.page-home {
  --ph-max: 1120px;
  --ph-radius: 2px;
  display: block;
  background: var(--paper);
  color: var(--ink);
  font-family: var(--sans);
  font-size: 16px;
  line-height: 1.75;
  -webkit-font-smoothing: antialiased;
}

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

.page-home .container {
  width: 100%;
  max-width: var(--ph-max);
  margin-inline: auto;
  padding-inline: var(--gutter);
}

.page-home a:focus-visible,
.page-home summary:focus-visible,
.page-home button:focus-visible {
  outline: 2px solid var(--indigo);
  outline-offset: 3px;
}

/* ---------- 首屏框景 ---------- */
.page-home .ph-hero {
  padding-block: clamp(16px, 3vw, 28px) clamp(8px, 2vw, 16px);
}

.page-home .breadcrumb {
  margin-bottom: 14px;
  font-family: var(--mono);
  font-size: 12px;
  letter-spacing: 0.08em;
}

.page-home .ph-frame {
  position: relative;
  margin-top: 6px;
  border: 1px solid var(--line);
  border-radius: var(--ph-radius);
  background: var(--card);
  box-shadow: var(--shadow);
}

.page-home .ph-frame::before,
.page-home .ph-frame::after,
.page-home .ph-frame__inner::before,
.page-home .ph-frame__inner::after {
  content: "";
  position: absolute;
  width: 16px;
  height: 16px;
  z-index: 3;
  pointer-events: none;
  opacity: 0.55;
}

.page-home .ph-frame::before {
  top: 7px;
  left: 7px;
  border-top: 1px solid var(--ink);
  border-left: 1px solid var(--ink);
}

.page-home .ph-frame::after {
  top: 7px;
  right: 7px;
  border-top: 1px solid var(--ink);
  border-right: 1px solid var(--ink);
}

.page-home .ph-frame__inner {
  position: relative;
  overflow: hidden;
  border-radius: var(--ph-radius);
}

.page-home .ph-frame__inner::before {
  bottom: 7px;
  left: 7px;
  border-bottom: 1px solid var(--ink);
  border-left: 1px solid var(--ink);
}

.page-home .ph-frame__inner::after {
  bottom: 7px;
  right: 7px;
  border-bottom: 1px solid var(--ink);
  border-right: 1px solid var(--ink);
}

.page-home .ph-frame__media {
  position: absolute;
  inset: 0;
  z-index: 0;
  background: linear-gradient(102deg, rgba(244, 241, 234, 0.97) 0%, rgba(244, 241, 234, 0.9) 48%, rgba(232, 221, 198, 0.62) 100%);
}

.page-home .ph-frame__bg {
  width: 100%;
  height: 100%;
  object-fit: cover;
  opacity: 0.24;
  filter: saturate(0.6) contrast(0.95);
}

.page-home .ph-frame__body {
  position: relative;
  z-index: 2;
  max-width: 780px;
  padding: clamp(26px, 5vw, 58px) clamp(20px, 4.5vw, 54px) clamp(24px, 4.5vw, 48px);
}

.page-home .ph-frame__label {
  display: flex;
  align-items: center;
  gap: 8px;
  margin: 0 0 14px;
  font-family: var(--mono);
  font-size: 12px;
  letter-spacing: 0.1em;
  color: var(--indigo);
}

.page-home .ph-frame__dot {
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--cinnabar);
}

.page-home h1 {
  margin: 0 0 16px;
  font-family: var(--serif);
  font-weight: 700;
  font-size: clamp(27px, 5.2vw, 46px);
  line-height: 1.24;
  letter-spacing: 0.01em;
  color: var(--ink);
  text-wrap: balance;
}

.page-home .ph-lede {
  margin: 0;
  max-width: 42em;
  font-size: 16px;
  line-height: 1.8;
  color: var(--ink);
}

.page-home .ph-lede--sm {
  font-size: 15px;
  color: #3c3a34;
}

/* 三个入口 */
.page-home .ph-entries {
  display: grid;
  gap: 12px;
  margin-top: clamp(22px, 4vw, 38px);
}

