.page-products {
  --pp-radius: 0;
  --pp-gap: 20px;
}

/* ---------- 面包屑 ---------- */
.page-products .breadcrumb {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
  padding-top: 18px;
  padding-bottom: 0;
  font-size: 13px;
}
.page-products .breadcrumb__item {
  color: var(--graphite);
  text-decoration: none;
}
.page-products .breadcrumb__item + .breadcrumb__item::before {
  content: "/";
  margin-right: 6px;
  color: var(--line-mid);
}
.page-products a.breadcrumb__item:hover {
  color: var(--ice);
}

/* ---------- 首屏 ---------- */
.page-products .pf-hero {
  position: relative;
  overflow: hidden;
  padding: 34px 0 40px;
  background:
    linear-gradient(155deg, var(--pale) 0%, var(--paper) 58%),
    var(--paper);
  border-bottom: 1px solid var(--line);
}
.page-products .pf-hero::after {
  content: "";
  position: absolute;
  right: -70px;
  top: -60px;
  width: 240px;
  height: 240px;
  background: linear-gradient(135deg, rgba(46, 143, 181, .18), rgba(18, 69, 92, 0));
  transform: rotate(12deg);
  pointer-events: none;
}
.page-products .pf-hero__inner {
  position: relative;
  z-index: 1;
}
.page-products .pf-hero__kicker {
  margin: 0 0 14px;
  font-size: 11px;
  letter-spacing: .18em;
  color: var(--ice);
  text-transform: uppercase;
  font-weight: 700;
}
.page-products .pf-hero__title {
  margin: 0 0 18px;
  font-size: clamp(30px, 7vw, 54px);
  line-height: 1.12;
  letter-spacing: -.02em;
  font-weight: 900;
  color: var(--ink);
  max-width: 18em;
}
.page-products .pf-hero__lead {
  margin: 0 0 26px;
  max-width: 38em;
  font-size: 16px;
  line-height: 1.8;
  color: var(--graphite);
}

.page-products .pf-hero__stats {
  list-style: none;
  margin: 0 0 26px;
  padding: 0;
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 1px;
  background: var(--line);
  border: 1px solid var(--line);
}
.page-products .pf-stat {
  display: flex;
  flex-direction: column;
  gap: 4px;
  padding: 14px 16px;
  background: var(--paper);
}
.page-products .pf-stat__num {
  font-size: 26px;
  font-weight: 800;
  color: var(--deep);
  line-height: 1.1;
}
.page-products .pf-stat__unit {
  font-size: 13px;
  font-weight: 600;
  margin-left: 2px;
}
.page-products .pf-stat__label {
  font-size: 12px;
  letter-spacing: .04em;
  color: var(--graphite);
}

.page-products .pf-jump {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}
.page-products .pf-jump__link {
  display: inline-block;
  padding: 7px 12px;
  font-size: 12px;
  font-weight: 600;
  color: var(--deep);
  text-decoration: none;
  background: rgba(232, 242, 246, .8);
  border: 1px solid var(--line-mid);
  clip-path: polygon(0 0, 100% 0, 100% 100%, 9px 100%, 0 calc(100% - 9px));
  transition: background var(--dur) var(--ease), color var(--dur) var(--ease);
}
.page-products .pf-jump__link:hover,
.page-products .pf-jump__link:focus-visible {
  background: var(--deep);
  color: var(--pale);
}

/* ---------- 通用章节 ---------- */
.page-products .pf-section {
  padding: 44px 0 12px;
}
.page-products .pf-section--last {
  padding-bottom: 56px;
}
.page-products .pf-section .band {
  margin-bottom: 26px;
}
.page-products .section-head {
  display: flex;
  gap: 14px;
  align-items: flex-start;
  margin-bottom: 18px;
}
.page-products .section-num {
  flex: none;
  font-size: clamp(28px, 8vw, 44px);
  font-weight: 900;
  line-height: .9;
  letter-spacing: -.03em;
  color: var(--ice);
}
.page-products .section-title {
  margin: 0 0 8px;
  font-size: clamp(21px, 4.6vw, 30px);
  line-height: 1.28;
  letter-spacing: -.015em;
  font-weight: 800;
  color: var(--ink);
}
.page-products .pf-sub {
  margin: 0;
  max-width: 36em;
  font-size: 15px;
  line-height: 1.75;
  color: var(--graphite);
}
.page-products .pf-h3 {
  margin: 0 0 8px;
  font-size: 16px;
  font-weight: 800;
  letter-spacing: -.01em;
  color: var(--deep);
}
.page-products .pf-list {
  margin: 0;
  padding-left: 18px;
  font-size: 14.5px;
  line-height: 1.8;
  color: var(--graphite);
}
.page-products .pf-list li + li {
  margin-top: 4px;
}
.page-products .pf-list--check {
  list-style: none;
  padding-left: 0;
}
.page-products .pf-list--check li {
  position: relative;
  padding-left: 20px;
}
.page-products .pf-list--check li::before {
  content: "";
  position: absolute;
  left: 0;
  top: .62em;
  width: 9px;
  height: 2px;
  background: var(--signal);
}

