.page-home {
  overflow-x: clip;
  position: relative;
}

/* ============ 封面首屏 ============ */
.page-home .hero {
  position: relative;
  min-height: min(94vh, 900px);
  display: flex;
  align-items: flex-end;
  padding: calc(var(--header-h) + 56px) 0 clamp(44px, 7vw, 88px);
  isolation: isolate;
  overflow: hidden;
}

.page-home .hero__bg {
  position: absolute;
  inset: 0;
  z-index: 0;
}

.page-home .hero__bg img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  opacity: 0.46;
}

.page-home .hero__veil {
  position: absolute;
  inset: 0;
  z-index: 1;
  background:
    radial-gradient(120% 82% at 78% 10%, rgba(162, 91, 255, 0.26), transparent 62%),
    radial-gradient(94% 70% at 8% 84%, rgba(53, 224, 214, 0.16), transparent 64%),
    linear-gradient(180deg, rgba(7, 10, 20, 0.36) 0%, rgba(7, 10, 20, 0.84) 58%, var(--ink) 100%);
}

.page-home .hero__inner {
  position: relative;
  z-index: 2;
  width: 100%;
}

.page-home .hero__kicker {
  margin: 0 0 18px;
  font-size: 12px;
  letter-spacing: 0.22em;
  color: var(--mist);
  text-transform: uppercase;
}

.page-home .hero__title {
  margin: 0 0 clamp(18px, 2.4vw, 28px);
  font-size: clamp(56px, 15vw, 172px);
  font-weight: 900;
  line-height: 0.9;
  letter-spacing: -0.035em;
  color: var(--paper);
  display: flex;
  flex-direction: column;
}

.page-home .hero__title span {
  padding-left: 0.06em;
  background: linear-gradient(96deg, var(--cyan) 4%, var(--violet) 52%, var(--flag-yellow) 96%);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}

.page-home .hero__lede {
  margin: 0;
  max-width: 34em;
  font-size: clamp(15px, 1.6vw, 18px);
  line-height: 1.85;
  color: var(--paper);
  opacity: 0.88;
}

.page-home .hero__flag {
  height: 3px;
  width: min(320px, 54%);
  margin: clamp(22px, 3vw, 34px) 0 0;
  border-radius: 999px;
  background: linear-gradient(90deg, var(--flag-blue), var(--paper) 22%, var(--flag-red) 44%, var(--flag-green) 66%, var(--flag-yellow) 86%, var(--cyan));
  opacity: 0.78;
}

.page-home .hero__acts {
  margin-top: clamp(22px, 3vw, 34px);
}

.page-home .hero__index {
  list-style: none;
  margin: clamp(32px, 4.6vw, 56px) 0 0;
  padding: 0;
  display: grid;
  gap: 1px;
  background: var(--line);
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
}

.page-home .hero__index li {
  background: rgba(7, 10, 20, 0.74);
}

.page-home .hero__index a {
  display: flex;
  flex-direction: column;
  gap: 6px;
  padding: 15px 16px;
  color: var(--paper);
  text-decoration: none;
  font-size: 14px;
  letter-spacing: 0.03em;
  transition: background 0.28s var(--ease), color 0.28s var(--ease);
}

.page-home .hero__index a:hover,
.page-home .hero__index a:focus-visible {
  background: rgba(36, 26, 70, 0.7);
  color: var(--cyan);
}

.page-home .hero__row {
  display: flex;
  align-items: baseline;
  gap: 12px;
}

.page-home .hero__row .mono {
  font-size: 12px;
  letter-spacing: 0.12em;
  color: var(--flag-yellow);
}

.page-home .hero__preview {
  display: none;
  font-size: 12px;
  line-height: 1.6;
  color: var(--mist);
}

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

@media (min-width: 1080px) {
  .page-home .hero__index {
    grid-template-columns: repeat(4, minmax(0, 1fr));
  }

  .page-home .hero__preview {
    display: block;
    max-height: 0;
    opacity: 0;
    overflow: hidden;
    transition: max-height 0.32s var(--ease), opacity 0.32s var(--ease);
  }

  .page-home .hero__index a:hover .hero__preview,
  .page-home .hero__index a:focus-visible .hero__preview {
    max-height: 44px;
    opacity: 1;
  }
}

/* ============ 通用区块节奏 ============ */
.page-home .duo,
.page-home .mob,
.page-home .back,
.page-home .biz,
.page-home .rhythm {
  position: relative;
  padding: clamp(56px, 9vw, 112px) 0;
}

.page-home .duo::before,
.page-home .biz::before {
  content: "";
  position: absolute;
  inset: 0;
  pointer-events: none;
  background: radial-gradient(70% 60% at 88% 12%, rgba(162, 91, 255, 0.14), transparent 68%);
}

/* ============ 01 双端 ============ */
.page-home .duo__grid {
  display: grid;
  gap: clamp(28px, 4vw, 56px);
}

