/* ===== 应用中心 /apps/ ===== */
.page-products {
  --pd-line: rgba(18, 35, 63, 0.14);
  --pd-ink-soft: #3a2f28;
  background: var(--by-cream);
  color: var(--by-ink);
  font-family: var(--font-body);
  overflow-x: hidden;
}

.page-products h2 {
  font-family: var(--font-display);
  font-weight: 900;
  font-size: clamp(26px, 6.6vw, 44px);
  line-height: 1.1;
  letter-spacing: -0.02em;
  margin: 10px 0 0;
}

.page-products .pd-section-lead {
  max-width: 64ch;
  margin: 14px 0 0;
  font-size: 16px;
  line-height: 1.78;
  color: var(--pd-ink-soft);
}

.page-products .pd-crumb {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 13px;
  color: var(--by-slate);
}
.page-products .pd-crumb a {
  color: var(--by-slate);
  text-decoration: none;
  border-bottom: 1px solid transparent;
}
.page-products .pd-crumb a:hover {
  color: var(--by-red);
  border-bottom-color: var(--by-red);
}
.page-products .pd-crumb-sep {
  color: var(--by-sand);
}

/* ---- 章节序号标记 ---- */
.page-products .section-marker {
  display: flex;
  align-items: center;
  gap: 10px;
  margin: 0;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.08em;
  color: var(--by-slate);
}
.page-products .section-marker .num {
  color: inherit;
}
.page-products .section-marker.is-active .num,
.page-products .section-marker.is-active .pd-mk-label {
  color: var(--by-red);
}
.page-products .pd-mk-line {
  display: inline-block;
  width: 26px;
  height: 2px;
  background: var(--by-sand);
}
.page-products .pd-mk-label {
  color: var(--by-navy);
  font-weight: 600;
}

/* ---- 首屏 ---- */
.page-products .pd-hero {
  position: relative;
  padding: calc(var(--hdr-h) + 20px) 0 44px;
  background-color: var(--by-cream);
  background-image:
    repeating-linear-gradient(0deg, rgba(18, 35, 63, 0.06) 0 1px, transparent 1px 46px),
    repeating-linear-gradient(90deg, rgba(18, 35, 63, 0.06) 0 1px, transparent 1px 46px);
  border-bottom: 1px solid var(--pd-line);
}
.page-products .pd-hero-grid {
  display: grid;
  gap: 28px;
  margin-top: 24px;
}
.page-products .pd-eyebrow {
  margin: 0;
}
.page-products .pd-hero-title {
  font-family: var(--font-display);
  font-weight: 900;
  font-size: clamp(34px, 8.8vw, 68px);
  line-height: 1.04;
  letter-spacing: -0.02em;
  margin: 16px 0 0;
  max-width: 17ch;
}
.page-products .pd-hero-lead {
  margin: 18px 0 0;
  max-width: 58ch;
  font-size: 17px;
  line-height: 1.78;
  color: var(--pd-ink-soft);
}
.page-products .pd-hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 26px;
}
.page-products .pd-hero-facts {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 12px;
}
.page-products .pd-fact {
  background: var(--by-paper);
  border: 1px solid var(--pd-line);
  border-radius: var(--r-md);
  padding: 14px 16px;
}
.page-products .pd-fact-num {
  display: inline-block;
  font-family: var(--font-mono);
  font-size: clamp(24px, 6.6vw, 32px);
  font-weight: 700;
  line-height: 1.2;
  padding: 0 7px;
  border-radius: 6px;
  background: rgba(228, 178, 92, 0.3);
  color: var(--by-navy);
}
.page-products .pd-fact-label {
  display: block;
  margin-top: 6px;
  font-size: 13px;
  color: var(--by-slate);
}

