/* ===== 首页 · 湾区坐标 ===== */

.page-home {
  display: block;
}

/* ---------- 首屏 ---------- */

.page-home .home-hero {
  position: relative;
  overflow: hidden;
  background: var(--night);
  color: var(--mist);
  border-bottom: 1px solid var(--line);
}

.page-home .home-hero::before {
  content: "";
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(to right, rgba(200, 162, 76, 0.09) 1px, transparent 1px),
    linear-gradient(to bottom, rgba(200, 162, 76, 0.09) 1px, transparent 1px);
  background-size: 48px 48px;
  pointer-events: none;
}

.page-home .home-hero__grid {
  position: relative;
  display: grid;
  grid-template-columns: 1fr;
  gap: 36px;
  padding-block: clamp(40px, 8vw, 84px) clamp(48px, 9vw, 100px);
}

.page-home .home-hero__ctx {
  margin: 0 0 20px;
  font-family: var(--mono);
  font-size: 13px;
  letter-spacing: 0.08em;
  color: var(--stone);
}

.page-home .home-hero__title {
  margin: 0;
  font-size: clamp(32px, 7vw, 56px);
  line-height: 1.06;
  letter-spacing: -0.02em;
  font-weight: 900;
  color: var(--mist);
}

.page-home .home-hero__title span {
  display: block;
  margin-block-start: 12px;
  padding-inline-start: 14px;
  border-inline-start: 3px solid var(--deep-red);
  font-size: clamp(17px, 3.4vw, 24px);
  font-weight: 500;
  line-height: 1.5;
  letter-spacing: 0;
  color: var(--gold);
}

.page-home .home-hero__lede {
  max-width: 34em;
  margin: 24px 0 0;
  font-size: 17px;
  line-height: 1.75;
  color: rgba(240, 244, 248, 0.86);
}

.page-home .home-hero__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-block-start: 30px;
}

.page-home .home-hero__facts {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 1px;
  margin: 38px 0 0;
  padding: 0;
  background: var(--line-soft);
  border: 1px solid var(--line-soft);
}

.page-home .home-hero__fact {
  background: var(--trench);
  padding: 16px 14px;
}

.page-home .home-hero__fact dt {
  font-size: 12px;
  letter-spacing: 0.08em;
  color: var(--stone);
}

.page-home .home-hero__fact dd {
  margin: 6px 0 0;
  font-family: var(--mono);
  font-size: 22px;
  font-weight: 700;
  color: var(--mist);
}

.page-home .home-hero__visual {
  position: relative;
  min-height: 260px;
  overflow: hidden;
  border: 1px solid var(--line);
  clip-path: polygon(0 0, calc(100% - var(--cut)) 0, 100% var(--cut), 100% 100%, 0 100%);
}

.page-home .home-hero__img {
  display: block;
  width: 100%;
  height: 100%;
  min-height: 260px;
  object-fit: cover;
  filter: saturate(0.85) brightness(0.62) contrast(1.08);
}

.page-home .home-hero__svg {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  pointer-events: none;
}

.page-home .home-hero__cap {
  position: absolute;
  inset-inline-start: 0;
  inset-block-end: 0;
  margin: 0;
  padding: 10px 16px;
  background: var(--deep-red);
  font-family: var(--mono);
  font-size: 12px;
  letter-spacing: 0.08em;
  color: var(--mist);
}

/* ---------- 通用区块头 ---------- */

.page-home .home-head {
  margin-block-end: clamp(28px, 5vw, 46px);
}

.page-home .home-head__index {
  margin: 0 0 14px;
  font-family: var(--mono);
  font-size: 13px;
  letter-spacing: 0.14em;
  color: var(--deep-red);
}

.page-home .home-head__title {
  margin: 0;
  max-width: 20em;
  font-size: clamp(25px, 4.4vw, 40px);
  line-height: 1.18;
  letter-spacing: -0.02em;
  font-weight: 900;
  color: var(--mist);
}

.page-home .home-head__lede {
  max-width: 36em;
  margin: 18px 0 0;
  font-size: 17px;
  line-height: 1.75;
  color: var(--stone);
}

/* ---------- 设备分流 ---------- */

.page-home .home-devices {
  background: var(--trench);
  color: var(--mist);
  padding-block: clamp(56px, 9vw, 104px);
  border-bottom: 1px solid var(--line);
}

.page-home .home-devices .home-head__index {
  color: var(--gold);
}

.page-home .home-switch {
  position: relative;
  display: flex;
  flex-direction: column;
  gap: 32px;
}

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

.page-home .home-switch__tabs {
  position: relative;
  display: grid;
  grid-template-columns: 1fr 1fr;
  width: min(100%, 420px);
  border: 1px solid var(--line);
  background: var(--night);
}

