.page-home {
  --hm-hero-line: rgba(247, 244, 237, .07);
  --hm-hero-line-soft: rgba(247, 244, 237, .22);
  --hm-paper-soft: rgba(247, 244, 237, .78);
}

/* ---------- 刊头 ---------- */
.page-home .hm-hero {
  position: relative;
  overflow: hidden;
  color: var(--by-paper);
  background-color: var(--by-indigo);
  background-image:
    repeating-linear-gradient(to right, var(--hm-hero-line) 0 1px, transparent 1px 76px),
    repeating-linear-gradient(to bottom, var(--hm-hero-line) 0 1px, transparent 1px 76px);
  border-bottom: 4px solid var(--by-midnight);
}

.page-home .hm-hero::after {
  content: "";
  position: absolute;
  top: -22%;
  right: -12%;
  width: min(600px, 68vw);
  aspect-ratio: 1;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(79, 143, 126, .34), transparent 68%);
  pointer-events: none;
}

.page-home .hm-hero__inner {
  position: relative;
  z-index: 1;
  display: grid;
  gap: clamp(26px, 4vw, 44px);
  padding-top: clamp(20px, 4vw, 38px);
  padding-bottom: clamp(26px, 4vw, 44px);
}

.page-home .hm-context {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 8px;
  margin: 0;
  font-size: 11.5px;
  letter-spacing: .1em;
  color: rgba(247, 244, 237, .58);
}

.page-home .hm-context i {
  font-style: normal;
  color: rgba(247, 244, 237, .34);
}

.page-home .hm-h1 {
  display: flex;
  flex-direction: column;
  gap: 8px;
  margin: 16px 0 0;
  line-height: 1;
}

.page-home .hm-h1__brand {
  font-size: clamp(52px, 12vw, 128px);
  font-weight: 900;
  letter-spacing: -.045em;
  color: var(--by-paper);
}

.page-home .hm-h1__sub {
  padding-left: 4px;
  font-size: clamp(14px, 2.1vw, 20px);
  font-weight: 700;
  letter-spacing: .16em;
  color: var(--by-amber-light);
}

.page-home .hm-lede {
  max-width: 46ch;
  margin: 22px 0 0;
  font-size: clamp(15px, 1.6vw, 17px);
  line-height: 1.8;
  color: var(--hm-paper-soft);
}

.page-home .hm-hero__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 28px;
}

.page-home .hm-ghost {
  background: transparent;
  color: var(--by-paper);
  border-color: rgba(247, 244, 237, .48);
}

.page-home .hm-ghost:hover {
  background: rgba(247, 244, 237, .12);
}

.page-home .hm-hero__figure {
  margin: 0;
  align-self: end;
}

.page-home .hm-hero__figure img {
  display: block;
  width: 100%;
  height: auto;
  max-width: 100%;
  object-fit: contain;
  background: var(--by-midnight);
  border: 2px solid rgba(247, 244, 237, .3);
  border-radius: var(--by-radius);
}

.page-home .hm-metrics-wrap {
  position: relative;
  z-index: 1;
  padding-bottom: clamp(26px, 4vw, 44px);
}

.page-home .hm-metrics {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 18px 14px;
  margin: 0;
  padding: 20px 0 0;
  list-style: none;
  border-top: 1px solid var(--hm-hero-line-soft);
}

.page-home .hm-metrics__num {
  display: block;
  font-size: clamp(24px, 3.2vw, 34px);
  font-weight: 700;
  letter-spacing: -.02em;
  color: var(--by-amber-light);
}

.page-home .hm-metrics__num small {
  margin-left: 2px;
  font-size: .5em;
  font-weight: 700;
}

.page-home .hm-metrics__label {
  display: block;
  margin-top: 6px;
  font-size: 13px;
  line-height: 1.55;
  color: rgba(247, 244, 237, .7);
}

