.page-products {
  --pp-gap: clamp(20px, 3vw, 34px);
}

/* ---------- 面包屑与首屏 ---------- */
.page-products .breadcrumb {
  padding-top: clamp(18px, 3vw, 30px);
}

.page-products .prod-hero {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: clamp(22px, 3.4vw, 40px);
  padding: clamp(20px, 3.6vw, 40px) 0 clamp(26px, 4vw, 46px);
}

.page-products .prod-hero__eyebrow {
  margin: 0 0 12px;
  font-size: 12px;
  letter-spacing: .18em;
  text-transform: uppercase;
  color: var(--c-cyan);
}

.page-products .prod-hero__title {
  margin: 0;
  font-size: clamp(28px, 5vw, 46px);
  line-height: 1.22;
  letter-spacing: -.01em;
  color: var(--c-white);
}

.page-products .prod-hero__lead {
  margin: 18px 0 0;
  max-width: 40em;
  font-size: 16px;
  line-height: 1.8;
  color: var(--c-text);
}

.page-products .prod-hero__side {
  position: relative;
  padding: 18px 20px;
  background: linear-gradient(150deg, rgba(34, 224, 255, .10), rgba(10, 46, 78, .32) 58%, rgba(6, 11, 26, .2));
  border: var(--frame-w) solid var(--c-line);
  box-shadow: var(--shadow-hard);
}

.page-products .prod-hero__side::after {
  content: "";
  position: absolute;
  inset: 6px -6px -6px 6px;
  border-right: var(--frame-w) solid var(--c-cyan);
  border-bottom: var(--frame-w) solid var(--c-cyan);
  opacity: .28;
  pointer-events: none;
}

.page-products .prod-hero__side-title {
  margin: 0 0 14px;
  font-size: 12px;
  letter-spacing: .14em;
  color: var(--c-cyan);
}

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

.page-products .prod-hero__role {
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  justify-content: space-between;
  gap: 6px 14px;
  padding: 10px 2px;
  border-bottom: 1px solid rgba(42, 58, 92, .7);
}

.page-products .prod-hero__role:last-child {
  border-bottom: 0;
}

.page-products .prod-hero__role-name {
  font-size: 14px;
  color: var(--c-text);
}

.page-products .prod-hero__role-link {
  position: relative;
  font-size: 13px;
  color: var(--c-orange);
  text-decoration: none;
  border-bottom: 1px solid transparent;
}

.page-products .prod-hero__role-link:hover,
.page-products .prod-hero__role-link:focus-visible {
  color: var(--c-orange-soft);
  border-bottom-color: var(--c-orange-soft);
}

/* ---------- 模块索引条 ---------- */
.page-products .prod-rail {
  position: sticky;
  top: 0;
  z-index: 20;
  background: linear-gradient(180deg, rgba(6, 11, 26, .97), rgba(6, 11, 26, .84));
  border-top: 1px solid var(--c-line);
  border-bottom: var(--frame-w) solid var(--c-cyan);
}

.page-products .prod-rail__inner {
  max-width: var(--layout-max);
  margin-inline: auto;
  padding: 0 var(--pad-x);
  overflow-x: auto;
  -webkit-overflow-scrolling: touch;
}

.page-products .prod-rail .rail__track {
  display: flex;
  align-items: center;
  gap: 4px;
  padding: 9px 0;
  min-width: max-content;
}

.page-products .prod-rail .rail__link {
  display: inline-block;
  white-space: nowrap;
  padding: 7px 12px;
  font-size: 13px;
  color: var(--c-muted);
  text-decoration: none;
  border: 1px solid transparent;
}

.page-products .prod-rail .rail__link:hover,
.page-products .prod-rail .rail__link:focus-visible {
  color: var(--c-white);
  border-color: var(--c-line);
}

.page-products .prod-rail .rail__link[aria-current="true"] {
  color: var(--c-ink-900);
  background: var(--c-cyan);
  border-color: var(--c-cyan);
  font-weight: 700;
}

/* ---------- 通用模块骨架 ---------- */
.page-products .prod-mod {
  position: relative;
  padding: clamp(34px, 5.4vw, 68px) 0;
  border-top: 1px solid var(--c-line);
}

.page-products .prod-mod::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0;
  width: 2px;
  height: clamp(46px, 7vw, 86px);
  background: linear-gradient(180deg, var(--c-cyan), rgba(34, 224, 255, 0));
}

.page-products .prod-mod--accent::before {
  background: linear-gradient(180deg, var(--c-orange), rgba(255, 122, 26, 0));
}

.page-products .prod-mod__head {
  max-width: 48em;
  margin-bottom: var(--pp-gap);
}

.page-products .prod-mod__index {
  margin: 0;
  font-size: 12px;
  letter-spacing: .14em;
  color: var(--c-cyan);
}

.page-products .prod-mod--accent .prod-mod__index {
  color: var(--c-orange);
}

.page-products .prod-mod__label {
  margin: 10px 0 0;
  display: inline-block;
  padding: 4px 10px;
  font-size: 12px;
  letter-spacing: .06em;
  color: var(--c-white);
  border: 1px solid var(--c-line);
  background: var(--c-ink-700);
}

