.page-home {
  --ph-line-light: rgba(26, 20, 16, .14);
  --ph-line-dark: rgba(201, 214, 228, .2);
  overflow-x: clip;
}

/* ---------- 首屏分屏 ---------- */
.page-home .ph-hero {
  position: relative;
  background: var(--midnight);
  color: var(--paper);
  overflow: hidden;
}

.page-home .ph-hero__inner {
  display: grid;
  grid-template-columns: 1fr;
  max-width: var(--max-w);
  margin: 0 auto;
}

.page-home .ph-hero__copy {
  position: relative;
  z-index: 2;
  padding: 56px 24px 44px;
  background:
    linear-gradient(160deg, rgba(122, 59, 255, .16), transparent 58%),
    var(--midnight);
}

.page-home .ph-hero__copy .eyebrow,
.page-home .ph-sub .eyebrow,
.page-home .ph-ranks .eyebrow,
.page-home .ph-start .eyebrow,
.page-home .ph-ice .eyebrow {
  color: var(--ice);
}

.page-home .ph-hero__title {
  margin: 14px 0 0;
  font-weight: 300;
  font-size: clamp(38px, 10vw, 108px);
  line-height: 1.04;
  letter-spacing: -.015em;
  color: var(--paper);
}

.page-home .ph-hero__title em {
  font-style: normal;
  font-weight: 900;
  color: #fff;
  text-shadow:
    0 0 10px rgba(122, 59, 255, .9),
    0 0 30px rgba(56, 232, 255, .55);
}

.page-home .ph-hero__lead {
  max-width: 32em;
  margin: 22px 0 0;
  font-size: 16px;
  line-height: 1.78;
  color: rgba(243, 235, 221, .82);
}

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

.page-home .ph-hero__facts {
  display: flex;
  flex-wrap: wrap;
  gap: 12px 34px;
  margin: 34px 0 0;
  padding-top: 20px;
  border-top: 1px solid var(--ph-line-dark);
}

.page-home .ph-hero__facts dt {
  margin: 0 0 6px;
}

.page-home .ph-hero__facts dd {
  margin: 0;
  font-size: 26px;
  line-height: 1;
  color: var(--cyan);
}

.page-home .ph-hero__visual {
  position: relative;
  aspect-ratio: 4 / 3;
  background: var(--deep-1);
}

.page-home .ph-hero__visual img {
  display: block;
  width: 100%;
  height: 100%;
  max-width: 100%;
  object-fit: cover;
}

.page-home .ph-hero__beam {
  position: absolute;
  top: 0;
  bottom: 0;
  left: 0;
  width: 1px;
  background: linear-gradient(180deg, transparent, var(--violet) 30%, var(--cyan) 70%, transparent);
  box-shadow: 0 0 18px 2px rgba(122, 59, 255, .55);
}

/* ---------- 订阅 ---------- */
.page-home .ph-sub {
  position: relative;
  background: var(--deep-2);
  color: var(--paper);
  padding: 68px 0 66px;
  clip-path: polygon(0 40px, 100% 0, 100% 100%, 0 100%);
}

.page-home .ph-sub__grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 30px;
}

.page-home .ph-sub__text {
  max-width: 34em;
  margin: 16px 0 0;
  font-size: 16px;
  line-height: 1.78;
  color: rgba(243, 235, 221, .8);
}

.page-home .ph-sub__panel {
  padding: 26px 22px 24px;
  border: 1px solid var(--ph-line-dark);
  background: rgba(8, 12, 36, .55);
}

.page-home .ph-sub__list {
  list-style: none;
  margin: 16px 0 0;
  padding: 0;
  display: grid;
  gap: 14px;
}

.page-home .ph-sub__list li {
  display: flex;
  gap: 12px;
  align-items: baseline;
  font-size: 15px;
  line-height: 1.6;
  color: rgba(243, 235, 221, .9);
}

.page-home .ph-sub__list .mono {
  font-size: 12px;
  color: var(--cyan);
}

.page-home .ph-sub__note {
  margin: 24px 0 0;
  padding-top: 16px;
  border-top: 1px solid var(--ph-line-dark);
  font-size: 12px;
  letter-spacing: .1em;
  color: var(--ice);
}

