.page-products {
  --page-tilt: -2deg;
  --page-tilt-rev: 2deg;
}

/* 首屏 =============================================== */
.page-products .products-hero {
  position: relative;
  overflow: hidden;
  padding-top: calc(var(--header-h) + 34px);
  padding-bottom: 72px;
}

.page-products .products-hero::before {
  content: "";
  position: absolute;
  inset: 0;
  background:
    linear-gradient(120deg, rgba(212, 175, 55, 0.14) 0%, transparent 55%),
    linear-gradient(180deg, var(--color-deep) 0%, var(--color-night) 100%);
  z-index: 0;
  pointer-events: none;
}

.page-products .products-hero::after {
  content: "";
  position: absolute;
  right: -16%;
  bottom: -24%;
  width: 68%;
  height: 72%;
  background: linear-gradient(0deg, rgba(212, 175, 55, 0.08), transparent 70%);
  transform: skewX(-14deg);
  z-index: 0;
  pointer-events: none;
}

.page-products .products-hero .container {
  position: relative;
  z-index: 1;
}

.page-products .products-hero .breadcrumb {
  margin-bottom: 42px;
}

.page-products .products-hero__grid {
  display: grid;
  gap: 52px 40px;
  align-items: center;
}

.page-products .products-hero__kicker {
  margin-bottom: 14px;
}

.page-products .products-hero__copy .page-title {
  max-width: 12ch;
}

.page-products .products-hero__copy .section-lead {
  margin-top: 18px;
  max-width: 46ch;
}

.page-products .products-hero__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 14px;
  margin-top: 30px;
}

.page-products .products-hero__stats {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin: 36px 0 0;
  padding: 0;
  list-style: none;
}

.page-products .products-hero__stats li {
  display: flex;
  flex-direction: column;
  min-width: 88px;
  padding: 14px 18px;
  background: rgba(255, 255, 255, 0.06);
  border: 1px solid rgba(184, 199, 224, 0.16);
  border-radius: var(--radius-m);
  backdrop-filter: blur(8px);
}

.page-products .products-hero__stats strong {
  font-family: var(--font-display);
  font-size: 24px;
  font-weight: 900;
  line-height: 1.1;
  color: var(--color-bright-gold);
}

.page-products .products-hero__stats span {
  margin-top: 4px;
  font-size: 12px;
  letter-spacing: 0.08em;
  color: var(--color-ice);
}

/* 手机模型 */
.page-products .products-hero__visual {
  position: relative;
  width: 100%;
  max-width: 360px;
  margin: 0 auto;
}

.page-products .phone-frame {
  position: relative;
  width: 240px;
  margin: 0 auto;
  padding: 12px;
  border-radius: 36px;
  background: linear-gradient(145deg, var(--color-night), var(--color-deep));
  border: 1px solid rgba(212, 175, 55, 0.5);
  box-shadow: 0 28px 60px rgba(8, 20, 38, 0.48);
  z-index: 2;
}

.page-products .phone-frame::after {
  content: "";
  position: absolute;
  inset: 4px;
  border-radius: 31px;
  border: 1px solid rgba(184, 199, 224, 0.1);
  pointer-events: none;
}

.page-products .phone-frame__notch {
  position: absolute;
  top: 7px;
  left: 50%;
  transform: translateX(-50%);
  width: 88px;
  height: 18px;
  background: var(--color-deep);
  border-radius: 0 0 12px 12px;
  z-index: 3;
}

.page-products .phone-frame__screen {
  display: block;
  width: 100%;
  height: min(520px, 58vh);
  border-radius: 26px;
  object-fit: cover;
  object-position: center top;
}

.page-products .products-hero__ring {
  position: absolute;
  border-radius: 50%;
  border: 1px dashed rgba(212, 175, 55, 0.32);
  z-index: 0;
}

.page-products .products-hero__ring--outer {
  top: 50%;
  left: 50%;
  width: 360px;
  height: 360px;
  transform: translate(-50%, -50%);
}

.page-products .products-hero__ring--inner {
  top: 50%;
  left: 50%;
  width: 260px;
  height: 260px;
  transform: translate(-50%, -50%);
  border-style: solid;
  border-width: 1px;
  border-color: rgba(184, 199, 224, 0.16);
}

