.page-products {
  color: var(--ly-text);
  font-family: var(--ly-font-body);
}

.page-products .pc-open {
  padding: 10px 0 0;
}

.page-products .pc-open h1 {
  margin: 14px 0 0;
  max-width: 15ch;
  font-family: var(--ly-font-display);
  font-size: clamp(2.4rem, 5.5vw, 4.6rem);
  font-weight: 700;
  line-height: 1.04;
  letter-spacing: -0.01em;
  color: var(--ly-ink);
}

.page-products .pc-open__lead {
  margin: 20px 0 0;
  max-width: 62ch;
  font-size: 1.02rem;
  line-height: 1.85;
  color: var(--ly-text);
}

.page-products .pc-metrics {
  list-style: none;
  margin: 32px 0 0;
  padding: 0;
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 18px 12px;
}

.page-products .pc-metric {
  padding-left: 14px;
  border-left: 2px solid var(--ly-line);
}

.page-products .pc-metric:first-child {
  border-left-color: var(--ly-cyan);
}

.page-products .pc-metric b {
  display: block;
  font-family: var(--ly-font-mono);
  font-size: clamp(1.5rem, 3.2vw, 2rem);
  font-weight: 600;
  line-height: 1.1;
  color: var(--ly-ink);
}

.page-products .pc-metric:first-child b {
  color: var(--ly-cyan);
}

.page-products .pc-metric span {
  display: block;
  margin-top: 6px;
  font-size: 0.78rem;
  letter-spacing: 0.06em;
  color: var(--ly-text);
}

/* 双列骨架：左侧目录 + 右侧内容 */
.page-products .pc-layout {
  display: grid;
  gap: 32px;
  margin-top: 44px;
}

.page-products .pc-layout > *,
.page-products .pc-split > * {
  min-width: 0;
}

.page-products .pc-index {
  padding: 0;
}

.page-products .pc-index__nav {
  display: flex;
  gap: 8px;
  margin-top: 12px;
  padding: 2px 2px 10px;
  overflow-x: auto;
  -webkit-overflow-scrolling: touch;
  scrollbar-width: thin;
}

.page-products .pc-index__nav::-webkit-scrollbar {
  height: 4px;
}

.page-products .pc-index__nav::-webkit-scrollbar-thumb {
  background: var(--ly-line);
  border-radius: 4px;
}

.page-products .pc-index__link {
  display: inline-flex;
  align-items: baseline;
  gap: 8px;
  flex: 0 0 auto;
  padding: 8px 14px;
  border: 1px solid var(--ly-line);
  border-radius: 999px;
  font-size: 0.86rem;
  line-height: 1.2;
  white-space: nowrap;
  text-decoration: none;
  color: var(--ly-text);
  background: rgba(11, 35, 56, 0.5);
  transition: color var(--ly-dur), border-color var(--ly-dur), background var(--ly-dur);
}

.page-products .pc-index__link:hover,
.page-products .pc-index__link:focus-visible {
  color: var(--ly-cyan);
  border-color: var(--ly-cyan);
  background: rgba(0, 239, 196, 0.08);
}

.page-products .pc-index__num {
  font-family: var(--ly-font-mono);
  font-size: 0.7rem;
  letter-spacing: 0.08em;
  color: var(--ly-cyan);
  opacity: 0.85;
}

/* 章节 */
.page-products .pc-section {
  scroll-margin-top: 84px;
}

.page-products .pc-section + .pc-section {
  margin-top: 40px;
  padding-top: 40px;
  border-top: 1px solid var(--ly-line);
}

.page-products .pc-section h2 {
  margin: 8px 0 0;
  max-width: 26ch;
  font-family: var(--ly-font-display);
  font-size: clamp(1.4rem, 2.6vw, 2.2rem);
  font-weight: 700;
  line-height: 1.26;
  letter-spacing: -0.005em;
  color: var(--ly-ink);
}

.page-products .pc-section h3 {
  margin: 0 0 6px;
  font-family: var(--ly-font-display);
  font-size: 1.02rem;
  font-weight: 700;
  letter-spacing: 0.02em;
  color: var(--ly-ink);
}

.page-products .pc-text {
  margin: 16px 0 0;
  max-width: 68ch;
  font-size: 0.96rem;
  line-height: 1.82;
  color: var(--ly-text);
}

.page-products .pc-text a,
.page-products .pc-link {
  color: var(--ly-blue);
  text-decoration: none;
  border-bottom: 1px solid rgba(43, 184, 255, 0.4);
  transition: color var(--ly-dur), border-color var(--ly-dur);
}

