.page-home {
  --home-line: 1px solid rgba(16, 24, 32, 0.18);
  --home-line-light: 1px solid rgba(244, 247, 245, 0.24);
}

.page-home [data-section] {
  scroll-margin-top: calc(var(--bar-h) + 1.5rem);
}

.page-home h2 {
  margin: 0;
  font-family: var(--font-head);
  font-weight: 800;
  font-size: clamp(1.6rem, 3.6vw, 2.5rem);
  line-height: 1.14;
  letter-spacing: -0.005em;
  color: var(--c-deep);
}

.page-home h3 {
  font-family: var(--font-head);
  font-weight: 800;
  line-height: 1.3;
}

/* ---------- 首屏拼贴 ---------- */

.page-home .hero {
  padding-block: clamp(2.25rem, 6vw, 4rem) clamp(3rem, 7vw, 5.25rem);
}

.page-home .hero__inner {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: clamp(2rem, 5vw, 3rem);
}

.page-home .hero__title {
  margin: 0.9rem 0 0;
  font-family: var(--font-head);
  font-weight: 800;
  font-size: clamp(2.1rem, 5.4vw, 3.9rem);
  line-height: 1.06;
  letter-spacing: -0.012em;
  color: var(--c-deep);
  max-width: 15em;
}

.page-home .hero__lede {
  margin: 1.25rem 0 0;
  max-width: 34em;
  color: var(--c-slate);
}

.page-home .hero__cta {
  margin-top: 1.75rem;
}

.page-home .hero__aside {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 1.5rem;
  align-content: start;
}

.page-home .status-list {
  list-style: none;
  margin: 0;
  padding: 0;
  border: var(--frame) solid var(--c-ink);
  background: var(--c-mist);
  box-shadow: var(--shadow-hard);
}

.page-home .status-list__item {
  display: grid;
  grid-template-columns: auto minmax(0, 1fr);
  gap: 0.85rem;
  padding: 1rem 1.1rem;
  border-top: var(--home-line);
}

.page-home .status-list__item:first-child {
  border-top: 0;
}

.page-home .status-list__lamp {
  width: 0.8rem;
  height: 0.8rem;
  margin-top: 0.42rem;
  border-radius: 50%;
  background: var(--c-coral);
  box-shadow: 0 0 0 4px rgba(255, 107, 74, 0.2);
}

.page-home .status-list__item:nth-child(2) .status-list__lamp {
  background: var(--c-electric);
  box-shadow: 0 0 0 4px rgba(91, 192, 190, 0.26);
}

.page-home .status-list__item:nth-child(3) .status-list__lamp {
  background: var(--c-channel);
  box-shadow: 0 0 0 4px rgba(22, 90, 107, 0.2);
}

.page-home .status-list__title {
  display: block;
  font-family: var(--font-head);
  font-weight: 800;
  font-size: 1rem;
  color: var(--c-deep);
}

.page-home .status-list__text {
  display: block;
  margin-top: 0.3rem;
  font-size: 0.9rem;
  line-height: 1.68;
  color: var(--c-slate);
}

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

/* ---------- 数字路标 ---------- */

.page-home .marks {
  padding-block: clamp(3.25rem, 8vw, 5.5rem);
  background: var(--c-deep);
  color: var(--c-mist);
}

.page-home .marks__head {
  max-width: 40rem;
}

.page-home .marks__head .eyebrow {
  color: var(--c-electric);
}

.page-home .marks__head h2 {
  margin-top: 0.7rem;
  color: var(--c-mist);
}

.page-home .marks__head .lede {
  margin: 0.9rem 0 0;
  max-width: 34em;
  color: rgba(244, 247, 245, 0.78);
}

.page-home .marks__list {
  list-style: none;
  margin: clamp(1.75rem, 4vw, 2.5rem) 0 0;
  padding: 0;
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 1rem;
}

.page-home .marks__item {
  display: flex;
}

.page-home .mark {
  display: flex;
  flex-direction: column;
  gap: 0.55rem;
  width: 100%;
  padding: 1.25rem 1.1rem 1.3rem;
  border: var(--frame) solid rgba(91, 192, 190, 0.55);
  background: rgba(91, 192, 190, 0.07);
  color: var(--c-mist);
  text-decoration: none;
  transition: border-color 0.2s ease, background-color 0.2s ease, transform 0.2s ease;
}

.page-home .mark:hover,
.page-home .mark:focus-visible {
  border-color: var(--c-coral);
  background: rgba(255, 107, 74, 0.12);
  transform: translateY(-2px);
}

.page-home .mark__num {
  font-family: var(--font-mono);
  font-size: 1.9rem;
  font-weight: 700;
  line-height: 1;
  letter-spacing: 0.04em;
  color: var(--c-coral);
}

.page-home .mark__title {
  font-family: var(--font-head);
  font-weight: 800;
  font-size: 1.05rem;
  line-height: 1.35;
}

