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

/* ===== 首屏 ===== */
.page-home .hero {
  position: relative;
  isolation: isolate;
  overflow: hidden;
  padding: clamp(40px, 7vw, 84px) 0 clamp(60px, 9vw, 120px);
  background:
    radial-gradient(120% 85% at 84% 6%, rgba(200, 162, 74, .13), transparent 62%),
    linear-gradient(180deg, var(--ink-2) 0%, var(--ink) 74%);
  border-bottom: 1px solid var(--line-soft);
}

.page-home .hero::before {
  content: "";
  position: absolute;
  top: -14%;
  bottom: -14%;
  left: 53%;
  width: 2px;
  background: linear-gradient(180deg, transparent, var(--gold) 22%, var(--gold-light) 52%, var(--gold) 78%, transparent);
  transform: skewX(-8deg);
  opacity: .42;
  pointer-events: none;
  display: none;
  z-index: 1;
}

.page-home .hero__veil {
  position: absolute;
  inset: 0;
  z-index: 0;
  pointer-events: none;
}

.page-home .hero__veil img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: 72% 38%;
  opacity: .2;
  filter: grayscale(.3) contrast(1.15);
  -webkit-mask-image: linear-gradient(90deg, transparent 0%, rgba(0, 0, 0, .55) 38%, #000 100%);
  mask-image: linear-gradient(90deg, transparent 0%, rgba(0, 0, 0, .55) 38%, #000 100%);
}

.page-home .hero__shell {
  position: relative;
  z-index: 2;
}

.page-home .hero__grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: clamp(34px, 5vw, 60px);
  align-items: start;
  margin-top: clamp(22px, 3vw, 38px);
}

.page-home .hero__title {
  margin: 0 0 clamp(18px, 2.4vw, 26px);
  font-family: var(--font-display);
  font-weight: 800;
  font-size: clamp(32px, 6.6vw, 76px);
  line-height: 1.08;
  letter-spacing: -.02em;
  color: var(--mist);
}

.page-home .hero__title-em {
  display: block;
  margin-top: .1em;
  color: var(--gold-light);
  position: relative;
}

.page-home .hero__title-em::after {
  content: "";
  position: absolute;
  left: 0;
  bottom: -.12em;
  width: min(58%, 340px);
  height: 2px;
  background: linear-gradient(90deg, var(--gold), transparent);
}

.page-home .hero__lede {
  max-width: 46ch;
  margin: 0 0 clamp(24px, 3vw, 34px);
  font-size: clamp(15px, 1.4vw, 17px);
  line-height: 1.85;
  color: var(--silver);
}

.page-home .hero__foot {
  margin: clamp(18px, 2.4vw, 26px) 0 0;
  font-size: 13px;
  letter-spacing: .03em;
  color: var(--steel);
}

/* 首屏右侧卡片瀑布 */
.page-home .hero__rail {
  display: grid;
  gap: 14px;
}

.page-home .rail-card {
  position: relative;
  overflow: hidden;
  padding: clamp(18px, 2.2vw, 24px);
  background: linear-gradient(180deg, var(--ink-3), var(--ink-2));
  border: 1px solid var(--line-soft);
  border-left: 2px solid var(--line-gold);
  border-radius: var(--radius);
  box-shadow: var(--shadow-soft);
  transition: transform .35s var(--ease), border-color .35s var(--ease);
}

.page-home .rail-card::after {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(128deg, transparent 36%, rgba(232, 206, 139, .17) 50%, transparent 63%);
  transform: translateX(-130%);
  transition: transform .55s var(--ease);
  pointer-events: none;
}

.page-home .rail-card:hover {
  transform: translateY(-3px);
  border-left-color: var(--gold);
}

.page-home .rail-card:hover::after {
  transform: translateX(130%);
}

.page-home .rail-card .card__title {
  margin: 12px 0 8px;
  font-size: clamp(17px, 1.7vw, 20px);
  line-height: 1.4;
  color: var(--mist);
}

.page-home .rail-card .card__text {
  margin: 0;
  font-size: 14px;
  line-height: 1.75;
  color: var(--silver);
}

.page-home .rail-card__more {
  display: inline-block;
  margin-top: 14px;
  padding-bottom: 2px;
  font-size: 13px;
  letter-spacing: .04em;
  color: var(--gold-light);
  text-decoration: none;
  border-bottom: 1px solid var(--line-gold);
  transition: color .25s var(--ease), border-color .25s var(--ease);
}

.page-home .rail-card__more:hover {
  color: var(--mist);
  border-color: var(--gold-light);
}

