.page-home {
  --ph-shadow: 0 1px 2px rgba(11, 24, 54, .06);
  --ph-soft: rgba(61, 69, 82, .68);
  background: var(--paper);
  color: var(--graphite);
}

/* ---------- 首屏 ---------- */
.ph-hero {
  background:
    radial-gradient(circle at 84% 14%, rgba(39, 69, 127, .58), transparent 58%),
    linear-gradient(160deg, var(--indigo-900) 0%, #0d1f45 100%);
  color: var(--paper);
  overflow: hidden;
}

.ph-hero__inner {
  display: grid;
  gap: 2.4rem;
  padding-top: 2.8rem;
  padding-bottom: 3.2rem;
}

.ph-hero__eyebrow {
  color: var(--orange-300);
}

.ph-hero__title {
  font-family: var(--font-head);
  font-weight: 800;
  font-size: clamp(2.05rem, 8vw, 3.9rem);
  line-height: 1.14;
  letter-spacing: -0.01em;
  margin: .7rem 0 0;
  color: var(--paper);
}

.ph-hero__lede {
  margin: 1.2rem 0 0;
  max-width: 46ch;
  font-size: 1.02rem;
  line-height: 1.9;
  color: rgba(252, 249, 244, .84);
}

.ph-hero__actions {
  display: flex;
  flex-wrap: wrap;
  gap: .75rem;
  margin-top: 1.9rem;
}

.page-home .ph-hero__actions .btn--primary {
  background: var(--paper);
  border-color: var(--paper);
  color: var(--indigo-900);
}

.page-home .ph-hero__actions .btn--primary:hover {
  background: var(--orange-300);
  border-color: var(--orange-300);
  color: var(--indigo-900);
}

.page-home .ph-hero__actions .btn--ghost {
  color: var(--paper);
  border-color: rgba(252, 249, 244, .45);
}

.page-home .ph-hero__actions .btn--ghost:hover {
  border-color: var(--paper);
  color: var(--paper);
}

.ph-hero__visual {
  min-width: 0;
}

.ph-svg {
  display: block;
  width: 100%;
  height: auto;
  max-width: 560px;
  margin: 0 auto;
}

.page-home .ph-svg__bg {
  fill: rgba(21, 42, 85, .78);
}

.page-home .ph-svg__grid {
  stroke: rgba(169, 207, 196, .16);
  stroke-width: 1;
}

.page-home .ph-svg__axis {
  stroke: rgba(201, 194, 182, .42);
  stroke-width: 1;
}

.page-home .ph-svg__ticks line {
  stroke: rgba(201, 194, 182, .38);
  stroke-width: 1;
}

.page-home .ph-svg__line {
  fill: none;
  stroke: var(--celadon-600);
  stroke-width: 2;
  stroke-linejoin: round;
  stroke-linecap: round;
}

.page-home .ph-svg__dots circle {
  fill: var(--indigo-900);
  stroke: var(--celadon-200);
  stroke-width: 2;
  transform-box: fill-box;
  transform-origin: center;
  animation: ph-dot-in 400ms var(--ease) both;
  animation-delay: calc(var(--i) * 90ms);
}

@keyframes ph-dot-in {
  from { stroke: var(--orange-600); opacity: .25; transform: scale(.55); }
  to { stroke: var(--celadon-200); opacity: 1; transform: scale(1); }
}

.page-home .ph-svg__label,
.page-home .ph-svg__caps text {
  font-family: var(--font-mono);
  font-size: 13px;
  fill: rgba(252, 249, 244, .58);
}

.page-home .ph-svg__label {
  fill: var(--orange-300);
  letter-spacing: .08em;
}

/* ---------- 品类签条 ---------- */
.ph-band {
  background: var(--ledger);
  border-bottom: 1px solid var(--hair);
}

.page-home .index-band__track {
  display: flex;
}

.page-home .index-band__item {
  display: flex;
  align-items: baseline;
  gap: .55rem;
  padding: 1rem 1.4rem;
  white-space: nowrap;
  color: var(--indigo-900);
  text-decoration: none;
  border-right: 1px solid var(--hair);
  transition: background-color .18s var(--ease);
}

