.page-home {
  --home-rail: 128px;
  --home-gap: clamp(20px, 3.4vw, 52px);
  background: var(--paper);
  color: var(--ink);
  font-family: var(--font-sans);
  line-height: 1.85;
  overflow-x: hidden;
}

.page-home .home-wrap {
  width: 100%;
  max-width: var(--shell);
  margin: 0 auto;
  padding-left: var(--gutter);
  padding-right: var(--gutter);
}

/* ---------- 首屏 ---------- */
.page-home .home-masthead {
  position: relative;
  background: var(--ivory);
  border-bottom: 1px solid var(--hairline);
  padding: clamp(30px, 5vw, 64px) 0 clamp(36px, 6vw, 76px);
  overflow: hidden;
}

.page-home .home-masthead::before {
  content: "";
  position: absolute;
  inset: 0;
  background-image: linear-gradient(to right, var(--hairline) 1px, transparent 1px);
  background-size: 25% 100%;
  opacity: .55;
  pointer-events: none;
}

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

.page-home .masthead-top {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  padding-bottom: 16px;
  border-bottom: 1px solid var(--hairline);
  margin-bottom: clamp(26px, 4.6vw, 48px);
}

.page-home .masthead-badge {
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: .14em;
  color: var(--wine);
  background: rgba(199, 154, 59, .12);
  border: 1px solid var(--gold-line);
  padding: 5px 12px;
}

.page-home .masthead-meta {
  margin: 0;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: .12em;
  color: var(--slate);
}

.page-home .masthead-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: clamp(30px, 4.5vw, 64px);
}

.page-home .masthead-title {
  font-family: var(--font-serif);
  font-weight: 800;
  font-size: clamp(32px, 6.2vw, 62px);
  line-height: 1.14;
  letter-spacing: -0.02em;
  color: var(--ink);
  margin: 0 0 20px;
}

.page-home .masthead-lede {
  margin: 0 0 26px;
  font-size: clamp(15px, 1.7vw, 17px);
  line-height: 1.9;
  color: var(--ink-2);
  max-width: 56ch;
}

.page-home .masthead-links {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
}

.page-home .masthead-link {
  font-family: var(--font-mono);
  font-size: 12.5px;
  letter-spacing: .06em;
  color: var(--wine);
  text-decoration: none;
  border: 1px solid var(--gold-line);
  padding: 6px 14px;
  transition: background .2s var(--ease), color .2s var(--ease), border-color .2s var(--ease);
}

.page-home .masthead-link:hover {
  background: var(--wine);
  border-color: var(--wine);
  color: var(--gold-soft);
}

/* 目录 */
.page-home .toc {
  border-top: 2px solid var(--wine);
  padding-top: 14px;
}

.page-home .toc__lead {
  margin: 0 0 8px;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: .2em;
  color: var(--slate);
}

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

.page-home .toc__item {
  border-bottom: 1px solid var(--hairline);
}

.page-home .toc__link {
  display: grid;
  grid-template-columns: 42px minmax(0, 1fr) 18px;
  align-items: center;
  gap: 10px;
  padding: 11px 4px 11px 0;
  text-decoration: none;
  color: var(--ink);
  transition: color .2s var(--ease), padding-left .2s var(--ease);
}

.page-home .toc__num {
  font-family: var(--font-mono);
  font-size: 13px;
  color: var(--slate);
  transition: color .2s var(--ease);
}

.page-home .toc__label {
  font-size: 15px;
  line-height: 1.5;
}

.page-home .toc__arrow {
  font-family: var(--font-mono);
  font-size: 14px;
  color: var(--gold);
  opacity: 0;
  transition: opacity .2s var(--ease);
}

.page-home .toc__link:hover,
.page-home .toc__link:focus-visible {
  color: var(--wine);
  padding-left: 6px;
}

.page-home .toc__link:hover .toc__num,
.page-home .toc__link:focus-visible .toc__num {
  color: var(--gold);
}

.page-home .toc__link:hover .toc__arrow,
.page-home .toc__link:focus-visible .toc__arrow {
  opacity: 1;
}

/* ---------- 色带 ---------- */
.page-home .home-band {
  height: 8px;
  background: var(--wine);
}

/* ---------- 章节骨架 ---------- */
.page-home .home-section {
  padding: clamp(48px, 8vw, 96px) 0;
}

.page-home .home-section--paper {
  background: var(--paper);
}

.page-home .home-section--ivory {
  background: var(--ivory);
}

.page-home .home-section--wine {
  background: var(--wine-deep);
  color: var(--paper);
}

.page-home .home-chapter {
  display: grid;
  grid-template-columns: 1fr;
  gap: clamp(14px, 2.6vw, 24px);
}

.page-home .home-chapter__rail {
  display: flex;
  align-items: center;
  gap: 14px;
}

.page-home .home-chapter__num {
  font-family: var(--font-mono);
  font-weight: 700;
  font-size: clamp(30px, 4vw, 50px);
  line-height: 1;
  letter-spacing: -0.02em;
  color: var(--slate-soft);
  transition: color .35s var(--ease);
}

