.page-home {
  --home-notch: 18px;
  --home-rule: 1px dashed var(--line-sand);
  display: block;
  background: var(--paper);
  color: var(--ink);
  font-family: var(--font-body);
  font-size: var(--fs-5);
  line-height: 1.9;
}

.page-home img {
  display: block;
  max-width: 100%;
  height: auto;
}

.page-home .home-crumbs {
  padding: 22px 0 14px;
}

/* 首屏窄幅氛围带 */
.page-home .home-band {
  position: relative;
  margin: 0;
  overflow: hidden;
}

.page-home .home-band img {
  width: 100%;
  height: clamp(110px, 17vw, 190px);
  object-fit: cover;
}

.page-home .home-band::after {
  content: "";
  position: absolute;
  inset: 0;
  background-image: repeating-radial-gradient(circle at 1px 1px, rgba(27, 27, 24, 0.16) 0 1px, transparent 1.5px 5px);
  background-size: 10px 10px;
  mix-blend-mode: multiply;
  pointer-events: none;
}

.page-home .home-band .media__caption {
  position: absolute;
  left: 14px;
  bottom: 10px;
  font-family: var(--font-mono);
  font-size: var(--fs-6);
  letter-spacing: 0.08em;
  color: #fbf7ef;
  background: rgba(18, 49, 79, 0.55);
  padding: 4px 10px;
  border-radius: var(--pill);
}

/* 双栏骨架 */
.page-home .home-layout {
  display: grid;
  grid-template-columns: 1fr;
  gap: 0;
  padding-bottom: clamp(48px, 8vw, 96px);
}

.page-home .home-main {
  min-width: 0;
}

.page-home .home-rail {
  display: none;
}

/* 首屏声明 */
.page-home .home-hero {
  position: relative;
  padding: clamp(26px, 4vw, 40px) 0 0;
  background-image: repeating-radial-gradient(circle at 1px 1px, rgba(18, 49, 79, 0.06) 0 1px, transparent 1.4px 6px);
  background-size: 12px 12px;
}

.page-home .home-hero h1 {
  font-size: var(--fs-1);
  font-weight: 900;
  letter-spacing: -0.02em;
  line-height: 1.04;
  margin: 12px 0 16px;
  color: var(--night);
}

.page-home .home-hero .lede {
  max-width: 30em;
  color: var(--ink-soft);
  line-height: 1.9;
  margin: 0;
}

.page-home .device-switch {
  display: inline-flex;
  gap: 4px;
  margin: 26px 0 4px;
  padding: 5px;
  border: 1px solid var(--line);
  border-radius: var(--pill);
  background: var(--glass);
  backdrop-filter: blur(6px);
}

.page-home .device-switch__btn {
  font-family: var(--font-mono);
  font-size: var(--fs-6);
  letter-spacing: 0.08em;
  padding: 10px 22px;
  border-radius: var(--pill);
  color: var(--night);
  text-decoration: none;
  transition: background var(--dur) var(--ease), color var(--dur) var(--ease);
}

.page-home .device-switch__btn:hover,
.page-home .device-switch__btn:focus-visible {
  background: var(--night);
  color: var(--paper);
}

.page-home .home-facts {
  list-style: none;
  display: flex;
  flex-wrap: wrap;
  gap: 16px 30px;
  margin: 28px 0 0;
  padding: 18px 0 0;
  border-top: 1px solid var(--line);
}

.page-home .home-facts__item {
  display: flex;
  flex-direction: column;
  gap: 2px;
}

.page-home .home-facts__num {
  font-family: var(--font-mono);
  font-variant-numeric: tabular-nums;
  font-size: var(--fs-3);
  font-weight: 700;
  line-height: 1.2;
  color: var(--night);
}

.page-home .home-facts__label {
  font-size: var(--fs-6);
  letter-spacing: 0.06em;
  color: var(--ink-soft);
}

/* 区块通用 */
.page-home .home-section {
  margin-top: clamp(60px, 9vw, 104px);
  scroll-margin-top: 96px;
}

.page-home .home-head {
  margin-bottom: clamp(20px, 3vw, 30px);
}

.page-home .home-head h2,
.page-home .home-save__title,
.page-home .home-support__title {
  font-size: var(--fs-2);
  font-weight: 900;
  letter-spacing: -0.02em;
  line-height: 1.14;
  margin: 6px 0 10px;
  color: var(--night);
}

.page-home .home-head__text {
  max-width: 34em;
  color: var(--ink-soft);
  margin: 0;
}

