.page-products {
  display: block;
  color: var(--c-text);
}

.page-products .products-head {
  padding-top: 24px;
  padding-bottom: 22px;
  border-bottom: 1px solid var(--line);
}

.page-products .products-head__kicker {
  display: inline-block;
  margin: 0 0 12px;
}

.page-products .products-head__title {
  margin: 0 0 14px;
  font-family: var(--font-display);
  font-weight: 800;
  font-size: clamp(34px, 7.6vw, 60px);
  line-height: 1.02;
  letter-spacing: -0.01em;
  color: var(--c-ivory);
}

.page-products .products-head__lede {
  margin: 0;
  max-width: 62ch;
  font-size: 16px;
  line-height: 1.75;
  color: var(--c-text);
}
@media (min-width: 900px) {
  .page-products .products-head__lede {
    font-size: 17px;
  }
}

/* ---------- 首屏版本选择区 ---------- */
.page-products .products-pick {
  display: grid;
  gap: 22px;
  padding-top: 28px;
}

.page-products .products-pick__cards {
  display: grid;
  gap: 14px;
}

.page-products .vcard {
  position: relative;
  padding: 18px 18px 16px;
  border: 1px solid var(--line);
  border-left: 3px solid var(--c-green);
  border-radius: var(--radius);
  background: linear-gradient(180deg, rgba(20, 70, 58, 0.5) 0%, rgba(15, 44, 30, 0.78) 100%);
  transition: border-color 180ms ease, background 180ms ease;
}
.page-products .vcard:hover,
.page-products .vcard:focus-within {
  border-color: var(--c-cyan);
  border-left-color: var(--c-cyan);
  background: linear-gradient(180deg, rgba(20, 70, 58, 0.68) 0%, rgba(15, 44, 30, 0.85) 100%);
}

.page-products .vcard__top {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 10px;
  margin-bottom: 10px;
}

.page-products .vcard__idx {
  font-family: var(--font-mono);
  font-weight: 600;
  font-size: 14px;
  letter-spacing: 0.04em;
  color: var(--c-amber);
}

.page-products .vcard__ver {
  font-family: var(--font-mono);
  font-weight: 600;
  font-size: 12px;
  letter-spacing: 0.04em;
  color: var(--c-cyan);
  padding: 3px 8px;
  border: 1px solid rgba(79, 227, 193, 0.32);
  border-radius: 999px;
}

.page-products .vcard__title {
  margin: 0 0 8px;
  font-family: var(--font-display);
  font-weight: 800;
  font-size: 26px;
  line-height: 1.15;
  letter-spacing: -0.01em;
  color: var(--c-ivory);
}

.page-products .vcard__who {
  margin: 0 0 12px;
  font-size: 14px;
  line-height: 1.7;
  color: var(--c-mute);
}

.page-products .vcard__list {
  margin: 0 0 16px;
  padding: 0;
  list-style: none;
  display: grid;
  gap: 8px;
}
.page-products .vcard__list li {
  position: relative;
  padding-left: 18px;
  font-size: 14px;
  line-height: 1.7;
  color: var(--c-text);
}
.page-products .vcard__list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.68em;
  width: 8px;
  height: 2px;
  background: var(--c-cyan);
}

.page-products .vcard__cta {
  text-decoration: none;
}

/* 侧栏：界面示意 + 选择指引 */
.page-products .products-pick__side {
  display: grid;
  gap: 18px;
  align-content: start;
}

.page-products .media {
  margin: 0;
}

.page-products .media__item {
  display: block;
  width: 100%;
  height: auto;
  border-radius: var(--radius);
  border: 1px solid var(--line);
  background: var(--c-pitch);
  object-fit: cover;
}

.page-products .media__caption {
  margin-top: 8px;
  font-size: 13px;
  line-height: 1.6;
  color: var(--c-mute);
}

.page-products .pick-guide {
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: rgba(46, 59, 52, 0.45);
  padding: 16px 16px 8px;
}

.page-products .pick-guide__label {
  margin: 0 0 12px;
  font-size: 12px;
  font-weight: 700;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--c-amber);
}

.page-products .pick-guide__list {
  margin: 0;
}

.page-products .pick-guide__row {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 12px;
  padding: 9px 0;
  border-top: 1px solid var(--line-soft);
}
.page-products .pick-guide__row:first-child {
  border-top: 0;
}

