.page-products {
  --app-deep: #071325;
  --app-darker: #050E1C;
  --app-card: #102440;
  --app-line: rgba(192, 192, 192, 0.22);
  --app-silver: #C0C0C0;
  --app-orange: #FF6B00;
  --app-muted: #7E92A8;
  --app-phone-w: 210px;
  --app-phone-h: 420px;
  background: var(--app-deep);
  color: var(--c-text-on-dark);
}

.page-products img {
  max-width: 100%;
  height: auto;
}

/* ===== 首屏封面 ===== */
.page-products .app-cover {
  position: relative;
  overflow: hidden;
  margin-top: calc(-1 * var(--header-h));
  padding-top: calc(var(--header-h) + 48px);
  padding-bottom: 56px;
  background:
    radial-gradient(ellipse at 82% 12%, rgba(255, 107, 0, 0.20), transparent 60%),
    linear-gradient(145deg, var(--c-primary) 0%, var(--app-deep) 100%);
}

.page-products .app-cover::before {
  content: "";
  position: absolute;
  inset: 0;
  pointer-events: none;
  background-image:
    linear-gradient(rgba(192, 192, 192, 0.07) 1px, transparent 1px),
    linear-gradient(90deg, rgba(192, 192, 192, 0.07) 1px, transparent 1px);
  background-size: 40px 40px;
}

.page-products .app-cover::after {
  content: "";
  position: absolute;
  top: 0;
  right: 0;
  width: 120px;
  height: 120px;
  background: linear-gradient(135deg, transparent 50%, rgba(255, 107, 0, 0.18) 50%);
  pointer-events: none;
}

.page-products .app-cover__inner {
  position: relative;
  display: grid;
  gap: 48px;
}

.page-products .app-cover__content {
  min-width: 0;
}

.page-products .app-cover__breadcrumb {
  margin-bottom: 20px;
}

.page-products .app-cover__eyebrow {
  margin-bottom: 12px;
}

.page-products .app-cover__title {
  margin-bottom: 18px;
  font-size: 42px;
  line-height: 1.08;
  letter-spacing: 0.02em;
}

.page-products .app-cover__lead {
  max-width: 30em;
  margin-bottom: 28px;
  color: var(--c-text-on-dark);
  font-size: 16px;
  line-height: 1.7;
}

.page-products .app-cover__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 14px;
  margin-bottom: 40px;
}

.page-products .app-cover__stats {
  display: flex;
  flex-wrap: wrap;
  gap: 12px 36px;
  border-top: 1px solid var(--app-line);
  padding-top: 22px;
}

.page-products .app-cover__stat {
  display: flex;
  flex-direction: column;
  gap: 2px;
}

.page-products .app-cover__stat-num {
  font-family: var(--font-number);
  font-size: 24px;
  font-weight: 700;
  color: var(--c-white);
  line-height: 1.2;
}

.page-products .app-cover__stat-label {
  font-size: 13px;
  color: var(--app-muted);
}

/* ===== 手机模型 ===== */
.page-products .app-cover__visual {
  display: flex;
  justify-content: center;
  align-items: flex-start;
}

.page-products .phone-shell {
  position: relative;
  width: var(--app-phone-w);
  padding-bottom: calc(var(--app-phone-h) / var(--app-phone-w) * 100%);
}

.page-products .phone-shell__frame {
  position: absolute;
  inset: 0;
  background: var(--app-darker);
  border: 1px solid rgba(192, 192, 192, 0.35);
  border-radius: 34px;
  padding: 10px;
  box-shadow:
    0 28px 70px rgba(0, 0, 0, 0.65),
    0 0 0 1px rgba(255, 255, 255, 0.04);
  overflow: hidden;
}

.page-products .phone-shell__frame::before {
  content: "";
  position: absolute;
  top: 6px;
  left: 24px;
  right: 24px;
  height: 22px;
  background: var(--app-darker);
  border-radius: 12px;
  z-index: 2;
}

.page-products .phone-shell__screen {
  display: block;
  width: 100%;
  height: 100%;
  object-fit: cover;
  border-radius: 24px;
}

.page-products .phone-shell__notch {
  position: absolute;
  top: 10px;
  left: 50%;
  transform: translateX(-50%);
  width: 64px;
  height: 20px;
  background: var(--app-darker);
  border-radius: 12px;
  z-index: 3;
}

.page-products .phone-shell__caption {
  margin-top: 16px;
  text-align: center;
  font-family: var(--font-number);
  font-size: 13px;
  color: var(--app-silver);
  letter-spacing: 0.08em;
}

