.page-home {
  --home-gap: clamp(64px, 8vw, 130px);
  --home-line: var(--line);
  --home-line-strong: var(--line-strong);
  background: var(--deep);
  color: var(--paper);
  overflow-x: hidden;
}

/* ---------- 侧边浮动索引 ---------- */
.page-home .home-index {
  display: none;
}

@media (min-width: 1280px) {
  .page-home .home-index {
    display: block;
    position: fixed;
    left: max(18px, calc((100vw - var(--maxw)) / 2 - 104px));
    top: 50%;
    transform: translateY(-50%);
    width: 118px;
    z-index: 6;
  }
}

.page-home .home-index__title {
  font-size: 10px;
  letter-spacing: 0.26em;
  color: var(--steel);
  margin: 0 0 14px;
  padding-left: 10px;
  border-left: 1px solid var(--line-strong);
}

.page-home .home-index__list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.page-home .home-index__link {
  display: block;
  padding-left: 10px;
  border-left: 1px solid var(--line);
  font-size: 11.5px;
  line-height: 1.4;
  color: var(--steel);
  text-decoration: none;
  transition: color var(--dur) ease, border-color var(--dur) ease, padding-left var(--dur) ease;
}

.page-home .home-index__link:hover,
.page-home .home-index__link:focus-visible {
  color: var(--cyan);
  border-left-color: var(--cyan);
  padding-left: 14px;
  outline: none;
}

/* ---------- 首屏 ---------- */
.page-home .home-hero {
  position: relative;
  padding: clamp(96px, 13vw, 190px) 0 clamp(64px, 8vw, 110px);
  background:
    radial-gradient(120% 92% at 86% 6%, rgba(47, 224, 208, 0.16), transparent 60%),
    radial-gradient(90% 70% at 6% 96%, rgba(123, 107, 255, 0.14), transparent 62%),
    linear-gradient(180deg, var(--deep) 0%, var(--navy) 100%);
}

.page-home .home-hero__inner {
  max-width: var(--maxw);
  margin: 0 auto;
  padding: 0 var(--gutter);
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 56px;
}

.page-home .home-hero__marker {
  display: flex;
  align-items: center;
  gap: 12px;
  margin: 0 0 26px;
  font-size: var(--fs-mono);
  letter-spacing: 0.22em;
  color: var(--cyan);
}

.page-home .home-hero__marker::before {
  content: "";
  display: block;
  width: 30px;
  height: 1px;
  background: var(--cyan);
}

.page-home .home-hero__title {
  margin: 0 0 26px;
  font-size: var(--fs-h1);
  font-weight: 900;
  line-height: 1.14;
  letter-spacing: -0.02em;
  color: var(--paper);
  max-width: 17em;
}

.page-home .home-hero__lede {
  margin: 0 0 34px;
  max-width: 32em;
  font-size: var(--fs-lede);
  line-height: 1.72;
  color: var(--steel);
}

.page-home .home-hero__actions {
  gap: 14px;
  margin-bottom: 52px;
}

.page-home .home-hero__figure {
  margin: 0;
}

/* 章节预览列表 */
.page-home .home-hero__preview-title {
  margin: 0 0 10px;
  font-size: 10px;
  letter-spacing: 0.28em;
  color: var(--steel);
}

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

.page-home .path-list__item {
  border-bottom: 1px solid var(--home-line);
}

.page-home .path-list__link {
  position: relative;
  display: grid;
  grid-template-columns: auto minmax(0, 1fr);
  align-items: baseline;
  gap: 4px 14px;
  padding: 18px 10px 18px 12px;
  text-decoration: none;
  color: var(--paper);
  transition: color var(--dur) ease, background-color var(--dur) ease;
}

.page-home .path-list__link::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0;
  bottom: 0;
  width: 2px;
  background: var(--cyan);
  transform: scaleY(0);
  transform-origin: top;
  transition: transform var(--dur) ease;
}

.page-home .path-list__link:hover,
.page-home .path-list__link:focus-visible {
  color: var(--cyan);
  background-color: rgba(47, 224, 208, 0.06);
  outline: none;
}

.page-home .path-list__link:hover::before,
.page-home .path-list__link:focus-visible::before {
  transform: scaleY(1);
}

.page-home .path-list__no {
  grid-column: 1;
  grid-row: 1;
  font-size: 11px;
  letter-spacing: 0.1em;
  color: var(--violet);
}