.page-products .pick-guide__row dt {
  font-size: 13px;
  line-height: 1.6;
  color: var(--c-mute);
}

.page-products .pick-guide__row dd {
  margin: 0;
  flex: 0 0 auto;
  font-size: 13px;
  font-weight: 700;
  color: var(--c-cyan);
  white-space: nowrap;
}

@media (min-width: 880px) {
  .page-products .products-pick {
    grid-template-columns: minmax(0, 1.45fr) minmax(0, 1fr);
    align-items: start;
    gap: 28px;
    padding-top: 34px;
  }
  .page-products .products-pick__cards {
    gap: 16px;
  }
  .page-products .vcard {
    padding: 20px 22px 18px;
  }
}

/* ---------- 章节通用标题 ---------- */
.page-products .phead {
  margin-bottom: 22px;
}

.page-products .pnum {
  display: inline-block;
  margin-bottom: 8px;
  font-family: var(--font-mono);
  font-weight: 600;
  font-size: 13px;
  letter-spacing: 0.1em;
  color: var(--c-amber);
}

.page-products .ptitle {
  margin: 0 0 10px;
  font-family: var(--font-display);
  font-weight: 800;
  font-size: clamp(26px, 4.4vw, 40px);
  line-height: 1.1;
  letter-spacing: -0.01em;
  color: var(--c-ivory);
}

.page-products .plede {
  margin: 0;
  max-width: 66ch;
  font-size: 15px;
  line-height: 1.78;
  color: var(--c-text);
}

.page-products .pnote {
  margin: 12px 0 0;
  font-size: 13px;
  line-height: 1.7;
  color: var(--c-mute);
}

/* ---------- 功能对照 ---------- */
.page-products .products-compare {
  padding-top: 44px;
  margin-top: 40px;
  border-top: 1px solid var(--line);
}

.page-products .compare-media {
  margin-bottom: 22px;
}

.page-products .compare-scroll {
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: rgba(15, 44, 30, 0.55);
}

.page-products .ptable {
  width: 100%;
  border-collapse: collapse;
  font-size: 14px;
}

.page-products .ptable__caption {
  caption-side: top;
  text-align: left;
  padding: 12px 14px 4px;
  font-size: 12px;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--c-mute);
}

.page-products .ptable th,
.page-products .ptable td {
  padding: 12px 14px;
  text-align: left;
  vertical-align: top;
  line-height: 1.6;
  border-bottom: 1px solid var(--line-soft);
}

.page-products .ptable thead th {
  font-family: var(--font-display);
  font-weight: 800;
  font-size: 15px;
  letter-spacing: 0.02em;
  color: var(--c-ivory);
  background: rgba(46, 59, 52, 0.6);
  border-bottom: 1px solid var(--line);
  white-space: nowrap;
}

.page-products .ptable tbody th[scope="row"] {
  font-weight: 700;
  color: var(--c-cyan);
  white-space: nowrap;
  background: rgba(7, 26, 18, 0.4);
}

.page-products .ptable tbody tr:hover td,
.page-products .ptable tbody tr:hover th[scope="row"] {
  background: rgba(30, 122, 71, 0.18);
}

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

@media (max-width: 760px) {
  .page-products .ptable__caption {
    padding: 12px 12px 0;
  }
  .page-products .ptable thead {
    position: absolute;
    width: 1px;
    height: 1px;
    overflow: hidden;
    clip: rect(0 0 0 0);
    white-space: nowrap;
  }
  .page-products .ptable,
  .page-products .ptable tbody,
  .page-products .ptable tr,
  .page-products .ptable th,
  .page-products .ptable td {
    display: block;
    width: 100%;
  }
  .page-products .ptable tbody tr {
    padding: 6px 0 12px;
    border-bottom: 1px solid var(--line);
  }
  .page-products .ptable tbody tr:last-child {
    border-bottom: 0;
  }
  .page-products .ptable tbody th[scope="row"] {
    background: transparent;
    padding: 12px 12px 6px;
    font-size: 15px;
    border-bottom: 0;
  }
  .page-products .ptable td {
    display: flex;
    gap: 12px;
    padding: 6px 12px;
    border-bottom: 0;
  }
  .page-products .ptable td::before {
    content: attr(data-label);
    flex: 0 0 42%;
    font-size: 12px;
    font-weight: 700;
    letter-spacing: 0.02em;
    color: var(--c-amber);
  }
}

