/* ===== 首页 · page-home 作用域 ===== */
.page-home {
  --home-band-pad-y: 46px;
  --home-edge: 16px;
  position: relative;
  overflow-x: hidden;
  background: var(--ink);
  color: var(--paper);
}

/* ---------- 首屏 ---------- */
.page-home .hero {
  position: relative;
  overflow: hidden;
  padding: 22px var(--home-edge) 40px;
  background: var(--ink);
}

.page-home .hero-backdrop {
  position: absolute;
  inset: 0;
  z-index: 0;
}

.page-home .hero-backdrop img {
  display: block;
  width: 100%;
  height: 100%;
  object-fit: cover;
  opacity: .18;
  filter: grayscale(.6) contrast(1.15) brightness(.65);
}

.page-home .hero-backdrop::after {
  content: "";
  position: absolute;
  inset: 0;
  background:
    radial-gradient(120% 80% at 12% 0%, rgba(192, 138, 62, .16), transparent 62%),
    linear-gradient(180deg, rgba(11, 12, 14, .84) 0%, rgba(11, 12, 14, .96) 74%, var(--ink) 100%);
}

.page-home .hero-frame {
  position: relative;
  z-index: 1;
  max-width: var(--wrap);
  margin: 0 auto;
  padding: 18px 14px 22px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: rgba(22, 24, 28, .66);
}

.page-home .hero-frame::before,
.page-home .hero-frame::after {
  content: "";
  position: absolute;
  left: 14px;
  right: 14px;
  height: 5px;
  background-image: repeating-linear-gradient(90deg, var(--copper-dark) 0 1px, transparent 1px 11px);
  opacity: .8;
}

.page-home .hero-frame::before { top: -3px; }
.page-home .hero-frame::after { bottom: -3px; }

.page-home .hero-context {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 9px;
  margin: 0;
  font-family: var(--font-data);
  font-size: 11px;
  letter-spacing: .2em;
  color: var(--gray);
}

.page-home .hero-context .sep {
  display: inline-block;
  width: 16px;
  height: 1px;
  background: var(--copper-dark);
}

.page-home .hero-grid {
  display: grid;
  gap: 26px;
  margin-top: 20px;
}

.page-home .hero-copy h1 {
  margin: 0;
  font-family: var(--font-head);
  font-weight: 800;
  font-size: clamp(27px, 7.2vw, 50px);
  line-height: 1.12;
  letter-spacing: .01em;
  color: var(--paper);
}

.page-home .hero-lede {
  max-width: 60ch;
  margin: 14px 0 0;
  font-family: var(--font-body);
  font-size: 16px;
  line-height: 1.78;
  color: rgba(242, 237, 227, .76);
}

.page-home .hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 22px;
}

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

.page-home .hero-plate {
  position: relative;
  padding: 16px 18px 18px;
  border-left: 3px solid var(--copper);
  border-radius: var(--radius);
  background: var(--paper);
  color: var(--ink);
}

.page-home .plate-num {
  margin: 0;
  font-family: var(--font-data);
  font-weight: 700;
  font-size: clamp(74px, 21vw, 148px);
  line-height: .84;
  letter-spacing: -.04em;
}

.page-home .plate-unit {
  margin-left: .22em;
  font-family: var(--font-head);
  font-size: .24em;
  font-weight: 800;
  letter-spacing: .04em;
  color: var(--copper-dark);
}

.page-home .plate-label {
  margin: 12px 0 0;
  font-family: var(--font-data);
  font-size: 12px;
  letter-spacing: .16em;
  color: var(--copper-dark);
}

.page-home .plate-note {
  margin: 8px 0 0;
  font-family: var(--font-body);
  font-size: 13px;
  line-height: 1.7;
  color: #5A5F66;
}

/* 首屏三视图切换（纯 CSS，无脚本也可读） */
.page-home .hero-switch {
  padding: 12px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: rgba(11, 12, 14, .72);
}

.page-home .switch-input {
  position: absolute;
  width: 1px;
  height: 1px;
  opacity: 0;
  pointer-events: none;
}

.page-home .switch-tabs {
  display: flex;
  gap: 6px;
}

.page-home .switch-tabs label {
  flex: 1 1 auto;
  padding: 8px 6px;
  border: 1px solid var(--line-soft);
  border-radius: var(--radius);
  font-family: var(--font-data);
  font-size: 12px;
  letter-spacing: .14em;
  text-align: center;
  color: var(--gray);
  cursor: pointer;
  transition: color .18s var(--ease), background-color .18s var(--ease), border-color .18s var(--ease);
}

