/* ===== 服务与工具页 · page-products ===== */
.page-products {
  --prd-dark-line: rgba(245, 240, 230, 0.16);
  --prd-dark-text: rgba(245, 240, 230, 0.78);
  background: var(--cream);
  color: var(--graphite);
  overflow-x: clip;
}

.page-products .mono {
  font-family: var(--font-mono);
  letter-spacing: 0.02em;
}

.page-products .prd-top {
  padding-block: 20px 0;
}

/* ---------- 首屏 ---------- */
.page-products .prd-hero {
  padding-block: 18px 56px;
}

.page-products .prd-hero-head {
  max-width: 46rem;
}

.page-products .prd-hero h1 {
  font-family: var(--font-head);
  font-weight: 800;
  font-size: clamp(30px, 7.4vw, 52px);
  line-height: 1.12;
  letter-spacing: -0.01em;
  color: var(--ink-900);
  margin: 14px 0 18px;
}

.page-products .prd-lead {
  margin: 0;
  font-size: 15px;
  line-height: 1.75;
  color: var(--graphite);
  max-width: 40rem;
}

.page-products .prd-hero-board {
  display: grid;
  gap: 16px;
  margin-top: 32px;
}

/* 宽卡：服务范围面板 */
.page-products .prd-panel-card {
  position: relative;
  background: var(--paper);
  border: 1px solid var(--line);
  border-radius: var(--radius-card);
  overflow: hidden;
  box-shadow: var(--shadow-card);
}

.page-products .prd-panel-card::after {
  content: "";
  position: absolute;
  top: 0;
  right: 0;
  width: 0;
  height: 0;
  border-top: 34px solid var(--cream);
  border-left: 34px solid transparent;
  pointer-events: none;
}

.page-products .prd-panel-media {
  background: var(--ink-900);
  border-bottom: 3px solid var(--copper);
}

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

.page-products .prd-panel-body {
  padding: 22px 20px 24px;
}

.page-products .prd-card-code {
  display: block;
  font-size: 12px;
  color: var(--copper-ink);
  margin: 0 0 10px;
}

.page-products .prd-panel-body h2 {
  font-family: var(--font-head);
  font-weight: 800;
  font-size: clamp(21px, 4.6vw, 28px);
  line-height: 1.2;
  color: var(--ink-900);
  margin: 0 0 12px;
}

.page-products .prd-panel-body p {
  margin: 0;
  font-size: 15px;
  line-height: 1.75;
}

.page-products .prd-bullets {
  list-style: none;
  margin: 16px 0 20px;
  padding: 0;
  display: grid;
  gap: 8px;
}

.page-products .prd-bullets li {
  position: relative;
  padding-left: 18px;
  font-size: 14px;
  line-height: 1.6;
  color: var(--ink-700);
}

.page-products .prd-bullets li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.58em;
  width: 8px;
  height: 8px;
  border: 1px solid var(--copper);
  border-radius: 2px;
}

/* 窄卡组 */
.page-products .prd-side-stack {
  display: grid;
  gap: 16px;
}

.page-products .prd-mini-card {
  padding: 20px 18px 22px;
  background: var(--paper);
  border: 1px solid var(--line);
  border-left: 3px solid var(--copper);
  border-radius: var(--radius-card);
  transition: box-shadow 0.25s ease, transform 0.25s ease;
}

.page-products .prd-mini-card--accent {
  border-left-color: var(--orange);
  background: linear-gradient(180deg, var(--paper) 0%, #f7f1e4 100%);
}

.page-products .prd-mini-card h3 {
  font-family: var(--font-head);
  font-weight: 700;
  font-size: 19px;
  line-height: 1.3;
  color: var(--ink-900);
  margin: 0 0 10px;
}

.page-products .prd-mini-card p {
  margin: 0 0 14px;
  font-size: 14px;
  line-height: 1.72;
}

.page-products .prd-link {
  display: inline-block;
  font-size: 14px;
  font-weight: 600;
  color: var(--copper-ink);
  text-decoration: none;
  border-bottom: 1px solid var(--copper-300);
  padding-bottom: 2px;
  transition: color 0.2s ease, border-color 0.2s ease;
}