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

.page-home .duo__compare {
  display: grid;
  gap: 14px;
  margin-top: clamp(24px, 3vw, 36px);
}

.page-home .duo__col {
  border: 1px solid var(--line);
  border-radius: var(--radius-md);
  padding: clamp(20px, 2.6vw, 28px);
  background: linear-gradient(158deg, rgba(46, 95, 168, 0.24), rgba(7, 10, 20, 0.62));
  box-shadow: var(--shadow-soft);
  transition: transform 0.3s var(--ease), border-color 0.3s var(--ease);
}

.page-home .duo__col--alt {
  background: linear-gradient(158deg, rgba(184, 56, 74, 0.2), rgba(7, 10, 20, 0.62));
}

.page-home .duo__col:hover {
  transform: translateY(-4px);
  border-color: var(--line-strong);
}

.page-home .duo__col h3 {
  margin: 0 0 10px;
  font-size: 17px;
  font-weight: 700;
  letter-spacing: 0.03em;
  color: var(--paper);
}

.page-home .duo__col p {
  margin: 0 0 16px;
  font-size: 15px;
  line-height: 1.85;
  color: var(--mist);
}

.page-home .duo__col a {
  font-size: 14px;
  color: var(--cyan);
  text-decoration: none;
  border-bottom: 1px solid rgba(53, 224, 214, 0.42);
  padding-bottom: 2px;
  transition: color 0.24s var(--ease), border-color 0.24s var(--ease);
}

.page-home .duo__col a:hover {
  color: var(--violet);
  border-color: var(--violet);
}

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

.page-home .duo__media img {
  border-radius: var(--radius-md);
}

@media (min-width: 640px) {
  .page-home .duo__compare {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

@media (min-width: 1000px) {
  .page-home .duo__grid {
    grid-template-columns: 7fr 5fr;
    align-items: start;
  }
}

/* ============ 02 手机首页 ============ */
.page-home .mob {
  background: linear-gradient(180deg, transparent, rgba(36, 26, 70, 0.34) 42%, transparent);
}

.page-home .mob__list {
  list-style: none;
  margin: clamp(28px, 4vw, 44px) 0 0;
  padding: 0;
  display: grid;
  gap: 1px;
  background: var(--line);
  border: 1px solid var(--line);
  border-radius: var(--radius-lg);
  overflow: hidden;
}

.page-home .mob__item {
  background: var(--ink-2);
  padding: clamp(20px, 3vw, 34px);
  transition: background 0.3s var(--ease);
}

.page-home .mob__item:hover {
  background: rgba(36, 26, 70, 0.66);
}

.page-home .mob__num {
  margin: 0 0 12px;
  font-size: 12px;
  letter-spacing: 0.18em;
  color: var(--flag-yellow);
}

.page-home .mob__title {
  margin: 0 0 10px;
  font-size: 18px;
  font-weight: 700;
  color: var(--paper);
  letter-spacing: 0.03em;
}

.page-home .mob__text {
  margin: 0;
  font-size: 15px;
  line-height: 1.85;
  color: var(--mist);
}

@media (min-width: 840px) {
  .page-home .mob__list {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }
}

/* ============ 03 回归三步 ============ */
.page-home .back__grid {
  display: grid;
  gap: clamp(30px, 4vw, 54px);
  align-items: center;
}

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

.page-home .back__steps {
  list-style: none;
  margin: clamp(26px, 3.4vw, 40px) 0 0;
  padding: 0;
  display: grid;
  gap: 22px;
  counter-reset: rb;
}

.page-home .back__steps li {
  position: relative;
  padding-left: 58px;
  counter-increment: rb;
}

.page-home .back__steps li::before {
  content: counter(rb, decimal-leading-zero);
  position: absolute;
  left: 0;
  top: 2px;
  width: 40px;
  height: 34px;
  display: grid;
  place-items: center;
  font-family: var(--font-mono);
  font-size: 13px;
  letter-spacing: 0.08em;
  color: var(--flag-yellow);
  border: 1px solid rgba(232, 184, 75, 0.36);
  border-radius: 999px;
}

.page-home .back__steps li:not(:last-child)::after {
  content: "";
  position: absolute;
  left: 19px;
  top: 42px;
  bottom: -22px;
  width: 1px;
  background: linear-gradient(180deg, rgba(232, 184, 75, 0.4), transparent);
}

.page-home .back__steps h3 {
  margin: 0 0 8px;
  font-size: 17px;
  font-weight: 700;
  color: var(--paper);
  letter-spacing: 0.03em;
}

.page-home .back__steps p {
  margin: 0;
  font-size: 15px;
  line-height: 1.85;
  color: var(--mist);
}

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

.page-home .back__media img {
  border-radius: var(--radius-md);
}

@media (min-width: 1000px) {
  .page-home .back__grid {
    grid-template-columns: 5fr 7fr;
  }
}

/* ============ 04 企业客户 ============ */
.page-home .biz__grid {
  display: grid;
  gap: clamp(30px, 4vw, 54px);
  align-items: center;
}

