.page-home {
  --home-line: rgba(27, 46, 61, 0.1);
  --home-cell: 84px;
  --home-tint: rgba(199, 57, 47, 0.05);
  background: var(--paper);
  color: var(--jet);
}

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

.page-home .eyebrow {
  margin: 0 0 12px;
  font-family: var(--ff-mono);
  font-size: 11px;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--channel);
}

/* 右侧章节索引 */
.page-home .rail-nav {
  display: none;
}

/* ============ 首屏 ============ */
.page-home .hero {
  position: relative;
  padding-top: calc(var(--hdr-h) + clamp(24px, 5vw, 64px));
  padding-bottom: clamp(40px, 6vw, 76px);
  background-image:
    repeating-linear-gradient(90deg, var(--home-line) 0 1px, transparent 1px var(--home-cell)),
    repeating-linear-gradient(0deg, var(--home-line) 0 1px, transparent 1px var(--home-cell));
  border-bottom: 1px solid var(--line-strong);
  overflow: hidden;
}

.page-home .hero__inner {
  display: grid;
  grid-template-columns: 1fr;
  gap: clamp(28px, 5vw, 52px);
  align-items: start;
}

.page-home .hero__lead {
  min-width: 0;
}

.page-home .hero .breadcrumbs {
  margin-bottom: 18px;
  font-family: var(--ff-mono);
  font-size: 11px;
  letter-spacing: 0.1em;
  color: var(--gray);
}

.page-home .hero__title {
  margin: 0 0 20px;
  font-family: var(--ff-sans);
  font-weight: 900;
  font-size: clamp(40px, 9vw, 92px);
  line-height: 0.98;
  letter-spacing: -0.03em;
  color: var(--jet);
}

.page-home .hero__title-first {
  display: block;
}

.page-home .hero__title em {
  display: block;
  font-style: normal;
  color: var(--maple);
  margin-left: -0.04em;
}

.page-home .hero__lede {
  max-width: 33em;
  font-size: 16.5px;
  line-height: 1.9;
  color: var(--ink);
  margin: 0 0 26px;
}

.page-home .hero__facts {
  list-style: none;
  margin: 30px 0 0;
  padding: 18px 0 0;
  border-top: 1px solid var(--line-strong);
  display: grid;
  gap: 12px;
}

.page-home .hero__facts li {
  display: flex;
  align-items: baseline;
  gap: 12px;
  font-size: 14px;
  line-height: 1.7;
  color: var(--ink);
}

.page-home .hero__facts-num {
  font-family: var(--ff-mono);
  font-size: 18px;
  font-weight: 600;
  color: var(--maple);
  letter-spacing: 0.04em;
  min-width: 2.6em;
}

.page-home .hero__side {
  display: flex;
  flex-direction: column;
  gap: 14px;
  min-width: 0;
}

.page-home .hero__rail {
  margin: 0;
  align-self: flex-start;
  padding: 8px 12px;
  font-family: var(--ff-mono);
  font-size: 11px;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--channel);
  background: rgba(217, 164, 65, 0.16);
  border-top: 3px solid var(--amber);
}

.page-home .hero__figure {
  border: 1px solid var(--line-strong);
  background: var(--paper);
}

.page-home .hero__caption {
  margin: 0;
  font-size: 14px;
  line-height: 1.75;
  color: var(--gray);
}

.page-home .channel-state {
  display: flex;
  gap: 12px;
  align-items: flex-start;
  padding: 14px 16px;
  border: 1px solid var(--line-strong);
  border-left: 4px solid var(--channel);
  background: var(--ash);
}

.page-home .channel-state__dot {
  flex: 0 0 auto;
  width: 10px;
  height: 10px;
  margin-top: 6px;
  background: var(--amber);
}

.page-home .channel-state__text {
  margin: 0;
  font-size: 14px;
  line-height: 1.75;
  color: var(--ink);
}

.page-home .channel-state__text strong {
  font-family: var(--ff-mono);
  letter-spacing: 0.06em;
  color: var(--channel);
}

