.page-products {
  position: relative;
  padding-bottom: 96px;
  background:
    radial-gradient(84% 46% at 50% -6%, rgba(31, 169, 201, 0.16), transparent 70%),
    radial-gradient(56% 34% at 6% 20%, rgba(52, 226, 212, 0.07), transparent 74%);
  overflow-x: hidden;
}

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

/* ---------- 刊头下方的页面开头 ---------- */
.page-products .zone-head {
  position: relative;
  padding: 30px 0 28px;
  border-bottom: 1px solid var(--line);
  overflow: hidden;
}

.page-products .zone-head::before {
  content: "";
  position: absolute;
  left: -10%;
  right: -10%;
  top: -180px;
  height: 340px;
  background:
    radial-gradient(46% 100% at 18% 60%, rgba(52, 226, 212, 0.16), transparent 72%),
    radial-gradient(42% 100% at 82% 40%, rgba(31, 169, 201, 0.2), transparent 74%);
  pointer-events: none;
}

.page-products .zone-head__inner {
  position: relative;
  display: grid;
  grid-template-columns: 1fr;
  gap: 22px;
}

.page-products .zone-head__kicker {
  margin: 0;
  font-size: var(--fs-13);
  letter-spacing: 0.06em;
  color: var(--cyan);
  text-transform: uppercase;
}

.page-products .zone-head h1 {
  margin: 14px 0 0;
  max-width: 22ch;
  font-size: var(--fs-40);
  font-weight: 600;
  line-height: 1.2;
  letter-spacing: -0.02em;
  color: var(--text);
}

.page-products .zone-head__intro {
  margin: 16px 0 0;
  max-width: 62ch;
  font-size: var(--fs-15);
  line-height: 1.8;
  color: var(--muted);
}

.page-products .zone-head__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 24px;
}

.page-products .zone-head__status {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 18px;
  padding: 14px 16px;
  border: 1px solid var(--line);
  border-radius: var(--radius-m);
  background: var(--glass);
}

.page-products .zone-head__stat {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-size: var(--fs-13);
  color: var(--muted);
  letter-spacing: 0.04em;
}

/* ---------- 左轨 + 内容骨架 ---------- */
.page-products .zone-layout {
  padding-top: 36px;
}

.page-products .zone-layout.with-rail {
  display: grid;
  grid-template-columns: 1fr;
  gap: 28px;
}

.page-products .zone-body {
  min-width: 0;
}

.page-products .rail {
  display: flex;
  gap: 4px;
  overflow-x: auto;
  padding-bottom: 10px;
  border-bottom: 1px solid var(--line);
  scrollbar-width: thin;
}

.page-products .rail__title {
  display: none;
  margin: 0 0 12px;
  padding-bottom: 8px;
  border-bottom: 1px solid var(--line);
  font-size: var(--fs-13);
  letter-spacing: 0.08em;
  color: var(--muted);
  text-transform: uppercase;
}

.page-products .rail__link {
  display: block;
  padding: 7px 10px;
  border-radius: 8px;
  color: var(--muted);
  font-size: var(--fs-15);
  line-height: 1.5;
  text-decoration: none;
  white-space: nowrap;
  transition: color 0.18s ease-out, background-color 0.18s ease-out, border-color 0.18s ease-out;
}

.page-products .rail__link:hover {
  color: var(--text);
  background: var(--glass);
}

.page-products .rail__link[aria-current="true"] {
  color: var(--cyan);
  background: var(--glass);
}

/* ---------- 区块节奏 ---------- */
.page-products .zone-sec {
  padding: 38px 0;
  border-top: 1px solid var(--line);
  scroll-margin-top: 24px;
}

.page-products .zone-sec:first-child {
  padding-top: 0;
  border-top: 0;
}

.page-products .zone-sec > .section-head {
  margin-bottom: 22px;
}

.page-products .zone-sec .section-head__title {
  font-size: var(--fs-28);
  font-weight: 600;
  letter-spacing: -0.02em;
  line-height: 1.3;
  color: var(--text);
}

