.page-home {
  background: var(--obsidian);
  color: var(--ivory);
  font-family: var(--font-body);
  overflow-x: hidden;
}

.page-home .mono {
  font-family: var(--font-mono);
  font-weight: 500;
  letter-spacing: 0.08em;
}

.page-home .home-crumb {
  max-width: 1200px;
  margin: 0 auto;
  padding: 22px 20px 0;
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  align-items: baseline;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.12em;
  color: var(--mauve);
}

/* ---------- 首屏 ---------- */

.page-home .home-hero {
  position: relative;
  isolation: isolate;
  padding: 36px 20px 52px;
  overflow: hidden;
}

.page-home .hero-bg {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  z-index: -2;
  opacity: 0.42;
}

.page-home .home-hero::after {
  content: "";
  position: absolute;
  inset: 0;
  z-index: -1;
  background:
    radial-gradient(circle at 82% 14%, rgba(201, 150, 46, 0.30), transparent 58%),
    linear-gradient(180deg, rgba(14, 13, 18, 0.66) 0%, rgba(14, 13, 18, 0.92) 78%, var(--obsidian) 100%);
}

.page-home .hero-inner {
  max-width: 1200px;
  margin: 0 auto;
  display: grid;
  gap: 34px;
}

.page-home .hero-kicker {
  display: flex;
  align-items: center;
  gap: 12px;
  margin: 0;
  font-size: 13px;
  letter-spacing: 0.18em;
  color: var(--gold);
}

.page-home .hero-title {
  margin: 16px 0 0;
  font-family: var(--font-display);
  font-weight: 900;
  font-size: clamp(30px, 7.6vw, 62px);
  line-height: 1.12;
  letter-spacing: -0.02em;
  color: var(--ivory);
  text-shadow: 3px 3px 0 rgba(0, 0, 0, 0.55);
}

.page-home .hero-lede {
  margin: 20px 0 0;
  max-width: 60ch;
  font-size: 16px;
  line-height: 1.78;
  color: rgba(243, 237, 227, 0.82);
}

.page-home .hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 28px;
}

.page-home .btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 12px 20px;
  border: 2px solid var(--bronze);
  background: transparent;
  color: var(--ivory);
  font-family: var(--font-body);
  font-size: 15px;
  font-weight: 500;
  line-height: 1.2;
  text-decoration: none;
  cursor: pointer;
  transition: transform 0.2s ease, box-shadow 0.2s ease, background-color 0.2s ease,
    color 0.2s ease, border-color 0.2s ease;
}

.page-home .btn--primary {
  background: var(--gold);
  border-color: var(--gold);
  color: var(--obsidian);
  box-shadow: var(--shadow);
}

.page-home .btn--ghost {
  background: rgba(14, 13, 18, 0.5);
}

.page-home .btn:hover,
.page-home .btn:focus-visible {
  transform: translate(-3px, -3px);
  border-color: var(--gold);
  box-shadow: var(--shadow);
  color: var(--gold-light);
}

.page-home .btn--primary:hover,
.page-home .btn--primary:focus-visible {
  color: var(--obsidian);
}

.page-home .hero-fav .favorite-dot {
  display: inline-block;
  width: 9px;
  height: 9px;
  border: 1px solid var(--bronze);
  transform: rotate(45deg);
  transition: background-color 0.2s ease, border-color 0.2s ease;
}

.page-home [data-favorite-toggle][aria-pressed="true"] .favorite-dot,
.page-home [data-favorite-toggle].is-active .favorite-dot {
  background: var(--jade);
  border-color: var(--jade);
}

.page-home .hero-rail {
  border-top: 2px solid var(--bronze);
  padding-top: 16px;
}

.page-home .hero-rail-label {
  margin: 0;
  font-size: 12px;
  letter-spacing: 0.22em;
  color: var(--mauve);
}

.page-home .hero-rail-list {
  list-style: none;
  margin: 14px 0 0;
  padding: 0;
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 2px;
}

.page-home .hero-rail-list a {
  display: flex;
  align-items: baseline;
  gap: 10px;
  padding: 9px 6px;
  font-size: 14px;
  color: var(--ivory);
  text-decoration: none;
  border-left: 3px solid transparent;
  transition: border-color 0.2s ease, color 0.2s ease, background-color 0.2s ease;
}

.page-home .hero-rail-list a .mono {
  font-size: 12px;
  color: var(--gold);
}

.page-home .hero-rail-list a:hover,
.page-home .hero-rail-list a:focus-visible {
  border-left-color: var(--jade);
  background: rgba(201, 150, 46, 0.10);
  color: var(--gold-light);
}

