.page-home {
  --home-tight: clamp(14px, 2.4vw, 22px);
}

/* ===== 刊头 · 本期导读 ===== */
.page-home .hero {
  position: relative;
  padding: clamp(26px, 6vw, 58px) 0 clamp(24px, 4.4vw, 46px);
  background:
    radial-gradient(120% 90% at 12% 0%, rgba(242, 193, 78, .22), rgba(244, 241, 234, 0) 62%),
    var(--sand);
  border-bottom: var(--line);
}
.page-home .hero::after {
  content: "";
  position: absolute;
  left: 0;
  right: 0;
  bottom: -2px;
  height: 6px;
  background: repeating-linear-gradient(90deg, var(--cinnabar) 0 28px, var(--gilded) 28px 56px, var(--indigo) 56px 84px);
}
.page-home .hero__inner {
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
  gap: clamp(12px, 2vw, 20px);
}
.page-home .hero__kicker {
  margin: 0;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: .16em;
  color: var(--umber);
  display: flex;
  align-items: center;
  gap: 10px;
  flex-wrap: wrap;
  justify-content: center;
}
.page-home .hero__kicker span {
  color: var(--mist);
  letter-spacing: .1em;
}
.page-home .hero__title {
  margin: 0;
  font-family: var(--font-head);
  font-weight: 900;
  font-size: clamp(29px, 7vw, 62px);
  line-height: 1.16;
  letter-spacing: .01em;
  color: var(--indigo);
  max-width: 15em;
}
.page-home .hero__hl {
  box-shadow: inset 0 -.22em 0 var(--gilded);
}
.page-home .hero__lede {
  margin: 0;
  max-width: 40em;
  font-size: clamp(15px, 1.7vw, 18px);
  line-height: 1.8;
  color: var(--mid);
}

.page-home .hero__toc {
  width: 100%;
  margin-top: clamp(6px, 1.6vw, 14px);
  border-top: var(--line);
  padding-top: clamp(14px, 2.4vw, 22px);
}
.page-home .hero__toc-title {
  margin: 0 0 12px;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: .18em;
  color: var(--mist);
}
.page-home .hero__toc-list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 8px;
  grid-template-columns: 1fr;
}
.page-home .hero__toc-list a {
  display: flex;
  align-items: baseline;
  gap: 10px;
  padding: 10px 12px;
  background: var(--paper);
  border: var(--line);
  box-shadow: var(--shadow-soft);
  text-decoration: none;
  color: var(--mid);
  font-size: 14px;
  line-height: 1.6;
  text-align: left;
  transition: transform var(--dur) var(--ease), box-shadow var(--dur) var(--ease);
}
.page-home .hero__toc-list a:hover {
  transform: translate(-1px, -1px);
  box-shadow: var(--shadow-hard);
}
.page-home .hero__toc-list .mono {
  color: var(--cinnabar);
  font-size: 12px;
  letter-spacing: .08em;
  flex: none;
}

/* ===== 侧边索引（仅超宽屏出现） ===== */
.page-home .toc {
  display: none;
}
.page-home .toc__title {
  margin: 0 0 8px;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: .18em;
  color: var(--mist);
}
.page-home .toc__list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 2px;
}
.page-home .toc__list a {
  display: block;
  padding: 5px 6px;
  font-size: 12px;
  line-height: 1.5;
  color: var(--mist);
  text-decoration: none;
  border-left: 2px solid rgba(15, 26, 46, .18);
  transition: color var(--dur) var(--ease), border-color var(--dur) var(--ease);
}
.page-home .toc__list a .mono {
  color: var(--mist);
  font-size: 11px;
  margin-right: 4px;
}
.page-home .toc__list a.is-current {
  color: var(--cinnabar);
  border-left-color: var(--cinnabar);
}
.page-home .toc__list a.is-current .mono {
  color: var(--cinnabar);
}