.page-home .switch-tabs label:hover {
  border-color: var(--line);
  color: var(--copper-lit);
}

.page-home .switch-input:focus-visible ~ .switch-tabs {
  outline: 1px solid var(--copper-lit);
  outline-offset: 3px;
}

.page-home #home-v-verify:checked ~ .switch-tabs label[for="home-v-verify"] {
  background: var(--cinnabar-lit);
  border-color: var(--cinnabar-lit);
  color: var(--ink);
}

.page-home #home-v-price:checked ~ .switch-tabs label[for="home-v-price"] {
  background: var(--steel-lit);
  border-color: var(--steel-lit);
  color: var(--ink);
}

.page-home #home-v-query:checked ~ .switch-tabs label[for="home-v-query"] {
  background: var(--copper-lit);
  border-color: var(--copper-lit);
  color: var(--ink);
}

.page-home .switch-body {
  margin-top: 12px;
}

.page-home .switch-panel {
  display: none;
}

.page-home #home-v-verify:checked ~ .switch-body .switch-panel--verify,
.page-home #home-v-price:checked ~ .switch-body .switch-panel--price,
.page-home #home-v-query:checked ~ .switch-body .switch-panel--query {
  display: block;
}

.page-home .switch-panel h3 {
  margin: 0 0 6px;
  font-family: var(--font-head);
  font-size: 17px;
  font-weight: 800;
  color: var(--paper);
}

.page-home .switch-panel p {
  margin: 0;
  font-family: var(--font-body);
  font-size: 14px;
  line-height: 1.72;
  color: rgba(242, 237, 227, .72);
}

.page-home .switch-metric {
  display: block;
  margin-top: 10px;
  font-family: var(--font-data);
  font-size: 12.5px;
  letter-spacing: .06em;
  color: var(--copper-lit);
}

/* ---------- 三色信息带 ---------- */
.page-home .band {
  padding: var(--home-band-pad-y) var(--home-edge);
}

.page-home .band-inner {
  max-width: var(--wrap);
  margin: 0 auto;
}

.page-home .band--verify {
  border-top: 2px solid var(--cinnabar);
  background: linear-gradient(160deg, rgba(180, 54, 43, .17) 0%, rgba(11, 12, 14, 0) 62%), var(--ink);
}

.page-home .band--price {
  border-top: 2px solid var(--steel);
  background: linear-gradient(160deg, rgba(78, 107, 125, .22) 0%, rgba(11, 12, 14, 0) 60%), var(--indigo);
}

.page-home .band--query {
  border-top: 2px solid var(--copper);
  background: linear-gradient(160deg, rgba(192, 138, 62, .14) 0%, rgba(11, 12, 14, 0) 58%), var(--ink-panel);
}

.page-home .band-label {
  display: flex;
  align-items: center;
  gap: 10px;
  margin: 0 0 14px;
  font-family: var(--font-data);
  font-size: 12px;
  letter-spacing: .16em;
  color: var(--gray);
}

.page-home .band-num {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-width: 30px;
  height: 22px;
  padding: 0 6px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  font-size: 11px;
  color: var(--copper);
}

.page-home .band h2,
.page-home .groups h2,
.page-home .cover h2,
.page-home .next h2 {
  margin: 0;
  max-width: 26ch;
  font-family: var(--font-head);
  font-weight: 800;
  font-size: clamp(24px, 5.6vw, 40px);
  line-height: 1.14;
  color: var(--paper);
}

.page-home .band-lede {
  max-width: 68ch;
  margin: 14px 0 0;
  font-family: var(--font-body);
  font-size: 16px;
  line-height: 1.8;
  color: rgba(242, 237, 227, .75);
}

/* 验资三步 */
.page-home .steps {
  display: grid;
  gap: 1px;
  margin: 28px 0 0;
  padding: 0;
  list-style: none;
  border: 1px solid var(--line-soft);
  background: var(--line-soft);
}

.page-home .step {
  position: relative;
  padding: 20px 16px;
  border-left: 3px solid transparent;
  background: rgba(11, 12, 14, .58);
  transition: border-color .18s var(--ease), background-color .18s var(--ease);
}

.page-home .step:hover {
  border-left-color: var(--cinnabar);
  background: rgba(11, 12, 14, .78);
}