.page-home .index-band__item:first-child {
  border-left: 1px solid var(--hair);
}

.page-home .index-band__item:hover {
  background: var(--paper);
}

.page-home .index-band__name {
  font-family: var(--font-head);
  font-weight: 700;
  font-size: 1rem;
  letter-spacing: -0.01em;
}

.page-home .index-band__price {
  font-size: .84rem;
  color: var(--orange-600);
}

.page-home .index-band__price .num {
  font-size: 1.05rem;
  font-weight: 600;
}

.page-home .index-band__grade {
  font-size: .74rem;
  color: var(--soft, var(--ph-soft));
}

/* ---------- 通用区块 ---------- */
.ph-section {
  padding: 3rem 0;
}

.ph-section--cards {
  background: var(--paper);
}

/* ---------- 三类服务卡 ---------- */
.ph-cards {
  display: grid;
  gap: 1.4rem;
  margin-top: 2.2rem;
}

.file-card {
  position: relative;
  display: flex;
  flex-direction: column;
  background: var(--paper);
  border: 1px solid var(--hair);
  box-shadow: var(--ph-shadow);
  scroll-margin-top: 8rem;
  transition: border-color .18s var(--ease);
}

.file-card::after {
  content: "";
  position: absolute;
  top: 0;
  right: 0;
  width: 12px;
  height: 12px;
  background: var(--ledger);
  border-left: 1px solid var(--hair);
  border-bottom: 1px solid var(--hair);
}

.file-card__band {
  display: block;
  height: 3px;
  background: var(--band-color, var(--orange-600));
  transition: height .18s var(--ease);
}

.ph-cards .file-card:nth-child(1) { --band-color: var(--orange-600); }
.ph-cards .file-card:nth-child(2) { --band-color: var(--celadon-600); }
.ph-cards .file-card:nth-child(3) { --band-color: var(--indigo-500); }

.file-card:hover,
.file-card:target {
  border-color: var(--band-color, var(--orange-600));
}

.file-card:hover .file-card__band,
.file-card:target .file-card__band {
  height: 4px;
}

.file-card__figure {
  margin: 0;
  aspect-ratio: 3 / 2;
  overflow: hidden;
  background: var(--ledger);
  border-bottom: 1px solid var(--hair);
}

.file-card__figure img {
  display: block;
  width: 100%;
  height: 100%;
  object-fit: cover;
  filter: saturate(.94) sepia(.05);
}

.file-card__body {
  display: flex;
  flex: 1;
  flex-direction: column;
  gap: .8rem;
  padding: 1.2rem 1.25rem 1.4rem;
}

.file-card__title {
  margin: 0;
  font-family: var(--font-head);
  font-weight: 700;
  font-size: 1.35rem;
  letter-spacing: -0.01em;
  color: var(--indigo-900);
}

.file-card__desc {
  margin: 0;
  font-size: .93rem;
  line-height: 1.8;
  color: var(--graphite);
}

.file-card__facts {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: .55rem;
  margin: .35rem 0 0;
  padding: .9rem 0 0;
  border-top: 1px solid var(--hair);
}

.fact {
  display: flex;
  flex-direction: column;
  gap: .18rem;
  min-width: 0;
}

.fact dt {
  font-size: .7rem;
  letter-spacing: .03em;
  color: var(--ph-soft);
}

.fact dd {
  display: flex;
  align-items: baseline;
  gap: 2px;
  margin: 0;
}

.fact__num {
  font-size: 1.4rem;
  font-weight: 600;
  line-height: 1.1;
  color: var(--indigo-900);
}

.fact__num--price {
  color: var(--orange-600);
  text-shadow: 0 0 0 transparent;
}

.fact__unit {
  font-family: var(--font-mono);
  font-size: .75rem;
  color: var(--ph-soft);
}

/* ---------- 计价 ---------- */
.ph-section--rate {
  background: var(--ledger);
  border-top: 1px solid var(--hair);
  border-bottom: 1px solid var(--hair);
}