.page-products .prod-mod__title {
  margin: 14px 0 0;
  font-size: clamp(22px, 3.4vw, 32px);
  line-height: 1.32;
  color: var(--c-white);
}

.page-products .prod-mod__intro {
  margin: 14px 0 0;
  font-size: 16px;
  line-height: 1.85;
  color: var(--c-text);
}

.page-products .prod-mod__cols {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: var(--pp-gap);
  align-items: start;
}

.page-products .prod-mod__cols--tight {
  margin-top: var(--pp-gap);
}

.page-products .prod-mod__text {
  font-size: 15px;
  line-height: 1.85;
  color: var(--c-text);
}

.page-products .prod-mod__text p {
  margin: 0 0 14px;
}

.page-products .prod-mod__text p:last-child {
  margin-bottom: 0;
}

/* ---------- 要点列表 ---------- */
.page-products .prod-points {
  list-style: none;
  margin: 18px 0 0;
  padding: 0;
  display: grid;
  gap: 9px;
}

.page-products .prod-points li {
  position: relative;
  padding-left: 22px;
  font-size: 15px;
  line-height: 1.7;
  color: var(--c-text);
}

.page-products .prod-points li::before {
  content: "";
  position: absolute;
  left: 0;
  top: .68em;
  width: 12px;
  height: 2px;
  background: var(--c-cyan);
}

/* ---------- 图组 ---------- */
.page-products .prod-figure {
  margin: 0;
  border: var(--frame-w) solid var(--c-line);
  background: var(--c-ink-800);
  box-shadow: var(--shadow-hard);
}

.page-products .prod-mod--accent .prod-figure {
  border-color: rgba(255, 122, 26, .55);
}

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

.page-products .prod-figure__cap {
  padding: 10px 14px;
  font-size: 12px;
  line-height: 1.6;
  color: var(--c-muted);
  border-top: 1px solid var(--c-line);
}

/* ---------- 参数卡 ---------- */
.page-products .prod-params {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 1px;
  margin: var(--pp-gap) 0 0;
  padding: 0;
  background: var(--c-line);
  border: var(--frame-w) solid var(--c-line);
}

.page-products .prod-params--accent {
  border-color: rgba(255, 122, 26, .4);
  background: rgba(255, 122, 26, .4);
}

.page-products .prod-param {
  background: var(--c-ink-800);
  padding: 14px 16px;
}

.page-products .prod-param dt {
  margin: 0;
  font-size: 12px;
  line-height: 1.6;
  letter-spacing: .04em;
  color: var(--c-muted);
}

.page-products .prod-param dd {
  margin: 8px 0 0;
  display: flex;
  align-items: baseline;
  gap: 5px;
  flex-wrap: wrap;
}

.page-products .prod-param__num {
  font-size: clamp(24px, 3.4vw, 36px);
  font-weight: 700;
  line-height: 1;
  letter-spacing: -.02em;
  color: var(--c-cyan);
}

.page-products .prod-param--orange .prod-param__num {
  color: var(--c-orange);
}

.page-products .prod-param__unit {
  font-size: 12px;
  color: var(--c-muted);
}

.page-products .prod-param__text {
  font-size: 15px;
  line-height: 1.5;
  color: var(--c-white);
}

/* ---------- 七天日历网格 ---------- */
.page-products .prod-cal {
  margin-top: 4px;
}

.page-products .prod-cal__grid {
  display: grid;
  grid-auto-flow: column;
  grid-auto-columns: minmax(112px, 1fr);
  gap: 1px;
  background: var(--c-line);
  border: var(--frame-w) solid var(--c-line);
  overflow-x: auto;
  -webkit-overflow-scrolling: touch;
}

.page-products .prod-cal__day {
  background: var(--c-ink-800);
  padding: 12px 12px 14px;
  min-width: 0;
}

.page-products .prod-cal__dow {
  margin: 0;
  font-size: 11px;
  letter-spacing: .1em;
  color: var(--c-cyan);
}

.page-products .prod-cal__count {
  margin: 3px 0 0;
  font-size: 12px;
  color: var(--c-muted);
}

.page-products .prod-cal__list {
  list-style: none;
  margin: 12px 0 0;
  padding: 0;
  display: grid;
  gap: 7px;
}

.page-products .prod-cal__row {
  padding: 4px 0 4px 9px;
  border-left: 2px solid var(--c-line);
}

.page-products .prod-cal__time {
  font-size: 14px;
  color: var(--c-white);
}

.page-products .prod-cal__note {
  margin: 12px 0 0;
  font-size: 12px;
  color: var(--c-muted);
}

/* ---------- 频率卡片 ---------- */
.page-products .prod-freq {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 18px;
}

.page-products .prod-freq__card {
  padding: 20px 20px 22px;
  background: var(--c-ink-800);
  border: var(--frame-w) solid var(--c-line);
  box-shadow: var(--shadow-hard);
}

.page-products .prod-freq__card--cyan {
  border-color: rgba(34, 224, 255, .5);
  background: linear-gradient(165deg, rgba(34, 224, 255, .10), var(--c-ink-800) 62%);
}