.page-home .step-num {
  font-family: var(--font-data);
  font-size: 11.5px;
  letter-spacing: .16em;
  color: var(--cinnabar-lit);
}

.page-home .step h3 {
  margin: 8px 0 0;
  font-family: var(--font-head);
  font-size: 19px;
  font-weight: 800;
  color: var(--paper);
}

.page-home .step p {
  margin: 6px 0 0;
  font-family: var(--font-body);
  font-size: 14px;
  line-height: 1.76;
  color: rgba(242, 237, 227, .7);
}

/* 比价 */
.page-home .price-grid {
  display: grid;
  gap: 22px;
  margin-top: 28px;
}

.page-home .price-block {
  padding-top: 18px;
  border-top: 1px solid var(--line-soft);
}

.page-home .price-block h3 {
  margin: 0 0 10px;
  font-family: var(--font-head);
  font-size: 18px;
  font-weight: 800;
  color: var(--paper);
}

.page-home .price-block p {
  margin: 0 0 14px;
  font-family: var(--font-body);
  font-size: 14px;
  line-height: 1.76;
  color: rgba(242, 237, 227, .72);
}

.page-home .chips {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin: 0;
  padding: 0;
  list-style: none;
}

.page-home .chips li {
  padding: 7px 11px;
  border: 1px solid rgba(169, 194, 210, .3);
  border-radius: var(--radius);
  font-family: var(--font-data);
  font-size: 12px;
  letter-spacing: .06em;
  color: var(--steel-lit);
  transition: border-color .18s var(--ease), color .18s var(--ease);
}

.page-home .chips li:hover {
  border-color: var(--steel-lit);
  color: var(--paper);
}

/* 查询 */
.page-home .query-grid {
  display: grid;
  gap: 28px;
}

.page-home .tiers {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 10px;
  margin: 24px 0 0;
  padding: 0;
  list-style: none;
}

.page-home .tiers li {
  padding: 12px 12px 14px;
  border: 1px solid var(--line-soft);
  border-radius: var(--radius);
  background: rgba(11, 12, 14, .45);
  transition: border-color .18s var(--ease), background-color .18s var(--ease);
}

.page-home .tiers li:hover {
  border-color: var(--copper);
  background: rgba(192, 138, 62, .09);
}

.page-home .tier-code {
  display: block;
  font-family: var(--font-data);
  font-size: 21px;
  font-weight: 700;
  letter-spacing: .04em;
  color: var(--copper-lit);
}

.page-home .tier-note {
  display: block;
  margin-top: 4px;
  font-family: var(--font-body);
  font-size: 12.5px;
  line-height: 1.6;
  color: rgba(242, 237, 227, .62);
}

/* 图片容器 */
.page-home .media-frame {
  margin: 0;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  overflow: hidden;
  background: var(--ink-panel);
}

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

.page-home .media-frame-caption,
.page-home .media-frame figcaption {
  padding: 10px 12px;
  border-top: 1px solid var(--line-soft);
  font-family: var(--font-data);
  font-size: 12px;
  letter-spacing: .06em;
  line-height: 1.6;
  color: var(--gray);
}

.page-home .query-figure {
  max-width: 420px;
  justify-self: start;
}

/* 通用文字链接 */
.page-home .link-more {
  position: relative;
  display: inline-block;
  padding-bottom: 3px;
  font-family: var(--font-body);
  font-size: 15px;
  font-weight: 600;
  color: var(--copper-lit);
  text-decoration: none;
}

.page-home .link-more::after {
  content: "";
  position: absolute;
  left: 0;
  bottom: 0;
  width: 100%;
  height: 1px;
  background: var(--copper);
  transform: scaleX(0);
  transform-origin: left center;
  transition: transform .18s var(--ease);
}

.page-home .link-more:hover::after {
  transform: scaleX(1);
}

.page-home .band-foot {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 14px;
  margin: 28px 0 0;
}

.page-home .band-foot-note {
  font-family: var(--font-data);
  font-size: 12px;
  letter-spacing: .08em;
  color: var(--gray);
}

/* ---------- 六个业务组 ---------- */
.page-home .groups {
  padding: var(--home-band-pad-y) 0;
  border-top: 1px solid var(--line-soft);
  background: var(--ink);
}

.page-home .groups-head {
  display: grid;
  gap: 22px;
  max-width: var(--wrap);
  margin: 0 auto;
  padding: 0 var(--home-edge);
}

