.page-home {
  position: relative;
  overflow-x: clip;
  background-color: var(--ink-900);
  background-image:
    linear-gradient(var(--grid-line) 1px, transparent 1px),
    linear-gradient(90deg, var(--grid-line) 1px, transparent 1px);
  background-size: 72px 72px, 72px 72px;
  color: var(--paper);
}

.page-home h2 {
  margin: 0 0 10px;
  font-family: var(--font-display);
  font-weight: 800;
  font-size: clamp(24px, 3.4vw, 40px);
  line-height: 1.06;
  letter-spacing: -.01em;
  color: var(--paper);
}

.page-home [data-reveal] {
  transition: opacity .5s var(--ease), transform .5s var(--ease);
}

.page-home [data-reveal-hidden] {
  opacity: 0;
  transform: translateY(14px);
}

.page-home [data-revealed] {
  opacity: 1;
  transform: none;
}

.page-home [data-filter-item][hidden] {
  display: none;
}

/* ---------- 首屏 ---------- */
.hero-home {
  position: relative;
  padding-top: clamp(14px, 3vw, 28px);
}

.hero-home-grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
}

.hero-rail {
  padding: clamp(18px, 4vw, 28px) var(--gutter) clamp(22px, 4vw, 32px);
  border-bottom: 1px solid var(--grid-strong);
}

.rail-title {
  margin: 8px 0 0;
  font-family: var(--font-display);
  font-weight: 800;
  font-size: 20px;
  letter-spacing: .02em;
  color: var(--paper);
}

.rail-list {
  list-style: none;
  margin: 14px 0 0;
  padding: 0;
  display: grid;
  gap: 4px;
}

.rail-item {
  display: flex;
  align-items: baseline;
  gap: 10px;
  padding: 6px 0;
  font-size: 14px;
  color: var(--mist);
  border-bottom: 1px dashed var(--grid-line);
}

.rail-no {
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: .08em;
  color: var(--cyan);
}

.rail-item--hot {
  margin-left: -12px;
  padding-left: 10px;
  color: var(--paper);
  font-weight: 600;
  border-left: 2px solid var(--orange);
  background: rgba(255, 107, 44, .12);
  border-bottom-color: transparent;
}

.rail-item--hot .rail-no {
  color: var(--orange);
}

.rail-tip {
  margin: 16px 0 0;
  font-size: 13px;
  line-height: 1.7;
  color: var(--mist);
}

.rail-cta {
  display: inline-block;
  margin-top: 14px;
  padding-bottom: 2px;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: .06em;
  color: var(--cyan);
  text-decoration: none;
  border-bottom: 1px solid currentColor;
}

.rail-cta:hover {
  color: var(--paper);
}

.rail-cta:focus-visible {
  outline: 2px solid var(--cyan);
  outline-offset: 3px;
}

.hero-stage {
  position: relative;
  isolation: isolate;
  overflow: hidden;
  display: flex;
  align-items: center;
  min-height: 400px;
  padding: clamp(34px, 6vw, 72px) var(--gutter) clamp(36px, 6vw, 64px);
}

.hero-stage-img {
  position: absolute;
  inset: 0;
  z-index: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  opacity: .5;
}

.hero-stage::after {
  content: "";
  position: absolute;
  inset: 0;
  z-index: 1;
  pointer-events: none;
  background:
    linear-gradient(100deg, rgba(6, 24, 38, .97) 0%, rgba(6, 24, 38, .84) 48%, rgba(6, 24, 38, .3) 100%),
    linear-gradient(0deg, rgba(6, 24, 38, .92), transparent 62%);
}

.hero-stage-body {
  position: relative;
  z-index: 2;
  max-width: 44rem;
}

.hero-title {
  margin: 16px 0 0;
  font-family: var(--font-display);
  font-weight: 800;
  font-size: clamp(40px, 8.4vw, 104px);
  line-height: .95;
  letter-spacing: -.02em;
  color: var(--paper);
}

.hero-title em {
  display: block;
  font-style: normal;
  color: transparent;
  -webkit-text-stroke: 1.5px var(--orange);
}