.page-home .ph-entry {
  display: grid;
  gap: 6px;
  padding: 16px 16px 18px;
  border: 1px solid var(--line-soft);
  border-radius: var(--ph-radius);
  background: rgba(251, 248, 241, 0.86);
  text-decoration: none;
  color: inherit;
  transition: border-color 0.16s var(--ease), transform 0.16s var(--ease), background-color 0.16s var(--ease);
}

.page-home .ph-entry:hover,
.page-home .ph-entry:focus-visible {
  border-color: var(--gold);
  transform: translateY(-1px);
  background: var(--card);
}

.page-home .ph-entry__num {
  font-family: var(--mono);
  font-size: 12px;
  letter-spacing: 0.14em;
  color: var(--cinnabar);
}

.page-home .ph-entry__title {
  font-family: var(--serif);
  font-size: 18px;
  font-weight: 600;
  line-height: 1.4;
  color: var(--ink);
}

.page-home .ph-entry__text {
  font-size: 14px;
  line-height: 1.72;
  color: var(--slate);
}

.page-home .ph-entry__go {
  margin-top: 2px;
  font-size: 13px;
  font-weight: 600;
  color: var(--gold-ink);
}

/* ---------- 目录条 ---------- */
.page-home .ph-toc {
  margin-top: clamp(20px, 3vw, 30px);
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
  background: var(--paper);
}

.page-home .ph-toc__inner {
  display: flex;
  align-items: center;
  gap: 14px;
  padding-block: 10px;
}

.page-home .ph-toc .toc__title {
  flex: none;
  margin: 0;
  font-family: var(--mono);
  font-size: 11px;
  letter-spacing: 0.18em;
  color: var(--slate);
}

.page-home .ph-toc .toc__list {
  display: flex;
  gap: 18px;
  margin: 0;
  padding: 0 0 2px;
  list-style: none;
  overflow-x: auto;
  scrollbar-width: thin;
}

.page-home .ph-toc .toc__link {
  display: inline-block;
  white-space: nowrap;
  padding-bottom: 2px;
  border-bottom: 1px solid transparent;
  font-family: var(--mono);
  font-size: 12px;
  letter-spacing: 0.06em;
  color: var(--indigo);
  text-decoration: none;
  transition: border-color 0.16s var(--ease), color 0.16s var(--ease);
}

.page-home .ph-toc .toc__link:hover,
.page-home .ph-toc .toc__link[aria-current="true"] {
  border-bottom-color: var(--cinnabar);
  color: var(--cinnabar);
}

/* ---------- 章节通用 ---------- */
.page-home .ph-section {
  padding-block: clamp(38px, 7vw, 78px);
}

.page-home .ph-section--wall {
  background: var(--wall);
  border-block: 1px solid var(--line-soft);
}

.page-home .ph-head {
  max-width: 34em;
  margin-bottom: clamp(20px, 3.5vw, 32px);
}

.page-home .ph-head--wide {
  max-width: 40em;
}

.page-home .eyebrow {
  margin: 0 0 8px;
  font-family: var(--mono);
  font-size: 11px;
  letter-spacing: 0.2em;
  color: var(--cinnabar);
}

.page-home .ph-h2 {
  margin: 0 0 12px;
  font-family: var(--serif);
  font-weight: 600;
  font-size: clamp(23px, 3.6vw, 33px);
  line-height: 1.3;
  color: var(--ink);
  text-wrap: balance;
}

.page-home .ph-split {
  display: grid;
  gap: clamp(26px, 4vw, 44px);
}

/* ---------- 时间轴 ---------- */
.page-home .ph-timeline {
  margin: 0 0 22px;
  padding: 0;
  list-style: none;
  position: relative;
}

.page-home .ph-timeline::before {
  content: "";
  position: absolute;
  left: 4px;
  top: 10px;
  bottom: 10px;
  width: 1px;
  background: var(--line);
}

