/* ===== 下载中心 /download/ ===== */
.page-products {
  display: block;
  overflow-x: clip;
  padding-bottom: clamp(40px, 6vw, 88px);
  background:
    radial-gradient(1000px 520px at 92% -6%, rgba(23, 195, 230, .14), transparent 62%),
    radial-gradient(780px 480px at 0% 5%, rgba(225, 29, 46, .10), transparent 58%),
    var(--ink-900);
  color: var(--text);
}

/* ---------- 首屏 ---------- */
.page-products .dl-hero {
  position: relative;
  overflow: hidden;
  padding: clamp(20px, 3.4vw, 42px) 0 clamp(26px, 4vw, 50px);
}

.page-products .dl-hero::before {
  content: "";
  position: absolute;
  top: -18%;
  right: -8%;
  width: min(680px, 74vw);
  height: min(420px, 52vw);
  background: var(--grad-cool);
  opacity: .13;
  clip-path: polygon(24% 0, 100% 0, 76% 100%, 0 100%);
  transform: rotate(-6deg);
  pointer-events: none;
}

.page-products .dl-hero::after {
  content: "";
  position: absolute;
  left: -8%;
  right: -8%;
  bottom: 6%;
  height: 1px;
  background: linear-gradient(90deg, transparent, rgba(195, 206, 219, .26) 18%, rgba(23, 195, 230, .5) 54%, transparent 88%);
  transform: rotate(-1.6deg);
  pointer-events: none;
}

.page-products .dl-hero__grid {
  position: relative;
  z-index: 1;
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: clamp(22px, 3vw, 40px);
}

.page-products .dl-hero__kicker {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  margin: 0 0 14px;
  font-size: 12px;
  letter-spacing: .2em;
  color: var(--cyan);
}

.page-products .dl-hero__kicker::before {
  content: "";
  width: 26px;
  height: 2px;
  background: var(--grad-cool);
}

.page-products .dl-hero__title {
  margin: 0;
  font-size: clamp(34px, 6.6vw, 62px);
  line-height: 1.04;
  font-weight: 900;
  letter-spacing: -.02em;
  color: var(--text-strong);
}

.page-products .dl-hero__title-mark {
  display: block;
  background: var(--grad-cool);
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
  color: transparent;
}

.page-products .dl-hero__lede {
  max-width: 36em;
  margin: clamp(16px, 2.2vw, 24px) 0 0;
  font-size: 16px;
  line-height: 1.8;
  color: var(--text);
}

.page-products .dl-hero__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: clamp(20px, 2.6vw, 30px);
}

.page-products .dl-hero__aside {
  display: flex;
  flex-direction: column;
  gap: 12px;
  padding-top: 18px;
  border-top: 1px solid var(--line);
}

.page-products .dl-hero__note {
  margin: 0;
  font-size: 14px;
  line-height: 1.8;
  color: var(--text-dim);
}

.page-products .dl-scroll {
  list-style: none;
  display: grid;
  gap: 9px;
  margin: 4px 0 0;
  padding: 0;
}

.page-products .dl-scroll li {
  display: flex;
  align-items: center;
  gap: 12px;
  padding-bottom: 8px;
  font-size: 13px;
  color: var(--text-dim);
  border-bottom: 1px dashed var(--line-soft);
}

.page-products .dl-scroll .mono {
  font-size: 12px;
  letter-spacing: .1em;
  color: var(--cyan);
}

/* ---------- 章节通用 ---------- */
.page-products .dl-section {
  padding-top: clamp(40px, 5.4vw, 78px);
}

.page-products .section-head {
  margin-bottom: clamp(20px, 2.8vw, 32px);
}

.page-products .dl-copy {
  margin: 0 0 18px;
  max-width: 44em;
  font-size: 16px;
  line-height: 1.85;
  color: var(--text);
}

.page-products .dl-copy--tight {
  margin-top: 18px;
  margin-bottom: 0;
  font-size: 15px;
  color: var(--text-dim);
}

