.page-products {
  --pd-gap: 28px;
  --pd-gap-lg: 56px;
  display: block;
}

.page-products .pd-breadcrumb {
  margin-bottom: 18px;
  font-size: 13px;
  letter-spacing: .04em;
}

.page-products .pd-breadcrumb a {
  color: rgba(255, 255, 255, .78);
  text-decoration: none;
  border-bottom: 1px solid rgba(255, 255, 255, .3);
}

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

.page-products .pd-bc-sep {
  margin: 0 8px;
  color: rgba(232, 238, 242, .45);
}

/* ---------- 首屏 ---------- */

.page-products .pd-hero {
  position: relative;
  overflow: hidden;
  padding: calc(var(--header-h) + 30px) 0 44px;
  background: linear-gradient(158deg, var(--steel) 0%, var(--ink) 58%, #09131a 100%);
  color: #fff;
  isolation: isolate;
}

.page-products .pd-hero-mesh {
  position: absolute;
  inset: 0;
  z-index: -1;
  background-image:
    linear-gradient(to right, rgba(127, 168, 191, .15) 1px, transparent 1px),
    linear-gradient(to bottom, rgba(127, 168, 191, .15) 1px, transparent 1px);
  background-size: 58px 58px;
  -webkit-mask-image: radial-gradient(circle at 80% 18%, #000 0%, transparent 70%);
  mask-image: radial-gradient(circle at 80% 18%, #000 0%, transparent 70%);
}

.page-products .pd-hero::after {
  content: "";
  position: absolute;
  z-index: -1;
  top: -160px;
  right: -150px;
  width: 420px;
  height: 420px;
  background: radial-gradient(circle, rgba(255, 138, 30, .32), transparent 66%);
  pointer-events: none;
}

.page-products .pd-hero-inner {
  position: relative;
}

.page-products .pd-hero .eyebrow {
  color: var(--amber-soft);
}

.page-products .pd-hero h1 {
  margin: 10px 0 16px;
  max-width: 18ch;
  font-family: var(--font-head);
  font-size: clamp(30px, 7vw, 56px);
  font-weight: 700;
  line-height: 1.08;
  letter-spacing: -.005em;
}

.page-products .pd-hero .lede {
  max-width: 46em;
  margin: 0;
  font-size: 16px;
  line-height: 1.85;
  color: rgba(232, 238, 242, .85);
}

.page-products .pd-facts {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 1px;
  margin-top: 30px;
  background: rgba(127, 168, 191, .3);
  border: 1px solid rgba(127, 168, 191, .3);
}

.page-products .pd-fact {
  display: flex;
  flex-direction: column;
  gap: 6px;
  padding: 16px 16px 18px;
  background: rgba(14, 27, 38, .74);
}

.page-products .pd-fact-v {
  font-size: 26px;
  font-weight: 700;
  line-height: 1;
  letter-spacing: .02em;
  color: var(--amber);
}

.page-products .pd-fact-k {
  font-size: 12.5px;
  letter-spacing: .08em;
  color: var(--mist);
}

/* ---------- 口径切换 ---------- */

.page-products .pd-scope-intro {
  max-width: 44em;
}

.page-products .pd-scope-bar {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  align-items: center;
  margin-bottom: var(--pd-gap);
}

.page-products .pd-scope-btn {
  padding: 11px 20px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: var(--paper);
  color: var(--text);
  font-family: var(--font-head);
  font-size: 15px;
  font-weight: 600;
  letter-spacing: .02em;
  cursor: pointer;
  transition: background-color 200ms ease, color 200ms ease, border-color 200ms ease;
}

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

.page-products .pd-scope-btn[aria-pressed="true"].pd-scope-btn--all {
  background: var(--steel);
  border-color: var(--steel);
  color: #fff;
}

.page-products .pd-scope-btn[aria-pressed="true"].pd-scope-btn--spec {
  background: var(--blue);
  border-color: var(--blue);
  color: #fff;
}

