/* ============================================================
   首页 · 高原长页 / page-home
   作用域：.page-home
   ============================================================ */

.page-home {
  --ph-card-shadow: 6px 6px 0 0 var(--paper-2);
  background: var(--paper);
  color: var(--ink);
}

/* ---------------- 首屏 ---------------- */

.page-home .hero-lake {
  position: relative;
  overflow: hidden;
  padding: 52px 0 46px;
  border-bottom: 1px solid var(--line);
  background:
    radial-gradient(120% 78% at 88% 4%, rgba(168, 211, 226, .55) 0%, rgba(245, 242, 234, 0) 62%),
    linear-gradient(180deg, #F7F4ED 0%, var(--paper) 58%, #EEE9DE 100%);
}

.page-home .hero-contour {
  position: absolute;
  top: -12%;
  left: -6%;
  right: -6%;
  height: 128%;
  pointer-events: none;
  opacity: .55;
}

.page-home .hero-contour svg {
  display: block;
  width: 100%;
  height: 100%;
}

.page-home .hero-inner {
  position: relative;
  z-index: 1;
  display: flex;
  flex-direction: column;
  gap: 22px;
}

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

.page-home .hero-title {
  margin: 0;
  max-width: 11em;
  font-family: var(--font-title);
  font-weight: 900;
  font-size: clamp(2rem, 10vw, 6.4rem);
  line-height: .98;
  letter-spacing: -.02em;
}

.page-home .hero-title b {
  position: relative;
  display: inline-block;
  font-weight: 900;
  color: var(--lake-deep);
}

.page-home .hero-title b::after {
  content: "";
  position: absolute;
  left: 0;
  right: 0;
  bottom: .07em;
  height: .09em;
  background: var(--sand);
  opacity: .88;
}

.page-home .hero-lede {
  margin: 0;
  max-width: 36em;
  font-size: 1.0625rem;
  line-height: 1.9;
  color: #3C444F;
}

/* 入口标签带 */

.page-home .marker-band {
  display: grid;
  grid-template-columns: 1fr;
  gap: 10px;
  margin-top: 6px;
}

.page-home .marker {
  position: relative;
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  gap: 0 10px;
  padding: 15px 20px 15px 22px;
  background: #FFFFFF;
  border: 1px solid var(--line);
  border-left: 4px solid var(--sand);
  box-shadow: var(--ph-card-shadow);
  text-decoration: none;
  color: var(--ink);
  transition: transform .2s var(--ease), box-shadow .2s var(--ease);
}

.page-home .marker::after {
  content: "";
  position: absolute;
  top: 0;
  right: 0;
  width: 4px;
  height: 100%;
  background: var(--sand);
  transform: scaleY(0);
  transform-origin: 50% 0;
  transition: transform .24s var(--ease);
}

.page-home .marker:hover,
.page-home .marker:focus-visible {
  transform: translateY(-4px);
  box-shadow: 8px 10px 0 0 var(--paper-2);
}

.page-home .marker:hover::after,
.page-home .marker:focus-visible::after {
  transform: scaleY(1);
}

.page-home .marker:focus-visible {
  outline: 2px solid var(--flag);
  outline-offset: 2px;
}

.page-home .marker-num {
  font-family: var(--font-mono);
  font-size: .72rem;
  letter-spacing: .08em;
  color: var(--sand-ink);
}

.page-home .marker-name {
  font-family: var(--font-title);
  font-weight: 700;
  font-size: 1.0625rem;
  letter-spacing: -.01em;
}

.page-home .marker-note {
  flex: 1 0 100%;
  margin-top: 5px;
  font-size: .8125rem;
  line-height: 1.65;
  color: var(--muted);
}

/* 首屏主图 */

.page-home .hero-figure {
  position: relative;
  margin: 12px 0 0;
  border: 1px solid var(--line-strong);
  background: var(--lake-deep);
  overflow: hidden;
  box-shadow: 6px 6px 0 0 rgba(30, 127, 168, .12);
}

