.page-home {
  background: var(--sand-light);
  color: var(--ink);
  font-family: var(--font-body);
  line-height: 1.72;
  overflow-x: hidden;
}

/* ---------- 首屏 ---------- */
.page-home .hero {
  position: relative;
  overflow: hidden;
  background: linear-gradient(166deg, var(--paper) 0%, var(--sand-light) 44%, var(--mist-wash) 100%);
  border-bottom: 3px solid var(--mist-deep);
}

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

.page-home .hero-inner {
  position: relative;
  z-index: 1;
  display: grid;
  gap: clamp(28px, 4vw, 56px);
  padding-top: clamp(36px, 6vw, 84px);
  padding-bottom: clamp(44px, 6vw, 84px);
}

.page-home .hero-kicker {
  margin: 14px 0 0;
  font-family: var(--font-mono);
  font-size: 13px;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--mist-mid);
}

.page-home .hero-title {
  margin: 12px 0 0;
  font-family: var(--font-display);
  font-size: clamp(30px, 7vw, 52px);
  font-weight: 700;
  line-height: 1.16;
  letter-spacing: 0.01em;
  color: var(--mist-deep);
  max-width: 20ch;
}

.page-home .hero-lede {
  margin: 18px 0 0;
  max-width: 46ch;
  font-size: clamp(15px, 2.4vw, 18px);
  font-family: var(--font-serif);
  color: var(--ink);
}

.page-home .hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 26px;
}

.page-home .hero-facts {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 12px;
}

.page-home .fact {
  display: flex;
  flex-direction: column;
  gap: 4px;
  background: var(--paper);
  border: 2px solid var(--mist-deep);
  box-shadow: var(--shadow-hard);
  padding: 16px 20px;
}

.page-home .fact-num {
  font-family: var(--font-mono);
  font-size: clamp(22px, 4vw, 30px);
  font-weight: 600;
  line-height: 1.1;
  color: var(--mist-deep);
}

.page-home .fact-label {
  font-size: 14px;
  line-height: 1.5;
  color: var(--mist-mid);
}

/* ---------- 章节骨架 ---------- */
.page-home .section {
  padding: clamp(52px, 8vw, 100px) 0;
}

.page-home .section-head {
  max-width: 66ch;
  margin-bottom: clamp(26px, 4vw, 46px);
}

.page-home .section-kicker {
  margin: 0 0 10px;
  font-family: var(--font-mono);
  font-size: 13px;
  font-weight: 600;
  letter-spacing: 0.14em;
  color: var(--signal);
}

.page-home .section-title {
  margin: 0;
  font-family: var(--font-display);
  font-size: clamp(24px, 4.4vw, 34px);
  font-weight: 700;
  line-height: 1.26;
  color: var(--mist-deep);
}

.page-home .section-lede {
  margin: 14px 0 0;
  font-family: var(--font-serif);
  font-size: clamp(15px, 2vw, 17px);
  color: var(--mist-mid);
}

/* ---------- 三条常用路径 ---------- */
.page-home .section-routes {
  background: var(--sand-light);
}

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

.page-home .route-card {
  background: var(--paper);
  border: 2px solid var(--mist-deep);
  border-top: 6px solid var(--signal);
  box-shadow: var(--shadow-sand);
  padding: 22px 22px 24px;
}

.page-home .route-index {
  margin: 0 0 8px;
  font-family: var(--font-mono);
  font-size: 15px;
  font-weight: 600;
  color: var(--signal);
}

.page-home .route-title {
  margin: 0 0 10px;
  font-family: var(--font-display);
  font-size: 20px;
  font-weight: 700;
  line-height: 1.35;
  color: var(--mist-deep);
}

.page-home .route-text {
  margin: 0 0 16px;
  font-size: 15px;
  color: var(--ink);
}

.page-home .route-link {
  display: inline-block;
  font-size: 14px;
  font-weight: 600;
  color: var(--mist-mid);
  text-decoration: none;
  border-bottom: 2px solid var(--signal);
  padding-bottom: 2px;
  transition: transform 0.2s var(--ease);
}

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

/* ---------- 下载入口 ---------- */
.page-home .section-menu {
  background: var(--paper);
  border-top: 3px solid var(--mist-deep);
  border-bottom: 3px solid var(--mist-deep);
}

.page-home .menu-grid {
  display: grid;
  gap: clamp(28px, 5vw, 56px);
}

.page-home .menu-text {
  margin: 16px 0 0;
  font-size: 16px;
  max-width: 46ch;
}

.page-home .step-list {
  list-style: none;
  margin: 24px 0 28px;
  padding: 0;
  display: grid;
  gap: 14px;
}

