.page-products {
  --pp-lead: #C6DAD3;
  --pp-card: rgba(13, 48, 41, 0.78);
  --pp-well: rgba(7, 28, 24, 0.62);
  background: var(--ink);
  color: var(--paper);
  font-family: var(--font-body);
  padding-bottom: 10px;
}

/* 面包屑 */
.page-products .breadcrumb {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 18px 0 8px;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.08em;
  color: var(--muted);
}
.page-products .breadcrumb__item {
  color: var(--muted);
  text-decoration: none;
  transition: color 0.2s var(--ease);
}
.page-products a.breadcrumb__item:hover,
.page-products a.breadcrumb__item:focus-visible {
  color: var(--cyan);
}
.page-products .breadcrumb__item--current {
  color: var(--cyan-soft);
}
.page-products .breadcrumb__sep {
  color: var(--line);
}

/* 首屏 */
.page-products .plan-hero {
  padding: 12px 0 34px;
  border-bottom: 1px solid var(--line);
}
.page-products .plan-hero__grid {
  display: grid;
  gap: 26px;
}
.page-products .plan-hero__copy {
  min-width: 0;
}
.page-products .plan-tag {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  margin: 4px 0 0;
  padding: 7px 15px;
  border: 1px solid var(--line);
  border-radius: var(--radius-pill);
  background: var(--pp-well);
  font-family: var(--font-mono);
  font-size: 11.5px;
  letter-spacing: 0.1em;
  color: var(--cyan-soft);
}
.page-products .plan-tag::before {
  content: "";
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--cyan);
}
.page-products .plan-hero h1 {
  margin: 16px 0 0;
  font-family: var(--font-display);
  font-weight: 900;
  font-size: clamp(32px, 8.4vw, 44px);
  line-height: 1.08;
  letter-spacing: -0.02em;
}
.page-products .plan-hero h1 em {
  font-style: normal;
  color: var(--cyan);
}
.page-products .plan-hero__lead {
  margin: 16px 0 0;
  max-width: 60ch;
  font-size: 15.5px;
  line-height: 1.78;
  color: var(--pp-lead);
}
.page-products .plan-hero__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-top: 22px;
}

/* 首屏数据条 */
.page-products .plan-stats {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 1px;
  border: 1px solid var(--line);
  border-radius: var(--radius-lg);
  background: var(--line);
  overflow: hidden;
}
.page-products .plan-stats__cell {
  background: var(--pp-card);
  padding: 16px 14px 15px;
}
.page-products .plan-stats__num {
  display: block;
  font-family: var(--font-mono);
  font-size: 30px;
  line-height: 1;
  color: var(--cyan);
}
.page-products .plan-stats__label {
  display: block;
  margin-top: 9px;
  font-size: 12.5px;
  line-height: 1.6;
  color: var(--muted);
}

/* 主体骨架 */
.page-products .plan-body {
  padding: 26px 0 44px;
}
.page-products .plan-body__grid {
  display: grid;
  gap: 24px;
}
.page-products .plan-index {
  display: flex;
  gap: 8px;
  overflow-x: auto;
  padding-bottom: 6px;
  scrollbar-width: none;
}
.page-products .plan-index::-webkit-scrollbar {
  display: none;
}
.page-products .plan-index__pill {
  flex: 0 0 auto;
  padding: 9px 16px;
  border: 1px solid var(--line);
  border-radius: var(--radius-pill);
  background: var(--pp-well);
  color: var(--muted);
  font-size: 13px;
  white-space: nowrap;
  text-decoration: none;
  transition: color 0.2s var(--ease), background 0.2s var(--ease), border-color 0.2s var(--ease);
}
.page-products .plan-index__pill:hover,
.page-products .plan-index__pill:focus-visible {
  color: var(--ink);
  background: var(--cyan);
  border-color: var(--cyan);
}

.page-products .plan-flow {
  display: grid;
  gap: 22px;
  min-width: 0;
}

/* 功能模块卡 */
.page-products .plan-mod {
  position: relative;
  overflow: hidden;
  border: 1px solid var(--line);
  border-radius: var(--radius-lg);
  background: linear-gradient(180deg, rgba(13, 48, 41, 0.88), rgba(7, 28, 24, 0.94));
  padding: 22px 18px 24px;
}
.page-products .plan-mod::after {
  content: "";
  position: absolute;
  top: -46px;
  right: -46px;
  width: 150px;
  height: 150px;
  background: linear-gradient(135deg, transparent 45%, rgba(0, 229, 195, 0.16) 47%, transparent 62%);
  transform: rotate(-8deg);
  pointer-events: none;
}
.page-products .plan-mod__tag {
  margin: 0;
  font-family: var(--font-mono);
  font-size: 11.5px;
  letter-spacing: 0.12em;
  color: var(--cyan);
}
.page-products .plan-mod h2 {
  margin: 12px 0 10px;
  font-family: var(--font-display);
  font-weight: 800;
  font-size: 24px;
  line-height: 1.2;
  letter-spacing: -0.01em;
  color: var(--paper);
}
.page-products .plan-mod__intro {
  margin: 0;
  font-size: 15px;
  line-height: 1.78;
  color: var(--pp-lead);
}
.page-products .plan-mod__note {
  margin: 16px 0 0;
  padding-top: 14px;
  border-top: 1px dashed var(--line);
  font-size: 13.5px;
  line-height: 1.7;
  color: var(--muted);
}

