.page-products {
  --pp-deep-blue: #0A1B2E;
  --pp-navy: #071524;
  --pp-light-navy: #0D2438;
  --pp-line: #E5E7EB;
  --pp-ink: #1F2937;
}

/* ========== 封面深蓝海报区 ========== */
.page-products .pp-cover {
  position: relative;
  background: linear-gradient(155deg, #0A1B2E 0%, #071524 55%, #0D2438 100%);
  color: #FFFFFF;
  padding: 48px 0 72px;
  overflow: hidden;
}

.page-products .pp-cover::before {
  content: "";
  position: absolute;
  top: 0;
  right: 0;
  width: 240px;
  height: 240px;
  border-top: 2px solid rgba(201, 163, 106, 0.26);
  border-right: 2px solid rgba(201, 163, 106, 0.26);
  transform: skewX(-12deg) translate(60px, -60px);
}

.page-products .pp-cover::after {
  content: "";
  position: absolute;
  bottom: 0;
  left: 0;
  width: 180px;
  height: 180px;
  border-bottom: 2px solid rgba(201, 163, 106, 0.20);
  border-left: 2px solid rgba(201, 163, 106, 0.20);
  transform: skewX(-8deg) translate(-40px, 40px);
}

.page-products .pp-cover__inner {
  position: relative;
  z-index: 1;
}

.page-products .pp-cover__header {
  text-align: center;
  margin-bottom: 48px;
}

.page-products .pp-cover__eyebrow {
  display: inline-block;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: #C9A36A;
  border: 1px solid rgba(201, 163, 106, 0.55);
  padding: 7px 16px;
  transform: skewX(-8deg);
  margin-bottom: 20px;
}

.page-products .pp-cover__header h1 {
  font-family: var(--font-display);
  font-size: 26px;
  line-height: 1.35;
  margin: 0 0 16px;
  color: #FFFFFF;
  font-weight: 700;
}

.page-products .pp-cover__sep {
  color: #C9A36A;
  font-style: normal;
}

.page-products .pp-cover__lead {
  color: rgba(255, 255, 255, 0.78);
  font-size: 15px;
  line-height: 1.8;
  max-width: 640px;
  margin: 0 auto;
}

/* 封面三栏布局 */
.page-products .pp-cover__board {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 28px;
}

.page-products .pp-cover__device {
  order: 1;
  width: 220px;
  margin: 0;
  flex: 0 0 auto;
}

.page-products .pp-cover__device img {
  display: block;
  width: 100%;
  height: auto;
  border-radius: 24px;
  border: 3px solid #C9A36A;
  box-shadow: 0 24px 64px rgba(0, 0, 0, 0.48);
}

.page-products .pp-cover__panel {
  order: 2;
  background: #FFFFFF;
  color: #1F2937;
  width: 100%;
  max-width: 340px;
  padding: 24px 26px;
  clip-path: polygon(0 0, calc(100% - 20px) 0, 100% 20px, 100% 100%, 20px 100%, 0 calc(100% - 20px));
  box-shadow: 0 16px 48px rgba(0, 0, 0, 0.28);
  transition: transform 0.25s ease, box-shadow 0.25s ease;
}

.page-products .pp-cover__panel--steps {
  order: 3;
}

.page-products .pp-cover__panel:hover {
  transform: translateY(-3px);
  box-shadow: 0 20px 56px rgba(0, 0, 0, 0.32);
}

.page-products .pp-cover__label {
  display: block;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: #8C6B3F;
  border-bottom: 1px solid #E5E7EB;
  padding-bottom: 12px;
  margin-bottom: 14px;
}

.page-products .pp-cover__list {
  list-style: none;
  margin: 0;
  padding: 0;
}

.page-products .pp-cover__list li {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 9px 0;
  border-bottom: 1px dashed #E5E7EB;
  font-size: 15px;
}

.page-products .pp-cover__list li:last-child {
  border-bottom: none;
}

.page-products .pp-cover__list li::before {
  content: "";
  width: 8px;
  height: 8px;
  background: #C9A36A;
  transform: rotate(45deg);
  flex: 0 0 auto;
}

.page-products .pp-cover__steps {
  list-style: none;
  margin: 0;
  padding: 0;
}

.page-products .pp-cover__steps li {
  display: flex;
  align-items: center;
  gap: 16px;
  padding: 10px 0;
  border-bottom: 1px dashed #E5E7EB;
}

.page-products .pp-cover__steps li:last-of-type {
  border-bottom: none;
}

.page-products .pp-cover__steps li > span {
  font-family: var(--font-mono);
  font-size: 22px;
  font-weight: 700;
  color: #C9A36A;
  min-width: 34px;
}

