.page-home {
  --home-cut: 18px;
  --home-edge: rgba(255, 107, 26, 0.55);
  --home-grid-line: rgba(140, 147, 159, 0.10);
  --home-ink-soft: #4A4F58;
  background: var(--carbon-black);
  color: var(--paper-white);
}

.page-home a:focus-visible,
.page-home summary:focus-visible,
.page-home [tabindex]:focus-visible {
  outline: 2px solid var(--signal-orange);
  outline-offset: 2px;
}

/* ---------- 上下文条 ---------- */
.page-home .home-context {
  background: var(--carbon-black);
  border-bottom: 1px solid var(--hairline);
}

.page-home .home-context__inner {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 10px 16px;
  padding: 14px 0;
}

.page-home .home-context__line {
  margin: 0;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.06em;
  color: var(--cool-gray-400);
}

.page-home .home-context__link {
  margin-left: auto;
  font-size: 13px;
  color: var(--signal-orange);
  text-decoration: none;
  border-bottom: 1px solid var(--home-edge);
  padding-bottom: 1px;
}

.page-home .home-context__link:hover {
  color: var(--paper-white);
  border-bottom-color: var(--paper-white);
}

/* ---------- 首屏拼贴 ---------- */
.page-home .home-hero {
  position: relative;
  overflow: hidden;
  padding: clamp(32px, 5vw, 64px) 0 clamp(40px, 6vw, 76px);
  background-color: var(--carbon-black);
  background-image:
    linear-gradient(to right, var(--home-grid-line) 1px, transparent 1px),
    linear-gradient(to bottom, var(--home-grid-line) 1px, transparent 1px);
  background-size: 96px 96px;
}

.page-home .home-hero__grid {
  display: grid;
  gap: clamp(28px, 4vw, 44px);
}

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

.page-home .home-hero__title {
  margin: 16px 0 0;
  font-size: clamp(30px, 6.4vw, 54px);
  line-height: 1.06;
  font-weight: 900;
  letter-spacing: -0.02em;
  color: var(--paper-white);
}

.page-home .home-hero__lede {
  margin: 18px 0 0;
  max-width: 33em;
  font-size: clamp(15.5px, 1.6vw, 17px);
  line-height: 1.8;
  color: var(--cool-gray-200);
}

.page-home .home-hero__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 26px;
}

/* ---------- 数据仪表盘 ---------- */
.page-home .home-board {
  position: relative;
  display: grid;
  gap: 14px;
  padding: 14px;
  background: linear-gradient(165deg, var(--pitch-900) 0%, #101216 100%);
  border: 1px solid var(--hairline-strong);
  clip-path: polygon(0 0, calc(100% - 22px) 0, 100% 22px, 100% 100%, 22px 100%, 0 calc(100% - 22px));
  box-shadow: 0 26px 50px -26px rgba(0, 0, 0, 0.92);
}

.page-home .home-board__media {
  position: relative;
  aspect-ratio: 16 / 10;
  overflow: hidden;
  background: #0d0f12;
}

.page-home .home-board__media::after {
  content: "";
  position: absolute;
  inset: 0;
  background:
    linear-gradient(to top, rgba(20, 22, 26, 0.92) 4%, rgba(20, 22, 26, 0.05) 60%),
    linear-gradient(to right, rgba(255, 107, 26, 0.22), transparent 55%);
}

.page-home .home-board__img {
  display: block;
  width: 100%;
  height: 100%;
  object-fit: cover;
  filter: grayscale(0.35) brightness(0.52) contrast(1.15);
}

.page-home .home-board__scan {
  position: absolute;
  left: 0;
  right: 0;
  bottom: 34%;
  height: 2px;
  background: linear-gradient(to right, transparent, var(--signal-orange) 30%, rgba(255, 107, 26, 0.15));
  z-index: 1;
}

.page-home .home-board__stats {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 8px;
}

.page-home .home-board__stats .stat {
  display: grid;
  gap: 3px;
  padding: 9px 8px 10px;
  background: rgba(255, 255, 255, 0.03);
  border-left: 2px solid var(--signal-orange);
}