.page-home .groups-lede {
  max-width: 60ch;
  margin: 14px 0 0;
  font-family: var(--font-body);
  font-size: 15.5px;
  line-height: 1.78;
  color: rgba(242, 237, 227, .72);
}

.page-home .groups-rail {
  margin-top: 26px;
  padding-left: max(var(--home-edge), calc((100vw - var(--wrap)) / 2));
  overflow-x: auto;
  overflow-y: hidden;
  scroll-snap-type: x proximity;
  -webkit-overflow-scrolling: touch;
  padding-bottom: 10px;
}

.page-home .groups-rail:focus-visible {
  outline: 1px solid var(--copper);
  outline-offset: 4px;
}

.page-home .groups-track {
  display: flex;
  gap: 14px;
  width: max-content;
  margin: 0;
  padding: 0 var(--home-edge) 0 0;
  list-style: none;
}

.page-home .group-card {
  flex: 0 0 232px;
  scroll-snap-align: start;
  padding: 16px 16px 18px;
  border: 1px solid var(--line-soft);
  border-radius: var(--radius);
  background: var(--ink-panel);
  transition: border-color .18s var(--ease), background-color .18s var(--ease), transform .18s var(--ease);
}

.page-home .group-card:hover {
  border-color: var(--copper);
  background: #1B1E23;
  transform: translateY(-2px);
}

.page-home .group-id {
  margin: 0;
  font-family: var(--font-data);
  font-size: 12px;
  letter-spacing: .18em;
  color: var(--copper);
}

.page-home .group-count {
  margin: 10px 0 0;
  font-family: var(--font-data);
  font-size: 13px;
  letter-spacing: .1em;
  color: var(--gray);
}

.page-home .group-count span {
  margin-right: 3px;
  font-size: 40px;
  font-weight: 700;
  letter-spacing: -.02em;
  color: var(--paper);
}

.page-home .group-bar {
  height: 6px;
  margin: 12px 0 14px;
  border-radius: 1px;
  background: rgba(192, 138, 62, .14);
  overflow: hidden;
}

.page-home .group-bar span {
  display: block;
  height: 100%;
  background: linear-gradient(90deg, var(--copper-dark), var(--copper-lit));
}

.page-home .group-card:nth-child(1) .group-bar span { width: 91.7%; }
.page-home .group-card:nth-child(2) .group-bar span { width: 100%; }
.page-home .group-card:nth-child(3) .group-bar span { width: 75%; }
.page-home .group-card:nth-child(4) .group-bar span { width: 87.5%; }
.page-home .group-card:nth-child(5) .group-bar span { width: 79.2%; }
.page-home .group-card:nth-child(6) .group-bar span { width: 66.7%; }

.page-home .group-card h3 {
  margin: 0;
  font-family: var(--font-head);
  font-size: 17px;
  font-weight: 800;
  color: var(--paper);
}

.page-home .group-card p:last-child {
  margin: 8px 0 0;
  font-family: var(--font-body);
  font-size: 13px;
  line-height: 1.72;
  color: rgba(242, 237, 227, .66);
}

/* ---------- 质保 ---------- */
.page-home .cover {
  padding: var(--home-band-pad-y) var(--home-edge);
  border-top: 1px solid var(--line-soft);
  background: linear-gradient(180deg, rgba(30, 42, 58, .55) 0%, rgba(11, 12, 14, 0) 72%), var(--ink);
}

.page-home .cover-inner {
  display: grid;
  gap: 26px;
  max-width: var(--wrap);
  margin: 0 auto;
}

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

.page-home .cover-list li {
  position: relative;
  padding-left: 20px;
  font-family: var(--font-body);
  font-size: 14.5px;
  line-height: 1.8;
  color: rgba(242, 237, 227, .74);
}

.page-home .cover-list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: .78em;
  width: 9px;
  height: 1px;
  background: var(--copper);
}

.page-home .cover-list strong {
  color: var(--paper);
  font-weight: 700;
}

.page-home .cover-note {
  margin: 20px 0 0;
  padding-top: 16px;
  border-top: 1px solid var(--line-soft);
  font-family: var(--font-body);
  font-size: 14px;
  line-height: 1.78;
  color: rgba(242, 237, 227, .68);
}

/* ---------- 下一步 ---------- */
.page-home .next {
  padding: var(--home-band-pad-y) var(--home-edge) 54px;
  border-top: 1px solid var(--line);
  background: var(--ink-panel);
}