.page-home .mark__text {
  font-size: 0.875rem;
  line-height: 1.68;
  color: rgba(244, 247, 245, 0.76);
}

.page-home .mark__go {
  margin-top: auto;
  padding-top: 0.8rem;
  font-family: var(--font-mono);
  font-size: 0.72rem;
  letter-spacing: 0.1em;
  color: var(--c-electric);
}

.page-home .marks__figure {
  margin: clamp(1.75rem, 4vw, 2.5rem) 0 0;
}

/* ---------- 帮助文档第三节 ---------- */

.page-home .sec-help {
  padding-block: clamp(3.25rem, 8vw, 5.5rem);
  background: var(--c-warm);
  border-bottom: var(--frame) solid var(--c-ink);
}

.page-home .sec-help__grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: clamp(1.75rem, 4vw, 2.75rem);
}

.page-home .sec-help__meta {
  margin: 0.75rem 0 0;
  font-size: 0.78rem;
  letter-spacing: 0.08em;
  color: var(--c-channel);
}

.page-home .sec-help__note {
  margin: 0.9rem 0 0;
  padding: 0.9rem 1rem;
  border-left: 4px solid var(--c-coral);
  background: rgba(217, 198, 165, 0.55);
  font-size: 0.875rem;
  line-height: 1.72;
  color: var(--c-ink);
}

.page-home .sec-help__body > p {
  margin: 1rem 0 0;
  max-width: 34em;
  color: var(--c-slate);
}

.page-home .spec-list {
  margin: 1.75rem 0 0;
  padding: 0;
  border-top: var(--frame) solid var(--c-ink);
}

.page-home .spec-list > div {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 0.25rem;
  padding: 0.9rem 0;
  border-bottom: var(--home-line);
}

.page-home .spec-list dt {
  font-family: var(--font-head);
  font-weight: 800;
  font-size: 0.95rem;
  color: var(--c-deep);
}

.page-home .spec-list dd {
  margin: 0;
  font-size: 0.95rem;
  line-height: 1.65;
  color: var(--c-slate);
}

.page-home .sec-help__cta {
  margin-top: 1.6rem;
}

/* ---------- 新旧面板对照 ---------- */

.page-home .legacy {
  padding-block: clamp(3.25rem, 8vw, 5.5rem);
  background: var(--c-sand);
  border-bottom: var(--frame) solid var(--c-ink);
}

.page-home .legacy__head {
  max-width: 42rem;
}

.page-home .legacy__head h2 {
  margin-top: 0.7rem;
  color: var(--c-ink);
}

.page-home .legacy__head .lede {
  margin: 0.9rem 0 0;
  max-width: 34em;
  color: rgba(16, 24, 32, 0.78);
}

.page-home .legacy__grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: clamp(1.5rem, 4vw, 2.5rem);
  margin-top: clamp(1.75rem, 4vw, 2.5rem);
}

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

.page-home .legacy__compare {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  border: var(--frame) solid var(--c-ink);
  background: var(--c-warm);
  box-shadow: var(--shadow-hard);
}

.page-home .legacy__col {
  padding: 1.15rem 1.1rem 1.35rem;
}

.page-home .legacy__col--new {
  background: var(--c-mist);
  border-top: var(--frame) solid var(--c-ink);
}

.page-home .legacy__col-title {
  margin: 0;
  font-size: 0.85rem;
  letter-spacing: 0.12em;
  color: #7a6647;
}

.page-home .legacy__col--new .legacy__col-title {
  color: var(--c-channel);
}

.page-home .legacy__list {
  list-style: none;
  margin: 0.9rem 0 0;
  padding: 0;
  display: grid;
  gap: 0.55rem;
}

.page-home .legacy__list li {
  display: grid;
  grid-template-columns: 2.1rem minmax(0, 1fr);
  gap: 0.5rem;
  align-items: baseline;
  font-size: 0.9rem;
  line-height: 1.52;
  color: var(--c-ink);
}

.page-home .legacy__idx {
  font-family: var(--font-mono);
  font-size: 0.72rem;
  letter-spacing: 0.06em;
  color: var(--c-slate);
}

.page-home .legacy__foot {
  margin: 1.5rem 0 0;
  font-size: 0.92rem;
  line-height: 1.7;
  color: var(--c-ink);
}

.page-home .legacy__foot a {
  color: var(--c-deep);
  font-weight: 700;
  text-decoration: underline;
  text-underline-offset: 0.25em;
}

/* ---------- 订阅记录 ---------- */

.page-home .sec-subs {
  padding-block: clamp(3.25rem, 8vw, 5.5rem);
}

.page-home .sec-subs__head {
  max-width: 42rem;
}

.page-home .sec-subs__grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: clamp(1.75rem, 4vw, 3rem);
  margin-top: clamp(1.5rem, 4vw, 2.25rem);
}

.page-home .sec-subs__body > p {
  margin: 0;
  max-width: 34em;
  color: var(--c-slate);
}