.page-home .home-board__stats .stat__value {
  font-family: var(--font-mono);
  font-weight: 600;
  font-size: clamp(19px, 4.4vw, 26px);
  line-height: 1.1;
  color: var(--signal-orange);
}

.page-home .home-board__stats .stat__value small {
  font-size: 0.52em;
  margin-left: 2px;
  color: var(--ember-deep);
}

.page-home .home-board__stats .stat__label {
  font-size: 10.5px;
  line-height: 1.45;
  letter-spacing: 0.03em;
  color: var(--cool-gray-400);
}

.page-home .home-bars {
  display: grid;
  gap: 8px;
  padding: 2px 2px 4px;
}

.page-home .home-bar {
  display: grid;
  grid-template-columns: 52px minmax(0, 1fr) 46px;
  align-items: center;
  gap: 8px;
  font-family: var(--font-mono);
  font-size: 10.5px;
  letter-spacing: 0.04em;
  color: var(--cool-gray-400);
}

.page-home .home-bar__track {
  position: relative;
  height: 8px;
  background: rgba(140, 147, 159, 0.16);
  overflow: hidden;
}

.page-home .home-bar__fill {
  display: block;
  height: 100%;
}

.page-home .home-bar__fill--old {
  width: 100%;
  background: var(--cool-gray-400);
}

.page-home .home-bar__fill--new {
  width: 60%;
  background: var(--signal-orange);
}

.page-home .home-bar__val {
  text-align: right;
  color: var(--cool-gray-200);
}

/* ---------- 章节通用 ---------- */
.page-home .home-section {
  padding: clamp(44px, 6.5vw, 84px) 0;
  background: var(--carbon-black);
}

.page-home .home-section--pitch {
  background: var(--pitch-900);
}

.page-home .home-section--paper {
  background: var(--paper-white);
  color: var(--ink-800);
}

.page-home .chapter__head {
  display: grid;
  gap: 6px;
  margin-bottom: clamp(22px, 3.5vw, 36px);
}

.page-home .chapter__num {
  font-family: var(--font-mono);
  font-weight: 600;
  font-size: clamp(50px, 11vw, 104px);
  line-height: 0.78;
  letter-spacing: -0.05em;
  color: transparent;
  -webkit-text-stroke: 2px var(--signal-orange);
  margin-left: -2px;
}

.page-home .chapter__title {
  margin: 0;
  font-size: clamp(23px, 4.6vw, 36px);
  line-height: 1.14;
  font-weight: 900;
  letter-spacing: -0.02em;
}

.page-home .chapter__lede {
  margin: 0;
  max-width: 640px;
  font-size: clamp(15px, 1.6vw, 16.5px);
  line-height: 1.8;
  color: var(--cool-gray-200);
}

.page-home .home-section--paper .chapter__lede {
  color: var(--home-ink-soft);
}

/* ---------- 三件事 ---------- */
.page-home .home-steps {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 1px;
  background: var(--hairline);
  border-top: 1px solid var(--hairline);
  border-bottom: 1px solid var(--hairline);
}

.page-home .home-step {
  display: grid;
  gap: 9px;
  padding: clamp(18px, 3vw, 30px) clamp(16px, 2.5vw, 28px);
  background: var(--carbon-black);
  transition: background var(--dur) var(--ease);
}

.page-home .home-step:hover {
  background: var(--pitch-800);
}

.page-home .home-step__mark {
  font-family: var(--font-mono);
  font-size: 22px;
  font-weight: 600;
  line-height: 1;
  color: var(--signal-orange);
}

.page-home .home-step__title {
  margin: 0;
  font-size: clamp(18px, 2.4vw, 21px);
  line-height: 1.35;
  font-weight: 900;
  letter-spacing: -0.01em;
}

.page-home .home-step__text {
  margin: 0;
  max-width: 620px;
  font-size: 15.5px;
  line-height: 1.8;
  color: var(--cool-gray-400);
}

