.page-home {
  --rail-narrow: 88px;
  --home-pad: 20px;
  display: block;
  color: var(--fog);
}

.page-home .content-wrap {
  width: 100%;
  max-width: var(--content-max);
  margin-inline: auto;
  padding-inline: 18px;
}

.page-home h2 {
  margin: 10px 0 0;
  font-size: clamp(24px, 4.4vw, 36px);
  line-height: 1.16;
  letter-spacing: -0.02em;
  font-weight: 800;
  color: var(--fog);
}

.page-home h3 {
  margin: 10px 0 0;
  font-size: 19px;
  line-height: 1.35;
  letter-spacing: -0.01em;
  font-weight: 700;
  color: var(--fog);
}

.page-home .lede {
  margin: 14px 0 0;
  font-size: 16px;
  line-height: 1.75;
  color: var(--fog);
  opacity: 0.88;
}

.page-home .eyebrow {
  display: block;
  margin: 0;
  font-size: 11px;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--mint);
}

.page-home .mono {
  font-family: var(--font-mono);
}

/* 面包屑 */
.page-home .breadcrumbs {
  padding: 18px 0 6px;
}

.page-home .breadcrumb-list {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin: 0;
  padding: 0;
  list-style: none;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.04em;
}

.page-home .breadcrumb-link {
  color: var(--cool);
  text-decoration: none;
}

.page-home .breadcrumb-link:hover,
.page-home .breadcrumb-link:focus-visible {
  color: var(--mint);
}

.page-home .breadcrumb-item + .breadcrumb-item::before {
  content: "/";
  margin-right: 8px;
  color: var(--line);
}

.page-home .breadcrumb-current {
  color: var(--fog);
}

/* 首屏 */
.home-hero {
  position: relative;
  display: grid;
  gap: 28px;
  margin-top: 12px;
  padding: var(--home-pad);
  border: 1px solid var(--line);
  border-radius: var(--radius-lg);
  background-color: var(--ink);
  background-image: radial-gradient(rgba(53, 242, 192, 0.1) 1px, transparent 1px);
  background-size: 20px 20px;
  overflow: hidden;
}

.home-hero::after {
  content: "";
  position: absolute;
  right: -80px;
  top: -80px;
  width: 240px;
  height: 240px;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(53, 242, 192, 0.16), transparent 68%);
  pointer-events: none;
}

.hero-rail {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  align-items: center;
}

.rail-title {
  width: 100%;
  font-size: 11px;
  letter-spacing: 0.18em;
  color: var(--cool);
}

.rail-list {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
  margin: 0;
  padding: 0;
  list-style: none;
}

.rail-link {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 6px 11px;
  border: 1px solid var(--line);
  border-radius: var(--radius-pill);
  color: var(--cool);
  font-size: 13px;
  text-decoration: none;
  transition: color 0.2s var(--ease), background-color 0.2s var(--ease), border-color 0.2s var(--ease);
}

.rail-num {
  font-size: 11px;
  color: var(--mint);
}

.rail-link:hover,
.rail-link:focus-visible {
  color: var(--ink);
  background-color: var(--mint);
  border-color: var(--mint);
}

.rail-link:hover .rail-num,
.rail-link:focus-visible .rail-num {
  color: var(--ink-deep);
}

.hero-body {
  position: relative;
  z-index: 1;
}

.home-hero h1 {
  margin: 12px 0 0;
  font-size: clamp(29px, 6.6vw, 54px);
  line-height: 1.06;
  letter-spacing: -0.025em;
  font-weight: 800;
  color: var(--fog);
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-top: 24px;
}

.hero-figure {
  margin: 28px 0 0;
  border: 1px solid var(--line);
  border-radius: var(--radius-md);
  background: var(--graph);
  overflow: hidden;
}

.hero-figure img,
.compare-figure img,
.status-figure img,
.feedback-figure img {
  display: block;
  width: 100%;
  max-width: 100%;
  height: auto;
  object-fit: cover;
}