/* 首屏双卡 */
.page-home .hero__cards {
  display: grid;
  grid-template-columns: 1fr;
  gap: 18px;
  margin-top: clamp(32px, 5vw, 56px);
}

.page-home .entry-card {
  display: flex;
  flex-direction: column;
  gap: 12px;
  padding: clamp(20px, 2.8vw, 30px);
  border: 1px solid var(--line-strong);
  background: rgba(244, 241, 236, 0.86);
  min-width: 0;
}

.page-home .entry-card--catalog {
  border-top: 4px solid var(--maple);
}

.page-home .entry-card--download {
  border-top: 4px solid var(--channel);
  background: var(--ash);
}

.page-home .entry-card__label {
  margin: 0;
  font-family: var(--ff-mono);
  font-size: 11px;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--gray);
}

.page-home .entry-card__title {
  margin: 0;
  font-size: clamp(24px, 3.4vw, 32px);
  line-height: 1.15;
  letter-spacing: -0.02em;
  font-weight: 900;
  color: var(--jet);
}

.page-home .entry-card__text {
  margin: 0;
  font-size: 15px;
  line-height: 1.85;
  color: var(--ink);
}

.page-home .entry-card__list {
  list-style: none;
  margin: 4px 0 0;
  padding: 0;
  border-top: 1px solid var(--line);
}

.page-home .entry-card__list li {
  padding: 9px 0;
  border-bottom: 1px solid var(--line);
  font-size: 14px;
  line-height: 1.7;
  color: var(--ink);
}

.page-home .entry-card__list--tight li {
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  gap: 4px 10px;
  font-family: var(--ff-mono);
  letter-spacing: 0.02em;
}

.page-home .entry-card__note {
  font-family: var(--ff-sans);
  font-size: 13px;
  color: var(--gray);
}

.page-home .entry-card__cta {
  align-self: flex-start;
  margin-top: 6px;
}

/* ============ 栏目索引 ============ */
.page-home .field-head__note {
  margin: 16px 0 0;
  max-width: 40em;
  font-size: 15px;
  line-height: 1.85;
  color: var(--ink);
}

.page-home .field-list {
  margin-top: clamp(28px, 4vw, 44px);
}

.page-home .field-row {
  position: relative;
  display: grid;
  grid-template-columns: 46px 1fr;
  gap: 6px 14px;
  padding: 20px 16px 22px 20px;
  border-bottom: 1px solid var(--line);
  text-decoration: none;
  color: var(--jet);
  transition: background-color 180ms var(--ease);
}

.page-home .field-list > .field-row:first-child {
  border-top: 1px solid var(--line-strong);
}

.page-home .field-row::before {
  content: "";
  position: absolute;
  inset-inline-start: 0;
  top: 22px;
  width: 4px;
  height: 0;
  background: var(--maple);
  transition: height 180ms var(--ease);
}

.page-home .field-row:hover,
.page-home .field-row:focus-visible {
  background: var(--home-tint);
}

.page-home .field-row:hover::before,
.page-home .field-row:focus-visible::before {
  height: 26px;
}

.page-home .field-row__num {
  font-family: var(--ff-mono);
  font-size: 15px;
  font-weight: 600;
  letter-spacing: 0.06em;
  color: var(--channel);
  padding-top: 2px;
}

.page-home .field-row__main {
  display: flex;
  flex-direction: column;
  gap: 6px;
  min-width: 0;
}

.page-home .field-row__title {
  font-size: 20px;
  font-weight: 800;
  letter-spacing: -0.01em;
  line-height: 1.3;
  color: var(--jet);
}

.page-home .field-row__brief {
  font-size: 14.5px;
  line-height: 1.8;
  color: var(--ink);
}

.page-home .field-row__meta {
  font-family: var(--ff-mono);
  font-size: 11.5px;
  letter-spacing: 0.06em;
  color: var(--gray);
}

/* ============ 三步核对 ============ */
.page-home .check-layout {
  display: grid;
  grid-template-columns: 1fr;
  gap: clamp(28px, 4vw, 48px);
  align-items: start;
}

