.page-products {
  --pd-line-light: rgba(23, 51, 79, .14);
  --pd-card-dark: rgba(14, 31, 51, .86);
}

/* ---------- 首屏 ---------- */
.page-products .pd-hero {
  position: relative;
  padding: 100px 0 48px;
  background-color: var(--ink-900);
  background-image:
    radial-gradient(120% 80% at 84% 6%, rgba(49, 208, 195, .16), transparent 62%),
    radial-gradient(90% 70% at 0% 100%, rgba(231, 166, 60, .1), transparent 66%),
    linear-gradient(var(--grid-minor) 1px, transparent 1px),
    linear-gradient(90deg, var(--grid-minor) 1px, transparent 1px);
  background-size: auto, auto, 120px 120px, 120px 120px;
  color: var(--text-on-dark);
  overflow: hidden;
}

.page-products .pd-hero__inner {
  display: grid;
  gap: 34px;
  align-items: center;
}

.page-products .pd-hero .breadcrumbs {
  display: flex;
  align-items: center;
  gap: 8px;
  margin-bottom: 18px;
  font-size: 13px;
  color: var(--text-400);
}

.page-products .pd-hero .breadcrumbs a {
  color: var(--text-400);
  text-decoration: none;
  transition: color .25s var(--ease);
}

.page-products .pd-hero .breadcrumbs a:hover {
  color: var(--amber-200);
}

.page-products .pd-hero .breadcrumbs__sep {
  opacity: .5;
}

.page-products .pd-hero .breadcrumbs [aria-current="page"] {
  color: var(--text-on-dark);
}

.page-products .pd-hero .eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  margin: 0;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: .14em;
  color: var(--amber-500);
}

.page-products .pd-hero .eyebrow::before {
  content: "";
  width: 24px;
  height: 1px;
  background: currentColor;
}

.page-products .pd-hero h1 {
  margin: 16px 0 0;
  font-size: clamp(30px, 6.2vw, 54px);
  line-height: 1.12;
  letter-spacing: -.025em;
  font-weight: 800;
}

.page-products .pd-hero .lede {
  margin: 18px 0 0;
  max-width: 34em;
  font-size: 16px;
  line-height: 1.78;
  color: var(--text-on-dark);
  opacity: .82;
}

.page-products .pd-hero__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 26px;
}

.page-products .pd-hero__note {
  margin: 14px 0 0;
  color: var(--text-400);
}

.page-products .pd-hero__figure {
  margin: 0;
  border: 1px solid var(--ink-700);
  border-radius: 10px;
  background: var(--ink-800);
  box-shadow: var(--shadow-card);
  transform: rotate(-1.4deg);
  overflow: hidden;
}

.page-products .pd-hero__figure img,
.page-products .pd-steps__figure img,
.page-products .pd-dl-figure img,
.page-products .pd-export__figure img,
.page-products .pd-version__figure img {
  display: block;
  width: 100%;
  max-width: 100%;
  height: auto;
  object-fit: cover;
}

.page-products .pd-hero__index {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin: 38px 0 0;
  padding: 0;
  list-style: none;
}

.page-products .pd-index__link {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 8px 14px;
  border: 1px solid var(--ink-700);
  border-radius: 999px;
  background: rgba(8, 19, 31, .6);
  font-size: 13px;
  color: var(--text-400);
  text-decoration: none;
  transition: color .25s var(--ease), border-color .25s var(--ease), background .25s var(--ease);
}

.page-products .pd-index__link::before {
  content: "";
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--cyan-400);
}

.page-products .pd-index__link:hover {
  color: var(--amber-200);
  border-color: var(--amber-500);
  background: rgba(231, 166, 60, .1);
}

/* ---------- 章节骨架 ---------- */
.page-products .pd-sec {
  position: relative;
  padding: clamp(48px, 7vw, 82px) 0;
}

.page-products .pd-sec--tight {
  padding: clamp(36px, 5vw, 58px) 0;
}

.page-products .pd-sec--light {
  background-color: var(--paper-100);
  background-image:
    linear-gradient(var(--grid-light) 1px, transparent 1px),
    linear-gradient(90deg, var(--grid-light) 1px, transparent 1px);
  background-size: 24px 24px, 24px 24px;
  color: var(--text-800);
}

.page-products .pd-sec--deep {
  background-color: var(--ink-800);
  color: var(--text-on-dark);
}

.page-products .pd-sec--light h2,
.page-products .pd-sec--light h3 {
  color: var(--text-800);
}