/* ===== 章节 01 分屏 ===== */
.page-home .split {
  display: grid;
  gap: clamp(24px, 4vw, 44px);
  align-items: start;
}
.page-home .split__eyebrow {
  margin: 0 0 10px;
  font-size: 12px;
  letter-spacing: .16em;
  color: var(--cinnabar);
}
.page-home .split__title {
  margin: 0 0 14px;
  font-family: var(--font-head);
  font-weight: 900;
  font-size: clamp(23px, 3.4vw, 34px);
  line-height: 1.28;
  color: var(--indigo);
}
.page-home .split__lede {
  margin: 0;
  font-size: 16px;
  line-height: 1.8;
  color: var(--mid);
}
.page-home .split__points {
  list-style: none;
  margin: 20px 0 0;
  padding: 0;
  display: grid;
  gap: 12px;
}
.page-home .split__points li {
  position: relative;
  padding-left: 24px;
  font-size: 15px;
  line-height: 1.8;
  color: var(--mid);
}
.page-home .split__points li::before {
  content: "";
  position: absolute;
  left: 0;
  top: .62em;
  width: 10px;
  height: 10px;
  background: var(--gilded);
  border: 2px solid var(--ink);
}
.page-home .split__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 24px;
}
.page-home .split__actions .btn {
  transition: transform var(--dur) var(--ease), box-shadow var(--dur) var(--ease);
}
.page-home .split__actions .btn:hover {
  transform: translate(-2px, -2px);
  box-shadow: var(--shadow-hard);
}
.page-home .split__visual {
  position: relative;
  border: var(--line);
  box-shadow: var(--shadow-hard);
  background: var(--indigo);
  overflow: hidden;
  aspect-ratio: 6 / 7;
}
.page-home .split__img {
  display: block;
  width: 100%;
  height: 100%;
  object-fit: cover;
  filter: saturate(.75) contrast(1.08);
}
.page-home .split__line {
  position: absolute;
  top: 0;
  bottom: 0;
  width: 3px;
}
.page-home .split__line--cn {
  left: 22%;
  background: var(--cinnabar);
}
.page-home .split__line--en {
  right: 22%;
  background: var(--gilded);
}
.page-home .split__node {
  position: absolute;
  left: 22%;
  width: 16px;
  height: 16px;
  margin-left: -7px;
  border-radius: 50%;
  background: var(--gilded);
  border: 3px solid var(--ink);
}
.page-home .split__node--1 { top: 18%; }
.page-home .split__node--2 { top: 47%; }
.page-home .split__node--3 { top: 76%; }
.page-home .split__caption {
  position: absolute;
  left: 0;
  bottom: 0;
  padding: 7px 12px;
  background: var(--ink);
  color: var(--gilded);
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: .14em;
}

/* ===== 章节共用底纹 ===== */
.page-home .section--band {
  background: var(--paper);
  border-top: var(--line);
  border-bottom: var(--line);
}

/* ===== 章节 02 定位 ===== */
.page-home .locate {
  display: grid;
  gap: clamp(22px, 3.5vw, 40px);
  margin-top: clamp(20px, 3vw, 32px);
}
.page-home .locate__list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 12px;
  grid-template-columns: 1fr;
}
.page-home .locate__item a {
  display: grid;
  grid-template-columns: auto 1fr;
  gap: 14px;
  align-items: start;
  height: 100%;
  padding: 16px 16px;
  background: var(--paper);
  border: var(--line);
  box-shadow: var(--shadow-soft);
  text-decoration: none;
  color: inherit;
  transition: transform var(--dur) var(--ease), box-shadow var(--dur) var(--ease);
}
.page-home .locate__item a:hover {
  transform: translate(-2px, -2px);
  box-shadow: var(--shadow-hard);
}
.page-home .locate__num {
  font-family: var(--font-mono);
  font-size: 22px;
  font-weight: 700;
  line-height: 1;
  color: var(--cinnabar);
  padding-top: 2px;
}
.page-home .locate__body {
  display: block;
}
.page-home .locate__body strong {
  display: block;
  font-family: var(--font-head);
  font-size: 17px;
  font-weight: 700;
  color: var(--indigo);
  margin-bottom: 5px;
}
.page-home .locate__body span {
  display: block;
  font-size: 14px;
  line-height: 1.75;
  color: var(--mid);
}
.page-home .locate__aside {
  display: grid;
  gap: 16px;
  align-content: start;
}
.page-home .locate__img {
  display: block;
  width: 100%;
  height: auto;
  border: var(--line);
  box-shadow: var(--shadow-hard);
}
.page-home .locate__note-title {
  margin: 0 0 6px;
  font-family: var(--font-head);
  font-weight: 700;
  font-size: 16px;
  color: var(--indigo);
}
.page-home .locate__aside .side-note p {
  margin: 0;
  font-size: 14px;
  line-height: 1.8;
  color: var(--mid);
}