/* ---------- 整宽带图 ---------- */
.page-home .home-band {
  position: relative;
  margin: 0;
  overflow: hidden;
  background: #0d0f12;
  border-top: 2px solid var(--signal-orange);
  border-bottom: 1px solid var(--hairline);
}

.page-home .home-band__img {
  display: block;
  width: 100%;
  height: clamp(170px, 30vw, 320px);
  object-fit: cover;
  filter: brightness(0.62) saturate(0.85) contrast(1.05);
}

.page-home .home-band__caption {
  position: absolute;
  left: 0;
  right: 0;
  bottom: 0;
  margin: 0;
  padding: clamp(16px, 3vw, 26px) clamp(16px, 5vw, 56px);
  font-size: 12.5px;
  letter-spacing: 0.04em;
  color: var(--cool-gray-200);
  background: linear-gradient(to top, rgba(20, 22, 26, 0.94), rgba(20, 22, 26, 0));
}

/* ---------- 平板复盘 ---------- */
.page-home .home-tablet {
  display: grid;
  gap: clamp(24px, 4vw, 44px);
}

.page-home .home-capsule {
  display: inline-flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 10px;
  margin: 2px 0 14px;
  padding: 10px 18px;
  border: 2px solid var(--signal-orange);
  border-radius: 999px;
  background: rgba(255, 107, 26, 0.10);
  transition: transform var(--dur) var(--ease), background var(--dur) var(--ease), box-shadow var(--dur) var(--ease);
}

.page-home .home-capsule:hover,
.page-home .home-capsule:focus-within {
  transform: translateY(-2px);
  background: rgba(255, 107, 26, 0.18);
  box-shadow: 0 10px 24px -14px var(--signal-orange);
}

.page-home .home-capsule__dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--signal-orange);
  box-shadow: 0 0 0 4px rgba(255, 107, 26, 0.18);
}

.page-home .home-capsule__name {
  font-size: 16px;
  font-weight: 900;
  letter-spacing: -0.01em;
  color: var(--paper-white);
}

.page-home .home-capsule__tip {
  font-family: var(--font-mono);
  font-size: 10.5px;
  letter-spacing: 0.06em;
  color: var(--cool-gray-400);
  transition: color var(--dur) var(--ease);
}

.page-home .home-capsule:hover .home-capsule__tip,
.page-home .home-capsule:focus-within .home-capsule__tip {
  color: var(--signal-orange);
}

.page-home .home-facts {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 11px;
}

.page-home .home-facts li {
  position: relative;
  padding-left: 20px;
  font-size: 15.5px;
  line-height: 1.8;
  color: var(--cool-gray-200);
}

.page-home .home-facts li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.75em;
  width: 10px;
  height: 2px;
  background: var(--signal-orange);
}

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

.page-home .home-tablet__figure img {
  display: block;
  width: 100%;
  height: auto;
  border: 1px solid var(--hairline);
  clip-path: polygon(0 0, calc(100% - 20px) 0, 100% 20px, 100% 100%, 0 100%);
  filter: brightness(0.92) contrast(1.05);
}

.page-home .home-tablet__figure figcaption {
  margin-top: 10px;
  padding-left: 10px;
  border-left: 2px solid var(--lake-teal);
  font-size: 12.5px;
  letter-spacing: 0.03em;
  color: var(--cool-gray-400);
}

/* ---------- 联赛卡片带 ---------- */
.page-home .home-cards {
  display: grid;
  gap: 16px;
}

.page-home .home-card {
  position: relative;
  padding: 22px 20px 24px;
  background: #FFFFFF;
  border: 1px solid var(--cool-gray-200);
  border-top: 3px solid var(--signal-orange);
  clip-path: polygon(0 0, calc(100% - var(--home-cut)) 0, 100% var(--home-cut), 100% 100%, 0 100%);
  box-shadow: 0 16px 30px -24px rgba(20, 22, 26, 0.55);
  transition: transform var(--dur) var(--ease), box-shadow var(--dur) var(--ease);
}

