/* =========================================================
   首页 · page-home
   ========================================================= */

.page-home {
  --ph-pad: clamp(1.25rem, 3vw, 2.25rem);
  --ph-y: clamp(3rem, 7.5vw, 6.5rem);
  display: block;
  overflow-x: clip;
}

.page-home .section {
  position: relative;
  padding-block: var(--ph-y);
}

/* ---------- 面包屑 / 页面上下文 ---------- */

.page-home .page-context {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 0.55rem;
  margin: 0 0 clamp(1.5rem, 4vw, 2.5rem);
  font-family: var(--font-mono);
  font-size: 0.75rem;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--on-dark-dim);
}

.page-home .page-context__brand {
  color: var(--cyan);
  font-weight: 600;
}

.page-home .page-context__sep {
  display: inline-block;
  width: 16px;
  height: 1px;
  background: var(--hair-cyan);
}

/* ---------- 首屏 ---------- */

.page-home .hero {
  position: relative;
  isolation: isolate;
  overflow: hidden;
  background: var(--ink-deep);
  color: var(--on-dark);
  padding-block: clamp(1.5rem, 3.5vw, 2.5rem) var(--ph-y);
  border-bottom: 1px solid var(--hair);
}

.page-home .hero::before {
  content: "";
  position: absolute;
  top: -22%;
  right: -14%;
  width: min(780px, 82vw);
  aspect-ratio: 1 / 1;
  background: radial-gradient(circle, rgba(44, 229, 210, 0.15) 0%, rgba(44, 229, 210, 0) 66%);
  z-index: -2;
  pointer-events: none;
}

.page-home .hero::after {
  content: "";
  position: absolute;
  bottom: -20%;
  left: -16%;
  width: min(600px, 68vw);
  aspect-ratio: 1 / 1;
  background: radial-gradient(circle, rgba(255, 122, 61, 0.10) 0%, rgba(255, 122, 61, 0) 68%);
  z-index: -2;
  pointer-events: none;
}

.page-home .hero-flow {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  z-index: -1;
  pointer-events: none;
  opacity: 0.72;
}

.page-home .hero-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 1px;
  background: var(--hair);
  border: 1px solid var(--hair);
}

.page-home .hero-cell {
  position: relative;
  padding: var(--ph-pad);
  background: var(--ink-deep);
}

.page-home .hero-cell--note,
.page-home .hero-cell--status {
  background: var(--indigo);
}

.page-home .hero-cell--title {
  padding-block: clamp(1.6rem, 4vw, 2.9rem);
}

.page-home .hero-cell--title .eyebrow {
  margin-bottom: 0.9rem;
}

.page-home .hero-cell--title h1 {
  margin: 0;
  color: var(--paper);
  font-size: clamp(2.15rem, 6.4vw, 4.25rem);
  line-height: 1.08;
  letter-spacing: -0.02em;
  text-wrap: balance;
}

.page-home .hero-cell--title .t-lead {
  margin: clamp(1rem, 2.4vw, 1.6rem) 0 0;
  max-width: 40ch;
  color: var(--on-dark-dim);
}

.page-home .hero-cell--note .t-h3 {
  margin: 0.55rem 0 0.75rem;
  color: var(--paper);
}

.page-home .hero-cell--note .t-body {
  margin: 0;
  color: var(--on-dark-dim);
  max-width: 44ch;
}

.page-home .hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.7rem;
  margin-top: clamp(1rem, 2.4vw, 1.5rem);
}

.page-home .hero-cell--device {
  padding: 0;
  overflow: hidden;
  min-height: 250px;
}

.page-home .hero-cell--device img {
  position: absolute;
  inset: 0;
  display: block;
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center;
}

.page-home .hero-device-chip {
  position: absolute;
  left: 0;
  bottom: 0;
  z-index: 2;
  padding: 0.5rem 0.95rem;
  background: var(--ink-deep);
  color: var(--cyan);
  font-size: 0.74rem;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  border-top: 1px solid var(--hair-cyan);
  border-right: 1px solid var(--hair-cyan);
}

