/* ================= 首页 · 入口导航 ================= */
.page-home {
  --home-gap: clamp(14px, 1.8vw, 20px);
  --home-pad: clamp(18px, 2.4vw, 28px);
  --home-soft: #A8B9C7;
  --home-dark-soft: #4A5B68;
}

/* ---------- 首屏 ---------- */
.page-home .hero-zone {
  padding: clamp(22px, 3vw, 34px) 0 clamp(38px, 5vw, 64px);
}

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

.page-home .hero-intro {
  max-width: 42rem;
}

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

.page-home h1 {
  margin: 10px 0 14px;
  font-family: var(--font-display);
  font-weight: 800;
  letter-spacing: 0.04em;
  line-height: 1.15;
  font-size: clamp(30px, 5.2vw, 56px);
  color: #FFFFFF;
}

.page-home .hero-lead {
  margin: 0;
  max-width: 34em;
  color: var(--home-soft);
  font-size: 17px;
  line-height: 1.8;
}

.page-home .hero-bento {
  display: grid;
  gap: var(--home-gap);
  margin-top: 30px;
}

.page-home .hero-paths {
  display: flex;
  flex-direction: column;
  gap: 18px;
}

.page-home .hero-paths__head h2 {
  margin: 0 0 6px;
  font-family: var(--font-display);
  font-weight: 800;
  letter-spacing: 0.04em;
  line-height: 1.15;
  font-size: clamp(21px, 2.4vw, 26px);
  color: #FFFFFF;
}

.page-home .hero-paths__head p {
  margin: 0;
  color: var(--home-soft);
  font-size: 15px;
  line-height: 1.7;
}

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

.page-home .path-item {
  position: relative;
  padding: 16px 18px 16px 56px;
  background: rgba(255, 255, 255, 0.045);
  border-left: 3px solid var(--cyan);
  clip-path: polygon(var(--cut) 0, 100% 0, 100% calc(100% - var(--cut)), calc(100% - var(--cut)) 100%, 0 100%, 0 var(--cut));
  transition: background var(--dur) var(--ease), transform var(--dur) var(--ease);
}

.page-home .path-item:hover,
.page-home .path-item:focus-within {
  background: rgba(53, 224, 214, 0.11);
  transform: translateY(-2px);
}

.page-home .path-item__idx {
  position: absolute;
  left: 16px;
  top: 17px;
  font-family: var(--font-mono);
  font-size: 15px;
  color: var(--amber);
  letter-spacing: 0.04em;
}

.page-home .path-item__title {
  margin: 0 0 6px;
  font-family: var(--font-display);
  font-weight: 700;
  letter-spacing: 0.03em;
  font-size: 18px;
  line-height: 1.3;
  color: #FFFFFF;
}

.page-home .path-item__desc {
  margin: 0 0 8px;
  color: var(--home-soft);
  font-size: 15px;
  line-height: 1.75;
}

.page-home .path-item__meta {
  margin: 0 0 12px;
  font-family: var(--font-mono);
  font-size: 12.5px;
  letter-spacing: 0.04em;
  color: var(--amber);
}

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

.page-home .hero-shot {
  margin: 0;
}

.page-home .hero-side__row {
  display: grid;
  gap: var(--home-gap);
  grid-template-columns: 1fr;
}

.page-home .hero-edition {
  display: flex;
  flex-direction: column;
  gap: 6px;
  background: var(--indigo);
}

.page-home .hero-edition__num {
  margin: 0;
  font-family: var(--font-mono);
  font-weight: 700;
  font-size: clamp(56px, 8vw, 96px);
  line-height: 0.95;
  letter-spacing: -0.02em;
  color: var(--amber);
}

.page-home .hero-edition__txt {
  margin: 0;
  font-size: 14px;
  line-height: 1.7;
  color: var(--home-soft);
}

.page-home .hero-sub {
  display: flex;
  flex-direction: column;
  gap: 10px;
  background: var(--wine);
}

