.page-home {
  --ph-panel: rgba(14, 24, 54, .72);
  --ph-hair: rgba(38, 50, 92, .55);
  background: var(--void);
  color: var(--stardust);
  font-family: var(--font-body);
}

.page-home h1,
.page-home h2,
.page-home h3 {
  font-family: var(--font-head);
  letter-spacing: -.02em;
}

.page-home a {
  text-decoration: none;
}

/* ---------- 首屏 ---------- */

.page-home .hero {
  position: relative;
  overflow: hidden;
  padding: 48px 0 64px;
  border-bottom: 1px solid var(--line);
}

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

.page-home .hero__backdrop img {
  display: block;
  width: 100%;
  height: 100%;
  object-fit: cover;
  opacity: .32;
}

.page-home .hero__backdrop::after {
  content: "";
  position: absolute;
  inset: 0;
  background:
    linear-gradient(180deg, rgba(7, 14, 34, .5) 0%, rgba(7, 14, 34, .88) 60%, var(--void) 100%),
    repeating-linear-gradient(90deg, var(--ph-hair) 0 1px, transparent 1px 72px);
}

.page-home .hero__orbit {
  position: absolute;
  inset: 0;
  z-index: 1;
  width: 100%;
  height: 100%;
  pointer-events: none;
}

.page-home .orbit-line {
  fill: none;
  stroke: var(--cyan);
  stroke-width: 1;
  stroke-dasharray: 1700;
  stroke-dashoffset: 1700;
  animation: ph-draw 1.4s var(--ease) .25s forwards;
}

.page-home .orbit-line--b {
  stroke: var(--pulse);
  opacity: .45;
  animation-delay: .55s;
}

@keyframes ph-draw {
  to { stroke-dashoffset: 0; }
}

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

.page-home .hero__eyebrow {
  margin: 0 0 28px;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: .2em;
  text-transform: uppercase;
  color: var(--cyan);
}

.page-home .hero__title {
  margin: 0;
  font-size: clamp(2.75rem, 7.5vw, 7rem);
  line-height: .92;
  font-weight: 800;
  letter-spacing: -.035em;
  color: var(--stardust);
  text-wrap: balance;
}

.page-home .hero__lede {
  margin: 28px 0 0;
  max-width: 32em;
  font-size: 16px;
  line-height: 1.85;
  color: var(--mist);
}

.page-home .hero__stars {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin: 40px 0 0;
  padding: 0;
  list-style: none;
}

.page-home .star-link {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  padding: 12px 18px 12px 14px;
  border: 1px solid var(--line);
  background: var(--ph-panel);
  color: var(--stardust);
  transition: border-color .25s var(--ease), background .25s var(--ease);
}

.page-home .star-link:hover,
.page-home .star-link:focus-visible {
  border-color: var(--cyan);
  background: var(--card);
}

.page-home .star-link__mark {
  flex: none;
  width: 16px;
  height: 16px;
  background: var(--pulse);
  clip-path: polygon(50% 0%, 61% 35%, 98% 35%, 68% 57%, 79% 91%, 50% 70%, 21% 91%, 32% 57%, 2% 35%, 39% 35%);
  transition: transform .3s var(--ease);
}

.page-home .star-link--cyan .star-link__mark { background: var(--cyan); }
.page-home .star-link--amber .star-link__mark { background: var(--amber); }

.page-home .star-link:hover .star-link__mark,
.page-home .star-link:focus-visible .star-link__mark {
  transform: rotate(45deg);
}

.page-home .star-link__text {
  display: flex;
  flex-direction: column;
  gap: 2px;
  font-size: 14px;
  line-height: 1.3;
}

.page-home .star-link__note {
  font-size: 12px;
  color: var(--mist);
  letter-spacing: .02em;
}

@media (hover: hover) {
  .page-home .star-link__note {
    max-height: 0;
    opacity: 0;
    overflow: hidden;
    transition: max-height .3s var(--ease), opacity .3s var(--ease);
  }

  .page-home .star-link:hover .star-link__note,
  .page-home .star-link:focus-visible .star-link__note {
    max-height: 26px;
    opacity: 1;
  }
}