.page-products .zone-sec .section-head__note {
  font-size: var(--fs-13);
  letter-spacing: 0.04em;
  color: var(--muted);
}

.page-products .prose {
  max-width: 68ch;
  margin: 0 0 18px;
  font-size: var(--fs-17);
  line-height: 1.75;
  color: var(--text);
}

.page-products .prose a {
  color: var(--cyan);
  text-decoration: none;
  border-bottom: 1px solid rgba(52, 226, 212, 0.4);
}

.page-products .prose a:hover {
  border-bottom-color: var(--cyan);
}

.page-products .zone-note {
  font-size: var(--fs-15);
  color: var(--muted);
  margin-top: 20px;
  margin-bottom: 0;
}

/* ---------- 图片 ---------- */
.page-products .zone-figure {
  margin: 0 0 24px;
}

.page-products .zone-figure img {
  display: block;
  width: 100%;
  border-radius: var(--radius-l);
}

.page-products .media-frame__caption {
  font-size: var(--fs-13);
  color: var(--muted);
  letter-spacing: 0.02em;
}

/* ---------- 分区网格 ---------- */
.page-products .zone-split {
  display: grid;
  grid-template-columns: 1fr;
  gap: 28px;
  align-items: start;
}

.page-products .zone-split.grid--7-5 {
  grid-template-columns: 1fr;
}

.page-products .zone-split__main {
  min-width: 0;
}

/* ---------- 表格 ---------- */
.page-products .zone-tablewrap {
  overflow-x: auto;
  border: 1px solid var(--line);
  border-radius: var(--radius-m);
  background: var(--glass);
  scrollbar-width: thin;
}

.page-products .zone-table {
  width: 100%;
  min-width: 660px;
  border-collapse: collapse;
  font-size: var(--fs-15);
  font-variant-numeric: tabular-nums;
}

.page-products .zone-table caption {
  caption-side: top;
  padding: 12px 16px;
  text-align: left;
  font-family: var(--font-mono);
  font-size: var(--fs-13);
  letter-spacing: 0.04em;
  color: var(--muted);
}

.page-products .zone-table th,
.page-products .zone-table td {
  padding: 13px 16px;
  text-align: left;
  vertical-align: top;
  line-height: 1.65;
  border-bottom: 1px solid var(--line);
}

.page-products .zone-table thead th {
  position: sticky;
  top: 0;
  z-index: 2;
  background: var(--panel);
  color: var(--cyan);
  font-family: var(--font-mono);
  font-size: var(--fs-13);
  font-weight: 500;
  letter-spacing: 0.06em;
  white-space: nowrap;
}

.page-products .zone-table tbody tr {
  transition: background-color 0.18s ease-out;
}

.page-products .zone-table tbody tr:hover {
  background: var(--glass-strong);
}

.page-products .zone-table tbody tr:hover td:first-child,
.page-products .zone-table tbody tr:hover th[scope="row"] {
  position: relative;
}

.page-products .zone-table tbody tr:hover td:first-child::before,
.page-products .zone-table tbody tr:hover th[scope="row"]::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0;
  bottom: 0;
  width: 2px;
  background: var(--cyan);
}

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

.page-products .zone-table--spec th[scope="row"] {
  color: var(--text);
  font-weight: 600;
}

.page-products .zone-table .is-diff td,
.page-products .zone-table .is-diff th[scope="row"] {
  background: rgba(52, 226, 212, 0.06);
}

/* ---------- 只看差异开关 ---------- */
.page-products .zone-spec {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 10px;
}

.page-products .spec-toggle {
  appearance: none;
  -webkit-appearance: none;
  position: relative;
  flex: 0 0 auto;
  width: 42px;
  height: 23px;
  margin: 0;
  border: 1px solid var(--line);
  border-radius: 999px;
  background: var(--panel-2);
  cursor: pointer;
  transition: background-color 0.2s ease-out, border-color 0.2s ease-out;
}

