/* ===== 下载与收藏页 · 页面专属样式（作用域：.page-products） ===== */

.page-products {
  --cmp-head: 3px;
}

/* ---- 首屏快捷锚点 ---- */
.page-products .quick-links {
  list-style: none;
  margin: 22px 0 0;
  padding: 0;
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
}

.page-products .quick-links a {
  display: inline-block;
  padding: 8px 15px;
  border: 2px solid var(--red);
  background: var(--paper);
  color: var(--red);
  font-weight: 700;
  font-size: 14px;
  letter-spacing: 0.04em;
  text-decoration: none;
  transition: background var(--dur) var(--ease), color var(--dur) var(--ease), transform var(--dur) var(--ease);
}

.page-products .quick-links a:hover,
.page-products .quick-links a:focus-visible {
  background: var(--gold-light);
  color: var(--red-dark);
  transform: translateY(-2px);
}

.page-products .quick-links a:focus-visible {
  outline: 2px solid var(--orange);
  outline-offset: 2px;
}

/* ---- 通用 ---- */
.page-products .side-note {
  margin: 0;
  max-width: 15em;
  font-size: 12px;
  line-height: 1.8;
  letter-spacing: 0.14em;
  color: var(--mist);
}

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

.page-products .headline {
  margin: 6px 0 0;
}

/* ---- 一 · 两版对照牌 ---- */
.page-products .cmp {
  margin-top: 28px;
  border: var(--line) solid var(--red);
  background: var(--paper);
  box-shadow: var(--shadow);
}

.page-products .cmp__row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  border-bottom: 2px solid var(--red);
}

.page-products .cmp__row:last-child {
  border-bottom: 0;
}

.page-products .cmp__row--head {
  display: none;
}

.page-products .cmp__dim {
  grid-column: 1 / -1;
  background: var(--red);
  color: var(--cream);
  padding: 7px 14px;
  font-size: 12px;
  font-weight: 700;
  letter-spacing: 0.22em;
}

.page-products .cmp__cell {
  padding: 14px;
  font-size: 15px;
  line-height: 1.72;
  color: var(--ink);
  transition: background var(--dur) var(--ease);
}

.page-products .cmp__cell--b {
  border-left: var(--cmp-head) solid var(--red);
}

.page-products .cmp__cell--a::before,
.page-products .cmp__cell--b::before {
  display: block;
  margin-bottom: 6px;
  font-family: var(--font-num);
  font-weight: 800;
  font-size: 11px;
  letter-spacing: 0.2em;
  color: var(--red);
}

.page-products .cmp__cell--a::before {
  content: "标准版";
}

.page-products .cmp__cell--b::before {
  content: "轻量版";
}

.page-products .cmp__cell--head::before {
  display: none;
}

@media (min-width: 860px) {
  .page-products .cmp__row {
    grid-template-columns: 9em 1fr 1fr;
  }

  .page-products .cmp__row--head {
    display: grid;
    background: var(--cream);
  }

  .page-products .cmp__row--head .cmp__dim {
    background: transparent;
    color: var(--mist);
  }

  .page-products .cmp__row--head .cmp__cell {
    font-family: var(--font-num);
    font-weight: 800;
    font-size: 13px;
    letter-spacing: 0.16em;
    color: var(--red);
  }

  .page-products .cmp__dim {
    grid-column: auto;
    background: transparent;
    color: var(--mist);
    border-right: 2px solid var(--mist);
    padding: 16px 14px;
    font-family: var(--font-num);
    font-size: 12px;
    letter-spacing: 0.12em;
  }

  .page-products .cmp__cell {
    padding: 16px 18px;
  }

  .page-products .cmp__cell--a::before,
  .page-products .cmp__cell--b::before {
    display: none;
  }

  .page-products .cmp__row:not(.cmp__row--head):hover .cmp__cell,
  .page-products .cmp__row:not(.cmp__row--head):focus-within .cmp__cell {
    background: var(--gold-light);
  }
}

/* ---- 二 · 四步收藏 ---- */
.page-products .steps {
  list-style: none;
  margin: 30px 0 0;
  padding: 0;
  display: grid;
  gap: 14px;
}

.page-products .steps__item {
  display: grid;
  grid-template-columns: auto 1fr;
  gap: 14px;
  align-items: start;
  padding: 16px;
  border: var(--line) solid var(--ink);
  background: var(--paper);
  box-shadow: var(--shadow);
  transition: transform var(--dur) var(--ease), box-shadow var(--dur) var(--ease);
}

.page-products .steps__item:hover {
  transform: translateY(-3px);
  box-shadow: var(--shadow-hover);
}

.page-products .steps__num {
  font-family: var(--font-num);
  font-weight: 800;
  font-size: 30px;
  line-height: 1;
  letter-spacing: -0.02em;
  color: var(--red);
}

.page-products .steps__panel {
  border: 0;
  background: transparent;
  box-shadow: none;
  padding: 0;
  margin: 0;
}

.page-products .steps__title {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 19px;
  line-height: 1.4;
  color: var(--ink);
  cursor: pointer;
}