/* ===== 亮点横向主题带 ===== */
.page-products .feature-strip {
  position: relative;
  padding: 72px 0 0;
  background: var(--app-deep);
}

.page-products .feature-strip .section-head {
  margin-bottom: 32px;
}

.page-products .feature-strip__track {
  display: flex;
  gap: 16px;
  overflow-x: auto;
  padding: 4px 24px 20px;
  scroll-snap-type: x mandatory;
  scrollbar-width: thin;
  scrollbar-color: var(--app-orange) var(--app-card);
}

.page-products .feature-strip__track::-webkit-scrollbar {
  height: 6px;
}

.page-products .feature-strip__track::-webkit-scrollbar-thumb {
  background: var(--app-orange);
  border-radius: 4px;
}

.page-products .feature-strip__card {
  position: relative;
  flex: 0 0 260px;
  scroll-snap-align: start;
  padding: 26px 22px 30px;
  background: linear-gradient(160deg, rgba(255, 255, 255, 0.08) 0%, rgba(16, 36, 64, 0.95) 70%);
  border: 1px solid var(--app-line);
  border-radius: 0;
  clip-path: polygon(0 0, calc(100% - 22px) 0, 100% 22px, 100% 100%, 22px 100%, 0 calc(100% - 22px));
}

.page-products .feature-strip__card::after {
  content: "";
  position: absolute;
  top: 0;
  left: 22px;
  width: 34px;
  height: 3px;
  background: var(--app-orange);
}

.page-products .feature-strip__card--accent {
  background: linear-gradient(160deg, rgba(255, 107, 0, 0.28) 0%, rgba(16, 36, 64, 0.95) 70%);
  border-color: rgba(255, 107, 0, 0.5);
}

.page-products .feature-strip__icon {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 44px;
  height: 44px;
  margin-bottom: 18px;
  font-size: 22px;
  color: var(--app-orange);
  background: rgba(255, 107, 0, 0.12);
  border-radius: 10px;
}

.page-products .feature-strip__card h3 {
  margin-bottom: 10px;
  font-family: var(--font-headline);
  font-size: 22px;
  line-height: 1.25;
  color: var(--c-white);
  text-transform: none;
  letter-spacing: 0.02em;
}

.page-products .feature-strip__card p {
  margin: 0;
  font-size: 15px;
  line-height: 1.65;
  color: var(--c-text-on-dark);
}

.page-products .feature-strip__media {
  margin-top: 24px;
  padding-bottom: 8px;
}

.page-products .feature-strip__media .container {
  max-width: 900px;
}

.page-products .feature-strip__img {
  display: block;
  width: 100%;
  object-fit: cover;
  clip-path: polygon(0 0, calc(100% - 32px) 0, 100% 32px, 100% 100%, 0 100%);
  border: 1px solid var(--app-line);
}

/* ===== 栏目导航说明 ===== */
.page-products .nav-guide {
  padding: 72px 0 56px;
  background:
    linear-gradient(rgba(10, 29, 58, 0.92), rgba(10, 29, 58, 0.97)),
    repeating-linear-gradient(-45deg, transparent 0 12px, rgba(192, 192, 192, 0.08) 12px 14px);
}

.page-products .nav-guide__grid {
  display: grid;
  gap: 48px;
}

.page-products .nav-guide__desc {
  max-width: 32em;
  margin: 16px 0 28px;
  color: var(--c-text-on-dark);
  font-size: 16px;
  line-height: 1.7;
}

.page-products .nav-guide__map {
  width: 100%;
  max-width: 560px;
  height: auto;
  display: block;
}

.page-products .nav-guide__node {
  fill: var(--app-card);
  stroke: var(--app-silver);
  stroke-width: 1.4;
}

.page-products .nav-guide__node--start {
  fill: var(--app-orange);
  stroke: var(--app-orange);
}

.page-products .nav-guide__node--accent {
  fill: rgba(255, 107, 0, 0.28);
  stroke: var(--app-orange);
}

.page-products .nav-guide__node--end {
  fill: rgba(16, 36, 64, 0.95);
  stroke-dasharray: 4 3;
}

.page-products .nav-guide__path {
  stroke: var(--app-silver);
  stroke-width: 1.6;
  stroke-dasharray: 5 4;
  opacity: 0.9;
}

.page-products .nav-guide__node-text {
  font-family: var(--font-body);
  font-size: 13px;
  fill: var(--c-white);
  font-weight: 500;
}

.page-products .nav-guide__node-text--small {
  font-size: 11px;
  fill: var(--app-silver);
}