.page-home .ph-node {
  position: relative;
  padding-left: 26px;
}

.page-home .ph-node + .ph-node {
  margin-top: 4px;
}

.page-home .ph-node::before {
  content: "";
  position: absolute;
  left: 0;
  top: 17px;
  width: 9px;
  height: 9px;
  border-radius: 50%;
  background: var(--cinnabar);
  box-shadow: 0 0 0 3px var(--paper);
}

.page-home .ph-section--wall .ph-node::before {
  box-shadow: 0 0 0 3px var(--wall);
}

.page-home .ph-node__summary {
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  gap: 4px 12px;
  padding: 11px 0;
  cursor: pointer;
  list-style: none;
  border-bottom: 1px solid var(--line-soft);
}

.page-home .ph-node__summary::-webkit-details-marker {
  display: none;
}

.page-home .ph-node__ver {
  font-family: var(--mono);
  font-size: 11px;
  letter-spacing: 0.1em;
  color: var(--indigo);
}

.page-home .ph-node__title {
  font-family: var(--serif);
  font-size: 17px;
  font-weight: 600;
  line-height: 1.45;
  color: var(--ink);
}

.page-home .ph-node__summary:hover .ph-node__title {
  color: var(--indigo);
}

.page-home .ph-node__body {
  padding: 12px 0 16px;
}

.page-home .ph-node__body p {
  margin: 0 0 10px;
  font-size: 15px;
  line-height: 1.8;
  color: #33322d;
}

.page-home .ph-node__tags {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

.page-home .ph-split__aside .figure {
  margin: 0;
}

.page-home .ph-split__aside .figure img {
  width: 100%;
  border: 1px solid var(--line);
  border-radius: var(--ph-radius);
  background: var(--rice);
}

.page-home .figure__caption {
  margin-top: 10px;
  font-size: 13px;
  line-height: 1.7;
  color: var(--slate);
}

/* ---------- 产品线索引 ---------- */
.page-home .ph-index {
  display: grid;
  gap: clamp(22px, 4vw, 40px);
}

.page-home .ph-index__caption {
  margin: 0 0 4px;
  padding-bottom: 10px;
  border-bottom: 1px solid var(--ink);
  font-family: var(--mono);
  font-size: 11px;
  font-weight: 500;
  letter-spacing: 0.2em;
  color: var(--indigo);
}

.page-home .ph-row {
  display: grid;
  grid-template-columns: 2.1rem minmax(0, 1fr);
  gap: 2px 12px;
  padding: 14px 0;
  border-bottom: 1px solid var(--line-soft);
}

.page-home .ph-row__num {
  font-family: var(--mono);
  font-size: 11px;
  line-height: 1.9;
  letter-spacing: 0.08em;
  color: var(--cinnabar);
}

.page-home .ph-row__name {
  font-family: var(--serif);
  font-size: 17px;
  font-weight: 600;
  line-height: 1.5;
  color: var(--ink);
}

.page-home .ph-row__desc {
  grid-column: 2;
  font-size: 14px;
  line-height: 1.72;
  color: #4a4841;
}

.page-home .ph-stats {
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  gap: 18px 44px;
  margin-top: clamp(24px, 4vw, 38px);
  padding-top: 20px;
  border-top: 1px solid var(--line);
}

.page-home .ph-stat__num {
  display: block;
  font-family: var(--serif);
  font-size: clamp(24px, 3vw, 30px);
  font-weight: 700;
  line-height: 1.2;
  color: var(--indigo);
}

.page-home .ph-stat__label {
  display: block;
  margin-top: 4px;
  font-family: var(--mono);
  font-size: 11px;
  letter-spacing: 0.14em;
  color: var(--slate);
}

.page-home .ph-stats__link {
  margin-left: auto;
}

/* ---------- 反馈摘要 ---------- */
.page-home .ph-feedback {
  display: grid;
  gap: clamp(24px, 4vw, 40px);
  align-items: start;
}