.page-home .home-card--teal {
  border-top-color: var(--lake-teal);
}

.page-home .home-card--purple {
  border-top-color: var(--dusk-purple);
}

.page-home .home-card:hover {
  transform: translateY(-3px);
  box-shadow: 0 24px 36px -24px rgba(20, 22, 26, 0.6);
}

.page-home .home-card__tag {
  margin: 0 0 10px;
  font-family: var(--font-mono);
  font-size: 10.5px;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--ember-deep);
}

.page-home .home-card--teal .home-card__tag {
  color: #16756F;
}

.page-home .home-card--purple .home-card__tag {
  color: var(--dusk-purple);
}

.page-home .home-card__title {
  margin: 0 0 8px;
  font-size: 19px;
  line-height: 1.35;
  font-weight: 900;
  letter-spacing: -0.01em;
  color: var(--ink-800);
}

.page-home .home-card__text {
  margin: 0;
  font-size: 14.5px;
  line-height: 1.8;
  color: var(--home-ink-soft);
}

/* ---------- 折叠 ---------- */
.page-home .home-folds {
  margin-top: clamp(22px, 3.5vw, 34px);
  display: grid;
  gap: 10px;
}

.page-home .home-fold {
  background: rgba(255, 255, 255, 0.72);
  border: 1px solid var(--cool-gray-200);
}

.page-home .home-fold__summary {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 12px;
  padding: 14px 16px;
  font-size: 15px;
  font-weight: 700;
  color: var(--ink-800);
  cursor: pointer;
  list-style: none;
}

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

.page-home .home-fold__summary::after {
  content: "+";
  font-family: var(--font-mono);
  font-size: 16px;
  color: var(--ember-deep);
}

.page-home .home-fold[open] .home-fold__summary::after {
  content: "–";
}

.page-home .home-fold__body {
  padding: 0 16px 16px;
  font-size: 14.5px;
  line-height: 1.8;
  color: var(--home-ink-soft);
}

.page-home .home-fold__body p {
  margin: 0 0 8px;
}

.page-home .home-fold__body p:last-child {
  margin-bottom: 0;
}

/* ---------- 版本对比 ---------- */
.page-home .home-compare {
  display: grid;
  gap: clamp(18px, 3vw, 28px);
}

.page-home .home-summary {
  list-style: none;
  margin: 0 0 20px;
  padding: 0;
  display: grid;
  gap: 10px;
}

.page-home .home-summary li {
  padding: 12px 14px;
  border-left: 2px solid var(--signal-orange);
  background: rgba(255, 255, 255, 0.03);
  font-size: 15.5px;
  line-height: 1.75;
  color: var(--cool-gray-200);
}

.page-home .home-summary strong {
  display: inline-block;
  margin-right: 8px;
  font-family: var(--font-mono);
  font-size: 10.5px;
  font-weight: 600;
  letter-spacing: 0.14em;
  color: var(--signal-orange);
}

.page-home .table-wrap {
  overflow-x: auto;
  border: 1px solid var(--hairline-strong);
}

.page-home .home-table {
  width: 100%;
  min-width: 520px;
  border-collapse: collapse;
  font-size: 14px;
}

.page-home .home-table th,
.page-home .home-table td {
  padding: 12px 14px;
  text-align: left;
  border-bottom: 1px solid var(--hairline);
}

.page-home .home-table thead th {
  background: var(--pitch-800);
  font-family: var(--font-mono);
  font-size: 10.5px;
  font-weight: 600;
  letter-spacing: 0.12em;
  color: var(--cool-gray-200);
}

.page-home .home-table tbody th {
  font-size: 14px;
  font-weight: 700;
  color: var(--paper-white);
  white-space: nowrap;
}

.page-home .home-table td {
  font-family: var(--font-mono);
  font-size: 12.5px;
  letter-spacing: 0.01em;
  color: var(--cool-gray-200);
}

.page-home .home-table td:last-child {
  background: rgba(255, 107, 26, 0.08);
  color: var(--paper-white);
  font-weight: 600;
}