.page-products .products-hero__tag {
  position: absolute;
  display: inline-flex;
  align-items: center;
  padding: 7px 12px;
  border-radius: 999px;
  font-size: 11px;
  font-weight: 700;
  letter-spacing: 0.08em;
  color: var(--color-bright-gold);
  background: rgba(8, 20, 38, 0.74);
  border: 1px solid rgba(212, 175, 55, 0.5);
  backdrop-filter: blur(8px);
  z-index: 3;
  white-space: nowrap;
}

.page-products .products-hero__tag--slow {
  left: 0;
  bottom: 48px;
}

.page-products .products-hero__tag--fast {
  right: 0;
  top: 56px;
}

/* 01 版本概览 ======================================= */
.page-products .products-version .chapter {
  position: relative;
}

.page-products .products-version .chapter::before {
  content: "01";
  position: absolute;
  right: 0;
  top: -18px;
  font-family: var(--font-display);
  font-size: 120px;
  font-weight: 900;
  line-height: 1;
  color: rgba(10, 31, 68, 0.05);
  pointer-events: none;
  z-index: 0;
}

.page-products .products-version__layout {
  display: grid;
  gap: 44px;
  margin-top: 44px;
}

.page-products .version-point {
  display: flex;
  gap: 18px;
  padding: 24px 0;
  border-bottom: 1px solid rgba(74, 85, 104, 0.14);
}

.page-products .version-point:first-child {
  padding-top: 0;
}

.page-products .version-point__num {
  flex-shrink: 0;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 40px;
  height: 40px;
  border-radius: 10px;
  background: var(--color-deep);
  color: var(--color-bright-gold);
  font-family: var(--font-display);
  font-size: 18px;
  font-weight: 900;
  transform: rotate(-8deg);
}

.page-products .version-point__body h3 {
  margin: 0 0 6px;
  font-size: 18px;
  font-weight: 700;
  color: var(--color-deep);
}

.page-products .version-point__body p {
  margin: 0;
  font-size: 14px;
  line-height: 1.75;
  color: var(--color-body);
}

.page-products .products-version__media {
  margin: 0;
  align-self: center;
}

.page-products .products-version__media img {
  display: block;
  width: 100%;
  height: auto;
  border-radius: var(--radius-l);
  box-shadow: var(--shadow-m);
}

.page-products .products-version__media figcaption {
  margin-top: 10px;
  font-size: 12px;
  letter-spacing: 0.04em;
  text-align: right;
  color: var(--color-body);
}

/* 02 核心功能 ======================================= */
.page-products .products-features .chapter {
  position: relative;
}

.page-products .products-features .chapter::before {
  content: "02";
  position: absolute;
  right: 0;
  top: -18px;
  font-family: var(--font-display);
  font-size: 120px;
  font-weight: 900;
  line-height: 1;
  color: rgba(184, 199, 224, 0.07);
  pointer-events: none;
  z-index: 0;
}

.page-products .products-features .section-title,
.page-products .products-download .section-title {
  color: #ffffff;
}

.page-products .products-features .section-lead,
.page-products .products-download .section-lead {
  color: var(--color-ice);
}

.page-products .products-features__strip {
  margin: 36px 0 0;
}

.page-products .products-features__strip img {
  display: block;
  width: 100%;
  height: auto;
  max-width: 640px;
  margin: 0 auto;
  border-radius: var(--radius-m);
  border: 1px solid rgba(184, 199, 224, 0.12);
}

.page-products .products-features__grid {
  display: grid;
  gap: 22px;
  margin-top: 34px;
  padding: 8px 2px;
}

.page-products .feature-card {
  position: relative;
  padding: 26px 24px;
  transition:
    transform 0.28s var(--ease),
    border-color 0.28s var(--ease),
    box-shadow 0.28s var(--ease);
}

.page-products .feature-card__icon {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 52px;
  height: 52px;
  margin-bottom: 18px;
  border-radius: 14px;
  background: rgba(212, 175, 55, 0.12);
  color: var(--color-gold);
}

.page-products .feature-card h3 {
  margin: 0 0 8px;
  font-size: 18px;
  font-weight: 700;
  color: #ffffff;
}

.page-products .feature-card p {
  margin: 0;
  font-size: 14px;
  line-height: 1.68;
  color: var(--color-ice);
}

.page-products .feature-card:hover {
  border-color: rgba(212, 175, 55, 0.55);
  box-shadow: 0 16px 38px rgba(8, 20, 38, 0.4);
}

/* 03 数据覆盖 ======================================= */
.page-products .products-coverage .chapter {
  position: relative;
}