.page-home .home-chapter__rule {
  flex: 1;
  max-width: 120px;
  height: 2px;
  background: linear-gradient(to right, var(--gold), transparent);
}

.page-home .home-chapter.is-active .home-chapter__num {
  color: var(--gold);
}

.page-home .home-chapter__title {
  font-family: var(--font-serif);
  font-weight: 700;
  font-size: clamp(23px, 3.1vw, 34px);
  line-height: 1.32;
  letter-spacing: -0.01em;
  margin: 0 0 14px;
  color: var(--ink);
}

.page-home .home-chapter__lede {
  margin: 0 0 clamp(26px, 4vw, 40px);
  font-size: clamp(15px, 1.6vw, 16.5px);
  line-height: 1.9;
  color: var(--ink-2);
  max-width: 64ch;
}

.page-home .home-section--wine .home-chapter__num {
  color: rgba(231, 201, 126, .42);
}

.page-home .home-section--wine .home-chapter.is-active .home-chapter__num {
  color: var(--gold-soft);
}

.page-home .home-section--wine .home-chapter__title {
  color: var(--ivory);
}

.page-home .home-section--wine .home-chapter__lede {
  color: rgba(244, 236, 221, .76);
}

/* ---------- 通用文字链接 ---------- */
.page-home .home-textlink {
  display: inline-block;
  font-family: var(--font-mono);
  font-size: 13px;
  letter-spacing: .04em;
  color: var(--wine);
  text-decoration: none;
  border-bottom: 1px solid var(--gold-line);
  padding-bottom: 3px;
  transition: color .2s var(--ease), border-color .2s var(--ease);
}

.page-home .home-textlink:hover {
  color: var(--gold);
  border-color: var(--gold);
}

.page-home .home-textlink--block {
  display: block;
  margin-top: clamp(22px, 3vw, 32px);
  width: fit-content;
}

/* ---------- 图片框 ---------- */
.page-home .home-figure {
  margin: 0;
}

.page-home .home-figure img {
  display: block;
  width: 100%;
  height: auto;
  object-fit: cover;
  background: var(--wine-black);
}

.page-home .home-figure__cap {
  margin-top: 10px;
  font-family: var(--font-mono);
  font-size: 11.5px;
  letter-spacing: .12em;
  color: var(--slate);
}

.page-home .home-section--wine .home-figure__cap {
  color: rgba(231, 201, 126, .72);
}

.page-home .home-figure--steps img {
  clip-path: polygon(0 0, 100% 0, 100% 86%, 86% 100%, 0 100%);
  aspect-ratio: 4 / 3;
}

.page-home .home-figure--device img {
  clip-path: polygon(0 0, 100% 0, 100% 100%, 0 100%, 0 8%);
  aspect-ratio: 3 / 4;
}

.page-home .home-figure--wide {
  margin-bottom: clamp(24px, 4vw, 44px);
}

.page-home .home-figure--wide img {
  aspect-ratio: 2 / 1;
  border-top: 1px solid rgba(199, 154, 59, .5);
  border-bottom: 1px solid rgba(199, 154, 59, .5);
}

.page-home .home-figure--square img {
  aspect-ratio: 1 / 1;
  clip-path: polygon(0 0, 100% 0, 100% 92%, 92% 100%, 0 100%);
  margin-bottom: clamp(24px, 4vw, 40px);
}

/* ---------- 01 三条路径 ---------- */
.page-home .path-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 1px;
  background: var(--hairline);
  border: 1px solid var(--hairline);
}

.page-home .path-card {
  background: var(--ivory);
  padding: clamp(20px, 3vw, 30px);
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.page-home .path-card__index {
  font-family: var(--font-mono);
  font-size: 11.5px;
  letter-spacing: .18em;
  color: var(--slate);
}

.page-home .path-card__title {
  font-family: var(--font-serif);
  font-size: 21px;
  line-height: 1.4;
  margin: 0;
  color: var(--wine);
}

.page-home .path-card__text {
  margin: 0;
  flex: 1;
  font-size: 14.5px;
  line-height: 1.85;
  color: var(--ink-2);
}

.page-home .path-card__link {
  align-self: flex-start;
  font-family: var(--font-mono);
  font-size: 12.5px;
  letter-spacing: .06em;
  color: var(--wine);
  text-decoration: none;
  border-bottom: 1px solid var(--gold-line);
  padding-bottom: 3px;
  transition: color .2s var(--ease), border-color .2s var(--ease);
}

.page-home .path-card__link:hover {
  color: var(--gold);
  border-color: var(--gold);
}

/* ---------- 02 五步 ---------- */
.page-home .step-layout {
  display: grid;
  grid-template-columns: 1fr;
  gap: clamp(28px, 4vw, 52px);
}

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

.page-home .step-item {
  display: grid;
  grid-template-columns: 34px minmax(0, 1fr);
  gap: 14px;
  padding: 16px 0;
  border-bottom: 1px solid var(--hairline);
}

.page-home .step-item__num {
  font-family: var(--font-mono);
  font-size: 13.5px;
  color: var(--gold);
  padding-top: 3px;
}

.page-home .step-item__title {
  font-family: var(--font-serif);
  font-size: 17px;
  margin: 0 0 4px;
  color: var(--ink);
}