.page-home .hero-figure img {
  display: block;
  width: 100%;
  height: 176px;
  object-fit: cover;
  opacity: .94;
}

/* ---------------- 通用章节 ---------------- */

.page-home .section {
  padding: 68px 0;
}

.page-home .section-head {
  margin-bottom: 34px;
}

.page-home .section-num {
  margin: 0 0 12px;
  font-family: var(--font-mono);
  font-size: .8125rem;
  letter-spacing: .14em;
  color: var(--sand-ink);
}

.page-home .section-title {
  position: relative;
  margin: 0 0 16px;
  padding-left: 16px;
  font-family: var(--font-title);
  font-weight: 900;
  letter-spacing: -.02em;
  line-height: 1.18;
}

.page-home .section-title::before {
  content: "";
  position: absolute;
  left: 0;
  top: .2em;
  bottom: .2em;
  width: 4px;
  background: var(--sand);
}

.page-home .lede {
  margin: 0;
  max-width: 38em;
  font-size: 1rem;
  line-height: 1.9;
  color: var(--muted);
}

/* ---------------- 01 变更对照 ---------------- */

.page-home .change-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 18px;
}

.page-home .change-card {
  position: relative;
  background: #FFFFFF;
  border: 1px solid var(--line);
  padding: 24px 22px 22px;
  box-shadow: var(--ph-card-shadow);
}

.page-home .change-card::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0;
  bottom: 0;
  width: 5px;
  background: var(--lake);
}

.page-home .change-card--merge::before { background: var(--dusk); }
.page-home .change-card--move::before { background: var(--flag); }

.page-home .change-kind {
  display: inline-block;
  margin-bottom: 10px;
  padding: 3px 10px;
  font-family: var(--font-mono);
  font-size: .7rem;
  letter-spacing: .12em;
  color: var(--lake-deep);
  background: rgba(30, 127, 168, .1);
  border: 1px solid rgba(30, 127, 168, .28);
}

.page-home .change-card--merge .change-kind {
  color: var(--dusk);
  background: rgba(75, 58, 115, .1);
  border-color: rgba(75, 58, 115, .3);
}

.page-home .change-card--move .change-kind {
  color: #A9541B;
  background: rgba(232, 130, 58, .12);
  border-color: rgba(232, 130, 58, .34);
}

.page-home .change-card h3 {
  margin: 0 0 10px;
  font-family: var(--font-title);
  font-weight: 700;
  font-size: 1.0625rem;
  line-height: 1.5;
}

.page-home .change-card p {
  margin: 0;
  font-size: .9375rem;
  line-height: 1.85;
  color: var(--muted);
}

.page-home .change-figure {
  margin: 34px 0 0;
  border: 1px solid var(--line);
  background: var(--paper-2);
  box-shadow: 6px 6px 0 0 rgba(30, 127, 168, .1);
}

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

.page-home .change-more {
  margin: 28px 0 0;
}

/* ---------------- 02 横向卡带 ---------------- */

.page-home .band {
  position: relative;
  overflow: hidden;
  padding: 66px 0 60px;
  background:
    radial-gradient(90% 70% at 12% 0%, rgba(138, 111, 209, .34) 0%, rgba(75, 58, 115, 0) 60%),
    var(--dusk);
  color: var(--paper);
}

.page-home .band::before {
  content: "";
  position: absolute;
  inset: 0;
  pointer-events: none;
  background-image: repeating-linear-gradient(
    180deg,
    rgba(245, 242, 234, .07) 0 1px,
    transparent 1px 46px
  );
}

.page-home .band .wrap {
  position: relative;
  z-index: 1;
}

.page-home .band-strip {
  margin: 0 0 32px;
  border: 1px solid rgba(245, 242, 234, .3);
  overflow: hidden;
}

.page-home .band-strip img {
  display: block;
  width: 100%;
  height: 132px;
  object-fit: cover;
  opacity: .9;
}