.page-home .hero-sub__txt {
  margin: 0;
  font-size: 15px;
  line-height: 1.7;
  color: #F3DCE3;
}

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

/* ---------- 栏目索引 ---------- */
.page-home .index-zone {
  padding: clamp(38px, 5vw, 64px) 0;
}

.page-home .zone-head {
  max-width: 44rem;
  margin-bottom: 26px;
}

.page-home .zone-head h2 {
  margin: 8px 0 10px;
  font-family: var(--font-display);
  font-weight: 800;
  letter-spacing: 0.04em;
  line-height: 1.15;
  font-size: clamp(24px, 3.4vw, 34px);
  color: #FFFFFF;
}

.page-home .zone-head p {
  margin: 0;
  color: var(--home-soft);
  font-size: 16px;
  line-height: 1.8;
}

.page-home .trail-band {
  margin: 0 0 26px;
}

.page-home .index-grid {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 1px;
  grid-template-columns: 1fr;
  background: rgba(221, 231, 236, 0.16);
  border: 1px solid rgba(221, 231, 236, 0.16);
}

.page-home .index-cell {
  background: var(--indigo);
}

.page-home .index-cell__link {
  display: flex;
  flex-direction: column;
  gap: 7px;
  padding: 20px 20px 22px;
  height: 100%;
  text-decoration: none;
  transition: background var(--dur) var(--ease), box-shadow var(--dur) var(--ease);
}

.page-home .index-cell__link:hover,
.page-home .index-cell__link:focus-visible {
  background: rgba(53, 224, 214, 0.1);
  box-shadow: inset 3px 0 0 var(--cyan);
}

.page-home .index-cell__idx {
  font-family: var(--font-mono);
  font-size: 13px;
  letter-spacing: 0.1em;
  color: var(--amber);
}

.page-home .index-cell__name {
  font-family: var(--font-display);
  font-weight: 700;
  letter-spacing: 0.04em;
  font-size: 19px;
  line-height: 1.3;
  color: #FFFFFF;
}

.page-home .index-cell__desc {
  font-size: 14.5px;
  line-height: 1.7;
  color: var(--home-soft);
}

.page-home .index-cell__go {
  margin-top: auto;
  padding-top: 8px;
  font-family: var(--font-mono);
  font-size: 12.5px;
  letter-spacing: 0.08em;
  color: var(--cyan);
}

/* ---------- 订阅状态 ---------- */
.page-home .status-zone {
  padding: clamp(38px, 5vw, 64px) 0;
}

.page-home .status-split {
  display: grid;
  gap: clamp(20px, 3vw, 34px);
  grid-template-columns: 1fr;
  align-items: center;
}

.page-home .status-shot {
  margin: 0;
}

.page-home .status-copy h2 {
  margin: 8px 0 12px;
  font-family: var(--font-display);
  font-weight: 800;
  letter-spacing: 0.04em;
  line-height: 1.15;
  font-size: clamp(24px, 3.4vw, 34px);
  color: #FFFFFF;
}

.page-home .status-lead {
  margin: 0 0 20px;
  max-width: 32em;
  color: var(--home-soft);
  font-size: 16px;
  line-height: 1.8;
}

.page-home .status-list {
  list-style: none;
  margin: 0 0 24px;
  padding: 0;
  display: grid;
  gap: 12px;
}

.page-home .status-line {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 10px;
  padding-bottom: 12px;
  border-bottom: 1px solid rgba(221, 231, 236, 0.14);
}

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

.page-home .status-line__name {
  font-family: var(--font-display);
  font-weight: 700;
  letter-spacing: 0.03em;
  font-size: 16px;
  color: #FFFFFF;
}

.page-home .status-line__txt {
  flex: 1 1 200px;
  font-size: 14.5px;
  line-height: 1.7;
  color: var(--home-soft);
}