.page-products .pc-text a:hover,
.page-products .pc-link:hover {
  color: var(--ly-cyan);
  border-bottom-color: var(--ly-cyan);
}

.page-products .pc-link {
  display: inline-block;
  margin-top: 20px;
  font-size: 0.92rem;
}

/* 图片容器 */
.page-products .ly-media {
  margin: 22px 0 0;
  border-radius: var(--ly-radius);
  overflow: hidden;
  border: 1px solid var(--ly-line);
}

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

.page-products .pc-media-narrow {
  max-width: 520px;
  margin-left: auto;
  margin-right: auto;
}

/* 两栏细分 */
.page-products .pc-split {
  display: grid;
  gap: 24px;
  margin-top: 6px;
}

/* 三步流程 */
.page-products .pc-flow {
  list-style: none;
  margin: 28px 0 0;
  padding: 0;
  display: grid;
  gap: 24px;
}

.page-products .pc-flow__step {
  position: relative;
  padding: 20px 18px 22px;
  border: 1px solid var(--ly-line);
  border-radius: var(--ly-radius);
  background: linear-gradient(165deg, rgba(11, 35, 56, 0.92), rgba(5, 19, 31, 0.55));
  transition: border-color var(--ly-dur);
}

.page-products .pc-flow__step:hover {
  border-color: rgba(0, 239, 196, 0.5);
}

.page-products .pc-flow__num {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 34px;
  height: 34px;
  border: 1px solid var(--ly-cyan);
  border-radius: 50%;
  font-family: var(--ly-font-mono);
  font-size: 0.84rem;
  font-weight: 600;
  color: var(--ly-cyan);
}

.page-products .pc-flow__step h3 {
  margin: 14px 0 6px;
}

.page-products .pc-flow__step p {
  margin: 0;
  font-size: 0.9rem;
  line-height: 1.75;
  color: var(--ly-text);
}

/* 规格清单 */
.page-products .pc-spec {
  list-style: none;
  margin: 20px 0 0;
  padding: 0;
}

.page-products .pc-spec li {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 14px;
  padding: 10px 0;
  border-bottom: 1px dashed rgba(23, 58, 90, 0.9);
  font-size: 0.88rem;
}

.page-products .pc-spec li:last-child {
  border-bottom: 0;
}

.page-products .pc-spec span {
  color: var(--ly-text);
}

.page-products .pc-spec b {
  font-family: var(--ly-font-mono);
  font-weight: 600;
  color: var(--ly-ink);
  white-space: nowrap;
}

/* 联赛标签横条 */
.page-products .pc-chipbar {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-top: 20px;
}

.page-products .pc-chip {
  padding: 6px 14px;
  border: 1px solid var(--ly-line);
  border-radius: 999px;
  font-size: 0.84rem;
  line-height: 1.4;
  color: var(--ly-text);
  background: rgba(11, 35, 56, 0.7);
}

.page-products .pc-chip--on {
  border-color: var(--ly-cyan);
  color: var(--ly-cyan);
  background: rgba(0, 239, 196, 0.09);
}

.page-products .pc-chip--more {
  border-style: dashed;
  border-color: rgba(43, 184, 255, 0.6);
  color: var(--ly-blue);
}

/* 时间轴 */
.page-products .pc-track {
  list-style: none;
  margin: 22px 0 0;
  padding: 0 0 0 2px;
}

.page-products .pc-track li {
  position: relative;
  padding: 0 0 18px 22px;
  border-left: 1px solid var(--ly-line);
  font-size: 0.9rem;
  line-height: 1.75;
  color: var(--ly-text);
}

.page-products .pc-track li:last-child {
  padding-bottom: 0;
}

.page-products .pc-track li::before {
  content: "";
  position: absolute;
  left: -4.5px;
  top: 8px;
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--ly-cyan);
  box-shadow: 0 0 0 3px rgba(0, 239, 196, 0.16);
}

/* 并排对照 */
.page-products .pc-diff {
  margin-top: 24px;
  border: 1px solid var(--ly-line);
  border-radius: var(--ly-radius);
  background: linear-gradient(180deg, rgba(11, 35, 56, 0.72), rgba(5, 19, 31, 0.35));
  overflow: hidden;
}