/* ---------- 图片容器兜底 ---------- */
.page-products .media-frame {
  margin: 0;
  position: relative;
  background: linear-gradient(140deg, rgba(46, 143, 181, .16), rgba(18, 69, 92, .06));
  border: 1px solid var(--line);
  overflow: hidden;
}
.page-products .media-frame__img {
  display: block;
  width: 100%;
  max-width: 100%;
  height: auto;
  object-fit: cover;
}
.page-products .media-frame__cap {
  display: block;
  padding: 9px 12px;
  font-size: 12px;
  line-height: 1.6;
  color: var(--graphite);
  background: rgba(232, 242, 246, .7);
  border-top: 1px solid var(--line);
}

/* ---------- 01 对照视图 ---------- */
.page-products .pf-verbar {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 12px;
  margin-bottom: 14px;
  padding: 12px 14px;
  background: var(--deep);
  clip-path: polygon(0 0, 100% 0, 100% 100%, var(--notch) 100%, 0 calc(100% - var(--notch)));
}
.page-products .pf-verbar__label {
  font-size: 12px;
  letter-spacing: .08em;
  color: var(--on-dark);
  text-transform: uppercase;
}
.page-products .pf-ver-switch {
  display: inline-flex;
  border: 1px solid rgba(232, 242, 246, .3);
}
.page-products .pf-ver-tab {
  appearance: none;
  border: 0;
  background: transparent;
  color: var(--on-dark);
  font: inherit;
  font-size: 13px;
  font-weight: 700;
  padding: 7px 16px;
  cursor: pointer;
  transition: background var(--dur) var(--ease), color var(--dur) var(--ease);
}
.page-products .pf-ver-tab:hover {
  background: rgba(232, 242, 246, .12);
  color: var(--pale);
}
.page-products .pf-ver-tab[aria-pressed="true"] {
  background: var(--signal);
  color: #fff;
}
.page-products .pf-verbar .live-state {
  color: var(--on-dark);
}

.page-products .pf-ver-note {
  margin: 0 0 16px;
  max-width: 40em;
  font-size: 14.5px;
  line-height: 1.78;
  color: var(--graphite);
}
.page-products .pf-ver-note--std {
  display: block;
}
.page-products .pf-ver-note--up {
  display: none;
}
[data-version="upgrade"] .page-products .pf-ver-note--std {
  display: none;
}
[data-version="upgrade"] .page-products .pf-ver-note--up {
  display: block;
}

.page-products .pf-table-wrap {
  overflow-x: auto;
  -webkit-overflow-scrolling: touch;
  border: 1px solid var(--line-mid);
  background: var(--paper);
}
.page-products .pf-table-wrap--plain {
  border-color: var(--line);
}
.page-products .pf-table {
  width: 100%;
  min-width: 760px;
  border-collapse: collapse;
  font-size: 14px;
}
.page-products .pf-table__cap {
  text-align: left;
  padding: 10px 14px;
  font-size: 12px;
  letter-spacing: .04em;
  color: var(--graphite);
  background: var(--pale);
  border-bottom: 1px solid var(--line-mid);
}
.page-products .pf-table thead th {
  background: var(--deep);
  color: var(--pale);
  font-size: 12.5px;
  font-weight: 700;
  letter-spacing: .04em;
  text-align: left;
  padding: 11px 14px;
  white-space: nowrap;
  border-right: 1px solid rgba(232, 242, 246, .12);
}
.page-products .pf-table thead th:last-child {
  border-right: 0;
}
.page-products .pf-table tbody td {
  padding: 11px 14px;
  border-bottom: 1px solid var(--line);
  color: var(--graphite);
  vertical-align: top;
  white-space: nowrap;
}
.page-products .pf-table tbody tr:nth-child(even) td {
  background: rgba(232, 242, 246, .5);
}
.page-products .pf-table tbody tr:hover td {
  background: rgba(46, 143, 181, .1);
}
.page-products .pf-table .mono,
.page-products .pf-table .num {
  font-family: var(--font-mono);
  font-variant-numeric: tabular-nums;
  letter-spacing: .01em;
}
.page-products .pf-table .is-changed td:first-child {
  box-shadow: inset 3px 0 0 var(--signal);
}

