.page-home {
  --hm-rail-w: 224px;
  display: block;
  background: var(--ink-space);
  color: var(--paper);
  overflow-x: hidden;
}

/* ---------- 首屏 ---------- */
.page-home .hm-hero {
  position: relative;
  padding-block: clamp(40px, 8vw, 88px) clamp(32px, 5vw, 56px);
  border-bottom: 2px solid var(--edge);
  background:
    radial-gradient(58% 52% at 88% 6%, rgba(108, 59, 255, 0.42), transparent 68%),
    radial-gradient(46% 46% at 2% 96%, rgba(45, 245, 212, 0.12), transparent 70%),
    var(--ink-space);
  isolation: isolate;
}

.page-home .hm-hero::before {
  content: "";
  position: absolute;
  inset: 0;
  z-index: -1;
  background-image: repeating-linear-gradient(
    45deg,
    rgba(42, 38, 56, 0.55) 0 1px,
    transparent 1px 46px
  );
  opacity: 0.55;
  pointer-events: none;
}

.page-home .hm-hero__inner {
  display: grid;
  gap: clamp(28px, 5vw, 56px);
  align-items: center;
}

.page-home .hm-hero__title {
  font-family: var(--font-display);
  font-weight: 900;
  font-size: clamp(34px, 7.4vw, 68px);
  line-height: 1.08;
  letter-spacing: -0.01em;
  margin: 14px 0 18px;
  color: var(--paper);
  text-wrap: balance;
}

.page-home .hm-hero__lead {
  margin: 0 0 26px;
  color: var(--mist);
  font-size: clamp(15px, 2.4vw, 17px);
  line-height: 1.85;
  max-width: 60ch;
}

.page-home .hm-hero__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-bottom: 24px;
}

.page-home .hm-hero__tags {
  margin-bottom: 22px;
}

.page-home .hm-hero__tags .tag {
  border: 2px solid var(--edge);
  background: rgba(20, 17, 31, 0.78);
  color: var(--mist);
  border-radius: 2px;
}

.page-home .hm-pulse {
  animation: hmTagPulse 6s ease-in-out infinite;
}
.page-home .hm-pulse:nth-child(2) { animation-delay: 0.9s; }
.page-home .hm-pulse:nth-child(3) { animation-delay: 1.8s; }
.page-home .hm-pulse:nth-child(4) { animation-delay: 2.7s; }
.page-home .hm-pulse:nth-child(5) { animation-delay: 3.6s; }

@keyframes hmTagPulse {
  0%, 72%, 100% {
    border-color: var(--edge);
    color: var(--mist);
    box-shadow: none;
  }
  82% {
    border-color: var(--cyan);
    color: var(--cyan);
    box-shadow: 0 0 12px rgba(45, 245, 212, 0.45);
  }
}

.page-home .hm-hero__trust {
  margin: 0;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.04em;
  color: var(--mist);
  padding-top: 16px;
  border-top: 2px solid var(--edge);
}

.page-home .hm-hero__visual {
  margin: 0;
  border: 2px solid var(--edge);
  box-shadow: var(--shadow-hard-lift);
  transform: rotate(-1.2deg);
}

/* ---------- 章节索引 ---------- */
.page-home .hm-index {
  display: grid;
  gap: 12px;
  margin-top: clamp(30px, 5vw, 52px);
  padding-top: clamp(20px, 3vw, 28px);
  border-top: 2px solid var(--edge);
}

.page-home .hm-index a {
  display: flex;
  flex-direction: column;
  gap: 6px;
  padding: 14px;
  border: 2px solid var(--edge);
  border-radius: 2px;
  background: rgba(20, 17, 31, 0.7);
  color: var(--paper);
  text-decoration: none;
  box-shadow: 4px 4px 0 rgba(58, 28, 140, 0.5);
  transition: transform 0.24s ease, box-shadow 0.24s ease, border-color 0.24s ease;
}

.page-home .hm-index a:hover,
.page-home .hm-index a:focus-visible {
  transform: translate(-2px, -2px);
  border-color: var(--violet);
  box-shadow: 7px 7px 0 rgba(58, 28, 140, 0.85);
}

.page-home .hm-index__num {
  font-family: var(--font-mono);
  font-size: 19px;
  font-weight: 300;
  color: var(--cyan);
  letter-spacing: 0.06em;
}

.page-home .hm-index__label {
  font-size: 14px;
  color: var(--mist);
}

/* ---------- 主体两栏 ---------- */
.page-home .hm-body {
  padding-block: clamp(36px, 6vw, 72px) clamp(56px, 9vw, 110px);
}

.page-home .hm-body__grid {
  display: grid;
  gap: clamp(28px, 4vw, 48px);
}

.page-home .hm-flow {
  min-width: 0;
}

/* ---------- 左侧轨道 ---------- */
.page-home .hm-rail {
  display: grid;
  gap: 18px;
  align-content: start;
}

