.page-home {
  background: var(--paper);
  color: var(--ink);
  overflow-x: hidden;
}

.page-home .home-shell {
  box-sizing: border-box;
  width: 100%;
  max-width: var(--maxw);
  margin: 0 auto;
  padding: clamp(20px, 3vw, 34px) var(--gutter) clamp(48px, 7vw, 92px);
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 18px;
}

.page-home .home-breadcrumb {
  grid-column: 1 / -1;
  min-width: 0;
}

/* ---------- 侧边章节索引 ---------- */

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

.page-home .home-rail-label {
  margin: 0 0 10px;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: .2em;
  text-transform: uppercase;
  color: rgba(16, 24, 32, .48);
}

.page-home .home-rail .sticky-index {
  position: static;
  padding: 12px 14px;
  border: 1px solid var(--mist);
  border-radius: var(--radius);
  background: #FFFFFF;
  box-shadow: var(--shadow-paper);
}

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

.page-home .index-item {
  min-width: 0;
}

.page-home .index-link {
  display: block;
  padding: 7px 12px;
  border-radius: var(--pill);
  font-family: var(--font-head);
  font-size: 13px;
  line-height: 1.3;
  color: var(--navy);
  text-decoration: none;
  background: var(--paper);
  border: 1px solid transparent;
  transition: background-color .2s ease, border-color .2s ease, color .2s ease;
}

.page-home .index-link:hover,
.page-home .index-link:focus-visible {
  background: var(--pale-cyan);
  border-color: rgba(0, 212, 200, .5);
}

.page-home .index-link[aria-current="true"] {
  background: var(--pale-cyan);
  border-color: var(--cyan);
  color: var(--teal-deep);
  font-weight: 700;
}

/* ---------- 主流程 ---------- */

.page-home .home-flow {
  display: flex;
  flex-direction: column;
  gap: clamp(46px, 6.5vw, 88px);
  min-width: 0;
}

.page-home .home-flow > section {
  min-width: 0;
}

/* ---------- 01 甲板入口 ---------- */

.page-home .home-deck {
  position: relative;
  isolation: isolate;
  overflow: hidden;
  border-radius: var(--radius-xl);
  padding: clamp(26px, 3.8vw, 50px);
  color: var(--paper);
  background:
    radial-gradient(118% 122% at 92% 6%, rgba(0, 212, 200, .28) 0%, rgba(0, 212, 200, 0) 58%),
    linear-gradient(160deg, var(--navy) 0%, var(--navy-night) 100%);
  box-shadow: var(--shadow-panel);
}

.page-home .home-deck::before {
  content: "";
  position: absolute;
  inset: 0;
  z-index: 0;
  pointer-events: none;
  background-image:
    linear-gradient(to right, rgba(247, 245, 240, .07) 1px, transparent 1px),
    linear-gradient(to bottom, rgba(247, 245, 240, .07) 1px, transparent 1px);
  background-size: 52px 52px;
  -webkit-mask-image: linear-gradient(135deg, rgba(0, 0, 0, .9), transparent 74%);
  mask-image: linear-gradient(135deg, rgba(0, 0, 0, .9), transparent 74%);
}

.page-home .home-deck::after {
  content: "";
  position: absolute;
  right: -90px;
  bottom: -130px;
  z-index: 0;
  width: 420px;
  height: 420px;
  border-radius: 50%;
  pointer-events: none;
  background: radial-gradient(circle, rgba(255, 107, 74, .24), transparent 68%);
}

.page-home .deck-grid {
  position: relative;
  z-index: 1;
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: clamp(26px, 3.4vw, 46px);
  align-items: start;
}

.page-home .deck-eyebrow {
  color: var(--cyan);
  margin: 0;
}

.page-home .deck-title {
  margin: 12px 0 0;
  font-family: var(--font-head);
  font-weight: 800;
  font-size: clamp(30px, 5.4vw, 50px);
  line-height: 1.1;
  letter-spacing: .01em;
  color: #FFFFFF;
}

.page-home .deck-lead {
  margin: 18px 0 0;
  max-width: 46em;
  color: rgba(247, 245, 240, .84);
  font-family: var(--font-body);
  line-height: 1.85;
}

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

.page-home .deck-visual {
  display: flex;
  flex-direction: column;
  gap: 16px;
  min-width: 0;
}

.page-home .deck-media {
  border-radius: var(--radius-lg);
  overflow: hidden;
  border: 1px solid rgba(0, 212, 200, .32);
  background: rgba(6, 26, 46, .5);
  box-shadow: var(--shadow-panel);
}