@supports not (-webkit-text-stroke: 1px var(--orange)) {
  .hero-title em {
    color: var(--orange);
  }
}

.hero-lede {
  margin: 20px 0 0;
  max-width: 36em;
  font-size: 16px;
  line-height: 1.8;
  color: var(--mist);
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 26px;
}

.hero-note {
  margin: 22px 0 0;
  padding-left: 14px;
  border-left: 2px solid var(--orange);
  font-size: 13px;
  line-height: 1.75;
  color: var(--mist);
}

/* ---------- 栏目索引带 ---------- */
.home-directory {
  position: relative;
  border-top: 1px solid var(--grid-strong);
}

.dir-head {
  display: grid;
  gap: 8px;
  margin-bottom: 20px;
}

.dir-title {
  margin: 0;
  font-family: var(--font-display);
  font-weight: 800;
  font-size: clamp(26px, 4vw, 46px);
  line-height: 1.04;
  letter-spacing: -.01em;
  color: var(--paper);
}

.dir-lede {
  margin: 0;
  max-width: 54em;
  font-size: 15px;
  line-height: 1.8;
  color: var(--mist);
}

.home-directory .tag-row {
  margin: 4px 0 22px;
}

.dir-grid {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 10px;
}

.dir-item {
  position: relative;
  padding: 16px 18px 18px;
  background: linear-gradient(160deg, rgba(18, 53, 80, .82), rgba(11, 34, 56, .88));
  border: 1px solid var(--grid-line);
  clip-path: polygon(0 0, calc(100% - 18px) 0, 100% 18px, 100% 100%, 0 100%);
  transition: transform .3s var(--ease), border-color .3s var(--ease);
}

.dir-item::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0;
  width: 34px;
  height: 2px;
  background: var(--cyan);
}

.dir-item:hover {
  transform: translateY(-3px);
  border-color: var(--grid-strong);
}

.dir-item--hot::before {
  width: 64px;
  background: var(--orange);
}

.dir-no {
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: .1em;
  color: var(--cyan);
}

.dir-item--hot .dir-no {
  color: var(--orange);
}

.dir-name {
  margin: 6px 0 0;
  font-size: 17px;
  font-weight: 700;
  line-height: 1.4;
  color: var(--paper);
}

.dir-desc {
  margin: 6px 0 0;
  font-size: 13px;
  line-height: 1.72;
  color: var(--mist);
}

.dir-badge {
  display: inline-block;
  margin-top: 10px;
  padding: 3px 8px;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: .08em;
  color: var(--ink-900);
  background: var(--orange);
  clip-path: polygon(0 0, calc(100% - 8px) 0, 100% 100%, 0 100%);
}

.dir-visual {
  display: block;
  width: 100%;
  height: auto;
  margin-top: 20px;
  aspect-ratio: 1400 / 700;
  object-fit: cover;
  opacity: .7;
  border: 1px solid var(--grid-line);
}

.dir-links {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-top: 18px;
}

/* ---------- 收藏记录查询速览 ---------- */
.home-archive {
  border-top: 1px solid var(--grid-strong);
}

.archive-grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: clamp(22px, 4vw, 40px);
}

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

.archive-facts {
  list-style: none;
  margin: 18px 0 22px;
  padding: 0;
  display: grid;
  gap: 8px;
}

.archive-facts li {
  position: relative;
  padding-left: 20px;
  font-size: 14px;
  line-height: 1.72;
  color: var(--mist);
}

.archive-facts li::before {
  content: "";
  position: absolute;
  left: 3px;
  top: .78em;
  width: 8px;
  height: 1px;
  background: var(--gold);
}

.archive-card {
  position: relative;
  padding: 18px;
  background: linear-gradient(170deg, rgba(18, 53, 80, .9), rgba(11, 34, 56, .96));
  border: 1px solid var(--grid-line);
  clip-path: polygon(0 0, 100% 0, 100% calc(100% - 24px), calc(100% - 24px) 100%, 0 100%);
}