.page-home .step-item__text {
  margin: 0;
  font-size: 14.5px;
  line-height: 1.85;
  color: var(--ink-2);
}

/* ---------- 03 权益与设备 ---------- */
.page-home .tier-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 1px;
  background: var(--hairline);
  border: 1px solid var(--hairline);
  margin-bottom: clamp(34px, 5vw, 58px);
}

.page-home .tier {
  background: var(--ivory);
  padding: clamp(20px, 3vw, 28px);
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.page-home .tier--featured {
  box-shadow: inset 0 3px 0 0 var(--gold);
  background: #fffdf8;
}

.page-home .tier__index {
  font-family: var(--font-mono);
  font-size: 11.5px;
  letter-spacing: .18em;
  color: var(--slate);
}

.page-home .tier__price {
  margin: 0;
  font-family: var(--font-mono);
  font-weight: 700;
  font-size: clamp(28px, 4vw, 38px);
  line-height: 1;
  color: var(--wine);
}

.page-home .tier__unit {
  font-family: var(--font-sans);
  font-weight: 400;
  font-size: 12.5px;
  color: var(--slate);
  margin-left: 6px;
  letter-spacing: 0;
}

.page-home .tier__features {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 9px;
  font-size: 14.5px;
  line-height: 1.7;
  color: var(--ink-2);
}

.page-home .tier__features li {
  position: relative;
  padding-left: 16px;
}

.page-home .tier__features li::before {
  content: "";
  position: absolute;
  left: 0;
  top: .78em;
  width: 7px;
  height: 1px;
  background: var(--gold);
}

.page-home .device-block {
  display: grid;
  grid-template-columns: 1fr;
  gap: clamp(26px, 4vw, 46px);
  align-items: center;
  padding-top: clamp(10px, 2vw, 18px);
}

.page-home .device-block__title {
  font-family: var(--font-serif);
  font-size: clamp(19px, 2.4vw, 24px);
  line-height: 1.45;
  margin: 0 0 12px;
  color: var(--ink);
}

.page-home .device-block__lede {
  margin: 0 0 20px;
  font-size: 14.5px;
  line-height: 1.9;
  color: var(--ink-2);
}

.page-home .device-list {
  list-style: none;
  margin: 0 0 22px;
  padding: 0;
  border-top: 1px solid var(--hairline-strong);
}

.page-home .device-item {
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  justify-content: space-between;
  gap: 8px;
  padding: 12px 0;
  border-bottom: 1px solid var(--hairline);
}

.page-home .device-item__name {
  font-size: 14.5px;
  color: var(--ink);
}

.page-home .device-item__price {
  font-family: var(--font-mono);
  font-size: 14px;
  color: var(--wine);
  letter-spacing: .02em;
}

/* ---------- 04 本地服务 ---------- */
.page-home .city-legend {
  display: grid;
  grid-template-columns: 1fr;
  gap: 1px;
  background: rgba(199, 154, 59, .3);
  border: 1px solid rgba(199, 154, 59, .3);
}

.page-home .city-group {
  background: var(--wine-deep);
  padding: clamp(20px, 3vw, 28px);
}

.page-home .city-group__price {
  margin: 0 0 4px;
  font-family: var(--font-mono);
  font-weight: 700;
  font-size: clamp(26px, 3.6vw, 34px);
  line-height: 1;
  color: var(--gold-soft);
}

.page-home .city-group__price span {
  font-family: var(--font-sans);
  font-weight: 400;
  font-size: 12.5px;
  color: rgba(244, 236, 221, .62);
  margin-left: 6px;
}

.page-home .city-group__note {
  margin: 0 0 14px;
  font-size: 12.5px;
  letter-spacing: .06em;
  color: rgba(244, 236, 221, .6);
}

.page-home .city-list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

.page-home .city-list li {
  font-family: var(--font-mono);
  font-size: 13px;
  padding: 4px 11px;
  border: 1px solid rgba(199, 154, 59, .42);
  color: var(--paper);
}

.page-home .city-foot {
  margin: clamp(22px, 3vw, 30px) 0 0;
  font-size: 14px;
  line-height: 1.9;
  color: rgba(244, 236, 221, .72);
  max-width: 68ch;
}

/* ---------- 05 时间轴 ---------- */
.page-home .timeline {
  list-style: none;
  margin: 0;
  padding: 0 0 14px;
  display: grid;
  grid-auto-flow: column;
  grid-auto-columns: minmax(200px, 1fr);
  overflow-x: auto;
  overscroll-behavior-x: contain;
  scrollbar-width: thin;
}

.page-home .tl-item {
  position: relative;
  min-width: 0;
  padding: 26px 18px 0 0;
}

.page-home .tl-item::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  right: 18px;
  height: 1px;
  background: var(--hairline-strong);
}

.page-home .tl-item::after {
  content: "";
  position: absolute;
  top: -4px;
  left: 0;
  width: 9px;
  height: 9px;
  background: var(--gold);
  border-radius: 50%;
}

.page-home .tl-item__issue {
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: .1em;
  color: var(--slate);
}

