.page-products {
  --pp-edge: rgba(39, 224, 208, 0.26);
  --pp-orange-soft: rgba(255, 122, 60, 0.14);
  --pp-cyan-soft: rgba(39, 224, 208, 0.1);
  --pp-panel: #0B1220;
  padding-block: clamp(18px, 2.4vw, 32px) clamp(60px, 8vw, 112px);
  overflow-x: clip;
}

/* ---------- 面包屑 ---------- */
.page-products .pp-crumb {
  margin-bottom: clamp(16px, 2.2vw, 28px);
}

/* ---------- 首屏 ---------- */
.page-products .pp-hero {
  position: relative;
  padding-bottom: clamp(26px, 3.6vw, 46px);
  border-bottom: 1px solid var(--grid);
}

.page-products .pp-hero__eyebrow {
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.2em;
  color: var(--cyan);
  margin: 0 0 14px;
}

.page-products .pp-hero__title {
  font-family: var(--font-display);
  font-weight: 700;
  letter-spacing: 0.05em;
  line-height: 1.06;
  font-size: clamp(32px, 7.2vw, 76px);
  color: var(--paper);
  margin: 0 0 18px;
  max-width: 20ch;
}

.page-products .pp-hero__title em {
  font-style: normal;
  color: var(--cyan);
  display: block;
}

.page-products .pp-hero__lead {
  font-size: clamp(16px, 1.5vw, 18px);
  line-height: 1.8;
  color: var(--ice);
  max-width: 42em;
  margin: 0;
}

.page-products .pp-jump {
  display: grid;
  grid-template-columns: 1fr;
  gap: 8px;
  list-style: none;
  padding: 0;
  margin: clamp(22px, 3vw, 36px) 0 0;
}

.page-products .pp-jump__item {
  display: flex;
  align-items: baseline;
  gap: 12px;
  padding: 13px 16px;
  border: 1px solid var(--grid);
  background: var(--pp-panel);
  color: var(--ice);
  text-decoration: none;
  font-size: 15px;
  line-height: 1.5;
  transition: border-color 0.22s var(--ease), transform 0.22s var(--ease), color 0.22s var(--ease);
}

.page-products .pp-jump__item .mono {
  font-size: 12px;
  color: var(--orange);
  letter-spacing: 0.08em;
}

.page-products .pp-jump__item:hover,
.page-products .pp-jump__item:focus-visible {
  border-color: var(--cyan);
  color: var(--paper);
  transform: translateY(-2px);
}

.page-products .pp-hero__trace {
  position: relative;
  height: 2px;
  margin-top: clamp(24px, 3.4vw, 44px);
  background: linear-gradient(90deg, var(--grid) 0%, var(--grid) 40%, var(--pp-cyan-soft) 70%, transparent 100%);
}

.page-products .pp-hero__dot {
  position: absolute;
  top: -3px;
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--cyan);
  box-shadow: 0 0 0 4px var(--pp-cyan-soft);
  animation: pp-pulse 4.8s var(--ease) infinite;
}

.page-products .pp-hero__dot--b {
  left: 34%;
  background: var(--ice);
  box-shadow: none;
  animation-delay: 0.6s;
}

.page-products .pp-hero__dot--c {
  left: 66%;
  background: var(--orange);
  box-shadow: 0 0 0 4px var(--pp-orange-soft);
  animation-delay: 1.2s;
}

@keyframes pp-pulse {
  0%, 100% { transform: scale(1); opacity: 1; }
  50% { transform: scale(1.5); opacity: 0.6; }
}

/* ---------- 分屏骨架 ---------- */
.page-products .pp-shell {
  display: grid;
  grid-template-columns: 1fr;
  gap: clamp(28px, 4vw, 48px);
  margin-top: clamp(30px, 4vw, 56px);
}

.page-products .pp-rail {
  display: grid;
  gap: 12px;
  align-content: start;
}

.page-products .pp-railcard {
  padding: 16px 16px 18px;
  border: 1px solid var(--grid);
  background: var(--ink);
  border-radius: var(--radius);
}

.page-products .pp-railcard--cyan {
  border-left: 2px solid var(--cyan);
}

.page-products .pp-railcard--orange {
  border-left: 2px solid var(--orange);
  background: linear-gradient(180deg, var(--pp-orange-soft), transparent 70%), var(--ink);
}

.page-products .pp-railcard__label {
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.16em;
  color: var(--mist);
  margin: 0 0 12px;
}

.page-products .pp-railcard__note {
  font-size: 14px;
  line-height: 1.7;
  color: var(--ice);
  margin: 0;
}

