.page-home {
  --home-sec: clamp(3.25rem, 7vw, 6.5rem);
  --home-tick: rgba(14, 27, 42, .16);
  display: block;
  background: var(--paper);
  color: var(--text);
  font-family: var(--font-body);
  font-size: var(--fs-body);
  line-height: 1.75;
  -webkit-font-smoothing: antialiased;
}

.page-home h1,
.page-home h2,
.page-home h3 {
  margin: 0;
  font-family: var(--font-head);
  font-weight: 800;
  color: var(--ink);
  letter-spacing: -0.01em;
  line-height: 1.14;
}

.page-home p {
  margin: 0;
}

.page-home ul,
.page-home ol {
  margin: 0;
  padding: 0;
  list-style: none;
}

.page-home a {
  color: inherit;
  text-decoration: none;
}

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

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

.page-home > section {
  padding-block-start: var(--home-sec);
}

.page-home > .hero {
  padding-block-start: clamp(1.25rem, 3vw, 2.5rem);
}

.page-home > section:last-of-type {
  padding-block-end: var(--home-sec);
}

/* ---------- 通用区块头 ---------- */
.page-home .sec-head {
  display: flex;
  align-items: baseline;
  gap: .9rem;
  margin-bottom: 1rem;
}

.page-home .sec-head__num {
  font-size: .78rem;
  letter-spacing: .14em;
  color: var(--gold-deep);
  white-space: nowrap;
}

.page-home .sec-head__title {
  font-size: var(--fs-sec);
  font-weight: 800;
}

.page-home .media__cap {
  padding: .6rem .8rem;
  border-top: 1px solid var(--line-soft);
  background: var(--shell);
  font-size: .78rem;
  line-height: 1.6;
  color: var(--mist);
}

/* ---------- 01 首屏 ---------- */
.page-home .hero__frame {
  position: relative;
  padding: clamp(1.15rem, 4vw, 3rem);
  border: 1px solid var(--line);
  background-color: var(--shell);
  background-image:
    repeating-linear-gradient(to bottom, var(--home-tick) 0 1px, transparent 1px 18px),
    repeating-linear-gradient(to bottom, var(--home-tick) 0 1px, transparent 1px 18px);
  background-repeat: no-repeat, no-repeat;
  background-position: left top, right top;
  background-size: 9px 100%, 9px 100%;
  overflow: hidden;
}

.page-home .hero__frame::before,
.page-home .hero__frame::after {
  content: "";
  position: absolute;
  left: 0;
  right: 0;
  height: 9px;
  background-image: repeating-linear-gradient(to right, var(--home-tick) 0 1px, transparent 1px 18px);
  pointer-events: none;
}

.page-home .hero__frame::before { top: 0; }
.page-home .hero__frame::after { bottom: 0; }

.page-home .hero__tags {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  padding-bottom: .85rem;
  margin-bottom: clamp(1.25rem, 3vw, 2.25rem);
  border-bottom: 1px solid var(--line-soft);
}

.page-home .hero__idx {
  font-size: .74rem;
  letter-spacing: .16em;
  color: var(--mist);
}

.page-home .hero__body {
  display: grid;
  gap: clamp(1.5rem, 4vw, 2.75rem);
}

.page-home .hero__lead {
  display: grid;
  gap: 1.1rem;
  align-content: start;
}

.page-home .crumb {
  display: flex;
  align-items: center;
  gap: .45rem;
  font-family: var(--font-mono);
  font-size: .74rem;
  letter-spacing: .1em;
  color: var(--mist);
}

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

.page-home .hero__title {
  font-size: clamp(1.95rem, 7.4vw, 4.4rem);
  font-weight: 800;
  letter-spacing: -0.02em;
  line-height: 1.06;
  overflow-wrap: break-word;
}

.page-home .hero__intro {
  max-width: 34rem;
  font-size: 1.0625rem;
  color: rgba(17, 22, 28, .76);
}

.page-home .hero__actions {
  display: flex;
  flex-wrap: wrap;
  gap: .7rem;
  margin-top: .3rem;
}

.page-home .hero__visual {
  margin: 0;
  border: 1px solid var(--line);
  background: var(--paper);
}

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

/* ---------- 02 三类清单 ---------- */
.page-home .svc__intro {
  max-width: 46rem;
  margin-bottom: clamp(1.25rem, 3vw, 2rem);
  color: rgba(17, 22, 28, .74);
}

.page-home .svc__visual {
  margin: 0 0 clamp(1.5rem, 3vw, 2.25rem);
  border: 1px solid var(--line);
  background: var(--shell);
}

.page-home .svc__visual img {
  width: 100%;
}

.page-home .svc__grid {
  display: grid;
  gap: 1px;
  background: var(--line);
  border: 1px solid var(--line);
}

.page-home .svc__cell {
  display: flex;
  flex-direction: column;
  gap: .6rem;
  padding: clamp(1.25rem, 2.4vw, 1.9rem);
  background: var(--shell);
}

.page-home .svc__no {
  font-size: .74rem;
  letter-spacing: .16em;
  color: var(--gold-deep);
}