.page-products .spec-toggle::after {
  content: "";
  position: absolute;
  top: 2px;
  left: 2px;
  width: 17px;
  height: 17px;
  border-radius: 50%;
  background: var(--muted);
  transition: transform 0.2s ease-out, background-color 0.2s ease-out;
}

.page-products .spec-toggle:checked {
  background: rgba(255, 107, 74, 0.22);
  border-color: var(--coral);
}

.page-products .spec-toggle:checked::after {
  transform: translateX(19px);
  background: var(--coral);
}

.page-products .spec-toggle:focus-visible {
  outline: 2px solid var(--cyan);
  outline-offset: 2px;
}

.page-products .spec-toggle-label {
  font-size: var(--fs-13);
  letter-spacing: 0.04em;
  color: var(--muted);
  cursor: pointer;
}

.page-products .spec-toggle:checked ~ .spec-toggle-label {
  color: var(--coral);
}

.page-products .zone-spec .zone-tablewrap {
  flex: 1 0 100%;
  margin-top: 4px;
}

.page-products .spec-toggle:checked ~ .zone-tablewrap .zone-table tbody tr:not(.is-diff) {
  display: none;
}

/* ---------- 五类标签清单 ---------- */
.page-products .taglist {
  list-style: none;
  margin: 0 0 20px;
  padding: 0;
  border-top: 1px solid var(--line);
}

.page-products .taglist__item {
  display: grid;
  grid-template-columns: 64px minmax(0, 1fr);
  gap: 14px;
  align-items: baseline;
  padding: 12px 0;
  border-bottom: 1px solid var(--line);
}

.page-products .taglist__key {
  font-size: var(--fs-15);
  color: var(--cyan);
  letter-spacing: 0.06em;
}

.page-products .taglist__desc {
  font-size: var(--fs-15);
  line-height: 1.7;
  color: var(--muted);
}

/* ---------- 活动条目 ---------- */
.page-products .line-list {
  list-style: none;
  margin: 0;
  padding: 0;
  border-top: 1px solid var(--line);
}

.page-products .line-list__row {
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  gap: 8px 16px;
  padding: 12px 0;
  border-bottom: 1px solid var(--line);
}

.page-products .line-list__name {
  font-size: var(--fs-17);
  color: var(--text);
}

.page-products .line-list__meta {
  font-size: var(--fs-13);
  letter-spacing: 0.04em;
  color: var(--muted);
}

/* ---------- 切换步骤 ---------- */
.page-products .step-list {
  list-style: none;
  margin: 0 0 24px;
  padding: 0;
  display: grid;
  gap: 14px;
}

.page-products .step-list__item {
  display: grid;
  grid-template-columns: 44px minmax(0, 1fr);
  gap: 16px;
  padding: 18px;
  border: 1px solid var(--line);
  border-radius: var(--radius-m);
  background: var(--glass);
}

.page-products .step-list__no {
  font-size: var(--fs-21);
  line-height: 1.2;
  color: var(--cyan);
  letter-spacing: 0.04em;
}

.page-products .step-list__title {
  margin: 0 0 6px;
  font-size: var(--fs-17);
  font-weight: 600;
  color: var(--text);
  line-height: 1.5;
}

.page-products .step-list__body p {
  margin: 0;
  font-size: var(--fs-15);
  line-height: 1.75;
  color: var(--muted);
}

/* ---------- 切换开关面板 ---------- */
.page-products .zone-switch {
  position: relative;
  margin-bottom: 22px;
  padding: 22px 18px;
  border: 1px solid var(--line);
  border-radius: var(--radius-l);
  background:
    linear-gradient(158deg, rgba(31, 169, 201, 0.14), rgba(6, 22, 38, 0) 62%),
    var(--glass);
}

.page-products .zone-switch__input {
  position: absolute;
  width: 1px;
  height: 1px;
  margin: -1px;
  padding: 0;
  overflow: hidden;
  clip: rect(0 0 0 0);
  clip-path: inset(50%);
  white-space: nowrap;
  border: 0;
}

.page-products .zone-switch__ui {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 14px;
  cursor: pointer;
}

