/* ===== 三端下载 · 页面专属样式（作用域 .page-products） ===== */

.page-products {
  --pd-gap: clamp(14px, 2.2vw, 26px);
  --pd-band: clamp(40px, 6vw, 84px);
  --pd-rule: 1px solid var(--line);
  padding-bottom: clamp(40px, 7vw, 96px);
  color: var(--body);
}

.page-products .section {
  padding-top: var(--pd-band);
}

.page-products .section__lead {
  max-width: 44ch;
}

.page-products a {
  color: var(--cyan);
  text-decoration: none;
  border-bottom: 1px solid rgba(33, 243, 200, 0.35);
}

.page-products a:hover,
.page-products a:focus-visible {
  border-bottom-color: var(--cyan);
}

.page-products .btn {
  border-bottom: 0;
}

/* ---------- 首屏 ---------- */

.page-products .pd-hero {
  padding-top: clamp(16px, 3vw, 40px);
  position: relative;
}

.page-products .pd-hero__head {
  display: grid;
  gap: clamp(10px, 1.6vw, 20px);
  align-items: end;
  margin-bottom: clamp(20px, 3vw, 36px);
}

.page-products .pd-hero__text {
  max-width: 52ch;
}

.page-products .pd-hero h1 {
  margin: 12px 0 0;
  font-size: clamp(30px, 5vw, 62px);
  line-height: 1.06;
  font-weight: 900;
  letter-spacing: -0.02em;
  color: var(--title);
}

.page-products .pd-hero__lead {
  margin: 16px 0 0;
  max-width: 40ch;
  font-size: clamp(15px, 1.1vw, 17px);
  line-height: 1.9;
  color: var(--body);
}

.page-products .pd-hero__vnote {
  align-self: start;
}

.page-products .pd-hero__figure {
  margin: 0;
  width: 100%;
  overflow: hidden;
  background: var(--ink-2);
  border: 1px solid var(--line);
}

.page-products .pd-hero__figure img {
  display: block;
  width: 100%;
  height: auto;
  aspect-ratio: 1920 / 760;
  object-fit: cover;
  filter: saturate(0.7) brightness(0.86);
}

/* ---------- 三端对照 ---------- */

.page-products .pd-compare {
  margin-top: clamp(18px, 2.6vw, 32px);
  overflow-x: auto;
  border: var(--pd-rule);
  background: var(--ink-2);
}

.page-products .pd-compare__grid {
  min-width: 760px;
}

.page-products .pd-compare__row {
  display: grid;
  grid-template-columns: minmax(120px, 0.8fr) repeat(3, 1fr);
  border-top: var(--pd-rule);
}

.page-products .pd-compare__row:first-child {
  border-top: 0;
}

.page-products .pd-compare__cell {
  padding: 16px 18px;
  font-size: 15px;
  line-height: 1.75;
  border-left: var(--pd-rule);
  background: var(--card);
  color: var(--body);
}

.page-products .pd-compare__cell:first-child {
  border-left: 0;
}

.page-products .pd-compare__cell--lead {
  background: transparent;
  color: var(--dim);
  font-size: 13px;
  letter-spacing: 0.06em;
}

.page-products .pd-compare__row--head .pd-compare__cell {
  background: var(--glass);
  border-bottom: 1px solid rgba(33, 243, 200, 0.28);
  padding-top: 14px;
  padding-bottom: 14px;
}

.page-products .pd-compare__row--head .pd-compare__cell--lead {
  background: rgba(18, 48, 40, 0.6);
}

/* ---------- 电脑端入口 ---------- */

.page-products .pd-entry__body {
  display: grid;
  gap: clamp(20px, 3vw, 44px);
  align-items: start;
}

.page-products .pd-entry__hint {
  margin: 0 0 clamp(16px, 2.4vw, 26px);
  padding: 14px 16px;
  background: rgba(18, 48, 40, 0.72);
  border-left: 2px solid var(--cyan);
  font-size: 15px;
  line-height: 1.8;
  color: var(--body);
}