.page-home .path-list__name {
  grid-column: 2;
  grid-row: 1;
  font-size: 15px;
  font-weight: 500;
  line-height: 1.4;
}

.page-home .path-list__time {
  grid-column: 2;
  grid-row: 2;
  font-size: 10.5px;
  letter-spacing: 0.08em;
  color: var(--steel);
  opacity: 0.5;
  transition: opacity var(--dur) ease, color var(--dur) ease;
}

.page-home .path-list__link:hover .path-list__time,
.page-home .path-list__link:focus-visible .path-list__time {
  opacity: 1;
  color: var(--cyan);
}

@media (min-width: 900px) {
  .page-home .home-hero__inner {
    grid-template-columns: repeat(12, minmax(0, 1fr));
    gap: 0 26px;
    align-items: start;
  }
  .page-home .home-hero__lead {
    grid-column: 1 / 9;
  }
  .page-home .home-hero__preview {
    grid-column: 9 / 13;
    padding-top: 62px;
  }
}

/* ---------- 通用章节骨架 ---------- */
.page-home .home-sec {
  position: relative;
  padding: var(--home-gap) 0;
}

.page-home .home-sec__inner {
  max-width: var(--maxw);
  margin: 0 auto;
  padding: 0 var(--gutter);
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 30px;
}

.page-home .home-sec__no {
  margin: 0;
  font-size: clamp(24px, 3vw, 36px);
  line-height: 1;
  letter-spacing: 0.06em;
  color: var(--steel);
  opacity: 0.55;
}

.page-home .home-sec__title {
  margin: 0 0 18px;
  font-size: var(--fs-h2);
  font-weight: 900;
  line-height: 1.2;
  letter-spacing: -0.01em;
}

.page-home .home-sec__lede {
  margin: 0 0 44px;
  max-width: 38em;
  font-size: var(--fs-body);
  line-height: var(--lh-body);
}

@media (min-width: 900px) {
  .page-home .home-sec__inner {
    grid-template-columns: repeat(12, minmax(0, 1fr));
    gap: 0 26px;
    align-items: start;
  }
  .page-home .home-sec__no {
    grid-column: 1 / 3;
  }
  .page-home .home-sec__body {
    grid-column: 4 / 12;
  }
  .page-home .home-sec__inner > .home-paths__figure {
    grid-column: 12 / 13;
    grid-row: 1 / 3;
    align-self: stretch;
  }
}

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

.page-home .figure__frame {
  border: 1px solid var(--home-line);
  border-radius: var(--radius);
  background: var(--mid);
  overflow: hidden;
  transition: border-color var(--dur) ease;
}

.page-home .figure:hover .figure__frame {
  border-color: var(--cyan);
}

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

.page-home .figure__caption {
  margin-top: 10px;
  font-family: var(--font-mono);
  font-size: 10.5px;
  letter-spacing: 0.08em;
  color: var(--steel);
}

/* ---------- 01 本期更新概览 ---------- */
.page-home .home-sec--dark {
  background: linear-gradient(180deg, var(--navy) 0%, var(--deep) 100%);
}

.page-home .home-sec--dark .home-sec__title {
  color: var(--paper);
}

.page-home .home-sec--dark .home-sec__lede {
  color: var(--steel);
}

.page-home .home-feed {
  list-style: none;
  margin: 0 0 56px;
  padding: 0;
  border-top: 1px solid var(--home-line);
}

.page-home .home-feed__item {
  display: grid;
  grid-template-columns: auto minmax(0, 1fr);
  gap: 6px 18px;
  padding: 22px 4px;
  border-bottom: 1px solid var(--home-line);
  transition: background-color var(--dur) ease;
}

.page-home .home-feed__item:hover {
  background-color: rgba(47, 224, 208, 0.05);
}

.page-home .home-feed__no {
  grid-column: 1;
  grid-row: 1 / 3;
  font-size: clamp(20px, 2.4vw, 28px);
  line-height: 1;
  color: var(--violet);
  padding-top: 2px;
}

.page-home .home-feed__body {
  grid-column: 2;
  grid-row: 1;
}

.page-home .home-feed__title {
  margin: 0 0 6px;
  font-size: var(--fs-h3);
  font-weight: 700;
  line-height: 1.4;
  color: var(--paper);
}

.page-home .home-feed__text {
  margin: 0;
  font-size: 15px;
  line-height: 1.7;
  color: var(--steel);
  max-width: 40em;
}

.page-home .home-feed__item > .status {
  grid-column: 2;
  grid-row: 2;
  justify-self: start;
  margin-top: 10px;
}

