/* ===== 服务与入口 /page-products ===== */

.page-products {
  --pp-cut: 20px;
  --pp-soft: rgba(255, 255, 255, .055);
  --pp-soft-2: rgba(255, 255, 255, .1);
  position: relative;
  padding-bottom: 64px;
  overflow-x: clip;
}

.page-products .kt-container {
  width: 100%;
}

.page-products .kt-display {
  font-size: clamp(36px, 8.4vw, 74px);
  font-weight: 300;
  line-height: 0.98;
  letter-spacing: -0.02em;
  margin: 14px 0 0;
}

.page-products .kt-h2 {
  margin: 10px 0 0;
  letter-spacing: -0.01em;
}

/* ---------- 首屏 ---------- */

.pp-hero {
  position: relative;
  padding: 28px 0 56px;
  isolation: isolate;
}

.pp-hero::before {
  content: "";
  position: absolute;
  inset: -180px 0 0 0;
  background:
    radial-gradient(64% 92% at 12% 0%, rgba(52, 242, 206, .16), transparent 72%),
    radial-gradient(54% 84% at 92% 6%, rgba(255, 139, 61, .12), transparent 70%);
  pointer-events: none;
  z-index: -1;
  animation: pp-breathe 12s ease-in-out infinite;
}

@keyframes pp-breathe {
  0%, 100% { opacity: .78; }
  50% { opacity: 1; }
}

.pp-hero__grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 34px;
  margin-top: 22px;
}

.pp-hero__lede {
  margin: 20px 0 0;
  max-width: 42ch;
  font-size: 17px;
  line-height: 1.85;
  color: var(--kt-muted);
}

.pp-hero__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 28px;
}

.pp-hero__facts {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 1px;
  margin: 0;
  padding: 0;
  list-style: none;
  background: var(--kt-line);
  border: 1px solid var(--kt-line);
  border-radius: var(--kt-radius);
  overflow: hidden;
}

.pp-hero__facts li {
  display: flex;
  flex-direction: column;
  gap: 6px;
  padding: 18px 16px;
  background: linear-gradient(165deg, rgba(21, 27, 63, .92), rgba(11, 17, 38, .96));
}

.pp-fact__num {
  font-family: var(--kt-mono);
  font-size: 28px;
  font-weight: 600;
  line-height: 1;
  color: var(--kt-cyan);
  font-variant-numeric: tabular-nums;
}

.pp-fact__label {
  font-size: 12px;
  letter-spacing: 0.06em;
  color: var(--kt-muted);
}

/* ---------- 主壳：索引 + 内容流 ---------- */

.pp-shell {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 34px;
  margin-top: 20px;
}

.pp-index {
  padding: 16px 14px;
  border: 1px solid var(--kt-line);
  border-radius: var(--kt-radius);
  background: var(--pp-soft);
  backdrop-filter: blur(14px);
  -webkit-backdrop-filter: blur(14px);
}

.pp-index__title {
  margin: 0 0 10px;
  padding-left: 10px;
  font-size: 11px;
  letter-spacing: 0.22em;
  color: var(--kt-muted);
  text-transform: uppercase;
}

.pp-index__list {
  display: flex;
  flex-wrap: wrap;
  gap: 4px;
  margin: 0;
  padding: 0;
  list-style: none;
}

.pp-index__link {
  position: relative;
  display: block;
  padding: 8px 12px;
  border-radius: 8px;
  font-size: 13px;
  color: var(--kt-muted);
  text-decoration: none;
  transition: color .2s ease, background-color .2s ease;
}

.pp-index__link:hover,
.pp-index__link:focus-visible {
  color: var(--kt-text);
  background: var(--pp-soft);
}

.pp-index__link.is-active {
  color: var(--kt-text);
  background: var(--pp-soft-2);
}

.pp-index__link.is-active::before {
  content: "";
  position: absolute;
  left: 0;
  top: 7px;
  bottom: 7px;
  width: 2px;
  border-radius: 2px;
  background: var(--kt-cyan);
  box-shadow: 0 0 12px rgba(52, 242, 206, .6);
}

/* ---------- 章节通用 ---------- */

.pp-section {
  padding-bottom: 60px;
}

.pp-section:last-child {
  padding-bottom: 0;
}

.pp-section__head {
  max-width: 640px;
  margin-bottom: 28px;
}

.pp-section__lede {
  margin: 14px 0 0;
  max-width: 44ch;
  font-size: 16px;
  line-height: 1.85;
  color: var(--kt-muted);
}