.page-home .home-more {
  margin: 22px 0 0;
}

.page-home .home-figure {
  margin: 22px 0 0;
}

.page-home .home-figure img {
  width: 100%;
  object-fit: cover;
}

/* 设备路径卡 */
.page-home .path-pair {
  display: grid;
  grid-template-columns: 1fr;
  gap: 16px;
}

.page-home .path-card {
  padding: 22px 20px;
  background: var(--sand-pale);
  border-left: 4px solid var(--sand);
  clip-path: polygon(0 0, calc(100% - var(--home-notch)) 0, 100% var(--home-notch), 100% 100%, 0 100%);
}

.page-home .path-card--desktop {
  background: var(--night);
  border-left-color: var(--sky);
  color: var(--on-night);
}

.page-home .path-card__title {
  font-size: var(--fs-4);
  font-weight: 900;
  letter-spacing: -0.01em;
  margin: 0;
  color: var(--night);
}

.page-home .path-card--desktop .path-card__title {
  color: var(--paper);
}

.page-home .path-card__note {
  margin: 6px 0 0;
  font-size: 15px;
  line-height: 1.7;
  color: var(--ink-soft);
}

.page-home .path-card--desktop .path-card__note {
  color: var(--on-night);
}

.page-home .path-card__list {
  list-style: none;
  counter-reset: path;
  margin: 16px 0 0;
  padding: 14px 0 0;
  border-top: 1px solid rgba(217, 164, 65, 0.4);
  display: grid;
  gap: 8px;
}

.page-home .path-card__list li {
  counter-increment: path;
  display: grid;
  grid-template-columns: 26px 1fr;
  gap: 10px;
  font-size: 15px;
  line-height: 1.7;
}

.page-home .path-card__list li::before {
  content: counter(path, decimal-leading-zero);
  font-family: var(--font-mono);
  font-size: var(--fs-6);
  font-variant-numeric: tabular-nums;
  color: var(--clay);
  padding-top: 3px;
}

.page-home .path-card--desktop .path-card__list li::before {
  color: var(--sand);
}

/* 步骤卡 */
.page-home .step-stack {
  display: grid;
  gap: 12px;
}

.page-home .step-card {
  background: var(--night);
  color: var(--on-night);
  clip-path: polygon(0 0, calc(100% - var(--home-notch)) 0, 100% var(--home-notch), 100% 100%, 0 100%);
}

.page-home .step-card:nth-child(even) {
  background: var(--deep);
}

.page-home .step-card__head {
  display: grid;
  grid-template-columns: auto 1fr auto;
  align-items: center;
  gap: 14px;
  padding: 16px 18px;
  cursor: pointer;
  list-style: none;
}

.page-home .step-card__head::-webkit-details-marker {
  display: none;
}

.page-home .step-card__num {
  display: grid;
  place-items: center;
  width: 34px;
  height: 34px;
  border-radius: 6px;
  background: var(--sand);
  color: var(--night);
  font-family: var(--font-mono);
  font-size: var(--fs-6);
  font-weight: 700;
  font-variant-numeric: tabular-nums;
}

.page-home .step-card__title {
  font-size: var(--fs-5);
  font-weight: 700;
  letter-spacing: 0.01em;
  color: var(--paper);
}

.page-home .step-card__cue {
  position: relative;
  width: 14px;
  height: 14px;
}

.page-home .step-card__cue::before,
.page-home .step-card__cue::after {
  content: "";
  position: absolute;
  left: 0;
  top: 6px;
  width: 14px;
  height: 2px;
  background: var(--sand);
  transition: transform var(--dur) var(--ease), opacity var(--dur) var(--ease);
}

.page-home .step-card__cue::after {
  transform: rotate(90deg);
}

.page-home .step-card[open] .step-card__cue::after {
  transform: rotate(90deg) scaleX(0);
  opacity: 0;
}

.page-home .step-card__body {
  padding: 0 18px 18px;
  border-top: 1px dashed rgba(217, 164, 65, 0.35);
  margin: 0 18px;
  padding-left: 0;
  padding-right: 0;
}

.page-home .step-card__body p {
  margin: 12px 0 0;
  font-size: 15px;
  line-height: 1.85;
  color: var(--on-night);
  max-width: 34em;
}

/* 目录六类 */
.page-home .dir-block {
  display: grid;
  grid-template-columns: 1fr;
  gap: 20px;
}

.page-home .dir-block__figure {
  margin: 0;
  max-width: 200px;
}

.page-home .dir-block__figure img {
  width: 100%;
  object-fit: cover;
}

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

.page-home .dir-row {
  border-bottom: var(--home-rule);
}

.page-home .dir-row__link {
  display: grid;
  grid-template-columns: 38px 1fr;
  gap: 2px 14px;
  padding: 14px 4px;
  text-decoration: none;
  color: inherit;
  transition: background var(--dur) var(--ease), box-shadow var(--dur) var(--ease);
}

