.page-home {
  --ph-edge: 2px solid var(--ink);
  --ph-hair: 2px solid var(--sand);
  --ph-pad: 20px;
  --ph-shadow: 6px 6px 0 var(--ink);
  background: var(--paper);
  color: var(--body-ink);
}

/* ---------- 首屏 ---------- */
.page-home__hero {
  display: grid;
  gap: 30px;
  padding: 22px var(--ph-pad) 40px;
  border-bottom: 3px solid var(--ink);
  background: var(--paper);
}

.page-home .crumbs {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 8px;
  margin: 0 0 18px;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: .04em;
  color: var(--slate);
}
.page-home .crumbs__sep { color: var(--amber); }

.page-home__h1 {
  margin: 0 0 20px;
  font-family: var(--font-head);
  font-weight: 900;
  font-size: clamp(32px, 6.2vw, 60px);
  line-height: 1.08;
  letter-spacing: -.02em;
  color: var(--ink);
}
.page-home__h1 em {
  font-style: normal;
  box-shadow: inset 0 -.24em 0 var(--amber-lt);
}

.page-home__lead {
  max-width: 62ch;
  margin: 0 0 26px;
  font-size: clamp(15px, 1.6vw, 17px);
  line-height: 1.8;
  color: var(--body-ink);
}

.page-home__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-bottom: 22px;
}

.page-home__stamp {
  display: inline-flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 6px 14px;
  margin: 0;
  padding: 8px 14px;
  border: var(--ph-edge);
  background: var(--paper-dim);
  font-size: 12px;
  letter-spacing: .03em;
  color: var(--slate);
}
.page-home__stamp strong {
  color: var(--stamp);
  font-weight: 700;
}

.page-home__hero-fig {
  margin: 0;
  align-self: start;
}
.page-home__hero-fig .media__img {
  display: block;
  width: 100%;
  height: auto;
  border: var(--ph-edge);
  box-shadow: var(--ph-shadow);
  object-fit: cover;
}

@media (min-width: 900px) {
  .page-home__hero {
    grid-template-columns: minmax(0, 1.85fr) minmax(0, 1fr);
    gap: 46px;
    align-items: start;
    padding: 44px 48px 58px;
  }
}

/* ---------- 首屏索引 ---------- */
.page-home__index {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 2px;
  background: var(--ink);
  border-bottom: 3px solid var(--ink);
}

.page-home__index-item {
  display: flex;
  flex-direction: column;
  gap: 4px;
  padding: 16px 16px 18px;
  background: var(--paper);
  color: var(--ink);
  text-decoration: none;
  transition: background 240ms var(--ease), transform 240ms var(--ease);
}
.page-home__index-item:hover,
.page-home__index-item:focus-visible {
  background: var(--amber-lt);
  transform: translateY(-2px);
}
.page-home__index-no {
  font-size: 19px;
  font-weight: 700;
  line-height: 1;
  color: var(--amber);
}
.page-home__index-item:hover .page-home__index-no { color: var(--signal); }
.page-home__index-tt {
  font-family: var(--font-head);
  font-weight: 900;
  font-size: 15px;
  letter-spacing: -.01em;
}
.page-home__index-sub {
  font-size: 12px;
  line-height: 1.5;
  color: var(--slate);
}

@media (min-width: 760px) {
  .page-home__index { grid-template-columns: repeat(4, minmax(0, 1fr)); }
  .page-home__index-item { padding: 20px 20px 22px; }
}

/* ---------- 章节骨架 ---------- */
.page-home__sec {
  padding: 42px var(--ph-pad) 48px;
  border-bottom: var(--ph-hair);
  scroll-margin-top: 84px;
}
.page-home__sec .sec-head { margin-bottom: 30px; }

.page-home__more {
  margin: 30px 0 0;
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
}

@media (min-width: 900px) {
  .page-home__sec { padding: 74px 48px 80px; }
  .page-home__sec .sec-head { margin-bottom: 40px; }
}

/* ---------- 01 本周校订 ---------- */
.page-home__week {
  display: grid;
  gap: 28px;
}

.page-home__bars {
  display: grid;
  gap: 22px;
}
.page-home__bars .databar__fill {
  width: var(--w, 50%);
  transition: width 480ms var(--ease);
}

.page-home__gauge {
  margin: 0;
  padding: 22px 20px 20px;
  border: var(--ph-edge);
  box-shadow: var(--ph-shadow);
  background: var(--paper-dim);
  display: grid;
  justify-items: center;
  gap: 12px;
}
.page-home__gauge svg {
  width: 132px;
  height: 132px;
  max-width: 100%;
}
.page-home__gauge figcaption { text-align: center; }
.page-home__gauge-num {
  display: block;
  font-size: 30px;
  font-weight: 700;
  line-height: 1;
  letter-spacing: -.03em;
  color: var(--stamp);
}
.page-home__gauge-cap {
  display: block;
  margin-top: 6px;
  font-size: 12px;
  line-height: 1.55;
  color: var(--slate);
}