.ph-rate__inner {
  display: grid;
  gap: 1.8rem;
}

.ph-rate__panel {
  min-width: 0;
}

.ph-rate__caption {
  padding-bottom: .7rem;
  text-align: left;
  font-size: .8rem;
  letter-spacing: .03em;
  color: var(--ph-soft);
}

.ph-rate__note {
  margin: 1.2rem 0 0;
  max-width: 62ch;
  font-size: .88rem;
  line-height: 1.85;
  color: var(--graphite);
  padding-left: .9rem;
  border-left: 3px solid var(--orange-300);
}

/* ---------- 师傅等级 ---------- */
.ph-grade__grid {
  display: grid;
  gap: 2.2rem;
}

.ph-grade__tiers {
  margin-top: 1.4rem;
}

.grade-scale {
  background: var(--paper);
  border: 1px solid var(--hair);
  padding: 1.3rem 1.1rem 1.1rem;
}

.grade-scale__caption {
  margin: 0 0 1.2rem;
  font-family: var(--font-head);
  font-weight: 700;
  font-size: .92rem;
  letter-spacing: -0.005em;
  color: var(--indigo-900);
}

.grade-scale__list {
  display: flex;
  align-items: flex-end;
  gap: .5rem;
  height: 150px;
  margin: 0;
  padding: 0;
  list-style: none;
}

.grade-scale__item {
  display: flex;
  flex: 1;
  flex-direction: column;
  justify-content: flex-end;
  align-items: center;
  gap: .5rem;
  height: 100%;
  min-width: 0;
}

.grade-scale__bar {
  display: block;
  width: 100%;
  background: linear-gradient(180deg, var(--celadon-200) 0%, rgba(169, 207, 196, .35) 100%);
  border-top: 2px solid var(--celadon-600);
}

.grade-scale__item:nth-child(1) .grade-scale__bar { height: 22%; }
.grade-scale__item:nth-child(2) .grade-scale__bar { height: 40%; }
.grade-scale__item:nth-child(3) .grade-scale__bar { height: 58%; }
.grade-scale__item:nth-child(4) .grade-scale__bar { height: 76%; }
.grade-scale__item:nth-child(5) .grade-scale__bar { height: 94%; }

.grade-scale__name {
  font-family: var(--font-mono);
  font-size: .68rem;
  line-height: 1.3;
  text-align: center;
  color: var(--graphite);
}

.grade-scale__foot {
  margin: 1.2rem 0 0;
  padding-top: .9rem;
  border-top: 1px solid var(--hair);
  font-size: .8rem;
  line-height: 1.7;
  color: var(--ph-soft);
}

/* ---------- 网点覆盖 ---------- */
.ph-section--coverage {
  background: var(--paper);
}

.coverage {
  display: grid;
  gap: 1.8rem;
  margin-top: 2rem;
}

.coverage__stats {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 1px;
  background: var(--hair);
  border: 1px solid var(--hair);
}

.coverage__stat {
  display: flex;
  flex-direction: column;
  gap: .15rem;
  padding: 1.1rem .9rem;
  background: var(--paper);
}

.coverage__num {
  font-size: clamp(1.6rem, 6vw, 2.4rem);
  font-weight: 600;
  line-height: 1.05;
  color: var(--indigo-900);
}

.coverage__unit {
  font-family: var(--font-mono);
  font-size: .78rem;
  color: var(--ph-soft);
}

.coverage__label {
  margin-top: .3rem;
  font-size: .74rem;
  letter-spacing: .04em;
  color: var(--ph-soft);
}

.coverage__body {
  display: grid;
  gap: 1rem;
}

.coverage__text {
  margin: 0;
  font-size: .95rem;
  line-height: 1.85;
  color: var(--graphite);
}

.ph-coverage__figure {
  margin: 2.2rem 0 0;
}

.ph-coverage__figure .figure__frame {
  background: var(--ledger);
}

.ph-coverage__figure img {
  display: block;
  width: 100%;
  height: auto;
  object-fit: cover;
  filter: saturate(.92) sepia(.06);
}

/* ---------- 代下单 ---------- */
.ph-section--proxy {
  background: var(--ledger);
  border-top: 1px solid var(--hair);
  border-bottom: 1px solid var(--hair);
}

