/* ===================== 首页专属样式 ===================== */
.page-home {
  --ph-grid: rgba(31, 51, 80, .58);
  --ph-cut: 34px;
  --ph-accent: var(--cyan);
  display: block;
  background: var(--void);
  color: var(--ink);
}

.page-home .section {
  position: relative;
  padding: 60px 0;
}

.page-home .section-head {
  max-width: 680px;
  margin-bottom: 34px;
}

.page-home .section-title {
  margin: 10px 0 0;
  font-family: var(--font-display);
  font-size: clamp(24px, 4.8vw, 40px);
  font-weight: 400;
  line-height: 1.22;
  letter-spacing: .05em;
  color: var(--ink);
}

.page-home .section-sub {
  margin: 14px 0 0;
  max-width: 40em;
  font-size: 14.5px;
  line-height: 1.78;
  color: var(--mist);
}

/* ---------- 首屏 ---------- */
.page-home .hero {
  position: relative;
  overflow: hidden;
  padding: 44px 0 68px;
  background:
    radial-gradient(118% 88% at 92% -8%, rgba(0, 229, 208, .16), transparent 60%),
    radial-gradient(92% 70% at 4% 112%, rgba(124, 92, 255, .16), transparent 62%),
    var(--void);
}

.page-home .hero::before {
  content: "";
  position: absolute;
  inset: 0;
  pointer-events: none;
  background-image:
    repeating-linear-gradient(0deg, var(--ph-grid) 0 1px, transparent 1px 56px),
    repeating-linear-gradient(90deg, var(--ph-grid) 0 1px, transparent 1px 56px);
  opacity: .45;
}

.page-home .hero-media {
  position: absolute;
  top: 0;
  right: 0;
  width: 78%;
  height: 100%;
  z-index: 0;
  opacity: .24;
  clip-path: polygon(24% 0, 100% 0, 100% 100%, 0 100%);
  pointer-events: none;
}

.page-home .hero-media img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.page-home .hero-grid {
  position: relative;
  z-index: 1;
  display: grid;
  gap: 34px;
}

.page-home .hero-side {
  position: relative;
  padding: 28px 22px 32px;
  background: linear-gradient(152deg, rgba(19, 34, 56, .96) 0%, rgba(11, 18, 32, .97) 58%, rgba(0, 229, 208, .12) 100%);
  border: 1px solid var(--line);
  clip-path: polygon(0 0, 100% 0, 100% calc(100% - var(--ph-cut)), calc(100% - var(--ph-cut)) 100%, 0 100%);
}

.page-home .hero-title {
  margin: 14px 0 0;
  font-family: var(--font-display);
  font-size: clamp(26px, 6.6vw, 46px);
  font-weight: 400;
  line-height: 1.2;
  letter-spacing: .06em;
  color: var(--ink);
}

.page-home .hero-lead {
  margin: 16px 0 0;
  max-width: 32em;
  font-size: 14.5px;
  line-height: 1.8;
  color: #C3D4EA;
}

.page-home .hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 24px;
}

.page-home .hero-main {
  position: relative;
}

.page-home .time-block {
  position: relative;
  padding: 24px 20px 28px;
  background: linear-gradient(180deg, rgba(11, 18, 32, .97), rgba(5, 7, 14, .97));
  border: 1px solid var(--line);
  clip-path: polygon(0 0, 100% 0, 100% calc(100% - 40px), calc(100% - 40px) 100%, 0 100%);
  transition: border-color .24s var(--ease);
}

.page-home .time-block:focus-visible {
  border-color: var(--cyan);
}

.page-home .time-block:focus {
  outline: none;
}

.page-home .time-label {
  margin: 0;
  font-size: 11.5px;
  letter-spacing: .18em;
  color: var(--mist);
}

.page-home .time-value {
  margin: 8px 0 0;
  line-height: .94;
}

.page-home .time-value .display-num {
  display: inline-block;
  font-family: var(--font-mono);
  font-size: clamp(58px, 17vw, 118px);
  font-weight: 500;
  letter-spacing: .01em;
  color: var(--amber);
  text-shadow: 0 0 28px rgba(255, 176, 32, .34);
}

.page-home .time-meta {
  margin: 6px 0 0;
  font-size: 13px;
  letter-spacing: .02em;
  color: var(--ink);
}

.page-home .time-hint {
  margin: 14px 0 0;
  font-size: 11px;
  letter-spacing: .13em;
  color: var(--mist);
}

.page-home .time-hover {
  max-height: 0;
  overflow: hidden;
  opacity: 0;
  transition: max-height .34s var(--ease), opacity .24s var(--ease), margin-top .34s var(--ease);
}

.page-home .time-block:hover .time-hover,
.page-home .time-block:focus-within .time-hover {
  max-height: 300px;
  opacity: 1;
  margin-top: 14px;
}

