.page-home {
  --home-title-size: clamp(3rem, 12vw, 7rem);
  --home-ink-mid: #c3cee6;
  --home-glow: 0 22px 54px -26px rgba(63, 224, 207, 0.55);
  position: relative;
  overflow-x: clip;
}

.page-home [data-reveal] {
  transition: opacity 520ms var(--ease), transform 520ms var(--ease);
}

/* ---------- 首屏 ---------- */

.page-home .hero-home {
  position: relative;
  padding-block: clamp(32px, 5vw, 64px) 0;
}

.page-home .hero-home__grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 44px;
  align-items: center;
}

.page-home .hero-home__eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  margin: 0 0 20px;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.22em;
  text-transform: uppercase;
  color: var(--c-ink-soft);
}

.page-home .hero-home__eyebrow::before {
  content: "";
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--c-orange);
  box-shadow: 0 0 0 4px rgba(255, 106, 43, 0.16);
}

.page-home .hero-home__title {
  margin: 0;
  font-family: var(--font-display);
  color: var(--c-ink);
}

.page-home .hero-home__title-main {
  display: block;
  font-size: var(--home-title-size);
  font-weight: 200;
  line-height: 0.92;
  letter-spacing: -0.035em;
}

.page-home .hero-home__title-sub {
  display: block;
  margin-top: 0.16em;
  font-size: clamp(1.2rem, 3.4vw, 2rem);
  font-weight: 700;
  line-height: 1.25;
  letter-spacing: 0.01em;
  color: var(--c-ink);
}

.page-home .hero-home__intro {
  margin: 26px 0 0;
  max-width: 33em;
  font-size: clamp(0.95rem, 1.5vw, 1.05rem);
  line-height: 1.85;
  color: var(--home-ink-mid);
}

.page-home .hero-home__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 30px;
}

/* 首屏视觉 */

.page-home .hero-home__visual {
  position: relative;
  display: grid;
  place-items: center;
  width: 100%;
  max-width: 540px;
  aspect-ratio: 1 / 1;
  justify-self: center;
  isolation: isolate;
}

.page-home .hero-home__photo {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  border-radius: 32px;
  opacity: 0.42;
  z-index: 0;
  -webkit-mask-image: radial-gradient(circle at 60% 44%, #000 0%, rgba(0, 0, 0, 0.55) 52%, transparent 80%);
  mask-image: radial-gradient(circle at 60% 44%, #000 0%, rgba(0, 0, 0, 0.55) 52%, transparent 80%);
}

.page-home .hero-home__ringbase {
  position: absolute;
  right: -8%;
  bottom: -10%;
  width: 60%;
  height: auto;
  opacity: 0.22;
  border-radius: 50%;
  z-index: 1;
  pointer-events: none;
}

/* 轨道导航 */

.page-home .orbit {
  position: relative;
  width: min(100%, 520px);
  aspect-ratio: 1 / 1;
  z-index: 2;
}

.page-home .orbit__rings {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  overflow: visible;
}

.page-home .orbit__track {
  fill: none;
  stroke: var(--c-line);
  stroke-width: 1;
  transition: stroke 220ms var(--ease), stroke-width 220ms var(--ease);
}

.page-home .orbit__dash {
  fill: none;
  stroke: rgba(63, 224, 207, 0.4);
  stroke-width: 1.5;
  stroke-dasharray: 3 13;
  stroke-linecap: round;
  transform-origin: 200px 200px;
  animation: home-orbit-spin 12s linear infinite;
}

@keyframes home-orbit-spin {
  to { transform: rotate(360deg); }
}

.page-home .orbit__core {
  fill: var(--c-cyan);
  filter: drop-shadow(0 0 6px rgba(63, 224, 207, 0.85));
}

.page-home .orbit__node {
  position: absolute;
  display: grid;
  gap: 2px;
  padding: 10px 15px;
  border: 1px solid var(--c-line);
  border-radius: 16px;
  background: rgba(13, 20, 40, 0.86);
  color: var(--c-ink);
  text-decoration: none;
  white-space: nowrap;
  translate: -50% -50%;
  z-index: 3;
  transition: border-color 200ms var(--ease), box-shadow 220ms var(--ease), transform 200ms var(--ease);
}