.page-home .tl-item__title {
  font-family: var(--font-serif);
  font-size: 16px;
  line-height: 1.5;
  margin: 6px 0 6px;
  color: var(--ink);
}

.page-home .tl-item__text {
  margin: 0;
  font-size: 13.5px;
  line-height: 1.8;
  color: var(--ink-2);
}

/* ---------- 06 疑问 ---------- */
.page-home .faq-list {
  border-top: 1px solid var(--hairline-strong);
  margin-bottom: clamp(22px, 3vw, 30px);
}

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

.page-home .faq-item summary {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 16px;
  padding: 17px 0;
  cursor: pointer;
  list-style: none;
  font-family: var(--font-serif);
  font-size: clamp(15.5px, 1.9vw, 18px);
  line-height: 1.6;
  color: var(--ink);
  transition: color .2s var(--ease);
}

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

.page-home .faq-item summary:hover {
  color: var(--wine);
}

.page-home .faq-item__mark {
  font-family: var(--font-mono);
  font-size: 16px;
  color: var(--gold);
  flex: none;
  transition: transform .2s var(--ease);
}

.page-home .faq-item[open] summary {
  color: var(--wine);
}

.page-home .faq-item[open] .faq-item__mark {
  transform: rotate(45deg);
}

.page-home .faq-item__a {
  margin: 0;
  padding: 0 0 20px;
  font-size: 14.5px;
  line-height: 1.9;
  color: var(--ink-2);
  max-width: 64ch;
}

/* ---------- 07 下一步 ---------- */
.page-home .next-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: clamp(30px, 4vw, 52px);
}

.page-home .next-actions {
  display: flex;
  flex-direction: column;
  gap: 16px;
  align-items: flex-start;
}

.page-home .next-secondary {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
}

.page-home .next-btn {
  font-family: var(--font-mono);
  font-size: 13.5px;
  letter-spacing: .04em;
  padding: 12px 22px;
  text-decoration: none;
  border: 1px solid transparent;
  transition: background .2s var(--ease), color .2s var(--ease), border-color .2s var(--ease);
}

.page-home .next-btn--ghost {
  color: var(--paper);
  border-color: rgba(231, 201, 126, .46);
  background: transparent;
}

.page-home .next-btn--ghost:hover {
  background: rgba(199, 154, 59, .16);
  border-color: var(--gold);
  color: var(--gold-soft);
}

.page-home .next-contact {
  border-top: 1px solid rgba(199, 154, 59, .34);
  padding-top: 20px;
}

.page-home .next-contact__label {
  margin: 0 0 12px;
  font-family: var(--font-mono);
  font-size: 11.5px;
  letter-spacing: .16em;
  color: rgba(231, 201, 126, .82);
}

.page-home .next-copy {
  display: inline-flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 12px;
  background: transparent;
  border: 1px solid rgba(231, 201, 126, .5);
  color: var(--ivory);
  font-family: var(--font-mono);
  font-size: 13.5px;
  letter-spacing: .02em;
  padding: 11px 16px;
  cursor: pointer;
  transition: background .2s var(--ease), border-color .2s var(--ease);
}

.page-home .next-copy:hover {
  background: rgba(199, 154, 59, .15);
  border-color: var(--gold);
}

.page-home .next-copy__hint {
  font-family: var(--font-sans);
  font-size: 11.5px;
  letter-spacing: .08em;
  color: var(--gold-soft);
  border-left: 1px solid rgba(199, 154, 59, .44);
  padding-left: 12px;
}

.page-home .next-contact__note {
  margin: 14px 0 0;
  font-size: 13.5px;
  line-height: 1.85;
  color: rgba(244, 236, 221, .68);
}

/* ---------- 响应式 ---------- */
@media (min-width: 760px) {
  .page-home .path-grid {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }

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

@media (min-width: 880px) {
  .page-home .masthead-grid {
    grid-template-columns: minmax(0, 7fr) minmax(0, 5fr);
    align-items: start;
  }

  .page-home .home-chapter {
    grid-template-columns: var(--home-rail) minmax(0, 1fr);
    column-gap: var(--home-gap);
  }

  .page-home .home-chapter__rail {
    display: block;
    position: sticky;
    top: 104px;
    align-self: start;
  }

  .page-home .home-chapter__rule {
    margin-top: 16px;
  }

  .page-home .city-legend {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }
}

@media (min-width: 960px) {
  .page-home .step-layout {
    grid-template-columns: minmax(0, 1.1fr) minmax(0, .9fr);
    align-items: start;
  }

  .page-home .home-figure--steps {
    margin-top: 26px;
  }

  .page-home .device-block {
    grid-template-columns: minmax(0, 1.15fr) minmax(0, .85fr);
  }

  .page-home .next-grid {
    grid-template-columns: minmax(0, 1fr) minmax(0, .82fr);
    align-items: start;
  }
}

@media (min-width: 1120px) {
  .page-home .timeline {
    grid-auto-columns: minmax(0, 1fr);
    overflow-x: visible;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-home .home-chapter__num,
  .page-home .toc__link,
  .page-home .toc__arrow,
  .page-home .faq-item__mark,
  .page-home .next-btn,
  .page-home .next-copy {
    transition: none;
  }
}

