/* ===== 首页专属样式（作用域 .page-home） ===== */
.page-home {
  --h-line: rgba(138, 106, 42, 0.45);
  --h-line-cool: rgba(201, 210, 227, 0.16);
  --h-line-strong: rgba(201, 210, 227, 0.34);
  --h-panel-bg: linear-gradient(180deg, rgba(19, 28, 60, 0.86), rgba(10, 18, 48, 0.62));
  --h-section-gap: clamp(56px, 8vw, 104px);
  display: block;
}

/* ---------- 首屏封面 ---------- */
.page-home .cover {
  position: relative;
  padding: calc(var(--header-h) + 40px) 0 0;
  background:
    radial-gradient(120% 84% at 82% 6%, rgba(226, 62, 140, 0.16), transparent 58%),
    radial-gradient(96% 76% at 8% 4%, rgba(242, 193, 78, 0.14), transparent 62%),
    linear-gradient(158deg, #0A1230 0%, #0e1236 52%, #050A1C 100%);
  overflow: hidden;
}

.page-home .cover::after {
  content: "";
  position: absolute;
  inset: 0;
  pointer-events: none;
  background-image:
    linear-gradient(rgba(201, 210, 227, 0.055) 1px, transparent 1px),
    linear-gradient(90deg, rgba(201, 210, 227, 0.055) 1px, transparent 1px);
  background-size: 72px 72px;
  mask-image: linear-gradient(180deg, rgba(0, 0, 0, 0.9), transparent 92%);
  -webkit-mask-image: linear-gradient(180deg, rgba(0, 0, 0, 0.9), transparent 92%);
}

.page-home .cover__grid {
  position: relative;
  z-index: 1;
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 30px;
  padding-bottom: clamp(36px, 6vw, 64px);
}

.page-home .cover__context {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  margin: 0 0 18px;
  font-size: 13px;
  letter-spacing: 0.08em;
  color: var(--mist);
}

.page-home .cover__dot {
  width: 7px;
  height: 7px;
  background: var(--emerald);
  box-shadow: 0 0 12px rgba(25, 199, 155, 0.8);
}

.page-home .cover__title {
  margin: 0;
  font-family: var(--font-display);
  font-weight: 900;
  font-size: clamp(34px, 8vw, 68px);
  line-height: 1.06;
  letter-spacing: -0.02em;
  color: var(--white);
  text-wrap: balance;
}

.page-home .cover__lede {
  max-width: 34em;
  margin: 20px 0 0;
  font-size: 16px;
  line-height: 1.8;
  color: var(--mist);
}

.page-home .cover__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 28px;
}

.page-home .cover__index {
  display: grid;
  margin-top: 34px;
  border-top: 1px solid var(--h-line);
}

.page-home .cover__index a {
  display: flex;
  align-items: center;
  gap: 14px;
  padding: 14px 0;
  border-bottom: 1px solid var(--h-line-cool);
  color: var(--mist);
  text-decoration: none;
  font-size: 15px;
  transition: color 0.25s var(--ease), padding-left 0.25s var(--ease);
}

.page-home .cover__index a:hover,
.page-home .cover__index a:focus-visible {
  color: var(--gold);
  padding-left: 6px;
}

.page-home .cover__index-num {
  color: var(--sand);
  font-size: 13px;
  flex: none;
}

.page-home .cover__index-text {
  flex: 1 1 auto;
  min-width: 0;
}

.page-home .cover__index-arrow {
  color: var(--gold);
  flex: none;
}

.page-home .cover__note {
  display: none;
  margin: 0;
  writing-mode: vertical-rl;
  letter-spacing: 0.22em;
  font-size: 12px;
  color: rgba(201, 210, 227, 0.66);
  border-left: 1px solid var(--h-line-cool);
  padding-left: 12px;
}

.page-home .cover__aside {
  border: 1px solid var(--h-line-cool);
  background: var(--h-panel-bg);
  padding: 14px;
}

.page-home .cover__media {
  position: relative;
  margin: 0;
  overflow: hidden;
}

.page-home .cover__media img {
  display: block;
  width: 100%;
  height: auto;
  object-fit: cover;
  filter: saturate(0.9) contrast(1.05);
}