/* ---------- 安装与首次进入 ---------- */
.page-products .products-install {
  padding-top: 44px;
  margin-top: 40px;
  border-top: 1px solid var(--line);
}

.page-products .install-grid {
  display: grid;
  gap: 22px;
}

.page-products .install-tabs .tabs__list {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-bottom: 18px;
}

.page-products .install-tabs .tabs__btn {
  appearance: none;
  cursor: pointer;
  padding: 8px 14px;
  border: 1px solid var(--line);
  border-radius: 999px;
  background: rgba(15, 44, 30, 0.6);
  color: var(--c-mute);
  font-family: var(--font-body);
  font-size: 13px;
  font-weight: 700;
  transition: color 160ms ease, border-color 160ms ease, background 160ms ease;
}
.page-products .install-tabs .tabs__btn:hover {
  color: var(--c-ivory);
  border-color: rgba(79, 227, 193, 0.45);
}
.page-products .install-tabs .tabs__btn[aria-selected="true"] {
  color: var(--c-bg);
  background: var(--c-cyan);
  border-color: var(--c-cyan);
}

.page-products .steps {
  margin: 0;
  padding: 0;
  list-style: none;
  display: grid;
  gap: 2px;
}

.page-products .steps__item {
  position: relative;
  padding: 16px 0 16px 58px;
  border-top: 1px solid var(--line-soft);
}
.page-products .steps__item:first-child {
  border-top: 0;
}

.page-products .steps__item::before {
  content: "";
  position: absolute;
  left: 21px;
  top: 0;
  bottom: 0;
  width: 1px;
  background: var(--line);
}
.page-products .steps__item:first-child::before {
  top: 28px;
}
.page-products .steps__item:last-child::before {
  bottom: auto;
  height: 28px;
}

.page-products .steps__num {
  position: absolute;
  left: 0;
  top: 14px;
  width: 44px;
  font-family: var(--font-mono);
  font-weight: 600;
  font-size: 22px;
  letter-spacing: -0.02em;
  color: var(--c-amber);
  background: var(--c-bg);
  padding: 2px 0;
  text-align: left;
}

.page-products .steps__title {
  margin: 0 0 6px;
  font-family: var(--font-display);
  font-weight: 800;
  font-size: 19px;
  line-height: 1.25;
  color: var(--c-ivory);
}

.page-products .steps__text {
  margin: 0;
  font-size: 14px;
  line-height: 1.75;
  color: var(--c-text);
}

.page-products .install-media {
  align-self: start;
}

@media (min-width: 900px) {
  .page-products .install-grid {
    grid-template-columns: minmax(0, 1.6fr) minmax(0, 1fr);
    gap: 30px;
    align-items: start;
  }
  .page-products .steps__item {
    padding: 20px 0 20px 74px;
  }
  .page-products .steps__num {
    top: 18px;
    width: 58px;
    font-size: 28px;
  }
  .page-products .steps__item::before {
    left: 28px;
  }
}

/* ---------- 设备与网络 ---------- */
.page-products .products-device {
  padding-top: 44px;
  margin-top: 40px;
  border-top: 1px solid var(--line);
}

.page-products .device-media {
  margin: 0 0 20px;
}

.page-products .specs {
  margin: 0;
  border-top: 1px solid var(--line);
}

.page-products .specs__row {
  display: grid;
  gap: 4px;
  padding: 14px 0;
  border-bottom: 1px solid var(--line-soft);
}

.page-products .specs__key {
  font-family: var(--font-mono);
  font-weight: 600;
  font-size: 13px;
  letter-spacing: 0.04em;
  color: var(--c-cyan);
}

.page-products .specs__val {
  margin: 0;
  font-size: 15px;
  line-height: 1.75;
  color: var(--c-text);
}

@media (min-width: 760px) {
  .page-products .specs__row {
    grid-template-columns: 200px minmax(0, 1fr);
    gap: 24px;
    align-items: baseline;
    padding: 18px 0;
  }
}

/* ---------- 版本迭代 ---------- */
.page-products .products-changelog {
  padding-top: 44px;
  margin-top: 40px;
  border-top: 1px solid var(--line);
}