.page-home {
  --home-rail: 128px;
  --home-gap: clamp(20px, 3.4vw, 52px);
  background: var(--paper);
  color: var(--ink);
  font-family: var(--font-sans);
  line-height: 1.85;
  overflow-x: hidden;
}

.page-home .home-wrap {
  width: 100%;
  max-width: var(--shell);
  margin: 0 auto;
  padding-left: var(--gutter);
  padding-right: var(--gutter);
  position: relative;
}

/* ---------- 首屏 ---------- */
.page-home .home-masthead {
  position: relative;
  background: var(--ivory);
  border-bottom: 1px solid var(--hairline);
  padding: clamp(30px, 5vw, 64px) 0 clamp(36px, 6vw, 76px);
  overflow: hidden;
}

.page-home .home-masthead::before {
  content: "";
  position: absolute;
  inset: 0;
  background-image: linear-gradient(to right, var(--hairline) 1px, transparent 1px);
  background-size: 25% 100%;
  opacity: .55;
  pointer-events: none;
}

.page-home .masthead-top {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  padding-bottom: 16px;
  border-bottom: 1px solid var(--hairline);
  margin-bottom: clamp(26px, 4.6vw, 48px);
}

.page-home .masthead-badge {
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: .14em;
  color: var(--wine);
  background: rgba(199, 154, 59, .12);
  border: 1px solid var(--gold-line);
  padding: 5px 12px;
}

.page-home .masthead-meta {
  margin: 0;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: .12em;
  color: var(--slate);
}

.page-home .masthead-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: clamp(30px, 4.5vw, 64px);
}

.page-home .masthead-title {
  font-family: var(--font-serif);
  font-weight: 800;
  font-size: clamp(32px, 6.2vw, 62px);
  line-height: 1.14;
  letter-spacing: -0.02em;
  color: var(--ink);
  margin: 0 0 20px;
}

.page-home .masthead-lede {
  margin: 0 0 26px;
  font-size: clamp(15px, 1.7vw, 17px);
  line-height: 1.9;
  color: var(--ink-2);
  max-width: 56ch;
}

.page-home .masthead-links {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
}

.page-home .masthead-link {
  font-family: var(--font-mono);
  font-size: 12.5px;
  letter-spacing: .06em;
  color: var(--wine);
  text-decoration: none;
  border: 1px solid var(--gold-line);
  padding: 6px 14px;
  transition: background .2s var(--ease), color .2s var(--ease), border-color .2s var(--ease);
}

.page-home .masthead-link:hover {
  background: var(--wine);
  border-color: var(--wine);
  color: var(--gold-soft);
}

/* 目录 */
.page-home .toc {
  border-top: 2px solid var(--wine);
  padding-top: 14px;
}

.page-home .toc__lead {
  margin: 0 0 8px;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: .2em;
  color: var(--slate);
}

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

.page-home .toc__item {
  border-bottom: 1px solid var(--hairline);
}

.page-home .toc__link {
  display: grid;
  grid-template-columns: 42px minmax(0, 1fr) 18px;
  align-items: center;
  gap: 10px;
  padding: 11px 4px 11px 0;
  text-decoration: none;
  color: var(--ink);
  transition: color .2s var(--ease), padding-left .2s var(--ease);
}

.page-home .toc__num {
  font-family: var(--font-mono);
  font-size: 13px;
  color: var(--slate);
  transition: color .2s var(--ease);
}

.page-home .toc__label {
  font-size: 15px;
  line-height: 1.5;
}

.page-home .toc__arrow {
  font-family: var(--font-mono);
  font-size: 14px;
  color: var(--gold);
  opacity: 0;
  transition: opacity .2s var(--ease);
}

.page-home .toc__link:hover,
.page-home .toc__link:focus-visible {
  color: var(--wine);
  padding-left: 6px;
}

.page-home .toc__link:hover .toc__num,
.page-home .toc__link:focus-visible .toc__num {
  color: var(--gold);
}

.page-home .toc__link:hover .toc__arrow,
.page-home .toc__link:focus-visible .toc__arrow {
  opacity: 1;
}

/* ---------- 色带 ---------- */
.page-home .home-band {
  height: 8px;
  background: var(--wine);
}

/* ---------- 章节骨架 ---------- */
.page-home .home-section {
  padding: clamp(48px, 8vw, 96px) 0;
}

.page-home .home-section--paper {
  background: var(--paper);
}

.page-home .home-section--ivory {
  background: var(--ivory);
}

.page-home .home-section--wine {
  background: var(--wine-deep);
  color: var(--paper);
}

.page-home .home-chapter {
  display: grid;
  grid-template-columns: 1fr;
  gap: clamp(14px, 2.6vw, 24px);
}

.page-home .home-chapter__rail {
  display: flex;
  align-items: center;
  gap: 14px;
}

.page-home .home-chapter__num {
  font-family: var(--font-mono);
  font-weight: 700;
  font-size: clamp(30px, 4vw, 50px);
  line-height: 1;
  letter-spacing: -0.02em;
  color: var(--slate-soft);
  transition: color .35s var(--ease);
}