.archive-card-img {
  display: block;
  width: 100%;
  height: auto;
  aspect-ratio: 1200 / 800;
  object-fit: cover;
  opacity: .55;
  margin-bottom: 18px;
  border-bottom: 1px solid rgba(245, 194, 107, .4);
}

.archive-card .timeline {
  position: relative;
  margin: 0;
  padding: 0 0 0 22px;
  list-style: none;
  display: grid;
  gap: 14px;
}

.archive-card .timeline::before {
  content: "";
  position: absolute;
  left: 5px;
  top: 10px;
  bottom: 10px;
  width: 2px;
  background: linear-gradient(180deg, var(--gold) 0%, rgba(245, 194, 107, .1) 100%);
}

.timeline-item {
  position: relative;
  padding: 12px 14px;
  background: rgba(6, 24, 38, .62);
  border: 1px solid var(--grid-line);
  border-left: 2px solid var(--gold);
}

.timeline-item::before {
  content: "";
  position: absolute;
  left: -21px;
  top: 18px;
  width: 8px;
  height: 8px;
  background: var(--gold);
  transform: rotate(45deg);
}

.timeline-item:focus-visible {
  outline: 2px solid var(--cyan);
  outline-offset: 2px;
}

.tl-date {
  display: block;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: .1em;
  color: var(--gold);
}

.tl-title {
  margin: 4px 0 0;
  font-size: 15px;
  font-weight: 600;
  line-height: 1.5;
  color: var(--paper);
}

.tl-note {
  margin: 6px 0 0;
  font-size: 13px;
  line-height: 1.7;
  color: var(--mist);
}

/* ---------- 首次进站 ---------- */
.home-start {
  border-top: 1px solid var(--grid-strong);
  background: linear-gradient(180deg, rgba(11, 34, 56, .6), rgba(6, 24, 38, 0));
}

.start-head {
  max-width: 46rem;
  margin-bottom: 22px;
}

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

.start-accordion {
  max-width: 54rem;
}

.start-accordion .accordion-trigger {
  display: flex;
  align-items: center;
  gap: 14px;
  width: 100%;
  text-align: left;
}

.start-step-title {
  flex: 1 1 auto;
  font-size: 15px;
  font-weight: 600;
  line-height: 1.6;
}

.start-accordion .accordion-sign {
  flex: none;
  margin-left: auto;
}

.start-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 22px;
}

/* ---------- 运行数据 ---------- */
.home-metrics {
  position: relative;
  isolation: isolate;
  overflow: hidden;
  border-top: 1px solid var(--grid-strong);
}

.metrics-visual {
  position: absolute;
  inset: 0;
  z-index: -1;
  width: 100%;
  height: 100%;
  object-fit: cover;
  opacity: .24;
}

.home-metrics::after {
  content: "";
  position: absolute;
  inset: 0;
  z-index: -1;
  pointer-events: none;
  background: linear-gradient(180deg, rgba(6, 24, 38, .84), rgba(6, 24, 38, .96));
}

.metrics-head {
  max-width: 48rem;
  margin-bottom: 22px;
}

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

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

.metric {
  padding: 16px 14px 18px;
  background: rgba(6, 24, 38, .58);
  border: 1px solid var(--grid-line);
  border-top: 2px solid var(--cyan);
}

.metric--hot {
  border-top-color: var(--orange);
}

.metric-num {
  display: block;
  font-family: var(--font-display);
  font-weight: 800;
  font-size: clamp(28px, 4.4vw, 44px);
  line-height: 1;
  letter-spacing: -.01em;
  color: var(--cyan);
}

.metric--hot .metric-num {
  color: var(--orange);
}

.metric-unit {
  margin-left: 3px;
  font-family: var(--font-body);
  font-size: .42em;
  font-weight: 500;
}

.metric-label {
  display: block;
  margin-top: 8px;
  font-size: 12px;
  line-height: 1.6;
  letter-spacing: .02em;
  color: var(--mist);
}

.metric-notes {
  list-style: none;
  margin: 20px 0 0;
  padding: 0;
  display: grid;
  gap: 10px;
}