.page-products .pd-entry__hint-no {
  display: inline-block;
  margin-right: 10px;
  padding: 2px 8px;
  font-size: 12px;
  letter-spacing: 0.16em;
  color: var(--cyan);
  background: rgba(33, 243, 200, 0.1);
}

.page-products .pd-steps {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 2px;
}

.page-products .pd-steps__item {
  display: grid;
  grid-template-columns: 44px 1fr;
  gap: 16px;
  padding: 20px 0;
  border-top: var(--pd-rule);
}

.page-products .pd-steps__item:last-child {
  border-bottom: var(--pd-rule);
}

.page-products .pd-steps__no {
  font-family: var(--font-mono);
  font-size: 15px;
  letter-spacing: 0.08em;
  color: var(--cyan);
  padding-top: 3px;
}

.page-products .pd-steps__title {
  margin: 0 0 8px;
  font-size: 19px;
  font-weight: 800;
  letter-spacing: -0.01em;
  color: var(--title);
}

.page-products .pd-steps__text p {
  margin: 0;
  font-size: 15px;
  line-height: 1.85;
  max-width: 38ch;
}

.page-products .pd-entry__tip {
  margin: clamp(18px, 2.4vw, 28px) 0 0;
  font-size: 15px;
  line-height: 1.85;
  color: var(--dim);
  max-width: 44ch;
}

.page-products .pd-entry__figure {
  margin: 0;
  border: 1px solid var(--line);
  background: var(--ink-2);
  overflow: hidden;
}

.page-products .pd-entry__figure img {
  display: block;
  width: 100%;
  height: auto;
  aspect-ratio: 1200 / 800;
  object-fit: cover;
  filter: saturate(0.68) brightness(0.84);
}

/* ---------- 指标面板 ---------- */

.page-products .pd-metrics__figure {
  margin: 0 0 clamp(18px, 2.6vw, 30px);
  border: 1px solid var(--line);
  background: var(--ink-2);
  overflow: hidden;
}

.page-products .pd-metrics__figure img {
  display: block;
  width: 100%;
  height: auto;
  aspect-ratio: 1600 / 900;
  object-fit: cover;
  filter: saturate(0.66) brightness(0.84);
}

.page-products .pd-metrics {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 1px;
  background: var(--line);
  border: 1px solid var(--line);
}

.page-products .pd-metric {
  position: relative;
  background: var(--card);
  padding: 18px 16px 20px;
  display: grid;
  gap: 8px;
  transition: background 200ms var(--ease-hard), box-shadow 200ms var(--ease-hard);
}

.page-products .pd-metric:hover,
.page-products .pd-metric:focus-within {
  background: #1a4236;
  box-shadow: inset 2px 0 0 var(--cyan);
  outline: none;
}

.page-products .pd-metric__no {
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.14em;
  color: var(--cyan);
  opacity: 0.7;
}

.page-products .pd-metric__label {
  margin: 0;
  font-size: 17px;
  font-weight: 800;
  letter-spacing: -0.01em;
  color: var(--title);
}

.page-products .pd-metric__gloss {
  margin: 0;
  font-size: 14px;
  line-height: 1.72;
  color: var(--body);
}

.page-products .pd-metric__read {
  margin: 0;
  padding-top: 8px;
  border-top: 1px solid rgba(31, 74, 61, 0.9);
  font-size: 12.5px;
  line-height: 1.7;
  color: var(--dim);
}

.page-products .pd-refresh {
  margin-top: clamp(18px, 2.4vw, 28px);
  padding: clamp(16px, 2.2vw, 24px);
  display: grid;
  gap: 10px;
}

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

.page-products .pd-refresh__key {
  display: inline-block;
  min-width: 8.5em;
  margin-right: 10px;
  font-size: 12px;
  letter-spacing: 0.14em;
  color: var(--cyan);
}