.page-products .pc-diff__head {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(0, 1fr);
  gap: 14px;
  padding: 12px 16px;
  border-bottom: 1px solid var(--ly-line);
  font-family: var(--ly-font-display);
  font-size: 0.76rem;
  letter-spacing: 0.14em;
  color: var(--ly-text);
}

.page-products .pc-diff__head span:first-child {
  opacity: 0.72;
}

.page-products .pc-diff__head span:last-child {
  color: var(--ly-cyan);
}

.page-products .pc-diff__rows {
  list-style: none;
  margin: 0;
  padding: 0;
}

.page-products .pc-diff__row {
  position: relative;
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(0, 1fr);
  gap: 14px;
  padding: 15px 16px;
  border-bottom: 1px solid rgba(23, 58, 90, 0.55);
}

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

.page-products .pc-diff__row::after {
  content: "";
  position: absolute;
  left: 50%;
  top: 13px;
  bottom: 13px;
  width: 1px;
  background: rgba(23, 58, 90, 0.75);
}

.page-products .pc-diff__cell {
  font-size: 0.88rem;
  line-height: 1.72;
}

.page-products .pc-diff__cell:first-child {
  color: rgba(159, 182, 202, 0.7);
}

.page-products .pc-diff__cell:last-child {
  color: var(--ly-ink);
}

.page-products .pc-diff__cell .ly-tag {
  margin-left: 8px;
  vertical-align: middle;
}

/* 专栏栏目网格 */
.page-products .pc-cols {
  list-style: none;
  display: grid;
  gap: 1px;
  margin: 24px 0 0;
  padding: 0;
  border: 1px solid var(--ly-line);
  border-radius: var(--ly-radius);
  background: var(--ly-line);
  overflow: hidden;
}

.page-products .pc-cols__item {
  padding: 20px 18px 22px;
  background: linear-gradient(180deg, rgba(11, 35, 56, 0.88), rgba(5, 19, 31, 0.72));
  transition: background var(--ly-dur);
}

.page-products .pc-cols__item:hover {
  background: linear-gradient(180deg, rgba(11, 35, 56, 1), rgba(5, 19, 31, 0.86));
}

.page-products .pc-cols__num {
  display: block;
  font-family: var(--ly-font-mono);
  font-size: 0.72rem;
  letter-spacing: 0.18em;
  color: var(--ly-cyan);
  opacity: 0.88;
}

.page-products .pc-cols__item h3 {
  margin: 10px 0 6px;
}

.page-products .pc-cols__item p {
  margin: 0;
  font-size: 0.88rem;
  line-height: 1.75;
  color: var(--ly-text);
}

/* 标签页 */
.page-products .pc-tabbar {
  position: relative;
  display: inline-flex;
  gap: 4px;
  margin-top: 22px;
  padding: 4px;
  border: 1px solid var(--ly-line);
  border-radius: 999px;
  background: rgba(11, 35, 56, 0.72);
}

.page-products .pc-tabbar .ly-tab {
  position: relative;
  z-index: 1;
  padding: 8px 20px;
  border: 0;
  border-radius: 999px;
  background: transparent;
  color: var(--ly-text);
  font-family: inherit;
  font-size: 0.9rem;
  cursor: pointer;
  transition: color var(--ly-dur);
}

.page-products .pc-tabbar .ly-tab[aria-selected="true"] {
  color: var(--ly-cyan);
  font-weight: 600;
}

.page-products .pc-tabbar .ly-tabs__indicator {
  position: absolute;
  top: 4px;
  left: 4px;
  height: calc(100% - 8px);
  border-radius: 999px;
  background: rgba(0, 239, 196, 0.14);
  box-shadow: inset 0 0 0 1px rgba(0, 239, 196, 0.5);
  pointer-events: none;
  z-index: 0;
  transition: transform var(--ly-dur), width var(--ly-dur);
}

.page-products .ly-tabpanel {
  padding-top: 18px;
}

/* 折叠面板 */
.page-products .ly-fold {
  margin-top: 20px;
  border: 1px solid var(--ly-line);
  border-radius: var(--ly-radius);
  background: rgba(11, 35, 56, 0.55);
  overflow: hidden;
}

.page-products .ly-fold__trigger {
  position: relative;
  width: 100%;
  padding: 14px 44px 14px 16px;
  border: 0;
  background: transparent;
  text-align: left;
  font-family: var(--ly-font-display);
  font-size: 0.95rem;
  letter-spacing: 0.02em;
  color: var(--ly-ink);
  cursor: pointer;
}