.page-home .cover__media .media__glow {
  position: absolute;
  inset: 0;
  background:
    radial-gradient(60% 50% at 78% 22%, rgba(242, 193, 78, 0.3), transparent 70%),
    linear-gradient(190deg, rgba(10, 18, 48, 0.1), rgba(5, 10, 28, 0.78));
  pointer-events: none;
}

.page-home .cover__facts {
  display: grid;
  gap: 0;
  margin-top: 14px;
  border-top: 1px solid var(--h-line-cool);
}

.page-home .cover__fact {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 12px;
  padding: 12px 2px;
  border-bottom: 1px solid var(--h-line-cool);
}

.page-home .cover__fact-label {
  font-size: 13px;
  color: var(--mist);
}

.page-home .cover__fact-value,
.page-home .cover__copy {
  font-size: 15px;
  color: var(--gold);
  letter-spacing: 0.04em;
}

.page-home .cover__copy {
  position: relative;
  border: 1px solid rgba(242, 193, 78, 0.42);
  background: rgba(242, 193, 78, 0.08);
  padding: 4px 10px;
  cursor: pointer;
  font-family: var(--font-mono);
  transition: background 0.25s var(--ease), border-color 0.25s var(--ease);
}

.page-home .cover__copy:hover,
.page-home .cover__copy:focus-visible {
  background: rgba(242, 193, 78, 0.16);
  border-color: var(--gold-light);
}

.page-home .cover__copy .copyable__hint {
  display: block;
  font-size: 11px;
  letter-spacing: 0.08em;
  color: var(--mist);
}

.page-home .cover__copy.is-copied {
  border-color: var(--emerald);
  color: var(--emerald);
}

/* ---------- 版本数据条 ---------- */
.page-home .version-bar {
  position: relative;
  border-top: 1px solid var(--h-line);
  border-bottom: 1px solid var(--h-line);
  background: linear-gradient(90deg, rgba(19, 28, 60, 0.92), rgba(5, 10, 28, 0.94));
  overflow: hidden;
}

.page-home .version-bar__bg {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  opacity: 0.26;
}

.page-home .version-bar__grid {
  position: relative;
  z-index: 1;
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 20px 24px;
  padding-top: 26px;
  padding-bottom: 26px;
}

.page-home .version-bar__stat {
  display: grid;
  gap: 4px;
  padding-left: 14px;
  border-left: 1px solid rgba(242, 193, 78, 0.4);
}

.page-home .version-bar__stat .stat__value {
  font-size: clamp(22px, 3.4vw, 30px);
  color: var(--gold);
  line-height: 1.1;
}

.page-home .version-bar__stat .stat__label {
  font-size: 13px;
  line-height: 1.6;
  color: var(--mist);
}

/* ---------- 主体布局与目录 ---------- */
.page-home .home-body {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 0;
  padding-top: var(--h-section-gap);
  padding-bottom: var(--h-section-gap);
}

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

.page-home .toc__label {
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.24em;
  color: var(--sand);
  margin-bottom: 12px;
}

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

.page-home .section {
  padding: 0 0 var(--h-section-gap);
}

.page-home .section--tight {
  padding-bottom: 0;
}

.page-home .section-head {
  max-width: 42rem;
  margin-bottom: clamp(26px, 4vw, 40px);
}

.page-home .section-title {
  margin: 10px 0 0;
  font-family: var(--font-display);
  font-weight: 900;
  font-size: clamp(26px, 4.6vw, 38px);
  line-height: 1.22;
  letter-spacing: -0.01em;
  color: var(--white);
}

.page-home .section-note {
  margin: 14px 0 0;
  font-size: 15px;
  line-height: 1.8;
  color: var(--mist);
  max-width: 34em;
}

.page-home .eyebrow {
  margin: 0;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.26em;
  color: var(--gold);
}

/* ---------- 三条内容主线 ---------- */
.page-home .lines-grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 18px;
}

.page-home .line-panel {
  position: relative;
  display: grid;
  gap: 12px;
  padding: 26px 22px 24px;
  border: 1px solid var(--h-line-cool);
  background: var(--h-panel-bg);
  transition: border-color 0.3s var(--ease), transform 0.3s var(--ease), background 0.3s var(--ease);
}

.page-home .line-panel::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0;
  width: 3px;
  height: 0;
  background: linear-gradient(180deg, var(--gold-light), var(--magenta));
  transition: height 0.4s var(--ease);
}