/* ---------- 章节骨架 ---------- */

.page-home .sec {
  position: relative;
  padding: 56px 0;
  border-bottom: 1px solid var(--line);
}

.page-home .sec--board {
  background:
    linear-gradient(180deg, rgba(36, 22, 82, .55) 0%, rgba(7, 14, 34, 0) 55%),
    var(--void);
}

.page-home .sec__rail {
  display: flex;
  align-items: baseline;
  gap: 12px;
  margin-bottom: 24px;
}

.page-home .sec__num {
  font-size: 40px;
  line-height: 1;
  letter-spacing: -.04em;
  color: var(--cyan);
}

.page-home .sec__label {
  font-size: 12px;
  letter-spacing: .2em;
  color: var(--mist);
}

.page-home .sec__title {
  margin: 0 0 16px;
  font-size: clamp(1.5rem, 3.2vw, 2.375rem);
  line-height: 1.22;
  font-weight: 700;
  color: var(--stardust);
}

.page-home .sec__lede {
  margin: 0 0 32px;
  max-width: 36em;
  font-size: 16px;
  line-height: 1.85;
  color: var(--mist);
}

/* ---------- 01 前瞻 ---------- */

.page-home .preview-grid {
  display: grid;
  gap: 1px;
  background: var(--line);
  border: 1px solid var(--line);
}

.page-home .p-card {
  padding: 24px;
  background: var(--card);
}

.page-home .p-card__kicker {
  margin: 0 0 12px;
  font-size: 12px;
  letter-spacing: .16em;
  color: var(--pulse);
}

.page-home .p-card__title {
  margin: 0 0 10px;
  font-size: 18px;
  font-weight: 700;
  color: var(--stardust);
}

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

.page-home .timeline {
  margin: 40px 0 0;
  padding: 0;
  list-style: none;
}

.page-home .timeline li {
  position: relative;
  padding: 0 0 24px 26px;
  border-left: 1px solid var(--line);
}

.page-home .timeline li:last-child {
  padding-bottom: 0;
  border-left-color: transparent;
}

.page-home .timeline li::before {
  content: "";
  position: absolute;
  left: -4px;
  top: 6px;
  width: 7px;
  height: 7px;
  background: var(--cyan);
}

.page-home .timeline__step {
  margin: 0 0 6px;
  font-size: 13px;
  letter-spacing: .1em;
  color: var(--cyan);
}

.page-home .timeline__text {
  margin: 0;
  font-size: 15px;
  line-height: 1.75;
  color: var(--mist);
}

/* ---------- 02 方案 ---------- */

.page-home .plans__figure {
  margin: 0 0 32px;
  border: 1px solid var(--line);
  background: var(--card);
}

.page-home .plans__figure img {
  display: block;
  width: 100%;
  height: auto;
  object-fit: cover;
  aspect-ratio: 8 / 5;
}

.page-home .plans__figure figcaption {
  padding: 12px 16px;
  border-top: 1px solid var(--line);
  font-size: 13px;
  color: var(--mist);
}

.page-home .cycle-bar {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-bottom: 16px;
}

.page-home .cycle-list {
  display: grid;
  gap: 1px;
  background: var(--line);
  border: 1px solid var(--line);
  margin-bottom: 32px;
}

.page-home .cycle-item {
  padding: 20px;
  background: var(--card);
}

.page-home .cycle-item__name {
  margin: 0 0 6px;
  font-size: 13px;
  letter-spacing: .14em;
  color: var(--mist);
}

.page-home .cycle-item__price {
  margin: 0 0 8px;
  font-size: 26px;
  line-height: 1.1;
  color: var(--amber);
  font-variant-numeric: tabular-nums;
}

.page-home .cycle-item__price span {
  font-size: 13px;
  color: var(--mist);
  letter-spacing: .02em;
}

.page-home .cycle-item__text {
  margin: 0;
  font-size: 14px;
  line-height: 1.75;
  color: var(--mist);
}

.page-home .plan-grid {
  display: grid;
  gap: 1px;
  background: var(--line);
  border: 1px solid var(--line);
}

.page-home .plan {
  display: flex;
  flex-direction: column;
  gap: 10px;
  padding: 26px 22px 28px;
  background: var(--card);
}