/* ---------- 通用区块骨架 ---------- */

.page-home .section {
  padding: 52px 20px;
  border-top: 2px solid rgba(138, 97, 23, 0.4);
}

.page-home .section--teal {
  background: linear-gradient(158deg, var(--teal) 0%, #0a2930 100%);
}

.page-home .section--indigo {
  background: linear-gradient(158deg, var(--indigo) 0%, #221020 100%);
}

.page-home .section--terracotta {
  background: linear-gradient(158deg, var(--terracotta) 0%, #7a2f1f 100%);
}

.page-home .section--graphite {
  background: var(--graphite);
}

.page-home .section-head,
.page-home .filter-bar,
.page-home .zone-layout,
.page-home .log-figure,
.page-home .timeline,
.page-home .steps,
.page-home .cmp-figure,
.page-home .compare-grid,
.page-home .qa-list,
.page-home .contact-lines,
.page-home .log-more,
.page-home .cmp-more,
.page-home .contact-note {
  max-width: 1200px;
  margin-left: auto;
  margin-right: auto;
}

.page-home .section-number {
  margin: 0;
  font-size: 13px;
  letter-spacing: 0.2em;
  color: var(--gold);
}

.page-home .section-title {
  margin: 10px 0 0;
  font-family: var(--font-display);
  font-weight: 900;
  font-size: clamp(25px, 5.4vw, 42px);
  line-height: 1.16;
  letter-spacing: -0.01em;
  color: var(--ivory);
}

.page-home .section-lede {
  margin: 12px 0 0;
  max-width: 62ch;
  font-size: 16px;
  line-height: 1.75;
  color: rgba(243, 237, 227, 0.78);
}

/* ---------- 筛选 ---------- */

.page-home .filter-bar {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-bottom: 24px;
}

.page-home .filter-button {
  padding: 8px 16px;
  border: 2px solid var(--bronze);
  background: rgba(14, 13, 18, 0.45);
  color: var(--ivory);
  font-family: var(--font-body);
  font-size: 14px;
  cursor: pointer;
  transition: border-color 0.2s ease, background-color 0.2s ease, color 0.2s ease;
}

.page-home .filter-button:hover,
.page-home .filter-button:focus-visible {
  border-color: var(--gold);
  color: var(--gold-light);
}

.page-home .filter-button[aria-pressed="true"] {
  background: var(--gold);
  border-color: var(--gold);
  color: var(--obsidian);
}

/* ---------- 分区矩阵 ---------- */

.page-home .zone-layout {
  display: grid;
  gap: 24px;
}

.page-home .index-matrix {
  display: grid;
  gap: 18px;
}

.page-home .index-cell {
  display: flex;
  flex-direction: column;
  gap: 10px;
  padding: 20px;
  background: rgba(14, 13, 18, 0.74);
  border: 2px solid var(--bronze);
  box-shadow: var(--shadow);
  transition: border-color 0.2s ease, transform 0.2s ease, box-shadow 0.2s ease;
}

.page-home .index-cell:hover {
  border-color: var(--gold);
  transform: translate(-3px, -3px);
  box-shadow: 8px 8px 0 rgba(0, 0, 0, 0.5);
}

.page-home .index-no {
  margin: 0;
  font-size: 12px;
  letter-spacing: 0.16em;
  color: var(--gold);
}

.page-home .index-title {
  margin: 0;
  font-family: var(--font-display);
  font-weight: 900;
  font-size: 23px;
  line-height: 1.25;
  color: var(--ivory);
}

.page-home .index-desc {
  margin: 0;
  font-size: 15px;
  line-height: 1.72;
  color: rgba(243, 237, 227, 0.78);
}

.page-home .panel-status {
  display: flex;
  flex-direction: column;
  gap: 6px;
  margin-top: auto;
  padding-top: 10px;
  border-top: 1px dashed rgba(138, 97, 23, 0.7);
}

.page-home .status-line {
  display: flex;
  justify-content: space-between;
  gap: 10px;
  margin: 0;
  font-size: 12.5px;
}

.page-home .status-label {
  color: var(--mauve);
}

.page-home .status-value {
  color: var(--jade);
}

.page-home .cell-link {
  align-self: flex-start;
  font-size: 14px;
  color: var(--gold-light);
  text-decoration: none;
  padding-bottom: 2px;
  border-bottom: 1px solid var(--bronze);
  transition: color 0.2s ease, border-color 0.2s ease;
}

.page-home .cell-link:hover,
.page-home .cell-link:focus-visible {
  color: var(--gold);
  border-color: var(--gold);
}