.page-home .check-main {
  min-width: 0;
}

.page-home .check-main__note {
  margin: 16px 0 24px;
  max-width: 36em;
  font-size: 15px;
  line-height: 1.85;
  color: var(--ink);
}

.page-home .steps {
  display: grid;
  grid-template-columns: 1fr;
  gap: 1px;
  background: var(--line);
  border: 1px solid var(--line-strong);
  margin-bottom: 26px;
}

.page-home .step {
  background: var(--paper);
  padding: 20px 18px 22px;
}

.page-home .step__num {
  display: inline-block;
  font-family: var(--ff-mono);
  font-size: 11px;
  letter-spacing: 0.12em;
  color: var(--jet);
  background: var(--amber);
  padding: 3px 8px;
  margin-bottom: 12px;
}

.page-home .step__title {
  margin: 0 0 8px;
  font-size: 18px;
  font-weight: 800;
  line-height: 1.35;
  color: var(--jet);
}

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

.page-home .check-figure {
  border: 1px solid var(--line-strong);
  margin: 0;
}

/* ============ 版本动态 ============ */
.page-home .log-head__note {
  margin: 16px 0 0;
  font-size: 14.5px;
  line-height: 1.8;
  color: var(--ink);
}

.page-home .log-list {
  list-style: none;
  margin: clamp(24px, 4vw, 40px) 0 26px;
  padding: 0;
  border-top: 1px solid var(--line-strong);
}

.page-home .log-item {
  display: grid;
  grid-template-columns: 1fr;
  gap: 8px;
  padding: 20px 0;
  border-bottom: 1px solid var(--line);
}

.page-home .log-item__tag {
  justify-self: start;
  font-family: var(--ff-mono);
  font-size: 11px;
  letter-spacing: 0.1em;
  padding: 3px 8px;
  border: 1px solid var(--line-strong);
  color: var(--jet);
  background: var(--paper);
}

.page-home .log-item__title {
  margin: 0 0 6px;
  font-size: 19px;
  font-weight: 800;
  line-height: 1.4;
  color: var(--jet);
}

.page-home .log-item__text {
  margin: 0;
  font-size: 14.5px;
  line-height: 1.8;
  color: var(--ink);
}

.page-home .log-item__when {
  font-family: var(--ff-mono);
  font-size: 11.5px;
  letter-spacing: 0.08em;
  color: var(--gray);
}

/* ============ 品牌档案与咨询 ============ */
.page-home .about-band {
  position: relative;
  overflow: hidden;
}

.page-home .about-band__inner {
  display: grid;
  grid-template-columns: 1fr;
  gap: clamp(28px, 4vw, 52px);
  align-items: start;
}

.page-home .about-band__title {
  color: var(--paper);
}

.page-home .about-band .eyebrow {
  color: var(--amber);
}

.page-home .about-band__prose {
  margin: 0 0 16px;
  max-width: 34em;
  font-size: 15.5px;
  line-height: 1.9;
  color: rgba(244, 241, 236, 0.84);
}

.page-home .about-stats {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 1px;
  margin: 26px 0 0;
  background: rgba(244, 241, 236, 0.2);
  border: 1px solid rgba(244, 241, 236, 0.2);
}

.page-home .about-stat {
  background: var(--ink);
  padding: 16px 14px;
}

.page-home .about-stat dt {
  font-size: 12.5px;
  line-height: 1.6;
  color: rgba(244, 241, 236, 0.66);
  margin-bottom: 6px;
}

.page-home .about-stat dd {
  margin: 0;
  font-size: 20px;
  font-weight: 800;
  color: var(--paper);
  letter-spacing: -0.01em;
}

.page-home .about-stat dd .is-mono {
  font-family: var(--ff-mono);
  color: var(--amber);
  letter-spacing: 0.04em;
}

.page-home .about-contact {
  border: 1px solid rgba(244, 241, 236, 0.24);
  padding: clamp(18px, 2.6vw, 26px);
  background: rgba(16, 27, 36, 0.42);
  min-width: 0;
}