/* ---- 图片容器 ---- */
.page-products .pd-figure {
  margin: 26px 0 0;
  border-radius: var(--r-lg);
  overflow: hidden;
  background: var(--by-mist);
  border: 1px solid var(--pd-line);
}
.page-products .pd-figure img {
  display: block;
  width: 100%;
  height: auto;
  max-width: 100%;
  object-fit: cover;
}
.page-products .pd-figure figcaption {
  padding: 10px 16px 12px;
  font-family: var(--font-mono);
  font-size: 11.5px;
  letter-spacing: 0.04em;
  color: var(--by-slate);
  background: rgba(255, 253, 248, 0.8);
  border-top: 1px solid var(--pd-line);
}

/* ---- 六类服务横向带 ---- */
.page-products .pd-slices {
  padding: 46px 0 34px;
}
.page-products .pd-slices-head {
  display: grid;
  gap: 18px;
}
.page-products .pd-slices-figure {
  margin-top: 8px;
}
.page-products .pd-slices-track {
  display: flex;
  gap: 14px;
  margin: 24px calc(-1 * var(--shell-pad)) 0;
  padding: 6px var(--shell-pad) 20px;
  overflow-x: auto;
  scroll-snap-type: x mandatory;
  -webkit-overflow-scrolling: touch;
}
.page-products .pd-slices-track::-webkit-scrollbar {
  height: 6px;
}
.page-products .pd-slices-track::-webkit-scrollbar-thumb {
  background: rgba(18, 35, 63, 0.22);
  border-radius: var(--r-pill);
}
.page-products .pd-slice {
  flex: 0 0 268px;
  scroll-snap-align: start;
  display: flex;
  flex-direction: column;
  padding: 20px 20px 18px;
  border-radius: var(--r-lg);
  background: var(--by-paper);
  border: 1px solid var(--pd-line);
  box-shadow: var(--shadow-soft);
}
.page-products .pd-slice-band {
  display: block;
  height: 5px;
  border-radius: var(--r-pill);
  background: linear-gradient(90deg, var(--by-orange), var(--by-red-deep));
}
.page-products .pd-slice:nth-child(even) .pd-slice-band {
  background: linear-gradient(90deg, #1d3f74, var(--by-navy));
}
.page-products .pd-slice-idx {
  margin-top: 16px;
  font-size: 12px;
  letter-spacing: 0.08em;
  color: var(--by-slate);
}
.page-products .pd-slice svg {
  margin: 12px 0 2px;
  color: var(--by-navy);
}
.page-products .pd-slice h3 {
  font-family: var(--font-display);
  font-size: 19px;
  font-weight: 800;
  margin: 10px 0 0;
}
.page-products .pd-slice p {
  margin: 10px 0 0;
  font-size: 14.5px;
  line-height: 1.72;
  color: var(--pd-ink-soft);
}
.page-products .pd-slice-count {
  margin-top: auto;
  padding-top: 16px;
  font-size: 13px;
  color: var(--by-slate);
}
.page-products .pd-slice-count .num {
  color: var(--by-red);
  font-weight: 700;
}