/* 图片 */
.page-products .plan-figure {
  margin: 20px 0 0;
}
.page-products .plan-figure img {
  display: block;
  width: 100%;
  max-width: 100%;
  height: auto;
  border-radius: var(--radius-md);
  border: 1px solid var(--line);
  object-fit: cover;
}
.page-products .plan-figure__caption {
  margin-top: 10px;
  font-family: var(--font-mono);
  font-size: 11.5px;
  letter-spacing: 0.06em;
  color: var(--muted);
}

/* 要点列表 */
.page-products .plan-points {
  list-style: none;
  margin: 18px 0 0;
  padding: 0;
  display: grid;
  gap: 10px;
}
.page-products .plan-points li {
  position: relative;
  padding-left: 20px;
  font-size: 14.5px;
  line-height: 1.7;
  color: #BED2CB;
}
.page-products .plan-points li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 10px;
  width: 10px;
  height: 2px;
  border-radius: var(--radius-pill);
  background: var(--cyan);
}

/* 红黄牌图例 */
.page-products .plan-legend {
  display: grid;
  gap: 9px;
  margin-top: 18px;
}
.page-products .plan-legend__row {
  display: grid;
  grid-template-columns: 14px minmax(0, auto) minmax(0, 1fr);
  align-items: center;
  gap: 12px;
  padding: 12px 14px;
  border: 1px solid var(--line);
  border-radius: var(--radius-md);
  background: var(--pp-well);
}
.page-products .plan-legend__mark {
  width: 12px;
  height: 18px;
  border-radius: 3px;
}
.page-products .plan-legend__mark--yellow {
  background: var(--warn);
}
.page-products .plan-legend__mark--red {
  background: var(--red);
}
.page-products .plan-legend__mark--cyan {
  background: var(--cyan);
  height: 8px;
  align-self: center;
}
.page-products .plan-legend__name {
  font-size: 14px;
  font-weight: 600;
  color: var(--paper);
}
.page-products .plan-legend__desc {
  font-size: 13px;
  line-height: 1.6;
  color: var(--muted);
}

/* 时间轴轨道 */
.page-products .plan-rail {
  margin-top: 20px;
  padding: 20px 16px 16px;
  border: 1px solid var(--line);
  border-radius: var(--radius-md);
  background: var(--pp-well);
}
.page-products .plan-rail__track {
  position: relative;
  height: 6px;
  border-radius: var(--radius-pill);
  background: linear-gradient(90deg, var(--cyan-dim), var(--cyan) 62%, var(--cyan-soft));
}
.page-products .plan-rail__marker {
  position: absolute;
  top: 50%;
  width: 14px;
  height: 14px;
  margin-top: -7px;
  border-radius: 50%;
  background: var(--ink);
  border: 3px solid var(--cyan);
}
.page-products .plan-rail__marker:nth-child(1) {
  left: 12%;
}
.page-products .plan-rail__marker--warn {
  left: 46%;
  border-color: var(--warn);
}
.page-products .plan-rail__marker--soft {
  left: 78%;
  border-color: var(--cyan-soft);
}
.page-products .plan-rail__legend {
  list-style: none;
  display: grid;
  gap: 9px;
  margin: 16px 0 0;
  padding: 0;
  font-size: 13px;
  color: var(--pp-lead);
}
.page-products .plan-rail__legend li {
  display: flex;
  align-items: center;
  gap: 9px;
}
.page-products .plan-dot {
  width: 9px;
  height: 9px;
  border-radius: 50%;
  flex: none;
}
.page-products .plan-dot--cyan {
  background: var(--cyan);
}
.page-products .plan-dot--warn {
  background: var(--warn);
}
.page-products .plan-dot--soft {
  background: var(--cyan-soft);
}

/* 专家专栏分区 */
.page-products .plan-zones {
  display: grid;
  gap: 10px;
  margin-top: 18px;
}
.page-products .plan-zone {
  border: 1px solid var(--line);
  border-radius: var(--radius-md);
  background: var(--pp-well);
  overflow: hidden;
}
.page-products .plan-zone summary {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  padding: 14px 16px;
  cursor: pointer;
  list-style: none;
  font-size: 14.5px;
  font-weight: 600;
  color: var(--paper);
  transition: color 0.2s var(--ease), background 0.2s var(--ease);
}
.page-products .plan-zone summary::-webkit-details-marker {
  display: none;
}
.page-products .plan-zone summary:hover,
.page-products .plan-zone summary:focus-visible {
  color: var(--cyan);
  background: rgba(0, 229, 195, 0.06);
}
.page-products .plan-zone[open] summary {
  color: var(--cyan);
  border-bottom: 1px solid var(--line);
}
.page-products .plan-zone__count {
  font-family: var(--font-mono);
  font-size: 11.5px;
  letter-spacing: 0.06em;
  color: var(--muted);
  white-space: nowrap;
}
.page-products .plan-zone p {
  margin: 0;
  padding: 14px 16px 16px;
  font-size: 14px;
  line-height: 1.75;
  color: var(--pp-lead);
}