.page-home .next-inner {
  max-width: var(--wrap);
  margin: 0 auto;
}

.page-home .next-list {
  display: grid;
  gap: 1px;
  margin: 28px 0 0;
  padding: 0;
  list-style: none;
  border: 1px solid var(--line-soft);
  background: var(--line-soft);
}

.page-home .next-item {
  display: grid;
  grid-template-columns: 34px minmax(0, 1fr);
  gap: 0 14px;
  padding: 20px 16px;
  border-left: 3px solid transparent;
  background: var(--ink-panel);
  transition: border-color .18s var(--ease), background-color .18s var(--ease);
}

.page-home .next-item:hover {
  border-left-color: var(--copper);
  background: #1B1E23;
}

.page-home .next-index {
  grid-row: span 3;
  font-family: var(--font-data);
  font-size: 15px;
  font-weight: 700;
  letter-spacing: .1em;
  color: var(--copper);
}

.page-home .next-body h3 {
  margin: 0;
  font-family: var(--font-head);
  font-size: 18px;
  font-weight: 800;
  color: var(--paper);
}

.page-home .next-body p {
  margin: 7px 0 12px;
  font-family: var(--font-body);
  font-size: 14px;
  line-height: 1.76;
  color: rgba(242, 237, 227, .7);
}

.page-home .next-contact {
  display: grid;
  gap: 10px;
  margin: 26px 0 0;
  padding-top: 20px;
  border-top: 1px solid var(--line-soft);
  font-family: var(--font-body);
  font-size: 14px;
  line-height: 1.7;
  color: rgba(242, 237, 227, .76);
}

.page-home .next-contact p {
  margin: 0;
}

.page-home .next-contact span {
  display: inline-block;
  min-width: 76px;
  margin-right: 10px;
  font-family: var(--font-data);
  font-size: 12px;
  letter-spacing: .1em;
  color: var(--gray);
}

.page-home .next-legal {
  margin: 24px 0 0;
  font-family: var(--font-body);
  font-size: 13.5px;
  line-height: 1.8;
  color: var(--gray);
}

.page-home .next-legal a {
  color: var(--copper-lit);
  text-decoration: none;
  border-bottom: 1px solid var(--line);
  transition: border-color .18s var(--ease), color .18s var(--ease);
}

.page-home .next-legal a:hover {
  border-color: var(--copper-lit);
  color: var(--paper);
}

/* ---------- 响应式 ---------- */
@media (min-width: 560px) {
  .page-home {
    --home-edge: 24px;
    --home-band-pad-y: 58px;
  }

  .page-home .hero {
    padding: 30px var(--home-edge) 52px;
  }

  .page-home .hero-frame {
    padding: 26px 24px 30px;
  }

  .page-home .hero-frame::before,
  .page-home .hero-frame::after {
    left: 24px;
    right: 24px;
  }

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

  .page-home .next-contact {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 12px 20px;
  }
}

@media (min-width: 900px) {
  .page-home .steps {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }

  .page-home .price-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 32px;
  }
}

@media (min-width: 1024px) {
  .page-home {
    --home-edge: 40px;
    --home-band-pad-y: 74px;
  }

  .page-home .hero {
    padding: 46px var(--home-edge) 70px;
  }

  .page-home .hero-frame {
    padding: 32px 36px 40px;
  }

  .page-home .hero-frame::before,
  .page-home .hero-frame::after {
    left: 36px;
    right: 36px;
  }

  .page-home .hero-grid {
    grid-template-columns: minmax(0, 1.06fr) minmax(0, .94fr);
    gap: 48px;
    align-items: start;
  }

  .page-home .hero-side {
    gap: 22px;
  }

  .page-home .query-grid {
    grid-template-columns: minmax(0, 1.14fr) minmax(0, .86fr);
    gap: 46px;
    align-items: start;
  }

  .page-home .query-figure {
    justify-self: end;
  }

  .page-home .groups-head {
    grid-template-columns: minmax(0, .84fr) minmax(0, 1.16fr);
    gap: 44px;
    align-items: center;
  }

  .page-home .cover-inner {
    grid-template-columns: minmax(0, 1fr) minmax(0, 1.05fr);
    gap: 46px;
    align-items: center;
  }

  .page-home .next {
    padding-bottom: 84px;
  }

  .page-home .next-contact {
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 16px;
  }
}