.page-home {
  display: block;
  background: var(--mist);
  color: var(--ink);
  font-family: var(--font-body);
  --home-orange-ink: #B0431A;
}

.page-home img {
  max-width: 100%;
}

/* ============ 首屏：框景 + 非对称分栏 ============ */
.page-home .home-hero {
  padding-block: clamp(24px, 4vw, 48px) clamp(40px, 6vw, 72px);
}

.page-home .home-hero__frame {
  position: relative;
  border: 1px solid var(--hair);
  border-radius: var(--r-xl);
  background: #fff;
  padding: clamp(20px, 3.4vw, 48px);
  overflow: hidden;
  box-shadow: 0 40px 80px -62px rgba(6, 21, 48, .6);
}

.page-home .home-hero__frame::before,
.page-home .home-hero__frame::after {
  content: "";
  position: absolute;
  left: clamp(20px, 3.4vw, 48px);
  right: clamp(20px, 3.4vw, 48px);
  height: 6px;
  background-image: repeating-linear-gradient(90deg, var(--line) 0 1px, transparent 1px 15px);
  opacity: .5;
  pointer-events: none;
}

.page-home .home-hero__frame::before { top: 13px; }
.page-home .home-hero__frame::after { bottom: 13px; }

.page-home .home-hero__grid {
  display: grid;
  gap: clamp(26px, 3.5vw, 52px);
  align-items: center;
}

.page-home .home-hero__eyebrow {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 6px 12px;
  margin: 0;
  font-size: 13px;
  line-height: 1.6;
  color: var(--ink-3);
}

.page-home .home-version {
  display: inline-block;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: .08em;
  padding: 4px 11px;
  border-radius: var(--r-pill);
  background: rgba(77, 208, 225, .16);
  color: var(--teal);
  border: 1px solid rgba(14, 92, 99, .2);
}

.page-home .home-hero h1 {
  margin: 20px 0 0;
  font-family: var(--font-display);
  font-weight: 800;
  font-size: clamp(30px, 6vw, 52px);
  line-height: 1.2;
  letter-spacing: -.012em;
  color: var(--deep);
  max-width: 22ch;
}

.page-home .home-hero__lede {
  margin: 20px 0 0;
  font-size: clamp(16px, 1.7vw, 18px);
  line-height: 1.85;
  color: var(--ink-2);
  max-width: 46ch;
}

.page-home .home-hero__actions {
  margin-top: 28px;
  display: flex;
  flex-wrap: wrap;
  gap: 14px;
}

.page-home .home-hero__facts {
  margin: 34px 0 0;
  padding: 20px 0 0;
  border-top: 1px solid var(--hair);
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 18px 14px;
}

.page-home .home-hero__facts > div {
  display: grid;
  gap: 8px;
  justify-items: start;
}

.page-home .home-hero__facts dt {
  font-size: 12px;
  letter-spacing: .05em;
  color: var(--ink-3);
}

.page-home .home-hero__facts dd {
  margin: 0;
  font-family: var(--font-mono);
  font-size: clamp(18px, 2.6vw, 24px);
  font-weight: 700;
  line-height: 1.1;
  color: var(--deep);
  border-bottom: 2px solid var(--cyan);
  padding-bottom: 3px;
}

/* 首屏右侧预览卡 */
.page-home .home-preview {
  position: relative;
  isolation: isolate;
  display: flex;
  flex-direction: column;
  justify-content: flex-end;
  min-height: 320px;
  padding: clamp(20px, 2.4vw, 28px);
  border-radius: var(--r-lg);
  overflow: hidden;
  background: linear-gradient(155deg, #0A1F44 0%, #1B2A6B 52%, #4B3B8F 100%);
  box-shadow: var(--shadow);
}

.page-home .home-preview__media {
  position: absolute;
  inset: 0;
  z-index: 0;
  pointer-events: none;
}

.page-home .home-preview__media img {
  display: block;
  width: 100%;
  height: 100%;
  object-fit: cover;
  opacity: .36;
}

.page-home .home-preview__content {
  position: relative;
  z-index: 1;
}

.page-home .home-preview .tabs__list {
  display: flex;
  gap: 6px;
  padding: 5px;
  border-radius: var(--r-pill);
  background: rgba(255, 255, 255, .1);
  border: 1px solid rgba(255, 255, 255, .18);
}

.page-home .home-preview .tabs__tab {
  flex: 1 1 0;
  min-width: 0;
  border: 0;
  background: transparent;
  color: rgba(255, 255, 255, .76);
  font-family: inherit;
  font-size: 14px;
  line-height: 1;
  padding: 10px 8px;
  border-radius: var(--r-pill);
  cursor: pointer;
  transition: background-color .18s var(--ease), color .18s var(--ease);
}