.page-products .pp-railcard__btn {
  margin-top: 14px;
  width: 100%;
  justify-content: center;
}

.page-products .pp-week {
  display: grid;
  grid-template-columns: repeat(7, 1fr);
  gap: 4px;
  margin-bottom: 12px;
}

.page-products .pp-week__cell {
  display: grid;
  place-items: center;
  height: 34px;
  font-family: var(--font-mono);
  font-size: 12px;
  color: var(--mist);
  background: var(--void);
  border: 1px solid var(--grid);
  border-radius: 1px;
}

.page-products .pp-week__cell--on {
  background: var(--orange);
  border-color: var(--orange);
  color: #1A0A02;
  font-weight: 700;
}

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

.page-products .pp-rail__list a {
  display: flex;
  gap: 10px;
  align-items: baseline;
  padding: 7px 0;
  font-size: 14px;
  color: var(--ice);
  text-decoration: none;
  border-bottom: 1px dashed var(--grid);
  transition: color 0.2s var(--ease), padding-left 0.2s var(--ease);
}

.page-products .pp-rail__list a .mono {
  font-size: 11px;
  color: var(--cyan);
}

.page-products .pp-rail__list a:hover,
.page-products .pp-rail__list a:focus-visible {
  color: var(--cyan);
  padding-left: 4px;
}

/* ---------- 内容流 ---------- */
.page-products .pp-flow {
  display: grid;
  gap: clamp(40px, 5.5vw, 78px);
  min-width: 0;
}

.page-products .pp-sec {
  scroll-margin-top: calc(var(--bar-h) + 20px);
}

.page-products .pp-head {
  margin-bottom: clamp(18px, 2.4vw, 28px);
}

.page-products .pp-figure {
  margin: 0 0 clamp(20px, 2.6vw, 30px);
  border: 1px solid var(--grid);
  background: var(--ink);
  border-radius: var(--radius);
  overflow: hidden;
}

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

.page-products .pp-figure__cap {
  padding: 10px 14px;
  font-size: 13px;
  line-height: 1.6;
  color: var(--mist);
  border-top: 1px solid var(--grid);
}

.page-products .pp-figure--narrow {
  max-width: 720px;
}

/* ---------- 两步回访 ---------- */
.page-products .pp-two {
  list-style: none;
  margin: 0 0 clamp(18px, 2.4vw, 26px);
  padding: 0;
  display: grid;
  gap: 12px;
}

.page-products .pp-two__item {
  position: relative;
  padding: 20px 18px 22px;
  border: 1px solid var(--grid);
  background: var(--ink);
  border-radius: var(--radius);
}

.page-products .pp-two__item--accent {
  background: linear-gradient(180deg, var(--pp-cyan-soft), transparent 78%), var(--ink);
  border-color: var(--pp-edge);
}

.page-products .pp-two__num {
  display: inline-block;
  font-size: 12px;
  letter-spacing: 0.18em;
  color: var(--orange);
  margin-bottom: 10px;
}

.page-products .pp-two__title {
  font-family: var(--font-display);
  font-size: clamp(20px, 2.4vw, 26px);
  letter-spacing: 0.05em;
  color: var(--paper);
  margin: 0 0 10px;
}

.page-products .pp-two__text {
  font-size: 15px;
  line-height: 1.8;
  color: var(--ice);
  margin: 0;
}

.page-products .pp-note {
  padding: 18px;
  border-left: 2px solid var(--cyan);
  background: var(--void);
}

.page-products .pp-note p {
  font-size: 15px;
  line-height: 1.8;
  color: var(--ice);
  margin: 0;
}

.page-products .pp-note strong {
  color: var(--paper);
}

.page-products .pp-note__link {
  margin-top: 10px !important;
}

/* ---------- 资源区 ---------- */
.page-products .pp-weekrow {
  display: grid;
  grid-template-columns: 1fr;
  gap: clamp(18px, 2.4vw, 28px);
  margin-bottom: clamp(20px, 2.6vw, 30px);
}

.page-products .pp-weekrow__fig {
  margin: 0;
  border: 1px solid var(--grid);
  background: var(--ink);
  border-radius: var(--radius);
  overflow: hidden;
}

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

.page-products .pp-weekrow__k {
  font-size: 12px;
  letter-spacing: 0.18em;
  color: var(--orange);
  margin: 0 0 10px;
}

.page-products .pp-weekrow__title {
  font-family: var(--font-display);
  font-size: clamp(20px, 2.4vw, 26px);
  letter-spacing: 0.05em;
  color: var(--paper);
  margin: 0 0 12px;
}

.page-products .pp-weekrow__copy p {
  font-size: 15px;
  line-height: 1.8;
  color: var(--ice);
  margin: 0 0 12px;
}