/* ---------- 四条内容线 ---------- */

.pp-lines {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 22px;
}

.pp-lines__cards {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 14px;
}

.pp-line {
  display: flex;
  flex-direction: column;
  gap: 10px;
  padding: 22px 20px 24px;
  background: linear-gradient(158deg, #1A2149 0%, #121838 100%);
}

.pp-line--teal {
  background: linear-gradient(158deg, #0B2F32 0%, #08222A 100%);
}

.pp-line--wine {
  background: linear-gradient(158deg, #5C1730 0%, #341024 100%);
}

.pp-line__title {
  margin: 0;
  font-size: 17px;
  font-weight: 700;
  line-height: 1.5;
  color: var(--kt-text);
}

.pp-line__text {
  margin: 0;
  font-size: 14.5px;
  line-height: 1.8;
  color: rgba(230, 237, 248, .78);
}

.pp-line__meta {
  margin: auto 0 0;
  padding-top: 12px;
  border-top: 1px solid rgba(230, 237, 248, .12);
  font-size: 12px;
  letter-spacing: 0.04em;
  color: var(--kt-muted);
}

.pp-line__meta .kt-num {
  color: var(--kt-cyan);
  font-size: 15px;
  margin-right: 2px;
}

.pp-lines__figure {
  margin: 0;
}

.pp-lines__figure .kt-figure__media {
  border-radius: var(--kt-radius);
  overflow: hidden;
  box-shadow: 0 24px 60px -32px rgba(0, 0, 0, .9), inset 0 0 0 1px var(--kt-line);
}

/* ---------- 苹果端体验 ---------- */

.pp-apple {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 26px;
  align-items: center;
}

.pp-apple__list {
  display: grid;
  gap: 16px;
  margin: 26px 0 0;
  padding: 0;
  list-style: none;
}

.pp-apple__list li {
  position: relative;
  padding-left: 18px;
  border-left: 1px solid var(--kt-line);
}

.pp-apple__list li::before {
  content: "";
  position: absolute;
  left: -1px;
  top: 4px;
  width: 1px;
  height: 18px;
  background: var(--kt-orange);
}

.pp-apple__list h3 {
  margin: 0 0 6px;
  font-size: 15.5px;
  font-weight: 700;
  color: var(--kt-text);
}

.pp-apple__list p {
  margin: 0;
  font-size: 14.5px;
  line-height: 1.8;
  color: var(--kt-muted);
}

.pp-apple__figure {
  margin: 0;
}

.pp-media--glow {
  position: relative;
  border-radius: var(--kt-radius);
  overflow: hidden;
}

.pp-media--glow::after {
  content: "";
  position: absolute;
  inset: 0;
  border-radius: inherit;
  box-shadow:
    inset 0 0 0 1px rgba(52, 242, 206, .22),
    inset 0 -70px 100px -50px rgba(52, 242, 206, .22);
  pointer-events: none;
}

/* ---------- 通勤速览 ---------- */

.pp-commute__figure {
  margin: 0 0 26px;
}

.pp-commute__figure .kt-figure__media {
  position: relative;
  border-radius: var(--kt-radius);
  overflow: hidden;
}

.pp-commute__figure .kt-figure__media::after {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(90deg, rgba(7, 14, 31, .82) 0%, rgba(7, 14, 31, .18) 55%, rgba(7, 14, 31, .6) 100%);
  pointer-events: none;
}

.pp-commute__grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 26px;
  align-items: start;
}

.pp-commute__peaks {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 1px;
  margin: 0;
  padding: 0;
  list-style: none;
  background: var(--kt-line);
  border: 1px solid var(--kt-line);
  border-radius: var(--kt-radius);
  overflow: hidden;
}

.pp-commute__peaks li {
  display: flex;
  flex-direction: column;
  gap: 6px;
  padding: 16px 14px;
  background: rgba(11, 47, 50, .78);
}

.pp-peak__time {
  font-family: var(--kt-mono);
  font-size: 19px;
  font-weight: 600;
  color: var(--kt-orange);
  font-variant-numeric: tabular-nums;
  letter-spacing: -0.01em;
}

.pp-peak__label {
  font-size: 12px;
  letter-spacing: 0.05em;
  color: var(--kt-muted);
}

/* ---------- 数据面板 ---------- */

.pp-stats {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 22px;
  align-items: start;
}

.pp-stats__figure {
  margin: 0;
}

.pp-stats__panel {
  display: grid;
  gap: 16px;
  padding: 20px 18px;
  border: 1px solid var(--kt-line);
  border-radius: var(--kt-radius);
  background: linear-gradient(170deg, rgba(21, 27, 63, .9), rgba(7, 14, 31, .92));
}