.page-home .about-figure {
  margin: 0 0 18px;
  aspect-ratio: 1 / 1;
  overflow: hidden;
  border: 1px solid rgba(244, 241, 236, 0.2);
  opacity: 0.9;
}

.page-home .about-figure img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.page-home .about-contact__label {
  margin: 0 0 8px;
  font-family: var(--ff-mono);
  font-size: 11px;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--amber);
}

.page-home .about-contact__text {
  margin: 0 0 14px;
  font-size: 14.5px;
  line-height: 1.8;
  color: rgba(244, 241, 236, 0.82);
}

.page-home .about-contact__mail {
  margin: 0 0 6px;
  font-size: 15px;
  letter-spacing: 0.02em;
  color: var(--paper);
  word-break: break-all;
}

.page-home .about-contact__hours {
  margin: 0 0 18px;
  font-size: 13.5px;
  line-height: 1.7;
  color: rgba(244, 241, 236, 0.66);
}

.page-home .about-contact__cta {
  align-self: flex-start;
}

/* ============ 断点 ============ */
@media (min-width: 640px) {
  .page-home .hero__facts {
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 18px;
  }

  .page-home .hero__facts li {
    display: grid;
    grid-template-columns: 1fr;
    gap: 4px;
    font-size: 13px;
    line-height: 1.6;
  }

  .page-home .log-item {
    grid-template-columns: 1fr auto;
    align-items: start;
    column-gap: 24px;
  }

  .page-home .log-item__tag {
    grid-column: 1;
    grid-row: 1;
  }

  .page-home .log-item__body {
    grid-column: 1;
    grid-row: 2;
  }

  .page-home .log-item__when {
    grid-column: 2;
    grid-row: 1 / span 2;
    text-align: right;
    padding-top: 4px;
  }
}

@media (min-width: 860px) {
  .page-home .hero__inner {
    grid-template-columns: repeat(12, minmax(0, 1fr));
    gap: 0 clamp(20px, 3vw, 40px);
  }

  .page-home .hero__lead {
    grid-column: 1 / span 7;
    padding-right: 8px;
  }

  .page-home .hero__side {
    grid-column: 9 / span 4;
    margin-top: 48px;
  }

  .page-home .hero__rail {
    writing-mode: vertical-rl;
    text-orientation: mixed;
    padding: 16px 8px;
    letter-spacing: 0.28em;
    align-self: flex-end;
    margin-right: -4px;
  }

  .page-home .hero__cards {
    grid-template-columns: 1fr 1.2fr;
  }

  .page-home .field-row {
    grid-template-columns: 60px 1fr;
    padding: 22px 20px 24px 24px;
  }

  .page-home .field-row__title {
    font-size: 22px;
  }

  .page-home .steps {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }

  .page-home .check-layout {
    grid-template-columns: 1.15fr 0.85fr;
  }

  .page-home .about-band__inner {
    grid-template-columns: 1.3fr 0.7fr;
  }

  .page-home .about-stats {
    grid-template-columns: repeat(4, minmax(0, 1fr));
  }
}

@media (min-width: 1200px) {
  .page-home .rail-nav {
    display: block;
    position: fixed;
    top: 38vh;
    right: 14px;
    z-index: 5;
  }

  .page-home .rail-nav a {
    display: block;
    writing-mode: vertical-rl;
    margin-bottom: 10px;
    padding: 12px 4px;
    font-family: var(--ff-mono);
    font-size: 11px;
    letter-spacing: 0.16em;
    color: var(--channel);
    text-decoration: none;
    border-left: 1px solid var(--line-strong);
    transition: color 180ms var(--ease), border-color 180ms var(--ease);
  }

  .page-home .rail-nav a:hover,
  .page-home .rail-nav a:focus-visible {
    color: var(--maple);
    border-left-color: var(--maple);
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-home .field-row,
  .page-home .field-row::before,
  .page-home .rail-nav a {
    transition: none;
  }
}
<<<END>>>