@media (min-width: 860px) {
  .page-home__week {
    grid-template-columns: minmax(0, 1.7fr) minmax(0, .8fr);
    gap: 44px;
    align-items: start;
  }
}

/* ---------- 02 价格区间 ---------- */
.page-home__tiers-art {
  margin: 0 0 28px;
}
.page-home__tiers-art .media__img {
  display: block;
  width: 100%;
  height: auto;
  border: var(--ph-edge);
  object-fit: cover;
}

.page-home__tiers {
  display: grid;
  grid-template-columns: 1fr;
  gap: 14px;
}

.page-home__tier {
  display: flex;
  flex-direction: column;
  gap: 8px;
  padding: 18px 14px 22px;
  background: var(--paper);
  border: var(--ph-edge);
  border-top: 8px solid var(--amber-lt);
  transition: transform 240ms var(--ease), border-color 240ms var(--ease);
}
.page-home__tier:nth-child(1) { border-top-color: var(--sand); }
.page-home__tier:nth-child(2) { border-top-color: var(--amber-lt); }
.page-home__tier:nth-child(3) { border-top-color: var(--amber); }
.page-home__tier:nth-child(4) { border-top-color: var(--amber-lt); }
.page-home__tier:nth-child(5) { border-top-color: var(--amber); }
.page-home__tier:nth-child(6) { border-top-color: var(--signal); }

.page-home__tier:hover {
  transform: translateY(-2px);
  border-left-color: var(--amber-lt);
  border-right-color: var(--amber-lt);
  border-bottom-color: var(--amber-lt);
}

.page-home__tier-no {
  align-self: flex-start;
  padding: 3px 8px;
  background: var(--ink);
  color: var(--amber-lt);
  font-size: 12px;
  letter-spacing: .08em;
}
.page-home__tier-name {
  margin: 0;
  font-family: var(--font-head);
  font-weight: 900;
  font-size: 17px;
  letter-spacing: -.01em;
  color: var(--ink);
}
.page-home__tier-range {
  margin: 0;
  font-size: 13px;
  font-weight: 700;
  color: var(--amber);
}
.page-home__tier-note {
  margin: 0;
  font-size: 13px;
  line-height: 1.65;
  color: var(--slate);
}

@media (min-width: 620px) {
  .page-home__tiers { grid-template-columns: repeat(2, minmax(0, 1fr)); }
}
@media (min-width: 1020px) {
  .page-home__tiers {
    grid-template-columns: repeat(6, minmax(0, 1fr));
    gap: 2px;
    background: var(--ink);
    border: var(--ph-edge);
  }
  .page-home__tier { border: none; border-top: 8px solid var(--amber-lt); }
  .page-home__tier:nth-child(1) { border-top-color: var(--sand); }
  .page-home__tier:nth-child(2) { border-top-color: var(--amber-lt); }
  .page-home__tier:nth-child(3) { border-top-color: var(--amber); }
  .page-home__tier:nth-child(4) { border-top-color: var(--amber-lt); }
  .page-home__tier:nth-child(5) { border-top-color: var(--amber); }
  .page-home__tier:nth-child(6) { border-top-color: var(--signal); }
}

/* ---------- 03 检测报告 / 05 档案：非对称双栏 ---------- */
.page-home__split {
  display: grid;
  gap: 30px;
}
.page-home__split .media { margin: 0; }
.page-home__split .media__img {
  display: block;
  width: 100%;
  height: auto;
  border: var(--ph-edge);
  object-fit: cover;
}
.page-home__report-fig .media__img { box-shadow: var(--ph-shadow); }
.page-home__archive-fig .media__img { box-shadow: var(--ph-shadow); }

.page-home__facts {
  list-style: none;
  margin: 0 0 26px;
  padding: 0;
  display: grid;
  gap: 13px;
}
.page-home__facts li {
  position: relative;
  padding-left: 22px;
  font-size: 15px;
  line-height: 1.72;
  color: var(--body-ink);
}
.page-home__facts li::before {
  content: "";
  position: absolute;
  left: 0;
  top: .6em;
  width: 10px;
  height: 10px;
  background: var(--amber);
}

@media (min-width: 880px) {
  .page-home__split {
    grid-template-columns: minmax(0, .85fr) minmax(0, 1.15fr);
    gap: 48px;
    align-items: start;
  }
  .page-home__split--rev {
    grid-template-columns: minmax(0, 1fr) minmax(0, 1.1fr);
  }
}

/* ---------- 04 售后响应 ---------- */
.page-home__stage {
  display: grid;
  gap: 16px;
}