.page-products .products-coverage .chapter::before {
  content: "03";
  position: absolute;
  right: 0;
  top: -18px;
  font-family: var(--font-display);
  font-size: 120px;
  font-weight: 900;
  line-height: 1;
  color: rgba(10, 31, 68, 0.05);
  pointer-events: none;
  z-index: 0;
}

.page-products .products-coverage__layout {
  display: grid;
  gap: 40px;
  margin-top: 44px;
  align-items: center;
}

.page-products .products-coverage__stats {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 16px;
}

.page-products .coverage-stat {
  position: relative;
  overflow: hidden;
  display: flex;
  flex-direction: column;
  justify-content: center;
  min-height: 110px;
  padding: 22px 18px 22px 22px;
  background: #ffffff;
  border: 1px solid rgba(10, 31, 68, 0.08);
  border-radius: var(--radius-m);
  box-shadow: var(--shadow-s);
}

.page-products .coverage-stat::after {
  content: "";
  position: absolute;
  left: 0;
  top: 0;
  bottom: 0;
  width: 4px;
  background: linear-gradient(180deg, var(--color-gold), var(--color-red));
}

.page-products .coverage-stat strong {
  font-family: var(--font-display);
  font-size: 32px;
  font-weight: 900;
  line-height: 1.1;
  color: var(--color-deep);
}

.page-products .coverage-stat span {
  margin-top: 6px;
  font-size: 13px;
  letter-spacing: 0.06em;
  color: var(--color-body);
}

.page-products .products-coverage__map {
  margin: 0;
}

.page-products .products-coverage__map img {
  display: block;
  width: 100%;
  height: auto;
  border-radius: var(--radius-l);
  box-shadow: var(--shadow-m);
}

.page-products .products-coverage__map figcaption {
  margin-top: 10px;
  font-size: 12px;
  letter-spacing: 0.04em;
  text-align: right;
  color: var(--color-body);
}

.page-products .products-coverage__foot {
  display: flex;
  flex-wrap: wrap;
  gap: 22px;
  align-items: center;
  justify-content: space-between;
  margin-top: 36px;
  padding: 28px;
  background: var(--color-deep);
  border-radius: var(--radius-l);
}

.page-products .products-coverage__foot p {
  margin: 0;
  max-width: 780px;
  font-size: 14px;
  line-height: 1.75;
  color: var(--color-ice);
}

/* 04 下载区 ========================================= */
.page-products .products-download .chapter {
  position: relative;
}

.page-products .products-download .chapter::before {
  content: "04";
  position: absolute;
  right: 0;
  top: -18px;
  font-family: var(--font-display);
  font-size: 120px;
  font-weight: 900;
  line-height: 1;
  color: rgba(184, 199, 224, 0.07);
  pointer-events: none;
  z-index: 0;
}

.page-products .products-download__layout {
  display: grid;
  gap: 44px;
  margin-top: 44px;
}

.page-products .products-download__qr {
  margin: 0;
  padding: 26px;
  background: linear-gradient(145deg, var(--color-night), var(--color-deep));
  border: 1px solid rgba(212, 175, 55, 0.35);
  border-radius: var(--radius-l);
  text-align: center;
}

.page-products .products-download__qr img {
  display: block;
  width: 100%;
  max-width: 260px;
  height: auto;
  margin: 0 auto;
  border-radius: var(--radius-m);
}

.page-products .products-download__qr figcaption {
  margin-top: 14px;
  font-size: 12px;
  letter-spacing: 0.04em;
  color: var(--color-ice);
}

.page-products .download-option {
  display: flex;
  gap: 18px;
  padding: 20px 0;
  border-bottom: 1px solid rgba(184, 199, 224, 0.14);
}

.page-products .download-option:first-child {
  padding-top: 0;
}

.page-products .download-option__num {
  flex-shrink: 0;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 36px;
  height: 36px;
  border-radius: 50%;
  background: var(--color-gold);
  color: var(--color-deep);
  font-family: var(--font-display);
  font-size: 15px;
  font-weight: 900;
}

.page-products .download-option h3 {
  margin: 0 0 6px;
  font-size: 17px;
  font-weight: 700;
  color: #ffffff;
}

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

/* 下载 FAQ 折叠 */
.page-products .products-download__faq {
  margin-top: 48px;
  padding: 28px;
  background: rgba(255, 255, 255, 0.04);
  border: 1px solid rgba(184, 199, 224, 0.14);
  border-radius: var(--radius-l);
}