/* ---------- 版本脉络 ---------- */
.page-home .version-zone {
  position: relative;
  overflow: hidden;
  padding: clamp(38px, 5vw, 64px) 0;
}

.page-home .version-backdrop {
  position: absolute;
  inset: 0;
  margin: 0;
  opacity: 0.2;
  pointer-events: none;
}

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

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

.page-home .version-list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 14px;
  grid-template-columns: 1fr;
}

.page-home .version-item {
  position: relative;
  padding: 18px 20px 18px 84px;
  background: rgba(255, 255, 255, 0.04);
  clip-path: polygon(var(--cut) 0, 100% 0, 100% calc(100% - var(--cut)), calc(100% - var(--cut)) 100%, 0 100%, 0 var(--cut));
  transition: background var(--dur) var(--ease);
}

.page-home .version-item::before {
  content: "";
  position: absolute;
  left: 62px;
  top: 0;
  bottom: 0;
  width: 1px;
  background: rgba(53, 224, 214, 0.35);
}

.page-home .version-item::after {
  content: "";
  position: absolute;
  left: 58px;
  top: 26px;
  width: 9px;
  height: 9px;
  border-radius: 50%;
  background: var(--muted);
  transition: background var(--dur) var(--ease), box-shadow var(--dur) var(--ease);
}

.page-home .version-item:hover {
  background: rgba(53, 224, 214, 0.09);
}

.page-home .version-item:hover::after {
  background: var(--cyan);
  box-shadow: 0 0 0 4px rgba(53, 224, 214, 0.18);
}

.page-home .version-item.is-current::after {
  background: var(--amber);
}

.page-home .version-item__num {
  position: absolute;
  left: 18px;
  top: 14px;
  font-family: var(--font-mono);
  font-weight: 700;
  font-size: 30px;
  line-height: 1;
  letter-spacing: -0.02em;
  color: rgba(168, 185, 199, 0.55);
}

.page-home .version-item.is-current .version-item__num {
  color: var(--amber);
}

.page-home .version-item__era {
  margin: 0 0 6px;
  font-family: var(--font-mono);
  font-size: 13px;
  letter-spacing: 0.08em;
  color: var(--cyan);
}

.page-home .version-item__txt {
  margin: 0;
  font-size: 15px;
  line-height: 1.75;
  color: var(--home-soft);
}

/* ---------- 入口问题（浅色） ---------- */
.page-home .qa-zone {
  padding: clamp(38px, 5vw, 64px) 0;
}

.page-home .qa-zone .zone-head h2 {
  color: var(--text-dark);
}

.page-home .qa-zone .zone-head p {
  color: var(--home-dark-soft);
}

.page-home .qa-zone .eyebrow {
  color: var(--cyan-deep);
}

.page-home .qa-grid {
  display: grid;
  gap: 12px;
  grid-template-columns: 1fr;
}

.page-home .qa-item {
  background: #FFFFFF;
  border: 1px solid var(--line);
  clip-path: polygon(var(--cut) 0, 100% 0, 100% calc(100% - var(--cut)), calc(100% - var(--cut)) 100%, 0 100%, 0 var(--cut));
  transition: border-color var(--dur) var(--ease), background var(--dur) var(--ease);
}

.page-home .qa-item:hover {
  border-color: var(--cyan-deep);
}

.page-home .qa-item summary {
  position: relative;
  display: block;
  padding: 16px 48px 16px 18px;
  cursor: pointer;
  list-style: none;
  font-family: var(--font-display);
  font-weight: 700;
  letter-spacing: 0.03em;
  font-size: 16.5px;
  line-height: 1.4;
  color: var(--text-dark);
}

.page-home .qa-item summary::-webkit-details-marker {
  display: none;
}

.page-home .qa-item summary::after {
  content: "+";
  position: absolute;
  right: 18px;
  top: 50%;
  transform: translateY(-50%);
  font-family: var(--font-mono);
  font-size: 20px;
  line-height: 1;
  color: var(--cyan-deep);
}