.page-products .pd-scope-btn[aria-pressed="true"].pd-scope-btn--custom {
  background: var(--amber);
  border-color: var(--amber);
  color: var(--ink);
}

.page-products .pd-scope-btn[aria-pressed="true"].pd-scope-btn--adapt {
  background: var(--teal);
  border-color: var(--teal);
  color: #fff;
}

.page-products .pd-cards {
  display: grid;
  grid-template-columns: 1fr;
  gap: 1px;
  background: var(--line-soft);
  border: 1px solid var(--line-soft);
}

.page-products .pd-card {
  position: relative;
  padding: 24px 20px 26px;
  background: var(--paper);
}

.page-products .pd-card::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  width: 0;
  height: 0;
  border-style: solid;
  border-width: 0 0 22px 22px;
  border-color: transparent transparent transparent var(--blue);
}

.page-products .pd-card--custom::before {
  border-left-color: var(--amber);
}

.page-products .pd-card--adapt::before {
  border-left-color: var(--teal);
}

.page-products .pd-card-head {
  display: flex;
  align-items: center;
  gap: 12px;
  margin-bottom: 14px;
  padding-left: 24px;
}

.page-products .pd-card-key {
  display: inline-block;
  padding: 3px 8px;
  background: var(--ink);
  color: var(--amber);
  font-size: 12px;
  font-weight: 700;
  letter-spacing: .08em;
}

.page-products .pd-card-head h3 {
  margin: 0;
  font-family: var(--font-head);
  font-size: 22px;
  font-weight: 700;
  color: var(--ink);
}

.page-products .pd-card p {
  margin: 0 0 16px;
  font-size: 15.5px;
  line-height: 1.8;
  color: var(--text);
}

.page-products .pd-card-figure {
  margin: 0 0 18px;
}

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

.page-products .pd-card-list {
  margin: 0;
  padding: 0;
  list-style: none;
  border-top: 1px solid var(--line-soft);
}

.page-products .pd-card-list li {
  display: grid;
  grid-template-columns: 54px 1fr;
  gap: 10px;
  padding: 11px 0;
  border-bottom: 1px solid var(--line-soft);
  font-size: 14.5px;
  line-height: 1.7;
  color: var(--muted);
}

.page-products .pd-card-list .mono {
  font-size: 12px;
  letter-spacing: .06em;
  color: var(--blue);
}

/* ---------- 报告批次 ---------- */

.page-products .pd-report-timeline {
  margin: 0 0 var(--pd-gap);
}

.page-products .pd-batch-bar {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  align-items: center;
  margin-bottom: 18px;
}

.page-products .pd-batch-bar .filter-btn {
  padding: 9px 15px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: var(--paper);
  color: var(--text);
  font-family: var(--font-mono);
  font-size: 13px;
  letter-spacing: .01em;
  cursor: pointer;
  transition: background-color 180ms ease, color 180ms ease, border-color 180ms ease;
}

.page-products .pd-batch-bar .filter-btn:hover {
  border-color: var(--amber);
  color: var(--note);
}

.page-products .pd-batch-bar .filter-btn[aria-pressed="true"] {
  background: var(--amber);
  border-color: var(--amber);
  color: var(--ink);
  font-weight: 700;
}

.page-products .pd-batch-list {
  border-top: 1px solid var(--line);
}

.page-products .acc-item {
  border-bottom: 1px solid var(--line);
}

.page-products .acc-head {
  display: flex;
  align-items: center;
  gap: 12px;
  width: 100%;
  padding: 17px 16px;
  border: 0;
  border-left: 3px solid var(--blue);
  background: var(--paper);
  color: var(--ink);
  font: inherit;
  text-align: left;
  cursor: pointer;
  transition: background-color 200ms ease;
}

.page-products .acc-head:hover {
  background: var(--grey);
}

.page-products .acc-item:nth-child(1) .acc-head {
  border-left-color: var(--teal);
}

.page-products .acc-item:nth-child(2) .acc-head {
  border-left-color: var(--mist);
}