.page-home .home-preview .tabs__tab:hover { color: #fff; }

.page-home .home-preview .tabs__tab[aria-selected="true"] {
  background: var(--electric);
  color: #fff;
}

.page-home .home-preview .tabs__tab:focus-visible {
  outline: 2px solid var(--cyan);
  outline-offset: 2px;
}

.page-home .home-preview .tabs__panel { margin-top: 18px; }

.page-home .home-preview__title {
  margin: 0 0 14px;
  font-size: clamp(17px, 2vw, 20px);
  font-weight: 600;
  line-height: 1.5;
  color: #fff;
}

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

.page-home .home-preview__list li {
  display: grid;
  grid-template-columns: 62px minmax(0, 1fr);
  gap: 12px;
  align-items: baseline;
  padding: 11px 14px;
  border-radius: var(--r-md);
  background: rgba(255, 255, 255, .08);
  border: 1px solid rgba(255, 255, 255, .1);
  font-size: 14.5px;
  line-height: 1.65;
  color: rgba(255, 255, 255, .85);
}

.page-home .home-preview__list .mono {
  font-family: var(--font-mono);
  font-size: 12.5px;
  letter-spacing: .08em;
  color: var(--cyan);
}

/* ============ 编号章节体系 ============ */
.page-home .home-chapter {
  padding-block: clamp(46px, 6.5vw, 92px);
}

.page-home .home-chapter--band {
  background: linear-gradient(180deg, rgba(27, 42, 107, .07), rgba(27, 42, 107, 0) 78%);
}

.page-home .home-chapter--last {
  padding-bottom: clamp(64px, 9vw, 120px);
}

.page-home .home-chapter .chapter {
  display: grid;
  gap: 10px;
  border-top: 1px solid var(--hair);
  padding-top: clamp(16px, 2.4vw, 26px);
}

.page-home .home-chapter .chapter__index {
  margin: 0;
  font-family: var(--font-mono);
  font-size: clamp(26px, 3.6vw, 40px);
  font-weight: 700;
  line-height: 1;
  letter-spacing: .02em;
  color: var(--violet);
  font-variant-numeric: tabular-nums;
}

.page-home .home-chapter .chapter__title {
  margin: 0;
  font-family: var(--font-display);
  font-weight: 800;
  font-size: clamp(22px, 3.2vw, 34px);
  line-height: 1.32;
  letter-spacing: -.01em;
  color: var(--deep);
}

.page-home .home-chapter .chapter__lede {
  margin: 2px 0 0;
  font-size: 16px;
  line-height: 1.85;
  color: var(--ink-2);
  max-width: 64ch;
}

/* ============ 通用分栏 ============ */
.page-home .home-split {
  display: grid;
  gap: clamp(24px, 3.5vw, 46px);
  margin-top: clamp(22px, 3vw, 34px);
  align-items: start;
}

.page-home .home-split__body { min-width: 0; }

.page-home .home-inline-link {
  margin: clamp(20px, 2.6vw, 28px) 0 0;
  font-size: 15px;
  line-height: 1.7;
}

.page-home .home-inline-link a {
  color: var(--electric);
  text-decoration: none;
  border-bottom: 1px solid rgba(0, 102, 255, .3);
  padding-bottom: 2px;
  transition: border-color .18s var(--ease);
}

.page-home .home-inline-link a:hover { border-color: var(--electric); }

/* ============ 01 步骤 ============ */
.page-home .home-steps {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: clamp(16px, 2vw, 22px);
}

.page-home .home-steps__item {
  display: grid;
  grid-template-columns: 42px minmax(0, 1fr);
  column-gap: clamp(14px, 2vw, 22px);
  row-gap: 6px;
  padding-bottom: clamp(16px, 2vw, 22px);
  border-bottom: 1px solid var(--hair);
}

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

.page-home .home-steps__num {
  grid-row: span 2;
  font-family: var(--font-mono);
  font-size: 15px;
  font-weight: 700;
  letter-spacing: .06em;
  color: var(--electric);
  padding-top: 3px;
}

.page-home .home-steps__title {
  margin: 0;
  font-family: var(--font-display);
  font-size: clamp(17px, 2vw, 20px);
  font-weight: 700;
  line-height: 1.4;
  color: var(--deep);
}

.page-home .home-steps__text {
  margin: 0;
  font-size: 15.5px;
  line-height: 1.8;
  color: var(--ink-2);
}

.page-home .home-phone {
  margin: 0;
  position: relative;
  border-radius: var(--r-lg);
  overflow: hidden;
  border: 1px solid rgba(136, 146, 166, .22);
  background: linear-gradient(160deg, var(--indigo), var(--deep) 70%);
  box-shadow: var(--shadow);
}