.page-home .home-overview__device {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 28px;
  padding-top: 40px;
  border-top: 1px solid var(--home-line-strong);
}

.page-home .home-overview__device-title {
  margin: 0 0 12px;
  font-size: var(--fs-h3);
  font-weight: 700;
  color: var(--cyan);
}

.page-home .home-overview__device-text {
  margin: 0;
  font-size: var(--fs-body);
  line-height: var(--lh-body);
  color: var(--steel);
  max-width: 34em;
}

@media (min-width: 780px) {
  .page-home .home-overview__device {
    grid-template-columns: minmax(0, 5fr) minmax(0, 6fr);
    gap: 40px;
    align-items: center;
  }
}

/* ---------- 02 从哪个栏目开始看 ---------- */
.page-home .home-sec--navy {
  background: var(--navy);
  border-top: 1px solid var(--home-line);
  border-bottom: 1px solid var(--home-line);
}

.page-home .home-sec--navy .home-sec__title {
  color: var(--paper);
}

.page-home .home-sec--navy .home-sec__lede {
  color: var(--steel);
}

.page-home .home-paths {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  border-top: 1px solid var(--home-line);
}

.page-home .home-path {
  display: grid;
  gap: 10px;
  padding: 26px 6px 26px 14px;
  border-bottom: 1px solid var(--home-line);
  border-left: 2px solid transparent;
  text-decoration: none;
  color: inherit;
  transition: border-left-color var(--dur) ease, background-color var(--dur) ease, transform var(--dur) ease;
}

.page-home .home-path:hover,
.page-home .home-path:focus-visible {
  border-left-color: var(--cyan);
  background-color: rgba(47, 224, 208, 0.05);
  outline: none;
}

.page-home .home-path__tag {
  justify-self: start;
}

.page-home .home-path__title {
  font-size: var(--fs-h3);
  font-weight: 700;
  line-height: 1.4;
  color: var(--paper);
}

.page-home .home-path__desc {
  font-size: 15px;
  line-height: 1.75;
  color: var(--steel);
  max-width: 38em;
}

.page-home .home-path__go {
  font-size: 11px;
  letter-spacing: 0.08em;
  color: var(--steel);
  transition: color var(--dur) ease;
}

.page-home .home-path:hover .home-path__go,
.page-home .home-path:focus-visible .home-path__go {
  color: var(--cyan);
}

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

@media (min-width: 900px) {
  .page-home .home-paths__figure {
    display: block;
  }
  .page-home .home-paths__figure .figure__frame {
    height: 100%;
  }
  .page-home .home-paths__figure .figure__frame img {
    height: 100%;
    object-fit: cover;
  }
}

/* ---------- 03 更新节奏与规模 ---------- */
.page-home .home-sec--light {
  background: var(--paper);
  color: var(--ink);
}

.page-home .home-sec--light .home-sec__no {
  color: var(--mid);
  opacity: 0.5;
}

.page-home .home-sec--light .home-sec__title {
  color: var(--ink);
}

.page-home .home-sec--light .home-sec__lede {
  color: var(--ink-soft);
}

.page-home .home-sec--light .figure__frame {
  border-color: var(--line-ink);
  background: var(--mist);
}

.page-home .home-sec--light .figure__caption {
  color: var(--ink-soft);
}

.page-home .home-rhythm__stats {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 0;
  margin-bottom: 48px;
  border-top: 1px solid var(--line-ink);
}

.page-home .home-stat {
  display: flex;
  align-items: baseline;
  gap: 18px;
  padding: 20px 4px;
  border-bottom: 1px solid var(--line-ink);
}

.page-home .home-stat__num {
  min-width: 4.6em;
  font-size: clamp(26px, 3.4vw, 40px);
  font-weight: 700;
  line-height: 1;
  color: var(--mid);
}

.page-home .home-stat__label {
  font-size: 14.5px;
  line-height: 1.6;
  color: var(--ink-soft);
}

.page-home .home-rhythm__figure {
  margin-bottom: 34px;
}

.page-home .home-rhythm__note {
  margin: 0;
  padding-left: 16px;
  border-left: 2px solid var(--coral);
  font-size: 15px;
  line-height: 1.8;
  color: var(--ink-soft);
  max-width: 40em;
}

@media (min-width: 760px) {
  .page-home .home-rhythm__stats {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    column-gap: 40px;
  }
}