.page-home .qa-item[open] summary::after {
  content: "\2212";
}

.page-home .qa-item p {
  margin: 0;
  padding: 0 18px 6px;
  font-size: 15px;
  line-height: 1.8;
  color: var(--home-dark-soft);
}

.page-home .qa-item__go {
  display: inline-block;
  margin: 6px 18px 18px;
  font-family: var(--font-mono);
  font-size: 13px;
  letter-spacing: 0.06em;
  color: var(--cyan-deep);
  text-decoration: none;
  border-bottom: 1px solid currentColor;
  padding-bottom: 2px;
  transition: color var(--dur) var(--ease);
}

.page-home .qa-item__go:hover,
.page-home .qa-item__go:focus-visible {
  color: var(--text-dark);
}

/* ---------- 客服响应 ---------- */
.page-home .consult-zone {
  padding: clamp(38px, 5vw, 64px) 0;
}

.page-home .consult-grid {
  display: grid;
  gap: clamp(24px, 3.4vw, 44px);
  grid-template-columns: 1fr;
}

.page-home .consult-copy h2 {
  margin: 8px 0 14px;
  font-family: var(--font-display);
  font-weight: 800;
  letter-spacing: 0.04em;
  line-height: 1.15;
  font-size: clamp(24px, 3.4vw, 34px);
  color: #FFFFFF;
}

.page-home .consult-lead {
  margin: 0 0 14px;
  max-width: 32em;
  color: var(--home-soft);
  font-size: 16px;
  line-height: 1.8;
}

.page-home .consult-copy .btn {
  margin-top: 8px;
}

.page-home .consult-channels {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 1px;
  background: rgba(221, 231, 236, 0.16);
  border-top: 2px solid var(--amber);
}

.page-home .consult-channel {
  background: var(--ink);
  padding: 18px 4px 18px 0;
}

.page-home .consult-channel__label {
  margin: 0 0 6px;
  font-family: var(--font-mono);
  font-size: 12.5px;
  letter-spacing: 0.1em;
  color: var(--amber);
}

.page-home .consult-channel__value {
  margin: 0 0 4px;
  font-family: var(--font-display);
  font-weight: 700;
  letter-spacing: 0.02em;
  font-size: 17px;
  line-height: 1.5;
  color: #FFFFFF;
  word-break: break-word;
}

.page-home .consult-channel__note {
  margin: 0;
  font-size: 13.5px;
  line-height: 1.7;
  color: var(--muted);
}

/* ---------- 响应式 ---------- */
@media (min-width: 620px) {
  .page-home .hero-side__row {
    grid-template-columns: 1fr 1fr;
  }

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

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

  .page-home .version-list {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (min-width: 940px) {
  .page-home .hero-bento {
    grid-template-columns: 1.12fr 1fr;
    align-items: start;
  }

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

  .page-home .status-split {
    grid-template-columns: 5fr 7fr;
  }

  .page-home .version-list {
    grid-template-columns: repeat(4, 1fr);
  }

  .page-home .version-item {
    padding: 74px 20px 20px;
  }

  .page-home .version-item::before {
    left: 20px;
    right: 20px;
    top: 52px;
    bottom: auto;
    width: auto;
    height: 1px;
  }

  .page-home .version-item::after {
    left: 20px;
    top: 48px;
  }

  .page-home .version-item__num {
    left: 20px;
    top: 16px;
  }

  .page-home .consult-grid {
    grid-template-columns: 1fr 1fr;
    align-items: start;
  }

  .page-home .consult-channels {
    grid-template-columns: 1fr 1fr;
  }

  .page-home .consult-channel:first-child {
    grid-column: 1 / -1;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-home .path-item,
  .page-home .index-cell__link,
  .page-home .version-item,
  .page-home .qa-item,
  .page-home .qa-item__go {
    transition: none;
  }

  .page-home .path-item:hover,
  .page-home .path-item:focus-within {
    transform: none;
  }
}