/* ==========================================================================
   下载中心 · page-products
   ========================================================================== */

.page-products img {
  max-width: 100%;
  height: auto;
}

/* ---------- 首屏 ---------- */

.page-products .dl-hero {
  position: relative;
  overflow: hidden;
  padding-block: clamp(20px, 3.4vw, 34px) clamp(46px, 7vw, 92px);
}

.page-products .dl-hero::after {
  content: "";
  position: absolute;
  top: -34%;
  right: -16%;
  width: 66%;
  height: 172%;
  background: linear-gradient(158deg, rgba(200, 160, 56, 0.2), rgba(200, 160, 56, 0) 60%);
  transform: rotate(-13deg);
  pointer-events: none;
}

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

.page-products .dl-hero .crumbs,
.page-products .dl-hero .crumbs__link {
  color: rgba(246, 240, 226, 0.68);
}

.page-products .dl-hero .crumbs__link:hover {
  color: var(--gold-hi);
}

.page-products .dl-hero__grid {
  display: grid;
  gap: clamp(26px, 4vw, 46px);
  margin-top: clamp(20px, 3vw, 32px);
  align-items: center;
}

.page-products .dl-hero__title {
  margin: 14px 0 0;
  color: var(--paper);
  font-size: clamp(2rem, 5.4vw, 3.5rem);
  line-height: 1.06;
  letter-spacing: -0.01em;
  max-width: 18ch;
}

.page-products .dl-hero__lead {
  margin-top: 18px;
  max-width: 48ch;
  color: rgba(246, 240, 226, 0.84);
}

.page-products .dl-hero__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: clamp(24px, 3vw, 32px);
}

.page-products .dl-hero__shot {
  margin: 0;
  border-radius: var(--radius-l);
  overflow: hidden;
  border: 1px solid rgba(200, 160, 56, 0.42);
  box-shadow: var(--shadow-plate);
}

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

@media (min-width: 900px) {
  .page-products .dl-hero__grid {
    grid-template-columns: minmax(0, 1.06fr) minmax(0, 0.94fr);
    gap: clamp(36px, 5vw, 72px);
  }
}

/* ---------- 系统要求对照表 ---------- */

.page-products .dl-req .section-head {
  margin-bottom: clamp(22px, 3vw, 34px);
}

.page-products .dl-table-wrap {
  overflow-x: auto;
  border-radius: var(--radius-m);
  background: var(--paper);
  box-shadow: 0 16px 34px -30px rgba(8, 40, 30, 0.7);
}

.page-products .dl-table {
  width: 100%;
  min-width: 540px;
  border-collapse: collapse;
  font-variant-numeric: tabular-nums;
}

.page-products .dl-table caption {
  padding: 18px 22px 8px;
  text-align: left;
  font-family: var(--font-index);
  font-size: 12px;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--sage);
}

.page-products .dl-table th,
.page-products .dl-table td {
  padding: 14px 22px;
  text-align: left;
  font-size: 15px;
  border-bottom: 1px solid var(--gold-line);
}

.page-products .dl-table thead th {
  font-family: var(--font-index);
  font-size: 13px;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--gold-dark);
  border-bottom: 2px solid var(--gold);
}

.page-products .dl-table tbody th {
  width: 32%;
  font-weight: 500;
  color: var(--ink-green);
}

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

.page-products .dl-table tbody tr:last-child th,
.page-products .dl-table tbody tr:last-child td {
  border-bottom: none;
}

.page-products .dl-req__note {
  margin-top: 18px;
  font-size: 15px;
  line-height: 1.75;
  color: var(--ink);
}

.page-products .dl-req__note a {
  color: var(--gold-dark);
  text-decoration: underline;
  text-underline-offset: 3px;
}

/* ---------- 五级阶梯安装 ---------- */

.page-products .ladder {
  display: grid;
  gap: 10px;
  margin-top: clamp(24px, 3.6vw, 38px);
}

.page-products .ladder__step {
  background: var(--table-green-2);
  border-radius: var(--radius-m);
  border-left: 2px solid var(--gold-dark);
  overflow: hidden;
  transition: background 260ms var(--ease-flip), border-color 260ms var(--ease-flip);
}

.page-products .ladder__step[open] {
  background: var(--table-deep);
  border-left-color: var(--gold);
}

.page-products .ladder__head {
  display: grid;
  grid-template-columns: auto minmax(0, 1fr) auto;
  column-gap: 16px;
  row-gap: 4px;
  align-items: baseline;
  padding: 17px 20px;
  cursor: pointer;
  list-style: none;
}

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

.page-products .ladder__idx {
  grid-column: 1;
  grid-row: 1;
  color: var(--gold);
}

.page-products .ladder__title {
  grid-column: 2;
  grid-row: 1;
  font-family: var(--font-display);
  font-size: 1.18rem;
  line-height: 1.3;
  color: var(--paper);
}