.ph-proxy__inner {
  display: grid;
  gap: 2rem;
}

.ph-proxy__copy .prose {
  margin: 1rem 0 0;
}

.ph-proxy__steps {
  display: grid;
  gap: 1px;
  margin: 0;
  padding: 0;
  list-style: none;
  background: var(--hair);
  border: 1px solid var(--hair);
}

.ph-proxy__steps li {
  display: flex;
  gap: .9rem;
  align-items: flex-start;
  padding: 1rem 1.05rem;
  background: var(--paper);
}

.ph-step__idx {
  flex: none;
  font-size: .82rem;
  font-weight: 600;
  color: var(--orange-600);
  padding-top: .18rem;
}

.ph-step__txt {
  font-size: .92rem;
  line-height: 1.75;
  color: var(--graphite);
}

/* ---------- 三入口 ---------- */
.ph-section--routes {
  background: var(--paper);
}

.route-grid {
  display: grid;
  gap: 1rem;
  margin-top: 2.2rem;
}

.route-card {
  display: flex;
  flex-direction: column;
  gap: .55rem;
  padding: 1.35rem 1.25rem 1.25rem;
  background: var(--paper);
  border: 1px solid var(--hair);
  border-top: 3px solid var(--indigo-900);
  text-decoration: none;
  color: inherit;
  transition: border-top-color .18s var(--ease), transform .18s var(--ease);
}

.route-card:hover {
  border-top-color: var(--orange-600);
  transform: translateY(-2px);
}

.route-card__idx {
  font-size: .78rem;
  color: var(--indigo-500);
}

.route-card__title {
  font-family: var(--font-head);
  font-weight: 700;
  font-size: 1.18rem;
  letter-spacing: -0.01em;
  color: var(--indigo-900);
}

.route-card__desc {
  font-size: .9rem;
  line-height: 1.78;
  color: var(--graphite);
}

.route-card__go {
  margin-top: .3rem;
  font-size: .82rem;
  font-family: var(--font-mono);
  color: var(--orange-600);
}

/* ---------- 响应式 ---------- */
@media (min-width: 640px) {
  .ph-hero__inner {
    padding-top: 3.4rem;
    padding-bottom: 3.8rem;
  }

  .ph-section {
    padding: 3.8rem 0;
  }

  .coverage {
    grid-template-columns: minmax(0, 1fr) minmax(0, 1fr);
    gap: 2.4rem;
    align-items: start;
  }

  .coverage__body {
    align-self: center;
  }

  .ph-proxy__inner {
    grid-template-columns: minmax(0, .9fr) minmax(0, 1.1fr);
    gap: 2.6rem;
    align-items: start;
  }

  .route-grid {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }
}

@media (min-width: 760px) {
  .ph-cards {
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 1.2rem;
  }

  .ph-cards .file-card:nth-child(2) {
    margin-top: 1.8rem;
  }

  .ph-rate__inner {
    grid-template-columns: minmax(0, .85fr) minmax(0, 1.15fr);
    gap: 3rem;
    align-items: start;
  }

  .ph-grade__grid {
    grid-template-columns: minmax(0, 1.05fr) minmax(0, .95fr);
    gap: 3rem;
    align-items: center;
  }
}

@media (min-width: 960px) {
  .ph-hero__inner {
    grid-template-columns: minmax(0, 1.08fr) minmax(0, .92fr);
    gap: 3.4rem;
    align-items: center;
    padding-top: 4.6rem;
    padding-bottom: 5rem;
  }

  .ph-section {
    padding: 4.4rem 0;
  }

  .coverage__stats {
    grid-column: 1 / -1;
  }

  .coverage {
    grid-template-columns: repeat(3, minmax(0, 1fr));
    align-items: stretch;
  }

  .coverage__body {
    grid-column: 2 / -1;
    align-self: center;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-home .ph-svg__dots circle {
    animation: none;
    stroke: var(--celadon-200);
  }

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

  .page-home .file-card,
  .page-home .file-card__band,
  .page-home .route-card {
    transition: none;
  }
}

.page-home {
  --i: inherit;
  --soft: currentColor;
}