.page-home .home-phone img {
  display: block;
  width: 100%;
  height: auto;
  aspect-ratio: 4 / 5;
  object-fit: cover;
}

/* ============ 02 数据与角色 ============ */
.page-home .home-stats {
  list-style: none;
  margin: clamp(22px, 3vw, 34px) 0 0;
  padding: 0;
  display: grid;
  gap: 16px;
  grid-template-columns: repeat(auto-fit, minmax(150px, 1fr));
}

.page-home .home-stats > li {
  border-top: 1px solid var(--hair);
  padding-top: 14px;
}

.page-home .home-stats__num {
  display: inline-block;
  font-family: var(--font-mono);
  font-size: clamp(28px, 4.2vw, 42px);
  font-weight: 700;
  line-height: 1.05;
  color: var(--deep);
  border-bottom: 2px solid var(--cyan);
  padding-bottom: 3px;
}

.page-home .home-stats__label {
  display: block;
  margin-top: 10px;
  font-size: 13.5px;
  letter-spacing: .04em;
  color: var(--ink-3);
}

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

.page-home .home-role {
  padding: clamp(18px, 2.2vw, 26px);
  border-radius: var(--r-lg);
  background: #fff;
  border: 1px solid var(--hair);
}

.page-home .home-role__tag {
  display: inline-block;
  margin: 0 0 12px;
  padding: 4px 12px;
  border-radius: var(--r-pill);
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: .08em;
}

.page-home .home-role__tag--blue {
  background: rgba(0, 102, 255, .1);
  color: var(--electric);
}

.page-home .home-role__tag--teal {
  background: rgba(77, 208, 225, .18);
  color: var(--teal);
}

.page-home .home-role__title {
  margin: 0 0 8px;
  font-family: var(--font-display);
  font-size: 17px;
  font-weight: 700;
  line-height: 1.45;
  color: var(--deep);
}

.page-home .home-role__text {
  margin: 0;
  font-size: 15px;
  line-height: 1.8;
  color: var(--ink-2);
}

.page-home .home-shot {
  margin: 0;
  border-radius: var(--r-lg);
  overflow: hidden;
  border: 1px solid rgba(136, 146, 166, .2);
  background: linear-gradient(150deg, var(--teal), var(--deep));
  box-shadow: var(--shadow);
}

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

/* ============ 03 家庭三卡 ============ */
.page-home .home-cards {
  list-style: none;
  margin: clamp(24px, 3vw, 36px) 0 0;
  padding: 0;
  display: grid;
  gap: clamp(16px, 2vw, 22px);
}

.page-home .home-cards__item {
  padding: clamp(20px, 2.4vw, 28px) clamp(18px, 2vw, 24px);
  border-radius: var(--r-lg);
  background: #fff;
  border: 1px solid var(--hair);
  transition: transform .25s var(--ease), box-shadow .25s var(--ease);
}

.page-home .home-cards__item:hover {
  transform: translateY(-4px);
  box-shadow: 0 26px 50px -36px rgba(6, 21, 48, .5);
}

.page-home .home-cards__dot {
  display: block;
  width: 28px;
  height: 3px;
  border-radius: 2px;
  background: var(--cyan);
  margin-bottom: 16px;
}

.page-home .home-cards__item h3 {
  margin: 0 0 10px;
  font-family: var(--font-display);
  font-size: 18px;
  font-weight: 700;
  line-height: 1.45;
  color: var(--deep);
}

.page-home .home-cards__item p {
  margin: 0;
  font-size: 15px;
  line-height: 1.8;
  color: var(--ink-2);
}

/* ============ 04 订阅页分段 ============ */
.page-home .home-switch {
  margin-top: clamp(24px, 3vw, 34px);
  display: grid;
  border-radius: var(--r-lg);
  overflow: hidden;
  border: 1px solid var(--hair);
  background: #fff;
}

.page-home .home-switch__row {
  display: grid;
  gap: 10px;
  padding: clamp(18px, 2.2vw, 26px);
  border-bottom: 1px solid var(--hair);
}

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

.page-home .home-switch__key {
  justify-self: start;
  font-family: var(--font-mono);
  font-size: 13px;
  letter-spacing: .1em;
  padding: 5px 14px;
  border-radius: var(--r-pill);
  background: rgba(14, 92, 99, .1);
  color: var(--teal);
  border: 1px solid rgba(14, 92, 99, .18);
}

.page-home .home-switch__row:nth-child(2) .home-switch__key {
  background: rgba(0, 102, 255, .1);
  color: var(--electric);
  border-color: rgba(0, 102, 255, .2);
}

.page-home .home-switch__row:nth-child(3) .home-switch__key {
  background: rgba(122, 46, 60, .1);
  color: var(--wine);
  border-color: rgba(122, 46, 60, .22);
}

