.page-home {
  --rail-w: 292px;
  --rail-dot: 9px;
  background: var(--ink);
  color: var(--paper);
  overflow-x: clip;
}

/* ---------- 首屏 ---------- */
.page-home .hero {
  position: relative;
  isolation: isolate;
  overflow: hidden;
  padding: clamp(26px, 5vw, 56px) 0 clamp(44px, 7vw, 92px);
  background: linear-gradient(178deg, var(--ink) 0%, var(--ink-soft) 62%, var(--ink) 100%);
}

.page-home .hero::before {
  content: "";
  position: absolute;
  inset: -14% -24% auto -24%;
  height: 86%;
  z-index: 0;
  pointer-events: none;
  background:
    linear-gradient(114deg, rgba(38, 38, 92, 0.92) 0%, rgba(38, 38, 92, 0) 56%),
    linear-gradient(296deg, rgba(11, 47, 50, 0.95) 0%, rgba(11, 47, 50, 0) 52%);
  clip-path: polygon(0 0, 100% 0, 100% 58%, 0 100%);
}

.page-home .hero::after {
  content: "";
  position: absolute;
  left: 0;
  right: 0;
  top: 0;
  height: 1px;
  z-index: 0;
  background: linear-gradient(90deg, transparent, rgba(57, 230, 223, 0.55), transparent);
}

.page-home .hero-glow {
  position: absolute;
  top: -18%;
  right: -14%;
  z-index: 0;
  width: min(820px, 78%);
  height: auto;
  max-width: none;
  opacity: 0.4;
  pointer-events: none;
  mask-image: radial-gradient(circle at 58% 44%, #000 0 38%, transparent 76%);
  -webkit-mask-image: radial-gradient(circle at 58% 44%, #000 0 38%, transparent 76%);
}

.page-home .hero-grid {
  position: relative;
  z-index: 1;
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: clamp(24px, 4vw, 40px);
}

.page-home .hero-copy { max-width: 46ch; }

.page-home .hero-copy .eyebrow { margin: 0 0 12px; }

.page-home .hero-copy h1 {
  margin: 0 0 18px;
  font-size: clamp(32px, 6.4vw, 74px);
  line-height: 1.06;
  letter-spacing: -0.02em;
  font-weight: 800;
  color: var(--paper);
}

.page-home .hl { color: var(--cyan); }

.page-home .hero-copy .lede {
  margin: 0 0 26px;
  font-size: clamp(15px, 1.6vw, 17px);
  line-height: 1.8;
  color: var(--steel);
}

.page-home .hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
}

/* ---------- 左轨导航 ---------- */
.page-home .rail {
  position: relative;
  display: flex;
  flex-direction: column;
  padding: 4px 0 4px 30px;
}

.page-home .rail::before {
  content: "";
  position: absolute;
  left: 10px;
  top: 12px;
  bottom: 12px;
  width: 1px;
  background: linear-gradient(180deg, transparent, var(--line) 14%, var(--line) 86%, transparent);
}

.page-home .rail-head {
  margin: 0 0 6px;
  font-family: var(--mono);
  font-size: 11px;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--steel);
}

.page-home .rail-link {
  position: relative;
  display: block;
  padding: 15px 12px 15px 2px;
  border-bottom: 1px solid var(--line-soft);
  color: var(--paper);
  text-decoration: none;
  transition: transform 0.35s var(--ease), border-color 0.35s var(--ease);
}

.page-home .rail-link::before {
  content: "";
  position: absolute;
  left: calc(-30px + 10px - (var(--rail-dot) / 2) + 0.5px);
  top: 22px;
  width: var(--rail-dot);
  height: var(--rail-dot);
  border-radius: 50%;
  border: 1px solid var(--cyan);
  background: var(--ink);
  transition: background 0.3s var(--ease), box-shadow 0.3s var(--ease);
}

.page-home .rail-link:hover,
.page-home .rail-link:focus-visible {
  transform: translateX(4px);
  border-color: rgba(57, 230, 223, 0.42);
}

.page-home .rail-link:hover::before,
.page-home .rail-link:focus-visible::before {
  background: var(--cyan);
  box-shadow: 0 0 0 4px rgba(57, 230, 223, 0.16);
}

.page-home .rail-top {
  display: flex;
  align-items: baseline;
  gap: 12px;
}

.page-home .rail-name {
  font-size: 17px;
  font-weight: 700;
  letter-spacing: 0.01em;
}