.page-products .prd-link:hover,
.page-products .prd-link:focus-visible {
  color: var(--ink-900);
  border-color: var(--ink-900);
}

/* ---------- 通用章节带 ---------- */
.page-products .prd-band {
  padding-block: 56px;
  border-top: 1px solid var(--line);
}

.page-products .prd-band--paper {
  background: var(--paper);
}

.page-products .prd-band--dark {
  background: var(--ink-900);
  color: var(--cream);
  border-top-color: transparent;
  background-image:
    linear-gradient(rgba(175, 196, 186, 0.07) 1px, transparent 1px),
    linear-gradient(90deg, rgba(175, 196, 186, 0.07) 1px, transparent 1px);
  background-size: 56px 56px;
}

.page-products .prd-sec-head {
  max-width: 44rem;
}

.page-products .prd-sec-head h2 {
  font-family: var(--font-head);
  font-weight: 800;
  font-size: clamp(23px, 5.2vw, 34px);
  line-height: 1.18;
  color: var(--ink-900);
  margin: 12px 0 14px;
}

.page-products .prd-sec-lead {
  margin: 0;
  font-size: 15px;
  line-height: 1.78;
}

.page-products .prd-band--dark .prd-sec-head h2 {
  color: var(--cream);
}

.page-products .prd-band--dark .prd-sec-lead {
  color: var(--prd-dark-text);
}

/* ---------- 工具矩阵 ---------- */
.page-products .prd-matrix-grid {
  display: grid;
  gap: 14px;
  margin-top: 28px;
}

.page-products .prd-tool {
  position: relative;
  padding: 22px 20px 20px;
  background: var(--cream);
  border: 1px solid var(--line);
  border-radius: var(--radius-card);
  transition: border-color 0.25s ease, transform 0.25s ease, box-shadow 0.25s ease;
}

.page-products .prd-tool:hover {
  border-color: var(--copper);
  transform: translateY(-2px);
  box-shadow: 0 16px 26px -26px rgba(11, 43, 38, 0.9);
}

.page-products .prd-tool-num {
  display: block;
  font-size: 12px;
  color: var(--copper-ink);
  margin-bottom: 10px;
}

.page-products .prd-tool h3 {
  font-family: var(--font-head);
  font-weight: 700;
  font-size: 20px;
  line-height: 1.3;
  color: var(--ink-900);
  margin: 0 0 10px;
}

.page-products .prd-tool p {
  margin: 0 0 14px;
  font-size: 14px;
  line-height: 1.72;
}

.page-products .prd-tool .tag {
  display: inline-block;
  font-size: 12px;
  line-height: 1;
  padding: 6px 10px;
  border-radius: 999px;
  border: 1px solid var(--copper-300);
  color: var(--copper-ink);
  background: transparent;
}

.page-products .prd-tool .tag--warn {
  border-color: var(--orange);
  color: var(--orange);
}

.page-products .prd-tool .tag--mint {
  border-color: var(--mist);
  color: var(--ink-700);
}

.page-products .prd-tool--wide {
  display: grid;
  gap: 16px;
  background: var(--ink-900);
  border-color: var(--ink-900);
  color: var(--cream);
}

.page-products .prd-tool--wide h3 {
  color: var(--cream);
}

.page-products .prd-tool--wide p {
  color: var(--prd-dark-text);
}

.page-products .prd-tool--wide .prd-tool-num {
  color: var(--copper-300);
}

.page-products .prd-tool--wide .prd-link {
  color: var(--copper-300);
  border-color: rgba(217, 178, 124, 0.5);
}

.page-products .prd-tool--wide .prd-link:hover,
.page-products .prd-tool--wide .prd-link:focus-visible {
  color: var(--cream);
  border-color: var(--cream);
}

.page-products .prd-tool--wide:hover {
  transform: none;
  box-shadow: 0 18px 32px -28px rgba(11, 43, 38, 0.95);
  border-color: var(--copper);
}

