@keyframes home-dot-pulse {
  0%, 100% { transform: scale(1); box-shadow: 0 0 0 4px rgba(255, 90, 31, 0.16); }
  50% { transform: scale(1.2); box-shadow: 0 0 0 9px rgba(255, 90, 31, 0.05); }
}

.page-home {
  --home-grid: 64px;
  --home-line: rgba(27, 42, 107, 0.14);
  --home-ink-soft: rgba(14, 15, 18, 0.74);
  display: block;
  color: var(--ink);
  background: var(--pearl);
  overflow-x: hidden;
}

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

.page-home .section {
  padding-block: clamp(44px, 6vw, 96px);
  position: relative;
}

.page-home .breadcrumb {
  margin: 0 0 clamp(18px, 3vw, 34px);
  font-size: 12px;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--steel);
}

/* ---------- 首屏 ---------- */
.page-home .home-hero {
  position: relative;
  overflow: hidden;
  padding-block: clamp(26px, 4vw, 56px) clamp(30px, 4.5vw, 68px);
  background:
    radial-gradient(circle at 88% 10%, rgba(61, 232, 210, 0.18), transparent 46%),
    radial-gradient(circle at 4% 88%, rgba(255, 90, 31, 0.13), transparent 44%),
    linear-gradient(165deg, #FFFDF7 0%, var(--pearl) 62%, #EFE8DA 100%);
}

.page-home .home-hero::before {
  content: "";
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(to right, var(--home-line) 1px, transparent 1px),
    linear-gradient(to bottom, var(--home-line) 1px, transparent 1px);
  background-size: var(--home-grid) var(--home-grid);
  -webkit-mask-image: linear-gradient(to bottom, #000 0%, rgba(0, 0, 0, 0.35) 64%, transparent 100%);
  mask-image: linear-gradient(to bottom, #000 0%, rgba(0, 0, 0, 0.35) 64%, transparent 100%);
  pointer-events: none;
}

.page-home .home-hero > .container {
  position: relative;
  z-index: 1;
}

.page-home .hero-grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: clamp(22px, 3vw, 34px);
}

.page-home .eyebrow {
  margin: 0 0 12px;
  font-size: 12px;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--orange);
}

.page-home .hero-title {
  margin: 0 0 20px;
  font-family: var(--font-display);
  font-weight: 900;
  font-size: clamp(38px, 8.6vw, 104px);
  line-height: 0.96;
  letter-spacing: -0.03em;
  color: var(--indigo);
}

.page-home .hero-accent {
  color: var(--orange);
  display: inline-block;
}

.page-home .hero-lede {
  max-width: 46ch;
  margin: 0 0 26px;
  font-size: 16px;
  line-height: 1.88;
  color: var(--home-ink-soft);
}

.page-home .hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-bottom: 18px;
}

.page-home .hero-domain {
  margin: 0;
  font-size: 12px;
  letter-spacing: 0.06em;
  color: var(--steel);
}

.page-home .hero-domain::before {
  content: "";
  display: inline-block;
  width: 6px;
  height: 6px;
  margin-right: 8px;
  border-radius: 50%;
  background: var(--cyan);
  vertical-align: middle;
}

.page-home .hero-axis {
  display: none;
}

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

.page-home .side-caption {
  margin: 0 0 10px;
  font-size: 11px;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--steel);
}

.page-home .hero-toc {
  display: grid;
  gap: 0;
  border-top: 1px solid var(--line-strong);
  margin-bottom: 22px;
}

.page-home .hero-toc a {
  display: flex;
  align-items: baseline;
  gap: 12px;
  padding: 11px 4px 11px 0;
  border-bottom: 1px solid var(--line);
  color: var(--indigo);
  text-decoration: none;
  font-size: 14px;
  transition: color 0.2s var(--ease), padding-left 0.2s var(--ease), background 0.2s var(--ease);
}

.page-home .hero-toc a .mono {
  font-size: 11px;
  color: var(--steel);
  letter-spacing: 0.08em;
}

.page-home .hero-toc a:hover,
.page-home .hero-toc a:focus-visible {
  color: var(--orange);
  padding-left: 6px;
  background: rgba(255, 90, 31, 0.05);
}

.page-home .hero-toc a[aria-current],
.page-home .hero-toc a.is-active {
  color: var(--orange);
  border-bottom-color: var(--orange);
}

.page-home .hero-toc a:focus-visible {
  outline: 2px solid var(--cyan);
  outline-offset: 2px;
}

.page-home .hero-figure {
  border-radius: var(--radius-md);
  overflow: hidden;
  box-shadow: var(--shadow-soft);
}

.page-home .chain-track {
  position: relative;
  display: flex;
  flex-wrap: wrap;
  gap: 10px 24px;
  margin-top: clamp(26px, 4vw, 54px);
  padding-top: 16px;
  border-top: 1px solid var(--line-strong);
}