.page-products .zone-switch__input:focus-visible ~ .zone-switch__ui {
  outline: 2px solid var(--cyan);
  outline-offset: 4px;
  border-radius: var(--radius-s);
}

.page-products .zone-switch__track {
  position: relative;
  flex: 0 0 auto;
  width: 64px;
  height: 32px;
  border: 1px solid var(--line);
  border-radius: 999px;
  background: var(--panel-2);
  transition: background-color 0.24s ease-out, border-color 0.24s ease-out;
}

.page-products .zone-switch__knob {
  position: absolute;
  top: 3px;
  left: 3px;
  width: 24px;
  height: 24px;
  border-radius: 50%;
  background: var(--muted);
  transition: transform 0.24s cubic-bezier(0.2, 0.7, 0.3, 1), background-color 0.24s ease-out;
}

.page-products .zone-switch__input:checked ~ .zone-switch__ui .zone-switch__track {
  background: rgba(255, 107, 74, 0.2);
  border-color: var(--coral);
}

.page-products .zone-switch__input:checked ~ .zone-switch__ui .zone-switch__knob {
  transform: translateX(32px);
  background: var(--coral);
}

.page-products .zone-switch__caption {
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  gap: 6px 16px;
  font-size: var(--fs-17);
}

.page-products .zone-switch__a,
.page-products .zone-switch__b {
  position: relative;
  padding-bottom: 3px;
  color: var(--muted);
  transition: color 0.24s ease-out;
}

.page-products .zone-switch__input:checked ~ .zone-switch__ui .zone-switch__a {
  color: var(--cyan);
}

.page-products .zone-switch__input:not(:checked) ~ .zone-switch__ui .zone-switch__b {
  color: var(--cyan);
}

.page-products .zone-switch__input:checked ~ .zone-switch__ui .zone-switch__a::after,
.page-products .zone-switch__input:not(:checked) ~ .zone-switch__ui .zone-switch__b::after {
  content: "";
  position: absolute;
  left: 0;
  right: 0;
  bottom: 0;
  height: 2px;
  background: var(--cyan);
}

.page-products .zone-switch__readout {
  margin: 16px 0 0;
  font-size: var(--fs-13);
  letter-spacing: 0.04em;
  color: var(--muted);
}

.page-products .zone-switch__readout-a {
  display: inline;
}

.page-products .zone-switch__readout-b {
  display: none;
}

.page-products .zone-switch__input:not(:checked) ~ .zone-switch__readout .zone-switch__readout-a {
  display: none;
}

.page-products .zone-switch__input:not(:checked) ~ .zone-switch__readout .zone-switch__readout-b {
  display: inline;
}

/* ---------- 安装步骤折叠 ---------- */
.page-products .install-steps {
  list-style: none;
  margin: 0 0 22px;
  padding: 0;
  display: grid;
  gap: 12px;
}

.page-products .install-steps .fold {
  border: 1px solid var(--line);
  border-radius: var(--radius-m);
  background: var(--glass);
  overflow: hidden;
}

.page-products .install-steps .fold__head {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 16px 18px;
  font-size: var(--fs-17);
  font-weight: 600;
  color: var(--text);
  cursor: pointer;
  list-style: none;
}

.page-products .install-steps .fold__head::-webkit-details-marker {
  display: none;
}

.page-products .install-steps .fold__head::marker {
  content: "";
}

.page-products .install-steps .fold__mark {
  font-family: var(--font-mono);
  font-size: var(--fs-21);
  line-height: 1;
  color: var(--cyan);
  transition: transform 0.26s ease-out;
}

.page-products .install-steps .fold[open] .fold__mark {
  transform: rotate(45deg);
}

.page-products .install-steps .fold__title {
  flex: 1 1 auto;
  min-width: 0;
}

.page-products .install-steps .fold__body {
  padding: 0 18px 18px;
  font-size: var(--fs-15);
  line-height: 1.75;
  color: var(--muted);
}

