.page-products {
  --pp-pad: clamp(18px, 2.4vw, 30px);
  --pp-line: #242B3F;
  --pp-shadow: 0 1px 0 rgba(244, 245, 248, .04);
}

/* ---------- 首屏 ---------- */
.page-products .dl-hero {
  position: relative;
  overflow: hidden;
  padding-top: calc(var(--header-h) + clamp(48px, 9vw, 104px));
  padding-bottom: clamp(36px, 6vw, 68px);
}

.page-products .dl-hero::before {
  content: "";
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(var(--pp-line) 1px, transparent 1px),
    linear-gradient(90deg, var(--pp-line) 1px, transparent 1px);
  background-size: 80px 80px;
  opacity: .14;
  pointer-events: none;
}

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

.page-products .breadcrumb {
  margin-bottom: clamp(24px, 4vw, 44px);
}

.page-products .dl-hero__grid {
  display: grid;
  gap: clamp(30px, 5vw, 56px);
}

.page-products .dl-hero__title {
  margin: .1em 0 .28em;
  font-size: clamp(46px, 10vw, 96px);
  line-height: .94;
  letter-spacing: -0.01em;
  transform: skewX(-4deg);
  transform-origin: left bottom;
}

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

.page-products .dl-index li {
  border-bottom: 1px solid var(--pp-line);
}

.page-products .dl-index a {
  display: flex;
  align-items: baseline;
  gap: 14px;
  padding: 13px 4px;
  color: var(--text-dim);
  font-size: 15px;
  text-decoration: none;
  transition: color .25s var(--ease), padding-left .25s var(--ease), background .25s var(--ease);
}

.page-products .dl-index a:hover,
.page-products .dl-index a:focus-visible {
  color: var(--text);
  padding-left: 12px;
  background: rgba(255, 106, 0, .08);
}

.page-products .dl-index__num {
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: .08em;
  color: var(--orange);
}

/* ---------- 版本矩阵 ---------- */
.page-products .matrix {
  display: grid;
  gap: 1px;
  margin-top: clamp(26px, 4vw, 44px);
  background: var(--pp-line);
  border: 1px solid var(--pp-line);
}

.page-products .tile {
  position: relative;
  display: flex;
  flex-direction: column;
  gap: 10px;
  padding: var(--pp-pad);
  background: var(--ink-1);
  cursor: pointer;
  transition: opacity .3s var(--ease), filter .3s var(--ease), background .3s var(--ease), box-shadow .3s var(--ease);
}

.page-products .tile__pick {
  position: absolute;
  top: 16px;
  right: 16px;
  width: 1px;
  height: 1px;
  opacity: 0;
}

.page-products .tile__corner {
  position: absolute;
  top: 0;
  right: 0;
  width: 46px;
  height: 46px;
  background: var(--orange);
  clip-path: polygon(100% 0, 100% 100%, 0 0);
  opacity: 0;
  transition: opacity .25s var(--ease);
}

.page-products .tile__name {
  margin: 0;
  font-family: var(--font-display);
  font-weight: 800;
  font-size: clamp(20px, 2.4vw, 26px);
  letter-spacing: -0.01em;
  color: var(--text);
}

.page-products .tile__meta {
  font-family: var(--font-mono);
  font-size: 13px;
  line-height: 1.7;
  color: var(--orange);
  letter-spacing: .01em;
}

.page-products .tile__text {
  font-size: 15px;
  line-height: 1.75;
  color: var(--text-dim);
}

.page-products .tile:hover {
  background: var(--ink-0);
}

.page-products .tile:has(.tile__pick:focus-visible) {
  outline: 2px solid var(--neon);
  outline-offset: -2px;
}

.page-products .tile:has(.tile__pick:checked) {
  background: var(--ink-0);
  box-shadow: inset 0 0 0 2px var(--neon);
}

.page-products .tile:has(.tile__pick:checked) .tile__corner {
  opacity: 1;
}

.page-products .matrix:has(.tile__pick:checked) .tile:not(:has(.tile__pick:checked)) {
  opacity: .45;
  filter: saturate(.35);
}

.page-products .tile--web .tile__name {
  font-size: clamp(24px, 3vw, 34px);
}

.page-products .tile--web .tile__text {
  max-width: 54ch;
  font-size: 16px;
}

.page-products .dl-hint {
  margin-top: 18px;
  font-size: 14px;
  color: var(--text-dim);
}