.page-home .home-chapter__rule {
  flex: 1;
  max-width: 120px;
  height: 2px;
  background: linear-gradient(to right, var(--gold), transparent);
}

.page-home .home-chapter.is-active .home-chapter__num {
  color: var(--gold);
}

.page-home .home-chapter__title {
  font-family: var(--font-serif);
  font-weight: 700;
  font-size: clamp(23px, 3.1vw, 34px);
  line-height: 1.32;
  letter-spacing: -0.01em;
  margin: 0 0 14px;
  color: var(--ink);
}

.page-home .home-chapter__lede {
  margin: 0 0 clamp(26px, 4vw, 40px);
  font-size: clamp(15px, 1.6vw, 16.5px);
  line-height: 1.9;
  color: var(--ink-2);
  max-width: 64ch;
}

.page-home .home-section--wine .home-chapter__num {
  color: rgba(231, 201, 126, .42);
}

.page-home .home-section--wine .home-chapter.is-active .home-chapter__num {
  color: var(--gold-soft);
}

.page-home .home-section--wine .home-chapter__title {
  color: var(--ivory);
}

.page-home .home-section--wine .home-chapter__lede {
  color: rgba(244, 236, 221, .76);
}

/* ---------- 通用文字链接 ---------- */
.page-home .home-textlink {
  display: inline-block;
  font-family: var(--font-mono);
  font-size: 13px;
  letter-spacing: .04em;
  color: var(--wine);
  text-decoration: none;
  border-bottom: 1px solid var(--gold-line);
  padding-bottom: 3px;
  transition: color .2s var(--ease), border-color .2s var(--ease);
}

.page-home .home-textlink:hover {
  color: var(--gold);
  border-color: var(--gold);
}

.page-home .home-textlink--block {
  display: block;
  margin-top: clamp(22px, 3vw, 32px);
  width: fit-content;
}

/* ---------- 图片框 ---------- */
.page-home .home-figure {
  margin: 0;
}

.page-home .home-figure img {
  display: block;
  width: 100%;
  height: auto;
  object-fit: cover;
  background: var(--wine-black);
}

.page-home .home-figure__cap {
  margin-top: 10px;
  font-family: var(--font-mono);
  font-size: 11.5px;
  letter-spacing: .12em;
  color: var(--slate);
}

.page-home .home-section--wine .home-figure__cap {
  color: rgba(231, 201, 126, .72);
}

.page-home .home-figure--steps img {
  clip-path: polygon(0 0, 100% 0, 100% 86%, 86% 100%, 0 100%);
  aspect-ratio: 4 / 3;
}

.page-home .home-figure--device img {
  clip-path: polygon(0 0, 100% 0, 100% 100%, 0 100%, 0 8%);
  aspect-ratio: 3 / 4;
}

.page-home .home-figure--wide {
  margin-bottom: clamp(24px, 4vw, 44px);
}

.page-home .home-figure--wide img {
  aspect-ratio: 2 / 1;
  border-top: 1px solid rgba(199, 154, 59, .5);
  border-bottom: 1px solid rgba(199, 154, 59, .5);
}

.page-home .home-figure--square img {
  aspect-ratio: 1 / 1;
  clip-path: polygon(0 0, 100% 0, 100% 92%, 92% 100%, 0 100%);
  margin-bottom: clamp(24px, 4vw, 40px);
}

/* ---------- 01 三条路径 ---------- */
.page-home .path-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 1px;
  background: var(--hairline);
  border: 1px solid var(--hairline);
}

.page-home .path-card {
  background: var(--ivory);
  padding: clamp(20px, 3vw, 30px);
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.page-home .path-card__index {
  font-family: var(--font-mono);
  font-size: 11.5px;
  letter-spacing: .18em;
  color: var(--slate);
}

.page-home .path-card__title {
  font-family: var(--font-serif);
  font-size: 21px;
  line-height: 1.4;
  margin: 0;
  color: var(--wine);
}

.page-home .path-card__text {
  margin: 0;
  flex: 1;
  font-size: 14.5px;
  line-height: 1.85;
  color: var(--ink-2);
}

.page-home .path-card__link {
  align-self: flex-start;
  font-family: var(--font-mono);
  font-size: 12.5px;
  letter-spacing: .06em;
  color: var(--wine);
  text-decoration: none;
  border-bottom: 1px solid var(--gold-line);
  padding-bottom: 3px;
  transition: color .2s var(--ease), border-color .2s var(--ease);
}

.page-home .path-card__link:hover {
  color: var(--gold);
  border-color: var(--gold);
}

/* ---------- 02 五步 ---------- */
.page-home .step-layout {
  display: grid;
  grid-template-columns: 1fr;
  gap: clamp(28px, 4vw, 52px);
}

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

.page-home .step-item {
  display: grid;
  grid-template-columns: 34px minmax(0, 1fr);
  gap: 14px;
  padding: 16px 0;
  border-bottom: 1px solid var(--hairline);
}

.page-home .step-item__num {
  font-family: var(--font-mono);
  font-size: 13.5px;
  color: var(--gold);
  padding-top: 3px;
}

.page-home .step-item__title {
  font-family: var(--font-serif);
  font-size: 17px;
  margin: 0 0 4px;
  color: var(--ink);
}

