.page-home {
  --home-aside-w: 320px;
  --home-rail-w: 72px;
  --home-num: 0;
  position: relative;
  overflow-x: clip;
  background-color: var(--bl-navy-900);
  color: var(--bl-mist-100);
  font-family: var(--bl-font-body);
  line-height: 1.75;
}

.page-home::before {
  content: "";
  position: absolute;
  inset: 0;
  pointer-events: none;
  background-image:
    linear-gradient(to right, rgba(47, 227, 208, .05) 1px, transparent 1px),
    linear-gradient(to bottom, rgba(47, 227, 208, .05) 1px, transparent 1px);
  background-size: 72px 72px;
  -webkit-mask-image: linear-gradient(180deg, rgba(0, 0, 0, .85), rgba(0, 0, 0, .2));
  mask-image: linear-gradient(180deg, rgba(0, 0, 0, .85), rgba(0, 0, 0, .2));
}

.page-home .home-stage {
  position: relative;
  z-index: 1;
  max-width: var(--bl-wrap);
  margin: 0 auto;
  padding: 0 var(--bl-edge);
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 28px;
}

.page-home .home-flow {
  min-width: 0;
}

.page-home .home-crumb {
  margin: clamp(20px, 3vw, 34px) 0 0;
  font-family: var(--bl-font-mono);
  font-size: 12px;
  letter-spacing: .12em;
  color: var(--bl-slate-400);
}

/* 左缘时间轴轨道 */
.page-home .home-rail {
  display: none;
}

.page-home .home-rail::before {
  content: "";
  position: absolute;
  left: 11px;
  top: 0;
  bottom: 0;
  width: 1px;
  background: linear-gradient(180deg, transparent 0%, var(--bl-cyan-400) 6%, var(--bl-cyan-600) 52%, var(--bl-violet-500) 86%, transparent 100%);
  opacity: .45;
}

.page-home .home-rail-tick {
  position: absolute;
  left: 0;
  padding-left: 26px;
  font-family: var(--bl-font-mono);
  font-size: 11px;
  letter-spacing: .1em;
  color: var(--bl-cyan-600);
}

.page-home .home-rail-tick::before {
  content: "";
  position: absolute;
  left: 7px;
  top: 50%;
  width: 9px;
  height: 9px;
  margin-top: -5px;
  border: 1px solid var(--bl-cyan-400);
  border-radius: 50%;
  background: var(--bl-navy-900);
}

.page-home .home-rail-tick:nth-child(1) { top: 6%; }
.page-home .home-rail-tick:nth-child(2) { top: 24%; }
.page-home .home-rail-tick:nth-child(3) { top: 43%; }
.page-home .home-rail-tick:nth-child(4) { top: 62%; }
.page-home .home-rail-tick:nth-child(5) { top: 80%; }
.page-home .home-rail-tick:nth-child(6) { top: 95%; }

/* 首屏 */
.page-home .home-hero {
  display: grid;
  gap: 24px;
  align-content: start;
  min-height: 78vh;
  padding: clamp(28px, 6vh, 76px) 0 0;
}

.page-home .home-hero-title {
  margin: 0;
  font-family: var(--bl-font-display);
  font-weight: 200;
  font-size: clamp(38px, 8.4vw, 82px);
  line-height: 1.12;
  letter-spacing: .08em;
  color: var(--bl-mist-100);
  text-wrap: balance;
}

.page-home .home-hero-lede {
  max-width: 46ch;
  margin: 0;
  font-size: clamp(16px, 1.5vw, 18px);
  line-height: 1.78;
  color: var(--bl-slate-400);
}

.page-home .home-hero-tools {
  display: grid;
  gap: 16px;
  padding: 20px 18px;
  border: 1px solid var(--bl-line);
  border-radius: var(--bl-radius);
  background: linear-gradient(180deg, rgba(18, 49, 84, .62), rgba(6, 20, 38, .92));
  box-shadow: inset 0 0 0 1px rgba(47, 227, 208, .06);
}

.page-home .home-quick-months {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 10px;
}