.page-home .step-item {
  display: grid;
  grid-template-columns: 44px minmax(0, 1fr);
  gap: 12px;
  align-items: start;
  padding-bottom: 12px;
  border-bottom: 1px solid var(--mist-wash);
}

.page-home .step-no {
  font-family: var(--font-mono);
  font-size: 15px;
  font-weight: 600;
  color: var(--signal);
  padding-top: 2px;
}

.page-home .step-text {
  margin: 0;
  font-size: 15px;
}

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

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

.page-home .menu-figure .figure-frame {
  background: var(--mist-wash);
  border: 2px solid var(--mist-deep);
  box-shadow: var(--shadow-hard);
}

.page-home .menu-figure .figure-cap {
  margin-top: 12px;
  font-size: 13px;
  color: var(--mist-mid);
}

/* ---------- 服务清单 ---------- */
.page-home .section-benefits {
  background: var(--sand-light);
}

.page-home .benefit-figure {
  margin: 0 auto clamp(26px, 4vw, 42px);
  max-width: 520px;
}

.page-home .benefit-figure .figure-frame {
  border: 2px solid var(--sand-deep);
  background: var(--paper);
}

.page-home .benefit-figure .figure-cap {
  margin-top: 10px;
  font-size: 13px;
  color: var(--mist-mid);
  text-align: center;
}

.page-home .benefit-grid {
  display: grid;
  gap: 16px;
}

.page-home .benefit-block {
  background: var(--paper);
  border-left: 4px solid var(--mist-light);
  padding: 18px 20px 20px;
}

.page-home .benefit-head {
  display: flex;
  align-items: baseline;
  gap: 10px;
  padding-bottom: 10px;
  margin-bottom: 12px;
  border-bottom: 1px solid var(--sand-mid);
}

.page-home .benefit-range {
  font-family: var(--font-mono);
  font-size: 13px;
  letter-spacing: 0.04em;
  color: var(--sand-deep);
}

.page-home .benefit-name {
  margin: 0;
  font-family: var(--font-display);
  font-size: 17px;
  font-weight: 700;
  color: var(--mist-deep);
}

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

.page-home .benefit-items li {
  display: grid;
  grid-template-columns: 30px minmax(0, 1fr);
  gap: 8px;
  font-size: 14px;
}

.page-home .item-no {
  font-family: var(--font-mono);
  font-size: 13px;
  color: var(--mist-light);
}

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

/* ---------- 版本对照 ---------- */
.page-home .section-diff {
  background: var(--mist-deep);
  color: var(--paper);
}

.page-home .section-diff .section-title {
  color: var(--paper);
}

.page-home .section-diff .section-lede {
  color: var(--mist-wash);
}

.page-home .section-diff .section-kicker {
  color: var(--sand-mid);
}

.page-home .diff-board {
  display: grid;
  gap: 18px;
  background: var(--sand-light);
  border: 2px solid var(--sand-deep);
  box-shadow: 6px 6px 0 var(--sand-deep);
  padding: clamp(20px, 3vw, 32px);
  margin-bottom: clamp(28px, 4vw, 44px);
}

.page-home .diff-row {
  display: grid;
  grid-template-columns: 52px minmax(0, 1fr) 64px;
  align-items: center;
  gap: 12px;
}

.page-home .diff-tag {
  font-size: 14px;
  font-weight: 700;
}

.page-home .diff-tag-add {
  color: var(--archive);
}

.page-home .diff-tag-opt {
  color: var(--mist-mid);
}

.page-home .diff-tag-del {
  color: var(--wine);
}

.page-home .diff-track {
  display: block;
  height: 14px;
  background: var(--sand-mid);
  border: 1px solid var(--mist-light);
}

.page-home .diff-fill {
  display: block;
  height: 100%;
  transition: opacity 0.25s var(--ease);
}

.page-home .diff-fill-add {
  width: 36%;
  background: var(--archive);
}

.page-home .diff-fill-opt {
  width: 48%;
  background: var(--mist-mid);
}

.page-home .diff-fill-del {
  width: 16%;
  background: var(--wine);
}

.page-home .diff-row:hover .diff-fill {
  opacity: 0.72;
}

.page-home .diff-count {
  font-family: var(--font-mono);
  font-size: 15px;
  font-weight: 600;
  color: var(--mist-deep);
  text-align: right;
}

.page-home .diff-figure .figure-frame {
  border: 2px solid var(--sand-deep);
  background: var(--paper);
}

.page-home .diff-figure .figure-cap {
  margin-top: 12px;
  font-size: 13px;
  color: var(--mist-wash);
}

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

/* ---------- 更新记录 ---------- */
.page-home .section-notes {
  background: var(--paper);
}