.page-home .plan--featured {
  background: var(--nebula);
  box-shadow: inset 0 2px 0 0 var(--pulse);
}

.page-home .plan__tier {
  margin: 0;
  font-size: 13px;
  letter-spacing: .16em;
  color: var(--mist);
}

.page-home .plan__price {
  margin: 0;
  font-size: 38px;
  line-height: 1;
  color: var(--stardust);
  font-variant-numeric: tabular-nums;
}

.page-home .plan__price span {
  font-size: 14px;
  color: var(--mist);
  margin-left: 4px;
}

.page-home .plan__season {
  margin: 0;
  font-size: 13px;
  color: var(--cyan);
  font-variant-numeric: tabular-nums;
}

.page-home .plan__list {
  margin: 8px 0 0;
  padding: 14px 0 0;
  border-top: 1px solid var(--line);
  list-style: none;
  display: grid;
  gap: 8px;
}

.page-home .plan__list li {
  position: relative;
  padding-left: 16px;
  font-size: 14px;
  line-height: 1.7;
  color: var(--mist);
}

.page-home .plan__list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 9px;
  width: 6px;
  height: 1px;
  background: var(--cyan);
}

.page-home .report-band {
  margin-top: 24px;
  padding: 22px;
  border: 1px solid var(--line);
  border-left: 2px solid var(--pulse);
  background: rgba(36, 22, 82, .45);
}

.page-home .report-band__title {
  margin: 0 0 14px;
  font-size: 15px;
  font-weight: 700;
  color: var(--stardust);
}

.page-home .report-band__list {
  display: grid;
  gap: 10px;
  margin: 0;
  padding: 0;
  list-style: none;
}

.page-home .report-band__list li {
  display: flex;
  justify-content: space-between;
  align-items: baseline;
  gap: 16px;
  padding-bottom: 8px;
  border-bottom: 1px solid var(--line);
  font-size: 14px;
  color: var(--mist);
}

.page-home .report-band__list li:last-child {
  border-bottom: 0;
  padding-bottom: 0;
}

.page-home .report-band__list .mono {
  color: var(--stardust);
  font-size: 15px;
  font-variant-numeric: tabular-nums;
}

.page-home .plans__cta {
  display: flex;
  flex-direction: column;
  gap: 12px;
  margin: 28px 0 0;
}

.page-home .plans__hint {
  font-size: 13px;
  line-height: 1.7;
  color: var(--mist);
}

/* ---------- 03 积分榜 ---------- */

.page-home .board-layout {
  display: grid;
  gap: 28px;
}

.page-home .board-filter {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-bottom: 16px;
}

.page-home .board-list {
  margin: 0;
  padding: 0;
  list-style: none;
  border-top: 1px solid var(--line);
}

.page-home .board-row {
  display: grid;
  grid-template-columns: 84px 1fr;
  gap: 4px 14px;
  align-items: baseline;
  padding: 14px 8px;
  border-bottom: 1px solid var(--line);
  transition: background .2s var(--ease);
}

.page-home .board-row:hover {
  background: var(--card);
}

.page-home .board-row__name {
  font-size: 15px;
  font-weight: 700;
  color: var(--stardust);
}

.page-home .board-row__mode {
  justify-self: start;
}

.page-home .board-row__desc {
  grid-column: 1 / -1;
  font-size: 14px;
  line-height: 1.7;
  color: var(--mist);
}

.page-home .board-side {
  border: 1px solid var(--line);
  background: var(--card);
}

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

.page-home .board-side__text {
  margin: 0;
  padding: 16px;
  border-top: 1px solid var(--line);
  font-size: 13px;
  line-height: 1.8;
  color: var(--mist);
}

/* ---------- 04 内容与来源 ---------- */

.page-home .flow {
  display: grid;
  gap: 1px;
  background: var(--line);
  border: 1px solid var(--line);
}

.page-home .flow__step {
  padding: 22px;
  background: var(--card);
}

.page-home .flow__num {
  margin: 0 0 12px;
  font-size: 24px;
  line-height: 1;
  color: var(--cyan);
  letter-spacing: -.04em;
}