.page-home .dir-row__link:hover,
.page-home .dir-row__link:focus-visible {
  background: rgba(243, 231, 206, 0.55);
  box-shadow: inset 4px 0 0 var(--sand);
}

.page-home .dir-row__num {
  font-family: var(--font-mono);
  font-size: var(--fs-6);
  font-variant-numeric: tabular-nums;
  color: var(--clay);
  padding-top: 5px;
}

.page-home .dir-row__name {
  font-weight: 700;
  font-size: var(--fs-5);
  color: var(--night);
}

.page-home .dir-row__desc {
  grid-column: 2;
  font-size: 15px;
  line-height: 1.7;
  color: var(--ink-soft);
}

.page-home .home-aside-link {
  margin: 18px 0 0;
  font-size: 15px;
  color: var(--ink-soft);
}

.page-home .home-aside-link__a {
  color: var(--deep);
  text-decoration: underline;
  text-decoration-color: var(--sand);
  text-underline-offset: 4px;
}

/* 会员中心六格 */
.page-home .member-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 1px;
  background: var(--line);
  border: 1px solid var(--line);
}

.page-home .member-tile {
  background: var(--paper);
  padding: 16px 14px;
}

.page-home .member-tile__num {
  font-family: var(--font-mono);
  font-size: var(--fs-6);
  font-variant-numeric: tabular-nums;
  letter-spacing: 0.08em;
  color: var(--sand);
}

.page-home .member-tile__title {
  font-size: var(--fs-5);
  font-weight: 700;
  margin: 4px 0 4px;
  color: var(--night);
}

.page-home .member-tile__text {
  margin: 0;
  font-size: 14px;
  line-height: 1.7;
  color: var(--ink-soft);
}

/* 常见提示 */
.page-home .tip-list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 4px;
}

.page-home .tip {
  display: grid;
  grid-template-columns: auto 1fr;
  gap: 16px;
  padding: 16px 0;
  border-top: var(--home-rule);
}

.page-home .tip__num {
  font-family: var(--font-mono);
  font-size: var(--fs-3);
  font-variant-numeric: tabular-nums;
  font-weight: 700;
  line-height: 1.2;
  color: var(--sand);
}

.page-home .tip__title {
  font-size: var(--fs-5);
  font-weight: 700;
  margin: 0 0 4px;
  color: var(--night);
}

.page-home .tip__text {
  margin: 0;
  font-size: 15px;
  line-height: 1.8;
  color: var(--ink-soft);
  max-width: 34em;
}

/* 更新区块 */
.page-home .home-update {
  position: relative;
  overflow: hidden;
  background: var(--night);
  color: var(--on-night);
  clip-path: polygon(0 0, 100% 0, 100% calc(100% - 22px), calc(100% - 22px) 100%, 0 100%);
}

.page-home .home-update__bg {
  position: absolute;
  inset: 0;
}

.page-home .home-update__bg img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  opacity: 0.22;
}

.page-home .home-update__inner {
  position: relative;
  padding: clamp(24px, 4vw, 40px);
}

.page-home .home-update .eyebrow {
  color: var(--sand);
}

.page-home .home-update h2 {
  font-size: var(--fs-2);
  font-weight: 900;
  letter-spacing: -0.02em;
  line-height: 1.14;
  margin: 6px 0 18px;
  color: var(--paper);
}

.page-home .home-update__list {
  list-style: none;
  margin: 0 0 24px;
  padding: 0;
  display: grid;
  gap: 10px;
}

.page-home .home-update__item {
  display: grid;
  grid-template-columns: 34px 1fr;
  gap: 12px;
  padding-top: 10px;
  border-top: 1px dashed rgba(217, 164, 65, 0.35);
}

.page-home .home-update__num {
  font-family: var(--font-mono);
  font-size: var(--fs-6);
  font-variant-numeric: tabular-nums;
  color: var(--sand);
  padding-top: 4px;
}

.page-home .home-update__text {
  font-size: 15px;
  line-height: 1.8;
  color: var(--on-night);
}

/* 收藏引导 */
.page-home .home-save {
  background: var(--sand-pale);
  padding: clamp(24px, 4vw, 40px);
  clip-path: polygon(0 0, 100% 0, 100% 100%, 22px 100%, 0 calc(100% - 22px));
}

.page-home .home-save__text {
  margin: 0 0 20px;
  color: var(--ink-soft);
  max-width: 34em;
}