.page-home .band .section-num { color: var(--sand); }

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

.page-home .band .lede { color: rgba(245, 242, 234, .78); }

.page-home .rail {
  display: flex;
  gap: 16px;
  margin: 0;
  padding: 4px 0 26px;
  list-style: none;
  overflow-x: auto;
  scroll-snap-type: x mandatory;
  -webkit-overflow-scrolling: touch;
  scrollbar-width: thin;
}

.page-home .rail::-webkit-scrollbar { height: 6px; }
.page-home .rail::-webkit-scrollbar-thumb {
  background: rgba(245, 242, 234, .35);
  border-radius: 99px;
}

.page-home .rail-card {
  flex: 0 0 76%;
  max-width: 320px;
  scroll-snap-align: start;
  display: flex;
  flex-direction: column;
  gap: 10px;
  padding: 22px 20px 18px;
  background: #FFFFFF;
  color: var(--ink);
  border: 1px solid rgba(20, 27, 46, .12);
  border-top: 4px solid var(--lake);
  box-shadow: 6px 6px 0 0 rgba(20, 27, 46, .28);
  transition: transform .22s var(--ease);
}

.page-home .rail-card:nth-child(2) { border-top-color: var(--dusk-bright); }
.page-home .rail-card:nth-child(3) { border-top-color: var(--sand); }
.page-home .rail-card:nth-child(4) { border-top-color: var(--flag); }
.page-home .rail-card:nth-child(5) { border-top-color: var(--lake-pale); }

.page-home .rail-card:hover { transform: translateY(-4px); }

.page-home .rail-tag {
  align-self: flex-start;
  padding: 3px 9px;
  font-family: var(--font-mono);
  font-size: .7rem;
  letter-spacing: .1em;
  color: var(--lake-deep);
  background: rgba(30, 127, 168, .1);
  border: 1px solid rgba(30, 127, 168, .28);
}

.page-home .rail-title {
  margin: 0;
  font-family: var(--font-title);
  font-weight: 700;
  font-size: 1rem;
  line-height: 1.5;
  letter-spacing: -.01em;
}

.page-home .rail-text {
  flex: 1 1 auto;
  margin: 0;
  font-size: .875rem;
  line-height: 1.75;
  color: var(--muted);
}

.page-home .rail-batch {
  align-self: flex-end;
  font-family: var(--font-mono);
  font-size: .72rem;
  letter-spacing: .08em;
  color: var(--sand-ink);
}

.page-home .band-actions {
  margin: 6px 0 0;
}

/* ---------------- 03 收藏与反馈 ---------------- */

.page-home .keep-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 32px;
  align-items: center;
}

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

.page-home .keep-points li {
  position: relative;
  padding-left: 30px;
  font-size: .9375rem;
  line-height: 1.8;
  color: var(--ink);
}

.page-home .keep-points li::before {
  content: "";
  position: absolute;
  left: 2px;
  top: .5em;
  width: 13px;
  height: 13px;
  background: var(--sand);
  clip-path: polygon(50% 0%, 61% 35%, 98% 35%, 68% 57%, 79% 92%, 50% 70%, 21% 92%, 32% 57%, 2% 35%, 39% 35%);
}

.page-home .keep-actions {
  margin: 28px 0 0;
}

.page-home .keep-figure {
  margin: 0;
  border: 1px solid var(--line-strong);
  background: var(--paper-2);
  box-shadow: 6px 6px 0 0 rgba(138, 111, 209, .18);
}

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

/* ---------------- 04 品牌站服务 ---------------- */

.page-home .service-list {
  margin: 0;
  padding: 0;
  list-style: none;
  display: grid;
  grid-template-columns: 1fr;
  border-top: 1px solid var(--line);
}

.page-home .service-item {
  display: grid;
  grid-template-columns: 44px 1fr;
  grid-template-areas:
    "idx title"
    "idx text";
  padding: 24px 0;
  border-bottom: 1px solid var(--line);
}

.page-home .service-idx {
  grid-area: idx;
  padding-top: .3em;
  font-family: var(--font-mono);
  font-size: .8rem;
  letter-spacing: .1em;
  color: var(--sand-ink);
}