.page-home .svc__name {
  font-size: 1.3rem;
  font-weight: 800;
}

.page-home .svc__desc {
  flex: 1 1 auto;
  font-size: .94rem;
  color: rgba(17, 22, 28, .72);
}

.page-home .svc__stat {
  padding-top: .55rem;
  border-top: 1px solid var(--line-soft);
  font-family: var(--font-mono);
  font-size: .8rem;
  letter-spacing: .02em;
  color: var(--ink-soft);
}

.page-home .svc__link {
  display: inline-flex;
  align-items: center;
  gap: .35rem;
  align-self: flex-start;
  padding-bottom: .12rem;
  border-bottom: 1px solid var(--gold);
  font-size: .88rem;
  font-weight: 700;
  color: var(--ink);
  transition: color .25s var(--ease), border-color .25s var(--ease);
}

.page-home .svc__link::after {
  content: "→";
  font-family: var(--font-mono);
}

.page-home .svc__link:hover {
  color: var(--gold-deep);
  border-color: var(--gold-deep);
}

/* ---------- 03 收藏入口 ---------- */
.page-home .collect__wrap {
  display: grid;
  gap: clamp(1.75rem, 4vw, 3rem);
}

.page-home .collect__aside {
  display: grid;
  gap: .9rem;
}

.page-home .collect__aside .btn {
  justify-self: start;
}

.page-home .collect__title {
  font-size: var(--fs-sec);
  font-weight: 800;
}

.page-home .collect__note {
  font-size: .96rem;
  color: rgba(17, 22, 28, .72);
}

.page-home .collect__body {
  display: grid;
  gap: clamp(1.5rem, 3vw, 2.25rem);
}

.page-home .collect__group-title {
  margin-bottom: .6rem;
  padding-bottom: .55rem;
  border-bottom: 1px solid var(--ink);
  font-size: .74rem;
  letter-spacing: .16em;
  color: var(--mist);
}

.page-home .collect__list {
  display: grid;
}

.page-home .collect__list li {
  display: grid;
  grid-template-columns: 4.2rem minmax(0, 1fr);
  gap: .75rem;
  align-items: baseline;
  padding: .7rem 0;
  border-bottom: 1px solid var(--line-soft);
  font-size: .94rem;
}

.page-home .collect__code {
  font-size: .74rem;
  letter-spacing: .08em;
  color: var(--gold-deep);
}

.page-home .collect__name {
  color: var(--ink);
}

.page-home .collect__hint {
  margin-top: .8rem;
  font-size: .82rem;
  color: var(--mist);
}

/* ---------- 04 版本对照 ---------- */
.page-home .cmp__intro {
  max-width: 46rem;
  margin-bottom: clamp(1.25rem, 3vw, 2rem);
  color: rgba(17, 22, 28, .74);
}

.page-home .cmp__visual {
  margin: 0 0 clamp(1.5rem, 3vw, 2.25rem);
  border: 1px solid var(--line);
  background: var(--shell);
}

.page-home .cmp__visual img {
  width: 100%;
}

.page-home .cmp__table {
  border: 1px solid var(--line);
  background: var(--line-soft);
}

.page-home .cmp__head {
  display: none;
}

.page-home .cmp__row {
  display: grid;
  gap: 1px;
  border-bottom: 1px solid var(--line-soft);
}

.page-home .cmp__row:last-child {
  border-bottom: 0;
}

.page-home .cmp__row > * {
  padding: .8rem 1.05rem;
  background: var(--shell);
}

.page-home .cmp__row-label {
  background: rgba(14, 27, 42, .045);
  font-family: var(--font-mono);
  font-size: .74rem;
  letter-spacing: .1em;
  color: var(--mist);
}

.page-home .cmp__cell {
  font-size: .95rem;
  color: var(--ink);
}

.page-home .cmp__cell::before {
  content: attr(data-label);
  display: block;
  margin-bottom: .2rem;
  font-family: var(--font-mono);
  font-size: .68rem;
  letter-spacing: .1em;
  color: var(--mist);
}

.page-home .cmp__cell--old {
  color: rgba(17, 22, 28, .62);
}

.page-home .cmp__cell--new {
  background: var(--gold-wash);
  font-weight: 700;
  color: var(--ink);
}

.page-home .cmp__cta {
  margin-top: clamp(1.25rem, 3vw, 1.9rem);
}

/* ---------- 05 小屏导航 ---------- */
.page-home .mobile__wrap {
  display: grid;
  gap: clamp(1.75rem, 4vw, 3rem);
}

.page-home .mobile__visual {
  display: grid;
  gap: .8rem;
  justify-items: center;
}

.page-home .mobile__device {
  position: relative;
  width: 100%;
  max-width: 300px;
  padding: .95rem .7rem .7rem;
  border: 1.5px solid var(--ink);
  background: var(--shell);
}

.page-home .mobile__device::before {
  content: "";
  position: absolute;
  top: .38rem;
  left: 50%;
  width: 42px;
  height: 4px;
  transform: translateX(-50%);
  background: var(--line);
}