.page-products .ladder__brief {
  grid-column: 2 / 4;
  grid-row: 2;
  font-size: 14px;
  line-height: 1.6;
  color: rgba(246, 240, 226, 0.62);
}

.page-products .ladder__head::after {
  content: "+";
  grid-column: 3;
  grid-row: 1;
  justify-self: end;
  align-self: center;
  font-family: var(--font-index);
  font-size: 20px;
  line-height: 1;
  color: var(--gold);
}

.page-products .ladder__step[open] .ladder__head::after {
  content: "−";
}

.page-products .ladder__body {
  margin: 0 20px;
  padding: 14px 0 22px;
  border-top: 1px solid rgba(200, 160, 56, 0.3);
}

.page-products .ladder__body p {
  margin: 0;
  max-width: 60ch;
  font-size: 15px;
  line-height: 1.75;
  color: rgba(246, 240, 226, 0.84);
}

.page-products .ladder__tip {
  margin-top: 12px !important;
  padding-left: 14px;
  border-left: 2px solid var(--gold);
  font-size: 14px !important;
  color: rgba(232, 206, 122, 0.92) !important;
}

.page-products .ladder__figure {
  margin: 20px 0 0;
  max-width: 520px;
  border-radius: var(--radius-s);
  overflow: hidden;
}

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

@media (min-width: 960px) {
  .page-products .ladder__step {
    min-height: 96px;
  }
  .page-products .ladder__step:nth-child(2) {
    min-height: 116px;
  }
  .page-products .ladder__step:nth-child(3) {
    min-height: 138px;
  }
  .page-products .ladder__step:nth-child(4) {
    min-height: 162px;
  }
  .page-products .ladder__step:nth-child(5) {
    min-height: 188px;
  }
}

/* ---------- 装完先做三件事 ---------- */

.page-products .first-run__grid {
  display: grid;
  gap: clamp(26px, 4vw, 52px);
  align-items: start;
}

.page-products .first-run__figure {
  margin: 0;
  border-radius: var(--radius-l);
  overflow: hidden;
  border: 1px solid var(--gold-line);
}

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

.page-products .first-run__list {
  list-style: none;
  margin: clamp(22px, 3.4vw, 34px) 0 0;
  padding: 0;
  display: grid;
  gap: 20px;
}

.page-products .first-run__item {
  display: grid;
  grid-template-columns: auto minmax(0, 1fr);
  column-gap: 16px;
  row-gap: 6px;
  padding-bottom: 20px;
  border-bottom: 1px solid var(--gold-line);
}

.page-products .first-run__item:last-child {
  padding-bottom: 0;
  border-bottom: none;
}

.page-products .first-run__num {
  grid-column: 1;
  grid-row: 1;
  align-self: center;
  color: var(--gold-dark);
}

.page-products .first-run__title {
  grid-column: 2;
  grid-row: 1;
  margin: 0;
  font-family: var(--font-display);
  font-size: 1.2rem;
  line-height: 1.35;
  color: var(--ink-green);
}

.page-products .first-run__item p {
  grid-column: 2;
  grid-row: 2;
  margin: 0;
  font-size: 15.5px;
  line-height: 1.72;
  color: var(--ink);
}

@media (min-width: 900px) {
  .page-products .first-run__grid {
    grid-template-columns: minmax(0, 0.82fr) minmax(0, 1.18fr);
  }
}

/* ---------- 规则六类 ---------- */

.page-products .rule-deck {
  display: grid;
  gap: 16px;
  margin-top: clamp(24px, 3.6vw, 38px);
  grid-template-columns: repeat(auto-fit, minmax(228px, 1fr));
}

.page-products .rule-card {
  display: grid;
  align-content: start;
  gap: 8px;
  padding: 26px 22px 24px;
  background: var(--paper);
  border-radius: var(--radius-m);
  border-top: 3px solid var(--gold);
  box-shadow: 0 16px 32px -28px rgba(8, 40, 30, 0.6);
  transition: transform 260ms var(--ease-flip), box-shadow 260ms var(--ease-flip);
}

.page-products .rule-card:hover {
  transform: translateY(-4px);
  box-shadow: 0 22px 40px -28px rgba(8, 40, 30, 0.7);
}

.page-products .rule-card__pip {
  font-size: 20px;
  line-height: 1;
  color: var(--gold);
}

.page-products .rule-card__no {
  margin: 0;
  font-family: var(--font-index);
  font-size: 12px;
  letter-spacing: 0.16em;
  color: var(--sage);
}

.page-products .rule-card__name {
  margin: 0;
  font-family: var(--font-display);
  font-size: 1.28rem;
  line-height: 1.3;
  color: var(--ink-green);
}

.page-products .rule-card__desc {
  margin: 0;
  font-size: 15px;
  line-height: 1.7;
  color: var(--ink);
}