.page-home .save-steps {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  grid-template-columns: 1fr;
  gap: 16px;
}

.page-home .save-step {
  background: rgba(251, 247, 239, 0.86);
  padding: 16px 16px 18px;
  border-top: 3px solid var(--sand);
}

.page-home .save-step__num {
  font-family: var(--font-mono);
  font-size: var(--fs-6);
  letter-spacing: 0.08em;
  color: var(--clay);
}

.page-home .save-step__title {
  font-size: var(--fs-5);
  font-weight: 700;
  margin: 4px 0 4px;
  color: var(--night);
}

.page-home .save-step__text {
  margin: 0;
  font-size: 14px;
  line-height: 1.7;
  color: var(--ink-soft);
}

/* 联系支持 */
.page-home .home-support {
  border-top: 1px solid var(--line);
  padding-top: clamp(22px, 3vw, 30px);
}

.page-home .home-support__text {
  margin: 0;
  max-width: 34em;
  color: var(--ink-soft);
}

.page-home .home-support__mail {
  margin: 16px 0 4px;
  font-family: var(--font-mono);
  font-size: var(--fs-3);
  font-variant-numeric: tabular-nums;
  letter-spacing: 0.02em;
  color: var(--deep);
  word-break: break-all;
}

.page-home .home-support__note {
  margin: 0;
  font-size: 14px;
  color: var(--ink-soft);
}

/* 右侧书签目录 */
.page-home .bookmark-rail {
  border-left: 1px solid var(--line);
  padding-left: 14px;
}

.page-home .bookmark-rail__title {
  margin: 0 0 12px;
  font-family: var(--font-mono);
  font-size: var(--fs-6);
  letter-spacing: 0.1em;
  color: var(--ink-soft);
}

.page-home .bookmark-rail__list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 2px;
}

.page-home .bookmark-rail__link {
  position: relative;
  display: grid;
  grid-template-columns: 24px 1fr;
  gap: 8px;
  align-items: baseline;
  padding: 9px 0 9px 10px;
  font-size: 15px;
  color: var(--night);
  text-decoration: none;
  transition: color var(--dur) var(--ease);
}

.page-home .bookmark-rail__link::before {
  content: "";
  position: absolute;
  left: -15px;
  top: 8px;
  bottom: 8px;
  width: 0;
  background: var(--sand);
  transition: width var(--dur) var(--ease);
}

.page-home .bookmark-rail__link:hover,
.page-home .bookmark-rail__link:focus-visible {
  color: var(--clay);
}

.page-home .bookmark-rail__link:hover::before,
.page-home .bookmark-rail__link:focus-visible::before {
  width: 6px;
}

.page-home .bookmark-rail__num {
  font-family: var(--font-mono);
  font-size: var(--fs-6);
  font-variant-numeric: tabular-nums;
  color: var(--sand);
}

.page-home .bookmark-rail__foot {
  margin: 16px 0 0;
  padding-top: 12px;
  border-top: 1px dashed var(--line-sand);
  font-family: var(--font-mono);
  font-size: var(--fs-6);
  letter-spacing: 0.04em;
  color: var(--ink-soft);
}

/* 平板 */
@media (min-width: 720px) {
  .page-home .path-pair {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

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

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

  .page-home .dir-block {
    grid-template-columns: 200px minmax(0, 1fr);
    align-items: start;
    gap: 28px;
  }

  .page-home .dir-row__link {
    grid-template-columns: 38px 150px minmax(0, 1fr);
    align-items: baseline;
  }

  .page-home .dir-row__desc {
    grid-column: 3;
  }
}

/* 桌面：非对称双栏 + 粘性书签 */
@media (min-width: 901px) {
  .page-home .home-layout {
    grid-template-columns: repeat(12, minmax(0, 1fr));
    column-gap: clamp(20px, 2.2vw, 34px);
  }

  .page-home .home-main {
    grid-column: 1 / span 8;
  }

  .page-home .home-rail {
    display: block;
    grid-column: 10 / span 3;
    align-self: start;
    position: sticky;
    top: 96px;
  }

  .page-home .step-stack {
    gap: 14px;
  }

  .page-home .step-card:nth-child(even) {
    margin-left: 26px;
  }

  .page-home .step-card:nth-child(3n) {
    margin-left: 12px;
  }

  .page-home .home-facts {
    gap: 18px 44px;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-home .device-switch__btn,
  .page-home .dir-row__link,
  .page-home .step-card__cue::before,
  .page-home .step-card__cue::after,
  .page-home .bookmark-rail__link,
  .page-home .bookmark-rail__link::before {
    transition: none !important;
  }
}
<<<END>>>