.page-home .status-list {
  list-style: none;
  margin: clamp(0.7rem, 2vw, 1.1rem) 0 0;
  padding: 0;
  display: grid;
  gap: 0;
}

.page-home .status-list li {
  display: grid;
  grid-template-columns: minmax(0, auto) minmax(0, 1fr);
  gap: 0.95rem;
  align-items: baseline;
  padding: 0.68rem 0;
  border-bottom: 1px solid var(--hair);
}

.page-home .status-list li:last-child {
  border-bottom: 0;
  padding-bottom: 0;
}

.page-home .status-k {
  color: var(--orange);
  font-size: 0.9rem;
  white-space: nowrap;
}

.page-home .status-v {
  color: var(--on-dark-dim);
  font-size: 0.88rem;
  line-height: 1.6;
}

/* ---------- 章节标题结构 ---------- */

.page-home .sec-head {
  display: grid;
  gap: clamp(0.6rem, 2vw, 1.25rem);
  margin-bottom: clamp(1.75rem, 4.5vw, 3.25rem);
}

.page-home .section__index {
  display: block;
  font-family: var(--font-mono);
  font-weight: 600;
  font-size: clamp(2.4rem, 7vw, 4.4rem);
  line-height: 1;
  letter-spacing: -0.04em;
  color: var(--hair-cyan);
  transition: color 260ms var(--ease), opacity 260ms var(--ease);
  opacity: 0.85;
}

.page-home .is-current .section__index {
  color: var(--cyan);
  opacity: 1;
}

.page-home .sec-head__body .eyebrow {
  margin-bottom: 0.65rem;
}

.page-home .sec-head__body h2 {
  margin: 0;
  color: var(--paper);
}

.page-home .sec-head__body .t-lead {
  margin: clamp(0.75rem, 2vw, 1.1rem) 0 0;
  max-width: 56ch;
  color: var(--on-dark-dim);
}

/* ---------- 01 六个栏目（纸白分区） ---------- */

.page-home .columns {
  --row-line: var(--line);
  --row-text: var(--ink-text);
  --row-dim: var(--gray);
  --row-accent: var(--jewel);
  --row-hover: rgba(59, 42, 107, 0.05);
  background: var(--paper);
  color: var(--ink-text);
}

.page-home .columns .sec-head__body h2 {
  color: var(--ink-text);
}

.page-home .columns .sec-head__body .t-lead,
.page-home .columns .sec-head__body .eyebrow {
  color: var(--on-paper-dim);
}

.page-home .columns .sec-head__body .t-lead {
  color: var(--gray);
}

.page-home .columns .eyebrow {
  color: var(--wine);
}

.page-home .columns .section__index {
  color: rgba(19, 30, 44, 0.14);
}

.page-home .columns.is-current .section__index {
  color: var(--jewel);
}

.page-home .columns-visual {
  margin-bottom: clamp(1.5rem, 3.5vw, 2.5rem);
  border: 1px solid var(--line);
  overflow: hidden;
  background: var(--ink-deep);
}

.page-home .columns-visual img {
  display: block;
  width: 100%;
  height: auto;
  aspect-ratio: 3 / 2;
  object-fit: cover;
}

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

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

.page-home .col-row__link {
  display: grid;
  grid-template-columns: 2.5rem minmax(0, 1fr);
  grid-template-areas:
    "num name"
    "num cue"
    "num desc";
  gap: 0.35rem 1rem;
  padding: clamp(1rem, 2.4vw, 1.5rem) 0.75rem;
  text-decoration: none;
  border-left: 2px solid transparent;
  transition: border-color 220ms var(--ease), background-color 220ms var(--ease);
}

.page-home .col-row__num {
  grid-area: num;
  color: var(--row-dim);
  font-size: 0.82rem;
  padding-top: 0.35rem;
}

.page-home .col-row__name {
  grid-area: name;
  margin: 0;
  color: var(--row-text);
  font-size: clamp(1.15rem, 2.4vw, 1.5rem);
}

