.page-products {
  counter-reset: pd-picked;
  background: var(--paper);
  color: var(--graphite);
}

/* ---------- 面包屑 ---------- */
.page-products .pd-crumb {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 8px;
  margin: 0 0 clamp(22px, 4vw, 40px);
  font-family: var(--font-mono);
  font-size: 11.5px;
  letter-spacing: 0.06em;
  color: rgba(143, 163, 179, 0.92);
}

.page-products .pd-crumb a {
  color: inherit;
  text-decoration: none;
  border-bottom: 1px solid transparent;
  transition: color 0.18s var(--ease), border-bottom-color 0.18s var(--ease);
}

.page-products .pd-crumb a:hover {
  color: var(--cyan);
  border-bottom-color: var(--cyan);
}

.page-products .pd-crumb-sep {
  opacity: 0.5;
}

/* ---------- 首屏 ---------- */
.page-products .pd-hero {
  position: relative;
  overflow: hidden;
  padding: clamp(26px, 5vw, 46px) 0 clamp(44px, 7vw, 80px);
  background: var(--ink);
  color: var(--white);
}

.page-products .pd-hero::after {
  content: "";
  position: absolute;
  right: -18%;
  bottom: -52%;
  width: min(780px, 92vw);
  aspect-ratio: 1;
  pointer-events: none;
  background:
    radial-gradient(circle at center,
      transparent 0 23%,
      rgba(79, 240, 208, 0.12) 23% 23.5%,
      transparent 24% 37%,
      rgba(79, 240, 208, 0.09) 37% 37.5%,
      transparent 38% 52%,
      rgba(143, 163, 179, 0.14) 52% 52.4%,
      transparent 53% 67%,
      rgba(143, 163, 179, 0.1) 67% 67.4%,
      transparent 68%);
}

.page-products .pd-hero .container {
  position: relative;
  z-index: 1;
}

.page-products .pd-hero .eyebrow {
  color: var(--cyan);
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  margin: 0;
}

.page-products .pd-hero-grid {
  display: grid;
  gap: clamp(26px, 4vw, 52px);
  grid-template-columns: minmax(0, 1fr);
}

@media (min-width: 900px) {
  .page-products .pd-hero-grid {
    grid-template-columns: minmax(0, 1.55fr) minmax(0, 0.85fr);
    align-items: end;
  }
}

.page-products .pd-hero h1 {
  font-family: var(--font-title);
  font-weight: 800;
  font-size: clamp(34px, 6.6vw, 64px);
  line-height: 1.03;
  letter-spacing: -0.015em;
  margin: 16px 0 18px;
  color: var(--white);
}

.page-products .pd-lede {
  max-width: 48ch;
  margin: 0;
  font-size: clamp(15px, 1.7vw, 17px);
  line-height: 1.85;
  color: rgba(251, 247, 239, 0.8);
}

.page-products .pd-hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: clamp(22px, 3vw, 30px);
}

/* 仪表盘小面板 */
.page-products .pd-hero-dial {
  border: 1px solid rgba(143, 163, 179, 0.28);
  background: rgba(18, 37, 54, 0.74);
  padding: 4px 20px;
}

.page-products .pd-dial-row {
  display: flex;
  align-items: baseline;
  gap: 14px;
  padding: 15px 0;
  border-bottom: 1px solid rgba(143, 163, 179, 0.16);
}

.page-products .pd-dial-row:last-child {
  border-bottom: 0;
}

.page-products .pd-dial-num {
  min-width: 2.6ch;
  font-family: var(--font-mono);
  font-size: 30px;
  font-weight: 700;
  line-height: 1;
  letter-spacing: -0.03em;
  color: var(--cyan);
}

.page-products .pd-dial-label {
  font-size: 13px;
  line-height: 1.5;
  color: rgba(251, 247, 239, 0.72);
}

/* ---------- 通用区块 ---------- */
.page-products .pd-block {
  padding: clamp(42px, 6.5vw, 78px) 0;
}

.page-products .pd-block-tight {
  padding: clamp(30px, 4.5vw, 52px) 0;
}

.page-products .pd-sec-head {
  max-width: 64ch;
  margin-bottom: clamp(22px, 3.6vw, 38px);
}

.page-products .pd-sec-head .eyebrow {
  margin: 0;
  font-family: var(--font-mono);
  font-size: 11.5px;
  letter-spacing: 0.12em;
  color: #0E7F72;
}