.page-products .prd-tool-media {
  border-radius: 10px;
  overflow: hidden;
  border: 1px solid var(--prd-dark-line);
}

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

/* ---------- 面板筛选 ---------- */
.page-products .prd-scope {
  position: relative;
  display: grid;
  gap: 10px;
  margin-top: 26px;
}

.page-products .prd-scope-input {
  position: absolute;
  width: 1px;
  height: 1px;
  opacity: 0;
  pointer-events: none;
}

.page-products .prd-scope-chip {
  display: flex;
  align-items: baseline;
  gap: 8px;
  padding: 11px 14px;
  background: var(--paper);
  border: 1px solid var(--line);
  border-radius: 999px;
  font-size: 14px;
  line-height: 1.3;
  color: var(--ink-700);
  cursor: pointer;
  transition: background 0.2s ease, color 0.2s ease, border-color 0.2s ease;
}

.page-products .prd-scope-chip .mono {
  font-size: 11px;
  color: var(--copper-ink);
  transition: color 0.2s ease;
}

.page-products .prd-scope-chip:hover {
  border-color: var(--copper);
}

.page-products .prd-scope-input:focus-visible + .prd-scope-chip {
  outline: 2px solid var(--copper);
  outline-offset: 2px;
}

.page-products .prd-scope-input:nth-of-type(1):checked ~ .prd-scope-chip:nth-of-type(1),
.page-products .prd-scope-input:nth-of-type(2):checked ~ .prd-scope-chip:nth-of-type(2),
.page-products .prd-scope-input:nth-of-type(3):checked ~ .prd-scope-chip:nth-of-type(3),
.page-products .prd-scope-input:nth-of-type(4):checked ~ .prd-scope-chip:nth-of-type(4) {
  background: var(--ink-900);
  border-color: var(--ink-900);
  color: var(--cream);
}

.page-products .prd-scope-input:nth-of-type(1):checked ~ .prd-scope-chip:nth-of-type(1) .mono,
.page-products .prd-scope-input:nth-of-type(2):checked ~ .prd-scope-chip:nth-of-type(2) .mono,
.page-products .prd-scope-input:nth-of-type(3):checked ~ .prd-scope-chip:nth-of-type(3) .mono,
.page-products .prd-scope-input:nth-of-type(4):checked ~ .prd-scope-chip:nth-of-type(4) .mono {
  color: var(--copper-300);
}

.page-products .prd-result {
  display: none;
  grid-column: 1 / -1;
  gap: 12px;
  padding: 20px 18px;
  background: var(--ink-900);
  color: var(--cream);
  border-radius: var(--radius-card);
  border-left: 3px solid var(--copper);
}

.page-products .prd-scope-input:nth-of-type(1):checked ~ .prd-result--1,
.page-products .prd-scope-input:nth-of-type(2):checked ~ .prd-result--2,
.page-products .prd-scope-input:nth-of-type(3):checked ~ .prd-result--3,
.page-products .prd-scope-input:nth-of-type(4):checked ~ .prd-result--4 {
  display: grid;
}

.page-products .prd-result-row {
  display: grid;
  gap: 2px;
  padding-top: 10px;
  border-top: 1px solid var(--prd-dark-line);
}

.page-products .prd-result-row:first-child {
  padding-top: 0;
  border-top: 0;
}

.page-products .prd-result-key {
  font-size: 11px;
  color: var(--copper-300);
  letter-spacing: 0.06em;
}

.page-products .prd-result-row span:last-child {
  font-size: 14px;
  line-height: 1.68;
  color: var(--cream);
}

.page-products .prd-result-code {
  font-size: 16px !important;
  color: var(--copper-300) !important;
  word-break: break-all;
}

.page-products .prd-foot-note {
  margin: 18px 0 0;
  font-size: 13px;
  line-height: 1.7;
  color: var(--graphite);
  padding-left: 14px;
  border-left: 2px solid var(--copper-300);
}

/* ---------- 四列对照 ---------- */
.page-products .prd-record-intro {
  display: grid;
  gap: 26px;
}