.page-products .pf-table .ver-up {
  display: none;
}
[data-version="upgrade"] .page-products .pf-table .ver-up {
  display: table-cell;
  background-image: linear-gradient(90deg, rgba(255, 106, 43, .5), rgba(255, 106, 43, 0));
  background-repeat: no-repeat;
  background-size: 2px 100%;
  background-position: left top;
}

.page-products .pf-table__foot {
  margin: 10px 0 0;
  font-size: 13px;
  line-height: 1.7;
  color: var(--graphite);
}

.page-products .pf-compare-aside {
  margin-top: 26px;
  display: grid;
  gap: var(--pp-gap);
}
.page-products .pf-compare-fig {
  clip-path: polygon(0 0, 100% 0, 100% calc(100% - var(--notch)), var(--notch) calc(100% - var(--notch)), 0 100%);
}
.page-products .pf-compare-tips {
  background: var(--pale);
  border-left: 4px solid var(--ice);
  padding: 18px 18px 20px;
}

/* ---------- 02 定位方式 ---------- */
.page-products .pf-locate {
  display: grid;
  gap: var(--pp-gap);
}
.page-products .pf-locate__card {
  position: relative;
  padding: 20px 18px;
  background: var(--paper);
  border: 1px solid var(--line-mid);
  clip-path: polygon(0 0, 100% 0, 100% calc(100% - var(--notch)), var(--notch) calc(100% - var(--notch)), 0 100%);
}
.page-products .pf-locate__card p {
  margin: 0 0 10px;
  font-size: 14.5px;
  line-height: 1.78;
  color: var(--graphite);
}
.page-products .pf-locate__no {
  display: block;
  font-size: 12px;
  letter-spacing: .14em;
  color: var(--ice);
  margin-bottom: 8px;
}
.page-products .pf-locate__use {
  margin: 0 !important;
  padding-top: 10px;
  border-top: 1px dashed var(--line-mid);
  font-size: 13.5px !important;
  color: var(--deep) !important;
}

.page-products .pf-locate-band {
  margin-top: 26px;
  display: grid;
  gap: var(--pp-gap);
}
.page-products .pf-locate-fig {
  clip-path: polygon(0 0, 100% 0, 100% 100%, 0 100%, 0 var(--notch));
}
.page-products .pf-locate-note {
  padding: 18px;
  background: var(--pale);
  border-top: 3px solid var(--signal);
}
.page-products .pf-locate-note p {
  margin: 0 0 10px;
  font-size: 14.5px;
  line-height: 1.78;
  color: var(--graphite);
}
.page-products .pf-locate-note p:last-child {
  margin-bottom: 0;
}

/* ---------- 03 本地目录 ---------- */
.page-products .pf-dir-fig {
  margin-bottom: 24px;
  clip-path: polygon(0 0, 100% 0, 100% 100%, var(--notch) 100%, 0 calc(100% - var(--notch)));
}
.page-products .pf-dir-bar {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 12px;
  margin-bottom: 18px;
}
.page-products .pf-caps {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}
.page-products .pf-cap {
  display: inline-block;
  padding: 7px 14px;
  font-size: 13px;
  font-weight: 600;
  text-decoration: none;
  color: var(--teal);
  background: var(--paper);
  border: 1px solid var(--teal);
  border-radius: 999px;
  transition: background var(--dur) var(--ease), color var(--dur) var(--ease);
}
.page-products .pf-cap:hover,
.page-products .pf-cap:focus-visible {
  background: rgba(15, 90, 85, .1);
}
.page-products .pf-cap.is-on {
  background: var(--signal);
  border-color: var(--signal);
  color: #fff;
}
.page-products .pf-dir-count {
  font-size: 13px;
  color: var(--graphite);
}
.page-products .pf-dir-count strong {
  font-size: 15px;
  color: var(--signal);
}