.page-products .nav-guide__right {
  border-left: 2px solid var(--app-orange);
  padding-left: 18px;
}

.page-products .nav-guide__title {
  margin-bottom: 18px;
  font-family: var(--font-headline);
  font-size: 20px;
  color: var(--c-white);
  letter-spacing: 0.04em;
}

.page-products .nav-guide__list {
  display: grid;
  gap: 12px;
  margin: 0;
  padding: 0;
  list-style: none;
}

.page-products .nav-guide__item {
  display: flex;
  gap: 14px;
  align-items: flex-start;
  padding: 14px 16px;
  background: linear-gradient(90deg, rgba(255, 255, 255, 0.06) 0%, rgba(255, 255, 255, 0.02) 100%);
  border-left: 2px solid rgba(192, 192, 192, 0.4);
  border-radius: 0 8px 8px 0;
}

.page-products .nav-guide__num {
  font-family: var(--font-number);
  font-size: 18px;
  font-weight: 400;
  color: var(--app-orange);
  flex-shrink: 0;
  line-height: 1.4;
}

.page-products .nav-guide__item-body {
  display: flex;
  flex-direction: column;
  gap: 3px;
}

.page-products .nav-guide__item-body strong {
  font-size: 16px;
  color: var(--c-white);
  line-height: 1.4;
}

.page-products .nav-guide__item-body span {
  font-size: 14px;
  color: var(--app-muted);
  line-height: 1.55;
}

/* ===== 下载入口 ===== */
.page-products .download-area {
  padding: 72px 0 64px;
  background: var(--app-deep);
}

.page-products .download-area .section-head {
  margin-bottom: 36px;
}

.page-products .download-area__grid {
  display: grid;
  gap: 20px;
}

.page-products .store-card {
  position: relative;
  padding: 32px 28px;
  background: linear-gradient(135deg, rgba(255, 107, 0, 0.16) 0%, rgba(16, 36, 64, 0.92) 55%);
  border: 1px solid rgba(255, 107, 0, 0.42);
  border-radius: 14px;
  overflow: hidden;
}

.page-products .store-card::before {
  content: "";
  position: absolute;
  right: -30px;
  top: -30px;
  width: 120px;
  height: 120px;
  background: radial-gradient(circle, rgba(255, 107, 0, 0.25) 0%, transparent 70%);
}

.page-products .store-card__logo {
  display: inline-block;
  font-family: var(--font-headline);
  font-size: 24px;
  font-weight: 700;
  color: var(--c-white);
  letter-spacing: 0.04em;
  padding: 6px 12px;
  background: rgba(255, 255, 255, 0.1);
  border-radius: 6px;
  margin-bottom: 16px;
}

.page-products .store-card h3 {
  font-family: var(--font-headline);
  font-size: 28px;
  color: var(--c-white);
  margin-bottom: 10px;
  letter-spacing: 0.03em;
}

.page-products .store-card p {
  margin-bottom: 22px;
  color: var(--c-text-on-dark);
  font-size: 15px;
  line-height: 1.65;
  max-width: 26em;
}

.page-products .store-card__btn {
  min-width: 150px;
  cursor: pointer;
}

.page-products .qr-card {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 14px;
  padding: 28px 20px;
  background: var(--app-card);
  border: 1px solid var(--app-line);
  border-radius: 8px;
  text-align: center;
}

.page-products .qr-card__img {
  width: 140px;
  height: 140px;
  object-fit: cover;
  border-radius: 8px;
  background: var(--c-white);
  padding: 8px;
}

.page-products .qr-card p {
  margin: 0;
  font-size: 14px;
  color: var(--app-silver);
}

.page-products .download-area__steps {
  padding: 10px 2px;
}

.page-products .download-area__steps h3 {
  font-family: var(--font-headline);
  font-size: 22px;
  color: var(--c-white);
  margin-bottom: 18px;
  letter-spacing: 0.04em;
}

.page-products .install-steps {
  display: grid;
  gap: 14px;
  margin: 0 0 24px;
  padding: 0;
  list-style: none;
}

.page-products .install-steps__item {
  display: flex;
  align-items: center;
  gap: 12px;
  font-size: 15px;
  color: var(--c-text-on-dark);
  line-height: 1.5;
}

.page-products .install-steps__num {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
  width: 30px;
  height: 30px;
  border-radius: 50%;
  background: rgba(255, 107, 0, 0.2);
  color: var(--app-orange);
  font-family: var(--font-number);
  font-size: 14px;
  font-weight: 700;
}