.page-products .ly-fold__trigger::after {
  content: "+";
  position: absolute;
  right: 16px;
  top: 50%;
  transform: translateY(-50%);
  font-family: var(--ly-font-mono);
  font-size: 1.1rem;
  color: var(--ly-cyan);
}

.page-products .ly-fold__trigger[aria-expanded="true"]::after {
  content: "−";
}

.page-products .ly-fold__panel {
  padding: 0 16px 16px;
  font-size: 0.9rem;
  line-height: 1.78;
  color: var(--ly-text);
}

.page-products .ly-fold__panel p {
  margin: 0;
}

/* 适用人群 */
.page-products .pc-who {
  list-style: none;
  margin: 24px 0 0;
  padding: 0;
  display: grid;
  gap: 14px;
}

.page-products .pc-who__item {
  padding: 20px 18px 22px;
  border: 1px solid var(--ly-line);
  border-radius: var(--ly-radius);
  background: linear-gradient(170deg, rgba(11, 35, 56, 0.82), rgba(5, 19, 31, 0.5));
}

.page-products .pc-who__item h3 {
  margin: 12px 0 8px;
}

.page-products .pc-who__item p {
  margin: 0;
  font-size: 0.88rem;
  line-height: 1.76;
  color: var(--ly-text);
}

/* 收尾行动区 */
.page-products .pc-cta {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 18px;
  margin-top: 36px;
  padding: 24px 22px;
  border: 1px solid rgba(0, 239, 196, 0.34);
  border-radius: var(--ly-radius);
  background:
    radial-gradient(120% 140% at 100% 0%, rgba(43, 184, 255, 0.15), transparent 62%),
    linear-gradient(160deg, rgba(11, 35, 56, 0.95), rgba(5, 19, 31, 0.75));
}

.page-products .pc-cta p {
  margin: 0;
  max-width: 46ch;
  font-size: 0.98rem;
  line-height: 1.72;
  color: var(--ly-ink);
}

.page-products .pc-cta__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
}

/* 平板及以上 */
@media (min-width: 640px) {
  .page-products .pc-cols {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

@media (min-width: 768px) {
  .page-products .pc-metrics {
    grid-template-columns: repeat(4, minmax(0, 1fr));
    gap: 12px;
  }

  .page-products .pc-flow {
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 32px;
  }

  .page-products .pc-flow__step:not(:last-child)::after {
    content: "";
    position: absolute;
    top: 36px;
    right: -25px;
    width: 18px;
    height: 1px;
    background: linear-gradient(90deg, rgba(0, 239, 196, 0.12), var(--ly-cyan));
  }

  .page-products .pc-flow__step:not(:last-child)::before {
    content: "";
    position: absolute;
    top: 32px;
    right: -32px;
    width: 0;
    height: 0;
    border-left: 6px solid var(--ly-cyan);
    border-top: 5px solid transparent;
    border-bottom: 5px solid transparent;
  }

  .page-products .pc-who {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }
}

@media (min-width: 900px) {
  .page-products .pc-split {
    grid-template-columns: minmax(0, 1.05fr) minmax(0, 0.95fr);
    gap: 36px;
    align-items: start;
  }
}

/* 桌面端：侧边目录吸附 */
@media (min-width: 1024px) {
  .page-products .pc-layout {
    grid-template-columns: 208px minmax(0, 1fr);
    gap: 56px;
    align-items: start;
  }

  .page-products .pc-index {
    position: sticky;
    top: 28px;
  }

  .page-products .pc-index__nav {
    flex-direction: column;
    gap: 4px;
    overflow: visible;
    padding: 0;
  }

  .page-products .pc-index__link {
    border: 0;
    border-radius: 8px;
    padding: 9px 10px;
    background: transparent;
    font-size: 0.9rem;
  }

  .page-products .pc-index__link:hover,
  .page-products .pc-index__link:focus-visible {
    background: rgba(0, 239, 196, 0.07);
  }
}

@media (min-width: 1280px) {
  .page-products .pc-cols {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }

  .page-products .pc-section h2 {
    max-width: 30ch;
  }
}

/* 窄屏：对照表堆叠 */
@media (max-width: 719px) {
  .page-products .pc-diff__head {
    display: none;
  }

  .page-products .pc-diff__row {
    grid-template-columns: minmax(0, 1fr);
    gap: 8px;
  }

  .page-products .pc-diff__row::after {
    display: none;
  }

  .page-products .pc-cta {
    padding: 20px 18px;
  }
}
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