.page-home .home-switch__slider {
  position: absolute;
  inset: 0 50% 0 0;
  background: var(--deep-red);
  transition: transform 180ms var(--ease);
}

.page-home .home-switch__tab {
  position: relative;
  z-index: 1;
  padding: 15px 10px;
  text-align: center;
  cursor: pointer;
  font-family: var(--mono);
  font-size: 13px;
  letter-spacing: 0.1em;
  color: var(--stone);
  transition: color 180ms var(--ease);
}

.page-home .home-switch__input:focus-visible ~ .home-switch__tabs {
  outline: 2px solid var(--neon);
  outline-offset: 3px;
}

.page-home #home-dev-pc:checked ~ .home-switch__tabs .home-switch__tab--pc,
.page-home #home-dev-android:checked ~ .home-switch__tabs .home-switch__tab--android {
  color: var(--mist);
}

.page-home #home-dev-android:checked ~ .home-switch__tabs .home-switch__slider {
  transform: translateX(100%);
}

.page-home .home-switch__panels {
  display: block;
}

.page-home .home-switch__panels > .home-switch__panel {
  display: none;
  gap: clamp(22px, 4vw, 44px);
  align-items: center;
}

.page-home #home-dev-pc:checked ~ .home-switch__panels > .home-switch__panel--pc,
.page-home #home-dev-android:checked ~ .home-switch__panels > .home-switch__panel--android {
  display: grid;
}

.page-home .home-shot {
  position: relative;
  margin: 0;
  overflow: hidden;
  border: 1px solid var(--line);
  background: var(--night);
  clip-path: polygon(0 0, calc(100% - var(--cut)) 0, 100% var(--cut), 100% 100%, 0 100%);
}

.page-home .home-shot img {
  display: block;
  width: 100%;
  height: auto;
  aspect-ratio: 3 / 2;
  object-fit: cover;
  filter: saturate(0.8) brightness(0.78);
}

.page-home .home-shot--tall img {
  aspect-ratio: 3 / 4;
}

.page-home .home-shot__title {
  margin: 14px 0 0;
  font-size: clamp(20px, 3.2vw, 26px);
  line-height: 1.3;
  font-weight: 900;
  letter-spacing: -0.01em;
  color: var(--mist);
}

.page-home .home-shot__text {
  margin: 14px 0 0;
  font-size: 16px;
  line-height: 1.75;
  color: var(--stone);
}

.page-home .home-steps {
  margin: 22px 0 0;
  padding: 0;
  list-style: none;
  display: grid;
  gap: 12px;
}

.page-home .home-steps li {
  display: grid;
  grid-template-columns: 34px 1fr;
  align-items: baseline;
  gap: 10px;
  padding-block-end: 12px;
  border-bottom: 1px solid var(--line-soft);
  font-size: 15px;
  line-height: 1.7;
  color: rgba(240, 244, 248, 0.88);
}

.page-home .home-steps__no {
  font-family: var(--mono);
  font-size: 13px;
  color: var(--gold);
}

.page-home .home-shot__path {
  margin: 18px 0 0;
  font-family: var(--mono);
  font-size: 13px;
  letter-spacing: 0.04em;
  color: var(--neon);
}

/* ---------- 新旧对照 ---------- */

.page-home .home-map {
  background: var(--warm);
  color: var(--ink);
  padding-block: clamp(56px, 9vw, 104px);
}

.page-home .home-map .home-head__index {
  color: var(--teal);
}

.page-home .home-map .home-head__title {
  color: var(--night);
}

.page-home .home-map .home-head__lede {
  color: rgba(34, 48, 60, 0.75);
}

.page-home .home-map__board {
  display: grid;
  grid-template-columns: 1fr;
  gap: 20px;
  padding: clamp(22px, 4vw, 40px);
  background: var(--mist);
  border: 1px solid rgba(200, 162, 76, 0.5);
  clip-path: polygon(0 0, calc(100% - var(--cut)) 0, 100% var(--cut), 100% 100%, 0 100%);
}

.page-home .home-map__side {
  padding: 6px 0;
}

.page-home .home-map__label {
  margin: 0;
  font-family: var(--mono);
  font-size: 13px;
  letter-spacing: 0.1em;
  color: var(--ink);
  opacity: 0.66;
}

.page-home .home-map__num {
  margin: 10px 0 0;
  font-family: var(--mono);
  font-size: clamp(38px, 8vw, 60px);
  font-weight: 700;
  line-height: 1;
  letter-spacing: -0.03em;
  color: var(--deep-red);
}

.page-home .home-map__side--new .home-map__num {
  color: var(--teal);
}

.page-home .home-map__desc {
  max-width: 26em;
  margin: 14px 0 0;
  font-size: 15px;
  line-height: 1.75;
  color: rgba(34, 48, 60, 0.8);
}