.pp-stats__highlights {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 10px;
}

.pp-highlight {
  display: flex;
  flex-direction: column;
  gap: 5px;
}

.pp-highlight__num {
  font-family: var(--kt-mono);
  font-size: 22px;
  font-weight: 600;
  color: var(--kt-cyan);
  font-variant-numeric: tabular-nums;
  line-height: 1;
}

.pp-highlight__label {
  font-size: 11.5px;
  letter-spacing: 0.05em;
  color: var(--kt-muted);
}

.pp-fold {
  border: 1px solid var(--kt-line);
  border-radius: 10px;
  background: rgba(255, 255, 255, .04);
  overflow: hidden;
}

.pp-fold summary {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  padding: 14px 16px;
  font-size: 14px;
  color: var(--kt-cyan);
  cursor: pointer;
  list-style: none;
}

.pp-fold summary::-webkit-details-marker {
  display: none;
}

.pp-fold summary::after {
  content: "+";
  font-family: var(--kt-mono);
  font-size: 17px;
  line-height: 1;
  color: var(--kt-cyan);
}

.pp-fold[open] summary::after {
  content: "−";
}

.pp-fold summary:focus-visible {
  outline: 2px solid var(--kt-cyan);
  outline-offset: -2px;
}

.pp-fold__list {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 1px;
  margin: 0;
  padding: 0;
  list-style: none;
  background: var(--kt-line);
  border-top: 1px solid var(--kt-line);
}

.pp-fold__list li {
  padding: 11px 16px;
  background: #0E1530;
  font-size: 13.5px;
  line-height: 1.5;
  color: rgba(230, 237, 248, .8);
}

/* ---------- 入口收藏 ---------- */

.pp-steps {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 14px;
  margin: 0;
  padding: 0;
  list-style: none;
}

.pp-step {
  display: flex;
  flex-direction: column;
  gap: 8px;
  padding: 20px 18px 22px;
  background: linear-gradient(150deg, #1A2149 0%, #101635 100%);
}

.pp-step:nth-child(even) {
  background: linear-gradient(150deg, #171E43 0%, #0D142E 100%);
}

.pp-step__idx {
  font-family: var(--kt-mono);
  font-size: 13px;
  font-weight: 600;
  letter-spacing: 0.12em;
  color: var(--kt-orange);
}

.pp-step__title {
  margin: 0;
  font-size: 16px;
  font-weight: 700;
  line-height: 1.5;
  color: var(--kt-text);
}

.pp-step__text {
  margin: 0;
  font-size: 14px;
  line-height: 1.8;
  color: rgba(230, 237, 248, .74);
}

.pp-entry__note {
  margin: 18px 0 0;
  padding-left: 14px;
  border-left: 2px solid var(--kt-cyan);
  font-size: 14px;
  line-height: 1.8;
  color: var(--kt-muted);
  max-width: 46ch;
}

/* ---------- 版本演进 ---------- */

.pp-track__figure {
  margin: 0 0 4px;
}

.pp-track__figure .kt-figure__media {
  border-radius: var(--kt-radius);
  overflow: hidden;
  opacity: .82;
}

.pp-track-wrap {
  margin-top: -46px;
  padding-top: 34px;
}

.pp-track {
  display: flex;
  gap: 0;
  margin: 0;
  padding: 0;
  list-style: none;
  overflow-x: auto;
  scroll-snap-type: x proximity;
  -webkit-overflow-scrolling: touch;
}

.pp-track::-webkit-scrollbar {
  height: 4px;
}

.pp-track::-webkit-scrollbar-thumb {
  background: rgba(230, 237, 248, .18);
  border-radius: 4px;
}

.pp-track__node {
  position: relative;
  flex: 0 0 210px;
  padding: 26px 18px 6px 0;
  scroll-snap-align: start;
}

.pp-track__node::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  right: 12px;
  height: 1px;
  background: var(--kt-line);
}

.pp-track__node::after {
  content: "";
  position: absolute;
  top: -4px;
  left: 0;
  width: 9px;
  height: 9px;
  border-radius: 50%;
  background: var(--kt-muted);
  transition: background-color .25s ease, box-shadow .25s ease;
}

.pp-track__node--now::after {
  background: var(--kt-orange);
  box-shadow: 0 0 0 5px rgba(255, 139, 61, .18);
}

.pp-track__node:hover::after {
  background: var(--kt-cyan);
  box-shadow: 0 0 0 5px rgba(52, 242, 206, .18);
}