.page-home .orbit__node--outer { left: 76.6%; top: 11.9%; }
.page-home .orbit__node--mid { left: 77.2%; top: 72.8%; }
.page-home .orbit__node--inner { left: 25.5%; top: 50%; }

.page-home .orbit__node-label {
  font-size: 14px;
  font-weight: 600;
  letter-spacing: 0.02em;
}

.page-home .orbit__node-meta {
  font-size: 11px;
  line-height: 1.5;
  color: var(--c-ink-soft);
  max-height: 0;
  opacity: 0;
  overflow: hidden;
  transition: max-height 240ms var(--ease), opacity 240ms var(--ease);
}

.page-home .orbit__node:hover,
.page-home .orbit__node:focus-visible {
  border-color: var(--c-cyan);
  box-shadow: 0 0 0 1px rgba(63, 224, 207, 0.3), var(--home-glow);
}

.page-home .orbit__node:hover .orbit__node-meta,
.page-home .orbit__node:focus-visible .orbit__node-meta {
  max-height: 3em;
  opacity: 1;
}

.page-home .orbit__node:active {
  transform: scale(0.985);
}

.page-home .orbit:has(.orbit__node--outer:hover) .orbit__track--outer,
.page-home .orbit:has(.orbit__node--outer:focus-visible) .orbit__track--outer,
.page-home .orbit:has(.orbit__node--mid:hover) .orbit__track--mid,
.page-home .orbit:has(.orbit__node--mid:focus-visible) .orbit__track--mid,
.page-home .orbit:has(.orbit__node--inner:hover) .orbit__track--inner,
.page-home .orbit:has(.orbit__node--inner:focus-visible) .orbit__track--inner {
  stroke: var(--c-cyan);
  stroke-width: 1.8;
}

/* 状态条 */

.page-home .hero-home__status {
  margin-top: clamp(40px, 6vw, 72px);
}

.page-home .status-rail {
  display: flex;
  flex-wrap: wrap;
  gap: 14px 44px;
  margin: 0;
  padding: 18px 0;
  border-top: 1px solid var(--c-line);
  border-bottom: 1px solid var(--c-line);
}

.page-home .status-rail__item {
  display: flex;
  align-items: baseline;
  gap: 10px;
  margin: 0;
}

.page-home .status-rail__key {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--c-ink-soft);
}

.page-home .status-rail__val {
  margin: 0;
  font-size: 15px;
  color: var(--c-ink);
}

/* ---------- 通用章节 ---------- */

.page-home .home-chapter {
  position: relative;
  padding-block: clamp(64px, 10vw, 118px);
}

.page-home .home-chapter::before {
  content: "";
  position: absolute;
  top: clamp(22px, 4vw, 48px);
  left: max(16px, calc((100% - var(--shell)) / 2));
  width: clamp(88px, 15vw, 190px);
  height: 1px;
  background: linear-gradient(90deg, var(--c-cyan) 0%, rgba(63, 224, 207, 0.08) 100%);
  transform: rotate(-15deg);
  transform-origin: 0 50%;
  opacity: 0.7;
  pointer-events: none;
}

.page-home .section-head__index {
  margin: 0 0 8px;
  font-family: var(--font-mono);
  font-size: clamp(2.6rem, 5.6vw, 4.4rem);
  font-weight: 700;
  line-height: 1;
  letter-spacing: -0.04em;
  color: transparent;
  background: linear-gradient(158deg, var(--c-cyan) 0%, rgba(63, 224, 207, 0.06) 72%);
  -webkit-background-clip: text;
  background-clip: text;
}

.page-home .section-head__title {
  margin: 0 0 10px;
  font-family: var(--font-display);
  font-weight: 300;
  font-size: clamp(1.6rem, 3.6vw, 2.5rem);
  line-height: 1.18;
  letter-spacing: -0.01em;
  color: var(--c-ink);
}

.page-home .section-head__note {
  margin: 0;
  max-width: 46em;
  font-size: 13px;
  line-height: 1.7;
  color: var(--c-ink-soft);
}

/* ---------- 01 信号面板 ---------- */

.page-home .home-signal__stats {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 26px 20px;
  margin-top: 44px;
}

.page-home .home-signal__stats .stat__value {
  font-size: clamp(2rem, 4.4vw, 3rem);
  line-height: 1;
  color: var(--c-ink);
}