.page-products .steps__panel .details-panel__body p {
  margin: 10px 0 0;
  font-size: 15px;
  line-height: 1.75;
  color: var(--mist);
}

/* ---- 三 · 回到入口 ---- */
.page-products .band--red .headline,
.page-products .band--red .island-copy p {
  color: var(--cream);
}

.page-products .band--red .eyebrow {
  color: var(--gold-light);
}

.page-products .island-copy .headline {
  margin-bottom: 14px;
}

.page-products .island-copy p {
  max-width: 34em;
  font-size: 16px;
  line-height: 1.75;
}

.page-products .two-step {
  list-style: none;
  margin: 22px 0 18px;
  padding: 0;
  display: grid;
  gap: 4px;
}

.page-products .two-step li {
  display: grid;
  grid-template-columns: 2.4em 1fr;
  gap: 12px;
  align-items: start;
  padding: 13px 0;
  border-top: 2px solid rgba(246, 241, 231, 0.34);
  font-size: 15px;
  line-height: 1.7;
}

.page-products .two-step__num {
  font-family: var(--font-num);
  font-weight: 800;
  font-size: 22px;
  line-height: 1.2;
  color: var(--gold);
}

.page-products .island-board {
  margin-top: 26px;
  padding: 18px 18px 16px;
  background: var(--paper);
  border: var(--line) solid var(--gold);
  box-shadow: var(--shadow);
}

.page-products .island-board__label {
  margin: 0 0 12px;
  font-family: var(--font-num);
  font-weight: 800;
  font-size: 12px;
  letter-spacing: 0.2em;
  color: var(--red);
}

.page-products .island-board__list {
  list-style: none;
  margin: 0;
  padding: 0;
}

.page-products .island-board__list li {
  display: flex;
  gap: 12px;
  align-items: baseline;
  padding: 10px 0;
  border-bottom: 2px solid var(--cream);
  font-size: 15px;
  color: var(--ink);
}

.page-products .island-board__list li:last-child {
  border-bottom: 0;
}

.page-products .island-board__list li span {
  font-family: var(--font-num);
  font-weight: 800;
  font-size: 13px;
  letter-spacing: 0.06em;
  color: var(--gold);
}

.page-products .island-board__note {
  margin: 12px 0 0;
  font-size: 12px;
  line-height: 1.75;
  color: var(--mist);
}

/* ---- 四 · 设备对照表 ---- */
.page-products .table-wrap {
  margin-top: 28px;
  border: var(--line) solid var(--red);
  background: var(--paper);
  box-shadow: var(--shadow);
}

.page-products .dev-table {
  display: block;
  width: 100%;
  border-collapse: collapse;
  font-size: 15px;
}

.page-products .dev-table thead {
  position: absolute;
  width: 1px;
  height: 1px;
  overflow: hidden;
  clip: rect(0 0 0 0);
  white-space: nowrap;
}

.page-products .dev-table tbody,
.page-products .dev-table tr,
.page-products .dev-table th,
.page-products .dev-table td {
  display: block;
  width: 100%;
}

.page-products .dev-table tr {
  padding: 14px;
  border-bottom: 2px solid var(--mist);
}

.page-products .dev-table tr:last-child {
  border-bottom: 0;
}

.page-products .dev-table th[scope="row"] {
  padding: 0 0 8px;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 17px;
  letter-spacing: 0.02em;
  color: var(--red);
  text-align: left;
}

.page-products .dev-table td {
  display: grid;
  grid-template-columns: 6.2em 1fr;
  gap: 10px;
  padding: 5px 0;
  color: var(--ink);
  line-height: 1.7;
}

.page-products .dev-table td::before {
  content: attr(data-label);
  font-family: var(--font-num);
  font-weight: 700;
  font-size: 12px;
  letter-spacing: 0.12em;
  color: var(--mist);
}

@media (min-width: 760px) {
  .page-products .dev-table {
    display: table;
    table-layout: fixed;
  }

  .page-products .dev-table thead {
    display: table-header-group;
    position: static;
    width: auto;
    height: auto;
    clip: auto;
    overflow: visible;
    background: var(--red);
  }

  .page-products .dev-table thead th {
    display: table-cell;
    width: auto;
    padding: 12px 16px;
    font-family: var(--font-num);
    font-weight: 800;
    font-size: 12px;
    letter-spacing: 0.16em;
    color: var(--cream);
    text-align: left;
  }

  .page-products .dev-table tbody {
    display: table-row-group;
  }

  .page-products .dev-table tr {
    display: table-row;
    padding: 0;
    border-bottom: 2px solid var(--mist);
  }

  .page-products .dev-table tbody tr:nth-child(odd) {
    background: var(--cream);
  }

  .page-products .dev-table th[scope="row"],
  .page-products .dev-table td {
    display: table-cell;
    width: auto;
    padding: 13px 16px;
    font-family: var(--font-body);
    font-weight: 500;
    font-size: 15px;
    line-height: 1.7;
    color: var(--ink);
    vertical-align: top;
    border: 0;
    text-align: left;
  }