.page-products .pp-weekrow__copy p:last-child {
  margin-bottom: 0;
}

.page-products .pp-cats {
  gap: clamp(12px, 1.6vw, 18px);
}

.page-products .pp-cat {
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.page-products .pp-cat .card__num {
  color: var(--cyan);
}

/* ---------- 有效期刻度 ---------- */
.page-products .pp-life {
  padding: clamp(20px, 2.8vw, 30px);
  border: 1px solid var(--grid);
  background: var(--ink);
  border-radius: var(--radius);
  margin-bottom: clamp(20px, 2.6vw, 30px);
}

.page-products .pp-life__track {
  position: relative;
  height: 3px;
  background: var(--grid);
  border-radius: 2px;
  margin-bottom: clamp(18px, 2.4vw, 26px);
}

.page-products .pp-life__fill {
  position: absolute;
  inset: 0 auto 0 0;
  width: 100%;
  background: linear-gradient(90deg, var(--cyan) 0%, var(--cyan) 22%, var(--orange) 62%, var(--magenta) 100%);
  border-radius: 2px;
}

.page-products .pp-life__node {
  position: absolute;
  top: 50%;
  width: 10px;
  height: 10px;
  border-radius: 50%;
  transform: translate(-50%, -50%);
  background: var(--cyan);
  box-shadow: 0 0 0 4px var(--pp-cyan-soft);
}

.page-products .pp-life__node--a { left: 0; }
.page-products .pp-life__node--b { left: 22%; background: var(--orange); box-shadow: 0 0 0 4px var(--pp-orange-soft); }
.page-products .pp-life__node--c { left: 100%; background: var(--magenta); box-shadow: none; }

.page-products .pp-life__marks {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 18px;
}

.page-products .pp-life__day {
  display: block;
  font-size: 12px;
  letter-spacing: 0.14em;
  color: var(--mist);
  margin-bottom: 6px;
}

.page-products .pp-life__name {
  font-size: 17px;
  font-weight: 700;
  color: var(--paper);
  margin: 0 0 6px;
}

.page-products .pp-life__mark p {
  font-size: 14px;
  line-height: 1.75;
  color: var(--ice);
  margin: 0;
}

.page-products .pp-life__mark--mid .pp-life__name {
  color: var(--orange);
}

/* ---------- 设备档位 ---------- */
.page-products .pp-tabs {
  margin-bottom: clamp(20px, 2.6vw, 30px);
}

.page-products .pp-tabs .tabs__list {
  display: flex;
  flex-wrap: wrap;
  gap: 4px;
  border-bottom: 1px solid var(--grid);
  position: relative;
}

.page-products .pp-tabs .tabs__tab {
  flex: 1 1 auto;
  min-height: 44px;
  padding: 10px 12px;
  background: transparent;
  border: 1px solid transparent;
  border-bottom: none;
  color: var(--mist);
  font-family: var(--font-body);
  font-size: 14px;
  letter-spacing: 0.04em;
  cursor: pointer;
  transition: color 0.2s var(--ease), background 0.2s var(--ease);
}

.page-products .pp-tabs .tabs__tab[aria-selected="true"] {
  color: var(--paper);
  background: var(--pp-panel);
  border-color: var(--grid);
}

.page-products .pp-tabs .tabs__tab:hover {
  color: var(--cyan);
}

.page-products .pp-panel {
  padding: clamp(18px, 2.4vw, 26px);
  border: 1px solid var(--grid);
  border-top: none;
  background: var(--pp-panel);
  border-radius: 0 0 var(--radius) var(--radius);
}

.page-products .pp-spec {
  margin: 0 0 16px;
  padding: 0;
  display: grid;
  gap: 0;
}

.page-products .pp-spec__row {
  display: flex;
  justify-content: space-between;
  align-items: baseline;
  gap: 16px;
  padding: 11px 0;
  border-bottom: 1px dashed var(--grid);
}

.page-products .pp-spec__row dt {
  font-size: 14px;
  color: var(--mist);
}

.page-products .pp-spec__row dd {
  margin: 0;
  font-family: var(--font-mono);
  font-size: 14px;
  letter-spacing: 0.04em;
  color: var(--cyan);
}

.page-products .pp-spec__note {
  font-size: 14px;
  line-height: 1.8;
  color: var(--ice);
  margin: 0;
}

/* ---------- 安装流程 ---------- */
.page-products .pp-figure--tall {
  max-width: 900px;
}

.page-products .pp-flowlist {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 0;
}