.page-home .chain-track::before {
  content: "";
  position: absolute;
  top: -1px;
  left: 0;
  width: 62%;
  height: 2px;
  background: linear-gradient(90deg, var(--orange), var(--cyan));
}

.page-home .chain-step {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-size: 11px;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--steel);
}

.page-home .chain-dot {
  width: 9px;
  height: 9px;
  border-radius: 50%;
  background: var(--orange);
  animation: home-dot-pulse 2.6s var(--ease) infinite;
}

.page-home .chain-step:nth-child(2) .chain-dot { animation-delay: 0.32s; }
.page-home .chain-step:nth-child(3) .chain-dot { animation-delay: 0.64s; }
.page-home .chain-step:nth-child(4) .chain-dot { animation-delay: 0.96s; background: var(--cyan); }

/* ---------- 路径 ---------- */
.page-home .home-path {
  background: var(--paper);
}

.page-home .path-grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: clamp(26px, 4vw, 48px);
  align-items: start;
}

.page-home .section-title {
  margin: 0 0 18px;
  font-family: var(--font-display);
  font-weight: 800;
  font-size: clamp(26px, 4vw, 46px);
  line-height: 1.16;
  letter-spacing: -0.02em;
  color: var(--indigo);
}

.page-home .home-path .lede {
  max-width: 52ch;
  margin: 0 0 16px;
  font-size: 17px;
  line-height: 1.85;
  color: var(--home-ink-soft);
}

.page-home .path-copy > p {
  max-width: 54ch;
  margin: 0 0 24px;
  font-size: 15.5px;
  line-height: 1.9;
  color: var(--home-ink-soft);
}

.page-home .fact-list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 0;
  border-top: 1px solid var(--line);
}

.page-home .fact-list li {
  display: grid;
  grid-template-columns: 96px minmax(0, 1fr);
  align-items: baseline;
  gap: 14px;
  padding: 13px 0;
  border-bottom: 1px solid var(--line);
}

.page-home .fact-num {
  font-size: 20px;
  font-weight: 700;
  color: var(--orange);
  letter-spacing: -0.02em;
}

.page-home .fact-text {
  font-size: 14px;
  color: var(--home-ink-soft);
  line-height: 1.6;
}

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

.page-home .path-figure .img-frame {
  border-radius: var(--radius-md);
  overflow: hidden;
}

.page-home .path-figure figcaption {
  margin-top: 10px;
  font-size: 11.5px;
  letter-spacing: 0.06em;
  color: var(--steel);
}

/* ---------- 更新档案 ---------- */
.page-home .home-updates {
  background:
    radial-gradient(circle at 82% 6%, rgba(61, 232, 210, 0.12), transparent 42%),
    var(--ink-blue);
  color: var(--pearl);
}

.page-home .home-updates .section-title,
.page-home .home-updates .log-title {
  color: var(--pearl);
}

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

.page-home .updates-head {
  max-width: 62ch;
  margin-bottom: clamp(28px, 4vw, 46px);
}

.page-home .updates-head .lede {
  margin: 0;
  font-size: 16px;
  line-height: 1.88;
  color: rgba(246, 242, 233, 0.76);
}

.page-home .log-grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 1px;
  background: rgba(246, 242, 233, 0.14);
  border-top: 1px solid var(--line-dark);
  border-bottom: 1px solid var(--line-dark);
}

.page-home .log-col {
  padding: clamp(20px, 3vw, 32px) clamp(18px, 2.6vw, 30px);
  background: var(--ink-blue);
  position: relative;
}

.page-home .log-col::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  width: 42px;
  height: 2px;
  background: var(--orange);
}

.page-home .log-no {
  margin: 0 0 12px;
  font-size: 12px;
  letter-spacing: 0.18em;
  color: var(--cyan);
}

.page-home .log-title {
  margin: 0 0 12px;
  font-family: var(--font-display);
  font-weight: 800;
  font-size: clamp(19px, 2.2vw, 24px);
  letter-spacing: -0.01em;
}

.page-home .log-text {
  margin: 0 0 16px;
  font-size: 14.5px;
  line-height: 1.85;
  color: rgba(246, 242, 233, 0.74);
}

.page-home .log-list {
  list-style: none;
  margin: 0 0 20px;
  padding: 0;
  display: grid;
  gap: 8px;
}

.page-home .log-list li {
  position: relative;
  padding-left: 16px;
  font-size: 13.5px;
  line-height: 1.7;
  color: rgba(246, 242, 233, 0.66);
}

.page-home .log-list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 8px;
  width: 6px;
  height: 6px;
  border-radius: 50%;
  border: 1px solid var(--cyan);
}