.page-home .hm-rail__title {
  margin: 0;
  font-size: 12px;
  letter-spacing: 0.14em;
  color: var(--cyan);
  padding-bottom: 10px;
  border-bottom: 2px solid var(--edge);
}

.page-home .hm-rail__list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 6px;
}

.page-home .hm-rail__list a {
  display: block;
  padding: 8px 10px;
  font-family: var(--font-mono);
  font-size: 12.5px;
  letter-spacing: 0.04em;
  color: var(--mist);
  text-decoration: none;
  border-left: 2px solid var(--edge);
  transition: color 0.2s ease, border-color 0.2s ease;
}

.page-home .hm-rail__list a:hover,
.page-home .hm-rail__list a:focus-visible {
  color: var(--cyan);
  border-left-color: var(--cyan);
}

.page-home .hm-rail__box {
  display: grid;
  gap: 8px;
  padding: 14px;
  border: 2px solid var(--edge);
  border-radius: 2px;
  background: var(--ink-panel);
  box-shadow: var(--shadow-hard);
}

.page-home .hm-rail__sub {
  margin: 0 0 2px;
  font-size: 11.5px;
  letter-spacing: 0.12em;
  color: var(--orange);
}

.page-home .hm-rail__box a {
  font-size: 13.5px;
  color: var(--paper);
  text-decoration: none;
  border-bottom: 1px solid var(--edge);
  padding-bottom: 6px;
}

.page-home .hm-rail__box a:hover,
.page-home .hm-rail__box a:focus-visible {
  color: var(--cyan);
  border-bottom-color: var(--cyan);
}

/* ---------- 章节 ---------- */
.page-home .hm-section + .hm-section {
  margin-top: clamp(52px, 8vw, 104px);
}

.page-home .hm-chapter {
  margin-bottom: clamp(16px, 2.6vw, 26px);
}

.page-home .hm-lead {
  margin: 0 0 clamp(22px, 3.4vw, 34px);
  color: var(--mist);
  font-size: clamp(15px, 2.2vw, 16.5px);
  line-height: 1.85;
  max-width: 68ch;
}

.page-home .hm-band {
  margin-block: clamp(48px, 7vw, 88px) 0;
}

.page-home .hm-note {
  display: flex;
  align-items: flex-start;
  gap: 10px;
  margin: clamp(18px, 3vw, 26px) 0 0;
  padding: 14px 16px;
  border-left: 2px solid var(--violet);
  background: rgba(20, 17, 31, 0.7);
  color: var(--mist);
  font-size: 14px;
  line-height: 1.75;
}

.page-home .hm-cta-line {
  margin: clamp(18px, 3vw, 26px) 0 0;
}

/* ---------- 图文分栏 ---------- */
.page-home .hm-split {
  display: grid;
  gap: clamp(22px, 4vw, 36px);
}

.page-home .hm-split figure {
  margin: 0;
}

.page-home .hm-split .media-frame {
  border: 2px solid var(--edge);
  box-shadow: var(--shadow-hard);
}

/* ---------- 安装四步 ---------- */
.page-home .hm-steps {
  list-style: none;
  margin: 0;
  padding: 0;
}

.page-home .hm-step {
  display: grid;
  grid-template-columns: 34px minmax(0, 1fr);
  gap: 14px;
  padding-block: 16px;
  border-top: 2px solid var(--edge);
}

.page-home .hm-step:last-child {
  border-bottom: 2px solid var(--edge);
}

.page-home .hm-step__num {
  width: 30px;
  height: 30px;
  display: grid;
  place-items: center;
  font-family: var(--font-mono);
  font-size: 12px;
  color: var(--ink-space);
  background: var(--violet);
  border-radius: 2px;
  box-shadow: 3px 3px 0 rgba(58, 28, 140, 0.9);
}

.page-home .hm-step__title {
  margin: 0 0 6px;
  font-size: 16.5px;
  font-weight: 700;
  color: var(--paper);
}

.page-home .hm-step__text {
  margin: 0;
  color: var(--mist);
  font-size: 14.5px;
  line-height: 1.8;
}

/* ---------- 筛选维度 ---------- */
.page-home .hm-dims {
  margin: 0;
  display: grid;
  gap: 16px;
}

.page-home .hm-dims > div {
  padding-left: 16px;
  border-left: 2px solid var(--violet);
}

.page-home .hm-dims dt {
  font-family: var(--font-mono);
  font-size: 12.5px;
  letter-spacing: 0.08em;
  color: var(--cyan);
  margin-bottom: 5px;
}

.page-home .hm-dims dd {
  margin: 0;
  color: var(--mist);
  font-size: 14.5px;
  line-height: 1.8;
}

.page-home .hm-filter-figure {
  border: 2px solid var(--edge);
  box-shadow: var(--shadow-hard);
}

