.page-home {
  --home-cut: clamp(14px, 2.2vw, 28px);
  --home-gap: clamp(18px, 3vw, 34px);
  --home-pad: clamp(38px, 6vw, 78px);
  background: var(--ink);
  color: var(--white);
  overflow-x: clip;
}

.page-home .home-inline-link {
  color: var(--amber-soft);
  text-decoration: underline;
  text-underline-offset: 3px;
}

.page-home .home-list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 12px;
}

.page-home .home-list li {
  position: relative;
  padding-left: 20px;
  font-size: 0.98rem;
  line-height: 1.72;
  color: inherit;
}

.page-home .home-list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.62em;
  width: 9px;
  height: 9px;
  background: var(--amber);
  clip-path: polygon(0 0, 100% 0, 100% 100%);
}

.page-home .home-list--tight {
  gap: 9px;
}

.page-home .home-list--tight li {
  font-size: 0.92rem;
  line-height: 1.62;
}

/* ---------- 首屏 ---------- */
.page-home .home-hero {
  position: relative;
  overflow: hidden;
  border-bottom: 1px solid var(--line);
  background:
    radial-gradient(120% 95% at 84% 6%, rgba(227, 168, 59, 0.22), transparent 58%),
    linear-gradient(162deg, var(--deep) 0%, var(--ink) 60%, #040b08 100%);
}

.page-home .home-hero::before {
  content: "";
  position: absolute;
  inset: 0;
  pointer-events: none;
  background-image: repeating-linear-gradient(115deg, rgba(248, 251, 248, 0.05) 0 1px, transparent 1px 28px);
}

.page-home .home-hero__inner {
  position: relative;
  display: grid;
  gap: clamp(24px, 4vw, 46px);
  padding-block: clamp(30px, 5vw, 62px) clamp(26px, 4vw, 48px);
}

.page-home .home-hero__eyebrow {
  display: flex;
  align-items: center;
  gap: 10px;
  margin: 0 0 18px;
  font-family: var(--font-mono);
  font-size: 0.76rem;
  letter-spacing: 0.14em;
  color: var(--amber-soft);
}

.page-home .home-hero__badge {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-width: 30px;
  height: 24px;
  padding: 0 7px;
  background: var(--amber);
  color: var(--charcoal);
  font-weight: 700;
  clip-path: polygon(0 0, 100% 0, 100% 100%, 8px 100%, 0 calc(100% - 8px));
}

.page-home .home-hero__title {
  margin: 0;
  font-family: var(--font-head);
  font-weight: 900;
  font-size: clamp(1.9rem, 5.4vw, 3.5rem);
  line-height: 1.16;
  letter-spacing: -0.008em;
  color: var(--white);
  max-width: 15em;
  text-wrap: balance;
}

.page-home .home-hero__lede {
  margin: 18px 0 0;
  max-width: 36em;
  font-size: clamp(0.98rem, 1.6vw, 1.06rem);
  line-height: 1.8;
  color: rgba(248, 251, 248, 0.86);
}

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

.page-home .home-hero__facts {
  display: flex;
  flex-wrap: wrap;
  gap: 10px 22px;
  margin: 26px 0 0;
  padding: 0;
  list-style: none;
  font-size: 0.8rem;
  letter-spacing: 0.06em;
  color: var(--moss);
}

.page-home .home-hero__facts li {
  padding-left: 12px;
  border-left: 1px solid var(--line-strong);
}

.page-home .home-hero__facts strong {
  color: var(--amber);
  font-size: 1.02rem;
  margin-right: 4px;
}

.page-home .home-hero__stage {
  position: relative;
}

.page-home .home-hero__media {
  background: var(--charcoal);
  border: 1px solid var(--line);
}

.page-home .home-hero__media img {
  display: block;
  width: 100%;
  height: 100%;
  object-fit: cover;
  filter: saturate(1.05) contrast(1.04);
}

.page-home .home-hero__float {
  position: relative;
  display: block;
  margin-top: -18px;
  margin-left: auto;
  width: min(300px, 96%);
  padding: 14px 16px;
  background: var(--amber);
  color: var(--charcoal);
  text-decoration: none;
  clip-path: polygon(0 0, 100% 0, 100% calc(100% - 14px), calc(100% - 14px) 100%, 0 100%);
  box-shadow: 0 12px 28px rgba(4, 11, 8, 0.45);
}

.page-home .home-hero__float-label {
  display: block;
  font-size: 0.7rem;
  letter-spacing: 0.16em;
  opacity: 0.82;
}

.page-home .home-hero__float-text {
  display: block;
  margin-top: 6px;
  font-size: 0.9rem;
  font-weight: 700;
  line-height: 1.55;
}