.page-home .rail-desc {
  display: block;
  margin-top: 7px;
  font-size: 13.5px;
  line-height: 1.65;
  color: var(--steel);
  opacity: 0.5;
  transform: translateX(-3px);
  transition: opacity 0.3s var(--ease), transform 0.3s var(--ease), color 0.3s var(--ease);
}

.page-home .rail-link:hover .rail-desc,
.page-home .rail-link:focus-visible .rail-desc {
  opacity: 1;
  transform: translateX(0);
  color: var(--paper);
}

.page-home .rail-cta {
  align-self: flex-start;
  margin-top: 18px;
}

/* ---------- 大屏预览窗 ---------- */
.page-home .screen {
  position: relative;
  padding: clamp(14px, 2.2vw, 22px);
  border: 1px solid rgba(57, 230, 223, 0.24);
  border-radius: var(--radius);
  background:
    radial-gradient(120% 88% at 82% 0%, rgba(57, 230, 223, 0.1), transparent 62%),
    linear-gradient(180deg, rgba(14, 32, 56, 0.98), rgba(8, 19, 33, 0.98));
  box-shadow: var(--shadow-card);
  clip-path: polygon(0 0, 100% 0, 100% calc(100% - 28px), calc(100% - 28px) 100%, 0 100%);
}

.page-home .screen-head {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 10px 16px;
}

.page-home .screen-tag {
  display: inline-flex;
  align-items: center;
  gap: 9px;
  font-family: var(--mono);
  font-size: 11px;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--steel);
}

.page-home .pulse-dot {
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: var(--signal);
  box-shadow: 0 0 0 4px rgba(255, 106, 61, 0.18);
}

.page-home .screen-tabs .tablist {
  display: inline-flex;
  gap: 4px;
  padding: 4px;
  border: 1px solid var(--line);
  border-radius: var(--pill);
  background: rgba(8, 19, 33, 0.82);
}

.page-home .screen-tabs .tab {
  appearance: none;
  border: 0;
  cursor: pointer;
  padding: 6px 14px;
  border-radius: var(--pill);
  background: transparent;
  color: var(--steel);
  font-family: var(--mono);
  font-size: 12px;
  letter-spacing: 0.08em;
  transition: background 0.28s var(--ease), color 0.28s var(--ease);
}

.page-home .screen-tabs .tab:hover { color: var(--paper); }

.page-home .screen-tabs .tab[aria-selected="true"] {
  background: var(--cyan);
  color: var(--ink);
  font-weight: 700;
}

.page-home .tabs .tabpanel[data-tab-panel] {
  margin-top: 14px;
  border: 1px solid var(--line-soft);
  border-radius: var(--radius-sm);
  overflow: hidden;
  background: var(--ink);
}

.page-home .tabpanel[data-tab-panel="ratio16"] { aspect-ratio: 16 / 9; }
.page-home .tabpanel[data-tab-panel="ratio21"] { aspect-ratio: 21 / 9; }

.page-home .tabpanel[data-tab-panel] img {
  display: block;
  width: 100%;
  height: 100%;
  max-width: 100%;
  object-fit: cover;
}

.page-home .screen-foot {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 12px 18px;
  margin-top: 16px;
  padding-top: 14px;
  border-top: 1px solid var(--line-soft);
}

.page-home .screen-foot p {
  flex: 1 1 240px;
  margin: 0;
  font-size: 13.5px;
  line-height: 1.7;
  color: var(--steel);
}

/* ---------- 当季专区 ---------- */
.page-home .season-grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: clamp(26px, 4vw, 56px);
}

.page-home .season-aside h2 {
  margin: 10px 0 16px;
  font-size: clamp(26px, 4vw, 44px);
  line-height: 1.14;
  letter-spacing: -0.01em;
}

.page-home .season-aside p {
  margin: 0 0 22px;
  color: var(--steel);
  line-height: 1.78;
}

.page-home .season-list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 2px;
}

.page-home .season-item {
  display: grid;
  grid-template-columns: auto minmax(0, 1fr);
  gap: 4px 16px;
  padding: 20px 0;
  border-top: 1px solid var(--line-soft);
  transition: transform 0.35s var(--ease);
}

.page-home .season-item:last-child { border-bottom: 1px solid var(--line-soft); }
.page-home .season-item:hover { transform: translateX(5px); }