.home-hero .media-caption,
.home-compare .media-caption,
.home-status .media-caption,
.home-feedback .media-caption {
  display: block;
  padding: 9px 12px;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.03em;
  color: var(--cool);
  border-top: 1px solid var(--line);
}

/* 站内索引 */
.home-index,
.home-compare,
.home-status,
.home-feedback {
  padding-top: 60px;
}

.home-index .section-head,
.home-compare .section-head {
  max-width: 680px;
}

.home-index .lede,
.home-compare .lede {
  margin-top: 12px;
}

.scenario-grid {
  display: grid;
  gap: 14px;
  margin-top: 26px;
}

.scenario-card {
  position: relative;
  padding: 20px 18px 22px;
  background: var(--graph);
  border: 1px solid var(--line);
  border-left: 3px solid var(--mint);
  border-radius: var(--radius-md);
  transition: transform 0.25s var(--ease), border-color 0.25s var(--ease), box-shadow 0.25s var(--ease);
}

.scenario-card:hover {
  transform: translateY(-2px);
  border-color: var(--mint-deep);
  border-left-color: var(--orange);
  box-shadow: 0 14px 30px rgba(6, 12, 20, 0.55);
}

.scenario-num {
  margin: 0;
  font-size: 11px;
  letter-spacing: 0.14em;
  color: var(--mint);
}

.scenario-desc {
  margin: 10px 0 0;
  font-size: 14px;
  line-height: 1.72;
  color: var(--cool);
}

.scenario-links {
  display: grid;
  gap: 8px;
  margin: 16px 0 0;
  padding: 0;
  list-style: none;
}

.scenario-links a {
  display: inline-flex;
  align-items: baseline;
  gap: 7px;
  font-size: 14px;
  color: var(--mint-soft);
  text-decoration: none;
  border-bottom: 1px solid transparent;
  transition: color 0.2s var(--ease), border-color 0.2s var(--ease);
}

.scenario-links a::before {
  content: "→";
  font-size: 12px;
  color: var(--mint);
}

.scenario-links a:hover,
.scenario-links a:focus-visible {
  color: var(--mint);
  border-bottom-color: var(--mint-deep);
}

.scenario-note {
  margin: 18px 0 0;
  padding-top: 12px;
  border-top: 1px solid var(--line);
  font-size: 11px;
  letter-spacing: 0.04em;
  color: var(--cool);
}

/* 两栏对照 */
.compare-columns {
  display: grid;
  gap: 16px;
  margin-top: 26px;
}

.compare-col {
  display: flex;
  flex-direction: column;
  padding: 22px 20px 24px;
  border: 1px solid var(--line);
  border-radius: var(--radius-lg);
  background: var(--char);
}

.compare-col--tab {
  background: var(--graph);
}

.compare-head {
  display: flex;
  align-items: center;
  gap: 10px;
  flex-wrap: wrap;
}

.compare-col h3 {
  margin: 0;
  font-size: 21px;
}

.compare-desc {
  margin: 14px 0 0;
  font-size: 14px;
  line-height: 1.75;
  color: var(--cool);
}

.compare-figure {
  margin: 16px 0 0;
  border: 1px solid var(--line);
  border-radius: var(--radius-md);
  overflow: hidden;
  background: var(--ink);
}

.field-list {
  display: grid;
  gap: 9px;
  margin: 18px 0 0;
  padding: 0;
  list-style: none;
}

.field-list li {
  display: flex;
  gap: 9px;
  font-size: 13.5px;
  line-height: 1.65;
  color: var(--fog);
}

.field-list li::before {
  content: "";
  flex: none;
  width: 6px;
  height: 6px;
  margin-top: 8px;
  border-radius: 50%;
  background: var(--mint-deep);
}

.fit-list {
  display: grid;
  gap: 10px;
  margin: 20px 0 22px;
  padding: 16px 0 0;
  border-top: 1px solid var(--line);
}

.fit-row {
  display: grid;
  gap: 3px;
}

.fit-row dt {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.14em;
  color: var(--orange);
}