.page-home .time-hover-title {
  margin: 0 0 10px;
  padding-top: 12px;
  border-top: 1px solid var(--line);
  font-size: 11px;
  letter-spacing: .16em;
  color: var(--mist);
}

.page-home .time-hover-list {
  margin: 0;
  padding: 0;
  list-style: none;
  display: grid;
  gap: 7px;
}

.page-home .time-hover-list li {
  display: flex;
  justify-content: space-between;
  gap: 12px;
  font-size: 12.5px;
  color: var(--ink);
}

.page-home .time-hover-list .num {
  font-family: var(--font-mono);
  color: var(--cyan);
  letter-spacing: .04em;
}

.page-home .hero-facts {
  margin: 22px 0 0;
  padding: 18px 0 0;
  list-style: none;
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 12px;
  border-top: 1px solid var(--line);
}

.page-home .hero-facts li {
  display: grid;
  gap: 5px;
}

.page-home .fact-num {
  font-family: var(--font-mono);
  font-size: 20px;
  letter-spacing: .01em;
  color: var(--cyan);
}

.page-home .fact-label {
  font-size: 11px;
  letter-spacing: .1em;
  color: var(--mist);
}

@media (hover: none) {
  .page-home .time-hint { display: none; }
  .page-home .time-hover {
    max-height: none;
    opacity: 1;
    margin-top: 14px;
  }
}

/* ---------- 三条主线 ---------- */
.page-home .lines {
  position: relative;
  overflow: hidden;
}

.page-home .lines-bg {
  position: absolute;
  left: 0;
  right: 0;
  bottom: 0;
  height: 46%;
  opacity: .16;
  pointer-events: none;
  -webkit-mask-image: linear-gradient(180deg, transparent, #000 72%);
  mask-image: linear-gradient(180deg, transparent, #000 72%);
}

.page-home .lines-bg img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.page-home .lines-grid {
  position: relative;
  z-index: 1;
  display: grid;
  grid-template-columns: 1fr;
  gap: 16px;
}

.page-home .line-card {
  position: relative;
  display: flex;
  flex-direction: column;
  gap: 12px;
  min-height: 236px;
  padding: 26px 22px 24px;
  background: linear-gradient(168deg, rgba(19, 34, 56, .92), rgba(11, 18, 32, .97));
  border: 1px solid var(--line);
  color: var(--ink);
  text-decoration: none;
  clip-path: polygon(0 0, 100% 0, 100% calc(100% - 28px), calc(100% - 28px) 100%, 0 100%);
  transition: transform .28s var(--ease), border-color .28s var(--ease);
}

.page-home .line-card::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 3px;
  background: var(--line-accent, var(--cyan));
  transform: scaleX(.22);
  transform-origin: left center;
  transition: transform .34s var(--ease);
}

.page-home .line-card:hover::before,
.page-home .line-card:focus-visible::before {
  transform: scaleX(1);
}

.page-home .line-card:hover,
.page-home .line-card:focus-visible {
  transform: translateY(-4px);
  border-color: var(--line-accent, var(--cyan));
}

.page-home .line-card--amber { --line-accent: var(--amber); }
.page-home .line-card--cyan { --line-accent: var(--cyan); }
.page-home .line-card--violet { --line-accent: var(--violet); }

.page-home .line-index {
  font-family: var(--font-mono);
  font-size: 11.5px;
  letter-spacing: .16em;
  color: var(--line-accent, var(--cyan));
}

.page-home .line-title {
  margin: 0;
  font-size: 18px;
  line-height: 1.42;
  letter-spacing: .02em;
}

.page-home .line-desc {
  margin: 0;
  font-size: 13.5px;
  line-height: 1.78;
  color: var(--mist);
}

.page-home .line-stat {
  margin: auto 0 0;
  padding-top: 14px;
  border-top: 1px solid var(--line);
  font-family: var(--font-mono);
  font-size: 12.5px;
  color: var(--ink);
}

.page-home .line-stat .num {
  font-size: 18px;
  color: var(--line-accent, var(--cyan));
}

.page-home .line-go {
  font-size: 11.5px;
  letter-spacing: .13em;
  color: var(--mist);
}

/* ---------- 时间轴 ---------- */
.page-home .recent {
  background: linear-gradient(180deg, var(--void) 0%, #070A13 48%, var(--void) 100%);
}

.page-home .timeline {
  position: relative;
}

.page-home .timeline-track {
  display: flex;
  gap: 0;
  overflow-x: auto;
  padding: 32px 0 14px;
  scroll-snap-type: x proximity;
  -webkit-overflow-scrolling: touch;
  scrollbar-width: thin;
  scrollbar-color: var(--line) transparent;
}