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

.page-home .home-capsule {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  align-self: flex-start;
  padding: 11px 18px 11px 15px;
  border-radius: var(--pill);
  border: 1px solid rgba(0, 212, 200, .48);
  background: rgba(6, 26, 46, .62);
  color: var(--paper);
  text-decoration: none;
  font-family: var(--font-head);
  font-size: 13px;
  line-height: 1.35;
  transition: transform .25s ease, border-color .25s ease, background-color .25s ease, box-shadow .25s ease;
}

.page-home .home-capsule:hover,
.page-home .home-capsule:focus-visible {
  transform: translateY(-2px);
  border-color: var(--cyan);
  background: rgba(0, 212, 200, .18);
  box-shadow: var(--shadow-cyan);
}

.page-home .home-capsule-dot {
  flex: 0 0 auto;
  width: 9px;
  height: 9px;
  border-radius: 50%;
  background: var(--cyan);
  box-shadow: 0 0 0 4px rgba(0, 212, 200, .2);
}

.page-home .home-capsule-label {
  color: rgba(247, 245, 240, .74);
}

.page-home .home-capsule-strong {
  font-weight: 700;
  color: #FFFFFF;
}

/* ---------- 02 案例合集 ---------- */

.page-home .cases-head {
  display: grid;
  grid-template-columns: auto minmax(0, 1fr);
  column-gap: clamp(14px, 2.4vw, 26px);
  row-gap: 8px;
  align-items: start;
  padding-bottom: 22px;
  border-bottom: 1px solid var(--mist);
  margin-bottom: 22px;
}

.page-home .cases-head .big-index {
  grid-row: 1 / span 3;
  color: rgba(11, 42, 74, .16);
}

.page-home .cases-head .eyebrow {
  margin: 4px 0 0;
}

.page-home .cases-head .section-title {
  margin: 0;
  color: var(--navy);
}

.page-home .cases-lead {
  margin: 4px 0 0;
  max-width: 58em;
  font-family: var(--font-body);
  line-height: 1.85;
  color: rgba(16, 24, 32, .78);
}

.page-home .cases-filter {
  margin-bottom: 26px;
}

.page-home .cases-columns {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 26px;
  align-items: start;
}

.page-home .case-col {
  position: relative;
  display: flex;
  flex-direction: column;
  gap: 16px;
  padding-top: 18px;
  min-width: 0;
}

.page-home .case-col::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  width: 44px;
  height: 3px;
  border-radius: 3px;
  background: var(--cyan);
}

.page-home .case-col:nth-child(2)::before {
  background: var(--coral);
}

.page-home .case-col:nth-child(3)::before {
  background: var(--navy);
}

.page-home .case-card {
  padding: 20px 20px 18px;
  border: 1px solid var(--mist);
  border-radius: var(--radius-lg);
  background: #FFFFFF;
  box-shadow: var(--shadow-paper);
  transition: transform .25s ease, border-color .25s ease, box-shadow .25s ease;
}

.page-home .case-card:hover {
  transform: translateY(-3px);
  border-color: rgba(0, 212, 200, .55);
  box-shadow: var(--shadow-panel);
}

.page-home .case-card-title {
  margin: 14px 0 8px;
  font-family: var(--font-head);
  font-size: 18px;
  font-weight: 700;
  line-height: 1.4;
  color: var(--navy);
}

.page-home .case-card-text {
  margin: 0 0 14px;
  font-family: var(--font-body);
  font-size: 15px;
  line-height: 1.78;
  color: rgba(16, 24, 32, .76);
}

.page-home .case-meta {
  list-style: none;
  margin: 0;
  padding: 12px 0 0;
  border-top: 1px dashed var(--mist);
  display: grid;
  gap: 6px;
}

.page-home .case-meta li {
  display: flex;
  justify-content: space-between;
  align-items: baseline;
  gap: 12px;
  font-size: 13px;
  line-height: 1.5;
}

.page-home .case-meta span {
  flex: 0 0 auto;
  color: rgba(16, 24, 32, .52);
  font-family: var(--font-head);
}

.page-home .case-meta strong {
  min-width: 0;
  text-align: right;
  font-family: var(--font-mono);
  font-weight: 600;
  color: var(--teal-deep);
}

.page-home .cases-footnote {
  margin: 28px 0 0;
  padding: 14px 18px;
  border-left: 3px solid var(--coral);
  border-radius: 0 var(--radius) var(--radius) 0;
  background: var(--soft-coral);
  font-family: var(--font-body);
  font-size: 15px;
  line-height: 1.75;
  color: rgba(16, 24, 32, .8);
}

/* ---------- 03 回访与跨端 ---------- */

.page-home .home-returning {
  border-radius: var(--radius-xl);
  border: 1px solid var(--mist);
  padding: clamp(26px, 3.8vw, 48px);
  background: linear-gradient(152deg, var(--pale-cyan) 0%, var(--paper) 64%);
}

.page-home .returning-grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 28px;
  align-items: center;
}