/* ---- 场景对照 ---- */
.page-products .pd-scenes {
  padding: 46px 0 40px;
  background: linear-gradient(180deg, rgba(220, 228, 239, 0.55), rgba(247, 241, 230, 0) 360px);
}
.page-products .pd-filter {
  position: relative;
  margin-top: 26px;
}
.page-products .pd-filter-input {
  position: absolute;
  width: 1px;
  height: 1px;
  opacity: 0;
}
.page-products .pd-filter-pills {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
}
.page-products .pd-chip {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 9px 14px;
  border-radius: var(--r-pill);
  border: 1px solid rgba(18, 35, 63, 0.18);
  background: var(--by-mist);
  color: var(--by-navy);
  font-size: 14px;
  font-weight: 600;
  cursor: pointer;
  transition: background 0.25s var(--ease), color 0.25s var(--ease), border-color 0.25s var(--ease);
}
.page-products .pd-chip:hover {
  border-color: var(--by-navy);
}
.page-products .pd-chip-count {
  font-family: var(--font-mono);
  font-size: 12px;
  padding: 1px 7px;
  border-radius: var(--r-pill);
  background: rgba(228, 178, 92, 0.45);
  color: #5a3f14;
}
.page-products #pd-all:checked ~ .pd-filter-pills label[for="pd-all"],
.page-products #pd-mfg:checked ~ .pd-filter-pills label[for="pd-mfg"],
.page-products #pd-retail:checked ~ .pd-filter-pills label[for="pd-retail"],
.page-products #pd-pro:checked ~ .pd-filter-pills label[for="pd-pro"],
.page-products #pd-tour:checked ~ .pd-filter-pills label[for="pd-tour"] {
  background: var(--by-navy);
  border-color: var(--by-navy);
  color: var(--by-paper);
}
.page-products .pd-filter-input:focus-visible ~ .pd-filter-pills label:nth-child(1),
.page-products .pd-filter-input:focus-visible ~ .pd-filter-pills label:nth-child(2),
.page-products .pd-filter-input:focus-visible ~ .pd-filter-pills label:nth-child(3),
.page-products .pd-filter-input:focus-visible ~ .pd-filter-pills label:nth-child(4),
.page-products .pd-filter-input:focus-visible ~ .pd-filter-pills label:nth-child(5) {
  outline: 2px solid var(--by-red);
  outline-offset: 2px;
}
.page-products #pd-mfg:checked ~ .pd-table-wrap .pd-row:not(.is-mfg),
.page-products #pd-retail:checked ~ .pd-table-wrap .pd-row:not(.is-retail),
.page-products #pd-pro:checked ~ .pd-table-wrap .pd-row:not(.is-pro),
.page-products #pd-tour:checked ~ .pd-table-wrap .pd-row:not(.is-tour) {
  display: none;
}

.page-products .pd-table-wrap {
  margin-top: 18px;
}
.page-products .pd-scene-table {
  width: 100%;
  border-collapse: collapse;
  display: block;
}
.page-products .pd-scene-table thead {
  display: none;
}
.page-products .pd-scene-table tbody {
  display: block;
}
.page-products .pd-scene-table tr {
  display: block;
  margin-bottom: 12px;
  padding: 14px 16px;
  background: var(--by-paper);
  border: 1px solid var(--pd-line);
  border-radius: var(--r-md);
}
.page-products .pd-scene-table th,
.page-products .pd-scene-table td {
  display: block;
  padding: 0;
  text-align: left;
  font-weight: 400;
}
.page-products .pd-scene-table td {
  margin-top: 12px;
  font-size: 14px;
  line-height: 1.66;
  color: var(--pd-ink-soft);
}
.page-products .pd-scene-table td::before {
  display: block;
  margin-bottom: 3px;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.08em;
  color: var(--by-slate);
}
.page-products .pd-scene-table td:nth-child(2)::before {
  content: "主要访问者";
}
.page-products .pd-scene-table td:nth-child(3)::before {
  content: "页面上常放什么";
}
.page-products .pd-scene-table td:nth-child(4)::before {
  content: "适配行业";
}

.page-products .pd-scene-more summary {
  display: flex;
  align-items: baseline;
  gap: 10px;
  cursor: pointer;
  list-style: none;
}
.page-products .pd-scene-more summary::-webkit-details-marker {
  display: none;
}
.page-products .pd-scene-more summary::after {
  content: "+";
  margin-left: auto;
  font-family: var(--font-mono);
  font-weight: 700;
  color: var(--by-sand);
}
.page-products .pd-scene-more[open] summary::after {
  content: "–";
  color: var(--by-red);
}
.page-products .pd-scene-id {
  font-size: 12px;
  letter-spacing: 0.08em;
  color: var(--by-red);
}
.page-products .pd-scene-title {
  font-family: var(--font-display);
  font-size: 17px;
  font-weight: 800;
  color: var(--by-ink);
}
.page-products .pd-scene-point {
  margin: 12px 0 0;
  padding: 12px 14px;
  background: var(--by-mist);
  border-left: 3px solid var(--by-sand);
  border-radius: 0 var(--r-sm) var(--r-sm) 0;
  font-size: 13.5px;
  line-height: 1.72;
  color: var(--by-navy);
}
.page-products .pd-tag {
  display: inline-block;
  padding: 3px 10px;
  border-radius: var(--r-pill);
  border: 1px solid var(--by-sand);
  background: rgba(228, 178, 92, 0.18);
  color: #7a5518;
  font-size: 12px;
  white-space: nowrap;
}
.page-products .pd-figure--after {
  margin-top: 30px;
}