.page-products .download-area__help {
  font-size: 14px;
  color: var(--app-muted);
}

.page-products .download-area__help a {
  color: var(--app-orange);
  text-decoration: underline;
  text-underline-offset: 3px;
}

/* ===== 版本历史 ===== */
.page-products .version-history {
  padding: 72px 0;
  background: var(--app-darker);
}

.page-products .version-history .section-head {
  margin-bottom: 36px;
}

.page-products .version-history__layout {
  display: grid;
  gap: 32px;
}

.page-products .version-history__media {
  position: relative;
}

.page-products .version-history__media::before {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(135deg, rgba(255, 107, 0, 0.25), transparent 60%);
  pointer-events: none;
  z-index: 1;
}

.page-products .version-history__img {
  display: block;
  width: 100%;
  object-fit: cover;
  clip-path: polygon(0 0, 100% 0, 100% calc(100% - 28px), calc(100% - 28px) 100%, 0 100%);
}

.page-products .version-history__table {
  overflow-x: auto;
  border: 1px solid var(--app-line);
  background: var(--app-card);
}

.page-products .version-table {
  width: 100%;
  min-width: 520px;
  border-collapse: collapse;
  font-size: 14px;
}

.page-products .version-table th,
.page-products .version-table td {
  padding: 14px 16px;
  text-align: left;
  border-bottom: 1px solid var(--app-line);
  color: var(--c-text-on-dark);
  line-height: 1.5;
}

.page-products .version-table thead th {
  background: rgba(255, 255, 255, 0.06);
  font-family: var(--font-headline);
  font-size: 15px;
  color: var(--c-white);
  white-space: nowrap;
  letter-spacing: 0.03em;
}

.page-products .version-table tbody th {
  font-weight: 500;
  color: var(--app-silver);
}

.page-products .version-table tbody tr:last-child th,
.page-products .version-table tbody tr:last-child td {
  border-bottom: none;
}

.page-products .version-table strong {
  color: var(--app-orange);
}

.page-products .version-yes {
  display: inline-block;
  padding: 2px 10px;
  border-radius: 20px;
  background: rgba(255, 107, 0, 0.14);
  color: var(--app-orange);
  font-size: 13px;
  font-weight: 500;
}

.page-products .version-history__note {
  margin-top: 28px;
  padding-left: 18px;
  border-left: 3px solid var(--app-orange);
  color: var(--app-muted);
  font-size: 14px;
  line-height: 1.6;
}

/* ===== 数据能力 ===== */
.page-products .data-engine {
  padding: 72px 0;
  background: var(--app-deep);
  position: relative;
  overflow: hidden;
}

.page-products .data-engine::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 1px;
  background: linear-gradient(90deg, transparent, rgba(255, 107, 0, 0.7), transparent);
}

.page-products .data-engine .section-head {
  margin-bottom: 36px;
}

.page-products .data-engine__band {
  display: flex;
  flex-wrap: wrap;
  gap: 14px;
  margin-bottom: 44px;
}

.page-products .data-engine__metric {
  flex: 1 1 130px;
  padding: 22px 16px;
  background: var(--app-card);
  border: 1px solid var(--app-line);
  border-radius: 6px;
  text-align: center;
  position: relative;
}

.page-products .data-engine__metric::after {
  content: "";
  position: absolute;
  bottom: 0;
  left: 0;
  width: 46px;
  height: 3px;
  background: var(--app-orange);
}

.page-products .data-engine__num {
  display: block;
  font-family: var(--font-number);
  font-size: 30px;
  font-weight: 700;
  color: var(--c-white);
  line-height: 1.2;
  margin-bottom: 6px;
}

.page-products .data-engine__label {
  font-size: 13px;
  color: var(--app-muted);
}

.page-products .data-engine__shell {
  display: grid;
  gap: 32px;
  align-items: center;
}

.page-products .data-engine__speed {
  padding: 26px 24px;
  background: linear-gradient(120deg, rgba(255, 255, 255, 0.07) 0%, rgba(16, 36, 64, 0.92) 60%);
  border-radius: 10px;
  border-left: 3px solid var(--app-orange);
}

.page-products .data-engine__speed h3 {
  font-family: var(--font-headline);
  font-size: 24px;
  color: var(--c-white);
  margin-bottom: 10px;
  letter-spacing: 0.02em;
}

.page-products .data-engine__speed p {
  color: var(--c-text-on-dark);
  font-size: 15px;
  line-height: 1.65;
  margin-bottom: 22px;
}