.page-home .flow__name {
  margin: 0 0 8px;
  font-size: 16px;
  font-weight: 700;
  color: var(--stardust);
}

.page-home .flow__text {
  margin: 0;
  font-size: 14px;
  line-height: 1.75;
  color: var(--mist);
}

.page-home .net {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 20px 16px;
  margin-top: 32px;
}

.page-home .net__item {
  padding-left: 14px;
  border-left: 2px solid var(--cyan);
}

.page-home .net__num {
  margin: 0 0 6px;
  font-size: 26px;
  line-height: 1;
  color: var(--stardust);
  font-variant-numeric: tabular-nums;
}

.page-home .net__num span {
  font-size: 13px;
  color: var(--mist);
  margin-left: 2px;
}

.page-home .net__label {
  margin: 0;
  font-size: 13px;
  line-height: 1.6;
  color: var(--mist);
}

.page-home .process__note {
  margin: 32px 0 0;
  padding-top: 20px;
  border-top: 1px solid var(--line);
  font-size: 14px;
  line-height: 1.85;
  color: var(--mist);
}

/* ---------- 05 动态索引 ---------- */

.page-home .log-index {
  margin: 0;
  padding: 0;
  list-style: none;
  border-top: 1px solid var(--line);
}

.page-home .log-item {
  border-bottom: 1px solid var(--line);
}

.page-home .log-link {
  display: grid;
  grid-template-columns: 1fr auto;
  gap: 6px 12px;
  padding: 14px 6px;
  color: var(--stardust);
  transition: background .2s var(--ease), color .2s var(--ease);
}

.page-home .log-link:hover,
.page-home .log-link:focus-visible {
  background: var(--card);
}

.page-home .log-tag {
  grid-column: 1 / -1;
  font-size: 12px;
  letter-spacing: .14em;
  color: var(--pulse);
}

.page-home .log-title {
  font-size: 14px;
  line-height: 1.7;
  color: var(--stardust);
}

.page-home .log-link:hover .log-title {
  color: var(--cyan);
}

.page-home .log-go {
  font-family: var(--font-mono);
  font-size: 14px;
  color: var(--mist);
}

/* ---------- 06 帮助 ---------- */

.page-home .help-grid {
  display: grid;
  gap: 28px;
}

.page-home .help-list {
  border-top: 1px solid var(--line);
  padding-top: 20px;
}

.page-home .help-list__title {
  margin: 0 0 14px;
  font-size: 13px;
  letter-spacing: .16em;
  color: var(--mist);
}

.page-home .help-list ul {
  margin: 0;
  padding: 0;
  list-style: none;
  display: grid;
  gap: 12px;
}

.page-home .help-list li {
  display: grid;
  grid-template-columns: 28px 1fr;
  gap: 10px;
  font-size: 14px;
  line-height: 1.7;
  color: var(--mist);
}

.page-home .help-list__k {
  color: var(--cyan);
  font-size: 12px;
  padding-top: 3px;
}

.page-home .help-list__cta {
  margin: 24px 0 0;
}

.page-home .help-contact {
  padding: 24px;
  border: 1px solid var(--line);
  background: var(--nebula);
}

.page-home .help-contact__title {
  margin: 0 0 16px;
  font-size: 13px;
  letter-spacing: .16em;
  color: var(--pulse);
}

.page-home .help-contact .contact-list {
  display: grid;
  gap: 12px;
  margin: 0;
  padding: 0;
  list-style: none;
}

.page-home .help-contact .contact-list__row {
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  gap: 4px 16px;
  padding-bottom: 10px;
  border-bottom: 1px solid var(--line);
  font-size: 14px;
  color: var(--stardust);
}

.page-home .help-contact .contact-list__row:last-child {
  border-bottom: 0;
  padding-bottom: 0;
}

.page-home .help-contact__k {
  color: var(--mist);
  font-size: 13px;
}

.page-home .help-contact__mail {
  word-break: break-all;
}

.page-home .help-contact__note {
  margin: 18px 0 0;
  font-size: 13px;
  line-height: 1.75;
  color: var(--mist);
}