.page-products .pd-sec--light p {
  color: var(--on-light-muted);
}

.page-products .pd-head {
  max-width: 780px;
  margin-bottom: 28px;
}

.page-products .pd-head .eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  margin: 0 0 12px;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: .14em;
  color: var(--amber-500);
}

.page-products .pd-sec--light .pd-head .eyebrow {
  color: var(--amber-600);
}

.page-products .pd-head .eyebrow::before {
  content: "";
  width: 22px;
  height: 1px;
  background: currentColor;
}

.page-products .pd-head h2 {
  margin: 0 0 14px;
  font-size: clamp(24px, 3.4vw, 36px);
  line-height: 1.2;
  letter-spacing: -.02em;
  font-weight: 800;
}

.page-products .pd-head p {
  margin: 0;
  font-size: 15.5px;
  line-height: 1.78;
}

.page-products .pd-sec--deep .pd-head p {
  color: var(--text-400);
}

/* ---------- 01 改版说明 ---------- */
.page-products .pd-panels {
  display: grid;
  grid-template-columns: 1fr;
  gap: 14px;
}

.page-products .pd-panel {
  position: relative;
  padding: 24px 22px 22px;
  border: 1px solid var(--pd-line-light);
  border-left: 3px solid var(--amber-500);
  border-radius: 0 10px 10px 0;
  background: #fff;
  transition: transform .3s var(--ease), border-left-color .3s var(--ease);
}

.page-products .pd-panel:hover {
  transform: translateY(-4px);
  border-left-color: var(--cyan-deep);
}

.page-products .pd-panel__num {
  margin: 0 0 10px;
  font-family: var(--font-mono);
  font-size: 13px;
  letter-spacing: .1em;
  color: var(--cyan-deep);
}

.page-products .pd-panel h3 {
  margin: 0 0 10px;
  font-size: 17px;
  line-height: 1.4;
}

.page-products .pd-panel p:last-child {
  margin: 0;
  font-size: 14.5px;
  line-height: 1.75;
}

.page-products .pd-band {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 1px;
  margin-top: 32px;
  border: 1px solid var(--pd-line-light);
  border-radius: 10px;
  background: var(--pd-line-light);
  overflow: hidden;
}

.page-products .pd-band .data-band__cell {
  display: flex;
  flex-direction: column;
  gap: 5px;
  padding: 18px 16px;
  background: #fff;
}

.page-products .pd-band .mono {
  font-family: var(--font-mono);
  font-size: 17px;
  letter-spacing: .03em;
  color: var(--cyan-deep);
}

.page-products .pd-band .data-band__cell span:last-child {
  font-size: 13px;
  color: var(--on-light-muted);
}

/* ---------- 02 三步引导 ---------- */
.page-products .pd-steps__figure {
  margin: 0 0 30px;
  border: 1px solid var(--ink-700);
  border-radius: 10px;
  overflow: hidden;
}

.page-products .pd-steps {
  display: grid;
  grid-template-columns: 1fr;
  gap: 16px;
}

.page-products .pd-step {
  background: var(--pd-card-dark);
  border: 1px solid var(--ink-700);
  border-radius: 10px;
  overflow: hidden;
  transition: transform .3s var(--ease), border-color .3s var(--ease);
}

.page-products .pd-step:hover {
  transform: translateY(-4px);
}

.page-products .pd-step[open] {
  border-color: var(--cyan-400);
}

.page-products .pd-step__summary {
  display: flex;
  align-items: center;
  gap: 14px;
  padding: 18px;
  cursor: pointer;
  list-style: none;
}

.page-products .pd-step__summary::-webkit-details-marker {
  display: none;
}

.page-products .pd-step__num {
  flex: 0 0 auto;
  font-family: var(--font-mono);
  font-size: 20px;
  letter-spacing: .04em;
  color: var(--amber-500);
}

.page-products .pd-step__title {
  flex: 1 1 auto;
  font-size: 16.5px;
  font-weight: 700;
  line-height: 1.45;
  color: var(--text-on-dark);
}

.page-products .pd-step__sign {
  position: relative;
  flex: 0 0 auto;
  width: 14px;
  height: 14px;
}

.page-products .pd-step__sign::before,
.page-products .pd-step__sign::after {
  content: "";
  position: absolute;
  background: var(--cyan-400);
  border-radius: 1px;
}

.page-products .pd-step__sign::before {
  left: 0;
  top: 6px;
  width: 14px;
  height: 2px;
}

.page-products .pd-step__sign::after {
  left: 6px;
  top: 0;
  width: 2px;
  height: 14px;
  transition: transform .25s var(--ease);
}