/* ---------- 通用章节头 ---------- */
.page-home .hm-head {
  max-width: 70ch;
}

.page-home .hm-h2 {
  margin: 10px 0 0;
  font-size: clamp(24px, 3.9vw, 38px);
  font-weight: 900;
  line-height: 1.2;
  letter-spacing: -.02em;
  color: var(--by-indigo);
}

.page-home .hm-sub {
  max-width: 62ch;
  margin: 14px 0 0;
  font-size: clamp(14px, 1.5vw, 16px);
  line-height: 1.8;
  color: rgba(20, 22, 28, .76);
}

.page-home .hm-after {
  max-width: 68ch;
  margin: clamp(20px, 3vw, 30px) 0 0;
  font-size: 14px;
  line-height: 1.8;
  color: rgba(20, 22, 28, .72);
}

.page-home .hm-after a {
  color: var(--by-indigo);
  font-weight: 700;
  text-decoration: underline;
  text-decoration-color: var(--by-amber);
  text-decoration-thickness: 2px;
  text-underline-offset: 3px;
}

/* ---------- 版本选择 ---------- */
.page-home .hm-version-pair {
  display: grid;
  gap: clamp(16px, 2.6vw, 26px);
  margin-top: clamp(24px, 4vw, 40px);
}

.page-home .hm-version {
  display: flex;
  flex-direction: column;
  padding: clamp(20px, 2.6vw, 30px);
  background: var(--by-paper);
  border-top-width: 8px;
  border-top-style: solid;
}

.page-home .hm-version--std {
  border-top-color: var(--by-celadon);
}

.page-home .hm-version--pro {
  border-top-color: var(--by-amber);
}

.page-home .hm-version .by-card__head {
  align-items: center;
  gap: 10px;
  flex-wrap: wrap;
  margin-bottom: 12px;
}

.page-home .hm-version h3 {
  margin: 0 0 10px;
  font-size: clamp(19px, 2.3vw, 23px);
  font-weight: 900;
  line-height: 1.32;
  color: var(--by-indigo);
}

.page-home .hm-version > p {
  margin: 0 0 18px;
  font-size: 14.5px;
  line-height: 1.78;
  color: rgba(20, 22, 28, .74);
}

.page-home .hm-version__list {
  display: grid;
  gap: 10px;
  margin: 0 0 24px;
  padding: 0;
  list-style: none;
}

.page-home .hm-version__list li {
  position: relative;
  padding-left: 20px;
  font-size: 14px;
  line-height: 1.72;
  color: var(--by-ink);
}

.page-home .hm-version__list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: .56em;
  width: 8px;
  height: 8px;
  border: 2px solid currentColor;
  border-radius: 50%;
}

.page-home .hm-version--std .hm-version__list li::before {
  color: var(--by-celadon);
}

.page-home .hm-version--pro .hm-version__list li::before {
  color: var(--by-amber);
}

.page-home .hm-version .by-btn {
  margin-top: auto;
  align-self: flex-start;
}

/* ---------- 服务时长与售后 ---------- */
.page-home .hm-service {
  background: var(--by-mist);
  border-top: 2px solid var(--by-line-strong);
  border-bottom: 2px solid var(--by-line-strong);
}

.page-home .hm-service__grid {
  display: grid;
  gap: clamp(24px, 4vw, 44px);
}

.page-home .hm-table {
  margin-top: clamp(18px, 2.6vw, 26px);
}

.page-home .hm-table__caption {
  caption-side: top;
  padding-bottom: 10px;
  font-size: 12px;
  font-family: var(--by-font-mono);
  letter-spacing: .08em;
  text-align: left;
  color: rgba(20, 22, 28, .55);
}

.page-home .hm-table th,
.page-home .hm-table td {
  font-size: 13.8px;
  line-height: 1.6;
}

.page-home .hm-table tbody th {
  font-weight: 700;
  color: var(--by-indigo);
}

.page-home .hm-table td {
  font-family: var(--by-font-mono);
  color: var(--by-ink);
}

.page-home .hm-service__figure {
  margin: 0;
}

/* ---------- 新版板块与更新索引 ---------- */
.page-home .hm-updates__grid {
  display: grid;
  gap: clamp(24px, 4vw, 48px);
}