.page-home .returning-copy {
  min-width: 0;
}

.page-home .returning-copy .big-index {
  color: rgba(6, 94, 90, .22);
}

.page-home .returning-copy .eyebrow {
  margin: 0;
}

.page-home .returning-copy .section-title {
  margin: 8px 0 0;
  color: var(--navy);
}

.page-home .returning-text {
  margin: 16px 0 0;
  font-family: var(--font-body);
  font-size: 16px;
  line-height: 1.88;
  color: rgba(16, 24, 32, .78);
}

.page-home .returning-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 26px;
}

.page-home .returning-media {
  min-width: 0;
}

.page-home .returning-media .media-frame {
  display: block;
  border-radius: var(--radius-lg);
  overflow: hidden;
  border: 1px solid rgba(11, 42, 74, .14);
  background: #FFFFFF;
  box-shadow: var(--shadow-panel);
}

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

/* ---------- 04 三端与节奏 ---------- */

.page-home .devices-head {
  display: grid;
  grid-template-columns: auto minmax(0, 1fr);
  column-gap: clamp(14px, 2.4vw, 26px);
  row-gap: 8px;
  align-items: start;
  margin-bottom: 26px;
}

.page-home .devices-head .big-index {
  grid-row: 1 / span 3;
  color: rgba(11, 42, 74, .16);
}

.page-home .devices-head .eyebrow {
  margin: 4px 0 0;
}

.page-home .devices-head .section-title {
  margin: 0;
  color: var(--navy);
}

.page-home .devices-lead {
  margin: 4px 0 0;
  max-width: 52em;
  font-family: var(--font-body);
  line-height: 1.85;
  color: rgba(16, 24, 32, .76);
}

.page-home .device-grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 18px;
}

.page-home .device-card {
  display: flex;
  flex-direction: column;
  gap: 10px;
  padding: 26px 22px 22px;
  border: 1px solid var(--mist);
  border-radius: var(--radius-lg);
  background: #FFFFFF;
  box-shadow: var(--shadow-paper);
}

.page-home .device-card h3 {
  margin: 0;
  font-family: var(--font-head);
  font-size: 19px;
  font-weight: 700;
  color: var(--navy);
}

.page-home .device-card p {
  margin: 0;
  font-family: var(--font-body);
  font-size: 15px;
  line-height: 1.8;
  color: rgba(16, 24, 32, .76);
}

.page-home .device-meta {
  margin-top: auto;
  padding-top: 12px;
  border-top: 1px dashed var(--mist);
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: .05em;
  color: var(--teal-deep);
}

.page-home .device-card--deep {
  border-color: transparent;
  background: linear-gradient(158deg, var(--navy) 0%, var(--navy-night) 100%);
  color: var(--paper);
}

.page-home .device-card--deep h3 {
  color: #FFFFFF;
}

.page-home .device-card--deep p {
  color: rgba(247, 245, 240, .8);
}

.page-home .device-card--deep .device-meta {
  border-top-color: rgba(247, 245, 240, .24);
  color: var(--cyan);
}

.page-home .rhythm-band {
  margin-top: 26px;
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 24px;
  align-items: center;
  padding: clamp(20px, 2.8vw, 32px);
  border-radius: var(--radius-xl);
  color: var(--paper);
  background:
    radial-gradient(110% 130% at 12% 100%, rgba(0, 212, 200, .2) 0%, rgba(0, 212, 200, 0) 62%),
    linear-gradient(150deg, var(--navy) 0%, var(--navy-night) 100%);
  box-shadow: var(--shadow-panel);
}

.page-home .rhythm-media {
  min-width: 0;
}

.page-home .rhythm-media .media-frame {
  display: block;
  border-radius: var(--radius-lg);
  overflow: hidden;
  border: 1px solid rgba(0, 212, 200, .3);
  background: rgba(6, 26, 46, .5);
}

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

.page-home .rhythm-copy {
  min-width: 0;
}

.page-home .rhythm-copy h3 {
  margin: 0 0 14px;
  font-family: var(--font-head);
  font-size: clamp(20px, 2.6vw, 26px);
  font-weight: 700;
  color: #FFFFFF;
}

.page-home .rhythm-copy p {
  margin: 0 0 12px;
  font-family: var(--font-body);
  font-size: 15px;
  line-height: 1.85;
  color: rgba(247, 245, 240, .8);
}

.page-home .rhythm-link {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  margin-top: 6px;
  padding-bottom: 2px;
  font-family: var(--font-head);
  font-size: 14px;
  font-weight: 700;
  color: var(--cyan);
  text-decoration: none;
  border-bottom: 1px solid rgba(0, 212, 200, .5);
  transition: color .2s ease, border-color .2s ease;
}