.page-home .record-list {
  list-style: none;
  margin: 1.5rem 0 0;
  padding: 0;
  display: grid;
  gap: 0.55rem;
}

.page-home .record-list li {
  display: grid;
  grid-template-columns: 2.4rem minmax(0, 1fr);
  gap: 0.7rem;
  align-items: baseline;
  padding: 0.7rem 0.9rem;
  border: 2px solid var(--c-ink);
  background: var(--c-mist);
  box-shadow: inset 5px 0 0 var(--c-channel);
  font-size: 0.92rem;
  line-height: 1.58;
  color: var(--c-ink);
}

.page-home .record-list__idx {
  font-family: var(--font-mono);
  font-size: 0.72rem;
  letter-spacing: 0.06em;
  color: var(--c-coral);
}

.page-home .sec-subs__cta {
  margin-top: 1.6rem;
}

.page-home .sec-subs__figure {
  margin: 0;
}

/* ---------- 联系与备案 ---------- */

.page-home .sec-contact {
  padding-block: clamp(3.25rem, 8vw, 5.5rem);
  background: var(--c-deep);
  color: var(--c-mist);
}

.page-home .sec-contact .eyebrow {
  color: var(--c-electric);
}

.page-home .sec-contact h2 {
  margin-top: 0.65rem;
  color: var(--c-mist);
}

.page-home .sec-contact__grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: clamp(1.75rem, 4vw, 3rem);
  margin-top: clamp(1.5rem, 4vw, 2.25rem);
}

.page-home .sec-contact__lede {
  margin: 0;
  max-width: 32em;
  color: rgba(244, 247, 245, 0.78);
}

.page-home .contact-table {
  border-top: var(--home-line-light);
}

.page-home .contact-row {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 0.4rem;
  padding: 1.05rem 0;
  border-bottom: var(--home-line-light);
}

.page-home .contact-row__key {
  font-family: var(--font-mono);
  font-size: 0.72rem;
  letter-spacing: 0.12em;
  color: var(--c-electric);
}

.page-home .contact-row__val {
  font-size: 1rem;
  line-height: 1.6;
  color: var(--c-mist);
  word-break: break-word;
}

.page-home .contact-row__val strong {
  font-family: var(--font-mono);
  font-weight: 700;
  font-size: 1.05rem;
  letter-spacing: 0.02em;
}

.page-home .copy-btn {
  margin-left: 0.65rem;
  vertical-align: middle;
  border-color: rgba(91, 192, 190, 0.6);
  color: var(--c-electric);
  background: transparent;
}

.page-home .sec-contact__closing {
  margin: clamp(2rem, 5vw, 2.75rem) 0 0;
  padding: 1.1rem 1.25rem;
  border: var(--frame) solid var(--c-coral);
  background: rgba(255, 107, 74, 0.1);
  font-family: var(--font-head);
  font-weight: 800;
  font-size: clamp(1rem, 2.2vw, 1.2rem);
  line-height: 1.5;
  color: var(--c-mist);
}

/* ---------- 断点 ---------- */

@media (min-width: 40rem) {
  .page-home .spec-list > div {
    grid-template-columns: 9.5rem minmax(0, 1fr);
    gap: 1.25rem;
    align-items: baseline;
  }

  .page-home .contact-row {
    grid-template-columns: 7.5rem minmax(0, 1fr);
    gap: 1.5rem;
    align-items: baseline;
  }

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

  .page-home .legacy__col--new {
    border-top: 0;
    border-left: var(--frame) solid var(--c-ink);
  }
}

@media (min-width: 46rem) {
  .page-home .marks__list {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

@media (min-width: 62rem) {
  .page-home .hero__inner {
    grid-template-columns: minmax(0, 1.1fr) minmax(0, 0.9fr);
    gap: clamp(2rem, 4vw, 4.5rem);
    align-items: start;
  }

  .page-home .sec-help__grid {
    grid-template-columns: minmax(0, 17rem) minmax(0, 1fr);
    gap: clamp(2.5rem, 5vw, 5rem);
    align-items: start;
  }

  .page-home .legacy__grid {
    grid-template-columns: minmax(0, 0.85fr) minmax(0, 1.15fr);
    align-items: start;
  }

  .page-home .sec-subs__grid {
    grid-template-columns: minmax(0, 1fr) minmax(0, 1fr);
    gap: clamp(2.5rem, 5vw, 4rem);
    align-items: start;
  }

  .page-home .sec-contact__grid {
    grid-template-columns: minmax(0, 0.9fr) minmax(0, 1.1fr);
    gap: clamp(2.5rem, 5vw, 4.5rem);
    align-items: start;
  }
}

@media (min-width: 74rem) {
  .page-home .marks__list {
    grid-template-columns: repeat(4, minmax(0, 1fr));
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-home .mark {
    transition: none;
  }

  .page-home .mark:hover,
  .page-home .mark:focus-visible {
    transform: none;
  }
}