  .page-products .dev-table th[scope="row"] {
    font-weight: 700;
    color: var(--red-dark);
  }

  .page-products .dev-table td::before {
    display: none;
  }
}

/* ---- 五 · 收藏失败排查 ---- */
.page-products .check-list {
  list-style: none;
  counter-reset: chk;
  margin: 24px 0 0;
  padding: 0;
}

.page-products .check-list li {
  counter-increment: chk;
  display: grid;
  grid-template-columns: 2.6em 1fr;
  gap: 10px;
  align-items: start;
  padding: 13px 0;
  border-top: 2px solid var(--mist);
  font-size: 15px;
  line-height: 1.7;
  color: var(--ink);
}

.page-products .check-list li:last-child {
  border-bottom: 2px solid var(--mist);
}

.page-products .check-list li::before {
  content: "0" counter(chk);
  font-family: var(--font-num);
  font-weight: 800;
  font-size: 15px;
  letter-spacing: 0.06em;
  color: var(--red);
}

.page-products .band .prose {
  margin-top: 14px;
}

/* ---- 六 · 版本阶梯 ---- */
.page-products .band--dark .headline {
  color: var(--cream);
}

.page-products .band--dark .eyebrow {
  color: var(--gold);
}

.page-products .band--dark .side-note {
  color: var(--gold-light);
}

.page-products .ladder {
  list-style: none;
  margin: 28px 0 0;
  padding: 0;
}

.page-products .ladder__step {
  padding: 14px 16px;
  margin-bottom: 10px;
  border-left: var(--line) solid var(--gold);
  background: rgba(246, 241, 231, 0.07);
  color: var(--cream);
}

.page-products .ladder__step:nth-child(2) {
  margin-left: 12px;
}

.page-products .ladder__step:nth-child(3) {
  margin-left: 24px;
}

.page-products .ladder__step:nth-child(4) {
  margin-left: 36px;
}

.page-products .ladder__step:nth-child(5) {
  margin-left: 48px;
  background: rgba(217, 164, 65, 0.18);
  border-left-color: var(--gold-light);
}

.page-products .ladder__head {
  margin: 0;
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  align-items: baseline;
}

.page-products .ladder__ver {
  font-family: var(--font-num);
  font-weight: 800;
  font-size: 18px;
  letter-spacing: 0.06em;
  color: var(--gold);
}

.page-products .ladder__code {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 17px;
  letter-spacing: 0.02em;
  color: var(--cream);
}

.page-products .ladder__desc {
  margin: 7px 0 0;
  font-size: 14px;
  line-height: 1.7;
  color: rgba(246, 241, 231, 0.82);
}

@media (min-width: 720px) {
  .page-products .ladder__step:nth-child(2) {
    margin-left: 28px;
  }

  .page-products .ladder__step:nth-child(3) {
    margin-left: 56px;
  }

  .page-products .ladder__step:nth-child(4) {
    margin-left: 84px;
  }

  .page-products .ladder__step:nth-child(5) {
    margin-left: 112px;
  }
}

/* ---- 收尾跳转 ---- */
.page-products .next-list {
  list-style: none;
  margin: 22px 0 0;
  padding: 0;
  display: grid;
  gap: 0;
}

.page-products .next-list li {
  display: grid;
  grid-template-columns: 1fr;
  gap: 6px;
  padding: 16px 0;
  border-top: 2px solid var(--mist);
}

.page-products .next-list li:last-child {
  border-bottom: 2px solid var(--mist);
}

.page-products .next-list a {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 18px;
  color: var(--red);
  text-decoration: none;
  border-bottom: 3px solid var(--gold);
  justify-self: start;
  transition: color var(--dur) var(--ease), background var(--dur) var(--ease);
}

.page-products .next-list a:hover,
.page-products .next-list a:focus-visible {
  background: var(--gold-light);
  color: var(--red-dark);
}

.page-products .next-list a:focus-visible {
  outline: 2px solid var(--orange);
  outline-offset: 2px;
}

.page-products .next-list span {
  font-size: 15px;
  line-height: 1.7;
  color: var(--ink);
}

@media (min-width: 720px) {
  .page-products .next-list li {
    grid-template-columns: 12em 1fr;
    gap: 20px;
    align-items: baseline;
  }
}

/* ---- 窄屏兜底 ---- */
@media (max-width: 560px) {
  .page-products .cmp__row {
    grid-template-columns: 1fr;
  }

  .page-products .cmp__cell--b {
    border-left: 0;
    border-top: var(--cmp-head) solid var(--red);
  }

  .page-products .steps__item {
    grid-template-columns: 1fr;
    gap: 8px;
  }

  .page-products .ladder__step:nth-child(n) {
    margin-left: 0;
  }

  .page-products .two-step li {
    grid-template-columns: 2em 1fr;
    gap: 8px;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-products .quick-links a,
  .page-products .steps__item,
  .page-products .cmp__cell,
  .page-products .next-list a {
    transition: none;
  }

  .page-products .quick-links a:hover,
  .page-products .steps__item:hover {
    transform: none;
  }
}