.page-products .acc-item:nth-child(3) .acc-head {
  border-left-color: var(--mist);
}

.page-products .acc-item:nth-child(4) .acc-head {
  border-left-color: var(--mist);
}

.page-products .acc-index {
  flex: 0 0 auto;
  padding: 3px 8px;
  background: var(--steel);
  color: #fff;
  font-size: 12px;
  letter-spacing: .06em;
}

.page-products .acc-item:nth-child(1) .acc-index {
  background: var(--teal-deep);
}

.page-products .acc-title {
  flex: 1 1 auto;
  font-family: var(--font-head);
  font-size: 16px;
  font-weight: 600;
  line-height: 1.5;
}

.page-products .acc-icon {
  flex: 0 0 auto;
  position: relative;
  width: 16px;
  height: 16px;
}

.page-products .acc-icon::before,
.page-products .acc-icon::after {
  content: "";
  position: absolute;
  top: 50%;
  left: 0;
  width: 16px;
  height: 2px;
  background: var(--blue);
  transform: translateY(-50%);
  transition: transform 220ms ease;
}

.page-products .acc-icon::after {
  transform: translateY(-50%) rotate(90deg);
}

.page-products [aria-expanded="true"] .acc-icon::after {
  transform: translateY(-50%) rotate(0deg);
}

.page-products .acc-panel {
  background: #fff;
}

.page-products .acc-body {
  padding: 18px 16px 22px;
  border-left: 3px solid var(--line-soft);
}

.page-products .pd-table-caption {
  padding: 0 0 10px;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: .06em;
  color: var(--muted);
  text-align: left;
}

.page-products .pd-acc-note {
  margin: 14px 0 0;
  font-size: 14px;
  line-height: 1.75;
  color: var(--muted);
}

.page-products .pd-inline-cta {
  margin: 20px 0 0;
  padding-left: 14px;
  border-left: 2px solid var(--amber);
  font-size: 15px;
  line-height: 1.8;
  color: var(--text);
}

.page-products .pd-inline-cta a {
  color: var(--blue);
  text-decoration: underline;
  text-underline-offset: 3px;
}

.page-products .pd-inline-cta a:hover {
  color: var(--note);
}

/* ---------- 比价分档 ---------- */

.page-products .pd-ladder-figure {
  margin: 0 0 var(--pd-gap);
}

.page-products .pd-ladder {
  margin: 0;
  padding: 0;
  list-style: none;
  border-top: 1px solid var(--line);
}

.page-products .pd-step {
  display: grid;
  grid-template-columns: 46px 1fr;
  grid-template-areas:
    "key main"
    "key tag";
  gap: 8px 14px;
  padding: 20px 0;
  border-bottom: 1px solid var(--line-soft);
}

.page-products .pd-step-key {
  grid-area: key;
  display: flex;
  align-items: center;
  justify-content: center;
  width: 46px;
  height: 46px;
  background: var(--blue);
  color: #fff;
  font-size: 20px;
  font-weight: 700;
  letter-spacing: .02em;
}

.page-products .pd-step--b .pd-step-key {
  background: var(--mist);
  color: var(--ink);
}

.page-products .pd-step--c .pd-step-key {
  background: var(--amber);
  color: var(--ink);
}

.page-products .pd-step--d .pd-step-key {
  background: var(--teal-deep);
  color: #fff;
}

.page-products .pd-step-main {
  grid-area: main;
}

.page-products .pd-step-main h3 {
  margin: 0 0 6px;
  font-family: var(--font-head);
  font-size: 19px;
  font-weight: 700;
  color: var(--ink);
}

.page-products .pd-step-main p {
  margin: 0;
  font-size: 15px;
  line-height: 1.8;
  color: var(--muted);
}

.page-products .pd-step .tag {
  grid-area: tag;
  justify-self: start;
}

.page-products .pd-price-callout {
  display: flex;
  flex-wrap: wrap;
  gap: 16px 24px;
  align-items: center;
  justify-content: space-between;
  margin-top: var(--pd-gap);
}