.page-home .season-item h3 {
  margin: 0 0 6px;
  font-size: 17px;
  line-height: 1.4;
  color: var(--paper);
}

.page-home .season-item p {
  margin: 0;
  font-size: 14.5px;
  line-height: 1.75;
  color: var(--steel);
}

/* ---------- 季度归档 ---------- */
.page-home .archive-head {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: clamp(22px, 3.4vw, 44px);
  align-items: end;
}

.page-home .archive-head h2 {
  margin: 10px 0 16px;
  font-size: clamp(26px, 4vw, 46px);
  line-height: 1.14;
}

.page-home .archive-head .lede {
  margin: 0 0 18px;
  color: var(--steel);
  line-height: 1.8;
}

.page-home .archive-stats {
  margin: 0 0 20px;
  font-family: var(--mono);
  font-size: 13px;
  letter-spacing: 0.06em;
  color: var(--paper);
}

.page-home .archive-stats .stat-num {
  font-size: 20px;
  color: var(--mint);
  margin-right: 2px;
}

.page-home .archive-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
}

.page-home .archive-cover { margin: 0; }

.page-home .archive-track {
  display: flex;
  gap: 14px;
  margin-top: clamp(24px, 3.4vw, 40px);
  padding: 4px 0 18px;
  overflow-x: auto;
  scroll-snap-type: x mandatory;
  -webkit-overflow-scrolling: touch;
}

.page-home .archive-track:focus-visible {
  outline: 2px solid var(--cyan);
  outline-offset: 6px;
  border-radius: var(--radius-sm);
}

.page-home .archive-track::-webkit-scrollbar { height: 6px; }
.page-home .archive-track::-webkit-scrollbar-track { background: rgba(29, 58, 82, 0.4); border-radius: var(--pill); }
.page-home .archive-track::-webkit-scrollbar-thumb { background: var(--line); border-radius: var(--pill); }

.page-home .q-card {
  flex: 0 0 min(78vw, 288px);
  scroll-snap-align: start;
  display: flex;
  flex-direction: column;
  gap: 8px;
  min-height: 208px;
  padding: 20px;
  border: 1px solid var(--line);
  border-radius: var(--radius-sm);
  background: linear-gradient(180deg, rgba(8, 19, 33, 0.94), rgba(11, 47, 50, 0.62));
  color: var(--paper);
  text-decoration: none;
  transition: border-color 0.32s var(--ease), transform 0.32s var(--ease), background 0.32s var(--ease);
}

.page-home .q-card:hover,
.page-home .q-card:focus-visible {
  transform: translateY(-4px);
  border-color: rgba(57, 230, 223, 0.45);
  background: linear-gradient(180deg, rgba(14, 32, 56, 0.96), rgba(11, 47, 50, 0.8));
}

.page-home .q-card h3 {
  margin: 0;
  font-size: 18px;
}

.page-home .q-card p {
  margin: 0;
  flex: 1;
  font-size: 14px;
  line-height: 1.72;
  color: var(--steel);
}

.page-home .q-card .tag { align-self: flex-start; }

/* ---------- 移动端反馈与版本 ---------- */
.page-home .feedback-grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: clamp(22px, 3.4vw, 38px);
  align-items: start;
}

.page-home .mobile-shot {
  margin: 0;
  max-width: 260px;
}

.page-home .feedback-copy h2 {
  margin: 10px 0 16px;
  font-size: clamp(25px, 3.6vw, 40px);
  line-height: 1.16;
}

.page-home .feedback-copy > p {
  margin: 0 0 22px;
  color: var(--steel);
  line-height: 1.78;
}

.page-home .stat-row {
  list-style: none;
  margin: 0 0 20px;
  padding: 16px 0 0;
  border-top: 1px solid var(--line-soft);
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(118px, 1fr));
  gap: 14px;
}

.page-home .stat-row li {
  display: flex;
  flex-direction: column;
  gap: 4px;
}

.page-home .stat-num {
  font-family: var(--mono);
  font-size: clamp(20px, 2.8vw, 27px);
  line-height: 1.1;
  color: var(--cyan);
  letter-spacing: -0.01em;
}

.page-home .stat-label {
  font-size: 12px;
  letter-spacing: 0.04em;
  color: var(--steel);
}

