.page-home {
  --home-band-gap: clamp(22px, 3.4vw, 38px);
  --home-card-gap: clamp(14px, 2.4vw, 22px);
  display: block;
  overflow-x: clip;
  color: var(--deep-sea);
  font-family: var(--font-sans);
}

/* ---------- 首屏封面 ---------- */
.page-home .cover {
  position: relative;
  overflow: hidden;
  padding: clamp(46px, 8vw, 90px) 0 clamp(34px, 5vw, 60px);
  color: var(--sand);
  background:
    radial-gradient(115% 85% at 86% 8%, rgba(30, 138, 138, .58), transparent 60%),
    radial-gradient(90% 70% at 6% 96%, rgba(255, 107, 74, .22), transparent 62%),
    linear-gradient(158deg, var(--night) 0%, var(--deep-sea) 58%, #103c5d 100%);
}

.page-home .cover::after {
  content: "";
  position: absolute;
  inset: 0;
  pointer-events: none;
  background-image: repeating-linear-gradient(115deg, rgba(245, 240, 232, .05) 0 1px, transparent 1px 46px);
  opacity: .7;
}

.page-home .cover__grid {
  position: relative;
  z-index: 1;
  display: grid;
  gap: clamp(30px, 5vw, 56px);
  align-items: center;
}

.page-home .cover__text h1 {
  margin: 12px 0 0;
  font-family: var(--font-serif);
  font-weight: 700;
  font-size: clamp(2.15rem, 6.2vw, 4.2rem);
  line-height: 1.08;
  letter-spacing: -.01em;
  color: var(--moon);
}

.page-home .cover__text .lede {
  margin: 20px 0 0;
  max-width: 60ch;
  font-size: clamp(1rem, 2vw, 1.12rem);
  line-height: 1.9;
  color: var(--mist);
}

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

.page-home .cover__media {
  position: relative;
  margin: 0;
  border-radius: var(--radius-card);
  border: 1px solid rgba(217, 226, 232, .3);
  overflow: hidden;
  box-shadow: var(--shadow-lift);
  background: linear-gradient(150deg, var(--deep-sea), var(--tide));
}

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

.page-home .cover__media figcaption {
  position: absolute;
  right: 14px;
  bottom: 14px;
  padding: 7px 14px;
  border-radius: var(--radius-pill);
  background: rgba(6, 26, 43, .82);
  border: 1px solid rgba(30, 138, 138, .5);
  font-size: .76rem;
  letter-spacing: .08em;
  color: var(--sand);
}

.page-home .cover__index {
  position: relative;
  z-index: 1;
  list-style: none;
  margin: clamp(34px, 5vw, 56px) 0 0;
  padding: 0;
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 1px;
  border: 1px solid rgba(217, 226, 232, .24);
  border-radius: var(--radius-card);
  overflow: hidden;
  background: rgba(217, 226, 232, .24);
}

.page-home .cover__index > li {
  display: flex;
  flex-direction: column;
  gap: 6px;
  padding: 16px 18px;
  background: rgba(6, 26, 43, .74);
}

.page-home .cover__index-num {
  font-family: var(--font-mono);
  font-size: clamp(1.15rem, 3.2vw, 1.6rem);
  line-height: 1.15;
  color: var(--coral);
}

.page-home .cover__index-label {
  font-size: .78rem;
  letter-spacing: .09em;
  color: var(--mist);
}

/* ---------- 通用章节排布 ---------- */
.page-home .section__lede {
  max-width: 62ch;
  margin: 0 0 var(--home-band-gap);
  font-size: clamp(1rem, 1.8vw, 1.08rem);
  line-height: 1.9;
  color: var(--steel);
}

.page-home .section--sand .section__lede {
  color: #43566a;
}

.page-home .section-band {
  display: flex;
  align-items: baseline;
  flex-wrap: wrap;
  gap: 10px 16px;
  margin-bottom: clamp(18px, 3vw, 28px);
}

.page-home .section-band__num {
  flex: none;
  padding: 3px 10px;
  border: 1px solid currentColor;
  border-radius: var(--radius-pill);
  font-family: var(--font-mono);
  font-size: .82rem;
  letter-spacing: .12em;
  color: var(--coral);
}