.page-products .prd-figure {
  margin: 0;
  border: 1px solid var(--line);
  border-radius: var(--radius-card);
  background: var(--paper);
  overflow: hidden;
}

.page-products .prd-figure img {
  display: block;
  width: 100%;
  height: auto;
  max-width: 100%;
  object-fit: cover;
}

.page-products .prd-figure .media-caption {
  display: block;
  padding: 12px 16px;
  font-size: 12.5px;
  line-height: 1.6;
  color: var(--graphite);
  border-top: 1px solid var(--line);
  background: var(--paper);
}

.page-products .prd-rectable {
  display: grid;
  gap: 10px;
  margin-top: 30px;
}

.page-products .prd-rt-head {
  display: none;
}

.page-products .prd-rt-row {
  display: grid;
  gap: 10px;
  padding: 16px;
  background: var(--paper);
  border: 1px solid var(--line);
  border-radius: 10px;
}

.page-products .prd-rt-cell {
  font-size: 14px;
  line-height: 1.68;
  color: var(--ink-700);
}

.page-products .prd-rt-cell::before {
  content: attr(data-label);
  display: block;
  font-family: var(--font-mono);
  font-size: 10.5px;
  letter-spacing: 0.06em;
  color: var(--copper-ink);
  margin-bottom: 3px;
}

.page-products .prd-rt-key {
  font-size: 13px;
  color: var(--ink-900);
  letter-spacing: 0.06em;
}

.page-products .prd-inline-cta {
  display: grid;
  gap: 14px;
  margin-top: 26px;
  padding: 20px;
  border: 1px dashed var(--line-strong);
  border-radius: var(--radius-card);
  background: rgba(217, 178, 124, 0.08);
}

.page-products .prd-inline-cta p {
  margin: 0;
  font-size: 14.5px;
  line-height: 1.7;
  color: var(--ink-700);
}

/* ---------- 换设备场景 ---------- */
.page-products .prd-device-grid {
  display: grid;
  gap: 26px;
}

.page-products .prd-device-copy h2 {
  font-family: var(--font-head);
  font-weight: 800;
  font-size: clamp(23px, 5.2vw, 32px);
  line-height: 1.2;
  color: var(--ink-900);
  margin: 12px 0 14px;
}

.page-products .prd-device-lead {
  margin: 0 0 20px;
  font-size: 15px;
  line-height: 1.78;
}

.page-products .prd-facts {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 14px;
}

.page-products .prd-facts li {
  display: grid;
  grid-template-columns: 34px 1fr;
  gap: 8px;
  padding-bottom: 14px;
  border-bottom: 1px solid var(--line);
}

.page-products .prd-facts li:last-child {
  border-bottom: 0;
  padding-bottom: 0;
}

.page-products .prd-fact-num {
  font-size: 12px;
  color: var(--copper-ink);
  padding-top: 3px;
}

.page-products .prd-facts strong {
  display: block;
  font-family: var(--font-head);
  font-size: 16px;
  font-weight: 700;
  color: var(--ink-900);
  margin-bottom: 4px;
}

.page-products .prd-facts p {
  margin: 0;
  font-size: 14px;
  line-height: 1.7;
}

.page-products .prd-device-tail {
  margin: 20px 0 0;
  font-size: 14px;
  line-height: 1.7;
  padding: 12px 14px;
  border-left: 3px solid var(--orange);
  background: rgba(217, 95, 31, 0.06);
  border-radius: 0 8px 8px 0;
  word-break: break-word;
}

/* ---------- 版本 ---------- */
.page-products .prd-version-bar {
  display: grid;
  gap: 12px;
  margin-top: 26px;
}

.page-products .prd-version-chip {
  display: grid;
  grid-template-columns: auto 1fr;
  gap: 14px;
  align-items: start;
  padding: 18px;
  background: rgba(251, 248, 242, 0.05);
  border: 1px solid var(--prd-dark-line);
  border-radius: var(--radius-card);
}

.page-products .prd-vbadge {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-width: 58px;
  padding: 8px 10px;
  font-size: 18px;
  color: var(--ink-900);
  background: var(--copper-300);
  border-radius: 6px;
  box-shadow: inset 0 0 0 1px rgba(11, 43, 38, 0.18);
}