.page-products .pp-flowstep {
  display: grid;
  grid-template-columns: 44px 1fr;
  gap: 14px;
  padding: 20px 0;
  border-bottom: 1px solid var(--grid);
}

.page-products .pp-flowstep--last {
  border-bottom: none;
}

.page-products .pp-flowstep__no {
  display: grid;
  place-items: center;
  width: 40px;
  height: 40px;
  border: 1px solid var(--pp-edge);
  border-radius: 50%;
  color: var(--cyan);
  font-size: 13px;
  background: var(--pp-cyan-soft);
}

.page-products .pp-flowstep__title {
  font-family: var(--font-display);
  font-size: clamp(18px, 2.2vw, 23px);
  letter-spacing: 0.05em;
  color: var(--paper);
  margin: 0 0 8px;
}

.page-products .pp-flowstep__body p {
  font-size: 15px;
  line-height: 1.8;
  color: var(--ice);
  margin: 0 0 10px;
}

.page-products .pp-flowstep__fix {
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  gap: 8px;
  font-size: 14px !important;
  color: var(--mist) !important;
  margin: 0 !important;
}

/* ---------- 帮助区 ---------- */
.page-products .pp-help {
  display: grid;
  grid-template-columns: 1fr;
  gap: 12px;
  margin-bottom: clamp(20px, 2.6vw, 28px);
}

.page-products .pp-help__card {
  display: block;
  padding: 20px 18px 22px;
  border: 1px solid var(--grid);
  background: var(--ink);
  border-radius: var(--radius);
  text-decoration: none;
  transition: border-color 0.22s var(--ease), transform 0.22s var(--ease);
}

.page-products .pp-help__card--orange {
  background: linear-gradient(180deg, var(--pp-orange-soft), transparent 76%), var(--ink);
  border-color: rgba(255, 122, 60, 0.3);
}

.page-products .pp-help__card:hover,
.page-products .pp-help__card:focus-visible {
  border-color: var(--cyan);
  transform: translateY(-2px);
}

.page-products .pp-help__k {
  display: block;
  font-size: 12px;
  letter-spacing: 0.18em;
  color: var(--mist);
  margin-bottom: 10px;
}

.page-products .pp-help__t {
  font-family: var(--font-display);
  font-size: clamp(20px, 2.4vw, 26px);
  letter-spacing: 0.05em;
  color: var(--paper);
  margin: 0 0 10px;
}

.page-products .pp-help__card p {
  font-size: 15px;
  line-height: 1.8;
  color: var(--ice);
  margin: 0 0 14px;
}

.page-products .pp-help__go {
  font-family: var(--font-mono);
  font-size: 13px;
  letter-spacing: 0.06em;
  color: var(--orange);
}

.page-products .pp-tail {
  font-size: 15px;
  line-height: 1.8;
  color: var(--mist);
  margin: 0;
  max-width: 46em;
}

/* ---------- 响应式 ---------- */
@media (min-width: 640px) {
  .page-products .pp-jump {
    grid-template-columns: repeat(2, 1fr);
  }

  .page-products .pp-two {
    grid-template-columns: repeat(2, 1fr);
  }

  .page-products .pp-life__marks {
    grid-template-columns: repeat(3, 1fr);
    gap: 20px;
  }

  .page-products .pp-life__mark--mid {
    text-align: center;
  }

  .page-products .pp-life__mark:last-child {
    text-align: right;
  }

  .page-products .pp-help {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (min-width: 860px) {
  .page-products .pp-jump {
    grid-template-columns: repeat(3, 1fr);
  }

  .page-products .pp-weekrow {
    grid-template-columns: minmax(0, 5fr) minmax(0, 7fr);
    align-items: center;
  }
}

@media (min-width: 1024px) {
  .page-products .pp-shell {
    grid-template-columns: minmax(250px, 288px) minmax(0, 1fr);
    gap: clamp(32px, 3.6vw, 56px);
  }

  .page-products .pp-rail {
    position: sticky;
    top: calc(var(--bar-h) + 18px);
    align-self: start;
    max-height: calc(100vh - var(--bar-h) - 40px);
    overflow-y: auto;
    scrollbar-width: thin;
  }

  .page-products .pp-flowstep {
    grid-template-columns: 56px 1fr;
    gap: 20px;
    padding: 24px 0;
  }
}

@media (min-width: 1200px) {
  .page-products .pp-hero__lead {
    max-width: 46em;
  }

  .page-products .pp-life {
    padding: 34px 36px;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-products .pp-hero__dot {
    animation: none;
  }

  .page-products .pp-jump__item,
  .page-products .pp-help__card,
  .page-products .pp-rail__list a {
    transition-duration: 0.01ms;
  }
}