.page-home .line-panel:hover,
.page-home .line-panel:focus-within {
  border-color: rgba(242, 193, 78, 0.6);
  transform: translateY(-4px);
}

.page-home .line-panel:hover::before,
.page-home .line-panel:focus-within::before {
  height: 100%;
}

.page-home .line-panel__index {
  font-size: 13px;
  color: var(--sand);
  letter-spacing: 0.1em;
}

.page-home .line-panel__title {
  margin: 0;
  font-size: 21px;
  line-height: 1.35;
  color: var(--white);
}

.page-home .line-panel__who {
  margin: 0;
  font-size: 13px;
  line-height: 1.7;
  color: var(--ice);
}

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

.page-home .line-panel .card__link {
  font-size: 14px;
  color: var(--gold);
  text-decoration: none;
  justify-self: start;
  border-bottom: 1px solid transparent;
  transition: border-color 0.25s var(--ease);
}

.page-home .line-panel .card__link:hover {
  border-color: var(--gold);
}

.page-home .lines-media {
  margin: 22px 0 0;
}

.page-home .lines-media img {
  display: block;
  width: 100%;
  height: auto;
  object-fit: cover;
  border: 1px solid var(--h-line-cool);
  filter: saturate(0.85);
}

.page-home .lines-media .media__caption,
.page-home .support-media .media__caption {
  margin-top: 10px;
  font-size: 13px;
  line-height: 1.7;
  color: rgba(201, 210, 227, 0.72);
}

/* ---------- 使用场景 ---------- */
.page-home .cap-grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 16px;
}

.page-home .cap-card {
  position: relative;
  padding: 24px 20px;
  border: 1px solid var(--h-line-cool);
  background: linear-gradient(180deg, rgba(19, 28, 60, 0.7), rgba(10, 18, 48, 0.42));
  transition: border-color 0.3s var(--ease), background 0.3s var(--ease);
}

.page-home .cap-card:nth-child(2) {
  border-top-color: rgba(226, 62, 140, 0.5);
}

.page-home .cap-card:nth-child(3) {
  border-top-color: rgba(25, 199, 155, 0.5);
}

.page-home .cap-card:nth-child(4) {
  border-top-color: rgba(127, 212, 255, 0.5);
}

.page-home .cap-card:hover {
  border-color: rgba(242, 193, 78, 0.55);
  background: linear-gradient(180deg, rgba(24, 34, 70, 0.85), rgba(10, 18, 48, 0.5));
}

.page-home .cap-card__num {
  display: block;
  font-size: 12px;
  letter-spacing: 0.2em;
  color: var(--gold);
}

.page-home .cap-card__title {
  margin: 10px 0 10px;
  font-size: 19px;
  line-height: 1.4;
  color: var(--white);
}

.page-home .cap-card p {
  margin: 0;
  font-size: 15px;
  line-height: 1.8;
  color: var(--mist);
}

.page-home .cap-side {
  margin-top: 22px;
  padding: 26px 22px;
  border: 1px solid var(--h-line);
  background:
    radial-gradient(90% 70% at 90% 0%, rgba(242, 193, 78, 0.12), transparent 62%),
    rgba(5, 10, 28, 0.7);
}

.page-home .cap-side__title {
  margin: 0 0 16px;
  font-size: 19px;
  color: var(--white);
}

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

.page-home .cap-side__list li {
  display: grid;
  grid-template-columns: auto minmax(0, 1fr);
  gap: 12px;
  align-items: baseline;
  font-size: 15px;
  line-height: 1.75;
  color: var(--mist);
  padding-bottom: 12px;
  border-bottom: 1px solid var(--h-line-cool);
}

.page-home .cap-side__num {
  color: var(--gold);
  font-size: 14px;
  letter-spacing: 0.04em;
}

.page-home .cap-side__note {
  margin: 16px 0 0;
  font-size: 14px;
  line-height: 1.8;
  color: rgba(201, 210, 227, 0.8);
}

.page-home .cap-side__note a {
  color: var(--ice);
  text-decoration: none;
  border-bottom: 1px solid rgba(127, 212, 255, 0.4);
}

.page-home .cap-side__note a:hover {
  border-color: var(--ice);
}

/* ---------- 更新节奏 ---------- */
.page-home .rhythm-layout {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 30px;
}