/* ---------- CN 专区时间轴 ---------- */

.page-products .pd-timeline {
  margin-top: clamp(16px, 2.4vw, 28px);
  padding: 10px 0;
  border-top: var(--pd-rule);
  border-bottom: var(--pd-rule);
  overflow-x: auto;
}

.page-products .pd-timeline__svg {
  display: block;
  width: 100%;
  min-width: 620px;
  height: auto;
}

.page-products .pd-timeline__svg a circle {
  transition: r 200ms var(--ease-hard), fill 200ms var(--ease-hard);
}

.page-products .pd-timeline__svg a:hover circle:first-of-type,
.page-products .pd-timeline__svg a:focus-visible circle:first-of-type {
  fill: var(--cyan);
  r: 11;
}

.page-products .pd-timeline__svg a:focus-visible {
  outline: 2px solid var(--cyan);
  outline-offset: 4px;
}

.page-products .pd-change-list {
  margin-top: clamp(20px, 3vw, 34px);
  display: grid;
  gap: 1px;
  background: var(--line);
  border: 1px solid var(--line);
}

.page-products .pd-change {
  background: var(--ink-2);
  padding: clamp(18px, 2.4vw, 28px);
  display: grid;
  gap: 12px;
  scroll-margin-top: calc(var(--bar-h) + 24px);
}

.page-products .pd-change__title {
  margin: 0;
  font-size: clamp(19px, 2vw, 24px);
  font-weight: 800;
  letter-spacing: -0.01em;
  color: var(--title);
}

.page-products .pd-change p {
  margin: 0;
  font-size: 15px;
  line-height: 1.85;
  max-width: 46ch;
}

.page-products .pd-change__how {
  color: var(--dim);
  font-size: 14px;
}

.page-products .pd-changes__figure {
  margin: clamp(20px, 3vw, 34px) 0 0;
  border: 1px solid var(--line);
  overflow: hidden;
  background: var(--ink-2);
}

.page-products .pd-changes__figure img {
  display: block;
  width: 100%;
  height: auto;
  aspect-ratio: 1200 / 600;
  object-fit: cover;
  filter: saturate(0.55) brightness(0.8);
}

/* ---------- 运行环境 ---------- */

.page-products .pd-env__body {
  display: grid;
  gap: clamp(20px, 3vw, 40px);
  align-items: start;
  margin-top: clamp(16px, 2.4vw, 28px);
}

.page-products .pd-env__panel {
  border: 1px solid var(--line);
  background: var(--card);
  padding: clamp(16px, 2.2vw, 26px);
}

.page-products .pd-env__panel .tabs {
  margin-bottom: clamp(16px, 2vw, 24px);
}

.page-products .pd-env__title {
  margin: 0 0 14px;
  font-size: 18px;
  font-weight: 800;
  color: var(--title);
  letter-spacing: -0.01em;
}

.page-products .pd-env__list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 1px;
  background: var(--line);
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
}

.page-products .pd-env__list li {
  background: var(--card);
  padding: 14px 12px;
  font-size: 14.5px;
  line-height: 1.8;
  color: var(--body);
}

.page-products .pd-env__key {
  display: inline-block;
  min-width: 6.5em;
  margin-right: 10px;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.1em;
  color: var(--cyan);
}

.page-products .pd-env__figure {
  margin: 0;
  border: 1px solid var(--line);
  overflow: hidden;
  background: var(--ink-2);
}

.page-products .pd-env__figure img {
  display: block;
  width: 100%;
  height: auto;
  aspect-ratio: 1000 / 640;
  object-fit: cover;
  filter: saturate(0.6) brightness(0.82);
}

/* ---------- 版本记录 ---------- */

.page-products .pd-versions__list {
  margin-top: clamp(16px, 2.4vw, 28px);
  display: grid;
  gap: 12px;
}

.page-products .pd-version {
  border: 1px solid var(--line);
  background: var(--ink-2);
}