.page-home .home-quick-label {
  font-family: var(--bl-font-mono);
  font-size: 12px;
  letter-spacing: .12em;
  color: var(--bl-cyan-600);
}

.page-home .home-quick-months .bl-chip {
  font-family: var(--bl-font-mono);
  letter-spacing: .1em;
}

.page-home .home-hero-figure {
  margin: 0;
  aspect-ratio: 4 / 3;
  overflow: hidden;
}

.page-home .home-hero-figure img {
  display: block;
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: 70% 60%;
}

.page-home .home-breathe {
  height: 160px;
}

/* 章节通用 */
.page-home .home-flow > section {
  min-width: 0;
  padding: clamp(44px, 7vw, 84px) 0;
  border-top: 1px solid var(--bl-line-soft);
}

.page-home .home-sec-head {
  display: grid;
  gap: 10px;
  margin-bottom: 26px;
  max-width: 56ch;
}

.page-home .home-sec-head h2 {
  margin: 0;
  font-family: var(--bl-font-display);
  font-weight: 300;
  font-size: clamp(24px, 3.6vw, 40px);
  line-height: 1.28;
  letter-spacing: .06em;
  color: var(--bl-mist-100);
}

.page-home .home-sec-head .bl-index {
  font-family: var(--bl-font-mono);
  font-size: 12px;
  letter-spacing: .18em;
  color: var(--bl-cyan-400);
}

/* 常用入口 */
.page-home .home-entries-figure {
  margin: 0 auto 26px;
  max-width: 340px;
}

.page-home .home-entries-figure img {
  display: block;
  width: 100%;
  height: auto;
}

.page-home .home-entry-grid {
  display: grid;
  gap: 14px;
  grid-template-columns: repeat(2, minmax(0, 1fr));
}

.page-home .home-entry {
  display: grid;
  gap: 10px;
  align-content: start;
  padding: 20px 16px;
  border: 1px solid var(--bl-line);
  border-radius: var(--bl-radius);
  background: var(--bl-navy-800);
  color: inherit;
  text-decoration: none;
  transition: border-color .24s var(--bl-ease), transform .24s var(--bl-ease), background-color .24s var(--bl-ease);
}

.page-home .home-entry-icon {
  display: block;
  width: 48px;
  height: 48px;
  color: var(--bl-cyan-400);
  transition: color .24s var(--bl-ease);
}

.page-home .home-entry-icon svg {
  display: block;
  width: 48px;
  height: 48px;
}

.page-home .home-entry-name {
  font-family: var(--bl-font-display);
  font-weight: 400;
  font-size: 17px;
  letter-spacing: .08em;
  color: var(--bl-mist-100);
}

.page-home .home-entry-desc {
  font-size: 14px;
  line-height: 1.7;
  color: var(--bl-slate-400);
}

.page-home .home-entry:hover,
.page-home .home-entry:focus-visible {
  border-color: var(--bl-orange-500);
  background: var(--bl-navy-700);
  transform: translateX(4px);
  outline: none;
}

.page-home .home-entry:focus-visible {
  box-shadow: 0 0 0 2px var(--bl-cyan-400);
}

.page-home .home-entry:hover .home-entry-icon,
.page-home .home-entry:focus-visible .home-entry-icon {
  color: var(--bl-orange-500);
}

/* 双维筛选 */
.page-home .home-filter-grid {
  display: grid;
  gap: 24px;
}

.page-home .home-filter-figure {
  margin: 0;
}

.page-home .home-filter-figure img {
  display: block;
  width: 100%;
  height: auto;
}

.page-home .home-filter-body h3 {
  margin: 0 0 10px;
  font-family: var(--bl-font-display);
  font-weight: 300;
  font-size: clamp(20px, 2.4vw, 26px);
  letter-spacing: .05em;
  color: var(--bl-mist-100);
}

.page-home .home-filter-body p {
  margin: 0 0 18px;
  color: var(--bl-slate-400);
  font-size: 15px;
}

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

.page-home .home-tagcloud .bl-chip {
  cursor: default;
}

.page-home .home-monthscale {
  display: grid;
  grid-template-columns: repeat(6, minmax(0, 1fr));
  gap: 6px;
  margin-top: 20px;
}