.page-home .help__more {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin: 36px 0 0;
}

/* ---------- 断点 ---------- */

@media (min-width: 620px) {
  .page-home .preview-grid { grid-template-columns: repeat(3, minmax(0, 1fr)); }
  .page-home .cycle-list { grid-template-columns: repeat(3, minmax(0, 1fr)); }
  .page-home .plan-grid { grid-template-columns: repeat(3, minmax(0, 1fr)); }
  .page-home .flow { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .page-home .net { grid-template-columns: repeat(4, minmax(0, 1fr)); }
  .page-home .report-band__list { grid-template-columns: repeat(3, minmax(0, 1fr)); }
  .page-home .report-band__list li { flex-direction: column; align-items: flex-start; gap: 4px; border-bottom: 0; padding-bottom: 0; }
  .page-home .board-row { grid-template-columns: 96px 132px 1fr; }
  .page-home .board-row__desc { grid-column: auto; }
}

@media (min-width: 900px) {
  .page-home .hero {
    padding: 84px 0 104px;
    min-height: 620px;
    display: flex;
    align-items: flex-end;
  }

  .page-home .hero__inner {
    display: grid;
    grid-template-columns: repeat(12, minmax(0, 1fr));
    grid-template-areas:
      "eye eye eye eye eye eye eye eye eye eye eye eye"
      "tit tit tit tit tit tit tit tit tit led led led"
      "sta sta sta sta sta sta sta sta sta sta sta sta";
    column-gap: 24px;
    row-gap: 24px;
    align-items: end;
    width: 100%;
  }

  .page-home .hero__eyebrow {
    grid-area: eye;
    margin: 0;
    align-self: start;
  }

  .page-home .hero__title { grid-area: tit; }

  .page-home .hero__lede {
    grid-area: led;
    margin: 0;
    padding-bottom: 10px;
    font-size: 15px;
  }

  .page-home .hero__stars {
    grid-area: sta;
    margin-top: 40px;
  }

  .page-home .sec {
    padding: 96px 0;
  }

  .page-home .sec__grid {
    display: grid;
    grid-template-columns: 120px minmax(0, 1fr);
    column-gap: 48px;
    align-items: start;
  }

  .page-home .sec__rail {
    flex-direction: column;
    align-items: flex-start;
    gap: 10px;
    margin-bottom: 0;
    padding-left: 16px;
    border-left: 1px solid var(--line);
    position: sticky;
    top: 96px;
  }

  .page-home .sec__num {
    font-size: 64px;
  }

  .page-home .preview-grid {
    margin-top: 8px;
  }

  .page-home .p-card:nth-child(2) { transform: translateY(32px); }
  .page-home .p-card:nth-child(3) { transform: translateY(64px); }

  .page-home .timeline {
    margin-top: 96px;
  }

  .page-home .board-layout {
    grid-template-columns: minmax(0, 7fr) minmax(0, 4fr);
    column-gap: 32px;
  }

  .page-home .board-side {
    align-self: start;
    position: sticky;
    top: 96px;
  }

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

  .page-home .help-grid {
    grid-template-columns: minmax(0, 1.25fr) minmax(0, .75fr);
    column-gap: 40px;
  }

  .page-home .log-link {
    grid-template-columns: 96px 1fr auto;
    align-items: baseline;
    padding: 16px 10px;
  }

  .page-home .log-tag {
    grid-column: auto;
  }

  .page-home .plans__cta {
    flex-direction: row;
    align-items: center;
    gap: 20px;
  }

  .page-home .plans__hint {
    max-width: 40em;
  }
}

@media (min-width: 1100px) {
  .page-home .sec--plans .sec__body {
    display: grid;
    grid-template-columns: minmax(0, 1fr);
  }

  .page-home .plans__figure {
    margin-bottom: 40px;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-home .orbit-line {
    animation: none;
    stroke-dashoffset: 0;
  }

  .page-home .star-link__mark,
  .page-home .star-link__note,
  .page-home .board-row,
  .page-home .log-link {
    transition: none;
  }

  .page-home .p-card:nth-child(2),
  .page-home .p-card:nth-child(3) {
    transform: none;
  }
}
<<<END>>>