.page-home .step-item__text {
  margin: 0;
  font-size: 14.5px;
  line-height: 1.85;
  color: var(--ink-2);
}

/* ---------- 03 权益与设备 ---------- */
.page-home .tier-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 1px;
  background: var(--hairline);
  border: 1px solid var(--hairline);
  margin-bottom: clamp(34px, 5vw, 58px);
}

.page-home .tier {
  background: var(--ivory);
  padding: clamp(20px, 3vw, 28px);
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.page-home .tier--featured {
  box-shadow: inset 0 3px 0 0 var(--gold);
  background: #fffdf8;
}

.page-home .tier__index {
  font-family: var(--font-mono);
  font-size: 11.5px;
  letter-spacing: .18em;
  color: var(--slate);
}

.page-home .tier__price {
  margin: 0;
  font-family: var(--font-mono);
  font-weight: 700;
  font-size: clamp(28px, 4vw, 38px);
  line-height: 1;
  color: var(--wine);
}

.page-home .tier__unit {
  font-family: var(--font-sans);
  font-weight: 400;
  font-size: 12.5px;
  color: var(--slate);
  margin-left: 6px;
  letter-spacing: 0;
}

.page-home .tier__features {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 9px;
  font-size: 14.5px;
  line-height: 1.7;
  color: var(--ink-2);
}

.page-home .tier__features li {
  position: relative;
  padding-left: 16px;
}

.page-home .tier__features li::before {
  content: "";
  position: absolute;
  left: 0;
  top: .78em;
  width: 7px;
  height: 1px;
  background: var(--gold);
}

.page-home .device-block {
  display: grid;
  grid-template-columns: 1fr;
  gap: clamp(26px, 4vw, 46px);
  align-items: center;
  padding-top: clamp(10px, 2vw, 18px);
}

.page-home .device-block__title {
  font-family: var(--font-serif);
  font-size: clamp(19px, 2.4vw, 24px);
  line-height: 1.45;
  margin: 0 0 12px;
  color: var(--ink);
}

.page-home .device-block__lede {
  margin: 0 0 20px;
  font-size: 14.5px;
  line-height: 1.9;
  color: var(--ink-2);
}

.page-home .device-list {
  list-style: none;
  margin: 0 0 22px;
  padding: 0;
  border-top: 1px solid var(--hairline-strong);
}

.page-home .device-item {
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  justify-content: space-between;
  gap: 8px;
  padding: 12px 0;
  border-bottom: 1px solid var(--hairline);
}

.page-home .device-item__name {
  font-size: 14.5px;
  color: var(--ink);
}

.page-home .device-item__price {
  font-family: var(--font-mono);
  font-size: 14px;
  color: var(--wine);
  letter-spacing: .02em;
}

/* ---------- 04 本地服务 ---------- */
.page-home .city-legend {
  display: grid;
  grid-template-columns: 1fr;
  gap: 1px;
  background: rgba(199, 154, 59, .3);
  border: 1px solid rgba(199, 154, 59, .3);
}

.page-home .city-group {
  background: var(--wine-deep);
  padding: clamp(20px, 3vw, 28px);
}

.page-home .city-group__price {
  margin: 0 0 4px;
  font-family: var(--font-mono);
  font-weight: 700;
  font-size: clamp(26px, 3.6vw, 34px);
  line-height: 1;
  color: var(--gold-soft);
}

.page-home .city-group__price span {
  font-family: var(--font-sans);
  font-weight: 400;
  font-size: 12.5px;
  color: rgba(244, 236, 221, .62);
  margin-left: 6px;
}

.page-home .city-group__note {
  margin: 0 0 14px;
  font-size: 12.5px;
  letter-spacing: .06em;
  color: rgba(244, 236, 221, .6);
}

.page-home .city-list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

.page-home .city-list li {
  font-family: var(--font-mono);
  font-size: 13px;
  padding: 4px 11px;
  border: 1px solid rgba(199, 154, 59, .42);
  color: var(--paper);
}

.page-home .city-foot {
  margin: clamp(22px, 3vw, 30px) 0 0;
  font-size: 14px;
  line-height: 1.9;
  color: rgba(244, 236, 221, .72);
  max-width: 68ch;
}

/* ---------- 05 时间轴 ---------- */
.page-home .timeline {
  list-style: none;
  margin: 0;
  padding: 0 0 14px;
  display: grid;
  grid-auto-flow: column;
  grid-auto-columns: minmax(200px, 1fr);
  overflow-x: auto;
  overscroll-behavior-x: contain;
  scrollbar-width: thin;
}

.page-home .tl-item {
  position: relative;
  min-width: 0;
  padding: 26px 18px 0 0;
}

.page-home .tl-item::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  right: 18px;
  height: 1px;
  background: var(--hairline-strong);
}

.page-home .tl-item::after {
  content: "";
  position: absolute;
  top: -4px;
  left: 0;
  width: 9px;
  height: 9px;
  background: var(--gold);
  border-radius: 50%;
}

.page-home .tl-item__issue {
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: .1em;
  color: var(--slate);
}