.page-home .home-signal__stats .stat__unit {
  margin-left: 6px;
  font-size: 0.42em;
  color: var(--c-ink-soft);
  letter-spacing: 0.06em;
}

.page-home .home-signal__stats .stat__label {
  margin-top: 10px;
  font-size: 13px;
  line-height: 1.6;
  color: var(--c-ink-soft);
}

.page-home .home-signal__body {
  display: grid;
  gap: 28px;
  margin-top: 48px;
}

.page-home .home-signal__figure {
  margin: 0;
}

.page-home .home-signal__figure img {
  width: 100%;
  height: auto;
  object-fit: cover;
  border-radius: var(--radius-card);
  opacity: 0.9;
}

.page-home .home-snapshot {
  position: relative;
  padding: 24px 26px 26px 30px;
  border: 1px solid var(--c-line);
  border-radius: var(--radius-card);
  background: var(--c-panel-soft);
}

.page-home .home-snapshot::before {
  content: "";
  position: absolute;
  top: 22px;
  bottom: 22px;
  left: 0;
  width: 3px;
  border-radius: 0 3px 3px 0;
  background: linear-gradient(180deg, var(--c-orange), rgba(255, 106, 43, 0.12));
}

.page-home .home-snapshot__value {
  margin: 10px 0 0;
  font-size: clamp(1.8rem, 4vw, 2.5rem);
  line-height: 1;
  color: var(--c-orange);
  letter-spacing: -0.02em;
}

.page-home .home-snapshot__note {
  margin: 16px 0 20px;
  font-size: 14px;
  line-height: 1.8;
  color: var(--home-ink-mid);
}

/* ---------- 02 对比条 ---------- */

.page-home .home-ratio {
  display: grid;
  gap: 30px;
  margin-top: 44px;
}

.page-home .home-ratio__row {
  display: grid;
  gap: 16px;
  padding: 24px;
  border: 1px solid var(--c-line);
  border-radius: var(--radius-card);
  background: var(--c-panel-soft);
}

.page-home .home-ratio__hint {
  margin: 8px 0 0;
  font-size: 13px;
  line-height: 1.7;
  color: var(--c-ink-soft);
}

.page-home .home-ratio__band {
  margin: 0;
  padding: 0;
  list-style: none;
}

.page-home .band-price {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 4px;
}

.page-home .band-price__seg {
  display: flex;
  align-items: center;
  justify-content: center;
  min-height: 54px;
  padding: 10px 6px;
  color: #05070f;
  font-size: 14px;
  font-weight: 700;
  letter-spacing: 0.02em;
  text-align: center;
}

.page-home .band-price__seg--1 { background: var(--tier-1); border-radius: 12px 0 0 0; }
.page-home .band-price__seg--2 { background: var(--tier-2); border-radius: 0 12px 0 0; }
.page-home .band-price__seg--3 { background: var(--tier-3); border-radius: 0 0 0 12px; }
.page-home .band-price__seg--4 { background: var(--tier-4); border-radius: 0 0 12px 0; }

.page-home .temp-scale {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 4px;
}

.page-home .temp-scale__step {
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  gap: 6px;
  min-height: 62px;
  padding: 14px 14px;
  border-radius: 12px;
  color: #05070f;
}

.page-home .temp-scale__step--cold { background: linear-gradient(180deg, #a8d6ff 0%, var(--warm-cold) 100%); }
.page-home .temp-scale__step--warm { background: linear-gradient(180deg, #ffdc9c 0%, var(--warm-mid) 100%); }
.page-home .temp-scale__step--hot { background: linear-gradient(180deg, #ffa273 0%, var(--warm-hot) 100%); }

.page-home .temp-scale__num {
  font-size: 1.55rem;
  font-weight: 700;
  line-height: 1;
}

.page-home .temp-scale__unit {
  font-size: 13px;
  font-weight: 600;
}

.page-home .temp-scale__tag {
  flex-basis: 100%;
  font-family: var(--font-mono);
  font-size: 10px;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  opacity: 0.66;
}

.page-home .home-ratio__link {
  justify-self: start;
}

.page-home .home-ratio__foot {
  margin: 32px 0 0;
  max-width: 50em;
  font-size: 13px;
  line-height: 1.8;
  color: var(--c-ink-soft);
}