.page-home .home-switch__text {
  margin: 0;
  font-size: 15.5px;
  line-height: 1.8;
  color: var(--ink-2);
}

/* ============ 05 版本变更 ============ */
.page-home .home-changes {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: clamp(16px, 2vw, 22px);
}

.page-home .home-changes > li {
  display: grid;
  gap: 8px;
  padding-bottom: clamp(16px, 2vw, 22px);
  border-bottom: 1px dashed var(--hair-dark);
}

.page-home .home-changes > li:last-child {
  border-bottom: 0;
  padding-bottom: 0;
}

.page-home .home-changes__tag {
  justify-self: start;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: .08em;
  padding: 5px 12px;
  border-radius: var(--r-pill);
  white-space: nowrap;
  background: rgba(10, 31, 68, .06);
  color: var(--ink-2);
}

.page-home .home-changes__tag--wine {
  background: rgba(122, 46, 60, .12);
  color: var(--wine);
}

.page-home .home-changes__tag--teal {
  background: rgba(14, 92, 99, .12);
  color: var(--teal);
}

.page-home .home-changes__tag--cyan {
  background: rgba(77, 208, 225, .2);
  color: #0B5A64;
}

.page-home .home-changes__tag--orange {
  background: rgba(255, 107, 53, .14);
  color: var(--home-orange-ink);
}

.page-home .home-changes p {
  margin: 0;
  font-size: 15.5px;
  line-height: 1.8;
  color: var(--ink-2);
}

/* ============ 06 支持 ============ */
.page-home .home-contact {
  margin-top: clamp(24px, 3vw, 36px);
  display: grid;
  gap: clamp(18px, 2.4vw, 26px);
}

.page-home .home-contact__block {
  display: grid;
  gap: 12px;
  align-content: start;
  justify-items: start;
  padding: clamp(20px, 2.4vw, 28px);
  border-radius: var(--r-lg);
  background: #fff;
  border: 1px solid var(--hair);
}

.page-home .home-contact__block--note {
  background: linear-gradient(160deg, rgba(27, 42, 107, .07), rgba(77, 208, 225, .1));
  border-style: dashed;
  border-color: rgba(10, 31, 68, .2);
}

.page-home .home-contact__label {
  margin: 0;
  font-size: 12.5px;
  letter-spacing: .12em;
  color: var(--ink-3);
}

.page-home .home-contact__value {
  margin: 0;
  font-family: var(--font-mono);
  font-size: clamp(15px, 1.8vw, 17px);
  font-weight: 600;
  color: var(--deep);
  word-break: break-all;
}

.page-home .home-contact__text {
  margin: 0;
  font-size: 15px;
  line-height: 1.8;
  color: var(--ink-2);
}

.page-home .home-contact__text a {
  color: var(--electric);
  text-decoration: none;
  border-bottom: 1px solid rgba(0, 102, 255, .28);
}

.page-home .home-contact__text a:hover { border-bottom-color: var(--electric); }

/* ============ 响应式 ============ */
@media (min-width: 640px) {
  .page-home .home-roles {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

@media (min-width: 720px) {
  .page-home .home-chapter .chapter {
    grid-template-columns: auto minmax(0, 1fr);
    column-gap: clamp(20px, 3vw, 44px);
    align-items: start;
  }

  .page-home .home-chapter .chapter__index { grid-row: span 2; }
  .page-home .home-chapter .chapter__lede { grid-column: 2; }

  .page-home .home-switch__row {
    grid-template-columns: 96px minmax(0, 1fr);
    gap: 22px;
    align-items: baseline;
  }

  .page-home .home-changes > li {
    grid-template-columns: 112px minmax(0, 1fr);
    gap: 20px;
    align-items: start;
  }
}

@media (min-width: 820px) {
  .page-home .home-cards { grid-template-columns: repeat(3, minmax(0, 1fr)); }

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

@media (min-width: 900px) {
  .page-home .home-split {
    grid-template-columns: minmax(0, 1.08fr) minmax(0, .92fr);
  }

  .page-home .home-split--reverse {
    grid-template-columns: minmax(0, .92fr) minmax(0, 1.08fr);
  }

  .page-home .home-split--reverse .home-split__media { order: -1; }
}

@media (min-width: 960px) {
  .page-home .home-hero__grid {
    grid-template-columns: minmax(0, 1.02fr) minmax(0, .98fr);
  }
}

@media (max-width: 479px) {
  .page-home .home-hero__facts {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .page-home .home-preview__list li {
    grid-template-columns: 54px minmax(0, 1fr);
    gap: 10px;
    font-size: 14px;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-home .home-cards__item { transition: none; }

  .page-home .home-cards__item:hover {
    transform: none;
    box-shadow: none;
  }
}