.page-home .section-band__title {
  margin: 0;
  font-family: var(--font-serif);
  font-weight: 600;
  font-size: clamp(1.5rem, 3.6vw, 2.4rem);
  line-height: 1.18;
  color: var(--deep-sea);
}

.page-home .section-band__rule {
  flex: 1 1 60px;
  height: 2px;
  min-width: 40px;
  background: linear-gradient(90deg, var(--tide), rgba(30, 138, 138, 0));
}

/* ---------- 01 服务版图 ---------- */
.page-home .flow-line {
  list-style: none;
  margin: 0 0 var(--home-band-gap);
  padding: 0;
  display: grid;
  gap: 8px;
  max-width: 860px;
}

.page-home .flow-line > li {
  position: relative;
  display: grid;
  grid-template-columns: minmax(72px, auto) 1fr;
  align-items: baseline;
  gap: 4px 18px;
  padding: 15px 18px 15px 24px;
  border: 1px solid var(--mist);
  border-radius: 10px;
  background: var(--moon);
}

.page-home .flow-line > li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0;
  bottom: 0;
  width: 4px;
  border-radius: 10px 0 0 10px;
  background: linear-gradient(180deg, var(--tide), var(--coral));
}

.page-home .flow-line__num {
  font-family: var(--font-mono);
  font-size: clamp(1.3rem, 3.4vw, 1.75rem);
  line-height: 1.1;
  color: var(--deep-sea);
}

.page-home .flow-line__label {
  font-size: .95rem;
  color: var(--steel);
}

.page-home .footprint p {
  margin: 0 0 14px;
  max-width: 68ch;
  font-size: 1rem;
  line-height: 1.9;
  color: #3d5062;
}

.page-home .footprint__link {
  display: inline-block;
  margin-top: 6px;
  padding-bottom: 3px;
  border-bottom: 2px solid var(--coral);
  color: var(--deep-sea);
  font-size: .95rem;
  font-weight: 600;
  text-decoration: none;
}

.page-home .footprint__link:hover,
.page-home .footprint__link:focus-visible {
  color: var(--coral-deep);
}

/* ---------- 02 渠道与起订数量 ---------- */
.page-home .compare {
  display: grid;
  gap: clamp(30px, 4.5vw, 46px);
  margin-top: clamp(28px, 4vw, 42px);
}

.page-home .compare__title {
  margin: 0 0 16px;
  padding-bottom: 10px;
  border-bottom: 2px solid var(--mist);
  font-family: var(--font-serif);
  font-weight: 600;
  font-size: clamp(1.12rem, 2.4vw, 1.42rem);
  color: var(--deep-sea);
}

.page-home .table-wrap {
  overflow-x: auto;
  border: 1px solid var(--mist);
  border-radius: 12px;
}

.page-home .data-table {
  width: 100%;
  min-width: 480px;
  border-collapse: collapse;
  background: var(--moon);
  font-size: .94rem;
}

.page-home .data-table th,
.page-home .data-table td {
  padding: 13px 15px;
  text-align: left;
  border-bottom: 1px solid var(--mist);
  vertical-align: top;
}

.page-home .data-table thead th {
  background: var(--deep-sea);
  color: var(--moon);
  font-size: .76rem;
  font-weight: 600;
  letter-spacing: .1em;
  white-space: nowrap;
}

.page-home .data-table tbody th {
  font-weight: 600;
  color: var(--deep-sea);
}

.page-home .data-table tbody td {
  color: var(--steel);
}

.page-home .data-table tbody tr:hover {
  background: rgba(30, 138, 138, .09);
}

.page-home .data-table tbody tr:last-child th,
.page-home .data-table tbody tr:last-child td {
  border-bottom: 0;
}

.page-home .data-table td.is-range {
  font-family: var(--font-mono);
  font-size: 1.02rem;
  color: var(--coral-deep);
  white-space: nowrap;
}

.page-home .tiers {
  list-style: none;
  margin: 0 0 clamp(28px, 4vw, 38px);
  padding: 0;
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(122px, 1fr));
  gap: 10px;
}