.pp-track__ver {
  display: block;
  font-family: var(--kt-mono);
  font-size: 21px;
  font-weight: 600;
  color: var(--kt-cyan);
  font-variant-numeric: tabular-nums;
  line-height: 1;
}

.pp-track__node--now .pp-track__ver {
  color: var(--kt-orange);
}

.pp-track__name {
  margin: 8px 0 6px;
  font-size: 15px;
  font-weight: 700;
  color: var(--kt-text);
}

.pp-track__pop {
  margin: 0;
  font-size: 13px;
  line-height: 1.75;
  color: var(--kt-muted);
}

/* ---------- 适配设备 ---------- */

.pp-devices {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 14px;
  margin: 0;
  padding: 0;
  list-style: none;
}

.pp-device {
  display: flex;
  flex-direction: column;
  gap: 9px;
  padding: 20px 18px;
  border: 1px solid var(--kt-line);
  border-radius: var(--kt-radius);
  background: rgba(255, 255, 255, .035);
  transition: border-color .25s ease, transform .25s ease, background-color .25s ease;
}

.pp-device:hover {
  border-color: rgba(52, 242, 206, .34);
  background: rgba(255, 255, 255, .06);
  transform: translateY(-3px);
}

.pp-device .kt-tag {
  align-self: flex-start;
}

.pp-device__title {
  margin: 0;
  font-size: 16px;
  font-weight: 700;
  color: var(--kt-text);
}

.pp-device p {
  margin: 0;
  font-size: 14px;
  line-height: 1.8;
  color: var(--kt-muted);
}

/* ---------- 收尾 ---------- */

.pp-outro__box {
  padding: 30px 22px;
  border-radius: var(--kt-radius);
  text-align: left;
}

.pp-outro__title {
  margin: 0;
  font-size: 21px;
  font-weight: 700;
  color: var(--kt-text);
}

.pp-outro__text {
  margin: 12px 0 0;
  max-width: 48ch;
  font-size: 15px;
  line-height: 1.85;
  color: var(--kt-muted);
}

.pp-outro__links {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 22px;
}

/* ---------- 图片响应式 ---------- */

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

.page-products figure {
  max-width: 100%;
}

/* ---------- 断点 ---------- */

@media (min-width: 600px) {
  .pp-lines__cards {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .pp-steps {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .pp-devices {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .pp-fold__list {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }

  .pp-track__node {
    flex-basis: 240px;
  }
}

@media (min-width: 820px) {
  .pp-apple {
    grid-template-columns: minmax(0, 1.05fr) minmax(0, .85fr);
    gap: 44px;
  }

  .pp-stats {
    grid-template-columns: minmax(0, 1.25fr) minmax(0, 1fr);
    gap: 30px;
  }

  .pp-commute__grid {
    grid-template-columns: minmax(0, 1.15fr) minmax(0, .85fr);
    gap: 40px;
    align-items: center;
  }

  .pp-commute__peaks {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .pp-outro__box {
    padding: 38px 34px;
  }
}

@media (min-width: 960px) {
  .pp-hero {
    padding: 36px 0 72px;
  }

  .pp-hero__grid {
    grid-template-columns: minmax(0, 1.45fr) minmax(0, .78fr);
    align-items: end;
    gap: 52px;
  }

  .pp-hero__facts {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .pp-lines {
    grid-template-columns: minmax(0, 1.5fr) minmax(0, .82fr);
    gap: 26px;
    align-items: start;
  }

  .pp-devices {
    grid-template-columns: repeat(4, minmax(0, 1fr));
  }
}

@media (min-width: 1024px) {
  .pp-shell {
    grid-template-columns: 218px minmax(0, 1fr);
    gap: 54px;
    align-items: start;
  }

  .pp-index {
    position: sticky;
    top: 96px;
    padding: 20px 16px;
  }

  .pp-index__list {
    flex-direction: column;
    flex-wrap: nowrap;
    gap: 2px;
  }

  .pp-index__link {
    padding: 9px 12px 9px 14px;
    font-size: 13.5px;
  }

  .pp-section {
    padding-bottom: 76px;
  }

  .pp-section__head {
    margin-bottom: 34px;
  }
}

@media (prefers-reduced-motion: reduce) {
  .pp-hero::before {
    animation: none;
  }

  .pp-device {
    transition: none;
  }

  .pp-device:hover {
    transform: none;
  }
}

@media (prefers-color-scheme: light) {
  .page-products {
    color-scheme: light;
  }
}