.page-products .pp-cover__step-text {
  display: flex;
  flex-direction: column;
  gap: 2px;
}

.page-products .pp-cover__step-text b {
  font-size: 16px;
  font-weight: 600;
}

.page-products .pp-cover__step-text small {
  font-size: 12px;
  color: #6B7280;
}

.page-products .pp-cover__note {
  margin: 14px 0 0;
  font-family: var(--font-mono);
  font-size: 11px;
  color: #6B7280;
  border-top: 1px solid #E5E7EB;
  padding-top: 12px;
}

/* ========== 官方下载渠道 ========== */
.page-products .pp-download__grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 28px;
  margin-top: 40px;
}

.page-products .pp-download__card {
  padding: 32px;
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  text-align: left;
  transition: transform 0.25s ease, box-shadow 0.25s ease;
  position: relative;
}

.page-products .pp-download__card--dark {
  background: #0A1B2E;
  color: #FFFFFF;
  clip-path: polygon(0 0, calc(100% - 24px) 0, 100% 24px, 100% 100%, 24px 100%, 0 calc(100% - 24px));
}

.page-products .pp-download__card--dark h3 {
  color: #FFFFFF;
}

.page-products .pp-download__card--dark p {
  color: rgba(255, 255, 255, 0.75);
}

.page-products .pp-download__card--gold {
  background: #EBD9B4;
  color: #1F2937;
  align-items: center;
  text-align: center;
  clip-path: polygon(24px 0, 100% 0, 100% calc(100% - 24px), calc(100% - 24px) 100%, 0 100%, 0 24px);
}

.page-products .pp-download__card:hover {
  transform: translateY(-4px);
  box-shadow: 0 16px 40px rgba(10, 27, 46, 0.16);
}

.page-products .pp-download__icon {
  width: 120px;
  height: 120px;
  object-fit: contain;
  margin-bottom: 18px;
  border-radius: 22px;
  background: #FFFFFF;
}

.page-products .pp-download__qrcode {
  margin-bottom: 16px;
  padding: 8px;
  background: #FFFFFF;
  display: inline-block;
  transition: transform 0.3s ease;
}

.page-products .pp-download__card--gold:hover .pp-download__qrcode,
.page-products .pp-download__card--gold:focus-within .pp-download__qrcode {
  transform: scale(1.07);
}

.page-products .pp-download__qrcode img {
  display: block;
  width: 130px;
  height: 130px;
  object-fit: contain;
}

.page-products .pp-download__body h3 {
  font-family: var(--font-display);
  font-size: 20px;
  margin-bottom: 10px;
}

.page-products .pp-download__body p {
  font-size: 14px;
  line-height: 1.8;
}

/* ========== iOS 登录指引 ========== */
.page-products .pp-guide {
  background: #F2F4F7;
}

.page-products .pp-guide__intro {
  font-size: 15px;
  color: #6B7280;
  line-height: 1.8;
  margin: 24px 0 0;
}

.page-products .pp-guide__figure {
  margin: 28px 0 36px;
  width: 100%;
}

.page-products .pp-guide__figure img {
  display: block;
  width: 100%;
  height: auto;
  object-fit: cover;
  border: 1px solid #E5E7EB;
}

.page-products .pp-guide__steps {
  display: grid;
  grid-template-columns: 1fr;
  gap: 20px;
  margin: 32px 0 0;
}

.page-products .pp-guide__step {
  display: grid;
  grid-template-columns: 44px 1fr;
  gap: 20px;
  align-items: start;
  background: #FFFFFF;
  padding: 24px;
  border-left: 3px solid #C9A36A;
  transition: transform 0.2s ease, box-shadow 0.2s ease;
}

.page-products .pp-guide__step:hover,
.page-products .pp-guide__step:focus-within {
  transform: translateX(6px);
  box-shadow: 0 8px 24px rgba(10, 27, 46, 0.10);
}

.page-products .pp-guide__num {
  font-family: var(--font-mono);
  font-size: 32px;
  font-weight: 700;
  color: #C9A36A;
  line-height: 1;
  padding-top: 4px;
}

.page-products .pp-guide__step h3 {
  font-size: 18px;
  margin: 0 0 6px;
  color: #1F2937;
}

.page-products .pp-guide__step p {
  font-size: 14px;
  line-height: 1.75;
  color: #6B7280;
  margin: 0;
}

.page-products .pp-guide__footer {
  margin-top: 36px;
  display: flex;
  justify-content: center;
}