/* ===== 本季周期快照 ===== */
.page-home .section {
  position: relative;
  padding-block: clamp(56px, 7.5vw, 104px);
}

.page-home .cycle {
  background: linear-gradient(180deg, var(--ink) 0%, var(--ink-2) 100%);
}

.page-home .cycle__body {
  display: grid;
  grid-template-columns: 1fr;
  gap: clamp(26px, 4vw, 46px);
  margin-top: clamp(30px, 4vw, 48px);
}

.page-home .cycle__rail {
  display: grid;
  grid-template-columns: 1fr;
  gap: 16px;
  margin: 0;
  padding: 0;
  list-style: none;
}

.page-home .cycle__step {
  position: relative;
  padding: 22px 18px 18px;
  background: var(--ink-2);
  border: 1px solid var(--line-soft);
  border-top: 2px solid var(--line-gold);
  border-radius: var(--radius);
}

.page-home .cycle__step.is-current {
  background: linear-gradient(180deg, rgba(166, 37, 59, .12), var(--ink-2) 70%);
  border-top-color: var(--ruby);
  box-shadow: 0 0 0 1px rgba(166, 37, 59, .3);
}

.page-home .cycle__dot {
  position: absolute;
  top: -7px;
  left: 18px;
  width: 10px;
  height: 10px;
  border-radius: 50%;
  background: var(--gold);
  box-shadow: 0 0 0 4px rgba(200, 162, 74, .12);
}

.page-home .cycle__step.is-current .cycle__dot {
  background: var(--ruby);
  animation: home-pulse 2.6s var(--ease) infinite;
}

@keyframes home-pulse {
  0%, 100% { box-shadow: 0 0 0 5px rgba(166, 37, 59, .18), 0 0 14px rgba(166, 37, 59, .45); }
  50% { box-shadow: 0 0 0 10px rgba(166, 37, 59, .05), 0 0 22px rgba(166, 37, 59, .6); }
}

.page-home .cycle__when {
  margin: 0 0 6px;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: .1em;
  text-transform: uppercase;
  color: var(--steel);
}

.page-home .cycle__step.is-current .cycle__when {
  color: var(--ruby);
}

.page-home .cycle__name {
  margin: 0;
  font-family: var(--font-display);
  font-size: clamp(18px, 2vw, 22px);
  font-weight: 700;
  letter-spacing: -.01em;
  color: var(--mist);
}

.page-home .cycle__more {
  margin-top: 12px;
  border-top: 1px solid var(--line-soft);
  padding-top: 10px;
}

.page-home .cycle__more summary {
  cursor: pointer;
  list-style: none;
  font-size: 12.5px;
  letter-spacing: .05em;
  color: var(--gold);
}

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

.page-home .cycle__more summary::after {
  content: " 展开 +";
  color: var(--gold-light);
}

.page-home .cycle__more[open] summary::after {
  content: " 收起 −";
}

.page-home .cycle__more p {
  margin: 10px 0 0;
  font-size: 13.5px;
  line-height: 1.78;
  color: var(--silver);
}

.page-home .cycle__figure {
  margin: 0;
  border: 1px solid var(--line-gold);
  border-radius: var(--radius);
  overflow: hidden;
  background: var(--ink-3);
}

.page-home .cycle__figure img {
  display: block;
  width: 100%;
  height: auto;
  aspect-ratio: 1 / 1;
  object-fit: cover;
}

.page-home .cycle__figure figcaption {
  padding: 12px 16px;
  font-size: 12.5px;
  letter-spacing: .02em;
  color: var(--steel);
  border-top: 1px solid var(--line-soft);
  background: var(--ink-2);
}

/* ===== 记录导出 ===== */
.page-home .export {
  background: linear-gradient(180deg, var(--ink-2) 0%, var(--ink) 55%, var(--ink-2) 100%);
}

.page-home .export__grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: clamp(26px, 4vw, 52px);
  align-items: center;
}

.page-home .export__media {
  position: relative;
  margin: 0;
  border: 1px solid var(--line-soft);
  border-radius: var(--radius);
  overflow: hidden;
  background: var(--ink-3);
}

.page-home .export__media::after {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  width: 72px;
  height: 72px;
  border-top: 2px solid var(--gold);
  border-left: 2px solid var(--gold);
  opacity: .7;
  pointer-events: none;
}

.page-home .export__media img {
  display: block;
  width: 100%;
  height: auto;
  aspect-ratio: 3 / 2;
  object-fit: cover;
}