.page-home .timeline-node {
  position: relative;
  flex: 0 0 84%;
  padding-top: 28px;
  scroll-snap-align: start;
}

.page-home .timeline-node::before {
  content: "";
  position: absolute;
  top: 8px;
  left: 0;
  right: 0;
  height: 1px;
  background: var(--line);
}

.page-home .timeline-node::after {
  content: "";
  position: absolute;
  top: 2px;
  left: 14px;
  width: 13px;
  height: 13px;
  background: var(--node-color, var(--cyan));
  transform: rotate(45deg);
  box-shadow: 0 0 14px var(--node-color, var(--cyan));
}

.page-home .node--violet { --node-color: var(--violet); }
.page-home .node--amber { --node-color: var(--amber); }
.page-home .node--cyan { --node-color: var(--cyan); }
.page-home .node--magenta { --node-color: var(--magenta); }

.page-home .timeline-card {
  margin: 0 16px 0 0;
  background: rgba(11, 18, 32, .92);
  border: 1px solid var(--line);
  clip-path: polygon(0 0, 100% 0, 100% calc(100% - 18px), calc(100% - 18px) 100%, 0 100%);
}

.page-home .timeline-card summary {
  list-style: none;
  cursor: pointer;
  display: grid;
  gap: 8px;
  padding: 18px 18px 16px;
}

.page-home .timeline-card summary::-webkit-details-marker {
  display: none;
}

.page-home .timeline-card summary:focus-visible {
  outline: 1px solid var(--cyan);
  outline-offset: -3px;
}

.page-home .timeline-time {
  font-family: var(--font-mono);
  font-size: 11.5px;
  letter-spacing: .14em;
  color: var(--node-color, var(--cyan));
}

.page-home .timeline-title {
  font-size: 15.5px;
  line-height: 1.58;
  color: var(--ink);
}

.page-home .timeline-open {
  font-size: 11px;
  letter-spacing: .14em;
  color: var(--mist);
}

.page-home .timeline-open::before {
  content: "展开详情";
}

.page-home .timeline-card[open] .timeline-open::before {
  content: "收起详情";
}

.page-home .timeline-body {
  padding: 14px 18px 18px;
  border-top: 1px solid var(--line);
}

.page-home .timeline-body p {
  margin: 0 0 12px;
  font-size: 13px;
  line-height: 1.78;
  color: var(--mist);
}

.page-home .timeline-link {
  font-size: 12.5px;
  letter-spacing: .04em;
  color: var(--cyan);
  text-decoration: none;
}

.page-home .timeline-link:hover {
  text-decoration: underline;
}

/* ---------- 配置速查 ---------- */
.page-home .device-grid {
  display: grid;
  gap: 22px;
}

.page-home .device-main {
  padding: 22px 18px 26px;
}

.page-home .device-table {
  width: 100%;
  border-collapse: collapse;
  font-size: 13.5px;
}

.page-home .device-table th,
.page-home .device-table td {
  padding: 12px 14px;
  text-align: left;
  vertical-align: top;
  border-bottom: 1px solid var(--line);
}

.page-home .device-table thead th {
  font-weight: 400;
  font-size: 11.5px;
  letter-spacing: .14em;
  color: var(--mist);
  white-space: nowrap;
}

.page-home .device-table tbody th {
  font-weight: 400;
  color: var(--mist);
  white-space: nowrap;
}

.page-home .device-table td {
  color: var(--ink);
}

.page-home .device-table .num {
  font-family: var(--font-mono);
  color: var(--cyan);
  letter-spacing: .01em;
}

.page-home .device-note {
  margin: 18px 0 0;
  font-size: 13px;
  line-height: 1.78;
  color: var(--mist);
}

.page-home .device-main .btn {
  margin-top: 18px;
}

.page-home .device-aside .figure {
  margin: 0;
}

/* ---------- 礼包分类 ---------- */
.page-home .gifts-grid {
  display: grid;
  gap: 28px;
}

.page-home .gifts-visual .figure {
  margin: 0;
}

.page-home .gifts-comb {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 10px;
}

.page-home .gifts-comb .comb-cell {
  min-height: 126px;
}

.page-home .gifts-note {
  margin: 22px 0 0;
  font-size: 13px;
  line-height: 1.78;
  color: var(--mist);
}

.page-home .gifts-combwrap .btn {
  margin-top: 18px;
}

/* ---------- 求助路径 ---------- */
.page-home .support {
  background: linear-gradient(180deg, var(--void), #080B14 60%, var(--void));
}

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

.page-home .support-card {
  padding: 26px 22px 28px;
  background: rgba(11, 18, 32, .82);
  border: 1px solid var(--line);
  clip-path: polygon(0 0, 100% 0, 100% calc(100% - 24px), calc(100% - 24px) 100%, 0 100%);
}

