.page-home {
  --home-gap: clamp(44px, 6vw, 76px);
  background: var(--ice);
  color: var(--ink);
  font-family: var(--font-sans);
}

.page-home .direct-main,
.page-home .direct-rail,
.page-home .finder,
.page-home .compare,
.page-home .scenes,
.page-home .services {
  scroll-margin-top: 96px;
}

/* ---------- 首屏 ---------- */
.page-home .hero {
  background:
    radial-gradient(120% 100% at 84% 0%, rgba(0, 194, 255, 0.24), transparent 62%),
    var(--ink);
  color: var(--white);
  border-bottom: var(--border);
  padding: clamp(26px, 4.6vw, 52px) 0 clamp(34px, 5.6vw, 66px);
}

.page-home .hero-grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: clamp(26px, 4vw, 46px);
  align-items: start;
}

.page-home .hero h1 {
  margin: 14px 0 0;
  font-size: clamp(34px, 5.6vw, 50px);
  line-height: 1.14;
  letter-spacing: -0.02em;
  font-weight: 800;
  color: var(--white);
}

.page-home .hero h1 .hl {
  color: var(--cyan);
  font-style: normal;
}

.page-home .hero .eyebrow {
  display: inline-block;
  margin: 0;
  padding: 5px 10px;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.14em;
  font-weight: 700;
  color: var(--cyan);
  border: 2px solid rgba(0, 194, 255, 0.45);
  background: rgba(0, 194, 255, 0.1);
}

.page-home .hero .lede {
  margin: 20px 0 0;
  max-width: 44ch;
  font-size: clamp(15px, 1.6vw, 17px);
  line-height: 1.78;
  color: rgba(245, 249, 255, 0.84);
}

.page-home .hero-paths {
  list-style: none;
  margin: clamp(22px, 3.4vw, 34px) 0 0;
  padding: 0;
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 12px;
}

.page-home .path-link {
  display: flex;
  flex-direction: column;
  gap: 5px;
  height: 100%;
  padding: 14px 15px 15px;
  background: rgba(245, 249, 255, 0.06);
  border: 2px solid rgba(0, 194, 255, 0.35);
  color: var(--white);
  text-decoration: none;
  transition: transform 0.16s ease, border-color 0.16s ease, background 0.16s ease, box-shadow 0.16s ease;
}

.page-home .path-link:hover,
.page-home .path-link:focus-visible {
  transform: translate(-2px, -3px);
  border-color: var(--cyan);
  background: rgba(0, 194, 255, 0.16);
  box-shadow: 5px 5px 0 rgba(0, 194, 255, 0.4);
}

.page-home .path-kicker {
  font-size: 10.5px;
  letter-spacing: 0.13em;
  color: var(--cyan);
}

.page-home .path-title {
  font-size: 15px;
  font-weight: 700;
  line-height: 1.45;
}

.page-home .path-sub {
  font-size: 12.5px;
  line-height: 1.55;
  color: rgba(220, 235, 250, 0.72);
}

.page-home .path-arrow {
  margin-top: 8px;
  color: var(--cyan);
  transition: transform 0.16s ease;
}

.page-home .path-link:hover .path-arrow,
.page-home .path-link:focus-visible .path-arrow {
  transform: translateX(4px);
}

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

.page-home .hero-figure .media-frame {
  border: var(--border);
  box-shadow: var(--shadow-hard);
  background: var(--fog);
  overflow: hidden;
}

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

.page-home .hero-figure .media-caption {
  margin-top: 12px;
  font-size: 12.5px;
  line-height: 1.6;
  color: rgba(220, 235, 250, 0.7);
}

/* ---------- 章节标题 ---------- */
.page-home .section-head {
  max-width: 62ch;
}

.page-home .section-head .eyebrow {
  margin: 0;
  font-family: var(--font-mono);
  font-size: 11.5px;
  letter-spacing: 0.13em;
  font-weight: 700;
  color: var(--teal);
}

.page-home .section-head h2 {
  margin: 10px 0 0;
  font-size: clamp(23px, 3.3vw, 33px);
  line-height: 1.24;
  letter-spacing: -0.01em;
  font-weight: 800;
  color: var(--ink);
}