.page-products .speed-bar {
  display: grid;
  grid-template-columns: 72px 1fr;
  align-items: center;
  gap: 12px;
  margin-bottom: 12px;
}

.page-products .speed-bar__label {
  font-size: 13px;
  color: var(--app-silver);
  text-align: right;
}

.page-products .speed-bar__fill {
  position: relative;
  display: block;
  height: 32px;
  background: rgba(255, 255, 255, 0.08);
  border-radius: 4px;
  overflow: hidden;
}

.page-products .speed-bar__fill strong {
  position: relative;
  display: inline-flex;
  align-items: center;
  height: 100%;
  padding-left: 12px;
  font-family: var(--font-number);
  font-size: 13px;
  color: var(--app-darker);
  z-index: 1;
}

.page-products .speed-bar--apple .speed-bar__fill {
  width: 62%;
  background: var(--app-orange);
}

.page-products .speed-bar--normal .speed-bar__fill {
  width: 88%;
  background: var(--app-silver);
}

.page-products .speed-bar--normal .speed-bar__fill strong {
  color: var(--app-deep);
}

.page-products .data-engine__visual img {
  display: block;
  width: 100%;
  object-fit: cover;
  border: 1px solid var(--app-line);
  border-radius: 10px;
}

/* ===== 老用户 CTA ===== */
.page-products .legacy-cta {
  background: var(--app-darker);
  border-top: 1px solid var(--app-line);
}

.page-products .legacy-cta__inner {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  padding-top: 40px;
  padding-bottom: 40px;
}

.page-products .legacy-cta__text h2 {
  font-family: var(--font-headline);
  font-size: 24px;
  color: var(--c-white);
  margin-bottom: 8px;
  letter-spacing: 0.03em;
}

.page-products .legacy-cta__text p {
  margin: 0;
  color: var(--app-muted);
  font-size: 15px;
  line-height: 1.6;
  max-width: 34em;
}

.page-products .legacy-cta__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 14px;
}

/* ===== 响应式增强 ===== */
@media (min-width: 640px) {
  .page-products .feature-strip__track {
    padding-left: max(24px, calc((100vw - var(--content-max)) / 2));
    padding-right: 24px;
  }

  .page-products .download-area__grid {
    grid-template-columns: 1fr 1fr;
  }

  .page-products .download-area__steps {
    grid-column: 1 / -1;
    padding-left: 8px;
  }

  .page-products .data-engine__band {
    flex-wrap: nowrap;
  }
}

@media (min-width: 768px) {
  .page-products .app-cover {
    padding-bottom: 80px;
  }

  .page-products .app-cover__inner {
    grid-template-columns: 1.5fr 1fr;
    gap: 56px;
    align-items: center;
  }

  .page-products .app-cover__title {
    font-size: 64px;
  }

  .page-products .app-cover__lead {
    font-size: 17px;
  }

  .page-products .app-cover__visual {
    order: 2;
  }

  .page-products .feature-strip__track {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    overflow: visible;
    padding-left: max(24px, calc((100vw - var(--content-max)) / 2));
    padding-right: max(24px, calc((100vw - var(--content-max)) / 2));
  }

  .page-products .feature-strip__card {
    flex: none;
  }

  .page-products .nav-guide__grid {
    grid-template-columns: 1.2fr 0.8fr;
    gap: 64px;
    align-items: start;
  }

  .page-products .nav-guide__right {
    position: sticky;
    top: calc(var(--header-h) + 24px);
  }

  .page-products .version-history__layout {
    grid-template-columns: 1fr 1fr;
    align-items: center;
    gap: 44px;
  }

  .page-products .version-history__media::before {
    clip-path: polygon(0 0, 100% 0, 100% calc(100% - 28px), calc(100% - 28px) 100%, 0 100%);
  }

  .page-products .data-engine__shell {
    grid-template-columns: 1fr 1fr;
    gap: 48px;
  }
}

@media (min-width: 1024px) {
  .page-products .app-cover__title {
    font-size: 80px;
  }

  .page-products .app-cover__lead {
    font-size: 18px;
  }

  .page-products .feature-strip__track {
    grid-template-columns: repeat(4, 1fr);
  }

  .page-products .feature-strip__card {
    padding: 32px 26px 38px;
  }

  .page-products .download-area__grid {
    grid-template-columns: 1.2fr 0.8fr 1fr;
    align-items: stretch;
  }

  .page-products .download-area__steps {
    grid-column: auto;
  }

  .page-products .version-history__layout {
    gap: 64px;
  }

  .page-products .legacy-cta__inner {
    padding-top: 56px;
    padding-bottom: 56px;
  }
}