/* ---------- 五大品类 ---------- */
.page-home .ph-cats {
  background: var(--paper);
  color: var(--ink);
  padding: 66px 0 72px;
}

.page-home .ph-cats__head {
  max-width: 720px;
}

.page-home .ph-cats__lead {
  margin: 16px 0 0;
  font-size: 16px;
  line-height: 1.78;
  color: rgba(26, 20, 16, .72);
}

.page-home .ph-cats__chips {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin: 28px 0 0;
  padding-bottom: 22px;
  border-bottom: 1px solid var(--ph-line-light);
}

.page-home .ph-cats__chips .chip {
  font: inherit;
  font-size: 13px;
  cursor: pointer;
  transition: background var(--t-mid) var(--ease), color var(--t-mid) var(--ease),
    border-color var(--t-mid) var(--ease);
}

.page-home .ph-cats__chips .chip[aria-pressed="true"] {
  background: var(--ink);
  color: var(--paper);
  border-color: var(--ink);
}

.page-home .ph-cats__grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 16px;
  margin-top: 28px;
}

.page-home .ph-cat {
  padding: 22px 20px 24px;
  background: rgba(255, 255, 255, .55);
  border: 1px solid var(--ph-line-light);
  border-left: 3px solid var(--ink);
  transition: border-color var(--t-mid) var(--ease), box-shadow var(--t-mid) var(--ease),
    transform var(--t-mid) var(--ease);
}

.page-home .ph-cat:hover {
  border-color: var(--violet);
  border-left-color: var(--violet);
  box-shadow: 0 10px 30px -22px rgba(122, 59, 255, .95);
  transform: translateY(-2px);
}

.page-home .ph-cat__name {
  margin: 10px 0 0;
  font-size: 28px;
  font-weight: 700;
  letter-spacing: .02em;
}

.page-home .ph-cat__desc {
  margin: 8px 0 0;
  font-size: 14px;
  line-height: 1.7;
  color: rgba(26, 20, 16, .7);
}

.page-home .ph-cat__rooms {
  list-style: none;
  margin: 16px 0 0;
  padding: 0;
  display: grid;
  gap: 9px;
}

.page-home .ph-cat__rooms li {
  position: relative;
  padding-left: 16px;
  font-size: 14px;
  font-family: var(--font-mono);
  letter-spacing: .02em;
  color: rgba(26, 20, 16, .82);
}

.page-home .ph-cat__rooms li::before {
  content: "";
  position: absolute;
  left: 0;
  top: .68em;
  width: 7px;
  height: 1px;
  background: var(--orange);
}

.page-home .ph-cats__figure {
  margin: 38px 0 0;
}

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

.page-home .ph-cats__figure figcaption {
  margin-top: 12px;
  font-size: 12px;
  letter-spacing: .06em;
  color: rgba(26, 20, 16, .6);
}

/* ---------- 段位楼梯 ---------- */
.page-home .ph-ranks {
  position: relative;
  background: var(--midnight);
  color: var(--paper);
  padding: 76px 0 116px;
  clip-path: polygon(0 0, 100% 0, 100% calc(100% - 38px), 0 100%);
}

.page-home .ph-ranks__grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 40px;
}

.page-home .ph-ranks__text {
  max-width: 34em;
  margin: 16px 0 0;
  font-size: 16px;
  line-height: 1.78;
  color: rgba(243, 235, 221, .8);
}

.page-home .ph-ranks__copy .btn {
  margin-top: 26px;
}

.page-home .ph-ranks__figure {
  margin: 30px 0 0;
}

.page-home .ph-ranks__figure img {
  display: block;
  width: 100%;
  max-width: 100%;
  height: auto;
  aspect-ratio: 10 / 7;
  object-fit: cover;
}

.page-home .ph-ranks__track {
  list-style: none;
  margin: 30px 0 0;
  padding: 0;
  display: grid;
  grid-template-columns: repeat(12, minmax(0, 1fr));
  gap: 5px;
  align-items: end;
}

.page-home .ph-ranks__node {
  position: relative;
  height: 104px;
  border-bottom: 1px solid var(--ph-line-dark);
  cursor: default;
}