.page-home .section-lede {
  margin: 12px 0 0;
  font-size: clamp(14.5px, 1.5vw, 16px);
  line-height: 1.78;
  color: var(--steel);
}

.page-home .section-lede .mono {
  padding: 1px 5px;
  background: var(--fog);
  color: var(--teal);
  font-size: 0.94em;
}

/* ---------- 目录 + 时间轴 ---------- */
.page-home .direct {
  padding: var(--home-gap) 0;
  border-bottom: var(--border);
}

.page-home .direct-grid {
  display: flex;
  flex-direction: column;
  gap: var(--home-gap);
}

.page-home .cat-list {
  list-style: none;
  margin: clamp(20px, 3vw, 28px) 0 0;
  padding: 0;
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 12px;
}

.page-home .cat-card a {
  display: flex;
  align-items: flex-start;
  gap: 13px;
  height: 100%;
  padding: 15px 15px 17px;
  background: var(--white);
  border: var(--border);
  box-shadow: var(--shadow-soft);
  text-decoration: none;
  color: var(--ink);
  transition: transform 0.16s ease, box-shadow 0.16s ease, background 0.16s ease;
}

.page-home .cat-card a:hover,
.page-home .cat-card a:focus-visible {
  transform: translate(-3px, -3px);
  box-shadow: var(--shadow-hard);
  background: var(--fog);
}

.page-home .cat-num {
  flex: 0 0 auto;
  display: grid;
  place-items: center;
  width: 38px;
  height: 38px;
  background: var(--ink);
  color: var(--cyan);
  border: 2px solid var(--black);
  font-family: var(--font-mono);
  font-size: 14px;
  font-weight: 700;
}

.page-home .cat-body {
  display: flex;
  flex-direction: column;
  gap: 4px;
  min-width: 0;
  flex: 1 1 auto;
}

.page-home .cat-title {
  font-size: 16.5px;
  font-weight: 700;
  line-height: 1.35;
}

.page-home .cat-desc {
  font-size: 13.5px;
  line-height: 1.68;
  color: var(--slate);
}

.page-home .cat-path {
  margin-top: 2px;
  font-size: 11.5px;
  letter-spacing: 0.04em;
  color: var(--teal);
  border-bottom: 1px dashed var(--teal);
  align-self: flex-start;
}

.page-home .cat-arrow {
  flex: 0 0 auto;
  margin-top: 12px;
  color: var(--steel);
  transition: transform 0.16s ease, color 0.16s ease;
}

.page-home .cat-card a:hover .cat-arrow,
.page-home .cat-card a:focus-visible .cat-arrow {
  transform: translateX(4px);
  color: var(--cyan);
}

/* 右侧时间轴 */
.page-home .rail-card {
  background: var(--white);
  border: var(--border);
  box-shadow: var(--shadow-hard);
  overflow: hidden;
}

.page-home .rail-head {
  padding: 15px 17px 17px;
  background: var(--ink);
  color: var(--white);
}

.page-home .rail-kicker {
  margin: 0;
  font-size: 10.5px;
  letter-spacing: 0.14em;
  color: var(--amber);
}

.page-home .rail-head h2 {
  margin: 7px 0 0;
  font-size: clamp(19px, 2.4vw, 23px);
  line-height: 1.3;
  font-weight: 800;
  color: var(--white);
}

.page-home .rail-note {
  margin: 8px 0 0;
  font-size: 13px;
  line-height: 1.65;
  color: rgba(220, 235, 250, 0.78);
}

.page-home .tl-list {
  padding: 18px 17px 4px;
}

.page-home .tl-item {
  position: relative;
  margin-left: 6px;
  padding: 0 0 16px 20px;
  border-left: 2px solid var(--fog);
}

.page-home .tl-item:last-child {
  padding-bottom: 6px;
}

.page-home .tl-item::before {
  content: "";
  position: absolute;
  left: -7px;
  top: 7px;
  width: 12px;
  height: 12px;
  background: var(--amber);
  border: 2px solid var(--black);
  border-radius: 50%;
  transition: background 0.16s ease;
}

.page-home .tl-item[open]::before {
  background: var(--cyan);
}

.page-home .tl-item summary {
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  gap: 3px 8px;
  padding: 2px 0 6px;
  cursor: pointer;
  list-style: none;
}