.page-home .tiers > li {
  display: flex;
  flex-direction: column;
  gap: 4px;
  padding: 14px 12px;
  border: 1px solid var(--mist);
  border-top: 3px solid var(--tide);
  border-radius: 10px;
  background: var(--moon);
}

.page-home .tiers__num {
  font-family: var(--font-mono);
  font-size: clamp(1.35rem, 3.6vw, 1.75rem);
  line-height: 1.1;
  color: var(--deep-sea);
}

.page-home .tiers__unit {
  font-size: .76rem;
  letter-spacing: .08em;
  color: var(--steel);
}

.page-home .tiers__note {
  margin-top: 6px;
  font-size: .84rem;
  line-height: 1.6;
  color: var(--steel);
}

.page-home .panel-list {
  display: grid;
  gap: 8px;
}

.page-home .panel {
  border: 1px solid var(--mist);
  border-radius: 10px;
  background: var(--moon);
  overflow: hidden;
}

.page-home .panel__trigger {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 14px;
  width: 100%;
  padding: 14px 16px;
  border: 0;
  background: transparent;
  cursor: pointer;
  text-align: left;
  font-family: var(--font-sans);
  font-size: .95rem;
  font-weight: 600;
  color: var(--deep-sea);
}

.page-home .panel__trigger::after {
  content: "+";
  flex: none;
  font-family: var(--font-mono);
  font-size: 1.1rem;
  color: var(--coral);
  transition: transform .25s var(--ease);
}

.page-home .panel__trigger[aria-expanded="true"]::after {
  content: "−";
}

.page-home .panel__trigger:hover {
  background: rgba(30, 138, 138, .07);
}

.page-home .panel__content {
  padding: 0 16px 16px;
  font-size: .92rem;
  line-height: 1.8;
  color: var(--steel);
}

/* ---------- 03 客户端 ---------- */
.page-home .home-client {
  background: linear-gradient(168deg, var(--deep-sea) 0%, var(--night) 100%);
  color: var(--sand);
}

.page-home .home-client .section-band__title {
  color: var(--moon);
}

.page-home .home-client .section-band__rule {
  background: linear-gradient(90deg, var(--coral), rgba(255, 107, 74, 0));
}

.page-home .client-grid {
  display: grid;
  gap: clamp(28px, 4.5vw, 50px);
}

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

.page-home .media-frame {
  position: relative;
  overflow: hidden;
  border-radius: var(--radius-card);
  border: 1px solid var(--mist);
  background: linear-gradient(150deg, var(--deep-sea), var(--tide));
}

.page-home .media-frame img {
  display: block;
  width: 100%;
  height: auto;
  object-fit: cover;
}

.page-home .media__caption {
  padding: 10px 2px 0;
  font-size: .82rem;
  letter-spacing: .04em;
  color: var(--steel);
}

.page-home .home-client .media-frame {
  border-color: rgba(217, 226, 232, .24);
  box-shadow: var(--shadow-lift);
}

.page-home .home-client .media__caption {
  color: var(--mist);
}

.page-home .client-info__title {
  margin: 0 0 14px;
  font-family: var(--font-serif);
  font-weight: 600;
  font-size: clamp(1.3rem, 3vw, 1.75rem);
  line-height: 1.25;
  color: var(--moon);
}

.page-home .client-info p {
  margin: 0 0 22px;
  max-width: 58ch;
  font-size: 1rem;
  line-height: 1.9;
  color: var(--mist);
}

.page-home .client-figures {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 12px;
  margin-bottom: 26px;
}

.page-home .client-figure {
  display: flex;
  flex-direction: column;
  gap: 4px;
  padding: 16px 18px;
  border: 1px solid rgba(217, 226, 232, .22);
  border-radius: 12px;
  background: rgba(6, 26, 43, .5);
}

.page-home .client-figure__num {
  font-family: var(--font-mono);
  font-size: clamp(1.4rem, 4vw, 2rem);
  line-height: 1.1;
  color: var(--coral);
}

.page-home .client-figure__label {
  font-size: .8rem;
  letter-spacing: .08em;
  color: var(--mist);
}