.page-home .ph-feedback__list {
  margin: 18px 0 22px;
  padding: 0;
  list-style: none;
  display: grid;
  gap: 8px;
}

.page-home .ph-feedback__list li {
  position: relative;
  padding-left: 18px;
  font-size: 15px;
  line-height: 1.7;
  color: #33322d;
}

.page-home .ph-feedback__list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 10px;
  width: 7px;
  height: 7px;
  background: var(--rice);
  border: 1px solid var(--cinnabar);
}

.page-home .ph-record {
  padding: 22px 20px 24px;
  background: var(--rice);
  border: 1px solid var(--line);
  border-left: 3px solid var(--cinnabar);
  border-radius: var(--ph-radius);
  box-shadow: var(--shadow);
}

.page-home .ph-record__label {
  margin: 0 0 8px;
  font-family: var(--mono);
  font-size: 11px;
  letter-spacing: 0.2em;
  color: var(--slate);
}

.page-home .ph-record__num {
  margin: 0 0 10px;
  font-family: var(--serif);
  font-size: clamp(26px, 4vw, 32px);
  font-weight: 700;
  line-height: 1.2;
  color: var(--cinnabar);
}

.page-home .ph-record__text {
  margin: 0 0 12px;
  font-size: 14px;
  line-height: 1.78;
  color: #33322d;
}

.page-home .ph-record__meta {
  margin: 0;
  padding-top: 12px;
  border-top: 1px solid rgba(28, 27, 24, 0.12);
  font-family: var(--mono);
  font-size: 12px;
  letter-spacing: 0.04em;
  color: var(--slate);
}

/* ---------- 暖金双入口 ---------- */
.page-home .ph-anchor {
  padding-block: clamp(36px, 6vw, 68px);
  background: linear-gradient(150deg, #f1e3c5 0%, #e5cc9c 54%, #d7b87f 100%);
  color: var(--gold-ink);
  border-top: 1px solid rgba(122, 90, 30, 0.28);
  border-bottom: 1px solid rgba(122, 90, 30, 0.28);
}

.page-home .ph-anchor__grid {
  display: grid;
  gap: clamp(22px, 4vw, 36px);
  align-items: center;
}

.page-home .ph-anchor__stamp {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 62px;
  height: 62px;
  margin: 0 0 16px;
  border: 2px solid var(--cinnabar);
  border-radius: 50%;
  color: var(--cinnabar);
  font-family: var(--serif);
  font-size: 15px;
  font-weight: 600;
  line-height: 1.1;
  letter-spacing: 0.1em;
  writing-mode: vertical-rl;
  transform: rotate(-6deg);
}

.page-home .ph-anchor__title {
  margin: 0 0 12px;
  font-family: var(--serif);
  font-size: clamp(23px, 3.4vw, 31px);
  font-weight: 700;
  line-height: 1.3;
  color: #4d370f;
  text-wrap: balance;
}

.page-home .ph-anchor__text {
  margin: 0 0 20px;
  max-width: 34em;
  font-size: 15px;
  line-height: 1.8;
  color: #5a4114;
}

.page-home .ph-anchor__links {
  display: grid;
  gap: 10px;
}

.page-home .ph-anchor__link {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 14px;
  padding: 13px 16px;
  border: 1px solid rgba(122, 90, 30, 0.5);
  border-radius: var(--ph-radius);
  background: rgba(255, 252, 245, 0.55);
  font-size: 15px;
  font-weight: 600;
  color: #4d370f;
  text-decoration: none;
  transition: background-color 0.16s var(--ease), transform 0.16s var(--ease), border-color 0.16s var(--ease);
}

.page-home .ph-anchor__link:hover,
.page-home .ph-anchor__link:focus-visible {
  background: #fffdf8;
  border-color: var(--cinnabar);
  transform: translateY(-1px);
}

.page-home .ph-anchor__figure {
  margin: 0;
}

.page-home .ph-anchor__figure img {
  width: 100%;
  border: 1px solid rgba(122, 90, 30, 0.35);
  border-radius: var(--ph-radius);
  box-shadow: 0 12px 30px -22px rgba(77, 55, 15, 0.9);
}