.metric-notes li {
  position: relative;
  padding-left: 22px;
  font-size: 14px;
  line-height: 1.74;
  color: var(--mist);
}

.metric-notes li::before {
  content: "";
  position: absolute;
  left: 0;
  top: .8em;
  width: 12px;
  height: 1px;
  background: var(--orange);
}

/* ---------- 咨询分流 ---------- */
.home-help {
  border-top: 1px solid var(--grid-strong);
}

.help-lede {
  margin: 0;
  max-width: 46em;
  font-size: 15px;
  line-height: 1.8;
  color: var(--mist);
}

.help-grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 12px;
  margin-top: 22px;
}

.help-card {
  display: flex;
  flex-direction: column;
  gap: 10px;
  padding: 22px 20px 24px;
  background: linear-gradient(165deg, rgba(18, 53, 80, .86), rgba(11, 34, 56, .92));
  border: 1px solid var(--grid-line);
  clip-path: polygon(0 14px, 14px 0, 100% 0, 100% 100%, 0 100%);
}

.help-card h3 {
  margin: 0;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 21px;
  line-height: 1.3;
  letter-spacing: -.01em;
  color: var(--paper);
}

.help-card p {
  margin: 0;
  font-size: 14px;
  line-height: 1.76;
  color: var(--mist);
}

.help-card .btn {
  margin-top: auto;
  align-self: flex-start;
}

.help-contact {
  margin: 22px 0 0;
  font-family: var(--font-mono);
  font-size: 12.5px;
  line-height: 1.9;
  color: var(--mist);
  word-break: break-word;
}

/* ---------- 回到顶部 ---------- */
.back-wrap {
  padding-bottom: clamp(26px, 5vw, 48px);
  padding-top: clamp(10px, 2vw, 20px);
}

.back-coord {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 10px 16px;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: .08em;
  color: var(--cyan);
  text-decoration: none;
  background: rgba(6, 24, 38, .82);
  border: 1px solid var(--grid-strong);
  clip-path: polygon(0 0, calc(100% - 10px) 0, 100% 10px, 100% 100%, 0 100%);
}

.back-coord:hover {
  border-color: var(--cyan);
  color: var(--paper);
}

.back-coord:focus-visible {
  outline: 2px solid var(--cyan);
  outline-offset: 3px;
}

/* ---------- 响应式 ---------- */
@media (min-width: 640px) {
  .dir-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .metric-notes {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

@media (min-width: 900px) {
  .hero-lede {
    font-size: 18px;
  }

  .hero-title {
    margin-top: 20px;
  }

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

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

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

@media (min-width: 960px) {
  .hero-home-grid {
    grid-template-columns: 262px minmax(0, 1fr);
    align-items: stretch;
  }

  .hero-rail {
    padding: clamp(30px, 3vw, 46px) 22px clamp(32px, 4vw, 52px) 0;
    border-bottom: 0;
    border-right: 1px solid var(--grid-strong);
  }

  .hero-stage {
    min-height: 540px;
    padding-left: clamp(30px, 3.4vw, 56px);
  }

  .hero-stage-img {
    clip-path: polygon(16% 0, 100% 0, 100% 100%, 0 100%);
  }

  .archive-grid {
    grid-template-columns: minmax(0, .92fr) minmax(0, 1.08fr);
    align-items: start;
  }
}

@media (min-width: 900px) and (hover: hover) and (pointer: fine) {
  .tl-note {
    max-height: 0;
    margin-top: 0;
    overflow: hidden;
    opacity: 0;
    transition: max-height .35s var(--ease), opacity .25s var(--ease), margin-top .35s var(--ease);
  }

  .timeline-item:hover .tl-note,
  .timeline-item:focus .tl-note,
  .timeline-item:focus-within .tl-note {
    max-height: 6em;
    margin-top: 6px;
    opacity: 1;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-home [data-reveal],
  .page-home [data-reveal-hidden],
  .dir-item,
  .tl-note {
    transition: none;
  }

  .page-home [data-reveal-hidden] {
    opacity: 1;
    transform: none;
  }

  .dir-item:hover {
    transform: none;
  }
}