/* ---------- 下载选择 ---------- */
.page-products .dl-picker {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: clamp(14px, 1.8vw, 20px);
  margin-top: clamp(20px, 2.6vw, 30px);
}

.page-products .dl-pick {
  display: flex;
  flex-direction: column;
  gap: 14px;
  padding: clamp(20px, 2.4vw, 26px);
  background: var(--panel);
  clip-path: var(--cut-path);
  transition: background .35s var(--ease), transform .35s var(--ease);
}

.page-products .dl-pick:hover,
.page-products .dl-pick:focus-within {
  transform: translateY(-3px);
  background: linear-gradient(150deg, rgba(23, 195, 230, .17) 0%, var(--panel) 48%);
}

.page-products .dl-pick--warm:hover,
.page-products .dl-pick--warm:focus-within {
  background: linear-gradient(150deg, rgba(255, 176, 32, .18) 0%, var(--panel) 48%);
}

.page-products .dl-pick__tag {
  margin: 0;
}

.page-products .dl-pick__name {
  margin: 0;
  font-size: clamp(20px, 2.4vw, 26px);
  font-weight: 800;
  letter-spacing: -.01em;
  color: var(--text-strong);
}

.page-products .dl-pick__desc {
  margin: 0;
  font-size: 14.5px;
  line-height: 1.78;
  color: var(--text-dim);
}

.page-products .dl-pick__facts {
  list-style: none;
  display: grid;
  gap: 9px;
  margin: auto 0 0;
  padding: 14px 0 0;
  border-top: 1px solid var(--line);
}

.page-products .dl-pick__facts li {
  display: flex;
  justify-content: space-between;
  gap: 12px;
  font-size: 12.5px;
  color: var(--text-dim);
}

.page-products .dl-pick__facts .mono {
  font-size: 12.5px;
  color: var(--text);
  text-align: right;
}

/* ---------- 截图 ---------- */
.page-products .dl-shot {
  margin: clamp(24px, 3.2vw, 40px) 0 0;
  padding: clamp(8px, 1vw, 12px);
  background: var(--panel);
  clip-path: var(--cut-path);
}

.page-products .dl-shot img {
  display: block;
  width: 100%;
  height: auto;
  object-fit: cover;
}

.page-products .dl-shot figcaption {
  margin-top: 12px;
  padding: 0 4px 4px;
  font-size: 12.5px;
  line-height: 1.7;
  color: var(--text-dim);
}

/* ---------- 左右分栏 ---------- */
.page-products .dl-split {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: clamp(20px, 3vw, 36px);
}

.page-products .dl-path {
  list-style: none;
  display: grid;
  gap: 10px;
  margin: 22px 0 0;
  padding: 0;
}

.page-products .dl-path li {
  position: relative;
  padding-left: 18px;
  font-size: 14.5px;
  line-height: 1.75;
  color: var(--text-dim);
}

.page-products .dl-path li::before {
  content: "";
  position: absolute;
  left: 0;
  top: .72em;
  width: 9px;
  height: 1px;
  background: var(--cyan);
}

.page-products .dl-railcard {
  padding: clamp(18px, 2.2vw, 24px);
  background: var(--panel-2);
  clip-path: var(--cut-path);
}

.page-products .dl-railcard__cap {
  margin: 0 0 14px;
  font-size: 12px;
  letter-spacing: .16em;
  color: var(--text-dim);
}

.page-products .dl-railcard ul {
  list-style: none;
  display: grid;
  gap: 8px;
  margin: 0;
  padding: 0;
}

.page-products .dl-railcard li {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 12px 14px;
  font-size: 14px;
  color: var(--text-dim);
  background: rgba(35, 44, 56, .38);
  clip-path: var(--cut-path-sm);
}