.page-products .pd-price-callout p {
  flex: 1 1 260px;
  margin: 0;
}

/* ---------- 适配自检 ---------- */

.page-products .pd-check-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--pd-gap);
}

.page-products .pd-check-list {
  margin: 0;
  padding: 0;
  list-style: none;
  border-top: 1px solid var(--line);
}

.page-products .pd-check-row {
  display: grid;
  grid-template-columns: 34px 1fr;
  gap: 6px 14px;
  padding: 18px 0;
  border-bottom: 1px solid var(--line-soft);
}

.page-products .pd-check-num {
  padding-top: 3px;
  font-size: 12px;
  letter-spacing: .08em;
  color: var(--blue);
}

.page-products .pd-check-row h3 {
  margin: 0 0 6px;
  font-family: var(--font-head);
  font-size: 18px;
  font-weight: 700;
  color: var(--ink);
}

.page-products .pd-check-row p {
  margin: 0 0 10px;
  font-size: 15px;
  line-height: 1.8;
  color: var(--muted);
}

.page-products .pd-check-row .tag {
  justify-self: start;
}

.page-products .pd-verdict {
  margin-top: 22px;
  padding: 20px;
  border: 1px solid var(--line);
  border-top: 3px solid var(--amber);
  background: var(--grey);
}

.page-products .pd-verdict-label {
  margin: 0 0 8px;
  font-size: 12px;
  letter-spacing: .1em;
  color: var(--note);
}

.page-products .pd-verdict p:last-child {
  margin: 0;
  font-size: 15px;
  line-height: 1.85;
  color: var(--text);
}

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

/* ---------- 定制流程 ---------- */

.page-products .pd-flow-figure {
  margin: 0 0 var(--pd-gap);
}

.page-products .pd-flow {
  display: grid;
  grid-template-columns: 1fr;
  gap: 1px;
  margin: 0;
  padding: 0;
  list-style: none;
  background: var(--line-soft);
  border: 1px solid var(--line-soft);
}

.page-products .pd-flow li {
  position: relative;
  padding: 22px 20px 24px;
  background: var(--paper);
}

.page-products .pd-flow-num {
  display: inline-block;
  margin-bottom: 10px;
  font-size: 24px;
  font-weight: 700;
  line-height: 1;
  letter-spacing: .02em;
  color: var(--mist);
}

.page-products .pd-flow li:nth-child(3) .pd-flow-num {
  color: var(--amber);
}

.page-products .pd-flow li:nth-child(5) .pd-flow-num {
  color: var(--teal);
}

.page-products .pd-flow h3 {
  margin: 0 0 8px;
  font-family: var(--font-head);
  font-size: 17px;
  font-weight: 700;
  color: var(--ink);
}

.page-products .pd-flow p {
  margin: 0;
  font-size: 14.5px;
  line-height: 1.8;
  color: var(--muted);
}

/* ---------- 版本与调取 ---------- */

.page-products .pd-version-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 1px;
  background: var(--line-soft);
  border: 1px solid var(--line-soft);
}

.page-products .pd-version-card {
  padding: 24px 20px 26px;
  background: #fff;
}

.page-products .pd-version-card--amber {
  background: linear-gradient(150deg, var(--amber) 0%, var(--amber-soft) 100%);
}

.page-products .pd-version-card h3 {
  margin: 0 0 14px;
  font-family: var(--font-head);
  font-size: 19px;
  font-weight: 700;
  color: var(--ink);
}

.page-products .pd-version-card p {
  margin: 0 0 12px;
  font-size: 15px;
  line-height: 1.8;
  color: var(--text);
}

.page-products .pd-version-card p:last-child {
  margin-bottom: 0;
}

.page-products .pd-version-card .mono {
  font-size: 13.5px;
  color: var(--steel);
}

.page-products .pd-version-list {
  margin: 0;
  padding: 0;
  list-style: none;
  border-top: 1px solid var(--line-soft);
}