.page-home .hm-updates__figure {
  margin: clamp(20px, 3vw, 28px) 0;
}

.page-home .hm-updates {
  margin: 0;
  padding: 0;
  list-style: none;
  border-top: 3px solid var(--by-indigo);
}

.page-home .hm-update {
  padding: 18px 4px 16px;
  border-bottom: 1px solid var(--by-line-strong);
  transition: background .25s var(--by-ease), padding-left .25s var(--by-ease);
}

.page-home .hm-update:hover,
.page-home .hm-update:focus-within {
  background: var(--by-mist);
  padding-left: 14px;
}

.page-home .hm-update__top {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 10px;
  margin-bottom: 9px;
}

.page-home .hm-update__no {
  font-size: 12px;
  font-weight: 700;
  letter-spacing: .12em;
  color: var(--by-indigo);
}

.page-home .hm-update__time {
  margin-left: auto;
  font-family: var(--by-font-mono);
  font-size: 11.5px;
  letter-spacing: .06em;
  color: rgba(20, 22, 28, .5);
}

.page-home .hm-update h3 {
  margin: 0 0 8px;
  font-size: 16.5px;
  font-weight: 700;
  line-height: 1.45;
  color: var(--by-indigo);
}

.page-home .hm-update p {
  margin: 0;
  max-height: 3.6em;
  overflow: hidden;
  font-size: 13.8px;
  line-height: 1.75;
  color: rgba(20, 22, 28, .7);
  transition: max-height .35s var(--by-ease);
}

.page-home .hm-update:hover p,
.page-home .hm-update:focus-within p {
  max-height: 16em;
}

/* ---------- 服务网络 ---------- */
.page-home .hm-network__panel {
  position: relative;
  overflow: hidden;
  padding: clamp(24px, 4vw, 48px);
  color: var(--by-paper);
  background: var(--by-midnight);
  border-radius: var(--by-radius);
  border: 2px solid rgba(168, 203, 191, .28);
}

.page-home .hm-network__panel::before {
  content: "";
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(rgba(168, 203, 191, .13) 1px, transparent 1px),
    linear-gradient(90deg, rgba(168, 203, 191, .13) 1px, transparent 1px);
  background-size: 56px 56px;
  opacity: .55;
  pointer-events: none;
}

.page-home .hm-network__grid {
  position: relative;
  z-index: 1;
  display: grid;
  gap: clamp(24px, 4vw, 44px);
}

.page-home .hm-network__panel .hm-h2 {
  color: var(--by-paper);
}

.page-home .hm-network__panel .hm-sub {
  color: rgba(247, 244, 237, .78);
}

.page-home .hm-network__panel .by-eyebrow {
  color: var(--by-amber-light);
}

.page-home .hm-regions {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin: 20px 0 0;
  padding: 0;
  list-style: none;
}

.page-home .hm-regions li {
  padding: 6px 12px;
  font-family: var(--by-font-mono);
  font-size: 12.5px;
  letter-spacing: .06em;
  color: var(--by-celadon-light);
  border: 1px solid rgba(168, 203, 191, .48);
  border-radius: var(--by-radius);
}

.page-home .hm-contact {
  margin-top: 28px;
  padding-top: 24px;
  border-top: 1px solid rgba(247, 244, 237, .2);
}

.page-home .hm-contact__title {
  margin: 0 0 16px;
  font-size: 16px;
  font-weight: 900;
  letter-spacing: .04em;
  color: var(--by-amber-light);
}

.page-home .hm-kv {
  display: grid;
  gap: 12px;
  margin: 0;
}

.page-home .hm-kv dt {
  font-size: 12px;
  font-weight: 700;
  letter-spacing: .1em;
  color: rgba(247, 244, 237, .55);
}

.page-home .hm-kv dd {
  margin: 4px 0 0;
  font-size: 14.5px;
  line-height: 1.6;
  color: var(--by-paper);
  word-break: break-word;
}