.page-home .home-monthscale a {
  padding: 9px 0;
  border: 1px solid var(--bl-line-soft);
  border-radius: 8px;
  font-family: var(--bl-font-mono);
  font-size: 12px;
  letter-spacing: .06em;
  text-align: center;
  color: var(--bl-slate-400);
  text-decoration: none;
  transition: border-color .24s var(--bl-ease), color .24s var(--bl-ease), background-color .24s var(--bl-ease);
}

.page-home .home-monthscale a:hover,
.page-home .home-monthscale a:focus-visible {
  border-color: var(--bl-orange-500);
  background: rgba(255, 138, 61, .1);
  color: var(--bl-gold-300);
  outline: none;
}

.page-home .home-examples {
  display: grid;
  gap: 14px;
  margin-top: 30px;
}

.page-home .home-example {
  padding: 18px;
  border-left: 2px solid var(--bl-cyan-600);
  border-radius: 0 var(--bl-radius) var(--bl-radius) 0;
  background: rgba(18, 49, 84, .42);
}

.page-home .home-example h3 {
  margin: 0 0 8px;
  font-size: 16px;
  font-weight: 400;
  letter-spacing: .04em;
  color: var(--bl-cyan-400);
}

.page-home .home-example p {
  margin: 0;
  font-size: 14px;
  line-height: 1.72;
  color: var(--bl-slate-400);
}

/* 回访专区时间轴 */
.page-home .home-timeline-top {
  display: grid;
  gap: 20px;
  margin-bottom: 26px;
}

.page-home .home-timeline-figure {
  margin: 0;
}

.page-home .home-timeline-figure img {
  display: block;
  width: 100%;
  height: auto;
}

.page-home .home-monthgroup {
  margin-bottom: 12px;
  border: 1px solid var(--bl-line);
  border-radius: var(--bl-radius);
  background: rgba(18, 49, 84, .38);
  overflow: hidden;
}

.page-home .home-monthgroup > summary {
  display: flex;
  flex-wrap: wrap;
  gap: 8px 18px;
  align-items: center;
  padding: 16px 18px;
  cursor: pointer;
  list-style: none;
  transition: background-color .24s var(--bl-ease);
}

.page-home .home-monthgroup > summary::-webkit-details-marker {
  display: none;
}

.page-home .home-monthgroup > summary:hover {
  background: rgba(47, 227, 208, .08);
}

.page-home .home-monthgroup[open] > summary {
  background: rgba(107, 79, 224, .18);
  border-bottom: 1px solid var(--bl-line);
}

.page-home .home-mg-month {
  padding: 2px 12px;
  border: 1px solid var(--bl-line-strong);
  border-radius: 8px;
  font-family: var(--bl-font-mono);
  font-size: 18px;
  letter-spacing: .1em;
  color: var(--bl-cyan-400);
}

.page-home .home-mg-meta {
  font-family: var(--bl-font-mono);
  font-size: 13px;
  letter-spacing: .04em;
  color: var(--bl-slate-400);
}

.page-home .home-mg-body {
  display: grid;
  gap: 16px;
  padding: 18px;
}

.page-home .home-mg-body h4 {
  margin: 0 0 8px;
  font-size: 13px;
  font-weight: 400;
  letter-spacing: .12em;
  color: var(--bl-gold-300);
}

.page-home .home-mg-body ul {
  margin: 0;
  padding-left: 18px;
  display: grid;
  gap: 6px;
  font-size: 14px;
  color: var(--bl-slate-400);
}

.page-home .home-mg-words {
  margin: 0;
  font-family: var(--bl-font-mono);
  font-size: 13px;
  letter-spacing: .06em;
  color: var(--bl-cyan-600);
}

/* 默认排序 */
.page-home .home-sort-grid {
  display: grid;
  gap: 14px;
}

.page-home .home-sort {
  padding: 20px 18px;
  border: 1px solid var(--bl-line);
  border-radius: var(--bl-radius);
  background: var(--bl-navy-800);
  display: grid;
  gap: 8px;
  align-content: start;
}