/* ---------- 04 新用户与老用户 ---------- */
.page-home .home-sec--mist {
  background: var(--mist);
  color: var(--ink);
}

.page-home .home-sec--mist .home-sec__no {
  color: var(--mid);
  opacity: 0.5;
}

.page-home .home-sec--mist .home-sec__title {
  color: var(--ink);
}

.page-home .home-sec--mist .home-sec__lede {
  color: var(--ink-soft);
}

.page-home .home-routes {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 0;
}

.page-home .home-route {
  padding: 30px 6px 30px 18px;
  border-top: 1px solid var(--line-ink);
  border-left: 2px solid transparent;
  transition: border-left-color var(--dur) ease, background-color var(--dur) ease;
}

.page-home .home-route:hover {
  border-left-color: var(--coral);
  background-color: rgba(255, 122, 89, 0.06);
}

.page-home .home-route--senior:hover {
  border-left-color: var(--cyan);
  background-color: rgba(47, 224, 208, 0.08);
}

.page-home .home-route__badge {
  display: inline-block;
  margin: 0 0 14px;
  padding: 4px 10px;
  border: 1px solid var(--line-ink);
  border-radius: var(--radius);
  font-size: 10.5px;
  letter-spacing: 0.16em;
  color: var(--mid);
}

.page-home .home-route--new .home-route__badge {
  border-color: rgba(255, 122, 89, 0.5);
  color: #B4472A;
}

.page-home .home-route--senior .home-route__badge {
  border-color: rgba(18, 62, 99, 0.4);
  color: var(--mid);
}

.page-home .home-route__title {
  margin: 0 0 18px;
  font-size: var(--fs-h3);
  font-weight: 700;
  line-height: 1.4;
  color: var(--ink);
}

.page-home .home-route__steps {
  margin: 0 0 22px;
  padding: 0 0 0 20px;
  list-style: decimal;
  color: var(--ink-soft);
}

.page-home .home-route__steps li {
  margin-bottom: 10px;
  font-size: 15px;
  line-height: 1.8;
}

.page-home .home-route__steps li::marker {
  font-family: var(--font-mono);
  font-size: 12px;
  color: var(--mid);
}

.page-home .home-route__link {
  display: inline-block;
  font-size: 14px;
  font-weight: 500;
  color: var(--mid);
  text-decoration: none;
  border-bottom: 1px solid var(--line-ink);
  padding-bottom: 3px;
  transition: color var(--dur) ease, border-color var(--dur) ease;
}

.page-home .home-route__link:hover,
.page-home .home-route__link:focus-visible {
  color: var(--deep);
  border-bottom-color: var(--cyan);
  outline: none;
}

@media (min-width: 860px) {
  .page-home .home-routes {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 0 44px;
  }
}

/* ---------- 05 人工协助 ---------- */
.page-home .home-sec--deep {
  background:
    linear-gradient(180deg, var(--deep) 0%, var(--mid) 240%),
    var(--deep);
  border-top: 1px solid var(--home-line);
}

.page-home .home-sec--deep .home-sec__title {
  color: var(--paper);
}

.page-home .home-sec--deep .home-sec__lede {
  color: var(--steel);
}

.page-home .home-help {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 0;
  border-top: 1px solid var(--home-line);
}

.page-home .home-help__block {
  padding: 26px 4px 26px 16px;
  border-bottom: 1px solid var(--home-line);
  border-left: 1px solid var(--home-line);
  transition: border-left-color var(--dur) ease;
}

.page-home .home-help__block:hover {
  border-left-color: var(--cyan);
}

.page-home .home-help__label {
  margin: 0 0 12px;
  font-size: 10.5px;
  letter-spacing: 0.2em;
  color: var(--steel);
}

.page-home .home-help__value {
  margin: 0 0 18px;
  font-family: var(--font-mono);
  font-size: clamp(15px, 1.8vw, 19px);
  line-height: 1.5;
  color: var(--cyan);
  word-break: break-all;
}

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

.page-home .home-help__copy {
  cursor: pointer;
}

@media (min-width: 880px) {
  .page-home .home-help {
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 0 34px;
  }
  .page-home .home-help__block {
    padding-left: 20px;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-home .path-list__link,
  .page-home .path-list__link::before,
  .page-home .path-list__time,
  .page-home .home-index__link,
  .page-home .home-path,
  .page-home .home-route,
  .page-home .home-route__link,
  .page-home .home-help__block,
  .page-home .figure__frame {
    transition: none;
  }
}
</main>