.page-products .pd-version-list li {
  padding: 12px 0;
  border-bottom: 1px solid var(--line-soft);
  font-size: 14.5px;
  line-height: 1.75;
  color: var(--muted);
}

.page-products .pd-version-list .mono {
  display: inline-block;
  min-width: 74px;
  margin-right: 10px;
  font-size: 12.5px;
  letter-spacing: .06em;
  color: var(--blue);
}

.page-products .pd-version-link {
  color: var(--blue);
  font-weight: 600;
  text-decoration: underline;
  text-underline-offset: 3px;
}

.page-products .pd-version-link:hover {
  color: var(--teal-deep);
}

/* ---------- 结尾行动 ---------- */

.page-products .pd-cta {
  margin-top: var(--pd-gap-lg);
  padding: 40px 0;
  background: linear-gradient(120deg, var(--ink) 0%, var(--steel) 62%, #1c3a4b 100%);
  color: #fff;
}

.page-products .pd-cta-inner {
  display: grid;
  grid-template-columns: 1fr;
  gap: 24px;
  align-items: center;
}

.page-products .pd-cta-eyebrow {
  color: var(--amber-soft);
}

.page-products .pd-cta-text h2 {
  margin: 8px 0 12px;
  font-family: var(--font-head);
  font-size: clamp(24px, 4.6vw, 34px);
  font-weight: 700;
  line-height: 1.2;
  color: #fff;
}

.page-products .pd-cta-text p:last-child {
  margin: 0;
  max-width: 44em;
  font-size: 15.5px;
  line-height: 1.8;
  color: rgba(232, 238, 242, .82);
}

.page-products .pd-cta-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
}

.page-products .pd-cta-actions .btn-outline {
  border-color: rgba(255, 255, 255, .5);
  color: #fff;
}

.page-products .pd-cta-actions .btn-outline:hover {
  border-color: var(--amber);
  color: var(--amber);
}

/* ---------- 响应式 ---------- */

@media (min-width: 640px) {
  .page-products .pd-facts {
    grid-template-columns: repeat(4, minmax(0, 1fr));
  }

  .page-products .pd-flow {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .page-products .pd-step {
    grid-template-columns: 46px 1fr auto;
    grid-template-areas: "key main tag";
    align-items: start;
    gap: 14px;
    padding: 24px 0;
  }

  .page-products .pd-step .tag {
    align-self: center;
  }
}

@media (min-width: 900px) {
  .page-products .pd-hero {
    padding: calc(var(--header-h) + 52px) 0 76px;
  }

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

  .page-products .pd-cards .pd-card {
    display: flex;
    flex-direction: column;
  }

  .page-products .pd-card-list {
    margin-top: auto;
  }

  .page-products .pd-check-grid {
    grid-template-columns: 7fr 5fr;
    gap: var(--pd-gap-lg);
    align-items: start;
  }

  .page-products .pd-check-figure {
    position: sticky;
    top: calc(var(--header-h) + 24px);
  }

  .page-products .pd-flow {
    grid-template-columns: repeat(5, minmax(0, 1fr));
  }

  .page-products .pd-flow li {
    padding: 24px 18px 28px;
  }

  .page-products .pd-version-grid {
    grid-template-columns: 5fr 4fr 3fr;
  }

  .page-products .pd-cta-inner {
    grid-template-columns: 7fr 5fr;
    gap: 40px;
  }

  .page-products .pd-cta-actions {
    justify-content: flex-end;
  }
}

@media (min-width: 1100px) {
  .page-products .section {
    padding-top: var(--pd-gap-lg);
    padding-bottom: var(--pd-gap-lg);
  }

  .page-products .pd-card {
    padding: 28px 24px 30px;
  }

  .page-products .acc-body {
    padding: 22px 24px 26px;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-products .pd-scope-btn,
  .page-products .pd-batch-bar .filter-btn,
  .page-products .acc-head,
  .page-products .acc-icon::before,
  .page-products .acc-icon::after {
    transition: none;
  }
}