.page-products .prod-freq__tag {
  margin: 0;
  font-size: 11px;
  letter-spacing: .14em;
  color: var(--c-muted);
}

.page-products .prod-freq__card--cyan .prod-freq__tag {
  color: var(--c-cyan);
}

.page-products .prod-freq__name {
  margin: 10px 0 0;
  font-size: 20px;
  line-height: 1.4;
  color: var(--c-white);
}

.page-products .prod-freq__desc {
  margin: 12px 0 0;
  font-size: 15px;
  line-height: 1.8;
  color: var(--c-text);
}

.page-products .prod-freq__when {
  margin: 14px 0 0;
  padding-top: 12px;
  font-size: 13px;
  line-height: 1.7;
  color: var(--c-orange-soft);
  border-top: 1px dashed var(--c-line);
}

/* ---------- 版本对照表 ---------- */
.page-products .prod-table__scroll {
  overflow-x: auto;
  -webkit-overflow-scrolling: touch;
  border: var(--frame-w) solid var(--c-line);
}

.page-products .prod-table {
  width: 100%;
  min-width: 560px;
  border-collapse: collapse;
  font-size: 14px;
}

.page-products .prod-table caption {
  text-align: left;
}

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

.page-products .prod-table thead th {
  background: var(--c-ink-700);
  font-size: 13px;
  letter-spacing: .02em;
  color: var(--c-white);
}

.page-products .prod-table tbody th {
  font-weight: 500;
  color: var(--c-text);
  background: var(--c-ink-800);
}

.page-products .prod-table tbody td {
  font-family: var(--f-mono);
  font-weight: 700;
  color: var(--c-cyan);
  background: var(--c-ink-800);
}

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

.page-products .prod-table__foot {
  margin: 14px 0 0;
  font-size: 13px;
  line-height: 1.8;
  color: var(--c-muted);
}

.page-products .prod-inline-link {
  color: var(--c-orange);
  text-decoration: none;
  border-bottom: 1px solid rgba(255, 122, 26, .45);
}

.page-products .prod-inline-link:hover,
.page-products .prod-inline-link:focus-visible {
  color: var(--c-orange-soft);
  border-bottom-color: var(--c-orange-soft);
}

/* ---------- 上手路径 ---------- */
.page-products .prod-mod--start {
  background: linear-gradient(180deg, rgba(10, 46, 78, .34), rgba(6, 11, 26, 0) 72%);
}

.page-products .prod-start {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 18px;
}

.page-products .prod-start__lane {
  padding: 20px 20px 22px;
  border: var(--frame-w) solid var(--c-line);
  border-top: var(--frame-w) solid var(--c-cyan);
  background: var(--c-ink-800);
}

.page-products .prod-start__who {
  margin: 0;
  font-size: 12px;
  letter-spacing: .12em;
  color: var(--c-cyan);
}

.page-products .prod-start__steps {
  list-style: none;
  margin: 16px 0 0;
  padding: 0;
  display: grid;
  gap: 14px;
  counter-reset: none;
}

.page-products .prod-start__steps li {
  display: grid;
  grid-template-columns: 34px minmax(0, 1fr);
  gap: 10px;
  font-size: 15px;
  line-height: 1.75;
  color: var(--c-text);
}

.page-products .prod-start__n {
  font-size: 13px;
  font-weight: 700;
  color: var(--c-orange);
  padding-top: 2px;
}

/* ---------- 行动收束 ---------- */
.page-products .prod-cta {
  margin-top: var(--pp-gap);
  padding: 22px;
  border: var(--frame-w) solid var(--c-cyan);
  background: linear-gradient(140deg, rgba(34, 224, 255, .12), rgba(10, 46, 78, .38) 60%, rgba(6, 11, 26, .2));
  display: grid;
  gap: 18px;
}

.page-products .prod-cta__text {
  margin: 0;
  font-size: 15px;
  line-height: 1.8;
  color: var(--c-text);
}

.page-products .prod-cta__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
}

/* ---------- 响应式 ---------- */
@media (min-width: 700px) {
  .page-products .prod-params {
    grid-template-columns: repeat(4, minmax(0, 1fr));
  }

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

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

  .page-products .prod-cta {
    grid-template-columns: minmax(0, 1fr) auto;
    align-items: center;
  }
}

@media (min-width: 900px) {
  .page-products .prod-hero {
    grid-template-columns: minmax(0, 1.45fr) minmax(0, 1fr);
    align-items: end;
  }

  .page-products .prod-mod__cols {
    grid-template-columns: minmax(0, 7fr) minmax(0, 5fr);
    gap: clamp(26px, 4vw, 48px);
  }

  .page-products .prod-mod--flip .prod-mod__text {
    order: 2;
  }

  .page-products .prod-mod--flip .prod-figure {
    order: 1;
  }

  .page-products .prod-cal__grid {
    grid-auto-flow: row;
    grid-template-columns: repeat(7, minmax(0, 1fr));
    overflow-x: visible;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-products .prod-rail {
    position: static;
  }

  .page-products .prod-cal__grid {
    scroll-behavior: auto;
  }
}