.page-products .install-steps .fold__body p {
  margin: 0;
}

/* ---------- 画质 / 设备 / 重连 ---------- */
.page-products .spec-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 1px;
  border: 1px solid var(--line);
  border-radius: var(--radius-m);
  background: var(--line);
  overflow: hidden;
}

.page-products .spec-grid__item {
  padding: 22px 18px;
  background: var(--panel);
}

.page-products .spec-grid__num {
  margin: 0 0 10px;
  font-size: var(--fs-21);
  letter-spacing: 0.04em;
  color: var(--cyan);
}

.page-products .spec-grid__title {
  margin: 0 0 8px;
  font-size: var(--fs-17);
  font-weight: 600;
  color: var(--text);
  line-height: 1.5;
}

.page-products .spec-grid__text {
  margin: 0;
  font-size: var(--fs-15);
  line-height: 1.75;
  color: var(--muted);
}

/* ---------- 延伸入口 ---------- */
.page-products .next-list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  grid-template-columns: 1fr;
  gap: 1px;
  border: 1px solid var(--line);
  border-radius: var(--radius-m);
  background: var(--line);
  overflow: hidden;
}

.page-products .next-list a {
  display: flex;
  flex-direction: column;
  gap: 8px;
  padding: 20px 18px;
  background: var(--panel);
  text-decoration: none;
  transition: background-color 0.18s ease-out;
}

.page-products .next-list a:hover {
  background: var(--panel-2);
}

.page-products .next-list__key {
  font-size: var(--fs-13);
  letter-spacing: 0.06em;
  color: var(--cyan);
}

.page-products .next-list__title {
  font-size: var(--fs-17);
  line-height: 1.6;
  color: var(--text);
}

.page-products .next-list a:hover .next-list__title {
  color: var(--cyan);
}

/* ---------- 中等屏幕 ---------- */
@media (min-width: 760px) {
  .page-products .spec-grid {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }

  .page-products .next-list {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .page-products .zone-head {
    padding: 40px 0 32px;
  }

  .page-products .zone-head__intro {
    font-size: var(--fs-17);
  }
}

/* ---------- 桌面端 ---------- */
@media (min-width: 900px) {
  .page-products .zone-head__inner {
    grid-template-columns: minmax(0, 1.55fr) minmax(0, 1fr);
    gap: 44px;
    align-items: end;
  }

  .page-products .zone-layout.with-rail {
    grid-template-columns: var(--rail-w) minmax(0, 1fr);
    gap: 52px;
    padding-top: 44px;
  }

  .page-products .rail {
    position: sticky;
    top: calc(var(--header-h) + 18px);
    display: block;
    overflow: visible;
    padding-bottom: 0;
    border-bottom: 0;
    max-height: calc(100vh - var(--header-h) - 48px);
  }

  .page-products .rail__title {
    display: block;
  }

  .page-products .rail__link {
    padding: 7px 0 7px 13px;
    border-left: 2px solid transparent;
    border-radius: 0;
    white-space: normal;
    background: none;
  }

  .page-products .rail__link:hover {
    background: none;
    color: var(--text);
  }

  .page-products .rail__link[aria-current="true"] {
    background: none;
    border-left-color: var(--cyan);
  }

  .page-products .zone-sec {
    padding: 52px 0;
  }

  .page-products .zone-split.grid--7-5 {
    grid-template-columns: minmax(0, 7fr) minmax(0, 5fr);
  }

  .page-products .zone-split.grid--5-7 {
    grid-template-columns: minmax(0, 5fr) minmax(0, 7fr);
  }

  .page-products .zone-split {
    gap: 40px;
  }

  .page-products .zone-switch {
    padding: 26px 24px;
  }

  .page-products .zone-table th,
  .page-products .zone-table td {
    padding: 15px 20px;
  }
}

@media (min-width: 1100px) {
  .page-products .zone-sec {
    padding: 60px 0;
  }
}

/* ---------- 动效降级 ---------- */
@media (prefers-reduced-motion: reduce) {
  .page-products * {
    transition-duration: 0.01ms !important;
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
  }
}