.page-products .pd-step[open] .pd-step__sign::after {
  transform: scaleY(0);
}

.page-products .pd-step__body {
  padding: 16px 18px 20px;
  border-top: 1px solid var(--ink-700);
  font-size: 14.5px;
  line-height: 1.74;
  color: var(--text-400);
}

.page-products .pd-step__body p {
  margin: 0 0 12px;
}

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

.page-products .pd-step__check {
  padding: 12px 14px;
  border-left: 2px solid var(--cyan-400);
  border-radius: 0 8px 8px 0;
  background: rgba(49, 208, 195, .08);
  color: var(--text-on-dark);
}

.page-products .pd-step__check .mono {
  margin-right: 8px;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: .06em;
  color: var(--cyan-400);
}

/* ---------- 03 下载矩阵 ---------- */
.page-products .pd-dl-layout {
  display: grid;
  grid-template-columns: 1fr;
  gap: 22px;
}

.page-products .pd-downloads {
  display: grid;
  grid-template-columns: 1fr;
  gap: 14px;
}

.page-products .pd-dl {
  position: relative;
  padding: 20px 18px;
  border: 1px solid var(--pd-line-light);
  border-radius: 10px;
  background: #fff;
  overflow: hidden;
  transition: transform .3s var(--ease), border-color .3s var(--ease);
}

.page-products .pd-dl::after {
  content: "";
  position: absolute;
  right: -26px;
  top: -26px;
  width: 70px;
  height: 70px;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(231, 166, 60, .2), transparent 70%);
}

.page-products .pd-dl:hover {
  transform: translateY(-4px);
  border-color: var(--amber-500);
}

.page-products .pd-dl__type {
  margin: 0 0 8px;
  font-family: var(--font-mono);
  font-size: 11.5px;
  letter-spacing: .1em;
  color: var(--cyan-deep);
}

.page-products .pd-dl h3 {
  margin: 0 0 8px;
  font-size: 16.5px;
  line-height: 1.4;
}

.page-products .pd-dl p {
  margin: 0 0 12px;
  font-size: 14px;
  line-height: 1.72;
}

.page-products .pd-dl__meta {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 8px;
  margin: 0;
}

.page-products .pd-dl__meta .mono {
  font-family: var(--font-mono);
  font-size: 12.5px;
  letter-spacing: .03em;
  color: var(--on-light-muted);
}

.page-products .pd-dl-figure {
  margin: 0;
  border: 1px solid var(--pd-line-light);
  border-radius: 10px;
  background: var(--ink-800);
  overflow: hidden;
}

.page-products .pd-dl-note {
  margin-top: 20px;
}

/* ---------- 04 导出 ---------- */
.page-products .pd-export {
  display: grid;
  grid-template-columns: 1fr;
  gap: 28px;
}

.page-products .pd-sec--deep .pd-export__list {
  list-style: none;
  margin: 22px 0 26px;
  padding: 0;
  display: grid;
  gap: 12px;
}

.page-products .pd-sec--deep .pd-export__list li {
  padding: 14px 16px;
  border: 1px solid var(--ink-700);
  border-radius: 8px;
  background: rgba(8, 19, 31, .55);
  font-size: 14.5px;
  line-height: 1.72;
  color: var(--text-400);
}

.page-products .pd-export__list .mono {
  display: block;
  margin-bottom: 6px;
  font-family: var(--font-mono);
  font-size: 12.5px;
  letter-spacing: .08em;
  color: var(--amber-500);
}

.page-products .pd-export__figure {
  margin: 0;
  border: 1px solid var(--ink-700);
  border-radius: 10px;
  overflow: hidden;
}

.page-products .pd-export__note {
  margin-top: 14px;
  color: var(--text-400);
}

/* ---------- 05 版本对照 ---------- */
.page-products .pd-version__figure {
  margin: 0 0 24px;
  border: 1px solid var(--pd-line-light);
  border-radius: 10px;
  overflow: hidden;
}

.page-products .pd-table-wrap {
  border: 1px solid var(--pd-line-light);
  border-radius: 10px;
  background: #fff;
  overflow-x: auto;
  -webkit-overflow-scrolling: touch;
}

.page-products .pd-table {
  width: 100%;
  min-width: 660px;
  border-collapse: collapse;
  font-size: 14px;
}

.page-products .pd-table th {
  padding: 14px 16px;
  border-bottom: 1px solid var(--pd-line-light);
  background: #EDF1F6;
  font-size: 12.5px;
  font-weight: 600;
  letter-spacing: .06em;
  text-align: left;
  color: var(--on-light-muted);
}