/* ===== 章节 03 读法 ===== */
.page-home .read {
  display: grid;
  gap: clamp(22px, 3.5vw, 40px);
  margin-top: clamp(18px, 3vw, 28px);
  align-items: start;
}
.page-home .read__text p {
  margin: 0;
  font-size: 16px;
  line-height: 1.8;
  color: var(--mid);
}
.page-home .read__views {
  margin: 16px 0 18px;
  flex-wrap: wrap;
}
.page-home .read__list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 10px;
}
.page-home .read__list li {
  position: relative;
  padding-left: 20px;
  font-size: 15px;
  line-height: 1.8;
  color: var(--mid);
}
.page-home .read__list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: .72em;
  width: 9px;
  height: 2px;
  background: var(--cinnabar);
}
.page-home .read-demo {
  background: var(--paper);
  border: var(--line);
  box-shadow: var(--shadow-hard);
  padding: clamp(16px, 3vw, 26px);
}
.page-home .read-demo__title {
  margin: 0 0 6px;
  font-size: 11px;
  letter-spacing: .18em;
  color: var(--mist);
}
.page-home .read-demo__row {
  display: grid;
  gap: 6px;
  padding: 14px 0;
  border-bottom: 1px dashed rgba(15, 26, 46, .22);
}
.page-home .read-demo__row:last-child {
  border-bottom: none;
  padding-bottom: 0;
}
.page-home .read-demo__row p {
  margin: 0;
  font-size: 15px;
  line-height: 1.8;
  color: var(--mid);
}
.page-home .read-demo__cn {
  border-left: 3px solid var(--cinnabar);
  padding-left: 12px;
}
.page-home .read-demo__en {
  border-left: 3px solid var(--gilded);
  padding-left: 12px;
}
.page-home .read-demo__row .mono {
  color: var(--mist);
  font-size: 12px;
  margin-right: 6px;
}

/* ===== 章节 04 对照表 ===== */
.page-home .compare-wrap {
  margin-top: clamp(18px, 3vw, 28px);
  overflow-x: auto;
  -webkit-overflow-scrolling: touch;
  border: var(--line);
  box-shadow: var(--shadow-soft);
  background: var(--paper);
}
.page-home .compare {
  width: 100%;
  min-width: 560px;
  border-collapse: collapse;
  font-size: 14.5px;
}
.page-home .compare__caption {
  caption-side: top;
  text-align: left;
  padding: 12px 14px;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: .16em;
  color: var(--mist);
  background: var(--sand);
  border-bottom: var(--line);
}
.page-home .compare th,
.page-home .compare td {
  text-align: left;
  padding: 12px 14px;
  line-height: 1.75;
  vertical-align: top;
  border-bottom: 1px solid rgba(15, 26, 46, .14);
}
.page-home .compare thead th {
  background: var(--indigo);
  color: var(--sand);
  font-family: var(--font-head);
  font-weight: 700;
  font-size: 15px;
  border-bottom: var(--line);
}
.page-home .compare tbody tr:last-child td {
  border-bottom: none;
}
.page-home .compare td:first-child {
  font-weight: 600;
  color: var(--indigo);
  background: rgba(244, 241, 234, .6);
}
.page-home .compare tbody tr:hover td {
  background: rgba(242, 193, 78, .16);
}

/* ===== 跨栏图版 ===== */
.page-home .wide-figure {
  margin: clamp(26px, 4.5vw, 52px) 0 0;
  border: var(--line);
  box-shadow: var(--shadow-hard);
  background: var(--indigo);
}
.page-home .wide-figure img {
  display: block;
  width: 100%;
  height: auto;
  filter: saturate(.58) contrast(1.12);
}
.page-home .wide-figure figcaption {
  padding: 10px 14px;
  background: var(--paper);
  border-top: var(--line);
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: .04em;
  color: var(--mist);
}