.page-home .col-row__cue {
  grid-area: cue;
  margin: 0;
  color: var(--row-accent);
  font-size: 0.8rem;
  letter-spacing: 0.02em;
}

.page-home .col-row__desc {
  grid-area: desc;
  margin: 0.45rem 0 0;
  color: var(--row-dim);
  max-width: 62ch;
}

.page-home .col-row__link:hover,
.page-home .col-row__link:focus-visible {
  border-left-color: var(--row-accent);
  background: var(--row-hover);
}

/* ---------- 02 换设备（靛青分区） ---------- */

.page-home .switch {
  background: var(--indigo);
  color: var(--on-dark);
}

.page-home .switch-grid {
  display: grid;
  gap: clamp(1.75rem, 4vw, 3rem);
}

.page-home .switch-media {
  position: relative;
  border: 1px solid var(--hair);
  overflow: hidden;
  background: var(--ink-deep);
}

.page-home .switch-media img {
  display: block;
  width: 100%;
  height: auto;
  aspect-ratio: 4 / 3;
  object-fit: cover;
}

.page-home .switch-body .section__index {
  margin-bottom: 0.35rem;
}

.page-home .switch-body h2 {
  margin: 0.5rem 0 0;
  color: var(--paper);
}

.page-home .switch-body .t-lead {
  margin: clamp(0.75rem, 2vw, 1.1rem) 0 0;
  max-width: 52ch;
  color: var(--on-dark-dim);
}

.page-home .steps {
  list-style: none;
  margin: clamp(1.5rem, 3.5vw, 2.25rem) 0 0;
  padding: 0;
  border-top: 1px solid var(--hair);
}

.page-home .step {
  display: grid;
  grid-template-columns: 2.75rem minmax(0, 1fr);
  gap: 1rem;
  padding: clamp(0.95rem, 2.3vw, 1.4rem) 0;
  border-bottom: 1px solid var(--hair);
}

.page-home .step__num {
  color: var(--orange);
  font-size: 1.35rem;
  line-height: 1.15;
}

.page-home .step__title {
  margin: 0 0 0.35rem;
  color: var(--paper);
}

.page-home .step__body .t-body {
  margin: 0;
  color: var(--on-dark-dim);
  max-width: 56ch;
}

.page-home .device-tabs {
  margin-top: clamp(1.5rem, 3.5vw, 2.25rem);
}

.page-home .tablist {
  display: flex;
  flex-wrap: wrap;
  gap: 0;
  border: 1px solid var(--hair-cyan);
}

.page-home .device-tabs .tab {
  flex: 1 1 auto;
  min-width: 84px;
  padding: 0.72rem 1rem;
  background: transparent;
  color: var(--on-dark-dim);
  border: 0;
  border-right: 1px solid var(--hair-cyan);
  font-family: var(--font-sans);
  font-size: 0.9rem;
  letter-spacing: 0.04em;
  cursor: pointer;
  transition: color 200ms var(--ease), background-color 200ms var(--ease);
}

.page-home .device-tabs .tab:last-child {
  border-right: 0;
}

.page-home .device-tabs .tab:hover {
  color: var(--cyan);
}

.page-home .device-tabs .tab[aria-selected="true"] {
  color: var(--ink-deep);
  background: var(--cyan);
}

.page-home .device-tabs .panel {
  padding: clamp(0.95rem, 2.3vw, 1.4rem) 0 0;
}

.page-home .device-tabs .panel .t-body {
  margin: 0;
  color: var(--on-dark-dim);
  max-width: 58ch;
}

/* ---------- 03 更新节奏（珠宝紫分区） ---------- */

.page-home .timeline {
  background: var(--jewel);
  color: var(--on-dark);
}

.page-home .timeline .sec-head__body .t-lead,
.page-home .timeline .sec-head__body .eyebrow {
  color: rgba(232, 240, 247, 0.72);
}

