 1px solid var(--cyan-a34);
  color: var(--cyan);
  font-size: .9rem;
  font-weight: 700;
}

.page-home .step__title {
  margin: 0 0 .35rem;
  font-size: 1.05rem;
  font-weight: 700;
  color: var(--ink);
}

.page-home .step__text {
  margin: 0;
  font-size: .9rem;
  line-height: 1.72;
  color: var(--body-ink);
}

.page-home .steps-figure {
  margin: 0;
  border: 1px solid var(--grid);
  background: #04091a;
}

.page-home .steps-figure img {
  display: block;
  width: 100%;
  height: auto;
  aspect-ratio: 25 / 14;
  object-fit: cover;
}

/* ---------- 03 每周三公告 ---------- */

.page-home .bulletin-layout {
  display: grid;
  grid-template-columns: minmax(0, 20rem) minmax(0, 1fr);
  gap: clamp(1.25rem, 2.5vw, 2rem);
  align-items: start;
}

.page-home .bulletin-figure {
  margin: 0;
  border: 1px solid var(--grid);
  background: #04091a;
}

.page-home .bulletin-figure img {
  display: block;
  width: 100%;
  height: auto;
  aspect-ratio: 3 / 2;
  object-fit: cover;
}

.page-home .bulletin-list {
  margin: 0;
  padding: 0;
  list-style: none;
  border-top: 1px solid var(--grid);
}

.page-home .bulletin-item {
  display: grid;
  grid-template-columns: minmax(0, 12rem) minmax(0, 1fr);
  gap: .35rem 1.5rem;
  align-items: baseline;
  padding: 1rem 0;
  border-bottom: 1px solid var(--grid);
}

.page-home .bulletin-item__meta {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: .55rem;
}

.page-home .bulletin-item__time {
  font-size: .78rem;
  font-weight: 600;
  letter-spacing: .05em;
  color: var(--amber);
}

.page-home .bulletin-item__tag {
  padding: .2rem .55rem;
  border: 1px solid rgba(123, 77, 255, .4);
  background: var(--violet-a12);
  color: var(--violet-soft);
  font-size: .72rem;
  letter-spacing: .04em;
}

.page-home .bulletin-item__text {
  margin: 0;
  font-size: .92rem;
  line-height: 1.72;
  color: var(--body-ink);
}

.page-home .bulletin-more {
  display: flex;
  flex-wrap: wrap;
  gap: .75rem;
  margin-top: clamp(1.25rem, 2.5vw, 1.75rem);
}

/* ---------- 04 服务能力 ---------- */

.page-home .service-grid {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 1px;
  background: var(--grid);
  border: 1px solid var(--grid);
}

.page-home .service-card {
  display: flex;
  flex-direction: column;
  gap: .5rem;
  padding: clamp(1.1rem, 2vw, 1.6rem);
  background: var(--void);
  transition: background-color .18s ease;
}

.page-home .service-card:hover {
  background: var(--console);
}

.page-home .service-card__num {
  font-size: .75rem;
  font-weight: 700;
  letter-spacing: .1em;
  color: var(--violet-soft);
}

.page-home .service-card__title {
  margin: 0;
  font-size: 1.05rem;
  font-weight: 700;
  color: var(--ink);
}

.page-home .service-card__text {
  margin: 0;
  font-size: .87rem;
  line-height: 1.72;
  color: var(--body-ink);
}

.page-home .service-links {
  display: flex;
  flex-wrap: wrap;
  gap: .75rem;
  margin-top: clamp(1.25rem, 2.5vw, 1.75rem);
}

/* ---------- 05 长期维护 ---------- */

.page-home .home-section--trust {
  padding: clamp(1.5rem, 3.5vw, 2.75rem) 0 clamp(1.75rem, 3.5vw, 3rem);
  border-top: 1px solid var(--grid);
  border-bottom: 1px solid var(--grid);
  background: linear-gradient(180deg, rgba(123, 77, 255, .07), transparent 70%);
}

.page-home .trust-grid {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: var(--gap);
}

.page-home .trust-stat {
  padding: clamp(1rem, 2vw, 1.5rem);
  border: 1px solid var(--grid);
  border-top: 2px solid var(--cyan);
  background: var(--console);
}

.page-home .trust-stat__num {
  display: block;
  font-size: clamp(1.5rem, 3vw, 2.2rem);
  font-weight: 800;
  letter-spacing: -.02em;
  color: var(--ink);
}

.page-home .trust-stat__label {
  display: block;
  margin-top: .4rem;
  font-size: .84rem;
  line-height: 1.65;
  color: var(--muted);
}

.page-home .trust-links {
  display: flex;
  flex-wrap: wrap;
  gap: .75rem;
  margin-top: clamp(1.25rem, 2.5vw, 1.75rem);
}

/* ---------- 响应式 ---------- */

@media (max-width: 1024px) {
  .page-home .hero-grid {
    grid-template-columns: minmax(0, 1fr);
  }

  .page-home .tags-layout {
    grid-template-columns: minmax(0, 1fr);
  }

  .page-home .steps-layout {
    grid-template-columns: minmax(0, 1fr);
  }

  .page-home .bulletin-layout {
    grid-template-columns: minmax(0, 1fr);
  }

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

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

@media (max-width: 640px) {
  .page-home .hero-focus__title {
    font-size: clamp(1.5rem, 7vw, 2rem);
  }

  .page-home .hero-quad {
    grid-template-columns: minmax(0, 1fr);
  }

  .page-home .sec-head {
    grid-template-columns: minmax(0, 1fr);
  }

  .page-home .sec-num {
    grid-row: auto;
    font-size: 2rem;
  }

  .page-home .tag-matrix {
    grid-template-columns: minmax(0, 1fr);
  }

  .page-home .bulletin-item {
    grid-template-columns: minmax(0, 1fr);
  }

  .page-home .service-grid {
    grid-template-columns: minmax(0, 1fr);
  }

  .page-home .trust-grid {
    grid-template-columns: minmax(0, 1fr);
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-home .home-cta,
  .page-home .tag-pill,
  .page-home .tag-cell,
  .page-home .step,
  .page-home .service-card,
  .page-home .hero-mini {
    transition: none;
  }
}