/* ========== 用户奖励面板功能 ========== */
.page-products .pp-panel__intro {
  font-size: 15px;
  color: #6B7280;
  line-height: 1.8;
  margin: 24px 0 0;
  max-width: 720px;
}

.page-products .pp-panel__layout {
  display: grid;
  grid-template-columns: 1fr;
  gap: 40px;
  align-items: center;
  margin-top: 40px;
}

.page-products .pp-panel__figure {
  margin: 0;
  max-width: 300px;
  width: 100%;
  justify-self: center;
}

.page-products .pp-panel__figure img {
  display: block;
  width: 100%;
  height: auto;
  border: 1px solid #E5E7EB;
}

.page-products .pp-panel__content {
  display: grid;
  gap: 16px;
}

.page-products .pp-panel__item {
  background: #FFFFFF;
  border-left: 4px solid #C9A36A;
  padding: 20px 24px;
  transition: background 0.2s ease, transform 0.2s ease;
}

.page-products .pp-panel__item:hover,
.page-products .pp-panel__item:focus-within {
  background: #EBD9B4;
  transform: translateX(4px);
}

.page-products .pp-panel__item h3 {
  font-size: 17px;
  margin: 0 0 8px;
  color: #1F2937;
}

.page-products .pp-panel__item p {
  font-size: 14px;
  line-height: 1.75;
  color: #6B7280;
  margin: 0;
}

/* ========== 常见问题 ========== */
.page-products .pp-faq {
  background: #071524;
  color: #FFFFFF;
}

.page-products .pp-faq .section-heading__title {
  color: #FFFFFF;
}

.page-products .pp-faq .section-heading__index {
  color: #C9A36A;
}

.page-products .pp-faq__list {
  display: grid;
  gap: 16px;
  margin: 40px 0;
}

.page-products .pp-faq__item {
  background: rgba(255, 255, 255, 0.05);
  border: 1px solid rgba(255, 255, 255, 0.12);
}

.page-products .pp-faq__item summary {
  cursor: pointer;
  padding: 18px 22px;
  font-weight: 600;
  font-size: 15px;
  list-style: none;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  color: #FFFFFF;
}

.page-products .pp-faq__item summary::-webkit-details-marker {
  display: none;
}

.page-products .pp-faq__item summary::after {
  content: "+";
  font-family: var(--font-mono);
  color: #C9A36A;
  font-size: 22px;
  flex: 0 0 auto;
  transition: transform 0.2s ease;
}

.page-products .pp-faq__item[open] summary::after {
  transform: rotate(45deg);
}

.page-products .pp-faq__body {
  padding: 0 22px 20px;
  color: rgba(255, 255, 255, 0.75);
  font-size: 14px;
  line-height: 1.75;
}

.page-products .pp-faq__more {
  margin-top: 36px;
  display: flex;
  justify-content: center;
  flex-wrap: wrap;
  gap: 12px;
}

.page-products .pp-faq__more .btn--ghost {
  border-color: rgba(255, 255, 255, 0.5);
  color: #FFFFFF;
}

/* ========== 桌面端适配 ========== */
@media (min-width: 768px) {
  .page-products .pp-cover__header h1 {
    font-size: 34px;
  }

  .page-products .pp-guide__steps {
    grid-template-columns: repeat(3, 1fr);
    gap: 24px;
  }

  .page-products .pp-guide__step {
    grid-template-columns: 1fr;
    display: flex;
    flex-direction: column;
  }

  .page-products .pp-guide__num {
    margin-bottom: 12px;
  }
}

@media (min-width: 992px) {
  .page-products .pp-cover {
    padding: 64px 0 96px;
  }

  .page-products .pp-cover__header h1 {
    font-size: 40px;
  }

  .page-products .pp-cover__board {
    display: grid;
    grid-template-columns: 1fr 320px 1fr;
    align-items: center;
    gap: 40px;
  }

  .page-products .pp-cover__device {
    order: 2;
    width: 100%;
  }

  .page-products .pp-cover__panel--features {
    order: 1;
    justify-self: end;
  }

  .page-products .pp-cover__panel--steps {
    order: 3;
    justify-self: start;
  }

  .page-products .pp-download__grid {
    grid-template-columns: 1fr 0.85fr;
    gap: 40px;
    align-items: start;
  }

  .page-products .pp-download__card--dark {
    margin-top: 0;
  }

  .page-products .pp-download__card--gold {
    margin-top: 48px;
  }

  .page-products .pp-panel__layout {
    grid-template-columns: 300px 1fr;
    gap: 60px;
    justify-content: center;
  }

  .page-products .pp-panel__figure {
    justify-self: center;
    max-width: 100%;
  }
}