/* ===== 章节 05 维护与节奏 ===== */
.page-home .upkeep {
  display: grid;
  gap: clamp(22px, 3.5vw, 40px);
  margin-top: clamp(18px, 3vw, 28px);
  align-items: start;
}
.page-home .timeline {
  list-style: none;
  margin: 0;
  padding: 0;
}
.page-home .timeline li {
  display: grid;
  grid-template-columns: 4.6em 1fr;
  gap: 14px;
  padding: 14px 0;
  border-top: 1px solid rgba(15, 26, 46, .16);
}
.page-home .timeline li:first-child {
  border-top: var(--line);
}
.page-home .timeline__year {
  font-family: var(--font-mono);
  font-size: 17px;
  font-weight: 700;
  color: var(--cinnabar);
  line-height: 1.5;
}
.page-home .timeline__text {
  font-size: 15px;
  line-height: 1.8;
  color: var(--mid);
}
.page-home .upkeep__side {
  display: grid;
  gap: 16px;
  align-content: start;
}
.page-home .upkeep__card {
  padding: 18px 18px 20px;
}
.page-home .upkeep__card--plain {
  box-shadow: none;
  background: var(--sand);
}
.page-home .upkeep__card-num {
  margin: 0 0 6px;
  font-size: 11px;
  letter-spacing: .18em;
  color: var(--mist);
}
.page-home .upkeep__card-title {
  margin: 0 0 10px;
  font-family: var(--font-head);
  font-weight: 700;
  font-size: 17px;
  color: var(--indigo);
}
.page-home .upkeep__rhythm {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 8px;
}
.page-home .upkeep__rhythm li {
  font-size: 14px;
  line-height: 1.75;
  color: var(--mid);
  padding-left: 12px;
  border-left: 2px solid var(--gilded);
}
.page-home .upkeep__rhythm .mono {
  display: inline-block;
  min-width: 3em;
  color: var(--uber, var(--umber));
  font-size: 12px;
}
.page-home .upkeep__card--plain p {
  margin: 0 0 10px;
  font-size: 14px;
  line-height: 1.8;
  color: var(--mid);
}
.page-home .upkeep__card--plain .status {
  margin: 0;
}

/* ===== 章节 06 帮助路径 ===== */
.page-home .help-path {
  display: grid;
  gap: clamp(22px, 3.5vw, 40px);
  margin-top: clamp(18px, 3vw, 28px);
  align-items: center;
}
.page-home .steps {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 12px;
}
.page-home .steps__item {
  display: grid;
  grid-template-columns: auto 1fr;
  gap: 14px;
  align-items: start;
  padding: 15px 16px;
  background: var(--paper);
  border: var(--line);
  box-shadow: var(--shadow-soft);
}
.page-home .steps__item--key {
  border-width: 3px;
  background: #FFFCF1;
  box-shadow: var(--shadow-hard);
}
.page-home .steps__node {
  display: grid;
  place-items: center;
  width: 32px;
  height: 32px;
  border: 2px solid var(--ink);
  background: var(--gilded);
  color: var(--indigo);
  font-family: var(--font-mono);
  font-weight: 700;
  font-size: 14px;
}
.page-home .steps__text strong {
  display: block;
  font-family: var(--font-head);
  font-size: 16px;
  font-weight: 700;
  color: var(--indigo);
  margin-bottom: 4px;
  line-height: 1.5;
}
.page-home .steps__text > span {
  display: block;
  font-size: 14px;
  line-height: 1.75;
  color: var(--mid);
}
.page-home .steps__flag {
  display: inline-block;
  margin-top: 8px;
  padding: 3px 9px;
  background: var(--cinnabar);
  color: var(--paper);
  font-family: var(--font-mono);
  font-size: 12px;
  font-weight: 700;
  letter-spacing: .08em;
}
.page-home .help-path__figure {
  margin: 0;
  border: var(--line);
  box-shadow: var(--shadow-hard);
  background: var(--paper);
}
.page-home .help-path__figure .figure__media {
  display: block;
  width: 100%;
  height: auto;
  object-fit: cover;
  filter: saturate(.7) contrast(1.06);
}
.page-home .help-path__figure .figure__cap {
  padding: 10px 14px;
  border-top: var(--line);
  font-size: 12.5px;
  line-height: 1.7;
  color: var(--mist);
}