/* ---------- 03 城市覆盖 ---------- */

.page-home .home-coverage {
  display: grid;
  gap: 36px;
  align-items: start;
}

.page-home .home-coverage__list {
  margin: 30px 0 0;
  padding: 0;
  list-style: none;
  display: grid;
  gap: 0;
  border-top: 1px solid var(--c-line);
}

.page-home .home-coverage__list li {
  display: grid;
  grid-template-columns: auto minmax(0, 1fr);
  align-items: baseline;
  gap: 4px 14px;
  padding: 18px 0;
  border-bottom: 1px solid var(--c-line);
}

.page-home .home-coverage__num {
  font-size: clamp(1.5rem, 3.2vw, 2rem);
  line-height: 1;
  color: var(--c-ink);
}

.page-home .home-coverage__name {
  font-size: 15px;
  font-weight: 600;
  color: var(--c-ink);
}

.page-home .home-coverage__hint {
  grid-column: 2;
  font-size: 12.5px;
  line-height: 1.7;
  color: var(--c-ink-soft);
}

.page-home .home-coverage__note {
  margin: 24px 0 22px;
  max-width: 34em;
  font-size: 13.5px;
  line-height: 1.85;
  color: var(--home-ink-mid);
}

.page-home .home-coverage__figure {
  margin: 0;
}

.page-home .home-coverage__figure img {
  width: 100%;
  height: auto;
  object-fit: cover;
  border-radius: var(--radius-card);
  opacity: 0.88;
}

/* ---------- 04 老用户对照 ---------- */

.page-home .home-upgrade {
  display: grid;
  gap: 38px;
  margin-top: 40px;
}

.page-home .home-upgrade__intro p {
  margin: 0 0 16px;
  max-width: 36em;
  font-size: 15px;
  line-height: 1.9;
  color: var(--home-ink-mid);
}

.page-home .home-upgrade__intro .btn {
  margin-top: 8px;
}

.page-home .home-timeline {
  position: relative;
  margin: 0;
  padding: 6px 0;
  list-style: none;
  display: grid;
  gap: 18px;
}

.page-home .home-timeline::before {
  content: "";
  position: absolute;
  top: 0;
  bottom: 0;
  left: 50%;
  width: 1px;
  background: linear-gradient(180deg, transparent, var(--c-line) 10%, var(--c-line) 90%, transparent);
}

.page-home .home-timeline__item {
  position: relative;
  width: calc(50% - 30px);
  padding: 15px 18px;
  border: 1px solid var(--c-line);
  border-radius: 18px;
  background: var(--c-panel-soft);
  transition: border-color 220ms var(--ease);
}

.page-home .home-timeline__item:nth-child(odd) {
  justify-self: start;
  text-align: right;
}

.page-home .home-timeline__item:nth-child(even) {
  justify-self: end;
}

.page-home .home-timeline__item::after {
  content: "";
  position: absolute;
  top: 24px;
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--c-line);
}

.page-home .home-timeline__item:nth-child(odd)::after { right: -34px; }
.page-home .home-timeline__item:nth-child(even)::after { left: -34px; }

.page-home .home-timeline__year {
  display: block;
  font-size: 13px;
  letter-spacing: 0.12em;
  color: var(--c-ink-soft);
}

.page-home .home-timeline__text {
  display: block;
  margin-top: 6px;
  font-size: 14px;
  line-height: 1.7;
  color: var(--c-ink);
}

.page-home .home-timeline__item--version {
  border-color: rgba(160, 107, 255, 0.55);
}

.page-home .home-timeline__item--version .home-timeline__year {
  color: var(--c-purple);
}

.page-home .home-timeline__item--version::after {
  background: var(--c-purple);
  box-shadow: 0 0 0 4px rgba(160, 107, 255, 0.18);
}

/* ---------- 05 维护节奏 ---------- */

.page-home .home-rhythm {
  display: grid;
  gap: 36px;
  margin-top: 42px;
}

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

.page-home .home-rhythm__roles li {
  display: flex;
  align-items: baseline;
  gap: 16px;
  padding: 16px 0;
  border-bottom: 1px solid var(--c-line);
}