.page-products .pd-sec-head h2 {
  font-family: var(--font-title);
  font-weight: 800;
  font-size: clamp(24px, 4vw, 38px);
  line-height: 1.14;
  letter-spacing: -0.01em;
  margin: 10px 0 14px;
  color: var(--ink);
}

.page-products .pd-sec-sub {
  margin: 0;
  font-size: clamp(14.5px, 1.5vw, 16px);
  line-height: 1.85;
  color: rgba(26, 35, 43, 0.72);
}

/* ---------- 索引文件夹标签 ---------- */
.page-products .pd-tabs {
  list-style: none;
  margin: 0 0 clamp(24px, 3.6vw, 38px);
  padding: 0;
  display: grid;
  gap: 10px;
  grid-template-columns: minmax(0, 1fr);
}

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

@media (min-width: 1040px) {
  .page-products .pd-tabs {
    grid-template-columns: repeat(4, minmax(0, 1fr));
  }
}

.page-products .pd-tab {
  display: grid;
  gap: 3px;
  align-content: start;
  padding: 15px 16px 17px;
  background: var(--white);
  border: 1px solid rgba(26, 35, 43, 0.1);
  border-top: 3px solid var(--contour);
}

.page-products .pd-tab-a { border-top-color: var(--teal-ink); }
.page-products .pd-tab-b { border-top-color: var(--steel); }
.page-products .pd-tab-c { border-top-color: var(--orange); }
.page-products .pd-tab-d { border-top-color: var(--cyan); }

.page-products .pd-tab-key {
  font-family: var(--font-mono);
  font-size: 20px;
  font-weight: 700;
  line-height: 1;
  color: var(--ink);
}

.page-products .pd-tab strong {
  font-size: 14.5px;
  font-weight: 700;
  color: var(--ink);
}

.page-products .pd-tab-range {
  font-family: var(--font-mono);
  font-size: 11.5px;
  letter-spacing: 0.06em;
  color: var(--steel);
}

.page-products .pd-tab p {
  margin: 6px 0 0;
  font-size: 12.5px;
  line-height: 1.65;
  color: rgba(26, 35, 43, 0.62);
}

/* ---------- 图片 ---------- */
.page-products .pd-figure {
  margin: 0 0 clamp(24px, 3.6vw, 38px);
}

.page-products .pd-figure-tall {
  margin: 0;
}

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

.page-products .pd-figure-tall .figure-media {
  aspect-ratio: 5 / 7;
}

.page-products .pd-figure-tall .figure-media img {
  height: 100%;
  object-fit: cover;
}

/* ---------- 清单板 ---------- */
.page-products .pd-board {
  position: relative;
}

.page-products .pd-radio {
  position: absolute;
  width: 1px;
  height: 1px;
  opacity: 0;
  pointer-events: none;
}

.page-products .pd-filter {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-bottom: 18px;
}

.page-products .pd-filter-btn {
  display: inline-block;
  padding: 8px 14px;
  border: 1px solid rgba(26, 35, 43, 0.22);
  background: transparent;
  color: var(--graphite);
  font-family: var(--font-mono);
  font-size: 11.5px;
  letter-spacing: 0.04em;
  cursor: pointer;
  transition: background 0.18s var(--ease), color 0.18s var(--ease), border-color 0.18s var(--ease);
}

.page-products .pd-filter-btn:hover {
  border-color: var(--ink);
}

.page-products #pd-cat-all:checked ~ .pd-filter .pd-filter-btn[for="pd-cat-all"],
.page-products #pd-cat-a:checked ~ .pd-filter .pd-filter-btn[for="pd-cat-a"],
.page-products #pd-cat-b:checked ~ .pd-filter .pd-filter-btn[for="pd-cat-b"],
.page-products #pd-cat-c:checked ~ .pd-filter .pd-filter-btn[for="pd-cat-c"],
.page-products #pd-cat-d:checked ~ .pd-filter .pd-filter-btn[for="pd-cat-d"] {
  background: var(--ink);
  border-color: var(--ink);
  color: var(--white);
}

.page-products #pd-cat-a:checked ~ .pd-cards .pd-card:not([data-cat="a"]),
.page-products #pd-cat-b:checked ~ .pd-cards .pd-card:not([data-cat="b"]),
.page-products #pd-cat-c:checked ~ .pd-cards .pd-card:not([data-cat="c"]),
.page-products #pd-cat-d:checked ~ .pd-cards .pd-card:not([data-cat="d"]) {
  display: none;
}

.page-products .pd-cards {
  display: grid;
  gap: 10px;
  grid-template-columns: minmax(0, 1fr);
}