.page-home .home-hero__float:hover,
.page-home .home-hero__float:focus-visible {
  background: var(--amber-soft);
}

/* ---------- 章节预览 ---------- */
.page-home .home-map-wrap {
  background: #040b08;
  border-bottom: 1px solid var(--line);
}

.page-home .home-map {
  padding-block: clamp(14px, 2.2vw, 22px);
}

.page-home .home-map__summary {
  display: flex;
  align-items: center;
  gap: 14px;
  cursor: pointer;
  list-style: none;
  padding: 6px 0;
}

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

.page-home .home-map__num {
  font-size: 0.72rem;
  letter-spacing: 0.16em;
  color: var(--amber);
}

.page-home .home-map__title {
  font-family: var(--font-head);
  font-weight: 800;
  font-size: 0.98rem;
  color: var(--white);
}

.page-home .home-map__hint {
  margin-left: auto;
  font-size: 0.68rem;
  letter-spacing: 0.12em;
  color: var(--moss);
}

.page-home .home-map__list {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 8px;
  margin: 14px 0 4px;
  padding: 0;
  list-style: none;
}

.page-home .home-map__link {
  display: flex;
  align-items: baseline;
  gap: 9px;
  padding: 10px 12px;
  text-decoration: none;
  color: rgba(248, 251, 248, 0.82);
  background: rgba(11, 42, 31, 0.72);
  border-left: 2px solid var(--line-strong);
  transition: background 0.2s var(--ease), color 0.2s var(--ease);
}

.page-home .home-map__link:hover,
.page-home .home-map__link:focus-visible {
  background: var(--amber);
  color: var(--charcoal);
  border-left-color: var(--charcoal);
}

.page-home .home-map__link-num {
  font-size: 0.7rem;
  letter-spacing: 0.1em;
  color: var(--amber);
}

.page-home .home-map__link:hover .home-map__link-num,
.page-home .home-map__link:focus-visible .home-map__link-num {
  color: var(--charcoal);
}

.page-home .home-map__link-text {
  font-size: 0.88rem;
  font-weight: 600;
}

/* ---------- 章节通用 ---------- */
.page-home .home-section {
  padding-block: var(--home-pad);
  border-bottom: 1px solid var(--line);
}

.page-home .home-section__inner {
  display: grid;
  gap: var(--home-gap);
}

.page-home .home-section__head {
  max-width: 62ch;
}

.page-home .home-section__title {
  margin: 12px 0 0;
  font-family: var(--font-head);
  font-weight: 800;
  font-size: clamp(1.42rem, 3.4vw, 2.16rem);
  line-height: 1.26;
  letter-spacing: -0.006em;
}

.page-home .home-section__lede {
  margin: 12px 0 0;
  font-size: 0.98rem;
  line-height: 1.8;
  color: rgba(248, 251, 248, 0.78);
}

.page-home [data-index-item].is-lit .section-index__num {
  color: var(--amber-soft);
}

/* ---------- 02 小屏 ---------- */
.page-home .home-section--screen {
  background:
    radial-gradient(90% 70% at 12% 0%, rgba(21, 84, 58, 0.6), transparent 62%),
    var(--ink);
}

.page-home .home-screen__grid {
  display: grid;
  gap: var(--home-gap);
}

.page-home .home-screen__figure {
  aspect-ratio: 3 / 4;
  margin: 0;
  border: 1px solid var(--line);
  background: var(--charcoal);
}

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

.page-home .home-switch {
  position: relative;
  padding: clamp(14px, 2.2vw, 22px);
  background: rgba(11, 42, 31, 0.86);
  border: 1px solid var(--line);
  clip-path: polygon(0 0, 100% 0, 100% calc(100% - var(--home-cut)), calc(100% - var(--home-cut)) 100%, 0 100%);
}

.page-home .home-switch__input {
  position: absolute;
  width: 1px;
  height: 1px;
  margin: -1px;
  padding: 0;
  overflow: hidden;
  clip: rect(0 0 0 0);
  white-space: nowrap;
  border: 0;
}

.page-home .home-switch__tabs {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  padding-bottom: 14px;
  border-bottom: 1px solid var(--hair);
}

.page-home .home-switch__tab {
  cursor: pointer;
  padding: 8px 16px;
  font-family: var(--font-mono);
  font-size: 0.78rem;
  letter-spacing: 0.06em;
  color: rgba(248, 251, 248, 0.68);
  border: 1px solid var(--line);
  clip-path: polygon(0 0, 100% 0, 100% 100%, 10px 100%, 0 calc(100% - 10px));
  transition: background 0.2s var(--ease), color 0.2s var(--ease);
}

.page-home .home-switch__tab:hover {
  color: var(--amber-soft);
  border-color: var(--line-strong);
}