.page-home .service-item h3 {
  grid-area: title;
  margin: 0 0 7px;
  font-family: var(--font-title);
  font-weight: 700;
  font-size: 1.0625rem;
}

.page-home .service-item p {
  grid-area: text;
  margin: 0;
  font-size: .9375rem;
  line-height: 1.85;
  color: var(--muted);
}

.page-home .service-more {
  margin: 30px 0 0;
}

/* ---------------- 05 批次刻度轴 ---------------- */

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

.page-home .cadence-row {
  position: relative;
  padding: 0 0 34px 26px;
  border-left: 2px solid rgba(138, 111, 209, .38);
}

.page-home .cadence-row:last-child {
  padding-bottom: 0;
  border-left-color: transparent;
}

.page-home .cadence-row::before {
  content: "";
  position: absolute;
  left: -8px;
  top: 3px;
  width: 12px;
  height: 12px;
  background: var(--paper);
  border: 3px solid var(--sand);
  border-radius: 50%;
}

.page-home .cadence-batch {
  display: block;
  margin-bottom: 8px;
  font-family: var(--font-mono);
  font-size: .8rem;
  letter-spacing: .08em;
  color: var(--sand-ink);
}

.page-home .cadence-body h3 {
  margin: 0 0 7px;
  font-family: var(--font-title);
  font-weight: 700;
  font-size: 1.0625rem;
}

.page-home .cadence-body p {
  margin: 0;
  max-width: 34em;
  font-size: .9375rem;
  line-height: 1.85;
  color: var(--muted);
}

.page-home .cadence-note {
  margin: 30px 0 0;
  padding: 16px 18px;
  font-size: .875rem;
  line-height: 1.8;
  color: var(--lake-deep);
  background: rgba(168, 211, 226, .28);
  border-left: 4px solid var(--lake);
}

.page-home .cadence-more {
  margin: 24px 0 0;
}

/* ---------------- 断点 ---------------- */

@media (min-width: 700px) {
  .page-home .marker-band {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .page-home .hero-figure img { height: 260px; }

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

  .page-home .band-strip img { height: 180px; }

  .page-home .service-list {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    column-gap: 44px;
    border-top: 1px solid var(--line);
  }
}

@media (min-width: 900px) {
  .page-home .hero-lake {
    padding: 96px 0 78px;
  }

  .page-home .hero-inner {
    gap: 30px;
  }

  .page-home .hero-figure img { height: 320px; }

  .page-home .section {
    padding: 100px 0;
  }

  .page-home .section-head {
    margin-bottom: 46px;
  }

  .page-home .band {
    padding: 92px 0 84px;
  }

  .page-home .keep-grid {
    grid-template-columns: minmax(0, 1fr) minmax(0, .78fr);
    gap: 52px;
  }

  .page-home .cadence-row {
    display: grid;
    grid-template-columns: 148px 1fr;
    column-gap: 30px;
    padding-left: 32px;
    padding-bottom: 40px;
    align-items: start;
  }

  .page-home .cadence-batch {
    margin-bottom: 0;
    padding-top: .28em;
  }
}

@media (min-width: 1024px) {
  .page-home .marker-band {
    grid-template-columns: repeat(4, minmax(0, 1fr));
    gap: 14px;
    align-items: start;
  }

  .page-home .marker:nth-child(2) { margin-top: 26px; }
  .page-home .marker:nth-child(3) { margin-top: 9px; }
  .page-home .marker:nth-child(4) { margin-top: 34px; }
  .page-home .marker:nth-child(5) { margin-top: 12px; }
  .page-home .marker:nth-child(6) { margin-top: 27px; }

  .page-home .rail {
    gap: 20px;
  }

  .page-home .rail-card {
    flex: 0 0 292px;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-home .marker,
  .page-home .marker::after,
  .page-home .rail-card {
    transition: opacity .2s linear;
  }

  .page-home .marker:hover,
  .page-home .marker:focus-visible,
  .page-home .rail-card:hover {
    transform: none;
  }

  .page-home .marker:hover::after,
  .page-home .marker:focus-visible::after {
    transform: scaleY(1);
  }
}