.page-home .timeline .eyebrow {
  color: var(--amber);
}

.page-home .rail {
  list-style: none;
  margin: 0;
  padding: 0;
}

.page-home .rail__item {
  position: relative;
  margin-left: 5px;
  padding: 0 0 clamp(1.5rem, 3.5vw, 2.4rem) clamp(1.5rem, 4vw, 2.4rem);
  border-left: 1px solid var(--hair-cyan);
}

.page-home .rail__item:last-child {
  border-left-color: transparent;
  padding-bottom: 0;
}

.page-home .rail__mark {
  position: absolute;
  left: -5px;
  top: 0.42em;
  width: 9px;
  height: 9px;
  background: var(--jewel);
  border: 1px solid var(--cyan);
}

.page-home .rail__item--current .rail__mark {
  background: var(--orange);
  border-color: var(--orange);
}

.page-home .rail__when {
  display: block;
  color: var(--cyan-mist);
  font-size: 0.8rem;
  letter-spacing: 0.06em;
}

.page-home .rail__item--current .rail__when {
  color: var(--orange);
}

.page-home .rail__title {
  margin: 0.45rem 0 0.4rem;
  color: var(--paper);
}

.page-home .rail__text {
  margin: 0;
  color: rgba(232, 240, 247, 0.74);
  max-width: 58ch;
}

.page-home .rail__foot {
  margin: clamp(1.75rem, 4vw, 2.5rem) 0 0;
}

/* ---------- 04 覆盖与结果（深蓝分区） ---------- */

.page-home .reach {
  background: var(--ink-deep);
  color: var(--on-dark);
}

.page-home .reach-grid {
  display: grid;
  gap: clamp(1.75rem, 4vw, 3rem);
}

.page-home .reach-body h2 {
  margin: 0.5rem 0 0;
  color: var(--paper);
}

.page-home .reach-body .t-lead {
  margin: clamp(0.75rem, 2vw, 1.1rem) 0 0;
  max-width: 50ch;
  color: var(--on-dark-dim);
}

.page-home .stat-list {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 1px;
  margin: clamp(1.5rem, 3.5vw, 2.25rem) 0 0;
  padding: 0;
  background: var(--hair);
  border: 1px solid var(--hair);
}

.page-home .stat-list > .stat {
  background: var(--ink-deep);
  padding: clamp(0.85rem, 2vw, 1.3rem);
}

.page-home .stat-list .stat__value {
  display: block;
  color: var(--orange);
  font-size: clamp(1.3rem, 3vw, 1.85rem);
  line-height: 1.2;
}

.page-home .stat-list .stat__label {
  display: block;
  margin: 0.35rem 0 0;
  color: var(--on-dark-dim);
  font-size: 0.84rem;
  line-height: 1.55;
}

.page-home .reach-media {
  position: relative;
  border: 1px solid var(--hair);
  overflow: hidden;
  background: var(--indigo);
}

.page-home .reach-media img {
  display: block;
  width: 100%;
  height: auto;
  aspect-ratio: 16 / 9;
  object-fit: cover;
}

.page-home .reach-media .media__caption {
  margin: 0;
  padding: 0.85rem 1rem;
  border-top: 1px solid var(--hair);
  color: var(--on-dark-dim);
  font-size: 0.82rem;
  line-height: 1.6;
}

/* ---------- 05 进门常问（纸白分区） ---------- */

.page-home .ask {
  background: var(--paper);
  color: var(--ink-text);
}

.page-home .ask .sec-head__body h2 {
  color: var(--ink-text);
}

.page-home .ask .sec-head__body .t-lead {
  color: var(--gray);
}

.page-home .ask .sec-head__body .eyebrow {
  color: var(--wine);
}

.page-home .ask .section__index {
  color: rgba(19, 30, 44, 0.14);
}

.page-home .ask.is-current .section__index {
  color: var(--jewel);
}

.page-home .ask-grid {
  display: grid;
  gap: 1px;
  background: var(--line);
  border: 1px solid var(--line);
}