.page-products .prd-version-chip strong {
  display: block;
  font-family: var(--font-head);
  font-size: 17px;
  font-weight: 700;
  color: var(--cream);
  margin-bottom: 6px;
}

.page-products .prd-version-chip p {
  margin: 0;
  font-size: 14px;
  line-height: 1.7;
  color: var(--prd-dark-text);
}

.page-products .prd-figure--version {
  margin-top: 22px;
  background: rgba(251, 248, 242, 0.05);
  border-color: var(--prd-dark-line);
}

.page-products .prd-figure--version .media-caption {
  background: transparent;
  color: var(--prd-dark-text);
  border-top-color: var(--prd-dark-line);
}

.page-products .prd-folds {
  display: grid;
  gap: 10px;
  margin-top: 22px;
}

.page-products .prd-fold {
  border: 1px solid var(--prd-dark-line);
  border-radius: 10px;
  background: rgba(251, 248, 242, 0.04);
}

.page-products .prd-fold summary {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  padding: 14px 16px;
  cursor: pointer;
  list-style: none;
  font-family: var(--font-head);
  font-weight: 700;
  font-size: 15.5px;
  color: var(--cream);
}

.page-products .prd-fold summary::-webkit-details-marker {
  display: none;
}

.page-products .prd-fold summary::after {
  content: "+";
  flex: 0 0 auto;
  font-family: var(--font-mono);
  font-size: 18px;
  color: var(--copper-300);
}

.page-products .prd-fold[open] summary::after {
  content: "−";
}

.page-products .prd-fold p {
  margin: 0;
  padding: 0 16px 16px;
  font-size: 14px;
  line-height: 1.75;
  color: var(--prd-dark-text);
}

/* ---------- 结果 ---------- */
.page-products .prd-results-grid {
  display: grid;
  gap: 28px;
}

.page-products .prd-results-copy h2 {
  font-family: var(--font-head);
  font-weight: 800;
  font-size: clamp(23px, 5.2vw, 32px);
  line-height: 1.2;
  color: var(--ink-900);
  margin: 12px 0 14px;
}

.page-products .prd-results-lead {
  margin: 0;
  font-size: 15px;
  line-height: 1.78;
}

.page-products .prd-stats {
  display: grid;
  gap: 12px;
  margin-top: 24px;
}

.page-products .prd-stat {
  padding: 18px;
  border-radius: var(--radius-card);
  background: var(--ink-900);
  border-left: 3px solid var(--copper);
}

.page-products .prd-stat-num {
  display: block;
  font-size: clamp(24px, 5.4vw, 30px);
  line-height: 1.1;
  color: var(--copper-300);
  letter-spacing: -0.01em;
}

.page-products .prd-stat p {
  margin: 8px 0 0;
  font-size: 13.5px;
  line-height: 1.6;
  color: var(--prd-dark-text);
}

.page-products .prd-results-aside {
  padding: 22px 20px;
  background: var(--paper);
  border: 1px solid var(--line);
  border-top: 3px solid var(--copper);
  border-radius: var(--radius-card);
}

.page-products .prd-next {
  list-style: none;
  margin: 14px 0 20px;
  padding: 0;
  display: grid;
  gap: 12px;
}

.page-products .prd-next li {
  padding-bottom: 12px;
  border-bottom: 1px solid var(--line);
}

.page-products .prd-next li:last-child {
  border-bottom: 0;
  padding-bottom: 0;
}

.page-products .prd-next a {
  display: inline-block;
  font-size: 14.5px;
  font-weight: 600;
  color: var(--ink-900);
  text-decoration: none;
  border-bottom: 1px solid var(--copper-300);
  padding-bottom: 2px;
  margin-bottom: 4px;
  transition: color 0.2s ease, border-color 0.2s ease;
}

.page-products .prd-next a:hover,
.page-products .prd-next a:focus-visible {
  color: var(--copper-ink);
  border-color: var(--copper);
}