.page-home .home-table tbody tr:last-child th,
.page-home .home-table tbody tr:last-child td {
  border-bottom: 0;
}

.page-home .home-compare__note {
  margin: 20px 0 0;
}

.page-home .home-quote {
  padding: clamp(20px, 3vw, 28px);
  background: var(--dusk-purple);
  color: var(--paper-white);
  clip-path: polygon(0 0, calc(100% - 20px) 0, 100% 20px, 100% 100%, 0 100%);
}

.page-home .home-quote__tag {
  margin: 0 0 10px;
  font-family: var(--font-mono);
  font-size: 10.5px;
  letter-spacing: 0.16em;
  color: rgba(247, 245, 241, 0.72);
}

.page-home .home-quote__text {
  margin: 0 0 16px;
  font-size: 15.5px;
  line-height: 1.85;
  color: var(--paper-white);
}

.page-home .home-quote__link {
  display: inline-block;
  padding-bottom: 2px;
  font-size: 14.5px;
  font-weight: 700;
  color: var(--paper-white);
  text-decoration: none;
  border-bottom: 2px solid var(--signal-orange);
}

.page-home .home-quote__link:hover {
  color: var(--signal-orange);
}

/* ---------- 收尾引导 ---------- */
.page-home .home-next {
  display: grid;
  gap: clamp(24px, 4vw, 40px);
}

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

.page-home .home-next__list a {
  display: flex;
  flex-direction: column;
  gap: 5px;
  padding: 16px 18px;
  background: var(--carbon-black);
  border: 1px solid var(--hairline-strong);
  border-left: 3px solid var(--signal-orange);
  font-size: 17px;
  font-weight: 800;
  letter-spacing: -0.01em;
  color: var(--paper-white);
  text-decoration: none;
  transition: transform var(--dur) var(--ease), background var(--dur) var(--ease);
}

.page-home .home-next__list a:hover {
  transform: translateX(4px);
  background: var(--pitch-800);
}

.page-home .home-next__list a span {
  font-size: 13.5px;
  font-weight: 400;
  line-height: 1.6;
  letter-spacing: 0;
  color: var(--cool-gray-400);
}

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

.page-home .home-next__figure img {
  display: block;
  width: 100%;
  height: auto;
  aspect-ratio: 1 / 1;
  object-fit: cover;
  filter: brightness(0.72) contrast(1.05);
  clip-path: polygon(0 0, 100% 0, 100% calc(100% - 22px), calc(100% - 22px) 100%, 0 100%);
}

/* ---------- 断点 ---------- */
@media (min-width: 760px) {
  .page-home .home-cards {
    grid-template-columns: repeat(3, minmax(0, 1fr));
    align-items: start;
  }
}

@media (min-width: 880px) {
  .page-home .home-step {
    grid-template-columns: 64px minmax(0, 1fr) minmax(0, 1.35fr);
    align-items: start;
    gap: clamp(16px, 3vw, 40px);
  }

  .page-home .home-step__mark {
    font-size: 26px;
  }
}

@media (min-width: 940px) {
  .page-home .home-hero__grid {
    grid-template-columns: minmax(0, 7fr) minmax(0, 5fr);
    align-items: start;
  }
}

@media (min-width: 900px) {
  .page-home .home-tablet {
    grid-template-columns: minmax(0, 1fr) minmax(0, 0.85fr);
    align-items: start;
  }

  .page-home .home-next {
    grid-template-columns: minmax(0, 1.15fr) minmax(0, 0.85fr);
    align-items: center;
  }
}

@media (min-width: 960px) {
  .page-home .home-compare {
    grid-template-columns: minmax(0, 1.5fr) minmax(0, 1fr);
    align-items: start;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-home .home-step,
  .page-home .home-card,
  .page-home .home-capsule,
  .page-home .home-next__list a {
    transition: none;
  }

  .page-home .home-step:hover,
  .page-home .home-card:hover,
  .page-home .home-capsule:hover,
  .page-home .home-capsule:focus-within,
  .page-home .home-next__list a:hover {
    transform: none;
  }
}