.page-home .hm-contact__note {
  margin: 14px 0 0;
  font-size: 13px;
  line-height: 1.75;
  color: rgba(247, 244, 237, .66);
}

.page-home .hm-contact .by-btn {
  margin-top: 20px;
}

.page-home .hm-network__figure {
  margin: 0;
  align-self: start;
}

/* ---------- 常见问题 ---------- */
.page-home .hm-acc {
  margin-top: clamp(22px, 3.4vw, 34px);
}

.page-home .hm-acc .by-acc__trigger {
  display: flex;
  align-items: center;
  gap: 12px;
  width: 100%;
  text-align: left;
}

.page-home .hm-acc__dot {
  flex: 0 0 auto;
  width: 9px;
  height: 9px;
  border-radius: 50%;
  background: var(--by-celadon);
}

.page-home .hm-acc__label {
  flex: 1 1 auto;
  font-size: clamp(15px, 1.7vw, 16.5px);
  font-weight: 700;
  line-height: 1.5;
  color: var(--by-indigo);
}

.page-home .hm-acc .by-acc__panel p {
  margin: 0;
  font-size: 14.5px;
  line-height: 1.82;
  color: rgba(20, 22, 28, .76);
}

/* ---------- 结尾行动带 ---------- */
.page-home .hm-cta {
  background: var(--by-amber);
  border-top: 3px solid var(--by-midnight);
  border-bottom: 3px solid var(--by-midnight);
}

.page-home .hm-cta__inner {
  display: grid;
  gap: 20px;
  padding-top: clamp(28px, 4vw, 44px);
  padding-bottom: clamp(28px, 4vw, 44px);
}

.page-home .hm-cta__title {
  margin: 0 0 8px;
  font-size: clamp(22px, 3vw, 30px);
  font-weight: 900;
  line-height: 1.28;
  letter-spacing: -.02em;
  color: var(--by-midnight);
}

.page-home .hm-cta p {
  max-width: 54ch;
  margin: 0;
  font-size: 14.5px;
  line-height: 1.72;
  color: rgba(14, 24, 56, .82);
}

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

.page-home .hm-cta__alt {
  background: transparent;
  color: var(--by-midnight);
  border-color: rgba(14, 24, 56, .55);
}

.page-home .hm-cta__alt:hover {
  background: rgba(14, 24, 56, .1);
}

/* ---------- 响应式 ---------- */
@media (min-width: 620px) {
  .page-home .hm-metrics {
    grid-template-columns: repeat(4, minmax(0, 1fr));
  }

  .page-home .hm-kv {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 14px 20px;
  }
}

@media (min-width: 900px) {
  .page-home .hm-hero__inner {
    grid-template-columns: minmax(0, 1.25fr) minmax(0, .85fr);
    align-items: end;
  }

  .page-home .hm-version-pair {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    align-items: stretch;
  }

  .page-home .hm-version--pro {
    transform: translateY(-14px);
  }

  .page-home .hm-service__grid {
    grid-template-columns: minmax(0, 1.15fr) minmax(0, .85fr);
    align-items: start;
  }

  .page-home .hm-updates__grid {
    grid-template-columns: minmax(0, .92fr) minmax(0, 1.08fr);
    align-items: start;
  }

  .page-home .hm-network__grid {
    grid-template-columns: minmax(0, 1.1fr) minmax(0, .9fr);
    align-items: start;
  }

  .page-home .hm-cta__inner {
    grid-template-columns: minmax(0, 1fr) auto;
    align-items: center;
  }
}

@media (max-width: 899px) {
  .page-home .hm-update p {
    max-height: none;
  }

  .page-home .hm-version--pro {
    transform: none;
  }
}

@media (max-width: 520px) {
  .page-home .hm-h1__sub {
    letter-spacing: .1em;
  }

  .page-home .hm-hero__actions .by-btn,
  .page-home .hm-cta__actions .by-btn {
    flex: 1 1 100%;
    text-align: center;
  }

  .page-home .hm-update__time {
    margin-left: 0;
  }
}
</｜｜DSML｜｜ parameter>