@media (min-width: 620px) {
  .page-products .pd-cards {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

@media (min-width: 1000px) {
  .page-products .pd-cards {
    grid-template-columns: repeat(4, minmax(0, 1fr));
  }
}

.page-products .pd-card {
  position: relative;
  display: grid;
  gap: 5px;
  align-content: start;
  padding: 14px 34px 16px 15px;
  background: var(--white);
  border: 1px solid rgba(26, 35, 43, 0.1);
  border-left: 3px solid rgba(143, 163, 179, 0.55);
  cursor: pointer;
  transition: border-color 0.18s var(--ease), background 0.18s var(--ease), transform 0.18s var(--ease);
}

.page-products .pd-card:hover {
  border-left-color: var(--ink);
  transform: translateY(-1px);
}

.page-products .pd-card:has(.pd-check:checked) {
  background: #ECF8F5;
  border-left-color: #12A88E;
}

.page-products .pd-check {
  position: absolute;
  top: 13px;
  right: 12px;
  width: 16px;
  height: 16px;
  margin: 0;
  cursor: pointer;
  accent-color: #12A88E;
}

.page-products .pd-card-id {
  font-family: var(--font-mono);
  font-size: 11.5px;
  font-weight: 600;
  letter-spacing: 0.08em;
  color: var(--steel);
  transition: color 0.18s var(--ease);
}

.page-products .pd-card:has(.pd-check:checked) .pd-card-id {
  color: #0A6B5C;
}

.page-products .pd-card-title {
  font-size: 14px;
  font-weight: 700;
  line-height: 1.4;
  color: var(--ink);
}

.page-products .pd-card-desc {
  font-size: 12.5px;
  line-height: 1.62;
  color: rgba(26, 35, 43, 0.64);
}

/* ---------- V3 双栏对照 ---------- */
.page-products .pd-compare {
  background: var(--ink-2);
  color: var(--white);
}

.page-products .pd-sec-head-dark h2 {
  color: var(--white);
}

.page-products .pd-sec-head-dark .eyebrow {
  color: var(--cyan);
}

.page-products .pd-sec-head-dark .pd-sec-sub {
  color: rgba(251, 247, 239, 0.74);
}

.page-products .pd-figure-dark .figure-cap {
  color: rgba(251, 247, 239, 0.6);
}

.page-products .pd-cmp {
  display: grid;
  border-top: 1px solid rgba(143, 163, 179, 0.26);
}

.page-products .pd-cmp-head {
  display: none;
}

.page-products .pd-cmp-row {
  display: grid;
  gap: 10px;
  padding: 16px 0 18px;
  border-bottom: 1px solid rgba(143, 163, 179, 0.16);
}

.page-products .pd-cmp-key,
.page-products .pd-cmp-cell {
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.05em;
}

.page-products .pd-cmp-key {
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  gap: 8px;
  color: rgba(251, 247, 239, 0.88);
  font-family: var(--font-body);
  font-size: 14px;
  font-weight: 700;
  letter-spacing: 0;
}

.page-products .pd-cmp-id {
  font-family: var(--font-mono);
  font-size: 11.5px;
  font-weight: 600;
  letter-spacing: 0.08em;
  color: var(--steel);
}

.page-products .pd-cmp-val {
  display: block;
  padding-left: 12px;
  font-size: 14px;
  line-height: 1.7;
  color: rgba(251, 247, 239, 0.84);
}

.page-products .pd-val-old { border-left: 2px solid var(--orange); }
.page-products .pd-val-new { border-left: 2px solid var(--cyan); }

.page-products .pd-val-tag {
  display: inline-block;
  margin-right: 8px;
  font-family: var(--font-mono);
  font-size: 10.5px;
  letter-spacing: 0.08em;
  padding: 1px 6px;
  vertical-align: 1px;
}

.page-products .pd-val-old .pd-val-tag {
  color: var(--orange);
  border: 1px solid rgba(255, 138, 61, 0.55);
}

.page-products .pd-val-new .pd-val-tag {
  color: var(--cyan);
  border: 1px solid rgba(79, 240, 208, 0.55);
}

@media (min-width: 860px) {
  .page-products .pd-cmp-head {
    display: grid;
    grid-template-columns: minmax(180px, 0.85fr) minmax(0, 1fr) minmax(0, 1fr);
    gap: 20px;
    padding: 14px 0;
    border-bottom: 1px solid rgba(143, 163, 179, 0.26);
  }