.page-home .export__text {
  margin: 0 0 clamp(18px, 2.4vw, 26px);
  max-width: 54ch;
  font-size: clamp(15px, 1.4vw, 16.5px);
  line-height: 1.85;
  color: var(--silver);
}

.page-home .export__list {
  margin: 0 0 clamp(22px, 3vw, 32px);
}

.page-home .export__list strong {
  color: var(--gold-light);
  font-weight: 600;
}

/* ===== 帮助与反馈 ===== */
.page-home .support {
  background: var(--ink);
  border-top: 1px solid var(--line-soft);
}

.page-home .support__dual {
  display: grid;
  grid-template-columns: 1fr;
  gap: 18px;
  margin-top: clamp(28px, 4vw, 46px);
}

.page-home .support__panel {
  position: relative;
  padding: clamp(24px, 3vw, 34px) clamp(22px, 3vw, 34px) clamp(22px, 2.6vw, 30px) calc(clamp(22px, 3vw, 34px) + 16px);
  background: linear-gradient(180deg, var(--ink-3), var(--ink-2));
  border: 1px solid var(--line-soft);
  border-radius: var(--radius);
  transition: border-color .35s var(--ease), transform .35s var(--ease);
}

.page-home .support__panel::before {
  content: "";
  position: absolute;
  left: 0;
  top: 16px;
  bottom: 16px;
  width: 3px;
  border-radius: 0 2px 2px 0;
}

.page-home .support__panel--cyan::before {
  background: var(--cyan);
  box-shadow: 0 0 12px rgba(111, 179, 196, .5);
}

.page-home .support__panel--gold::before {
  background: var(--gold);
  box-shadow: 0 0 12px rgba(200, 162, 74, .45);
}

.page-home .support__panel:hover {
  transform: translateY(-3px);
}

.page-home .support__panel--cyan:hover {
  border-color: var(--line-cyan);
}

.page-home .support__panel--gold:hover {
  border-color: var(--line-gold-strong);
}

.page-home .support__name {
  margin: 14px 0 10px;
  font-family: var(--font-display);
  font-size: clamp(19px, 2.1vw, 24px);
  font-weight: 700;
  letter-spacing: -.01em;
  line-height: 1.35;
  color: var(--mist);
}

.page-home .support__text {
  margin: 0 0 16px;
  font-size: 14.5px;
  line-height: 1.8;
  color: var(--silver);
}

.page-home .support__list {
  margin: 0 0 20px;
  padding: 0;
  list-style: none;
  display: grid;
  gap: 9px;
}

.page-home .support__list li {
  position: relative;
  padding-left: 16px;
  font-size: 13.5px;
  line-height: 1.72;
  color: var(--silver);
}

.page-home .support__list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: .64em;
  width: 7px;
  height: 1px;
  background: var(--gold);
}

.page-home .support__panel--cyan .support__list li::before {
  background: var(--cyan);
}

.page-home .support__link {
  display: inline-block;
  padding-bottom: 3px;
  font-size: 14px;
  letter-spacing: .04em;
  color: var(--gold-light);
  text-decoration: none;
  border-bottom: 1px solid var(--line-gold);
  transition: color .25s var(--ease), border-color .25s var(--ease);
}

.page-home .support__link:hover {
  color: var(--mist);
  border-color: var(--gold-light);
}

/* ===== 版本演进走廊 ===== */
.page-home .versions {
  position: relative;
  isolation: isolate;
  overflow: hidden;
  background: linear-gradient(180deg, var(--ink-2) 0%, var(--ink) 100%);
  border-top: 1px solid var(--line-soft);
}

.page-home .versions__bg {
  position: absolute;
  inset: 0;
  z-index: 0;
  pointer-events: none;
}

.page-home .versions__bg img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  opacity: .13;
  filter: contrast(1.1) saturate(.7);
}

.page-home .versions > .shell {
  position: relative;
  z-index: 1;
}

.page-home .versions__track {
  position: relative;
  margin: clamp(30px, 4vw, 52px) 0 0;
  padding: 0;
  list-style: none;
  display: grid;
  grid-template-columns: 1fr;
  gap: 22px;
}

.page-home .versions__item {
  position: relative;
}

.page-home .versions__ver {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-width: 62px;
  height: 30px;
  padding: 0 14px;
  border: 1px solid var(--line-gold-strong);
  border-radius: 999px;
  background: var(--ink);
  font-family: var(--font-mono);
  font-size: 13px;
  font-weight: 600;
  letter-spacing: .07em;
  color: var(--gold-light);
}