.page-home .notes-grid {
  display: grid;
  gap: clamp(28px, 5vw, 56px);
}

.page-home .notes-figure .figure-frame {
  border: 2px solid var(--mist-deep);
  box-shadow: var(--shadow-sand);
  background: var(--sand-mid);
}

.page-home .notes-figure .figure-cap {
  margin-top: 12px;
  font-size: 13px;
  color: var(--mist-mid);
}

.page-home .notes-text {
  margin: 16px 0 0;
  font-size: 16px;
  max-width: 46ch;
}

.page-home .notes-list {
  list-style: none;
  margin: 24px 0;
  padding: 0;
  display: grid;
  gap: 12px;
}

.page-home .note-item {
  display: grid;
  gap: 4px;
  padding-bottom: 10px;
  border-bottom: 1px dashed var(--mist-light);
}

.page-home .note-tag {
  font-family: var(--font-mono);
  font-size: 13px;
  font-weight: 600;
  color: var(--mist-mid);
}

.page-home .note-desc {
  font-size: 15px;
}

.page-home .notes-meta {
  margin: 0 0 24px;
  font-size: 14px;
  color: var(--mist-mid);
  border-left: 3px solid var(--signal);
  padding-left: 12px;
}

/* ---------- 常见问题 ---------- */
.page-home .section-faq {
  background: var(--sand-mid);
}

.page-home .faq-list {
  list-style: none;
  margin: 0;
  padding: 0;
}

.page-home .faq-item {
  padding: 20px 0;
  border-bottom: 1px solid var(--sand-deep);
}

.page-home .faq-item:first-child {
  border-top: 1px solid var(--sand-deep);
}

.page-home .faq-q {
  margin: 0 0 8px;
  font-family: var(--font-display);
  font-size: 18px;
  font-weight: 700;
  color: var(--mist-deep);
}

.page-home .faq-a {
  margin: 0 0 10px;
  font-size: 15px;
  max-width: 70ch;
}

.page-home .faq-link {
  display: inline-block;
  font-size: 14px;
  font-weight: 600;
  color: var(--mist-deep);
  text-decoration: none;
  border-bottom: 2px solid var(--signal);
  padding-bottom: 2px;
}

/* ---------- 收束 ---------- */
.page-home .section-close {
  background: var(--mist-deep);
  color: var(--sand-light);
  padding: clamp(44px, 6vw, 72px) 0;
}

.page-home .close-inner {
  display: grid;
  gap: 20px;
  align-items: center;
}

.page-home .close-text {
  margin: 0;
  font-family: var(--font-serif);
  font-size: clamp(16px, 2.4vw, 20px);
  color: var(--sand-light);
  max-width: 52ch;
}

.page-home .close-links {
  display: flex;
  flex-wrap: wrap;
  gap: 22px;
}

.page-home .close-link {
  font-size: 15px;
  font-weight: 600;
  color: var(--sand-light);
  text-decoration: none;
  border-bottom: 2px solid var(--signal);
  padding-bottom: 3px;
  transition: transform 0.2s var(--ease);
}

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

/* ---------- 断点 ---------- */
@media (min-width: 560px) {
  .page-home .hero-facts {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }

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

  .page-home .note-item {
    grid-template-columns: 108px minmax(0, 1fr);
    gap: 14px;
    align-items: baseline;
  }
}

@media (min-width: 900px) {
  .page-home .hero {
    background: var(--sand-light);
  }

  .page-home .hero-slab {
    display: block;
    position: absolute;
    top: -20%;
    right: -6%;
    width: 44%;
    height: 140%;
    background: var(--mist-deep);
    clip-path: polygon(38% 0, 100% 0, 100% 100%, 0 100%);
    z-index: 0;
  }

  .page-home .hero-inner {
    grid-template-columns: minmax(0, 1.1fr) minmax(0, 0.9fr);
    align-items: center;
  }

  .page-home .hero-facts {
    grid-template-columns: minmax(0, 1fr);
    gap: 16px;
  }

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

  .page-home .route-card:nth-child(2) {
    margin-top: 30px;
  }

  .page-home .route-card:nth-child(3) {
    margin-top: 60px;
  }

  .page-home .menu-grid {
    grid-template-columns: minmax(0, 1fr) minmax(0, 1.05fr);
    align-items: center;
  }

  .page-home .notes-grid {
    grid-template-columns: minmax(0, 0.85fr) minmax(0, 1.15fr);
    align-items: start;
  }

  .page-home .close-inner {
    grid-template-columns: minmax(0, 1fr) auto;
    gap: 32px;
  }
}

@media (min-width: 1024px) {
  .page-home .benefit-grid {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }

  .page-home .benefit-figure {
    max-width: 620px;
    margin-left: auto;
    margin-right: 0;
  }
}