.page-home .ask-item {
  display: flex;
  flex-direction: column;
  gap: 0.7rem;
  padding: clamp(1.2rem, 2.6vw, 1.85rem);
  background: var(--paper);
  border-left: 2px solid transparent;
  transition: border-color 220ms var(--ease), background-color 220ms var(--ease);
}

.page-home .ask-item:hover {
  border-left-color: var(--jewel);
  background: rgba(59, 42, 107, 0.04);
}

.page-home .ask-q {
  margin: 0;
  color: var(--ink-text);
  font-size: clamp(1.05rem, 2.2vw, 1.28rem);
}

.page-home .ask-a {
  margin: 0;
  color: var(--gray);
  flex: 1 1 auto;
}

.page-home .ask-link {
  align-self: flex-start;
  color: var(--jewel);
  font-size: 0.86rem;
  font-weight: 600;
  letter-spacing: 0.02em;
  text-decoration: none;
  border-bottom: 1px solid rgba(59, 42, 107, 0.35);
  padding-bottom: 2px;
  transition: color 200ms var(--ease), border-color 200ms var(--ease);
}

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

.page-home .ask-foot {
  margin: clamp(1.75rem, 4vw, 2.5rem) 0 0;
}

/* =========================================================
   响应式
   ========================================================= */

@media (min-width: 760px) {
  .page-home .col-row__link {
    grid-template-columns: 3.5rem minmax(0, 250px) minmax(0, 1fr);
    grid-template-areas:
      "num name desc"
      "num cue  desc";
    align-items: baseline;
    gap: 0.3rem 1.5rem;
  }

  .page-home .col-row__desc {
    margin: 0;
  }

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

@media (min-width: 900px) {
  .page-home .hero-grid {
    grid-template-columns: repeat(12, 1fr);
    grid-template-areas:
      "head head head head head head head note note note note note"
      "head head head head head head head dev  dev  dev  dev  dev "
      "stat stat stat stat stat stat stat dev  dev  dev  dev  dev ";
  }

  .page-home .hero-cell--title { grid-area: head; }
  .page-home .hero-cell--note { grid-area: note; }
  .page-home .hero-cell--device { grid-area: dev; min-height: 380px; }
  .page-home .hero-cell--status { grid-area: stat; }

  .page-home .sec-head {
    grid-template-columns: 190px minmax(0, 1fr);
    gap: clamp(1.5rem, 4vw, 3rem);
    align-items: start;
  }

  .page-home .switch-grid {
    grid-template-columns: minmax(0, 5fr) minmax(0, 7fr);
    align-items: start;
  }

  .page-home .switch-media {
    position: sticky;
    top: 96px;
  }

  .page-home .reach-grid {
    grid-template-columns: minmax(0, 6fr) minmax(0, 5fr);
    align-items: start;
    gap: clamp(2rem, 5vw, 4rem);
  }

  .page-home .rail {
    display: grid;
    grid-template-columns: repeat(4, minmax(0, 1fr));
    gap: 0;
    border-top: 1px solid var(--hair-cyan);
    padding-top: clamp(1.5rem, 3vw, 2.25rem);
  }

  .page-home .rail__item {
    margin-left: 0;
    padding: 0 clamp(1rem, 2.4vw, 1.75rem) 0 0;
    border-left: 0;
    border-top: 0;
  }

  .page-home .rail__mark {
    position: static;
    display: block;
    margin-bottom: 0.9rem;
  }

  .page-home .rail__item:last-child {
    padding-right: 0;
  }
}

@media (min-width: 1180px) {
  .page-home .sec-head {
    grid-template-columns: 220px minmax(0, 1fr);
  }

  .page-home .hero-cell--title .t-lead {
    max-width: 46ch;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-home .section__index,
  .page-home .col-row__link,
  .page-home .ask-item,
  .page-home .ask-link,
  .page-home .device-tabs .tab {
    transition: none;
  }
}
</｜｜DSML｜｜ parameter>
</｜｜DSML｜｜ invoke>
</｜｜DSML｜｜ calls>