/* ---------- 常见疑问 ---------- */
.page-home .ph-qlist {
  margin: 0;
  padding: 0;
  list-style: none;
  border-top: 1px solid var(--line);
}

.page-home .ph-q {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 4px 18px;
  padding: 15px 4px;
  border-bottom: 1px solid var(--line-soft);
  text-decoration: none;
  color: var(--ink);
  transition: padding-left 0.16s var(--ease), color 0.16s var(--ease);
}

.page-home .ph-q:hover,
.page-home .ph-q:focus-visible {
  padding-left: 12px;
  color: var(--indigo);
}

.page-home .ph-q__ask {
  font-family: var(--serif);
  font-size: 16px;
  font-weight: 600;
  line-height: 1.6;
}

.page-home .ph-q__where {
  font-family: var(--mono);
  font-size: 11px;
  letter-spacing: 0.12em;
  color: var(--slate);
}

.page-home .ph-questions__more {
  margin-top: 20px;
}

.page-home .link-arrow {
  display: inline-block;
  font-size: 14px;
  font-weight: 600;
  color: var(--indigo);
  text-decoration: none;
  border-bottom: 1px solid var(--gold);
  padding-bottom: 2px;
}

.page-home .link-arrow:hover,
.page-home .link-arrow:focus-visible {
  color: var(--cinnabar);
  border-bottom-color: var(--cinnabar);
}

/* ---------- 断点 ---------- */
@media (min-width: 700px) {
  .page-home .ph-feedback__list {
    grid-template-columns: 1fr 1fr;
    column-gap: 24px;
  }

  .page-home .ph-anchor__links {
    grid-template-columns: 1fr 1fr;
  }
}

@media (min-width: 760px) {
  .page-home .ph-entries {
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 0;
    margin-top: clamp(26px, 4vw, 42px);
    border-top: 1px solid var(--line);
  }

  .page-home .ph-entry {
    border: 0;
    border-radius: 0;
    border-left: 1px solid var(--line);
    background: transparent;
    padding: 18px 20px 20px;
  }

  .page-home .ph-entry:first-child {
    border-left: 0;
    padding-left: 0;
  }

  .page-home .ph-entry:hover,
  .page-home .ph-entry:focus-visible {
    background: rgba(251, 248, 241, 0.9);
  }
}

@media (min-width: 900px) {
  .page-home .ph-split {
    grid-template-columns: minmax(0, 7fr) minmax(0, 4fr);
    align-items: start;
  }

  .page-home .ph-split__aside {
    position: sticky;
    top: 88px;
  }

  .page-home .ph-index {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    column-gap: clamp(32px, 5vw, 64px);
  }

  .page-home .ph-feedback {
    grid-template-columns: minmax(0, 7fr) minmax(0, 4fr);
  }

  .page-home .ph-anchor__grid {
    grid-template-columns: minmax(0, 7fr) minmax(0, 5fr);
    gap: clamp(28px, 5vw, 56px);
  }
}

@media (min-width: 960px) {
  .page-home .ph-toc {
    position: sticky;
    top: 0;
    z-index: 20;
    backdrop-filter: blur(2px);
  }

  .page-home #versions,
  .page-home #catalog,
  .page-home #feedback-help,
  .page-home #questions {
    scroll-margin-top: 76px;
  }
}

@media (max-width: 520px) {
  .page-home .ph-stats__link {
    margin-left: 0;
  }

  .page-home .ph-row {
    grid-template-columns: 1.8rem minmax(0, 1fr);
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-home .ph-entry,
  .page-home .ph-anchor__link,
  .page-home .ph-q,
  .page-home .ph-toc .toc__link {
    transition: none;
  }

  .page-home .ph-entry:hover,
  .page-home .ph-anchor__link:hover {
    transform: none;
  }
}
<<<PAGE_CSS_END>>>