/* ===== 行动区 ===== */
.page-home .next-section {
  background:
    linear-gradient(180deg, rgba(27, 42, 73, .04), rgba(27, 42, 73, 0) 70%),
    var(--sand);
}
.page-home .next {
  display: grid;
  gap: 14px;
  margin-top: clamp(18px, 3vw, 28px);
}
.page-home .next__card {
  display: flex;
  flex-direction: column;
  padding: 20px 20px 22px;
  background: var(--paper);
  border: var(--line);
  box-shadow: var(--shadow-soft);
  transition: transform var(--dur) var(--ease), box-shadow var(--dur) var(--ease);
}
.page-home .next__card:hover {
  transform: translate(-2px, -2px);
  box-shadow: var(--shadow-hard);
}
.page-home .next__card--main {
  background: var(--indigo);
  color: var(--sand);
  border-color: var(--ink);
  box-shadow: var(--shadow-hard);
}
.page-home .next__kicker {
  margin: 0 0 8px;
  font-size: 11px;
  letter-spacing: .18em;
  color: var(--cinnabar);
}
.page-home .next__card--main .next__kicker {
  color: var(--gilded);
}
.page-home .next__title {
  margin: 0 0 10px;
  font-family: var(--font-head);
  font-weight: 700;
  font-size: 19px;
  line-height: 1.4;
  color: var(--indigo);
}
.page-home .next__card--main .next__title {
  color: var(--paper);
  font-size: 22px;
}
.page-home .next__desc {
  margin: 0 0 18px;
  font-size: 14.5px;
  line-height: 1.8;
  color: var(--mid);
  flex: 1;
}
.page-home .next__card--main .next__desc {
  color: rgba(244, 241, 234, .88);
}
.page-home .next__btn {
  align-self: flex-start;
}
.page-home .next__more {
  margin: clamp(16px, 2.6vw, 24px) 0 0;
  font-size: 14.5px;
  line-height: 1.8;
  color: var(--mid);
}
.page-home .next__more a {
  color: var(--umber);
  font-weight: 600;
  text-decoration: underline;
  text-decoration-thickness: 2px;
  text-underline-offset: 3px;
}
.page-home .next__more a:hover {
  color: var(--cinnabar);
}

/* ===== 响应式 ===== */
@media (min-width: 640px) {
  .page-home .hero__toc-list {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
  .page-home .read-demo__row {
    grid-template-columns: minmax(0, 1fr) minmax(0, 1fr);
    gap: 22px;
  }
  .page-home .next {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
  .page-home .next__card--main {
    grid-column: 1 / -1;
  }
}

@media (min-width: 860px) {
  .page-home .hero__toc-list {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }
  .page-home .locate__list {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
  .page-home .upkeep {
    grid-template-columns: minmax(0, 7fr) minmax(0, 4fr);
  }
  .page-home .help-path {
    grid-template-columns: minmax(0, 6fr) minmax(0, 6fr);
  }
  .page-home .next {
    grid-template-columns: minmax(0, 1.3fr) minmax(0, 1fr) minmax(0, 1fr);
    align-items: stretch;
  }
  .page-home .next__card--main {
    grid-column: auto;
  }
}

@media (min-width: 960px) {
  .page-home .split {
    grid-template-columns: minmax(0, 5fr) minmax(0, 7fr);
  }
  .page-home .split__visual {
    aspect-ratio: 1 / 1.02;
  }
  .page-home .read {
    grid-template-columns: minmax(0, 5fr) minmax(0, 7fr);
  }
  .page-home .locate {
    grid-template-columns: minmax(0, 7fr) minmax(0, 4fr);
  }
  .page-home .locate__list {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

@media (min-width: 1520px) {
  .page-home .toc {
    display: block;
    position: fixed;
    top: 50%;
    right: 8px;
    width: 104px;
    transform: translateY(-50%);
    padding: 10px 8px;
    background: rgba(244, 241, 234, .92);
    border: 1px solid rgba(15, 26, 46, .18);
    z-index: 5;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-home .hero__toc-list a,
  .page-home .split__actions .btn,
  .page-home .locate__item a,
  .page-home .next__card,
  .page-home .toc__list a {
    transition: none;
  }
  .page-home .hero__toc-list a:hover,
  .page-home .split__actions .btn:hover,
  .page-home .locate__item a:hover,
  .page-home .next__card:hover {
    transform: none;
  }
}

.page-home {
  --uber: currentColor;
}