.page-home .rhythm-link:hover,
.page-home .rhythm-link:focus-visible {
  color: #FFFFFF;
  border-bottom-color: #FFFFFF;
}

/* ---------- 05 接下来 ---------- */

.page-home .home-next {
  position: relative;
  isolation: isolate;
  overflow: hidden;
  border-radius: var(--radius-xl);
  padding: clamp(28px, 4vw, 52px);
  color: var(--paper);
  background: linear-gradient(146deg, var(--navy-night) 0%, var(--navy) 100%);
  box-shadow: var(--shadow-panel);
}

.page-home .next-texture {
  position: absolute;
  inset: 0;
  z-index: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  opacity: .14;
  pointer-events: none;
}

.page-home .next-inner {
  position: relative;
  z-index: 1;
}

.page-home .next-eyebrow {
  margin: 0;
  color: var(--coral);
}

.page-home .next-title {
  margin: 10px 0 0;
  font-family: var(--font-head);
  font-size: clamp(22px, 3.2vw, 32px);
  font-weight: 800;
  line-height: 1.25;
  color: #FFFFFF;
}

.page-home .next-links {
  list-style: none;
  margin: 26px 0 0;
  padding: 0;
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 12px;
}

.page-home .next-links li {
  min-width: 0;
}

.page-home .next-links a {
  display: flex;
  flex-direction: column;
  gap: 4px;
  padding: 15px 18px;
  border-radius: var(--radius);
  border: 1px solid rgba(247, 245, 240, .2);
  text-decoration: none;
  transition: transform .25s ease, border-color .25s ease, background-color .25s ease;
}

.page-home .next-links a:hover,
.page-home .next-links a:focus-visible {
  transform: translateY(-2px);
  border-color: var(--cyan);
  background: rgba(0, 212, 200, .12);
}

.page-home .next-links strong {
  font-family: var(--font-head);
  font-size: 16px;
  font-weight: 700;
  color: #FFFFFF;
}

.page-home .next-links em {
  font-style: normal;
  font-family: var(--font-body);
  font-size: 14px;
  line-height: 1.6;
  color: rgba(247, 245, 240, .68);
}

.page-home .next-contact {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 10px 14px;
  margin-top: 28px;
  padding-top: 20px;
  border-top: 1px solid rgba(247, 245, 240, .2);
}

.page-home .next-contact-label {
  font-family: var(--font-head);
  font-size: 13px;
  color: rgba(247, 245, 240, .62);
}

.page-home .next-contact-value {
  font-family: var(--font-mono);
  font-size: 14px;
  color: #FFFFFF;
  word-break: break-all;
}

/* ---------- 断点 ---------- */

@media (min-width: 720px) {
  .page-home .next-links {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 12px 20px;
  }
}

@media (min-width: 820px) {
  .page-home .cases-columns {
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 18px;
  }
}

@media (min-width: 860px) {
  .page-home .deck-grid {
    grid-template-columns: minmax(0, 1.12fr) minmax(0, .88fr);
  }

  .page-home .returning-grid {
    grid-template-columns: minmax(0, 1.06fr) minmax(0, .94fr);
    gap: 44px;
  }

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

  .page-home .rhythm-band {
    grid-template-columns: minmax(0, .96fr) minmax(0, 1.04fr);
    gap: 34px;
  }
}

@media (min-width: 1080px) {
  .page-home .home-shell {
    grid-template-columns: 168px minmax(0, 1fr);
    column-gap: 44px;
    row-gap: 22px;
  }

  .page-home .home-rail .sticky-index {
    position: sticky;
    top: calc(var(--header-h) + 22px);
    padding: 16px 14px;
  }

  .page-home .home-rail-label {
    padding-left: 12px;
  }

  .page-home .index-list {
    flex-direction: column;
    flex-wrap: nowrap;
    gap: 3px;
  }

  .page-home .index-link {
    border-radius: 0 var(--radius-sm) var(--radius-sm) 0;
    border-left: 2px solid transparent;
    border-top: 1px solid transparent;
    border-right: 1px solid transparent;
    border-bottom: 1px solid transparent;
    background: transparent;
    padding: 8px 10px;
  }

  .page-home .index-link:hover,
  .page-home .index-link:focus-visible {
    background: var(--pale-cyan);
    border-color: transparent;
    border-left-color: rgba(0, 212, 200, .6);
  }

  .page-home .index-link[aria-current="true"] {
    background: var(--pale-cyan);
    border-color: transparent;
    border-left-color: var(--cyan);
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-home .home-capsule,
  .page-home .case-card,
  .page-home .next-links a,
  .page-home .index-link,
  .page-home .rhythm-link {
    transition: none;
  }

  .page-home .home-capsule:hover,
  .page-home .case-card:hover,
  .page-home .next-links a:hover {
    transform: none;
  }
}