/* ---- 案例合集 ---- */
.page-products .pd-cases {
  padding: 46px 0;
}
.page-products .pd-kicker {
  margin: 18px 0 0;
}
.page-products .pd-case-list {
  display: grid;
  gap: 18px;
  margin-top: 28px;
}
.page-products .pd-case {
  padding: 22px;
  background: var(--by-paper);
  border: 1px solid var(--pd-line);
  border-radius: var(--r-lg);
}
.page-products .pd-case-head {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 12px;
}
.page-products .pd-case-head h3 {
  flex: 1 1 240px;
  margin: 0;
  font-family: var(--font-display);
  font-size: 20px;
  font-weight: 800;
  line-height: 1.3;
}
.page-products .pd-case-body {
  display: grid;
  gap: 16px;
  margin-top: 18px;
}
.page-products .pd-case-k {
  display: block;
  margin-bottom: 5px;
  font-family: var(--font-mono);
  font-size: 11.5px;
  letter-spacing: 0.08em;
  color: var(--by-slate);
}
.page-products .pd-case-block p {
  margin: 0;
  font-size: 14.5px;
  line-height: 1.74;
  color: var(--pd-ink-soft);
}
.page-products .pd-case--with-figure .pd-case-figure {
  margin-top: 20px;
}

/* ---- 清单与交付 ---- */
.page-products .pd-checklist {
  padding: 46px 0;
  background: linear-gradient(180deg, rgba(220, 228, 239, 0.55), rgba(247, 241, 230, 0) 340px);
}
.page-products .pd-listwall {
  display: grid;
  gap: 16px;
  margin-top: 26px;
}
.page-products .pd-listcard {
  padding: 20px;
}
.page-products .pd-listcard-head {
  display: flex;
  align-items: center;
  gap: 12px;
  padding-bottom: 12px;
  border-bottom: 1px solid var(--pd-line);
}
.page-products .pd-listcard-head h3 {
  margin: 0;
  font-family: var(--font-display);
  font-size: 17px;
  font-weight: 800;
}
.page-products .pd-listcard-head .num {
  font-size: 12px;
  letter-spacing: 0.08em;
  color: var(--by-red);
}
.page-products .pd-count {
  margin-left: auto;
  padding: 2px 9px;
  border-radius: var(--r-pill);
  background: rgba(228, 178, 92, 0.35);
  color: #5a3f14;
  font-family: var(--font-mono);
  font-size: 12px;
}
.page-products .pd-list-ul {
  list-style: none;
  margin: 14px 0 0;
  padding: 0;
  display: grid;
  gap: 9px;
}
.page-products .pd-list-ul li {
  display: flex;
  gap: 9px;
  font-size: 14px;
  line-height: 1.62;
  color: var(--pd-ink-soft);
}
.page-products .pd-list-ul li::before {
  content: "";
  flex: 0 0 auto;
  width: 7px;
  height: 7px;
  margin-top: 8px;
  border-radius: 2px;
  background: var(--by-sand);
}
.page-products .pd-delivery {
  margin-top: 28px;
  padding: 24px 22px;
  border-radius: var(--r-lg);
  background: var(--by-navy);
  color: var(--by-cream);
}
.page-products .pd-delivery h3 {
  margin: 0;
  font-family: var(--font-display);
  font-size: 20px;
  font-weight: 800;
  color: var(--by-paper);
}
.page-products .pd-delivery > p {
  margin: 10px 0 0;
  font-size: 14.5px;
  line-height: 1.72;
  color: rgba(247, 241, 230, 0.85);
}
.page-products .pd-delivery-list {
  list-style: none;
  margin: 20px 0 0;
  padding: 0;
  display: grid;
  gap: 16px;
}
.page-products .pd-delivery-list li {
  padding-left: 14px;
  border-left: 3px solid var(--by-sand);
}
.page-products .pd-delivery-list strong {
  display: block;
  font-family: var(--font-mono);
  font-size: 13px;
  letter-spacing: 0.05em;
  color: var(--by-sand);
}
.page-products .pd-delivery-list p {
  margin: 7px 0 0;
  font-size: 14.5px;
  line-height: 1.72;
  color: rgba(247, 241, 230, 0.86);
}