.page-products .rules-shot {
  margin: clamp(30px, 4vw, 44px) 0 0;
}

/* ---------- 版本记录 ---------- */

.page-products .v-track {
  list-style: none;
  margin: clamp(26px, 3.8vw, 42px) 0 0;
  padding: 0;
  display: grid;
  gap: 0;
}

.page-products .v-node {
  position: relative;
  padding: 0 0 30px 30px;
  border-left: 1px solid rgba(200, 160, 56, 0.4);
}

.page-products .v-node:last-child {
  padding-bottom: 0;
  border-left-color: transparent;
}

.page-products .v-node__dot {
  position: absolute;
  left: -5px;
  top: 6px;
  width: 9px;
  height: 9px;
  border-radius: 50%;
  background: var(--gold);
  box-shadow: 0 0 0 4px rgba(200, 160, 56, 0.16);
}

.page-products .v-node__no {
  margin: 0;
  font-family: var(--font-index);
  font-size: 24px;
  letter-spacing: 0.06em;
  line-height: 1;
  color: var(--gold);
  font-variant-numeric: tabular-nums;
}

.page-products .v-node__title {
  margin: 8px 0 0;
  font-family: var(--font-display);
  font-size: 1.1rem;
  line-height: 1.35;
  color: var(--paper);
}

.page-products .v-node__desc {
  margin: 6px 0 0;
  max-width: 34ch;
  font-size: 14.5px;
  line-height: 1.7;
  color: rgba(246, 240, 226, 0.74);
}

.page-products .v-shot {
  margin: clamp(30px, 4vw, 46px) 0 0;
}

.page-products .dl-versions__note {
  margin-top: 20px;
  font-size: 15px;
  line-height: 1.75;
  color: rgba(246, 240, 226, 0.74);
}

.page-products .dl-versions__note a {
  color: var(--gold-hi);
  text-decoration: underline;
  text-underline-offset: 3px;
}

@media (min-width: 820px) {
  .page-products .v-track {
    grid-template-columns: repeat(4, minmax(0, 1fr));
    column-gap: 24px;
    border-top: 1px solid rgba(200, 160, 56, 0.4);
  }

  .page-products .v-node {
    padding: 30px 0 0;
    border-left: none;
  }

  .page-products .v-node:last-child {
    padding-bottom: 0;
  }

  .page-products .v-node__dot {
    left: 0;
    top: -5px;
  }

  .page-products .v-node__desc {
    max-width: none;
  }
}

/* ---------- 故障排查 ---------- */

.page-products .fix-list {
  list-style: none;
  margin: clamp(24px, 3.6vw, 38px) 0 0;
  padding: 0;
  display: grid;
  border-top: 1px solid var(--gold-line);
}

.page-products .fix-list__item {
  display: grid;
  gap: 6px;
  padding: 18px 0;
  border-bottom: 1px solid var(--gold-line);
}

.page-products .fix-list__q {
  margin: 0;
  font-family: var(--font-display);
  font-size: 1.08rem;
  line-height: 1.4;
  color: var(--ink-green);
}

.page-products .fix-list__a {
  margin: 0;
  font-size: 15px;
  line-height: 1.72;
  color: var(--ink);
}

.page-products .dl-fix__more {
  margin-top: 22px;
  font-size: 15px;
  line-height: 1.78;
  color: var(--ink);
}

.page-products .dl-fix__more a {
  color: var(--gold-dark);
  text-decoration: underline;
  text-underline-offset: 3px;
}

@media (min-width: 860px) {
  .page-products .fix-list__item {
    grid-template-columns: minmax(0, 0.4fr) minmax(0, 0.6fr);
    column-gap: 32px;
    align-items: baseline;
    padding: 20px 0;
  }
}

/* ---------- 下载与卸载 ---------- */

.page-products .dl-pack__list {
  display: grid;
  gap: 24px;
  margin-top: clamp(22px, 3.4vw, 34px);
}

.page-products .dl-pack__item {
  padding-bottom: 24px;
  border-bottom: 1px solid var(--gold-line);
}

.page-products .dl-pack__item:last-child {
  padding-bottom: 0;
  border-bottom: none;
}

.page-products .dl-pack__item h3 {
  margin: 0 0 8px;
  font-family: var(--font-display);
  font-size: 1.16rem;
  line-height: 1.35;
  color: var(--ink-green);
}

.page-products .dl-pack__item p {
  margin: 0;
  font-size: 15.5px;
  line-height: 1.78;
  color: var(--ink);
}

.page-products .dl-pack__cta {
  margin-top: 28px;
  font-size: 15.5px;
  line-height: 1.78;
  color: var(--ink);
}

.page-products .dl-pack__cta a {
  color: var(--gold-dark);
  text-decoration: underline;
  text-underline-offset: 3px;
}

/* ---------- 动效降级 ---------- */

@media (prefers-reduced-motion: reduce) {
  .page-products *,
  .page-products *::before,
  .page-products *::after {
    transition: none !important;
    animation: none !important;
  }

  .page-products .rule-card:hover {
    transform: none;
  }
}