.page-home .link-more {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-size: 13.5px;
  font-weight: 600;
  color: var(--orange);
  text-decoration: none;
  border-bottom: 1px solid rgba(255, 90, 31, 0.5);
  padding-bottom: 2px;
  transition: color 0.2s var(--ease), border-color 0.2s var(--ease);
}

.page-home .link-more:hover,
.page-home .link-more:focus-visible {
  color: var(--cyan);
  border-bottom-color: var(--cyan);
}

.page-home .link-more:focus-visible {
  outline: 2px solid var(--cyan);
  outline-offset: 3px;
}

.page-home .log-figure {
  margin: clamp(26px, 4vw, 40px) 0 0;
}

.page-home .log-figure .img-frame {
  border-radius: var(--radius-md);
  overflow: hidden;
  border: 1px solid var(--line-dark);
}

.page-home .log-figure figcaption {
  margin-top: 10px;
  font-size: 11.5px;
  letter-spacing: 0.06em;
  color: rgba(246, 242, 233, 0.56);
}

/* ---------- 旧版标签 ---------- */
.page-home .home-legacy {
  background: var(--sand);
}

.page-home .legacy-grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: clamp(24px, 3.5vw, 44px);
}

.page-home .legacy-copy p {
  max-width: 46ch;
  margin: 0 0 12px;
  font-size: 15.5px;
  line-height: 1.9;
  color: var(--home-ink-soft);
}

.page-home .legacy-note {
  font-size: 13.5px;
  color: var(--copper);
}

.page-home .legacy-tags {
  display: grid;
  gap: 12px;
  align-content: start;
}

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

.page-home .oldtag {
  display: inline-block;
  padding: 7px 12px;
  font-size: 12.5px;
  line-height: 1;
  color: var(--indigo);
  background: rgba(255, 253, 247, 0.72);
  border: 1px solid var(--line);
  border-radius: 999px;
  text-decoration: none;
  transition: background 0.2s var(--ease), border-color 0.2s var(--ease), color 0.2s var(--ease);
}

.page-home .oldtag:hover,
.page-home .oldtag:focus-visible {
  color: var(--paper);
  background: var(--indigo);
  border-color: var(--indigo);
}

.page-home .oldtag:focus-visible {
  outline: 2px solid var(--cyan);
  outline-offset: 2px;
}

/* ---------- 反馈与案例 ---------- */
.page-home .home-feedback {
  background: var(--paper);
}

.page-home .feedback-grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: clamp(30px, 4vw, 56px);
  align-items: start;
}

.page-home .feedback-copy > p,
.page-home .cases > p {
  max-width: 50ch;
  margin: 0 0 20px;
  font-size: 15.5px;
  line-height: 1.9;
  color: var(--home-ink-soft);
}

.page-home .stage-list {
  list-style: none;
  margin: 0 0 26px;
  padding: 0;
  display: grid;
  gap: 0;
  border-top: 1px solid var(--line);
}

.page-home .stage-list li {
  display: grid;
  grid-template-columns: 34px 62px minmax(0, 1fr);
  align-items: baseline;
  gap: 10px;
  padding: 13px 0;
  border-bottom: 1px solid var(--line);
}

.page-home .stage-no {
  font-size: 11.5px;
  color: var(--orange);
  letter-spacing: 0.1em;
}

.page-home .stage-name {
  font-size: 14.5px;
  font-weight: 700;
  color: var(--indigo);
}

.page-home .stage-desc {
  font-size: 13.5px;
  line-height: 1.65;
  color: var(--home-ink-soft);
}

.page-home .cases {
  position: relative;
  padding: clamp(20px, 3vw, 30px) clamp(18px, 2.6vw, 30px);
  background: linear-gradient(180deg, rgba(27, 42, 107, 0.05), rgba(61, 232, 210, 0.08));
  border: 1px solid var(--line);
  border-radius: var(--radius-md);
}

.page-home .case-title {
  margin: 0 0 14px;
  font-family: var(--font-display);
  font-weight: 800;
  font-size: clamp(19px, 2.2vw, 24px);
  line-height: 1.3;
  color: var(--indigo);
}

.page-home .case-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 7px;
  margin-bottom: 20px;
}

.page-home .case-tag {
  padding: 5px 10px;
  font-size: 12px;
  color: var(--indigo);
  background: rgba(246, 242, 233, 0.9);
  border: 1px solid var(--line);
  border-radius: 999px;
}

.page-home .case-tag:last-child {
  color: var(--copper);
  border-color: rgba(194, 59, 18, 0.35);
  background: transparent;
}

.page-home .case-figure {
  margin: 0 0 18px;
}

.page-home .case-figure .img-frame {
  border-radius: var(--radius-md);
  overflow: hidden;
}