.page-home .home-rhythm__roles .num {
  font-size: clamp(1.5rem, 3vw, 2rem);
  line-height: 1;
  color: var(--c-ink);
}

.page-home .home-rhythm__roles span:last-child {
  font-size: 14px;
  color: var(--c-ink-soft);
}

.page-home .home-rhythm__aside {
  margin: 22px 0 0;
  max-width: 32em;
  font-size: 13px;
  line-height: 1.85;
  color: var(--c-ink-soft);
}

.page-home .home-rhythm__folds {
  display: grid;
  gap: 12px;
  align-content: start;
}

.page-home .home-rhythm__trust {
  margin: 40px 0 0;
  padding: 22px 26px;
  border: 1px solid var(--c-line);
  border-radius: var(--radius-card);
  background: var(--c-panel);
  font-size: 13.5px;
  line-height: 1.85;
  color: var(--home-ink-mid);
}

/* ---------- 响应式 ---------- */

@media (min-width: 860px) {
  .page-home .hero-home__grid {
    grid-template-columns: minmax(0, 7fr) minmax(0, 5fr);
    gap: 40px;
  }

  .page-home .home-signal__stats {
    grid-template-columns: repeat(4, minmax(0, 1fr));
    gap: 28px;
    margin-top: 52px;
  }

  .page-home .home-signal__body {
    grid-template-columns: minmax(0, 1.3fr) minmax(0, 1fr);
    align-items: center;
    gap: 46px;
  }

  .page-home .home-ratio__row {
    grid-template-columns: minmax(0, 200px) minmax(0, 1fr) auto;
    align-items: center;
    gap: 26px;
    padding: 28px 30px;
  }

  .page-home .home-ratio__row .home-ratio__lead {
    min-width: 0;
  }

  .page-home .home-coverage {
    grid-template-columns: minmax(0, 6fr) minmax(0, 6fr);
    gap: 52px;
  }

  .page-home .home-upgrade {
    grid-template-columns: minmax(0, 5fr) minmax(0, 7fr);
    gap: 52px;
    align-items: start;
  }

  .page-home .home-rhythm {
    grid-template-columns: minmax(0, 5fr) minmax(0, 7fr);
    gap: 52px;
  }
}

@media (min-width: 600px) {
  .page-home .band-price {
    grid-template-columns: repeat(4, minmax(0, 1fr));
  }

  .page-home .band-price__seg--1 { border-radius: 12px 0 0 12px; }
  .page-home .band-price__seg--2 { border-radius: 0; }
  .page-home .band-price__seg--3 { border-radius: 0; }
  .page-home .band-price__seg--4 { border-radius: 0 12px 12px 0; }
}

@media (max-width: 759px) {
  .page-home .hero-home__visual {
    aspect-ratio: auto;
    max-width: 100%;
    gap: 22px;
  }

  .page-home .hero-home__photo {
    position: static;
    height: auto;
    aspect-ratio: 16 / 9;
    opacity: 0.72;
    border-radius: 24px;
    -webkit-mask-image: none;
    mask-image: none;
  }

  .page-home .hero-home__ringbase,
  .page-home .orbit__rings {
    display: none;
  }

  .page-home .orbit {
    aspect-ratio: auto;
    width: 100%;
    display: grid;
    gap: 10px;
  }

  .page-home .orbit__node {
    position: static;
    translate: none;
    transform: none;
    white-space: normal;
    padding: 14px 16px;
  }

  .page-home .orbit__node-meta {
    max-height: none;
    opacity: 1;
    overflow: visible;
  }

  .page-home .home-timeline::before {
    left: 7px;
  }

  .page-home .home-timeline__item {
    width: 100%;
    text-align: left !important;
    justify-self: stretch;
  }

  .page-home .home-timeline__item::after {
    display: none;
  }
}

@media (max-width: 479px) {
  .page-home .temp-scale {
    grid-template-columns: minmax(0, 1fr);
  }

  .page-home .status-rail {
    gap: 12px 28px;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-home .orbit__dash {
    animation: none;
  }

  .page-home [data-reveal] {
    transition: none;
  }

  .page-home .orbit__node,
  .page-home .home-timeline__item {
    transition: none;
  }

  .page-home .orbit__node:active {
    transform: none;
  }
}