.page-products .products-download__faq h3 {
  margin: 0 0 16px;
  font-size: 18px;
  font-weight: 700;
  color: var(--color-bright-gold);
}

.page-products .download-faq-item {
  border-bottom: 1px solid rgba(184, 199, 224, 0.12);
}

.page-products .download-faq-item:last-of-type {
  border-bottom: none;
}

.page-products .download-faq-item summary {
  position: relative;
  padding: 16px 30px 16px 0;
  list-style: none;
  font-size: 15px;
  font-weight: 600;
  color: #ffffff;
  cursor: pointer;
}

.page-products .download-faq-item summary::-webkit-details-marker {
  display: none;
}

.page-products .download-faq-item summary::after {
  content: "+";
  position: absolute;
  right: 4px;
  top: 50%;
  transform: translateY(-50%);
  font-size: 20px;
  font-weight: 400;
  color: var(--color-gold);
  transition: transform 0.22s var(--ease);
}

.page-products .download-faq-item[open] summary::after {
  transform: translateY(-50%) rotate(45deg);
}

.page-products .download-faq-item summary:focus-visible {
  outline: 2px solid var(--color-gold);
  outline-offset: 4px;
  border-radius: 4px;
}

.page-products .download-faq-item p {
  margin: 0 0 18px;
  font-size: 14px;
  line-height: 1.72;
  color: var(--color-ice);
}

.page-products .products-download__faq .btn {
  margin-top: 22px;
}

/* 信任区 ============================================ */
.page-products .products-trust__card {
  display: flex;
  flex-wrap: wrap;
  gap: 24px;
  align-items: center;
  justify-content: space-between;
  padding: clamp(26px, 5vw, 48px);
  background: linear-gradient(135deg, var(--color-mist) 0%, #ffffff 100%);
  border: 1px solid rgba(10, 31, 68, 0.1);
  border-radius: var(--radius-l);
  box-shadow: var(--shadow-m);
}

.page-products .products-trust__copy {
  max-width: 640px;
}

.page-products .products-trust__copy h2 {
  margin: 8px 0 10px;
  font-size: 28px;
  font-weight: 900;
  color: var(--color-deep);
}

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

/* 响应式增强 ======================================== */
@media (min-width: 600px) {
  .page-products .products-features__grid {
    grid-template-columns: repeat(2, 1fr);
    gap: 20px;
  }

  .page-products .products-coverage__stats {
    gap: 20px;
  }

  .page-products .products-download__qr {
    padding: 32px;
  }
}

@media (min-width: 768px) {
  .page-products .products-hero__grid {
    grid-template-columns: 1fr 0.9fr;
  }

  .page-products .products-hero__tag {
    font-size: 12px;
    padding: 8px 14px;
  }

  .page-products .products-hero__tag--slow {
    left: -16px;
    bottom: 64px;
  }

  .page-products .products-hero__tag--fast {
    right: -10px;
    top: 48px;
  }

  .page-products .products-features__grid .feature-card:nth-child(odd) {
    transform: rotate(var(--page-tilt));
  }

  .page-products .products-features__grid .feature-card:nth-child(even) {
    transform: rotate(var(--page-tilt-rev));
  }

  .page-products .feature-card:hover {
    transform: rotate(0deg) translateY(-6px);
  }
}

@media (min-width: 960px) {
  .page-products .products-version__layout {
    grid-template-columns: 1.08fr 0.92fr;
    gap: 56px;
  }

  .page-products .products-expanded__layout {
    grid-template-columns: 1.08fr 0.92fr;
    gap: 56px;
  }

  .page-products .products-coverage__layout {
    grid-template-columns: 0.92fr 1.08fr;
    gap: 52px;
  }

  .page-products .products-download__layout {
    grid-template-columns: 0.8fr 1.2fr;
    gap: 60px;
  }
}

@media (min-width: 1024px) {
  .page-products .products-features__grid {
    grid-template-columns: repeat(3, 1fr);
    gap: 24px;
  }

  .page-products .products-features__strip {
    margin-top: 44px;
  }

  .page-products .products-download__faq {
    padding: 34px;
  }
}

@media (min-width: 1200px) {
  .page-products .phone-frame {
    width: 268px;
  }

  .page-products .phone-frame__screen {
    height: min(580px, 62vh);
  }
}