/* 移动端宽度条 */
.page-products .plan-widths {
  display: grid;
  gap: 10px;
  margin-top: 20px;
}
.page-products .plan-widths__item {
  display: grid;
  grid-template-columns: auto auto minmax(0, 1fr);
  align-items: baseline;
  gap: 10px;
  padding: 16px 14px;
  border: 1px solid var(--line);
  border-radius: var(--radius-md);
  background: var(--pp-well);
}
.page-products .plan-widths__num {
  font-family: var(--font-mono);
  font-size: 30px;
  line-height: 1;
  color: var(--warn);
}
.page-products .plan-widths__unit {
  font-family: var(--font-mono);
  font-size: 12px;
  color: var(--muted);
}
.page-products .plan-widths__desc {
  grid-column: 1 / -1;
  font-size: 13.5px;
  line-height: 1.65;
  color: var(--pp-lead);
}

/* 结尾导流 */
.page-products .plan-next {
  border-top: 1px solid var(--line);
  background: linear-gradient(180deg, rgba(7, 28, 24, 0.4), rgba(0, 140, 122, 0.14));
}
.page-products .plan-next__inner {
  display: grid;
  gap: 22px;
  padding: 34px 0 44px;
}
.page-products .plan-next h2 {
  margin: 10px 0 10px;
  font-family: var(--font-display);
  font-weight: 800;
  font-size: 26px;
  line-height: 1.2;
  color: var(--paper);
}
.page-products .plan-next p {
  margin: 0;
  max-width: 60ch;
  font-size: 15px;
  line-height: 1.78;
  color: var(--pp-lead);
}
.page-products .plan-next__links {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 10px;
}
.page-products .plan-next__links a {
  display: block;
  padding: 14px 18px;
  border: 1px solid var(--line);
  border-radius: var(--radius-pill);
  background: var(--pp-card);
  color: var(--paper);
  font-size: 14.5px;
  text-decoration: none;
  transition: border-color 0.2s var(--ease), color 0.2s var(--ease), transform 0.2s var(--ease);
}
.page-products .plan-next__links a:hover,
.page-products .plan-next__links a:focus-visible {
  border-color: var(--cyan);
  color: var(--cyan);
  transform: translateY(-2px);
}

/* 焦点环统一 */
.page-products a:focus-visible,
.page-products summary:focus-visible {
  outline: 2px solid var(--cyan);
  outline-offset: 2px;
}

@media (min-width: 640px) {
  .page-products .plan-hero {
    padding: 18px 0 44px;
  }
  .page-products .plan-hero__grid {
    grid-template-columns: minmax(0, 1fr);
    gap: 32px;
  }
  .page-products .plan-stats {
    grid-template-columns: repeat(4, minmax(0, 1fr));
  }
  .page-products .plan-stats__num {
    font-size: 34px;
  }
  .page-products .plan-mod {
    padding: 28px 26px 30px;
  }
  .page-products .plan-mod h2 {
    font-size: 28px;
  }
  .page-products .plan-rail__legend {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }
  .page-products .plan-legend__row {
    grid-template-columns: 14px minmax(0, 120px) minmax(0, 1fr);
  }
  .page-products .plan-next__inner {
    grid-template-columns: minmax(0, 1fr) minmax(0, 300px);
    align-items: center;
    gap: 34px;
  }
  .page-products .plan-next__links {
    grid-template-columns: minmax(0, 1fr);
  }
}

@media (min-width: 900px) {
  .page-products .plan-body__grid {
    grid-template-columns: 216px minmax(0, 1fr);
    gap: 42px;
    align-items: start;
  }
  .page-products .plan-index {
    flex-direction: column;
    overflow: visible;
    position: sticky;
    top: 104px;
    padding: 4px 0 0;
    gap: 8px;
  }
  .page-products .plan-index__pill {
    text-align: left;
  }
  .page-products .plan-mod {
    padding: 34px 34px 36px;
  }
  .page-products .plan-mod h2 {
    font-size: 32px;
  }
  .page-products .plan-figure--band img {
    aspect-ratio: 16 / 7;
  }
  .page-products .plan-zones {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
  .page-products .plan-next__links {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

@media (min-width: 1200px) {
  .page-products .plan-hero h1 {
    font-size: 72px;
    max-width: 16ch;
  }
  .page-products .plan-hero__grid {
    grid-template-columns: minmax(0, 1fr) minmax(0, 400px);
    align-items: end;
    gap: 48px;
  }
  .page-products .plan-stats {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
  .page-products .plan-stats__num {
    font-size: 44px;
  }
  .page-products .plan-mod h2 {
    font-size: 36px;
    max-width: 24ch;
  }
  .page-products .plan-next h2 {
    font-size: 34px;
  }
}