.page-home .home-sort-name {
  margin: 0;
  font-family: var(--bl-font-mono);
  font-size: 13px;
  letter-spacing: .16em;
  color: var(--bl-cyan-400);
}

.page-home .home-sort h3 {
  margin: 0;
  font-size: 16px;
  font-weight: 400;
  letter-spacing: .04em;
  color: var(--bl-mist-100);
}

.page-home .home-sort p {
  margin: 0;
  font-size: 14px;
  line-height: 1.72;
  color: var(--bl-slate-400);
}

.page-home .home-sort-tail {
  margin-top: 20px;
  max-width: 60ch;
}

/* 长期运营 */
.page-home .home-stats {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 1px;
  margin: 0;
  border: 1px solid var(--bl-line-soft);
  border-radius: var(--bl-radius);
  overflow: hidden;
  background: var(--bl-line-soft);
}

.page-home .home-stat {
  padding: 20px 16px;
  background: var(--bl-navy-800);
}

.page-home .home-stat dt {
  font-size: 12px;
  letter-spacing: .1em;
  color: var(--bl-slate-400);
}

.page-home .home-stat dd {
  margin: 6px 0 0;
  font-family: var(--bl-font-mono);
  font-size: 14px;
  letter-spacing: .04em;
  color: var(--bl-mist-100);
}

.page-home .home-stat-num {
  font-size: clamp(26px, 3.6vw, 36px);
  color: var(--bl-cyan-400);
  margin-right: 4px;
}

.page-home .home-scale-notes {
  display: grid;
  gap: 12px;
  margin-top: 24px;
  max-width: 68ch;
}

.page-home .home-scale-notes p {
  margin: 0;
  font-size: 15px;
  line-height: 1.78;
  color: var(--bl-slate-400);
}

/* 联络 */
.page-home .home-reach-card {
  display: grid;
  gap: 16px;
  padding: 24px 20px;
  border: 1px solid var(--bl-line-strong);
  border-radius: var(--bl-radius);
  background: linear-gradient(120deg, rgba(107, 79, 224, .2), rgba(6, 20, 38, .94) 62%);
}

.page-home .home-reach-card p {
  margin: 0;
  max-width: 62ch;
  font-size: 15px;
  line-height: 1.78;
  color: var(--bl-slate-400);
}

.page-home .home-reach-mail {
  font-family: var(--bl-font-mono);
  font-size: 15px;
  letter-spacing: .02em;
  color: var(--bl-gold-300);
  word-break: break-all;
}

.page-home .home-reach-card .bl-btn {
  justify-self: start;
}

/* 第二栏：服务清单 */
.page-home .home-aside {
  min-width: 0;
  display: grid;
  gap: 14px;
  align-content: start;
}

.page-home .home-aside-card {
  display: grid;
  gap: 14px;
  padding: 22px 18px;
  border: 1px solid var(--bl-line-strong);
  border-radius: var(--bl-radius);
  background: linear-gradient(180deg, var(--bl-navy-700), var(--bl-navy-800) 78%);
  box-shadow: inset 0 0 0 1px rgba(47, 227, 208, .07);
}

.page-home .home-aside-card h2 {
  margin: 0;
  font-family: var(--bl-font-display);
  font-weight: 300;
  font-size: 22px;
  line-height: 1.35;
  letter-spacing: .06em;
  color: var(--bl-mist-100);
}

.page-home .home-aside-lede {
  margin: 0;
  font-size: 14px;
  line-height: 1.72;
  color: var(--bl-slate-400);
}

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

.page-home .home-aside-list li {
  display: flex;
  gap: 10px;
  align-items: baseline;
  padding: 8px 6px;
  border-bottom: 1px dashed var(--bl-line-soft);
  font-size: 14px;
  color: var(--bl-mist-100);
  transition: border-color .24s var(--bl-ease), transform .24s var(--bl-ease), color .24s var(--bl-ease);
}

.page-home .home-aside-list li .bl-index {
  font-family: var(--bl-font-mono);
  font-size: 12px;
  letter-spacing: .08em;
  color: var(--bl-cyan-600);
}