.page-home .home-map__rail {
  display: flex;
  align-items: center;
  gap: 10px;
  padding-block: 4px;
}

.page-home .home-map__rail::before {
  content: "";
  flex: 1;
  height: 1px;
  background: linear-gradient(to right, rgba(200, 162, 76, 0.2), var(--gold), rgba(200, 162, 76, 0.2));
}

.page-home .home-map__node {
  width: 7px;
  height: 7px;
  flex: none;
  background: var(--gold);
  transform: rotate(45deg);
}

.page-home .home-map__note {
  max-width: 40em;
  margin: 28px 0 26px;
  font-size: 16px;
  line-height: 1.75;
  color: rgba(34, 48, 60, 0.8);
}

/* ---------- 资料下载 ---------- */

.page-home .home-docs {
  background: var(--night);
  color: var(--mist);
  padding-block: clamp(56px, 9vw, 104px);
  border-bottom: 1px solid var(--line);
}

.page-home .home-docs__grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 36px;
  align-items: start;
}

.page-home .home-docs .home-head__index {
  margin: 0 0 14px;
  font-family: var(--mono);
  font-size: 13px;
  letter-spacing: 0.14em;
  color: var(--gold);
}

.page-home .home-docs__lede {
  max-width: 34em;
  margin: 18px 0 0;
  font-size: 17px;
  line-height: 1.75;
  color: var(--stone);
}

.page-home .home-docs__cats {
  margin: 28px 0 0;
  padding: 0;
  list-style: none;
  border-top: 1px solid var(--line-soft);
}

.page-home .home-docs__cat {
  display: grid;
  grid-template-columns: 34px 1fr;
  align-items: baseline;
  gap: 4px 12px;
  padding-block: 14px;
  border-bottom: 1px solid var(--line-soft);
}

.page-home .home-docs__catno {
  grid-row: span 2;
  font-family: var(--mono);
  font-size: 13px;
  color: var(--gold);
}

.page-home .home-docs__catname {
  font-size: 17px;
  font-weight: 700;
  color: var(--mist);
}

.page-home .home-docs__cathint {
  grid-column: 2;
  font-family: var(--mono);
  font-size: 12.5px;
  letter-spacing: 0.03em;
  color: var(--stone);
}

.page-home .home-docs__meta {
  max-width: 34em;
  margin: 24px 0 26px;
  font-size: 15px;
  line-height: 1.75;
  color: var(--stone);
}

.page-home .home-docs__figure {
  position: relative;
  margin: 0;
  overflow: hidden;
  border: 1px solid var(--line);
  clip-path: polygon(0 0, 100% 0, 100% 100%, var(--cut) 100%, 0 calc(100% - var(--cut)));
}

.page-home .home-docs__figure img {
  display: block;
  width: 100%;
  height: auto;
  aspect-ratio: 14 / 9;
  object-fit: cover;
  filter: saturate(0.8) brightness(0.72);
}

.page-home .home-docs__figcap {
  position: absolute;
  inset-inline-start: 0;
  inset-block-end: 0;
  margin: 0;
  padding: 10px 16px;
  background: var(--teal);
  font-family: var(--mono);
  font-size: 12px;
  letter-spacing: 0.08em;
  color: var(--mist);
}

/* ---------- 栏目总览折叠 ---------- */

.page-home .home-index {
  background: var(--trench);
  color: var(--mist);
  padding-block: clamp(56px, 9vw, 100px);
  border-bottom: 1px solid var(--line);
}

.page-home .home-index .home-head__index {
  color: var(--gold);
}

.page-home .home-index__list {
  border-top: 1px solid var(--line);
}

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

.page-home .home-index__item .fold__summary {
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  justify-content: space-between;
  gap: 8px 18px;
  padding-block: 20px;
  cursor: pointer;
  list-style: none;
}

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

.page-home .home-index__name {
  font-size: clamp(19px, 3.2vw, 24px);
  font-weight: 900;
  letter-spacing: -0.01em;
  color: var(--mist);
}

.page-home .home-index__item[open] .home-index__name {
  color: var(--gold);
}

.page-home .home-index__path {
  font-family: var(--mono);
  font-size: 12.5px;
  letter-spacing: 0.04em;
  color: var(--stone);
}

.page-home .home-index__item .fold__body {
  padding-block-end: 22px;
  padding-inline-end: clamp(0px, 8vw, 120px);
}

.page-home .home-index__item .fold__body p {
  max-width: 40em;
  margin: 0;
  font-size: 16px;
  line-height: 1.8;
  color: rgba(240, 244, 248, 0.84);
}