.page-home .home-switch__panel {
  display: none;
  margin-top: 16px;
  color: var(--white);
}

.page-home .home-switch__input--mobile:checked ~ .home-switch__panel--mobile,
.page-home .home-switch__input--desktop:checked ~ .home-switch__panel--desktop,
.page-home .home-switch__input--csv:checked ~ .home-switch__panel--csv,
.page-home .home-switch__input--xlsx:checked ~ .home-switch__panel--xlsx {
  display: block;
}

.page-home .home-switch__input--mobile:checked ~ .home-switch__tabs .home-switch__tab--mobile,
.page-home .home-switch__input--desktop:checked ~ .home-switch__tabs .home-switch__tab--desktop,
.page-home .home-switch__input--csv:checked ~ .home-switch__tabs .home-switch__tab--csv,
.page-home .home-switch__input--xlsx:checked ~ .home-switch__tabs .home-switch__tab--xlsx {
  background: var(--amber);
  color: var(--charcoal);
  border-color: var(--amber);
  font-weight: 700;
}

.page-home .home-switch__input--mobile:focus-visible ~ .home-switch__tabs .home-switch__tab--mobile,
.page-home .home-switch__input--desktop:focus-visible ~ .home-switch__tabs .home-switch__tab--desktop,
.page-home .home-switch__input--csv:focus-visible ~ .home-switch__tabs .home-switch__tab--csv,
.page-home .home-switch__input--xlsx:focus-visible ~ .home-switch__tabs .home-switch__tab--xlsx {
  outline: 2px solid var(--amber-soft);
  outline-offset: 2px;
}

/* ---------- 03 入口对照 ---------- */
.page-home .home-section--shift {
  background: var(--paper);
  color: var(--charcoal);
}

.page-home .home-section--shift .home-section__title {
  color: var(--charcoal);
}

.page-home .home-section--shift .home-section__lede {
  color: rgba(27, 31, 28, 0.82);
}

.page-home .home-section--shift .section-index__num {
  color: var(--pitch);
}

.page-home .home-section--shift .section-index__label {
  color: rgba(27, 31, 28, 0.7);
}

.page-home .home-shift__stack {
  display: grid;
  gap: 16px;
}

.page-home .home-shift__card {
  padding: var(--pad-panel);
}

.page-home .home-shift__card .panel__eyebrow {
  color: var(--amber-soft);
}

.page-home .home-shift__card--old .panel__eyebrow {
  color: var(--moss);
}

.page-home .home-shift__card--new {
  background: var(--deep);
  border-color: var(--amber);
}

.page-home .home-shift__figure {
  margin: 0;
  border: 1px solid rgba(27, 31, 28, 0.2);
  background: var(--charcoal);
}

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

.page-home .home-shift__actions,
.page-home .home-export__actions,
.page-home .home-support__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 6px;
}

.page-home .home-shift__btn-dark {
  background: transparent;
  border: 1px solid rgba(27, 31, 28, 0.46);
  color: var(--charcoal);
}

.page-home .home-shift__btn-dark:hover,
.page-home .home-shift__btn-dark:focus-visible {
  background: var(--charcoal);
  color: var(--paper);
  border-color: var(--charcoal);
}

/* ---------- 04 打开速度 ---------- */
.page-home .home-section--speed {
  background:
    linear-gradient(180deg, #05120d 0%, var(--ink) 100%);
}

.page-home .home-speed__board {
  display: grid;
  gap: 16px;
}

.page-home .home-speed__steps {
  list-style: none;
  margin: 0;
  padding: clamp(16px, 2.4vw, 24px);
  display: grid;
  gap: 14px;
  background: rgba(11, 42, 31, 0.6);
  border: 1px solid var(--line);
  clip-path: polygon(0 0, calc(100% - var(--home-cut)) 0, 100% var(--home-cut), 100% 100%, 0 100%);
}

.page-home .home-speed__step {
  display: flex;
  align-items: baseline;
  gap: 12px;
  padding-bottom: 12px;
  border-bottom: 1px dashed var(--hair);
}

.page-home .home-speed__step:last-child {
  padding-bottom: 0;
  border-bottom: 0;
}

.page-home .home-speed__step-num {
  flex: none;
  font-size: 0.76rem;
  letter-spacing: 0.1em;
  color: var(--amber);
}

.page-home .home-speed__step-text {
  font-size: 0.94rem;
  line-height: 1.65;
  color: rgba(248, 251, 248, 0.9);
}

.page-home .home-speed__stats {
  display: grid;
  gap: 10px;
  grid-template-columns: repeat(auto-fit, minmax(150px, 1fr));
}