/* ---- 版本节奏 ---- */
.page-products .pd-version {
  position: relative;
  padding: 46px 0;
  background: linear-gradient(135deg, var(--by-night), var(--by-navy));
  color: var(--by-cream);
}
.page-products .pd-version::before {
  content: "";
  position: absolute;
  inset: 0;
  background-image:
    repeating-linear-gradient(0deg, rgba(247, 241, 230, 0.06) 0 1px, transparent 1px 52px),
    repeating-linear-gradient(90deg, rgba(247, 241, 230, 0.06) 0 1px, transparent 1px 52px);
  pointer-events: none;
}
.page-products .pd-version .shell {
  position: relative;
}
.page-products .pd-version h2 {
  color: var(--by-paper);
}
.page-products .pd-version .section-marker {
  color: rgba(247, 241, 230, 0.6);
}
.page-products .pd-version .pd-mk-label {
  color: var(--by-sand);
}
.page-products .pd-version .pd-section-lead {
  color: rgba(247, 241, 230, 0.86);
}
.page-products .pd-version-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 14px;
  margin-top: 26px;
}
.page-products .pd-version-card {
  padding: 18px;
  border-radius: var(--r-md);
  background: rgba(247, 241, 230, 0.07);
  border: 1px solid rgba(247, 241, 230, 0.18);
}
.page-products .pd-version-card strong {
  display: block;
  font-family: var(--font-mono);
  font-size: clamp(20px, 5vw, 26px);
  color: var(--by-sand);
}
.page-products .pd-version-card span {
  display: block;
  margin-top: 6px;
  font-size: 13.5px;
  color: rgba(247, 241, 230, 0.8);
}
.page-products .pd-version-note {
  margin: 24px 0 0;
  font-size: 14.5px;
  line-height: 1.72;
  color: rgba(247, 241, 230, 0.85);
}
.page-products .pd-version-note a {
  color: var(--by-sand);
  text-decoration: underline;
  text-underline-offset: 3px;
}

/* ---- 起步 ---- */
.page-products .pd-start {
  padding: 46px 0 60px;
}
.page-products .pd-start-cards {
  display: grid;
  gap: 16px;
  margin-top: 24px;
}
.page-products .pd-start-card {
  display: block;
  padding: 22px;
  border-radius: var(--r-lg);
  background: var(--by-paper);
  border: 1px solid var(--pd-line);
  color: var(--by-ink);
  text-decoration: none;
  transition: transform 0.3s var(--ease), border-color 0.3s var(--ease), box-shadow 0.3s var(--ease);
}
.page-products .pd-start-card:hover {
  transform: translateY(-4px);
  border-color: var(--by-red);
  box-shadow: var(--shadow-soft);
}
.page-products .pd-start-card .num {
  font-size: 12px;
  letter-spacing: 0.1em;
  color: var(--by-red);
}
.page-products .pd-start-card h3 {
  margin: 10px 0 0;
  font-family: var(--font-display);
  font-size: 19px;
  font-weight: 800;
}
.page-products .pd-start-card p {
  margin: 10px 0 0;
  font-size: 14.5px;
  line-height: 1.74;
  color: var(--pd-ink-soft);
}
.page-products .pd-start-go {
  display: inline-block;
  margin-top: 16px;
  font-size: 14px;
  font-weight: 600;
  color: var(--by-red);
  border-bottom: 2px solid var(--by-sand);
  transition: border-color 0.3s var(--ease);
}
.page-products .pd-start-card:hover .pd-start-go {
  border-bottom-color: var(--by-red);
}