.page-products .pf-dir-grid {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  grid-template-columns: 1fr;
  gap: 14px;
}
.page-products .pf-dir-card {
  padding: 18px;
  background: var(--paper);
  border: 1px solid var(--teal);
  clip-path: polygon(0 0, 100% 0, 100% calc(100% - 12px), calc(100% - 12px) calc(100% - 12px), 0 100%);
  transition: transform var(--dur) var(--ease), box-shadow var(--dur) var(--ease);
}
.page-products .pf-dir-card:hover {
  transform: translateY(-2px);
  box-shadow: var(--shadow-2);
}
.page-products .pf-dir-card__num {
  display: block;
  font-size: 30px;
  font-weight: 800;
  line-height: 1;
  color: var(--teal);
  margin-bottom: 10px;
}
.page-products .pf-dir-card__meta {
  margin: 0 0 10px;
  font-size: 13px;
  color: var(--graphite);
}
.page-products .pf-dir-card__tags {
  margin: 0;
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
}

.page-products .pf-dir-legend {
  margin-top: 26px;
  display: grid;
  gap: 1px;
  background: var(--line);
  border: 1px solid var(--line);
}
.page-products .pf-dir-legend__cell {
  padding: 18px;
  background: var(--pale);
}
.page-products .pf-dir-legend__num {
  display: block;
  font-size: 28px;
  font-weight: 800;
  line-height: 1.1;
  color: var(--deep);
  margin-bottom: 6px;
}
.page-products .pf-dir-legend__cell p {
  margin: 0;
  font-size: 14px;
  line-height: 1.75;
  color: var(--graphite);
}

/* ---------- 04 版本回溯 ---------- */
.page-products .pf-archive-grid {
  display: grid;
  gap: var(--pp-gap);
}
.page-products .pf-archive-lead {
  margin: 0 0 18px;
  max-width: 40em;
  font-size: 15px;
  line-height: 1.8;
  color: var(--graphite);
}
.page-products .pf-rev {
  border: 1px solid var(--line-mid);
  border-left: 4px solid var(--wine);
  background: var(--paper);
  margin-bottom: 10px;
}
.page-products .pf-rev__head {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 10px;
  padding: 13px 16px;
  cursor: pointer;
  list-style: none;
  font-size: 14.5px;
  font-weight: 700;
  color: var(--ink);
}
.page-products .pf-rev__head::-webkit-details-marker {
  display: none;
}
.page-products .pf-rev__head::after {
  content: "＋";
  margin-left: auto;
  font-size: 14px;
  color: var(--graphite);
}
.page-products .pf-rev[open] .pf-rev__head::after {
  content: "－";
}
.page-products .pf-rev__ver {
  font-size: 15px;
  font-weight: 800;
  color: var(--wine);
}
.page-products .pf-rev__name {
  font-weight: 600;
  color: var(--ink);
}
.page-products .pf-rev__body {
  padding: 0 16px 16px;
  border-top: 1px dashed var(--line-mid);
}
.page-products .pf-rev__body p {
  margin: 12px 0 0;
  font-size: 14.5px;
  line-height: 1.8;
  color: var(--graphite);
}
.page-products .pf-rev__head:hover {
  background: rgba(122, 46, 63, .06);
}

.page-products .pf-archive-aside {
  display: grid;
  gap: var(--pp-gap);
  align-content: start;
}
.page-products .pf-archive-card {
  padding: 18px;
  background: rgba(122, 46, 63, .06);
  border: 1px solid rgba(122, 46, 63, .3);
}
.page-products .pf-archive-card p {
  margin: 0 0 10px;
  font-size: 14.5px;
  line-height: 1.78;
  color: var(--graphite);
}

/* ---------- 05 导出 ---------- */
.page-products .pf-export {
  display: grid;
  gap: var(--pp-gap);
  grid-template-columns: 1fr;
}
.page-products .pf-export__col {
  padding: 20px 18px;
  background: var(--paper);
  border: 1px solid var(--line-mid);
  border-top: 4px solid var(--indigo);
}
.page-products .pf-export-band {
  margin-top: 26px;
  display: grid;
  gap: var(--pp-gap);
}
.page-products .pf-export-fig {
  clip-path: polygon(0 0, 100% 0, calc(100% - var(--notch)) 100%, 0 100%);
}
.page-products .pf-export-note {
  padding: 18px;
  background: var(--pale);
  border-left: 4px solid var(--indigo);
}
.page-products .pf-export-note p {
  margin: 0 0 10px;
  font-size: 14.5px;
  line-height: 1.78;
  color: var(--graphite);
}
.page-products .pf-export-note p:last-child {
  margin-bottom: 0;
}
.page-products .pf-export-note a,
.page-products .pf-devices__meta a,
.page-products .pf-refresh__foot a {
  color: var(--ice);
  text-decoration: underline;
  text-underline-offset: 3px;
}
.page-products .pf-export-note a:hover,
.page-products .pf-devices__meta a:hover,
.page-products .pf-refresh__foot a:hover {
  color: var(--signal);
}