.page-home .tl-item summary::-webkit-details-marker {
  display: none;
}

.page-home .tl-item summary::marker {
  content: "";
}

.page-home .tl-item summary::after {
  content: "＋";
  margin-left: auto;
  font-family: var(--font-mono);
  font-size: 13px;
  color: var(--slate);
}

.page-home .tl-item[open] summary::after {
  content: "－";
  color: var(--teal);
}

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

.page-home .tl-when {
  font-size: 10.5px;
  letter-spacing: 0.1em;
  font-weight: 700;
  color: var(--amber);
}

.page-home .tl-title {
  flex: 1 1 auto;
  min-width: 0;
  font-size: 14.5px;
  font-weight: 700;
  line-height: 1.5;
  color: var(--ink);
}

.page-home .tl-body {
  margin: 0;
  font-size: 13px;
  line-height: 1.7;
  color: var(--slate);
}

.page-home .rail-foot {
  padding: 4px 17px 18px;
}

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

.page-home .rail-figure .media-frame {
  aspect-ratio: 1 / 1;
  overflow: hidden;
  border: var(--border);
  box-shadow: var(--shadow-soft);
  background: var(--fog);
}

.page-home .rail-figure img {
  display: block;
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.page-home .rail-figure .media-caption {
  margin-top: 10px;
  font-size: 12px;
  line-height: 1.6;
  color: var(--slate);
}

/* ---------- 站内查找 ---------- */
.page-home .finder {
  padding: var(--home-gap) 0;
  border-bottom: var(--border);
  background: var(--white);
}

.page-home .finder-grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: clamp(24px, 3.4vw, 44px);
  align-items: start;
}

.page-home .finder-hints {
  list-style: none;
  margin: clamp(18px, 2.6vw, 24px) 0 0;
  padding: 0;
  display: grid;
  gap: 10px;
}

.page-home .finder-hints li {
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  gap: 4px 12px;
  padding: 10px 13px;
  background: var(--ice);
  border-left: 4px solid var(--cyan);
}

.page-home .hint-key {
  font-size: 11px;
  letter-spacing: 0.1em;
  font-weight: 700;
  color: var(--teal);
}

.page-home .hint-val {
  font-size: 13.5px;
  line-height: 1.6;
  color: var(--steel);
}

.page-home .finder-tip {
  margin: 16px 0 20px;
  font-size: 13.5px;
  line-height: 1.72;
  color: var(--slate);
}

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

.page-home .finder-figure .media-frame {
  border: var(--border);
  box-shadow: var(--shadow-hard);
  overflow: hidden;
  background: var(--fog);
}

.page-home .finder-figure img {
  display: block;
  width: 100%;
  height: auto;
  object-fit: cover;
}

.page-home .finder-figure .media-caption {
  margin-top: 12px;
  font-size: 12.5px;
  line-height: 1.6;
  color: var(--slate);
}

/* ---------- 常用入口 ---------- */
.page-home .compare {
  padding: var(--home-gap) 0;
  border-bottom: var(--border);
}

.page-home .compare-grid {
  margin-top: clamp(20px, 3vw, 28px);
}

.page-home .compare-card {
  display: flex;
  flex-direction: column;
  gap: 12px;
  padding: clamp(18px, 2.8vw, 26px);
  background: var(--white);
  border: var(--border);
  box-shadow: var(--shadow-hard);
}

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

.page-home .compare-card .card-title {
  margin: 0;
  font-size: clamp(17px, 2.1vw, 20px);
  line-height: 1.4;
  font-weight: 800;
  color: var(--ink);
}

.page-home .compare-text {
  margin: 0;
  flex: 1 1 auto;
  font-size: 14.5px;
  line-height: 1.75;
  color: var(--steel);
}

.page-home .compare-card .btn {
  align-self: flex-start;
}

/* ---------- 访问场景 ---------- */
.page-home .scenes {
  padding: var(--home-gap) 0;
  border-bottom: var(--border);
  background: var(--white);
}

.page-home .scene-list {
  list-style: none;
  margin: clamp(20px, 3vw, 28px) 0 0;
  padding: 0;
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 13px;
}

.page-home .scene {
  display: flex;
  flex-direction: column;
  gap: 9px;
  padding: 17px 15px 16px;
  background: var(--ice);
  border: var(--border);
  box-shadow: var(--shadow-soft);
  transition: transform 0.16s ease, box-shadow 0.16s ease;
}