.page-products .dl-railcard li.is-on {
  color: var(--text-strong);
  background: linear-gradient(100deg, rgba(225, 29, 46, .30), rgba(23, 195, 230, .14));
  box-shadow: inset 0 0 0 1px rgba(225, 29, 46, .5);
}

.page-products .dl-railcard li .mono {
  font-size: 12px;
  color: var(--cyan);
}

.page-products .dl-railcard__foot {
  margin: 16px 0 0;
  font-size: 12.5px;
  line-height: 1.7;
  color: var(--text-dim);
}

/* ---------- 手机端对照 ---------- */
.page-products .dl-compare {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: clamp(20px, 2.6vw, 30px);
}

.page-products .dl-phone {
  margin: 0;
  padding: 10px;
  background: var(--panel);
  clip-path: var(--cut-path);
  max-width: 320px;
}

.page-products .dl-phone img {
  display: block;
  width: 100%;
  height: auto;
}

.page-products .dl-phone figcaption {
  margin-top: 10px;
  padding: 0 4px 4px;
  font-size: 12.5px;
  line-height: 1.7;
  color: var(--text-dim);
}

/* ---------- 表格 ---------- */
.page-products .dl-table-wrap {
  overflow-x: auto;
  -webkit-overflow-scrolling: touch;
  border: 1px solid var(--line);
  clip-path: var(--cut-path-sm);
}

.page-products .dl-table {
  width: 100%;
  min-width: 480px;
  border-collapse: collapse;
  font-size: 14px;
}

.page-products .dl-table caption {
  padding: 14px 16px 0;
  text-align: left;
  font-size: 12.5px;
  letter-spacing: .08em;
  color: var(--text-dim);
}

.page-products .dl-table thead th {
  padding: 12px 16px;
  text-align: left;
  font-size: 12.5px;
  font-weight: 700;
  letter-spacing: .06em;
  color: var(--text-strong);
  border-bottom: 1px solid rgba(23, 195, 230, .42);
  background: rgba(23, 195, 230, .05);
}

.page-products .dl-table tbody th,
.page-products .dl-table tbody td {
  padding: 12px 16px;
  text-align: left;
  vertical-align: top;
  line-height: 1.7;
  border-bottom: 1px solid var(--line);
}

.page-products .dl-table tbody th {
  font-weight: 600;
  color: var(--text-strong);
  white-space: nowrap;
}

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

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

.page-products .dl-table--versions tbody th .mono {
  font-size: 14px;
  color: var(--cyan);
}

.page-products .dl-table--spec {
  min-width: 0;
  font-size: 13.5px;
}

.page-products .dl-table--spec caption {
  padding-top: 16px;
}

/* ---------- 安装区 ---------- */
.page-products .dl-install {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: clamp(20px, 2.6vw, 30px);
}

.page-products .dl-install__steps .accordion__trigger {
  gap: 14px;
}

.page-products .dl-step-no {
  flex: 0 0 auto;
  min-width: 2.4em;
  font-size: 12px;
  letter-spacing: .08em;
  color: var(--cyan);
}

.page-products .dl-install__side {
  display: grid;
  gap: 18px;
  align-content: start;
}

.page-products .dl-tips {
  padding: clamp(16px, 2vw, 22px);
  background: var(--panel-2);
  clip-path: var(--cut-path);
  border-left: 2px solid var(--red);
}

.page-products .dl-tips__cap {
  margin: 0 0 12px;
  font-size: 13px;
  font-weight: 700;
  letter-spacing: .06em;
  color: var(--text-strong);
}

.page-products .dl-tips ul {
  list-style: none;
  display: grid;
  gap: 10px;
  margin: 0;
  padding: 0;
}

.page-products .dl-tips li {
  font-size: 13.5px;
  line-height: 1.75;
  color: var(--text-dim);
}

.page-products .dl-tips li b {
  color: var(--text);
  font-weight: 600;
}

.page-products .dl-tips__foot {
  margin: 14px 0 0;
  font-size: 13px;
  line-height: 1.75;
  color: var(--text-dim);
}