/* ---------- 06 刷新节奏 ---------- */
.page-products .pf-refresh {
  border: 1px solid var(--line-mid);
  background: var(--paper);
}
.page-products .pf-refresh__bar {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 14px;
  padding: 14px 18px;
  background: var(--deep);
}
.page-products .pf-refresh__bar .live-state {
  color: var(--pale);
}
.page-products .pf-refresh__time {
  font-size: 12.5px;
  color: var(--on-dark);
}
.page-products .pf-refresh__legend {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 1px;
  background: var(--line);
}
.page-products .pf-refresh__item {
  background: var(--paper);
  padding: 16px 18px 18px;
}
.page-products .pf-refresh__item strong {
  display: inline-block;
  font-size: 14.5px;
  color: var(--deep);
  margin-bottom: 6px;
}
.page-products .pf-refresh__item p {
  margin: 0;
  font-size: 14px;
  line-height: 1.75;
  color: var(--graphite);
}
.page-products .pf-dot {
  display: inline-block;
  width: 9px;
  height: 9px;
  border-radius: 50%;
  margin-right: 8px;
  vertical-align: middle;
}
.page-products .pf-dot--live {
  background: var(--teal);
}
.page-products .pf-dot--signal {
  background: var(--signal);
}
.page-products .pf-dot--amber {
  background: var(--amber);
}
.page-products .pf-refresh__foot {
  margin: 0;
  padding: 16px 18px;
  font-size: 14px;
  line-height: 1.78;
  color: var(--graphite);
  border-top: 1px solid var(--line);
}

/* ---------- 07 设备适配 ---------- */
.page-products .pf-devices {
  display: grid;
  gap: var(--pp-gap);
}
.page-products .pf-table--devices {
  min-width: 560px;
}
.page-products .pf-devices__aside {
  padding: 20px 18px;
  background: var(--pale);
  border-left: 4px solid var(--ice);
  align-self: start;
}
.page-products .pf-devices__aside p {
  margin: 0 0 12px;
  font-size: 14.5px;
  line-height: 1.78;
  color: var(--graphite);
}
.page-products .pf-btn {
  display: inline-block;
  margin-bottom: 14px;
}
.page-products .pf-devices__meta {
  font-size: 13.5px !important;
  color: var(--graphite);
  padding-top: 12px;
  border-top: 1px dashed var(--line-mid);
}

/* ---------- 响应式 ---------- */
@media (min-width: 600px) {
  .page-products .pf-hero__stats {
    grid-template-columns: repeat(4, minmax(0, 1fr));
  }
  .page-products .pf-dir-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
  .page-products .pf-locate {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }
  .page-products .pf-export {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
  .page-products .pf-refresh__legend {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }
  .page-products .pf-dir-legend {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }
}

@media (min-width: 900px) {
  .page-products .pf-hero {
    padding: 52px 0 56px;
  }
  .page-products .pf-section {
    padding: 60px 0 16px;
  }
  .page-products .pf-dir-grid {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }
  .page-products .pf-compare-aside {
    grid-template-columns: 5fr 7fr;
    align-items: start;
  }
  .page-products .pf-locate-band {
    grid-template-columns: 7fr 5fr;
    align-items: start;
  }
  .page-products .pf-export-band {
    grid-template-columns: 8fr 4fr;
    align-items: start;
  }
  .page-products .pf-archive-grid {
    grid-template-columns: 7fr 5fr;
    align-items: start;
  }
  .page-products .pf-devices {
    grid-template-columns: 7fr 5fr;
    align-items: start;
  }
  .page-products .pf-table {
    min-width: 0;
  }
}

@media (min-width: 1100px) {
  .page-products .pf-hero__title {
    max-width: 15em;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-products .pf-dir-card,
  .page-products .pf-cap,
  .page-products .pf-ver-tab,
  .page-products .pf-jump__link {
    transition: none;
  }
  .page-products .pf-dir-card:hover {
    transform: none;
  }
}
</main>