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

.page-home .biz__media img {
  border-radius: var(--radius-md);
}

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

.page-home .biz__text p {
  margin: 0 0 16px;
  font-size: 15px;
  line-height: 1.85;
  color: var(--mist);
}

.page-home .biz__stats {
  list-style: none;
  margin: clamp(24px, 3vw, 34px) 0 0;
  padding: 0;
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 1px;
  background: var(--line);
  border: 1px solid var(--line);
  border-radius: var(--radius-md);
  overflow: hidden;
}

.page-home .biz__stats li {
  background: rgba(36, 26, 70, 0.52);
  padding: 18px 20px;
  font-size: 13px;
  letter-spacing: 0.04em;
  color: var(--mist);
}

.page-home .biz__stats .stat-value {
  display: block;
  margin-bottom: 6px;
  font-family: var(--font-mono);
  font-size: 26px;
  line-height: 1.1;
  color: var(--flag-yellow);
}

.page-home .biz__acts {
  margin-top: clamp(24px, 3vw, 34px);
}

@media (min-width: 1000px) {
  .page-home .biz__grid {
    grid-template-columns: 5fr 7fr;
  }

  .page-home .biz__media {
    order: -1;
  }
}

/* ============ 05 内容节奏 ============ */
.page-home .rhythm__rail {
  display: flex;
  gap: 16px;
  margin-top: clamp(28px, 4vw, 44px);
  padding: 4px var(--gutter) 22px;
  overflow-x: auto;
  scroll-snap-type: x mandatory;
  -webkit-overflow-scrolling: touch;
}

.page-home .rhythm__rail::-webkit-scrollbar {
  height: 6px;
}

.page-home .rhythm__rail::-webkit-scrollbar-thumb {
  background: rgba(53, 224, 214, 0.32);
  border-radius: 999px;
}

.page-home .rhythm__item {
  flex: 0 0 min(280px, 76vw);
  scroll-snap-align: start;
  display: flex;
  flex-direction: column;
  gap: 12px;
  padding: 24px 22px 26px;
  border: 1px solid var(--line);
  border-radius: var(--radius-lg);
  background: linear-gradient(168deg, rgba(36, 26, 70, 0.62), rgba(7, 10, 20, 0.72));
  box-shadow: var(--shadow-soft);
  text-decoration: none;
  color: inherit;
  transition: transform 0.3s var(--ease), border-color 0.3s var(--ease);
}

.page-home .rhythm__item:hover {
  transform: translateY(-4px);
  border-color: var(--line-strong);
}

.page-home .rhythm__item h3 {
  margin: 0;
  font-size: 17px;
  font-weight: 700;
  color: var(--paper);
  letter-spacing: 0.03em;
}

.page-home .rhythm__item p {
  margin: 0;
  font-size: 14px;
  line-height: 1.8;
  color: var(--mist);
}

.page-home .rhythm__item .tag {
  align-self: flex-start;
}

/* ============ 悬浮快捷入口 ============ */
.page-home .orb {
  position: fixed;
  right: clamp(14px, 3vw, 30px);
  bottom: clamp(14px, 3vw, 30px);
  z-index: 40;
}

.page-home .orb__trigger {
  list-style: none;
  cursor: pointer;
  width: 62px;
  height: 62px;
  display: grid;
  place-items: center;
  border-radius: 50%;
  background: linear-gradient(140deg, var(--cyan), var(--violet));
  color: var(--ink);
  font-size: 12px;
  font-weight: 700;
  line-height: 1.15;
  text-align: center;
  letter-spacing: 0.06em;
  box-shadow: 0 18px 38px -20px rgba(53, 224, 214, 0.95);
  transition: transform 0.28s var(--ease);
}

.page-home .orb__trigger::-webkit-details-marker {
  display: none;
}

.page-home .orb__trigger:hover {
  transform: translateY(-2px);
}

.page-home .orb__panel {
  position: absolute;
  right: 0;
  bottom: 74px;
  width: 210px;
  display: grid;
  gap: 1px;
  padding: 8px;
  border: 1px solid var(--line);
  border-radius: var(--radius-md);
  background: rgba(12, 16, 32, 0.95);
  box-shadow: var(--shadow-soft);
}

.page-home .orb__link {
  padding: 12px 14px;
  border-radius: var(--radius-sm);
  font-size: 14px;
  color: var(--paper);
  text-decoration: none;
  transition: background 0.24s var(--ease), color 0.24s var(--ease);
}

.page-home .orb__link:hover,
.page-home .orb__link:focus-visible {
  background: rgba(53, 224, 214, 0.14);
  color: var(--cyan);
}

@media (prefers-reduced-motion: reduce) {
  .page-home .duo__col,
  .page-home .rhythm__item,
  .page-home .orb__trigger {
    transition: none;
  }

  .page-home .duo__col:hover,
  .page-home .rhythm__item:hover,
  .page-home .orb__trigger:hover {
    transform: none;
  }
}
</PAGE_CSS>