  .page-products .pd-cmp-row {
    grid-template-columns: minmax(180px, 0.85fr) minmax(0, 1fr) minmax(0, 1fr);
    gap: 20px;
    align-items: start;
    padding: 16px 0;
  }

  .page-products .pd-cmp-old {
    color: var(--orange);
  }

  .page-products .pd-cmp-new {
    color: var(--cyan);
  }

  .page-products .pd-val-tag {
    display: none;
  }
}

/* ---------- 手机端九步 ---------- */
.page-products .pd-steps-wrap {
  display: grid;
  gap: clamp(24px, 4vw, 44px);
  grid-template-columns: minmax(0, 1fr);
}

@media (min-width: 900px) {
  .page-products .pd-steps-wrap {
    grid-template-columns: minmax(0, 340px) minmax(0, 1fr);
    align-items: start;
  }

  .page-products .pd-figure-tall {
    position: sticky;
    top: 92px;
  }
}

.page-products .pd-steps {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 0;
  border-top: 1px solid rgba(26, 35, 43, 0.14);
}

.page-products .pd-step {
  display: grid;
  grid-template-columns: 46px minmax(0, 1fr);
  gap: 12px;
  padding: 16px 0 18px;
  border-bottom: 1px solid rgba(26, 35, 43, 0.12);
}

.page-products .pd-step-no {
  font-family: var(--font-mono);
  font-size: 22px;
  font-weight: 700;
  line-height: 1;
  letter-spacing: -0.03em;
  color: var(--ink);
}

.page-products .pd-step:nth-child(3n + 1) .pd-step-no { color: #0E7F72; }
.page-products .pd-step:nth-child(3n + 3) .pd-step-no { color: #C25A16; }

.page-products .pd-step-body h3 {
  margin: 0 0 5px;
  font-family: var(--font-body);
  font-size: 15px;
  font-weight: 700;
  line-height: 1.4;
  color: var(--ink);
}

.page-products .pd-step-body p {
  margin: 0;
  font-size: 13.5px;
  line-height: 1.75;
  color: rgba(26, 35, 43, 0.68);
}

/* ---------- 终端矩阵 ---------- */
.page-products .pd-matrix-sec {
  background: var(--white);
}

.page-products .pd-matrix-wrap {
  overflow-x: auto;
  border: 1px solid rgba(26, 35, 43, 0.12);
}

.page-products .pd-matrix {
  width: 100%;
  min-width: 660px;
  border-collapse: collapse;
  font-size: 13.5px;
}

.page-products .pd-matrix caption {
  padding: 12px 14px;
  text-align: left;
  font-family: var(--font-mono);
  font-size: 11.5px;
  letter-spacing: 0.08em;
  color: var(--steel);
  border-bottom: 1px solid rgba(26, 35, 43, 0.1);
}

.page-products .pd-matrix thead th {
  padding: 12px 14px;
  text-align: left;
  font-family: var(--font-mono);
  font-size: 11.5px;
  font-weight: 600;
  letter-spacing: 0.08em;
  color: var(--ink);
  background: var(--paper);
  border-bottom: 1px solid rgba(26, 35, 43, 0.14);
}

.page-products .pd-matrix tbody th {
  padding: 13px 14px;
  text-align: left;
  font-size: 13.5px;
  font-weight: 700;
  color: var(--ink);
  border-bottom: 1px solid rgba(26, 35, 43, 0.1);
  white-space: nowrap;
}

.page-products .pd-matrix td {
  padding: 13px 14px;
  border-bottom: 1px solid rgba(26, 35, 43, 0.1);
  border-left: 1px solid rgba(26, 35, 43, 0.07);
  vertical-align: top;
}

.page-products .pd-matrix tbody tr:last-child th,
.page-products .pd-matrix tbody tr:last-child td {
  border-bottom: 0;
}

.page-products .pd-badge {
  display: inline-block;
  padding: 2px 7px;
  border-radius: 2px;
  font-family: var(--font-mono);
  font-size: 10.5px;
  letter-spacing: 0.05em;
  white-space: nowrap;
}

.page-products .pd-badge-ok {
  background: rgba(79, 240, 208, 0.22);
  color: #0A6B5C;
}

.page-products .pd-badge-warn {
  background: rgba(255, 138, 61, 0.2);
  color: #9A4310;
}

.page-products .pd-badge-note {
  background: rgba(143, 163, 179, 0.24);
  color: #3C4C58;
}