/* ---------- 专栏时间轴 ---------- */
.page-home .hm-journal-figure {
  margin: 0 0 clamp(22px, 3.4vw, 34px);
  border: 2px solid var(--edge);
  box-shadow: var(--shadow-hard);
}

.page-home .hm-timeline {
  margin: 0;
  padding: 0;
  list-style: none;
}

.page-home .hm-tl__title {
  margin: 4px 0 6px;
  font-size: 16.5px;
  font-weight: 700;
  color: var(--paper);
}

.page-home .hm-tl__text {
  margin: 0;
  color: var(--mist);
  font-size: 14.5px;
  line-height: 1.8;
}

/* ---------- 回访路径 ---------- */
.page-home .hm-path {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 16px;
}

.page-home .hm-path li {
  padding: 16px 16px 18px;
  border: 2px solid var(--edge);
  border-radius: 2px;
  background: var(--ink-panel);
  box-shadow: var(--shadow-hard);
}

.page-home .hm-path__num {
  font-size: 11px;
  letter-spacing: 0.14em;
  color: var(--orange);
}

.page-home .hm-path__title {
  margin: 8px 0 6px;
  font-size: 16px;
  font-weight: 700;
  color: var(--paper);
}

.page-home .hm-path__text {
  margin: 0;
  color: var(--mist);
  font-size: 14.5px;
  line-height: 1.8;
}

.page-home .hm-stats {
  display: grid;
  gap: 12px;
  align-content: start;
}

.page-home .hm-stat {
  padding: 16px;
  border: 2px solid var(--edge);
  border-radius: 2px;
  background: rgba(20, 17, 31, 0.85);
  box-shadow: 5px 5px 0 rgba(58, 28, 140, 0.6);
}

.page-home .hm-stat__num {
  display: block;
  font-family: var(--font-display);
  font-size: 28px;
  line-height: 1.2;
  color: var(--paper);
}

.page-home .hm-stat__label {
  display: block;
  margin-top: 6px;
  font-size: 13px;
  line-height: 1.7;
  color: var(--mist);
}

/* ---------- 支持入口 ---------- */
.page-home .hm-help__cards {
  display: grid;
  gap: 14px;
  margin-bottom: clamp(20px, 3vw, 30px);
}

.page-home .hm-help__card {
  display: grid;
  gap: 8px;
  text-decoration: none;
  border-radius: 2px;
  border-width: 2px;
}

.page-home .hm-contact {
  padding: 18px;
  border: 2px solid var(--edge);
  border-left: 2px solid var(--cyan);
  background: var(--ink-panel);
}

.page-home .hm-contact__mail {
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  gap: 10px;
  margin: 0 0 10px;
  font-size: 15px;
}

.page-home .hm-contact__mail .mono {
  font-size: 11.5px;
  letter-spacing: 0.12em;
  color: var(--cyan);
}

.page-home .hm-contact__mail a {
  color: var(--paper);
  word-break: break-all;
  text-decoration: underline;
  text-decoration-color: var(--violet);
  text-underline-offset: 3px;
}

.page-home .hm-contact__mail a:hover,
.page-home .hm-contact__mail a:focus-visible {
  color: var(--cyan);
}

.page-home .hm-contact__tip {
  margin: 0;
  color: var(--mist);
  font-size: 14px;
  line-height: 1.8;
}

/* ---------- 响应式 ---------- */
@media (min-width: 560px) {
  .page-home .hm-index {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
  .page-home .hm-stats {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
  .page-home .hm-stat--wide {
    grid-column: 1 / -1;
  }
  .page-home .hm-help__cards {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

@media (min-width: 900px) {
  .page-home .hm-hero__inner {
    grid-template-columns: minmax(0, 1.05fr) minmax(0, 0.95fr);
  }
  .page-home .hm-index {
    grid-template-columns: repeat(5, minmax(0, 1fr));
  }
  .page-home .hm-split {
    grid-template-columns: minmax(0, 1fr) minmax(0, 1fr);
    align-items: start;
  }
  .page-home .hm-split--reverse {
    grid-template-columns: minmax(0, 1.1fr) minmax(0, 0.9fr);
  }
}

@media (min-width: 1080px) {
  .page-home .hm-body__grid {
    grid-template-columns: var(--hm-rail-w) minmax(0, 1fr);
    align-items: start;
  }
  .page-home .hm-rail {
    position: sticky;
    top: 96px;
  }
}

@media (max-width: 1079px) {
  .page-home .hm-rail__title,
  .page-home .hm-rail__list {
    display: none;
  }
  .page-home .hm-rail__box {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
  .page-home .hm-rail__sub {
    grid-column: 1 / -1;
  }
}

@media (max-width: 420px) {
  .page-home .hm-rail__box {
    grid-template-columns: minmax(0, 1fr);
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-home .hm-pulse {
    animation: none;
  }
  .page-home .hm-index a {
    transition: none;
  }
  .page-home .hm-hero__visual {
    transform: none;
  }
}
<<<END>>>