.page-home .client-info__sub {
  margin: 0 0 10px;
  font-size: .84rem;
  font-weight: 600;
  letter-spacing: .12em;
  color: var(--mist);
}

.page-home .req-list {
  list-style: none;
  margin: 0 0 26px;
  padding: 0;
  display: grid;
  gap: 1px;
  border: 1px solid rgba(217, 226, 232, .22);
  border-radius: 10px;
  overflow: hidden;
  background: rgba(217, 226, 232, .18);
}

.page-home .req-list > li {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 14px;
  padding: 11px 15px;
  background: rgba(6, 26, 43, .6);
  font-size: .9rem;
}

.page-home .req-list__os {
  color: var(--moon);
  font-weight: 600;
}

.page-home .req-list__ver {
  font-family: var(--font-mono);
  color: var(--tide);
}

.page-home .client-actions,
.page-home .support-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
}

/* ---------- 04 校对与咨询 ---------- */
.page-home .section--night {
  background: var(--night);
  color: var(--sand);
}

.page-home .section--night .section-band__title {
  color: var(--moon);
}

.page-home .support-grid {
  display: grid;
  gap: clamp(28px, 4.5vw, 48px);
}

.page-home .support__lede {
  margin: 0 0 clamp(24px, 3.5vw, 32px);
  max-width: 58ch;
  color: var(--mist);
}

.page-home .quarter-track {
  list-style: none;
  margin: 0 0 clamp(24px, 3.5vw, 32px);
  padding: 0;
  display: grid;
  gap: 14px;
}

.page-home .quarter-track > li {
  position: relative;
  padding-left: 26px;
  font-size: .92rem;
  line-height: 1.65;
  color: var(--sand);
}

.page-home .quarter-track > li::before {
  content: "";
  position: absolute;
  left: 0;
  top: .45em;
  width: 11px;
  height: 11px;
  border-radius: 50%;
  background: var(--coral);
  box-shadow: 0 0 0 4px rgba(255, 107, 74, .18);
}

.page-home .support__note {
  margin: 0 0 26px;
  max-width: 58ch;
  font-size: .94rem;
  line-height: 1.85;
  color: var(--mist);
}

.page-home .support-grid .media-frame {
  border-color: rgba(217, 226, 232, .22);
}

.page-home .support-grid .media__caption {
  color: var(--mist);
}

/* ---------- 滚动显现 ---------- */
.has-js .page-home [data-reveal] {
  opacity: 0;
  transform: translateY(18px);
  transition: opacity .55s var(--ease), transform .55s var(--ease);
}

.has-js .page-home [data-reveal].is-in {
  opacity: 1;
  transform: none;
}

@media (prefers-reduced-motion: reduce) {
  .has-js .page-home [data-reveal] {
    opacity: 1;
    transform: none;
    transition: none;
  }
}

/* ---------- 断点 ---------- */
@media (min-width: 720px) {
  .page-home .cover__index {
    grid-template-columns: repeat(4, minmax(0, 1fr));
  }

  .page-home .cover__index > li {
    padding: 20px 22px;
  }

  .page-home .quarter-track {
    grid-template-columns: repeat(4, minmax(0, 1fr));
    gap: 18px;
  }

  .page-home .quarter-track > li {
    padding-left: 0;
    padding-top: 26px;
  }

  .page-home .quarter-track > li::before {
    top: 0;
    left: 0;
  }

  .page-home .quarter-track > li::after {
    content: "";
    position: absolute;
    top: 5px;
    left: 22px;
    right: 6px;
    height: 1px;
    background: linear-gradient(90deg, rgba(255, 107, 74, .55), rgba(217, 226, 232, .12));
  }

  .page-home .quarter-track > li:last-child::after {
    display: none;
  }
}

@media (min-width: 900px) {
  .page-home .cover__grid {
    grid-template-columns: minmax(0, 1.08fr) minmax(0, 1fr);
  }

  .page-home .compare {
    grid-template-columns: minmax(0, 1.18fr) minmax(0, 1fr);
    align-items: start;
  }

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

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

  .page-home .media-frame--wide {
    margin-bottom: clamp(32px, 4.5vw, 48px);
  }
}