.page-products .pd-cell-note {
  display: block;
  margin-top: 6px;
  font-size: 12.5px;
  line-height: 1.6;
  color: rgba(26, 35, 43, 0.62);
}

/* ---------- 摘要 ---------- */
.page-products .pd-summary-sec {
  background: var(--paper);
}

.page-products .pd-summary {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: clamp(20px, 3.4vw, 40px);
  align-items: center;
  padding: clamp(18px, 3vw, 30px);
  background: var(--white);
  border: 1px solid rgba(26, 35, 43, 0.12);
  border-left: 4px solid var(--ink);
}

@media (min-width: 880px) {
  .page-products .pd-summary {
    grid-template-columns: minmax(0, 0.85fr) minmax(0, 1.15fr);
  }
}

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

.page-products .pd-summary-body .eyebrow {
  margin: 0;
  font-family: var(--font-mono);
  font-size: 11.5px;
  letter-spacing: 0.12em;
  color: #0E7F72;
}

.page-products .pd-summary-body h2 {
  margin: 10px 0 14px;
  font-family: var(--font-title);
  font-weight: 800;
  font-size: clamp(22px, 3.4vw, 32px);
  line-height: 1.16;
  color: var(--ink);
}

.page-products .pd-summary-body > p {
  margin: 0 0 16px;
  font-size: 14.5px;
  line-height: 1.85;
  color: rgba(26, 35, 43, 0.74);
}

.page-products .pd-picked {
  display: flex;
  align-items: baseline;
  gap: 10px;
  padding: 12px 16px;
  background: var(--ink);
  color: var(--white);
  width: fit-content;
  min-width: 180px;
}

.page-products .pd-picked-num {
  font-family: var(--font-mono);
  font-size: 30px;
  font-weight: 700;
  line-height: 1;
  letter-spacing: -0.03em;
  color: var(--cyan);
}

.page-products .pd-picked-num::after {
  content: counter(pd-picked);
}

.page-products .pd-picked-label {
  font-size: 12.5px;
  letter-spacing: 0.04em;
  color: rgba(251, 247, 239, 0.78);
}

.page-products .pd-summary-list {
  list-style: none;
  margin: 18px 0 0;
  padding: 0;
  display: grid;
  gap: 8px;
}

.page-products .pd-summary-list li {
  position: relative;
  padding-left: 18px;
  font-size: 13.5px;
  line-height: 1.7;
  color: rgba(26, 35, 43, 0.7);
}

.page-products .pd-summary-list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.72em;
  width: 7px;
  height: 7px;
  background: var(--cyan);
  border: 1px solid #0E7F72;
}

.page-products .pd-summary-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-top: 20px;
}

/* ---------- 下一步 ---------- */
.page-products .pd-next {
  background: var(--paper);
  border-top: 1px solid rgba(26, 35, 43, 0.12);
}

.page-products .pd-next-grid {
  display: grid;
  gap: 10px;
  grid-template-columns: minmax(0, 1fr);
}

@media (min-width: 640px) {
  .page-products .pd-next-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

@media (min-width: 1080px) {
  .page-products .pd-next-grid {
    grid-template-columns: repeat(4, minmax(0, 1fr));
  }
}

.page-products .pd-next-card {
  display: grid;
  gap: 6px;
  align-content: start;
  padding: 18px 18px 20px;
  background: var(--white);
  border: 1px solid rgba(26, 35, 43, 0.1);
  border-bottom: 3px solid var(--contour);
  text-decoration: none;
  color: inherit;
  transition: border-bottom-color 0.2s var(--ease), transform 0.2s var(--ease);
}

.page-products .pd-next-card:hover {
  border-bottom-color: #0E7F72;
  transform: translateY(-2px);
}

.page-products .pd-next-id {
  font-family: var(--font-mono);
  font-size: 11.5px;
  letter-spacing: 0.1em;
  color: var(--steel);
}

.page-products .pd-next-card strong {
  font-size: 16px;
  font-weight: 700;
  color: var(--ink);
}

.page-products .pd-next-card p {
  margin: 0;
  font-size: 13px;
  line-height: 1.7;
  color: rgba(26, 35, 43, 0.66);
}

.page-products .pd-next-go {
  margin-top: 6px;
  font-family: var(--font-mono);
  font-size: 11.5px;
  letter-spacing: 0.04em;
  color: #0E7F72;
}

/* ---------- 动效兼容 ---------- */
@media (prefers-reduced-motion: reduce) {
  .page-products * {
    transition-duration: 0.01ms !important;
    animation-duration: 0.01ms !important;
  }
}