.page-products .prd-next span {
  display: block;
  font-size: 13.5px;
  line-height: 1.65;
  color: var(--graphite);
}

/* ---------- 断点 ---------- */
@media (min-width: 720px) {
  .page-products .prd-hero {
    padding-block: 26px 72px;
  }

  .page-products .prd-lead {
    font-size: 16.5px;
  }

  .page-products .prd-band {
    padding-block: 76px;
  }

  .page-products .prd-panel-body {
    padding: 26px 28px 28px;
  }

  .page-products .prd-scope {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 12px;
  }

  .page-products .prd-scope-chip {
    justify-content: center;
  }

  .page-products .prd-result {
    padding: 24px 26px;
    gap: 14px;
  }

  .page-products .prd-result-row {
    grid-template-columns: 8.5rem 1fr;
    gap: 4px 16px;
    align-items: baseline;
  }

  .page-products .prd-stats {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }

  .page-products .prd-inline-cta {
    grid-template-columns: 1fr auto;
    align-items: center;
  }

  .page-products .prd-inline-cta .btn-row {
    justify-content: flex-end;
  }
}

@media (min-width: 900px) {
  .page-products .prd-hero-board {
    grid-template-columns: 1.55fr 1fr;
    align-items: start;
    gap: 20px;
  }

  .page-products .prd-matrix-grid {
    grid-template-columns: repeat(4, minmax(0, 1fr));
    gap: 16px;
  }

  .page-products .prd-tool:nth-child(1),
  .page-products .prd-tool:nth-child(6) {
    grid-column: span 2;
  }

  .page-products .prd-tool--wide {
    grid-template-columns: 1.05fr 1fr;
    align-items: center;
    gap: 22px;
  }

  .page-products .prd-scope {
    grid-template-columns: repeat(4, minmax(0, 1fr));
  }

  .page-products .prd-record-intro {
    grid-template-columns: 1fr 1fr;
    align-items: center;
    gap: 40px;
  }

  .page-products .prd-rectable {
    gap: 0;
    border: 1px solid var(--line);
    border-radius: var(--radius-card);
    overflow: hidden;
    background: var(--paper);
  }

  .page-products .prd-rt-head {
    display: grid;
    grid-template-columns: 7.5rem 1.15fr 1.15fr 1.4fr;
    gap: 16px;
    padding: 14px 18px;
    background: var(--ink-900);
    color: var(--cream);
  }

  .page-products .prd-rt-head span {
    font-family: var(--font-mono);
    font-size: 11.5px;
    letter-spacing: 0.06em;
    color: var(--copper-300);
  }

  .page-products .prd-rt-row {
    grid-template-columns: 7.5rem 1.15fr 1.15fr 1.4fr;
    gap: 16px;
    padding: 16px 18px;
    border: 0;
    border-top: 1px solid var(--line);
    border-radius: 0;
    background: transparent;
    align-items: start;
  }

  .page-products .prd-rt-row:nth-child(2) {
    border-top: 0;
  }

  .page-products .prd-rt-cell::before {
    display: none;
  }

  .page-products .prd-device-grid {
    grid-template-columns: 1fr 1.15fr;
    align-items: start;
    gap: 44px;
  }

  .page-products .prd-figure--device {
    position: sticky;
    top: 96px;
  }

  .page-products .prd-version-bar {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 16px;
  }

  .page-products .prd-folds {
    grid-template-columns: repeat(3, minmax(0, 1fr));
    align-items: start;
  }

  .page-products .prd-results-grid {
    grid-template-columns: 1.4fr 1fr;
    gap: 44px;
    align-items: start;
  }
}

@media (min-width: 1120px) {
  .page-products .prd-hero-board {
    grid-template-columns: 1.7fr 1fr;
  }

  .page-products .prd-figure--version img {
    max-height: 320px;
    object-position: center 40%;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-products .prd-tool,
  .page-products .prd-mini-card,
  .page-products .prd-link,
  .page-products .prd-scope-chip,
  .page-products .prd-next a {
    transition: none;
  }

  .page-products .prd-tool:hover {
    transform: none;
  }
}
<<<END>>>