.page-home .home-feedback .link-more {
  color: var(--indigo);
  border-bottom-color: rgba(27, 42, 107, 0.4);
}

.page-home .home-feedback .link-more:hover,
.page-home .home-feedback .link-more:focus-visible {
  color: var(--orange);
  border-bottom-color: var(--orange);
}

/* ---------- 维护与适配 ---------- */
.page-home .home-trust {
  background: var(--pearl);
  border-top: 1px solid var(--line);
}

.page-home .trust-grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: clamp(26px, 4vw, 52px);
  align-items: start;
}

.page-home .trust-copy p {
  max-width: 52ch;
  margin: 0 0 14px;
  font-size: 15.5px;
  line-height: 1.9;
  color: var(--home-ink-soft);
}

.page-home .trust-stats {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 1px;
  background: var(--line);
  border: 1px solid var(--line);
}

.page-home .trust-stats li {
  display: grid;
  gap: 6px;
  padding: 16px 14px;
  background: var(--paper);
}

.page-home .trust-num {
  font-size: 22px;
  font-weight: 700;
  letter-spacing: -0.02em;
  color: var(--indigo);
}

.page-home .trust-label {
  font-size: 12.5px;
  line-height: 1.5;
  color: var(--home-ink-soft);
}

.page-home .trust-links {
  display: flex;
  flex-wrap: wrap;
  gap: 10px 26px;
  margin-top: clamp(24px, 3vw, 38px);
  padding-top: 20px;
  border-top: 1px solid var(--line);
}

.page-home .trust-link {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-size: 13.5px;
  color: var(--indigo);
  text-decoration: none;
  transition: color 0.2s var(--ease);
}

.page-home .trust-link .mono {
  color: var(--orange);
}

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

.page-home .trust-link:focus-visible {
  outline: 2px solid var(--cyan);
  outline-offset: 3px;
}

/* ---------- 响应式 ---------- */
@media (min-width: 720px) {
  .page-home .log-grid {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }

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

@media (min-width: 960px) {
  .page-home .hero-grid {
    grid-template-columns: repeat(12, minmax(0, 1fr));
    align-items: start;
    gap: clamp(16px, 2vw, 28px);
  }

  .page-home .hero-lead {
    grid-column: 1 / span 7;
    grid-row: 1;
  }

  .page-home .hero-axis {
    display: block;
    grid-column: 8 / span 1;
    grid-row: 1;
    align-self: stretch;
    position: relative;
    min-height: 100%;
  }

  .page-home .axis-line {
    display: block;
    position: absolute;
    top: 0;
    bottom: 0;
    left: 50%;
    width: 1px;
    background-image: repeating-linear-gradient(to bottom, var(--line-strong) 0 1px, transparent 1px 26px);
  }

  .page-home .axis-mark {
    position: absolute;
    left: 50%;
    transform: translateX(6px);
    font-size: 10px;
    letter-spacing: 0.16em;
    color: var(--steel);
  }

  .page-home .axis-mark:nth-of-type(2) { top: 8%; }
  .page-home .axis-mark:nth-of-type(3) { bottom: 8%; }

  .page-home .hero-side {
    grid-column: 9 / span 4;
    grid-row: 1;
  }

  .page-home .path-grid {
    grid-template-columns: repeat(12, minmax(0, 1fr));
    gap: clamp(20px, 3vw, 44px);
  }

  .page-home .path-copy {
    grid-column: 1 / span 6;
  }

  .page-home .path-figure {
    grid-column: 7 / span 6;
    padding-top: 34px;
  }

  .page-home .home-legacy .legacy-grid {
    grid-template-columns: repeat(12, minmax(0, 1fr));
    gap: 24px;
  }

  .page-home .legacy-copy {
    grid-column: 1 / span 4;
  }

  .page-home .legacy-tags {
    grid-column: 5 / span 8;
  }

  .page-home .feedback-grid {
    grid-template-columns: repeat(12, minmax(0, 1fr));
    gap: clamp(24px, 3vw, 48px);
  }

  .page-home .feedback-copy {
    grid-column: 1 / span 6;
  }

  .page-home .cases {
    grid-column: 7 / span 6;
  }

  .page-home .trust-grid {
    grid-template-columns: repeat(12, minmax(0, 1fr));
    gap: 32px;
  }

  .page-home .trust-copy {
    grid-column: 1 / span 6;
  }

  .page-home .trust-stats {
    grid-column: 7 / span 6;
  }
}

@media (min-width: 1200px) {
  .page-home .log-col {
    min-height: 340px;
  }

  .page-home .hero-title {
    margin-left: -0.05em;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-home .chain-dot {
    animation: none;
  }

  .page-home .hero-toc a,
  .page-home .oldtag,
  .page-home .link-more {
    transition: none;
  }
}