.page-home .ph-ranks__node .mono {
  position: absolute;
  top: 0;
  left: 50%;
  transform: translateX(-50%);
  font-size: 10px;
  letter-spacing: .06em;
  color: rgba(201, 214, 228, .6);
}

.page-home .ph-ranks__node::before {
  content: "";
  position: absolute;
  left: 0;
  right: 0;
  bottom: 0;
  height: var(--h, 20%);
  background: linear-gradient(180deg, var(--violet), var(--cyan));
  opacity: .82;
  transition: background var(--t-mid) var(--ease), opacity var(--t-mid) var(--ease);
}

.page-home .ph-ranks__node:hover::before,
.page-home .ph-ranks__node:focus-within::before {
  background: var(--gold);
  opacity: 1;
}

.page-home .ph-ranks__node:nth-child(1) { --h: 16%; }
.page-home .ph-ranks__node:nth-child(2) { --h: 24%; }
.page-home .ph-ranks__node:nth-child(3) { --h: 32%; }
.page-home .ph-ranks__node:nth-child(4) { --h: 40%; }
.page-home .ph-ranks__node:nth-child(5) { --h: 48%; }
.page-home .ph-ranks__node:nth-child(6) { --h: 56%; }
.page-home .ph-ranks__node:nth-child(7) { --h: 63%; }
.page-home .ph-ranks__node:nth-child(8) { --h: 70%; }
.page-home .ph-ranks__node:nth-child(9) { --h: 77%; }
.page-home .ph-ranks__node:nth-child(10) { --h: 84%; }
.page-home .ph-ranks__node:nth-child(11) { --h: 91%; }
.page-home .ph-ranks__node:nth-child(12) { --h: 100%; }

.page-home .ph-ranks__caps {
  display: flex;
  justify-content: space-between;
  gap: 16px;
  margin: 12px 0 0;
}

.page-home .ph-ranks__caps .mono {
  font-size: 11px;
  letter-spacing: .14em;
  color: var(--ice);
}

.page-home .ph-ranks__hint {
  margin: 18px 0 0;
  font-size: 13px;
  line-height: 1.7;
  color: rgba(201, 214, 228, .68);
}

/* ---------- 道具区间 ---------- */
.page-home .ph-items {
  background: var(--paper);
  color: var(--ink);
  padding: 70px 0 74px;
}

.page-home .ph-items__head {
  max-width: 720px;
}

.page-home .ph-items__lead {
  margin: 16px 0 0;
  font-size: 16px;
  line-height: 1.78;
  color: rgba(26, 20, 16, .72);
}

.page-home .ph-items__grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 16px;
  margin-top: 32px;
}

.page-home .ph-item {
  padding: 22px 18px 24px;
  background: rgba(255, 255, 255, .55);
  border-top: 3px solid var(--ink);
}

.page-home .ph-item:nth-child(1) { border-top-color: var(--orange); }
.page-home .ph-item:nth-child(2) { border-top-color: var(--violet); }
.page-home .ph-item:nth-child(3) { border-top-color: var(--glitch); }
.page-home .ph-item:nth-child(4) { border-top-color: var(--gold); }

.page-home .ph-item__name {
  margin: 0;
  font-size: 20px;
  font-weight: 700;
  letter-spacing: .03em;
}

.page-home .ph-item__range {
  margin: 12px 0 0;
  font-size: 24px;
  line-height: 1;
  letter-spacing: .02em;
  color: var(--ink);
}

.page-home .ph-item__meter {
  height: 4px;
  margin: 16px 0 0;
  background: rgba(26, 20, 16, .1);
}

.page-home .ph-item__meter span {
  display: block;
  height: 100%;
  width: var(--w, 30%);
  background: var(--ink);
}

.page-home .ph-item:nth-child(1) .ph-item__meter span { --w: 10%; }
.page-home .ph-item:nth-child(2) .ph-item__meter span { --w: 36%; }
.page-home .ph-item:nth-child(3) .ph-item__meter span { --w: 100%; background: var(--violet); }
.page-home .ph-item:nth-child(4) .ph-item__meter span { --w: 66%; background: var(--gold); }

.page-home .ph-item__scope {
  margin: 16px 0 0;
  font-size: 14px;
  line-height: 1.72;
  color: rgba(26, 20, 16, .72);
}