/* ---------- 图片容器 ---------- */

.page-home .image-frame {
  margin: 0;
  border: 2px solid var(--bronze);
  background: var(--graphite);
  box-shadow: var(--shadow);
  overflow: hidden;
}

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

.page-home .zone-figure {
  align-self: start;
}

.page-home .log-figure {
  margin-bottom: 30px;
}

/* ---------- 时间线 ---------- */

.page-home .timeline {
  list-style: none;
  position: relative;
  padding: 0 0 0 24px;
}

.page-home .timeline::before {
  content: "";
  position: absolute;
  left: 5px;
  top: 6px;
  bottom: 6px;
  width: 2px;
  background: linear-gradient(180deg, var(--gold-light), var(--bronze));
}

.page-home .timeline-item {
  position: relative;
  padding-bottom: 28px;
}

.page-home .timeline-item:last-child {
  padding-bottom: 0;
}

.page-home .timeline-item::before {
  content: "";
  position: absolute;
  left: -24px;
  top: 7px;
  width: 10px;
  height: 10px;
  background: var(--gold);
  transform: rotate(45deg);
  box-shadow: 0 0 0 2px rgba(14, 13, 18, 0.9);
}

.page-home .timeline-date {
  margin: 0;
  font-size: 12.5px;
  letter-spacing: 0.14em;
  color: var(--gold-light);
}

.page-home .timeline-title {
  margin: 6px 0 0;
  font-family: var(--font-display);
  font-weight: 900;
  font-size: 21px;
  line-height: 1.3;
  color: var(--ivory);
}

.page-home .timeline-body {
  margin: 8px 0 0;
  max-width: 62ch;
  font-size: 15px;
  line-height: 1.76;
  color: rgba(243, 237, 227, 0.78);
}

.page-home .log-more,
.page-home .cmp-more {
  margin-top: 30px;
}

/* ---------- 约看三步 ---------- */

.page-home .steps {
  list-style: none;
  padding: 0;
  display: grid;
  gap: 18px;
}

.page-home .step {
  position: relative;
  padding: 22px 20px;
  background: rgba(14, 13, 18, 0.30);
  border: 2px solid rgba(243, 237, 227, 0.36);
  box-shadow: var(--shadow);
}

.page-home .step-no {
  margin: 0;
  font-size: 12.5px;
  letter-spacing: 0.16em;
  color: var(--gold-light);
}

.page-home .step-title {
  margin: 10px 0 0;
  font-family: var(--font-display);
  font-weight: 900;
  font-size: 21px;
  line-height: 1.3;
  color: var(--ivory);
}

.page-home .step-body {
  margin: 8px 0 0;
  font-size: 15px;
  line-height: 1.72;
  color: rgba(243, 237, 227, 0.84);
}

/* ---------- 版本对照 ---------- */

.page-home .cmp-figure {
  margin-bottom: 26px;
}

.page-home .compare-grid {
  display: grid;
  gap: 18px;
}

.page-home .compare-column {
  border: 2px solid var(--bronze);
  background: rgba(14, 13, 18, 0.6);
  box-shadow: var(--shadow);
}

.page-home .compare-header {
  cursor: pointer;
  list-style: none;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  padding: 14px 18px;
  background: rgba(201, 150, 46, 0.12);
  font-family: var(--font-mono);
  font-size: 14px;
  letter-spacing: 0.1em;
  color: var(--gold-light);
  transition: background-color 0.2s ease, color 0.2s ease;
}

.page-home .compare-header::-webkit-details-marker {
  display: none;
}

.page-home .compare-header::after {
  content: "−";
  font-family: var(--font-mono);
  font-size: 16px;
  color: var(--gold);
}

.page-home .compare-column:not([open]) .compare-header::after {
  content: "+";
}

.page-home .compare-header:hover,
.page-home .compare-header:focus-visible {
  background: rgba(201, 150, 46, 0.2);
  color: var(--ivory);
}

.page-home .compare-body {
  display: flex;
  flex-direction: column;
  gap: 12px;
  padding: 16px 18px 20px;
}

.page-home .compare-body p {
  margin: 0;
  font-size: 15px;
  line-height: 1.74;
  color: rgba(243, 237, 227, 0.8);
}

/* ---------- 常见问题 ---------- */

.page-home .qa-list {
  display: grid;
  gap: 18px;
}

.page-home .qa-item {
  display: flex;
  flex-direction: column;
  gap: 10px;
  padding: 18px 20px;
  background: rgba(255, 255, 255, 0.035);
  border-left: 4px solid var(--gold);
}

.page-home .qa-q {
  margin: 0;
  font-family: var(--font-display);
  font-weight: 900;
  font-size: 18px;
  line-height: 1.5;
  color: var(--ivory);
}