.fit-row dd {
  margin: 0;
  font-size: 13.5px;
  line-height: 1.65;
  color: var(--cool);
}

.compare-col .btn {
  align-self: flex-start;
  margin-top: auto;
}

.compare-note {
  margin: 18px 0 0;
  padding: 15px 18px;
  border-left: 4px solid var(--orange);
  border-radius: var(--radius-sm);
  background: var(--graph);
  font-size: 14px;
  line-height: 1.72;
  color: var(--fog);
}

/* 版本状态 */
.status-band {
  display: grid;
  gap: 14px;
  padding: 24px 20px;
  border: 1px solid var(--line);
  border-radius: var(--radius-lg);
  background-image: linear-gradient(135deg, var(--ink) 0%, var(--char) 100%);
}

.status-version {
  margin: 0;
  font-size: clamp(34px, 9vw, 60px);
  line-height: 1;
  letter-spacing: -0.02em;
  color: var(--mint);
  text-shadow: 0 0 28px rgba(53, 242, 192, 0.35);
}

.status-copy p {
  margin: 12px 0 0;
  font-size: 14.5px;
  line-height: 1.75;
  color: var(--cool);
}

.status-body {
  display: grid;
  gap: 22px;
  margin-top: 20px;
}

.status-figure {
  margin: 0;
  border: 1px solid var(--line);
  border-radius: var(--radius-md);
  overflow: hidden;
  background: var(--char);
}

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

.status-stat {
  display: grid;
  grid-template-columns: auto minmax(0, 1fr);
  gap: 14px;
  align-items: baseline;
  padding-bottom: 14px;
  border-bottom: 1px solid var(--line);
}

.status-stat:last-child {
  padding-bottom: 0;
  border-bottom: 0;
}

.stat-num {
  font-family: var(--font-mono);
  font-size: 26px;
  line-height: 1;
  color: var(--mint);
}

.stat-label {
  font-size: 13.5px;
  line-height: 1.68;
  color: var(--cool);
}

/* 反馈闭环 */
.feedback-inner {
  display: grid;
  gap: 24px;
}

.feedback-copy p {
  margin: 14px 0 0;
  font-size: 14.5px;
  line-height: 1.75;
  color: var(--cool);
}

.feedback-steps {
  display: grid;
  gap: 12px;
  margin: 22px 0 0;
  padding: 0;
  list-style: none;
  counter-reset: step;
}

.feedback-steps li {
  position: relative;
  padding-left: 42px;
  font-size: 14px;
  line-height: 1.68;
  color: var(--fog);
}

.feedback-steps li::before {
  counter-increment: step;
  content: counter(step, decimal-leading-zero);
  position: absolute;
  left: 0;
  top: 2px;
  padding: 3px 6px;
  border-radius: 5px;
  background: var(--mint);
  color: var(--ink-deep);
  font-family: var(--font-mono);
  font-size: 11px;
  line-height: 1.2;
}

.feedback-contact {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 10px;
  margin-top: 24px;
  padding: 14px 16px;
  border: 1px dashed var(--line);
  border-radius: var(--radius-md);
  background: var(--char);
}

.contact-email {
  font-size: 13px;
  color: var(--mint-soft);
  word-break: break-all;
}

.contact-hint {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.03em;
  color: var(--cool);
}

.page-home .copy-btn {
  padding: 5px 12px;
  border: 1px solid var(--mint-deep);
  border-radius: var(--radius-pill);
  background: transparent;
  color: var(--mint);
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.06em;
  cursor: pointer;
  transition: background-color 0.2s var(--ease), color 0.2s var(--ease);
}

.page-home .copy-btn:hover,
.page-home .copy-btn:focus-visible {
  background: var(--mint);
  color: var(--ink-deep);
}

.feedback-figure {
  margin: 0;
  border: 1px solid var(--line);
  border-radius: var(--radius-lg);
  overflow: hidden;
  background: var(--graph);
}

/* 后续路径 */
.home-next {
  padding: 60px 0 72px;
}

.next-list {
  display: grid;
  margin: 24px 0 0;
  padding: 0;
  list-style: none;
  border-top: 1px solid var(--line);
}