.page-products .pd-table td {
  padding: 14px 16px;
  border-bottom: 1px solid var(--pd-line-light);
  line-height: 1.62;
  vertical-align: top;
  color: var(--text-800);
}

.page-products .pd-table tbody tr:nth-child(even) {
  background: #FAFBFD;
}

.page-products .pd-table td.mono {
  font-family: var(--font-mono);
  font-weight: 600;
  letter-spacing: .04em;
  color: var(--cyan-deep);
}

.page-products .pd-table tbody tr.pd-table__now {
  background: rgba(49, 208, 195, .13);
  box-shadow: inset 3px 0 0 var(--cyan-deep);
}

.page-products .pd-table tbody tr.pd-table__now td {
  color: var(--text-800);
  font-weight: 600;
}

.page-products .pd-versions__note {
  margin-top: 16px;
}

/* ---------- 06 常见卡点 ---------- */
.page-products .pd-faq {
  display: grid;
  grid-template-columns: 1fr;
  gap: 12px;
}

.page-products .pd-faq__item {
  padding: 0 18px;
  border: 1px solid var(--ink-700);
  border-radius: 10px;
  background: var(--pd-card-dark);
  transition: border-color .25s var(--ease);
}

.page-products .pd-faq__item[open] {
  border-color: var(--amber-500);
}

.page-products .pd-faq__item summary {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 18px 0;
  cursor: pointer;
  list-style: none;
  font-size: 15.5px;
  font-weight: 600;
  line-height: 1.5;
  color: var(--text-on-dark);
}

.page-products .pd-faq__item summary::-webkit-details-marker {
  display: none;
}

.page-products .pd-faq__item summary::after {
  content: "+";
  margin-left: auto;
  font-family: var(--font-mono);
  font-size: 18px;
  color: var(--cyan-400);
}

.page-products .pd-faq__item[open] summary::after {
  content: "–";
}

.page-products .pd-faq__body {
  padding: 14px 0 18px;
  border-top: 1px solid var(--ink-700);
  font-size: 14.5px;
  line-height: 1.75;
  color: var(--text-400);
}

.page-products .pd-faq__body p {
  margin: 0 0 10px;
}

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

.page-products .pd-faq__body a {
  color: var(--amber-200);
  text-decoration: underline;
  text-underline-offset: 3px;
}

.page-products .pd-faq__body a:hover {
  color: var(--amber-500);
}

/* ---------- 收尾 ---------- */
.page-products .pd-cta {
  background-color: var(--ink-900);
  background-image: linear-gradient(120deg, var(--ink-800), var(--ink-900));
  color: var(--text-on-dark);
}

.page-products .pd-cta__inner {
  display: flex;
  flex-direction: column;
  gap: 20px;
}

.page-products .pd-cta h2 {
  margin: 0 0 10px;
  font-size: clamp(22px, 3vw, 30px);
  line-height: 1.25;
  letter-spacing: -.02em;
}

.page-products .pd-cta p {
  margin: 0;
  max-width: 46em;
  font-size: 15px;
  line-height: 1.75;
  color: var(--text-400);
}

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

/* ---------- 断点 ---------- */
@media (min-width: 560px) {
  .page-products .pd-downloads {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

@media (min-width: 760px) {
  .page-products .pd-hero {
    padding: 120px 0 60px;
  }

  .page-products .pd-panels {
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 16px;
  }

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

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

@media (min-width: 920px) {
  .page-products .pd-hero__inner {
    grid-template-columns: minmax(0, 1.1fr) minmax(0, .9fr);
    gap: 48px;
  }

  .page-products .pd-steps {
    grid-template-columns: repeat(3, minmax(0, 1fr));
    align-items: start;
    gap: 18px;
  }

  .page-products .pd-step:nth-child(2) {
    margin-top: 34px;
  }

  .page-products .pd-step:nth-child(3) {
    margin-top: 68px;
  }

  .page-products .pd-export {
    grid-template-columns: minmax(0, 1.05fr) minmax(0, .95fr);
    align-items: center;
    gap: 40px;
  }

  .page-products .pd-cta__inner {
    flex-direction: row;
    align-items: center;
    justify-content: space-between;
    gap: 40px;
  }
}

@media (min-width: 980px) {
  .page-products .pd-dl-layout {
    grid-template-columns: minmax(0, 1fr) 300px;
    align-items: start;
    gap: 28px;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-products .pd-hero__figure {
    transform: none;
  }

  .page-products * {
    transition: none !important;
    animation: none !important;
  }
}