.page-home .scene:hover {
  transform: translateY(-3px);
  box-shadow: var(--shadow-hard);
}

.page-home .scene-num {
  align-self: flex-start;
  padding: 2px 8px;
  background: var(--ink);
  color: var(--cyan);
  font-size: 11px;
  letter-spacing: 0.1em;
  font-weight: 700;
}

.page-home .scene-title {
  margin: 0;
  font-size: 16.5px;
  font-weight: 700;
  line-height: 1.4;
  color: var(--ink);
}

.page-home .scene p {
  margin: 0;
  flex: 1 1 auto;
  font-size: 13.5px;
  line-height: 1.7;
  color: var(--slate);
}

.page-home .scene a {
  align-self: flex-start;
  font-size: 13px;
  color: var(--teal);
  text-decoration: none;
  border-bottom: 1px dashed var(--teal);
}

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

/* ---------- 服务与联系 ---------- */
.page-home .services {
  padding: var(--home-gap) 0;
  background: var(--fog);
  border-bottom: var(--border);
}

.page-home .services-grid {
  margin-top: clamp(20px, 3vw, 28px);
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 12px;
}

.page-home .service-tile {
  display: flex;
  flex-direction: column;
  gap: 6px;
  padding: 15px 15px 17px;
  background: var(--white);
  border: var(--border);
  box-shadow: var(--shadow-soft);
}

.page-home .service-tile .mono {
  font-size: 10.5px;
  letter-spacing: 0.13em;
  font-weight: 700;
  color: var(--slate);
}

.page-home .service-tile strong {
  font-size: clamp(15px, 1.9vw, 18px);
  line-height: 1.45;
  font-weight: 800;
  color: var(--ink);
  overflow-wrap: anywhere;
}

.page-home .service-sub {
  font-size: 13px;
  line-height: 1.65;
  color: var(--slate);
}

.page-home .copy-btn {
  align-self: flex-start;
  margin-top: 6px;
  padding: 4px 10px;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.08em;
  color: var(--ink);
  background: var(--mint);
  border: 2px solid var(--black);
  cursor: pointer;
  transition: transform 0.14s ease, background 0.14s ease;
}

.page-home .copy-btn:hover {
  transform: translateY(-2px);
  background: var(--cyan);
}

.page-home .copy-btn[data-copied="true"] {
  background: var(--amber);
}

.page-home .services-actions {
  margin-top: clamp(18px, 2.6vw, 24px);
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
}

/* ---------- 天际线 ---------- */
.page-home .skyline {
  margin: 0;
  background: var(--ink);
  border-bottom: var(--border);
  line-height: 0;
}

.page-home .skyline img {
  display: block;
  width: 100%;
  height: auto;
  object-fit: cover;
  opacity: 0.92;
}

/* ---------- 断点 ---------- */
@media (min-width: 560px) {
  .page-home .services-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

@media (min-width: 700px) {
  .page-home .hero-paths {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }

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

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

  .page-home .finder-grid {
    grid-template-columns: minmax(0, 1fr) minmax(0, 1fr);
    align-items: center;
  }
}

@media (min-width: 900px) {
  .page-home .hero-grid {
    grid-template-columns: minmax(0, 1.02fr) minmax(0, 0.98fr);
    align-items: start;
  }
}

@media (min-width: 1000px) {
  .page-home .direct-grid {
    display: grid;
    grid-template-columns: minmax(0, 1.55fr) minmax(0, 1fr);
    gap: clamp(30px, 4vw, 54px);
    align-items: start;
  }

  .page-home .rail-card {
    position: sticky;
    top: 96px;
  }

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

@media (prefers-reduced-motion: reduce) {
  .page-home .path-link,
  .page-home .cat-card a,
  .page-home .scene,
  .page-home .copy-btn,
  .page-home .path-arrow,
  .page-home .cat-arrow {
    transition: none;
  }

  .page-home .path-link:hover,
  .page-home .path-link:focus-visible,
  .page-home .cat-card a:hover,
  .page-home .cat-card a:focus-visible,
  .page-home .scene:hover,
  .page-home .copy-btn:hover {
    transform: none;
  }
}