/* ---------- 服务支持 ---------- */

.page-home .home-support {
  position: relative;
  background: var(--deep-red);
  color: var(--mist);
  padding-block: clamp(52px, 8vw, 96px);
  overflow: hidden;
}

.page-home .home-support::after {
  content: "";
  position: absolute;
  inset-block-start: 0;
  inset-inline-end: 0;
  width: min(46vw, 460px);
  height: 100%;
  background: conic-gradient(from 210deg at 100% 0%, rgba(200, 162, 76, 0.34), transparent 62%);
  pointer-events: none;
}

.page-home .home-support__grid {
  position: relative;
  display: grid;
  grid-template-columns: 1fr;
  gap: 34px;
}

.page-home .home-support .home-head__index {
  margin: 0 0 14px;
  font-family: var(--mono);
  font-size: 13px;
  letter-spacing: 0.14em;
  color: var(--gold);
}

.page-home .home-support .home-head__title {
  margin: 0;
  font-size: clamp(25px, 4.4vw, 40px);
  line-height: 1.18;
  letter-spacing: -0.02em;
  font-weight: 900;
  color: var(--mist);
}

.page-home .home-support__lede {
  max-width: 34em;
  margin: 18px 0 0;
  font-size: 17px;
  line-height: 1.75;
  color: rgba(240, 244, 248, 0.88);
}

.page-home .home-support__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-block-start: 28px;
}

.page-home .home-support__actions .btn--primary {
  background: var(--night);
  border-color: var(--night);
  color: var(--mist);
}

.page-home .home-support__actions .btn--ghost {
  border-color: rgba(240, 244, 248, 0.5);
  color: var(--mist);
}

.page-home .home-support__aside {
  padding: 24px;
  background: rgba(10, 26, 42, 0.42);
  border: 1px solid rgba(200, 162, 76, 0.42);
  clip-path: polygon(0 0, calc(100% - var(--cut)) 0, 100% var(--cut), 100% 100%, 0 100%);
}

.page-home .home-support__aside-label {
  margin: 0 0 16px;
  font-family: var(--mono);
  font-size: 13px;
  letter-spacing: 0.12em;
  color: var(--gold);
}

.page-home .home-support__links {
  margin: 0;
  padding: 0;
  list-style: none;
  display: grid;
  gap: 14px;
}

.page-home .home-support__links a {
  display: block;
  padding-block-end: 12px;
  border-bottom: 1px solid rgba(240, 244, 248, 0.18);
  font-size: 15.5px;
  line-height: 1.6;
  color: var(--mist);
  text-decoration: none;
  transition: color 160ms var(--ease);
}

.page-home .home-support__links a:hover,
.page-home .home-support__links a:focus-visible {
  color: var(--neon);
}

/* ---------- 响应式 ---------- */

@media (min-width: 720px) {
  .page-home .home-map__board {
    grid-template-columns: minmax(0, 5fr) minmax(0, 1fr) minmax(0, 6fr);
    align-items: center;
  }

  .page-home .home-map__rail {
    flex-direction: column;
    align-self: stretch;
    padding-block: 0;
    padding-inline: 14px;
  }

  .page-home .home-map__rail::before {
    content: "";
    flex: 1;
    width: 1px;
    height: auto;
    background: linear-gradient(to bottom, rgba(200, 162, 76, 0.2), var(--gold), rgba(200, 162, 76, 0.2));
  }

  .page-home .home-support__grid {
    grid-template-columns: minmax(0, 7fr) minmax(0, 5fr);
    gap: clamp(32px, 5vw, 68px);
    align-items: start;
  }
}

@media (min-width: 960px) {
  .page-home .home-hero__grid {
    grid-template-columns: minmax(0, 5fr) minmax(0, 7fr);
    gap: clamp(34px, 5vw, 76px);
    align-items: center;
  }

  .page-home .home-hero__visual {
    min-height: 440px;
  }

  .page-home .home-hero__img {
    min-height: 440px;
  }

  .page-home .home-switch__panels > .home-switch__panel {
    grid-template-columns: minmax(0, 7fr) minmax(0, 5fr);
  }

  .page-home .home-switch__panel--android {
    grid-template-columns: minmax(0, 5fr) minmax(0, 7fr);
  }

  .page-home .home-switch__panel--android .home-shot {
    order: -1;
  }

  .page-home .home-docs__grid {
    grid-template-columns: minmax(0, 5fr) minmax(0, 7fr);
    gap: clamp(32px, 5vw, 72px);
    align-items: center;
  }
}

@media (min-width: 1200px) {
  .page-home .home-index__item .fold__summary {
    padding-block: 24px;
  }

  .page-home .home-docs__cats {
    margin-block-start: 32px;
  }
}

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