.page-home .timeline {
  position: relative;
  margin: 0;
  padding: 4px 0 0 28px;
  list-style: none;
}

.page-home .timeline::before {
  content: "";
  position: absolute;
  left: 7px;
  top: 8px;
  bottom: 20px;
  width: 1px;
  background: linear-gradient(180deg, var(--gold), rgba(226, 62, 140, 0.6), rgba(25, 199, 155, 0.4), transparent);
}

.page-home .timeline__item {
  position: relative;
  padding-bottom: 26px;
}

.page-home .timeline__item::before {
  content: "";
  position: absolute;
  left: -27px;
  top: 6px;
  width: 13px;
  height: 13px;
  border: 1px solid var(--gold);
  background: var(--abyss);
  transform: rotate(45deg);
}

.page-home .timeline__title {
  margin: 12px 0 6px;
  font-size: 19px;
  color: var(--white);
}

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

.page-home .log-tabs {
  border: 1px solid var(--h-line-cool);
  background: linear-gradient(180deg, rgba(19, 28, 60, 0.78), rgba(5, 10, 28, 0.66));
  padding: 18px 18px 20px;
}

.page-home .log-tabs .tablist {
  position: relative;
  display: flex;
  gap: 4px;
  overflow-x: auto;
  border-bottom: 1px solid var(--h-line-cool);
  padding-bottom: 10px;
}

.page-home .log-tabs .tab {
  flex: none;
  padding: 8px 12px;
  border: 1px solid transparent;
  background: transparent;
  color: var(--mist);
  font-family: var(--font-body);
  font-size: 14px;
  cursor: pointer;
  transition: color 0.25s var(--ease), border-color 0.25s var(--ease);
}

.page-home .log-tabs .tab[aria-selected="true"] {
  color: var(--gold);
  border-color: rgba(242, 193, 78, 0.42);
  background: rgba(242, 193, 78, 0.08);
}

.page-home .log-tabs .tablist__ink {
  position: absolute;
  left: 0;
  bottom: -1px;
  height: 2px;
  width: 0;
  background: var(--gold);
}

.page-home .log-panel {
  padding-top: 18px;
}

.page-home .log-panel[hidden],
.page-home .log-panel[aria-hidden="true"] {
  display: none;
}

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

.page-home .log-list li {
  display: grid;
  grid-template-columns: auto minmax(0, 1fr);
  gap: 12px;
  align-items: baseline;
  padding-bottom: 12px;
  border-bottom: 1px solid var(--h-line-cool);
  font-size: 14px;
  line-height: 1.75;
  color: var(--mist);
}

.page-home .log-list__ver {
  color: var(--magenta);
  font-size: 12px;
  letter-spacing: 0.06em;
  white-space: nowrap;
}

.page-home .log-note {
  margin: 16px 0 0;
  font-size: 13px;
  line-height: 1.7;
  color: rgba(201, 210, 227, 0.72);
}

.page-home .log-more {
  margin: 18px 0 0;
  font-size: 14px;
  line-height: 1.7;
  color: var(--mist);
}

.page-home .log-more a {
  color: var(--ice);
  text-decoration: none;
  border-bottom: 1px solid rgba(127, 212, 255, 0.4);
}

/* ---------- 客服通道 ---------- */
.page-home .support-layout {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 26px;
}

.page-home .support-steps {
  display: grid;
  gap: 14px;
}

.page-home .step {
  display: grid;
  grid-template-columns: auto minmax(0, 1fr);
  gap: 16px;
  padding: 22px 20px;
  border: 1px solid var(--h-line-cool);
  background: var(--h-panel-bg);
}

.page-home .step__num {
  font-size: 26px;
  line-height: 1;
  color: var(--gold);
  letter-spacing: 0.02em;
}

.page-home .step__title {
  margin: 0 0 8px;
  font-size: 19px;
  color: var(--white);
}

.page-home .step__body p {
  margin: 0 0 12px;
  font-size: 15px;
  line-height: 1.8;
  color: var(--mist);
}

.page-home .step__body .card__link {
  font-size: 14px;
  color: var(--gold);
  text-decoration: none;
  border-bottom: 1px solid transparent;
  transition: border-color 0.25s var(--ease);
}