.page-home .mobile__device img {
  width: 100%;
  height: auto;
}

.page-home .mobile__caption {
  font-family: var(--font-mono);
  font-size: .72rem;
  letter-spacing: .06em;
  color: var(--mist);
  text-align: center;
}

.page-home .mobile__body {
  display: grid;
  gap: 1rem;
  align-content: start;
}

.page-home .mobile__body > p {
  max-width: 42rem;
  color: rgba(17, 22, 28, .74);
}

.page-home .mobile__steps {
  display: grid;
  border-top: 1px solid var(--line);
}

.page-home .mobile__steps li {
  display: grid;
  grid-template-columns: 2.6rem minmax(0, 1fr);
  gap: .9rem;
  align-items: baseline;
  padding: 1rem 0;
  border-bottom: 1px solid var(--line-soft);
}

.page-home .mobile__steps .mono {
  font-size: .78rem;
  letter-spacing: .14em;
  color: var(--gold-deep);
}

.page-home .mobile__steps p {
  font-size: .95rem;
  color: rgba(17, 22, 28, .8);
}

.page-home .mobile__note {
  padding-left: .9rem;
  border-left: 2px solid var(--gold);
  font-size: .86rem;
  color: var(--mist);
}

/* ---------- 06 维护节奏与联系 ---------- */
.page-home .rhythm__panel {
  display: grid;
  gap: clamp(1.6rem, 4vw, 3rem);
  padding: clamp(1.6rem, 4.5vw, 3.25rem);
  background: var(--ink);
  color: var(--invert);
}

.page-home .rhythm__lead {
  display: grid;
  gap: 1rem;
}

.page-home .rhythm__lead .sec-head__num {
  color: var(--gold);
}

.page-home .rhythm__lead .btn {
  justify-self: start;
}

.page-home .rhythm__title {
  font-size: var(--fs-sec);
  font-weight: 800;
  color: var(--invert);
}

.page-home .rhythm__lead > p {
  max-width: 40rem;
  color: rgba(251, 247, 239, .82);
}

.page-home .rhythm__facts {
  display: grid;
  border-top: 1px solid var(--line-invert);
}

.page-home .rhythm__facts li {
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  justify-content: space-between;
  gap: .4rem 1rem;
  padding: .85rem 0;
  border-bottom: 1px solid var(--line-invert);
}

.page-home .rhythm__facts .mono {
  font-size: 1.05rem;
  letter-spacing: .02em;
  color: var(--gold);
}

.page-home .rhythm__facts span:last-child {
  font-size: .85rem;
  color: rgba(251, 247, 239, .7);
}

.page-home .rhythm__contact {
  display: grid;
  gap: .9rem;
  justify-items: start;
  margin-top: clamp(1.25rem, 3vw, 2rem);
}

.page-home .rhythm__contact p {
  max-width: 52rem;
  font-size: .96rem;
  color: rgba(17, 22, 28, .74);
}

/* ---------- 响应式 ---------- */
@media (min-width: 640px) {
  .page-home .collect__body {
    grid-template-columns: minmax(0, 1.1fr) minmax(0, .9fr);
  }
}

@media (min-width: 760px) {
  .page-home .cmp__head,
  .page-home .cmp__row {
    display: grid;
    grid-template-columns: minmax(0, 1.05fr) minmax(0, 1fr) minmax(0, 1fr);
  }

  .page-home .cmp__head {
    background: var(--ink);
  }

  .page-home .cmp__head > * {
    padding: .85rem 1.1rem;
    font-family: var(--font-mono);
    font-size: .72rem;
    letter-spacing: .14em;
    color: var(--invert);
    background: var(--ink);
  }

  .page-home .cmp__head .cmp__col--new {
    color: var(--gold);
  }

  .page-home .cmp__row {
    gap: 1px;
  }

  .page-home .cmp__row > * {
    padding: .9rem 1.1rem;
  }

  .page-home .cmp__row > * + * {
    border-left: 1px solid var(--line-soft);
  }

  .page-home .cmp__cell::before {
    display: none;
  }
}

@media (min-width: 820px) {
  .page-home .svc__grid {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }
}

@media (min-width: 880px) {
  .page-home .mobile__wrap {
    grid-template-columns: minmax(0, .72fr) minmax(0, 1.28fr);
    gap: clamp(2rem, 5vw, 4.5rem);
    align-items: start;
  }

  .page-home .rhythm__panel {
    grid-template-columns: minmax(0, 1.3fr) minmax(0, 1fr);
    align-items: start;
  }
}

@media (min-width: 900px) {
  .page-home .hero__body {
    grid-template-columns: minmax(0, 1.06fr) minmax(0, .94fr);
    align-items: start;
  }

  .page-home .collect__wrap {
    grid-template-columns: minmax(0, .78fr) minmax(0, 1.22fr);
    gap: clamp(2rem, 5vw, 4.5rem);
    align-items: start;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-home *,
  .page-home *::before,
  .page-home *::after {
    transition-duration: .01ms !important;
    animation-duration: .01ms !important;
  }
}