.page-home .support-card--primary {
  background: linear-gradient(158deg, rgba(0, 229, 208, .11), rgba(11, 18, 32, .94) 64%);
  border-color: rgba(0, 229, 208, .34);
}

.page-home .support-tag {
  margin: 0 0 10px;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: .16em;
  color: var(--cyan);
}

.page-home .support-card h3 {
  margin: 0 0 10px;
  font-size: 18px;
  letter-spacing: .02em;
  color: var(--ink);
}

.page-home .support-card p {
  margin: 0 0 18px;
  font-size: 13.5px;
  line-height: 1.8;
  color: var(--mist);
}

.page-home .support-foot {
  margin: 22px 0 0;
  font-size: 13px;
  line-height: 1.8;
  color: var(--mist);
}

.page-home .support-foot a {
  color: var(--cyan);
  text-decoration: none;
}

.page-home .support-foot a:hover {
  text-decoration: underline;
}

/* ---------- 右侧目录 ---------- */
.page-home .toc {
  display: none;
}

/* ---------- 滚动显现（渐进增强） ---------- */
@supports (animation-timeline: view()) {
  @media (prefers-reduced-motion: no-preference) {
    .page-home [data-reveal] {
      animation: ph-reveal linear both;
      animation-timeline: view();
      animation-range: entry 6% cover 24%;
    }
  }
}

@keyframes ph-reveal {
  from {
    opacity: 0;
    transform: translateY(18px);
  }
  to {
    opacity: 1;
    transform: none;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-home [data-reveal] {
    animation: none;
  }
  .page-home .line-card,
  .page-home .time-hover,
  .page-home .timeline-card {
    transition: none;
  }
}

/* ===================== 断点 ===================== */
@media (min-width: 560px) {
  .page-home .gifts-comb {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }
  .page-home .timeline-node {
    flex: 0 0 62%;
  }
}

@media (min-width: 760px) {
  .page-home .lines-grid {
    grid-template-columns: repeat(12, minmax(0, 1fr));
  }
  .page-home .line-card {
    grid-column: span 3;
  }
  .page-home .line-card--wide {
    grid-column: span 6;
  }
  .page-home .line-card--wide .line-title {
    font-size: 24px;
  }
  .page-home .support-grid {
    grid-template-columns: minmax(0, 1fr) minmax(0, 1fr);
    gap: 20px;
  }
  .page-home .timeline-node {
    flex: 0 0 44%;
  }
}

@media (min-width: 900px) {
  .page-home .hero {
    padding: 76px 0 100px;
  }
  .page-home .hero-grid {
    grid-template-columns: minmax(0, 7fr) minmax(0, 5fr);
    gap: 48px;
    align-items: start;
  }
  .page-home .hero-side {
    grid-column: 2;
    grid-row: 1;
    padding: 40px 34px 48px;
  }
  .page-home .hero-main {
    grid-column: 1;
    grid-row: 1;
    margin-top: 76px;
  }
  .page-home .hero-main::after {
    content: "";
    position: absolute;
    top: -46px;
    right: -28px;
    width: 132px;
    height: 1px;
    background: linear-gradient(90deg, transparent, var(--cyan));
    transform: rotate(-38deg);
    transform-origin: right center;
    opacity: .68;
    pointer-events: none;
  }
  .page-home .time-block {
    padding: 32px 28px 38px;
  }
  .page-home .section {
    padding: 92px 0;
  }
  .page-home .gifts-grid {
    grid-template-columns: minmax(0, 5fr) minmax(0, 7fr);
    gap: 40px;
    align-items: center;
  }
}

@media (min-width: 980px) {
  .page-home .device-grid {
    grid-template-columns: minmax(0, 8fr) minmax(0, 4fr);
    gap: 32px;
    align-items: start;
  }
  .page-home .timeline-node {
    flex: 0 0 30%;
  }
}

@media (min-width: 1600px) {
  .page-home .toc {
    display: block;
    position: fixed;
    top: 132px;
    right: 24px;
    width: 132px;
    z-index: 5;
  }
  .page-home .toc-title {
    margin: 0 0 10px;
    font-family: var(--font-mono);
    font-size: 11px;
    letter-spacing: .16em;
    color: var(--mist);
  }
  .page-home .toc-list {
    list-style: none;
    margin: 0;
    padding: 0 0 0 12px;
    display: grid;
    gap: 8px;
    border-left: 1px solid var(--line);
  }
  .page-home .toc-link {
    display: block;
    font-size: 12px;
    letter-spacing: .04em;
    color: var(--mist);
    text-decoration: none;
    transition: color .2s var(--ease);
  }
  .page-home .toc-link:hover,
  .page-home .toc-link[aria-current="true"] {
    color: var(--cyan);
  }
}