.page-home .home-aside-list li:hover {
  border-bottom-color: var(--bl-orange-500);
  transform: translateX(4px);
  color: var(--bl-gold-300);
}

.page-home .home-aside-card .bl-btn {
  justify-self: start;
}

.page-home .home-aside-side {
  padding: 16px 18px;
  border: 1px solid var(--bl-line-soft);
  border-radius: var(--bl-radius);
  background: rgba(11, 33, 56, .7);
}

.page-home .home-aside-side p {
  margin: 6px 0 0;
  font-size: 13px;
  line-height: 1.72;
  color: var(--bl-slate-400);
}

/* 回到顶部 */
.page-home .home-totop {
  position: fixed;
  left: max(12px, calc(var(--bl-edge) - 8px));
  bottom: 22px;
  z-index: 20;
  display: grid;
  place-items: center;
  width: 42px;
  height: 42px;
  border: 1px solid var(--bl-line-strong);
  border-radius: 50%;
  background: rgba(6, 20, 38, .86);
  color: var(--bl-cyan-400);
  font-size: 16px;
  text-decoration: none;
  transition: border-color .24s var(--bl-ease), color .24s var(--bl-ease), transform .24s var(--bl-ease);
}

.page-home .home-totop:hover,
.page-home .home-totop:focus-visible {
  border-color: var(--bl-orange-500);
  color: var(--bl-orange-500);
  transform: translateY(-4px);
  outline: none;
}

/* 动效 */
.bl-js .page-home [data-reveal] {
  opacity: 0;
  transform: translateY(24px);
  transition: opacity .42s var(--bl-ease), transform .42s var(--bl-ease);
}

.bl-js .page-home [data-reveal].is-visible {
  opacity: 1;
  transform: none;
}

/* 平板 */
@media (min-width: 768px) {
  .page-home .home-stage {
    grid-template-columns: 56px minmax(0, 1fr);
    column-gap: 28px;
  }

  .page-home .home-rail {
    display: block;
    position: relative;
  }

  .page-home .home-aside {
    grid-column: 2 / 3;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    align-items: start;
  }

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

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

  .page-home .home-mg-body {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }

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

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

  .page-home .home-filter-grid {
    grid-template-columns: minmax(0, .92fr) minmax(0, 1.08fr);
    align-items: center;
    column-gap: 32px;
  }

  .page-home .home-timeline-top {
    grid-template-columns: minmax(0, 1.05fr) minmax(0, .95fr);
    align-items: end;
    column-gap: 32px;
  }
}

/* 桌面：三栏 + 第二栏固定 */
@media (min-width: 1080px) {
  .page-home .home-stage {
    grid-template-columns: var(--home-rail-w) minmax(0, 1fr) var(--home-aside-w);
    column-gap: 40px;
  }

  .page-home .home-aside {
    grid-column: 3 / 4;
    grid-template-columns: minmax(0, 1fr);
    position: sticky;
    top: calc(var(--bl-header-h) + 24px);
  }

  .page-home .home-hero {
    grid-template-columns: minmax(0, 1.02fr) minmax(300px, .82fr);
    grid-template-areas:
      "kicker figure"
      "title  figure"
      "lede   figure"
      "tools  figure";
    align-items: start;
    column-gap: clamp(32px, 5vw, 72px);
  }

  .page-home .home-hero > .bl-kicker { grid-area: kicker; }
  .page-home .home-hero-title { grid-area: title; }
  .page-home .home-hero-lede { grid-area: lede; }
  .page-home .home-hero-tools { grid-area: tools; }
  .page-home .home-hero-figure {
    grid-area: figure;
    align-self: end;
    aspect-ratio: 4 / 5;
  }

  .page-home .home-portrait-fallback { display: none; }
}

@media (min-width: 1320px) {
  .page-home .home-stage {
    column-gap: 56px;
  }
}

@media (prefers-reduced-motion: reduce) {
  .bl-js .page-home [data-reveal],
  .bl-js .page-home [data-reveal].is-visible {
    opacity: 1;
    transform: none;
    transition: none;
  }

  .page-home .home-entry,
  .page-home .home-totop,
  .page-home .home-aside-list li {
    transition: none;
  }
}