.page-products .pd-version__head {
  display: grid;
  grid-template-columns: auto auto 1fr;
  gap: 12px;
  align-items: center;
  width: 100%;
  padding: 16px 18px;
  background: transparent;
  border: 0;
  text-align: left;
  color: var(--title);
  font-size: 15px;
  cursor: pointer;
}

.page-products .pd-version__head:hover,
.page-products .pd-version__head:focus-visible {
  background: rgba(18, 48, 40, 0.7);
  outline: none;
  box-shadow: inset 2px 0 0 var(--cyan);
}

.page-products .pd-version__no {
  font-size: 15px;
  font-weight: 800;
  letter-spacing: 0.02em;
  color: var(--title);
}

.page-products .pd-version__ver {
  font-size: 13px;
  padding: 2px 8px;
  color: var(--cyan);
  border: 1px solid rgba(33, 243, 200, 0.35);
}

.page-products .pd-version__sum {
  font-size: 13.5px;
  color: var(--dim);
}

.page-products .pd-version__body {
  padding: 4px 18px 20px;
  border-top: 1px solid var(--line);
}

.page-products .pd-version__body ul {
  margin: 0;
  padding: 0 0 0 18px;
  display: grid;
  gap: 10px;
}

.page-products .pd-version__body li {
  font-size: 14.5px;
  line-height: 1.85;
  color: var(--body);
  max-width: 52ch;
}

/* ---------- 排查与出口 ---------- */

.page-products .pd-help__grid {
  margin-top: clamp(16px, 2.4vw, 26px);
  display: grid;
  gap: 14px;
}

.page-products .pd-help__item {
  padding: clamp(16px, 2vw, 22px);
}

.page-products .pd-help__item h3 {
  margin: 0 0 10px;
  font-size: 16.5px;
  font-weight: 800;
  letter-spacing: -0.01em;
  color: var(--title);
}

.page-products .pd-help__item p {
  margin: 0;
  font-size: 14.5px;
  line-height: 1.85;
  color: var(--body);
}

.page-products .pd-help__cta {
  margin-top: clamp(22px, 3vw, 34px);
  padding: clamp(20px, 2.8vw, 32px);
  background: linear-gradient(140deg, rgba(18, 48, 40, 0.95), rgba(5, 19, 15, 0.95));
  border: 1px solid var(--line);
  border-left: 3px solid var(--cyan);
}

.page-products .pd-help__cta p {
  margin: 0;
  font-size: 15px;
  line-height: 1.9;
  max-width: 52ch;
  color: var(--body);
}

.page-products .pd-help__actions {
  margin-top: 18px;
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
}

.page-products .pd-help__foot {
  margin: 18px 0 0;
  font-size: 14px;
  color: var(--dim);
}

/* ---------- 响应式 ---------- */

@media (min-width: 760px) {
  .page-products .pd-hero__head {
    grid-template-columns: 1fr auto;
  }

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

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

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

@media (min-width: 1080px) {
  .page-products .pd-hero__text {
    max-width: 56ch;
  }

  .page-products .pd-entry__body {
    grid-template-columns: minmax(0, 7fr) minmax(0, 5fr);
  }

  .page-products .pd-env__body {
    grid-template-columns: minmax(0, 7fr) minmax(0, 4fr);
  }

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

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

@media (max-width: 640px) {
  .page-products .pd-hero h1 {
    font-size: clamp(26px, 8.4vw, 38px);
  }

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

  .page-products .pd-steps__item {
    grid-template-columns: 34px 1fr;
    gap: 12px;
  }

  .page-products .pd-version__head {
    grid-template-columns: 1fr auto;
    row-gap: 8px;
  }

  .page-products .pd-version__sum {
    grid-column: 1 / -1;
  }

  .page-products .pd-refresh__key,
  .page-products .pd-env__key {
    display: block;
    min-width: 0;
    margin: 0 0 4px;
  }

  .page-products .pd-change-list {
    grid-template-columns: minmax(0, 1fr);
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-products .pd-metric,
  .page-products .pd-timeline__svg a circle {
    transition: none;
  }
}