.page-products .dl-tips__foot .link {
  color: var(--cyan);
}

/* ---------- 教程 ---------- */
.page-products .dl-tutorial {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: clamp(22px, 3vw, 34px);
}

.page-products .dl-tutorial__art {
  margin: 0;
  padding: clamp(8px, 1vw, 12px);
  background: linear-gradient(160deg, rgba(255, 176, 32, .13), transparent 46%), var(--panel);
  clip-path: var(--cut-path);
}

.page-products .dl-tutorial__art img {
  display: block;
  width: 100%;
  height: auto;
}

.page-products .dl-tutorial__art figcaption {
  margin-top: 12px;
  padding: 0 4px 4px;
  font-size: 12.5px;
  line-height: 1.7;
  color: var(--text-dim);
}

.page-products .dl-tutorial .accordion__trigger {
  gap: 14px;
}

.page-products .dl-tutorial .dl-step-no {
  color: var(--gold);
}

/* ---------- 版本记录 ---------- */
.page-products .dl-note-strip {
  margin-top: clamp(20px, 2.6vw, 28px);
  padding: clamp(16px, 2vw, 22px);
  background: linear-gradient(100deg, rgba(23, 195, 230, .10), transparent 62%), var(--panel);
  clip-path: var(--cut-path);
  border-left: 2px solid var(--cyan);
}

.page-products .dl-note-strip p {
  margin: 0;
  max-width: 44em;
  font-size: 14px;
  line-height: 1.8;
  color: var(--text-dim);
}

.page-products .dl-note-strip .link {
  color: var(--cyan);
}

/* ---------- 收尾 ---------- */
.page-products .dl-close__box {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: clamp(16px, 2.2vw, 26px);
  align-items: center;
  padding: clamp(22px, 3vw, 34px);
  background:
    radial-gradient(560px 260px at 100% 0%, rgba(225, 29, 46, .18), transparent 66%),
    var(--panel-2);
  clip-path: var(--cut-path);
}

.page-products .dl-close__text h2 {
  margin: 0 0 10px;
  font-size: clamp(20px, 2.6vw, 28px);
  font-weight: 800;
  letter-spacing: -.01em;
  color: var(--text-strong);
}

.page-products .dl-close__text p {
  margin: 0;
  max-width: 42em;
  font-size: 14.5px;
  line-height: 1.8;
  color: var(--text-dim);
}

/* ---------- 响应式 ---------- */
@media (min-width: 700px) {
  .page-products .dl-picker {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

@media (min-width: 820px) {
  .page-products .dl-compare {
    grid-template-columns: minmax(0, .58fr) minmax(0, 1fr);
    align-items: start;
  }
  .page-products .dl-install {
    grid-template-columns: minmax(0, 1.05fr) minmax(0, .95fr);
    align-items: start;
  }
  .page-products .dl-close__box {
    grid-template-columns: minmax(0, 1fr) auto;
  }
}

@media (min-width: 940px) {
  .page-products .dl-hero__grid {
    grid-template-columns: minmax(0, 1.45fr) minmax(0, .72fr);
    align-items: end;
    gap: clamp(28px, 4vw, 56px);
  }
  .page-products .dl-hero__aside {
    padding-top: 0;
    padding-left: clamp(16px, 2vw, 26px);
    border-top: 0;
    border-left: 1px solid var(--line);
  }
}

@media (min-width: 1000px) {
  .page-products .dl-split {
    grid-template-columns: minmax(0, 1.15fr) minmax(0, .85fr);
    align-items: start;
  }
  .page-products .dl-tutorial {
    grid-template-columns: minmax(0, 1.15fr) minmax(0, .85fr);
    align-items: start;
  }
}

@media (min-width: 1060px) {
  .page-products .dl-picker {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-products .dl-pick,
  .page-products .dl-pick:hover,
  .page-products .dl-pick:focus-within {
    transition: none;
    transform: none;
  }
}