.page-home .tl-item__title {
  font-family: var(--font-serif);
  font-size: 16px;
  line-height: 1.5;
  margin: 6px 0 6px;
  color: var(--ink);
}

.page-home .tl-item__text {
  margin: 0;
  font-size: 13.5px;
  line-height: 1.8;
  color: var(--ink-2);
}

/* ---------- 06 疑问 ---------- */
.page-home .faq-list {
  border-top: 1px solid var(--hairline-strong);
  margin-bottom: clamp(22px, 3vw, 30px);
}

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

.page-home .faq-item summary {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 16px;
  padding: 17px 0;
  cursor: pointer;
  list-style: none;
  font-family: var(--font-serif);
  font-size: clamp(15.5px, 1.9vw, 18px);
  line-height: 1.6;
  color: var(--ink);
  transition: color .2s var(--ease);
}

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

.page-home .faq-item summary:hover {
  color: var(--wine);
}

.page-home .faq-item__mark {
  font-family: var(--font-mono);
  font-size: 16px;
  color: var(--gold);
  flex: none;
  transition: transform .2s var(--ease);
}

.page-home .faq-item[open] summary {
  color: var(--wine);
}

.page-home .faq-item[open] .faq-item__mark {
  transform: rotate(45deg);
}

.page-home .faq-item__a {
  margin: 0;
  padding: 0 0 20px;
  font-size: 14.5px;
  line-height: 1.9;
  color: var(--ink-2);
  max-width: 64ch;
}

/* ---------- 07 下一步 ---------- */
.page-home .next-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: clamp(30px, 4vw, 52px);
}

.page-home .next-actions {
  display: flex;
  flex-direction: column;
  gap: 16px;
  align-items: flex-start;
}

.page-home .next-secondary {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
}

.page-home .next-btn {
  font-family: var(--font-mono);
  font-size: 13.5px;
  letter-spacing: .04em;
  padding: 12px 22px;
  text-decoration: none;
  border: 1px solid transparent;
  transition: background .2s var(--ease), color .2s var(--ease), border-color .2s var(--ease);
}

.page-home .next-btn--ghost {
  color: var(--paper);
  border-color: rgba(231, 201, 126, .46);
  background: transparent;
}

.page-home .next-btn--ghost:hover {
  background: rgba(199, 154, 59, .16);
  border-color: var(--gold);
  color: var(--gold-soft);
}

.page-home .next-contact {
  border-top: 1px solid rgba(199, 154, 59, .34);
  padding-top: 20px;
}

.page-home .next-contact__label {
  margin: 0 0 12px;
  font-family: var(--font-mono);
  font-size: 11.5px;
  letter-spacing: .16em;
  color: rgba(231, 201, 126, .82);
}

.page-home .next-copy {
  display: inline-flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 12px;
  background: transparent;
  border: 1px solid rgba(231, 201, 126, .5);
  color: var(--ivory);
  font-family: var(--font-mono);
  font-size: 13.5px;
  letter-spacing: .02em;
  padding: 11px 16px;
  cursor: pointer;
  transition: background .2s var(--ease), border-color .2s var(--ease);
}

.page-home .next-copy:hover {
  background: rgba(199, 154, 59, .15);
  border-color: var(--gold);
}

.page-home .next-copy__hint {
  font-family: var(--font-sans);
  font-size: 11.5px;
  letter-spacing: .08em;
  color: var(--gold-soft);
  border-left: 1px solid rgba(199, 154, 59, .44);
  padding-left: 12px;
}

.page-home .next-contact__note {
  margin: 14px 0 0;
  font-size: 13.5px;
  line-height: 1.85;
  color: rgba(244, 236, 221, .68);
}

/* ---------- 响应式 ---------- */
@media (min-width: 760px) {
  .page-home .path-grid {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }

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

@media (min-width: 880px) {
  .page-home .masthead-grid {
    grid-template-columns: minmax(0, 7fr) minmax(0, 5fr);
    align-items: start;
  }

  .page-home .home-chapter {
    grid-template-columns: var(--home-rail) minmax(0, 1fr);
    column-gap: var(--home-gap);
  }

  .page-home .home-chapter__rail {
    display: block;
    position: sticky;
    top: 104px;
    align-self: start;
  }

  .page-home .home-chapter__rule {
    margin-top: 16px;
  }

  .page-home .city-legend {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }
}

@media (min-width: 960px) {
  .page-home .step-layout {
    grid-template-columns: minmax(0, 1.1fr) minmax(0, .9fr);
    align-items: start;
  }

  .page-home .home-figure--steps {
    margin-top: 26px;
  }

  .page-home .device-block {
    grid-template-columns: minmax(0, 1.15fr) minmax(0, .85fr);
  }

  .page-home .next-grid {
    grid-template-columns: minmax(0, 1fr) minmax(0, .82fr);
    align-items: start;
  }
}

@media (min-width: 1120px) {
  .page-home .timeline {
    grid-auto-columns: minmax(0, 1fr);
    overflow-x: visible;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-home .home-chapter__num,
  .page-home .toc__link,
  .page-home .toc__arrow,
  .page-home .faq-item__mark,
  .page-home .next-btn,
  .page-home .next-copy {
    transition: none;
  }
}