.page-home .step__body .card__link:hover {
  border-color: var(--gold);
}

.page-home .support-media {
  margin: 0;
}

.page-home .support-media img {
  display: block;
  width: 100%;
  height: auto;
  object-fit: cover;
  border: 1px solid var(--h-line-cool);
}

/* ---------- 常见疑问 ---------- */
.page-home .accordion {
  border-top: 1px solid var(--h-line);
}

.page-home .accordion__heading {
  margin: 0;
  font-size: inherit;
}

.page-home .accordion__item {
  border-bottom: 1px solid var(--h-line-cool);
}

.page-home .accordion__trigger {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  width: 100%;
  padding: 18px 2px;
  border: 0;
  background: transparent;
  color: var(--white);
  font-family: var(--font-body);
  font-size: 17px;
  line-height: 1.5;
  text-align: left;
  cursor: pointer;
  transition: color 0.25s var(--ease);
}

.page-home .accordion__trigger:hover,
.page-home .accordion__trigger:focus-visible {
  color: var(--gold);
}

.page-home .accordion__icon {
  position: relative;
  flex: none;
  width: 14px;
  height: 14px;
  border: 1px solid rgba(242, 193, 78, 0.5);
}

.page-home .accordion__icon::before,
.page-home .accordion__icon::after {
  content: "";
  position: absolute;
  background: var(--gold);
}

.page-home .accordion__icon::before {
  left: 2px;
  right: 2px;
  top: 5px;
  height: 1px;
}

.page-home .accordion__icon::after {
  top: 2px;
  bottom: 2px;
  left: 5px;
  width: 1px;
  transition: opacity 0.25s var(--ease);
}

.page-home .accordion__trigger[aria-expanded="true"] .accordion__icon::after {
  opacity: 0;
}

.page-home .accordion__panel {
  padding: 0 2px 20px;
}

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

.page-home .faq-foot {
  margin-top: 30px;
  padding: 24px 22px;
  border: 1px solid var(--h-line);
  background:
    radial-gradient(80% 90% at 100% 0%, rgba(226, 62, 140, 0.12), transparent 60%),
    rgba(5, 10, 28, 0.66);
  display: grid;
  gap: 16px;
}

.page-home .faq-foot p {
  margin: 0;
  font-size: 15px;
  line-height: 1.8;
  color: var(--mist);
}

.page-home .faq-foot__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
}

/* ---------- 响应式 ---------- */
@media (min-width: 640px) {
  .page-home .version-bar__grid {
    grid-template-columns: repeat(4, minmax(0, 1fr));
  }

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

@media (min-width: 900px) {
  .page-home .cover__grid {
    grid-template-columns: minmax(0, 1.15fr) 46px minmax(0, 350px);
    gap: 34px;
    align-items: start;
  }

  .page-home .cover__note {
    display: block;
    align-self: stretch;
    margin-top: 6px;
  }

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

  .page-home .cap-grid {
    grid-template-columns: repeat(4, minmax(0, 1fr));
  }

  .page-home .rhythm-layout,
  .page-home .support-layout {
    grid-template-columns: minmax(0, 1fr) minmax(0, 1.1fr);
    gap: 40px;
    align-items: start;
  }

  .page-home .support-layout {
    grid-template-columns: minmax(0, 1.25fr) minmax(0, 0.9fr);
  }
}

@media (min-width: 1120px) {
  .page-home .home-body {
    grid-template-columns: 150px minmax(0, 1fr);
    gap: 0 48px;
  }

  .page-home .home-toc {
    display: grid;
    align-content: start;
    gap: 10px;
    position: sticky;
    top: calc(var(--header-h) + 28px);
    padding-top: 6px;
    border-left: 1px solid var(--h-line);
    padding-left: 16px;
  }

  .page-home .toc__link {
    font-size: 13px;
    line-height: 1.5;
    color: var(--mist);
    text-decoration: none;
    transition: color 0.25s var(--ease), padding-left 0.25s var(--ease);
  }

  .page-home .toc__link:hover,
  .page-home .toc__link:focus-visible {
    color: var(--gold);
    padding-left: 4px;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-home .line-panel,
  .page-home .cap-card,
  .page-home .cover__index a,
  .page-home .accordion__icon::after {
    transition: none;
  }

  .page-home .line-panel:hover,
  .page-home .line-panel:focus-within {
    transform: none;
  }
}