/* ---------- 安装步骤 ---------- */
.page-products .install-line {
  display: block;
  width: 100%;
  max-width: 720px;
  height: auto;
  margin: clamp(24px, 4vw, 40px) 0 clamp(18px, 3vw, 28px);
}

.page-products .dl-steps {
  border: 1px solid var(--pp-line);
  background: var(--ink-1);
  margin-top: 12px;
}

.page-products .dl-steps:first-of-type {
  margin-top: clamp(22px, 3vw, 32px);
}

.page-products .dl-steps__summary {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 18px;
  padding: 18px var(--pp-pad);
  font-family: var(--font-editorial);
  font-size: 18px;
  color: var(--text);
  cursor: pointer;
  list-style: none;
}

.page-products .dl-steps__summary::-webkit-details-marker {
  display: none;
}

.page-products .dl-steps__summary::after {
  content: "＋";
  font-family: var(--font-mono);
  font-size: 18px;
  color: var(--orange);
}

.page-products .dl-steps[open] .dl-steps__summary::after {
  content: "－";
}

.page-products .dl-steps[open] {
  box-shadow: inset 3px 0 0 var(--orange);
}

.page-products .dl-steps__body {
  padding: 6px var(--pp-pad) 22px;
  border-top: 1px solid var(--pp-line);
}

.page-products .dl-steps__body .step-list {
  margin-top: 18px;
}

/* ---------- 浅色阅读区 ---------- */
.page-products .paper-seam {
  height: 42px;
  background: repeating-linear-gradient(105deg, var(--orange) 0 16px, var(--orange-deep) 16px 32px);
  clip-path: polygon(0 0, 100% 0, 100% calc(100% - 18px), 0 100%);
  margin-bottom: -1px;
}

.page-products .env-section {
  background: var(--paper);
  color: var(--paper-ink);
}

.page-products .env-section .eyebrow,
.page-products .env-section .lede,
.page-products .env-follow {
  color: var(--paper-dim);
}

.page-products .env-section h2 {
  color: var(--paper-ink);
}

.page-products .env-figure {
  margin-top: clamp(24px, 4vw, 36px);
}

.page-products .media-frame img {
  display: block;
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.page-products .media-frame--band {
  aspect-ratio: 16 / 5;
  margin-top: clamp(24px, 4vw, 40px);
}

.page-products .env-table__wrap {
  margin-top: clamp(22px, 3vw, 32px);
  overflow-x: auto;
  -webkit-overflow-scrolling: touch;
}

.page-products .env-table {
  width: 100%;
  min-width: 640px;
  border-collapse: collapse;
  font-size: 15px;
}

.page-products .env-table__caption {
  padding: 0 0 14px;
  text-align: left;
  font-size: 13px;
  color: var(--paper-dim);
}

.page-products .env-table thead th {
  padding: 12px 16px;
  text-align: left;
  font-family: var(--font-editorial);
  font-size: 15px;
  letter-spacing: .04em;
  color: var(--paper-ink);
  border-bottom: 2px solid rgba(25, 27, 34, .35);
}

.page-products .env-table tbody th,
.page-products .env-table tbody td {
  padding: 16px;
  text-align: left;
  vertical-align: top;
  font-weight: 400;
  line-height: 1.7;
  border-bottom: 1px solid rgba(25, 27, 34, .16);
}

.page-products .env-table tbody th {
  font-family: var(--font-editorial);
  font-size: 16px;
  white-space: nowrap;
}

.page-products .env-table tbody td {
  color: var(--paper-dim);
}

.page-products .env-table tbody tr {
  transition: background .2s var(--ease);
}

.page-products .env-table tbody tr:hover {
  background: rgba(255, 106, 0, .12);
}

.page-products .env-val {
  font-family: var(--font-mono);
  font-size: 13.5px;
  color: var(--paper-ink);
}

.page-products .env-follow {
  margin-top: clamp(22px, 3vw, 30px);
  font-size: 15px;
  line-height: 1.8;
}

.page-products .env-follow a {
  color: var(--orange-deep);
  text-decoration: underline;
  text-underline-offset: 3px;
}

/* ---------- 更新节奏 ---------- */
.page-products .cadence-list {
  list-style: none;
  margin: clamp(24px, 4vw, 40px) 0 0;
  padding: 0;
  border-top: 1px solid var(--pp-line);
}

.page-products .cadence-list__item {
  display: grid;
  gap: 8px;
  padding: 20px 0;
  border-bottom: 1px solid var(--pp-line);
}