/* ---- 平板与桌面 ---- */
@media (min-width: 700px) {
  .page-products .pd-hero {
    padding: calc(var(--hdr-h) + 32px) 0 56px;
  }
  .page-products .pd-case-list,
  .page-products .pd-listwall,
  .page-products .pd-start-cards {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
  .page-products .pd-slices-track {
    margin-top: 30px;
  }
  .page-products .pd-slice {
    flex: 0 0 300px;
  }
  .page-products .pd-delivery {
    padding: 30px 28px;
  }
  .page-products .pd-delivery-list {
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 22px;
  }
  .page-products .pd-version-grid {
    grid-template-columns: repeat(4, minmax(0, 1fr));
  }
}

@media (min-width: 900px) {
  .page-products .pd-hero-grid {
    grid-template-columns: minmax(0, 1.65fr) minmax(280px, 0.9fr);
    gap: 48px;
    align-items: end;
  }
  .page-products .pd-slices-head {
    grid-template-columns: minmax(0, 1.7fr) minmax(240px, 0.8fr);
    gap: 40px;
    align-items: end;
  }
  .page-products .pd-slices-figure {
    margin-top: 0;
  }
  .page-products .pd-slices-head .pd-section-lead {
    max-width: 58ch;
  }
  .page-products .pd-table-wrap {
    margin-top: 24px;
    overflow-x: auto;
  }
  .page-products .pd-scene-table {
    display: table;
    border-collapse: separate;
    border-spacing: 0;
  }
  .page-products .pd-scene-table thead {
    display: table-header-group;
  }
  .page-products .pd-scene-table tbody {
    display: table-row-group;
  }
  .page-products .pd-scene-table tr {
    display: table-row;
    margin: 0;
    padding: 0;
    border: 0;
    border-bottom: 1px solid var(--pd-line);
    border-radius: 0;
    background: transparent;
  }
  .page-products .pd-scene-table th,
  .page-products .pd-scene-table td {
    display: table-cell;
    padding: 15px 16px;
    vertical-align: top;
  }
  .page-products .pd-scene-table td {
    margin-top: 0;
    font-size: 14.5px;
  }
  .page-products .pd-scene-table td::before {
    display: none;
  }
  .page-products .pd-scene-table thead th {
    padding: 0 16px 10px;
    border-bottom: 2px solid var(--by-sand);
    font-family: var(--font-mono);
    font-size: 12px;
    letter-spacing: 0.08em;
    color: var(--by-slate);
    white-space: nowrap;
  }
  .page-products .pd-scene-table tbody tr:nth-child(even) {
    background: rgba(220, 228, 239, 0.42);
  }
  .page-products .pd-scene-table tbody tr:hover {
    background: var(--by-mist);
  }
  .page-products .pd-cell-scene {
    position: relative;
    min-width: 200px;
  }
  .page-products .pd-cell-scene::after {
    content: "";
    position: absolute;
    left: 16px;
    bottom: 8px;
    width: 0;
    height: 2px;
    background: var(--by-red);
    transition: width 0.3s var(--ease);
  }
  .page-products .pd-scene-table tbody tr:hover .pd-cell-scene::after {
    width: 30px;
  }
  .page-products .pd-scene-more summary {
    position: relative;
    padding-right: 24px;
  }
  .page-products .pd-scene-more summary::after {
    position: absolute;
    right: 0;
    top: 0;
    margin-left: 0;
  }
  .page-products .pd-case-list {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
  .page-products .pd-case {
    padding: 26px;
  }
  .page-products .pd-listwall {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }
  .page-products .pd-start-cards {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 20px;
  }
  .page-products .pd-start-card {
    padding: 28px;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-products *,
  .page-products *::before,
  .page-products *::after {
    transition: none !important;
    animation: none !important;
  }
}