.page-home .versions__item.is-current .versions__ver {
  background: linear-gradient(180deg, rgba(200, 162, 74, .24), rgba(200, 162, 74, .05));
  border-color: var(--gold);
  color: var(--gold-light);
  box-shadow: 0 0 0 4px rgba(200, 162, 74, .09);
}

.page-home .versions__note {
  margin: 14px 0 0;
  max-width: 30ch;
  font-size: 14px;
  line-height: 1.78;
  color: var(--silver);
}

.page-home .versions__cta {
  margin-top: clamp(28px, 4vw, 44px);
}

/* ===== 服务规模与凭据 ===== */
.page-home .trust {
  background: linear-gradient(180deg, var(--ink-2) 0%, var(--ink) 100%);
  border-top: 1px solid var(--line-soft);
}

.page-home .trust__grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: clamp(26px, 3.4vw, 40px);
  margin-top: clamp(28px, 4vw, 46px);
}

.page-home .trust .figure {
  display: flex;
  flex-direction: column;
  gap: 10px;
  min-width: 0;
}

.page-home .trust .figure__num {
  display: inline-block;
  width: fit-content;
  padding-bottom: 8px;
  border-bottom: 2px solid var(--gold);
  font-family: var(--font-mono);
  font-weight: 600;
  font-size: clamp(26px, 4.2vw, 56px);
  line-height: 1.05;
  letter-spacing: -.01em;
  color: var(--mist);
}

.page-home .trust .figure__label {
  font-size: 13.5px;
  line-height: 1.65;
  letter-spacing: .02em;
  color: var(--silver);
}

.page-home .trust__seal {
  display: flex;
  flex-wrap: wrap;
  gap: 10px 22px;
  margin-top: clamp(30px, 4vw, 48px);
  padding: clamp(18px, 2.6vw, 26px) clamp(18px, 2.6vw, 28px);
  border: 1px solid var(--line-gold);
  border-radius: var(--radius);
  background: rgba(200, 162, 74, .045);
}

.page-home .trust__seal-item {
  position: relative;
  padding-left: 16px;
  font-size: 13.5px;
  line-height: 1.7;
  color: var(--silver);
}

.page-home .trust__seal-item::before {
  content: "";
  position: absolute;
  left: 0;
  top: .68em;
  width: 6px;
  height: 6px;
  background: var(--gold);
  transform: rotate(45deg);
}

.page-home .trust__foot {
  display: grid;
  gap: 18px;
  margin-top: clamp(28px, 3.6vw, 44px);
}

.page-home .trust__foot p {
  margin: 0;
  max-width: 62ch;
  font-size: 15px;
  line-height: 1.85;
  color: var(--silver);
}

/* ===== 响应式 ===== */
@media (min-width: 600px) {
  .page-home .cycle__rail {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

@media (min-width: 760px) {
  .page-home .support__dual {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 22px;
  }
}

@media (min-width: 900px) {
  .page-home .export__grid {
    grid-template-columns: 5fr 6fr;
  }

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

  .page-home .versions__track::before {
    content: "";
    position: absolute;
    left: 0;
    right: 0;
    top: 14px;
    height: 1px;
    background: linear-gradient(90deg, transparent, var(--line-gold-strong) 10%, var(--line-gold-strong) 90%, transparent);
  }

  .page-home .versions__item {
    padding-right: clamp(16px, 2vw, 30px);
  }

  .page-home .trust__grid {
    grid-template-columns: repeat(4, minmax(0, 1fr));
  }

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

@media (min-width: 960px) {
  .page-home .hero {
    padding-bottom: clamp(90px, 9vw, 128px);
  }

  .page-home .hero::before {
    display: block;
  }

  .page-home .hero__grid {
    grid-template-columns: 6fr 5fr;
    gap: clamp(44px, 4.4vw, 76px);
  }

  .page-home .cycle__body {
    grid-template-columns: 7fr 4fr;
    align-items: start;
  }

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

@media (min-width: 1200px) {
  .page-home .hero__rail {
    gap: 16px;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-home .rail-card,
  .page-home .rail-card::after,
  .page-home .support__panel,
  .page-home .support__link,
  .page-home .rail-card__more {
    transition: none;
  }

  .page-home .cycle__step.is-current .cycle__dot {
    animation: none;
    box-shadow: 0 0 0 5px rgba(166, 37, 59, .18), 0 0 14px rgba(166, 37, 59, .5);
  }

  .page-home .rail-card:hover {
    transform: none;
  }

  .page-home .rail-card:hover::after {
    transform: translateX(-130%);
  }
}
<<<END>>>