.page-products .cadence-list__when {
  font-family: var(--font-editorial);
  font-size: 17px;
  color: var(--orange);
}

.page-products .cadence-list__what {
  font-size: 15px;
  line-height: 1.8;
  color: var(--text-dim);
}

/* ---------- 常见卡点 ---------- */
.page-products .blocker-list {
  display: grid;
  gap: 1px;
  margin-top: clamp(24px, 4vw, 40px);
  background: var(--pp-line);
  border: 1px solid var(--pp-line);
}

.page-products .blocker {
  position: relative;
  padding: var(--pp-pad);
  padding-left: clamp(20px, 3vw, 32px);
  background: var(--ink-0);
}

.page-products .blocker .figure-num {
  font-size: 64px;
  line-height: 1;
  opacity: .55;
}

.page-products .blocker__title {
  margin: 10px 0 8px;
  font-size: clamp(18px, 2.2vw, 22px);
  font-weight: 800;
  color: var(--text);
}

.page-products .blocker__text {
  font-size: 15px;
  line-height: 1.8;
  color: var(--text-dim);
}

.page-products .blocker__text a {
  color: var(--neon);
  text-decoration: underline;
  text-underline-offset: 3px;
}

/* ---------- 安全下载 ---------- */
.page-products .safety {
  position: relative;
  background: linear-gradient(160deg, var(--ink-0) 0%, var(--ink-1) 62%, var(--violet-deep) 100%);
}

.page-products .safety-grid {
  display: grid;
  gap: clamp(26px, 4vw, 48px);
  margin-top: clamp(22px, 3vw, 32px);
}

.page-products .safety-grid__text {
  display: flex;
  flex-direction: column;
  gap: 18px;
  align-items: flex-start;
}

.page-products .copy-field {
  width: 100%;
  max-width: 420px;
  display: flex;
  align-items: center;
  gap: 14px;
  flex-wrap: wrap;
}

.page-products .safety-note {
  font-size: 14px;
  line-height: 1.8;
  color: var(--text-dim);
}

.page-products .safety-note a {
  color: var(--neon);
  text-decoration: underline;
  text-underline-offset: 3px;
}

.page-products .dl-verify {
  display: inline-flex;
  align-items: center;
  gap: 12px;
  padding: 14px 18px;
  border: 1px solid var(--pp-line);
  cursor: pointer;
  transition: border-color .25s var(--ease), box-shadow .25s var(--ease);
}

.page-products .dl-verify__box {
  width: 18px;
  height: 18px;
  accent-color: var(--neon);
  flex: none;
}

.page-products .dl-verify__text {
  font-size: 14px;
  color: var(--text-dim);
  transition: color .25s var(--ease);
}

.page-products .dl-verify:has(.dl-verify__box:checked) {
  border-color: var(--neon);
  box-shadow: inset 0 0 0 1px var(--neon);
}

.page-products .dl-verify:has(.dl-verify__box:checked) .dl-verify__text {
  color: var(--text);
}

.page-products .dl-verify:has(.dl-verify__box:focus-visible) {
  outline: 2px solid var(--neon);
  outline-offset: 2px;
}

.page-products .safety-grid__figure {
  margin: 0;
}

/* ---------- 响应式 ---------- */
@media (min-width: 640px) {
  .page-products .cadence-list__item {
    grid-template-columns: minmax(0, 220px) minmax(0, 1fr);
    gap: 24px;
    align-items: start;
  }
}

@media (min-width: 900px) {
  .page-products .dl-hero__grid {
    grid-template-columns: minmax(0, 1.35fr) minmax(0, .85fr);
    align-items: end;
  }

  .page-products .safety-grid {
    grid-template-columns: minmax(0, 1.15fr) minmax(0, .85fr);
    align-items: start;
  }

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

@media (min-width: 980px) {
  .page-products .matrix {
    grid-template-columns: repeat(12, minmax(0, 1fr));
  }

  .page-products .tile--win {
    grid-column: 1 / 6;
  }

  .page-products .tile--android {
    grid-column: 6 / 10;
  }

  .page-products .tile--ios {
    grid-column: 10 / 13;
  }

  .page-products .tile--web {
    grid-column: 4 / 13;
    min-height: 240px;
    justify-content: center;
  }
}

@media (max-width: 500px) {
  .page-products .dl-steps__summary {
    font-size: 16px;
  }

  .page-products .blocker .figure-num {
    font-size: 52px;
  }
}