.page-home__stage-card {
  display: flex;
  flex-direction: column;
  gap: 10px;
  padding: 22px 20px 26px;
  background: var(--paper);
  border: var(--ph-edge);
}
.page-home__stage-time {
  margin: 0;
  font-size: clamp(30px, 4.6vw, 42px);
  font-weight: 700;
  line-height: 1;
  letter-spacing: -.03em;
  color: var(--ink);
}
.page-home__stage-card:nth-child(1) .page-home__stage-time { color: var(--teal); }
.page-home__stage-card:nth-child(2) .page-home__stage-time { color: var(--amber); }
.page-home__stage-card:nth-child(3) .page-home__stage-time { color: var(--signal); }

.page-home__stage-note {
  margin: 0;
  font-size: 14px;
  line-height: 1.72;
  color: var(--slate);
}

.page-home__service-links {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 28px;
}

@media (min-width: 760px) {
  .page-home__stage {
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 2px;
    background: var(--ink);
    border: var(--ph-edge);
  }
  .page-home__stage-card { border: none; }
}

/* ---------- 05 时间轴 ---------- */
.page-home__timeline {
  list-style: none;
  margin: 0 0 28px;
  padding: 0 0 0 28px;
  border-left: 2px dashed var(--sand);
  display: grid;
  gap: 26px;
}
.page-home__tl-item { position: relative; }
.page-home__tl-item::before {
  content: "";
  position: absolute;
  left: -36px;
  top: 5px;
  width: 14px;
  height: 14px;
  background: var(--amber);
  border: 2px solid var(--ink);
}
.page-home__tl-year {
  display: inline-block;
  margin-bottom: 6px;
  font-size: 20px;
  font-weight: 700;
  letter-spacing: -.02em;
  color: var(--ink);
}
.page-home__tl-title {
  margin: 0 0 4px;
  font-family: var(--font-head);
  font-weight: 900;
  font-size: 15px;
  letter-spacing: -.01em;
  color: var(--ink);
}
.page-home__tl-text {
  margin: 0;
  font-size: 13.5px;
  line-height: 1.72;
  color: var(--slate);
}

/* ---------- 06 评价 ---------- */
.page-home__reviews {
  display: grid;
  gap: 28px;
}
.page-home__scores {
  display: grid;
  gap: 18px;
}
.page-home__score-head {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 12px;
  margin-bottom: 7px;
  font-size: 14px;
  color: var(--body-ink);
}
.page-home__score-head .mono {
  font-size: 15px;
  font-weight: 700;
  color: var(--ink);
}
.page-home__score-track {
  box-sizing: border-box;
  height: 12px;
  background: var(--sand);
  border: 2px solid var(--ink);
}
.page-home__score-track span {
  display: block;
  height: 100%;
  width: var(--sw, 60%);
  background: var(--amber);
}

.page-home__quote {
  margin: 0;
  padding: 22px 20px;
  border-left: 8px solid var(--amber-lt);
  background: var(--paper-dim);
  font-size: 15px;
  line-height: 1.82;
  color: var(--body-ink);
}

@media (min-width: 800px) {
  .page-home__reviews {
    grid-template-columns: minmax(0, 1.1fr) minmax(0, .9fr);
    gap: 48px;
    align-items: start;
  }
}

/* ---------- 收尾 ---------- */
.page-home__cta {
  padding: 46px var(--ph-pad) 52px;
  background: var(--ink);
  color: var(--paper);
}
.page-home__cta-title {
  margin: 0 0 14px;
  font-family: var(--font-head);
  font-weight: 900;
  font-size: clamp(23px, 3.4vw, 36px);
  line-height: 1.16;
  letter-spacing: -.02em;
  color: var(--paper);
}
.page-home__cta-text {
  max-width: 62ch;
  margin: 0 0 26px;
  font-size: 15px;
  line-height: 1.8;
  color: var(--sand);
}
.page-home__cta-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
}
.page-home__cta .btn {
  background: var(--amber-lt);
  color: var(--ink);
  border-color: var(--amber-lt);
}
.page-home__cta .btn--ghost {
  background: transparent;
  color: var(--paper);
  border-color: var(--paper);
}
.page-home__cta-foot {
  margin: 22px 0 0;
  font-size: 12px;
  letter-spacing: .03em;
  color: var(--slate);
}

@media (min-width: 900px) {
  .page-home__cta { padding: 74px 48px 82px; }
}

/* ---------- 返回顶部 ---------- */
.page-home .to-top {
  position: fixed;
  right: 18px;
  bottom: 18px;
  z-index: 40;
  display: none;
  padding: 10px 14px;
  border: 2px solid var(--ink);
  background: var(--amber-lt);
  color: var(--ink);
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: .04em;
  cursor: pointer;
  box-shadow: 4px 4px 0 var(--ink);
}
.page-home .to-top.is-visible { display: block; }

@media (prefers-reduced-motion: reduce) {
  .page-home__index-item,
  .page-home__tier,
  .page-home__bars .databar__fill {
    transition: none;
  }
}

.page-home {
  --sw: 1rem;
  --w: 1rem;
}