.page-products .changelog-media {
  margin: 0 0 24px;
}

.page-products .changelog {
  margin: 0;
  padding: 0;
  list-style: none;
  display: grid;
  gap: 20px;
}

.page-products .changelog .timeline__item {
  position: relative;
  padding: 0 0 0 22px;
  border-left: 1px solid var(--line);
}

.page-products .changelog .timeline__item::before {
  content: "";
  position: absolute;
  left: -5px;
  top: 6px;
  width: 9px;
  height: 9px;
  border-radius: 50%;
  background: var(--c-amber);
}

.page-products .changelog .timeline__time {
  display: block;
  margin-bottom: 6px;
  font-family: var(--font-mono);
  font-weight: 600;
  font-size: 15px;
  letter-spacing: 0.04em;
  color: var(--c-amber);
}

.page-products .changelog .timeline__title {
  margin: 0 0 6px;
  font-family: var(--font-display);
  font-weight: 800;
  font-size: 20px;
  line-height: 1.3;
  color: var(--c-ivory);
}

.page-products .changelog .timeline__text {
  margin: 0;
  font-size: 14px;
  line-height: 1.78;
  color: var(--c-text);
}

.page-products .maint-note {
  margin-top: 26px;
  padding: 16px 18px;
  border-left: 3px solid var(--c-clay);
  background: rgba(194, 112, 79, 0.1);
  border-radius: 0 var(--radius) var(--radius) 0;
}

.page-products .maint-note__title {
  margin: 0 0 6px;
  font-family: var(--font-display);
  font-weight: 800;
  font-size: 17px;
  color: var(--c-ivory);
}

.page-products .maint-note__text {
  margin: 0;
  font-size: 14px;
  line-height: 1.78;
  color: var(--c-text);
}

@media (min-width: 900px) {
  .page-products .changelog {
    grid-template-columns: repeat(4, minmax(0, 1fr));
    gap: 0;
  }
  .page-products .changelog .timeline__item {
    padding: 24px 22px 0 0;
    border-left: 0;
    border-top: 1px solid var(--line);
  }
  .page-products .changelog .timeline__item::before {
    left: 0;
    top: -5px;
  }
}

/* ---------- 安装问题 ---------- */
.page-products .products-trouble {
  padding-top: 44px;
  margin-top: 40px;
  border-top: 1px solid var(--line);
}

.page-products .panels {
  display: grid;
  gap: 10px;
}

.page-products .panel {
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: rgba(15, 44, 30, 0.55);
  overflow: hidden;
}

.page-products .panel__summary {
  cursor: pointer;
  padding: 14px 16px;
  font-size: 15px;
  font-weight: 700;
  line-height: 1.5;
  color: var(--c-ivory);
  list-style: none;
}
.page-products .panel__summary::-webkit-details-marker {
  display: none;
}
.page-products .panel__summary::after {
  content: "+";
  float: right;
  margin-left: 12px;
  font-family: var(--font-mono);
  font-size: 18px;
  color: var(--c-cyan);
}
.page-products .panel[open] > .panel__summary::after {
  content: "–";
}
.page-products .panel[open] > .panel__summary {
  border-bottom: 1px solid var(--line-soft);
  background: rgba(30, 122, 71, 0.14);
}

.page-products .panel__body {
  padding: 14px 16px 16px;
}
.page-products .panel__body p {
  margin: 0;
  font-size: 14px;
  line-height: 1.78;
  color: var(--c-text);
}

/* ---------- 联络框 ---------- */
.page-products .contact-box {
  margin-top: 26px;
  padding: 20px 18px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: linear-gradient(135deg, rgba(20, 70, 58, 0.7) 0%, rgba(15, 44, 30, 0.85) 100%);
}

.page-products .contact-box__title {
  margin: 0 0 8px;
  font-family: var(--font-display);
  font-weight: 800;
  font-size: 20px;
  color: var(--c-ivory);
}

.page-products .contact-box__text {
  margin: 0 0 16px;
  font-size: 14px;
  line-height: 1.78;
  color: var(--c-text);
}

.page-products .contact-box__links {
  margin: 0;
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
}
.page-products .contact-box__links .btn {
  text-decoration: none;
}