.page-home .text-link {
  display: inline-block;
  font-size: 14px;
  color: var(--cyan);
  text-decoration: none;
  border-bottom: 1px solid rgba(57, 230, 223, 0.4);
  padding-bottom: 2px;
  transition: border-color 0.28s var(--ease), color 0.28s var(--ease);
}

.page-home .text-link:hover,
.page-home .text-link:focus-visible {
  color: var(--paper);
  border-color: var(--paper);
}

.page-home .version-card {
  padding: 22px;
  border: 1px solid rgba(255, 106, 61, 0.34);
  border-radius: var(--radius-sm);
  background: linear-gradient(170deg, rgba(90, 31, 61, 0.86), rgba(8, 19, 33, 0.94));
  box-shadow: var(--shadow-card);
}

.page-home .version-card .eyebrow { margin: 0 0 12px; }

.page-home .version-num {
  display: block;
  font-family: var(--mono);
  font-size: clamp(48px, 8vw, 68px);
  line-height: 0.92;
  letter-spacing: -0.04em;
  color: var(--signal);
}

.page-home .version-line {
  margin: 12px 0 10px;
  font-size: 13px;
  letter-spacing: 0.05em;
  color: var(--paper);
}

.page-home .version-text {
  margin: 0 0 18px;
  font-size: 14px;
  line-height: 1.75;
  color: var(--steel);
}

/* ---------- 联系与备案 ---------- */
.page-home .reach-grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: clamp(22px, 3.4vw, 48px);
  align-items: start;
}

.page-home .reach-intro h2 {
  margin: 10px 0 16px;
  font-size: clamp(25px, 3.6vw, 40px);
  line-height: 1.16;
}

.page-home .reach-intro p {
  margin: 0 0 22px;
  max-width: 46ch;
  color: var(--steel);
  line-height: 1.78;
}

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

.page-home .reach-list li {
  display: grid;
  gap: 5px;
  padding: 16px 0;
  border-bottom: 1px solid var(--line-soft);
}

.page-home .reach-list li:first-child { border-top: 1px solid var(--line-soft); }

.page-home .reach-list .contact-value {
  font-family: var(--mono);
  font-size: clamp(15px, 1.9vw, 19px);
  color: var(--paper);
  word-break: break-word;
}

.page-home .icp-line {
  margin-top: clamp(22px, 3vw, 34px);
  padding-top: 16px;
  border-top: 1px solid var(--line-soft);
  font-family: var(--mono);
  font-size: 12px;
  letter-spacing: 0.06em;
  color: var(--steel);
}

.page-home .reach-pill {
  display: none;
  position: fixed;
  right: clamp(14px, 3vw, 28px);
  bottom: clamp(14px, 3vw, 28px);
  z-index: 40;
  box-shadow: 0 16px 36px -18px rgba(255, 106, 61, 0.7);
}

/* ---------- 桌面布局 ---------- */
@media (min-width: 960px) {
  .page-home .hero-grid {
    grid-template-columns: var(--rail-w) minmax(0, 1fr);
    grid-template-areas:
      "rail copy"
      "rail screen";
    column-gap: clamp(36px, 4.4vw, 72px);
    row-gap: clamp(28px, 3vw, 44px);
    align-items: start;
  }

  .page-home .rail { grid-area: rail; }
  .page-home .hero-copy { grid-area: copy; }
  .page-home .screen { grid-area: screen; }

  .page-home .season-grid {
    grid-template-columns: minmax(0, 0.82fr) minmax(0, 1.18fr);
    align-items: start;
  }

  .page-home .archive-head {
    grid-template-columns: minmax(0, 1.08fr) minmax(0, 0.92fr);
  }

  .page-home .feedback-grid {
    grid-template-columns: 220px minmax(0, 1fr) 258px;
    align-items: start;
  }

  .page-home .reach-grid {
    grid-template-columns: minmax(0, 0.9fr) minmax(0, 1.1fr);
    align-items: center;
  }

  .page-home .reach-pill { display: inline-flex; }
}

@media (min-width: 1240px) {
  .page-home .q-card { flex-basis: 300px; }
}

@media (prefers-reduced-motion: reduce) {
  .page-home .rail-link,
  .page-home .rail-desc,
  .page-home .season-item,
  .page-home .q-card,
  .page-home .text-link {
    transition: none;
  }
  .page-home .season-item:hover,
  .page-home .q-card:hover { transform: none; }
  .page-home .rail-link:hover { transform: none; }
}