.page-home .ph-items__foot {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 16px 26px;
  margin-top: 32px;
  padding-top: 24px;
  border-top: 1px solid var(--ph-line-light);
}

.page-home .ph-items__link {
  font-size: 12px;
  letter-spacing: .1em;
  color: var(--ink);
  text-decoration: none;
  border-bottom: 1px solid var(--orange);
  padding-bottom: 3px;
  transition: color var(--t-fast) var(--ease);
}

.page-home .ph-items__link:hover {
  color: var(--violet);
}

/* ---------- 三步上手 ---------- */
.page-home .ph-start {
  background: var(--deep-2);
  color: var(--paper);
  padding: 70px 0 76px;
}

.page-home .ph-start__steps {
  list-style: none;
  margin: 32px 0 0;
  padding: 0;
  display: grid;
  grid-template-columns: 1fr;
  gap: 0;
}

.page-home .ph-step {
  position: relative;
  padding: 26px 0 28px;
  border-top: 1px solid var(--ph-line-dark);
}

.page-home .ph-step__num {
  display: block;
  font-size: 12px;
  letter-spacing: .2em;
  color: var(--cyan);
}

.page-home .ph-step__name {
  margin: 12px 0 0;
  font-size: 20px;
  font-weight: 700;
  letter-spacing: .03em;
  color: var(--paper);
}

.page-home .ph-step p {
  max-width: 30em;
  margin: 10px 0 0;
  font-size: 15px;
  line-height: 1.75;
  color: rgba(243, 235, 221, .78);
}

/* ---------- 冰雪分隔带 ---------- */
.page-home .ph-ice {
  position: relative;
  background: var(--deep-3);
  overflow: hidden;
}

.page-home .ph-ice > img {
  display: block;
  width: 100%;
  max-width: 100%;
  height: auto;
  aspect-ratio: 1600 / 420;
  object-fit: cover;
  opacity: .5;
}

.page-home .ph-ice__cap {
  position: absolute;
  inset: auto 0 0 0;
  background: linear-gradient(180deg, transparent, rgba(8, 12, 36, .9) 62%);
}

.page-home .ph-ice__cap .wrap {
  padding-top: 28px;
  padding-bottom: 32px;
}

.page-home .ph-ice__text {
  max-width: 40em;
  margin: 12px 0 0;
  font-size: 15px;
  line-height: 1.75;
  color: rgba(243, 235, 221, .86);
}

/* ---------- 响应式 ---------- */
@media (min-width: 640px) {
  .page-home .ph-cats__grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .page-home .ph-items__grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

@media (min-width: 900px) {
  .page-home .ph-hero__inner {
    grid-template-columns: 42fr 58fr;
    align-items: stretch;
  }

  .page-home .ph-hero__copy {
    padding: 88px 48px 72px 40px;
  }

  .page-home .ph-hero__visual {
    aspect-ratio: auto;
    min-height: 620px;
  }

  .page-home .ph-sub {
    padding: 92px 0 84px;
    clip-path: polygon(0 48px, 100% 0, 100% 100%, 0 100%);
  }

  .page-home .ph-sub__grid {
    grid-template-columns: 1.35fr 1fr;
    gap: 56px;
    align-items: start;
  }

  .page-home .ph-ranks__grid {
    grid-template-columns: 1fr 1.1fr;
    gap: 60px;
    align-items: start;
  }

  .page-home .ph-start__steps {
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 32px;
  }

  .page-home .ph-step {
    border-top: 1px solid var(--ph-line-dark);
  }
}

@media (min-width: 1000px) {
  .page-home .ph-cats__grid {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }
}

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

@media (max-width: 767px) {
  .page-home .ph-sub {
    clip-path: none;
    padding-top: 60px;
  }

  .page-home .ph-ranks {
    clip-path: none;
    padding-bottom: 68px;
  }

  .page-home .ph-ranks__node {
    height: 74px;
  }

  .page-home .ph-ranks__node .mono {
    font-size: 9px;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-home .ph-cat,
  .page-home .ph-ranks__node::before,
  .page-home .ph-cats__chips .chip {
    transition: none;
  }

  .page-home .ph-cat:hover {
    transform: none;
  }
}
<<<END>>>