.next-item a {
  display: grid;
  grid-template-columns: auto minmax(0, 1fr) auto;
  gap: 14px;
  align-items: center;
  padding: 18px 4px;
  border-bottom: 1px solid var(--line);
  color: var(--fog);
  text-decoration: none;
  transition: padding 0.25s var(--ease), color 0.2s var(--ease);
}

.next-item a:hover,
.next-item a:focus-visible {
  padding-left: 12px;
  color: var(--mint);
}

.next-key {
  font-size: 12px;
  letter-spacing: 0.06em;
  color: var(--cool);
}

.next-body {
  display: grid;
  gap: 4px;
}

.next-title {
  font-size: 17px;
  font-weight: 700;
  letter-spacing: -0.01em;
}

.next-desc {
  font-size: 13.5px;
  line-height: 1.68;
  color: var(--cool);
}

.next-arrow {
  font-size: 16px;
  color: var(--mint);
}

.next-foot {
  margin: 22px 0 0;
  font-size: 14px;
  line-height: 1.75;
  color: var(--cool);
}

.next-foot a {
  color: var(--mint-soft);
  text-decoration: none;
  border-bottom: 1px solid var(--mint-deep);
}

.next-foot a:hover,
.next-foot a:focus-visible {
  color: var(--mint);
}

.page-home a:focus-visible,
.page-home button:focus-visible {
  outline: 2px solid var(--mint);
  outline-offset: 2px;
  border-radius: 4px;
}

@media (min-width: 640px) {
  .page-home .content-wrap {
    padding-inline: 28px;
  }

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

  .home-hero {
    --home-pad: 28px;
  }
}

@media (min-width: 900px) {
  .home-hero {
    grid-template-columns: var(--rail-narrow) minmax(0, 1fr);
    gap: 40px;
    padding: 44px 36px 48px;
  }

  .hero-rail {
    flex-direction: column;
    align-items: stretch;
    align-self: start;
    gap: 14px;
    padding-right: 16px;
    border-right: 1px solid var(--line);
  }

  .rail-list {
    flex-direction: column;
    gap: 0;
  }

  .rail-link {
    flex-direction: column;
    align-items: flex-start;
    gap: 2px;
    padding: 9px 0;
    border: 0;
    border-radius: 0;
    border-bottom: 1px solid rgba(43, 59, 78, 0.65);
    font-size: 12px;
  }

  .rail-link:hover,
  .rail-link:focus-visible {
    background: transparent;
    color: var(--mint);
  }

  .rail-link:hover .rail-num,
  .rail-link:focus-visible .rail-num {
    color: var(--orange);
  }

  .hero-figure {
    width: min(100%, 620px);
    margin-left: auto;
  }

  .compare-columns {
    grid-template-columns: minmax(0, 1fr) minmax(0, 1fr);
    gap: 22px;
  }

  .status-band {
    grid-template-columns: auto minmax(0, 1fr);
    align-items: center;
    gap: 34px;
    padding: 30px 34px;
  }

  .status-body {
    grid-template-columns: minmax(0, 7fr) minmax(0, 5fr);
    gap: 26px;
    align-items: start;
  }

  .feedback-inner {
    grid-template-columns: minmax(0, 5fr) minmax(0, 7fr);
    gap: 38px;
    align-items: center;
  }

  .home-index,
  .home-compare,
  .home-status,
  .home-feedback {
    padding-top: 84px;
  }

  .home-next {
    padding: 84px 0 88px;
  }
}

@media (min-width: 1080px) {
  .scenario-grid {
    grid-template-columns: repeat(4, minmax(0, 1fr));
    gap: 18px;
  }

  .scenario-card:nth-child(even) {
    margin-top: 26px;
  }

  .hero-figure {
    width: min(100%, 680px);
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-home * {
    transition: none !important;
    animation: none !important;
  }

  .scenario-card:hover,
  .next-item a:hover {
    transform: none;
  }
}