.page-home .home-speed__stat {
  padding: 16px 14px;
  background: rgba(21, 84, 58, 0.42);
  border-top: 2px solid var(--amber);
  clip-path: polygon(0 0, 100% 0, 100% calc(100% - 12px), calc(100% - 12px) 100%, 0 100%);
}

.page-home .home-speed__stat-num {
  display: block;
  font-size: clamp(1.5rem, 3vw, 1.9rem);
  font-weight: 700;
  color: var(--amber-soft);
  line-height: 1.1;
}

.page-home .home-speed__stat-label {
  display: block;
  margin-top: 8px;
  font-size: 0.82rem;
  line-height: 1.6;
  color: rgba(248, 251, 248, 0.76);
}

.page-home .home-speed__note {
  margin: 0;
  font-size: 0.9rem;
  line-height: 1.75;
  color: var(--moss);
}

/* ---------- 05 导出 ---------- */
.page-home .home-section--export {
  background: var(--paper);
  color: var(--charcoal);
}

.page-home .home-section--export .home-section__title {
  color: var(--charcoal);
}

.page-home .home-section--export .home-section__lede {
  color: rgba(27, 31, 28, 0.82);
}

.page-home .home-section--export .section-index__num {
  color: var(--pitch);
}

.page-home .home-section--export .section-index__label {
  color: rgba(27, 31, 28, 0.7);
}

.page-home .home-export__grid {
  display: grid;
  gap: var(--home-gap);
}

.page-home .home-switch--export {
  background: var(--deep);
  color: var(--white);
}

.page-home .home-export__figure {
  margin: 0;
  border: 1px solid rgba(27, 31, 28, 0.2);
  background: var(--charcoal);
}

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

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

.page-home .home-export__meta-item {
  padding: 7px 12px;
  font-size: 0.74rem;
  letter-spacing: 0.05em;
  color: var(--paper);
  background: var(--pitch);
  clip-path: polygon(0 0, 100% 0, 100% 100%, 10px 100%, 0 calc(100% - 10px));
}

/* ---------- 06 服务 ---------- */
.page-home .home-section--support {
  background:
    radial-gradient(80% 80% at 88% 4%, rgba(227, 168, 59, 0.16), transparent 60%),
    var(--deep);
  border-bottom: 0;
}

.page-home .home-support__grid {
  display: grid;
  gap: 12px;
}

.page-home .home-support__card {
  display: grid;
  gap: 8px;
  padding: clamp(16px, 2.4vw, 24px);
  background: rgba(6, 20, 15, 0.62);
  border-left: 2px solid var(--amber);
}

.page-home .home-support__key {
  font-size: 0.72rem;
  letter-spacing: 0.14em;
  color: var(--amber-soft);
}

.page-home .home-support__val {
  font-size: 1rem;
  font-weight: 700;
  line-height: 1.6;
  color: var(--white);
  word-break: break-word;
}

.page-home .home-support__sub {
  font-size: 0.82rem;
  line-height: 1.6;
  color: var(--moss);
}

@media (min-width: 620px) {
  .page-home .home-support__grid {
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  }

  .page-home .home-shift__stack {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .page-home .home-shift__card--new {
    grid-column: 1 / -1;
  }
}

@media (min-width: 900px) {
  .page-home .home-hero__inner {
    grid-template-columns: minmax(0, 1.08fr) minmax(0, 0.92fr);
    align-items: end;
  }

  .page-home .home-hero__stage {
    padding-bottom: 18px;
  }

  .page-home .home-hero__float {
    position: absolute;
    right: -10px;
    bottom: -14px;
    margin-top: 0;
    margin-left: 0;
  }

  .page-home .home-map__list {
    grid-template-columns: repeat(6, minmax(0, 1fr));
  }

  .page-home .home-screen__grid {
    grid-template-columns: minmax(0, 0.78fr) minmax(0, 1.22fr);
    align-items: start;
  }

  .page-home .home-shift__stack {
    grid-template-columns: repeat(12, minmax(0, 1fr));
    gap: 18px;
    align-items: start;
  }

  .page-home .home-shift__card--old {
    grid-column: 1 / span 4;
  }

  .page-home .home-shift__figure {
    grid-column: 4 / span 6;
    margin-top: 34px;
  }

  .page-home .home-shift__card--new {
    grid-column: 9 / span 4;
    margin-top: 70px;
  }

  .page-home .home-speed__board {
    grid-template-columns: minmax(0, 1.25fr) minmax(0, 0.75fr);
    align-items: start;
  }

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

  .page-home .home-export__grid {
    grid-template-columns: minmax(0, 1.05fr) minmax(0, 0.95fr);
    align-items: start;
  }

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

@media (prefers-reduced-motion: reduce) {
  .page-home .home-map__link,
  .page-home .home-switch__tab,
  .page-home .home-hero__float {
    transition: none;
  }
}