.page-home .qa-a {
  margin: 0;
  font-size: 15px;
  line-height: 1.74;
  color: rgba(243, 237, 227, 0.76);
}

.page-home .qa-link {
  align-self: flex-start;
  margin-top: auto;
  font-size: 14px;
  color: var(--gold-light);
  text-decoration: none;
  padding-bottom: 2px;
  border-bottom: 1px solid var(--bronze);
  transition: color 0.2s ease, border-color 0.2s ease;
}

.page-home .qa-link:hover,
.page-home .qa-link:focus-visible {
  color: var(--gold);
  border-color: var(--gold);
}

/* ---------- 呼吸区 ---------- */

.page-home .home-breath {
  height: 132px;
  background:
    radial-gradient(circle at 50% 55%, rgba(201, 150, 46, 0.16), transparent 62%),
    var(--obsidian);
}

/* ---------- 联系通道 ---------- */

.page-home .home-contact {
  border-top: 2px solid var(--bronze);
}

.page-home .contact-lines {
  list-style: none;
  padding: 0;
  display: grid;
  gap: 14px;
}

.page-home .contact-lines li {
  display: flex;
  gap: 14px;
  align-items: baseline;
  padding-bottom: 12px;
  border-bottom: 1px dashed rgba(138, 97, 23, 0.55);
  font-size: 15px;
  line-height: 1.7;
  color: var(--ivory);
  overflow-wrap: anywhere;
}

.page-home .contact-lines .mono {
  flex: 0 0 auto;
  min-width: 44px;
  font-size: 12.5px;
  letter-spacing: 0.12em;
  color: var(--gold);
}

.page-home .contact-note {
  margin-top: 22px;
  font-size: 14px;
  line-height: 1.72;
  color: var(--mauve);
}

/* ---------- 进入视口显现 ---------- */

.page-home [data-reveal] {
  opacity: 0;
  transform: translateY(12px);
  transition: opacity 0.5s ease, transform 0.5s ease;
}

.page-home [data-reveal].is-visible {
  opacity: 1;
  transform: translateY(0);
}

.page-home .is-filtered-out {
  display: none;
}

/* ---------- 平板与桌面 ---------- */

@media (min-width: 760px) {
  .page-home .home-crumb {
    padding: 26px 40px 0;
  }

  .page-home .contact-lines {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 14px 28px;
  }

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

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

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

  .page-home .image-frame--slant {
    clip-path: polygon(0 0, 100% 2.5%, 100% 100%, 0 97.5%);
  }
}

@media (min-width: 1000px) {
  .page-home .home-hero {
    padding: 72px 40px 96px;
  }

  .page-home .section {
    padding: 86px 40px;
  }

  .page-home .hero-inner {
    grid-template-columns: minmax(0, 1fr) 236px;
    gap: 56px;
    align-items: start;
  }

  .page-home .hero-rail {
    border-top: none;
    border-left: 2px solid var(--bronze);
    padding: 4px 0 4px 20px;
  }

  .page-home .hero-rail-list {
    grid-template-columns: 1fr;
    margin-top: 16px;
  }

  .page-home .hero-rail-list a {
    font-size: 15px;
    padding: 10px 8px;
  }

  .page-home .zone-layout {
    grid-template-columns: minmax(0, 2fr) minmax(0, 1fr);
    gap: 28px;
    align-items: start;
  }

  .page-home .index-matrix {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 20px;
    align-items: start;
  }

  .page-home .index-cell:nth-child(even) {
    margin-top: 20px;
  }

  .page-home .timeline {
    padding-left: 28px;
  }

  .page-home .timeline-item::before {
    left: -28px;
  }

  .page-home .log-more,
  .page-home .cmp-more {
    margin-top: 36px;
  }
}

@media (min-width: 1280px) {
  .page-home .hero-title {
    font-size: clamp(44px, 5vw, 68px);
  }

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

  .page-home .index-cell:nth-child(even) {
    margin-top: 0;
  }

  .page-home .index-cell:nth-child(3n + 2) {
    margin-top: 24px;
  }

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

@media (prefers-reduced-motion: reduce) {
  .page-home .btn,
  .page-home .index-cell,
  .page-home .filter-button,
  .page-home .cell-link,
  .page-home .qa-link,
  .page-home .hero-rail-list a,
  .page-home [data-reveal] {
    transition: color 0.2s ease, background-color 0.2s ease, border-color 0.2s ease,
      opacity 0.2s ease;
  }

  .page-home .btn:hover,
  .page-home .index-cell:hover,
  .page-home [data-reveal] {
    transform: none;
  }
}
</main>